开源软件构建与测试

Changes of Revision 2

_service:tar_scm:qpdf.spec Changed

@@ -1,17 +1,14 @@
 Name:           qpdf
-Version:        8.4.2
-Release:        3
+Version:        11.1.0
+Release:        2
 Summary:        A command-line program to transform PDF files
 License:        (Artistic 2.0 or ASL 2.0) and MIT
 URL:            http://qpdf.sourceforge.net/
 Source0:        http://downloads.sourceforge.net/sourceforge/qpdf/qpdf-%{version}.tar.gz
 
-Patch0000:      qpdf-doc.patch
-Patch0001:      qpdf-erase-tests-with-generated-object-stream.patch
-
 BuildRequires:  gcc gcc-c++ zlib-devel libjpeg-turbo-devel pcre-devel
 BuildRequires:  perl-interpreter perl-generators perl(Digest::MD5)
-BuildRequires:  autoconf automake libtool
+BuildRequires:  cmake gnutls-devel
 
 Provides:       %{name}-libs = %{version}-%{release}
 Obsoletes:      %{name}-libs < %{version}-%{release}
@@ -40,30 +37,34 @@
 This package contains some man help and other files for %{name}.
 
 %prep
-%setup
-%patch0000 -p1
-%ifarch aarch64
-%patch0001 -p1
-%endif
-
-sed -i '1c#!/usr/bin/perl' qpdf/fix-qdf
+%setup -q
 
 %build
-autoreconf --verbose --force --install
-./autogen.sh
-
-%configure --disable-static --enable-show-failed-test-output
-
-%make_build
+export CFLAGS="${RPM_OPT_FLAGS}"
+export CXXFLAGS="${RPM_OPT_FLAGS}"
+export LDFLAGS="${RPM_LD_FLAGS}"
+
+cmake -S . -B build \
+    -DCMAKE_C_FLAGS_RELEASE:STRING=-DNDEBUG \
+    -DCMAKE_CXX_FLAGS_RELEASE:STRING=-DNDEBUG \
+    -DCMAKE_Fortran_FLAGS_RELEASE:STRING=-DNDEBUG \
+    -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
+    -DCMAKE_INSTALL_DO_STRIP:BOOL=OFF \
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+    -DBUILD_STATIC_LIBS=0 \
+    -DREQUIRE_CRYPTO_GNUTLS=1 \
+    -DUSE_IMPLICIT_CRYPTO=0 \
+    -DSHOW_FAILED_TEST_OUTPUT=1 \
+    -DINSTALL_CMAKE_PACKAGE=0
+cmake --build build
 
 %install
-%make_install
+cmake --install build --prefix %{buildroot}/usr
+rm -rf %{buildroot}/usr/lib64/cmake
+rm -rf %{buildroot}/usr/lib64/libqpdf.a
 
 %delete_la
 
-%check
-make check
-
 %post -p /sbin/ldconfig
 
 %postun -p /sbin/ldconfig
@@ -85,6 +86,12 @@
 %{_mandir}/man1/*
 
 %changelog
+* Mon Mar 06 2023 wangkai <wangkai385@h-partners.com> - 11.1.0-2
+- Add BIND_NOW,PIE,SP secure compilation options
+
+* Wed Oct 12 2022 humengfei <humengfei@tju.edu.cn> - 11.1.0-1
+- update
+
 * Sun Dec 15 2019 caodongxia <caodongxia@huawei.com> - 8.4.2-3
 - fix rpmbuild missing patches due to different arch
 
@@ -93,3 +100,4 @@
 
 * Wed Dec 11 2019 catastrowings <jianghuhao1994@163.com> - 8.2.1-2
 - openEuler init
+

_service:tar_scm:qpdf-doc.patch Deleted

@@ -1,30 +0,0 @@
-diff -up qpdf-8.2.1/manual/fix-qdf.1.in.doc qpdf-8.2.1/manual/fix-qdf.1.in
---- qpdf-8.2.1/manual/fix-qdf.1.in.doc	2018-08-18 16:56:19.000000000 +0200
-+++ qpdf-8.2.1/manual/fix-qdf.1.in	2018-09-24 14:24:26.340341484 +0200
-@@ -14,5 +14,4 @@ the same file with stream lengths, cross
- object stream offset tables regenerated.
- .PP
- For details about fix-qdf and about PDF files in QDF mode, please see
--the qpdf manual, which can be found in @docdir@/qpdf-manual.html or
--@docdir@/qpdf-manual.pdf.
-+the qpdf manual, which can be found in qpdf-doc package.
-diff -up qpdf-8.2.1/manual/qpdf.1.in.doc qpdf-8.2.1/manual/qpdf.1.in
---- qpdf-8.2.1/manual/qpdf.1.in.doc	2018-09-24 14:24:26.340341484 +0200
-+++ qpdf-8.2.1/manual/qpdf.1.in	2018-09-24 14:26:18.171462618 +0200
-@@ -16,4 +16,4 @@ useful primarily to PDF developers.
- .PP
- For a summary of qpdf's options, please run
- \fBqpdf \-\-help\fR.  A complete manual can be found in
--@docdir@/qpdf-manual.html or @docdir@/qpdf-manual.pdf.
-+qpdf-doc package.
-diff -up qpdf-8.2.1/manual/zlib-flate.1.in.doc qpdf-8.2.1/manual/zlib-flate.1.in
---- qpdf-8.2.1/manual/zlib-flate.1.in.doc	2018-08-18 16:56:19.000000000 +0200
-+++ qpdf-8.2.1/manual/zlib-flate.1.in	2018-09-24 14:24:26.340341484 +0200
-@@ -21,6 +21,6 @@ This program should not be used as a gen
- tool.  Use something like gzip(1) instead.
- .PP
- For details about qpdf, please see the qpdf manual, which can be found
--in @docdir@/qpdf-manual.html or @docdir@/qpdf-manual.pdf.
-+in qpdf-doc package.
- .SH "SEE ALSO"
- qpdf(1), gzip(1)

_service:tar_scm:qpdf-erase-tests-with-generated-object-stream.patch Deleted

@@ -1,142 +0,0 @@
-diff -up qpdf-8.1.0/examples/qtest/filter-tokens.test.erase-tests-with-generated-object-stream qpdf-8.1.0/examples/qtest/filter-tokens.test
---- qpdf-8.1.0/examples/qtest/filter-tokens.test.erase-tests-with-generated-object-stream	2018-06-26 16:25:29.028242814 +0200
-+++ qpdf-8.1.0/examples/qtest/filter-tokens.test	2018-06-26 16:27:17.456366872 +0200
-@@ -13,8 +13,4 @@ $td->runtest("filter tokens",
- 	     {$td->COMMAND => "pdf-filter-tokens in.pdf a.pdf"},
- 	     {$td->STRING => "", $td->EXIT_STATUS => 0});
- 
--$td->runtest("check output",
--	     {$td->FILE => "a.pdf"},
--	     {$td->FILE => "out.pdf"});
--
--$td->report(2);
-+$td->report(1);
-diff -up qpdf-8.1.0/examples/qtest/invert-images.test.erase-tests-with-generated-object-stream qpdf-8.1.0/examples/qtest/invert-images.test
---- qpdf-8.1.0/examples/qtest/invert-images.test.erase-tests-with-generated-object-stream	2018-06-23 13:50:11.000000000 +0200
-+++ qpdf-8.1.0/examples/qtest/invert-images.test	2018-06-26 16:25:15.832347910 +0200
-@@ -19,13 +19,13 @@ $td->runtest("double page size",
- 	      $td->EXIT_STATUS => 0},
- 	     $td->NORMALIZE_NEWLINES);
- 
--$td->runtest("check output",
--	     {$td->FILE => "a.pdf"},
--	     {$td->FILE => "out.pdf"});
-+#$td->runtest("check output",
-+#	     {$td->FILE => "a.pdf"},
-+#	     {$td->FILE => "out.pdf"});
- 
- cleanup();
- 
--$td->report(2);
-+$td->report(1);
- 
- sub cleanup
- {
-diff -up qpdf-8.1.0/examples/qtest/set-form-values.test.erase-tests-with-generated-object-stream qpdf-8.1.0/examples/qtest/set-form-values.test
---- qpdf-8.1.0/examples/qtest/set-form-values.test.erase-tests-with-generated-object-stream	2018-06-26 16:25:24.971275053 +0200
-+++ qpdf-8.1.0/examples/qtest/set-form-values.test	2018-06-26 16:27:26.641291590 +0200
-@@ -14,13 +14,10 @@ cleanup();
- $td->runtest("set form values",
- 	     {$td->COMMAND => "pdf-set-form-values form-in.pdf a.pdf soup"},
- 	     {$td->STRING => "", $td->EXIT_STATUS => 0});
--$td->runtest("compare files",
--	     {$td->FILE => "a.pdf"},
--	     {$td->FILE => "form-out.pdf"});
- 
- cleanup();
- 
--$td->report(2);
-+$td->report(1);
- 
- sub cleanup
- {
-diff -up qpdf-8.1.0/libqpdf/qpdf-c.cc.erase-tests-with-generated-object-stream qpdf-8.1.0/libqpdf/qpdf-c.cc
---- qpdf-8.1.0/libqpdf/qpdf-c.cc.erase-tests-with-generated-object-stream	2018-06-23 13:50:11.000000000 +0200
-+++ qpdf-8.1.0/libqpdf/qpdf-c.cc	2018-06-26 16:25:15.832347910 +0200
-@@ -302,7 +302,6 @@ QPDF_ERROR_CODE qpdf_read_memory(qpdf_da
-     qpdf->size = size;
-     qpdf->password = password;
-     status = trap_errors(qpdf, &call_read_memory);
--    QTC::TC("qpdf", "qpdf-c called qpdf_read_memory", status);
-     return status;
- }
- 
-@@ -515,7 +514,6 @@ unsigned char const* qpdf_get_buffer(qpd
- 
- void qpdf_set_object_stream_mode(qpdf_data qpdf, qpdf_object_stream_e mode)
- {
--    QTC::TC("qpdf", "qpdf-c called qpdf_set_object_stream_mode");
-     qpdf->qpdf_writer->setObjectStreamMode(mode);
- }
- 
-diff -up qpdf-8.1.0/libqpdf/QPDFWriter.cc.erase-tests-with-generated-object-stream qpdf-8.1.0/libqpdf/QPDFWriter.cc
---- qpdf-8.1.0/libqpdf/QPDFWriter.cc.erase-tests-with-generated-object-stream	2018-06-23 13:50:11.000000000 +0200
-+++ qpdf-8.1.0/libqpdf/QPDFWriter.cc	2018-06-26 16:25:15.833347901 +0200
-@@ -3221,8 +3221,6 @@ QPDFWriter::writeLinearized()
- 	{
-             if (this->m->deterministic_id)
-             {
--                QTC::TC("qpdf", "QPDFWriter linearized deterministic ID",
--                        need_xref_stream ? 0 : 1);
-                 computeDeterministicIDData();
-                 popPipelineStack();
-                 assert(this->m->md5_pipeline == 0);
-@@ -3426,8 +3424,6 @@ QPDFWriter::writeStandard()
- 
-     if (this->m->deterministic_id)
-     {
--	QTC::TC("qpdf", "QPDFWriter standard deterministic ID",
--                this->m->object_stream_to_objects.empty() ? 0 : 1);
-         popPipelineStack();
-         assert(this->m->md5_pipeline == 0);
-     }
-diff -up qpdf-8.1.0/qpdf/qpdf.testcov.erase-tests-with-generated-object-stream qpdf-8.1.0/qpdf/qpdf.testcov
---- qpdf-8.1.0/qpdf/qpdf.testcov.erase-tests-with-generated-object-stream	2018-06-23 13:50:11.000000000 +0200
-+++ qpdf-8.1.0/qpdf/qpdf.testcov	2018-06-26 16:25:15.833347901 +0200
-@@ -126,7 +126,6 @@ qpdf-c called qpdf_get_user_password 0
- qpdf-c called qpdf_is_linearized 0
- qpdf-c called qpdf_is_encrypted 0
- qpdf-c called qpdf_init_write 3
--qpdf-c called qpdf_set_object_stream_mode 0
- qpdf-c called qpdf_set_stream_data_mode 0
- qpdf-c called qpdf_set_content_normalization 0
- qpdf-c called qpdf_set_qdf_mode 0
-@@ -180,7 +179,6 @@ QPDFObjectHandle append page contents 0
- QPDF_Stream getRawStreamData 0
- QPDF_Stream getStreamData 0
- QPDF_Stream expand filter abbreviation 0
--qpdf-c called qpdf_read_memory 0
- QPDF stream without newline 0
- QPDF stream with CR only 0
- QPDF stream with CRNL 0
-@@ -264,8 +262,6 @@ qpdf pages range omitted at end 0
- qpdf pages range omitted in middle 0
- qpdf npages 0
- QPDF already reserved object 0
--QPDFWriter standard deterministic ID 1
--QPDFWriter linearized deterministic ID 1
- QPDFWriter deterministic with no data 0
- qpdf-c called qpdf_set_deterministic_ID 0
- QPDFObjectHandle indirect with 0 objid 0
-diff -up qpdf-8.1.0/qpdf/qtest/qpdf.test.erase-tests-with-generated-object-stream qpdf-8.1.0/qpdf/qtest/qpdf.test
---- qpdf-8.1.0/qpdf/qtest/qpdf.test.erase-tests-with-generated-object-stream	2018-06-23 13:50:11.000000000 +0200
-+++ qpdf-8.1.0/qpdf/qtest/qpdf.test	2018-06-26 16:25:15.834347893 +0200
-@@ -1713,7 +1713,6 @@ my @capi = (
-     3, 'normalized content',
-     4, 'ignore xref streams',
-     5, 'linearized',
--    6, 'object streams',
-     7, 'qdf',
-     8, 'no original object ids',
-     9, 'uncompressed streams',
-@@ -1757,8 +1756,8 @@ $td->runtest("write damaged",
- show_ntests();
- # ----------
- $td->notify("--- Deterministic ID Tests ---");
--$n_tests += 11;
--foreach my $d ('nn', 'ny', 'yn', 'yy')
-+$n_tests += 7;
-+foreach my $d ('nn', 'yn')
- {
-     my $linearize = ($d =~ m/^y/);
-     my $ostream = ($d =~ m/y$/);

_service Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/.clang-format Added

@@ -0,0 +1,50 @@
+# -*- yaml -*-
+# This configuration works with clang-format-15.
+# See https://clang.llvm.org/docs/ClangFormatStyleOptions.html
+---
+Language: Cpp
+BasedOnStyle: LLVM
+AlignAfterOpenBracket: AlwaysBreak
+AlignEscapedNewlines: DontAlign
+AlignOperands: DontAlign
+AllowShortFunctionsOnASingleLine: None
+AlwaysBreakAfterReturnType: AllDefinitions
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: false
+BinPackParameters: false
+BraceWrapping:
+  AfterClass:      true
+  AfterFunction:   true
+  AfterNamespace:  true
+  AfterStruct:     true
+  AfterUnion:      true
+BreakBeforeBraces: Custom
+BreakConstructorInitializers: AfterColon
+DeriveLineEnding: false
+PackConstructorInitializers: Never
+IncludeCategories:
+  - Regex:           '^"<(qpdf)/'
+    Priority:        1
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '.*'
+    Priority:        2
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '.*'
+    Priority:        1
+    SortPriority:    0
+    CaseSensitive:   false
+IndentCaseBlocks: true
+IndentExternBlock: Indent
+IndentPPDirectives: AfterHash
+IndentWidth: 4
+InsertTrailingCommas: Wrapped
+KeepEmptyLinesAtTheStartOfBlocks: false
+NamespaceIndentation: All
+PointerAlignment: Left
+PPIndentWidth: 1
+SpaceBeforeCaseColon: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: false
+SpaceBeforeRangeBasedForLoopColon: false

_service:tar_scm:qpdf-11.1.0.tar.gz/.dir-locals.el Added

@@ -0,0 +1,39 @@
+((nil . ((indent-tabs-mode . nil)
+         (qpdf-cc-style
+          .
+          ("qpdf"
+           (c-basic-offset . 4)
+           (c-comment-only-line-offset . 0)
+           (c-offsets-alist
+            (defun-block-intro . +)
+            (block-open . 0)
+            (substatement-open . 0)
+            (statement-cont . +)
+            (case-label . 0)
+            (access-label . -2)
+            (statement-case-intro . +)
+            (statement-case-open . +)
+            (arglist-intro . +)
+            (arglist-close . 0)
+            (inline-open . 0)
+            (inlambda . 0)
+           )
+          )
+         )
+         (c-noise-macro-names
+	  . ("QPDF_DLL" "QPDF_DLL_CLASS" "QPDF_DLL_PRIVATE"))
+        )
+ )
+ (c++-mode . ((eval . (progn
+                        (add-to-list 'c-style-alist qpdf-cc-style)
+                        (c-set-style "qpdf")
+                      )
+              ))
+ )
+ (c-mode . ((eval . (progn
+                      (add-to-list 'c-style-alist qpdf-cc-style)
+                      (c-set-style "qpdf")
+                    )
+            ))
+ )
+)

_service:tar_scm:qpdf-11.1.0.tar.gz/.github Added

_service:tar_scm:qpdf-11.1.0.tar.gz/.github/workflows Added

_service:tar_scm:qpdf-11.1.0.tar.gz/.github/workflows/cifuzz.yml Added

_service:tar_scm:qpdf-11.1.0.tar.gz/.github/workflows/main.yml Added

@@ -0,0 +1,132 @@
+name: QPDF Build
+env:
+  QTEST_COLOR: 1
+on:
+  push:
+    branches:
+      - main
+      - build
+      - build/*
+    paths-ignore:
+      - 'ChangeLog'
+      - 'README*'
+      - 'TODO'
+  pull_request:
+  schedule:
+    # Building regularly with cron makes it safe for us to use
+    # *-latest with runs-on. If a new version of tools or agents comes
+    # out, we'll find out fast if our builds break on it because we
+    # have reliable testing.
+    - cron: '12 4 * * 5'
+jobs:
+  Prebuild:
+    # Run steps that are needed by the Windows build but are easier to
+    # build on Linux. Also create the documentation distribution.
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: 'Run pre-build steps'
+        run: build-scripts/prebuild
+      - name: 'Upload documentation for later build steps'
+        uses: actions/upload-artifact@v1
+        with:
+          name: doc
+          path: doc.zip
+      - name: 'Upload external libs'
+        uses: actions/upload-artifact@v1
+        with:
+          name: external-libs
+          path: external-libs-dist
+      - name: 'Upload doc distribution'
+        uses: actions/upload-artifact@v1
+        with:
+          name: distribution
+          path: distribution
+  Linux:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: 'Generate, build, and test'
+        run: build-scripts/build-linux
+      - name: Upload distribution
+        uses: actions/upload-artifact@v1
+        with:
+          name: distribution
+          path: distribution
+  Windows:
+    runs-on: windows-latest
+    needs: Prebuild
+    strategy:
+      fail-fast: false
+      max-parallel: 4
+      matrix:
+        tool: msvc, mingw
+        wordsize: 64, 32
+    steps:
+      - name: 'Disable git autocrlf'
+        shell: bash
+        run: git config --global core.autocrlf input
+      - uses: actions/checkout@v2
+      - name: 'Download documentation'
+        uses: actions/download-artifact@v2
+        with:
+          name: doc
+          path: .
+      - name: 'Download external libs'
+        uses: actions/download-artifact@v2
+        with:
+          name: external-libs
+          path: .
+      - name: 'Build, test, generate binary distributions'
+        shell: cmd
+        run: build-scripts/build-windows.bat ${{ matrix.wordsize }} ${{ matrix.tool }}
+      - name: 'Upload binary distributions'
+        uses: actions/upload-artifact@v1
+        with:
+          name: distribution
+          path: distribution
+  macOS:
+    runs-on: macos-latest
+    needs: Prebuild
+    steps:
+      - uses: actions/checkout@v2
+      - name: 'Download external libs'
+        uses: actions/download-artifact@v2
+        with:
+          name: external-libs
+          path: .
+      - name: 'Mac build and test'
+        run: build-scripts/build-mac
+  AppImage:
+    runs-on: ubuntu-latest
+    needs: Prebuild
+    steps:
+      - uses: actions/checkout@v2
+      - name: 'Build AppImage'
+        run: build-scripts/build-appimage
+      - name: 'Upload AppImage'
+        uses: actions/upload-artifact@v1
+        with:
+          name: distribution
+          path: distribution
+  Linux32:
+    runs-on: ubuntu-latest
+    needs: Prebuild
+    steps:
+      - uses: actions/checkout@v2
+      - name: 'Linux 32-bit'
+        run: build-scripts/build-linux32
+  Fuzzers:
+    runs-on: ubuntu-latest
+    needs: Prebuild
+    steps:
+      - uses: actions/checkout@v2
+      - name: 'Build Fuzzer'
+        run: build-scripts/build-fuzzer
+  Sanitizers:
+    runs-on: ubuntu-latest
+    needs: Prebuild
+    steps:
+      - uses: actions/checkout@v2
+      - name: 'Sanitizer Tests'
+        run: build-scripts/test-sanitizers

_service:tar_scm:qpdf-8.4.2.tar.gz/.gitignore -> _service:tar_scm:qpdf-11.1.0.tar.gz/.gitignore Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/.readthedocs.yaml Added

_service:tar_scm:qpdf-11.1.0.tar.gz/CMakeLists.txt Added

@@ -0,0 +1,374 @@
+# manual/installation.rst mentions the minimum cmake version.
+cmake_minimum_required(VERSION 3.16)
+
+# make_dist expects the version line to be on a line by itself after
+# the project line. When updating the version, check make_dist for all
+# the places it has to be updated.
+project(qpdf
+  VERSION 11.1.0
+  LANGUAGES C CXX)
+
+# Enable correct rpath handling for MacOSX
+cmake_policy(SET CMP0042 NEW)
+# Honor CMAKE_REQUIRED_LIBRARIES when checking for include files
+cmake_policy(SET CMP0075 NEW)
+
+# *** OPTIONS ***
+
+# Keep all options here. It's easier to see the interdependencies this
+# way than spreading them throughout the files.
+#
+# ***** Keep manual/installation.rst (_build-options) up to date. *****
+
+include(CMakeDependentOption)
+
+# CMAKE_DEPENDENT_OPTION(
+#   OPTION "Description" default-value-if-visible
+#   "when-visible" value-if-not-visible)
+
+# Don't write tests based on MAINTAINER_MODE or CI_MODE. Instead, use
+# them as the basis for dependent options.
+
+option(MAINTAINER_MODE "Set options for developing qpdf" OFF)
+CMAKE_DEPENDENT_OPTION(
+  CI_MODE "Set options for running in CI" OFF
+  "NOT MAINTAINER_MODE" OFF)
+CMAKE_DEPENDENT_OPTION(
+  WERROR "Treat compiler warnings as errors" OFF
+  "NOT MAINTAINER_MODE; NOT CI_MODE" ON)
+CMAKE_DEPENDENT_OPTION(
+  CHECK_SIZES "Compare sizes.cc with classes in public API" OFF
+  "NOT MAINTAINER_MODE" ON)
+CMAKE_DEPENDENT_OPTION(
+  GENERATE_AUTO_JOB "Automatically regenerate job files" OFF
+  "NOT MAINTAINER_MODE" ON)
+CMAKE_DEPENDENT_OPTION(
+  ENABLE_QTC "Enable QTC test coverage" OFF
+  "NOT MAINTAINER_MODE" ON)
+CMAKE_DEPENDENT_OPTION(
+  SHOW_FAILED_TEST_OUTPUT "Show qtest output on failure" OFF
+  "NOT CI_MODE" ON)
+
+# To allow building doc to be disabled in maintainer mode, handle the
+# condition manually rather than using a dependent option.
+if(MAINTAINER_MODE)
+  set(default_BUILD_DOC ON)
+else()
+  set(default_BUILD_DOC OFF)
+endif()
+option(BUILD_DOC "Build documentation" ${default_BUILD_DOC})
+# The values of BUILD_DOC_HTML and BUILD_DOC_PDF are ignored without
+# BUILD_DOC, so setting them to ON when not visible forces them to be
+# on in MAINTAINER_MODE and is harmless if BUILD_DOC is off.
+CMAKE_DEPENDENT_OPTION(
+  BUILD_DOC_HTML "Build HTML documentation"
+  ON "BUILD_DOC;NOT MAINTAINER_MODE" ON)
+CMAKE_DEPENDENT_OPTION(
+  BUILD_DOC_PDF "Build PDF documentation"
+  ON "BUILD_DOC;NOT MAINTAINER_MODE" ON)
+CMAKE_DEPENDENT_OPTION(
+  BUILD_DOC_DIST "Create distribution of manual" ON
+  "BUILD_DOC_PDF;BUILD_DOC_HTML" OFF)
+
+option(BUILD_SHARED_LIBS "Build qpdf shared libraries" ON)
+option(BUILD_STATIC_LIBS "Build qpdf static libraries" ON)
+option(QTEST_COLOR "Whether qtest's output should be in color" ON)
+option(USE_INSECURE_RANDOM "Use insecure random numbers" OFF)
+option(SKIP_OS_SECURE_RANDOM
+  "Suppress use of OS-provided secure random numbers" OFF)
+CMAKE_DEPENDENT_OPTION(
+  AVOID_WINDOWS_HANDLE "Avoid use of HANDLE in Windows" OFF
+  "WIN32" OFF)
+
+option(OSS_FUZZ "Specific build configuration for the oss-fuzz project" OFF)
+
+option(USE_IMPLICIT_CRYPTO "Enable any available external crypto provider" ON)
+CMAKE_DEPENDENT_OPTION(
+  ALLOW_CRYPTO_NATIVE "Allow native crypto as as fallback" ON
+  "USE_IMPLICIT_CRYPTO" OFF)
+CMAKE_DEPENDENT_OPTION(
+  REQUIRE_CRYPTO_NATIVE "Require native crypto provider" OFF
+  "NOT MAINTAINER_MODE; NOT CI_MODE" ON)
+option(REQUIRE_CRYPTO_OPENSSL "Require openssl crypto" OFF)
+option(REQUIRE_CRYPTO_GNUTLS "Require gnutls crypto" OFF)
+set(DEFAULT_CRYPTO CACHE STRING "")
+option(DEFAULT_CRYPTO
+  "Specify default crypto; otherwise chosen automatically" "")
+
+# INSTALL_MANUAL is not dependent on building docs. When creating some
+# distributions, we build the doc in one run, copy doc-dist in, and
+# install it elsewhere.
+option(INSTALL_MANUAL "Install documentation" OFF)
+
+option(INSTALL_PKGCONFIG "Install pkgconfig file" ON)
+option(INSTALL_CMAKE_PACKAGE "Install cmake package files" ON)
+option(INSTALL_EXAMPLES "Install example files" ON)
+
+# *** END OPTIONS ***
+
+if(NOT (BUILD_STATIC_LIBS OR BUILD_SHARED_LIBS))
+  message(
+    FATAL_ERROR "At least one of static or shared libraries must be built")
+endif()
+
+set(CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE ON)
+add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:POINTERHOLDER_TRANSITION=4>)
+
+if(ENABLE_QTC)
+  set(ENABLE_QTC_ARG)
+else()
+  add_compile_definitions(QPDF_DISABLE_QTC=1)
+  set(ENABLE_QTC_ARG --disable-tc)
+endif()
+
+enable_testing()
+set(RUN_QTEST perl ${qpdf_SOURCE_DIR}/run-qtest ${ENABLE_QTC_ARG})
+
+if(WIN32)
+  find_program(COPY_COMMAND NAMES cp copy)
+  if(COPY_COMMAND STREQUAL "COPY_COMMAND-NOTFOUND")
+    set(COPY_COMMAND "copy")
+  endif()
+else()
+  set(COPY_COMMAND "cp")
+endif()
+
+# For a long time, qpdf used libtool's version system. We are no
+# longer doing that, but to avoid potential conflict with older
+# versions, continue to have the shared library symlink point to a
+# file whose version shares minor and patch with the project version
+# and major with the SOVERSION. Starting with the transition to cmake,
+# increment SOVERSION every time we increment the project major
+# version. This works because qpdf uses semantic versioning. qpdf 10.x
+# was libqpdf28, so start from there.
+math(EXPR qpdf_SOVERSION "${PROJECT_VERSION_MAJOR} + 18")
+set(qpdf_LIBVERSION ${qpdf_SOVERSION}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH})
+
+if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
+  message(FATAL_ERROR "
+Please build with cmake in a subdirectory, e.g.
+ mkdir build
+ cmake ..
+ cmake --build .
+Please remove CMakeCache.txt and the CMakeFiles directories.")
+endif()
+
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_C_VISIBILITY_PRESET hidden)
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+if(WIN32 AND NOT SKIP_OS_SECURE_RANDOM)
+  list(APPEND CMAKE_REQUIRED_LIBRARIES Advapi32)
+endif()
+
+include(CheckCXXSourceCompiles)
+set(ATOMIC_LIBRARY)
+function(check_atomic)
+  foreach(I 0 1)
+    if(I)
+      set(CMAKE_REQUIRED_LIBRARIES atomic)
+    endif()
+    check_cxx_source_compiles(
+      "#include <atomic>
+int main() {
+    static std::atomic<unsigned long long> a{0};
+    a = a.fetch_add(1LL);
+    return 0;
+}"
+      ATOMIC_WORKED${I})
+    if(ATOMIC_WORKED0)
+      return()
+    endif()
+  endforeach()
+  if(ATOMIC_WORKED1)
+    set(ATOMIC_LIBRARY atomic PARENT_SCOPE)
+  endif()
+endfunction()
+check_atomic()
+
+set(WINDOWS_WMAIN_COMPILE "")
+set(WINDOWS_WMAIN_LINK "")
+if(WIN32)
+  function(check_wmain)
+    foreach(I 0 1)
+      if(NOT WINDOWS_WMAIN_COMPILE)
+        if(I)
+          set(CMAKE_REQUIRED_LINK_OPTIONS -municode)
+        endif()
+        check_cxx_source_compiles(
+          "#include <windows.h>
+#include <string.h>
+#include <stdio.h>
+extern \"C\"
+int wmain(int argc, wchar_t* argv)
+{
+    size_t x = wcslen(argv0);
+    return 0;
+}
+"
+          WMAIN_WORKED${I})
+      endif()
+    endforeach()
+    if(WMAIN_WORKED1 OR WMAIN_WORKED1)
+      set(WINDOWS_WMAIN_COMPILE -DWINDOWS_WMAIN PARENT_SCOPE)
+      if(WMAIN_WORKED1 AND NOT WMAIN_WORKED0)
+        set(WINDOWS_WMAIN_LINK -municode PARENT_SCOPE)
+      endif()
+    endif()
+  endfunction()
+  check_wmain()
+endif()
+
+if(MSVC)
+  list(APPEND CMAKE_REQUIRED_LINK_OPTIONS -link setargv.obj)
+  list(APPEND WINDOWS_WMAIN_LINK -link wsetargv.obj)
+endif()
+
+include(GNUInstallDirs)
+
+# Compiler flags
+#
+# **NOTE** -- each flag must have its own cache variable.
+
+include(qpdfCheckFlag)
+if(WERROR)
+  if(MSVC)
+    add_compile_options(/WX)
+  else()
+    qpdf_maybe_add_flag(C -Werror flag_werror)
+  endif()
+endif()
+
+if(MSVC)
+  # /Gy combines identical functions -- useful with C++ templates
+  add_compile_options(/Gy)
+  add_compile_options(/W3)    # warning level 3
+else()
+  qpdf_maybe_add_flag(C -Wall flag_wall)
+  qpdf_maybe_add_flag(C -Wconversion flag_conversion)
+  qpdf_maybe_add_flag(C -Wsign-conversion flag_sign-conversion)
+  qpdf_maybe_add_flag(C -Wshadow=local flag_shadow_local)
+  qpdf_maybe_add_flag(CXX -Wold-style-cast flag_old-style-cast)
+endif()
+
+# We don't include the jpeg library's include path in the PUBLIC
+# interface for libqpdf since only Pl_DCT.hh requires it. This is
+# documented. Some examples and tests use it though so we have to
+# define it. CMakeLists.txt for libqpdf sets the value for
+# JPEG_INCLUDE which can be selectively added to include paths other
+# tools.
+set(JPEG_INCLUDE)
+
+if(${CMAKE_SIZEOF_VOID_P} EQUAL 8)
+  set(WORDSIZE 64)
+else()
+  set(WORDSIZE 32)
+endif()
+if(MSVC)
+  set(CPACK_SYSTEM_NAME "msvc${WORDSIZE}")
+elseif(MINGW)
+  set(CPACK_SYSTEM_NAME "mingw${WORDSIZE}")
+endif()
+set(CPACK_RESOURCE_FILE_LICENSE "${qpdf_SOURCE_DIR}/LICENSE.txt")
+set(CPACK_PACKAGE_HOMEPAGE_URL "https://qpdf.sourceforge.io/")
+set(CPACK_NSIS_MUI_ICON "${qpdf_SOURCE_DIR}/logo/qpdf.ico")
+
+include(CPack)
+
+# Install components -- documented in _installation in
+# manual/installation.rst.
+set(COMPONENT_DEV "dev")
+set(COMPONENT_LIB "lib") # runtime library
+set(COMPONENT_CLI "cli")
+set(COMPONENT_DOC "doc")
+set(COMPONENT_EXAMPLES "examples") # example sources
+
+if(WIN32)
+  include(InstallRequiredSystemLibraries)
+endif()
+
+set(auto_job_inputs
+  # Keep in sync with SOURCES in generate_auto_job
+  generate_auto_job
+  manual/_ext/qpdf.py
+  job.yml
+  manual/cli.rst)
+
+set(auto_job_outputs
+  # Keep in sync with DESTS in generate_auto_job
+  libqpdf/qpdf/auto_job_decl.hh
+  libqpdf/qpdf/auto_job_init.hh
+  libqpdf/qpdf/auto_job_help.hh
+  libqpdf/qpdf/auto_job_schema.hh
+  libqpdf/qpdf/auto_job_json_decl.hh
+  libqpdf/qpdf/auto_job_json_init.hh)
+
+if(GENERATE_AUTO_JOB)
+  add_custom_command(
+    OUTPUT ${auto_job_outputs}
+    COMMAND ${qpdf_SOURCE_DIR}/generate_auto_job --generate
+    WORKING_DIRECTORY ${qpdf_SOURCE_DIR}
+    DEPENDS ${auto_job_inputs})
+  add_custom_target(auto_job_files ALL DEPENDS ${auto_job_outputs})
+endif()
+
+add_test(
+  NAME check-assert
+  COMMAND perl ${qpdf_SOURCE_DIR}/check_assert)
+
+# add_subdirectory order affects test order
+add_subdirectory(include)
+add_subdirectory(libqpdf)
+add_subdirectory(qpdf)
+add_subdirectory(libtests)
+add_subdirectory(examples)
+add_subdirectory(zlib-flate)
+add_subdirectory(manual)
+add_subdirectory(fuzz)
+
+# We don't need to show everything -- just the things that we really
+# need to be sure are right or that are turned on or off with complex
+# logic.
+get_property(MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+message(STATUS "")
+message(STATUS "*** Summary ***")
+message(STATUS "  qpdf version: ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
+if(MULTI_CONFIG)
+  message(STATUS "  build type: specify --config at build time")
+elseif(CMAKE_BUILD_TYPE)
+  message(STATUS "  build type: ${CMAKE_BUILD_TYPE}")
+endif()
+message(STATUS "  build shared libraries: ${BUILD_SHARED_LIBS}")
+message(STATUS "  build static libraries: ${BUILD_STATIC_LIBS}")
+message(STATUS "  build manual: ${BUILD_DOC}")
+message(STATUS "  compiler warnings are errors: ${WERROR}")
+message(STATUS "  QTC test coverage: ${ENABLE_QTC}")
+message(STATUS "  system: ${CPACK_SYSTEM_NAME}")
+message(STATUS "")
+message(STATUS "*** Options Summary ***")
+foreach(PROP
+    COMPILE_OPTIONS INTERFACE_COMPILE_OPTIONS
+    COMPILE_DEFINITIONS INTERFACE_COMPILE_DEFINITIONS
+    INCLUDE_DIRECTORIES INTERFACE_INCLUDE_DIRECTORIES
+    INTERFACE_SYSTEM_INCLUDE_DIRECTORIES
+    LINK_OPTIONS INTERFACE_LINK_OPTIONS
+    LINK_LIBRARIES INTERFACE_LINK_LIBRARIES
+    LINK_DIRECTORIES INTERFACE_LINK_DIRECTORIES)
+  get_target_property(VAL libqpdf ${PROP})
+  if(NOT (VAL STREQUAL "VAL-NOTFOUND"))
+    message(STATUS "  ${PROP}: ${VAL}")
+  endif()
+endforeach()
+if(APPLE)
+  message(STATUS "  CMAKE_OSX_SYSROOT: ${CMAKE_OSX_SYSROOT}")
+endif()
+message(STATUS "")
+message(STATUS "See above for crypto summary.")
+message(STATUS "")
+if(NOT (MULTI_CONFIG OR CMAKE_BUILD_TYPE))
+  message(WARNING "  CMAKE_BUILD_TYPE is not set; using default settings")
+endif()

_service:tar_scm:qpdf-8.4.2.tar.gz/ChangeLog -> _service:tar_scm:qpdf-11.1.0.tar.gz/ChangeLog Changed

@@ -1,3 +1,1990 @@
+2022-09-14  Jay Berkenbilt  <ejb@ql.org>
+
+        * 11.1.0: release
+
+        * Add notes to documentation clarifying that installing the dev
+        component usually requires the lib component to also be installed.
+
+        * Set CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE ON in cmake to
+        (hopefully) solve the problem of older installed qpdf headers
+        interfering with building qpdf from source. Fixes #763.
+
+2022-09-12  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add some missing DLL exports that only affect the Windows build.
+
+        * Remove compile-time test for LL_FMT. It's unlikely that any
+        compiler new enough to build qpdf still doesn't support %lld.
+
+2022-09-10  Jay Berkenbilt  <ejb@ql.org>
+
+        * 11.0.0: release
+
+2022-09-09  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add QPDFObjectHandle::isSameObjectAs to test whether two
+        QPDFObjectHandle objects point to the same underlying object.
+
+        * Expose ability to create custom loggers and to get and set the
+        logger for QPDF and QPDFJob through the C API.
+
+2022-09-08  Jay Berkenbilt  <ejb@ql.org>
+
+        * Added new functions to the C API to support qpdf JSON:
+        qpdf_create_from_json_file, qpdf_create_from_json_data,
+        qpdf_update_from_json_file, qpdf_update_from_json_data, and
+        qpdf_write_json. Examples can be found in qpdf-ctest.c (in the
+        source tree), tests 42 through 47.
+
+        * Add QPDFObjectHandle::isDestroyed() to test whether an indirect
+        object was from a QPDF that has been destroyed.
+
+2022-09-07  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add QPDFObjectHandle::getQPDF(), which returns a reference, as
+        an alternative to QPDFObjectHandle::getOwningQPDF().
+
+2022-09-06  Jay Berkenbilt  <ejb@ql.org>
+
+        * For all bounding box methods in QPDFPageObjectHelper other than
+        MediaBox, add a parameter `copy_if_fallback`, and add comments
+        explaining in depth exactly what copy_if_shared and
+        copy_if_fallback mean. Fixes #664.
+
+        * Add new methods getArtBox and getBleedBox to
+        QPDFPageObjectHelper, completing the set of bounding box methods.
+
+        * The --show-encryption option now works even if a correct
+        password is not supplied. If you were using --show-encryption to
+        test whether you have the right password, use --requires-password
+        instead. Fixes #598.
+
+2022-09-05  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add a move constructor to Buffer, making it possible to move
+        rather than copy the internal buffer. Thanks to jbarlow83 for the
+        contribution.
+
+2022-09-02  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add new QPDF::create() factory method that returns
+        std::shared_ptr<QPDF>.
+
+        * Prevent copying/assigning to QPDF objects in the API. It has
+        never been safe to do this, but the API wasn't preventing it.
+
+2022-09-01  Jay Berkenbilt  <ejb@ql.org>
+
+        * Remove QPDFObject.hh from include/qpdf. The only reason to
+        include was to get QPDFObject::object_type_e. Instead, include
+        qpdf/Constants.h, and change `QPDFObject::ot_` to `::ot_`.
+
+        * More optimizations and cleanup from m-holger (#726, #730)
+        including major refactor of QPDF's internal representations of
+        objects. In addition to a large performance improvement, this also
+        made it possible for QPDFObjectHandle::getOwningQPDF() to return a
+        null pointer if the owning QPDF had been destroyed. (A more
+        complete solution to this problem will be introduced for qpdf 12.)
+        This work also paves the way for a future alternative to
+        QPDFObjectHandle that is more idiomatic C++ and has greater type
+        safety.
+
+2022-08-31  Jay Berkenbilt  <ejb@ql.org>
+
+        * From m-holger (#729): refactor QPDF's parser into a new
+        QPDFParser class, cleaning the code, significantly improving
+        performance.
+
+2022-08-27  Jay Berkenbilt  <ejb@ql.org>
+
+        * From m-holger: major refactoring of QPDFTokenizer to improve
+        readability and to optimize performance. This also included some
+        optimizations to some InputSource classes. Thanks for this
+        excellent contribution. Fixes #749, #442.
+
+2022-08-07  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add new build configuration option ENABLE_QTC, which is off by
+        default when not running in MAINTAINER_MODE. When this is off,
+        QTC coverage calls sprinkled throughout the qpdf source code are
+        compiled out for increased performance. See "Build Options" in the
+        manual for a discussion. Fixes #714.
+
+2022-08-06  Jay Berkenbilt  <ejb@ql.org>
+
+        * Added by m-holger: QPDF::getObject() method as a simpler form of
+        getObjectByID or getObjectByObjGen. The older methods are being
+        retained for compatibility and are not deprecated.
+
+2022-07-24  Jay Berkenbilt  <ejb@ql.org>
+
+        * include/qpdf/JSON.hh: Schema validation: allow a single item to
+        appear anywhere that the schema has an array of a single item.
+        This makes it possible to change an element of the schema from an
+        item to an array to allow the data to accept an array where a
+        single value was previously required. This change is needed to
+        allow QPDFJob JSON to start accepting multiple items where a
+        single item used to be expected without breaking backward
+        compatibility. Without this change, the earlier fix to
+        removeAttachment would be a breaking change. Also allow the schema
+        to contain a multi-element array, which means that the output has
+        to have an array of the same length in the corresponding location,
+        and each element is validated against the corresponding schema
+        element.
+
+        * QPDFObjectHandle: for the methods insertItem, appendItem,
+        eraseItem, replaceKey, and removeKey, add a corresponding
+        "AndGetNew" and/or "AndGetOld" methods. The ones that end with
+        "AndGetNew" return the newly added item. The ones that end with
+        "AndGetOld" return the old value. The AndGetNew methods make it
+        possible to create a new object, add it to an array or dictionary,
+        and get a handle to it all in one line. The AndGetOld methods make
+        it easier to retrieve an old value when removing or replacing it.
+
+        * Thanks to m-holger for doing significant cleanup of private APIs
+        and internals around QPDFObjGen and for significantly improving
+        the performance of QPDFObjGen -- See #731. This includes a few
+        user-visible changes:
+        - Addition of QPDFObjectHandle::StreamDataProvider::provideStreamData
+          overloads that take QPDFObjGen
+        - Addition of an optional argument to QPDFObjGen::unparse allowing
+          specification of a separator character, with the default
+          resulting in the old behavior
+        Examples have been updated to use improved APIs. The old
+        provideStreamData overloads will continue to be supported, so
+        updating older code to use the new interfaces is entirely at the
+        programmer's discretion.
+
+2022-06-25  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add tracking methods QPDF::everCalledGetAllPages() and
+        QPDF::everPushedInheritedAttributesToPages(). Since those methods
+        may have the side effect of creating new objects and replace
+        objects in various places in the pages tree, it's useful to be
+        able to find out whether they've ever been called.
+
+2022-06-18  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add QPDFJob::registerProgressReporter, making it possible to
+        override the progress reporter that is used when --progress (or
+        the equivalent) is configured with QPDFJob. This is
+        qpdfjob_register_progress_reporter in the C API.
+
+        * Add examples that show how to capture QPDFJob's output by
+        configuring the default logger (qpdfjob-save-attachment.cc,
+        qpdfjob-c-save-attachment.c). Fixes #691.
+
+        * Add C API for QPDFLogger -- see qpdflogger-c.h
+
+        * Add additional qpdfjob C API functions take a handle.
+
+        * Add qpdf_exit_code_e to Constants.h so that exit codes from
+        QPDFJob are accessible to the C API.
+
+        * When --progress or --verbose is combined with writing to
+        standard output, progress reporting and verbose messages go to
+        standard error. Previously it was disabled in this case.
+
+2022-06-05  Jay Berkenbilt  <ejb@ql.org>
+
+        * QPDFJob: API breaking change: QPDFJob::doIfVerbose passes a
+        Pipeline& rather than a std::ostream& to the the callback
+        function.
+
+        * Add integer types to pipeline's operator<<: short, int, long,
+        long long, unsigned short, unsigned int, unsigned long, unsigned
+        long long.
+
+2022-05-30  Jay Berkenbilt  <ejb@ql.org>
+
+        * qpdf JSON is now at version 2. New command-line arguments:
+        --json-output, --json-input, --update-from-json. New methods
+        QPDF::writeJSON, QPDF::createFromJSON, QPDF::updateFromJSON. For
+        details, see the "qpdf JSON" chapter of the manual.
+
+        * When showing encryption data in json output, when the user
+        password was recovered with by the owner password and the
+        specified password does not match the user password, reveal the
+        user password. This is not possible with 256-bit keys.
+
+        * Include additional information in --list-attachments --verbose
+        and in --json --json-key=attachments.
+
+        * Add QUtil::qpdf_time_to_iso8601 and QUtil::pdf_time_to_iso8601
+        for converting PDF/qpdf timestamps to ISO-8601 date format.
+
+2022-05-18  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add QUtil::FileCloser to the public API. This is a simple inline
+        class to help with automatic file closing.
+
+2022-05-17  Jay Berkenbilt  <ejb@ql.org>
+
+        * Allow passing *uninitialized* (not null) objects to
+        replaceStreamData as filter and/or decode_parms to leave any
+        existing values for /Filter and /DecodeParms untouched.
+
+2022-05-15  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add QUtil::is_long_long to test whether a string can be
+        converted to a long long and back without loss of information.
+
+2022-05-04  Jay Berkenbilt  <ejb@ql.org>
+
+        * JSON: add a new "blob" type that takes a function to write data
+        into. The blob is serialized as a base64-encoded representation of
+        whatever is written to the function.
+
+        * FileInputSource has new constructors that eliminate the need to
+        call setFilename or setFile in most cases.
+
+        * Enhance JSON by adding a write method that takes a Pipeline* and
+        depth, and add several helper methods to make it easier to write
+        large amounts of JSON incrementally without having to have the
+        whole thing in memory.
+
+        * json v1 output: make "pages" and "objects" consistent.
+        Previously, "objects" always reflected the objects exactly as they
+        appeared in the original file, while "pages" reflected objects
+        after repair of the pages tree. This could be misleading. Now, if
+        "pages" is specified, "objects" shows the effects of repairing the
+        page tree, and if not, it doesn't. This makes no difference for
+        correct PDF files that don't have problems in the pages tree. JSON
+        v2 will behave in a similar way.
+
+2022-05-03  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add new Pipeline class Pl_String which appends to a std::string&
+        passed to it at construction.
+
+        * Add new Pipeline class Pl_OStream, similar to Pl_StdioFile but
+        takes a std::ostream instead of a FILE*.
+
+        * Add new convenience methods to Pipeline: writeCStr and
+        writeString. Also add a limit << operator that takes C strings and
+        std::strings. Also add an overloaded version of write that takes
+        "char const*".
+
+        * API change: Pipeline::write now takes "unsigned char const *"
+        instead of "unsigned char*". Callers shouldn't have to change
+        anything, though can stop using writable strings or
+        QUtil::unsigned_char_pointer. If you have implemented your own
+        pipelines, you should change your write method to take a const
+        pointer.
+
+2022-05-01  Jay Berkenbilt  <ejb@ql.org>
+
+        * JSON: add reactors to the JSON parser, making it possible to
+        react to JSON parsing events as they occur and to block the
+        results from being stored. This makes it possible to incrementally
+        parse arbitrarily large JSON inputs.
+
+2022-04-30  Jay Berkenbilt  <ejb@ql.org>
+
+        * QPDFWriter: change encryption API calls
+          - Remove deprecated versions of setR*EncryptionParameters
+            methods from before qpdf 8.4.0
+          - Replace setR2EncryptionParameters with
+            setR2EncryptionParametersInsecure
+          - Replace setR3EncryptionParameters with
+            setR3EncryptionParametersInsecure
+          - Replace setR4EncryptionParameters with
+            setR4EncryptionParametersInsecure
+
+        * C API: change encryption API calls to match C++ interface
+          - Remove pre-8.4.0 functions:
+            - qpdf_set_r3_encryption_parameters
+            - qpdf_set_r4_encryption_parameters
+            - qpdf_set_r5_encryption_parameters
+            - qpdf_set_r6_encryption_parameters
+          - Add "_insecure" to insecure encryption triggers:
+            - Replace void qpdf_set_r2_encryption_parameters
+              with qpdf_set_r2_encryption_parameters_insecure
+            - Replace void qpdf_set_r3_encryption_parameters2
+              with qpdf_set_r3_encryption_parameters_insecure
+            - Replace void qpdf_set_r4_encryption_parameters2
+              with qpdf_set_r4_encryption_parameters_insecure
+
+        * Make attempting to write encrypted files that use RC4 (40-bit or
+        128-bit without AES) an error rather than a warning when
+        --allow-weak-crypto is not specified. Fixes #576.
+
+2022-04-24  Jay Berkenbilt  <ejb@ql.org>
+
+        * Bug fix: "removeAttachment" in the job JSON now takes an array
+        of strings instead of a string. It should have taken an array of
+        strings since the corresponding command-line argument,
+        --remove-attachment, is repeatable. Fixes #693.
+
+        * Deprecate QPDFObjectHandle::replaceOrRemoveKey -- it does and
+        always has done the same thing as replaceKey.
+
+2022-04-23  Jay Berkenbilt  <ejb@ql.org>
+
+        * Add a new QPDF::warn method that takes the parameters of
+        QPDFExc's constructor except for the filename, which is taken from
+        the QPDF object. This is a shorter way to issue warnings on behalf
+        of a QPDF object.
+
+	* Add new method QUtil::is_explicit_utf8 that tests whether a
+	string is explicitly marked as being UTF-8 encoded, as allowed by
+	the PDF 2.0 spec. Such a string starts with the bytes 0xEF 0xBB
+	0xBF, which is the UTF-8 encoding of U+FEFF.
+
+	* Add new method QUtil::get_next_utf8_codepoint as a low-level
+	helper for iterating through the UTF-8 characters in a byte
+	string.
+
+2022-04-16  Jay Berkenbilt  <ejb@ql.org>
+
+	* Breaking CLI change: the default value for --json is now
+	"latest" rather than "1". At this moment, "1" is the latest
+	version, but version "2" will be added before the release of
+	qpdf 11.
+
+	* Perform code cleanup including some source-compatible but not
+	binary compatible changes to function signatures, use of anonymous
+	namespaces, and use of "= default" and "= delete" in declarations.
+
+2022-04-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* Replace PointerHolder with std::shared_ptr through the QPDF API.
+	A backward-compatible interface is provided and enabled by default
+	with a warning that can be turned off. See "Smart Pointers" in the
+	"Design and Library Notes" section of the manual for information
+	including a detailed migration process to assist with migrating
+	code that uses the qpdf library.
+
+2022-04-03  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add automatic code formatting with clang-format. See "Code
+	Formatting" in the "Contributing to qpdf" chapter of the manual.
+
+2022-03-19  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.6.3.0cmake1: unofficial release
+
+	* Conversion of build system to cmake. This change doesn't include
+	any user-visible functional changes to the library API or CLI but
+	completely replaces the build system. Details can be found in the
+	manual in the "Building and Installing QPDF" and "Notes for
+	Packagers" sections, especially "Converting From autoconf to
+	cmake" in "Building and Installing QPDF". Highlights of the
+	changes can be found in the release notes.
+
+2022-03-08  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.6.3: release
+
+	* Use Windows 2022 github runners and therefore Visual Studio 2022
+	to create Windows distributions
+
+	* Fix DLL export issue with mingw (Windows)
+
+2022-03-07  Jay Berkenbilt  <ejb@ql.org>
+
+	* Minor internal changes to assist with building in other
+	environments: rename internal bits.icc to qpdf/bits_functions.hh
+	(not part of public API), enforce reordering of header files to
+	prevent jpeglib.h from interfering with other headers, remove an
+	unused header that was accidentally added in 10.6.0 but never
+	referenced by any code.
+
+	* Make build work and tests work when NDEBUG is defined. This
+	involved a few changes to some test files but no changes to any
+	library code.
+
+2022-02-25  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix in JSON parser: accept \/ in a string as valid input per
+	JSON spec even though we don't translate / to \/ on output.
+
+2022-02-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* Recognize PDF strings explicitly marked as UTF-8 as allowed by
+	the PDF 2.0 spec. Fixes #654.
+
+2022-02-18  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: when generating appearance streams, the font size was
+	substituted incorrectly from /DA if Tf was absent or the number
+	preceding Tf was out of range. Fixes #655.
+
+2022-02-16  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.6.2: release
+
+2022-02-15  Jay Berkenbilt  <ejb@ql.org>
+
+	* Fix asymmetrical logic between
+	QPDFObjectHandle::newUnicodeString() and
+	QPDFObjectHandle::getUTF8Val(). The asymmetrical logic didn't
+	matter before fixing the PDF Doc transcoding bugs.
+
+	* When analyzing PDF strings, recognize UTF-16LE as UTF-16. The
+	PDF spec only allows UTF-16BE, but most readers seem to allow
+	both. Fixes #649.
+
+	* Bug fix: 10.6.0 inadvertently removed an unknown/undocumented
+	CLI parsing feature, which has been restored in 10.6.2. Fixes #652.
+
+	* Don't map 0x18 through 0x1f, 0x7f, 0x9f, or 0xad as fixed points
+	when transcoding UTF-8 to PDFDoc. These code points have different
+	meanings in those two encoding systems. Fixes #650.
+
+2022-02-11  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.6.1: release
+
+	* Fix some compilation issues from use of abs without including
+	proper headers.
+
+2022-02-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.6.0: release
+
+	* Fix one more PDF doc encoding omission: 0xAD is also undefined.
+	Fixes #637.
+
+2022-02-08  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: when splitting pages with --split-pages or selecting
+	pages with --pages, set the output PDF version to the maximum of
+	all the input PDF versions. This is a fix to QPDFJob. If you are
+	creating output PDF files yourself from multiple inputs, you will
+	need to code the same thing. The new PDFVersion object, its
+	updateIfGreater() method, and the new QPDF and QPDFWriter methods
+	described below make this very easy to do. Fixes #610.
+
+	* Add new class PDFVersion for more convenient comparison of PDF
+	version numbers from the %!PDF header.
+
+	* Add QPDF::getVersionAsPDFVersion() to return the PDF version and
+	extension together as a PDFVersion object instead of a string.
+
+	* Add a QPDFWriter::setMinimumPDFVersion() that takes a PDFVersion
+	object.
+
+2022-02-06  Jay Berkenbilt  <ejb@ql.org>
+
+	* Pl_Buffer and QPDFWriter: add getBufferSharedPointer(), which
+	turns a PointerHolder<Buffer> but will return a
+	std::shared_ptr<Buffer> in qpdf 11.
+
+	* From m-holger: add getKeyIfDict(), which calls getKey for
+	dictionaries and returns null if called on null. This is for
+	easier access to optional, lower-level dictionaries.
+
+2022-02-05  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add several new accessors to QPDFObjectHandle: the bool
+	getValueAsX(X&) accessors allow an alternative way to retrieve
+	values from QPDFObjectHandle objects and can result in more
+	concise code in many situations. Thanks to m-holger for the
+	contribution.
+
+	* Add qpdf_oh_new_binary_unicode_string and
+	qpdf_oh_get_binary_utf8_value to the C API. This makes it possible
+	to handle UTF-8-encoded strings with embedded NUL characters. Thanks
+	to m-holger for the contribution.
+
+	* Add a global user-defined string literal "_qpdf" as a shorthand
+	for QPDFObjectHandle::parse, allowing you to create
+	QPDFObjectHandle objects with
+
+	QPDFObjectHandle oh = "<</Some (PDF)>>"_qpdf;
+
+	* Expose QPDF::emptyPDF to the C API as qpdf_empty_pdf()
+
+	* Add comments letting people know that the version string
+	returned by QPDF::QPDFVersion and qpdf_get_qpdf_version is static.
+
+	* Add QUtil::make_unique_cstr to return a std::unique_ptr<char>
+	as an alternative to QUtil::copy_string and
+	QUtil::make_shared_cstr.
+
+2022-02-04  Jay Berkenbilt  <ejb@ql.org>
+
+	* New preprocessor symbols QPDF_MAJOR_VERSION, QPDF_MINOR_VERSION,
+	QPDF_PATCH_VERSION as numbers and QPDF_VERSION as a string. These
+	can be used for feature testing in code. These are in qpdf/DLL.h,
+	which is included by every header that adds to the public API.
+	Since these constants are introduced in version 10.6, it's
+	important for them to be in a header that everyone already
+	includes so you don't have to try to include a header that won't
+	be there.
+
+	* PointerHolder: add a get() method and a use_count() method for
+	compatibility with std::shared_ptr. In qpdf 11, qpdf's APIs will
+	switch to using std::shared_ptr instead of PointerHolder, though
+	there will be a PointerHolder class with a backward-compatible
+	API. To ease the transition, we are adding get() now with the same
+	semantics as std::shared_ptr's get. Note that there is a
+	difference in behavior: const PointerHolder has always behaved
+	incorrectly. const PointerHolder objects only returned const
+	pointers. This is wrong. If you want a const pointer, use
+	PointerHolder<T const>. A const PointerHolder just shouldn't allow
+	its pointer to be reassigned. The new get() method behaves
+	correctly in that calling get() on a const PointerHolder to a
+	non-const pointer returns a non-const pointer. This is the way
+	regular pointers behave.
+
+2022-02-01  Jay Berkenbilt  <ejb@ql.org>
+
+	* Major refactor: all functionality from the qpdf CLI is now
+	available for library users using the QPDFJob class. See comments
+	in include/qpdf/QPDFJob.hh and a new chapter about QPDFJob in the
+	manual. QPDFJob provides fluent interfaces for setting options
+	that exactly map to command-line arguments. There are also methods
+	for initializing QPDFJob from an argv array and from a JSON
+	object.
+
+	* A light C API around basic QPDFJob functionality is in
+	include/qpdf/qpdfjob-c.h.p
+
+	* Add new functions version of QUtil::call_main_from_wmain that
+	takes a constant argv array.
+
+2022-01-31  Jay Berkenbilt  <ejb@ql.org>
+
+	* Have --json-help just output the JSON object, leaving a
+	description to --help and the manual.
+
+	* The --json flag now takes a version number as an optional
+	parameter. The default will remain version 1 for compatibility
+	until the release of qpdf 11, after which it will become "latest".
+	At this time, there's only version 1, but a version 2 may appear
+	in a future qpdf.
+
+2022-01-28  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QPDFUsage exception, which is thrown by QPDFJob to indicate
+	command-line usage or job configuration errors.
+
+2022-01-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QUtil::make_shared_cstr to return a std::shared_ptr<char>
+	instead of a char* like QUtil::copy_string
+
+	* JSON: for (qpdf-specific, not official) "schema" checking, add
+	the ability to treat missing fields as optional. Also ensure that
+	values in the schema are dictionary, array, or string.
+
+	* Add convenience methods isNameAndEquals and isDictionaryOfType
+	to QPDFObjectHandle with corresponding functions added to the C
+	API. Thanks to m-holger for the contribution.
+
+2022-01-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add JSON::parse. Now qpdf's JSON class implements a
+	general-purpose JSON parser and serializer, but there are better
+	options for general use. This is really designed for qpdf's
+	internal use and is set up to be compatible with qpdf's existing
+	API and to hook into a planned JSON-based API to the QPDFJob
+	class.
+
+	* Add isDictionary and isArray to JSON
+
+2022-01-11  Jay Berkenbilt  <ejb@ql.org>
+
+	* Major overhaul of documentation and help for the qpdf
+	command-line tool. qpdf --help is now broken into topics rather
+	than being one great wall of text, and the command-line arguments
+	are indexed in the manual. The entire text of the "Running qpdf"
+	chapter has been reviewed thoroughly. Many thanks once again to
+	M. Holger for a detailed review and editorial assistance with the
+	manual.
+
+	* Bug fix: add missing characters from PDF doc encoding.
+	Fixes #606.
+
+2021-12-29  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add method QUtil::file_can_be_opened
+
+2021-12-21  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.5.0: release
+
+	* Add documentation link to top-level README
+
+	* Discontinue inclusion of the pre-built documentation in the
+	source distribution. Consult the packaging documentation in the
+	manual for details. The file README-doc.txt is installed in the
+	doc directory by default and contains information that users will
+	need to know to find the documentation.
+
+2021-12-19  Jay Berkenbilt  <ejb@ql.org>
+
+	* C API: clarify documentation around string lengths. Add two new
+	methods: qpdf_oh_get_binary_string_value and
+	qpdf_oh_new_binary_string to make the need to handle the length
+	and data separate in more explicit in cases in which the string
+	data may contain embedded null characters.
+
+2021-12-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* C API: simplify error handling for uncaught errors (never in a
+	released version) and clarify documentation in qpdf-c.h around
+	error handling. See qpdf-c.h for details, including how to check
+	for errors and the new function qpdf_silence_errors.
+
+	* C API: expose getTypeCode and getTypeName from QPDFObjectHandle.
+	Fixes #597.
+
+	* C API: add functions for working with stream data. Search for
+	"STREAM FUNCTIONS" in qpdf-c.h. Fixes #596.
+
+	* QPDFObjectHandle object types have been moved from
+	QPDFObject::object_type_e to qpdf_object_type_e (defined in
+	Constants.h). Old values are available for backward compatibility.
+
+	* Add Pl_Buffer::getMallocBuffer() to initialize a buffer with
+	malloc in support of the C API
+
+2021-12-16  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add several functions to the C API for working with pages. C
+	wrappers around several of the "Legacy" page operations from
+	QPDFObjectHandle.hh have been added. See "PAGE FUNCTIONS" in
+	qpdf-c.h for details. Fixes #594.
+
+2021-12-12  Jay Berkenbilt  <ejb@ql.org>
+
+	* Convert documentation from docbook to reStructuredText/Sphinx.
+
+2021-12-10  Jay Berkenbilt  <ejb@ql.org>
+
+	* Handle bitstream overflow errors more gracefully. Fixes #581.
+
+	* C API: add qpdf_get_object_by_id, qpdf_make_indirect_object, and
+	qpdf_replace_object, exposing the corresponding methods in QPDF
+	and QPDFObjectHandle. Fixes #588.
+
+	* Add missing QPDF_DLL to QPDFObjectHandle::addTokenFilter so that
+	it is actually accessible as part of the public interface as
+	intended. Fixes #580.
+
+	* C API: Overhaul how errors are handle the C API's object handle
+	interfaces. Clarify documentation regarding object accessors and
+	how type errors and warnings are handled. Many cases that used to
+	crash code that used the C API can now be trapped and will be
+	written stderr if not trapped. See qpdf-c.h for details.
+
+	* C API: Add qpdf_oh_new_uninitialized to explicitly create
+	uninitialized object handles.
+
+	* Add new error code qpdf_e_object that is used for exceptions
+	(including warnings) that are caused by using QPDFObjectHandle
+	methods on object handles of the wrong type.
+
+2021-12-02  Jay Berkenbilt  <ejb@ql.org>
+
+	* C API: Add qpdf_oh_is_initialized.
+
+	* C API: Add qpdf_get_last_string_length to return the length of
+	the last string returned. This is necessary in order to fully
+	retrieve values of strings that may contain embedded null characters.
+
+	* C API: Add qpdf_oh_new_object to clone an object handle. Change
+	implemented by m-holger in #587.
+
+2021-11-16  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.4.0: release
+
+2021-11-10  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add --allow-weak-crypto option to suppress warnings about use of
+	weak cryptographic algorithms. Update documentation around this
+	issue. Fixes #358.
+
+2021-11-07  Jay Berkenbilt  <ejb@ql.org>
+
+	* Relax xref recovery logic a bit so that files whose objects are
+	either missing endobj or have endobj at other than the beginning
+	of a line can still be recovered. Fixes #573.
+
+2021-11-04  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add support for OpenSSL 3. Fixes #568.
+
+	The OpenSSL version is detected at compile-time. If you want to
+	build with OpenSSL 3 on a system that has OpenSSL 1 installed, you
+	can run configure like this (or similar to this depending on how
+	you installed openssl3):
+
+	pc_openssl_CFLAGS=-I/path/to/openssl3/include \
+	pc_openssl_LIBS='-L/path/to/openssl3/lib64 -lssl -lcrypto' \
+	./configure
+
+	where /path/to/openssl3 is wherever your OpenSSL 3 distribution is
+	installed. You may also need to set the LD_LIBRARY_PATH
+	environment variable if it's not installed in a standard location.
+
+	* Add range check in QPDFNumberTreeObjectHelper (fuzz issue 37740).
+
+	* Add QIntC::range_check_subtract to do range checking on
+	subtraction, which has different boundary conditions from
+	addition.
+
+	* Bug fix: fix crash that could occur under certain conditions
+	when using --pages with files that had form fields. Fixes #548.
+
+	* Add an extra check to the library to detect when foreign objects
+	are inserted directly (instead of using
+	<function>QPDF::copyForeignObject</function>) at the time of
+	insertion rather than when the file is written. Catching the error
+	sooner makes it much easier to locate the incorrect code.
+
+2021-11-03  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: make overlay/underlay work on a page with no resource
+	dictionary. Fixes #527.
+
+2021-11-02  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QPDF::findPage to the public API. This is primarily to help
+	improve the efficiency of code that wraps the qpdf library, such
+	as pikepdf. Fixes #516.
+
+	* zlib-flate: warn and exit with code 3 when there is corrupted
+	input data even when decompression is possible. We do this in the
+	zlib-flate CLI so that it can be more reliably used to test the
+	validity of zlib streams, but we don't warn by default in qpdf
+	itself because PDF files in the wild exist with this problem and
+	other readers appear to tolerate it. There is a PDF in the qpdf
+	test suite (form-filled-by-acrobat.pdf) that was written by a
+	version of Adobe Acrobat that exhibits this problem. Fixes #562.
+
+	* Add Pl_Flate::setWarnCallback to make it possible to be notified
+	of data errors that are recoverable but still indicate invalid
+	data.
+
+	* Improve error reporting when someone forgets the -- after
+	--pages. Fixes #555.
+
+2021-05-12  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: ensure we don't overflow any string bounds while
+	handling completion, even when we are given bogus input values.
+	Fixes #441.
+
+2021-05-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* Improve performance of preservation of object streams by
+	avoiding unnecessary traversal of objects when there are no object
+	streams.
+
+2021-05-08  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.3.2: release
+
+	* Fix problem that caused the generated manual from being included
+	in the Windows distributions. Fixes #521.
+
+	* Fix 11-year-old bug of leaving unreferenced objects in preserved
+	object streams. Fixes #520.
+
+2021-04-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* Portability fix: use tm_gmtoff rather than global timezone
+	variable if available to get timezone offset. This fixes
+	compilation on BSD and also results in a daylight saving
+	time-aware offset for Linux or other GNU systems. Fixes #515.
+
+2021-04-05  Jay Berkenbilt  <ejb@ql.org>
+
+	* When adding a page, if the page already exists, make a shallow
+	copy of the page instead of throwing an exception. This makes the
+	behavior of adding a page from the library consistent with what
+	the CLI does and also with what the library does if it starts with
+	a file that already has a duplicated page. Note that this means
+	that, in some cases, the page you pass to addPage or addPageAt
+	(either in QPDF or QPDFPageDocumentHelper) will not be the same
+	object that actually gets added. (This has actually always been
+	the case.) That means that, if you are going to do subsequent
+	modification on the page, you should retrieve it again.
+
+2021-03-11  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.3.1: release
+
+	* Bug fix: allow /DR to be direct in /AcroForm
+
+2021-03-04  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.3.0: release
+
+	* The last several changes are in support of fixing more complex
+	cases of keeping form fields working properly through page copying
+	operations. Fixes #509.
+
+	* Deprecated QPDFAcroFormDocumentHelper::copyFieldsFromForeignPage
+	-- use QPDFAcroFormDocumentHelper::fixCopiedAnnotations instead.
+	The API for dealing with annotations and form fields around
+	copying pages is extremely complex and very hard to get right. It
+	is planned for a future version of qpdf to have a higher level
+	interface for dealing with copying pages around and preserving
+	document-level constructs.
+
+	* Add QPDFAcroFormDocumentHelper::getFieldsWithQualifiedName for
+	returning a list of fields by name.
+
+	* Add QPDFAcroFormDocumentHelper::addAndRenameFormFields to add a
+	collection of fields while ensuring that, within the collection,
+	fields with the same name continue to have the same name, but that
+	they don't conflict with exiting fields in the document.
+
+	* Add QPDFAcroFormDocumentHelper::setFormFieldName for changing
+	the name of a form field in a manner that preserves
+	QPDFAcroFormDocumentHelper's cache.
+
+2021-03-03  Jay Berkenbilt  <ejb@ql.org>
+
+	* Handle /DR properly when copying form fields. This is a
+	significant rework of the form field copying from 10.2.0. It
+	ensures that when copy fields from different files, we resolve any
+	conflicting names in resources.
+
+	* Add QPDFMatrix::operator==
+
+	* Add QPDFObjectHandle::makeResourcesIndirect
+
+2021-03-02  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add an optional resource_names argument to getUniqueResourceName
+	for added efficiency.
+
+	* Add conflict detection QPDFObjectHandle::mergeResources.
+
+2021-03-01  Jay Berkenbilt  <ejb@ql.org>
+
+	* Improve code that finds unreferenced resources to ignore names
+	in the content stream that are not fonts or XObjects. This should
+	reduce the number of cases when qpdf needlessly decides not to
+	remove unreferenced resources. Hopefully it doesn't create any new
+	bugs where it removes unreferenced resources that it isn't
+	supposed to.
+
+	* Add QPDF::numWarnings() -- useful to tell whether any warnings
+	were issued by a specific bit of code.
+
+2021-02-26  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: QPDFFormFieldObjectHelper was mis-handling /DA, /Q, and
+	/DR in ways that usually didn't matter but were still wrong. /DA
+	and /Q were being found in the field hierarchy, but if not found,
+	the default values in the /AcroForm dictionary were not being
+	used. /DR was being treated as an inherited field in the field
+	dictionary, which is wrong. It is actually supposed to come from
+	the /AcroForm dictionary. We were getting away with this since
+	many popular form writers seem to copy it to the field as well,
+	even though the spec makes no mention of doing this. To support
+	this, QPDFFormFieldObjectHelper::getDefaultResources was added.
+
+2021-02-25  Jay Berkenbilt  <ejb@ql.org>
+
+	* Update StreamDataProvider examples to use copyStream() when they
+	want to get to the original stream data from the provider. Prior
+	to 10.2.0, we had to copy the stream to another QPDF, but now we
+	can just use copyStream().
+
+	* Bug fix/behavior change: when QPDF::replaceObject or
+	QPDF::swapObjects is called, existing QPDFObjectHandle instances
+	will now notice the change. This removes a long-standing source of
+	bugs and confusing behavior.
+
+2021-02-23  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.2.0: release
+
+	* The test for the input and output files being the same wasn't
+	implemented correctly for --split-pages since the specified output
+	file is really a pattern, not the actual output file.
+
+2021-02-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* From qpdf CLI, --pages and --split-pages will properly preserve
+	interactive form functionality. Fixes #340.
+
+	* Add QPDFAcroFormDocumentHelper::copyFieldsFromForeignPage to
+	copy form fields from a foreign page into the current file. (This
+	method didn't work and was deprecated in 10.3.0.)
+
+	* Add QPDFFormFieldObjectHelper::getTopLevelField to get the
+	top-level field for a given form field.
+
+	* Update pdf-overlay-page example to include copying of
+	annotations.
+
+	* Add a new version of QPDFPageObjectHelper::placeFormXObject that
+	initializes the transformation matrix that was used so you don't
+	have to call both placeFormXObject and
+	getMatrixForFormXObjectPlacement.
+
+2021-02-21  Jay Berkenbilt  <ejb@ql.org>
+
+	* From qpdf CLI, --overlay and --underlay will copy annotations
+	and form fields from overlay/underlay file. Fixes #395.
+
+	* Add QPDFPageObjectHelper::copyAnnotations, which copies
+	annotations and, if applicable, associated form fields, from one
+	page to another, possibly transforming the rectangles.
+
+	* Bug fix: --flatten-rotation now applies the required
+	transformation to annotations on the page.
+
+	* Add QPDFAcroFormDocumentHelper::transformAnnotations to apply a
+	transformation to a group of annotations.
+
+	* Add QPDFObjGen::unparse()
+
+	* Add QPDFObjectHandle::copyStream() for making a copy of a stream
+	within the same QPDF instance.
+
+	* Allow QPDFObjectHandle::newArray and
+	QPDFObjectHandle::newFromMatrix take QPDFMatrix as well as
+	QPDFObjectHandle::Matrix
+
+	* Make member variables a--f of QPDFMatrix public
+
+2021-02-20  Jay Berkenbilt  <ejb@ql.org>
+
+	* Allow --rotate=0 to clear rotation from a page.
+
+2021-02-18  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QPDFAcroFormDocumentHelper::addFormField, which adds a new
+	form field, initializing the AcroForm dictionary if needed.
+
+	* Add QPDFPageObjectHelper::getMatrixForFormXObjectPlacement,
+	which returns the transformation matrix required to map from a
+	form field's coordinate system into a specific rectangle within
+	the page.
+
+	* Add QUtil::path_basename to get last element of a path.
+
+	* Add examples/pdf-attach-file.cc to illustrate new file
+	attachment method and also new parse that takes indirect objects.
+
+2021-02-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* Allow optional numeric argument to --collate. If --collate=n is
+	given, pull n pages from the first file, n pages from the second
+	file, etc., until we run out of pages.
+
+2021-02-15  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add a version of QPDFObjectHandle::parse that takes a QPDF* as
+	context so that it can parse strings containing indirect object
+	references.
+
+2021-02-14  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add new versions of QPDFObjectHandle::replaceStreamData that
+	take std::function objects for cases when you need something
+	between a static string and a full-fledged StreamDataProvider.
+	Using this with QUtil::file_provider is a very easy way to create
+	a stream from the contents of a file.
+
+2021-02-12  Jay Berkenbilt  <ejb@ql.org>
+
+	* Move formerly internal QPDFMatrix class to the public API. This
+	class provides convenience methods for working with transformation
+	matrices.
+
+	* QUtil::double_to_string: trim trailing zeroes by default, and
+	add option to not trim trailing zeroes. This causes a syntactic
+	but semantically preserving change in output when doubles are
+	converted to strings. The library uses double_to_string in only a
+	few places. In practice, output will be different (trailing zeroes
+	removed) in code that creates form XObjects (mostly generation of
+	appearance streams for form fields as well as overlay and
+	underlay) and in the flatten rotation code that was added in qpdf
+	10.1.
+
+2021-02-10  Jay Berkenbilt  <ejb@ql.org>
+
+	* Require a C++-14 compiler.
+
+	* Detect loops when adding when reading outlines dictionary upon
+	initialization of QPDFOutlineDocumentHelper (fuzz issue 30507).
+
+	* Add "attachments" as an additional json key, and add some
+	information about attachments to the json output.
+
+	* Add new command-line arguments for operating on attachments:
+	--list-attachments, --add-attachment, --remove-attachment,
+	--copy-attachments-from. See --help and manual for details.
+
+2021-02-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add methods to QUtil for working with PDF timestamp strings:
+	pdf_time_to_qpdf_time, qpdf_time_to_pdf_time,
+	get_current_qpdf_time.
+
+2021-02-08  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add helper classes for file attachments:
+	QPDFEmbeddedFileDocumentHelper, QPDFFileSpecObjectHelper,
+	QPDFEFStreamObjectHelper. See their header files for details.
+
+2021-02-07  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add new functions QUtil::pipe_file and QUtil::file_provider for
+	sending the contents of a file through a pipeline as binary data.
+
+2021-02-04  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add new option --password-file=file for reading the decryption
+	password from a file. file may be "-" to read from standard input.
+	Fixes #499.
+
+	* By default, give an error if a user attempts to encrypt a file
+	with a 256-bit key, a non-empty user password, and an empty owner
+	password. Such files are insecure since they can be opened with no
+	password. To allow explicit creation of files like this, pass the
+	new --allow-insecure option. Thanks to github user RobK88 for a
+	detailed analysis and for reporting this issue. Fixes #501.
+
+2021-02-02  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: if a form XObject lacks a resources dictionary,
+	consider any names in that form XObject to be referenced from the
+	containing page. This is compliant with older PDF versions. Also
+	detect if any form XObjects have any unresolved names and, if so,
+	don't remove unreferenced resources from them or from the page
+	that contains them. Fixes #494.
+
+2021-01-31  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: properly handle strings if they appear in inline image
+	dictionaries while externalizing inline images.
+
+2021-01-30  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add examples/pdf-name-number-tree.cc to illustrate new
+	name/number tree API and new array/dictionary iterator API.
+
+2021-01-29  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add methods to QPDFObjectHandle that provide a C++ iterator API,
+	including C++11 range-for iteration, over arrays and dictionaries.
+	With this, you can do
+
+	for (auto i: dict_oh.ditems())
+	{
+	    // i.first is a string, i.second is a QPDFObjectHandle
+	}
+	for (auto i: array_oh.aitems())
+	{
+	    // i is a QPDFObjectHandle
+	}
+
+	* QPDFObjectHandle::is* methods to check type now return false on
+	uninitialized objects rather than crashing or throwing a logic
+	error.
+
+2021-01-24  Jay Berkenbilt  <ejb@ql.org>
+
+	* Implement remove for name and number trees as well as exposing
+	remove and insertAfter methods for iterators. With this addition,
+	qpdf now has robust read/write support for name and number trees.
+
+2021-01-23  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add an insert method to QPDFNameTreeObjectHelper and
+	QPDFNumberTreeObjectHelper.
+
+	* QPDFNameTreeObjectHelper and QPDFNumberTreeObjectHelper will
+	automatically repair broken name and number trees by default. This
+	behavior can be turned off.
+
+	* Change behavior of QPDFObjectHandle::newUnicodeString so that it
+	encodes ASCII or PDFDocEncoding if those encodings will support
+	all the characters in the string, resorting to UTF-16 only if the
+	other encodings are insufficient. This is a cleaner implementation
+	of the intention of encoding strings for use outside of contents
+	and results in fewer instances of ASCII strings being needlessly
+	encoded as UTF-16. This change may cause qpdf to generate
+	different output from the same input when form field values are
+	set using methods from QPDFFormFieldObjectHelper.
+
+2021-01-16  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add new constructors for QPDFNameTreeObjectHelper and
+	QPDFNumberTreeObjectHelper that take a QPDF object so they can
+	create indirect objects and issue warnings. The old constructors
+	are deprecated and will be removed in qpdf 11. Just pass in the
+	owning QPDF of the object handle used to initialize the helpers.
+
+	* Re-implement QPDFNameTreeObjectHelper and
+	QPDFNumberTreeObjectHelper to be much more efficient and to have
+	an iterator-based API in addition to the existing one. This makes
+	it possible to use "range-for" loops over these helpers and to
+	iterate through name and number trees without creating a map
+	containing all the keys and values, which is slow and potentially
+	consumes a lot of memory.
+
+	* Add warn() to QPDF's public API.
+
+2021-01-11  Jay Berkenbilt  <ejb@ql.org>
+
+	* Fix very old error in code that was finding attachment streams.
+	Probably this error never mattered, but the code was still not
+	exactly right.
+
+2021-01-06  Jay Berkenbilt  <ejb@ql.org>
+
+	* Give warnings instead of segfaulting if a QPDF operation is
+	attempted after calling closeInputSource(). Fixes #495.
+
+2021-01-05  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.1.0: release
+
+2021-01-04  Jay Berkenbilt  <ejb@ql.org>
+
+	* When qpdf CLI extracts pages, it now only attempts to remove
+	unreferenced resources from the pages that it is keeping. This
+	change dramatically reduces the time it takes to extract a small
+	number of pages from a large, complex file.
+
+	* Move getNext()->write() calls in some pipelines to ensure that
+	state gates properly reset even if the next pipeline's write
+	throws an exception (fuzz issue 28262).
+
+2021-01-03  Jay Berkenbilt  <ejb@ql.org>
+
+	* Don't include -o nospace with zsh completion setup so file
+	completion works normally. Fixes #473.
+
+2021-01-02  Jay Berkenbilt  <ejb@ql.org>
+
+	* Make QPDFPageObjectHelper methods pipeContents, parseContents,
+	and addContentTokenFilter work with form XObjects.
+
+	* Rename some QPDFPageObjectHelper methods and make them support
+	form XObjects as well as pages. The old names will be preserved
+	from compatibility.
+	- pipePageContents -> pipeContents
+	- parsePageContents -> parseContents
+
+	* Add QPDFObjectHandle::parseAsContents to apply ParserCallbacks
+	to a form XObject.
+
+	* QPDFPageObjectHelper::externalizeInlineImages can be called with
+	form XObjects as well as pages.
+
+	* Bug fix: QPDFPageObjectHelper::externalizeInlineImages was not
+	descending into form XObjects on a page. It now does this by
+	default. In the extremely unlikely event that anyone was actually
+	depending on the old behavior, it is available by passing
+	shallow=true to the externalizeInlineImages call.
+
+	* Bug fix: QPDFObjectHandle::filterPageContents was broken for
+	pages with an array of content streams. This caused
+	externalize-inline-images to also be broken for this case.
+
+2021-01-01  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add methods to QPDFPageObjectHelper: forEachXObject,
+	forEachImage, forEachFormXObject to call a function on each
+	XObject (or image or form XObject) in a page or form XObject,
+	possibly recursing into nested form XObjects.
+
+	* Add method QPDFPageObjectHelper::getFormXObjects to return a map
+	of keys to form XObjects (non-recursively) from a page or form
+	XObject.
+
+	* Add method QPDFObjectHandle::isImage to test whether an object
+	is an image.
+
+2020-12-31  Jay Berkenbilt  <ejb@ql.org>
+
+	* QPDFPageObjectHelper::removeUnreferencedResources can now be
+	called with a QPDFPageObjectHelper created from a form XObject.
+	The method already recursed into form XObjects.
+
+	* Rename some QPDFPageObjectHelper methods and make them support
+	form XObjects as well as pages. The old names will be preserved
+	from compatibility.
+	- getPageImages -> getImages
+	- filterPageContents -> filterContents
+
+	* Add QPDFObjectHandle::isFormXObject to test whether an object is
+	a form XObject.
+
+2020-12-30  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QPDFPageObjectHelper::flattenRotation and --flatten-rotation
+	option to the qpdf CLI. The flattenRotation method removes any
+	/Rotate key from a page dictionary and implements the same
+	rotation by modifying the page's contents such that the various
+	page boxes are altered and the page renders identically. This can
+	be used to work around buggy PDF applications that don't properly
+	handle page rotation. The --flatten-rotation option to the qpdf
+	CLI calls flattenRotation for every page.
+
+2020-12-26  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QPDFObjectHandle::setFilterOnWrite, which can be used to
+	tell QPDFWriter not to filter a stream on output even if it can.
+	You can use this to prevent QPDFWriter from touching a stream
+	(either uncompressing or compressing) that you have optimized or
+	otherwise ensured looks exactly the way you want it, even if
+	decode level or stream compression would otherwise cause
+	QPDFWriter to modify the stream.
+
+	* Add ostream << for QPDFObjGen. (Don't ask why it took 7.5 years
+	for me to decide to do this.)
+
+2020-12-25  Jay Berkenbilt  <ejb@ql.org>
+
+	* Refactor write code to eliminate an extra full traversal of
+	objects in the file and to remove assumptions that preclude stream
+	references from appearing in /DecodeParms of filterable streams.
+	This results in an approximately 8% performance reduction in write
+	times.
+
+2020-12-23  Jay Berkenbilt  <ejb@ql.org>
+
+	* Allow library users to provide their own decoders for stream
+	filters by deriving classes from QPDFStreamFilter and registering
+	them using QPDF::registerStreamFilter. Registered stream filters
+	provide code to validate and interpret /DecodeParms for a specific
+	/Filter and also to provide a pipeline that will decode. Note that
+	it is possible to encode to a filter type that is not supported
+	even without this feature. See examples/pdf-custom-filter.cc for
+	an example of using custom stream filters.
+
+2020-12-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QPDFObjectHandle::makeDirect(bool allow_streams) -- if
+	allow_streams is true, preserve indirect references to streams
+	rather than throwing an exception. This allows the object to be
+	made as direct as possible while preserving stream references.
+
+2020-12-20  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add qpdf_register_progress_reporter method to C API,
+	corresponding to QPDFWriter::registerProgressReporter. Fixes #487.
+
+2020-11-28  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add new functions to the C API for manipulating
+	QPDFObjectHandles. The new functions allow creation and
+	modification of objects, which brings a lot of additional power to
+	the C API. See include/qpdf/qpdf-c.h for details and
+	examples/pdf-c-objects.c for a simple example.
+
+2020-11-21  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.0.4: release
+
+	* Fix QIntC::range_check to handle negative numbers properly (fuzz
+	issue 26994).
+
+2020-11-11  Jay Berkenbilt  <ejb@ql.org>
+
+	* Treat a direct page object as a runtime error rather than a
+	logic error since it is actually possible to create a file that
+	has this (fuzz issue 27393).
+
+2020-11-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* Handle "." appearing in --pages not preceded by a numeric range
+	as a special case in command-line parsing code.
+
+2020-11-04  Jay Berkenbilt  <ejb@ql.org>
+
+	* Ignore the value of the offset/generation field in an xref entry
+	for a deleted object. Also attempt file recovery on lower-level
+	exceptions thrown while reading the xref table. Fixes #482.
+
+2020-10-31  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.0.3: release
+
+	* Don't enter extension initialization in QPDFWriter on a direct
+	object. Fixes stack overflow in pathological case of /Root being a
+	direct object (fuzz issue 26761).
+
+	* My previous fix to #449 (handling foreign streams with indirect
+	objects in /Filter and/or /DecodeParms) was incorrect and caused
+	other problems. There is a now a correct fix to the original
+	problem. Fixes #478.
+
+2020-10-27  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.0.2: release
+
+2020-10-25  Jay Berkenbilt  <ejb@ql.org>
+
+	* When signing distribution files, generate sha256 checksums
+	instead of md5, sha1, and sha512. sha256 seems to be more widely
+	used, and there's no reason to use md5 or sha1 anymore.
+
+	* Official Windows releases are now built using the openssl crypto
+	provider. The native provider is still available for selection at
+	runtime using the QPDF_CRYPTO_PROVIDER environment variable.
+
+	* Bug fix: --no-warn was not suppressing some warnings that might
+	be generated by --split-pages.
+
+2020-10-23  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: when concatenating content streams, insert a newline if
+	needed to prevent the last token from the old stream from being
+	merged with the first token of the new stream. Qpdf was mistakenly
+	concatenating the streams without regard to the specification that
+	content streams are to be broken on token boundaries. Fixes #444.
+
+	* fix-qdf: handle empty streams better with ignore newline by
+	treating them as empty even though, technically, a blank line
+	would be required inside the Stream. This just makes it easier to
+	add place-holder empty streams while editing qdf files by hand.
+
+2020-10-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* Fix memory leak that could occur if objects in object streams
+	were resolved more than once and the objects within the object
+	streams contained circular references. This leak could be
+	triggered when qpdf was run with --object-streams=generate on
+	files that already had object streams containing circular
+	references (fuzz issue 23642).
+
+	* Add QIntC::range_check for checking to see whether adding two
+	numbers together will cause an overflow.
+
+	* Fix loop detection problem when traversing page thumbnails
+	during optimization (fuzz issue 23172).
+
+2020-10-21  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: properly handle copying foreign streams that have
+	indirect /Filter or /DecodeParms keys when stream data has been
+	replaced. The circumstances leading to this bug are very unusual
+	but would cause qpdf to either generate an internal error or some
+	other kind of warning situation if it would occur. Fixes #449.
+
+	* Qpdf's build and CI has been migrated from Azure Pipelines
+	(Azure DevOps) to GitHub Actions.
+
+	* Remove some fuzz files that triggered Mal/PDFEx-H with some
+	virus scanners. There's plenty of coverage in the fuzz corpus
+	without these files, and it's a nuisance to have virus checkers
+	remove them. Fixes #460.
+
+	* Ensure that numeric conversion is not affected by the user's
+	global locale setting. Fixes #459.
+
+	* Add qpdf-<version>-linux-x86_64.zip to the list of built
+	distributions. This is a simple zip file that contains just the
+	qpdf executables and the dependent shared libraries that would not
+	ordinarily be present on a base system. This minimal binary
+	distribution works as is when used as a Lambda layer in AWS and
+	could be suitable for inclusion in a docker image or other
+	standalone Linux/x86_64 environment where you want minimal support
+	for running the qpdf executable. Fixes #352.
+
+2020-10-20  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add --warning-exit-0 option to the qpdf command line. When
+	specified, qpdf will exit with a status of 0 rather than 3 when
+	there are warnings without errors. Combine with --no-warn to
+	completely ignore warnings.
+
+	* Bug fix: fix further cases in which errors were written to
+	stdout. Fixes #438.
+
+	* Build option: add --disable-rpath option to ./configure, which
+	disables passing -rpath to the linker when building shared
+	libraries with libtool. Fixes #422.
+
+2020-10-16  Jay Berkenbilt  <ejb@ql.org>
+
+	* Accept pull request that improves how the Windows native crypto
+	provider is obtained.
+
+	* Accept pull request that improves performance in processing
+	files in memory.
+
+	* Accept pull requests that improve openssl configuration and
+	error reporting.
+
+	* Build using GitHub Actions. The intention is that this will
+	replace Azure Pipelines as the official CI for qpdf for the next
+	release.
+
+2020-10-15  Jay Berkenbilt  <ejb@ql.org>
+
+	* Make many minor improvements to the build process and code
+	health, including fixing a lgtm warning and compiler warnings from
+	newer version of gcc and MSVC toolchains. Add several cosmetic
+	improvements to build output in CI.
+
+	* Added LL_FMT to config.h.in. This is populated automatically by
+	autoconf, but if build with your own build system, you may need to
+	define it as whatever the format string needed by printf for long
+	long is. Usually this is "%lld", but it can be "%I64d" for some
+	older Windows-based compilers.
+
+2020-04-29  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: qpdf --check was writing errors and warnings reported
+	by checkLinearization to stdout instead of stderr. Fixes #438.
+
+2020-04-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.0.1: release
+
+2020-04-08  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: qpdf 10.0.0 introduced a bug in which
+	QPDFObjectHandle::getStreamData would return the raw data when
+	called on an unfilterable stream instead of throwing an exception
+	like it's supposed to. Fixes #425.
+
+2020-04-07  Jay Berkenbilt  <ejb@ql.org>
+
+	* Improve pdf-invert-images example to show a pattern of copying
+	streams into another QPDF object to enable a stream data provider
+	to access the original stream data.
+
+	* Fix error that caused a compilation error with clang. Fixes
+	#424.
+
+2020-04-06  Jay Berkenbilt  <ejb@ql.org>
+
+	* 10.0.0: release
+
+	* Move random number generation into the crypto providers. The old
+	os-based secure random number generation with fallback to insecure
+	random number generation (only if allowed at build time) has moved
+	into the native crypto provider. If using other providers
+	(currently gnutls or openssl), random number generation will use
+	those libraries. The old interfaces for supplying your own random
+	number generator are still in place. Fixes #418.
+
+	* Source-level incompatibility: remove QUtil::srandom. There was
+	no reason to ever call this, and it didn't do anything unless
+	insecure random number generation was compiled in, which it is not
+	by default. If you were calling this, just remove the call because
+	it wasn't doing anything anyway.
+
+	* Add openssl crypto provider, contributed by Dean Scarff. This
+	provider is implemented using OpenSSL and also works with
+	BoringSSL.
+
+2020-04-04  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add a new provideStreamData method for StreamDataProvider that
+	allows a success code to be returned and that accepts the
+	suppress_warnings and will_retry methods. This makes it possible
+	to have a StreamDataProvider call pipeStreamData and propagate its
+	results back. This change allows better error handling and
+	recovery when objects are copied from other files and when
+	"immediate copy from" is enabled.
+
+	* When copying foreign streams, the same type of recovery from
+	streams with filtering errors is performed as when dealing with
+	streams in the original input. This could happen, for example, if
+	you are using the --pages option to take pages from another file
+	and that file has errors in it.
+
+	* Add a new version of QPDFObjectHandle::pipeStreamData whose
+	return value indicates overall success or failure rather than
+	whether nor not filtering was attempted. It should have always
+	been this way. This change was done in a backward-compatible
+	fashion. Previously existing pipeStreamData methods' return values
+	mean the same as always.
+
+	* Add "objectinfo" section to json output. In this release,
+	information about whether each object is a stream or not is
+	provided. There's otherwise no way to tell conclusively from the
+	json output. Over time, other computed information about objects
+	may be added here.
+
+	* Add new option --remove-unreferenced-resources that takes auto,
+	yes, or no as options. This tells qpdf whether to attempt to
+	remove unreferenced resources from pages when doing page splitting
+	operations. Prior to this change, the default was to attempt to
+	remove unreferenced resources, but this operation was very slow,
+	especially for large and complex files. The new default is "auto",
+	which tells qpdf to analyze the file for shared resources. This is
+	a relatively quick test. If no shared resources are found, then we
+	don't attempt to remove unreferenced resources, because
+	unreferenced resources never occur in files without shared
+	resources. To force qpdf to look for and remove unreferenced
+	resources, use --remove-unreferenced-resources=yes. The option
+	--preserve-unreferenced-resources is now a synonym for
+	--remove-unreferenced-resources=no.
+
+	* Use std::atomic for unique ID generation internally within the
+	library. This eliminates the already extremely low chance of a
+	collision, improves thread safety, and removes a dependency on a
+	random number generator. Thanks to Dean Scarff for the
+	contribution.
+
+2020-04-03  Jay Berkenbilt  <ejb@ql.org>
+
+	* Allow qpdf to be built on systems without wchar_t. All "normal"
+	systems have wchar_t because it is part of the C++ standard, but
+	there are some stripped down environments that don't have it. See
+	README.md (search for wchar_t) for instructions and a discussion.
+	Fixes #406.
+
+	* Add two extra optional arguments to
+	QPDFPageObjectHelper::placeFormXObject to control whether the
+	placed item is allowed to be shrunk or expanded to fit within or
+	maximally fill the destination rectangle. Prior to this change,
+	placeFormXObject might shrink it but would never expand it.
+
+	* When calling the C API, accept any non-zero value as TRUE rather
+	than just 1. This appears to resolve issues on Windows when
+	calling some versions of the DLL directly from other languages.
+
+2020-04-02  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add method QPDFObjectHandle::unsafeShallowCopy for copying only
+	top-level dictionary keys or array items. See comments in
+	QPDFObjectHandle.hh for when this should be used.
+
+	* Remove Members class indirection for QPDFObjectHandle. Those are
+	copied and assigned too often, and that change caused a very
+	substantial performance hit.
+
+2020-03-31  Jay Berkenbilt  <ejb@ql.org>
+
+	* When detecting unreferenced images during page splitting, if any
+	XObjects are form XObjects, recursively descend into them and
+	remove any unreferenced objects from them too. Fixes #373.
+
+	* Add QPDFObjectHandle::filterAsContents, which filters a stream's
+	data as if it were page contents. This can be useful to filter
+	form XObjects the same way we would filter page contents.
+
+	* If QPDF_EXECUTABLE is set, use it as the path to qpdf for
+	purposes of completion. This variable is only read during the
+	execution of `qpdf --completion-zsh` and `qpdf
+	--completion-bash`. It is not used during the actual evaluation of
+	completions.
+
+2020-02-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* Update pdf-set-form-values.cc to use and mention
+	generateAppearance, which hadn't been added when the example was
+	originally created.
+
+	* Detect, warn, and correct the case of /Pages in the document
+	catalog incorrectly pointing to a page or intermediate node
+	instead of the root of the pages tree. Fixes #398.
+
+2020-01-26  Jay Berkenbilt  <ejb@ql.org>
+
+	* 9.1.1: release
+
+	* Bug fix: in qdf mode, do not write out any XRef streams that may
+	have appeared in the original file. These are usually
+	unreferenced, but with --preserve-unreferenced, they could be
+	written out, which breaks fix-qdf's assumption that there is at
+	most one XRef stream and that it appears at the end of the file.
+	Fixes #386.
+
+	* Bug fix: when externalizing inline images, a colorspace value
+	that was a lookup key in the page's /Resource -> /ColorSpace
+	dictionary was not properly handled. Fixes #392.
+
+	* Add "encrypt" key to the json output. This contains largely the
+	same information as given by --show-encryption but in a
+	consistent, parseable format.
+
+	* Add options --is-encrypted and --requires-password. These can be
+	used with files, including encrypted files with unknown passwords,
+	to determine whether or not a file is encrypted and whether a
+	password is required to open the file. The --requires-password
+	option can also be used to determine whether a supplied password
+	is correct. Information is supplied through exit codes, making
+	these options particularly useful for shell scripts. Fixes #390.
+
+2020-01-14  Jay Berkenbilt  <ejb@ql.org>
+
+	* Fix for Windows being unable to acquire crypt context with a new
+	keyset. Thanks to Cloudmersive for the fix. Fixes #387.
+
+	* Rewrite fix-qdf in C++. This means fix-qdf is a proper
+	executable now, and there is no longer a runtime requirement on
+	perl.
+
+	* Add QUtil::call_main_from_wmain, a helper function that can be
+	called in the body of wmain to convert UTF-16 arguments to UTF-8
+	arguments and then call another main function.
+
+2020-01-13  Jay Berkenbilt  <ejb@ql.org>
+
+	* QUtil::read_lines_from_file: add new versions that use FILE*,
+	use FILE* instead if std::ifstream internally to support correct
+	handling of Unicode filenames in Windows, and add the option to
+	preserve line endings.
+
+2019-11-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* 9.1.0: release
+
+	* This is the first version of qpdf that requires C++-11.
+
+2019-11-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* 9.1.rc1: release
+
+	* Improve behavior of wildcard expansion for msvc executable when
+	run from the Windows cmd.exe shell. Unlike in UNIX environments,
+	Windows leaves it up to the executable to expand its own
+	wildcards. Fixes #224.
+
+	* Allow :even or :odd to be appended to numeric ranges for
+	--pages, --rotate, and other options that take page ranges.
+
+	* When reading /P from the encryption dictionary, use static_cast
+	instead of QIntC to convert the value to a signed integer. The
+	value of /P is a bit field, and PDF files have been found in the
+	wild where /P is represented as an unsigned integer even though
+	the spec states that it is a signed 32-bit value. By using
+	static_cast, we allow qpdf to compensate for writers that
+	incorrectly represent the correct bit field as an unsigned value.
+	Fixes #382.
+
+2019-11-05  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add support for pluggable crypto providers, enabling multiple
+	implementations of the cryptographic functions needed by qpdf.
+	This feature was added by request of Red Hat, which recognized the
+	use of qpdf's native crypto implementations as a potential
+	security liability, preferring instead to get all crypto
+	functionality from a third-party library that receives a lot of
+	scrutiny. However it was also important to me to not impose any
+	unnecessary third party dependencies on my users or packagers,
+	some of which build qpdf for lots of environments, some of which
+	may not easily support gnutls. Starting in qpdf 9.1.0, it is be
+	possible to build qpdf with both the native and gnutls crypto
+	providers or with either in isolation. In support of this feature,
+	new classes QPDFCryptoProvider and QPDFCryptoImpl have been added
+	to the public interface. See QPDFCryptoImpl.hh for details about
+	adding your own crypto provider and QPDFCryptoProvider.hh for
+	details about choosing which one is used. Note that selection of
+	crypto providers is invisible to anyone who doesn't explicitly
+	care. Neither end users nor developers have to be concerned about
+	it.
+
+	* The environment variable QPDF_CRYPTO_PROVIDER can be used to
+	override qpdf's default choice of crypto provider. The
+	--show-crypto flag to the qpdf CLI can be used to present a list
+	of supported crypto providers with the default provider always
+	listed first.
+
+	* Add gnutls crypto provider. Thanks to Zdenek Dohnal for
+	contributing the code that I ultimately used in the gnutls crypto
+	provider and for engaging in an extended discussion about this
+	feature. Fixes #218.
+
+2019-10-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* Incorporate changes from Masamichi Hosoda <trueroad@trueroad.jp>
+	to properly handle signature in the following ways:
+	  - Always represent /Contents in a signature dictionary as a hex
+	    string
+	  - Do not compress signature dictionaries when generating object
+	    streams
+	  - Do not encrypt/decrypt the /Contents field of the signature
+	    dictionary when creating or reading encrypted files
+
+	* Incorporate changes from Masamichi Hosoda <trueroad@trueroad.jp>
+	to add additional methods for making it possible to gain deeper
+	insight into cross reference tables and object renumbering. These
+	new API calls make it possible for applications to go into PDF
+	files created by qpdf and make changes to them that go beyond
+	working with the PDF at the object level. The specific use case
+	for these changes was to write an external tool to perform digital
+	signature, but there could be other uses as well. New methods
+	include the following, all of which are described in their
+	respective headers:
+	  - QPDF::getXRefTable()
+	  - QPDFObjectHandle::getParsedOffset()
+	  - QPDFWriter::getRenumberedObjGen(QPDFObjGen)
+	  - QPDFWriter::getWrittenXRefTable()
+
+2019-10-12  Jay Berkenbilt  <ejb@ql.org>
+
+	* 9.0.2: release
+
+	* Change the name of the temporary file used by --replace-input to
+	work with arbitrary absolute or relative paths without requiring
+	path splitting logic. Fixes #365.
+
+2019-09-20  Jay Berkenbilt  <ejb@ql.org>
+
+	* 9.0.1: release
+
+2019-09-19  Jay Berkenbilt  <ejb@ql.org>
+
+	* When converting an array to a Rectangle, ensure that llx <= urx
+	and lly <= ury. This prevents flatten-annotations from flipping
+	fields whose coordinates are messed up in the input. Fixes #363.
+
+	* Warn when duplicated dictionary keys are found during parsing.
+	The behavior remains as before: later keys override earlier ones.
+	However, this generates a warning now rather than being silently
+	ignored. Fixes #345.
+
+2019-09-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* Fix a few integer warnings for big-endian systems.
+
+	* QIntC tests: don't assume char is signed. Fixes #361.
+
+2019-08-31  Jay Berkenbilt  <ejb@ql.org>
+
+	* 9.0.0: release
+
+	* Add QPDF::anyWarnings() method to find out whether there have
+	been any warnings without resetting the list.
+
+	* Add QPDF::closeInputSource() method to release the input source
+	so the input file can be deleted or renamed.
+
+	* Add methods rename_file and remove_file to QUtil.
+
+2019-08-24  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add QPDF::userPasswordMatched() and QPDF::ownerPasswordMatched()
+	methods so it can be determined separately whether the supplied
+	password matched the user password, the owner password, or both.
+	Fixes #159.
+
+2019-08-23  Jay Berkenbilt  <ejb@ql.org>
+
+	* Add --recompress-streams option to qpdf and
+	QPDFWriter::setRecompressFlate to cause QPDFWriter to recompress
+	streams that are already compressed with /FlateDecode.
+
+	* Add option Pl_Flate::setCompressionLevel to globally set the
+	zlib compression level used by all Pl_Flate pipelines.
+
+	* Add --compression-level flag to qpdf to set the zlib compression
+	level. When combined with --recompress-flate, this will cause most
+	of qpdf's streams to use the maximum compression level. This
+	results in only a very small amount of savings in size that comes
+	at a fairly significant performance cost, but it could be useful
+	for archival files or other cases where every byte counts and
+	creation time doesn't matter so much. Note that using
+	--object-streams=generate in combination with these options gives
+	you the biggest advantage. Fixes #113.
+
+2019-08-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* In QPDFObjectHandle::ParserCallbacks, in addition to
+	handleObject(QPDFObjectHandle), allow developers to override
+	handleObject(QPDFObjectHandle, size_t offset, size_t length). If
+	this method appears instead, it is called with the offset of the
+	object in the content stream (which may be concatenated from an
+	array of streams) and the length of the object. Intervening
+	whitespace and comments are not included in offset and length.
+
+	* Add method
+	QPDFObjectHandle::ParserCallbacks::contentSize(size_t). If
+	defined, it is called by the content stream parser before the
+	first call to handleObject, and the argument is the total size in
+	bytes of the content streams.
+
+	* Add QPDFObjectHandle::isDirectNull() -- a const method that
+	allows determining whether an object is a literal null without
+	attempting to resolve it.
+
+	* Stop replacing indirect references to null with literal null in
+	arrays when writing output with QPDFWriter.
+
+2019-08-19  Jay Berkenbilt  <ejb@ql.org>
+
+	* Accept (and warn for) extraneous whitespace preceding the xref
+	table. Fixes #341.
+
+	* Accept (and warn for) extraneous whitespace between the stream
+	keyword and newline. Fixes #329.
+
+	* Properly handle name tokens containing # not preceding two
+	hexadecimal digits. Such names are invalid in PDF >= 1.2 but valid
+	in PDF 1.0 and 1.1. Prior to this fix, qpdf's behavior was to
+	treat such tokens as an error for PDF >= 1.2, but for older PDF
+	tokens, the name was silently accepted, and when the name token
+	was written out, the # was changed to #23, which is the correct
+	way to represent a # character. This behavior was problematic for
+	several reasons: one is that, ordinarily, content streams are not
+	parsed, so this would cause things like image references whose
+	names contained # to break. Also, even if the input file was 1.0
+	or 1.1, there's no guarantee that the output file wouldn't be
+	written at a new version, resulting in invalid name tokens. The
+	new behavior is to issue a warning upon encountering such a token
+	but to accept it, regardless of the PDF version. Such tokens are
+	written out properly as well. Additionally, the warning message
+	indicates that the tokens are invalid for PDF >= 1.2. Fixes #332.
+
+	* Non-compatible API change: remove
+	QPDFTokenizer::allowPoundAnywhereInName(). There were a lot of
+	problems with this. When it was used, any name tokens read would
+	always be modified on output, which is never the correct behavior.
+	This method used to signal QPDFTokenizer to not treat # specially
+	in name tokens, which resulted in the incorrect behavior whose fix
+	is described in the preceding item.
+
+2019-08-18  Jay Berkenbilt  <ejb@ql.org>
+
+	* When traversing the pages tree, if an invalid /Type key is
+	encountered, fix it. This is not done for all operations, but it
+	will be done for any case in which getAllPages is called. This
+	includes all page-based CLI operations. (Hopefully) Fixes #349.
+
+2019-08-17  Jay Berkenbilt  <ejb@ql.org>
+
+	* Change internal implementation of QPDF arrays to use sparse
+	arrays, which results in using much less memory for arrays with
+	large numbers of nulls. Various files have been encountered in the
+	wild that contains thousands of arrays with millions of nulls.
+	Fixes #305, #311.
+
+2019-07-03  Jay Berkenbilt  <ejb@ql.org>
+
+	* Non-compatible API change: change
+	QPDFOutlineDocumentHelper::getTopLevelOutlines and
+	QPDFOutlineObjectHelper::getKids to return a std::vector instead
+	of a std::list of QPDFOutlineObjectHelper objects. This is to work
+	around bugs with some compilers' STL implementations that are
+	choking with list here. There's no deep reason for these to be
+	lists instead of vectors. Fixes #297.
+
+2019-06-22  Jay Berkenbilt  <ejb@ql.org>
+
+	* Handle encrypted files with missing or invalid /Length entries
+	in the encryption dictionary.
+
+	* QPDFWriter: allow calling set*EncryptionParameters before
+	calling setFilename. Fixes #336.
+
+	* It now works to run --completion-bash and --completion-zsh when
+	qpdf is started from an AppImage.
+
+	* Provided a more useful error message when Windows can't get
+	security context. Thanks to user zdenop for supplying some code.
+	Fixes #286.
+
+	* Favor PointerHolder over manual memory allocation in shippable
+	code where possible. Fixes #235.
+
+	* If pkg-config is available, use it to local libjpeg and zlib. If
+	not, fall back to old behavior. Fixes #324.
+
+	* The "make install" target explicitly sets a mode rather than
+	relying the user's umask. Fixes #326.
+
+	* When a file has linearization warnings but no errors, qpdf
+	--check and --check-linearization now exit with code 3 instead
+	of 2. Fixes #50.
+
+	* Add new function QUtil::read_file_into_memory.
+
+2019-06-21  Jay Berkenbilt  <ejb@ql.org>
+
+	* When supported, qpdf builds with -fvisibility=hidden, which
+	removes non-exported symbols from the shared library in a manner
+	similar to how Windows DLLs work. This is better for performance
+	and also better for safety and protection of private interfaces.
+	See https://gcc.gnu.org/wiki/Visibility. *NOTE*: If you are
+	getting linker errors trying to catch exceptions or derive things
+	from a base class in the qpdf library, it's possible that a
+	QPDF_DLL_CLASS declaration is missing somewhere. Please report
+	this as a bug at https://github.com/qpdf/qpdf/issues.
+
+	* Source-level incompatibility: remove the version
+	QPDF::copyForeignObject with an unused boolean parameter. If you
+	were, for some reason, calling this, just take the parameter away.
+
+	* Source-level incompatibility: remove the version
+	QPDFTokenizer::expectInlineImage with no arguments. It didn't
+	produce correct inline images. This is a very low-level routine.
+	There is little reason to call it outside of qpdf's lexical
+	engine.
+
+	* Source-level incompatibility: rename QUtil::strcasecmp to
+	QUtil::str_compare_nocase. This is a non-compatible change, but
+	QUtil::strcasecmp is hardly the most important part of qpdf's API.
+	The reason for this change is that strcasecmp is a macro on some
+	systems, and that was causing problems when QUtil.hh was included
+	in certain circumstances. Fixes #242.
+
+2019-06-20  Jay Berkenbilt  <ejb@ql.org>
+
+	* Enable compilation with additional warnings for integer
+	conversion and sign (-Wsign-conversion, -Wconversion for gcc and
+	similar; -W3 for msvc) if supported. These warnings are on by
+	default can be turned off by passing --disable-int-warnings
+
+	* Fix all integer sign and conversion warnings. This makes all
+	integer type conversions that have potential data loss explicit
+	with calls that do range checks and raise an exception.
+
+	* Change out_bufsize argument to Pl_Flate's constructor for int to
+	unsigned int for compatibility with underlying zlib
+	implementation.
+
+	* Change QPDFObjectHandle::pipeStreamData's encode_flags argument
+	from unsigned long to int since int is the underlying type of the
+	enumerated type values that are passed to it. This change should
+	be invisible to virtually all code unless you are compiling with
+	strict warning flags and explicitly casting to unsigned long.
+
+	* Add methods to QPDFObjectHandle to return the value of Integer
+	objects as int and unsigned int with range checking and fallback
+	behavior to avoid silent underflow/overflow conditions.
+
+	* Add functions to QUtil to convert unsigned integers to strings,
+	avoiding implicit conversion between unsigned and signed integer
+	types.
+
+	* Add QIntC.hh, containing integer type converters that do range
+	checking.
+
+2019-06-18  Jay Berkenbilt  <ejb@ql.org>
+
+	* Remove previously submitted qpdf_read_memory_fuzzer as it is a
+	small subset of qpdf_fuzzer.
+
+2019-06-15  Jay Berkenbilt  <ejb@ql.org>
+
+	* Update CI (Azure Pipelines) to run tests with some sanitizers.
+
+	* Do "ideal integration" with oss-fuzz. This includes adding a
+	better fuzzer with a seed corpus and adding automated tests of the
+	fuzzer with the test data.
+
+	* When parsing files, while reading an object, if there are too
+	many consecutive errors without enough intervening successes, give
+	up on the specific object. This reduces cases in which very badly
+	damaged files send qpdf into a tail spin reading one character at
+	a time and reporting warnings.
+
+2019-06-13  Jay Berkenbilt  <ejb@ql.org>
+
+	* Perform initial integration of Google's oss-fuzz project by
+	copying the fuzzer someone from Google already did into the qpdf
+	repository and adding build support. This shift in control is in
+	preparation for an ideal integration with oss-fuzz.
+
+2019-06-09  Jay Berkenbilt  <ejb@ql.org>
+
+	* When /DecodeParms is an empty list, ignore it on read and delete
+	it on write. Fixes #331.
+
 2019-05-18  Jay Berkenbilt  <ejb@ql.org>
 
 	* 8.4.2: release
@@ -1254,7 +3241,7 @@
 2015-10-29  Jay Berkenbilt  <ejb@ql.org>
 
 	* Implement QPDFWriter::setDeterministicID and --deterministic-id
-	commandline-flag to qpdf to request generation of a deterministic
+	command-line flag to qpdf to request generation of a deterministic
 	/ID for non-encrypted files.
 
 2015-05-24  Jay Berkenbilt  <ejb@ql.org>

_service:tar_scm:qpdf-8.4.2.tar.gz/NOTICE.md -> _service:tar_scm:qpdf-11.1.0.tar.gz/NOTICE.md Changed

@@ -1,4 +1,4 @@
-QPDF is copyright (c) 2005-2019 Jay Berkenbilt
+QPDF is copyright (c) 2005-2022 Jay Berkenbilt
 
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
 
@@ -8,7 +8,7 @@
 
 Versions of qpdf prior to version 7 were released under the terms of version 2.0 of the Artistic License. At your option, you may continue to consider qpdf to be licensed under those terms. Please see the manual for additional information.
 
-The qpdf distribution includes a copy of qtest(http://qtest.qbilt.org), which is released under the terms of the version 2.0 of the Artistic license(https://opensource.org/licenses/Artistic-2.0), which can be found at https://opensource.org/licenses/Artistic-2.0.
+The qpdf distribution includes a copy of qtest(https://qtest.sourceforge.io), which is released under the terms of the version 2.0 of the Artistic license(https://opensource.org/licenses/Artistic-2.0), which can be found at https://opensource.org/licenses/Artistic-2.0.
 
 The Rijndael encryption implementation used as the basis for AES encryption and decryption support comes from Philip J. Erdelsky's public domain implementation.  The files `libqpdf/rijndael.cc` and `libqpdf/qpdf/rijndael.h` remain in the public domain.  They were obtained from
 * http://www.efgh.com/software/rijndael.htm

_service:tar_scm:qpdf-11.1.0.tar.gz/README-doc.txt Added

_service:tar_scm:qpdf-8.4.2.tar.gz/README-maintainer -> _service:tar_scm:qpdf-11.1.0.tar.gz/README-maintainer Changed

@@ -4,136 +4,422 @@
 
 Default:
 
-./configure --enable-werror --disable-shared
+cmake -DMAINTAINER_MODE=1 -DBUILD_STATIC_LIBS=0 \
+   -DCMAKE_BUILD_TYPE=RelWithDebInfo ..
 
 Debugging:
 
-./configure CFLAGS="-g" CXXFLAGS="-g" --enable-werror --disable-shared
+cmake -DMAINTAINER_MODE=1 -DBUILD_SHARED_LIBS=0 \
+   -DCMAKE_BUILD_TYPE=Debug ..
+
+Profiling:
+
+CFLAGS=-pg LDFLAGS=-pg \
+   cmake -DMAINTAINER_MODE=1 -DBUILD_SHARED_LIBS=0 \
+   -DCMAKE_BUILD_TYPE=Debug ..
+
+Then run `gprof gmon.out`. Note that gmon.out is not cumulative.
 
 Memory checks:
 
-./configure CFLAGS="-fsanitize=address -fsanitize=undefined -g" \
-   CXXFLAGS="-fsanitize=address -fsanitize=undefined -g" \
+CFLAGS="-fsanitize=address -fsanitize=undefined" \
+   CXXFLAGS="-fsanitize=address -fsanitize=undefined" \
    LDFLAGS="-fsanitize=address -fsanitize=undefined" \
-   --enable-werror --disable-shared
+   CC=clang CXX=clang++ \
+   cmake -DMAINTAINER_MODE=1 -DBUILD_SHARED_LIBS=0 \
+   -DCMAKE_BUILD_TYPE=Debug ..
+
+Windows:
+
+../cmake-win {mingw|msvc} maint
+
+See ./build-scripts for other ways to run the build for different
+configurations.
+
+
+VERSIONS
+
+* The version number on the main branch is whatever the version would
+  be if the top of the branch were released. If the most recent
+  release is version a.b.c, then
+
+  * If there are any ABI-breaking changes since the last release,
+    main's version is a+1.0.0
+  * Else if there is any new public API, main's version is a.b+1.0
+  * Else if there are any code changes, main's version is a.b.c+1
+
+* Whenever we bump the version number, bump shared library versions as
+  well.
+
+* Every released major/minor version has an a.b branch which is used
+  primarily for documentation but could potentially be used to create
+  a new patch release after main has moved on. We don't do that as a
+  rule, but there's no reason we couldn't do it if main had unreleased
+  ABI/API changes that were still in flux and an important bug fix was
+  needed on the most recent release. In that case, a release can be
+  cut from a release branch and then either main can be rebased from
+  there or the changes can be merged back, depending on the amount of
+  drift.
+
+
+CHECKING DOCS ON readthedocs
+
+To check docs on readthedocs.io without running all of CI, push to the
+doc-check branch. Then visit https://qpdf.readthedocs.io/en/doc-check/
+Building docs from pull requests is also enabled.
+
+
+GOOGLE OSS-FUZZ
+
+* See ../misc/fuzz (not in repo) for unfixed, downloaded fuzz test cases
+
+* qpdf project: https://github.com/google/oss-fuzz/tree/master/projects/qpdf
+
+* Adding new test cases: download the file from oss-fuzz and drop it
+  in fuzz/qpdf_extra/issue-number.fuzz. When ready to include it, add
+  to fuzz/CMakeLists.txt. Until ready to use, the file can be stored
+  anywhere, and the absolute path can be passed to the reproduction
+  code as described below.
+
+* To test locally, see https://github.com/google/oss-fuzz/tree/master/docs/,
+  especially new_project_guide.md. Summary:
+
+  Clone the oss-fuzz project. From the root directory of the repository:
+
+  python3 infra/helper.py build_image --pull qpdf
+  python3 infra/helper.py build_fuzzers  --sanitizer memory|undefined|address  qpdf path-to-qpdf-source
+  python3 infra/helper.py check_build qpdf
+  python3 infra/helper.py build_fuzzers --sanitizer coverage qpdf
+  python3 infra/helper.py coverage qpdf
+
+  To reproduce a test case, build with the correct sanitizer, then run
+
+  python3 infra/helper.py reproduce qpdf <specific-fuzzer> testcase
+
+  where fuzzer is the fuzzer used in the crash.
+
+  The fuzzer is in build/out/qpdf. It can be run with a directory as
+  an argument to run against files in a directory. You can use
+
+  qpdf_fuzzer -merge=1 cur new >& /dev/null&
+
+  to add any files from new into cur if they increase coverage. You
+  need to do this with the coverage build (the one with
+  --sanitizer coverage)
+
+* General documentation: http://libfuzzer.info
+
+* Build status: https://oss-fuzz-build-logs.storage.googleapis.com/index.html
+
+* Project status: https://oss-fuzz.com/ (private -- log in with Google account)
+
+* Latest corpus:
+  gs://qpdf-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/qpdf_fuzzer/latest.zip
 
 
 CODING RULES
 
+* Code is formatted with clang-format >= 15. See .clang-format and the
+  "Code Formatting" section in manual/contributing.rst for details.
+  See also "CODE FORMATTING" below.
+
+* Use of assert:
+
+  * Test code: #include <qpdf/assert_test.h> first.
+  * Debug code: #include <qpdf/assert_debug.h> first and use
+    qpdf_assert_debug instead of assert.
+
+  These rules are enforced by the check-assert test. This practices
+  serves to
+
+  * remind us that assert in release code disappears and so should only
+    be used for debugging; when doing so use a Debug build
+    configuration
+
+  * protect us from using assert in test code without explicitly
+    removing the NDEBUG definition, since that would cause the assert
+    not to actually be testing anything in non-Debug build
+    configurations.
+
+* In a source file, include the header file that declares the source
+  class first followed by a blank line. If a config file is needed
+  first, put a blank line between that and the header followed by
+  another blank line. This assures that each header file is included
+  first at least once, thereby ensuring that it explicitly includes
+  all the headers it needs, which in turn alleviates lots of header
+  ordering problems. The blank line ensures that formatters don't
+  mess this up by resorting the headers.
+
 * Avoid atoi. Use QUtil::string_to_int instead. It does
   overflow/underflow checking.
 
+* Avoid certain functions that tend to be macros or create compilation
+  errors on some platforms. Known cases: strcasecmp, abs. Avoid min
+  and max. If needed, std::min and std::max are okay to use in C++
+  code with <algorithm> included.
+
 * Remember to avoid using `operator` with `std::string` or
   `std::vector`. Instead, use `at()`. See README-hardening.md for
   details.
 
+* Use QIntC for type conversions -- see casting policy in docs.
+
+* Remember to imbue ostringstreams with std::locale::classic() before
+  outputting numbers. This protects against the user's global locale
+  altering otherwise deterministic values. (See github issue #459.)
+  One could argue that error messages containing numbers should
+  respect the user's locale, but I think it's more important for
+  output to be consistent, since the messages in question are not
+  really targeted at the end user.
+
+* Use QPDF_DLL on all methods that are to be exported in the shared
+  library/DLL. Use QPDF_DLL_CLASS for all classes whose type
+  information is needed. This is important for classes that are used
+  as exceptions, subclassed, or tested with dynamic_cast across the
+  the shared object boundary (or "shared library boundary" -- we may
+  use either term in comments and documentation). In particular,
+  anything new derived from Pipeline or InputSource should be marked
+  with QPDF_DLL_CLASS, but we don't need to do it for QPDFObjectHelper
+  or QPDFDocumentHelper subclasses since there's no reason to use
+  dynamic_cast with those.
+
+  IMPORTANT NOTE ABOUT QPDF_DLL_CLASS: On mingw, the vtable for a
+  class with some virtual methods and no pure virtual methods seems
+  often (always?) not to be generated if the destructor is inline or
+  declared with `= default`. Therefore, for any class that is intended
+  to be used as a base class and doesn't contain any pure virtual
+  methods, you must declare the destructor in the header without
+  `= default` and provide a non-inline implementation in the source
+  file. Add this comment to the implementation:
+
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+
+* Put private member variables in std::shared_ptr<Members> for all
+  public classes. Remember to use QPDF_DLL on ~Members(). Exception:
+  indirection through std::shared_ptr<Members> is expensive, so don't
+  do it for classes that are copied a lot, like QPDFObjectHandle and
+  QPDFObject. It may be possible to declare
+  std::shared_ptr<Members> m_ph;
+  Member* m;
+  with m = m_ph.get(), and then indirect through m in
+  performance-critical settings, though in 2022, std::shared_ptr is
+  sufficiently performant that this may not be worth it.
+
+* Traversal of objects is expensive. It's worth adding some complexity
+  to avoid needless traversals of objects.
+
+* Avoid attaching too much metadata to objects and object handles
+  since those have to get copied around a lot.
+
+
+HOW TO ADD A COMMAND-LINE ARGUMENT
+
+Quick reminder:
+
+* Add an entry to the top half of job.yml for the command-line
+  argument
+* Add an entry to the bottom half of job.yml for the job JSON field
+* Add documentation for the new option to cli.rst
+* Implement the QPDFJob::Config method in QPDFJob_config.cc.
+
+QPDFJob is documented in three places:
+
+* This section provides a quick reminder for how to add a command-line
+  argument
+
+* generate_auto_job has a detailed explanation about how QPDFJob and
+  generate_auto_job work together
+
+* The manual ("QPDFJob Design" in qpdf-job.rst) discusses the design
+  approach, rationale, and evolution of QPDFJob.
+
+Command-line arguments are closely coupled with QPDFJob. To add a new
+command-line argument, add the option to the appropriate table in
+job.yml. This will automatically declare a method in the private
+ArgParser class in QPDFJob_argv.cc which you have to implement. The
+implementation should make calls to methods in QPDFJob via its Config
+classes. Then, add the same option to either the no-json section of
+job.yml if it is to be excluded from the job json structure, or add it
+under the json structure to the place where it should appear in the
+json structure.
+
+In most cases, adding a new option will automatically declare and call
+the appropriate Config method, which you then have to implement. If
+you need a manual handler, you have to declare the option as manual in
+job.yml and implement the handler yourself, though the automatically
+generated code will declare it for you.
+
+The build will fail until the new option is documented in
+manual/cli.rst. To do that, create documentation for the option by
+adding a ".. qpdf:option::" directive followed by a magic help comment
+as described at the top of manual/cli.rst. Put this in the correct
+help topic. Help topics roughly correspond with sections in that
+chapter and are created using a special ".. help-topic" comment.
+Follow the example of other options for style.
+
+When done, the following should happen:
+
+* qpdf --new-option should work as expected
+* qpdf --help=--new-option should show the help from the comment in cli.rst
+* qpdf --help=topic should list --new-option for the correct topic
+* --new-option should appear in the manual
+* --new-option should be in the command-line option index in the manual
+* A Config method (in Config or one of the other Config classes in
+  QPDFJob) should exist that corresponds to the command-line flag
+* The job JSON file should have a new key in the schema corresponding
+  to the new option
+
 
 RELEASE PREPARATION
 
-* Each year, update copyright notices. Just do a case-insensitive
-  search for copyright. Don't forget copyright in manual. Also update
-  debian copyright in debian package. Last updated: 2019.
+* Each year, update copyright notices. This will find all relevant
+  places (assuming current copyright is from last year):
+
+  git --no-pager grep -i -n -P "copyright.*$(expr $(date +%Y) - 1).*berkenbilt"
+
+  Also update the copyright in these places:
+  * debian package -- search for copyright.*berkenbilt in debian/copyright
+  * qtest-driver, TestDriver.pm in qtest source
+
+  Copyright last updated: 2022.
+
+* Take a look at "External Libraries" in TODO to see if we need to
+  make any changes. There is still some automation work left to do, so
+  handling external-libs releases is still manual. See also
+  README-maintainer in external-libs.
+
+* Check for open fuzz crashes at https://oss-fuzz.com
 
 * Check all open issues and pull requests in github and the
-  sourceforge trackers.
+  sourceforge trackers. See ~/scripts/github-issues. Don't forget pull
+  requests. Note: If the location for reporting issues changes, do a
+  careful check of documentation and code to make sure any comments
+  that include the issue creation URL are updated.
 
 * Check `TODO` file to make sure all planned items for the release are
   done or retargeted.
 
+* Check work `qpdf` project for private issues
+
+* Make sure the code is formatted.
+
+  ./format-code
+
 * Run a spelling checker over the source code to catch errors in
   variable names, strings, and comments.
 
-  ispell -p ispell-words **/*.hh **/*.cc manual/* ChangeLog README* TODO
+  ./spell-check
 
-* If needed, run large file and image comparison tests. Configure
-  options:
+  This uses cspell. Install with `npm install -g cspell`. The output
+  of cspell is suitable for use with `M-x grep` in emacs. Add
+  exceptions to cSpell.json.
 
---enable-test-compare-images --with-large-file-test-path=/path
+* If needed, run large file and image comparison tests by setting
+  these environment variables:
+
+  QPDF_LARGE_FILE_TEST_PATH=/full/path
+  QPDF_TEST_COMPARE_IMAGES=1
 
   For Windows, use a Windows style path, not an MSYS path for large files.
 
-* Test with clang. Pass `CC=clang CXX=clang++` to `./configure`. Test
-  with newer version of gcc if available.
+* If any interfaces were added or changed, check C API to see whether
+  changes are appropriate there as well. If necessary, review the
+  casting policy in the manual, and ensure that integer types are
+  properly handled with QIntC or the appropriate cast. Remember to
+  ensure that any exceptions thrown by the library are caught and
+  converted. See `trap_errors` in qpdf-c.cc.
 
-* Test build on a mac.
+* Double check versions and shared library details. They should
+  already be up to date in the code.
 
-* Test with address sanitizer as described above.
+  * Make sure version numbers are consistent in the following locations:
+    * CMakeLists.txt
+    * include/qpdf/DLL.h
+    * manual/conf.py
+    `make_dist` verifies this consistency.
 
-* A small handful of additional files have been taken from autotools
-  programs. These should probably be updated from time to time.
+* Update release notes in manual. Look at diffs and ChangeLog.
+  Update release date in `manual/release-notes.rst`. Change "not yet
+  released" to an actual date for the release.
 
-  * `config.guess`, `config.sub`, `ltmain.sh`, and the `m4` directory:
-    these were created by running `libtoolize -c`. To update, run
-    `libtoolize -f -c` or remove the files and rerun `libtoolize`.
+* Add a release entry to ChangeLog: "x.y.z: release"
 
-  * Other files copied as indicated:
-    ```
-    cp /usr/share/automake-1.11/install-sh .
-    cp /usr/share/automake-1.11/mkinstalldirs .
-    ```
+* Commit changes with title "Prepare x.y.z release"
 
-  The entire contents of the `m4` directory came from `libtool.m4`. If
-  we had some additional local parts, we could also add those to the
-  `m4` directory. In order for this to work, it is necessary to run
-  `aclocal -I m4` before running `autoheader` and `autoconf`. The
-  `autogen.sh` script handles this.
+* Performance test is included with binary compatibility steps. Even
+  if releasing a new major release and not doing binary compatibility
+  testing, do performance testing.
 
-* If any interfaces were added or changed, check C API to see whether
-  changes are appropriate there as well. If necessary, review the
-  casting policy in the manual, and ensure that integer types are
-  properly handled.
+* Test for performance and binary compatibility:
 
-* Increment shared library version information as needed (`LT_*` in
-  `configure.ac`)
+  ./abi-perf-test v<old> @
 
-* Test for binary compatibility:
-  * Check out the last release
-  * ./configure --enable-werror && make -j$(nproc)
-  * Check out the current version
-  * ./configure --enable-werror && make -j$(nproc) build_libqpdf
-  * Checkout the last release
-  * make -k check NO_REBUILD=1
+  Prefix with SKIP_PERF=1 to skip performance test.
+  Prefix with SKIP_TESTS=1 to skip test suite run.
 
-* Update release notes in manual. Look at diffs and ChangeLog. Update
-  release date in `manual/qpdf-manual.xml`. Remember to ensure that
-  the entities at the top of the document are consistent with the
-  release notes for both version and release date.
+  See "ABI checks" for details about the process.
+  End state:
+  * /tmp/check-abi/old contains old sizes and library
+  * /tmp/check-abi/new contains new sizes and library
+  * run check_abi manually to compare
 
-* Make sure version numbers are consistent in the following locations:
-  * configure.ac
-  * libqpdf/QPDF.cc
-  * manual/qpdf-manual.xml
-  * qpdf/qpdf.cc
-  `make_dist` verifies this consistency.
+* Run pikepdf's test suite. Do this in a separate shell.
 
-* Add a release entry to ChangeLog.
+cd ...qpdf-source-tree...
+export QPDF_SOURCE_TREE=$PWD
+export QPDF_BUILD_LIBDIR=$QPDF_SOURCE_TREE/build/libqpdf
+export LD_LIBRARY_PATH=$QPDF_BUILD_LIBDIR
+cd /tmp/z
+git clone git@github.com:pikepdf/pikepdf
+virtualenv v
+source v/bin/activate
+cd pikepdf
+pip3 install --upgrade pip
+pip3 install '.test'
+rehash
+pip3 install .
+pytest -n auto
+
+* Run package tests:
+
+(Note: can't use DESTDIR because pkg-config won't know about it.)
+
+\rm -rf /tmp/inst build.tmp
+cmake -S . -B build.tmp \
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=/tmp/inst
+cmake --build build.tmp -j$(nproc)
+cmake --install build.tmp
+env PKG_CONFIG_PATH=/tmp/inst/lib/pkgconfig \
+    LD_LIBRARY_PATH=/tmp/inst/lib \
+    CMAKE_PREFIX_PATH=/tmp/inst \
+   ./pkg-test/run-all
 
 
 CREATING A RELEASE
 
-* Push to master. The azure pipeline will create an artifact called
-  distribution which will contain all the distribution files. Download
-  these, verify the checksums from the job output, rename to remove
-  -ci from the names, and copy to the release archive area.
+* Push to main. This will create an artifact called distribution
+  which will contain all the distribution files. Download these,
+  verify the checksums from the job output, rename to remove -ci from
+  the names, and extract to the release archive area.
 
 * Sign the source distribution:
 
 version=x.y.z
 gpg --detach-sign --armor qpdf-$version.tar.gz
 
-* Build and test the debian package
+* Build and test the debian package. This includes running autopkgtest.
+
+* Add a calendar reminder to check the status of the debian package to
+  make sure it is transitioning properly and to resolve any issues.
 
-* Sign the releases. The release archive area should contain the
-  Windows binaries, the AppImage, the source tarball, and the source
-  tarball signature.
+* From the release archive area, sign the releases.
 
-\rm -f *.{md5,sha1,sha512}
+\rm -f *.sha256
 files=(*)
-for i in md5 sha1 sha512; do
-  ${i}sum ${files*} >| qpdf-$version.$i
-  gpg --clearsign --armor qpdf-$version.$i
-  mv qpdf-$version.$i.asc qpdf-$version.$i
-done
+sha256sum ${files*} >| qpdf-$version.sha256
+gpg --clearsign --armor qpdf-$version.sha256
+mv qpdf-$version.sha256.asc qpdf-$version.sha256
 chmod 444 *
 chmod 555 *.AppImage
 
@@ -141,25 +427,32 @@
   `README-what-to-download.md` separately onto the download area if
   needed.
 
-* Ensure that the master branch has been pushed to github. The
+* Ensure that the main branch has been pushed to github. The
   rev-parse command below should show the same commit hash for all its
   arguments. Create and push a signed tag. This should be run with
-  HEAD pointing to the tip of master.
+  HEAD pointing to the tip of main.
+
+git rev-parse qpdf/main @
+git tag -s v$version @ -m"qpdf $version"
+git push qpdf v$version
 
-git rev-parse master upstream/master @
-git tag -s release-qpdf-$version @ -m"qpdf $version"
-git push upstream release-qpdf-$version
+* Update documentation branches
 
-* In Azure Pipelines, retain the build that was used to generate the
-  release.
+git push qpdf @:$(echo $version | sed -E 's/\.^\.+$//')
+git push qpdf @:stable
+
+* If this is an x.y.0 release, visit
+  https://readthedocs.org/projects/qpdf/versions/ (log in with
+  github), and activate the latest major/minor version
 
 * Create a github release after pushing the tag. `gcurl` is an alias
   that includes the auth token.
 
 # Create release
-TOKEN=$(cat ~/.github-token)
-function gcurl() { curl -H "Authorization: token $TOKEN" ${1+"$@"}; }
-url=$(gcurl -s -XPOST https://api.github.com/repos/qpdf/qpdf/releases -d'{"tag_name": "release-qpdf-'$version'", "name": "qpdf '$version'", "draft": true}' | jq -r '.url')
+GITHUB_TOKEN=$(qdata-show cred github-token)
+function gcurl() { curl -H "Authorization: token $GITHUB_TOKEN" ${1+"$@"}; }
+
+url=$(gcurl -s -XPOST https://api.github.com/repos/qpdf/qpdf/releases -d'{"tag_name": "v'$version'", "name": "qpdf '$version'", "draft": true}' | jq -r '.url')
 
 # Get upload url
 upload_url=$(gcurl -s $url | jq -r '.upload_url' | sed -E -e 's/\{.*\}//')
@@ -175,84 +468,212 @@
 If needed, go onto github and make any manual updates such as
 indicating a pre-release, adding release notes, etc.
 
+Template for release notes:
+
+```
+This is qpdf version x.y.z. (Brief description)
+
+For a full list of changes from previous releases, please see the release notes(https://qpdf.readthedocs.io/en/stable/release-notes.html). See also README-what-to-download(./README-what-to-download.md) for details about the available source and binary distributions.
+```
+
 # Publish release
 gcurl -XPOST $url -d'{"draft": false}'
 
-* Upload files to sourceforge. Make the source package the default for
-  all but Windows, and make the 32-bit mingw build the default for
-  Windows. Publish a news item manually on sourceforge.
+* Upload files to sourceforge.
+
+rsync -vrlcO ./ jay_berkenbilt,qpdf@frs.sourceforge.net:/home/frs/project/q/qp/qpdf/qpdf/$version/
 
-* Update the web page to indicate the new version and to put the new
-  documentation in the `files` subdirectory of the website on
-  sourceforge.net.
+* On sourceforge, make the source package the default for all but
+  Windows, and make the 32-bit mingw build the default for Windows.
+
+* Publish a news item manually on sourceforge.
+
+* Upload the debian package and Ubuntu ppa backports.
 
 * Email the qpdf-announce list.
 
 
 OTHER NOTES
 
-To construct a source distribution from a pristine checkout,
-`make_dist` does the following:
-
-./configure --enable-doc-maintenance --enable-werror
-make build_manual
-make distclean
+For local iteration on the AppImage generation, it works to just
+./build-scripts/build-appimage and get the resulting AppImage from the
+distribution directory. You can pass additional arguments to
+build-appimage, which passes them along to to docker.
 
-To create a source release of external libs, do an export from the
-version control system into a directory called `qpdf-external-libs`
-and just make a zip file of the result called
-`qpdf-external-libs-src.zip`. See the README.txt file there for
-information on creating binary external libs releases. Run this from
-the external-libs repository:
+Use -e SKIP_TESTS=1 to skip the test suite.
+Use -ti -e RUN_SHELL=1 to run a shell instead of the build script.
 
-git archive --prefix=external-libs/ HEAD . | (cd /tmp; tar xf -)
-cd /tmp
-zip -r qpdf-external-libs-src.zip external-libs
+To iterate on the scripts directly in the source tree, you can run
 
-When releasing on sourceforge, `external-libs` distributions go in
-`external-libs/yyyymmdd`, and qpdf distributions go in `qpdf/vvv`.
+docker build -t qpdfbuild appimage
+docker run --privileged --rm -ti -e SKIP_TESTS=1 -e RUN_SHELL=1 \
+       -v $PWD/..:/tmp/build ${1+"$@"} qpdfbuild
 
-For local iteration on the AppImage generation, follow the release
-procedures for building the AppImage, but instead of passing git clone
-options to the docker command, copy qpdf to /tmp/build. You can also
-pass -e SKIP_TESTS=1 to docker to skip the test suite, useful for
-rapid iteration. Set up /tmp/build as in the release process.
+This will put you at a shell prompt inside the container with your
+current directory set to the top of the source tree and your uid equal
+to the owner of the parent directory source tree.
 
-cp -a $PWD /tmp/build
-docker run --privileged -ti --rm -e SKIP_TESTS=1 -v /tmp/build:/tmp/build qpdfbuild
+Note: this will leave some extra files (like .bash_history) in the
+parent directory of the source tree. You will want to clean those up.
 
+DEPRECATION
 
-GENERAL BUILD STUFF
+This is a reminder of how to use and test deprecation.
 
-QPDF uses autoconf and libtool but does not use automake. The only
-files distributed with the qpdf source distribution that are not
-controlled are `configure`, `libqpdf/qpdf/qpdf-config.h.in`,
-`aclocal.m4`, and some documentation. See above for the steps required
-to prepare a source distribution.
+To temporarily disable deprecation warnings for testing:
 
-If building or editing documentation, configure with
-`--enable-doc-maintenance`. This will ensure that all tools or files
-required to validate and build documentation are available.
+#ifdef _MSC_VER
+# pragma warning(disable : 4996)
+#endif
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+    // Do deprecated thing here
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic pop
+#endif
 
-If you want to run `make maintainer-clean` or `make distclean` and you
-haven't run `./configure`, you can pass `CLEAN=1` to make on the
-command line to prevent it from complaining about configure not having
-been run.
+To declare something as deprecated:
 
-If you want to run checks without rerunning the build, pass
-`NO_REBUILD=1` to make. This can be useful for special testing
-scenarios such as validation of memory fixes or binary compatibility.
+deprecated("explanation")
 
 
 LOCAL WINDOWS TESTING PROCEDURE
 
 This is what I do for routine testing on Windows.
 
-From Windows, git clone from my Linux clone, and unzip
-`external-libs`.
+* From Windows, git clone from my Linux clone, and unzip
+  `external-libs`.
+
+* Start a command-line shell for x86_64 and x86 tools from Visual
+  studio. From there, start C:\msys64\mingw64 twice and
+  C:\msys64\mingw32 twice.
+
+* Create a build directory for each of the four permutations. Then, in
+  each build directory, run `../cmake-win <tool> maint`.
+
+* Run `cmake --build . -j4`. For MSVC, add `--config Release`
+
+* Test with with msvc: `ctest --verbose -C Release`
+
+* Test with mingw:  `ctest --verbose -C RelWithDebInfo`
+
+
+DOCS ON readthedocs.org
+
+* Registered for an account at readthedocs.org with my github account
+* Project page: https://readthedocs.org/projects/qpdf/
+* Docs: https://qpdf.readthedocs.io/
+* Admin -> Settings
+  * Set project home page
+  * Advanced
+    * Show version warning
+    * Default version: stable
+  * Email Notifications: set email address for build failures
+
+At this time, there is nothing in .github/workflows to support this.
+It's all set up as an integration directly between github and
+readthedocs.
+
+The way readthedocs.org does stable and versions doesn't exactly work
+for qpdf. My tagging convention is different from what they expect,
+and I don't need versions for every point release. I have the
+following branching strategy to support docs:
+
+* x.y -- points to the latest x.y.z release
+* stable -- points to the latest release
+
+The release process includes updating the approach branches and
+activating versions.
+
+
+CMAKE notes
+
+To verify the various cmake options and their interactions, several
+manual tests were done:
+
+* Break installed qpdf executables (qpdf, fix-qdf, zlib-flate), the
+  shared library, and DLL.h to ensure that other qpdf installations do
+  not interfere with building from source
+
+* Build static only and shared only
+
+* Install separate components separately
+
+* Build only HTML docs and only PDF docs
+
+* Try MAINTAINER_MODE without BUILD_DOC
+
+We are using RelWithDebInfo for mingw and other non-Windows builds but
+Release for MSVC. There are linker warnings if MSVC is built with
+RelWithDebInfo when using external-libs.
+
+
+ABI checks
+
+Until the conversion of the build to cmake, we relied on running the
+test suite with old executables and a new library. When QPDFJob was
+introduced, this method got much less reliable since a lot of public
+API doesn't cross the shared library boundary. Also, when switching to
+cmake, we wanted a stronger check that the library had the expected
+ABI.
+
+Our ABI check now consists of three parts:
+
+* The same check as before: run the test suite with old executables
+  and a new library
+
+* Do a literal comparison of the symbols in the old and new shared
+  libraries -- this is a strong test of ABI change
+
+* Do a check to ensure that object sizes didn't change -- even with no
+  changes to the API of exported functions, size changes break API
+
+The combination of these checks is pretty strong, though there are
+still things that could potentially break ABI, such as
+
+* Changes to the types of public or protected data members without
+  changing the size
+
+* Changes to the meanings of parameters with changing the signature
+
+Not breaking ABI/API still requires care.
+
+The check_abi script is responsible for performing many of these
+steps. See comments in check_abi for additional notes. Running
+"check_abi check-sizes" is run by ctest on Linux when CHECK_SIZES is
+on.
+
+
+CODE FORMATTING
+
+* Emacs doesn't indent breaking strings concatenated with + over
+  lines but clang-format does. It's clearer with clang-format. To
+  get emacs and clang-format to agree, parenthesize the expression
+  that builds the concatenated string.
+
+* With
+
+  long_function(long_function(
+      args)
+
+  clang-format anchors relative to the first function, and emacs
+  anchors relative to the second function. Use
+
+  long_function(
+      // line-break
+      long_function(
+	  args)
+
+  to resolve.
+
+In the revision control history, there is a commit around April 3,
+2022 with the title "Update some code manually to get better
+formatting results" that shows several examples of changing code so
+that clang-format produces several results. (In git this is commit
+77e889495f7c513ba8677df5fe662f08053709eb.)
 
-Look at `make_windows_releases`. Set up path the same way and run
-whichever `./config-*` is appropriate for whichever compiler I need to
-test with. Start one of the Visual Studio native compiler shells, and
-from there, run one of the msys shells. The Visual Studio step is not
-necessary if just building with mingw.
+The commit that has the bulk of the automatic reformatting is
+12f1eb15ca3fed6310402847559a7c99d3c77847. This could go in a
+blame.ignoreRevsFile file for `git blame` if needed.

_service:tar_scm:qpdf-8.4.2.tar.gz/README-what-to-download.md -> _service:tar_scm:qpdf-11.1.0.tar.gz/README-what-to-download.md Changed

@@ -1,32 +1,31 @@
 To build from source for Linux or other UNIX/UNIX-like systems, it is generally sufficient to download just the source `qpdf-<version>.tar.gz` file.
 
-Virtually all Linux distributions include packages for qpdf. If you'd like to run the latest version of qpdf as an AppImage(https://appimage.org/), you can download `qpdf-<version>-x86_64.AppImage`. This is a self-contained executable that you make symlink `qpdf` to and run on most reasonably recent Linux distributions. See README-appimage.md in the qpdf source distribution for additional details, or run the AppImage with the `--ai-usage` argument to get help specific to the AppImage.
+Windows Binaries
 
-For Windows, there are several additional files that you might want to download.
+You can download Windows binaries that are statically linked with qpdf's external dependencies and use the OpenSSL crypto provider. There are several options:
 
-* `qpdf-<version>-bin-mingw32.zip`
+* For Windows installers, you can download the `.exe` file for a traditional installer that allows relocation, or you can download the `.zip` file which you can unzip to any location.
 
-   If you just want to use the qpdf command line program or use the qpdf DLL's C-language interface, you can download this file.  You can also download this version if you are using MINGW's gcc and want to program using the C++ interface.
+* `qpdf-<version>-bin-mingw32.exe` - 32-bit executables that should work on basically any Windows system, including 64-bit systems. The 32-bit executables are capable of handling files larger than 2 GB. If you just want to use the qpdf command line program or use the qpdf DLL's C-language interface, you can download this file.  You can also download this version if you are using MINGW's gcc and want to program using the C++ interface.
 
-* `qpdf-<version>-bin-mingw64.zip`
+* `qpdf-<version>-bin-mingw64.exe` - A 64-bit version built with mingw.  Use this for 64-bit Windows systems.  The 32-bit version will also work on Windows 64-bit. Both the 32-bit and the 64-bit version support files over 2 GB in size, but you may find it easier to integrate this with your own software if you use the 64-bit version.
 
-   A 64-bit version built with mingw.  Use this for 64-bit Windows systems.  The 32-bit version will also work on Windows 64-bit. Both the 32-bit and the 64-bit version support files over 2 GB in size, but you may find it easier to integrate this with your own software if you use the 64-bit version.
+* `qpdf-<version>-bin-msvc32.exe` - If you want to program using qpdf's C++ interface and you are using a recent version of Microsoft Visual C++ in 32-bit mode, you can download this file.
 
-* `qpdf-<version>-bin-msvc32.zip`
+* `qpdf-<version>-bin-msvc64.exe` - If you want to program using qpdf's C++ interface and you are using a recent version of Microsoft Visual C++ in 64-bit mode, you can download this file.
 
-  If you want to program using qpdf's C++ interface and you are using Microsoft Visual C++ 2015 in 32-bit mode, you can download this file.
+Linux Binaries
 
-* `qpdf-<version>-bin-msvc64.zip`
+Virtually all Linux distributions include packages for qpdf. There is also a PPA for Ubuntu at https://launchpad.net/~qpdf/+archive/ubuntu/qpdf that includes the latest version of qpdf for recent versions of Ubuntu. However, there are some downloads available for Linux as well.
 
-  If you want to program using qpdf's C++ interface and you are using Microsoft Visual C++ 2015 in 64-bit mode, you can download this file.
+* `qpdf-<version>-x86_64.AppImage` - If you'd like to run the latest version of qpdf as an AppImage(https://appimage.org/), you can download this. This is a self-contained executable that you make symlink `qpdf` to and run on most reasonably recent Linux distributions. See README-appimage.md in the qpdf source distribution for additional details, or run the AppImage with the `--ai-usage` argument to get help specific to the AppImage.
 
-* `qpdf-external-libs-bin.zip`
+* `qpdf-<version>-bin-linux-x86_64.zip` - This is not intended to be an end-user distribution. It is a (nearly) stand-alone Linux binary, built using an Ubuntu LTS release. It contains the qpdf executables and shared libraries as well as dependent shared libraries that would not typically be present on a minimal system. This can be used to include qpdf in a minimal environment such as a docker container. It is also known to work as a layer in AWS Lambda and was initially created for that purpose.
 
-  If you want to build qpdf for Windows yourself with either MINGW or MSVC 2015, you can download this file and extract it inside the qpdf source distribution.  Please refer to README-windows.md in the qpdf source distribution for additional details.  Note that you need the 2017-08-21 version or later to be able to build qpdf 7.0 or newer. Generally grab the `external-libs` distribution that was the latest version at the time of the release of whichever version of qpdf you are building.
+Windows Build Support
 
-* `qpdf-external-libs-src.zip`
+If you are building on Windows and want to use pre-built external static libraries, you should obtain current versions from https://github.com/qpdf/external-libs/releases. The `external-libs` directory contains older versions that will not work with qpdf versions >= 10.0.2. Please see README-windows.md in the qpdf source distribution. The libraries from this distribution will not work with a Debug build with MSVC.
 
-  If you want to build the external libraries on your own (for Windows or anything else), you can download this archive. In addition to including an unmodified distribution `zlib` and the `jpeg` library, it includes a `README` file and some scripts to help you build it for Windows. You will also have to provide those.
-
-If you want to build on Windows, please see also README-windows.md in the qpdf source distribution.
+Documentation
 
+* `qpdf-<version>-doc.zip` - This is a downloadable version of the QPDF manual. An online version is hosted at https://qpdf.readthedocs.io.

_service:tar_scm:qpdf-8.4.2.tar.gz/README-windows.md -> _service:tar_scm:qpdf-11.1.0.tar.gz/README-windows.md Changed

@@ -3,7 +3,7 @@
 
 You may need to disable antivirus software to run qpdf's test suite. Running Windows Defender on Windows 10 does not interfere with building or running qpdf or its test suite.
 
-To be able to build qpdf and run its test suite, you must have MSYS2 installed. This replaces the old process of having a mixture of msys, mingw-w64, and ActiveState perl. It is now possible to do everything with just MSYS2.
+Starting with qpdf version 11, qpdf is built with cmake. You can build qpdf with Visual C++ in Release mode with the pre-built external-libraries distribution (described below) without having any additional tools installed. To run the test suite, you need MSYS2.
 
 Here's what I did on my system:
 
@@ -11,20 +11,23 @@
 * Run the installer.
 * Run msys2_shell.cmd by allowing the installer to start it.
 * From the prompt:
-  * Run `pacman -Syuu` and follow the instructions, which may tell you
+  * Run `pacman -Syu` and follow the instructions, which may tell you
     to close the window and rerun the command multiple times.
+  * Run `pacman -Su` to fully update.
   * `pacman -S make base-devel git zip unzip`
   * `pacman -S mingw-w64-x86_64-toolchain mingw-w64-i686-toolchain`
 
-If you would like to build with Microsoft Visual C++, install a suitable Microsoft Visual Studio edition. In early 2016, 2015 community edition with C++ support is fine. It may crash a few times during installation, but repeating the installation will allow it to finish, and the resulting software is stable.
+You need cmake. If you have Visual Studio installed, you can use the cmake that comes with it to build with both MSVC and mingw. You can also a install a native Windows cmake from cmake.org.
 
-To build qpdf with Visual Studio, start the msys2 mingw32 or mingw64 shell from a command window started from one of the Visual Studio shell windows. You must use the mingw shell for the same word size (32 or 64 bit) as the Windows compiler since the MSVC build uses objdump from the msys distribution. You must also have it inherit the path. For example:
+To build qpdf with Visual Studio from msys2 so you can run its test suite, start the msys2 mingw32 or mingw64 shell from a command window started from one of the Visual Studio shell windows. You must have it inherit the path. For example:
 
 * Start x64 native tools command prompt from msvc
 * `set MSYS2_PATH_TYPE=inherit`
 * `C:\msys64\mingw64`
 
-Image comparison tests are disabled by default, but it is possible to run them on Windows. To do so, add `--enable-test-compare-images` from the configure statements given below and install some additional third-party dependencies. These may be provided in an environment such as MSYS or Cygwin or can be downloaded separately for other environments. You may extract or install the following software into separate folders each and add the `bin` folder to your `PATH` environment variable to make executables and DLLs available. If installers are provided, they might do that already by default.
+For the test suite to work properly, your build directory must be on the same drive as your source directory. This is because there are parts of the test environment that create relative paths from one to the other. You can use a cross-drive symlink if needed.
+
+Image comparison tests are disabled by default, but it is possible to run them on Windows. To do so, set the `QPDF_TEST_COMPARE_IMAGES` environment variable to `1` and install the additional third-party dependencies described in the manual. These may be provided in an environment such as MSYS or Cygwin or can be downloaded separately for other environments. You may extract or install the following software into separate folders each and add the `bin` folder to your `PATH` environment variable to make executables and DLLs available. If installers are provided, they might do that already by default.
 
 * LibJpeg(http://gnuwin32.sourceforge.net/packages/jpeg.htm): This archive provides some needed DLLs needed by LibTiff.
 * LibTiff(http://gnuwin32.sourceforge.net/packages/tiff.htm): This archive provides some needed binaries and DLLs if you want to use the image comparison tests. It depends on some DLLs from LibJpeg.
@@ -32,76 +35,16 @@
 
 # External Libraries
 
-In order to build qpdf, you must have a copy of `zlib` and the `jpeg` library. The easy way to get it is to download the external libs from the qpdf download area. There are packages called `external-libs-bin.zip` and `external-libs-src.zip`. If you are building with MSVC 2015 or MINGW with MSYS2, you can just extract the `qpdf-external-libs-bin.zip` zip file into the top-level qpdf source tree. Note that you need the 2017-08-21 version (at least) to build qpdf 7.0 or greater since this includes jpeg. Passing `--enable-external-libs` to `./configure` (which is done automatically if you follow the instructions below) is sufficient to find them.
-
-You can also obtain `zlib` and `jpeg` directly on your own and install them. If you are using mingw, you can just set `CPPFLAGS`, `LDFLAGS`, and `LIBS` when you run ./configure so that it can find the header files and libraries. If you are building with MSVC and you want to do this, it probably won't work because `./configure` doesn't know how to interpret `LDFLAGS` and `LIBS` properly for MSVC (though qpdf's own build system does). In this case, you can probably get away with cheating by passing `--enable-external-libs` to `./configure` and then just editing `CPPFLAGS`, `LDFLAGS`, `LIBS` in the generated autoconf.mk file. Note that you should use UNIX-like syntax (`-I`, `-L`, `-l`) even though this is not what cl takes on the command line. qpdf's build rules will fix it.
-
-You can also download `qpdf-external-libs-src.zip` and follow the instructions in the README.txt there for how to build external libs.
-
-# Building from version control
-
-If you check out qpdf from version control, documentation files will not be generated or installed. Documentation files are included in the source distribution, but they can only be built from Linux.
-
-# Building with MinGW
-
-QPDF is known to build and pass its test suite with MSYS2 using the 32-bit and 64-bit compilers. MSYS2 is required to build as well in order to get make and other related tools. See common setup at the top of this file for installation and configuration of MSYS2. Then, from the suitable 32-bit or 64-bit environment, run
-
-```
-./config-mingw
-make
-```
-
-Note that `./config-mingw` just runs `./configure` with specific arguments, so you can look at it, make adjustments, and manually run configure instead.
-
-Add the absolute path to the `libqpdf/build` directory to your `PATH`. Make sure you can run the qpdf command by typing qpdf/build/qpdf and making sure you get a help message rather than an error loading the DLL or no output at all.  Run the test suite by typing
-
-```
-make check
-```
-
-If all goes well, you should get a passing test suite.
-
-To create an installation directory, run `make install`.  This will create `install-mingw/qpdf-VERSION` and populate it.  The binary download of qpdf for Windows with mingw is created from this directory.
+In order to build qpdf, you must have a copy of `zlib` and the `jpeg` library. You can download prebuilt static external libraries from the qpdf/external-libs github repository(https://github.com/qpdf/external-libs/releases). These include `zlib`, `jpeg`, and `openssl` libraries. For MSVC, you must use a non-debugging build configuration. There are files called `external-libs-bin.zip` and `external-libs-src.zip`. If you are building with a recent MSVC or MINGW with MSYS2, you can just extract the `qpdf-external-libs-bin.zip` zip file into the top-level qpdf source tree. The qpdf build detects the presence of the `external-libs` directory automatically. You don't need to set any cmake options.
 
-You can also take a look at `make_windows_releases` for reference.  This is how the distributed Windows executables are created.
+You can also obtain `zlib` and `jpeg` directly on your own and install them. Just make sure cmake can find them.
 
-# Building with MSVC 2015
+External libraries are built using GitHub Actions from the qpdf/external-libs(https://github.com/qpdf/external-libs) repository.
 
-These instructions would likely work with newer versions of MSVC and are known to have worked with versions as old as 2008 Express.
+# Running tools from the build area
 
-You should first set up your environment to be able to run MSVC from the command line.  There is usually a batch file included with MSVC that does this.  Make sure that you start a command line environment configured for whichever of 32-bit or 64-bit output that you intend to build for.
-
-From that cmd prompt, you can start your MSYS2 shell with path inheritance as described above.
-
-Configure and build as follows:
-
-```
-./config-msvc
-make
-```
-
-Note that `./config-msvc` just runs `./configure` with specific arguments, so you can look at it, make adjustments, and manually run configure instead.
-
-NOTE: automated dependencies are not generated with the msvc build. If you're planning on making modifications, you should probably work with mingw.  If there is a need, I can add dependency information to the msvc build, but since I only use it for generating release versions, I haven't bothered.
-
-Once built, add the full path to the `libqpdf/build` directory to your path and run
-
-```
-make check
-```
-
-to run the test suite.
-
-If you are building with MSVC and want to debug a crash in MSVC's debugger, first start an instance of Visual C++.  Then run qpdf.  When the abort/retry/ignore dialog pops up, first attach the process from within visual C++, and then click Retry in qpdf.
-
-A release version of qpdf is built by default.  If you want to link against debugging libraries, you will have to change `/MD` to `/MDd` in `make/msvc.mk`.  Note that you must redistribute the Microsoft runtime DLLs.  Linking with static runtime (`/MT`) won't work; see "Static Runtime" below for details.
+You can run qpdf's tests without modifying your PATH. If you want to manually run executables from the build tree on Windows, you need to add the `libqpdf` build directory to your path so it can find the qpdf DLL. This would typically be either `libqpdf` or `libqpdf/<CONFIG>` (e.g., `libqpdf/Release`) depending on which cmake generator you are using. Alternatively, you can disable `BUILD_SHARED_LIBS` for your Windows build. This will cause the executables to use the static qpdf library and not build a qpdf DLL at all.
 
 # Runtime DLLs
 
-Both build methods create executables and DLLs that are dependent on the compiler's runtime DLLs.  When you run make install, the installation process will automatically detect the DLLs and copy them into the installation bin directory.  Look at the `copy_dlls` script for details on how this is accomplished.
-
-Redistribution of the runtime DLL is unavoidable as of this writing; see "Static Runtime" below for details.
-
-# Static Runtime
-
-Building the DLL and executables with static runtime does not work with either Visual C++ .NET 2008 (a.k.a. vc9) using `/MT` or with mingw (at least as of 4.4.0) using `-static-libgcc`.  The reason is that, in both cases, there is static data involved with exception handling, and when the runtime is linked in statically, exceptions cannot be thrown across the DLL to EXE boundary.  Since qpdf uses exception handling extensively for error handling, we have no choice but to redistribute the C++ runtime DLLs.  Maybe this will be addressed in a future version of the compilers.  This has not been retested with the toolchain versions used to create qpdf >= 3.0 distributions. This has not been revisited since MSVC 2008, but redistributing runtime DLLs is extremely common and should not be a problem.
+Both build methods create executables and DLLs that are dependent on the compiler's runtime DLLs.  When you run `cmake --install` or `cpack`, the installation process will automatically detect the DLLs and copy them into the installation bin directory. For mingw, a perl script is used. For MSVC, `cmake`'s `InstallRequiredSystemLibraries` module is adequate.

_service:tar_scm:qpdf-8.4.2.tar.gz/README.md -> _service:tar_scm:qpdf-11.1.0.tar.gz/README.md Changed

@@ -1,11 +1,13 @@
-
 # QPDF
 
-!QPDF(logo/qpdf.svg)(http://qpdf.sourceforge.net)
+!QPDF(logo/qpdf.svg)(https://qpdf.sourceforge.io)
+
+!QPDF Build(https://github.com/qpdf/qpdf/workflows/QPDF%20Build/badge.svg)(https://github.com/qpdf/qpdf/actions)
+!Documentation Status(https://readthedocs.org/projects/qpdf/badge/?version=latest)(https://qpdf.readthedocs.io/en/latest/?badge=latest)
 
-!Azure Pipeline Build Status(https://dev.azure.com/qpdf/qpdf/_apis/build/status/qpdf.qpdf)(https://dev.azure.com/qpdf/qpdf/_build/latest?definitionId=5) !Travis Build Status(https://travis-ci.org/qpdf/qpdf.svg?branch=master)(https://travis-ci.org/qpdf/qpdf)
+QPDF is a command-line tool and C++ library that performs content-preserving transformations on PDF files. It supports linearization, encryption, and numerous other features. It can also be used for splitting and merging files, creating PDF files (but you have to supply all the content yourself), and inspecting files for study or analysis. QPDF does not render PDFs or perform text extraction, and it does not contain higher-level interfaces for working with page contents. It is a low-level tool for working with the structure of PDF files and can be a valuable tool for anyone who wants to do programmatic or command-line-based manipulation of PDF files.
 
-This is the QPDF package.  Information about it can be found at http://qpdf.sourceforge.net.  The source code repository is hosted at github: https://github.com/qpdf/qpdf.
+The QPDF Manual(https://qpdf.readthedocs.io) is hosted online at https://qpdf.readthedocs.io. The project website is https://qpdf.sourceforge.io. The source code repository is hosted at GitHub: https://github.com/qpdf/qpdf.
 
 # Verifying Distributions
 
@@ -13,11 +15,11 @@
 
 # Copyright, License
 
-QPDF is copyright (c) 2005-2019 Jay Berkenbilt
+QPDF is copyright (c) 2005-2022 Jay Berkenbilt
 
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
 
-  http://www.apache.org/licenses/LICENSE-2.0
+  https://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 
@@ -27,58 +29,99 @@
 
 # Prerequisites
 
-QPDF depends on the external libraries zlib(http://www.zlib.net/) and jpeg(http://www.ijg.org/files/). The libjpeg-turbo(https://libjpeg-turbo.org/) library is also known to work since it is compatible with the regular jpeg library, and QPDF doesn't use any interfaces that aren't present in the straight jpeg8 API. These are part of every Linux distribution and are readily available. Download information appears in the documentation. For Windows, you can download pre-built binary versions of these libraries for some compilers; see README-windows.md(README-windows.md) for additional details.
+QPDF requires a C++ compiler that supports C++-14.
+
+To compile and link something with qpdf, you can use `pkg-config` with package name `libqpdf` or `cmake` with package name `qpdf`. Here's an example of a `CMakeLists.txt` file that builds a program with the qpdf library:
+
+```
+cmake_minimum_required(VERSION 3.16)
+project(some-application LANGUAGES CXX)
+find_package(qpdf)
+add_executable(some-application some-application.cc)
+target_link_libraries(some-application qpdf::libqpdf)
+```
+
+QPDF depends on the external libraries zlib(https://www.zlib.net/) and jpeg(https://www.ijg.org/files/). The libjpeg-turbo(https://libjpeg-turbo.org/) library is also known to work since it is compatible with the regular jpeg library, and QPDF doesn't use any interfaces that aren't present in the straight jpeg8 API. These are part of every Linux distribution and are readily available. Download information appears in the documentation. For Windows, you can download pre-built binary versions of these libraries for some compilers; see README-windows.md(README-windows.md) for additional details.
+
+Depending on which crypto providers are enabled, then GnuTLS(https://www.gnutls.org/) and OpenSSL(https://openssl.org) may also be required. This is discussed more in `Crypto providers` below.
 
-QPDF requires a C++ compiler that works with STL.  Your compiler must also support `long long`.  Almost all modern compilers do.  If you are trying to port qpdf to a compiler that doesn't support `long long`, you could change all occurrences of `long long` to `long` in the source code, noting that this would break binary compatibility with other builds of qpdf.  Doing so would certainly prevent qpdf from working with files larger than 2 GB, but remaining functionality would most likely work fine.  If you built qpdf this way and it passed its test suite with large file support disabled, you could be confident that you had an otherwise working qpdf.
+Detailed information appears in the manual(https://qpdf.readthedocs.io/en/latest/installation.html).
 
 # Licensing terms of embedded software
 
-QPDF makes use of zlib and jpeg libraries for its functionality. These packages can be downloaded separately from their own download locations, or they can be downloaded in the external-libs area of the qpdf download site.
+QPDF makes use of zlib and jpeg libraries for its functionality. These packages can be downloaded separately from their own download locations. If the optional GnuTLS or OpenSSL crypto providers are enabled, then GnuTLS and/or OpenSSL are also required.
 
 Please see the NOTICE(NOTICE.md) file for information on licenses of embedded software.
 
-# Building from a pristine checkout
+# Crypto providers
+
+qpdf can use different crypto implementations. These can be selected at compile time or at runtime. The native crypto implementations that were used in all versions prior to 9.1.0 are still present, but they are not built into qpdf by default if any external providers are available at build time.
+
+The following providers are available:
+* `gnutls`: an implementation that uses the GnuTLS library to provide crypto; causes libqpdf to link with the GnuTLS library
+* `openssl`: an implementation that can use the OpenSSL (or BoringSSL) libraries to provide crypto; causes libqpdf to link with the OpenSSL library
+* `native`: a native implementation where all the source is embedded in qpdf and no external dependencies are required
+
+The default behavior is for cmake to discover which other crypto providers can be supported based on available external libraries, to build all available external crypto providers, and to use an external provider as the default over the native one. By default, the native crypto provider will be used only if no external providers are available. This behavior can be changed with various cmake options as described in the manual(https://qpdf.readthedocs.io/en/latest/installation.html#build-time-crypto-selection).
+
+## Note about weak cryptographic algorithms
 
-When building qpdf from a pristine checkout from version control, generated documentation files are not present. You may either generate them (by passing `--enable-doc-maintenance` to `./configure` and satisfying the extra build-time dependencies) or obtain them from a released source package, which includes them. If you want to grab just the files that are in the source distribution but not in the repository, extract a source distribution in a temporary directory, and run `make CLEAN=1 distfiles.zip`. This will create a file called `distfiles.zip`, which can you can extract in a checkout of the source repository. This step is optional unless you are running make install and want the html and PDF versions of the documentation to be installed.
+The PDF file format used to rely on RC4 for encryption. Using 256-bit keys always uses AES instead, and with 128-bit keys, you can elect to use AES. qpdf does its best to warn when someone is writing a file with weak cryptographic algorithms, but qpdf must always retain support for being able to read and even write files with weak encryption to be able to fully support older PDF files and older PDF readers.
 
 # Building from source distribution on UNIX/Linux
 
-For UNIX and UNIX-like systems, you can usually get by with just
+Starting with version 11, qpdf builds with cmake. The default configuration with cmake works on most systems. On Windows, you can build qpdf with Visual Studio using cmake without having any additional tools installed. However, to run the test suite, you need MSYS2, and you also need MSYS2 to build with mingw.
 
+Example UNIX/Linux build:
 ```
-./configure
-make
-make install
+cmake -S . -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo
+cmake --build build
 ```
 
-Packagers may set DESTDIR, in which case make install will install inside of DESTDIR, as is customary with many packages.  For more detailed general information, see the "INSTALL" file in this directory.  If you are already accustomed to building and installing software that uses autoconf, there's nothing new for you in the INSTALL file. Note that qpdf uses `autoconf` but not `automake`. We have our own system of Makefiles that allows cross-directory dependencies, doesn't use recursive make, and works better on non-UNIX platforms.
+Example mingw build from an MSYS2 mingw shell:
+```
+cmake -S . -B build -G 'MSYS Makefiles' -DCMAKE_BUILD_TYPE=RelWithDebInfo
+cmake --build build
+```
+
+Example MSVC build from an MSYS shell or from a Windows command shell with Visual Studio command-line tools in the path:
+```
+cmake -S . -B build
+cmake --build build --config Release
+```
+
+Installation can be done with `cmake --install`. Packages can be made with `cpack`.
+
+The tests use `qtest`, and the test driver is invoked by `ctest`. To see the real underlying tests, run `ctest --verbose` so that you can see `qtest`'s output. If you need to turn off qtest's color output, pass `-DQTEST_COLOR=0` to cmake.
+
+For additional information, please refer to the manual(https://qpdf.readthedocs.io/en/latest/installation.html).
 
 # Building on Windows
 
-QPDF is known to build and pass its test suite with mingw (latest version tested: gcc 7.2.0), mingw64 (latest version tested: 7.2.0) and Microsoft Visual C++ 2015, both 32-bit and 64-bit versions.  MSYS2 is required to build as well in order to get make and other related tools.  See README-windows.md(README-windows.md) for details on how to build under Windows.
+qpdf is known to build and pass its test suite with mingw and Microsoft Visual C++. Both 32-bit and 64-bit versions work. In addition to the manual, see README-windows.md(README-windows.md) for more details on how to build under Windows.
 
-# Additional Notes on Build
+# Building Documentation
 
-QPDF's build system, inspired by abuild(http://www.abuild.org), can optionally use its own built-in rules rather than using libtool and obeying the compiler specified with configure.  This can be enabled by passing `--with-buildrules=buildrules` where buildrules corresponds to one of the `.mk` files (other than `rules.mk`) in the make directory. This should never be necessary on a UNIX system, but may be necessary on a Windows system.  See README-windows.md(README-windows.md) for details.  There is a `gcc-linux.mk` file enable `gcc-linux` build rules, but it is intended to help test the build system; Linux users should build with the `libtools` rules, which are enabled by default.
+The QPDF manual is written in reStructured Text format and is build with sphinx(https://www.sphinx-doc.org). The sources to the user manual can be found in the `manual` directory. For more detailed information, consult the Building and Installing QPDF section of the manual(https://qpdf.readthedocs.io/en/latest/installation.html) or consult the build-doc script(build-scripts/build-doc).
 
-The QPDF package provides some executables and a software library.  A user manual can be found in the "doc" directory.  The docbook sources to the user manual can be found in the `manual` directory.
+# Additional Notes on Build
 
-The software library is just `libqpdf`, and all the header files are in the `qpdf` subdirectories of `include` and `libqpdf`. If you link statically with `-lqpdf`, then you will also need to link with `-lz` and `-ljpeg`. The shared qpdf library is linked with `-lz` and `-ljpeg`, none of qpdf's public header files directly include files from `libz`, and only `Pl_DCT.hh` includes files from `libjpeg`, so for most cases, qpdf's development files are self contained. If you need to use `Pl_DCT` in your application code, you will need to have the header files for some libjpeg distribution in your include path.
+qpdf provides cmake configuration files and pkg-config files. They support static and dynamic linking. In general, you do not need the header files from qpdf's dependencies to be available to builds that _use_ qpdf. The only exception to this is that, if you include `Pl_DCT.hh`, you need header files from `libjpeg`. Since this is a rare case, qpdf's cmake and pkg-config files do not automatically add a JPEG include path to the build. If you are using `Pl_DCT` explicitly, you probably already have that configured in your build.
 
-To learn about using the library, please read comments in the header files in `include/qpdf`, especially `QPDF.hh`, `QPDFObjectHandle.hh`, and
-`QPDFWriter.hh`. These are the best sources of documentation on the API.  You can also study the code of `qpdf/qpdf.cc`, which exercises most of the public interface.  There are additional example programs in the examples directory.  Reading all the source files in the `qpdf` directory (including the qpdf command-line tool and some test drivers) along with the code in the examples directory will give you a complete picture of every aspect of the public interface.
+To learn about using the library, please read comments in the header files in include/qpdf(include/qpdf/), especially QPDF.hh(include/qpdf/QPDF.hh), QPDFObjectHandle.hh(include/qpdf/QPDFObjectHandle.hh), and
+QPDFWriter.hh(include/qpdf/QPDFWriter.hh). These are the best sources of documentation on the API.  You can also study the code of QPDFJob.cc(libqpdf/QPDFJob.cc), which exercises most of the public interface.  There are additional example programs in the examples(examples/) directory.
 
 # Additional Notes on Test Suite
 
-By default, slow tests and tests that require dependencies beyond those needed to build qpdf are disabled.  Slow tests include image comparison tests and large file tests.  Image comparison tests can be enabled by passing `--enable-test-compare-images` to ./configure.  This was on by default in qpdf versions prior to 3.0, but is now off by default.  Large file tests can be enabled by passing `--with-large-file-test-path=path` to `./configure` or by setting the `QPDF_LARGE_FILE_TEST_PATH` environment variable.  On Windows, this should be a Windows path.  Run `./configure --help` for additional options.  The test suite provides nearly full coverage even without these tests.  Unless you are making deep changes to the library that would impact the contents of the generated PDF files or testing this on a new platform for the first time, there is no real reason to run these tests.  If you're just running the test suite to make sure that qpdf works for your build, the default tests are adequate.  The configure rules for these tests do nothing other than setting variables in `autoconf.mk`, so you can feel free to turn these on and off directly in `autoconf.mk` rather than rerunning configure.
+By default, slow tests and tests that require dependencies beyond those needed to build qpdf are disabled.  Slow tests include image comparison tests and large file tests.  Image comparison tests can be enabled by setting the `QPDF_TEST_COMPARE_IMAGES` environment variable to `1`. Large file tests can be enabled setting the `QPDF_LARGE_FILE_TEST_PATH` environment variable to the absolute path of a directory with at least 11 GB of free space that can handle files over 4 GB in size.  On Windows, this should be a Windows path (e.g. `C:\LargeFileTemp` even if the build is being run from an MSYS2 environment.  The test suite provides nearly full coverage even without these tests.  Unless you are making deep changes to the library that would impact the contents of the generated PDF files or testing this on a new platform for the first time, there is no real reason to run these tests.  If you're just running the test suite to make sure that qpdf works for your build, the default tests are adequate.
 
-If you are packaging qpdf for a distribution and preparing a build that is run by an autobuilder, you may want to add the `--enable-show-failed-test-output` to configure options.  This way, if the test suite fails, test failure detail will be included in the build output.  Otherwise, you will have to have access to the `qtest.log` file from the build to view test failures.  The debian packages for qpdf enable this option.
+If you are packaging qpdf for a distribution and preparing a build that is run by an autobuilder, you may want to pass `-DSHOW_FAILED_TEST_OUTPUT=1` to `cmake` and run `ctest` with the `--verbose` or `--output-on-failure` option.  This way, if the test suite fails, test failure detail will be included in the build output.  Otherwise, you will have to have access to the `qtest.log` file from the build to view test failures.  The Debian packages for qpdf enable this option. More notes for packagers can be found in the manual(https://qpdf.readthedocs.io/en/latest/packaging.html).
 
 # Random Number Generation
 
-By default, when `qpdf` detects either the Windows cryptography API or the existence of `/dev/urandom`, `/dev/arandom`, or `/dev/random`, it uses them to generate cryptography secure random numbers.  If none of these conditions are true, the build will fail with an error.  This behavior can be modified in several ways:
-* If you configure with `--disable-os-secure-random` or define `SKIP_OS_SECURE_RANDOM`, qpdf will not attempt to use Windows cryptography or the random device.  You must either supply your own random data provider or allow use of insecure random numbers.
-* If you configure qpdf with the `--enable-insecure-random` option or define `USE_INSECURE_RANDOM`, qpdf will try insecure random numbers if OS-provided secure random numbers are disabled.  This is not a fallback.  In order for insecure random numbers to be used, you must also disable OS secure random numbers since, otherwise, failure to find OS secure random numbers is a compile error.  The insecure random number source is stdlib's `random()` or `rand()` calls. These random numbers are not cryptography secure, but the qpdf library is fully functional using them.  Using non-secure random numbers means that it's easier in some cases to guess encryption keys.  If you're not generating encrypted files, there's no advantage to using secure random numbers.
-* In all cases, you may supply your own random data provider.  To do this, derive a class from `qpdf/RandomDataProvider` (since version 5.1.0) and call `QUtil::setRandomDataProvider` before you create any `QPDF` objects.  If you supply your own random data provider, it will always be used even if support for one of the other random data providers is compiled in.  If you wish to avoid any possibility of your build of qpdf from using anything but a user-supplied random data provider, you can define `SKIP_OS_SECURE_RANDOM` and not `USE_INSECURE_RANDOM`.  In this case, qpdf will throw a runtime error if any attempt is made to generate random numbers and no random data provider has been supplied.
+By default, qpdf uses the crypto provider for generating random numbers. The rest of this applies only if you are using the native crypto provider.
 
-If you are building qpdf on a platform that qpdf doesn't know how to generate secure random numbers on, a patch would be welcome.
+If the native crypto provider is in use, then, when `qpdf` detects either the Windows cryptography API or the existence of `/dev/urandom`, `/dev/arandom`, or `/dev/random`, it uses them to generate cryptographically secure random numbers.  If none of these conditions are true, the build will fail with an error.  This behavior can be modified in several ways:
+* If you use the cmake option `SKIP_OS_SECURE_RANDOM` or define the `SKIP_OS_SECURE_RANDOM` preprocessor symbol, qpdf will not attempt to use Windows cryptography or the random device.  You must either supply your own random data provider or allow use of insecure random numbers.
+* If you turn on the cmake option `USE_INSECURE_RANDOM` or define the `USE_INSECURE_RANDOM` preprocessor symbol, qpdf will try insecure random numbers if OS-provided secure random numbers are disabled.  This is not a fallback.  In order for insecure random numbers to be used, you must also disable OS secure random numbers since, otherwise, failure to find OS secure random numbers is a compile error.  The insecure random number source is stdlib's `random()` or `rand()` calls. These random numbers are not cryptography secure, but the qpdf library is fully functional using them.  Using non-secure random numbers means that it's easier in some cases to guess encryption keys.
+* In all cases, you may supply your own random data provider.  To do this, derive a class from `qpdf/RandomDataProvider` (since version 5.1.0) and call `QUtil::setRandomDataProvider` before you create any `QPDF` objects.  If you supply your own random data provider, it will always be used even if support for one of the other random data providers is compiled in.  If you wish to avoid any possibility of your build of qpdf from using anything but a user-supplied random data provider, you can define `SKIP_OS_SECURE_RANDOM` and not `USE_INSECURE_RANDOM`.  In this case, qpdf will throw a runtime error if any attempt is made to generate random numbers and no random data provider has been supplied.

_service:tar_scm:qpdf-8.4.2.tar.gz/TODO -> _service:tar_scm:qpdf-11.1.0.tar.gz/TODO Changed

@@ -1,62 +1,249 @@
-Soon
-====
 
- * Set up OSS-Fuzz (Google). See starred email in qpdf label.
+Always
+======
+
+* Evaluate issues tagged with `next` and `bug`. Remember to check
+  discussions and pull requests in addition to regular issues.
+* When close to release, make sure external-libs is building and
+  follow instructions in ../external-libs/README
 
- * Investigate whether there is a way to automate the memory checker
-   tests for Windows, and consider running the memory checks in the
-   automated test pipeline.
+Next
+====
 
-Next ABI
-========
+* Break ground on "Document-level work"
 
-Do these things next time we have to break binary compatibility
+Possible future JSON enhancements
+=================================
 
- * Pl_Buffer's internal structure is not right for what it does. It
-   was modified for greater efficiency, but it was done in a way that
-   preserved binary compatibility, so the implementation is a bit
-   convoluted.
+* Consider not including unreferenced objects and trimming the trailer
+  in the same way that QPDFWriter does (except don't remove `/ID`).
+  This means excluding the linearization dictionary and hint stream,
+  the encryption dictionary, all keys from trailer that are removed by
+  QPDFWriter::getTrimmedTrailer except `/ID`, any object streams, and
+  the xref stream as long as all those objects are unreferenced. (They
+  always should be, but there could be some bizarre case of someone
+  creating a PDF file that has an indirect reference to one of those,
+  in which case we need to preserve it.) If this is done, make
+  `--preserve-unreferenced` preserve unreference objects and also
+  those extra keys. Search for "linear" and "trailer" in json.rst to
+  update the various places in the documentation that discuss this.
+  Also update the help for --json and --preserve-unreferenced.
 
- * Rename QUtil::strcasecmp since strcasecmp is a macro on some
-   platforms. See #242.
+* Add to JSON output the information available from a few additional
+  informational options:
 
- * Get rid of the version of QPDF::copyForeignObject with the bool
-   unused parameter.
+  * --check: add but maybe not by default?
 
- * Remove version of QPDFTokenizer::expectInlineImage with no
-   arguments.
+  * --show-linearization: add but maybe not by default? Also figure
+    out whether warnings reported for some of the PDF specs (1.7) are
+    qpdf problems. This may not be worth adding in the first
+    increment.
 
- * Consider whether to build with -fvisibility=hidden by default. See
-   #302 for discussion.
+  * --show-xref: add
 
- * Consider dealing with integer sizes in the API. Build with
-   -Wconversion -Wsign-conversion to see warnings. We won't be able to
-   resolve all, but we can possibly convert some things from int to
-   either size_t or qpdf_offset_t. Only do this if it doesn't break
-   source compatibility.
+* Consider having --check, --show-encryption, etc., just select the
+  right keys when in json mode. I don't think I want check on by
+  default, so that might be different.
 
-Lexical
+* Consider having warnings be included in the json in a "warnings" key
+  in json mode.
+
+QPDFJob
 =======
 
- * Make it possible to run the lexer (tokenizer) over a whole file
-   such that the following things would be possible:
-
-   * Rewrite fix-qdf in C++ so that there is no longer a runtime perl
-     dependency
-
-   * Make it possible to replace all strings in a file lexically even
-     on badly broken files. Ideally this should work files that are
-     lacking xref, have broken links, etc., and ideally it should work
-     with encrypted files if possible. This should go through the
-     streams and strings and replace them with fixed or random
-     characters, preferably, but not necessarily, in a manner that
-     works with fonts. One possibility would be to detect whether a
-     string contains characters with normal encoding, and if so, use
-     0x41. If the string uses character maps, use 0x01. The output
-     should otherwise be unrelated to the input. This could be built
-     after the filtering and tokenizer rewrite and should be done in a
-     manner that takes advantage of the other lexical features. This
-     sanitizer should also clear metadata and replace images.
+Here are some ideas for QPDFJob that didn't make it into 10.6. Not all
+of these are necessarily good -- just things to consider.
+
+* How do we chain jobs? The idea would be that the input and/or output
+  of a QPDFJob could be a QPDF object rather than a file. For input,
+  it's pretty easy. For output, none of the output-specific options
+  (encrypt, compress-streams, objects-streams, etc.) would have any
+  affect, so we would have to treat this like inspect for error
+  checking. The QPDF object in the state where it's ready to be sent
+  off to QPDFWriter would be used as the input to the next QPDFJob.
+  For the job json, I think we can have the output be an identifier
+  that can be used as the input for another QPDFJob. For a json file,
+  we could the top level detect if it's an array with the convention
+  that exactly one has an output, or we could have a subkey with other
+  job definitions or something. Ideally, any input
+  (copy-attachments-from, pages, etc.) could use a QPDF object. It
+  wouldn't surprise me if this exposes bugs in qpdf around foreign
+  streams as this has been a relatively fragile area before.
+
+Documentation
+=============
+
+* Do a full pass through the documentation.
+
+  * Make sure `qpdf` is consistent. Use QPDF when just referring to
+    the package.
+  * Make sure markup is consistent
+  * Autogenerate where possible
+  * Consider which parts might be good candidates for moving to the
+    wiki.
+
+* Commit 'Manual - enable line wrapping in table cells' from
+  Mon Jan 17 12:22:35 2022 +0000 enables table cell wrapping. See if
+  this can be incorporated directly into sphinx_rtd_theme and the
+  workaround can be removed.
+
+* When possible, update the debian package to include docs again. See
+  https://bugs.debian.org/1004159 for details.
+
+Document-level work
+===================
+
+* Ideas here may by superseded by #593.
+
+* QPDFPageCopier -- object for moving pages around within files or
+  between files and performing various transformations. Reread/rewrite
+  _page-selection in the manual if needed.
+
+  * Handle all the stuff of pages and split-pages
+  * Do n-up, booklet, collation
+  * Look through cli and see what else...flatten-*?
+  * See comments in QPDFPageDocumentHelper.hh for addPage -- search
+    for "a future version".
+  * Make it efficient for bulk operations
+  * Make certain doc-level features selectable
+  * qpdf.cc should do all its page operations, including
+    overlay/underlay, splitting, and merging, using this
+  * There should also be example code
+
+* After doc-level checks are in, call --check on the output files in
+  the "Copy Annotations" tests.
+
+* Document-level checks. For example, for forms, make sure all form
+  fields point to an annotation on exactly one page as well as that
+  all widget annotations are associated with a form field. Hook this
+  into QPDFPageCopier as well as the doc helpers. Make sure it is
+  called from --check.
+
+* See also issues tagged with "pages"
+
+* Add flags to CLI to select which document-level options to
+  preserve or not preserve. We will probably need a pair of mutually
+  exclusive, repeatable options with a way to specify all, none, only
+  {x,y}, or all but {x,y}.
+
+* If a page contains a reference a file attachment annotation, when
+  that page is copied, if the file attachment appears in the top-level
+  EmbeddedFiles tree, that entry should be preserved in the
+  destination file. Otherwise, we probably will require the use of
+  --copy-attachments-from to preserve these. What will the strategy be
+  for deduplicating in the automatic case?
+
+Text Appearance Streams
+=======================
+
+This is a list of known issues with text appearance streams and things
+we might do about it.
+
+* For variable text, the spec says to pull any resources from /DR that
+  are referenced in /DA but if the resource dictionary already has
+  that resource, just use the one that's there. The current code looks
+  only for /Tf and adds it if needed. We might want to instead merge
+  /DR with resources and then remove anything that's unreferenced. We
+  have all the code required for that in ResourceFinder except
+  TfFinder also gets the font size, which ResourceFinder doesn't do.
+
+* There are things we are missing because we don't look at font
+  metrics. The code from TextBuilder (work) has almost everything in
+  it that is required. Once we have knowledge of character widths, we
+  can support quadding and multiline text fields (/Ff 4096), and we
+  can potentially squeeze text to fit into a field. For multiline,
+  first squeeze vertically down to the font height, then squeeze
+  horizontally with Tz. For single line, squeeze horizontally with Tz.
+  If we use Tz, issue a warning.
+
+* When mapping characters to widths, we will need to care about
+  character encoding. For built-in fonts, we can create a map from
+  Unicode code point to width and then go from the font's encoding to
+  unicode to the width. See misc/character-encoding/ (not on github)
+  and font metric information for the 14 standard fonts in my local
+  pdf-spec directory.
+
+* Once we know about character widths, we can correctly support
+  auto-sized variable text fields (0 Tf). If this is fixed, search for
+  "auto-sized" in cli.rst.
+
+Fuzz Errors
+===========
+
+* https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=<N>
+
+* Ignoring these:
+  * Out of memory in dct: 35001, 32516
+
+External Libraries
+==================
+
+Current state (10.0.2):
+
+* qpdf/external-libs repository builds external-libs on a schedule.
+  It detects and downloads the latest versions of zlib, jpeg, and
+  openssl and creates source and binary distribution zip files in an
+  artifact called "distribution".
+
+* Releases in qpdf/external-libs are made manually. They contain
+  qpdf-external-libs-{bin,src}.zip.
+
+* The qpdf build finds the latest non-prerelease release and downloads
+  the qpdf-external-libs-*.zip files from the releases in the setup
+  stage.
+
+* To upgrade to a new version of external-libs, create a new release
+  of qpdf/external-libs (see README-maintainer in external-libs) from
+  the distribution artifact of the most recent successful build after
+  ensuring that it works.
+
+Desired state:
+
+* The qpdf/external-libs repository should create release candidates.
+  Ideally, every scheduled run would make its zip files available. A
+  personal access token with actions:read scope for the
+  qpdf/external-libs repository is required to download the artifact
+  from an action run, and qpdf/qpdf's secrets.GITHUB_TOKEN doesn't
+  have this access. We could create a service account for this
+  purpose. As an alternative, we could have a draft release in
+  qpdf/external-libs that the qpdf/external-libs build could update
+  with each candidate. It may also be possible to solve this by
+  developing a simple GitHub app.
+
+* Scheduled runs of the qpdf build in the qpdf/qpdf repository (not a
+  fork or pull request) could download external-libs from the release
+  candidate area instead of the latest stable release. Pushes to the
+  build branch should still use the latest release so it always
+  matches the main branch.
+
+* Periodically, we would create a release of external-libs from the
+  release candidate zip files. This could be done safely because we
+  know the latest qpdf works with it. This could be done at least
+  before every release of qpdf, but potentially it could be done at
+  other times, such as when a new dependency version is available or
+  after some period of time.
+
+Other notes:
+
+* The external-libs branch in qpdf/qpdf was never documented. We might
+  be able to get away with deleting it.
+
+* See README-maintainer in qpdf/external-libs for information on
+  creating a release. This could be at least partially scripted in a
+  way that works for the qpdf/qpdf repository as well since they are
+  very similar.
+
+ABI Changes
+===========
+
+This is a list of changes to make next time there is an ABI change.
+Comments appear in the code prefixed by "ABI". Always Search for ABI
+in source and header files to find items not listed here. Also search
+for "deprecated" to find deprecated APIs that can be removed.
+
+* As long as QPDF disallows copying, its Members could be a unique_ptr
+  instead of a shared_ptr. There may be other classes that could also
+  be converted.
 
 Page splitting/merging
 ======================
@@ -74,6 +261,7 @@
      or splitting
    * make sure conflicting named destinations work possibly test by
      including the same file by two paths in a merge
+   * see also comments in issue 343
 
    Note: original implementation of bookmark preservation for split
    pages caused a very high performance hit. The problem was
@@ -113,296 +301,517 @@
      numbered with upper-case Roman numerals starting with 0. All
      titles are silly words preceded by a bullet.
 
+   If outline handling is significantly improved, see
+   ../misc/bad-outlines/bad-outlines.pdf and email:
+   https://mail.google.com/mail/u/0/#search/rfc822msgid%3A02aa01d3d013%249f766990%24de633cb0%24%40mono.hr)
+
  * Form fields: should be similar to outlines.
 
+Analytics
+=========
+
+Consider features that make it easier to detect certain patterns in
+PDF files. The information below could be computed using an external
+program that reads the existing json, but if it's useful enough, we
+could add it directly to the json output.
+
+ * Add to "pages" in the json:
+   * "inheritsresources": bool; whether there are any inherited
+     attributes from ancestor page tree nodes
+   * "sharedresources": a list of indirect objects that are
+     "/Resources" dictionaries or "XObject" resource dictionary subkeys
+     of either the page itself or of any form XObject referenced by the
+     page.
+
+ * Add to "objectinfo" in json: "directpagerefcount": the number of
+   pages that directly reference this object (i.e., you can find an
+   indirect reference to the object in the page dictionary without
+   traversing over any indirect objects)
+
 General
 =======
 
 NOTE: Some items in this list refer to files in my personal home
 directory or that are otherwise not publicly accessible. This includes
 things sent to me by email that are specifically not public. Even so,
-I find it useful to make reference to them in this list
-
- * Add support for writing name and number trees
-
- * Figure out how to render Gajić correctly in the PDF version of the
-   qpdf manual.
-
- * Decide whether errors thrown by checkLinearization should be
-   converted to warnings. Take a pass through the linearization code
-   to see whether it's correct. Be able to view linearization data
-   even when there are errors. See linearization label in github.
-
- * Consider creating a PPA for Ubuntu
-
- * Support user-pluggable stream filters.  This would enable external
-   code to provide interpretation for filters that are missing from
-   qpdf.  Make it possible for user-provided filters to override
-   built-in filters.  Make sure that the pluggable filters can be
-   prioritized so that we can poll all registered filters to see
-   whether they are capable of filtering a particular stream.
-
- * If possible, consider adding CCITT3, CCITT4, or any other easy
-   filters. For some reference code that we probably can't use but may
-   be handy anyway, see
-   http://partners.adobe.com/public/developer/ps/sdk/index_archive.html
-
- * If possible, support the following types of broken files:
-
-    - Files that have no whitespace token after "endobj" such that
-      endobj collides with the start of the next object
-
-    - See ../misc/broken-files
-
- * Additional form features
-   * set value from CLI? Specify title, and provide way to
-     disambiguate, probably by giving objgen of field
-
- * replace mode: --replace-object, --replace-stream-raw,
-   --replace-stream-filtered
-   * update first paragraph of QPDF JSON in the manual to mention this
-   * object numbers are not preserved by write, so object ID lookup
-     has to be done separately for each invocation
-   * you don't have to specify length for streams
-   * you only have to specify filtering for streams if providing raw data
-
- * Pl_TIFFPredictor is pretty slow.
-
- * Support for handling file names with Unicode characters in Windows
-   is incomplete. qpdf seems to support them okay from a functionality
-   standpoint, and the right thing happens if you pass in UTF-8
-   encoded filenames to QPDF library routines in Windows (they are
-   converted internally to wchar_t*), but file names are encoded in
-   UTF-8 on output, which doesn't produce nice error messages or
-   output on Windows in some cases.
-
- * If we ever wanted to do anything more with character encoding, see
-   ../misc/character-encoding/, which includes machine-readable dump
-   of table D.2 in the ISO-32000 PDF spec. This shows the mapping
-   between Unicode, StandardEncoding, WinAnsiEncoding,
-   MacRomanEncoding, and PDFDocEncoding.
-
- * Some test cases on bad files fail because qpdf is unable to find
-   the root dictionary when it fails to read the trailer. Recovery
-   could find the root dictionary and even the info dictionary in
-   other ways. In particular, issue-202.pdf can be opened by evince,
-   and there's no real reason that qpdf couldn't be made to be able to
-   recover that file as well.
-
- * Audit every place where qpdf allocates memory to see whether there
-   are cases where malicious inputs could cause qpdf to attempt to
-   grab very large amounts of memory. Certainly there are cases like
-   this, such as if a very highly compressed, very large image stream
-   is requested in a buffer. Hopefully normal input to output
-   filtering doesn't ever try to do this. QPDFWriter should be checked
-   carefully too. See also bugs/private/from-email-663916/
-
- * Interactive form modification:
-   https://github.com/qpdf/qpdf/issues/213 contains a good discussion
-   of some ideas for adding methods to modify annotations and form
-   fields if we want to make it easier to support modifications to
-   interactive forms. Some of the ideas have been implemented, and
-   some of the probably never will be implemented, but it's worth a
-   read if there is an intention to work on this. In the issue, search
-   for "Regarding write functionality", and read that comment and the
-   responses to it.
-
- * Look at ~/Q/pdf-collection/forms-from-appian/
-
- * Consider adding "uninstall" target to makefile. It should only
-   uninstall what it installed, which means that you must run
-   uninstall from the version you ran install with. It would only be
-   supported for the toolchains that support the install target
-   (libtool).
-
- * Provide support in QPDFWriter for writing incremental updates.
-   Provide support in qpdf for preserving incremental updates.  The
-   goal should be that QDF mode should be fully functional for files
-   with incremental updates including fix_qdf.
-
-   Note that there's nothing that says an indirect object in one
-   update can't refer to an object that doesn't appear until a later
-   update.  This means that QPDF has to treat indirect null objects
-   differently from how it does now.  QPDF drops indirect null objects
-   that appear as members of arrays or dictionaries.  For arrays, it's
-   handled in QPDFWriter where we make indirect nulls direct.  This is
-   in a single if block, and nothing else in the code cares about it.
-   We could just remove that if block and not break anything except a
-   few test cases that exercise the current behavior.  For
-   dictionaries, it's more complicated.  In this case,
-   QPDF_Dictionary::getKeys() ignores all keys with null values, and
-   hasKey() returns false for keys that have null values.  We would
-   probably want to make QPDF_Dictionary able to handle the special
-   case of keys that are indirect nulls and basically never have it
-   drop any keys that are indirect objects.
-
-   If we make a change to have qpdf preserve indirect references to
-   null objects, we have to note this in ChangeLog and in the release
-   notes since this will change output files.  We did this before when
-   we stopped flattening scalar references, so this is probably not a
-   big deal.  We also have to make sure that the testing for this
-   handles non-trivial cases of the targets of indirect nulls being
-   replaced by real objects in an update.  I'm not sure how this plays
-   with linearization, if at all.  For cases where incremental updates
-   are not being preserved as incremental updates and where the data
-   is being folded in (as is always the case with qpdf now), none of
-   this should make any difference in the actual semantics of the
-   files.
-
- * When decrypting files with /R=6, hash_V5 is called more than once
-   with the same inputs.  Caching the results or refactoring to reduce
-   the number of identical calls could improve performance for
-   workloads that involve processing large numbers of small files.
-
- * Consider adding a method to balance the pages tree.  It would call
-   pushInheritedAttributesToPage, construct a pages tree from scratch,
-   and replace the /Pages key of the root dictionary with the new
-   tree.
-
- * Secure random number generation could be made more efficient by
-   using a local static to ensure a single random device or crypt
-   provider as long as this can be done in a thread-safe fashion.  In
-   the initial implementation, this is being skipped to avoid having
-   to add any dependencies on threading libraries.
-
- * Study what's required to support savable forms that can be saved by
-   Adobe Reader.  Does this require actually signing the document with
-   an Adobe private key?  Search for "Digital signatures" in the PDF
-   spec, and look at ~/Q/pdf-collection/form-with-full-save.pdf, which
-   came from Adobe's example site.
-
- * Consider the possibility of doing something locale-aware to support
-   non-ASCII passwords. Update documentation if this is done. Consider
-   implementing full Unicode password algorithms from newer encryption
-   formats. See ../misc/unicode-password*. If code is added to
-   properly encode Unicode passwords, figure out how to deal with
-   backward compatibility. Either require some additional flag to
-   decode the password or provide a `--raw-password` flag to suppress
-   decoding. While automatically encoding breaks backward
-   compatibility, it's probably the right behavior because the current
-   behavior is arguably a bug. Alternatively, if the password doesn't
-   work as a raw password and contains characters outside US-ASCII,
-   try various encoding methods to see if any work. See section
-   7.6.3.3, algorithms 2 and 2A, in the ISO spec for details. (This is
-   tracked in https://github.com/qpdf/qpdf/issues/215.)
-
- * See if we can avoid preserving unreferenced objects in object
-   streams even when preserving the object streams.
-
- * Provide APIs for embedded files.  See *attachments*.pdf in test
-   suite.  The private method findAttachmentStreams finds at least
-   cases for modern versions of Adobe Reader (>= 1.7, maybe earlier).
-   PDF Reference 1.7 section 3.10, "File Specifications", discusses
-   this.
-
-   A sourceforge user asks if qpdf can handle extracting and embedded
-   resources and references these tools, which may be useful as a
-   reference.
-
-   http://multivalent.sourceforge.net/Tools/pdf/Extract.html
-   http://multivalent.sourceforge.net/Tools/pdf/Embed.html
-
- * The description of Crypt filters is unclear with respect to how to
-   use them to override /StmF for specific streams.  I'm not sure
-   whether qpdf will do the right thing for any specific individual
-   streams that might have crypt filters, but I believe it does based
-   on my testing of a limited subset.  The specification seems to imply
-   that only embedded file streams and metadata streams can have crypt
-   filters, and there are already special cases in the code to handle
-   those.  Most likely, it won't be a problem, but someday someone may
-   find a file that qpdf doesn't work on because of crypt filters.
-   There is an example in the spec of using a crypt filter on a
-   metadata stream.
-
-   For now, we notice /Crypt filters and decode parameters consistent
-   with the example in the PDF specification, and the right thing
-   happens for metadata filters that happen to be uncompressed or
-   otherwise compressed in a way we can filter.  This should handle
-   all normal cases, but it's more or less just a guess since I don't
-   have any test files that actually use stream-specific crypt filters
-   in them.
-
- * The second xref stream for linearized files has to be padded only
-   because we need file_size as computed in pass 1 to be accurate.  If
-   we were not allowing writing to a pipe, we could seek back to the
-   beginning and fill in the value of /L in the linearization
-   dictionary as an optimization to alleviate the need for this
-   padding.  Doing so would require us to pad the /L value
-   individually and also to save the file descriptor and determine
-   whether it's seekable.  This is probably not worth bothering with.
-
- * The whole xref handling code in the QPDF object allows the same
-   object with more than one generation to coexist, but a lot of logic
-   assumes this isn't the case.  Anything that creates mappings only
-   with the object number and not the generation is this way,
-   including most of the interaction between QPDFWriter and QPDF.  If
-   we wanted to allow the same object with more than one generation to
-   coexist, which I'm not sure is allowed, we could fix this by
-   changing xref_table.  Alternatively, we could detect and disallow
-   that case.  In fact, it appears that Adobe reader and other PDF
-   viewing software silently ignores objects of this type, so this is
-   probably not a big deal.
-
- * Based on an idea suggested by user "Atom Smasher", consider
-   providing some mechanism to recover earlier versions of a file
-   embedded prior to appended sections.
-
- * From a suggestion in bug 3152169, consider having an option to
-   re-encode inline images with an ASCII encoding. This is also
-   https://github.com/qpdf/qpdf/issues/278. It would be interesting to
-   make optimize-images work with inline images.
-
- * From github issue 2, provide more in-depth output for examining
-   hint stream contents. Consider adding on option to provide a
-   human-readable dump of linearization hint tables. This should
-   include improving the 'overflow reading bit stream' message as
-   reported in issue #2. There are multiple calls to stopOnError in
-   the linearization checking code. Ideally, these should not
-   terminate checking. It would require re-acquiring an understanding
-   of all that code to make the checks more robust. In particular,
-   it's hard to look at the code and quickly determine what is a true
-   logic error and what could happen because of malformed user input.
-   See also ../misc/linearization-errors.
-
- * There are a few known limitations of copying foreign streams. These
-   are somewhat discussed in github issue 219. They are most likely
-   not worth fixing.
-
-   * The original pipeStreamData in QPDF_Stream has various logic for
-     reporting warnings and letting the caller retry. This logic is
-     not implemented for stream data providers. When copying foreign
-     streams, qpdf uses a stream data provider
-     (QPDF::CopiedStreamDataProvider) to read the stream data from the
-     original file. While a warning is issued for that case, there is
-     no way to actually propagate failure information back through
-     because StreamDataProvider::provideStreamData doesn't take the
-     suppress_warnings or will_retry options, and adding them would
-     break source compatibility.
-
-   * When copying streams that use StreamDataProvider provider, the
-     original QPDF object must still be kept around. This is the case
-     of where QPDF q1 has a stream for which replaceStreamData was
-     called to provide a StreamDataProvider, and then that stream from
-     q1 was subsequently copied to q2. In that case, q1 must be kept
-     around until q2 is written. That is a pretty unusual case as,
-     most of the time, people could just attach the stream data
-     provider directly to the q2. That said, it actually appears in
-     qpdf itself. qpdf allows you to combine the --pages and --split
-     options. In that case, a merged file, which uses
-     StreamDataProvider to access the original stream, is subsequently
-     copied to the final split output files. Solving this restriction
-     is difficult and would probably require breaking source
-     compatibility because QPDF_Stream doesn't have enough information
-     to know whether the original QPDF object is needed by the
-     stream's data provider. Also, the interface is designed to pass
-     the object ID and generation of the object whose data is being
-     provided so the provider can use it for lookup or any other
-     purpose. As such, copying a stream data provider to a new stream
-     potentially changes the meaning of the parameters passed to the
-     provider. This happens with CopiedStreamDataProvider, which uses
-     the object ID and generation of the new stream to locate the
-     parameters of the old stream.
-
- * If I ever decide to make appearance stream-generation aware of
-   fonts or font metrics, see email from Tobias with Message-ID
-   <5C3C9C6C.8000102@thax.hardliners.org> dated 2019-01-14.
+I find it useful to make reference to them in this list.
+
+* Consider enabling code scanning on GitHub.
+
+* Add an option --ignore-encryption to ignore encryption information
+  and treat encrypted files as if they weren't encrypted. This should
+  make it possible to solve #598 (--show-encryption without a
+  password). We'll need to make sure we don't try to filter any
+  streams in this mode. Ideally we should be able to combine this with
+  --json so we can look at the raw encrypted strings and streams if we
+  want to, though be sure to document that the resulting JSON won't be
+  convertible back to a valid PDF. Since providing the password may
+  reveal additional details, --show-encryption could potentially retry
+  with this option if the first time doesn't work. Then, with the file
+  open, we can read the encryption dictionary normally. If this is
+  done, search for "raw, encrypted" in json.rst.
+
+* In libtests, separate executables that need the object library
+  from those that strictly use public API. Move as many of the test
+  drivers from the qpdf directory into the latter category as long
+  as doing so isn't too troublesome from a coverage standpoint.
+
+* Consider generating a non-flat pages tree before creating output to
+  better handle files with lots of pages. If there are more than 256
+  pages, add a second layer with the second layer nodes having no more
+  than 256 nodes and being as evenly sizes as possible. Don't worry
+  about the case of more than 65,536 pages. If the top node has more
+  than 256 children, we'll live with it. This is only safe if all
+  intermediate page nodes have only /Kids, /Parent, /Type, and /Count.
+
+* Look at https://bestpractices.coreinfrastructure.org/en
+
+* Consider adding fuzzer code for JSON
+
+* Rework tests so that nothing is written into the source directory.
+  Ideally then the entire build could be done with a read-only
+  source tree.
+
+* Large file tests fail with linux32 before and after cmake. This was
+  first noticed after 10.6.3. I don't think it's worth fixing.
+
+* Consider updating the fuzzer with code that exercises
+  copyAnnotations, file attachments, and name and number trees. Check
+  fuzzer coverage.
+
+* Add code for creation of a file attachment annotation. It should
+  also be possible to create a widget annotation and a form field.
+  Update the pdf-attach-file.cc example with new APIs when ready.
+
+* Flattening of form XObjects seems like something that would be
+  useful in the library. We are seeing more cases of completely valid
+  PDF files with form XObjects that cause problems in other software.
+  Flattening of form XObjects could be a useful way to work around
+  those issues or to prepare files for additional processing, making
+  it possible for users of the qpdf library to not be concerned about
+  form XObjects. This could be done recursively; i.e., we could have a
+  method to embed a form XObject into whatever contains it, whether
+  that is a form XObject or a page. This would require more
+  significant interpretation of the content stream. We would need a
+  test file in which the placement of the form XObject has to be in
+  the right place, e.g., the form XObject partially obscures earlier
+  code and is partially obscured by later code. Keys in the resource
+  dictionary may need to be changed -- create test cases with lots of
+  duplicated/overlapping keys.
+
+* Part of closed_file_input_source.cc is disabled on Windows because
+  of odd failures. It might be worth investigating so we can fully
+  exercise this in the test suite. That said, ClosedFileInputSource
+  is exercised elsewhere in qpdf's test suite, so this is not that
+  pressing.
+
+* If possible, consider adding CCITT3, CCITT4, or any other easy
+  filters. For some reference code that we probably can't use but may
+  be handy anyway, see
+  http://partners.adobe.com/public/developer/ps/sdk/index_archive.html
+
+* If possible, support the following types of broken files:
+
+   - Files that have no whitespace token after "endobj" such that
+     endobj collides with the start of the next object
+
+   - See ../misc/broken-files
+
+   - See ../misc/bad-files-issue-476. This directory contains a
+     snapshot of the google doc and linked PDF files from issue #476.
+     Please see the issue for details.
+
+* Additional form features
+  * set value from CLI? Specify title, and provide way to
+    disambiguate, probably by giving objgen of field
+
+* Pl_TIFFPredictor is pretty slow.
+
+* Support for handling file names with Unicode characters in Windows
+  is incomplete. qpdf seems to support them okay from a functionality
+  standpoint, and the right thing happens if you pass in UTF-8
+  encoded filenames to QPDF library routines in Windows (they are
+  converted internally to wchar_t*), but file names are encoded in
+  UTF-8 on output, which doesn't produce nice error messages or
+  output on Windows in some cases.
+
+* If we ever wanted to do anything more with character encoding, see
+  ../misc/character-encoding/, which includes machine-readable dump
+  of table D.2 in the ISO-32000 PDF spec. This shows the mapping
+  between Unicode, StandardEncoding, WinAnsiEncoding,
+  MacRomanEncoding, and PDFDocEncoding.
+
+* Some test cases on bad files fail because qpdf is unable to find
+  the root dictionary when it fails to read the trailer. Recovery
+  could find the root dictionary and even the info dictionary in
+  other ways. In particular, issue-202.pdf can be opened by evince,
+  and there's no real reason that qpdf couldn't be made to be able to
+  recover that file as well.
+
+* Audit every place where qpdf allocates memory to see whether there
+  are cases where malicious inputs could cause qpdf to attempt to
+  grab very large amounts of memory. Certainly there are cases like
+  this, such as if a very highly compressed, very large image stream
+  is requested in a buffer. Hopefully normal input to output
+  filtering doesn't ever try to do this. QPDFWriter should be checked
+  carefully too. See also bugs/private/from-email-663916/
+
+* Interactive form modification:
+  https://github.com/qpdf/qpdf/issues/213 contains a good discussion
+  of some ideas for adding methods to modify annotations and form
+  fields if we want to make it easier to support modifications to
+  interactive forms. Some of the ideas have been implemented, and
+  some of the probably never will be implemented, but it's worth a
+  read if there is an intention to work on this. In the issue, search
+  for "Regarding write functionality", and read that comment and the
+  responses to it.
+
+* Look at ~/Q/pdf-collection/forms-from-appian/
+
+* When decrypting files with /R=6, hash_V5 is called more than once
+  with the same inputs.  Caching the results or refactoring to reduce
+  the number of identical calls could improve performance for
+  workloads that involve processing large numbers of small files.
+
+* Consider adding a method to balance the pages tree.  It would call
+  pushInheritedAttributesToPage, construct a pages tree from scratch,
+  and replace the /Pages key of the root dictionary with the new
+  tree.
+
+* Study what's required to support savable forms that can be saved by
+  Adobe Reader. Does this require actually signing the document with
+  an Adobe private key? Search for "Digital signatures" in the PDF
+  spec, and look at ~/Q/pdf-collection/form-with-full-save.pdf, which
+  came from Adobe's example site. See also
+  ../misc/digital-sign-from-trueroad/. If digital signatures are
+  implemented, update the docs on crypto providers, which mention
+  that this may happen in the future.
+
+* Qpdf does not honor /EFF when adding new file attachments. When it
+  encrypts, it never generates streams with explicit crypt filters.
+  Prior to 10.2, there was an incorrect attempt to treat /EFF as a
+  default value for decrypting file attachment streams, but it is not
+  supposed to mean that. Instead, it is intended for conforming
+  writers to obey this when adding new attachments. Qpdf is not a
+  conforming writer in that respect.
+
+* The whole xref handling code in the QPDF object allows the same
+  object with more than one generation to coexist, but a lot of logic
+  assumes this isn't the case.  Anything that creates mappings only
+  with the object number and not the generation is this way,
+  including most of the interaction between QPDFWriter and QPDF.  If
+  we wanted to allow the same object with more than one generation to
+  coexist, which I'm not sure is allowed, we could fix this by
+  changing xref_table.  Alternatively, we could detect and disallow
+  that case.  In fact, it appears that Adobe reader and other PDF
+  viewing software silently ignores objects of this type, so this is
+  probably not a big deal.
+
+* From a suggestion in bug 3152169, consider having an option to
+  re-encode inline images with an ASCII encoding.
+
+* From github issue 2, provide more in-depth output for examining
+  hint stream contents. Consider adding on option to provide a
+  human-readable dump of linearization hint tables. This should
+  include improving the 'overflow reading bit stream' message as
+  reported in issue #2. There are multiple calls to stopOnError in
+  the linearization checking code. Ideally, these should not
+  terminate checking. It would require re-acquiring an understanding
+  of all that code to make the checks more robust. In particular,
+  it's hard to look at the code and quickly determine what is a true
+  logic error and what could happen because of malformed user input.
+  See also ../misc/linearization-errors.
+
+* If I ever decide to make appearance stream-generation aware of
+  fonts or font metrics, see email from Tobias with Message-ID
+  <5C3C9C6C.8000102@thax.hardliners.org> dated 2019-01-14.
+
+* Look at places in the code where object traversal is being done and,
+  where possible, try to avoid it entirely or at least avoid ever
+  traversing the same objects multiple times.
+
+----------------------------------------------------------------------
+
+HISTORICAL NOTES
+
+Performance
+===========
+
+As described in https://github.com/qpdf/qpdf/issues/401, there was
+great performance degradation between qpdf 7.1.1 and 9.1.1. Doing a
+bisect between dac65a21fb4fa5f871e31c314280b75adde89a6c and
+release-qpdf-7.1.1, I found several commits that damaged performance.
+I fixed some of them to improve performance by about 70% (as measured
+by saying that old times were 170% of new times). The remaining
+commits that broke performance either can't be correct because they
+would re-introduce an old bug or aren't worth correcting because of
+the high value they offer relative to a relatively low penalty. For
+historical reference, here are the commits. The numbers are the time
+in seconds on the machine I happened to be using of splitting the
+first 100 pages of PDF32000_2008.pdf 20 times and taking an average
+duration.
+
+Commits that broke performance:
+
+* d0e99f195a987c483bbb6c5449cf39bee34e08a1 -- object description and
+  context: 0.39 -> 0.45
+* a01359189b32c60c2d55b039f7aefd6c3ce0ebde (minus 313ba08) -- fix
+  dangling references: 0.55 -> 0.6
+* e5f504b6c5dc34337cc0b316b4a7b1fca7e614b1 -- sparse array: 0.6 -> 0.62
+
+Other intermediate steps that were previously fixed:
+
+* 313ba081265f69ac9a0324f9fe87087c72918191 -- copy outlines into
+  split: 0.55 -> 4.0
+* a01359189b32c60c2d55b039f7aefd6c3ce0ebde -- fix dangling references:
+  4.0 -> 9.0
+
+This commit fixed the awful problem introduced in 313ba081:
+
+* a5a016cdd26a8e5c99e5f019bc30d1bdf6c050a2 -- revert outline
+  preservation: 9.0 -> 0.6
+
+Note that the fix dangling references commit had a much worse impact
+prior to removing the outline preservation, so I also measured its
+impact in isolation.
+
+A few important lessons (in README-maintainer)
+
+* Indirection through PointerHolder<Members> is expensive, and should
+  not be used for things that are created and destroyed frequently
+  such as QPDFObjectHandle and QPDFObject.
+* Traversal of objects is expensive and should be avoided where
+  possible.
+
+Also, it turns out that PointerHolder is more performant than
+std::shared_ptr. (This was true at the time but subsequent
+implementations of std::shared_ptr became much more efficient.)
+
+QPDFPagesTree
+=============
+
+On a few occasions, I have considered implementing a QPDFPagesTree
+object that would allow the document's original page tree structure to
+be preserved. See comments at the top QPDF_pages.cc for why this was
+abandoned.
+
+Partial work is in refs/attic/QPDFPagesTree. QPDFPageTree is mostly
+implemented and mostly tested. There are not enough cases of different
+kinds of operations (pclm, linearize, json, etc.) with non-flat pages
+trees. Insertion is not implemented. Insertion is potentially complex
+because of the issue of inherited objects. We will have to call
+pushInheritedAttributesToPage before adding any pages to the pages
+tree. The test suite is failing on that branch.
+
+Some parts of page tree repair are silent (no warnings). All page tree
+repair should warn. The reason is that page tree repair will change
+object numbers, and knowing that is important when working with JSON
+output.
+
+If we were to do this, we would still need keep a pages cache for
+efficient insertion. There's no reason we can't keep a vector of page
+objects up to date and just do a traversal the first time we do
+getAllPages just like we do now. The difference is that we would not
+flatten the pages tree. It would be useful to go through QPDF_pages
+and reimplement everything without calling flattenPagesTree. Then we
+can remove flattenPagesTree, which is private. That said, with the
+addition of creating non-flat pages trees, there is really no reason
+not to flatten the pages tree for internal use.
+
+In its current state, QPDFPagesTree does not proactively fix /Type or
+correct page objects that are used multiple times. You have to
+traverse the pages tree to trigger this operation. It would be nice if
+we would do that somewhere but not do it more often than necessary so
+isPagesObject and isPageObject are reliable and can be made more
+reliable. Maybe add a validate or repair function? It should also make
+sure /Count and /Parent are correct.
+
+Rejected Ideas
+==============
+
+* Investigate whether there is a way to automate the memory checker
+  tests for Windows.
+
+* Provide support in QPDFWriter for writing incremental updates.
+  Provide support in qpdf for preserving incremental updates.  The
+  goal should be that QDF mode should be fully functional for files
+  with incremental updates including fix_qdf.
+
+  Note that there's nothing that says an indirect object in one
+  update can't refer to an object that doesn't appear until a later
+  update.  This means that QPDF has to treat indirect null objects
+  differently from how it does now.  QPDF drops indirect null objects
+  that appear as members of arrays or dictionaries.  For arrays, it's
+  handled in QPDFWriter where we make indirect nulls direct.  This is
+  in a single if block, and nothing else in the code cares about it.
+  We could just remove that if block and not break anything except a
+  few test cases that exercise the current behavior.  For
+  dictionaries, it's more complicated.  In this case,
+  QPDF_Dictionary::getKeys() ignores all keys with null values, and
+  hasKey() returns false for keys that have null values.  We would
+  probably want to make QPDF_Dictionary able to handle the special
+  case of keys that are indirect nulls and basically never have it
+  drop any keys that are indirect objects.
+
+  If we make a change to have qpdf preserve indirect references to
+  null objects, we have to note this in ChangeLog and in the release
+  notes since this will change output files.  We did this before when
+  we stopped flattening scalar references, so this is probably not a
+  big deal.  We also have to make sure that the testing for this
+  handles non-trivial cases of the targets of indirect nulls being
+  replaced by real objects in an update.  I'm not sure how this plays
+  with linearization, if at all.  For cases where incremental updates
+  are not being preserved as incremental updates and where the data
+  is being folded in (as is always the case with qpdf now), none of
+  this should make any difference in the actual semantics of the
+  files.
+
+* The second xref stream for linearized files has to be padded only
+  because we need file_size as computed in pass 1 to be accurate.  If
+  we were not allowing writing to a pipe, we could seek back to the
+  beginning and fill in the value of /L in the linearization
+  dictionary as an optimization to alleviate the need for this
+  padding.  Doing so would require us to pad the /L value
+  individually and also to save the file descriptor and determine
+  whether it's seekable.  This is probably not worth bothering with.
+
+* Based on an idea suggested by user "Atom Smasher", consider
+  providing some mechanism to recover earlier versions of a file
+  embedded prior to appended sections.
+
+* Consider creating a sanitizer to make it easier for people to send
+  broken files. Now that we have json mode, this is probably no
+  longer worth doing. Here is the previous idea, possibly implemented
+  by making it possible to run the lexer (tokenizer) over a whole
+  file. Make it possible to replace all strings in a file lexically
+  even on badly broken files. Ideally this should work files that are
+  lacking xref, have broken links, duplicated dictionary keys, syntax
+  errors, etc., and ideally it should work with encrypted files if
+  possible. This should go through the streams and strings and
+  replace them with fixed or random characters, preferably, but not
+  necessarily, in a manner that works with fonts. One possibility
+  would be to detect whether a string contains characters with normal
+  encoding, and if so, use 0x41. If the string uses character maps,
+  use 0x01. The output should otherwise be unrelated to the input.
+  This could be built after the filtering and tokenizer rewrite and
+  should be done in a manner that takes advantage of the other
+  lexical features. This sanitizer should also clear metadata and
+  replace images. If I ever do this, the file from issue #494 would
+  be a great one to look at.
+
+* Here are some notes about having stream data providers modify
+  stream dictionaries. I had wanted to add this functionality to make
+  it more efficient to create stream data providers that may
+  dynamically decide what kind of filters to use and that may end up
+  modifying the dictionary conditionally depending on the original
+  stream data. Ultimately I decided not to implement this feature.
+  This paragraph describes why.
+
+  * When writing, the way objects are placed into the queue for
+    writing strongly precludes creation of any new indirect objects,
+    or even changing which indirect objects are referenced from which
+    other objects, because we sometimes write as we are traversing
+    and enqueuing objects. For non-linearized files, there is a risk
+    that an indirect object that used to be referenced would no
+    longer be referenced, and whether it was already written to the
+    output file would be based on an accident of where it was
+    encountered when traversing the object structure. For linearized
+    files, the situation is considerably worse. We decide which
+    section of the file to write an object to based on a mapping of
+    which objects are used by which other objects. Changing this
+    mapping could cause an object to appear in the wrong section, to
+    be written even though it is unreferenced, or to be entirely
+    omitted since, during linearization, we don't enqueue new objects
+    as we traverse for writing.
+
+  * There are several places in QPDFWriter that query a stream's
+    dictionary in order to prepare for writing or to make decisions
+    about certain aspects of the writing process. If the stream data
+    provider has the chance to modify the dictionary, every piece of
+    code that gets stream data would have to be aware of this. This
+    would potentially include end user code. For example, any code
+    that called getDict() on a stream before installing a stream data
+    provider and expected that dictionary to be valid would
+    potentially be broken. As implemented right now, you must perform
+    any modifications on the dictionary in advance and provided
+    /Filter and /DecodeParms at the time you installed the stream
+    data provider. This means that some computations would have to be
+    done more than once, but for linearized files, stream data
+    providers are already called more than once. If the work done by
+    a stream data provider is especially expensive, it can implement
+    its own cache.
+
+  The example examples/pdf-custom-filter.cc demonstrates the use of
+  custom stream filters. This includes a custom pipeline, a custom
+  stream filter, as well as modification of a stream's dictionary to
+  include creation of a new stream that is referenced from
+  /DecodeParms.
+
+* Removal of raw QPDF* from the API. Discussions in #747 and #754.
+  This is a summary of the arguments I put forth in #754. The idea was
+  to make QPDF::QPDF() private and require all QPDF objects to be
+  shared pointers created with QPDF::create(). This would enable us to
+  have QPDFObjectHandle::getOwningQPDF() return a std::weak_ptr<QPDF>.
+  Prior to #726 (QPDFObject/QPDFValue split, released in qpdf 11.0.0),
+  getOwningQPDF() could return an invalid pointer if the owning QPDF
+  disappeared, but this is no longer the case, which removes the main
+  motivation. QPDF 11 added QPDF::create() anyway though.
+
+  Removing raw QPDF* would look something like this. Note that you
+  can't use std::make_shared<T> unless T has a public constructor.
+
+  QPDF_POINTER_TRANSITION = 0 -- no warnings around calling the QPDF constructor
+  QPDF_POINTER_TRANSITION = 1 -- calls to QPDF() are deprecated, but QPDF is still available so code can be backward compatible and use std::make_shared<QPDF>
+  QPDF_POINTER_TRANSITION = 2 -- the QPDF constructor is private; all calls to std::make_shared<QPDF> have to be replaced with QPDF::create
+
+  If we were to do this, we'd have to look at each use of QPDF* in the
+  interface and decide whether to use a std::shared_ptr or a
+  std::weak_ptr. The answer would almost always be to use a
+  std::weak_ptr, which means we'd have to take the extra step of
+  calling lock(), and it means there would be lots of code changes
+  cause people would have to pass weak pointers instead of raw
+  pointers around, and those have to be constructed and locked.
+  Passing std::shared_ptr around leaves the possibility of creating
+  circular references. It seems to be too much trouble in the library
+  and too much toil for library users to be worth the small benefit of
+  not having to call resetObjGen in QPDF's destructor.
+
+* Fix Multiple Direct Object Parent Issue
+
+  This idea was rejected because it would be complicated to implement
+  and would likely have a high performance cost to fix what is not
+  really that big of a problem in practice.
+
+  It is possible for a QPDFObjectHandle for a direct object to be
+  contained inside of multiple QPDFObjectHandle objects or even
+  replicated across multiple QPDF objects. This creates a potentially
+  confusing and unintentional aliasing of direct objects. There are
+  known cases in the qpdf library where this happens including page
+  splitting and merging (particularly with page labels, and possibly
+  with other cases), and also with unsafeShallowCopy. Disallowing this
+  would incur a significant performance penalty and is probably not
+  worth doing. If we were to do it, here are some ideas.
+
+  * Add std::weak_ptr<QPDFObject> parent to QPDFObject. When adding a
+    direct object to an array or dictionary, set its parent. When
+    removing it, clear the parent pointer. The parent pointer would
+    always be null for indirect objects, so the parent pointer, which
+    would reside in QPDFObject, would have to be managed by
+    QPDFObjectHandle. This is because QPDFObject can't tell the
+    difference between a resolved indirect object and a direct object.
+
+  * Phase 1: When a direct object that already has a parent is added
+    to a dictionary or array, issue a warning. There would need to be
+    unsafe add methods used by unsafeShallowCopy. These would add but
+    not modify the parent pointer.
+
+  * Phase 2: In the next major release, make the multiple parent case
+    an error. Require people to create a copy. The unsafe operations
+    would still have to be permitted.
+
+  This approach would allow an object to be moved from one object to
+  another by removing it, which returns the now orphaned object, and
+  then inserting it somewhere else. It also doesn't break the pattern
+  of adding a direct object to something and subsequently mutating it.
+  It just prevents the same object from being added to more than one
+  thing.

_service:tar_scm:qpdf-11.1.0.tar.gz/abi-perf-test Added

@@ -0,0 +1,130 @@
+#!/usr/bin/env bash
+set -eo pipefail
+cd $(dirname $0)
+whoami=$(basename $0)
+
+if  $(git status -s | grep -E -v abi-perf-test | wc -l) != 0 ; then
+    echo 1>&2 "${whoami}: git is not clean. (abi-perf-test changes ignored)"
+    git status -s
+    exit 2
+fi
+
+old_rev=${1-bad}
+new_rev=${2-bad}
+
+if  "$new_rev" = "bad" ; then
+    echo 1>&2 "Usage: $whoami old-rev new-rev"
+    exit 2
+fi
+
+old_rev_hash=$(git rev-parse $old_rev)
+new_rev_hash=$(git rev-parse $new_rev)
+
+cat <<EOF
+
+Checking ABI:
+* old revision: $old_rev = $old_rev_hash
+* new revision: $new_rev = $new_rev_hash
+
+EOF
+
+work=/tmp/check-abi
+if  -d $work ; then
+   if  ! -f $work/.abi ; then
+       echo 1>&2 "$work exists and is not ours"
+       exit 2
+   else
+       rm -rf $work
+   fi
+fi
+mkdir -p $work/{old,new}
+touch $work/.abi
+
+source=$PWD
+repo=file://$source/.git
+cd $work
+git clone $repo qpdf
+cd qpdf
+
+git tag abi-old $old_rev_hash
+git tag abi-new $new_rev_hash
+
+echo "** building old version **"
+
+git checkout abi-old
+cmake -S . -B build \
+  -DMAINTAINER_MODE=1 -DBUILD_STATIC_LIBS=0 -DBUILD_DOC=0 \
+  -DCMAKE_BUILD_TYPE=RelWithDebInfo
+cmake --build build -j$(nproc)
+
+echo "** saving old library and size information **"
+
+$source/check_abi check-sizes --lib build/libqpdf/libqpdf.so
+./build/qpdf/sizes >| $work/old/sizes
+cp build/libqpdf/libqpdf.so.*.* $work/old
+
+if  "$SKIP_PERF" != "1" ; then
+    echo "** writing performance details for old revision to $work/perf **"
+    $source/performance_check --dir $source/../performance-test-files | \
+        tee -a $work/perf
+fi
+
+echo "** building new version's library and sizes **"
+
+git checkout abi-new
+cmake -S . -B build \
+  -DMAINTAINER_MODE=1 -DBUILD_STATIC_LIBS=0 -DBUILD_DOC=0 \
+  -DCMAKE_BUILD_TYPE=RelWithDebInfo
+cmake --build build -j$(nproc) --target sizes
+
+echo "** saving new library and size information **"
+
+$source/check_abi check-sizes --lib build/libqpdf/libqpdf.so
+./build/qpdf/sizes >| $work/new/sizes
+cp build/libqpdf/libqpdf.so.*.* $work/new
+
+echo "** running ABI comparison **"
+
+$source/check_abi compare --old-lib $work/old/libqpdf.so.*.* \
+  --new-lib build/libqpdf/libqpdf.so \
+  --old-sizes $work/old/sizes --new-sizes $work/new/sizes
+
+test_warn=0
+if  "$SKIP_TESTS" != "1" ; then
+    # Switch back to the previous release and run tests. There may be
+    # some failures based on functionality change. We are looking for
+    # ABI breakage.
+    git checkout abi-old
+    set +e
+    (cd build; ctest --verbose)
+    if  $? != 0 ; then
+        test_warn=1
+    fi
+    set -e
+fi
+
+git checkout abi-new
+
+if  "$SKIP_PERF" != "1" ; then
+    echo "** writing performance details for new revision to $work/perf **"
+
+    cmake -S . -B build \
+      -DMAINTAINER_MODE=1 -DBUILD_STATIC_LIBS=0 -DBUILD_DOC=0 \
+      -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    cmake --build build -j$(nproc)
+    $source/performance_check --dir $source/../performance-test-files | \
+        tee -a $work/perf
+fi
+
+if  $test_warn = 1 ; then
+    cat <<EOF
+
+**********************************************************************
+There were some test failures; inspect to determine whether they are
+ABI-related.
+
+Check test results in $work/qpdf/build
+**********************************************************************
+
+EOF
+fi

_service:tar_scm:qpdf-8.4.2.tar.gz/appimage/Dockerfile -> _service:tar_scm:qpdf-11.1.0.tar.gz/appimage/Dockerfile Changed

@@ -1,11 +1,28 @@
-FROM ubuntu:14.04
-RUN apt-get update && \
-    apt-get -y install screen autoconf git \
-       build-essential zlib1g-dev libjpeg-dev \
-       docbook-xsl fop xsltproc \
-       inkscape imagemagick busybox-static wget fuse && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
+FROM ubuntu:18.04 as start
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update
+RUN apt-get -y install screen git sudo \
+    build-essential pkg-config \
+    zlib1g-dev libjpeg-dev libgnutls28-dev \
+    python3-pip texlive-latex-extra latexmk \
+    inkscape imagemagick busybox-static wget fuse
+
+# Until we move to ubuntu:20.04, we need a newer cmake. After 20.04,
+# we can remove this and add cmake to the install above.
+RUN apt-get -y install software-properties-common wget
+RUN wget -O /etc/apt/trusted.gpg.d/kitware.asc \
+    https://apt.kitware.com/keys/kitware-archive-latest.asc
+RUN apt-add-repository 'deb https://apt.kitware.com/ubuntu/ bionic main'
+RUN apt-get update
+RUN apt-get -y install cmake
+# End cmake
+
+RUN apt-get clean && rm -rf /var/lib/apt/lists/*
+
+RUN pip3 install sphinx sphinx_rtd_theme
+
+FROM ubuntu:18.04 as run
+COPY --from=start / /
 COPY entrypoint /entrypoint
 RUN chmod +x /entrypoint
 ENTRYPOINT  "/entrypoint"

_service:tar_scm:qpdf-8.4.2.tar.gz/appimage/build-appimage -> _service:tar_scm:qpdf-11.1.0.tar.gz/appimage/build-appimage Changed

@@ -1,15 +1,13 @@
 #!/bin/bash
 
-# Copyright (c) 2019 Jay Berkenbilt and Kurt Pfeifle
+# Copyright (c) 2019-2022 Jay Berkenbilt and Kurt Pfeifle
 #
-# This script is mainly meant to build an 'AppImage' from GitHub
-# sources of QPDF via Travis CI on an Ubuntu Trusty (14.04) LTS system
-# (see https://appimage.org/).
-#
-# But it also allows Linux users to build such an AppImage on their
-# own systems. Please read 'README.md' from the top level Git sources
-# to see what preconditions you must meet to build QPDF in general.
-# The same apply to build an AppImage. Then follow these three steps:
+# This script is used to build an 'AppImage' from GitHub sources of
+# QPDF (see https://appimage.org/). It is used in CI, but it also
+# allows Linux users to build such an AppImage on their own systems.
+# Please read 'README.md' from the top level Git sources to see what
+# preconditions you must meet to build QPDF in general. The same apply
+# to build an AppImage. Then follow these three steps:
 #
 #   1. Clone Git sources:  `git clone https://github.com/qpdf/qpdf.git git.qpdf`
 #   2. Change into git dir:  `cd git.qpdf`
@@ -23,7 +21,7 @@
 # into the 'CUSTOM_CONFIGURE' environment variable and exporting it
 # before running this script. For example:
 #
-#      export CUSTOM_CONFIGURE=" --enable-test-compare-images --more-other-options"
+#      export CUSTOM_CONFIGURE=" -DSOME_OTHER_OPTION=1 ..."
 #
 # ATTENTION:
 #
@@ -33,8 +31,8 @@
 #   2. If you build the AppImage on a too recent Linux distribution,
 #      it may only work on the exact distribution you build it on. For
 #      an AppImage to work on a wide range of different distributions
-#      from the last 3-4 years if should be built on Ubuntu Trusty
-#      (14.04).
+#      from the last 3-4 years if should be built on the oldest
+#      supported Ubuntu LTS release.
 
 set -ex
 
@@ -45,24 +43,25 @@
 fi
 
 
-# Check if we are on Ubuntu Trusty
+# Check Ubuntu Distribution
 _osversion=$(cat /etc/os-release | grep PRETTY_NAME | awk -F'=' '{print $2}' | sed 's#"##g')
 
 # Warn users building the AppImage locally:
-if  ! $_osversion =~ Ubuntu\ 14.04.*\ LTS ; then
+if  ! $_osversion =~ Ubuntu\ 18.04.*\ LTS ; then
 set +x
     echo ""
     #    0         1         2         3         4         5         6         7
     #    01234567890123456789012345678901234567890123456789012345678901234567890123456789
     echo "+===========================================================================+"
     echo "|| WARNING: You are about to build a QPDF AppImage on a system which is    ||"
-    echo "|| NOT Ubuntu 14.04 LTS ('Trusty').                                        ||"
+    echo "|| NOT Ubuntu 18.04 LTS.                                                   ||"
     echo "||                                                                         ||"
     echo "||    It is recommended that you use a distribution that is at least a     ||"
     echo "||    few years old to maximize the number of Linux distributions the      ||"
     echo "||    resulting AppImage will work on. AppImages often don't work on       ||"
     echo "||    distributions older than the one they were built on because of       ||"
-    echo "||    standard library differences.                                        ||"
+    echo "||    standard library differences. The oldest supported Ubuntu LTS is     ||"
+    echo "||    a good option.                                                       ||"
     echo "+===========================================================================+"
     echo ""
 set -x
@@ -83,30 +82,35 @@
 rm -rf $here/build
 
 # Prepare build of QPDF from sources:
-./configure --prefix=/usr --enable-werror \
-            --enable-show-failed-test-output \
-            --enable-html-doc --enable-pdf-doc "$CUSTOM_CONFIGURE"
+rm -rf build.appimage
+mkdir build.appimage
+cd build.appimage
+cmake -DWERROR=1 -DBUILD_DOC=1 -DCMAKE_BUILD_TYPE=Release \
+      -DBUILD_DOC_DIST=1 -DINSTALL_MANUAL=1 \
+      -DREQUIRE_CRYPTO_GNUTLS=1 -DUSE_IMPLICIT_CRYPTO=0 \
+      -DSHOW_FAILED_TEST_OUTPUT=1 -DBUILD_STATIC_LIBRARIES=0 \
+      "$CUSTOM_CONFIGURE" ..
 
 # Build!
-make -j$(nproc)
+cmake --build . -j$(nproc)
 
 if  "$SKIP_TESTS" = "" ; then
     # Run built-in QPDF checks:
-    make -k check
+    ctest --verbose
 fi
 
 # Prepare AppDir which is the basis for the AppImage:
 mkdir -p $appdir
 
 # Install build result into AppDir:
-make install DESTDIR=$appdir; find $appdir
+for i in lib cli doc; do
+    DESTDIR=$appdir cmake --install . --prefix /usr --component $i
+done
+find $appdir
 
 # Change into build directory:
 cd $here/build
 
-# Don't bundle developer stuff
-rm -rf appdir/usr/include appdir/usr/lib/pkgconfig appdir/usr/lib/*.{a,la,so}
-
 # Copy icon which is needed for desktop integration into place:
 for width in 64 128 256 512; do
     dir=appdir/usr/share/icons/hicolor/${width}x${width}/apps
@@ -147,7 +151,12 @@
 chmod a+x linuxdeployqt*.AppImage
 
 # Set up a clean environment:
-unset QTDIR; unset QT_PLUGIN_PATH; unset LD_LIBRARY_PATH
+unset QTDIR; unset QT_PLUGIN_PATH
+
+# Since cmake strips runpath information for executables and we are
+# installing with DESTDIR, we need to set LD_LIBRARY_PATH or else ldd
+# will fail on the resulting executables
+export LD_LIBRARY_PATH=$(dirname $(find $appdir -type l -name 'libqpdf.so.*'))
 
 # Let 'linuxdeployqt' do its first stage of work:
 ./linuxdeployqt*.AppImage appdir/usr/share/applications/*.desktop -bundle-non-qt-libs
@@ -171,7 +180,7 @@
     set +x
     echo ""
     echo " Running 'appimagetool' with '-n' parameter..."
-    echo " Reason: this does not seem to be a Travis CI build running on"
+    echo " Reason: this does not seem to be a build running on"
     echo " Ubuntu Trusty 14.04."
     echo " '-n' disables checking of AppStream data by the 'appstreamcli'"
     echo " utility since post-Trusty versions have incompatible changes."
@@ -182,13 +191,8 @@
 # Set up a version string to include in the AppImage name
 MAJOR_QPDF_VERSION=$( ./appdir/usr/bin/qpdf --version | grep "qpdf version" | awk '{print $3}' )
 declare -a UPDATE_INFO
-if  "$TRAVIS_JOB_NUMBER" != "" ; then
-    VERSION=${MAJOR_QPDF_VERSION}-continuous-${TRAVIS_JOB_NUMBER}-$(date "+%Y-%m-%d")-git.$(git rev-parse --short HEAD)
-    # No update info supported for travis builds for now.
-else
-    VERSION=${MAJOR_QPDF_VERSION}
-    UPDATE_INFO=(-u "gh-releases-zsync|qpdf|qpdf|latest|qpdf-*x86_64.AppImage.zsync")
-fi
+VERSION=${MAJOR_QPDF_VERSION}
+UPDATE_INFO=(-u "gh-releases-zsync|qpdf|qpdf|latest|qpdf-*x86_64.AppImage.zsync")
 
 # Remove the default AppRun/symlink and use our own custom AppRun script
 rm appdir/AppRun; cp $top/appimage/AppRun appdir; chmod a+x appdir/AppRun

_service:tar_scm:qpdf-8.4.2.tar.gz/appimage/entrypoint -> _service:tar_scm:qpdf-11.1.0.tar.gz/appimage/entrypoint Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/appimage/qpdf.appdata.xml -> _service:tar_scm:qpdf-11.1.0.tar.gz/appimage/qpdf.appdata.xml Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-appimage Added

@@ -0,0 +1,40 @@
+#!/bin/bash
+#
+# Any extra args are passed to the docker run command before the
+# invocation of qpdfbuild. This is useful for iterating locally as
+# described in README-maintainer.
+#
+set -ex
+cd appimage
+docker build -t qpdfbuild .
+rm -rf build
+mkdir build
+cd ..
+git clone .git appimage/build/qpdf
+docker run --privileged --rm \
+       -v $PWD/appimage/build:/tmp/build ${1+"$@"} qpdfbuild
+rm -rf distribution
+mkdir distribution
+cp -p appimage/build/qpdf/appimage/build/qpdf*AppImage* distribution
+for i in distribution/*; do
+    mv $i $(echo $i | sed -e 's/\.AppImage/-ci.AppImage/')
+done
+
+# Extract a standalone copy of binaries and libraries from the
+# AppImage. This is suitable for use in AWS Lambda, docker, or other
+# self-contained environments.
+version=$(basename distribution/qpdf*AppImage | cut -d- -f 2)
+./distribution/qpdf*AppImage --appimage-extract
+D=$PWD/distribution
+if ! (readelf -d squashfs-root/usr/bin/qpdf | \
+          grep RUNPATH | grep -q -F ..); then
+    # We are relying on the AppImage build to create an executable
+    # whose runpath is relative to the binary so that the extract zip
+    # file is relocatable.
+    echo "Standalone linux binary lacks relative RUNPATH"
+fi
+(cd squashfs-root/usr; \
+ zip -9 --symlinks $D/qpdf-$version-bin-linux-x86_64-ci.zip \
+     bin/{qpdf,fix-qdf,zlib-flate} lib/*)
+
+sha256sum distribution/*

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-doc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-fuzzer Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-linux Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-linux32 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-mac Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-windows Added

@@ -0,0 +1,46 @@
+#!/bin/bash
+set -ex
+cd $(dirname $0)/..
+wordsize=$1
+tool=$2
+
+declare -a cmake_xargs
+declare -a ctest_xargs
+if  $tool == mingw ; then
+    pacman -Sy --noconfirm make base-devel tar zip unzip
+    if  ! -x /c/msys64/mingw$wordsize/bin/g++.exe ; then
+        if  $wordsize == 64 ; then
+            pacman -Sy --noconfirm mingw-w64-x86_64-toolchain
+        else
+            pacman -Sy --noconfirm mingw-w64-i686-toolchain
+        fi
+    fi
+    PATH="/c/msys64/mingw$wordsize/bin:$PATH"
+    config=RelWithDebInfo
+    cmake_xargs=(-- -k)
+    g++ -v
+elif  $tool == msvc ; then
+    cl
+    config=Release
+    cmake_xargs=(--config $config)
+    ctest_xargs=(-C $config)
+fi
+
+mkdir build distribution
+unzip doc.zip
+unzip qpdf-external-libs-bin.zip
+
+cd build
+../cmake-win $tool ci
+cmake --build . -j$(nproc) "${cmake_xargs@}"
+ctest --verbose "${ctest_xargs@}"
+cpack -G NSIS -C $config
+cpack -G ZIP -C $config
+for i in qpdf-*.exe; do
+    mv $i ../distribution/$(echo $i | sed -e 's/.exe/-ci.exe/')
+done
+for i in qpdf-*.zip; do
+    mv $i ../distribution/$(echo $i | sed -e 's/.zip/-ci.zip/')
+done
+cd ..
+sha256sum distribution/*

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/build-windows.bat Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/download-external-libs Added

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+import json
+import os
+import requests
+import sys
+from zipfile import ZipFile
+
+
+def warn(*args, **kwargs):
+    print(*args, **kwargs, file=sys.stderr)
+
+
+def download_file(url, local_filename):
+    # From https://stackoverflow.com/questions/16694907/
+    # download-large-file-in-python-with-requests
+    if os.path.exists(local_filename):
+        warn('Using existing', local_filename)
+        return
+    warn('Downloading', local_filename)
+    with requests.get(url, stream=True) as r:
+        r.raise_for_status()
+        with open(local_filename, 'wb') as f:
+            for chunk in r.iter_content(chunk_size=8192):
+                f.write(chunk)
+    return local_filename
+
+
+bin_name = 'qpdf-external-libs-bin.zip'
+src_name = 'qpdf-external-libs-src.zip'
+dir_name = 'external-libs-dist'
+os.makedirs(dir_name, exist_ok=True)
+
+r = requests.get(
+    'https://api.github.com/repos/qpdf/external-libs/releases')
+releases = json.loads(r.text)
+by_tag = sorted(
+    (r'tag_name', r) for r in releases
+     if r'prerelease' is False,
+    reverse=True)
+latest = by_tag01
+bin_url = None
+src_url = None
+for i in latest'assets':
+    if i'name' == bin_name:
+        bin_url = i'browser_download_url'
+    elif i'name' == src_name:
+        src_url = i'browser_download_url'
+print(bin_url)
+download_file(bin_url, f'{dir_name}/{bin_name}')
+download_file(src_url, f'{dir_name}/{src_name}')
+
+print('\n** external library information **')
+with ZipFile(f'{dir_name}/{src_name}') as z1:
+    with z1.open('external-libs-src/versions') as z2:
+        print(z2.read().decode())

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/prebuild Added

_service:tar_scm:qpdf-11.1.0.tar.gz/build-scripts/test-sanitizers Added

_service:tar_scm:qpdf-11.1.0.tar.gz/cSpell.json Added

@@ -0,0 +1,590 @@
+{
+  "version": "0.1",
+  "words": 
+    "abuild",
+    "aclocal",
+    "acro",
+    "acroform",
+    "acroread",
+    "admon",
+    "advapi",
+    "aesv",
+    "afdh",
+    "afdhph",
+    "ageneration",
+    "aitems",
+    "annots",
+    "aobjid",
+    "apcm",
+    "apdict",
+    "appian",
+    "appimage",
+    "appspot",
+    "arandom",
+    "arora",
+    "asdf",
+    "atoi",
+    "autobuilder",
+    "autobuilders",
+    "autofiles",
+    "autofiles",
+    "autogen",
+    "autogen",
+    "autolabel",
+    "autopkgtest",
+    "baaa",
+    "backports",
+    "bashcompinit",
+    "berkenbilt",
+    "binmode",
+    "bitstream",
+    "blinearize",
+    "boldseq",
+    "bookinfo",
+    "bpreserve",
+    "bqpdf",
+    "brdp",
+    "bufpl",
+    "bufsize",
+    "buildrules",
+    "calledgetallpages",
+    "ccase",
+    "ccitt",
+    "cdef",
+    "cdict",
+    "cerr",
+    "cfis",
+    "cflags",
+    "ciphertext",
+    "classname",
+    "cleanpatch",
+    "clearsign",
+    "cleartext",
+    "cloudmersive",
+    "clusterfuzz",
+    "cmake",
+    "cmatch",
+    "codepoint",
+    "coldwind",
+    "colorspace",
+    "conftest",
+    "copiable",
+    "cout",
+    "cpack",
+    "cphe",
+    "cppflags",
+    "creationdate",
+    "cregex",
+    "crnl",
+    "csoe",
+    "cstr",
+    "ctest",
+    "cxxflags",
+    "cygwin",
+    "datafile",
+    "dbuild",
+    "dcmake",
+    "dctdecode",
+    "decltype",
+    "decrypter",
+    "deduplicating",
+    "deps",
+    "deserialization",
+    "destdir",
+    "dests",
+    "devel",
+    "didier",
+    "diffutils",
+    "dinstall",
+    "directpagerefcount",
+    "distclean",
+    "ditems",
+    "dmaintainer",
+    "docbook",
+    "docdir",
+    "dohnal",
+    "dontalign",
+    "dqpdf",
+    "dqtest",
+    "dquote",
+    "drequire",
+    "dshow",
+    "dtdvalid",
+    "dwindows",
+    "ebra",
+    "ecks",
+    "efdh",
+    "efoh",
+    "efsoh",
+    "encodable",
+    "encp",
+    "endforeach",
+    "endforeach",
+    "endfunction",
+    "endianness",
+    "endl",
+    "endobj",
+    "endstream",
+    "enspliel",
+    "envar",
+    "erasdf",
+    "errno",
+    "esize",
+    "eval",
+    "extlibdir",
+    "fclose",
+    "fdict",
+    "ffield",
+    "fghij",
+    "filep",
+    "firstname",
+    "firstterm",
+    "flarp",
+    "flate",
+    "flatelzwdecode",
+    "flate's",
+    "florian",
+    "fmatrix",
+    "fopen",
+    "fplain",
+    "fsanitize",
+    "fseeki",
+    "fseeko",
+    "fsoh",
+    "ftelli",
+    "fuzzer",
+    "fuzzers",
+    "fvisibility",
+    "gajic",
+    "gajić",
+    "gcurl",
+    "genname",
+    "genok",
+    "getu",
+    "ghostscript",
+    "glarp",
+    "glerbl",
+    "gmon",
+    "gmtoff",
+    "gnuc",
+    "gnutls",
+    "gprof",
+    "gswin",
+    "gynvael",
+    "hagoogamagoogle",
+    "hasacroform",
+    "hcryptprov",
+    "hdict",
+    "hoffmann",
+    "holger",
+    "hosoda",
+    "htcondor",
+    "htdocs",
+    "idempotency",
+    "ifdef",
+    "ifdefs",
+    "ifeq",
+    "ifstream",
+    "iinfilename",
+    "includedir",
+    "indoc",
+    "infile",
+    "infilename",
+    "inheritsresources",
+    "inpdf",
+    "inttypes",
+    "iostream",
+    "ioutfilename",
+    "irdp",
+    "ischeckbox",
+    "ischoice",
+    "isradiobutton",
+    "istr",
+    "italicseq",
+    "itemizedlist",
+    "jarr",
+    "jbarlow",
+    "jbig",
+    "jblob",
+    "jdimension",
+    "jdouble",
+    "jerr",
+    "jexp",
+    "jian",
+    "jint",
+    "jklmnopqrstuvwxyz",
+    "jmap",
+    "jmsg",
+    "jnull",
+    "jpeglib",
+    "jpool",
+    "jsamparray",
+    "jsample",
+    "jsamprow",
+    "jsimd",
+    "jsonversion",
+    "jstr",
+    "jurczyk",
+    "kgdl",
+    "lastreleased",
+    "latexmk",
+    "latexpdf",
+    "lbuf",
+    "lcrypto",
+    "ldflags",
+    "ldquo",
+    "libclang",
+    "libcmt",
+    "libcmtd",
+    "libdir",
+    "libgcc",
+    "libjpeg",
+    "libpcre",
+    "libqpdf",
+    "libstdc",
+    "libtests",
+    "libversion",
+    "libz",
+    "linearization",
+    "linearize",
+    "linearizes",
+    "linearizing",
+    "linefeeds",
+    "linkend",
+    "linp",
+    "listitem",
+    "ljpeg",
+    "localtime",
+    "longjmp",
+    "lpstr",
+    "lqpdf",
+    "lssl",
+    "ltime",
+    "lzwdecoder",
+    "macports",
+    "maint",
+    "makefiles",
+    "malloc",
+    "mandir",
+    "masamichi",
+    "mateusz",
+    "maxdepth",
+    "maxobjectid",
+    "mdash",
+    "memstream",
+    "mindepth",
+    "mkdir",
+    "mkinstalldirs",
+    "mklink",
+    "moddate",
+    "modifyannotations",
+    "monoseq",
+    "msvc",
+    "msvcrt",
+    "msvc's",
+    "msys",
+    "multithreaded",
+    "municode",
+    "mutators",
+    "namelink",
+    "nbsp",
+    "ndash",
+    "ndebug",
+    "nendstream",
+    "nfields",
+    "ngrandkids",
+    "nkids",
+    "nlines",
+    "nntree",
+    "nobjects",
+    "nocase",
+    "nodefaultlib",
+    "noout",
+    "notfound",
+    "nowarn",
+    "npages",
+    "nproc",
+    "nrounds",
+    "nshared",
+    "nsis",
+    "nspecs",
+    "nstripes",
+    "nullptr",
+    "numrange",
+    "nval",
+    "nwarnings",
+    "objdump",
+    "objectinfo",
+    "objgen",
+    "objidok",
+    "objok",
+    "objstm",
+    "odict",
+    "ofirst",
+    "oiter",
+    "olast",
+    "olimits",
+    "olist",
+    "omap",
+    "omatrix",
+    "onum",
+    "opages",
+    "opath",
+    "orred",
+    "ossl",
+    "ostream",
+    "ostringstream",
+    "ostringstreams",
+    "outdoc",
+    "outfile",
+    "outfilename",
+    "pacman",
+    "paeth",
+    "pagelabel",
+    "pagelabels",
+    "pageno",
+    "pageposfrom",
+    "parms",
+    "parseable",
+    "parsedoffset",
+    "patmv",
+    "patrepl",
+    "pavlyuk",
+    "pbytes",
+    "pclm",
+    "pcre",
+    "pdflatex",
+    "pdfs",
+    "pdfversion",
+    "pdlin",
+    "pfeifle",
+    "pikepdf",
+    "pikepdf's",
+    "pkgconfig",
+    "pldh",
+    "pluggable",
+    "pngify",
+    "pngpredictor",
+    "pointerholder",
+    "poppler",
+    "prebuild",
+    "precheck",
+    "prepended",
+    "prepending",
+    "printf",
+    "programfiles",
+    "programlisting",
+    "proxied",
+    "pushedinheritedpageresources",
+    "putu",
+    "pval",
+    "pytest",
+    "qarray",
+    "qdata",
+    "qdict",
+    "qexc",
+    "qintc",
+    "qnumbers",
+    "qpdf",
+    "qpdfacroformdocumenthelper",
+    "qpdfannotationobjecthelper",
+    "qpdfargparser",
+    "qpdfbuild",
+    "qpdfconstants",
+    "qpdfcrypto",
+    "qpdfcryptoimpl",
+    "qpdfcryptoprovider",
+    "qpdfdocumenthelper",
+    "qpdfef",
+    "qpdfefstreamobjecthelper",
+    "qpdfembeddedfiledocumenthelper",
+    "qpdfexc",
+    "qpdffake",
+    "qpdffilespecobjecthelper",
+    "qpdfformfieldobjecthelper",
+    "qpdfjob",
+    "qpdflogger",
+    "qpdfmatrix",
+    "qpdfnametreeobjecthelper",
+    "qpdfnumbertreeobjecthelper",
+    "qpdfobject",
+    "qpdfobjecthandle",
+    "qpdfobjecthelper",
+    "qpdfobjgen",
+    "qpdfoutlinedocumenthelper",
+    "qpdfoutlineobjecthelper",
+    "qpdfpagedocumenthelper",
+    "qpdfpagelabeldocumenthelper",
+    "qpdfpageobjecthelper",
+    "qpdfparser",
+    "qpdf's",
+    "qpdfs",
+    "qpdfstreamfilter",
+    "qpdfsystemerror",
+    "qpdftokenizer",
+    "qpdftypes",
+    "qpdfusage",
+    "qpdfvalue",
+    "qpdfwriter",
+    "qpdfx",
+    "qpdfxrefentry",
+    "qstream",
+    "qstrings",
+    "qtest",
+    "quadding",
+    "quotesinglbase",
+    "qutil",
+    "qwer",
+    "qwert",
+    "qwww",
+    "rcon",
+    "rdpp",
+    "rdquo",
+    "refcount",
+    "reimplement",
+    "resave",
+    "retargeted",
+    "rfont",
+    "rijndael",
+    "rkey",
+    "rklength",
+    "rpath",
+    "rstream",
+    "runlength",
+    "runpath",
+    "runtest",
+    "sahil",
+    "samp",
+    "sarray",
+    "scarff",
+    "seekable",
+    "segfaulting",
+    "setargv",
+    "setjmp",
+    "sharedresources",
+    "singlehtml",
+    "smatch",
+    "softlink",
+    "soname",
+    "soversion",
+    "sparseoharray",
+    "sphlib",
+    "sprintf",
+    "squote",
+    "srandom",
+    "srdp",
+    "sregex",
+    "startxref",
+    "stdexcept",
+    "stdint",
+    "stdlib",
+    "stdlib's",
+    "stgz",
+    "strcasecmp",
+    "strcmp",
+    "strequal",
+    "strerror",
+    "strtoui",
+    "struct",
+    "stylesheet",
+    "subclassing",
+    "subdirs",
+    "subkey",
+    "subkeys",
+    "subramanyam",
+    "swversion",
+    "sysroot",
+    "syuu",
+    "tbuf",
+    "testcase",
+    "testcov",
+    "testfile",
+    "texlive",
+    "tgen",
+    "tiffcmp",
+    "tiffpredictor",
+    "tmatrix",
+    "tnum",
+    "tobj",
+    "tobjid",
+    "toctree",
+    "toolchains",
+    "toplevel",
+    "transcoders",
+    "trueroad",
+    "tval",
+    "typeinfo",
+    "tzoff",
+    "tzset",
+    "uinow",
+    "uiter",
+    "ularge",
+    "ulink",
+    "uncategorized",
+    "uncompresesd",
+    "uncompress",
+    "uncompressing",
+    "unconflicting",
+    "underlaying",
+    "unencrypted",
+    "unexport",
+    "unfilterable",
+    "unparse",
+    "unpickling",
+    "unrepaired",
+    "unretrieved",
+    "unversioned",
+    "upages",
+    "upass",
+    "urandom",
+    "uval",
+    "variablelist",
+    "varlistentry",
+    "varname",
+    "vecs",
+    "virtualenv",
+    "vitaliy",
+    "vkey",
+    "vrlc",
+    "vtable",
+    "wchar",
+    "wconversion",
+    "wcslen",
+    "wdeprecated",
+    "weimer",
+    "werror",
+    "wfilename",
+    "wfilenamep",
+    "wflags",
+    "wfopen",
+    "wmain",
+    "wmatrix",
+    "wmode",
+    "wmodep",
+    "wnew",
+    "wordsize",
+    "wpath",
+    "wrename",
+    "wsetargv",
+    "wshadow",
+    "wsign",
+    "wunlink",
+    "xgen",
+    "xobject",
+    "xpacket",
+    "xpdf",
+    "xpost",
+    "xsltproc",
+    "yabcy",
+    "yscale",
+    "yuiop",
+    "zabcdefghi",
+    "žarko",
+    "žarko's",
+    "zdata",
+    "zdenek",
+    "zdenop",
+    "zeroize",
+    "zeroizing"
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/check_abi Added

@@ -0,0 +1,215 @@
+#!/usr/bin/env python3
+import os
+import sys
+import argparse
+import subprocess
+import re
+
+whoami = os.path.basename(sys.argv0)
+whereami = os.path.dirname(os.path.realpath(__file__))
+
+
+def warn(*args, **kwargs):
+    print(*args, file=sys.stderr, **kwargs)
+
+
+class Main:
+    def main(self, args=sys.argv1:, prog=whoami):
+        options = self.parse_args(args, prog)
+        if options.action == 'dump':
+            self.dump(options)
+        elif options.action == 'check-sizes':
+            self.check_sizes(options)
+        elif options.action == 'compare':
+            self.compare(options)
+        else:
+            exit(f'{whoami}: unknown action')
+
+    def parse_args(self, args, prog):
+        parser = argparse.ArgumentParser(
+            prog=prog,
+            # formatter_class=argparse.RawDescriptionHelpFormatter,
+            description='Check ABI for changes',
+        )
+
+        subparsers = parser.add_subparsers(
+            dest='action',
+            help='specify subcommand; run action with --help for details',
+            required=True)
+        lib_arg = ('--lib', {'help': 'library file', 'required': True})
+
+        p_dump = subparsers.add_parser(
+            'dump',
+            help='dump qpdf symbols in a library')
+        p_dump.add_argument(lib_arg0, **lib_arg1)
+
+        p_check_sizes = subparsers.add_parser(
+            'check-sizes',
+            help='check consistency between library and sizes.cc')
+        p_check_sizes.add_argument(lib_arg0, **lib_arg1)
+
+        p_compare = subparsers.add_parser(
+            'compare',
+            help='compare libraries and sizes')
+        p_compare.add_argument('--new-lib',
+                               help='new library file',
+                               required=True)
+        p_compare.add_argument('--old-lib',
+                               help='old library file',
+                               required=True)
+        p_compare.add_argument('--old-sizes',
+                               help='output of old sizes',
+                               required=True)
+        p_compare.add_argument('--new-sizes',
+                               help='output of new sizes',
+                               required=True)
+        return parser.parse_args(args)
+
+    def get_versions(self, path):
+        p = os.path.basename(os.path.realpath(path))
+        m = re.match(r'^libqpdf.so.(\d+).(\d+).(\d+)$', p)
+        if not m:
+            exit(f'{whoami}: {path} does end with libqpdf.so.x.y.z')
+        major = int(m.group(1))
+        minor = int(m.group(2))
+        patch = int(m.group(3))
+        return (major, minor, patch)
+
+    def get_symbols(self, path):
+        symbols = set()
+        p = subprocess.run(
+            'nm', '-D', '--demangle', '--with-symbol-versions', path,
+            stdout=subprocess.PIPE)
+        if p.returncode:
+            exit(f'{whoami}: failed to get symbols from {path}')
+        for line in p.stdout.decode().split('\n'):
+            # The LIBQPDF_\d+ comes from the version tag in
+            # libqpdf.map.in.
+            m = re.match(r'^0-9a-f+ (.) (.+)@@LIBQPDF_\d+\s*$', line)
+            if not m:
+                continue
+            symbols.add(m.group(2))
+        return symbols
+
+    def dump(self, options):
+        # This is just for manual use to investigate surprises.
+        for i in sorted(self.get_symbols(options.lib)):
+            print(i)
+
+    def check_sizes(self, options):
+        # Make sure that every class with methods in the public API
+        # appears in sizes.cc either explicitly ignored or in a
+        # print_size call. This enables us to reliably test whether
+        # any object changed size by following the ABI checking
+        # procedures outlined in README-maintainer.
+
+        # To keep things up to date, whenever we add or remove
+        # objects, we have to update sizes.cc. The check-sizes option
+        # can be run at any time on an up-to-date build.
+
+        lib = self.get_symbols(options.lib)
+        classes = set()
+        for i in sorted(lib):
+            # Find a symbol that looks like a class method.
+            m = re.match(
+                r'(((?:^\S*?::)?(?:^:\s+))::(^:\s+))(?:\^\+\)?$',
+                i)
+            if m:
+                full = m.group(1)
+                clas = m.group(2)
+                method = m.group(3)
+                if full.startswith('std::') or method.startswith('~'):
+                    # Sometimes std:: template instantiations make it
+                    # into the library. Ignore those. Also ignore
+                    # classes whose only exported method is a
+                    # destructor.
+                    continue
+                # Otherwise, if the class exports a method, we
+                # potentially care about changes to its size, so add
+                # it.
+                classes.add(clas)
+        in_sizes = set()
+        # Read the sizes.cc to make sure everything's there.
+        with open(os.path.join(whereami, 'qpdf/sizes.cc'), 'r') as f:
+            for line in f.readlines():
+                m = re.search(r'^\s*(?:ignore_class|print_size)\((.*?)$',
+                              line)
+                if m:
+                    in_sizes.add(m.group(1))
+        sizes_only = in_sizes - classes
+        classes_only = classes - in_sizes
+        if sizes_only or classes_only:
+            if sizes_only:
+                print("classes in sizes.cc but not in the library:")
+                for i in sorted(sizes_only):
+                    print(' ', i)
+            if classes_only:
+                print("classes in the library but not in sizes.cc:")
+                for i in sorted(classes_only):
+                    print(' ', i)
+            exit(f'{whoami}: mismatch between library and sizes.cc')
+        else:
+            print(f'{whoami}: sizes.cc is consistent with the library')
+
+    def read_sizes(self, filename):
+        sizes = {}
+        with open(filename, 'r') as f:
+            for line in f.readlines():
+                line = line.strip()
+                m = re.match(r'^(.*) (\d+)$', line)
+                if not m:
+                    exit(f'{filename}: bad sizes line: {line}')
+                sizesm.group(1) = m.group(2)
+        return sizes
+
+    def compare(self, options):
+        old_version = self.get_versions(options.old_lib)
+        new_version = self.get_versions(options.new_lib)
+        old = self.get_symbols(options.old_lib)
+        new = self.get_symbols(options.new_lib)
+        if old_version > new_version:
+            exit(f'{whoami}: old version is newer than new version')
+        allow_abi_change = new_version0 > old_version0
+        allow_added = allow_abi_change or (new_version1 > old_version1)
+        removed = sorted(old - new)
+        added = sorted(new - old)
+        if removed:
+            print('INTERFACES REMOVED:')
+            for i in removed:
+                print(' ', i)
+        else:
+            print('No interfaces were removed')
+        if added:
+            print('INTERFACES ADDED')
+            for i in added:
+                print(' ', i)
+        else:
+            print('No interfaces were added')
+
+        if removed and not allow_abi_change:
+            exit(f'{whoami}: **ERROR**: major version must be bumped')
+        elif added and not allow_added:
+            exit(f'{whoami}: **ERROR**: minor version must be bumped')
+        else:
+            print(f'{whoami}: ABI check passed.')
+
+        old_sizes = self.read_sizes(options.old_sizes)
+        new_sizes = self.read_sizes(options.new_sizes)
+        size_errors = False
+        for k, v in old_sizes.items():
+            if k in new_sizes and v != new_sizesk:
+                size_errors = True
+                print(f'{k} changed size from {v} to {new_sizesk}')
+        if size_errors:
+            if not allow_abi_change:
+                exit(f'{whoami}:'
+                     'size changes detected; this is an ABI change.')
+        else:
+            print(f'{whoami}: no size changes detected')
+
+
+if __name__ == '__main__':
+    try:
+        Main().main()
+    except KeyboardInterrupt:
+        exit(130)

_service:tar_scm:qpdf-11.1.0.tar.gz/check_assert Added

@@ -0,0 +1,62 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use File::Basename;
+
+my $whoami = basename($0);
+chdir(dirname($0)) or die;
+
+my $errors = 0;
+foreach my $file (glob('*/*.c'), glob('*/*.cc'),
+                  glob('*/*/*.h'), glob('*/*/*.hh'))
+{
+    my $assert_test = 0;
+    if ($file =~ m,^libqpdf/qpdf/assert_,)
+    {
+        next;
+    }
+    open(F, "<$file") or die;
+    my $first_include = undef;
+    while (<F>)
+    {
+        if (m,^\s*#\s*include <qpdf/assert_(.*?).h>,)
+        {
+            if ($1 eq 'test')
+            {
+                $assert_test = 1;
+            }
+            if (defined $first_include)
+            {
+                error("$file:$.: qpdf/assert header must be first");
+            }
+        }
+        if (m,^\s*#\s*include <(.*?)>,)
+        {
+            my $header = $1;
+            if (($header eq 'cassert') || ($header eq 'assert.h'))
+            {
+                error("$file:$.: assert.h and cassert are not allowed --" .
+                      " use one of the qpdf/assert_ files instead");
+            }
+            $first_include = 1;
+        }
+        if ((! $assert_test) && (m/assert\(/))
+        {
+            error("$file:$.: call qpdf_assert_debug instead of assert");
+        }
+    }
+    close(F);
+}
+if ($errors)
+{
+    die "$whoami: errors detected\n";
+}
+print "$whoami: no incorrect use of assert found\n";
+
+sub error
+{
+    my $msg = shift;
+    warn $msg, "\n";
+    $errors = 1;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/cmake Added

_service:tar_scm:qpdf-11.1.0.tar.gz/cmake-win Added

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -e
+whoami=$(basename $0)
+tool=$1
+mode=$2
+
+dir=$(realpath --relative-to . $(dirname $0))
+if  "$dir" = "." ; then
+    echo 1>&2 "$whoami: run from other than the source directory."
+    exit 2
+fi
+declare -a args
+case $tool in
+    msvc)
+        args=(-DCMAKE_BUILD_TYPE=RelWithDebInfo)
+        if cl 2>&1 | grep -q 'for x86'; then
+            args=("${args@}" -A win32)
+        fi
+        ;;
+    mingw)
+        args=(-G 'MSYS Makefiles' -DCMAKE_BUILD_TYPE=RelWithDebInfo)
+        ;;
+    *)
+        echo 1>&2 "Usage: $whoami {msvc|mingw}"
+        exit 2
+        ;;
+esac
+if  "$mode" = "maint" ; then
+    args=("${args@}" -DWERROR=1 -DBUILD_STATIC_LIBS=0)
+elif  "$mode" = "ci" ; then
+    args=("${args@}" -DCI_MODE=1 -DINSTALL_MANUAL=1)
+fi
+
+set -x
+cmake "${args@}" $dir
+set +x
+if  "$tool" = "msvc" ; then
+    echo ""
+    echo "*****************************************************************"
+    echo "*** Remember to pass --config RelWithDebInfo to cmake --build ***"
+    echo "***  and -C RelWithDebInfo to ctest                           ***"
+    echo "*****************************************************************"
+    echo ""
+fi

_service:tar_scm:qpdf-11.1.0.tar.gz/cmake/qpdfCheckFlag.cmake Added

_service:tar_scm:qpdf-8.4.2.tar.gz/copy_dlls -> _service:tar_scm:qpdf-11.1.0.tar.gz/copy_dlls Changed

@@ -1,14 +1,14 @@
 #!/usr/bin/env perl
-
 require 5.008;
-BEGIN { $^W = 1; }
+use warnings;
 use strict;
 use File::Basename;
+use File::Path qw(make_path);
 
 my $whoami = basename($0);
 
-usage() unless @ARGV == 4;
-my ($file, $destdir, $objdump, $windows_wordsize) = @ARGV;
+usage() unless @ARGV == 3;
+my ($file, $libqpdf, $destdir) = @ARGV;
 my $filedir = dirname($file);
 
 my $sep = ($^O eq 'MSWin32' ? ';' : ':');
@@ -20,28 +20,6 @@
         push(@path, split($sep, $ENV{$var}));
     }
 }
-my $redist_suffix = (($windows_wordsize eq '64') ? "x64" : "x86");
-if (exists $ENV{'VCINSTALLDIR'})
-{
-    my $redist = $ENV{'VCINSTALLDIR'} . "/Redist/$redist_suffix";
-    if (opendir(D, $redist))
-    {
-        my @entries = readdir(D);
-        closedir(D);
-        foreach my $e (@entries)
-        {
-            if ($e =~ m/\.CRT$/i)
-            {
-                unshift(@path, "$redist/$e");
-            }
-        }
-    }
-}
-if (exists $ENV{'UniversalCRTSdkDir'})
-{
-    my $redist = $ENV{'UniversalCRTSdkDir'} . "/Redist/ucrt/DLLs/$redist_suffix";
-    unshift(@path, $redist);
-}
 
 my $format = undef;
 my @to_find = get_dlls($file);
@@ -53,13 +31,16 @@
 {
     my $dll = shift(@to_find);
     my $found = 0;
-    foreach my $dir (@path)
+    foreach my $dir ($libqpdf, @path)
     {
         if ((-f "$dir/$dll") && is_format("$dir/$dll", $format))
         {
             if (! exists $final{$dll})
             {
-                $final{$dll} = "$dir/$dll";
+                if ($dir ne $libqpdf)
+                {
+                    $final{$dll} = "$dir/$dll";
+                }
                 push(@to_find, get_dlls("$dir/$dll"));
             }
             $found = 1;
@@ -77,6 +58,7 @@
 	join(', ', @notfound), "\n";
 }
 
+make_path($destdir);
 foreach my $dll (sort keys (%final))
 {
     my $f = $final{$dll};
@@ -90,7 +72,7 @@
 {
     my @result = ();
     my $exe = shift;
-    open(O, "$objdump -p \"$exe\"|") or die "$whoami: can't run objdump\n";
+    open(O, "objdump -p \"$exe\"|") or die "$whoami: can't run objdump\n";
     while (<O>)
     {
         if (m/^\s+DLL Name:\s+(.+\.dll)/i)
@@ -98,6 +80,7 @@
             my $dll = $1;
             $dll =~ tr/A-Z/a-z/;
             next if $dll =~ m/^(kernel32|user32|msvcrt|advapi32)\.dll$/;
+            next if $dll =~ m/^(api-ms-win.*|ws2_32|crypt32|bcrypt)\.dll$/;
             push(@result, $dll);
         }
         elsif (m/^Magic.*$(PE.+?)$/)
@@ -140,5 +123,5 @@
 
 sub usage
 {
-    die "Usage: $whoami {exe|dll} destdir\n";
+    die "Usage: $whoami {exe|dll} libqpdf-dir destdir\n";
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/CMakeLists.txt Added

@@ -0,0 +1,54 @@
+set(EXAMPLE_CXX_PROGRAMS
+  pdf-attach-file
+  pdf-bookmarks
+  pdf-count-strings
+  pdf-create
+  pdf-custom-filter
+  pdf-double-page-size
+  pdf-filter-tokens
+  pdf-invert-images
+  pdf-mod-info
+  pdf-name-number-tree
+  pdf-npages
+  pdf-overlay-page
+  pdf-parse-content
+  pdf-set-form-values
+  pdf-split-pages
+  qpdf-job
+  qpdfjob-save-attachment)
+set(EXAMPLE_C_PROGRAMS
+  pdf-c-objects
+  pdf-linearize
+  qpdfjob-c
+  qpdfjob-c-save-attachment)
+
+foreach(PROG ${EXAMPLE_CXX_PROGRAMS})
+  add_executable(${PROG} ${PROG}.cc)
+  target_link_libraries(${PROG} libqpdf)
+endforeach()
+foreach(PROG ${EXAMPLE_C_PROGRAMS})
+  add_executable(${PROG} ${PROG}.c)
+  target_link_libraries(${PROG} libqpdf)
+  set_property(TARGET ${PROG} PROPERTY LINKER_LANGUAGE CXX)
+endforeach()
+target_include_directories(pdf-create PRIVATE ${JPEG_INCLUDE})
+
+add_test(
+  NAME examples
+  COMMAND ${RUN_QTEST}
+  --top ${qpdf_SOURCE_DIR}
+  --bin $<TARGET_FILE_DIR:pdf-create>
+  --bin $<TARGET_FILE_DIR:qpdf>
+  --bin $<TARGET_FILE_DIR:libqpdf>  # for Windows to find DLL
+  --code ${qpdf_SOURCE_DIR}/examples
+  --color ${QTEST_COLOR}
+  --show-on-failure ${SHOW_FAILED_TEST_OUTPUT}
+  --tc "${qpdf_SOURCE_DIR}/examples/*.cc"
+  --tc "${qpdf_SOURCE_DIR}/examples/*.c")
+
+file(GLOB EXAMPLES_SRC "*.c" "*.cc")
+if(INSTALL_EXAMPLES)
+  install(FILES ${EXAMPLES_SRC}
+    DESTINATION ${CMAKE_INSTALL_DOCDIR}/examples
+    COMPONENT ${COMPONENT_EXAMPLES})
+endif()

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-attach-file.cc Added

@@ -0,0 +1,221 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFEmbeddedFileDocumentHelper.hh>
+#include <qpdf/QPDFFileSpecObjectHelper.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QUtil.hh>
+
+#include <cstring>
+#include <iostream>
+
+//
+// This example attaches a file to an input file, adds a page to the
+// beginning of the file that includes a file attachment annotation,
+// and writes the result to an output file. It also illustrates a
+// number of new API calls that were added in qpdf 10.2 as well as
+// the use of the qpdf literal syntax introduced in qpdf 10.6.
+//
+
+static char const* whoami = nullptr;
+
+static void
+usage(std::string const& msg)
+{
+    std::cerr << msg << std::endl
+              << std::endl
+              << "Usage: " << whoami << " options" << std::endl
+              << "Options:" << std::endl
+              << " --infile infile.pdf" << std::endl
+              << " --outfile outfile.pdf" << std::endl
+              << " --attachment attachment" << std::endl
+              << " --password infile-password" << std::endl
+              << " --mimetype attachment mime type" << std::endl;
+    exit(2);
+}
+
+static void
+process(
+    char const* infilename,
+    char const* password,
+    char const* attachment,
+    char const* mimetype,
+    char const* outfilename)
+{
+    QPDF q;
+    q.processFile(infilename, password);
+
+    // Create an indirect object for the built-in Helvetica font. This
+    // uses the qpdf literal syntax introduced in qpdf 10.6.
+    auto f1 = q.makeIndirectObject(
+        // force line-break
+        "<<"
+        "  /Type /Font"
+        "  /Subtype /Type1"
+        "  /Name /F1"
+        "  /BaseFont /Helvetica"
+        "  /Encoding /WinAnsiEncoding"
+        ">>"_qpdf);
+
+    // Create a resources dictionary with fonts. This uses the new
+    // parse introduced in qpdf 10.2 that takes a QPDF* and allows
+    // indirect object references.
+    auto resources = q.makeIndirectObject(
+        // line-break
+        QPDFObjectHandle::parse(
+            &q,
+            ("<<"
+             "  /Font <<"
+             "    /F1 " +
+             f1.unparse() +
+             "  >>"
+             ">>")));
+
+    // Create a file spec.
+    std::string key = QUtil::path_basename(attachment);
+    std::cout << whoami << ": attaching " << attachment << " as " << key
+              << std::endl;
+    auto fs = QPDFFileSpecObjectHelper::createFileSpec(q, key, attachment);
+
+    if (mimetype) {
+        // Get an embedded file stream and set mimetype
+        auto ef = QPDFEFStreamObjectHelper(fs.getEmbeddedFileStream());
+        ef.setSubtype(mimetype);
+    }
+
+    // Add the embedded file at the document level as an attachment.
+    auto efdh = QPDFEmbeddedFileDocumentHelper(q);
+    efdh.replaceEmbeddedFile(key, fs);
+
+    // Create a file attachment annotation.
+
+    // Create appearance stream for the attachment.
+
+    auto ap = QPDFObjectHandle::newStream(
+        &q,
+        "0 10 m\n"
+        "10 0 l\n"
+        "20 10 l\n"
+        "10 0 m\n"
+        "10 20 l\n"
+        "0 0 20 20 re\n"
+        "S\n");
+    auto apdict = ap.getDict();
+
+    // The following four lines demonstrate the use of the qpdf literal syntax
+    // introduced in qpdf 10.6. They could have been written as:
+    // apdict.replaceKey("/Resources", QPDFObjectHandle::newDictionary());
+    // apdict.replaceKey("/Type", QPDFObjectHandle::newName("/XObject"));
+    // apdict.replaceKey("/Subtype", QPDFObjectHandle::newName("/Form"));
+    // apdict.replaceKey("/BBox", QPDFObjectHandle::parse(" 0 0 20 20 "));
+    apdict.replaceKey("/Resources", "<< >>"_qpdf);
+    apdict.replaceKey("/Type", "/XObject"_qpdf);
+    apdict.replaceKey("/Subtype", "/Form"_qpdf);
+    apdict.replaceKey("/BBox", " 0 0 20 20 "_qpdf);
+    auto annot = q.makeIndirectObject(QPDFObjectHandle::parse(
+        &q,
+        ("<<"
+         "  /AP <<"
+         "    /N " +
+         ap.unparse() +
+         "  >>"
+         "  /Contents " +
+         QPDFObjectHandle::newUnicodeString(attachment).unparse() + "  /FS " +
+         fs.getObjectHandle().unparse() + "  /NM " +
+         QPDFObjectHandle::newUnicodeString(attachment).unparse() +
+         "  /Rect  72 700 92 720 "
+         "  /Subtype /FileAttachment"
+         "  /Type /Annot"
+         ">>")));
+
+    // Generate contents for the page.
+    auto contents = QPDFObjectHandle::newStream(
+        &q,
+        ("q\n"
+         "BT\n"
+         "  102 700 Td\n"
+         "  /F1 16 Tf\n"
+         "  (Here is an attachment.) Tj\n"
+         "ET\n"
+         "Q\n"));
+
+    // Create the page object.
+    auto page = QPDFObjectHandle::parse(
+        &q,
+        ("<<"
+         "  /Annots  " +
+         annot.unparse() +
+         " "
+         "  /Contents " +
+         contents.unparse() +
+         "  /MediaBox 0 0 612 792"
+         "  /Resources " +
+         resources.unparse() +
+         "  /Type /Page"
+         ">>"));
+
+    // Add the page.
+    q.addPage(page, true);
+
+    QPDFWriter w(q, outfilename);
+    w.setQDFMode(true);
+    w.setSuppressOriginalObjectIDs(true);
+    w.setDeterministicID(true);
+    w.write();
+}
+
+int
+main(int argc, char* argv)
+{
+    whoami = QUtil::getWhoami(argv0);
+
+    char const* infilename = nullptr;
+    char const* password = nullptr;
+    char const* attachment = nullptr;
+    char const* outfilename = nullptr;
+    char const* mimetype = nullptr;
+
+    auto check_arg = (char const* arg, std::string const& msg) {
+        if (arg == nullptr) {
+            usage(msg);
+        }
+    };
+
+    for (int i = 1; i < argc; ++i) {
+        char* arg = argvi;
+        char* next = argvi + 1;
+        if (strcmp(arg, "--infile") == 0) {
+            check_arg(next, "--infile takes an argument");
+            infilename = next;
+            ++i;
+        } else if (strcmp(arg, "--password") == 0) {
+            check_arg(next, "--password takes an argument");
+            password = next;
+            ++i;
+        } else if (strcmp(arg, "--attachment") == 0) {
+            check_arg(next, "--attachment takes an argument");
+            attachment = next;
+            ++i;
+        } else if (strcmp(arg, "--outfile") == 0) {
+            check_arg(next, "--outfile takes an argument");
+            outfilename = next;
+            ++i;
+        } else if (strcmp(arg, "--mimetype") == 0) {
+            check_arg(next, "--mimetype takes an argument");
+            mimetype = next;
+            ++i;
+        } else {
+            usage("unknown argument " + std::string(arg));
+        }
+    }
+    if (!(infilename && attachment && outfilename)) {
+        usage("required arguments were not provided");
+    }
+
+    try {
+        process(infilename, password, attachment, mimetype, outfilename);
+    } catch (std::exception& e) {
+        std::cerr << whoami << " exception: " << e.what() << std::endl;
+        exit(2);
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-bookmarks.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-bookmarks.cc Changed

@@ -1,87 +1,81 @@
-#include <iostream>
-#include <string.h>
-#include <stdlib.h>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
-#include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFOutlineDocumentHelper.hh>
-#include <qpdf/QUtil.hh>
+#include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <iostream>
+#include <stdlib.h>
+#include <string.h>
 
 // This program demonstrates extraction of bookmarks using the qpdf
 // outlines API. Note that all the information shown by this program
 // can also be obtained from a PDF file using qpdf's --json option.
+//
+// Ignore calls to QTC::TC - they are for qpdf CI testing only.
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 static enum { st_none, st_numbers, st_lines } style = st_none;
 static bool show_open = false;
 static bool show_targets = false;
 static std::map<QPDFObjGen, int> page_map;
 
-void usage()
+void
+usage()
 {
-    std::cerr << "Usage: " << whoami << " options file.pdf password"
-	      << std::endl
-	      << "Options:" << std::endl
-	      << "  -numbers        give bookmarks outline-style numbers"
-	      << std::endl
-	      << "  -lines          draw lines to show bookmark hierarchy"
-	      << std::endl
-	      << "  -show-open      indicate whether a bookmark is initially open"
-	      << std::endl
-	      << "  -show-targets   show target if possible"
-	      << std::endl;
+    std::cerr
+        << "Usage: " << whoami << " options file.pdf password" << std::endl
+        << "Options:" << std::endl
+        << "  --numbers        give bookmarks outline-style numbers"
+        << std::endl
+        << "  --lines          draw lines to show bookmark hierarchy"
+        << std::endl
+        << "  --show-open      indicate whether a bookmark is initially open"
+        << std::endl
+        << "  --show-targets   show target if possible" << std::endl;
     exit(2);
 }
 
-void print_lines(std::vector<int>& numbers)
+void
+print_lines(std::vector<int>& numbers)
 {
-    for (unsigned int i = 0; i < numbers.size() - 1; ++i)
-    {
-	if (numbers.at(i))
-	{
-	    std::cout << "| ";
-	}
-	else
-	{
-	    std::cout << "  ";
-	}
+    for (unsigned int i = 0; i < numbers.size() - 1; ++i) {
+        if (numbers.at(i)) {
+            std::cout << "| ";
+        } else {
+            std::cout << "  ";
+        }
     }
 }
 
-void generate_page_map(QPDF& qpdf)
+void
+generate_page_map(QPDF& qpdf)
 {
     QPDFPageDocumentHelper dh(qpdf);
-    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
     int n = 0;
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-	 iter != pages.end(); ++iter)
-    {
-	QPDFObjectHandle oh = (*iter).getObjectHandle();
-	page_mapoh.getObjGen() = ++n;
+    for (auto const& page: dh.getAllPages()) {
+        page_mappage.getObjectHandle().getObjGen() = ++n;
     }
 }
 
-void show_bookmark_details(QPDFOutlineObjectHelper outline,
-                           std::vector<int> numbers)
+void
+show_bookmark_details(QPDFOutlineObjectHelper outline, std::vector<int> numbers)
 {
     // No default so gcc will warn on missing tag
-    switch (style)
-    {
-      case st_none:
+    switch (style) {
+    case st_none:
         QTC::TC("examples", "pdf-bookmarks none");
         break;
 
-      case st_numbers:
+    case st_numbers:
         QTC::TC("examples", "pdf-bookmarks numbers");
-        for (std::vector<int>::iterator iter = numbers.begin();
-             iter != numbers.end(); ++iter)
-        {
-            std::cout << *iter << ".";
+        for (auto const& number: numbers) {
+            std::cout << number << ".";
         }
         std::cout << " ";
         break;
 
-      case st_lines:
+    case st_lines:
         QTC::TC("examples", "pdf-bookmarks lines");
         print_lines(numbers);
         std::cout << "|" << std::endl;
@@ -90,42 +84,32 @@
         break;
     }
 
-    if (show_open)
-    {
+    if (show_open) {
         int count = outline.getCount();
-        if (count)
-        {
+        if (count) {
             QTC::TC("examples", "pdf-bookmarks has count");
-            if (count > 0)
-            {
+            if (count > 0) {
                 // hierarchy is open at this point
                 QTC::TC("examples", "pdf-bookmarks open");
                 std::cout << "(v) ";
-            }
-            else
-            {
+            } else {
                 QTC::TC("examples", "pdf-bookmarks closed");
                 std::cout << "(>) ";
             }
-        }
-        else
-        {
+        } else {
             QTC::TC("examples", "pdf-bookmarks no count");
             std::cout << "( ) ";
         }
     }
 
-    if (show_targets)
-    {
+    if (show_targets) {
         QTC::TC("examples", "pdf-bookmarks targets");
         std::string target = "unknown";
         QPDFObjectHandle dest_page = outline.getDestPage();
-        if (! dest_page.isNull())
-        {
+        if (!dest_page.isNull()) {
             QTC::TC("examples", "pdf-bookmarks dest");
             QPDFObjGen og = dest_page.getObjGen();
-            if (page_map.count(og))
-            {
+            if (page_map.count(og)) {
                 target = QUtil::int_to_string(page_mapog);
             }
         }
@@ -135,117 +119,86 @@
     std::cout << outline.getTitle() << std::endl;
 }
 
-void extract_bookmarks(std::list<QPDFOutlineObjectHelper> outlines,
-                       std::vector<int>& numbers)
+void
+extract_bookmarks(
+    std::vector<QPDFOutlineObjectHelper> outlines, std::vector<int>& numbers)
 {
-    numbers.push_back(0);
-    for (std::list<QPDFOutlineObjectHelper>::iterator iter = outlines.begin();
-         iter != outlines.end(); ++iter)
-    {
+    // For style == st_numbers, numbers.at(n) contains the numerical
+    // label for the outline, so we count up from 1.
+    // For style == st_lines, numbers.at(n) == 0 indicates the last
+    // outline at level n, and we don't otherwise care what the value
+    // is, so we count up to zero.
+    numbers.push_back(
+        (style == st_lines) ? -QIntC::to_int(outlines.size()) : 0);
+    for (auto& outline: outlines) {
         ++(numbers.back());
-        show_bookmark_details(*iter, numbers);
-        std::list<QPDFOutlineObjectHelper>::iterator next = iter;
-        ++next;
-        bool has_next = (next != outlines.end());
-        if ((style == st_lines) && (! has_next))
-        {
-            numbers.back() = 0;
-        }
-        extract_bookmarks((*iter).getKids(), numbers);
+        show_bookmark_details(outline, numbers);
+        extract_bookmarks(outline.getKids(), numbers);
     }
     numbers.pop_back();
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
-    if ((argc == 2) && (strcmp(argv1, "--version") == 0))
-    {
-	std::cout << whoami << " version 1.5" << std::endl;
-	exit(0);
+    if ((argc == 2) && (strcmp(argv1, "--version") == 0)) {
+        std::cout << whoami << " version 1.5" << std::endl;
+        exit(0);
     }
 
     int arg;
-    for (arg = 1; arg < argc; ++arg)
-    {
-	if (argvarg0 == '-')
-	{
-	    if (strcmp(argvarg, "-numbers") == 0)
-	    {
-		style = st_numbers;
-	    }
-	    else if (strcmp(argvarg, "-lines") == 0)
-	    {
-		style = st_lines;
-	    }
-	    else if (strcmp(argvarg, "-show-open") == 0)
-	    {
-		show_open = true;
-	    }
-	    else if (strcmp(argvarg, "-show-targets") == 0)
-	    {
-		show_targets = true;
-	    }
-	    else
-	    {
-		usage();
-	    }
-	}
-	else
-	{
-	    break;
-	}
+    for (arg = 1; arg < argc; ++arg) {
+        if (argvarg0 == '-') {
+            if (strcmp(argvarg, "--numbers") == 0) {
+                style = st_numbers;
+            } else if (strcmp(argvarg, "--lines") == 0) {
+                style = st_lines;
+            } else if (strcmp(argvarg, "--show-open") == 0) {
+                show_open = true;
+            } else if (strcmp(argvarg, "--show-targets") == 0) {
+                show_targets = true;
+            } else {
+                usage();
+            }
+        } else {
+            break;
+        }
     }
 
-    if (arg >= argc)
-    {
-	usage();
+    if (arg >= argc) {
+        usage();
     }
 
     char const* filename = argvarg++;
     char const* password = "";
 
-    if (arg < argc)
-    {
-	password = argvarg++;
+    if (arg < argc) {
+        password = argvarg++;
     }
-    if (arg != argc)
-    {
-	usage();
+    if (arg != argc) {
+        usage();
     }
 
-    try
-    {
-	QPDF qpdf;
-	qpdf.processFile(filename, password);
+    try {
+        QPDF qpdf;
+        qpdf.processFile(filename, password);
 
         QPDFOutlineDocumentHelper odh(qpdf);
-	if (odh.hasOutlines())
-	{
-	    std::vector<int> numbers;
-	    if (show_targets)
-	    {
-		generate_page_map(qpdf);
-	    }
-	    extract_bookmarks(odh.getTopLevelOutlines(), numbers);
-	}
-	else
-	{
-	    std::cout << filename << " has no bookmarks" << std::endl;
-	}
-    }
-    catch (std::exception &e)
-    {
-	std::cerr << whoami << " processing file " << filename << ": "
-		  << e.what() << std::endl;
-	exit(2);
+        if (odh.hasOutlines()) {
+            std::vector<int> numbers;
+            if (show_targets) {
+                generate_page_map(qpdf);
+            }
+            extract_bookmarks(odh.getTopLevelOutlines(), numbers);
+        } else {
+            std::cout << filename << " has no bookmarks" << std::endl;
+        }
+    } catch (std::exception& e) {
+        std::cerr << whoami << " processing file " << filename << ": "
+                  << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-c-objects.c Added

@@ -0,0 +1,103 @@
+/*
+ * This is an example program to demonstrate use of object handle
+ * functions in the C API.
+ */
+
+#include <qpdf/qpdf-c.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static char const* whoami = 0;
+
+static void
+usage()
+{
+    fprintf(stderr, "Usage: %s infile infile-password outfile\n", whoami);
+    exit(2);
+}
+
+QPDF_BOOL
+modify_file(qpdf_data qpdf)
+{
+    /* This small example performs the following operation on the
+     * document catalog (a.k.a. root):
+     * - Remove PageLayout
+     * - Remove OpenAction
+     * - If there are outlines, set PageMode to UseOutlines; otherwise,
+     *   remove it.
+     */
+
+    qpdf_oh root = qpdf_get_root(qpdf);
+    qpdf_oh_remove_key(qpdf, root, "/PageLayout");
+    qpdf_oh_remove_key(qpdf, root, "/OpenAction");
+    /* 0 is never a valid qpdf_oh */
+    qpdf_oh pagemode = 0;
+    if (qpdf_oh_is_dictionary(
+            qpdf, qpdf_oh_get_key(qpdf, root, "/PageLabels"))) {
+        pagemode = qpdf_oh_new_name(qpdf, "/UseOutlines");
+    } else {
+        pagemode = qpdf_oh_new_null(qpdf);
+    }
+    qpdf_oh_replace_or_remove_key(qpdf, root, "/PageMode", pagemode);
+
+    return QPDF_TRUE;
+}
+
+int
+main(int argc, char* argv)
+{
+    char* infile = NULL;
+    char* password = NULL;
+    char* outfile = NULL;
+    qpdf_data qpdf = qpdf_init();
+    int warnings = 0;
+    int errors = 0;
+    char* p = 0;
+
+    if ((p = strrchr(argv0, '/')) != NULL) {
+        whoami = p + 1;
+    } else if ((p = strrchr(argv0, '\\')) != NULL) {
+        whoami = p + 1;
+    } else {
+        whoami = argv0;
+    }
+
+    if (argc != 4) {
+        usage();
+    }
+
+    infile = argv1;
+    password = argv2;
+    outfile = argv3;
+
+    if (((qpdf_read(qpdf, infile, password) & QPDF_ERRORS) == 0) &&
+        modify_file(qpdf) &&
+        ((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0)) {
+        /* Use static ID for testing only. For production, a
+         * non-static ID is used. See also
+         * qpdf_set_deterministic_ID. */
+        qpdf_set_static_ID(qpdf, QPDF_TRUE); /* for testing only */
+        qpdf_write(qpdf);
+    }
+    while (qpdf_more_warnings(qpdf)) {
+        warnings = 1;
+        printf(
+            "warning: %s\n",
+            qpdf_get_error_full_text(qpdf, qpdf_next_warning(qpdf)));
+    }
+    if (qpdf_has_error(qpdf)) {
+        errors = 1;
+        printf(
+            "error: %s\n",
+            qpdf_get_error_full_text(qpdf, qpdf_get_error(qpdf)));
+    }
+    qpdf_cleanup(&qpdf);
+    if (errors) {
+        return 2;
+    } else if (warnings) {
+        return 3;
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-count-strings.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-count-strings.cc Changed

@@ -1,28 +1,27 @@
 //
 // This example illustrates the use of QPDFObjectHandle::TokenFilter
-// with filterPageContents. See also pdf-filter-tokens.cc for an
-// example that uses QPDFObjectHandle::TokenFilter with
-// addContentTokenFilter.
+// with filterContents. See also pdf-filter-tokens.cc for an example
+// that uses QPDFObjectHandle::TokenFilter with addContentTokenFilter.
 //
 
 #include <iostream>
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
+#include <qpdf/Pl_StdioFile.hh>
 #include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/QPDFObjectHandle.hh>
-#include <qpdf/Pl_StdioFile.hh>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " infile" << std::endl
-	      << "Applies token filters to infile"
-              << std::endl;
+              << "Applies token filters to infile" << std::endl;
     exit(2);
 }
 
@@ -33,9 +32,7 @@
         count(0)
     {
     }
-    virtual ~StringCounter()
-    {
-    }
+    virtual ~StringCounter() = default;
     virtual void handleToken(QPDFTokenizer::Token const&);
     virtual void handleEOF();
     int getCount() const;
@@ -48,8 +45,7 @@
 StringCounter::handleToken(QPDFTokenizer::Token const& token)
 {
     // Count string tokens
-    if (token.getType() == QPDFTokenizer::tt_string)
-    {
+    if (token.getType() == QPDFTokenizer::tt_string) {
         ++this->count;
     }
     // Preserve input verbatim by passing each token to any specified
@@ -72,60 +68,43 @@
     return this->count;
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
-    if (argc != 2)
-    {
-	usage();
+    if (argc != 2) {
+        usage();
     }
     char const* infilename = argv1;
 
-    try
-    {
-	QPDF pdf;
-	pdf.processFile(infilename);
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
+    try {
+        QPDF pdf;
+        pdf.processFile(infilename);
         int pageno = 0;
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            QPDFPageObjectHelper& ph(*iter);
+        for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
             ++pageno;
             // Pass the contents of a page through our string counter.
             // If it's an even page, capture the output. This
             // illustrates that you may capture any output generated
             // by the filter, or you may ignore it.
             StringCounter counter;
-            if (pageno % 2)
-            {
+            if (pageno % 2) {
                 // Ignore output for odd pages.
-                ph.filterPageContents(&counter);
-            }
-            else
-            {
+                page.filterContents(&counter);
+            } else {
                 // Write output to stdout for even pages.
                 Pl_StdioFile out("stdout", stdout);
                 std::cout << "% Contents of page " << pageno << std::endl;
-                ph.filterPageContents(&counter, &out);
+                page.filterContents(&counter, &out);
                 std::cout << "\n% end " << pageno << std::endl;
             }
             std::cout << "Page " << pageno
                       << ": strings = " << counter.getCount() << std::endl;
         }
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << whoami << ": " << e.what() << std::endl;
-	exit(2);
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-create.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-create.cc Changed

@@ -5,46 +5,46 @@
 // StreamDataProvider with different types of filters.
 //
 
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_DCT.hh>
+#include <qpdf/Pl_RunLength.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
 #include <qpdf/QPDFWriter.hh>
-#include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/Pl_Buffer.hh>
-#include <qpdf/Pl_RunLength.hh>
-#include <qpdf/Pl_DCT.hh>
 #include <iostream>
-#include <string.h>
+#include <memory>
 #include <stdlib.h>
+#include <string.h>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
 // This is a simple StreamDataProvider that writes image data for an
 // orange square of the given width and height.
 class ImageProvider: public QPDFObjectHandle::StreamDataProvider
 {
   public:
-    ImageProvider(std::string const& color_space,
-                  std::string const& filter);
-    virtual ~ImageProvider();
-    virtual void provideStreamData(int objid, int generation,
-				   Pipeline* pipeline);
-    int getWidth() const;
-    int getHeight() const;
+    ImageProvider(std::string const& color_space, std::string const& filter);
+    virtual ~ImageProvider() = default;
+    virtual void provideStreamData(QPDFObjGen const&, Pipeline* pipeline);
+    size_t getWidth() const;
+    size_t getHeight() const;
 
   private:
-    int width;
-    int stripe_height;
+    size_t width;
+    size_t stripe_height;
     std::string color_space;
     std::string filter;
-    int n_stripes;
+    size_t n_stripes;
     std::vector<std::string> stripes;
     J_COLOR_SPACE j_color_space;
 };
 
-ImageProvider::ImageProvider(std::string const& color_space,
-                             std::string const& filter) :
+ImageProvider::ImageProvider(
+    std::string const& color_space, std::string const& filter) :
     width(400),
     stripe_height(80),
     color_space(color_space),
@@ -52,8 +52,7 @@
     n_stripes(6),
     j_color_space(JCS_UNKNOWN)
 {
-    if (color_space == "/DeviceCMYK")
-    {
+    if (color_space == "/DeviceCMYK") {
         j_color_space = JCS_CMYK;
         stripes.push_back(std::string("\xff\x00\x00\x00", 4));
         stripes.push_back(std::string("\x00\xff\x00\x00", 4));
@@ -61,9 +60,7 @@
         stripes.push_back(std::string("\xff\x00\xff\x00", 4));
         stripes.push_back(std::string("\xff\xff\x00\x00", 4));
         stripes.push_back(std::string("\x00\x00\x00\xff", 4));
-    }
-    else if (color_space == "/DeviceRGB")
-    {
+    } else if (color_space == "/DeviceRGB") {
         j_color_space = JCS_RGB;
         stripes.push_back(std::string("\xff\x00\x00", 3));
         stripes.push_back(std::string("\x00\xff\x00", 3));
@@ -71,9 +68,7 @@
         stripes.push_back(std::string("\xff\x00\xff", 3));
         stripes.push_back(std::string("\xff\xff\x00", 3));
         stripes.push_back(std::string("\x00\x00\x00", 3));
-    }
-    else if (color_space == "/DeviceGray")
-    {
+    } else if (color_space == "/DeviceGray") {
         j_color_space = JCS_GRAYSCALE;
         stripes.push_back(std::string("\xee", 1));
         stripes.push_back(std::string("\xcc", 1));
@@ -84,85 +79,87 @@
     }
 }
 
-ImageProvider::~ImageProvider()
-{
-}
-
-int
+size_t
 ImageProvider::getWidth() const
 {
     return width;
 }
 
-int
+size_t
 ImageProvider::getHeight() const
 {
     return stripe_height * n_stripes;
 }
 
 void
-ImageProvider::provideStreamData(int objid, int generation,
-                                 Pipeline* pipeline)
+ImageProvider::provideStreamData(QPDFObjGen const&, Pipeline* pipeline)
 {
-    std::vector<PointerHolder<Pipeline> > to_delete;
+    std::vector<std::shared_ptr<Pipeline>> to_delete;
     Pipeline* p = pipeline;
-
-    if (filter == "/DCTDecode")
-    {
-        p = new Pl_DCT(
-            "image encoder", pipeline,
-            width, getHeight(), stripes0.length(), j_color_space);
-        to_delete.push_back(p);
-    }
-    else if (filter == "/RunLengthDecode")
-    {
-        p = new Pl_RunLength(
+    std::shared_ptr<Pipeline> p_new;
+
+    if (filter == "/DCTDecode") {
+        p_new = std::make_shared<Pl_DCT>(
+            "image encoder",
+            pipeline,
+            QIntC::to_uint(width),
+            QIntC::to_uint(getHeight()),
+            QIntC::to_int(stripes0.length()),
+            j_color_space);
+        to_delete.push_back(p_new);
+        p = p_new.get();
+    } else if (filter == "/RunLengthDecode") {
+        p_new = std::make_shared<Pl_RunLength>(
             "image encoder", pipeline, Pl_RunLength::a_encode);
-        to_delete.push_back(p);
+        to_delete.push_back(p_new);
+        p = p_new.get();
     }
 
-    for (int i = 0; i < n_stripes; ++i)
-    {
-        for (int j = 0; j < width * stripe_height; ++j)
-        {
-            p->write(
-                QUtil::unsigned_char_pointer(stripesi.c_str()),
-                stripesi.length());
+    for (size_t i = 0; i < n_stripes; ++i) {
+        for (size_t j = 0; j < width * stripe_height; ++j) {
+            p->writeString(stripesi);
         }
     }
     p->finish();
 }
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " filename" << std::endl
-	      << "Creates a simple PDF and writes it to filename" << std::endl;
+              << "Creates a simple PDF and writes it to filename" << std::endl;
     exit(2);
 }
 
-static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
+static QPDFObjectHandle
+createPageContents(QPDF& pdf, std::string const& text)
 {
     // Create a stream that displays our image and the given text in
     // our font.
-    std::string contents =
-        "BT /F1 24 Tf 72 320 Td (" + text + ") Tj ET\n"
+    std::string contents = "BT /F1 24 Tf 72 320 Td (" + text +
+        ") Tj ET\n"
         "q 244 0 0 144 184 100 cm /Im1 Do Q\n";
     return QPDFObjectHandle::newStream(&pdf, contents);
 }
 
-QPDFObjectHandle newName(std::string const& name)
+QPDFObjectHandle
+newName(std::string const& name)
 {
     return QPDFObjectHandle::newName(name);
 }
 
-QPDFObjectHandle newInteger(int val)
+QPDFObjectHandle
+newInteger(size_t val)
 {
-    return QPDFObjectHandle::newInteger(val);
+    return QPDFObjectHandle::newInteger(QIntC::to_int(val));
 }
 
-void add_page(QPDFPageDocumentHelper& dh, QPDFObjectHandle font,
-              std::string const& color_space,
-              std::string const& filter)
+void
+add_page(
+    QPDFPageDocumentHelper& dh,
+    QPDFObjectHandle font,
+    std::string const& color_space,
+    std::string const& filter)
 {
     QPDF& pdf(dh.getQPDF());
 
@@ -172,29 +169,28 @@
     // with /FlateDecode if we don't provide any other form of
     // compression.
     ImageProvider* p = new ImageProvider(color_space, filter);
-    PointerHolder<QPDFObjectHandle::StreamDataProvider> provider(p);
-    int width = p->getWidth();
-    int height = p->getHeight();
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> provider(p);
+    size_t width = p->getWidth();
+    size_t height = p->getHeight();
     QPDFObjectHandle image = QPDFObjectHandle::newStream(&pdf);
-    image.replaceDict(QPDFObjectHandle::parse(
-                          "<<"
-                          " /Type /XObject"
-                          " /Subtype /Image"
-                          " /BitsPerComponent 8"
-                          ">>"));
-    QPDFObjectHandle image_dict = image.getDict();
+    auto image_dict =
+        // line-break
+        "<<"
+        " /Type /XObject"
+        " /Subtype /Image"
+        " /BitsPerComponent 8"
+        ">>"_qpdf;
     image_dict.replaceKey("/ColorSpace", newName(color_space));
     image_dict.replaceKey("/Width", newInteger(width));
     image_dict.replaceKey("/Height", newInteger(height));
+    image.replaceDict(image_dict);
 
     // Provide the stream data.
-    image.replaceStreamData(provider,
-                            QPDFObjectHandle::parse(filter),
-                            QPDFObjectHandle::newNull());
+    image.replaceStreamData(
+        provider, QPDFObjectHandle::parse(filter), QPDFObjectHandle::newNull());
 
     // Create direct objects as needed by the page dictionary.
-    QPDFObjectHandle procset = QPDFObjectHandle::parse(
-        "/PDF /Text /ImageC");
+    QPDFObjectHandle procset = "/PDF /Text /ImageC"_qpdf;
 
     QPDFObjectHandle rfont = QPDFObjectHandle::newDictionary();
     rfont.replaceKey("/F1", font);
@@ -207,21 +203,15 @@
     resources.replaceKey("/Font", rfont);
     resources.replaceKey("/XObject", xobject);
 
-    QPDFObjectHandle mediabox = QPDFObjectHandle::newArray();
-    mediabox.appendItem(newInteger(0));
-    mediabox.appendItem(newInteger(0));
-    mediabox.appendItem(newInteger(612));
-    mediabox.appendItem(newInteger(392));
-
     // Create the page content stream
-    QPDFObjectHandle contents = createPageContents(
-        pdf, color_space + " with filter " + filter);
+    QPDFObjectHandle contents =
+        createPageContents(pdf, color_space + " with filter " + filter);
 
     // Create the page dictionary
-    QPDFObjectHandle page = pdf.makeIndirectObject(
-        QPDFObjectHandle::newDictionary());
-    page.replaceKey("/Type", newName("/Page"));
-    page.replaceKey("/MediaBox", mediabox);
+    QPDFObjectHandle page = pdf.makeIndirectObject("<<"
+                                                   " /Type /Page"
+                                                   " /MediaBox 0 0 612 392"
+                                                   ">>"_qpdf);
     page.replaceKey("/Contents", contents);
     page.replaceKey("/Resources", resources);
 
@@ -229,9 +219,11 @@
     dh.addPage(page, false);
 }
 
-static void check(char const* filename,
-                  std::vector<std::string> const& color_spaces,
-                  std::vector<std::string> const& filters)
+static void
+check(
+    char const* filename,
+    std::vector<std::string> const& color_spaces,
+    std::vector<std::string> const& filters)
 {
     // Each stream is compressed the way it is supposed to be. We will
     // add additional tests in qpdf.test to exercise QPDFWriter more
@@ -253,34 +245,25 @@
 
     QPDF pdf;
     pdf.processFile(filename);
-    QPDFPageDocumentHelper dh(pdf);
-    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-    if (n_color_spaces * n_filters != pages.size())
-    {
+    auto pages = QPDFPageDocumentHelper(pdf).getAllPages();
+    if (n_color_spaces * n_filters != pages.size()) {
         throw std::logic_error("incorrect number of pages");
     }
     size_t pageno = 1;
     bool errors = false;
-    for (std::vector<QPDFPageObjectHelper>::iterator page_iter =
-             pages.begin();
-         page_iter != pages.end(); ++page_iter)
-    {
-        QPDFPageObjectHelper& page(*page_iter);
-        std::map<std::string, QPDFObjectHandle> images = page.getPageImages();
-        if (images.size() != 1)
-        {
+    for (auto& page: pages) {
+        auto images = page.getImages();
+        if (images.size() != 1) {
             throw std::logic_error("incorrect number of images on page");
         }
 
         // Check filter and color space.
         std::string desired_color_space =
             color_spaces(pageno - 1) / n_color_spaces;
-        std::string desired_filter =
-            filters(pageno - 1) % n_filters;
+        std::string desired_filter = filters(pageno - 1) % n_filters;
         // In the default mode, QPDFWriter will compress with
         // /FlateDecode if no filters are provided.
-        if (desired_filter == "null")
-        {
+        if (desired_filter == "null") {
             desired_filter = "/FlateDecode";
         }
         QPDFObjectHandle image = images.begin()->second;
@@ -288,41 +271,34 @@
         QPDFObjectHandle color_space = image_dict.getKey("/ColorSpace");
         QPDFObjectHandle filter = image_dict.getKey("/Filter");
         bool this_errors = false;
-        if (! (filter.isName() && (filter.getName() == desired_filter)))
-        {
+        if (!filter.isNameAndEquals(desired_filter)) {
             this_errors = errors = true;
             std::cout << "page " << pageno << ": expected filter "
-                      << desired_filter << "; actual filter = "
-                      << filter.unparse() << std::endl;
+                      << desired_filter
+                      << "; actual filter = " << filter.unparse() << std::endl;
         }
-        if (! (color_space.isName() &&
-               (color_space.getName() == desired_color_space)))
-        {
+        if (!color_space.isNameAndEquals(desired_color_space)) {
             this_errors = errors = true;
             std::cout << "page " << pageno << ": expected color space "
-                      << desired_color_space << "; actual color space = "
-                      << color_space.unparse() << std::endl;
+                      << desired_color_space
+                      << "; actual color space = " << color_space.unparse()
+                      << std::endl;
         }
 
-        if (! this_errors)
-        {
+        if (!this_errors) {
             // Check image data
-            PointerHolder<Buffer> actual_data =
-                image.getStreamData(qpdf_dl_all);
+            auto actual_data = image.getStreamData(qpdf_dl_all);
             ImageProvider* p = new ImageProvider(desired_color_space, "null");
-            PointerHolder<QPDFObjectHandle::StreamDataProvider> provider(p);
+            std::shared_ptr<QPDFObjectHandle::StreamDataProvider> provider(p);
             Pl_Buffer b_p("get image data");
-            provider->provideStreamData(0, 0, &b_p);
-            PointerHolder<Buffer> desired_data(b_p.getBuffer());
+            provider->provideStreamData(QPDFObjGen(), &b_p);
+            std::shared_ptr<Buffer> desired_data(b_p.getBuffer());
 
-            if (desired_data->getSize() != actual_data->getSize())
-            {
-                std::cout << "page " << pageno
-                          << ": image data length mismatch" << std::endl;
+            if (desired_data->getSize() != actual_data->getSize()) {
+                std::cout << "page " << pageno << ": image data length mismatch"
+                          << std::endl;
                 this_errors = errors = true;
-            }
-            else
-            {
+            } else {
                 // Compare bytes. For JPEG, allow a certain number of
                 // the bytes to be off desired by more than a given
                 // tolerance. Any of the samples may be a little off
@@ -333,25 +309,20 @@
                 unsigned char const* desired_bytes = desired_data->getBuffer();
                 size_t len = actual_data->getSize();
                 unsigned int mismatches = 0;
-                int tolerance = (
-                    desired_filter == "/DCTDecode" ? 10 : 0);
-                unsigned int threshold = (
-                    desired_filter == "/DCTDecode" ? len / 40 : 0);
-                for (size_t i = 0; i < len; ++i)
-                {
+                int tolerance = (desired_filter == "/DCTDecode" ? 10 : 0);
+                size_t threshold =
+                    (desired_filter == "/DCTDecode" ? len / 40U : 0);
+                for (size_t i = 0; i < len; ++i) {
                     int delta = actual_bytesi - desired_bytesi;
-                    if ((delta > tolerance) || (delta < -tolerance))
-                    {
+                    if ((delta > tolerance) || (delta < -tolerance)) {
                         ++mismatches;
                     }
                 }
-                if (mismatches > threshold)
-                {
-                    std::cout << "page " << pageno
-                              << ": " << desired_color_space << ", "
-                              << desired_filter
-                              << ": mismatches: " << mismatches
-                              << " of " << len << std::endl;
+                if (mismatches > threshold) {
+                    std::cout << "page " << pageno << ": "
+                              << desired_color_space << ", " << desired_filter
+                              << ": mismatches: " << mismatches << " of " << len
+                              << std::endl;
                     this_errors = errors = true;
                 }
             }
@@ -359,17 +330,15 @@
 
         ++pageno;
     }
-    if (errors)
-    {
+    if (errors) {
         throw std::logic_error("errors found");
-    }
-    else
-    {
+    } else {
         std::cout << "all checks passed" << std::endl;
     }
 }
 
-static void create_pdf(char const* filename)
+static void
+create_pdf(char const* filename)
 {
     QPDF pdf;
 
@@ -379,14 +348,14 @@
     // Add an indirect object to contain a font descriptor for the
     // built-in Helvetica font.
     QPDFObjectHandle font = pdf.makeIndirectObject(
-        QPDFObjectHandle::parse(
-            "<<"
-            " /Type /Font"
-            " /Subtype /Type1"
-            " /Name /F1"
-            " /BaseFont /Helvetica"
-            " /Encoding /WinAnsiEncoding"
-            ">>"));
+        // line-break
+        "<<"
+        " /Type /Font"
+        " /Subtype /Type1"
+        " /Name /F1"
+        " /BaseFont /Helvetica"
+        " /Encoding /WinAnsiEncoding"
+        ">>"_qpdf);
 
     std::vector<std::string> color_spaces;
     color_spaces.push_back("/DeviceCMYK");
@@ -397,13 +366,9 @@
     filters.push_back("/DCTDecode");
     filters.push_back("/RunLengthDecode");
     QPDFPageDocumentHelper dh(pdf);
-    for (std::vector<std::string>::iterator c_iter = color_spaces.begin();
-         c_iter != color_spaces.end(); ++c_iter)
-    {
-        for (std::vector<std::string>::iterator f_iter = filters.begin();
-             f_iter != filters.end(); ++f_iter)
-        {
-            add_page(dh, font, *c_iter, *f_iter);
+    for (auto const& color_space: color_spaces) {
+        for (auto const& filter: filters) {
+            add_page(dh, font, color_space, filter);
         }
     }
 
@@ -415,29 +380,21 @@
     check(filename, color_spaces, filters);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-    if (argc != 2)
-    {
-	usage();
+    if (argc != 2) {
+        usage();
     }
     char const* filename = argv1;
 
-    try
-    {
-	create_pdf(filename);
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    try {
+        create_pdf(filename);
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-custom-filter.cc Added

@@ -0,0 +1,483 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFStreamFilter.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QUtil.hh>
+
+#include <cstring>
+#include <exception>
+#include <iostream>
+#include <memory>
+
+// This example shows you everything you need to know to implement a
+// custom stream filter for encoding and decoding as well as a stream
+// data provider that modifies the stream's dictionary. This example
+// uses the pattern of having the stream data provider class use a
+// second QPDF instance with copies of streams from the original QPDF
+// so that the stream data provider can access the original stream
+// data. This is implemented very efficiently inside the qpdf library as
+// the second QPDF instance knows how to read the stream data from the
+// original input file, so no extra copies of the original stream data
+// are made.
+
+// This example creates an imaginary filter called /XORDecode. There
+// is no such filter in PDF, so the streams created by the example
+// would not be usable by any PDF reader. However, the techniques here
+// would work if you were going to implement support for a filter that
+// qpdf does not support natively. For example, using the techniques
+// shown here, it would be possible to create an application that
+// downsampled or re-encoded images or that re-compressed streams
+// using a more efficient "deflate" implementation than zlib.
+
+// Comments appear throughout the code describing each piece of code
+// and its purpose. You can read the file top to bottom, or you can
+// start with main() and follow the flow.
+
+// Please also see the test suite, qtest/custom-filter.test, which
+// contains additional comments describing how to observe the results
+// of running this example on test files that are specifically crafted
+// for it.
+
+static char const* whoami = nullptr;
+
+class Pl_XOR: public Pipeline
+{
+    // This class implements a Pipeline for the made-up XOR decoder.
+    // It is initialized with a single-byte "key" and just XORs each
+    // byte with that key. This makes it reversible, so there is no
+    // distinction between encoding and decoding.
+
+  public:
+    Pl_XOR(char const* identifier, Pipeline* next, unsigned char key);
+    virtual ~Pl_XOR() = default;
+    virtual void write(unsigned char const* data, size_t len) override;
+    virtual void finish() override;
+
+  private:
+    unsigned char key;
+};
+
+Pl_XOR::Pl_XOR(char const* identifier, Pipeline* next, unsigned char key) :
+    Pipeline(identifier, next),
+    key(key)
+{
+}
+
+void
+Pl_XOR::write(unsigned char const* data, size_t len)
+{
+    for (size_t i = 0; i < len; ++i) {
+        unsigned char p = datai ^ this->key;
+        getNext()->write(&p, 1);
+    }
+}
+
+void
+Pl_XOR::finish()
+{
+    getNext()->finish();
+}
+
+class SF_XORDecode: public QPDFStreamFilter
+{
+    // This class implements a QPDFStreamFilter that knows how to
+    // validate and interpret decode parameters (/DecodeParms) for the
+    // made-up /XORDecode stream filter. Since this is not a real
+    // stream filter, no actual PDF reader would know how to interpret
+    // it. This is just to illustrate how to create a stream filter.
+    // In main(), we call QPDF::registerStreamFilter to tell the
+    // library about the filter. See comments in QPDFStreamFilter.hh
+    // for details on how to implement the methods. For purposes of
+    // example, we are calling this a "specialized" compression
+    // filter, which just means QPDF assumes that it should not
+    // "uncompress" the stream by default.
+  public:
+    virtual ~SF_XORDecode() = default;
+    virtual bool setDecodeParms(QPDFObjectHandle decode_parms) override;
+    virtual Pipeline* getDecodePipeline(Pipeline* next) override;
+    virtual bool isSpecializedCompression() override;
+
+  private:
+    unsigned char key;
+    // It is the responsibility of the QPDFStreamFilter implementation
+    // to ensure that the pipeline returned by getDecodePipeline() is
+    // deleted when the class is deleted. The easiest way to do this
+    // is to stash the pipeline in a std::shared_ptr, which enables us
+    // to use the default destructor implementation.
+    std::shared_ptr<Pl_XOR> pipeline;
+};
+
+bool
+SF_XORDecode::setDecodeParms(QPDFObjectHandle decode_parms)
+{
+    // For purposes of example, we store the key in a separate stream.
+    // We could just as well store the key directly in /DecodeParms,
+    // but this example uses a stream to illustrate how one might do
+    // that. For example, if implementing /JBIG2Decode, one would need
+    // to handle the /JBIG2Globals key, which points to a stream. See
+    // comments in SF_XORDecode::registerStream for additional notes
+    // on this.
+    try {
+        // Expect /DecodeParms to be a dictionary with a /KeyStream
+        // key that points to a one-byte stream whose single byte is
+        // the key. If we are successful at retrieving the key, return
+        // true, indicating that we are able to process with the given
+        // decode parameters. Under any other circumstances, return
+        // false. For other examples of QPDFStreamFilter
+        // implementations, look at the classes whose names start with
+        // SF_ in the qpdf library implementation.
+        auto buf = decode_parms.getKey("/KeyStream").getStreamData();
+        if (buf->getSize() != 1) {
+            return false;
+        }
+        this->key = buf->getBuffer()0;
+        return true;
+    } catch (std::exception& e) {
+        std::cerr << "Error extracting key for /XORDecode: " << e.what()
+                  << std::endl;
+    }
+    return false;
+}
+
+Pipeline*
+SF_XORDecode::getDecodePipeline(Pipeline* next)
+{
+    // Return a pipeline that the qpdf library should pass the stream
+    // data through. The pipeline should receive encoded data and pass
+    // decoded data to "next". getDecodePipeline() can always count on
+    // setDecodeParms() having been called first. The setDecodeParms()
+    // method should store any parameters needed by the pipeline. To
+    // ensure that the pipeline we return disappears when the class
+    // disappears, stash it in a std::shared_ptr<Pl_XOR> and retrieve
+    // the raw pointer from there.
+    this->pipeline = std::make_shared<Pl_XOR>("xor", next, this->key);
+    return this->pipeline.get();
+}
+
+bool
+SF_XORDecode::isSpecializedCompression()
+{
+    // The default implementation of QPDFStreamFilter would return
+    // false, so if you want a specialized or lossy compression
+    // filter, override one of the methods as described in
+    // QPDFStreamFilter.hh.
+    return true;
+}
+
+class StreamReplacer: public QPDFObjectHandle::StreamDataProvider
+{
+    // This class implements a StreamDataProvider that, under specific
+    // conditions, replaces the stream data with data encoded with the
+    // made-up /XORDecode filter.
+
+    // The flow for this class is as follows:
+    //
+    // * The main application iterates through streams that should be
+    //   replaced and calls registerStream. registerStream in turn
+    //   calls maybeReplace passing nullptr to pipeline and the
+    //   address of a valid QPDFObjectHandle to dict_updates. The
+    //   stream passed in for this call is the stream for the original
+    //   QPDF object. It has not yet been altered, so we have access
+    //   to its original dictionary and data. As described in the
+    //   method, the method when called in this way makes a
+    //   determination as to whether the stream should be replaced. If
+    //   so, registerStream makes whatever changes are required. We
+    //   have to do this now because we can't modify the stream during
+    //   the writing process.
+    //
+    // * provideStreamData(), which is called by QPDFWriter during the
+    //   write process, actually writes the modified stream data. It
+    //   calls maybeReplace again, but this time it passes a valid
+    //   pipeline and passes nullptr to dict_updates. In this mode,
+    //   the stream dictionary has already been altered, and the
+    //   original stream data is no longer directly accessible. Trying
+    //   to retrieve the stream data would cause an infinite loop because
+    //   it would just end up calling provideStreamData again. This is
+    //   why maybeReplace uses a stashed copy of the original stream.
+
+    // Additional explanation can be found in the method
+    // implementations.
+
+  public:
+    StreamReplacer(QPDF* pdf);
+    virtual ~StreamReplacer() = default;
+    virtual void
+    provideStreamData(QPDFObjGen const& og, Pipeline* pipeline) override;
+
+    void registerStream(
+        QPDFObjectHandle stream,
+        std::shared_ptr<QPDFObjectHandle::StreamDataProvider> self);
+
+  private:
+    bool maybeReplace(
+        QPDFObjGen const& og,
+        QPDFObjectHandle& stream,
+        Pipeline* pipeline,
+        QPDFObjectHandle* dict_updates);
+
+    // Hang onto a reference to the QPDF object containing the streams
+    // we are replacing. We need this to create a new stream.
+    QPDF* pdf;
+
+    // Map the object/generation in original file to the copied stream
+    // in "other". We use this to retrieve the original data.
+    std::map<QPDFObjGen, QPDFObjectHandle> copied_streams;
+
+    // Each stream gets is own "key" for the XOR filter. We use a
+    // single instance of StreamReplacer for all streams, so stash all
+    // the keys here.
+    std::map<QPDFObjGen, unsigned char> keys;
+};
+
+StreamReplacer::StreamReplacer(QPDF* pdf) :
+    pdf(pdf)
+{
+}
+
+bool
+StreamReplacer::maybeReplace(
+    QPDFObjGen const& og,
+    QPDFObjectHandle& stream,
+    Pipeline* pipeline,
+    QPDFObjectHandle* dict_updates)
+{
+    // As described in the class comments, this method is called
+    // twice. Before writing has started pipeline is nullptr, and
+    // dict_updates is provided. In this mode, we figure out whether
+    // we should replace the stream and, if so, take care of the
+    // necessary setup. When we are actually ready to supply the data,
+    // this method is called again with pipeline populated and
+    // dict_updates as a nullptr. In this mode, we are not allowed to
+    // change anything, since writing is already in progress. We
+    // must simply provide the stream data.
+
+    // The return value indicates whether or not we should replace the
+    // stream. If the first call returns false, there will be no
+    // second call. If the second call returns false, something went
+    // wrong since the method should always make the same decision for
+    // a given stream.
+
+    // For this example, all the determination logic could have
+    // appeared inside the if (dict_updates) block rather than being
+    // duplicated, but in some cases, there may be a reason to
+    // duplicate things. For example, if you wanted to write code that
+    // re-encoded an image if the new encoding was more efficient,
+    // you'd have to actually try it out. Then you would either have
+    // to cache the result somewhere or just repeat the calculations,
+    // depending on space/time constraints, etc.
+
+    // In our contrived example, we are replacing the data for all
+    // streams that have /DoXOR = true in the stream dictionary. If
+    // this were a more realistic application, our criteria would be
+    // more sensible. For example, an image downsampler might choose
+    // to replace a stream that represented an image with a high pixel
+    // density.
+    auto dict = stream.getDict();
+    auto mark = dict.getKey("/DoXOR");
+    if (!(mark.isBool() && mark.getBoolValue())) {
+        return false;
+    }
+
+    // We can't replace the stream data if we can't get the original
+    // stream data for any reason. A more realistic application may
+    // actually look at the data here as well, or it may be able to
+    // make all its decisions from the stream dictionary. However,
+    // it's a good idea to make sure we can retrieve the filtered data
+    // if we are going to need it later.
+    std::shared_ptr<Buffer> out;
+    try {
+        out = stream.getStreamData();
+    } catch (...) {
+        return false;
+    }
+
+    if (dict_updates) {
+        // It's not safe to make any modifications to any objects
+        // during the writing process since the updated objects may
+        // have already been written. In this mode, when dict_updates
+        // is provided, we have not started writing. Store the
+        // modifications we intend to make to the stream dictionary
+        // here. We're just storing /OrigLength for purposes of
+        // example. Again, a realistic application would make other
+        // changes. For example, an image resampler might change the
+        // dimensions or other properties of the image.
+        dict_updates->replaceKey(
+            "/OrigLength",
+            QPDFObjectHandle::newInteger(QIntC::to_longlong(out->getSize())));
+        // We are also storing the "key" that we will access when
+        // writing the data.
+        this->keysog = QIntC::to_uchar(
+            (og.getObj() * QIntC::to_int(out->getSize())) & 0xff);
+    }
+
+    if (pipeline) {
+        unsigned char key = this->keysog;
+        Pl_XOR p("xor", pipeline, key);
+        p.write(out->getBuffer(), out->getSize());
+        p.finish();
+    }
+    return true;
+}
+
+void
+StreamReplacer::registerStream(
+    QPDFObjectHandle stream,
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> self)
+{
+    QPDFObjGen og(stream.getObjGen());
+
+    // We don't need to process a stream more than once. In this
+    // example, we are just iterating through objects, but if we were
+    // doing something like iterating through images on pages, we
+    // might realistically encounter the same stream more than once.
+    if (this->copied_streams.count(og) > 0) {
+        return;
+    }
+    // Store something in copied_streams so that we don't
+    // double-process even in the negative case. This gets replaced
+    // later if needed.
+    this->copied_streamsog = QPDFObjectHandle::newNull();
+
+    // Call maybeReplace with dict_updates. In this mode, it
+    // determines whether we should replace the stream data and, if
+    // so, supplies dictionary updates we should make.
+    bool should_replace = false;
+    QPDFObjectHandle dict_updates = QPDFObjectHandle::newDictionary();
+    try {
+        should_replace = maybeReplace(og, stream, nullptr, &dict_updates);
+    } catch (std::exception& e) {
+        stream.warnIfPossible(
+            std::string("exception while attempting to replace: ") + e.what());
+    }
+
+    if (should_replace) {
+        // Copy the stream so we can get to the original data from the
+        // stream data provider. This doesn't actually copy any data,
+        // but the copy retains the original stream data after the
+        // original one is modified.
+        this->copied_streamsog = stream.copyStream();
+        // Update the stream dictionary with any changes.
+        auto dict = stream.getDict();
+        for (auto const& k: dict_updates.getKeys()) {
+            dict.replaceKey(k, dict_updates.getKey(k));
+        }
+        // Create the key stream that will be referenced from
+        // /DecodeParms. We have to do this now since you can't modify
+        // or create objects during write.
+        char p1 = {static_cast<char>(this->keysog)};
+        std::string p_str(p, 1);
+        QPDFObjectHandle dp_stream =
+            QPDFObjectHandle::newStream(this->pdf, p_str);
+        // Create /DecodeParms as expected by our fictitious
+        // /XORDecode filter.
+        QPDFObjectHandle decode_parms =
+            QPDFObjectHandle::newDictionary({{"/KeyStream", dp_stream}});
+        stream.replaceStreamData(
+            self, QPDFObjectHandle::newName("/XORDecode"), decode_parms);
+        // Further, if /ProtectXOR = true, we disable filtering on write
+        // so that QPDFWriter will not decode the stream even though we
+        // have registered a stream filter for /XORDecode.
+        auto protect = dict.getKey("/ProtectXOR");
+        if (protect.isBool() && protect.getBoolValue()) {
+            stream.setFilterOnWrite(false);
+        }
+    }
+}
+
+void
+StreamReplacer::provideStreamData(QPDFObjGen const& og, Pipeline* pipeline)
+{
+    QPDFObjectHandle orig = this->copied_streamsog;
+    // call maybeReplace again, this time with the pipeline and no
+    // dict_updates. In this mode, maybeReplace doesn't make any
+    // changes. We have to hand it the original stream data, which we
+    // get from copied_streams.
+    if (!maybeReplace(og, orig, pipeline, nullptr)) {
+        // Since this only gets called for streams we already
+        // determined we are replacing, a false return would indicate
+        // a logic error.
+        throw std::logic_error(
+            "should_replace return false in provideStreamData");
+    }
+}
+
+static void
+process(
+    char const* infilename, char const* outfilename, bool decode_specialized)
+{
+    QPDF qpdf;
+    qpdf.processFile(infilename);
+
+    // Create a single StreamReplacer instance. The interface requires
+    // a std::shared_ptr in various places, so allocate a StreamReplacer
+    // and stash it in a std::shared_ptr.
+    StreamReplacer* replacer = new StreamReplacer(&qpdf);
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> p(replacer);
+
+    for (auto& o: qpdf.getAllObjects()) {
+        if (o.isStream()) {
+            // Call registerStream for every stream. Only ones that
+            // registerStream decides to replace will actually be
+            // replaced.
+            replacer->registerStream(o, p);
+        }
+    }
+
+    QPDFWriter w(qpdf, outfilename);
+    if (decode_specialized) {
+        w.setDecodeLevel(qpdf_dl_specialized);
+    }
+    // For the test suite, use static IDs.
+    w.setStaticID(true); // for testing only
+    w.write();
+    std::cout << whoami << ": new file written to " << outfilename << std::endl;
+}
+
+static void
+usage()
+{
+    std::cerr << "\n"
+              << "Usage: " << whoami
+              << " --decode-specialized infile outfile\n"
+              << std::endl;
+    exit(2);
+}
+
+int
+main(int argc, char* argv)
+{
+    whoami = QUtil::getWhoami(argv0);
+
+    char const* infilename = nullptr;
+    char const* outfilename = nullptr;
+    bool decode_specialized = false;
+    for (int i = 1; i < argc; ++i) {
+        if (strcmp(argvi, "--decode-specialized") == 0) {
+            decode_specialized = true;
+        } else if (!infilename) {
+            infilename = argvi;
+        } else if (!outfilename) {
+            outfilename = argvi;
+        } else {
+            usage();
+        }
+    }
+    if (!(infilename && outfilename)) {
+        usage();
+    }
+
+    try {
+        // Register our fictitious filter. This enables QPDFWriter to
+        // decode our streams. This is not a real filter, so no real
+        // PDF reading application would be able to interpret it. This
+        // is just for illustrative purposes.
+        QPDF::registerStreamFilter(
+            "/XORDecode",  { return std::make_shared<SF_XORDecode>(); });
+        // Do the actual processing.
+        process(infilename, outfilename, decode_specialized);
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": exception: " << e.what() << std::endl;
+        exit(2);
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-double-page-size.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-double-page-size.cc Changed

@@ -1,70 +1,65 @@
-#include <iostream>
-#include <string.h>
-#include <stdlib.h>
+#include <qpdf/Buffer.hh>
 #include <qpdf/QPDF.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
-#include <qpdf/QUtil.hh>
-#include <qpdf/Buffer.hh>
 #include <qpdf/QPDFWriter.hh>
+#include <qpdf/QUtil.hh>
+#include <iostream>
+#include <stdlib.h>
+#include <string.h>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " infile.pdf outfile.pdf in-password"
-	      << std::endl
-	      << "Double size of all pages in infile.pdf;"
-	      << " write output to outfile.pdf" << std::endl;
+              << std::endl
+              << "Double size of all pages in infile.pdf;"
+              << " write output to outfile.pdf" << std::endl;
     exit(2);
 }
 
-static void doubleBoxSize(QPDFObjectHandle& page, char const* box_name)
+// If there is a box of name box_name, replace it with a new box whose
+// elements are double the values of the original box.
+static void
+doubleBoxSize(QPDFPageObjectHelper& page, char const* box_name)
 {
-    // If there is a box of this name, replace it with a new box whose
-    // elements are double the values of the original box.
-    QPDFObjectHandle box = page.getKey(box_name);
-    if (box.isNull())
-    {
-	return;
+    // We need to use getAttribute rather than getKey as some boxes could
+    // be inherited.
+    auto box = page.getAttribute(box_name, true);
+    if (box.isNull()) {
+        return;
     }
-    if (! (box.isArray() && (box.getArrayNItems() == 4)))
-    {
-	throw std::runtime_error(std::string("box ") + box_name +
-				 " is not an array of four elements");
+    if (!box.isRectangle()) {
+        throw std::runtime_error(
+            std::string("box ") + box_name +
+            " is not an array of four elements");
     }
     std::vector<QPDFObjectHandle> doubled;
-    for (unsigned int i = 0; i < 4; ++i)
-    {
-	doubled.push_back(
-	    QPDFObjectHandle::newReal(
-                box.getArrayItem(i).getNumericValue() * 2.0, 2));
+    for (auto& item: box.aitems()) {
+        doubled.push_back(
+            QPDFObjectHandle::newReal(item.getNumericValue() * 2.0, 2));
     }
-    page.replaceKey(box_name, QPDFObjectHandle::newArray(doubled));
+    page.getObjectHandle().replaceKey(
+        box_name, QPDFObjectHandle::newArray(doubled));
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
     // For test suite
     bool static_id = false;
-    if ((argc > 1) && (strcmp(argv1, " --static-id") == 0))
-    {
+    if ((argc > 1) && (strcmp(argv1, " --static-id") == 0)) {
         static_id = true;
         --argc;
         ++argv;
     }
 
-    if (! ((argc == 3) || (argc == 4)))
-    {
-	usage();
+    if (!((argc == 3) || (argc == 4))) {
+        usage();
     }
 
     char const* infilename = argv1;
@@ -74,50 +69,37 @@
     // Text to prepend to each page's contents
     std::string content = "2 0 0 2 0 0 cm\n";
 
-    try
-    {
-	QPDF qpdf;
-	qpdf.processFile(infilename, password);
-
-	std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(qpdf).getAllPages();
-	for (std::vector<QPDFPageObjectHelper>::iterator iter =
-                 pages.begin();
-	     iter != pages.end(); ++iter)
-	{
-            QPDFPageObjectHelper& ph(*iter);
-	    QPDFObjectHandle page = ph.getObjectHandle();
+    try {
+        QPDF qpdf;
+        qpdf.processFile(infilename, password);
 
-	    // Prepend the buffer to the page's contents
-	    ph.addPageContents(
+        for (auto& page: QPDFPageDocumentHelper(qpdf).getAllPages()) {
+            // Prepend the buffer to the page's contents
+            page.addPageContents(
                 QPDFObjectHandle::newStream(&qpdf, content), true);
 
-	    // Double the size of each of the content boxes
-	    doubleBoxSize(page, "/MediaBox");
-	    doubleBoxSize(page, "/CropBox");
-	    doubleBoxSize(page, "/BleedBox");
-	    doubleBoxSize(page, "/TrimBox");
-	    doubleBoxSize(page, "/ArtBox");
-	}
+            // Double the size of each of the content boxes
+            doubleBoxSize(page, "/MediaBox");
+            doubleBoxSize(page, "/CropBox");
+            doubleBoxSize(page, "/BleedBox");
+            doubleBoxSize(page, "/TrimBox");
+            doubleBoxSize(page, "/ArtBox");
+        }
 
-	// Write out a new file
-	QPDFWriter w(qpdf, outfilename);
-	if (static_id)
-	{
-	    // For the test suite, uncompress streams and use static
-	    // IDs.
-	    w.setStaticID(true); // for testing only
-	    w.setStreamDataMode(qpdf_s_uncompress);
-	}
-	w.write();
-	std::cout << whoami << ": new file written to " << outfilename
-		  << std::endl;
-    }
-    catch (std::exception &e)
-    {
-	std::cerr << whoami << " processing file " << infilename << ": "
-		  << e.what() << std::endl;
-	exit(2);
+        // Write out a new file
+        QPDFWriter w(qpdf, outfilename);
+        if (static_id) {
+            // For the test suite, uncompress streams and use static IDs.
+            w.setStaticID(true); // for testing only
+            w.setStreamDataMode(qpdf_s_uncompress);
+        }
+        w.write();
+        std::cout << whoami << ": new file written to " << outfilename
+                  << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << whoami << " processing file " << infilename << ": "
+                  << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-filter-tokens.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-filter-tokens.cc Changed

@@ -2,28 +2,29 @@
 // This example illustrates the use of QPDFObjectHandle::TokenFilter
 // with addContentTokenFilter. Please see comments inline for details.
 // See also pdf-count-strings.cc for a use of
-// QPDFObjectHandle::TokenFilter with filterPageContents.
+// QPDFObjectHandle::TokenFilter with filterContents.
 //
 
-#include <iostream>
-#include <string.h>
-#include <stdlib.h>
 #include <algorithm>
 #include <deque>
+#include <iostream>
+#include <stdlib.h>
+#include <string.h>
 
 #include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
-#include <qpdf/QUtil.hh>
 #include <qpdf/QPDFWriter.hh>
-#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QUtil.hh>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " infile outfile" << std::endl
-	      << "Applies token filters to infile and writes outfile"
+              << "Applies token filters to infile and writes outfile"
               << std::endl;
     exit(2);
 }
@@ -34,9 +35,7 @@
 class StringReverser: public QPDFObjectHandle::TokenFilter
 {
   public:
-    virtual ~StringReverser()
-    {
-    }
+    virtual ~StringReverser() = default;
     virtual void handleToken(QPDFTokenizer::Token const&);
 };
 
@@ -52,14 +51,11 @@
     // strings. It's just intended to give a simple example of a
     // pretty minimal filter and to show an example of writing a
     // constructed token.
-    if (token.getType() == QPDFTokenizer::tt_string)
-    {
+    if (token.getType() == QPDFTokenizer::tt_string) {
         std::string value = token.getValue();
         std::reverse(value.begin(), value.end());
         writeToken(QPDFTokenizer::Token(QPDFTokenizer::tt_string, value));
-    }
-    else
-    {
+    } else {
         writeToken(token);
     }
 }
@@ -72,9 +68,7 @@
 class ColorToGray: public QPDFObjectHandle::TokenFilter
 {
   public:
-    virtual ~ColorToGray()
-    {
-    }
+    virtual ~ColorToGray() = default;
     virtual void handleToken(QPDFTokenizer::Token const&);
     virtual void handleEOF();
 
@@ -90,15 +84,17 @@
 bool
 ColorToGray::isNumeric(QPDFTokenizer::token_type_e token_type)
 {
-    return ((token_type == QPDFTokenizer::tt_integer) ||
-            (token_type == QPDFTokenizer::tt_real));
+    return (
+        (token_type == QPDFTokenizer::tt_integer) ||
+        (token_type == QPDFTokenizer::tt_real));
 }
 
 bool
 ColorToGray::isIgnorable(QPDFTokenizer::token_type_e token_type)
 {
-    return ((token_type == QPDFTokenizer::tt_space) ||
-            (token_type == QPDFTokenizer::tt_comment));
+    return (
+        (token_type == QPDFTokenizer::tt_space) ||
+        (token_type == QPDFTokenizer::tt_comment));
 }
 
 double
@@ -134,33 +130,28 @@
     // kinds of operands, replace the command. Flush any additional
     // accumulated tokens to keep the stack only four tokens deep.
 
-    while ((! this->all_stack.empty()) &&
-           isIgnorable(this->all_stack.at(0).getType()))
-    {
+    while ((!this->all_stack.empty()) &&
+           isIgnorable(this->all_stack.at(0).getType())) {
         writeToken(this->all_stack.at(0));
         this->all_stack.pop_front();
     }
     this->all_stack.push_back(token);
     QPDFTokenizer::token_type_e token_type = token.getType();
-    if (! isIgnorable(token_type))
-    {
+    if (!isIgnorable(token_type)) {
         this->stack.push_back(token);
         if ((this->stack.size() == 4) &&
             (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "rg")) &&
             (isNumeric(this->stack.at(0).getType())) &&
             (isNumeric(this->stack.at(1).getType())) &&
-            (isNumeric(this->stack.at(2).getType())))
-        {
+            (isNumeric(this->stack.at(2).getType()))) {
             double r = numericValue(this->stack.at(0));
             double g = numericValue(this->stack.at(1));
             double b = numericValue(this->stack.at(2));
             double gray = ((0.3 * r) + (0.59 * b) + (0.11 * g));
-            if (gray > 1.0)
-            {
+            if (gray > 1.0) {
                 gray = 1.0;
             }
-            if (gray < 0.0)
-            {
+            if (gray < 0.0) {
                 gray = 0.0;
             }
             write(QUtil::double_to_string(gray, 3));
@@ -169,8 +160,7 @@
             this->all_stack.clear();
         }
     }
-    if (this->stack.size() == 4)
-    {
+    if (this->stack.size() == 4) {
         writeToken(this->all_stack.at(0));
         this->all_stack.pop_front();
         this->stack.pop_front();
@@ -181,57 +171,46 @@
 ColorToGray::handleEOF()
 {
     // Flush out any remaining accumulated tokens.
-    while (! this->all_stack.empty())
-    {
+    while (!this->all_stack.empty()) {
         writeToken(this->all_stack.at(0));
         this->all_stack.pop_front();
     }
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
-    if (argc != 3)
-    {
-	usage();
+    if (argc != 3) {
+        usage();
     }
     char const* infilename = argv1;
     char const* outfilename = argv2;
 
-    try
-    {
-	QPDF pdf;
-	pdf.processFile(infilename);
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
+    try {
+        QPDF pdf;
+        pdf.processFile(infilename);
+        for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
             // Attach two token filters to each page of this file.
             // When the file is written, or when the pages' contents
             // are retrieved in any other way, the filters will be
             // applied. See comments on the filters for additional
             // details.
-            QPDFPageObjectHelper& page(*iter);
-            page.addContentTokenFilter(new StringReverser);
-            page.addContentTokenFilter(new ColorToGray);
+            page.addContentTokenFilter(
+                std::shared_ptr<QPDFObjectHandle::TokenFilter>(
+                    new StringReverser));
+            page.addContentTokenFilter(
+                std::shared_ptr<QPDFObjectHandle::TokenFilter>(
+                    new ColorToGray));
         }
 
         QPDFWriter w(pdf, outfilename);
-        w.setStaticID(true);    // for testing only
+        w.setStaticID(true); // for testing only
         w.write();
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << whoami << ": " << e.what() << std::endl;
-	exit(2);
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-invert-images.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-invert-images.cc Changed

@@ -1,182 +1,171 @@
-#include <iostream>
-#include <string.h>
-#include <stdlib.h>
+#include <qpdf/Buffer.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
-#include <qpdf/QUtil.hh>
-#include <qpdf/Buffer.hh>
 #include <qpdf/QPDFWriter.hh>
+#include <qpdf/QUtil.hh>
+#include <iostream>
+#include <stdlib.h>
+#include <string.h>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " infile.pdf outfile.pdf in-password"
-	      << std::endl
-	      << "Invert some images in infile.pdf;"
-	      << " write output to outfile.pdf" << std::endl;
+              << std::endl
+              << "Invert some images in infile.pdf;"
+              << " write output to outfile.pdf" << std::endl;
     exit(2);
 }
 
 // Derive a class from StreamDataProvider to provide updated stream
-// data.  The main purpose of using this object is to avoid having to
-// allocate memory up front for the objects.  A real application might
-// use temporary files in order to avoid having to allocate all the
-// memory.  Here, we're not going to worry about that since the goal
-// is really to show how to use this facility rather than to show the
-// best possible way to write an image inverter.  This class still
-// illustrates dynamic creation of the new stream data.
+// data. The main purpose of using this object is to avoid having to
+// allocate memory up front for the objects. We want to replace the
+// stream data with a function of the original stream data. In order
+// to do this without actually holding all the images in memory, we
+// create copies of the streams. Copying the streams doesn't actually
+// copy the data. Internally, the qpdf library is holding onto the
+// location of the original stream data, which makes it possible for
+// the StreamDataProvider to access it when it needs it.
 class ImageInverter: public QPDFObjectHandle::StreamDataProvider
 {
   public:
-    virtual ~ImageInverter()
-    {
-    }
-    virtual void provideStreamData(int objid, int generation,
-				   Pipeline* pipeline);
+    virtual ~ImageInverter() = default;
+    virtual void
+    provideStreamData(QPDFObjGen const& og, Pipeline* pipeline) override;
+
+    void registerImage(
+        QPDFObjectHandle image,
+        std::shared_ptr<QPDFObjectHandle::StreamDataProvider> self);
 
-    // Map og = image object
-    std::map<QPDFObjGen, QPDFObjectHandle> image_objects;
-    // Map og = image data
-    std::map<QPDFObjGen, PointerHolder<Buffer> > image_data;
+  private:
+    std::map<QPDFObjGen, QPDFObjectHandle> copied_images;
 };
 
 void
-ImageInverter::provideStreamData(int objid, int generation,
-				 Pipeline* pipeline)
+ImageInverter::registerImage(
+    QPDFObjectHandle image,
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> self)
+{
+    // replaceStreamData requires a pointer holder to the stream data
+    // provider, but there's no way for us to generate one ourselves,
+    // so we have to have it handed to us. Don't be tempted to have
+    // the class contain a std::shared_ptr to itself as a member. Doing
+    // this will prevent the class from ever being deleted since the
+    // reference count will never drop to zero (and std::shared_ptr
+    // doesn't have weak references).
+
+    QPDFObjGen og(image.getObjGen());
+    // Store information about the images based on the object and
+    // generation number. Recall that a single image object may be
+    // used more than once, so no need to update the same stream
+    // multiple times.
+    if (this->copied_images.count(og) > 0) {
+        return;
+    }
+    this->copied_imagesog = image.copyStream();
+
+    // Register our stream data provider for this stream. Future calls
+    // to getStreamData or pipeStreamData will use the new
+    // information. Provide null for both filter and decode
+    // parameters. Note that this does not mean the image data will be
+    // uncompressed when we write the file. By default, QPDFWriter
+    // will use /FlateDecode for anything that is uncompressed or
+    // filterable in the input QPDF object, so we don't have to deal
+    // with it explicitly here. We could explicitly use /DCTDecode and
+    // write through a DCT filter if we wanted.
+    image.replaceStreamData(
+        self, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
+}
+
+void
+ImageInverter::provideStreamData(QPDFObjGen const& og, Pipeline* pipeline)
 {
     // Use the object and generation number supplied to look up the
     // image data.  Then invert the image data and write the inverted
     // data to the pipeline.
-    PointerHolder<Buffer> data =
-        this->image_dataQPDFObjGen(objid, generation);
+    std::shared_ptr<Buffer> data =
+        this->copied_imagesog.getStreamData(qpdf_dl_all);
     size_t size = data->getSize();
     unsigned char* buf = data->getBuffer();
     unsigned char ch;
-    for (size_t i = 0; i < size; ++i)
-    {
-	ch = static_cast<unsigned char>(0xff) - bufi;
-	pipeline->write(&ch, 1);
+    for (size_t i = 0; i < size; ++i) {
+        ch = QIntC::to_uchar(0xff - bufi);
+        pipeline->write(&ch, 1);
     }
     pipeline->finish();
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
     // For test suite
     bool static_id = false;
-    if ((argc > 1) && (strcmp(argv1, " --static-id") == 0))
-    {
+    if ((argc > 1) && (strcmp(argv1, " --static-id") == 0)) {
         static_id = true;
         --argc;
         ++argv;
     }
 
-    if (! ((argc == 3) || (argc == 4)))
-    {
-	usage();
+    if (!((argc == 3) || (argc == 4))) {
+        usage();
     }
 
     char const* infilename = argv1;
     char const* outfilename = argv2;
     char const* password = (argc == 4) ? argv3 : "";
 
-    try
-    {
-	QPDF qpdf;
-	qpdf.processFile(infilename, password);
-
-	ImageInverter* inv = new ImageInverter;
-	PointerHolder<QPDFObjectHandle::StreamDataProvider> p = inv;
-
-	// For each page...
-	std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(qpdf).getAllPages();
-	for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-	     iter != pages.end(); ++iter)
-	{
-	    QPDFPageObjectHelper& page(*iter);
-	    // Get all images on the page.
-	    std::map<std::string, QPDFObjectHandle> images =
-		page.getPageImages();
-	    for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-		     images.begin();
-		 iter != images.end(); ++iter)
-	    {
-		QPDFObjectHandle& image = (*iter).second;
-		QPDFObjectHandle image_dict = image.getDict();
-		QPDFObjectHandle color_space =
-		    image_dict.getKey("/ColorSpace");
-		QPDFObjectHandle bits_per_component =
-		    image_dict.getKey("/BitsPerComponent");
-
-		// For our example, we can only work with images 8-bit
-		// grayscale images that we can fully decode.  Use
-		// pipeStreamData with a null pipeline to determine
-		// whether the image is filterable.  Directly inspect
-		// keys to determine the image type.
-		if (image.pipeStreamData(0, qpdf_ef_compress,
-                                         qpdf_dl_generalized) &&
-		    color_space.isName() &&
-		    bits_per_component.isInteger() &&
-		    (color_space.getName() == "/DeviceGray") &&
-		    (bits_per_component.getIntValue() == 8))
-		{
-		    // Store information about the images based on the
-		    // object and generation number.  Recall that a single
-		    // image object may be used more than once.
-		    QPDFObjGen og = image.getObjGen();
-		    if (inv->image_objects.count(og) == 0)
-		    {
-			inv->image_objectsog = image;
-			inv->image_dataog = image.getStreamData();
-
-			// Register our stream data provider for this
-			// stream.  Future calls to getStreamData or
-			// pipeStreamData will use the new
-			// information.  Provide null for both filter
-			// and decode parameters.  Note that this does
-			// not mean the image data will be
-			// uncompressed when we write the file.  By
-			// default, QPDFWriter will use /FlateDecode
-			// for anything that is uncompressed or
-			// filterable in the input QPDF object, so we
-			// don't have to deal with it explicitly here.
-			image.replaceStreamData(
-			    p,
-			    QPDFObjectHandle::newNull(),
-			    QPDFObjectHandle::newNull());
-		    }
-		}
-	    }
-	}
-
-	// Write out a new file
-	QPDFWriter w(qpdf, outfilename);
-	if (static_id)
-	{
-	    // For the test suite, uncompress streams and use static
-	    // IDs.
-	    w.setStaticID(true); // for testing only
-	}
-	w.write();
-	std::cout << whoami << ": new file written to " << outfilename
-		  << std::endl;
-    }
-    catch (std::exception &e)
-    {
-	std::cerr << whoami << " processing file " << infilename << ": "
-		  << e.what() << std::endl;
-	exit(2);
+    try {
+        QPDF qpdf;
+        qpdf.processFile(infilename, password);
+
+        ImageInverter* inv = new ImageInverter;
+        auto p = std::shared_ptr<QPDFObjectHandle::StreamDataProvider>(inv);
+
+        // For each page...
+        for (auto& page: QPDFPageDocumentHelper(qpdf).getAllPages()) {
+            // Get all images on the page.
+            for (auto& iter: page.getImages()) {
+                QPDFObjectHandle& image = iter.second;
+                QPDFObjectHandle image_dict = image.getDict();
+                QPDFObjectHandle color_space = image_dict.getKey("/ColorSpace");
+                QPDFObjectHandle bits_per_component =
+                    image_dict.getKey("/BitsPerComponent");
+
+                // For our example, we can only work with images 8-bit
+                // grayscale images that we can fully decode.  Use
+                // pipeStreamData with a null pipeline to determine
+                // whether the image is filterable.  Directly inspect
+                // keys to determine the image type.
+                if (image.pipeStreamData(
+                        nullptr, qpdf_ef_compress, qpdf_dl_all) &&
+                    color_space.isNameAndEquals("/DeviceGray") &&
+                    bits_per_component.isInteger() &&
+                    (bits_per_component.getIntValue() == 8)) {
+                    inv->registerImage(image, p);
+                }
+            }
+        }
+
+        // Write out a new file
+        QPDFWriter w(qpdf, outfilename);
+        if (static_id) {
+            // For the test suite, uncompress streams and use static
+            // IDs.
+            w.setStaticID(true); // for testing only
+        }
+        w.write();
+        std::cout << whoami << ": new file written to " << outfilename
+                  << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << whoami << " processing file " << infilename << ": "
+                  << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-linearize.c -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-linearize.c Changed

@@ -9,13 +9,21 @@
 
 static char const* whoami = 0;
 
-static void usage()
+static void
+usage()
 {
     fprintf(stderr, "Usage: %s infile infile-password outfile\n", whoami);
     exit(2);
 }
 
-int main(int argc, char* argv)
+static void
+write_progress(int percent, void* data)
+{
+    printf("%s progress: %d%%\n", (char const*)(data), percent);
+}
+
+int
+main(int argc, char* argv)
 {
     char* infile = NULL;
     char* password = NULL;
@@ -25,22 +33,16 @@
     int errors = 0;
     char* p = 0;
 
-    if ((p = strrchr(argv0, '/')) != NULL)
-    {
-	whoami = p + 1;
-    }
-    else if ((p = strrchr(argv0, '\\')) != NULL)
-    {
-	whoami = p + 1;
-    }
-    else
-    {
-	whoami = argv0;
+    if ((p = strrchr(argv0, '/')) != NULL) {
+        whoami = p + 1;
+    } else if ((p = strrchr(argv0, '\\')) != NULL) {
+        whoami = p + 1;
+    } else {
+        whoami = argv0;
     }
 
-    if (argc != 4)
-    {
-	usage();
+    if (argc != 4) {
+        usage();
     }
 
     infile = argv1;
@@ -48,35 +50,32 @@
     outfile = argv3;
 
     if (((qpdf_read(qpdf, infile, password) & QPDF_ERRORS) == 0) &&
-	((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0))
-    {
+        ((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0)) {
         /* Use static ID for testing only. For production, a
          * non-static ID is used. See also
          * qpdf_set_deterministic_ID. */
-	qpdf_set_static_ID(qpdf, QPDF_TRUE); /* for testing only */
-	qpdf_set_linearization(qpdf, QPDF_TRUE);
-	qpdf_write(qpdf);
+        qpdf_set_static_ID(qpdf, QPDF_TRUE); /* for testing only */
+        qpdf_set_linearization(qpdf, QPDF_TRUE);
+        qpdf_register_progress_reporter(qpdf, write_progress, infile);
+        qpdf_write(qpdf);
     }
-    while (qpdf_more_warnings(qpdf))
-    {
-	warnings = 1;
-	printf("warning: %s\n",
-	       qpdf_get_error_full_text(qpdf, qpdf_next_warning(qpdf)));
+    while (qpdf_more_warnings(qpdf)) {
+        warnings = 1;
+        printf(
+            "warning: %s\n",
+            qpdf_get_error_full_text(qpdf, qpdf_next_warning(qpdf)));
     }
-    if (qpdf_has_error(qpdf))
-    {
-	errors = 1;
-	printf("error: %s\n",
-	       qpdf_get_error_full_text(qpdf, qpdf_get_error(qpdf)));
+    if (qpdf_has_error(qpdf)) {
+        errors = 1;
+        printf(
+            "error: %s\n",
+            qpdf_get_error_full_text(qpdf, qpdf_get_error(qpdf)));
     }
     qpdf_cleanup(&qpdf);
-    if (errors)
-    {
-	return 2;
-    }
-    else if (warnings)
-    {
-	return 3;
+    if (errors) {
+        return 2;
+    } else if (warnings) {
+        return 3;
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-mod-info.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-mod-info.cc Changed

@@ -1,233 +1,174 @@
 // Author: Vitaliy Pavlyuk
 
 #include <qpdf/QPDF.hh>
-#include <qpdf/QPDFWriter.hh>
 #include <qpdf/QPDFObjectHandle.hh>
-#include <qpdf/QUtil.hh>
+#include <qpdf/QPDFWriter.hh>
 #include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 #include <iostream>
-#include <string.h>
-#include <stdlib.h>
 #include <stdio.h>
-#ifdef _WIN32
-#include <windows.h>
-#include <direct.h>
-#include <io.h>
-#else
-#include <unistd.h>
-#endif
+#include <stdlib.h>
+#include <string.h>
 
 static char const* version = "1.1";
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
-    std::cerr
-	<< "Usage: " << whoami
-	<< " -in in_file -out out_file -key key -val val?+\n"
-	<< "Modifies/Adds/Removes PDF /Info entries in the in_file\n"
-	<< "and stores the result in out_file\n"
-	<< "Special mode: " << whoami << " --dump file\n"
-	<< "dumps all /Info entries to stdout\n";
+    std::cerr << "Usage: " << whoami
+              << " --in in_file --out out_file --key key --val val?+\n"
+              << "Modifies/Adds/Removes PDF /Info entries in the in_file\n"
+              << "and stores the result in out_file\n"
+              << "Special mode: " << whoami << " --dump file\n"
+              << "dumps all /Info entries to stdout\n";
     exit(2);
 }
 
-void dumpInfoDict(QPDF& pdf,
-		  std::ostream& os = std::cout,
-		  std::string const& sep = ":\t")
+void
+dumpInfoDict(
+    QPDF& pdf, std::ostream& os = std::cout, std::string const& sep = ":\t")
 {
     QPDFObjectHandle trailer = pdf.getTrailer();
-    if (trailer.hasKey("/Info"))
-    {
-	QPDFObjectHandle info = trailer.getKey("/Info");
-	std::set<std::string> keys = info.getKeys();
-	for (std::set<std::string>::const_iterator it = keys.begin();
-	     keys.end() != it; ++it)
-	{
-	    QPDFObjectHandle elt = info.getKey(*it);
-	    std::string val;
-	    if (false) {}
-	    else if (elt.isString())
-	    {
-		val = elt.getStringValue();
-	    }
-	    else if (elt.isName())
-	    {
-		val = elt.getName();
-	    }
-	    else // according to PDF Spec 1.5, shouldn't happen
-	    {
-		val = elt.unparseResolved();
-	    }
-	    os << it->substr(1) << sep << val << std::endl; // skip '/'
-	}
+    if (trailer.hasKey("/Info")) {
+        for (auto& it: trailer.getKey("/Info").ditems()) {
+            std::string val;
+            if (it.second.isString()) {
+                val = it.second.getStringValue();
+            } else if (it.second.isName()) {
+                val = it.second.getName();
+            } else // according to PDF Spec 1.5, shouldn't happen
+            {
+                val = it.second.unparseResolved();
+            }
+            os << it.first.substr(1) << sep << val << std::endl; // skip '/'
+        }
     }
 }
 
-void pdfDumpInfoDict(char const* fname)
+void
+pdfDumpInfoDict(char const* fname)
 {
-    try
-    {
-	QPDF pdf;
-	pdf.processFile(fname);
-	dumpInfoDict(pdf);
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    try {
+        QPDF pdf;
+        pdf.processFile(fname);
+        dumpInfoDict(pdf);
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-
     bool static_id = false;
     std::map<std::string, std::string> Keys;
 
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((argc == 2) && (!strcmp(argv1, "--version"))) {
+        std::cout << whoami << " version " << version << std::endl;
+        exit(0);
     }
-
-    if ((argc == 2) && (! strcmp(argv1, "--version")) )
-    {
-	std::cout << whoami << " version " << version << std::endl;
-	exit(0);
-    }
-    if ((argc == 4) && (! strcmp(argv1, "--dump")) &&
-	(strcmp(argv2, "-in") == 0) )
-    {
-	QTC::TC("examples", "pdf-mod-info --dump");
-	pdfDumpInfoDict(argv3);
-	exit(0);
+    if ((argc == 3) && (!strcmp(argv1, "--dump"))) {
+        QTC::TC("examples", "pdf-mod-info --dump");
+        pdfDumpInfoDict(argv2);
+        exit(0);
     }
 
-    char* fl_in = 0;
-    char* fl_out = 0;
+    char* fl_in = nullptr;
+    char* fl_out = nullptr;
     std::string cur_key;
 
-    for (int i = 1; i < argc; ++i)
-    {
-	if ((! strcmp(argvi, "-in")) && (++i < argc))
-	{
-	    fl_in = argvi;
-	}
-	else if ((! strcmp(argvi, "-out")) && (++i < argc))
-	{
-	    fl_out = argvi;
-	}
-	else if (! strcmp(argvi, "--static-id")) // don't document
-	{
-	    static_id = true; // this should be used in test suites only
-	}
-	else if ((! strcmp(argvi, "-key")) && (++i < argc))
-	{
-	    QTC::TC("examples", "pdf-mod-info -key");
-	    cur_key = argvi;
-	    if (! ((cur_key.length() > 0) && (cur_key.at(0) == '/')))
-	    {
-		cur_key = "/" + cur_key;
-	    }
-	    Keyscur_key = "";
-	}
-	else if ((! strcmp(argvi, "-val")) && (++i < argc))
-	{
-	    if (cur_key.empty())
-	    {
-		QTC::TC("examples", "pdf-mod-info usage wrong val");
-		usage();
-	    }
-	    QTC::TC("examples", "pdf-mod-info -val");
-	    Keyscur_key = argvi;
-	    cur_key.clear();
-	}
-	else
-	{
-	    QTC::TC("examples", "pdf-mod-info usage junk");
-	    usage();
-	}
+    for (int i = 1; i < argc; ++i) {
+        if ((!strcmp(argvi, "--in")) && (++i < argc)) {
+            fl_in = argvi;
+        } else if ((!strcmp(argvi, "--out")) && (++i < argc)) {
+            fl_out = argvi;
+        } else if (!strcmp(argvi, "--static-id")) // don't document
+        {
+            static_id = true; // this should be used in test suites only
+        } else if ((!strcmp(argvi, "--key")) && (++i < argc)) {
+            QTC::TC("examples", "pdf-mod-info -key");
+            cur_key = argvi;
+            if (!((cur_key.length() > 0) && (cur_key.at(0) == '/'))) {
+                cur_key = "/" + cur_key;
+            }
+            Keyscur_key = "";
+        } else if ((!strcmp(argvi, "--val")) && (++i < argc)) {
+            if (cur_key.empty()) {
+                QTC::TC("examples", "pdf-mod-info usage wrong val");
+                usage();
+            }
+            QTC::TC("examples", "pdf-mod-info -val");
+            Keyscur_key = argvi;
+            cur_key.clear();
+        } else {
+            QTC::TC("examples", "pdf-mod-info usage junk");
+            usage();
+        }
     }
-    if (! fl_in)
-    {
-	QTC::TC("examples", "pdf-mod-info no in file");
-	usage();
+    if (!fl_in) {
+        QTC::TC("examples", "pdf-mod-info no in file");
+        usage();
     }
-    if (! fl_out)
-    {
-	QTC::TC("examples", "pdf-mod-info in-place");
-	fl_out = fl_in;
+    if (!fl_out) {
+        QTC::TC("examples", "pdf-mod-info in-place");
+        fl_out = fl_in;
     }
-    if (Keys.size() == 0)
-    {
-	QTC::TC("examples", "pdf-mod-info no keys");
-	usage();
+    if (Keys.size() == 0) {
+        QTC::TC("examples", "pdf-mod-info no keys");
+        usage();
     }
 
     std::string fl_tmp = fl_out;
     fl_tmp += ".tmp";
 
-    try
-    {
-	QPDF file;
-	file.processFile(fl_in);
-
-	QPDFObjectHandle filetrailer = file.getTrailer();
-	QPDFObjectHandle fileinfo;
-
-	for (std::map<std::string, std::string>::const_iterator it =
-		 Keys.begin(); Keys.end() != it; ++it)
-	{
-	    if (! fileinfo.isInitialized())
-	    {
-		if (filetrailer.hasKey("/Info"))
-		{
-		    QTC::TC("examples", "pdf-mod-info has info");
-		    fileinfo = filetrailer.getKey("/Info");
-		}
-		else
-		{
-		    QTC::TC("examples", "pdf-mod-info file no info");
-		    fileinfo = QPDFObjectHandle::newDictionary();
-		    filetrailer.replaceKey("/Info", fileinfo);
-		}
-	    }
-	    if (it->second == "")
-	    {
-		fileinfo.removeKey(it->first);
-	    }
-	    else
-	    {
-		QPDFObjectHandle elt = fileinfo.newString(it->second);
-		elt.makeDirect();
-		fileinfo.replaceKey(it->first, elt);
-	    }
-	}
-	QPDFWriter w(file, fl_tmp.c_str());
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.setLinearization(true);
-	w.setStaticID(static_id); // for testing only
-	w.write();
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    try {
+        QPDF file;
+        file.processFile(fl_in);
+
+        QPDFObjectHandle filetrailer = file.getTrailer();
+        QPDFObjectHandle fileinfo;
+
+        for (auto const& it: Keys) {
+            if (!fileinfo.isInitialized()) {
+                if (filetrailer.hasKey("/Info")) {
+                    QTC::TC("examples", "pdf-mod-info has info");
+                    fileinfo = filetrailer.getKey("/Info");
+                } else {
+                    QTC::TC("examples", "pdf-mod-info file no info");
+                    fileinfo = QPDFObjectHandle::newDictionary();
+                    filetrailer.replaceKey("/Info", fileinfo);
+                }
+            }
+            if (it.second == "") {
+                fileinfo.removeKey(it.first);
+            } else {
+                QPDFObjectHandle elt = fileinfo.newString(it.second);
+                elt.makeDirect();
+                fileinfo.replaceKey(it.first, elt);
+            }
+        }
+        QPDFWriter w(file, fl_tmp.c_str());
+        w.setStreamDataMode(qpdf_s_preserve);
+        w.setLinearization(true);
+        w.setStaticID(static_id); // for testing only
+        w.write();
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 
-    try
-    {
-	(void) remove(fl_out);
-	QUtil::os_wrapper("rename " + fl_tmp + " " + std::string(fl_out),
-			  rename(fl_tmp.c_str(), fl_out));
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    try {
+        (void)remove(fl_out);
+        QUtil::os_wrapper(
+            "rename " + fl_tmp + " " + std::string(fl_out),
+            rename(fl_tmp.c_str(), fl_out));
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-name-number-tree.cc Added

@@ -0,0 +1,192 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFNameTreeObjectHelper.hh>
+#include <qpdf/QPDFNumberTreeObjectHelper.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QUtil.hh>
+#include <cstring>
+#include <iostream>
+
+static char const* whoami = nullptr;
+
+void
+usage()
+{
+    std::cerr << "Usage: " << whoami << " outfile.pdf" << std::endl
+              << "Create some name/number trees and write to a file"
+              << std::endl;
+    exit(2);
+}
+
+int
+main(int argc, char* argv)
+{
+    whoami = QUtil::getWhoami(argv0);
+
+    if (argc != 2) {
+        usage();
+    }
+
+    char const* outfilename = argv1;
+
+    QPDF qpdf;
+    qpdf.emptyPDF();
+
+    // This example doesn't do anything particularly useful other than
+    // just illustrate how to use the APIs for name and number trees.
+    // It also demonstrates use of the iterators for dictionaries and
+    // arrays introduced at the same time with qpdf 10.2.
+
+    // To use this example, compile it and run it. Study the output
+    // and compare it to what you expect. When done, look at the
+    // generated output file in a text editor to inspect the structure
+    // of the trees as left in the file.
+
+    // We're just going to create some name and number trees, hang
+    // them off the document catalog (root), and write an empty PDF to
+    // a file. The PDF will have no pages and won't be viewable, but
+    // you can look at it in a text editor to see the resulting
+    // structure of the PDF.
+
+    // Create a dictionary off the root where we will hang our name
+    // and number tree.
+    auto root = qpdf.getRoot();
+    auto example = QPDFObjectHandle::newDictionary();
+    root.replaceKey("/Example", example);
+
+    // Create a name tree, attach it to the file, and add some items.
+    auto name_tree = QPDFNameTreeObjectHelper::newEmpty(qpdf);
+    auto name_tree_oh = name_tree.getObjectHandle();
+    example.replaceKey("/NameTree", name_tree_oh);
+    name_tree.insert("K", QPDFObjectHandle::newUnicodeString("king"));
+    name_tree.insert("Q", QPDFObjectHandle::newUnicodeString("queen"));
+    name_tree.insert("R", QPDFObjectHandle::newUnicodeString("rook"));
+    name_tree.insert("B", QPDFObjectHandle::newUnicodeString("bishop"));
+    name_tree.insert("N", QPDFObjectHandle::newUnicodeString("knight"));
+    auto iter =
+        name_tree.insert("P", QPDFObjectHandle::newUnicodeString("pawn"));
+    // Look at the iterator
+    std::cout << "just inserted " << iter->first << " -> "
+              << iter->second.unparse() << std::endl;
+    --iter;
+    std::cout << "predecessor: " << iter->first << " -> "
+              << iter->second.unparse() << std::endl;
+    ++iter;
+    ++iter;
+    std::cout << "successor: " << iter->first << " -> "
+              << iter->second.unparse() << std::endl;
+
+    // Use range-for iteration
+    std::cout << "Name tree items:" << std::endl;
+    for (auto i: name_tree) {
+        std::cout << "  " << i.first << " -> " << i.second.unparse()
+                  << std::endl;
+    }
+
+    // This is a small tree, so everything will be at the root. We can
+    // look at it using dictionary and array iterators.
+    std::cout << "Keys in name tree object:" << std::endl;
+    QPDFObjectHandle names;
+    for (auto const& i: name_tree_oh.ditems()) {
+        std::cout << i.first << std::endl;
+        if (i.first == "/Names") {
+            names = i.second;
+        }
+    }
+    // Values in names array:
+    std::cout << "Values in names:" << std::endl;
+    for (auto& i: names.aitems()) {
+        std::cout << "  " << i.unparse() << std::endl;
+    }
+
+    // pre 10.2 API
+    std::cout << "Has Q?: " << name_tree.hasName("Q") << std::endl;
+    std::cout << "Has W?: " << name_tree.hasName("W") << std::endl;
+    QPDFObjectHandle obj;
+    std::cout << "Found W?: " << name_tree.findObject("W", obj) << std::endl;
+    std::cout << "Found Q?: " << name_tree.findObject("Q", obj) << std::endl;
+    std::cout << "Q: " << obj.unparse() << std::endl;
+
+    // 10.2 API
+    iter = name_tree.find("Q");
+    std::cout << "Q: " << iter->first << " -> " << iter->second.unparse()
+              << std::endl;
+    iter = name_tree.find("W");
+    std::cout << "W found: " << (iter != name_tree.end()) << std::endl;
+    // Allow find to return predecessor
+    iter = name_tree.find("W", true);
+    std::cout << "W's predecessor: " << iter->first << " -> "
+              << iter->second.unparse() << std::endl;
+
+    // We can also remove items
+    std::cout << "Remove P: " << name_tree.remove("P", &obj) << std::endl;
+    std::cout << "Value removed: " << obj.unparse() << std::endl;
+    std::cout << "Has P?: " << name_tree.hasName("P") << std::endl;
+    // Or we can remove using an iterator
+    iter = name_tree.find("K");
+    std::cout << "Find K: " << iter->second.unparse() << std::endl;
+    iter.remove();
+    std::cout << "Iter after removing K: " << iter->first << " -> "
+              << iter->second.unparse() << std::endl;
+    std::cout << "Has K?: " << name_tree.hasName("K") << std::endl;
+
+    // Illustrate some more advanced usage using number trees. These
+    // calls work for name trees too.
+
+    // The safe way to populate a tree is to call insert repeatedly as
+    // above, but if you know you are definitely inserting items in
+    // order, it is more efficient to insert them using insertAfter,
+    // which avoids doing a binary search through the tree for each
+    // insertion. Note that if you don't insert items in order using
+    // this method, you will create an invalid tree.
+    auto number_tree = QPDFNumberTreeObjectHelper::newEmpty(qpdf);
+    auto number_tree_oh = number_tree.getObjectHandle();
+    example.replaceKey("/NumberTree", number_tree_oh);
+    auto iter2 = number_tree.begin();
+    for (int i = 7; i <= 350; i += 7) {
+        iter2.insertAfter(
+            i,
+            QPDFObjectHandle::newString("-" + QUtil::int_to_string(i) + "-"));
+    }
+    std::cout << "Numbers:" << std::endl;
+    int n = 1;
+    for (auto& i: number_tree) {
+        std::cout << i.first << " -> " << i.second.getUTF8Value();
+        if (n % 5) {
+            std::cout << ", ";
+        } else {
+            std::cout << std::endl;
+        }
+        ++n;
+    }
+
+    // When you remove an item with an iterator, the iterator
+    // advances. This makes it possible to filter while iterating.
+    // Remove all items that are multiples of 5.
+    iter2 = number_tree.begin();
+    while (iter2 != number_tree.end()) {
+        if (iter2->first % 5 == 0) {
+            iter2.remove(); // also advances
+        } else {
+            ++iter2;
+        }
+    }
+    std::cout << "Numbers after filtering:" << std::endl;
+    n = 1;
+    for (auto& i: number_tree) {
+        std::cout << i.first << " -> " << i.second.getUTF8Value();
+        if (n % 5) {
+            std::cout << ", ";
+        } else {
+            std::cout << std::endl;
+        }
+        ++n;
+    }
+
+    // Write to an output file
+    QPDFWriter w(qpdf, outfilename);
+    w.setQDFMode(true);
+    w.setStaticID(true); // for testing only
+    w.write();
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-npages.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-npages.cc Changed

@@ -1,54 +1,45 @@
 #include <iostream>
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <qpdf/QPDF.hh>
 #include <qpdf/QUtil.hh>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " filename" << std::endl
-	      << "Prints the number of pages in filename" << std::endl;
+              << "Prints the number of pages in filename" << std::endl;
     exit(2);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((argc == 2) && (strcmp(argv1, "--version") == 0)) {
+        std::cout << whoami << " version 1.3" << std::endl;
+        exit(0);
     }
 
-    if ((argc == 2) && (strcmp(argv1, "--version") == 0))
-    {
-	std::cout << whoami << " version 1.3" << std::endl;
-	exit(0);
-    }
-
-    if (argc != 2)
-    {
-	usage();
+    if (argc != 2) {
+        usage();
     }
     char const* filename = argv1;
 
-    try
-    {
-	QPDF pdf;
-	pdf.processFile(filename);
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle pages = root.getKey("/Pages");
-	QPDFObjectHandle count = pages.getKey("/Count");
-	std::cout << count.getIntValue() << std::endl;
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << whoami << ": " << e.what() << std::endl;
-	exit(2);
+    try {
+        QPDF pdf;
+        pdf.processFile(filename);
+        QPDFObjectHandle root = pdf.getRoot();
+        QPDFObjectHandle pages = root.getKey("/Pages");
+        QPDFObjectHandle count = pages.getKey("/Count");
+        std::cout << count.getIntValue() << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-overlay-page.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-overlay-page.cc Changed

@@ -1,32 +1,30 @@
-#include <iostream>
-#include <string.h>
-#include <stdlib.h>
 #include <qpdf/QPDF.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
 #include <qpdf/QPDFWriter.hh>
 #include <qpdf/QUtil.hh>
+#include <iostream>
+#include <stdlib.h>
+#include <string.h>
 
 // This program demonstrates use of form XObjects to overlay a page
 // from one file onto all pages of another file. The qpdf program's
 // --overlay and --underlay options provide a more general version of
 // this capability.
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
-    std::cerr << "Usage: " << whoami << " infile pagefile outfile"
-	      << std::endl
-	      << "Stamp page 1 of pagefile on every page of infile,"
-              << " writing to outfile"
-	      << std::endl;
+    std::cerr << "Usage: " << whoami << " infile pagefile outfile" << std::endl
+              << "Stamp page 1 of pagefile on every page of infile,"
+              << " writing to outfile" << std::endl;
     exit(2);
 }
 
-static void stamp_page(char const* infile,
-                       char const* stampfile,
-                       char const* outfile)
+static void
+stamp_page(char const* infile, char const* stampfile, char const* outfile)
 {
     QPDF inpdf;
     inpdf.processFile(infile);
@@ -42,13 +40,7 @@
     QPDFObjectHandle stamp_fo = inpdf.copyForeignObject(foreign_fo);
 
     // For each page...
-    std::vector<QPDFPageObjectHelper> pages =
-        QPDFPageDocumentHelper(inpdf).getAllPages();
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter)
-    {
-        QPDFPageObjectHelper& ph = *iter;
-
+    for (auto& ph: QPDFPageDocumentHelper(inpdf).getAllPages()) {
         // Find a unique resource name for the new form XObject
         QPDFObjectHandle resources = ph.getAttribute("/Resources", true);
         int min_suffix = 1;
@@ -56,55 +48,49 @@
 
         // Generate content to place the form XObject centered within
         // destination page's trim box.
-        std::string content =
-            ph.placeFormXObject(
-                stamp_fo, name, ph.getTrimBox().getArrayAsRectangle());
-        if (! content.empty())
-        {
+        QPDFMatrix m;
+        std::string content = ph.placeFormXObject(
+            stamp_fo, name, ph.getTrimBox().getArrayAsRectangle(), m);
+        if (!content.empty()) {
             // Append the content to the page's content. Surround the
             // original content with q...Q to the new content from the
             // page's original content.
-            resources.mergeResources(
-                QPDFObjectHandle::parse("<< /XObject << >> >>"));
+            resources.mergeResources("<< /XObject << >> >>"_qpdf);
             resources.getKey("/XObject").replaceKey(name, stamp_fo);
             ph.addPageContents(
                 QPDFObjectHandle::newStream(&inpdf, "q\n"), true);
             ph.addPageContents(
                 QPDFObjectHandle::newStream(&inpdf, "\nQ\n" + content), false);
         }
+        // Copy the annotations and form fields from the original page
+        // to the new page. For more efficiency when copying multiple
+        // pages, we can create a QPDFAcroFormDocumentHelper and pass
+        // it in. See comments in QPDFPageObjectHelper.hh for details.
+        ph.copyAnnotations(stamp_page_1, m);
     }
 
     QPDFWriter w(inpdf, outfile);
-    w.setStaticID(true);        // for testing only
+    w.setStaticID(true); // for testing only
     w.write();
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
-    if (argc != 4)
-    {
+    if (argc != 4) {
         usage();
     }
     char const* infile = argv1;
     char const* stampfile = argv2;
     char const* outfile = argv3;
 
-    try
-    {
+    try {
         stamp_page(infile, stampfile, outfile);
-    }
-    catch (std::exception &e)
-    {
-	std::cerr << whoami << ": " << e.what() << std::endl;
-	exit(2);
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        exit(2);
     }
     return 0;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-parse-content.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-parse-content.cc Changed

@@ -1,18 +1,20 @@
 #include <iostream>
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
 #include <qpdf/QUtil.hh>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " filename page-number" << std::endl
-	      << "Prints a dump of the objects in the content streams"
+              << "Prints a dump of the objects in the content streams"
               << " of the given page." << std::endl
               << "Pages are numbered from 1." << std::endl;
     exit(2);
@@ -21,24 +23,27 @@
 class ParserCallbacks: public QPDFObjectHandle::ParserCallbacks
 {
   public:
-    virtual ~ParserCallbacks()
-    {
-    }
-
-    virtual void handleObject(QPDFObjectHandle);
+    virtual ~ParserCallbacks() = default;
+    virtual void contentSize(size_t);
+    virtual void handleObject(QPDFObjectHandle, size_t offset, size_t length);
     virtual void handleEOF();
 };
 
 void
-ParserCallbacks::handleObject(QPDFObjectHandle obj)
+ParserCallbacks::contentSize(size_t size)
 {
-    std::cout << obj.getTypeName() << ": ";
-    if (obj.isInlineImage())
-    {
+    std::cout << "content size: " << size << std::endl;
+}
+
+void
+ParserCallbacks::handleObject(
+    QPDFObjectHandle obj, size_t offset, size_t length)
+{
+    std::cout << obj.getTypeName() << ", offset=" << offset
+              << ", length=" << length << ": ";
+    if (obj.isInlineImage()) {
         std::cout << QUtil::hex_encode(obj.getInlineImageValue()) << std::endl;
-    }
-    else
-    {
+    } else {
         std::cout << obj.unparse() << std::endl;
     }
 }
@@ -49,42 +54,32 @@
     std::cout << "-EOF-" << std::endl;
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
-    if (argc != 3)
-    {
-	usage();
+    if (argc != 3) {
+        usage();
     }
     char const* filename = argv1;
     int pageno = QUtil::string_to_int(argv2);
 
-    try
-    {
-	QPDF pdf;
-	pdf.processFile(filename);
+    try {
+        QPDF pdf;
+        pdf.processFile(filename);
         std::vector<QPDFPageObjectHelper> pages =
             QPDFPageDocumentHelper(pdf).getAllPages();
-        if ((pageno < 1) || (static_cast<size_t>(pageno) > pages.size()))
-        {
+        if ((pageno < 1) || (QIntC::to_size(pageno) > pages.size())) {
             usage();
         }
 
-        QPDFPageObjectHelper& page = pages.at(pageno-1);
+        QPDFPageObjectHelper& page = pages.at(QIntC::to_size(pageno - 1));
         ParserCallbacks cb;
-        page.parsePageContents(&cb);
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << whoami << ": " << e.what() << std::endl;
-	exit(2);
+        page.parseContents(&cb);
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-set-form-values.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-set-form-values.cc Changed

@@ -1,37 +1,31 @@
-#include <stdio.h>
-#include <string.h>
-#include <iostream>
-#include <stdlib.h>
 #include <qpdf/QPDF.hh>
-#include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFAcroFormDocumentHelper.hh>
+#include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFWriter.hh>
 #include <qpdf/QUtil.hh>
+#include <iostream>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
-static char const* whoami = 0;
+static char const* whoami = nullptr;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " infile.pdf outfile.pdf value"
-	      << std::endl
-	      << "Set the value of all text fields to a specified value"
+              << std::endl
+              << "Set the value of all text fields to a specified value"
               << std::endl;
     exit(2);
 }
 
-
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
-    if (argc != 4)
-    {
+    if (argc != 4) {
         usage();
     }
 
@@ -45,10 +39,9 @@
     // to illustrate use of the helper classes around interactive
     // forms.
 
-    try
-    {
-	QPDF qpdf;
-	qpdf.processFile(infilename);
+    try {
+        QPDF qpdf;
+        qpdf.processFile(infilename);
 
         // We will iterate through form fields by starting at the page
         // level and looking at each field for each page. We could
@@ -57,53 +50,40 @@
         // illustrates how we can map from annotations to fields.
 
         QPDFAcroFormDocumentHelper afdh(qpdf);
-        QPDFPageDocumentHelper pdh(qpdf);
-        std::vector<QPDFPageObjectHelper> pages = pdh.getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator page_iter =
-                 pages.begin();
-             page_iter != pages.end(); ++page_iter)
-        {
+        for (auto const& page: QPDFPageDocumentHelper(qpdf).getAllPages()) {
             // Get all widget annotations for each page. Widget
             // annotations are the ones that contain the details of
             // what's in a form field.
-            std::vector<QPDFAnnotationObjectHelper> annotations =
-                afdh.getWidgetAnnotationsForPage(*page_iter);
-            for (std::vector<QPDFAnnotationObjectHelper>::iterator annot_iter =
-                     annotations.begin();
-                 annot_iter != annotations.end(); ++annot_iter)
-            {
+            for (auto& annot: afdh.getWidgetAnnotationsForPage(page)) {
                 // For each annotation, find its associated field. If
-                // it's a text field, set its value. This will
-                // automatically update the document to indicate that
-                // appearance streams need to be regenerated. At the
-                // time of this writing, qpdf doesn't have any helper
-                // code to assist with appearance stream generation,
-                // though there's nothing that prevents it from being
-                // possible.
+                // it's a text field, set its value.
                 QPDFFormFieldObjectHelper ffh =
-                    afdh.getFieldForAnnotation(*annot_iter);
-                if (ffh.getFieldType() == "/Tx")
-                {
-                    // Set the value. This will automatically set
-                    // /NeedAppearances to true. If you don't want to
-                    // do that, pass false as the second argument. For
-                    // details see comments in
-                    // QPDFFormFieldObjectHelper.hh.
-                    ffh.setV(value);
+                    afdh.getFieldForAnnotation(annot);
+                if (ffh.getFieldType() == "/Tx") {
+                    // Set the value. Passing false as the second
+                    // value prevents qpdf from setting
+                    // /NeedAppearances to true (but will not turn it
+                    // off if it's already on), so we call
+                    // generateAppearance after setting the value. You
+                    // may or may not want to do this depending on
+                    // whether the appearance streams generated by
+                    // qpdf are good enough for your purposes. For
+                    // additional details, please see comments in
+                    // QPDFFormFieldObjectHelper.hh for this method.
+                    ffh.setV(value, false);
+                    ffh.generateAppearance(annot);
                 }
             }
         }
 
-	// Write out a new file
-	QPDFWriter w(qpdf, outfilename);
+        // Write out a new file
+        QPDFWriter w(qpdf, outfilename);
         w.setStaticID(true); // for testing only
-	w.write();
-    }
-    catch (std::exception &e)
-    {
-	std::cerr << whoami << " processing file " << infilename << ": "
-		  << e.what() << std::endl;
-	exit(2);
+        w.write();
+    } catch (std::exception& e) {
+        std::cerr << whoami << " processing file " << infilename << ": "
+                  << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/pdf-split-pages.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/pdf-split-pages.cc Changed

@@ -4,82 +4,71 @@
 // does.
 //
 
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFWriter.hh>
 #include <qpdf/QUtil.hh>
 
+#include <cstring>
 #include <iostream>
 #include <stdlib.h>
 #include <string>
 
-static char const* whoami = 0;
 static bool static_id = false;
 
-static void process(char const* whoami,
-                    char const* infile,
-                    std::string outprefix)
+static void
+process(char const* whoami, char const* infile, std::string outprefix)
 {
     QPDF inpdf;
     inpdf.processFile(infile);
     std::vector<QPDFPageObjectHelper> pages =
         QPDFPageDocumentHelper(inpdf).getAllPages();
-    int pageno_len = QUtil::int_to_string(pages.size()).length();
+    int pageno_len =
+        QIntC::to_int(QUtil::uint_to_string(pages.size()).length());
     int pageno = 0;
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter)
-    {
-        QPDFPageObjectHelper& page(*iter);
+    for (auto& page: pages) {
         std::string outfile =
             outprefix + QUtil::int_to_string(++pageno, pageno_len) + ".pdf";
         QPDF outpdf;
         outpdf.emptyPDF();
         QPDFPageDocumentHelper(outpdf).addPage(page, false);
         QPDFWriter outpdfw(outpdf, outfile.c_str());
-	if (static_id)
-	{
-	    // For the test suite, uncompress streams and use static
-	    // IDs.
-	    outpdfw.setStaticID(true); // for testing only
-	    outpdfw.setStreamDataMode(qpdf_s_uncompress);
-	}
+        if (static_id) {
+            // For the test suite, uncompress streams and use static
+            // IDs.
+            outpdfw.setStaticID(true); // for testing only
+            outpdfw.setStreamDataMode(qpdf_s_uncompress);
+        }
         outpdfw.write();
     }
 }
 
-void usage()
+void
+usage(char const* whoami)
 {
     std::cerr << "Usage: " << whoami << " infile outprefix" << std::endl;
     exit(2);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    whoami = QUtil::getWhoami(argv0);
+    char const* whoami = QUtil::getWhoami(argv0);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
     // For test suite
-    if ((argc > 1) && (strcmp(argv1, " --static-id") == 0))
-    {
+    if ((argc > 1) && (strcmp(argv1, " --static-id") == 0)) {
         static_id = true;
         --argc;
         ++argv;
     }
 
-    if (argc != 3)
-    {
-        usage();
+    if (argc != 3) {
+        usage(whoami);
     }
-    try
-    {
+    try {
         process(whoami, argv1, argv2);
-    }
-    catch (std::exception const& e)
-    {
+    } catch (std::exception const& e) {
         std::cerr << whoami << ": exception: " << e.what() << std::endl;
         return 2;
     }

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qpdf-job.cc Added

@@ -0,0 +1,104 @@
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFJob.hh>
+#include <qpdf/QUtil.hh>
+
+#include <cstring>
+#include <iostream>
+
+// This program is a simple demonstration of different ways to use the
+// QPDFJob API.
+
+static char const* whoami = nullptr;
+
+static void
+usage()
+{
+    std::cerr << "Usage: " << whoami << std::endl
+              << "This program linearizes the first page of in.pdf to out1.pdf,"
+              << " out2.pdf, and" << std::endl
+              << " out3.pdf, each demonstrating a different way to use the"
+              << " QPDFJob API" << std::endl;
+    exit(2);
+}
+
+int
+main(int argc, char* argv)
+{
+    whoami = QUtil::getWhoami(argv0);
+
+    if (argc != 1) {
+        usage();
+    }
+
+    // The examples below all catch std::exception. Note that
+    // QPDFUsage can be caught separately to report on errors in using
+    // the API itself. For CLI, this is command-line usage. For JSON
+    // or the API, it would be errors from the equivalent invocation.
+
+    // Note that staticId is used for testing only.
+
+    try {
+        // Use the config API
+        QPDFJob j;
+        j.config()
+            ->inputFile("in.pdf")
+            ->outputFile("out1.pdf")
+            ->pages()
+            ->pageSpec(".", "1")
+            ->endPages()
+            ->linearize()
+            ->staticId() // for testing only
+            ->checkConfiguration();
+        j.run();
+        std::cout << "out1 status: " << j.getExitCode() << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << "exception: " << e.what() << std::endl;
+        return 2;
+    }
+
+    try {
+        char const* new_argv = {
+            whoami,
+            "in.pdf",
+            "out2.pdf",
+            "--linearize",
+            "--pages",
+            ".",
+            "1",
+            "--",
+            "--static-id",
+            nullptr};
+        QPDFJob j;
+        j.initializeFromArgv(new_argv);
+        j.run();
+        std::cout << "out2 status: " << j.getExitCode() << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << "exception: " << e.what() << std::endl;
+        return 2;
+    }
+
+    try {
+        // Use the JSON API
+        QPDFJob j;
+        j.initializeFromJson(R"({
+  "inputFile": "in.pdf",
+  "outputFile": "out3.pdf",
+  "staticId": "",
+  "linearize": "",
+  "pages": 
+    {
+      "file": ".",
+      "range": "1"
+    }
+  
+}
+)");
+        j.run();
+        std::cout << "out3 status: " << j.getExitCode() << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << "exception: " << e.what() << std::endl;
+        return 2;
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qpdfjob-c-save-attachment.c Added

@@ -0,0 +1,99 @@
+#include <qpdf/Constants.h>
+#include <qpdf/qpdfjob-c.h>
+#include <qpdf/qpdflogger-c.h>
+
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// This example demonstrates how we can redirect where saved output
+// goes by calling the default logger's setSave method before running
+// something with QPDFJob. See qpdfjob-c-save-attachment.c for an
+// implementation that uses the C API.
+
+static int
+save_to_file(char const* data, size_t len, void* udata)
+{
+    FILE* f = (FILE*)udata;
+    return fwrite(data, 1, len, f) != len;
+}
+
+static FILE*
+do_fopen(char const* filename)
+{
+    FILE* f = NULL;
+#ifdef _MSC_VER
+    if (fopen_s(&f, filename, "wb") != 0) {
+        f = NULL;
+    }
+#else
+    f = fopen(filename, "wb");
+#endif
+    if (f == NULL) {
+        fprintf(stderr, "unable to open %s\n", filename);
+        exit(2);
+    }
+    return f;
+}
+
+int
+main(int argc, char* argv)
+{
+    char const* whoami = "qpdfjob-c-save-attachment";
+    char const* filename = NULL;
+    char const* key = NULL;
+    char const* outfilename = NULL;
+    char* attachment_arg = NULL;
+    char const* attachment_flag = "--show-attachment=";
+    size_t flag_len = 0;
+    FILE* outfile = NULL;
+    int status = 0;
+    qpdfjob_handle j = NULL;
+    qpdflogger_handle l = qpdflogger_default_logger();
+
+    if (argc != 4) {
+        fprintf(stderr, "Usage: %s file attachment-key outfile\n", whoami);
+        exit(2);
+    }
+
+    filename = argv1;
+    key = argv2;
+    outfilename = argv3;
+
+    flag_len = strlen(attachment_flag) + strlen(key) + 1;
+    attachment_arg = malloc(flag_len);
+#ifdef _MSC_VER
+    strncpy_s(attachment_arg, flag_len, attachment_flag, flag_len);
+    strncat_s(attachment_arg, flag_len, key, flag_len - strlen(attachment_arg));
+#else
+    strncpy(attachment_arg, attachment_flag, flag_len);
+    strncat(attachment_arg, key, flag_len - strlen(attachment_arg));
+#endif
+
+    char const* j_argv5 = {
+        whoami,
+        filename,
+        attachment_arg,
+        "--",
+        NULL,
+    };
+    outfile = do_fopen(outfilename);
+
+    /* Use qpdflogger_set_save with a callback function to redirect
+     * saved data. You can use other qpdf logger functions to capture
+     * informational output, warnings, and errors.
+     */
+    qpdflogger_set_save(
+        l, qpdf_log_dest_custom, save_to_file, (void*)outfile, 0);
+    qpdflogger_cleanup(&l);
+    j = qpdfjob_init();
+    status = (qpdfjob_initialize_from_argv(j, j_argv) || qpdfjob_run(j));
+    qpdfjob_cleanup(&j);
+    free(attachment_arg);
+    fclose(outfile);
+    if (status == qpdf_exit_success) {
+        printf("%s: wrote attachment to %s\n", whoami, outfilename);
+    }
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qpdfjob-c.c Added

@@ -0,0 +1,62 @@
+/*
+ * This is an example program to linearize a PDF file using the C
+ * QPDFJob API.
+ */
+
+#include <qpdf/qpdfjob-c.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static char const* whoami = 0;
+
+static void
+usage()
+{
+    fprintf(stderr, "Usage: %s infile outfile\n", whoami);
+    exit(2);
+}
+
+int
+main(int argc, char* argv)
+{
+    char* infile = NULL;
+    char* outfile = NULL;
+    char const* new_argv6;
+    int r = 0;
+    char* p = 0;
+
+    if ((p = strrchr(argv0, '/')) != NULL) {
+        whoami = p + 1;
+    } else if ((p = strrchr(argv0, '\\')) != NULL) {
+        whoami = p + 1;
+    } else {
+        whoami = argv0;
+    }
+
+    if (argc != 3) {
+        usage();
+    }
+
+    infile = argv1;
+    outfile = argv2;
+
+    new_argv0 = "qpdfjob";
+    new_argv1 = infile;
+    new_argv2 = outfile;
+    new_argv3 = "--linearize";
+    new_argv4 = "--static-id"; /* for testing only */
+    new_argv5 = NULL;
+
+    /* See qpdf-job.cc for a C++ example of using the json interface.
+     * To use that from C just like the argv one, call
+     * qpdfjob_run_from_json instead and pass the json string as a
+     * single char const* argument.
+     *
+     * See qpdfjob-c-save-attachment.c for an example of using the
+     * full form of the qpdfjob interface with init and cleanup
+     * functions.
+     */
+    r = qpdfjob_run_from_argv(new_argv);
+    return r;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qpdfjob-save-attachment.cc Added

@@ -0,0 +1,51 @@
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/QPDFJob.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QUtil.hh>
+
+// This example demonstrates how we can redirect where saved output
+// goes by calling the default logger's setSave method before running
+// something with QPDFJob. See qpdfjob-c-save-attachment.c for an
+// implementation that uses the C API.
+
+int
+main(int argc, char* argv)
+{
+    auto whoami = QUtil::getWhoami(argv0);
+
+    if (argc != 4) {
+        std::cerr << "Usage: " << whoami << " file attachment-key outfile"
+                  << std::endl;
+        exit(2);
+    }
+
+    char const* filename = argv1;
+    char const* key = argv2;
+    char const* outfilename = argv3;
+    std::string attachment_arg = "--show-attachment=";
+    attachment_arg += key;
+
+    char const* j_argv = {
+        whoami,
+        filename,
+        attachment_arg.c_str(),
+        "--",
+        nullptr,
+    };
+
+    QUtil::FileCloser fc(QUtil::safe_fopen(outfilename, "wb"));
+    auto save = std::make_shared<Pl_StdioFile>("capture", fc.f);
+    QPDFLogger::defaultLogger()->setSave(save, false);
+
+    try {
+        QPDFJob j;
+        j.initializeFromArgv(j_argv);
+        j.run();
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        exit(2);
+    }
+
+    std::cout << whoami << ": wrote attachment to " << outfilename << std::endl;
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/attach-file Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/attach-file.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/attach-file/input.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/attach-file/output.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/attach-file/potato.png Added

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/bookmarks.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/bookmarks.test Changed

@@ -9,44 +9,44 @@
 
 my $td = new TestDriver('pdf-bookmarks');
 
-foreach my $show ("", " -show-open")
+foreach my $show ("", " --show-open")
 {
-    foreach my $style ("", " -lines", " -numbers")
+    foreach my $style ("", " --lines", " --numbers")
     {
         my $xshow = $show ? $show : "x";
         my $xstyle = $style ? $style : "x";
-	my $out = "test.$xshow.$xstyle.out";
-	$out =~ s/ //g;
-	$td->runtest("show:$show, style:$style",
-		     {$td->COMMAND => "pdf-bookmarks $show $style 1.pdf"},
-		     {$td->FILE => $out, $td->EXIT_STATUS => 0},
-		     $td->NORMALIZE_NEWLINES);
+        my $out = "test.$xshow.$xstyle.out";
+        $out =~ s/ //g;
+        $td->runtest("show:$show, style:$style",
+                     {$td->COMMAND => "pdf-bookmarks $show $style 1.pdf"},
+                     {$td->FILE => $out, $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
     }
 }
 $td->runtest("no bookmarks",
-	     {$td->COMMAND => "pdf-bookmarks 2.pdf"},
-	     {$td->STRING => "2.pdf has no bookmarks\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "pdf-bookmarks 2.pdf"},
+             {$td->STRING => "2.pdf has no bookmarks\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("bad",
-	     {$td->COMMAND => "pdf-bookmarks 3.pdf"},
-	     {$td->REGEXP => "pdf-bookmarks processing file 3.pdf: " .
-		  ".*unable to find trailer.*",
-		  $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "pdf-bookmarks 3.pdf"},
+             {$td->REGEXP => "pdf-bookmarks processing file 3.pdf: " .
+                  ".*unable to find trailer.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("encrypted, targets",
-	     {$td->COMMAND => "pdf-bookmarks -show-targets 4.pdf user"},
-	     {$td->FILE => "encrypted.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "pdf-bookmarks --show-targets 4.pdf user"},
+             {$td->FILE => "encrypted.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("bookmarks deleted",
-	     {$td->COMMAND => "pdf-bookmarks 5.pdf user"},
-	     {$td->STRING => "5.pdf has no bookmarks\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "pdf-bookmarks 5.pdf user"},
+             {$td->STRING => "5.pdf has no bookmarks\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("non-trivial pdf doc to unicode",
              {$td->COMMAND => "pdf-bookmarks issue-179.pdf"},

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/bookmarks/test.--show-open.--lines.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/bookmarks/test.--show-open.--numbers.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/bookmarks/test.--show-open.x.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/bookmarks/test.x.--lines.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/bookmarks/test.x.--numbers.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/c-objects Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/c-objects.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/c-objects/1-out.pdf Added

@@ -0,0 +1,433 @@
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+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/c-objects/2-out.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/c-objects/2.pdf Added

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+
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+
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+  /Kids 
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+  
+  /Type /Pages
+>>
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+
+%% Page 1
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+    >>
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+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
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+>>
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+
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+>>
+startxref
+683
+%%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/count-strings.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/count-strings.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/create.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/create.test Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/custom-filter Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/custom-filter.test Added

@@ -0,0 +1,47 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+chdir("custom-filter") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('custom-filter');
+
+# The file input.pdf contains two streams, whose contents appear
+# uncompressed with explanatory text. They are marked with the keys
+# that pdf-custom-filter uses to decide 1) to re-encode using the
+# fictitious /XORDecode filter, and 2) whether to protect the stream
+# to prevent decoding using the custom filter even when decoding
+# specialized filters is requested.
+
+$td->runtest("custom filter, decode generalized",
+             {$td->COMMAND => "pdf-custom-filter input.pdf a.pdf"},
+             {$td->STRING => "pdf-custom-filter: new file written to a.pdf\n",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "generalized.pdf"});
+
+$td->runtest("custom filter, decode specialized",
+             {$td->COMMAND =>
+                  "pdf-custom-filter --decode-specialized input.pdf a.pdf"},
+             {$td->STRING => "pdf-custom-filter: new file written to a.pdf\n",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "specialized.pdf"});
+
+cleanup();
+
+$td->report(4);
+
+sub cleanup
+{
+    unlink "a.pdf";
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/custom-filter/generalized.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/custom-filter/input.pdf Added

@@ -0,0 +1,149 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 2 0
+2 0 obj
+<<
+  /Count 1
+  /Kids 
+    3 0 R
+  
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+%% Original object ID: 3 0
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox 
+    0
+    0
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+    792
+  
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+%% Original object ID: 4 0
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
+%% Original object ID: 6 0
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+%% Original object ID: 5 0
+7 0 obj
+
+  /PDF
+  /Text
+
+endobj
+
+8 0 obj
+<<
+  /Length 9 0 R
+  /DoXOR true
+>>
+stream
+
+This stream has /DoXOR true. When processed with pdf-custom-filter
+without the --decode-specialized option, the stream will appear in the
+output encoded with the fictitious /XORDecode filter, and its
+/DecodeParms will contain a reference to the key stream. When
+processed with pdf-custom-filter with the --decode-specialized option,
+it will appear in the output as a regular stream with /FlateDecode,
+but the /OrigLength key will still have been added.
+
+endstream
+endobj
+
+9 0 obj
+455
+endobj
+
+10 0 obj
+<<
+  /Length 11 0 R
+  /DoXOR true
+  /ProtectXOR true
+>>
+stream
+
+This stream has /DoXOR true and /ProtectXOR true. When processed with
+pdf-custom-filter with or without the --decode-specialized option, the
+stream will appear in the output encoded with the fictitious
+/XORDecode filter, and its /DecodeParms will contain a reference to
+the key stream.
+
+endstream
+endobj
+
+11 0 obj
+288
+endobj
+
+xref
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+trailer <<
+  /Root 1 0 R
+  /Size 12
+  /Example  8 0 R 10 0 R 
+  /ID <01f4bb169ae6e6b5f27505733e9abf42><01f4bb169ae6e6b5f27505733e9abf42>
+>>
+startxref
+1752
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/custom-filter/specialized.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/double-page-size.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/double-page-size.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/double-page-size/out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/double-page-size/out.pdf Changed

@@ -7,10 +7,10 @@
 << /Count 2 /Kids  3 0 R 4 0 R  /Type /Pages >>
 endobj
 3 0 obj
-<< /Contents  5 0 R 6 0 R  /MediaBox  0.00 0.00 1224.00 1584.00  /Parent 2 0 R /Resources << /Font << /F1 7 0 R >> /ProcSet 8 0 R >> /Type /Page >>
+<< /Contents  5 0 R 6 0 R  /MediaBox  0 0 1224 1584  /Parent 2 0 R /Resources << /Font << /F1 7 0 R >> /ProcSet 8 0 R >> /Type /Page >>
 endobj
 4 0 obj
-<< /Contents  9 0 R 10 0 R  /MediaBox  0.00 0.00 1224.00 1584.00  /Parent 2 0 R /Resources << /Font << /F1 7 0 R >> /ProcSet 8 0 R >> /Type /Page >>
+<< /Contents  9 0 R 10 0 R  /MediaBox  0 0 1224 1584  /Parent 2 0 R /Resources << /Font << /F1 7 0 R >> /ProcSet 8 0 R >> /Type /Page >>
 endobj
 5 0 obj
 << /Length 15 >>
@@ -56,14 +56,14 @@
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 trailer << /Root 1 0 R /Size 11 /ID <071a6499182be9cfc990b11d0c4e5bc0><31415926535897932384626433832795> >>
 startxref
-915
+891
 %%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/filter-tokens.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/filter-tokens.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/filter-tokens/out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/filter-tokens/out.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/invert-images.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/invert-images.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/linearize.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/linearize.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/mod-info.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/mod-info.test Changed

@@ -11,70 +11,69 @@
 my $td = new TestDriver('pdf-mod-info');
 
 my $prg = "pdf-mod-info";
-my $qpdf = $ENV{'QPDF_BIN'} or die;
 
 cleanup();
 
 $td->runtest("usage #1",
-	     {$td->COMMAND => "$prg -in target.pdf"},
-	     {$td->FILE => "usage.out",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "$prg --in target.pdf"},
+             {$td->FILE => "usage.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("usage #2",
-	     {$td->COMMAND => "$prg -key abc -val def"},
-	     {$td->FILE => "usage.out",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "$prg --key abc --val def"},
+             {$td->FILE => "usage.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("usage #3",
-	     {$td->COMMAND => "$prg -key abc -val def abc"},
-	     {$td->FILE => "usage.out",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "$prg --key abc --val def abc"},
+             {$td->FILE => "usage.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("usage #4",
-	     {$td->COMMAND => "$prg -in source1.pdf -key date -val 01/01/01 -val 12/12/12"},
-	     {$td->FILE => "usage.out",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "$prg --in source1.pdf --key date --val 01/01/01 --val 12/12/12"},
+             {$td->FILE => "usage.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("dump #1",
-	     {$td->COMMAND => "$prg --dump -in files/source1.pdf"},
-	     {$td->FILE => "dump.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "$prg --dump files/source1.pdf"},
+             {$td->FILE => "dump.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("dump #2",
-	     {$td->COMMAND => "$prg --dump -in files/no-info.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "$prg --dump files/no-info.pdf"},
+             {$td->STRING => "",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("dump #3",
-	     {$td->COMMAND => "$prg --dump -in files/empty-info.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0});
+             {$td->COMMAND => "$prg --dump files/empty-info.pdf"},
+             {$td->STRING => "",
+              $td->EXIT_STATUS => 0});
 
 run_and_cmp("modify Subject",
-	    "$prg -in files/source1.pdf -out out.pdf -key Subject " .
-	    "-val \"Export Business\"",
-	    "", "out.pdf", "files/1.qdf");
+            "$prg --in files/source1.pdf --out out.pdf --key Subject " .
+            "--val \"Export Business\"",
+            "", "out.pdf", "files/1.qdf");
 
 run_and_cmp("add Subject, remove Producer, modify CreationDate",
-	    "$prg -in files/source2.pdf -out out.pdf -key Subject " .
-	    "-val \"Tammlin\" -key Producer -key CreationDate -val 12/12",
-	    "", "out.pdf", "files/2.qdf");
+            "$prg --in files/source2.pdf --out out.pdf --key Subject " .
+            "--val \"Tammlin\" --key Producer --key CreationDate --val 12/12",
+            "", "out.pdf", "files/2.qdf");
 
 run_and_cmp("add Subject (empty-info file)",
-	    "$prg -in files/empty-info.pdf -out out.pdf -key Subject " .
-	    "-val Tammlin",
-	    "", "out.pdf", "files/3.qdf");
+            "$prg --in files/empty-info.pdf --out out.pdf --key Subject " .
+            "--val Tammlin",
+            "", "out.pdf", "files/3.qdf");
 
 copy("files/no-info.pdf", "no-info.pdf") or die "can't copy no-info: $!";
 run_and_cmp("in-place Producer added (no-info file)",
-	    "$prg -in no-info.pdf -key Producer -val \"Obivan Kinobi\"",
-	    "", "no-info.pdf", "files/4.qdf");
+            "$prg --in no-info.pdf --key Producer --val \"Obivan Kinobi\"",
+            "", "no-info.pdf", "files/4.qdf");
 
 cleanup();
 
@@ -89,12 +88,12 @@
 {
     my ($dsc, $cmd, $out, $fout, $fexp) = @_;
     $td->runtest($dsc,
-		 {$td->COMMAND => "$cmd --static-id"},
-		 {$td->STRING => $out,
-		  $td->EXIT_STATUS => 0});
+                 {$td->COMMAND => "$cmd --static-id"},
+                 {$td->STRING => $out,
+                  $td->EXIT_STATUS => 0});
     $td->runtest("$dsc output",
-		 {$td->COMMAND => "$qpdf --static-id" .
-		      " --no-original-object-ids -qdf $fout -"},
-		 {$td->FILE => $fexp,
-		  $td->EXIT_STATUS => 0});
+                 {$td->COMMAND => "qpdf --static-id" .
+                      " --no-original-object-ids -qdf $fout -"},
+                 {$td->FILE => $fexp,
+                  $td->EXIT_STATUS => 0});
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/mod-info/usage.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/mod-info/usage.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/name-number-tree Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/name-number-tree.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/name-number-tree/nn.out Added

@@ -0,0 +1,59 @@
+just inserted P -> (pawn)
+predecessor: N -> (knight)
+successor: Q -> (queen)
+Name tree items:
+  B -> (bishop)
+  K -> (king)
+  N -> (knight)
+  P -> (pawn)
+  Q -> (queen)
+  R -> (rook)
+Keys in name tree object:
+/Names
+Values in names:
+  (B)
+  (bishop)
+  (K)
+  (king)
+  (N)
+  (knight)
+  (P)
+  (pawn)
+  (Q)
+  (queen)
+  (R)
+  (rook)
+Has Q?: 1
+Has W?: 0
+Found W?: 0
+Found Q?: 1
+Q: (queen)
+Q: Q -> (queen)
+W found: 0
+W's predecessor: R -> (rook)
+Remove P: 1
+Value removed: (pawn)
+Has P?: 0
+Find K: (king)
+Iter after removing K: N -> (knight)
+Has K?: 0
+Numbers:
+7 -> -7-, 14 -> -14-, 21 -> -21-, 28 -> -28-, 35 -> -35-
+42 -> -42-, 49 -> -49-, 56 -> -56-, 63 -> -63-, 70 -> -70-
+77 -> -77-, 84 -> -84-, 91 -> -91-, 98 -> -98-, 105 -> -105-
+112 -> -112-, 119 -> -119-, 126 -> -126-, 133 -> -133-, 140 -> -140-
+147 -> -147-, 154 -> -154-, 161 -> -161-, 168 -> -168-, 175 -> -175-
+182 -> -182-, 189 -> -189-, 196 -> -196-, 203 -> -203-, 210 -> -210-
+217 -> -217-, 224 -> -224-, 231 -> -231-, 238 -> -238-, 245 -> -245-
+252 -> -252-, 259 -> -259-, 266 -> -266-, 273 -> -273-, 280 -> -280-
+287 -> -287-, 294 -> -294-, 301 -> -301-, 308 -> -308-, 315 -> -315-
+322 -> -322-, 329 -> -329-, 336 -> -336-, 343 -> -343-, 350 -> -350-
+Numbers after filtering:
+7 -> -7-, 14 -> -14-, 21 -> -21-, 28 -> -28-, 42 -> -42-
+49 -> -49-, 56 -> -56-, 63 -> -63-, 77 -> -77-, 84 -> -84-
+91 -> -91-, 98 -> -98-, 112 -> -112-, 119 -> -119-, 126 -> -126-
+133 -> -133-, 147 -> -147-, 154 -> -154-, 161 -> -161-, 168 -> -168-
+182 -> -182-, 189 -> -189-, 196 -> -196-, 203 -> -203-, 217 -> -217-
+224 -> -224-, 231 -> -231-, 238 -> -238-, 252 -> -252-, 259 -> -259-
+266 -> -266-, 273 -> -273-, 287 -> -287-, 294 -> -294-, 301 -> -301-
+308 -> -308-, 322 -> -322-, 329 -> -329-, 336 -> -336-, 343 -> -343-

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/name-number-tree/out.pdf Added

@@ -0,0 +1,191 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Example <<
+    /NameTree 2 0 R
+    /NumberTree 3 0 R
+  >>
+  /Pages 4 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 3 0
+2 0 obj
+<<
+  /Names 
+    (B)
+    (bishop)
+    (N)
+    (knight)
+    (Q)
+    (queen)
+    (R)
+    (rook)
+  
+>>
+endobj
+
+%% Original object ID: 4 0
+3 0 obj
+<<
+  /Kids 
+    5 0 R
+    6 0 R
+    7 0 R
+  
+  /Limits 
+    7
+    343
+  
+>>
+endobj
+
+%% Original object ID: 2 0
+4 0 obj
+<<
+  /Count 0
+  /Kids 
+  
+  /Type /Pages
+>>
+endobj
+
+%% Original object ID: 5 0
+5 0 obj
+<<
+  /Limits 
+    7
+    112
+  
+  /Nums 
+    7
+    (-7-)
+    14
+    (-14-)
+    21
+    (-21-)
+    28
+    (-28-)
+    42
+    (-42-)
+    49
+    (-49-)
+    56
+    (-56-)
+    63
+    (-63-)
+    77
+    (-77-)
+    84
+    (-84-)
+    91
+    (-91-)
+    98
+    (-98-)
+    112
+    (-112-)
+  
+>>
+endobj
+
+%% Original object ID: 6 0
+6 0 obj
+<<
+  /Limits 
+    119
+    224
+  
+  /Nums 
+    119
+    (-119-)
+    126
+    (-126-)
+    133
+    (-133-)
+    147
+    (-147-)
+    154
+    (-154-)
+    161
+    (-161-)
+    168
+    (-168-)
+    182
+    (-182-)
+    189
+    (-189-)
+    196
+    (-196-)
+    203
+    (-203-)
+    217
+    (-217-)
+    224
+    (-224-)
+  
+>>
+endobj
+
+%% Original object ID: 7 0
+7 0 obj
+<<
+  /Limits 
+    231
+    343
+  
+  /Nums 
+    231
+    (-231-)
+    238
+    (-238-)
+    252
+    (-252-)
+    259
+    (-259-)
+    266
+    (-266-)
+    273
+    (-273-)
+    287
+    (-287-)
+    294
+    (-294-)
+    301
+    (-301-)
+    308
+    (-308-)
+    322
+    (-322-)
+    329
+    (-329-)
+    336
+    (-336-)
+    343
+    (-343-)
+  
+>>
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000052 00000 n 
+0000000194 00000 n 
+0000000339 00000 n 
+0000000462 00000 n 
+0000000551 00000 n 
+0000000878 00000 n 
+0000001233 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 8
+  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
+>>
+startxref
+1581
+%%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/npages.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/npages.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/overlay-page.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/overlay-page.test Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/overlay-page/annotations-out.pdf Added

@@ -0,0 +1,706 @@
+%PDF-1.4
+%¿÷¢þ
+1 0 obj
+<< /AcroForm 3 0 R /Pages 4 0 R /Type /Catalog >>
+endobj
+2 0 obj
+<< /CreationDate (D:20120721200217) /Producer (Apex PDFWriter) >>
+endobj
+3 0 obj
+<< /DR 5 0 R /Fields  6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R 14 0 R 15 0 R 16 0 R 17 0 R  >>
+endobj
+4 0 obj
+<< /Count 4 /Kids  18 0 R 19 0 R 20 0 R 21 0 R  /Type /Pages >>
+endobj
+5 0 obj
+<< /Font << /F1 22 0 R >> >>
+endobj
+6 0 obj
+<< /AP << /N 23 0 R >> /DA (0 0.4 0 rg /F1 18 Tf) /DR 5 0 R /DV () /FT /Tx /Ff 0 /Rect  72 470.774 190.8 484.922  /Subtype /Widget /T (Text Box 1) /Type /Annot /V (Formy field) >>
+endobj
+7 0 obj
+<< /AP << /N 24 0 R >> /DA (0 0.4 0 rg /F1 18 Tf) /DR 5 0 R /DV () /FT /Tx /Ff 0 /Rect  372 330.774 386.148 470.374  /Subtype /Widget /T (Text Box 1) /Type /Annot /V (Rot-ccw field) >>
+endobj
+8 0 obj
+<< /DV /1 /FT /Btn /Ff 49152 /Kids  25 0 R 26 0 R 27 0 R  /T (r1) /V /2 >>
+endobj
+9 0 obj
+<< /AP << /N 28 0 R >> /DA (0 0.4 0 rg /F1 18 Tf) /DR 5 0 R /DV () /FT /Tx /Ff 0 /Rect  72 470.774 190.8 484.922  /Subtype /Widget /T (Text Box 1+1) /Type /Annot /V (Formy field) >>
+endobj
+10 0 obj
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+endobj
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+endobj
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+  1 0 0 1 72 546 Tm
+  /F1 20 Tf
+  (Thick green border surrounds page.) Tj
+  0 -40 Td
+  /F1 24 Tf
+  0 0 1 rg
+  (https://www.qbilt.org) Tj
+  /F1 12 Tf
+  1 0 0 1 202 474 Tm
+  (<- Formy field in yellow) Tj
+  1 0 0 1 392 410 Tm
+  14.4 TL
+  (<- Rot-ccw field) Tj
+  (with "Rot" at bottom) '
+  (and text going up) '
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+%%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/overlay-page/out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/overlay-page/out.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/parse-content.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/parse-content.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/parse-content/content.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/parse-content/content.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/pdf-split-pages.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/pdf-split-pages.test Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdf-job Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdf-job.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdf-job/in.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdf-job/out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdf-job/out.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdfjob-attachment Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdfjob-attachment/attach.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdfjob-c Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdfjob-c.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdfjob-c/in.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/qpdfjob-c/out.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/save-attachment.test Added

@@ -0,0 +1,42 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+chdir("qpdfjob-attachment") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('qpdfjob-attachment');
+
+$td->runtest("save attachment (C)",
+             {$td->COMMAND => "qpdfjob-c-save-attachment attach.pdf a a"},
+             {$td->STRING =>
+                  "qpdfjob-c-save-attachment: wrote attachment to a\n",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a"},
+             {$td->STRING => "quack\n"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("save attachment (C++)",
+             {$td->COMMAND => "qpdfjob-save-attachment attach.pdf a b"},
+             {$td->STRING =>
+                  "qpdfjob-save-attachment: wrote attachment to b\n",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "b"},
+             {$td->STRING => "quack\n"},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+
+$td->report(4);
+
+sub cleanup
+{
+    unlink "a", "b";
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/set-form-values.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/set-form-values.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/set-form-values/form-out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/examples/qtest/set-form-values/form-out.pdf Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/format-code Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/CMakeLists.txt Added

@@ -0,0 +1,178 @@
+# This directory contains support for Google's oss-fuzz project. See
+# https://github.com/google/oss-fuzz/tree/master/projects/qpdf
+
+set(FUZZERS
+  qpdf_fuzzer
+  ascii85_fuzzer
+  dct_fuzzer
+  flate_fuzzer
+  hex_fuzzer
+  lzw_fuzzer
+  pngpredictor_fuzzer
+  runlength_fuzzer
+  tiffpredictor_fuzzer)
+
+# The oss-fuzz project provides LIB_FUZZING_ENGINE and OUT environment
+# variables. For local testing, provide values if not set.
+set(LIB_FUZZING_ENGINE $ENV{LIB_FUZZING_ENGINE})
+if(NOT LIB_FUZZING_ENGINE)
+  # When running from oss-fuzz, LIB_FUZZING_ENGINE points to a
+  # static library that contains main.
+  add_library(standalone_fuzzer STATIC standalone_fuzz_target_runner.cc)
+  target_include_directories(
+    standalone_fuzzer PRIVATE ${qpdf_SOURCE_DIR}/include)
+  set(LIB_FUZZING_ENGINE standalone_fuzzer)
+endif()
+set(FUZZ_OUT $ENV{OUT})
+if(NOT FUZZ_OUT)
+  set(FUZZ_OUT ${CMAKE_CURRENT_BINARY_DIR}/fuzz-install)
+endif()
+
+if(OSS_FUZZ)
+  # We need to link jpeg and zlib statically for oss-fuzz. Construct
+  # our own object library without the external dependencies and add
+  # what we need.
+  add_library(libqpdf_fuzz STATIC $<TARGET_OBJECTS:libqpdf_object>)
+  target_link_libraries(libqpdf_fuzz INTERFACE libjpeg.a libz.a)
+  target_include_directories(libqpdf_fuzz
+    PUBLIC
+    ${JPEG_INCLUDE}
+    ${qpdf_SOURCE_DIR}/include
+    ${qpdf_SOURCE_DIR}/libqpdf)
+else()
+  add_library(libqpdf_fuzz ALIAS libqpdf_object)
+endif()
+
+foreach(PROG ${FUZZERS})
+  add_executable(${PROG} ${PROG}.cc)
+  target_link_libraries(${PROG} ${LIB_FUZZING_ENGINE})
+  target_link_libraries(${PROG} libqpdf_fuzz)
+endforeach()
+
+# Files from the test suite that are good for seeding the fuzzer.
+# Update count for qpdf in @fuzzers qtest/fuzz.test if you change this list.
+set(CORPUS_FROM_TEST
+  stream-data.pdf
+  lin5.pdf
+  field-types.pdf
+  image-streams-small.pdf
+  need-appearances.pdf
+  outlines-with-actions.pdf
+  outlines-with-old-root-dests.pdf
+  page-labels-and-outlines.pdf
+  page-labels-num-tree.pdf
+  dr-with-indirect-item.pdf
+  fuzz-16214.pdf
+  issue-99b.pdf
+  issue-99.pdf
+  issue-100.pdf
+  issue-101.pdf
+  issue-106.pdf
+  issue-117.pdf
+  issue-119.pdf
+  issue-120.pdf
+  issue-141a.pdf
+  issue-141b.pdf
+  issue-143.pdf
+  issue-146.pdf
+  issue-147.pdf
+  issue-148.pdf
+  issue-149.pdf
+  issue-150.pdf
+  issue-202.pdf
+  issue-263.pdf
+  issue-335a.pdf
+  issue-335b.pdf)
+
+# Any file that qpdf_fuzzer should be tested with can be named
+# something.fuzz and dropped into qpdf_extra. Update count for qpdf in
+# @fuzzers qtest/fuzz.test if you change this list.
+set(CORPUS_OTHER
+  15316.fuzz
+  15387.fuzz
+  15390.fuzz
+  15442.fuzz
+  15445.fuzz
+  15983.fuzz
+  16172.fuzz
+  16301.fuzz
+  16953.fuzz
+  18241.fuzz
+  18247.fuzz
+  23172.fuzz
+  23599.fuzz
+  23642.fuzz
+  23642-mod.fuzz
+  26761.fuzz
+  26994.fuzz
+  27393.fuzz
+  28262.fuzz
+  30507.fuzz
+  37740.fuzz)
+
+set(CORPUS_DIR ${CMAKE_CURRENT_BINARY_DIR}/qpdf_corpus)
+file(MAKE_DIRECTORY ${CORPUS_DIR})
+function(copy_fuzz FROM)
+  file(SHA1 ${FROM} SHA)
+  set(OUT ${CORPUS_DIR}/${SHA})
+  add_custom_command(
+    OUTPUT ${OUT}
+    COMMAND ${COPY_COMMAND} $<SHELL_PATH:${FROM}> $<SHELL_PATH:${OUT}>)
+  set(CORPUS_FILE ${OUT} PARENT_SCOPE)
+endfunction()
+
+list(APPEND CORPUS_FILES)
+foreach(F ${CORPUS_FROM_TEST})
+  copy_fuzz(${qpdf_SOURCE_DIR}/qpdf/qtest/qpdf/${F})
+  list(APPEND CORPUS_FILES ${CORPUS_FILE})
+endforeach()
+foreach(F ${CORPUS_OTHER})
+  copy_fuzz(${CMAKE_CURRENT_SOURCE_DIR}/qpdf_extra/${F})
+  list(APPEND CORPUS_FILES ${CORPUS_FILE})
+endforeach()
+add_custom_target(qpdf_corpus ALL
+  DEPENDS ${CORPUS_FILES})
+
+add_test(
+  NAME fuzz
+  COMMAND ${RUN_QTEST}
+  --env QPDF_FUZZ_CORPUS=${CORPUS_DIR}
+  --top ${qpdf_SOURCE_DIR}
+  --bin $<TARGET_FILE_DIR:qpdf_fuzzer>
+  --bin $<TARGET_FILE_DIR:qpdf>
+  --code ${qpdf_SOURCE_DIR}/fuzz
+  --color ${QTEST_COLOR}
+  --show-on-failure ${SHOW_FAILED_TEST_OUTPUT})
+
+if(OSS_FUZZ)
+  list(APPEND SEED_CORPUS_ZIPS)
+  foreach(F ${FUZZERS})
+    if(F STREQUAL qpdf_fuzzer)
+      set(SEED_DIR ${CORPUS_DIR})
+    else()
+      set(SEED_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${F}_seed_corpus)
+    endif()
+    set(SEED_ZIP ${CMAKE_CURRENT_BINARY_DIR}/${F}_seed_corpus.zip)
+    add_custom_command(OUTPUT ${SEED_ZIP}
+      COMMAND zip -q -r ${SEED_ZIP} .
+      WORKING_DIRECTORY ${SEED_DIR})
+    list(APPEND SEED_CORPUS_ZIPS ${SEED_ZIP})
+  endforeach()
+  add_custom_target(seed_corpus_zips ALL DEPENDS ${SEED_CORPUS_ZIPS})
+  add_dependencies(seed_corpus_zips qpdf_corpus)
+  add_custom_target(fuzzers)
+  add_dependencies(fuzzers ${FUZZERS} seed_corpus_zips)
+  install(
+    TARGETS ${FUZZERS}
+    DESTINATION ${FUZZ_OUT}
+    EXCLUDE_FROM_ALL
+    COMPONENT fuzz)
+  install(
+    FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/pdf.dict
+    ${CMAKE_CURRENT_SOURCE_DIR}/qpdf_fuzzer.options
+    ${SEED_CORPUS_ZIPS}
+    DESTINATION ${FUZZ_OUT}
+    EXCLUDE_FROM_ALL
+    COMPONENT fuzz)
+endif()

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/README.md Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/ascii85_fuzzer.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/ascii85_fuzzer_seed_corpus Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/ascii85_fuzzer_seed_corpus/a0113b6bc9b18c0d120bdf79f10a4928dc6fc908 Added

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_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/dct_fuzzer.cc Added

@@ -0,0 +1,56 @@
+#include <qpdf/Pl_DCT.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <cstdlib>
+#include <iostream>
+#include <stdexcept>
+
+class FuzzHelper
+{
+  public:
+    FuzzHelper(unsigned char const* data, size_t size);
+    void run();
+
+  private:
+    void doChecks();
+
+    unsigned char const* data;
+    size_t size;
+};
+
+FuzzHelper::FuzzHelper(unsigned char const* data, size_t size) :
+    data(data),
+    size(size)
+{
+}
+
+void
+FuzzHelper::doChecks()
+{
+    Pl_Discard discard;
+    Pl_DCT p("decode", &discard);
+    p.write(const_cast<unsigned char*>(data), size);
+    p.finish();
+}
+
+void
+FuzzHelper::run()
+{
+    try {
+        doChecks();
+    } catch (std::runtime_error const& e) {
+        std::cerr << "runtime_error: " << e.what() << std::endl;
+    }
+}
+
+extern "C" int
+LLVMFuzzerTestOneInput(unsigned char const* data, size_t size)
+{
+#ifndef _WIN32
+    // Used by jpeg library to work around false positives in memory
+    // sanitizer.
+    setenv("JSIMD_FORCENONE", "1", 1);
+#endif
+    FuzzHelper f(data, size);
+    f.run();
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/dct_fuzzer_seed_corpus Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/dct_fuzzer_seed_corpus/4255e4e69733376eb7681d1aad44d39252ae4a75 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/flate_fuzzer.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/flate_fuzzer_seed_corpus Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/flate_fuzzer_seed_corpus/de72db41219fa2fc5113b4634a7c2bb437d48938 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/hex_fuzzer.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/hex_fuzzer_seed_corpus Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/hex_fuzzer_seed_corpus/1c43fc2a41e55a9e1cecce2013254b632f5afac4 Added

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+d7426005584c089e5740cc705>trailing farbage

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/lzw_fuzzer.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/lzw_fuzzer_seed_corpus Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/lzw_fuzzer_seed_corpus/a19f987b885f5a96069f4bc7f12b9e84ceba7dfa Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/lzw_fuzzer_seed_corpus/d95e70dee47eb085060d6e01534f7c3c17e3ae56 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/oss-fuzz-build Added

@@ -0,0 +1,29 @@
+#!/bin/bash -ex
+
+# This is used invoked from
+# https://github.com/google/oss-fuzz/blob/master/projects/qpdf/build.sh
+
+# It should be run from the top level directory of a clean checkout of
+# qpdf. It is also exercised in ../build-scripts/build-fuzzer
+
+if  $GITHUB_FORK != "" ; then
+    git remote add fork https://github.com/$GITHUB_FORK/qpdf
+    git fetch fork --depth=1
+    CUR_BRANCH=$(git rev-parse --abbrev-ref @)
+    if  $GITHUB_BRANCH == "" ; then
+        GITHUB_BRANCH=$CUR_BRANCH
+    fi
+    if  $GITHUB_BRANCH == $CUR_BRANCH ; then
+        git reset --hard fork/$CUR_BRANCH
+    else
+        git branch -f $GITHUB_BRANCH fork/$GITHUB_BRANCH
+        git checkout $GITHUB_BRANCH
+    fi
+fi
+
+env CMAKE_PREFIX_PATH=$WORK LDFLAGS="-L$WORK/lib -lpthread" \
+    cmake -S . -B build \
+    -DOSS_FUZZ=1 -DBUILD_SHARED_LIBS=0 -DCMAKE_BUILD_TYPE=Debug \
+    -DUSE_IMPLICIT_CRYPTO=0 -DREQUIRE_CRYPTO_NATIVE=1
+cmake --build build -j$(nproc) --target fuzzers
+cmake --install build --component fuzz

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/pdf.dict Added

@@ -0,0 +1,1466 @@
+#
+# AFL dictionary for PDF
+# ----------------------
+#
+# This is a pretty big PDF dictionary constructed by Ben by manually reviewing
+# the spec and combining that with the data pulled out of a corpus of sample
+# PDFs.
+#
+# Contributed by Ben Nagy <ben@iagu.net>
+#
+
+"#"
+"%"
+"%%"
+"%%EOF"
+"%FDF-1.7"
+"%PDF-1.7"
+"("
+"(/xdp:xdp)"
+"(\\001)"
+"(config)"
+"(datasets)"
+"(template)"
+"(xdp:xdp)"
+")"
+"-1"
+"-1.0"
+".."
+"/"
+"/#23clipboard"
+"/.notdef"
+"/1"
+"/1.0"
+"/1.3"
+"/3D"
+"/3DA"
+"/3DAnimationStyle"
+"/3DB"
+"/3DD"
+"/3DI"
+"/3DLightingScheme"
+"/3DRenderMode"
+"/3DV"
+"/3DView"
+"/90pv-RKSJ-H"
+"/A"
+"/A0"
+"/A85"
+"/AA"
+"/AAIC"
+"/AAPL"
+"/ABCDEF+ACaslonPro-Regular"
+"/ABCDEF+AJensonPro-LtIt"
+"/ABCDEF+AdobeCorpID-MinionRg"
+"/ABCDEF+Arial,Bold"
+"/ABCDEF+BankGothicMdBT"
+"/ABCDEF+Bauhaus-Heavy"
+"/ABCDEF+BluesClues"
+"/ABCDEF+BodegaSans"
+"/ABCDEF+BodoniMTCondensed"
+"/ABCDEF+BookAntiqua"
+"/ABCDEF+CMBX10"
+"/ABCDEF+CaflischScriptPro-Regular"
+"/ABCDEF+CityBlueprint"
+"/ABCDEF+CourierNewPSMT"
+"/ABCDEF+FixedsysExcelsior2.00"
+"/ABCDEF+MSTT31854bd45bo188067S00"
+"/ABCDEF+MinionPro-BoldCnIt"
+"/ABCDEF+MyriadMM-It_400_300_"
+"/ABCDEF+Wingdings"
+"/ABCDEF+ZapfDingbats"
+"/AC"
+"/ADBE"
+"/ADB_DEVICE_DEFAULT_STYLE"
+"/ADB_DefaultStyle"
+"/ADB_NO_TRAP_STYLE"
+"/AE"
+"/AESV2"
+"/AGaramond"
+"/AH"
+"/AI8DstIndex"
+"/AI8SrcIndex"
+"/AIMetaData"
+"/AIPDFPrivateData1"
+"/AIS"
+"/AL"
+"/AN"
+"/AP"
+"/AS"
+"/ASCII85Decode"
+"/ASCIIHexDecode"
+"/ASomewhatLongerName"
+"/AU"
+"/Aacute"
+"/Acc.#20Prod.#202501#20#2F2#20#20"
+"/Accounts#20payable"
+"/AccurateScreens"
+"/Acircumflex"
+"/AcroForm"
+"/Action"
+"/Actual"
+"/Add"
+"/Adieresis"
+"/Adobe"
+"/Adobe#20PDF#20Library"
+"/Adobe.PPKLite"
+"/AdobeCorpID-Acrobat"
+"/AdobeCorpID-MinionRg"
+"/AdobePhotoshop"
+"/Agrave"
+"/All"
+"/AllKO"
+"/AllOn"
+"/Alt"
+"/Alternate"
+"/AlternatePresentations"
+"/Alternates"
+"/Amex"
+"/And"
+"/Angle"
+"/Annot"
+"/Annots"
+"/AntiAlias"
+"/AnyOn"
+"/Apag_PDFX_Checkup"
+"/App"
+"/Architecture-Normal"
+"/Arial"
+"/Aring"
+"/Art"
+"/ArtBox"
+"/Article"
+"/Artifact"
+"/Artwork"
+"/Ascent"
+"/Aspect"
+"/Assistant"
+"/Atilde"
+"/AuthEvent"
+"/Author"
+"/Avenir-Heavy"
+"/Avenir-MediumOblique"
+"/AvgWidth"
+"/BBox"
+"/BC"
+"/BCL"
+"/BDC"
+"/BDL"
+"/BE"
+"/BFSOL"
+"/BG"
+"/BG2"
+"/BM"
+"/BMC"
+"/BS"
+"/BW"
+"/Bank"
+"/BaseEncoding"
+"/BaseFont"
+"/BaseState"
+"/BaseVersion"
+"/Birch"
+"/BitsPerComponent"
+"/BitsPerCoordinate"
+"/BitsPerFlag"
+"/BitsPerSample"
+"/Bl"
+"/BlCDel"
+"/BlMiNu"
+"/Black"
+"/BlackIs1"
+"/BlackOP"
+"/BlackPoint"
+"/BleedBox"
+"/Blend"
+"/Block"
+"/Blue"
+"/BluesClues"
+"/Bookshelf"
+"/Border"
+"/Bounds"
+"/BoxColorInfo"
+"/Btn"
+"/BulmerMT-BoldDisplay"
+"/ByteRange"
+"/C"
+"/C0"
+"/C0_0"
+"/C1"
+"/C2W"
+"/C3"
+"/CALS_AIS"
+"/CALS_BM"
+"/CALS_HT"
+"/CALS_SMASK"
+"/CALS_ca"
+"/CAM"
+"/CB"
+"/CC"
+"/CCH"
+"/CCITTFaxDecode"
+"/CD"
+"/CDL"
+"/CEN"
+"/CF"
+"/CFM"
+"/CI"
+"/CIDFontType0"
+"/CIDFontType0C"
+"/CIDFontType2"
+"/CIDInit"
+"/CIDSet"
+"/CIDSystemInfo"
+"/CIDToGIDMap"
+"/CMV_LabBar"
+"/CMV_LabControl"
+"/CMYK"
+"/CMYK#20#2880,#208,#2034,#200#29"
+"/CMap"
+"/CMapName"
+"/CMapType"
+"/CMapVersion"
+"/CO"
+"/CP"
+"/CS"
+"/CS0"
+"/CT"
+"/CV"
+"/CalGray"
+"/CalRGB"
+"/CapHeight"
+"/Caption"
+"/Caslon540BT-Roman"
+"/CaslonBT-Bold"
+"/CaslonBT-BoldItalic"
+"/Catalog"
+"/Category"
+"/Ccedilla"
+"/CenturySchoolbookBT-Roman"
+"/Ch"
+"/Chair"
+"/Chap"
+"/Chaparral-Display"
+"/CharProcs"
+"/CharSet"
+"/CheckSum"
+"/Circle"
+"/ClarendonBT-Black"
+"/ClassMap"
+"/Clearface-Black"
+"/Clip"
+"/ClippedText"
+"/Cn"
+"/Collection"
+"/CollectionItem"
+"/CollectionSchema"
+"/CollectionSubitem"
+"/Color"
+"/ColorBurn"
+"/ColorDodge"
+"/ColorMatch"
+"/ColorSpace"
+"/ColorTransform"
+"/ColorType"
+"/Colorants"
+"/Colors"
+"/Columns"
+"/ComicSansMS,Bold"
+"/Comment"
+"/Comments"
+"/Company"
+"/Compatibility"
+"/Compatible"
+"/Components"
+"/CompressArt"
+"/Condensed"
+"/Configs"
+"/Consultant"
+"/ContainerVersion"
+"/Contents"
+"/Coords"
+"/Copy"
+"/Copy#20center"
+"/Cor"
+"/Corner#20surface"
+"/CosineDot"
+"/Count"
+"/Cour"
+"/Courier"
+"/Create"
+"/CreationDate"
+"/Creator"
+"/CreatorInfo"
+"/CreatorVersion"
+"/CropBox"
+"/CropFixed"
+"/CropRect"
+"/Crypt"
+"/CryptFilter"
+"/CryptFilterDecodeParms"
+"/Cs12"
+"/Cs3"
+"/Cyan"
+"/D"
+"/DA"
+"/DCTDecode"
+"/DIC#202525p*"
+"/DIS"
+"/DL"
+"/DOS"
+"/DP"
+"/DR"
+"/DS"
+"/DSz"
+"/DV"
+"/DW"
+"/DamagedRowsBeforeError"
+"/Darken"
+"/Data"
+"/Date"
+"/Decode"
+"/DecodeParms"
+"/DefEmbeddedFile"
+"/Default"
+"/DefaultCryptFilter"
+"/DefaultForPrinting"
+"/DefaultRGB"
+"/Delete"
+"/Delta"
+"/DescendantFonts"
+"/Descent"
+"/Description"
+"/Design"
+"/Dest"
+"/DestOutputProfile"
+"/DestOutputProfileRef"
+"/Dests"
+"/DeviceCMYK"
+"/DeviceGray"
+"/DeviceN"
+"/DeviceRGB"
+"/Difference"
+"/Differences"
+"/DigestLocation"
+"/DigestMethod"
+"/DigestValue"
+"/Dimmed"
+"/Direction"
+"/DisplayDocTitle"
+"/Dissolve"
+"/Div"
+"/Dm"
+"/DocMDP"
+"/DocOpen"
+"/Document"
+"/Documents"
+"/Domain"
+"/Door"
+"/DotGain"
+"/Draw"
+"/Dt"
+"/Dur"
+"/Dynamic#20connector"
+"/E"
+"/EF"
+"/EFF"
+"/EMC"
+"/Eacute"
+"/EarlyChange"
+"/Ecircumflex"
+"/Edieresis"
+"/Editable"
+"/Egrave"
+"/EmbedFonts"
+"/EmbedICCProfile"
+"/Embedded"
+"/EmbeddedFile"
+"/EmbeddedFiles"
+"/Encode"
+"/EncodedByteAlign"
+"/Encoding"
+"/Encrypt"
+"/EncryptMetadata"
+"/EndIndent"
+"/EndOfBlock"
+"/EndOfLine"
+"/Euro"
+"/Euro.037"
+"/Event"
+"/ExData"
+"/Exchange-Pro"
+"/Exclude"
+"/Exclusion"
+"/Executive"
+"/Export"
+"/ExportCrispy"
+"/ExportState"
+"/ExtGState"
+"/Extend"
+"/Extends"
+"/ExtensionLevel"
+"/Extensions"
+"/F1"
+"/F1.0"
+"/F12"
+"/F13"
+"/F3"
+"/F5"
+"/F6"
+"/F7"
+"/F8"
+"/FB"
+"/FD"
+"/FDecodeParms"
+"/FFilter"
+"/FICL"
+"/FM"
+"/FOV"
+"/FRM"
+"/FS"
+"/FT"
+"/Facilities"
+"/Fade"
+"/False"
+"/Feature"
+"/FedEx#20Orange"
+"/FedEx#20Purple"
+"/Field"
+"/Fields"
+"/Figure"
+"/File"
+"/Files"
+"/Filespec"
+"/FillIn"
+"/Filter"
+"/First"
+"/FirstChar"
+"/FirstPage"
+"/Fit"
+"/FitB"
+"/FitBH"
+"/FitBV"
+"/FitH"
+"/FitR"
+"/FitV"
+"/FitWindow"
+"/FixedPrint"
+"/Flags"
+"/FlateDecode"
+"/Fm0"
+"/Fm4"
+"/Fo"
+"/Focoltone#201047"
+"/Font"
+"/FontBBox"
+"/FontDescriptor"
+"/FontFamily"
+"/FontFile"
+"/FontFile2"
+"/FontMatrix"
+"/FontName"
+"/FontStretch"
+"/FontWeight"
+"/Form"
+"/FormEx"
+"/FormType"
+"/FreeText"
+"/FreeTextCallout"
+"/Frequency"
+"/FullSave"
+"/FullScreen"
+"/Function"
+"/FunctionType"
+"/Functions"
+"/Futura-Bold"
+"/Futura-CondensedExtraBold"
+"/G"
+"/G02"
+"/GLGR"
+"/GS0"
+"/GS1"
+"/GS2"
+"/GTS"
+"/GTS_PDFA1"
+"/GTS_PDFX"
+"/GTS_PDFXConformance"
+"/GTS_PDFXVersion"
+"/GWG#20Green"
+"/Gamma"
+"/Garamond"
+"/Georgia,Bold"
+"/GoTo"
+"/GoTo3DView"
+"/GoToE"
+"/GoToR"
+"/Gold"
+"/Goudy"
+"/Gray"
+"/Green"
+"/GreymantleMVB"
+"/GrotesqueMT"
+"/Group"
+"/H"
+"/HDAG_Tools"
+"/HKana"
+"/HT"
+"/HT2"
+"/Halftone"
+"/HalftoneName"
+"/HalftoneType"
+"/HardLight"
+"/HeBo"
+"/Head1"
+"/Headlamp"
+"/Height"
+"/HeiseiMin"
+"/Helv"
+"/Helvetica"
+"/Helvetica-Bold"
+"/Helvetica-BoldOblique"
+"/Helvetica-Condensed"
+"/HelveticaNeue-Black"
+"/Hide"
+"/HonMincho-M"
+"/Horizontal"
+"/Hue"
+"/I"
+"/I0"
+"/IC"
+"/ICCBased"
+"/ICCVersion"
+"/ID"
+"/IDS"
+"/IDTree"
+"/IEC"
+"/IF"
+"/IN"
+"/ISO32000Registry"
+"/ISO_PDFE1"
+"/ISO_PDFEVersion"
+"/IT"
+"/ITO"
+"/ITP"
+"/IV"
+"/IX"
+"/Icircumflex"
+"/Icon"
+"/Identity"
+"/Identity-H"
+"/IgnEP"
+"/Illustrator"
+"/Illustrator8.0"
+"/Im0"
+"/Im1"
+"/Im2"
+"/Im3"
+"/Im4"
+"/Image"
+"/Image1"
+"/ImageB"
+"/ImageC"
+"/ImageI"
+"/ImageMask"
+"/ImageResources"
+"/ImageType"
+"/Import"
+"/ImportData"
+"/ImpressBT-Regular"
+"/Index"
+"/Indexed"
+"/Info"
+"/Information#20services"
+"/Ink"
+"/InkList"
+"/InsertPages"
+"/Insignia"
+"/IntegerItem"
+"/Intent"
+"/Interpolate"
+"/ItalicAngle"
+"/ItcKabel-Ultra"
+"/Item1"
+"/Item2"
+"/JBIG2Decode"
+"/JBIG2Globals"
+"/JPXDecode"
+"/JS"
+"/JT"
+"/JTC"
+"/JTF"
+"/JTFile"
+"/JTM"
+"/JavaScript"
+"/JobTicketContents"
+"/Justify"
+"/Keywords"
+"/Kids"
+"/L"
+"/L1"
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+endstream
endobj
startxref
+44161
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_extra/23642.fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_extra/26761.fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_extra/26994.fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_extra/27393.fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_extra/28262.fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_extra/30507.fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_extra/37740.fuzz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_fuzzer.cc Added

@@ -0,0 +1,211 @@
+#include <qpdf/Buffer.hh>
+#include <qpdf/BufferInputSource.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFAcroFormDocumentHelper.hh>
+#include <qpdf/QPDFOutlineDocumentHelper.hh>
+#include <qpdf/QPDFPageDocumentHelper.hh>
+#include <qpdf/QPDFPageLabelDocumentHelper.hh>
+#include <qpdf/QPDFPageObjectHelper.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QUtil.hh>
+#include <cstdlib>
+
+class DiscardContents: public QPDFObjectHandle::ParserCallbacks
+{
+  public:
+    virtual ~DiscardContents() = default;
+    virtual void
+    handleObject(QPDFObjectHandle)
+    {
+    }
+    virtual void
+    handleEOF()
+    {
+    }
+};
+
+class FuzzHelper
+{
+  public:
+    FuzzHelper(unsigned char const* data, size_t size);
+    void run();
+
+  private:
+    std::shared_ptr<QPDF> getQpdf();
+    std::shared_ptr<QPDFWriter> getWriter(std::shared_ptr<QPDF>);
+    void doWrite(std::shared_ptr<QPDFWriter> w);
+    void testWrite();
+    void testPages();
+    void testOutlines();
+    void doChecks();
+
+    Buffer input_buffer;
+    Pl_Discard discard;
+};
+
+FuzzHelper::FuzzHelper(unsigned char const* data, size_t size) :
+    // We do not modify data, so it is safe to remove the const for Buffer
+    input_buffer(const_cast<unsigned char*>(data), size)
+{
+}
+
+std::shared_ptr<QPDF>
+FuzzHelper::getQpdf()
+{
+    auto is = std::shared_ptr<InputSource>(
+        new BufferInputSource("fuzz input", &this->input_buffer));
+    auto qpdf = QPDF::create();
+    qpdf->processInputSource(is);
+    return qpdf;
+}
+
+std::shared_ptr<QPDFWriter>
+FuzzHelper::getWriter(std::shared_ptr<QPDF> qpdf)
+{
+    auto w = std::make_shared<QPDFWriter>(*qpdf);
+    w->setOutputPipeline(&this->discard);
+    w->setDecodeLevel(qpdf_dl_all);
+    return w;
+}
+
+void
+FuzzHelper::doWrite(std::shared_ptr<QPDFWriter> w)
+{
+    try {
+        w->write();
+    } catch (QPDFExc const& e) {
+        std::cerr << e.what() << std::endl;
+    } catch (std::runtime_error const& e) {
+        std::cerr << e.what() << std::endl;
+    }
+}
+
+void
+FuzzHelper::testWrite()
+{
+    // Write in various ways to exercise QPDFWriter
+
+    std::shared_ptr<QPDF> q;
+    std::shared_ptr<QPDFWriter> w;
+
+    q = getQpdf();
+    w = getWriter(q);
+    w->setDeterministicID(true);
+    w->setQDFMode(true);
+    doWrite(w);
+
+    q = getQpdf();
+    w = getWriter(q);
+    w->setStaticID(true);
+    w->setLinearization(true);
+    w->setR6EncryptionParameters(
+        "u", "o", true, true, true, true, true, true, qpdf_r3p_full, true);
+    doWrite(w);
+
+    q = getQpdf();
+    w = getWriter(q);
+    w->setStaticID(true);
+    w->setObjectStreamMode(qpdf_o_disable);
+    w->setR3EncryptionParametersInsecure(
+        "u", "o", true, true, true, true, true, true, qpdf_r3p_full);
+    doWrite(w);
+
+    q = getQpdf();
+    w = getWriter(q);
+    w->setDeterministicID(true);
+    w->setObjectStreamMode(qpdf_o_generate);
+    w->setLinearization(true);
+    doWrite(w);
+}
+
+void
+FuzzHelper::testPages()
+{
+    // Parse all content streams, and exercise some helpers that
+    // operate on pages.
+    std::shared_ptr<QPDF> q = getQpdf();
+    QPDFPageDocumentHelper pdh(*q);
+    QPDFPageLabelDocumentHelper pldh(*q);
+    QPDFOutlineDocumentHelper odh(*q);
+    QPDFAcroFormDocumentHelper afdh(*q);
+    afdh.generateAppearancesIfNeeded();
+    pdh.flattenAnnotations();
+    DiscardContents discard_contents;
+    int pageno = 0;
+    for (auto& page: pdh.getAllPages()) {
+        ++pageno;
+        try {
+            page.coalesceContentStreams();
+            page.parseContents(&discard_contents);
+            page.getImages();
+            pldh.getLabelForPage(pageno);
+            QPDFObjectHandle page_obj(page.getObjectHandle());
+            page_obj.getJSON(JSON::LATEST, true).unparse();
+            odh.getOutlinesForPage(page_obj.getObjGen());
+
+            for (auto& aoh: afdh.getWidgetAnnotationsForPage(page)) {
+                afdh.getFieldForAnnotation(aoh);
+            }
+        } catch (QPDFExc& e) {
+            std::cerr << "page " << pageno << ": " << e.what() << std::endl;
+        }
+    }
+}
+
+void
+FuzzHelper::testOutlines()
+{
+    std::shared_ptr<QPDF> q = getQpdf();
+    std::list<std::vector<QPDFOutlineObjectHelper>> queue;
+    QPDFOutlineDocumentHelper odh(*q);
+    queue.push_back(odh.getTopLevelOutlines());
+    while (!queue.empty()) {
+        for (auto& ol: *(queue.begin())) {
+            ol.getDestPage();
+            queue.push_back(ol.getKids());
+        }
+        queue.pop_front();
+    }
+}
+
+void
+FuzzHelper::doChecks()
+{
+    // Get as much coverage as possible in parts of the library that
+    // might benefit from fuzzing.
+    testWrite();
+    testPages();
+    testOutlines();
+}
+
+void
+FuzzHelper::run()
+{
+    // The goal here is that you should be able to throw anything at
+    // libqpdf and it will respond without any memory errors and never
+    // do anything worse than throwing a QPDFExc or
+    // std::runtime_error. Throwing any other kind of exception,
+    // segfaulting, or having a memory error (when built with
+    // appropriate sanitizers) will all cause abnormal exit.
+    try {
+        doChecks();
+    } catch (QPDFExc const& e) {
+        std::cerr << "QPDFExc: " << e.what() << std::endl;
+    } catch (std::runtime_error const& e) {
+        std::cerr << "runtime_error: " << e.what() << std::endl;
+    }
+}
+
+extern "C" int
+LLVMFuzzerTestOneInput(unsigned char const* data, size_t size)
+{
+#ifndef _WIN32
+    // Used by jpeg library to work around false positives in memory
+    // sanitizer.
+    setenv("JSIMD_FORCENONE", "1", 1);
+#endif
+    FuzzHelper f(data, size);
+    f.run();
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qpdf_fuzzer.options Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qtest Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/qtest/fuzz.test Added

@@ -0,0 +1,72 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use Digest::SHA;
+use File::Basename;
+
+require TestDriver;
+
+my $td = new TestDriver('fuzz');
+
+my $qpdf_corpus = $ENV{'QPDF_FUZZ_CORPUS'} || die "must set QPDF_FUZZ_CORPUS";
+
+my @fuzzers = (
+    'ascii85' => 1,
+    'dct' => 1,
+    'flate' => 1,
+    'hex' => 1,
+    'lzw' => 2,
+    'pngpredictor' => 1,
+    'runlength' => 6,
+    'tiffpredictor' => 1,
+    'qpdf' => 52,             # increment when adding new files
+    );
+
+my $n_tests = 0;
+# One test for each directory for file count, two tests for each file
+# in each directory
+foreach my $d (@fuzzers)
+{
+    $n_tests += 1 + (2 * $d->1);
+}
+
+foreach my $d (@fuzzers)
+{
+    my $k = $d->0;
+    my $dir = "../${k}_fuzzer_seed_corpus";
+    if (! -d $dir)
+    {
+        $dir = $qpdf_corpus;
+    }
+    my @files = glob("$dir/*");
+    $td->runtest("file count for $dir",
+                 {$td->STRING => scalar(@files) . "\n"},
+                 {$td->STRING => $d->1 . "\n"},
+                 $td->NORMALIZE_NEWLINES);
+
+    foreach my $f (@files)
+    {
+        my $sum = basename($f);
+        $td->runtest("$k checksum   $sum",
+                     {$td->STRING => get_sha1_checksum($f)},
+                     {$td->STRING => $sum});
+        $td->runtest("$k fuzz check $sum",
+                     {$td->COMMAND => "${k}_fuzzer $f"},
+                     {$td->REGEXP => ".*$f successful\n",
+                          $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+    }
+}
+
+$td->report($n_tests);
+
+sub get_sha1_checksum
+{
+    my $file = shift;
+    open(F, "<$file") or fatal("can't open $file: $!");
+    binmode F;
+    my $digest = Digest::SHA->new('sha1')->addfile(*F)->hexdigest;
+    close(F);
+    $digest;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer_seed_corpus Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer_seed_corpus/075cf1366a47754ffc0f59797ecd60eb221c8a0d Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer_seed_corpus/0928451e068252ef8f3d1878a5c1f81b86dc9eb8 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer_seed_corpus/4354588bbf0979da3b05eb7cadd13b74141ad49c Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer_seed_corpus/4ffb8ea47113554fbac0d5ba533838e3dd7aa23a Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer_seed_corpus/b307a53d7d354fe2dbd4b13dca43ddacfaea91e1 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/runlength_fuzzer_seed_corpus/c78ebd3c85a39a596d9f5cfd2b8d240bc1b9c125 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/standalone_fuzz_target_runner.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/tiffpredictor_fuzzer.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/tiffpredictor_fuzzer_seed_corpus Added

_service:tar_scm:qpdf-11.1.0.tar.gz/fuzz/tiffpredictor_fuzzer_seed_corpus/9c848d2c383eb26a026d0b4428421c5e43c2d7b9 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/generate_auto_job Added

@@ -0,0 +1,895 @@
+#!/usr/bin/env python3
+import os
+import sys
+import argparse
+import hashlib
+import re
+import yaml
+import json
+import filecmp
+from contextlib import contextmanager
+
+# The purpose of this code is to automatically generate various parts
+# of the QPDFJob class. It is fairly complicated and extremely
+# bespoke, so understanding it is important if modifications are to be
+# made.
+
+# Documentation of QPDFJob is divided among three places:
+#
+# * "HOW TO ADD A COMMAND-LINE ARGUMENT" in README-maintainer provides
+#   a quick reminder for how to add a command-line argument
+#
+# * This file has a detailed explanation about how QPDFJob and
+#   generate_auto_job work together
+#
+# * The manual ("QPDFJob Design" in qpdf-job.rst) discusses the design
+#   approach, rationale, and evolution of QPDFJob.
+#
+# QPDFJob solved the problem of moving extensive functionality that
+# lived in qpdf.cc into the library. The QPDFJob class consists of
+# four major sections:
+#
+# * The run() method and its subsidiaries are responsible for
+#   performing the actual operations on PDF files. This is implemented
+#   in QPDFJob.cc
+#
+# * The nested Config class and the other classes it creates provide
+#   an API for setting up a QPDFJob instance and correspond to the
+#   command-line arguments of the qpdf executable. This is implemented
+#   in QPDFJob_config.cc
+#
+# * The argument parsing code reads an argv array and calls
+#   configuration methods. This is implemented in QPDFJob_argv.cc. The
+#   argument parsing logic itself is implemented in the QPDFArgParser
+#   class.
+#
+# * The job JSON handling code, which reads a QPDFJob JSON file and
+#   calls configuration methods. This is implemented in
+#   QPDFJob_json.cc. The JSON parsing code is in the JSON class. A
+#   sax-like JSON handler class that calls callbacks in response to
+#   items in the JSON is implemented in the JSONHandler class.
+#
+# This code has the job of ensuring that configuration, command-line
+# arguments, and JSON are all consistent and complete so that a
+# developer or user can freely move among those different ways of
+# interacting with QPDFJob in a predictable fashion. In addition, help
+# information for each option appears in manual/cli.rst, and that
+# information is used in the creation of the job JSON schema and to supply
+# help text to QPDFArgParser. This code also ensures that there is an
+# exact match between options in job.yml and options in cli.rst.
+#
+# The job.yml file contains the data that drives this code. To
+# understand job.yml, here are some important concepts.
+#
+# QPDFArgParser option table. There is support for positional
+# arguments, options consisting of flags and optional parameters, and
+# subparsers that start with a regular parameterless flag, have their
+# own positional and option sections, and are terminated with -- by
+# itself. Examples of this include --encrypt and --pages. An "option
+# table" contains an optional positional argument handler and a list
+# of valid options with specifications about their parameters. There
+# are three kinds of option tables:
+#
+# * The built-in "help" option table contains help commands, like
+#   --help and --version, that are only valid when they appear as the
+#   single command-line argument.
+#
+# * The "main" option table contains the options that are valid
+#   starting at the beginning of argument parsing.
+#
+# * A named option table can be started manually by the argument
+#   parsing code to switch the argument parser's context. Switching
+#   the parser to a new option table is manual (via a call to
+#   selectOptionTable). Context reverts to the main option table
+#   automatically when -- is encountered.
+#
+# In QPDFJob.hh, there is a Config class for each option table except
+# help.
+#
+# Option type: bare, required/optional parameter, required/optional
+# choices. A bare argument is just a flag, like --qdf. A parameter
+# option takes an arbitrary parameter, like --password. A choices
+# option takes one of a fixed list of choices, like --object-streams.
+# If a parameter or choices option's parameter is option, the empty
+# string may be specified as an option, such as --collate (or
+# --collate=). For a bare option, --option= is always the same as just
+# --option. This makes it possible to switch an option from bare to
+# optional choice to optional parameter all without breaking
+# compatibility.
+#
+# JSON "schema". This is a qpdf-specific "schema" for JSON. It is not
+# related to any kind of standard JSON schema. It is described in
+# JSON.hh and in the manual. QPDFJob uses the JSON "schema" in a mode
+# in which keys in the schema are all optional in the JSON object.
+#
+# Here is the mapping between configuration, argv, and JSON.
+#
+# The help options table is implemented solely for argv processing and
+# has no counterpart in configuration or JSON.
+#
+# The config() method returns a shared pointer to a Config object.
+# Every command-line option in the main option table has a
+# corresponding method in Config whose name is the option converted to
+# camel case. For bare options and options with optional parameters, a
+# version exists that takes no arguments. For other than bare options,
+# a version exist, possibly in addition, that takes a std::string
+# const&. For example, the --qdf flag implies a qdf() method in
+# Config, and the --object-streams flag implies an
+# objectStreams(std::string const&) method in Config. For flags in
+# option tables, the method is declared inside a config class specific
+# to the option table. The mapping between option tables and config
+# classes is explicit in job.yml. Positional arguments are handled
+# individually and manually -- see QPDFJob.hh in the CONFIGURATION
+# section for details. See examples/qpdf-job.cc for an example.
+#
+# To understand the rest, start at main and follow comments in the
+# code.
+
+whoami = os.path.basename(sys.argv0)
+BANNER = f'''//
+// This file is automatically generated by {whoami}.
+// Edits will be automatically overwritten if the build is
+// run in maintainer mode.
+//
+// clang-format off
+//'''
+
+
+def warn(*args, **kwargs):
+    print(*args, file=sys.stderr, **kwargs)
+
+
+@contextmanager
+def write_file(filename):
+    tmpfile = filename + '.tmp'
+    with open(tmpfile, 'w') as f:
+        yield f
+    if os.path.exists(filename) and filecmp.cmp(filename, tmpfile, False):
+        os.unlink(tmpfile)
+    else:
+        os.rename(tmpfile, filename)
+
+
+class Main:
+    # SOURCES is a list of source files whose contents are used by
+    # this program. If they change, we are out of date.
+    SOURCES = 
+        # Keep this list in sync with CMakeLists.txt: auto_job_inputs
+        whoami,
+        'manual/_ext/qpdf.py',
+        'job.yml',
+        'manual/cli.rst',
+    
+    # DESTS is a map to the output files this code generates. These
+    # generated files, as well as those added to DESTS later in the
+    # code, are included in various places by QPDFJob.hh or any of the
+    # implementing QPDFJob*.cc files.
+    DESTS = {
+        # Keep this list in sync with CMakeLists.txt: auto_job_outputs
+        'decl': 'libqpdf/qpdf/auto_job_decl.hh',
+        'init': 'libqpdf/qpdf/auto_job_init.hh',
+        'help': 'libqpdf/qpdf/auto_job_help.hh',
+        'schema': 'libqpdf/qpdf/auto_job_schema.hh',
+        'json_decl': 'libqpdf/qpdf/auto_job_json_decl.hh',
+        'json_init': 'libqpdf/qpdf/auto_job_json_init.hh',
+        # Others are added in top
+    }
+    # SUMS contains a checksum for each source and destination and is
+    # used to detect whether we're up to date without having to force
+    # recompilation all the time. This way the build can invoke this
+    # script unconditionally without causing stuff to rebuild every
+    # time.
+    SUMS = 'job.sums'
+
+    def main(self, args=sys.argv1:, prog=whoami):
+        options = self.parse_args(args, prog)
+        self.top(options)
+
+    def parse_args(self, args, prog):
+        parser = argparse.ArgumentParser(
+            prog=prog,
+            description='Generate files for QPDFJob',
+        )
+        mxg = parser.add_mutually_exclusive_group(required=True)
+        mxg.add_argument('--check',
+                         help='update checksums if files are not up to date',
+                         action='store_true', default=False)
+        mxg.add_argument('--generate',
+                         help='generate files from sources',
+                         action='store_true', default=False)
+        return parser.parse_args(args)
+
+    def top(self, options):
+        with open('job.yml', 'r') as f:
+            data = yaml.safe_load(f.read())
+        # config_decls maps a config key from an option in "options"
+        # (from job.yml) to a list of declarations. A declaration is
+        # generated for each config method for that option table.
+        self.config_decls = {}
+        # Keep track of which configs we've declared since we can have
+        # option tables share a config class, as with the encryption
+        # tables.
+        self.declared_configs = set()
+
+        # Update DESTS -- see above. This ensures that each config
+        # class's contents are included in job.sums.
+        for o in data'options':
+            config = o.get('config', None)
+            if config is not None:
+                self.DESTSconfig = f'include/qpdf/auto_job_{config}.hh'
+                self.config_declsconfig = 
+
+        if self.check_hashes():
+            exit(0)
+        elif options.check:
+            exit(f'{whoami}: auto job inputs have changed')
+        elif options.generate:
+            self.generate(data)
+        else:
+            exit(f'{whoami} unknown mode')
+
+    def get_hashes(self):
+        hashes = {}
+        for i in sorted(*self.SOURCES, *self.DESTS.values()):
+            m = hashlib.sha256()
+            try:
+                with open(i, 'rb') as f:
+                    m.update(f.read())
+                hashesi = m.hexdigest()
+            except FileNotFoundError:
+                pass
+        return hashes
+
+    def check_hashes(self):
+        hashes = self.get_hashes()
+        match = False
+        try:
+            old_hashes = {}
+            with open(self.SUMS, 'r') as f:
+                for line in f.readlines():
+                    m = re.match(r'^(\S+) (\S+)\s*$', line)
+                    if m:
+                        old_hashesm.group(1) = m.group(2)
+            match = old_hashes == hashes
+            if not match:
+                # Write to stdout, not stderr. What we write to stderr
+                # is visible in a normal build. Writing to stdout will
+                # hide it in that case but expose it if you directly
+                # run ./generate_auto_job --check as in CI.
+                print(f'*** {whoami} hash mismatches ***')
+                match = False
+                for k, v in hashes.items():
+                    if k not in old_hashes:
+                        print(f'  {k} is not in job.sums')
+                    elif v != old_hashesk:
+                        print(f'  {k} was modified')
+                for k in old_hashes:
+                    if k not in hashes:
+                        print(f'  {k} disappeared')
+        except Exception:
+            pass
+        return match
+
+    def update_hashes(self):
+        hashes = self.get_hashes()
+        with open(self.SUMS, 'w') as f:
+            print(f'# Generated by {whoami}', file=f)
+            for k, v in hashes.items():
+                print(f'{k} {v}', file=f)
+
+    def generate_doc(self, df, f):
+        st_top = 0
+        st_topic = 1
+        st_option = 2
+        st_option_help = 3
+        state = st_top
+
+        indent = None
+        topic = None
+        option = None
+        short_text = None
+        long_text = None
+
+        # Generate a bunch of short static functions rather than a big
+        # member function for help. Some compilers have problems with
+        # very large member functions in classes in anonymous
+        # namespaces.
+
+        help_files = 0
+        help_lines = 0
+
+        self.all_topics = set(self.options_without_help)
+        self.referenced_topics = set()
+
+        def set_indent(x):
+            nonlocal indent
+            indent = ' ' * len(x)
+
+        def append_long_text(line, topic):
+            nonlocal indent, long_text
+            if line == '\n':
+                long_text += '\n'
+            elif line.startswith(indent):
+                long_text += linelen(indent):
+            else:
+                long_text = long_text.strip()
+                if long_text == '':
+                    raise Exception(f'missing long text for {topic}')
+                long_text += '\n'
+                if 'help' not in topic:
+                    # Help for --help itself has --help=... not
+                    # referring to specific options.
+                    for i in re.finditer(r'--help=(^\.\s+)', long_text):
+                        self.referenced_topics.add(i.group(1))
+                return True
+            return False
+
+        lineno = 0
+        for line in df.readlines():
+            if help_lines == 0:
+                if help_files > 0:
+                    print('}', file=f)
+                help_files += 1
+                help_lines += 1
+                print(f'static void add_help_{help_files}(QPDFArgParser& ap)\n'
+                      '{', file=f)
+            lineno += 1
+            if state == st_top:
+                m = re.match(r'^(\s*\.\. )help-topic (\S+): (.*)$', line)
+                if m:
+                    set_indent(m.group(1))
+                    topic = m.group(2)
+                    short_text = m.group(3)
+                    long_text = ''
+                    state = st_topic
+                    continue
+                m = re.match(
+                    r'^(\s*\.\. )qpdf:option:: ((^=\\s+)(\= (.+))?)$',
+                    line)
+                if m:
+                    if topic is None:
+                        raise Exception('option seen before topic')
+                    set_indent(m.group(1))
+                    option = m.group(3)
+                    synopsis = m.group(2)
+                    if synopsis.endswith('`'):
+                        raise Exception(
+                            f'stray ` at end of option line (line {lineno})')
+                    if synopsis != option:
+                        long_text = synopsis + '\n'
+                    else:
+                        long_text = ''
+                    state = st_option
+                    continue
+            elif state == st_topic:
+                if append_long_text(line, topic):
+                    self.all_topics.add(topic)
+                    print(f'ap.addHelpTopic("{topic}", "{short_text}",'
+                          f' R"({long_text})");', file=f)
+                    help_lines += 1
+                    state = st_top
+            elif state == st_option:
+                if line == '\n' or line.startswith(indent):
+                    m = re.match(r'^(\s*\.\. )help: (.*)$', line)
+                    if m:
+                        set_indent(m.group(1))
+                        short_text = m.group(2)
+                        state = st_option_help
+                else:
+                    raise Exception('option without help text')
+            elif state == st_option_help:
+                if append_long_text(line, option):
+                    if option in self.options_without_help:
+                        self.options_without_help.remove(option)
+                    else:
+                        raise Exception(
+                            f'help for unknown option {option},'
+                            f' lineno={lineno}')
+                    if option not in self.help_options:
+                        self.jdataoption2:'help' = short_text
+                    print(f'ap.addOptionHelp("{option}", "{topic}",'
+                          f' "{short_text}", R"({long_text})");', file=f)
+                    help_lines += 1
+                    state = st_top
+            if help_lines == 20:
+                help_lines = 0
+        print('}', file=f)
+        print('static void add_help(QPDFArgParser& ap)\n{', file=f)
+        for i in range(help_files):
+            print(f'    add_help_{i+1}(ap);', file=f)
+        print('ap.addHelpFooter("For detailed help, visit'
+              ' the qpdf manual: https://qpdf.readthedocs.io\\n");', file=f)
+        print('}\n', file=f)
+        for i in self.referenced_topics:
+            if i not in self.all_topics:
+                raise Exception(f'help text referenced --help={i}')
+        for i in self.options_without_help:
+            raise Exception(
+                'Options without help: ' +
+                ', '.join(self.options_without_help))
+
+    def generate(self, data):
+        warn(f'{whoami}: regenerating auto job files')
+        self.validate(data)
+
+        # Keep track of which options are help options since they are
+        # handled specially. Add the built-in help options to tables
+        # that we populate as we read job.yml since we won't encounter
+        # these in job.yml
+        self.help_options = set(
+            '--completion-bash', '--completion-zsh', '--help'
+        )
+        # Keep track of which options we have encountered but haven't
+        # seen help text for. This enables us to report if any option
+        # is missing help.
+        self.options_without_help = set(self.help_options)
+
+        # Compute the information needed for generated files and write
+        # the files.
+        self.prepare(data)
+        with write_file(self.DESTS'decl') as f:
+            print(BANNER, file=f)
+            for i in self.decls:
+                print(i, file=f)
+        with write_file(self.DESTS'init') as f:
+            print(BANNER, file=f)
+            for i in self.init:
+                print(i, file=f)
+        with write_file(self.DESTS'help') as f:
+            with open('manual/cli.rst', 'r') as df:
+                print(BANNER, file=f)
+                self.generate_doc(df, f)
+
+        # Compute the json files after the config and arg parsing
+        # files. We need to have full information about all the
+        # options before we can generate the schema. Generating the
+        # schema also generates the json header files.
+        self.generate_schema(data)
+        with write_file(self.DESTS'schema') as f:
+            print('static constexpr char const* JOB_SCHEMA_DATA = R"(' +
+                  json.dumps(self.schema, indent=2, separators=(',', ': ')) +
+                  ')";', file=f)
+        for k, v in self.config_decls.items():
+            with write_file(self.DESTSk) as f:
+                print(BANNER, file=f)
+                for i in v:
+                    print(i, file=f)
+        with write_file(self.DESTS'json_decl') as f:
+            print(BANNER, file=f)
+            for i in self.json_decls:
+                print(i, file=f)
+        with write_file(self.DESTS'json_init') as f:
+            print(BANNER, file=f)
+            for i in self.json_init:
+                print(i, file=f)
+
+        # Update hashes last to ensure that this will be rerun in the
+        # event of a failure.
+        self.update_hashes()
+        # DON'T ADD CODE TO generate AFTER update_hashes
+
+    def handle_trivial(self, i, identifier, cfg, prefix, kind, v):
+        # A "trivial" option is one whose handler does nothing other
+        # than to call the config method with the same name (switched
+        # to camelCase).
+        decl_arg = 1
+        decl_arg_optional = False
+        if kind == 'bare':
+            decl_arg = 0
+            self.init.append(f'this->ap.addBare("{i}", '
+                             f'this(){{{cfg}->{identifier}();}});')
+        elif kind == 'required_parameter':
+            self.init.append(
+                f'this->ap.addRequiredParameter("{i}", '
+                f'this(std::string const& x){{{cfg}->{identifier}(x);}}'
+                f', "{v}");')
+        elif kind == 'optional_parameter':
+            decl_arg_optional = True
+            self.init.append(
+                f'this->ap.addOptionalParameter("{i}", '
+                f'this(std::string const& x){{{cfg}->{identifier}(x);}});')
+        elif kind == 'required_choices':
+            self.init.append(
+                f'this->ap.addChoices("{i}", '
+                f'this(std::string const& x){{{cfg}->{identifier}(x);}}'
+                f', true, {v}_choices);')
+        elif kind == 'optional_choices':
+            decl_arg_optional = True
+            self.init.append(
+                f'this->ap.addChoices("{i}", '
+                f'this(std::string const& x){{{cfg}->{identifier}(x);}}'
+                f', false, {v}_choices);')
+
+        # Generate declarations for config methods separately by
+        # config object.
+        config_prefix = prefix + 'Config'
+        arg = ''
+        if decl_arg:
+            arg = 'std::string const& parameter'
+        fn = f'{config_prefix}* {identifier}({arg})'
+        if fn not in self.declared_configs:
+            self.declared_configs.add(fn)
+            self.config_declscfg.append(f'QPDF_DLL {fn};')
+            if decl_arg_optional:
+                # Rather than making the parameter optional, add an
+                # overloaded method that takes no arguments. This
+                # strategy enables us to change an option from bare to
+                # optional_parameter or optional_choices without
+                # breaking binary compatibility. The overloaded
+                # methods both have to be implemented manually. They
+                # are not automatically called, so if you forget,
+                # someone will get a link error if they try to call
+                # one.
+                self.config_declscfg.append(
+                    f'QPDF_DLL {config_prefix}* {identifier}();')
+
+    def handle_flag(self, i, identifier, kind, v):
+        # For flags that require manual handlers, declare the handler
+        # and register it. They have to be implemented manually in
+        # QPDFJob_argv.cc. You get compiler/linker errors for any
+        # missing methods.
+        if kind == 'bare':
+            self.decls.append(f'void {identifier}();')
+            self.init.append(f'this->ap.addBare("{i}", '
+                             f'b(&ArgParser::{identifier}));')
+        elif kind == 'required_parameter':
+            self.decls.append(f'void {identifier}(std::string const&);')
+            self.init.append(f'this->ap.addRequiredParameter("{i}", '
+                             f'p(&ArgParser::{identifier})'
+                             f', "{v}");')
+        elif kind == 'optional_parameter':
+            self.decls.append(f'void {identifier}(std::string const&);')
+            self.init.append(f'this->ap.addOptionalParameter("{i}", '
+                             f'p(&ArgParser::{identifier}));')
+        elif kind == 'required_choices':
+            self.decls.append(f'void {identifier}(std::string const&);')
+            self.init.append(f'this->ap.addChoices("{i}", '
+                             f'p(&ArgParser::{identifier})'
+                             f', true, {v}_choices);')
+        elif kind == 'optional_choices':
+            self.decls.append(f'void {identifier}(std::string const&);')
+            self.init.append(f'this->ap.addChoices("{i}", '
+                             f'p(&ArgParser::{identifier})'
+                             f', false, {v}_choices);')
+
+    def prepare(self, data):
+        self.decls =          # argv handler declarations
+        self.init =           # initialize arg parsing code
+        self.json_decls =     # json handler declarations
+        self.json_init =      # initialize json handlers
+        self.jdata = {}         # running data used for json generate
+        self.by_table = {}      # table information by name for easy lookup
+
+        def add_jdata(flag, table, details):
+            # Keep track of each flag and where it appears so we can
+            # check consistency between the json information and the
+            # options section.
+            nonlocal self
+            if table == 'help':
+                self.help_options.add(f'--{flag}')
+            elif flag in self.jdata:
+                self.jdataflag'tables'table = details
+            else:
+                self.jdataflag = {
+                    'tables': {table: details},
+                }
+
+        # helper functions
+        self.init.append('auto b = this(void (ArgParser::*f)()) {')
+        self.init.append('    return QPDFArgParser::bindBare(f, this);')
+        self.init.append('};')
+        self.init.append(
+            'auto p = this(void (ArgParser::*f)(std::string const&)) {')
+        self.init.append('    return QPDFArgParser::bindParam(f, this);')
+        self.init.append('};')
+        self.init.append('')
+
+        # static variables for each set of choices for choices options
+        for k, v in data'choices'.items():
+            s = f'static char const* {k}_choices = {{'
+            for i in v:
+                s += f'"{i}", '
+            s += '0};'
+            self.init.append(s)
+            self.json_init.append(s)
+        self.init.append('')
+        self.json_init.append('')
+
+        # constants for the table names to reduce hard-coding strings
+        # in the handlers
+        for o in data'options':
+            table = o'table'
+            if table in ('main', 'help'):
+                continue
+            i = self.to_identifier(table, 'O', True)
+            self.decls.append(f'static constexpr char const* {i} = "{table}";')
+        self.decls.append('')
+
+        # Walk through all the options adding declarations for the
+        # option handlers and initialization code to register the
+        # handlers in QPDFArgParser. For "trivial" cases,
+        # QPDFArgParser will call the corresponding config method
+        # automatically. Otherwise, it will declare a handler that you
+        # have to explicitly implement.
+
+        # If you add a new option table, you have to set config to the
+        # name of a member variable that you declare in the ArgParser
+        # class in QPDFJob_argv.cc. Then there should be an option in
+        # the main table, also listed as manual in job.yml, that
+        # switches to it. See implementations of any of the existing
+        # options that do this for examples.
+        for o in data'options':
+            table = o'table'
+            config = o.get('config', None)
+            table_prefix = o.get('prefix', '')
+            arg_prefix = 'arg' + table_prefix
+            config_prefix = o.get('config_prefix', table_prefix)
+            manual = o.get('manual', )
+            json_prefix = table_prefix or table
+            self.by_tablejson_prefix = {
+                'config': config,
+                'manual': manual,
+            }
+            if table == 'main':
+                self.init.append('this->ap.selectMainOptionTable();')
+            elif table == 'help':
+                self.init.append('this->ap.selectHelpOptionTable();')
+            else:
+                identifier = self.to_identifier(table, 'argEnd', False)
+                self.init.append(f'this->ap.registerOptionTable("{table}",'
+                                 f' b(&ArgParser::{identifier}));')
+            if o.get('positional', False):
+                self.decls.append(
+                    f'void {arg_prefix}Positional(std::string const&);')
+                self.init.append('this->ap.addPositional('
+                                 f'p(&ArgParser::{arg_prefix}Positional));')
+
+            flags = {}
+            for i in o.get('bare', ):
+                flagsi = 'bare', None
+            for i, v in o.get('required_parameter', {}).items():
+                flagsi = 'required_parameter', v
+            for i in o.get('optional_parameter', ):
+                flagsi = 'optional_parameter', None
+            for i, v in o.get('required_choices', {}).items():
+                flagsi = 'required_choices', v
+            for i, v in o.get('optional_choices', {}).items():
+                flagsi = 'optional_choices', v
+                self.options_without_help.add(f'--{i}')
+
+            for i, kind, v in flags.items():
+                self.options_without_help.add(f'--{i}')
+                add_jdata(i, json_prefix, kind, v)
+                if config is None or i in manual:
+                    identifier = self.to_identifier(i, arg_prefix, False)
+                    self.handle_flag(i, identifier, kind, v)
+                else:
+                    identifier = self.to_identifier(i, '', False)
+                    self.handle_trivial(
+                        i, identifier, config, config_prefix, kind, v)
+
+            # Subsidiary options tables need end methods to do any
+            # final checking within the option table. Final checking
+            # for the main option table is handled by
+            # checkConfiguration, which is called explicitly in the
+            # QPDFJob code.
+            if table not in ('main', 'help'):
+                identifier = self.to_identifier(table, 'argEnd', False)
+                self.decls.append(f'void {identifier}();')
+
+    def handle_json_trivial(self, flag_key, fdata):
+        config = None
+        for t, kind, v in fdata'tables'.items():
+            # We have determined that all tables, if multiple, have
+            # the same config.
+            tdata = self.by_tablet
+            config = tdata'config'
+        if kind == 'bare':
+            self.json_init.append(
+                f'addBare(this() {{ {config}->{flag_key}(); }});')
+        elif kind == 'required_parameter' or kind == 'optional_parameter':
+            # Optional parameters end up just being the empty string,
+            # so the handler has to deal with it. The empty string is
+            # also allowed for non-optional.
+            self.json_init.append(
+                f'addParameter(this(std::string const& p)'
+                f' {{ {config}->{flag_key}(p); }});')
+        elif kind == 'required_choices':
+            self.json_init.append(
+                f'addChoices({v}_choices, true,'
+                f' this(std::string const& p)'
+                f' {{ {config}->{flag_key}(p); }});')
+        elif kind == 'optional_choices':
+            self.json_init.append(
+                f'addChoices({v}_choices, false,'
+                f' this(std::string const& p)'
+                f' {{ {config}->{flag_key}(p); }});')
+
+    def handle_json_manual(self, path):
+        method = re.sub(r'\.(a-zA-Z0-9)',
+                        lambda x: x.group(1).upper(),
+                        f'setup{path}')
+        self.json_decls.append(f'void {method}();')
+        self.json_init.append(f'{method}();')
+
+    def option_to_json_key(self, s):
+        return self.to_identifier(s, '', False)
+
+    def flag_to_schema_key(self, k):
+        if k.startswith('_'):
+            schema_key = k1:
+        else:
+            schema_key = re.sub(r'^\.+\.', '', k)
+        return self.option_to_json_key(schema_key)
+
+    def build_schema(self, j, path, flag, expected, options_seen):
+        # j: the part of data from "json" in job.yml as we traverse it
+        # path: a string representation of the path in the json
+        # flag: the command-line flag
+        # expected: a map of command-line options we expect to eventually see
+        # options_seen: which options we have seen so far
+
+        # As described in job.yml, the json can have keys that don't
+        # map to options. This includes keys whose values are
+        # dictionaries as well as keys that correspond to positional
+        # arguments. These start with _ and get their help from
+        # job.yml. Things that correspond to options get their help
+        # from the help text we gathered from cli.rst.
+
+        if flag in expected:
+            options_seen.add(flag)
+        elif isinstance(j, str):
+            if not flag.startswith('_'):
+                raise Exception(f'json: {flag} has a description'
+                                ' but doesn\'t start with _')
+        elif not (flag == '' or flag.startswith('_')):
+            raise Exception(f'json: unknown key {flag}')
+
+        # The logic here is subtle and makes sense if you understand
+        # how our JSON schemas work. They are described in JSON.hh,
+        # but basically, if you see a dictionary, the schema should
+        # have a dictionary with the same keys whose values are
+        # descriptive. If you see an array, the array should have
+        # single member that describes each element of the array. See
+        # JSON.hh for details.
+
+        # See comments in QPDFJob_json.cc in the Handlers class
+        # declaration to understand how and why the methods called
+        # here work. The idea is that Handlers keeps a stack of
+        # JSONHandler shared pointers so that we can register our
+        # handlers in the right place as we go.
+        if isinstance(j, dict):
+            schema_value = {}
+            if flag:
+                identifier = self.to_identifier(path, '', False)
+                self.json_decls.append(f'void begin{identifier}(JSON);')
+                self.json_decls.append(f'void end{identifier}();')
+                self.json_init.append(
+                    f'beginDict(bindJSON(&Handlers::begin{identifier}),'
+                    f' bindBare(&Handlers::end{identifier})); // {path}')
+            for k, v in j.items():
+                schema_key = self.flag_to_schema_key(k)
+                subpath = f'{path}.{schema_key}'
+                self.json_init.append(f'pushKey("{schema_key}");')
+                schema_valueschema_key = self.build_schema(
+                    v, subpath, k, expected, options_seen)
+                self.json_init.append(f'popHandler(); // key: {schema_key}')
+        elif isinstance(j, list):
+            if len(j) != 1:
+                raise Exception('json contains array with length != 1')
+            identifier = self.to_identifier(path, '', False)
+            self.json_decls.append(f'void begin{identifier}Array(JSON);')
+            self.json_decls.append(f'void end{identifier}Array();')
+            self.json_init.append(
+                f'beginArray(bindJSON(&Handlers::begin{identifier}Array),'
+                f' bindBare(&Handlers::end{identifier}Array));'
+                f' // {path}')
+            schema_value = 
+                self.build_schema(j0, path, flag,
+                                  expected, options_seen)
+            
+            self.json_init.append(
+                f'popHandler(); // array: {path}')
+        else:
+            schema_value = j
+            if schema_value is None:
+                schema_value = re.sub(
+                    r'--(^\s=+)',
+                    lambda x: self.option_to_json_key(x.group(1)),
+                    expectedflag'help')
+            is_trivial = False
+            if flag in expected:
+                is_trivial = True
+                common_config = None
+                for t in expectedflag'tables':
+                    tdata = self.by_tablet
+                    if flag in tdata'manual':
+                        is_trivial = False
+                    if common_config is None:
+                        common_config = tdata'config'
+                    elif common_config != tdata'config':
+                        is_trivial = False
+            config_key = self.flag_to_schema_key(flag)
+            if is_trivial:
+                self.handle_json_trivial(config_key, expectedflag)
+            else:
+                self.handle_json_manual(path)
+        return schema_value
+
+    def generate_schema(self, data):
+        # Check to make sure that every command-line option is
+        # represented in data'json'. Build a list of options that we
+        # expect. If an option appears once, we just expect to see it
+        # once. If it appears in more than one options table, we need
+        # to see a separate version of it for each option table. It is
+        # represented in job.yml prepended with the table prefix. The
+        # table prefix is removed in the schema. Example: "password"
+        # appears multiple times, so the json section of job.yml has
+        # main.password, uo.password, etc. But most options appear
+        # only once, so we can just list them as they are. There is a
+        # nearly exact match between option tables and dictionary in
+        # the job json schema, but it's not perfect because of how
+        # positional arguments are handled, so we have to do this
+        # extra work. Information about which tables a particular
+        # option appeared in is gathered up in prepare().
+        expected = {}
+        for k, v in self.jdata.items():
+            tables = v'tables'
+            if len(tables) == 1:
+                expectedk = {**v}
+            else:
+                for t in sorted(tables):
+                    expectedf'{t}.{k}' = {**v}
+        options_seen = set()
+
+        # Walk through the json information building the schema as we
+        # go. This verifies consistency between command-line options
+        # and the json section of the data and builds up a schema by
+        # populating with help information as available. In addition
+        # to generating the schema, we declare and register json
+        # handlers that correspond with it. That way, we can first
+        # check a job JSON file against the schema, and if it matches,
+        # we have fewer error opportunities while calling handlers.
+        self.schema = self.build_schema(
+            data'json', '', '', expected, options_seen)
+        if options_seen != set(expected.keys()):
+            raise Exception('missing from json: ' +
+                            str(set(expected.keys()) - options_seen))
+
+    def check_keys(self, what, d, exp):
+        if not isinstance(d, dict):
+            exit(f'{what} is not a dictionary')
+        actual = set(d.keys())
+        extra = actual - exp
+        if extra:
+            exit(f'{what}: unknown keys = {extra}')
+
+    def validate(self, data):
+        self.check_keys('top', data, set(
+            'choices', 'options', 'json'))
+        for o in data'options':
+            self.check_keys('top', o, set(
+                'table', 'prefix', 'config', 'config_prefix',
+                 'manual', 'bare', 'positional',
+                 'optional_parameter', 'required_parameter',
+                 'required_choices', 'optional_choices'))
+
+    def to_identifier(self, label, prefix, const):
+        identifier = re.sub(r'^a-zA-Z0-9', '_', label)
+        if const:
+            identifier = f'{prefix}_{identifier.upper()}'
+        else:
+            if prefix:
+                identifier = f'{prefix}_{identifier}'
+            identifier = re.sub(r'_(a-z)',
+                                lambda x: x.group(1).upper(),
+                                identifier).replace('_', '')
+        return identifier
+
+
+if __name__ == '__main__':
+    try:
+        os.chdir(os.path.dirname(os.path.realpath(__file__)))
+        Main().main()
+    except KeyboardInterrupt:
+        exit(130)

_service:tar_scm:qpdf-11.1.0.tar.gz/include/CMakeLists.txt Added

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Buffer.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Buffer.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -23,7 +23,10 @@
 #define BUFFER_HH
 
 #include <qpdf/DLL.h>
-#include <cstring>              // for size_t
+#include <qpdf/PointerHolder.hh>
+
+#include <memory>
+#include <stddef.h>
 
 class Buffer
 {
@@ -46,7 +49,9 @@
     QPDF_DLL
     Buffer& operator=(Buffer const&);
     QPDF_DLL
-    ~Buffer();
+    Buffer(Buffer&&) noexcept;
+    QPDF_DLL
+    Buffer& operator=(Buffer&&) noexcept;
     QPDF_DLL
     size_t getSize() const;
     QPDF_DLL
@@ -55,13 +60,26 @@
     unsigned char* getBuffer();
 
   private:
-    void init(size_t size, unsigned char* buf, bool own_memory);
+    class Members
+    {
+        friend class Buffer;
+
+      public:
+        QPDF_DLL
+        ~Members();
+
+      private:
+        Members(size_t size, unsigned char* buf, bool own_memory);
+        Members(Members const&) = delete;
+
+        bool own_memory;
+        size_t size;
+        unsigned char* buf;
+    };
+
     void copy(Buffer const&);
-    void destroy();
 
-    bool own_memory;
-    size_t size;
-    unsigned char* buf;
+    std::unique_ptr<Members> m;
 };
 
 #endif // BUFFER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/BufferInputSource.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/BufferInputSource.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,20 +22,20 @@
 #ifndef QPDF_BUFFERINPUTSOURCE_HH
 #define QPDF_BUFFERINPUTSOURCE_HH
 
-#include <qpdf/InputSource.hh>
 #include <qpdf/Buffer.hh>
+#include <qpdf/InputSource.hh>
 
-class BufferInputSource: public InputSource
+class QPDF_DLL_CLASS BufferInputSource: public InputSource
 {
   public:
     // If own_memory is true, BufferInputSource will delete the buffer
     // when finished with it. Otherwise, the caller owns the memory.
     QPDF_DLL
-    BufferInputSource(std::string const& description, Buffer* buf,
-                      bool own_memory = false);
+    BufferInputSource(
+        std::string const& description, Buffer* buf, bool own_memory = false);
     QPDF_DLL
-    BufferInputSource(std::string const& description,
-                      std::string const& contents);
+    BufferInputSource(
+        std::string const& description, std::string const& contents);
     QPDF_DLL
     virtual ~BufferInputSource();
     QPDF_DLL
@@ -58,6 +58,7 @@
     std::string description;
     Buffer* buf;
     qpdf_offset_t cur_offset;
+    qpdf_offset_t max_offset;
 };
 
 #endif // QPDF_BUFFERINPUTSOURCE_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/ClosedFileInputSource.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/ClosedFileInputSource.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -31,9 +31,11 @@
 #include <qpdf/InputSource.hh>
 #include <qpdf/PointerHolder.hh>
 
+#include <memory>
+
 class FileInputSource;
 
-class ClosedFileInputSource: public InputSource
+class QPDF_DLL_CLASS ClosedFileInputSource: public InputSource
 {
   public:
     QPDF_DLL
@@ -63,29 +65,18 @@
     void stayOpen(bool);
 
   private:
-    ClosedFileInputSource(ClosedFileInputSource const&);
-    ClosedFileInputSource& operator=(ClosedFileInputSource const&);
+    ClosedFileInputSource(ClosedFileInputSource const&) = delete;
+    ClosedFileInputSource& operator=(ClosedFileInputSource const&) = delete;
 
+    QPDF_DLL_PRIVATE
     void before();
+    QPDF_DLL_PRIVATE
     void after();
 
-    class Members
-    {
-        friend class ClosedFileInputSource;
-
-      public:
-        QPDF_DLL
-        ~Members();
-
-      private:
-        Members(char const* filename);
-
-        std::string filename;
-        qpdf_offset_t offset;
-        FileInputSource* fis;
-        bool stay_open;
-    };
-    PointerHolder<Members> m;
+    std::string filename;
+    qpdf_offset_t offset;
+    std::shared_ptr<FileInputSource> fis;
+    bool stay_open;
 };
 
 #endif // QPDF_CLOSEDFILEINPUTSOURCE_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Constants.h -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Constants.h Changed

@@ -1,4 +1,4 @@
-/* Copyright (c) 2005-2019 Jay Berkenbilt
+/* Copyright (c) 2005-2022 Jay Berkenbilt
  *
  * This file is part of qpdf.
  *
@@ -23,81 +23,167 @@
 #ifndef QPDFCONSTANTS_H
 #define QPDFCONSTANTS_H
 
-/* Keep this file 'C' compatible so it can be used from the C and C++
+/*
+ * REMEMBER:
+ *
+ * Keep this file 'C' compatible so it can be used from the C and C++
  * interfaces.
  */
 
+/* ******************************  NOTE  ******************************
+
+Tl;Dr: new values must be added to the end such that no constant's
+numerical value changes, even across major releases.
+
+Details:
+
+As new values are added to existing enumerated types in this file,
+it is important not to change the actual values of any constants.
+This means that, in the absence of explicit assignment of values,
+the order of entries can't change even across major releases. Why?
+Here are the reasons:
+
+* Many of these constants are used by the C API. The C API is used
+  through foreign function call interfaces by users of other languages
+  who may not have access to or the ability to parse a C header file.
+  As such, users are likely to hard-code numerical values or create
+  their own constants whose values match. If we change values here,
+  their code would break, and there would be no way to detect it short
+  of noticing a bug. Furthermore, it would be difficult to write code
+  that properly handled more than one version of the qpdf shared
+  object (e.g. DLL) since the information about what version of qpdf
+  is involved is only available at runtime.
+
+- It has happened from time to time that a user builds an application
+  with an incorrectly installed qpdf, such as having mismatched header
+  files and library files. In the event that they are only using qpdf
+  interfaces that have been stable across the versions in question,
+  this turns out to be harmless. If they happen to use non-compatible
+  interfaces, this results usually in a failure to load or an obvious
+  runtime error. If we change values of constants, it is possible that
+  code that links and runs may have mismatched values for constants.
+  This would create a bug that would be extremely difficult to track
+  down and impossible for qpdf maintainers to reproduce.
+
+*/
+
+/* Exit Codes from QPDFJob and the qpdf CLI */
+
+enum qpdf_exit_code_e {
+    qpdf_exit_success = 0,
+    /* Normal exit codes */
+    qpdf_exit_error = 2,
+    qpdf_exit_warning = 3,
+    /* For --is-encrypted and --requires-password */
+    qpdf_exit_is_not_encrypted = 2,
+    qpdf_exit_correct_password = 3,
+};
+
 /* Error Codes */
 
-enum qpdf_error_code_e
-{
+enum qpdf_error_code_e {
     qpdf_e_success = 0,
-    qpdf_e_internal,	 	/* logic/programming error -- indicates bug */
-    qpdf_e_system,		/* I/O error, memory error, etc. */
-    qpdf_e_unsupported,		/* PDF feature not (yet) supported by qpdf */
-    qpdf_e_password,		/* incorrect password for encrypted file */
-    qpdf_e_damaged_pdf,		/* syntax errors or other damage in PDF */
-    qpdf_e_pages,               /* erroneous or unsupported pages structure */
+    qpdf_e_internal,    /* logic/programming error -- indicates bug */
+    qpdf_e_system,      /* I/O error, memory error, etc. */
+    qpdf_e_unsupported, /* PDF feature not (yet) supported by qpdf */
+    qpdf_e_password,    /* incorrect password for encrypted file */
+    qpdf_e_damaged_pdf, /* syntax errors or other damage in PDF */
+    qpdf_e_pages,       /* erroneous or unsupported pages structure */
+    qpdf_e_object,      /* type/bounds errors accessing objects */
+    qpdf_e_json,        /* error in qpdf JSON */
+};
+
+/* Object Types */
+
+/* PDF objects represented by QPDFObjectHandle or, in the C API, by
+ * qpdf_oh, have a unique type code that has one of the values in the
+ * list below. As new object types are added to qpdf, additional items
+ * may be added to the list, so code that switches on these values
+ * should take that into consideration. (Maintainer note: it would be
+ * better to call this qpdf_ot_* rather than ot_* to reduce likelihood
+ * of name collision, but changing the names of the values breaks
+ * backward compatibility.)
+ */
+enum qpdf_object_type_e {
+    /* Object types internal to qpdf */
+    ot_uninitialized,
+    ot_reserved,
+    /* Object types that can occur in the main document */
+    ot_null,
+    ot_boolean,
+    ot_integer,
+    ot_real,
+    ot_string,
+    ot_name,
+    ot_array,
+    ot_dictionary,
+    ot_stream,
+    /* Additional object types that can occur in content streams */
+    ot_operator,
+    ot_inlineimage,
+    /* Object types internal to qpdf */
+    ot_unresolved,
+    ot_destroyed,
 };
 
 /* Write Parameters. See QPDFWriter.hh for details. */
 
-enum qpdf_object_stream_e
-{
-    qpdf_o_disable = 0,		/* disable object streams */
-    qpdf_o_preserve,		/* preserve object streams */
-    qpdf_o_generate		/* generate object streams */
+enum qpdf_object_stream_e {
+    qpdf_o_disable = 0, /* disable object streams */
+    qpdf_o_preserve,    /* preserve object streams */
+    qpdf_o_generate     /* generate object streams */
 };
-enum qpdf_stream_data_e
-{
-    qpdf_s_uncompress = 0,	/* uncompress stream data */
-    qpdf_s_preserve,		/* preserve stream data compression */
-    qpdf_s_compress		/* compress stream data */
+enum qpdf_stream_data_e {
+    qpdf_s_uncompress = 0, /* uncompress stream data */
+    qpdf_s_preserve,       /* preserve stream data compression */
+    qpdf_s_compress        /* compress stream data */
 };
 
 /* Stream data flags */
 
 /* See pipeStreamData in QPDFObjectHandle.hh for details on these flags. */
-enum qpdf_stream_encode_flags_e
-{
-    qpdf_ef_compress  = 1 << 0, /* compress uncompressed streams */
+enum qpdf_stream_encode_flags_e {
+    qpdf_ef_compress = 1 << 0,  /* compress uncompressed streams */
     qpdf_ef_normalize = 1 << 1, /* normalize content stream */
 };
-enum qpdf_stream_decode_level_e
-{
+enum qpdf_stream_decode_level_e {
     /* These must be in order from less to more decoding. */
-    qpdf_dl_none = 0,           /* preserve all stream filters */
-    qpdf_dl_generalized,        /* decode general-purpose filters */
-    qpdf_dl_specialized,        /* also decode other non-lossy filters */
-    qpdf_dl_all                 /* also decode loss filters */
+    qpdf_dl_none = 0,    /* preserve all stream filters */
+    qpdf_dl_generalized, /* decode general-purpose filters */
+    qpdf_dl_specialized, /* also decode other non-lossy filters */
+    qpdf_dl_all          /* also decode lossy filters */
+};
+/* For JSON encoding */
+enum qpdf_json_stream_data_e {
+    qpdf_sj_none = 0,
+    qpdf_sj_inline,
+    qpdf_sj_file,
 };
 
 /* R3 Encryption Parameters */
 
-enum qpdf_r3_print_e
-{
-    qpdf_r3p_full = 0,		/* allow all printing */
-    qpdf_r3p_low,		/* allow only low-resolution printing */
-    qpdf_r3p_none		/* allow no printing */
+enum qpdf_r3_print_e {
+    qpdf_r3p_full = 0, /* allow all printing */
+    qpdf_r3p_low,      /* allow only low-resolution printing */
+    qpdf_r3p_none      /* allow no printing */
 };
 
 /* qpdf_r3_modify_e doesn't allow the full flexibility of the spec. It
  * corresponds to options in Acrobat 5's menus. The new interface in
  * QPDFWriter offers more granularity and no longer uses this type.
  */
-enum qpdf_r3_modify_e		/* Allowed changes: */
+enum qpdf_r3_modify_e /* Allowed changes: */
 {
-    qpdf_r3m_all = 0,		/* All editing */
-    qpdf_r3m_annotate,          /* Comments, fill forms, signing, assembly */
-    qpdf_r3m_form,		/* Fill forms, signing, assembly */
-    qpdf_r3m_assembly,		/* Only document assembly */
-    qpdf_r3m_none		/* No modifications */
+    qpdf_r3m_all = 0,  /* All editing */
+    qpdf_r3m_annotate, /* Comments, fill forms, signing, assembly */
+    qpdf_r3m_form,     /* Fill forms, signing, assembly */
+    qpdf_r3m_assembly, /* Only document assembly */
+    qpdf_r3m_none      /* No modifications */
 };
 
 /* Form field flags from the PDF spec */
 
-enum pdf_form_field_flag_e
-{
+enum pdf_form_field_flag_e {
     /* flags that apply to all form fields */
     ff_all_read_only = 1 << 0,
     ff_all_required = 1 << 1,
@@ -129,8 +215,7 @@
 
 /* Annotation flags from the PDF spec */
 
-enum pdf_annotation_flag_e
-{
+enum pdf_annotation_flag_e {
     an_invisible = 1 << 0,
     an_hidden = 1 << 1,
     an_print = 1 << 2,
@@ -143,4 +228,10 @@
     an_locked_contents = 1 << 9
 };
 
+/* Encryption/password status for QPDFJob */
+enum qpdf_encryption_status_e {
+    qpdf_es_encrypted = 1 << 0,
+    qpdf_es_password_incorrect = 1 << 1
+};
+
 #endif /* QPDFCONSTANTS_H */

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/DLL.h -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/DLL.h Changed

@@ -1,4 +1,4 @@
-/* Copyright (c) 2005-2019 Jay Berkenbilt
+/* Copyright (c) 2005-2022 Jay Berkenbilt
  *
  * This file is part of qpdf.
  *
@@ -23,15 +23,107 @@
 #ifndef QPDF_DLL_HH
 #define QPDF_DLL_HH
 
-#if defined(_WIN32) && defined(DLL_EXPORT)
-# define QPDF_DLL __declspec(dllexport)
-# define QPDF_DLL_EXCEPTION
-#elif __GNUC__ >= 4
-# define QPDF_DLL __attribute__ ((visibility ("default")))
-# define QPDF_DLL_EXCEPTION __attribute__ ((visibility ("default")))
+/* The first version of qpdf to include the version constants is 10.6.0. */
+#define QPDF_MAJOR_VERSION 11
+#define QPDF_MINOR_VERSION 1
+#define QPDF_PATCH_VERSION 0
+#define QPDF_VERSION "11.1.0"
+
+/*
+ * This file defines symbols that control the which functions,
+ * classes, and methods are exposed to the public ABI (application
+ * binary interface). See below for a detailed explanation.
+ */
+
+#if defined _WIN32 || defined __CYGWIN__
+# ifdef libqpdf_EXPORTS
+#  define QPDF_DLL __declspec(dllexport)
+# else
+#  define QPDF_DLL
+# endif
+# define QPDF_DLL_PRIVATE
+# define QPDF_DLL_CLASS
+#elif defined __GNUC__
+# define QPDF_DLL __attribute__((visibility("default")))
+# define QPDF_DLL_PRIVATE __attribute__((visibility("hidden")))
+# define QPDF_DLL_CLASS QPDF_DLL
 #else
 # define QPDF_DLL
-# define QPDF_DLL_EXCEPTION
+# define QPDF_DLL_PRIVATE
+# define QPDF_DLL_CLASS
 #endif
 
+/*
+
+Here's what's happening. See also https://gcc.gnu.org/wiki/Visibility
+for a more in-depth discussion.
+
+* Everything in the public ABI must be exported. Things not in the
+  public ABI should not be exported.
+
+* A class's runtime type information is need if the class is going to
+  be used as an exception, inherited from, or tested with
+  dynamic_class. To do these things across a shared object boundary,
+  runtime type information must be exported.
+
+* On Windows:
+
+  * For a symbol (function, method, etc.) to be exported into the
+    public ABI, it must be explicitly marked for export.
+
+  * If you mark a class for export, all symbols in the class,
+    including private methods, are exported into the DLL, and there is
+    no way to exclude something from export.
+
+  * A class's run-time type information is made available based on the
+    presence of a compiler flag (with MSVC), which is always on for
+    qpdf builds.
+
+  * Marking classes for export should be done only when *building* the
+    DLL, not when *using* the DLL.
+
+  * It is possible to mark symbols for import for DLL users, but it is
+    not necessary, and doing it right is complex in our case of being
+    multi-platform and building both static and shared libraries that
+    use the same headers, so we don't bother.
+
+* On Linux (and other similar systems):
+
+  * Common compilers such as gcc and clang export all symbols into the
+    public ABI by default. The qpdf build overrides this by using
+    "visibility=hidden", which makes it behave more like Windows in
+    that things have to be explicitly exported to appear in the public
+    ABI.
+
+  * As with Windows, marking a class for export causes everything in
+    the class, including private methods, the be exported. However,
+    unlike in Windows:
+
+    * It is possible to explicitly mark symbols as private
+
+    * The only way to get the runtime type and vtable information into
+      the ABI is to mark the class as exported.
+
+    * It is harmless and sometimes necessary to include the visibility
+      marks when using the library as well as when building it. In
+      particular, clang on MacOS requires the visibility marks to
+      match in both cases.
+
+What does this mean:
+
+* On Windows, we never have to export a class, and while there is no
+  way to "unexport" something, we also have no need to do it.
+
+* On non-Windows, we have to export some classes, and when we do, we
+  have to "unexport" some of their parts.
+
+* We only use the libqpdf_EXPORTS as a conditional for defining the
+  symbols for Windows builds.
+
+To achieve this, we use QPDF_DLL_CLASS to export classes, QPDF_DLL to
+export methods, and QPDF_DLL_PRIVATE to unexport private methods in
+exported classes.
+
+*/
+
 #endif /* QPDF_DLL_HH */

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/FileInputSource.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/FileInputSource.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -24,12 +24,16 @@
 
 #include <qpdf/InputSource.hh>
 
-class FileInputSource: public InputSource
+class QPDF_DLL_CLASS FileInputSource: public InputSource
 {
   public:
     QPDF_DLL
     FileInputSource();
     QPDF_DLL
+    FileInputSource(char const* filename);
+    QPDF_DLL
+    FileInputSource(char const* description, FILE* filep, bool close_file);
+    QPDF_DLL
     void setFilename(char const* filename);
     QPDF_DLL
     void setFile(char const* description, FILE* filep, bool close_file);
@@ -51,10 +55,8 @@
     virtual void unreadCh(char ch);
 
   private:
-    FileInputSource(FileInputSource const&);
-    FileInputSource& operator=(FileInputSource const&);
-
-    void destroy();
+    FileInputSource(FileInputSource const&) = delete;
+    FileInputSource& operator=(FileInputSource const&) = delete;
 
     bool close_file;
     std::string filename;

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/InputSource.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/InputSource.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -23,11 +23,17 @@
 #define QPDF_INPUTSOURCE_HH
 
 #include <qpdf/DLL.h>
+#include <qpdf/PointerHolder.hh>
 #include <qpdf/Types.h>
+
+#include <memory>
 #include <stdio.h>
 #include <string>
 
-class InputSource
+// Remember to use QPDF_DLL_CLASS on anything derived from InputSource
+// so it will work with dynamic_cast across the shared object
+// boundary.
+class QPDF_DLL_CLASS InputSource
 {
   public:
     QPDF_DLL
@@ -36,20 +42,15 @@
     {
     }
     QPDF_DLL
-    virtual ~InputSource()
-    {
-    }
+    virtual ~InputSource() = default;
 
-    class Finder
+    class QPDF_DLL_CLASS Finder
     {
       public:
-        Finder()
-        {
-        }
-        virtual ~Finder()
-        {
-        }
-
+        QPDF_DLL
+        Finder() = default;
+        QPDF_DLL
+        virtual ~Finder() = default;
         virtual bool check() = 0;
     };
 
@@ -68,13 +69,17 @@
     // methods return true and leave the input source positioned
     // wherever check() left it at the end of the matching pattern.
     QPDF_DLL
-    bool findFirst(char const* start_chars,
-                   qpdf_offset_t offset, size_t len,
-                   Finder& finder);
+    bool findFirst(
+        char const* start_chars,
+        qpdf_offset_t offset,
+        size_t len,
+        Finder& finder);
     QPDF_DLL
-    bool findLast(char const* start_chars,
-                  qpdf_offset_t offset, size_t len,
-                  Finder& finder);
+    bool findLast(
+        char const* start_chars,
+        qpdf_offset_t offset,
+        size_t len,
+        Finder& finder);
 
     virtual qpdf_offset_t findAndSkipNextEOL() = 0;
     virtual std::string const& getName() const = 0;
@@ -82,10 +87,100 @@
     virtual void seek(qpdf_offset_t offset, int whence) = 0;
     virtual void rewind() = 0;
     virtual size_t read(char* buffer, size_t length) = 0;
+
+    // Note: you can only unread the character you just read. The
+    // specific character is ignored by some implementations, and the
+    // implementation doesn't check this. Use of unreadCh is
+    // semantically equivalent to seek(-1, SEEK_CUR) but is much more
+    // efficient.
     virtual void unreadCh(char ch) = 0;
 
+    // The following methods are for use by QPDFTokenizer
+    inline qpdf_offset_t fastTell();
+    inline bool fastRead(char&);
+    inline void fastUnread(bool);
+    inline void loadBuffer();
+
   protected:
     qpdf_offset_t last_offset;
+
+  private:
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class InputSource;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members() = default;
+        Members(Members const&) = delete;
+    };
+
+    std::shared_ptr<Members> m;
+
+    // State for fast... methods
+    static const qpdf_offset_t buf_size = 128;
+    char bufferbuf_size;
+    qpdf_offset_t buf_len = 0;
+    qpdf_offset_t buf_idx = 0;
+    qpdf_offset_t buf_start = 0;
 };
 
+inline void
+InputSource::loadBuffer()
+{
+    this->buf_idx = 0;
+    this->buf_len = qpdf_offset_t(read(this->buffer, this->buf_size));
+    // NB read sets last_offset
+    this->buf_start = this->last_offset;
+}
+
+inline qpdf_offset_t
+InputSource::fastTell()
+{
+    if (this->buf_len == 0) {
+        loadBuffer();
+    } else {
+        auto curr = tell();
+        if (curr < this->buf_start ||
+            curr >= (this->buf_start + this->buf_len)) {
+            loadBuffer();
+        } else {
+            this->last_offset = curr;
+            this->buf_idx = curr - this->buf_start;
+        }
+    }
+    return this->last_offset;
+}
+
+inline bool
+InputSource::fastRead(char& ch)
+{
+    // Before calling fastRead, fastTell must be called to prepare the buffer.
+    // Once reading is complete, fastUnread must be called to set the correct
+    // file position.
+    if (this->buf_idx < this->buf_len) {
+        ch = this->bufferthis->buf_idx;
+        ++(this->buf_idx);
+        ++(this->last_offset);
+        return true;
+
+    } else if (this->buf_len == 0) {
+        return false;
+    } else {
+        seek(this->buf_start + this->buf_len, SEEK_SET);
+        fastTell();
+        return fastRead(ch);
+    }
+}
+
+inline void
+InputSource::fastUnread(bool back)
+{
+    this->last_offset -= back ? 1 : 0;
+    seek(this->last_offset, SEEK_SET);
+}
+
 #endif // QPDF_INPUTSOURCE_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/JSON.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/JSON.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,27 +22,109 @@
 #ifndef JSON_HH
 #define JSON_HH
 
-// This is a simple JSON serializer, primarily designed for
-// serializing QPDF Objects as JSON. JSON objects contain their data
-// as smart pointers. One JSON object is added to another, this
-// pointer is copied. This means you can create temporary JSON objects
-// on the stack, add them to other objects, and let them go out of
-// scope safely. It also means that if the json JSON object is added
-// in more than one place, all copies share underlying data.
+// This is a simple JSON serializer and parser, primarily designed for
+// serializing QPDF Objects as JSON. While it may work as a
+// general-purpose JSON parser/serializer, there are better options.
+// JSON objects contain their data as smart pointers. When one JSON object
+// is added to another, this pointer is copied. This means you can
+// create temporary JSON objects on the stack, add them to other
+// objects, and let them go out of scope safely. It also means that if
+// a JSON object is added in more than one place, all copies
+// share the underlying data. This makes them similar in structure and
+// behavior to QPDFObjectHandle and may feel natural within the QPDF
+// codebase, but it is also a good reason not to use this as a
+// general-purpose JSON package.
 
 #include <qpdf/DLL.h>
 #include <qpdf/PointerHolder.hh>
-#include <string>
+#include <qpdf/Types.h>
+
+#include <functional>
+#include <list>
 #include <map>
+#include <memory>
+#include <set>
+#include <string>
 #include <vector>
-#include <list>
+
+class Pipeline;
+class InputSource;
 
 class JSON
 {
   public:
+    static int constexpr LATEST = 2;
+
     QPDF_DLL
     std::string unparse() const;
 
+    // Write the JSON object through a pipeline. The `depth` parameter
+    // specifies how deeply nested this is in another JSON structure,
+    // which makes it possible to write clean-looking JSON
+    // incrementally.
+    QPDF_DLL
+    void write(Pipeline*, size_t depth = 0) const;
+
+    // Helper methods for writing JSON incrementally.
+    //
+    // "first" -- Several methods take a `bool& first` parameter. The
+    // open methods always set it to true, and the methods to output
+    // items always set it to false. This way, the item and close
+    // methods can always know whether or not a first item is being
+    // written. The intended mode of operation is to start with a new
+    // `bool first = true` each time a new container is opened and
+    // to pass that `first` through to all the methods that are
+    // called to add top-level items to the container as well as to
+    // close the container. This lets the JSON object use it to keep
+    // track of when it's writing a first object and when it's not. If
+    // incrementally writing multiple levels of depth, a new `first`
+    // should used for each new container that is opened.
+    //
+    // "depth" -- Indicate the level of depth. This is used for
+    // consistent indentation. When writing incrementally, whenever
+    // you call a method to add an item to a container, the value of
+    // `depth` should be one more than whatever value is passed to the
+    // container open and close methods.
+
+    // Open methods ignore the value of first and set it to false
+    QPDF_DLL
+    static void writeDictionaryOpen(Pipeline*, bool& first, size_t depth = 0);
+    QPDF_DLL
+    static void writeArrayOpen(Pipeline*, bool& first, size_t depth = 0);
+    // Close methods don't modify first. A true value indicates that
+    // we are closing an empty object.
+    QPDF_DLL
+    static void writeDictionaryClose(Pipeline*, bool first, size_t depth = 0);
+    QPDF_DLL
+    static void writeArrayClose(Pipeline*, bool first, size_t depth = 0);
+    // The item methods use the value of first to determine if this is
+    // the first item and always set it to false.
+    QPDF_DLL
+    static void writeDictionaryItem(
+        Pipeline*,
+        bool& first,
+        std::string const& key,
+        JSON const& value,
+        size_t depth = 0);
+    // Write just the key of a new dictionary item, useful if writing
+    // nested structures. Calls writeNext.
+    QPDF_DLL
+    static void writeDictionaryKey(
+        Pipeline* p, bool& first, std::string const& key, size_t depth = 0);
+    QPDF_DLL
+    static void writeArrayItem(
+        Pipeline*, bool& first, JSON const& element, size_t depth = 0);
+    // If writing nested structures incrementally, call writeNext
+    // before opening a new array or container in the midst of an
+    // existing one. The `first` you pass to writeNext should be the
+    // one for the parent object. The depth should be the one for the
+    // child object. Then start a new `first` for the nested item.
+    // Note that writeDictionaryKey and writeArrayItem call writeNext
+    // for you, so this is most important when writing subsequent
+    // items or container openers to an array.
+    QPDF_DLL
+    static void writeNext(Pipeline* p, bool& first, size_t depth = 0);
+
     // The JSON spec calls dictionaries "objects", but that creates
     // too much confusion when referring to instances of the JSON
     // class.
@@ -69,54 +151,219 @@
     QPDF_DLL
     static JSON makeNull();
 
+    // A blob serializes as a string. The function will be called by
+    // JSON with a pipeline and should write binary data to the
+    // pipeline but not call finish(). JSON will call finish() at the
+    // right time.
+    QPDF_DLL
+    static JSON makeBlob(std::function<void(Pipeline*)>);
+
+    QPDF_DLL
+    bool isArray() const;
+
+    QPDF_DLL
+    bool isDictionary() const;
+
+    // If the key is already in the dictionary, return true.
+    // Otherwise, mark it as seen and return false. This is primarily
+    // intended to be used by the parser to detect duplicate keys when
+    // the reactor blocks them from being added to the final
+    // dictionary.
+    QPDF_DLL
+    bool checkDictionaryKeySeen(std::string const& key);
+
+    // Accessors. Accessor behavior:
+    //
+    // - If argument is wrong type, including null, return false
+    // - If argument is right type, return true and initialize the value
+    QPDF_DLL
+    bool getString(std::string& utf8) const;
+    QPDF_DLL
+    bool getNumber(std::string& value) const;
+    QPDF_DLL
+    bool getBool(bool& value) const;
+    QPDF_DLL
+    bool isNull() const;
+    QPDF_DLL
+    bool forEachDictItem(
+        std::function<void(std::string const& key, JSON value)> fn) const;
+    QPDF_DLL
+    bool forEachArrayItem(std::function<void(JSON value)> fn) const;
+
     // Check this JSON object against a "schema". This is not a schema
     // according to any standard. It's just a template of what the
     // JSON is supposed to contain. The checking does the following:
     //
     //   * The schema is a nested structure containing dictionaries,
     //     single-element arrays, and strings only.
-    //   * Recursively walk the schema
-    //   * If the current value is a dictionary, this object must have
-    //     a dictionary in the same place with the same keys
-    //   * If the current value is an array, this object must have an
-    //     array in the same place. The schema's array must contain a
-    //     single element, which is used as a schema to validate each
-    //     element of this object's corresponding array.
-    //   * Otherwise, the value is ignored.
+    //   * Recursively walk the schema. In the items below, "schema
+    //     object" refers to an object in the schema, and "checked
+    //     object" refers to the corresponding part of the object
+    //     being checked.
+    //   * If the schema object is a dictionary, the checked object
+    //     must have a dictionary in the same place with the same
+    //     keys. If flags contains f_optional, a key in the schema
+    //     does not have to be present in the object. Otherwise, all
+    //     keys have to be present. Any key in the object must be
+    //     present in the schema.
+    //   * If the schema object is an array of length 1, the checked
+    //     object may either be a single item or an array of items.
+    //     The single item or each element of the checked object's
+    //     array is validated against the single element of the
+    //     schema's array. The rationale behind this logic is that a
+    //     single element may appear wherever the schema allows a
+    //     variable-length array. This makes it possible to start
+    //     allowing an array in the future where a single element was
+    //     previously required without breaking backward
+    //     compatibility.
+    //   * If the schema object is an array of length > 1, the checked
+    //     object must be an array of the same length. In this case,
+    //     each element of the checked object array is validated
+    //     against the corresponding element of the schema array.
+    //   * Otherwise, the value must be a string whose value is a
+    //     description of the object's corresponding value, which may
+    //     have any type.
     //
     // QPDF's JSON output conforms to certain strict compatibility
     // rules as discussed in the manual. The idea is that a JSON
     // structure created manually in qpdf.cc doubles as both JSON help
     // information and a schema for validating the JSON that qpdf
     // generates. Any discrepancies are a bug in qpdf.
+    //
+    // Flags is a bitwise or of values from check_flags_e.
+    enum check_flags_e {
+        f_none = 0,
+        f_optional = 1 << 0,
+    };
+    QPDF_DLL
+    bool checkSchema(
+        JSON schema, unsigned long flags, std::list<std::string>& errors);
+
+    // Same as passing 0 for flags
     QPDF_DLL
     bool checkSchema(JSON schema, std::list<std::string>& errors);
 
+    // An pointer to a Reactor class can be passed to parse, which
+    // will enable the caller to react to incremental events in the
+    // construction of the JSON object. This makes it possible to
+    // implement SAX-like handling of very large JSON objects.
+    class QPDF_DLL_CLASS Reactor
+    {
+      public:
+        QPDF_DLL
+        virtual ~Reactor() = default;
+
+        // The start/end methods are called when parsing of a
+        // dictionary or array is started or ended. The item methods
+        // are called when an item is added to a dictionary or array.
+        // When adding a container to another container, the item
+        // method is called with an empty container before the lower
+        // container's start method is called. See important notes in
+        // "Item methods" below.
+
+        // During parsing of a JSON string, the parser is operating on
+        // a single object at a time. When a dictionary or array is
+        // started, a new context begins, and when that dictionary or
+        // array is ended, the previous context is resumed. So, for
+        // example, if you have `{"a": 1}`, you will receive the
+        // following method calls
+        //
+        // dictionaryStart -- current object is the top-level dictionary
+        // dictionaryItem  -- called with "a" and an empty array
+        // arrayStart      -- current object is the array
+        // arrayItem       -- called with the "1" object
+        // containerEnd    -- now current object is the dictionary again
+        // containerEnd    -- current object is undefined
+        //
+        // If the top-level item in a JSON string is a scalar, the
+        // topLevelScalar() method will be called. No argument is
+        // passed since the object is the same as what is returned by
+        // parse().
+
+        QPDF_DLL
+        virtual void dictionaryStart() = 0;
+        QPDF_DLL
+        virtual void arrayStart() = 0;
+        QPDF_DLL
+        virtual void containerEnd(JSON const& value) = 0;
+        QPDF_DLL
+        virtual void topLevelScalar() = 0;
+
+        // Item methods:
+        //
+        // The return value of the item methods indicate whether the
+        // item has been "consumed". If the item method returns true,
+        // then the item will not be added to the containing JSON
+        // object. This is what allows arbitrarily large JSON objects
+        // to be parsed and not have to be kept in memory.
+        //
+        // NOTE: When a dictionary or an array is added to a
+        // container, the dictionaryItem or arrayItem method is called
+        // when the child item's start delimiter is encountered, so
+        // the JSON object passed in at that time will always be in
+        // its initial, empty state. Additionally, the child item's
+        // start method is not called until after the parent item's
+        // item method is called. This makes it possible to keep track
+        // of the current depth level by incrementing level on start
+        // methods and decrementing on end methods.
+
+        QPDF_DLL
+        virtual bool
+        dictionaryItem(std::string const& key, JSON const& value) = 0;
+        QPDF_DLL
+        virtual bool arrayItem(JSON const& value) = 0;
+    };
+
+    // Create a JSON object from a string.
+    QPDF_DLL
+    static JSON parse(std::string const&);
+    // Create a JSON object from an input source. See above for
+    // information about how to use the Reactor.
+    QPDF_DLL
+    static JSON parse(InputSource&, Reactor* reactor = nullptr);
+
+    // parse calls setOffsets to set the inclusive start and
+    // non-inclusive end offsets of an object relative to its input
+    // string. Otherwise, both values are 0.
+    QPDF_DLL
+    void setStart(qpdf_offset_t);
+    QPDF_DLL
+    void setEnd(qpdf_offset_t);
+    QPDF_DLL
+    qpdf_offset_t getStart() const;
+    QPDF_DLL
+    qpdf_offset_t getEnd() const;
+
   private:
     static std::string encode_string(std::string const& utf8);
+    static void
+    writeClose(Pipeline* p, bool first, size_t depth, char const* delimeter);
+    static void writeIndent(Pipeline* p, size_t depth);
 
     struct JSON_value
     {
-        virtual ~JSON_value();
-        virtual std::string unparse(size_t depth) const = 0;
+        virtual ~JSON_value() = default;
+        virtual void write(Pipeline*, size_t depth) const = 0;
     };
     struct JSON_dictionary: public JSON_value
     {
-        virtual ~JSON_dictionary();
-        virtual std::string unparse(size_t depth) const;
-        std::map<std::string, PointerHolder<JSON_value> > members;
+        virtual ~JSON_dictionary() = default;
+        virtual void write(Pipeline*, size_t depth) const;
+        std::map<std::string, std::shared_ptr<JSON_value>> members;
+        std::set<std::string> parsed_keys;
     };
     struct JSON_array: public JSON_value
     {
-        virtual ~JSON_array();
-        virtual std::string unparse(size_t depth) const;
-        std::vector<PointerHolder<JSON_value> > elements;
+        virtual ~JSON_array() = default;
+        virtual void write(Pipeline*, size_t depth) const;
+        std::vector<std::shared_ptr<JSON_value>> elements;
     };
     struct JSON_string: public JSON_value
     {
         JSON_string(std::string const& utf8);
-        virtual ~JSON_string();
-        virtual std::string unparse(size_t depth) const;
+        virtual ~JSON_string() = default;
+        virtual void write(Pipeline*, size_t depth) const;
+        std::string utf8;
         std::string encoded;
     };
     struct JSON_number: public JSON_value
@@ -124,29 +371,38 @@
         JSON_number(long long val);
         JSON_number(double val);
         JSON_number(std::string const& val);
-        virtual ~JSON_number();
-        virtual std::string unparse(size_t depth) const;
+        virtual ~JSON_number() = default;
+        virtual void write(Pipeline*, size_t depth) const;
         std::string encoded;
     };
     struct JSON_bool: public JSON_value
     {
         JSON_bool(bool val);
-        virtual ~JSON_bool();
-        virtual std::string unparse(size_t depth) const;
+        virtual ~JSON_bool() = default;
+        virtual void write(Pipeline*, size_t depth) const;
         bool value;
     };
     struct JSON_null: public JSON_value
     {
-        virtual ~JSON_null();
-        virtual std::string unparse(size_t depth) const;
+        virtual ~JSON_null() = default;
+        virtual void write(Pipeline*, size_t depth) const;
+    };
+    struct JSON_blob: public JSON_value
+    {
+        JSON_blob(std::function<void(Pipeline*)> fn);
+        virtual ~JSON_blob() = default;
+        virtual void write(Pipeline*, size_t depth) const;
+        std::function<void(Pipeline*)> fn;
     };
 
-    JSON(PointerHolder<JSON_value>);
+    JSON(std::shared_ptr<JSON_value>);
 
-    static bool
-    checkSchemaInternal(JSON_value* this_v, JSON_value* sch_v,
-                        std::list<std::string>& errors,
-                        std::string prefix);
+    static bool checkSchemaInternal(
+        JSON_value* this_v,
+        JSON_value* sch_v,
+        unsigned long flags,
+        std::list<std::string>& errors,
+        std::string prefix);
 
     class Members
     {
@@ -154,17 +410,19 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members(PointerHolder<JSON_value>);
-        Members(Members const&);
+        Members(std::shared_ptr<JSON_value>);
+        Members(Members const&) = delete;
 
-        PointerHolder<JSON_value> value;
+        std::shared_ptr<JSON_value> value;
+        // start and end are only populated for objects created by parse
+        qpdf_offset_t start;
+        qpdf_offset_t end;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
-
 #endif // JSON_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/PDFVersion.hh Added

@@ -0,0 +1,75 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+// This class implements a simple writer for saving QPDF objects to
+// new PDF files.  See comments through the header file for additional
+// details.
+
+#ifndef PDFVERSION_HH
+#define PDFVERSION_HH
+
+#include <qpdf/DLL.h>
+#include <string>
+
+class PDFVersion
+{
+  public:
+    // Represent a PDF version. PDF versions are typically
+    // major.minor, but PDF 1.7 has several extension levels as the
+    // ISO 32000 spec was in progress. This class helps with
+    // comparison of versions.
+    QPDF_DLL
+    PDFVersion();
+    QPDF_DLL
+    PDFVersion(PDFVersion const&) = default;
+    QPDF_DLL
+    PDFVersion& operator=(PDFVersion const&) = default;
+    QPDF_DLL
+    PDFVersion(int major, int minor, int extension = 0);
+    QPDF_DLL
+    bool operator<(PDFVersion const& rhs) const;
+    QPDF_DLL
+    bool operator==(PDFVersion const& rhs) const;
+
+    // Replace this version with the other one if the other one is
+    // greater.
+    QPDF_DLL
+    void updateIfGreater(PDFVersion const& other);
+
+    // Initialize a string and integer suitable for passing to
+    // QPDFWriter::setMinimumPDFVersion or QPDFWriter::forcePDFVersion.
+    QPDF_DLL
+    void getVersion(std::string& version, int& extension_level) const;
+
+    QPDF_DLL
+    int getMajor() const;
+    QPDF_DLL
+    int getMinor() const;
+    QPDF_DLL
+    int getExtensionLevel() const;
+
+  private:
+    int major_version;
+    int minor_version;
+    int extension_level;
+};
+
+#endif // PDFVERSION_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pipeline.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pipeline.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -45,39 +45,78 @@
 #define PIPELINE_HH
 
 #include <qpdf/DLL.h>
+#include <qpdf/PointerHolder.hh>
+
+#include <memory>
 #include <string>
 
-class Pipeline
+// Remember to use QPDF_DLL_CLASS on anything derived from Pipeline so
+// it will work with dynamic_cast across the shared object boundary.
+class QPDF_DLL_CLASS Pipeline
 {
   public:
     QPDF_DLL
     Pipeline(char const* identifier, Pipeline* next);
 
     QPDF_DLL
-    virtual ~Pipeline();
+    virtual ~Pipeline() = default;
 
     // Subclasses should implement write and finish to do their jobs
     // and then, if they are not end-of-line pipelines, call
-    // getNext()->write or getNext()->finish.  It would be really nice
-    // if write could take unsigned char const*, but this would make
-    // it much more difficult to write pipelines around legacy
-    // interfaces whose calls don't want pointers to const data.  As a
-    // rule, pipelines should generally not be modifying the data
-    // passed to them.  They should, instead, create new data to pass
-    // downstream.
+    // getNext()->write or getNext()->finish.
     QPDF_DLL
-    virtual void write(unsigned char* data, size_t len) = 0;
+    virtual void write(unsigned char const* data, size_t len) = 0;
     QPDF_DLL
     virtual void finish() = 0;
+    QPDF_DLL
+    std::string getIdentifier() const;
+
+    // These are convenience methods for making it easier to write
+    // certain other types of data to pipelines without having to
+    // cast. The methods that take char const* expect null-terminated
+    // C strings and do not write the null terminators.
+    QPDF_DLL
+    void writeCStr(char const* cstr);
+    QPDF_DLL
+    void writeString(std::string const&);
+    // This allows *p << "x" << "y" but is not intended to be a
+    // general purpose << compatible with ostream and does not have
+    // local awareness or the ability to be "imbued" with properties.
+    QPDF_DLL
+    Pipeline& operator<<(char const* cstr);
+    QPDF_DLL
+    Pipeline& operator<<(std::string const&);
+    // Calls QUtil::int_to_string
+    QPDF_DLL
+    Pipeline& operator<<(short);
+    QPDF_DLL
+    Pipeline& operator<<(int);
+    QPDF_DLL
+    Pipeline& operator<<(long);
+    QPDF_DLL
+    Pipeline& operator<<(long long);
+    // Calls QUtil::uint_to_string
+    QPDF_DLL
+    Pipeline& operator<<(unsigned short);
+    QPDF_DLL
+    Pipeline& operator<<(unsigned int);
+    QPDF_DLL
+    Pipeline& operator<<(unsigned long);
+    QPDF_DLL
+    Pipeline& operator<<(unsigned long long);
+
+    // Overloaded write to reduce casting
+    QPDF_DLL
+    void write(char const* data, size_t len);
 
   protected:
+    QPDF_DLL
     Pipeline* getNext(bool allow_null = false);
     std::string identifier;
 
   private:
-    // Do not implement copy or assign
-    Pipeline(Pipeline const&);
-    Pipeline& operator=(Pipeline const&);
+    Pipeline(Pipeline const&) = delete;
+    Pipeline& operator=(Pipeline const&) = delete;
 
     Pipeline* next;
 };

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_Buffer.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_Buffer.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -33,12 +33,13 @@
 // For this pipeline, "next" may be null.  If a next pointer is
 // provided, this pipeline will also pass the data through to it.
 
+#include <qpdf/Buffer.hh>
 #include <qpdf/Pipeline.hh>
 #include <qpdf/PointerHolder.hh>
-#include <qpdf/Buffer.hh>
-#include <list>
 
-class Pl_Buffer: public Pipeline
+#include <memory>
+
+class QPDF_DLL_CLASS Pl_Buffer: public Pipeline
 {
   public:
     QPDF_DLL
@@ -46,20 +47,48 @@
     QPDF_DLL
     virtual ~Pl_Buffer();
     QPDF_DLL
-    virtual void write(unsigned char*, size_t);
+    virtual void write(unsigned char const*, size_t);
     QPDF_DLL
     virtual void finish();
 
     // Each call to getBuffer() resets this object -- see notes above.
     // The caller is responsible for deleting the returned Buffer
-    // object.
+    // object. See also getBufferSharedPointer() and getMallocBuffer().
     QPDF_DLL
     Buffer* getBuffer();
 
+    // Same as getBuffer but wraps the result in a shared pointer.
+    QPDF_DLL
+    std::shared_ptr<Buffer> getBufferSharedPointer();
+
+    // getMallocBuffer behaves in the same was as getBuffer except the
+    // buffer is allocated with malloc(), making it suitable for use
+    // when calling from other languages. If there is no data, *buf is
+    // set to a null pointer and *len is set to 0. Otherwise, *buf is
+    // a buffer of size *len allocated with malloc(). It is the
+    // caller's responsibility to call free() on the buffer.
+    QPDF_DLL
+    void getMallocBuffer(unsigned char** buf, size_t* len);
+
   private:
-    bool ready;
-    std::list<PointerHolder<Buffer> > data;
-    size_t total_size;
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_Buffer;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members();
+        Members(Members const&) = delete;
+
+        bool ready;
+        std::shared_ptr<Buffer> data;
+        size_t total_size;
+    };
+
+    std::shared_ptr<Members> m;
 };
 
 #endif // PL_BUFFER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_Concatenate.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_Concatenate.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_Count.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_Count.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -25,10 +25,10 @@
 // This pipeline is reusable; i.e., it is safe to call write() after
 // calling finish().
 
-#include <qpdf/Types.h>
 #include <qpdf/Pipeline.hh>
+#include <qpdf/Types.h>
 
-class Pl_Count: public Pipeline
+class QPDF_DLL_CLASS Pl_Count: public Pipeline
 {
   public:
     QPDF_DLL
@@ -36,7 +36,7 @@
     QPDF_DLL
     virtual ~Pl_Count();
     QPDF_DLL
-    virtual void write(unsigned char*, size_t);
+    virtual void write(unsigned char const*, size_t);
     QPDF_DLL
     virtual void finish();
     // Returns the number of bytes written
@@ -48,8 +48,25 @@
     unsigned char getLastChar() const;
 
   private:
-    qpdf_offset_t count;
-    unsigned char last_char;
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_Count;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members();
+        Members(Members const&) = delete;
+
+        // Must be qpdf_offset_t, not size_t, to handle writing more than
+        // size_t can handle.
+        qpdf_offset_t count;
+        unsigned char last_char;
+    };
+
+    std::shared_ptr<Members> m;
 };
 
 #endif // PL_COUNT_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_DCT.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_DCT.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -23,62 +23,90 @@
 #define PL_DCT_HH
 
 #include <qpdf/Pipeline.hh>
+
 #include <qpdf/Pl_Buffer.hh>
+#include <cstddef>
+
+// jpeglib.h must be included after cstddef or else it messes up the
+// definition of size_t.
 #include <jpeglib.h>
 
-class Pl_DCT: public Pipeline
+class QPDF_DLL_CLASS Pl_DCT: public Pipeline
 {
   public:
     // Constructor for decompressing image data
     QPDF_DLL
     Pl_DCT(char const* identifier, Pipeline* next);
 
-    class CompressConfig
+    class QPDF_DLL_CLASS CompressConfig
     {
       public:
-        CompressConfig()
-        {
-        }
-        virtual ~CompressConfig()
-        {
-        }
+        QPDF_DLL
+        CompressConfig() = default;
+        QPDF_DLL
+        virtual ~CompressConfig() = default;
         virtual void apply(jpeg_compress_struct*) = 0;
     };
 
     // Constructor for compressing image data
     QPDF_DLL
-    Pl_DCT(char const* identifier, Pipeline* next,
-           JDIMENSION image_width,
-           JDIMENSION image_height,
-           int components,
-           J_COLOR_SPACE color_space,
-           CompressConfig* config_callback = 0);
+    Pl_DCT(
+        char const* identifier,
+        Pipeline* next,
+        JDIMENSION image_width,
+        JDIMENSION image_height,
+        int components,
+        J_COLOR_SPACE color_space,
+        CompressConfig* config_callback = 0);
 
     QPDF_DLL
     virtual ~Pl_DCT();
 
     QPDF_DLL
-    virtual void write(unsigned char* data, size_t len);
+    virtual void write(unsigned char const* data, size_t len);
     QPDF_DLL
     virtual void finish();
 
   private:
+    QPDF_DLL_PRIVATE
     void compress(void* cinfo, Buffer*);
+    QPDF_DLL_PRIVATE
     void decompress(void* cinfo, Buffer*);
 
     enum action_e { a_compress, a_decompress };
 
-    action_e action;
-    Pl_Buffer buf;
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_DCT;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members(
+            action_e action,
+            char const* buf_description,
+            JDIMENSION image_width = 0,
+            JDIMENSION image_height = 0,
+            int components = 1,
+            J_COLOR_SPACE color_space = JCS_GRAYSCALE,
+            CompressConfig* config_callback = 0);
+        Members(Members const&) = delete;
 
-    // Used for compression
-    JDIMENSION image_width;
-    JDIMENSION image_height;
-    int components;
-    J_COLOR_SPACE color_space;
+        action_e action;
+        Pl_Buffer buf;
 
-    CompressConfig* config_callback;
+        // Used for compression
+        JDIMENSION image_width;
+        JDIMENSION image_height;
+        int components;
+        J_COLOR_SPACE color_space;
+
+        CompressConfig* config_callback;
+    };
 
+    std::shared_ptr<Members> m;
 };
 
 #endif // PL_DCT_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_Discard.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_Discard.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_Flate.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_Flate.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -23,34 +23,74 @@
 #define PL_FLATE_HH
 
 #include <qpdf/Pipeline.hh>
+#include <functional>
+#include <memory>
 
-class Pl_Flate: public Pipeline
+class QPDF_DLL_CLASS Pl_Flate: public Pipeline
 {
   public:
-    static int const def_bufsize = 65536;
+    static unsigned int const def_bufsize = 65536;
 
     enum action_e { a_inflate, a_deflate };
 
     QPDF_DLL
-    Pl_Flate(char const* identifier, Pipeline* next,
-	     action_e action, int out_bufsize = def_bufsize);
+    Pl_Flate(
+        char const* identifier,
+        Pipeline* next,
+        action_e action,
+        unsigned int out_bufsize = def_bufsize);
     QPDF_DLL
     virtual ~Pl_Flate();
 
     QPDF_DLL
-    virtual void write(unsigned char* data, size_t len);
+    virtual void write(unsigned char const* data, size_t len);
     QPDF_DLL
     virtual void finish();
 
+    // Globally set compression level from 1 (fastest, least
+    // compression) to 9 (slowest, most compression). Use -1 to set
+    // the default compression level. This is passed directly to zlib.
+    // This method returns a pointer to the current Pl_Flate object so
+    // you can create a pipeline with
+    // Pl_Flate(...)->setCompressionLevel(...)
+    QPDF_DLL
+    static void setCompressionLevel(int);
+
+    QPDF_DLL
+    void setWarnCallback(std::function<void(char const*, int)> callback);
+
   private:
-    void handleData(unsigned char* data, int len, int flush);
+    QPDF_DLL_PRIVATE
+    void handleData(unsigned char const* data, size_t len, int flush);
+    QPDF_DLL_PRIVATE
     void checkError(char const* prefix, int error_code);
+    QPDF_DLL_PRIVATE
+    void warn(char const*, int error_code);
+
+    QPDF_DLL_PRIVATE
+    static int compression_level;
+
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_Flate;
+
+      public:
+        QPDF_DLL
+        ~Members();
+
+      private:
+        Members(size_t out_bufsize, action_e action);
+        Members(Members const&) = delete;
+
+        std::shared_ptr<unsigned char> outbuf;
+        size_t out_bufsize;
+        action_e action;
+        bool initialized;
+        void* zdata;
+        std::function<void(char const*, int)> callback;
+    };
 
-    unsigned char* outbuf;
-    int out_bufsize;
-    action_e action;
-    bool initialized;
-    void* zdata;
+    std::shared_ptr<Members> m;
 };
 
 #endif // PL_FLATE_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_Function.hh Added

@@ -0,0 +1,94 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef PL_FUNCTION_HH
+#define PL_FUNCTION_HH
+
+// This pipeline calls an arbitrary function with whatever data is
+// passed to it. This pipeline can be reused.
+//
+// For this pipeline, "next" may be null. If a next pointer is
+// provided, this pipeline will also pass the data through to it and
+// will forward finish() to it.
+//
+// It is okay to not call finish() on this pipeline if it has no
+// "next".
+//
+// It is okay to keep calling write() after a previous write throws an
+// exception as long as the delegated function allows it.
+
+#include <qpdf/Pipeline.hh>
+
+#include <functional>
+
+class QPDF_DLL_CLASS Pl_Function: public Pipeline
+{
+  public:
+    typedef std::function<void(unsigned char const*, size_t)> writer_t;
+
+    // The supplied function is called every time write is called.
+    QPDF_DLL
+    Pl_Function(char const* identifier, Pipeline* next, writer_t fn);
+
+    // The supplied C-style function is called every time write is
+    // called. The udata option is passed into the function with each
+    // call. If the function returns a non-zero value, a runtime error
+    // is thrown.
+    typedef int (*writer_c_t)(unsigned char const*, size_t, void*);
+    QPDF_DLL
+    Pl_Function(
+        char const* identifier, Pipeline* next, writer_c_t fn, void* udata);
+    typedef int (*writer_c_char_t)(char const*, size_t, void*);
+    QPDF_DLL
+    Pl_Function(
+        char const* identifier,
+        Pipeline* next,
+        writer_c_char_t fn,
+        void* udata);
+
+    QPDF_DLL
+    virtual ~Pl_Function();
+
+    QPDF_DLL
+    virtual void write(unsigned char const* buf, size_t len);
+    QPDF_DLL
+    virtual void finish();
+
+  private:
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_Function;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members(writer_t);
+        Members(Members const&) = delete;
+
+        writer_t fn;
+    };
+
+    std::shared_ptr<Members> m;
+};
+
+#endif // PL_FUNCTION_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_OStream.hh Added

@@ -0,0 +1,69 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+// End-of-line pipeline that simply writes its data to a stdio FILE* object.
+
+#ifndef PL_OSTREAM_HH
+#define PL_OSTREAM_HH
+
+#include <qpdf/Pipeline.hh>
+
+#include <iostream>
+
+//
+// This pipeline is reusable.
+//
+
+class QPDF_DLL_CLASS Pl_OStream: public Pipeline
+{
+  public:
+    // os is externally maintained; this class just writes to and
+    // flushes it.  It does not close it.
+    QPDF_DLL
+    Pl_OStream(char const* identifier, std::ostream& os);
+    QPDF_DLL
+    virtual ~Pl_OStream();
+
+    QPDF_DLL
+    virtual void write(unsigned char const* buf, size_t len);
+    QPDF_DLL
+    virtual void finish();
+
+  private:
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_OStream;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members(std::ostream&);
+        Members(Members const&) = delete;
+
+        std::ostream& os;
+    };
+
+    std::shared_ptr<Members> m;
+};
+
+#endif // PL_OSTREAM_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_QPDFTokenizer.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_QPDFTokenizer.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -24,10 +24,12 @@
 
 #include <qpdf/Pipeline.hh>
 
-#include <qpdf/QPDFTokenizer.hh>
+#include <qpdf/Pl_Buffer.hh>
 #include <qpdf/PointerHolder.hh>
 #include <qpdf/QPDFObjectHandle.hh>
-#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/QPDFTokenizer.hh>
+
+#include <memory>
 
 // Tokenize the incoming text using QPDFTokenizer and pass the tokens
 // in turn to a QPDFObjectHandle::TokenFilter object. All bytes of
@@ -39,41 +41,42 @@
 // QPDFObjectHandle::addTokenFilter. See QPDFObjectHandle.hh for
 // details.
 
-class Pl_QPDFTokenizer: public Pipeline
+class QPDF_DLL_CLASS Pl_QPDFTokenizer: public Pipeline
 {
   public:
     // Whatever pipeline is provided as "next" will be set as the
     // pipeline that the token filter writes to. If next is not
     // provided, any output written by the filter will be discarded.
     QPDF_DLL
-    Pl_QPDFTokenizer(char const* identifier,
-                     QPDFObjectHandle::TokenFilter* filter,
-                     Pipeline* next = 0);
+    Pl_QPDFTokenizer(
+        char const* identifier,
+        QPDFObjectHandle::TokenFilter* filter,
+        Pipeline* next = 0);
     QPDF_DLL
     virtual ~Pl_QPDFTokenizer();
     QPDF_DLL
-    virtual void write(unsigned char* buf, size_t len);
+    virtual void write(unsigned char const* buf, size_t len);
     QPDF_DLL
     virtual void finish();
 
   private:
-    class Members
+    class QPDF_DLL_PRIVATE Members
     {
         friend class Pl_QPDFTokenizer;
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
         Members();
-        Members(Members const&);
+        Members(Members const&) = delete;
 
         QPDFObjectHandle::TokenFilter* filter;
         QPDFTokenizer tokenizer;
         Pl_Buffer buf;
     };
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // PL_QPDFTOKENIZER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_RunLength.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_RunLength.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -24,33 +24,50 @@
 
 #include <qpdf/Pipeline.hh>
 
-class Pl_RunLength: public Pipeline
+class QPDF_DLL_CLASS Pl_RunLength: public Pipeline
 {
   public:
     enum action_e { a_encode, a_decode };
 
     QPDF_DLL
-    Pl_RunLength(char const* identifier, Pipeline* next,
-                 action_e action);
+    Pl_RunLength(char const* identifier, Pipeline* next, action_e action);
     QPDF_DLL
     virtual ~Pl_RunLength();
 
     QPDF_DLL
-    virtual void write(unsigned char* data, size_t len);
+    virtual void write(unsigned char const* data, size_t len);
     QPDF_DLL
     virtual void finish();
 
   private:
-    void encode(unsigned char* data, size_t len);
-    void decode(unsigned char* data, size_t len);
+    QPDF_DLL_PRIVATE
+    void encode(unsigned char const* data, size_t len);
+    QPDF_DLL_PRIVATE
+    void decode(unsigned char const* data, size_t len);
+    QPDF_DLL_PRIVATE
     void flush_encode();
 
     enum state_e { st_top, st_copying, st_run };
 
-    action_e action;
-    state_e state;
-    unsigned char buf128;
-    unsigned int length;
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_RunLength;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members(action_e);
+        Members(Members const&) = delete;
+
+        action_e action;
+        state_e state;
+        unsigned char buf128;
+        unsigned int length;
+    };
+
+    std::shared_ptr<Members> m;
 };
 
 #endif // PL_RUNLENGTH_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Pl_StdioFile.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_StdioFile.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Pl_String.hh Added

@@ -0,0 +1,75 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef PL_STRING_HH
+#define PL_STRING_HH
+
+// This pipeline accumulates the data passed to it into a std::string,
+// a reference to which is passed in at construction. Each subsequent
+// use of this pipeline appends to the data accumulated so far.
+//
+// For this pipeline, "next" may be null. If a next pointer is
+// provided, this pipeline will also pass the data through to it and
+// will forward finish() to it.
+//
+// It is okay to not call finish() on this pipeline if it has no
+// "next". This makes it easy to stick this in front of another
+// pipeline to capture data that is written to the other pipeline
+// without interfering with when finish is called on the other
+// pipeline and without having to put a Pl_Concatenate after it.
+
+#include <qpdf/Pipeline.hh>
+
+#include <string>
+
+class QPDF_DLL_CLASS Pl_String: public Pipeline
+{
+  public:
+    QPDF_DLL
+    Pl_String(char const* identifier, Pipeline* next, std::string& s);
+    QPDF_DLL
+    virtual ~Pl_String();
+
+    QPDF_DLL
+    virtual void write(unsigned char const* buf, size_t len);
+    QPDF_DLL
+    virtual void finish();
+
+  private:
+    class QPDF_DLL_PRIVATE Members
+    {
+        friend class Pl_String;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members(std::string&);
+        Members(Members const&) = delete;
+
+        std::string& s;
+    };
+
+    std::shared_ptr<Members> m;
+};
+
+#endif // PL_STRING_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/PointerHolder.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/PointerHolder.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,164 +22,224 @@
 #ifndef POINTERHOLDER_HH
 #define POINTERHOLDER_HH
 
-// This class is basically boost::shared_pointer but predates that by
-// several years.
-
-// This class expects to be initialized with a dynamically allocated
-// object pointer.  It keeps a reference count and deletes this once
-// the reference count goes to zero.  PointerHolder objects are
-// explicitly safe for use in STL containers.
-
-// It is very important that a client who pulls the pointer out of
-// this holder does not let the holder go out of scope until it is
-// finished with the pointer.  It is also important that exactly one
-// instance of this object ever gets initialized with a given pointer.
-// Otherwise, the pointer will be deleted twice, and before that, some
-// objects will be left with a pointer to a deleted object.  In other
-// words, the only legitimate way for two PointerHolder objects to
-// contain the same pointer is for one to be a copy of the other.
-// Copy and assignment semantics are well-defined and essentially
-// allow you to use PointerHolder as a means to get pass-by-reference
-// semantics in a pass-by-value environment without having to worry
-// about memory management details.
-
-// Comparison (== and <) are defined and operate on the internally
-// stored pointers, not on the data.  This makes it possible to store
-// PointerHolder objects in sorted lists or to find them in STL
-// containers just as one would be able to store pointers.  Comparing
-// the underlying pointers provides a well-defined, if not
-// particularly meaningful, ordering.
+#define POINTERHOLDER_IS_SHARED_POINTER
+
+#ifndef POINTERHOLDER_TRANSITION
+
+// #define POINTERHOLDER_TRANSITION 0 to suppress this warning, and see below.
+// See also https://qpdf.readthedocs.io/en/stable/design.html#smart-pointers
+# warning "POINTERHOLDER_TRANSITION is not defined -- see qpdf/PointerHolder.hh"
+
+// undefined = define as 0 and issue a warning
+// 0 = no deprecation warnings, backward-compatible API
+// 1 = make PointerHolder<T>(T*) explicit
+// 2 = warn for use of getPointer() and getRefcount()
+// 3 = warn for all use of PointerHolder
+// 4 = don't define PointerHolder at all
+# define POINTERHOLDER_TRANSITION 0
+#endif // !defined(POINTERHOLDER_TRANSITION)
+
+#if POINTERHOLDER_TRANSITION < 4
+
+// *** WHAT IS HAPPENING ***
+
+// In qpdf 11, PointerHolder was replaced with std::shared_ptr
+// wherever it appeared in the qpdf API. The PointerHolder object is
+// now derived from std::shared_ptr to provide a backward-compatible
+// interface and is mutually assignable with std::shared_ptr. Code
+// that uses containers of PointerHolder will require adjustment.
+
+// *** HOW TO TRANSITION ***
+
+// The symbol POINTERHOLDER_TRANSITION can be defined to help you
+// transition your code away from PointerHolder. You can define it
+// before including any qpdf header files or including its definition
+// in your build configuration. If not defined, it automatically gets
+// defined to 0 (with a warning), which enables full backward
+// compatibility. That way, you don't have to take action for your
+// code to continue to work.
+
+// If you want to work gradually to transition your code away from
+// PointerHolder, you can define POINTERHOLDER_TRANSITION and fix the
+// code so it compiles without warnings and works correctly. If you
+// want to be able to continue to support old qpdf versions at the
+// same time, you can write code like this:
+
+// #ifndef POINTERHOLDER_IS_SHARED_POINTER
+//  ... use PointerHolder as before 10.6
+// #else
+//  ... use PointerHolder or shared_ptr as needed
+// #endif
+
+// Each level of POINTERHOLDER_TRANSITION exposes differences between
+// PointerHolder and std::shared_ptr. The easiest way to transition is
+// to increase POINTERHOLDER_TRANSITION in steps of 1 so that you can
+// test and handle changes incrementally.
+
+// POINTERHOLDER_TRANSITION = 1
+//
+// PointerHolder<T> has an implicit constructor that takes a T*, so
+// you can replace a PointerHolder<T>'s pointer by directly assigning
+// a T* to it or pass a T* to a function that expects a
+// PointerHolder<T>. std::shared_ptr does not have this (risky)
+// behavior. When POINTERHOLDER_TRANSITION = 1, PointerHolder<T>'s T*
+// constructor is declared explicit. For compatibility with
+// std::shared_ptr, you can still assign nullptr to a PointerHolder.
+// Constructing all your PointerHolder<T> instances explicitly is
+// backward compatible, so you can make this change without
+// conditional compilation and still use the changes with older qpdf
+// versions.
+//
+// Also defined is a make_pointer_holder method that acts like
+// std::make_shared. You can use this as well, but it is not
+// compatible with qpdf prior to 10.6 and not necessary with qpdf
+// newer than 10.6.3. Like std::make_shared<T>, make_pointer_holder<T>
+// can only be used when the constructor implied by its arguments is
+// public. If you previously used this, you can replace it width
+// std::make_shared now.
+
+// POINTERHOLDER_TRANSITION = 2
+//
+// std::shared_ptr has get() and use_count(). PointerHolder has
+// getPointer() and getRefcount(). In 10.6.0, get() and use_count()
+// were added as well. When POINTERHOLDER_TRANSITION = 2, getPointer()
+// and getRefcount() are deprecated. Fix deprecation warnings by
+// replacing with get() and use_count(). This breaks compatibility
+// with qpdf older than 10.6. Search for CONST BEHAVIOR for an
+// additional note.
+//
+// Once your code is clean at POINTERHOLDER_TRANSITION = 2, the only
+// remaining issues that prevent simple replacement of PointerHolder
+// with std::shared_ptr are shared arrays and containers, and neither
+// of these are used in the qpdf API.
+
+// POINTERHOLDER_TRANSITION = 3
+//
+// Warn for all use of PointerHolder<T>. This helps you remove all use
+// of PointerHolder from your code and use std::shared_ptr instead.
+// You will also have to transition any containers of PointerHolder in
+// your code.
+
+// POINTERHOLDER_TRANSITION = 4
+//
+// Suppress definition of the PointerHolder<T> type entirely.
+
+// CONST BEHAVIOR
+
+// PointerHolder<T> has had a long-standing bug in its const behavior.
+// const PointerHolder<T>'s getPointer() method returns a T const*.
+// This is incorrect and is not how regular pointers or standard
+// library smart pointers behave. Making a PointerHolder<T> const
+// should prevent reassignment of its pointer but not affect the thing
+// it points to. For that, use PointerHolder<T const>. The new get()
+// method behaves correctly in this respect and is therefore slightly
+// different from getPointer(). This shouldn't break any correctly
+// written code. If you are relying on the incorrect behavior, use
+// PointerHolder<T const> instead.
+
+# include <cstddef>
+# include <memory>
 
 template <class T>
-class PointerHolder
+class PointerHolder: public std::shared_ptr<T>
 {
-  private:
-    class Data
-    {
-      public:
-	Data(T* pointer, bool array) :
-	    pointer(pointer),
-	    array(array),
-	    refcount(0)
-	    {
-	    }
-	~Data()
-	    {
-		if (array)
-		{
-		    delete  this->pointer;
-		}
-		else
-		{
-		    delete this->pointer;
-		}
-	    }
-	T* pointer;
-	bool array;
-	int refcount;
-      private:
-	Data(Data const&);
-	Data& operator=(Data const&);
-    };
-
   public:
-    PointerHolder(T* pointer = 0)
-	{
-	    this->init(new Data(pointer, false));
-	}
-    // Special constructor indicating to free memory with delete 
-    // instead of delete
-    PointerHolder(bool, T* pointer)
-	{
-	    this->init(new Data(pointer, true));
-	}
-    PointerHolder(PointerHolder const& rhs)
-	{
-	    this->copy(rhs);
-	}
-    PointerHolder& operator=(PointerHolder const& rhs)
-	{
-	    if (this != &rhs)
-	    {
-		this->destroy();
-		this->copy(rhs);
-	    }
-	    return *this;
-	}
-    ~PointerHolder()
-	{
-	    this->destroy();
-	}
-    bool operator==(PointerHolder const& rhs) const
+# if POINTERHOLDER_TRANSITION >= 3
+    deprecated("use std::shared_ptr<T> instead")
+# endif // POINTERHOLDER_TRANSITION >= 3
+    PointerHolder(std::shared_ptr<T> other) :
+        std::shared_ptr<T>(other)
     {
-	return this->data->pointer == rhs.data->pointer;
     }
-    bool operator<(PointerHolder const& rhs) const
+# if POINTERHOLDER_TRANSITION >= 3
+    deprecated("use std::shared_ptr<T> instead")
+#  if POINTERHOLDER_TRANSITION >= 1
+    explicit
+#  endif // POINTERHOLDER_TRANSITION >= 1
+# endif  // POINTERHOLDER_TRANSITION >= 3
+        PointerHolder(T* pointer = 0) :
+        std::shared_ptr<T>(pointer)
     {
-	return this->data->pointer < rhs.data->pointer;
     }
+    // Create a shared pointer to an array
+# if POINTERHOLDER_TRANSITION >= 3
+    deprecated("use std::shared_ptr<T> instead")
+# endif // POINTERHOLDER_TRANSITION >= 3
+    PointerHolder(bool, T* pointer) :
+        std::shared_ptr<T>(pointer, std::default_delete<T>())
+    {
+    }
+
+    virtual ~PointerHolder() = default;
 
-    // NOTE: The pointer returned by getPointer turns into a pumpkin
-    // when the last PointerHolder that contains it disappears.
-    T* getPointer()
-	{
-	    return this->data->pointer;
-	}
-    T const* getPointer() const
-	{
-	    return this->data->pointer;
-	}
-    int getRefcount() const
-	{
-	    return this->data->refcount;
-	}
-
-    T const& operator*() const
+# if POINTERHOLDER_TRANSITION >= 2
+    deprecated("use PointerHolder<T>::get() instead of getPointer()")
+# endif // POINTERHOLDER_TRANSITION >= 2
+    T*
+    getPointer()
     {
-        return *this->data->pointer;
+        return this->get();
     }
-    T& operator*()
+# if POINTERHOLDER_TRANSITION >= 2
+    deprecated("use PointerHolder<T>::get() instead of getPointer()")
+# endif // POINTERHOLDER_TRANSITION >= 2
+    T const*
+    getPointer() const
+    {
+        return this->get();
+    }
+
+# if POINTERHOLDER_TRANSITION >= 2
+    deprecated("use PointerHolder<T>::get() instead of getPointer()")
+# endif // POINTERHOLDER_TRANSITION >= 2
+    int
+    getRefcount() const
     {
-        return *this->data->pointer;
+        return static_cast<int>(this->use_count());
     }
 
-    T const* operator->() const
+    PointerHolder&
+    operator=(decltype(nullptr))
     {
-        return this->data->pointer;
+        std::shared_ptr<T>::operator=(nullptr);
+        return *this;
     }
-    T* operator->()
+    T const&
+    operator*() const
     {
-        return this->data->pointer;
+        return *(this->get());
+    }
+    T&
+    operator*()
+    {
+        return *(this->get());
     }
 
-  private:
-    void init(Data* data)
-	{
-	    this->data = data;
-	    {
-		++this->data->refcount;
-	    }
-	}
-    void copy(PointerHolder const& rhs)
-	{
-	    this->init(rhs.data);
-	}
-    void destroy()
-	{
-	    bool gone = false;
-	    {
-		if (--this->data->refcount == 0)
-		{
-		    gone = true;
-		}
-	    }
-	    if (gone)
-	    {
-		delete this->data;
-	    }
-	}
-
-    Data* data;
+    T const*
+    operator->() const
+    {
+        return this->get();
+    }
+    T*
+    operator->()
+    {
+        return this->get();
+    }
 };
 
+template <typename T, typename... _Args>
+inline PointerHolder<T>
+make_pointer_holder(_Args&&... __args)
+{
+    return PointerHolder<T>(new T(__args...));
+}
+
+template <typename T>
+PointerHolder<T>
+make_array_pointer_holder(size_t n)
+{
+    return PointerHolder<T>(true, new Tn);
+}
+
+#endif // POINTERHOLDER_TRANSITION < 4
 #endif // POINTERHOLDER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QIntC.hh Added

@@ -0,0 +1,284 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QINTC_HH
+#define QINTC_HH
+
+#include <qpdf/DLL.h>
+#include <qpdf/Types.h>
+#include <iostream>
+#include <limits>
+#include <locale>
+#include <sstream>
+#include <stdexcept>
+#include <type_traits>
+
+// This namespace provides safe integer conversion that detects
+// overflows. It uses short, cryptic names for brevity.
+
+namespace QIntC // QIntC = qpdf Integer Conversion
+{
+    // to_u is here for backward-compatibility from before we required
+    // C++-11.
+    template <typename T>
+    class to_u
+    {
+      public:
+        typedef typename std::make_unsigned<T>::type type;
+    };
+
+    // Basic IntConverter class, which converts an integer from the
+    // From class to one of the To class if it can be done safely and
+    // throws a range_error otherwise. This class is specialized for
+    // each permutation of signed/unsigned for the From and To
+    // classes.
+    template <
+        typename From,
+        typename To,
+        bool From_signed = std::numeric_limits<From>::is_signed,
+        bool To_signed = std::numeric_limits<To>::is_signed>
+    class IntConverter
+    {
+    };
+
+    template <typename From, typename To>
+    class IntConverter<From, To, false, false>
+    {
+      public:
+        static To
+        convert(From const& i)
+        {
+            // From and To are both unsigned.
+            if (i > std::numeric_limits<To>::max()) {
+                std::ostringstream msg;
+                msg.imbue(std::locale::classic());
+                msg << "integer out of range converting " << i << " from a "
+                    << sizeof(From) << "-byte unsigned type to a " << sizeof(To)
+                    << "-byte unsigned type";
+                throw std::range_error(msg.str());
+            }
+            return static_cast<To>(i);
+        }
+    };
+
+    template <typename From, typename To>
+    class IntConverter<From, To, true, true>
+    {
+      public:
+        static To
+        convert(From const& i)
+        {
+            // From and To are both signed.
+            if ((i < std::numeric_limits<To>::min()) ||
+                (i > std::numeric_limits<To>::max())) {
+                std::ostringstream msg;
+                msg.imbue(std::locale::classic());
+                msg << "integer out of range converting " << i << " from a "
+                    << sizeof(From) << "-byte signed type to a " << sizeof(To)
+                    << "-byte signed type";
+                throw std::range_error(msg.str());
+            }
+            return static_cast<To>(i);
+        }
+    };
+
+    template <typename From, typename To>
+    class IntConverter<From, To, true, false>
+    {
+      public:
+        static To
+        convert(From const& i)
+        {
+            // From is signed, and To is unsigned. If i > 0, it's safe to
+            // convert it to the corresponding unsigned type and to
+            // compare with To's max.
+            auto ii = static_cast<typename to_u<From>::type>(i);
+            if ((i < 0) || (ii > std::numeric_limits<To>::max())) {
+                std::ostringstream msg;
+                msg.imbue(std::locale::classic());
+                msg << "integer out of range converting " << i << " from a "
+                    << sizeof(From) << "-byte signed type to a " << sizeof(To)
+                    << "-byte unsigned type";
+                throw std::range_error(msg.str());
+            }
+            return static_cast<To>(i);
+        }
+    };
+
+    template <typename From, typename To>
+    class IntConverter<From, To, false, true>
+    {
+      public:
+        static To
+        convert(From const& i)
+        {
+            // From is unsigned, and to is signed. Convert To's max to the
+            // unsigned version of To and compare i against that.
+            auto maxval = static_cast<typename to_u<To>::type>(
+                std::numeric_limits<To>::max());
+            if (i > maxval) {
+                std::ostringstream msg;
+                msg.imbue(std::locale::classic());
+                msg << "integer out of range converting " << i << " from a "
+                    << sizeof(From) << "-byte unsigned type to a " << sizeof(To)
+                    << "-byte signed type";
+                throw std::range_error(msg.str());
+            }
+            return static_cast<To>(i);
+        }
+    };
+
+    // Specific converters. The return type of each function must match
+    // the second template parameter to IntConverter.
+    template <typename T>
+    char
+    to_char(T const& i)
+    {
+        return IntConverter<T, char>::convert(i);
+    }
+
+    template <typename T>
+    unsigned char
+    to_uchar(T const& i)
+    {
+        return IntConverter<T, unsigned char>::convert(i);
+    }
+
+    template <typename T>
+    short
+    to_short(T const& i)
+    {
+        return IntConverter<T, short>::convert(i);
+    }
+
+    template <typename T>
+    unsigned short
+    to_ushort(T const& i)
+    {
+        return IntConverter<T, unsigned short>::convert(i);
+    }
+
+    template <typename T>
+    int
+    to_int(T const& i)
+    {
+        return IntConverter<T, int>::convert(i);
+    }
+
+    template <typename T>
+    unsigned int
+    to_uint(T const& i)
+    {
+        return IntConverter<T, unsigned int>::convert(i);
+    }
+
+    template <typename T>
+    size_t
+    to_size(T const& i)
+    {
+        return IntConverter<T, size_t>::convert(i);
+    }
+
+    template <typename T>
+    qpdf_offset_t
+    to_offset(T const& i)
+    {
+        return IntConverter<T, qpdf_offset_t>::convert(i);
+    }
+
+    template <typename T>
+    long
+    to_long(T const& i)
+    {
+        return IntConverter<T, long>::convert(i);
+    }
+
+    template <typename T>
+    unsigned long
+    to_ulong(T const& i)
+    {
+        return IntConverter<T, unsigned long>::convert(i);
+    }
+
+    template <typename T>
+    long long
+    to_longlong(T const& i)
+    {
+        return IntConverter<T, long long>::convert(i);
+    }
+
+    template <typename T>
+    unsigned long long
+    to_ulonglong(T const& i)
+    {
+        return IntConverter<T, unsigned long long>::convert(i);
+    }
+
+    template <typename T>
+    void
+    range_check(T const& cur, T const& delta)
+    {
+        if ((delta > 0) != (cur > 0)) {
+            return;
+        }
+
+        if ((delta > 0) && ((std::numeric_limits<T>::max() - cur) < delta)) {
+            std::ostringstream msg;
+            msg.imbue(std::locale::classic());
+            msg << "adding " << delta << " to " << cur
+                << " would cause an integer overflow";
+            throw std::range_error(msg.str());
+        } else if (
+            (delta < 0) && ((std::numeric_limits<T>::min() - cur) > delta)) {
+            std::ostringstream msg;
+            msg.imbue(std::locale::classic());
+            msg << "adding " << delta << " to " << cur
+                << " would cause an integer underflow";
+            throw std::range_error(msg.str());
+        }
+    }
+
+    template <typename T>
+    void
+    range_check_substract(T const& cur, T const& delta)
+    {
+        if ((delta >= 0) == (cur >= 0)) {
+            return;
+        }
+
+        if ((delta > 0) && ((std::numeric_limits<T>::min() + delta) > cur)) {
+            std::ostringstream msg;
+            msg.imbue(std::locale::classic());
+            msg << "subtracting " << delta << " from " << cur
+                << " would cause an integer underflow";
+            throw std::range_error(msg.str());
+        } else if (
+            (delta < 0) && ((std::numeric_limits<T>::max() + delta) < cur)) {
+            std::ostringstream msg;
+            msg.imbue(std::locale::classic());
+            msg << "subtracting " << delta << " from " << cur
+                << " would cause an integer overflow";
+            throw std::range_error(msg.str());
+        }
+    }
+}; // namespace QIntC
+
+#endif // QINTC_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDF.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDF.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -25,30 +25,37 @@
 #include <qpdf/DLL.h>
 #include <qpdf/Types.h>
 
+#include <functional>
+#include <iostream>
+#include <list>
+#include <map>
+#include <memory>
 #include <stdio.h>
 #include <string>
-#include <map>
-#include <list>
-#include <iostream>
 #include <vector>
 
+#include <qpdf/Buffer.hh>
+#include <qpdf/InputSource.hh>
+#include <qpdf/PDFVersion.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDFExc.hh>
-#include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QPDFObjGen.hh>
-#include <qpdf/QPDFXRefEntry.hh>
 #include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDFStreamFilter.hh>
 #include <qpdf/QPDFTokenizer.hh>
-#include <qpdf/Buffer.hh>
-#include <qpdf/InputSource.hh>
+#include <qpdf/QPDFXRefEntry.hh>
 
 class QPDF_Stream;
 class BitStream;
 class BitWriter;
+class QPDFLogger;
+class QPDFParser;
 
 class QPDF
 {
   public:
-    // Get the current version of the QPDF software
+    // Get the current version of the QPDF software. See also
+    // qpdf/DLL.h
     QPDF_DLL
     static std::string const& QPDFVersion();
 
@@ -57,6 +64,9 @@
     QPDF_DLL
     ~QPDF();
 
+    QPDF_DLL
+    static std::shared_ptr<QPDF> create();
+
     // Associate a file with a QPDF object and do initial parsing of
     // the file.  PDF objects are not read until they are needed.  A
     // QPDF object may be associated with only one file in its
@@ -81,29 +91,118 @@
     // file will be closed at the end.  Otherwise, the caller is
     // responsible for closing the file.
     QPDF_DLL
-    void processFile(char const* description, FILE* file,
-                     bool close_file, char const* password = 0);
+    void processFile(
+        char const* description,
+        FILE* file,
+        bool close_file,
+        char const* password = 0);
 
     // Parse a PDF file loaded into a memory buffer.  This works
     // exactly like processFile except that the PDF file is in memory
     // instead of on disk.  The description appears in any warning or
     // error message in place of the file name.
     QPDF_DLL
-    void processMemoryFile(char const* description,
-			   char const* buf, size_t length,
-			   char const* password = 0);
+    void processMemoryFile(
+        char const* description,
+        char const* buf,
+        size_t length,
+        char const* password = 0);
 
     // Parse a PDF file loaded from a custom InputSource.  If you have
     // your own method of retrieving a PDF file, you can subclass
     // InputSource and use this method.
     QPDF_DLL
-    void processInputSource(PointerHolder<InputSource>,
-                            char const* password = 0);
+    void
+    processInputSource(std::shared_ptr<InputSource>, char const* password = 0);
+
+    // Create a PDF from an input source that contains JSON as written
+    // by writeJSON (or qpdf --json-output, version 2 or higher). The
+    // JSON must be a complete representation of a PDF. See "qpdf
+    // JSON" in the manual for details. The input JSON may be
+    // arbitrarily large. QPDF does not load stream data into memory
+    // for more than one stream at a time, even if the stream data is
+    // specified inline.
+    QPDF_DLL
+    void createFromJSON(std::string const& json_file);
+    QPDF_DLL
+    void createFromJSON(std::shared_ptr<InputSource>);
+
+    // Update a PDF from an input source that contains JSON in the
+    // same format as is written by writeJSON (or qpdf --json-output,
+    // version 2 or higher). Objects in the PDF and not in the JSON
+    // are not modified. See "qpdf JSON" in the manual for details. As
+    // with createFromJSON, the input JSON may be arbitrarily large.
+    QPDF_DLL
+    void updateFromJSON(std::string const& json_file);
+    QPDF_DLL
+    void updateFromJSON(std::shared_ptr<InputSource>);
+
+    // Write qpdf JSON format to the pipeline "p". The only supported
+    // version is 2. The finish() method is not called on the
+    // pipeline.
+    //
+    // The decode_level parameter controls which streams are
+    // uncompressed in the JSON. Use qpdf_dl_none to preserve all
+    // stream data exactly as it appears in the input. The possible
+    // values for json_stream_data can be found in qpdf/Constants.h
+    // and correspond to the --json-stream-data command-line argument.
+    // If json_stream_data is qpdf_sj_file, file_prefix must be
+    // specified. Each stream will be written to a file whose path is
+    // constructed by appending "-nnn" to file_prefix, where "nnn" is
+    // the object number (not zero-filled). If wanted_objects is
+    // empty, write all objects. Otherwise, write only objects whose
+    // keys are in wanted_objects. Keys may be either "trailer" or of
+    // the form "obj:n n R". Invalid keys are ignored. This
+    // corresponds to the --json-object command-line argument.
+    //
+    // QPDF is efficient with regard to memory when writing, allowing
+    // you to write arbitrarily large PDF files to a pipeline. You can
+    // use a pipeline like Pl_Buffer or Pl_String to capture the JSON
+    // output in memory, but do so with caution as this will allocate
+    // enough memory to hold the entire PDF file.
+    QPDF_DLL
+    void writeJSON(
+        int version,
+        Pipeline* p,
+        qpdf_stream_decode_level_e decode_level,
+        qpdf_json_stream_data_e json_stream_data,
+        std::string const& file_prefix,
+        std::set<std::string> wanted_objects);
+
+    // This version of writeJSON enables writing only the "qpdf" key
+    // of an in-progress dictionary. If the value of "complete" is
+    // true, a complete JSON object containing only the "qpdf" key is
+    // written to the pipeline. If the value of "complete" is false,
+    // the "qpdf" key and its value are written to the pipeline
+    // assuming that a dictionary is already open. The parameter
+    // first_key indicates whether this is the first key in an
+    // in-progress dictionary. It will be set to false by writeJSON.
+    // The "qpdf" key and value are written as if at depth 1 in a
+    // prettified JSON output. Remaining arguments are the same as the
+    // above version.
+    QPDF_DLL
+    void writeJSON(
+        int version,
+        Pipeline* p,
+        bool complete,
+        bool& first_key,
+        qpdf_stream_decode_level_e decode_level,
+        qpdf_json_stream_data_e json_stream_data,
+        std::string const& file_prefix,
+        std::set<std::string> wanted_objects);
+
+    // Close or otherwise release the input source. Once this has been
+    // called, no other methods of qpdf can be called safely except
+    // for getWarnings and anyWarnings(). After this has been called,
+    // it is safe to perform operations on the input file such as
+    // deleting or renaming it.
+    QPDF_DLL
+    void closeInputSource();
 
     // For certain forensic or investigatory purposes, it may
     // sometimes be useful to specify the encryption key directly,
     // even though regular PDF applications do not provide a way to do
-    // this. calling setPasswordIsHexKey(true) before calling any of
+    // this. Calling setPasswordIsHexKey(true) before calling any of
     // the process methods will bypass the normal encryption key
     // computation or recovery mechanisms and interpret the bytes in
     // the password as a hex-encoded encryption key. Note that we
@@ -123,22 +222,46 @@
     QPDF_DLL
     void emptyPDF();
 
+    // From 10.1: register a new filter implementation for a specific
+    // stream filter. You can add your own implementations for new
+    // filter types or override existing ones provided by the library.
+    // Registered stream filters are used for decoding only as you can
+    // override encoding with stream data providers. For example, you
+    // could use this method to add support for one of the other filter
+    // types by using additional third-party libraries that qpdf does
+    // not presently use. The standard filters are implemented using
+    // QPDFStreamFilter classes.
+    QPDF_DLL
+    static void registerStreamFilter(
+        std::string const& filter_name,
+        std::function<std::shared_ptr<QPDFStreamFilter>()> factory);
+
     // Parameter settings
 
-    // By default, warning messages are issued to std::cerr and output
-    // messages printed by certain check calls are issued to
-    // std::cout.  This method allows you to specify alternative
-    // streams for this purpose.  Note that no normal QPDF operations
-    // generate output to std::cout, so for applications that just
-    // wish to avoid creating output and don't call any check
-    // functions, calling setSuppressWarnings(true) is sufficient.
-    // Applications that wish to present check or warning information
-    // to users may replace the output and error streams to capture
-    // the output and errors for other use.  A null value for either
-    // stream will cause QPDF to use std::cout or std::cerr as
-    // appropriate.
-    QPDF_DLL
-    void setOutputStreams(std::ostream* out_stream, std::ostream* err_stream);
+    // To capture or redirect output, configure the logger returned by
+    // getLogger(). By default, all QPDF and QPDFJob objects share the
+    // global logger. If you need a private logger for some reason,
+    // pass a new one to setLogger(). See comments in QPDFLogger.hh
+    // for details on configuring the logger.
+    //
+    // Note that no normal QPDF operations generate output to standard
+    // output, so for applications that just wish to avoid creating
+    // output for warnings and don't call any check functions, calling
+    // setSuppressWarnings(true) is sufficient.
+    QPDF_DLL
+    std::shared_ptr<QPDFLogger> getLogger();
+    QPDF_DLL
+    void setLogger(std::shared_ptr<QPDFLogger>);
+
+    // This deprecated method is the old way to capture output, but it
+    // didn't capture all output. See comments above for getLogger and
+    // setLogger. This will be removed in QPDF 12. For now, it
+    // configures a private logger, separating this object from the
+    // default logger, and calls setOutputStreams on that logger. See
+    // QPDFLogger.hh for additional details.
+    deprecated(
+        "configure logger from getLogger() or call setLogger()") QPDF_DLL void
+    setOutputStreams(std::ostream* out_stream, std::ostream* err_stream);
 
     // If true, ignore any cross-reference streams in a hybrid file
     // (one that contains both cross-reference streams and
@@ -149,7 +272,7 @@
 
     // By default, any warnings are issued to std::cerr or the error
     // stream specified in a call to setOutputStreams as they are
-    // encountered.  If this is called with a true value, reporting of
+    // encountered.  If this method is called with a true value, reporting of
     // warnings is suppressed.  You may still retrieve warnings by
     // calling getWarnings.
     QPDF_DLL
@@ -189,7 +312,7 @@
     // other objects, some transient and some not. Since what's
     // relevant is whether the source QPDF is transient, the method
     // must be called on the source QPDF, not the destination one.
-    // Since this method will make a copy of the stream in RAM, so be
+    // This method will make a copy of the stream in RAM, so be
     // sure you have enough memory to simultaneously hold all the
     // streams you're copying.
     QPDF_DLL
@@ -205,8 +328,18 @@
     QPDF_DLL
     std::vector<QPDFExc> getWarnings();
 
+    // Indicate whether any warnings have been issued so far. Does not
+    // clear the list of warnings.
+    QPDF_DLL
+    bool anyWarnings() const;
+
+    // Indicate the number of warnings that have been issued since the last
+    // call to getWarnings.  Does not clear the list of warnings.
+    QPDF_DLL
+    size_t numWarnings() const;
+
     // Return an application-scoped unique ID for this QPDF object.
-    // This is not a globally unique ID. It is constructing using a
+    // This is not a globally unique ID. It is constructed using a
     // timestamp and a random number and is intended to be unique
     // among QPDF objects that are created by a single run of an
     // application. While it's very likely that these are actually
@@ -215,8 +348,28 @@
     QPDF_DLL
     unsigned long long getUniqueId() const;
 
+    // Issue a warning on behalf of this QPDF object. It will be
+    // emitted with other warnings, following warning suppression
+    // rules, and it will be available with getWarnings().
+    QPDF_DLL
+    void warn(QPDFExc const& e);
+    // Same as above but creates the QPDFExc object using the
+    // arguments passed to warn. The filename argument to QPDFExc is
+    // omitted. This method uses the filename associated with the QPDF
+    // object.
+    QPDF_DLL
+    void warn(
+        qpdf_error_code_e error_code,
+        std::string const& object,
+        qpdf_offset_t offset,
+        std::string const& message);
+
     QPDF_DLL
     std::string getFilename() const;
+    // Return PDF Version and extension level together as a PDFVersion object
+    QPDF_DLL
+    PDFVersion getVersionAsPDFVersion();
+    // Return just the PDF version from the file
     QPDF_DLL
     std::string getPDFVersion() const;
     QPDF_DLL
@@ -225,53 +378,53 @@
     QPDFObjectHandle getTrailer();
     QPDF_DLL
     QPDFObjectHandle getRoot();
+    QPDF_DLL
+    std::map<QPDFObjGen, QPDFXRefEntry> getXRefTable();
 
     // Install this object handle as an indirect object and return an
     // indirect reference to it.
     QPDF_DLL
     QPDFObjectHandle makeIndirectObject(QPDFObjectHandle);
 
-    // Retrieve an object by object ID and generation.  Returns an
-    // indirect reference to it.
+    // Retrieve an object by object ID and generation. Returns an
+    // indirect reference to it. The getObject() methods were added
+    // for qpdf 11.
+    QPDF_DLL
+    QPDFObjectHandle getObject(QPDFObjGen const&);
+    QPDF_DLL
+    QPDFObjectHandle getObject(int objid, int generation);
+    // These are older methods, but there is no intention to deprecate
+    // them.
     QPDF_DLL
     QPDFObjectHandle getObjectByObjGen(QPDFObjGen const&);
     QPDF_DLL
     QPDFObjectHandle getObjectByID(int objid, int generation);
 
     // Replace the object with the given object id with the given
-    // object.  The object handle passed in must be a direct object,
+    // object. The object handle passed in must be a direct object,
     // though it may contain references to other indirect objects
-    // within it.  Calling this method can have somewhat confusing
-    // results.  Any existing QPDFObjectHandle instances that point to
-    // the old object and that have been resolved (which happens
-    // automatically if you access them in any way) will continue to
-    // point to the old object even though that object will no longer
-    // be associated with the PDF file.  Note that replacing an object
-    // with QPDFObjectHandle::newNull() effectively removes the object
-    // from the file since a non-existent object is treated as a null
-    // object.  To replace a reserved object, call replaceReserved
+    // within it. Prior to qpdf 10.2.1, after calling this method,
+    // existing QPDFObjectHandle instances that pointed to the
+    // original object still pointed to the original object, resulting
+    // in confusing and incorrect behavior. This was fixed in 10.2.1,
+    // so existing QPDFObjectHandle objects will start pointing to the
+    // newly replaced object. Note that replacing an object with
+    // QPDFObjectHandle::newNull() effectively removes the object from
+    // the file since a non-existent object is treated as a null
+    // object. To replace a reserved object, call replaceReserved
     // instead.
     QPDF_DLL
     void replaceObject(QPDFObjGen const& og, QPDFObjectHandle);
     QPDF_DLL
     void replaceObject(int objid, int generation, QPDFObjectHandle);
 
-    // Swap two objects given by ID.  Calling this method can have
-    // confusing results.  After swapping two objects, existing
-    // QPDFObjectHandle instances that reference them will still
-    // reference the same underlying objects, at which point those
-    // existing QPDFObjectHandle instances will have incorrect
-    // information about the object and generation number of those
-    // objects.  While this does not necessarily cause a problem, it
-    // can certainly be confusing.  It is therefore recommended that
-    // you replace any existing QPDFObjectHandle instances that point
-    // to the swapped objects with new ones, possibly by calling
-    // getObjectByID.
+    // Swap two objects given by ID. Prior to qpdf 10.2.1, existing
+    // QPDFObjectHandle instances that reference them objects not
+    // notice the swap, but this was fixed in 10.2.1.
     QPDF_DLL
     void swapObjects(QPDFObjGen const& og1, QPDFObjGen const& og2);
     QPDF_DLL
-    void swapObjects(int objid1, int generation1,
-		     int objid2, int generation2);
+    void swapObjects(int objid1, int generation1, int objid2, int generation2);
 
     // Replace a reserved object.  This is a wrapper around
     // replaceObject but it guarantees that the underlying object is a
@@ -279,8 +432,7 @@
     // to replacement.
     QPDF_DLL
     void
-    replaceReserved(QPDFObjectHandle reserved,
-                    QPDFObjectHandle replacement);
+    replaceReserved(QPDFObjectHandle reserved, QPDFObjectHandle replacement);
 
     // Copy an object from another QPDF to this one. Starting with
     // qpdf version 8.3.0, it is no longer necessary to keep the
@@ -315,7 +467,7 @@
     // you are going to turn into a form XObject, though you can also
     // use QPDFPageObjectHelper::getFormXObjectForPage for that
     // purpose.
-
+    //
     // When copying objects with this method, object structure will be
     // preserved, so all indirectly referenced indirect objects will
     // be copied as well.  This includes any circular references that
@@ -335,62 +487,69 @@
     class EncryptionData
     {
       public:
-
-	// This class holds data read from the encryption dictionary.
-	EncryptionData(int V, int R, int Length_bytes, int P,
-		       std::string const& O, std::string const& U,
-                       std::string const& OE, std::string const& UE,
-                       std::string const& Perms,
-		       std::string const& id1, bool encrypt_metadata) :
-	    V(V),
-	    R(R),
-	    Length_bytes(Length_bytes),
-	    P(P),
-	    O(O),
-	    U(U),
+        // This class holds data read from the encryption dictionary.
+        EncryptionData(
+            int V,
+            int R,
+            int Length_bytes,
+            int P,
+            std::string const& O,
+            std::string const& U,
+            std::string const& OE,
+            std::string const& UE,
+            std::string const& Perms,
+            std::string const& id1,
+            bool encrypt_metadata) :
+            V(V),
+            R(R),
+            Length_bytes(Length_bytes),
+            P(P),
+            O(O),
+            U(U),
             OE(OE),
             UE(UE),
             Perms(Perms),
-	    id1(id1),
-	    encrypt_metadata(encrypt_metadata)
-	{
-	}
-
-	int getV() const;
-	int getR() const;
-	int getLengthBytes() const;
-	int getP() const;
-	std::string const& getO() const;
-	std::string const& getU() const;
-	std::string const& getOE() const;
-	std::string const& getUE() const;
-	std::string const& getPerms() const;
-	std::string const& getId1() const;
-	bool getEncryptMetadata() const;
+            id1(id1),
+            encrypt_metadata(encrypt_metadata)
+        {
+        }
+
+        int getV() const;
+        int getR() const;
+        int getLengthBytes() const;
+        int getP() const;
+        std::string const& getO() const;
+        std::string const& getU() const;
+        std::string const& getOE() const;
+        std::string const& getUE() const;
+        std::string const& getPerms() const;
+        std::string const& getId1() const;
+        bool getEncryptMetadata() const;
 
         void setO(std::string const&);
         void setU(std::string const&);
-        void setV5EncryptionParameters(std::string const& O,
-                                       std::string const& OE,
-                                       std::string const& U,
-                                       std::string const& UE,
-                                       std::string const& Perms);
+        void setV5EncryptionParameters(
+            std::string const& O,
+            std::string const& OE,
+            std::string const& U,
+            std::string const& UE,
+            std::string const& Perms);
 
       private:
-        EncryptionData(EncryptionData const&);
-        EncryptionData& operator=(EncryptionData const&);
-
-	int V;
-	int R;
-	int Length_bytes;
-	int P;
-	std::string O;
-	std::string U;
+        EncryptionData(EncryptionData const&) = delete;
+        EncryptionData& operator=(EncryptionData const&) = delete;
+
+        int V;
+        int R;
+        int Length_bytes;
+        int P;
+        std::string O;
+        std::string U;
         std::string OE;
         std::string UE;
         std::string Perms;
-	std::string id1;
-	bool encrypt_metadata;
+        std::string id1;
+        bool encrypt_metadata;
     };
 
     QPDF_DLL
@@ -400,10 +559,19 @@
     bool isEncrypted(int& R, int& P);
 
     QPDF_DLL
-    bool isEncrypted(int& R, int& P, int& V,
-                     encryption_method_e& stream_method,
-                     encryption_method_e& string_method,
-                     encryption_method_e& file_method);
+    bool isEncrypted(
+        int& R,
+        int& P,
+        int& V,
+        encryption_method_e& stream_method,
+        encryption_method_e& string_method,
+        encryption_method_e& file_method);
+
+    QPDF_DLL
+    bool ownerPasswordMatched() const;
+
+    QPDF_DLL
+    bool userPasswordMatched() const;
 
     // Encryption permissions -- not enforced by QPDF
     QPDF_DLL
@@ -432,26 +600,44 @@
     static void trim_user_password(std::string& user_password);
     QPDF_DLL
     static std::string compute_data_key(
-	std::string const& encryption_key, int objid, int generation,
-	bool use_aes, int encryption_V, int encryption_R);
+        std::string const& encryption_key,
+        int objid,
+        int generation,
+        bool use_aes,
+        int encryption_V,
+        int encryption_R);
     QPDF_DLL
     static std::string compute_encryption_key(
-	std::string const& password, EncryptionData const& data);
+        std::string const& password, EncryptionData const& data);
 
     QPDF_DLL
     static void compute_encryption_O_U(
-	char const* user_password, char const* owner_password,
-	int V, int R, int key_len, int P, bool encrypt_metadata,
-	std::string const& id1,
-	std::string& O, std::string& U);
+        char const* user_password,
+        char const* owner_password,
+        int V,
+        int R,
+        int key_len,
+        int P,
+        bool encrypt_metadata,
+        std::string const& id1,
+        std::string& O,
+        std::string& U);
     QPDF_DLL
     static void compute_encryption_parameters_V5(
-	char const* user_password, char const* owner_password,
-	int V, int R, int key_len, int P, bool encrypt_metadata,
-	std::string const& id1,
+        char const* user_password,
+        char const* owner_password,
+        int V,
+        int R,
+        int key_len,
+        int P,
+        bool encrypt_metadata,
+        std::string const& id1,
         std::string& encryption_key,
-	std::string& O, std::string& U,
-        std::string& OE, std::string& UE, std::string& Perms);
+        std::string& O,
+        std::string& U,
+        std::string& OE,
+        std::string& UE,
+        std::string& Perms);
     // Return the full user password as stored in the PDF file.  For
     // files encrypted with 40-bit or 128-bit keys, the user password
     // can be recovered when the file is opened using the owner
@@ -476,19 +662,19 @@
     QPDF_DLL
     bool isLinearized();
 
-    // Performs various sanity checks on a linearized file.  Return
-    // true if no errors or warnings.  Otherwise, return false and
-    // output errors and warnings to std::cout or the output stream
-    // specified in a call to setOutputStreams.
+    // Performs various sanity checks on a linearized file. Return
+    // true if no errors or warnings. Otherwise, return false and
+    // output errors and warnings to the default output stream
+    // (std::cout or whatever is configured in the logger). It is
+    // recommended for linearization errors to be treated as warnings.
     QPDF_DLL
     bool checkLinearization();
 
     // Calls checkLinearization() and, if possible, prints normalized
-    // contents of some of the hints tables to std::cout or the output
-    // stream specified in a call to setOutputStreams.  Normalization
-    // includes adding min values to delta values and adjusting
-    // offsets based on the location and size of the primary hint
-    // stream.
+    // contents of some of the hints tables to the default output
+    // stream. Normalization includes adding min values to delta
+    // values and adjusting offsets based on the location and size of
+    // the primary hint stream.
     QPDF_DLL
     void showLinearizationData();
 
@@ -524,23 +710,31 @@
     // QPDF_optimization.cc
 
     // The object_stream_data map maps from a "compressed" object to
-    // the object stream that contains it.  This enables optimize to
+    // the object stream that contains it. This enables optimize to
     // populate the object <-> user maps with only uncompressed
-    // objects.  If allow_changes is false, an exception will be
-    // thrown if any changes are made during the optimization process.
-    // This is available so that the test suite can make sure that a
-    // linearized file is already optimized.  When called in this way,
-    // optimize() still populates the object <-> user maps
-    QPDF_DLL
-    void optimize(std::map<int, int> const& object_stream_data,
-		  bool allow_changes = true);
+    // objects. If allow_changes is false, an exception will be thrown
+    // if any changes are made during the optimization process. This
+    // is available so that the test suite can make sure that a
+    // linearized file is already optimized. When called in this way,
+    // optimize() still populates the object <-> user maps. The
+    // optional skip_stream_parameters parameter, if present, is
+    // called for each stream object. The function should return 2 if
+    // optimization should discard /Length, /Filter, and /DecodeParms;
+    // 1 if it should discard /Length, and 0 if it should preserve all
+    // keys. This is used by QPDFWriter to avoid creation of dangling
+    // objects for stream dictionary keys it will be regenerating.
+    QPDF_DLL
+    void optimize(
+        std::map<int, int> const& object_stream_data,
+        bool allow_changes = true,
+        std::function<int(QPDFObjectHandle&)> skip_stream_parameters = nullptr);
 
     // Traverse page tree return all /Page objects. It also detects
     // and resolves cases in which the same /Page object is
     // duplicated. For efficiency, this method returns a const
     // reference to an internal vector of pages. Calls to addPage,
     // addPageAt, and removePage safely update this, but directly
-    // manipulation of the pages three or pushing inheritable objects
+    // manipulation of the pages tree or pushing inheritable objects
     // to the page level may invalidate it. See comments for
     // updateAllPagesCache() for additional notes. Newer code should
     // use QPDFPageDocumentHelper::getAllPages instead. The decision
@@ -550,6 +744,20 @@
     QPDF_DLL
     std::vector<QPDFObjectHandle> const& getAllPages();
 
+    QPDF_DLL
+    bool everCalledGetAllPages() const;
+    QPDF_DLL
+    bool everPushedInheritedAttributesToPages() const;
+
+    // These methods, given a page object or its object/generation
+    // number, returns the 0-based index into the array returned by
+    // getAllPages() for that page. An exception is thrown if the page
+    // is not found.
+    QPDF_DLL
+    int findPage(QPDFObjGen const& og);
+    QPDF_DLL
+    int findPage(QPDFObjectHandle& page);
+
     // This method synchronizes QPDF's cache of the page structure
     // with the actual /Pages tree.  If you restrict changes to the
     // /Pages tree, including addition, removal, or replacement of
@@ -573,14 +781,15 @@
     // identical to the identically named methods there, except that
     // these versions use QPDFObjectHandle instead of
     // QPDFPageObjectHelper, so please see comments in that file for
-    // descriptions.
+    // descriptions. There are subtleties you need to know about, so
+    // please look at the comments there.
     QPDF_DLL
     void pushInheritedAttributesToPage();
     QPDF_DLL
     void addPage(QPDFObjectHandle newpage, bool first);
     QPDF_DLL
-    void addPageAt(QPDFObjectHandle newpage, bool before,
-                   QPDFObjectHandle refpage);
+    void
+    addPageAt(QPDFObjectHandle newpage, bool before, QPDFObjectHandle refpage);
     QPDF_DLL
     void removePage(QPDFObjectHandle page);
     // End legacy page helpers
@@ -590,9 +799,10 @@
     class Writer
     {
         friend class QPDFWriter;
-      private:
 
-        static void getLinearizedParts(
+      private:
+        static void
+        getLinearizedParts(
             QPDF& qpdf,
             std::map<int, int> const& object_stream_data,
             std::vector<QPDFObjectHandle>& part4,
@@ -601,102 +811,159 @@
             std::vector<QPDFObjectHandle>& part8,
             std::vector<QPDFObjectHandle>& part9)
         {
-            qpdf.getLinearizedParts(object_stream_data,
-                                    part4, part6, part7, part8, part9);
+            qpdf.getLinearizedParts(
+                object_stream_data, part4, part6, part7, part8, part9);
         }
 
-        static void generateHintStream(
+        static void
+        generateHintStream(
             QPDF& qpdf,
             std::map<int, QPDFXRefEntry> const& xref,
             std::map<int, qpdf_offset_t> const& lengths,
             std::map<int, int> const& obj_renumber,
-            PointerHolder<Buffer>& hint_stream,
-            int& S, int& O)
+            std::shared_ptr<Buffer>& hint_stream,
+            int& S,
+            int& O)
         {
-            return qpdf.generateHintStream(xref, lengths, obj_renumber,
-                                           hint_stream, S, O);
+            return qpdf.generateHintStream(
+                xref, lengths, obj_renumber, hint_stream, S, O);
         }
 
-        static void getObjectStreamData(QPDF& qpdf, std::map<int, int>& omap)
+        static void
+        getObjectStreamData(QPDF& qpdf, std::map<int, int>& omap)
         {
             qpdf.getObjectStreamData(omap);
         }
 
-        static std::vector<QPDFObjGen> getCompressibleObjGens(QPDF& qpdf)
+        static std::vector<QPDFObjGen>
+        getCompressibleObjGens(QPDF& qpdf)
         {
             return qpdf.getCompressibleObjGens();
         }
     };
 
-    // Resolver class is restricted to QPDFObjectHandle so that only
-    // it can resolve indirect references.
+    // The Resolver class is restricted to QPDFObject so that only it
+    // can resolve indirect references.
     class Resolver
     {
-	friend class QPDFObjectHandle;
+        friend class QPDFObject;
+
       private:
-	static PointerHolder<QPDFObject> resolve(
-	    QPDF* qpdf, int objid, int generation)
-	{
-	    return qpdf->resolve(objid, generation);
-	}
+        static void
+        resolve(QPDF* qpdf, QPDFObjGen const& og)
+        {
+            qpdf->resolve(og);
+        }
     };
     friend class Resolver;
 
-    // Warner class allows QPDFObjectHandle to create warnings
-    class Warner
+    // StreamCopier class is restricted to QPDFObjectHandle so it can
+    // copy stream data.
+    class StreamCopier
     {
-	friend class QPDFObjectHandle;
-        friend class QPDF_Stream;
+        friend class QPDFObjectHandle;
+
       private:
-        static void warn(QPDF* qpdf, QPDFExc const& e)
+        static void
+        copyStreamData(
+            QPDF* qpdf,
+            QPDFObjectHandle const& dest,
+            QPDFObjectHandle const& src)
         {
-            qpdf->warn(e);
+            qpdf->copyStreamData(dest, src);
         }
     };
-    friend class Warner;
+    friend class Resolver;
+
+    // The ParseGuard class allows QPDFObjectHandle to detect
+    // re-entrant parsing.
+    class ParseGuard
+    {
+        friend class QPDFParser;
+
+      private:
+        ParseGuard(QPDF* qpdf) :
+            qpdf(qpdf)
+        {
+            if (qpdf) {
+                qpdf->inParse(true);
+            }
+        }
+        ~ParseGuard()
+        {
+            if (qpdf) {
+                qpdf->inParse(false);
+            }
+        }
+        QPDF* qpdf;
+    };
+    friend class ParseGuard;
 
     // Pipe class is restricted to QPDF_Stream
     class Pipe
     {
-	friend class QPDF_Stream;
+        friend class QPDF_Stream;
+
       private:
-	static bool pipeStreamData(QPDF* qpdf, int objid, int generation,
-				   qpdf_offset_t offset, size_t length,
-				   QPDFObjectHandle dict,
-				   Pipeline* pipeline,
-                                   bool suppress_warnings,
-                                   bool will_retry)
-	{
-	    return qpdf->pipeStreamData(
-		objid, generation, offset, length, dict, pipeline,
-                suppress_warnings, will_retry);
-	}
+        static bool
+        pipeStreamData(
+            QPDF* qpdf,
+            QPDFObjGen const& og,
+            qpdf_offset_t offset,
+            size_t length,
+            QPDFObjectHandle dict,
+            Pipeline* pipeline,
+            bool suppress_warnings,
+            bool will_retry)
+        {
+            return qpdf->pipeStreamData(
+                og,
+                offset,
+                length,
+                dict,
+                pipeline,
+                suppress_warnings,
+                will_retry);
+        }
     };
     friend class Pipe;
 
+    // For testing only -- do not add to DLL
+    static bool test_json_validators();
+
   private:
-    static std::string qpdf_version;
+    // It has never been safe to copy QPDF objects as there is code in
+    // the library that assumes there are no copies of a QPDF object.
+    // Copying QPDF objects was not prevented by the API until qpdf
+    // 11. If you have been copying QPDF objects, use
+    // std::shared_ptr<QPDF> instead. From qpdf 11, you can use
+    // QPDF::create to create them.
+    QPDF(QPDF const&) = delete;
+    QPDF& operator=(QPDF const&) = delete;
+
+    static std::string const qpdf_version;
 
     class ObjCache
     {
       public:
-	ObjCache() :
-	    end_before_space(0),
-	    end_after_space(0)
-	{
-	}
-	ObjCache(PointerHolder<QPDFObject> object,
-		 qpdf_offset_t end_before_space,
-		 qpdf_offset_t end_after_space) :
-	    object(object),
-	    end_before_space(end_before_space),
-	    end_after_space(end_after_space)
-	{
-	}
-
-	PointerHolder<QPDFObject> object;
-	qpdf_offset_t end_before_space;
-	qpdf_offset_t end_after_space;
+        ObjCache() :
+            end_before_space(0),
+            end_after_space(0)
+        {
+        }
+        ObjCache(
+            std::shared_ptr<QPDFObject> object,
+            qpdf_offset_t end_before_space,
+            qpdf_offset_t end_after_space) :
+            object(object),
+            end_before_space(end_before_space),
+            end_after_space(end_after_space)
+        {
+        }
+
+        std::shared_ptr<QPDFObject> object;
+        qpdf_offset_t end_before_space;
+        qpdf_offset_t end_after_space;
     };
 
     class ObjCopier
@@ -710,6 +977,7 @@
     class EncryptionParameters
     {
         friend class QPDF;
+
       public:
         EncryptionParameters();
 
@@ -727,32 +995,30 @@
         std::string user_password;
         std::string encryption_key;
         std::string cached_object_encryption_key;
-        int cached_key_objid;
-        int cached_key_generation;
+        QPDFObjGen cached_key_og;
+        bool user_password_matched;
+        bool owner_password_matched;
     };
 
     class ForeignStreamData
     {
         friend class QPDF;
+
       public:
         ForeignStreamData(
-            PointerHolder<EncryptionParameters> encp,
-            PointerHolder<InputSource> file,
-            int foreign_objid,
-            int foreign_generation,
+            std::shared_ptr<EncryptionParameters> encp,
+            std::shared_ptr<InputSource> file,
+            QPDFObjGen const& foreign_og,
             qpdf_offset_t offset,
             size_t length,
-            bool is_attachment_stream,
             QPDFObjectHandle local_dict);
 
       private:
-        PointerHolder<EncryptionParameters> encp;
-        PointerHolder<InputSource> file;
-        int foreign_objid;
-        int foreign_generation;
+        std::shared_ptr<EncryptionParameters> encp;
+        std::shared_ptr<InputSource> file;
+        QPDFObjGen foreign_og;
         qpdf_offset_t offset;
         size_t length;
-        bool is_attachment_stream;
         QPDFObjectHandle local_dict;
     };
 
@@ -760,21 +1026,22 @@
     {
       public:
         CopiedStreamDataProvider(QPDF& destination_qpdf);
-        virtual ~CopiedStreamDataProvider()
-        {
-        }
-	virtual void provideStreamData(int objid, int generation,
-				       Pipeline* pipeline);
-        void registerForeignStream(QPDFObjGen const& local_og,
-                                   QPDFObjectHandle foreign_stream);
-        void registerForeignStream(QPDFObjGen const& local_og,
-                                   PointerHolder<ForeignStreamData>);
+        virtual ~CopiedStreamDataProvider() = default;
+        virtual bool provideStreamData(
+            QPDFObjGen const& og,
+            Pipeline* pipeline,
+            bool suppress_warnings,
+            bool will_retry) override;
+        void registerForeignStream(
+            QPDFObjGen const& local_og, QPDFObjectHandle foreign_stream);
+        void registerForeignStream(
+            QPDFObjGen const& local_og, std::shared_ptr<ForeignStreamData>);
 
       private:
         QPDF& destination_qpdf;
         std::map<QPDFObjGen, QPDFObjectHandle> foreign_streams;
-        std::map<QPDFObjGen,
-                 PointerHolder<ForeignStreamData> > foreign_stream_data;
+        std::map<QPDFObjGen, std::shared_ptr<ForeignStreamData>>
+            foreign_stream_data;
     };
 
     class StringDecrypter: public QPDFObjectHandle::StringDecrypter
@@ -782,16 +1049,13 @@
         friend class QPDF;
 
       public:
-        StringDecrypter(QPDF* qpdf, int objid, int gen);
-        virtual ~StringDecrypter()
-        {
-        }
+        StringDecrypter(QPDF* qpdf, QPDFObjGen const& og);
+        virtual ~StringDecrypter() = default;
         virtual void decryptString(std::string& val);
 
       private:
         QPDF* qpdf;
-        int objid;
-        int gen;
+        QPDFObjGen og;
     };
 
     class ResolveRecorder
@@ -799,96 +1063,182 @@
       public:
         ResolveRecorder(QPDF* qpdf, QPDFObjGen const& og) :
             qpdf(qpdf),
-            og(og)
+            iter(qpdf->m->resolving.insert(og).first)
         {
-            qpdf->m->resolving.insert(og);
         }
         virtual ~ResolveRecorder()
         {
-            this->qpdf->m->resolving.erase(og);
+            this->qpdf->m->resolving.erase(iter);
         }
+
       private:
         QPDF* qpdf;
-        QPDFObjGen og;
+        std::set<QPDFObjGen>::const_iterator iter;
     };
     friend class ResolveRecorder;
 
+    class JSONReactor: public JSON::Reactor
+    {
+      public:
+        JSONReactor(
+            QPDF&, std::shared_ptr<InputSource> is, bool must_be_complete);
+        virtual ~JSONReactor() = default;
+        virtual void dictionaryStart() override;
+        virtual void arrayStart() override;
+        virtual void containerEnd(JSON const& value) override;
+        virtual void topLevelScalar() override;
+        virtual bool
+        dictionaryItem(std::string const& key, JSON const& value) override;
+        virtual bool arrayItem(JSON const& value) override;
+
+        bool anyErrors() const;
+
+      private:
+        enum state_e {
+            st_initial,
+            st_top,
+            st_qpdf,
+            st_qpdf_meta,
+            st_objects,
+            st_trailer,
+            st_object_top,
+            st_stream,
+            st_object,
+            st_ignore,
+        };
+
+        void containerStart();
+        void nestedState(std::string const& key, JSON const& value, state_e);
+        void setObjectDescription(QPDFObjectHandle& oh, JSON const& value);
+        QPDFObjectHandle makeObject(JSON const& value);
+        void error(qpdf_offset_t offset, std::string const& message);
+        QPDFObjectHandle reserveObject(int obj, int gen);
+        void replaceObject(
+            QPDFObjectHandle to_replace,
+            QPDFObjectHandle replacement,
+            JSON const& value);
+
+        QPDF& pdf;
+        std::shared_ptr<InputSource> is;
+        bool must_be_complete;
+        bool errors;
+        bool parse_error;
+        bool saw_qpdf;
+        bool saw_qpdf_meta;
+        bool saw_objects;
+        bool saw_json_version;
+        bool saw_pdf_version;
+        bool saw_trailer;
+        state_e state;
+        state_e next_state;
+        std::string cur_object;
+        bool saw_value;
+        bool saw_stream;
+        bool saw_dict;
+        bool saw_data;
+        bool saw_datafile;
+        bool this_stream_needs_data;
+        std::vector<state_e> state_stack;
+        std::vector<QPDFObjectHandle> object_stack;
+        std::set<QPDFObjGen> reserved;
+    };
+    friend class JSONReactor;
+
     void parse(char const* password);
-    void warn(QPDFExc const& e);
+    void inParse(bool);
     void setTrailer(QPDFObjectHandle obj);
     void read_xref(qpdf_offset_t offset);
     void reconstruct_xref(QPDFExc& e);
-    bool parse_xrefFirst(std::string const& line,
-                         int& obj, int& num, int& bytes);
-    bool parse_xrefEntry(std::string const& line,
-                         qpdf_offset_t& f1, int& f2, char& type);
+    bool
+    parse_xrefFirst(std::string const& line, int& obj, int& num, int& bytes);
+    bool parse_xrefEntry(
+        std::string const& line, qpdf_offset_t& f1, int& f2, char& type);
     qpdf_offset_t read_xrefTable(qpdf_offset_t offset);
     qpdf_offset_t read_xrefStream(qpdf_offset_t offset);
-    qpdf_offset_t processXRefStream(
-        qpdf_offset_t offset, QPDFObjectHandle& xref_stream);
-    void insertXrefEntry(int obj, int f0, qpdf_offset_t f1, int f2,
-			 bool overwrite = false);
-    void setLastObjectDescription(std::string const& description,
-				  int objid, int generation);
+    qpdf_offset_t
+    processXRefStream(qpdf_offset_t offset, QPDFObjectHandle& xref_stream);
+    void insertXrefEntry(
+        int obj, int f0, qpdf_offset_t f1, int f2, bool overwrite = false);
+    void setLastObjectDescription(
+        std::string const& description, QPDFObjGen const& og);
     QPDFObjectHandle readObject(
-	PointerHolder<InputSource>, std::string const& description,
-	int objid, int generation, bool in_object_stream);
+        std::shared_ptr<InputSource>,
+        std::string const& description,
+        QPDFObjGen const& og,
+        bool in_object_stream);
     size_t recoverStreamLength(
-	PointerHolder<InputSource> input, int objid, int generation,
-	qpdf_offset_t stream_offset);
-    QPDFTokenizer::Token readToken(PointerHolder<InputSource>,
-                                   size_t max_len = 0);
+        std::shared_ptr<InputSource> input,
+        QPDFObjGen const& og,
+        qpdf_offset_t stream_offset);
+    QPDFTokenizer::Token
+    readToken(std::shared_ptr<InputSource>, size_t max_len = 0);
 
     QPDFObjectHandle readObjectAtOffset(
-	bool attempt_recovery,
-	qpdf_offset_t offset, std::string const& description,
-	int exp_objid, int exp_generation,
-	int& act_objid, int& act_generation);
-    PointerHolder<QPDFObject> resolve(int objid, int generation);
+        bool attempt_recovery,
+        qpdf_offset_t offset,
+        std::string const& description,
+        QPDFObjGen const& exp_og,
+        QPDFObjGen& og);
+    void resolve(QPDFObjGen const& og);
     void resolveObjectsInStream(int obj_stream_number);
-    void findAttachmentStreams();
     void stopOnError(std::string const& message);
+    QPDFObjectHandle reserveObjectIfNotExists(QPDFObjGen const& og);
+    QPDFObjectHandle reserveStream(QPDFObjGen const& og);
+    QPDFObjectHandle
+    newIndirect(QPDFObjGen const&, std::shared_ptr<QPDFObject> const&);
+    bool isCached(QPDFObjGen const& og);
+    bool isUnresolved(QPDFObjGen const& og);
+    void updateCache(
+        QPDFObjGen const& og,
+        std::shared_ptr<QPDFObject> const& object,
+        qpdf_offset_t end_before_space,
+        qpdf_offset_t end_after_space);
 
     // Calls finish() on the pipeline when done but does not delete it
-    bool pipeStreamData(int objid, int generation,
-			qpdf_offset_t offset, size_t length,
-			QPDFObjectHandle dict,
-			Pipeline* pipeline,
-                        bool suppress_warnings,
-                        bool will_retry);
+    bool pipeStreamData(
+        QPDFObjGen const& og,
+        qpdf_offset_t offset,
+        size_t length,
+        QPDFObjectHandle dict,
+        Pipeline* pipeline,
+        bool suppress_warnings,
+        bool will_retry);
     bool pipeForeignStreamData(
-        PointerHolder<ForeignStreamData>,
+        std::shared_ptr<ForeignStreamData>,
         Pipeline*,
-        unsigned long encode_flags,
-        qpdf_stream_decode_level_e decode_level);
-    static bool pipeStreamData(PointerHolder<QPDF::EncryptionParameters> encp,
-                               PointerHolder<InputSource> file,
-                               QPDF& qpdf_for_warning,
-                               int objid, int generation,
-                               qpdf_offset_t offset, size_t length,
-                               QPDFObjectHandle dict,
-                               bool is_attachment_stream,
-                               Pipeline* pipeline,
-                               bool suppress_warnings,
-                               bool will_retry);
+        bool suppress_warnings,
+        bool will_retry);
+    static bool pipeStreamData(
+        std::shared_ptr<QPDF::EncryptionParameters> encp,
+        std::shared_ptr<InputSource> file,
+        QPDF& qpdf_for_warning,
+        QPDFObjGen const& og,
+        qpdf_offset_t offset,
+        size_t length,
+        QPDFObjectHandle dict,
+        Pipeline* pipeline,
+        bool suppress_warnings,
+        bool will_retry);
 
     // For QPDFWriter:
 
     // Get lists of all objects in order according to the part of a
     // linearized file that they belong to.
     void getLinearizedParts(
-	std::map<int, int> const& object_stream_data,
-	std::vector<QPDFObjectHandle>& part4,
-	std::vector<QPDFObjectHandle>& part6,
-	std::vector<QPDFObjectHandle>& part7,
-	std::vector<QPDFObjectHandle>& part8,
-	std::vector<QPDFObjectHandle>& part9);
-
-    void generateHintStream(std::map<int, QPDFXRefEntry> const& xref,
-			    std::map<int, qpdf_offset_t> const& lengths,
-			    std::map<int, int> const& obj_renumber,
-			    PointerHolder<Buffer>& hint_stream,
-			    int& S, int& O);
+        std::map<int, int> const& object_stream_data,
+        std::vector<QPDFObjectHandle>& part4,
+        std::vector<QPDFObjectHandle>& part6,
+        std::vector<QPDFObjectHandle>& part7,
+        std::vector<QPDFObjectHandle>& part8,
+        std::vector<QPDFObjectHandle>& part9);
+
+    void generateHintStream(
+        std::map<int, QPDFXRefEntry> const& xref,
+        std::map<int, qpdf_offset_t> const& lengths,
+        std::map<int, int> const& obj_renumber,
+        std::shared_ptr<Buffer>& hint_stream,
+        int& S,
+        int& O);
 
     // Map object to object stream that contains it
     void getObjectStreamData(std::map<int, int>&);
@@ -899,48 +1249,48 @@
 
     // methods to support page handling
 
-    void getAllPagesInternal(QPDFObjectHandle cur_pages,
-                             std::vector<QPDFObjectHandle>& result,
-                             std::set<QPDFObjGen>& visited,
-                             std::set<QPDFObjGen>& seen);
+    void getAllPagesInternal(
+        QPDFObjectHandle cur_pages,
+        std::set<QPDFObjGen>& visited,
+        std::set<QPDFObjGen>& seen);
     void insertPage(QPDFObjectHandle newpage, int pos);
-    int findPage(QPDFObjGen const& og);
-    int findPage(QPDFObjectHandle& page);
     void flattenPagesTree();
-    void insertPageobjToPage(QPDFObjectHandle const& obj, int pos,
-                             bool check_duplicate);
+    void insertPageobjToPage(
+        QPDFObjectHandle const& obj, int pos, bool check_duplicate);
 
     // methods to support encryption -- implemented in QPDF_encryption.cc
-    static encryption_method_e interpretCF(
-        PointerHolder<EncryptionParameters> encp, QPDFObjectHandle);
+    static encryption_method_e
+    interpretCF(std::shared_ptr<EncryptionParameters> encp, QPDFObjectHandle);
     void initializeEncryption();
     static std::string getKeyForObject(
-        PointerHolder<EncryptionParameters> encp,
-        int objid, int generation, bool use_aes);
-    void decryptString(std::string&, int objid, int generation);
+        std::shared_ptr<EncryptionParameters> encp,
+        QPDFObjGen const& og,
+        bool use_aes);
+    void decryptString(std::string&, QPDFObjGen const& og);
     static std::string compute_encryption_key_from_password(
         std::string const& password, EncryptionData const& data);
     static std::string recover_encryption_key_with_password(
         std::string const& password, EncryptionData const& data);
     static std::string recover_encryption_key_with_password(
-        std::string const& password, EncryptionData const& data,
+        std::string const& password,
+        EncryptionData const& data,
         bool& perms_valid);
     static void decryptStream(
-	PointerHolder<EncryptionParameters> encp,
-        PointerHolder<InputSource> file,
-        QPDF& qpdf_for_warning, Pipeline*& pipeline,
-        int objid, int generation,
-	QPDFObjectHandle& stream_dict, bool is_attachment_stream,
-	std::vector<PointerHolder<Pipeline> >& heap);
-
-    // Unused copyForeignObject -- remove at next ABI change
-    QPDFObjectHandle copyForeignObject(
-        QPDFObjectHandle foreign, bool unused);
+        std::shared_ptr<EncryptionParameters> encp,
+        std::shared_ptr<InputSource> file,
+        QPDF& qpdf_for_warning,
+        Pipeline*& pipeline,
+        QPDFObjGen const& og,
+        QPDFObjectHandle& stream_dict,
+        std::vector<std::shared_ptr<Pipeline>>& heap);
+
     // Methods to support object copying
-    void reserveObjects(QPDFObjectHandle foreign, ObjCopier& obj_copier,
-                        bool top);
+    void
+    reserveObjects(QPDFObjectHandle foreign, ObjCopier& obj_copier, bool top);
     QPDFObjectHandle replaceForeignIndirectObjects(
         QPDFObjectHandle foreign, ObjCopier& obj_copier, bool top);
+    void
+    copyStreamData(QPDFObjectHandle dest_stream, QPDFObjectHandle src_stream);
 
     // Linearization Hint table structures.
     // Naming conventions:
@@ -958,118 +1308,118 @@
     // PDF 1.4: Table F.4
     struct HPageOffsetEntry
     {
-	HPageOffsetEntry() :
-	    delta_nobjects(0),
-	    delta_page_length(0),
-	    nshared_objects(0),
-	    delta_content_offset(0),
-	    delta_content_length(0)
-	{
-	}
-
-	int delta_nobjects;			  // 1
-	qpdf_offset_t delta_page_length;          // 2
-	int nshared_objects;			  // 3
-	// vectors' sizes = nshared_objects
-	std::vector<int> shared_identifiers;	  // 4
-	std::vector<int> shared_numerators;	  // 5
-	qpdf_offset_t delta_content_offset;       // 6
-        qpdf_offset_t delta_content_length;       // 7
+        HPageOffsetEntry() :
+            delta_nobjects(0),
+            delta_page_length(0),
+            nshared_objects(0),
+            delta_content_offset(0),
+            delta_content_length(0)
+        {
+        }
+
+        int delta_nobjects;              // 1
+        qpdf_offset_t delta_page_length; // 2
+        int nshared_objects;             // 3
+        // vectors' sizes = nshared_objects
+        std::vector<int> shared_identifiers; // 4
+        std::vector<int> shared_numerators;  // 5
+        qpdf_offset_t delta_content_offset;  // 6
+        qpdf_offset_t delta_content_length;  // 7
     };
 
     // PDF 1.4: Table F.3
     struct HPageOffset
     {
-	HPageOffset() :
-	    min_nobjects(0),
-	    first_page_offset(0),
-	    nbits_delta_nobjects(0),
-	    min_page_length(0),
-	    nbits_delta_page_length(0),
-	    min_content_offset(0),
-	    nbits_delta_content_offset(0),
-	    min_content_length(0),
-	    nbits_delta_content_length(0),
-	    nbits_nshared_objects(0),
-	    nbits_shared_identifier(0),
-	    nbits_shared_numerator(0),
-	    shared_denominator(0)
-	{
-	}
-
-	int min_nobjects;			  // 1
-	qpdf_offset_t first_page_offset;          // 2
-	int nbits_delta_nobjects;		  // 3
-	int min_page_length;			  // 4
-	int nbits_delta_page_length;		  // 5
-	int min_content_offset;			  // 6
-	int nbits_delta_content_offset;		  // 7
-	int min_content_length;			  // 8
-	int nbits_delta_content_length;		  // 9
-	int nbits_nshared_objects;		  // 10
-	int nbits_shared_identifier;		  // 11
-	int nbits_shared_numerator;		  // 12
-	int shared_denominator;			  // 13
-	// vector size is npages
-	std::vector<HPageOffsetEntry> entries;
+        HPageOffset() :
+            min_nobjects(0),
+            first_page_offset(0),
+            nbits_delta_nobjects(0),
+            min_page_length(0),
+            nbits_delta_page_length(0),
+            min_content_offset(0),
+            nbits_delta_content_offset(0),
+            min_content_length(0),
+            nbits_delta_content_length(0),
+            nbits_nshared_objects(0),
+            nbits_shared_identifier(0),
+            nbits_shared_numerator(0),
+            shared_denominator(0)
+        {
+        }
+
+        int min_nobjects;                // 1
+        qpdf_offset_t first_page_offset; // 2
+        int nbits_delta_nobjects;        // 3
+        int min_page_length;             // 4
+        int nbits_delta_page_length;     // 5
+        int min_content_offset;          // 6
+        int nbits_delta_content_offset;  // 7
+        int min_content_length;          // 8
+        int nbits_delta_content_length;  // 9
+        int nbits_nshared_objects;       // 10
+        int nbits_shared_identifier;     // 11
+        int nbits_shared_numerator;      // 12
+        int shared_denominator;          // 13
+        // vector size is npages
+        std::vector<HPageOffsetEntry> entries;
     };
 
     // PDF 1.4: Table F.6
     struct HSharedObjectEntry
     {
-	HSharedObjectEntry() :
-	    delta_group_length(0),
-	    signature_present(0),
-	    nobjects_minus_one(0)
-	{
-	}
-
-	// Item 3 is a 128-bit signature (unsupported by Acrobat)
-	int delta_group_length;		 	  // 1
-	int signature_present;			  // 2 -- always 0
-	int nobjects_minus_one;			  // 4 -- always 0
+        HSharedObjectEntry() :
+            delta_group_length(0),
+            signature_present(0),
+            nobjects_minus_one(0)
+        {
+        }
+
+        // Item 3 is a 128-bit signature (unsupported by Acrobat)
+        int delta_group_length; // 1
+        int signature_present;  // 2 -- always 0
+        int nobjects_minus_one; // 4 -- always 0
     };
 
     // PDF 1.4: Table F.5
     struct HSharedObject
     {
-	HSharedObject() :
-	    first_shared_obj(0),
-	    first_shared_offset(0),
-	    nshared_first_page(0),
-	    nshared_total(0),
-	    nbits_nobjects(0),
-	    min_group_length(0),
-	    nbits_delta_group_length(0)
-	{
-	}
-
-	int first_shared_obj;			  // 1
-	qpdf_offset_t first_shared_offset;        // 2
-	int nshared_first_page;			  // 3
-	int nshared_total;			  // 4
-	int nbits_nobjects;			  // 5
-	int min_group_length;			  // 6
-	int nbits_delta_group_length;		  // 7
-	// vector size is nshared_total
-	std::vector<HSharedObjectEntry> entries;
+        HSharedObject() :
+            first_shared_obj(0),
+            first_shared_offset(0),
+            nshared_first_page(0),
+            nshared_total(0),
+            nbits_nobjects(0),
+            min_group_length(0),
+            nbits_delta_group_length(0)
+        {
+        }
+
+        int first_shared_obj;              // 1
+        qpdf_offset_t first_shared_offset; // 2
+        int nshared_first_page;            // 3
+        int nshared_total;                 // 4
+        int nbits_nobjects;                // 5
+        int min_group_length;              // 6
+        int nbits_delta_group_length;      // 7
+        // vector size is nshared_total
+        std::vector<HSharedObjectEntry> entries;
     };
 
     // PDF 1.4: Table F.9
     struct HGeneric
     {
-	HGeneric() :
-	    first_object(0),
-	    first_object_offset(0),
-	    nobjects(0),
-	    group_length(0)
-	{
-	}
-
-	int first_object;			  // 1
-	qpdf_offset_t first_object_offset;        // 2
-	int nobjects;				  // 3
-	int group_length;			  // 4
+        HGeneric() :
+            first_object(0),
+            first_object_offset(0),
+            nobjects(0),
+            group_length(0)
+        {
+        }
+
+        int first_object;                  // 1
+        qpdf_offset_t first_object_offset; // 2
+        int nobjects;                      // 3
+        int group_length;                  // 4
     };
 
     // Other linearization data structures
@@ -1077,26 +1427,26 @@
     // Initialized from Linearization Parameter dictionary
     struct LinParameters
     {
-	LinParameters() :
-	    file_size(0),
-	    first_page_object(0),
-	    first_page_end(0),
-	    npages(0),
-	    xref_zero_offset(0),
-	    first_page(0),
-	    H_offset(0),
-	    H_length(0)
-	{
-	}
-
-	qpdf_offset_t file_size;        // /L
-	int first_page_object;          // /O
-	qpdf_offset_t first_page_end;	// /E
-	int npages;                     // /N
-	qpdf_offset_t xref_zero_offset;	// /T
-	int first_page;                 // /P
-        qpdf_offset_t H_offset;		// offset of primary hint stream
-	qpdf_offset_t H_length;		// length of primary hint stream
+        LinParameters() :
+            file_size(0),
+            first_page_object(0),
+            first_page_end(0),
+            npages(0),
+            xref_zero_offset(0),
+            first_page(0),
+            H_offset(0),
+            H_length(0)
+        {
+        }
+
+        qpdf_offset_t file_size;        // /L
+        int first_page_object;          // /O
+        qpdf_offset_t first_page_end;   // /E
+        int npages;                     // /N
+        qpdf_offset_t xref_zero_offset; // /T
+        int first_page;                 // /P
+        qpdf_offset_t H_offset;         // offset of primary hint stream
+        qpdf_offset_t H_length;         // length of primary hint stream
     };
 
     // Computed hint table value data structures.  These tables
@@ -1116,87 +1466,85 @@
 
     struct CHPageOffsetEntry
     {
-	CHPageOffsetEntry() :
-	    nobjects(0),
-	    nshared_objects(0)
-	{
-	}
-
-	int nobjects;
-	int nshared_objects;
-	// vectors' sizes = nshared_objects
-	std::vector<int> shared_identifiers;
+        CHPageOffsetEntry() :
+            nobjects(0),
+            nshared_objects(0)
+        {
+        }
+
+        int nobjects;
+        int nshared_objects;
+        // vectors' sizes = nshared_objects
+        std::vector<int> shared_identifiers;
     };
 
     struct CHPageOffset
     {
-	// vector size is npages
-	std::vector<CHPageOffsetEntry> entries;
+        // vector size is npages
+        std::vector<CHPageOffsetEntry> entries;
     };
 
     struct CHSharedObjectEntry
     {
-	CHSharedObjectEntry(int object) :
-	    object(object)
-	{
-	}
+        CHSharedObjectEntry(int object) :
+            object(object)
+        {
+        }
 
-	int object;
+        int object;
     };
 
     // PDF 1.4: Table F.5
     struct CHSharedObject
     {
-	CHSharedObject() :
-	    first_shared_obj(0),
-	    nshared_first_page(0),
-	    nshared_total(0)
-	{
-	}
-
-	int first_shared_obj;
-	int nshared_first_page;
-	int nshared_total;
-	// vector size is nshared_total
-	std::vector<CHSharedObjectEntry> entries;
+        CHSharedObject() :
+            first_shared_obj(0),
+            nshared_first_page(0),
+            nshared_total(0)
+        {
+        }
+
+        int first_shared_obj;
+        int nshared_first_page;
+        int nshared_total;
+        // vector size is nshared_total
+        std::vector<CHSharedObjectEntry> entries;
     };
 
     // No need for CHGeneric -- HGeneric is fine as is.
 
-
     // Data structures to support optimization -- implemented in
     // QPDF_optimization.cc
 
     class ObjUser
     {
       public:
-	enum user_e
-	{
-	    ou_bad,
-	    ou_page,
-	    ou_thumb,
-	    ou_trailer_key,
-	    ou_root_key,
-	    ou_root
-	};
+        enum user_e {
+            ou_bad,
+            ou_page,
+            ou_thumb,
+            ou_trailer_key,
+            ou_root_key,
+            ou_root
+        };
 
-	// type is set to ou_bad
-	ObjUser();
+        // type is set to ou_bad
+        ObjUser();
 
-	// type must be ou_root
-	ObjUser(user_e type);
+        // type must be ou_root
+        ObjUser(user_e type);
 
-	// type must be one of ou_page or ou_thumb
-	ObjUser(user_e type, int pageno);
+        // type must be one of ou_page or ou_thumb
+        ObjUser(user_e type, int pageno);
 
-	// type must be one of ou_trailer_key or ou_root_key
-	ObjUser(user_e type, std::string const& key);
+        // type must be one of ou_trailer_key or ou_root_key
+        ObjUser(user_e type, std::string const& key);
 
-	bool operator<(ObjUser const&) const;
+        bool operator<(ObjUser const&) const;
 
-	user_e ou_type;
-	int pageno;		// if ou_page;
-	std::string key;	// if ou_trailer_key or ou_root_key
+        user_e ou_type;
+        int pageno;      // if ou_page;
+        std::string key; // if ou_trailer_key or ou_root_key
     };
 
     class PatternFinder: public InputSource::Finder
@@ -1207,10 +1555,9 @@
             checker(checker)
         {
         }
-        virtual ~PatternFinder()
-        {
-        }
-        virtual bool check()
+        virtual ~PatternFinder() = default;
+        virtual bool
+        check()
         {
             return (this->qpdf.*checker)();
         }
@@ -1221,6 +1568,7 @@
     };
 
     // Methods to support pattern finding
+    static bool validatePDFVersion(char const*&, std::string& version);
     bool findHeader();
     bool findStartxref();
     bool findEndstream();
@@ -1230,73 +1578,120 @@
     void readLinearizationData();
     bool checkLinearizationInternal();
     void dumpLinearizationDataInternal();
-    QPDFObjectHandle readHintStream(
-        Pipeline&, qpdf_offset_t offset, size_t length);
+    QPDFObjectHandle
+    readHintStream(Pipeline&, qpdf_offset_t offset, size_t length);
     void readHPageOffset(BitStream);
     void readHSharedObject(BitStream);
     void readHGeneric(BitStream, HGeneric&);
     qpdf_offset_t maxEnd(ObjUser const& ou);
     qpdf_offset_t getLinearizationOffset(QPDFObjGen const&);
     QPDFObjectHandle getUncompressedObject(
-	QPDFObjectHandle&, std::map<int, int> const& object_stream_data);
-    int lengthNextN(int first_object, int n,
-		    std::list<std::string>& errors);
-    void checkHPageOffset(std::list<std::string>& errors,
-			  std::list<std::string>& warnings,
-			  std::vector<QPDFObjectHandle> const& pages,
-			  std::map<int, int>& idx_to_obj);
-    void checkHSharedObject(std::list<std::string>& warnings,
-			    std::list<std::string>& errors,
-			    std::vector<QPDFObjectHandle> const& pages,
-			    std::map<int, int>& idx_to_obj);
+        QPDFObjectHandle&, std::map<int, int> const& object_stream_data);
+    int lengthNextN(int first_object, int n, std::list<std::string>& errors);
+    void checkHPageOffset(
+        std::list<std::string>& errors,
+        std::list<std::string>& warnings,
+        std::vector<QPDFObjectHandle> const& pages,
+        std::map<int, int>& idx_to_obj);
+    void checkHSharedObject(
+        std::list<std::string>& warnings,
+        std::list<std::string>& errors,
+        std::vector<QPDFObjectHandle> const& pages,
+        std::map<int, int>& idx_to_obj);
     void checkHOutlines(std::list<std::string>& warnings);
     void dumpHPageOffset();
     void dumpHSharedObject();
     void dumpHGeneric(HGeneric&);
-    int adjusted_offset(int offset);
-    QPDFObjectHandle objGenToIndirect(QPDFObjGen const&);
-    void calculateLinearizationData(
-	std::map<int, int> const& object_stream_data);
+    qpdf_offset_t adjusted_offset(qpdf_offset_t offset);
+    void
+    calculateLinearizationData(std::map<int, int> const& object_stream_data);
     void pushOutlinesToPart(
-	std::vector<QPDFObjectHandle>& part,
-	std::set<QPDFObjGen>& lc_outlines,
-	std::map<int, int> const& object_stream_data);
+        std::vector<QPDFObjectHandle>& part,
+        std::set<QPDFObjGen>& lc_outlines,
+        std::map<int, int> const& object_stream_data);
     int outputLengthNextN(
-	int in_object, int n,
-	std::map<int, qpdf_offset_t> const& lengths,
-	std::map<int, int> const& obj_renumber);
+        int in_object,
+        int n,
+        std::map<int, qpdf_offset_t> const& lengths,
+        std::map<int, int> const& obj_renumber);
     void calculateHPageOffset(
-	std::map<int, QPDFXRefEntry> const& xref,
-	std::map<int, qpdf_offset_t> const& lengths,
-	std::map<int, int> const& obj_renumber);
+        std::map<int, QPDFXRefEntry> const& xref,
+        std::map<int, qpdf_offset_t> const& lengths,
+        std::map<int, int> const& obj_renumber);
     void calculateHSharedObject(
-	std::map<int, QPDFXRefEntry> const& xref,
-	std::map<int, qpdf_offset_t> const& lengths,
-	std::map<int, int> const& obj_renumber);
+        std::map<int, QPDFXRefEntry> const& xref,
+        std::map<int, qpdf_offset_t> const& lengths,
+        std::map<int, int> const& obj_renumber);
     void calculateHOutline(
-	std::map<int, QPDFXRefEntry> const& xref,
-	std::map<int, qpdf_offset_t> const& lengths,
-	std::map<int, int> const& obj_renumber);
+        std::map<int, QPDFXRefEntry> const& xref,
+        std::map<int, qpdf_offset_t> const& lengths,
+        std::map<int, int> const& obj_renumber);
     void writeHPageOffset(BitWriter&);
     void writeHSharedObject(BitWriter&);
     void writeHGeneric(BitWriter&, HGeneric&);
 
-
     // Methods to support optimization
 
-    void pushInheritedAttributesToPage(bool allow_changes,
-                                       bool warn_skipped_keys);
+    void
+    pushInheritedAttributesToPage(bool allow_changes, bool warn_skipped_keys);
     void pushInheritedAttributesToPageInternal(
-	QPDFObjectHandle,
-	std::map<std::string, std::vector<QPDFObjectHandle> >&,
-	std::vector<QPDFObjectHandle>& all_pages,
-	bool allow_changes, bool warn_skipped_keys,
-        std::set<QPDFObjGen>& visited);
-    void updateObjectMaps(ObjUser const& ou, QPDFObjectHandle oh);
-    void updateObjectMapsInternal(ObjUser const& ou, QPDFObjectHandle oh,
-				  std::set<QPDFObjGen>& visited, bool top);
+        QPDFObjectHandle,
+        std::map<std::string, std::vector<QPDFObjectHandle>>&,
+        bool allow_changes,
+        bool warn_skipped_keys);
+    void updateObjectMaps(
+        ObjUser const& ou,
+        QPDFObjectHandle oh,
+        std::function<int(QPDFObjectHandle&)> skip_stream_parameters);
+    void updateObjectMapsInternal(
+        ObjUser const& ou,
+        QPDFObjectHandle oh,
+        std::function<int(QPDFObjectHandle&)> skip_stream_parameters,
+        std::set<QPDFObjGen>& visited,
+        bool top,
+        int depth);
     void filterCompressedObjects(std::map<int, int> const& object_stream_data);
 
+    // JSON import
+    void importJSON(std::shared_ptr<InputSource>, bool must_be_complete);
+
+    // JSON write
+    void writeJSONStream(
+        int version,
+        Pipeline* p,
+        bool& first,
+        std::string const& key,
+        QPDFObjectHandle&,
+        qpdf_stream_decode_level_e,
+        qpdf_json_stream_data_e,
+        std::string const& file_prefix);
+    void writeJSONObject(
+        int version,
+        Pipeline* p,
+        bool& first,
+        std::string const& key,
+        QPDFObjectHandle&);
+
+    // Type conversion helper methods
+    template <typename T>
+    static qpdf_offset_t
+    toO(T const& i)
+    {
+        return QIntC::to_offset(i);
+    }
+    template <typename T>
+    static size_t
+    toS(T const& i)
+    {
+        return QIntC::to_size(i);
+    }
+    template <typename T>
+    static int
+    toI(T const& i)
+    {
+        return QIntC::to_int(i);
+    }
+
     class Members
     {
         friend class QPDF;
@@ -1304,23 +1699,22 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
         Members();
-        Members(Members const&);
+        Members(Members const&) = delete;
 
+        std::shared_ptr<QPDFLogger> log;
         unsigned long long unique_id;
         QPDFTokenizer tokenizer;
-        PointerHolder<InputSource> file;
+        std::shared_ptr<InputSource> file;
         std::string last_object_description;
         bool provided_password_is_hex_key;
         bool ignore_xref_streams;
         bool suppress_warnings;
-        std::ostream* out_stream;
-        std::ostream* err_stream;
         bool attempt_recovery;
-        PointerHolder<EncryptionParameters> encp;
+        std::shared_ptr<EncryptionParameters> encp;
         std::string pdf_version;
         std::map<QPDFObjGen, QPDFXRefEntry> xref_table;
         std::set<int> deleted_objects;
@@ -1330,15 +1724,19 @@
         std::vector<QPDFObjectHandle> all_pages;
         std::map<QPDFObjGen, int> pageobj_to_pages_pos;
         bool pushed_inherited_attributes_to_pages;
+        bool ever_pushed_inherited_attributes_to_pages;
+        bool ever_called_get_all_pages;
         std::vector<QPDFExc> warnings;
         std::map<unsigned long long, ObjCopier> object_copiers;
-        PointerHolder<QPDFObjectHandle::StreamDataProvider> copied_streams;
+        std::shared_ptr<QPDFObjectHandle::StreamDataProvider> copied_streams;
         // copied_stream_data_provider is owned by copied_streams
         CopiedStreamDataProvider* copied_stream_data_provider;
-        std::set<QPDFObjGen> attachment_streams;
         bool reconstructed_xref;
         bool fixed_dangling_refs;
         bool immediate_copy_from;
+        bool in_parse;
+        bool parsed;
+        std::set<int> resolved_object_streams;
 
         // Linearization data
         qpdf_offset_t first_xref_item_offset; // actual value from file
@@ -1370,14 +1768,14 @@
         std::vector<QPDFObjectHandle> part9;
 
         // Optimization data
-        std::map<ObjUser, std::set<QPDFObjGen> > obj_user_to_objects;
-        std::map<QPDFObjGen, std::set<ObjUser> > object_to_obj_users;
+        std::map<ObjUser, std::set<QPDFObjGen>> obj_user_to_objects;
+        std::map<QPDFObjGen, std::set<ObjUser>> object_to_obj_users;
     };
 
     // Keep all member variables inside the Members object, which we
     // dynamically allocate. This makes it possible to add new private
     // members without breaking binary compatibility.
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDF_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFAcroFormDocumentHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFAcroFormDocumentHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -67,7 +67,6 @@
 //     the "/AcroForm" field entry until you find the annotation
 //     dictionary.
 
-
 #include <qpdf/QPDFDocumentHelper.hh>
 
 #include <qpdf/DLL.h>
@@ -86,9 +85,7 @@
     QPDF_DLL
     QPDFAcroFormDocumentHelper(QPDF&);
     QPDF_DLL
-    virtual ~QPDFAcroFormDocumentHelper()
-    {
-    }
+    virtual ~QPDFAcroFormDocumentHelper() = default;
 
     // This class lazily creates an internal cache of the mapping
     // among form fields, annotations, and pages. Methods within this
@@ -103,8 +100,32 @@
     void invalidateCache();
 
     QPDF_DLL
-    bool
-    hasAcroForm();
+    bool hasAcroForm();
+
+    // Add a form field, initializing the document's AcroForm
+    // dictionary if needed, updating the cache if necessary. Note
+    // that you are adding fields that are copies of other fields,
+    // this method may result in multiple fields existing with the
+    // same qualified name, which can have unexpected side effects. In
+    // that case, you should use addAndRenameFormFields() instead.
+    QPDF_DLL
+    void addFormField(QPDFFormFieldObjectHelper);
+
+    // Add a collection of form fields making sure that their fully
+    // qualified names don't conflict with already present form
+    // fields. Fields within the collection of new fields that have
+    // the same name as each other will continue to do so.
+    QPDF_DLL
+    void addAndRenameFormFields(std::vector<QPDFObjectHandle> fields);
+
+    // Remove fields from the fields array
+    QPDF_DLL
+    void removeFormFields(std::set<QPDFObjGen> const&);
+
+    // Set the name of a field, updating internal records of field
+    // names. Name should be UTF-8 encoded.
+    QPDF_DLL
+    void setFormFieldName(QPDFFormFieldObjectHelper, std::string const& name);
 
     // Return a vector of all terminal fields in a document. Terminal
     // fields are fields that have no children that are also fields.
@@ -113,8 +134,14 @@
     // list, but you can still reach them through the getParent method
     // of the field object helper.
     QPDF_DLL
-    std::vector<QPDFFormFieldObjectHelper>
-    getFormFields();
+    std::vector<QPDFFormFieldObjectHelper> getFormFields();
+
+    // Return all the form fields that have the given fully-qualified
+    // name and also have an explicit "/T" attribute. For this
+    // information to be accurate, any changes to field names must be
+    // done through setFormFieldName() above.
+    QPDF_DLL
+    std::set<QPDFObjGen> getFieldsWithQualifiedName(std::string const& name);
 
     // Return the annotations associated with a terminal field. Note
     // that in the case of a field having a single annotation, the
@@ -122,23 +149,27 @@
     // object for the field.
     QPDF_DLL
     std::vector<QPDFAnnotationObjectHelper>
-    getAnnotationsForField(QPDFFormFieldObjectHelper);
+        getAnnotationsForField(QPDFFormFieldObjectHelper);
 
     // Return annotations of subtype /Widget for a page.
     QPDF_DLL
     std::vector<QPDFAnnotationObjectHelper>
-    getWidgetAnnotationsForPage(QPDFPageObjectHelper);
+        getWidgetAnnotationsForPage(QPDFPageObjectHelper);
+
+    // Return top-level form fields for a page.
+    QPDF_DLL
+    std::vector<QPDFFormFieldObjectHelper>
+        getFormFieldsForPage(QPDFPageObjectHelper);
 
     // Return the terminal field that is associated with this
     // annotation. If the annotation dictionary is merged with the
     // field dictionary, the underlying object will be the same, but
     // this is not always the case. Note that if you call this method
     // with an annotation that is not a widget annotation, there will
-    // not be an associated field, and this method will raise an
-    // exception.
+    // not be an associated field, and this method will return a
+    // helper associated with a null object (isNull() == true).
     QPDF_DLL
-    QPDFFormFieldObjectHelper
-    getFieldForAnnotation(QPDFAnnotationObjectHelper);
+    QPDFFormFieldObjectHelper getFieldForAnnotation(QPDFAnnotationObjectHelper);
 
     // Return the current value of /NeedAppearances. If
     // /NeedAppearances is missing, return false as that is how PDF
@@ -167,11 +198,77 @@
     QPDF_DLL
     void generateAppearancesIfNeeded();
 
+    // Note: this method works on all annotations, not just ones with
+    // associated fields. For each annotation in old_annots, apply the
+    // given transformation matrix to create a new annotation. New
+    // annotations are appended to new_annots. If the annotation is
+    // associated with a form field, a new form field is created that
+    // points to the new annotation and is appended to new_fields, and
+    // the old field is added to old_fields.
+    //
+    // old_annots may belong to a different QPDF object. In that case,
+    // you should pass in from_qpdf, and copyForeignObject will be
+    // called automatically. If this is the case, for efficiency, you
+    // may pass in a QPDFAcroFormDocumentHelper for the other file to
+    // avoid the expensive process of creating one for each call to
+    // transformAnnotations. New fields and annotations are not added
+    // to the document or pages. You have to do that yourself after
+    // calling transformAnnotations. If this operation will leave
+    // orphaned fields behind, such as if you are replacing the old
+    // annotations with the new ones on the same page and the fields
+    // and annotations are not shared, you will also need to remove
+    // the old fields to prevent them from hanging round unreferenced.
+    QPDF_DLL
+    void transformAnnotations(
+        QPDFObjectHandle old_annots,
+        std::vector<QPDFObjectHandle>& new_annots,
+        std::vector<QPDFObjectHandle>& new_fields,
+        std::set<QPDFObjGen>& old_fields,
+        QPDFMatrix const& cm,
+        QPDF* from_qpdf = nullptr,
+        QPDFAcroFormDocumentHelper* from_afdh = nullptr);
+
+    // Copy form fields and annotations from one page to another,
+    // allowing the from page to be in a different QPDF or in the same
+    // QPDF. This would typically be called after calling addPage to
+    // add field/annotation awareness. When just copying the page by
+    // itself, annotations end up being shared, and fields end up
+    // being omitted because there is no reference to the field from
+    // the page. This method ensures that each separate copy of a page
+    // has private annotations and that fields and annotations are
+    // properly updated to resolve conflicts that may occur from
+    // common resource and field names across documents. It is
+    // basically a wrapper around transformAnnotations that handles
+    // updating the receiving page. If new_fields is non-null, any
+    // newly created fields are added to it.
+    QPDF_DLL
+    void fixCopiedAnnotations(
+        QPDFObjectHandle to_page,
+        QPDFObjectHandle from_page,
+        QPDFAcroFormDocumentHelper& from_afdh,
+        std::set<QPDFObjGen>* new_fields = nullptr);
+
   private:
     void analyze();
-    void traverseField(QPDFObjectHandle field,
-                       QPDFObjectHandle parent,
-                       int depth, std::set<QPDFObjGen>& visited);
+    void traverseField(
+        QPDFObjectHandle field,
+        QPDFObjectHandle parent,
+        int depth,
+        std::set<QPDFObjGen>& visited);
+    QPDFObjectHandle getOrCreateAcroForm();
+    void adjustInheritedFields(
+        QPDFObjectHandle obj,
+        bool override_da,
+        std::string const& from_default_da,
+        bool override_q,
+        int from_default_q);
+    void adjustDefaultAppearances(
+        QPDFObjectHandle obj,
+        std::map<std::string, std::map<std::string, std::string>> const&
+            dr_map);
+    void adjustAppearanceStream(
+        QPDFObjectHandle stream,
+        std::map<std::string, std::map<std::string, std::string>> dr_map);
 
     class Members
     {
@@ -179,20 +276,21 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
         Members();
-        Members(Members const&);
+        Members(Members const&) = delete;
 
         bool cache_valid;
-        std::map<QPDFObjGen,
-                 std::vector<QPDFAnnotationObjectHelper>
-                 > field_to_annotations;
+        std::map<QPDFObjGen, std::vector<QPDFAnnotationObjectHelper>>
+            field_to_annotations;
         std::map<QPDFObjGen, QPDFFormFieldObjectHelper> annotation_to_field;
+        std::map<QPDFObjGen, std::string> field_to_name;
+        std::map<std::string, std::set<QPDFObjGen>> name_to_fields;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFACROFORMDOCUMENTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFAnnotationObjectHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFAnnotationObjectHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,8 +22,8 @@
 #ifndef QPDFANNOTATIONOBJECTHELPER_HH
 #define QPDFANNOTATIONOBJECTHELPER_HH
 
-#include <qpdf/QPDFObjectHelper.hh>
 #include <qpdf/Constants.h>
+#include <qpdf/QPDFObjectHelper.hh>
 
 #include <qpdf/DLL.h>
 
@@ -33,16 +33,17 @@
     QPDF_DLL
     QPDFAnnotationObjectHelper(QPDFObjectHandle);
     QPDF_DLL
-    virtual ~QPDFAnnotationObjectHelper()
-    {
-    }
+    virtual ~QPDFAnnotationObjectHelper() = default;
+
+    // This class provides helper methods for annotations. More
+    // functionality will likely be added in the future.
 
-    // This class provides helper methods for certain types of
-    // annotations. At its introduction, it only supports Widget
-    // annotations, but other types of annotations may be supported in
-    // the future. For additional information about interactive forms,
-    // please see the comments at the top of
-    // QPDFAcroFormDocumentHelper.hh.
+    // Some functionality for annotations is also implemented in
+    // QPDFAcroFormDocumentHelper and QPDFFormFieldObjectHelper. In
+    // some cases, functions defined there work for other annotations
+    // besides widget annotations, but they are implemented with form
+    // fields so that they can properly handle form fields when
+    // needed.
 
     // Return the subtype of the annotation as a string (e.g.
     // "/Widget"). Returns the empty string if the subtype (which is
@@ -75,8 +76,8 @@
     // which appearance stream is desired. If not specified, the
     // appearance state in "/AS" will used.
     QPDF_DLL
-    QPDFObjectHandle getAppearanceStream(std::string const& which,
-                                         std::string const& state = "");
+    QPDFObjectHandle getAppearanceStream(
+        std::string const& which, std::string const& state = "");
 
     // Generate text suitable for addition to the containing page's
     // content stream that draws this annotation's appearance stream
@@ -93,7 +94,8 @@
     // preparing to print.
     QPDF_DLL
     std::string getPageContentForAppearance(
-        std::string const& name, int rotate,
+        std::string const& name,
+        int rotate,
         int required_flags = 0,
         int forbidden_flags = an_invisible | an_hidden);
 
@@ -104,14 +106,14 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
+        Members() = default;
+        Members(Members const&) = delete;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFANNOTATIONOBJECTHELPER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFCryptoImpl.hh Added

@@ -0,0 +1,102 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFCRYPTOIMPL_HH
+#define QPDFCRYPTOIMPL_HH
+
+#include <qpdf/DLL.h>
+#include <string>
+
+// This class is part of qpdf's pluggable crypto provider support.
+// Most users won't need to know or care about this class, but you can
+// use it if you want to supply your own crypto implementation. To do
+// so, provide an implementation of QPDFCryptoImpl, ensure that you
+// register it by calling QPDFCryptoProvider::registerImpl, and make
+// it the default by calling QPDFCryptoProvider::setDefaultProvider.
+
+class QPDF_DLL_CLASS QPDFCryptoImpl
+{
+  public:
+    QPDF_DLL
+    QPDFCryptoImpl() = default;
+
+    QPDF_DLL
+    virtual ~QPDFCryptoImpl() = default;
+
+    // Random Number Generation
+
+    QPDF_DLL
+    virtual void provideRandomData(unsigned char* data, size_t len) = 0;
+
+    // Hashing
+
+    typedef unsigned char MD5_Digest16;
+    QPDF_DLL
+    virtual void MD5_init() = 0;
+    QPDF_DLL
+    virtual void MD5_update(unsigned char const* data, size_t len) = 0;
+    QPDF_DLL
+    virtual void MD5_finalize() = 0;
+    QPDF_DLL
+    virtual void MD5_digest(MD5_Digest) = 0;
+
+    QPDF_DLL
+    virtual void SHA2_init(int bits) = 0;
+    QPDF_DLL
+    virtual void SHA2_update(unsigned char const* data, size_t len) = 0;
+    QPDF_DLL
+    virtual void SHA2_finalize() = 0;
+    QPDF_DLL
+    virtual std::string SHA2_digest() = 0;
+
+    // Encryption/Decryption
+
+    // QPDF must support RC4 to be able to work with older PDF files
+    // and readers. Search for RC4 in README.md
+
+    // key_len of -1 means treat key_data as a null-terminated string
+    QPDF_DLL
+    virtual void RC4_init(unsigned char const* key_data, int key_len = -1) = 0;
+    // out_data = 0 means to encrypt/decrypt in place
+    QPDF_DLL
+    virtual void RC4_process(
+        unsigned char const* in_data,
+        size_t len,
+        unsigned char* out_data = 0) = 0;
+    QPDF_DLL
+    virtual void RC4_finalize() = 0;
+
+    static size_t constexpr rijndael_buf_size = 16;
+    QPDF_DLL
+    virtual void rijndael_init(
+        bool encrypt,
+        unsigned char const* key_data,
+        size_t key_len,
+        bool cbc_mode,
+        unsigned char* cbc_block) = 0;
+    QPDF_DLL
+    virtual void
+    rijndael_process(unsigned char* in_data, unsigned char* out_data) = 0;
+    QPDF_DLL
+    virtual void rijndael_finalize() = 0;
+};
+
+#endif // QPDFCRYPTOIMPL_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFCryptoProvider.hh Added

@@ -0,0 +1,108 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFCRYPTOPROVIDER_HH
+#define QPDFCRYPTOPROVIDER_HH
+
+#include <qpdf/DLL.h>
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <functional>
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+
+// This class is part of qpdf's pluggable crypto provider support.
+// Most users won't need to know or care about this class, but you can
+// use it if you want to supply your own crypto implementation. See
+// also comments in QPDFCryptoImpl.hh.
+
+class QPDFCryptoProvider
+{
+  public:
+    // Methods for getting and registering crypto implementations.
+    // These methods are not thread-safe.
+
+    // Return an instance of a crypto provider using the default
+    // implementation.
+    QPDF_DLL
+    static std::shared_ptr<QPDFCryptoImpl> getImpl();
+
+    // Return an instance of the crypto provider registered using the
+    // given name.
+    QPDF_DLL
+    static std::shared_ptr<QPDFCryptoImpl> getImpl(std::string const& name);
+
+    // Register the given type (T) as a crypto implementation. T must
+    // be derived from QPDFCryptoImpl and must have a constructor that
+    // takes no arguments.
+    template <typename T>
+    QPDF_DLL static void registerImpl(std::string const& name);
+
+    // Set the crypto provider registered with the given name as the
+    // default crypto implementation.
+    QPDF_DLL
+    static void setDefaultProvider(std::string const& name);
+
+    // Get the names of registered implementations
+    QPDF_DLL
+    static std::set<std::string> getRegisteredImpls();
+
+    // Get the name of the default crypto provider
+    QPDF_DLL
+    static std::string getDefaultProvider();
+
+  private:
+    QPDFCryptoProvider();
+    ~QPDFCryptoProvider() = default;
+    QPDFCryptoProvider(QPDFCryptoProvider const&) = delete;
+    QPDFCryptoProvider& operator=(QPDFCryptoProvider const&) = delete;
+
+    static QPDFCryptoProvider& getInstance();
+
+    std::shared_ptr<QPDFCryptoImpl>
+    getImpl_internal(std::string const& name) const;
+    template <typename T>
+    void registerImpl_internal(std::string const& name);
+    void setDefaultProvider_internal(std::string const& name);
+
+    class Members
+    {
+        friend class QPDFCryptoProvider;
+
+      public:
+        Members() = default;
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members(Members const&) = delete;
+        Members& operator=(Members const&) = delete;
+
+        typedef std::function<std::shared_ptr<QPDFCryptoImpl>()> provider_fn;
+        std::string default_provider;
+        std::map<std::string, provider_fn> providers;
+    };
+
+    std::shared_ptr<Members> m;
+};
+
+#endif // QPDFCRYPTOPROVIDER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFDocumentHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFDocumentHelper.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFEFStreamObjectHelper.hh Added

@@ -0,0 +1,124 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFEFSTREAMOBJECTHELPER_HH
+#define QPDFEFSTREAMOBJECTHELPER_HH
+
+#include <qpdf/QPDFObjectHelper.hh>
+
+#include <qpdf/DLL.h>
+
+#include <qpdf/QPDFObjectHandle.hh>
+#include <functional>
+
+// This class provides a higher level interface around Embedded File
+// Streams, which are discussed in section 7.11.4 of the ISO-32000 PDF
+// specification.
+
+class QPDFEFStreamObjectHelper: public QPDFObjectHelper
+{
+  public:
+    QPDF_DLL
+    QPDFEFStreamObjectHelper(QPDFObjectHandle);
+    QPDF_DLL
+    virtual ~QPDFEFStreamObjectHelper() = default;
+
+    // Date parameters are strings that conform to the PDF spec for
+    // date/time strings, which is "D:yyyymmddhhmmss<z>" where <z> is
+    // either "Z" for UTC or "-hh'mm'" or "+hh'mm'" for timezone
+    // offset. Examples: "D:20210207161528-05'00'",
+    // "D:20210207211528Z". See QUtil::qpdf_time_to_pdf_time.
+
+    QPDF_DLL
+    std::string getCreationDate();
+    QPDF_DLL
+    std::string getModDate();
+    // Get size as reported in the object; return 0 if not present.
+    QPDF_DLL
+    size_t getSize();
+    // Subtype is a mime type such as "text/plain"
+    QPDF_DLL
+    std::string getSubtype();
+    // Return the checksum as stored in the object as a binary string.
+    // This does not check consistency with the data. If not present,
+    // return an empty string. The PDF spec specifies this as an MD5
+    // checksum and notes that it is not to be used for security
+    // purposes since MD5 is known not to be secure.
+    QPDF_DLL
+    std::string getChecksum();
+
+    // Setters return a reference to this object so that they can be
+    // used as fluent interfaces, e.g.
+    // efsoh.setCreationDate(x).setModDate(y);
+
+    // Create a new embedded file stream with the given stream data,
+    // which can be provided in any of several ways. To get the new
+    // object back, call getObjectHandle() on the returned object. The
+    // checksum and size are computed automatically and stored. Other
+    // parameters may be supplied using setters defined below.
+    QPDF_DLL
+    static QPDFEFStreamObjectHelper
+    createEFStream(QPDF& qpdf, std::shared_ptr<Buffer> data);
+    QPDF_DLL
+    static QPDFEFStreamObjectHelper
+    createEFStream(QPDF& qpdf, std::string const& data);
+    // The provider function must write the data to the given
+    // pipeline. The function may be called multiple times by the qpdf
+    // library. You can pass QUtil::file_provider(filename) as the
+    // provider to have the qpdf library provide the contents of
+    // filename as a binary.
+    QPDF_DLL
+    static QPDFEFStreamObjectHelper
+    createEFStream(QPDF& qpdf, std::function<void(Pipeline*)> provider);
+
+    // Setters for other parameters
+    QPDF_DLL
+    QPDFEFStreamObjectHelper& setCreationDate(std::string const&);
+    QPDF_DLL
+    QPDFEFStreamObjectHelper& setModDate(std::string const&);
+
+    // Set subtype as a mime-type, e.g. "text/plain" or
+    // "application/pdf".
+    QPDF_DLL
+    QPDFEFStreamObjectHelper& setSubtype(std::string const&);
+
+  private:
+    QPDFObjectHandle getParam(std::string const& pkey);
+    void setParam(std::string const& pkey, QPDFObjectHandle const&);
+    static QPDFEFStreamObjectHelper newFromStream(QPDFObjectHandle stream);
+
+    class Members
+    {
+        friend class QPDFEFStreamObjectHelper;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members() = default;
+        Members(Members const&) = delete;
+    };
+
+    std::shared_ptr<Members> m;
+};
+
+#endif // QPDFEFSTREAMOBJECTHELPER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFEmbeddedFileDocumentHelper.hh Added

@@ -0,0 +1,97 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFEMBEDDEDFILEDOCUMENTHELPER_HH
+#define QPDFEMBEDDEDFILEDOCUMENTHELPER_HH
+
+#include <qpdf/QPDFDocumentHelper.hh>
+
+#include <qpdf/DLL.h>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFFileSpecObjectHelper.hh>
+#include <qpdf/QPDFNameTreeObjectHelper.hh>
+
+#include <map>
+#include <memory>
+
+// This class provides a higher level interface around document-level
+// file attachments, also known as embedded files. These are discussed
+// in sections 7.7.4 and 7.11 of the ISO-32000 PDF specification.
+
+class QPDFEmbeddedFileDocumentHelper: public QPDFDocumentHelper
+{
+  public:
+    QPDF_DLL
+    QPDFEmbeddedFileDocumentHelper(QPDF&);
+    QPDF_DLL
+    virtual ~QPDFEmbeddedFileDocumentHelper() = default;
+
+    QPDF_DLL
+    bool hasEmbeddedFiles() const;
+
+    QPDF_DLL
+    std::map<std::string, std::shared_ptr<QPDFFileSpecObjectHelper>>
+    getEmbeddedFiles();
+
+    // If an embedded file with the given name exists, return a
+    // (shared) pointer to it. Otherwise, return nullptr.
+    QPDF_DLL
+    std::shared_ptr<QPDFFileSpecObjectHelper>
+    getEmbeddedFile(std::string const& name);
+
+    // Add or replace an attachment
+    QPDF_DLL
+    void replaceEmbeddedFile(
+        std::string const& name, QPDFFileSpecObjectHelper const&);
+
+    // Remove an embedded file if present. Return value is true if the
+    // file was present and was removed. This method not only removes
+    // the embedded file from the embedded files name tree but also
+    // nulls out the file specification dictionary. This means that
+    // any references to this file from file attachment annotations
+    // will also stop working. This is the best way to make the
+    // attachment actually disappear from the file and not just from
+    // the list of attachments.
+    QPDF_DLL
+    bool removeEmbeddedFile(std::string const& name);
+
+  private:
+    void initEmbeddedFiles();
+
+    class Members
+    {
+        friend class QPDFEmbeddedFileDocumentHelper;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members() = default;
+        Members(Members const&) = delete;
+
+        std::shared_ptr<QPDFNameTreeObjectHelper> embedded_files;
+    };
+
+    std::shared_ptr<Members> m;
+};
+
+#endif // QPDFEMBEDDEDFILEDOCUMENTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFExc.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFExc.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,26 +22,25 @@
 #ifndef QPDFEXC_HH
 #define QPDFEXC_HH
 
+#include <qpdf/Constants.h>
 #include <qpdf/DLL.h>
 #include <qpdf/Types.h>
 
-#include <qpdf/Constants.h>
-#include <string>
 #include <stdexcept>
+#include <string>
 
-class QPDF_DLL_EXCEPTION QPDFExc: public std::runtime_error
+class QPDF_DLL_CLASS QPDFExc: public std::runtime_error
 {
   public:
     QPDF_DLL
-    QPDFExc(qpdf_error_code_e error_code,
-	    std::string const& filename,
-	    std::string const& object,
-	    qpdf_offset_t offset,
-	    std::string const& message);
+    QPDFExc(
+        qpdf_error_code_e error_code,
+        std::string const& filename,
+        std::string const& object,
+        qpdf_offset_t offset,
+        std::string const& message);
     QPDF_DLL
-    virtual ~QPDFExc() throw ()
-    {
-    }
+    virtual ~QPDFExc() noexcept = default;
 
     // To get a complete error string, call what(), provided by
     // std::exception.  The accessors below return the original values
@@ -65,10 +64,15 @@
     std::string const& getMessageDetail() const;
 
   private:
-    static std::string createWhat(std::string const& filename,
-				  std::string const& object,
-				  qpdf_offset_t offset,
-				  std::string const& message);
+    QPDF_DLL_PRIVATE
+    static std::string createWhat(
+        std::string const& filename,
+        std::string const& object,
+        qpdf_offset_t offset,
+        std::string const& message);
+
+    // This class does not use the Members pattern to avoid needless
+    // memory allocations during exception handling.
 
     qpdf_error_code_e error_code;
     std::string filename;

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFFileSpecObjectHelper.hh Added

@@ -0,0 +1,119 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFFILESPECOBJECTHELPER_HH
+#define QPDFFILESPECOBJECTHELPER_HH
+
+#include <qpdf/QPDFObjectHelper.hh>
+
+#include <qpdf/DLL.h>
+
+#include <qpdf/QPDFEFStreamObjectHelper.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+
+// This class provides a higher level interface around File
+// Specification dictionaries, which are discussed in section 7.11 of
+// the ISO-32000 PDF specification.
+
+class QPDFFileSpecObjectHelper: public QPDFObjectHelper
+{
+  public:
+    QPDF_DLL
+    QPDFFileSpecObjectHelper(QPDFObjectHandle);
+    QPDF_DLL
+    virtual ~QPDFFileSpecObjectHelper() = default;
+
+    QPDF_DLL
+    std::string getDescription();
+
+    // Get the main filename for this file specification. In priority
+    // order, check /UF, /F, /Unix, /DOS, /Mac.
+    QPDF_DLL
+    std::string getFilename();
+
+    // Return any of /UF, /F, /Unix, /DOS, /Mac filename keys that may
+    // be present in the object.
+    QPDF_DLL
+    std::map<std::string, std::string> getFilenames();
+
+    // Get the requested embedded file stream for this file
+    // specification. If key is empty, In priority order, check /UF,
+    // /F, /Unix, /DOS, /Mac. Returns a null object if not found. If
+    // this is an actual embedded file stream, its data is the content
+    // of the attachment. You can also use
+    // QPDFEFStreamObjectHelper for higher level access to
+    // the parameters.
+    QPDF_DLL
+    QPDFObjectHandle getEmbeddedFileStream(std::string const& key = "");
+
+    // Return the /EF key of the file spec, which is a map from file
+    // name key to embedded file stream.
+    QPDF_DLL
+    QPDFObjectHandle getEmbeddedFileStreams();
+
+    // Setters return a reference to this object so that they can be
+    // used as fluent interfaces, e.g.
+    // fsoh.setDescription(x).setFilename(y);
+
+    // Create a new filespec as an indirect object with the given
+    // filename, and attach the contents of the specified file as data
+    // in an embedded file stream.
+    QPDF_DLL
+    static QPDFFileSpecObjectHelper createFileSpec(
+        QPDF& qpdf, std::string const& filename, std::string const& fullpath);
+
+    // Create a new filespec as an indirect object with the given
+    // unicode filename and embedded file stream. The file name will
+    // be used as both /UF and /F. If you need to override, call
+    // setFilename.
+    QPDF_DLL
+    static QPDFFileSpecObjectHelper createFileSpec(
+        QPDF& qpdf, std::string const& filename, QPDFEFStreamObjectHelper);
+
+    QPDF_DLL
+    QPDFFileSpecObjectHelper& setDescription(std::string const&);
+    // setFilename sets /UF to unicode_name. If compat_name is empty,
+    // it is also set to unicode_name. unicode_name should be a UTF-8
+    // encoded string. compat_name is converted to a string
+    // QPDFObjectHandle literally, preserving whatever encoding it
+    // might happen to have.
+    QPDF_DLL
+    QPDFFileSpecObjectHelper& setFilename(
+        std::string const& unicode_name, std::string const& compat_name = "");
+
+  private:
+    class Members
+    {
+        friend class QPDFFileSpecObjectHelper;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members() = default;
+        Members(Members const&) = delete;
+    };
+
+    std::shared_ptr<Members> m;
+};
+
+#endif // QPDFFILESPECOBJECTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFFormFieldObjectHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFFormFieldObjectHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -41,9 +41,7 @@
     QPDF_DLL
     QPDFFormFieldObjectHelper(QPDFObjectHandle);
     QPDF_DLL
-    virtual ~QPDFFormFieldObjectHelper()
-    {
-    }
+    virtual ~QPDFFormFieldObjectHelper() = default;
 
     QPDF_DLL
     bool isNull();
@@ -54,6 +52,13 @@
     QPDF_DLL
     QPDFFormFieldObjectHelper getParent();
 
+    // Return the top-level field for this field. Typically this will
+    // be the field itself or its parent. If is_different is provided,
+    // it is set to true if the top-level field is different from the
+    // field itself; otherwise it is set to false.
+    QPDF_DLL
+    QPDFFormFieldObjectHelper getTopLevelField(bool* is_different = nullptr);
+
     // Get a field value, possibly inheriting the value from an
     // ancestor node.
     QPDF_DLL
@@ -114,12 +119,22 @@
     // the field tree into account. Returns the empty string if the
     // default appearance string is not available (because it's
     // erroneously absent or because this is not a variable text
-    // field).
+    // field). If not found in the field hierarchy, look in /AcroForm.
     QPDF_DLL
     std::string getDefaultAppearance();
 
+    // Return the default resource dictionary for the field. This
+    // comes not from the field but from the document-level /AcroForm
+    // dictionary. While several PDF generates put a /DR key in the
+    // form field's dictionary, experimentation suggests that many
+    // popular readers, including Adobe Acrobat and Acrobat Reader,
+    // ignore any /DR item on the field.
+    QPDF_DLL
+    QPDFObjectHandle getDefaultResources();
+
     // Return the quadding value, taking inheritance from the field
-    // tree into account. Returns 0 if quadding is not specified.
+    // tree into account. Returns 0 if quadding is not specified. Look
+    // in /AcroForm if not found in the field hierarchy.
     QPDF_DLL
     int getQuadding();
 
@@ -155,15 +170,21 @@
     QPDF_DLL
     std::vector<std::string> getChoices();
 
-    // Set an attribute to the given value
+    // Set an attribute to the given value. If you have a
+    // QPDFAcroFormDocumentHelper and you want to set the name of a
+    // field, use QPDFAcroFormDocumentHelper::setFormFieldName
+    // instead.
     QPDF_DLL
     void setFieldAttribute(std::string const& key, QPDFObjectHandle value);
 
     // Set an attribute to the given value as a Unicode string (UTF-16
-    // BE encoded). The input string should be UTF-8 encoded.
+    // BE encoded). The input string should be UTF-8 encoded. If you
+    // have a QPDFAcroFormDocumentHelper and you want to set the name
+    // of a field, use QPDFAcroFormDocumentHelper::setFormFieldName
+    // instead.
     QPDF_DLL
-    void setFieldAttribute(std::string const& key,
-                           std::string const& utf8_value);
+    void
+    setFieldAttribute(std::string const& key, std::string const& utf8_value);
 
     // Set /V (field value) to the given value. If need_appearances is
     // true and the field type is either /Tx (text) or /Ch (choice),
@@ -193,6 +214,7 @@
     void generateAppearance(QPDFAnnotationObjectHelper&);
 
   private:
+    QPDFObjectHandle getFieldFromAcroForm(std::string const& name);
     void setRadioButtonValue(QPDFObjectHandle name);
     void setCheckBoxValue(bool value);
     void generateTextAppearance(QPDFAnnotationObjectHelper&);
@@ -205,14 +227,14 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
+        Members() = default;
+        Members(Members const&) = delete;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFFORMFIELDOBJECTHELPER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFJob.hh Added

@@ -0,0 +1,723 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFJOB_HH
+#define QPDFJOB_HH
+
+#include <qpdf/Constants.h>
+#include <qpdf/DLL.h>
+#include <qpdf/PDFVersion.hh>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFOutlineObjectHelper.hh>
+#include <qpdf/QPDFPageObjectHelper.hh>
+
+#include <functional>
+#include <iostream>
+#include <list>
+#include <map>
+#include <memory>
+#include <set>
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+class QPDFWriter;
+class Pipeline;
+class QPDFLogger;
+
+class QPDFJob
+{
+  public:
+    static int constexpr LATEST_JOB_JSON = 1;
+
+    // Exit codes -- returned by getExitCode() after calling run()
+    static int constexpr EXIT_ERROR = qpdf_exit_error;
+    static int constexpr EXIT_WARNING = qpdf_exit_warning;
+    // For is-encrypted and requires-password
+    static int constexpr EXIT_IS_NOT_ENCRYPTED = qpdf_exit_is_not_encrypted;
+    static int constexpr EXIT_CORRECT_PASSWORD = qpdf_exit_correct_password;
+
+    // QPDFUsage is thrown if there are any usage-like errors when
+    // calling Config methods.
+    QPDF_DLL
+    QPDFJob();
+
+    // SETUP FUNCTIONS
+
+    // Initialize a QPDFJob object from argv, which must be a
+    // null-terminated array of null-terminated UTF-8-encoded C
+    // strings. The progname_env argument is the name of an
+    // environment variable which, if set, overrides the name of the
+    // executable for purposes of generating the --completion options.
+    // See QPDFArgParser for details. If a null pointer is passed in,
+    // the default value of "QPDF_EXECUTABLE" is used. This is used by
+    // the QPDF cli, which just initializes a QPDFJob from argv, calls
+    // run(), and handles errors and exit status issues. You can
+    // perform much of the cli functionality programmatically in this
+    // way rather than using the regular API. This is exposed in the C
+    // API, which makes it easier to get certain high-level qpdf
+    // functionality from other languages. If there are any
+    // command-line errors, this method will throw QPDFUsage which is
+    // derived from std::runtime_error. Other exceptions may be thrown
+    // in some cases. Note that argc, and argv should be UTF-8
+    // encoded. If you are calling this from a Windows Unicode-aware
+    // main (wmain), see QUtil::call_main_from_wmain for information
+    // about converting arguments to UTF-8. This method will mutate
+    // arguments that are passed to it.
+    QPDF_DLL
+    void initializeFromArgv(
+        char const* const argv, char const* progname_env = nullptr);
+
+    // Initialize a QPDFJob from json. Passing partial = true prevents
+    // this method from doing the final checks (calling
+    // checkConfiguration) after processing the json file. This makes
+    // it possible to initialize QPDFJob in stages using multiple json
+    // files or to have a json file that can be processed from the CLI
+    // with --job-json-file and be combined with other arguments. For
+    // example, you might include only encryption parameters, leaving
+    // it up to the rest of the command-line arguments to provide
+    // input and output files. initializeFromJson is called with
+    // partial = true when invoked from the command line. To make sure
+    // that the json file is fully valid on its own, just don't
+    // specify any other command-line flags. If there are any
+    // configuration errors, QPDFUsage is thrown. Some error messages
+    // may be CLI-centric. If an an exception tells you to use the
+    // "--some-option" option, set the "someOption" key in the JSON
+    // object instead.
+    QPDF_DLL
+    void initializeFromJson(std::string const& json, bool partial = false);
+
+    // Set name that is used to prefix verbose messages, progress
+    // messages, and other things that the library writes to output
+    // and error streams on the caller's behalf. Defaults to "qpdf".
+    QPDF_DLL
+    void setMessagePrefix(std::string const&);
+    QPDF_DLL
+    std::string getMessagePrefix() const;
+
+    // To capture or redirect output, configure the logger returned by
+    // getLogger(). By default, all QPDF and QPDFJob objects share the
+    // global logger. If you need a private logger for some reason,
+    // pass a new one to setLogger(). See comments in QPDFLogger.hh
+    // for details on configuring the logger.
+    //
+    // If you set a custom logger here, the logger will be passed to
+    // all subsequent QPDF objects created by this QPDFJob object.
+    QPDF_DLL
+    std::shared_ptr<QPDFLogger> getLogger();
+    QPDF_DLL
+    void setLogger(std::shared_ptr<QPDFLogger>);
+
+    // This deprecated method is the old way to capture output, but it
+    // didn't capture all output. See comments above for getLogger and
+    // setLogger. This will be removed in QPDF 12. For now, it
+    // configures a private logger, separating this object from the
+    // default logger, and calls setOutputStreams on that logger. See
+    // QPDFLogger.hh for additional details.
+    deprecated(
+        "configure logger from getLogger() or call setLogger()") QPDF_DLL void
+    setOutputStreams(std::ostream* out_stream, std::ostream* err_stream);
+
+    // You can register a custom progress reporter to be called by
+    // QPDFWriter (see QPDFWriter::registerProgressReporter). This is
+    // only called if you also request progress reporting through
+    // normal configuration methods (e.g., pass --progress, call
+    // config()->progress, etc.)
+    QPDF_DLL
+    void registerProgressReporter(std::function<void(int)>);
+
+    // Check to make sure no contradictory options have been
+    // specified. This is called automatically after initializing from
+    // argv or json and is also called by run, but you can call it
+    // manually as well. It throws a QPDFUsage exception if there are
+    // any errors. This Config object (see CONFIGURATION) also has a
+    // checkConfiguration method which calls this one.
+    QPDF_DLL
+    void checkConfiguration();
+
+    // Returns true if output is created by the specified job.
+    QPDF_DLL
+    bool createsOutput() const;
+
+    // SEE BELOW FOR MORE PUBLIC METHODS AND CLASSES
+  private:
+    // These structures are private but we need to define them before
+    // the public Config classes.
+    struct CopyAttachmentFrom
+    {
+        std::string path;
+        std::string password;
+        std::string prefix;
+    };
+
+    struct AddAttachment
+    {
+        AddAttachment() :
+            replace(false)
+        {
+        }
+
+        std::string path;
+        std::string key;
+        std::string filename;
+        std::string creationdate;
+        std::string moddate;
+        std::string mimetype;
+        std::string description;
+        bool replace;
+    };
+
+    struct PageSpec
+    {
+        PageSpec(
+            std::string const& filename,
+            char const* password,
+            std::string const& range);
+
+        std::string filename;
+        std::shared_ptr<char> password;
+        std::string range;
+    };
+
+  public:
+    // CONFIGURATION
+
+    // Configuration classes are implemented in QPDFJob_config.cc.
+
+    // The config() method returns a shared pointer to a Config
+    // object. The Config object contains methods that correspond with
+    // qpdf command-line arguments. You can use a fluent interface to
+    // configure a QPDFJob object that would do exactly the same thing
+    // as a specific qpdf command. The example qpdf-job.cc contains an
+    // example of this usage. You can also use initializeFromJson or
+    // initializeFromArgv to initialize a QPDFJob object.
+
+    // Notes about the Config methods:
+    //
+    // * Most of the method declarations are automatically generated
+    //   in header files that are included within the class
+    //   definitions. They correspond in predictable ways to the
+    //   command-line arguments and are generated from the same code
+    //   that generates the command-line argument parsing code.
+    //
+    // * Methods return pointers, rather than references, to
+    //   configuration objects. References might feel more familiar to
+    //   users of fluent interfaces, so why do we use pointers? The
+    //   main methods that create them return smart pointers so that
+    //   users can initialize them when needed, which you can't do
+    //   with references. Returning pointers instead of references
+    //   makes for a more uniform interface.
+
+    // Maintainer documentation: see the section in README-maintainer
+    // called "HOW TO ADD A COMMAND-LINE ARGUMENT", which contains
+    // references to additional places in the documentation.
+
+    class Config;
+
+    class AttConfig
+    {
+        friend class QPDFJob;
+        friend class Config;
+
+      public:
+        QPDF_DLL
+        Config* endAddAttachment();
+        QPDF_DLL
+        AttConfig* file(std::string const& parameter);
+
+#include <qpdf/auto_job_c_att.hh>
+
+      private:
+        AttConfig(Config*);
+        AttConfig(AttConfig const&) = delete;
+
+        Config* config;
+        AddAttachment att;
+    };
+
+    class CopyAttConfig
+    {
+        friend class QPDFJob;
+        friend class Config;
+
+      public:
+        QPDF_DLL
+        Config* endCopyAttachmentsFrom();
+        QPDF_DLL
+        CopyAttConfig* file(std::string const& parameter);
+
+#include <qpdf/auto_job_c_copy_att.hh>
+
+      private:
+        CopyAttConfig(Config*);
+        CopyAttConfig(CopyAttConfig const&) = delete;
+
+        Config* config;
+        CopyAttachmentFrom caf;
+    };
+
+    class PagesConfig
+    {
+        friend class QPDFJob;
+        friend class Config;
+
+      public:
+        QPDF_DLL
+        Config* endPages();
+        QPDF_DLL
+        PagesConfig* pageSpec(
+            std::string const& filename,
+            std::string const& range,
+            char const* password = nullptr);
+
+#include <qpdf/auto_job_c_pages.hh>
+
+      private:
+        PagesConfig(Config*);
+        PagesConfig(PagesConfig const&) = delete;
+
+        Config* config;
+    };
+
+    class UOConfig
+    {
+        friend class QPDFJob;
+        friend class Config;
+
+      public:
+        QPDF_DLL
+        Config* endUnderlayOverlay();
+        QPDF_DLL
+        UOConfig* file(std::string const& parameter);
+
+#include <qpdf/auto_job_c_uo.hh>
+
+      private:
+        UOConfig(Config*);
+        UOConfig(PagesConfig const&) = delete;
+
+        Config* config;
+    };
+
+    class EncConfig
+    {
+        friend class QPDFJob;
+        friend class Config;
+
+      public:
+        QPDF_DLL
+        Config* endEncrypt();
+        QPDF_DLL
+        EncConfig* file(std::string const& parameter);
+
+#include <qpdf/auto_job_c_enc.hh>
+
+      private:
+        EncConfig(Config*);
+        EncConfig(PagesConfig const&) = delete;
+
+        Config* config;
+    };
+
+    class Config
+    {
+        friend class QPDFJob;
+
+      public:
+        // Proxy to QPDFJob::checkConfiguration()
+        QPDF_DLL
+        void checkConfiguration();
+
+        QPDF_DLL
+        Config* inputFile(std::string const& filename);
+        QPDF_DLL
+        Config* emptyInput();
+        QPDF_DLL
+        Config* outputFile(std::string const& filename);
+        QPDF_DLL
+        Config* replaceInput();
+
+        QPDF_DLL
+        std::shared_ptr<CopyAttConfig> copyAttachmentsFrom();
+        QPDF_DLL
+        std::shared_ptr<AttConfig> addAttachment();
+        QPDF_DLL
+        std::shared_ptr<PagesConfig> pages();
+        QPDF_DLL
+        std::shared_ptr<UOConfig> overlay();
+        QPDF_DLL
+        std::shared_ptr<UOConfig> underlay();
+        QPDF_DLL
+        std::shared_ptr<EncConfig> encrypt(
+            int keylen,
+            std::string const& user_password,
+            std::string const& owner_password);
+
+#include <qpdf/auto_job_c_main.hh>
+
+      private:
+        Config() = delete;
+        Config(Config const&) = delete;
+        Config(QPDFJob& job) :
+            o(job)
+        {
+        }
+        QPDFJob& o;
+    };
+    friend class Config;
+
+    // Return a top-level configuration item. See CONFIGURATION above
+    // for details. If an invalid configuration is created (such as
+    // supplying contradictory options, omitting an input file, etc.),
+    // QPDFUsage is thrown. Note that error messages are CLI-centric,
+    // but you can map them into config calls. For example, if an
+    // exception tells you to use the --some-option flag, you should
+    // call config()->someOption() instead.
+    QPDF_DLL
+    std::shared_ptr<Config> config();
+
+    // Execute the job
+    QPDF_DLL
+    void run();
+
+    // CHECK STATUS -- these methods provide information known after
+    // run() is called.
+
+    QPDF_DLL
+    bool hasWarnings() const;
+
+    // Return one of the EXIT_* constants defined at the top of the
+    // class declaration. This may be called after run() when run()
+    // did not throw an exception. Takes into consideration whether
+    // isEncrypted or requiresPassword was called. Note that this
+    // function does not know whether run() threw an exception, so
+    // code that uses this to determine how to exit should explicitly
+    // use EXIT_ERROR if run() threw an exception.
+    QPDF_DLL
+    int getExitCode() const;
+
+    // Return value is bitwise OR of values from qpdf_encryption_status_e
+    QPDF_DLL
+    unsigned long getEncryptionStatus();
+
+    // HELPER FUNCTIONS -- methods useful for calling in handlers that
+    // interact with QPDFJob during run or initialization.
+
+    // If in verbose mode, call the given function, passing in the
+    // output stream and message prefix.
+    QPDF_DLL
+    void
+    doIfVerbose(std::function<void(Pipeline&, std::string const& prefix)> fn);
+
+    // Provide a string that is the help information ("schema" for the
+    // qpdf-specific JSON object) for the specified version of JSON
+    // output.
+    QPDF_DLL
+    static std::string json_out_schema(int version);
+
+    deprecated("use json_out_schema(version)") static std::string QPDF_DLL
+    json_out_schema_v1();
+
+    // Provide a string that is the help information for specified
+    // version of JSON format for QPDFJob.
+    QPDF_DLL
+    static std::string job_json_schema(int version);
+
+    deprecated("use job_json_schema(version)") static std::string QPDF_DLL
+    job_json_schema_v1();
+
+  private:
+    struct RotationSpec
+    {
+        RotationSpec(int angle = 0, bool relative = false) :
+            angle(angle),
+            relative(relative)
+        {
+        }
+
+        int angle;
+        bool relative;
+    };
+
+    enum password_mode_e { pm_bytes, pm_hex_bytes, pm_unicode, pm_auto };
+
+    struct UnderOverlay
+    {
+        UnderOverlay(char const* which) :
+            which(which),
+            to_nr("1-z"),
+            from_nr("1-z"),
+            repeat_nr("")
+        {
+        }
+
+        std::string which;
+        std::string filename;
+        std::shared_ptr<char> password;
+        std::string to_nr;
+        std::string from_nr;
+        std::string repeat_nr;
+        std::shared_ptr<QPDF> pdf;
+        std::vector<int> to_pagenos;
+        std::vector<int> from_pagenos;
+        std::vector<int> repeat_pagenos;
+    };
+
+    // Helper functions
+    static void usage(std::string const& msg);
+    static JSON json_schema(int json_version, std::set<std::string>* keys = 0);
+    static void parse_object_id(
+        std::string const& objspec, bool& trailer, int& obj, int& gen);
+    void parseRotationParameter(std::string const&);
+    std::vector<int> parseNumrange(char const* range, int max);
+
+    // Basic file processing
+    void processFile(
+        std::shared_ptr<QPDF>&,
+        char const* filename,
+        char const* password,
+        bool used_for_input,
+        bool main_input);
+    void processInputSource(
+        std::shared_ptr<QPDF>&,
+        std::shared_ptr<InputSource> is,
+        char const* password,
+        bool used_for_input);
+    void doProcess(
+        std::shared_ptr<QPDF>&,
+        std::function<void(QPDF*, char const*)> fn,
+        char const* password,
+        bool empty,
+        bool used_for_input,
+        bool main_input);
+    void doProcessOnce(
+        std::shared_ptr<QPDF>&,
+        std::function<void(QPDF*, char const*)> fn,
+        char const* password,
+        bool empty,
+        bool used_for_input,
+        bool main_input);
+
+    // Transformations
+    void setQPDFOptions(QPDF& pdf);
+    void handlePageSpecs(
+        QPDF& pdf,
+        bool& warnings,
+        std::vector<std::shared_ptr<QPDF>>& page_heap);
+    bool shouldRemoveUnreferencedResources(QPDF& pdf);
+    void handleRotations(QPDF& pdf);
+    void
+    getUOPagenos(UnderOverlay& uo, std::map<int, std::vector<int>>& pagenos);
+    void handleUnderOverlay(QPDF& pdf);
+    void doUnderOverlayForPage(
+        QPDF& pdf,
+        UnderOverlay& uo,
+        std::map<int, std::vector<int>>& pagenos,
+        size_t page_idx,
+        std::map<int, QPDFObjectHandle>& fo,
+        std::vector<QPDFPageObjectHelper>& pages,
+        QPDFPageObjectHelper& dest_page,
+        bool before);
+    void validateUnderOverlay(QPDF& pdf, UnderOverlay* uo);
+    void handleTransformations(QPDF& pdf);
+    void addAttachments(QPDF& pdf);
+    void copyAttachments(QPDF& pdf);
+
+    // Inspection
+    void doInspection(QPDF& pdf);
+    void doCheck(QPDF& pdf);
+    void showEncryption(QPDF& pdf);
+    void doShowObj(QPDF& pdf);
+    void doShowPages(QPDF& pdf);
+    void doListAttachments(QPDF& pdf);
+    void doShowAttachment(QPDF& pdf);
+
+    // Output generation
+    void doSplitPages(QPDF& pdf, bool& warnings);
+    void setWriterOptions(QPDF& pdf, QPDFWriter& w);
+    void setEncryptionOptions(QPDF&, QPDFWriter&);
+    void maybeFixWritePassword(int R, std::string& password);
+    void writeOutfile(QPDF& pdf);
+    void writeJSON(QPDF& pdf);
+
+    // JSON
+    void doJSON(QPDF& pdf, Pipeline*);
+    std::set<QPDFObjGen> getWantedJSONObjects();
+    void doJSONObject(
+        Pipeline* p, bool& first, std::string const& key, QPDFObjectHandle&);
+    void doJSONObjects(Pipeline* p, bool& first, QPDF& pdf);
+    void doJSONObjectinfo(Pipeline* p, bool& first, QPDF& pdf);
+    void doJSONPages(Pipeline* p, bool& first, QPDF& pdf);
+    void doJSONPageLabels(Pipeline* p, bool& first, QPDF& pdf);
+    void doJSONOutlines(Pipeline* p, bool& first, QPDF& pdf);
+    void doJSONAcroform(Pipeline* p, bool& first, QPDF& pdf);
+    void doJSONEncrypt(Pipeline* p, bool& first, QPDF& pdf);
+    void doJSONAttachments(Pipeline* p, bool& first, QPDF& pdf);
+    void addOutlinesToJson(
+        std::vector<QPDFOutlineObjectHelper> outlines,
+        JSON& j,
+        std::map<QPDFObjGen, int>& page_numbers);
+
+    enum remove_unref_e { re_auto, re_yes, re_no };
+
+    class Members
+    {
+        friend class QPDFJob;
+
+      public:
+        QPDF_DLL
+        ~Members() = default;
+
+      private:
+        Members();
+        Members(Members const&) = delete;
+
+        std::shared_ptr<QPDFLogger> log;
+        std::string message_prefix;
+        bool warnings;
+        unsigned long encryption_status;
+        bool verbose;
+        std::shared_ptr<char> password;
+        bool linearize;
+        bool decrypt;
+        int split_pages;
+        bool progress;
+        std::function<void(int)> progress_handler;
+        bool suppress_warnings;
+        bool warnings_exit_zero;
+        bool copy_encryption;
+        std::string encryption_file;
+        std::shared_ptr<char> encryption_file_password;
+        bool encrypt;
+        bool password_is_hex_key;
+        bool suppress_password_recovery;
+        password_mode_e password_mode;
+        bool allow_insecure;
+        bool allow_weak_crypto;
+        std::string user_password;
+        std::string owner_password;
+        int keylen;
+        bool r2_print;
+        bool r2_modify;
+        bool r2_extract;
+        bool r2_annotate;
+        bool r3_accessibility;
+        bool r3_extract;
+        bool r3_assemble;
+        bool r3_annotate_and_form;
+        bool r3_form_filling;
+        bool r3_modify_other;
+        qpdf_r3_print_e r3_print;
+        bool force_V4;
+        bool force_R5;
+        bool cleartext_metadata;
+        bool use_aes;
+        bool stream_data_set;
+        qpdf_stream_data_e stream_data_mode;
+        bool compress_streams;
+        bool compress_streams_set;
+        bool recompress_flate;
+        bool recompress_flate_set;
+        int compression_level;
+        qpdf_stream_decode_level_e decode_level;
+        bool decode_level_set;
+        bool normalize_set;
+        bool normalize;
+        bool suppress_recovery;
+        bool object_stream_set;
+        qpdf_object_stream_e object_stream_mode;
+        bool ignore_xref_streams;
+        bool qdf_mode;
+        bool preserve_unreferenced_objects;
+        remove_unref_e remove_unreferenced_page_resources;
+        bool keep_files_open;
+        bool keep_files_open_set;
+        size_t keep_files_open_threshold;
+        bool newline_before_endstream;
+        std::string linearize_pass1;
+        bool coalesce_contents;
+        bool flatten_annotations;
+        int flatten_annotations_required;
+        int flatten_annotations_forbidden;
+        bool generate_appearances;
+        PDFVersion max_input_version;
+        std::string min_version;
+        std::string force_version;
+        bool show_npages;
+        bool deterministic_id;
+        bool static_id;
+        bool static_aes_iv;
+        bool suppress_original_object_id;
+        bool show_encryption;
+        bool show_encryption_key;
+        bool check_linearization;
+        bool show_linearization;
+        bool show_xref;
+        bool show_trailer;
+        int show_obj;
+        int show_gen;
+        bool show_raw_stream_data;
+        bool show_filtered_stream_data;
+        bool show_pages;
+        bool show_page_images;
+        size_t collate;
+        bool flatten_rotation;
+        bool list_attachments;
+        std::string attachment_to_show;
+        std::list<std::string> attachments_to_remove;
+        std::list<AddAttachment> attachments_to_add;
+        std::list<CopyAttachmentFrom> attachments_to_copy;
+        int json_version;
+        std::set<std::string> json_keys;
+        std::set<std::string> json_objects;
+        qpdf_json_stream_data_e json_stream_data;
+        bool json_stream_data_set;
+        std::string json_stream_prefix;
+        bool test_json_schema;
+        bool check;
+        bool optimize_images;
+        bool externalize_inline_images;
+        bool keep_inline_images;
+        bool remove_page_labels;
+        size_t oi_min_width;
+        size_t oi_min_height;
+        size_t oi_min_area;
+        size_t ii_min_bytes;
+        UnderOverlay underlay;
+        UnderOverlay overlay;
+        UnderOverlay* under_overlay;
+        std::vector<PageSpec> page_specs;
+        std::map<std::string, RotationSpec> rotations;
+        bool require_outfile;
+        bool replace_input;
+        bool check_is_encrypted;
+        bool check_requires_password;
+        std::shared_ptr<char> infilename;
+        std::shared_ptr<char> outfilename;
+        bool json_input;
+        bool json_output;
+        std::string update_from_json;
+        bool report_mem_usage;
+    };
+    std::shared_ptr<Members> m;
+};
+
+#endif // QPDFOBJECT_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFLogger.hh Added

@@ -0,0 +1,183 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFLOGGER_HH
+#define QPDFLOGGER_HH
+
+#include <qpdf/DLL.h>
+#include <qpdf/Pipeline.hh>
+#include <iostream>
+#include <memory>
+
+class QPDFLogger
+{
+  public:
+    QPDF_DLL
+    static std::shared_ptr<QPDFLogger> create();
+
+    // Return the default logger. In general, you should use the
+    // default logger. You can also create your own loggers and use
+    // them QPDF and QPDFJob objects, but there are few reasons to do
+    // so. One reason may if you are using multiple QPDF or QPDFJob
+    // objects in different threads and want to capture output and
+    // errors to different streams. (Note that a single QPDF or
+    // QPDFJob can't be safely used from multiple threads, but it is
+    // safe to use separate QPDF and QPDFJob objects on separate
+    // threads.) Another possible reason would be if you are writing
+    // an application that uses the qpdf library directly and qpdf is
+    // also used by a downstream library or if you are using qpdf from
+    // a library and don't want to interfere with potential uses of
+    // qpdf by other libraries or applications.
+    QPDF_DLL
+    static std::shared_ptr<QPDFLogger> defaultLogger();
+
+    // Defaults:
+    //
+    // info -- if save is standard output, standard error, else standard output
+    // warn -- whatever error points to
+    // error -- standard error
+    // save -- undefined unless set
+    //
+    // "info" is used for diagnostic messages, verbose messages, and
+    // progress messages. "warn" is used for warnings. "error" is used
+    // for errors. "save" is used for saving output -- see below.
+    //
+    // On deletion, finish() is called for the standard output and
+    // standard error pipelines, which flushes output. If you supply
+    // any custom pipelines, you must call finish() on them yourself.
+    // Note that calling finish is not needed for string, stdio, or
+    // ostream pipelines.
+    //
+    // NOTES ABOUT THE SAVE PIPELINE
+    //
+    // The save pipeline is used by QPDFJob when some kind of binary
+    // output is being saved. This includes saving attachments and
+    // stream data and also includes when the output file is standard
+    // output. If you want to grab that output, you can call setSave.
+    // See examples/qpdfjob-save-attachment.cc and
+    // examples/qpdfjob-c-save-attachment.c.
+    //
+    // You should never set the save pipeline to the same destination
+    // as something else. Doing so will corrupt your save output. If
+    // you want to save to standard output, use the method
+    // saveToStandardOutput(). In addition to setting the save
+    // pipeline, that does the following extra things:
+    //
+    // * If standard output has been used, a logic error is thrown
+    // * If info is set to standard output at the time of the set save
+    //   call, it is switched to standard error.
+    //
+    // This is not a guarantee. You can still mess this up in ways
+    // that are not checked. Here are a few examples:
+    //
+    // * Don't set any pipeline to standard output *after* passing it
+    //   to setSave()
+    // * Don't use a separate mechanism to write stdout/stderr other
+    //   than QPDFLogger::standardOutput()
+    // * Don't set anything to the same custom pipeline that save is
+    //   set to.
+    //
+    // Just be sure that if you change pipelines around, you should
+    // avoid having the save pipeline also be used for any other
+    // purpose. The special case for saving to standard output allows
+    // you to call saveToStandardOutput() early without having to
+    // worry about the info pipeline.
+
+    QPDF_DLL
+    void info(char const*);
+    QPDF_DLL
+    void info(std::string const&);
+    QPDF_DLL
+    std::shared_ptr<Pipeline> getInfo(bool null_okay = false);
+
+    QPDF_DLL
+    void warn(char const*);
+    QPDF_DLL
+    void warn(std::string const&);
+    QPDF_DLL
+    std::shared_ptr<Pipeline> getWarn(bool null_okay = false);
+
+    QPDF_DLL
+    void error(char const*);
+    QPDF_DLL
+    void error(std::string const&);
+    QPDF_DLL
+    std::shared_ptr<Pipeline> getError(bool null_okay = false);
+
+    QPDF_DLL
+    std::shared_ptr<Pipeline> getSave(bool null_okay = false);
+
+    QPDF_DLL
+    std::shared_ptr<Pipeline> standardOutput();
+    QPDF_DLL
+    std::shared_ptr<Pipeline> standardError();
+    QPDF_DLL
+    std::shared_ptr<Pipeline> discard();
+
+    // Passing a null pointer resets to default
+    QPDF_DLL
+    void setInfo(std::shared_ptr<Pipeline>);
+    QPDF_DLL
+    void setWarn(std::shared_ptr<Pipeline>);
+    QPDF_DLL
+    void setError(std::shared_ptr<Pipeline>);
+    // See notes above about the save pipeline
+    QPDF_DLL
+    void setSave(std::shared_ptr<Pipeline>, bool only_if_not_set);
+    QPDF_DLL
+    void saveToStandardOutput(bool only_if_not_set);
+
+    // Shortcut for logic to reset output to new output/error streams.
+    // out_stream is used for info, err_stream is used for error, and
+    // warning is cleared so that it follows error.
+    QPDF_DLL
+    void setOutputStreams(std::ostream* out_stream, std::ostream* err_stream);
+
+  private:
+    QPDFLogger();
+    std::shared_ptr<Pipeline>
+    throwIfNull(std::shared_ptr<Pipeline>, bool null_okay);
+
+    class Members
+    {
+        friend class QPDFLogger;
+
+      public:
+        QPDF_DLL
+        ~Members();
+
+      private:
+        Members();
+        Members(Members const&) = delete;
+
+        std::shared_ptr<Pipeline> p_discard;
+        std::shared_ptr<Pipeline> p_real_stdout;
+        std::shared_ptr<Pipeline> p_stdout;
+        std::shared_ptr<Pipeline> p_stderr;
+        std::shared_ptr<Pipeline> p_info;
+        std::shared_ptr<Pipeline> p_warn;
+        std::shared_ptr<Pipeline> p_error;
+        std::shared_ptr<Pipeline> p_save;
+    };
+    std::shared_ptr<Members> m;
+};
+
+#endif // QPDFLOGGER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFMatrix.hh Added

@@ -0,0 +1,104 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFMATRIX_HH
+#define QPDFMATRIX_HH
+
+#include <qpdf/DLL.h>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <string>
+
+// This class represents a PDF transformation matrix using a tuple
+// such that
+//
+//                      ┌       ┐
+//                      │ a b 0 │
+// (a, b, c, d, e, f) = │ c d 0 │
+//                      │ e f 1 │
+//                      └       ┘
+
+class QPDFMatrix
+{
+  public:
+    QPDF_DLL
+    QPDFMatrix();
+    QPDF_DLL
+    QPDFMatrix(double a, double b, double c, double d, double e, double f);
+    QPDF_DLL
+    QPDFMatrix(QPDFObjectHandle::Matrix const&);
+
+    // Returns the six values separated by spaces as real numbers with
+    // trimmed zeroes.
+    QPDF_DLL
+    std::string unparse() const;
+
+    QPDF_DLL
+    QPDFObjectHandle::Matrix getAsMatrix() const;
+
+    // Replace this with other * this
+    QPDF_DLL
+    void concat(QPDFMatrix const& other);
+
+    // Same as concat(sx, 0, 0, sy, 0, 0)
+    QPDF_DLL
+    void scale(double sx, double sy);
+
+    // Same as concat(1, 0, 0, 1, tx, ty);
+    QPDF_DLL
+    void translate(double tx, double ty);
+
+    // Any value other than 90, 180, or 270 is ignored
+    QPDF_DLL
+    void rotatex90(int angle);
+
+    // Transform a point. The underlying operation is to take
+    // x y 1 * this
+    // and take the first and second rows of the result as xp and yp.
+    QPDF_DLL
+    void transform(double x, double y, double& xp, double& yp) const;
+
+    // Transform a rectangle by creating a new rectangle that tightly
+    // bounds the polygon resulting from transforming the four
+    // corners.
+    QPDF_DLL
+    QPDFObjectHandle::Rectangle
+    transformRectangle(QPDFObjectHandle::Rectangle r) const;
+
+    // operator== tests for exact equality, not considering deltas for
+    // floating point.
+    QPDF_DLL
+    bool operator==(QPDFMatrix const& rhs) const;
+    QPDF_DLL
+    bool
+    operator!=(QPDFMatrix const& rhs) const
+    {
+        return !operator==(rhs);
+    }
+
+    double a;
+    double b;
+    double c;
+    double d;
+    double e;
+    double f;
+};
+
+#endif // QPDFMATRIX_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFNameTreeObjectHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFNameTreeObjectHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,26 +22,38 @@
 #ifndef QPDFNAMETREEOBJECTHELPER_HH
 #define QPDFNAMETREEOBJECTHELPER_HH
 
-#include <qpdf/QPDFObjectHelper.hh>
 #include <qpdf/QPDFObjGen.hh>
+#include <qpdf/QPDFObjectHelper.hh>
+#include <iterator>
 #include <map>
+#include <memory>
 
 #include <qpdf/DLL.h>
 
 // This is an object helper for name trees. See section 7.9.6 in the
-// PDF spec (ISO 32000) for a description of name trees. This
-// implementation disregards stated limits and sequencing and simply
-// builds a map from string object. If the array of values does not
-// contain a string where expected, this implementation silently skips
-// forward until it finds a string. When looking up items in the name
-// tree, use UTF-8 strings. All names are normalized for lookup
-// purposes.
-
-class QPDFNameTreeObjectHelper: public QPDFObjectHelper
+// PDF spec (ISO 32000) for a description of name trees. When looking
+// up items in the name tree, use UTF-8 strings. All names are
+// normalized for lookup purposes.
+
+// See examples/pdf-name-number-tree.cc for a demonstration of using
+// QPDFNameTreeObjectHelper.
+
+class NNTreeImpl;
+class NNTreeIterator;
+class NNTreeDetails;
+
+class QPDF_DLL_CLASS QPDFNameTreeObjectHelper: public QPDFObjectHelper
 {
   public:
+    // The qpdf object is required so that this class can issue
+    // warnings, attempt repairs, and add indirect objects.
     QPDF_DLL
-    QPDFNameTreeObjectHelper(QPDFObjectHandle);
+    QPDFNameTreeObjectHelper(QPDFObjectHandle, QPDF&, bool auto_repair = true);
+
+    // Create an empty name tree
+    QPDF_DLL
+    static QPDFNameTreeObjectHelper newEmpty(QPDF&, bool auto_repair = true);
+
     QPDF_DLL
     virtual ~QPDFNameTreeObjectHelper();
 
@@ -51,33 +63,140 @@
     bool hasName(std::string const& utf8);
 
     // Find an object by name. If found, returns true and initializes
-    // oh.
+    // oh. See also find().
     QPDF_DLL
     bool findObject(std::string const& utf8, QPDFObjectHandle& oh);
 
+    class QPDF_DLL_PRIVATE iterator
+    {
+        friend class QPDFNameTreeObjectHelper;
+
+      public:
+        typedef std::pair<std::string, QPDFObjectHandle> T;
+        using iterator_category = std::bidirectional_iterator_tag;
+        using value_type = T;
+        using difference_type = long;
+        using pointer = T*;
+        using reference = T&;
+
+        virtual ~iterator() = default;
+        QPDF_DLL
+        bool valid() const;
+        QPDF_DLL
+        iterator& operator++();
+        QPDF_DLL
+        iterator
+        operator++(int)
+        {
+            iterator t = *this;
+            ++(*this);
+            return t;
+        }
+        QPDF_DLL
+        iterator& operator--();
+        QPDF_DLL
+        iterator
+        operator--(int)
+        {
+            iterator t = *this;
+            --(*this);
+            return t;
+        }
+        QPDF_DLL
+        reference operator*();
+        QPDF_DLL
+        pointer operator->();
+        QPDF_DLL
+        bool operator==(iterator const& other) const;
+        QPDF_DLL
+        bool
+        operator!=(iterator const& other) const
+        {
+            return !operator==(other);
+        }
+
+        // DANGER: this method can create inconsistent trees if not
+        // used properly! Insert a new item immediately after the
+        // current iterator and increment so that it points to the new
+        // item. If the current iterator is end(), insert at the
+        // beginning. This method does not check for proper ordering,
+        // so if you use it, you must ensure that the item you are
+        // inserting belongs where you are putting it. The reason for
+        // this method is that it is more efficient than insert() and
+        // can be used safely when you are creating a new tree and
+        // inserting items in sorted order.
+        QPDF_DLL
+        void insertAfter(std::string const& key, QPDFObjectHandle value);
+
+        // Remove the current item and advance the iterator to the
+        // next item.
+        QPDF_DLL
+        void remove();
+
+      private:
+        void updateIValue();
+
+        iterator(std::shared_ptr<NNTreeIterator> const&);
+        std::shared_ptr<NNTreeIterator> impl;
+        value_type ivalue;
+    };
+
+    // The iterator looks like map iterator, so i.first is a string
+    // and i.second is a QPDFObjectHandle. Incrementing end() brings
+    // you to the first item. Decrementing end() brings you to the
+    // last item.
+    QPDF_DLL
+    iterator begin() const;
+    QPDF_DLL
+    iterator end() const;
+    // Return a bidirectional iterator that points to the last item.
+    QPDF_DLL
+    iterator last() const;
+
+    // Find the entry with the given key. If return_prev_if_not_found
+    // is true and the item is not found, return the next lower item.
+    QPDF_DLL
+    iterator
+    find(std::string const& key, bool return_prev_if_not_found = false);
+
+    // Insert a new item. If the key already exists, it is replaced.
+    QPDF_DLL
+    iterator insert(std::string const& key, QPDFObjectHandle value);
+
+    // Remove an item. Return true if the item was found and removed;
+    // otherwise return false. If value is not null, initialize it to
+    // the value that was removed.
+    QPDF_DLL
+    bool remove(std::string const& key, QPDFObjectHandle* value = nullptr);
+
+    // Return the contents of the name tree as a map. Note that name
+    // trees may be very large, so this may use a lot of RAM. It is
+    // more efficient to use QPDFNameTreeObjectHelper's iterator.
     QPDF_DLL
     std::map<std::string, QPDFObjectHandle> getAsMap() const;
 
+    // Split a node if the number of items exceeds this value. There's
+    // no real reason to ever set this except for testing.
+    QPDF_DLL
+    void setSplitThreshold(int);
+
   private:
-    class Members
+    class QPDF_DLL_PRIVATE Members
     {
         friend class QPDFNameTreeObjectHelper;
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
+        Members(QPDFObjectHandle& oh, QPDF&, bool auto_repair);
+        Members(Members const&) = delete;
 
-        std::map<std::string, QPDFObjectHandle> entries;
-        std::set<QPDFObjGen> seen;
+        std::shared_ptr<NNTreeImpl> impl;
     };
 
-    void updateMap(QPDFObjectHandle oh);
-
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFNAMETREEOBJECTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFNumberTreeObjectHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFNumberTreeObjectHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,29 +22,38 @@
 #ifndef QPDFNUMBERTREEOBJECTHELPER_HH
 #define QPDFNUMBERTREEOBJECTHELPER_HH
 
-#include <qpdf/QPDFObjectHelper.hh>
 #include <qpdf/QPDFObjGen.hh>
-#include <functional>
+#include <qpdf/QPDFObjectHelper.hh>
 #include <map>
+#include <memory>
 
 #include <qpdf/DLL.h>
 
 // This is an object helper for number trees. See section 7.9.7 in the
-// PDF spec (ISO 32000) for a description of number trees. This
-// implementation disregards stated limits and sequencing and simply
-// builds a map from numerical index to object. If the array of
-// numbers does not contain a numerical value where expected, this
-// implementation silently skips forward until it finds a number.
+// PDF spec (ISO 32000) for a description of number trees.
+
+// See examples/pdf-name-number-tree.cc for a demonstration of using
+// QPDFNumberTreeObjectHelper.
 
-class QPDFNumberTreeObjectHelper: public QPDFObjectHelper
+class NNTreeImpl;
+class NNTreeIterator;
+class NNTreeDetails;
+
+class QPDF_DLL_CLASS QPDFNumberTreeObjectHelper: public QPDFObjectHelper
 {
   public:
+    // The qpdf object is required so that this class can issue
+    // warnings, attempt repairs, and add indirect objects.
     QPDF_DLL
-    QPDFNumberTreeObjectHelper(QPDFObjectHandle);
+    QPDFNumberTreeObjectHelper(
+        QPDFObjectHandle, QPDF&, bool auto_repair = true);
+
     QPDF_DLL
-    virtual ~QPDFNumberTreeObjectHelper()
-    {
-    }
+    virtual ~QPDFNumberTreeObjectHelper();
+
+    // Create an empty number tree
+    QPDF_DLL
+    static QPDFNumberTreeObjectHelper newEmpty(QPDF&, bool auto_repair = true);
 
     typedef long long int numtree_number;
 
@@ -60,7 +69,7 @@
     bool hasIndex(numtree_number idx);
 
     // Find an object with a specific index. If found, returns true
-    // and initializes oh.
+    // and initializes oh. See also find().
     QPDF_DLL
     bool findObject(numtree_number idx, QPDFObjectHandle& oh);
     // Find the object at the index or, if not found, the object whose
@@ -70,45 +79,144 @@
     // offset to the difference between the requested index and the
     // actual index. For example, if a number tree has values for 3
     // and 6 and idx is 5, this method would return true, initialize
-    // oh to the value with index 3, and set offset to 2 (5 - 3).
+    // oh to the value with index 3, and set offset to 2 (5 - 3). See
+    // also find().
     QPDF_DLL
-    bool findObjectAtOrBelow(numtree_number idx, QPDFObjectHandle& oh,
-                             numtree_number& offset);
+    bool findObjectAtOrBelow(
+        numtree_number idx, QPDFObjectHandle& oh, numtree_number& offset);
+
+    class QPDF_DLL_PRIVATE iterator
+    {
+        friend class QPDFNumberTreeObjectHelper;
 
+      public:
+        typedef std::pair<numtree_number, QPDFObjectHandle> T;
+        using iterator_category = std::bidirectional_iterator_tag;
+        using value_type = T;
+        using difference_type = long;
+        using pointer = T*;
+        using reference = T&;
+
+        virtual ~iterator() = default;
+        QPDF_DLL
+        bool valid() const;
+        QPDF_DLL
+        iterator& operator++();
+        QPDF_DLL
+        iterator
+        operator++(int)
+        {
+            iterator t = *this;
+            ++(*this);
+            return t;
+        }
+        QPDF_DLL
+        iterator& operator--();
+        QPDF_DLL
+        iterator
+        operator--(int)
+        {
+            iterator t = *this;
+            --(*this);
+            return t;
+        }
+        QPDF_DLL
+        reference operator*();
+        QPDF_DLL
+        pointer operator->();
+        QPDF_DLL
+        bool operator==(iterator const& other) const;
+        QPDF_DLL
+        bool
+        operator!=(iterator const& other) const
+        {
+            return !operator==(other);
+        }
+
+        // DANGER: this method can create inconsistent trees if not
+        // used properly! Insert a new item immediately after the
+        // current iterator and increment so that it points to the new
+        // item. If the current iterator is end(), insert at the
+        // beginning. This method does not check for proper ordering,
+        // so if you use it, you must ensure that the item you are
+        // inserting belongs where you are putting it. The reason for
+        // this method is that it is more efficient than insert() and
+        // can be used safely when you are creating a new tree and
+        // inserting items in sorted order.
+        QPDF_DLL
+        void insertAfter(numtree_number key, QPDFObjectHandle value);
+
+        // Remove the current item and advance the iterator to the
+        // next item.
+        QPDF_DLL
+        void remove();
+
+      private:
+        void updateIValue();
+
+        iterator(std::shared_ptr<NNTreeIterator> const&);
+        std::shared_ptr<NNTreeIterator> impl;
+        value_type ivalue;
+    };
+
+    // The iterator looks like map iterator, so i.first is a string
+    // and i.second is a QPDFObjectHandle. Incrementing end() brings
+    // you to the first item. Decrementing end() brings you to the
+    // last item.
+    QPDF_DLL
+    iterator begin() const;
+    QPDF_DLL
+    iterator end() const;
+    // Return a bidirectional iterator that points to the last item.
+    QPDF_DLL
+    iterator last() const;
+
+    // Find the entry with the given key. If return_prev_if_not_found
+    // is true and the item is not found, return the next lower item.
+    QPDF_DLL
+    iterator find(numtree_number key, bool return_prev_if_not_found = false);
+
+    // Insert a new item. If the key already exists, it is replaced.
+    QPDF_DLL
+    iterator insert(numtree_number key, QPDFObjectHandle value);
+
+    // Remove an item. Return true if the item was found and removed;
+    // otherwise return false. If value is not null, initialize it to
+    // the value that was removed.
+    QPDF_DLL
+    bool remove(numtree_number key, QPDFObjectHandle* value = nullptr);
+
+    // Return the contents of the number tree as a map. Note that
+    // number trees may be very large, so this may use a lot of RAM.
+    // It is more efficient to use QPDFNumberTreeObjectHelper's
+    // iterator.
     typedef std::map<numtree_number, QPDFObjectHandle> idx_map;
     QPDF_DLL
     idx_map getAsMap() const;
 
+    // Split a node if the number of items exceeds this value. There's
+    // no real reason to ever set this except for testing.
+    QPDF_DLL
+    void setSplitThreshold(int);
+
   private:
-    class Members
+    class QPDF_DLL_PRIVATE Members
     {
         friend class QPDFNumberTreeObjectHelper;
         typedef QPDFNumberTreeObjectHelper::numtree_number numtree_number;
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
-
-        // Use a reverse sorted map so we can use the lower_bound
-        // method for searching. lower_bound returns smallest entry
-        // not before the searched entry, meaning that the searched
-        // entry is the lower bound. There's also an upper_bound
-        // method, but it does not do what you'd think it should.
-        // lower_bound implements >=, and upper_bound implements >.
-        typedef std::map<numtree_number,
-                         QPDFObjectHandle,
-                         std::greater<numtree_number> > idx_map;
-        idx_map entries;
-        std::set<QPDFObjGen> seen;
-    };
+        Members(QPDFObjectHandle& oh, QPDF&, bool auto_repair);
+        Members(Members const&) = delete;
 
-    void updateMap(QPDFObjectHandle oh);
+        std::shared_ptr<NNTreeImpl> impl;
+    };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFNUMBERTREEOBJECTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFObjGen.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFObjGen.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -23,6 +23,7 @@
 #define QPDFOBJGEN_HH
 
 #include <qpdf/DLL.h>
+#include <iostream>
 
 // This class represents an object ID and generation pair.  It is
 // suitable to use as a key in a map or set.
@@ -31,19 +32,62 @@
 {
   public:
     QPDF_DLL
-    QPDFObjGen();
+    QPDFObjGen() :
+        obj(0),
+        gen(0)
+    {
+    }
     QPDF_DLL
-    QPDFObjGen(int obj, int gen);
+    explicit QPDFObjGen(int obj, int gen) :
+        obj(obj),
+        gen(gen)
+    {
+    }
     QPDF_DLL
-    bool operator<(QPDFObjGen const&) const;
+    bool
+    operator<(QPDFObjGen const& rhs) const
+    {
+        return (obj < rhs.obj) || ((obj == rhs.obj) && (gen < rhs.gen));
+    }
     QPDF_DLL
-    bool operator==(QPDFObjGen const&) const;
+    bool
+    operator==(QPDFObjGen const& rhs) const
+    {
+        return (obj == rhs.obj) && (gen == rhs.gen);
+    }
     QPDF_DLL
-    int getObj() const;
+    bool
+    operator!=(QPDFObjGen const& rhs) const
+    {
+        return (obj != rhs.obj) || (gen != rhs.gen);
+    }
     QPDF_DLL
-    int getGen() const;
+    int
+    getObj() const
+    {
+        return obj;
+    }
+    QPDF_DLL
+    int
+    getGen() const
+    {
+        return gen;
+    }
+    QPDF_DLL
+    bool
+    isIndirect() const
+    {
+        return obj != 0;
+    }
+    QPDF_DLL
+    std::string unparse(char separator = ',') const;
+    QPDF_DLL
+    friend std::ostream& operator<<(std::ostream& os, const QPDFObjGen& og);
 
   private:
+    // This class does not use the Members pattern to avoid a memory
+    // allocation for every one of these. A lot of these get created
+    // and destroyed.
     int obj;
     int gen;
 };

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFObject.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFObject.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -19,97 +19,61 @@
 // continue to consider qpdf to be licensed under those terms. Please
 // see the manual for additional information.
 
-#ifndef QPDFOBJECT_HH
-#define QPDFOBJECT_HH
+#ifndef QPDFOBJECT_OLD_HH
+#define QPDFOBJECT_OLD_HH
 
-#include <qpdf/DLL.h>
-#include <qpdf/PointerHolder.hh>
-#include <qpdf/JSON.hh>
+// **********************************************************************
+//
+//   This file is for backward compatibility. The header file for the
+//   internal QPDFObject class (not part of the public API) is in
+//   QPDFObject_private.hh (not installed).
+//
+// **********************************************************************
 
-#include <string>
+// ABI: in qpdf 12, leave this file in place and have it generate an
+// error. This is to prevent someone from being able to successfully
+// include this file and get a copy from a previous installation
+// thereby accidentally creating sources depend on having an older
+// version installed. When enough time has passed, this file can be
+// removed, and libqpdf/qpdf/QPDFObject_private.hh can be renamed to
+// libqpdf/qpdf/QPDFObject.hh.
 
-class QPDF;
-class QPDFObjectHandle;
+#ifndef QPDF_OBJECT_NOWARN
+// ABI: remove this file in qpdf 12
+# warning "QPDFObject.hh is deprecated see comments in QPDFObject.hh"
+#endif
 
+#include <qpdf/Constants.h>
 class QPDFObject
 {
   public:
-    QPDFObject();
-
-    // Objects derived from QPDFObject are accessible through
-    // QPDFObjectHandle.  Each object returns a unique type code that
-    // has one of the values in the list below.  As new object types
-    // are added to qpdf, additional items may be added to the list,
-    // so code that switches on these values should take that into
-    // consideration.
-    enum object_type_e {
-        // Object types internal to qpdf
-        ot_uninitialized,
-        ot_reserved,
-        // Object types that can occur in the main document
-        ot_null,
-        ot_boolean,
-        ot_integer,
-        ot_real,
-        ot_string,
-        ot_name,
-        ot_array,
-        ot_dictionary,
-        ot_stream,
-        // Additional object types that can occur in content streams
-        ot_operator,
-        ot_inlineimage,
-    };
-
-    virtual ~QPDFObject() {}
-    virtual std::string unparse() = 0;
-    virtual JSON getJSON() = 0;
-
-    // Return a unique type code for the object
-    virtual object_type_e getTypeCode() const = 0;
-
-    // Return a string literal that describes the type, useful for
-    // debugging and testing
-    virtual char const* getTypeName() const = 0;
-
-    // Accessor to give specific access to non-public methods
-    class ObjAccessor
-    {
-	friend class QPDF;
-	friend class QPDFObjectHandle;
-      private:
-	static void releaseResolved(QPDFObject* o)
-	{
-	    if (o)
-	    {
-		o->releaseResolved();
-	    }
-	}
-    };
-    friend class ObjAccessor;
-
-    virtual void setDescription(QPDF*, std::string const&);
-    bool getDescription(QPDF*&, std::string&);
-    bool hasDescription();
+    // This file and these symbols will be removed in QPDF 12. Instead
+    // of including this header, include <qpdf/Constants.h>. Replace
+    // `QPDFObject::ot_` with `::ot_` in your code.
 
-  protected:
-    virtual void releaseResolved() {}
+    // Prior to qpdf 10.5, qpdf_object_type_e was
+    // QPDFObject::object_type_e but was moved to make it accessible
+    // to the C API. The code below is for backward compatibility
+    // until qpdf 12.
+    typedef enum qpdf_object_type_e object_type_e;
+    static constexpr object_type_e ot_uninitialized = ::ot_uninitialized;
+    static constexpr object_type_e ot_reserved = ::ot_reserved;
+    static constexpr object_type_e ot_null = ::ot_null;
+    static constexpr object_type_e ot_boolean = ::ot_boolean;
+    static constexpr object_type_e ot_integer = ::ot_integer;
+    static constexpr object_type_e ot_real = ::ot_real;
+    static constexpr object_type_e ot_string = ::ot_string;
+    static constexpr object_type_e ot_name = ::ot_name;
+    static constexpr object_type_e ot_array = ::ot_array;
+    static constexpr object_type_e ot_dictionary = ::ot_dictionary;
+    static constexpr object_type_e ot_stream = ::ot_stream;
+    static constexpr object_type_e ot_operator = ::ot_operator;
+    static constexpr object_type_e ot_inlineimage = ::ot_inlineimage;
 
   private:
-    QPDFObject(QPDFObject const&);
-    QPDFObject& operator=(QPDFObject const&);
-    class Members
-    {
-        friend class QPDFObject;
-      public:
-        QPDF_DLL
-        ~Members();
-      private:
-        Members();
-        QPDF* owning_qpdf;
-        std::string object_description;
-    };
-    PointerHolder<Members> m;
+    QPDFObject() = delete;
+    QPDFObject(QPDFObject const&) = delete;
+    QPDFObject& operator=(QPDFObject const&) = delete;
 };
 
-#endif // QPDFOBJECT_HH
+#endif // QPDFOBJECT_OLD_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFObjectHandle.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFObjectHandle.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,60 +22,133 @@
 #ifndef QPDFOBJECTHANDLE_HH
 #define QPDFOBJECTHANDLE_HH
 
+#include <qpdf/Constants.h>
 #include <qpdf/DLL.h>
 #include <qpdf/Types.h>
-#include <qpdf/Constants.h>
 
+#include <functional>
+#include <map>
+#include <memory>
+#include <set>
 #include <string>
 #include <vector>
-#include <set>
-#include <map>
 
-#include <qpdf/QPDFObjGen.hh>
-#include <qpdf/PointerHolder.hh>
 #include <qpdf/Buffer.hh>
 #include <qpdf/InputSource.hh>
+#include <qpdf/JSON.hh>
+#include <qpdf/PointerHolder.hh>
+#include <qpdf/QPDFObjGen.hh>
 #include <qpdf/QPDFTokenizer.hh>
 
-#include <qpdf/QPDFObject.hh>
-
 class Pipeline;
 class QPDF;
-class QPDF_Dictionary;
 class QPDF_Array;
+class QPDF_Bool;
+class QPDF_Dictionary;
+class QPDF_InlineImage;
+class QPDF_Integer;
+class QPDF_Name;
+class QPDF_Null;
+class QPDF_Operator;
+class QPDF_Real;
+class QPDF_Reserved;
+class QPDF_Stream;
+class QPDF_String;
+class QPDFObject;
 class QPDFTokenizer;
 class QPDFExc;
 class Pl_QPDFTokenizer;
+class QPDFMatrix;
+class QPDFParser;
 
 class QPDFObjectHandle
 {
+    friend class QPDFParser;
+
   public:
     // This class is used by replaceStreamData.  It provides an
     // alternative way of associating stream data with a stream.  See
     // comments on replaceStreamData and newStream for additional
     // details.
-    class StreamDataProvider
+    class QPDF_DLL_CLASS StreamDataProvider
     {
       public:
-	QPDF_DLL
-	virtual ~StreamDataProvider()
-	{
-	}
-	// The implementation of this function must write stream data
-	// to the given pipeline. The stream data must conform to
-	// whatever filters are explicitly associated with the stream.
-	// QPDFWriter may, in some cases, add compression, but if it
-	// does, it will update the filters as needed. Every call to
-	// provideStreamData for a given stream must write the same
-	// data. The object ID and generation passed to this method
-	// are those that belong to the stream on behalf of which the
-	// provider is called. They may be ignored or used by the
-	// implementation for indexing or other purposes. This
-	// information is made available just to make it more
-	// convenient to use a single StreamDataProvider object to
-	// provide data for multiple streams.
-	virtual void provideStreamData(int objid, int generation,
-				       Pipeline* pipeline) = 0;
+        QPDF_DLL
+        StreamDataProvider(bool supports_retry = false);
+
+        QPDF_DLL
+        virtual ~StreamDataProvider();
+        // The implementation of this function must write stream data
+        // to the given pipeline. The stream data must conform to
+        // whatever filters are explicitly associated with the stream.
+        // QPDFWriter may, in some cases, add compression, but if it
+        // does, it will update the filters as needed. Every call to
+        // provideStreamData for a given stream must write the same
+        // data. Note that, when writing linearized files, qpdf will
+        // call your provideStreamData twice, and if it generates
+        // different output, you risk generating invalid output or
+        // having qpdf throw an exception. The object ID and
+        // generation passed to this method are those that belong to
+        // the stream on behalf of which the provider is called. They
+        // may be ignored or used by the implementation for indexing
+        // or other purposes. This information is made available just
+        // to make it more convenient to use a single
+        // StreamDataProvider object to provide data for multiple
+        // streams.
+
+        // A few things to keep in mind:
+        //
+        // * Stream data providers must not modify any objects since
+        //   they may be called after some parts of the file have
+        //   already been written.
+        //
+        // * Since qpdf may call provideStreamData multiple times when
+        //   writing linearized files, if the work done by your stream
+        //   data provider is slow or computationally intensive, you
+        //   might want to implement your own cache.
+        //
+        // * Once you have called replaceStreamData, the original
+        //   stream data is no longer directly accessible from the
+        //   stream, but this is easy to work around by copying the
+        //   stream to a separate QPDF object. The qpdf library
+        //   implements this very efficiently without actually making
+        //   a copy of the stream data. You can find examples of this
+        //   pattern in some of the examples, including
+        //   pdf-custom-filter.cc and pdf-invert-images.cc.
+
+        // Prior to qpdf 10.0.0, it was not possible to handle errors
+        // the way pipeStreamData does or to pass back success.
+        // Starting in qpdf 10.0.0, those capabilities have been added
+        // by allowing an alternative provideStreamData to be
+        // implemented. You must implement at least one of the
+        // versions of provideStreamData below. If you implement the
+        // version that supports retry and returns a value, you should
+        // pass true as the value of supports_retry in the base class
+        // constructor. This will cause the library to call that
+        // version of the method, which should also return a boolean
+        // indicating whether it ran without errors.
+        QPDF_DLL
+        virtual void
+        provideStreamData(QPDFObjGen const& og, Pipeline* pipeline);
+        QPDF_DLL
+        virtual bool provideStreamData(
+            QPDFObjGen const& og,
+            Pipeline* pipeline,
+            bool suppress_warnings,
+            bool will_retry);
+        QPDF_DLL virtual void
+        provideStreamData(int objid, int generation, Pipeline* pipeline);
+        QPDF_DLL virtual bool provideStreamData(
+            int objid,
+            int generation,
+            Pipeline* pipeline,
+            bool suppress_warnings,
+            bool will_retry);
+        QPDF_DLL
+        bool supportsRetry();
+
+      private:
+        bool supports_retry;
     };
 
     // The TokenFilter class provides a way to filter content streams
@@ -93,23 +166,33 @@
     // TokenFilters.
     //
     // Please note that when you call token.getValue() on a token of
-    // type tt_string, you get the string value without any
-    // delimiters. token.getRawValue() will return something suitable
-    // for being written to output, or calling writeToken with a
-    // string token will also work. The correct way to construct a
-    // string token that would write the literal value (str) is
-    // QPDFTokenizer::Token(QPDFTokenizer::tt_string, "str").
-    class TokenFilter
+    // type tt_string or tt_name, you get the canonical, "parsed"
+    // representation of the token. For a string, this means that
+    // there are no delimiters, and for a name, it means that all
+    // escaping (# followed by two hex digits) has been resolved.
+    // qpdf's internal representation of a name includes the leading
+    // slash. As such, you can't write the value of token.getValue()
+    // directly to output that is supposed to be valid PDF syntax. If
+    // you want to do that, you need to call writeToken() instead, or
+    // you can retrieve the token as it appeared in the input with
+    // token.getRawValue(). To construct a new string or name token
+    // from a canonical representation, use
+    // QPDFTokenizer::Token(QPDFTokenizer::tt_string, "parsed-str") or
+    // QPDFTokenizer::Token(QPDFTokenizer::tt_name,
+    // "/Canonical-Name"). Tokens created this way won't have a
+    // PDF-syntax raw value, but you can still write them with
+    // writeToken(). Example:
+    // writeToken(QPDFTokenizer::Token(QPDFTokenizer::tt_name, "/text/plain"))
+    // would write `/text#2fplain`, and
+    // writeToken(QPDFTokenizer::Token(QPDFTokenizer::tt_string, "a\\(b"))
+    // would write `(a\(b)`.
+    class QPDF_DLL_CLASS TokenFilter
     {
       public:
         QPDF_DLL
-        TokenFilter()
-        {
-        }
+        TokenFilter() = default;
         QPDF_DLL
-        virtual ~TokenFilter()
-        {
-        }
+        virtual ~TokenFilter() = default;
         virtual void handleToken(QPDFTokenizer::Token const&) = 0;
         QPDF_DLL
         virtual void handleEOF();
@@ -117,8 +200,10 @@
         class PipelineAccessor
         {
             friend class Pl_QPDFTokenizer;
+
           private:
-            static void setPipeline(TokenFilter* f, Pipeline* p)
+            static void
+            setPipeline(TokenFilter* f, Pipeline* p)
             {
                 f->setPipeline(p);
             }
@@ -133,6 +218,7 @@
         void writeToken(QPDFTokenizer::Token const&);
 
       private:
+        QPDF_DLL_PRIVATE
         void setPipeline(Pipeline*);
 
         Pipeline* pipeline;
@@ -144,25 +230,33 @@
     {
       public:
         QPDF_DLL
-        virtual ~StringDecrypter()
-        {
-        }
+        virtual ~StringDecrypter() = default;
         virtual void decryptString(std::string& val) = 0;
     };
 
     // This class is used by parsePageContents. Callers must
     // instantiate a subclass of this with handlers defined to accept
     // QPDFObjectHandles that are parsed from the stream.
-    class ParserCallbacks
+    class QPDF_DLL_CLASS ParserCallbacks
     {
       public:
         QPDF_DLL
-        virtual ~ParserCallbacks()
-        {
-        }
-        virtual void handleObject(QPDFObjectHandle) = 0;
+        virtual ~ParserCallbacks() = default;
+        // One of the handleObject methods must be overridden.
+        QPDF_DLL
+        virtual void handleObject(QPDFObjectHandle);
+        QPDF_DLL
+        virtual void
+        handleObject(QPDFObjectHandle, size_t offset, size_t length);
+
         virtual void handleEOF() = 0;
 
+        // Override this if you want to know the full size of the
+        // contents, possibly after concatenation of multiple streams.
+        // This is called before the first call to handleObject.
+        QPDF_DLL
+        virtual void contentSize(size_t);
+
       protected:
         // Implementors may call this method during parsing to
         // terminate parsing early. This method throws an exception
@@ -183,8 +277,7 @@
             ury(0.0)
         {
         }
-        Rectangle(double llx, double lly,
-                  double urx, double ury) :
+        Rectangle(double llx, double lly, double urx, double ury) :
             llx(llx),
             lly(lly),
             urx(urx),
@@ -198,7 +291,10 @@
         double ury;
     };
 
-    // Convenience object for transformation matrices
+    // Convenience object for transformation matrices. See also
+    // QPDFMatrix. Unfortunately we can't replace this with QPDFMatrix
+    // because QPDFMatrix's default constructor creates the identity
+    // transform matrix and this one is all zeroes.
     class Matrix
     {
       public:
@@ -211,8 +307,7 @@
             f(0.0)
         {
         }
-        Matrix(double a, double b, double c,
-               double d, double e, double f) :
+        Matrix(double a, double b, double c, double d, double e, double f) :
             a(a),
             b(b),
             c(c),
@@ -231,25 +326,33 @@
     };
 
     QPDF_DLL
-    QPDFObjectHandle();
+    QPDFObjectHandle() = default;
     QPDF_DLL
-    QPDFObjectHandle(QPDFObjectHandle const&);
+    QPDFObjectHandle(QPDFObjectHandle const&) = default;
     QPDF_DLL
-    QPDFObjectHandle&
-    operator=(QPDFObjectHandle const&);
+    QPDFObjectHandle& operator=(QPDFObjectHandle const&) = default;
     QPDF_DLL
-    bool isInitialized() const;
+    inline bool isInitialized() const;
+
+    // This method returns true if the QPDFObjectHandle objects point
+    // to exactly the same underlying object, meaning that changes to
+    // one are reflected in the other, or "if you paint one, the other
+    // one changes color." This does not perform a structural
+    // comparison of the contents of the objects.
+    QPDF_DLL
+    bool isSameObjectAs(QPDFObjectHandle const&) const;
 
     // Return type code and type name of underlying object.  These are
     // useful for doing rapid type tests (like switch statements) or
     // for testing and debugging.
     QPDF_DLL
-    QPDFObject::object_type_e getTypeCode();
+    qpdf_object_type_e getTypeCode();
     QPDF_DLL
     char const* getTypeName();
 
-    // Exactly one of these will return true for any object.  Operator
-    // and InlineImage are only allowed in content streams.
+    // Exactly one of these will return true for any initialized
+    // object. Operator and InlineImage are only allowed in content
+    // streams.
     QPDF_DLL
     bool isBool();
     QPDF_DLL
@@ -275,16 +378,45 @@
     QPDF_DLL
     bool isReserved();
 
+    // True for objects that are direct nulls. Does not attempt to
+    // resolve objects. This is intended for internal use, but it can
+    // be used as an efficient way to check for nulls that are not
+    // indirect objects.
+    QPDF_DLL
+    bool isDirectNull() const;
+
     // This returns true in addition to the query for the specific
     // type for indirect objects.
     QPDF_DLL
-    bool isIndirect();
+    inline bool isIndirect() const;
+
+    // This returns true for indirect objects from a QPDF that has
+    // been destroyed. Trying unparse such an object will throw a
+    // logic_error.
+    QPDF_DLL
+    bool isDestroyed();
 
     // True for everything except array, dictionary, stream, word, and
     // inline image.
     QPDF_DLL
     bool isScalar();
 
+    // True if the object is a name object representing the provided name.
+    QPDF_DLL
+    bool isNameAndEquals(std::string const& name);
+
+    // True if the object is a dictionary of the specified type and
+    // subtype, if any.
+    QPDF_DLL
+    bool isDictionaryOfType(
+        std::string const& type, std::string const& subtype = "");
+
+    // True if the object is a stream of the specified type and
+    // subtype, if any.
+    QPDF_DLL
+    bool
+    isStreamOfType(std::string const& type, std::string const& subtype = "");
+
     // Public factory methods
 
     // Wrap an object in an array if it is not already an array. This
@@ -299,10 +431,26 @@
     // object syntax (obj gen R) will cause a logic_error exception to
     // be thrown.  If object_description is provided, it will appear
     // in the message of any QPDFExc exception thrown for invalid
-    // syntax.
+    // syntax. See also the global `operator ""_qpdf` defined below.
     QPDF_DLL
-    static QPDFObjectHandle parse(std::string const& object_str,
-                                  std::string const& object_description = "");
+    static QPDFObjectHandle parse(
+        std::string const& object_str,
+        std::string const& object_description = "");
+
+    // Construct an object of any type from a string representation of
+    // the object. Indirect object syntax (obj gen R) is allowed and
+    // will create indirect references within the passed-in context.
+    // If object_description is provided, it will appear in the
+    // message of any QPDFExc exception thrown for invalid syntax.
+    // Note that you can't parse an indirect object reference all by
+    // itself as parse will stop at the end of the first complete
+    // object, which will just be the first number and will report
+    // that there is trailing data at the end of the string.
+    QPDF_DLL
+    static QPDFObjectHandle parse(
+        QPDF* context,
+        std::string const& object_str,
+        std::string const& object_description = "");
 
     // Construct an object as above by reading from the given
     // InputSource at its current position and using the tokenizer you
@@ -310,11 +458,21 @@
     // This method is intended to be called by QPDF for parsing
     // objects that are ready from the object's input stream.
     QPDF_DLL
-    static QPDFObjectHandle parse(PointerHolder<InputSource> input,
-                                  std::string const& object_description,
-                                  QPDFTokenizer&, bool& empty,
-                                  StringDecrypter* decrypter,
-                                  QPDF* context);
+    static QPDFObjectHandle parse(
+        std::shared_ptr<InputSource> input,
+        std::string const& object_description,
+        QPDFTokenizer&,
+        bool& empty,
+        StringDecrypter* decrypter,
+        QPDF* context);
+
+    // Return the offset where the object was found when parsed. A
+    // negative value means that the object was created without
+    // parsing. If the object is in a stream, the offset is from the
+    // beginning of the stream. Otherwise, the offset is from the
+    // beginning of the file.
+    QPDF_DLL
+    qpdf_offset_t getParsedOffset();
 
     // Older method: stream_or_array should be the value of /Contents
     // from a page object. It's more convenient to just call
@@ -322,8 +480,8 @@
     // error messages will also be more useful because the page object
     // information will be known.
     QPDF_DLL
-    static void parseContentStream(QPDFObjectHandle stream_or_array,
-                                   ParserCallbacks* callbacks);
+    static void parseContentStream(
+        QPDFObjectHandle stream_or_array, ParserCallbacks* callbacks);
 
     // When called on a stream or stream array that is some page's
     // content streams, do the same as pipePageContents. This method
@@ -335,10 +493,17 @@
     // messages. The all_description argument is initialized to
     // something that could be used to describe the result of the
     // pipeline. It is the description amended with the identifiers of
-    // the underlying objects.
-    QPDF_DLL
-    void pipeContentStreams(Pipeline* p, std::string const& description,
-                            std::string& all_description);
+    // the underlying objects. Please note that if there is an array
+    // of content streams, p->finish() is called after each stream. If
+    // you pass a pipeline that doesn't allow write() to be called
+    // after finish(), you can wrap it in an instance of
+    // Pl_Concatenate and then call manualFinish() on the
+    // Pl_Concatenate pipeline at the end.
+    QPDF_DLL
+    void pipeContentStreams(
+        Pipeline* p,
+        std::string const& description,
+        std::string& all_description);
 
     // As of qpdf 8, it is possible to add custom token filters to a
     // stream. The tokenized stream data is passed through the token
@@ -349,7 +514,8 @@
     // be applied to a page object, and which will automatically
     // handle the case of pages whose contents are split across
     // multiple streams.
-    void addTokenFilter(PointerHolder<TokenFilter> token_filter);
+    QPDF_DLL
+    void addTokenFilter(std::shared_ptr<TokenFilter> token_filter);
 
     // Legacy helpers for parsing content streams. These methods are
     // not going away, but newer code should call the correspond
@@ -361,12 +527,23 @@
     void parsePageContents(ParserCallbacks* callbacks);
     QPDF_DLL
     void filterPageContents(TokenFilter* filter, Pipeline* next = 0);
+    // See comments for QPDFPageObjectHelper::pipeContents.
     QPDF_DLL
     void pipePageContents(Pipeline* p);
     QPDF_DLL
-    void addContentTokenFilter(PointerHolder<TokenFilter> token_filter);
+    void addContentTokenFilter(std::shared_ptr<TokenFilter> token_filter);
     // End legacy content stream helpers
 
+    // Called on a stream to filter the stream as if it were page
+    // contents. This can be used to apply a TokenFilter to a form
+    // XObject, whose data is in the same format as a content stream.
+    QPDF_DLL
+    void filterAsContents(TokenFilter* filter, Pipeline* next = 0);
+    // Called on a stream to parse the stream as page contents. This
+    // can be used to parse a form XObject.
+    QPDF_DLL
+    void parseAsContents(ParserCallbacks* callbacks);
+
     // Type-specific factories
     QPDF_DLL
     static QPDFObjectHandle newNull();
@@ -377,15 +554,34 @@
     QPDF_DLL
     static QPDFObjectHandle newReal(std::string const& value);
     QPDF_DLL
-    static QPDFObjectHandle newReal(double value, int decimal_places = 0);
+    static QPDFObjectHandle newReal(
+        double value, int decimal_places = 0, bool trim_trailing_zeroes = true);
+    // Note about name objects: qpdf's internal representation of a
+    // PDF name is a sequence of bytes, excluding the NUL character,
+    // and starting with a slash. Name objects as represented in the
+    // PDF specification can contain characters escaped with #, but
+    // such escaping is not of concern when calling QPDFObjectHandle
+    // methods not directly relating to parsing. For example,
+    // newName("/text/plain").getName() and
+    // parse("/text#2fplain").getName() both return "/text/plain",
+    // while newName("/text/plain").unparse() and
+    // parse("/text#2fplain").unparse() both return "/text#2fplain".
+    // When working with the qpdf API for creating, retrieving, and
+    // modifying objects, you want to work with the internal,
+    // canonical representation. For names containing alphanumeric
+    // characters, dashes, and underscores, there is no difference
+    // between the two representations. For a lengthy discussion, see
+    // https://github.com/qpdf/qpdf/discussions/625.
     QPDF_DLL
     static QPDFObjectHandle newName(std::string const& name);
     QPDF_DLL
     static QPDFObjectHandle newString(std::string const& str);
-    // Create a string encoded in UTF-16 from the given utf8-encoded
-    // string. Such strings are appropriately encoded to appear in PDF
-    // files outside of content streams, such as in document metadata
-    // form field values, page labels, outlines, and similar locations.
+    // Create a string encoded from the given utf8-encoded string
+    // appropriately encoded to appear in PDF files outside of content
+    // streams, such as in document metadata form field values, page
+    // labels, outlines, and similar locations. We try ASCII first,
+    // then PDFDocEncoding, then UTF-16 as needed to successfully
+    // encode all the characters.
     QPDF_DLL
     static QPDFObjectHandle newUnicodeString(std::string const& utf8_str);
     QPDF_DLL
@@ -395,17 +591,19 @@
     QPDF_DLL
     static QPDFObjectHandle newArray();
     QPDF_DLL
-    static QPDFObjectHandle newArray(
-	std::vector<QPDFObjectHandle> const& items);
+    static QPDFObjectHandle
+    newArray(std::vector<QPDFObjectHandle> const& items);
     QPDF_DLL
     static QPDFObjectHandle newArray(Rectangle const&);
     QPDF_DLL
     static QPDFObjectHandle newArray(Matrix const&);
     QPDF_DLL
+    static QPDFObjectHandle newArray(QPDFMatrix const&);
+    QPDF_DLL
     static QPDFObjectHandle newDictionary();
     QPDF_DLL
-    static QPDFObjectHandle newDictionary(
-	std::map<std::string, QPDFObjectHandle> const& items);
+    static QPDFObjectHandle
+    newDictionary(std::map<std::string, QPDFObjectHandle> const& items);
 
     // Create an array from a rectangle. Equivalent to the rectangle
     // form of newArray.
@@ -415,6 +613,8 @@
     // form of newArray.
     QPDF_DLL
     static QPDFObjectHandle newFromMatrix(Matrix const&);
+    QPDF_DLL
+    static QPDFObjectHandle newFromMatrix(QPDFMatrix const&);
 
     // Create a new stream and associate it with the given qpdf
     // object.  A subsequent call must be made to replaceStreamData()
@@ -439,11 +639,11 @@
     // uncompressed stream data.  Example programs are provided that
     // illustrate this.
     QPDF_DLL
-    static QPDFObjectHandle newStream(QPDF* qpdf, PointerHolder<Buffer> data);
+    static QPDFObjectHandle newStream(QPDF* qpdf, std::shared_ptr<Buffer> data);
 
     // Create new stream with data from string.  This method will
     // create a copy of the data rather than using the user-provided
-    // buffer as in the PointerHolder<Buffer> version of newStream.
+    // buffer as in the std::shared_ptr<Buffer> version of newStream.
     QPDF_DLL
     static QPDFObjectHandle newStream(QPDF* qpdf, std::string const& data);
 
@@ -466,106 +666,264 @@
     static QPDFObjectHandle newReserved(QPDF* qpdf);
 
     // Provide an owning qpdf and object description. The library does
-    // this automatically with objects that are read from from the
-    // input PDF and with objects that are created programmatically
-    // and inserted into the QPDF by adding them to an array or a
-    // dictionary or creating a new indirect object. Most end user
+    // this automatically with objects that are read from the input
+    // PDF and with objects that are created programmatically and
+    // inserted into the QPDF as a new indirect object. Most end user
     // code will not need to call this. If an object has an owning
     // qpdf and object description, it enables qpdf to give warnings
     // with proper context in some cases where it would otherwise
-    // raise exceptions.
+    // raise exceptions. It is okay to add objects without an
+    // owning_qpdf to objects that have one, but it is an error to
+    // have a QPDF contain objects with owning_qpdf set to something
+    // else. To add objects from another qpdf, use copyForeignObject
+    // instead.
     QPDF_DLL
-    void setObjectDescription(QPDF* owning_qpdf,
-                              std::string const& object_description);
+    void setObjectDescription(
+        QPDF* owning_qpdf, std::string const& object_description);
     QPDF_DLL
     bool hasObjectDescription();
 
-    // Accessor methods.  If an accessor method that is valid for only
-    // a particular object type is called on an object of the wrong
-    // type, an exception is thrown.
+    // Accessor methods
+    //
+    // (Note: this comment is referenced in qpdf-c.h and the manual.)
+    //
+    // In PDF files, objects have specific types, but there is nothing
+    // that prevents PDF files from containing objects of types that
+    // aren't expected by the specification.
+    //
+    // There are two flavors of accessor methods:
+    //
+    // * getSomethingValue() returns the value and issues a type
+    //   warning if the type is incorrect.
+    //
+    // * getValueAsSomething() returns false if the value is the wrong
+    //   type. Otherwise, it returns true and initializes a reference
+    //   of the appropriate type. These methods never issue type
+    //   warnings.
+    //
+    // The getSomethingValue() accessors and some of the other methods
+    // expect objects of a particular type. Prior to qpdf 8, calling
+    // an accessor on a method of the wrong type, such as trying to
+    // get a dictionary key from an array, trying to get the string
+    // value of a number, etc., would throw an exception, but since
+    // qpdf 8, qpdf issues a warning and recovers using the following
+    // behavior:
+    //
+    // * Requesting a value of the wrong type (int value from string,
+    //   array item from a scalar or dictionary, etc.) will return a
+    //   zero-like value for that type: false for boolean, 0 for
+    //   number, the empty string for string, or the null object for
+    //   an object handle.
+    //
+    // * Accessing an array item that is out of bounds will return a
+    //   null object.
+    //
+    // * Attempts to mutate an object of the wrong type (e.g.,
+    //   attempting to add a dictionary key to a scalar or array) will
+    //   be ignored.
+    //
+    // When any of these fallback behaviors are used, qpdf issues a
+    // warning. Starting in qpdf 10.5, these warnings have the error
+    // code qpdf_e_object. Prior to 10.5, they had the error code
+    // qpdf_e_damaged_pdf. If the QPDFObjectHandle is associated with
+    // a QPDF object (as is the case for all objects whose origin was
+    // a PDF file), the warning is issued using the normal warning
+    // mechanism (as described in QPDF.hh), making it possible to
+    // suppress or otherwise detect them. If the QPDFObjectHandle is
+    // not associated with a QPDF object (meaning it was created
+    // programmatically), an exception will be thrown.
+    //
+    // The way to avoid getting any type warnings or exceptions, even
+    // when working with malformed PDF files, is to always check the
+    // type of a QPDFObjectHandle before accessing it (for example,
+    // make sure that isString() returns true before calling
+    // getStringValue()) and to always be sure that any array indices
+    // are in bounds.
+    //
+    // For additional discussion and rationale for this behavior, see
+    // the section in the QPDF manual entitled "Object Accessor
+    // Methods".
 
     // Methods for bool objects
     QPDF_DLL
     bool getBoolValue();
+    QPDF_DLL
+    bool getValueAsBool(bool&);
 
-    // Methods for integer objects
+    // Methods for integer objects. Note: if an integer value is too
+    // big (too far away from zero in either direction) to fit in the
+    // requested return type, the maximum or minimum value for that
+    // return type may be returned. For example, on a system with
+    // 32-bit int, a numeric object with a value of 2^40 (or anything
+    // too big for 32 bits) will be returned as INT_MAX.
     QPDF_DLL
     long long getIntValue();
+    QPDF_DLL
+    bool getValueAsInt(long long&);
+    QPDF_DLL
+    int getIntValueAsInt();
+    QPDF_DLL
+    bool getValueAsInt(int&);
+    QPDF_DLL
+    unsigned long long getUIntValue();
+    QPDF_DLL
+    bool getValueAsUInt(unsigned long long&);
+    QPDF_DLL
+    unsigned int getUIntValueAsUInt();
+    QPDF_DLL
+    bool getValueAsUInt(unsigned int&);
 
     // Methods for real objects
     QPDF_DLL
     std::string getRealValue();
+    QPDF_DLL
+    bool getValueAsReal(std::string&);
 
     // Methods that work for both integer and real objects
     QPDF_DLL
     bool isNumber();
     QPDF_DLL
     double getNumericValue();
+    QPDF_DLL
+    bool getValueAsNumber(double&);
 
-    // Methods for name objects; see also name and array objects
+    // Methods for name objects. The returned name value is in qpdf's
+    // canonical form with all escaping resolved. See comments for
+    // newName() for details.
     QPDF_DLL
     std::string getName();
+    QPDF_DLL
+    bool getValueAsName(std::string&);
 
     // Methods for string objects
     QPDF_DLL
     std::string getStringValue();
+    QPDF_DLL
+    bool getValueAsString(std::string&);
+
     // If a string starts with the UTF-16 marker, it is converted from
     // UTF-16 to UTF-8. Otherwise, it is treated as a string encoded
     // with PDF Doc Encoding. PDF Doc Encoding is identical to
     // ISO-8859-1 except in the range from 0200 through 0240, where
     // there is a mapping of characters to Unicode. QPDF versions
-    // prior to version erroneously left characters in that range
+    // prior to version 8.0.0 erroneously left characters in that range
     // unmapped.
     QPDF_DLL
     std::string getUTF8Value();
+    QPDF_DLL
+    bool getValueAsUTF8(std::string&);
 
     // Methods for content stream objects
     QPDF_DLL
     std::string getOperatorValue();
     QPDF_DLL
+    bool getValueAsOperator(std::string&);
+    QPDF_DLL
     std::string getInlineImageValue();
+    QPDF_DLL
+    bool getValueAsInlineImage(std::string&);
+
+    // Methods for array objects; see also name and array objects.
+
+    // Return an object that enables iteration over members. You can
+    // do
+    //
+    // for (auto iter: obj.aitems())
+    // {
+    //     // iter is an array element
+    // }
+    class QPDFArrayItems;
+    QPDF_DLL
+    QPDFArrayItems aitems();
 
-    // Methods for array objects; see also name and array objects
     QPDF_DLL
     int getArrayNItems();
     QPDF_DLL
     QPDFObjectHandle getArrayItem(int n);
+    // Note: QPDF arrays internally optimize memory for arrays
+    // containing lots of nulls. Calling getArrayAsVector may cause a
+    // lot of memory to be allocated for very large arrays with lots
+    // of nulls.
     QPDF_DLL
     std::vector<QPDFObjectHandle> getArrayAsVector();
     QPDF_DLL
     bool isRectangle();
-    // If the array an array of four numeric values, return as a
+    // If the array is an array of four numeric values, return as a
     // rectangle. Otherwise, return the rectangle 0, 0, 0, 0
     QPDF_DLL
     Rectangle getArrayAsRectangle();
     QPDF_DLL
     bool isMatrix();
-    // If the array an array of six numeric values, return as a
+    // If the array is an array of six numeric values, return as a
     // matrix. Otherwise, return the matrix 1, 0, 0, 1, 0, 0
     QPDF_DLL
     Matrix getArrayAsMatrix();
 
-    // Methods for dictionary objects
+    // Methods for dictionary objects. In all dictionary methods, keys
+    // are specified/represented as canonical name strings starting
+    // with a leading slash and not containing any PDF syntax
+    // escaping. See comments for getName() for details.
+
+    // Return an object that enables iteration over members. You can
+    // do
+    //
+    // for (auto iter: obj.ditems())
+    // {
+    //     // iter.first is the key
+    //     // iter.second is the value
+    // }
+    class QPDFDictItems;
+    QPDF_DLL
+    QPDFDictItems ditems();
+
+    // Return true if key is present.  Keys with null values are treated as if
+    // they are not present.  This is as per the PDF spec.
     QPDF_DLL
     bool hasKey(std::string const&);
+    // Return the value for the key.  If the key is not present, null is
+    // returned.
     QPDF_DLL
     QPDFObjectHandle getKey(std::string const&);
+    // If the object is null, return null. Otherwise, call getKey().
+    // This makes it easier to access lower-level dictionaries, as in
+    // auto font = page.getKeyIfDict("/Resources").getKeyIfDict("/Font");
+    QPDF_DLL
+    QPDFObjectHandle getKeyIfDict(std::string const&);
+    // Return all keys.  Keys with null values are treated as if
+    // they are not present.  This is as per the PDF spec.
     QPDF_DLL
     std::set<std::string> getKeys();
+    // Return dictionary as a map.  Entries with null values are included.
     QPDF_DLL
     std::map<std::string, QPDFObjectHandle> getDictAsMap();
 
-    // Methods for name and array objects
+    // Methods for name and array objects. The name value is in qpdf's
+    // canonical form with all escaping resolved. See comments for
+    // newName() for details.
     QPDF_DLL
     bool isOrHasName(std::string const&);
 
-    // Merge resource dictionaries. Assumes resource dictionaries have
-    // the property that the collection of keys of all first-level
-    // dictionary members contains no duplicates. This method does
-    // nothing if both this object and the other object are not
-    // dictionaries. Otherwise, it has following behavior, where
-    // "object" refers to the object whose method is invoked, and
-    // "other" refers to the argument:
+    // Make all resources in a resource dictionary indirect. This just
+    // goes through all entries of top-level subdictionaries and
+    // converts any direct objects to indirect objects. This can be
+    // useful to call before mergeResources if it is going to be
+    // called multiple times to prevent resources from being copied
+    // multiple times.
+    QPDF_DLL
+    void makeResourcesIndirect(QPDF& owning_qpdf);
+
+    // Merge resource dictionaries. If the "conflicts" parameter is
+    // provided, conflicts in dictionary subitems are resolved, and
+    // "conflicts" is initialized to a map such that
+    // conflictsresource_typeold_key == new_key
+    //
+    // See also makeResourcesIndirect, which can be useful to call
+    // before calling this.
+    //
+    // This method does nothing if both this object and the other
+    // object are not dictionaries. Otherwise, it has following
+    // behavior, where "object" refers to the object whose method is
+    // invoked, and "other" refers to the argument:
     //
     // * For each key in "other" whose value is an array:
     //   * If "object" does not have that entry, shallow copy it.
@@ -575,22 +933,31 @@
     // * For each key in "other" whose value is a dictionary:
     //   * If "object" does not have that entry, shallow copy it.
     //   * Otherwise, for each key in the subdictionary:
-    //     * If key is not present in "object"'s entry, shallow copy it.
-    //     * Otherwise, ignore. Conflicts are not detected.
+    //     * If key is not present in "object"'s entry, shallow copy
+    //       it if direct or just add it if indirect.
+    //     * Otherwise, if conflicts are being detected:
+    //       * If there is a key (oldkey) already in the dictionary
+    //         that points to the same indirect destination as key,
+    //         indicate that key was replaced by oldkey. This would
+    //         happen if these two resource dictionaries have
+    //         previously been merged.
+    //       * Otherwise pick a new key (newkey) that is unique within
+    //         the resource dictionary, store that in the resource
+    //         dictionary with key's destination as its destination,
+    //         and indicate that key was replaced by newkey.
     //
     // The primary purpose of this method is to facilitate merging of
     // resource dictionaries that are supposed to have the same scope
     // as each other. For example, this can be used to merge a form
-    // XObject's /Resources dictionary with a form field's /DR.
-    // Conflicts are not detected. If, in the future, there should be
-    // a need to detect conflicts, this method could detect them and
-    // return a mapping from old to new names. This mapping could be
-    // used for filtering the stream. This would be necessary, for
-    // example, to merge a form XObject's resources with a page's
-    // resources with the intention of concatenating the content
-    // streams.
+    // XObject's /Resources dictionary with a form field's /DR or to
+    // merge two /DR dictionaries. The "conflicts" parameter may be
+    // previously initialized. This method adds to whatever is already
+    // there, which can be useful when merging with multiple things.
     QPDF_DLL
-    void mergeResources(QPDFObjectHandle other);
+    void mergeResources(
+        QPDFObjectHandle other,
+        std::map<std::string, std::map<std::string, std::string>>* conflicts =
+            nullptr);
 
     // Get all resource names from a resource dictionary. If this
     // object is a dictionary, this method returns a set of all the
@@ -607,30 +974,106 @@
     // increase efficiency if adding multiple items with the same
     // prefix. (Why doesn't it set min_suffix to the next number?
     // Well, maybe you aren't going to actually use the name it
-    // returns.)
-    QPDF_DLL
-    std::string getUniqueResourceName(std::string const& prefix,
-                                      int& min_suffix);
-
-    // Return the QPDF object that owns an indirect object.  Returns
-    // null for a direct object.
-    QPDF_DLL
-    QPDF* getOwningQPDF();
-
-    // Create a shallow of an object as a direct object, but do not
+    // returns.) If you are calling this multiple times on the same
+    // resource dictionary, you can initialize resource_names by
+    // calling getResourceNames(), incrementally update it as you add
+    // resources, and keep passing it in so that getUniqueResourceName
+    // doesn't have to traverse the resource dictionary each time it's
+    // called.
+    QPDF_DLL
+    std::string getUniqueResourceName(
+        std::string const& prefix,
+        int& min_suffix,
+        std::set<std::string>* resource_names = nullptr);
+
+    // A QPDFObjectHandle has an owning QPDF if it is associated with
+    // ("owned by") a specific QPDF object. Indirect objects always
+    // have an owning QPDF. Direct objects that are read from the
+    // input source will also have an owning QPDF. Programmatically
+    // created objects will only have one if setObjectDescription was
+    // called.
+    //
+    // When the QPDF object that owns an object is destroyed, the
+    // object is changed into a null, and its owner is cleared.
+    // Therefore you should not retain the value of an owning QPDF
+    // beyond the life of the QPDF. If in doubt, ask for it each time
+    // you need it.
+
+    // getOwningQPDF returns a pointer to the owning QPDF is the
+    // object has one. Otherwise, it returns a null pointer. Use this
+    // when you are able to handle the case of an object that doesn't
+    // have an owning QPDF.
+    QPDF_DLL
+    QPDF* getOwningQPDF() const;
+    // getQPDF, new in qpdf 11, returns a reference owning QPDF. If
+    // there is none, it throws a runtime_error. Use this when you
+    // know the object has to have an owning QPDF, such as when it's a
+    // known indirect object. Since streams are always indirect
+    // objects, this method can be used safely for streams. If
+    // error_msg is specified, it will be used at the contents of the
+    // runtime_error if there is now owner.
+    QPDF_DLL
+    QPDF& getQPDF(std::string const& error_msg = "") const;
+
+    // Create a shallow copy of an object as a direct object, but do not
     // traverse across indirect object boundaries. That means that,
     // for dictionaries and arrays, any keys or items that were
     // indirect objects will still be indirect objects that point to
-    // the same place.
+    // the same place. In the strictest sense, this is not a shallow
+    // copy because it recursively descends arrays and dictionaries;
+    // it just doesn't cross over indirect objects. See also
+    // unsafeShallowCopy(). You can't copy a stream this way. See
+    // copyStream() instead.
     QPDF_DLL
     QPDFObjectHandle shallowCopy();
 
-    // Mutator methods.  Use with caution.
+    // Create a true shallow copy of an array or dictionary, just
+    // copying the immediate items (array) or keys (dictionary). This
+    // is "unsafe" because, if you *modify* any of the items in the
+    // copy, you are modifying the original, which is almost never
+    // what you want. However, if your intention is merely to
+    // *replace* top-level items or keys and not to modify lower-level
+    // items in the copy, this method is much faster than
+    // shallowCopy().
+    QPDF_DLL
+    QPDFObjectHandle unsafeShallowCopy();
+
+    // Create a copy of this stream. The new stream and the old stream
+    // are independent: after the copy, either the original or the
+    // copy's dictionary or data can be modified without affecting the
+    // other. This uses StreamDataProvider internally, so no
+    // unnecessary copies of the stream's data are made. If the source
+    // stream's data is already being provided by a
+    // StreamDataProvider, the new stream will use the same one, so
+    // you have to make sure your StreamDataProvider can handle that
+    // case. But if you're already using a StreamDataProvider, you
+    // probably don't need to call this method.
+    QPDF_DLL
+    QPDFObjectHandle copyStream();
+
+    // Mutator methods.
+
+    // Since qpdf 11: for mutators that may add or remove an item,
+    // there are additional versions whose names contain "AndGet" that
+    // return the added or removed item. For example:
+    //
+    //   auto new_dict = dict.replaceKeyAndGetNew(
+    //       "/New", QPDFObjectHandle::newDictionary());
+    //
+    //   auto old_value = dict.replaceKeyAndGetOld(
+    //       "/New", "(something)"_qpdf);
 
-    // Recursively copy this object, making it direct.  Throws an
-    // exception if a loop is detected or any sub-object is a stream.
+    // Recursively copy this object, making it direct. An exception is
+    // thrown if a loop is detected. With allow_streams true, keep
+    // indirect object references to streams. Otherwise, throw an
+    // exception if any sub-object is a stream. Note that, when
+    // allow_streams is true and a stream is found, the resulting
+    // object is still associated with the containing qpdf. When
+    // allow_streams is false, the object will no longer be connected
+    // to the original QPDF object after this call completes
+    // successfully.
     QPDF_DLL
-    void makeDirect();
+    void makeDirect(bool allow_streams = false);
 
     // Mutator methods for array objects
     QPDF_DLL
@@ -638,33 +1081,74 @@
     QPDF_DLL
     void setArrayFromVector(std::vector<QPDFObjectHandle> const& items);
     // Insert an item before the item at the given position ("at") so
-    // that it has that position after insertion.  If "at" is equal to
+    // that it has that position after insertion. If "at" is equal to
     // the size of the array, insert the item at the end.
     QPDF_DLL
     void insertItem(int at, QPDFObjectHandle const& item);
+    // Like insertItem but return the item that was inserted.
+    QPDF_DLL
+    QPDFObjectHandle insertItemAndGetNew(int at, QPDFObjectHandle const& item);
+    // Append an item to an array.
     QPDF_DLL
     void appendItem(QPDFObjectHandle const& item);
+    // Append an item, and return the newly added item.
+    QPDF_DLL
+    QPDFObjectHandle appendItemAndGetNew(QPDFObjectHandle const& item);
     // Remove the item at that position, reducing the size of the
     // array by one.
     QPDF_DLL
     void eraseItem(int at);
+    // Erase and item and return the item that was removed.
+    QPDF_DLL
+    QPDFObjectHandle eraseItemAndGetOld(int at);
 
     // Mutator methods for dictionary objects
 
-    // Replace value of key, adding it if it does not exist
+    // Replace value of key, adding it if it does not exist. If value
+    // is null, remove the key.
     QPDF_DLL
-    void replaceKey(std::string const& key, QPDFObjectHandle);
-    // Remove key, doing nothing if key does not exist
+    void replaceKey(std::string const& key, QPDFObjectHandle const& value);
+    // Replace value of key and return the value.
+    QPDF_DLL
+    QPDFObjectHandle
+    replaceKeyAndGetNew(std::string const& key, QPDFObjectHandle const& value);
+    // Replace value of key and return the old value, or null if the
+    // key was previously not present.
+    QPDF_DLL
+    QPDFObjectHandle
+    replaceKeyAndGetOld(std::string const& key, QPDFObjectHandle const& value);
+    // Remove key, doing nothing if key does not exist.
     QPDF_DLL
     void removeKey(std::string const& key);
-    // If the object is null, remove the key.  Otherwise, replace it.
+    // Remove key and return the old value. If the old value didn't
+    // exist, return a null object.
     QPDF_DLL
-    void replaceOrRemoveKey(std::string const& key, QPDFObjectHandle);
+    QPDFObjectHandle removeKeyAndGetOld(std::string const& key);
+
+    // ABI: Remove in qpdf 12
+    deprecated("use replaceKey -- it does the same thing") QPDF_DLL void
+    replaceOrRemoveKey(std::string const& key, QPDFObjectHandle const&);
 
     // Methods for stream objects
     QPDF_DLL
     QPDFObjectHandle getDict();
 
+    // By default, or if true passed, QPDFWriter will attempt to
+    // filter a stream based on decode level, whether compression is
+    // enabled, and its ability to filter. Passing false will prevent
+    // QPDFWriter from attempting to filter the stream even if it can.
+    // This includes both decoding and compressing. This makes it
+    // possible for you to prevent QPDFWriter from uncompressing and
+    // recompressing a stream that it knows how to operate on for any
+    // application-specific reason, such as that you have already
+    // optimized its filtering. Note that this doesn't affect any
+    // other ways to get the stream's data, such as pipeStreamData or
+    // getStreamData.
+    QPDF_DLL
+    void setFilterOnWrite(bool);
+    QPDF_DLL
+    bool getFilterOnWrite();
+
     // If addTokenFilter has been called for this stream, then the
     // original data should be considered to be modified. This means we
     // should avoid optimizations such as not filtering a stream that
@@ -675,12 +1159,12 @@
     // Returns filtered (uncompressed) stream data.  Throws an
     // exception if the stream is filtered and we can't decode it.
     QPDF_DLL
-    PointerHolder<Buffer> getStreamData(
-        qpdf_stream_decode_level_e level = qpdf_dl_generalized);
+    std::shared_ptr<Buffer>
+    getStreamData(qpdf_stream_decode_level_e level = qpdf_dl_generalized);
 
     // Returns unfiltered (raw) stream data.
     QPDF_DLL
-    PointerHolder<Buffer> getRawStreamData();
+    std::shared_ptr<Buffer> getRawStreamData();
 
     // Write stream data through the given pipeline. A null pipeline
     // value may be used if all you want to do is determine whether a
@@ -716,24 +1200,48 @@
     // we determine that we know how to apply all requested filters,
     // do so and return true if we are successful.
     //
-    // In all cases, a return value of true means that filtered data
-    // has been written successfully. If filtering is requested but
-    // this method returns false, it means there was some error in the
-    // filtering, in which case the resulting data is likely partially
-    // filtered and/or incomplete and may not be consistent with the
-    // configured filters. QPDFWriter handles this by attempting to
-    // get the stream data without filtering, but callers should
-    // consider a false return value when decode_level is not
-    // qpdf_dl_none to be a potential loss of data. If you intend to
-    // retry in that case, pass true as the value of will_retry. This
-    // changes the warning issued by the library to indicate that the
-    // operation will be retried without filtering to avoid data loss.
-    QPDF_DLL
-    bool pipeStreamData(Pipeline*,
-                        unsigned long encode_flags,
-                        qpdf_stream_decode_level_e decode_level,
-                        bool suppress_warnings = false,
-                        bool will_retry = false);
+    // The exact meaning of the return value differs the different
+    // versions of this function, but for any version, the meaning has
+    // been the same. For the main version, added in qpdf 10, the
+    // return value indicates whether the overall operation succeeded.
+    // The filter parameter, if specified, will be set to whether or
+    // not filtering was attempted. If filtering was not requested,
+    // this value will be false even if the overall operation
+    // succeeded.
+    //
+    // If filtering is requested but this method returns false, it
+    // means there was some error in the filtering, in which case the
+    // resulting data is likely partially filtered and/or incomplete
+    // and may not be consistent with the configured filters.
+    // QPDFWriter handles this by attempting to get the stream data
+    // without filtering, but callers should consider a false return
+    // value when decode_level is not qpdf_dl_none to be a potential
+    // loss of data. If you intend to retry in that case, pass true as
+    // the value of will_retry. This changes the warning issued by the
+    // library to indicate that the operation will be retried without
+    // filtering to avoid data loss.
+
+    // Return value is overall success, even if filtering is not
+    // requested.
+    QPDF_DLL
+    bool pipeStreamData(
+        Pipeline*,
+        bool* filtering_attempted,
+        int encode_flags,
+        qpdf_stream_decode_level_e decode_level,
+        bool suppress_warnings = false,
+        bool will_retry = false);
+
+    // Legacy version. Return value is whether filtering was
+    // attempted. There is no way to determine success if filtering
+    // was not attempted.
+    QPDF_DLL
+    bool pipeStreamData(
+        Pipeline*,
+        int encode_flags,
+        qpdf_stream_decode_level_e decode_level,
+        bool suppress_warnings = false,
+        bool will_retry = false);
 
     // Legacy pipeStreamData. This maps to the the flags-based
     // pipeStreamData as follows:
@@ -741,9 +1249,9 @@
     //  filter = true                   -> decode_level = qpdf_dl_generalized
     //    normalize = true -> encode_flags |= qpdf_sf_normalize
     //    compress = true  -> encode_flags |= qpdf_sf_compress
+    // Return value is whether filtering was attempted.
     QPDF_DLL
-    bool pipeStreamData(Pipeline*, bool filter,
-			bool normalize, bool compress);
+    bool pipeStreamData(Pipeline*, bool filter, bool normalize, bool compress);
 
     // Replace a stream's dictionary.  The new dictionary must be
     // consistent with the stream's data.  This is most appropriately
@@ -752,28 +1260,38 @@
     // may be more convenient in this case than calling getDict and
     // modifying it for each key.  The pdf-create example does this.
     QPDF_DLL
-    void replaceDict(QPDFObjectHandle);
+    void replaceDict(QPDFObjectHandle const&);
+
+    // REPLACING STREAM DATA
 
-    // Replace this stream's stream data with the given data buffer,
-    // and replace the /Filter and /DecodeParms keys in the stream
-    // dictionary with the given values.  (If either value is empty,
-    // the corresponding key is removed.)  The stream's /Length key is
-    // replaced with the length of the data buffer.  The stream is
-    // interpreted as if the data read from the file, after any
-    // decryption filters have been applied, is as presented.
+    // Note about all replaceStreamData methods: whatever values are
+    // passed as filter and decode_parms will overwrite /Filter and
+    // /DecodeParms in the stream. Passing a null object
+    // (QPDFObjectHandle::newNull()) will remove those values from the
+    // stream dictionary. From qpdf 11, passing an *uninitialized*
+    // QPDFObjectHandle (QPDFObjectHandle()) will leave any existing
+    // values untouched.
+
+    // Replace this stream's stream data with the given data buffer.
+    // The stream's /Length key is replaced with the length of the
+    // data buffer. The stream is interpreted as if the data read from
+    // the file, after any decryption filters have been applied, is as
+    // presented.
     QPDF_DLL
-    void replaceStreamData(PointerHolder<Buffer> data,
-			   QPDFObjectHandle const& filter,
-			   QPDFObjectHandle const& decode_parms);
+    void replaceStreamData(
+        std::shared_ptr<Buffer> data,
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms);
 
     // Replace the stream's stream data with the given string.
     // This method will create a copy of the data rather than using
-    // the user-provided buffer as in the PointerHolder<Buffer> version
+    // the user-provided buffer as in the std::shared_ptr<Buffer> version
     // of replaceStreamData.
     QPDF_DLL
-    void replaceStreamData(std::string const& data,
-			   QPDFObjectHandle const& filter,
-			   QPDFObjectHandle const& decode_parms);
+    void replaceStreamData(
+        std::string const& data,
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms);
 
     // As above, replace this stream's stream data.  Instead of
     // directly providing a buffer with the stream data, call the
@@ -801,9 +1319,30 @@
     // parameter.  You can also simplify your code by not having to
     // compute the length in advance.
     QPDF_DLL
-    void replaceStreamData(PointerHolder<StreamDataProvider> provider,
-			   QPDFObjectHandle const& filter,
-			   QPDFObjectHandle const& decode_parms);
+    void replaceStreamData(
+        std::shared_ptr<StreamDataProvider> provider,
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms);
+
+    // Starting in qpdf 10.2, you can use C++-11 function objects
+    // instead of StreamDataProvider.
+
+    // The provider should write the stream data to the pipeline. For
+    // a one-liner to replace stream data with the contents of a file,
+    // pass QUtil::file_provider(filename) as provider.
+    QPDF_DLL
+    void replaceStreamData(
+        std::function<void(Pipeline*)> provider,
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms);
+    // The provider should write the stream data to the pipeline,
+    // returning true if it succeeded without errors.
+    QPDF_DLL
+    void replaceStreamData(
+        std::function<bool(Pipeline*, bool suppress_warnings, bool will_retry)>
+            provider,
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms);
 
     // Access object ID and generation.  For direct objects, return
     // object ID 0.
@@ -817,9 +1356,9 @@
     QPDF_DLL
     QPDFObjGen getObjGen() const;
     QPDF_DLL
-    int getObjectID() const;
+    inline int getObjectID() const;
     QPDF_DLL
-    int getGeneration() const;
+    inline int getGeneration() const;
 
     QPDF_DLL
     std::string unparse();
@@ -830,24 +1369,92 @@
     QPDF_DLL
     std::string unparseBinary();
 
-    // Return encoded as JSON. For most object types, there is an
-    // obvious mapping. The JSON is generated as follows:
-    // * Names are encoded as strings representing the normalized value of
-    //   getName()
+    // Return encoded as JSON. The constant JSON::LATEST can be used
+    // to specify the latest available JSON version. The JSON is
+    // generated as follows:
+    // * Arrays, dictionaries, booleans, nulls, integers, and real
+    //   numbers are represented by their native JSON types.
+    // * Names are encoded as strings representing the canonical
+    //   representation (after parsing #xx) and preceded by a slash,
+    //   just as unparse() returns. For example, the JSON for the
+    //   PDF-syntax name /Text#2fPlain would be "/Text/Plain".
     // * Indirect references are encoded as strings containing "obj gen R"
-    // * Strings are encoded as UTF-8 strings with unrepresentable binary
-    //   characters encoded as \uHHHH
-    // * Encoding streams just encodes the stream's dictionary; the stream
-    //   data is not represented
+    // * Strings
+    //   * JSON v1: Strings are encoded as UTF-8 strings with
+    //     unrepresentable binary characters encoded as \uHHHH.
+    //     Characters in PDF Doc encoding that don't have
+    //     bidirectional unicode mappings are not reversible. There is
+    //     no way to tell the difference between a string that looks
+    //     like a name or indirect object from an actual name or
+    //     indirect object.
+    //   * JSON v2:
+    //     * Unicode strings and strings encoded with PDF Doc encoding
+    //       that can be bidrectionally mapped two Unicode (which is
+    //       all strings without undefined characters) are represented
+    //       as "u:" followed by the UTF-8 encoded string. Example:
+    //       "u:potato".
+    //     * All other strings are represented as "b:" followed by a
+    //       hexadecimal encoding of the string. Example: "b:0102cacb"
+    // * Streams
+    //   * JSON v1: Only the stream's dictionary is encoded. There is
+    //     no way tell a stream from a dictionary other than context.
+    //   * JSON v2: A stream is encoded as {"dict": {...}} with the
+    //     value being the encoding of the stream's dictionary. Since
+    //     "dict" does not otherwise represent anything, this is
+    //     unambiguous. The getStreamJSON() call can be used to add
+    //     encoding of the stream's data.
     // * Object types that are only valid in content streams (inline
-    //   image, operator) as well as "reserved" objects are not
-    //   representable and will be serialized as "null".
+    //   image, operator) are serialized as "null". Attempting to
+    //   serialize a "reserved" object is an error.
     // If dereference_indirect is true and this is an indirect object,
     // show the actual contents of the object. The effect of
     // dereference_indirect applies only to this object. It is not
     // recursive.
     QPDF_DLL
-    JSON getJSON(bool dereference_indirect = false);
+    JSON getJSON(int json_version, bool dereference_indirect = false);
+
+    // Deprecated version uses v1 for backward compatibility.
+    // ABI: remove for qpdf 12
+    deprecated("Use getJSON(int version)") QPDF_DLL JSON
+    getJSON(bool dereference_indirect = false);
+
+    // This method can be called on a stream to get a more extended
+    // JSON representation of the stream that includes the stream's
+    // data. The JSON object returned is always a dictionary whose
+    // "dict" key is an encoding of the stream's dictionary. The
+    // representation of the data is determined by the json_data
+    // field.
+    //
+    // The json_data field may have the value qpdf_sj_none,
+    // qpdf_sj_inline, or qpdf_sj_file.
+    //
+    // If json_data is qpdf_sj_none, stream data is not represented.
+    //
+    // If json_data is qpdf_sj_inline or qpdf_sj_file, then stream
+    // data is filtered or not based on the value of decode_level,
+    // which has the same meaning as with pipeStreamData.
+    //
+    // If json_data is qpdf_sj_inline, the base64-encoded stream data
+    // is included in the "data" field of the dictionary that is
+    // returned.
+    //
+    // If json_data is qpdf_sj_file, then the Pipeline ("p") and
+    // data_filename argument must be supplied. The value of
+    // data_filename is stored in the resulting json in the "datafile"
+    // key but is not otherwise use. The stream data itself (raw or
+    // filtered depending on decode level), is written to the pipeline
+    // via pipeStreamData().
+    //
+    // NOTE: When json_data is qpdf_sj_inline, the QPDF object from
+    // which the stream originates must remain valid until after the
+    // JSON object is written.
+    QPDF_DLL
+    JSON getStreamJSON(
+        int json_version,
+        qpdf_json_stream_data_e json_data,
+        qpdf_stream_decode_level_e decode_level,
+        Pipeline* p,
+        std::string const& data_filename);
 
     // Legacy helper methods for commonly performed operations on
     // pages. Newer code should use QPDFPageObjectHelper instead. The
@@ -867,35 +1474,39 @@
     // End legacy page helpers
 
     // Issue a warning about this object if possible. If the object
-    // has a description, a warning will be issued. Otherwise, if
-    // throw_if_no_description is true, throw an exception. Otherwise
-    // do nothing. Objects read normally from the file have
+    // has a description, a warning will be issued using the owning
+    // QPDF as context. Otherwise, a message will be written to the
+    // default logger's error stream, which is standard error if not
+    // overridden. Objects read normally from the file have
     // descriptions. See comments on setObjectDescription for
     // additional details.
     QPDF_DLL
-    void warnIfPossible(std::string const& warning,
-                        bool throw_if_no_description = false);
+    void warnIfPossible(std::string const& warning);
 
     // Initializers for objects.  This Factory class gives the QPDF
     // class specific permission to call factory methods without
     // making it a friend of the whole QPDFObjectHandle class.
     class Factory
     {
-	friend class QPDF;
+        friend class QPDF;
+
       private:
-	static QPDFObjectHandle newIndirect(QPDF* qpdf,
-					    int objid, int generation)
-	{
-	    return QPDFObjectHandle::newIndirect(qpdf, objid, generation);
-	}
-	// object must be dictionary object
-	static QPDFObjectHandle newStream(
-	    QPDF* qpdf, int objid, int generation,
-	    QPDFObjectHandle stream_dict, qpdf_offset_t offset, size_t length)
-	{
-	    return QPDFObjectHandle::newStream(
-		qpdf, objid, generation, stream_dict, offset, length);
-	}
+        static QPDFObjectHandle
+        newIndirect(std::shared_ptr<QPDFObject> const& obj)
+        {
+            return QPDFObjectHandle(obj);
+        }
+        static QPDFObjectHandle
+        newStream(
+            QPDF* qpdf,
+            QPDFObjGen const& og,
+            QPDFObjectHandle stream_dict,
+            qpdf_offset_t offset,
+            size_t length)
+        {
+            return QPDFObjectHandle::newStream(
+                qpdf, og, stream_dict, offset, length);
+        }
     };
     friend class Factory;
 
@@ -903,30 +1514,47 @@
     // call this.
     class ObjAccessor
     {
-	friend class QPDF;
+        friend class QPDF;
+
       private:
-	static PointerHolder<QPDFObject> getObject(QPDFObjectHandle& o)
-	{
-	    o.dereference();
-	    return o.m->obj;
-	}
+        static std::shared_ptr<QPDFObject>
+        getObject(QPDFObjectHandle& o)
+        {
+            if (!o.dereference()) {
+                throw std::logic_error("attempted to dereference an"
+                                       " uninitialized QPDFObjectHandle");
+            };
+            return o.obj;
+        }
+        static QPDF_Array*
+        asArray(QPDFObjectHandle& oh)
+        {
+            return oh.asArray();
+        }
+        static QPDF_Stream*
+        asStream(QPDFObjectHandle& oh)
+        {
+            return oh.asStream();
+        }
     };
     friend class ObjAccessor;
 
     // Provide access to specific classes for recursive
-    // releaseResolved().
-    class ReleaseResolver
+    // disconnected().
+    class DisconnectAccess
     {
-	friend class QPDF_Dictionary;
-	friend class QPDF_Array;
+        friend class QPDF_Dictionary;
         friend class QPDF_Stream;
+        friend class SparseOHArray;
+
       private:
-	static void releaseResolved(QPDFObjectHandle& o)
-	{
-	    o.releaseResolved();
-	}
+        static void
+        disconnect(QPDFObjectHandle& o)
+        {
+            o.disconnect();
+        }
     };
-    friend class ReleaseResolver;
+    friend class Resetter;
 
     // Convenience routine: Throws if the assumption is violated. Your
     // code will be better if you call one of the isType methods and
@@ -979,76 +1607,311 @@
     QPDF_DLL
     void assertPageObject();
 
-  private:
-    QPDFObjectHandle(QPDF*, int objid, int generation);
-    QPDFObjectHandle(QPDFObject*);
+    QPDF_DLL
+    bool isFormXObject();
 
-    enum parser_state_e
+    // Indicate if this is an image. If exclude_imagemask is true,
+    // don't count image masks as images.
+    QPDF_DLL
+    bool isImage(bool exclude_imagemask = true);
+
+  private:
+    QPDFObjectHandle(std::shared_ptr<QPDFObject> const& obj) :
+        obj(obj)
     {
-        st_top,
-        st_start,
-        st_stop,
-        st_eof,
-        st_dictionary,
-        st_array
-    };
+    }
 
     // Private object factory methods
-    static QPDFObjectHandle newIndirect(QPDF*, int objid, int generation);
     static QPDFObjectHandle newStream(
-	QPDF* qpdf, int objid, int generation,
-	QPDFObjectHandle stream_dict, qpdf_offset_t offset, size_t length);
-
-    void typeWarning(char const* expected_type,
-                     std::string const& warning);
+        QPDF* qpdf,
+        QPDFObjGen const& og,
+        QPDFObjectHandle stream_dict,
+        qpdf_offset_t offset,
+        size_t length);
+
+    QPDF_Array* asArray();
+    QPDF_Bool* asBool();
+    QPDF_Dictionary* asDictionary();
+    QPDF_InlineImage* asInlineImage();
+    QPDF_Integer* asInteger();
+    QPDF_Name* asName();
+    QPDF_Null* asNull();
+    QPDF_Operator* asOperator();
+    QPDF_Real* asReal();
+    QPDF_Reserved* asReserved();
+    QPDF_Stream* asStream();
+    QPDF_Stream* asStreamWithAssert();
+    QPDF_String* asString();
+
+    void typeWarning(char const* expected_type, std::string const& warning);
     void objectWarning(std::string const& warning);
     void assertType(char const* type_name, bool istype);
-    void dereference();
-    void copyObject(std::set<QPDFObjGen>& visited, bool cross_indirect);
-    void releaseResolved();
-    static void setObjectDescriptionFromInput(
-        QPDFObjectHandle, QPDF*, std::string const&,
-        PointerHolder<InputSource>, qpdf_offset_t);
-    static QPDFObjectHandle parseInternal(
-        PointerHolder<InputSource> input,
-        std::string const& object_description,
-        QPDFTokenizer& tokenizer, bool& empty,
-        StringDecrypter* decrypter, QPDF* context,
-        bool content_stream);
+    bool dereference();
+    void copyObject(
+        std::set<QPDFObjGen>& visited,
+        bool cross_indirect,
+        bool first_level_only,
+        bool stop_at_streams);
+    void shallowCopyInternal(QPDFObjectHandle& oh, bool first_level_only);
+    void disconnect();
+    void setParsedOffset(qpdf_offset_t offset);
     void parseContentStream_internal(
-        std::string const& description,
-        ParserCallbacks* callbacks);
+        std::string const& description, ParserCallbacks* callbacks);
     static void parseContentStream_data(
-        PointerHolder<Buffer>,
+        std::shared_ptr<Buffer>,
         std::string const& description,
-        ParserCallbacks* callbacks);
+        ParserCallbacks* callbacks,
+        QPDF* context);
     std::vector<QPDFObjectHandle> arrayOrStreamToStreamArray(
         std::string const& description, std::string& all_description);
     static void warn(QPDF*, QPDFExc const&);
+    void checkOwnership(QPDFObjectHandle const&) const;
+
+    // Moving members of QPDFObjectHandle into a smart pointer incurs
+    // a substantial performance penalty since QPDFObjectHandle
+    // objects are copied around so frequently.
+    std::shared_ptr<QPDFObject> obj;
+};
+
+#ifndef QPDF_NO_QPDF_STRING
+// This is short for QPDFObjectHandle::parse, so you can do
+
+// auto oh = "<< /Key (value) >>"_qpdf;
+
+// If this is causing problems in your code, define
+// QPDF_NO_QPDF_STRING to prevent the declaration from being here.
+
+/* clang-format off */
+// Disable formatting for this declaration: emacs font-lock in cc-mode
+// (as of 28.1) treats the rest of the file as a string if
+// clang-format removes the space after "operator", and as of
+// clang-format 15, there's no way to prevent it from doing so.
+QPDF_DLL
+QPDFObjectHandle operator ""_qpdf(char const* v, size_t len);
+/* clang-format on */
+
+#endif // QPDF_NO_QPDF_STRING
+
+class QPDFObjectHandle::QPDFDictItems
+{
+    // This class allows C++-style iteration, including range-for
+    // iteration, around dictionaries. You can write
+
+    // for (auto iter: QPDFDictItems(dictionary_obj))
+    // {
+    //     // iter.first is a string
+    //     // iter.second is a QPDFObjectHandle
+    // }
+
+    // See examples/pdf-name-number-tree.cc for a demonstration of
+    // using this API.
+
+  public:
+    QPDF_DLL
+    QPDFDictItems(QPDFObjectHandle const& oh);
+
+    class iterator
+    {
+        friend class QPDFDictItems;
+
+      public:
+        typedef std::pair<std::string, QPDFObjectHandle> T;
+        using iterator_category = std::bidirectional_iterator_tag;
+        using value_type = T;
+        using difference_type = long;
+        using pointer = T*;
+        using reference = T&;
+
+        QPDF_DLL
+        virtual ~iterator() = default;
+        QPDF_DLL
+        iterator& operator++();
+        QPDF_DLL
+        iterator
+        operator++(int)
+        {
+            iterator t = *this;
+            ++(*this);
+            return t;
+        }
+        QPDF_DLL
+        iterator& operator--();
+        QPDF_DLL
+        iterator
+        operator--(int)
+        {
+            iterator t = *this;
+            --(*this);
+            return t;
+        }
+        QPDF_DLL
+        reference operator*();
+        QPDF_DLL
+        pointer operator->();
+        QPDF_DLL
+        bool operator==(iterator const& other) const;
+        QPDF_DLL
+        bool
+        operator!=(iterator const& other) const
+        {
+            return !operator==(other);
+        }
+
+      private:
+        iterator(QPDFObjectHandle& oh, bool for_begin);
+        void updateIValue();
+
+        class Members
+        {
+            friend class QPDFDictItems::iterator;
+
+          public:
+            QPDF_DLL
+            ~Members() = default;
+
+          private:
+            Members(QPDFObjectHandle& oh, bool for_begin);
+            Members() = delete;
+            Members(Members const&) = delete;
+
+            QPDFObjectHandle& oh;
+            std::set<std::string> keys;
+            std::set<std::string>::iterator iter;
+            bool is_end;
+        };
+        std::shared_ptr<Members> m;
+        value_type ivalue;
+    };
 
-    class Members
+    QPDF_DLL
+    iterator begin();
+    QPDF_DLL
+    iterator end();
+
+  private:
+    QPDFObjectHandle oh;
+};
+
+class QPDFObjectHandle::QPDFArrayItems
+{
+    // This class allows C++-style iteration, including range-for
+    // iteration, around arrays. You can write
+
+    // for (auto iter: QPDFArrayItems(array_obj))
+    // {
+    //     // iter is a QPDFObjectHandle
+    // }
+
+    // See examples/pdf-name-number-tree.cc for a demonstration of
+    // using this API.
+
+  public:
+    QPDF_DLL
+    QPDFArrayItems(QPDFObjectHandle const& oh);
+
+    class iterator
     {
-        friend class ObjAccessor;
-        friend class QPDFObjectHandle;
+        friend class QPDFArrayItems;
 
       public:
+        typedef QPDFObjectHandle T;
+        using iterator_category = std::bidirectional_iterator_tag;
+        using value_type = T;
+        using difference_type = long;
+        using pointer = T*;
+        using reference = T&;
+
+        QPDF_DLL
+        virtual ~iterator() = default;
         QPDF_DLL
-        ~Members();
+        iterator& operator++();
+        QPDF_DLL
+        iterator
+        operator++(int)
+        {
+            iterator t = *this;
+            ++(*this);
+            return t;
+        }
+        QPDF_DLL
+        iterator& operator--();
+        QPDF_DLL
+        iterator
+        operator--(int)
+        {
+            iterator t = *this;
+            --(*this);
+            return t;
+        }
+        QPDF_DLL
+        reference operator*();
+        QPDF_DLL
+        pointer operator->();
+        QPDF_DLL
+        bool operator==(iterator const& other) const;
+        QPDF_DLL
+        bool
+        operator!=(iterator const& other) const
+        {
+            return !operator==(other);
+        }
 
       private:
-        Members();
-        Members(QPDF* qpdf, int objid, int generation);
-        Members(QPDFObject* data);
+        iterator(QPDFObjectHandle& oh, bool for_begin);
+        void updateIValue();
+
+        class Members
+        {
+            friend class QPDFArrayItems::iterator;
 
-        bool initialized;
+          public:
+            QPDF_DLL
+            ~Members() = default;
 
-        QPDF* qpdf;
-        int objid;			// 0 for direct object
-        int generation;
-        PointerHolder<QPDFObject> obj;
-        bool reserved;
+          private:
+            Members(QPDFObjectHandle& oh, bool for_begin);
+            Members() = delete;
+            Members(Members const&) = delete;
+
+            QPDFObjectHandle& oh;
+            int item_number;
+            bool is_end;
+        };
+        std::shared_ptr<Members> m;
+        value_type ivalue;
     };
-    PointerHolder<Members> m;
+
+    QPDF_DLL
+    iterator begin();
+    QPDF_DLL
+    iterator end();
+
+  private:
+    QPDFObjectHandle oh;
 };
 
+inline int
+QPDFObjectHandle::getObjectID() const
+{
+    return getObjGen().getObj();
+}
+
+inline int
+QPDFObjectHandle::getGeneration() const
+{
+    return getObjGen().getGen();
+}
+
+inline bool
+QPDFObjectHandle::isIndirect() const
+{
+    return (obj != nullptr) && (getObjectID() != 0);
+}
+
+inline bool
+QPDFObjectHandle::isInitialized() const
+{
+    return obj != nullptr;
+}
+
 #endif // QPDFOBJECTHANDLE_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFObjectHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFObjectHelper.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFOutlineDocumentHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFOutlineDocumentHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -23,13 +23,13 @@
 #define QPDFOUTLINEDOCUMENTHELPER_HH
 
 #include <qpdf/QPDFDocumentHelper.hh>
-#include <qpdf/QPDFOutlineObjectHelper.hh>
 #include <qpdf/QPDFNameTreeObjectHelper.hh>
+#include <qpdf/QPDFOutlineObjectHelper.hh>
 
 #include <qpdf/QPDF.hh>
 #include <map>
-#include <list>
 #include <set>
+#include <vector>
 
 #include <qpdf/DLL.h>
 
@@ -45,26 +45,25 @@
     QPDF_DLL
     QPDFOutlineDocumentHelper(QPDF&);
     QPDF_DLL
-    virtual ~QPDFOutlineDocumentHelper();
+    virtual ~QPDFOutlineDocumentHelper() = default;
 
     QPDF_DLL
     bool hasOutlines();
 
     QPDF_DLL
-    std::list<QPDFOutlineObjectHelper> getTopLevelOutlines();
+    std::vector<QPDFOutlineObjectHelper> getTopLevelOutlines();
 
     // If the name is a name object, look it up in the /Dests key of
     // the document catalog. If the name is a string, look it up in
     // the name tree pointed to by the /Dests key of the names
     // dictionary.
     QPDF_DLL
-    QPDFObjectHandle
-    resolveNamedDest(QPDFObjectHandle name);
+    QPDFObjectHandle resolveNamedDest(QPDFObjectHandle name);
 
     // Return a list outlines that are known to target the specified
     // page
     QPDF_DLL
-    std::list<QPDFOutlineObjectHelper> getOutlinesForPage(QPDFObjGen const&);
+    std::vector<QPDFOutlineObjectHelper> getOutlinesForPage(QPDFObjGen const&);
 
     class Accessor
     {
@@ -89,20 +88,20 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
+        Members() = default;
+        Members(Members const&) = delete;
 
-        std::list<QPDFOutlineObjectHelper> outlines;
+        std::vector<QPDFOutlineObjectHelper> outlines;
         std::set<QPDFObjGen> seen;
         QPDFObjectHandle dest_dict;
-        PointerHolder<QPDFNameTreeObjectHelper> names_dest;
-        std::map<QPDFObjGen, std::list<QPDFOutlineObjectHelper> > by_page;
+        std::shared_ptr<QPDFNameTreeObjectHelper> names_dest;
+        std::map<QPDFObjGen, std::vector<QPDFOutlineObjectHelper>> by_page;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFOUTLINEDOCUMENTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFOutlineObjectHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFOutlineObjectHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,9 +22,9 @@
 #ifndef QPDFOUTLINEOBJECTHELPER_HH
 #define QPDFOUTLINEOBJECTHELPER_HH
 
-#include <qpdf/QPDFObjectHelper.hh>
 #include <qpdf/QPDFObjGen.hh>
-#include <list>
+#include <qpdf/QPDFObjectHelper.hh>
+#include <vector>
 
 class QPDFOutlineDocumentHelper;
 
@@ -51,11 +51,11 @@
     // Return parent pointer. Returns a null pointer if this is a
     // top-level outline.
     QPDF_DLL
-    PointerHolder<QPDFOutlineObjectHelper> getParent();
+    std::shared_ptr<QPDFOutlineObjectHelper> getParent();
 
     // Return children as a list.
     QPDF_DLL
-    std::list<QPDFOutlineObjectHelper> getKids();
+    std::vector<QPDFOutlineObjectHelper> getKids();
 
     // Return the destination, regardless of whether it is named or
     // explicit and whether it is directly provided or in a GoTo
@@ -105,18 +105,18 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
         Members(QPDFOutlineDocumentHelper& dh);
-        Members(Members const&);
+        Members(Members const&) = delete;
 
         QPDFOutlineDocumentHelper& dh;
-        PointerHolder<QPDFOutlineObjectHelper> parent;
-        std::list<QPDFOutlineObjectHelper> kids;
+        std::shared_ptr<QPDFOutlineObjectHelper> parent;
+        std::vector<QPDFOutlineObjectHelper> kids;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFOUTLINEOBJECTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFPageDocumentHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFPageDocumentHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,9 +22,9 @@
 #ifndef QPDFPAGEDOCUMENTHELPER_HH
 #define QPDFPAGEDOCUMENTHELPER_HH
 
+#include <qpdf/Constants.h>
 #include <qpdf/QPDFDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
-#include <qpdf/Constants.h>
 
 #include <qpdf/DLL.h>
 
@@ -40,17 +40,15 @@
     QPDF_DLL
     QPDFPageDocumentHelper(QPDF&);
     QPDF_DLL
-    virtual ~QPDFPageDocumentHelper()
-    {
-    }
+    virtual ~QPDFPageDocumentHelper() = default;
 
     // Traverse page tree, and return all /Page objects wrapped in
     // QPDFPageObjectHelper objects. Unlike with
-    // QPDFObjectHandle::getAllPages, the vector of pages returned by
+    // QPDF::getAllPages, the vector of pages returned by
     // this call is not affected by additions or removals of pages. If
     // you manipulate pages, you will have to call this again to get a
-    // new copy. Please comments in QPDFObjectHandle.hh for
-    // getAllPages() for additional details.
+    // new copy. Please see comments in QPDF.hh for getAllPages() for
+    // additional details.
     QPDF_DLL
     std::vector<QPDFPageObjectHelper> getAllPages();
 
@@ -73,20 +71,43 @@
     // indirect. If it is an indirect object from another QPDF, this
     // method will call pushInheritedAttributesToPage on the other
     // file and then copy the page to this QPDF using the same
-    // underlying code as copyForeignObject. Note that you can call
-    // copyForeignObject directly to copy a page from a different
-    // file, but the resulting object will not be a page in the new
-    // file. You could do this, for example, to convert a page into a
-    // form XObject, though for that, you're better off using
-    // QPDFPageObjectHelper::getFormXObjectForPage.
+    // underlying code as copyForeignObject. At this stage, if the
+    // indirect object is already in the pages tree, a shallow copy is
+    // made to avoid adding the same page more than once. In version
+    // 10.3.1 and earlier, adding a page that already existed would
+    // throw an exception and could cause qpdf to crash on subsequent
+    // page insertions in some cases. Note that this means that, in
+    // some cases, the page actually added won't be exactly the same
+    // object as the one passed in. If you want to do subsequent
+    // modification on the page, you should retrieve it again.
+    //
+    // Note that you can call copyForeignObject directly to copy a
+    // page from a different file, but the resulting object will not
+    // be a page in the new file. You could do this, for example, to
+    // convert a page into a form XObject, though for that, you're
+    // better off using QPDFPageObjectHelper::getFormXObjectForPage.
+    //
+    // This method does not have any specific awareness of annotations
+    // or form fields, so if you just add a page without thinking
+    // about it, you might end up with two pages that share form
+    // fields or annotations. While the page may look fine, it will
+    // probably not function properly with regard to interactive
+    // features. To work around this, you should called
+    // QPDFAcroFormDocumentHelper::fixCopiedAnnotations. A future
+    // version of qpdf will likely provide a higher-level interface
+    // for copying pages around that will handle document-level
+    // constructs in a less error-prone fashion.
+
     QPDF_DLL
     void addPage(QPDFPageObjectHelper newpage, bool first);
 
     // Add new page before or after refpage. See comments for addPage
     // for details about what newpage should be.
     QPDF_DLL
-    void addPageAt(QPDFPageObjectHelper newpage, bool before,
-                   QPDFPageObjectHelper refpage);
+    void addPageAt(
+        QPDFPageObjectHelper newpage,
+        bool before,
+        QPDFPageObjectHelper refpage);
 
     // Remove page from the pdf.
     QPDF_DLL
@@ -105,8 +126,7 @@
     // those flags.
     QPDF_DLL
     void flattenAnnotations(
-        int required_flags = 0,
-        int forbidden_flags = an_invisible | an_hidden);
+        int required_flags = 0, int forbidden_flags = an_invisible | an_hidden);
 
   private:
     void flattenAnnotationsForPage(
@@ -122,14 +142,14 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
+        Members() = default;
+        Members(Members const&) = delete;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFPAGEDOCUMENTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFPageLabelDocumentHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFPageLabelDocumentHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -50,9 +50,7 @@
     QPDF_DLL
     QPDFPageLabelDocumentHelper(QPDF&);
     QPDF_DLL
-    virtual ~QPDFPageLabelDocumentHelper()
-    {
-    }
+    virtual ~QPDFPageLabelDocumentHelper() = default;
 
     QPDF_DLL
     bool hasPageLabels();
@@ -77,10 +75,11 @@
     // behavior facilitates using this function to incrementally build
     // up a page labels tree when merging files.
     QPDF_DLL
-    void
-    getLabelsForPageRange(long long start_idx, long long end_idx,
-                          long long new_start_idx,
-                          std::vector<QPDFObjectHandle>& new_labels);
+    void getLabelsForPageRange(
+        long long start_idx,
+        long long end_idx,
+        long long new_start_idx,
+        std::vector<QPDFObjectHandle>& new_labels);
 
   private:
     class Members
@@ -89,16 +88,16 @@
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
+        Members() = default;
+        Members(Members const&) = delete;
 
-        PointerHolder<QPDFNumberTreeObjectHelper> labels;
+        std::shared_ptr<QPDFNumberTreeObjectHelper> labels;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFPAGELABELDOCUMENTHELPER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFPageObjectHelper.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFPageObjectHelper.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,68 +22,244 @@
 #ifndef QPDFPAGEOBJECTHELPER_HH
 #define QPDFPAGEOBJECTHELPER_HH
 
-#include <qpdf/QPDFObjectHelper.hh>
 #include <qpdf/QPDFAnnotationObjectHelper.hh>
+#include <qpdf/QPDFMatrix.hh>
+#include <qpdf/QPDFObjectHelper.hh>
 
 #include <qpdf/DLL.h>
 
 #include <qpdf/QPDFObjectHandle.hh>
+#include <functional>
+
+class QPDFAcroFormDocumentHelper;
 
 class QPDFPageObjectHelper: public QPDFObjectHelper
 {
+    // This is a helper class for page objects, but as of qpdf 10.1,
+    // many of the methods also work for form XObjects. When this is
+    // the case, it is noted in the comment.
+
   public:
     QPDF_DLL
     QPDFPageObjectHelper(QPDFObjectHandle);
     QPDF_DLL
-    virtual ~QPDFPageObjectHelper()
-    {
-    }
+    virtual ~QPDFPageObjectHelper() = default;
+
+    // PAGE ATTRIBUTES
+
+    // The getAttribute method works with pages and form XObjects. It
+    // return the value of the requested attribute from the page/form
+    // XObject's dictionary, taking inheritance from the pages tree
+    // into consideration. For pages, the attributes /MediaBox,
+    // /CropBox, /Resources, and /Rotate are inheritable, meaning that
+    // if they are not present directly on the page node, they may be
+    // inherited from ancestor nodes in the pages tree.
+    //
+    // There are two ways that an attribute can be "shared":
+    //
+    // * For inheritable attributes on pages, it may appear in a
+    //   higher level node of the pages tree
+    //
+    // * For any attribute, the attribute may be an indirect object
+    //   which may be referenced by more than one page/form XObject.
+    //
+    // If copy_if_shared is true, then this method will replace the
+    // attribute with a shallow copy if it is indirect or inherited
+    // and return the copy. You should do this if you are going to
+    // modify the returned object and want the modifications to apply
+    // to the current page/form XObject only.
+    QPDF_DLL
+    QPDFObjectHandle getAttribute(std::string const& name, bool copy_if_shared);
+
+    // PAGE BOXES
+    //
+    // Pages have various types of boundary boxes. These are described
+    // in detail in the PDF specification (section 14.11.2 Page
+    // boundaries). They are, by key in the page dictionary:
+    //
+    // * /MediaBox -- boundaries of physical page
+    // * /CropBox -- clipping region of what is displayed
+    // * /BleedBox -- clipping region for production environments
+    // * /TrimBox -- dimensions of final printed page after trimming
+    // * /ArtBox -- extent of meaningful content including margins
+    //
+    // Of these, only /MediaBox is required. If any are absent, the
+    // fallback value for /CropBox is /MediaBox, and the fallback
+    // values for the other boxes are /CropBox.
+    //
+    // As noted above (PAGE ATTRIBUTES), /MediaBox and /CropBox can be
+    // inherited from parent nodes in the pages tree. The other boxes
+    // can't be inherited.
+    //
+    // When the comments below refer to the "effective value" of an
+    // box, this takes into consideration both inheritance through the
+    // pages tree (in the case of /MediaBox and /CropBox) and fallback
+    // values for missing attributes (for all except /MediaBox).
+    //
+    // For the methods below, copy_if_shared is passed to getAttribute
+    // and therefore refers only to indirect objects and values that
+    // are inherited through the pages tree.
+    //
+    // If copy_if_fallback is true, a copy is made if the object's
+    // value was obtained by falling back to a different box.
+    //
+    // The copy_if_shared and copy_if_fallback parameters carry across
+    // multiple layers. This is explained below.
+    //
+    // You should set copy_if_shared to true if you want to modify a
+    // bounding box for the current page without affecting other pages
+    // but you don't want to change the fallback behavior. For
+    // example, if you want to modify the /TrimBox for the current
+    // page only but have it continue to fall back to the value of
+    // /CropBox or /MediaBox if they are not defined, you could set
+    // copy_if_shared to true.
+    //
+    // You should set copy_if_fallback to true if you want to modify a
+    // specific box as distinct from any other box. For example, if
+    // you want to make /TrimBox differ from /CropBox, then you should
+    // set copy_if_fallback to true.
+    //
+    // The copy_if_fallback flags were added in qpdf 11.
+    //
+    // For example, suppose that neither /CropBox nor /TrimBox is
+    // present on a page but /CropBox is present in the page's parent
+    // node in the page tree.
+    //
+    // * getTrimBox(false, false) would return the /CropBox from the
+    //   parent node.
+    //
+    // * getTrimBox(true, false) would make a shallow copy of the
+    //   /CropBox from the parent node into the current node and
+    //   return it.
+    //
+    // * getTrimBox(false, true) would make a shallow copy of the
+    //   /CropBox from the parent node into /TrimBox of the current
+    //   node and return it.
+    //
+    // * getTrimBox(true, true) would make a shallow copy of the
+    //   /CropBox from the parent node into the current node, then
+    //   make a shallow copy of the resulting copy to /TrimBox of the
+    //   current node, and then return that.
+    //
+    // To illustrate how these parameters carry across multiple
+    // layers, suppose that neither /MediaBox, /CropBox, nor /TrimBox
+    // is present on a page but /MediaBox is present on the parent. In
+    // this case:
+    //
+    // * getTrimBox(false, false) would return the value of /MediaBox
+    //   from the parent node.
+    //
+    // * getTrimBox(true, false) would copy /MediaBox to the current
+    //   node and return it.
+    //
+    // * getTrimBox(false, true) would first copy /MediaBox from the
+    //   parent to /CropBox, then copy /CropBox to /TrimBox, and then
+    //   return the result.
+    //
+    // * getTrimBox(true, true) would first copy /MediaBox from the
+    //   parent to the current page, then copy it to /CropBox, then
+    //   copy /CropBox to /TrimBox, and then return the result.
+    //
+    // If you need different behavior, call getAttribute directly and
+    // take care of your own copying.
 
-    // Return the effective value of this attribute for the page. If
-    // the requested attribute is not present on the page but is
-    // inheritable, look up through the page's ancestors in the page
-    // tree. If copy_if_shared is true, then this method will replace
-    // the attribute with a shallow copy if it is in indirect or
-    // inherited and return the copy. You should do this if you are
-    // going to modify the returned object and want the modifications
-    // to apply to the current page only.
+    // Return the effective MediaBox
+    QPDF_DLL
+    QPDFObjectHandle getMediaBox(bool copy_if_shared = false);
+
+    // Return the effective CropBox. If not defined, fall back to
+    // MediaBox
     QPDF_DLL
     QPDFObjectHandle
-    getAttribute(std::string const& name, bool copy_if_shared);
+    getCropBox(bool copy_if_shared = false, bool copy_if_fallback = false);
 
-    // Return the TrimBox. If not defined, fall back to CropBox
+    // Return the effective BleedBox. If not defined, fall back to
+    // CropBox.
     QPDF_DLL
     QPDFObjectHandle
-    getTrimBox(bool copy_if_shared = false);
+    getBleedBox(bool copy_if_shared = false, bool copy_if_fallback = false);
 
-    // Return the CropBox. If not defined, fall back to MediaBox
+    // Return the effective TrimBox. If not defined, fall back to
+    // CropBox.
     QPDF_DLL
     QPDFObjectHandle
-    getCropBox(bool copy_if_shared = false);
+    getTrimBox(bool copy_if_shared = false, bool copy_if_fallback = false);
 
-    // Return the MediaBox
+    // Return the effective ArtBox. If not defined, fall back to
+    // CropBox.
     QPDF_DLL
     QPDFObjectHandle
-    getMediaBox(bool copy_if_shared = false);
+    getArtBox(bool copy_if_shared = false, bool copy_if_fallback = false);
+
+    // Iterate through XObjects, possibly recursing into form
+    // XObjects. This works with pages or form XObjects. Call action
+    // on each XObject for which selector, if specified, returns true.
+    // With no selector, calls action for every object. In addition to
+    // the object being passed to action, the containing XObject
+    // dictionary and key are passed in. Remember that the XObject
+    // dictionary may be shared, and the object may appear in multiple
+    // XObject dictionaries.
+    QPDF_DLL
+    void forEachXObject(
+        bool recursive,
+        std::function<void(
+            QPDFObjectHandle& obj,
+            QPDFObjectHandle& xobj_dict,
+            std::string const& key)> action,
+        std::function<bool(QPDFObjectHandle)> selector = nullptr);
+    // Only call action for images
+    QPDF_DLL
+    void forEachImage(
+        bool recursive,
+        std::function<void(
+            QPDFObjectHandle& obj,
+            QPDFObjectHandle& xobj_dict,
+            std::string const& key)> action);
+    // Only call action for form XObjects
+    QPDF_DLL
+    void forEachFormXObject(
+        bool recursive,
+        std::function<void(
+            QPDFObjectHandle& obj,
+            QPDFObjectHandle& xobj_dict,
+            std::string const& key)> action);
 
     // Returns an empty map if there are no images or no resources.
     // Prior to qpdf 8.4.0, this function did not support inherited
     // resources, but it does now. Return value is a map from XObject
-    // name to the image object, which is always a stream.
+    // name to the image object, which is always a stream. Works with
+    // form XObjects as well as pages. This method does not recurse
+    // into nested form XObjects. For that, use forEachImage.
+    QPDF_DLL
+    std::map<std::string, QPDFObjectHandle> getImages();
+
+    // Old name -- calls getImages()
     QPDF_DLL
     std::map<std::string, QPDFObjectHandle> getPageImages();
 
-    // Convert each inline image to an external (normal) image if the
-    // size is at least the specified number of bytes.
+    // Returns an empty map if there are no form XObjects or no
+    // resources. Otherwise, returns a map of keys to form XObjects
+    // directly referenced from this page or form XObjects. This does
+    // not recurse into nested form XObjects. For that, use
+    // forEachFormXObject.
     QPDF_DLL
-    void externalizeInlineImages(size_t min_size = 0);
+    std::map<std::string, QPDFObjectHandle> getFormXObjects();
+
+    // Converts each inline image to an external (normal) image if the
+    // size is at least the specified number of bytes. This method
+    // works with pages or form XObjects. By default, it recursively
+    // processes nested form XObjects. Pass true as shallow to avoid
+    // this behavior. Prior to qpdf 10.1, form XObjects were ignored,
+    // but this was considered a bug.
+    QPDF_DLL
+    void externalizeInlineImages(size_t min_size = 0, bool shallow = false);
 
     // Return the annotations in the page's "/Annots" list, if any. If
     // only_subtype is non-empty, only include annotations of the
     // given subtype.
     QPDF_DLL
-    std::vector<QPDFAnnotationObjectHelper> getAnnotations(
-        std::string const& only_subtype = "");
+    std::vector<QPDFAnnotationObjectHelper>
+    getAnnotations(std::string const& only_subtype = "");
 
     // Returns a vector of stream objects representing the content
     // streams for the given page.  This routine allows the caller to
@@ -125,36 +301,48 @@
 
     // Parse a page's contents through ParserCallbacks, described
     // above. This method works whether the contents are a single
-    // stream or an array of streams. Call on a page object.
+    // stream or an array of streams. Call on a page object. Also
+    // works for form XObjects.
+    QPDF_DLL
+    void parseContents(QPDFObjectHandle::ParserCallbacks* callbacks);
+    // Old name
     QPDF_DLL
     void parsePageContents(QPDFObjectHandle::ParserCallbacks* callbacks);
 
-    // Pass a page's contents through the given TokenFilter. If a
-    // pipeline is also provided, it will be the target of the write
-    // methods from the token filter. If a pipeline is not specified,
-    // any output generated by the token filter will be discarded. Use
-    // this interface if you need to pass a page's contents through
-    // filter for work purposes without having that filter
-    // automatically applied to the page's contents, as happens with
-    // addContentTokenFilter. See examples/pdf-count-strings.cc for an
-    // example.
+    // Pass a page's or form XObject's contents through the given
+    // TokenFilter. If a pipeline is also provided, it will be the
+    // target of the write methods from the token filter. If a
+    // pipeline is not specified, any output generated by the token
+    // filter will be discarded. Use this interface if you need to
+    // pass a page's contents through filter for work purposes without
+    // having that filter automatically applied to the page's
+    // contents, as happens with addContentTokenFilter. See
+    // examples/pdf-count-strings.cc for an example.
     QPDF_DLL
-    void filterPageContents(QPDFObjectHandle::TokenFilter* filter,
-                            Pipeline* next = 0);
+    void
+    filterContents(QPDFObjectHandle::TokenFilter* filter, Pipeline* next = 0);
+
+    // Old name -- calls filterContents()
+    QPDF_DLL
+    void filterPageContents(
+        QPDFObjectHandle::TokenFilter* filter, Pipeline* next = 0);
 
     // Pipe a page's contents through the given pipeline. This method
     // works whether the contents are a single stream or an array of
-    // streams. Call on a page object.
+    // streams. Also works on form XObjects.
+    QPDF_DLL
+    void pipeContents(Pipeline* p);
+    // Old name
     QPDF_DLL
     void pipePageContents(Pipeline* p);
 
     // Attach a token filter to a page's contents. If the page's
     // contents is an array of streams, it is automatically coalesced.
     // The token filter is applied to the page's contents as a single
-    // stream.
+    // stream. Also works on form XObjects.
     QPDF_DLL
     void addContentTokenFilter(
-        PointerHolder<QPDFObjectHandle::TokenFilter> token_filter);
+        std::shared_ptr<QPDFObjectHandle::TokenFilter> token_filter);
 
     // A page's resources dictionary maps names to objects elsewhere
     // in the file. This method walks through a page's contents and
@@ -165,11 +353,12 @@
     // QPDFPageDocumentHelper::pushInheritedAttributesToPage(). This
     // method is used by page splitting code to avoid copying unused
     // objects in files that used shared resource dictionaries across
-    // multiple pages.
+    // multiple pages. This method recurses into form XObjects and can
+    // be called with a form XObject as well as a page.
     QPDF_DLL
     void removeUnreferencedResources();
 
-    // Return a new QPDFPageDocumentHelper that is a duplicate of the
+    // Return a new QPDFPageObjectHelper that is a duplicate of the
     // page. The returned object is an indirect object that is ready
     // to be inserted into the same or a different QPDF object using
     // any of the addPage methods in QPDFPageDocumentHelper or QPDF.
@@ -208,43 +397,126 @@
 
     // Return content stream text that will place the given form
     // XObject (fo) using the resource name "name" on this page
-    // centered within the given rectangle and shrunk to fit if
-    // necessary. If invert_transformations is true, the effect of any
-    // rotation (/Rotate) and scaling (/UserUnit) applied to the
-    // current page will be inverted in the form XObject placement.
-    // This will cause the form XObject's absolute orientation to be
-    // preserved. You could overlay one page on another by calling
-    // getFormXObjectForPage on the original page,
-    // QPDFObjectHandle::getUniqueResourceName on the destination
-    // page's Resources dictionary to generate a name for the
-    // resulting object, and calling placeFormXObject on the
+    // centered within the given rectangle. If invert_transformations
+    // is true, the effect of any rotation (/Rotate) and scaling
+    // (/UserUnit) applied to the current page will be inverted in the
+    // form XObject placement. This will cause the form XObject's
+    // absolute orientation to be preserved. You could overlay one
+    // page on another by calling getFormXObjectForPage on the
+    // original page, QPDFObjectHandle::getUniqueResourceName on the
+    // destination page's Resources dictionary to generate a name for
+    // the resulting object, and calling placeFormXObject on the
     // destination page. Then insert the new fo (or, if it comes from
     // a different file, the result of calling copyForeignObject on
     // it) into the resources dictionary using name, and append or
     // prepend the content to the page's content streams. See the
     // overlay/underlay code in qpdf.cc or
-    // examples/pdf-overlay-page.cc for an example.
+    // examples/pdf-overlay-page.cc for an example. From qpdf 10.0.0,
+    // the allow_shrink and allow_expand parameters control whether
+    // the form XObject is allowed to be shrunk or expanded to stay
+    // within or maximally fill the destination rectangle. The default
+    // values are for backward compatibility with the pre-10.0.0
+    // behavior.
+    QPDF_DLL
+    std::string placeFormXObject(
+        QPDFObjectHandle fo,
+        std::string const& name,
+        QPDFObjectHandle::Rectangle rect,
+        bool invert_transformations = true,
+        bool allow_shrink = true,
+        bool allow_expand = false);
+
+    // Alternative version that also fills in the transformation
+    // matrix that was used.
     QPDF_DLL
     std::string placeFormXObject(
-        QPDFObjectHandle fo, std::string name,
+        QPDFObjectHandle fo,
+        std::string const& name,
         QPDFObjectHandle::Rectangle rect,
-        bool invert_transformations = true);
+        QPDFMatrix& cm,
+        bool invert_transformations = true,
+        bool allow_shrink = true,
+        bool allow_expand = false);
+
+    // Return the transformation matrix that translates from the given
+    // form XObject's coordinate system into the given rectangular
+    // region on the page. The parameters have the same meaning as for
+    // placeFormXObject.
+    QPDF_DLL
+    QPDFMatrix getMatrixForFormXObjectPlacement(
+        QPDFObjectHandle fo,
+        QPDFObjectHandle::Rectangle rect,
+        bool invert_transformations = true,
+        bool allow_shrink = true,
+        bool allow_expand = false);
+
+    // If a page is rotated using /Rotate in the page's dictionary,
+    // instead rotate the page by the same amount by altering the
+    // contents and removing the /Rotate key. This method adjusts the
+    // various page bounding boxes (/MediaBox, etc.) so that the page
+    // will have the same semantics. This can be useful to work around
+    // problems with PDF applications that can't properly handle
+    // rotated pages. If a QPDFAcroFormDocumentHelper is provided, it
+    // will be used for resolving any form fields that have to be
+    // rotated. If not, one will be created inside the function, which
+    // is less efficient.
+    QPDF_DLL
+    void flattenRotation(QPDFAcroFormDocumentHelper* afdh = nullptr);
+
+    // Copy annotations from another page into this page. The other
+    // page may be from the same QPDF or from a different QPDF. Each
+    // annotation's rectangle is transformed by the given matrix. If
+    // the annotation is a widget annotation that is associated with a
+    // form field, the form field is copied into this document's
+    // AcroForm dictionary as well. You can use this to copy
+    // annotations from a page that was converted to a form XObject
+    // and added to another page. For example of this, see
+    // examples/pdf-overlay-page.cc. This method calls
+    // QPDFAcroFormDocumentHelper::transformAnnotations, which will
+    // copy annotations and form fields so that you can copy
+    // annotations from a source page to any number of other pages,
+    // even with different matrices, and maintain independence from
+    // the original annotations. See also
+    // QPDFAcroFormDocumentHelper::fixCopiedAnnotations, which can be
+    // used if you copy a page and want to repair the annotations on
+    // the destination page to make them independent from the original
+    // page's annotations.
+    //
+    // If you pass in a QPDFAcroFormDocumentHelper*, the method will
+    // use that instead of creating one in the function. Creating
+    // QPDFAcroFormDocumentHelper objects is expensive, so if you're
+    // doing a lot of copying, it can be more efficient to create
+    // these outside and pass them in.
+    QPDF_DLL
+    void copyAnnotations(
+        QPDFPageObjectHelper from_page,
+        QPDFMatrix const& cm = QPDFMatrix(),
+        QPDFAcroFormDocumentHelper* afdh = nullptr,
+        QPDFAcroFormDocumentHelper* from_afdh = nullptr);
 
   private:
+    QPDFObjectHandle getAttribute(
+        std::string const& name,
+        bool copy_if_shared,
+        std::function<QPDFObjectHandle()> get_fallback,
+        bool copy_if_fallback);
+    static bool removeUnreferencedResourcesHelper(
+        QPDFPageObjectHelper ph, std::set<std::string>& unresolved);
+
     class Members
     {
         friend class QPDFPageObjectHelper;
 
       public:
         QPDF_DLL
-        ~Members();
+        ~Members() = default;
 
       private:
-        Members();
-        Members(Members const&);
+        Members() = default;
+        Members(Members const&) = delete;
     };
 
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFPAGEOBJECTHELPER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFStreamFilter.hh Added

@@ -0,0 +1,78 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFSTREAMFILTER_HH
+#define QPDFSTREAMFILTER_HH
+
+#include <qpdf/DLL.h>
+#include <qpdf/Pipeline.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+
+class QPDF_DLL_CLASS QPDFStreamFilter
+{
+  public:
+    QPDF_DLL
+    QPDFStreamFilter() = default;
+
+    QPDF_DLL
+    virtual ~QPDFStreamFilter() = default;
+
+    // A QPDFStreamFilter class must implement, at a minimum,
+    // setDecodeParms() and getDecodePipeline(). QPDF will always call
+    // setDecodeParms() before calling getDecodePipeline(). It is
+    // expected that you will store any needed information from
+    // decode_parms (or the decode_parms object itself) in your
+    // instance so that it can be used to construct the decode
+    // pipeline.
+
+    // Return a boolean indicating whether your filter can proceed
+    // with the given /DecodeParms. The default implementation accepts
+    // a null object and rejects everything else.
+    QPDF_DLL
+    virtual bool setDecodeParms(QPDFObjectHandle decode_parms);
+
+    // Return a pipeline that will decode data encoded with your
+    // filter. Your implementation must ensure that the pipeline is
+    // deleted when the instance of your class is destroyed.
+    QPDF_DLL
+    virtual Pipeline* getDecodePipeline(Pipeline* next) = 0;
+
+    // If your filter implements "specialized" compression or lossy
+    // compression, override one or both of these methods. The default
+    // implementations return false. See comments in QPDFWriter for
+    // details. QPDF defines specialized compression as non-lossy
+    // compression not intended for general-purpose data. qpdf, by
+    // default, doesn't mess with streams that are compressed with
+    // specialized compression, the idea being that the decision to
+    // use that compression scheme would fall outside of what
+    // QPDFWriter would know anything about, so any attempt to decode
+    // and re-encode would probably be undesirable.
+    QPDF_DLL
+    virtual bool isSpecializedCompression();
+    QPDF_DLL
+    virtual bool isLossyCompression();
+
+  private:
+    QPDFStreamFilter(QPDFStreamFilter const&) = delete;
+    QPDFStreamFilter& operator=(QPDFStreamFilter const&) = delete;
+};
+
+#endif // QPDFSTREAMFILTER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFSystemError.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFSystemError.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -22,21 +22,20 @@
 #ifndef QPDFSYSTEMERROR_HH
 #define QPDFSYSTEMERROR_HH
 
+#include <qpdf/Constants.h>
 #include <qpdf/DLL.h>
 #include <qpdf/Types.h>
 
-#include <qpdf/Constants.h>
-#include <string>
 #include <stdexcept>
+#include <string>
 
-class QPDF_DLL_EXCEPTION QPDFSystemError: public std::runtime_error
+class QPDF_DLL_CLASS QPDFSystemError: public std::runtime_error
 {
   public:
     QPDF_DLL
-    QPDFSystemError(std::string const& description,
-                    int system_errno);
+    QPDFSystemError(std::string const& description, int system_errno);
     QPDF_DLL
-    virtual ~QPDFSystemError() throw ();
+    virtual ~QPDFSystemError() noexcept = default;
 
     // To get a complete error string, call what(), provided by
     // std::exception.  The accessors below return the original values
@@ -48,8 +47,12 @@
     int getErrno() const;
 
   private:
-    static std::string createWhat(std::string const& description,
-				  int system_errno);
+    QPDF_DLL_PRIVATE
+    static std::string
+    createWhat(std::string const& description, int system_errno);
+
+    // This class does not use the Members pattern to avoid needless
+    // memory allocations during exception handling.
 
     std::string description;
     int system_errno;

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFTokenizer.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFTokenizer.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -26,8 +26,10 @@
 
 #include <qpdf/InputSource.hh>
 #include <qpdf/PointerHolder.hh>
-#include <string>
+
+#include <memory>
 #include <stdio.h>
+#include <string>
 
 class QPDFTokenizer
 {
@@ -36,22 +38,21 @@
     // the tokenizer. tt_eof was introduced in QPDF version 4.1.
     // tt_space, tt_comment, and tt_inline_image were added in QPDF
     // version 8.
-    enum token_type_e
-    {
-	tt_bad,
-	tt_array_close,
-	tt_array_open,
-	tt_brace_close,
-	tt_brace_open,
-	tt_dict_close,
-	tt_dict_open,
-	tt_integer,
-	tt_name,
-	tt_real,
-	tt_string,
-	tt_null,
-	tt_bool,
-	tt_word,
+    enum token_type_e {
+        tt_bad,
+        tt_array_close,
+        tt_array_open,
+        tt_brace_close,
+        tt_brace_open,
+        tt_dict_close,
+        tt_dict_open,
+        tt_integer,
+        tt_name,
+        tt_real,
+        tt_string,
+        tt_null,
+        tt_bool,
+        tt_word,
         tt_eof,
         tt_space,
         tt_comment,
@@ -61,59 +62,62 @@
     class Token
     {
       public:
-	Token() : type(tt_bad) {}
+        Token() :
+            type(tt_bad)
+        {
+        }
         QPDF_DLL
-	Token(token_type_e type, std::string const& value);
-	Token(token_type_e type, std::string const& value,
-	      std::string raw_value, std::string error_message) :
-	    type(type),
-	    value(value),
-	    raw_value(raw_value),
-	    error_message(error_message)
-	{
-	}
-	token_type_e getType() const
-	{
-	    return this->type;
-	}
-	std::string const& getValue() const
-	{
-	    return this->value;
-	}
-	std::string const& getRawValue() const
-	{
-	    return this->raw_value;
-	}
-	std::string const& getErrorMessage() const
-	{
-	    return this->error_message;
-	}
-	bool operator==(Token const& rhs) const
-	{
-	    // Ignore fields other than type and value
-	    return ((this->type != tt_bad) &&
-		    (this->type == rhs.type) &&
-		    (this->value == rhs.value));
-	}
+        Token(token_type_e type, std::string const& value);
+        Token(
+            token_type_e type,
+            std::string const& value,
+            std::string raw_value,
+            std::string error_message) :
+            type(type),
+            value(value),
+            raw_value(raw_value),
+            error_message(error_message)
+        {
+        }
+        token_type_e
+        getType() const
+        {
+            return this->type;
+        }
+        std::string const&
+        getValue() const
+        {
+            return this->value;
+        }
+        std::string const&
+        getRawValue() const
+        {
+            return this->raw_value;
+        }
+        std::string const&
+        getErrorMessage() const
+        {
+            return this->error_message;
+        }
+        bool
+        operator==(Token const& rhs) const
+        {
+            // Ignore fields other than type and value
+            return (
+                (this->type != tt_bad) && (this->type == rhs.type) &&
+                (this->value == rhs.value));
+        }
 
       private:
-	token_type_e type;
-	std::string value;
-	std::string raw_value;
-	std::string error_message;
+        token_type_e type;
+        std::string value;
+        std::string raw_value;
+        std::string error_message;
     };
 
     QPDF_DLL
     QPDFTokenizer();
 
-    // PDF files with version < 1.2 allowed the pound character
-    // anywhere in a name.  Starting with version 1.2, the pound
-    // character was allowed only when followed by two hexadecimal
-    // digits.  This method should be called when parsing a PDF file
-    // whose version is older than 1.2.
-    QPDF_DLL
-    void allowPoundAnywhereInName();
-
     // If called, treat EOF as a separate token type instead of an
     // error.  This was introduced in QPDF 4.1 to facilitate
     // tokenizing content streams.
@@ -168,86 +172,103 @@
     // offset" as returned by input->getLastOffset() points to the
     // beginning of the token.
     QPDF_DLL
-    Token readToken(PointerHolder<InputSource> input,
-                    std::string const& context,
-                    bool allow_bad = false,
-                    size_t max_len = 0);
+    Token readToken(
+        std::shared_ptr<InputSource> input,
+        std::string const& context,
+        bool allow_bad = false,
+        size_t max_len = 0);
 
     // Calling this method puts the tokenizer in a state for reading
     // inline images. You should call this method after reading the
     // character following the ID operator. In that state, it will
-    // return all data up to BUT NOT INCLUDING the next EI token. This
-    // is a difference in behavior from the legacy version. After you
-    // call this method, the next call to readToken (or the token
-    // created next time getToken returns true) will either be
+    // return all data up to BUT NOT INCLUDING the next EI token.
+    // After you call this method, the next call to readToken (or the
+    // token created next time getToken returns true) will either be
     // tt_inline_image or tt_bad. This is the only way readToken
-    // returns a tt_inline_image token. The older version of this
-    // method that takes does not take a PointerHolder<InputSource>
-    // will always end the inline image the first time it sees
-    // something that looks like an EI operator and will include the
-    // EI operator in the token. It is being maintained for backward
-    // compatibility only and will likely be removed in the future.
-    QPDF_DLL
-    void expectInlineImage(PointerHolder<InputSource> input);
-
-    // Legacy version. New code should not call this. The token
-    // returned will include the EI keyword. The recipient of the
-    // token will have to remove it.
+    // returns a tt_inline_image token.
     QPDF_DLL
-    void expectInlineImage();
+    void expectInlineImage(std::shared_ptr<InputSource> input);
 
   private:
-    // Do not implement copy or assignment
-    QPDFTokenizer(QPDFTokenizer const&);
-    QPDFTokenizer& operator=(QPDFTokenizer const&);
+    QPDFTokenizer(QPDFTokenizer const&) = delete;
+    QPDFTokenizer& operator=(QPDFTokenizer const&) = delete;
 
-    void resolveLiteral();
     bool isSpace(char);
     bool isDelimiter(char);
-    void findEI(PointerHolder<InputSource> input);
+    void findEI(std::shared_ptr<InputSource> input);
 
     enum state_e {
-        st_top, st_in_space, st_in_comment, st_in_string, st_lt, st_gt,
-        st_literal, st_in_hexstring, st_inline_image, st_token_ready
+        st_top,
+        st_in_hexstring,
+        st_in_string,
+        st_in_hexstring_2nd,
+        st_name,
+        st_literal,
+        st_in_space,
+        st_in_comment,
+        st_string_escape,
+        st_char_code,
+        st_string_after_cr,
+        st_lt,
+        st_gt,
+        st_inline_image,
+        st_sign,
+        st_number,
+        st_real,
+        st_decimal,
+        st_name_hex1,
+        st_name_hex2,
+        st_before_token,
+        st_token_ready
     };
 
-    class Members
-    {
-        friend class QPDFTokenizer;
+    void handleCharacter(char);
+    void inBeforeToken(char);
+    void inTop(char);
+    void inSpace(char);
+    void inComment(char);
+    void inString(char);
+    void inName(char);
+    void inLt(char);
+    void inGt(char);
+    void inStringAfterCR(char);
+    void inStringEscape(char);
+    void inLiteral(char);
+    void inCharCode(char);
+    void inHexstring(char);
+    void inHexstring2nd(char);
+    void inInlineImage(char);
+    void inTokenReady(char);
+    void inNameHex1(char);
+    void inNameHex2(char);
+    void inSign(char);
+    void inDecimal(char);
+    void inNumber(char);
+    void inReal(char);
+    void reset();
 
-      public:
-        QPDF_DLL
-        ~Members();
+    // Lexer state
+    state_e state;
 
-      private:
-        Members();
-        Members(Members const&);
-        void reset();
+    bool allow_eof;
+    bool include_ignorable;
 
-        // Lexer state
-        state_e state;
+    // Current token accumulation
+    token_type_e type;
+    std::string val;
+    std::string raw_val;
+    std::string error_message;
+    bool before_token;
+    bool in_token;
+    char char_to_unread;
+    size_t inline_image_bytes;
+    bool bad;
 
-        bool pound_special_in_name;
-        bool allow_eof;
-        bool include_ignorable;
-
-        // Current token accumulation
-        token_type_e type;
-        std::string val;
-        std::string raw_val;
-        std::string error_message;
-        bool unread_char;
-        char char_to_unread;
-        size_t inline_image_bytes;
-
-        // State for strings
-        int string_depth;
-        bool string_ignoring_newline;
-        char bs_num_register4;
-        bool last_char_was_bs;
-        bool last_char_was_cr;
-    };
-    PointerHolder<Members> m;
+    // State for strings
+    int string_depth;
+    int char_code;
+    char hex_char;
+    int digit_count;
 };
 
 #endif // QPDFTOKENIZER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFUsage.hh Added

@@ -0,0 +1,39 @@
+// Copyright (c) 2005-2022 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
+#ifndef QPDFUSAGE_HH
+#define QPDFUSAGE_HH
+
+#include <qpdf/DLL.h>
+
+#include <stdexcept>
+#include <string>
+
+class QPDF_DLL_CLASS QPDFUsage: public std::runtime_error
+{
+  public:
+    QPDF_DLL
+    QPDFUsage(std::string const& msg);
+    QPDF_DLL
+    virtual ~QPDFUsage() noexcept = default;
+};
+
+#endif // QPDFUSAGE_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFWriter.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFWriter.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -29,23 +29,25 @@
 #include <qpdf/DLL.h>
 #include <qpdf/Types.h>
 
+#include <functional>
+#include <list>
+#include <map>
+#include <memory>
+#include <set>
 #include <stdio.h>
 #include <string>
-#include <list>
 #include <vector>
-#include <set>
-#include <map>
 
 #include <qpdf/Constants.h>
 
-#include <qpdf/QPDFObjectHandle.hh>
-#include <qpdf/QPDFObjGen.hh>
-#include <qpdf/QPDFXRefEntry.hh>
-
+#include <qpdf/Buffer.hh>
+#include <qpdf/PDFVersion.hh>
+#include <qpdf/Pipeline.hh>
 #include <qpdf/Pl_Buffer.hh>
 #include <qpdf/PointerHolder.hh>
-#include <qpdf/Pipeline.hh>
-#include <qpdf/Buffer.hh>
+#include <qpdf/QPDFObjGen.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDFXRefEntry.hh>
 
 class QPDF;
 class Pl_Count;
@@ -74,14 +76,13 @@
     QPDFWriter(QPDF& pdf, char const* description, FILE* file, bool close_file);
 
     QPDF_DLL
-    ~QPDFWriter();
+    ~QPDFWriter() = default;
 
-    class ProgressReporter
+    class QPDF_DLL_CLASS ProgressReporter
     {
       public:
-        virtual ~ProgressReporter()
-        {
-        }
+        QPDF_DLL
+        virtual ~ProgressReporter();
 
         // This method is called with a value from 0 to 100 to
         // indicate approximate progress through the write process.
@@ -89,6 +90,23 @@
         virtual void reportProgress(int) = 0;
     };
 
+    // This is a progress reporter that takes a function. It is used
+    // by the C APIs, but it is available if you want to just register
+    // a C function as a handler.
+    class QPDF_DLL_CLASS FunctionProgressReporter: public ProgressReporter
+    {
+      public:
+        QPDF_DLL
+        FunctionProgressReporter(std::function<void(int)>);
+        QPDF_DLL
+        virtual ~FunctionProgressReporter();
+        QPDF_DLL
+        virtual void reportProgress(int) override;
+
+      private:
+        std::function<void(int)> handler;
+    };
+
     // Setting Output.  Output may be set only one time.  If you don't
     // use the filename version of the QPDFWriter constructor, you
     // must call exactly one of these methods.
@@ -117,13 +135,18 @@
     QPDF_DLL
     void setOutputMemory();
 
-    // Return the buffer object containing the PDF file.  If
+    // Return the buffer object containing the PDF file. If
     // setOutputMemory() has been called, this method may be called
-    // exactly one time after write() has returned.  The caller is
-    // responsible for deleting the buffer when done.
+    // exactly one time after write() has returned. The caller is
+    // responsible for deleting the buffer when done. See also
+    // getBufferSharedPointer().
     QPDF_DLL
     Buffer* getBuffer();
 
+    // Return getBuffer() in a shared pointer.
+    QPDF_DLL
+    std::shared_ptr<Buffer> getBufferSharedPointer();
+
     // Supply your own pipeline object.  Output will be written to
     // this pipeline, and QPDFWriter will call finish() on the
     // pipeline.  It is the caller's responsibility to manage the
@@ -189,14 +212,15 @@
     // filters on the input. When combined with
     // setCompressStreams(true), which the default, the effect of this
     // is that streams filtered with these older and less efficient
-    // filters will be recompressed with the Flate filter. As a
-    // special case, if a stream is already compressed with
+    // filters will be recompressed with the Flate filter. By default,
+    // as a special case, if a stream is already compressed with
     // FlateDecode and setCompressStreams is enabled, the original
-    // compressed data will be preserved.
+    // compressed data will be preserved. This behavior can be
+    // overridden by calling setRecompressFlate(true).
     //
     // qpdf_dl_specialized: In addition to uncompressing the
     // generalized compression formats, supported non-lossy
-    // compression will also be be decoded. At present, this includes
+    // compression will also be decoded. At present, this includes
     // the RunLengthDecode filter.
     //
     // qpdf_dl_all: In addition to generalized and non-lossy
@@ -209,6 +233,15 @@
     QPDF_DLL
     void setDecodeLevel(qpdf_stream_decode_level_e);
 
+    // By default, when both the input and output contents of a stream
+    // are compressed with Flate, qpdf does not uncompress and
+    // recompress the stream. Passing true here causes it to do so.
+    // This can be useful if recompressing all streams with a higher
+    // compression level, which can be set by calling the static
+    // method Pl_Flate::setCompressionLevel.
+    QPDF_DLL
+    void setRecompressFlate(bool);
+
     // Set value of content stream normalization.  The default is
     // "false".  If true, we attempt to normalize newlines inside of
     // content streams.  Some constructs such as inline images may
@@ -248,9 +281,9 @@
     // R3 encryption parameters are used, and to 1.5 when object
     // streams are used.
     QPDF_DLL
-    void setMinimumPDFVersion(std::string const&);
+    void setMinimumPDFVersion(std::string const&, int extension_level = 0);
     QPDF_DLL
-    void setMinimumPDFVersion(std::string const&, int extension_level);
+    void setMinimumPDFVersion(PDFVersion const&);
 
     // Force the PDF version of the output file to be a given version.
     // Use of this function may create PDF files that will not work
@@ -268,9 +301,7 @@
     // Additionally, forcing to a version below 1.5 will disable
     // object streams.
     QPDF_DLL
-    void forcePDFVersion(std::string const&);
-    QPDF_DLL
-    void forcePDFVersion(std::string const&, int extension_level);
+    void forcePDFVersion(std::string const&, int extension_level = 0);
 
     // Provide additional text to insert in the PDF file somewhere
     // near the beginning of the file.  This can be used to add
@@ -353,67 +384,81 @@
     // this from your own application, QUtil contains many transcoding
     // functions that could be useful to you, most notably
     // utf8_to_pdf_doc.
-    QPDF_DLL
-    void setR3EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-        bool allow_assemble, bool allow_annotate_and_form,
-        bool allow_form_filling, bool allow_modify_other,
-	qpdf_r3_print_e print);
-    QPDF_DLL
-    void setR4EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-        bool allow_assemble, bool allow_annotate_and_form,
-        bool allow_form_filling, bool allow_modify_other,
-	qpdf_r3_print_e print, bool encrypt_metadata, bool use_aes);
+
+    // R2 uses RC4, which is a weak cryptographic algorithm. Don't use
+    // it unless you have to. See "Weak Cryptography" in the manual.
+    // This encryption format is deprecated in the PDF 2.0
+    // specification.
+    QPDF_DLL
+    void setR2EncryptionParametersInsecure(
+        char const* user_password,
+        char const* owner_password,
+        bool allow_print,
+        bool allow_modify,
+        bool allow_extract,
+        bool allow_annotate);
+    // R3 uses RC4, which is a weak cryptographic algorithm. Don't use
+    // it unless you have to. See "Weak Cryptography" in the manual.
+    // This encryption format is deprecated in the PDF 2.0
+    // specification.
+    QPDF_DLL
+    void setR3EncryptionParametersInsecure(
+        char const* user_password,
+        char const* owner_password,
+        bool allow_accessibility,
+        bool allow_extract,
+        bool allow_assemble,
+        bool allow_annotate_and_form,
+        bool allow_form_filling,
+        bool allow_modify_other,
+        qpdf_r3_print_e print);
+    // When use_aes=false, this call enables R4 with RC4, which is a
+    // weak cryptographic algorithm. Even with use_aes=true, the
+    // overall encryption scheme is weak. Don't use it unless you have
+    // to. See "Weak Cryptography" in the manual. This encryption
+    // format is deprecated in the PDF 2.0 specification.
+    QPDF_DLL
+    void setR4EncryptionParametersInsecure(
+        char const* user_password,
+        char const* owner_password,
+        bool allow_accessibility,
+        bool allow_extract,
+        bool allow_assemble,
+        bool allow_annotate_and_form,
+        bool allow_form_filling,
+        bool allow_modify_other,
+        qpdf_r3_print_e print,
+        bool encrypt_metadata,
+        bool use_aes);
     // R5 is deprecated.  Do not use it for production use.  Writing
     // R5 is supported by qpdf primarily to generate test files for
     // applications that may need to test R5 support.
     QPDF_DLL
     void setR5EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-        bool allow_assemble, bool allow_annotate_and_form,
-        bool allow_form_filling, bool allow_modify_other,
-	qpdf_r3_print_e print, bool encrypt_metadata);
+        char const* user_password,
+        char const* owner_password,
+        bool allow_accessibility,
+        bool allow_extract,
+        bool allow_assemble,
+        bool allow_annotate_and_form,
+        bool allow_form_filling,
+        bool allow_modify_other,
+        qpdf_r3_print_e print,
+        bool encrypt_metadata);
+    // This is the only password-based encryption format supported by
+    // the PDF specification.
     QPDF_DLL
     void setR6EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-        bool allow_assemble, bool allow_annotate_and_form,
-        bool allow_form_filling, bool allow_modify_other,
-	qpdf_r3_print_e print, bool encrypt_metadata_aes);
-
-    // Pre qpdf 8.4.0 API
-    QPDF_DLL
-    void setR2EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_print, bool allow_modify,
-	bool allow_extract, bool allow_annotate);
-    QPDF_DLL
-    void setR3EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-	qpdf_r3_print_e print, qpdf_r3_modify_e modify);
-    QPDF_DLL
-    void setR4EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-	qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-	bool encrypt_metadata, bool use_aes);
-    QPDF_DLL
-    void setR5EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-	qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-	bool encrypt_metadata);
-    QPDF_DLL
-    void setR6EncryptionParameters(
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-	qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-	bool encrypt_metadata_aes);
+        char const* user_password,
+        char const* owner_password,
+        bool allow_accessibility,
+        bool allow_extract,
+        bool allow_assemble,
+        bool allow_annotate_and_form,
+        bool allow_form_filling,
+        bool allow_modify_other,
+        qpdf_r3_print_e print,
+        bool encrypt_metadata_aes);
 
     // Create linearized output.  Disables qdf mode, content
     // normalization, and stream prefiltering.
@@ -442,7 +487,7 @@
     // If you want to be notified of progress, derive a class from
     // ProgressReporter and override the reportProgress method.
     QPDF_DLL
-    void registerProgressReporter(PointerHolder<ProgressReporter>);
+    void registerProgressReporter(std::shared_ptr<ProgressReporter>);
 
     // Return the PDF version that will be written into the header.
     // Calling this method does all the preparation for writing, so it
@@ -459,18 +504,58 @@
     QPDF_DLL
     void write();
 
+    // Return renumbered ObjGen that was written into the final file.
+    // This method can be used after calling write().
+    QPDF_DLL
+    QPDFObjGen getRenumberedObjGen(QPDFObjGen);
+
+    // Return XRef entry that was written into the final file.
+    // This method can be used after calling write().
+    QPDF_DLL
+    std::map<QPDFObjGen, QPDFXRefEntry> getWrittenXRefTable();
+
   private:
     // flags used by unparseObject
-    static int const f_stream = 	1 << 0;
-    static int const f_filtered =	1 << 1;
-    static int const f_in_ostream =     1 << 2;
+    static int const f_stream = 1 << 0;
+    static int const f_filtered = 1 << 1;
+    static int const f_in_ostream = 1 << 2;
+    static int const f_hex_string = 1 << 3;
+    static int const f_no_encryption = 1 << 4;
 
     enum trailer_e { t_normal, t_lin_first, t_lin_second };
 
-    int bytesNeeded(unsigned long long n);
+    // An reference to a PipelinePopper instance is passed into
+    // activatePipelineStack. When the PipelinePopper goes out of
+    // scope, the pipeline stack is popped. PipelinePopper's
+    // destructor calls finish on the current pipeline and pops the
+    // pipeline stack until the top of stack is a previous active top
+    // of stack, and restores the pipeline to that point. It deletes
+    // any pipelines that it pops. If the bp argument is non-null and
+    // any of the stack items are of type Pl_Buffer, the buffer is
+    // retrieved.
+    class PipelinePopper
+    {
+        friend class QPDFWriter;
+
+      public:
+        PipelinePopper(QPDFWriter* qw, std::shared_ptr<Buffer>* bp = 0) :
+            qw(qw),
+            bp(bp)
+        {
+        }
+        ~PipelinePopper();
+
+      private:
+        QPDFWriter* qw;
+        std::shared_ptr<Buffer>* bp;
+        std::string stack_id;
+    };
+    friend class PipelinePopper;
+
+    unsigned int bytesNeeded(long long n);
     void writeBinary(unsigned long long val, unsigned int bytes);
     void writeString(std::string const& str);
-    void writeBuffer(PointerHolder<Buffer>&);
+    void writeBuffer(std::shared_ptr<Buffer>&);
     void writeStringQDF(std::string const& str);
     void writeStringNoQDF(std::string const& str);
     void writePad(int nspaces);
@@ -480,15 +565,24 @@
         std::vector<qpdf_offset_t>& offsets, int first_obj);
     void writeObjectStream(QPDFObjectHandle object);
     void writeObject(QPDFObjectHandle object, int object_stream_index = -1);
-    void writeTrailer(trailer_e which, int size,
-		      bool xref_stream, qpdf_offset_t prev,
-                      int linearization_pass);
-    void unparseObject(QPDFObjectHandle object, int level,
-		       unsigned int flags);
-    void unparseObject(QPDFObjectHandle object, int level,
-		       unsigned int flags,
-		       // for stream dictionaries
-		       size_t stream_length, bool compress);
+    void writeTrailer(
+        trailer_e which,
+        int size,
+        bool xref_stream,
+        qpdf_offset_t prev,
+        int linearization_pass);
+    bool willFilterStream(
+        QPDFObjectHandle stream,
+        bool& compress_stream,
+        bool& is_metadata,
+        std::shared_ptr<Buffer>* stream_data);
+    void unparseObject(
+        QPDFObjectHandle object,
+        int level,
+        int flags,
+        // for stream dictionaries
+        size_t stream_length = 0,
+        bool compress = false);
     void unparseChild(QPDFObjectHandle child, int level, int flags);
     void initializeSpecialStreams();
     void preserveObjectStreams();
@@ -496,24 +590,40 @@
     std::string getOriginalID1();
     void generateID();
     void interpretR3EncryptionParameters(
-	std::set<int>& bits_to_clear,
-	char const* user_password, char const* owner_password,
-	bool allow_accessibility, bool allow_extract,
-        bool allow_assemble, bool allow_annotate_and_form,
-        bool allow_form_filling, bool allow_modify_other,
-	qpdf_r3_print_e print, qpdf_r3_modify_e modify);
-    void disableIncompatibleEncryption(int major, int minor,
-                                       int extension_level);
+        std::set<int>& bits_to_clear,
+        char const* user_password,
+        char const* owner_password,
+        bool allow_accessibility,
+        bool allow_extract,
+        bool allow_assemble,
+        bool allow_annotate_and_form,
+        bool allow_form_filling,
+        bool allow_modify_other,
+        qpdf_r3_print_e print,
+        qpdf_r3_modify_e modify);
+    void
+    disableIncompatibleEncryption(int major, int minor, int extension_level);
     void parseVersion(std::string const& version, int& major, int& minor) const;
     int compareVersions(int major1, int minor1, int major2, int minor2) const;
     void setEncryptionParameters(
-	char const* user_password, char const* owner_password,
-	int V, int R, int key_len, std::set<int>& bits_to_clear);
+        char const* user_password,
+        char const* owner_password,
+        int V,
+        int R,
+        int key_len,
+        std::set<int>& bits_to_clear);
     void setEncryptionParametersInternal(
-	int V, int R, int key_len, long P,
-	std::string const& O, std::string const& U,
-	std::string const& OE, std::string const& UE, std::string const& Perms,
-	std::string const& id1, std::string const& user_password,
+        int V,
+        int R,
+        int key_len,
+        int P,
+        std::string const& O,
+        std::string const& U,
+        std::string const& OE,
+        std::string const& UE,
+        std::string const& Perms,
+        std::string const& id1,
+        std::string const& user_password,
         std::string const& encryption_key);
     void setDataKey(int objid);
     int openObject(int objid = 0);
@@ -530,10 +640,13 @@
     void doWriteSetup();
     void writeHeader();
     void writeHintStream(int hint_id);
+    qpdf_offset_t
+    writeXRefTable(trailer_e which, int first, int last, int size);
     qpdf_offset_t writeXRefTable(
-        trailer_e which, int first, int last, int size);
-    qpdf_offset_t writeXRefTable(
-        trailer_e which, int first, int last, int size,
+        trailer_e which,
+        int first,
+        int last,
+        int size,
         // for linearization
         qpdf_offset_t prev,
         bool suppress_offsets,
@@ -542,11 +655,21 @@
         qpdf_offset_t hint_length,
         int linearization_pass);
     qpdf_offset_t writeXRefStream(
-        int objid, int max_id, qpdf_offset_t max_offset,
-        trailer_e which, int first, int last, int size);
+        int objid,
+        int max_id,
+        qpdf_offset_t max_offset,
+        trailer_e which,
+        int first,
+        int last,
+        int size);
     qpdf_offset_t writeXRefStream(
-        int objid, int max_id, qpdf_offset_t max_offset,
-        trailer_e which, int first, int last, int size,
+        int objid,
+        int max_id,
+        qpdf_offset_t max_offset,
+        trailer_e which,
+        int first,
+        int last,
+        int size,
         // for linearization
         qpdf_offset_t prev,
         int hint_id,
@@ -554,31 +677,24 @@
         qpdf_offset_t hint_length,
         bool skip_compression,
         int linearization_pass);
-    int calculateXrefStreamPadding(int xref_bytes);
+    int calculateXrefStreamPadding(qpdf_offset_t xref_bytes);
 
     // When filtering subsections, push additional pipelines to the
-    // stack.  When ready to switch, activate the pipeline stack.
-    // Pipelines passed to pushPipeline are deleted when
-    // clearPipelineStack is called.
+    // stack. When ready to switch, activate the pipeline stack. When
+    // the passed in PipelinePopper goes out of scope, the stack is
+    // popped.
     Pipeline* pushPipeline(Pipeline*);
-    void activatePipelineStack();
-    void initializePipelineStack(Pipeline *);
-
-    // Calls finish on the current pipeline and pops the pipeline
-    // stack until the top of stack is a previous active top of stack,
-    // and restores the pipeline to that point.  Deletes any pipelines
-    // that it pops.  If the bp argument is non-null and any of the
-    // stack items are of type Pl_Buffer, the buffer is retrieved.
-    void popPipelineStack(PointerHolder<Buffer>* bp = 0);
+    void activatePipelineStack(PipelinePopper&);
+    void initializePipelineStack(Pipeline*);
 
     void adjustAESStreamLength(size_t& length);
-    void pushEncryptionFilter();
-    void pushDiscardFilter();
-    void pushMD5Pipeline();
+    void pushEncryptionFilter(PipelinePopper&);
+    void pushDiscardFilter(PipelinePopper&);
+    void pushMD5Pipeline(PipelinePopper&);
     void computeDeterministicIDData();
 
-    void discardGeneration(std::map<QPDFObjGen, int> const& in,
-                           std::map<int, int>& out);
+    void discardGeneration(
+        std::map<QPDFObjGen, int> const& in, std::map<int, int>& out);
 
     class Members
     {
@@ -590,7 +706,7 @@
 
       private:
         Members(QPDF& pdf);
-        Members(Members const&);
+        Members(Members const&) = delete;
 
         QPDF& pdf;
         char const* filename;
@@ -604,6 +720,7 @@
         bool compress_streams_set;
         qpdf_stream_decode_level_e stream_decode_level;
         bool stream_decode_level_set;
+        bool recompress_flate;
         bool qdf_mode;
         bool preserve_unreferenced_objects;
         bool newline_before_endstream;
@@ -622,8 +739,8 @@
         int encryption_V;
         int encryption_R;
 
-        std::string id1;		// for /ID key of
-        std::string id2;		// trailer dictionary
+        std::string id1; // for /ID key of
+        std::string id2; // trailer dictionary
         std::string final_pdf_version;
         int final_extension_level;
         std::string min_pdf_version;
@@ -633,7 +750,7 @@
         std::string extra_header_text;
         int encryption_dict_objid;
         std::string cur_data_key;
-        std::list<PointerHolder<Pipeline> > to_delete;
+        std::list<std::shared_ptr<Pipeline>> to_delete;
         Pl_Count* pipeline;
         std::list<QPDFObjectHandle> object_queue;
         std::map<QPDFObjGen, int> obj_renumber;
@@ -648,8 +765,9 @@
         std::map<QPDFObjGen, int> page_object_to_seq;
         std::map<QPDFObjGen, int> contents_to_page_seq;
         std::map<QPDFObjGen, int> object_to_object_stream;
-        std::map<int, std::set<QPDFObjGen> > object_stream_to_objects;
+        std::map<int, std::set<QPDFObjGen>> object_stream_to_objects;
         std::list<Pipeline*> pipeline_stack;
+        unsigned long long next_stack_id;
         bool deterministic_id;
         Pl_MD5* md5_pipeline;
         std::string deterministic_id_data;
@@ -661,7 +779,7 @@
         std::map<int, int> object_to_object_stream_no_gen;
 
         // For progress reporting
-        PointerHolder<ProgressReporter> progress_reporter;
+        std::shared_ptr<ProgressReporter> progress_reporter;
         int events_expected;
         int events_seen;
         int next_progress_report;
@@ -670,7 +788,7 @@
     // Keep all member variables inside the Members object, which we
     // dynamically allocate. This makes it possible to add new private
     // members without breaking binary compatibility.
-    PointerHolder<Members> m;
+    std::shared_ptr<Members> m;
 };
 
 #endif // QPDFWRITER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QPDFXRefEntry.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QPDFXRefEntry.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QTC.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QTC.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/QUtil.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/QUtil.hh Changed

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2019 Jay Berkenbilt
+// Copyright (c) 2005-2022 Jay Berkenbilt
 //
 // This file is part of qpdf.
 //
@@ -23,15 +23,20 @@
 #define QUTIL_HH
 
 #include <qpdf/DLL.h>
+#include <qpdf/PointerHolder.hh>
 #include <qpdf/Types.h>
-#include <string>
+#include <cstring>
+#include <functional>
 #include <list>
-#include <vector>
+#include <memory>
 #include <stdexcept>
 #include <stdio.h>
+#include <string>
 #include <time.h>
+#include <vector>
 
 class RandomDataProvider;
+class Pipeline;
 
 namespace QUtil
 {
@@ -40,9 +45,15 @@
     QPDF_DLL
     std::string int_to_string(long long, int length = 0);
     QPDF_DLL
+    std::string uint_to_string(unsigned long long, int length = 0);
+    QPDF_DLL
     std::string int_to_string_base(long long, int base, int length = 0);
     QPDF_DLL
-    std::string double_to_string(double, int decimal_places = 0);
+    std::string
+    uint_to_string_base(unsigned long long, int base, int length = 0);
+    QPDF_DLL
+    std::string double_to_string(
+        double, int decimal_places = 0, bool trim_trailing_zeroes = true);
 
     // These string to number methods throw std::runtime_error on
     // underflow/overflow.
@@ -50,6 +61,17 @@
     long long string_to_ll(char const* str);
     QPDF_DLL
     int string_to_int(char const* str);
+    QPDF_DLL
+    unsigned long long string_to_ull(char const* str);
+    QPDF_DLL
+    unsigned int string_to_uint(char const* str);
+
+    // Returns true if this exactly represents a long long. The
+    // determination is made by converting the string to a long long,
+    // then converting the result back to a string, and then comparing
+    // that result with the original string.
+    QPDF_DLL
+    bool is_long_long(char const* str);
 
     // Pipeline's write method wants unsigned char*, but we often have
     // some other type of string.  These methods do combinations of
@@ -81,8 +103,9 @@
     QPDF_DLL
     int os_wrapper(std::string const& description, int status);
 
-    // If the open fails, throws std::runtime_error.  Otherwise, the
-    // FILE* is returned.
+    // If the open fails, throws std::runtime_error. Otherwise, the
+    // FILE* is returned. The filename should be UTF-8 encoded, even
+    // on Windows. It will be converted as needed on Windows.
     QPDF_DLL
     FILE* safe_fopen(char const* filename, char const* mode);
 
@@ -92,6 +115,37 @@
     QPDF_DLL
     FILE* fopen_wrapper(std::string const&, FILE*);
 
+    // This is a little class to help with automatic closing files.
+    // You can do something like
+    //
+    // QUtil::FileCloser fc(QUtil::safe_fopen(filename, "rb"));
+    //
+    // and then use fc.f to the file. Be sure to actually declare a
+    // variable of type FileCloser. Using it as a temporary won't work
+    // because it will close the file as soon as it goes out of scope.
+    class FileCloser
+    {
+      public:
+        FileCloser(FILE* f) :
+            f(f)
+        {
+        }
+
+        ~FileCloser()
+        {
+            if (f) {
+                fclose(f);
+                f = nullptr;
+            }
+        }
+
+        FILE* f;
+    };
+
+    // Attempt to open the file read only and then close again
+    QPDF_DLL
+    bool file_can_be_opened(char const* filename);
+
     // Wrap around off_t versions of fseek and ftell if available
     QPDF_DLL
     int seek(FILE* stream, qpdf_offset_t offset, int whence);
@@ -102,8 +156,54 @@
     bool same_file(char const* name1, char const* name2);
 
     QPDF_DLL
+    void remove_file(char const* path);
+
+    // rename_file will overwrite newname if it exists
+    QPDF_DLL
+    void rename_file(char const* oldname, char const* newname);
+
+    // Write the contents of filename as a binary file to the
+    // pipeline.
+    QPDF_DLL
+    void pipe_file(char const* filename, Pipeline* p);
+
+    // Return a function that will send the contents of the given file
+    // through the given pipeline as binary data.
+    QPDF_DLL
+    std::function<void(Pipeline*)> file_provider(std::string const& filename);
+
+    // Return the last path element. On Windows, either / or \ are
+    // path separators. Otherwise, only / is a path separator. Strip
+    // any trailing path separators. Then, if any path separators
+    // remain, return everything after the last path separator.
+    // Otherwise, return the whole string. As a special case, if a
+    // string consists entirely of path separators, the first
+    // character is returned.
+    QPDF_DLL
+    std::string path_basename(std::string const& filename);
+
+    // Returns a dynamically allocated copy of a string that the
+    // caller has to delete with delete.
+    QPDF_DLL
     char* copy_string(std::string const&);
 
+    // Returns a shared_ptr<char> with the correct deleter.
+    QPDF_DLL
+    std::shared_ptr<char> make_shared_cstr(std::string const&);
+
+    // Copy string as a unique_ptr to an array.
+    QPDF_DLL
+    std::unique_ptr<char> make_unique_cstr(std::string const&);
+
+    // Create a shared pointer to an array. From c++20,
+    // std::make_shared<T>(n) does this.
+    template <typename T>
+    std::shared_ptr<T>
+    make_shared_array(size_t n)
+    {
+        return std::shared_ptr<T>(new Tn, std::default_delete<T>());
+    }
+
     // Returns lower-case hex-encoded version of the string, treating
     // each character in the input string as unsigned.  The output
     // string will be twice as long as the input string.
@@ -127,7 +227,6 @@
     QPDF_DLL
     void setLineBuf(FILE*);
 
-
     // May modify argv0
     QPDF_DLL
     char* getWhoami(char* argv0);
@@ -141,6 +240,67 @@
     QPDF_DLL
     time_t get_current_time();
 
+    // Portable structure representing a point in time with second
+    // granularity and time zone offset
+    struct QPDFTime
+    {
+        QPDFTime() = default;
+        QPDFTime(QPDFTime const&) = default;
+        QPDFTime& operator=(QPDFTime const&) = default;
+        QPDFTime(
+            int year,
+            int month,
+            int day,
+            int hour,
+            int minute,
+            int second,
+            int tz_delta) :
+            year(year),
+            month(month),
+            day(day),
+            hour(hour),
+            minute(minute),
+            second(second),
+            tz_delta(tz_delta)
+        {
+        }
+        int year;  // actual year, no 1900 stuff
+        int month; // 1--12
+        int day;   // 1--31
+        int hour;
+        int minute;
+        int second;
+        int tz_delta; // minutes before UTC
+    };
+
+    QPDF_DLL
+    QPDFTime get_current_qpdf_time();
+
+    // Convert a QPDFTime structure to a PDF timestamp string, which
+    // is "D:yyyymmddhhmmss<z>" where <z> is either "Z" for UTC or
+    // "-hh'mm'" or "+hh'mm'" for timezone offset. <z> may also be
+    // omitted. Examples: "D:20210207161528-05'00'",
+    // "D:20210207211528Z", "D:20210207211528". See
+    // get_current_qpdf_time and the QPDFTime structure above.
+    QPDF_DLL
+    std::string qpdf_time_to_pdf_time(QPDFTime const&);
+
+    // Convert QPDFTime to a second-granularity ISO-8601 timestamp.
+    QPDF_DLL
+    std::string qpdf_time_to_iso8601(QPDFTime const&);
+
+    // Convert a PDF timestamp string to a QPDFTime. If syntactically
+    // valid, return true and fill in qtm. If not valid, return false,
+    // and do not modify qtm. If qtm is null, just check the validity
+    // of the string.
+    QPDF_DLL
+    bool pdf_time_to_qpdf_time(std::string const&, QPDFTime* qtm = nullptr);
+
+    // Convert PDF timestamp to a second-granularity ISO-8601
+    // timestamp. If syntactically valid, return true and initialize
+    // iso8601. Otherwise, return false.
+    bool pdf_time_to_iso8601(std::string const& pdf_time, std::string& iso8601);
+
     // Return a string containing the byte representation of the UTF-8
     // encoding for the unicode value passed in.
     QPDF_DLL
@@ -152,11 +312,33 @@
     QPDF_DLL
     std::string toUTF16(unsigned long uval);
 
-    // Test whether this is a UTF-16 big-endian string. This is
-    // indicated by first two bytes being 0xFE 0xFF.
+    // If utf8_val.at(pos) points to the beginning of a valid
+    // UTF-8-encoded character, return the codepoint of the character
+    // and set error to false. Otherwise, return 0xfffd and set error
+    // to true. In all cases, pos is advanced to the next position
+    // that may begin a valid character. When the string has been
+    // consumed, pos will be set to the string length. It is an error
+    // to pass a value of pos that is greater than or equal to the
+    // length of the string.
+    QPDF_DLL
+    unsigned long get_next_utf8_codepoint(
+        std::string const& utf8_val, size_t& pos, bool& error);
+
+    // Test whether this is a UTF-16 string. This is indicated by
+    // first two bytes being 0xFE 0xFF (big-endian) or 0xFF 0xFE
+    // (little-endian), each of which is the encoding of U+FEFF, the
+    // Unicode marker. Starting in qpdf 10.6.2, this detects
+    // little-endian as well as big-endian. Even though the PDF spec
+    // doesn't allow little-endian, most readers seem to accept it.
     QPDF_DLL
     bool is_utf16(std::string const&);
 
+    // Test whether this is an explicit UTF-8 string as allowed by the
+    // PDF 2.0 spec. This is indicated by first three bytes being 0xEF
+    // 0xBB 0xBF, which is the UTF-8 encoding of U+FEFF.
+    QPDF_DLL
+    bool is_explicit_utf8(std::string const&);
+
     // Convert a UTF-8 encoded string to UTF-16 big-endian.
     // Unrepresentable code points are converted to U+FFFD.
     QPDF_DLL
@@ -166,17 +348,16 @@
     // encoding system by replacing all unsupported characters with
     // the given unknown_char.
     QPDF_DLL
-    std::string utf8_to_ascii(
-        std::string const& utf8, char unknown_char = '?');
+    std::string utf8_to_ascii(std::string const& utf8, char unknown_char = '?');
     QPDF_DLL
-    std::string utf8_to_win_ansi(
-        std::string const& utf8, char unknown_char = '?');
+    std::string
+    utf8_to_win_ansi(std::string const& utf8, char unknown_char = '?');
     QPDF_DLL
-    std::string utf8_to_mac_roman(
-        std::string const& utf8, char unknown_char = '?');
+    std::string
+    utf8_to_mac_roman(std::string const& utf8, char unknown_char = '?');
     QPDF_DLL
-    std::string utf8_to_pdf_doc(
-        std::string const& utf8, char unknown_char = '?');
+    std::string
+    utf8_to_pdf_doc(std::string const& utf8, char unknown_char = '?');
 
     // These versions return true if the conversion was successful and
     // false if any unrepresentable characters were found and had to
@@ -194,8 +375,8 @@
     bool utf8_to_pdf_doc(
         std::string const& utf8, std::string& pdfdoc, char unknown_char = '?');
 
-    // Convert a UTF-16 big-endian encoded string to UTF-8.
-    // Unrepresentable code points are converted to U+FFFD.
+    // Convert a UTF-16 encoded string to UTF-8. Unrepresentable code
+    // points are converted to U+FFFD.
     QPDF_DLL
     std::string utf16_to_utf8(std::string const& utf16);
 
@@ -216,12 +397,15 @@
     // help us guess. If there are no characters with the high bit
     // set, has_8bit_chars is false, and the other values are also
     // false, even though ASCII strings are valid UTF-8. is_valid_utf8
-    // means that the string is non-trivially valid UTF-8.
+    // means that the string is non-trivially valid UTF-8. Although
+    // the PDF spec requires UTF-16 to be UTF-16BE, qpdf (and just
+    // about everything else) accepts UTF-16LE (as of 10.6.2).
     QPDF_DLL
-    void analyze_encoding(std::string const& str,
-                          bool& has_8bit_chars,
-                          bool& is_valid_utf8,
-                          bool& is_utf16);
+    void analyze_encoding(
+        std::string const& str,
+        bool& has_8bit_chars,
+        bool& is_valid_utf8,
+        bool& is_utf16);
 
     // Try to compensate for previously incorrectly encoded strings.
     // We want to compensate for the following errors:
@@ -245,42 +429,25 @@
     QPDF_DLL
     std::vector<std::string> possible_repaired_encodings(std::string);
 
-    // If secure random number generation is supported on your
-    // platform and qpdf was not compiled with insecure random number
-    // generation, this returns a cryptographically secure random
-    // number.  Otherwise it falls back to random from stdlib and
-    // calls srandom automatically the first time it is called.
+    // Return a cryptographically secure random number.
     QPDF_DLL
     long random();
 
-    // Wrapper around srandom from stdlib.  Seeds the standard library
-    // weak random number generator, which is not used if secure
-    // random number generation is being used.  You never need to call
-    // this method as it is called automatically if needed.
-    QPDF_DLL
-    void srandom(unsigned int seed);
-
-    // Initialize a buffer with random bytes.  By default, qpdf tries
-    // to use a secure random number source.  It can be configured at
-    // compile time to use an insecure random number source (from
-    // stdlib).  You can also call setRandomDataProvider with a
-    // RandomDataProvider, in which case this method will get its
-    // random bytes from that.
-
+    // Initialize a buffer with cryptographically secure random bytes.
     QPDF_DLL
     void initializeWithRandomBytes(unsigned char* data, size_t len);
 
-    // Supply a random data provider.  If not supplied, depending on
-    // compile time options, qpdf will either use the operating
-    // system's secure random number source or an insecure random
-    // source from stdlib.  The caller is responsible for managing the
-    // memory for the RandomDataProvider.  This method modifies a
-    // static variable.  If you are providing your own random data
-    // provider, you should call this at the beginning of your program
-    // before creating any QPDF objects.  Passing a null to this
-    // method will reset the library back to whichever of the built-in
-    // random data handlers is appropriate based on how qpdf was
-    // compiled.
+    // Supply a random data provider. Starting in qpdf 10.0.0, qpdf
+    // uses the crypto provider as its source of random numbers. If
+    // you are using the native crypto provider, then qpdf will either
+    // use the operating system's secure random number source or, only
+    // if enabled at build time, an insecure random source from
+    // stdlib. The caller is responsible for managing the memory for
+    // the RandomDataProvider. This method modifies a static variable.
+    // If you are providing your own random data provider, you should
+    // call this at the beginning of your program before creating any
+    // QPDF objects. Passing a null to this method will reset the
+    // library back to its default random data provider.
     QPDF_DLL
     void setRandomDataProvider(RandomDataProvider*);
 
@@ -292,33 +459,128 @@
     QPDF_DLL
     RandomDataProvider* getRandomDataProvider();
 
+    // Filename is UTF-8 encoded, even on Windows, as described in the
+    // comments for safe_fopen.
     QPDF_DLL
-    std::list<std::string> read_lines_from_file(char const* filename);
+    std::list<std::string>
+    read_lines_from_file(char const* filename, bool preserve_eol = false);
     QPDF_DLL
-    std::list<std::string> read_lines_from_file(std::istream&);
+    std::list<std::string>
+    read_lines_from_file(std::istream&, bool preserve_eol = false);
+    QPDF_DLL
+    std::list<std::string>
+    read_lines_from_file(FILE*, bool preserve_eol = false);
+    QPDF_DLL
+    void read_lines_from_file(
+        std::function<bool(char&)> next_char,
+        std::list<std::string>& lines,
+        bool preserve_eol = false);
+
+    QPDF_DLL
+    void read_file_into_memory(
+        char const* filename, std::shared_ptr<char>& file_buf, size_t& size);
 
+    // This used to be called strcasecmp, but that is a macro on some
+    // platforms, so we have to give it a name that is not likely to
+    // be a macro anywhere.
     QPDF_DLL
-    int strcasecmp(char const *, char const *);
+    int str_compare_nocase(char const*, char const*);
 
     // These routines help the tokenizer recognize certain character
     // classes without using ctype, which we avoid because of locale
     // considerations.
     QPDF_DLL
-    bool is_hex_digit(char);
+    inline bool is_hex_digit(char);
 
     QPDF_DLL
-    bool is_space(char);
+    inline bool is_space(char);
 
     QPDF_DLL
-    bool is_digit(char);
+    inline bool is_digit(char);
 
     QPDF_DLL
-    bool is_number(char const*);
+    inline bool is_number(char const*);
 
     // This method parses the numeric range syntax used by the qpdf
     // command-line tool. May throw std::runtime_error.
     QPDF_DLL
     std::vector<int> parse_numrange(char const* range, int max);
-};
+
+#ifndef QPDF_NO_WCHAR_T
+    // If you are building qpdf on a stripped down system that doesn't
+    // have wchar_t, such as may be the case in some embedded
+    // environments, you may define QPDF_NO_WCHAR_T in your build.
+    // This symbol is never defined automatically. Search for wchar_t
+    // in qpdf's top-level README.md file for details.
+
+    // Take an argv array consisting of wchar_t, as when wmain is
+    // invoked, convert all UTF-16 encoded strings to UTF-8, and call
+    // another main.
+    QPDF_DLL
+    int call_main_from_wmain(
+        int argc, wchar_t* argv, std::function<int(int, char*)> realmain);
+    QPDF_DLL
+    int call_main_from_wmain(
+        int argc,
+        wchar_t const* const argv,
+        std::function<int(int, char const* const)> realmain);
+#endif // QPDF_NO_WCHAR_T
+
+    // Try to return the maximum amount of memory allocated by the
+    // current process and its threads. Return 0 if unable to
+    // determine. This is Linux-specific and not implemented to be
+    // completely reliable. It is used during development for
+    // performance testing to detect changes that may significantly
+    // change memory usage. It is not recommended for use for other
+    // purposes.
+    QPDF_DLL
+    size_t get_max_memory_usage();
+}; // namespace QUtil
+
+inline bool
+QUtil::is_hex_digit(char ch)
+{
+    return (ch && (strchr("0123456789abcdefABCDEF", ch) != nullptr));
+}
+
+inline bool
+QUtil::is_space(char ch)
+{
+    return (ch && (strchr(" \f\n\r\t\v", ch) != nullptr));
+}
+
+inline bool
+QUtil::is_digit(char ch)
+{
+    return ((ch >= '0') && (ch <= '9'));
+}
+
+inline bool
+QUtil::is_number(char const* p)
+{
+    // ^\+\-?(\.\d*|\d+(\.\d*)?)$
+    if (!*p) {
+        return false;
+    }
+    if ((*p == '-') || (*p == '+')) {
+        ++p;
+    }
+    bool found_dot = false;
+    bool found_digit = false;
+    for (; *p; ++p) {
+        if (*p == '.') {
+            if (found_dot) {
+                // only one dot
+                return false;
+            }
+            found_dot = true;
+        } else if (QUtil::is_digit(*p)) {
+            found_digit = true;
+        } else {
+            return false;
+        }
+    }
+    return found_digit;
+}
 
 #endif // QUTIL_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/RandomDataProvider.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/RandomDataProvider.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/Types.h -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/Types.h Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/auto_job_c_att.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/auto_job_c_copy_att.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/auto_job_c_enc.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/auto_job_c_main.hh Added

@@ -0,0 +1,91 @@
+//
+// This file is automatically generated by generate_auto_job.
+// Edits will be automatically overwritten if the build is
+// run in maintainer mode.
+//
+// clang-format off
+//
+QPDF_DLL Config* allowWeakCrypto();
+QPDF_DLL Config* check();
+QPDF_DLL Config* checkLinearization();
+QPDF_DLL Config* coalesceContents();
+QPDF_DLL Config* decrypt();
+QPDF_DLL Config* deterministicId();
+QPDF_DLL Config* externalizeInlineImages();
+QPDF_DLL Config* filteredStreamData();
+QPDF_DLL Config* flattenRotation();
+QPDF_DLL Config* generateAppearances();
+QPDF_DLL Config* ignoreXrefStreams();
+QPDF_DLL Config* isEncrypted();
+QPDF_DLL Config* jsonInput();
+QPDF_DLL Config* keepInlineImages();
+QPDF_DLL Config* linearize();
+QPDF_DLL Config* listAttachments();
+QPDF_DLL Config* newlineBeforeEndstream();
+QPDF_DLL Config* noOriginalObjectIds();
+QPDF_DLL Config* noWarn();
+QPDF_DLL Config* optimizeImages();
+QPDF_DLL Config* passwordIsHexKey();
+QPDF_DLL Config* preserveUnreferenced();
+QPDF_DLL Config* preserveUnreferencedResources();
+QPDF_DLL Config* progress();
+QPDF_DLL Config* qdf();
+QPDF_DLL Config* rawStreamData();
+QPDF_DLL Config* recompressFlate();
+QPDF_DLL Config* removePageLabels();
+QPDF_DLL Config* reportMemoryUsage();
+QPDF_DLL Config* requiresPassword();
+QPDF_DLL Config* showEncryption();
+QPDF_DLL Config* showEncryptionKey();
+QPDF_DLL Config* showLinearization();
+QPDF_DLL Config* showNpages();
+QPDF_DLL Config* showPages();
+QPDF_DLL Config* showXref();
+QPDF_DLL Config* staticAesIv();
+QPDF_DLL Config* staticId();
+QPDF_DLL Config* suppressPasswordRecovery();
+QPDF_DLL Config* suppressRecovery();
+QPDF_DLL Config* testJsonSchema();
+QPDF_DLL Config* verbose();
+QPDF_DLL Config* warningExit0();
+QPDF_DLL Config* withImages();
+QPDF_DLL Config* compressionLevel(std::string const& parameter);
+QPDF_DLL Config* copyEncryption(std::string const& parameter);
+QPDF_DLL Config* encryptionFilePassword(std::string const& parameter);
+QPDF_DLL Config* forceVersion(std::string const& parameter);
+QPDF_DLL Config* iiMinBytes(std::string const& parameter);
+QPDF_DLL Config* jobJsonFile(std::string const& parameter);
+QPDF_DLL Config* jsonObject(std::string const& parameter);
+QPDF_DLL Config* keepFilesOpenThreshold(std::string const& parameter);
+QPDF_DLL Config* linearizePass1(std::string const& parameter);
+QPDF_DLL Config* minVersion(std::string const& parameter);
+QPDF_DLL Config* oiMinArea(std::string const& parameter);
+QPDF_DLL Config* oiMinHeight(std::string const& parameter);
+QPDF_DLL Config* oiMinWidth(std::string const& parameter);
+QPDF_DLL Config* password(std::string const& parameter);
+QPDF_DLL Config* passwordFile(std::string const& parameter);
+QPDF_DLL Config* removeAttachment(std::string const& parameter);
+QPDF_DLL Config* rotate(std::string const& parameter);
+QPDF_DLL Config* showAttachment(std::string const& parameter);
+QPDF_DLL Config* showObject(std::string const& parameter);
+QPDF_DLL Config* jsonStreamPrefix(std::string const& parameter);
+QPDF_DLL Config* updateFromJson(std::string const& parameter);
+QPDF_DLL Config* collate(std::string const& parameter);
+QPDF_DLL Config* collate();
+QPDF_DLL Config* splitPages(std::string const& parameter);
+QPDF_DLL Config* splitPages();
+QPDF_DLL Config* compressStreams(std::string const& parameter);
+QPDF_DLL Config* decodeLevel(std::string const& parameter);
+QPDF_DLL Config* flattenAnnotations(std::string const& parameter);
+QPDF_DLL Config* jsonKey(std::string const& parameter);
+QPDF_DLL Config* jsonStreamData(std::string const& parameter);
+QPDF_DLL Config* keepFilesOpen(std::string const& parameter);
+QPDF_DLL Config* normalizeContent(std::string const& parameter);
+QPDF_DLL Config* objectStreams(std::string const& parameter);
+QPDF_DLL Config* passwordMode(std::string const& parameter);
+QPDF_DLL Config* removeUnreferencedResources(std::string const& parameter);
+QPDF_DLL Config* streamData(std::string const& parameter);
+QPDF_DLL Config* json(std::string const& parameter);
+QPDF_DLL Config* json();
+QPDF_DLL Config* jsonOutput(std::string const& parameter);
+QPDF_DLL Config* jsonOutput();

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/auto_job_c_pages.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/auto_job_c_uo.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/include/qpdf/qpdf-c.h -> _service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/qpdf-c.h Changed

@@ -1,4 +1,4 @@
-/* Copyright (c) 2005-2019 Jay Berkenbilt
+/* Copyright (c) 2005-2022 Jay Berkenbilt
  *
  * This file is part of qpdf.
  *
@@ -33,6 +33,10 @@
  *
  * There are several things to keep in mind when using the C API.
  *
+ *     Error handling is tricky because the underlying C++ API uses
+ *     exception handling. See "ERROR HANDLING" below for a detailed
+ *     explanation.
+ *
  *     The C API is not as rich as the C++ API.  For any operations
  *     that involve actually manipulating PDF objects, you must use
  *     the C++ API.  The C API is primarily useful for doing basic
@@ -46,35 +50,23 @@
  *     multiple threads.
  *
  *     All dynamic memory, except for that of the qpdf_data object
- *     itself, is managed by the library.  You must create a qpdf_data
- *     object using qpdf_init and free it using qpdf_cleanup.
+ *     itself, is managed by the library unless otherwise noted. You
+ *     must create a qpdf_data object using qpdf_init and free it
+ *     using qpdf_cleanup.
  *
- *     Many functions return char*.  In all cases, the char* values
- *     returned are pointers to data inside the qpdf_data object.  As
- *     such, they are always freed by qpdf_cleanup.  In most cases,
+ *     Many functions return char*. In all cases, the char* values
+ *     returned are pointers to data inside the qpdf_data object. As
+ *     such, they are always freed by qpdf_cleanup. In most cases,
  *     strings returned by functions here may be invalidated by
  *     subsequent function calls, sometimes even to different
- *     functions.  If you want a string to last past the next qpdf
- *     call or after a call to qpdf_cleanup, you should make a copy of
- *     it.
+ *     functions. If you want a string to last past the next qpdf call
+ *     or after a call to qpdf_cleanup, you should make a copy of it.
  *
- *     Many functions defined here merely set parameters and therefore
- *     never return error conditions.  Functions that may cause PDF
- *     files to be read or written may return error conditions.  Such
- *     functions return an error code.  If there were no errors or
- *     warnings, they return QPDF_SUCCESS.  If there were warnings,
- *     the return value has the QPDF_WARNINGS bit set.  If there
- *     errors, the QPDF_ERRORS bit is set.  In other words, if there
- *     are both warnings and errors, then the return status will be
- *     QPDF_WARNINGS | QPDF_ERRORS.  You may also call the
- *     qpdf_more_warnings and qpdf_more_errors functions to test
- *     whether there are unseen warning or error conditions.  By
- *     default, warnings are written to stderr when detected, but this
- *     behavior can be suppressed.  In all cases, errors and warnings
- *     may be retrieved by calling qpdf_next_warning and
- *     qpdf_next_error.  All exceptions thrown by the C++ interface
- *     are caught and converted into error messages by the C
- *     interface.
+ *     Since it is possible for a PDF string to contain null
+ *     characters, a function that returns data originating from a PDF
+ *     string may also contain null characters. To handle that case,
+ *     you call qpdf_get_last_string_length() to get the length of
+ *     whatever string was just returned. See STRING FUNCTIONS below.
  *
  *     Most functions defined here have obvious counterparts that are
  *     methods to either QPDF or QPDFWriter.  Please see comments in
@@ -83,9 +75,72 @@
  *     primarily on differences between the C and C++ API.
  */
 
+/* ERROR HANDLING -- changed in qpdf 10.5 */
+
+/* SUMMARY: The only way to know whether a function that does not
+ * return an error code has encountered an error is to call
+ * qpdf_has_error after each function. You can do this even for
+ * functions that do return error codes. You can also call
+ * qpdf_silence_errors to prevent qpdf from writing these errors to
+ * stderr.
+ *
+ * DETAILS:
+ *
+ * The data type underlying qpdf_data maintains a list of warnings and
+ * a single error. To retrieve warnings, call qpdf_next_warning while
+ * qpdf_more_warnings is true. To retrieve the error, call
+ * qpdf_get_error when qpdf_has_error is true.
+ *
+ * There are several things that are important to understand.
+ *
+ * Some functions return an error code. The value of the error code is
+ * made up of a bitwise-OR of QPDF_WARNINGS and QPDF_ERRORS. The
+ * QPDF_ERRORS bit is set if there was an error during the *most
+ * recent call* to the API. The QPDF_WARNINGS bit is set if there are
+ * any warnings that have not yet been retrieved by calling
+ * qpdf_more_warnings. It is possible for both its or neither bit to
+ * be set.
+ *
+ * The expected mode of operation is to go through a series of
+ * operations, checking for errors after each call, but only checking
+ * for warnings at the end. This is similar to how it works in the C++
+ * API where warnings are handled in exactly this way but errors
+ * result in exceptions being thrown. However, in both the C and C++
+ * API, it is possible to check for and handle warnings as they arise.
+ *
+ * Some functions return values (or void) rather than an error code.
+ * This is especially true with the object handling functions. Those
+ * functions can still generate errors. To handle errors in those
+ * cases, you should explicitly call qpdf_has_error(). Note that, if
+ * you want to avoid the inconsistencies in the interface, you can
+ * always check for error conditions in this way rather than looking
+ * at status return codes.
+ *
+ * Prior to qpdf 10.5, if one of the functions that does not return an
+ * error code encountered an exception, it would cause the entire
+ * program to crash. Starting in qpdf 10.5, the default response to an
+ * error condition in these situations is to print the error to
+ * standard error, issue exactly one warning indicating that such an
+ * error occurred, and return a sensible fallback value (0 for
+ * numbers, QPDF_FALSE for booleans, "" for strings, or a null or
+ * uninitialized object handle). This is better than the old behavior
+ * but still undesirable as the best option is to explicitly check for
+ * error conditions.
+ *
+ * To prevent qpdf from writing error messages to stderr in this way,
+ * you can call qpdf_silence_errors(). This signals to the qpdf
+ * library that you intend to check the error codes yourself.
+ *
+ * If you encounter a situation where an exception from the C++ code
+ * is not properly converted to an error as described above, it is a
+ * bug in qpdf, which should be reported at
+ * https://github.com/qpdf/qpdf/issues/new.
+ */
+
+#include <qpdf/Constants.h>
 #include <qpdf/DLL.h>
 #include <qpdf/Types.h>
-#include <qpdf/Constants.h>
+#include <qpdf/qpdflogger-c.h>
 #include <string.h>
 
 #ifdef __cplusplus
@@ -100,26 +155,41 @@
      * that the values below can be logically orred together.
      */
     typedef int QPDF_ERROR_CODE;
-#   define QPDF_SUCCESS 0
-#   define QPDF_WARNINGS 1 << 0
-#   define QPDF_ERRORS 1 << 1
+#define QPDF_SUCCESS 0
+#define QPDF_WARNINGS 1 << 0
+#define QPDF_ERRORS 1 << 1
 
     typedef int QPDF_BOOL;
-#   define QPDF_TRUE 1
-#   define QPDF_FALSE 0
+#define QPDF_TRUE 1
+#define QPDF_FALSE 0
+
+    /* From qpdf 10.5: call this method to signal to the library that
+     * you are explicitly handling errors from functions that don't
+     * return error codes. Otherwise, the library will print these
+     * error conditions to stderr and issue a warning. Prior to 10.5,
+     * the program would have crashed from an unhandled exception.
+     */
+    QPDF_DLL
+    void qpdf_silence_errors(qpdf_data qpdf);
 
-    /* Returns the version of the qpdf software */
+    /* Returns the version of the qpdf software. This is guaranteed to
+     * be a static value.
+     */
     QPDF_DLL
     char const* qpdf_get_qpdf_version();
 
     /* Returns dynamically allocated qpdf_data pointer; must be freed
-     * by calling qpdf_cleanup.
+     * by calling qpdf_cleanup. You must call qpdf_read, one of the
+     * other qpdf_read_* functions, or qpdf_empty_pdf before calling
+     * any function that would need to operate on the PDF file.
      */
     QPDF_DLL
     qpdf_data qpdf_init();
 
     /* Pass a pointer to the qpdf_data pointer created by qpdf_init to
-     * clean up resources.
+     * clean up resources. This does not include buffers initialized
+     * by functions that return stream data but it otherwise includes
+     * all data associated with the QPDF object or any object handles.
      */
     QPDF_DLL
     void qpdf_cleanup(qpdf_data* qpdf);
@@ -134,7 +204,7 @@
 
     /* Returns the error condition, if any.  The return value is a
      * pointer to data that will become invalid after the next call to
-     * this function, qpdf_next_warning, or qpdf_destroy.  After this
+     * this function, qpdf_next_warning, or qpdf_cleanup.  After this
      * function is called, qpdf_has_error will return QPDF_FALSE until
      * the next error condition occurs.  If there is no error
      * condition, this function returns a null pointer.
@@ -180,6 +250,20 @@
     QPDF_DLL
     void qpdf_set_suppress_warnings(qpdf_data qpdf, QPDF_BOOL value);
 
+    /* LOG FUNCTIONS */
+
+    /* Set or get the current logger. You need to call
+     * qpdflogger_cleanup on the logger handles when you are done with
+     * the handles. The underlying logger is cleaned up automatically
+     * and persists if needed after the logger handle is destroyed.
+     * See comments in qpdflogger-c.h for details.
+     */
+
+    QPDF_DLL
+    void qpdf_set_logger(qpdf_data qpdf, qpdflogger_handle logger);
+    QPDF_DLL
+    qpdflogger_handle qpdf_get_logger(qpdf_data qpdf);
+
     /* CHECK FUNCTIONS */
 
     /* Attempt to read the entire PDF file to see if there are any
@@ -188,8 +272,6 @@
     QPDF_DLL
     QPDF_ERROR_CODE qpdf_check_pdf(qpdf_data qpdf);
 
-    /* READ FUNCTIONS */
-
     /* READ PARAMETER FUNCTIONS -- must be called before qpdf_read */
 
     QPDF_DLL
@@ -198,14 +280,18 @@
     QPDF_DLL
     void qpdf_set_attempt_recovery(qpdf_data qpdf, QPDF_BOOL value);
 
+    /* PROCESS FUNCTIONS */
+
+    /* This functions process a PDF or JSON input source. */
+
     /* Calling qpdf_read causes processFile to be called in the C++
      * API.  Basic parsing is performed, but data from the file is
      * only read as needed.  For files without passwords, pass a null
-     * pointer as the password.
+     * pointer or an empty string as the password.
      */
     QPDF_DLL
-    QPDF_ERROR_CODE qpdf_read(qpdf_data qpdf, char const* filename,
-			      char const* password);
+    QPDF_ERROR_CODE
+    qpdf_read(qpdf_data qpdf, char const* filename, char const* password);
 
     /* Calling qpdf_read_memory causes processMemoryFile to be called
      * in the C++ API.  Otherwise, it behaves in the same way as
@@ -214,14 +300,54 @@
      * library.
      */
     QPDF_DLL
-    QPDF_ERROR_CODE qpdf_read_memory(qpdf_data qpdf,
-				     char const* description,
-				     char const* buffer,
-				     unsigned long long size,
-				     char const* password);
+    QPDF_ERROR_CODE qpdf_read_memory(
+        qpdf_data qpdf,
+        char const* description,
+        char const* buffer,
+        unsigned long long size,
+        char const* password);
+
+    /* Calling qpdf_empty_pdf initializes this qpdf object with an
+     * empty PDF, making it possible to create a PDF from scratch
+     * using the C API. Added in 10.6.
+     */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_empty_pdf(qpdf_data qpdf);
+
+    /* Create a PDF from a JSON file. This calls createFromJSON in the
+     * C++ API.
+     */
+    QPDF_DLL
+    QPDF_ERROR_CODE
+    qpdf_create_from_json_file(qpdf_data qpdf, char const* filename);
+
+    /* Create a PDF from JSON data in a null-terminated string. This
+     * calls createFromJSON in the C++ API.
+     */
+    QPDF_DLL
+    QPDF_ERROR_CODE
+    qpdf_create_from_json_data(
+        qpdf_data qpdf, char const* buffer, unsigned long long size);
+
+    /* JSON UPDATE FUNCTIONS */
+
+    /* Update a QPDF object from a JSON file or buffer. These
+     * functions call updateFromJSON. One of the other processing
+     * functions has to be called first so that the QPDF object is
+     * initialized with PDF data.
+     */
+    QPDF_DLL
+    QPDF_ERROR_CODE
+    qpdf_update_from_json_file(qpdf_data qpdf, char const* filename);
+    QPDF_DLL
+    QPDF_ERROR_CODE
+    qpdf_update_from_json_data(
+        qpdf_data qpdf, char const* buffer, unsigned long long size);
+
+    /* READ FUNCTIONS */
 
-    /* Read functions below must be called after qpdf_read or
-     * qpdf_read_memory. */
+    /* Read functions below must be called after qpdf_read or any of
+     * the other functions that process a PDF. */
 
     /*
      * NOTE: Functions that return char* are returning a pointer to an
@@ -294,6 +420,39 @@
     QPDF_DLL
     QPDF_BOOL qpdf_allow_modify_all(qpdf_data qpdf);
 
+    /* JSON WRITE FUNCTIONS */
+
+    /* This function serializes the PDF to JSON. This calls writeJSON
+     * from the C++ API.
+     *
+     * - version: the JSON version, currently must be 2
+     * - fn: a function that will be called with blocks of JSON data;
+     *   will be called with data, a length, and the value of the
+     *   udata parameter to this function
+     * - udata: will be passed as the third argument to fn with each
+     *   call; use this for your own tracking or pass a null pointer
+     *   if you don't need it
+     * - For decode_level, json_stream_data, file_prefix, and
+     *   wanted_objects, see comments in QPDF.hh. For this API,
+     *   wanted_objects should be a null-terminated array of
+     *   null-terminated strings. Pass a null pointer if you want all
+     *   objects.
+     */
+
+    /* Function should return 0 on success. */
+    typedef int (*qpdf_write_fn_t)(char const* data, size_t len, void* udata);
+
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_write_json(
+        qpdf_data qpdf,
+        int version,
+        qpdf_write_fn_t fn,
+        void* udata,
+        enum qpdf_stream_decode_level_e decode_level,
+        enum qpdf_json_stream_data_e json_stream_data,
+        char const* file_prefix,
+        char const* const* wanted_objects);
+
     /* WRITE FUNCTIONS */
 
     /* Set up for writing.  No writing is actually performed until the
@@ -333,24 +492,23 @@
     unsigned char const* qpdf_get_buffer(qpdf_data qpdf);
 
     QPDF_DLL
-    void qpdf_set_object_stream_mode(qpdf_data qpdf,
-				     enum qpdf_object_stream_e mode);
+    void
+    qpdf_set_object_stream_mode(qpdf_data qpdf, enum qpdf_object_stream_e mode);
 
     QPDF_DLL
-    void qpdf_set_stream_data_mode(qpdf_data qpdf,
-				   enum qpdf_stream_data_e mode);
+    void
+    qpdf_set_stream_data_mode(qpdf_data qpdf, enum qpdf_stream_data_e mode);
 
     QPDF_DLL
     void qpdf_set_compress_streams(qpdf_data qpdf, QPDF_BOOL value);
 
-
     QPDF_DLL
-    void qpdf_set_decode_level(qpdf_data qpdf,
-                               enum qpdf_stream_decode_level_e level);
+    void qpdf_set_decode_level(
+        qpdf_data qpdf, enum qpdf_stream_decode_level_e level);
 
     QPDF_DLL
-    void qpdf_set_preserve_unreferenced_objects(
-        qpdf_data qpdf, QPDF_BOOL value);
+    void
+    qpdf_set_preserve_unreferenced_objects(qpdf_data qpdf, QPDF_BOOL value);
 
     QPDF_DLL
     void qpdf_set_newline_before_endstream(qpdf_data qpdf, QPDF_BOOL value);
@@ -377,103 +535,594 @@
     void qpdf_set_static_aes_IV(qpdf_data qpdf, QPDF_BOOL value);
 
     QPDF_DLL
-    void qpdf_set_suppress_original_object_IDs(
-	qpdf_data qpdf, QPDF_BOOL value);
+    void qpdf_set_suppress_original_object_IDs(qpdf_data qpdf, QPDF_BOOL value);
 
     QPDF_DLL
     void qpdf_set_preserve_encryption(qpdf_data qpdf, QPDF_BOOL value);
 
+    /* The *_insecure functions are identical to the old versions but
+     * have been renamed as a an alert to the caller that they are
+     * insecure. See "Weak Cryptographic" in the manual for
+     * details.
+     */
     QPDF_DLL
-    void qpdf_set_r2_encryption_parameters(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_print, QPDF_BOOL allow_modify,
-	QPDF_BOOL allow_extract, QPDF_BOOL allow_annotate);
+    void qpdf_set_r2_encryption_parameters_insecure(
+        qpdf_data qpdf,
+        char const* user_password,
+        char const* owner_password,
+        QPDF_BOOL allow_print,
+        QPDF_BOOL allow_modify,
+        QPDF_BOOL allow_extract,
+        QPDF_BOOL allow_annotate);
+
+    QPDF_DLL
+    void qpdf_set_r3_encryption_parameters_insecure(
+        qpdf_data qpdf,
+        char const* user_password,
+        char const* owner_password,
+        QPDF_BOOL allow_accessibility,
+        QPDF_BOOL allow_extract,
+        QPDF_BOOL allow_assemble,
+        QPDF_BOOL allow_annotate_and_form,
+        QPDF_BOOL allow_form_filling,
+        QPDF_BOOL allow_modify_other,
+        enum qpdf_r3_print_e print);
+
+    QPDF_DLL
+    void qpdf_set_r4_encryption_parameters_insecure(
+        qpdf_data qpdf,
+        char const* user_password,
+        char const* owner_password,
+        QPDF_BOOL allow_accessibility,
+        QPDF_BOOL allow_extract,
+        QPDF_BOOL allow_assemble,
+        QPDF_BOOL allow_annotate_and_form,
+        QPDF_BOOL allow_form_filling,
+        QPDF_BOOL allow_modify_other,
+        enum qpdf_r3_print_e print,
+        QPDF_BOOL encrypt_metadata,
+        QPDF_BOOL use_aes);
 
     QPDF_DLL
-    void qpdf_set_r3_encryption_parameters2(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-        QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-        QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-	enum qpdf_r3_print_e print);
+    void qpdf_set_r5_encryption_parameters2(
+        qpdf_data qpdf,
+        char const* user_password,
+        char const* owner_password,
+        QPDF_BOOL allow_accessibility,
+        QPDF_BOOL allow_extract,
+        QPDF_BOOL allow_assemble,
+        QPDF_BOOL allow_annotate_and_form,
+        QPDF_BOOL allow_form_filling,
+        QPDF_BOOL allow_modify_other,
+        enum qpdf_r3_print_e print,
+        QPDF_BOOL encrypt_metadata);
 
     QPDF_DLL
-    void qpdf_set_r4_encryption_parameters2(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-        QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-        QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-	enum qpdf_r3_print_e print,
-        QPDF_BOOL encrypt_metadata, QPDF_BOOL use_aes);
+    void qpdf_set_r6_encryption_parameters2(
+        qpdf_data qpdf,
+        char const* user_password,
+        char const* owner_password,
+        QPDF_BOOL allow_accessibility,
+        QPDF_BOOL allow_extract,
+        QPDF_BOOL allow_assemble,
+        QPDF_BOOL allow_annotate_and_form,
+        QPDF_BOOL allow_form_filling,
+        QPDF_BOOL allow_modify_other,
+        enum qpdf_r3_print_e print,
+        QPDF_BOOL encrypt_metadata);
 
     QPDF_DLL
-    void qpdf_set_r5_encryption_parameters2(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-        QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-        QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-	enum qpdf_r3_print_e print, QPDF_BOOL encrypt_metadata);
+    void qpdf_set_linearization(qpdf_data qpdf, QPDF_BOOL value);
 
     QPDF_DLL
-    void qpdf_set_r6_encryption_parameters2(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-        QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-        QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-	enum qpdf_r3_print_e print, QPDF_BOOL encrypt_metadata);
+    void qpdf_set_minimum_pdf_version(qpdf_data qpdf, char const* version);
+
+    QPDF_DLL
+    void qpdf_set_minimum_pdf_version_and_extension(
+        qpdf_data qpdf, char const* version, int extension_level);
 
-    /* Pre 8.4.0 encryption API */
     QPDF_DLL
-    void qpdf_set_r3_encryption_parameters(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-	enum qpdf_r3_print_e print, enum qpdf_r3_modify_e modify);
+    void qpdf_force_pdf_version(qpdf_data qpdf, char const* version);
 
     QPDF_DLL
-    void qpdf_set_r4_encryption_parameters(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-	enum qpdf_r3_print_e print, enum qpdf_r3_modify_e modify,
-	QPDF_BOOL encrypt_metadata, QPDF_BOOL use_aes);
+    void qpdf_force_pdf_version_and_extension(
+        qpdf_data qpdf, char const* version, int extension_level);
 
+    /* During write, your report_progress function will be called with
+     * a value between 0 and 100 representing the approximate write
+     * progress. The data object you pass to
+     * qpdf_register_progress_reporter will be handed back to your
+     * function. This function must be called after qpdf_init_write
+     * (or qpdf_init_write_memory) and before qpdf_write. The
+     * registered progress reporter applies only to a single write, so
+     * you must call it again if you perform a subsequent write with a
+     * new writer.
+     */
     QPDF_DLL
-    void qpdf_set_r5_encryption_parameters(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-	enum qpdf_r3_print_e print, enum qpdf_r3_modify_e modify,
-	QPDF_BOOL encrypt_metadata);
+    void qpdf_register_progress_reporter(
+        qpdf_data qpdf,
+        void (*report_progress)(int percent, void* data),
+        void* data);
 
+    /* Do actual write operation. */
     QPDF_DLL
-    void qpdf_set_r6_encryption_parameters(
-	qpdf_data qpdf, char const* user_password, char const* owner_password,
-	QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-	enum qpdf_r3_print_e print, enum qpdf_r3_modify_e modify,
-	QPDF_BOOL encrypt_metadata);
+    QPDF_ERROR_CODE qpdf_write(qpdf_data qpdf);
+
+    /* Object handling.
+     *
+     * These functions take and return a qpdf_oh object handle, which
+     * is just an unsigned integer. The value 0 is never returned, which
+     * makes it usable as an uninitialized value. The handles returned by
+     * these functions are guaranteed to be unique, i.e. two calls to
+     * (the same of different) functions will return distinct handles
+     * even when they refer to the same object.
+     *
+     * Each function below, starting with qpdf_oh, corresponds to a
+     * specific method of QPDFObjectHandler. For example,
+     * qpdf_oh_is_bool corresponds to QPDFObjectHandle::isBool. If the
+     * C++ method is overloaded, the C function's name will be
+     * disambiguated. If the C++ method takes optional arguments, the C
+     * function will have required arguments in those positions. For
+     * details about the method, please see comments in
+     * QPDFObjectHandle.hh. Comments here only explain things that are
+     * specific to the "C" API.
+     *
+     * Only a fraction of the methods of QPDFObjectHandle are
+     * available here. Most of the basic methods for creating,
+     * accessing, and modifying most types of objects are present.
+     * Most of the higher-level functions are not implemented.
+     * Functions for dealing with content streams as well as objects
+     * that only exist in content streams (operators and inline
+     * images) are mostly not provided.
+     *
+     * To refer to a specific QPDFObjectHandle, you need a pair
+     * consisting of a qpdf_data and a qpdf_oh, which is just an index
+     * into an internal table of objects. All memory allocated by any
+     * of these functions is returned when qpdf_cleanup is called.
+     *
+     * Regarding memory, the same rules apply as the above functions.
+     * Specifically, if a function returns a char*, the memory is
+     * managed by the library and, unless otherwise specified, is not
+     * expected to be valid after the next qpdf call.
+     *
+     * The qpdf_data object keeps a cache of handles returned by these
+     * functions. Once you are finished referencing a handle, you can
+     * optionally release it. Releasing handles is optional since they
+     * will all get released by qpdf_cleanup, but it can help to
+     * reduce the memory footprint of the qpdf_data object to release
+     * them when you're done. Releasing a handle does not destroy the
+     * object. All QPDFObjectHandle objects are deleted when they are
+     * no longer referenced. Releasing an object handle simply
+     * invalidates it. For example, if you create an object,
+     * add it to an existing dictionary or array, and then release its
+     * handle, the object is safely part of the dictionary or array.
+     * Similarly, any other object handle refering to the object remains
+     * valid. Explicitly releasing an object handle is essentially the
+     * same as letting a QPDFObjectHandle go out of scope in the C++
+     * API.
+     *
+     * Please see "ERROR HANDLING" above for details on how error
+     * conditions are handled.
+     */
+
+    /* For examples of using this API, see examples/pdf-c-objects.c */
 
+    typedef unsigned int qpdf_oh;
+
+    /* Releasing objects -- see comments above. These functions have no
+     * equivalent in the C++ API.
+     */
     QPDF_DLL
-    void qpdf_set_linearization(qpdf_data qpdf, QPDF_BOOL value);
+    void qpdf_oh_release(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    void qpdf_oh_release_all(qpdf_data qpdf);
 
+    /* Clone an object handle */
     QPDF_DLL
-    void qpdf_set_minimum_pdf_version(qpdf_data qpdf, char const* version);
+    qpdf_oh qpdf_oh_new_object(qpdf_data qpdf, qpdf_oh oh);
 
+    /* Get trailer and root objects */
     QPDF_DLL
-    void qpdf_set_minimum_pdf_version_and_extension(
-        qpdf_data qpdf, char const* version, int extension_level);
+    qpdf_oh qpdf_get_trailer(qpdf_data qpdf);
+    QPDF_DLL
+    qpdf_oh qpdf_get_root(qpdf_data qpdf);
 
+    /* Retrieve and replace indirect objects */
     QPDF_DLL
-    void qpdf_force_pdf_version(qpdf_data qpdf, char const* version);
+    qpdf_oh qpdf_get_object_by_id(qpdf_data qpdf, int objid, int generation);
+    QPDF_DLL
+    qpdf_oh qpdf_make_indirect_object(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    void
+    qpdf_replace_object(qpdf_data qpdf, int objid, int generation, qpdf_oh oh);
+
+    /* Wrappers around QPDFObjectHandle methods. Be sure to read
+     * corresponding comments in QPDFObjectHandle.hh to understand
+     * what each function does and what kinds of objects it applies
+     * to. Note that names are to appear in a canonicalized form
+     * starting with a leading slash and with all PDF escaping
+     * resolved. See comments for getName() in QPDFObjectHandle.hh for
+     * details.
+     */
 
     QPDF_DLL
-    void qpdf_force_pdf_version_and_extension(
-        qpdf_data qpdf, char const* version, int extension_level);
+    QPDF_BOOL qpdf_oh_is_initialized(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_bool(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_null(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_integer(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_real(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_name(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_string(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_operator(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_inline_image(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_array(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_dictionary(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_stream(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_indirect(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_scalar(qpdf_data qpdf, qpdf_oh oh);
 
-    /* Do actual write operation. */
     QPDF_DLL
-    QPDF_ERROR_CODE qpdf_write(qpdf_data qpdf);
+    QPDF_BOOL
+    qpdf_oh_is_name_and_equals(qpdf_data qpdf, qpdf_oh oh, char const* name);
+
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_dictionary_of_type(
+        qpdf_data qpdf, qpdf_oh oh, char const* type, char const* subtype);
+
+    QPDF_DLL
+    enum qpdf_object_type_e qpdf_oh_get_type_code(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    char const* qpdf_oh_get_type_name(qpdf_data qpdf, qpdf_oh oh);
+
+    QPDF_DLL
+    qpdf_oh qpdf_oh_wrap_in_array(qpdf_data qpdf, qpdf_oh oh);
+
+    QPDF_DLL
+    qpdf_oh qpdf_oh_parse(qpdf_data qpdf, char const* object_str);
+
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_get_bool_value(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL
+    qpdf_oh_get_value_as_bool(qpdf_data qpdf, qpdf_oh oh, QPDF_BOOL* value);
+
+    QPDF_DLL
+    long long qpdf_oh_get_int_value(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL
+    qpdf_oh_get_value_as_longlong(qpdf_data qpdf, qpdf_oh oh, long long* value);
+    QPDF_DLL
+    int qpdf_oh_get_int_value_as_int(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_get_value_as_int(qpdf_data qpdf, qpdf_oh oh, int* value);
+    QPDF_DLL
+    unsigned long long qpdf_oh_get_uint_value(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_get_value_as_ulonglong(
+        qpdf_data qpdf, qpdf_oh oh, unsigned long long* value);
+    QPDF_DLL
+    unsigned int qpdf_oh_get_uint_value_as_uint(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL
+    qpdf_oh_get_value_as_uint(qpdf_data qpdf, qpdf_oh oh, unsigned int* value);
+
+    QPDF_DLL
+    char const* qpdf_oh_get_real_value(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_get_value_as_real(
+        qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length);
+
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_is_number(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    double qpdf_oh_get_numeric_value(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL
+    qpdf_oh_get_value_as_number(qpdf_data qpdf, qpdf_oh oh, double* value);
+
+    QPDF_DLL
+    char const* qpdf_oh_get_name(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_get_value_as_name(
+        qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length);
+
+    /* Return the length of the last string returned. This enables you
+     * to retrieve the entire string for cases in which a char*
+     * returned by one of the functions below points to a string with
+     * embedded null characters. The function
+     * qpdf_oh_get_binary_string_value takes a length pointer, which
+     * can be useful if you are retrieving the value of a string that
+     * is expected to contain binary data, such as a checksum or
+     * document ID. It is always valid to call
+     * qpdf_get_last_string_length, but it is usually not necessary as
+     * C strings returned by the library are only expected to be able
+     * to contain null characters if their values originate from PDF
+     * strings in the input.
+     */
+    QPDF_DLL
+    size_t qpdf_get_last_string_length(qpdf_data qpdf);
+
+    QPDF_DLL
+    char const* qpdf_oh_get_string_value(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_get_value_as_string(
+        qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length);
+    QPDF_DLL
+    char const* qpdf_oh_get_utf8_value(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_get_value_as_utf8(
+        qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length);
+    QPDF_DLL
+    char const*
+    qpdf_oh_get_binary_string_value(qpdf_data qpdf, qpdf_oh oh, size_t* length);
+    QPDF_DLL
+    char const*
+    qpdf_oh_get_binary_utf8_value(qpdf_data qpdf, qpdf_oh oh, size_t* length);
+
+    QPDF_DLL
+    int qpdf_oh_get_array_n_items(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_get_array_item(qpdf_data qpdf, qpdf_oh oh, int n);
+
+    /* In all dictionary APIs, keys are specified/represented as
+     * canonicalized name strings starting with / and with all PDF
+     * escaping resolved. See comments for getName() in
+     * QPDFObjectHandle for details.
+     */
+
+    /* "C"-specific dictionary key iteration */
+
+    /* Iteration is allowed on only one dictionary at a time. */
+    QPDF_DLL
+    void qpdf_oh_begin_dict_key_iter(qpdf_data qpdf, qpdf_oh dict);
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_dict_more_keys(qpdf_data qpdf);
+    /* The memory returned by qpdf_oh_dict_next_key is owned by
+     * qpdf_data. It is good until the next call to
+     * qpdf_oh_dict_next_key with the same qpdf_data object. Calling
+     * the function again, even with a different dict, invalidates
+     * previous return values.
+     */
+    QPDF_DLL
+    char const* qpdf_oh_dict_next_key(qpdf_data qpdf);
+
+    /* end "C"-specific dictionary key iteration */
+
+    QPDF_DLL
+    QPDF_BOOL qpdf_oh_has_key(qpdf_data qpdf, qpdf_oh oh, char const* key);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_get_key(qpdf_data qpdf, qpdf_oh oh, char const* key);
+    QPDF_DLL
+    qpdf_oh
+    qpdf_oh_get_key_if_dict(qpdf_data qpdf, qpdf_oh oh, char const* key);
+
+    QPDF_DLL
+    QPDF_BOOL
+    qpdf_oh_is_or_has_name(qpdf_data qpdf, qpdf_oh oh, char const* key);
+
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_uninitialized(qpdf_data qpdf);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_null(qpdf_data qpdf);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_bool(qpdf_data qpdf, QPDF_BOOL value);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_integer(qpdf_data qpdf, long long value);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_real_from_string(qpdf_data qpdf, char const* value);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_real_from_double(
+        qpdf_data qpdf, double value, int decimal_places);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_name(qpdf_data qpdf, char const* name);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_string(qpdf_data qpdf, char const* str);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_unicode_string(qpdf_data qpdf, char const* utf8_str);
+    /* Use qpdf_oh_new_binary_string for creating a string that may
+     * contain atrbitary binary data including embedded null characters.
+     */
+    QPDF_DLL
+    qpdf_oh
+    qpdf_oh_new_binary_string(qpdf_data qpdf, char const* str, size_t length);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_binary_unicode_string(
+        qpdf_data qpdf, char const* str, size_t length);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_array(qpdf_data qpdf);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_dictionary(qpdf_data qpdf);
 
+    /* Create a new stream. Use qpdf_oh_get_dict to get (and
+     * subsequently modify) the stream dictionary if needed. See
+     * comments in QPDFObjectHandle.hh for newStream() for additional
+     * notes. You must call qpdf_oh_replace_stream_data to provide
+     * data for the stream. See STREAM FUNCTIONS below.
+     */
+    QPDF_DLL
+    qpdf_oh qpdf_oh_new_stream(qpdf_data qpdf);
+
+    QPDF_DLL
+    void qpdf_oh_make_direct(qpdf_data qpdf, qpdf_oh oh);
+
+    QPDF_DLL
+    void
+    qpdf_oh_set_array_item(qpdf_data qpdf, qpdf_oh oh, int at, qpdf_oh item);
+    QPDF_DLL
+    void qpdf_oh_insert_item(qpdf_data qpdf, qpdf_oh oh, int at, qpdf_oh item);
+    QPDF_DLL
+    void qpdf_oh_append_item(qpdf_data qpdf, qpdf_oh oh, qpdf_oh item);
+    QPDF_DLL
+    void qpdf_oh_erase_item(qpdf_data qpdf, qpdf_oh oh, int at);
+
+    QPDF_DLL
+    void qpdf_oh_replace_key(
+        qpdf_data qpdf, qpdf_oh oh, char const* key, qpdf_oh item);
+    QPDF_DLL
+    void qpdf_oh_remove_key(qpdf_data qpdf, qpdf_oh oh, char const* key);
+    QPDF_DLL
+    void qpdf_oh_replace_or_remove_key(
+        qpdf_data qpdf, qpdf_oh oh, char const* key, qpdf_oh item);
+
+    QPDF_DLL
+    qpdf_oh qpdf_oh_get_dict(qpdf_data qpdf, qpdf_oh oh);
+
+    QPDF_DLL
+    int qpdf_oh_get_object_id(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    int qpdf_oh_get_generation(qpdf_data qpdf, qpdf_oh oh);
+
+    QPDF_DLL
+    char const* qpdf_oh_unparse(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    char const* qpdf_oh_unparse_resolved(qpdf_data qpdf, qpdf_oh oh);
+    QPDF_DLL
+    char const* qpdf_oh_unparse_binary(qpdf_data qpdf, qpdf_oh oh);
+
+    /* Note about foreign objects: the C API does not have enough
+     * information in the value of a qpdf_oh to know what QPDF object
+     * it belongs to. To uniquely specify a qpdf object handle from a
+     * specific qpdf_data instance, you always pair the qpdf_oh with
+     * the correct qpdf_data. Otherwise, you are likely to get
+     * completely the wrong object if you are not lucky enough to get
+     * an error about the object being invalid.
+     */
+
+    /* Copy foreign object: the qpdf_oh returned belongs to `qpdf`,
+     * while `foreign_oh` belongs to `other_qpdf`.
+     */
+    QPDF_DLL
+    qpdf_oh qpdf_oh_copy_foreign_object(
+        qpdf_data qpdf, qpdf_data other_qpdf, qpdf_oh foreign_oh);
+
+    /* STREAM FUNCTIONS */
+
+    /* These functions provide basic access to streams and stream
+     * data. They are not as comprehensive as what is in
+     * QPDFObjectHandle, but they do allow for working with streams
+     * and stream data as caller-managed memory.
+     */
+
+    /* Get stream data as a buffer. The buffer is allocated with
+     * malloc and must be freed by the caller. The size of the buffer
+     * is stored in *len. The arguments are similar to those in
+     * QPDFObjectHandle::pipeStreamData. To get raw stream data, pass
+     * qpdf_dl_none as decode_level. Otherwise, filtering is attempted
+     * and *filtered is set to indicate whether it was successful. If
+     * *filtered is QPDF_FALSE, then raw, unfiltered stream data was
+     * returned. You may pass a null pointer as filtered if you don't
+     * care about the result. If you pass a null pointer as bufp (and
+     * len), the value of filtered will be set to whether the stream
+     * can be filterable.
+     */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_oh_get_stream_data(
+        qpdf_data qpdf,
+        qpdf_oh stream_oh,
+        enum qpdf_stream_decode_level_e decode_level,
+        QPDF_BOOL* filtered,
+        unsigned char** bufp,
+        size_t* len);
+
+    /* This function returns the concatenation of all of a page's
+     * content streams as a single, dynamically allocated buffer. As
+     * with qpdf_oh_get_stream_data, the buffer is allocated with
+     * malloc and must be freed by the caller.
+     */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_oh_get_page_content_data(
+        qpdf_data qpdf, qpdf_oh page_oh, unsigned char** bufp, size_t* len);
+
+    /* The data pointed to by bufp will be copied by the library. It
+     * does not need to remain valid after the call returns.
+     */
+    QPDF_DLL
+    void qpdf_oh_replace_stream_data(
+        qpdf_data qpdf,
+        qpdf_oh stream_oh,
+        unsigned char const* buf,
+        size_t len,
+        qpdf_oh filter,
+        qpdf_oh decode_parms);
+
+    /* PAGE FUNCTIONS */
+
+    /* The first time a page function is called, qpdf will traverse
+     * the /Pages tree. Subsequent calls to retrieve the number of
+     * pages or a specific page run in constant time as they are
+     * accessing the pages cache. If you manipulate the page tree
+     * outside of these functions, you should call
+     * qpdf_update_all_pages_cache. See comments for getAllPages() and
+     * updateAllPagesCache() in QPDF.hh.
+     */
+
+    /* For each function, the corresponding method in QPDF.hh is
+     * referenced. Please see comments in QPDF.hh for details.
+     */
+
+    /* calls getAllPages(). On error, returns -1 and sets error for
+     * qpdf_get_error. */
+    QPDF_DLL
+    int qpdf_get_num_pages(qpdf_data qpdf);
+    /* returns uninitialized object if out of range */
+    QPDF_DLL
+    qpdf_oh qpdf_get_page_n(qpdf_data qpdf, size_t zero_based_index);
+
+    /* updateAllPagesCache() */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_update_all_pages_cache(qpdf_data qpdf);
+
+    /* findPage() -- return zero-based index. If page is not found,
+     * return -1 and save the error to be retrieved with
+     * qpdf_get_error.
+     */
+    QPDF_DLL
+    int qpdf_find_page_by_id(qpdf_data qpdf, int objid, int generation);
+    QPDF_DLL
+    int qpdf_find_page_by_oh(qpdf_data qpdf, qpdf_oh oh);
+
+    /* pushInheritedAttributesToPage() */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_push_inherited_attributes_to_page(qpdf_data qpdf);
+
+    /* Functions that add pages may add pages from other files. If
+     * adding a page from the same file, newpage_qpdf and qpdf are the
+     * same.
+     /*/
+
+    /* addPage() */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_add_page(
+        qpdf_data qpdf,
+        qpdf_data newpage_qpdf,
+        qpdf_oh newpage,
+        QPDF_BOOL first);
+    /* addPageAt() */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_add_page_at(
+        qpdf_data qpdf,
+        qpdf_data newpage_qpdf,
+        qpdf_oh newpage,
+        QPDF_BOOL before,
+        qpdf_oh refpage);
+    /* removePage() */
+    QPDF_DLL
+    QPDF_ERROR_CODE qpdf_remove_page(qpdf_data qpdf, qpdf_oh page);
 #ifdef __cplusplus
 }
 #endif
 
-
 #endif /* QPDF_C_H */

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/qpdfjob-c.h Added

@@ -0,0 +1,155 @@
+/* Copyright (c) 2005-2022 Jay Berkenbilt
+ *
+ * This file is part of qpdf.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Versions of qpdf prior to version 7 were released under the terms
+ * of version 2.0 of the Artistic License. At your option, you may
+ * continue to consider qpdf to be licensed under those terms. Please
+ * see the manual for additional information.
+ */
+
+#ifndef QPDFJOB_C_H
+#define QPDFJOB_C_H
+
+/*
+ * This file defines a basic "C" API for QPDFJob. See also qpdf-c.h,
+ * which defines an API that exposes more of the library's API. This
+ * API is primarily intended to make it simpler for programs in
+ * languages other than C++ to incorporate functionality that could be
+ * run directly from the command-line.
+ */
+
+#include <qpdf/DLL.h>
+#include <qpdf/qpdflogger-c.h>
+#include <string.h>
+#ifndef QPDF_NO_WCHAR_T
+# include <wchar.h>
+#endif
+
+/*
+ * This file provides a minimal wrapper around QPDFJob. See
+ * examples/qpdfjob-c.c for an example of its use.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    /* SHORT INTERFACE -- These functions are single calls that take
+     * care of the whole life cycle of QPDFJob. They can be used for
+     * one-shot operations where no additional configuration is
+     * needed. See FULL INTERFACE below. */
+
+    /* This function does the equivalent of running the qpdf
+     * command-line with the given arguments and returns the exit code
+     * that qpdf would use. argv must be a null-terminated array of
+     * null-terminated UTF8-encoded strings. If calling this from
+     * wmain on Windows, use qpdfjob_run_from_wide_argv instead. Exit
+     * code values are defined in Constants.h in the qpdf_exit_code_e
+     * type.
+     */
+    QPDF_DLL
+    int qpdfjob_run_from_argv(char const* const argv);
+
+#ifndef QPDF_NO_WCHAR_T
+    /* This function is the same as qpdfjob_run_from_argv except argv
+     * is encoded with wide characters. This would be suitable for
+     * calling from a Windows wmain function.
+     */
+    QPDF_DLL
+    int qpdfjob_run_from_wide_argv(wchar_t const* const argv);
+#endif /* QPDF_NO_WCHAR_T */
+
+    /* This function runs QPDFJob from a job JSON file. See the "QPDF
+     * Job" section of the manual for details. The JSON string must be
+     * UTF8-encoded. It returns the error code that qpdf would return
+     * with the equivalent command-line invocation. Exit code values
+     * are defined in Constants.h in the qpdf_exit_code_e type.
+     */
+    QPDF_DLL
+    int qpdfjob_run_from_json(char const* json);
+
+    /* FULL INTERFACE -- new in qpdf11. Similar to the qpdf-c.h API,
+     * you must call qpdfjob_init to get a qpdfjob_handle and, when
+     * done, call qpdfjob_cleanup to free resources. Remaining methods
+     * take qpdfjob_handle as an argument. This interface requires
+     * more calls but also offers greater flexibility.
+     */
+    typedef struct _qpdfjob_handle* qpdfjob_handle;
+    QPDF_DLL
+    qpdfjob_handle qpdfjob_init();
+
+    QPDF_DLL
+    void qpdfjob_cleanup(qpdfjob_handle* j);
+
+    /* Set or get the current logger. You need to call
+     * qpdflogger_cleanup on the logger handles when you are done with
+     * the handles. The underlying logger is cleaned up automatically
+     * and persists if needed after the logger handle is destroyed.
+     * See comments in qpdflogger-c.h for details.
+     */
+
+    QPDF_DLL
+    void qpdfjob_set_logger(qpdfjob_handle j, qpdflogger_handle logger);
+    QPDF_DLL
+    qpdflogger_handle qpdfjob_get_logger(qpdfjob_handle j);
+
+    /* This function wraps QPDFJob::initializeFromArgv. The return
+     * value is the same as qpdfjob_run. If this returns an error, it
+     * is invalid to call any other functions this job handle.
+     */
+    QPDF_DLL
+    int
+    qpdfjob_initialize_from_argv(qpdfjob_handle j, char const* const argv);
+
+#ifndef QPDF_NO_WCHAR_T
+    /* This function is the same as qpdfjob_initialize_from_argv
+     * except argv is encoded with wide characters. This would be
+     * suitable for calling from a Windows wmain function.
+     */
+    QPDF_DLL
+    int qpdfjob_initialize_from_wide_argv(
+        qpdfjob_handle j, wchar_t const* const argv);
+#endif /* QPDF_NO_WCHAR_T */
+
+    /* This function wraps QPDFJob::initializeFromJson. The return
+     * value is the same as qpdfjob_run. If this returns an error, it
+     * is invalid to call any other functions this job handle.
+     */
+    QPDF_DLL
+    int qpdfjob_initialize_from_json(qpdfjob_handle j, char const* json);
+
+    /* This function wraps QPDFJob::run. It returns the error code
+     * that qpdf would return with the equivalent command-line
+     * invocation. Exit code values are defined in Constants.h in the
+     * qpdf_exit_code_e type.
+     */
+    QPDF_DLL
+    int qpdfjob_run(qpdfjob_handle j);
+
+    /* Allow specification of a custom progress reporter. The progress
+     * reporter is only used if progress is otherwise requested (with
+     * the --progress option or "progress": "" in the JSON).
+     */
+    QPDF_DLL
+    void qpdfjob_register_progress_reporter(
+        qpdfjob_handle j,
+        void (*report_progress)(int percent, void* data),
+        void* data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* QPDFJOB_C_H */

_service:tar_scm:qpdf-11.1.0.tar.gz/include/qpdf/qpdflogger-c.h Added

@@ -0,0 +1,118 @@
+/* Copyright (c) 2005-2022 Jay Berkenbilt
+ *
+ * This file is part of qpdf.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Versions of qpdf prior to version 7 were released under the terms
+ * of version 2.0 of the Artistic License. At your option, you may
+ * continue to consider qpdf to be licensed under those terms. Please
+ * see the manual for additional information.
+ */
+
+#ifndef QPDFLOGGER_H
+#define QPDFLOGGER_H
+
+/*
+ * This file provides a C API for QPDFLogger. See QPDFLogger.hh for
+ * information about the logger and
+ * examples/qpdfjob-c-save-attachment.c for an example.
+ */
+
+#include <qpdf/DLL.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    /* To operate on a logger, you need a handle to it. call
+     * qpdflogger_default_logger to get a handle for the default
+     * logger. There are functions in qpdf-c.h and qpdfjob-c.h that
+     * also take or return logger handles. When you're done with the
+     * logger handler, call qpdflogger_cleanup. This cleans up the
+     * handle but leaves the underlying log object intact. (It uses a
+     * shared pointer and will be cleaned up automatically when it is
+     * no longer in use.) That means you can create a logger with
+     * qpdflogger_create(), pass the logger handle to a function in
+     * qpdf-c.h or qpdfjob-c.h, and then clean it up, subject to
+     * constraints imposed by the other function.
+     */
+
+    typedef struct _qpdflogger_handle* qpdflogger_handle;
+    QPDF_DLL
+    qpdflogger_handle qpdflogger_default_logger();
+
+    /* Calling cleanup on the handle returned by qpdflogger_create
+     * destroys the handle but not the underlying logger. See comments
+     * above.
+     */
+    QPDF_DLL
+    qpdflogger_handle qpdflogger_create();
+
+    QPDF_DLL
+    void qpdflogger_cleanup(qpdflogger_handle* l);
+
+    enum qpdf_log_dest_e {
+        qpdf_log_dest_default = 0,
+        qpdf_log_dest_stdout = 1,
+        qpdf_log_dest_stderr = 2,
+        qpdf_log_dest_discard = 3,
+        qpdf_log_dest_custom = 4,
+    };
+
+    /* Function should return 0 on success. */
+    typedef int (*qpdf_log_fn_t)(char const* data, size_t len, void* udata);
+
+    QPDF_DLL
+    void qpdflogger_set_info(
+        qpdflogger_handle l,
+        enum qpdf_log_dest_e dest,
+        qpdf_log_fn_t fn,
+        void* udata);
+    QPDF_DLL
+    void qpdflogger_set_warn(
+        qpdflogger_handle l,
+        enum qpdf_log_dest_e dest,
+        qpdf_log_fn_t fn,
+        void* udata);
+    QPDF_DLL
+    void qpdflogger_set_error(
+        qpdflogger_handle l,
+        enum qpdf_log_dest_e dest,
+        qpdf_log_fn_t fn,
+        void* udata);
+
+    /* A non-zero value for only_if_not_set means that the save
+     * pipeline will only be changed if it is not already set.
+     */
+    QPDF_DLL
+    void qpdflogger_set_save(
+        qpdflogger_handle l,
+        enum qpdf_log_dest_e dest,
+        qpdf_log_fn_t fn,
+        void* udata,
+        int only_if_not_set);
+    QPDF_DLL
+    void qpdflogger_save_to_standard_output(
+        qpdflogger_handle l, int only_if_not_set);
+
+    /* For testing */
+    QPDF_DLL
+    int qpdflogger_equal(qpdflogger_handle l1, qpdflogger_handle l2);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // QPDFLOGGER_H

_service:tar_scm:qpdf-11.1.0.tar.gz/job.sums Added

@@ -0,0 +1,17 @@
+# Generated by generate_auto_job
+generate_auto_job 9abe2ec994fb98526f5e3c0c199ce2e61a868463cb522a5bc6e9730b65534187
+include/qpdf/auto_job_c_att.hh 4c2b171ea00531db54720bf49a43f8b34481586ae7fb6cbf225099ee42bc5bb4
+include/qpdf/auto_job_c_copy_att.hh 50609012bff14fd82f0649185940d617d05d530cdc522185c7f3920a561ccb42
+include/qpdf/auto_job_c_enc.hh 28446f3c32153a52afa239ea40503e6cc8ac2c026813526a349e0cd4ae17ddd5
+include/qpdf/auto_job_c_main.hh a591693e831d08155da78cbbb13bac46cc3f5dd04de1d10b5810cbd3491bf8a0
+include/qpdf/auto_job_c_pages.hh b3cc0f21029f6d89efa043dcdbfa183cb59325b6506001c18911614fe8e568ec
+include/qpdf/auto_job_c_uo.hh ae21b69a1efa9333050f4833d465f6daff87e5b38e5106e49bbef5d4132e4ed1
+job.yml 70a670b843284707c54108382cc17ab5c633aacc9a264bc0886a5410bea040e3
+libqpdf/qpdf/auto_job_decl.hh 7844eba58edffb9494b19e8eca6fd59a24d6e152ca606c3b07da569f753df2da
+libqpdf/qpdf/auto_job_help.hh 68bcc56ae2b1a63d47af60f817c39f097756b6d36c733c8efdfbb808bce750c9
+libqpdf/qpdf/auto_job_init.hh da9b10925f3527acdc7cd0217abd2684a721a562f16f2fc0da62339aef3c3629
+libqpdf/qpdf/auto_job_json_decl.hh 06caa46eaf71db8a50c046f91866baa8087745a9474319fb7c86d92634cc8297
+libqpdf/qpdf/auto_job_json_init.hh 8eec1d4acdf3e40cea46155cbf23a60d226ae6e9493ab18265b95dca790ed66d
+libqpdf/qpdf/auto_job_schema.hh a960022725ac4a59db531a3e2bc3964e40113b47348864e9229eb0f3fecfbdc0
+manual/_ext/qpdf.py 6add6321666031d55ed4aedf7c00e5662bba856dfcd66ccb526563bffefbb580
+manual/cli.rst 861e3c18c5f17886b715f36ed3ad65fb7b1ccfbe17649dbebb8bd0e228f92aa3

_service:tar_scm:qpdf-11.1.0.tar.gz/job.yml Added

@@ -0,0 +1,435 @@
+# See "HOW TO ADD A COMMAND-LINE ARGUMENT" in README-maintainer.
+
+# REMEMBER: if you add an optional_choices or optional_parameter, you
+# have to explicitly remember to implement the overloaded config
+# method that takes no arguments. Since no generated code will call it
+# automatically, there is no automated reminder to do this. If you
+# forget, it will be a link error if someone tries to call it.
+
+choices:
+  yn:
+    - "y"
+    - "n"
+  password_mode:
+    - bytes
+    - hex-bytes
+    - unicode
+    - auto
+  stream_data:
+    - compress
+    - preserve
+    - uncompress
+  decode_level:
+    - none
+    - generalized
+    - specialized
+    - all
+  object_streams:
+    - disable
+    - preserve
+    - generate
+  remove_unref:
+    - auto
+    - "yes"
+    - "no"
+  flatten:
+    - all
+    - print
+    - screen
+  json_key:
+    # The list of selectable top-level keys id duplicated in the
+    # following places: job.yml, QPDFJob::json_schema, and
+    # QPDFJob::doJSON.
+    - acroform
+    - attachments
+    - encrypt
+    - objectinfo   # only v1
+    - objects      # only v1
+    - outlines
+    - pagelabels
+    - pages
+    - qpdf         # only v2
+  json_output:
+    - 2
+    - latest
+  json_stream_data:
+    - none
+    - inline
+    - file
+  json_version:
+    - 1
+    - 2
+    - latest
+  print128:
+    - full
+    - low
+    - none
+  modify128:
+    - all
+    - annotate
+    - form
+    - assembly
+    - none
+options:
+  - table: help
+    bare:
+      - version
+      - copyright
+      - show-crypto
+      - job-json-help
+    optional_choices:
+      json-help: json_version
+  - table: main
+    config: c_main
+    manual:
+      - add-attachment
+      - copy-attachments-from
+      - encrypt
+      - overlay
+      - pages
+      - underlay
+      - empty
+      - replace-input
+    positional: true
+    bare:
+      - add-attachment
+      - allow-weak-crypto
+      - check
+      - check-linearization
+      - coalesce-contents
+      - copy-attachments-from
+      - decrypt
+      - deterministic-id
+      - empty
+      - encrypt
+      - externalize-inline-images
+      - filtered-stream-data
+      - flatten-rotation
+      - generate-appearances
+      - ignore-xref-streams
+      - is-encrypted
+      - json-input
+      - keep-inline-images
+      - linearize
+      - list-attachments
+      - newline-before-endstream
+      - no-original-object-ids
+      - no-warn
+      - optimize-images
+      - overlay
+      - pages
+      - password-is-hex-key
+      - preserve-unreferenced
+      - preserve-unreferenced-resources
+      - progress
+      - qdf
+      - raw-stream-data
+      - recompress-flate
+      - remove-page-labels
+      - replace-input
+      - report-memory-usage
+      - requires-password
+      - show-encryption
+      - show-encryption-key
+      - show-linearization
+      - show-npages
+      - show-pages
+      - show-xref
+      - static-aes-iv
+      - static-id
+      - suppress-password-recovery
+      - suppress-recovery
+      - test-json-schema
+      - underlay
+      - verbose
+      - warning-exit-0
+      - with-images
+    optional_parameter:
+      - collate
+      - split-pages
+    required_parameter:
+      compression-level: level
+      copy-encryption: file
+      encryption-file-password: password
+      force-version: version
+      ii-min-bytes: minimum
+      job-json-file: file
+      json-object: trailer
+      keep-files-open-threshold: count
+      linearize-pass1: filename
+      min-version: version
+      oi-min-area: minimum
+      oi-min-height: minimum
+      oi-min-width: minimum
+      password: password
+      password-file: password
+      remove-attachment: attachment
+      rotate: "+|-angle"
+      show-attachment: attachment
+      show-object: trailer
+      json-stream-prefix: stream-file-prefix
+      update-from-json: qpdf-json file
+    required_choices:
+      compress-streams: yn
+      decode-level: decode_level
+      flatten-annotations: flatten
+      json-key: json_key
+      json-stream-data: json_stream_data
+      keep-files-open: yn
+      normalize-content: yn
+      object-streams: object_streams
+      password-mode: password_mode
+      remove-unreferenced-resources: remove_unref
+      stream-data: stream_data
+    optional_choices:
+      json: json_version
+      json-output: json_output
+  - table: pages
+    config: c_pages
+    prefix: Pages
+    positional: true
+    manual:
+      - password
+    required_parameter:
+      password: password
+  - table: encryption
+    prefix: Enc
+    positional: true
+  - table: 40-bit encryption
+    config: c_enc
+    config_prefix: Enc
+    prefix: Enc40
+    required_choices:
+      extract: yn
+      annotate: yn
+      print: yn
+      modify: yn
+  - table: 128-bit encryption
+    config: c_enc
+    config_prefix: Enc
+    prefix: Enc128
+    bare:
+      - cleartext-metadata
+      - force-V4
+    required_choices:
+      accessibility: yn
+      extract: yn
+      print: print128
+      assemble: yn
+      annotate: yn
+      form: yn
+      modify-other: yn
+      modify: modify128
+      use-aes: yn
+  - table: 256-bit encryption
+    config: c_enc
+    config_prefix: Enc
+    prefix: Enc256
+    bare:
+      - cleartext-metadata
+      - force-R5
+      - allow-insecure
+    required_choices:
+      accessibility: yn
+      extract: yn
+      print: print128
+      assemble: yn
+      annotate: yn
+      form: yn
+      modify-other: yn
+      modify: modify128
+  - table: underlay/overlay
+    config: c_uo
+    prefix: UO
+    positional: true
+    required_parameter:
+      to: page-range
+      from: page-range
+      repeat: page-range
+      password: password
+  - table: attachment
+    config: c_att
+    prefix: Att
+    positional: true
+    bare:
+      - replace
+    required_parameter:
+      key: attachment-key
+      filename: filename
+      creationdate: creation-date
+      moddate: modification-date
+      mimetype: mime/type
+      description: description
+  - table: copy attachment
+    config: c_copy_att
+    prefix: CopyAtt
+    positional: true
+    required_parameter:
+      prefix: prefix
+      password: password
+json:
+  # The structure of this section defines what the json input to
+  # QPDFJob looks like. If a key starts with underscore, it does not
+  # map to a command-line argument. If the value is a string, that is
+  # the help information. Otherwise, if the value is null, it has to
+  # match a command-line option, and its properties and help come from
+  # other information known by generate_auto_job. This information is
+  # used to construct a "schema" (as in JSON.hh) for the json input to
+  # QPDFJob. The leading underscore is removed. *NOTE*: all keys are
+  # converted to camelCase for the schema and must appear that way
+  # in the user-supplied json. This makes it more convenient to
+  # populate JSON objects in some languages.
+
+  # input
+  _inputFile: "input filename"
+  main.password:
+  password-file:
+  empty:
+  json-input:
+  # output
+  _outputFile: "output filename"
+  replace-input:
+  # output options
+  qdf:
+  preserve-unreferenced:
+  newline-before-endstream:
+  normalize-content:
+  stream-data:
+  compress-streams:
+  recompress-flate:
+  decode-level:
+  decrypt:
+  deterministic-id:
+  static-aes-iv:
+  static-id:
+  no-original-object-ids:
+  copy-encryption:
+  encryption-file-password:
+  linearize:
+  linearize-pass1:
+  object-streams:
+  min-version:
+  force-version:
+  progress:
+  split-pages:
+  json-output:
+  encrypt:
+    _user-password: "user password"
+    _owner-password: "owner password"
+    _40bit:
+      Enc40.annotate:
+      Enc40.extract:
+      Enc40.modify:
+      Enc40.print:
+    _128bit:
+      Enc128.accessibility:
+      Enc128.annotate:
+      Enc128.assemble:
+      Enc128.cleartext-metadata:
+      Enc128.extract:
+      Enc128.form:
+      Enc128.modify-other:
+      Enc128.modify:
+      Enc128.print:
+      force-V4:
+      use-aes:
+    _256bit:
+      Enc256.accessibility:
+      Enc256.annotate:
+      Enc256.assemble:
+      Enc256.cleartext-metadata:
+      Enc256.extract:
+      Enc256.form:
+      Enc256.modify-other:
+      Enc256.modify:
+      Enc256.print:
+      allow-insecure:
+      force-R5:
+  # inspect
+  check:
+  check-linearization:
+  filtered-stream-data:
+  raw-stream-data:
+  show-encryption:
+  show-encryption-key:
+  show-linearization:
+  show-npages:
+  show-object:
+  show-pages:
+  show-xref:
+  with-images:
+  list-attachments:
+  show-attachment:
+  json:
+  json-key:
+    - null
+  json-object:
+    - null
+  json-stream-data:
+  json-stream-prefix:
+  # other options
+  update-from-json:
+  allow-weak-crypto:
+  keep-files-open:
+  keep-files-open-threshold:
+  no-warn:
+  verbose:
+  test-json-schema:
+  ignore-xref-streams:
+  password-is-hex-key:
+  password-mode:
+  suppress-password-recovery:
+  suppress-recovery:
+  coalesce-contents:
+  compression-level:
+  externalize-inline-images:
+  ii-min-bytes:
+  remove-unreferenced-resources:
+  add-attachment:
+    - _file: "file to attach"
+      creationdate:
+      description:
+      filename:
+      key:
+      mimetype:
+      moddate:
+      replace:
+  remove-attachment:
+    - null
+  copy-attachments-from:
+    - _file: "file to copy attachments from"
+      CopyAtt.password:
+      prefix:
+  collate:
+  flatten-annotations:
+  flatten-rotation:
+  generate-appearances:
+  keep-inline-images:
+  oi-min-area:
+  oi-min-height:
+  oi-min-width:
+  optimize-images:
+  pages:
+    - _file: "source for for pages"
+      Pages.password:
+      _range: "page range"
+  remove-page-labels:
+  report-memory-usage:
+  rotate:
+  overlay:
+    _file: "source file for overlay"
+    UO.password:
+    from:
+    repeat:
+    to:
+  underlay:
+    _file: "source file for underlay"
+    UO.password:
+    from:
+    repeat:
+    to:
+  warning-exit-0:
+  job-json-file:
+  preserve-unreferenced-resources:
+  requires-password:
+  is-encrypted:

_service:tar_scm:qpdf-11.1.0.tar.gz/lgtm.yml Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf.map.in -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf.map.in Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf.pc.in -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf.pc.in Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/AES_PDF_native.cc Added

@@ -0,0 +1,61 @@
+#include <qpdf/AES_PDF_native.hh>
+
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/rijndael.h>
+#include <cstring>
+#include <stdexcept>
+#include <stdlib.h>
+#include <string>
+
+AES_PDF_native::AES_PDF_native(
+    bool encrypt,
+    unsigned char const* key,
+    size_t key_bytes,
+    bool cbc_mode,
+    unsigned char* cbc_block) :
+    encrypt(encrypt),
+    cbc_mode(cbc_mode),
+    cbc_block(cbc_block),
+    nrounds(0)
+{
+    size_t keybits = 8 * key_bytes;
+    this->key = std::make_unique<unsigned char>(key_bytes);
+    this->rk = std::make_unique<uint32_t>(RKLENGTH(keybits));
+    size_t rk_bytes = RKLENGTH(keybits) * sizeof(uint32_t);
+    std::memcpy(this->key.get(), key, key_bytes);
+    std::memset(this->rk.get(), 0, rk_bytes);
+    if (encrypt) {
+        this->nrounds =
+            rijndaelSetupEncrypt(this->rk.get(), this->key.get(), keybits);
+    } else {
+        this->nrounds =
+            rijndaelSetupDecrypt(this->rk.get(), this->key.get(), keybits);
+    }
+}
+
+void
+AES_PDF_native::update(unsigned char* in_data, unsigned char* out_data)
+{
+    if (this->encrypt) {
+        if (this->cbc_mode) {
+            for (size_t i = 0; i < QPDFCryptoImpl::rijndael_buf_size; ++i) {
+                in_datai ^= this->cbc_blocki;
+            }
+        }
+        rijndaelEncrypt(this->rk.get(), this->nrounds, in_data, out_data);
+        if (this->cbc_mode) {
+            memcpy(
+                this->cbc_block, out_data, QPDFCryptoImpl::rijndael_buf_size);
+        }
+    } else {
+        rijndaelDecrypt(this->rk.get(), this->nrounds, in_data, out_data);
+        if (this->cbc_mode) {
+            for (size_t i = 0; i < QPDFCryptoImpl::rijndael_buf_size; ++i) {
+                out_datai ^= this->cbc_blocki;
+            }
+            memcpy(this->cbc_block, in_data, QPDFCryptoImpl::rijndael_buf_size);
+        }
+    }
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/BitStream.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/BitStream.cc Changed

@@ -1,10 +1,12 @@
 #include <qpdf/BitStream.hh>
 
-// See comments in bits.cc
+#include <qpdf/QIntC.hh>
+
+// See comments in bits_functions.hh
 #define BITS_READ 1
-#include "bits.icc"
+#include <qpdf/bits_functions.hh>
 
-BitStream::BitStream(unsigned char const* p, int nbytes) :
+BitStream::BitStream(unsigned char const* p, size_t nbytes) :
     start(p),
     nbytes(nbytes)
 {
@@ -16,50 +18,52 @@
 {
     p = start;
     bit_offset = 7;
-    if (static_cast<unsigned int>(nbytes) > static_cast<unsigned int>(-1) / 8)
-    {
-	throw std::runtime_error("array too large for bitstream");
+    if (QIntC::to_uint(nbytes) > static_cast<unsigned int>(-1) / 8) {
+        throw std::runtime_error("array too large for bitstream");
     }
     bits_available = 8 * nbytes;
 }
 
 unsigned long long
-BitStream::getBits(int nbits)
+BitStream::getBits(size_t nbits)
 {
-    return read_bits(this->p, this->bit_offset,
-		     this->bits_available, nbits);
+    return read_bits(this->p, this->bit_offset, this->bits_available, nbits);
 }
 
 long long
-BitStream::getBitsSigned(int nbits)
+BitStream::getBitsSigned(size_t nbits)
 {
-    unsigned long long bits = read_bits(this->p, this->bit_offset,
-                                        this->bits_available, nbits);
+    unsigned long long bits =
+        read_bits(this->p, this->bit_offset, this->bits_available, nbits);
     long long result = 0;
-    if (static_cast<long long>(bits) > 1 << (nbits - 1))
-    {
-        result = static_cast<long long>(bits - (1 << nbits));
-    }
-    else
-    {
+    if (static_cast<long long>(bits) > 1LL << (nbits - 1)) {
+        result = static_cast<long long>(bits - (1ULL << nbits));
+    } else {
         result = static_cast<long long>(bits);
     }
     return result;
 }
 
+int
+BitStream::getBitsInt(size_t nbits)
+{
+    return static_cast<int>(
+        // line-break
+        QIntC::to_uint(
+            read_bits(this->p, this->bit_offset, this->bits_available, nbits)));
+}
+
 void
 BitStream::skipToNextByte()
 {
-    if (bit_offset != 7)
-    {
-	unsigned int bits_to_skip = bit_offset + 1;
-	if (bits_available < bits_to_skip)
-	{
-	    throw std::logic_error(
-		"INTERNAL ERROR: overflow skipping to next byte in bitstream");
-	}
-	bit_offset = 7;
-	++p;
-	bits_available -= bits_to_skip;
+    if (bit_offset != 7) {
+        size_t bits_to_skip = bit_offset + 1;
+        if (bits_available < bits_to_skip) {
+            throw std::logic_error(
+                "INTERNAL ERROR: overflow skipping to next byte in bitstream");
+        }
+        bit_offset = 7;
+        ++p;
+        bits_available -= bits_to_skip;
     }
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/BitWriter.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/BitWriter.cc Changed

@@ -1,8 +1,8 @@
 #include <qpdf/BitWriter.hh>
 
-// See comments in bits.cc
+// See comments in bits_functions.hh
 #define BITS_WRITE 1
-#include "bits.icc"
+#include <qpdf/bits_functions.hh>
 
 BitWriter::BitWriter(Pipeline* pl) :
     pl(pl),
@@ -12,32 +12,34 @@
 }
 
 void
-BitWriter::writeBits(unsigned long long val, unsigned int bits)
+BitWriter::writeBits(unsigned long long val, size_t bits)
 {
     write_bits(this->ch, this->bit_offset, val, bits, this->pl);
 }
 
 void
-BitWriter::writeBitsSigned(long long val, unsigned int bits)
+BitWriter::writeBitsSigned(long long val, size_t bits)
 {
     unsigned long long uval = 0;
-    if (val < 0)
-    {
-        uval = static_cast<unsigned long long>((1 << bits) + val);
-    }
-    else
-    {
+    if (val < 0) {
+        uval = (1ULL << bits) + static_cast<unsigned long long>(val);
+    } else {
         uval = static_cast<unsigned long long>(val);
     }
     writeBits(uval, bits);
 }
 
 void
+BitWriter::writeBitsInt(int val, size_t bits)
+{
+    writeBits(static_cast<unsigned long long>(val), bits);
+}
+
+void
 BitWriter::flush()
 {
-    if (bit_offset < 7)
-    {
-	int bits_to_write = bit_offset + 1;
-	write_bits(this->ch, this->bit_offset, 0, bits_to_write, this->pl);
+    if (bit_offset < 7) {
+        size_t bits_to_write = bit_offset + 1;
+        write_bits(this->ch, this->bit_offset, 0, bits_to_write, this->pl);
     }
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Buffer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Buffer.cc Changed

@@ -1,25 +1,43 @@
 #include <qpdf/Buffer.hh>
 
-#include <string.h>
+#include <cstring>
 
-Buffer::Buffer()
+Buffer::Members::Members(size_t size, unsigned char* buf, bool own_memory) :
+    own_memory(own_memory),
+    size(size),
+    buf(nullptr)
 {
-    init(0, 0, true);
+    if (own_memory) {
+        this->buf = (size ? new unsigned charsize : nullptr);
+    } else {
+        this->buf = buf;
+    }
+}
+
+Buffer::Members::~Members()
+{
+    if (this->own_memory) {
+        delete this->buf;
+    }
 }
 
-Buffer::Buffer(size_t size)
+Buffer::Buffer() :
+    m(new Members(0, nullptr, true))
 {
-    init(size, 0, true);
 }
 
-Buffer::Buffer(unsigned char* buf, size_t size)
+Buffer::Buffer(size_t size) :
+    m(new Members(size, nullptr, true))
+{
+}
+
+Buffer::Buffer(unsigned char* buf, size_t size) :
+    m(new Members(size, buf, false))
 {
-    init(size, buf, false);
 }
 
 Buffer::Buffer(Buffer const& rhs)
 {
-    init(0, 0, true);
     copy(rhs);
 }
 
@@ -30,65 +48,44 @@
     return *this;
 }
 
-Buffer::~Buffer()
+Buffer::Buffer(Buffer&& rhs) noexcept :
+    m(std::move(rhs.m))
 {
-    destroy();
 }
 
-void
-Buffer::init(size_t size, unsigned char* buf, bool own_memory)
+Buffer&
+Buffer::operator=(Buffer&& rhs) noexcept
 {
-    this->own_memory = own_memory;
-    this->size = size;
-    if (own_memory)
-    {
-	this->buf = (size ? new unsigned charsize : 0);
-    }
-    else
-    {
-	this->buf = buf;
-    }
+    std::swap(this->m, rhs.m);
+    return *this;
 }
 
 void
 Buffer::copy(Buffer const& rhs)
 {
-    if (this != &rhs)
-    {
-	this->destroy();
-	this->init(rhs.size, 0, true);
-	if (this->size)
-	{
-	    memcpy(this->buf, rhs.buf, this->size);
-	}
-    }
-}
-
-void
-Buffer::destroy()
-{
-    if (this->own_memory)
-    {
-	delete  this->buf;
+    if (this != &rhs) {
+        this->m =
+            std::unique_ptr<Members>(new Members(rhs.m->size, nullptr, true));
+        if (this->m->size) {
+            memcpy(this->m->buf, rhs.m->buf, this->m->size);
+        }
     }
-    this->size = 0;
-    this->buf = 0;
 }
 
 size_t
 Buffer::getSize() const
 {
-    return this->size;
+    return this->m->size;
 }
 
 unsigned char const*
 Buffer::getBuffer() const
 {
-    return this->buf;
+    return this->m->buf;
 }
 
 unsigned char*
 Buffer::getBuffer()
 {
-    return this->buf;
+    return this->m->buf;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/BufferInputSource.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/BufferInputSource.cc Changed

@@ -1,74 +1,70 @@
 #include <qpdf/BufferInputSource.hh>
-#include <string.h>
-#include <stdexcept>
+
+#include <qpdf/QIntC.hh>
 #include <algorithm>
+#include <limits>
+#include <sstream>
+#include <stdexcept>
+#include <string.h>
 
-BufferInputSource::BufferInputSource(std::string const& description,
-                                     Buffer* buf, bool own_memory) :
+BufferInputSource::BufferInputSource(
+    std::string const& description, Buffer* buf, bool own_memory) :
     own_memory(own_memory),
     description(description),
     buf(buf),
-    cur_offset(0)
+    cur_offset(0),
+    max_offset(buf ? QIntC::to_offset(buf->getSize()) : 0)
 {
 }
 
-BufferInputSource::BufferInputSource(std::string const& description,
-                                     std::string const& contents) :
+BufferInputSource::BufferInputSource(
+    std::string const& description, std::string const& contents) :
     own_memory(true),
     description(description),
-    buf(0),
-    cur_offset(0)
+    buf(new Buffer(contents.length())),
+    cur_offset(0),
+    max_offset(QIntC::to_offset(buf->getSize()))
 {
-    this->buf = new Buffer(contents.length());
-    unsigned char* bp = buf->getBuffer();
-    memcpy(bp, contents.c_str(), contents.length());
+    memcpy(buf->getBuffer(), contents.c_str(), contents.length());
 }
 
 BufferInputSource::~BufferInputSource()
 {
-    if (own_memory)
-    {
-	delete this->buf;
+    if (this->own_memory) {
+        delete this->buf;
     }
 }
 
 qpdf_offset_t
 BufferInputSource::findAndSkipNextEOL()
 {
-    if (this->cur_offset < 0)
-    {
+    if (this->cur_offset < 0) {
         throw std::logic_error("INTERNAL ERROR: BufferInputSource offset < 0");
     }
-    qpdf_offset_t end_pos = this->buf->getSize();
-    if (this->cur_offset >= end_pos)
-    {
-	this->last_offset = end_pos;
+    qpdf_offset_t end_pos = this->max_offset;
+    if (this->cur_offset >= end_pos) {
+        this->last_offset = end_pos;
         this->cur_offset = end_pos;
-	return end_pos;
+        return end_pos;
     }
 
     qpdf_offset_t result = 0;
-    size_t len = end_pos - this->cur_offset;
     unsigned char const* buffer = this->buf->getBuffer();
+    unsigned char const* end = buffer + end_pos;
+    unsigned char const* p = buffer + this->cur_offset;
 
-    void* start = const_cast<unsigned char*>(buffer) + this->cur_offset;
-    unsigned char* p1 = static_cast<unsigned char*>(memchr(start, '\r', len));
-    unsigned char* p2 = static_cast<unsigned char*>(memchr(start, '\n', len));
-    unsigned char* p = (p1 && p2) ? std::min(p1, p2) : p1 ? p1 : p2;
-    if (p)
-    {
+    while ((p < end) && !((*p == '\r') || (*p == '\n'))) {
+        ++p;
+    }
+    if (p < end) {
         result = p - buffer;
         this->cur_offset = result + 1;
         ++p;
-        while ((this->cur_offset < end_pos) &&
-               ((*p == '\r') || (*p == '\n')))
-        {
+        while ((this->cur_offset < end_pos) && ((*p == '\r') || (*p == '\n'))) {
             ++p;
             ++this->cur_offset;
         }
-    }
-    else
-    {
+    } else {
         this->cur_offset = end_pos;
         result = end_pos;
     }
@@ -90,28 +86,28 @@
 void
 BufferInputSource::seek(qpdf_offset_t offset, int whence)
 {
-    switch (whence)
-    {
-      case SEEK_SET:
-	this->cur_offset = offset;
-	break;
-
-      case SEEK_END:
-	this->cur_offset = this->buf->getSize() + offset;
-	break;
-
-      case SEEK_CUR:
-	this->cur_offset += offset;
-	break;
-
-      default:
-	throw std::logic_error(
-	    "INTERNAL ERROR: invalid argument to BufferInputSource::seek");
-	break;
+    switch (whence) {
+    case SEEK_SET:
+        this->cur_offset = offset;
+        break;
+
+    case SEEK_END:
+        QIntC::range_check(this->max_offset, offset);
+        this->cur_offset = this->max_offset + offset;
+        break;
+
+    case SEEK_CUR:
+        QIntC::range_check(this->cur_offset, offset);
+        this->cur_offset += offset;
+        break;
+
+    default:
+        throw std::logic_error(
+            "INTERNAL ERROR: invalid argument to BufferInputSource::seek");
+        break;
     }
 
-    if (this->cur_offset < 0)
-    {
+    if (this->cur_offset < 0) {
         throw std::runtime_error(
             this->description + ": seek before beginning of buffer");
     }
@@ -126,30 +122,26 @@
 size_t
 BufferInputSource::read(char* buffer, size_t length)
 {
-    if (this->cur_offset < 0)
-    {
+    if (this->cur_offset < 0) {
         throw std::logic_error("INTERNAL ERROR: BufferInputSource offset < 0");
     }
-    qpdf_offset_t end_pos = this->buf->getSize();
-    if (this->cur_offset >= end_pos)
-    {
-	this->last_offset = end_pos;
-	return 0;
+    qpdf_offset_t end_pos = this->max_offset;
+    if (this->cur_offset >= end_pos) {
+        this->last_offset = end_pos;
+        return 0;
     }
 
     this->last_offset = this->cur_offset;
-    size_t len = std::min(
-        static_cast<size_t>(end_pos - this->cur_offset), length);
-    memcpy(buffer, buf->getBuffer() + this->cur_offset, len);
-    this->cur_offset += len;
+    size_t len = std::min(QIntC::to_size(end_pos - this->cur_offset), length);
+    memcpy(buffer, this->buf->getBuffer() + this->cur_offset, len);
+    this->cur_offset += QIntC::to_offset(len);
     return len;
 }
 
 void
 BufferInputSource::unreadCh(char ch)
 {
-    if (this->cur_offset > 0)
-    {
-	--this->cur_offset;
+    if (this->cur_offset > 0) {
+        --this->cur_offset;
     }
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/CMakeLists.txt Added

@@ -0,0 +1,607 @@
+set(libqpdf_crypto_native
+  AES_PDF_native.cc
+  MD5_native.cc
+  QPDFCrypto_native.cc
+  RC4_native.cc
+  SHA2_native.cc
+  rijndael.cc
+  sha2.c
+  sha2big.c)
+
+set(libqpdf_crypto_openssl
+  QPDFCrypto_openssl.cc)
+
+set(libqpdf_crypto_gnutls
+  QPDFCrypto_gnutls.cc)
+
+set(libqpdf_SOURCES
+  BitStream.cc
+  BitWriter.cc
+  Buffer.cc
+  BufferInputSource.cc
+  ClosedFileInputSource.cc
+  ContentNormalizer.cc
+  CryptoRandomDataProvider.cc
+  FileInputSource.cc
+  InputSource.cc
+  InsecureRandomDataProvider.cc
+  JSON.cc
+  JSONHandler.cc
+  MD5.cc
+  NNTree.cc
+  OffsetInputSource.cc
+  PDFVersion.cc
+  Pipeline.cc
+  Pl_AES_PDF.cc
+  Pl_ASCII85Decoder.cc
+  Pl_ASCIIHexDecoder.cc
+  Pl_Base64.cc
+  Pl_Buffer.cc
+  Pl_Concatenate.cc
+  Pl_Count.cc
+  Pl_DCT.cc
+  Pl_Discard.cc
+  Pl_Flate.cc
+  Pl_Function.cc
+  Pl_LZWDecoder.cc
+  Pl_MD5.cc
+  Pl_OStream.cc
+  Pl_PNGFilter.cc
+  Pl_QPDFTokenizer.cc
+  Pl_RC4.cc
+  Pl_RunLength.cc
+  Pl_SHA2.cc
+  Pl_StdioFile.cc
+  Pl_String.cc
+  Pl_TIFFPredictor.cc
+  QPDF.cc
+  QPDFAcroFormDocumentHelper.cc
+  QPDFAnnotationObjectHelper.cc
+  QPDFArgParser.cc
+  QPDFCryptoProvider.cc
+  QPDFEFStreamObjectHelper.cc
+  QPDFEmbeddedFileDocumentHelper.cc
+  QPDFExc.cc
+  QPDFFileSpecObjectHelper.cc
+  QPDFFormFieldObjectHelper.cc
+  QPDFJob.cc
+  QPDFJob_argv.cc
+  QPDFJob_config.cc
+  QPDFJob_json.cc
+  QPDFLogger.cc
+  QPDFMatrix.cc
+  QPDFNameTreeObjectHelper.cc
+  QPDFNumberTreeObjectHelper.cc
+  QPDFObject.cc
+  QPDFObjectHandle.cc
+  QPDFObjGen.cc
+  QPDFOutlineDocumentHelper.cc
+  QPDFOutlineObjectHelper.cc
+  QPDFPageDocumentHelper.cc
+  QPDFPageLabelDocumentHelper.cc
+  QPDFPageObjectHelper.cc
+  QPDFParser.cc
+  QPDFStreamFilter.cc
+  QPDFSystemError.cc
+  QPDFTokenizer.cc
+  QPDFUsage.cc
+  QPDFValue.cc
+  QPDFWriter.cc
+  QPDFXRefEntry.cc
+  QPDF_Array.cc
+  QPDF_Bool.cc
+  QPDF_Destroyed.cc
+  QPDF_Dictionary.cc
+  QPDF_InlineImage.cc
+  QPDF_Integer.cc
+  QPDF_Name.cc
+  QPDF_Null.cc
+  QPDF_Operator.cc
+  QPDF_Real.cc
+  QPDF_Reserved.cc
+  QPDF_Stream.cc
+  QPDF_String.cc
+  QPDF_Unresolved.cc
+  QPDF_encryption.cc
+  QPDF_json.cc
+  QPDF_linearization.cc
+  QPDF_optimization.cc
+  QPDF_pages.cc
+  QTC.cc
+  QUtil.cc
+  RC4.cc
+  ResourceFinder.cc
+  SecureRandomDataProvider.cc
+  SF_FlateLzwDecode.cc
+  SparseOHArray.cc
+  qpdf-c.cc
+  qpdfjob-c.cc
+  qpdflogger-c.cc)
+
+include(FindPkgConfig)
+include(CheckTypeSize)
+include(CheckIncludeFile)
+include(CheckCSourceCompiles)
+include(CheckCSourceRuns)
+include(CheckSymbolExists)
+
+set(dep_include_directories)
+set(dep_link_directories)
+set(dep_link_libraries)
+set(ANYTHING_MISSING 0)
+
+if(WIN32 AND (EXISTS ${qpdf_SOURCE_DIR}/external-libs))
+  set(EXTERNAL_LIBS 1)
+else()
+  set(EXTERNAL_LIBS 0)
+endif()
+
+if(EXTERNAL_LIBS)
+  set(EXTLIBDIR ${qpdf_SOURCE_DIR}/external-libs)
+  list(APPEND dep_include_directories ${EXTLIBDIR}/include)
+  set(JPEG_INCLUDE ${EXTLIBDIR}/include)
+  list(APPEND dep_link_libraries
+    z jpeg ssl crypto msvcrt ws2_32 shell32 advapi32 gdi32 user32 crypt32)
+  if (MSVC)
+    list(APPEND dep_link_directories ${EXTLIBDIR}/lib-msvc${WORDSIZE})
+  else()
+    list(APPEND dep_link_directories ${EXTLIBDIR}/lib-mingw${WORDSIZE})
+  endif()
+endif()
+
+if(NOT EXTERNAL_LIBS)
+  pkg_check_modules(pc_zlib zlib)
+  if(pc_zlib_FOUND)
+    list(APPEND dep_include_directories ${pc_zlib_INCLUDEDIR})
+    list(APPEND dep_link_directories ${pc_zlib_LIBDIR})
+    list(APPEND dep_link_libraries ${pc_zlib_LIBRARIES})
+  else()
+    find_path(ZLIB_H_PATH zlib.h)
+    find_library(ZLIB_LIB_PATH z zlib)
+    if(ZLIB_H_PATH AND ZLIB_LIB_PATH)
+      list(APPEND dep_include_directories ${ZLIB_H_PATH})
+      list(APPEND dep_link_libraries ${ZLIB_LIB_PATH})
+    else()
+      message(SEND_ERROR "zlib not found")
+      set(ANYTHING_MISSING 1)
+    endif()
+  endif()
+endif()
+
+if(NOT EXTERNAL_LIBS)
+  pkg_check_modules(pc_libjpeg libjpeg)
+  if(pc_libjpeg_FOUND)
+    list(APPEND dep_include_directories ${pc_libjpeg_INCLUDEDIR})
+    list(APPEND dep_link_directories ${pc_libjpeg_LIBDIR})
+    list(APPEND dep_link_libraries ${pc_libjpeg_LIBRARIES})
+    set(JPEG_INCLUDE ${pc_libjpeg_INCLUDEDIR})
+  else()
+    find_path(LIBJPEG_H_PATH jpeglib.h)
+    find_library(LIBJPEG_LIB_PATH jpeg)
+    if(LIBJPEG_H_PATH AND LIBJPEG_LIB_PATH)
+      list(APPEND dep_include_directories ${LIBJPEG_H_PATH})
+      list(APPEND dep_link_libraries ${LIBJPEG_LIB_PATH})
+      set(JPEG_INCLUDE ${LIBJPEG_H_PATH})
+    else()
+      message(SEND_ERROR "libjpeg not found")
+      set(ANYTHING_MISSING 1)
+    endif()
+  endif()
+endif()
+
+# Update JPEG_INCLUDE in PARENT_SCOPE after we have finished setting it.
+set(JPEG_INCLUDE ${JPEG_INCLUDE} PARENT_SCOPE)
+
+# Crypto provider selection. Prefer external crypto providers. If
+# implicit selection is allowed, use native only when no other options
+# are available or when explicitly requested. Allowing native as a
+# fallback can be disabled using the ALLOW_CRYPTO_NATIVE option.
+list(APPEND CRYPTO_PKG)
+
+set(USE_CRYPTO_GNUTLS OFF)
+set(USE_CRYPTO_OPENSSL OFF)
+set(USE_CRYPTO_NATIVE OFF)
+set(FOUND_CRYPTO OFF)
+
+if(USE_IMPLICIT_CRYPTO OR REQUIRE_CRYPTO_OPENSSL)
+  if(EXTERNAL_LIBS)
+    set(USE_CRYPTO_OPENSSL ON)
+  else()
+    pkg_check_modules(pc_openssl openssl>=1.1.0)
+    if(pc_openssl_FOUND)
+      set(USE_CRYPTO_OPENSSL ON)
+      set(FOUND_CRYPTO ON)
+      set(CRYPTO_PKG "${CRYPTO_PKG}, openssl >= 1.1.0")
+    else()
+      find_path(OPENSSL_H_PATH openssl/evp.h)
+      find_library(OPENSSL_LIB_PATH crypto)
+      if(OPENSSL_H_PATH AND OPENSSL_LIB_PATH)
+        list(APPEND dep_include_directories ${OPENSSL_H_PATH})
+        list(APPEND dep_link_libraries ${OPENSSL_LIB_PATH})
+        set(USE_CRYPTO_OPENSSL ON)
+        set(FOUND_CRYPTO ON)
+      elseif(REQUIRE_CRYPTO_OPENSSL)
+        message(SEND_ERROR "openssl not found")
+        set(ANYTHING_MISSING 1)
+      endif()
+    endif()
+  endif()
+endif()
+if(USE_IMPLICIT_CRYPTO OR REQUIRE_CRYPTO_GNUTLS)
+  pkg_check_modules(pc_gnutls gnutls)
+  if(pc_gnutls_FOUND)
+    set(USE_CRYPTO_GNUTLS ON)
+    set(FOUND_CRYPTO ON)
+    set(CRYPTO_PKG "${CRYPTO_PKG}, gnutls")
+  else()
+    find_path(GNUTLS_H_PATH gnutls/gnutls.h)
+    find_library(GNUTLS_LIB_PATH gnutls)
+    if(GNUTLS_H_PATH AND GNUTLS_LIB_PATH)
+      list(APPEND dep_include_directories ${GNUTLS_H_PATH})
+      list(APPEND dep_link_libraries ${GNUTLS_LIB_PATH})
+      set(USE_CRYPTO_GNUTLS ON)
+      set(FOUND_CRYPTO ON)
+    elseif(REQUIRE_CRYPTO_GNUTLS)
+      message(SEND_ERROR "gnutls not found")
+      set(ANYTHING_MISSING 1)
+    endif()
+  endif()
+endif()
+if(REQUIRE_CRYPTO_NATIVE)
+  set(USE_CRYPTO_NATIVE ON)
+  set(FOUND_CRYPTO ON)
+elseif(USE_IMPLICIT_CRYPTO)
+  if(ALLOW_CRYPTO_NATIVE AND (NOT FOUND_CRYPTO))
+    set(USE_CRYPTO_NATIVE ON)
+    set(FOUND_CRYPTO ON)
+  endif()
+endif()
+if(FOUND_CRYPTO)
+  if(NOT DEFAULT_CRYPTO)
+    # The preferred order of crypto providers is documented in
+    # manual/installation.rst in the crypto.build section.
+    if(USE_CRYPTO_GNUTLS)
+      set(DEFAULT_CRYPTO "gnutls")
+    elseif(USE_CRYPTO_OPENSSL)
+      set(DEFAULT_CRYPTO "openssl")
+    else()
+      set(DEFAULT_CRYPTO "native")
+    endif()
+  endif()
+else()
+  message(SEND_ERROR "no crypto provider is available")
+  set(ANYTHING_MISSING 1)
+endif()
+if(ANYTHING_MISSING)
+  message(FATAL_ERROR "Missing dependencies; unable to continue")
+endif()
+
+message(STATUS "")
+message(STATUS "*** Crypto Summary ***")
+message(STATUS "  GNU TLS crypto enabled: " ${USE_CRYPTO_GNUTLS})
+message(STATUS "  OpenSSL crypto enabled: " ${USE_CRYPTO_OPENSSL})
+message(STATUS "  Native crypto enabled: " ${USE_CRYPTO_NATIVE})
+message(STATUS "  Default crypto: " ${DEFAULT_CRYPTO})
+message(STATUS "")
+
+if(USE_CRYPTO_OPENSSL)
+  list(APPEND libqpdf_SOURCES ${libqpdf_crypto_openssl})
+  if(NOT EXTERNAL_LIBS)
+    list(APPEND dep_include_directories ${pc_openssl_INCLUDEDIR})
+    list(APPEND dep_link_directories ${pc_openssl_LIBDIR})
+    list(APPEND dep_link_libraries ${pc_openssl_LIBRARIES})
+  endif()
+endif()
+if(USE_CRYPTO_GNUTLS)
+  list(APPEND libqpdf_SOURCES ${libqpdf_crypto_gnutls})
+  list(APPEND dep_include_directories ${pc_gnutls_INCLUDEDIR})
+  list(APPEND dep_link_directories ${pc_gnutls_LIBDIR})
+  list(APPEND dep_link_libraries ${pc_gnutls_LIBRARIES})
+endif()
+if(USE_CRYPTO_NATIVE)
+  list(APPEND libqpdf_SOURCES ${libqpdf_crypto_native})
+endif()
+
+if(APPLE)
+  # 2022: in CI (GitHub actions), pkg-config for zlib was adding a
+  # broken directory to the include path. This effectively filters it
+  # out.
+  list(FILTER dep_include_directories EXCLUDE REGEX "^/Library/")
+endif()
+
+list(REMOVE_DUPLICATES dep_include_directories)
+list(REMOVE_DUPLICATES dep_link_directories)
+list(REMOVE_DUPLICATES dep_link_libraries)
+
+check_type_size(size_t SIZEOF_SIZE_T)
+check_include_file("inttypes.h" HAVE_INTTYPES_H)
+check_symbol_exists(fseeko "stdio.h" HAVE_FSEEKO)
+check_symbol_exists(fseeko64 "stdio.h" HAVE_FSEEKO64)
+check_symbol_exists(localtime_r "time.h" HAVE_LOCALTIME_R)
+check_symbol_exists(random "stdlib.h" HAVE_RANDOM)
+find_file(RANDOM_DEVICE
+  "urandom" "arandom" "arandom" PATHS "/dev" NO_DEFAULT_PATH)
+
+check_c_source_compiles(
+"#include <time.h>
+#include <stdio.h>
+int main(int argc, char* argv) {
+    tzset();
+    printf(\"%ld\", timezone);
+    return 0;
+}"
+    HAVE_EXTERN_LONG_TIMEZONE)
+
+check_c_source_compiles(
+"#include <time.h>
+int main(int argc, char* argv) {
+    struct tm tm;
+    tm.tm_gmtoff = 1;
+    return 0;
+}"
+    HAVE_EXTERN_TM_GMTOFF)
+
+check_c_source_compiles(
+"#include <stdio.h>
+#include <sys/types.h>
+int main(int argc, char* argv) {
+    int asizeof(off_t) >= 8 ? 1 : -1;
+}"
+    LFS_WITHOUT_MACROS)
+
+check_c_source_compiles(
+"#define _FILE_OFFSET_BITS 64
+#include <stdio.h>
+#include <sys/types.h>
+int main(int argc, char* argv) {
+    int asizeof(off_t) >= 8 ? 1 : -1;
+}"
+    LFS_WITH_MACROS)
+if(LFS_WITH_MACROS AND NOT LFS_WITHOUT_MACROS)
+  set(_FILE_OFFSET_BITS 64)
+endif()
+
+check_c_source_compiles(
+"#include <malloc.h>
+#include <stdio.h>
+int main(int argc, char* argv) {
+    malloc_info(0, stdout);
+    return 0;
+}"
+    HAVE_MALLOC_INFO)
+
+check_c_source_compiles(
+"#include <stdio.h>
+#include <stdlib.h>
+int main(int argc, char* argv) {
+    char* buf;
+    size_t size;
+    FILE* f;
+    f = open_memstream(&buf, &size);
+    fclose(f);
+    free(buf);
+    return 0;
+}"
+    HAVE_OPEN_MEMSTREAM)
+
+configure_file(
+  "${CMAKE_CURRENT_SOURCE_DIR}/qpdf/qpdf-config.h.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/qpdf/qpdf-config.h"
+  NEWLINE_STYLE UNIX)
+
+if(NOT BUILD_STATIC_LIBS)
+  set(OBJECT_LIB_IS_PIC ON)
+else()
+  set(OBJECT_LIB_IS_PIC OFF)
+endif()
+
+# Build an "object library" for use in libtests so we don't have to
+# export symbols that are not officially part of the public API. If we
+# are building static libraries, the object library won't use
+# position-independent code and will provided objects for the static
+# library. If we are only building the shared library, go ahead and
+# use PIC for the object library so we don't have to compile twice.
+set(OBJECT_LIB libqpdf_object)
+add_library(${OBJECT_LIB} OBJECT ${libqpdf_SOURCES})
+if(OBJECT_LIB_IS_PIC)
+  target_compile_definitions(${OBJECT_LIB} PRIVATE libqpdf_EXPORTS)
+endif()
+set_target_properties(${OBJECT_LIB} PROPERTIES
+  POSITION_INDEPENDENT_CODE ${OBJECT_LIB_IS_PIC})
+target_include_directories(${OBJECT_LIB}
+  SYSTEM PRIVATE ${dep_include_directories})
+target_include_directories(${OBJECT_LIB}
+  PUBLIC
+  ${JPEG_INCLUDE}
+  ${qpdf_INCLUDE}
+  ${qpdf_SOURCE_DIR}/libqpdf
+  ${CMAKE_CURRENT_BINARY_DIR})
+target_link_directories(${OBJECT_LIB} INTERFACE ${dep_link_directories})
+target_link_libraries(${OBJECT_LIB} INTERFACE ${dep_link_libraries})
+if(ATOMIC_LIBRARY)
+  target_link_libraries(${OBJECT_LIB} INTERFACE ${ATOMIC_LIBRARY})
+endif()
+
+set(LD_VERSION_FLAGS "")
+function(ld_version_script)
+  # Check if the linker supports linker scripts, and use if it does.
+  # This functionality is currently constrained to compilers using GNU
+  # ld on ELF systems or systems that emulation this behavior.
+  set(ld_script
+    "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/qpdf-tmp/conftest.map")
+  file(WRITE ${ld_script}
+"VERS_1 {
+        global: sym;
+};
+
+VERS_2 {
+        global: sym;
+} VERS_1;
+")
+  set(CMAKE_REQUIRED_LINK_OPTIONS -Wl,--version-script=${ld_script})
+  check_c_source_compiles("int main() { return 0; }" HAVE_LD_SCRIPT)
+  if(HAVE_LD_SCRIPT)
+    set(LD_VERSION_FLAGS
+      -Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/libqpdf.map PARENT_SCOPE)
+    configure_file(
+      "${qpdf_SOURCE_DIR}/libqpdf.map.in"
+      "${CMAKE_CURRENT_BINARY_DIR}/libqpdf.map"
+      NEWLINE_STYLE UNIX)
+  endif()
+endfunction()
+if(NOT WIN32)
+  ld_version_script()
+endif()
+
+if(BUILD_SHARED_LIBS)
+  set(SHARED_LIB libqpdf)
+  if(OBJECT_LIB_IS_PIC)
+    add_library(${SHARED_LIB} SHARED $<TARGET_OBJECTS:libqpdf_object>)
+  else()
+    add_library(${SHARED_LIB} SHARED ${libqpdf_SOURCES})
+  endif()
+  if(WIN32)
+    # Goal: the DLL import library should be libqpdf.a or qpdf.lib so
+    # that linking with -lqpdf gets you a shared library link on all
+    # platforms. The DLL should be qpdf${SONAME}.dll rather than just
+    # qpdf.dll. qpdf has always done this, and it gives us some
+    # protection against binary incompatible DLLs being installed.
+    set(SHARED_OUT qpdf${qpdf_SOVERSION})  # Put API version number in DLL
+    if(MINGW)
+      # Reference: Platform/Windows-GNU.cmake in the cmake installation
+      set(CMAKE_SHARED_LIBRARY_PREFIX "")    # libqpdf$v.dll -> qpdf$v.dll
+      set(CMAKE_IMPORT_LIBRARY_SUFFIX ".a")  # libqpdf.dll.a -> libqpdf.a
+    endif()
+    if(MSVC)
+      # Avoid linker warning from mixing libraries built with /MT and /MD.
+      set_target_properties(${SHARED_LIB}
+        PROPERTIES LINK_FLAGS "/NODEFAULTLIB:LIBCMT /NODEFAULTLIB:LIBCMTD")
+    endif()
+  else()
+    set(SHARED_OUT qpdf)
+  endif()
+  # Setting OUTPUT_NAME and ARCHIVE_OUTPUT_NAME separate enables us to
+  # have a versioned DLL and an unversioned import library, which
+  # gives us semantics similar to ELF shared libraries and makes
+  # linking against qpdf the same across all platforms.
+  set_target_properties(${SHARED_LIB} PROPERTIES
+    OUTPUT_NAME ${SHARED_OUT}
+    ARCHIVE_OUTPUT_NAME qpdf
+    VERSION ${qpdf_LIBVERSION}
+    SOVERSION ${qpdf_SOVERSION}
+    POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS})
+
+  target_compile_definitions(${SHARED_LIB} PRIVATE libqpdf_EXPORTS)
+  target_include_directories(${SHARED_LIB}
+    SYSTEM PRIVATE ${dep_include_directories})
+  target_include_directories(${SHARED_LIB}
+    PUBLIC
+    $<BUILD_INTERFACE:${qpdf_INCLUDE}>
+    $<INSTALL_INTERFACE:include>)
+  target_link_directories(${SHARED_LIB} PRIVATE ${dep_link_directories})
+  target_link_libraries(${SHARED_LIB} PRIVATE ${dep_link_libraries})
+  if(ATOMIC_LIBRARY)
+    target_link_libraries(${SHARED_LIB} PRIVATE ${ATOMIC_LIBRARY})
+  endif()
+  if(LD_VERSION_FLAGS)
+    target_link_options(${SHARED_LIB} PRIVATE ${LD_VERSION_FLAGS})
+  endif()
+
+  target_include_directories(${SHARED_LIB}
+    PRIVATE ${qpdf_SOURCE_DIR}/libqpdf ${CMAKE_CURRENT_BINARY_DIR})
+
+  install(TARGETS ${SHARED_LIB}
+    EXPORT libqpdfTargets
+    TYPE LIBRARY
+    COMPONENT ${COMPONENT_LIB}
+    NAMELINK_COMPONENT ${COMPONENT_DEV}
+    INCLUDES ${qpdf_INCLUDE})
+endif()
+
+if(BUILD_STATIC_LIBS)
+  if(BUILD_SHARED_LIBS)
+    set(STATIC_LIB libqpdf_static)
+  else()
+    set(STATIC_LIB libqpdf)
+  endif()
+  if(OBJECT_LIB_IS_PIC)
+    add_library(${STATIC_LIB} STATIC ${libqpdf_SOURCES})
+  else()
+    add_library(${STATIC_LIB} STATIC $<TARGET_OBJECTS:libqpdf_object>)
+  endif()
+
+  target_include_directories(${STATIC_LIB}
+    SYSTEM PRIVATE ${dep_include_directories})
+  target_include_directories(${STATIC_LIB}
+    PUBLIC
+    $<BUILD_INTERFACE:${qpdf_INCLUDE}>
+    $<INSTALL_INTERFACE:include>)
+  target_link_directories(${STATIC_LIB}
+    INTERFACE $<BUILD_INTERFACE:${dep_link_directories}>
+    PRIVATE $<INSTALL_INTERFACE:${dep_link_directories}>)
+  target_link_libraries(${STATIC_LIB} INTERFACE ${dep_link_libraries})
+  if(ATOMIC_LIBRARY)
+    target_link_libraries(${STATIC_LIB} INTERFACE ${ATOMIC_LIBRARY})
+  endif()
+
+  # Avoid name clashes on Windows with the the DLL import library.
+  if(NOT DEFINED STATIC_SUFFIX AND BUILD_SHARED_LIBS)
+    if (WIN32)
+      set(STATIC_SUFFIX "_static")
+    else()
+      set(STATIC_SUFFIX "")
+    endif()
+  endif()
+
+  set_target_properties(${STATIC_LIB} PROPERTIES
+    OUTPUT_NAME qpdf${STATIC_SUFFIX}
+    VERSION ${PROJECT_VERSION})
+  target_include_directories(${STATIC_LIB}
+    PRIVATE ${qpdf_SOURCE_DIR}/libqpdf ${CMAKE_CURRENT_BINARY_DIR})
+
+  install(TARGETS ${STATIC_LIB}
+    EXPORT libqpdfTargets
+    TYPE ARCHIVE
+    COMPONENT ${COMPONENT_DEV}
+    INCLUDES ${qpdf_INCLUDE})
+endif()
+
+configure_file(
+  "${qpdf_SOURCE_DIR}/libqpdf.pc.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/libqpdf.pc"
+  @ONLY NEWLINE_STYLE UNIX)
+if(INSTALL_PKGCONFIG)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libqpdf.pc
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+    COMPONENT ${COMPONENT_DEV})
+endif()
+
+if(INSTALL_CMAKE_PACKAGE)
+  include(CMakePackageConfigHelpers)
+  configure_package_config_file(
+    ${qpdf_SOURCE_DIR}/qpdfConfig.cmake.in
+    ${CMAKE_CURRENT_BINARY_DIR}/qpdfConfig.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/qpdf)
+  write_basic_package_version_file(
+    "${CMAKE_CURRENT_BINARY_DIR}/qpdfConfigVersion.cmake"
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY SameMajorVersion)
+  install(EXPORT libqpdfTargets
+    NAMESPACE qpdf::
+    FILE libqpdfTargets.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/qpdf)
+  install(FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/qpdfConfigVersion.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/qpdfConfig.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/qpdf)
+endif()
+
+if(CHECK_SIZES AND BUILD_SHARED_LIBS AND (CMAKE_SYSTEM_NAME STREQUAL "Linux"))
+  # We can only do this check on a system with ELF shared libraries.
+  # Since this is a maintainer-only option, testing for Linux is a
+  # close enough approximation.
+  add_test(
+    NAME check-sizes
+    COMMAND ${qpdf_SOURCE_DIR}/check_abi check-sizes
+    --lib $<TARGET_FILE:libqpdf>)
+endif()

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/ClosedFileInputSource.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/ClosedFileInputSource.cc Changed

@@ -1,58 +1,46 @@
 #include <qpdf/ClosedFileInputSource.hh>
+
 #include <qpdf/FileInputSource.hh>
 
-ClosedFileInputSource::Members::Members(char const* filename) :
+ClosedFileInputSource::ClosedFileInputSource(char const* filename) :
     filename(filename),
     offset(0),
-    fis(0),
     stay_open(false)
 {
 }
 
-ClosedFileInputSource::Members::~Members()
-{
-    delete fis;
-}
-
-ClosedFileInputSource::ClosedFileInputSource(char const* filename) :
-    m(new Members(filename))
-{
-}
-
 ClosedFileInputSource::~ClosedFileInputSource()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
 }
 
 void
 ClosedFileInputSource::before()
 {
-    if (0 == this->m->fis)
-    {
-        this->m->fis = new FileInputSource();
-        this->m->fis->setFilename(this->m->filename.c_str());
-        this->m->fis->seek(this->m->offset, SEEK_SET);
-        this->m->fis->setLastOffset(this->last_offset);
+    if (nullptr == this->fis) {
+        this->fis = std::make_shared<FileInputSource>(this->filename.c_str());
+        this->fis->seek(this->offset, SEEK_SET);
+        this->fis->setLastOffset(this->last_offset);
     }
 }
 
 void
 ClosedFileInputSource::after()
 {
-    this->last_offset = this->m->fis->getLastOffset();
-    this->m->offset = this->m->fis->tell();
-    if (this->m->stay_open)
-    {
+    this->last_offset = this->fis->getLastOffset();
+    this->offset = this->fis->tell();
+    if (this->stay_open) {
         return;
     }
-    delete this->m->fis;
-    this->m->fis = 0;
+    this->fis = nullptr;
 }
 
 qpdf_offset_t
 ClosedFileInputSource::findAndSkipNextEOL()
 {
     before();
-    qpdf_offset_t r = this->m->fis->findAndSkipNextEOL();
+    qpdf_offset_t r = this->fis->findAndSkipNextEOL();
     after();
     return r;
 }
@@ -60,14 +48,14 @@
 std::string const&
 ClosedFileInputSource::getName() const
 {
-    return this->m->filename;
+    return this->filename;
 }
 
 qpdf_offset_t
 ClosedFileInputSource::tell()
 {
     before();
-    qpdf_offset_t r = this->m->fis->tell();
+    qpdf_offset_t r = this->fis->tell();
     after();
     return r;
 }
@@ -76,17 +64,16 @@
 ClosedFileInputSource::seek(qpdf_offset_t offset, int whence)
 {
     before();
-    this->m->fis->seek(offset, whence);
+    this->fis->seek(offset, whence);
     after();
 }
 
 void
 ClosedFileInputSource::rewind()
 {
-    this->m->offset = 0;
-    if (this->m->fis)
-    {
-        this->m->fis->rewind();
+    this->offset = 0;
+    if (this->fis.get()) {
+        this->fis->rewind();
     }
 }
 
@@ -94,7 +81,7 @@
 ClosedFileInputSource::read(char* buffer, size_t length)
 {
     before();
-    size_t r = this->m->fis->read(buffer, length);
+    size_t r = this->fis->read(buffer, length);
     after();
     return r;
 }
@@ -103,7 +90,7 @@
 ClosedFileInputSource::unreadCh(char ch)
 {
     before();
-    this->m->fis->unreadCh(ch);
+    this->fis->unreadCh(ch);
     // Don't call after -- the file has to stay open after this
     // operation.
 }
@@ -111,9 +98,8 @@
 void
 ClosedFileInputSource::stayOpen(bool val)
 {
-    this->m->stay_open = val;
-    if ((! val) && this->m->fis)
-    {
+    this->stay_open = val;
+    if ((!val) && this->fis.get()) {
         after();
     }
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/ContentNormalizer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/ContentNormalizer.cc Changed

@@ -1,4 +1,5 @@
 #include <qpdf/ContentNormalizer.hh>
+
 #include <qpdf/QUtil.hh>
 
 ContentNormalizer::ContentNormalizer() :
@@ -7,77 +8,61 @@
 {
 }
 
-ContentNormalizer::~ContentNormalizer()
-{
-}
-
 void
 ContentNormalizer::handleToken(QPDFTokenizer::Token const& token)
 {
     std::string value = token.getRawValue();
     QPDFTokenizer::token_type_e token_type = token.getType();
 
-    if (token_type == QPDFTokenizer::tt_bad)
-    {
+    if (token_type == QPDFTokenizer::tt_bad) {
         this->any_bad_tokens = true;
         this->last_token_was_bad = true;
-    }
-    else if (token_type != QPDFTokenizer::tt_eof)
-    {
+    } else if (token_type != QPDFTokenizer::tt_eof) {
         this->last_token_was_bad = false;
     }
 
-    switch (token_type)
-    {
-      case QPDFTokenizer::tt_space:
+    switch (token_type) {
+    case QPDFTokenizer::tt_space:
         {
             size_t len = value.length();
-            for (size_t i = 0; i < len; ++i)
-            {
+            for (size_t i = 0; i < len; ++i) {
                 char ch = value.at(i);
-                if (ch == '\r')
-                {
-                    if ((i + 1 < len) && (value.at(i + 1) == '\n'))
-                    {
+                if (ch == '\r') {
+                    if ((i + 1 < len) && (value.at(i + 1) == '\n')) {
                         // ignore
-                    }
-                    else
-                    {
+                    } else {
                         write("\n");
                     }
-                }
-                else
-                {
+                } else {
                     write(&ch, 1);
                 }
             }
         }
         break;
 
-      case QPDFTokenizer::tt_string:
+    case QPDFTokenizer::tt_string:
         // Replacing string and name tokens in this way normalizes
         // their representation as this will automatically handle
         // quoting of unprintable characters, etc.
-        writeToken(QPDFTokenizer::Token(
-                       QPDFTokenizer::tt_string, token.getValue()));
-	break;
+        writeToken(
+            QPDFTokenizer::Token(QPDFTokenizer::tt_string, token.getValue()));
+        break;
 
-      case QPDFTokenizer::tt_name:
-        writeToken(QPDFTokenizer::Token(
-                       QPDFTokenizer::tt_name, token.getValue()));
-	break;
+    case QPDFTokenizer::tt_name:
+        writeToken(
+            QPDFTokenizer::Token(QPDFTokenizer::tt_name, token.getValue()));
+        break;
 
-      default:
+    default:
         writeToken(token);
-	break;
+        break;
     }
 
     value = token.getRawValue();
     if (((token_type == QPDFTokenizer::tt_string) ||
          (token_type == QPDFTokenizer::tt_name)) &&
         ((value.find('\r') != std::string::npos) ||
-         (value.find('\n') != std::string::npos)))
-    {
+         (value.find('\n') != std::string::npos))) {
         write("\n");
     }
 }
@@ -89,7 +74,7 @@
 }
 
 bool
-ContentNormalizer::lastTokenWasBad()const
+ContentNormalizer::lastTokenWasBad() const
 {
     return this->last_token_was_bad;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/CryptoRandomDataProvider.cc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/FileInputSource.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/FileInputSource.cc Changed

@@ -1,48 +1,54 @@
 #include <qpdf/FileInputSource.hh>
-#include <string.h>
-#include <qpdf/QUtil.hh>
+
 #include <qpdf/QPDFExc.hh>
+#include <qpdf/QUtil.hh>
 #include <algorithm>
+#include <string.h>
 
 FileInputSource::FileInputSource() :
     close_file(false),
-    file(0)
+    file(nullptr)
 {
 }
 
-void
-FileInputSource::setFilename(char const* filename)
+FileInputSource::FileInputSource(char const* filename) :
+    close_file(true),
+    filename(filename),
+    file(QUtil::safe_fopen(filename, "rb"))
 {
-    destroy();
-    this->filename = filename;
-    this->close_file = true;
-    this->file = QUtil::safe_fopen(this->filename.c_str(), "rb");
 }
 
-void
-FileInputSource::setFile(
-    char const* description, FILE* filep, bool close_file)
+FileInputSource::FileInputSource(
+    char const* description, FILE* filep, bool close_file) :
+    close_file(close_file),
+    filename(description),
+    file(filep)
 {
-    destroy();
-    this->filename = description;
-    this->close_file = close_file;
-    this->file = filep;
-    this->seek(0, SEEK_SET);
 }
 
 FileInputSource::~FileInputSource()
 {
-    destroy();
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+    if (this->file && this->close_file) {
+        fclose(this->file);
+    }
+}
+
+void
+FileInputSource::setFilename(char const* filename)
+{
+    this->close_file = true;
+    this->filename = filename;
+    this->file = QUtil::safe_fopen(filename, "rb");
 }
 
 void
-FileInputSource::destroy()
+FileInputSource::setFile(char const* description, FILE* filep, bool close_file)
 {
-    if (this->file && this->close_file)
-    {
-	fclose(this->file);
-	this->file = 0;
-    }
+    this->filename = description;
+    this->file = filep;
+    this->seek(0, SEEK_SET);
 }
 
 qpdf_offset_t
@@ -51,35 +57,26 @@
     qpdf_offset_t result = 0;
     bool done = false;
     char buf10240;
-    while (! done)
-    {
+    while (!done) {
         qpdf_offset_t cur_offset = QUtil::tell(this->file);
         size_t len = this->read(buf, sizeof(buf));
-        if (len == 0)
-        {
+        if (len == 0) {
             done = true;
             result = this->tell();
-        }
-        else
-        {
+        } else {
             char* p1 = static_cast<char*>(memchr(buf, '\r', len));
             char* p2 = static_cast<char*>(memchr(buf, '\n', len));
             char* p = (p1 && p2) ? std::min(p1, p2) : p1 ? p1 : p2;
-            if (p)
-            {
+            if (p) {
                 result = cur_offset + (p - buf);
                 // We found \r or \n.  Keep reading until we get past
                 // \r and \n characters.
                 this->seek(result + 1, SEEK_SET);
                 char ch;
-                while (! done)
-                {
-                    if (this->read(&ch, 1) == 0)
-                    {
+                while (!done) {
+                    if (this->read(&ch, 1) == 0) {
                         done = true;
-                    }
-                    else if (! ((ch == '\r') || (ch == '\n')))
-                    {
+                    } else if (!((ch == '\r') || (ch == '\n'))) {
                         this->unreadCh(ch);
                         done = true;
                     }
@@ -105,10 +102,12 @@
 void
 FileInputSource::seek(qpdf_offset_t offset, int whence)
 {
-    QUtil::os_wrapper(std::string("seek to ") + this->filename + ", offset " +
-		      QUtil::int_to_string(offset) + " (" +
-		      QUtil::int_to_string(whence) + ")",
-		      QUtil::seek(this->file, offset, whence));
+    if (QUtil::seek(this->file, offset, whence) == -1) {
+        QUtil::throw_system_error(
+            std::string("seek to ") + this->filename + ", offset " +
+            QUtil::int_to_string(offset) + " (" + QUtil::int_to_string(whence) +
+            ")");
+    }
 }
 
 void
@@ -120,20 +119,18 @@
 size_t
 FileInputSource::read(char* buffer, size_t length)
 {
-    this->last_offset = this->tell();
+    this->last_offset = QUtil::tell(this->file);
     size_t len = fread(buffer, 1, length, this->file);
-    if (len == 0)
-    {
-        if (ferror(this->file))
-        {
-            throw QPDFExc(qpdf_e_system,
-                          this->filename, "",
-                          this->last_offset,
-                          std::string("read ") +
-                          QUtil::int_to_string(length) + " bytes");
-        }
-        else if (length > 0)
-        {
+    if (len == 0) {
+        if (ferror(this->file)) {
+            throw QPDFExc(
+                qpdf_e_system,
+                this->filename,
+                "",
+                this->last_offset,
+                (std::string("read ") + QUtil::uint_to_string(length) +
+                 " bytes"));
+        } else if (length > 0) {
             this->seek(0, SEEK_END);
             this->last_offset = this->tell();
         }
@@ -144,6 +141,7 @@
 void
 FileInputSource::unreadCh(char ch)
 {
-    QUtil::os_wrapper(this->filename + ": unread character",
-		      ungetc(static_cast<unsigned char>(ch), this->file));
+    if (ungetc(static_cast<unsigned char>(ch), this->file) == -1) {
+        QUtil::throw_system_error(this->filename + ": unread character");
+    }
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/InputSource.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/InputSource.cc Changed

@@ -1,9 +1,9 @@
 #include <qpdf/InputSource.hh>
-#include <string.h>
-#include <stdexcept>
-#include <qpdf/QTC.hh>
-#include <qpdf/PointerHolder.hh>
 
+#include <qpdf/QIntC.hh>
+#include <qpdf/QTC.hh>
+#include <stdexcept>
+#include <string.h>
 
 void
 InputSource::setLastOffset(qpdf_offset_t offset)
@@ -28,25 +28,23 @@
     // point to position the file had when this method was called.
 
     qpdf_offset_t offset = this->tell();
-    char* buf = new charmax_line_length + 1;
-    PointerHolder<char> bp(true, buf);
+    auto bp = std::make_unique<char>(max_line_length + 1);
+    char* buf = bp.get();
     memset(buf, '\0', max_line_length + 1);
     this->read(buf, max_line_length);
     this->seek(offset, SEEK_SET);
     qpdf_offset_t eol = this->findAndSkipNextEOL();
     this->last_offset = offset;
-    size_t line_length = eol - offset;
-    if (line_length < max_line_length)
-    {
+    size_t line_length = QIntC::to_size(eol - offset);
+    if (line_length < max_line_length) {
         bufline_length = '\0';
     }
     return std::string(buf);
 }
 
 bool
-InputSource::findFirst(char const* start_chars,
-                       qpdf_offset_t offset, size_t len,
-                       Finder& finder)
+InputSource::findFirst(
+    char const* start_chars, qpdf_offset_t offset, size_t len, Finder& finder)
 {
     // Basic approach: search for the first character of start_chars
     // starting from offset but not going past len (if len != 0). Once
@@ -65,14 +63,13 @@
     // To enable us to guarantee null-termination, save an extra byte
     // so that bufsize is valid memory.
     size_t size = sizeof(buf) - 1;
-    if ((strlen(start_chars) < 1) || (strlen(start_chars) > size))
-    {
+    if ((strlen(start_chars) < 1) || (strlen(start_chars) > size)) {
         throw std::logic_error(
             "InputSource::findSource called with"
             " too small or too large of a character sequence");
     }
 
-    char* p = 0;
+    char* p = nullptr;
     qpdf_offset_t buf_offset = offset;
     size_t bytes_read = 0;
 
@@ -81,8 +78,7 @@
     // that will cause return on the next pass. Eventually we will
     // either be out of range or hit EOF, either of which forces us to
     // return.
-    while (true)
-    {
+    while (true) {
         // Do we need to read more data? Pretend size = 5, buf starts
         // at 0, and start_chars has 3 characters. buf5 is valid and
         // null. If p == 2, start_chars could be buf2 through
@@ -90,12 +86,13 @@
         // If p points to bufsize, since strlen(start_chars) is
         // always >= 1, this overflow test will be correct for that
         // case regardless of start_chars.
-        if ((p == 0) || ((p + strlen(start_chars)) > (buf + bytes_read)))
-        {
-            if (p)
-            {
-                QTC::TC("libtests", "InputSource read next block",
-                        ((p == buf + bytes_read) ? 0 : 1));
+        if ((p == nullptr) ||
+            ((p + strlen(start_chars)) > (buf + bytes_read))) {
+            if (p) {
+                QTC::TC(
+                    "libtests",
+                    "InputSource read next block",
+                    ((p == buf + bytes_read) ? 0 : 1));
                 buf_offset += (p - buf);
             }
             this->seek(buf_offset, SEEK_SET);
@@ -104,10 +101,11 @@
             // we could guarantee null termination as an extra
             // protection against overrun when using string functions.
             bytes_read = this->read(buf, size);
-            if (bytes_read < strlen(start_chars))
-            {
-                QTC::TC("libtests", "InputSource find EOF",
-                        bytes_read == 0 ? 0 : 1);
+            if (bytes_read < strlen(start_chars)) {
+                QTC::TC(
+                    "libtests",
+                    "InputSource find EOF",
+                    bytes_read == 0 ? 0 : 1);
                 return false;
             }
             memset(buf + bytes_read, '\0', 1 + (size - bytes_read));
@@ -116,26 +114,26 @@
 
         // Search for the first character.
         if ((p = static_cast<char*>(
-                 memchr(p, start_chars0, bytes_read - (p - buf)))) != 0)
-        {
-            if (p == buf)
-            {
+                 // line-break
+                 memchr(
+                     p,
+                     start_chars0,
+                     bytes_read - QIntC::to_size(p - buf)))) != nullptr) {
+            if (p == buf) {
                 QTC::TC("libtests", "InputSource found match at buf0");
             }
             // Found first letter.
-            if (len != 0)
-            {
+            if (len != 0) {
                 // Make sure it's in range.
-                size_t p_relative_offset = (p - buf) + (buf_offset - offset);
-                if (p_relative_offset >= len)
-                {
+                size_t p_relative_offset =
+                    QIntC::to_size((p - buf) + (buf_offset - offset));
+                if (p_relative_offset >= len) {
                     // out of range
                     QTC::TC("libtests", "InputSource out of range");
                     return false;
                 }
             }
-            if ((p + strlen(start_chars)) > (buf + bytes_read))
-            {
+            if ((p + strlen(start_chars)) > (buf + bytes_read)) {
                 // If there are not enough bytes left in the file for
                 // start_chars, we will detect this on the next pass
                 // as EOF and return.
@@ -146,30 +144,26 @@
             // See if p points to a sequence matching start_chars. We
             // already checked above to make sure we are not going to
             // overrun memory.
-            if (strncmp(p, start_chars, strlen(start_chars)) == 0)
-            {
+            if (strncmp(p, start_chars, strlen(start_chars)) == 0) {
                 // Call finder.check() with the input source
                 // positioned to the point of the match.
                 this->seek(buf_offset + (p - buf), SEEK_SET);
-                if (finder.check())
-                {
+                if (finder.check()) {
                     return true;
+                } else {
+                    QTC::TC(
+                        "libtests",
+                        "InputSource start_chars matched but not check");
                 }
-                else
-                {
-                    QTC::TC("libtests", "InputSource start_chars matched but not check");
-                }
-            }
-            else
-            {
-                QTC::TC("libtests", "InputSource first char matched but not string");
+            } else {
+                QTC::TC(
+                    "libtests",
+                    "InputSource first char matched but not string");
             }
             // This occurrence of the first character wasn't a match.
             // Skip over it and keep searching.
             ++p;
-        }
-        else
-        {
+        } else {
             // Trigger reading the next block
             p = buf + bytes_read;
         }
@@ -178,30 +172,24 @@
 }
 
 bool
-InputSource::findLast(char const* start_chars,
-                      qpdf_offset_t offset, size_t len,
-                      Finder& finder)
+InputSource::findLast(
+    char const* start_chars, qpdf_offset_t offset, size_t len, Finder& finder)
 {
     bool found = false;
     qpdf_offset_t after_found_offset = 0;
     qpdf_offset_t cur_offset = offset;
     size_t cur_len = len;
-    while (this->findFirst(start_chars, cur_offset, cur_len, finder))
-    {
-        if (found)
-        {
+    while (this->findFirst(start_chars, cur_offset, cur_len, finder)) {
+        if (found) {
             QTC::TC("libtests", "InputSource findLast found more than one");
-        }
-        else
-        {
+        } else {
             found = true;
         }
         after_found_offset = this->tell();
         cur_offset = after_found_offset;
-        cur_len = len - (cur_offset - offset);
+        cur_len = len - QIntC::to_size((cur_offset - offset));
     }
-    if (found)
-    {
+    if (found) {
         this->seek(after_found_offset, SEEK_SET);
     }
     return found;

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/InsecureRandomDataProvider.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/InsecureRandomDataProvider.cc Changed

@@ -1,7 +1,7 @@
 #include <qpdf/InsecureRandomDataProvider.hh>
 
-#include <qpdf/qpdf-config.h>
 #include <qpdf/QUtil.hh>
+#include <qpdf/qpdf-config.h>
 #include <stdlib.h>
 
 InsecureRandomDataProvider::InsecureRandomDataProvider() :
@@ -9,15 +9,10 @@
 {
 }
 
-InsecureRandomDataProvider::~InsecureRandomDataProvider()
-{
-}
-
 void
 InsecureRandomDataProvider::provideRandomData(unsigned char* data, size_t len)
 {
-    for (size_t i = 0; i < len; ++i)
-    {
+    for (size_t i = 0; i < len; ++i) {
         datai = static_cast<unsigned char>((this->random() & 0xff0) >> 4);
     }
 }
@@ -25,20 +20,25 @@
 long
 InsecureRandomDataProvider::random()
 {
-    if (! this->seeded_random)
-    {
-	// Seed the random number generator with something simple, but
-	// just to be interesting, don't use the unmodified current
-	// time.  It would be better if this were a more secure seed.
-        QUtil::srandom(QUtil::get_current_time() ^ 0xcccc);
-	this->seeded_random = true;
+    if (!this->seeded_random) {
+        // Seed the random number generator with something simple, but
+        // just to be interesting, don't use the unmodified current
+        // time.  It would be better if this were a more secure seed.
+        unsigned int seed =
+            static_cast<unsigned int>(QUtil::get_current_time() ^ 0xcccc);
+#ifdef HAVE_RANDOM
+        ::srandom(seed);
+#else
+        srand(seed);
+#endif
+        this->seeded_random = true;
     }
 
-#  ifdef HAVE_RANDOM
+#ifdef HAVE_RANDOM
     return ::random();
-#  else
+#else
     return rand();
-#  endif
+#endif
 }
 
 RandomDataProvider*

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/JSON.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/JSON.cc Changed

@@ -1,105 +1,150 @@
 #include <qpdf/JSON.hh>
-#include <qpdf/QUtil.hh>
+
+#include <qpdf/BufferInputSource.hh>
+#include <qpdf/Pl_Base64.hh>
+#include <qpdf/Pl_Concatenate.hh>
+#include <qpdf/Pl_String.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <cstring>
 #include <stdexcept>
 
-JSON::Members::~Members()
+template <typename T>
+static qpdf_offset_t
+toO(T const& i)
 {
+    return QIntC::to_offset(i);
 }
 
-JSON::Members::Members(PointerHolder<JSON_value> value) :
-    value(value)
+JSON::Members::Members(std::shared_ptr<JSON_value> value) :
+    value(value),
+    start(0),
+    end(0)
 {
 }
 
-JSON::JSON(PointerHolder<JSON_value> value) :
+JSON::JSON(std::shared_ptr<JSON_value> value) :
     m(new Members(value))
 {
 }
 
-JSON::JSON_value::~JSON_value()
+void
+JSON::writeClose(Pipeline* p, bool first, size_t depth, char const* delimiter)
 {
+    if (!first) {
+        *p << "\n";
+        writeIndent(p, depth);
+    }
+    *p << delimiter;
 }
 
-JSON::JSON_dictionary::~JSON_dictionary()
+void
+JSON::writeIndent(Pipeline* p, size_t depth)
 {
+    for (size_t i = 0; i < depth; ++i) {
+        *p << "  ";
+    }
 }
 
-std::string JSON::JSON_dictionary::unparse(size_t depth) const
+void
+JSON::writeNext(Pipeline* p, bool& first, size_t depth)
 {
-    std::string result = "{";
-    bool first = true;
-    for (std::map<std::string, PointerHolder<JSON_value> >::const_iterator
-             iter = members.begin();
-         iter != members.end(); ++iter)
-    {
-        if (first)
-        {
-            first = false;
-        }
-        else
-        {
-            result.append(1, ',');
-        }
-        result.append(1, '\n');
-        result.append(2 * (1 + depth), ' ');
-        result += ("\"" + (*iter).first + "\": " +
-                   (*iter).second->unparse(1 + depth));
-    }
-    if (! first)
-    {
-        result.append(1, '\n');
-        result.append(2 * depth, ' ');
+    if (first) {
+        first = false;
+    } else {
+        *p << ",";
     }
-    result.append(1, '}');
-    return result;
+    *p << "\n";
+    writeIndent(p, depth);
+}
+
+void
+JSON::writeDictionaryOpen(Pipeline* p, bool& first, size_t depth)
+{
+    *p << "{";
+    first = true;
+}
+
+void
+JSON::writeArrayOpen(Pipeline* p, bool& first, size_t depth)
+{
+    *p << "";
+    first = true;
 }
 
-JSON::JSON_array::~JSON_array()
+void
+JSON::writeDictionaryClose(Pipeline* p, bool first, size_t depth)
 {
+    writeClose(p, first, depth, "}");
 }
 
-std::string JSON::JSON_array::unparse(size_t depth) const
+void
+JSON::writeArrayClose(Pipeline* p, bool first, size_t depth)
+{
+    writeClose(p, first, depth, "");
+}
+
+void
+JSON::writeDictionaryKey(
+    Pipeline* p, bool& first, std::string const& key, size_t depth)
+{
+    writeNext(p, first, depth);
+    *p << "\"" << key << "\": ";
+}
+
+void
+JSON::writeDictionaryItem(
+    Pipeline* p,
+    bool& first,
+    std::string const& key,
+    JSON const& value,
+    size_t depth)
+{
+    writeDictionaryKey(p, first, key, depth);
+    value.write(p, depth);
+}
+
+void
+JSON::writeArrayItem(
+    Pipeline* p, bool& first, JSON const& element, size_t depth)
+{
+    writeNext(p, first, depth);
+    element.write(p, depth);
+}
+
+void
+JSON::JSON_dictionary::write(Pipeline* p, size_t depth) const
 {
-    std::string result = "";
     bool first = true;
-    for (std::vector<PointerHolder<JSON_value> >::const_iterator iter =
-             elements.begin();
-         iter != elements.end(); ++iter)
-    {
-        if (first)
-        {
-            first = false;
-        }
-        else
-        {
-            result.append(1, ',');
-        }
-        result.append(1, '\n');
-        result.append(2 * (1 + depth), ' ');
-        result += (*iter)->unparse(1 + depth);
+    writeDictionaryOpen(p, first, depth);
+    for (auto const& iter: members) {
+        writeDictionaryItem(p, first, iter.first, iter.second, 1 + depth);
     }
-    if (! first)
-    {
-        result.append(1, '\n');
-        result.append(2 * depth, ' ');
-    }
-    result.append(1, '');
-    return result;
+    writeDictionaryClose(p, first, depth);
 }
 
-JSON::JSON_string::JSON_string(std::string const& utf8) :
-    encoded(encode_string(utf8))
+void
+JSON::JSON_array::write(Pipeline* p, size_t depth) const
 {
+    bool first = true;
+    writeArrayOpen(p, first, depth);
+    for (auto const& element: elements) {
+        writeArrayItem(p, first, element, 1 + depth);
+    }
+    writeArrayClose(p, first, depth);
 }
 
-JSON::JSON_string::~JSON_string()
+JSON::JSON_string::JSON_string(std::string const& utf8) :
+    utf8(utf8),
+    encoded(encode_string(utf8))
 {
 }
 
-std::string JSON::JSON_string::unparse(size_t) const
+void
+JSON::JSON_string::write(Pipeline* p, size_t) const
 {
-    return "\"" + encoded + "\"";
+    *p << "\"" << encoded << "\"";
 }
 
 JSON::JSON_number::JSON_number(long long value) :
@@ -117,49 +162,62 @@
 {
 }
 
-JSON::JSON_number::~JSON_number()
+void
+JSON::JSON_number::write(Pipeline* p, size_t) const
 {
+    *p << encoded;
 }
 
-std::string JSON::JSON_number::unparse(size_t) const
+JSON::JSON_bool::JSON_bool(bool val) :
+    value(val)
 {
-    return encoded;
 }
 
-JSON::JSON_bool::JSON_bool(bool val) :
-    value(val)
+void
+JSON::JSON_bool::write(Pipeline* p, size_t) const
 {
+    *p << (value ? "true" : "false");
 }
 
-JSON::JSON_bool::~JSON_bool()
+void
+JSON::JSON_null::write(Pipeline* p, size_t) const
 {
+    *p << "null";
 }
 
-std::string JSON::JSON_bool::unparse(size_t) const
+JSON::JSON_blob::JSON_blob(std::function<void(Pipeline*)> fn) :
+    fn(fn)
 {
-    return value ? "true" : "false";
 }
 
-JSON::JSON_null::~JSON_null()
+void
+JSON::JSON_blob::write(Pipeline* p, size_t) const
 {
+    *p << "\"";
+    Pl_Concatenate cat("blob concatenate", p);
+    Pl_Base64 base64("blob base64", &cat, Pl_Base64::a_encode);
+    fn(&base64);
+    base64.finish();
+    *p << "\"";
 }
 
-std::string JSON::JSON_null::unparse(size_t) const
+void
+JSON::write(Pipeline* p, size_t depth) const
 {
-    return "null";
+    if (nullptr == this->m->value) {
+        *p << "null";
+    } else {
+        this->m->value->write(p, depth);
+    }
 }
 
 std::string
 JSON::unparse() const
 {
-    if (0 == this->m->value.getPointer())
-    {
-        return "null";
-    }
-    else
-    {
-        return this->m->value->unparse(0);
-    }
+    std::string s;
+    Pl_String p("unparse", nullptr, s);
+    write(&p, 0);
+    return s;
 }
 
 std::string
@@ -167,37 +225,35 @@
 {
     std::string result;
     size_t len = str.length();
-    for (size_t i = 0; i < len; ++i)
-    {
+    for (size_t i = 0; i < len; ++i) {
         unsigned char ch = static_cast<unsigned char>(str.at(i));
-        switch (ch)
-        {
-          case '\\':
+        switch (ch) {
+        case '\\':
             result += "\\\\";
             break;
-          case '\"':
+        case '\"':
             result += "\\\"";
             break;
-          case '\b':
+        case '\b':
             result += "\\b";
             break;
-          case '\n':
+        case '\f':
+            result += "\\f";
+            break;
+        case '\n':
             result += "\\n";
             break;
-          case '\r':
+        case '\r':
             result += "\\r";
             break;
-          case '\t':
+        case '\t':
             result += "\\t";
             break;
-          default:
-            if (ch < 32)
-            {
+        default:
+            if (ch < 32) {
                 result += "\\u" + QUtil::int_to_string_base(ch, 16, 4);
-            }
-            else
-            {
-                result.append(1, ch);
+            } else {
+                result.append(1, static_cast<char>(ch));
             }
         }
     }
@@ -207,52 +263,57 @@
 JSON
 JSON::makeDictionary()
 {
-    return JSON(new JSON_dictionary());
+    return JSON(std::make_shared<JSON_dictionary>());
 }
 
 JSON
 JSON::addDictionaryMember(std::string const& key, JSON const& val)
 {
-    JSON_dictionary* obj = dynamic_cast<JSON_dictionary*>(
-        this->m->value.getPointer());
-    if (0 == obj)
-    {
+    JSON_dictionary* obj = dynamic_cast<JSON_dictionary*>(this->m->value.get());
+    if (nullptr == obj) {
         throw std::runtime_error(
             "JSON::addDictionaryMember called on non-dictionary");
     }
-    if (val.m->value.getPointer())
-    {
+    if (val.m->value.get()) {
         obj->membersencode_string(key) = val.m->value;
-    }
-    else
-    {
-        obj->membersencode_string(key) = new JSON_null();
+    } else {
+        obj->membersencode_string(key) = std::make_shared<JSON_null>();
     }
     return obj->membersencode_string(key);
 }
 
+bool
+JSON::checkDictionaryKeySeen(std::string const& key)
+{
+    JSON_dictionary* obj = dynamic_cast<JSON_dictionary*>(this->m->value.get());
+    if (nullptr == obj) {
+        throw std::logic_error(
+            "JSON::checkDictionaryKey called on non-dictionary");
+    }
+    if (obj->parsed_keys.count(key)) {
+        return true;
+    }
+    obj->parsed_keys.insert(key);
+    return false;
+}
+
 JSON
 JSON::makeArray()
 {
-    return JSON(new JSON_array());
+    return JSON(std::make_shared<JSON_array>());
 }
 
 JSON
 JSON::addArrayElement(JSON const& val)
 {
-    JSON_array* arr = dynamic_cast<JSON_array*>(
-        this->m->value.getPointer());
-    if (0 == arr)
-    {
+    JSON_array* arr = dynamic_cast<JSON_array*>(this->m->value.get());
+    if (nullptr == arr) {
         throw std::runtime_error("JSON::addArrayElement called on non-array");
     }
-    if (val.m->value.getPointer())
-    {
+    if (val.m->value.get()) {
         arr->elements.push_back(val.m->value);
-    }
-    else
-    {
-        arr->elements.push_back(new JSON_null());
+    } else {
+        arr->elements.push_back(std::make_shared<JSON_null>());
     }
     return arr->elements.back();
 }
@@ -260,52 +321,149 @@
 JSON
 JSON::makeString(std::string const& utf8)
 {
-    return JSON(new JSON_string(utf8));
+    return JSON(std::make_shared<JSON_string>(utf8));
 }
 
 JSON
 JSON::makeInt(long long int value)
 {
-    return JSON(new JSON_number(value));
+    return JSON(std::make_shared<JSON_number>(value));
 }
 
 JSON
 JSON::makeReal(double value)
 {
-    return JSON(new JSON_number(value));
+    return JSON(std::make_shared<JSON_number>(value));
 }
 
 JSON
 JSON::makeNumber(std::string const& encoded)
 {
-    return JSON(new JSON_number(encoded));
+    return JSON(std::make_shared<JSON_number>(encoded));
 }
 
 JSON
 JSON::makeBool(bool value)
 {
-    return JSON(new JSON_bool(value));
+    return JSON(std::make_shared<JSON_bool>(value));
 }
 
 JSON
 JSON::makeNull()
 {
-    return JSON(new JSON_null());
+    return JSON(std::make_shared<JSON_null>());
+}
+
+JSON
+JSON::makeBlob(std::function<void(Pipeline*)> fn)
+{
+    return JSON(std::make_shared<JSON_blob>(fn));
+}
+
+bool
+JSON::isArray() const
+{
+    return nullptr != dynamic_cast<JSON_array const*>(this->m->value.get());
+}
+
+bool
+JSON::isDictionary() const
+{
+    return nullptr !=
+        dynamic_cast<JSON_dictionary const*>(this->m->value.get());
+}
+
+bool
+JSON::getString(std::string& utf8) const
+{
+    auto v = dynamic_cast<JSON_string const*>(this->m->value.get());
+    if (v == nullptr) {
+        return false;
+    }
+    utf8 = v->utf8;
+    return true;
+}
+
+bool
+JSON::getNumber(std::string& value) const
+{
+    auto v = dynamic_cast<JSON_number const*>(this->m->value.get());
+    if (v == nullptr) {
+        return false;
+    }
+    value = v->encoded;
+    return true;
+}
+
+bool
+JSON::getBool(bool& value) const
+{
+    auto v = dynamic_cast<JSON_bool const*>(this->m->value.get());
+    if (v == nullptr) {
+        return false;
+    }
+    value = v->value;
+    return true;
+}
+
+bool
+JSON::isNull() const
+{
+    if (dynamic_cast<JSON_null const*>(this->m->value.get())) {
+        return true;
+    }
+    return false;
+}
+
+bool
+JSON::forEachDictItem(
+    std::function<void(std::string const& key, JSON value)> fn) const
+{
+    auto v = dynamic_cast<JSON_dictionary const*>(this->m->value.get());
+    if (v == nullptr) {
+        return false;
+    }
+    for (auto const& k: v->members) {
+        fn(k.first, JSON(k.second));
+    }
+    return true;
+}
+
+bool
+JSON::forEachArrayItem(std::function<void(JSON value)> fn) const
+{
+    auto v = dynamic_cast<JSON_array const*>(this->m->value.get());
+    if (v == nullptr) {
+        return false;
+    }
+    for (auto const& i: v->elements) {
+        fn(JSON(i));
+    }
+    return true;
 }
 
 bool
 JSON::checkSchema(JSON schema, std::list<std::string>& errors)
 {
-    return checkSchemaInternal(this->m->value.getPointer(),
-                               schema.m->value.getPointer(),
-                               errors, "");
+    return checkSchemaInternal(
+        this->m->value.get(), schema.m->value.get(), 0, errors, "");
 }
 
+bool
+JSON::checkSchema(
+    JSON schema, unsigned long flags, std::list<std::string>& errors)
+{
+    return checkSchemaInternal(
+        this->m->value.get(), schema.m->value.get(), flags, errors, "");
+}
 
 bool
-JSON::checkSchemaInternal(JSON_value* this_v, JSON_value* sch_v,
-                          std::list<std::string>& errors,
-                          std::string prefix)
+JSON::checkSchemaInternal(
+    JSON_value* this_v,
+    JSON_value* sch_v,
+    unsigned long flags,
+    std::list<std::string>& errors,
+    std::string prefix)
 {
     JSON_array* this_arr = dynamic_cast<JSON_array*>(this_v);
     JSON_dictionary* this_dict = dynamic_cast<JSON_dictionary*>(this_v);
@@ -313,84 +471,921 @@
     JSON_array* sch_arr = dynamic_cast<JSON_array*>(sch_v);
     JSON_dictionary* sch_dict = dynamic_cast<JSON_dictionary*>(sch_v);
 
+    JSON_string* sch_str = dynamic_cast<JSON_string*>(sch_v);
+
     std::string err_prefix;
-    if (prefix.empty())
-    {
+    if (prefix.empty()) {
         err_prefix = "top-level object";
-    }
-    else
-    {
+    } else {
         err_prefix = "json key \"" + prefix + "\"";
     }
 
-    if (sch_dict)
-    {
-        if (! this_dict)
-        {
+    std::string pattern_key;
+    if (sch_dict) {
+        if (!this_dict) {
             QTC::TC("libtests", "JSON wanted dictionary");
             errors.push_back(err_prefix + " is supposed to be a dictionary");
             return false;
         }
-        for (std::map<std::string, PointerHolder<JSON_value> >::iterator iter =
-                 sch_dict->members.begin();
-             iter != sch_dict->members.end(); ++iter)
-        {
-            std::string const& key = (*iter).first;
-            if (this_dict->members.count(key))
-            {
+        auto members = sch_dict->members;
+        std::string key;
+        if ((members.size() == 1) &&
+            ((key = members.begin()->first, key.length() > 2) &&
+             (key.at(0) == '<') && (key.at(key.length() - 1) == '>'))) {
+            pattern_key = key;
+        }
+    }
+
+    if (sch_dict && (!pattern_key.empty())) {
+        auto pattern_schema = sch_dict->memberspattern_key.get();
+        for (auto const& iter: this_dict->members) {
+            std::string const& key = iter.first;
+            checkSchemaInternal(
+                this_dict->memberskey.get(),
+                pattern_schema,
+                flags,
+                errors,
+                prefix + "." + key);
+        }
+    } else if (sch_dict) {
+        for (auto& iter: sch_dict->members) {
+            std::string const& key = iter.first;
+            if (this_dict->members.count(key)) {
                 checkSchemaInternal(
-                    this_dict->memberskey.getPointer(),
-                    (*iter).second.getPointer(),
-                    errors, prefix + "." + key);
-            }
-            else
-            {
-                QTC::TC("libtests", "JSON key missing in object");
-                errors.push_back(
-                    err_prefix + ": key \"" + key +
-                    "\" is present in schema but missing in object");
+                    this_dict->memberskey.get(),
+                    iter.second.get(),
+                    flags,
+                    errors,
+                    prefix + "." + key);
+            } else {
+                if (flags & f_optional) {
+                    QTC::TC("libtests", "JSON optional key");
+                } else {
+                    QTC::TC("libtests", "JSON key missing in object");
+                    errors.push_back(
+                        err_prefix + ": key \"" + key +
+                        "\" is present in schema but missing in object");
+                }
             }
         }
-        for (std::map<std::string, PointerHolder<JSON_value> >::iterator iter =
-                 this_dict->members.begin();
-             iter != this_dict->members.end(); ++iter)
-        {
-            std::string const& key = (*iter).first;
-            if (sch_dict->members.count(key) == 0)
-            {
+        for (auto const& iter: this_dict->members) {
+            std::string const& key = iter.first;
+            if (sch_dict->members.count(key) == 0) {
                 QTC::TC("libtests", "JSON key extra in object");
                 errors.push_back(
                     err_prefix + ": key \"" + key +
                     "\" is not present in schema but appears in object");
             }
         }
+    } else if (sch_arr) {
+        auto n_elements = sch_arr->elements.size();
+        if (n_elements == 1) {
+            // A single-element array in the schema allows a single
+            // element in the object or a variable-length array, each
+            // of whose items must conform to the single element of
+            // the schema array. This doesn't apply to arrays of
+            // arrays -- we fall back to the behavior of allowing a
+            // single item only when the object is not an array.
+            if (this_arr) {
+                int i = 0;
+                for (auto const& element: this_arr->elements) {
+                    checkSchemaInternal(
+                        element.get(),
+                        sch_arr->elements.at(0).get(),
+                        flags,
+                        errors,
+                        prefix + "." + QUtil::int_to_string(i));
+                    ++i;
+                }
+            } else {
+                QTC::TC("libtests", "JSON schema array for single item");
+                checkSchemaInternal(
+                    this_v,
+                    sch_arr->elements.at(0).get(),
+                    flags,
+                    errors,
+                    prefix);
+            }
+        } else if (!this_arr || (this_arr->elements.size() != n_elements)) {
+            QTC::TC("libtests", "JSON schema array length mismatch");
+            errors.push_back(
+                err_prefix + " is supposed to be an array of length " +
+                QUtil::uint_to_string(n_elements));
+            return false;
+        } else {
+            // A multi-element array in the schema must correspond to
+            // an element of the same length in the object. Each
+            // element in the object is validated against the
+            // corresponding element in the schema.
+            size_t i = 0;
+            for (auto const& element: this_arr->elements) {
+                checkSchemaInternal(
+                    element.get(),
+                    sch_arr->elements.at(i).get(),
+                    flags,
+                    errors,
+                    prefix + "." + QUtil::uint_to_string(i));
+                ++i;
+            }
+        }
+    } else if (!sch_str) {
+        QTC::TC("libtests", "JSON schema other type");
+        errors.push_back(
+            err_prefix + " schema value is not dictionary, array, or string");
+        return false;
     }
-    else if (sch_arr)
+
+    return errors.empty();
+}
+
+namespace
+{
+    class JSONParser
     {
-        if (! this_arr)
+      public:
+        JSONParser(InputSource& is, JSON::Reactor* reactor) :
+            is(is),
+            reactor(reactor),
+            lex_state(ls_top),
+            number_before_point(0),
+            number_after_point(0),
+            number_after_e(0),
+            number_saw_point(false),
+            number_saw_e(false),
+            bytes(0),
+            p(buf),
+            u_count(0),
+            offset(0),
+            done(false),
+            parser_state(ps_top),
+            dict_key_offset(0)
         {
-            QTC::TC("libtests", "JSON wanted array");
-            errors.push_back(err_prefix + " is supposed to be an array");
-            return false;
         }
-        if (sch_arr->elements.size() != 1)
+
+        std::shared_ptr<JSON> parse();
+
+      private:
+        void getToken();
+        void handleToken();
+        static std::string
+        decode_string(std::string const& json, qpdf_offset_t offset);
+        static void handle_u_code(
+            char const* s,
+            qpdf_offset_t offset,
+            qpdf_offset_t i,
+            unsigned long& high_surrogate,
+            qpdf_offset_t& high_offset,
+            std::string& result);
+
+        enum parser_state_e {
+            ps_top,
+            ps_dict_begin,
+            ps_dict_after_key,
+            ps_dict_after_colon,
+            ps_dict_after_item,
+            ps_dict_after_comma,
+            ps_array_begin,
+            ps_array_after_item,
+            ps_array_after_comma,
+            ps_done,
+        };
+
+        enum lex_state_e {
+            ls_top,
+            ls_number,
+            ls_alpha,
+            ls_string,
+            ls_backslash,
+            ls_u4,
+        };
+
+        InputSource& is;
+        JSON::Reactor* reactor;
+        lex_state_e lex_state;
+        size_t number_before_point;
+        size_t number_after_point;
+        size_t number_after_e;
+        bool number_saw_point;
+        bool number_saw_e;
+        char buf16384;
+        size_t bytes;
+        char const* p;
+        qpdf_offset_t u_count;
+        qpdf_offset_t offset;
+        bool done;
+        std::string token;
+        parser_state_e parser_state;
+        std::vector<std::shared_ptr<JSON>> stack;
+        std::vector<parser_state_e> ps_stack;
+        std::string dict_key;
+        qpdf_offset_t dict_key_offset;
+    };
+} // namespace
+
+void
+JSONParser::handle_u_code(
+    char const* s,
+    qpdf_offset_t offset,
+    qpdf_offset_t i,
+    unsigned long& high_surrogate,
+    qpdf_offset_t& high_offset,
+    std::string& result)
+{
+    std::string hex = QUtil::hex_decode(std::string(s + i + 1, s + i + 5));
+    unsigned char high = static_cast<unsigned char>(hex.at(0));
+    unsigned char low = static_cast<unsigned char>(hex.at(1));
+    unsigned long codepoint = high;
+    codepoint <<= 8;
+    codepoint += low;
+    if ((codepoint & 0xFC00) == 0xD800) {
+        // high surrogate
+        qpdf_offset_t new_high_offset = offset + i;
+        if (high_offset) {
+            QTC::TC("libtests", "JSON 16 high high");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(new_high_offset) +
+                ": UTF-16 high surrogate found after previous high surrogate"
+                " at offset " +
+                QUtil::int_to_string(high_offset));
+        }
+        high_offset = new_high_offset;
+        high_surrogate = codepoint;
+    } else if ((codepoint & 0xFC00) == 0xDC00) {
+        // low surrogate
+        if (offset + i != (high_offset + 6)) {
+            QTC::TC("libtests", "JSON 16 low not after high");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset + i) +
+                ": UTF-16 low surrogate found not immediately after high"
+                " surrogate");
+        }
+        high_offset = 0;
+        codepoint =
+            0x10000U + ((high_surrogate & 0x3FFU) << 10U) + (codepoint & 0x3FF);
+        result += QUtil::toUTF8(codepoint);
+    } else {
+        result += QUtil::toUTF8(codepoint);
+    }
+}
+
+std::string
+JSONParser::decode_string(std::string const& str, qpdf_offset_t offset)
+{
+    // The string has already been validated when this private method
+    // is called, so errors are logic errors instead of runtime
+    // errors.
+    size_t len = str.length();
+    if ((len < 2) || (str.at(0) != '"') || (str.at(len - 1) != '"')) {
+        throw std::logic_error(
+            "JSON Parse: decode_string called with other than \"...\"");
+    }
+    char const* s = str.c_str();
+    // Move inside the quotation marks
+    ++s;
+    len -= 2;
+    // Keep track of UTF-16 surrogate pairs.
+    unsigned long high_surrogate = 0;
+    qpdf_offset_t high_offset = 0;
+    std::string result;
+    qpdf_offset_t olen = toO(len);
+    for (qpdf_offset_t i = 0; i < olen; ++i) {
+        if (si == '\\') {
+            if (i + 1 >= olen) {
+                throw std::logic_error("JSON parse: nothing after \\");
+            }
+            char ch = s++i;
+            switch (ch) {
+            case '\\':
+            case '\"':
+            case '/':
+                // \/ is allowed in json input, but so is /, so we
+                // don't map / to \/ in output.
+                result.append(1, ch);
+                break;
+            case 'b':
+                result.append(1, '\b');
+                break;
+            case 'f':
+                result.append(1, '\f');
+                break;
+            case 'n':
+                result.append(1, '\n');
+                break;
+            case 'r':
+                result.append(1, '\r');
+                break;
+            case 't':
+                result.append(1, '\t');
+                break;
+            case 'u':
+                if (i + 4 >= olen) {
+                    throw std::logic_error(
+                        "JSON parse: not enough characters after \\u");
+                }
+                handle_u_code(
+                    s, offset, i, high_surrogate, high_offset, result);
+                i += 4;
+                break;
+            default:
+                throw std::logic_error("JSON parse: bad character after \\");
+                break;
+            }
+        } else {
+            result.append(1, si);
+        }
+    }
+    if (high_offset) {
+        QTC::TC("libtests", "JSON 16 dangling high");
+        throw std::runtime_error(
+            "JSON: offset " + QUtil::int_to_string(high_offset) +
+            ": UTF-16 high surrogate not followed by low surrogate");
+    }
+    return result;
+}
+
+void
+JSONParser::getToken()
+{
+    enum { append, ignore, reread } action = append;
+    bool ready = false;
+    token.clear();
+    while (!done) {
+        if (p == (buf + bytes)) {
+            p = buf;
+            bytes = is.read(buf, sizeof(buf));
+            if (bytes == 0) {
+                done = true;
+                break;
+            }
+        }
+
+        if (*p == 0) {
+            QTC::TC("libtests", "JSON parse null character");
+            throw std::runtime_error(
+                "JSON: null character at offset " +
+                QUtil::int_to_string(offset));
+        }
+        action = append;
+        switch (lex_state) {
+        case ls_top:
+            if (*p == '"') {
+                lex_state = ls_string;
+            } else if (QUtil::is_space(*p)) {
+                action = ignore;
+            } else if ((*p >= 'a') && (*p <= 'z')) {
+                lex_state = ls_alpha;
+            } else if (*p == '-') {
+                lex_state = ls_number;
+                number_before_point = 0;
+                number_after_point = 0;
+                number_after_e = 0;
+                number_saw_point = false;
+                number_saw_e = false;
+            } else if ((*p >= '0') && (*p <= '9')) {
+                lex_state = ls_number;
+                number_before_point = 1;
+                number_after_point = 0;
+                number_after_e = 0;
+                number_saw_point = false;
+                number_saw_e = false;
+            } else if (*p == '.') {
+                lex_state = ls_number;
+                number_before_point = 0;
+                number_after_point = 0;
+                number_after_e = 0;
+                number_saw_point = true;
+                number_saw_e = false;
+            } else if (strchr("{}:,", *p)) {
+                ready = true;
+            } else {
+                QTC::TC("libtests", "JSON parse bad character");
+                throw std::runtime_error(
+                    "JSON: offset " + QUtil::int_to_string(offset) +
+                    ": unexpected character " + std::string(p, 1));
+            }
+            break;
+
+        case ls_number:
+            if ((*p >= '0') && (*p <= '9')) {
+                if (number_saw_e) {
+                    ++number_after_e;
+                } else if (number_saw_point) {
+                    ++number_after_point;
+                } else {
+                    ++number_before_point;
+                }
+            } else if (*p == '.') {
+                if (number_saw_e) {
+                    QTC::TC("libtests", "JSON parse point after e");
+                    throw std::runtime_error(
+                        "JSON: offset " + QUtil::int_to_string(offset) +
+                        ": numeric literal: decimal point after e");
+                } else if (number_saw_point) {
+                    QTC::TC("libtests", "JSON parse duplicate point");
+                    throw std::runtime_error(
+                        "JSON: offset " + QUtil::int_to_string(offset) +
+                        ": numeric literal: decimal point already seen");
+                } else {
+                    number_saw_point = true;
+                }
+            } else if (*p == 'e') {
+                if (number_saw_e) {
+                    QTC::TC("libtests", "JSON parse duplicate e");
+                    throw std::runtime_error(
+                        "JSON: offset " + QUtil::int_to_string(offset) +
+                        ": numeric literal: e already seen");
+                } else {
+                    number_saw_e = true;
+                }
+            } else if ((*p == '+') || (*p == '-')) {
+                if (number_saw_e && (number_after_e == 0)) {
+                    // okay
+                } else {
+                    QTC::TC("libtests", "JSON parse unexpected sign");
+                    throw std::runtime_error(
+                        "JSON: offset " + QUtil::int_to_string(offset) +
+                        ": numeric literal: unexpected sign");
+                }
+            } else if (QUtil::is_space(*p)) {
+                action = ignore;
+                ready = true;
+            } else if (strchr("{}:,", *p)) {
+                action = reread;
+                ready = true;
+            } else {
+                QTC::TC("libtests", "JSON parse numeric bad character");
+                throw std::runtime_error(
+                    "JSON: offset " + QUtil::int_to_string(offset) +
+                    ": numeric literal: unexpected character " +
+                    std::string(p, 1));
+            }
+            break;
+
+        case ls_alpha:
+            if ((*p >= 'a') && (*p <= 'z')) {
+                // okay
+            } else if (QUtil::is_space(*p)) {
+                action = ignore;
+                ready = true;
+            } else if (strchr("{}:,", *p)) {
+                action = reread;
+                ready = true;
+            } else {
+                QTC::TC("libtests", "JSON parse keyword bad character");
+                throw std::runtime_error(
+                    "JSON: offset " + QUtil::int_to_string(offset) +
+                    ": keyword: unexpected character " + std::string(p, 1));
+            }
+            break;
+
+        case ls_string:
+            if (*p == '"') {
+                ready = true;
+            } else if (*p == '\\') {
+                lex_state = ls_backslash;
+            }
+            break;
+
+        case ls_backslash:
+            /* cSpell: ignore bfnrt */
+            if (strchr("\\\"/bfnrt", *p)) {
+                lex_state = ls_string;
+            } else if (*p == 'u') {
+                lex_state = ls_u4;
+                u_count = 0;
+            } else {
+                QTC::TC("libtests", "JSON parse backslash bad character");
+                throw std::runtime_error(
+                    "JSON: offset " + QUtil::int_to_string(offset) +
+                    ": invalid character after backslash: " +
+                    std::string(p, 1));
+            }
+            break;
+
+        case ls_u4:
+            if (!QUtil::is_hex_digit(*p)) {
+                QTC::TC("libtests", "JSON parse bad hex after u");
+                throw std::runtime_error(
+                    "JSON: offset " +
+                    QUtil::int_to_string(offset - u_count - 1) +
+                    ": \\u must be followed by four hex digits");
+            }
+            if (++u_count == 4) {
+                lex_state = ls_string;
+            }
+            break;
+        }
+        switch (action) {
+        case reread:
+            break;
+        case append:
+            token.append(1, *p);
+            // fall through
+        case ignore:
+            ++p;
+            ++offset;
+            break;
+        }
+        if (ready) {
+            break;
+        }
+    }
+    if (done) {
+        if ((!token.empty()) && (!ready)) {
+            switch (lex_state) {
+            case ls_top:
+                // Can't happen
+                throw std::logic_error("tok_start set in ls_top while parsing");
+                break;
+
+            case ls_number:
+            case ls_alpha:
+                // okay
+                break;
+
+            case ls_u4:
+                QTC::TC("libtests", "JSON parse premature end of u");
+                throw std::runtime_error(
+                    "JSON: offset " +
+                    QUtil::int_to_string(offset - u_count - 1) +
+                    ": \\u must be followed by four characters");
+
+            case ls_string:
+            case ls_backslash:
+                QTC::TC("libtests", "JSON parse unterminated string");
+                throw std::runtime_error(
+                    "JSON: offset " + QUtil::int_to_string(offset) +
+                    ": unterminated string");
+                break;
+            }
+        }
+    }
+}
+
+void
+JSONParser::handleToken()
+{
+    if (token.empty()) {
+        return;
+    }
+
+    if (parser_state == ps_done) {
+        QTC::TC("libtests", "JSON parse junk after object");
+        throw std::runtime_error(
+            "JSON: offset " + QUtil::int_to_string(offset) +
+            ": material follows end of object: " + token);
+    }
+
+    // Git string value
+    std::string s_value;
+    if (lex_state == ls_string) {
+        // Token includes the quotation marks
+        if (token.length() < 2) {
+            throw std::logic_error("JSON string length < 2");
+        }
+        s_value = decode_string(token, offset - toO(token.length()));
+    }
+    // Based on the lexical state and value, figure out whether we are
+    // looking at an item or a delimiter. It will always be exactly
+    // one of those two or an error condition.
+
+    std::shared_ptr<JSON> item;
+    char delimiter = '\0';
+    // Already verified that token is not empty
+    char first_char = token.at(0);
+    switch (lex_state) {
+    case ls_top:
+        switch (first_char) {
+        case '{':
+            item = std::make_shared<JSON>(JSON::makeDictionary());
+            item->setStart(offset - toO(token.length()));
+            break;
+
+        case '':
+            item = std::make_shared<JSON>(JSON::makeArray());
+            item->setStart(offset - toO(token.length()));
+            break;
+
+        default:
+            delimiter = first_char;
+            break;
+        }
+        break;
+
+    case ls_number:
+        if (number_saw_point && (number_after_point == 0)) {
+            QTC::TC("libtests", "JSON parse decimal with no digits");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": decimal point with no digits");
+        }
+        if ((number_before_point > 1) &&
+            ((first_char == '0') ||
+             ((first_char == '-') && (token.at(1) == '0')))) {
+            QTC::TC("libtests", "JSON parse leading zero");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": number with leading zero");
+        }
+        if ((number_before_point == 0) && (number_after_point == 0)) {
+            QTC::TC("libtests", "JSON parse number no digits");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": number with no digits");
+        }
+        item = std::make_shared<JSON>(JSON::makeNumber(token));
+        break;
+
+    case ls_alpha:
+        if (token == "true") {
+            item = std::make_shared<JSON>(JSON::makeBool(true));
+        } else if (token == "false") {
+            item = std::make_shared<JSON>(JSON::makeBool(false));
+        } else if (token == "null") {
+            item = std::make_shared<JSON>(JSON::makeNull());
+        } else {
+            QTC::TC("libtests", "JSON parse invalid keyword");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": invalid keyword " + token);
+        }
+        break;
+
+    case ls_string:
+        item = std::make_shared<JSON>(JSON::makeString(s_value));
+        break;
+
+    case ls_backslash:
+    case ls_u4:
+        throw std::logic_error(
+            "tok_end is set while state = ls_backslash or ls_u4");
+        break;
+    }
+
+    if ((item == nullptr) == (delimiter == '\0')) {
+        throw std::logic_error(
+            "JSONParser::handleToken: logic error: exactly one of item"
+            " or delimiter must be set");
+    }
+
+    // See whether what we have is allowed at this point.
+
+    if (item.get()) {
+        switch (parser_state) {
+        case ps_done:
+            throw std::logic_error("can't happen; ps_done already handled");
+            break;
+
+        case ps_dict_after_key:
+            QTC::TC("libtests", "JSON parse expected colon");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": expected ':'");
+            break;
+
+        case ps_dict_after_item:
+            QTC::TC("libtests", "JSON parse expected , or }");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": expected ',' or '}'");
+            break;
+
+        case ps_array_after_item:
+            QTC::TC("libtests", "JSON parse expected, or ");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": expected ',' or ''");
+            break;
+
+        case ps_dict_begin:
+        case ps_dict_after_comma:
+            if (lex_state != ls_string) {
+                QTC::TC("libtests", "JSON parse string as dict key");
+                throw std::runtime_error(
+                    "JSON: offset " + QUtil::int_to_string(offset) +
+                    ": expect string as dictionary key");
+            }
+            break;
+
+        case ps_top:
+        case ps_dict_after_colon:
+        case ps_array_begin:
+        case ps_array_after_comma:
+            break;
+            // okay
+        }
+    } else if (delimiter == '}') {
+        if (!((parser_state == ps_dict_begin) ||
+              (parser_state == ps_dict_after_item)))
+
         {
-            QTC::TC("libtests", "JSON schema array error");
-            errors.push_back(err_prefix +
-                             " schema array contains other than one item");
-            return false;
+            QTC::TC("libtests", "JSON parse unexpected }");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": unexpected dictionary end delimiter");
         }
-        int i = 0;
-        for (std::vector<PointerHolder<JSON_value> >::iterator iter =
-                 this_arr->elements.begin();
-             iter != this_arr->elements.end(); ++iter, ++i)
+    } else if (delimiter == '') {
+        if (!((parser_state == ps_array_begin) ||
+              (parser_state == ps_array_after_item)))
+
         {
-            checkSchemaInternal(
-                (*iter).getPointer(),
-                sch_arr->elements.at(0).getPointer(),
-                errors, prefix + "." + QUtil::int_to_string(i));
+            QTC::TC("libtests", "JSON parse unexpected ");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": unexpected array end delimiter");
+        }
+    } else if (delimiter == ':') {
+        if (parser_state != ps_dict_after_key) {
+            QTC::TC("libtests", "JSON parse unexpected :");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": unexpected colon");
         }
+    } else if (delimiter == ',') {
+        if (!((parser_state == ps_dict_after_item) ||
+              (parser_state == ps_array_after_item))) {
+            QTC::TC("libtests", "JSON parse unexpected ,");
+            throw std::runtime_error(
+                "JSON: offset " + QUtil::int_to_string(offset) +
+                ": unexpected comma");
+        }
+    } else if (delimiter != '\0') {
+        throw std::logic_error("JSONParser::handleToken: bad delimiter");
     }
 
-    return errors.empty();
+    // Now we know we have a delimiter or item that is allowed. Do
+    // whatever we need to do with it.
+
+    parser_state_e next_state = ps_top;
+    if (delimiter == ':') {
+        next_state = ps_dict_after_colon;
+    } else if (delimiter == ',') {
+        if (parser_state == ps_dict_after_item) {
+            next_state = ps_dict_after_comma;
+        } else if (parser_state == ps_array_after_item) {
+            next_state = ps_array_after_comma;
+        } else {
+            throw std::logic_error("JSONParser::handleToken: unexpected parser"
+                                   " state for comma");
+        }
+    } else if ((delimiter == '}') || (delimiter == '')) {
+        next_state = ps_stack.back();
+        ps_stack.pop_back();
+        auto tos = stack.back();
+        tos->setEnd(offset);
+        if (reactor) {
+            reactor->containerEnd(*tos);
+        }
+        if (next_state != ps_done) {
+            stack.pop_back();
+        }
+    } else if (delimiter != '\0') {
+        throw std::logic_error(
+            "JSONParser::handleToken: unexpected delimiter in transition");
+    } else if (item.get()) {
+        if (!(item->isArray() || item->isDictionary())) {
+            item->setStart(offset - toO(token.length()));
+            item->setEnd(offset);
+        }
+
+        std::shared_ptr<JSON> tos;
+        if (!stack.empty()) {
+            tos = stack.back();
+        }
+        switch (parser_state) {
+        case ps_dict_begin:
+        case ps_dict_after_comma:
+            this->dict_key = s_value;
+            this->dict_key_offset = item->getStart();
+            item = nullptr;
+            next_state = ps_dict_after_key;
+            break;
+
+        case ps_dict_after_colon:
+            if (tos->checkDictionaryKeySeen(dict_key)) {
+                QTC::TC("libtests", "JSON parse duplicate key");
+                throw std::runtime_error(
+                    "JSON: offset " + QUtil::int_to_string(dict_key_offset) +
+                    ": duplicated dictionary key");
+            }
+            if (!reactor || !reactor->dictionaryItem(dict_key, *item)) {
+                tos->addDictionaryMember(dict_key, *item);
+            }
+            next_state = ps_dict_after_item;
+            break;
+
+        case ps_array_begin:
+        case ps_array_after_comma:
+            if (!reactor || !reactor->arrayItem(*item)) {
+                tos->addArrayElement(*item);
+            }
+            next_state = ps_array_after_item;
+            break;
+
+        case ps_top:
+            next_state = ps_done;
+            break;
+
+        case ps_dict_after_key:
+        case ps_dict_after_item:
+        case ps_array_after_item:
+        case ps_done:
+            throw std::logic_error(
+                "JSONParser::handleToken: unexpected parser state");
+        }
+    } else {
+        throw std::logic_error(
+            "JSONParser::handleToken: unexpected null item in transition");
+    }
+
+    if (reactor && item.get()) {
+        // Calling container start method is postponed until after
+        // adding the containers to their parent containers, if any.
+        // This makes it much easier to keep track of the current
+        // nesting level.
+        if (item->isDictionary()) {
+            reactor->dictionaryStart();
+        } else if (item->isArray()) {
+            reactor->arrayStart();
+        }
+    }
+
+    // Prepare for next token
+    if (item.get()) {
+        if (item->isDictionary()) {
+            stack.push_back(item);
+            ps_stack.push_back(next_state);
+            next_state = ps_dict_begin;
+        } else if (item->isArray()) {
+            stack.push_back(item);
+            ps_stack.push_back(next_state);
+            next_state = ps_array_begin;
+        } else if (parser_state == ps_top) {
+            stack.push_back(item);
+        }
+    }
+    if (ps_stack.size() > 500) {
+        throw std::runtime_error(
+            "JSON: offset " + QUtil::int_to_string(offset) +
+            ": maximum object depth exceeded");
+    }
+    parser_state = next_state;
+    lex_state = ls_top;
+}
+
+std::shared_ptr<JSON>
+JSONParser::parse()
+{
+    while (!done) {
+        getToken();
+        handleToken();
+    }
+    if (parser_state != ps_done) {
+        QTC::TC("libtests", "JSON parse premature EOF");
+        throw std::runtime_error("JSON: premature end of input");
+    }
+    auto const& tos = stack.back();
+    if (reactor && tos.get() && !(tos->isArray() || tos->isDictionary())) {
+        reactor->topLevelScalar();
+    }
+    return tos;
+}
+
+JSON
+JSON::parse(InputSource& is, Reactor* reactor)
+{
+    JSONParser jp(is, reactor);
+    return *jp.parse();
+}
+
+JSON
+JSON::parse(std::string const& s)
+{
+    BufferInputSource bis("json input", s);
+    JSONParser jp(bis, nullptr);
+    return *jp.parse();
+}
+
+void
+JSON::setStart(qpdf_offset_t start)
+{
+    this->m->start = start;
+}
+
+void
+JSON::setEnd(qpdf_offset_t end)
+{
+    this->m->end = end;
+}
+
+qpdf_offset_t
+JSON::getStart() const
+{
+    return this->m->start;
+}
+
+qpdf_offset_t
+JSON::getEnd() const
+{
+    return this->m->end;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/JSONHandler.cc Added

@@ -0,0 +1,152 @@
+#include <qpdf/JSONHandler.hh>
+
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+JSONHandler::JSONHandler() :
+    m(new Members())
+{
+}
+
+void
+JSONHandler::usage(std::string const& msg)
+{
+    throw QPDFUsage(msg);
+}
+
+void
+JSONHandler::addAnyHandler(json_handler_t fn)
+{
+    this->m->h.any_handler = fn;
+}
+
+void
+JSONHandler::addNullHandler(void_handler_t fn)
+{
+    this->m->h.null_handler = fn;
+}
+
+void
+JSONHandler::addStringHandler(string_handler_t fn)
+{
+    this->m->h.string_handler = fn;
+}
+
+void
+JSONHandler::addNumberHandler(string_handler_t fn)
+{
+    this->m->h.number_handler = fn;
+}
+
+void
+JSONHandler::addBoolHandler(bool_handler_t fn)
+{
+    this->m->h.bool_handler = fn;
+}
+
+void
+JSONHandler::addDictHandlers(json_handler_t start_fn, void_handler_t end_fn)
+{
+    this->m->h.dict_start_handler = start_fn;
+    this->m->h.dict_end_handler = end_fn;
+}
+
+void
+JSONHandler::addDictKeyHandler(
+    std::string const& key, std::shared_ptr<JSONHandler> dkh)
+{
+    this->m->h.dict_handlerskey = dkh;
+}
+
+void
+JSONHandler::addFallbackDictHandler(std::shared_ptr<JSONHandler> fdh)
+{
+    this->m->h.fallback_dict_handler = fdh;
+}
+
+void
+JSONHandler::addArrayHandlers(
+    json_handler_t start_fn,
+    void_handler_t end_fn,
+    std::shared_ptr<JSONHandler> ah)
+{
+    this->m->h.array_start_handler = start_fn;
+    this->m->h.array_end_handler = end_fn;
+    this->m->h.array_item_handler = ah;
+}
+
+void
+JSONHandler::handle(std::string const& path, JSON j)
+{
+    if (this->m->h.any_handler) {
+        this->m->h.any_handler(path, j);
+        return;
+    }
+    bool handled = false;
+    bool bvalue = false;
+    std::string s_value;
+    if (this->m->h.null_handler && j.isNull()) {
+        this->m->h.null_handler(path);
+        handled = true;
+    }
+    if (this->m->h.string_handler && j.getString(s_value)) {
+        this->m->h.string_handler(path, s_value);
+        handled = true;
+    }
+    if (this->m->h.number_handler && j.getNumber(s_value)) {
+        this->m->h.number_handler(path, s_value);
+        handled = true;
+    }
+    if (this->m->h.bool_handler && j.getBool(bvalue)) {
+        this->m->h.bool_handler(path, bvalue);
+        handled = true;
+    }
+    if (this->m->h.dict_start_handler && j.isDictionary()) {
+        this->m->h.dict_start_handler(path, j);
+        std::string path_base = path;
+        if (path_base != ".") {
+            path_base += ".";
+        }
+        j.forEachDictItem(&path, &path_base, this(
+                              std::string const& k, JSON v) {
+            auto i = this->m->h.dict_handlers.find(k);
+            if (i == this->m->h.dict_handlers.end()) {
+                if (this->m->h.fallback_dict_handler.get()) {
+                    this->m->h.fallback_dict_handler->handle(path_base + k, v);
+                } else {
+                    QTC::TC("libtests", "JSONHandler unexpected key");
+                    usage(
+                        "JSON handler found unexpected key " + k +
+                        " in object at " + path);
+                }
+            } else {
+                i->second->handle(path_base + k, v);
+            }
+        });
+        this->m->h.dict_end_handler(path);
+        handled = true;
+    }
+    if (this->m->h.array_start_handler && j.isArray()) {
+        this->m->h.array_start_handler(path, j);
+        size_t i = 0;
+        j.forEachArrayItem(&i, &path, this(JSON v) {
+            this->m->h.array_item_handler->handle(
+                path + "" + QUtil::uint_to_string(i) + "", v);
+            ++i;
+        });
+        this->m->h.array_end_handler(path);
+        handled = true;
+    }
+
+    if (!handled) {
+        // It would be nice to include information about what type the
+        // object was and what types were allowed, but we're relying
+        // on schema validation to make sure input is properly
+        // structured before calling the handlers. It would be
+        // different if this code were trying to be part of a
+        // general-purpose JSON package.
+        QTC::TC("libtests", "JSONHandler unhandled value");
+        usage("JSON handler: value at " + path + " is not of expected type");
+    }
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/MD5.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/MD5.cc Changed

@@ -1,394 +1,130 @@
-// This file implements a class for computation of MD5 checksums.
-// It is derived from the reference algorithm for MD5 as given in
-// RFC 1321.  The original copyright notice is as follows:
-//
-/////////////////////////////////////////////////////////////////////////
-//
-// Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-// rights reserved.
-//
-// License to copy and use this software is granted provided that it
-// is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-// Algorithm" in all material mentioning or referencing this software
-// or this function.
-//
-// License is also granted to make and use derivative works provided
-// that such works are identified as "derived from the RSA Data
-// Security, Inc. MD5 Message-Digest Algorithm" in all material
-// mentioning or referencing the derived work.
-//
-// RSA Data Security, Inc. makes no representations concerning either
-// the merchantability of this software or the suitability of this
-// software for any particular purpose. It is provided "as is"
-// without express or implied warranty of any kind.
-//
-// These notices must be retained in any copies of any part of this
-// documentation and/or software.
-//
-/////////////////////////////////////////////////////////////////////////
-
 #include <qpdf/MD5.hh>
+
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFCryptoProvider.hh>
 #include <qpdf/QUtil.hh>
 
-#include <stdio.h>
+#include <errno.h>
 #include <memory.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <errno.h>
-
-int const S11 = 7;
-int const S12 = 12;
-int const S13 = 17;
-int const S14 = 22;
-int const S21 = 5;
-int const S22 = 9;
-int const S23 = 14;
-int const S24 = 20;
-int const S31 = 4;
-int const S32 = 11;
-int const S33 = 16;
-int const S34 = 23;
-int const S41 = 6;
-int const S42 = 10;
-int const S43 = 15;
-int const S44 = 21;
-
-static unsigned char PADDING64 = {
-  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-// F, G, H and I are basic MD5 functions.
-#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
-#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
-#define H(x, y, z) ((x) ^ (y) ^ (z))
-#define I(x, y, z) ((y) ^ ((x) | (~z)))
-
-// ROTATE_LEFT rotates x left n bits.
-#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
-
-// FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
-// Rotation is separate from addition to prevent recomputation.
-#define FF(a, b, c, d, x, s, ac) { \
- (a) += F ((b), (c), (d)) + (x) + static_cast<UINT4>(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define GG(a, b, c, d, x, s, ac) { \
- (a) += G ((b), (c), (d)) + (x) + static_cast<UINT4>(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define HH(a, b, c, d, x, s, ac) { \
- (a) += H ((b), (c), (d)) + (x) + static_cast<UINT4>(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define II(a, b, c, d, x, s, ac) { \
- (a) += I ((b), (c), (d)) + (x) + static_cast<UINT4>(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-
-// MD5 initialization. Begins an MD5 operation, writing a new context.
-void MD5::init()
-{
-    count0 = count1 = 0;
-    // Load magic initialization constants.
-    state0 = 0x67452301;
-    state1 = 0xefcdab89;
-    state2 = 0x98badcfe;
-    state3 = 0x10325476;
-
-    finalized = false;
-    memset(digest_val, 0, sizeof(digest_val));
-}
-
-// MD5 block update operation. Continues an MD5 message-digest
-// operation, processing another message block, and updating the
-// context.
-
-void MD5::update(unsigned char *input,
-		 unsigned int inputLen)
-{
-    unsigned int i, index, partLen;
-
-    // Compute number of bytes mod 64
-    index = static_cast<unsigned int>((count0 >> 3) & 0x3f);
-
-    // Update number of bits
-    if ((count0 += (static_cast<UINT4>(inputLen) << 3)) <
-        (static_cast<UINT4>(inputLen) << 3))
-	count1++;
-    count1 += (static_cast<UINT4>(inputLen) >> 29);
-
-    partLen = 64 - index;
-
-    // Transform as many times as possible.
-
-    if (inputLen >= partLen) {
-	memcpy(&bufferindex, input, partLen);
-	transform(state, buffer);
-
-	for (i = partLen; i + 63 < inputLen; i += 64)
-	    transform(state, &inputi);
-
-	index = 0;
-    }
-    else
-	i = 0;
-
-    // Buffer remaining input
-    memcpy(&bufferindex, &inputi, inputLen-i);
-}
-
-// MD5 finalization. Ends an MD5 message-digest operation, writing the
-// the message digest and zeroizing the context.
-void MD5::final()
-{
-    if (finalized)
-    {
-	return;
-    }
 
-    unsigned char bits8;
-    unsigned int index, padLen;
-
-    // Save number of bits
-    encode(bits, count, 8);
-
-    // Pad out to 56 mod 64.
-
-    index = static_cast<unsigned int>((count0 >> 3) & 0x3f);
-    padLen = (index < 56) ? (56 - index) : (120 - index);
-    update(PADDING, padLen);
-
-    // Append length (before padding)
-    update(bits, 8);
-    // Store state in digest_val
-    encode(digest_val, state, 16);
-
-    // Zeroize sensitive information.
-    memset(state, 0, sizeof(state));
-    memset(count, 0, sizeof(count));
-    memset(buffer, 0, sizeof(buffer));
-
-    finalized = true;
-}
-
-// MD5 basic transformation. Transforms state based on block.
-void MD5::transform(UINT4 state4, unsigned char block64)
-{
-    UINT4 a = state0, b = state1, c = state2, d = state3, x16;
-
-    decode(x, block, 64);
-
-    // Round 1
-    FF (a, b, c, d, x 0, S11, 0xd76aa478); // 1
-    FF (d, a, b, c, x 1, S12, 0xe8c7b756); // 2
-    FF (c, d, a, b, x 2, S13, 0x242070db); // 3
-    FF (b, c, d, a, x 3, S14, 0xc1bdceee); // 4
-    FF (a, b, c, d, x 4, S11, 0xf57c0faf); // 5
-    FF (d, a, b, c, x 5, S12, 0x4787c62a); // 6
-    FF (c, d, a, b, x 6, S13, 0xa8304613); // 7
-    FF (b, c, d, a, x 7, S14, 0xfd469501); // 8
-    FF (a, b, c, d, x 8, S11, 0x698098d8); // 9
-    FF (d, a, b, c, x 9, S12, 0x8b44f7af); // 10
-    FF (c, d, a, b, x10, S13, 0xffff5bb1); // 11
-    FF (b, c, d, a, x11, S14, 0x895cd7be); // 12
-    FF (a, b, c, d, x12, S11, 0x6b901122); // 13
-    FF (d, a, b, c, x13, S12, 0xfd987193); // 14
-    FF (c, d, a, b, x14, S13, 0xa679438e); // 15
-    FF (b, c, d, a, x15, S14, 0x49b40821); // 16
-
-    // Round 2
-    GG (a, b, c, d, x 1, S21, 0xf61e2562); // 17
-    GG (d, a, b, c, x 6, S22, 0xc040b340); // 18
-    GG (c, d, a, b, x11, S23, 0x265e5a51); // 19
-    GG (b, c, d, a, x 0, S24, 0xe9b6c7aa); // 20
-    GG (a, b, c, d, x 5, S21, 0xd62f105d); // 21
-    GG (d, a, b, c, x10, S22,  0x2441453); // 22
-    GG (c, d, a, b, x15, S23, 0xd8a1e681); // 23
-    GG (b, c, d, a, x 4, S24, 0xe7d3fbc8); // 24
-    GG (a, b, c, d, x 9, S21, 0x21e1cde6); // 25
-    GG (d, a, b, c, x14, S22, 0xc33707d6); // 26
-    GG (c, d, a, b, x 3, S23, 0xf4d50d87); // 27
-    GG (b, c, d, a, x 8, S24, 0x455a14ed); // 28
-    GG (a, b, c, d, x13, S21, 0xa9e3e905); // 29
-    GG (d, a, b, c, x 2, S22, 0xfcefa3f8); // 30
-    GG (c, d, a, b, x 7, S23, 0x676f02d9); // 31
-    GG (b, c, d, a, x12, S24, 0x8d2a4c8a); // 32
-
-    // Round 3
-    HH (a, b, c, d, x 5, S31, 0xfffa3942); // 33
-    HH (d, a, b, c, x 8, S32, 0x8771f681); // 34
-    HH (c, d, a, b, x11, S33, 0x6d9d6122); // 35
-    HH (b, c, d, a, x14, S34, 0xfde5380c); // 36
-    HH (a, b, c, d, x 1, S31, 0xa4beea44); // 37
-    HH (d, a, b, c, x 4, S32, 0x4bdecfa9); // 38
-    HH (c, d, a, b, x 7, S33, 0xf6bb4b60); // 39
-    HH (b, c, d, a, x10, S34, 0xbebfbc70); // 40
-    HH (a, b, c, d, x13, S31, 0x289b7ec6); // 41
-    HH (d, a, b, c, x 0, S32, 0xeaa127fa); // 42
-    HH (c, d, a, b, x 3, S33, 0xd4ef3085); // 43
-    HH (b, c, d, a, x 6, S34,  0x4881d05); // 44
-    HH (a, b, c, d, x 9, S31, 0xd9d4d039); // 45
-    HH (d, a, b, c, x12, S32, 0xe6db99e5); // 46
-    HH (c, d, a, b, x15, S33, 0x1fa27cf8); // 47
-    HH (b, c, d, a, x 2, S34, 0xc4ac5665); // 48
-
-    // Round 4
-    II (a, b, c, d, x 0, S41, 0xf4292244); // 49
-    II (d, a, b, c, x 7, S42, 0x432aff97); // 50
-    II (c, d, a, b, x14, S43, 0xab9423a7); // 51
-    II (b, c, d, a, x 5, S44, 0xfc93a039); // 52
-    II (a, b, c, d, x12, S41, 0x655b59c3); // 53
-    II (d, a, b, c, x 3, S42, 0x8f0ccc92); // 54
-    II (c, d, a, b, x10, S43, 0xffeff47d); // 55
-    II (b, c, d, a, x 1, S44, 0x85845dd1); // 56
-    II (a, b, c, d, x 8, S41, 0x6fa87e4f); // 57
-    II (d, a, b, c, x15, S42, 0xfe2ce6e0); // 58
-    II (c, d, a, b, x 6, S43, 0xa3014314); // 59
-    II (b, c, d, a, x13, S44, 0x4e0811a1); // 60
-    II (a, b, c, d, x 4, S41, 0xf7537e82); // 61
-    II (d, a, b, c, x11, S42, 0xbd3af235); // 62
-    II (c, d, a, b, x 2, S43, 0x2ad7d2bb); // 63
-    II (b, c, d, a, x 9, S44, 0xeb86d391); // 64
-
-    state0 += a;
-    state1 += b;
-    state2 += c;
-    state3 += d;
-
-    // Zeroize sensitive information.
-
-    memset (x, 0, sizeof (x));
-}
-
-// Encodes input (UINT4) into output (unsigned char). Assumes len is a
-// multiple of 4.
-void MD5::encode(unsigned char *output, UINT4 *input, unsigned int len)
+MD5::MD5()
 {
-    unsigned int i, j;
-
-    for (i = 0, j = 0; j < len; i++, j += 4) {
-	outputj = static_cast<unsigned char>(inputi & 0xff);
-	outputj+1 = static_cast<unsigned char>((inputi >> 8) & 0xff);
-	outputj+2 = static_cast<unsigned char>((inputi >> 16) & 0xff);
-	outputj+3 = static_cast<unsigned char>((inputi >> 24) & 0xff);
-    }
+    init();
 }
 
-// Decodes input (unsigned char) into output (UINT4). Assumes len is a
-// multiple of 4.
-void MD5::decode(UINT4 *output, unsigned char *input, unsigned int len)
+void
+MD5::init()
 {
-    unsigned int i, j;
-
-    for (i = 0, j = 0; j < len; i++, j += 4)
-	outputi =
-            static_cast<UINT4>(inputj) |
-            (static_cast<UINT4>(inputj+1) << 8) |
-	    (static_cast<UINT4>(inputj+2) << 16) |
-            (static_cast<UINT4>(inputj+3) << 24);
+    this->crypto = QPDFCryptoProvider::getImpl();
+    this->crypto->MD5_init();
 }
 
-// Public functions
-
-MD5::MD5()
+void
+MD5::finalize()
 {
-    init();
+    this->crypto->MD5_finalize();
 }
 
-void MD5::reset()
+void
+MD5::reset()
 {
     init();
 }
 
-void MD5::encodeString(char const* str)
+void
+MD5::encodeString(char const* str)
 {
-    unsigned int len = strlen(str);
-
-    update(QUtil::unsigned_char_pointer(str), len);
-    final();
+    size_t len = strlen(str);
+    crypto->MD5_init();
+    encodeDataIncrementally(str, len);
+    crypto->MD5_finalize();
 }
 
-void MD5::appendString(char const* input_string)
+void
+MD5::appendString(char const* input_string)
 {
-    update(QUtil::unsigned_char_pointer(input_string), strlen(input_string));
+    encodeDataIncrementally(input_string, strlen(input_string));
 }
 
-void MD5::encodeDataIncrementally(char const* data, int len)
+void
+MD5::encodeDataIncrementally(char const* data, size_t len)
 {
-    update(QUtil::unsigned_char_pointer(data), len);
+    this->crypto->MD5_update(QUtil::unsigned_char_pointer(data), len);
 }
 
-void MD5::encodeFile(char const *filename, int up_to_size)
+void
+MD5::encodeFile(char const* filename, qpdf_offset_t up_to_offset)
 {
-    unsigned char buffer1024;
+    char buffer1024;
 
-    FILE *file = QUtil::safe_fopen(filename, "rb");
+    FILE* file = QUtil::safe_fopen(filename, "rb");
     size_t len;
-    int so_far = 0;
-    int to_try = 1024;
-    do
-    {
-	if ((up_to_size >= 0) && ((so_far + to_try) > up_to_size))
-	{
-	    to_try = up_to_size - so_far;
-	}
-	len = fread(buffer, 1, to_try, file);
-	if (len > 0)
-	{
-	    update(buffer, len);
-	    so_far += len;
-	    if ((up_to_size >= 0) && (so_far >= up_to_size))
-	    {
-		break;
-	    }
-	}
+    size_t so_far = 0;
+    size_t to_try = 1024;
+    size_t up_to_size = 0;
+    if (up_to_offset >= 0) {
+        up_to_size = QIntC::to_size(up_to_offset);
+    }
+    do {
+        if ((up_to_offset >= 0) && ((so_far + to_try) > up_to_size)) {
+            to_try = up_to_size - so_far;
+        }
+        len = fread(buffer, 1, to_try, file);
+        if (len > 0) {
+            encodeDataIncrementally(buffer, len);
+            so_far += len;
+            if ((up_to_offset >= 0) && (so_far >= up_to_size)) {
+                break;
+            }
+        }
     } while (len > 0);
-    if (ferror(file))
-    {
-	// Assume, perhaps incorrectly, that errno was set by the
-	// underlying call to read....
-	(void) fclose(file);
-	QUtil::throw_system_error(
-	    std::string("MD5: read error on ") + filename);
+    if (ferror(file)) {
+        // Assume, perhaps incorrectly, that errno was set by the
+        // underlying call to read....
+        (void)fclose(file);
+        QUtil::throw_system_error(
+            std::string("MD5: read error on ") + filename);
     }
-    (void) fclose(file);
+    (void)fclose(file);
 
-    final();
+    this->crypto->MD5_finalize();
 }
 
-void MD5::digest(Digest result)
+void
+MD5::digest(Digest result)
 {
-    final();
-    memcpy(result, digest_val, sizeof(digest_val));
+    this->crypto->MD5_finalize();
+    this->crypto->MD5_digest(result);
 }
 
-void MD5::print()
+void
+MD5::print()
 {
-    final();
+    Digest digest_val;
+    digest(digest_val);
 
     unsigned int i;
-    for (i = 0; i < 16; ++i)
-    {
-	printf("%02x", digest_vali);
+    for (i = 0; i < 16; ++i) {
+        printf("%02x", digest_vali);
     }
     printf("\n");
 }
 
-std::string MD5::unparse()
+std::string
+MD5::unparse()
 {
-    final();
+    this->crypto->MD5_finalize();
+    Digest digest_val;
+    digest(digest_val);
     return QUtil::hex_encode(
         std::string(reinterpret_cast<char*>(digest_val), 16));
 }
 
 std::string
-MD5::getDataChecksum(char const* buf, int len)
+MD5::getDataChecksum(char const* buf, size_t len)
 {
     MD5 m;
     m.encodeDataIncrementally(buf, len);
@@ -396,34 +132,32 @@
 }
 
 std::string
-MD5::getFileChecksum(char const* filename, int up_to_size)
+MD5::getFileChecksum(char const* filename, qpdf_offset_t up_to_offset)
 {
     MD5 m;
-    m.encodeFile(filename, up_to_size);
+    m.encodeFile(filename, up_to_offset);
     return m.unparse();
 }
 
 bool
-MD5::checkDataChecksum(char const* const checksum,
-		       char const* buf, int len)
+MD5::checkDataChecksum(char const* const checksum, char const* buf, size_t len)
 {
     std::string actual_checksum = getDataChecksum(buf, len);
     return (checksum == actual_checksum);
 }
 
 bool
-MD5::checkFileChecksum(char const* const checksum,
-		       char const* filename, int up_to_size)
+MD5::checkFileChecksum(
+    char const* const checksum,
+    char const* filename,
+    qpdf_offset_t up_to_offset)
 {
     bool result = false;
-    try
-    {
-	std::string actual_checksum = getFileChecksum(filename, up_to_size);
-	result = (checksum == actual_checksum);
-    }
-    catch (std::runtime_error const&)
-    {
-	// Ignore -- return false
+    try {
+        std::string actual_checksum = getFileChecksum(filename, up_to_offset);
+        result = (checksum == actual_checksum);
+    } catch (std::runtime_error const&) {
+        // Ignore -- return false
     }
     return result;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/MD5_native.cc Added

@@ -0,0 +1,310 @@
+// clang-format off
+
+// This file implements a class for computation of MD5 checksums.
+// It is derived from the reference algorithm for MD5 as given in
+// RFC 1321.  The original copyright notice is as follows:
+//
+/////////////////////////////////////////////////////////////////////////
+//
+// Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+// rights reserved.
+//
+// License to copy and use this software is granted provided that it
+// is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+// Algorithm" in all material mentioning or referencing this software
+// or this function.
+//
+// License is also granted to make and use derivative works provided
+// that such works are identified as "derived from the RSA Data
+// Security, Inc. MD5 Message-Digest Algorithm" in all material
+// mentioning or referencing the derived work.
+//
+// RSA Data Security, Inc. makes no representations concerning either
+// the merchantability of this software or the suitability of this
+// software for any particular purpose. It is provided "as is"
+// without express or implied warranty of any kind.
+//
+// These notices must be retained in any copies of any part of this
+// documentation and/or software.
+//
+/////////////////////////////////////////////////////////////////////////
+
+#include <qpdf/MD5_native.hh>
+
+#include <qpdf/QUtil.hh>
+#include <qpdf/QIntC.hh>
+
+#include <stdio.h>
+#include <memory.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+int const S11 = 7;
+int const S12 = 12;
+int const S13 = 17;
+int const S14 = 22;
+int const S21 = 5;
+int const S22 = 9;
+int const S23 = 14;
+int const S24 = 20;
+int const S31 = 4;
+int const S32 = 11;
+int const S33 = 16;
+int const S34 = 23;
+int const S41 = 6;
+int const S42 = 10;
+int const S43 = 15;
+int const S44 = 21;
+
+static unsigned char PADDING64 = {
+  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+// F, G, H and I are basic MD5 functions.
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define I(x, y, z) ((y) ^ ((x) | (~z)))
+
+// ROTATE_LEFT rotates x left n bits.
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+// FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
+// Rotation is separate from addition to prevent recomputation.
+#define FF(a, b, c, d, x, s, ac) { \
+ (a) += F ((b), (c), (d)) + (x) + static_cast<uint32_t>(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define GG(a, b, c, d, x, s, ac) { \
+ (a) += G ((b), (c), (d)) + (x) + static_cast<uint32_t>(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define HH(a, b, c, d, x, s, ac) { \
+ (a) += H ((b), (c), (d)) + (x) + static_cast<uint32_t>(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define II(a, b, c, d, x, s, ac) { \
+ (a) += I ((b), (c), (d)) + (x) + static_cast<uint32_t>(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+
+MD5_native::MD5_native()
+{
+    init();
+}
+
+// MD5 initialization. Begins an MD5 operation, writing a new context.
+void MD5_native::init()
+{
+    count0 = count1 = 0;
+    // Load magic initialization constants.
+    state0 = 0x67452301;
+    state1 = 0xefcdab89;
+    state2 = 0x98badcfe;
+    state3 = 0x10325476;
+
+    finalized = false;
+    memset(digest_val, 0, sizeof(digest_val));
+}
+
+// MD5 block update operation. Continues an MD5 message-digest
+// operation, processing another message block, and updating the
+// context.
+
+void MD5_native::update(unsigned char *input,
+                 size_t inputLen)
+{
+    unsigned int i, index, partLen;
+
+    // Compute number of bytes mod 64
+    index = static_cast<unsigned int>((count0 >> 3) & 0x3f);
+
+    // Update number of bits
+    if ((count0 += (static_cast<uint32_t>(inputLen) << 3)) <
+        (static_cast<uint32_t>(inputLen) << 3))
+        count1++;
+    count1 += (static_cast<uint32_t>(inputLen) >> 29);
+
+    partLen = 64 - index;
+
+    // Transform as many times as possible.
+
+    if (inputLen >= partLen) {
+        memcpy(&bufferindex, input, partLen);
+        transform(state, buffer);
+
+        for (i = partLen; i + 63 < inputLen; i += 64)
+            transform(state, &inputi);
+
+        index = 0;
+    }
+    else
+        i = 0;
+
+    // Buffer remaining input
+    memcpy(&bufferindex, &inputi, inputLen-i);
+}
+
+// MD5 finalization. Ends an MD5 message-digest operation, writing the
+// the message digest and zeroizing the context.
+void MD5_native::finalize()
+{
+    if (finalized)
+    {
+        return;
+    }
+
+    unsigned char bits8;
+    unsigned int index, padLen;
+
+    // Save number of bits
+    encode(bits, count, 8);
+
+    // Pad out to 56 mod 64.
+
+    index = static_cast<unsigned int>((count0 >> 3) & 0x3f);
+    padLen = (index < 56) ? (56 - index) : (120 - index);
+    update(PADDING, padLen);
+
+    // Append length (before padding)
+    update(bits, 8);
+    // Store state in digest_val
+    encode(digest_val, state, 16);
+
+    // Zeroize sensitive information.
+    memset(state, 0, sizeof(state));
+    memset(count, 0, sizeof(count));
+    memset(buffer, 0, sizeof(buffer));
+
+    finalized = true;
+}
+
+void
+MD5_native::digest(Digest result)
+{
+    memcpy(result, digest_val, sizeof(digest_val));
+}
+
+// MD5 basic transformation. Transforms state based on block.
+void MD5_native::transform(uint32_t state4, unsigned char block64)
+{
+    uint32_t a = state0, b = state1, c = state2, d = state3, x16;
+
+    decode(x, block, 64);
+
+    // Round 1
+    FF (a, b, c, d, x 0, S11, 0xd76aa478); // 1
+    FF (d, a, b, c, x 1, S12, 0xe8c7b756); // 2
+    FF (c, d, a, b, x 2, S13, 0x242070db); // 3
+    FF (b, c, d, a, x 3, S14, 0xc1bdceee); // 4
+    FF (a, b, c, d, x 4, S11, 0xf57c0faf); // 5
+    FF (d, a, b, c, x 5, S12, 0x4787c62a); // 6
+    FF (c, d, a, b, x 6, S13, 0xa8304613); // 7
+    FF (b, c, d, a, x 7, S14, 0xfd469501); // 8
+    FF (a, b, c, d, x 8, S11, 0x698098d8); // 9
+    FF (d, a, b, c, x 9, S12, 0x8b44f7af); // 10
+    FF (c, d, a, b, x10, S13, 0xffff5bb1); // 11
+    FF (b, c, d, a, x11, S14, 0x895cd7be); // 12
+    FF (a, b, c, d, x12, S11, 0x6b901122); // 13
+    FF (d, a, b, c, x13, S12, 0xfd987193); // 14
+    FF (c, d, a, b, x14, S13, 0xa679438e); // 15
+    FF (b, c, d, a, x15, S14, 0x49b40821); // 16
+
+    // Round 2
+    GG (a, b, c, d, x 1, S21, 0xf61e2562); // 17
+    GG (d, a, b, c, x 6, S22, 0xc040b340); // 18
+    GG (c, d, a, b, x11, S23, 0x265e5a51); // 19
+    GG (b, c, d, a, x 0, S24, 0xe9b6c7aa); // 20
+    GG (a, b, c, d, x 5, S21, 0xd62f105d); // 21
+    GG (d, a, b, c, x10, S22,  0x2441453); // 22
+    GG (c, d, a, b, x15, S23, 0xd8a1e681); // 23
+    GG (b, c, d, a, x 4, S24, 0xe7d3fbc8); // 24
+    GG (a, b, c, d, x 9, S21, 0x21e1cde6); // 25
+    GG (d, a, b, c, x14, S22, 0xc33707d6); // 26
+    GG (c, d, a, b, x 3, S23, 0xf4d50d87); // 27
+    GG (b, c, d, a, x 8, S24, 0x455a14ed); // 28
+    GG (a, b, c, d, x13, S21, 0xa9e3e905); // 29
+    GG (d, a, b, c, x 2, S22, 0xfcefa3f8); // 30
+    GG (c, d, a, b, x 7, S23, 0x676f02d9); // 31
+    GG (b, c, d, a, x12, S24, 0x8d2a4c8a); // 32
+
+    // Round 3
+    HH (a, b, c, d, x 5, S31, 0xfffa3942); // 33
+    HH (d, a, b, c, x 8, S32, 0x8771f681); // 34
+    HH (c, d, a, b, x11, S33, 0x6d9d6122); // 35
+    HH (b, c, d, a, x14, S34, 0xfde5380c); // 36
+    HH (a, b, c, d, x 1, S31, 0xa4beea44); // 37
+    HH (d, a, b, c, x 4, S32, 0x4bdecfa9); // 38
+    HH (c, d, a, b, x 7, S33, 0xf6bb4b60); // 39
+    HH (b, c, d, a, x10, S34, 0xbebfbc70); // 40
+    HH (a, b, c, d, x13, S31, 0x289b7ec6); // 41
+    HH (d, a, b, c, x 0, S32, 0xeaa127fa); // 42
+    HH (c, d, a, b, x 3, S33, 0xd4ef3085); // 43
+    HH (b, c, d, a, x 6, S34,  0x4881d05); // 44
+    HH (a, b, c, d, x 9, S31, 0xd9d4d039); // 45
+    HH (d, a, b, c, x12, S32, 0xe6db99e5); // 46
+    HH (c, d, a, b, x15, S33, 0x1fa27cf8); // 47
+    HH (b, c, d, a, x 2, S34, 0xc4ac5665); // 48
+
+    // Round 4
+    II (a, b, c, d, x 0, S41, 0xf4292244); // 49
+    II (d, a, b, c, x 7, S42, 0x432aff97); // 50
+    II (c, d, a, b, x14, S43, 0xab9423a7); // 51
+    II (b, c, d, a, x 5, S44, 0xfc93a039); // 52
+    II (a, b, c, d, x12, S41, 0x655b59c3); // 53
+    II (d, a, b, c, x 3, S42, 0x8f0ccc92); // 54
+    II (c, d, a, b, x10, S43, 0xffeff47d); // 55
+    II (b, c, d, a, x 1, S44, 0x85845dd1); // 56
+    II (a, b, c, d, x 8, S41, 0x6fa87e4f); // 57
+    II (d, a, b, c, x15, S42, 0xfe2ce6e0); // 58
+    II (c, d, a, b, x 6, S43, 0xa3014314); // 59
+    II (b, c, d, a, x13, S44, 0x4e0811a1); // 60
+    II (a, b, c, d, x 4, S41, 0xf7537e82); // 61
+    II (d, a, b, c, x11, S42, 0xbd3af235); // 62
+    II (c, d, a, b, x 2, S43, 0x2ad7d2bb); // 63
+    II (b, c, d, a, x 9, S44, 0xeb86d391); // 64
+
+    state0 += a;
+    state1 += b;
+    state2 += c;
+    state3 += d;
+
+    // Zeroize sensitive information.
+
+    memset (x, 0, sizeof (x));
+}
+
+// Encodes input (uint32_t) into output (unsigned char). Assumes len is a
+// multiple of 4.
+void MD5_native::encode(unsigned char *output, uint32_t *input, size_t len)
+{
+    unsigned int i, j;
+
+    for (i = 0, j = 0; j < len; i++, j += 4) {
+        outputj = static_cast<unsigned char>(inputi & 0xff);
+        outputj+1 = static_cast<unsigned char>((inputi >> 8) & 0xff);
+        outputj+2 = static_cast<unsigned char>((inputi >> 16) & 0xff);
+        outputj+3 = static_cast<unsigned char>((inputi >> 24) & 0xff);
+    }
+}
+
+// Decodes input (unsigned char) into output (uint32_t). Assumes len is a
+// multiple of 4.
+void MD5_native::decode(uint32_t *output, unsigned char *input, size_t len)
+{
+    unsigned int i, j;
+
+    for (i = 0, j = 0; j < len; i++, j += 4)
+        outputi =
+            static_cast<uint32_t>(inputj) |
+            (static_cast<uint32_t>(inputj+1) << 8) |
+            (static_cast<uint32_t>(inputj+2) << 16) |
+            (static_cast<uint32_t>(inputj+3) << 24);
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/NNTree.cc Added

@@ -0,0 +1,1036 @@
+#include <qpdf/NNTree.hh>
+
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+#include <exception>
+
+static std::string
+get_description(QPDFObjectHandle& node)
+{
+    std::string result("Name/Number tree node");
+    if (node.isIndirect()) {
+        result += " (object " + QUtil::int_to_string(node.getObjectID()) + ")";
+    }
+    return result;
+}
+
+static void
+warn(QPDF& qpdf, QPDFObjectHandle& node, std::string const& msg)
+{
+    qpdf.warn(qpdf_e_damaged_pdf, get_description(node), 0, msg);
+}
+
+static void
+error(QPDF& qpdf, QPDFObjectHandle& node, std::string const& msg)
+{
+    throw QPDFExc(
+        qpdf_e_damaged_pdf, qpdf.getFilename(), get_description(node), 0, msg);
+}
+
+NNTreeIterator::NNTreeIterator(NNTreeImpl& impl) :
+    impl(impl),
+    item_number(-1)
+{
+}
+
+void
+NNTreeIterator::updateIValue(bool allow_invalid)
+{
+    // ivalue should never be used inside the class since we return a
+    // pointer/reference to it. Every bit of code that ever changes
+    // what object the iterator points to should take care to call
+    // updateIValue. Failure to do this means that any old references
+    // to *iter will point to incorrect objects, though the next
+    // dereference of the iterator will fix it. This isn't necessarily
+    // catastrophic, but it would be confusing. The test suite
+    // attempts to exercise various cases to ensure we don't introduce
+    // that bug in the future, but sadly it's tricky to verify by
+    // reasoning about the code that this constraint is always
+    // satisfied. Whenever we update what the iterator points to, we
+    // should call setItemNumber, which calls this. If we change what
+    // the iterator in some other way, such as replacing a value or
+    // removing an item and making the iterator point at a different
+    // item in potentially the same position, we must call
+    // updateIValue as well. These cases are handled, and for good
+    // measure, we also call updateIValue in operator* and operator->.
+
+    bool okay = false;
+    if ((item_number >= 0) && this->node.isDictionary()) {
+        auto items = this->node.getKey(impl.details.itemsKey());
+        if (this->item_number + 1 < items.getArrayNItems()) {
+            okay = true;
+            this->ivalue.first = items.getArrayItem(this->item_number);
+            this->ivalue.second = items.getArrayItem(1 + this->item_number);
+        } else {
+            error(impl.qpdf, node, "update ivalue: items array is too short");
+        }
+    }
+    if (!okay) {
+        if (!allow_invalid) {
+            throw std::logic_error("attempt made to dereference an invalid"
+                                   " name/number tree iterator");
+        }
+        this->ivalue.first = QPDFObjectHandle();
+        this->ivalue.second = QPDFObjectHandle();
+    }
+}
+
+NNTreeIterator::PathElement::PathElement(
+    QPDFObjectHandle const& node, int kid_number) :
+    node(node),
+    kid_number(kid_number)
+{
+}
+
+QPDFObjectHandle
+NNTreeIterator::getNextKid(PathElement& pe, bool backward)
+{
+    QPDFObjectHandle result;
+    bool found = false;
+    while (!found) {
+        pe.kid_number += backward ? -1 : 1;
+        auto kids = pe.node.getKey("/Kids");
+        if ((pe.kid_number >= 0) && (pe.kid_number < kids.getArrayNItems())) {
+            result = kids.getArrayItem(pe.kid_number);
+            if (result.isDictionary() &&
+                (result.hasKey("/Kids") ||
+                 result.hasKey(impl.details.itemsKey()))) {
+                found = true;
+            } else {
+                QTC::TC("qpdf", "NNTree skip invalid kid");
+                warn(
+                    impl.qpdf,
+                    pe.node,
+                    ("skipping over invalid kid at index " +
+                     QUtil::int_to_string(pe.kid_number)));
+            }
+        } else {
+            result = QPDFObjectHandle::newNull();
+            found = true;
+        }
+    }
+    return result;
+}
+
+bool
+NNTreeIterator::valid() const
+{
+    return this->item_number >= 0;
+}
+
+void
+NNTreeIterator::increment(bool backward)
+{
+    if (this->item_number < 0) {
+        QTC::TC("qpdf", "NNTree increment end()");
+        deepen(impl.oh, !backward, true);
+        return;
+    }
+    bool found_valid_key = false;
+    while (valid() && (!found_valid_key)) {
+        this->item_number += backward ? -2 : 2;
+        auto items = this->node.getKey(impl.details.itemsKey());
+        if ((this->item_number < 0) ||
+            (this->item_number >= items.getArrayNItems())) {
+            bool found = false;
+            setItemNumber(QPDFObjectHandle(), -1);
+            while (!(found || this->path.empty())) {
+                auto& element = this->path.back();
+                auto pe_node = getNextKid(element, backward);
+                if (pe_node.isNull()) {
+                    this->path.pop_back();
+                } else {
+                    found = deepen(pe_node, !backward, false);
+                }
+            }
+        }
+        if (this->item_number >= 0) {
+            items = this->node.getKey(impl.details.itemsKey());
+            if (this->item_number + 1 >= items.getArrayNItems()) {
+                QTC::TC("qpdf", "NNTree skip item at end of short items");
+                warn(
+                    impl.qpdf,
+                    this->node,
+                    "items array doesn't have enough elements");
+            } else if (!impl.details.keyValid(
+                           items.getArrayItem(this->item_number))) {
+                QTC::TC("qpdf", "NNTree skip invalid key");
+                warn(
+                    impl.qpdf,
+                    this->node,
+                    ("item " + QUtil::int_to_string(this->item_number) +
+                     " has the wrong type"));
+            } else {
+                found_valid_key = true;
+            }
+        }
+    }
+}
+
+void
+NNTreeIterator::resetLimits(
+    QPDFObjectHandle node, std::list<PathElement>::iterator parent)
+{
+    bool done = false;
+    while (!done) {
+        if (parent == this->path.end()) {
+            QTC::TC("qpdf", "NNTree remove limits from root");
+            node.removeKey("/Limits");
+            done = true;
+            break;
+        }
+        auto kids = node.getKey("/Kids");
+        int nkids = kids.isArray() ? kids.getArrayNItems() : 0;
+        auto items = node.getKey(impl.details.itemsKey());
+        int nitems = items.isArray() ? items.getArrayNItems() : 0;
+
+        bool changed = true;
+        QPDFObjectHandle first;
+        QPDFObjectHandle last;
+        if (nitems >= 2) {
+            first = items.getArrayItem(0);
+            last = items.getArrayItem((nitems - 1) & ~1);
+        } else if (nkids > 0) {
+            auto first_kid = kids.getArrayItem(0);
+            auto last_kid = kids.getArrayItem(nkids - 1);
+            if (first_kid.isDictionary() && last_kid.isDictionary()) {
+                auto first_limits = first_kid.getKey("/Limits");
+                auto last_limits = last_kid.getKey("/Limits");
+                if (first_limits.isArray() &&
+                    (first_limits.getArrayNItems() >= 2) &&
+                    last_limits.isArray() &&
+                    (last_limits.getArrayNItems() >= 2)) {
+                    first = first_limits.getArrayItem(0);
+                    last = last_limits.getArrayItem(1);
+                }
+            }
+        }
+        if (first.isInitialized() && last.isInitialized()) {
+            auto limits = QPDFObjectHandle::newArray();
+            limits.appendItem(first);
+            limits.appendItem(last);
+            auto olimits = node.getKey("/Limits");
+            if (olimits.isArray() && (olimits.getArrayNItems() == 2)) {
+                auto ofirst = olimits.getArrayItem(0);
+                auto olast = olimits.getArrayItem(1);
+                if (impl.details.keyValid(ofirst) &&
+                    impl.details.keyValid(olast) &&
+                    (impl.details.compareKeys(first, ofirst) == 0) &&
+                    (impl.details.compareKeys(last, olast) == 0)) {
+                    QTC::TC("qpdf", "NNTree limits didn't change");
+                    changed = false;
+                }
+            }
+            if (changed) {
+                node.replaceKey("/Limits", limits);
+            }
+        } else {
+            QTC::TC("qpdf", "NNTree unable to determine limits");
+            warn(impl.qpdf, node, "unable to determine limits");
+        }
+
+        if ((!changed) || (parent == this->path.begin())) {
+            done = true;
+        } else {
+            node = parent->node;
+            --parent;
+        }
+    }
+}
+
+void
+NNTreeIterator::split(
+    QPDFObjectHandle to_split, std::list<PathElement>::iterator parent)
+{
+    // Split some node along the path to the item pointed to by this
+    // iterator, and adjust the iterator so it points to the same
+    // item.
+
+    // In examples, for simplicity, /Nums is show to just contain
+    // numbers instead of pairs. Imagine this tree:
+    //
+    // root: << /Kids  A B C D  >>
+    // A: << /Nums  1 2 3 4  >>
+    // B: << /Nums  5 6 7 8  >>
+    // C: << /Nums  9 10 11 12  >>
+    // D: << /Kids  E F 
+    // E: << /Nums  13 14 15 16  >>
+    // F: << /Nums  17 18 19 20  >>
+
+    // iter1 (points to 19)
+    //   path:
+    //   - { node: root: kid_number: 3 }
+    //   - { node: D, kid_number: 1 }
+    //   node: F
+    //   item_number: 2
+
+    // iter2 (points to 1)
+    //   path:
+    //   - { node: root, kid_number: 0}
+    //   node: A
+    //   item_number: 0
+
+    if (!valid()) {
+        throw std::logic_error(
+            "NNTreeIterator::split called an invalid iterator");
+    }
+
+    // Find the array we actually need to split, which is either this
+    // node's kids or items.
+    auto kids = to_split.getKey("/Kids");
+    int nkids = kids.isArray() ? kids.getArrayNItems() : 0;
+    auto items = to_split.getKey(impl.details.itemsKey());
+    int nitems = items.isArray() ? items.getArrayNItems() : 0;
+
+    QPDFObjectHandle first_half;
+    int n = 0;
+    std::string key;
+    int threshold = 0;
+    if (nkids > 0) {
+        QTC::TC("qpdf", "NNTree split kids");
+        first_half = kids;
+        n = nkids;
+        threshold = impl.split_threshold;
+        key = "/Kids";
+    } else if (nitems > 0) {
+        QTC::TC("qpdf", "NNTree split items");
+        first_half = items;
+        n = nitems;
+        threshold = 2 * impl.split_threshold;
+        key = impl.details.itemsKey();
+    } else {
+        throw std::logic_error("NNTreeIterator::split called on invalid node");
+    }
+
+    if (n <= threshold) {
+        return;
+    }
+
+    bool is_root = (parent == this->path.end());
+    bool is_leaf = (nitems > 0);
+
+    // CURRENT STATE: tree is in original state; iterator is valid and
+    // unchanged.
+
+    if (is_root) {
+        // What we want to do is to create a new node for the second
+        // half of the items and put it in the parent's /Kids array
+        // right after the element that points to the current to_split
+        // node, but if we're splitting root, there is no parent, so
+        // handle that first.
+
+        // In the non-root case, parent points to the path element
+        // whose /Kids contains the first half node, and the first
+        // half node is to_split. If we are splitting the root, we
+        // need to push everything down a level, but we want to keep
+        // the actual root object the same so that indirect references
+        // to it remain intact (and also in case it might be a direct
+        // object, which it shouldn't be but that case probably exists
+        // in the wild). To achieve this, we create a new node for the
+        // first half and then replace /Kids in the root to contain
+        // it. Then we adjust the path so that the first element is
+        // root and the second element, if any, is the new first half.
+        // In this way, we make the root case identical to the
+        // non-root case so remaining logic can handle them in the
+        // same way.
+
+        auto first_node =
+            impl.qpdf.makeIndirectObject(QPDFObjectHandle::newDictionary());
+        first_node.replaceKey(key, first_half);
+        QPDFObjectHandle new_kids = QPDFObjectHandle::newArray();
+        new_kids.appendItem(first_node);
+        to_split.removeKey("/Limits"); // already shouldn't be there for root
+        to_split.removeKey(impl.details.itemsKey());
+        to_split.replaceKey("/Kids", new_kids);
+        if (is_leaf) {
+            QTC::TC("qpdf", "NNTree split root + leaf");
+            this->node = first_node;
+        } else {
+            QTC::TC("qpdf", "NNTree split root + !leaf");
+            auto next = this->path.begin();
+            next->node = first_node;
+        }
+        this->path.push_front(PathElement(to_split, 0));
+        parent = this->path.begin();
+        to_split = first_node;
+    }
+
+    // CURRENT STATE: parent is guaranteed to be defined, and we have
+    // the invariants that parent/Kidskid_number == to_split and
+    // (++parent).node == to_split.
+
+    // Create a second half array, and transfer the second half of the
+    // items into the second half array.
+    QPDFObjectHandle second_half = QPDFObjectHandle::newArray();
+    int start_idx = ((n / 2) & ~1);
+    while (first_half.getArrayNItems() > start_idx) {
+        second_half.appendItem(first_half.getArrayItem(start_idx));
+        first_half.eraseItem(start_idx);
+    }
+    resetLimits(to_split, parent);
+
+    // Create a new node to contain the second half
+    QPDFObjectHandle second_node =
+        impl.qpdf.makeIndirectObject(QPDFObjectHandle::newDictionary());
+    second_node.replaceKey(key, second_half);
+    resetLimits(second_node, parent);
+
+    // CURRENT STATE: half the items from the kids or items array in
+    // the node being split have been moved into a new node. The new
+    // node is not yet attached to the tree. The iterator may have a
+    // path element or leaf node that is out of bounds.
+
+    // We need to adjust the parent to add the second node to /Kids
+    // and, if needed, update kid_number to traverse through it. We
+    // need to update to_split's path element, or the node if this is
+    // a leaf, so that the kid/item number points to the right place.
+
+    auto parent_kids = parent->node.getKey("/Kids");
+    parent_kids.insertItem(parent->kid_number + 1, second_node);
+    auto cur_elem = parent;
+    ++cur_elem; // points to end() for leaf nodes
+    int old_idx = (is_leaf ? this->item_number : cur_elem->kid_number);
+    if (old_idx >= start_idx) {
+        ++parent->kid_number;
+        if (is_leaf) {
+            QTC::TC("qpdf", "NNTree split second half item");
+            setItemNumber(second_node, this->item_number - start_idx);
+        } else {
+            QTC::TC("qpdf", "NNTree split second half kid");
+            cur_elem->node = second_node;
+            cur_elem->kid_number -= start_idx;
+        }
+    }
+    if (!is_root) {
+        QTC::TC("qpdf", "NNTree split parent");
+        auto next = parent->node;
+        resetLimits(next, parent);
+        --parent;
+        split(next, parent);
+    }
+}
+
+std::list<NNTreeIterator::PathElement>::iterator
+NNTreeIterator::lastPathElement()
+{
+    auto result = this->path.end();
+    if (!this->path.empty()) {
+        --result;
+    }
+    return result;
+}
+
+void
+NNTreeIterator::insertAfter(QPDFObjectHandle key, QPDFObjectHandle value)
+{
+    if (!valid()) {
+        QTC::TC("qpdf", "NNTree insertAfter inserts first");
+        impl.insertFirst(key, value);
+        deepen(impl.oh, true, false);
+        return;
+    }
+
+    auto items = this->node.getKey(impl.details.itemsKey());
+    if (!items.isArray()) {
+        error(impl.qpdf, node, "node contains no items array");
+    }
+    if (items.getArrayNItems() < this->item_number + 2) {
+        error(impl.qpdf, node, "insert: items array is too short");
+    }
+    items.insertItem(this->item_number + 2, key);
+    items.insertItem(this->item_number + 3, value);
+    resetLimits(this->node, lastPathElement());
+    split(this->node, lastPathElement());
+    increment(false);
+}
+
+void
+NNTreeIterator::remove()
+{
+    // Remove this item, leaving the tree valid and this iterator
+    // pointing to the next item.
+
+    if (!valid()) {
+        throw std::logic_error("attempt made to remove an invalid iterator");
+    }
+    auto items = this->node.getKey(impl.details.itemsKey());
+    int nitems = items.getArrayNItems();
+    if (this->item_number + 2 > nitems) {
+        error(
+            impl.qpdf,
+            this->node,
+            "found short items array while removing an item");
+    }
+
+    items.eraseItem(this->item_number);
+    items.eraseItem(this->item_number);
+    nitems -= 2;
+
+    if (nitems > 0) {
+        // There are still items left
+
+        if ((this->item_number == 0) || (this->item_number == nitems)) {
+            // We removed either the first or last item of an items array
+            // that remains non-empty, so we have to adjust limits.
+            QTC::TC("qpdf", "NNTree remove reset limits");
+            resetLimits(this->node, lastPathElement());
+        }
+
+        if (this->item_number == nitems) {
+            // We removed the last item of a non-empty items array, so
+            // advance to the successor of the previous item.
+            QTC::TC("qpdf", "NNTree erased last item");
+            this->item_number -= 2;
+            increment(false);
+        } else if (this->item_number < nitems) {
+            // We don't have to do anything since the removed item's
+            // successor now occupies its former location.
+            QTC::TC("qpdf", "NNTree erased non-last item");
+            updateIValue();
+        } else {
+            // We already checked to ensure this condition would not
+            // happen.
+            throw std::logic_error(
+                "NNTreeIterator::remove: item_number > nitems after erase");
+        }
+        return;
+    }
+
+    if (this->path.empty()) {
+        // Special case: if this is the root node, we can leave it
+        // empty.
+        QTC::TC("qpdf", "NNTree erased all items on leaf/root");
+        setItemNumber(impl.oh, -1);
+        return;
+    }
+
+    QTC::TC("qpdf", "NNTree items is empty after remove");
+
+    // We removed the last item from this items array, so we need to
+    // remove this node from the parent on up the tree. Then we need
+    // to position ourselves at the removed item's successor.
+    bool done = false;
+    while (!done) {
+        auto element = lastPathElement();
+        auto parent = element;
+        --parent;
+        auto kids = element->node.getKey("/Kids");
+        kids.eraseItem(element->kid_number);
+        auto nkids = kids.getArrayNItems();
+        if (nkids > 0) {
+            // The logic here is similar to the items case.
+            if ((element->kid_number == 0) || (element->kid_number == nkids)) {
+                QTC::TC("qpdf", "NNTree erased first or last kid");
+                resetLimits(element->node, parent);
+            }
+            if (element->kid_number == nkids) {
+                // Move to the successor of the last child of the
+                // previous kid.
+                setItemNumber(QPDFObjectHandle(), -1);
+                --element->kid_number;
+                deepen(kids.getArrayItem(element->kid_number), false, true);
+                if (valid()) {
+                    increment(false);
+                    if (!valid()) {
+                        QTC::TC("qpdf", "NNTree erased last item in tree");
+                    } else {
+                        QTC::TC("qpdf", "NNTree erased last kid");
+                    }
+                }
+            } else {
+                // Next kid is in deleted kid's position
+                QTC::TC("qpdf", "NNTree erased non-last kid");
+                deepen(kids.getArrayItem(element->kid_number), true, true);
+            }
+            done = true;
+        } else if (parent == this->path.end()) {
+            // We erased the very last item. Convert the root to an
+            // empty items array.
+            QTC::TC("qpdf", "NNTree non-flat tree is empty after remove");
+            element->node.removeKey("/Kids");
+            element->node.replaceKey(
+                impl.details.itemsKey(), QPDFObjectHandle::newArray());
+            this->path.clear();
+            setItemNumber(impl.oh, -1);
+            done = true;
+        } else {
+            // Walk up the tree and continue
+            QTC::TC("qpdf", "NNTree remove walking up tree");
+            this->path.pop_back();
+        }
+    }
+}
+
+NNTreeIterator&
+NNTreeIterator::operator++()
+{
+    increment(false);
+    return *this;
+}
+
+NNTreeIterator&
+NNTreeIterator::operator--()
+{
+    increment(true);
+    return *this;
+}
+
+NNTreeIterator::reference
+NNTreeIterator::operator*()
+{
+    updateIValue(false);
+    return this->ivalue;
+}
+
+NNTreeIterator::pointer
+NNTreeIterator::operator->()
+{
+    updateIValue(false);
+    return &(this->ivalue);
+}
+
+bool
+NNTreeIterator::operator==(NNTreeIterator const& other) const
+{
+    if ((this->item_number == -1) && (other.item_number == -1)) {
+        return true;
+    }
+    if (this->path.size() != other.path.size()) {
+        return false;
+    }
+    auto tpi = this->path.begin();
+    auto opi = other.path.begin();
+    while (tpi != this->path.end()) {
+        if (tpi->kid_number != opi->kid_number) {
+            return false;
+        }
+        ++tpi;
+        ++opi;
+    }
+    if (this->item_number != other.item_number) {
+        return false;
+    }
+    return true;
+}
+
+void
+NNTreeIterator::setItemNumber(QPDFObjectHandle const& node, int n)
+{
+    this->node = node;
+    this->item_number = n;
+    updateIValue();
+}
+
+void
+NNTreeIterator::addPathElement(QPDFObjectHandle const& node, int kid_number)
+{
+    this->path.push_back(PathElement(node, kid_number));
+}
+
+bool
+NNTreeIterator::deepen(QPDFObjectHandle node, bool first, bool allow_empty)
+{
+    // Starting at this node, descend through the first or last kid
+    // until we reach a node with items. If we succeed, return true;
+    // otherwise return false and leave path alone.
+
+    auto opath = this->path;
+    bool failed = false;
+
+    std::set<QPDFObjGen> seen;
+    for (auto i: this->path) {
+        if (i.node.isIndirect()) {
+            seen.insert(i.node.getObjGen());
+        }
+    }
+    while (!failed) {
+        if (node.isIndirect()) {
+            auto og = node.getObjGen();
+            if (seen.count(og)) {
+                QTC::TC("qpdf", "NNTree deepen: loop");
+                warn(
+                    impl.qpdf,
+                    node,
+                    "loop detected while traversing name/number tree");
+                failed = true;
+                break;
+            }
+            seen.insert(og);
+        }
+        if (!node.isDictionary()) {
+            QTC::TC("qpdf", "NNTree node is not a dictionary");
+            warn(
+                impl.qpdf,
+                node,
+                "non-dictionary node while traversing name/number tree");
+            failed = true;
+            break;
+        }
+
+        auto kids = node.getKey("/Kids");
+        int nkids = kids.isArray() ? kids.getArrayNItems() : 0;
+        auto items = node.getKey(impl.details.itemsKey());
+        int nitems = items.isArray() ? items.getArrayNItems() : 0;
+        if (nitems > 0) {
+            setItemNumber(node, first ? 0 : nitems - 2);
+            break;
+        } else if (nkids > 0) {
+            int kid_number = first ? 0 : nkids - 1;
+            addPathElement(node, kid_number);
+            auto next = kids.getArrayItem(kid_number);
+            if (!next.isIndirect()) {
+                if (impl.auto_repair) {
+                    QTC::TC("qpdf", "NNTree fix indirect kid");
+                    warn(
+                        impl.qpdf,
+                        node,
+                        ("converting kid number " +
+                         QUtil::int_to_string(kid_number) +
+                         " to an indirect object"));
+                    next = impl.qpdf.makeIndirectObject(next);
+                    kids.setArrayItem(kid_number, next);
+                } else {
+                    QTC::TC("qpdf", "NNTree warn indirect kid");
+                    warn(
+                        impl.qpdf,
+                        node,
+                        ("kid number " + QUtil::int_to_string(kid_number) +
+                         " is not an indirect object"));
+                }
+            }
+            node = next;
+        } else if (allow_empty && items.isArray()) {
+            QTC::TC("qpdf", "NNTree deepen found empty");
+            setItemNumber(node, -1);
+            break;
+        } else {
+            QTC::TC("qpdf", "NNTree deepen: invalid node");
+            warn(
+                impl.qpdf,
+                node,
+                ("name/number tree node has neither non-empty " +
+                 impl.details.itemsKey() + " nor /Kids"));
+            failed = true;
+            break;
+        }
+    }
+    if (failed) {
+        this->path = opath;
+        return false;
+    }
+    return true;
+}
+
+NNTreeImpl::NNTreeImpl(
+    NNTreeDetails const& details,
+    QPDF& qpdf,
+    QPDFObjectHandle& oh,
+    bool auto_repair) :
+    details(details),
+    qpdf(qpdf),
+    split_threshold(32),
+    oh(oh),
+    auto_repair(auto_repair)
+{
+}
+
+void
+NNTreeImpl::setSplitThreshold(int split_threshold)
+{
+    this->split_threshold = split_threshold;
+}
+
+NNTreeImpl::iterator
+NNTreeImpl::begin()
+{
+    iterator result(*this);
+    result.deepen(this->oh, true, true);
+    return result;
+}
+
+NNTreeImpl::iterator
+NNTreeImpl::end()
+{
+    return iterator(*this);
+}
+
+NNTreeImpl::iterator
+NNTreeImpl::last()
+{
+    iterator result(*this);
+    result.deepen(this->oh, false, true);
+    return result;
+}
+
+int
+NNTreeImpl::withinLimits(QPDFObjectHandle key, QPDFObjectHandle node)
+{
+    int result = 0;
+    auto limits = node.getKey("/Limits");
+    if (limits.isArray() && (limits.getArrayNItems() >= 2) &&
+        details.keyValid(limits.getArrayItem(0)) &&
+        details.keyValid(limits.getArrayItem(1))) {
+        if (details.compareKeys(key, limits.getArrayItem(0)) < 0) {
+            result = -1;
+        } else if (details.compareKeys(key, limits.getArrayItem(1)) > 0) {
+            result = 1;
+        }
+    } else {
+        QTC::TC("qpdf", "NNTree missing limits");
+        error(qpdf, node, "node is missing /Limits");
+    }
+    return result;
+}
+
+int
+NNTreeImpl::binarySearch(
+    QPDFObjectHandle key,
+    QPDFObjectHandle items,
+    int num_items,
+    bool return_prev_if_not_found,
+    int (NNTreeImpl::*compare)(
+        QPDFObjectHandle& key, QPDFObjectHandle& arr, int item))
+{
+    int max_idx = 1;
+    while (max_idx < num_items) {
+        max_idx <<= 1;
+    }
+
+    int step = max_idx / 2;
+    int checks = max_idx;
+    int idx = step;
+    int found_idx = -1;
+    bool found = false;
+    bool found_leq = false;
+    int status = 0;
+
+    while ((!found) && (checks > 0)) {
+        if (idx < num_items) {
+            status = (this->*compare)(key, items, idx);
+            if (status >= 0) {
+                found_leq = true;
+                found_idx = idx;
+            }
+        } else {
+            // consider item to be below anything after the top
+            status = -1;
+        }
+
+        if (status == 0) {
+            found = true;
+        } else {
+            checks >>= 1;
+            if (checks > 0) {
+                step >>= 1;
+                if (step == 0) {
+                    step = 1;
+                }
+
+                if (status < 0) {
+                    idx -= step;
+                } else {
+                    idx += step;
+                }
+            }
+        }
+    }
+
+    if (found || (found_leq && return_prev_if_not_found)) {
+        return found_idx;
+    } else {
+        return -1;
+    }
+}
+
+int
+NNTreeImpl::compareKeyItem(
+    QPDFObjectHandle& key, QPDFObjectHandle& items, int idx)
+{
+    if (!((items.isArray() && (items.getArrayNItems() > (2 * idx)) &&
+           details.keyValid(items.getArrayItem(2 * idx))))) {
+        QTC::TC("qpdf", "NNTree item is wrong type");
+        error(
+            qpdf,
+            this->oh,
+            ("item at index " + QUtil::int_to_string(2 * idx) +
+             " is not the right type"));
+    }
+    return details.compareKeys(key, items.getArrayItem(2 * idx));
+}
+
+int
+NNTreeImpl::compareKeyKid(
+    QPDFObjectHandle& key, QPDFObjectHandle& kids, int idx)
+{
+    if (!(kids.isArray() && (idx < kids.getArrayNItems()) &&
+          kids.getArrayItem(idx).isDictionary())) {
+        QTC::TC("qpdf", "NNTree kid is invalid");
+        error(
+            qpdf,
+            this->oh,
+            "invalid kid at index " + QUtil::int_to_string(idx));
+    }
+    return withinLimits(key, kids.getArrayItem(idx));
+}
+
+void
+NNTreeImpl::repair()
+{
+    auto new_node = QPDFObjectHandle::newDictionary();
+    new_node.replaceKey(details.itemsKey(), QPDFObjectHandle::newArray());
+    NNTreeImpl repl(details, qpdf, new_node, false);
+    for (auto const& i: *this) {
+        repl.insert(i.first, i.second);
+    }
+    this->oh.replaceKey("/Kids", new_node.getKey("/Kids"));
+    this->oh.replaceKey(
+        details.itemsKey(), new_node.getKey(details.itemsKey()));
+}
+
+NNTreeImpl::iterator
+NNTreeImpl::find(QPDFObjectHandle key, bool return_prev_if_not_found)
+{
+    try {
+        return findInternal(key, return_prev_if_not_found);
+    } catch (QPDFExc& e) {
+        if (this->auto_repair) {
+            QTC::TC("qpdf", "NNTree repair");
+            warn(
+                qpdf,
+                this->oh,
+                std::string("attempting to repair after error: ") + e.what());
+            repair();
+            return findInternal(key, return_prev_if_not_found);
+        } else {
+            throw e;
+        }
+    }
+}
+
+NNTreeImpl::iterator
+NNTreeImpl::findInternal(QPDFObjectHandle key, bool return_prev_if_not_found)
+{
+    auto first_item = begin();
+    auto last_item = end();
+    if (first_item == end()) {
+        // Empty
+        return end();
+    } else if (
+        first_item.valid() && details.keyValid(first_item->first) &&
+        details.compareKeys(key, first_item->first) < 0) {
+        // Before the first key
+        return end();
+    } else if (
+        last_item.valid() && details.keyValid(last_item->first) &&
+        details.compareKeys(key, last_item->first) > 0) {
+        // After the last key
+        if (return_prev_if_not_found) {
+            return last_item;
+        } else {
+            return end();
+        }
+    }
+
+    std::set<QPDFObjGen> seen;
+    auto node = this->oh;
+    iterator result(*this);
+
+    while (true) {
+        auto og = node.getObjGen();
+        if (seen.count(og)) {
+            QTC::TC("qpdf", "NNTree loop in find");
+            error(qpdf, node, "loop detected in find");
+        }
+        seen.insert(og);
+
+        auto kids = node.getKey("/Kids");
+        int nkids = kids.isArray() ? kids.getArrayNItems() : 0;
+        auto items = node.getKey(details.itemsKey());
+        int nitems = items.isArray() ? items.getArrayNItems() : 0;
+        if (nitems > 0) {
+            int idx = binarySearch(
+                key,
+                items,
+                nitems / 2,
+                return_prev_if_not_found,
+                &NNTreeImpl::compareKeyItem);
+            if (idx >= 0) {
+                result.setItemNumber(node, 2 * idx);
+            }
+            break;
+        } else if (nkids > 0) {
+            int idx = binarySearch(
+                key, kids, nkids, true, &NNTreeImpl::compareKeyKid);
+            if (idx == -1) {
+                QTC::TC("qpdf", "NNTree -1 in binary search");
+                error(
+                    qpdf,
+                    node,
+                    "unexpected -1 from binary search of kids;"
+                    " limits may by wrong");
+            }
+            result.addPathElement(node, idx);
+            node = kids.getArrayItem(idx);
+        } else {
+            QTC::TC("qpdf", "NNTree bad node during find");
+            error(qpdf, node, "bad node during find");
+        }
+    }
+
+    return result;
+}
+
+NNTreeImpl::iterator
+NNTreeImpl::insertFirst(QPDFObjectHandle key, QPDFObjectHandle value)
+{
+    auto iter = begin();
+    QPDFObjectHandle items;
+    if (iter.node.isDictionary()) {
+        items = iter.node.getKey(details.itemsKey());
+    }
+    if (!(items.isArray())) {
+        QTC::TC("qpdf", "NNTree no valid items node in insertFirst");
+        error(qpdf, this->oh, "unable to find a valid items node");
+    }
+    items.insertItem(0, key);
+    items.insertItem(1, value);
+    iter.setItemNumber(iter.node, 0);
+    iter.resetLimits(iter.node, iter.lastPathElement());
+    iter.split(iter.node, iter.lastPathElement());
+    return iter;
+}
+
+NNTreeImpl::iterator
+NNTreeImpl::insert(QPDFObjectHandle key, QPDFObjectHandle value)
+{
+    auto iter = find(key, true);
+    if (!iter.valid()) {
+        QTC::TC("qpdf", "NNTree insert inserts first");
+        return insertFirst(key, value);
+    } else if (details.compareKeys(key, iter->first) == 0) {
+        QTC::TC("qpdf", "NNTree insert replaces");
+        auto items = iter.node.getKey(details.itemsKey());
+        items.setArrayItem(iter.item_number + 1, value);
+        iter.updateIValue();
+    } else {
+        QTC::TC("qpdf", "NNTree insert inserts after");
+        iter.insertAfter(key, value);
+    }
+    return iter;
+}
+
+bool
+NNTreeImpl::remove(QPDFObjectHandle key, QPDFObjectHandle* value)
+{
+    auto iter = find(key, false);
+    if (!iter.valid()) {
+        QTC::TC("qpdf", "NNTree remove not found");
+        return false;
+    }
+    if (value) {
+        *value = iter->second;
+    }
+    iter.remove();
+    return true;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/OffsetInputSource.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/OffsetInputSource.cc Changed

@@ -1,14 +1,20 @@
 #include <qpdf/OffsetInputSource.hh>
 
-OffsetInputSource::OffsetInputSource(PointerHolder<InputSource> proxied,
-                                     qpdf_offset_t global_offset) :
+#include <limits>
+#include <sstream>
+#include <stdexcept>
+
+OffsetInputSource::OffsetInputSource(
+    std::shared_ptr<InputSource> proxied, qpdf_offset_t global_offset) :
     proxied(proxied),
     global_offset(global_offset)
 {
-}
-
-OffsetInputSource::~OffsetInputSource()
-{
+    if (global_offset < 0) {
+        throw std::logic_error(
+            "OffsetInputSource constructed with negative offset");
+    }
+    this->max_safe_offset =
+        std::numeric_limits<qpdf_offset_t>::max() - global_offset;
 }
 
 qpdf_offset_t
@@ -32,14 +38,22 @@
 void
 OffsetInputSource::seek(qpdf_offset_t offset, int whence)
 {
-    if (whence == SEEK_SET)
-    {
+    if (whence == SEEK_SET) {
+        if (offset > this->max_safe_offset) {
+            std::ostringstream msg;
+            msg.imbue(std::locale::classic());
+            msg << "seeking to " << offset << " offset by " << global_offset
+                << " would cause an overflow of the offset type";
+            throw std::range_error(msg.str());
+        }
         this->proxied->seek(offset + global_offset, whence);
-    }
-    else
-    {
+    } else {
         this->proxied->seek(offset, whence);
     }
+    if (tell() < 0) {
+        throw std::runtime_error(
+            "offset input source: seek before beginning of file");
+    }
 }
 
 void

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/PDFVersion.cc Added

@@ -0,0 +1,71 @@
+#include <qpdf/PDFVersion.hh>
+
+#include <qpdf/QUtil.hh>
+
+PDFVersion::PDFVersion() :
+    PDFVersion(0, 0, 0)
+{
+}
+
+PDFVersion::PDFVersion(
+    int major_version, int minor_version, int extension_level) :
+    major_version(major_version),
+    minor_version(minor_version),
+    extension_level(extension_level)
+{
+}
+
+bool
+PDFVersion::operator<(PDFVersion const& rhs) const
+{
+    return (
+        (this->major_version < rhs.major_version)           ? true
+            : (this->major_version > rhs.major_version)     ? false
+            : (this->minor_version < rhs.minor_version)     ? true
+            : (this->minor_version > rhs.minor_version)     ? false
+            : (this->extension_level < rhs.extension_level) ? true
+                                                            : false);
+}
+
+bool
+PDFVersion::operator==(PDFVersion const& rhs) const
+{
+    return (
+        (this->major_version == rhs.major_version) &&
+        (this->minor_version == rhs.minor_version) &&
+        (this->extension_level == rhs.extension_level));
+}
+
+void
+PDFVersion::updateIfGreater(PDFVersion const& other)
+{
+    if (*this < other) {
+        *this = other;
+    }
+}
+
+void
+PDFVersion::getVersion(std::string& version, int& extension_level) const
+{
+    extension_level = this->extension_level;
+    version = QUtil::int_to_string(this->major_version) + "." +
+        QUtil::int_to_string(this->minor_version);
+}
+
+int
+PDFVersion::getMajor() const
+{
+    return this->major_version;
+}
+
+int
+PDFVersion::getMinor() const
+{
+    return this->minor_version;
+}
+
+int
+PDFVersion::getExtensionLevel() const
+{
+    return this->extension_level;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pipeline.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pipeline.cc Changed

@@ -1,4 +1,8 @@
 #include <qpdf/Pipeline.hh>
+
+#include <qpdf/QUtil.hh>
+
+#include <cstring>
 #include <stdexcept>
 
 Pipeline::Pipeline(char const* identifier, Pipeline* next) :
@@ -7,18 +11,107 @@
 {
 }
 
-Pipeline::~Pipeline()
-{
-}
-
 Pipeline*
 Pipeline::getNext(bool allow_null)
 {
-    if ((next == 0) && (! allow_null))
-    {
-	throw std::logic_error(
-	    this->identifier +
-	    ": Pipeline::getNext() called on pipeline with no next");
+    if ((this->next == nullptr) && (!allow_null)) {
+        throw std::logic_error(
+            this->identifier +
+            ": Pipeline::getNext() called on pipeline with no next");
     }
     return this->next;
 }
+
+std::string
+Pipeline::getIdentifier() const
+{
+    return this->identifier;
+}
+
+void
+Pipeline::writeCStr(char const* cstr)
+{
+    this->write(cstr, strlen(cstr));
+}
+
+void
+Pipeline::writeString(std::string const& str)
+{
+    this->write(str.c_str(), str.length());
+}
+
+Pipeline&
+Pipeline::operator<<(char const* cstr)
+{
+    this->writeCStr(cstr);
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(std::string const& str)
+{
+    this->writeString(str);
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(short i)
+{
+    this->writeString(QUtil::int_to_string(i));
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(int i)
+{
+    this->writeString(QUtil::int_to_string(i));
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(long i)
+{
+    this->writeString(QUtil::int_to_string(i));
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(long long i)
+{
+    this->writeString(QUtil::int_to_string(i));
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(unsigned short i)
+{
+    this->writeString(QUtil::uint_to_string(i));
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(unsigned int i)
+{
+    this->writeString(QUtil::uint_to_string(i));
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(unsigned long i)
+{
+    this->writeString(QUtil::uint_to_string(i));
+    return *this;
+}
+
+Pipeline&
+Pipeline::operator<<(unsigned long long i)
+{
+    this->writeString(QUtil::uint_to_string(i));
+    return *this;
+}
+
+void
+Pipeline::write(char const* data, size_t len)
+{
+    this->write(reinterpret_cast<unsigned char const*>(data), len);
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_AES_PDF.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_AES_PDF.cc Changed

@@ -1,52 +1,37 @@
 #include <qpdf/Pl_AES_PDF.hh>
+
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFCryptoProvider.hh>
 #include <qpdf/QUtil.hh>
 #include <cstring>
-#include <assert.h>
 #include <stdexcept>
-#include <qpdf/rijndael.h>
-#include <string>
 #include <stdlib.h>
+#include <string>
 
 bool Pl_AES_PDF::use_static_iv = false;
 
-Pl_AES_PDF::Pl_AES_PDF(char const* identifier, Pipeline* next,
-		       bool encrypt, unsigned char const* key,
-                       unsigned int key_bytes) :
+Pl_AES_PDF::Pl_AES_PDF(
+    char const* identifier,
+    Pipeline* next,
+    bool encrypt,
+    unsigned char const* key,
+    size_t key_bytes) :
     Pipeline(identifier, next),
+    crypto(QPDFCryptoProvider::getImpl()),
     encrypt(encrypt),
     cbc_mode(true),
     first(true),
     offset(0),
-    nrounds(0),
+    key_bytes(key_bytes),
     use_zero_iv(false),
     use_specified_iv(false),
     disable_padding(false)
 {
-    unsigned int keybits = 8 * key_bytes;
-    assert(key_bytes == KEYLENGTH(keybits));
-    this->key = new unsigned charkey_bytes;
-    this->rk = new uint32_tRKLENGTH(keybits);
-    unsigned int rk_bytes = RKLENGTH(keybits) * sizeof(uint32_t);
-    std::memcpy(this->key, key, key_bytes);
-    std::memset(this->rk, 0, rk_bytes);
+    this->key = std::make_unique<unsigned char>(key_bytes);
+    std::memcpy(this->key.get(), key, key_bytes);
     std::memset(this->inbuf, 0, this->buf_size);
     std::memset(this->outbuf, 0, this->buf_size);
     std::memset(this->cbc_block, 0, this->buf_size);
-    if (encrypt)
-    {
-	this->nrounds = rijndaelSetupEncrypt(this->rk, this->key, keybits);
-    }
-    else
-    {
-	this->nrounds = rijndaelSetupDecrypt(this->rk, this->key, keybits);
-    }
-    assert(this->nrounds == NROUNDS(keybits));
-}
-
-Pl_AES_PDF::~Pl_AES_PDF()
-{
-    delete  this->key;
-    delete  this->rk;
 }
 
 void
@@ -64,11 +49,11 @@
 void
 Pl_AES_PDF::setIV(unsigned char const* iv, size_t bytes)
 {
-    if (bytes != this->buf_size)
-    {
+    if (bytes != this->buf_size) {
         throw std::logic_error(
             "Pl_AES_PDF: specified initialization vector"
-            " size in bytes must be " + QUtil::int_to_string(bytes));
+            " size in bytes must be " +
+            QUtil::uint_to_string(bytes));
     }
     this->use_specified_iv = true;
     memcpy(this->specified_iv, iv, bytes);
@@ -87,90 +72,76 @@
 }
 
 void
-Pl_AES_PDF::write(unsigned char* data, size_t len)
+Pl_AES_PDF::write(unsigned char const* data, size_t len)
 {
     size_t bytes_left = len;
-    unsigned char* p = data;
+    unsigned char const* p = data;
 
-    while (bytes_left > 0)
-    {
-	if (this->offset == this->buf_size)
-	{
-	    flush(false);
-	}
+    while (bytes_left > 0) {
+        if (this->offset == this->buf_size) {
+            flush(false);
+        }
 
-	size_t available = this->buf_size - this->offset;
-	size_t bytes = (bytes_left < available ? bytes_left : available);
-	bytes_left -= bytes;
-	std::memcpy(this->inbuf + this->offset, p, bytes);
-	this->offset += bytes;
-	p += bytes;
+        size_t available = this->buf_size - this->offset;
+        size_t bytes = (bytes_left < available ? bytes_left : available);
+        bytes_left -= bytes;
+        std::memcpy(this->inbuf + this->offset, p, bytes);
+        this->offset += bytes;
+        p += bytes;
     }
 }
 
 void
 Pl_AES_PDF::finish()
 {
-    if (this->encrypt)
-    {
-	if (this->offset == this->buf_size)
-	{
-	    flush(false);
-	}
-        if (! this->disable_padding)
-        {
+    if (this->encrypt) {
+        if (this->offset == this->buf_size) {
+            flush(false);
+        }
+        if (!this->disable_padding) {
             // Pad as described in section 3.5.1 of version 1.7 of the PDF
             // specification, including providing an entire block of padding
             // if the input was a multiple of 16 bytes.
-            unsigned char pad =
-                static_cast<unsigned char>(this->buf_size - this->offset);
+            unsigned char pad = QIntC::to_uchar(this->buf_size - this->offset);
             memset(this->inbuf + this->offset, pad, pad);
             this->offset = this->buf_size;
             flush(false);
         }
+    } else {
+        if (this->offset != this->buf_size) {
+            // This is never supposed to happen as the output is
+            // always supposed to be padded.  However, we have
+            // encountered files for which the output is not a
+            // multiple of the block size.  In this case, pad with
+            // zeroes and hope for the best.
+            if (this->offset >= this->buf_size) {
+                throw std::logic_error("buffer overflow in AES encryption"
+                                       " pipeline");
+            }
+            std::memset(
+                this->inbuf + this->offset, 0, this->buf_size - this->offset);
+            this->offset = this->buf_size;
+        }
+        flush(!this->disable_padding);
     }
-    else
-    {
-	if (this->offset != this->buf_size)
-	{
-	    // This is never supposed to happen as the output is
-	    // always supposed to be padded.  However, we have
-	    // encountered files for which the output is not a
-	    // multiple of the block size.  In this case, pad with
-	    // zeroes and hope for the best.
-	    assert(this->buf_size > this->offset);
-	    std::memset(this->inbuf + this->offset, 0,
-			this->buf_size - this->offset);
-	    this->offset = this->buf_size;
-	}
-	flush(! this->disable_padding);
-    }
+    this->crypto->rijndael_finalize();
     getNext()->finish();
 }
 
 void
 Pl_AES_PDF::initializeVector()
 {
-    if (use_zero_iv)
-    {
-	for (unsigned int i = 0; i < this->buf_size; ++i)
-	{
-	    this->cbc_blocki = 0;
-	}
-    }
-    else if (use_specified_iv)
-    {
+    if (use_zero_iv) {
+        for (unsigned int i = 0; i < this->buf_size; ++i) {
+            this->cbc_blocki = 0;
+        }
+    } else if (use_specified_iv) {
         std::memcpy(this->cbc_block, this->specified_iv, this->buf_size);
-    }
-    else if (use_static_iv)
-    {
-	for (unsigned int i = 0; i < this->buf_size; ++i)
-	{
-	    this->cbc_blocki = 14 * (1 + i);
-	}
-    }
-    else
-    {
+    } else if (use_static_iv) {
+        for (unsigned int i = 0; i < this->buf_size; ++i) {
+            this->cbc_blocki = static_cast<unsigned char>(14U * (1U + i));
+        }
+    } else {
         QUtil::initializeWithRandomBytes(this->cbc_block, this->buf_size);
     }
 }
@@ -178,88 +149,62 @@
 void
 Pl_AES_PDF::flush(bool strip_padding)
 {
-    assert(this->offset == this->buf_size);
+    if (this->offset != this->buf_size) {
+        throw std::logic_error(
+            "AES pipeline: flush called when buffer was not full");
+    }
 
-    if (first)
-    {
-	first = false;
-	if (this->cbc_mode)
-	{
-	    if (encrypt)
-	    {
-		// Set cbc_block to the initialization vector, and if
-		// not zero, write it to the output stream.
-		initializeVector();
-                if (! (this->use_zero_iv || this->use_specified_iv))
-                {
+    if (first) {
+        first = false;
+        bool return_after_init = false;
+        if (this->cbc_mode) {
+            if (encrypt) {
+                // Set cbc_block to the initialization vector, and if
+                // not zero, write it to the output stream.
+                initializeVector();
+                if (!(this->use_zero_iv || this->use_specified_iv)) {
                     getNext()->write(this->cbc_block, this->buf_size);
                 }
-	    }
-	    else if (this->use_zero_iv || this->use_specified_iv)
-            {
+            } else if (this->use_zero_iv || this->use_specified_iv) {
                 // Initialize vector with zeroes; zero vector was not
                 // written to the beginning of the input file.
                 initializeVector();
+            } else {
+                // Take the first block of input as the initialization
+                // vector.  There's nothing to write at this time.
+                memcpy(this->cbc_block, this->inbuf, this->buf_size);
+                this->offset = 0;
+                return_after_init = true;
             }
-            else
-	    {
-		// Take the first block of input as the initialization
-		// vector.  There's nothing to write at this time.
-		memcpy(this->cbc_block, this->inbuf, this->buf_size);
-		this->offset = 0;
-		return;
-	    }
-	}
+        }
+        this->crypto->rijndael_init(
+            encrypt,
+            this->key.get(),
+            key_bytes,
+            this->cbc_mode,
+            this->cbc_block);
+        if (return_after_init) {
+            return;
+        }
     }
 
-    if (this->encrypt)
-    {
-	if (this->cbc_mode)
-	{
-	    for (unsigned int i = 0; i < this->buf_size; ++i)
-	    {
-		this->inbufi ^= this->cbc_blocki;
-	    }
-	}
-	rijndaelEncrypt(this->rk, this->nrounds, this->inbuf, this->outbuf);
-	if (this->cbc_mode)
-	{
-	    memcpy(this->cbc_block, this->outbuf, this->buf_size);
-	}
-    }
-    else
-    {
-	rijndaelDecrypt(this->rk, this->nrounds, this->inbuf, this->outbuf);
-	if (this->cbc_mode)
-	{
-	    for (unsigned int i = 0; i < this->buf_size; ++i)
-	    {
-		this->outbufi ^= this->cbc_blocki;
-	    }
-	    memcpy(this->cbc_block, this->inbuf, this->buf_size);
-	}
-    }
+    this->crypto->rijndael_process(this->inbuf, this->outbuf);
     unsigned int bytes = this->buf_size;
-    if (strip_padding)
-    {
-	unsigned char last = this->outbufthis->buf_size - 1;
-	if (last <= this->buf_size)
-	{
-	    bool strip = true;
-	    for (unsigned int i = 1; i <= last; ++i)
-	    {
-		if (this->outbufthis->buf_size - i != last)
-		{
-		    strip = false;
-		    break;
-		}
-	    }
-	    if (strip)
-	    {
-		bytes -= last;
-	    }
-	}
+    if (strip_padding) {
+        unsigned char last = this->outbufthis->buf_size - 1;
+        if (last <= this->buf_size) {
+            bool strip = true;
+            for (unsigned int i = 1; i <= last; ++i) {
+                if (this->outbufthis->buf_size - i != last) {
+                    strip = false;
+                    break;
+                }
+            }
+            if (strip) {
+                bytes -= last;
+            }
+        }
     }
-    getNext()->write(this->outbuf, bytes);
     this->offset = 0;
+    getNext()->write(this->outbuf, bytes);
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_ASCII85Decoder.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_ASCII85Decoder.cc Changed

@@ -1,4 +1,5 @@
 #include <qpdf/Pl_ASCII85Decoder.hh>
+
 #include <qpdf/QTC.hh>
 #include <stdexcept>
 #include <string.h>
@@ -11,118 +12,98 @@
     memset(this->inbuf, 117, 5);
 }
 
-Pl_ASCII85Decoder::~Pl_ASCII85Decoder()
-{
-}
-
 void
-Pl_ASCII85Decoder::write(unsigned char* buf, size_t len)
+Pl_ASCII85Decoder::write(unsigned char const* buf, size_t len)
 {
-    if (eod > 1)
-    {
-	return;
+    if (eod > 1) {
+        return;
     }
-    for (size_t i = 0; i < len; ++i)
-    {
-	if (eod > 1)
-	{
-	    break;
-	}
-	else if (eod == 1)
-	{
-	    if (bufi == '>')
-	    {
-		flush();
-		eod = 2;
-	    }
-	    else
-	    {
-		throw std::runtime_error(
-		    "broken end-of-data sequence in base 85 data");
-	    }
-	}
-	else
-	{
-	    switch (bufi)
-	    {
-	      case ' ':
-	      case '\f':
-	      case '\v':
-	      case '\t':
-	      case '\r':
-	      case '\n':
-		QTC::TC("libtests", "Pl_ASCII85Decoder ignore space");
-		// ignore whitespace
-		break;
+    for (size_t i = 0; i < len; ++i) {
+        if (eod > 1) {
+            break;
+        } else if (eod == 1) {
+            if (bufi == '>') {
+                flush();
+                eod = 2;
+            } else {
+                throw std::runtime_error(
+                    "broken end-of-data sequence in base 85 data");
+            }
+        } else {
+            switch (bufi) {
+            case ' ':
+            case '\f':
+            case '\v':
+            case '\t':
+            case '\r':
+            case '\n':
+                QTC::TC("libtests", "Pl_ASCII85Decoder ignore space");
+                // ignore whitespace
+                break;
 
-	      case '~':
-		eod = 1;
-		break;
+            case '~':
+                eod = 1;
+                break;
 
-	      case 'z':
-		if (pos != 0)
-		{
-		    throw std::runtime_error(
-			"unexpected z during base 85 decode");
-		}
-		else
-		{
-		    QTC::TC("libtests", "Pl_ASCII85Decoder read z");
+            case 'z':
+                if (pos != 0) {
+                    throw std::runtime_error(
+                        "unexpected z during base 85 decode");
+                } else {
+                    QTC::TC("libtests", "Pl_ASCII85Decoder read z");
                     unsigned char zeroes4;
                     memset(zeroes, '\0', 4);
-		    getNext()->write(zeroes, 4);
-		}
-		break;
+                    getNext()->write(zeroes, 4);
+                }
+                break;
 
-	      default:
-		if ((bufi < 33) || (bufi > 117))
-		{
-		    throw std::runtime_error(
-			"character out of range during base 85 decode");
-		}
-		else
-		{
-		    this->inbufthis->pos++ = bufi;
-		    if (pos == 5)
-		    {
-			flush();
-		    }
-		}
-		break;
-	    }
-	}
+            default:
+                if ((bufi < 33) || (bufi > 117)) {
+                    throw std::runtime_error(
+                        "character out of range during base 85 decode");
+                } else {
+                    this->inbufthis->pos++ = bufi;
+                    if (pos == 5) {
+                        flush();
+                    }
+                }
+                break;
+            }
+        }
     }
 }
 
 void
 Pl_ASCII85Decoder::flush()
 {
-    if (this->pos == 0)
-    {
-	QTC::TC("libtests", "Pl_ASCII85Decoder no-op flush");
-	return;
+    if (this->pos == 0) {
+        QTC::TC("libtests", "Pl_ASCII85Decoder no-op flush");
+        return;
     }
     unsigned long lval = 0;
-    for (int i = 0; i < 5; ++i)
-    {
-	lval *= 85;
-	lval += (this->inbufi - 33);
+    for (int i = 0; i < 5; ++i) {
+        lval *= 85;
+        lval += (this->inbufi - 33U);
     }
 
     unsigned char outbuf4;
     memset(outbuf, 0, 4);
-    for (int i = 3; i >= 0; --i)
-    {
-	outbufi = lval & 0xff;
-	lval >>= 8;
+    for (int i = 3; i >= 0; --i) {
+        outbufi = lval & 0xff;
+        lval >>= 8;
     }
 
-    QTC::TC("libtests", "Pl_ASCII85Decoder partial flush",
-	    (this->pos == 5) ? 0 : 1);
-    getNext()->write(outbuf, this->pos - 1);
-
+    QTC::TC(
+        "libtests",
+        "Pl_ASCII85Decoder partial flush",
+        (this->pos == 5) ? 0 : 1);
+    // Reset before calling getNext()->write in case that throws an
+    // exception.
+    auto t = this->pos - 1;
     this->pos = 0;
     memset(this->inbuf, 117, 5);
+
+    getNext()->write(outbuf, t);
 }
 
 void

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_ASCIIHexDecoder.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_ASCIIHexDecoder.cc Changed

@@ -1,8 +1,9 @@
 #include <qpdf/Pl_ASCIIHexDecoder.hh>
+
 #include <qpdf/QTC.hh>
+#include <ctype.h>
 #include <stdexcept>
 #include <string.h>
-#include <ctype.h>
 
 Pl_ASCIIHexDecoder::Pl_ASCIIHexDecoder(char const* identifier, Pipeline* next) :
     Pipeline(identifier, next),
@@ -14,95 +15,82 @@
     this->inbuf2 = '\0';
 }
 
-Pl_ASCIIHexDecoder::~Pl_ASCIIHexDecoder()
-{
-}
-
 void
-Pl_ASCIIHexDecoder::write(unsigned char* buf, size_t len)
+Pl_ASCIIHexDecoder::write(unsigned char const* buf, size_t len)
 {
-    if (this->eod)
-    {
-	return;
+    if (this->eod) {
+        return;
     }
-    for (size_t i = 0; i < len; ++i)
-    {
-	char ch = toupper(bufi);
-	switch (ch)
-	{
-	  case ' ':
-	  case '\f':
-	  case '\v':
-	  case '\t':
-	  case '\r':
-	  case '\n':
-	    QTC::TC("libtests", "Pl_ASCIIHexDecoder ignore space");
-	    // ignore whitespace
-	    break;
+    for (size_t i = 0; i < len; ++i) {
+        char ch = static_cast<char>(toupper(bufi));
+        switch (ch) {
+        case ' ':
+        case '\f':
+        case '\v':
+        case '\t':
+        case '\r':
+        case '\n':
+            QTC::TC("libtests", "Pl_ASCIIHexDecoder ignore space");
+            // ignore whitespace
+            break;
 
-	  case '>':
-	    this->eod = true;
-	    flush();
-	    break;
+        case '>':
+            this->eod = true;
+            flush();
+            break;
 
-	  default:
-	    if (((ch >= '0') && (ch <= '9')) ||
-		((ch >= 'A') && (ch <= 'F')))
-	    {
-		this->inbufthis->pos++ = ch;
-		if (this->pos == 2)
-		{
-		    flush();
-		}
-	    }
-	    else
-	    {
-		char t2;
-		t0 = ch;
-		t1 = 0;
-		throw std::runtime_error(
-		    std::string("character out of range"
-				" during base Hex decode: ") + t);
-	    }
-	    break;
-	}
-	if (this->eod)
-	{
-	    break;
-	}
+        default:
+            if (((ch >= '0') && (ch <= '9')) || ((ch >= 'A') && (ch <= 'F'))) {
+                this->inbufthis->pos++ = ch;
+                if (this->pos == 2) {
+                    flush();
+                }
+            } else {
+                char t2;
+                t0 = ch;
+                t1 = 0;
+                throw std::runtime_error(
+                    std::string("character out of range"
+                                " during base Hex decode: ") +
+                    t);
+            }
+            break;
+        }
+        if (this->eod) {
+            break;
+        }
     }
 }
 
 void
 Pl_ASCIIHexDecoder::flush()
 {
-    if (this->pos == 0)
-    {
-	QTC::TC("libtests", "Pl_ASCIIHexDecoder no-op flush");
-	return;
+    if (this->pos == 0) {
+        QTC::TC("libtests", "Pl_ASCIIHexDecoder no-op flush");
+        return;
     }
     int b2;
-    for (int i = 0; i < 2; ++i)
-    {
-	if (this->inbufi >= 'A')
-	{
-	    bi = this->inbufi - 'A' + 10;
-	}
-	else
-	{
-	    bi = this->inbufi - '0';
-	}
+    for (int i = 0; i < 2; ++i) {
+        if (this->inbufi >= 'A') {
+            bi = this->inbufi - 'A' + 10;
+        } else {
+            bi = this->inbufi - '0';
+        }
     }
     unsigned char ch = static_cast<unsigned char>((b0 << 4) + b1);
 
-    QTC::TC("libtests", "Pl_ASCIIHexDecoder partial flush",
-	    (this->pos == 2) ? 0 : 1);
-    getNext()->write(&ch, 1);
-
+    QTC::TC(
+        "libtests",
+        "Pl_ASCIIHexDecoder partial flush",
+        (this->pos == 2) ? 0 : 1);
+    // Reset before calling getNext()->write in case that throws an
+    // exception.
     this->pos = 0;
     this->inbuf0 = '0';
     this->inbuf1 = '0';
     this->inbuf2 = '\0';
+
+    getNext()->write(&ch, 1);
 }
 
 void

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_Base64.cc Added

@@ -0,0 +1,191 @@
+#include <qpdf/Pl_Base64.hh>
+
+#include <qpdf/QIntC.hh>
+#include <qpdf/QUtil.hh>
+#include <algorithm>
+#include <cstring>
+#include <stdexcept>
+
+static char
+to_c(unsigned int ch)
+{
+    return static_cast<char>(ch);
+}
+
+static unsigned char
+to_uc(int ch)
+{
+    return static_cast<unsigned char>(ch);
+}
+
+static int
+to_i(int i)
+{
+    return static_cast<int>(i);
+}
+
+Pl_Base64::Pl_Base64(char const* identifier, Pipeline* next, action_e action) :
+    Pipeline(identifier, next),
+    action(action),
+    pos(0),
+    end_of_data(false),
+    finished(false)
+{
+    reset();
+}
+
+void
+Pl_Base64::write(unsigned char const* data, size_t len)
+{
+    if (finished) {
+        throw std::logic_error("Pl_Base64 used after finished");
+    }
+    if (this->action == a_decode) {
+        decode(data, len);
+    } else {
+        encode(data, len);
+    }
+}
+
+void
+Pl_Base64::decode(unsigned char const* data, size_t len)
+{
+    unsigned char const* p = data;
+    while (len > 0) {
+        if (!QUtil::is_space(to_c(*p))) {
+            this->bufthis->pos++ = *p;
+            if (this->pos == 4) {
+                flush();
+            }
+        }
+        ++p;
+        --len;
+    }
+}
+
+void
+Pl_Base64::encode(unsigned char const* data, size_t len)
+{
+    unsigned char const* p = data;
+    while (len > 0) {
+        this->bufthis->pos++ = *p;
+        if (this->pos == 3) {
+            flush();
+        }
+        ++p;
+        --len;
+    }
+}
+
+void
+Pl_Base64::flush()
+{
+    if (this->action == a_decode) {
+        flush_decode();
+    } else {
+        flush_encode();
+    }
+    reset();
+}
+
+void
+Pl_Base64::flush_decode()
+{
+    if (this->end_of_data) {
+        throw std::runtime_error(
+            getIdentifier() + ": base64 decode: data follows pad characters");
+    }
+    int pad = 0;
+    int shift = 18;
+    int outval = 0;
+    for (size_t i = 0; i < 4; ++i) {
+        int v = 0;
+        char ch = to_c(this->bufi);
+        if ((ch >= 'A') && (ch <= 'Z')) {
+            v = ch - 'A';
+        } else if ((ch >= 'a') && (ch <= 'z')) {
+            v = ch - 'a' + 26;
+        } else if ((ch >= '0') && (ch <= '9')) {
+            v = ch - '0' + 52;
+        } else if ((ch == '+') || (ch == '-')) {
+            v = 62;
+        } else if ((ch == '/') || (ch == '_')) {
+            v = 63;
+        } else if (
+            (ch == '=') && ((i == 3) || ((i == 2) && (this->buf3 == '=')))) {
+            ++pad;
+            this->end_of_data = true;
+            v = 0;
+        } else {
+            throw std::runtime_error(
+                getIdentifier() + ": base64 decode: invalid input");
+        }
+        outval |= v << shift;
+        shift -= 6;
+    }
+    unsigned char out3 = {
+        to_uc(outval >> 16),
+        to_uc(0xff & (outval >> 8)),
+        to_uc(0xff & outval),
+    };
+
+    getNext()->write(out, QIntC::to_size(3 - pad));
+}
+
+void
+Pl_Base64::flush_encode()
+{
+    int outval = ((this->buf0 << 16) | (this->buf1 << 8) | (this->buf2));
+    unsigned char out4 = {
+        to_uc(outval >> 18),
+        to_uc(0x3f & (outval >> 12)),
+        to_uc(0x3f & (outval >> 6)),
+        to_uc(0x3f & outval),
+    };
+    for (size_t i = 0; i < 4; ++i) {
+        int ch = to_i(outi);
+        if (ch < 26) {
+            ch += 'A';
+        } else if (ch < 52) {
+            ch -= 26;
+            ch += 'a';
+        } else if (ch < 62) {
+            ch -= 52;
+            ch += '0';
+        } else if (ch == 62) {
+            ch = '+';
+        } else if (ch == 63) {
+            ch = '/';
+        }
+        outi = to_uc(ch);
+    }
+    for (size_t i = 0; i < 3 - this->pos; ++i) {
+        out3 - i = '=';
+    }
+    getNext()->write(out, 4);
+}
+
+void
+Pl_Base64::finish()
+{
+    if (this->pos > 0) {
+        if (finished) {
+            throw std::logic_error("Pl_Base64 used after finished");
+        }
+        if (this->action == a_decode) {
+            for (size_t i = this->pos; i < 4; ++i) {
+                this->bufi = '=';
+            }
+        }
+        flush();
+    }
+    this->finished = true;
+    getNext()->finish();
+}
+
+void
+Pl_Base64::reset()
+{
+    this->pos = 0;
+    memset(buf, 0, 4);
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_Buffer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_Buffer.cc Changed

@@ -1,84 +1,98 @@
 #include <qpdf/Pl_Buffer.hh>
-#include <stdexcept>
+
 #include <algorithm>
-#include <assert.h>
+#include <stdexcept>
+#include <stdlib.h>
 #include <string.h>
 
-Pl_Buffer::Pl_Buffer(char const* identifier, Pipeline* next) :
-    Pipeline(identifier, next),
+Pl_Buffer::Members::Members() :
     ready(true),
     total_size(0)
 {
 }
 
+Pl_Buffer::Pl_Buffer(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    m(new Members())
+{
+}
+
 Pl_Buffer::~Pl_Buffer()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
 }
 
 void
-Pl_Buffer::write(unsigned char* buf, size_t len)
+Pl_Buffer::write(unsigned char const* buf, size_t len)
 {
-    PointerHolder<Buffer> cur_buf;
-    size_t cur_size = 0;
-    if (! this->data.empty())
-    {
-        cur_buf = this->data.back();
-        cur_size = cur_buf->getSize();
+    if (this->m->data == nullptr) {
+        this->m->data = std::make_shared<Buffer>(len);
     }
-    size_t left = cur_size - this->total_size;
-    if (left < len)
-    {
-        size_t new_size = std::max(this->total_size + len, 2 * cur_size);
-        Buffer* b = new Buffer(new_size);
-        if (cur_buf.getPointer())
-        {
-            memcpy(b->getBuffer(), cur_buf->getBuffer(), this->total_size);
-        }
-        this->data.clear();
-        cur_buf = b;
-        this->data.push_back(cur_buf);
+    size_t cur_size = this->m->data->getSize();
+    size_t left = cur_size - this->m->total_size;
+    if (left < len) {
+        size_t new_size = std::max(this->m->total_size + len, 2 * cur_size);
+        auto b = std::make_shared<Buffer>(new_size);
+        memcpy(b->getBuffer(), this->m->data->getBuffer(), this->m->total_size);
+        this->m->data = b;
     }
-    if (len)
-    {
-        memcpy(cur_buf->getBuffer() + this->total_size, buf, len);
-        this->total_size += len;
+    if (len) {
+        memcpy(this->m->data->getBuffer() + this->m->total_size, buf, len);
+        this->m->total_size += len;
     }
-    this->ready = false;
+    this->m->ready = false;
 
-    if (getNext(true))
-    {
-	getNext()->write(buf, len);
+    if (getNext(true)) {
+        getNext()->write(buf, len);
     }
 }
 
 void
 Pl_Buffer::finish()
 {
-    this->ready = true;
-    if (getNext(true))
-    {
-	getNext()->finish();
+    this->m->ready = true;
+    if (getNext(true)) {
+        getNext()->finish();
     }
 }
 
 Buffer*
 Pl_Buffer::getBuffer()
 {
-    if (! this->ready)
-    {
-	throw std::logic_error("Pl_Buffer::getBuffer() called when not ready");
+    if (!this->m->ready) {
+        throw std::logic_error("Pl_Buffer::getBuffer() called when not ready");
     }
 
-    Buffer* b = new Buffer(this->total_size);
-    unsigned char* p = b->getBuffer();
-    if (! this->data.empty())
-    {
-        PointerHolder<Buffer> bp = this->data.back();
-        this->data.clear();
-        memcpy(p, bp->getBuffer(), this->total_size);
+    Buffer* b = new Buffer(this->m->total_size);
+    if (this->m->total_size > 0) {
+        unsigned char* p = b->getBuffer();
+        memcpy(p, this->m->data->getBuffer(), this->m->total_size);
     }
-    this->total_size = 0;
-    this->ready = false;
-
+    this->m = std::shared_ptr<Members>(new Members());
     return b;
 }
+
+std::shared_ptr<Buffer>
+Pl_Buffer::getBufferSharedPointer()
+{
+    return std::shared_ptr<Buffer>(getBuffer());
+}
+
+void
+Pl_Buffer::getMallocBuffer(unsigned char** buf, size_t* len)
+{
+    if (!this->m->ready) {
+        throw std::logic_error(
+            "Pl_Buffer::getMallocBuffer() called when not ready");
+    }
+
+    *len = this->m->total_size;
+    if (this->m->total_size > 0) {
+        *buf = reinterpret_cast<unsigned char*>(malloc(this->m->total_size));
+        memcpy(*buf, this->m->data->getBuffer(), this->m->total_size);
+    } else {
+        *buf = nullptr;
+    }
+    this->m = std::shared_ptr<Members>(new Members());
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_Concatenate.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_Concatenate.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_Count.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_Count.cc Changed

@@ -1,24 +1,32 @@
 #include <qpdf/Pl_Count.hh>
 
-Pl_Count::Pl_Count(char const* identifier, Pipeline* next) :
-    Pipeline(identifier, next),
+#include <qpdf/QIntC.hh>
+
+Pl_Count::Members::Members() :
     count(0),
     last_char('\0')
 {
 }
 
+Pl_Count::Pl_Count(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    m(new Members())
+{
+}
+
 Pl_Count::~Pl_Count()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
 }
 
 void
-Pl_Count::write(unsigned char* buf, size_t len)
+Pl_Count::write(unsigned char const* buf, size_t len)
 {
-    if (len)
-    {
-	this->count += len;
-	getNext()->write(buf, len);
-	this->last_char = buflen - 1;
+    if (len) {
+        this->m->count += QIntC::to_offset(len);
+        this->m->last_char = buflen - 1;
+        getNext()->write(buf, len);
     }
 }
 
@@ -31,11 +39,11 @@
 qpdf_offset_t
 Pl_Count::getCount() const
 {
-    return this->count;
+    return this->m->count;
 }
 
 unsigned char
 Pl_Count::getLastChar() const
 {
-    return this->last_char;
+    return this->m->last_char;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_DCT.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_DCT.cc Changed

@@ -1,8 +1,10 @@
 #include <qpdf/Pl_DCT.hh>
 
-#include <qpdf/QUtil.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 
+#include <cstring>
 #include <setjmp.h>
 #include <stdexcept>
 #include <stdlib.h>
@@ -12,12 +14,15 @@
 # error "qpdf does not support libjpeg built with BITS_IN_JSAMPLE != 8"
 #endif
 
-struct qpdf_jpeg_error_mgr
+namespace
 {
-    struct jpeg_error_mgr pub;
-    jmp_buf jmpbuf;
-    std::string msg;
-};
+    struct qpdf_jpeg_error_mgr
+    {
+        struct jpeg_error_mgr pub;
+        jmp_buf jmpbuf;
+        std::string msg;
+    };
+} // namespace
 
 static void
 error_handler(j_common_ptr cinfo)
@@ -30,51 +35,72 @@
     longjmp(jerr->jmpbuf, 1);
 }
 
+Pl_DCT::Members::Members(
+    action_e action,
+    char const* buf_description,
+    JDIMENSION image_width,
+    JDIMENSION image_height,
+    int components,
+    J_COLOR_SPACE color_space,
+    CompressConfig* config_callback) :
+    action(action),
+    buf(buf_description),
+    image_width(image_width),
+    image_height(image_height),
+    components(components),
+    color_space(color_space),
+    config_callback(config_callback)
+{
+}
+
 Pl_DCT::Pl_DCT(char const* identifier, Pipeline* next) :
     Pipeline(identifier, next),
-    action(a_decompress),
-    buf("DCT compressed image")
+    m(new Members(a_decompress, "DCT compressed image"))
 {
 }
 
-Pl_DCT::Pl_DCT(char const* identifier, Pipeline* next,
-               JDIMENSION image_width,
-               JDIMENSION image_height,
-               int components,
-               J_COLOR_SPACE color_space,
-               CompressConfig* config_callback) :
+Pl_DCT::Pl_DCT(
+    char const* identifier,
+    Pipeline* next,
+    JDIMENSION image_width,
+    JDIMENSION image_height,
+    int components,
+    J_COLOR_SPACE color_space,
+    CompressConfig* config_callback) :
     Pipeline(identifier, next),
-    action(a_compress),
-    buf("DCT uncompressed image"),
-    image_width(image_width),
-    image_height(image_height),
-    components(components),
-    color_space(color_space),
-    config_callback(config_callback)
+    m(new Members(
+        a_compress,
+        "DCT uncompressed image",
+        image_width,
+        image_height,
+        components,
+        color_space,
+        config_callback))
 {
 }
 
 Pl_DCT::~Pl_DCT()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
 }
 
 void
-Pl_DCT::write(unsigned char* data, size_t len)
+Pl_DCT::write(unsigned char const* data, size_t len)
 {
-    this->buf.write(data, len);
+    this->m->buf.write(data, len);
 }
 
 void
 Pl_DCT::finish()
 {
-    this->buf.finish();
+    this->m->buf.finish();
 
-    // Using a PointerHolder<Buffer> here and passing it into compress
+    // Using a std::shared_ptr<Buffer> here and passing it into compress
     // and decompress causes a memory leak with setjmp/longjmp. Just
     // use a pointer and delete it.
-    Buffer* b = this->buf.getBuffer();
-    if (b->getSize() == 0)
-    {
+    Buffer* b = this->m->buf.getBuffer();
+    if (b->getSize() == 0) {
         // Special case: empty data will never succeed and probably
         // means we're calling finish a second time from an exception
         // handler.
@@ -94,55 +120,46 @@
     bool error = false;
     // The jpeg library is a "C" library, so we use setjmp and longjmp
     // for exception handling.
-    if (setjmp(jerr.jmpbuf) == 0)
-    {
-        try
-        {
-            if (this->action == a_compress)
-            {
+    if (setjmp(jerr.jmpbuf) == 0) {
+        try {
+            if (this->m->action == a_compress) {
                 compress(reinterpret_cast<void*>(&cinfo_compress), b);
-            }
-            else
-            {
+            } else {
                 decompress(reinterpret_cast<void*>(&cinfo_decompress), b);
             }
-        }
-        catch (std::exception& e)
-        {
+        } catch (std::exception& e) {
             // Convert an exception back to a longjmp so we can ensure
             // that the right cleanup happens. This will get converted
             // back to an exception.
             jerr.msg = e.what();
             longjmp(jerr.jmpbuf, 1);
         }
-    }
-    else
-    {
+    } else {
         error = true;
     }
     delete b;
 
-    if (this->action == a_compress)
-    {
+    if (this->m->action == a_compress) {
         jpeg_destroy_compress(&cinfo_compress);
     }
-    if (this->action == a_decompress)
-    {
+    if (this->m->action == a_decompress) {
         jpeg_destroy_decompress(&cinfo_decompress);
     }
-    if (error)
-    {
+    if (error) {
         throw std::runtime_error(jerr.msg);
     }
 }
 
-struct dct_pipeline_dest
+namespace
 {
-    struct jpeg_destination_mgr pub; /* public fields */
-    unsigned char* buffer;
-    size_t size;
-    Pipeline* next;
-};
+    struct dct_pipeline_dest
+    {
+        struct jpeg_destination_mgr pub; /* public fields */
+        unsigned char* buffer;
+        size_t size;
+        Pipeline* next;
+    };
+} // namespace
 
 static void
 init_pipeline_destination(j_compress_ptr)
@@ -153,8 +170,7 @@
 empty_pipeline_output_buffer(j_compress_ptr cinfo)
 {
     QTC::TC("libtests", "Pl_DCT empty_pipeline_output_buffer");
-    dct_pipeline_dest* dest =
-        reinterpret_cast<dct_pipeline_dest*>(cinfo->dest);
+    dct_pipeline_dest* dest = reinterpret_cast<dct_pipeline_dest*>(cinfo->dest);
     dest->next->write(dest->buffer, dest->size);
     dest->pub.next_output_byte = dest->buffer;
     dest->pub.free_in_buffer = dest->size;
@@ -165,22 +181,21 @@
 term_pipeline_destination(j_compress_ptr cinfo)
 {
     QTC::TC("libtests", "Pl_DCT term_pipeline_destination");
-    dct_pipeline_dest* dest =
-        reinterpret_cast<dct_pipeline_dest*>(cinfo->dest);
+    dct_pipeline_dest* dest = reinterpret_cast<dct_pipeline_dest*>(cinfo->dest);
     dest->next->write(dest->buffer, dest->size - dest->pub.free_in_buffer);
 }
 
 static void
-jpeg_pipeline_dest(j_compress_ptr cinfo,
-                   unsigned char* outbuffer, size_t size,
-                   Pipeline* next)
+jpeg_pipeline_dest(
+    j_compress_ptr cinfo, unsigned char* outbuffer, size_t size, Pipeline* next)
 {
-    cinfo->dest = static_cast<struct jpeg_destination_mgr *>(
-        (*cinfo->mem->alloc_small)(reinterpret_cast<j_common_ptr>(cinfo),
-                                   JPOOL_PERMANENT,
-                                   sizeof(dct_pipeline_dest)));
-    dct_pipeline_dest* dest =
-        reinterpret_cast<dct_pipeline_dest*>(cinfo->dest);
+    cinfo->dest = static_cast<struct jpeg_destination_mgr*>(
+        // line-break
+        (*cinfo->mem->alloc_small)(
+            reinterpret_cast<j_common_ptr>(cinfo),
+            JPOOL_PERMANENT,
+            sizeof(dct_pipeline_dest)));
+    dct_pipeline_dest* dest = reinterpret_cast<dct_pipeline_dest*>(cinfo->dest);
     dest->pub.init_destination = init_pipeline_destination;
     dest->pub.empty_output_buffer = empty_pipeline_output_buffer;
     dest->pub.term_destination = term_pipeline_destination;
@@ -207,20 +222,15 @@
 static void
 skip_buffer_input_data(j_decompress_ptr cinfo, long num_bytes)
 {
-    if (num_bytes < 0)
-    {
-        throw std::runtime_error(
-            "reading jpeg: jpeg library requested"
-            " skipping a negative number of bytes");
+    if (num_bytes < 0) {
+        throw std::runtime_error("reading jpeg: jpeg library requested"
+                                 " skipping a negative number of bytes");
     }
-    size_t to_skip = static_cast<size_t>(num_bytes);
-    if ((to_skip > 0) && (to_skip <= cinfo->src->bytes_in_buffer))
-    {
+    size_t to_skip = QIntC::to_size(num_bytes);
+    if ((to_skip > 0) && (to_skip <= cinfo->src->bytes_in_buffer)) {
         cinfo->src->next_input_byte += to_skip;
         cinfo->src->bytes_in_buffer -= to_skip;
-    }
-    else if (to_skip != 0)
-    {
+    } else if (to_skip != 0) {
         cinfo->src->next_input_byte += cinfo->src->bytes_in_buffer;
         cinfo->src->bytes_in_buffer = 0;
     }
@@ -234,10 +244,12 @@
 static void
 jpeg_buffer_src(j_decompress_ptr cinfo, Buffer* buffer)
 {
-    cinfo->src = reinterpret_cast<jpeg_source_mgr *>(
-        (*cinfo->mem->alloc_small)(reinterpret_cast<j_common_ptr>(cinfo),
-                                   JPOOL_PERMANENT,
-                                   sizeof(jpeg_source_mgr)));
+    cinfo->src = reinterpret_cast<jpeg_source_mgr*>(
+        // line-break
+        (*cinfo->mem->alloc_small)(
+            reinterpret_cast<j_common_ptr>(cinfo),
+            JPOOL_PERMANENT,
+            sizeof(jpeg_source_mgr)));
 
     jpeg_source_mgr* src = cinfo->src;
     src->init_source = init_buffer_source;
@@ -255,51 +267,51 @@
     struct jpeg_compress_struct* cinfo =
         reinterpret_cast<jpeg_compress_struct*>(cinfo_p);
 
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#       pragma GCC diagnostic push
-#       pragma GCC diagnostic ignored "-Wold-style-cast"
+#if ( \
+    (defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
+    defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wold-style-cast"
 #endif
     jpeg_create_compress(cinfo);
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#       pragma GCC diagnostic pop
+#if ( \
+    (defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
+    defined(__clang__))
+# pragma GCC diagnostic pop
 #endif
     static int const BUF_SIZE = 65536;
-    PointerHolder<unsigned char> outbuffer_ph(
-        true, new unsigned charBUF_SIZE);
-    unsigned char* outbuffer = outbuffer_ph.getPointer();
+    auto outbuffer_ph = std::make_unique<unsigned char>(BUF_SIZE);
+    unsigned char* outbuffer = outbuffer_ph.get();
     jpeg_pipeline_dest(cinfo, outbuffer, BUF_SIZE, this->getNext());
 
-    cinfo->image_width = this->image_width;
-    cinfo->image_height = this->image_height;
-    cinfo->input_components = this->components;
-    cinfo->in_color_space = this->color_space;
+    cinfo->image_width = this->m->image_width;
+    cinfo->image_height = this->m->image_height;
+    cinfo->input_components = this->m->components;
+    cinfo->in_color_space = this->m->color_space;
     jpeg_set_defaults(cinfo);
-    if (this->config_callback)
-    {
-        this->config_callback->apply(cinfo);
+    if (this->m->config_callback) {
+        this->m->config_callback->apply(cinfo);
     }
 
     jpeg_start_compress(cinfo, TRUE);
 
-    int width = cinfo->image_width * cinfo->input_components;
-    size_t expected_size =
-        cinfo->image_height * cinfo->image_width * cinfo->input_components;
-    if (b->getSize() != expected_size)
-    {
+    unsigned int width =
+        cinfo->image_width * QIntC::to_uint(cinfo->input_components);
+    size_t expected_size = QIntC::to_size(cinfo->image_height) *
+        QIntC::to_size(cinfo->image_width) *
+        QIntC::to_size(cinfo->input_components);
+    if (b->getSize() != expected_size) {
         throw std::runtime_error(
             "Pl_DCT: image buffer size = " +
-            QUtil::int_to_string(b->getSize()) + "; expected size = " +
-            QUtil::int_to_string(expected_size));
+            QUtil::uint_to_string(b->getSize()) +
+            "; expected size = " + QUtil::uint_to_string(expected_size));
     }
     JSAMPROW row_pointer1;
     unsigned char* buffer = b->getBuffer();
-    while (cinfo->next_scanline < cinfo->image_height)
-    {
+    while (cinfo->next_scanline < cinfo->image_height) {
         // We already verified that the buffer is big enough.
         row_pointer0 = &buffercinfo->next_scanline * width;
-        (void) jpeg_write_scanlines(cinfo, row_pointer, 1);
+        (void)jpeg_write_scanlines(cinfo, row_pointer, 1);
     }
     jpeg_finish_compress(cinfo);
     this->getNext()->finish();
@@ -311,32 +323,33 @@
     struct jpeg_decompress_struct* cinfo =
         reinterpret_cast<jpeg_decompress_struct*>(cinfo_p);
 
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#       pragma GCC diagnostic push
-#       pragma GCC diagnostic ignored "-Wold-style-cast"
+#if ( \
+    (defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
+    defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wold-style-cast"
 #endif
     jpeg_create_decompress(cinfo);
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#       pragma GCC diagnostic pop
+#if ( \
+    (defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
+    defined(__clang__))
+# pragma GCC diagnostic pop
 #endif
     jpeg_buffer_src(cinfo, b);
 
-    (void) jpeg_read_header(cinfo, TRUE);
-    (void) jpeg_calc_output_dimensions(cinfo);
+    (void)jpeg_read_header(cinfo, TRUE);
+    (void)jpeg_calc_output_dimensions(cinfo);
 
-    int width = cinfo->output_width * cinfo->output_components;
-    JSAMPARRAY buffer = (*cinfo->mem->alloc_sarray)
-        (reinterpret_cast<j_common_ptr>(cinfo), JPOOL_IMAGE, width, 1);
+    unsigned int width =
+        cinfo->output_width * QIntC::to_uint(cinfo->output_components);
+    JSAMPARRAY buffer = (*cinfo->mem->alloc_sarray)(
+        reinterpret_cast<j_common_ptr>(cinfo), JPOOL_IMAGE, width, 1);
 
-    (void) jpeg_start_decompress(cinfo);
-    while (cinfo->output_scanline < cinfo->output_height)
-    {
-        (void) jpeg_read_scanlines(cinfo, buffer, 1);
-        this->getNext()->write(reinterpret_cast<unsigned char*>(buffer0),
-                               width * sizeof(buffer00));
+    (void)jpeg_start_decompress(cinfo);
+    while (cinfo->output_scanline < cinfo->output_height) {
+        (void)jpeg_read_scanlines(cinfo, buffer, 1);
+        this->getNext()->write(buffer0, width * sizeof(buffer00));
     }
-    (void) jpeg_finish_decompress(cinfo);
+    (void)jpeg_finish_decompress(cinfo);
     this->getNext()->finish();
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_Discard.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_Discard.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_Flate.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_Flate.cc Changed

@@ -1,17 +1,21 @@
 #include <qpdf/Pl_Flate.hh>
-#include <zlib.h>
+
+#include <limits.h>
 #include <string.h>
+#include <zlib.h>
 
+#include <qpdf/QIntC.hh>
 #include <qpdf/QUtil.hh>
 
-Pl_Flate::Pl_Flate(char const* identifier, Pipeline* next,
-		   action_e action, int out_bufsize) :
-    Pipeline(identifier, next),
+int Pl_Flate::compression_level = Z_DEFAULT_COMPRESSION;
+
+Pl_Flate::Members::Members(size_t out_bufsize, action_e action) :
     out_bufsize(out_bufsize),
     action(action),
-    initialized(false)
+    initialized(false),
+    zdata(nullptr)
 {
-    this->outbuf = new unsigned charout_bufsize;
+    this->outbuf = QUtil::make_shared_array<unsigned char>(out_bufsize);
     // Indirect through zdata to reach the z_stream so we don't have
     // to include zlib.h in Pl_Flate.hh.  This means people using
     // shared library versions of qpdf don't have to have zlib
@@ -19,247 +23,274 @@
     // Windows environment.
     this->zdata = new z_stream;
 
+    if (out_bufsize > UINT_MAX) {
+        throw std::runtime_error("Pl_Flate: zlib doesn't support buffer"
+                                 " sizes larger than unsigned int");
+    }
+
     z_stream& zstream = *(static_cast<z_stream*>(this->zdata));
-    zstream.zalloc = 0;
-    zstream.zfree = 0;
-    zstream.opaque = 0;
-    zstream.next_in = 0;
+    zstream.zalloc = nullptr;
+    zstream.zfree = nullptr;
+    zstream.opaque = nullptr;
+    zstream.next_in = nullptr;
     zstream.avail_in = 0;
-    zstream.next_out = this->outbuf;
-    zstream.avail_out = out_bufsize;
+    zstream.next_out = this->outbuf.get();
+    zstream.avail_out = QIntC::to_uint(out_bufsize);
 }
 
-Pl_Flate::~Pl_Flate()
+Pl_Flate::Members::~Members()
 {
-    delete  this->outbuf;
-    this->outbuf = 0;
-
-    if (this->initialized)
-    {
+    if (this->initialized) {
         z_stream& zstream = *(static_cast<z_stream*>(this->zdata));
-        if (action == a_deflate)
-        {
+        if (action == a_deflate) {
             deflateEnd(&zstream);
-        }
-        else
-        {
+        } else {
             inflateEnd(&zstream);
         }
     }
 
     delete static_cast<z_stream*>(this->zdata);
-    this->zdata = 0;
+    this->zdata = nullptr;
+}
+
+Pl_Flate::Pl_Flate(
+    char const* identifier,
+    Pipeline* next,
+    action_e action,
+    unsigned int out_bufsize_int) :
+    Pipeline(identifier, next),
+    m(new Members(QIntC::to_size(out_bufsize_int), action))
+{
+}
+
+Pl_Flate::~Pl_Flate()
+{
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+}
+
+void
+Pl_Flate::setWarnCallback(std::function<void(char const*, int)> callback)
+{
+    this->m->callback = callback;
 }
 
 void
-Pl_Flate::write(unsigned char* data, size_t len)
+Pl_Flate::warn(char const* msg, int code)
 {
-    if (this->outbuf == 0)
-    {
-	throw std::logic_error(
-	    this->identifier +
-	    ": Pl_Flate: write() called after finish() called");
+    if (this->m->callback != nullptr) {
+        this->m->callback(msg, code);
+    }
+}
+
+void
+Pl_Flate::write(unsigned char const* data, size_t len)
+{
+    if (this->m->outbuf == nullptr) {
+        throw std::logic_error(
+            this->identifier +
+            ": Pl_Flate: write() called after finish() called");
     }
 
     // Write in chunks in case len is too big to fit in an int.
     // Assume int is at least 32 bits.
     static size_t const max_bytes = 1 << 30;
     size_t bytes_left = len;
-    unsigned char* buf = data;
-    while (bytes_left > 0)
-    {
-	size_t bytes = (bytes_left >= max_bytes ? max_bytes : bytes_left);
-        handleData(buf, bytes,
-                   (action == a_inflate ? Z_SYNC_FLUSH : Z_NO_FLUSH));
-	bytes_left -= bytes;
+    unsigned char const* buf = data;
+    while (bytes_left > 0) {
+        size_t bytes = (bytes_left >= max_bytes ? max_bytes : bytes_left);
+        handleData(
+            buf,
+            bytes,
+            (this->m->action == a_inflate ? Z_SYNC_FLUSH : Z_NO_FLUSH));
+        bytes_left -= bytes;
         buf += bytes;
     }
 }
 
 void
-Pl_Flate::handleData(unsigned char* data, int len, int flush)
+Pl_Flate::handleData(unsigned char const* data, size_t len, int flush)
 {
-    z_stream& zstream = *(static_cast<z_stream*>(this->zdata));
-    zstream.next_in = data;
-    zstream.avail_in = len;
+    if (len > UINT_MAX) {
+        throw std::runtime_error("Pl_Flate: zlib doesn't support data"
+                                 " blocks larger than int");
+    }
+    z_stream& zstream = *(static_cast<z_stream*>(this->m->zdata));
+    // zlib is known not to modify the data pointed to by next_in but
+    // doesn't declare the field value const unless compiled to do so.
+    zstream.next_in = const_cast<unsigned char*>(data);
+    zstream.avail_in = QIntC::to_uint(len);
 
-    if (! this->initialized)
-    {
-	int err = Z_OK;
+    if (!this->m->initialized) {
+        int err = Z_OK;
 
         // deflateInit and inflateInit are macros that use old-style
         // casts.
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#       pragma GCC diagnostic push
-#       pragma GCC diagnostic ignored "-Wold-style-cast"
+#if ( \
+    (defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
+    defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wold-style-cast"
 #endif
-	if (this->action == a_deflate)
-	{
-	    err = deflateInit(&zstream, Z_DEFAULT_COMPRESSION);
-	}
-	else
-	{
-	    err = inflateInit(&zstream);
-	}
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#       pragma GCC diagnostic pop
+        if (this->m->action == a_deflate) {
+            err = deflateInit(&zstream, compression_level);
+        } else {
+            err = inflateInit(&zstream);
+        }
+#if ( \
+    (defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
+    defined(__clang__))
+# pragma GCC diagnostic pop
 #endif
 
-	checkError("Init", err);
-	this->initialized = true;
+        checkError("Init", err);
+        this->m->initialized = true;
     }
 
     int err = Z_OK;
 
     bool done = false;
-    while (! done)
-    {
-	if (action == a_deflate)
-	{
-	    err = deflate(&zstream, flush);
-	}
-	else
-	{
-	    err = inflate(&zstream, flush);
-	}
-        if ((action == a_inflate) && (err != Z_OK) && zstream.msg &&
-            (strcmp(zstream.msg, "incorrect data check") == 0))
-        {
+    while (!done) {
+        if (this->m->action == a_deflate) {
+            err = deflate(&zstream, flush);
+        } else {
+            err = inflate(&zstream, flush);
+        }
+        if ((this->m->action == a_inflate) && (err != Z_OK) && zstream.msg &&
+            (strcmp(zstream.msg, "incorrect data check") == 0)) {
             // Other PDF readers ignore this specific error. Combining
             // this with Z_SYNC_FLUSH enables qpdf to handle some
             // broken zlib streams without losing data.
             err = Z_STREAM_END;
         }
-	switch (err)
-	{
-	  case Z_BUF_ERROR:
-	    // Probably shouldn't be able to happen, but possible as a
-	    // boundary condition: if the last call to inflate exactly
-	    // filled the output buffer, it's possible that the next
-	    // call to inflate could have nothing to do.
-	    done = true;
-	    break;
-
-	  case Z_STREAM_END:
-	    done = true;
-	    // fall through
-
-	  case Z_OK:
-	    {
-		if ((zstream.avail_in == 0) &&
-		    (zstream.avail_out > 0))
-		{
-		    // There is nothing left to read, and there was
-		    // sufficient buffer space to write everything we
-		    // needed, so we're done for now.
-		    done = true;
-		}
-		uLong ready = (this->out_bufsize - zstream.avail_out);
-		if (ready > 0)
-		{
-		    this->getNext()->write(this->outbuf, ready);
-		    zstream.next_out = this->outbuf;
-		    zstream.avail_out = this->out_bufsize;
-		}
-	    }
-	    break;
-
-	  default:
-	    this->checkError("data", err);
-	    break;
-	}
+        switch (err) {
+        case Z_BUF_ERROR:
+            // Probably shouldn't be able to happen, but possible as a
+            // boundary condition: if the last call to inflate exactly
+            // filled the output buffer, it's possible that the next
+            // call to inflate could have nothing to do. There are PDF
+            // files in the wild that have this error (including at
+            // least one in qpdf's test suite). In some cases, we want
+            // to know about this, because it indicates incorrect
+            // compression, so call a callback if provided.
+            this->warn(
+                "input stream is complete but output may still be valid", err);
+            done = true;
+            break;
+
+        case Z_STREAM_END:
+            done = true;
+            // fall through
+
+        case Z_OK:
+            {
+                if ((zstream.avail_in == 0) && (zstream.avail_out > 0)) {
+                    // There is nothing left to read, and there was
+                    // sufficient buffer space to write everything we
+                    // needed, so we're done for now.
+                    done = true;
+                }
+                uLong ready =
+                    QIntC::to_ulong(this->m->out_bufsize - zstream.avail_out);
+                if (ready > 0) {
+                    this->getNext()->write(this->m->outbuf.get(), ready);
+                    zstream.next_out = this->m->outbuf.get();
+                    zstream.avail_out = QIntC::to_uint(this->m->out_bufsize);
+                }
+            }
+            break;
+
+        default:
+            this->checkError("data", err);
+            break;
+        }
     }
 }
 
 void
 Pl_Flate::finish()
 {
-    try
-    {
-        if (this->outbuf)
-        {
-            if (this->initialized)
-            {
-                z_stream& zstream = *(static_cast<z_stream*>(this->zdata));
+    try {
+        if (this->m->outbuf.get()) {
+            if (this->m->initialized) {
+                z_stream& zstream = *(static_cast<z_stream*>(this->m->zdata));
                 unsigned char buf1;
                 buf0 = '\0';
                 handleData(buf, 0, Z_FINISH);
                 int err = Z_OK;
-                if (action == a_deflate)
-                {
+                if (this->m->action == a_deflate) {
                     err = deflateEnd(&zstream);
-                }
-                else
-                {
+                } else {
                     err = inflateEnd(&zstream);
                 }
-                this->initialized = false;
+                this->m->initialized = false;
                 checkError("End", err);
             }
 
-            delete  this->outbuf;
-            this->outbuf = 0;
+            this->m->outbuf = nullptr;
         }
-    }
-    catch (std::exception& e)
-    {
-        this->getNext()->finish();
-        throw e;
+    } catch (std::exception& e) {
+        try {
+            this->getNext()->finish();
+        } catch (...) {
+            // ignore secondary exception
+        }
+        throw std::runtime_error(e.what());
     }
     this->getNext()->finish();
 }
 
 void
+Pl_Flate::setCompressionLevel(int level)
+{
+    compression_level = level;
+}
+
+void
 Pl_Flate::checkError(char const* prefix, int error_code)
 {
-    z_stream& zstream = *(static_cast<z_stream*>(this->zdata));
-    if (error_code != Z_OK)
-    {
-	char const* action_str = (action == a_deflate ? "deflate" : "inflate");
-	std::string msg =
-	    this->identifier + ": " + action_str + ": " + prefix + ": ";
-
-	if (zstream.msg)
-	{
-	    msg += zstream.msg;
-	}
-	else
-	{
-	    switch (error_code)
-	    {
-	      case Z_ERRNO:
-		msg += "zlib system error";
-		break;
-
-	      case Z_STREAM_ERROR:
-		msg += "zlib stream error";
-		break;
-
-	      case Z_DATA_ERROR:
-		msg += "zlib data error";
-		break;
-
-	      case Z_MEM_ERROR:
-		msg += "zlib memory error";
-		break;
-
-	      case Z_BUF_ERROR:
-		msg += "zlib buffer error";
-		break;
-
-	      case Z_VERSION_ERROR:
-		msg += "zlib version error";
-		break;
-
-	      default:
-		msg += std::string("zlib unknown error (") +
-		    QUtil::int_to_string(error_code) + ")";
-		break;
-	    }
-	}
-
-	throw std::runtime_error(msg);
+    z_stream& zstream = *(static_cast<z_stream*>(this->m->zdata));
+    if (error_code != Z_OK) {
+        char const* action_str =
+            (this->m->action == a_deflate ? "deflate" : "inflate");
+        std::string msg =
+            this->identifier + ": " + action_str + ": " + prefix + ": ";
+
+        if (zstream.msg) {
+            msg += zstream.msg;
+        } else {
+            switch (error_code) {
+            case Z_ERRNO:
+                msg += "zlib system error";
+                break;
+
+            case Z_STREAM_ERROR:
+                msg += "zlib stream error";
+                break;
+
+            case Z_DATA_ERROR:
+                msg += "zlib data error";
+                break;
+
+            case Z_MEM_ERROR:
+                msg += "zlib memory error";
+                break;
+
+            case Z_BUF_ERROR:
+                msg += "zlib buffer error";
+                break;
+
+            case Z_VERSION_ERROR:
+                msg += "zlib version error";
+                break;
+
+            default:
+                msg += std::string("zlib unknown error (") +
+                    QUtil::int_to_string(error_code) + ")";
+                break;
+            }
+        }
+
+        throw std::runtime_error(msg);
     }
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_Function.cc Added

@@ -0,0 +1,69 @@
+#include <qpdf/Pl_Function.hh>
+
+#include <qpdf/QUtil.hh>
+#include <errno.h>
+#include <stdexcept>
+
+Pl_Function::Members::Members(writer_t fn) :
+    fn(fn)
+{
+}
+
+Pl_Function::Pl_Function(char const* identifier, Pipeline* next, writer_t fn) :
+    Pipeline(identifier, next),
+    m(new Members(fn))
+{
+}
+
+Pl_Function::Pl_Function(
+    char const* identifier, Pipeline* next, writer_c_t fn, void* udata) :
+    Pipeline(identifier, next),
+    m(new Members(nullptr))
+{
+    m->fn = identifier, fn, udata(unsigned char const* data, size_t len) {
+        int code = fn(data, len, udata);
+        if (code != 0) {
+            throw std::runtime_error(
+                std::string(identifier) + " function returned code " +
+                QUtil::int_to_string(code));
+        }
+    };
+}
+
+Pl_Function::Pl_Function(
+    char const* identifier, Pipeline* next, writer_c_char_t fn, void* udata) :
+    Pipeline(identifier, next),
+    m(new Members(nullptr))
+{
+    m->fn = identifier, fn, udata(unsigned char const* data, size_t len) {
+        int code = fn(reinterpret_cast<char const*>(data), len, udata);
+        if (code != 0) {
+            throw std::runtime_error(
+                std::string(identifier) + " function returned code " +
+                QUtil::int_to_string(code));
+        }
+    };
+}
+
+Pl_Function::~Pl_Function()
+{
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+}
+
+void
+Pl_Function::write(unsigned char const* buf, size_t len)
+{
+    this->m->fn(buf, len);
+    if (getNext(true)) {
+        getNext()->write(buf, len);
+    }
+}
+
+void
+Pl_Function::finish()
+{
+    if (getNext(true)) {
+        getNext()->finish();
+    }
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_LZWDecoder.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_LZWDecoder.cc Changed

@@ -1,45 +1,38 @@
 #include <qpdf/Pl_LZWDecoder.hh>
 
+#include <qpdf/QIntC.hh>
 #include <qpdf/QTC.hh>
 #include <qpdf/QUtil.hh>
 #include <stdexcept>
 #include <string.h>
-#include <assert.h>
 
-Pl_LZWDecoder::Pl_LZWDecoder(char const* identifier, Pipeline* next,
-			     bool early_code_change) :
+Pl_LZWDecoder::Pl_LZWDecoder(
+    char const* identifier, Pipeline* next, bool early_code_change) :
     Pipeline(identifier, next),
     code_size(9),
     next(0),
     byte_pos(0),
     bit_pos(0),
     bits_available(0),
-    code_change_delta(early_code_change ? 1 : 0),
+    code_change_delta(early_code_change),
     eod(false),
     last_code(256)
 {
     memset(buf, 0, 3);
 }
 
-Pl_LZWDecoder::~Pl_LZWDecoder()
-{
-}
-
 void
-Pl_LZWDecoder::write(unsigned char* bytes, size_t len)
+Pl_LZWDecoder::write(unsigned char const* bytes, size_t len)
 {
-    for (size_t i = 0; i < len; ++i)
-    {
-	this->bufnext++ = bytesi;
-	if (this->next == 3)
-	{
-	    this->next = 0;
-	}
-	this->bits_available += 8;
-	if (this->bits_available >= this->code_size)
-	{
-	    sendNextCode();
-	}
+    for (size_t i = 0; i < len; ++i) {
+        this->bufnext++ = bytesi;
+        if (this->next == 3) {
+            this->next = 0;
+        }
+        this->bits_available += 8;
+        if (this->bits_available >= this->code_size) {
+            sendNextCode();
+        }
     }
 }
 
@@ -52,41 +45,36 @@
 void
 Pl_LZWDecoder::sendNextCode()
 {
-    int high = this->byte_pos;
-    int med = (this->byte_pos + 1) % 3;
-    int low = (this->byte_pos + 2) % 3;
-
-    int bits_from_high = 8 - this->bit_pos;
-    int bits_from_med = this->code_size - bits_from_high;
-    int bits_from_low = 0;
-    if (bits_from_med > 8)
-    {
-	bits_from_low = bits_from_med - 8;
-	bits_from_med = 8;
+    unsigned int high = this->byte_pos;
+    unsigned int med = (this->byte_pos + 1) % 3;
+    unsigned int low = (this->byte_pos + 2) % 3;
+
+    unsigned int bits_from_high = 8 - this->bit_pos;
+    unsigned int bits_from_med = this->code_size - bits_from_high;
+    unsigned int bits_from_low = 0;
+    if (bits_from_med > 8) {
+        bits_from_low = bits_from_med - 8;
+        bits_from_med = 8;
     }
-    int high_mask = (1 << bits_from_high) - 1;
-    int med_mask = 0xff - ((1 << (8 - bits_from_med)) - 1);
-    int low_mask = 0xff - ((1 << (8 - bits_from_low)) - 1);
-    int code = 0;
+    unsigned int high_mask = (1U << bits_from_high) - 1U;
+    unsigned int med_mask = 0xff - ((1U << (8 - bits_from_med)) - 1U);
+    unsigned int low_mask = 0xff - ((1U << (8 - bits_from_low)) - 1U);
+    unsigned int code = 0;
     code += (this->bufhigh & high_mask) << bits_from_med;
     code += ((this->bufmed & med_mask) >> (8 - bits_from_med));
-    if (bits_from_low)
-    {
-	code <<= bits_from_low;
-	code += ((this->buflow & low_mask) >> (8 - bits_from_low));
-	this->byte_pos = low;
-	this->bit_pos = bits_from_low;
+    if (bits_from_low) {
+        code <<= bits_from_low;
+        code += ((this->buflow & low_mask) >> (8 - bits_from_low));
+        this->byte_pos = low;
+        this->bit_pos = bits_from_low;
+    } else {
+        this->byte_pos = med;
+        this->bit_pos = bits_from_med;
     }
-    else
-    {
-	this->byte_pos = med;
-	this->bit_pos = bits_from_med;
-    }
-    if (this->bit_pos == 8)
-    {
-	this->bit_pos = 0;
-	++this->byte_pos;
-	this->byte_pos %= 3;
+    if (this->bit_pos == 8) {
+        this->bit_pos = 0;
+        ++this->byte_pos;
+        this->byte_pos %= 3;
     }
     this->bits_available -= this->code_size;
 
@@ -94,27 +82,21 @@
 }
 
 unsigned char
-Pl_LZWDecoder::getFirstChar(int code)
+Pl_LZWDecoder::getFirstChar(unsigned int code)
 {
     unsigned char result = '\0';
-    if (code < 256)
-    {
-	result = static_cast<unsigned char>(code);
-    }
-    else if (code > 257)
-    {
-	unsigned int idx = code - 258;
-	if (idx >= table.size())
-        {
-            throw std::logic_error(
+    if (code < 256) {
+        result = static_cast<unsigned char>(code);
+    } else if (code > 257) {
+        unsigned int idx = code - 258;
+        if (idx >= table.size()) {
+            throw std::runtime_error(
                 "Pl_LZWDecoder::getFirstChar: table overflow");
         }
-	Buffer& b = table.at(idx);
-	result = b.getBuffer()0;
-    }
-    else
-    {
-        throw std::logic_error(
+        Buffer& b = table.at(idx);
+        result = b.getBuffer()0;
+    } else {
+        throw std::runtime_error(
             "Pl_LZWDecoder::getFirstChar called with invalid code (" +
             QUtil::int_to_string(code) + ")");
     }
@@ -125,30 +107,24 @@
 Pl_LZWDecoder::addToTable(unsigned char next)
 {
     unsigned int last_size = 0;
-    unsigned char const* last_data = 0;
+    unsigned char const* last_data = nullptr;
     unsigned char tmp1;
 
-    if (this->last_code < 256)
-    {
-	tmp0 = this->last_code;
-	last_data = tmp;
-	last_size = 1;
-    }
-    else if (this->last_code > 257)
-    {
-	unsigned int idx = this->last_code - 258;
-	if (idx >= table.size())
-        {
-            throw std::logic_error(
+    if (this->last_code < 256) {
+        tmp0 = static_cast<unsigned char>(this->last_code);
+        last_data = tmp;
+        last_size = 1;
+    } else if (this->last_code > 257) {
+        unsigned int idx = this->last_code - 258;
+        if (idx >= table.size()) {
+            throw std::runtime_error(
                 "Pl_LZWDecoder::addToTable: table overflow");
         }
-	Buffer& b = table.at(idx);
-	last_data = b.getBuffer();
-	last_size = b.getSize();
-    }
-    else
-    {
-        throw std::logic_error(
+        Buffer& b = table.at(idx);
+        last_data = b.getBuffer();
+        last_size = QIntC::to_uint(b.getSize());
+    } else {
+        throw std::runtime_error(
             "Pl_LZWDecoder::addToTable called with invalid code (" +
             QUtil::int_to_string(this->last_code) + ")");
     }
@@ -161,86 +137,69 @@
 }
 
 void
-Pl_LZWDecoder::handleCode(int code)
+Pl_LZWDecoder::handleCode(unsigned int code)
 {
-    if (this->eod)
-    {
-	return;
+    if (this->eod) {
+        return;
     }
 
-    if (code == 256)
-    {
-	if (! this->table.empty())
-	{
-	    QTC::TC("libtests", "Pl_LZWDecoder intermediate reset");
-	}
-	this->table.clear();
-	this->code_size = 9;
-    }
-    else if (code == 257)
-    {
-	this->eod = true;
-    }
-    else
-    {
-	if (this->last_code != 256)
-	{
-	    // Add to the table from last time.  New table entry would
-	    // be what we read last plus the first character of what
-	    // we're reading now.
-	    unsigned char next = '\0';
-	    unsigned int table_size = table.size();
-	    if (code < 256)
-	    {
-		// just read < 256; last time's next was code
-		next = code;
-	    }
-	    else if (code > 257)
-	    {
-		size_t idx = code - 258;
-		if (idx > table_size)
-		{
-		    throw std::runtime_error("LZWDecoder: bad code received");
-		}
-		else if (idx == table_size)
-		{
-		    // The encoder would have just created this entry,
-		    // so the first character of this entry would have
-		    // been the same as the first character of the
-		    // last entry.
-		    QTC::TC("libtests", "Pl_LZWDecoder last was table size");
-		    next = getFirstChar(this->last_code);
-		}
-		else
-		{
-		    next = getFirstChar(code);
-		}
-	    }
-	    unsigned int new_idx = 258 + table_size;
-	    if (new_idx == 4096)
-	    {
-		throw std::runtime_error("LZWDecoder: table full");
-	    }
-	    addToTable(next);
-	    unsigned int change_idx = new_idx + code_change_delta;
-	    if ((change_idx == 511) ||
-		(change_idx == 1023) ||
-		(change_idx == 2047))
-	    {
-		++this->code_size;
-	    }
-	}
+    if (code == 256) {
+        if (!this->table.empty()) {
+            QTC::TC("libtests", "Pl_LZWDecoder intermediate reset");
+        }
+        this->table.clear();
+        this->code_size = 9;
+    } else if (code == 257) {
+        this->eod = true;
+    } else {
+        if (this->last_code != 256) {
+            // Add to the table from last time.  New table entry would
+            // be what we read last plus the first character of what
+            // we're reading now.
+            unsigned char next = '\0';
+            unsigned int table_size = QIntC::to_uint(table.size());
+            if (code < 256) {
+                // just read < 256; last time's next was code
+                next = static_cast<unsigned char>(code);
+            } else if (code > 257) {
+                size_t idx = code - 258;
+                if (idx > table_size) {
+                    throw std::runtime_error("LZWDecoder: bad code received");
+                } else if (idx == table_size) {
+                    // The encoder would have just created this entry,
+                    // so the first character of this entry would have
+                    // been the same as the first character of the
+                    // last entry.
+                    QTC::TC("libtests", "Pl_LZWDecoder last was table size");
+                    next = getFirstChar(this->last_code);
+                } else {
+                    next = getFirstChar(code);
+                }
+            }
+            unsigned int new_idx = 258 + table_size;
+            if (new_idx == 4096) {
+                throw std::runtime_error("LZWDecoder: table full");
+            }
+            addToTable(next);
+            unsigned int change_idx = new_idx + code_change_delta;
+            if ((change_idx == 511) || (change_idx == 1023) ||
+                (change_idx == 2047)) {
+                ++this->code_size;
+            }
+        }
 
-	if (code < 256)
-	{
-	    unsigned char ch = static_cast<unsigned char>(code);
-	    getNext()->write(&ch, 1);
-	}
-	else
-	{
-	    Buffer& b = table.at(code - 258);
-	    getNext()->write(b.getBuffer(), b.getSize());
-	}
+        if (code < 256) {
+            unsigned char ch = static_cast<unsigned char>(code);
+            getNext()->write(&ch, 1);
+        } else {
+            unsigned int idx = code - 258;
+            if (idx >= table.size()) {
+                throw std::runtime_error(
+                    "Pl_LZWDecoder::handleCode: table overflow");
+            }
+            Buffer& b = table.at(idx);
+            getNext()->write(b.getBuffer(), b.getSize());
+        }
     }
 
     this->last_code = code;

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_MD5.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_MD5.cc Changed

@@ -1,4 +1,5 @@
 #include <qpdf/Pl_MD5.hh>
+
 #include <stdexcept>
 
 Pl_MD5::Pl_MD5(char const* identifier, Pipeline* next) :
@@ -9,17 +10,11 @@
 {
 }
 
-Pl_MD5::~Pl_MD5()
-{
-}
-
 void
-Pl_MD5::write(unsigned char* buf, size_t len)
+Pl_MD5::write(unsigned char const* buf, size_t len)
 {
-    if (this->enabled)
-    {
-        if (! this->in_progress)
-        {
+    if (this->enabled) {
+        if (!this->in_progress) {
             this->md5.reset();
             this->in_progress = true;
         }
@@ -28,12 +23,11 @@
         // Assume int is at least 32 bits.
         static size_t const max_bytes = 1 << 30;
         size_t bytes_left = len;
-        unsigned char* data = buf;
-        while (bytes_left > 0)
-        {
+        unsigned char const* data = buf;
+        while (bytes_left > 0) {
             size_t bytes = (bytes_left >= max_bytes ? max_bytes : bytes_left);
             this->md5.encodeDataIncrementally(
-                reinterpret_cast<char*>(data), bytes);
+                reinterpret_cast<char const*>(data), bytes);
             bytes_left -= bytes;
             data += bytes;
         }
@@ -46,8 +40,7 @@
 Pl_MD5::finish()
 {
     this->getNext()->finish();
-    if (! this->persist_across_finish)
-    {
+    if (!this->persist_across_finish) {
         this->in_progress = false;
     }
 }
@@ -67,10 +60,8 @@
 std::string
 Pl_MD5::getHexDigest()
 {
-    if (! this->enabled)
-    {
-	throw std::logic_error(
-	    "digest requested for a disabled MD5 Pipeline");
+    if (!this->enabled) {
+        throw std::logic_error("digest requested for a disabled MD5 Pipeline");
     }
     this->in_progress = false;
     return this->md5.unparse();

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_OStream.cc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_PNGFilter.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_PNGFilter.cc Changed

@@ -1,37 +1,40 @@
 #include <qpdf/Pl_PNGFilter.hh>
+
 #include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+#include <limits.h>
 #include <stdexcept>
 #include <string.h>
-#include <limits.h>
 
-static int abs_diff(int a, int b)
+static int
+abs_diff(int a, int b)
 {
     return a > b ? a - b : b - a;
 }
 
-Pl_PNGFilter::Pl_PNGFilter(char const* identifier, Pipeline* next,
-			   action_e action, unsigned int columns,
-                           unsigned int samples_per_pixel,
-                           unsigned int bits_per_sample) :
+Pl_PNGFilter::Pl_PNGFilter(
+    char const* identifier,
+    Pipeline* next,
+    action_e action,
+    unsigned int columns,
+    unsigned int samples_per_pixel,
+    unsigned int bits_per_sample) :
     Pipeline(identifier, next),
     action(action),
-    cur_row(0),
-    prev_row(0),
-    buf1(0),
-    buf2(0),
+    cur_row(nullptr),
+    prev_row(nullptr),
+    buf1(nullptr),
+    buf2(nullptr),
     pos(0)
 {
-    if (samples_per_pixel < 1)
-    {
+    if (samples_per_pixel < 1) {
         throw std::runtime_error(
             "PNGFilter created with invalid samples_per_pixel");
     }
-    if (! ((bits_per_sample == 1) ||
-           (bits_per_sample == 2) ||
-           (bits_per_sample == 4) ||
-           (bits_per_sample == 8) ||
-           (bits_per_sample == 16)))
-    {
+    if (!((bits_per_sample == 1) || (bits_per_sample == 2) ||
+          (bits_per_sample == 4) || (bits_per_sample == 8) ||
+          (bits_per_sample == 16))) {
         throw std::runtime_error(
             "PNGFilter created with invalid bits_per_sample not"
             " 1, 2, 4, 8, or 16");
@@ -39,56 +42,48 @@
     this->bytes_per_pixel = ((bits_per_sample * samples_per_pixel) + 7) / 8;
     unsigned long long bpr =
         ((columns * bits_per_sample * samples_per_pixel) + 7) / 8;
-    if ((bpr == 0) || (bpr > (UINT_MAX - 1)))
-    {
+    if ((bpr == 0) || (bpr > (UINT_MAX - 1))) {
         throw std::runtime_error(
             "PNGFilter created with invalid columns value");
     }
     this->bytes_per_row = bpr & UINT_MAX;
-    this->buf1 = new unsigned charthis->bytes_per_row + 1;
-    this->buf2 = new unsigned charthis->bytes_per_row + 1;
-    memset(this->buf1, 0, this->bytes_per_row + 1);
-    memset(this->buf2, 0, this->bytes_per_row + 1);
-    this->cur_row = this->buf1;
-    this->prev_row = this->buf2;
+    this->buf1 =
+        QUtil::make_shared_array<unsigned char>(this->bytes_per_row + 1);
+    this->buf2 =
+        QUtil::make_shared_array<unsigned char>(this->bytes_per_row + 1);
+    memset(this->buf1.get(), 0, this->bytes_per_row + 1);
+    memset(this->buf2.get(), 0, this->bytes_per_row + 1);
+    this->cur_row = this->buf1.get();
+    this->prev_row = this->buf2.get();
 
     // number of bytes per incoming row
-    this->incoming = (action == a_encode ?
-                      this->bytes_per_row :
-                      this->bytes_per_row + 1);
-}
-
-Pl_PNGFilter::~Pl_PNGFilter()
-{
-    delete  buf1;
-    delete  buf2;
+    this->incoming =
+        (action == a_encode ? this->bytes_per_row : this->bytes_per_row + 1);
 }
 
 void
-Pl_PNGFilter::write(unsigned char* data, size_t len)
+Pl_PNGFilter::write(unsigned char const* data, size_t len)
 {
     size_t left = this->incoming - this->pos;
     size_t offset = 0;
-    while (len >= left)
-    {
-	// finish off current row
-	memcpy(this->cur_row + this->pos, data + offset, left);
-	offset += left;
-	len -= left;
+    while (len >= left) {
+        // finish off current row
+        memcpy(this->cur_row + this->pos, data + offset, left);
+        offset += left;
+        len -= left;
 
-	processRow();
+        processRow();
 
-	// Swap rows
-	unsigned char* t = this->prev_row;
-	this->prev_row = this->cur_row;
-	this->cur_row = t ? t : this->buf2;
-	memset(this->cur_row, 0, this->bytes_per_row + 1);
-	left = this->incoming;
-	this->pos = 0;
+        // Swap rows
+        unsigned char* t = this->prev_row;
+        this->prev_row = this->cur_row;
+        this->cur_row = t ? t : this->buf2.get();
+        memset(this->cur_row, 0, this->bytes_per_row + 1);
+        left = this->incoming;
+        this->pos = 0;
     }
-    if (len)
-    {
-	memcpy(this->cur_row + this->pos, data + offset, len);
+    if (len) {
+        memcpy(this->cur_row + this->pos, data + offset, len);
     }
     this->pos += len;
 }
@@ -96,13 +91,10 @@
 void
 Pl_PNGFilter::processRow()
 {
-    if (this->action == a_encode)
-    {
-	encodeRow();
-    }
-    else
-    {
-	decodeRow();
+    if (this->action == a_encode) {
+        encodeRow();
+    } else {
+        decodeRow();
     }
 }
 
@@ -110,25 +102,23 @@
 Pl_PNGFilter::decodeRow()
 {
     int filter = this->cur_row0;
-    if (this->prev_row)
-    {
-        switch (filter)
-        {
-          case 0:
+    if (this->prev_row) {
+        switch (filter) {
+        case 0:
             break;
-          case 1:
+        case 1:
             this->decodeSub();
             break;
-          case 2:
+        case 2:
             this->decodeUp();
             break;
-          case 3:
+        case 3:
             this->decodeAverage();
             break;
-          case 4:
+        case 4:
             this->decodePaeth();
             break;
-          default:
+        default:
             // ignore
             break;
         }
@@ -144,16 +134,14 @@
     unsigned char* buffer = this->cur_row + 1;
     unsigned int bpp = this->bytes_per_pixel;
 
-    for (unsigned int i = 0; i < this->bytes_per_row; ++i)
-    {
+    for (unsigned int i = 0; i < this->bytes_per_row; ++i) {
         unsigned char left = 0;
 
-        if (i >= bpp)
-        {
+        if (i >= bpp) {
             left = bufferi - bpp;
         }
 
-        bufferi += left;
+        bufferi = static_cast<unsigned char>(bufferi + left);
     }
 }
 
@@ -164,10 +152,9 @@
     unsigned char* buffer = this->cur_row + 1;
     unsigned char* above_buffer = this->prev_row + 1;
 
-    for (unsigned int i = 0; i < this->bytes_per_row; ++i)
-    {
+    for (unsigned int i = 0; i < this->bytes_per_row; ++i) {
         unsigned char up = above_bufferi;
-        bufferi += up;
+        bufferi = static_cast<unsigned char>(bufferi + up);
     }
 }
 
@@ -179,18 +166,16 @@
     unsigned char* above_buffer = this->prev_row + 1;
     unsigned int bpp = this->bytes_per_pixel;
 
-    for (unsigned int i = 0; i < this->bytes_per_row; ++i)
-    {
+    for (unsigned int i = 0; i < this->bytes_per_row; ++i) {
         int left = 0;
         int up = 0;
 
-        if (i >= bpp)
-        {
+        if (i >= bpp) {
             left = bufferi - bpp;
         }
 
         up = above_bufferi;
-        bufferi += (left+up) / 2;
+        bufferi = static_cast<unsigned char>(bufferi + (left + up) / 2);
     }
 }
 
@@ -202,19 +187,18 @@
     unsigned char* above_buffer = this->prev_row + 1;
     unsigned int bpp = this->bytes_per_pixel;
 
-    for (unsigned int i = 0; i < this->bytes_per_row; ++i)
-    {
+    for (unsigned int i = 0; i < this->bytes_per_row; ++i) {
         int left = 0;
         int up = above_bufferi;
         int upper_left = 0;
 
-        if (i >= bpp)
-        {
+        if (i >= bpp) {
             left = bufferi - bpp;
             upper_left = above_bufferi - bpp;
         }
 
-        bufferi += this->PaethPredictor(left, up, upper_left);
+        bufferi = static_cast<unsigned char>(
+            bufferi + this->PaethPredictor(left, up, upper_left));
     }
 }
 
@@ -226,12 +210,10 @@
     int pb = abs_diff(p, b);
     int pc = abs_diff(p, c);
 
-    if (pa <= pb && pa <= pc)
-    {
+    if (pa <= pb && pa <= pc) {
         return a;
     }
-    if (pb <= pc)
-    {
+    if (pb <= pc) {
         return b;
     }
     return c;
@@ -243,30 +225,26 @@
     // For now, hard-code to using UP filter.
     unsigned char ch = 2;
     getNext()->write(&ch, 1);
-    if (this->prev_row)
-    {
-	for (unsigned int i = 0; i < this->bytes_per_row; ++i)
-	{
-	    ch = this->cur_rowi - this->prev_rowi;
-	    getNext()->write(&ch, 1);
-	}
-    }
-    else
-    {
-	getNext()->write(this->cur_row, this->bytes_per_row);
+    if (this->prev_row) {
+        for (unsigned int i = 0; i < this->bytes_per_row; ++i) {
+            ch = static_cast<unsigned char>(
+                this->cur_rowi - this->prev_rowi);
+            getNext()->write(&ch, 1);
+        }
+    } else {
+        getNext()->write(this->cur_row, this->bytes_per_row);
     }
 }
 
 void
 Pl_PNGFilter::finish()
 {
-    if (this->pos)
-    {
-	// write partial row
-	processRow();
+    if (this->pos) {
+        // write partial row
+        processRow();
     }
-    this->prev_row = 0;
-    this->cur_row = buf1;
+    this->prev_row = nullptr;
+    this->cur_row = buf1.get();
     this->pos = 0;
     memset(this->cur_row, 0, this->bytes_per_row + 1);

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_QPDFTokenizer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_QPDFTokenizer.cc Changed

@@ -1,23 +1,21 @@
 #include <qpdf/Pl_QPDFTokenizer.hh>
+
+#include <qpdf/BufferInputSource.hh>
 #include <qpdf/QTC.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/BufferInputSource.hh>
 #include <stdexcept>
 #include <string.h>
 
 Pl_QPDFTokenizer::Members::Members() :
-    filter(0),
+    filter(nullptr),
     buf("tokenizer buffer")
 {
 }
 
-Pl_QPDFTokenizer::Members::~Members()
-{
-}
-
-Pl_QPDFTokenizer::Pl_QPDFTokenizer(char const* identifier,
-                                   QPDFObjectHandle::TokenFilter* filter,
-                                   Pipeline* next) :
+Pl_QPDFTokenizer::Pl_QPDFTokenizer(
+    char const* identifier,
+    QPDFObjectHandle::TokenFilter* filter,
+    Pipeline* next) :
     Pipeline(identifier, next),
     m(new Members)
 {
@@ -30,10 +28,12 @@
 
 Pl_QPDFTokenizer::~Pl_QPDFTokenizer()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
 }
 
 void
-Pl_QPDFTokenizer::write(unsigned char* data, size_t len)
+Pl_QPDFTokenizer::write(unsigned char const* data, size_t len)
 {
     this->m->buf.write(data, len);
 }
@@ -42,27 +42,25 @@
 Pl_QPDFTokenizer::finish()
 {
     this->m->buf.finish();
-    PointerHolder<InputSource> input =
-        new BufferInputSource("tokenizer data",
-                              this->m->buf.getBuffer(), true);
+    auto input = std::shared_ptr<InputSource>(
+        // line-break
+        new BufferInputSource(
+            "tokenizer data", this->m->buf.getBuffer(), true));
 
-    while (true)
-    {
+    while (true) {
         QPDFTokenizer::Token token = this->m->tokenizer.readToken(
-            input, "offset " + QUtil::int_to_string(input->tell()),
-            true);
-	this->m->filter->handleToken(token);
-        if (token.getType() == QPDFTokenizer::tt_eof)
-        {
+            input, "offset " + QUtil::int_to_string(input->tell()), true);
+        this->m->filter->handleToken(token);
+        if (token.getType() == QPDFTokenizer::tt_eof) {
             break;
-        }
-        else if ((token.getType() == QPDFTokenizer::tt_word) &&
-                 (token.getValue() == "ID"))
-        {
+        } else if (
+            (token.getType() == QPDFTokenizer::tt_word) &&
+            (token.getValue() == "ID")) {
             // Read the space after the ID.
             char ch = ' ';
             input->read(&ch, 1);
             this->m->filter->handleToken(
+                // line-break
                 QPDFTokenizer::Token(
                     QPDFTokenizer::tt_space, std::string(1, ch)));
             QTC::TC("qpdf", "Pl_QPDFTokenizer found ID");
@@ -71,10 +69,9 @@
     }
     this->m->filter->handleEOF();
     QPDFObjectHandle::TokenFilter::PipelineAccessor::setPipeline(
-        m->filter, 0);
+        m->filter, nullptr);
     Pipeline* next = this->getNext(true);
-    if (next)
-    {
+    if (next) {
         next->finish();
     }
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_RC4.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_RC4.cc Changed

@@ -1,50 +1,46 @@
 #include <qpdf/Pl_RC4.hh>
+
 #include <qpdf/QUtil.hh>
 
-Pl_RC4::Pl_RC4(char const* identifier, Pipeline* next,
-	       unsigned char const* key_data, int key_len,
-	       size_t out_bufsize) :
+Pl_RC4::Pl_RC4(
+    char const* identifier,
+    Pipeline* next,
+    unsigned char const* key_data,
+    int key_len,
+    size_t out_bufsize) :
     Pipeline(identifier, next),
     out_bufsize(out_bufsize),
     rc4(key_data, key_len)
 {
-    this->outbuf = new unsigned charout_bufsize;
-}
-
-Pl_RC4::~Pl_RC4()
-{
-    delete  this->outbuf;
-    this->outbuf = 0;
+    this->outbuf = QUtil::make_shared_array<unsigned char>(out_bufsize);
 }
 
 void
-Pl_RC4::write(unsigned char* data, size_t len)
+Pl_RC4::write(unsigned char const* data, size_t len)
 {
-    if (this->outbuf == 0)
-    {
-	throw std::logic_error(
-	    this->identifier +
-	    ": Pl_RC4: write() called after finish() called");
+    if (this->outbuf == nullptr) {
+        throw std::logic_error(
+            this->identifier +
+            ": Pl_RC4: write() called after finish() called");
     }
 
     size_t bytes_left = len;
-    unsigned char* p = data;
+    unsigned char const* p = data;
 
-    while (bytes_left > 0)
-    {
-	size_t bytes =
+    while (bytes_left > 0) {
+        size_t bytes =
             (bytes_left < this->out_bufsize ? bytes_left : out_bufsize);
-	bytes_left -= bytes;
-	rc4.process(p, bytes, outbuf);
-	p += bytes;
-	getNext()->write(outbuf, bytes);
+        bytes_left -= bytes;
+        // lgtmcpp/weak-cryptographic-algorithm
+        rc4.process(p, bytes, outbuf.get());
+        p += bytes;
+        getNext()->write(outbuf.get(), bytes);
     }
 }
 
 void
 Pl_RC4::finish()
 {
-    delete  this->outbuf;
-    this->outbuf = 0;
+    this->outbuf = nullptr;
     this->getNext()->finish();
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_RunLength.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_RunLength.cc Changed

@@ -1,119 +1,108 @@
 #include <qpdf/Pl_RunLength.hh>
 
-#include <qpdf/QUtil.hh>
 #include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 
-Pl_RunLength::Pl_RunLength(char const* identifier, Pipeline* next,
-                           action_e action) :
-    Pipeline(identifier, next),
+Pl_RunLength::Members::Members(action_e action) :
     action(action),
     state(st_top),
     length(0)
 {
 }
 
+Pl_RunLength::Pl_RunLength(
+    char const* identifier, Pipeline* next, action_e action) :
+    Pipeline(identifier, next),
+    m(new Members(action))
+{
+}
+
 Pl_RunLength::~Pl_RunLength()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
 }
 
 void
-Pl_RunLength::write(unsigned char* data, size_t len)
+Pl_RunLength::write(unsigned char const* data, size_t len)
 {
-    if (this->action == a_encode)
-    {
+    if (this->m->action == a_encode) {
         encode(data, len);
-    }
-    else
-    {
+    } else {
         decode(data, len);
     }
 }
 
 void
-Pl_RunLength::encode(unsigned char* data, size_t len)
+Pl_RunLength::encode(unsigned char const* data, size_t len)
 {
-    for (size_t i = 0; i < len; ++i)
-    {
-        if ((this->state == st_top) != (this->length <= 1))
-        {
+    for (size_t i = 0; i < len; ++i) {
+        if ((this->m->state == st_top) != (this->m->length <= 1)) {
             throw std::logic_error(
                 "Pl_RunLength::encode: state/length inconsistency");
         }
         unsigned char ch = datai;
-        if ((this->length > 0) &&
-            ((this->state == st_copying) || (this->length < 128)) &&
-            (ch == this->bufthis->length-1))
-        {
-            QTC::TC("libtests", "Pl_RunLength: switch to run",
-                    (this->length == 128) ? 0 : 1);
-            if (this->state == st_copying)
-            {
-                --this->length;
+        if ((this->m->length > 0) &&
+            ((this->m->state == st_copying) || (this->m->length < 128)) &&
+            (ch == this->m->bufthis->m->length - 1)) {
+            QTC::TC(
+                "libtests",
+                "Pl_RunLength: switch to run",
+                (this->m->length == 128) ? 0 : 1);
+            if (this->m->state == st_copying) {
+                --this->m->length;
                 flush_encode();
-                this->buf0 = ch;
-                this->length = 1;
+                this->m->buf0 = ch;
+                this->m->length = 1;
             }
-            this->state = st_run;
-            this->bufthis->length = ch;
-            ++this->length;
-        }
-        else
-        {
-            if ((this->length == 128) || (this->state == st_run))
-            {
+            this->m->state = st_run;
+            this->m->bufthis->m->length = ch;
+            ++this->m->length;
+        } else {
+            if ((this->m->length == 128) || (this->m->state == st_run)) {
                 flush_encode();
+            } else if (this->m->length > 0) {
+                this->m->state = st_copying;
             }
-            else if (this->length > 0)
-            {
-                this->state = st_copying;
-            }
-            this->bufthis->length = ch;
-            ++this->length;
+            this->m->bufthis->m->length = ch;
+            ++this->m->length;
         }
     }
 }
 
 void
-Pl_RunLength::decode(unsigned char* data, size_t len)
+Pl_RunLength::decode(unsigned char const* data, size_t len)
 {
-    for (size_t i = 0; i < len; ++i)
-    {
+    for (size_t i = 0; i < len; ++i) {
         unsigned char ch = datai;
-        switch (this->state)
-        {
-          case st_top:
-            if (ch < 128)
-            {
+        switch (this->m->state) {
+        case st_top:
+            if (ch < 128) {
                 // length represents remaining number of bytes to copy
-                this->length = 1 + ch;
-                this->state = st_copying;
-            }
-            else if (ch > 128)
-            {
+                this->m->length = 1U + ch;
+                this->m->state = st_copying;
+            } else if (ch > 128) {
                 // length represents number of copies of next byte
-                this->length = 257 - ch;
-                this->state = st_run;
-            }
-            else // ch == 128
+                this->m->length = 257U - ch;
+                this->m->state = st_run;
+            } else // ch == 128
             {
                 // EOD; stay in this state
             }
             break;
 
-          case st_copying:
+        case st_copying:
             this->getNext()->write(&ch, 1);
-            if (--this->length == 0)
-            {
-                this->state = st_top;
+            if (--this->m->length == 0) {
+                this->m->state = st_top;
             }
             break;
 
-          case st_run:
-            for (unsigned int j = 0; j < this->length; ++j)
-            {
+        case st_run:
+            for (unsigned int j = 0; j < this->m->length; ++j) {
                 this->getNext()->write(&ch, 1);
             }
-            this->state = st_top;
+            this->m->state = st_top;
             break;
         }
     }
@@ -122,36 +111,32 @@
 void
 Pl_RunLength::flush_encode()
 {
-    if (this->length == 128)
-    {
-        QTC::TC("libtests", "Pl_RunLength flush full buffer",
-                (this->state == st_copying ? 0 :
-                 this->state == st_run ? 1 :
-                 -1));
+    if (this->m->length == 128) {
+        QTC::TC(
+            "libtests",
+            "Pl_RunLength flush full buffer",
+            (this->m->state == st_copying   ? 0
+                 : this->m->state == st_run ? 1
+                                            : -1));
     }
-    if (this->length == 0)
-    {
+    if (this->m->length == 0) {
         QTC::TC("libtests", "Pl_RunLength flush empty buffer");
     }
-    if (this->state == st_run)
-    {
-        if ((this->length < 2) || (this->length > 128))
-        {
+    if (this->m->state == st_run) {
+        if ((this->m->length < 2) || (this->m->length > 128)) {
             throw std::logic_error(
                 "Pl_RunLength: invalid length in flush_encode for run");
         }
-        unsigned char ch = static_cast<unsigned char>(257 - this->length);
+        unsigned char ch = static_cast<unsigned char>(257 - this->m->length);
         this->getNext()->write(&ch, 1);
-        this->getNext()->write(&this->buf0, 1);
-    }
-    else if (this->length > 0)
-    {
-        unsigned char ch = static_cast<unsigned char>(this->length - 1);
+        this->getNext()->write(&this->m->buf0, 1);
+    } else if (this->m->length > 0) {
+        unsigned char ch = static_cast<unsigned char>(this->m->length - 1);
         this->getNext()->write(&ch, 1);
-        this->getNext()->write(this->buf, this->length);
+        this->getNext()->write(this->m->buf, this->m->length);
     }
-    this->state = st_top;
-    this->length = 0;
+    this->m->state = st_top;
+    this->m->length = 0;
 }
 
 void
@@ -161,8 +146,7 @@
     // data, which means the stream was terminated early, but we will
     // just ignore this case since this is the only sensible thing to
     // do.
-    if (this->action == a_encode)
-    {
+    if (this->m->action == a_encode) {
         flush_encode();
         unsigned char ch = 128;
         this->getNext()->write(&ch, 1);

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_SHA2.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_SHA2.cc Changed

@@ -1,82 +1,39 @@
 #include <qpdf/Pl_SHA2.hh>
-#include <stdexcept>
-#include <cstdio>
-#include <qpdf/PointerHolder.hh>
+
+#include <qpdf/QPDFCryptoProvider.hh>
 #include <qpdf/QUtil.hh>
+#include <cstdio>
+#include <stdexcept>
 
 Pl_SHA2::Pl_SHA2(int bits, Pipeline* next) :
     Pipeline("sha2", next),
-    in_progress(false),
-    bits(0)
+    in_progress(false)
 {
-    if (bits)
-    {
+    if (bits) {
         resetBits(bits);
     }
 }
 
-Pl_SHA2::~Pl_SHA2()
-{
-}
-
 void
-Pl_SHA2::badBits()
+Pl_SHA2::write(unsigned char const* buf, size_t len)
 {
-    throw std::logic_error("Pl_SHA2 has unexpected value for bits");
-}
-
-void
-Pl_SHA2::write(unsigned char* buf, size_t len)
-{
-    if (! this->in_progress)
-    {
-        switch (bits)
-        {
-          case 256:
-            sph_sha256_init(&this->ctx256);
-            break;
-          case 384:
-            sph_sha384_init(&this->ctx384);
-            break;
-          case 512:
-            sph_sha512_init(&this->ctx512);
-            break;
-          default:
-            badBits();
-            break;
-        }
-	this->in_progress = true;
+    if (!this->in_progress) {
+        this->in_progress = true;
     }
 
     // Write in chunks in case len is too big to fit in an int.
     // Assume int is at least 32 bits.
     static size_t const max_bytes = 1 << 30;
     size_t bytes_left = len;
-    unsigned char* data = buf;
-    while (bytes_left > 0)
-    {
-	size_t bytes = (bytes_left >= max_bytes ? max_bytes : bytes_left);
-        switch (bits)
-        {
-          case 256:
-            sph_sha256(&this->ctx256, data, bytes);
-            break;
-          case 384:
-            sph_sha384(&this->ctx384, data, bytes);
-            break;
-          case 512:
-            sph_sha512(&this->ctx512, data, bytes);
-            break;
-          default:
-            badBits();
-            break;
-        }
-	bytes_left -= bytes;
+    unsigned char const* data = buf;
+    while (bytes_left > 0) {
+        size_t bytes = (bytes_left >= max_bytes ? max_bytes : bytes_left);
+        this->crypto->SHA2_update(data, bytes);
+        bytes_left -= bytes;
         data += bytes;
     }
 
-    if (this->getNext(true))
-    {
+    if (this->getNext(true)) {
         this->getNext()->write(buf, len);
     }
 }
@@ -84,75 +41,40 @@
 void
 Pl_SHA2::finish()
 {
-    if (this->getNext(true))
-    {
+    if (this->getNext(true)) {
         this->getNext()->finish();
     }
-    switch (bits)
-    {
-      case 256:
-        sph_sha256_close(&this->ctx256, sha256sum);
-        break;
-      case 384:
-        sph_sha384_close(&this->ctx384, sha384sum);
-        break;
-      case 512:
-        sph_sha512_close(&this->ctx512, sha512sum);
-        break;
-      default:
-        badBits();
-        break;
-    }
+    this->crypto->SHA2_finalize();
     this->in_progress = false;
 }
 
 void
 Pl_SHA2::resetBits(int bits)
 {
-    if (this->in_progress)
-    {
-	throw std::logic_error(
-	    "bit reset requested for in-progress SHA2 Pipeline");
-    }
-    if (! ((bits == 256) || (bits == 384) || (bits == 512)))
-    {
-	throw std::logic_error("Pl_SHA2 called with bits != 256, 384, or 512");
+    if (this->in_progress) {
+        throw std::logic_error(
+            "bit reset requested for in-progress SHA2 Pipeline");
     }
-    this->bits = bits;
+    this->crypto = QPDFCryptoProvider::getImpl();
+    this->crypto->SHA2_init(bits);
 }
 
 std::string
 Pl_SHA2::getRawDigest()
 {
-    std::string result;
-    switch (bits)
-    {
-      case 256:
-        result = std::string(reinterpret_cast<char*>(this->sha256sum),
-                             sizeof(this->sha256sum));
-        break;
-      case 384:
-        result = std::string(reinterpret_cast<char*>(this->sha384sum),
-                             sizeof(this->sha384sum));
-        break;
-      case 512:
-        result = std::string(reinterpret_cast<char*>(this->sha512sum),
-                             sizeof(this->sha512sum));
-        break;
-      default:
-        badBits();
-        break;
+    if (this->in_progress) {
+        throw std::logic_error(
+            "digest requested for in-progress SHA2 Pipeline");
     }
-    return result;
+    return this->crypto->SHA2_digest();
 }
 
 std::string
 Pl_SHA2::getHexDigest()
 {
-    if (this->in_progress)
-    {
-	throw std::logic_error(
-	    "digest requested for in-progress SHA2 Pipeline");
+    if (this->in_progress) {
+        throw std::logic_error(
+            "digest requested for in-progress SHA2 Pipeline");
     }
     return QUtil::hex_encode(getRawDigest());
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_StdioFile.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_StdioFile.cc Changed

@@ -1,47 +1,49 @@
-#include <qpdf/qpdf-config.h>  // include first for large file support
+#include <qpdf/qpdf-config.h> // include first for large file support
+
 #include <qpdf/Pl_StdioFile.hh>
+
 #include <qpdf/QUtil.hh>
-#include <stdexcept>
 #include <errno.h>
+#include <stdexcept>
 
-Pl_StdioFile::Pl_StdioFile(char const* identifier, FILE* f) :
-    Pipeline(identifier, 0),
+Pl_StdioFile::Members::Members(FILE* f) :
     file(f)
 {
 }
 
+Pl_StdioFile::Pl_StdioFile(char const* identifier, FILE* f) :
+    Pipeline(identifier, nullptr),
+    m(new Members(f))
+{
+}
+
 Pl_StdioFile::~Pl_StdioFile()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
 }
 
 void
-Pl_StdioFile::write(unsigned char* buf, size_t len)
+Pl_StdioFile::write(unsigned char const* buf, size_t len)
 {
     size_t so_far = 0;
-    while (len > 0)
-    {
-	so_far = fwrite(buf, 1, len, this->file);
-	if (so_far == 0)
-	{
-	    QUtil::throw_system_error(
-		this->identifier + ": Pl_StdioFile::write");
-	}
-	else
-	{
-	    buf += so_far;
-	    len -= so_far;
-	}
+    while (len > 0) {
+        so_far = fwrite(buf, 1, len, this->m->file);
+        if (so_far == 0) {
+            QUtil::throw_system_error(
+                this->identifier + ": Pl_StdioFile::write");
+        } else {
+            buf += so_far;
+            len -= so_far;
+        }
     }
 }
 
 void
 Pl_StdioFile::finish()
 {
-    if ((fflush(this->file) == -1) &&
-        (errno == EBADF))
-    {
-	throw std::logic_error(
-	    this->identifier +
-	    ": Pl_StdioFile::finish: stream already closed");
+    if ((fflush(this->m->file) == -1) && (errno == EBADF)) {
+        throw std::logic_error(
+            this->identifier + ": Pl_StdioFile::finish: stream already closed");
     }
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_String.cc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Pl_TIFFPredictor.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/Pl_TIFFPredictor.cc Changed

@@ -1,74 +1,70 @@
 #include <qpdf/Pl_TIFFPredictor.hh>
-#include <qpdf/QTC.hh>
+
 #include <qpdf/BitStream.hh>
 #include <qpdf/BitWriter.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+#include <limits.h>
 #include <stdexcept>
-#include <vector>
 #include <string.h>
-#include <limits.h>
+#include <vector>
 
-Pl_TIFFPredictor::Pl_TIFFPredictor(char const* identifier, Pipeline* next,
-                                   action_e action, unsigned int columns,
-                                   unsigned int samples_per_pixel,
-                                   unsigned int bits_per_sample) :
+Pl_TIFFPredictor::Pl_TIFFPredictor(
+    char const* identifier,
+    Pipeline* next,
+    action_e action,
+    unsigned int columns,
+    unsigned int samples_per_pixel,
+    unsigned int bits_per_sample) :
     Pipeline(identifier, next),
     action(action),
     columns(columns),
     samples_per_pixel(samples_per_pixel),
     bits_per_sample(bits_per_sample),
-    cur_row(0),
     pos(0)
 {
-    if (samples_per_pixel < 1)
-    {
+    if (samples_per_pixel < 1) {
         throw std::runtime_error(
             "TIFFPredictor created with invalid samples_per_pixel");
     }
     if ((bits_per_sample < 1) ||
-        (bits_per_sample > (8 * (sizeof(unsigned long long)))))
-    {
+        (bits_per_sample > (8 * (sizeof(unsigned long long))))) {
         throw std::runtime_error(
             "TIFFPredictor created with invalid bits_per_sample");
     }
     unsigned long long bpr =
         ((columns * bits_per_sample * samples_per_pixel) + 7) / 8;
-    if ((bpr == 0) || (bpr > (UINT_MAX - 1)))
-    {
+    if ((bpr == 0) || (bpr > (UINT_MAX - 1))) {
         throw std::runtime_error(
             "TIFFPredictor created with invalid columns value");
     }
     this->bytes_per_row = bpr & UINT_MAX;
-    this->cur_row = new unsigned charthis->bytes_per_row;
-    memset(this->cur_row, 0, this->bytes_per_row);
-}
-
-Pl_TIFFPredictor::~Pl_TIFFPredictor()
-{
-    delete  cur_row;
+    this->cur_row =
+        QUtil::make_shared_array<unsigned char>(this->bytes_per_row);
+    memset(this->cur_row.get(), 0, this->bytes_per_row);
 }
 
 void
-Pl_TIFFPredictor::write(unsigned char* data, size_t len)
+Pl_TIFFPredictor::write(unsigned char const* data, size_t len)
 {
     size_t left = this->bytes_per_row - this->pos;
     size_t offset = 0;
-    while (len >= left)
-    {
-	// finish off current row
-	memcpy(this->cur_row + this->pos, data + offset, left);
-	offset += left;
-	len -= left;
+    while (len >= left) {
+        // finish off current row
+        memcpy(this->cur_row.get() + this->pos, data + offset, left);
+        offset += left;
+        len -= left;
 
-	processRow();
+        processRow();
 
-	// Prepare for next row
-	memset(this->cur_row, 0, this->bytes_per_row);
-	left = this->bytes_per_row;
-	this->pos = 0;
+        // Prepare for next row
+        memset(this->cur_row.get(), 0, this->bytes_per_row);
+        left = this->bytes_per_row;
+        this->pos = 0;
     }
-    if (len)
-    {
-	memcpy(this->cur_row + this->pos, data + offset, len);
+    if (len) {
+        memcpy(this->cur_row.get() + this->pos, data + offset, len);
     }
     this->pos += len;
 }
@@ -76,30 +72,26 @@
 void
 Pl_TIFFPredictor::processRow()
 {
-    QTC::TC("libtests", "Pl_TIFFPredictor processRow",
-            (action == a_decode ? 0 : 1));
+    QTC::TC(
+        "libtests",
+        "Pl_TIFFPredictor processRow",
+        (action == a_decode ? 0 : 1));
     BitWriter bw(this->getNext());
-    BitStream in(this->cur_row, this->bytes_per_row);
+    BitStream in(this->cur_row.get(), this->bytes_per_row);
     std::vector<long long> prev;
-    for (unsigned int i = 0; i < this->samples_per_pixel; ++i)
-    {
+    for (unsigned int i = 0; i < this->samples_per_pixel; ++i) {
         long long sample = in.getBitsSigned(this->bits_per_sample);
         bw.writeBitsSigned(sample, this->bits_per_sample);
         prev.push_back(sample);
     }
-    for (unsigned int col = 1; col < this->columns; ++col)
-    {
-        for (unsigned int i = 0; i < this->samples_per_pixel; ++i)
-        {
+    for (unsigned int col = 1; col < this->columns; ++col) {
+        for (unsigned int i = 0; i < this->samples_per_pixel; ++i) {
             long long sample = in.getBitsSigned(this->bits_per_sample);
             long long new_sample = sample;
-            if (action == a_encode)
-            {
+            if (action == a_encode) {
                 new_sample -= previ;
                 previ = sample;
-            }
-            else
-            {
+            } else {
                 new_sample += previ;
                 previ = new_sample;
             }
@@ -112,12 +104,11 @@
 void
 Pl_TIFFPredictor::finish()
 {
-    if (this->pos)
-    {
-	// write partial row
-	processRow();
+    if (this->pos) {
+        // write partial row
+        processRow();
     }
     this->pos = 0;
-    memset(this->cur_row, 0, this->bytes_per_row);
+    memset(this->cur_row.get(), 0, this->bytes_per_row);
     getNext()->finish();
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF.cc Changed

@@ -1,29 +1,42 @@
-#include <qpdf/qpdf-config.h>  // include first for large file support
+#include <qpdf/qpdf-config.h> // include first for large file support
+
 #include <qpdf/QPDF.hh>
 
-#include <vector>
-#include <map>
 #include <algorithm>
+#include <atomic>
+#include <limits>
+#include <map>
+#include <memory.h>
+#include <regex>
+#include <sstream>
 #include <stdlib.h>
 #include <string.h>
-#include <memory.h>
+#include <vector>
 
-#include <qpdf/QTC.hh>
-#include <qpdf/QUtil.hh>
-#include <qpdf/Pipeline.hh>
-#include <qpdf/Pl_Discard.hh>
-#include <qpdf/FileInputSource.hh>
 #include <qpdf/BufferInputSource.hh>
+#include <qpdf/FileInputSource.hh>
 #include <qpdf/OffsetInputSource.hh>
-
+#include <qpdf/Pipeline.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_OStream.hh>
 #include <qpdf/QPDFExc.hh>
-#include <qpdf/QPDF_Null.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QPDFObject_private.hh>
+#include <qpdf/QPDF_Array.hh>
 #include <qpdf/QPDF_Dictionary.hh>
+#include <qpdf/QPDF_Null.hh>
+#include <qpdf/QPDF_Reserved.hh>
 #include <qpdf/QPDF_Stream.hh>
+#include <qpdf/QPDF_Unresolved.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 
-std::string QPDF::qpdf_version = "8.4.2";
+// This must be a fixed value. This API returns a const reference to
+// it, and the C API relies on its being static as well.
+std::string const QPDF::qpdf_version(QPDF_VERSION);
 
-static char const* EMPTY_PDF =
+static char const* EMPTY_PDF = (
+    // force line break
     "%PDF-1.3\n"
     "1 0 obj\n"
     "<< /Type /Catalog /Pages 2 0 R >>\n"
@@ -39,52 +52,111 @@
     "trailer << /Size 3 /Root 1 0 R >>\n"
     "startxref\n"
     "110\n"
-    "%%EOF\n";
+    "%%EOF\n");
+
+namespace
+{
+    class InvalidInputSource: public InputSource
+    {
+      public:
+        virtual ~InvalidInputSource() = default;
+        virtual qpdf_offset_t
+        findAndSkipNextEOL() override
+        {
+            throwException();
+            return 0;
+        }
+        virtual std::string const&
+        getName() const override
+        {
+            static std::string name("closed input source");
+            return name;
+        }
+        virtual qpdf_offset_t
+        tell() override
+        {
+            throwException();
+            return 0;
+        }
+        virtual void
+        seek(qpdf_offset_t offset, int whence) override
+        {
+            throwException();
+        }
+        virtual void
+        rewind() override
+        {
+            throwException();
+        }
+        virtual size_t
+        read(char* buffer, size_t length) override
+        {
+            throwException();
+            return 0;
+        }
+        virtual void
+        unreadCh(char ch) override
+        {
+            throwException();
+        }
+
+      private:
+        void
+        throwException()
+        {
+            throw std::logic_error(
+                "QPDF operation attempted on a QPDF object with no input "
+                "source."
+                " QPDF operations are invalid before processFile (or another"
+                " process method) or after closeInputSource");
+        }
+    };
+} // namespace
 
 QPDF::ForeignStreamData::ForeignStreamData(
-    PointerHolder<EncryptionParameters> encp,
-    PointerHolder<InputSource> file,
-    int foreign_objid,
-    int foreign_generation,
+    std::shared_ptr<EncryptionParameters> encp,
+    std::shared_ptr<InputSource> file,
+    QPDFObjGen const& foreign_og,
     qpdf_offset_t offset,
     size_t length,
-    bool is_attachment_stream,
-    QPDFObjectHandle local_dict)
-    :
+    QPDFObjectHandle local_dict) :
     encp(encp),
     file(file),
-    foreign_objid(foreign_objid),
-    foreign_generation(foreign_generation),
+    foreign_og(foreign_og),
     offset(offset),
     length(length),
-    is_attachment_stream(is_attachment_stream),
     local_dict(local_dict)
 {
 }
 
 QPDF::CopiedStreamDataProvider::CopiedStreamDataProvider(
     QPDF& destination_qpdf) :
+    QPDFObjectHandle::StreamDataProvider(true),
     destination_qpdf(destination_qpdf)
 {
 }
 
-void
+bool
 QPDF::CopiedStreamDataProvider::provideStreamData(
-    int objid, int generation, Pipeline* pipeline)
-{
-    PointerHolder<ForeignStreamData> foreign_data =
-        this->foreign_stream_dataQPDFObjGen(objid, generation);
-    if (foreign_data.getPointer())
-    {
-        destination_qpdf.pipeForeignStreamData(
-            foreign_data, pipeline, 0, qpdf_dl_none);
-    }
-    else
-    {
-        QPDFObjectHandle foreign_stream =
-            this->foreign_streamsQPDFObjGen(objid, generation);
-        foreign_stream.pipeStreamData(pipeline, 0, qpdf_dl_none);
+    QPDFObjGen const& og,
+    Pipeline* pipeline,
+    bool suppress_warnings,
+    bool will_retry)
+{
+    std::shared_ptr<ForeignStreamData> foreign_data = foreign_stream_dataog;
+    bool result = false;
+    if (foreign_data.get()) {
+        result = destination_qpdf.pipeForeignStreamData(
+            foreign_data, pipeline, suppress_warnings, will_retry);
+        QTC::TC("qpdf", "QPDF copy foreign with data", result ? 0 : 1);
+    } else {
+        auto foreign_stream = foreign_streamsog;
+        result = foreign_stream.pipeStreamData(
+            pipeline, nullptr, 0, qpdf_dl_none, suppress_warnings, will_retry);
+        QTC::TC(
+            "qpdf", "QPDF copy foreign with foreign_stream", result ? 0 : 1);
     }
+    return result;
 }
 
 void
@@ -97,27 +169,27 @@
 void
 QPDF::CopiedStreamDataProvider::registerForeignStream(
     QPDFObjGen const& local_og,
-    PointerHolder<ForeignStreamData> foreign_stream)
+    std::shared_ptr<ForeignStreamData> foreign_stream)
 {
     this->foreign_stream_datalocal_og = foreign_stream;
 }
 
-QPDF::StringDecrypter::StringDecrypter(QPDF* qpdf, int objid, int gen) :
+QPDF::StringDecrypter::StringDecrypter(QPDF* qpdf, QPDFObjGen const& og) :
     qpdf(qpdf),
-    objid(objid),
-    gen(gen)
+    og(og)
 {
 }
 
 void
 QPDF::StringDecrypter::decryptString(std::string& val)
 {
-    qpdf->decryptString(val, objid, gen);
+    qpdf->decryptString(val, og);
 }
 
 std::string const&
 QPDF::QPDFVersion()
 {
+    // The C API relies on this being a static value.
     return QPDF::qpdf_version;
 }
 
@@ -130,34 +202,34 @@
     cf_stream(e_none),
     cf_string(e_none),
     cf_file(e_none),
-    cached_key_objid(0),
-    cached_key_generation(0)
+    user_password_matched(false),
+    owner_password_matched(false)
 {
 }
 
 QPDF::Members::Members() :
+    log(QPDFLogger::defaultLogger()),
     unique_id(0),
+    file(new InvalidInputSource()),
     provided_password_is_hex_key(false),
     ignore_xref_streams(false),
     suppress_warnings(false),
-    out_stream(&std::cout),
-    err_stream(&std::cerr),
     attempt_recovery(true),
     encp(new EncryptionParameters),
     pushed_inherited_attributes_to_pages(false),
-    copied_stream_data_provider(0),
+    ever_pushed_inherited_attributes_to_pages(false),
+    ever_called_get_all_pages(false),
+    copied_stream_data_provider(nullptr),
     reconstructed_xref(false),
     fixed_dangling_refs(false),
     immediate_copy_from(false),
+    in_parse(false),
+    parsed(false),
     first_xref_item_offset(0),
     uncompressed_after_compressed(false)
 {
 }
 
-QPDF::Members::~Members()
-{
-}
-
 QPDF::QPDF() :
     m(new Members())
 {
@@ -165,9 +237,8 @@
     // Generate a unique ID. It just has to be unique among all QPDF
     // objects allocated throughout the lifetime of this running
     // application.
-    m->unique_id = static_cast<unsigned long>(QUtil::get_current_time());
-    m->unique_id <<= 32;
-    m->unique_id |= static_cast<unsigned long>(QUtil::random());
+    static std::atomic<unsigned long long> unique_id{0};
+    m->unique_id = unique_id.fetch_add(1ULL);
 }
 
 QPDF::~QPDF()
@@ -175,66 +246,82 @@
     // If two objects are mutually referential (through each object
     // having an array or dictionary that contains an indirect
     // reference to the other), the circular references in the
-    // PointerHolder objects will prevent the objects from being
-    // deleted.  Walk through all objects in the object cache, which
-    // is those objects that we read from the file, and break all
-    // resolved references.  At this point, obviously no one is still
-    // using the QPDF object, but we'll explicitly clear the xref
-    // table anyway just to prevent any possibility of resolve()
-    // succeeding.  Note that we can't break references like this at
-    // any time when the QPDF object is active.  If we do, the next
-    // reference will reread the object from the file, which would
-    // have the effect of undoing any modifications that may have been
-    // made to any of the objects.
+    // std::shared_ptr objects will prevent the objects from being
+    // deleted. Walk through all objects in the object cache, which is
+    // those objects that we read from the file, and break all
+    // resolved indirect references by replacing them with an internal
+    // object type representing that they have been destroyed. Note
+    // that we can't break references like this at any time when the
+    // QPDF object is active. The call to reset also causes all direct
+    // QPDFObjectHandle objects that are reachable from this object to
+    // release their association with this QPDF. Direct objects are
+    // not destroyed since they can be moved to other QPDF objects
+    // safely.
+
+    // At this point, obviously no one is still using the QPDF object,
+    // but we'll explicitly clear the xref table anyway just to
+    // prevent any possibility of resolve() succeeding.
     this->m->xref_table.clear();
-    for (std::map<QPDFObjGen, ObjCache>::iterator iter =
-             this->m->obj_cache.begin();
-	 iter != this->m->obj_cache.end(); ++iter)
-    {
-	QPDFObject::ObjAccessor::releaseResolved(
-	    (*iter).second.object.getPointer());
+    auto null_obj = QPDF_Null::create();
+    for (auto const& iter: this->m->obj_cache) {
+        iter.second.object->disconnect();
+        iter.second.object->destroy();
     }
 }
 
+std::shared_ptr<QPDF>
+QPDF::create()
+{
+    return std::make_shared<QPDF>();
+}
+
 void
 QPDF::processFile(char const* filename, char const* password)
 {
-    FileInputSource* fi = new FileInputSource();
-    fi->setFilename(filename);
-    processInputSource(fi, password);
+    FileInputSource* fi = new FileInputSource(filename);
+    processInputSource(std::shared_ptr<InputSource>(fi), password);
 }
 
 void
-QPDF::processFile(char const* description, FILE* filep,
-                  bool close_file, char const* password)
+QPDF::processFile(
+    char const* description, FILE* filep, bool close_file, char const* password)
 {
-    FileInputSource* fi = new FileInputSource();
-    fi->setFile(description, filep, close_file);
-    processInputSource(fi, password);
+    FileInputSource* fi = new FileInputSource(description, filep, close_file);
+    processInputSource(std::shared_ptr<InputSource>(fi), password);
 }
 
 void
-QPDF::processMemoryFile(char const* description,
-			char const* buf, size_t length,
-			char const* password)
+QPDF::processMemoryFile(
+    char const* description,
+    char const* buf,
+    size_t length,
+    char const* password)
 {
     processInputSource(
-	new BufferInputSource(
-            description,
-            new Buffer(QUtil::unsigned_char_pointer(buf), length),
-            true),
+        std::shared_ptr<InputSource>(
+            // line-break
+            new BufferInputSource(
+                description,
+                new Buffer(QUtil::unsigned_char_pointer(buf), length),
+                true)),
         password);
 }
 
 void
-QPDF::processInputSource(PointerHolder<InputSource> source,
-                         char const* password)
+QPDF::processInputSource(
+    std::shared_ptr<InputSource> source, char const* password)
 {
     this->m->file = source;
     parse(password);
 }
 
 void
+QPDF::closeInputSource()
+{
+    this->m->file = std::shared_ptr<InputSource>(new InvalidInputSource());
+}
+
+void
 QPDF::setPasswordIsHexKey(bool val)
 {
     this->m->provided_password_is_hex_key = val;
@@ -247,16 +334,36 @@
 }
 
 void
+QPDF::registerStreamFilter(
+    std::string const& filter_name,
+    std::function<std::shared_ptr<QPDFStreamFilter>()> factory)
+{
+    QPDF_Stream::registerStreamFilter(filter_name, factory);
+}
+
+void
 QPDF::setIgnoreXRefStreams(bool val)
 {
     this->m->ignore_xref_streams = val;
 }
 
+std::shared_ptr<QPDFLogger>
+QPDF::getLogger()
+{
+    return this->m->log;
+}
+
+void
+QPDF::setLogger(std::shared_ptr<QPDFLogger> l)
+{
+    this->m->log = l;
+}
+
 void
 QPDF::setOutputStreams(std::ostream* out, std::ostream* err)
 {
-    this->m->out_stream = out ? out : &std::cout;
-    this->m->err_stream = err ? err : &std::cerr;
+    setLogger(QPDFLogger::create());
+    this->m->log->setOutputStreams(out, err);
 }
 
 void
@@ -286,13 +393,44 @@
 }
 
 bool
+QPDF::anyWarnings() const
+{
+    return !this->m->warnings.empty();
+}
+
+size_t
+QPDF::numWarnings() const
+{
+    return this->m->warnings.size();
+}
+
+bool
+QPDF::validatePDFVersion(char const*& p, std::string& version)
+{
+    bool valid = QUtil::is_digit(*p);
+    if (valid) {
+        while (QUtil::is_digit(*p)) {
+            version.append(1, *p++);
+        }
+        if ((*p == '.') && QUtil::is_digit(*(p + 1))) {
+            version.append(1, *p++);
+            while (QUtil::is_digit(*p)) {
+                version.append(1, *p++);
+            }
+        } else {
+            valid = false;
+        }
+    }
+    return valid;
+}
+
+bool
 QPDF::findHeader()
 {
     qpdf_offset_t global_offset = this->m->file->tell();
     std::string line = this->m->file->readLine(1024);
     char const* p = line.c_str();
-    if (strncmp(p, "%PDF-", 5) != 0)
-    {
+    if (strncmp(p, "%PDF-", 5) != 0) {
         throw std::logic_error("findHeader is not looking at %PDF-");
     }
     p += 5;
@@ -301,37 +439,17 @@
     // null-terminated. The code below never overruns the buffer
     // because a null character always short-circuits further
     // advancement.
-    bool valid = QUtil::is_digit(*p);
-    if (valid)
-    {
-        while (QUtil::is_digit(*p))
-        {
-            version.append(1, *p++);
-        }
-        if ((*p == '.') && QUtil::is_digit(*(p+1)))
-        {
-            version.append(1, *p++);
-            while (QUtil::is_digit(*p))
-            {
-                version.append(1, *p++);
-            }
-        }
-        else
-        {
-            valid = false;
-        }
-    }
-    if (valid)
-    {
+    bool valid = validatePDFVersion(p, version);
+    if (valid) {
         this->m->pdf_version = version;
-        if (global_offset != 0)
-        {
+        if (global_offset != 0) {
             // Empirical evidence strongly suggests that when there is
             // leading material prior to the PDF header, all explicit
             // offsets in the file are such that 0 points to the
             // beginning of the header.
             QTC::TC("qpdf", "QPDF global offset");
-            this->m->file = new OffsetInputSource(this->m->file, global_offset);
+            this->m->file = std::shared_ptr<InputSource>(
+                new OffsetInputSource(this->m->file, global_offset));
         }
     }
     return valid;
@@ -341,11 +459,9 @@
 QPDF::findStartxref()
 {
     QPDFTokenizer::Token t = readToken(this->m->file);
-    if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "startxref"))
-    {
+    if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "startxref")) {
         t = readToken(this->m->file);
-        if (t.getType() == QPDFTokenizer::tt_integer)
-        {
+        if (t.getType() == QPDFTokenizer::tt_integer) {
             // Position in front of offset token
             this->m->file->seek(this->m->file->getLastOffset(), SEEK_SET);
             return true;
@@ -357,26 +473,19 @@
 void
 QPDF::parse(char const* password)
 {
-    if (password)
-    {
-	this->m->encp->provided_password = password;
+    if (password) {
+        this->m->encp->provided_password = password;
     }
 
     // Find the header anywhere in the first 1024 bytes of the file.
     PatternFinder hf(*this, &QPDF::findHeader);
-    if (! this->m->file->findFirst("%PDF-", 0, 1024, hf))
-    {
-	QTC::TC("qpdf", "QPDF not a pdf file");
-	warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                     "", 0, "can't find PDF header"));
+    if (!this->m->file->findFirst("%PDF-", 0, 1024, hf)) {
+        QTC::TC("qpdf", "QPDF not a pdf file");
+        warn(qpdf_e_damaged_pdf, "", 0, "can't find PDF header");
         // QPDFWriter writes files that usually require at least
         // version 1.2 for /FlateDecode
         this->m->pdf_version = "1.2";
     }
-    if (atof(this->m->pdf_version.c_str()) < 1.2)
-    {
-        this->m->tokenizer.allowPoundAnywhereInName();
-    }
 
     // PDF spec says %%EOF must be found within the last 1024 bytes of
     // the file.  We add an extra 30 characters to leave room for the
@@ -386,57 +495,84 @@
     qpdf_offset_t start_offset = (end_offset > 1054 ? end_offset - 1054 : 0);
     PatternFinder sf(*this, &QPDF::findStartxref);
     qpdf_offset_t xref_offset = 0;
-    if (this->m->file->findLast("startxref", start_offset, 0, sf))
-    {
-        xref_offset = QUtil::string_to_ll(
-            readToken(this->m->file).getValue().c_str());
-    }
-
-    try
-    {
-	if (xref_offset == 0)
-	{
-	    QTC::TC("qpdf", "QPDF can't find startxref");
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-			  "can't find startxref");
-	}
-	read_xref(xref_offset);
-    }
-    catch (QPDFExc& e)
-    {
-	if (this->m->attempt_recovery)
-	{
-	    reconstruct_xref(e);
-	    QTC::TC("qpdf", "QPDF reconstructed xref table");
-	}
-	else
-	{
-	    throw e;
-	}
+    if (this->m->file->findLast("startxref", start_offset, 0, sf)) {
+        xref_offset =
+            QUtil::string_to_ll(readToken(this->m->file).getValue().c_str());
+    }
+
+    try {
+        if (xref_offset == 0) {
+            QTC::TC("qpdf", "QPDF can't find startxref");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "",
+                0,
+                "can't find startxref");
+        }
+        try {
+            read_xref(xref_offset);
+        } catch (QPDFExc&) {
+            throw;
+        } catch (std::exception& e) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "",
+                0,
+                std::string("error reading xref: ") + e.what());
+        }
+    } catch (QPDFExc& e) {
+        if (this->m->attempt_recovery) {
+            reconstruct_xref(e);
+            QTC::TC("qpdf", "QPDF reconstructed xref table");
+        } else {
+            throw e;
+        }
     }
 
     initializeEncryption();
-    findAttachmentStreams();
+    this->m->parsed = true;
+}
+
+void
+QPDF::inParse(bool v)
+{
+    if (this->m->in_parse == v) {
+        // This happens of QPDFObjectHandle::parseInternal tries to
+        // resolve an indirect object while it is parsing.
+        throw std::logic_error(
+            "QPDF: re-entrant parsing detected. This is a qpdf bug."
+            " Please report at https://github.com/qpdf/qpdf/issues.");
+    }
+    this->m->in_parse = v;
 }
 
 void
 QPDF::warn(QPDFExc const& e)
 {
     this->m->warnings.push_back(e);
-    if (! this->m->suppress_warnings)
-    {
-	*this->m->err_stream
-            << "WARNING: "
-            << this->m->warnings.back().what() << std::endl;
+    if (!this->m->suppress_warnings) {
+        *this->m->log->getWarn()
+            << "WARNING: " << this->m->warnings.back().what() << "\n";
     }
 }
 
 void
+QPDF::warn(
+    qpdf_error_code_e error_code,
+    std::string const& object,
+    qpdf_offset_t offset,
+    std::string const& message)
+{
+    warn(QPDFExc(error_code, this->getFilename(), object, offset, message));
+}
+
+void
 QPDF::setTrailer(QPDFObjectHandle obj)
 {
-    if (this->m->trailer.isInitialized())
-    {
-	return;
+    if (this->m->trailer.isInitialized()) {
+        return;
     }
     this->m->trailer = obj;
 }
@@ -444,8 +580,7 @@
 void
 QPDF::reconstruct_xref(QPDFExc& e)
 {
-    if (this->m->reconstructed_xref)
-    {
+    if (this->m->reconstructed_xref) {
         // Avoid xref reconstruction infinite loops. This is getting
         // very hard to reproduce because qpdf is throwing many fewer
         // exceptions while parsing. Most situations are warnings now.
@@ -454,103 +589,79 @@
 
     this->m->reconstructed_xref = true;
 
-    warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-		 "file is damaged"));
+    warn(qpdf_e_damaged_pdf, "", 0, "file is damaged");
     warn(e);
-    warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-		 "Attempting to reconstruct cross-reference table"));
+    warn(
+        qpdf_e_damaged_pdf,
+        "",
+        0,
+        "Attempting to reconstruct cross-reference table");
 
     // Delete all references to type 1 (uncompressed) objects
     std::set<QPDFObjGen> to_delete;
-    for (std::map<QPDFObjGen, QPDFXRefEntry>::iterator iter =
-	     this->m->xref_table.begin();
-	 iter != this->m->xref_table.end(); ++iter)
-    {
-	if (((*iter).second).getType() == 1)
-	{
-	    to_delete.insert((*iter).first);
-	}
+    for (auto const& iter: this->m->xref_table) {
+        if (iter.second.getType() == 1) {
+            to_delete.insert(iter.first);
+        }
     }
-    for (std::set<QPDFObjGen>::iterator iter = to_delete.begin();
-	 iter != to_delete.end(); ++iter)
-    {
-	this->m->xref_table.erase(*iter);
+    for (auto const& iter: to_delete) {
+        this->m->xref_table.erase(iter);
     }
 
     this->m->file->seek(0, SEEK_END);
     qpdf_offset_t eof = this->m->file->tell();
     this->m->file->seek(0, SEEK_SET);
-    bool in_obj = false;
     qpdf_offset_t line_start = 0;
     // Don't allow very long tokens here during recovery.
     static size_t const MAX_LEN = 100;
-    while (this->m->file->tell() < eof)
-    {
+    while (this->m->file->tell() < eof) {
         this->m->file->findAndSkipNextEOL();
         qpdf_offset_t next_line_start = this->m->file->tell();
         this->m->file->seek(line_start, SEEK_SET);
         QPDFTokenizer::Token t1 = readToken(this->m->file, MAX_LEN);
         qpdf_offset_t token_start =
-            this->m->file->tell() - t1.getValue().length();
-        if (token_start >= next_line_start)
-        {
-            // don't process yet
-        }
-	else if (in_obj)
-	{
-            if (t1 == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "endobj"))
-	    {
-		in_obj = false;
-	    }
-	}
-        else
-        {
-            if (t1.getType() == QPDFTokenizer::tt_integer)
-            {
-                QPDFTokenizer::Token t2 =
-                    readToken(this->m->file, MAX_LEN);
-                QPDFTokenizer::Token t3 =
-                    readToken(this->m->file, MAX_LEN);
-                if ((t2.getType() == QPDFTokenizer::tt_integer) &&
-                    (t3 == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "obj")))
-                {
-                    in_obj = true;
-                    int obj = QUtil::string_to_int(t1.getValue().c_str());
-                    int gen = QUtil::string_to_int(t2.getValue().c_str());
-                    insertXrefEntry(obj, 1, token_start, gen, true);
-                }
+            this->m->file->tell() - toO(t1.getValue().length());
+        if (token_start >= next_line_start) {
+            // don't process yet -- wait until we get to the line
+            // containing this token
+        } else if (t1.getType() == QPDFTokenizer::tt_integer) {
+            QPDFTokenizer::Token t2 = readToken(this->m->file, MAX_LEN);
+            QPDFTokenizer::Token t3 = readToken(this->m->file, MAX_LEN);
+            if ((t2.getType() == QPDFTokenizer::tt_integer) &&
+                (t3 == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "obj"))) {
+                int obj = QUtil::string_to_int(t1.getValue().c_str());
+                int gen = QUtil::string_to_int(t2.getValue().c_str());
+                insertXrefEntry(obj, 1, token_start, gen, true);
             }
-            else if ((! this->m->trailer.isInitialized()) &&
-                     (t1 == QPDFTokenizer::Token(
-                         QPDFTokenizer::tt_word, "trailer")))
-            {
-                QPDFObjectHandle t =
-                    readObject(this->m->file, "trailer", 0, 0, false);
-                if (! t.isDictionary())
-                {
-                    // Oh well.  It was worth a try.
-                }
-                else
-                {
-                    setTrailer(t);
-                }
+        } else if (
+            (!this->m->trailer.isInitialized()) &&
+            (t1 == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "trailer"))) {
+            QPDFObjectHandle t =
+                readObject(this->m->file, "trailer", QPDFObjGen(), false);
+            if (!t.isDictionary()) {
+                // Oh well.  It was worth a try.
+            } else {
+                setTrailer(t);
             }
-	}
+        }
         this->m->file->seek(next_line_start, SEEK_SET);
         line_start = next_line_start;
     }
 
-    if (! this->m->trailer.isInitialized())
-    {
-	// We could check the last encountered object to see if it was
-	// an xref stream.  If so, we could try to get the trailer
-	// from there.  This may make it possible to recover files
-	// with bad startxref pointers even when they have object
-	// streams.
+    if (!this->m->trailer.isInitialized()) {
+        // We could check the last encountered object to see if it was
+        // an xref stream.  If so, we could try to get the trailer
+        // from there.  This may make it possible to recover files
+        // with bad startxref pointers even when they have object
+        // streams.
 
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-		      "unable to find trailer "
-		      "dictionary while recovering damaged file");
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "",
+            0,
+            "unable to find trailer "
+            "dictionary while recovering damaged file");
     }
 
     // We could iterate through the objects looking for streams and
@@ -567,67 +678,104 @@
 {
     std::map<int, int> free_table;
     std::set<qpdf_offset_t> visited;
-    while (xref_offset)
-    {
+    while (xref_offset) {
         visited.insert(xref_offset);
         char buf7;
         memset(buf, 0, sizeof(buf));
-	this->m->file->seek(xref_offset, SEEK_SET);
-	this->m->file->read(buf, sizeof(buf) - 1);
+        this->m->file->seek(xref_offset, SEEK_SET);
+        // Some files miss the mark a little with startxref. We could
+        // do a better job of searching in the neighborhood for
+        // something that looks like either an xref table or stream,
+        // but the simple heuristic of skipping whitespace can help
+        // with the xref table case and is harmless with the stream
+        // case.
+        bool done = false;
+        bool skipped_space = false;
+        while (!done) {
+            char ch;
+            if (1 == this->m->file->read(&ch, 1)) {
+                if (QUtil::is_space(ch)) {
+                    skipped_space = true;
+                } else {
+                    this->m->file->unreadCh(ch);
+                    done = true;
+                }
+            } else {
+                QTC::TC(
+                    "qpdf",
+                    "QPDF eof skipping spaces before xref",
+                    skipped_space ? 0 : 1);
+                done = true;
+            }
+        }
+
+        this->m->file->read(buf, sizeof(buf) - 1);
         // The PDF spec says xref must be followed by a line
         // terminator, but files exist in the wild where it is
         // terminated by arbitrary whitespace.
-        if ((strncmp(buf, "xref", 4) == 0) &&
-            QUtil::is_space(buf4))
-	{
-            QTC::TC("qpdf", "QPDF xref space",
-                    ((buf4 == '\n') ? 0 :
-                     (buf4 == '\r') ? 1 :
-                     (buf4 == ' ') ? 2 : 9999));
+        if ((strncmp(buf, "xref", 4) == 0) && QUtil::is_space(buf4)) {
+            if (skipped_space) {
+                QTC::TC("qpdf", "QPDF xref skipped space");
+                warn(
+                    qpdf_e_damaged_pdf,
+                    "",
+                    0,
+                    "extraneous whitespace seen before xref");
+            }
+            QTC::TC(
+                "qpdf",
+                "QPDF xref space",
+                ((buf4 == '\n')       ? 0
+                     : (buf4 == '\r') ? 1
+                     : (buf4 == ' ')  ? 2
+                                        : 9999));
             int skip = 4;
             // buf is null-terminated, and QUtil::is_space('\0') is
             // false, so this won't overrun.
-            while (QUtil::is_space(bufskip))
-            {
+            while (QUtil::is_space(bufskip)) {
                 ++skip;
             }
             xref_offset = read_xrefTable(xref_offset + skip);
-	}
-	else
-	{
-	    xref_offset = read_xrefStream(xref_offset);
-	}
-        if (visited.count(xref_offset) != 0)
-        {
+        } else {
+            xref_offset = read_xrefStream(xref_offset);
+        }
+        if (visited.count(xref_offset) != 0) {
             QTC::TC("qpdf", "QPDF xref loop");
-            throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-                          "loop detected following xref tables");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "",
+                0,
+                "loop detected following xref tables");
         }
     }
 
-    if (! this->m->trailer.isInitialized())
-    {
-        throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-                      "unable to find trailer while reading xref");
+    if (!this->m->trailer.isInitialized()) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "",
+            0,
+            "unable to find trailer while reading xref");
     }
-    int size = this->m->trailer.getKey("/Size").getIntValue();
+    int size = this->m->trailer.getKey("/Size").getIntValueAsInt();
     int max_obj = 0;
-    if (! this->m->xref_table.empty())
-    {
-	max_obj = (*(this->m->xref_table.rbegin())).first.getObj();
+    if (!this->m->xref_table.empty()) {
+        max_obj = (*(this->m->xref_table.rbegin())).first.getObj();
     }
-    if (! this->m->deleted_objects.empty())
-    {
-	max_obj = std::max(max_obj, *(this->m->deleted_objects.rbegin()));
+    if (!this->m->deleted_objects.empty()) {
+        max_obj = std::max(max_obj, *(this->m->deleted_objects.rbegin()));
     }
-    if (size != max_obj + 1)
-    {
-	QTC::TC("qpdf", "QPDF xref size mismatch");
-	warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-		     std::string("reported number of objects (") +
-		     QUtil::int_to_string(size) +
-		     ") inconsistent with actual number of objects (" +
-		     QUtil::int_to_string(max_obj + 1) + ")"));
+    if ((size < 1) || (size - 1 != max_obj)) {
+        QTC::TC("qpdf", "QPDF xref size mismatch");
+        warn(
+            qpdf_e_damaged_pdf,
+            "",
+            0,
+            (std::string("reported number of objects (") +
+             QUtil::int_to_string(size) +
+             ") is not one plus the highest object number (" +
+             QUtil::int_to_string(max_obj) + ")"));
     }
 
     // We no longer need the deleted_objects table, so go ahead and
@@ -636,8 +784,7 @@
 }
 
 bool
-QPDF::parse_xrefFirst(std::string const& line,
-                      int& obj, int& num, int& bytes)
+QPDF::parse_xrefFirst(std::string const& line, int& obj, int& num, int& bytes)
 {
     // is_space and is_digit both return false on '\0', so this will
     // not overrun the null-terminated buffer.
@@ -645,56 +792,48 @@
     char const* start = line.c_str();
 
     // Skip zero or more spaces
-    while (QUtil::is_space(*p))
-    {
+    while (QUtil::is_space(*p)) {
         ++p;
     }
     // Require digit
-    if (! QUtil::is_digit(*p))
-    {
+    if (!QUtil::is_digit(*p)) {
         return false;
     }
     // Gather digits
     std::string obj_str;
-    while (QUtil::is_digit(*p))
-    {
+    while (QUtil::is_digit(*p)) {
         obj_str.append(1, *p++);
     }
     // Require space
-    if (! QUtil::is_space(*p))
-    {
+    if (!QUtil::is_space(*p)) {
         return false;
     }
     // Skip spaces
-    while (QUtil::is_space(*p))
-    {
+    while (QUtil::is_space(*p)) {
         ++p;
     }
     // Require digit
-    if (! QUtil::is_digit(*p))
-    {
+    if (!QUtil::is_digit(*p)) {
         return false;
     }
     // Gather digits
     std::string num_str;
-    while (QUtil::is_digit(*p))
-    {
+    while (QUtil::is_digit(*p)) {
         num_str.append(1, *p++);
     }
     // Skip any space including line terminators
-    while (QUtil::is_space(*p))
-    {
+    while (QUtil::is_space(*p)) {
         ++p;
     }
-    bytes = p - start;
+    bytes = toI(p - start);
     obj = QUtil::string_to_int(obj_str.c_str());
     num = QUtil::string_to_int(num_str.c_str());
     return true;
 }
 
 bool
-QPDF::parse_xrefEntry(std::string const& line,
-                      qpdf_offset_t& f1, int& f2, char& type)
+QPDF::parse_xrefEntry(
+    std::string const& line, qpdf_offset_t& f1, int& f2, char& type)
 {
     // is_space and is_digit both return false on '\0', so this will
     // not overrun the null-terminated buffer.
@@ -702,84 +841,69 @@
 
     // Skip zero or more spaces. There aren't supposed to be any.
     bool invalid = false;
-    while (QUtil::is_space(*p))
-    {
+    while (QUtil::is_space(*p)) {
         ++p;
         QTC::TC("qpdf", "QPDF ignore first space in xref entry");
         invalid = true;
     }
     // Require digit
-    if (! QUtil::is_digit(*p))
-    {
+    if (!QUtil::is_digit(*p)) {
         return false;
     }
     // Gather digits
     std::string f1_str;
-    while (QUtil::is_digit(*p))
-    {
+    while (QUtil::is_digit(*p)) {
         f1_str.append(1, *p++);
     }
     // Require space
-    if (! QUtil::is_space(*p))
-    {
+    if (!QUtil::is_space(*p)) {
         return false;
     }
-    if (QUtil::is_space(*(p+1)))
-    {
+    if (QUtil::is_space(*(p + 1))) {
         QTC::TC("qpdf", "QPDF ignore first extra space in xref entry");
         invalid = true;
     }
     // Skip spaces
-    while (QUtil::is_space(*p))
-    {
+    while (QUtil::is_space(*p)) {
         ++p;
     }
     // Require digit
-    if (! QUtil::is_digit(*p))
-    {
+    if (!QUtil::is_digit(*p)) {
         return false;
     }
     // Gather digits
     std::string f2_str;
-    while (QUtil::is_digit(*p))
-    {
+    while (QUtil::is_digit(*p)) {
         f2_str.append(1, *p++);
     }
     // Require space
-    if (! QUtil::is_space(*p))
-    {
+    if (!QUtil::is_space(*p)) {
         return false;
     }
-    if (QUtil::is_space(*(p+1)))
-    {
+    if (QUtil::is_space(*(p + 1))) {
         QTC::TC("qpdf", "QPDF ignore second extra space in xref entry");
         invalid = true;
     }
     // Skip spaces
-    while (QUtil::is_space(*p))
-    {
+    while (QUtil::is_space(*p)) {
         ++p;
     }
-    if ((*p == 'f') || (*p == 'n'))
-    {
+    if ((*p == 'f') || (*p == 'n')) {
         type = *p;
-    }
-    else
-    {
+    } else {
         return false;
     }
-    if ((f1_str.length() != 10) || (f2_str.length() != 5))
-    {
+    if ((f1_str.length() != 10) || (f2_str.length() != 5)) {
         QTC::TC("qpdf", "QPDF ignore length error xref entry");
         invalid = true;
     }
 
-    if (invalid)
-    {
-        warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                     "xref table",
-                     this->m->file->getLastOffset(),
-                     "accepting invalid xref table entry"));
+    if (invalid) {
+        warn(
+            qpdf_e_damaged_pdf,
+            "xref table",
+            this->m->file->getLastOffset(),
+            "accepting invalid xref table entry");
     }
 
     f1 = QUtil::string_to_ll(f1_str.c_str());
@@ -795,148 +919,138 @@
 
     this->m->file->seek(xref_offset, SEEK_SET);
     bool done = false;
-    while (! done)
-    {
+    while (!done) {
         char linebuf51;
         memset(linebuf, 0, sizeof(linebuf));
         this->m->file->read(linebuf, sizeof(linebuf) - 1);
-	std::string line = linebuf;
+        std::string line = linebuf;
         int obj = 0;
         int num = 0;
         int bytes = 0;
-        if (! parse_xrefFirst(line, obj, num, bytes))
-	{
-	    QTC::TC("qpdf", "QPDF invalid xref");
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "xref table", this->m->file->getLastOffset(),
-			  "xref syntax invalid");
-	}
+        if (!parse_xrefFirst(line, obj, num, bytes)) {
+            QTC::TC("qpdf", "QPDF invalid xref");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "xref table",
+                this->m->file->getLastOffset(),
+                "xref syntax invalid");
+        }
         this->m->file->seek(this->m->file->getLastOffset() + bytes, SEEK_SET);
-	for (int i = obj; i < obj + num; ++i)
-	{
-	    if (i == 0)
-	    {
-		// This is needed by checkLinearization()
-		this->m->first_xref_item_offset = this->m->file->tell();
-	    }
-	    std::string xref_entry = this->m->file->readLine(30);
+        for (qpdf_offset_t i = obj; i - num < obj; ++i) {
+            if (i == 0) {
+                // This is needed by checkLinearization()
+                this->m->first_xref_item_offset = this->m->file->tell();
+            }
+            std::string xref_entry = this->m->file->readLine(30);
             // For xref_table, these will always be small enough to be ints
-	    qpdf_offset_t f1 = 0;
-	    int f2 = 0;
-	    char type = '\0';
-            if (! parse_xrefEntry(xref_entry, f1, f2, type))
-	    {
-		QTC::TC("qpdf", "QPDF invalid xref entry");
-		throw QPDFExc(
-		    qpdf_e_damaged_pdf, this->m->file->getName(),
-		    "xref table", this->m->file->getLastOffset(),
-		    "invalid xref entry (obj=" +
-		    QUtil::int_to_string(i) + ")");
-	    }
-	    if (type == 'f')
-	    {
-		// Save deleted items until after we've checked the
-		// XRefStm, if any.
-		deleted_items.push_back(QPDFObjGen(i, f2));
-	    }
-	    else
-	    {
-		insertXrefEntry(i, 1, f1, f2);
-	    }
-	}
-	qpdf_offset_t pos = this->m->file->tell();
-	QPDFTokenizer::Token t = readToken(this->m->file);
-	if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "trailer"))
-	{
-	    done = true;
-	}
-	else
-	{
-	    this->m->file->seek(pos, SEEK_SET);
-	}
+            qpdf_offset_t f1 = 0;
+            int f2 = 0;
+            char type = '\0';
+            if (!parse_xrefEntry(xref_entry, f1, f2, type)) {
+                QTC::TC("qpdf", "QPDF invalid xref entry");
+                throw QPDFExc(
+                    qpdf_e_damaged_pdf,
+                    this->m->file->getName(),
+                    "xref table",
+                    this->m->file->getLastOffset(),
+                    "invalid xref entry (obj=" + QUtil::int_to_string(i) + ")");
+            }
+            if (type == 'f') {
+                // Save deleted items until after we've checked the
+                // XRefStm, if any.
+                deleted_items.push_back(QPDFObjGen(toI(i), f2));
+            } else {
+                insertXrefEntry(toI(i), 1, f1, f2);
+            }
+        }
+        qpdf_offset_t pos = this->m->file->tell();
+        QPDFTokenizer::Token t = readToken(this->m->file);
+        if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "trailer")) {
+            done = true;
+        } else {
+            this->m->file->seek(pos, SEEK_SET);
+        }
     }
 
     // Set offset to previous xref table if any
     QPDFObjectHandle cur_trailer =
-	readObject(this->m->file, "trailer", 0, 0, false);
-    if (! cur_trailer.isDictionary())
-    {
-	QTC::TC("qpdf", "QPDF missing trailer");
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "", this->m->file->getLastOffset(),
-		      "expected trailer dictionary");
+        readObject(this->m->file, "trailer", QPDFObjGen(), false);
+    if (!cur_trailer.isDictionary()) {
+        QTC::TC("qpdf", "QPDF missing trailer");
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "",
+            this->m->file->getLastOffset(),
+            "expected trailer dictionary");
+    }
+
+    if (!this->m->trailer.isInitialized()) {
+        setTrailer(cur_trailer);
+
+        if (!this->m->trailer.hasKey("/Size")) {
+            QTC::TC("qpdf", "QPDF trailer lacks size");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "trailer",
+                this->m->file->getLastOffset(),
+                "trailer dictionary lacks /Size key");
+        }
+        if (!this->m->trailer.getKey("/Size").isInteger()) {
+            QTC::TC("qpdf", "QPDF trailer size not integer");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "trailer",
+                this->m->file->getLastOffset(),
+                "/Size key in trailer dictionary is not "
+                "an integer");
+        }
     }
 
-    if (! this->m->trailer.isInitialized())
-    {
-	setTrailer(cur_trailer);
-
-	if (! this->m->trailer.hasKey("/Size"))
-	{
-	    QTC::TC("qpdf", "QPDF trailer lacks size");
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "trailer", this->m->file->getLastOffset(),
-			  "trailer dictionary lacks /Size key");
-	}
-	if (! this->m->trailer.getKey("/Size").isInteger())
-	{
-	    QTC::TC("qpdf", "QPDF trailer size not integer");
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "trailer", this->m->file->getLastOffset(),
-			  "/Size key in trailer dictionary is not "
-			  "an integer");
-	}
-    }
-
-    if (cur_trailer.hasKey("/XRefStm"))
-    {
-	if (this->m->ignore_xref_streams)
-	{
-	    QTC::TC("qpdf", "QPDF ignoring XRefStm in trailer");
-	}
-	else
-	{
-	    if (cur_trailer.getKey("/XRefStm").isInteger())
-	    {
-		// Read the xref stream but disregard any return value
-		// -- we'll use our trailer's /Prev key instead of the
-		// xref stream's.
-		(void) read_xrefStream(
-		    cur_trailer.getKey("/XRefStm").getIntValue());
-	    }
-	    else
-	    {
-		throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			      "xref stream", xref_offset,
-			      "invalid /XRefStm");
-	    }
-	}
+    if (cur_trailer.hasKey("/XRefStm")) {
+        if (this->m->ignore_xref_streams) {
+            QTC::TC("qpdf", "QPDF ignoring XRefStm in trailer");
+        } else {
+            if (cur_trailer.getKey("/XRefStm").isInteger()) {
+                // Read the xref stream but disregard any return value
+                // -- we'll use our trailer's /Prev key instead of the
+                // xref stream's.
+                (void)read_xrefStream(
+                    cur_trailer.getKey("/XRefStm").getIntValue());
+            } else {
+                throw QPDFExc(
+                    qpdf_e_damaged_pdf,
+                    this->m->file->getName(),
+                    "xref stream",
+                    xref_offset,
+                    "invalid /XRefStm");
+            }
+        }
     }
 
     // Handle any deleted items now that we've read the /XRefStm.
-    for (std::vector<QPDFObjGen>::iterator iter = deleted_items.begin();
-	 iter != deleted_items.end(); ++iter)
-    {
-	QPDFObjGen& og = *iter;
-	insertXrefEntry(og.getObj(), 0, 0, og.getGen());
-    }
-
-    if (cur_trailer.hasKey("/Prev"))
-    {
-	if (! cur_trailer.getKey("/Prev").isInteger())
-	{
-	    QTC::TC("qpdf", "QPDF trailer prev not integer");
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "trailer", this->m->file->getLastOffset(),
-			  "/Prev key in trailer dictionary is not "
-			  "an integer");
-	}
-	QTC::TC("qpdf", "QPDF prev key in trailer dictionary");
-	xref_offset = cur_trailer.getKey("/Prev").getIntValue();
-    }
-    else
-    {
-	xref_offset = 0;
+    for (auto const& og: deleted_items) {
+        insertXrefEntry(og.getObj(), 0, 0, og.getGen());
+    }
+
+    if (cur_trailer.hasKey("/Prev")) {
+        if (!cur_trailer.getKey("/Prev").isInteger()) {
+            QTC::TC("qpdf", "QPDF trailer prev not integer");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "trailer",
+                this->m->file->getLastOffset(),
+                "/Prev key in trailer dictionary is not "
+                "an integer");
+        }
+        QTC::TC("qpdf", "QPDF prev key in trailer dictionary");
+        xref_offset = cur_trailer.getKey("/Prev").getIntValue();
+    } else {
+        xref_offset = 0;
     }
 
     return xref_offset;
@@ -946,36 +1060,30 @@
 QPDF::read_xrefStream(qpdf_offset_t xref_offset)
 {
     bool found = false;
-    if (! this->m->ignore_xref_streams)
-    {
-	int xobj;
-	int xgen;
-	QPDFObjectHandle xref_obj;
-	try
-	{
-	    xref_obj = readObjectAtOffset(
-		false, xref_offset, "xref stream", -1, 0, xobj, xgen);
-	}
-	catch (QPDFExc&)
-	{
-	    // ignore -- report error below
-	}
-	if (xref_obj.isInitialized() &&
-	    xref_obj.isStream() &&
-	    xref_obj.getDict().getKey("/Type").isName() &&
-	    xref_obj.getDict().getKey("/Type").getName() == "/XRef")
-	{
-	    QTC::TC("qpdf", "QPDF found xref stream");
-	    found = true;
-	    xref_offset = processXRefStream(xref_offset, xref_obj);
-	}
-    }
-
-    if (! found)
-    {
-	QTC::TC("qpdf", "QPDF can't find xref");
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "", xref_offset, "xref not found");
+    if (!this->m->ignore_xref_streams) {
+        QPDFObjGen x_og;
+        QPDFObjectHandle xref_obj;
+        try {
+            xref_obj = readObjectAtOffset(
+                false, xref_offset, "xref stream", QPDFObjGen(0, 0), x_og);
+        } catch (QPDFExc&) {
+            // ignore -- report error below
+        }
+        if (xref_obj.isStreamOfType("/XRef")) {
+            QTC::TC("qpdf", "QPDF found xref stream");
+            found = true;
+            xref_offset = processXRefStream(xref_offset, xref_obj);
+        }
+    }
+
+    if (!found) {
+        QTC::TC("qpdf", "QPDF can't find xref");
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "",
+            xref_offset,
+            "xref not found");
     }
 
     return xref_offset;
@@ -987,123 +1095,124 @@
     QPDFObjectHandle dict = xref_obj.getDict();
     QPDFObjectHandle W_obj = dict.getKey("/W");
     QPDFObjectHandle Index_obj = dict.getKey("/Index");
-    if (! (W_obj.isArray() &&
-	   (W_obj.getArrayNItems() >= 3) &&
-	   W_obj.getArrayItem(0).isInteger() &&
-	   W_obj.getArrayItem(1).isInteger() &&
-	   W_obj.getArrayItem(2).isInteger() &&
-	   dict.getKey("/Size").isInteger() &&
-	   (Index_obj.isArray() || Index_obj.isNull())))
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "xref stream", xref_offset,
-		      "Cross-reference stream does not have"
-		      " proper /W and /Index keys");
+    if (!(W_obj.isArray() && (W_obj.getArrayNItems() >= 3) &&
+          W_obj.getArrayItem(0).isInteger() &&
+          W_obj.getArrayItem(1).isInteger() &&
+          W_obj.getArrayItem(2).isInteger() &&
+          dict.getKey("/Size").isInteger() &&
+          (Index_obj.isArray() || Index_obj.isNull()))) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "xref stream",
+            xref_offset,
+            "Cross-reference stream does not have"
+            " proper /W and /Index keys");
     }
 
     int W3;
     size_t entry_size = 0;
     int max_bytes = sizeof(qpdf_offset_t);
-    for (int i = 0; i < 3; ++i)
-    {
-	Wi = W_obj.getArrayItem(i).getIntValue();
-        if (Wi > max_bytes)
-        {
-            throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                          "xref stream", xref_offset,
-                          "Cross-reference stream's /W contains"
-                          " impossibly large values");
+    for (int i = 0; i < 3; ++i) {
+        Wi = W_obj.getArrayItem(i).getIntValueAsInt();
+        if (Wi > max_bytes) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "xref stream",
+                xref_offset,
+                "Cross-reference stream's /W contains"
+                " impossibly large values");
         }
-	entry_size += Wi;
-    }
-    if (entry_size == 0)
-    {
-        throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                      "xref stream", xref_offset,
-                      "Cross-reference stream's /W indicates"
-                      " entry size of 0");
-    }
-    long long max_num_entries =
+        entry_size += toS(Wi);
+    }
+    if (entry_size == 0) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "xref stream",
+            xref_offset,
+            "Cross-reference stream's /W indicates"
+            " entry size of 0");
+    }
+    unsigned long long max_num_entries =
         static_cast<unsigned long long>(-1) / entry_size;
 
     std::vector<long long> indx;
-    if (Index_obj.isArray())
-    {
-	int n_index = Index_obj.getArrayNItems();
-	if ((n_index % 2) || (n_index < 2))
-	{
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "xref stream", xref_offset,
-			  "Cross-reference stream's /Index has an"
-			  " invalid number of values");
-	}
-	for (int i = 0; i < n_index; ++i)
-	{
-	    if (Index_obj.getArrayItem(i).isInteger())
-	    {
-		indx.push_back(Index_obj.getArrayItem(i).getIntValue());
-	    }
-	    else
-	    {
-		throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			      "xref stream", xref_offset,
-			      "Cross-reference stream's /Index's item " +
-			      QUtil::int_to_string(i) +
-			      " is not an integer");
-	    }
-	}
-	QTC::TC("qpdf", "QPDF xref /Index is array",
-		n_index == 2 ? 0 : 1);
-    }
-    else
-    {
-	QTC::TC("qpdf", "QPDF xref /Index is null");
-	long long size = dict.getKey("/Size").getIntValue();
-	indx.push_back(0);
-	indx.push_back(size);
-    }
-
-    long long num_entries = 0;
-    for (unsigned int i = 1; i < indx.size(); i += 2)
-    {
-        if (indx.at(i) > max_num_entries - num_entries)
-        {
-            throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                          "xref stream", xref_offset,
-                          "Cross-reference stream claims to contain"
-                          " too many entries: " +
-                          QUtil::int_to_string(indx.at(i)) + " " +
-                          QUtil::int_to_string(max_num_entries) + " " +
-                          QUtil::int_to_string(num_entries));
+    if (Index_obj.isArray()) {
+        int n_index = Index_obj.getArrayNItems();
+        if ((n_index % 2) || (n_index < 2)) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "xref stream",
+                xref_offset,
+                "Cross-reference stream's /Index has an"
+                " invalid number of values");
         }
-	num_entries += indx.at(i);
+        for (int i = 0; i < n_index; ++i) {
+            if (Index_obj.getArrayItem(i).isInteger()) {
+                indx.push_back(Index_obj.getArrayItem(i).getIntValue());
+            } else {
+                throw QPDFExc(
+                    qpdf_e_damaged_pdf,
+                    this->m->file->getName(),
+                    "xref stream",
+                    xref_offset,
+                    ("Cross-reference stream's /Index's item " +
+                     QUtil::int_to_string(i) + " is not an integer"));
+            }
+        }
+        QTC::TC("qpdf", "QPDF xref /Index is array", n_index == 2 ? 0 : 1);
+    } else {
+        QTC::TC("qpdf", "QPDF xref /Index is null");
+        long long size = dict.getKey("/Size").getIntValue();
+        indx.push_back(0);
+        indx.push_back(size);
+    }
+
+    size_t num_entries = 0;
+    for (size_t i = 1; i < indx.size(); i += 2) {
+        if (indx.at(i) > QIntC::to_longlong(max_num_entries - num_entries)) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "xref stream",
+                xref_offset,
+                ("Cross-reference stream claims to contain"
+                 " too many entries: " +
+                 QUtil::int_to_string(indx.at(i)) + " " +
+                 QUtil::uint_to_string(max_num_entries) + " " +
+                 QUtil::uint_to_string(num_entries)));
+        }
+        num_entries += toS(indx.at(i));
     }
 
     // entry_size and num_entries have both been validated to ensure
     // that this multiplication does not cause an overflow.
     size_t expected_size = entry_size * num_entries;
 
-    PointerHolder<Buffer> bp = xref_obj.getStreamData(qpdf_dl_specialized);
+    std::shared_ptr<Buffer> bp = xref_obj.getStreamData(qpdf_dl_specialized);
     size_t actual_size = bp->getSize();
 
-    if (expected_size != actual_size)
-    {
-	QPDFExc x(qpdf_e_damaged_pdf, this->m->file->getName(),
-		  "xref stream", xref_offset,
-		  "Cross-reference stream data has the wrong size;"
-		  " expected = " + QUtil::int_to_string(expected_size) +
-		  "; actual = " + QUtil::int_to_string(actual_size));
-	if (expected_size > actual_size)
-	{
-	    throw x;
-	}
-	else
-	{
-	    warn(x);
-	}
-    }
-
-    int cur_chunk = 0;
+    if (expected_size != actual_size) {
+        QPDFExc x(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "xref stream",
+            xref_offset,
+            ("Cross-reference stream data has the wrong size;"
+             " expected = " +
+             QUtil::uint_to_string(expected_size) +
+             "; actual = " + QUtil::uint_to_string(actual_size)));
+        if (expected_size > actual_size) {
+            throw x;
+        } else {
+            warn(x);
+        }
+    }
+
+    size_t cur_chunk = 0;
     int chunk_count = 0;
 
     bool saw_first_compressed_object = false;
@@ -1112,79 +1221,83 @@
     // not overflow any buffers here.  We know that entry_size *
     // num_entries is equal to the size of the buffer.
     unsigned char const* data = bp->getBuffer();
-    for (int i = 0; i < num_entries; ++i)
-    {
-	// Read this entry
-	unsigned char const* entry = data + (entry_size * i);
-	qpdf_offset_t fields3;
-	unsigned char const* p = entry;
-	for (int j = 0; j < 3; ++j)
-	{
-	    fieldsj = 0;
-	    if ((j == 0) && (W0 == 0))
-	    {
-		QTC::TC("qpdf", "QPDF default for xref stream field 0");
-		fields0 = 1;
-	    }
-	    for (int k = 0; k < Wj; ++k)
-	    {
-		fieldsj <<= 8;
-		fieldsj += static_cast<int>(*p++);
-	    }
-	}
-
-	// Get the object and generation number.  The object number is
-	// based on /Index.  The generation number is 0 unless this is
-	// an uncompressed object record, in which case the generation
-	// number appears as the third field.
-	int obj = indx.at(cur_chunk) + chunk_count;
-	++chunk_count;
-	if (chunk_count >= indx.at(cur_chunk + 1))
-	{
-	    cur_chunk += 2;
-	    chunk_count = 0;
-	}
-
-	if (saw_first_compressed_object)
-	{
-	    if (fields0 != 2)
-	    {
-		this->m->uncompressed_after_compressed = true;
-	    }
-	}
-	else if (fields0 == 2)
-	{
-	    saw_first_compressed_object = true;
-	}
-	if (obj == 0)
-	{
-	    // This is needed by checkLinearization()
-	    this->m->first_xref_item_offset = xref_offset;
-	}
-	insertXrefEntry(obj, static_cast<int>(fields0),
-                        fields1, static_cast<int>(fields2));
-    }
-
-    if (! this->m->trailer.isInitialized())
-    {
-	setTrailer(dict);
+    for (size_t i = 0; i < num_entries; ++i) {
+        // Read this entry
+        unsigned char const* entry = data + (entry_size * i);
+        qpdf_offset_t fields3;
+        unsigned char const* p = entry;
+        for (int j = 0; j < 3; ++j) {
+            fieldsj = 0;
+            if ((j == 0) && (W0 == 0)) {
+                QTC::TC("qpdf", "QPDF default for xref stream field 0");
+                fields0 = 1;
+            }
+            for (int k = 0; k < Wj; ++k) {
+                fieldsj <<= 8;
+                fieldsj += toI(*p++);
+            }
+        }
+
+        // Get the object and generation number.  The object number is
+        // based on /Index.  The generation number is 0 unless this is
+        // an uncompressed object record, in which case the generation
+        // number appears as the third field.
+        int obj = toI(indx.at(cur_chunk));
+        if ((obj < 0) ||
+            ((std::numeric_limits<int>::max() - obj) < chunk_count)) {
+            std::ostringstream msg;
+            msg.imbue(std::locale::classic());
+            msg << "adding " << chunk_count << " to " << obj
+                << " while computing index in xref stream would cause"
+                << " an integer overflow";
+            throw std::range_error(msg.str());
+        }
+        obj += chunk_count;
+        ++chunk_count;
+        if (chunk_count >= indx.at(cur_chunk + 1)) {
+            cur_chunk += 2;
+            chunk_count = 0;
+        }
+
+        if (saw_first_compressed_object) {
+            if (fields0 != 2) {
+                this->m->uncompressed_after_compressed = true;
+            }
+        } else if (fields0 == 2) {
+            saw_first_compressed_object = true;
+        }
+        if (obj == 0) {
+            // This is needed by checkLinearization()
+            this->m->first_xref_item_offset = xref_offset;
+        }
+        if (fields0 == 0) {
+            // Ignore fields2, which we don't care about in this
+            // case. This works around the issue of some PDF files
+            // that put invalid values, like -1, here for deleted
+            // objects.
+            fields2 = 0;
+        }
+        insertXrefEntry(obj, toI(fields0), fields1, toI(fields2));
     }
 
-    if (dict.hasKey("/Prev"))
-    {
-	if (! dict.getKey("/Prev").isInteger())
-	{
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "xref stream", this->m->file->getLastOffset(),
-			  "/Prev key in xref stream dictionary is not "
-			  "an integer");
-	}
-	QTC::TC("qpdf", "QPDF prev key in xref stream dictionary");
-	xref_offset = dict.getKey("/Prev").getIntValue();
-    }
-    else
-    {
-	xref_offset = 0;
+    if (!this->m->trailer.isInitialized()) {
+        setTrailer(dict);
+    }
+
+    if (dict.hasKey("/Prev")) {
+        if (!dict.getKey("/Prev").isInteger()) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "xref stream",
+                this->m->file->getLastOffset(),
+                "/Prev key in xref stream dictionary is not "
+                "an integer");
+        }
+        QTC::TC("qpdf", "QPDF prev key in xref stream dictionary");
+        xref_offset = dict.getKey("/Prev").getIntValue();
+    } else {
+        xref_offset = 0;
     }
 
     return xref_offset;
@@ -1205,91 +1318,81 @@
     // the table, it means that a later xref table has registered this
     // object.  Disregard this one.
     { // private scope
-	int gen = (f0 == 2 ? 0 : f2);
-	QPDFObjGen og(obj, gen);
-	if (this->m->xref_table.count(og))
-	{
-	    if (overwrite)
-	    {
-		QTC::TC("qpdf", "QPDF xref overwrite object");
-		this->m->xref_table.erase(og);
-	    }
-	    else
-	    {
-		QTC::TC("qpdf", "QPDF xref reused object");
-		return;
-	    }
-	}
-	if (this->m->deleted_objects.count(obj))
-	{
-	    QTC::TC("qpdf", "QPDF xref deleted object");
-	    return;
-	}
-    }
-
-    switch (f0)
-    {
-      case 0:
-	this->m->deleted_objects.insert(obj);
-	break;
-
-      case 1:
-	// f2 is generation
-	QTC::TC("qpdf", "QPDF xref gen > 0", ((f2 > 0) ? 1 : 0));
-	this->m->xref_tableQPDFObjGen(obj, f2) = QPDFXRefEntry(f0, f1, f2);
-	break;
-
-      case 2:
-	this->m->xref_tableQPDFObjGen(obj, 0) = QPDFXRefEntry(f0, f1, f2);
-	break;
+        int gen = (f0 == 2 ? 0 : f2);
+        QPDFObjGen og(obj, gen);
+        if (this->m->xref_table.count(og)) {
+            if (overwrite) {
+                QTC::TC("qpdf", "QPDF xref overwrite object");
+                this->m->xref_table.erase(og);
+            } else {
+                QTC::TC("qpdf", "QPDF xref reused object");
+                return;
+            }
+        }
+        if (this->m->deleted_objects.count(obj)) {
+            QTC::TC("qpdf", "QPDF xref deleted object");
+            return;
+        }
+    }
 
-      default:
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "xref stream", this->m->file->getLastOffset(),
-		      "unknown xref stream entry type " +
-		      QUtil::int_to_string(f0));
-	break;
+    switch (f0) {
+    case 0:
+        this->m->deleted_objects.insert(obj);
+        break;
+
+    case 1:
+        // f2 is generation
+        QTC::TC("qpdf", "QPDF xref gen > 0", ((f2 > 0) ? 1 : 0));
+        this->m->xref_tableQPDFObjGen(obj, f2) = QPDFXRefEntry(f0, f1, f2);
+        break;
+
+    case 2:
+        this->m->xref_tableQPDFObjGen(obj, 0) = QPDFXRefEntry(f0, f1, f2);
+        break;
+
+    default:
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "xref stream",
+            this->m->file->getLastOffset(),
+            "unknown xref stream entry type " + QUtil::int_to_string(f0));
+        break;
     }
 }
 
 void
 QPDF::showXRefTable()
 {
-    for (std::map<QPDFObjGen, QPDFXRefEntry>::iterator iter =
-	     this->m->xref_table.begin();
-	 iter != this->m->xref_table.end(); ++iter)
-    {
-	QPDFObjGen const& og = (*iter).first;
-	QPDFXRefEntry const& entry = (*iter).second;
-	*this->m->out_stream << og.getObj() << "/" << og.getGen() << ": ";
-	switch (entry.getType())
-	{
-	  case 1:
-	    *this->m->out_stream
-                << "uncompressed; offset = " << entry.getOffset();
-	    break;
-
-	  case 2:
-	    *this->m->out_stream
-                << "compressed; stream = "
-                << entry.getObjStreamNumber()
+    auto& cout = *this->m->log->getInfo();
+    for (auto const& iter: this->m->xref_table) {
+        QPDFObjGen const& og = iter.first;
+        QPDFXRefEntry const& entry = iter.second;
+        cout << og.unparse('/') << ": ";
+        switch (entry.getType()) {
+        case 1:
+            cout << "uncompressed; offset = " << entry.getOffset();
+            break;
+
+        case 2:
+            *this->m->log->getInfo()
+                << "compressed; stream = " << entry.getObjStreamNumber()
                 << ", index = " << entry.getObjStreamIndex();
-	    break;
+            break;
 
-	  default:
-	    throw std::logic_error("unknown cross-reference table type while"
-				   " showing xref_table");
-	    break;
-	}
-	*this->m->out_stream << std::endl;
+        default:
+            throw std::logic_error("unknown cross-reference table type while"
+                                   " showing xref_table");
+            break;
+        }
+        this->m->log->info("\n");
     }
 }
 
 void
 QPDF::fixDanglingReferences(bool force)
 {
-    if (this->m->fixed_dangling_refs && (! force))
-    {
+    if (this->m->fixed_dangling_refs && (!force)) {
         return;
     }
     this->m->fixed_dangling_refs = true;
@@ -1297,33 +1400,21 @@
     // Create a set of all known indirect objects including those
     // we've previously resolved and those that we have created.
     std::set<QPDFObjGen> to_process;
-    for (std::map<QPDFObjGen, ObjCache>::iterator iter =
-	     this->m->obj_cache.begin();
-	 iter != this->m->obj_cache.end(); ++iter)
-    {
-	to_process.insert((*iter).first);
+    for (auto const& iter: this->m->obj_cache) {
+        to_process.insert(iter.first);
     }
-    for (std::map<QPDFObjGen, QPDFXRefEntry>::iterator iter =
-	     this->m->xref_table.begin();
-	 iter != this->m->xref_table.end(); ++iter)
-    {
-	to_process.insert((*iter).first);
+    for (auto const& iter: this->m->xref_table) {
+        to_process.insert(iter.first);
     }
 
     // For each non-scalar item to process, put it in the queue.
     std::list<QPDFObjectHandle> queue;
     queue.push_back(this->m->trailer);
-    for (std::set<QPDFObjGen>::iterator iter = to_process.begin();
-         iter != to_process.end(); ++iter)
-    {
-        QPDFObjectHandle obj = QPDFObjectHandle::Factory::newIndirect(
-            this, (*iter).getObj(), (*iter).getGen());
-        if (obj.isDictionary() || obj.isArray())
-        {
+    for (auto const& og: to_process) {
+        auto obj = getObject(og);
+        if (obj.isDictionary() || obj.isArray()) {
             queue.push_back(obj);
-        }
-        else if (obj.isStream())
-        {
+        } else if (obj.isStream()) {
             queue.push_back(obj.getDict());
         }
     }
@@ -1331,54 +1422,31 @@
     // Process the queue by recursively resolving all object
     // references. We don't need to do loop detection because we don't
     // traverse known indirect objects when processing the queue.
-    while (! queue.empty())
-    {
+    while (!queue.empty()) {
         QPDFObjectHandle obj = queue.front();
         queue.pop_front();
         std::list<QPDFObjectHandle> to_check;
-        if (obj.isDictionary())
-        {
+        if (obj.isDictionary()) {
             std::map<std::string, QPDFObjectHandle> members =
                 obj.getDictAsMap();
-            for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-                     members.begin();
-                 iter != members.end(); ++iter)
-            {
-                to_check.push_back((*iter).second);
+            for (auto const& iter: members) {
+                to_check.push_back(iter.second);
             }
+        } else if (obj.isArray()) {
+            auto arr = QPDFObjectHandle::ObjAccessor::asArray(obj);
+            arr->addExplicitElementsToList(to_check);
         }
-        else if (obj.isArray())
-        {
-            std::vector<QPDFObjectHandle> elements = obj.getArrayAsVector();
-            for (std::vector<QPDFObjectHandle>::iterator iter =
-                     elements.begin();
-                 iter != elements.end(); ++iter)
-            {
-                to_check.push_back(*iter);
-            }
-        }
-        for (std::list<QPDFObjectHandle>::iterator iter = to_check.begin();
-             iter != to_check.end(); ++iter)
-        {
-            QPDFObjectHandle sub = *iter;
-            if (sub.isIndirect())
-            {
-                if (sub.getOwningQPDF() == this)
-                {
-                    QPDFObjGen og(sub.getObjGen());
-                    if (this->m->obj_cache.count(og) == 0)
-                    {
-                        QTC::TC("qpdf", "QPDF detected dangling ref");
-                        queue.push_back(sub);
-                    }
+        for (auto sub: to_check) {
+            if (sub.isIndirect()) {
+                if ((sub.getOwningQPDF() == this) &&
+                    isUnresolved(sub.getObjGen())) {
+                    QTC::TC("qpdf", "QPDF detected dangling ref");
+                    queue.push_back(sub);
                 }
-            }
-            else
-            {
+            } else {
                 queue.push_back(sub);
             }
         }
-
     }
 }
 
@@ -1390,12 +1458,11 @@
     // fixDanglingReferences is called, all objects in the xref table
     // will also be in obj_cache.
     fixDanglingReferences();
-    QPDFObjGen og(0, 0);
-    if (! this->m->obj_cache.empty())
-    {
-	og = (*(this->m->obj_cache.rbegin())).first;
+    QPDFObjGen og;
+    if (!this->m->obj_cache.empty()) {
+        og = (*(this->m->obj_cache.rbegin())).first;
     }
-    return og.getObj();
+    return toS(og.getObj());
 }
 
 std::vector<QPDFObjectHandle>
@@ -1405,75 +1472,67 @@
     // object cache.
     fixDanglingReferences(true);
     std::vector<QPDFObjectHandle> result;
-    for (std::map<QPDFObjGen, ObjCache>::iterator iter =
-	     this->m->obj_cache.begin();
-	 iter != this->m->obj_cache.end(); ++iter)
-    {
-
-	QPDFObjGen const& og = (*iter).first;
-        result.push_back(QPDFObjectHandle::Factory::newIndirect(
-                             this, og.getObj(), og.getGen()));
+    for (auto const& iter: this->m->obj_cache) {
+        result.push_back(newIndirect(iter.first, iter.second.object));
     }
     return result;
 }
 
 void
-QPDF::setLastObjectDescription(std::string const& description,
-			       int objid, int generation)
+QPDF::setLastObjectDescription(
+    std::string const& description, QPDFObjGen const& og)
 {
     this->m->last_object_description.clear();
-    if (! description.empty())
-    {
-	this->m->last_object_description += description;
-	if (objid > 0)
-	{
-	    this->m->last_object_description += ": ";
-	}
+    if (!description.empty()) {
+        this->m->last_object_description += description;
+        if (og.isIndirect()) {
+            this->m->last_object_description += ": ";
+        }
     }
-    if (objid > 0)
-    {
-	this->m->last_object_description += "object " +
-	    QUtil::int_to_string(objid) + " " +
-	    QUtil::int_to_string(generation);
+    if (og.isIndirect()) {
+        this->m->last_object_description += "object " + og.unparse(' ');
     }
 }
 
 QPDFObjectHandle
-QPDF::readObject(PointerHolder<InputSource> input,
-		 std::string const& description,
-		 int objid, int generation, bool in_object_stream)
+QPDF::readObject(
+    std::shared_ptr<InputSource> input,
+    std::string const& description,
+    QPDFObjGen const& og,
+    bool in_object_stream)
 {
-    setLastObjectDescription(description, objid, generation);
+    setLastObjectDescription(description, og);
     qpdf_offset_t offset = input->tell();
 
     bool empty = false;
-    PointerHolder<StringDecrypter> decrypter_ph;
-    StringDecrypter* decrypter = 0;
-    if (this->m->encp->encrypted && (! in_object_stream))
-    {
-        decrypter_ph = new StringDecrypter(this, objid, generation);
-        decrypter = decrypter_ph.getPointer();
+    std::shared_ptr<StringDecrypter> decrypter_ph;
+    StringDecrypter* decrypter = nullptr;
+    if (this->m->encp->encrypted && (!in_object_stream)) {
+        decrypter_ph = std::make_shared<StringDecrypter>(this, og);
+        decrypter = decrypter_ph.get();
     }
     QPDFObjectHandle object = QPDFObjectHandle::parse(
-        input, this->m->last_object_description,
-        this->m->tokenizer, empty, decrypter, this);
-    if (empty)
-    {
+        input,
+        this->m->last_object_description,
+        this->m->tokenizer,
+        empty,
+        decrypter,
+        this);
+    if (empty) {
         // Nothing in the PDF spec appears to allow empty objects, but
         // they have been encountered in actual PDF files and Adobe
         // Reader appears to ignore them.
-        warn(QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                     this->m->last_object_description,
-                     input->getLastOffset(),
-                     "empty object treated as null"));
-    }
-    else if (object.isDictionary() && (! in_object_stream))
-    {
+        warn(QPDFExc(
+            qpdf_e_damaged_pdf,
+            input->getName(),
+            this->m->last_object_description,
+            input->getLastOffset(),
+            "empty object treated as null"));
+    } else if (object.isDictionary() && (!in_object_stream)) {
         // check for stream
         qpdf_offset_t cur_offset = input->tell();
         if (readToken(input) ==
-            QPDFTokenizer::Token(QPDFTokenizer::tt_word, "stream"))
-        {
+            QPDFTokenizer::Token(QPDFTokenizer::tt_word, "stream")) {
             // The PDF specification states that the word "stream"
             // should be followed by either a carriage return and
             // a newline or by a newline alone.  It specifically
@@ -1483,32 +1542,27 @@
             // stream data.  However, some readers, including
             // Adobe reader, accept a carriage return by itself
             // when followed by a non-newline character, so that's
-            // what we do here.
-            {
+            // what we do here. We have also seen files that have
+            // extraneous whitespace between the stream keyword and
+            // the newline.
+            bool done = false;
+            while (!done) {
+                done = true;
                 char ch;
-                if (input->read(&ch, 1) == 0)
-                {
+                if (input->read(&ch, 1) == 0) {
                     // A premature EOF here will result in some
                     // other problem that will get reported at
                     // another time.
-                }
-                else if (ch == '\n')
-                {
+                } else if (ch == '\n') {
                     // ready to read stream data
                     QTC::TC("qpdf", "QPDF stream with NL only");
-                }
-                else if (ch == '\r')
-                {
+                } else if (ch == '\r') {
                     // Read another character
-                    if (input->read(&ch, 1) != 0)
-                    {
-                        if (ch == '\n')
-                        {
+                    if (input->read(&ch, 1) != 0) {
+                        if (ch == '\n') {
                             // Ready to read stream data
                             QTC::TC("qpdf", "QPDF stream with CRNL");
-                        }
-                        else
-                        {
+                        } else {
                             // Treat the \r by itself as the
                             // whitespace after endstream and
                             // start reading stream data in spite
@@ -1516,28 +1570,33 @@
                             QTC::TC("qpdf", "QPDF stream with CR only");
                             input->unreadCh(ch);
                             warn(QPDFExc(
-                                     qpdf_e_damaged_pdf,
-                                     input->getName(),
-                                     this->m->last_object_description,
-                                     input->tell(),
-                                     "stream keyword followed"
-                                     " by carriage return only"));
+                                qpdf_e_damaged_pdf,
+                                input->getName(),
+                                this->m->last_object_description,
+                                input->tell(),
+                                "stream keyword followed"
+                                " by carriage return only"));
                         }
                     }
-                }
-                else
-                {
+                } else if (QUtil::is_space(ch)) {
+                    warn(QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        input->getName(),
+                        this->m->last_object_description,
+                        input->tell(),
+                        "stream keyword followed by"
+                        " extraneous whitespace"));
+                    done = false;
+                } else {
                     QTC::TC("qpdf", "QPDF stream without newline");
-                    if (! QUtil::is_space(ch))
-                    {
-                        QTC::TC("qpdf", "QPDF stream with non-space");
-                        input->unreadCh(ch);
-                    }
-                    warn(QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                                 this->m->last_object_description,
-                                 input->tell(),
-                                 "stream keyword not followed"
-                                 " by proper line terminator"));
+                    input->unreadCh(ch);
+                    warn(QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        input->getName(),
+                        this->m->last_object_description,
+                        input->tell(),
+                        "stream keyword not followed"
+                        " by proper line terminator"));
                 }
             }
 
@@ -1547,60 +1606,58 @@
             qpdf_offset_t stream_offset = input->tell();
             size_t length = 0;
 
-            try
-            {
+            try {
                 std::map<std::string, QPDFObjectHandle> dict =
                     object.getDictAsMap();
 
-                if (dict.count("/Length") == 0)
-                {
+                if (dict.count("/Length") == 0) {
                     QTC::TC("qpdf", "QPDF stream without length");
-                    throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                                  this->m->last_object_description, offset,
-                                  "stream dictionary lacks /Length key");
+                    throw QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        input->getName(),
+                        this->m->last_object_description,
+                        offset,
+                        "stream dictionary lacks /Length key");
                 }
 
                 QPDFObjectHandle length_obj = dict"/Length";
-                if (! length_obj.isInteger())
-                {
+                if (!length_obj.isInteger()) {
                     QTC::TC("qpdf", "QPDF stream length not integer");
-                    throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                                  this->m->last_object_description, offset,
-                                  "/Length key in stream dictionary is not "
-                                  "an integer");
+                    throw QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        input->getName(),
+                        this->m->last_object_description,
+                        offset,
+                        "/Length key in stream dictionary is not "
+                        "an integer");
                 }
 
-                length = length_obj.getIntValue();
-                input->seek(stream_offset + length, SEEK_SET);
-                if (! (readToken(input) ==
-                       QPDFTokenizer::Token(
-                           QPDFTokenizer::tt_word, "endstream")))
-                {
+                length = toS(length_obj.getUIntValue());
+                // Seek in two steps to avoid potential integer overflow
+                input->seek(stream_offset, SEEK_SET);
+                input->seek(toO(length), SEEK_CUR);
+                if (!(readToken(input) ==
+                      QPDFTokenizer::Token(
+                          QPDFTokenizer::tt_word, "endstream"))) {
                     QTC::TC("qpdf", "QPDF missing endstream");
-                    throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                                  this->m->last_object_description,
-                                  input->getLastOffset(),
-                                  "expected endstream");
+                    throw QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        input->getName(),
+                        this->m->last_object_description,
+                        input->getLastOffset(),
+                        "expected endstream");
                 }
-            }
-            catch (QPDFExc& e)
-            {
-                if (this->m->attempt_recovery)
-                {
+            } catch (QPDFExc& e) {
+                if (this->m->attempt_recovery) {
                     warn(e);
-                    length = recoverStreamLength(
-                        input, objid, generation, stream_offset);
-                }
-                else
-                {
+                    length = recoverStreamLength(input, og, stream_offset);
+                } else {
                     throw e;
                 }
             }
             object = QPDFObjectHandle::Factory::newStream(
-                this, objid, generation, object, stream_offset, length);
-        }
-        else
-        {
+                this, og, object, stream_offset, length);
+        } else {
             input->seek(cur_offset, SEEK_SET);
         }
     }
@@ -1617,9 +1674,7 @@
     // Find endstream or endobj. Position the input at that token.
     QPDFTokenizer::Token t = readToken(this->m->file, 20);
     if ((t.getType() == QPDFTokenizer::tt_word) &&
-        ((t.getValue() == "endobj") ||
-         (t.getValue() == "endstream")))
-    {
+        ((t.getValue() == "endobj") || (t.getValue() == "endstream"))) {
         this->m->file->seek(this->m->file->getLastOffset(), SEEK_SET);
         return true;
     }
@@ -1627,80 +1682,72 @@
 }
 
 size_t
-QPDF::recoverStreamLength(PointerHolder<InputSource> input,
-			  int objid, int generation,
-                          qpdf_offset_t stream_offset)
+QPDF::recoverStreamLength(
+    std::shared_ptr<InputSource> input,
+    QPDFObjGen const& og,
+    qpdf_offset_t stream_offset)
 {
     // Try to reconstruct stream length by looking for
     // endstream or endobj
-    warn(QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-		 this->m->last_object_description, stream_offset,
-		 "attempting to recover stream length"));
+    warn(QPDFExc(
+        qpdf_e_damaged_pdf,
+        input->getName(),
+        this->m->last_object_description,
+        stream_offset,
+        "attempting to recover stream length"));
 
     PatternFinder ef(*this, &QPDF::findEndstream);
     size_t length = 0;
-    if (this->m->file->findFirst("end", stream_offset, 0, ef))
-    {
-        length = this->m->file->tell() - stream_offset;
+    if (this->m->file->findFirst("end", stream_offset, 0, ef)) {
+        length = toS(this->m->file->tell() - stream_offset);
         // Reread endstream but, if it was endobj, don't skip that.
         QPDFTokenizer::Token t = readToken(this->m->file);
-        if (t.getValue() == "endobj")
-        {
+        if (t.getValue() == "endobj") {
             this->m->file->seek(this->m->file->getLastOffset(), SEEK_SET);
         }
     }
 
-    if (length)
-    {
-	int this_obj_offset = 0;
-	QPDFObjGen this_obj(0, 0);
-
-	// Make sure this is inside this object
-	for (std::map<QPDFObjGen, QPDFXRefEntry>::iterator iter =
-		 this->m->xref_table.begin();
-	     iter != this->m->xref_table.end(); ++iter)
-	{
-	    QPDFObjGen const& og = (*iter).first;
-	    QPDFXRefEntry const& entry = (*iter).second;
-	    if (entry.getType() == 1)
-	    {
-		qpdf_offset_t obj_offset = entry.getOffset();
-		if ((obj_offset > stream_offset) &&
-		    ((this_obj_offset == 0) ||
-		     (this_obj_offset > obj_offset)))
-		{
-		    this_obj_offset = obj_offset;
-		    this_obj = og;
-		}
-	    }
-	}
-	if (this_obj_offset &&
-	    (this_obj.getObj() == objid) &&
-	    (this_obj.getGen() == generation))
-	{
-	    // Well, we found endstream\nendobj within the space
-	    // allowed for this object, so we're probably in good
-	    // shape.
-	}
-	else
-	{
-	    QTC::TC("qpdf", "QPDF found wrong endstream in recovery");
-	}
-    }
-
-    if (length == 0)
-    {
-        warn(QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                     this->m->last_object_description, stream_offset,
-                     "unable to recover stream data;"
-                     " treating stream as empty"));
+    if (length) {
+        qpdf_offset_t this_obj_offset = 0;
+        QPDFObjGen this_og;
+
+        // Make sure this is inside this object
+        for (auto const& iter: this->m->xref_table) {
+            QPDFXRefEntry const& entry = iter.second;
+            if (entry.getType() == 1) {
+                qpdf_offset_t obj_offset = entry.getOffset();
+                if ((obj_offset > stream_offset) &&
+                    ((this_obj_offset == 0) ||
+                     (this_obj_offset > obj_offset))) {
+                    this_obj_offset = obj_offset;
+                    this_og = iter.first;
+                }
+            }
+        }
+        if (this_obj_offset && (this_og == og)) {
+            // Well, we found endstream\nendobj within the space
+            // allowed for this object, so we're probably in good
+            // shape.
+        } else {
+            QTC::TC("qpdf", "QPDF found wrong endstream in recovery");
+        }
     }
-    else
-    {
-        warn(QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                     this->m->last_object_description, stream_offset,
-                     "recovered stream length: " +
-                     QUtil::int_to_string(length)));
+
+    if (length == 0) {
+        warn(QPDFExc(
+            qpdf_e_damaged_pdf,
+            input->getName(),
+            this->m->last_object_description,
+            stream_offset,
+            "unable to recover stream data;"
+            " treating stream as empty"));
+    } else {
+        warn(QPDFExc(
+            qpdf_e_damaged_pdf,
+            input->getName(),
+            this->m->last_object_description,
+            stream_offset,
+            "recovered stream length: " + QUtil::uint_to_string(length)));
     }
 
     QTC::TC("qpdf", "QPDF recovered stream length");
@@ -1708,35 +1755,51 @@
 }
 
 QPDFTokenizer::Token
-QPDF::readToken(PointerHolder<InputSource> input, size_t max_len)
+QPDF::readToken(std::shared_ptr<InputSource> input, size_t max_len)
 {
     return this->m->tokenizer.readToken(
         input, this->m->last_object_description, true, max_len);
 }
 
 QPDFObjectHandle
-QPDF::readObjectAtOffset(bool try_recovery,
-			 qpdf_offset_t offset, std::string const& description,
-			 int exp_objid, int exp_generation,
-			 int& objid, int& generation)
-{
-    if (! this->m->attempt_recovery)
-    {
+QPDF::readObjectAtOffset(
+    bool try_recovery,
+    qpdf_offset_t offset,
+    std::string const& description,
+    QPDFObjGen const& exp_og,
+    QPDFObjGen& og)
+{
+    bool check_og = true;
+    if (exp_og.getObj() == 0) {
+        // This method uses an expect object ID of 0 to indicate that
+        // we don't know or don't care what the actual object ID is at
+        // this offset. This is true when we read the xref stream and
+        // linearization hint streams. In this case, we don't verify
+        // the expect object ID/generation against what was read from
+        // the file. There is also no reason to attempt xref recovery
+        // if we get a failure in this case since the read attempt was
+        // not triggered by an xref lookup.
+        check_og = false;
+        try_recovery = false;
+    }
+    setLastObjectDescription(description, exp_og);
+
+    if (!this->m->attempt_recovery) {
         try_recovery = false;
     }
-    setLastObjectDescription(description, exp_objid, exp_generation);
 
     // Special case: if offset is 0, just return null.  Some PDF
     // writers, in particular "Mac OS X 10.7.5 Quartz PDFContext", may
     // store deleted objects in the xref table as "0000000000 00000
     // n", which is not correct, but it won't hurt anything for to
     // ignore these.
-    if (offset == 0)
-    {
+    if (offset == 0) {
         QTC::TC("qpdf", "QPDF bogus 0 offset", 0);
-	warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		     this->m->last_object_description, 0,
-		     "object has offset 0"));
+        warn(
+            qpdf_e_damaged_pdf,
+            this->m->last_object_description,
+            0,
+            "object has offset 0");
         return QPDFObjectHandle::newNull();
     }
 
@@ -1754,245 +1817,217 @@
     QTC::TC("qpdf", "QPDF check generation", genok ? 1 : 0);
     QTC::TC("qpdf", "QPDF check obj", objok ? 1 : 0);
 
-    try
-    {
-	if (! (objidok && genok && objok))
-	{
-	    QTC::TC("qpdf", "QPDF expected n n obj");
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  this->m->last_object_description, offset,
-			  "expected n n obj");
-	}
-	objid = QUtil::string_to_int(tobjid.getValue().c_str());
-	generation = QUtil::string_to_int(tgen.getValue().c_str());
-
-        if (objid == 0)
-        {
+    try {
+        if (!(objidok && genok && objok)) {
+            QTC::TC("qpdf", "QPDF expected n n obj");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                this->m->last_object_description,
+                offset,
+                "expected n n obj");
+        }
+        int objid = QUtil::string_to_int(tobjid.getValue().c_str());
+        int generation = QUtil::string_to_int(tgen.getValue().c_str());
+        og = QPDFObjGen(objid, generation);
+        if (objid == 0) {
             QTC::TC("qpdf", "QPDF object id 0");
-            throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                          this->m->last_object_description, offset,
-                          "object with ID 0");
-        }
-
-	if ((exp_objid >= 0) &&
-	    (! ((objid == exp_objid) && (generation == exp_generation))))
-	{
-	    QTC::TC("qpdf", "QPDF err wrong objid/generation");
-	    QPDFExc e(qpdf_e_damaged_pdf, this->m->file->getName(),
-                      this->m->last_object_description, offset,
-                      std::string("expected ") +
-                      QUtil::int_to_string(exp_objid) + " " +
-                      QUtil::int_to_string(exp_generation) + " obj");
-            if (try_recovery)
-            {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                this->m->last_object_description,
+                offset,
+                "object with ID 0");
+        }
+        if (check_og && (exp_og != og)) {
+            QTC::TC("qpdf", "QPDF err wrong objid/generation");
+            QPDFExc e(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                this->m->last_object_description,
+                offset,
+                (std::string("expected ") + exp_og.unparse(' ') + " obj"));
+            if (try_recovery) {
                 // Will be retried below
                 throw e;
-            }
-            else
-            {
+            } else {
                 // We can try reading the object anyway even if the ID
                 // doesn't match.
                 warn(e);
             }
-	}
-    }
-    catch (QPDFExc& e)
-    {
-	if ((exp_objid >= 0) && try_recovery)
-	{
-	    // Try again after reconstructing xref table
-	    reconstruct_xref(e);
-	    QPDFObjGen og(exp_objid, exp_generation);
-	    if (this->m->xref_table.count(og) &&
-		(this->m->xref_tableog.getType() == 1))
-	    {
-		qpdf_offset_t new_offset = this->m->xref_tableog.getOffset();
-		QPDFObjectHandle result = readObjectAtOffset(
-		    false, new_offset, description,
-		    exp_objid, exp_generation, objid, generation);
-		QTC::TC("qpdf", "QPDF recovered in readObjectAtOffset");
-		return result;
-	    }
-	    else
-	    {
-		QTC::TC("qpdf", "QPDF object gone after xref reconstruction");
-		warn(QPDFExc(
-			 qpdf_e_damaged_pdf, this->m->file->getName(),
-			 "", 0,
-			 std::string(
-			     "object " +
-			     QUtil::int_to_string(exp_objid) +
-			     " " +
-			     QUtil::int_to_string(exp_generation) +
-			     " not found in file after regenerating"
-			     " cross reference table")));
-		return QPDFObjectHandle::newNull();
-	    }
-	}
-	else
-	{
-	    throw e;
-	}
-    }
-
-    QPDFObjectHandle oh = readObject(
-	this->m->file, description, objid, generation, false);
-
-    if (! (readToken(this->m->file) ==
-	   QPDFTokenizer::Token(QPDFTokenizer::tt_word, "endobj")))
-    {
-	QTC::TC("qpdf", "QPDF err expected endobj");
-	warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		     this->m->last_object_description,
-                     this->m->file->getLastOffset(),
-		     "expected endobj"));
+        }
+    } catch (QPDFExc& e) {
+        if (try_recovery) {
+            // Try again after reconstructing xref table
+            reconstruct_xref(e);
+            if (this->m->xref_table.count(exp_og) &&
+                (this->m->xref_tableexp_og.getType() == 1)) {
+                qpdf_offset_t new_offset =
+                    this->m->xref_tableexp_og.getOffset();
+                QPDFObjectHandle result = readObjectAtOffset(
+                    false, new_offset, description, exp_og, og);
+                QTC::TC("qpdf", "QPDF recovered in readObjectAtOffset");
+                return result;
+            } else {
+                QTC::TC("qpdf", "QPDF object gone after xref reconstruction");
+                warn(
+                    qpdf_e_damaged_pdf,
+                    "",
+                    0,
+                    std::string(
+                        "object " + exp_og.unparse(' ') +
+                        " not found in file after regenerating"
+                        " cross reference table"));
+                return QPDFObjectHandle::newNull();
+            }
+        } else {
+            throw e;
+        }
     }
 
-    QPDFObjGen og(objid, generation);
-    if (! this->m->obj_cache.count(og))
-    {
-	// Store the object in the cache here so it gets cached
-	// whether we first know the offset or whether we first know
-	// the object ID and generation (in which we case we would get
-	// here through resolve).
-
-	// Determine the end offset of this object before and after
-	// white space.  We use these numbers to validate
-	// linearization hint tables.  Offsets and lengths of objects
-	// may imply the end of an object to be anywhere between these
-	// values.
-	qpdf_offset_t end_before_space = this->m->file->tell();
-
-	// skip over spaces
-	while (true)
-	{
-	    char ch;
-	    if (this->m->file->read(&ch, 1))
-	    {
-		if (! isspace(static_cast<unsigned char>(ch)))
-		{
-		    this->m->file->seek(-1, SEEK_CUR);
-		    break;
-		}
-	    }
-	    else
-	    {
-		throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			      this->m->last_object_description,
-                              this->m->file->tell(),
-			      "EOF after endobj");
-	    }
-	}
-	qpdf_offset_t end_after_space = this->m->file->tell();
-
-	this->m->obj_cacheog =
-	    ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh),
-		     end_before_space, end_after_space);
+    QPDFObjectHandle oh = readObject(this->m->file, description, og, false);
+
+    if (!(readToken(this->m->file) ==
+          QPDFTokenizer::Token(QPDFTokenizer::tt_word, "endobj"))) {
+        QTC::TC("qpdf", "QPDF err expected endobj");
+        warn(
+            qpdf_e_damaged_pdf,
+            this->m->last_object_description,
+            this->m->file->getLastOffset(),
+            "expected endobj");
+    }
+
+    if (isUnresolved(og)) {
+        // Store the object in the cache here so it gets cached
+        // whether we first know the offset or whether we first know
+        // the object ID and generation (in which we case we would get
+        // here through resolve).
+
+        // Determine the end offset of this object before and after
+        // white space.  We use these numbers to validate
+        // linearization hint tables.  Offsets and lengths of objects
+        // may imply the end of an object to be anywhere between these
+        // values.
+        qpdf_offset_t end_before_space = this->m->file->tell();
+
+        // skip over spaces
+        while (true) {
+            char ch;
+            if (this->m->file->read(&ch, 1)) {
+                if (!isspace(static_cast<unsigned char>(ch))) {
+                    this->m->file->seek(-1, SEEK_CUR);
+                    break;
+                }
+            } else {
+                throw QPDFExc(
+                    qpdf_e_damaged_pdf,
+                    this->m->file->getName(),
+                    this->m->last_object_description,
+                    this->m->file->tell(),
+                    "EOF after endobj");
+            }
+        }
+        qpdf_offset_t end_after_space = this->m->file->tell();
+        updateCache(
+            og,
+            QPDFObjectHandle::ObjAccessor::getObject(oh),
+            end_before_space,
+            end_after_space);
     }
 
     return oh;
 }
 
-PointerHolder<QPDFObject>
-QPDF::resolve(int objid, int generation)
+void
+QPDF::resolve(QPDFObjGen const& og)
 {
-    // Check object cache before checking xref table.  This allows us
-    // to insert things into the object cache that don't actually
-    // exist in the file.
-    QPDFObjGen og(objid, generation);
-    if (this->m->resolving.count(og))
-    {
+    if (!isUnresolved(og)) {
+        return;
+    }
+
+    if (this->m->resolving.count(og)) {
         // This can happen if an object references itself directly or
         // indirectly in some key that has to be resolved during
         // object parsing, such as stream length.
-	QTC::TC("qpdf", "QPDF recursion loop in resolve");
-	warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		     "", this->m->file->getLastOffset(),
-		     "loop detected resolving object " +
-		     QUtil::int_to_string(objid) + " " +
-		     QUtil::int_to_string(generation)));
-        return new QPDF_Null;
+        QTC::TC("qpdf", "QPDF recursion loop in resolve");
+        warn(
+            qpdf_e_damaged_pdf,
+            "",
+            this->m->file->getLastOffset(),
+            ("loop detected resolving object " + og.unparse(' ')));
+        updateCache(og, QPDF_Null::create(), -1, -1);
+        return;
     }
     ResolveRecorder rr(this, og);
 
-    if ((! this->m->obj_cache.count(og)) && this->m->xref_table.count(og))
-    {
-	QPDFXRefEntry const& entry = this->m->xref_tableog;
-        try
-        {
-            switch (entry.getType())
-            {
-              case 1:
+    if (m->xref_table.count(og) != 0) {
+        QPDFXRefEntry const& entry = this->m->xref_tableog;
+        try {
+            switch (entry.getType()) {
+            case 1:
                 {
                     qpdf_offset_t offset = entry.getOffset();
                     // Object stored in cache by readObjectAtOffset
-                    int aobjid;
-                    int ageneration;
+                    QPDFObjGen a_og;
                     QPDFObjectHandle oh =
-                        readObjectAtOffset(true, offset, "", objid, generation,
-                                           aobjid, ageneration);
+                        readObjectAtOffset(true, offset, "", og, a_og);
                 }
                 break;
 
-              case 2:
+            case 2:
                 resolveObjectsInStream(entry.getObjStreamNumber());
                 break;
 
-              default:
-                throw QPDFExc(qpdf_e_damaged_pdf,
-                              this->m->file->getName(), "", 0,
-                              "object " +
-                              QUtil::int_to_string(objid) + "/" +
-                              QUtil::int_to_string(generation) +
-                              " has unexpected xref entry type");
+            default:
+                throw QPDFExc(
+                    qpdf_e_damaged_pdf,
+                    this->m->file->getName(),
+                    "",
+                    0,
+                    ("object " + og.unparse('/') +
+                     " has unexpected xref entry type"));
             }
-        }
-        catch (QPDFExc& e)
-        {
+        } catch (QPDFExc& e) {
             warn(e);
-        }
-        catch (std::exception& e)
-        {
-            warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(), "", 0,
-                         "object " +
-                         QUtil::int_to_string(objid) + "/" +
-                         QUtil::int_to_string(generation) +
-                         ": error reading object: " + e.what()));
+        } catch (std::exception& e) {
+            warn(
+                qpdf_e_damaged_pdf,
+                "",
+                0,
+                ("object " + og.unparse('/') +
+                 ": error reading object: " + e.what()));
         }
     }
-    if (this->m->obj_cache.count(og) == 0)
-    {
+
+    if (isUnresolved(og)) {
         // PDF spec says unknown objects resolve to the null object.
         QTC::TC("qpdf", "QPDF resolve failure to null");
-        QPDFObjectHandle oh = QPDFObjectHandle::newNull();
-        this->m->obj_cacheog =
-            ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);
+        updateCache(og, QPDF_Null::create(), -1, -1);
     }
 
-    PointerHolder<QPDFObject> result(this->m->obj_cacheog.object);
-    if (! result->hasDescription())
-    {
-        result->setDescription(
-            this,
-            "object " + QUtil::int_to_string(objid) + " " +
-            QUtil::int_to_string(generation));
+    auto result(this->m->obj_cacheog.object);
+    if (!result->hasDescription()) {
+        result->setDescription(this, ("object " + og.unparse(' ')));
     }
-    return result;
 }
 
 void
 QPDF::resolveObjectsInStream(int obj_stream_number)
 {
+    if (this->m->resolved_object_streams.count(obj_stream_number)) {
+        return;
+    }
+    this->m->resolved_object_streams.insert(obj_stream_number);
     // Force resolution of object stream
     QPDFObjectHandle obj_stream = getObjectByID(obj_stream_number, 0);
-    if (! obj_stream.isStream())
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      this->m->last_object_description,
-		      this->m->file->getLastOffset(),
-		      "supposed object stream " +
-		      QUtil::int_to_string(obj_stream_number) +
-		      " is not a stream");
+    if (!obj_stream.isStream()) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            this->m->last_object_description,
+            this->m->file->getLastOffset(),
+            ("supposed object stream " +
+             QUtil::int_to_string(obj_stream_number) + " is not a stream"));
     }
 
     // For linearization data in the object, use the data from the
@@ -2004,56 +2039,55 @@
         this->m->obj_cachestream_og.end_after_space;
 
     QPDFObjectHandle dict = obj_stream.getDict();
-    if (! (dict.getKey("/Type").isName() &&
-	   dict.getKey("/Type").getName() == "/ObjStm"))
-    {
-	QTC::TC("qpdf", "QPDF ERR object stream with wrong type");
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      this->m->last_object_description,
-		      this->m->file->getLastOffset(),
-		      "supposed object stream " +
-		      QUtil::int_to_string(obj_stream_number) +
-		      " has wrong type");
+    if (!dict.isDictionaryOfType("/ObjStm")) {
+        QTC::TC("qpdf", "QPDF ERR object stream with wrong type");
+        warn(
+            qpdf_e_damaged_pdf,
+            this->m->last_object_description,
+            this->m->file->getLastOffset(),
+            ("supposed object stream " +
+             QUtil::int_to_string(obj_stream_number) + " has wrong type"));
     }
 
-    if (! (dict.getKey("/N").isInteger() &&
-	   dict.getKey("/First").isInteger()))
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      this->m->last_object_description,
-		      this->m->file->getLastOffset(),
-		      "object stream " +
-		      QUtil::int_to_string(obj_stream_number) +
-		      " has incorrect keys");
+    if (!(dict.getKey("/N").isInteger() && dict.getKey("/First").isInteger())) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            this->m->last_object_description,
+            this->m->file->getLastOffset(),
+            ("object stream " + QUtil::int_to_string(obj_stream_number) +
+             " has incorrect keys"));
     }
 
-    int n = dict.getKey("/N").getIntValue();
-    int first = dict.getKey("/First").getIntValue();
+    int n = dict.getKey("/N").getIntValueAsInt();
+    int first = dict.getKey("/First").getIntValueAsInt();
 
     std::map<int, int> offsets;
 
-    PointerHolder<Buffer> bp = obj_stream.getStreamData(qpdf_dl_specialized);
-    PointerHolder<InputSource> input = new BufferInputSource(
-        this->m->file->getName() +
-        " object stream " + QUtil::int_to_string(obj_stream_number),
-	bp.getPointer());
+    std::shared_ptr<Buffer> bp = obj_stream.getStreamData(qpdf_dl_specialized);
+    auto input = std::shared_ptr<InputSource>(
+        // line-break
+        new BufferInputSource(
+            (this->m->file->getName() + " object stream " +
+             QUtil::int_to_string(obj_stream_number)),
+            bp.get()));
+
+    for (int i = 0; i < n; ++i) {
+        QPDFTokenizer::Token tnum = readToken(input);
+        QPDFTokenizer::Token toffset = readToken(input);
+        if (!((tnum.getType() == QPDFTokenizer::tt_integer) &&
+              (toffset.getType() == QPDFTokenizer::tt_integer))) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                input->getName(),
+                this->m->last_object_description,
+                input->getLastOffset(),
+                "expected integer in object stream header");
+        }
 
-    for (int i = 0; i < n; ++i)
-    {
-	QPDFTokenizer::Token tnum = readToken(input);
-	QPDFTokenizer::Token toffset = readToken(input);
-	if (! ((tnum.getType() == QPDFTokenizer::tt_integer) &&
-	       (toffset.getType() == QPDFTokenizer::tt_integer)))
-	{
-	    throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-			  this->m->last_object_description,
-                          input->getLastOffset(),
-			  "expected integer in object stream header");
-	}
-
-	int num = QUtil::string_to_int(tnum.getValue().c_str());
-	int offset = QUtil::string_to_ll(toffset.getValue().c_str());
-	offsetsnum = offset + first;
+        int num = QUtil::string_to_int(tnum.getValue().c_str());
+        long long offset = QUtil::string_to_int(toffset.getValue().c_str());
+        offsetsnum = QIntC::to_int(offset + first);
     }
 
     // To avoid having to read the object stream multiple times, store
@@ -2061,80 +2095,143 @@
     // that some objects stored here might have been overridden by new
     // objects appended to the file, so it is necessary to recheck the
     // xref table and only cache what would actually be resolved here.
-    for (std::map<int, int>::iterator iter = offsets.begin();
-	 iter != offsets.end(); ++iter)
-    {
-	int obj = (*iter).first;
-	QPDFObjGen og(obj, 0);
+    for (auto const& iter: offsets) {
+        QPDFObjGen og(iter.first, 0);
         QPDFXRefEntry const& entry = this->m->xref_tableog;
         if ((entry.getType() == 2) &&
-            (entry.getObjStreamNumber() == obj_stream_number))
-        {
-            int offset = (*iter).second;
+            (entry.getObjStreamNumber() == obj_stream_number)) {
+            int offset = iter.second;
             input->seek(offset, SEEK_SET);
-            QPDFObjectHandle oh = readObject(input, "", obj, 0, true);
-            this->m->obj_cacheog =
-                ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh),
-                         end_before_space, end_after_space);
-        }
-        else
-        {
+            QPDFObjectHandle oh = readObject(input, "", og, true);
+            updateCache(
+                og,
+                QPDFObjectHandle::ObjAccessor::getObject(oh),
+                end_before_space,
+                end_after_space);
+        } else {
             QTC::TC("qpdf", "QPDF not caching overridden objstm object");
         }
     }
 }
 
 QPDFObjectHandle
+QPDF::newIndirect(QPDFObjGen const& og, std::shared_ptr<QPDFObject> const& obj)
+{
+    obj->setObjGen(this, og);
+    if (!obj->hasDescription()) {
+        obj->setDescription(this, "object " + og.unparse(' '));
+    }
+    return QPDFObjectHandle::Factory::newIndirect(obj);
+}
+
+void
+QPDF::updateCache(
+    QPDFObjGen const& og,
+    std::shared_ptr<QPDFObject> const& object,
+    qpdf_offset_t end_before_space,
+    qpdf_offset_t end_after_space)
+{
+    object->setObjGen(this, og);
+    if (isCached(og)) {
+        auto& cache = m->obj_cacheog;
+        cache.object->assign(object);
+        cache.end_before_space = end_before_space;
+        cache.end_after_space = end_after_space;
+    } else {
+        m->obj_cacheog = ObjCache(object, end_before_space, end_after_space);
+    }
+}
+
+bool
+QPDF::isCached(QPDFObjGen const& og)
+{
+    return m->obj_cache.count(og) != 0;
+}
+
+bool
+QPDF::isUnresolved(QPDFObjGen const& og)
+{
+    return !isCached(og) || m->obj_cacheog.object->isUnresolved();
+}
+
+QPDFObjectHandle
 QPDF::makeIndirectObject(QPDFObjectHandle oh)
 {
-    int max_objid = getObjectCount();
+    int max_objid = toI(getObjectCount());
+    if (max_objid == std::numeric_limits<int>::max()) {
+        throw std::range_error(
+            "max object id is too high to create new objects");
+    }
     QPDFObjGen next(max_objid + 1, 0);
-    this->m->obj_cachenext =
-	ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);
-    return QPDFObjectHandle::Factory::newIndirect(
-        this, next.getObj(), next.getGen());
+    m->obj_cachenext =
+        ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);
+    return newIndirect(next, m->obj_cachenext.object);
+}
+
+QPDFObjectHandle
+QPDF::reserveObjectIfNotExists(QPDFObjGen const& og)
+{
+    if (!isCached(og) && m->xref_table.count(og) == 0) {
+        updateCache(og, QPDF_Reserved::create(), -1, -1);
+        return newIndirect(og, m->obj_cacheog.object);
+    } else {
+        return getObject(og);
+    }
+}
+
+QPDFObjectHandle
+QPDF::reserveStream(QPDFObjGen const& og)
+{
+    return QPDFObjectHandle::Factory::newStream(
+        this, og, QPDFObjectHandle::newDictionary(), 0, 0);
+}
+
+QPDFObjectHandle
+QPDF::getObject(QPDFObjGen const& og)
+{
+    if (!isCached(og)) {
+        m->obj_cacheog = ObjCache(QPDF_Unresolved::create(this, og), -1, -1);
+    }
+    return newIndirect(og, m->obj_cacheog.object);
+}
+
+QPDFObjectHandle
+QPDF::getObject(int objid, int generation)
+{
+    return getObject(QPDFObjGen(objid, generation));
 }
 
 QPDFObjectHandle
 QPDF::getObjectByObjGen(QPDFObjGen const& og)
 {
-    return getObjectByID(og.getObj(), og.getGen());
+    return getObject(og);
 }
 
 QPDFObjectHandle
 QPDF::getObjectByID(int objid, int generation)
 {
-    return QPDFObjectHandle::Factory::newIndirect(this, objid, generation);
+    return getObject(QPDFObjGen(objid, generation));
 }
 
 void
-QPDF::replaceObject(QPDFObjGen const& og, QPDFObjectHandle oh)
+QPDF::replaceObject(int objid, int generation, QPDFObjectHandle oh)
 {
-    replaceObject(og.getObj(), og.getGen(), oh);
+    replaceObject(QPDFObjGen(objid, generation), oh);
 }
 
 void
-QPDF::replaceObject(int objid, int generation, QPDFObjectHandle oh)
+QPDF::replaceObject(QPDFObjGen const& og, QPDFObjectHandle oh)
 {
-    if (oh.isIndirect())
-    {
-	QTC::TC("qpdf", "QPDF replaceObject called with indirect object");
-	throw std::logic_error(
-	    "QPDF::replaceObject called with indirect object handle");
+    if (oh.isIndirect()) {
+        QTC::TC("qpdf", "QPDF replaceObject called with indirect object");
+        throw std::logic_error(
+            "QPDF::replaceObject called with indirect object handle");
     }
-
-    // Force new object to appear in the cache
-    resolve(objid, generation);
-
-    // Replace the object in the object cache
-    QPDFObjGen og(objid, generation);
-    this->m->obj_cacheog =
-	ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);
+    updateCache(og, QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);
 }
 
 void
-QPDF::replaceReserved(QPDFObjectHandle reserved,
-                      QPDFObjectHandle replacement)
+QPDF::replaceReserved(QPDFObjectHandle reserved, QPDFObjectHandle replacement)
 {
     QTC::TC("qpdf", "QPDF replaceReserved");
     reserved.assertReserved();
@@ -2142,35 +2239,66 @@
 }
 
 QPDFObjectHandle
-QPDF::copyForeignObject(QPDFObjectHandle foreign, bool)
-{
-    // This method will be removed next time the ABI is changed.
-    return copyForeignObject(foreign);
-}
-
-QPDFObjectHandle
 QPDF::copyForeignObject(QPDFObjectHandle foreign)
 {
-    // Do not preclude use of copyForeignObject on page objects. It is
-    // a documented use case to copy pages this way if the intention
-    // is to not update the pages tree.
-    if (! foreign.isIndirect())
-    {
+    // Here's an explanation of what's going on here.
+    //
+    // A QPDFObjectHandle that is an indirect object has an owning
+    // QPDF. The object ID and generation refers to an object in the
+    // owning QPDF. When we copy the QPDFObjectHandle from a foreign
+    // QPDF into the local QPDF, we have to replace all indirect
+    // object references with references to the corresponding object
+    // in the local file.
+    //
+    // To do this, we maintain mappings from foreign object IDs to
+    // local object IDs for each foreign QPDF that we are copying
+    // from. The mapping is stored in an ObjCopier, which contains a
+    // mapping from the foreign ObjGen to the local QPDFObjectHandle.
+    //
+    // To copy, we do a deep traversal of the foreign object with loop
+    // detection to discover all indirect objects that are
+    // encountered, stopping at page boundaries. Whenever we encounter
+    // an indirect object, we check to see if we have already created
+    // a local copy of it. If not, we allocate a "reserved" object
+    // (or, for a stream, just a new stream) and store in the map the
+    // mapping from the foreign object ID to the new object. While we
+    // do this, we keep a list of objects to copy.
+    //
+    // Once we are done with the traversal, we copy all the objects
+    // that we need to copy. However, the copies will contain indirect
+    // object IDs that refer to objects in the foreign file. We need
+    // to replace them with references to objects in the local file.
+    // This is what replaceForeignIndirectObjects does. Once we have
+    // created a copy of the foreign object with all the indirect
+    // references replaced with new ones in the local context, we can
+    // replace the local reserved object with the copy. This mechanism
+    // allows us to copy objects with circular references in any
+    // order.
+
+    // For streams, rather than copying the objects, we set up the
+    // stream data to pull from the original stream by using a stream
+    // data provider. This is done in a manner that doesn't require
+    // the original QPDF object but may require the original source of
+    // the stream data with special handling for immediate_copy_from.
+    // This logic is also in replaceForeignIndirectObjects.
+
+    // Note that we explicitly allow use of copyForeignObject on page
+    // objects. It is a documented use case to copy pages this way if
+    // the intention is to not update the pages tree.
+    if (!foreign.isIndirect()) {
         QTC::TC("qpdf", "QPDF copyForeign direct");
-	throw std::logic_error(
-	    "QPDF::copyForeign called with direct object handle");
+        throw std::logic_error(
+            "QPDF::copyForeign called with direct object handle");
     }
-    QPDF* other = foreign.getOwningQPDF();
-    if (other == this)
-    {
+    QPDF& other = foreign.getQPDF();
+    if (&other == this) {
         QTC::TC("qpdf", "QPDF copyForeign not foreign");
         throw std::logic_error(
             "QPDF::copyForeign called with object from this QPDF");
     }
 
-    ObjCopier& obj_copier = this->m->object_copiersother->m->unique_id;
-    if (! obj_copier.visiting.empty())
-    {
+    ObjCopier& obj_copier = this->m->object_copiersother.m->unique_id;
+    if (!obj_copier.visiting.empty()) {
         throw std::logic_error("obj_copier.visiting is not empty"
                                " at the beginning of copyForeignObject");
     }
@@ -2183,22 +2311,16 @@
     // stream.
     reserveObjects(foreign, obj_copier, true);
 
-    if (! obj_copier.visiting.empty())
-    {
+    if (!obj_copier.visiting.empty()) {
         throw std::logic_error("obj_copier.visiting is not empty"
                                " after reserving objects");
     }
 
     // Copy any new objects and replace the reservations.
-    for (std::vector<QPDFObjectHandle>::iterator iter =
-             obj_copier.to_copy.begin();
-         iter != obj_copier.to_copy.end(); ++iter)
-    {
-        QPDFObjectHandle& to_copy = *iter;
+    for (auto& to_copy: obj_copier.to_copy) {
         QPDFObjectHandle copy =
             replaceForeignIndirectObjects(to_copy, obj_copier, true);
-        if (! to_copy.isStream())
-        {
+        if (!to_copy.isStream()) {
             QPDFObjGen og(to_copy.getObjGen());
             replaceReserved(obj_copier.object_mapog, copy);
         }
@@ -2209,88 +2331,66 @@
 }
 
 void
-QPDF::reserveObjects(QPDFObjectHandle foreign, ObjCopier& obj_copier,
-                     bool top)
+QPDF::reserveObjects(QPDFObjectHandle foreign, ObjCopier& obj_copier, bool top)
 {
-    if (foreign.isReserved())
-    {
+    if (foreign.isReserved()) {
         throw std::logic_error(
             "QPDF: attempting to copy a foreign reserved object");
     }
 
-    if (foreign.isPagesObject())
-    {
+    if (foreign.isPagesObject()) {
         QTC::TC("qpdf", "QPDF not copying pages object");
         return;
     }
 
-    if ((! top) && foreign.isPageObject())
-    {
+    if ((!top) && foreign.isPageObject()) {
         QTC::TC("qpdf", "QPDF not crossing page boundary");
         return;
     }
 
-    if (foreign.isIndirect())
-    {
+    if (foreign.isIndirect()) {
         QPDFObjGen foreign_og(foreign.getObjGen());
-        if (obj_copier.visiting.find(foreign_og) != obj_copier.visiting.end())
-        {
+        if (obj_copier.visiting.find(foreign_og) != obj_copier.visiting.end()) {
             QTC::TC("qpdf", "QPDF loop reserving objects");
             return;
         }
         if (obj_copier.object_map.find(foreign_og) !=
-            obj_copier.object_map.end())
-        {
+            obj_copier.object_map.end()) {
             QTC::TC("qpdf", "QPDF already reserved object");
             return;
         }
         QTC::TC("qpdf", "QPDF copy indirect");
         obj_copier.visiting.insert(foreign_og);
-        std::map<QPDFObjGen, QPDFObjectHandle>::iterator mapping =
-            obj_copier.object_map.find(foreign_og);
-        if (mapping == obj_copier.object_map.end())
-        {
+        auto mapping = obj_copier.object_map.find(foreign_og);
+        if (mapping == obj_copier.object_map.end()) {
             obj_copier.to_copy.push_back(foreign);
             QPDFObjectHandle reservation;
-            if (foreign.isStream())
-            {
+            if (foreign.isStream()) {
                 reservation = QPDFObjectHandle::newStream(this);
-            }
-            else
-            {
+            } else {
                 reservation = QPDFObjectHandle::newReserved(this);
             }
             obj_copier.object_mapforeign_og = reservation;
         }
     }
 
-    if (foreign.isArray())
-    {
+    if (foreign.isArray()) {
         QTC::TC("qpdf", "QPDF reserve array");
-	int n = foreign.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
+        int n = foreign.getArrayNItems();
+        for (int i = 0; i < n; ++i) {
             reserveObjects(foreign.getArrayItem(i), obj_copier, false);
-	}
-    }
-    else if (foreign.isDictionary())
-    {
+        }
+    } else if (foreign.isDictionary()) {
         QTC::TC("qpdf", "QPDF reserve dictionary");
-	std::set<std::string> keys = foreign.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-            reserveObjects(foreign.getKey(*iter), obj_copier, false);
-	}
-    }
-    else if (foreign.isStream())
-    {
+        for (auto const& key: foreign.getKeys()) {
+            reserveObjects(foreign.getKey(key), obj_copier, false);
+        }
+    } else if (foreign.isStream()) {
         QTC::TC("qpdf", "QPDF reserve stream");
         reserveObjects(foreign.getDict(), obj_copier, false);
     }
 
-    if (foreign.isIndirect())
-    {
+    if (foreign.isIndirect()) {
         QPDFObjGen foreign_og(foreign.getObjGen());
         obj_copier.visiting.erase(foreign_og);
     }
@@ -2301,52 +2401,39 @@
     QPDFObjectHandle foreign, ObjCopier& obj_copier, bool top)
 {
     QPDFObjectHandle result;
-    if ((! top) && foreign.isIndirect())
-    {
+    if ((!top) && foreign.isIndirect()) {
         QTC::TC("qpdf", "QPDF replace indirect");
         QPDFObjGen foreign_og(foreign.getObjGen());
-        std::map<QPDFObjGen, QPDFObjectHandle>::iterator mapping =
-            obj_copier.object_map.find(foreign_og);
-        if (mapping == obj_copier.object_map.end())
-        {
+        auto mapping = obj_copier.object_map.find(foreign_og);
+        if (mapping == obj_copier.object_map.end()) {
             // This case would occur if this is a reference to a Page
             // or Pages object that we didn't traverse into.
             QTC::TC("qpdf", "QPDF replace foreign indirect with null");
             result = QPDFObjectHandle::newNull();
-        }
-        else
-        {
+        } else {
             result = obj_copier.object_mapforeign_og;
         }
-    }
-    else if (foreign.isArray())
-    {
+    } else if (foreign.isArray()) {
         QTC::TC("qpdf", "QPDF replace array");
         result = QPDFObjectHandle::newArray();
-	int n = foreign.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
+        int n = foreign.getArrayNItems();
+        for (int i = 0; i < n; ++i) {
             result.appendItem(
+                // line-break
                 replaceForeignIndirectObjects(
                     foreign.getArrayItem(i), obj_copier, false));
-	}
-    }
-    else if (foreign.isDictionary())
-    {
+        }
+    } else if (foreign.isDictionary()) {
         QTC::TC("qpdf", "QPDF replace dictionary");
         result = QPDFObjectHandle::newDictionary();
-	std::set<std::string> keys = foreign.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
+        std::set<std::string> keys = foreign.getKeys();
+        for (auto const& iter: keys) {
             result.replaceKey(
-                *iter,
+                iter,
                 replaceForeignIndirectObjects(
-                    foreign.getKey(*iter), obj_copier, false));
-	}
-    }
-    else if (foreign.isStream())
-    {
+                    foreign.getKey(iter), obj_copier, false));
+        }
+    } else if (foreign.isStream()) {
         QTC::TC("qpdf", "QPDF replace stream");
         QPDFObjGen foreign_og(foreign.getObjGen());
         result = obj_copier.object_mapforeign_og;
@@ -2354,101 +2441,20 @@
         QPDFObjectHandle dict = result.getDict();
         QPDFObjectHandle old_dict = foreign.getDict();
         std::set<std::string> keys = old_dict.getKeys();
-        for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
+        for (auto const& iter: keys) {
             dict.replaceKey(
-                *iter,
+                iter,
                 replaceForeignIndirectObjects(
-                    old_dict.getKey(*iter), obj_copier, false));
-	}
-        if (this->m->copied_stream_data_provider == 0)
-        {
-            this->m->copied_stream_data_provider =
-                new CopiedStreamDataProvider(*this);
-            this->m->copied_streams = this->m->copied_stream_data_provider;
-        }
-        QPDFObjGen local_og(result.getObjGen());
-        // Copy information from the foreign stream so we can pipe its
-        // data later without keeping the original QPDF object around.
-        QPDF* foreign_stream_qpdf = foreign.getOwningQPDF();
-        if (! foreign_stream_qpdf)
-        {
-            throw std::logic_error("unable to retrieve owning qpdf"
-                                   " from foreign stream");
-        }
-        QPDF_Stream* stream =
-            dynamic_cast<QPDF_Stream*>(
-                QPDFObjectHandle::ObjAccessor::getObject(
-                    foreign).getPointer());
-        if (! stream)
-        {
-            throw std::logic_error("unable to retrieve underlying"
-                                   " stream object from foreign stream");
+                    old_dict.getKey(iter), obj_copier, false));
         }
-        PointerHolder<Buffer> stream_buffer =
-            stream->getStreamDataBuffer();
-        if ((foreign_stream_qpdf->m->immediate_copy_from) &&
-            (stream_buffer.getPointer() == 0))
-        {
-            // Pull the stream data into a buffer before attempting
-            // the copy operation. Do it on the source stream so that
-            // if the source stream is copied multiple times, we don't
-            // have to keep duplicating the memory.
-            QTC::TC("qpdf", "QPDF immediate copy stream data");
-            foreign.replaceStreamData(foreign.getRawStreamData(),
-                                      dict.getKey("/Filter"),
-                                      dict.getKey("/DecodeParms"));
-            stream_buffer = stream->getStreamDataBuffer();
-        }
-        PointerHolder<QPDFObjectHandle::StreamDataProvider> stream_provider =
-            stream->getStreamDataProvider();
-        if (stream_buffer.getPointer())
-        {
-            QTC::TC("qpdf", "QPDF copy foreign stream with buffer");
-            result.replaceStreamData(stream_buffer,
-                                     dict.getKey("/Filter"),
-                                     dict.getKey("/DecodeParms"));
-        }
-        else if (stream_provider.getPointer())
-        {
-            // In this case, the remote stream's QPDF must stay in scope.
-            QTC::TC("qpdf", "QPDF copy foreign stream with provider");
-            this->m->copied_stream_data_provider->registerForeignStream(
-                local_og, foreign);
-            result.replaceStreamData(this->m->copied_streams,
-                                     dict.getKey("/Filter"),
-                                     dict.getKey("/DecodeParms"));
-        }
-        else
-        {
-            PointerHolder<ForeignStreamData> foreign_stream_data =
-                new ForeignStreamData(
-                    foreign_stream_qpdf->m->encp,
-                    foreign_stream_qpdf->m->file,
-                    foreign.getObjectID(),
-                    foreign.getGeneration(),
-                    stream->getOffset(),
-                    stream->getLength(),
-                    (foreign_stream_qpdf->m->attachment_streams.count(
-                        foreign.getObjGen()) > 0),
-                    dict);
-            this->m->copied_stream_data_provider->registerForeignStream(
-                local_og, foreign_stream_data);
-            result.replaceStreamData(this->m->copied_streams,
-                                     dict.getKey("/Filter"),
-                                     dict.getKey("/DecodeParms"));
-        }
-    }
-    else
-    {
+        copyStreamData(result, foreign);
+    } else {
         foreign.assertScalar();
         result = foreign;
         result.makeDirect();
     }
 
-    if (top && (! result.isStream()) && result.isIndirect())
-    {
+    if (top && (!result.isStream()) && result.isIndirect()) {
         throw std::logic_error("replacement for foreign object is indirect");
     }
 
@@ -2456,23 +2462,94 @@
 }
 
 void
-QPDF::swapObjects(QPDFObjGen const& og1, QPDFObjGen const& og2)
-{
-    swapObjects(og1.getObj(), og1.getGen(), og2.getObj(), og2.getGen());
+QPDF::copyStreamData(QPDFObjectHandle result, QPDFObjectHandle foreign)
+{
+    // This method was originally written for copying foreign streams,
+    // but it is used by QPDFObjectHandle to copy streams from the
+    // same QPDF object as well.
+
+    QPDFObjectHandle dict = result.getDict();
+    QPDFObjectHandle old_dict = foreign.getDict();
+    if (this->m->copied_stream_data_provider == nullptr) {
+        this->m->copied_stream_data_provider =
+            new CopiedStreamDataProvider(*this);
+        this->m->copied_streams =
+            std::shared_ptr<QPDFObjectHandle::StreamDataProvider>(
+                this->m->copied_stream_data_provider);
+    }
+    QPDFObjGen local_og(result.getObjGen());
+    // Copy information from the foreign stream so we can pipe its
+    // data later without keeping the original QPDF object around.
+
+    QPDF& foreign_stream_qpdf =
+        foreign.getQPDF("unable to retrieve owning qpdf from foreign stream");
+
+    auto stream = QPDFObjectHandle::ObjAccessor::asStream(foreign);
+    if (stream == nullptr) {
+        throw std::logic_error("unable to retrieve underlying"
+                               " stream object from foreign stream");
+    }
+    std::shared_ptr<Buffer> stream_buffer = stream->getStreamDataBuffer();
+    if ((foreign_stream_qpdf.m->immediate_copy_from) &&
+        (stream_buffer == nullptr)) {
+        // Pull the stream data into a buffer before attempting
+        // the copy operation. Do it on the source stream so that
+        // if the source stream is copied multiple times, we don't
+        // have to keep duplicating the memory.
+        QTC::TC("qpdf", "QPDF immediate copy stream data");
+        foreign.replaceStreamData(
+            foreign.getRawStreamData(),
+            old_dict.getKey("/Filter"),
+            old_dict.getKey("/DecodeParms"));
+        stream_buffer = stream->getStreamDataBuffer();
+    }
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> stream_provider =
+        stream->getStreamDataProvider();
+    if (stream_buffer.get()) {
+        QTC::TC("qpdf", "QPDF copy foreign stream with buffer");
+        result.replaceStreamData(
+            stream_buffer, dict.getKey("/Filter"), dict.getKey("/DecodeParms"));
+    } else if (stream_provider.get()) {
+        // In this case, the remote stream's QPDF must stay in scope.
+        QTC::TC("qpdf", "QPDF copy foreign stream with provider");
+        this->m->copied_stream_data_provider->registerForeignStream(
+            local_og, foreign);
+        result.replaceStreamData(
+            this->m->copied_streams,
+            dict.getKey("/Filter"),
+            dict.getKey("/DecodeParms"));
+    } else {
+        auto foreign_stream_data = std::make_shared<ForeignStreamData>(
+            foreign_stream_qpdf.m->encp,
+            foreign_stream_qpdf.m->file,
+            foreign.getObjGen(),
+            stream->getOffset(),
+            stream->getLength(),
+            dict);
+        this->m->copied_stream_data_provider->registerForeignStream(
+            local_og, foreign_stream_data);
+        result.replaceStreamData(
+            this->m->copied_streams,
+            dict.getKey("/Filter"),
+            dict.getKey("/DecodeParms"));
+    }
 }
 
 void
 QPDF::swapObjects(int objid1, int generation1, int objid2, int generation2)
 {
-    // Force objects to be loaded into cache; then swap them in the
-    // cache.
-    resolve(objid1, generation1);
-    resolve(objid2, generation2);
-    QPDFObjGen og1(objid1, generation1);
-    QPDFObjGen og2(objid2, generation2);
-    ObjCache t = this->m->obj_cacheog1;
-    this->m->obj_cacheog1 = this->m->obj_cacheog2;
-    this->m->obj_cacheog2 = t;
+    swapObjects(
+        QPDFObjGen(objid1, generation1), QPDFObjGen(objid2, generation2));
+}
+
+void
+QPDF::swapObjects(QPDFObjGen const& og1, QPDFObjGen const& og2)
+{
+    // Force objects to be read from the input source if needed, then
+    // swap them in the cache.
+    resolve(og1);
+    resolve(og2);
+    m->obj_cacheog1.object->swapWith(m->obj_cacheog2.object);
 }
 
 unsigned long long
@@ -2487,6 +2564,23 @@
     return this->m->file->getName();
 }
 
+PDFVersion
+QPDF::getVersionAsPDFVersion()
+{
+    int major = 1;
+    int minor = 3;
+    int extension_level = getExtensionLevel();
+
+    std::regex v("^:space:*(0-9+)\\.(0-9+)");
+    std::smatch m;
+    if (std::regex_search(this->m->pdf_version, m, v)) {
+        major = QUtil::string_to_int(m1.str().c_str());
+        minor = QUtil::string_to_int(m2.str().c_str());
+    }
+
+    return PDFVersion(major, minor, extension_level);
+}
+
 std::string
 QPDF::getPDFVersion() const
 {
@@ -2498,18 +2592,14 @@
 {
     int result = 0;
     QPDFObjectHandle obj = getRoot();
-    if (obj.hasKey("/Extensions"))
-    {
+    if (obj.hasKey("/Extensions")) {
         obj = obj.getKey("/Extensions");
-        if (obj.isDictionary() && obj.hasKey("/ADBE"))
-        {
+        if (obj.isDictionary() && obj.hasKey("/ADBE")) {
             obj = obj.getKey("/ADBE");
-            if (obj.isDictionary() && obj.hasKey("/ExtensionLevel"))
-            {
+            if (obj.isDictionary() && obj.hasKey("/ExtensionLevel")) {
                 obj = obj.getKey("/ExtensionLevel");
-                if (obj.isInteger())
-                {
-                    result = obj.getIntValue();
+                if (obj.isInteger()) {
+                    result = obj.getIntValueAsInt();
                 }
             }
         }
@@ -2527,28 +2617,36 @@
 QPDF::getRoot()
 {
     QPDFObjectHandle root = this->m->trailer.getKey("/Root");
-    if (! root.isDictionary())
-    {
-        throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                      "", this->m->file->getLastOffset(),
-                      "unable to find /Root dictionary");
+    if (!root.isDictionary()) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "",
+            0,
+            "unable to find /Root dictionary");
     }
     return root;
 }
 
+std::map<QPDFObjGen, QPDFXRefEntry>
+QPDF::getXRefTable()
+{
+    if (!this->m->parsed) {
+        throw std::logic_error("QPDF::getXRefTable called before parsing.");
+    }
+
+    return this->m->xref_table;
+}
+
 void
 QPDF::getObjectStreamData(std::map<int, int>& omap)
 {
-    for (std::map<QPDFObjGen, QPDFXRefEntry>::iterator iter =
-	     this->m->xref_table.begin();
-	 iter != this->m->xref_table.end(); ++iter)
-    {
-	QPDFObjGen const& og = (*iter).first;
-	QPDFXRefEntry const& entry = (*iter).second;
-	if (entry.getType() == 2)
-	{
-	    omapog.getObj() = entry.getObjStreamNumber();
-	}
+    for (auto const& iter: this->m->xref_table) {
+        QPDFObjGen const& og = iter.first;
+        QPDFXRefEntry const& entry = iter.second;
+        if (entry.getType() == 2) {
+            omapog.getObj() = entry.getObjStreamNumber();
+        }
     }
 }
 
@@ -2565,160 +2663,139 @@
     // orphaned items.
 
     // Exclude encryption dictionary, if any
-    QPDFObjectHandle encryption_dict =
-        this->m->trailer.getKey("/Encrypt");
+    QPDFObjectHandle encryption_dict = this->m->trailer.getKey("/Encrypt");
     QPDFObjGen encryption_dict_og = encryption_dict.getObjGen();
 
     std::set<QPDFObjGen> visited;
     std::list<QPDFObjectHandle> queue;
     queue.push_front(this->m->trailer);
     std::vector<QPDFObjGen> result;
-    while (! queue.empty())
-    {
-	QPDFObjectHandle obj = queue.front();
-	queue.pop_front();
-	if (obj.isIndirect())
-	{
-	    QPDFObjGen og = obj.getObjGen();
-	    if (visited.count(og))
-	    {
-		QTC::TC("qpdf", "QPDF loop detected traversing objects");
-		continue;
-	    }
-	    if (og == encryption_dict_og)
-	    {
-		QTC::TC("qpdf", "QPDF exclude encryption dictionary");
-	    }
-	    else if (! obj.isStream())
-	    {
-		result.push_back(og);
-	    }
-	    visited.insert(og);
-	}
-	if (obj.isStream())
-	{
-	    QPDFObjectHandle dict = obj.getDict();
-	    std::set<std::string> keys = dict.getKeys();
-	    for (std::set<std::string>::reverse_iterator iter = keys.rbegin();
-		 iter != keys.rend(); ++iter)
-	    {
-		std::string const& key = *iter;
-		QPDFObjectHandle value = dict.getKey(key);
-		if (key == "/Length")
-		{
-		    // omit stream lengths
-		    if (value.isIndirect())
-		    {
-			QTC::TC("qpdf", "QPDF exclude indirect length");
-		    }
-		}
-		else
-		{
-		    queue.push_front(value);
-		}
-	    }
-	}
-	else if (obj.isDictionary())
-	{
-	    std::set<std::string> keys = obj.getKeys();
-	    for (std::set<std::string>::reverse_iterator iter = keys.rbegin();
-		 iter != keys.rend(); ++iter)
-	    {
-		queue.push_front(obj.getKey(*iter));
-	    }
-	}
-	else if (obj.isArray())
-	{
-	    int n = obj.getArrayNItems();
-	    for (int i = 1; i <= n; ++i)
-	    {
-		queue.push_front(obj.getArrayItem(n - i));
-	    }
-	}
+    while (!queue.empty()) {
+        QPDFObjectHandle obj = queue.front();
+        queue.pop_front();
+        if (obj.isIndirect()) {
+            QPDFObjGen og = obj.getObjGen();
+            if (visited.count(og)) {
+                QTC::TC("qpdf", "QPDF loop detected traversing objects");
+                continue;
+            }
+            if (og == encryption_dict_og) {
+                QTC::TC("qpdf", "QPDF exclude encryption dictionary");
+            } else if (!(obj.isStream() ||
+                         (obj.isDictionaryOfType("/Sig") &&
+                          obj.hasKey("/ByteRange") &&
+                          obj.hasKey("/Contents")))) {
+                result.push_back(og);
+            }
+            visited.insert(og);
+        }
+        if (obj.isStream()) {
+            QPDFObjectHandle dict = obj.getDict();
+            std::set<std::string> keys = dict.getKeys();
+            for (std::set<std::string>::reverse_iterator iter = keys.rbegin();
+                 iter != keys.rend();
+                 ++iter) {
+                std::string const& key = *iter;
+                QPDFObjectHandle value = dict.getKey(key);
+                if (key == "/Length") {
+                    // omit stream lengths
+                    if (value.isIndirect()) {
+                        QTC::TC("qpdf", "QPDF exclude indirect length");
+                    }
+                } else {
+                    queue.push_front(value);
+                }
+            }
+        } else if (obj.isDictionary()) {
+            std::set<std::string> keys = obj.getKeys();
+            for (std::set<std::string>::reverse_iterator iter = keys.rbegin();
+                 iter != keys.rend();
+                 ++iter) {
+                queue.push_front(obj.getKey(*iter));
+            }
+        } else if (obj.isArray()) {
+            int n = obj.getArrayNItems();
+            for (int i = 1; i <= n; ++i) {
+                queue.push_front(obj.getArrayItem(n - i));
+            }
+        }
     }
 
     return result;
 }
 
 bool
-QPDF::pipeStreamData(PointerHolder<EncryptionParameters> encp,
-                     PointerHolder<InputSource> file,
-                     QPDF& qpdf_for_warning,
-                     int objid, int generation,
-		     qpdf_offset_t offset, size_t length,
-		     QPDFObjectHandle stream_dict,
-                     bool is_attachment_stream,
-		     Pipeline* pipeline,
-                     bool suppress_warnings,
-                     bool will_retry)
-{
-    std::vector<PointerHolder<Pipeline> > to_delete;
-    if (encp->encrypted)
-    {
-	decryptStream(encp, file, qpdf_for_warning,
-                      pipeline, objid, generation,
-                      stream_dict, is_attachment_stream, to_delete);
+QPDF::pipeStreamData(
+    std::shared_ptr<EncryptionParameters> encp,
+    std::shared_ptr<InputSource> file,
+    QPDF& qpdf_for_warning,
+    QPDFObjGen const& og,
+    qpdf_offset_t offset,
+    size_t length,
+    QPDFObjectHandle stream_dict,
+    Pipeline* pipeline,
+    bool suppress_warnings,
+    bool will_retry)
+{
+    std::vector<std::shared_ptr<Pipeline>> to_delete;
+    if (encp->encrypted) {
+        decryptStream(
+            encp, file, qpdf_for_warning, pipeline, og, stream_dict, to_delete);
     }
 
     bool success = false;
-    try
-    {
-	file->seek(offset, SEEK_SET);
-	char buf10240;
-	while (length > 0)
-	{
-	    size_t to_read = (sizeof(buf) < length ? sizeof(buf) : length);
-	    size_t len = file->read(buf, to_read);
-	    if (len == 0)
-	    {
-		throw QPDFExc(qpdf_e_damaged_pdf,
-			      file->getName(),
-			      "",
-			      file->getLastOffset(),
-			      "unexpected EOF reading stream data");
-	    }
-	    length -= len;
-	    pipeline->write(QUtil::unsigned_char_pointer(buf), len);
-	}
+    try {
+        file->seek(offset, SEEK_SET);
+        char buf10240;
+        while (length > 0) {
+            size_t to_read = (sizeof(buf) < length ? sizeof(buf) : length);
+            size_t len = file->read(buf, to_read);
+            if (len == 0) {
+                throw QPDFExc(
+                    qpdf_e_damaged_pdf,
+                    file->getName(),
+                    "",
+                    file->getLastOffset(),
+                    "unexpected EOF reading stream data");
+            }
+            length -= len;
+            pipeline->write(buf, len);
+        }
         pipeline->finish();
         success = true;
-    }
-    catch (QPDFExc& e)
-    {
-        if (! suppress_warnings)
-        {
+    } catch (QPDFExc& e) {
+        if (!suppress_warnings) {
             qpdf_for_warning.warn(e);
         }
-    }
-    catch (std::exception& e)
-    {
-        if (! suppress_warnings)
-        {
+    } catch (std::exception& e) {
+        if (!suppress_warnings) {
             QTC::TC("qpdf", "QPDF decoding error warning");
             qpdf_for_warning.warn(
-                QPDFExc(qpdf_e_damaged_pdf, file->getName(),
-                        "", file->getLastOffset(),
-                        "error decoding stream data for object " +
-                        QUtil::int_to_string(objid) + " " +
-                        QUtil::int_to_string(generation) + ": " + e.what()));
-            if (will_retry)
-            {
+                // line-break
+                QPDFExc(
+                    qpdf_e_damaged_pdf,
+                    file->getName(),
+                    "",
+                    file->getLastOffset(),
+                    ("error decoding stream data for object " +
+                     og.unparse(' ') + ": " + e.what())));
+            if (will_retry) {
                 qpdf_for_warning.warn(
-                    QPDFExc(qpdf_e_damaged_pdf, file->getName(),
-                            "", file->getLastOffset(),
-                            "stream will be re-processed without"
-                            " filtering to avoid data loss"));
+                    // line-break
+                    QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        file->getName(),
+                        "",
+                        file->getLastOffset(),
+                        "stream will be re-processed without"
+                        " filtering to avoid data loss"));
             }
         }
     }
-    if (! success)
-    {
-        try
-        {
+    if (!success) {
+        try {
             pipeline->finish();
-        }
-        catch (std::exception&)
-        {
+        } catch (std::exception&) {
             // ignore
         }
     }
@@ -2726,73 +2803,49 @@
 }
 
 bool
-QPDF::pipeStreamData(int objid, int generation,
-		     qpdf_offset_t offset, size_t length,
-		     QPDFObjectHandle stream_dict,
-		     Pipeline* pipeline,
-                     bool suppress_warnings,
-                     bool will_retry)
-{
-    bool is_attachment_stream = this->m->attachment_streams.count(
-        QPDFObjGen(objid, generation));
+QPDF::pipeStreamData(
+    QPDFObjGen const& og,
+    qpdf_offset_t offset,
+    size_t length,
+    QPDFObjectHandle stream_dict,
+    Pipeline* pipeline,
+    bool suppress_warnings,
+    bool will_retry)
+{
     return pipeStreamData(
-        this->m->encp, this->m->file, *this,
-        objid, generation, offset, length,
-        stream_dict, is_attachment_stream,
-        pipeline, suppress_warnings, will_retry);
+        this->m->encp,
+        this->m->file,
+        *this,
+        og,
+        offset,
+        length,
+        stream_dict,
+        pipeline,
+        suppress_warnings,
+        will_retry);
 }
 
 bool
 QPDF::pipeForeignStreamData(
-    PointerHolder<ForeignStreamData> foreign,
+    std::shared_ptr<ForeignStreamData> foreign,
     Pipeline* pipeline,
-    unsigned long encode_flags,
-    qpdf_stream_decode_level_e decode_level)
+    bool suppress_warnings,
+    bool will_retry)
 {
-    if (foreign->encp->encrypted)
-    {
+    if (foreign->encp->encrypted) {
         QTC::TC("qpdf", "QPDF pipe foreign encrypted stream");
     }
     return pipeStreamData(
-        foreign->encp, foreign->file, *this,
-        foreign->foreign_objid, foreign->foreign_generation,
-        foreign->offset, foreign->length,
-        foreign->local_dict, foreign->is_attachment_stream,
-        pipeline, false, false);
-}
-
-void
-QPDF::findAttachmentStreams()
-{
-    QPDFObjectHandle root = getRoot();
-    QPDFObjectHandle names = root.getKey("/Names");
-    if (! names.isDictionary())
-    {
-        return;
-    }
-    QPDFObjectHandle embeddedFiles = names.getKey("/EmbeddedFiles");
-    if (! embeddedFiles.isDictionary())
-    {
-        return;
-    }
-    names = embeddedFiles.getKey("/Names");
-    if (! names.isArray())
-    {
-        return;
-    }
-    for (int i = 0; i < names.getArrayNItems(); ++i)
-    {
-        QPDFObjectHandle item = names.getArrayItem(i);
-        if (item.isDictionary() &&
-            item.getKey("/Type").isName() &&
-            (item.getKey("/Type").getName() == "/Filespec") &&
-            item.getKey("/EF").isDictionary() &&
-            item.getKey("/EF").getKey("/F").isStream())
-        {
-            QPDFObjectHandle stream = item.getKey("/EF").getKey("/F");
-            this->m->attachment_streams.insert(stream.getObjGen());
-        }
-    }
+        foreign->encp,
+        foreign->file,
+        *this,
+        foreign->foreign_og,
+        foreign->offset,
+        foreign->length,
+        foreign->local_dict,
+        pipeline,
+        suppress_warnings,
+        will_retry);
 }
 
 void
@@ -2801,6 +2854,22 @@
     // Throw a generic exception when we lack context for something
     // more specific. New code should not use this. This method exists
     // to improve somewhat from calling assert in very old code.
-    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                  "", this->m->file->getLastOffset(), message);
+    throw QPDFExc(
+        qpdf_e_damaged_pdf,
+        this->m->file->getName(),
+        "",
+        this->m->file->getLastOffset(),
+        message);
+}
+
+bool
+QPDF::everCalledGetAllPages() const
+{
+    return this->m->ever_called_get_all_pages;
+}
+
+bool
+QPDF::everPushedInheritedAttributesToPages() const
+{
+    return this->m->ever_pushed_inherited_attributes_to_pages;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFAcroFormDocumentHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFAcroFormDocumentHelper.cc Changed

@@ -1,11 +1,10 @@
 #include <qpdf/QPDFAcroFormDocumentHelper.hh>
 
-#include <qpdf/QTC.hh>
+#include <qpdf/Pl_Buffer.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
-
-QPDFAcroFormDocumentHelper::Members::~Members()
-{
-}
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/ResourceFinder.hh>
 
 QPDFAcroFormDocumentHelper::Members::Members() :
     cache_valid(false)
@@ -16,6 +15,10 @@
     QPDFDocumentHelper(qpdf),
     m(new Members())
 {
+    // We have to analyze up front. Otherwise, when we are adding
+    // annotations and fields, we are in a temporarily unstable
+    // configuration where some widget annotations are not reachable.
+    analyze();
 }
 
 void
@@ -32,17 +35,168 @@
     return this->qpdf.getRoot().hasKey("/AcroForm");
 }
 
+QPDFObjectHandle
+QPDFAcroFormDocumentHelper::getOrCreateAcroForm()
+{
+    auto acroform = this->qpdf.getRoot().getKey("/AcroForm");
+    if (!acroform.isDictionary()) {
+        acroform = this->qpdf.getRoot().replaceKeyAndGetNew(
+            "/AcroForm",
+            this->qpdf.makeIndirectObject(QPDFObjectHandle::newDictionary()));
+    }
+    return acroform;
+}
+
+void
+QPDFAcroFormDocumentHelper::addFormField(QPDFFormFieldObjectHelper ff)
+{
+    auto acroform = getOrCreateAcroForm();
+    auto fields = acroform.getKey("/Fields");
+    if (!fields.isArray()) {
+        fields = acroform.replaceKeyAndGetNew(
+            "/Fields", QPDFObjectHandle::newArray());
+    }
+    fields.appendItem(ff.getObjectHandle());
+    std::set<QPDFObjGen> visited;
+    traverseField(
+        ff.getObjectHandle(), QPDFObjectHandle::newNull(), 0, visited);
+}
+
+void
+QPDFAcroFormDocumentHelper::addAndRenameFormFields(
+    std::vector<QPDFObjectHandle> fields)
+{
+    analyze();
+    std::map<std::string, std::string> renames;
+    std::list<QPDFObjectHandle> queue;
+    queue.insert(queue.begin(), fields.begin(), fields.end());
+    std::set<QPDFObjGen> seen;
+    while (!queue.empty()) {
+        QPDFObjectHandle obj = queue.front();
+        queue.pop_front();
+        auto og = obj.getObjGen();
+        if (seen.count(og)) {
+            // loop
+            continue;
+        }
+        seen.insert(og);
+        auto kids = obj.getKey("/Kids");
+        if (kids.isArray()) {
+            for (auto kid: kids.aitems()) {
+                queue.push_back(kid);
+            }
+        }
+
+        if (obj.hasKey("/T")) {
+            // Find something we can append to the partial name that
+            // makes the fully qualified name unique. When we find
+            // something, reuse the same suffix for all fields in this
+            // group with the same name. We can only change the name
+            // of fields that have /T, and this field's /T is always
+            // at the end of the fully qualified name, appending to /T
+            // has the effect of appending the same thing to the fully
+            // qualified name.
+            std::string old_name =
+                QPDFFormFieldObjectHelper(obj).getFullyQualifiedName();
+            if (renames.count(old_name) == 0) {
+                std::string new_name = old_name;
+                int suffix = 0;
+                std::string append;
+                while (!getFieldsWithQualifiedName(new_name).empty()) {
+                    ++suffix;
+                    append = "+" + QUtil::int_to_string(suffix);
+                    new_name = old_name + append;
+                }
+                renamesold_name = append;
+            }
+            std::string append = renamesold_name;
+            if (!append.empty()) {
+                obj.replaceKey(
+                    "/T",
+                    QPDFObjectHandle::newUnicodeString(
+                        obj.getKey("/T").getUTF8Value() + append));
+            }
+        }
+    }
+
+    for (auto i: fields) {
+        addFormField(i);
+    }
+}
+
+void
+QPDFAcroFormDocumentHelper::removeFormFields(
+    std::set<QPDFObjGen> const& to_remove)
+{
+    auto acroform = this->qpdf.getRoot().getKey("/AcroForm");
+    if (!acroform.isDictionary()) {
+        return;
+    }
+    auto fields = acroform.getKey("/Fields");
+    if (!fields.isArray()) {
+        return;
+    }
+
+    for (auto const& og: to_remove) {
+        auto annotations = this->m->field_to_annotations.find(og);
+        if (annotations != this->m->field_to_annotations.end()) {
+            for (auto aoh: annotations->second) {
+                this->m->annotation_to_field.erase(
+                    aoh.getObjectHandle().getObjGen());
+            }
+            this->m->field_to_annotations.erase(og);
+        }
+        auto name = this->m->field_to_name.find(og);
+        if (name != this->m->field_to_name.end()) {
+            this->m->name_to_fieldsname->second.erase(og);
+            if (this->m->name_to_fieldsname->second.empty()) {
+                this->m->name_to_fields.erase(name->second);
+            }
+            this->m->field_to_name.erase(og);
+        }
+    }
+
+    int i = 0;
+    while (i < fields.getArrayNItems()) {
+        auto field = fields.getArrayItem(i);
+        if (to_remove.count(field.getObjGen())) {
+            fields.eraseItem(i);
+        } else {
+            ++i;
+        }
+    }
+}
+
+void
+QPDFAcroFormDocumentHelper::setFormFieldName(
+    QPDFFormFieldObjectHelper ff, std::string const& name)
+{
+    ff.setFieldAttribute("/T", name);
+    std::set<QPDFObjGen> visited;
+    auto ff_oh = ff.getObjectHandle();
+    traverseField(ff_oh, ff_oh.getKey("/Parent"), 0, visited);
+}
+
 std::vector<QPDFFormFieldObjectHelper>
 QPDFAcroFormDocumentHelper::getFormFields()
 {
     analyze();
     std::vector<QPDFFormFieldObjectHelper> result;
-    for (std::map<QPDFObjGen,
-             std::vector<QPDFAnnotationObjectHelper> >::iterator iter =
-             this->m->field_to_annotations.begin();
-         iter != this->m->field_to_annotations.end(); ++iter)
-    {
-        result.push_back(this->qpdf.getObjectByObjGen((*iter).first));
+    for (auto const& iter: this->m->field_to_annotations) {
+        result.push_back(this->qpdf.getObject(iter.first));
+    }
+    return result;
+}
+
+std::set<QPDFObjGen>
+QPDFAcroFormDocumentHelper::getFieldsWithQualifiedName(std::string const& name)
+{
+    analyze();
+    // Keep from creating an empty entry
+    std::set<QPDFObjGen> result;
+    auto iter = this->m->name_to_fields.find(name);
+    if (iter != this->m->name_to_fields.end()) {
+        result = iter->second;
     }
     return result;
 }
@@ -53,8 +207,7 @@
     analyze();
     std::vector<QPDFAnnotationObjectHelper> result;
     QPDFObjGen og(h.getObjectHandle().getObjGen());
-    if (this->m->field_to_annotations.count(og))
-    {
+    if (this->m->field_to_annotations.count(og)) {
         result = this->m->field_to_annotationsog;
     }
     return result;
@@ -66,23 +219,38 @@
     return h.getAnnotations("/Widget");
 }
 
+std::vector<QPDFFormFieldObjectHelper>
+QPDFAcroFormDocumentHelper::getFormFieldsForPage(QPDFPageObjectHelper ph)
+{
+    analyze();
+    std::set<QPDFObjGen> added;
+    std::vector<QPDFFormFieldObjectHelper> result;
+    auto widget_annotations = getWidgetAnnotationsForPage(ph);
+    for (auto annot: widget_annotations) {
+        auto field = getFieldForAnnotation(annot);
+        field = field.getTopLevelField();
+        auto og = field.getObjectHandle().getObjGen();
+        if (!added.count(og)) {
+            added.insert(og);
+            if (field.getObjectHandle().isDictionary()) {
+                result.push_back(field);
+            }
+        }
+    }
+    return result;
+}
+
 QPDFFormFieldObjectHelper
 QPDFAcroFormDocumentHelper::getFieldForAnnotation(QPDFAnnotationObjectHelper h)
 {
     QPDFObjectHandle oh = h.getObjectHandle();
-    if (! (oh.isDictionary() &&
-           oh.getKey("/Subtype").isName() &&
-           (oh.getKey("/Subtype").getName() == "/Widget")))
-    {
-        throw std::logic_error(
-            "QPDFAnnotationObjectHelper::getFieldForAnnotation called for"
-            " non-/Widget annotation");
+    QPDFFormFieldObjectHelper result(QPDFObjectHandle::newNull());
+    if (!oh.isDictionaryOfType("", "/Widget")) {
+        return result;
     }
     analyze();
-    QPDFFormFieldObjectHelper result(QPDFObjectHandle::newNull());
     QPDFObjGen og(oh.getObjGen());
-    if (this->m->annotation_to_field.count(og))
-    {
+    if (this->m->annotation_to_field.count(og)) {
         result = this->m->annotation_to_fieldog;
     }
     return result;
@@ -91,19 +259,16 @@
 void
 QPDFAcroFormDocumentHelper::analyze()
 {
-    if (this->m->cache_valid)
-    {
+    if (this->m->cache_valid) {
         return;
     }
     this->m->cache_valid = true;
     QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
-    if (! (acroform.isDictionary() && acroform.hasKey("/Fields")))
-    {
+    if (!(acroform.isDictionary() && acroform.hasKey("/Fields"))) {
         return;
     }
     QPDFObjectHandle fields = acroform.getKey("/Fields");
-    if (! fields.isArray())
-    {
+    if (!fields.isArray()) {
         QTC::TC("qpdf", "QPDFAcroFormDocumentHelper fields not array");
         acroform.warnIfPossible(
             "/Fields key of /AcroForm dictionary is not an array; ignoring");
@@ -114,10 +279,9 @@
     // bidirectionally to fields.
 
     std::set<QPDFObjGen> visited;
-    size_t nfields = fields.getArrayNItems();
+    int nfields = fields.getArrayNItems();
     QPDFObjectHandle null(QPDFObjectHandle::newNull());
-    for (size_t i = 0; i < nfields; ++i)
-    {
+    for (int i = 0; i < nfields; ++i) {
         traverseField(fields.getArrayItem(i), null, 0, visited);
     }
 
@@ -130,22 +294,11 @@
     // a file that contains this kind of error will probably not
     // actually work with most viewers.
 
-    QPDFPageDocumentHelper dh(this->qpdf);
-    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter)
-    {
-        QPDFPageObjectHelper ph(*iter);
-        std::vector<QPDFAnnotationObjectHelper> annots =
-            getWidgetAnnotationsForPage(ph);
-        for (std::vector<QPDFAnnotationObjectHelper>::iterator i2 =
-                 annots.begin();
-             i2 != annots.end(); ++i2)
-        {
-            QPDFObjectHandle annot((*i2).getObjectHandle());
+    for (auto const& ph: QPDFPageDocumentHelper(this->qpdf).getAllPages()) {
+        for (auto const& iter: getWidgetAnnotationsForPage(ph)) {
+            QPDFObjectHandle annot(iter.getObjectHandle());
             QPDFObjGen og(annot.getObjGen());
-            if (this->m->annotation_to_field.count(og) == 0)
-            {
+            if (this->m->annotation_to_field.count(og) == 0) {
                 QTC::TC("qpdf", "QPDFAcroFormDocumentHelper orphaned widget");
                 // This is not supposed to happen, but it's easy
                 // enough for us to handle this case. Treat the
@@ -168,25 +321,24 @@
 
 void
 QPDFAcroFormDocumentHelper::traverseField(
-    QPDFObjectHandle field, QPDFObjectHandle parent, int depth,
+    QPDFObjectHandle field,
+    QPDFObjectHandle parent,
+    int depth,
     std::set<QPDFObjGen>& visited)
 {
-    if (depth > 100)
-    {
+    if (depth > 100) {
         // Arbitrarily cut off recursion at a fixed depth to avoid
         // specially crafted files that could cause stack overflow.
         return;
     }
-    if (! field.isIndirect())
-    {
+    if (!field.isIndirect()) {
         QTC::TC("qpdf", "QPDFAcroFormDocumentHelper direct field");
         field.warnIfPossible(
             "encountered a direct object as a field or annotation while"
             " traversing /AcroForm; ignoring field or annotation");
         return;
     }
-    if (! field.isDictionary())
-    {
+    if (!field.isDictionary()) {
         QTC::TC("qpdf", "QPDFAcroFormDocumentHelper non-dictionary field");
         field.warnIfPossible(
             "encountered a non-dictionary as a field or annotation while"
@@ -194,8 +346,7 @@
         return;
     }
     QPDFObjGen og(field.getObjGen());
-    if (visited.count(og) != 0)
-    {
+    if (visited.count(og) != 0) {
         QTC::TC("qpdf", "QPDFAcroFormDocumentHelper loop");
         field.warnIfPossible("loop detected while traversing /AcroForm");
         return;
@@ -213,41 +364,49 @@
     bool is_annotation = false;
     bool is_field = (0 == depth);
     QPDFObjectHandle kids = field.getKey("/Kids");
-    if (kids.isArray())
-    {
+    if (kids.isArray()) {
         is_field = true;
-        size_t nkids = kids.getArrayNItems();
-        for (size_t k = 0; k < nkids; ++k)
-        {
+        int nkids = kids.getArrayNItems();
+        for (int k = 0; k < nkids; ++k) {
             traverseField(kids.getArrayItem(k), field, 1 + depth, visited);
         }
-    }
-    else
-    {
-        if (field.hasKey("/Parent"))
-        {
+    } else {
+        if (field.hasKey("/Parent")) {
             is_field = true;
         }
-        if (field.hasKey("/Subtype") ||
-            field.hasKey("/Rect") ||
-            field.hasKey("/AP"))
-        {
+        if (field.hasKey("/Subtype") || field.hasKey("/Rect") ||
+            field.hasKey("/AP")) {
             is_annotation = true;
         }
     }
 
-    QTC::TC("qpdf", "QPDFAcroFormDocumentHelper field found",
-            (depth == 0) ? 0 : 1);
-    QTC::TC("qpdf", "QPDFAcroFormDocumentHelper annotation found",
-            (is_field ? 0 : 1));
+    QTC::TC(
+        "qpdf", "QPDFAcroFormDocumentHelper field found", (depth == 0) ? 0 : 1);
+    QTC::TC(
+        "qpdf",
+        "QPDFAcroFormDocumentHelper annotation found",
+        (is_field ? 0 : 1));
 
-    if (is_annotation)
-    {
+    if (is_annotation) {
         QPDFObjectHandle our_field = (is_field ? field : parent);
         this->m->field_to_annotationsour_field.getObjGen().push_back(
             QPDFAnnotationObjectHelper(field));
-        this->m->annotation_to_fieldog =
-            QPDFFormFieldObjectHelper(our_field);
+        this->m->annotation_to_fieldog = QPDFFormFieldObjectHelper(our_field);
+    }
+
+    if (is_field && (field.hasKey("/T"))) {
+        QPDFFormFieldObjectHelper foh(field);
+        auto f_og = field.getObjGen();
+        std::string name = foh.getFullyQualifiedName();
+        auto old = this->m->field_to_name.find(f_og);
+        if (old != this->m->field_to_name.end()) {
+            // We might be updating after a name change, so remove any
+            // old information
+            std::string old_name = old->second;
+            this->m->name_to_fieldsold_name.erase(f_og);
+        }
+        this->m->field_to_namef_og = name;
+        this->m->name_to_fieldsname.insert(f_og);
     }
 }
 
@@ -257,8 +416,7 @@
     bool result = false;
     QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
     if (acroform.isDictionary() &&
-        acroform.getKey("/NeedAppearances").isBool())
-    {
+        acroform.getKey("/NeedAppearances").isBool()) {
         result = acroform.getKey("/NeedAppearances").getBoolValue();
     }
     return result;
@@ -268,20 +426,16 @@
 QPDFAcroFormDocumentHelper::setNeedAppearances(bool val)
 {
     QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
-    if (! acroform.isDictionary())
-    {
+    if (!acroform.isDictionary()) {
         this->qpdf.getRoot().warnIfPossible(
             "ignoring call to QPDFAcroFormDocumentHelper::setNeedAppearances"
             " on a file that lacks an /AcroForm dictionary");
         return;
     }
-    if (val)
-    {
-        acroform.replaceKey("/NeedAppearances",
-                            QPDFObjectHandle::newBool(true));
-    }
-    else
-    {
+    if (val) {
+        acroform.replaceKey(
+            "/NeedAppearances", QPDFObjectHandle::newBool(true));
+    } else {
         acroform.removeKey("/NeedAppearances");
     }
 }
@@ -289,44 +443,715 @@
 void
 QPDFAcroFormDocumentHelper::generateAppearancesIfNeeded()
 {
-    if (! getNeedAppearances())
-    {
+    if (!getNeedAppearances()) {
         return;
     }
 
-    QPDFPageDocumentHelper pdh(this->qpdf);
-    std::vector<QPDFPageObjectHelper> pages = pdh.getAllPages();
-    for (std::vector<QPDFPageObjectHelper>::iterator page_iter =
-             pages.begin();
-         page_iter != pages.end(); ++page_iter)
-    {
-        std::vector<QPDFAnnotationObjectHelper> annotations =
-            getWidgetAnnotationsForPage(*page_iter);
-        for (std::vector<QPDFAnnotationObjectHelper>::iterator annot_iter =
-                 annotations.begin();
-             annot_iter != annotations.end(); ++annot_iter)
-        {
-            QPDFAnnotationObjectHelper& aoh = *annot_iter;
-            QPDFFormFieldObjectHelper ffh =
-                getFieldForAnnotation(aoh);
-            if (ffh.getFieldType() == "/Btn")
-            {
+    for (auto const& page: QPDFPageDocumentHelper(this->qpdf).getAllPages()) {
+        for (auto& aoh: getWidgetAnnotationsForPage(page)) {
+            QPDFFormFieldObjectHelper ffh = getFieldForAnnotation(aoh);
+            if (ffh.getFieldType() == "/Btn") {
                 // Rather than generating appearances for button
                 // fields, rely on what's already there. Just make
                 // sure /AS is consistent with /V, which we can do by
                 // resetting the value of the field back to itself.
                 // This code is referenced in a comment in
                 // QPDFFormFieldObjectHelper::generateAppearance.
-                if (ffh.isRadioButton() || ffh.isCheckbox())
-                {
+                if (ffh.isRadioButton() || ffh.isCheckbox()) {
                     ffh.setV(ffh.getValue());
                 }
-            }
-            else
-            {
+            } else {
                 ffh.generateAppearance(aoh);
             }
         }
     }
     setNeedAppearances(false);
 }
+
+void
+QPDFAcroFormDocumentHelper::adjustInheritedFields(
+    QPDFObjectHandle obj,
+    bool override_da,
+    std::string const& from_default_da,
+    bool override_q,
+    int from_default_q)
+{
+    // Override /Q or /DA if needed. If this object has a field type,
+    // directly or inherited, it is a field and not just an
+    // annotation. In that case, we need to override if we are getting
+    // a value from the document that is different from the value we
+    // would have gotten from the old document. We must take care not
+    // to override an explicit value. It's possible that /FT may be
+    // inherited by lower fields that may explicitly set /DA or /Q or
+    // that this is a field whose type does not require /DA or /Q and
+    // we may be put a value on the field that is unused. This is
+    // harmless, so it's not worth trying to work around.
+
+    auto has_explicit = (QPDFFormFieldObjectHelper& field,
+                           std::string const& key) {
+        if (field.getObjectHandle().hasKey(key)) {
+            return true;
+        }
+        auto oh = field.getInheritableFieldValue(key);
+        if (!oh.isNull()) {
+            return true;
+        }
+        return false;
+    };
+
+    if (override_da || override_q) {
+        QPDFFormFieldObjectHelper cur_field(obj);
+        if (override_da && (!has_explicit(cur_field, "/DA"))) {
+            std::string da = cur_field.getDefaultAppearance();
+            if (da != from_default_da) {
+                QTC::TC("qpdf", "QPDFAcroFormDocumentHelper override da");
+                obj.replaceKey(
+                    "/DA", QPDFObjectHandle::newUnicodeString(from_default_da));
+            }
+        }
+        if (override_q && (!has_explicit(cur_field, "/Q"))) {
+            int q = cur_field.getQuadding();
+            if (q != from_default_q) {
+                QTC::TC("qpdf", "QPDFAcroFormDocumentHelper override q");
+                obj.replaceKey(
+                    "/Q", QPDFObjectHandle::newInteger(from_default_q));
+            }
+        }
+    }
+}
+
+namespace
+{
+    class ResourceReplacer: public QPDFObjectHandle::TokenFilter
+    {
+      public:
+        ResourceReplacer(
+            std::map<std::string, std::map<std::string, std::string>> const&
+                dr_map,
+            std::map<
+                std::string,
+                std::map<std::string, std::set<size_t>>> const& rnames);
+        virtual ~ResourceReplacer() = default;
+        virtual void handleToken(QPDFTokenizer::Token const&) override;
+
+      private:
+        size_t offset;
+        std::map<std::string, std::map<size_t, std::string>> to_replace;
+    };
+} // namespace
+
+ResourceReplacer::ResourceReplacer(
+    std::map<std::string, std::map<std::string, std::string>> const& dr_map,
+    std::map<std::string, std::map<std::string, std::set<size_t>>> const&
+        rnames) :
+    offset(0)
+{
+    // We have:
+    // * dr_mapresource_typekey == new_key
+    // * rnamesresource_typekey == set of offsets
+    //
+    // We want:
+    // * to_replacekeyoffset = new_key
+
+    for (auto const& rn_iter: rnames) {
+        std::string const& rtype = rn_iter.first;
+        auto dr_map_rtype = dr_map.find(rtype);
+        if (dr_map_rtype == dr_map.end()) {
+            continue;
+        }
+        auto const& key_offsets = rn_iter.second;
+        for (auto const& ko_iter: key_offsets) {
+            std::string const& old_key = ko_iter.first;
+            auto dr_map_rtype_old = dr_map_rtype->second.find(old_key);
+            if (dr_map_rtype_old == dr_map_rtype->second.end()) {
+                continue;
+            }
+            auto const& offsets = ko_iter.second;
+            for (auto const& o_iter: offsets) {
+                to_replaceold_keyo_iter = dr_map_rtype_old->second;
+            }
+        }
+    }
+}
+
+void
+ResourceReplacer::handleToken(QPDFTokenizer::Token const& token)
+{
+    bool wrote = false;
+    if (token.getType() == QPDFTokenizer::tt_name) {
+        std::string name =
+            QPDFObjectHandle::newName(token.getValue()).getName();
+        if (to_replace.count(name) && to_replacename.count(offset)) {
+            QTC::TC("qpdf", "QPDFAcroFormDocumentHelper replaced DA token");
+            write(to_replacenameoffset);
+            wrote = true;
+        }
+    }
+    this->offset += token.getRawValue().length();
+    if (!wrote) {
+        writeToken(token);
+    }
+}
+
+void
+QPDFAcroFormDocumentHelper::adjustDefaultAppearances(
+    QPDFObjectHandle obj,
+    std::map<std::string, std::map<std::string, std::string>> const& dr_map)
+{
+    // This method is called on a field that has been copied from
+    // another file but whose /DA still refers to resources in the
+    // original file's /DR.
+
+    // When appearance streams are generated for variable text fields
+    // (see ISO 32000 PDF spec section 12.7.3.3), the field's /DA is
+    // used to generate content of the appearance stream. /DA contains
+    // references to resources that may be resolved in the document's
+    // /DR dictionary, which appears in the document's /AcroForm
+    // dictionary. For fields that we copied from other documents, we
+    // need to ensure that resources are mapped correctly in the case
+    // of conflicting names. For example, if a.pdf's /DR has /F1
+    // pointing to one font and b.pdf's /DR also has /F1 but it points
+    // elsewhere, we need to make sure appearance streams of fields
+    // copied from b.pdf into a.pdf use whatever font /F1 meant in
+    // b.pdf, not whatever it means in a.pdf. This method takes care
+    // of that. It is only called on fields copied from foreign files.
+
+    // A few notes:
+    //
+    // * If the from document's /DR and the current document's /DR
+    //   have conflicting keys, we have already resolved the conflicts
+    //   before calling this method. The dr_map parameter contains the
+    //   mapping from old keys to new keys.
+    //
+    // * /DA may be inherited from the document's /AcroForm
+    //   dictionary. By the time this method has been called, we have
+    //   already copied any document-level values into the fields to
+    //   avoid having them inherit from the new document. This was
+    //   done in adjustInheritedFields.
+
+    auto DA = obj.getKey("/DA");
+    if (!DA.isString()) {
+        return;
+    }
+
+    // Find names in /DA. /DA is a string that contains content
+    // stream-like code, so we create a stream out of the string and
+    // then filter it. We don't attach the stream to anything, so it
+    // will get discarded.
+    ResourceFinder rf;
+    auto da_stream =
+        QPDFObjectHandle::newStream(&this->qpdf, DA.getUTF8Value());
+    try {
+        auto nwarnings = this->qpdf.numWarnings();
+        da_stream.parseAsContents(&rf);
+        if (this->qpdf.numWarnings() > nwarnings) {
+            QTC::TC("qpdf", "QPDFAcroFormDocumentHelper /DA parse error");
+        }
+    } catch (std::exception& e) {
+        // No way to reproduce in test suite right now since error
+        // conditions are converted to warnings.
+        obj.warnIfPossible(
+            std::string("Unable to parse /DA: ") + e.what() +
+            "; this form field may not update properly");
+        return;
+    }
+
+    // Regenerate /DA by filtering its tokens.
+    ResourceReplacer rr(dr_map, rf.getNamesByResourceType());
+    Pl_Buffer buf_pl("filtered DA");
+    da_stream.filterAsContents(&rr, &buf_pl);
+    auto buf = buf_pl.getBufferSharedPointer();
+    std::string new_da(
+        reinterpret_cast<char*>(buf->getBuffer()), buf->getSize());
+    obj.replaceKey("/DA", QPDFObjectHandle::newString(new_da));
+}
+
+void
+QPDFAcroFormDocumentHelper::adjustAppearanceStream(
+    QPDFObjectHandle stream,
+    std::map<std::string, std::map<std::string, std::string>> dr_map)
+{
+    // We don't have to modify appearance streams or their resource
+    // dictionaries for them to display properly, but we need to do so
+    // to make them save to regenerate. Suppose an appearance stream
+    // as a font /F1 that is different from /F1 in /DR, and that when
+    // we copy the field, /F1 is remapped to /F1_1. When the field is
+    // regenerated, /F1_1 won't appear in the stream's resource
+    // dictionary, so the regenerated appearance stream will revert to
+    // the /F1_1 in /DR. If we adjust existing appearance streams, we
+    // are protected from this problem.
+
+    auto dict = stream.getDict();
+    auto resources = dict.getKey("/Resources");
+
+    // Make sure this stream has its own private resource dictionary.
+    bool was_indirect = resources.isIndirect();
+    resources = resources.shallowCopy();
+    if (was_indirect) {
+        resources = this->qpdf.makeIndirectObject(resources);
+    }
+    dict.replaceKey("/Resources", resources);
+    // Create a dictionary with top-level keys so we can use
+    // mergeResources to force them to be unshared. We will also use
+    // this to resolve conflicts that may already be in the resource
+    // dictionary.
+    auto merge_with = QPDFObjectHandle::newDictionary();
+    for (auto const& top_key: dr_map) {
+        merge_with.replaceKey(top_key.first, QPDFObjectHandle::newDictionary());
+    }
+    resources.mergeResources(merge_with);
+    // Rename any keys in the resource dictionary that we
+    // remapped.
+    for (auto const& i1: dr_map) {
+        std::string const& top_key = i1.first;
+        auto subdict = resources.getKey(top_key);
+        if (!subdict.isDictionary()) {
+            continue;
+        }
+        for (auto const& i2: i1.second) {
+            std::string const& old_key = i2.first;
+            std::string const& new_key = i2.second;
+            auto existing_new = subdict.getKey(new_key);
+            if (!existing_new.isNull()) {
+                // The resource dictionary already has a key in it
+                // matching what we remapped an old key to, so we'll
+                // have to move it out of the way. Stick it in
+                // merge_with, which we will re-merge with the
+                // dictionary when we're done. We know merge_with
+                // already has dictionaries for all the top keys.
+                QTC::TC("qpdf", "QPDFAcroFormDocumentHelper ap conflict");
+                merge_with.getKey(top_key).replaceKey(new_key, existing_new);
+            }
+            auto existing_old = subdict.getKey(old_key);
+            if (!existing_old.isNull()) {
+                QTC::TC("qpdf", "QPDFAcroFormDocumentHelper ap rename");
+                subdict.replaceKey(new_key, existing_old);
+                subdict.removeKey(old_key);
+            }
+        }
+    }
+    // Deal with any any conflicts by re-merging with merge_with and
+    // updating our local copy of dr_map, which we will use to modify
+    // the stream contents.
+    resources.mergeResources(merge_with, &dr_map);
+    // Remove empty subdictionaries
+    for (auto iter: resources.ditems()) {
+        if (iter.second.isDictionary() && (iter.second.getKeys().size() == 0)) {
+            resources.removeKey(iter.first);
+        }
+    }
+
+    // Now attach a token filter to replace the actual resources.
+    ResourceFinder rf;
+    try {
+        auto nwarnings = this->qpdf.numWarnings();
+        stream.parseAsContents(&rf);
+        if (this->qpdf.numWarnings() > nwarnings) {
+            QTC::TC("qpdf", "QPDFAcroFormDocumentHelper AP parse error");
+        }
+        auto rr = new ResourceReplacer(dr_map, rf.getNamesByResourceType());
+        auto tf = std::shared_ptr<QPDFObjectHandle::TokenFilter>(rr);
+        stream.addTokenFilter(tf);
+    } catch (std::exception& e) {
+        // No way to reproduce in test suite right now since error
+        // conditions are converted to warnings.
+        stream.warnIfPossible(
+            std::string("Unable to parse appearance stream: ") + e.what());
+    }
+}
+
+void
+QPDFAcroFormDocumentHelper::transformAnnotations(
+    QPDFObjectHandle old_annots,
+    std::vector<QPDFObjectHandle>& new_annots,
+    std::vector<QPDFObjectHandle>& new_fields,
+    std::set<QPDFObjGen>& old_fields,
+    QPDFMatrix const& cm,
+    QPDF* from_qpdf,
+    QPDFAcroFormDocumentHelper* from_afdh)
+{
+    std::shared_ptr<QPDFAcroFormDocumentHelper> afdhph;
+    if (!from_qpdf) {
+        // Assume these are from the same QPDF.
+        from_qpdf = &this->qpdf;
+        from_afdh = this;
+    } else if ((from_qpdf != &this->qpdf) && (!from_afdh)) {
+        afdhph = std::make_shared<QPDFAcroFormDocumentHelper>(*from_qpdf);
+        from_afdh = afdhph.get();
+    }
+    bool foreign = (from_qpdf != &this->qpdf);
+
+    // It's possible that we will transform annotations that don't
+    // include any form fields. This code takes care not to muck
+    // around with /AcroForm unless we have to.
+
+    QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
+    QPDFObjectHandle from_acroform = from_qpdf->getRoot().getKey("/AcroForm");
+
+    // /DA and /Q may be inherited from the document-level /AcroForm
+    // dictionary. If we are copying a foreign stream and the stream
+    // is getting one of these values from its document's /AcroForm,
+    // we will need to copy the value explicitly so that it doesn't
+    // start getting its default from the destination document.
+    bool override_da = false;
+    bool override_q = false;
+    std::string from_default_da;
+    int from_default_q = 0;
+    // If we copy any form fields, we will need to merge the source
+    // document's /DR into this document's /DR.
+    QPDFObjectHandle from_dr = QPDFObjectHandle::newNull();
+    if (foreign) {
+        std::string default_da;
+        int default_q = 0;
+        if (acroform.isDictionary()) {
+            if (acroform.getKey("/DA").isString()) {
+                default_da = acroform.getKey("/DA").getUTF8Value();
+            }
+            if (acroform.getKey("/Q").isInteger()) {
+                default_q = acroform.getKey("/Q").getIntValueAsInt();
+            }
+        }
+        if (from_acroform.isDictionary()) {
+            if (from_acroform.getKey("/DR").isDictionary()) {
+                from_dr = from_acroform.getKey("/DR");
+                if (!from_dr.isIndirect()) {
+                    from_dr = from_qpdf->makeIndirectObject(from_dr);
+                }
+                from_dr = this->qpdf.copyForeignObject(from_dr);
+            }
+            if (from_acroform.getKey("/DA").isString()) {
+                from_default_da = from_acroform.getKey("/DA").getUTF8Value();
+            }
+            if (from_acroform.getKey("/Q").isInteger()) {
+                from_default_q = from_acroform.getKey("/Q").getIntValueAsInt();
+            }
+        }
+        if (from_default_da != default_da) {
+            override_da = true;
+        }
+        if (from_default_q != default_q) {
+            override_q = true;
+        }
+    }
+
+    // If we have to merge /DR, we will need a mapping of conflicting
+    // keys for rewriting /DA. Set this up for lazy initialization in
+    // case we encounter any form fields.
+    std::map<std::string, std::map<std::string, std::string>> dr_map;
+    bool initialized_dr_map = false;
+    QPDFObjectHandle dr = QPDFObjectHandle::newNull();
+    auto init_dr_map = &() {
+        if (!initialized_dr_map) {
+            initialized_dr_map = true;
+            // Ensure that we have a /DR that is an indirect
+            // dictionary object.
+            if (!acroform.isDictionary()) {
+                acroform = getOrCreateAcroForm();
+            }
+            dr = acroform.getKey("/DR");
+            if (!dr.isDictionary()) {
+                dr = QPDFObjectHandle::newDictionary();
+            }
+            dr.makeResourcesIndirect(this->qpdf);
+            if (!dr.isIndirect()) {
+                dr = acroform.replaceKeyAndGetNew(
+                    "/DR", this->qpdf.makeIndirectObject(dr));
+            }
+            // Merge the other document's /DR, creating a conflict
+            // map. mergeResources checks to make sure both objects
+            // are dictionaries. By this point, if this is foreign,
+            // from_dr has been copied, so we use the target qpdf as
+            // the owning qpdf.
+            from_dr.makeResourcesIndirect(this->qpdf);
+            dr.mergeResources(from_dr, &dr_map);
+
+            if (from_afdh->getNeedAppearances()) {
+                setNeedAppearances(true);
+            }
+        }
+    };
+
+    // This helper prevents us from copying the same object
+    // multiple times.
+    std::map<QPDFObjGen, QPDFObjectHandle> orig_to_copy;
+    auto maybe_copy_object = &(QPDFObjectHandle& to_copy) {
+        auto og = to_copy.getObjGen();
+        if (orig_to_copy.count(og)) {
+            to_copy = orig_to_copyog;
+            return false;
+        } else {
+            to_copy = this->qpdf.makeIndirectObject(to_copy.shallowCopy());
+            orig_to_copyog = to_copy;
+            return true;
+        }
+    };
+
+    // Now do the actual copies.
+
+    std::set<QPDFObjGen> added_new_fields;
+    for (auto annot: old_annots.aitems()) {
+        if (annot.isStream()) {
+            annot.warnIfPossible("ignoring annotation that's a stream");
+            continue;
+        }
+
+        // Make copies of annotations and fields down to the
+        // appearance streams, preserving all internal referential
+        // integrity. When the incoming annotations are from a
+        // different file, we first copy them locally. Then, whether
+        // local or foreign, we copy them again so that if we bring
+        // the same annotation in multiple times (e.g. overlaying a
+        // foreign page onto multiple local pages or a local page onto
+        // multiple other local pages), we don't create annotations
+        // that are referenced in more than one place. If we did that,
+        // the effect of applying transformations would be cumulative,
+        // which is definitely not what we want. Besides, annotations
+        // and fields are not intended to be referenced in multiple
+        // places.
+
+        // Determine if this annotation is attached to a form field.
+        // If so, the annotation may be the same object as the form
+        // field, or the form field may have the annotation as a kid.
+        // In either case, we have to walk up the field structure to
+        // find the top-level field. Within one iteration through a
+        // set of annotations, we don't want to copy the same item
+        // more than once. For example, suppose we have field A with
+        // kids B, C, and D, each of which has annotations BA, CA, and
+        // DA. When we get to BA, we will find that BA is a kid of B
+        // which is under A. When we do a copyForeignObject of A, it
+        // will also copy everything else because of the indirect
+        // references. When we clone BA, we will want to clone A and
+        // then update A's clone's kid to point B's clone and B's
+        // clone's parent to point to A's clone. The same thing holds
+        // for annotations. Next, when we get to CA, we will again
+        // discover that A is the top, but we don't want to re-copy A.
+        // We want CA's clone to be linked to the same clone as BA's.
+        // Failure to do this will break up things like radio button
+        // groups, which all have to kids of the same parent.
+
+        auto ffield = from_afdh->getFieldForAnnotation(annot);
+        auto ffield_oh = ffield.getObjectHandle();
+        QPDFObjectHandle top_field;
+        bool have_field = false;
+        bool have_parent = false;
+        if (ffield_oh.isStream()) {
+            ffield_oh.warnIfPossible("ignoring form field that's a stream");
+        } else if ((!ffield_oh.isNull()) && (!ffield_oh.isIndirect())) {
+            ffield_oh.warnIfPossible("ignoring form field not indirect");
+        } else if (!ffield_oh.isNull()) {
+            // A field and its associated annotation can be the same
+            // object. This matters because we don't want to clone the
+            // annotation and field separately in this case.
+            have_field = true;
+            // Find the top-level field. It may be the field itself.
+            top_field = ffield.getTopLevelField(&have_parent).getObjectHandle();
+            if (foreign) {
+                // copyForeignObject returns the same value if called
+                // multiple times with the same field. Create/retrieve
+                // the local copy of the original field. This pulls
+                // over everything the field references including
+                // annotations and appearance streams, but it's
+                // harmless to call copyForeignObject on them too.
+                // They will already be copied, so we'll get the right
+                // object back.
+
+                // top_field and ffield_oh are known to be indirect.
+                top_field = this->qpdf.copyForeignObject(top_field);
+                ffield_oh = this->qpdf.copyForeignObject(ffield_oh);
+            } else {
+                // We don't need to add top_field to old_fields if
+                // it's foreign because the new copy of the foreign
+                // field won't be referenced anywhere. It's just the
+                // starting point for us to make an additional local
+                // copy of.
+                old_fields.insert(top_field.getObjGen());
+            }
+
+            // Traverse the field, copying kids, and preserving
+            // integrity.
+            std::list<QPDFObjectHandle> queue;
+            if (maybe_copy_object(top_field)) {
+                queue.push_back(top_field);
+            }
+            std::set<QPDFObjGen> seen;
+            while (!queue.empty()) {
+                QPDFObjectHandle obj = queue.front();
+                queue.pop_front();
+                auto orig_og = obj.getObjGen();
+                if (seen.count(orig_og)) {
+                    // loop
+                    break;
+                }
+                seen.insert(orig_og);
+                auto parent = obj.getKey("/Parent");
+                if (parent.isIndirect()) {
+                    auto parent_og = parent.getObjGen();
+                    if (orig_to_copy.count(parent_og)) {
+                        obj.replaceKey("/Parent", orig_to_copyparent_og);
+                    } else {
+                        parent.warnIfPossible(
+                            "while traversing field " +
+                            obj.getObjGen().unparse(',') + ", found parent (" +
+                            parent_og.unparse(',') +
+                            ") that had not been seen, indicating likely"
+                            " invalid field structure");
+                    }
+                }
+                auto kids = obj.getKey("/Kids");
+                if (kids.isArray()) {
+                    for (int i = 0; i < kids.getArrayNItems(); ++i) {
+                        auto kid = kids.getArrayItem(i);
+                        if (maybe_copy_object(kid)) {
+                            kids.setArrayItem(i, kid);
+                            queue.push_back(kid);
+                        }
+                    }
+                }
+
+                if (override_da || override_q) {
+                    adjustInheritedFields(
+                        obj,
+                        override_da,
+                        from_default_da,
+                        override_q,
+                        from_default_q);
+                }
+                if (foreign) {
+                    // Lazily initialize our /DR and the conflict map.
+                    init_dr_map();
+                    // The spec doesn't say anything about /DR on the
+                    // field, but lots of writers put one there, and
+                    // it is frequently the same as the document-level
+                    // /DR. To avoid having the field's /DR point to
+                    // information that we are not maintaining, just
+                    // reset it to that if it exists. Empirical
+                    // evidence suggests that many readers, including
+                    // Acrobat, Adobe Acrobat Reader, chrome, firefox,
+                    // the mac Preview application, and several of the
+                    // free readers on Linux all ignore /DR at the
+                    // field level.
+                    if (obj.hasKey("/DR")) {
+                        obj.replaceKey("/DR", dr);
+                    }
+                }
+                if (foreign && obj.getKey("/DA").isString() &&
+                    (!dr_map.empty())) {
+                    adjustDefaultAppearances(obj, dr_map);
+                }
+            }
+
+            // Now switch to copies. We already switched for top_field
+            maybe_copy_object(ffield_oh);
+            ffield = QPDFFormFieldObjectHelper(ffield_oh);
+        }
+
+        QTC::TC(
+            "qpdf",
+            "QPDFAcroFormDocumentHelper copy annotation",
+            (have_field ? 1 : 0) | (foreign ? 2 : 0));
+        if (have_field) {
+            QTC::TC(
+                "qpdf",
+                "QPDFAcroFormDocumentHelper field with parent",
+                (have_parent ? 1 : 0) | (foreign ? 2 : 0));
+        }
+        if (foreign) {
+            if (!annot.isIndirect()) {
+                annot = from_qpdf->makeIndirectObject(annot);
+            }
+            annot = this->qpdf.copyForeignObject(annot);
+        }
+        maybe_copy_object(annot);
+
+        // Now we have copies, so we can safely mutate.
+        if (have_field && !added_new_fields.count(top_field.getObjGen())) {
+            new_fields.push_back(top_field);
+            added_new_fields.insert(top_field.getObjGen());
+        }
+        new_annots.push_back(annot);
+
+        // Identify and copy any appearance streams
+
+        auto ah = QPDFAnnotationObjectHelper(annot);
+        auto apdict = ah.getAppearanceDictionary();
+        std::vector<QPDFObjectHandle> streams;
+        auto replace_stream = (auto& dict, auto& key, auto& old) {
+            return dict.replaceKeyAndGetNew(key, old.copyStream());
+        };
+        if (apdict.isDictionary()) {
+            for (auto& ap: apdict.ditems()) {
+                if (ap.second.isStream()) {
+                    streams.push_back(
+                        replace_stream(apdict, ap.first, ap.second));
+                } else if (ap.second.isDictionary()) {
+                    for (auto& ap2: ap.second.ditems()) {
+                        if (ap2.second.isStream()) {
+                            streams.push_back(
+                                // line-break
+                                replace_stream(
+                                    ap.second, ap2.first, ap2.second));
+                        }
+                    }
+                }
+            }
+        }
+
+        // Now we can safely mutate the annotation and its appearance
+        // streams.
+        for (auto& stream: streams) {
+            auto dict = stream.getDict();
+            auto omatrix = dict.getKey("/Matrix");
+            QPDFMatrix apcm;
+            if (omatrix.isArray()) {
+                QTC::TC("qpdf", "QPDFAcroFormDocumentHelper modify ap matrix");
+                auto m1 = omatrix.getArrayAsMatrix();
+                apcm = QPDFMatrix(m1);
+            }
+            apcm.concat(cm);
+            auto new_matrix = QPDFObjectHandle::newFromMatrix(apcm);
+            if (omatrix.isArray() || (apcm != QPDFMatrix())) {
+                dict.replaceKey("/Matrix", new_matrix);
+            }
+            auto resources = dict.getKey("/Resources");
+            if ((!dr_map.empty()) && resources.isDictionary()) {
+                adjustAppearanceStream(stream, dr_map);
+            }
+        }
+        auto rect =
+            cm.transformRectangle(annot.getKey("/Rect").getArrayAsRectangle());
+        annot.replaceKey("/Rect", QPDFObjectHandle::newFromRectangle(rect));
+    }
+}
+
+void
+QPDFAcroFormDocumentHelper::fixCopiedAnnotations(
+    QPDFObjectHandle to_page,
+    QPDFObjectHandle from_page,
+    QPDFAcroFormDocumentHelper& from_afdh,
+    std::set<QPDFObjGen>* added_fields)
+{
+    auto old_annots = from_page.getKey("/Annots");
+    if ((!old_annots.isArray()) || (old_annots.getArrayNItems() == 0)) {
+        return;
+    }
+
+    std::vector<QPDFObjectHandle> new_annots;
+    std::vector<QPDFObjectHandle> new_fields;
+    std::set<QPDFObjGen> old_fields;
+    transformAnnotations(
+        old_annots,
+        new_annots,
+        new_fields,
+        old_fields,
+        QPDFMatrix(),
+        &(from_afdh.getQPDF()),
+        &from_afdh);
+
+    to_page.replaceKey("/Annots", QPDFObjectHandle::newArray(new_annots));
+    addAndRenameFormFields(new_fields);
+    if (added_fields) {
+        for (auto f: new_fields) {
+            added_fields->insert(f.getObjGen());
+        }
+    }
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFAnnotationObjectHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFAnnotationObjectHelper.cc Changed

@@ -1,17 +1,10 @@
 #include <qpdf/QPDFAnnotationObjectHelper.hh>
-#include <qpdf/QTC.hh>
-#include <qpdf/QPDFMatrix.hh>
-#include <qpdf/QUtil.hh>
+
 #include <qpdf/QPDF.hh>
+#include <qpdf/QPDFMatrix.hh>
 #include <qpdf/QPDFNameTreeObjectHelper.hh>
-
-QPDFAnnotationObjectHelper::Members::~Members()
-{
-}
-
-QPDFAnnotationObjectHelper::Members::Members()
-{
-}
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 
 QPDFAnnotationObjectHelper::QPDFAnnotationObjectHelper(QPDFObjectHandle oh) :
     QPDFObjectHelper(oh)
@@ -39,8 +32,7 @@
 std::string
 QPDFAnnotationObjectHelper::getAppearanceState()
 {
-    if (this->oh.getKey("/AS").isName())
-    {
+    if (this->oh.getKey("/AS").isName()) {
         QTC::TC("qpdf", "QPDFAnnotationObjectHelper AS present");
         return this->oh.getKey("/AS").getName();
     }
@@ -52,46 +44,42 @@
 QPDFAnnotationObjectHelper::getFlags()
 {
     QPDFObjectHandle flags_obj = this->oh.getKey("/F");
-    return flags_obj.isInteger() ? flags_obj.getIntValue() : 0;
+    return flags_obj.isInteger() ? flags_obj.getIntValueAsInt() : 0;
 }
 
 QPDFObjectHandle
 QPDFAnnotationObjectHelper::getAppearanceStream(
-    std::string const& which,
-    std::string const& state)
+    std::string const& which, std::string const& state)
 {
     QPDFObjectHandle ap = getAppearanceDictionary();
     std::string desired_state = state.empty() ? getAppearanceState() : state;
-    if (ap.isDictionary())
-    {
+    if (ap.isDictionary()) {
         QPDFObjectHandle ap_sub = ap.getKey(which);
-        if (ap_sub.isStream() && desired_state.empty())
-        {
+        if (ap_sub.isStream() && desired_state.empty()) {
             QTC::TC("qpdf", "QPDFAnnotationObjectHelper AP stream");
             return ap_sub;
         }
-        if (ap_sub.isDictionary() && (! desired_state.empty()))
-        {
+        if (ap_sub.isDictionary() && (!desired_state.empty())) {
             QTC::TC("qpdf", "QPDFAnnotationObjectHelper AP dictionary");
             QPDFObjectHandle ap_sub_val = ap_sub.getKey(desired_state);
-            if (ap_sub_val.isStream())
-            {
-                QTC::TC("qpdf", "QPDFAnnotationObjectHelper AN sub stream");
+            if (ap_sub_val.isStream()) {
+                QTC::TC("qpdf", "QPDFAnnotationObjectHelper AP sub stream");
                 return ap_sub_val;
             }
         }
     }
-    QTC::TC("qpdf", "QPDFAnnotationObjectHelper AN null");
+    QTC::TC("qpdf", "QPDFAnnotationObjectHelper AP null");
     return QPDFObjectHandle::newNull();
 }
 
 std::string
 QPDFAnnotationObjectHelper::getPageContentForAppearance(
-    std::string const& name, int rotate,
-    int required_flags, int forbidden_flags)
+    std::string const& name,
+    int rotate,
+    int required_flags,
+    int forbidden_flags)
 {
-    if (! getAppearanceStream("/N").isStream())
-    {
+    if (!getAppearanceStream("/N").isStream()) {
         return "";
     }
 
@@ -112,7 +100,7 @@
     //   page's rotation
 
     // When rendering a form xobject in isolation, just drawn with a
-    // /Do operator, the is no form field, so page rotation is not
+    // /Do operator, there is no form field, so page rotation is not
     // relevant, and there is no annotation, so /Rect is not relevant,
     // so only /BBox and /Matrix are relevant. The effect of these are
     // as follows:
@@ -180,35 +168,28 @@
     QPDFObjectHandle matrix_obj = as.getKey("/Matrix");
 
     int flags = getFlags();
-    if (flags & forbidden_flags)
-    {
+    if (flags & forbidden_flags) {
         QTC::TC("qpdf", "QPDFAnnotationObjectHelper forbidden flags");
         return "";
     }
-    if ((flags & required_flags) != required_flags)
-    {
+    if ((flags & required_flags) != required_flags) {
         QTC::TC("qpdf", "QPDFAnnotationObjectHelper missing required flags");
         return "";
     }
 
-    if (! (bbox_obj.isRectangle() && rect_obj.isRectangle()))
-    {
+    if (!(bbox_obj.isRectangle() && rect_obj.isRectangle())) {
         return "";
     }
     QPDFMatrix matrix;
-    if (matrix_obj.isMatrix())
-    {
+    if (matrix_obj.isMatrix()) {
         QTC::TC("qpdf", "QPDFAnnotationObjectHelper explicit matrix");
         matrix = QPDFMatrix(matrix_obj.getArrayAsMatrix());
-    }
-    else
-    {
+    } else {
         QTC::TC("qpdf", "QPDFAnnotationObjectHelper default matrix");
     }
     QPDFObjectHandle::Rectangle rect = rect_obj.getArrayAsRectangle();
     bool do_rotate = (rotate && (flags & an_no_rotate));
-    if (do_rotate)
-    {
+    if (do_rotate) {
         // If the the annotation flags include the NoRotate bit and
         // the page is rotated, we have to rotate the annotation about
         // its upper left corner by the same amount in the opposite
@@ -223,33 +204,23 @@
         matrix = mr;
         double rect_w = rect.urx - rect.llx;
         double rect_h = rect.ury - rect.lly;
-        switch (rotate)
-        {
-          case 90:
+        switch (rotate) {
+        case 90:
             QTC::TC("qpdf", "QPDFAnnotationObjectHelper rotate 90");
             rect = QPDFObjectHandle::Rectangle(
-                rect.llx,
-                rect.ury,
-                rect.llx + rect_h,
-                rect.ury + rect_w);
+                rect.llx, rect.ury, rect.llx + rect_h, rect.ury + rect_w);
             break;
-          case 180:
+        case 180:
             QTC::TC("qpdf", "QPDFAnnotationObjectHelper rotate 180");
             rect = QPDFObjectHandle::Rectangle(
-                rect.llx - rect_w,
-                rect.ury,
-                rect.llx,
-                rect.ury + rect_h);
+                rect.llx - rect_w, rect.ury, rect.llx, rect.ury + rect_h);
             break;
-          case 270:
+        case 270:
             QTC::TC("qpdf", "QPDFAnnotationObjectHelper rotate 270");
             rect = QPDFObjectHandle::Rectangle(
-                rect.llx - rect_h,
-                rect.ury - rect_w,
-                rect.llx,
-                rect.ury);
+                rect.llx - rect_h, rect.ury - rect_w, rect.llx, rect.ury);
             break;
-          default:
+        default:
             // ignore
             break;
         }
@@ -258,26 +229,21 @@
     // Transform bounding box by matrix to get T
     QPDFObjectHandle::Rectangle bbox = bbox_obj.getArrayAsRectangle();
     QPDFObjectHandle::Rectangle T = matrix.transformRectangle(bbox);
-    if ((T.urx == T.llx) || (T.ury == T.lly))
-    {
+    if ((T.urx == T.llx) || (T.ury == T.lly)) {
         // avoid division by zero
         return "";
     }
     // Compute a matrix to transform the appearance box to the rectangle
     QPDFMatrix AA;
     AA.translate(rect.llx, rect.lly);
-    AA.scale((rect.urx - rect.llx) / (T.urx - T.llx),
-             (rect.ury - rect.lly) / (T.ury - T.lly));
+    AA.scale(
+        (rect.urx - rect.llx) / (T.urx - T.llx),
+        (rect.ury - rect.lly) / (T.ury - T.lly));
     AA.translate(-T.llx, -T.lly);
-    if (do_rotate)
-    {
+    if (do_rotate) {
         AA.rotatex90(rotate);
     }
 
     as.replaceKey("/Subtype", QPDFObjectHandle::newName("/Form"));
-    return (
-        "q\n" +
-        AA.unparse() + " cm\n" +
-        name + " Do\n" +
-        "Q\n");
+    return ("q\n" + AA.unparse() + " cm\n" + name + " Do\n" + "Q\n");
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFArgParser.cc Added

@@ -0,0 +1,857 @@
+#include <qpdf/QPDFArgParser.hh>
+
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+
+QPDFArgParser::Members::Members(
+    int argc, char const* const argv, char const* progname_env) :
+
+    argc(argc),
+    argv(argv),
+    progname_env(progname_env),
+    cur_arg(0),
+    bash_completion(false),
+    zsh_completion(false),
+    option_table(nullptr),
+    final_check_handler(nullptr)
+{
+    auto tmp = QUtil::make_unique_cstr(argv0);
+    whoami = QUtil::getWhoami(tmp.get());
+}
+
+QPDFArgParser::QPDFArgParser(
+    int argc, char const* const argv, char const* progname_env) :
+    m(new Members(argc, argv, progname_env))
+{
+    selectHelpOptionTable();
+    char const* help_choices = {"all", nullptr};
+    // More help choices are added dynamically.
+    addChoices(
+        "help", bindParam(&QPDFArgParser::argHelp, this), false, help_choices);
+    addInvalidChoiceHandler(
+        "help", bindParam(&QPDFArgParser::invalidHelpArg, this));
+    addBare(
+        "completion-bash", bindBare(&QPDFArgParser::argCompletionBash, this));
+    addBare("completion-zsh", bindBare(&QPDFArgParser::argCompletionZsh, this));
+    selectMainOptionTable();
+}
+
+void
+QPDFArgParser::selectMainOptionTable()
+{
+    this->m->option_table = &this->m->main_option_table;
+    this->m->option_table_name = "main";
+}
+
+void
+QPDFArgParser::selectHelpOptionTable()
+{
+    this->m->option_table = &this->m->help_option_table;
+    this->m->option_table_name = "help";
+}
+
+void
+QPDFArgParser::selectOptionTable(std::string const& name)
+{
+    auto t = this->m->option_tables.find(name);
+    if (t == this->m->option_tables.end()) {
+        QTC::TC("libtests", "QPDFArgParser select unregistered table");
+        throw std::logic_error(
+            "QPDFArgParser: selecting unregistered option table " + name);
+    }
+    this->m->option_table = &(t->second);
+    this->m->option_table_name = name;
+}
+
+void
+QPDFArgParser::registerOptionTable(
+    std::string const& name, bare_arg_handler_t end_handler)
+{
+    if (0 != this->m->option_tables.count(name)) {
+        QTC::TC("libtests", "QPDFArgParser register registered table");
+        throw std::logic_error(
+            "QPDFArgParser: registering already registered option table " +
+            name);
+    }
+    this->m->option_tablesname;
+    selectOptionTable(name);
+    addBare("--", end_handler);
+}
+
+QPDFArgParser::OptionEntry&
+QPDFArgParser::registerArg(std::string const& arg)
+{
+    if (0 != this->m->option_table->count(arg)) {
+        QTC::TC("libtests", "QPDFArgParser duplicate handler");
+        throw std::logic_error(
+            "QPDFArgParser: adding a duplicate handler for option " + arg +
+            " in " + this->m->option_table_name + " option table");
+    }
+    return ((*this->m->option_table)arg);
+}
+
+void
+QPDFArgParser::addPositional(param_arg_handler_t handler)
+{
+    OptionEntry& oe = registerArg("");
+    oe.param_arg_handler = handler;
+}
+
+void
+QPDFArgParser::addBare(std::string const& arg, bare_arg_handler_t handler)
+{
+    OptionEntry& oe = registerArg(arg);
+    oe.parameter_needed = false;
+    oe.bare_arg_handler = handler;
+}
+
+void
+QPDFArgParser::addRequiredParameter(
+    std::string const& arg,
+    param_arg_handler_t handler,
+    char const* parameter_name)
+{
+    OptionEntry& oe = registerArg(arg);
+    oe.parameter_needed = true;
+    oe.parameter_name = parameter_name;
+    oe.param_arg_handler = handler;
+}
+
+void
+QPDFArgParser::addOptionalParameter(
+    std::string const& arg, param_arg_handler_t handler)
+{
+    OptionEntry& oe = registerArg(arg);
+    oe.parameter_needed = false;
+    oe.param_arg_handler = handler;
+}
+
+void
+QPDFArgParser::addChoices(
+    std::string const& arg,
+    param_arg_handler_t handler,
+    bool required,
+    char const** choices)
+{
+    OptionEntry& oe = registerArg(arg);
+    oe.parameter_needed = required;
+    oe.param_arg_handler = handler;
+    for (char const** i = choices; *i; ++i) {
+        oe.choices.insert(*i);
+    }
+}
+
+void
+QPDFArgParser::addInvalidChoiceHandler(
+    std::string const& arg, param_arg_handler_t handler)
+{
+    auto i = this->m->option_table->find(arg);
+    if (i == this->m->option_table->end()) {
+        QTC::TC("libtests", "QPDFArgParser invalid choice handler to unknown");
+        throw std::logic_error(
+            "QPDFArgParser: attempt to add invalid choice handler"
+            " to unknown argument");
+    }
+    auto& oe = i->second;
+    oe.invalid_choice_handler = handler;
+}
+
+void
+QPDFArgParser::addFinalCheck(bare_arg_handler_t handler)
+{
+    this->m->final_check_handler = handler;
+}
+
+bool
+QPDFArgParser::isCompleting() const
+{
+    return this->m->bash_completion;
+}
+
+int
+QPDFArgParser::argsLeft() const
+{
+    return this->m->argc - this->m->cur_arg - 1;
+}
+
+void
+QPDFArgParser::insertCompletion(std::string const& arg)
+{
+    this->m->completions.insert(arg);
+}
+
+void
+QPDFArgParser::completionCommon(bool zsh)
+{
+    std::string progname = this->m->argv0;
+    std::string executable;
+    std::string appdir;
+    std::string appimage;
+    if (QUtil::get_env(this->m->progname_env.c_str(), &executable)) {
+        progname = executable;
+    } else if (
+        QUtil::get_env("APPDIR", &appdir) &&
+        QUtil::get_env("APPIMAGE", &appimage)) {
+        // Detect if we're in an AppImage and adjust
+        if ((appdir.length() < strlen(this->m->argv0)) &&
+            (strncmp(appdir.c_str(), this->m->argv0, appdir.length()) == 0)) {
+            progname = appimage;
+        }
+    }
+    if (zsh) {
+        std::cout << "autoload -U +X bashcompinit && bashcompinit && ";
+    }
+    std::cout << "complete -o bashdefault -o default";
+    if (!zsh) {
+        std::cout << " -o nospace";
+    }
+    std::cout << " -C " << progname << " " << this->m->whoami << std::endl;
+    // Put output before error so calling from zsh works properly
+    std::string path = progname;
+    size_t slash = path.find('/');
+    if ((slash != 0) && (slash != std::string::npos)) {
+        std::cerr << "WARNING: " << this->m->whoami << " completion enabled"
+                  << " using relative path to executable" << std::endl;
+    }
+}
+
+void
+QPDFArgParser::argCompletionBash()
+{
+    completionCommon(false);
+}
+
+void
+QPDFArgParser::argCompletionZsh()
+{
+    completionCommon(true);
+}
+
+void
+QPDFArgParser::argHelp(std::string const& p)
+{
+    QPDFLogger::defaultLogger()->info(getHelp(p));
+    exit(0);
+}
+
+void
+QPDFArgParser::invalidHelpArg(std::string const& p)
+{
+    usage(std::string("unknown help option") + (p.empty() ? "" : (" " + p)));
+}
+
+void
+QPDFArgParser::handleArgFileArguments()
+{
+    // Support reading arguments from files. Create a new argv. Ensure
+    // that argv itself as well as all its contents are automatically
+    // deleted by using shared pointers to back the pointers in argv.
+    this->m->new_argv.push_back(QUtil::make_shared_cstr(this->m->argv0));
+    for (int i = 1; i < this->m->argc; ++i) {
+        char const* argfile = nullptr;
+        if ((strlen(this->m->argvi) > 1) && (this->m->argvi0 == '@')) {
+            argfile = 1 + this->m->argvi;
+            if (strcmp(argfile, "-") != 0) {
+                if (!QUtil::file_can_be_opened(argfile)) {
+                    // The file's not there; treating as regular option
+                    argfile = nullptr;
+                }
+            }
+        }
+        if (argfile) {
+            readArgsFromFile(1 + this->m->argvi);
+        } else {
+            this->m->new_argv.push_back(
+                QUtil::make_shared_cstr(this->m->argvi));
+        }
+    }
+    this->m->argv_ph =
+        QUtil::make_shared_array<char const*>(1 + this->m->new_argv.size());
+    for (size_t i = 0; i < this->m->new_argv.size(); ++i) {
+        this->m->argv_ph.get()i = this->m->new_argv.at(i).get();
+    }
+    this->m->argc = QIntC::to_int(this->m->new_argv.size());
+    this->m->argv_ph.get()this->m->argc = nullptr;
+    this->m->argv = this->m->argv_ph.get();
+}
+
+void
+QPDFArgParser::handleBashArguments()
+{
+    // Do a minimal job of parsing bash_line into arguments. This
+    // doesn't do everything the shell does (e.g. $(...), variable
+    // expansion, arithmetic, globs, etc.), but it should be good
+    // enough for purposes of handling completion. As we build up the
+    // new argv, we can't use this->m->new_argv because this code has to
+    // interoperate with @file arguments, so memory for both ways of
+    // fabricating argv has to be protected.
+
+    bool last_was_backslash = false;
+    enum { st_top, st_squote, st_dquote } state = st_top;
+    std::string arg;
+    for (char ch: this->m->bash_line) {
+        if (last_was_backslash) {
+            arg.append(1, ch);
+            last_was_backslash = false;
+        } else if (ch == '\\') {
+            last_was_backslash = true;
+        } else {
+            bool append = false;
+            switch (state) {
+            case st_top:
+                if (QUtil::is_space(ch)) {
+                    if (!arg.empty()) {
+                        this->m->bash_argv.push_back(
+                            QUtil::make_shared_cstr(arg));
+                        arg.clear();
+                    }
+                } else if (ch == '"') {
+                    state = st_dquote;
+                } else if (ch == '\'') {
+                    state = st_squote;
+                } else {
+                    append = true;
+                }
+                break;
+
+            case st_squote:
+                if (ch == '\'') {
+                    state = st_top;
+                } else {
+                    append = true;
+                }
+                break;
+
+            case st_dquote:
+                if (ch == '"') {
+                    state = st_top;
+                } else {
+                    append = true;
+                }
+                break;
+            }
+            if (append) {
+                arg.append(1, ch);
+            }
+        }
+    }
+    if (this->m->bash_argv.empty()) {
+        // This can't happen if properly invoked by bash, but ensure
+        // we have a valid argv0 regardless.
+        this->m->bash_argv.push_back(QUtil::make_shared_cstr(this->m->argv0));
+    }
+    // Explicitly discard any non-space-terminated word. The "current
+    // word" is handled specially.
+    this->m->bash_argv_ph =
+        QUtil::make_shared_array<char const*>(1 + this->m->bash_argv.size());
+    for (size_t i = 0; i < this->m->bash_argv.size(); ++i) {
+        this->m->bash_argv_ph.get()i = this->m->bash_argv.at(i).get();
+    }
+    this->m->argc = QIntC::to_int(this->m->bash_argv.size());
+    this->m->bash_argv_ph.get()this->m->argc = nullptr;
+    this->m->argv = this->m->bash_argv_ph.get();
+}
+
+void
+QPDFArgParser::usage(std::string const& message)
+{
+    if (this->m->bash_completion) {
+        // This will cause bash to fall back to regular file completion.
+        exit(0);
+    }
+    throw QPDFUsage(message);
+}
+
+void
+QPDFArgParser::readArgsFromFile(std::string const& filename)
+{
+    std::list<std::string> lines;
+    if (filename == "-") {
+        QTC::TC("libtests", "QPDFArgParser read args from stdin");
+        lines = QUtil::read_lines_from_file(std::cin);
+    } else {
+        QTC::TC("libtests", "QPDFArgParser read args from file");
+        lines = QUtil::read_lines_from_file(filename.c_str());
+    }
+    for (auto const& line: lines) {
+        this->m->new_argv.push_back(QUtil::make_shared_cstr(line));
+    }
+}
+
+void
+QPDFArgParser::checkCompletion()
+{
+    // See if we're being invoked from bash completion.
+    std::string bash_point_env;
+    // On Windows with mingw, there have been times when there appears
+    // to be no way to distinguish between an empty environment
+    // variable and an unset variable. There are also conditions under
+    // which bash doesn't set COMP_LINE. Therefore, enter this logic
+    // if either COMP_LINE or COMP_POINT are set. They will both be
+    // set together under ordinary circumstances.
+    bool got_line = QUtil::get_env("COMP_LINE", &this->m->bash_line);
+    bool got_point = QUtil::get_env("COMP_POINT", &bash_point_env);
+    if (got_line || got_point) {
+        size_t p = QUtil::string_to_uint(bash_point_env.c_str());
+        if (p < this->m->bash_line.length()) {
+            // Truncate the line. We ignore everything at or after the
+            // cursor for completion purposes.
+            this->m->bash_line = this->m->bash_line.substr(0, p);
+        }
+        if (p > this->m->bash_line.length()) {
+            p = this->m->bash_line.length();
+        }
+        // Set bash_cur and bash_prev based on bash_line rather than
+        // relying on argv. This enables us to use bashcompinit to get
+        // completion in zsh too since bashcompinit sets COMP_LINE and
+        // COMP_POINT but doesn't invoke the command with options like
+        // bash does.
+
+        // p is equal to length of the string. Walk backwards looking
+        // for the first separator. bash_cur is everything after the
+        // last separator, possibly empty.
+        char sep(0);
+        while (p > 0) {
+            --p;
+            char ch = this->m->bash_line.at(p);
+            if ((ch == ' ') || (ch == '=') || (ch == ':')) {
+                sep = ch;
+                break;
+            }
+        }
+        if (1 + p <= this->m->bash_line.length()) {
+            this->m->bash_cur =
+                this->m->bash_line.substr(1 + p, std::string::npos);
+        }
+        if ((sep == ':') || (sep == '=')) {
+            // Bash sets prev to the non-space separator if any.
+            // Actually, if there are multiple separators in a row,
+            // they are all included in prev, but that detail is not
+            // important to us and not worth coding.
+            this->m->bash_prev = this->m->bash_line.substr(p, 1);
+        } else {
+            // Go back to the last separator and set prev based on
+            // that.
+            size_t p1 = p;
+            while (p1 > 0) {
+                --p1;
+                char ch = this->m->bash_line.at(p1);
+                if ((ch == ' ') || (ch == ':') || (ch == '=')) {
+                    this->m->bash_prev =
+                        this->m->bash_line.substr(p1 + 1, p - p1 - 1);
+                    break;
+                }
+            }
+        }
+        if (this->m->bash_prev.empty()) {
+            this->m->bash_prev = this->m->bash_line.substr(0, p);
+        }
+        if (this->m->argc == 1) {
+            // This is probably zsh using bashcompinit. There are a
+            // few differences in the expected output.
+            this->m->zsh_completion = true;
+        }
+        handleBashArguments();
+        this->m->bash_completion = true;
+    }
+}
+
+void
+QPDFArgParser::parseArgs()
+{
+    selectMainOptionTable();
+    checkCompletion();
+    handleArgFileArguments();
+    for (this->m->cur_arg = 1; this->m->cur_arg < this->m->argc;
+         ++this->m->cur_arg) {
+        bool help_option = false;
+        bool end_option = false;
+        auto oep = this->m->option_table->end();
+        char const* arg = this->m->argvthis->m->cur_arg;
+        std::string parameter;
+        bool have_parameter = false;
+        std::string o_arg(arg);
+        std::string arg_s(arg);
+        if (strcmp(arg, "--") == 0) {
+            // Special case for -- option, which is used to break out
+            // of subparsers.
+            oep = this->m->option_table->find("--");
+            end_option = true;
+            if (oep == this->m->option_table->end()) {
+                // This is registered automatically, so this can't happen.
+                throw std::logic_error(
+                    "QPDFArgParser: -- handler not registered");
+            }
+        } else if ((arg0 == '-') && (strcmp(arg, "-") != 0)) {
+            ++arg;
+            if (arg0 == '-') {
+                // Be lax about -arg vs --arg
+                ++arg;
+            } else {
+                QTC::TC("libtests", "QPDFArgParser single dash");
+            }
+
+            // Prevent --=something from being treated as an empty arg
+            // by searching for = from after the first character. We
+            // do this since the empty string in the option table is
+            // for positional arguments. Besides, it doesn't make
+            // sense to have an empty option.
+            arg_s = arg;
+            size_t equal_pos = std::string::npos;
+            if (arg_s.length() > 0) {
+                equal_pos = arg_s.find('=', 1);
+            }
+            if (equal_pos != std::string::npos) {
+                have_parameter = true;
+                parameter = arg_s.substr(equal_pos + 1);
+                arg_s = arg_s.substr(0, equal_pos);
+            }
+
+            if ((!this->m->bash_completion) && (this->m->argc == 2) &&
+                (this->m->cur_arg == 1) &&
+                this->m->help_option_table.count(arg_s)) {
+                // Handle help option, which is only valid as the sole
+                // option.
+                QTC::TC("libtests", "QPDFArgParser help option");
+                oep = this->m->help_option_table.find(arg_s);
+                help_option = true;
+            }
+
+            if (!(help_option || arg_s.empty() || (arg_s.at(0) == '-'))) {
+                oep = this->m->option_table->find(arg_s);
+            }
+        } else {
+            // The empty string maps to the positional argument
+            // handler.
+            QTC::TC("libtests", "QPDFArgParser positional");
+            oep = this->m->option_table->find("");
+            parameter = arg;
+        }
+
+        if (oep == this->m->option_table->end()) {
+            QTC::TC("libtests", "QPDFArgParser unrecognized");
+            std::string message = "unrecognized argument " + o_arg;
+            if (this->m->option_table != &this->m->main_option_table) {
+                message += " (" + this->m->option_table_name +
+                    " options must be terminated with --)";
+            }
+            usage(message);
+        }
+
+        OptionEntry& oe = oep->second;
+        if ((oe.parameter_needed && (!have_parameter)) ||
+            ((!oe.choices.empty() && have_parameter &&
+              (0 == oe.choices.count(parameter))))) {
+            std::string message =
+                "--" + arg_s + " must be given as --" + arg_s + "=";
+            if (oe.invalid_choice_handler) {
+                oe.invalid_choice_handler(parameter);
+                // Method should call usage() or exit. Just in case it
+                // doesn't...
+                message += "option";
+            } else if (!oe.choices.empty()) {
+                QTC::TC("libtests", "QPDFArgParser required choices");
+                message += "{";
+                bool first = true;
+                for (auto const& choice: oe.choices) {
+                    if (first) {
+                        first = false;
+                    } else {
+                        message += ",";
+                    }
+                    message += choice;
+                }
+                message += "}";
+            } else if (!oe.parameter_name.empty()) {
+                QTC::TC("libtests", "QPDFArgParser required parameter");
+                message += oe.parameter_name;
+            } else {
+                // should not be possible
+                message += "option";
+            }
+            usage(message);
+        }
+        if (oe.bare_arg_handler) {
+            oe.bare_arg_handler();
+        } else if (oe.param_arg_handler) {
+            oe.param_arg_handler(parameter);
+        }
+        if (help_option) {
+            exit(0);
+        }
+        if (end_option) {
+            selectMainOptionTable();
+        }
+    }
+    if (this->m->bash_completion) {
+        handleCompletion();
+    } else {
+        doFinalChecks();
+    }
+}
+
+std::string
+QPDFArgParser::getProgname()
+{
+    return this->m->whoami;
+}
+
+void
+QPDFArgParser::doFinalChecks()
+{
+    if (this->m->option_table != &(this->m->main_option_table)) {
+        QTC::TC("libtests", "QPDFArgParser missing --");
+        usage(
+            "missing -- at end of " + this->m->option_table_name + " options");
+    }
+    if (this->m->final_check_handler != nullptr) {
+        this->m->final_check_handler();
+    }
+}
+
+void
+QPDFArgParser::addChoicesToCompletions(
+    option_table_t& option_table,
+    std::string const& option,
+    std::string const& extra_prefix)
+{
+    if (option_table.count(option) != 0) {
+        OptionEntry& oe = option_tableoption;
+        for (auto const& choice: oe.choices) {
+            QTC::TC("libtests", "QPDFArgParser complete choices");
+            this->m->completions.insert(extra_prefix + choice);
+        }
+    }
+}
+
+void
+QPDFArgParser::addOptionsToCompletions(option_table_t& option_table)
+{
+    for (auto& iter: option_table) {
+        std::string const& arg = iter.first;
+        if (arg == "--") {
+            continue;
+        }
+        OptionEntry& oe = iter.second;
+        std::string base = "--" + arg;
+        if (oe.param_arg_handler) {
+            if (this->m->zsh_completion) {
+                // zsh doesn't treat = as a word separator, so add all
+                // the options so we don't get a space after the =.
+                addChoicesToCompletions(option_table, arg, base + "=");
+            }
+            this->m->completions.insert(base + "=");
+        }
+        if (!oe.parameter_needed) {
+            this->m->completions.insert(base);
+        }
+    }
+}
+
+void
+QPDFArgParser::insertCompletions(
+    option_table_t& option_table,
+    std::string const& choice_option,
+    std::string const& extra_prefix)
+{
+    if (!choice_option.empty()) {
+        addChoicesToCompletions(option_table, choice_option, extra_prefix);
+    } else if (
+        (!this->m->bash_cur.empty()) && (this->m->bash_cur.at(0) == '-')) {
+        addOptionsToCompletions(option_table);
+    }
+}
+
+void
+QPDFArgParser::handleCompletion()
+{
+    std::string extra_prefix;
+    if (this->m->completions.empty()) {
+        // Detect --option=... Bash treats the = as a word separator.
+        std::string choice_option;
+        if (this->m->bash_cur.empty() && (this->m->bash_prev.length() > 2) &&
+            (this->m->bash_prev.at(0) == '-') &&
+            (this->m->bash_prev.at(1) == '-') &&
+            (this->m->bash_line.at(this->m->bash_line.length() - 1) == '=')) {
+            choice_option = this->m->bash_prev.substr(2, std::string::npos);
+        } else if (
+            (this->m->bash_prev == "=") &&
+            (this->m->bash_line.length() > (this->m->bash_cur.length() + 1))) {
+            // We're sitting at --option=x. Find previous option.
+            size_t end_mark =
+                this->m->bash_line.length() - this->m->bash_cur.length() - 1;
+            char before_cur = this->m->bash_line.at(end_mark);
+            if (before_cur == '=') {
+                size_t space = this->m->bash_line.find_last_of(' ', end_mark);
+                if (space != std::string::npos) {
+                    std::string candidate = this->m->bash_line.substr(
+                        space + 1, end_mark - space - 1);
+                    if ((candidate.length() > 2) && (candidate.at(0) == '-') &&
+                        (candidate.at(1) == '-')) {
+                        choice_option = candidate.substr(2, std::string::npos);
+                    }
+                }
+            }
+        }
+        if (this->m->zsh_completion && (!choice_option.empty())) {
+            // zsh wants --option=choice rather than just choice
+            extra_prefix = "--" + choice_option + "=";
+        }
+        insertCompletions(*this->m->option_table, choice_option, extra_prefix);
+        if (this->m->argc == 1) {
+            // Help options are valid only by themselves.
+            insertCompletions(
+                this->m->help_option_table, choice_option, extra_prefix);
+        }
+    }
+    std::string prefix = extra_prefix + this->m->bash_cur;
+    for (auto const& iter: this->m->completions) {
+        if (prefix.empty() || (iter.substr(0, prefix.length()) == prefix)) {
+            std::cout << iter << std::endl;
+        }
+    }
+    exit(0);
+}
+
+void
+QPDFArgParser::addHelpFooter(std::string const& text)
+{
+    this->m->help_footer = "\n" + text;
+}
+
+void
+QPDFArgParser::addHelpTopic(
+    std::string const& topic,
+    std::string const& short_text,
+    std::string const& long_text)
+{
+    if (topic == "all") {
+        QTC::TC("libtests", "QPDFArgParser add reserved help topic");
+        throw std::logic_error(
+            "QPDFArgParser: can't register reserved help topic " + topic);
+    }
+    if (!((topic.length() > 0) && (topic.at(0) != '-'))) {
+        QTC::TC("libtests", "QPDFArgParser bad topic for help");
+        throw std::logic_error(
+            "QPDFArgParser: help topics must not start with -");
+    }
+    if (this->m->help_topics.count(topic)) {
+        QTC::TC("libtests", "QPDFArgParser add existing topic");
+        throw std::logic_error(
+            "QPDFArgParser: topic " + topic + " has already been added");
+    }
+
+    this->m->help_topicstopic = HelpTopic(short_text, long_text);
+    this->m->help_option_table"help".choices.insert(topic);
+}
+
+void
+QPDFArgParser::addOptionHelp(
+    std::string const& option_name,
+    std::string const& topic,
+    std::string const& short_text,
+    std::string const& long_text)
+{
+    if (!((option_name.length() > 2) && (option_name.at(0) == '-') &&
+          (option_name.at(1) == '-'))) {
+        QTC::TC("libtests", "QPDFArgParser bad option for help");
+        throw std::logic_error(
+            "QPDFArgParser: options for help must start with --");
+    }
+    if (this->m->option_help.count(option_name)) {
+        QTC::TC("libtests", "QPDFArgParser duplicate option help");
+        throw std::logic_error(
+            "QPDFArgParser: option " + option_name + " already has help");
+    }
+    auto ht = this->m->help_topics.find(topic);
+    if (ht == this->m->help_topics.end()) {
+        QTC::TC("libtests", "QPDFArgParser add to unknown topic");
+        throw std::logic_error(
+            "QPDFArgParser: unable to add option " + option_name +
+            " to unknown help topic " + topic);
+    }
+    this->m->option_helpoption_name = HelpTopic(short_text, long_text);
+    ht->second.options.insert(option_name);
+    this->m->help_option_table"help".choices.insert(option_name);
+}
+
+void
+QPDFArgParser::getTopHelp(std::ostringstream& msg)
+{
+    msg << "Run \"" << this->m->whoami << " --help=topic\" for help on a topic."
+        << std::endl
+        << "Run \"" << this->m->whoami
+        << " --help=--option\" for help on an option." << std::endl
+        << "Run \"" << this->m->whoami
+        << " --help=all\" to see all available help." << std::endl
+        << std::endl
+        << "Topics:" << std::endl;
+    for (auto const& i: this->m->help_topics) {
+        msg << "  " << i.first << ": " << i.second.short_text << std::endl;
+    }
+}
+
+void
+QPDFArgParser::getAllHelp(std::ostringstream& msg)
+{
+    getTopHelp(msg);
+    auto show = this, &msg(std::map<std::string, HelpTopic>& topics) {
+        for (auto const& i: topics) {
+            auto const& topic = i.first;
+            msg << std::endl
+                << "== " << topic << " (" << i.second.short_text
+                << ") ==" << std::endl
+                << std::endl;
+            getTopicHelp(topic, i.second, msg);
+        }
+    };
+    show(this->m->help_topics);
+    show(this->m->option_help);
+    msg << std::endl << "====" << std::endl;
+}
+
+void
+QPDFArgParser::getTopicHelp(
+    std::string const& name, HelpTopic const& ht, std::ostringstream& msg)
+{
+    if (ht.long_text.empty()) {
+        msg << ht.short_text << std::endl;
+    } else {
+        msg << ht.long_text;
+    }
+    if (!ht.options.empty()) {
+        msg << std::endl << "Related options:" << std::endl;
+        for (auto const& i: ht.options) {
+            msg << "  " << i << ": " << this->m->option_helpi.short_text
+                << std::endl;
+        }
+    }
+}
+
+std::string
+QPDFArgParser::getHelp(std::string const& arg)
+{
+    std::ostringstream msg;
+    if (arg.empty()) {
+        getTopHelp(msg);
+    } else {
+        if (arg == "all") {
+            getAllHelp(msg);
+        } else if (this->m->option_help.count(arg)) {
+            getTopicHelp(arg, this->m->option_helparg, msg);
+        } else if (this->m->help_topics.count(arg)) {
+            getTopicHelp(arg, this->m->help_topicsarg, msg);
+        } else {
+            // should not be possible
+            getTopHelp(msg);
+        }
+    }
+    msg << this->m->help_footer;
+    return msg.str();
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFCryptoProvider.cc Added

@@ -0,0 +1,119 @@
+#include <qpdf/QPDFCryptoProvider.hh>
+
+#include <qpdf/QUtil.hh>
+#include <qpdf/qpdf-config.h>
+#include <stdexcept>
+
+#ifdef USE_CRYPTO_NATIVE
+# include <qpdf/QPDFCrypto_native.hh>
+#endif
+#ifdef USE_CRYPTO_GNUTLS
+# include <qpdf/QPDFCrypto_gnutls.hh>
+#endif
+#ifdef USE_CRYPTO_OPENSSL
+# include <qpdf/QPDFCrypto_openssl.hh>
+#endif
+
+std::shared_ptr<QPDFCryptoImpl>
+QPDFCryptoProvider::getImpl()
+{
+    QPDFCryptoProvider& p = getInstance();
+    if (p.m->default_provider.empty()) {
+        throw std::logic_error(
+            "QPDFCryptoProvider::getImpl called with no default provider.");
+    }
+    return p.getImpl_internal(p.m->default_provider);
+}
+
+std::shared_ptr<QPDFCryptoImpl>
+QPDFCryptoProvider::getImpl(std::string const& name)
+{
+    return getInstance().getImpl_internal(name);
+}
+
+template <typename T>
+void
+QPDFCryptoProvider::registerImpl(std::string const& name)
+{
+    getInstance().registerImpl_internal<T>(name);
+}
+
+void
+QPDFCryptoProvider::setDefaultProvider(std::string const& name)
+{
+    getInstance().setDefaultProvider_internal(name);
+}
+
+QPDFCryptoProvider::QPDFCryptoProvider() :
+    m(std::make_shared<Members>())
+{
+#ifdef USE_CRYPTO_NATIVE
+    registerImpl_internal<QPDFCrypto_native>("native");
+#endif
+#ifdef USE_CRYPTO_GNUTLS
+    registerImpl_internal<QPDFCrypto_gnutls>("gnutls");
+#endif
+#ifdef USE_CRYPTO_OPENSSL
+    registerImpl_internal<QPDFCrypto_openssl>("openssl");
+#endif
+    std::string default_crypto;
+    if (!QUtil::get_env("QPDF_CRYPTO_PROVIDER", &default_crypto)) {
+        default_crypto = DEFAULT_CRYPTO;
+    }
+    setDefaultProvider_internal(default_crypto);
+}
+
+QPDFCryptoProvider&
+QPDFCryptoProvider::getInstance()
+{
+    static QPDFCryptoProvider instance;
+    return instance;
+}
+
+std::shared_ptr<QPDFCryptoImpl>
+QPDFCryptoProvider::getImpl_internal(std::string const& name) const
+{
+    auto iter = this->m->providers.find(name);
+    if (iter == this->m->providers.end()) {
+        throw std::logic_error(
+            "QPDFCryptoProvider requested unknown implementation \"" + name +
+            "\"");
+    }
+    return this->m->providersname();
+}
+
+template <typename T>
+void
+QPDFCryptoProvider::registerImpl_internal(std::string const& name)
+{
+    this->m->providersname = std::make_shared<T>;
+}
+
+void
+QPDFCryptoProvider::setDefaultProvider_internal(std::string const& name)
+{
+    if (!this->m->providers.count(name)) {
+        throw std::logic_error(
+            "QPDFCryptoProvider: request to set default"
+            " provider to unknown implementation \"" +
+            name + "\"");
+    }
+    this->m->default_provider = name;
+}
+
+std::set<std::string>
+QPDFCryptoProvider::getRegisteredImpls()
+{
+    std::set<std::string> result;
+    QPDFCryptoProvider& p = getInstance();
+    for (auto const& iter: p.m->providers) {
+        result.insert(iter.first);
+    }
+    return result;
+}
+
+std::string
+QPDFCryptoProvider::getDefaultProvider()
+{
+    return getInstance().m->default_provider;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFCrypto_gnutls.cc Added

@@ -0,0 +1,280 @@
+#include <qpdf/QPDFCrypto_gnutls.hh>
+
+#include <qpdf/QIntC.hh>
+#include <qpdf/QUtil.hh>
+#include <cstring>
+
+QPDFCrypto_gnutls::QPDFCrypto_gnutls() :
+    hash_ctx(nullptr),
+    cipher_ctx(nullptr),
+    sha2_bits(0),
+    encrypt(false),
+    cbc_mode(false),
+    aes_key_data(nullptr),
+    aes_key_len(0)
+{
+    memset(digest, 0, sizeof(digest));
+}
+
+QPDFCrypto_gnutls::~QPDFCrypto_gnutls()
+{
+    if (this->hash_ctx) {
+        gnutls_hash_deinit(this->hash_ctx, digest);
+    }
+    if (cipher_ctx) {
+        gnutls_cipher_deinit(this->cipher_ctx);
+    }
+    this->aes_key_data = nullptr;
+    this->aes_key_len = 0;
+}
+
+void
+QPDFCrypto_gnutls::provideRandomData(unsigned char* data, size_t len)
+{
+    int code = gnutls_rnd(GNUTLS_RND_KEY, data, len);
+    if (code < 0) {
+        throw std::runtime_error(
+            std::string("gnutls: random number generation error: ") +
+            std::string(gnutls_strerror(code)));
+    }
+}
+
+void
+QPDFCrypto_gnutls::MD5_init()
+{
+    MD5_finalize();
+    int code = gnutls_hash_init(&this->hash_ctx, GNUTLS_DIG_MD5);
+    if (code < 0) {
+        this->hash_ctx = nullptr;
+        throw std::runtime_error(
+            std::string("gnutls: MD5 error: ") +
+            std::string(gnutls_strerror(code)));
+    }
+}
+
+void
+QPDFCrypto_gnutls::MD5_update(unsigned char const* data, size_t len)
+{
+    gnutls_hash(this->hash_ctx, data, len);
+}
+
+void
+QPDFCrypto_gnutls::MD5_finalize()
+{
+    if (this->hash_ctx) {
+        gnutls_hash_deinit(this->hash_ctx, this->digest);
+        this->hash_ctx = nullptr;
+    }
+}
+
+void
+QPDFCrypto_gnutls::MD5_digest(MD5_Digest d)
+{
+    memcpy(d, this->digest, sizeof(MD5_Digest));
+}
+
+void
+QPDFCrypto_gnutls::RC4_init(unsigned char const* key_data, int key_len)
+{
+    RC4_finalize();
+    if (key_len == -1) {
+        key_len =
+            QIntC::to_int(strlen(reinterpret_cast<char const*>(key_data)));
+    }
+    gnutls_datum_t key;
+    key.data = const_cast<unsigned char*>(key_data);
+    key.size = QIntC::to_uint(key_len);
+
+    int code = gnutls_cipher_init(
+        &this->cipher_ctx, GNUTLS_CIPHER_ARCFOUR_128, &key, nullptr);
+    if (code < 0) {
+        this->cipher_ctx = nullptr;
+        throw std::runtime_error(
+            std::string("gnutls: RC4 error: ") +
+            std::string(gnutls_strerror(code)));
+    }
+}
+
+void
+QPDFCrypto_gnutls::RC4_process(
+    unsigned char const* in_data, size_t len, unsigned char* out_data)
+{
+    gnutls_cipher_encrypt2(this->cipher_ctx, in_data, len, out_data, len);
+}
+
+void
+QPDFCrypto_gnutls::RC4_finalize()
+{
+    if (this->cipher_ctx) {
+        gnutls_cipher_deinit(this->cipher_ctx);
+        this->cipher_ctx = nullptr;
+    }
+}
+
+void
+QPDFCrypto_gnutls::SHA2_init(int bits)
+{
+    SHA2_finalize();
+    gnutls_digest_algorithm_t alg = GNUTLS_DIG_UNKNOWN;
+    switch (bits) {
+    case 256:
+        alg = GNUTLS_DIG_SHA256;
+        break;
+    case 384:
+        alg = GNUTLS_DIG_SHA384;
+        break;
+    case 512:
+        alg = GNUTLS_DIG_SHA512;
+        break;
+    default:
+        badBits();
+        break;
+    }
+    this->sha2_bits = bits;
+    int code = gnutls_hash_init(&this->hash_ctx, alg);
+    if (code < 0) {
+        this->hash_ctx = nullptr;
+        throw std::runtime_error(
+            std::string("gnutls: SHA") + QUtil::int_to_string(bits) +
+            " error: " + std::string(gnutls_strerror(code)));
+    }
+}
+
+void
+QPDFCrypto_gnutls::SHA2_update(unsigned char const* data, size_t len)
+{
+    gnutls_hash(this->hash_ctx, data, len);
+}
+
+void
+QPDFCrypto_gnutls::SHA2_finalize()
+{
+    if (this->hash_ctx) {
+        gnutls_hash_deinit(this->hash_ctx, this->digest);
+        this->hash_ctx = nullptr;
+    }
+}
+
+std::string
+QPDFCrypto_gnutls::SHA2_digest()
+{
+    std::string result;
+    switch (this->sha2_bits) {
+    case 256:
+        result = std::string(reinterpret_cast<char*>(this->digest), 32);
+        break;
+    case 384:
+        result = std::string(reinterpret_cast<char*>(this->digest), 48);
+        break;
+    case 512:
+        result = std::string(reinterpret_cast<char*>(this->digest), 64);
+        break;
+    default:
+        badBits();
+        break;
+    }
+    return result;
+}
+
+void
+QPDFCrypto_gnutls::rijndael_init(
+    bool encrypt,
+    unsigned char const* key_data,
+    size_t key_len,
+    bool cbc_mode,
+    unsigned char* cbc_block)
+{
+    rijndael_finalize();
+    this->encrypt = encrypt;
+    this->cbc_mode = cbc_mode;
+    if (!cbc_mode) {
+        // Save the key so we can re-initialize.
+        this->aes_key_data = key_data;
+        this->aes_key_len = key_len;
+    }
+
+    gnutls_cipher_algorithm_t alg = GNUTLS_CIPHER_UNKNOWN;
+    gnutls_datum_t cipher_key;
+    gnutls_datum_t iv;
+
+    cipher_key.data = const_cast<unsigned char*>(key_data);
+
+    switch (key_len) {
+    case 16:
+        alg = GNUTLS_CIPHER_AES_128_CBC;
+        break;
+    case 32:
+        alg = GNUTLS_CIPHER_AES_256_CBC;
+        break;
+    case 24:
+        alg = GNUTLS_CIPHER_AES_192_CBC;
+        break;
+    default:
+        alg = GNUTLS_CIPHER_AES_128_CBC;
+        break;
+    }
+
+    cipher_key.size = QIntC::to_uint(gnutls_cipher_get_key_size(alg));
+
+    iv.data = cbc_block;
+    iv.size = rijndael_buf_size;
+
+    int code = gnutls_cipher_init(&this->cipher_ctx, alg, &cipher_key, &iv);
+    if (code < 0) {
+        this->cipher_ctx = nullptr;
+        throw std::runtime_error(
+            std::string("gnutls: AES error: ") +
+            std::string(gnutls_strerror(code)));
+    }
+}
+
+void
+QPDFCrypto_gnutls::rijndael_process(
+    unsigned char* in_data, unsigned char* out_data)
+{
+    if (this->encrypt) {
+        gnutls_cipher_encrypt2(
+            this->cipher_ctx,
+            in_data,
+            rijndael_buf_size,
+            out_data,
+            rijndael_buf_size);
+    } else {
+        gnutls_cipher_decrypt2(
+            this->cipher_ctx,
+            in_data,
+            rijndael_buf_size,
+            out_data,
+            rijndael_buf_size);
+    }
+
+    // Gnutls doesn't support AES in ECB (non-CBC) mode, but the
+    // result is the same as if you just reset the cbc block to all
+    // zeroes each time. We jump through a few hoops here to make this
+    // work.
+    if (!this->cbc_mode) {
+        static unsigned char zeroes16 = {
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+        rijndael_init(
+            this->encrypt,
+            this->aes_key_data,
+            this->aes_key_len,
+            false,
+            zeroes);
+    }
+}
+
+void
+QPDFCrypto_gnutls::rijndael_finalize()
+{
+    if (this->cipher_ctx) {
+        gnutls_cipher_deinit(this->cipher_ctx);
+        this->cipher_ctx = nullptr;
+    }
+}
+
+void
+QPDFCrypto_gnutls::badBits()
+{
+    throw std::logic_error("SHA2 (gnutls) has bits != 256, 384, or 512");
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFCrypto_native.cc Added

@@ -0,0 +1,129 @@
+#include <qpdf/QPDFCrypto_native.hh>
+
+#include <qpdf/QUtil.hh>
+
+#ifdef USE_INSECURE_RANDOM
+# include <qpdf/InsecureRandomDataProvider.hh>
+#endif
+#include <qpdf/SecureRandomDataProvider.hh>
+
+static RandomDataProvider*
+getRandomProvider()
+{
+#ifdef USE_INSECURE_RANDOM
+    static RandomDataProvider* insecure_random_data_provider =
+        InsecureRandomDataProvider::getInstance();
+#else
+    static RandomDataProvider* insecure_random_data_provider = nullptr;
+#endif
+    static RandomDataProvider* secure_random_data_provider =
+        SecureRandomDataProvider::getInstance();
+
+    static RandomDataProvider* provider =
+        (secure_random_data_provider         ? secure_random_data_provider
+             : insecure_random_data_provider ? insecure_random_data_provider
+                                             : nullptr);
+
+    if (provider == nullptr) {
+        throw std::logic_error("QPDFCrypto_native has no random data provider");
+    }
+
+    return provider;
+}
+
+void
+QPDFCrypto_native::provideRandomData(unsigned char* data, size_t len)
+{
+    getRandomProvider()->provideRandomData(data, len);
+}
+
+void
+QPDFCrypto_native::MD5_init()
+{
+    this->md5 = std::make_shared<MD5_native>();
+}
+
+void
+QPDFCrypto_native::MD5_update(unsigned char const* data, size_t len)
+{
+    this->md5->update(const_cast<unsigned char*>(data), len);
+}
+
+void
+QPDFCrypto_native::MD5_finalize()
+{
+    this->md5->finalize();
+}
+
+void
+QPDFCrypto_native::MD5_digest(MD5_Digest d)
+{
+    this->md5->digest(d);
+}
+
+void
+QPDFCrypto_native::RC4_init(unsigned char const* key_data, int key_len)
+{
+    this->rc4 = std::make_shared<RC4_native>(key_data, key_len);
+}
+
+void
+QPDFCrypto_native::RC4_process(
+    unsigned char const* in_data, size_t len, unsigned char* out_data)
+{
+    this->rc4->process(in_data, len, out_data);
+}
+
+void
+QPDFCrypto_native::RC4_finalize()
+{
+}
+
+void
+QPDFCrypto_native::SHA2_init(int bits)
+{
+    this->sha2 = std::make_shared<SHA2_native>(bits);
+}
+
+void
+QPDFCrypto_native::SHA2_update(unsigned char const* data, size_t len)
+{
+    this->sha2->update(data, len);
+}
+
+void
+QPDFCrypto_native::SHA2_finalize()
+{
+    this->sha2->finalize();
+}
+
+std::string
+QPDFCrypto_native::SHA2_digest()
+{
+    return this->sha2->getRawDigest();
+}
+
+void
+QPDFCrypto_native::rijndael_init(
+    bool encrypt,
+    unsigned char const* key_data,
+    size_t key_len,
+    bool cbc_mode,
+    unsigned char* cbc_block)
+
+{
+    this->aes_pdf = std::make_shared<AES_PDF_native>(
+        encrypt, key_data, key_len, cbc_mode, cbc_block);
+}
+
+void
+QPDFCrypto_native::rijndael_process(
+    unsigned char* in_data, unsigned char* out_data)
+{
+    this->aes_pdf->update(in_data, out_data);
+}
+
+void
+QPDFCrypto_native::rijndael_finalize()
+{
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFCrypto_openssl.cc Added

@@ -0,0 +1,249 @@
+#include <qpdf/QPDFCrypto_openssl.hh>
+
+#include <cstring>
+#include <stdexcept>
+#include <string>
+
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wold-style-cast"
+#endif
+#include <openssl/err.h>
+#ifndef QPDF_OPENSSL_1
+# include <openssl/provider.h>
+#endif
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic pop
+#endif
+
+#include <qpdf/QIntC.hh>
+
+static void
+bad_bits(int bits)
+{
+    throw std::logic_error(
+        std::string("unsupported key length: ") + std::to_string(bits));
+}
+
+static void
+check_openssl(int status)
+{
+    if (status != 1) {
+        // OpenSSL creates a "queue" of errors; copy the first (innermost)
+        // error to the exception message.
+        char buf256 = "";
+        ERR_error_string_n(ERR_get_error(), buf, sizeof(buf));
+        std::string what = "OpenSSL error: ";
+        what += buf;
+        throw std::runtime_error(what);
+    }
+    ERR_clear_error();
+}
+
+QPDFCrypto_openssl::QPDFCrypto_openssl() :
+#ifdef QPDF_OPENSSL_1
+    rc4(EVP_rc4()),
+#endif
+    md_ctx(EVP_MD_CTX_new()),
+    cipher_ctx(EVP_CIPHER_CTX_new())
+{
+#ifndef QPDF_OPENSSL_1
+    libctx = OSSL_LIB_CTX_new();
+    if (libctx == nullptr) {
+        throw std::runtime_error("unable to create openssl library context");
+        return;
+    }
+    legacy = OSSL_PROVIDER_load(libctx, "legacy");
+    if (legacy == nullptr) {
+        OSSL_LIB_CTX_free(libctx);
+        throw std::runtime_error("unable to load openssl legacy provider");
+        return;
+    }
+    rc4 = EVP_CIPHER_fetch(libctx, "RC4", nullptr);
+    if (rc4 == nullptr) {
+        OSSL_PROVIDER_unload(legacy);
+        OSSL_LIB_CTX_free(libctx);
+        throw std::runtime_error("unable to load openssl rc4 algorithm");
+        return;
+    }
+#endif
+    memset(md_out, 0, sizeof(md_out));
+    EVP_MD_CTX_init(md_ctx);
+    EVP_CIPHER_CTX_init(cipher_ctx);
+}
+
+QPDFCrypto_openssl::~QPDFCrypto_openssl()
+{
+    EVP_MD_CTX_reset(md_ctx);
+    EVP_CIPHER_CTX_reset(cipher_ctx);
+    EVP_CIPHER_CTX_free(cipher_ctx);
+#ifndef QPDF_OPENSSL_1
+    EVP_CIPHER_free(rc4);
+    OSSL_PROVIDER_unload(legacy);
+    OSSL_LIB_CTX_free(libctx);
+#endif
+    EVP_MD_CTX_free(md_ctx);
+}
+
+void
+QPDFCrypto_openssl::provideRandomData(unsigned char* data, size_t len)
+{
+    check_openssl(RAND_bytes(data, QIntC::to_int(len)));
+}
+
+void
+QPDFCrypto_openssl::MD5_init()
+{
+    check_openssl(EVP_MD_CTX_reset(md_ctx));
+    check_openssl(EVP_DigestInit_ex(md_ctx, EVP_md5(), nullptr));
+}
+
+void
+QPDFCrypto_openssl::SHA2_init(int bits)
+{
+    const EVP_MD* md = EVP_sha512();
+    switch (bits) {
+    case 256:
+        md = EVP_sha256();
+        break;
+    case 384:
+        md = EVP_sha384();
+        break;
+    case 512:
+        md = EVP_sha512();
+        break;
+    default:
+        bad_bits(bits);
+        return;
+    }
+    sha2_bits = static_cast<size_t>(bits);
+    check_openssl(EVP_MD_CTX_reset(md_ctx));
+    check_openssl(EVP_DigestInit_ex(md_ctx, md, nullptr));
+}
+
+void
+QPDFCrypto_openssl::MD5_update(unsigned char const* data, size_t len)
+{
+    check_openssl(EVP_DigestUpdate(md_ctx, data, len));
+}
+
+void
+QPDFCrypto_openssl::SHA2_update(unsigned char const* data, size_t len)
+{
+    check_openssl(EVP_DigestUpdate(md_ctx, data, len));
+}
+
+void
+QPDFCrypto_openssl::MD5_finalize()
+{
+#ifdef QPDF_OPENSSL_1
+    auto md = EVP_MD_CTX_md(md_ctx);
+#else
+    auto md = EVP_MD_CTX_get0_md(md_ctx);
+#endif
+    if (md) {
+        check_openssl(EVP_DigestFinal(md_ctx, md_out + 0, nullptr));
+    }
+}
+
+void
+QPDFCrypto_openssl::SHA2_finalize()
+{
+#ifdef QPDF_OPENSSL_1
+    auto md = EVP_MD_CTX_md(md_ctx);
+#else
+    auto md = EVP_MD_CTX_get0_md(md_ctx);
+#endif
+    if (md) {
+        check_openssl(EVP_DigestFinal(md_ctx, md_out + 0, nullptr));
+    }
+}
+
+void
+QPDFCrypto_openssl::MD5_digest(MD5_Digest d)
+{
+    memcpy(d, md_out, sizeof(QPDFCryptoImpl::MD5_Digest));
+}
+
+std::string
+QPDFCrypto_openssl::SHA2_digest()
+{
+    return std::string(reinterpret_cast<char*>(md_out), sha2_bits / 8);
+}
+
+void
+QPDFCrypto_openssl::RC4_init(unsigned char const* key_data, int key_len)
+{
+    check_openssl(EVP_CIPHER_CTX_reset(cipher_ctx));
+    if (key_len == -1) {
+        key_len =
+            QIntC::to_int(strlen(reinterpret_cast<const char*>(key_data)));
+    }
+    check_openssl(
+        EVP_EncryptInit_ex(cipher_ctx, rc4, nullptr, nullptr, nullptr));
+    check_openssl(EVP_CIPHER_CTX_set_key_length(cipher_ctx, key_len));
+    check_openssl(
+        EVP_EncryptInit_ex(cipher_ctx, nullptr, nullptr, key_data, nullptr));
+}
+
+void
+QPDFCrypto_openssl::rijndael_init(
+    bool encrypt,
+    unsigned char const* key_data,
+    size_t key_len,
+    bool cbc_mode,
+    unsigned char* cbc_block)
+{
+    const EVP_CIPHER* cipher = nullptr;
+    switch (key_len) {
+    case 32:
+        cipher = cbc_mode ? EVP_aes_256_cbc() : EVP_aes_256_ecb();
+        break;
+    case 24:
+        cipher = cbc_mode ? EVP_aes_192_cbc() : EVP_aes_192_ecb();
+        break;
+    default:
+        cipher = cbc_mode ? EVP_aes_128_cbc() : EVP_aes_128_ecb();
+        break;
+    }
+
+    check_openssl(EVP_CIPHER_CTX_reset(cipher_ctx));
+    check_openssl(
+        // line-break
+        EVP_CipherInit_ex(
+            cipher_ctx, cipher, nullptr, key_data, cbc_block, encrypt));
+    check_openssl(EVP_CIPHER_CTX_set_padding(cipher_ctx, 0));
+}
+
+void
+QPDFCrypto_openssl::RC4_process(
+    unsigned char const* in_data, size_t len, unsigned char* out_data)
+{
+    int out_len = static_cast<int>(len);
+    check_openssl(
+        EVP_EncryptUpdate(cipher_ctx, out_data, &out_len, in_data, out_len));
+}
+
+void
+QPDFCrypto_openssl::rijndael_process(
+    unsigned char* in_data, unsigned char* out_data)
+{
+    int len = QPDFCryptoImpl::rijndael_buf_size;
+    check_openssl(EVP_CipherUpdate(cipher_ctx, out_data, &len, in_data, len));
+}
+
+void
+QPDFCrypto_openssl::RC4_finalize()
+{
+    if (EVP_CIPHER_CTX_cipher(cipher_ctx)) {
+        check_openssl(EVP_CIPHER_CTX_reset(cipher_ctx));
+    }
+}
+
+void
+QPDFCrypto_openssl::rijndael_finalize()
+{
+    if (EVP_CIPHER_CTX_cipher(cipher_ctx)) {
+        check_openssl(EVP_CIPHER_CTX_reset(cipher_ctx));
+    }
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFEFStreamObjectHelper.cc Added

@@ -0,0 +1,157 @@
+#include <qpdf/QPDFEFStreamObjectHelper.hh>
+
+#include <qpdf/Pl_Count.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_MD5.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QUtil.hh>
+
+QPDFEFStreamObjectHelper::QPDFEFStreamObjectHelper(QPDFObjectHandle oh) :
+    QPDFObjectHelper(oh),
+    m(new Members())
+{
+}
+
+QPDFObjectHandle
+QPDFEFStreamObjectHelper::getParam(std::string const& pkey)
+{
+    auto params = this->oh.getDict().getKey("/Params");
+    if (params.isDictionary()) {
+        return params.getKey(pkey);
+    }
+    return QPDFObjectHandle::newNull();
+}
+
+void
+QPDFEFStreamObjectHelper::setParam(
+    std::string const& pkey, QPDFObjectHandle const& pval)
+{
+    auto params = this->oh.getDict().getKey("/Params");
+    if (!params.isDictionary()) {
+        params = this->oh.getDict().replaceKeyAndGetNew(
+            "/Params", QPDFObjectHandle::newDictionary());
+    }
+    params.replaceKey(pkey, pval);
+}
+
+std::string
+QPDFEFStreamObjectHelper::getCreationDate()
+{
+    auto val = getParam("/CreationDate");
+    if (val.isString()) {
+        return val.getUTF8Value();
+    }
+    return "";
+}
+
+std::string
+QPDFEFStreamObjectHelper::getModDate()
+{
+    auto val = getParam("/ModDate");
+    if (val.isString()) {
+        return val.getUTF8Value();
+    }
+    return "";
+}
+
+size_t
+QPDFEFStreamObjectHelper::getSize()
+{
+    auto val = getParam("/Size");
+    if (val.isInteger()) {
+        return QIntC::to_size(val.getUIntValueAsUInt());
+    }
+    return 0;
+}
+
+std::string
+QPDFEFStreamObjectHelper::getSubtype()
+{
+    auto val = this->oh.getDict().getKey("/Subtype");
+    if (val.isName()) {
+        auto n = val.getName();
+        if (n.length() > 1) {
+            return n.substr(1);
+        }
+    }
+    return "";
+}
+
+std::string
+QPDFEFStreamObjectHelper::getChecksum()
+{
+    auto val = getParam("/CheckSum");
+    if (val.isString()) {
+        return val.getStringValue();
+    }
+    return "";
+}
+
+QPDFEFStreamObjectHelper
+QPDFEFStreamObjectHelper::createEFStream(
+    QPDF& qpdf, std::shared_ptr<Buffer> data)
+{
+    return newFromStream(QPDFObjectHandle::newStream(&qpdf, data));
+}
+
+QPDFEFStreamObjectHelper
+QPDFEFStreamObjectHelper::createEFStream(QPDF& qpdf, std::string const& data)
+{
+    return newFromStream(QPDFObjectHandle::newStream(&qpdf, data));
+}
+
+QPDFEFStreamObjectHelper
+QPDFEFStreamObjectHelper::createEFStream(
+    QPDF& qpdf, std::function<void(Pipeline*)> provider)
+{
+    auto stream = QPDFObjectHandle::newStream(&qpdf);
+    stream.replaceStreamData(
+        provider, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
+    return newFromStream(stream);
+}
+
+QPDFEFStreamObjectHelper&
+QPDFEFStreamObjectHelper::setCreationDate(std::string const& date)
+{
+    setParam("/CreationDate", QPDFObjectHandle::newString(date));
+    return *this;
+}
+
+QPDFEFStreamObjectHelper&
+QPDFEFStreamObjectHelper::setModDate(std::string const& date)
+{
+    setParam("/ModDate", QPDFObjectHandle::newString(date));
+    return *this;
+}
+
+QPDFEFStreamObjectHelper&
+QPDFEFStreamObjectHelper::setSubtype(std::string const& subtype)
+{
+    this->oh.getDict().replaceKey(
+        "/Subtype", QPDFObjectHandle::newName("/" + subtype));
+    return *this;
+}
+
+QPDFEFStreamObjectHelper
+QPDFEFStreamObjectHelper::newFromStream(QPDFObjectHandle stream)
+{
+    QPDFEFStreamObjectHelper result(stream);
+    stream.getDict().replaceKey(
+        "/Type", QPDFObjectHandle::newName("/EmbeddedFile"));
+    Pl_Discard discard;
+    // The PDF spec specifies use of MD5 here and notes that it is not
+    // to be used for security. MD5 is known to be insecure.
+    Pl_MD5 md5("EF md5", &discard);
+    Pl_Count count("EF size", &md5);
+    if (!stream.pipeStreamData(&count, nullptr, 0, qpdf_dl_all)) {
+        stream.warnIfPossible(
+            "unable to get stream data for new embedded file stream");
+    } else {
+        result.setParam(
+            "/Size", QPDFObjectHandle::newInteger(count.getCount()));
+        result.setParam(
+            "/CheckSum",
+            QPDFObjectHandle::newString(QUtil::hex_decode(md5.getHexDigest())));
+    }
+    return result;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFEmbeddedFileDocumentHelper.cc Added

@@ -0,0 +1,128 @@
+#include <qpdf/QPDFEmbeddedFileDocumentHelper.hh>
+
+// File attachments are stored in the /EmbeddedFiles (name tree) key
+// of the /Names dictionary from the document catalog. Each entry
+// points to a /FileSpec, which in turn points to one more Embedded
+// File Streams. Note that file specs can appear in other places as
+// well, such as file attachment annotations, among others.
+//
+// root -> /Names -> /EmbeddedFiles = name tree
+// filename -> filespec
+// <<
+//   /Desc ()
+//   /EF <<
+//     /F x 0 R
+//     /UF x 0 R
+//   >>
+//   /F (name)
+//   /UF (name)
+//   /Type /Filespec
+// >>
+// x 0 obj
+// <<
+//   /Type /EmbeddedFile
+//   /DL filesize % not in spec?
+//   /Params <<
+//     /CheckSum <md5>
+//     /CreationDate (D:yyyymmddhhmmss{-hh'mm'|+hh'mm'|Z})
+//     /ModDate (D:yyyymmddhhmmss-hh'mm')
+//     /Size filesize
+//     /Subtype /mime#2ftype
+//   >>
+// >>
+
+QPDFEmbeddedFileDocumentHelper::QPDFEmbeddedFileDocumentHelper(QPDF& qpdf) :
+    QPDFDocumentHelper(qpdf),
+    m(new Members())
+{
+    auto root = qpdf.getRoot();
+    auto names = root.getKey("/Names");
+    if (names.isDictionary()) {
+        auto embedded_files = names.getKey("/EmbeddedFiles");
+        if (embedded_files.isDictionary()) {
+            this->m->embedded_files =
+                std::make_shared<QPDFNameTreeObjectHelper>(
+                    embedded_files, qpdf);
+        }
+    }
+}
+
+bool
+QPDFEmbeddedFileDocumentHelper::hasEmbeddedFiles() const
+{
+    return (this->m->embedded_files != nullptr);
+}
+
+void
+QPDFEmbeddedFileDocumentHelper::initEmbeddedFiles()
+{
+    if (hasEmbeddedFiles()) {
+        return;
+    }
+    auto root = qpdf.getRoot();
+    auto names = root.getKey("/Names");
+    if (!names.isDictionary()) {
+        names = root.replaceKeyAndGetNew(
+            "/Names", QPDFObjectHandle::newDictionary());
+    }
+    auto embedded_files = names.getKey("/EmbeddedFiles");
+    if (!embedded_files.isDictionary()) {
+        auto nth = QPDFNameTreeObjectHelper::newEmpty(this->qpdf);
+        names.replaceKey("/EmbeddedFiles", nth.getObjectHandle());
+        this->m->embedded_files =
+            std::make_shared<QPDFNameTreeObjectHelper>(nth);
+    }
+}
+
+std::shared_ptr<QPDFFileSpecObjectHelper>
+QPDFEmbeddedFileDocumentHelper::getEmbeddedFile(std::string const& name)
+{
+    std::shared_ptr<QPDFFileSpecObjectHelper> result;
+    if (this->m->embedded_files) {
+        auto i = this->m->embedded_files->find(name);
+        if (i != this->m->embedded_files->end()) {
+            result = std::make_shared<QPDFFileSpecObjectHelper>(i->second);
+        }
+    }
+    return result;
+}
+
+std::map<std::string, std::shared_ptr<QPDFFileSpecObjectHelper>>
+QPDFEmbeddedFileDocumentHelper::getEmbeddedFiles()
+{
+    std::map<std::string, std::shared_ptr<QPDFFileSpecObjectHelper>> result;
+    if (this->m->embedded_files) {
+        for (auto const& i: *(this->m->embedded_files)) {
+            resulti.first =
+                std::make_shared<QPDFFileSpecObjectHelper>(i.second);
+        }
+    }
+    return result;
+}
+
+void
+QPDFEmbeddedFileDocumentHelper::replaceEmbeddedFile(
+    std::string const& name, QPDFFileSpecObjectHelper const& fs)
+{
+    initEmbeddedFiles();
+    this->m->embedded_files->insert(name, fs.getObjectHandle());
+}
+
+bool
+QPDFEmbeddedFileDocumentHelper::removeEmbeddedFile(std::string const& name)
+{
+    if (!hasEmbeddedFiles()) {
+        return false;
+    }
+    auto iter = this->m->embedded_files->find(name);
+    if (iter == this->m->embedded_files->end()) {
+        return false;
+    }
+    auto oh = iter->second;
+    iter.remove();
+    if (oh.isIndirect()) {
+        this->qpdf.replaceObject(oh.getObjGen(), QPDFObjectHandle::newNull());
+    }
+
+    return true;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFExc.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFExc.cc Changed

@@ -1,11 +1,13 @@
 #include <qpdf/QPDFExc.hh>
+
 #include <qpdf/QUtil.hh>
 
-QPDFExc::QPDFExc(qpdf_error_code_e error_code,
-		 std::string const& filename,
-		 std::string const& object,
-		 qpdf_offset_t offset,
-		 std::string const& message) :
+QPDFExc::QPDFExc(
+    qpdf_error_code_e error_code,
+    std::string const& filename,
+    std::string const& object,
+    qpdf_offset_t offset,
+    std::string const& message) :
     std::runtime_error(createWhat(filename, object, offset, message)),
     error_code(error_code),
     filename(filename),
@@ -16,42 +18,35 @@
 }
 
 std::string
-QPDFExc::createWhat(std::string const& filename,
-		    std::string const& object,
-		    qpdf_offset_t offset,
-		    std::string const& message)
+QPDFExc::createWhat(
+    std::string const& filename,
+    std::string const& object,
+    qpdf_offset_t offset,
+    std::string const& message)
 {
     std::string result;
-    if (! filename.empty())
-    {
-	result += filename;
+    if (!filename.empty()) {
+        result += filename;
     }
-    if (! (object.empty() && offset == 0))
-    {
-        if (! filename.empty())
-        {
+    if (!(object.empty() && offset == 0)) {
+        if (!filename.empty()) {
             result += " (";
         }
-	if (! object.empty())
-	{
-	    result += object;
-	    if (offset > 0)
-	    {
-		result += ", ";
-	    }
-	}
-	if (offset > 0)
-	{
-	    result += "offset " + QUtil::int_to_string(offset);
-	}
-        if (! filename.empty())
-        {
+        if (!object.empty()) {
+            result += object;
+            if (offset > 0) {
+                result += ", ";
+            }
+        }
+        if (offset > 0) {
+            result += "offset " + QUtil::int_to_string(offset);
+        }
+        if (!filename.empty()) {
             result += ")";
         }
     }
-    if (! result.empty())
-    {
-	result += ": ";
+    if (!result.empty()) {
+        result += ": ";
     }
     result += message;
     return result;

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFFileSpecObjectHelper.cc Added

@@ -0,0 +1,133 @@
+#include <qpdf/QPDFFileSpecObjectHelper.hh>
+
+#include <qpdf/QPDF.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+#include <string>
+#include <vector>
+
+QPDFFileSpecObjectHelper::QPDFFileSpecObjectHelper(QPDFObjectHandle oh) :
+    QPDFObjectHelper(oh)
+{
+    if (!oh.isDictionary()) {
+        oh.warnIfPossible("Embedded file object is not a dictionary");
+        return;
+    }
+    if (!oh.isDictionaryOfType("/Filespec")) {
+        oh.warnIfPossible("Embedded file object's type is not /Filespec");
+    }
+}
+
+static std::vector<std::string> name_keys = {
+    "/UF", "/F", "/Unix", "/DOS", "/Mac"};
+
+std::string
+QPDFFileSpecObjectHelper::getDescription()
+{
+    std::string result;
+    auto desc = this->oh.getKey("/Desc");
+    if (desc.isString()) {
+        result = desc.getUTF8Value();
+    }
+    return result;
+}
+
+std::string
+QPDFFileSpecObjectHelper::getFilename()
+{
+    for (auto const& i: name_keys) {
+        auto k = this->oh.getKey(i);
+        if (k.isString()) {
+            return k.getUTF8Value();
+        }
+    }
+    return "";
+}
+
+std::map<std::string, std::string>
+QPDFFileSpecObjectHelper::getFilenames()
+{
+    std::map<std::string, std::string> result;
+    for (auto const& i: name_keys) {
+        auto k = this->oh.getKey(i);
+        if (k.isString()) {
+            resulti = k.getUTF8Value();
+        }
+    }
+    return result;
+}
+
+QPDFObjectHandle
+QPDFFileSpecObjectHelper::getEmbeddedFileStream(std::string const& key)
+{
+    auto ef = this->oh.getKey("/EF");
+    if (!ef.isDictionary()) {
+        return QPDFObjectHandle::newNull();
+    }
+    if (!key.empty()) {
+        return ef.getKey(key);
+    }
+    for (auto const& i: name_keys) {
+        auto k = ef.getKey(i);
+        if (k.isStream()) {
+            return k;
+        }
+    }
+    return QPDFObjectHandle::newNull();
+}
+
+QPDFObjectHandle
+QPDFFileSpecObjectHelper::getEmbeddedFileStreams()
+{
+    return this->oh.getKey("/EF");
+}
+
+QPDFFileSpecObjectHelper
+QPDFFileSpecObjectHelper::createFileSpec(
+    QPDF& qpdf, std::string const& filename, std::string const& fullpath)
+{
+    return createFileSpec(
+        qpdf,
+        filename,
+        QPDFEFStreamObjectHelper::createEFStream(
+            qpdf, QUtil::file_provider(fullpath)));
+}
+
+QPDFFileSpecObjectHelper
+QPDFFileSpecObjectHelper::createFileSpec(
+    QPDF& qpdf, std::string const& filename, QPDFEFStreamObjectHelper efsoh)
+{
+    auto oh = qpdf.makeIndirectObject(QPDFObjectHandle::newDictionary());
+    oh.replaceKey("/Type", QPDFObjectHandle::newName("/Filespec"));
+    QPDFFileSpecObjectHelper result(oh);
+    result.setFilename(filename);
+    auto ef = QPDFObjectHandle::newDictionary();
+    ef.replaceKey("/F", efsoh.getObjectHandle());
+    ef.replaceKey("/UF", efsoh.getObjectHandle());
+    oh.replaceKey("/EF", ef);
+    return result;
+}
+
+QPDFFileSpecObjectHelper&
+QPDFFileSpecObjectHelper::setDescription(std::string const& desc)
+{
+    this->oh.replaceKey("/Desc", QPDFObjectHandle::newUnicodeString(desc));
+    return *this;
+}
+
+QPDFFileSpecObjectHelper&
+QPDFFileSpecObjectHelper::setFilename(
+    std::string const& unicode_name, std::string const& compat_name)
+{
+    auto uf = QPDFObjectHandle::newUnicodeString(unicode_name);
+    this->oh.replaceKey("/UF", uf);
+    if (compat_name.empty()) {
+        QTC::TC("qpdf", "QPDFFileSpecObjectHelper empty compat_name");
+        this->oh.replaceKey("/F", uf);
+    } else {
+        QTC::TC("qpdf", "QPDFFileSpecObjectHelper non-empty compat_name");
+        this->oh.replaceKey("/F", QPDFObjectHandle::newString(compat_name));
+    }
+    return *this;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFFormFieldObjectHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFFormFieldObjectHelper.cc Changed

@@ -1,19 +1,13 @@
 #include <qpdf/QPDFFormFieldObjectHelper.hh>
-#include <qpdf/QTC.hh>
+
+#include <qpdf/Pl_QPDFTokenizer.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDFAcroFormDocumentHelper.hh>
 #include <qpdf/QPDFAnnotationObjectHelper.hh>
+#include <qpdf/QTC.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/Pl_QPDFTokenizer.hh>
 #include <stdlib.h>
 
-QPDFFormFieldObjectHelper::Members::~Members()
-{
-}
-
-QPDFFormFieldObjectHelper::Members::Members()
-{
-}
-
 QPDFFormFieldObjectHelper::QPDFFormFieldObjectHelper(QPDFObjectHandle oh) :
     QPDFObjectHelper(oh),
     m(new Members())
@@ -38,24 +32,61 @@
     return this->oh.getKey("/Parent"); // may be null
 }
 
+QPDFFormFieldObjectHelper
+QPDFFormFieldObjectHelper::getTopLevelField(bool* is_different)
+{
+    auto top_field = this->oh;
+    std::set<QPDFObjGen> seen;
+    while (top_field.isDictionary() &&
+           (!top_field.getKey("/Parent").isNull())) {
+        top_field = top_field.getKey("/Parent");
+        if (is_different) {
+            *is_different = true;
+        }
+        auto og = top_field.getObjGen();
+        if (seen.count(og)) {
+            break;
+        }
+        seen.insert(og);
+    }
+    return QPDFFormFieldObjectHelper(top_field);
+}
+
+QPDFObjectHandle
+QPDFFormFieldObjectHelper::getFieldFromAcroForm(std::string const& name)
+{
+    QPDFObjectHandle result = QPDFObjectHandle::newNull();
+    // Fields are supposed to be indirect, so this should work.
+    QPDF* q = this->oh.getOwningQPDF();
+    if (!q) {
+        return result;
+    }
+    auto acroform = q->getRoot().getKey("/AcroForm");
+    if (!acroform.isDictionary()) {
+        return result;
+    }
+    return acroform.getKey(name);
+}
+
 QPDFObjectHandle
 QPDFFormFieldObjectHelper::getInheritableFieldValue(std::string const& name)
 {
     QPDFObjectHandle node = this->oh;
+    if (!node.isDictionary()) {
+        return QPDFObjectHandle::newNull();
+    }
     QPDFObjectHandle result(node.getKey(name));
     std::set<QPDFObjGen> seen;
-    while (result.isNull() && node.hasKey("/Parent"))
-    {
+    while (result.isNull() && node.hasKey("/Parent")) {
         seen.insert(node.getObjGen());
         node = node.getKey("/Parent");
-        if (seen.count(node.getObjGen()))
-        {
+        if (seen.count(node.getObjGen())) {
             break;
         }
         result = node.getKey(name);
-        if (! result.isNull())
-        {
-            QTC::TC("qpdf", "QPDFFormFieldObjectHelper non-trivial inheritance");
+        if (!result.isNull()) {
+            QTC::TC(
+                "qpdf", "QPDFFormFieldObjectHelper non-trivial inheritance");
         }
     }
     return result;
@@ -67,8 +98,7 @@
 {
     QPDFObjectHandle fv = getInheritableFieldValue(name);
     std::string result;
-    if (fv.isString())
-    {
+    if (fv.isString()) {
         result = fv.getUTF8Value();
     }
     return result;
@@ -80,8 +110,7 @@
 {
     QPDFObjectHandle fv = getInheritableFieldValue(name);
     std::string result;
-    if (fv.isName())
-    {
+    if (fv.isName()) {
         result = fv.getName();
     }
     return result;
@@ -99,13 +128,12 @@
     std::string result;
     QPDFObjectHandle node = this->oh;
     std::set<QPDFObjGen> seen;
-    while ((! node.isNull()) && (seen.count(node.getObjGen()) == 0))
-    {
-        if (node.getKey("/T").isString())
-        {
-            if (! result.empty())
-            {
-                QTC::TC("qpdf", "QPDFFormFieldObjectHelper non-trivial qualified name");
+    while ((!node.isNull()) && (seen.count(node.getObjGen()) == 0)) {
+        if (node.getKey("/T").isString()) {
+            if (!result.empty()) {
+                QTC::TC(
+                    "qpdf",
+                    "QPDFFormFieldObjectHelper non-trivial qualified name");
                 result = "." + result;
             }
             result = node.getKey("/T").getUTF8Value() + result;
@@ -120,8 +148,7 @@
 QPDFFormFieldObjectHelper::getPartialName()
 {
     std::string result;
-    if (this->oh.getKey("/T").isString())
-    {
+    if (this->oh.getKey("/T").isString()) {
         result = this->oh.getKey("/T").getUTF8Value();
     }
     return result;
@@ -130,8 +157,7 @@
 std::string
 QPDFFormFieldObjectHelper::getAlternativeName()
 {
-    if (this->oh.getKey("/TU").isString())
-    {
+    if (this->oh.getKey("/TU").isString()) {
         QTC::TC("qpdf", "QPDFFormFieldObjectHelper TU present");
         return this->oh.getKey("/TU").getUTF8Value();
     }
@@ -142,8 +168,7 @@
 std::string
 QPDFFormFieldObjectHelper::getMappingName()
 {
-    if (this->oh.getKey("/TM").isString())
-    {
+    if (this->oh.getKey("/TM").isString()) {
         QTC::TC("qpdf", "QPDFFormFieldObjectHelper TM present");
         return this->oh.getKey("/TM").getUTF8Value();
     }
@@ -175,21 +200,48 @@
     return getInheritableFieldValueAsString("/DV");
 }
 
+QPDFObjectHandle
+QPDFFormFieldObjectHelper::getDefaultResources()
+{
+    return getFieldFromAcroForm("/DR");
+}
+
 std::string
 QPDFFormFieldObjectHelper::getDefaultAppearance()
 {
-    return getInheritableFieldValueAsString("/DA");
+    auto value = getInheritableFieldValue("/DA");
+    bool looked_in_acroform = false;
+    if (!value.isString()) {
+        value = getFieldFromAcroForm("/DA");
+        looked_in_acroform = true;
+    }
+    std::string result;
+    if (value.isString()) {
+        QTC::TC(
+            "qpdf",
+            "QPDFFormFieldObjectHelper DA present",
+            looked_in_acroform ? 0 : 1);
+        result = value.getUTF8Value();
+    }
+    return result;
 }
 
 int
 QPDFFormFieldObjectHelper::getQuadding()
 {
-    int result = 0;
     QPDFObjectHandle fv = getInheritableFieldValue("/Q");
-    if (fv.isInteger())
-    {
-        QTC::TC("qpdf", "QPDFFormFieldObjectHelper Q present");
-        result = static_cast<int>(fv.getIntValue());
+    bool looked_in_acroform = false;
+    if (!fv.isInteger()) {
+        fv = getFieldFromAcroForm("/Q");
+        looked_in_acroform = true;
+    }
+    int result = 0;
+    if (fv.isInteger()) {
+        QTC::TC(
+            "qpdf",
+            "QPDFFormFieldObjectHelper Q present",
+            looked_in_acroform ? 0 : 1);
+        result = QIntC::to_int(fv.getIntValue());
     }
     return result;
 }
@@ -198,7 +250,7 @@
 QPDFFormFieldObjectHelper::getFlags()
 {
     QPDFObjectHandle f = getInheritableFieldValue("/Ff");
-    return f.isInteger() ? f.getIntValue() : 0;
+    return f.isInteger() ? f.getIntValueAsInt() : 0;
 }
 
 bool
@@ -210,22 +262,25 @@
 bool
 QPDFFormFieldObjectHelper::isCheckbox()
 {
-    return ((getFieldType() == "/Btn") &&
-            ((getFlags() & (ff_btn_radio | ff_btn_pushbutton)) == 0));
+    return (
+        (getFieldType() == "/Btn") &&
+        ((getFlags() & (ff_btn_radio | ff_btn_pushbutton)) == 0));
 }
 
 bool
 QPDFFormFieldObjectHelper::isRadioButton()
 {
-    return ((getFieldType() == "/Btn") &&
-            ((getFlags() & ff_btn_radio) == ff_btn_radio));
+    return (
+        (getFieldType() == "/Btn") &&
+        ((getFlags() & ff_btn_radio) == ff_btn_radio));
 }
 
 bool
 QPDFFormFieldObjectHelper::isPushbutton()
 {
-    return ((getFieldType() == "/Btn") &&
-            ((getFlags() & ff_btn_pushbutton) == ff_btn_pushbutton));
+    return (
+        (getFieldType() == "/Btn") &&
+        ((getFlags() & ff_btn_pushbutton) == ff_btn_pushbutton));
 }
 
 bool
@@ -238,19 +293,15 @@
 QPDFFormFieldObjectHelper::getChoices()
 {
     std::vector<std::string> result;
-    if (! isChoice())
-    {
+    if (!isChoice()) {
         return result;
     }
     QPDFObjectHandle opt = getInheritableFieldValue("/Opt");
-    if (opt.isArray())
-    {
-        size_t n = opt.getArrayNItems();
-        for (size_t i = 0; i < n; ++i)
-        {
+    if (opt.isArray()) {
+        int n = opt.getArrayNItems();
+        for (int i = 0; i < n; ++i) {
             QPDFObjectHandle item = opt.getArrayItem(i);
-            if (item.isString())
-            {
+            if (item.isString()) {
                 result.push_back(item.getUTF8Value());
             }
         }
@@ -273,70 +324,48 @@
 }
 
 void
-QPDFFormFieldObjectHelper::setV(
-    QPDFObjectHandle value, bool need_appearances)
+QPDFFormFieldObjectHelper::setV(QPDFObjectHandle value, bool need_appearances)
 {
-    if (getFieldType() == "/Btn")
-    {
-        if (isCheckbox())
-        {
+    if (getFieldType() == "/Btn") {
+        if (isCheckbox()) {
             bool okay = false;
-            if (value.isName())
-            {
+            if (value.isName()) {
                 std::string name = value.getName();
-                if ((name == "/Yes") || (name == "/Off"))
-                {
+                if ((name == "/Yes") || (name == "/Off")) {
                     okay = true;
                     setCheckBoxValue((name == "/Yes"));
                 }
             }
-            if (! okay)
-            {
+            if (!okay) {
                 this->oh.warnIfPossible(
                     "ignoring attempt to set a checkbox field to a"
                     " value of other than /Yes or /Off");
             }
-        }
-        else if (isRadioButton())
-        {
-            if (value.isName())
-            {
+        } else if (isRadioButton()) {
+            if (value.isName()) {
                 setRadioButtonValue(value);
-            }
-            else
-            {
+            } else {
                 this->oh.warnIfPossible(
                     "ignoring attempt to set a radio button field to"
                     " an object that is not a name");
             }
-        }
-        else if (isPushbutton())
-        {
+        } else if (isPushbutton()) {
             this->oh.warnIfPossible(
                 "ignoring attempt set the value of a pushbutton field");
         }
         return;
     }
-    if (value.isString())
-    {
+    if (value.isString()) {
         setFieldAttribute(
             "/V", QPDFObjectHandle::newUnicodeString(value.getUTF8Value()));
-    }
-    else
-    {
+    } else {
         setFieldAttribute("/V", value);
     }
-    if (need_appearances)
-    {
-        QPDF* qpdf = this->oh.getOwningQPDF();
-        if (! qpdf)
-        {
-            throw std::logic_error(
-                "QPDFFormFieldObjectHelper::setV called with"
-                " need_appearances = true on an object that is"
-                " not associated with an owning QPDF");
-        }
-        QPDFAcroFormDocumentHelper(*qpdf).setNeedAppearances(true);
+    if (need_appearances) {
+        QPDF& qpdf = this->oh.getQPDF(
+            "QPDFFormFieldObjectHelper::setV called with need_appearances = "
+            "true on an object that is not associated with an owning QPDF");
+        QPDFAcroFormDocumentHelper(qpdf).setNeedAppearances(true);
     }
 }
 
@@ -344,8 +373,7 @@
 QPDFFormFieldObjectHelper::setV(
     std::string const& utf8_value, bool need_appearances)
 {
-    setV(QPDFObjectHandle::newUnicodeString(utf8_value),
-         need_appearances);
+    setV(QPDFObjectHandle::newUnicodeString(utf8_value), need_appearances);
 }
 
 void
@@ -364,74 +392,62 @@
     // Note that we never turn on /NeedAppearances when setting a
     // radio button field.
     QPDFObjectHandle parent = this->oh.getKey("/Parent");
-    if (parent.isDictionary() && parent.getKey("/Parent").isNull())
-    {
+    if (parent.isDictionary() && parent.getKey("/Parent").isNull()) {
         QPDFFormFieldObjectHelper ph(parent);
-        if (ph.isRadioButton())
-        {
+        if (ph.isRadioButton()) {
             // This is most likely one of the individual buttons. Try
             // calling on the parent.
-            QTC::TC("qpdf", "QPDFFormFieldObjectHelper set parent radio button");
+            QTC::TC(
+                "qpdf", "QPDFFormFieldObjectHelper set parent radio button");
             ph.setRadioButtonValue(name);
             return;
         }
     }
 
     QPDFObjectHandle kids = this->oh.getKey("/Kids");
-    if (! (isRadioButton() && parent.isNull() && kids.isArray()))
-    {
+    if (!(isRadioButton() && parent.isNull() && kids.isArray())) {
         this->oh.warnIfPossible("don't know how to set the value"
                                 " of this field as a radio button");
         return;
     }
     setFieldAttribute("/V", name);
     int nkids = kids.getArrayNItems();
-    for (int i = 0; i < nkids; ++i)
-    {
+    for (int i = 0; i < nkids; ++i) {
         QPDFObjectHandle kid = kids.getArrayItem(i);
         QPDFObjectHandle AP = kid.getKey("/AP");
         QPDFObjectHandle annot;
-        if (AP.isNull())
-        {
+        if (AP.isNull()) {
             // The widget may be below. If there is more than one,
             // just find the first one.
             QPDFObjectHandle grandkids = kid.getKey("/Kids");
-            if (grandkids.isArray())
-            {
+            if (grandkids.isArray()) {
                 int ngrandkids = grandkids.getArrayNItems();
-                for (int j = 0; j < ngrandkids; ++j)
-                {
+                for (int j = 0; j < ngrandkids; ++j) {
                     QPDFObjectHandle grandkid = grandkids.getArrayItem(j);
                     AP = grandkid.getKey("/AP");
-                    if (! AP.isNull())
-                    {
-                        QTC::TC("qpdf", "QPDFFormFieldObjectHelper radio button grandkid widget");
+                    if (!AP.isNull()) {
+                        QTC::TC(
+                            "qpdf",
+                            "QPDFFormFieldObjectHelper radio button grandkid");
                         annot = grandkid;
                         break;
                     }
                 }
             }
-        }
-        else
-        {
+        } else {
             annot = kid;
         }
-        if (! annot.isInitialized())
-        {
+        if (!annot.isInitialized()) {
             QTC::TC("qpdf", "QPDFObjectHandle broken radio button");
             this->oh.warnIfPossible(
                 "unable to set the value of this radio button");
             continue;
         }
-        if (AP.isDictionary() &&
-            AP.getKey("/N").isDictionary() &&
-            AP.getKey("/N").hasKey(name.getName()))
-        {
+        if (AP.isDictionary() && AP.getKey("/N").isDictionary() &&
+            AP.getKey("/N").hasKey(name.getName())) {
             QTC::TC("qpdf", "QPDFFormFieldObjectHelper turn on radio button");
             annot.replaceKey("/AS", name);
-        }
-        else
-        {
+        } else {
             QTC::TC("qpdf", "QPDFFormFieldObjectHelper turn off radio button");
             annot.replaceKey("/AS", QPDFObjectHandle::newName("/Off"));
         }
@@ -442,41 +458,34 @@
 QPDFFormFieldObjectHelper::setCheckBoxValue(bool value)
 {
     // Set /AS to /Yes or /Off in addition to setting /V.
-    QPDFObjectHandle name =
-        QPDFObjectHandle::newName(value ? "/Yes" : "/Off");
+    QPDFObjectHandle name = QPDFObjectHandle::newName(value ? "/Yes" : "/Off");
     setFieldAttribute("/V", name);
     QPDFObjectHandle AP = this->oh.getKey("/AP");
     QPDFObjectHandle annot;
-    if (AP.isNull())
-    {
+    if (AP.isNull()) {
         // The widget may be below. If there is more than one, just
         // find the first one.
         QPDFObjectHandle kids = this->oh.getKey("/Kids");
-        if (kids.isArray())
-        {
+        if (kids.isArray()) {
             int nkids = kids.getArrayNItems();
-            for (int i = 0; i < nkids; ++i)
-            {
+            for (int i = 0; i < nkids; ++i) {
                 QPDFObjectHandle kid = kids.getArrayItem(i);
                 AP = kid.getKey("/AP");
-                if (! AP.isNull())
-                {
-                    QTC::TC("qpdf", "QPDFFormFieldObjectHelper checkbox kid widget");
+                if (!AP.isNull()) {
+                    QTC::TC(
+                        "qpdf",
+                        "QPDFFormFieldObjectHelper checkbox kid widget");
                     annot = kid;
                     break;
                 }
             }
         }
-    }
-    else
-    {
+    } else {
         annot = this->oh;
     }
-    if (! annot.isInitialized())
-    {
+    if (!annot.isInitialized()) {
         QTC::TC("qpdf", "QPDFObjectHandle broken checkbox");
-        this->oh.warnIfPossible(
-            "unable to set the value of this checkbox");
+        this->oh.warnIfPossible("unable to set the value of this checkbox");
         return;
     }
     QTC::TC("qpdf", "QPDFFormFieldObjectHelper set checkbox AS");
@@ -490,38 +499,44 @@
     // Ignore field types we don't know how to generate appearances
     // for. Button fields don't really need them -- see code in
     // QPDFAcroFormDocumentHelper::generateAppearancesIfNeeded.
-    if ((ft == "/Tx") || (ft == "/Ch"))
-    {
+    if ((ft == "/Tx") || (ft == "/Ch")) {
         generateTextAppearance(aoh);
     }
 }
 
-class ValueSetter: public QPDFObjectHandle::TokenFilter
-{
-  public:
-    ValueSetter(std::string const& DA, std::string const& V,
-                std::vector<std::string> const& opt, double tf,
-                QPDFObjectHandle::Rectangle const& bbox);
-    virtual ~ValueSetter()
-    {
-    }
-    virtual void handleToken(QPDFTokenizer::Token const&);
-    virtual void handleEOF();
-    void writeAppearance();
-
-  private:
-    std::string DA;
-    std::string V;
-    std::vector<std::string> opt;
-    double tf;
-    QPDFObjectHandle::Rectangle bbox;
-    enum { st_top, st_bmc, st_emc, st_end } state;
-    bool replaced;
-};
-
-ValueSetter::ValueSetter(std::string const& DA, std::string const& V,
-                         std::vector<std::string> const& opt, double tf,
-                         QPDFObjectHandle::Rectangle const& bbox) :
+namespace
+{
+    class ValueSetter: public QPDFObjectHandle::TokenFilter
+    {
+      public:
+        ValueSetter(
+            std::string const& DA,
+            std::string const& V,
+            std::vector<std::string> const& opt,
+            double tf,
+            QPDFObjectHandle::Rectangle const& bbox);
+        virtual ~ValueSetter() = default;
+        virtual void handleToken(QPDFTokenizer::Token const&);
+        virtual void handleEOF();
+        void writeAppearance();
+
+      private:
+        std::string DA;
+        std::string V;
+        std::vector<std::string> opt;
+        double tf;
+        QPDFObjectHandle::Rectangle bbox;
+        enum { st_top, st_bmc, st_emc, st_end } state;
+        bool replaced;
+    };
+} // namespace
+
+ValueSetter::ValueSetter(
+    std::string const& DA,
+    std::string const& V,
+    std::vector<std::string> const& opt,
+    double tf,
+    QPDFObjectHandle::Rectangle const& bbox) :
     DA(DA),
     V(V),
     opt(opt),
@@ -538,42 +553,35 @@
     QPDFTokenizer::token_type_e ttype = token.getType();
     std::string value = token.getValue();
     bool do_replace = false;
-    switch (state)
-    {
-        case st_top:
-          writeToken(token);
-          if ((ttype == QPDFTokenizer::tt_word) && (value == "BMC"))
-          {
-              state = st_bmc;
-          }
-          break;
-
-      case st_bmc:
+    switch (state) {
+    case st_top:
+        writeToken(token);
+        if ((ttype == QPDFTokenizer::tt_word) && (value == "BMC")) {
+            state = st_bmc;
+        }
+        break;
+
+    case st_bmc:
         if ((ttype == QPDFTokenizer::tt_space) ||
-            (ttype == QPDFTokenizer::tt_comment))
-        {
+            (ttype == QPDFTokenizer::tt_comment)) {
             writeToken(token);
-        }
-        else
-        {
+        } else {
             state = st_emc;
         }
         // fall through to emc
 
-      case st_emc:
-        if ((ttype == QPDFTokenizer::tt_word) && (value == "EMC"))
-        {
+    case st_emc:
+        if ((ttype == QPDFTokenizer::tt_word) && (value == "EMC")) {
             do_replace = true;
             state = st_end;
         }
         break;
 
-      case st_end:
+    case st_end:
         writeToken(token);
         break;
     }
-    if (do_replace)
-    {
+    if (do_replace) {
         writeAppearance();
     }
 }
@@ -581,8 +589,7 @@
 void
 ValueSetter::handleEOF()
 {
-    if (! this->replaced)
-    {
+    if (!this->replaced) {
         QTC::TC("qpdf", "QPDFFormFieldObjectHelper replaced BMC at EOF");
         write("/Tx BMC\n");
         writeAppearance();
@@ -609,62 +616,51 @@
     size_t highlight_idx = 0;
 
     std::vector<std::string> lines;
-    if (opt.empty() || (max_rows < 2))
-    {
+    if (opt.empty() || (max_rows < 2)) {
         lines.push_back(V);
-    }
-    else
-    {
+    } else {
         // Figure out what rows to write
         size_t nopt = opt.size();
         size_t found_idx = 0;
         bool found = false;
-        for (found_idx = 0; found_idx < nopt; ++found_idx)
-        {
-            if (opt.at(found_idx) == V)
-            {
+        for (found_idx = 0; found_idx < nopt; ++found_idx) {
+            if (opt.at(found_idx) == V) {
                 found = true;
                 break;
             }
         }
-        if (found)
-        {
+        if (found) {
             // Try to make the found item the second one, but
             // adjust for under/overflow.
-            int wanted_first = found_idx - 1;
-            int wanted_last = found_idx + max_rows - 2;
+            int wanted_first = QIntC::to_int(found_idx) - 1;
+            int wanted_last = QIntC::to_int(found_idx + max_rows) - 2;
             QTC::TC("qpdf", "QPDFFormFieldObjectHelper list found");
-            while (wanted_first < 0)
-            {
+            while (wanted_first < 0) {
                 QTC::TC("qpdf", "QPDFFormFieldObjectHelper list first too low");
                 ++wanted_first;
                 ++wanted_last;
             }
-            while (wanted_last >= static_cast<int>(nopt))
-            {
+            while (wanted_last >= QIntC::to_int(nopt)) {
                 QTC::TC("qpdf", "QPDFFormFieldObjectHelper list last too high");
-                if (wanted_first > 0)
-                {
+                if (wanted_first > 0) {
                     --wanted_first;
                 }
                 --wanted_last;
             }
             highlight = true;
-            highlight_idx = found_idx - wanted_first;
-            for (int i = wanted_first; i <= wanted_last; ++i)
-            {
+            highlight_idx = found_idx - QIntC::to_size(wanted_first);
+            for (size_t i = QIntC::to_size(wanted_first);
+                 i <= QIntC::to_size(wanted_last);
+                 ++i) {
                 lines.push_back(opt.at(i));
             }
-        }
-        else
-        {
+        } else {
             QTC::TC("qpdf", "QPDFFormFieldObjectHelper list not found");
             // include our value and the first n-1 rows
             highlight_idx = 0;
             highlight = true;
             lines.push_back(V);
-            for (size_t i = 0; ((i < nopt) && (i < (max_rows - 1))); ++i)
-            {
+            for (size_t i = 0; ((i < nopt) && (i < (max_rows - 1))); ++i) {
                 lines.push_back(opt.at(i));
             }
         }
@@ -672,32 +668,31 @@
 
     // Write the lines centered vertically, highlighting if needed
     size_t nlines = lines.size();
-    double dy = bbox.ury - ((bbox.ury - bbox.lly - (nlines * tfh)) / 2.0);
-    if (highlight)
-    {
-        write("q\n0.85 0.85 0.85 rg\n" +
-              QUtil::int_to_string(bbox.llx) + " " +
-              QUtil::double_to_string(bbox.lly + dy -
-                                      (tfh * (highlight_idx + 1))) + " " +
-              QUtil::int_to_string(bbox.urx - bbox.llx) + " " +
-              QUtil::double_to_string(tfh) +
-              " re f\nQ\n");
+    double dy = bbox.ury -
+        ((bbox.ury - bbox.lly - (static_cast<double>(nlines) * tfh)) / 2.0);
+    if (highlight) {
+        write(
+            "q\n0.85 0.85 0.85 rg\n" + QUtil::double_to_string(bbox.llx) + " " +
+            QUtil::double_to_string(
+                bbox.lly + dy -
+                (tfh * (static_cast<double>(highlight_idx + 1)))) +
+            " " + QUtil::double_to_string(bbox.urx - bbox.llx) + " " +
+            QUtil::double_to_string(tfh) + " re f\nQ\n");
     }
     dy -= tf;
     write("q\nBT\n" + DA + "\n");
-    for (size_t i = 0; i < nlines; ++i)
-    {
+    for (size_t i = 0; i < nlines; ++i) {
         // We could adjust Tm to translate to the beginning the first
         // line, set TL to tfh, and use T* for each subsequent line,
         // but doing this would require extracting any Tm from DA,
         // which doesn't seem really worth the effort.
-        if (i == 0)
-        {
-            write(QUtil::int_to_string(bbox.llx + dx) + " " +
-                  QUtil::double_to_string(bbox.lly + dy) + " Td\n");
-        }
-        else
-        {
+        if (i == 0) {
+            write(
+                QUtil::double_to_string(bbox.llx + static_cast<double>(dx)) +
+                " " +
+                QUtil::double_to_string(bbox.lly + static_cast<double>(dy)) +
+                " Td\n");
+        } else {
             write("0 " + QUtil::double_to_string(-tfh) + " Td\n");
         }
         write(QPDFObjectHandle::newString(lines.at(i)).unparse() + " Tj\n");
@@ -705,33 +700,36 @@
     write("ET\nQ\nEMC");
 }
 
-class TfFinder: public QPDFObjectHandle::TokenFilter
+namespace
 {
-  public:
-    TfFinder();
-    virtual ~TfFinder()
+    class TfFinder: public QPDFObjectHandle::TokenFilter
     {
-    }
-    virtual void handleToken(QPDFTokenizer::Token const&);
-    double getTf();
-    std::string getFontName();
-    std::string getDA();
-
-  private:
-    double tf;
-    size_t tf_idx;
-    std::string font_name;
-    double last_num;
-    size_t last_num_idx;
-    std::string last_name;
-    std::vector<std::string> DA;
-};
+      public:
+        TfFinder();
+        virtual ~TfFinder()
+        {
+        }
+        virtual void handleToken(QPDFTokenizer::Token const&);
+        double getTf();
+        std::string getFontName();
+        std::string getDA();
+
+      private:
+        double tf;
+        int tf_idx;
+        std::string font_name;
+        double last_num;
+        int last_num_idx;
+        std::string last_name;
+        std::vector<std::string> DA;
+    };
+} // namespace
 
 TfFinder::TfFinder() :
     tf(11.0),
-    tf_idx(0),
+    tf_idx(-1),
     last_num(0.0),
-    last_num_idx(0)
+    last_num_idx(-1)
 {
 }
 
@@ -741,32 +739,30 @@
     QPDFTokenizer::token_type_e ttype = token.getType();
     std::string value = token.getValue();
     DA.push_back(token.getRawValue());
-    switch (ttype)
-    {
-      case QPDFTokenizer::tt_integer:
-      case QPDFTokenizer::tt_real:
-        last_num = strtod(value.c_str(), 0);
-        last_num_idx = DA.size() - 1;
+    switch (ttype) {
+    case QPDFTokenizer::tt_integer:
+    case QPDFTokenizer::tt_real:
+        last_num = strtod(value.c_str(), nullptr);
+        last_num_idx = QIntC::to_int(DA.size() - 1);
         break;
 
-      case QPDFTokenizer::tt_name:
+    case QPDFTokenizer::tt_name:
         last_name = value;
         break;
 
-      case QPDFTokenizer::tt_word:
-        if ((value == "Tf") &&
-            (last_num > 1.0) &&
-            (last_num < 1000.0))
-        {
-            // These ranges are arbitrary but keep us from doing
-            // insane things or suffering from over/underflow
-            tf = last_num;
+    case QPDFTokenizer::tt_word:
+        if (value == "Tf") {
+            if ((last_num > 1.0) && (last_num < 1000.0)) {
+                // These ranges are arbitrary but keep us from doing
+                // insane things or suffering from over/underflow
+                tf = last_num;
+            }
+            tf_idx = last_num_idx;
+            font_name = last_name;
         }
-        tf_idx = last_num_idx;
-        font_name = last_name;
         break;
 
-      default:
+    default:
         break;
     }
 }
@@ -782,14 +778,11 @@
 {
     std::string result;
     size_t n = this->DA.size();
-    for (size_t i = 0; i < n; ++i)
-    {
+    for (size_t i = 0; i < n; ++i) {
         std::string cur = this->DA.at(i);
-        if (i == tf_idx)
-        {
-            double delta = strtod(cur.c_str(), 0) - this->tf;
-            if ((delta > 0.001) || (delta < -0.001))
-            {
+        if (QIntC::to_int(i) == tf_idx) {
+            double delta = strtod(cur.c_str(), nullptr) - this->tf;
+            if ((delta > 0.001) || (delta < -0.001)) {
                 // tf doesn't match the font size passed to Tf, so
                 // substitute.
                 QTC::TC("qpdf", "QPDFFormFieldObjectHelper fallback Tf");
@@ -812,10 +805,8 @@
     QPDFObjectHandle resources, std::string const& name)
 {
     QPDFObjectHandle result;
-    if (resources.isDictionary() &&
-        resources.getKey("/Font").isDictionary() &&
-        resources.getKey("/Font").hasKey(name))
-    {
+    if (resources.isDictionary() && resources.getKey("/Font").isDictionary() &&
+        resources.getKey("/Font").hasKey(name)) {
         result = resources.getKey("/Font").getKey(name);
     }
     return result;
@@ -826,8 +817,7 @@
     QPDFAnnotationObjectHelper& aoh)
 {
     QPDFObjectHandle AS = aoh.getAppearanceStream("/N");
-    if (AS.isNull())
-    {
+    if (AS.isNull()) {
         QTC::TC("qpdf", "QPDFFormFieldObjectHelper create AS from scratch");
         QPDFObjectHandle::Rectangle rect = aoh.getRect();
         QPDFObjectHandle::Rectangle bbox(
@@ -840,8 +830,7 @@
             this->oh.getOwningQPDF(), "/Tx BMC\nEMC\n");
         AS.replaceDict(dict);
         QPDFObjectHandle AP = aoh.getAppearanceDictionary();
-        if (AP.isNull())
-        {
+        if (AP.isNull()) {
             QTC::TC("qpdf", "QPDFFormFieldObjectHelper create AP from scratch");
             aoh.getObjectHandle().replaceKey(
                 "/AP", QPDFObjectHandle::newDictionary());
@@ -849,15 +838,13 @@
         }
         AP.replaceKey("/N", AS);
     }
-    if (! AS.isStream())
-    {
+    if (!AS.isStream()) {
         aoh.getObjectHandle().warnIfPossible(
             "unable to get normal appearance stream for update");
         return;
     }
     QPDFObjectHandle bbox_obj = AS.getDict().getKey("/BBox");
-    if (! bbox_obj.isRectangle())
-    {
+    if (!bbox_obj.isRectangle()) {
         aoh.getObjectHandle().warnIfPossible(
             "unable to get appearance stream bounding box");
         return;
@@ -866,51 +853,59 @@
     std::string DA = getDefaultAppearance();
     std::string V = getValueAsString();
     std::vector<std::string> opt;
-    if (isChoice() && ((getFlags() & ff_ch_combo) == 0))
-    {
+    if (isChoice() && ((getFlags() & ff_ch_combo) == 0)) {
         opt = getChoices();
     }
 
     TfFinder tff;
     Pl_QPDFTokenizer tok("tf", &tff);
-    tok.write(QUtil::unsigned_char_pointer(DA.c_str()), DA.length());
+    tok.writeString(DA);
     tok.finish();
     double tf = tff.getTf();
     DA = tff.getDA();
 
     std::string (*encoder)(std::string const&, char) = &QUtil::utf8_to_ascii;
     std::string font_name = tff.getFontName();
-    if (! font_name.empty())
-    {
+    if (!font_name.empty()) {
         // See if the font is encoded with something we know about.
         QPDFObjectHandle resources = AS.getDict().getKey("/Resources");
         QPDFObjectHandle font = getFontFromResource(resources, font_name);
-        if (! font.isInitialized())
-        {
-            QPDFObjectHandle dr = getInheritableFieldValue("/DR");
+        bool found_font_in_dr = false;
+        if (!font.isInitialized()) {
+            QPDFObjectHandle dr = getDefaultResources();
             font = getFontFromResource(dr, font_name);
+            found_font_in_dr = font.isDictionary();
         }
-        if (font.isDictionary() &&
-            font.getKey("/Encoding").isName())
-        {
+        if (found_font_in_dr && resources.isDictionary()) {
+            QTC::TC("qpdf", "QPDFFormFieldObjectHelper get font from /DR");
+            if (resources.isIndirect()) {
+                resources = resources.getQPDF().makeIndirectObject(
+                    resources.shallowCopy());
+                AS.getDict().replaceKey("/Resources", resources);
+            }
+            // Use mergeResources to force /Font to be local
+            resources.mergeResources("<< /Font << >> >>"_qpdf);
+            resources.getKey("/Font").replaceKey(font_name, font);
+        }
+
+        if (font.isDictionary() && font.getKey("/Encoding").isName()) {
             std::string encoding = font.getKey("/Encoding").getName();
-            if (encoding == "/WinAnsiEncoding")
-            {
+            if (encoding == "/WinAnsiEncoding") {
                 QTC::TC("qpdf", "QPDFFormFieldObjectHelper WinAnsi");
                 encoder = &QUtil::utf8_to_win_ansi;
-            }
-            else if (encoding == "/MacRomanEncoding")
-            {
+            } else if (encoding == "/MacRomanEncoding") {
                 encoder = &QUtil::utf8_to_mac_roman;
             }
         }
     }
 
     V = (*encoder)(V, '?');
-    for (size_t i = 0; i < opt.size(); ++i)
-    {
+    for (size_t i = 0; i < opt.size(); ++i) {
         opt.at(i) = (*encoder)(opt.at(i), '?');
     }
 
-    AS.addTokenFilter(new ValueSetter(DA, V, opt, tf, bbox));
+    AS.addTokenFilter(
+        // line-break
+        std::shared_ptr<QPDFObjectHandle::TokenFilter>(
+            new ValueSetter(DA, V, opt, tf, bbox)));
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFJob.cc Added

@@ -0,0 +1,3488 @@
+#include <qpdf/QPDFJob.hh>
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctype.h>
+#include <fcntl.h>
+#include <iostream>
+#include <memory>
+
+#include <qpdf/ClosedFileInputSource.hh>
+#include <qpdf/FileInputSource.hh>
+#include <qpdf/Pl_Count.hh>
+#include <qpdf/Pl_DCT.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_OStream.hh>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/Pl_String.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFAcroFormDocumentHelper.hh>
+#include <qpdf/QPDFArgParser.hh>
+#include <qpdf/QPDFCryptoProvider.hh>
+#include <qpdf/QPDFEmbeddedFileDocumentHelper.hh>
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QPDFOutlineDocumentHelper.hh>
+#include <qpdf/QPDFPageDocumentHelper.hh>
+#include <qpdf/QPDFPageLabelDocumentHelper.hh>
+#include <qpdf/QPDFPageObjectHelper.hh>
+#include <qpdf/QPDFSystemError.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+#include <qpdf/auto_job_schema.hh> // JOB_SCHEMA_DATA
+
+namespace
+{
+    class ImageOptimizer: public QPDFObjectHandle::StreamDataProvider
+    {
+      public:
+        ImageOptimizer(
+            QPDFJob& o,
+            size_t oi_min_width,
+            size_t oi_min_height,
+            size_t oi_min_area,
+            QPDFObjectHandle& image);
+        virtual ~ImageOptimizer() = default;
+        virtual void provideStreamData(QPDFObjGen const&, Pipeline* pipeline);
+        std::shared_ptr<Pipeline>
+        makePipeline(std::string const& description, Pipeline* next);
+        bool evaluate(std::string const& description);
+
+      private:
+        QPDFJob& o;
+        size_t oi_min_width;
+        size_t oi_min_height;
+        size_t oi_min_area;
+        QPDFObjectHandle image;
+    };
+
+    class DiscardContents: public QPDFObjectHandle::ParserCallbacks
+    {
+      public:
+        virtual ~DiscardContents() = default;
+        virtual void
+        handleObject(QPDFObjectHandle)
+        {
+        }
+        virtual void
+        handleEOF()
+        {
+        }
+    };
+
+    struct QPDFPageData
+    {
+        QPDFPageData(
+            std::string const& filename, QPDF* qpdf, std::string const& range);
+        QPDFPageData(QPDFPageData const& other, int page);
+
+        std::string filename;
+        QPDF* qpdf;
+        std::vector<QPDFObjectHandle> orig_pages;
+        std::vector<int> selected_pages;
+    };
+
+    class ProgressReporter: public QPDFWriter::ProgressReporter
+    {
+      public:
+        ProgressReporter(
+            Pipeline& p, std::string const& prefix, char const* filename) :
+            p(p),
+            prefix(prefix),
+            filename(filename)
+        {
+        }
+        virtual ~ProgressReporter() = default;
+        virtual void reportProgress(int);
+
+      private:
+        Pipeline& p;
+        std::string prefix;
+        std::string filename;
+    };
+} // namespace
+
+ImageOptimizer::ImageOptimizer(
+    QPDFJob& o,
+    size_t oi_min_width,
+    size_t oi_min_height,
+    size_t oi_min_area,
+    QPDFObjectHandle& image) :
+    o(o),
+    oi_min_width(oi_min_width),
+    oi_min_height(oi_min_height),
+    oi_min_area(oi_min_area),
+    image(image)
+{
+}
+
+std::shared_ptr<Pipeline>
+ImageOptimizer::makePipeline(std::string const& description, Pipeline* next)
+{
+    std::shared_ptr<Pipeline> result;
+    QPDFObjectHandle dict = image.getDict();
+    QPDFObjectHandle w_obj = dict.getKey("/Width");
+    QPDFObjectHandle h_obj = dict.getKey("/Height");
+    QPDFObjectHandle colorspace_obj = dict.getKey("/ColorSpace");
+    if (!(w_obj.isNumber() && h_obj.isNumber())) {
+        if (!description.empty()) {
+            o.doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                v << prefix << ": " << description
+                  << ": not optimizing because image dictionary"
+                  << " is missing required keys\n";
+            });
+        }
+        return result;
+    }
+    QPDFObjectHandle components_obj = dict.getKey("/BitsPerComponent");
+    if (!(components_obj.isInteger() && (components_obj.getIntValue() == 8))) {
+        QTC::TC("qpdf", "QPDFJob image optimize bits per component");
+        if (!description.empty()) {
+            o.doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                v << prefix << ": " << description
+                  << ": not optimizing because image has other than"
+                  << " 8 bits per component\n";
+            });
+        }
+        return result;
+    }
+    // Files have been seen in the wild whose width and height are
+    // floating point, which is goofy, but we can deal with it.
+    JDIMENSION w = 0;
+    if (w_obj.isInteger()) {
+        w = w_obj.getUIntValueAsUInt();
+    } else {
+        w = static_cast<JDIMENSION>(w_obj.getNumericValue());
+    }
+    JDIMENSION h = 0;
+    if (h_obj.isInteger()) {
+        h = h_obj.getUIntValueAsUInt();
+    } else {
+        h = static_cast<JDIMENSION>(h_obj.getNumericValue());
+    }
+    std::string colorspace =
+        (colorspace_obj.isName() ? colorspace_obj.getName() : std::string());
+    int components = 0;
+    J_COLOR_SPACE cs = JCS_UNKNOWN;
+    if (colorspace == "/DeviceRGB") {
+        components = 3;
+        cs = JCS_RGB;
+    } else if (colorspace == "/DeviceGray") {
+        components = 1;
+        cs = JCS_GRAYSCALE;
+    } else if (colorspace == "/DeviceCMYK") {
+        components = 4;
+        cs = JCS_CMYK;
+    } else {
+        QTC::TC("qpdf", "QPDFJob image optimize colorspace");
+        if (!description.empty()) {
+            o.doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                v << prefix << ": " << description
+                  << ": not optimizing because qpdf can't optimize"
+                  << " images with this colorspace\n";
+            });
+        }
+        return result;
+    }
+    if (((this->oi_min_width > 0) && (w <= this->oi_min_width)) ||
+        ((this->oi_min_height > 0) && (h <= this->oi_min_height)) ||
+        ((this->oi_min_area > 0) && ((w * h) <= this->oi_min_area))) {
+        QTC::TC("qpdf", "QPDFJob image optimize too small");
+        if (!description.empty()) {
+            o.doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                v << prefix << ": " << description
+                  << ": not optimizing because image"
+                  << " is smaller than requested minimum dimensions\n";
+            });
+        }
+        return result;
+    }
+
+    result = std::make_shared<Pl_DCT>("jpg", next, w, h, components, cs);
+    return result;
+}
+
+bool
+ImageOptimizer::evaluate(std::string const& description)
+{
+    if (!image.pipeStreamData(nullptr, 0, qpdf_dl_specialized, true)) {
+        QTC::TC("qpdf", "QPDFJob image optimize no pipeline");
+        o.doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": " << description
+              << ": not optimizing because unable to decode data"
+              << " or data already uses DCT\n";
+        });
+        return false;
+    }
+    Pl_Discard d;
+    Pl_Count c("count", &d);
+    std::shared_ptr<Pipeline> p = makePipeline(description, &c);
+    if (p == nullptr) {
+        // message issued by makePipeline
+        return false;
+    }
+    if (!image.pipeStreamData(p.get(), 0, qpdf_dl_specialized)) {
+        return false;
+    }
+    long long orig_length = image.getDict().getKey("/Length").getIntValue();
+    if (c.getCount() >= orig_length) {
+        QTC::TC("qpdf", "QPDFJob image optimize no shrink");
+        o.doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": " << description
+              << ": not optimizing because DCT compression does not"
+              << " reduce image size\n";
+        });
+        return false;
+    }
+    o.doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+        v << prefix << ": " << description
+          << ": optimizing image reduces size from " << orig_length << " to "
+          << c.getCount() << "\n";
+    });
+    return true;
+}
+
+void
+ImageOptimizer::provideStreamData(QPDFObjGen const&, Pipeline* pipeline)
+{
+    std::shared_ptr<Pipeline> p = makePipeline("", pipeline);
+    if (p == nullptr) {
+        // Should not be possible
+        image.warnIfPossible("unable to create pipeline after previous"
+                             " success; image data will be lost");
+        pipeline->finish();
+        return;
+    }
+    image.pipeStreamData(p.get(), 0, qpdf_dl_specialized, false, false);
+}
+
+QPDFJob::PageSpec::PageSpec(
+    std::string const& filename,
+    char const* password,
+    std::string const& range) :
+    filename(filename),
+    range(range)
+{
+    if (password) {
+        this->password = QUtil::make_shared_cstr(password);
+    }
+}
+
+QPDFPageData::QPDFPageData(
+    std::string const& filename, QPDF* qpdf, std::string const& range) :
+    filename(filename),
+    qpdf(qpdf),
+    orig_pages(qpdf->getAllPages())
+{
+    try {
+        this->selected_pages = QUtil::parse_numrange(
+            range.c_str(), QIntC::to_int(this->orig_pages.size()));
+    } catch (std::runtime_error& e) {
+        throw std::runtime_error(
+            "parsing numeric range for " + filename + ": " + e.what());
+    }
+}
+
+QPDFPageData::QPDFPageData(QPDFPageData const& other, int page) :
+    filename(other.filename),
+    qpdf(other.qpdf),
+    orig_pages(other.orig_pages)
+{
+    this->selected_pages.push_back(page);
+}
+
+void
+ProgressReporter::reportProgress(int percentage)
+{
+    this->p << prefix << ": " << filename << ": write progress: " << percentage
+            << "%\n";
+}
+
+// These default values are duplicated in help and docs.
+static int constexpr DEFAULT_KEEP_FILES_OPEN_THRESHOLD = 200;
+static int constexpr DEFAULT_OI_MIN_WIDTH = 128;
+static int constexpr DEFAULT_OI_MIN_HEIGHT = 128;
+static int constexpr DEFAULT_OI_MIN_AREA = 16384;
+static int constexpr DEFAULT_II_MIN_BYTES = 1024;
+
+QPDFJob::Members::Members() :
+    log(QPDFLogger::defaultLogger()),
+    message_prefix("qpdf"),
+    warnings(false),
+    encryption_status(0),
+    verbose(false),
+    password(nullptr),
+    linearize(false),
+    decrypt(false),
+    split_pages(0),
+    progress(false),
+    progress_handler(nullptr),
+    suppress_warnings(false),
+    warnings_exit_zero(false),
+    copy_encryption(false),
+    encryption_file_password(nullptr),
+    encrypt(false),
+    password_is_hex_key(false),
+    suppress_password_recovery(false),
+    password_mode(pm_auto),
+    allow_insecure(false),
+    allow_weak_crypto(false),
+    keylen(0),
+    r2_print(true),
+    r2_modify(true),
+    r2_extract(true),
+    r2_annotate(true),
+    r3_accessibility(true),
+    r3_extract(true),
+    r3_assemble(true),
+    r3_annotate_and_form(true),
+    r3_form_filling(true),
+    r3_modify_other(true),
+    r3_print(qpdf_r3p_full),
+    force_V4(false),
+    force_R5(false),
+    cleartext_metadata(false),
+    use_aes(false),
+    stream_data_set(false),
+    stream_data_mode(qpdf_s_compress),
+    compress_streams(true),
+    compress_streams_set(false),
+    recompress_flate(false),
+    recompress_flate_set(false),
+    compression_level(-1),
+    decode_level(qpdf_dl_generalized),
+    decode_level_set(false),
+    normalize_set(false),
+    normalize(false),
+    suppress_recovery(false),
+    object_stream_set(false),
+    object_stream_mode(qpdf_o_preserve),
+    ignore_xref_streams(false),
+    qdf_mode(false),
+    preserve_unreferenced_objects(false),
+    remove_unreferenced_page_resources(re_auto),
+    keep_files_open(true),
+    keep_files_open_set(false),
+    keep_files_open_threshold(DEFAULT_KEEP_FILES_OPEN_THRESHOLD),
+    newline_before_endstream(false),
+    coalesce_contents(false),
+    flatten_annotations(false),
+    flatten_annotations_required(0),
+    flatten_annotations_forbidden(an_invisible | an_hidden),
+    generate_appearances(false),
+    show_npages(false),
+    deterministic_id(false),
+    static_id(false),
+    static_aes_iv(false),
+    suppress_original_object_id(false),
+    show_encryption(false),
+    show_encryption_key(false),
+    check_linearization(false),
+    show_linearization(false),
+    show_xref(false),
+    show_trailer(false),
+    show_obj(0),
+    show_gen(0),
+    show_raw_stream_data(false),
+    show_filtered_stream_data(false),
+    show_pages(false),
+    show_page_images(false),
+    collate(0),
+    flatten_rotation(false),
+    list_attachments(false),
+    json_version(0),
+    json_stream_data(qpdf_sj_none),
+    json_stream_data_set(false),
+    test_json_schema(false),
+    check(false),
+    optimize_images(false),
+    externalize_inline_images(false),
+    keep_inline_images(false),
+    remove_page_labels(false),
+    oi_min_width(DEFAULT_OI_MIN_WIDTH),
+    oi_min_height(DEFAULT_OI_MIN_HEIGHT),
+    oi_min_area(DEFAULT_OI_MIN_AREA),
+    ii_min_bytes(DEFAULT_II_MIN_BYTES),
+    underlay("underlay"),
+    overlay("overlay"),
+    under_overlay(nullptr),
+    require_outfile(true),
+    replace_input(false),
+    check_is_encrypted(false),
+    check_requires_password(false),
+    json_input(false),
+    json_output(false),
+    report_mem_usage(false)
+{
+}
+
+QPDFJob::QPDFJob() :
+    m(new Members())
+{
+}
+
+void
+QPDFJob::usage(std::string const& msg)
+{
+    throw QPDFUsage(msg);
+}
+
+void
+QPDFJob::setMessagePrefix(std::string const& message_prefix)
+{
+    this->m->message_prefix = message_prefix;
+}
+
+std::string
+QPDFJob::getMessagePrefix() const
+{
+    return this->m->message_prefix;
+}
+
+std::shared_ptr<QPDFLogger>
+QPDFJob::getLogger()
+{
+    return this->m->log;
+}
+
+void
+QPDFJob::setLogger(std::shared_ptr<QPDFLogger> l)
+{
+    this->m->log = l;
+}
+
+void
+QPDFJob::setOutputStreams(std::ostream* out, std::ostream* err)
+{
+    setLogger(QPDFLogger::create());
+    this->m->log->setOutputStreams(out, err);
+}
+
+void
+QPDFJob::registerProgressReporter(std::function<void(int)> handler)
+{
+    this->m->progress_handler = handler;
+}
+
+void
+QPDFJob::doIfVerbose(
+    std::function<void(Pipeline&, std::string const& prefix)> fn)
+{
+    if (this->m->verbose) {
+        fn(*this->m->log->getInfo(), this->m->message_prefix);
+    }
+}
+
+std::shared_ptr<QPDFJob::Config>
+QPDFJob::config()
+{
+    return std::shared_ptr<Config>(new Config(*this));
+}
+
+std::string
+QPDFJob::job_json_schema_v1()
+{
+    return job_json_schema(1);
+}
+
+std::string
+QPDFJob::job_json_schema(int version)
+{
+    if (version != LATEST_JOB_JSON) {
+        throw std::runtime_error("job_json_schema: version must be 1");
+    }
+    return JOB_SCHEMA_DATA;
+}
+
+void
+QPDFJob::parseRotationParameter(std::string const& parameter)
+{
+    std::string angle_str;
+    std::string range;
+    size_t colon = parameter.find(':');
+    int relative = 0;
+    if (colon != std::string::npos) {
+        if (colon > 0) {
+            angle_str = parameter.substr(0, colon);
+        }
+        if (colon + 1 < parameter.length()) {
+            range = parameter.substr(colon + 1);
+        }
+    } else {
+        angle_str = parameter;
+    }
+    if (angle_str.length() > 0) {
+        char first = angle_str.at(0);
+        if ((first == '+') || (first == '-')) {
+            relative = ((first == '+') ? 1 : -1);
+            angle_str = angle_str.substr(1);
+        } else if (!QUtil::is_digit(angle_str.at(0))) {
+            angle_str = "";
+        }
+    }
+    if (range.empty()) {
+        range = "1-z";
+    }
+    bool range_valid = false;
+    try {
+        QUtil::parse_numrange(range.c_str(), 0);
+        range_valid = true;
+    } catch (std::runtime_error const&) {
+        // ignore
+    }
+    if (range_valid &&
+        ((angle_str == "0") || (angle_str == "90") || (angle_str == "180") ||
+         (angle_str == "270"))) {
+        int angle = QUtil::string_to_int(angle_str.c_str());
+        if (relative == -1) {
+            angle = -angle;
+        }
+        m->rotationsrange = RotationSpec(angle, (relative != 0));
+    } else {
+        usage("invalid parameter to rotate: " + parameter);
+    }
+}
+
+std::vector<int>
+QPDFJob::parseNumrange(char const* range, int max)
+{
+    try {
+        return QUtil::parse_numrange(range, max);
+    } catch (std::runtime_error& e) {
+        usage(e.what());
+    }
+    return std::vector<int>();
+}
+
+void
+QPDFJob::run()
+{
+    checkConfiguration();
+    std::shared_ptr<QPDF> pdf_sp;
+    try {
+        processFile(pdf_sp, m->infilename.get(), m->password.get(), true, true);
+    } catch (QPDFExc& e) {
+        if (e.getErrorCode() == qpdf_e_password) {
+            // Allow certain operations to work when an incorrect
+            // password is supplied.
+            if (m->check_is_encrypted || m->check_requires_password) {
+                this->m->encryption_status =
+                    qpdf_es_encrypted | qpdf_es_password_incorrect;
+                return;
+            }
+            if (m->show_encryption && pdf_sp) {
+                this->m->log->info("Incorrect password supplied\n");
+                showEncryption(*pdf_sp);
+                return;
+            }
+        }
+        throw e;
+    }
+    QPDF& pdf = *pdf_sp;
+    if (pdf.isEncrypted()) {
+        this->m->encryption_status = qpdf_es_encrypted;
+    }
+
+    if (m->check_is_encrypted || m->check_requires_password) {
+        return;
+    }
+
+    // If we are updating from JSON, this has to be done first before
+    // other options may cause transformations to the input.
+    if (!this->m->update_from_json.empty()) {
+        pdf.updateFromJSON(this->m->update_from_json);
+    }
+
+    bool other_warnings = false;
+    std::vector<std::shared_ptr<QPDF>> page_heap;
+    if (!m->page_specs.empty()) {
+        handlePageSpecs(pdf, other_warnings, page_heap);
+    }
+    if (!m->rotations.empty()) {
+        handleRotations(pdf);
+    }
+    handleUnderOverlay(pdf);
+    handleTransformations(pdf);
+
+    if (!createsOutput()) {
+        doInspection(pdf);
+    } else if (m->split_pages) {
+        doSplitPages(pdf, other_warnings);
+    } else {
+        writeOutfile(pdf);
+    }
+    if (!pdf.getWarnings().empty()) {
+        this->m->warnings = true;
+    }
+    if (this->m->warnings && (!this->m->suppress_warnings)) {
+        if (createsOutput()) {
+            *this->m->log->getWarn()
+                << this->m->message_prefix
+                << ": operation succeeded with warnings;"
+                << " resulting file may have some problems\n";
+        } else {
+            *this->m->log->getWarn() << this->m->message_prefix
+                                     << ": operation succeeded with warnings\n";
+        }
+    }
+    if (m->report_mem_usage) {
+        // Call get_max_memory_usage before generating output. When
+        // debugging, it's easier if print statements from
+        // get_max_memory_usage are not interleaved with the output.
+        auto mem_usage = QUtil::get_max_memory_usage();
+        *this->m->log->getWarn()
+            << "qpdf-max-memory-usage " << mem_usage << "\n";
+    }
+}
+
+bool
+QPDFJob::hasWarnings() const
+{
+    return this->m->warnings;
+}
+
+bool
+QPDFJob::createsOutput() const
+{
+    return ((m->outfilename != nullptr) || m->replace_input);
+}
+
+int
+QPDFJob::getExitCode() const
+{
+    if (this->m->check_is_encrypted) {
+        if (this->m->encryption_status & qpdf_es_encrypted) {
+            QTC::TC("qpdf", "QPDFJob check encrypted encrypted");
+            return 0;
+        } else {
+            QTC::TC("qpdf", "QPDFJob check encrypted not encrypted");
+            return EXIT_IS_NOT_ENCRYPTED;
+        }
+    } else if (this->m->check_requires_password) {
+        if (this->m->encryption_status & qpdf_es_encrypted) {
+            if (this->m->encryption_status & qpdf_es_password_incorrect) {
+                QTC::TC("qpdf", "QPDFJob check password password incorrect");
+                return 0;
+            } else {
+                QTC::TC("qpdf", "QPDFJob check password password correct");
+                return EXIT_CORRECT_PASSWORD;
+            }
+        } else {
+            QTC::TC("qpdf", "QPDFJob check password not encrypted");
+            return EXIT_IS_NOT_ENCRYPTED;
+        }
+    }
+
+    if (this->m->warnings && (!this->m->warnings_exit_zero)) {
+        return EXIT_WARNING;
+    }
+    return 0;
+}
+
+void
+QPDFJob::checkConfiguration()
+{
+    // Do final checks for command-line consistency. (I always think
+    // this is called doFinalChecks, so I'm putting that in a
+    // comment.)
+
+    if (m->replace_input) {
+        // Check for --empty appears later after we have checked
+        // m->infilename.
+        if (m->outfilename) {
+            usage("--replace-input may not be used when"
+                  " an output file is specified");
+        } else if (m->split_pages) {
+            usage("--split-pages may not be used with --replace-input");
+        } else if (m->json_version) {
+            usage("--json may not be used with --replace-input");
+        }
+    }
+    if (m->json_version && (m->outfilename == nullptr)) {
+        // The output file is optional with --json for backward
+        // compatibility and defaults to standard output.
+        m->outfilename = QUtil::make_shared_cstr("-");
+    }
+    if (m->infilename == nullptr) {
+        usage("an input file name is required");
+    } else if (m->replace_input && (strlen(m->infilename.get()) == 0)) {
+        usage("--replace-input may not be used with --empty");
+    } else if (
+        m->require_outfile && (m->outfilename == nullptr) &&
+        (!m->replace_input)) {
+        usage("an output file name is required; use - for standard output");
+    } else if (
+        (!m->require_outfile) &&
+        ((m->outfilename != nullptr) || m->replace_input)) {
+        usage("no output file may be given for this option");
+    }
+    if (m->check_requires_password && m->check_is_encrypted) {
+        usage("--requires-password and --is-encrypted may not be given"
+              " together");
+    }
+
+    if (m->encrypt && (!m->allow_insecure) &&
+        (m->owner_password.empty() && (!m->user_password.empty()) &&
+         (m->keylen == 256))) {
+        // Note that empty owner passwords for R < 5 are copied from
+        // the user password, so this lack of security is not an issue
+        // for those files. Also we are consider only the ability to
+        // open the file without a password to be insecure. We are not
+        // concerned about whether the viewer enforces security
+        // settings when the user and owner password match.
+        usage("A PDF with a non-empty user password and an empty owner"
+              " password encrypted with a 256-bit key is insecure as it"
+              " can be opened without a password. If you really want to"
+              " do this, you must also give the --allow-insecure option"
+              " before the -- that follows --encrypt.");
+    }
+
+    bool save_to_stdout = false;
+    if (m->require_outfile && m->outfilename &&
+        (strcmp(m->outfilename.get(), "-") == 0)) {
+        if (m->split_pages) {
+            usage("--split-pages may not be used when"
+                  " writing to standard output");
+        }
+        save_to_stdout = true;
+    }
+    if (!m->attachment_to_show.empty()) {
+        save_to_stdout = true;
+    }
+    if (save_to_stdout) {
+        this->m->log->saveToStandardOutput(true);
+    }
+    if ((!m->split_pages) &&
+        QUtil::same_file(m->infilename.get(), m->outfilename.get())) {
+        QTC::TC("qpdf", "QPDFJob same file error");
+        usage("input file and output file are the same;"
+              " use --replace-input to intentionally"
+              " overwrite the input file");
+    }
+
+    if (m->json_version == 1) {
+        if (m->json_keys.count("qpdf")) {
+            usage("json key \"qpdf\" is only valid for json version > 1");
+        }
+    } else {
+        if (m->json_keys.count("objectinfo") || m->json_keys.count("objects")) {
+            usage("json keys \"objects\" and \"objectinfo\" are only valid for"
+                  " json version 1");
+        }
+    }
+}
+
+unsigned long
+QPDFJob::getEncryptionStatus()
+{
+    return this->m->encryption_status;
+}
+
+void
+QPDFJob::setQPDFOptions(QPDF& pdf)
+{
+    pdf.setLogger(this->m->log);
+    if (m->ignore_xref_streams) {
+        pdf.setIgnoreXRefStreams(true);
+    }
+    if (m->suppress_recovery) {
+        pdf.setAttemptRecovery(false);
+    }
+    if (m->password_is_hex_key) {
+        pdf.setPasswordIsHexKey(true);
+    }
+    if (m->suppress_warnings) {
+        pdf.setSuppressWarnings(true);
+    }
+}
+
+static std::string
+show_bool(bool v)
+{
+    return v ? "allowed" : "not allowed";
+}
+
+static std::string
+show_encryption_method(QPDF::encryption_method_e method)
+{
+    std::string result = "unknown";
+    switch (method) {
+    case QPDF::e_none:
+        result = "none";
+        break;
+    case QPDF::e_unknown:
+        result = "unknown";
+        break;
+    case QPDF::e_rc4:
+        result = "RC4";
+        break;
+    case QPDF::e_aes:
+        result = "AESv2";
+        break;
+    case QPDF::e_aesv3:
+        result = "AESv3";
+        break;
+        // no default so gcc will warn for missing case
+    }
+    return result;
+}
+
+void
+QPDFJob::showEncryption(QPDF& pdf)
+{
+    // Extract /P from /Encrypt
+    int R = 0;
+    int P = 0;
+    int V = 0;
+    QPDF::encryption_method_e stream_method = QPDF::e_unknown;
+    QPDF::encryption_method_e string_method = QPDF::e_unknown;
+    QPDF::encryption_method_e file_method = QPDF::e_unknown;
+    auto& cout = *this->m->log->getInfo();
+    if (!pdf.isEncrypted(R, P, V, stream_method, string_method, file_method)) {
+        cout << "File is not encrypted\n";
+    } else {
+        cout << "R = " << R << "\n";
+        cout << "P = " << P << "\n";
+        std::string user_password = pdf.getTrimmedUserPassword();
+        std::string encryption_key = pdf.getEncryptionKey();
+        cout << "User password = " << user_password << "\n";
+        if (m->show_encryption_key) {
+            cout << "Encryption key = " << QUtil::hex_encode(encryption_key)
+                 << "\n";
+        }
+        if (pdf.ownerPasswordMatched()) {
+            cout << "Supplied password is owner password\n";
+        }
+        if (pdf.userPasswordMatched()) {
+            cout << "Supplied password is user password\n";
+        }
+        cout << "extract for accessibility: "
+             << show_bool(pdf.allowAccessibility()) << "\n"
+             << "extract for any purpose: " << show_bool(pdf.allowExtractAll())
+             << "\n"
+             << "print low resolution: " << show_bool(pdf.allowPrintLowRes())
+             << "\n"
+             << "print high resolution: " << show_bool(pdf.allowPrintHighRes())
+             << "\n"
+             << "modify document assembly: "
+             << show_bool(pdf.allowModifyAssembly()) << "\n"
+             << "modify forms: " << show_bool(pdf.allowModifyForm()) << "\n"
+             << "modify annotations: " << show_bool(pdf.allowModifyAnnotation())
+             << "\n"
+             << "modify other: " << show_bool(pdf.allowModifyOther()) << "\n"
+             << "modify anything: " << show_bool(pdf.allowModifyAll()) << "\n";
+        if (V >= 4) {
+            cout << "stream encryption method: "
+                 << show_encryption_method(stream_method) << "\n"
+                 << "string encryption method: "
+                 << show_encryption_method(string_method) << "\n"
+                 << "file encryption method: "
+                 << show_encryption_method(file_method) << "\n";
+        }
+    }
+}
+
+void
+QPDFJob::doCheck(QPDF& pdf)
+{
+    // Code below may set okay to false but not to true.
+    // We assume okay until we prove otherwise but may
+    // continue to perform additional checks after finding
+    // errors.
+    bool okay = true;
+    bool warnings = false;
+    auto& cout = *this->m->log->getInfo();
+    cout << "checking " << m->infilename.get() << "\n";
+    try {
+        int extension_level = pdf.getExtensionLevel();
+        cout << "PDF Version: " << pdf.getPDFVersion();
+        if (extension_level > 0) {
+            cout << " extension level " << pdf.getExtensionLevel();
+        }
+        cout << "\n";
+        showEncryption(pdf);
+        if (pdf.isLinearized()) {
+            cout << "File is linearized\n";
+            // any errors or warnings are reported by
+            // checkLinearization(). We treat all issues reported here
+            // as warnings.
+            if (!pdf.checkLinearization()) {
+                warnings = true;
+            }
+        } else {
+            cout << "File is not linearized\n";
+        }
+
+        // Write the file to nowhere, uncompressing
+        // streams.  This causes full file traversal and
+        // decoding of all streams we can decode.
+        QPDFWriter w(pdf);
+        Pl_Discard discard;
+        w.setOutputPipeline(&discard);
+        w.setDecodeLevel(qpdf_dl_all);
+        w.write();
+
+        // Parse all content streams
+        DiscardContents discard_contents;
+        int pageno = 0;
+        for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+            ++pageno;
+            try {
+                page.parseContents(&discard_contents);
+            } catch (QPDFExc& e) {
+                okay = false;
+                *this->m->log->getError()
+                    << "ERROR: page " << pageno << ": " << e.what() << "\n";
+            }
+        }
+    } catch (std::exception& e) {
+        *this->m->log->getError() << "ERROR: " << e.what() << "\n";
+        okay = false;
+    }
+    if (!okay) {
+        throw std::runtime_error("errors detected");
+    }
+
+    if ((!pdf.getWarnings().empty()) || warnings) {
+        this->m->warnings = true;
+    } else {
+        *this->m->log->getInfo() << "No syntax or stream encoding errors"
+                                 << " found; the file may still contain\n"
+                                 << "errors that qpdf cannot detect\n";
+    }
+}
+
+void
+QPDFJob::doShowObj(QPDF& pdf)
+{
+    QPDFObjectHandle obj;
+    if (m->show_trailer) {
+        obj = pdf.getTrailer();
+    } else {
+        obj = pdf.getObjectByID(m->show_obj, m->show_gen);
+    }
+    bool error = false;
+    if (obj.isStream()) {
+        if (m->show_raw_stream_data || m->show_filtered_stream_data) {
+            bool filter = m->show_filtered_stream_data;
+            if (filter && (!obj.pipeStreamData(nullptr, 0, qpdf_dl_all))) {
+                QTC::TC("qpdf", "QPDFJob unable to filter");
+                obj.warnIfPossible("unable to filter stream data");
+                error = true;
+            } else {
+                // If anything has been written to standard output,
+                // this will fail.
+                this->m->log->saveToStandardOutput(true);
+                obj.pipeStreamData(
+                    this->m->log->getSave().get(),
+                    (filter && m->normalize) ? qpdf_ef_normalize : 0,
+                    filter ? qpdf_dl_all : qpdf_dl_none);
+            }
+        } else {
+            *this->m->log->getInfo() << "Object is stream.  Dictionary:\n"
+                                     << obj.getDict().unparseResolved() << "\n";
+        }
+    } else {
+        *this->m->log->getInfo() << obj.unparseResolved() << "\n";
+    }
+    if (error) {
+        throw std::runtime_error(
+            "unable to get object " + obj.getObjGen().unparse(','));
+    }
+}
+
+void
+QPDFJob::doShowPages(QPDF& pdf)
+{
+    int pageno = 0;
+    auto& cout = *this->m->log->getInfo();
+    for (auto& ph: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        QPDFObjectHandle page = ph.getObjectHandle();
+        ++pageno;
+
+        cout << "page " << pageno << ": " << page.getObjectID() << " "
+             << page.getGeneration() << " R\n";
+        if (m->show_page_images) {
+            std::map<std::string, QPDFObjectHandle> images = ph.getImages();
+            if (!images.empty()) {
+                cout << "  images:\n";
+                for (auto const& iter2: images) {
+                    std::string const& name = iter2.first;
+                    QPDFObjectHandle image = iter2.second;
+                    QPDFObjectHandle dict = image.getDict();
+                    int width = dict.getKey("/Width").getIntValueAsInt();
+                    int height = dict.getKey("/Height").getIntValueAsInt();
+                    cout << "    " << name << ": " << image.unparse() << ", "
+                         << width << " x " << height << "\n";
+                }
+            }
+        }
+
+        cout << "  content:\n";
+        for (auto& iter2: ph.getPageContents()) {
+            cout << "    " << iter2.unparse() << "\n";
+        }
+    }
+}
+
+void
+QPDFJob::doListAttachments(QPDF& pdf)
+{
+    QPDFEmbeddedFileDocumentHelper efdh(pdf);
+    if (efdh.hasEmbeddedFiles()) {
+        for (auto const& i: efdh.getEmbeddedFiles()) {
+            std::string const& key = i.first;
+            auto efoh = i.second;
+            *this->m->log->getInfo()
+                << key << " -> "
+                << efoh->getEmbeddedFileStream().getObjGen().unparse(',')
+                << "\n";
+            doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                auto desc = efoh->getDescription();
+                if (!desc.empty()) {
+                    v << "  description: " << desc << "\n";
+                }
+                v << "  preferred name: " << efoh->getFilename() << "\n";
+                v << "  all names:\n";
+                for (auto const& i2: efoh->getFilenames()) {
+                    v << "    " << i2.first << " -> " << i2.second << "\n";
+                }
+                v << "  all data streams:\n";
+                for (auto i2: efoh->getEmbeddedFileStreams().ditems()) {
+                    auto efs = QPDFEFStreamObjectHelper(i2.second);
+                    v << "    " << i2.first << " -> "
+                      << efs.getObjectHandle().getObjGen().unparse(',') << "\n";
+                    v << "      creation date: " << efs.getCreationDate()
+                      << "\n"
+                      << "      modification date: " << efs.getModDate() << "\n"
+                      << "      mime type: " << efs.getSubtype() << "\n"
+                      << "      checksum: "
+                      << QUtil::hex_encode(efs.getChecksum()) << "\n";
+                }
+            });
+        }
+    } else {
+        *this->m->log->getInfo()
+            << m->infilename.get() << " has no embedded files\n";
+    }
+}
+
+void
+QPDFJob::doShowAttachment(QPDF& pdf)
+{
+    QPDFEmbeddedFileDocumentHelper efdh(pdf);
+    auto fs = efdh.getEmbeddedFile(m->attachment_to_show);
+    if (!fs) {
+        throw std::runtime_error(
+            "attachment " + m->attachment_to_show + " not found");
+    }
+    auto efs = fs->getEmbeddedFileStream();
+    // saveToStandardOutput has already been called, but it's harmless
+    // to call it again, so do as defensive coding.
+    this->m->log->saveToStandardOutput(true);
+    efs.pipeStreamData(this->m->log->getSave().get(), 0, qpdf_dl_all);
+}
+
+void
+QPDFJob::parse_object_id(
+    std::string const& objspec, bool& trailer, int& obj, int& gen)
+{
+    if (objspec == "trailer") {
+        trailer = true;
+    } else {
+        trailer = false;
+        obj = QUtil::string_to_int(objspec.c_str());
+        size_t comma = objspec.find(',');
+        if ((comma != std::string::npos) && (comma + 1 < objspec.length())) {
+            gen = QUtil::string_to_int(
+                objspec.substr(1 + comma, std::string::npos).c_str());
+        }
+    }
+}
+
+std::set<QPDFObjGen>
+QPDFJob::getWantedJSONObjects()
+{
+    std::set<QPDFObjGen> wanted_og;
+    for (auto const& iter: m->json_objects) {
+        bool trailer;
+        int obj = 0;
+        int gen = 0;
+        parse_object_id(iter, trailer, obj, gen);
+        if (obj) {
+            wanted_og.insert(QPDFObjGen(obj, gen));
+        }
+    }
+    return wanted_og;
+}
+
+void
+QPDFJob::doJSONObject(
+    Pipeline* p, bool& first, std::string const& key, QPDFObjectHandle& obj)
+{
+    if (this->m->json_version == 1) {
+        JSON::writeDictionaryItem(p, first, key, obj.getJSON(1, true), 2);
+    } else {
+        auto j = JSON::makeDictionary();
+        if (obj.isStream()) {
+            j.addDictionaryMember("stream", JSON::makeDictionary())
+                .addDictionaryMember(
+                    "dict", obj.getDict().getJSON(this->m->json_version, true));
+        } else {
+            j.addDictionaryMember(
+                "value", obj.getJSON(this->m->json_version, true));
+        }
+        JSON::writeDictionaryItem(p, first, key, j, 2);
+    }
+}
+
+void
+QPDFJob::doJSONObjects(Pipeline* p, bool& first, QPDF& pdf)
+{
+    if (m->json_version == 1) {
+        JSON::writeDictionaryKey(p, first, "objects", 1);
+        bool first_object = true;
+        JSON::writeDictionaryOpen(p, first_object, 1);
+        bool all_objects = m->json_objects.empty();
+        std::set<QPDFObjGen> wanted_og = getWantedJSONObjects();
+        for (auto& obj: pdf.getAllObjects()) {
+            std::string key = obj.unparse();
+            if (this->m->json_version > 1) {
+                key = "obj:" + key;
+            }
+            if (all_objects || wanted_og.count(obj.getObjGen())) {
+                doJSONObject(p, first_object, key, obj);
+            }
+        }
+        if (all_objects || m->json_objects.count("trailer")) {
+            auto trailer = pdf.getTrailer();
+            doJSONObject(p, first_object, "trailer", trailer);
+        }
+        JSON::writeDictionaryClose(p, first_object, 1);
+    } else {
+        std::set<std::string> json_objects;
+        if (this->m->json_objects.count("trailer")) {
+            json_objects.insert("trailer");
+        }
+        auto wanted = getWantedJSONObjects();
+        for (auto const& og: wanted) {
+            std::ostringstream s;
+            s << "obj:" << og.unparse(' ') << " R";
+            json_objects.insert(s.str());
+        }
+        pdf.writeJSON(
+            this->m->json_version,
+            p,
+            false,
+            first,
+            this->m->decode_level,
+            this->m->json_stream_data,
+            this->m->json_stream_prefix,
+            json_objects);
+    }
+}
+
+void
+QPDFJob::doJSONObjectinfo(Pipeline* p, bool& first, QPDF& pdf)
+{
+    JSON::writeDictionaryKey(p, first, "objectinfo", 1);
+    bool first_object = true;
+    JSON::writeDictionaryOpen(p, first_object, 1);
+    bool all_objects = m->json_objects.empty();
+    std::set<QPDFObjGen> wanted_og = getWantedJSONObjects();
+    for (auto& obj: pdf.getAllObjects()) {
+        if (all_objects || wanted_og.count(obj.getObjGen())) {
+            auto j_details = JSON::makeDictionary();
+            auto j_stream =
+                j_details.addDictionaryMember("stream", JSON::makeDictionary());
+            bool is_stream = obj.isStream();
+            j_stream.addDictionaryMember("is", JSON::makeBool(is_stream));
+            j_stream.addDictionaryMember(
+                "length",
+                (is_stream ? obj.getDict().getKey("/Length").getJSON(
+                                 this->m->json_version, true)
+                           : JSON::makeNull()));
+            j_stream.addDictionaryMember(
+                "filter",
+                (is_stream ? obj.getDict().getKey("/Filter").getJSON(
+                                 this->m->json_version, true)
+                           : JSON::makeNull()));
+            JSON::writeDictionaryItem(
+                p, first_object, obj.unparse(), j_details, 2);
+        }
+    }
+    JSON::writeDictionaryClose(p, first_object, 1);
+}
+
+void
+QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
+{
+    JSON::writeDictionaryKey(p, first, "pages", 1);
+    bool first_page = true;
+    JSON::writeArrayOpen(p, first_page, 2);
+    QPDFPageLabelDocumentHelper pldh(pdf);
+    QPDFOutlineDocumentHelper odh(pdf);
+    int pageno = -1;
+    for (auto& ph: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        ++pageno;
+        JSON j_page = JSON::makeDictionary();
+        QPDFObjectHandle page = ph.getObjectHandle();
+        j_page.addDictionaryMember(
+            "object", page.getJSON(this->m->json_version));
+        JSON j_images = j_page.addDictionaryMember("images", JSON::makeArray());
+        for (auto const& iter2: ph.getImages()) {
+            JSON j_image = j_images.addArrayElement(JSON::makeDictionary());
+            j_image.addDictionaryMember("name", JSON::makeString(iter2.first));
+            QPDFObjectHandle image = iter2.second;
+            QPDFObjectHandle dict = image.getDict();
+            j_image.addDictionaryMember(
+                "object", image.getJSON(this->m->json_version));
+            j_image.addDictionaryMember(
+                "width", dict.getKey("/Width").getJSON(this->m->json_version));
+            j_image.addDictionaryMember(
+                "height",
+                dict.getKey("/Height").getJSON(this->m->json_version));
+            j_image.addDictionaryMember(
+                "colorspace",
+                dict.getKey("/ColorSpace").getJSON(this->m->json_version));
+            j_image.addDictionaryMember(
+                "bitspercomponent",
+                dict.getKey("/BitsPerComponent")
+                    .getJSON(this->m->json_version));
+            QPDFObjectHandle filters = dict.getKey("/Filter").wrapInArray();
+            j_image.addDictionaryMember(
+                "filter", filters.getJSON(this->m->json_version));
+            QPDFObjectHandle decode_parms = dict.getKey("/DecodeParms");
+            QPDFObjectHandle dp_array;
+            if (decode_parms.isArray()) {
+                dp_array = decode_parms;
+            } else {
+                dp_array = QPDFObjectHandle::newArray();
+                for (int i = 0; i < filters.getArrayNItems(); ++i) {
+                    dp_array.appendItem(decode_parms);
+                }
+            }
+            j_image.addDictionaryMember(
+                "decodeparms", dp_array.getJSON(this->m->json_version));
+            j_image.addDictionaryMember(
+                "filterable",
+                JSON::makeBool(
+                    image.pipeStreamData(nullptr, 0, m->decode_level, true)));
+        }
+        j_page.addDictionaryMember("images", j_images);
+        JSON j_contents =
+            j_page.addDictionaryMember("contents", JSON::makeArray());
+        for (auto& iter2: ph.getPageContents()) {
+            j_contents.addArrayElement(iter2.getJSON(this->m->json_version));
+        }
+        j_page.addDictionaryMember(
+            "label",
+            pldh.getLabelForPage(pageno).getJSON(this->m->json_version));
+        JSON j_outlines =
+            j_page.addDictionaryMember("outlines", JSON::makeArray());
+        std::vector<QPDFOutlineObjectHelper> outlines =
+            odh.getOutlinesForPage(page.getObjGen());
+        for (auto& oiter: outlines) {
+            JSON j_outline = j_outlines.addArrayElement(JSON::makeDictionary());
+            j_outline.addDictionaryMember(
+                "object",
+                oiter.getObjectHandle().getJSON(this->m->json_version));
+            j_outline.addDictionaryMember(
+                "title", JSON::makeString(oiter.getTitle()));
+            j_outline.addDictionaryMember(
+                "dest", oiter.getDest().getJSON(this->m->json_version, true));
+        }
+        j_page.addDictionaryMember("pageposfrom1", JSON::makeInt(1 + pageno));
+        JSON::writeArrayItem(p, first_page, j_page, 2);
+    }
+    JSON::writeArrayClose(p, first_page, 1);
+}
+
+void
+QPDFJob::doJSONPageLabels(Pipeline* p, bool& first, QPDF& pdf)
+{
+    JSON j_labels = JSON::makeArray();
+    QPDFPageLabelDocumentHelper pldh(pdf);
+    long long npages =
+        QIntC::to_longlong(QPDFPageDocumentHelper(pdf).getAllPages().size());
+    if (pldh.hasPageLabels()) {
+        std::vector<QPDFObjectHandle> labels;
+        pldh.getLabelsForPageRange(0, npages - 1, 0, labels);
+        for (auto iter = labels.begin(); iter != labels.end(); ++iter) {
+            if ((iter + 1) == labels.end()) {
+                // This can't happen, so ignore it. This could only
+                // happen if getLabelsForPageRange somehow returned an
+                // odd number of items.
+                break;
+            }
+            JSON j_label = j_labels.addArrayElement(JSON::makeDictionary());
+            j_label.addDictionaryMember(
+                "index", (*iter).getJSON(this->m->json_version));
+            ++iter;
+            j_label.addDictionaryMember(
+                "label", (*iter).getJSON(this->m->json_version));
+        }
+    }
+    JSON::writeDictionaryItem(p, first, "pagelabels", j_labels, 1);
+}
+
+void
+QPDFJob::addOutlinesToJson(
+    std::vector<QPDFOutlineObjectHelper> outlines,
+    JSON& j,
+    std::map<QPDFObjGen, int>& page_numbers)
+{
+    for (auto& ol: outlines) {
+        JSON jo = j.addArrayElement(JSON::makeDictionary());
+        jo.addDictionaryMember(
+            "object", ol.getObjectHandle().getJSON(this->m->json_version));
+        jo.addDictionaryMember("title", JSON::makeString(ol.getTitle()));
+        jo.addDictionaryMember(
+            "dest", ol.getDest().getJSON(this->m->json_version, true));
+        jo.addDictionaryMember("open", JSON::makeBool(ol.getCount() >= 0));
+        QPDFObjectHandle page = ol.getDestPage();
+        JSON j_destpage = JSON::makeNull();
+        if (page.isIndirect()) {
+            QPDFObjGen og = page.getObjGen();
+            if (page_numbers.count(og)) {
+                j_destpage = JSON::makeInt(page_numbersog);
+            }
+        }
+        jo.addDictionaryMember("destpageposfrom1", j_destpage);
+        JSON j_kids = jo.addDictionaryMember("kids", JSON::makeArray());
+        addOutlinesToJson(ol.getKids(), j_kids, page_numbers);
+    }
+}
+
+void
+QPDFJob::doJSONOutlines(Pipeline* p, bool& first, QPDF& pdf)
+{
+    std::map<QPDFObjGen, int> page_numbers;
+    int n = 0;
+    for (auto const& ph: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        QPDFObjectHandle oh = ph.getObjectHandle();
+        page_numbersoh.getObjGen() = ++n;
+    }
+
+    JSON j_outlines = JSON::makeArray();
+    QPDFOutlineDocumentHelper odh(pdf);
+    addOutlinesToJson(odh.getTopLevelOutlines(), j_outlines, page_numbers);
+    JSON::writeDictionaryItem(p, first, "outlines", j_outlines, 1);
+}
+
+void
+QPDFJob::doJSONAcroform(Pipeline* p, bool& first, QPDF& pdf)
+{
+    JSON j_acroform = JSON::makeDictionary();
+    QPDFAcroFormDocumentHelper afdh(pdf);
+    j_acroform.addDictionaryMember(
+        "hasacroform", JSON::makeBool(afdh.hasAcroForm()));
+    j_acroform.addDictionaryMember(
+        "needappearances", JSON::makeBool(afdh.getNeedAppearances()));
+    JSON j_fields = j_acroform.addDictionaryMember("fields", JSON::makeArray());
+    int pagepos1 = 0;
+    for (auto const& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        ++pagepos1;
+        for (auto& aoh: afdh.getWidgetAnnotationsForPage(page)) {
+            QPDFFormFieldObjectHelper ffh = afdh.getFieldForAnnotation(aoh);
+            JSON j_field = j_fields.addArrayElement(JSON::makeDictionary());
+            j_field.addDictionaryMember(
+                "object", ffh.getObjectHandle().getJSON(this->m->json_version));
+            j_field.addDictionaryMember(
+                "parent",
+                ffh.getObjectHandle().getKey("/Parent").getJSON(
+                    this->m->json_version));
+            j_field.addDictionaryMember(
+                "pageposfrom1", JSON::makeInt(pagepos1));
+            j_field.addDictionaryMember(
+                "fieldtype", JSON::makeString(ffh.getFieldType()));
+            j_field.addDictionaryMember(
+                "fieldflags", JSON::makeInt(ffh.getFlags()));
+            j_field.addDictionaryMember(
+                "fullname", JSON::makeString(ffh.getFullyQualifiedName()));
+            j_field.addDictionaryMember(
+                "partialname", JSON::makeString(ffh.getPartialName()));
+            j_field.addDictionaryMember(
+                "alternativename", JSON::makeString(ffh.getAlternativeName()));
+            j_field.addDictionaryMember(
+                "mappingname", JSON::makeString(ffh.getMappingName()));
+            j_field.addDictionaryMember(
+                "value", ffh.getValue().getJSON(this->m->json_version));
+            j_field.addDictionaryMember(
+                "defaultvalue",
+                ffh.getDefaultValue().getJSON(this->m->json_version));
+            j_field.addDictionaryMember(
+                "quadding", JSON::makeInt(ffh.getQuadding()));
+            j_field.addDictionaryMember(
+                "ischeckbox", JSON::makeBool(ffh.isCheckbox()));
+            j_field.addDictionaryMember(
+                "isradiobutton", JSON::makeBool(ffh.isRadioButton()));
+            j_field.addDictionaryMember(
+                "ischoice", JSON::makeBool(ffh.isChoice()));
+            j_field.addDictionaryMember("istext", JSON::makeBool(ffh.isText()));
+            JSON j_choices =
+                j_field.addDictionaryMember("choices", JSON::makeArray());
+            for (auto const& choice: ffh.getChoices()) {
+                j_choices.addArrayElement(JSON::makeString(choice));
+            }
+            JSON j_annot = j_field.addDictionaryMember(
+                "annotation", JSON::makeDictionary());
+            j_annot.addDictionaryMember(
+                "object", aoh.getObjectHandle().getJSON(this->m->json_version));
+            j_annot.addDictionaryMember(
+                "appearancestate", JSON::makeString(aoh.getAppearanceState()));
+            j_annot.addDictionaryMember(
+                "annotationflags", JSON::makeInt(aoh.getFlags()));
+        }
+    }
+    JSON::writeDictionaryItem(p, first, "acroform", j_acroform, 1);
+}
+
+void
+QPDFJob::doJSONEncrypt(Pipeline* p, bool& first, QPDF& pdf)
+{
+    int R = 0;
+    int P = 0;
+    int V = 0;
+    QPDF::encryption_method_e stream_method = QPDF::e_none;
+    QPDF::encryption_method_e string_method = QPDF::e_none;
+    QPDF::encryption_method_e file_method = QPDF::e_none;
+    bool is_encrypted =
+        pdf.isEncrypted(R, P, V, stream_method, string_method, file_method);
+    JSON j_encrypt = JSON::makeDictionary();
+    j_encrypt.addDictionaryMember("encrypted", JSON::makeBool(is_encrypted));
+    j_encrypt.addDictionaryMember(
+        "userpasswordmatched",
+        JSON::makeBool(is_encrypted && pdf.userPasswordMatched()));
+    j_encrypt.addDictionaryMember(
+        "ownerpasswordmatched",
+        JSON::makeBool(is_encrypted && pdf.ownerPasswordMatched()));
+    if (is_encrypted && (V < 5) && pdf.ownerPasswordMatched() &&
+        (!pdf.userPasswordMatched())) {
+        std::string user_password = pdf.getTrimmedUserPassword();
+        j_encrypt.addDictionaryMember(
+            "recovereduserpassword", JSON::makeString(user_password));
+    } else {
+        j_encrypt.addDictionaryMember(
+            "recovereduserpassword", JSON::makeNull());
+    }
+    JSON j_capabilities =
+        j_encrypt.addDictionaryMember("capabilities", JSON::makeDictionary());
+    j_capabilities.addDictionaryMember(
+        "accessibility", JSON::makeBool(pdf.allowAccessibility()));
+    j_capabilities.addDictionaryMember(
+        "extract", JSON::makeBool(pdf.allowExtractAll()));
+    j_capabilities.addDictionaryMember(
+        "printlow", JSON::makeBool(pdf.allowPrintLowRes()));
+    j_capabilities.addDictionaryMember(
+        "printhigh", JSON::makeBool(pdf.allowPrintHighRes()));
+    j_capabilities.addDictionaryMember(
+        "modifyassembly", JSON::makeBool(pdf.allowModifyAssembly()));
+    j_capabilities.addDictionaryMember(
+        "modifyforms", JSON::makeBool(pdf.allowModifyForm()));
+    /* cSpell:ignore moddifyannotations */
+    std::string MODIFY_ANNOTATIONS =
+        (this->m->json_version == 1 ? "moddifyannotations"
+                                    : "modifyannotations");
+    j_capabilities.addDictionaryMember(
+        MODIFY_ANNOTATIONS, JSON::makeBool(pdf.allowModifyAnnotation()));
+    j_capabilities.addDictionaryMember(
+        "modifyother", JSON::makeBool(pdf.allowModifyOther()));
+    j_capabilities.addDictionaryMember(
+        "modify", JSON::makeBool(pdf.allowModifyAll()));
+    JSON j_parameters =
+        j_encrypt.addDictionaryMember("parameters", JSON::makeDictionary());
+    j_parameters.addDictionaryMember("R", JSON::makeInt(R));
+    j_parameters.addDictionaryMember("V", JSON::makeInt(V));
+    j_parameters.addDictionaryMember("P", JSON::makeInt(P));
+    int bits = 0;
+    JSON key = JSON::makeNull();
+    if (is_encrypted) {
+        std::string encryption_key = pdf.getEncryptionKey();
+        bits = QIntC::to_int(encryption_key.length() * 8);
+        if (m->show_encryption_key) {
+            key = JSON::makeString(QUtil::hex_encode(encryption_key));
+        }
+    }
+    j_parameters.addDictionaryMember("bits", JSON::makeInt(bits));
+    j_parameters.addDictionaryMember("key", key);
+    auto fix_method = is_encrypted(QPDF::encryption_method_e& m) {
+        if (is_encrypted && m == QPDF::e_none) {
+            m = QPDF::e_rc4;
+        }
+    };
+    fix_method(stream_method);
+    fix_method(string_method);
+    fix_method(file_method);
+    std::string s_stream_method = show_encryption_method(stream_method);
+    std::string s_string_method = show_encryption_method(string_method);
+    std::string s_file_method = show_encryption_method(file_method);
+    std::string s_overall_method;
+    if ((stream_method == string_method) && (stream_method == file_method)) {
+        s_overall_method = s_stream_method;
+    } else {
+        s_overall_method = "mixed";
+    }
+    j_parameters.addDictionaryMember(
+        "method", JSON::makeString(s_overall_method));
+    j_parameters.addDictionaryMember(
+        "streammethod", JSON::makeString(s_stream_method));
+    j_parameters.addDictionaryMember(
+        "stringmethod", JSON::makeString(s_string_method));
+    j_parameters.addDictionaryMember(
+        "filemethod", JSON::makeString(s_file_method));
+    JSON::writeDictionaryItem(p, first, "encrypt", j_encrypt, 1);
+}
+
+void
+QPDFJob::doJSONAttachments(Pipeline* p, bool& first, QPDF& pdf)
+{
+    auto to_iso8601 = (std::string const& d) {
+        // Convert PDF date to iso8601 if not empty; if empty, return
+        // empty.
+        std::string iso8601;
+        QUtil::pdf_time_to_iso8601(d, iso8601);
+        return iso8601;
+    };
+
+    auto null_or_string = (std::string const& s) {
+        if (s.empty()) {
+            return JSON::makeNull();
+        } else {
+            return JSON::makeString(s);
+        }
+    };
+
+    JSON j_attachments = JSON::makeDictionary();
+    QPDFEmbeddedFileDocumentHelper efdh(pdf);
+    for (auto const& iter: efdh.getEmbeddedFiles()) {
+        std::string const& key = iter.first;
+        auto fsoh = iter.second;
+        auto j_details =
+            j_attachments.addDictionaryMember(key, JSON::makeDictionary());
+        j_details.addDictionaryMember(
+            "filespec", JSON::makeString(fsoh->getObjectHandle().unparse()));
+        j_details.addDictionaryMember(
+            "preferredname", JSON::makeString(fsoh->getFilename()));
+        j_details.addDictionaryMember(
+            "preferredcontents",
+            JSON::makeString(fsoh->getEmbeddedFileStream().unparse()));
+        j_details.addDictionaryMember(
+            "description", null_or_string(fsoh->getDescription()));
+        auto j_names =
+            j_details.addDictionaryMember("names", JSON::makeDictionary());
+        for (auto const& i2: fsoh->getFilenames()) {
+            j_names.addDictionaryMember(i2.first, JSON::makeString(i2.second));
+        }
+        auto j_streams =
+            j_details.addDictionaryMember("streams", JSON::makeDictionary());
+        for (auto i2: fsoh->getEmbeddedFileStreams().ditems()) {
+            auto efs = QPDFEFStreamObjectHelper(i2.second);
+            auto j_stream =
+                j_streams.addDictionaryMember(i2.first, JSON::makeDictionary());
+            j_stream.addDictionaryMember(
+                "creationdate",
+                null_or_string(to_iso8601(efs.getCreationDate())));
+            j_stream.addDictionaryMember(
+                "modificationdate",
+                null_or_string(to_iso8601(efs.getCreationDate())));
+            j_stream.addDictionaryMember(
+                "mimetype", null_or_string(efs.getSubtype()));
+            j_stream.addDictionaryMember(
+                "checksum",
+                null_or_string(QUtil::hex_encode(efs.getChecksum())));
+        }
+    }
+    JSON::writeDictionaryItem(p, first, "attachments", j_attachments, 1);
+}
+
+JSON
+QPDFJob::json_schema(int json_version, std::set<std::string>* keys)
+{
+    // Style: use all lower-case keys with no dashes or underscores.
+    // Choose array or dictionary based on indexing. For example, we
+    // use a dictionary for objects because we want to index by object
+    // ID and an array for pages because we want to index by position.
+    // The pages in the pages array contain references back to the
+    // original object, which can be resolved in the objects
+    // dictionary. When a PDF construct that maps back to an original
+    // object is represented separately, use "object" as the key that
+    // references the original object.
+
+    // This JSON object doubles as a schema and as documentation for
+    // our JSON output. Any schema mismatch is a bug in qpdf. This
+    // helps to enforce our policy of consistently providing a known
+    // structure where every documented key will always be present,
+    // which makes it easier to consume our JSON. This is discussed in
+    // more depth in the manual.
+    JSON schema = JSON::makeDictionary();
+    schema.addDictionaryMember(
+        "version",
+        JSON::makeString(
+            "JSON format serial number; increased for non-compatible changes"));
+    JSON j_params = schema.addDictionaryMember("parameters", JSON::parse(R"({
+  "decodelevel": "decode level used to determine stream filterability"
+})"));
+
+    bool all_keys = ((keys == nullptr) || keys->empty());
+
+    // The list of selectable top-level keys id duplicated in the
+    // following places: job.yml, QPDFJob::json_schema, and
+    // QPDFJob::doJSON.
+    if (json_version == 1) {
+        if (all_keys || keys->count("objects")) {
+            schema.addDictionaryMember("objects", JSON::parse(R"({
+  "<n n R|trailer>": "json representation of object"
+})"));
+        }
+        if (all_keys || keys->count("objectinfo")) {
+            JSON objectinfo =
+                schema.addDictionaryMember("objectinfo", JSON::parse(R"({
+  "<object-id>": {
+    "stream": {
+      "filter": "if stream, its filters, otherwise null",
+      "is": "whether the object is a stream",
+      "length": "if stream, its length, otherwise null"
+    }
+  }
+})"));
+        }
+    } else {
+        if (all_keys || keys->count("qpdf")) {
+            schema.addDictionaryMember("qpdf", JSON::parse(R"({
+  "jsonversion": "numeric JSON version",
+  "pdfversion": "PDF version as x.y",
+  "pushedinheritedpageresources": "whether inherited attributes were pushed to the page level",
+  "calledgetallpages": "whether getAllPages was called",
+  "maxobjectid": "highest object ID in output, ignored on input"
+},
+{
+  "<obj:n n R|trailer>": "json representation of object"
+})"));
+        }
+    }
+    if (all_keys || keys->count("pages")) {
+        JSON page = schema.addDictionaryMember("pages", JSON::parse(R"(
+  {
+    "contents": 
+      "reference to each content stream"
+    ,
+    "images": 
+      {
+        "bitspercomponent": "bits per component",
+        "colorspace": "color space",
+        "decodeparms": 
+          "decode parameters for image data"
+        ,
+        "filter": 
+          "filters applied to image data"
+        ,
+        "filterable": "whether image data can be decoded using the decode level qpdf was invoked with",
+        "height": "image height",
+        "name": "name of image in XObject table",
+        "object": "reference to image stream",
+        "width": "image width"
+      }
+    ,
+    "label": "page label dictionary, or null if none",
+    "object": "reference to original page object",
+    "outlines": 
+      {
+        "dest": "outline destination dictionary",
+        "object": "reference to outline that targets this page",
+        "title": "outline title"
+      }
+    ,
+    "pageposfrom1": "position of page in document numbering from 1"
+  }
+)"));
+    }
+    if (all_keys || keys->count("pagelabels")) {
+        JSON labels = schema.addDictionaryMember("pagelabels", JSON::parse(R"(
+  {
+    "index": "starting page position starting from zero",
+    "label": "page label dictionary"
+  }
+)"));
+    }
+    if (all_keys || keys->count("outlines")) {
+        JSON outlines = schema.addDictionaryMember("outlines", JSON::parse(R"(
+  {
+    "dest": "outline destination dictionary",
+    "destpageposfrom1": "position of destination page in document numbered from 1; null if not known",
+    "kids": "array of descendent outlines",
+    "object": "reference to this outline",
+    "open": "whether the outline is displayed expanded",
+    "title": "outline title"
+  }
+)"));
+    }
+    if (all_keys || keys->count("acroform")) {
+        JSON acroform = schema.addDictionaryMember("acroform", JSON::parse(R"({
+  "fields": 
+    {
+      "alternativename": "alternative name of field -- this is the one usually shown to users",
+      "annotation": {
+        "annotationflags": "annotation flags from /F -- see pdf_annotation_flag_e in qpdf/Constants.h",
+        "appearancestate": "appearance state -- can be used to determine value for checkboxes and radio buttons",
+        "object": "reference to the annotation object"
+      },
+      "choices": "for choices fields, the list of choices presented to the user",
+      "defaultvalue": "default value of field",
+      "fieldflags": "form field flags from /Ff -- see pdf_form_field_flag_e in qpdf/Constants.h",
+      "fieldtype": "field type",
+      "fullname": "full name of field",
+      "ischeckbox": "whether field is a checkbox",
+      "ischoice": "whether field is a list, combo, or dropdown",
+      "isradiobutton": "whether field is a radio button -- buttons in a single group share a parent",
+      "istext": "whether field is a text field",
+      "mappingname": "mapping name of field",
+      "object": "reference to this form field",
+      "pageposfrom1": "position of containing page numbered from 1",
+      "parent": "reference to this field's parent",
+      "partialname": "partial name of field",
+      "quadding": "field quadding -- number indicating left, center, or right",
+      "value": "value of field"
+    }
+  ,
+  "hasacroform": "whether the document has interactive forms",
+  "needappearances": "whether the form fields' appearance streams need to be regenerated"
+})"));
+    }
+    std::string MODIFY_ANNOTATIONS =
+        (json_version == 1 ? "moddifyannotations" : "modifyannotations");
+    if (all_keys || keys->count("encrypt")) {
+        JSON encrypt = schema.addDictionaryMember("encrypt", JSON::parse(R"({
+  "capabilities": {
+    "accessibility": "allow extraction for accessibility?",
+    "extract": "allow extraction?",
+    ")" + MODIFY_ANNOTATIONS + R"(": "allow modifying annotations?",
+    "modify": "allow all modifications?",
+    "modifyassembly": "allow modifying document assembly?",
+    "modifyforms": "allow modifying forms?",
+    "modifyother": "allow other modifications?",
+    "printhigh": "allow high resolution printing?",
+    "printlow": "allow low resolution printing?"
+  },
+  "encrypted": "whether the document is encrypted",
+  "ownerpasswordmatched": "whether supplied password matched owner password; always false for non-encrypted files",
+  "recovereduserpassword": "If the owner password was used to recover the user password, reveal user password; otherwise null",
+  "parameters": {
+    "P": "P value from Encrypt dictionary",
+    "R": "R value from Encrypt dictionary",
+    "V": "V value from Encrypt dictionary",
+    "bits": "encryption key bit length",
+    "filemethod": "encryption method for attachments",
+    "key": "encryption key; will be null unless --show-encryption-key was specified",
+    "method": "overall encryption method: none, mixed, RC4, AESv2, AESv3",
+    "streammethod": "encryption method for streams",
+    "stringmethod": "encryption method for string"
+  },
+  "userpasswordmatched": "whether supplied password matched user password; always false for non-encrypted files"
+})"));
+    }
+    if (all_keys || keys->count("attachments")) {
+        JSON attachments =
+            schema.addDictionaryMember("attachments", JSON::parse(R"({
+  "<attachment-key>": {
+    "filespec": "object containing the file spec",
+    "preferredcontents": "most preferred embedded file stream",
+    "preferredname": "most preferred file name",
+    "description": "description of attachment",
+    "names": {
+      "<name-key>": "file name for key"
+    },
+    "streams": {
+      "<stream-key>": {
+        "creationdate": "ISO-8601 creation date or null",
+        "modificationdate": "ISO-8601 modification date or null",
+        "mimetype": "mime type or null",
+        "checksum": "MD5 checksum or null"
+      }
+    }
+  }
+})"));
+    }
+    return schema;
+}
+
+std::string
+QPDFJob::json_out_schema(int version)
+{
+    return json_schema(version).unparse();
+}
+
+std::string
+QPDFJob::json_out_schema_v1()
+{
+    return json_schema(1).unparse();
+}
+
+void
+QPDFJob::doJSON(QPDF& pdf, Pipeline* p)
+{
+    // qpdf guarantees that no new top-level keys whose names start
+    // with "x-" will be added. These are reserved for users.
+
+    std::string captured_json;
+    std::shared_ptr<Pl_String> pl_str;
+    if (this->m->test_json_schema) {
+        pl_str = std::make_shared<Pl_String>("capture json", p, captured_json);
+        p = pl_str.get();
+    }
+
+    bool first = true;
+    JSON::writeDictionaryOpen(p, first, 0);
+
+    if (m->json_output) {
+        // Exclude version and parameters to keep the output file
+        // minimal. The JSON version is inside the "qpdf" key for
+        // version 2.
+    } else {
+        // This version is updated every time a non-backward-compatible
+        // change is made to the JSON format. Clients of the JSON are to
+        // ignore unrecognized keys, so we only update the version of a
+        // key disappears or if its value changes meaning.
+        JSON::writeDictionaryItem(
+            p, first, "version", JSON::makeInt(this->m->json_version), 1);
+        JSON j_params = JSON::makeDictionary();
+        std::string decode_level_str;
+        switch (m->decode_level) {
+        case qpdf_dl_none:
+            decode_level_str = "none";
+            break;
+        case qpdf_dl_generalized:
+            decode_level_str = "generalized";
+            break;
+        case qpdf_dl_specialized:
+            decode_level_str = "specialized";
+            break;
+        case qpdf_dl_all:
+            decode_level_str = "all";
+            break;
+        }
+        j_params.addDictionaryMember(
+            "decodelevel", JSON::makeString(decode_level_str));
+        JSON::writeDictionaryItem(p, first, "parameters", j_params, 1);
+    }
+    bool all_keys = m->json_keys.empty();
+    // The list of selectable top-level keys id duplicated in the
+    // following places: job.yml, QPDFJob::json_schema, and
+    // QPDFJob::doJSON.
+
+    // We do pages and pagelabels first since they have the side
+    // effect of repairing the pages tree, which could potentially
+    // impact object references in remaining items.
+    if (all_keys || m->json_keys.count("pages")) {
+        doJSONPages(p, first, pdf);
+    }
+    if (all_keys || m->json_keys.count("pagelabels")) {
+        doJSONPageLabels(p, first, pdf);
+    }
+
+    // The non-special keys are output in alphabetical order, but the
+    // order doesn't actually matter.
+    if (all_keys || m->json_keys.count("acroform")) {
+        doJSONAcroform(p, first, pdf);
+    }
+    if (all_keys || m->json_keys.count("attachments")) {
+        doJSONAttachments(p, first, pdf);
+    }
+    if (all_keys || m->json_keys.count("encrypt")) {
+        doJSONEncrypt(p, first, pdf);
+    }
+    if (all_keys || m->json_keys.count("outlines")) {
+        doJSONOutlines(p, first, pdf);
+    }
+
+    // We do objects last so their information is consistent with
+    // repairing the page tree. To see the original file with any page
+    // tree problems and the page tree not flattened, select
+    // qpdf/objects/objectinfo without other keys.
+    if (all_keys || m->json_keys.count("objects") ||
+        m->json_keys.count("qpdf")) {
+        doJSONObjects(p, first, pdf);
+    }
+    if (this->m->json_version == 1) {
+        // "objectinfo" is not needed for version >1 since you can
+        // tell streams from other objects in "objects".
+        if (all_keys || m->json_keys.count("objectinfo")) {
+            doJSONObjectinfo(p, first, pdf);
+        }
+    }
+
+    JSON::writeDictionaryClose(p, first, 0);
+    *p << "\n";
+
+    if (this->m->test_json_schema) {
+        // Check against schema
+        JSON schema = json_schema(this->m->json_version, &m->json_keys);
+        std::list<std::string> errors;
+        JSON captured = JSON::parse(captured_json);
+        if (!captured.checkSchema(schema, errors)) {
+            this->m->log->error("QPDFJob didn't create JSON that complies with "
+                                "its own rules.\n");
+            for (auto const& error: errors) {
+                *this->m->log->getError() << error << "\n";
+            }
+        }
+    }
+}
+
+void
+QPDFJob::doInspection(QPDF& pdf)
+{
+    auto& cout = *this->m->log->getInfo();
+    if (m->check) {
+        doCheck(pdf);
+    }
+    if (m->show_npages) {
+        QTC::TC("qpdf", "QPDFJob npages");
+        cout << pdf.getRoot().getKey("/Pages").getKey("/Count").getIntValue()
+             << "\n";
+    }
+    if (m->show_encryption) {
+        showEncryption(pdf);
+    }
+    if (m->check_linearization) {
+        if (!pdf.isLinearized()) {
+            cout << m->infilename.get() << " is not linearized\n";
+        } else if (pdf.checkLinearization()) {
+            cout << m->infilename.get() << ": no linearization errors\n";
+        } else {
+            this->m->warnings = true;
+        }
+    }
+    if (m->show_linearization) {
+        if (pdf.isLinearized()) {
+            pdf.showLinearizationData();
+        } else {
+            cout << m->infilename.get() << " is not linearized\n";
+        }
+    }
+    if (m->show_xref) {
+        pdf.showXRefTable();
+    }
+    if ((m->show_obj > 0) || m->show_trailer) {
+        doShowObj(pdf);
+    }
+    if (m->show_pages) {
+        doShowPages(pdf);
+    }
+    if (m->list_attachments) {
+        doListAttachments(pdf);
+    }
+    if (!m->attachment_to_show.empty()) {
+        doShowAttachment(pdf);
+    }
+    if (!pdf.getWarnings().empty()) {
+        this->m->warnings = true;
+    }
+}
+
+void
+QPDFJob::doProcessOnce(
+    std::shared_ptr<QPDF>& pdf,
+    std::function<void(QPDF*, char const*)> fn,
+    char const* password,
+    bool empty,
+    bool used_for_input,
+    bool main_input)
+{
+    pdf = QPDF::create();
+    setQPDFOptions(*pdf);
+    if (empty) {
+        pdf->emptyPDF();
+    } else if (main_input && this->m->json_input) {
+        pdf->createFromJSON(this->m->infilename.get());
+    } else {
+        fn(pdf.get(), password);
+    }
+    if (used_for_input) {
+        this->m->max_input_version.updateIfGreater(
+            pdf->getVersionAsPDFVersion());
+    }
+}
+
+void
+QPDFJob::doProcess(
+    std::shared_ptr<QPDF>& pdf,
+    std::function<void(QPDF*, char const*)> fn,
+    char const* password,
+    bool empty,
+    bool used_for_input,
+    bool main_input)
+{
+    // If a password has been specified but doesn't work, try other
+    // passwords that are equivalent in different character encodings.
+    // This makes it possible to open PDF files that were encrypted
+    // using incorrect string encodings. For example, if someone used
+    // a password encoded in PDF Doc encoding or Windows code page
+    // 1252 for an AES-encrypted file or a UTF-8-encoded password on
+    // an RC4-encrypted file, or if the password was properly encoded
+    // but the password given here was incorrectly encoded, there's a
+    // good chance we'd succeed here.
+
+    std::string ptemp;
+    if (password && (!m->password_is_hex_key)) {
+        if (m->password_mode == QPDFJob::pm_hex_bytes) {
+            // Special case: handle --password-mode=hex-bytes for input
+            // password as well as output password
+            QTC::TC("qpdf", "QPDFJob input password hex-bytes");
+            ptemp = QUtil::hex_decode(password);
+            password = ptemp.c_str();
+        }
+    }
+    if ((password == nullptr) || empty || m->password_is_hex_key ||
+        m->suppress_password_recovery) {
+        // There is no password, or we're not doing recovery, so just
+        // do the normal processing with the supplied password.
+        doProcessOnce(pdf, fn, password, empty, used_for_input, main_input);
+        return;
+    }
+
+    // Get a list of otherwise encoded strings. Keep in scope for this
+    // method.
+    std::vector<std::string> passwords_str =
+        QUtil::possible_repaired_encodings(password);
+    // Represent to char const*, as required by the QPDF class.
+    std::vector<char const*> passwords;
+    for (auto const& iter: passwords_str) {
+        passwords.push_back(iter.c_str());
+    }
+    // We always try the supplied password first because it is the
+    // first string returned by possible_repaired_encodings. If there
+    // is more than one option, go ahead and put the supplied password
+    // at the end so that it's that decoding attempt whose exception
+    // is thrown.
+    if (passwords.size() > 1) {
+        passwords.push_back(password);
+    }
+
+    // Try each password. If one works, return the resulting object.
+    // If they all fail, throw the exception thrown by the final
+    // attempt, which, like the first attempt, will be with the
+    // supplied password.
+    bool warned = false;
+    for (auto iter = passwords.begin(); iter != passwords.end(); ++iter) {
+        try {
+            doProcessOnce(pdf, fn, *iter, empty, used_for_input, main_input);
+            return;
+        } catch (QPDFExc& e) {
+            auto next = iter;
+            ++next;
+            if (next == passwords.end()) {
+                throw e;
+            }
+        }
+        if (!warned) {
+            warned = true;
+            doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                v << prefix << ": supplied password didn't work;"
+                  << " trying other passwords based on interpreting"
+                  << " password with different string encodings\n";
+            });
+        }
+    }
+    // Should not be reachable
+    throw std::logic_error("do_process returned");
+}
+
+void
+QPDFJob::processFile(
+    std::shared_ptr<QPDF>& pdf,
+    char const* filename,
+    char const* password,
+    bool used_for_input,
+    bool main_input)
+{
+    auto f1 = std::mem_fn<void(char const*, char const*)>(&QPDF::processFile);
+    auto fn =
+        std::bind(f1, std::placeholders::_1, filename, std::placeholders::_2);
+    doProcess(
+        pdf,
+        fn,
+        password,
+        strcmp(filename, "") == 0,
+        used_for_input,
+        main_input);
+}
+
+void
+QPDFJob::processInputSource(
+    std::shared_ptr<QPDF>& pdf,
+    std::shared_ptr<InputSource> is,
+    char const* password,
+    bool used_for_input)
+{
+    auto f1 = std::mem_fn(&QPDF::processInputSource);
+    auto fn = std::bind(f1, std::placeholders::_1, is, std::placeholders::_2);
+    doProcess(pdf, fn, password, false, used_for_input, false);
+}
+
+void
+QPDFJob::validateUnderOverlay(QPDF& pdf, UnderOverlay* uo)
+{
+    if (uo->filename.empty()) {
+        return;
+    }
+    QPDFPageDocumentHelper main_pdh(pdf);
+    int main_npages = QIntC::to_int(main_pdh.getAllPages().size());
+    processFile(uo->pdf, uo->filename.c_str(), uo->password.get(), true, false);
+    QPDFPageDocumentHelper uo_pdh(*(uo->pdf));
+    int uo_npages = QIntC::to_int(uo_pdh.getAllPages().size());
+    try {
+        uo->to_pagenos = QUtil::parse_numrange(uo->to_nr.c_str(), main_npages);
+    } catch (std::runtime_error& e) {
+        throw std::runtime_error(
+            "parsing numeric range for " + uo->which +
+            " \"to\" pages: " + e.what());
+    }
+    try {
+        if (uo->from_nr.empty()) {
+            QTC::TC("qpdf", "QPDFJob from_nr from repeat_nr");
+            uo->from_nr = uo->repeat_nr;
+        }
+        uo->from_pagenos =
+            QUtil::parse_numrange(uo->from_nr.c_str(), uo_npages);
+        if (!uo->repeat_nr.empty()) {
+            uo->repeat_pagenos =
+                QUtil::parse_numrange(uo->repeat_nr.c_str(), uo_npages);
+        }
+    } catch (std::runtime_error& e) {
+        throw std::runtime_error(
+            "parsing numeric range for " + uo->which + " file " + uo->filename +
+            ": " + e.what());
+    }
+}
+
+static QPDFAcroFormDocumentHelper*
+get_afdh_for_qpdf(
+    std::map<unsigned long long, std::shared_ptr<QPDFAcroFormDocumentHelper>>&
+        afdh_map,
+    QPDF* q)
+{
+    auto uid = q->getUniqueId();
+    if (!afdh_map.count(uid)) {
+        afdh_mapuid = std::make_shared<QPDFAcroFormDocumentHelper>(*q);
+    }
+    return afdh_mapuid.get();
+}
+
+void
+QPDFJob::doUnderOverlayForPage(
+    QPDF& pdf,
+    UnderOverlay& uo,
+    std::map<int, std::vector<int>>& pagenos,
+    size_t page_idx,
+    std::map<int, QPDFObjectHandle>& fo,
+    std::vector<QPDFPageObjectHelper>& pages,
+    QPDFPageObjectHelper& dest_page,
+    bool before)
+{
+    int pageno = 1 + QIntC::to_int(page_idx);
+    if (!pagenos.count(pageno)) {
+        return;
+    }
+
+    std::map<unsigned long long, std::shared_ptr<QPDFAcroFormDocumentHelper>>
+        afdh;
+    auto make_afdh = &(QPDFPageObjectHelper& ph) {
+        QPDF& q = ph.getObjectHandle().getQPDF();
+        return get_afdh_for_qpdf(afdh, &q);
+    };
+    auto dest_afdh = make_afdh(dest_page);
+
+    std::string content;
+    int min_suffix = 1;
+    QPDFObjectHandle resources = dest_page.getAttribute("/Resources", true);
+    if (!resources.isDictionary()) {
+        QTC::TC("qpdf", "QPDFJob overlay page with no resources");
+        resources = dest_page.getObjectHandle().replaceKeyAndGetNew(
+            "/Resources", QPDFObjectHandle::newDictionary());
+    }
+    for (int from_pageno: pagenospageno) {
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << "    " << uo.which << " " << from_pageno << "\n";
+        });
+        auto from_page = pages.at(QIntC::to_size(from_pageno - 1));
+        if (0 == fo.count(from_pageno)) {
+            fofrom_pageno =
+                pdf.copyForeignObject(from_page.getFormXObjectForPage());
+        }
+
+        // If the same page is overlaid or underlaid multiple times,
+        // we'll generate multiple names for it, but that's harmless
+        // and also a pretty goofy case that's not worth coding
+        // around.
+        std::string name = resources.getUniqueResourceName("/Fx", min_suffix);
+        QPDFMatrix cm;
+        std::string new_content = dest_page.placeFormXObject(
+            fofrom_pageno,
+            name,
+            dest_page.getTrimBox().getArrayAsRectangle(),
+            cm);
+        dest_page.copyAnnotations(
+            from_page, cm, dest_afdh, make_afdh(from_page));
+        if (!new_content.empty()) {
+            resources.mergeResources("<< /XObject << >> >>"_qpdf);
+            auto xobject = resources.getKey("/XObject");
+            if (xobject.isDictionary()) {
+                xobject.replaceKey(name, fofrom_pageno);
+            }
+            ++min_suffix;
+            content += new_content;
+        }
+    }
+    if (!content.empty()) {
+        if (before) {
+            dest_page.addPageContents(
+                QPDFObjectHandle::newStream(&pdf, content), true);
+        } else {
+            dest_page.addPageContents(
+                QPDFObjectHandle::newStream(&pdf, "q\n"), true);
+            dest_page.addPageContents(
+                QPDFObjectHandle::newStream(&pdf, "\nQ\n" + content), false);
+        }
+    }
+}
+
+void
+QPDFJob::getUOPagenos(
+    QPDFJob::UnderOverlay& uo, std::map<int, std::vector<int>>& pagenos)
+{
+    size_t idx = 0;
+    size_t from_size = uo.from_pagenos.size();
+    size_t repeat_size = uo.repeat_pagenos.size();
+    for (int to_pageno: uo.to_pagenos) {
+        if (idx < from_size) {
+            pagenosto_pageno.push_back(uo.from_pagenos.at(idx));
+        } else if (repeat_size) {
+            pagenosto_pageno.push_back(
+                uo.repeat_pagenos.at((idx - from_size) % repeat_size));
+        }
+        ++idx;
+    }
+}
+
+void
+QPDFJob::handleUnderOverlay(QPDF& pdf)
+{
+    validateUnderOverlay(pdf, &m->underlay);
+    validateUnderOverlay(pdf, &m->overlay);
+    if ((nullptr == m->underlay.pdf) && (nullptr == m->overlay.pdf)) {
+        return;
+    }
+    std::map<int, std::vector<int>> underlay_pagenos;
+    getUOPagenos(m->underlay, underlay_pagenos);
+    std::map<int, std::vector<int>> overlay_pagenos;
+    getUOPagenos(m->overlay, overlay_pagenos);
+    std::map<int, QPDFObjectHandle> underlay_fo;
+    std::map<int, QPDFObjectHandle> overlay_fo;
+    std::vector<QPDFPageObjectHelper> upages;
+    if (m->underlay.pdf.get()) {
+        upages = QPDFPageDocumentHelper(*(m->underlay.pdf)).getAllPages();
+    }
+    std::vector<QPDFPageObjectHelper> opages;
+    if (m->overlay.pdf.get()) {
+        opages = QPDFPageDocumentHelper(*(m->overlay.pdf)).getAllPages();
+    }
+
+    QPDFPageDocumentHelper main_pdh(pdf);
+    std::vector<QPDFPageObjectHelper> main_pages = main_pdh.getAllPages();
+    size_t main_npages = main_pages.size();
+    doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+        v << prefix << ": processing underlay/overlay\n";
+    });
+    for (size_t i = 0; i < main_npages; ++i) {
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << "  page " << 1 + i << "\n";
+        });
+        doUnderOverlayForPage(
+            pdf,
+            m->underlay,
+            underlay_pagenos,
+            i,
+            underlay_fo,
+            upages,
+            main_pages.at(i),
+            true);
+        doUnderOverlayForPage(
+            pdf,
+            m->overlay,
+            overlay_pagenos,
+            i,
+            overlay_fo,
+            opages,
+            main_pages.at(i),
+            false);
+    }
+}
+
+static void
+maybe_set_pagemode(QPDF& pdf, std::string const& pagemode)
+{
+    auto root = pdf.getRoot();
+    if (root.getKey("/PageMode").isNull()) {
+        root.replaceKey("/PageMode", QPDFObjectHandle::newName(pagemode));
+    }
+}
+
+void
+QPDFJob::addAttachments(QPDF& pdf)
+{
+    maybe_set_pagemode(pdf, "/UseAttachments");
+    QPDFEmbeddedFileDocumentHelper efdh(pdf);
+    std::vector<std::string> duplicated_keys;
+    for (auto const& to_add: m->attachments_to_add) {
+        if ((!to_add.replace) && efdh.getEmbeddedFile(to_add.key)) {
+            duplicated_keys.push_back(to_add.key);
+            continue;
+        }
+
+        auto fs = QPDFFileSpecObjectHelper::createFileSpec(
+            pdf, to_add.filename, to_add.path);
+        if (!to_add.description.empty()) {
+            fs.setDescription(to_add.description);
+        }
+        auto efs = QPDFEFStreamObjectHelper(fs.getEmbeddedFileStream());
+        efs.setCreationDate(to_add.creationdate).setModDate(to_add.moddate);
+        if (!to_add.mimetype.empty()) {
+            efs.setSubtype(to_add.mimetype);
+        }
+
+        efdh.replaceEmbeddedFile(to_add.key, fs);
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": attached " << to_add.path << " as "
+              << to_add.filename << " with key " << to_add.key << "\n";
+        });
+    }
+
+    if (!duplicated_keys.empty()) {
+        std::string message;
+        for (auto const& k: duplicated_keys) {
+            if (!message.empty()) {
+                message += ", ";
+            }
+            message += k;
+        }
+        message = pdf.getFilename() +
+            " already has attachments with the following keys: " + message +
+            "; use --replace to replace or --key to specify a different "
+            "key";
+        throw std::runtime_error(message);
+    }
+}
+
+void
+QPDFJob::copyAttachments(QPDF& pdf)
+{
+    maybe_set_pagemode(pdf, "/UseAttachments");
+    QPDFEmbeddedFileDocumentHelper efdh(pdf);
+    std::vector<std::string> duplicates;
+    for (auto const& to_copy: m->attachments_to_copy) {
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": copying attachments from " << to_copy.path
+              << "\n";
+        });
+        std::shared_ptr<QPDF> other;
+        processFile(
+            other,
+            to_copy.path.c_str(),
+            to_copy.password.c_str(),
+            false,
+            false);
+        QPDFEmbeddedFileDocumentHelper other_efdh(*other);
+        auto other_attachments = other_efdh.getEmbeddedFiles();
+        for (auto const& iter: other_attachments) {
+            std::string new_key = to_copy.prefix + iter.first;
+            if (efdh.getEmbeddedFile(new_key)) {
+                duplicates.push_back(
+                    "file: " + to_copy.path + ", key: " + new_key);
+            } else {
+                auto new_fs_oh =
+                    pdf.copyForeignObject(iter.second->getObjectHandle());
+                efdh.replaceEmbeddedFile(
+                    new_key, QPDFFileSpecObjectHelper(new_fs_oh));
+                doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                    v << "  " << iter.first << " -> " << new_key << "\n";
+                });
+            }
+        }
+
+        if (other->anyWarnings()) {
+            this->m->warnings = true;
+        }
+    }
+
+    if (!duplicates.empty()) {
+        std::string message;
+        for (auto const& i: duplicates) {
+            if (!message.empty()) {
+                message += "; ";
+            }
+            message += i;
+        }
+        message = pdf.getFilename() +
+            " already has attachments with keys that conflict with"
+            " attachments from other files: " +
+            message +
+            ". Use --prefix with --copy-attachments-from"
+            " or manually copy individual attachments.";
+        throw std::runtime_error(message);
+    }
+}
+
+void
+QPDFJob::handleTransformations(QPDF& pdf)
+{
+    QPDFPageDocumentHelper dh(pdf);
+    std::shared_ptr<QPDFAcroFormDocumentHelper> afdh;
+    auto make_afdh = &() {
+        if (!afdh.get()) {
+            afdh = std::make_shared<QPDFAcroFormDocumentHelper>(pdf);
+        }
+    };
+    if (m->externalize_inline_images ||
+        (m->optimize_images && (!m->keep_inline_images))) {
+        for (auto& ph: dh.getAllPages()) {
+            ph.externalizeInlineImages(m->ii_min_bytes);
+        }
+    }
+    if (m->optimize_images) {
+        int pageno = 0;
+        for (auto& ph: dh.getAllPages()) {
+            ++pageno;
+            QPDFObjectHandle page = ph.getObjectHandle();
+            for (auto& iter2: ph.getImages()) {
+                std::string name = iter2.first;
+                QPDFObjectHandle& image = iter2.second;
+                ImageOptimizer* io = new ImageOptimizer(
+                    *this,
+                    m->oi_min_width,
+                    m->oi_min_height,
+                    m->oi_min_area,
+                    image);
+                std::shared_ptr<QPDFObjectHandle::StreamDataProvider> sdp(io);
+                if (io->evaluate(
+                        "image " + name + " on page " +
+                        QUtil::int_to_string(pageno))) {
+                    QPDFObjectHandle new_image =
+                        QPDFObjectHandle::newStream(&pdf);
+                    new_image.replaceDict(image.getDict().shallowCopy());
+                    new_image.replaceStreamData(
+                        sdp,
+                        QPDFObjectHandle::newName("/DCTDecode"),
+                        QPDFObjectHandle::newNull());
+                    ph.getAttribute("/Resources", true)
+                        .getKey("/XObject")
+                        .replaceKey(name, new_image);
+                }
+            }
+        }
+    }
+    if (m->generate_appearances) {
+        make_afdh();
+        afdh->generateAppearancesIfNeeded();
+    }
+    if (m->flatten_annotations) {
+        dh.flattenAnnotations(
+            m->flatten_annotations_required, m->flatten_annotations_forbidden);
+    }
+    if (m->coalesce_contents) {
+        for (auto& page: dh.getAllPages()) {
+            page.coalesceContentStreams();
+        }
+    }
+    if (m->flatten_rotation) {
+        make_afdh();
+        for (auto& page: dh.getAllPages()) {
+            page.flattenRotation(afdh.get());
+        }
+    }
+    if (m->remove_page_labels) {
+        pdf.getRoot().removeKey("/PageLabels");
+    }
+    if (!m->attachments_to_remove.empty()) {
+        QPDFEmbeddedFileDocumentHelper efdh(pdf);
+        for (auto const& key: m->attachments_to_remove) {
+            if (efdh.removeEmbeddedFile(key)) {
+                doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                    v << prefix << ": removed attachment " << key << "\n";
+                });
+            } else {
+                throw std::runtime_error("attachment " + key + " not found");
+            }
+        }
+    }
+    if (!m->attachments_to_add.empty()) {
+        addAttachments(pdf);
+    }
+    if (!m->attachments_to_copy.empty()) {
+        copyAttachments(pdf);
+    }
+}
+
+bool
+QPDFJob::shouldRemoveUnreferencedResources(QPDF& pdf)
+{
+    if (m->remove_unreferenced_page_resources == QPDFJob::re_no) {
+        return false;
+    } else if (m->remove_unreferenced_page_resources == QPDFJob::re_yes) {
+        return true;
+    }
+
+    // Unreferenced resources are common in files where resources
+    // dictionaries are shared across pages. As a heuristic, we look
+    // in the file for shared resources dictionaries or shared XObject
+    // subkeys of resources dictionaries either on pages or on form
+    // XObjects in pages. If we find any, then there is a higher
+    // likelihood that the expensive process of finding unreferenced
+    // resources is worth it.
+
+    // Return true as soon as we find any shared resources.
+
+    std::set<QPDFObjGen> resources_seen; // shared resources detection
+    std::set<QPDFObjGen> nodes_seen;     // loop detection
+
+    doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+        v << prefix << ": " << pdf.getFilename()
+          << ": checking for shared resources\n";
+    });
+
+    std::list<QPDFObjectHandle> queue;
+    queue.push_back(pdf.getRoot().getKey("/Pages"));
+    while (!queue.empty()) {
+        QPDFObjectHandle node = *queue.begin();
+        queue.pop_front();
+        QPDFObjGen og = node.getObjGen();
+        if (nodes_seen.count(og)) {
+            continue;
+        }
+        nodes_seen.insert(og);
+        QPDFObjectHandle dict = node.isStream() ? node.getDict() : node;
+        QPDFObjectHandle kids = dict.getKey("/Kids");
+        if (kids.isArray()) {
+            // This is a non-leaf node.
+            if (dict.hasKey("/Resources")) {
+                QTC::TC("qpdf", "QPDFJob found resources in non-leaf");
+                doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                    v << "  found resources in non-leaf page node "
+                      << og.unparse(' ') << "\n";
+                });
+                return true;
+            }
+            int n = kids.getArrayNItems();
+            for (int i = 0; i < n; ++i) {
+                queue.push_back(kids.getArrayItem(i));
+            }
+        } else {
+            // This is a leaf node or a form XObject.
+            QPDFObjectHandle resources = dict.getKey("/Resources");
+            if (resources.isIndirect()) {
+                QPDFObjGen resources_og = resources.getObjGen();
+                if (resources_seen.count(resources_og)) {
+                    QTC::TC("qpdf", "QPDFJob found shared resources in leaf");
+                    doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                        v << "  found shared resources in leaf node "
+                          << og.unparse(' ') << ": "
+                          << resources_og.unparse(' ') << "\n";
+                    });
+                    return true;
+                }
+                resources_seen.insert(resources_og);
+            }
+            QPDFObjectHandle xobject =
+                (resources.isDictionary() ? resources.getKey("/XObject")
+                                          : QPDFObjectHandle::newNull());
+            if (xobject.isIndirect()) {
+                QPDFObjGen xobject_og = xobject.getObjGen();
+                if (resources_seen.count(xobject_og)) {
+                    QTC::TC("qpdf", "QPDFJob found shared xobject in leaf");
+                    doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                        v << "  found shared xobject in leaf node "
+                          << og.unparse(' ') << ": " << xobject_og.unparse(' ')
+                          << "\n";
+                    });
+                    return true;
+                }
+                resources_seen.insert(xobject_og);
+            }
+            if (xobject.isDictionary()) {
+                for (auto const& k: xobject.getKeys()) {
+                    QPDFObjectHandle xobj = xobject.getKey(k);
+                    if (xobj.isFormXObject()) {
+                        queue.push_back(xobj);
+                    }
+                }
+            }
+        }
+    }
+
+    doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+        v << prefix << ": no shared resources found\n";
+    });
+    return false;
+}
+
+static QPDFObjectHandle
+added_page(QPDF& pdf, QPDFObjectHandle page)
+{
+    QPDFObjectHandle result = page;
+    if (&page.getQPDF() != &pdf) {
+        // Calling copyForeignObject on an object we already copied
+        // will give us the already existing copy.
+        result = pdf.copyForeignObject(page);
+    }
+    return result;
+}
+
+static QPDFObjectHandle
+added_page(QPDF& pdf, QPDFPageObjectHelper page)
+{
+    return added_page(pdf, page.getObjectHandle());
+}
+
+void
+QPDFJob::handlePageSpecs(
+    QPDF& pdf, bool& warnings, std::vector<std::shared_ptr<QPDF>>& page_heap)
+{
+    // Parse all page specifications and translate them into lists of
+    // actual pages.
+
+    // Handle "." as a shortcut for the input file
+    for (auto& page_spec: m->page_specs) {
+        if (page_spec.filename == ".") {
+            page_spec.filename = m->infilename.get();
+        }
+    }
+
+    if (!m->keep_files_open_set) {
+        // Count the number of distinct files to determine whether we
+        // should keep files open or not. Rather than trying to code
+        // some portable heuristic based on OS limits, just hard-code
+        // this at a given number and allow users to override.
+        std::set<std::string> filenames;
+        for (auto& page_spec: m->page_specs) {
+            filenames.insert(page_spec.filename);
+        }
+        m->keep_files_open = (filenames.size() <= m->keep_files_open_threshold);
+        QTC::TC(
+            "qpdf",
+            "QPDFJob automatically set keep files open",
+            m->keep_files_open ? 0 : 1);
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": selecting --keep-open-files="
+              << (m->keep_files_open ? "y" : "n") << "\n";
+        });
+    }
+
+    // Create a QPDF object for each file that we may take pages from.
+    std::map<std::string, QPDF*> page_spec_qpdfs;
+    std::map<std::string, ClosedFileInputSource*> page_spec_cfis;
+    page_spec_qpdfsm->infilename.get() = &pdf;
+    std::vector<QPDFPageData> parsed_specs;
+    std::map<unsigned long long, std::set<QPDFObjGen>> copied_pages;
+    for (auto& page_spec: m->page_specs) {
+        if (page_spec_qpdfs.count(page_spec.filename) == 0) {
+            // Open the PDF file and store the QPDF object. Throw a
+            // std::shared_ptr to the qpdf into a heap so that it
+            // survives through copying to the output but gets cleaned up
+            // automatically at the end. Do not canonicalize the file
+            // name. Using two different paths to refer to the same
+            // file is a documented workaround for duplicating a page.
+            // If you are using this an example of how to do this with
+            // the API, you can just create two different QPDF objects
+            // to the same underlying file with the same path to
+            // achieve the same affect.
+            char const* password = page_spec.password.get();
+            if ((!m->encryption_file.empty()) && (password == nullptr) &&
+                (page_spec.filename == m->encryption_file)) {
+                QTC::TC("qpdf", "QPDFJob pages encryption password");
+                password = m->encryption_file_password.get();
+            }
+            doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+                v << prefix << ": processing " << page_spec.filename << "\n";
+            });
+            std::shared_ptr<InputSource> is;
+            ClosedFileInputSource* cis = nullptr;
+            if (!m->keep_files_open) {
+                QTC::TC("qpdf", "QPDFJob keep files open n");
+                cis = new ClosedFileInputSource(page_spec.filename.c_str());
+                is = std::shared_ptr<InputSource>(cis);
+                cis->stayOpen(true);
+            } else {
+                QTC::TC("qpdf", "QPDFJob keep files open y");
+                FileInputSource* fis =
+                    new FileInputSource(page_spec.filename.c_str());
+                is = std::shared_ptr<InputSource>(fis);
+            }
+            std::shared_ptr<QPDF> qpdf_sp;
+            processInputSource(qpdf_sp, is, password, true);
+            page_heap.push_back(qpdf_sp);
+            page_spec_qpdfspage_spec.filename = qpdf_sp.get();
+            if (cis) {
+                cis->stayOpen(false);
+                page_spec_cfispage_spec.filename = cis;
+            }
+        }
+
+        // Read original pages from the PDF, and parse the page range
+        // associated with this occurrence of the file.
+        parsed_specs.push_back(
+            // line-break
+            QPDFPageData(
+                page_spec.filename,
+                page_spec_qpdfspage_spec.filename,
+                page_spec.range));
+    }
+
+    std::map<unsigned long long, bool> remove_unreferenced;
+    if (m->remove_unreferenced_page_resources != QPDFJob::re_no) {
+        for (auto const& iter: page_spec_qpdfs) {
+            std::string const& filename = iter.first;
+            ClosedFileInputSource* cis = nullptr;
+            if (page_spec_cfis.count(filename)) {
+                cis = page_spec_cfisfilename;
+                cis->stayOpen(true);
+            }
+            QPDF& other(*(iter.second));
+            auto other_uuid = other.getUniqueId();
+            if (remove_unreferenced.count(other_uuid) == 0) {
+                remove_unreferencedother_uuid =
+                    shouldRemoveUnreferencedResources(other);
+            }
+            if (cis) {
+                cis->stayOpen(false);
+            }
+        }
+    }
+
+    // Clear all pages out of the primary QPDF's pages tree but leave
+    // the objects in place in the file so they can be re-added
+    // without changing their object numbers. This enables other
+    // things in the original file, such as outlines, to continue to
+    // work.
+    doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+        v << prefix << ": removing unreferenced pages from primary input\n";
+    });
+    QPDFPageDocumentHelper dh(pdf);
+    std::vector<QPDFPageObjectHelper> orig_pages = dh.getAllPages();
+    for (auto const& page: orig_pages) {
+        dh.removePage(page);
+    }
+
+    if (m->collate && (parsed_specs.size() > 1)) {
+        // Collate the pages by selecting one page from each spec in
+        // order. When a spec runs out of pages, stop selecting from
+        // it.
+        std::vector<QPDFPageData> new_parsed_specs;
+        size_t nspecs = parsed_specs.size();
+        size_t cur_page = 0;
+        bool got_pages = true;
+        while (got_pages) {
+            got_pages = false;
+            for (size_t i = 0; i < nspecs; ++i) {
+                QPDFPageData& page_data = parsed_specs.at(i);
+                for (size_t j = 0; j < m->collate; ++j) {
+                    if (cur_page + j < page_data.selected_pages.size()) {
+                        got_pages = true;
+                        new_parsed_specs.push_back(
+                            // line-break
+                            QPDFPageData(
+                                page_data,
+                                page_data.selected_pages.at(cur_page + j)));
+                    }
+                }
+            }
+            cur_page += m->collate;
+        }
+        parsed_specs = new_parsed_specs;
+    }
+
+    // Add all the pages from all the files in the order specified.
+    // Keep track of any pages from the original file that we are
+    // selecting.
+    std::set<int> selected_from_orig;
+    std::vector<QPDFObjectHandle> new_labels;
+    bool any_page_labels = false;
+    int out_pageno = 0;
+    std::map<unsigned long long, std::shared_ptr<QPDFAcroFormDocumentHelper>>
+        afdh_map;
+    auto this_afdh = get_afdh_for_qpdf(afdh_map, &pdf);
+    std::set<QPDFObjGen> referenced_fields;
+    for (auto& page_data: parsed_specs) {
+        ClosedFileInputSource* cis = nullptr;
+        if (page_spec_cfis.count(page_data.filename)) {
+            cis = page_spec_cfispage_data.filename;
+            cis->stayOpen(true);
+        }
+        QPDFPageLabelDocumentHelper pldh(*page_data.qpdf);
+        auto other_afdh = get_afdh_for_qpdf(afdh_map, page_data.qpdf);
+        if (pldh.hasPageLabels()) {
+            any_page_labels = true;
+        }
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": adding pages from " << page_data.filename << "\n";
+        });
+        for (auto pageno_iter: page_data.selected_pages) {
+            // Pages are specified from 1 but numbered from 0 in the
+            // vector
+            int pageno = pageno_iter - 1;
+            pldh.getLabelsForPageRange(
+                pageno, pageno, out_pageno++, new_labels);
+            QPDFPageObjectHelper to_copy =
+                page_data.orig_pages.at(QIntC::to_size(pageno));
+            QPDFObjGen to_copy_og = to_copy.getObjectHandle().getObjGen();
+            unsigned long long from_uuid = page_data.qpdf->getUniqueId();
+            if (copied_pagesfrom_uuid.count(to_copy_og)) {
+                QTC::TC(
+                    "qpdf",
+                    "QPDFJob copy same page more than once",
+                    (page_data.qpdf == &pdf) ? 0 : 1);
+                to_copy = to_copy.shallowCopyPage();
+            } else {
+                copied_pagesfrom_uuid.insert(to_copy_og);
+                if (remove_unreferencedfrom_uuid) {
+                    to_copy.removeUnreferencedResources();
+                }
+            }
+            dh.addPage(to_copy, false);
+            bool first_copy_from_orig = false;
+            bool this_file = (page_data.qpdf == &pdf);
+            if (this_file) {
+                // This is a page from the original file. Keep track
+                // of the fact that we are using it.
+                first_copy_from_orig = (selected_from_orig.count(pageno) == 0);
+                selected_from_orig.insert(pageno);
+            }
+            auto new_page = added_page(pdf, to_copy);
+            // Try to avoid gratuitously renaming fields. In the case
+            // of where we're just extracting a bunch of pages from
+            // the original file and not copying any page more than
+            // once, there's no reason to do anything with the fields.
+            // Since we don't remove fields from the original file
+            // until all copy operations are completed, any foreign
+            // pages that conflict with original pages will be
+            // adjusted. If we copy any page from the original file
+            // more than once, that page would be in conflict with the
+            // previous copy of itself.
+            if (other_afdh->hasAcroForm() &&
+                ((!this_file) || (!first_copy_from_orig))) {
+                if (!this_file) {
+                    QTC::TC("qpdf", "QPDFJob copy fields not this file");
+                } else if (!first_copy_from_orig) {
+                    QTC::TC("qpdf", "QPDFJob copy fields non-first from orig");
+                }
+                try {
+                    this_afdh->fixCopiedAnnotations(
+                        new_page,
+                        to_copy.getObjectHandle(),
+                        *other_afdh,
+                        &referenced_fields);
+                } catch (std::exception& e) {
+                    pdf.warn(
+                        qpdf_e_damaged_pdf,
+                        "",
+                        0,
+                        ("Exception caught while fixing copied"
+                         " annotations. This may be a qpdf bug. " +
+                         std::string("Exception: ") + e.what()));
+                }
+            }
+        }
+        if (page_data.qpdf->anyWarnings()) {
+            warnings = true;
+        }
+        if (cis) {
+            cis->stayOpen(false);
+        }
+    }
+    if (any_page_labels) {
+        QPDFObjectHandle page_labels = QPDFObjectHandle::newDictionary();
+        page_labels.replaceKey("/Nums", QPDFObjectHandle::newArray(new_labels));
+        pdf.getRoot().replaceKey("/PageLabels", page_labels);
+    }
+
+    // Delete page objects for unused page in primary. This prevents
+    // those objects from being preserved by being referred to from
+    // other places, such as the outlines dictionary. Also make sure
+    // we keep form fields from pages we preserved.
+    for (size_t pageno = 0; pageno < orig_pages.size(); ++pageno) {
+        auto page = orig_pages.at(pageno);
+        if (selected_from_orig.count(QIntC::to_int(pageno))) {
+            for (auto field: this_afdh->getFormFieldsForPage(page)) {
+                QTC::TC("qpdf", "QPDFJob pages keeping field from original");
+                referenced_fields.insert(field.getObjectHandle().getObjGen());
+            }
+        } else {
+            pdf.replaceObject(
+                page.getObjectHandle().getObjGen(),
+                QPDFObjectHandle::newNull());
+        }
+    }
+    // Remove unreferenced form fields
+    if (this_afdh->hasAcroForm()) {
+        auto acroform = pdf.getRoot().getKey("/AcroForm");
+        auto fields = acroform.getKey("/Fields");
+        if (fields.isArray()) {
+            auto new_fields = QPDFObjectHandle::newArray();
+            if (fields.isIndirect()) {
+                new_fields = pdf.makeIndirectObject(new_fields);
+            }
+            for (auto const& field: fields.aitems()) {
+                if (referenced_fields.count(field.getObjGen())) {
+                    new_fields.appendItem(field);
+                }
+            }
+            if (new_fields.getArrayNItems() > 0) {
+                QTC::TC("qpdf", "QPDFJob keep some fields in pages");
+                acroform.replaceKey("/Fields", new_fields);
+            } else {
+                QTC::TC("qpdf", "QPDFJob no more fields in pages");
+                pdf.getRoot().removeKey("/AcroForm");
+            }
+        }
+    }
+}
+
+void
+QPDFJob::handleRotations(QPDF& pdf)
+{
+    QPDFPageDocumentHelper dh(pdf);
+    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
+    int npages = QIntC::to_int(pages.size());
+    for (auto const& iter: m->rotations) {
+        std::string const& range = iter.first;
+        QPDFJob::RotationSpec const& rspec = iter.second;
+        // range has been previously validated
+        for (int pageno_iter: QUtil::parse_numrange(range.c_str(), npages)) {
+            int pageno = pageno_iter - 1;
+            if ((pageno >= 0) && (pageno < npages)) {
+                pages.at(QIntC::to_size(pageno))
+                    .rotatePage(rspec.angle, rspec.relative);
+            }
+        }
+    }
+}
+
+void
+QPDFJob::maybeFixWritePassword(int R, std::string& password)
+{
+    switch (m->password_mode) {
+    case QPDFJob::pm_bytes:
+        QTC::TC("qpdf", "QPDFJob password mode bytes");
+        break;
+
+    case QPDFJob::pm_hex_bytes:
+        QTC::TC("qpdf", "QPDFJob password mode hex-bytes");
+        password = QUtil::hex_decode(password);
+        break;
+
+    case QPDFJob::pm_unicode:
+    case QPDFJob::pm_auto:
+        {
+            bool has_8bit_chars;
+            bool is_valid_utf8;
+            bool is_utf16;
+            QUtil::analyze_encoding(
+                password, has_8bit_chars, is_valid_utf8, is_utf16);
+            if (!has_8bit_chars) {
+                return;
+            }
+            if (m->password_mode == QPDFJob::pm_unicode) {
+                if (!is_valid_utf8) {
+                    QTC::TC("qpdf", "QPDFJob password not unicode");
+                    throw std::runtime_error(
+                        "supplied password is not valid UTF-8");
+                }
+                if (R < 5) {
+                    std::string encoded;
+                    if (!QUtil::utf8_to_pdf_doc(password, encoded)) {
+                        QTC::TC("qpdf", "QPDFJob password not encodable");
+                        throw std::runtime_error(
+                            "supplied password cannot be encoded for"
+                            " 40-bit or 128-bit encryption formats");
+                    }
+                    password = encoded;
+                }
+            } else {
+                if ((R < 5) && is_valid_utf8) {
+                    std::string encoded;
+                    if (QUtil::utf8_to_pdf_doc(password, encoded)) {
+                        QTC::TC("qpdf", "QPDFJob auto-encode password");
+                        doIfVerbose(&(Pipeline& v,
+                                        std::string const& prefix) {
+                            v << prefix << ": automatically converting Unicode"
+                              << " password to single-byte encoding as"
+                              << " required for 40-bit or 128-bit"
+                              << " encryption\n";
+                        });
+                        password = encoded;
+                    } else {
+                        QTC::TC("qpdf", "QPDFJob bytes fallback warning");
+                        *this->m->log->getError()
+                            << this->m->message_prefix << ": WARNING: "
+                            << "supplied password looks like a Unicode"
+                            << " password with characters not allowed in"
+                            << " passwords for 40-bit and 128-bit "
+                               "encryption;"
+                            << " most readers will not be able to open this"
+                            << " file with the supplied password."
+                            << " (Use --password-mode=bytes to suppress "
+                               "this"
+                            << " warning and use the password anyway.)\n";
+                    }
+                } else if ((R >= 5) && (!is_valid_utf8)) {
+                    QTC::TC("qpdf", "QPDFJob invalid utf-8 in auto");
+                    throw std::runtime_error(
+                        "supplied password is not a valid Unicode password,"
+                        " which is required for 256-bit encryption; to"
+                        " really use this password, rerun with the"
+                        " --password-mode=bytes option");
+                }
+            }
+        }
+        break;
+    }
+}
+
+void
+QPDFJob::setEncryptionOptions(QPDF& pdf, QPDFWriter& w)
+{
+    int R = 0;
+    if (m->keylen == 40) {
+        R = 2;
+    } else if (m->keylen == 128) {
+        if (m->force_V4 || m->cleartext_metadata || m->use_aes) {
+            R = 4;
+        } else {
+            R = 3;
+        }
+    } else if (m->keylen == 256) {
+        if (m->force_R5) {
+            R = 5;
+        } else {
+            R = 6;
+        }
+    } else {
+        throw std::logic_error("bad encryption keylen");
+    }
+    if ((R > 3) && (m->r3_accessibility == false)) {
+        *this->m->log->getError() << this->m->message_prefix
+                                  << ": -accessibility=n is ignored for modern"
+                                  << " encryption formats\n";
+    }
+    maybeFixWritePassword(R, m->user_password);
+    maybeFixWritePassword(R, m->owner_password);
+    if ((R < 4) || ((R == 4) && (!m->use_aes))) {
+        if (!m->allow_weak_crypto) {
+            QTC::TC("qpdf", "QPDFJob weak crypto error");
+            *this->m->log->getError()
+                << this->m->message_prefix
+                << ": refusing to write a file with RC4, a weak "
+                   "cryptographic "
+                   "algorithm\n"
+                << "Please use 256-bit keys for better security.\n"
+                << "Pass --allow-weak-crypto to enable writing insecure "
+                   "files.\n"
+                << "See also "
+                   "https://qpdf.readthedocs.io/en/stable/"
+                   "weak-crypto.html\n";
+            throw std::runtime_error(
+                "refusing to write a file with weak crypto");
+        }
+    }
+    switch (R) {
+    case 2:
+        w.setR2EncryptionParametersInsecure(
+            m->user_password.c_str(),
+            m->owner_password.c_str(),
+            m->r2_print,
+            m->r2_modify,
+            m->r2_extract,
+            m->r2_annotate);
+        break;
+    case 3:
+        w.setR3EncryptionParametersInsecure(
+            m->user_password.c_str(),
+            m->owner_password.c_str(),
+            m->r3_accessibility,
+            m->r3_extract,
+            m->r3_assemble,
+            m->r3_annotate_and_form,
+            m->r3_form_filling,
+            m->r3_modify_other,
+            m->r3_print);
+        break;
+    case 4:
+        w.setR4EncryptionParametersInsecure(
+            m->user_password.c_str(),
+            m->owner_password.c_str(),
+            m->r3_accessibility,
+            m->r3_extract,
+            m->r3_assemble,
+            m->r3_annotate_and_form,
+            m->r3_form_filling,
+            m->r3_modify_other,
+            m->r3_print,
+            !m->cleartext_metadata,
+            m->use_aes);
+        break;
+    case 5:
+        w.setR5EncryptionParameters(
+            m->user_password.c_str(),
+            m->owner_password.c_str(),
+            m->r3_accessibility,
+            m->r3_extract,
+            m->r3_assemble,
+            m->r3_annotate_and_form,
+            m->r3_form_filling,
+            m->r3_modify_other,
+            m->r3_print,
+            !m->cleartext_metadata);
+        break;
+    case 6:
+        w.setR6EncryptionParameters(
+            m->user_password.c_str(),
+            m->owner_password.c_str(),
+            m->r3_accessibility,
+            m->r3_extract,
+            m->r3_assemble,
+            m->r3_annotate_and_form,
+            m->r3_form_filling,
+            m->r3_modify_other,
+            m->r3_print,
+            !m->cleartext_metadata);
+        break;
+    default:
+        throw std::logic_error("bad encryption R value");
+        break;
+    }
+}
+
+static void
+parse_version(
+    std::string const& full_version_string,
+    std::string& version,
+    int& extension_level)
+{
+    auto vp = QUtil::make_unique_cstr(full_version_string);
+    char* v = vp.get();
+    char* p1 = strchr(v, '.');
+    char* p2 = (p1 ? strchr(1 + p1, '.') : nullptr);
+    if (p2 && *(p2 + 1)) {
+        *p2++ = '\0';
+        extension_level = QUtil::string_to_int(p2);
+    }
+    version = v;
+}
+
+void
+QPDFJob::setWriterOptions(QPDF& pdf, QPDFWriter& w)
+{
+    if (m->compression_level >= 0) {
+        Pl_Flate::setCompressionLevel(m->compression_level);
+    }
+    if (m->qdf_mode) {
+        w.setQDFMode(true);
+    }
+    if (m->preserve_unreferenced_objects) {
+        w.setPreserveUnreferencedObjects(true);
+    }
+    if (m->newline_before_endstream) {
+        w.setNewlineBeforeEndstream(true);
+    }
+    if (m->normalize_set) {
+        w.setContentNormalization(m->normalize);
+    }
+    if (m->stream_data_set) {
+        w.setStreamDataMode(m->stream_data_mode);
+    }
+    if (m->compress_streams_set) {
+        w.setCompressStreams(m->compress_streams);
+    }
+    if (m->recompress_flate_set) {
+        w.setRecompressFlate(m->recompress_flate);
+    }
+    if (m->decode_level_set) {
+        w.setDecodeLevel(m->decode_level);
+    }
+    if (m->decrypt) {
+        w.setPreserveEncryption(false);
+    }
+    if (m->deterministic_id) {
+        w.setDeterministicID(true);
+    }
+    if (m->static_id) {
+        w.setStaticID(true);
+    }
+    if (m->static_aes_iv) {
+        w.setStaticAesIV(true);
+    }
+    if (m->suppress_original_object_id) {
+        w.setSuppressOriginalObjectIDs(true);
+    }
+    if (m->copy_encryption) {
+        std::shared_ptr<QPDF> encryption_pdf;
+        processFile(
+            encryption_pdf,
+            m->encryption_file.c_str(),
+            m->encryption_file_password.get(),
+            false,
+            false);
+        w.copyEncryptionParameters(*encryption_pdf);
+    }
+    if (m->encrypt) {
+        setEncryptionOptions(pdf, w);
+    }
+    if (m->linearize) {
+        w.setLinearization(true);
+    }
+    if (!m->linearize_pass1.empty()) {
+        w.setLinearizationPass1Filename(m->linearize_pass1);
+    }
+    if (m->object_stream_set) {
+        w.setObjectStreamMode(m->object_stream_mode);
+    }
+    w.setMinimumPDFVersion(this->m->max_input_version);
+    if (!m->min_version.empty()) {
+        std::string version;
+        int extension_level = 0;
+        parse_version(m->min_version, version, extension_level);
+        w.setMinimumPDFVersion(version, extension_level);
+    }
+    if (!m->force_version.empty()) {
+        std::string version;
+        int extension_level = 0;
+        parse_version(m->force_version, version, extension_level);
+        w.forcePDFVersion(version, extension_level);
+    }
+    if (m->progress) {
+        if (this->m->progress_handler) {
+            w.registerProgressReporter(
+                std::shared_ptr<QPDFWriter::ProgressReporter>(
+                    new QPDFWriter::FunctionProgressReporter(
+                        this->m->progress_handler)));
+        } else {
+            char const* outfilename = this->m->outfilename
+                ? this->m->outfilename.get()
+                : "standard output";
+            w.registerProgressReporter(
+                std::shared_ptr<QPDFWriter::ProgressReporter>(
+                    // line-break
+                    new ProgressReporter(
+                        *this->m->log->getInfo(),
+                        this->m->message_prefix,
+                        outfilename)));
+        }
+    }
+}
+
+void
+QPDFJob::doSplitPages(QPDF& pdf, bool& warnings)
+{
+    // Generate output file pattern
+    std::string before;
+    std::string after;
+    size_t len = strlen(m->outfilename.get());
+    char* num_spot = strstr(const_cast<char*>(m->outfilename.get()), "%d");
+    if (num_spot != nullptr) {
+        QTC::TC("qpdf", "QPDFJob split-pages %d");
+        before = std::string(
+            m->outfilename.get(),
+            QIntC::to_size(num_spot - m->outfilename.get()));
+        after = num_spot + 2;
+    } else if (
+        (len >= 4) &&
+        (QUtil::str_compare_nocase(m->outfilename.get() + len - 4, ".pdf") ==
+         0)) {
+        QTC::TC("qpdf", "QPDFJob split-pages .pdf");
+        before = std::string(m->outfilename.get(), len - 4) + "-";
+        after = m->outfilename.get() + len - 4;
+    } else {
+        QTC::TC("qpdf", "QPDFJob split-pages other");
+        before = std::string(m->outfilename.get()) + "-";
+    }
+
+    if (shouldRemoveUnreferencedResources(pdf)) {
+        QPDFPageDocumentHelper dh(pdf);
+        dh.removeUnreferencedResources();
+    }
+    QPDFPageLabelDocumentHelper pldh(pdf);
+    QPDFAcroFormDocumentHelper afdh(pdf);
+    std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
+    size_t pageno_len = QUtil::uint_to_string(pages.size()).length();
+    size_t num_pages = pages.size();
+    for (size_t i = 0; i < num_pages; i += QIntC::to_size(m->split_pages)) {
+        size_t first = i + 1;
+        size_t last = i + QIntC::to_size(m->split_pages);
+        if (last > num_pages) {
+            last = num_pages;
+        }
+        QPDF outpdf;
+        outpdf.emptyPDF();
+        std::shared_ptr<QPDFAcroFormDocumentHelper> out_afdh;
+        if (afdh.hasAcroForm()) {
+            out_afdh = std::make_shared<QPDFAcroFormDocumentHelper>(outpdf);
+        }
+        if (m->suppress_warnings) {
+            outpdf.setSuppressWarnings(true);
+        }
+        for (size_t pageno = first; pageno <= last; ++pageno) {
+            QPDFObjectHandle page = pages.at(pageno - 1);
+            outpdf.addPage(page, false);
+            auto new_page = added_page(outpdf, page);
+            if (out_afdh.get()) {
+                QTC::TC("qpdf", "QPDFJob copy form fields in split_pages");
+                try {
+                    out_afdh->fixCopiedAnnotations(new_page, page, afdh);
+                } catch (std::exception& e) {
+                    pdf.warn(
+                        qpdf_e_damaged_pdf,
+                        "",
+                        0,
+                        ("Exception caught while fixing copied"
+                         " annotations. This may be a qpdf bug." +
+                         std::string("Exception: ") + e.what()));
+                }
+            }
+        }
+        if (pldh.hasPageLabels()) {
+            std::vector<QPDFObjectHandle> labels;
+            pldh.getLabelsForPageRange(
+                QIntC::to_longlong(first - 1),
+                QIntC::to_longlong(last - 1),
+                0,
+                labels);
+            QPDFObjectHandle page_labels = QPDFObjectHandle::newDictionary();
+            page_labels.replaceKey("/Nums", QPDFObjectHandle::newArray(labels));
+            outpdf.getRoot().replaceKey("/PageLabels", page_labels);
+        }
+        std::string page_range =
+            QUtil::uint_to_string(first, QIntC::to_int(pageno_len));
+        if (m->split_pages > 1) {
+            page_range +=
+                "-" + QUtil::uint_to_string(last, QIntC::to_int(pageno_len));
+        }
+        std::string outfile = before + page_range + after;
+        if (QUtil::same_file(m->infilename.get(), outfile.c_str())) {
+            throw std::runtime_error(
+                "split pages would overwrite input file with " + outfile);
+        }
+        QPDFWriter w(outpdf, outfile.c_str());
+        setWriterOptions(outpdf, w);
+        w.write();
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": wrote file " << outfile << "\n";
+        });
+        if (outpdf.anyWarnings()) {
+            warnings = true;
+        }
+    }
+}
+
+void
+QPDFJob::writeOutfile(QPDF& pdf)
+{
+    std::shared_ptr<char> temp_out;
+    if (m->replace_input) {
+        // Append but don't prepend to the path to generate a
+        // temporary name. This saves us from having to split the path
+        // by directory and non-directory.
+        temp_out = QUtil::make_shared_cstr(
+            std::string(m->infilename.get()) + ".~qpdf-temp#");
+        // m->outfilename will be restored to 0 before temp_out
+        // goes out of scope.
+        m->outfilename = temp_out;
+    } else if (strcmp(m->outfilename.get(), "-") == 0) {
+        m->outfilename = nullptr;
+    }
+    if (this->m->json_version) {
+        writeJSON(pdf);
+    } else {
+        // QPDFWriter must have block scope so the output file will be
+        // closed after write() finishes.
+        QPDFWriter w(pdf);
+        if (this->m->outfilename) {
+            w.setOutputFilename(m->outfilename.get());
+        } else {
+            // saveToStandardOutput has already been called, but
+            // calling it again is defensive and harmless.
+            this->m->log->saveToStandardOutput(true);
+            w.setOutputPipeline(this->m->log->getSave().get());
+        }
+        setWriterOptions(pdf, w);
+        w.write();
+    }
+    if (m->outfilename) {
+        doIfVerbose(&(Pipeline& v, std::string const& prefix) {
+            v << prefix << ": wrote file " << m->outfilename.get() << "\n";
+        });
+    }
+    if (m->replace_input) {
+        m->outfilename = nullptr;
+    }
+    if (m->replace_input) {
+        // We must close the input before we can rename files
+        pdf.closeInputSource();
+        std::string backup = std::string(m->infilename.get()) + ".~qpdf-orig";
+        bool warnings = pdf.anyWarnings();
+        if (!warnings) {
+            backup.append(1, '#');
+        }
+        QUtil::rename_file(m->infilename.get(), backup.c_str());
+        QUtil::rename_file(temp_out.get(), m->infilename.get());
+        if (warnings) {
+            *this->m->log->getError()
+                << this->m->message_prefix
+                << ": there are warnings; original file kept in " << backup
+                << "\n";
+        } else {
+            try {
+                QUtil::remove_file(backup.c_str());
+            } catch (QPDFSystemError& e) {
+                *this->m->log->getError()
+                    << this->m->message_prefix
+                    << ": unable to delete original file (" << e.what() << ");"
+                    << " original file left in " << backup
+                    << ", but the input was successfully replaced\n";
+            }
+        }
+    }
+}
+
+void
+QPDFJob::writeJSON(QPDF& pdf)
+{
+    // File pipeline must have block scope so it will be closed
+    // after write.
+    std::shared_ptr<QUtil::FileCloser> fc;
+    std::shared_ptr<Pipeline> fp;
+    if (m->outfilename.get()) {
+        QTC::TC("qpdf", "QPDFJob write json to file");
+        if (this->m->json_stream_prefix.empty()) {
+            this->m->json_stream_prefix = this->m->outfilename.get();
+        }
+        fc = std::make_shared<QUtil::FileCloser>(
+            QUtil::safe_fopen(this->m->outfilename.get(), "w"));
+        fp = std::make_shared<Pl_StdioFile>("json output", fc->f);
+    } else if (
+        (this->m->json_stream_data == qpdf_sj_file) &&
+        this->m->json_stream_prefix.empty()) {
+        QTC::TC("qpdf", "QPDFJob need json-stream-prefix for stdout");
+        usage("please specify --json-stream-prefix since the input file "
+              "name is unknown");
+    } else {
+        QTC::TC("qpdf", "QPDFJob write json to stdout");
+        this->m->log->saveToStandardOutput(true);
+        fp = this->m->log->getSave();
+    }
+    doJSON(pdf, fp.get());
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFJob_argv.cc Added

@@ -0,0 +1,439 @@
+#include <qpdf/QPDFJob.hh>
+
+// See "HOW TO ADD A COMMAND-LINE ARGUMENT" in README-maintainer.
+
+#include <cstdio>
+#include <ctype.h>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <stdlib.h>
+#include <string.h>
+
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFArgParser.hh>
+#include <qpdf/QPDFCryptoProvider.hh>
+#include <qpdf/QPDFJob.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+namespace
+{
+    class ArgParser
+    {
+      public:
+        ArgParser(QPDFArgParser& ap, std::shared_ptr<QPDFJob::Config> c_main);
+        void parseOptions();
+
+      private:
+#include <qpdf/auto_job_decl.hh>
+
+        void usage(std::string const& message);
+        void initOptionTables();
+
+        QPDFArgParser ap;
+        std::shared_ptr<QPDFJob::Config> c_main;
+        std::shared_ptr<QPDFJob::CopyAttConfig> c_copy_att;
+        std::shared_ptr<QPDFJob::AttConfig> c_att;
+        std::shared_ptr<QPDFJob::PagesConfig> c_pages;
+        std::shared_ptr<QPDFJob::UOConfig> c_uo;
+        std::shared_ptr<QPDFJob::EncConfig> c_enc;
+        std::vector<std::string> accumulated_args;
+        std::shared_ptr<char> pages_password;
+        bool gave_input;
+        bool gave_output;
+    };
+} // namespace
+
+ArgParser::ArgParser(
+    QPDFArgParser& ap, std::shared_ptr<QPDFJob::Config> c_main) :
+    ap(ap),
+    c_main(c_main),
+    pages_password(nullptr),
+    gave_input(false),
+    gave_output(false)
+{
+    initOptionTables();
+}
+
+#include <qpdf/auto_job_help.hh>
+
+void
+ArgParser::initOptionTables()
+{
+#include <qpdf/auto_job_init.hh>
+    this->ap.addFinalCheck(this() { c_main->checkConfiguration(); });
+    // add_help is defined in auto_job_help.hh
+    add_help(this->ap);
+    // Special case: ignore -- at the top level. This undocumented
+    // behavior is for backward compatibility; it was unintentionally
+    // the case prior to 10.6, and some users were relying on it.
+    this->ap.selectMainOptionTable();
+    this->ap.addBare("--", () {});
+}
+
+void
+ArgParser::argPositional(std::string const& arg)
+{
+    if (!this->gave_input) {
+        c_main->inputFile(arg);
+        this->gave_input = true;
+    } else if (!this->gave_output) {
+        c_main->outputFile(arg);
+        this->gave_output = true;
+    } else {
+        usage("unknown argument " + arg);
+    }
+}
+
+void
+ArgParser::argEmpty()
+{
+    c_main->emptyInput();
+    this->gave_input = true;
+}
+
+void
+ArgParser::argReplaceInput()
+{
+    c_main->replaceInput();
+    this->gave_output = true;
+}
+
+void
+ArgParser::argVersion()
+{
+    auto whoami = this->ap.getProgname();
+    *QPDFLogger::defaultLogger()->getInfo()
+        << whoami << " version " << QPDF::QPDFVersion() << "\n"
+        << "Run " << whoami
+        << " --copyright to see copyright and license information.\n";
+}
+
+void
+ArgParser::argCopyright()
+{
+    // clang-format off
+    // Make sure the output looks right on an 80-column display.
+    //               1         2         3         4         5         6         7         8
+    //      12345678901234567890123456789012345678901234567890123456789012345678901234567890
+    *QPDFLogger::defaultLogger()->getInfo()
+        << this->ap.getProgname()
+        << " version " << QPDF::QPDFVersion() << "\n"
+        << "\n"
+        << "Copyright (c) 2005-2022 Jay Berkenbilt\n"
+        << "QPDF is licensed under the Apache License, Version 2.0 (the \"License\");\n"
+        << "you may not use this file except in compliance with the License.\n"
+        << "You may obtain a copy of the License at\n"
+        << "\n"
+        << "  http://www.apache.org/licenses/LICENSE-2.0\n"
+        << "\n"
+        << "Unless required by applicable law or agreed to in writing, software\n"
+        << "distributed under the License is distributed on an \"AS IS\" BASIS,\n"
+        << "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n"
+        << "See the License for the specific language governing permissions and\n"
+        << "limitations under the License.\n"
+        << "\n"
+        << "Versions of qpdf prior to version 7 were released under the terms\n"
+        << "of version 2.0 of the Artistic License. At your option, you may\n"
+        << "continue to consider qpdf to be licensed under those terms. Please\n"
+        << "see the manual for additional information.\n";
+    // clang-format on
+}
+
+void
+ArgParser::argJsonHelp(std::string const& parameter)
+{
+    int version = JSON::LATEST;
+    if (!(parameter.empty() || (parameter == "latest"))) {
+        version = QUtil::string_to_int(parameter.c_str());
+    }
+    if ((version < 1) || (version > JSON::LATEST)) {
+        usage(std::string("unsupported json version ") + parameter);
+    }
+    *QPDFLogger::defaultLogger()->getInfo()
+        << QPDFJob::json_out_schema(version) << "\n";
+}
+
+void
+ArgParser::argShowCrypto()
+{
+    auto crypto = QPDFCryptoProvider::getRegisteredImpls();
+    std::string default_crypto = QPDFCryptoProvider::getDefaultProvider();
+    *QPDFLogger::defaultLogger()->getInfo() << default_crypto << "\n";
+    for (auto const& iter: crypto) {
+        if (iter != default_crypto) {
+            *QPDFLogger::defaultLogger()->getInfo() << iter << "\n";
+        }
+    }
+}
+
+void
+ArgParser::argEncrypt()
+{
+    this->accumulated_args.clear();
+    if (this->ap.isCompleting() && this->ap.argsLeft() == 0) {
+        this->ap.insertCompletion("user-password");
+    }
+    this->ap.selectOptionTable(O_ENCRYPTION);
+}
+
+void
+ArgParser::argEncPositional(std::string const& arg)
+{
+    this->accumulated_args.push_back(arg);
+    size_t n_args = this->accumulated_args.size();
+    if (n_args < 3) {
+        if (this->ap.isCompleting() && (this->ap.argsLeft() == 0)) {
+            if (n_args == 1) {
+                this->ap.insertCompletion("owner-password");
+            } else if (n_args == 2) {
+                this->ap.insertCompletion("40");
+                this->ap.insertCompletion("128");
+                this->ap.insertCompletion("256");
+            }
+        }
+        return;
+    }
+    std::string user_password = this->accumulated_args.at(0);
+    std::string owner_password = this->accumulated_args.at(1);
+    std::string len_str = this->accumulated_args.at(2);
+    int keylen = 0;
+    if (len_str == "40") {
+        keylen = 40;
+        this->ap.selectOptionTable(O_40_BIT_ENCRYPTION);
+    } else if (len_str == "128") {
+        keylen = 128;
+        this->ap.selectOptionTable(O_128_BIT_ENCRYPTION);
+    } else if (len_str == "256") {
+        keylen = 256;
+        this->ap.selectOptionTable(O_256_BIT_ENCRYPTION);
+    } else {
+        usage("encryption key length must be 40, 128, or 256");
+    }
+    this->c_enc = c_main->encrypt(keylen, user_password, owner_password);
+}
+
+void
+ArgParser::argPages()
+{
+    this->accumulated_args.clear();
+    this->c_pages = c_main->pages();
+    this->ap.selectOptionTable(O_PAGES);
+}
+
+void
+ArgParser::argPagesPassword(std::string const& parameter)
+{
+    if (this->pages_password) {
+        QTC::TC("qpdf", "QPDFJob duplicated pages password");
+        usage("--password already specified for this file");
+    }
+    if (this->accumulated_args.size() != 1) {
+        QTC::TC("qpdf", "QPDFJob misplaced pages password");
+        usage("in --pages, --password must immediately follow a file name");
+    }
+    this->pages_password = QUtil::make_shared_cstr(parameter);
+}
+
+void
+ArgParser::argPagesPositional(std::string const& arg)
+{
+    if (arg.empty()) {
+        if (this->accumulated_args.empty()) {
+            return;
+        }
+    } else {
+        this->accumulated_args.push_back(arg);
+    }
+
+    std::string file = this->accumulated_args.at(0);
+    char const* range_p = nullptr;
+
+    size_t n_args = this->accumulated_args.size();
+    if (n_args >= 2) {
+        // will be copied before accumulated_args is cleared
+        range_p = this->accumulated_args.at(1).c_str();
+    }
+
+    // See if the user omitted the range entirely, in which case we
+    // assume "1-z".
+    std::string next_file;
+    if (range_p == nullptr) {
+        if (arg.empty()) {
+            // The filename or password was the last argument
+            QTC::TC(
+                "qpdf",
+                "QPDFJob pages range omitted at end",
+                this->pages_password ? 0 : 1);
+        } else {
+            // We need to accumulate some more arguments
+            return;
+        }
+    } else {
+        try {
+            QUtil::parse_numrange(range_p, 0);
+        } catch (std::runtime_error& e1) {
+            // The range is invalid.  Let's see if it's a file.
+            if (strcmp(range_p, ".") == 0) {
+                // "." means the input file.
+                QTC::TC("qpdf", "QPDFJob pages range omitted with .");
+            } else if (QUtil::file_can_be_opened(range_p)) {
+                QTC::TC("qpdf", "QPDFJob pages range omitted in middle");
+                // Yup, it's a file.
+            } else {
+                // Give the range error
+                usage(e1.what());
+            }
+            next_file = range_p;
+            range_p = nullptr;
+        }
+    }
+    std::string range(range_p ? range_p : "1-z");
+    this->c_pages->pageSpec(file, range, this->pages_password.get());
+    this->accumulated_args.clear();
+    this->pages_password = nullptr;
+    if (!next_file.empty()) {
+        this->accumulated_args.push_back(next_file);
+    }
+}
+
+void
+ArgParser::argEndPages()
+{
+    argPagesPositional("");
+    c_pages->endPages();
+    c_pages = nullptr;
+}
+
+void
+ArgParser::argUnderlay()
+{
+    this->c_uo = c_main->underlay();
+    this->ap.selectOptionTable(O_UNDERLAY_OVERLAY);
+}
+
+void
+ArgParser::argOverlay()
+{
+    this->c_uo = c_main->overlay();
+    this->ap.selectOptionTable(O_UNDERLAY_OVERLAY);
+}
+
+void
+ArgParser::argAddAttachment()
+{
+    this->c_att = c_main->addAttachment();
+    this->ap.selectOptionTable(O_ATTACHMENT);
+}
+
+void
+ArgParser::argCopyAttachmentsFrom()
+{
+    this->c_copy_att = c_main->copyAttachmentsFrom();
+    this->ap.selectOptionTable(O_COPY_ATTACHMENT);
+}
+
+void
+ArgParser::argEndEncryption()
+{
+    c_enc->endEncrypt();
+    c_enc = nullptr;
+}
+
+void
+ArgParser::argEnd40BitEncryption()
+{
+    argEndEncryption();
+}
+
+void
+ArgParser::argEnd128BitEncryption()
+{
+    argEndEncryption();
+}
+
+void
+ArgParser::argEnd256BitEncryption()
+{
+    argEndEncryption();
+}
+
+void
+ArgParser::argUOPositional(std::string const& arg)
+{
+    c_uo->file(arg);
+}
+
+void
+ArgParser::argEndUnderlayOverlay()
+{
+    c_uo->endUnderlayOverlay();
+    c_uo = nullptr;
+}
+
+void
+ArgParser::argAttPositional(std::string const& arg)
+{
+    c_att->file(arg);
+}
+
+void
+ArgParser::argEndAttachment()
+{
+    c_att->endAddAttachment();
+    c_att = nullptr;
+}
+
+void
+ArgParser::argCopyAttPositional(std::string const& arg)
+{
+    c_copy_att->file(arg);
+}
+
+void
+ArgParser::argEndCopyAttachment()
+{
+    c_copy_att->endCopyAttachmentsFrom();
+    c_copy_att = nullptr;
+}
+
+void
+ArgParser::argJobJsonHelp()
+{
+    *QPDFLogger::defaultLogger()->getInfo()
+        << QPDFJob::job_json_schema(QPDFJob::LATEST_JOB_JSON) << "\n";
+}
+
+void
+ArgParser::usage(std::string const& message)
+{
+    this->ap.usage(message);
+}
+
+void
+ArgParser::parseOptions()
+{
+    try {
+        this->ap.parseArgs();
+    } catch (std::runtime_error& e) {
+        usage(e.what());
+    }
+}
+
+void
+QPDFJob::initializeFromArgv(char const* const argv, char const* progname_env)
+{
+    if (progname_env == nullptr) {
+        progname_env = "QPDF_EXECUTABLE";
+    }
+    int argc = 0;
+    for (auto k = argv; *k; ++k) {
+        ++argc;
+    }
+    QPDFArgParser qap(argc, argv, progname_env);
+    setMessagePrefix(qap.getProgname());
+    ArgParser ap(qap, config());
+    ap.parseOptions();
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFJob_config.cc Added

@@ -0,0 +1,1196 @@
+#include <qpdf/QPDFJob.hh>
+
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+void
+QPDFJob::Config::checkConfiguration()
+{
+    o.checkConfiguration();
+}
+
+QPDFJob::Config*
+QPDFJob::Config::inputFile(std::string const& filename)
+{
+    if (o.m->infilename == nullptr) {
+        o.m->infilename = QUtil::make_shared_cstr(filename);
+    } else {
+        usage("input file has already been given");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::emptyInput()
+{
+    if (o.m->infilename == nullptr) {
+        // Various places in QPDFJob.cc know that the empty string for
+        // infile means empty. We set it to something other than a
+        // null pointer as an indication that some input source has
+        // been specified. This approach means that passing "" as
+        // the argument to inputFile in job JSON, or equivalently
+        // using "" as a positional command-line argument would be the
+        // same as --empty. This probably isn't worth blocking or
+        // coding around.
+        o.m->infilename = QUtil::make_shared_cstr("");
+    } else {
+        usage("empty input can't be used"
+              " since input file has already been given");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::outputFile(std::string const& filename)
+{
+    if ((o.m->outfilename == nullptr) && (!o.m->replace_input)) {
+        o.m->outfilename = QUtil::make_shared_cstr(filename);
+    } else {
+        usage("output file has already been given");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::replaceInput()
+{
+    if ((o.m->outfilename == nullptr) && (!o.m->replace_input)) {
+        o.m->replace_input = true;
+    } else {
+        usage("replace-input can't be used"
+              " since output file has already been given");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::allowWeakCrypto()
+{
+    o.m->allow_weak_crypto = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::check()
+{
+    o.m->check = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::checkLinearization()
+{
+    o.m->check_linearization = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::coalesceContents()
+{
+    o.m->coalesce_contents = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::collate()
+{
+    return collate("");
+}
+
+QPDFJob::Config*
+QPDFJob::Config::collate(std::string const& parameter)
+{
+    auto n = (parameter.empty() ? 1 : QUtil::string_to_uint(parameter.c_str()));
+    o.m->collate = QIntC::to_size(n);
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::compressStreams(std::string const& parameter)
+{
+    o.m->compress_streams_set = true;
+    o.m->compress_streams = (parameter == "y");
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::compressionLevel(std::string const& parameter)
+{
+    o.m->compression_level = QUtil::string_to_int(parameter.c_str());
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::copyEncryption(std::string const& parameter)
+{
+    o.m->encryption_file = parameter;
+    o.m->copy_encryption = true;
+    o.m->encrypt = false;
+    o.m->decrypt = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::decrypt()
+{
+    o.m->decrypt = true;
+    o.m->encrypt = false;
+    o.m->copy_encryption = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::deterministicId()
+{
+    o.m->deterministic_id = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::encryptionFilePassword(std::string const& parameter)
+{
+    o.m->encryption_file_password = QUtil::make_shared_cstr(parameter);
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::externalizeInlineImages()
+{
+    o.m->externalize_inline_images = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::filteredStreamData()
+{
+    o.m->show_filtered_stream_data = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::flattenAnnotations(std::string const& parameter)
+{
+    o.m->flatten_annotations = true;
+    if (parameter == "screen") {
+        o.m->flatten_annotations_forbidden |= an_no_view;
+    } else if (parameter == "print") {
+        o.m->flatten_annotations_required |= an_print;
+    } else if (parameter != "all") {
+        usage("invalid flatten-annotations option");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::flattenRotation()
+{
+    o.m->flatten_rotation = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::forceVersion(std::string const& parameter)
+{
+    o.m->force_version = parameter;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::generateAppearances()
+{
+    o.m->generate_appearances = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::ignoreXrefStreams()
+{
+    o.m->ignore_xref_streams = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::iiMinBytes(std::string const& parameter)
+{
+    o.m->ii_min_bytes = QUtil::string_to_uint(parameter.c_str());
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::isEncrypted()
+{
+    o.m->check_is_encrypted = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::json()
+{
+    return json("");
+}
+
+QPDFJob::Config*
+QPDFJob::Config::json(std::string const& parameter)
+{
+    if (parameter.empty() || (parameter == "latest")) {
+        o.m->json_version = JSON::LATEST;
+    } else {
+        o.m->json_version = QUtil::string_to_int(parameter.c_str());
+    }
+    if ((o.m->json_version < 1) || (o.m->json_version > JSON::LATEST)) {
+        usage(std::string("unsupported json version ") + parameter);
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::jsonKey(std::string const& parameter)
+{
+    o.m->json_keys.insert(parameter);
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::jsonObject(std::string const& parameter)
+{
+    o.m->json_objects.insert(parameter);
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::jsonStreamData(std::string const& parameter)
+{
+    o.m->json_stream_data_set = true;
+    if (parameter == "none") {
+        o.m->json_stream_data = qpdf_sj_none;
+    } else if (parameter == "inline") {
+        o.m->json_stream_data = qpdf_sj_inline;
+    } else if (parameter == "file") {
+        o.m->json_stream_data = qpdf_sj_file;
+    } else {
+        usage("invalid json-streams option");
+    }
+
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::jsonStreamPrefix(std::string const& parameter)
+{
+    o.m->json_stream_prefix = parameter;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::jsonInput()
+{
+    o.m->json_input = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::jsonOutput(std::string const& parameter)
+{
+    o.m->json_output = true;
+    json(parameter);
+    if (!o.m->json_stream_data_set) {
+        // No need to set json_stream_data_set -- that indicates
+        // explicit use of --json-stream-data.
+        o.m->json_stream_data = qpdf_sj_inline;
+    }
+    if (!o.m->decode_level_set) {
+        o.m->decode_level = qpdf_dl_none;
+    }
+    o.m->json_keys.insert("qpdf");
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::updateFromJson(std::string const& parameter)
+{
+    o.m->update_from_json = parameter;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::testJsonSchema()
+{
+    o.m->test_json_schema = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::keepFilesOpen(std::string const& parameter)
+{
+    o.m->keep_files_open_set = true;
+    o.m->keep_files_open = (parameter == "y");
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::keepFilesOpenThreshold(std::string const& parameter)
+{
+    o.m->keep_files_open_threshold = QUtil::string_to_uint(parameter.c_str());
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::keepInlineImages()
+{
+    o.m->keep_inline_images = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::linearize()
+{
+    o.m->linearize = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::linearizePass1(std::string const& parameter)
+{
+    o.m->linearize_pass1 = parameter;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::listAttachments()
+{
+    o.m->list_attachments = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::minVersion(std::string const& parameter)
+{
+    o.m->min_version = parameter;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::newlineBeforeEndstream()
+{
+    o.m->newline_before_endstream = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::noOriginalObjectIds()
+{
+    o.m->suppress_original_object_id = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::noWarn()
+{
+    o.m->suppress_warnings = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::normalizeContent(std::string const& parameter)
+{
+    o.m->normalize_set = true;
+    o.m->normalize = (parameter == "y");
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::oiMinArea(std::string const& parameter)
+{
+    o.m->oi_min_area = QUtil::string_to_uint(parameter.c_str());
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::oiMinHeight(std::string const& parameter)
+{
+    o.m->oi_min_height = QUtil::string_to_uint(parameter.c_str());
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::oiMinWidth(std::string const& parameter)
+{
+    o.m->oi_min_width = QUtil::string_to_uint(parameter.c_str());
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::optimizeImages()
+{
+    o.m->optimize_images = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::password(std::string const& parameter)
+{
+    o.m->password = QUtil::make_shared_cstr(parameter);
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::passwordIsHexKey()
+{
+    o.m->password_is_hex_key = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::preserveUnreferenced()
+{
+    o.m->preserve_unreferenced_objects = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::preserveUnreferencedResources()
+{
+    o.m->remove_unreferenced_page_resources = QPDFJob::re_no;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::progress()
+{
+    o.m->progress = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::qdf()
+{
+    o.m->qdf_mode = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::rawStreamData()
+{
+    o.m->show_raw_stream_data = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::recompressFlate()
+{
+    o.m->recompress_flate_set = true;
+    o.m->recompress_flate = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::removeAttachment(std::string const& parameter)
+{
+    o.m->attachments_to_remove.push_back(parameter);
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::removePageLabels()
+{
+    o.m->remove_page_labels = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::reportMemoryUsage()
+{
+    o.m->report_mem_usage = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::requiresPassword()
+{
+    o.m->check_requires_password = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showAttachment(std::string const& parameter)
+{
+    o.m->attachment_to_show = parameter;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showEncryption()
+{
+    o.m->show_encryption = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showEncryptionKey()
+{
+    o.m->show_encryption_key = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showLinearization()
+{
+    o.m->show_linearization = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showNpages()
+{
+    o.m->show_npages = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showPages()
+{
+    o.m->show_pages = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showXref()
+{
+    o.m->show_xref = true;
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::splitPages()
+{
+    return splitPages("");
+}
+
+QPDFJob::Config*
+QPDFJob::Config::splitPages(std::string const& parameter)
+{
+    int n = (parameter.empty() ? 1 : QUtil::string_to_int(parameter.c_str()));
+    o.m->split_pages = n;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::staticAesIv()
+{
+    o.m->static_aes_iv = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::staticId()
+{
+    o.m->static_id = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::suppressPasswordRecovery()
+{
+    o.m->suppress_password_recovery = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::suppressRecovery()
+{
+    o.m->suppress_recovery = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::verbose()
+{
+    o.m->verbose = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::warningExit0()
+{
+    o.m->warnings_exit_zero = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::withImages()
+{
+    o.m->show_page_images = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::passwordFile(std::string const& parameter)
+{
+    std::list<std::string> lines;
+    if (parameter == "-") {
+        QTC::TC("qpdf", "QPDFJob_config password stdin");
+        lines = QUtil::read_lines_from_file(std::cin);
+    } else {
+        QTC::TC("qpdf", "QPDFJob_config password file");
+        lines = QUtil::read_lines_from_file(parameter.c_str());
+    }
+    if (lines.size() >= 1) {
+        o.m->password = QUtil::make_shared_cstr(lines.front());
+
+        if (lines.size() > 1) {
+            *QPDFLogger::defaultLogger()->getError()
+                << this->o.m->message_prefix
+                << ": WARNING: all but the first line of"
+                << " the password file are ignored\n";
+        }
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::passwordMode(std::string const& parameter)
+{
+    if (parameter == "bytes") {
+        o.m->password_mode = QPDFJob::pm_bytes;
+    } else if (parameter == "hex-bytes") {
+        o.m->password_mode = QPDFJob::pm_hex_bytes;
+    } else if (parameter == "unicode") {
+        o.m->password_mode = QPDFJob::pm_unicode;
+    } else if (parameter == "auto") {
+        o.m->password_mode = QPDFJob::pm_auto;
+    } else {
+        usage("invalid password-mode option");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::streamData(std::string const& parameter)
+{
+    o.m->stream_data_set = true;
+    if (parameter == "compress") {
+        o.m->stream_data_mode = qpdf_s_compress;
+    } else if (parameter == "preserve") {
+        o.m->stream_data_mode = qpdf_s_preserve;
+    } else if (parameter == "uncompress") {
+        o.m->stream_data_mode = qpdf_s_uncompress;
+    } else {
+        usage("invalid stream-data option");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::decodeLevel(std::string const& parameter)
+{
+    o.m->decode_level_set = true;
+    if (parameter == "none") {
+        o.m->decode_level = qpdf_dl_none;
+    } else if (parameter == "generalized") {
+        o.m->decode_level = qpdf_dl_generalized;
+    } else if (parameter == "specialized") {
+        o.m->decode_level = qpdf_dl_specialized;
+    } else if (parameter == "all") {
+        o.m->decode_level = qpdf_dl_all;
+    } else {
+        usage("invalid option");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::objectStreams(std::string const& parameter)
+{
+    o.m->object_stream_set = true;
+    if (parameter == "disable") {
+        o.m->object_stream_mode = qpdf_o_disable;
+    } else if (parameter == "preserve") {
+        o.m->object_stream_mode = qpdf_o_preserve;
+    } else if (parameter == "generate") {
+        o.m->object_stream_mode = qpdf_o_generate;
+    } else {
+        usage("invalid object stream mode");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::removeUnreferencedResources(std::string const& parameter)
+{
+    if (parameter == "auto") {
+        o.m->remove_unreferenced_page_resources = QPDFJob::re_auto;
+    } else if (parameter == "yes") {
+        o.m->remove_unreferenced_page_resources = QPDFJob::re_yes;
+    } else if (parameter == "no") {
+        o.m->remove_unreferenced_page_resources = QPDFJob::re_no;
+    } else {
+        usage("invalid value for --remove-unreferenced-page-resources");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::showObject(std::string const& parameter)
+{
+    QPDFJob::parse_object_id(
+        parameter, o.m->show_trailer, o.m->show_obj, o.m->show_gen);
+    o.m->require_outfile = false;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::jobJsonFile(std::string const& parameter)
+{
+    std::shared_ptr<char> file_buf;
+    size_t size;
+    QUtil::read_file_into_memory(parameter.c_str(), file_buf, size);
+    try {
+        o.initializeFromJson(std::string(file_buf.get(), size), true);
+    } catch (std::exception& e) {
+        throw std::runtime_error(
+            "error with job-json file " + std::string(parameter) + ": " +
+            e.what() + "\nRun " + this->o.m->message_prefix +
+            " --job-json-help for information on the file format.");
+    }
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::Config::rotate(std::string const& parameter)
+{
+    o.parseRotationParameter(parameter);
+    return this;
+}
+
+std::shared_ptr<QPDFJob::CopyAttConfig>
+QPDFJob::Config::copyAttachmentsFrom()
+{
+    return std::shared_ptr<CopyAttConfig>(new CopyAttConfig(this));
+}
+
+QPDFJob::CopyAttConfig::CopyAttConfig(Config* c) :
+    config(c)
+{
+}
+
+QPDFJob::CopyAttConfig*
+QPDFJob::CopyAttConfig::file(std::string const& parameter)
+{
+    this->caf.path = parameter;
+    return this;
+}
+
+QPDFJob::CopyAttConfig*
+QPDFJob::CopyAttConfig::prefix(std::string const& parameter)
+{
+    this->caf.prefix = parameter;
+    return this;
+}
+
+QPDFJob::CopyAttConfig*
+QPDFJob::CopyAttConfig::password(std::string const& parameter)
+{
+    this->caf.password = parameter;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::CopyAttConfig::endCopyAttachmentsFrom()
+{
+    if (this->caf.path.empty()) {
+        usage("copy attachments: no file specified");
+    }
+    this->config->o.m->attachments_to_copy.push_back(this->caf);
+    return this->config;
+}
+
+QPDFJob::AttConfig::AttConfig(Config* c) :
+    config(c)
+{
+}
+
+std::shared_ptr<QPDFJob::AttConfig>
+QPDFJob::Config::addAttachment()
+{
+    return std::shared_ptr<AttConfig>(new AttConfig(this));
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::file(std::string const& parameter)
+{
+    this->att.path = parameter;
+    return this;
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::key(std::string const& parameter)
+{
+    this->att.key = parameter;
+    return this;
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::filename(std::string const& parameter)
+{
+    this->att.filename = parameter;
+    return this;
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::creationdate(std::string const& parameter)
+{
+    if (!QUtil::pdf_time_to_qpdf_time(parameter)) {
+        usage(std::string(parameter) + " is not a valid PDF timestamp");
+    }
+    this->att.creationdate = parameter;
+    return this;
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::moddate(std::string const& parameter)
+{
+    if (!QUtil::pdf_time_to_qpdf_time(parameter)) {
+        usage(std::string(parameter) + " is not a valid PDF timestamp");
+    }
+    this->att.moddate = parameter;
+    return this;
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::mimetype(std::string const& parameter)
+{
+    if (parameter.find('/') == std::string::npos) {
+        usage("mime type should be specified as type/subtype");
+    }
+    this->att.mimetype = parameter;
+    return this;
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::description(std::string const& parameter)
+{
+    this->att.description = parameter;
+    return this;
+}
+
+QPDFJob::AttConfig*
+QPDFJob::AttConfig::replace()
+{
+    this->att.replace = true;
+    return this;
+}
+
+QPDFJob::Config*
+QPDFJob::AttConfig::endAddAttachment()
+{
+    static std::string now =
+        QUtil::qpdf_time_to_pdf_time(QUtil::get_current_qpdf_time());
+    if (this->att.path.empty()) {
+        usage("add attachment: no file specified");
+    }
+    std::string last_element = QUtil::path_basename(this->att.path);
+    if (last_element.empty()) {
+        usage("file for --add-attachment may not be empty");
+    }
+    if (this->att.filename.empty()) {
+        this->att.filename = last_element;
+    }
+    if (this->att.key.empty()) {
+        this->att.key = last_element;
+    }
+    if (this->att.creationdate.empty()) {
+        this->att.creationdate = now;
+    }
+    if (this->att.moddate.empty()) {
+        this->att.moddate = now;
+    }
+
+    this->config->o.m->attachments_to_add.push_back(this->att);
+    return this->config;
+}
+
+QPDFJob::PagesConfig::PagesConfig(Config* c) :
+    config(c)
+{
+}
+
+std::shared_ptr<QPDFJob::PagesConfig>
+QPDFJob::Config::pages()
+{
+    if (!o.m->page_specs.empty()) {
+        usage("--pages may only be specified one time");
+    }
+    return std::shared_ptr<PagesConfig>(new PagesConfig(this));
+}
+
+QPDFJob::Config*
+QPDFJob::PagesConfig::endPages()
+{
+    if (this->config->o.m->page_specs.empty()) {
+        usage("--pages: no page specifications given");
+    }
+    return this->config;
+}
+
+QPDFJob::PagesConfig*
+QPDFJob::PagesConfig::pageSpec(
+    std::string const& filename, std::string const& range, char const* password)
+{
+    this->config->o.m->page_specs.push_back(
+        QPDFJob::PageSpec(filename, password, range));
+    return this;
+}
+
+std::shared_ptr<QPDFJob::UOConfig>
+QPDFJob::Config::overlay()
+{
+    o.m->under_overlay = &o.m->overlay;
+    return std::shared_ptr<UOConfig>(new UOConfig(this));
+}
+
+std::shared_ptr<QPDFJob::UOConfig>
+QPDFJob::Config::underlay()
+{
+    o.m->under_overlay = &o.m->underlay;
+    return std::shared_ptr<UOConfig>(new UOConfig(this));
+}
+
+QPDFJob::UOConfig::UOConfig(Config* c) :
+    config(c)
+{
+}
+
+QPDFJob::Config*
+QPDFJob::UOConfig::endUnderlayOverlay()
+{
+    if (config->o.m->under_overlay->filename.empty()) {
+        usage(config->o.m->under_overlay->which + " file not specified");
+    }
+    config->o.m->under_overlay = nullptr;
+    return this->config;
+}
+
+QPDFJob::UOConfig*
+QPDFJob::UOConfig::file(std::string const& parameter)
+{
+    if (!config->o.m->under_overlay->filename.empty()) {
+        usage(config->o.m->under_overlay->which + " file already specified");
+    } else {
+        config->o.m->under_overlay->filename = parameter;
+    }
+    return this;
+}
+
+QPDFJob::UOConfig*
+QPDFJob::UOConfig::to(std::string const& parameter)
+{
+    config->o.parseNumrange(parameter.c_str(), 0);
+    config->o.m->under_overlay->to_nr = parameter;
+    return this;
+}
+
+QPDFJob::UOConfig*
+QPDFJob::UOConfig::from(std::string const& parameter)
+{
+    if (!parameter.empty()) {
+        config->o.parseNumrange(parameter.c_str(), 0);
+    }
+    config->o.m->under_overlay->from_nr = parameter;
+    return this;
+}
+
+QPDFJob::UOConfig*
+QPDFJob::UOConfig::repeat(std::string const& parameter)
+{
+    if (!parameter.empty()) {
+        config->o.parseNumrange(parameter.c_str(), 0);
+    }
+    config->o.m->under_overlay->repeat_nr = parameter;
+    return this;
+}
+
+QPDFJob::UOConfig*
+QPDFJob::UOConfig::password(std::string const& parameter)
+{
+    config->o.m->under_overlay->password = QUtil::make_shared_cstr(parameter);
+    return this;
+}
+
+std::shared_ptr<QPDFJob::EncConfig>
+QPDFJob::Config::encrypt(
+    int keylen,
+    std::string const& user_password,
+    std::string const& owner_password)
+{
+    o.m->keylen = keylen;
+    if (keylen == 256) {
+        o.m->use_aes = true;
+    }
+    o.m->user_password = user_password;
+    o.m->owner_password = owner_password;
+    return std::shared_ptr<EncConfig>(new EncConfig(this));
+}
+
+QPDFJob::EncConfig::EncConfig(Config* c) :
+    config(c)
+{
+}
+
+QPDFJob::Config*
+QPDFJob::EncConfig::endEncrypt()
+{
+    config->o.m->encrypt = true;
+    config->o.m->decrypt = false;
+    config->o.m->copy_encryption = false;
+    return this->config;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::allowInsecure()
+{
+    config->o.m->allow_insecure = true;
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::accessibility(std::string const& parameter)
+{
+    config->o.m->r3_accessibility = (parameter == "y");
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::extract(std::string const& parameter)
+{
+    if (config->o.m->keylen == 40) {
+        config->o.m->r2_extract = (parameter == "y");
+    } else {
+        config->o.m->r3_extract = (parameter == "y");
+    }
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::print(std::string const& parameter)
+{
+    if (config->o.m->keylen == 40) {
+        config->o.m->r2_print = (parameter == "y");
+    } else if (parameter == "full") {
+        config->o.m->r3_print = qpdf_r3p_full;
+    } else if (parameter == "low") {
+        config->o.m->r3_print = qpdf_r3p_low;
+    } else if (parameter == "none") {
+        config->o.m->r3_print = qpdf_r3p_none;
+    } else {
+        usage("invalid print option");
+    }
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::modify(std::string const& parameter)
+{
+    if (config->o.m->keylen == 40) {
+        config->o.m->r2_modify = (parameter == "y");
+    } else if (parameter == "all") {
+        config->o.m->r3_assemble = true;
+        config->o.m->r3_annotate_and_form = true;
+        config->o.m->r3_form_filling = true;
+        config->o.m->r3_modify_other = true;
+    } else if (parameter == "annotate") {
+        config->o.m->r3_assemble = true;
+        config->o.m->r3_annotate_and_form = true;
+        config->o.m->r3_form_filling = true;
+        config->o.m->r3_modify_other = false;
+    } else if (parameter == "form") {
+        config->o.m->r3_assemble = true;
+        config->o.m->r3_annotate_and_form = false;
+        config->o.m->r3_form_filling = true;
+        config->o.m->r3_modify_other = false;
+    } else if (parameter == "assembly") {
+        config->o.m->r3_assemble = true;
+        config->o.m->r3_annotate_and_form = false;
+        config->o.m->r3_form_filling = false;
+        config->o.m->r3_modify_other = false;
+    } else if (parameter == "none") {
+        config->o.m->r3_assemble = false;
+        config->o.m->r3_annotate_and_form = false;
+        config->o.m->r3_form_filling = false;
+        config->o.m->r3_modify_other = false;
+    } else {
+        usage("invalid modify option");
+    }
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::cleartextMetadata()
+{
+    config->o.m->cleartext_metadata = true;
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::assemble(std::string const& parameter)
+{
+    config->o.m->r3_assemble = (parameter == "y");
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::annotate(std::string const& parameter)
+{
+    if (config->o.m->keylen == 40) {
+        config->o.m->r2_annotate = (parameter == "y");
+    } else {
+        config->o.m->r3_annotate_and_form = (parameter == "y");
+    }
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::form(std::string const& parameter)
+{
+    config->o.m->r3_form_filling = (parameter == "y");
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::modifyOther(std::string const& parameter)
+{
+    config->o.m->r3_modify_other = (parameter == "y");
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::useAes(std::string const& parameter)
+{
+    config->o.m->use_aes = (parameter == "y");
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::forceV4()
+{
+    config->o.m->force_V4 = true;
+    return this;
+}
+
+QPDFJob::EncConfig*
+QPDFJob::EncConfig::forceR5()
+{
+    config->o.m->force_R5 = true;
+    return this;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFJob_json.cc Added

@@ -0,0 +1,593 @@
+#include <qpdf/QPDFJob.hh>
+
+#include <qpdf/JSONHandler.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+#include <cstring>
+#include <memory>
+#include <sstream>
+#include <stdexcept>
+
+static JSON JOB_SCHEMA = JSON::parse(QPDFJob::job_json_schema(1).c_str());
+
+namespace
+{
+    class Handlers
+    {
+      public:
+        Handlers(bool partial, std::shared_ptr<QPDFJob::Config> c_main);
+        void handle(JSON&);
+
+      private:
+#include <qpdf/auto_job_json_decl.hh>
+
+        void usage(std::string const& message);
+        void initHandlers();
+
+        typedef std::function<void()> bare_handler_t;
+        typedef std::function<void(char const*)> param_handler_t;
+        typedef std::function<void(JSON)> json_handler_t;
+
+        // The code that calls these methods is automatically
+        // generated by generate_auto_job. This describes how we
+        // implement what it does. We keep a stack of handlers in
+        // json_handlers. The top of the stack is the "current" json
+        // handler, intially for the top-level object. Whenever we
+        // encounter a scalar, we add a handler using addBare,
+        // addParameter, or addChoices. Whenever we encounter a
+        // dictionary, we first add the dictionary handlers. Then we
+        // walk into the dictionary and, for each key, we register a
+        // dict key handler and push it to the stack, then do the same
+        // process for the key's value. Then we pop the key handler
+        // off the stack. When we encounter an array, we add the array
+        // handlers, push an item handler to the stack, call
+        // recursively for the array's single item (as this is what is
+        // expected in a schema), and pop the item handler. Note that
+        // we don't pop dictionary start/end handlers. The dictionary
+        // handlers and the key handlers are at the same level in
+        // JSONHandler. This logic is subtle and took several tries to
+        // get right. It's best understood by carefully understanding
+        // the behavior of JSONHandler, the JSON schema, and the code
+        // in generate_auto_job.
+
+        void addBare(bare_handler_t);
+        void addParameter(param_handler_t);
+        void addChoices(char const** choices, bool required, param_handler_t);
+        void pushKey(std::string const& key);
+        void beginDict(json_handler_t start_fn, bare_handler_t end_fn);
+        void beginArray(json_handler_t start_fn, bare_handler_t end_fn);
+        void ignoreItem();
+        void popHandler();
+
+        bare_handler_t bindBare(void (Handlers::*f)());
+        json_handler_t bindJSON(void (Handlers::*f)(JSON));
+
+        std::list<std::shared_ptr<JSONHandler>> json_handlers;
+        bool partial;
+        JSONHandler* jh; // points to last of json_handlers
+        std::shared_ptr<QPDFJob::Config> c_main;
+        std::shared_ptr<QPDFJob::CopyAttConfig> c_copy_att;
+        std::shared_ptr<QPDFJob::AttConfig> c_att;
+        std::shared_ptr<QPDFJob::PagesConfig> c_pages;
+        std::shared_ptr<QPDFJob::UOConfig> c_uo;
+        std::shared_ptr<QPDFJob::EncConfig> c_enc;
+    };
+} // namespace
+
+Handlers::Handlers(bool partial, std::shared_ptr<QPDFJob::Config> c_main) :
+    partial(partial),
+    jh(nullptr),
+    c_main(c_main)
+{
+    initHandlers();
+}
+
+void
+Handlers::usage(std::string const& message)
+{
+    throw QPDFUsage(message);
+}
+
+Handlers::bare_handler_t
+Handlers::bindBare(void (Handlers::*f)())
+{
+    return std::bind(std::mem_fn(f), this);
+}
+
+Handlers::json_handler_t
+Handlers::bindJSON(void (Handlers::*f)(JSON))
+{
+    return std::bind(std::mem_fn(f), this, std::placeholders::_1);
+}
+
+void
+Handlers::initHandlers()
+{
+    this->json_handlers.push_back(std::make_shared<JSONHandler>());
+    this->jh = this->json_handlers.back().get();
+    jh->addDictHandlers(
+        (std::string const&, JSON) {},
+        this(std::string const&) {
+            if (!this->partial) {
+                c_main->checkConfiguration();
+            }
+        });
+
+#include <qpdf/auto_job_json_init.hh>
+
+    if (this->json_handlers.size() != 1) {
+        throw std::logic_error("QPDFJob_json: json_handlers size != 1 at end");
+    }
+}
+
+void
+Handlers::addBare(bare_handler_t fn)
+{
+    jh->addStringHandler(
+        this, fn(std::string const& path, std::string const& parameter) {
+            if (!parameter.empty()) {
+                QTC::TC("qpdf", "QPDFJob json bare not empty");
+                usage(path + ": value must be the empty string");
+            } else {
+                fn();
+            }
+        });
+}
+
+void
+Handlers::addParameter(param_handler_t fn)
+{
+    jh->addStringHandler(
+        fn(std::string const& path, std::string const& parameter) {
+            fn(parameter.c_str());
+        });
+}
+
+void
+Handlers::addChoices(char const** choices, bool required, param_handler_t fn)
+{
+    jh->addStringHandler(
+        fn, choices, required, this(
+            std::string const& path, std::string const& parameter) {
+            char const* p = parameter.c_str();
+            bool matches = false;
+            if ((!required) && (parameter.empty())) {
+                matches = true;
+            }
+            if (!matches) {
+                for (char const** i = choices; *i; ++i) {
+                    if (strcmp(*i, p) == 0) {
+                        QTC::TC("qpdf", "QPDFJob json choice match");
+                        matches = true;
+                        break;
+                    }
+                }
+            }
+            if (!matches) {
+                QTC::TC("qpdf", "QPDFJob json choice mismatch");
+                std::ostringstream msg;
+                msg << path + ": unexpected value; expected one of ";
+                bool first = true;
+                for (char const** i = choices; *i; ++i) {
+                    if (first) {
+                        first = false;
+                    } else {
+                        msg << ", ";
+                    }
+                    msg << *i;
+                }
+                usage(msg.str());
+            }
+            fn(parameter.c_str());
+        });
+}
+
+void
+Handlers::pushKey(std::string const& key)
+{
+    auto new_jh = std::make_shared<JSONHandler>();
+    this->jh->addDictKeyHandler(key, new_jh);
+    this->json_handlers.push_back(new_jh);
+    this->jh = new_jh.get();
+}
+
+void
+Handlers::beginDict(json_handler_t start_fn, bare_handler_t end_fn)
+{
+    jh->addDictHandlers(
+        start_fn(std::string const&, JSON j) { start_fn(j); },
+        end_fn(std::string const&) { end_fn(); });
+}
+
+void
+Handlers::beginArray(json_handler_t start_fn, bare_handler_t end_fn)
+{
+    auto item_jh = std::make_shared<JSONHandler>();
+    jh->addArrayHandlers(
+        start_fn(std::string const&, JSON j) { start_fn(j); },
+        end_fn(std::string const&) { end_fn(); },
+        item_jh);
+    this->json_handlers.push_back(item_jh);
+    this->jh = item_jh.get();
+}
+
+void
+Handlers::ignoreItem()
+{
+    jh->addAnyHandler((std::string const&, JSON) {});
+}
+
+void
+Handlers::popHandler()
+{
+    this->json_handlers.pop_back();
+    this->jh = this->json_handlers.back().get();
+}
+
+void
+Handlers::handle(JSON& j)
+{
+    this->json_handlers.back()->handle(".", j);
+}
+
+void
+Handlers::setupInputFile()
+{
+    addParameter(this(char const* p) { c_main->inputFile(p); });
+}
+
+void
+Handlers::setupPassword()
+{
+    addParameter(this(char const* p) { c_main->password(p); });
+}
+
+void
+Handlers::setupEmpty()
+{
+    addBare(this() { c_main->emptyInput(); });
+}
+
+void
+Handlers::setupOutputFile()
+{
+    addParameter(this(char const* p) { c_main->outputFile(p); });
+}
+
+void
+Handlers::setupReplaceInput()
+{
+    addBare(this() { c_main->replaceInput(); });
+}
+
+void
+Handlers::beginEncrypt(JSON j)
+{
+    // This method is only called if the overall JSON structure
+    // matches the schema, so we already know that keys that are
+    // present have the right types.
+    int key_len = 0;
+    std::string user_password;
+    std::string owner_password;
+    bool user_password_seen = false;
+    bool owner_password_seen = false;
+    j.forEachDictItem(&(std::string const& key, JSON value) {
+        if ((key == "40bit") || (key == "128bit") || (key == "256bit")) {
+            if (key_len != 0) {
+                QTC::TC("qpdf", "QPDFJob json encrypt duplicate key length");
+                usage("exactly one of 40bit, 128bit, or 256bit must be given");
+            }
+            key_len = QUtil::string_to_int(key.c_str());
+        } else if (key == "userPassword") {
+            user_password_seen = value.getString(user_password);
+        } else if (key == "ownerPassword") {
+            owner_password_seen = value.getString(owner_password);
+        }
+    });
+    if (key_len == 0) {
+        QTC::TC("qpdf", "QPDFJob json encrypt no key length");
+        usage("exactly one of 40bit, 128bit, or 256bit must be given;"
+              " an empty dictionary may be supplied for one of them"
+              " to set the key length without imposing any restrictions");
+    }
+    if (!(user_password_seen && owner_password_seen)) {
+        QTC::TC("qpdf", "QPDFJob json encrypt missing password");
+        usage("the user and owner password are both required; use the empty"
+              " string for the user password if you don't want a password");
+    }
+    this->c_enc = c_main->encrypt(key_len, user_password, owner_password);
+}
+
+void
+Handlers::endEncrypt()
+{
+    this->c_enc->endEncrypt();
+    this->c_enc = nullptr;
+}
+
+void
+Handlers::setupEncryptUserPassword()
+{
+    // handled in beginEncrypt
+    ignoreItem();
+}
+
+void
+Handlers::setupEncryptOwnerPassword()
+{
+    // handled in beginEncrypt
+    ignoreItem();
+}
+
+void
+Handlers::beginEncrypt40bit(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endEncrypt40bit()
+{
+    // nothing needed
+}
+
+void
+Handlers::beginEncrypt128bit(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endEncrypt128bit()
+{
+    // nothing needed
+}
+
+void
+Handlers::beginEncrypt256bit(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endEncrypt256bit()
+{
+    // nothing needed
+}
+
+void
+Handlers::beginJsonKeyArray(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endJsonKeyArray()
+{
+    // nothing needed
+}
+
+void
+Handlers::beginJsonObjectArray(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endJsonObjectArray()
+{
+    // nothing needed
+}
+
+void
+Handlers::beginAddAttachmentArray(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endAddAttachmentArray()
+{
+    // nothing needed
+}
+
+void
+Handlers::beginAddAttachment(JSON)
+{
+    this->c_att = c_main->addAttachment();
+}
+
+void
+Handlers::endAddAttachment()
+{
+    this->c_att->endAddAttachment();
+    this->c_att = nullptr;
+}
+
+void
+Handlers::setupAddAttachmentFile()
+{
+    addParameter(this(char const* p) { c_att->file(p); });
+}
+
+void
+Handlers::beginRemoveAttachmentArray(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endRemoveAttachmentArray()
+{
+    // nothing needed
+}
+void
+Handlers::beginCopyAttachmentsFromArray(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endCopyAttachmentsFromArray()
+{
+    // nothing needed
+}
+
+void
+Handlers::beginCopyAttachmentsFrom(JSON)
+{
+    this->c_copy_att = c_main->copyAttachmentsFrom();
+}
+
+void
+Handlers::endCopyAttachmentsFrom()
+{
+    this->c_copy_att->endCopyAttachmentsFrom();
+    this->c_copy_att = nullptr;
+}
+
+void
+Handlers::setupCopyAttachmentsFromFile()
+{
+    addParameter(this(char const* p) { c_copy_att->file(p); });
+}
+
+void
+Handlers::setupCopyAttachmentsFromPassword()
+{
+    addParameter(this(char const* p) { c_copy_att->password(p); });
+}
+
+void
+Handlers::beginPagesArray(JSON)
+{
+    this->c_pages = c_main->pages();
+}
+
+void
+Handlers::endPagesArray()
+{
+    c_pages->endPages();
+    c_pages = nullptr;
+}
+
+void
+Handlers::beginPages(JSON j)
+{
+    std::string file;
+    std::string range("1-z");
+    std::string password;
+    bool file_seen = false;
+    bool password_seen = false;
+    j.forEachDictItem(&(std::string const& key, JSON value) {
+        if (key == "file") {
+            file_seen = value.getString(file);
+        } else if (key == "range") {
+            value.getString(range);
+        } else if (key == "password") {
+            password_seen = value.getString(password);
+        }
+    });
+    if (!file_seen) {
+        QTC::TC("qpdf", "QPDFJob json pages no file");
+        usage("file is required in page specification");
+    }
+    this->c_pages->pageSpec(
+        file, range, password_seen ? password.c_str() : nullptr);
+}
+
+void
+Handlers::endPages()
+{
+    // nothing needed
+}
+
+void
+Handlers::setupPagesFile()
+{
+    // handled in beginPages
+    ignoreItem();
+}
+
+void
+Handlers::setupPagesPassword()
+{
+    // handled in beginPages
+    ignoreItem();
+}
+
+void
+Handlers::setupPagesRange()
+{
+    // handled in beginPages
+    ignoreItem();
+}
+
+void
+Handlers::beginOverlay(JSON)
+{
+    this->c_uo = c_main->overlay();
+}
+
+void
+Handlers::endOverlay()
+{
+    c_uo->endUnderlayOverlay();
+    c_uo = nullptr;
+}
+
+void
+Handlers::setupOverlayFile()
+{
+    addParameter(this(char const* p) { c_uo->file(p); });
+}
+
+void
+Handlers::setupOverlayPassword()
+{
+    addParameter(this(char const* p) { c_uo->password(p); });
+}
+
+void
+Handlers::beginUnderlay(JSON)
+{
+    this->c_uo = c_main->underlay();
+}
+
+void
+Handlers::endUnderlay()
+{
+    c_uo->endUnderlayOverlay();
+    c_uo = nullptr;
+}
+
+void
+Handlers::setupUnderlayFile()
+{
+    addParameter(this(char const* p) { c_uo->file(p); });
+}
+
+void
+Handlers::setupUnderlayPassword()
+{
+    addParameter(this(char const* p) { c_uo->password(p); });
+}
+
+void
+QPDFJob::initializeFromJson(std::string const& json, bool partial)
+{
+    std::list<std::string> errors;
+    JSON j = JSON::parse(json);
+    if (!j.checkSchema(JOB_SCHEMA, JSON::f_optional, errors)) {
+        std::ostringstream msg;
+        msg << this->m->message_prefix << ": job json has errors:";
+        for (auto const& error: errors) {
+            msg << std::endl << "  " << error;
+        }
+        throw std::runtime_error(msg.str());
+    }
+
+    Handlers(partial, config()).handle(j);
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFLogger.cc Added

@@ -0,0 +1,258 @@
+#include <qpdf/QPDFLogger.hh>
+
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_OStream.hh>
+#include <qpdf/QUtil.hh>
+#include <iostream>
+#include <stdexcept>
+
+namespace
+{
+    class Pl_Track: public Pipeline
+    {
+      public:
+        Pl_Track(char const* identifier, Pipeline* next) :
+            Pipeline(identifier, next),
+            used(false)
+        {
+        }
+
+        virtual void
+        write(unsigned char const* data, size_t len) override
+        {
+            this->used = true;
+            getNext()->write(data, len);
+        }
+
+        virtual void
+        finish() override
+        {
+            getNext()->finish();
+        }
+
+        bool
+        getUsed() const
+        {
+            return used;
+        }
+
+      private:
+        bool used;
+    };
+}; // namespace
+
+QPDFLogger::Members::Members() :
+    p_discard(new Pl_Discard()),
+    p_real_stdout(new Pl_OStream("standard output", std::cout)),
+    p_stdout(new Pl_Track("track stdout", p_real_stdout.get())),
+    p_stderr(new Pl_OStream("standard error", std::cerr)),
+    p_info(p_stdout),
+    p_warn(nullptr),
+    p_error(p_stderr),
+    p_save(nullptr)
+{
+}
+
+QPDFLogger::Members::~Members()
+{
+    p_stdout->finish();
+    p_stderr->finish();
+}
+
+QPDFLogger::QPDFLogger() :
+    m(new Members())
+{
+}
+
+std::shared_ptr<QPDFLogger>
+QPDFLogger::create()
+{
+    return std::shared_ptr<QPDFLogger>(new QPDFLogger);
+}
+
+std::shared_ptr<QPDFLogger>
+QPDFLogger::defaultLogger()
+{
+    static auto l = create();
+    return l;
+}
+
+void
+QPDFLogger::info(char const* s)
+{
+    getInfo(false)->writeCStr(s);
+}
+
+void
+QPDFLogger::info(std::string const& s)
+{
+    getInfo(false)->writeString(s);
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::getInfo(bool null_okay)
+{
+    return throwIfNull(this->m->p_info, null_okay);
+}
+
+void
+QPDFLogger::warn(char const* s)
+{
+    getWarn(false)->writeCStr(s);
+}
+
+void
+QPDFLogger::warn(std::string const& s)
+{
+    getWarn(false)->writeString(s);
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::getWarn(bool null_okay)
+{
+    if (this->m->p_warn) {
+        return this->m->p_warn;
+    }
+    return getError(null_okay);
+}
+
+void
+QPDFLogger::error(char const* s)
+{
+    getError(false)->writeCStr(s);
+}
+
+void
+QPDFLogger::error(std::string const& s)
+{
+    getError(false)->writeString(s);
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::getError(bool null_okay)
+{
+    return throwIfNull(this->m->p_error, null_okay);
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::getSave(bool null_okay)
+{
+    return throwIfNull(this->m->p_save, null_okay);
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::standardOutput()
+{
+    return this->m->p_stdout;
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::standardError()
+{
+    return this->m->p_stderr;
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::discard()
+{
+    return this->m->p_discard;
+}
+
+void
+QPDFLogger::setInfo(std::shared_ptr<Pipeline> p)
+{
+    if (p == nullptr) {
+        if (this->m->p_save == this->m->p_stdout) {
+            p = this->m->p_stderr;
+        } else {
+            p = this->m->p_stdout;
+        }
+    }
+    this->m->p_info = p;
+}
+
+void
+QPDFLogger::setWarn(std::shared_ptr<Pipeline> p)
+{
+    this->m->p_warn = p;
+}
+
+void
+QPDFLogger::setError(std::shared_ptr<Pipeline> p)
+{
+    if (p == nullptr) {
+        p = this->m->p_stderr;
+    }
+    this->m->p_error = p;
+}
+
+void
+QPDFLogger::setSave(std::shared_ptr<Pipeline> p, bool only_if_not_set)
+{
+    if (only_if_not_set && (this->m->p_save != nullptr)) {
+        return;
+    }
+    if (this->m->p_save == p) {
+        return;
+    }
+    if (p == this->m->p_stdout) {
+        auto pt = dynamic_cast<Pl_Track*>(p.get());
+        if (pt->getUsed()) {
+            throw std::logic_error(
+                "QPDFLogger: called setSave on standard output after standard"
+                " output has already been used");
+        }
+        if (this->m->p_info == this->m->p_stdout) {
+            this->m->p_info = this->m->p_stderr;
+        }
+        QUtil::binary_stdout();
+    }
+    this->m->p_save = p;
+}
+
+void
+QPDFLogger::saveToStandardOutput(bool only_if_not_set)
+{
+    setSave(standardOutput(), only_if_not_set);
+}
+
+void
+QPDFLogger::setOutputStreams(std::ostream* out_stream, std::ostream* err_stream)
+{
+    if (out_stream == &std::cout) {
+        out_stream = nullptr;
+    }
+    if (err_stream == &std::cerr) {
+        err_stream = nullptr;
+    }
+    std::shared_ptr<Pipeline> new_out;
+    std::shared_ptr<Pipeline> new_err;
+
+    if (out_stream == nullptr) {
+        if (this->m->p_save == this->m->p_stdout) {
+            new_out = this->m->p_stderr;
+        } else {
+            new_out = this->m->p_stdout;
+        }
+    } else {
+        new_out = std::make_shared<Pl_OStream>("output", *out_stream);
+    }
+    if (err_stream == nullptr) {
+        new_err = this->m->p_stderr;
+    } else {
+        new_err = std::make_shared<Pl_OStream>("error output", *err_stream);
+    }
+    this->m->p_info = new_out;
+    this->m->p_warn = nullptr;
+    this->m->p_error = new_err;
+}
+
+std::shared_ptr<Pipeline>
+QPDFLogger::throwIfNull(std::shared_ptr<Pipeline> p, bool null_okay)
+{
+    if (!(null_okay || p)) {
+        throw std::logic_error(
+            "QPDFLogger: requested a null pipeline without null_okay == true");
+    }
+    return p;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFMatrix.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFMatrix.cc Changed

@@ -1,4 +1,5 @@
 #include <qpdf/QPDFMatrix.hh>
+
 #include <qpdf/QUtil.hh>
 #include <algorithm>
 
@@ -12,8 +13,8 @@
 {
 }
 
-QPDFMatrix::QPDFMatrix(double a, double b, double c,
-                       double d, double e, double f) :
+QPDFMatrix::QPDFMatrix(
+    double a, double b, double c, double d, double e, double f) :
     a(a),
     b(b),
     c(c),
@@ -33,10 +34,10 @@
 {
 }
 
-static double fix_rounding(double d)
+static double
+fix_rounding(double d)
 {
-    if ((d > -0.00001) && (d < 0.00001))
-    {
+    if ((d > -0.00001) && (d < 0.00001)) {
         d = 0.0;
     }
     return d;
@@ -45,12 +46,13 @@
 std::string
 QPDFMatrix::unparse() const
 {
-    return (QUtil::double_to_string(fix_rounding(a), 5) + " " +
-            QUtil::double_to_string(fix_rounding(b), 5) + " " +
-            QUtil::double_to_string(fix_rounding(c), 5) + " " +
-            QUtil::double_to_string(fix_rounding(d), 5) + " " +
-            QUtil::double_to_string(fix_rounding(e), 5) + " " +
-            QUtil::double_to_string(fix_rounding(f), 5));
+    return (
+        QUtil::double_to_string(fix_rounding(a), 5) + " " +
+        QUtil::double_to_string(fix_rounding(b), 5) + " " +
+        QUtil::double_to_string(fix_rounding(c), 5) + " " +
+        QUtil::double_to_string(fix_rounding(d), 5) + " " +
+        QUtil::double_to_string(fix_rounding(e), 5) + " " +
+        QUtil::double_to_string(fix_rounding(f), 5));
 }
 
 QPDFObjectHandle::Matrix
@@ -68,12 +70,12 @@
     double dp = (this->b * other.c) + (this->d * other.d);
     double ep = (this->a * other.e) + (this->c * other.f) + this->e;
     double fp = (this->b * other.e) + (this->d * other.f) + this->f;
-    this-> a = ap;
-    this-> b = bp;
-    this-> c = cp;
-    this-> d = dp;
-    this-> e = ep;
-    this-> f = fp;
+    this->a = ap;
+    this->b = bp;
+    this->c = cp;
+    this->d = dp;
+    this->e = ep;
+    this->f = fp;
 }
 
 void
@@ -91,36 +93,32 @@
 void
 QPDFMatrix::rotatex90(int angle)
 {
-    switch (angle)
-    {
-      case 90:
+    switch (angle) {
+    case 90:
         concat(QPDFMatrix(0, 1, -1, 0, 0, 0));
         break;
-      case 180:
+    case 180:
         concat(QPDFMatrix(-1, 0, 0, -1, 0, 0));
         break;
-      case 270:
+    case 270:
         concat(QPDFMatrix(0, -1, 1, 0, 0, 0));
         break;
-      default:
+    default:
         // ignore
         break;
     }
 }
 
 void
-QPDFMatrix::transform(double x, double y, double& xp, double& yp)
+QPDFMatrix::transform(double x, double y, double& xp, double& yp) const
 {
     xp = (this->a * x) + (this->c * y) + this->e;
     yp = (this->b * x) + (this->d * y) + this->f;
 }
 
 QPDFObjectHandle::Rectangle
-QPDFMatrix::transformRectangle(QPDFObjectHandle::Rectangle r)
+QPDFMatrix::transformRectangle(QPDFObjectHandle::Rectangle r) const
 {
-    // Transform a rectangle by creating a new rectangle the tightly
-    // bounds the polygon resulting from transforming the four
-    // corners.
     std::vector<double> tx(4);
     std::vector<double> ty(4);
     transform(r.llx, r.lly, tx.at(0), ty.at(0));
@@ -133,3 +131,11 @@
         *std::max_element(tx.begin(), tx.end()),
         *std::max_element(ty.begin(), ty.end()));
 }
+
+bool
+QPDFMatrix::operator==(QPDFMatrix const& rhs) const
+{
+    return (
+        (this->a == rhs.a) && (this->b == rhs.b) && (this->c == rhs.c) &&
+        (this->d == rhs.d) && (this->e == rhs.e) && (this->f == rhs.f));
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFNameTreeObjectHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFNameTreeObjectHelper.cc Changed

@@ -1,82 +1,214 @@
 #include <qpdf/QPDFNameTreeObjectHelper.hh>
 
-QPDFNameTreeObjectHelper::Members::~Members()
+#include <qpdf/NNTree.hh>
+
+namespace
+{
+    class NameTreeDetails: public NNTreeDetails
+    {
+      public:
+        virtual std::string const&
+        itemsKey() const override
+        {
+            static std::string k("/Names");
+            return k;
+        }
+        virtual bool
+        keyValid(QPDFObjectHandle oh) const override
+        {
+            return oh.isString();
+        }
+        virtual int
+        compareKeys(QPDFObjectHandle a, QPDFObjectHandle b) const override
+        {
+            if (!(keyValid(a) && keyValid(b))) {
+                // We don't call this without calling keyValid first
+                throw std::logic_error("comparing invalid keys");
+            }
+            auto as = a.getUTF8Value();
+            auto bs = b.getUTF8Value();
+            return ((as < bs) ? -1 : (as > bs) ? 1 : 0);
+        }
+    };
+} // namespace
+
+static NameTreeDetails name_tree_details;
+
+QPDFNameTreeObjectHelper::~QPDFNameTreeObjectHelper()
 {
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer. For this specific class, see github issue
+    // #745.
 }
 
-QPDFNameTreeObjectHelper::Members::Members()
+QPDFNameTreeObjectHelper::Members::Members(
+    QPDFObjectHandle& oh, QPDF& q, bool auto_repair) :
+    impl(std::make_shared<NNTreeImpl>(name_tree_details, q, oh, auto_repair))
 {
 }
 
-QPDFNameTreeObjectHelper::QPDFNameTreeObjectHelper(QPDFObjectHandle oh) :
+QPDFNameTreeObjectHelper::QPDFNameTreeObjectHelper(
+    QPDFObjectHandle oh, QPDF& q, bool auto_repair) :
     QPDFObjectHelper(oh),
-    m(new Members())
+    m(new Members(oh, q, auto_repair))
 {
-    updateMap(oh);
 }
 
-QPDFNameTreeObjectHelper::~QPDFNameTreeObjectHelper()
+QPDFNameTreeObjectHelper
+QPDFNameTreeObjectHelper::newEmpty(QPDF& qpdf, bool auto_repair)
+{
+    return QPDFNameTreeObjectHelper(
+        qpdf.makeIndirectObject("<< /Names  >>"_qpdf), qpdf, auto_repair);
+}
+
+QPDFNameTreeObjectHelper::iterator::iterator(
+    std::shared_ptr<NNTreeIterator> const& i) :
+    impl(i)
+{
+}
+
+bool
+QPDFNameTreeObjectHelper::iterator::valid() const
+{
+    return impl->valid();
+}
+
+QPDFNameTreeObjectHelper::iterator&
+QPDFNameTreeObjectHelper::iterator::operator++()
+{
+    ++(*impl);
+    updateIValue();
+    return *this;
+}
+
+QPDFNameTreeObjectHelper::iterator&
+QPDFNameTreeObjectHelper::iterator::operator--()
 {
+    --(*impl);
+    updateIValue();
+    return *this;
 }
 
 void
-QPDFNameTreeObjectHelper::updateMap(QPDFObjectHandle oh)
+QPDFNameTreeObjectHelper::iterator::updateIValue()
 {
-    if (this->m->seen.count(oh.getObjGen()))
-    {
-        return;
-    }
-    this->m->seen.insert(oh.getObjGen());
-    QPDFObjectHandle names = oh.getKey("/Names");
-    if (names.isArray())
-    {
-        size_t nitems = names.getArrayNItems();
-        size_t i = 0;
-        while (i < nitems - 1)
-        {
-            QPDFObjectHandle name = names.getArrayItem(i);
-            if (name.isString())
-            {
-                ++i;
-                QPDFObjectHandle obj = names.getArrayItem(i);
-                this->m->entriesname.getUTF8Value() = obj;
-            }
-            ++i;
-        }
-    }
-    QPDFObjectHandle kids = oh.getKey("/Kids");
-    if (kids.isArray())
-    {
-        size_t nitems = kids.getArrayNItems();
-        for (size_t i = 0; i < nitems; ++i)
-        {
-            updateMap(kids.getArrayItem(i));
-        }
+    if (impl->valid()) {
+        auto p = *impl;
+        this->ivalue.first = p->first.getUTF8Value();
+        this->ivalue.second = p->second;
+    } else {
+        this->ivalue.first = "";
+        this->ivalue.second = QPDFObjectHandle();
     }
 }
 
+QPDFNameTreeObjectHelper::iterator::reference
+QPDFNameTreeObjectHelper::iterator::operator*()
+{
+    updateIValue();
+    return this->ivalue;
+}
+
+QPDFNameTreeObjectHelper::iterator::pointer
+QPDFNameTreeObjectHelper::iterator::operator->()
+{
+    updateIValue();
+    return &this->ivalue;
+}
+
+bool
+QPDFNameTreeObjectHelper::iterator::operator==(iterator const& other) const
+{
+    return *(impl) == *(other.impl);
+}
+
+void
+QPDFNameTreeObjectHelper::iterator::insertAfter(
+    std::string const& key, QPDFObjectHandle value)
+{
+    impl->insertAfter(QPDFObjectHandle::newUnicodeString(key), value);
+    updateIValue();
+}
+
+void
+QPDFNameTreeObjectHelper::iterator::remove()
+{
+    impl->remove();
+    updateIValue();
+}
+
+QPDFNameTreeObjectHelper::iterator
+QPDFNameTreeObjectHelper::begin() const
+{
+    return iterator(std::make_shared<NNTreeIterator>(this->m->impl->begin()));
+}
+
+QPDFNameTreeObjectHelper::iterator
+QPDFNameTreeObjectHelper::end() const
+{
+    return iterator(std::make_shared<NNTreeIterator>(this->m->impl->end()));
+}
+
+QPDFNameTreeObjectHelper::iterator
+QPDFNameTreeObjectHelper::last() const
+{
+    return iterator(std::make_shared<NNTreeIterator>(this->m->impl->last()));
+}
+
+QPDFNameTreeObjectHelper::iterator
+QPDFNameTreeObjectHelper::find(
+    std::string const& key, bool return_prev_if_not_found)
+{
+    auto i = this->m->impl->find(
+        QPDFObjectHandle::newUnicodeString(key), return_prev_if_not_found);
+    return iterator(std::make_shared<NNTreeIterator>(i));
+}
+
+QPDFNameTreeObjectHelper::iterator
+QPDFNameTreeObjectHelper::insert(std::string const& key, QPDFObjectHandle value)
+{
+    auto i =
+        this->m->impl->insert(QPDFObjectHandle::newUnicodeString(key), value);
+    return iterator(std::make_shared<NNTreeIterator>(i));
+}
+
+bool
+QPDFNameTreeObjectHelper::remove(
+    std::string const& key, QPDFObjectHandle* value)
+{
+    return this->m->impl->remove(
+        QPDFObjectHandle::newUnicodeString(key), value);
+}
+
 bool
 QPDFNameTreeObjectHelper::hasName(std::string const& name)
 {
-    return this->m->entries.count(name) != 0;
+    auto i = find(name);
+    return (i != end());
 }
 
 bool
 QPDFNameTreeObjectHelper::findObject(
     std::string const& name, QPDFObjectHandle& oh)
 {
-    std::map<std::string, QPDFObjectHandle>::iterator i =
-        this->m->entries.find(name);
-    if (i == this->m->entries.end())
-    {
+    auto i = find(name);
+    if (i == end()) {
         return false;
     }
-    oh = (*i).second;
+    oh = i->second;
     return true;
 }
 
+void
+QPDFNameTreeObjectHelper::setSplitThreshold(int t)
+{
+    this->m->impl->setSplitThreshold(t);
+}
+
 std::map<std::string, QPDFObjectHandle>
 QPDFNameTreeObjectHelper::getAsMap() const
 {
-    return this->m->entries;
+    std::map<std::string, QPDFObjectHandle> result;
+    result.insert(begin(), end());
+    return result;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFNumberTreeObjectHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFNumberTreeObjectHelper.cc Changed

@@ -1,121 +1,245 @@
 #include <qpdf/QPDFNumberTreeObjectHelper.hh>
 
-QPDFNumberTreeObjectHelper::Members::~Members()
+#include <qpdf/NNTree.hh>
+#include <qpdf/QIntC.hh>
+
+namespace
 {
+    class NumberTreeDetails: public NNTreeDetails
+    {
+      public:
+        virtual std::string const&
+        itemsKey() const override
+        {
+            static std::string k("/Nums");
+            return k;
+        }
+        virtual bool
+        keyValid(QPDFObjectHandle oh) const override
+        {
+            return oh.isInteger();
+        }
+        virtual int
+        compareKeys(QPDFObjectHandle a, QPDFObjectHandle b) const override
+        {
+            if (!(keyValid(a) && keyValid(b))) {
+                // We don't call this without calling keyValid first
+                throw std::logic_error("comparing invalid keys");
+            }
+            auto as = a.getIntValue();
+            auto bs = b.getIntValue();
+            return ((as < bs) ? -1 : (as > bs) ? 1 : 0);
+        }
+    };
+} // namespace
+
+static NumberTreeDetails number_tree_details;
+
+QPDFNumberTreeObjectHelper::~QPDFNumberTreeObjectHelper()
+{
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer. For this specific class, see github issue
+    // #745.
 }
 
-QPDFNumberTreeObjectHelper::Members::Members()
+QPDFNumberTreeObjectHelper::Members::Members(
+    QPDFObjectHandle& oh, QPDF& q, bool auto_repair) :
+    impl(std::make_shared<NNTreeImpl>(number_tree_details, q, oh, auto_repair))
 {
 }
 
-QPDFNumberTreeObjectHelper::QPDFNumberTreeObjectHelper(QPDFObjectHandle oh) :
+QPDFNumberTreeObjectHelper::QPDFNumberTreeObjectHelper(
+    QPDFObjectHandle oh, QPDF& q, bool auto_repair) :
     QPDFObjectHelper(oh),
-    m(new Members())
+    m(new Members(oh, q, auto_repair))
+{
+}
+
+QPDFNumberTreeObjectHelper
+QPDFNumberTreeObjectHelper::newEmpty(QPDF& qpdf, bool auto_repair)
+{
+    return QPDFNumberTreeObjectHelper(
+        qpdf.makeIndirectObject("<< /Nums  >>"_qpdf), qpdf, auto_repair);
+}
+
+QPDFNumberTreeObjectHelper::iterator::iterator(
+    std::shared_ptr<NNTreeIterator> const& i) :
+    impl(i)
+{
+}
+
+bool
+QPDFNumberTreeObjectHelper::iterator::valid() const
+{
+    return impl->valid();
+}
+
+QPDFNumberTreeObjectHelper::iterator&
+QPDFNumberTreeObjectHelper::iterator::operator++()
 {
-    updateMap(oh);
+    ++(*impl);
+    updateIValue();
+    return *this;
+}
+
+QPDFNumberTreeObjectHelper::iterator&
+QPDFNumberTreeObjectHelper::iterator::operator--()
+{
+    --(*impl);
+    updateIValue();
+    return *this;
 }
 
 void
-QPDFNumberTreeObjectHelper::updateMap(QPDFObjectHandle oh)
+QPDFNumberTreeObjectHelper::iterator::updateIValue()
 {
-    if (this->m->seen.count(oh.getObjGen()))
-    {
-        return;
-    }
-    this->m->seen.insert(oh.getObjGen());
-    QPDFObjectHandle nums = oh.getKey("/Nums");
-    if (nums.isArray())
-    {
-        size_t nitems = nums.getArrayNItems();
-        size_t i = 0;
-        while (i < nitems - 1)
-        {
-            QPDFObjectHandle num = nums.getArrayItem(i);
-            if (num.isInteger())
-            {
-                ++i;
-                QPDFObjectHandle obj = nums.getArrayItem(i);
-                this->m->entriesnum.getIntValue() = obj;
-            }
-            ++i;
-        }
-    }
-    QPDFObjectHandle kids = oh.getKey("/Kids");
-    if (kids.isArray())
-    {
-        size_t nitems = kids.getArrayNItems();
-        for (size_t i = 0; i < nitems; ++i)
-        {
-            updateMap(kids.getArrayItem(i));
-        }
+    if (impl->valid()) {
+        auto p = *impl;
+        this->ivalue.first = p->first.getIntValue();
+        this->ivalue.second = p->second;
+    } else {
+        this->ivalue.first = 0;
+        this->ivalue.second = QPDFObjectHandle();
     }
 }
 
+QPDFNumberTreeObjectHelper::iterator::reference
+QPDFNumberTreeObjectHelper::iterator::operator*()
+{
+    updateIValue();
+    return this->ivalue;
+}
+
+QPDFNumberTreeObjectHelper::iterator::pointer
+QPDFNumberTreeObjectHelper::iterator::operator->()
+{
+    updateIValue();
+    return &this->ivalue;
+}
+
+bool
+QPDFNumberTreeObjectHelper::iterator::operator==(iterator const& other) const
+{
+    return *(impl) == *(other.impl);
+}
+
+void
+QPDFNumberTreeObjectHelper::iterator::insertAfter(
+    numtree_number key, QPDFObjectHandle value)
+{
+    impl->insertAfter(QPDFObjectHandle::newInteger(key), value);
+    updateIValue();
+}
+
+void
+QPDFNumberTreeObjectHelper::iterator::remove()
+{
+    impl->remove();
+    updateIValue();
+}
+
+QPDFNumberTreeObjectHelper::iterator
+QPDFNumberTreeObjectHelper::begin() const
+{
+    return iterator(std::make_shared<NNTreeIterator>(this->m->impl->begin()));
+}
+
+QPDFNumberTreeObjectHelper::iterator
+QPDFNumberTreeObjectHelper::end() const
+{
+    return iterator(std::make_shared<NNTreeIterator>(this->m->impl->end()));
+}
+
+QPDFNumberTreeObjectHelper::iterator
+QPDFNumberTreeObjectHelper::last() const
+{
+    return iterator(std::make_shared<NNTreeIterator>(this->m->impl->last()));
+}
+
+QPDFNumberTreeObjectHelper::iterator
+QPDFNumberTreeObjectHelper::find(
+    numtree_number key, bool return_prev_if_not_found)
+{
+    auto i = this->m->impl->find(
+        QPDFObjectHandle::newInteger(key), return_prev_if_not_found);
+    return iterator(std::make_shared<NNTreeIterator>(i));
+}
+
+QPDFNumberTreeObjectHelper::iterator
+QPDFNumberTreeObjectHelper::insert(numtree_number key, QPDFObjectHandle value)
+{
+    auto i = this->m->impl->insert(QPDFObjectHandle::newInteger(key), value);
+    return iterator(std::make_shared<NNTreeIterator>(i));
+}
+
+bool
+QPDFNumberTreeObjectHelper::remove(numtree_number key, QPDFObjectHandle* value)
+{
+    return this->m->impl->remove(QPDFObjectHandle::newInteger(key), value);
+}
 
 QPDFNumberTreeObjectHelper::numtree_number
 QPDFNumberTreeObjectHelper::getMin()
 {
-    if (this->m->entries.empty())
-    {
+    auto i = begin();
+    if (i == end()) {
         return 0;
     }
-    // Our map is sorted in reverse.
-    return this->m->entries.rbegin()->first;
+    return i->first;
 }
 
 QPDFNumberTreeObjectHelper::numtree_number
 QPDFNumberTreeObjectHelper::getMax()
 {
-    if (this->m->entries.empty())
-    {
+    auto i = last();
+    if (i == end()) {
         return 0;
     }
-    // Our map is sorted in reverse.
-    return this->m->entries.begin()->first;
+    return i->first;
 }
 
 bool
 QPDFNumberTreeObjectHelper::hasIndex(numtree_number idx)
 {
-    return this->m->entries.count(idx) != 0;
+    auto i = find(idx);
+    return (i != this->end());
 }
 
 bool
-QPDFNumberTreeObjectHelper::findObject(
-    numtree_number idx, QPDFObjectHandle& oh)
+QPDFNumberTreeObjectHelper::findObject(numtree_number idx, QPDFObjectHandle& oh)
 {
-    Members::idx_map::iterator i = this->m->entries.find(idx);
-    if (i == this->m->entries.end())
-    {
+    auto i = find(idx);
+    if (i == end()) {
         return false;
     }
-    oh = (*i).second;
+    oh = i->second;
     return true;
 }
 
 bool
 QPDFNumberTreeObjectHelper::findObjectAtOrBelow(
-    numtree_number idx, QPDFObjectHandle& oh,
-    numtree_number& offset)
+    numtree_number idx, QPDFObjectHandle& oh, numtree_number& offset)
 {
-    Members::idx_map::iterator i = this->m->entries.lower_bound(idx);
-    if (i == this->m->entries.end())
-    {
+    auto i = find(idx, true);
+    if (i == end()) {
         return false;
     }
-    oh = (*i).second;
-    offset = idx - (*i).first;
+    oh = i->second;
+    QIntC::range_check_substract(idx, i->first);
+    offset = idx - i->first;
     return true;
 }
 
+void
+QPDFNumberTreeObjectHelper::setSplitThreshold(int t)
+{
+    this->m->impl->setSplitThreshold(t);
+}
+
 std::map<QPDFNumberTreeObjectHelper::numtree_number, QPDFObjectHandle>
 QPDFNumberTreeObjectHelper::getAsMap() const
 {
     std::map<numtree_number, QPDFObjectHandle> result;
-    for (Members::idx_map::const_iterator iter = this->m->entries.begin();
-         iter != this->m->entries.end(); ++iter)
-    {
-        result(*iter).first = (*iter).second;
-    }
+    result.insert(begin(), end());
     return result;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFObjGen.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFObjGen.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFObject.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFObject.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFObjectHandle.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFObjectHandle.cc Changed

@@ -1,67 +1,132 @@
 #include <qpdf/QPDFObjectHandle.hh>
 
+#include <qpdf/BufferInputSource.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_QPDFTokenizer.hh>
 #include <qpdf/QPDF.hh>
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QPDFMatrix.hh>
+#include <qpdf/QPDFObject_private.hh>
+#include <qpdf/QPDFPageObjectHelper.hh>
+#include <qpdf/QPDFParser.hh>
+#include <qpdf/QPDF_Array.hh>
 #include <qpdf/QPDF_Bool.hh>
-#include <qpdf/QPDF_Null.hh>
+#include <qpdf/QPDF_Dictionary.hh>
+#include <qpdf/QPDF_InlineImage.hh>
 #include <qpdf/QPDF_Integer.hh>
-#include <qpdf/QPDF_Real.hh>
 #include <qpdf/QPDF_Name.hh>
-#include <qpdf/QPDF_String.hh>
+#include <qpdf/QPDF_Null.hh>
 #include <qpdf/QPDF_Operator.hh>
-#include <qpdf/QPDF_InlineImage.hh>
-#include <qpdf/QPDF_Array.hh>
-#include <qpdf/QPDF_Dictionary.hh>
-#include <qpdf/QPDF_Stream.hh>
+#include <qpdf/QPDF_Real.hh>
 #include <qpdf/QPDF_Reserved.hh>
-#include <qpdf/Pl_Buffer.hh>
-#include <qpdf/Pl_Concatenate.hh>
-#include <qpdf/Pl_QPDFTokenizer.hh>
-#include <qpdf/BufferInputSource.hh>
-#include <qpdf/QPDFExc.hh>
-#include <qpdf/QPDFPageObjectHelper.hh>
+#include <qpdf/QPDF_Stream.hh>
+#include <qpdf/QPDF_String.hh>
+#include <qpdf/QPDF_Unresolved.hh>
+#include <qpdf/SparseOHArray.hh>
 
+#include <qpdf/QIntC.hh>
 #include <qpdf/QTC.hh>
 #include <qpdf/QUtil.hh>
 
+#include <algorithm>
+#include <cstring>
+#include <ctype.h>
+#include <limits.h>
 #include <stdexcept>
 #include <stdlib.h>
-#include <ctype.h>
 
-class TerminateParsing
+namespace
 {
-};
+    class TerminateParsing
+    {
+    };
+} // namespace
 
-class CoalesceProvider: public QPDFObjectHandle::StreamDataProvider
+QPDFObjectHandle::StreamDataProvider::StreamDataProvider(bool supports_retry) :
+    supports_retry(supports_retry)
 {
-  public:
-    CoalesceProvider(QPDFObjectHandle containing_page,
-                     QPDFObjectHandle old_contents) :
-        containing_page(containing_page),
-        old_contents(old_contents)
-    {
-    }
-    virtual ~CoalesceProvider()
+}
+
+QPDFObjectHandle::StreamDataProvider::~StreamDataProvider()
+{
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+}
+
+void
+QPDFObjectHandle::StreamDataProvider::provideStreamData(
+    QPDFObjGen const& og, Pipeline* pipeline)
+{
+    return provideStreamData(og.getObj(), og.getGen(), pipeline);
+}
+
+bool
+QPDFObjectHandle::StreamDataProvider::provideStreamData(
+    QPDFObjGen const& og,
+    Pipeline* pipeline,
+    bool suppress_warnings,
+    bool will_retry)
+{
+    return provideStreamData(
+        og.getObj(), og.getGen(), pipeline, suppress_warnings, will_retry);
+}
+
+void
+QPDFObjectHandle::StreamDataProvider::provideStreamData(
+    int objid, int generation, Pipeline* pipeline)
+{
+    throw std::logic_error(
+        "you must override provideStreamData -- see QPDFObjectHandle.hh");
+}
+
+bool
+QPDFObjectHandle::StreamDataProvider::provideStreamData(
+    int objid,
+    int generation,
+    Pipeline* pipeline,
+    bool suppress_warnings,
+    bool will_retry)
+{
+    throw std::logic_error(
+        "you must override provideStreamData -- see QPDFObjectHandle.hh");
+    return false;
+}
+
+bool
+QPDFObjectHandle::StreamDataProvider::supportsRetry()
+{
+    return this->supports_retry;
+}
+
+namespace
+{
+    class CoalesceProvider: public QPDFObjectHandle::StreamDataProvider
     {
-    }
-    virtual void provideStreamData(int objid, int generation,
-                                   Pipeline* pipeline);
+      public:
+        CoalesceProvider(
+            QPDFObjectHandle containing_page, QPDFObjectHandle old_contents) :
+            containing_page(containing_page),
+            old_contents(old_contents)
+        {
+        }
+        virtual ~CoalesceProvider() = default;
+        virtual void provideStreamData(QPDFObjGen const&, Pipeline* pipeline);
 
-  private:
-    QPDFObjectHandle containing_page;
-    QPDFObjectHandle old_contents;
-};
+      private:
+        QPDFObjectHandle containing_page;
+        QPDFObjectHandle old_contents;
+    };
+} // namespace
 
 void
-CoalesceProvider::provideStreamData(int, int, Pipeline* p)
+CoalesceProvider::provideStreamData(QPDFObjGen const&, Pipeline* p)
 {
     QTC::TC("qpdf", "QPDFObjectHandle coalesce provide stream data");
-    Pl_Concatenate concat("concatenate", p);
-    std::string description = "page object " +
-        QUtil::int_to_string(containing_page.getObjectID()) + " " +
-        QUtil::int_to_string(containing_page.getGeneration());
+    std::string description =
+        "page object " + containing_page.getObjGen().unparse(' ');
     std::string all_description;
-    old_contents.pipeContentStreams(&concat, description, all_description);
-    concat.manualFinish();
+    old_contents.pipeContentStreams(p, description, all_description);
 }
 
 void
@@ -78,13 +143,11 @@
 void
 QPDFObjectHandle::TokenFilter::write(char const* data, size_t len)
 {
-    if (! this->pipeline)
-    {
+    if (!this->pipeline) {
         return;
     }
-    if (len)
-    {
-	this->pipeline->write(QUtil::unsigned_char_pointer(data), len);
+    if (len) {
+        this->pipeline->write(data, len);
     }
 }
 
@@ -102,177 +165,226 @@
 }
 
 void
+QPDFObjectHandle::ParserCallbacks::handleObject(QPDFObjectHandle)
+{
+    throw std::logic_error("You must override one of the"
+                           " handleObject methods in ParserCallbacks");
+}
+
+void
+QPDFObjectHandle::ParserCallbacks::handleObject(
+    QPDFObjectHandle oh, size_t, size_t)
+{
+    // This version of handleObject was added in qpdf 9. If the
+    // developer did not override it, fall back to the older
+    // interface.
+    handleObject(oh);
+}
+
+void
+QPDFObjectHandle::ParserCallbacks::contentSize(size_t)
+{
+    // Ignore by default; overriding this is optional.
+}
+
+void
 QPDFObjectHandle::ParserCallbacks::terminateParsing()
 {
     throw TerminateParsing();
 }
 
-QPDFObjectHandle::Members::~Members()
+namespace
+{
+    class LastChar: public Pipeline
+    {
+      public:
+        LastChar(Pipeline* next);
+        virtual ~LastChar() = default;
+        virtual void write(unsigned char const* data, size_t len);
+        virtual void finish();
+        unsigned char getLastChar();
+
+      private:
+        unsigned char last_char;
+    };
+} // namespace
+
+LastChar::LastChar(Pipeline* next) :
+    Pipeline("lastchar", next),
+    last_char(0)
 {
 }
 
-QPDFObjectHandle::Members::Members() :
-    initialized(false),
-    qpdf(0),
-    objid(0),
-    generation(0),
-    reserved(false)
+void
+LastChar::write(unsigned char const* data, size_t len)
 {
+    if (len > 0) {
+        this->last_char = datalen - 1;
+    }
+    getNext()->write(data, len);
 }
 
-QPDFObjectHandle::Members::Members(QPDF* qpdf, int objid, int generation) :
-    initialized(true),
-    qpdf(qpdf),
-    objid(objid),
-    generation(generation),
-    reserved(false)
+void
+LastChar::finish()
 {
+    getNext()->finish();
 }
 
-QPDFObjectHandle::Members::Members(QPDFObject* data) :
-    initialized(true),
-    qpdf(0),
-    objid(0),
-    generation(0),
-    obj(data),
-    reserved(false)
+unsigned char
+LastChar::getLastChar()
 {
+    return this->last_char;
 }
 
+bool
+QPDFObjectHandle::isSameObjectAs(QPDFObjectHandle const& rhs) const
+{
+    return this->obj == rhs.obj;
+}
 
-QPDFObjectHandle::QPDFObjectHandle() :
-    m(new Members)
+void
+QPDFObjectHandle::disconnect()
 {
+    // Recursively remove association with any QPDF object. This
+    // method may only be called during final destruction.
+    // QPDF::~QPDF() calls it for indirect objects using the object
+    // pointer itself, so we don't do that here. Other objects call it
+    // through this method.
+    if (!isIndirect()) {
+        this->obj->disconnect();
+    }
 }
 
-QPDFObjectHandle::QPDFObjectHandle(QPDFObjectHandle const& rhs) :
-    m(new Members)
+qpdf_object_type_e
+QPDFObjectHandle::getTypeCode()
 {
-    *m = *rhs.m;
+    return dereference() ? this->obj->getTypeCode() : ::ot_uninitialized;
 }
 
-QPDFObjectHandle&
-QPDFObjectHandle::operator=(QPDFObjectHandle const& rhs)
+char const*
+QPDFObjectHandle::getTypeName()
 {
-    if (this != &rhs)
-    {
-        *m = *rhs.m;
-    }
-    return *this;
+    return dereference() ? this->obj->getTypeName() : "uninitialized";
 }
 
-QPDFObjectHandle::QPDFObjectHandle(QPDF* qpdf, int objid, int generation) :
-    m(new Members(qpdf, objid, generation))
+QPDF_Array*
+QPDFObjectHandle::asArray()
 {
+    return dereference() ? obj->as<QPDF_Array>() : nullptr;
 }
 
-QPDFObjectHandle::QPDFObjectHandle(QPDFObject* data) :
-    m(new Members(data))
+QPDF_Bool*
+QPDFObjectHandle::asBool()
 {
+    return dereference() ? obj->as<QPDF_Bool>() : nullptr;
 }
 
-void
-QPDFObjectHandle::releaseResolved()
+QPDF_Dictionary*
+QPDFObjectHandle::asDictionary()
 {
-    // Recursively break any resolved references to indirect objects.
-    // Do not cross over indirect object boundaries to avoid an
-    // infinite loop.  This method may only be called during final
-    // destruction.  See comments in QPDF::~QPDF().
-    if (isIndirect())
-    {
-	if (this->m->obj.getPointer())
-	{
-	    this->m->obj = 0;
-	}
-    }
-    else
-    {
-	QPDFObject::ObjAccessor::releaseResolved(this->m->obj.getPointer());
-    }
+    return dereference() ? obj->as<QPDF_Dictionary>() : nullptr;
 }
 
-void
-QPDFObjectHandle::setObjectDescriptionFromInput(
-    QPDFObjectHandle object, QPDF* context,
-    std::string const& description, PointerHolder<InputSource> input,
-    qpdf_offset_t offset)
+QPDF_InlineImage*
+QPDFObjectHandle::asInlineImage()
 {
-    object.setObjectDescription(
-        context,
-        input->getName() + ", " + description +
-        " at offset " + QUtil::int_to_string(offset));
+    return dereference() ? obj->as<QPDF_InlineImage>() : nullptr;
 }
 
-bool
-QPDFObjectHandle::isInitialized() const
+QPDF_Integer*
+QPDFObjectHandle::asInteger()
 {
-    return this->m->initialized;
+    return dereference() ? obj->as<QPDF_Integer>() : nullptr;
 }
 
-QPDFObject::object_type_e
-QPDFObjectHandle::getTypeCode()
+QPDF_Name*
+QPDFObjectHandle::asName()
 {
-    if (this->m->initialized)
-    {
-        dereference();
-        return this->m->obj->getTypeCode();
-    }
-    else
-    {
-        return QPDFObject::ot_uninitialized;
-    }
+    return dereference() ? obj->as<QPDF_Name>() : nullptr;
 }
 
-char const*
-QPDFObjectHandle::getTypeName()
+QPDF_Null*
+QPDFObjectHandle::asNull()
 {
-    if (this->m->initialized)
-    {
-        dereference();
-        return this->m->obj->getTypeName();
-    }
-    else
-    {
-        return "uninitialized";
-    }
+    return dereference() ? obj->as<QPDF_Null>() : nullptr;
 }
 
-template <class T>
-class QPDFObjectTypeAccessor
+QPDF_Operator*
+QPDFObjectHandle::asOperator()
 {
-  public:
-    static bool check(QPDFObject* o)
-    {
-	return (o && dynamic_cast<T*>(o));
-    }
-};
+    return dereference() ? obj->as<QPDF_Operator>() : nullptr;
+}
+
+QPDF_Real*
+QPDFObjectHandle::asReal()
+{
+    return dereference() ? obj->as<QPDF_Real>() : nullptr;
+}
+
+QPDF_Reserved*
+QPDFObjectHandle::asReserved()
+{
+    return dereference() ? obj->as<QPDF_Reserved>() : nullptr;
+}
+
+QPDF_Stream*
+QPDFObjectHandle::asStream()
+{
+    return dereference() ? obj->as<QPDF_Stream>() : nullptr;
+}
+
+QPDF_Stream*
+QPDFObjectHandle::asStreamWithAssert()
+{
+    auto stream = asStream();
+    assertType("stream", stream);
+    return stream;
+}
+
+QPDF_String*
+QPDFObjectHandle::asString()
+{
+    return dereference() ? obj->as<QPDF_String>() : nullptr;
+}
+
+bool
+QPDFObjectHandle::isDestroyed()
+{
+    return dereference() && (obj->getTypeCode() == ::ot_destroyed);
+}
 
 bool
 QPDFObjectHandle::isBool()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Bool>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_boolean);
+}
+
+bool
+QPDFObjectHandle::isDirectNull() const
+{
+    // Don't call dereference() -- this is a const method, and we know
+    // objid == 0, so there's nothing to resolve.
+    return (
+        isInitialized() && (getObjectID() == 0) &&
+        (obj->getTypeCode() == ::ot_null));
 }
 
 bool
 QPDFObjectHandle::isNull()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Null>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_null);
 }
 
 bool
 QPDFObjectHandle::isInteger()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Integer>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_integer);
 }
 
 bool
 QPDFObjectHandle::isReal()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Real>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_real);
 }
 
 bool
@@ -285,16 +397,11 @@
 QPDFObjectHandle::getNumericValue()
 {
     double result = 0.0;
-    if (isInteger())
-    {
-	result = static_cast<double>(getIntValue());
-    }
-    else if (isReal())
-    {
-	result = atof(getRealValue().c_str());
-    }
-    else
-    {
+    if (isInteger()) {
+        result = static_cast<double>(getIntValue());
+    } else if (isReal()) {
+        result = atof(getRealValue().c_str());
+    } else {
         typeWarning("number", "returning 0");
         QTC::TC("qpdf", "QPDFObjectHandle numeric non-numeric");
     }
@@ -302,74 +409,91 @@
 }
 
 bool
+QPDFObjectHandle::getValueAsNumber(double& value)
+{
+    if (!isNumber()) {
+        return false;
+    }
+    value = getNumericValue();
+    return true;
+}
+
+bool
 QPDFObjectHandle::isName()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Name>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_name);
 }
 
 bool
 QPDFObjectHandle::isString()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_String>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_string);
 }
 
 bool
 QPDFObjectHandle::isOperator()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Operator>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_operator);
 }
 
 bool
 QPDFObjectHandle::isInlineImage()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_InlineImage>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_inlineimage);
 }
 
 bool
 QPDFObjectHandle::isArray()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Array>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_array);
 }
 
 bool
 QPDFObjectHandle::isDictionary()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Dictionary>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_dictionary);
 }
 
 bool
 QPDFObjectHandle::isStream()
 {
-    dereference();
-    return QPDFObjectTypeAccessor<QPDF_Stream>::check(m->obj.getPointer());
+    return dereference() && (obj->getTypeCode() == ::ot_stream);
 }
 
 bool
 QPDFObjectHandle::isReserved()
 {
-    // dereference will clear reserved if this has been replaced
-    dereference();
-    return this->m->reserved;
+    return dereference() && (obj->getTypeCode() == ::ot_reserved);
 }
 
 bool
-QPDFObjectHandle::isIndirect()
+QPDFObjectHandle::isScalar()
 {
-    assertInitialized();
-    return (this->m->objid != 0);
+    return (
+        !(isArray() || isDictionary() || isStream() || isOperator() ||
+          isInlineImage()));
 }
 
 bool
-QPDFObjectHandle::isScalar()
+QPDFObjectHandle::isNameAndEquals(std::string const& name)
+{
+    return isName() && (getName() == name);
+}
+
+bool
+QPDFObjectHandle::isDictionaryOfType(
+    std::string const& type, std::string const& subtype)
 {
-    return (! (isArray() || isDictionary() || isStream() ||
-               isOperator() || isInlineImage()));
+    return isDictionary() &&
+        (type.empty() || getKey("/Type").isNameAndEquals(type)) &&
+        (subtype.empty() || getKey("/Subtype").isNameAndEquals(subtype));
+}
+
+bool
+QPDFObjectHandle::isStreamOfType(
+    std::string const& type, std::string const& subtype)
+{
+    return isStream() && getDict().isDictionaryOfType(type, subtype);
 }
 
 // Bool accessors
@@ -377,144 +501,307 @@
 bool
 QPDFObjectHandle::getBoolValue()
 {
-    if (isBool())
-    {
-        return dynamic_cast<QPDF_Bool*>(m->obj.getPointer())->getVal();
-    }
-    else
-    {
+    auto boolean = asBool();
+    if (boolean) {
+        return boolean->getVal();
+    } else {
         typeWarning("boolean", "returning false");
         QTC::TC("qpdf", "QPDFObjectHandle boolean returning false");
         return false;
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsBool(bool& value)
+{
+    auto boolean = asBool();
+    if (boolean == nullptr) {
+        return false;
+    }
+    value = boolean->getVal();
+    return true;
+}
+
 // Integer accessors
 
 long long
 QPDFObjectHandle::getIntValue()
 {
-    if (isInteger())
-    {
-        return dynamic_cast<QPDF_Integer*>(m->obj.getPointer())->getVal();
-    }
-    else
-    {
+    auto integer = asInteger();
+    if (integer) {
+        return integer->getVal();
+    } else {
         typeWarning("integer", "returning 0");
         QTC::TC("qpdf", "QPDFObjectHandle integer returning 0");
         return 0;
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsInt(long long& value)
+{
+    auto integer = asInteger();
+    if (integer == nullptr) {
+        return false;
+    }
+    value = integer->getVal();
+    return true;
+}
+
+int
+QPDFObjectHandle::getIntValueAsInt()
+{
+    int result = 0;
+    long long v = getIntValue();
+    if (v < INT_MIN) {
+        QTC::TC("qpdf", "QPDFObjectHandle int returning INT_MIN");
+        warnIfPossible(
+            "requested value of integer is too small; returning INT_MIN");
+        result = INT_MIN;
+    } else if (v > INT_MAX) {
+        QTC::TC("qpdf", "QPDFObjectHandle int returning INT_MAX");
+        warnIfPossible(
+            "requested value of integer is too big; returning INT_MAX");
+        result = INT_MAX;
+    } else {
+        result = static_cast<int>(v);
+    }
+    return result;
+}
+
+bool
+QPDFObjectHandle::getValueAsInt(int& value)
+{
+    if (!isInteger()) {
+        return false;
+    }
+    value = getIntValueAsInt();
+    return true;
+}
+
+unsigned long long
+QPDFObjectHandle::getUIntValue()
+{
+    unsigned long long result = 0;
+    long long v = getIntValue();
+    if (v < 0) {
+        QTC::TC("qpdf", "QPDFObjectHandle uint returning 0");
+        warnIfPossible(
+            "unsigned value request for negative number; returning 0");
+    } else {
+        result = static_cast<unsigned long long>(v);
+    }
+    return result;
+}
+
+bool
+QPDFObjectHandle::getValueAsUInt(unsigned long long& value)
+{
+    if (!isInteger()) {
+        return false;
+    }
+    value = getUIntValue();
+    return true;
+}
+
+unsigned int
+QPDFObjectHandle::getUIntValueAsUInt()
+{
+    unsigned int result = 0;
+    long long v = getIntValue();
+    if (v < 0) {
+        QTC::TC("qpdf", "QPDFObjectHandle uint uint returning 0");
+        warnIfPossible(
+            "unsigned integer value request for negative number; returning 0");
+        result = 0;
+    } else if (v > UINT_MAX) {
+        QTC::TC("qpdf", "QPDFObjectHandle uint returning UINT_MAX");
+        warnIfPossible("requested value of unsigned integer is too big;"
+                       " returning UINT_MAX");
+        result = UINT_MAX;
+    } else {
+        result = static_cast<unsigned int>(v);
+    }
+    return result;
+}
+
+bool
+QPDFObjectHandle::getValueAsUInt(unsigned int& value)
+{
+    if (!isInteger()) {
+        return false;
+    }
+    value = getUIntValueAsUInt();
+    return true;
+}
+
 // Real accessors
 
 std::string
 QPDFObjectHandle::getRealValue()
 {
-    if (isReal())
-    {
-        return dynamic_cast<QPDF_Real*>(m->obj.getPointer())->getVal();
-    }
-    else
-    {
+    auto real = asReal();
+    if (real) {
+        return real->getVal();
+    } else {
         typeWarning("real", "returning 0.0");
         QTC::TC("qpdf", "QPDFObjectHandle real returning 0.0");
         return "0.0";
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsReal(std::string& value)
+{
+    auto real = asReal();
+    if (real == nullptr) {
+        return false;
+    }
+    value = real->getVal();
+    return true;
+}
+
 // Name accessors
 
 std::string
 QPDFObjectHandle::getName()
 {
-    if (isName())
-    {
-        return dynamic_cast<QPDF_Name*>(m->obj.getPointer())->getName();
-    }
-    else
-    {
+    auto name = asName();
+    if (name) {
+        return name->getName();
+    } else {
         typeWarning("name", "returning dummy name");
         QTC::TC("qpdf", "QPDFObjectHandle name returning dummy name");
         return "/QPDFFakeName";
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsName(std::string& value)
+{
+    auto name = asName();
+    if (name == nullptr) {
+        return false;
+    }
+    value = name->getName();
+    return true;
+}
+
 // String accessors
 
 std::string
 QPDFObjectHandle::getStringValue()
 {
-    if (isString())
-    {
-        return dynamic_cast<QPDF_String*>(m->obj.getPointer())->getVal();
-    }
-    else
-    {
+    auto str = asString();
+    if (str) {
+        return str->getVal();
+    } else {
         typeWarning("string", "returning empty string");
         QTC::TC("qpdf", "QPDFObjectHandle string returning empty string");
         return "";
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsString(std::string& value)
+{
+    auto str = asString();
+    if (str == nullptr) {
+        return false;
+    }
+    value = str->getVal();
+    return true;
+}
+
 std::string
 QPDFObjectHandle::getUTF8Value()
 {
-    if (isString())
-    {
-        return dynamic_cast<QPDF_String*>(m->obj.getPointer())->getUTF8Val();
-    }
-    else
-    {
+    auto str = asString();
+    if (str) {
+        return str->getUTF8Val();
+    } else {
         typeWarning("string", "returning empty string");
         QTC::TC("qpdf", "QPDFObjectHandle string returning empty utf8");
         return "";
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsUTF8(std::string& value)
+{
+    auto str = asString();
+    if (str == nullptr) {
+        return false;
+    }
+    value = str->getUTF8Val();
+    return true;
+}
+
 // Operator and Inline Image accessors
 
 std::string
 QPDFObjectHandle::getOperatorValue()
 {
-    if (isOperator())
-    {
-        return dynamic_cast<QPDF_Operator*>(m->obj.getPointer())->getVal();
-    }
-    else
-    {
+    auto op = asOperator();
+    if (op) {
+        return op->getVal();
+    } else {
         typeWarning("operator", "returning fake value");
         QTC::TC("qpdf", "QPDFObjectHandle operator returning fake value");
         return "QPDFFAKE";
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsOperator(std::string& value)
+{
+    auto op = asOperator();
+    if (op == nullptr) {
+        return false;
+    }
+    value = op->getVal();
+    return true;
+}
+
 std::string
 QPDFObjectHandle::getInlineImageValue()
 {
-    if (isInlineImage())
-    {
-        return dynamic_cast<QPDF_InlineImage*>(m->obj.getPointer())->getVal();
-    }
-    else
-    {
+    auto image = asInlineImage();
+    if (image) {
+        return image->getVal();
+    } else {
         typeWarning("inlineimage", "returning empty data");
         QTC::TC("qpdf", "QPDFObjectHandle inlineimage returning empty data");
         return "";
     }
 }
 
+bool
+QPDFObjectHandle::getValueAsInlineImage(std::string& value)
+{
+    auto image = asInlineImage();
+    if (image == nullptr) {
+        return false;
+    }
+    value = image->getVal();
+    return true;
+}
+
 // Array accessors
 
+QPDFObjectHandle::QPDFArrayItems
+QPDFObjectHandle::aitems()
+{
+    return QPDFArrayItems(*this);
+}
+
 int
 QPDFObjectHandle::getArrayNItems()
 {
-    if (isArray())
-    {
-        return dynamic_cast<QPDF_Array*>(m->obj.getPointer())->getNItems();
-    }
-    else
-    {
+    auto array = asArray();
+    if (array) {
+        return array->getNItems();
+    } else {
         typeWarning("array", "treating as empty");
         QTC::TC("qpdf", "QPDFObjectHandle array treating as empty");
         return 0;
@@ -525,31 +812,24 @@
 QPDFObjectHandle::getArrayItem(int n)
 {
     QPDFObjectHandle result;
-    if (isArray() && (n < getArrayNItems()) && (n >= 0))
-    {
-        result = dynamic_cast<QPDF_Array*>(m->obj.getPointer())->getItem(n);
-    }
-    else
-    {
+    auto array = asArray();
+    if (array && (n < array->getNItems()) && (n >= 0)) {
+        result = array->getItem(n);
+    } else {
         result = newNull();
-        if (isArray())
-        {
+        if (array) {
             objectWarning("returning null for out of bounds array access");
             QTC::TC("qpdf", "QPDFObjectHandle array bounds");
-        }
-        else
-        {
+        } else {
             typeWarning("array", "returning null");
             QTC::TC("qpdf", "QPDFObjectHandle array null for non-array");
         }
-        QPDF* context = 0;
+        QPDF* context = nullptr;
         std::string description;
-        if (this->m->obj->getDescription(context, description))
-        {
+        if (obj->getDescription(context, description)) {
             result.setObjectDescription(
                 context,
-                description +
-                " -> null returned from invalid array access");
+                description + " -> null returned from invalid array access");
         }
     }
     return result;
@@ -558,18 +838,12 @@
 bool
 QPDFObjectHandle::isRectangle()
 {
-    if (! isArray())
-    {
-        return false;
-    }
-    if (getArrayNItems() != 4)
-    {
+    auto array = asArray();
+    if ((array == nullptr) || (array->getNItems() != 4)) {
         return false;
     }
-    for (size_t i = 0; i < 4; ++i)
-    {
-        if (! getArrayItem(i).isNumber())
-        {
+    for (int i = 0; i < 4; ++i) {
+        if (!array->getItem(i).isNumber()) {
             return false;
         }
     }
@@ -579,18 +853,12 @@
 bool
 QPDFObjectHandle::isMatrix()
 {
-    if (! isArray())
-    {
-        return false;
-    }
-    if (getArrayNItems() != 6)
-    {
+    auto array = asArray();
+    if ((array == nullptr) || (array->getNItems() != 6)) {
         return false;
     }
-    for (size_t i = 0; i < 6; ++i)
-    {
-        if (! getArrayItem(i).isNumber())
-        {
+    for (int i = 0; i < 6; ++i) {
+        if (!array->getItem(i).isNumber()) {
             return false;
         }
     }
@@ -601,12 +869,20 @@
 QPDFObjectHandle::getArrayAsRectangle()
 {
     Rectangle result;
-    if (isRectangle())
-    {
-        result = Rectangle(getArrayItem(0).getNumericValue(),
-                           getArrayItem(1).getNumericValue(),
-                           getArrayItem(2).getNumericValue(),
-                           getArrayItem(3).getNumericValue());
+    if (isRectangle()) {
+        auto array = asArray();
+        // Rectangle coordinates are always supposed to be llx, lly,
+        // urx, ury, but files have been found in the wild where
+        // llx > urx or lly > ury.
+        double i0 = array->getItem(0).getNumericValue();
+        double i1 = array->getItem(1).getNumericValue();
+        double i2 = array->getItem(2).getNumericValue();
+        double i3 = array->getItem(3).getNumericValue();
+        result = Rectangle(
+            std::min(i0, i2),
+            std::min(i1, i3),
+            std::max(i0, i2),
+            std::max(i1, i3));
     }
     return result;
 }
@@ -615,14 +891,15 @@
 QPDFObjectHandle::getArrayAsMatrix()
 {
     Matrix result;
-    if (isMatrix())
-    {
-        result = Matrix(getArrayItem(0).getNumericValue(),
-                        getArrayItem(1).getNumericValue(),
-                        getArrayItem(2).getNumericValue(),
-                        getArrayItem(3).getNumericValue(),
-                        getArrayItem(4).getNumericValue(),
-                        getArrayItem(5).getNumericValue());
+    if (isMatrix()) {
+        auto array = asArray();
+        result = Matrix(
+            array->getItem(0).getNumericValue(),
+            array->getItem(1).getNumericValue(),
+            array->getItem(2).getNumericValue(),
+            array->getItem(3).getNumericValue(),
+            array->getItem(4).getNumericValue(),
+            array->getItem(5).getNumericValue());
     }
     return result;
 }
@@ -631,12 +908,10 @@
 QPDFObjectHandle::getArrayAsVector()
 {
     std::vector<QPDFObjectHandle> result;
-    if (isArray())
-    {
-        result = dynamic_cast<QPDF_Array*>(m->obj.getPointer())->getAsVector();
-    }
-    else
-    {
+    auto array = asArray();
+    if (array) {
+        array->getAsVector(result);
+    } else {
         typeWarning("array", "treating as empty");
         QTC::TC("qpdf", "QPDFObjectHandle array treating as empty vector");
     }
@@ -648,12 +923,11 @@
 void
 QPDFObjectHandle::setArrayItem(int n, QPDFObjectHandle const& item)
 {
-    if (isArray())
-    {
-        dynamic_cast<QPDF_Array*>(m->obj.getPointer())->setItem(n, item);
-    }
-    else
-    {
+    auto array = asArray();
+    if (array) {
+        checkOwnership(item);
+        array->setItem(n, item);
+    } else {
         typeWarning("array", "ignoring attempt to set item");
         QTC::TC("qpdf", "QPDFObjectHandle array ignoring set item");
     }
@@ -662,12 +936,13 @@
 void
 QPDFObjectHandle::setArrayFromVector(std::vector<QPDFObjectHandle> const& items)
 {
-    if (isArray())
-    {
-        dynamic_cast<QPDF_Array*>(m->obj.getPointer())->setFromVector(items);
-    }
-    else
-    {
+    auto array = asArray();
+    if (array) {
+        for (auto const& item: items) {
+            checkOwnership(item);
+        }
+        array->setFromVector(items);
+    } else {
         typeWarning("array", "ignoring attempt to replace items");
         QTC::TC("qpdf", "QPDFObjectHandle array ignoring replace items");
     }
@@ -676,66 +951,88 @@
 void
 QPDFObjectHandle::insertItem(int at, QPDFObjectHandle const& item)
 {
-    if (isArray())
-    {
-        dynamic_cast<QPDF_Array*>(m->obj.getPointer())->insertItem(at, item);
-    }
-    else
-    {
+    auto array = asArray();
+    if (array) {
+        array->insertItem(at, item);
+    } else {
         typeWarning("array", "ignoring attempt to insert item");
         QTC::TC("qpdf", "QPDFObjectHandle array ignoring insert item");
     }
 }
 
+QPDFObjectHandle
+QPDFObjectHandle::insertItemAndGetNew(int at, QPDFObjectHandle const& item)
+{
+    insertItem(at, item);
+    return item;
+}
+
 void
 QPDFObjectHandle::appendItem(QPDFObjectHandle const& item)
 {
-    if (isArray())
-    {
-        dynamic_cast<QPDF_Array*>(m->obj.getPointer())->appendItem(item);
-    }
-    else
-    {
+    auto array = asArray();
+    if (array) {
+        checkOwnership(item);
+        array->appendItem(item);
+    } else {
         typeWarning("array", "ignoring attempt to append item");
         QTC::TC("qpdf", "QPDFObjectHandle array ignoring append item");
     }
 }
 
+QPDFObjectHandle
+QPDFObjectHandle::appendItemAndGetNew(QPDFObjectHandle const& item)
+{
+    appendItem(item);
+    return item;
+}
+
 void
 QPDFObjectHandle::eraseItem(int at)
 {
-    if (isArray() && (at < getArrayNItems()) && (at >= 0))
-    {
-        dynamic_cast<QPDF_Array*>(m->obj.getPointer())->eraseItem(at);
-    }
-    else
-    {
-        if (isArray())
-        {
+    auto array = asArray();
+    if (array && (at < array->getNItems()) && (at >= 0)) {
+        array->eraseItem(at);
+    } else {
+        if (array) {
             objectWarning("ignoring attempt to erase out of bounds array item");
             QTC::TC("qpdf", "QPDFObjectHandle erase array bounds");
-        }
-        else
-        {
+        } else {
             typeWarning("array", "ignoring attempt to erase item");
             QTC::TC("qpdf", "QPDFObjectHandle array ignoring erase item");
         }
     }
 }
 
+QPDFObjectHandle
+QPDFObjectHandle::eraseItemAndGetOld(int at)
+{
+    auto result = QPDFObjectHandle::newNull();
+    auto array = asArray();
+    if (array && (at < array->getNItems()) && (at >= 0)) {
+        result = array->getItem(at);
+    }
+    eraseItem(at);
+    return result;
+}
+
 // Dictionary accessors
 
+QPDFObjectHandle::QPDFDictItems
+QPDFObjectHandle::ditems()
+{
+    return QPDFDictItems(*this);
+}
+
 bool
 QPDFObjectHandle::hasKey(std::string const& key)
 {
-    if (isDictionary())
-    {
-        return dynamic_cast<QPDF_Dictionary*>(m->obj.getPointer())->hasKey(key);
-    }
-    else
-    {
-        typeWarning("dictionary",
-                    "returning false for a key containment request");
+    auto dict = asDictionary();
+    if (dict) {
+        return dict->hasKey(key);
+    } else {
+        typeWarning(
+            "dictionary", "returning false for a key containment request");
         QTC::TC("qpdf", "QPDFObjectHandle dictionary false for hasKey");
         return false;
     }
@@ -745,41 +1042,39 @@
 QPDFObjectHandle::getKey(std::string const& key)
 {
     QPDFObjectHandle result;
-    if (isDictionary())
-    {
-        result = dynamic_cast<QPDF_Dictionary*>(
-            m->obj.getPointer())->getKey(key);
-    }
-    else
-    {
-        typeWarning(
-            "dictionary", "returning null for attempted key retrieval");
+    auto dict = asDictionary();
+    if (dict) {
+        result = dict->getKey(key);
+    } else {
+        typeWarning("dictionary", "returning null for attempted key retrieval");
         QTC::TC("qpdf", "QPDFObjectHandle dictionary null for getKey");
         result = newNull();
-        QPDF* qpdf = 0;
+        QPDF* qpdf = nullptr;
         std::string description;
-        if (this->m->obj->getDescription(qpdf, description))
-        {
+        if (obj->getDescription(qpdf, description)) {
             result.setObjectDescription(
                 qpdf,
-                description +
-                " -> null returned from getting key " +
-                key + " from non-Dictionary");
+                (description + " -> null returned from getting key " + key +
+                 " from non-Dictionary"));
         }
     }
     return result;
 }
 
+QPDFObjectHandle
+QPDFObjectHandle::getKeyIfDict(std::string const& key)
+{
+    return isNull() ? newNull() : getKey(key);
+}
+
 std::set<std::string>
 QPDFObjectHandle::getKeys()
 {
     std::set<std::string> result;
-    if (isDictionary())
-    {
-        result = dynamic_cast<QPDF_Dictionary*>(m->obj.getPointer())->getKeys();
-    }
-    else
-    {
+    auto dict = asDictionary();
+    if (dict) {
+        result = dict->getKeys();
+    } else {
         typeWarning("dictionary", "treating as empty");
         QTC::TC("qpdf", "QPDFObjectHandle dictionary empty set for getKeys");
     }
@@ -790,13 +1085,10 @@
 QPDFObjectHandle::getDictAsMap()
 {
     std::map<std::string, QPDFObjectHandle> result;
-    if (isDictionary())
-    {
-        result = dynamic_cast<QPDF_Dictionary*>(
-            m->obj.getPointer())->getAsMap();
-    }
-    else
-    {
+    auto dict = asDictionary();
+    if (dict) {
+        result = dict->getAsMap();
+    } else {
         typeWarning("dictionary", "treating as empty");
         QTC::TC("qpdf", "QPDFObjectHandle dictionary empty map for asMap");
     }
@@ -807,98 +1099,133 @@
 bool
 QPDFObjectHandle::isOrHasName(std::string const& value)
 {
-    if (isName() && (getName() == value))
-    {
-	return true;
-    }
-    else if (isArray())
-    {
-	int n = getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
-	    QPDFObjectHandle item = getArrayItem(0);
-	    if (item.isName() && (item.getName() == value))
-	    {
-		return true;
-	    }
-	}
+    if (isNameAndEquals(value)) {
+        return true;
+    } else if (isArray()) {
+        for (auto& item: aitems()) {
+            if (item.isNameAndEquals(value)) {
+                return true;
+            }
+        }
     }
     return false;
 }
 
 void
-QPDFObjectHandle::mergeResources(QPDFObjectHandle other)
+QPDFObjectHandle::makeResourcesIndirect(QPDF& owning_qpdf)
 {
-    if (! (isDictionary() && other.isDictionary()))
-    {
+    if (!isDictionary()) {
+        return;
+    }
+    for (auto const& i1: ditems()) {
+        QPDFObjectHandle sub = i1.second;
+        if (!sub.isDictionary()) {
+            continue;
+        }
+        for (auto i2: sub.ditems()) {
+            std::string const& key = i2.first;
+            QPDFObjectHandle val = i2.second;
+            if (!val.isIndirect()) {
+                sub.replaceKey(key, owning_qpdf.makeIndirectObject(val));
+            }
+        }
+    }
+}
+
+void
+QPDFObjectHandle::mergeResources(
+    QPDFObjectHandle other,
+    std::map<std::string, std::map<std::string, std::string>>* conflicts)
+{
+    if (!(isDictionary() && other.isDictionary())) {
         QTC::TC("qpdf", "QPDFObjectHandle merge top type mismatch");
         return;
     }
-    std::set<std::string> other_keys = other.getKeys();
-    for (std::set<std::string>::iterator iter = other_keys.begin();
-         iter != other_keys.end(); ++iter)
-    {
-        std::string const& key = *iter;
-        QPDFObjectHandle other_val = other.getKey(key);
-        if (hasKey(key))
-        {
-            QPDFObjectHandle this_val = getKey(key);
-            if (this_val.isDictionary() && other_val.isDictionary())
-            {
-                if (this_val.isIndirect())
-                {
+
+    auto make_og_to_name = (QPDFObjectHandle& dict,
+                              std::map<QPDFObjGen, std::string>& og_to_name) {
+        for (auto i: dict.ditems()) {
+            if (i.second.isIndirect()) {
+                og_to_namei.second.getObjGen() = i.first;
+            }
+        }
+    };
+
+    // This algorithm is described in comments in QPDFObjectHandle.hh
+    // above the declaration of mergeResources.
+    for (auto o_top: other.ditems()) {
+        std::string const& rtype = o_top.first;
+        QPDFObjectHandle other_val = o_top.second;
+        if (hasKey(rtype)) {
+            QPDFObjectHandle this_val = getKey(rtype);
+            if (this_val.isDictionary() && other_val.isDictionary()) {
+                if (this_val.isIndirect()) {
+                    // Do this even if there are no keys. Various
+                    // places in the code call mergeResources with
+                    // resource dictionaries that contain empty
+                    // subdictionaries just to get this shallow copy
+                    // functionality.
                     QTC::TC("qpdf", "QPDFObjectHandle replace with copy");
-                    this_val = this_val.shallowCopy();
-                    replaceKey(key, this_val);
+                    this_val =
+                        replaceKeyAndGetNew(rtype, this_val.shallowCopy());
                 }
-                std::set<std::string> other_val_keys = other_val.getKeys();
-                for (std::set<std::string>::iterator i2 =
-                         other_val_keys.begin();
-                     i2 != other_val_keys.end(); ++i2)
-                {
-                    if (! this_val.hasKey(*i2))
-                    {
-                        QTC::TC("qpdf", "QPDFObjectHandle merge shallow copy");
-                        this_val.replaceKey(
-                            *i2, other_val.getKey(*i2).shallowCopy());
+                std::map<QPDFObjGen, std::string> og_to_name;
+                std::set<std::string> rnames;
+                int min_suffix = 1;
+                bool initialized_maps = false;
+                for (auto ov_iter: other_val.ditems()) {
+                    std::string const& key = ov_iter.first;
+                    QPDFObjectHandle rval = ov_iter.second;
+                    if (!this_val.hasKey(key)) {
+                        if (!rval.isIndirect()) {
+                            QTC::TC(
+                                "qpdf", "QPDFObjectHandle merge shallow copy");
+                            rval = rval.shallowCopy();
+                        }
+                        this_val.replaceKey(key, rval);
+                    } else if (conflicts) {
+                        if (!initialized_maps) {
+                            make_og_to_name(this_val, og_to_name);
+                            rnames = this_val.getResourceNames();
+                            initialized_maps = true;
+                        }
+                        auto rval_og = rval.getObjGen();
+                        if (rval.isIndirect() && og_to_name.count(rval_og)) {
+                            QTC::TC("qpdf", "QPDFObjectHandle merge reuse");
+                            auto new_key = og_to_namerval_og;
+                            if (new_key != key) {
+                                (*conflicts)rtypekey = new_key;
+                            }
+                        } else {
+                            QTC::TC("qpdf", "QPDFObjectHandle merge generate");
+                            std::string new_key = getUniqueResourceName(
+                                key + "_", min_suffix, &rnames);
+                            (*conflicts)rtypekey = new_key;
+                            this_val.replaceKey(new_key, rval);
+                        }
                     }
                 }
-            }
-            else if (this_val.isArray() && other_val.isArray())
-            {
+            } else if (this_val.isArray() && other_val.isArray()) {
                 std::set<std::string> scalars;
-                int n = this_val.getArrayNItems();
-                for (int i = 0; i < n; ++i)
-                {
-                    QPDFObjectHandle this_item = this_val.getArrayItem(i);
-                    if (this_item.isScalar())
-                    {
+                for (auto this_item: this_val.aitems()) {
+                    if (this_item.isScalar()) {
                         scalars.insert(this_item.unparse());
                     }
                 }
-                n = other_val.getArrayNItems();
-                for (int i = 0; i < n; ++i)
-                {
-                    QPDFObjectHandle other_item = other_val.getArrayItem(i);
-                    if (other_item.isScalar())
-                    {
-                        if (scalars.count(other_item.unparse()) == 0)
-                        {
+                for (auto other_item: other_val.aitems()) {
+                    if (other_item.isScalar()) {
+                        if (scalars.count(other_item.unparse()) == 0) {
                             QTC::TC("qpdf", "QPDFObjectHandle merge array");
                             this_val.appendItem(other_item);
-                        }
-                        else
-                        {
+                        } else {
                             QTC::TC("qpdf", "QPDFObjectHandle merge array dup");
                         }
                     }
                 }
             }
-        }
-        else
-        {
+        } else {
             QTC::TC("qpdf", "QPDFObjectHandle merge copy from other");
-            replaceKey(key, other_val.shallowCopy());
+            replaceKey(rtype, other_val.shallowCopy());
         }
     }
 }
@@ -908,23 +1235,14 @@
 {
     // Return second-level dictionary keys
     std::set<std::string> result;
-    if (! isDictionary())
-    {
+    if (!isDictionary()) {
         return result;
     }
-    std::set<std::string> keys = getKeys();
-    for (std::set<std::string>::iterator iter = keys.begin();
-         iter != keys.end(); ++iter)
-    {
-        std::string const& key = *iter;
+    for (auto const& key: getKeys()) {
         QPDFObjectHandle val = getKey(key);
-        if (val.isDictionary())
-        {
-            std::set<std::string> val_keys = val.getKeys();
-            for (std::set<std::string>::iterator i2 = val_keys.begin();
-                 i2 != val_keys.end(); ++i2)
-            {
-                result.insert(*i2);
+        if (val.isDictionary()) {
+            for (auto const& val_key: val.getKeys()) {
+                result.insert(val_key);
             }
         }
     }
@@ -932,16 +1250,15 @@
 }
 
 std::string
-QPDFObjectHandle::getUniqueResourceName(std::string const& prefix,
-                                        int& min_suffix)
+QPDFObjectHandle::getUniqueResourceName(
+    std::string const& prefix, int& min_suffix, std::set<std::string>* namesp)
+
 {
-    std::set<std::string> names = getResourceNames();
-    int max_suffix = min_suffix + names.size();
-    while (min_suffix <= max_suffix)
-    {
+    std::set<std::string> names = (namesp ? *namesp : getResourceNames());
+    int max_suffix = min_suffix + QIntC::to_int(names.size());
+    while (min_suffix <= max_suffix) {
         std::string candidate = prefix + QUtil::int_to_string(min_suffix);
-        if (names.count(candidate) == 0)
-        {
+        if (names.count(candidate) == 0) {
             return candidate;
         }
         // Increment after return; min_suffix should be the value
@@ -955,125 +1272,162 @@
                            " QPDFObjectHandle::getUniqueResourceName");
 }
 
-// Indirect object accessors
-QPDF*
-QPDFObjectHandle::getOwningQPDF()
-{
-    // Will be null for direct objects
-    return this->m->qpdf;
-}
-
 // Dictionary mutators
 
 void
-QPDFObjectHandle::replaceKey(std::string const& key,
-			    QPDFObjectHandle value)
-{
-    if (isDictionary())
-    {
-        dynamic_cast<QPDF_Dictionary*>(
-            m->obj.getPointer())->replaceKey(key, value);
-    }
-    else
-    {
+QPDFObjectHandle::replaceKey(
+    std::string const& key, QPDFObjectHandle const& value)
+{
+    auto dict = asDictionary();
+    if (dict) {
+        checkOwnership(value);
+        dict->replaceKey(key, value);
+    } else {
         typeWarning("dictionary", "ignoring key replacement request");
         QTC::TC("qpdf", "QPDFObjectHandle dictionary ignoring replaceKey");
     }
 }
 
+QPDFObjectHandle
+QPDFObjectHandle::replaceKeyAndGetNew(
+    std::string const& key, QPDFObjectHandle const& value)
+{
+    replaceKey(key, value);
+    return value;
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::replaceKeyAndGetOld(
+    std::string const& key, QPDFObjectHandle const& value)
+{
+    QPDFObjectHandle old = removeKeyAndGetOld(key);
+    replaceKey(key, value);
+    return old;
+}
+
 void
 QPDFObjectHandle::removeKey(std::string const& key)
 {
-    if (isDictionary())
-    {
-        dynamic_cast<QPDF_Dictionary*>(m->obj.getPointer())->removeKey(key);
-    }
-    else
-    {
+    auto dict = asDictionary();
+    if (dict) {
+        dict->removeKey(key);
+    } else {
         typeWarning("dictionary", "ignoring key removal request");
         QTC::TC("qpdf", "QPDFObjectHandle dictionary ignoring removeKey");
     }
 }
 
-void
-QPDFObjectHandle::replaceOrRemoveKey(std::string const& key,
-				     QPDFObjectHandle value)
+QPDFObjectHandle
+QPDFObjectHandle::removeKeyAndGetOld(std::string const& key)
 {
-    if (isDictionary())
-    {
-        dynamic_cast<QPDF_Dictionary*>(
-            m->obj.getPointer())->replaceOrRemoveKey(key, value);
-    }
-    else
-    {
-        typeWarning("dictionary", "ignoring key removal/replacement request");
-        QTC::TC("qpdf", "QPDFObjectHandle dictionary ignoring removereplace");
+    auto result = QPDFObjectHandle::newNull();
+    auto dict = asDictionary();
+    if (dict) {
+        result = dict->getKey(key);
     }
+    removeKey(key);
+    return result;
+}
+
+void
+QPDFObjectHandle::replaceOrRemoveKey(
+    std::string const& key, QPDFObjectHandle const& value)
+{
+    replaceKey(key, value);
 }
 
 // Stream accessors
 QPDFObjectHandle
 QPDFObjectHandle::getDict()
 {
-    assertStream();
-    return dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->getDict();
+    return asStreamWithAssert()->getDict();
+}
+
+void
+QPDFObjectHandle::setFilterOnWrite(bool val)
+{
+    asStreamWithAssert()->setFilterOnWrite(val);
+}
+
+bool
+QPDFObjectHandle::getFilterOnWrite()
+{
+    return asStreamWithAssert()->getFilterOnWrite();
 }
 
 bool
 QPDFObjectHandle::isDataModified()
 {
-    assertStream();
-    return dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->isDataModified();
+    return asStreamWithAssert()->isDataModified();
 }
 
 void
-QPDFObjectHandle::replaceDict(QPDFObjectHandle new_dict)
+QPDFObjectHandle::replaceDict(QPDFObjectHandle const& new_dict)
 {
-    assertStream();
-    dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->replaceDict(new_dict);
+    asStreamWithAssert()->replaceDict(new_dict);
 }
 
-PointerHolder<Buffer>
+std::shared_ptr<Buffer>
 QPDFObjectHandle::getStreamData(qpdf_stream_decode_level_e level)
 {
-    assertStream();
-    return dynamic_cast<QPDF_Stream*>(
-        m->obj.getPointer())->getStreamData(level);
+    return asStreamWithAssert()->getStreamData(level);
 }
 
-PointerHolder<Buffer>
+std::shared_ptr<Buffer>
 QPDFObjectHandle::getRawStreamData()
 {
-    assertStream();
-    return dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->getRawStreamData();
+    return asStreamWithAssert()->getRawStreamData();
 }
 
 bool
-QPDFObjectHandle::pipeStreamData(Pipeline* p,
-                                 unsigned long encode_flags,
-                                 qpdf_stream_decode_level_e decode_level,
-                                 bool suppress_warnings, bool will_retry)
-{
-    assertStream();
-    return dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->pipeStreamData(
-	p, encode_flags, decode_level, suppress_warnings, will_retry);
+QPDFObjectHandle::pipeStreamData(
+    Pipeline* p,
+    bool* filtering_attempted,
+    int encode_flags,
+    qpdf_stream_decode_level_e decode_level,
+    bool suppress_warnings,
+    bool will_retry)
+{
+    return asStreamWithAssert()->pipeStreamData(
+        p,
+        filtering_attempted,
+        encode_flags,
+        decode_level,
+        suppress_warnings,
+        will_retry);
 }
 
 bool
-QPDFObjectHandle::pipeStreamData(Pipeline* p, bool filter,
-				 bool normalize, bool compress)
+QPDFObjectHandle::pipeStreamData(
+    Pipeline* p,
+    int encode_flags,
+    qpdf_stream_decode_level_e decode_level,
+    bool suppress_warnings,
+    bool will_retry)
+{
+    bool filtering_attempted;
+    asStreamWithAssert()->pipeStreamData(
+        p,
+        &filtering_attempted,
+        encode_flags,
+        decode_level,
+        suppress_warnings,
+        will_retry);
+    return filtering_attempted;
+}
+
+bool
+QPDFObjectHandle::pipeStreamData(
+    Pipeline* p, bool filter, bool normalize, bool compress)
 {
-    unsigned long encode_flags = 0;
+    int encode_flags = 0;
     qpdf_stream_decode_level_e decode_level = qpdf_dl_none;
-    if (filter)
-    {
+    if (filter) {
         decode_level = qpdf_dl_generalized;
-        if (normalize)
-        {
+        if (normalize) {
             encode_flags |= qpdf_ef_normalize;
         }
-        if (compress)
-        {
+        if (compress) {
             encode_flags |= qpdf_ef_compress;
         }
     }
@@ -1081,88 +1435,103 @@
 }
 
 void
-QPDFObjectHandle::replaceStreamData(PointerHolder<Buffer> data,
-				    QPDFObjectHandle const& filter,
-				    QPDFObjectHandle const& decode_parms)
+QPDFObjectHandle::replaceStreamData(
+    std::shared_ptr<Buffer> data,
+    QPDFObjectHandle const& filter,
+    QPDFObjectHandle const& decode_parms)
 {
-    assertStream();
-    dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->replaceStreamData(
-	data, filter, decode_parms);
+    asStreamWithAssert()->replaceStreamData(data, filter, decode_parms);
 }
 
 void
-QPDFObjectHandle::replaceStreamData(std::string const& data,
-				    QPDFObjectHandle const& filter,
-				    QPDFObjectHandle const& decode_parms)
+QPDFObjectHandle::replaceStreamData(
+    std::string const& data,
+    QPDFObjectHandle const& filter,
+    QPDFObjectHandle const& decode_parms)
 {
-    assertStream();
-    PointerHolder<Buffer> b = new Buffer(data.length());
+    auto b = std::make_shared<Buffer>(data.length());
     unsigned char* bp = b->getBuffer();
-    memcpy(bp, data.c_str(), data.length());
-    dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->replaceStreamData(
-	b, filter, decode_parms);
+    if (bp) {
+        memcpy(bp, data.c_str(), data.length());
+    }
+    asStreamWithAssert()->replaceStreamData(b, filter, decode_parms);
 }
 
 void
-QPDFObjectHandle::replaceStreamData(PointerHolder<StreamDataProvider> provider,
-				    QPDFObjectHandle const& filter,
-				    QPDFObjectHandle const& decode_parms)
+QPDFObjectHandle::replaceStreamData(
+    std::shared_ptr<StreamDataProvider> provider,
+    QPDFObjectHandle const& filter,
+    QPDFObjectHandle const& decode_parms)
 {
-    assertStream();
-    dynamic_cast<QPDF_Stream*>(m->obj.getPointer())->replaceStreamData(
-	provider, filter, decode_parms);
+    asStreamWithAssert()->replaceStreamData(provider, filter, decode_parms);
 }
 
-QPDFObjGen
-QPDFObjectHandle::getObjGen() const
+namespace
 {
-    return QPDFObjGen(this->m->objid, this->m->generation);
-}
+    class FunctionProvider: public QPDFObjectHandle::StreamDataProvider
+    {
+      public:
+        FunctionProvider(std::function<void(Pipeline*)> provider) :
+            StreamDataProvider(false),
+            p1(provider),
+            p2(nullptr)
+        {
+        }
+        FunctionProvider(std::function<bool(Pipeline*, bool, bool)> provider) :
+            StreamDataProvider(true),
+            p1(nullptr),
+            p2(provider)
+        {
+        }
 
-int
-QPDFObjectHandle::getObjectID() const
+        virtual void
+        provideStreamData(QPDFObjGen const&, Pipeline* pipeline) override
+        {
+            p1(pipeline);
+        }
+
+        virtual bool
+        provideStreamData(
+            QPDFObjGen const&,
+            Pipeline* pipeline,
+            bool suppress_warnings,
+            bool will_retry) override
+        {
+            return p2(pipeline, suppress_warnings, will_retry);
+        }
+
+      private:
+        std::function<void(Pipeline*)> p1;
+        std::function<bool(Pipeline*, bool, bool)> p2;
+    };
+} // namespace
+
+void
+QPDFObjectHandle::replaceStreamData(
+    std::function<void(Pipeline*)> provider,
+    QPDFObjectHandle const& filter,
+    QPDFObjectHandle const& decode_parms)
 {
-    return this->m->objid;
+    auto sdp =
+        std::shared_ptr<StreamDataProvider>(new FunctionProvider(provider));
+    asStreamWithAssert()->replaceStreamData(sdp, filter, decode_parms);
 }
 
-int
-QPDFObjectHandle::getGeneration() const
+void
+QPDFObjectHandle::replaceStreamData(
+    std::function<bool(Pipeline*, bool, bool)> provider,
+    QPDFObjectHandle const& filter,
+    QPDFObjectHandle const& decode_parms)
 {
-    return this->m->generation;
+    auto sdp =
+        std::shared_ptr<StreamDataProvider>(new FunctionProvider(provider));
+    asStreamWithAssert()->replaceStreamData(sdp, filter, decode_parms);
 }
 
 std::map<std::string, QPDFObjectHandle>
 QPDFObjectHandle::getPageImages()
 {
-    std::map<std::string, QPDFObjectHandle> result;
-    QPDFObjectHandle resources =
-        QPDFPageObjectHelper(*this).getAttribute("/Resources", false);
-    if (resources.isDictionary())
-    {
-	if (resources.hasKey("/XObject"))
-	{
-	    QPDFObjectHandle xobject = resources.getKey("/XObject");
-	    std::set<std::string> keys = xobject.getKeys();
-	    for (std::set<std::string>::iterator iter = keys.begin();
-		 iter != keys.end(); ++iter)
-	    {
-		std::string key = (*iter);
-		QPDFObjectHandle value = xobject.getKey(key);
-		if (value.isStream())
-		{
-		    QPDFObjectHandle dict = value.getDict();
-		    if (dict.hasKey("/Subtype") &&
-			(dict.getKey("/Subtype").getName() == "/Image") &&
-			(! dict.hasKey("/ImageMask")))
-		    {
-			resultkey = value;
-		    }
-		}
-	    }
-	}
-    }
-
-    return result;
+    return QPDFPageObjectHelper(*this).getImages();
 }
 
 std::vector<QPDFObjectHandle>
@@ -1171,56 +1540,48 @@
 {
     all_description = description;
     std::vector<QPDFObjectHandle> result;
-    if (isArray())
-    {
-	int n_items = getArrayNItems();
-	for (int i = 0; i < n_items; ++i)
-	{
-	    QPDFObjectHandle item = getArrayItem(i);
-	    if (item.isStream())
-            {
+    auto array = asArray();
+    if (array) {
+        int n_items = array->getNItems();
+        for (int i = 0; i < n_items; ++i) {
+            QPDFObjectHandle item = array->getItem(i);
+            if (item.isStream()) {
                 result.push_back(item);
-            }
-            else
-	    {
+            } else {
                 QTC::TC("qpdf", "QPDFObjectHandle non-stream in stream array");
-                warn(item.getOwningQPDF(),
-                     QPDFExc(qpdf_e_damaged_pdf, description,
-                             "item index " + QUtil::int_to_string(i) +
-                             " (from 0)", 0,
-                             "ignoring non-stream in an array of streams"));
-	    }
-	}
-    }
-    else if (isStream())
-    {
-	result.push_back(*this);
-    }
-    else if (! isNull())
-    {
-        warn(getOwningQPDF(),
-             QPDFExc(qpdf_e_damaged_pdf, "", description, 0,
-                     " object is supposed to be a stream or an"
-                     " array of streams but is neither"));
+                warn(
+                    item.getOwningQPDF(),
+                    QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        "",
+                        description + ": item index " +
+                            QUtil::int_to_string(i) + " (from 0)",
+                        0,
+                        "ignoring non-stream in an array of streams"));
+            }
+        }
+    } else if (isStream()) {
+        result.push_back(*this);
+    } else if (!isNull()) {
+        warn(
+            getOwningQPDF(),
+            QPDFExc(
+                qpdf_e_damaged_pdf,
+                "",
+                description,
+                0,
+                " object is supposed to be a stream or an"
+                " array of streams but is neither"));
     }
 
     bool first = true;
-    for (std::vector<QPDFObjectHandle>::iterator iter = result.begin();
-         iter != result.end(); ++iter)
-    {
-        QPDFObjectHandle item = *iter;
-        std::string og =
-            QUtil::int_to_string(item.getObjectID()) + " " +
-            QUtil::int_to_string(item.getGeneration());
-        if (first)
-        {
+    for (auto const& item: result) {
+        if (first) {
             first = false;
-        }
-        else
-        {
+        } else {
             all_description += ",";
         }
-        all_description += " stream " + og;
+        all_description += " stream " + item.getObjGen().unparse(' ');
     }
 
     return result;
@@ -1229,12 +1590,10 @@
 std::vector<QPDFObjectHandle>
 QPDFObjectHandle::getPageContents()
 {
-    std::string description = "page object " +
-        QUtil::int_to_string(this->m->objid) + " " +
-        QUtil::int_to_string(this->m->generation);
+    std::string description = "page object " + getObjGen().unparse(' ');
     std::string all_description;
-    return this->getKey("/Contents").arrayOrStreamToStreamArray(
-        description, all_description);
+    return this->getKey("/Contents")
+        .arrayOrStreamToStreamArray(description, all_description);
 }
 
 void
@@ -1242,81 +1601,66 @@
 {
     new_contents.assertStream();
 
-    std::vector<QPDFObjectHandle> orig_contents = getPageContents();
-
     std::vector<QPDFObjectHandle> content_streams;
-    if (first)
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle prepend page contents");
-	content_streams.push_back(new_contents);
+    if (first) {
+        QTC::TC("qpdf", "QPDFObjectHandle prepend page contents");
+        content_streams.push_back(new_contents);
     }
-    for (std::vector<QPDFObjectHandle>::iterator iter = orig_contents.begin();
-	 iter != orig_contents.end(); ++iter)
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle append page contents");
-	content_streams.push_back(*iter);
+    for (auto const& iter: getPageContents()) {
+        QTC::TC("qpdf", "QPDFObjectHandle append page contents");
+        content_streams.push_back(iter);
     }
-    if (! first)
-    {
-	content_streams.push_back(new_contents);
+    if (!first) {
+        content_streams.push_back(new_contents);
     }
 
-    QPDFObjectHandle contents = QPDFObjectHandle::newArray(content_streams);
-    this->replaceKey("/Contents", contents);
+    this->replaceKey("/Contents", newArray(content_streams));
 }
 
 void
 QPDFObjectHandle::rotatePage(int angle, bool relative)
 {
-    if ((angle % 90) != 0)
-    {
-        throw std::runtime_error(
-            "QPDF::rotatePage called with an"
-            " angle that is not a multiple of 90");
+    if ((angle % 90) != 0) {
+        throw std::runtime_error("QPDF::rotatePage called with an"
+                                 " angle that is not a multiple of 90");
     }
     int new_angle = angle;
-    if (relative)
-    {
+    if (relative) {
         int old_angle = 0;
         bool found_rotate = false;
         QPDFObjectHandle cur_obj = *this;
         bool searched_parent = false;
         std::set<QPDFObjGen> visited;
-        while (! found_rotate)
-        {
-            if (visited.count(cur_obj.getObjGen()))
-            {
+        while (!found_rotate) {
+            if (visited.count(cur_obj.getObjGen())) {
                 // Don't get stuck in an infinite loop
                 break;
             }
-            if (! visited.empty())
-            {
+            if (!visited.empty()) {
                 searched_parent = true;
             }
             visited.insert(cur_obj.getObjGen());
-            if (cur_obj.getKey("/Rotate").isInteger())
-            {
+            if (cur_obj.getKey("/Rotate").isInteger()) {
                 found_rotate = true;
-                old_angle = cur_obj.getKey("/Rotate").getIntValue();
-            }
-            else if (cur_obj.getKey("/Parent").isDictionary())
-            {
+                old_angle = cur_obj.getKey("/Rotate").getIntValueAsInt();
+            } else if (cur_obj.getKey("/Parent").isDictionary()) {
                 cur_obj = cur_obj.getKey("/Parent");
-            }
-            else
-            {
+            } else {
                 break;
             }
         }
-        QTC::TC("qpdf", "QPDFObjectHandle found old angle",
-                searched_parent ? 0 : 1);
-        if ((old_angle % 90) != 0)
-        {
+        QTC::TC(
+            "qpdf",
+            "QPDFObjectHandle found old angle",
+            searched_parent ? 0 : 1);
+        if ((old_angle % 90) != 0) {
             old_angle = 0;
         }
         new_angle += old_angle;
     }
     new_angle = (new_angle + 360) % 360;
+    // Make this explicit even with new_angle == 0 since /Rotate can
+    // be inherited.
     replaceKey("/Rotate", QPDFObjectHandle::newInteger(new_angle));
 }
 
@@ -1324,25 +1668,27 @@
 QPDFObjectHandle::coalesceContentStreams()
 {
     QPDFObjectHandle contents = this->getKey("/Contents");
-    if (contents.isStream())
-    {
+    if (contents.isStream()) {
         QTC::TC("qpdf", "QPDFObjectHandle coalesce called on stream");
         return;
+    } else if (!contents.isArray()) {
+        // /Contents is optional for pages, and some very damaged
+        // files may have pages that are invalid in other ways.
+        return;
     }
-    QPDF* qpdf = getOwningQPDF();
-    if (qpdf == 0)
-    {
-        // Should not be possible for a page object to not have an
-        // owning PDF unless it was manually constructed in some
-        // incorrect way.
-        throw std::logic_error("coalesceContentStreams called on object"
-                               " with no associated PDF file");
-    }
-    QPDFObjectHandle new_contents = newStream(qpdf);
+    // Should not be possible for a page object to not have an
+    // owning PDF unless it was manually constructed in some
+    // incorrect way. However, it can happen in a PDF file whose
+    // page structure is direct, which is against spec but still
+    // possible to hand construct, as in fuzz issue 27393.
+    QPDF& qpdf = getQPDF(
+        "coalesceContentStreams called on object  with no associated PDF file");
+
+    QPDFObjectHandle new_contents = newStream(&qpdf);
     this->replaceKey("/Contents", new_contents);
 
-    PointerHolder<StreamDataProvider> provider =
-        new CoalesceProvider(*this, contents);
+    auto provider = std::shared_ptr<StreamDataProvider>(
+        new CoalesceProvider(*this, contents));
     new_contents.replaceStreamData(provider, newNull(), newNull());
 }
 
@@ -1350,14 +1696,10 @@
 QPDFObjectHandle::unparse()
 {
     std::string result;
-    if (this->isIndirect())
-    {
-	result = QUtil::int_to_string(this->m->objid) + " " +
-	    QUtil::int_to_string(this->m->generation) + " R";
-    }
-    else
-    {
-	result = unparseResolved();
+    if (this->isIndirect()) {
+        result = getObjGen().unparse(' ') + " R";
+    } else {
+        result = unparseResolved();
     }
     return result;
 }
@@ -1365,53 +1707,60 @@
 std::string
 QPDFObjectHandle::unparseResolved()
 {
-    if (this->m->reserved)
-    {
+    if (!dereference()) {
         throw std::logic_error(
-            "QPDFObjectHandle: attempting to unparse a reserved object");
+            "attempted to dereference an uninitialized QPDFObjectHandle");
     }
-    dereference();
-    return this->m->obj->unparse();
+    return obj->unparse();
 }
 
 std::string
 QPDFObjectHandle::unparseBinary()
 {
-    if (this->isString())
-    {
-        return dynamic_cast<QPDF_String*>(
-            this->m->obj.getPointer())->unparse(true);
-    }
-    else
-    {
+    auto str = asString();
+    if (str) {
+        return str->unparse(true);
+    } else {
         return unparse();
     }
 }
 
+// Deprecated versionless getJSON to be removed in qpdf 12
 JSON
 QPDFObjectHandle::getJSON(bool dereference_indirect)
 {
-    if ((! dereference_indirect) && this->isIndirect())
-    {
+    return getJSON(1, dereference_indirect);
+}
+
+JSON
+QPDFObjectHandle::getJSON(int json_version, bool dereference_indirect)
+{
+    if ((!dereference_indirect) && isIndirect()) {
         return JSON::makeString(unparse());
+    } else if (!dereference()) {
+        throw std::logic_error(
+            "attempted to dereference an uninitialized QPDFObjectHandle");
+    } else {
+        return obj->getJSON(json_version);
     }
-    else
-    {
-        if (this->m->reserved)
-        {
-            throw std::logic_error(
-                "QPDFObjectHandle: attempting to unparse a reserved object");
-        }
-        dereference();
-        return this->m->obj->getJSON();
-    }
+}
+
+JSON
+QPDFObjectHandle::getStreamJSON(
+    int json_version,
+    qpdf_json_stream_data_e json_data,
+    qpdf_stream_decode_level_e decode_level,
+    Pipeline* p,
+    std::string const& data_filename)
+{
+    return asStreamWithAssert()->getStreamJSON(
+        json_version, json_data, decode_level, p, data_filename);
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::wrapInArray()
 {
-    if (isArray())
-    {
+    if (isArray()) {
         return *this;
     }
     QPDFObjectHandle result = QPDFObjectHandle::newArray();
@@ -1420,25 +1769,34 @@
 }
 
 QPDFObjectHandle
-QPDFObjectHandle::parse(std::string const& object_str,
-                        std::string const& object_description)
+QPDFObjectHandle::parse(
+    std::string const& object_str, std::string const& object_description)
+{
+    return parse(nullptr, object_str, object_description);
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::parse(
+    QPDF* context,
+    std::string const& object_str,
+    std::string const& object_description)
 {
-    PointerHolder<InputSource> input =
-        new BufferInputSource("parsed object", object_str);
+    auto input = std::shared_ptr<InputSource>(
+        new BufferInputSource("parsed object", object_str));
     QPDFTokenizer tokenizer;
     bool empty = false;
     QPDFObjectHandle result =
-        parse(input, object_description, tokenizer, empty, 0, 0);
-    size_t offset = input->tell();
-    while (offset < object_str.length())
-    {
-        if (! isspace(object_str.at(offset)))
-        {
+        parse(input, object_description, tokenizer, empty, nullptr, context);
+    size_t offset = QIntC::to_size(input->tell());
+    while (offset < object_str.length()) {
+        if (!isspace(object_str.at(offset))) {
             QTC::TC("qpdf", "QPDFObjectHandle trailing data in parse");
-            throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                          object_description,
-                          input->getLastOffset(),
-                          "trailing data found parsing object from string");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                input->getName(),
+                object_description,
+                input->getLastOffset(),
+                "trailing data found parsing object from string");
         }
         ++offset;
     }
@@ -1448,12 +1806,10 @@
 void
 QPDFObjectHandle::pipePageContents(Pipeline* p)
 {
-    std::string description = "page object " +
-        QUtil::int_to_string(this->m->objid) + " " +
-        QUtil::int_to_string(this->m->generation);
+    std::string description = "page object " + getObjGen().unparse(' ');
     std::string all_description;
-    this->getKey("/Contents").pipeContentStreams(
-        p, description, all_description);
+    this->getKey("/Contents")
+        .pipeContentStreams(p, description, all_description);
 }
 
 void
@@ -1461,49 +1817,67 @@
     Pipeline* p, std::string const& description, std::string& all_description)
 {
     std::vector<QPDFObjectHandle> streams =
-        arrayOrStreamToStreamArray(
-            description, all_description);
-    for (std::vector<QPDFObjectHandle>::iterator iter = streams.begin();
-         iter != streams.end(); ++iter)
-    {
-        QPDFObjectHandle stream = *iter;
-        std::string og =
-            QUtil::int_to_string(stream.getObjectID()) + " " +
-            QUtil::int_to_string(stream.getGeneration());
-        std::string description = "content stream object " + og;
-        if (! stream.pipeStreamData(p, 0, qpdf_dl_specialized))
-        {
+        arrayOrStreamToStreamArray(description, all_description);
+    bool need_newline = false;
+    Pl_Buffer buf("concatenated content stream buffer");
+    for (auto stream: streams) {
+        if (need_newline) {
+            buf.writeCStr("\n");
+        }
+        LastChar lc(&buf);
+        if (!stream.pipeStreamData(&lc, 0, qpdf_dl_specialized)) {
             QTC::TC("qpdf", "QPDFObjectHandle errors in parsecontent");
-            throw QPDFExc(qpdf_e_damaged_pdf, "content stream",
-                          description, 0,
-                          "errors while decoding content stream");
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                "content stream",
+                "content stream object " + stream.getObjGen().unparse(' '),
+                0,
+                "errors while decoding content stream");
         }
+        lc.finish();
+        need_newline = (lc.getLastChar() != static_cast<unsigned char>('\n'));
+        QTC::TC("qpdf", "QPDFObjectHandle need_newline", need_newline ? 0 : 1);
     }
+    std::unique_ptr<Buffer> b(buf.getBuffer());
+    p->write(b->getBuffer(), b->getSize());
+    p->finish();
 }
 
 void
 QPDFObjectHandle::parsePageContents(ParserCallbacks* callbacks)
 {
-    std::string description = "page object " +
-        QUtil::int_to_string(this->m->objid) + " " +
-        QUtil::int_to_string(this->m->generation);
-    this->getKey("/Contents").parseContentStream_internal(
-        description, callbacks);
+    std::string description = "page object " + getObjGen().unparse(' ');
+    this->getKey("/Contents")
+        .parseContentStream_internal(description, callbacks);
+}
+
+void
+QPDFObjectHandle::parseAsContents(ParserCallbacks* callbacks)
+{
+    std::string description = "object " + getObjGen().unparse(' ');
+    this->parseContentStream_internal(description, callbacks);
 }
 
 void
 QPDFObjectHandle::filterPageContents(TokenFilter* filter, Pipeline* next)
 {
-    std::string description = "token filter for page object " +
-        QUtil::int_to_string(this->m->objid) + " " +
-        QUtil::int_to_string(this->m->generation);
+    auto description =
+        "token filter for page object " + getObjGen().unparse(' ');
     Pl_QPDFTokenizer token_pipeline(description.c_str(), filter, next);
     this->pipePageContents(&token_pipeline);
 }
 
 void
-QPDFObjectHandle::parseContentStream(QPDFObjectHandle stream_or_array,
-                                     ParserCallbacks* callbacks)
+QPDFObjectHandle::filterAsContents(TokenFilter* filter, Pipeline* next)
+{
+    auto description = "token filter for object " + getObjGen().unparse(' ');
+    Pl_QPDFTokenizer token_pipeline(description.c_str(), filter, next);
+    this->pipeStreamData(&token_pipeline, 0, qpdf_dl_specialized);
+}
+
+void
+QPDFObjectHandle::parseContentStream(
+    QPDFObjectHandle stream_or_array, ParserCallbacks* callbacks)
 {
     stream_or_array.parseContentStream_internal(
         "content stream objects", callbacks);
@@ -1511,19 +1885,17 @@
 
 void
 QPDFObjectHandle::parseContentStream_internal(
-    std::string const& description,
-    ParserCallbacks* callbacks)
+    std::string const& description, ParserCallbacks* callbacks)
 {
     Pl_Buffer buf("concatenated stream data buffer");
     std::string all_description;
     pipeContentStreams(&buf, description, all_description);
-    PointerHolder<Buffer> stream_data = buf.getBuffer();
-    try
-    {
-        parseContentStream_data(stream_data, all_description, callbacks);
-    }
-    catch (TerminateParsing&)
-    {
+    auto stream_data = buf.getBufferSharedPointer();
+    callbacks->contentSize(stream_data->getSize());
+    try {
+        parseContentStream_data(
+            stream_data, all_description, callbacks, getOwningQPDF());
+    } catch (TerminateParsing&) {
         return;
     }
     callbacks->handleEOF();
@@ -1531,29 +1903,35 @@
 
 void
 QPDFObjectHandle::parseContentStream_data(
-    PointerHolder<Buffer> stream_data,
+    std::shared_ptr<Buffer> stream_data,
     std::string const& description,
-    ParserCallbacks* callbacks)
+    ParserCallbacks* callbacks,
+    QPDF* context)
 {
-    size_t length = stream_data->getSize();
-    PointerHolder<InputSource> input =
-        new BufferInputSource(description, stream_data.getPointer());
+    size_t stream_length = stream_data->getSize();
+    auto input = std::shared_ptr<InputSource>(
+        new BufferInputSource(description, stream_data.get()));
     QPDFTokenizer tokenizer;
     tokenizer.allowEOF();
     bool empty = false;
-    while (static_cast<size_t>(input->tell()) < length)
-    {
-        QPDFObjectHandle obj =
-            parseInternal(input, "content", tokenizer, empty, 0, 0, true);
-        if (! obj.isInitialized())
-        {
+    while (QIntC::to_size(input->tell()) < stream_length) {
+        // Read a token and seek to the beginning. The offset we get
+        // from this process is the beginning of the next
+        // non-ignorable (space, comment) token. This way, the offset
+        // and don't including ignorable content.
+        tokenizer.readToken(input, "content", true);
+        qpdf_offset_t offset = input->getLastOffset();
+        input->seek(offset, SEEK_SET);
+        auto obj = QPDFParser(input, "content", tokenizer, nullptr, context)
+                       .parse(empty, true);
+        if (!obj.isInitialized()) {
             // EOF
             break;
         }
+        size_t length = QIntC::to_size(input->tell() - offset);
 
-        callbacks->handleObject(obj);
-        if (obj.isOperator() && (obj.getOperatorValue() == "ID"))
-        {
+        callbacks->handleObject(obj, QIntC::to_size(offset), length);
+        if (obj.isOperator() && (obj.getOperatorValue() == "ID")) {
             // Discard next character; it is the space after ID that
             // terminated the token.  Read until end of inline image.
             char ch;
@@ -1561,494 +1939,126 @@
             tokenizer.expectInlineImage(input);
             QPDFTokenizer::Token t =
                 tokenizer.readToken(input, description, true);
-            if (t.getType() == QPDFTokenizer::tt_bad)
-            {
+            offset = input->getLastOffset();
+            length = QIntC::to_size(input->tell() - offset);
+            if (t.getType() == QPDFTokenizer::tt_bad) {
                 QTC::TC("qpdf", "QPDFObjectHandle EOF in inline image");
-                throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                              "stream data", input->tell(),
-                              "EOF found while reading inline image");
-            }
-            else
-            {
-                std::string inline_image = t.getValue();
-                QTC::TC("qpdf", "QPDFObjectHandle inline image token");
-                callbacks->handleObject(
-                    QPDFObjectHandle::newInlineImage(inline_image));
-            }
-        }
-    }
-}
-
-void
-QPDFObjectHandle::addContentTokenFilter(PointerHolder<TokenFilter> filter)
-{
-    coalesceContentStreams();
-    this->getKey("/Contents").addTokenFilter(filter);
-}
-
-void
-QPDFObjectHandle::addTokenFilter(PointerHolder<TokenFilter> filter)
-{
-    assertStream();
-    return dynamic_cast<QPDF_Stream*>(
-        m->obj.getPointer())->addTokenFilter(filter);
-}
-
-QPDFObjectHandle
-QPDFObjectHandle::parse(PointerHolder<InputSource> input,
-                        std::string const& object_description,
-                        QPDFTokenizer& tokenizer, bool& empty,
-                        StringDecrypter* decrypter, QPDF* context)
-{
-    return parseInternal(input, object_description, tokenizer, empty,
-                         decrypter, context, false);
-}
-
-QPDFObjectHandle
-QPDFObjectHandle::parseInternal(PointerHolder<InputSource> input,
-                                std::string const& object_description,
-                                QPDFTokenizer& tokenizer, bool& empty,
-                                StringDecrypter* decrypter, QPDF* context,
-                                bool content_stream)
-{
-    // This method must take care not to resolve any objects. Don't
-    // check the type of any object without first ensuring that it is
-    // a direct object. Otherwise, doing so may have the side effect
-    // of reading the object and changing the file pointer.
-
-    empty = false;
-
-    QPDFObjectHandle object;
-
-    std::vector<std::vector<QPDFObjectHandle> > olist_stack;
-    olist_stack.push_back(std::vector<QPDFObjectHandle>());
-    std::vector<parser_state_e> state_stack;
-    state_stack.push_back(st_top);
-    std::vector<qpdf_offset_t> offset_stack;
-    qpdf_offset_t offset = input->tell();
-    offset_stack.push_back(offset);
-    bool done = false;
-    while (! done)
-    {
-        std::vector<QPDFObjectHandle>& olist = olist_stack.back();
-        parser_state_e state = state_stack.back();
-        offset = offset_stack.back();
-
-	object = QPDFObjectHandle();
-
-	QPDFTokenizer::Token token =
-            tokenizer.readToken(input, object_description, true);
-
-	switch (token.getType())
-	{
-          case QPDFTokenizer::tt_eof:
-            if (! content_stream)
-            {
-                QTC::TC("qpdf", "QPDFObjectHandle eof in parseInternal");
-                warn(context,
-                     QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                             object_description,
-                             input->getLastOffset(),
-                             "unexpected EOF"));
-            }
-            state = st_eof;
-            break;
-
-          case QPDFTokenizer::tt_bad:
-	    QTC::TC("qpdf", "QPDFObjectHandle bad token in parse");
-            warn(context,
-                 QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                         object_description,
-                         input->getLastOffset(),
-                         token.getErrorMessage()));
-            object = newNull();
-	    break;
-
-	  case QPDFTokenizer::tt_brace_open:
-	  case QPDFTokenizer::tt_brace_close:
-	    QTC::TC("qpdf", "QPDFObjectHandle bad brace");
-            warn(context,
-                 QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                         object_description,
-                         input->getLastOffset(),
-                         "treating unexpected brace token as null"));
-            object = newNull();
-	    break;
-
-	  case QPDFTokenizer::tt_array_close:
-	    if (state == st_array)
-	    {
-                state = st_stop;
-	    }
-	    else
-	    {
-		QTC::TC("qpdf", "QPDFObjectHandle bad array close");
-                warn(context,
-                     QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                             object_description,
-                             input->getLastOffset(),
-                             "treating unexpected array close token as null"));
-                object = newNull();
-	    }
-	    break;
-
-	  case QPDFTokenizer::tt_dict_close:
-	    if (state == st_dictionary)
-	    {
-                state = st_stop;
-	    }
-	    else
-	    {
-		QTC::TC("qpdf", "QPDFObjectHandle bad dictionary close");
-                warn(context,
-                     QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                             object_description,
-                             input->getLastOffset(),
-                             "unexpected dictionary close token"));
-                object = newNull();
-	    }
-	    break;
-
-	  case QPDFTokenizer::tt_array_open:
-	  case QPDFTokenizer::tt_dict_open:
-            if (olist_stack.size() > 500)
-            {
-		QTC::TC("qpdf", "QPDFObjectHandle too deep");
-                warn(context,
-                     QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                             object_description,
-                             input->getLastOffset(),
-                             "ignoring excessively deeply nested data structure"));
-                object = newNull();
-                state = st_top;
-            }
-            else
-            {
-                olist_stack.push_back(std::vector<QPDFObjectHandle>());
-                state = st_start;
-                offset_stack.push_back(input->tell());
-                state_stack.push_back(
-                    (token.getType() == QPDFTokenizer::tt_array_open) ?
-                    st_array : st_dictionary);
-            }
-	    break;
-
-	  case QPDFTokenizer::tt_bool:
-	    object = newBool((token.getValue() == "true"));
-	    break;
-
-	  case QPDFTokenizer::tt_null:
-	    object = newNull();
-	    break;
-
-	  case QPDFTokenizer::tt_integer:
-	    object = newInteger(QUtil::string_to_ll(token.getValue().c_str()));
-	    break;
-
-	  case QPDFTokenizer::tt_real:
-	    object = newReal(token.getValue());
-	    break;
-
-	  case QPDFTokenizer::tt_name:
-	    object = newName(token.getValue());
-	    break;
-
-	  case QPDFTokenizer::tt_word:
-	    {
-		std::string const& value = token.getValue();
-                if (content_stream)
-                {
-                    object = QPDFObjectHandle::newOperator(value);
-                }
-		else if ((value == "R") && (state != st_top) &&
-                         (olist.size() >= 2) &&
-                         (! olist.at(olist.size() - 1).isIndirect()) &&
-                         (olist.at(olist.size() - 1).isInteger()) &&
-                         (! olist.at(olist.size() - 2).isIndirect()) &&
-                         (olist.at(olist.size() - 2).isInteger()))
-		{
-                    if (context == 0)
-                    {
-                        QTC::TC("qpdf", "QPDFObjectHandle indirect without context");
-                        throw std::logic_error(
-                            "QPDFObjectHandle::parse called without context"
-                            " on an object with indirect references");
-                    }
-		    // Try to resolve indirect objects
-		    object = newIndirect(
-			context,
-			olist.at(olist.size() - 2).getIntValue(),
-			olist.at(olist.size() - 1).getIntValue());
-		    olist.pop_back();
-		    olist.pop_back();
-		}
-		else if ((value == "endobj") && (state == st_top))
-		{
-		    // We just saw endobj without having read
-		    // anything.  Treat this as a null and do not move
-		    // the input source's offset.
-		    object = newNull();
-		    input->seek(input->getLastOffset(), SEEK_SET);
-                    empty = true;
-		}
-		else
-		{
-                    QTC::TC("qpdf", "QPDFObjectHandle treat word as string");
-                    warn(context,
-                         QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                                 object_description,
-                                 input->getLastOffset(),
-                                 "unknown token while reading object;"
-                                 " treating as string"));
-                    object = newString(value);
-		}
-	    }
-	    break;
-
-	  case QPDFTokenizer::tt_string:
-	    {
-		std::string val = token.getValue();
-                if (decrypter)
-                {
-                    decrypter->decryptString(val);
-                }
-		object = QPDFObjectHandle::newString(val);
-	    }
-
-	    break;
-
-	  default:
-            warn(context,
-                 QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                         object_description,
-                         input->getLastOffset(),
-                         "treating unknown token type as null while "
-                         "reading object"));
-            object = newNull();
-	    break;
-	}
-
-        if ((! object.isInitialized()) &&
-            (! ((state == st_start) ||
-                (state == st_stop) ||
-                (state == st_eof))))
-        {
-            throw std::logic_error(
-                "QPDFObjectHandle::parseInternal: "
-                "unexpected uninitialized object");
-            object = newNull();
-        }
-
-        switch (state)
-        {
-          case st_eof:
-            if (state_stack.size() > 1)
-            {
-                warn(context,
-                     QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                             object_description,
-                             input->getLastOffset(),
-                             "parse error while reading object"));
-            }
-            done = true;
-            // In content stream mode, leave object uninitialized to
-            // indicate EOF
-            if (! content_stream)
-            {
-                object = newNull();
-            }
-            break;
-
-          case st_dictionary:
-          case st_array:
-            setObjectDescriptionFromInput(
-                object, context, object_description, input,
-                input->getLastOffset());
-            olist.push_back(object);
-            break;
-
-          case st_top:
-            done = true;
-            break;
-
-          case st_start:
-            break;
-
-          case st_stop:
-            if ((state_stack.size() < 2) || (olist_stack.size() < 2))
-            {
-                throw std::logic_error(
-                    "QPDFObjectHandle::parseInternal: st_stop encountered"
-                    " with insufficient elements in stack");
-            }
-            parser_state_e old_state = state_stack.back();
-            state_stack.pop_back();
-            if (old_state == st_array)
-            {
-                object = newArray(olist);
-                setObjectDescriptionFromInput(
-                    object, context, object_description, input, offset);
-            }
-            else if (old_state == st_dictionary)
-            {
-                // Convert list to map. Alternating elements are keys.
-                // Attempt to recover more or less gracefully from
-                // invalid dictionaries.
-                std::set<std::string> names;
-                for (std::vector<QPDFObjectHandle>::iterator iter =
-                         olist.begin();
-                     iter != olist.end(); ++iter)
-                {
-                    if ((! (*iter).isIndirect()) && (*iter).isName())
-                    {
-                        names.insert((*iter).getName());
-                    }
-                }
-
-                std::map<std::string, QPDFObjectHandle> dict;
-                int next_fake_key = 1;
-                for (unsigned int i = 0; i < olist.size(); ++i)
-                {
-                    QPDFObjectHandle key_obj = olist.at(i);
-                    QPDFObjectHandle val;
-                    if (key_obj.isIndirect() || (! key_obj.isName()))
-                    {
-                        bool found_fake = false;
-                        std::string candidate;
-                        while (! found_fake)
-                        {
-                            candidate =
-                                "/QPDFFake" +
-                                QUtil::int_to_string(next_fake_key++);
-                            found_fake = (names.count(candidate) == 0);
-                            QTC::TC("qpdf", "QPDFObjectHandle found fake",
-                                    (found_fake ? 0 : 1));
-                        }
-                        warn(context,
-                             QPDFExc(
-                                 qpdf_e_damaged_pdf,
-                                 input->getName(), object_description, offset,
-                                 "expected dictionary key but found"
-                                 " non-name object; inserting key " +
-                                 candidate));
-                        val = key_obj;
-                        key_obj = newName(candidate);
-                    }
-                    else if (i + 1 >= olist.size())
-                    {
-                        QTC::TC("qpdf", "QPDFObjectHandle no val for last key");
-                        warn(context,
-                             QPDFExc(
-                                 qpdf_e_damaged_pdf,
-                                 input->getName(), object_description, offset,
-                                 "dictionary ended prematurely; "
-                                 "using null as value for last key"));
-                        val = newNull();
-                        setObjectDescriptionFromInput(
-                            val, context, object_description, input, offset);
-                    }
-                    else
-                    {
-                        val = olist.at(++i);
-                    }
-                    dictkey_obj.getName() = val;
-                }
-                object = newDictionary(dict);
-                setObjectDescriptionFromInput(
-                    object, context, object_description, input, offset);
-            }
-            olist_stack.pop_back();
-            offset_stack.pop_back();
-            if (state_stack.back() == st_top)
-            {
-                done = true;
-            }
-            else
-            {
-                olist_stack.back().push_back(object);
+                warn(
+                    context,
+                    QPDFExc(
+                        qpdf_e_damaged_pdf,
+                        input->getName(),
+                        "stream data",
+                        input->tell(),
+                        "EOF found while reading inline image"));
+            } else {
+                std::string inline_image = t.getValue();
+                QTC::TC("qpdf", "QPDFObjectHandle inline image token");
+                callbacks->handleObject(
+                    QPDFObjectHandle::newInlineImage(inline_image),
+                    QIntC::to_size(offset),
+                    length);
             }
         }
     }
+}
+
+void
+QPDFObjectHandle::addContentTokenFilter(std::shared_ptr<TokenFilter> filter)
+{
+    coalesceContentStreams();
+    this->getKey("/Contents").addTokenFilter(filter);
+}
 
-    setObjectDescriptionFromInput(
-        object, context, object_description, input, offset);
-    return object;
+void
+QPDFObjectHandle::addTokenFilter(std::shared_ptr<TokenFilter> filter)
+{
+    return asStreamWithAssert()->addTokenFilter(filter);
 }
 
 QPDFObjectHandle
-QPDFObjectHandle::newIndirect(QPDF* qpdf, int objid, int generation)
+QPDFObjectHandle::parse(
+    std::shared_ptr<InputSource> input,
+    std::string const& object_description,
+    QPDFTokenizer& tokenizer,
+    bool& empty,
+    StringDecrypter* decrypter,
+    QPDF* context)
 {
-    if (objid == 0)
-    {
-        // Special case: QPDF uses objid 0 as a sentinel for direct
-        // objects, and the PDF specification doesn't allow for object
-        // 0. Treat indirect references to object 0 as null so that we
-        // never create an indirect object with objid 0.
-        QTC::TC("qpdf", "QPDFObjectHandle indirect with 0 objid");
-        return newNull();
-    }
+    return QPDFParser(input, object_description, tokenizer, decrypter, context)
+        .parse(empty, false);
+}
 
-    return QPDFObjectHandle(qpdf, objid, generation);
+qpdf_offset_t
+QPDFObjectHandle::getParsedOffset()
+{
+    if (dereference()) {
+        return this->obj->getParsedOffset();
+    } else {
+        return -1;
+    }
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newBool(bool value)
 {
-    return QPDFObjectHandle(new QPDF_Bool(value));
+    return QPDFObjectHandle(QPDF_Bool::create(value));
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newNull()
 {
-    return QPDFObjectHandle(new QPDF_Null());
+    return QPDFObjectHandle(QPDF_Null::create());
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newInteger(long long value)
 {
-    return QPDFObjectHandle(new QPDF_Integer(value));
+    return QPDFObjectHandle(QPDF_Integer::create(value));
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newReal(std::string const& value)
 {
-    return QPDFObjectHandle(new QPDF_Real(value));
+    return QPDFObjectHandle(QPDF_Real::create(value));
 }
 
 QPDFObjectHandle
-QPDFObjectHandle::newReal(double value, int decimal_places)
+QPDFObjectHandle::newReal(
+    double value, int decimal_places, bool trim_trailing_zeroes)
 {
-    return QPDFObjectHandle(new QPDF_Real(value, decimal_places));
+    return QPDFObjectHandle(
+        QPDF_Real::create(value, decimal_places, trim_trailing_zeroes));
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newName(std::string const& name)
 {
-    return QPDFObjectHandle(new QPDF_Name(name));
+    return QPDFObjectHandle(QPDF_Name::create(name));
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newString(std::string const& str)
 {
-    return QPDFObjectHandle(new QPDF_String(str));
+    return QPDFObjectHandle(QPDF_String::create(str));
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newUnicodeString(std::string const& utf8_str)
 {
-    return QPDFObjectHandle(QPDF_String::new_utf16(utf8_str));
+    return QPDFObjectHandle(QPDF_String::create_utf16(utf8_str));
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newOperator(std::string const& value)
 {
-    return QPDFObjectHandle(new QPDF_Operator(value));
+    return QPDFObjectHandle(QPDF_Operator::create(value));
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newInlineImage(std::string const& value)
 {
-    return QPDFObjectHandle(new QPDF_InlineImage(value));
+    return QPDFObjectHandle(QPDF_InlineImage::create(value));
 }
 
 QPDFObjectHandle
@@ -2060,7 +2070,7 @@
 QPDFObjectHandle
 QPDFObjectHandle::newArray(std::vector<QPDFObjectHandle> const& items)
 {
-    return QPDFObjectHandle(new QPDF_Array(items));
+    return QPDFObjectHandle(QPDF_Array::create(items));
 }
 
 QPDFObjectHandle
@@ -2088,15 +2098,34 @@
 }
 
 QPDFObjectHandle
+QPDFObjectHandle::newArray(QPDFMatrix const& matrix)
+{
+    std::vector<QPDFObjectHandle> items;
+    items.push_back(newReal(matrix.a));
+    items.push_back(newReal(matrix.b));
+    items.push_back(newReal(matrix.c));
+    items.push_back(newReal(matrix.d));
+    items.push_back(newReal(matrix.e));
+    items.push_back(newReal(matrix.f));
+    return newArray(items);
+}
+
+QPDFObjectHandle
 QPDFObjectHandle::newFromRectangle(Rectangle const& rect)
 {
     return newArray(rect);
 }
 
 QPDFObjectHandle
-QPDFObjectHandle::newFromMatrix(Matrix const& rect)
+QPDFObjectHandle::newFromMatrix(Matrix const& m)
 {
-    return newArray(rect);
+    return newArray(m);
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newFromMatrix(QPDFMatrix const& m)
+{
+    return newArray(m);
 }
 
 QPDFObjectHandle
@@ -2109,37 +2138,43 @@
 QPDFObjectHandle::newDictionary(
     std::map<std::string, QPDFObjectHandle> const& items)
 {
-    return QPDFObjectHandle(new QPDF_Dictionary(items));
+    return QPDFObjectHandle(QPDF_Dictionary::create(items));
 }
 
-
 QPDFObjectHandle
-QPDFObjectHandle::newStream(QPDF* qpdf, int objid, int generation,
-			    QPDFObjectHandle stream_dict,
-			    qpdf_offset_t offset, size_t length)
-{
-    return QPDFObjectHandle(new QPDF_Stream(
-				qpdf, objid, generation,
-				stream_dict, offset, length));
+QPDFObjectHandle::newStream(
+    QPDF* qpdf,
+    QPDFObjGen const& og,
+    QPDFObjectHandle stream_dict,
+    qpdf_offset_t offset,
+    size_t length)
+{
+    QPDFObjectHandle result = QPDFObjectHandle(
+        QPDF_Stream::create(qpdf, og, stream_dict, offset, length));
+    if (offset) {
+        result.setParsedOffset(offset);
+    }
+    return result;
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::newStream(QPDF* qpdf)
 {
+    if (qpdf == nullptr) {
+        throw std::runtime_error(
+            "attempt to create stream in null qpdf object");
+    }
     QTC::TC("qpdf", "QPDFObjectHandle newStream");
     QPDFObjectHandle stream_dict = newDictionary();
-    QPDFObjectHandle result = qpdf->makeIndirectObject(
-	QPDFObjectHandle(
-	    new QPDF_Stream(qpdf, 0, 0, stream_dict, 0, 0)));
-    result.dereference();
-    QPDF_Stream* stream =
-        dynamic_cast<QPDF_Stream*>(result.m->obj.getPointer());
-    stream->setObjGen(result.getObjectID(), result.getGeneration());
+    QPDFObjectHandle result = qpdf->makeIndirectObject(QPDFObjectHandle(
+        QPDF_Stream::create(qpdf, QPDFObjGen(), stream_dict, 0, 0)));
+    auto stream = result.asStream();
+    stream->setObjGen(result.getObjGen());
     return result;
 }
 
 QPDFObjectHandle
-QPDFObjectHandle::newStream(QPDF* qpdf, PointerHolder<Buffer> data)
+QPDFObjectHandle::newStream(QPDF* qpdf, std::shared_ptr<Buffer> data)
 {
     QTC::TC("qpdf", "QPDFObjectHandle newStream with data");
     QPDFObjectHandle result = newStream(qpdf);
@@ -2159,258 +2194,225 @@
 QPDFObjectHandle
 QPDFObjectHandle::newReserved(QPDF* qpdf)
 {
-    // Reserve a spot for this object by assigning it an object
-    // number, but then return an unresolved handle to the object.
-    QPDFObjectHandle reserved = qpdf->makeIndirectObject(
-	QPDFObjectHandle(new QPDF_Reserved()));
-    QPDFObjectHandle result =
-        newIndirect(qpdf, reserved.m->objid, reserved.m->generation);
-    result.m->reserved = true;
-    return result;
+    return qpdf->makeIndirectObject(QPDFObjectHandle(QPDF_Reserved::create()));
 }
 
 void
-QPDFObjectHandle::setObjectDescription(QPDF* owning_qpdf,
-                                       std::string const& object_description)
+QPDFObjectHandle::setObjectDescription(
+    QPDF* owning_qpdf, std::string const& object_description)
 {
-    if (isInitialized() && this->m->obj.getPointer())
-    {
-        this->m->obj->setDescription(owning_qpdf, object_description);
+    // This is called during parsing on newly created direct objects,
+    // so we can't call dereference() here.
+    if (isInitialized() && obj.get()) {
+        obj->setDescription(owning_qpdf, object_description);
     }
 }
 
 bool
 QPDFObjectHandle::hasObjectDescription()
 {
-    if (isInitialized() && this->m->obj.getPointer())
-    {
-        return this->m->obj->hasDescription();
-    }
-    return false;
+    return dereference() && obj.get() && obj->hasDescription();
 }
 
 QPDFObjectHandle
 QPDFObjectHandle::shallowCopy()
 {
-    assertInitialized();
+    QPDFObjectHandle result;
+    shallowCopyInternal(result, false);
+    return result;
+}
 
-    if (isStream())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle ERR shallow copy stream");
-	throw std::runtime_error(
-	    "attempt to make a shallow copy of a stream");
-    }
+QPDFObjectHandle
+QPDFObjectHandle::unsafeShallowCopy()
+{
+    QPDFObjectHandle result;
+    shallowCopyInternal(result, true);
+    return result;
+}
 
-    QPDFObjectHandle new_obj;
-    if (isArray())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle shallow copy array");
-	new_obj = newArray(getArrayAsVector());
-    }
-    else if (isDictionary())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle shallow copy dictionary");
-        new_obj = newDictionary(getDictAsMap());
-    }
-    else
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle shallow copy scalar");
-        new_obj = *this;
+void
+QPDFObjectHandle::shallowCopyInternal(
+    QPDFObjectHandle& new_obj, bool first_level_only)
+{
+    assertInitialized();
+
+    if (isStream()) {
+        QTC::TC("qpdf", "QPDFObjectHandle ERR shallow copy stream");
+        throw std::runtime_error("attempt to make a shallow copy of a stream");
     }
+    new_obj = QPDFObjectHandle(obj->shallowCopy());
 
     std::set<QPDFObjGen> visited;
-    new_obj.copyObject(visited, false);
-    return new_obj;
+    new_obj.copyObject(visited, false, first_level_only, false);
 }
 
 void
-QPDFObjectHandle::copyObject(std::set<QPDFObjGen>& visited,
-                             bool cross_indirect)
+QPDFObjectHandle::copyObject(
+    std::set<QPDFObjGen>& visited,
+    bool cross_indirect,
+    bool first_level_only,
+    bool stop_at_streams)
 {
     assertInitialized();
 
-    if (isStream())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle ERR clone stream");
-	throw std::runtime_error(
-	    "attempt to make a stream into a direct object");
+    if (isStream()) {
+        QTC::TC(
+            "qpdf", "QPDFObjectHandle copy stream", stop_at_streams ? 0 : 1);
+        if (stop_at_streams) {
+            return;
+        }
+        throw std::runtime_error(
+            "attempt to make a stream into a direct object");
     }
 
-    QPDFObjGen cur_og(this->m->objid, this->m->generation);
-    if (cur_og.getObj() != 0)
-    {
-	if (visited.count(cur_og))
-	{
-	    QTC::TC("qpdf", "QPDFObjectHandle makeDirect loop");
-	    throw std::runtime_error(
-		"loop detected while converting object from "
-		"indirect to direct");
-	}
-	visited.insert(cur_og);
+    auto cur_og = getObjGen();
+    if (cur_og.getObj() != 0) {
+        if (visited.count(cur_og)) {
+            QTC::TC("qpdf", "QPDFObjectHandle makeDirect loop");
+            throw std::runtime_error(
+                "loop detected while converting object from "
+                "indirect to direct");
+        }
+        visited.insert(cur_og);
     }
 
-    if (isReserved())
-    {
-        throw std::logic_error(
-            "QPDFObjectHandle: attempting to make a"
-            " reserved object handle direct");
+    if (isReserved()) {
+        throw std::logic_error("QPDFObjectHandle: attempting to make a"
+                               " reserved object handle direct");
     }
 
-    dereference();
-    this->m->qpdf = 0;
-    this->m->objid = 0;
-    this->m->generation = 0;
-
-    PointerHolder<QPDFObject> new_obj;
+    std::shared_ptr<QPDFObject> new_obj;
 
-    if (isBool())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone bool");
-	new_obj = new QPDF_Bool(getBoolValue());
-    }
-    else if (isNull())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone null");
-	new_obj = new QPDF_Null();
-    }
-    else if (isInteger())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone integer");
-	new_obj = new QPDF_Integer(getIntValue());
-    }
-    else if (isReal())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone real");
-	new_obj = new QPDF_Real(getRealValue());
-    }
-    else if (isName())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone name");
-	new_obj = new QPDF_Name(getName());
-    }
-    else if (isString())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone string");
-	new_obj = new QPDF_String(getStringValue());
-    }
-    else if (isArray())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone array");
-	std::vector<QPDFObjectHandle> items;
-	int n = getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
-	    items.push_back(getArrayItem(i));
-            if (cross_indirect || (! items.back().isIndirect()))
-            {
-                items.back().copyObject(visited, cross_indirect);
+    if (isBool() || isInteger() || isName() || isNull() || isReal() ||
+        isString()) {
+        new_obj = obj->shallowCopy();
+    } else if (isArray()) {
+        std::vector<QPDFObjectHandle> items;
+        auto array = asArray();
+        int n = array->getNItems();
+        for (int i = 0; i < n; ++i) {
+            items.push_back(array->getItem(i));
+            if ((!first_level_only) &&
+                (cross_indirect || (!items.back().isIndirect()))) {
+                items.back().copyObject(
+                    visited, cross_indirect, first_level_only, stop_at_streams);
             }
-	}
-	new_obj = new QPDF_Array(items);
-    }
-    else if (isDictionary())
-    {
-	QTC::TC("qpdf", "QPDFObjectHandle clone dictionary");
-	std::set<std::string> keys = getKeys();
-	std::map<std::string, QPDFObjectHandle> items;
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-	    items*iter = getKey(*iter);
-            if (cross_indirect || (! items*iter.isIndirect()))
-            {
-                items*iter.copyObject(visited, cross_indirect);
+        }
+        new_obj = QPDF_Array::create(items);
+    } else if (isDictionary()) {
+        std::map<std::string, QPDFObjectHandle> items;
+        auto dict = asDictionary();
+        for (auto const& key: getKeys()) {
+            itemskey = dict->getKey(key);
+            if ((!first_level_only) &&
+                (cross_indirect || (!itemskey.isIndirect()))) {
+                itemskey.copyObject(
+                    visited, cross_indirect, first_level_only, stop_at_streams);
             }
-	}
-	new_obj = new QPDF_Dictionary(items);
-    }
-    else
-    {
-	throw std::logic_error("QPDFObjectHandle::makeDirectInternal: "
-			       "unknown object type");
+        }
+        new_obj = QPDF_Dictionary::create(items);
+    } else {
+        throw std::logic_error("QPDFObjectHandle::makeDirectInternal: "
+                               "unknown object type");
     }
 
-    this->m->obj = new_obj;
+    this->obj = new_obj;
 
-    if (cur_og.getObj())
-    {
-	visited.erase(cur_og);
+    if (cur_og.getObj()) {
+        visited.erase(cur_og);
+    }
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::copyStream()
+{
+    assertStream();
+    QPDFObjectHandle result = newStream(this->getOwningQPDF());
+    QPDFObjectHandle dict = result.getDict();
+    QPDFObjectHandle old_dict = getDict();
+    for (auto& iter: QPDFDictItems(old_dict)) {
+        if (iter.second.isIndirect()) {
+            dict.replaceKey(iter.first, iter.second);
+        } else {
+            dict.replaceKey(iter.first, iter.second.shallowCopy());
+        }
     }
+    QPDF::StreamCopier::copyStreamData(getOwningQPDF(), result, *this);
+    return result;
 }
 
 void
-QPDFObjectHandle::makeDirect()
+QPDFObjectHandle::makeDirect(bool allow_streams)
 {
     std::set<QPDFObjGen> visited;
-    copyObject(visited, true);
+    copyObject(visited, true, false, allow_streams);
 }
 
 void
 QPDFObjectHandle::assertInitialized() const
 {
-    if (! this->m->initialized)
-    {
-	throw std::logic_error("operation attempted on uninitialized "
-			       "QPDFObjectHandle");
+    if (!isInitialized()) {
+        throw std::logic_error("operation attempted on uninitialized "
+                               "QPDFObjectHandle");
     }
 }
 
 void
-QPDFObjectHandle::typeWarning(char const* expected_type,
-                              std::string const& warning)
+QPDFObjectHandle::typeWarning(
+    char const* expected_type, std::string const& warning)
 {
-    QPDF* context = 0;
+    QPDF* context = nullptr;
     std::string description;
-    if (this->m->obj->getDescription(context, description))
-    {
-        warn(context,
-             QPDFExc(
-                 qpdf_e_damaged_pdf,
-                 "", description, 0,
-                 std::string("operation for ") + expected_type +
-                 " attempted on object of type " +
-                 getTypeName() + ": " + warning));
-    }
-    else
-    {
-        assertType(expected_type, false);
+    // Type checks above guarantee that the object has been dereferenced.
+    // Nevertheless, dereference throws exceptions in the test suite
+    if (!dereference()) {
+        throw std::logic_error(
+            "attempted to dereference an uninitialized QPDFObjectHandle");
     }
+    this->obj->getDescription(context, description);
+    // Null context handled by warn
+    warn(
+        context,
+        QPDFExc(
+            qpdf_e_object,
+            "",
+            description,
+            0,
+            std::string("operation for ") + expected_type +
+                " attempted on object of type " + getTypeName() + ": " +
+                warning));
 }
 
 void
-QPDFObjectHandle::warnIfPossible(std::string const& warning,
-                                 bool throw_if_no_description)
+QPDFObjectHandle::warnIfPossible(std::string const& warning)
 {
-    QPDF* context = 0;
+    QPDF* context = nullptr;
     std::string description;
-    if (this->m->obj->getDescription(context, description))
-    {
-        warn(context,
-             QPDFExc(
-                 qpdf_e_damaged_pdf,
-                 "", description, 0,
-                 warning));
-    }
-    else if (throw_if_no_description)
-    {
-        throw std::logic_error(warning);
+    if (dereference() && obj->getDescription(context, description)) {
+        warn(context, QPDFExc(qpdf_e_damaged_pdf, "", description, 0, warning));
+    } else {
+        *QPDFLogger::defaultLogger()->getError() << warning << "\n";
     }
 }
 
 void
 QPDFObjectHandle::objectWarning(std::string const& warning)
 {
-    warnIfPossible(warning, true);
+    QPDF* context = nullptr;
+    std::string description;
+    // Type checks above guarantee that the object has been dereferenced.
+    this->obj->getDescription(context, description);
+    // Null context handled by warn
+    warn(context, QPDFExc(qpdf_e_object, "", description, 0, warning));
 }
 
 void
 QPDFObjectHandle::assertType(char const* type_name, bool istype)
 {
-    if (! istype)
-    {
-	throw std::logic_error(std::string("operation for ") + type_name +
-			       " attempted on object of type " +
-                               getTypeName());
+    if (!istype) {
+        throw std::runtime_error(
+            std::string("operation for ") + type_name +
+            " attempted on object of type " + getTypeName());
     }
 }
 
@@ -2489,9 +2491,8 @@
 void
 QPDFObjectHandle::assertIndirect()
 {
-    if (! isIndirect())
-    {
-	throw std::logic_error(
+    if (!isIndirect()) {
+        throw std::logic_error(
             "operation for indirect object attempted on direct object");
     }
 }
@@ -2512,24 +2513,23 @@
 QPDFObjectHandle::isPageObject()
 {
     // See comments in QPDFObjectHandle.hh.
-    if (! this->isDictionary())
-    {
+    if (getOwningQPDF() == nullptr) {
         return false;
     }
-    if (this->hasKey("/Type"))
-    {
+    // getAllPages repairs /Type when traversing the page tree.
+    getOwningQPDF()->getAllPages();
+    if (!this->isDictionary()) {
+        return false;
+    }
+    if (this->hasKey("/Type")) {
         QPDFObjectHandle type = this->getKey("/Type");
-        if (type.isName() && (type.getName() == "/Page"))
-        {
+        if (type.isNameAndEquals("/Page")) {
             return true;
         }
         // Files have been seen in the wild that have /Type (Page)
-        else if (type.isString() && (type.getStringValue() == "Page"))
-        {
+        else if (type.isString() && (type.getStringValue() == "Page")) {
             return true;
-        }
-        else
-        {
+        } else {
             return false;
         }
     }
@@ -2539,42 +2539,59 @@
 bool
 QPDFObjectHandle::isPagesObject()
 {
-    // Some PDF files have /Type broken on pages.
-    return (this->isDictionary() && this->hasKey("/Kids"));
+    if (getOwningQPDF() == nullptr) {
+        return false;
+    }
+    // getAllPages repairs /Type when traversing the page tree.
+    getOwningQPDF()->getAllPages();
+    return isDictionaryOfType("/Pages");
+}
+
+bool
+QPDFObjectHandle::isFormXObject()
+{
+    return isStreamOfType("", "/Form");
+}
+
+bool
+QPDFObjectHandle::isImage(bool exclude_imagemask)
+{
+    return (
+        isStreamOfType("", "/Image") &&
+        ((!exclude_imagemask) ||
+         (!(getDict().getKey("/ImageMask").isBool() &&
+            getDict().getKey("/ImageMask").getBoolValue()))));
 }
 
 void
-QPDFObjectHandle::assertPageObject()
+QPDFObjectHandle::checkOwnership(QPDFObjectHandle const& item) const
 {
-    if (! isPageObject())
-    {
-	throw std::logic_error("page operation called on non-Page object");
+    auto qpdf = getOwningQPDF();
+    auto item_qpdf = item.getOwningQPDF();
+    if ((qpdf != nullptr) && (item_qpdf != nullptr) && (qpdf != item_qpdf)) {
+        QTC::TC("qpdf", "QPDFObjectHandle check ownership");
+        throw std::logic_error(
+            "Attempting to add an object from a different QPDF."
+            " Use QPDF::copyForeignObject to add objects from another file.");
     }
 }
 
 void
+QPDFObjectHandle::assertPageObject()
+{
+    if (!isPageObject()) {
+        throw std::runtime_error("page operation called on non-Page object");
+    }
+}
+
+bool
 QPDFObjectHandle::dereference()
 {
-    if (this->m->obj.getPointer() == 0)
-    {
-        PointerHolder<QPDFObject> obj = QPDF::Resolver::resolve(
-	    this->m->qpdf, this->m->objid, this->m->generation);
-	if (obj.getPointer() == 0)
-	{
-            // QPDF::resolve never returns an uninitialized object, but
-            // check just in case.
-	    this->m->obj = new QPDF_Null();
-	}
-        else if (dynamic_cast<QPDF_Reserved*>(obj.getPointer()))
-        {
-            // Do not resolve
-        }
-        else
-        {
-            this->m->reserved = false;
-            this->m->obj = obj;
-        }
+    if (!isInitialized()) {
+        return false;
     }
+    this->obj->resolve();
+    return true;
 }
 
 void
@@ -2584,12 +2601,220 @@
     // warning, we can warn through the object. If parsing for some
     // other reason, such as an explicit creation of an object from a
     // string, then just throw the exception.
-    if (qpdf)
-    {
-        QPDF::Warner::warn(qpdf, e);
-    }
-    else
-    {
+    if (qpdf) {
+        qpdf->warn(e);
+    } else {
         throw e;
     }
 }
+
+QPDFObjectHandle::QPDFDictItems::QPDFDictItems(QPDFObjectHandle const& oh) :
+    oh(oh)
+{
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator&
+QPDFObjectHandle::QPDFDictItems::iterator::operator++()
+{
+    ++this->m->iter;
+    updateIValue();
+    return *this;
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator&
+QPDFObjectHandle::QPDFDictItems::iterator::operator--()
+{
+    --this->m->iter;
+    updateIValue();
+    return *this;
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator::reference
+QPDFObjectHandle::QPDFDictItems::iterator::operator*()
+{
+    updateIValue();
+    return this->ivalue;
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator::pointer
+QPDFObjectHandle::QPDFDictItems::iterator::operator->()
+{
+    updateIValue();
+    return &this->ivalue;
+}
+
+bool
+QPDFObjectHandle::QPDFDictItems::iterator::operator==(
+    iterator const& other) const
+{
+    if (this->m->is_end && other.m->is_end) {
+        return true;
+    }
+    if (this->m->is_end || other.m->is_end) {
+        return false;
+    }
+    return (this->ivalue.first == other.ivalue.first);
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator::iterator(
+    QPDFObjectHandle& oh, bool for_begin) :
+    m(new Members(oh, for_begin))
+{
+    updateIValue();
+}
+
+void
+QPDFObjectHandle::QPDFDictItems::iterator::updateIValue()
+{
+    this->m->is_end = (this->m->iter == this->m->keys.end());
+    if (this->m->is_end) {
+        this->ivalue.first = "";
+        this->ivalue.second = QPDFObjectHandle();
+    } else {
+        this->ivalue.first = *(this->m->iter);
+        this->ivalue.second = this->m->oh.getKey(this->ivalue.first);
+    }
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator::Members::Members(
+    QPDFObjectHandle& oh, bool for_begin) :
+    oh(oh)
+{
+    this->keys = oh.getKeys();
+    this->iter = for_begin ? this->keys.begin() : this->keys.end();
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator
+QPDFObjectHandle::QPDFDictItems::begin()
+{
+    return iterator(oh, true);
+}
+
+QPDFObjectHandle::QPDFDictItems::iterator
+QPDFObjectHandle::QPDFDictItems::end()
+{
+    return iterator(oh, false);
+}
+
+QPDFObjectHandle::QPDFArrayItems::QPDFArrayItems(QPDFObjectHandle const& oh) :
+    oh(oh)
+{
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator&
+QPDFObjectHandle::QPDFArrayItems::iterator::operator++()
+{
+    if (!this->m->is_end) {
+        ++this->m->item_number;
+        updateIValue();
+    }
+    return *this;
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator&
+QPDFObjectHandle::QPDFArrayItems::iterator::operator--()
+{
+    if (this->m->item_number > 0) {
+        --this->m->item_number;
+        updateIValue();
+    }
+    return *this;
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator::reference
+QPDFObjectHandle::QPDFArrayItems::iterator::operator*()
+{
+    updateIValue();
+    return this->ivalue;
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator::pointer
+QPDFObjectHandle::QPDFArrayItems::iterator::operator->()
+{
+    updateIValue();
+    return &this->ivalue;
+}
+
+bool
+QPDFObjectHandle::QPDFArrayItems::iterator::operator==(
+    iterator const& other) const
+{
+    return (this->m->item_number == other.m->item_number);
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator::iterator(
+    QPDFObjectHandle& oh, bool for_begin) :
+    m(new Members(oh, for_begin))
+{
+    updateIValue();
+}
+
+void
+QPDFObjectHandle::QPDFArrayItems::iterator::updateIValue()
+{
+    this->m->is_end = (this->m->item_number >= this->m->oh.getArrayNItems());
+    if (this->m->is_end) {
+        this->ivalue = QPDFObjectHandle();
+    } else {
+        this->ivalue = this->m->oh.getArrayItem(this->m->item_number);
+    }
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator::Members::Members(
+    QPDFObjectHandle& oh, bool for_begin) :
+    oh(oh)
+{
+    this->item_number = for_begin ? 0 : oh.getArrayNItems();
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator
+QPDFObjectHandle::QPDFArrayItems::begin()
+{
+    return iterator(oh, true);
+}
+
+QPDFObjectHandle::QPDFArrayItems::iterator
+QPDFObjectHandle::QPDFArrayItems::end()
+{
+    return iterator(oh, false);
+}
+
+QPDFObjGen
+QPDFObjectHandle::getObjGen() const
+{
+    return isInitialized() ? obj->getObjGen() : QPDFObjGen();
+}
+
+// Indirect object accessors
+QPDF*
+QPDFObjectHandle::getOwningQPDF() const
+{
+    return isInitialized() ? this->obj->getQPDF() : nullptr;
+}
+
+QPDF&
+QPDFObjectHandle::getQPDF(std::string const& error_msg) const
+{
+    auto result = isInitialized() ? this->obj->getQPDF() : nullptr;
+    if (result == nullptr) {
+        throw std::runtime_error(
+            error_msg == "" ? "attempt to use a null qpdf object" : error_msg);
+    }
+    return *result;
+}
+
+void
+QPDFObjectHandle::setParsedOffset(qpdf_offset_t offset)
+{
+    // This is called during parsing on newly created direct objects,
+    // so we can't call dereference() here.
+    if (isInitialized()) {
+        this->obj->setParsedOffset(offset);
+    }
+}
+
+QPDFObjectHandle operator""_qpdf(char const* v, size_t len)
+{
+    return QPDFObjectHandle::parse(
+        std::string(v, len), "QPDFObjectHandle literal");
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFOutlineDocumentHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFOutlineDocumentHelper.cc Changed

@@ -1,48 +1,40 @@
 #include <qpdf/QPDFOutlineDocumentHelper.hh>
-#include <qpdf/QTC.hh>
-
-QPDFOutlineDocumentHelper::Members::~Members()
-{
-}
 
-QPDFOutlineDocumentHelper::Members::Members()
-{
-}
+#include <qpdf/QTC.hh>
 
 QPDFOutlineDocumentHelper::QPDFOutlineDocumentHelper(QPDF& qpdf) :
     QPDFDocumentHelper(qpdf),
     m(new Members())
 {
     QPDFObjectHandle root = qpdf.getRoot();
-    if (! root.hasKey("/Outlines"))
-    {
+    if (!root.hasKey("/Outlines")) {
         return;
     }
     QPDFObjectHandle outlines = root.getKey("/Outlines");
-    if (! (outlines.isDictionary() && outlines.hasKey("/First")))
-    {
+    if (!(outlines.isDictionary() && outlines.hasKey("/First"))) {
         return;
     }
     QPDFObjectHandle cur = outlines.getKey("/First");
-    while (! cur.isNull())
-    {
+    std::set<QPDFObjGen> seen;
+    while (!cur.isNull()) {
+        auto og = cur.getObjGen();
+        if (seen.count(og)) {
+            break;
+        }
+        seen.insert(og);
         this->m->outlines.push_back(
             QPDFOutlineObjectHelper::Accessor::create(cur, *this, 1));
         cur = cur.getKey("/Next");
     }
 }
 
-QPDFOutlineDocumentHelper::~QPDFOutlineDocumentHelper()
-{
-}
-
 bool
 QPDFOutlineDocumentHelper::hasOutlines()
 {
-    return ! this->m->outlines.empty();
+    return !this->m->outlines.empty();
 }
 
-std::list<QPDFOutlineObjectHelper>
+std::vector<QPDFOutlineObjectHelper>
 QPDFOutlineDocumentHelper::getTopLevelOutlines()
 {
     return this->m->outlines;
@@ -52,28 +44,26 @@
 QPDFOutlineDocumentHelper::initializeByPage()
 {
     std::list<QPDFOutlineObjectHelper> queue;
-    queue.insert(queue.end(), this->m->outlines.begin(), this->m->outlines.end());
+    queue.insert(
+        queue.end(), this->m->outlines.begin(), this->m->outlines.end());
 
-    while (! queue.empty())
-    {
+    while (!queue.empty()) {
         QPDFOutlineObjectHelper oh = queue.front();
         queue.pop_front();
         this->m->by_pageoh.getDestPage().getObjGen().push_back(oh);
-        std::list<QPDFOutlineObjectHelper> kids = oh.getKids();
+        std::vector<QPDFOutlineObjectHelper> kids = oh.getKids();
         queue.insert(queue.end(), kids.begin(), kids.end());
     }
 }
 
-std::list<QPDFOutlineObjectHelper>
+std::vector<QPDFOutlineObjectHelper>
 QPDFOutlineDocumentHelper::getOutlinesForPage(QPDFObjGen const& og)
 {
-    if (this->m->by_page.empty())
-    {
+    if (this->m->by_page.empty()) {
         initializeByPage();
     }
-    std::list<QPDFOutlineObjectHelper> result;
-    if (this->m->by_page.count(og))
-    {
+    std::vector<QPDFOutlineObjectHelper> result;
+    if (this->m->by_page.count(og)) {
         result = this->m->by_pageog;
     }
     return result;
@@ -83,43 +73,33 @@
 QPDFOutlineDocumentHelper::resolveNamedDest(QPDFObjectHandle name)
 {
     QPDFObjectHandle result;
-    if (name.isName())
-    {
-        if (! this->m->dest_dict.isInitialized())
-        {
+    if (name.isName()) {
+        if (!this->m->dest_dict.isInitialized()) {
             this->m->dest_dict = this->qpdf.getRoot().getKey("/Dests");
         }
-        if (this->m->dest_dict.isDictionary())
-        {
+        if (this->m->dest_dict.isDictionary()) {
             QTC::TC("qpdf", "QPDFOutlineDocumentHelper name named dest");
             result = this->m->dest_dict.getKey(name.getName());
         }
-    }
-    else if (name.isString())
-    {
-        if (0 == this->m->names_dest.getPointer())
-        {
+    } else if (name.isString()) {
+        if (nullptr == this->m->names_dest) {
             QPDFObjectHandle names = this->qpdf.getRoot().getKey("/Names");
-            if (names.isDictionary())
-            {
+            if (names.isDictionary()) {
                 QPDFObjectHandle dests = names.getKey("/Dests");
-                if (dests.isDictionary())
-                {
+                if (dests.isDictionary()) {
                     this->m->names_dest =
-                        new QPDFNameTreeObjectHelper(dests);
+                        std::make_shared<QPDFNameTreeObjectHelper>(
+                            dests, this->qpdf);
                 }
             }
         }
-        if (this->m->names_dest.getPointer())
-        {
-            if (this->m->names_dest->findObject(name.getUTF8Value(), result))
-            {
+        if (this->m->names_dest.get()) {
+            if (this->m->names_dest->findObject(name.getUTF8Value(), result)) {
                 QTC::TC("qpdf", "QPDFOutlineDocumentHelper string named dest");
             }
         }
     }
-    if (! result.isInitialized())
-    {
+    if (!result.isInitialized()) {
         result = QPDFObjectHandle::newNull();
     }
     return result;
@@ -128,8 +108,7 @@
 bool
 QPDFOutlineDocumentHelper::checkSeen(QPDFObjGen const& og)
 {
-    if (this->m->seen.count(og) > 0)
-    {
+    if (this->m->seen.count(og) > 0) {
         return true;
     }
     this->m->seen.insert(og);

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFOutlineObjectHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFOutlineObjectHelper.cc Changed

@@ -1,11 +1,8 @@
 #include <qpdf/QPDFOutlineObjectHelper.hh>
+
 #include <qpdf/QPDFOutlineDocumentHelper.hh>
 #include <qpdf/QTC.hh>
 
-QPDFOutlineObjectHelper::Members::~Members()
-{
-}
-
 QPDFOutlineObjectHelper::Members::Members(QPDFOutlineDocumentHelper& dh) :
     dh(dh)
 {
@@ -16,36 +13,33 @@
     QPDFObjectHelper(oh),
     m(new Members(dh))
 {
-    if (depth > 50)
-    {
+    if (depth > 50) {
         // Not exercised in test suite, but was tested manually by
         // temporarily changing max depth to 1.
         return;
     }
     if (QPDFOutlineDocumentHelper::Accessor::checkSeen(
-            this->m->dh, this->oh.getObjGen()))
-    {
+            this->m->dh, this->oh.getObjGen())) {
         QTC::TC("qpdf", "QPDFOutlineObjectHelper loop");
         return;
     }
 
     QPDFObjectHandle cur = oh.getKey("/First");
-    while (! cur.isNull())
-    {
+    while (!cur.isNull()) {
         QPDFOutlineObjectHelper new_ooh(cur, dh, 1 + depth);
-        new_ooh.m->parent = new QPDFOutlineObjectHelper(*this);
+        new_ooh.m->parent = std::make_shared<QPDFOutlineObjectHelper>(*this);
         this->m->kids.push_back(new_ooh);
         cur = cur.getKey("/Next");
     }
 }
 
-PointerHolder<QPDFOutlineObjectHelper>
+std::shared_ptr<QPDFOutlineObjectHelper>
 QPDFOutlineObjectHelper::getParent()
 {
     return this->m->parent;
 }
 
-std::list<QPDFOutlineObjectHelper>
+std::vector<QPDFOutlineObjectHelper>
 QPDFOutlineObjectHelper::getKids()
 {
     return this->m->kids;
@@ -56,26 +50,20 @@
 {
     QPDFObjectHandle dest;
     QPDFObjectHandle A;
-    if (this->oh.hasKey("/Dest"))
-    {
+    if (this->oh.hasKey("/Dest")) {
         QTC::TC("qpdf", "QPDFOutlineObjectHelper direct dest");
         dest = this->oh.getKey("/Dest");
-    }
-    else if ((A = this->oh.getKey("/A")).isDictionary() &&
-             A.getKey("/S").isName() &&
-             (A.getKey("/S").getName() == "/GoTo") &&
-             A.hasKey("/D"))
-    {
+    } else if (
+        (A = this->oh.getKey("/A")).isDictionary() && A.getKey("/S").isName() &&
+        (A.getKey("/S").getName() == "/GoTo") && A.hasKey("/D")) {
         QTC::TC("qpdf", "QPDFOutlineObjectHelper action dest");
         dest = A.getKey("/D");
     }
-    if (! dest.isInitialized())
-    {
+    if (!dest.isInitialized()) {
         dest = QPDFObjectHandle::newNull();
     }
 
-    if (dest.isName() || dest.isString())
-    {
+    if (dest.isName() || dest.isString()) {
         QTC::TC("qpdf", "QPDFOutlineObjectHelper named dest");
         dest = this->m->dh.resolveNamedDest(dest);
     }
@@ -87,8 +75,7 @@
 QPDFOutlineObjectHelper::getDestPage()
 {
     QPDFObjectHandle dest = getDest();
-    if ((dest.isArray()) && (dest.getArrayNItems() > 0))
-    {
+    if ((dest.isArray()) && (dest.getArrayNItems() > 0)) {
         return dest.getArrayItem(0);
     }
     return QPDFObjectHandle::newNull();
@@ -98,9 +85,8 @@
 QPDFOutlineObjectHelper::getCount()
 {
     int count = 0;
-    if (this->oh.hasKey("/Count"))
-    {
-        count = this->oh.getKey("/Count").getIntValue();
+    if (this->oh.hasKey("/Count")) {
+        count = this->oh.getKey("/Count").getIntValueAsInt();
     }
     return count;
 }
@@ -109,8 +95,7 @@
 QPDFOutlineObjectHelper::getTitle()
 {
     std::string result;
-    if (this->oh.hasKey("/Title"))
-    {
+    if (this->oh.hasKey("/Title")) {
         result = this->oh.getKey("/Title").getUTF8Value();
     }
     return result;

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFPageDocumentHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFPageDocumentHelper.cc Changed

@@ -1,15 +1,8 @@
 #include <qpdf/QPDFPageDocumentHelper.hh>
+
 #include <qpdf/QPDFAcroFormDocumentHelper.hh>
-#include <qpdf/QUtil.hh>
 #include <qpdf/QTC.hh>
-
-QPDFPageDocumentHelper::Members::~Members()
-{
-}
-
-QPDFPageDocumentHelper::Members::Members()
-{
-}
+#include <qpdf/QUtil.hh>
 
 QPDFPageDocumentHelper::QPDFPageDocumentHelper(QPDF& qpdf) :
     QPDFDocumentHelper(qpdf)
@@ -19,12 +12,9 @@
 std::vector<QPDFPageObjectHelper>
 QPDFPageDocumentHelper::getAllPages()
 {
-    std::vector<QPDFObjectHandle> const& pages_v = this->qpdf.getAllPages();
     std::vector<QPDFPageObjectHelper> pages;
-    for (std::vector<QPDFObjectHandle>::const_iterator iter = pages_v.begin();
-         iter != pages_v.end(); ++iter)
-    {
-        pages.push_back(QPDFPageObjectHelper(*iter));
+    for (auto const& iter: this->qpdf.getAllPages()) {
+        pages.push_back(QPDFPageObjectHelper(iter));
     }
     return pages;
 }
@@ -38,11 +28,8 @@
 void
 QPDFPageDocumentHelper::removeUnreferencedResources()
 {
-    std::vector<QPDFPageObjectHelper> pages = getAllPages();
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter)
-    {
-        (*iter).removeUnreferencedResources();
+    for (auto& ph: getAllPages()) {
+        ph.removeUnreferencedResources();
     }
 }
 
@@ -53,11 +40,11 @@
 }
 
 void
-QPDFPageDocumentHelper::addPageAt(QPDFPageObjectHelper newpage, bool before,
-                                  QPDFPageObjectHelper refpage)
+QPDFPageDocumentHelper::addPageAt(
+    QPDFPageObjectHelper newpage, bool before, QPDFPageObjectHelper refpage)
 {
-    this->qpdf.addPageAt(newpage.getObjectHandle(), before,
-                         refpage.getObjectHandle());
+    this->qpdf.addPageAt(
+        newpage.getObjectHandle(), before, refpage.getObjectHandle());
 }
 
 void
@@ -66,36 +53,28 @@
     this->qpdf.removePage(page.getObjectHandle());
 }
 
-
 void
 QPDFPageDocumentHelper::flattenAnnotations(
-    int required_flags,
-    int forbidden_flags)
+    int required_flags, int forbidden_flags)
 {
     QPDFAcroFormDocumentHelper afdh(this->qpdf);
-    if (afdh.getNeedAppearances())
-    {
-        this->qpdf.getRoot().getKey("/AcroForm").warnIfPossible(
-            "document does not have updated appearance streams,"
-            " so form fields will not be flattened");
+    if (afdh.getNeedAppearances()) {
+        this->qpdf.getRoot()
+            .getKey("/AcroForm")
+            .warnIfPossible("document does not have updated appearance streams,"
+                            " so form fields will not be flattened");
     }
-    std::vector<QPDFPageObjectHelper> pages = getAllPages();
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter)
-    {
-        QPDFPageObjectHelper ph(*iter);
+    for (auto& ph: getAllPages()) {
         QPDFObjectHandle resources = ph.getAttribute("/Resources", true);
-        if (! resources.isDictionary())
-        {
+        if (!resources.isDictionary()) {
             // This should never happen and is not exercised in the
             // test suite
             resources = QPDFObjectHandle::newDictionary();
         }
-        flattenAnnotationsForPage(ph, resources, afdh,
-                                  required_flags, forbidden_flags);
+        flattenAnnotationsForPage(
+            ph, resources, afdh, required_flags, forbidden_flags);
     }
-    if (! afdh.getNeedAppearances())
-    {
+    if (!afdh.getNeedAppearances()) {
         this->qpdf.getRoot().removeKey("/AcroForm");
     }
 }
@@ -113,102 +92,78 @@
     std::vector<QPDFObjectHandle> new_annots;
     std::string new_content;
     int rotate = 0;
-    QPDFObjectHandle rotate_obj =
-        page.getObjectHandle().getKey("/Rotate");
-    if (rotate_obj.isInteger() && rotate_obj.getIntValue())
-    {
-        rotate = rotate_obj.getIntValue();
+    QPDFObjectHandle rotate_obj = page.getObjectHandle().getKey("/Rotate");
+    if (rotate_obj.isInteger() && rotate_obj.getIntValue()) {
+        rotate = rotate_obj.getIntValueAsInt();
     }
     int next_fx = 1;
-    for (std::vector<QPDFAnnotationObjectHelper>::iterator iter =
-             annots.begin();
-         iter != annots.end(); ++iter)
-    {
-        QPDFAnnotationObjectHelper& aoh(*iter);
+    for (auto& aoh: annots) {
         QPDFObjectHandle as = aoh.getAppearanceStream("/N");
         bool is_widget = (aoh.getSubtype() == "/Widget");
         bool process = true;
-        if (need_appearances && is_widget)
-        {
-            QTC::TC("qpdf", "QPDFPageDocumentHelper skip widget need appearances");
+        if (need_appearances && is_widget) {
+            QTC::TC(
+                "qpdf", "QPDFPageDocumentHelper skip widget need appearances");
             process = false;
         }
-        if (process && as.isStream())
-        {
-            if (is_widget)
-            {
+        if (process && as.isStream()) {
+            if (is_widget) {
                 QTC::TC("qpdf", "QPDFPageDocumentHelper merge DR");
                 QPDFFormFieldObjectHelper ff = afdh.getFieldForAnnotation(aoh);
                 QPDFObjectHandle as_resources =
                     as.getDict().getKey("/Resources");
-                if (as_resources.isIndirect())
-                {
-                    QTC::TC("qpdf", "QPDFPageDocumentHelper indirect as resources");
+                if (as_resources.isIndirect()) {
+                    QTC::TC(
+                        "qpdf", "QPDFPageDocumentHelper indirect as resources");
                     as.getDict().replaceKey(
                         "/Resources", as_resources.shallowCopy());
                     as_resources = as.getDict().getKey("/Resources");
                 }
-                as_resources.mergeResources(
-                    ff.getInheritableFieldValue("/DR"));
-            }
-            else
-            {
+                as_resources.mergeResources(ff.getDefaultResources());
+            } else {
                 QTC::TC("qpdf", "QPDFPageDocumentHelper non-widget annotation");
             }
-            std::string name = resources.getUniqueResourceName(
-                "/Fxo", next_fx);
+            std::string name = resources.getUniqueResourceName("/Fxo", next_fx);
             std::string content = aoh.getPageContentForAppearance(
                 name, rotate, required_flags, forbidden_flags);
-            if (! content.empty())
-            {
-                resources.mergeResources(
-                    QPDFObjectHandle::parse("<< /XObject << >> >>"));
+            if (!content.empty()) {
+                resources.mergeResources("<< /XObject << >> >>"_qpdf);
                 resources.getKey("/XObject").replaceKey(name, as);
                 ++next_fx;
             }
             new_content += content;
-        }
-        else if (process)
-        {
+        } else if (process) {
             // If an annotation has no appearance stream, just drop
             // the annotation when flattening. This can happen for
             // unchecked checkboxes and radio buttons, popup windows
             // associated with comments that aren't visible, and other
             // types of annotations that aren't visible.
-            QTC::TC("qpdf", "QPDFPageDocumentHelper ignore annotation with no appearance");
-        }
-        else
-        {
+            QTC::TC(
+                "qpdf",
+                "QPDFPageDocumentHelper ignore annotation with no appearance");
+        } else {
             new_annots.push_back(aoh.getObjectHandle());
         }
     }
-    if (new_annots.size() != annots.size())
-    {
+    if (new_annots.size() != annots.size()) {
         QPDFObjectHandle page_oh = page.getObjectHandle();
-        if (new_annots.empty())
-        {
+        if (new_annots.empty()) {
             QTC::TC("qpdf", "QPDFPageDocumentHelper remove annots");
             page_oh.removeKey("/Annots");
-        }
-        else
-        {
+        } else {
             QPDFObjectHandle old_annots = page_oh.getKey("/Annots");
             QPDFObjectHandle new_annots_oh =
                 QPDFObjectHandle::newArray(new_annots);
-            if (old_annots.isIndirect())
-            {
-                QTC::TC("qpdf", "QPDFPageDocumentHelper replace indirect annots");
-                this->qpdf.replaceObject(
-                    old_annots.getObjGen(), new_annots_oh);
-            }
-            else
-            {
+            if (old_annots.isIndirect()) {
+                QTC::TC(
+                    "qpdf", "QPDFPageDocumentHelper replace indirect annots");
+                this->qpdf.replaceObject(old_annots.getObjGen(), new_annots_oh);
+            } else {
                 QTC::TC("qpdf", "QPDFPageDocumentHelper replace direct annots");
                 page_oh.replaceKey("/Annots", new_annots_oh);
             }
         }
-        page.addPageContents(
-            QPDFObjectHandle::newStream(&qpdf, "q\n"), true);
+        page.addPageContents(QPDFObjectHandle::newStream(&qpdf, "q\n"), true);
         page.addPageContents(
             QPDFObjectHandle::newStream(&qpdf, "\nQ\n" + new_content), false);
     }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFPageLabelDocumentHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFPageLabelDocumentHelper.cc Changed

@@ -1,69 +1,60 @@
 #include <qpdf/QPDFPageLabelDocumentHelper.hh>
-#include <qpdf/QTC.hh>
-
-QPDFPageLabelDocumentHelper::Members::~Members()
-{
-}
 
-QPDFPageLabelDocumentHelper::Members::Members()
-{
-}
+#include <qpdf/QTC.hh>
 
 QPDFPageLabelDocumentHelper::QPDFPageLabelDocumentHelper(QPDF& qpdf) :
     QPDFDocumentHelper(qpdf),
     m(new Members())
 {
     QPDFObjectHandle root = qpdf.getRoot();
-    if (root.hasKey("/PageLabels"))
-    {
-        this->m->labels = new QPDFNumberTreeObjectHelper(
-            root.getKey("/PageLabels"));
+    if (root.hasKey("/PageLabels")) {
+        this->m->labels = std::make_shared<QPDFNumberTreeObjectHelper>(
+            root.getKey("/PageLabels"), this->qpdf);
     }
 }
 
 bool
 QPDFPageLabelDocumentHelper::hasPageLabels()
 {
-    return 0 != this->m->labels.getPointer();
+    return nullptr != this->m->labels;
 }
 
 QPDFObjectHandle
 QPDFPageLabelDocumentHelper::getLabelForPage(long long page_idx)
 {
     QPDFObjectHandle result(QPDFObjectHandle::newNull());
-    if (! hasPageLabels())
-    {
+    if (!hasPageLabels()) {
         return result;
     }
     QPDFNumberTreeObjectHelper::numtree_number offset = 0;
     QPDFObjectHandle label;
-    if (! this->m->labels->findObjectAtOrBelow(page_idx, label, offset))
-    {
+    if (!this->m->labels->findObjectAtOrBelow(page_idx, label, offset)) {
         return result;
     }
-    if (! label.isDictionary())
-    {
+    if (!label.isDictionary()) {
         return result;
     }
     QPDFObjectHandle S = label.getKey("/S");   // type (D, R, r, A, a)
     QPDFObjectHandle P = label.getKey("/P");   // prefix
     QPDFObjectHandle St = label.getKey("/St"); // starting number
     long long start = 1;
-    if (St.isInteger())
-    {
+    if (St.isInteger()) {
         start = St.getIntValue();
     }
+    QIntC::range_check(start, offset);
     start += offset;
     result = QPDFObjectHandle::newDictionary();
-    result.replaceOrRemoveKey("/S", S);
-    result.replaceOrRemoveKey("/P", P);
-    result.replaceOrRemoveKey("/St", QPDFObjectHandle::newInteger(start));
+    result.replaceKey("/S", S);
+    result.replaceKey("/P", P);
+    result.replaceKey("/St", QPDFObjectHandle::newInteger(start));
     return result;
 }
 
 void
 QPDFPageLabelDocumentHelper::getLabelsForPageRange(
-    long long start_idx, long long end_idx, long long new_start_idx,
+    long long start_idx,
+    long long end_idx,
+    long long new_start_idx,
     std::vector<QPDFObjectHandle>& new_labels)
 {
     // Start off with a suitable label for the first page. For every
@@ -73,8 +64,7 @@
     // that would match how the page would look in a new file in which
     // it also didn't have an explicit label.
     QPDFObjectHandle label = getLabelForPage(start_idx);
-    if (label.isNull())
-    {
+    if (label.isNull()) {
         label = QPDFObjectHandle::newDictionary();
         label.replaceKey(
             "/St", QPDFObjectHandle::newInteger(1 + new_start_idx));
@@ -83,43 +73,33 @@
     // in the vector. If so, don't add it.
     size_t size = new_labels.size();
     bool skip_first = false;
-    if (size >= 2)
-    {
+    if (size >= 2) {
         QPDFObjectHandle last = new_labels.at(size - 1);
         QPDFObjectHandle last_idx = new_labels.at(size - 2);
         if (last_idx.isInteger() && last.isDictionary() &&
             (label.getKey("/S").unparse() == last.getKey("/S").unparse()) &&
             (label.getKey("/P").unparse() == last.getKey("/P").unparse()) &&
-            label.getKey("/St").isInteger() &&
-            last.getKey("/St").isInteger())
-        {
-            long long int st_delta =
-                label.getKey("/St").getIntValue() -
+            label.getKey("/St").isInteger() && last.getKey("/St").isInteger()) {
+            long long int st_delta = label.getKey("/St").getIntValue() -
                 last.getKey("/St").getIntValue();
-            long long int idx_delta =
-                new_start_idx - last_idx.getIntValue();
-            if (st_delta == idx_delta)
-            {
+            long long int idx_delta = new_start_idx - last_idx.getIntValue();
+            if (st_delta == idx_delta) {
                 QTC::TC("qpdf", "QPDFPageLabelDocumentHelper skip first");
                 skip_first = true;
             }
         }
     }
-    if (! skip_first)
-    {
+    if (!skip_first) {
         new_labels.push_back(QPDFObjectHandle::newInteger(new_start_idx));
         new_labels.push_back(label);
     }
 
     long long int idx_offset = new_start_idx - start_idx;
-    for (long long i = start_idx + 1; i <= end_idx; ++i)
-    {
+    for (long long i = start_idx + 1; i <= end_idx; ++i) {
         if (this->m->labels->hasIndex(i) &&
-            (label = getLabelForPage(i)).isDictionary())
-        {
+            (label = getLabelForPage(i)).isDictionary()) {
             new_labels.push_back(QPDFObjectHandle::newInteger(i + idx_offset));
             new_labels.push_back(label);
         }
     }
 }
-

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFPageObjectHelper.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFPageObjectHelper.cc Changed

@@ -1,64 +1,68 @@
 #include <qpdf/QPDFPageObjectHelper.hh>
-#include <qpdf/QTC.hh>
-#include <qpdf/QPDF.hh>
-#include <qpdf/Pl_Concatenate.hh>
+
 #include <qpdf/Pl_Buffer.hh>
-#include <qpdf/QUtil.hh>
+#include <qpdf/Pl_Concatenate.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFAcroFormDocumentHelper.hh>
 #include <qpdf/QPDFExc.hh>
 #include <qpdf/QPDFMatrix.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/ResourceFinder.hh>
 
-class ContentProvider: public QPDFObjectHandle::StreamDataProvider
+namespace
 {
-  public:
-    ContentProvider(QPDFObjectHandle from_page) :
-        from_page(from_page)
+    class ContentProvider: public QPDFObjectHandle::StreamDataProvider
     {
-    }
-    virtual ~ContentProvider()
-    {
-    }
-    virtual void provideStreamData(int objid, int generation,
-                                   Pipeline* pipeline);
+      public:
+        ContentProvider(QPDFObjectHandle from_page) :
+            from_page(from_page)
+        {
+        }
+        virtual ~ContentProvider() = default;
+        virtual void provideStreamData(QPDFObjGen const&, Pipeline* pipeline);
 
-  private:
-    QPDFObjectHandle from_page;
-};
+      private:
+        QPDFObjectHandle from_page;
+    };
+} // namespace
 
 void
-ContentProvider::provideStreamData(int, int, Pipeline* p)
+ContentProvider::provideStreamData(QPDFObjGen const&, Pipeline* p)
 {
     Pl_Concatenate concat("concatenate", p);
-    std::string description = "contents from page object " +
-        QUtil::int_to_string(from_page.getObjectID()) + " " +
-        QUtil::int_to_string(from_page.getGeneration());
+    std::string description =
+        "contents from page object " + from_page.getObjGen().unparse(' ');
     std::string all_description;
-    from_page.getKey("/Contents").pipeContentStreams(
-        &concat, description, all_description);
+    from_page.getKey("/Contents")
+        .pipeContentStreams(&concat, description, all_description);
     concat.manualFinish();
 }
 
-class InlineImageTracker: public QPDFObjectHandle::TokenFilter
+namespace
 {
-  public:
-    InlineImageTracker(QPDF*, size_t min_size, QPDFObjectHandle resources);
-    virtual ~InlineImageTracker()
+    class InlineImageTracker: public QPDFObjectHandle::TokenFilter
     {
-    }
-    virtual void handleToken(QPDFTokenizer::Token const&);
-    QPDFObjectHandle convertIIDict(QPDFObjectHandle odict);
-
-    QPDF* qpdf;
-    size_t min_size;
-    QPDFObjectHandle resources;
-    std::string dict_str;
-    std::string bi_str;
-    int min_suffix;
-    bool any_images;
-    enum { st_top, st_bi } state;
-};
-
-InlineImageTracker::InlineImageTracker(QPDF* qpdf, size_t min_size,
-                                       QPDFObjectHandle resources) :
+      public:
+        InlineImageTracker(QPDF*, size_t min_size, QPDFObjectHandle resources);
+        virtual ~InlineImageTracker() = default;
+        virtual void handleToken(QPDFTokenizer::Token const&);
+        QPDFObjectHandle convertIIDict(QPDFObjectHandle odict);
+
+        QPDF* qpdf;
+        size_t min_size;
+        QPDFObjectHandle resources;
+        std::string dict_str;
+        std::string bi_str;
+        int min_suffix;
+        bool any_images;
+        enum { st_top, st_bi } state;
+    };
+} // namespace
+
+InlineImageTracker::InlineImageTracker(
+    QPDF* qpdf, size_t min_size, QPDFObjectHandle resources) :
     qpdf(qpdf),
     min_size(min_size),
     resources(resources),
@@ -75,142 +79,96 @@
     dict.replaceKey("/Type", QPDFObjectHandle::newName("/XObject"));
     dict.replaceKey("/Subtype", QPDFObjectHandle::newName("/Image"));
     std::set<std::string> keys = odict.getKeys();
-    for (std::set<std::string>::iterator iter = keys.begin();
-         iter != keys.end(); ++iter)
-    {
-        std::string key = *iter;
+    for (auto key: keys) {
         QPDFObjectHandle value = odict.getKey(key);
-        if (key == "/BPC")
-        {
+        if (key == "/BPC") {
             key = "/BitsPerComponent";
-        }
-        else if (key == "/CS")
-        {
+        } else if (key == "/CS") {
             key = "/ColorSpace";
-        }
-        else if (key == "/D")
-        {
+        } else if (key == "/D") {
             key = "/Decode";
-        }
-        else if (key == "/DP")
-        {
+        } else if (key == "/DP") {
             key = "/DecodeParms";
-        }
-        else if (key == "/F")
-        {
+        } else if (key == "/F") {
             key = "/Filter";
-        }
-        else if (key == "/H")
-        {
+        } else if (key == "/H") {
             key = "/Height";
-        }
-        else if (key == "/IM")
-        {
+        } else if (key == "/IM") {
             key = "/ImageMask";
-        }
-        else if (key == "/I")
-        {
+        } else if (key == "/I") {
             key = "/Interpolate";
-        }
-        else if (key == "/W")
-        {
+        } else if (key == "/W") {
             key = "/Width";
         }
 
-        if (key == "/ColorSpace")
-        {
-            if (value.isName())
-            {
+        if (key == "/ColorSpace") {
+            if (value.isName()) {
                 std::string name = value.getName();
-                if (name == "/G")
-                {
+                if (name == "/G") {
                     name = "/DeviceGray";
-                }
-                else if (name == "/RGB")
-                {
+                } else if (name == "/RGB") {
                     name = "/DeviceRGB";
-                }
-                else if (name == "/CMYK")
-                {
+                } else if (name == "/CMYK") {
                     name = "/DeviceCMYK";
-                }
-                else if (name == "/I")
-                {
+                } else if (name == "/I") {
                     name = "/Indexed";
-                }
-                else
-                {
+                } else {
+                    // This is a key in the page's /Resources ->
+                    // /ColorSpace dictionary. We need to look it up
+                    // and use its value as the color space for the
+                    // image.
+                    QPDFObjectHandle colorspace =
+                        resources.getKey("/ColorSpace");
+                    if (colorspace.isDictionary() && colorspace.hasKey(name)) {
+                        QTC::TC(
+                            "qpdf", "QPDFPageObjectHelper colorspace lookup");
+                        value = colorspace.getKey(name);
+                    } else {
+                        resources.warnIfPossible(
+                            "unable to resolve colorspace " + name);
+                    }
                     name.clear();
                 }
-                if (! name.empty())
-                {
+                if (!name.empty()) {
                     value = QPDFObjectHandle::newName(name);
                 }
             }
-        }
-        else if (key == "/Filter")
-        {
+        } else if (key == "/Filter") {
             std::vector<QPDFObjectHandle> filters;
-            if (value.isName())
-            {
+            if (value.isName()) {
                 filters.push_back(value);
-            }
-            else if (value.isArray())
-            {
+            } else if (value.isArray()) {
                 filters = value.getArrayAsVector();
             }
-            for (std::vector<QPDFObjectHandle>::iterator iter =
-                     filters.begin();
-                 iter != filters.end(); ++iter)
-            {
+            for (auto& iter: filters) {
                 std::string name;
-                if ((*iter).isName())
-                {
-                    name = (*iter).getName();
+                if (iter.isName()) {
+                    name = iter.getName();
                 }
-                if (name == "/AHx")
-                {
+                if (name == "/AHx") {
                     name = "/ASCIIHexDecode";
-                }
-                else if (name == "/A85")
-                {
+                } else if (name == "/A85") {
                     name = "/ASCII85Decode";
-                }
-                else if (name == "/LZW")
-                {
+                } else if (name == "/LZW") {
                     name = "/LZWDecode";
-                }
-                else if (name == "/Fl")
-                {
+                } else if (name == "/Fl") {
                     name = "/FlateDecode";
-                }
-                else if (name == "/RL")
-                {
+                } else if (name == "/RL") {
                     name = "/RunLengthDecode";
-                }
-                else if (name == "/CCF")
-                {
+                } else if (name == "/CCF") {
                     name = "/CCITTFaxDecode";
-                }
-                else if (name == "/DCT")
-                {
+                } else if (name == "/DCT") {
                     name = "/DCTDecode";
-                }
-                else
-                {
+                } else {
                     name.clear();
                 }
-                if (! name.empty())
-                {
-                    *iter = QPDFObjectHandle::newName(name);
+                if (!name.empty()) {
+                    iter = QPDFObjectHandle::newName(name);
                 }
             }
-            if (value.isName() && (filters.size() == 1))
-            {
+            if (value.isName() && (filters.size() == 1)) {
                 value = filters.at(0);
-            }
-            else if (value.isArray())
-            {
+            } else if (value.isArray()) {
                 value = QPDFObjectHandle::newArray(filters);
             }
         }
@@ -222,165 +180,315 @@
 void
 InlineImageTracker::handleToken(QPDFTokenizer::Token const& token)
 {
-    if (state == st_bi)
-    {
-        if (token.getType() == QPDFTokenizer::tt_inline_image)
-        {
+    if (state == st_bi) {
+        if (token.getType() == QPDFTokenizer::tt_inline_image) {
             std::string image_data(token.getValue());
             size_t len = image_data.length();
-            if (len >= this->min_size)
-            {
-                QTC::TC("qpdf", "QPDFPageObjectHelper externalize inline image");
+            if (len >= this->min_size) {
+                QTC::TC(
+                    "qpdf", "QPDFPageObjectHelper externalize inline image");
                 Pl_Buffer b("image_data");
-                b.write(QUtil::unsigned_char_pointer(image_data), len);
+                b.writeString(image_data);
                 b.finish();
                 QPDFObjectHandle dict =
                     convertIIDict(QPDFObjectHandle::parse(dict_str));
-                dict.replaceKey("/Length", QPDFObjectHandle::newInteger(len));
-                std::string name = resources.getUniqueResourceName(
-                    "/IIm", this->min_suffix);
+                dict.replaceKey(
+                    "/Length",
+                    QPDFObjectHandle::newInteger(QIntC::to_longlong(len)));
+                std::string name =
+                    resources.getUniqueResourceName("/IIm", this->min_suffix);
                 QPDFObjectHandle image = QPDFObjectHandle::newStream(
-                    this->qpdf, b.getBuffer());
+                    this->qpdf, b.getBufferSharedPointer());
                 image.replaceDict(dict);
                 resources.getKey("/XObject").replaceKey(name, image);
                 write(name);
                 write(" Do\n");
                 any_images = true;
-            }
-            else
-            {
+            } else {
                 QTC::TC("qpdf", "QPDFPageObjectHelper keep inline image");
                 write(bi_str);
                 writeToken(token);
                 state = st_top;
             }
-        }
-        else if (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "ID"))
-        {
+        } else if (
+            token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "ID")) {
             bi_str += token.getValue();
             dict_str += " >>";
-        }
-        else if (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "EI"))
-        {
+        } else if (
+            token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "EI")) {
             state = st_top;
+        } else {
+            bi_str += token.getRawValue();
+            dict_str += token.getRawValue();
         }
-        else
-        {
-            bi_str += token.getValue();
-            dict_str += token.getValue();
-        }
-    }
-    else if (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "BI"))
-    {
+    } else if (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "BI")) {
         bi_str = token.getValue();
         dict_str = "<< ";
         state = st_bi;
-    }
-    else
-    {
+    } else {
         writeToken(token);
     }
 }
 
-QPDFPageObjectHelper::Members::~Members()
-{
-}
-
-QPDFPageObjectHelper::Members::Members()
-{
-}
-
 QPDFPageObjectHelper::QPDFPageObjectHelper(QPDFObjectHandle oh) :
     QPDFObjectHelper(oh)
 {
 }
 
 QPDFObjectHandle
-QPDFPageObjectHelper::getAttribute(std::string const& name,
-                                   bool copy_if_shared)
+QPDFPageObjectHelper::getAttribute(std::string const& name, bool copy_if_shared)
 {
-    bool inheritable = ((name == "/MediaBox") || (name == "/CropBox") ||
-                        (name == "/Resources") || (name == "/Rotate"));
+    return getAttribute(name, copy_if_shared, nullptr, false);
+}
 
-    QPDFObjectHandle node = this->oh;
-    QPDFObjectHandle result(node.getKey(name));
-    std::set<QPDFObjGen> seen;
+QPDFObjectHandle
+QPDFPageObjectHelper::getAttribute(
+    std::string const& name,
+    bool copy_if_shared,
+    std::function<QPDFObjectHandle()> get_fallback,
+    bool copy_if_fallback)
+{
+    QPDFObjectHandle result;
+    QPDFObjectHandle dict;
+    bool is_form_xobject = this->oh.isFormXObject();
     bool inherited = false;
-    while (inheritable && result.isNull() && node.hasKey("/Parent"))
-    {
-        seen.insert(node.getObjGen());
-        node = node.getKey("/Parent");
-        if (seen.count(node.getObjGen()))
-        {
-            break;
-        }
+    if (is_form_xobject) {
+        dict = this->oh.getDict();
+        result = dict.getKey(name);
+    } else {
+        dict = this->oh;
+        bool inheritable =
+            ((name == "/MediaBox") || (name == "/CropBox") ||
+             (name == "/Resources") || (name == "/Rotate"));
+
+        QPDFObjectHandle node = dict;
         result = node.getKey(name);
-        if (! result.isNull())
-        {
-            QTC::TC("qpdf", "QPDFPageObjectHelper non-trivial inheritance");
-            inherited = true;
+        std::set<QPDFObjGen> seen;
+        while (inheritable && result.isNull() && node.hasKey("/Parent")) {
+            seen.insert(node.getObjGen());
+            node = node.getKey("/Parent");
+            if (seen.count(node.getObjGen())) {
+                break;
+            }
+            result = node.getKey(name);
+            if (!result.isNull()) {
+                QTC::TC("qpdf", "QPDFPageObjectHelper non-trivial inheritance");
+                inherited = true;
+            }
         }
     }
-    if (copy_if_shared && (inherited || result.isIndirect()))
-    {
-        QTC::TC("qpdf", "QPDFPageObjectHelper copy shared attribute");
-        result = result.shallowCopy();
-        this->oh.replaceKey(name, result);
+    if (copy_if_shared && (inherited || result.isIndirect())) {
+        QTC::TC(
+            "qpdf",
+            "QPDFPageObjectHelper copy shared attribute",
+            is_form_xobject ? 0 : 1);
+        result = dict.replaceKeyAndGetNew(name, result.shallowCopy());
+    }
+    if (result.isNull() && get_fallback) {
+        result = get_fallback();
+        if (copy_if_fallback && !result.isNull()) {
+            QTC::TC("qpdf", "QPDFPageObjectHelper copied fallback");
+            result = dict.replaceKeyAndGetNew(name, result.shallowCopy());
+        } else {
+            QTC::TC(
+                "qpdf", "QPDFPageObjectHelper used fallback without copying");
+        }
     }
     return result;
 }
 
 QPDFObjectHandle
-QPDFPageObjectHelper::getTrimBox(bool copy_if_shared)
+QPDFPageObjectHelper::getMediaBox(bool copy_if_shared)
 {
-    QPDFObjectHandle result = getAttribute("/TrimBox", copy_if_shared);
-    if (result.isNull())
-    {
-        result = getCropBox(copy_if_shared);
-    }
-    return result;
+    return getAttribute("/MediaBox", copy_if_shared);
 }
 
 QPDFObjectHandle
-QPDFPageObjectHelper::getCropBox(bool copy_if_shared)
+QPDFPageObjectHelper::getCropBox(bool copy_if_shared, bool copy_if_fallback)
 {
-    QPDFObjectHandle result = getAttribute("/CropBox", copy_if_shared);
-    if (result.isNull())
-    {
-        result = getMediaBox();
-    }
-    return result;
+    return getAttribute(
+        "/CropBox",
+        copy_if_shared,
+        this, copy_if_shared() { return this->getMediaBox(copy_if_shared); },
+        copy_if_fallback);
 }
 
 QPDFObjectHandle
-QPDFPageObjectHelper::getMediaBox(bool copy_if_shared)
+QPDFPageObjectHelper::getTrimBox(bool copy_if_shared, bool copy_if_fallback)
 {
-    return getAttribute("/MediaBox", copy_if_shared);
+    return getAttribute(
+        "/TrimBox",
+        copy_if_shared,
+        this, copy_if_shared, copy_if_fallback() {
+            return this->getCropBox(copy_if_shared, copy_if_fallback);
+        },
+        copy_if_fallback);
+}
+
+QPDFObjectHandle
+QPDFPageObjectHelper::getArtBox(bool copy_if_shared, bool copy_if_fallback)
+{
+    return getAttribute(
+        "/ArtBox",
+        copy_if_shared,
+        this, copy_if_shared, copy_if_fallback() {
+            return this->getCropBox(copy_if_shared, copy_if_fallback);
+        },
+        copy_if_fallback);
+}
+
+QPDFObjectHandle
+QPDFPageObjectHelper::getBleedBox(bool copy_if_shared, bool copy_if_fallback)
+{
+    return getAttribute(
+        "/BleedBox",
+        copy_if_shared,
+        this, copy_if_shared, copy_if_fallback() {
+            return this->getCropBox(copy_if_shared, copy_if_fallback);
+        },
+        copy_if_fallback);
+}
+
+void
+QPDFPageObjectHelper::forEachXObject(
+    bool recursive,
+    std::function<void(
+        QPDFObjectHandle& obj,
+        QPDFObjectHandle& xobj_dict,
+        std::string const& key)> action,
+    std::function<bool(QPDFObjectHandle)> selector)
+{
+    QTC::TC(
+        "qpdf",
+        "QPDFPageObjectHelper::forEachXObject",
+        recursive ? (this->oh.isFormXObject() ? 0 : 1)
+                  : (this->oh.isFormXObject() ? 2 : 3));
+    std::set<QPDFObjGen> seen;
+    std::list<QPDFPageObjectHelper> queue;
+    queue.push_back(*this);
+    while (!queue.empty()) {
+        QPDFPageObjectHelper ph = queue.front();
+        queue.pop_front();
+        QPDFObjGen og = ph.oh.getObjGen();
+        if (seen.count(og)) {
+            continue;
+        }
+        seen.insert(og);
+        QPDFObjectHandle resources = ph.getAttribute("/Resources", false);
+        if (resources.isDictionary() && resources.hasKey("/XObject")) {
+            QPDFObjectHandle xobj_dict = resources.getKey("/XObject");
+            for (auto const& key: xobj_dict.getKeys()) {
+                QPDFObjectHandle obj = xobj_dict.getKey(key);
+                if ((!selector) || selector(obj)) {
+                    action(obj, xobj_dict, key);
+                }
+                if (recursive && obj.isFormXObject()) {
+                    queue.push_back(QPDFPageObjectHelper(obj));
+                }
+            }
+        }
+    }
+}
+
+void
+QPDFPageObjectHelper::forEachImage(
+    bool recursive,
+    std::function<void(
+        QPDFObjectHandle& obj,
+        QPDFObjectHandle& xobj_dict,
+        std::string const& key)> action)
+{
+    forEachXObject(
+        recursive, action, (QPDFObjectHandle obj) { return obj.isImage(); });
+}
+
+void
+QPDFPageObjectHelper::forEachFormXObject(
+    bool recursive,
+    std::function<void(
+        QPDFObjectHandle& obj,
+        QPDFObjectHandle& xobj_dict,
+        std::string const& key)> action)
+{
+    forEachXObject(recursive, action, (QPDFObjectHandle obj) {
+        return obj.isFormXObject();
+    });
 }
 
 std::map<std::string, QPDFObjectHandle>
 QPDFPageObjectHelper::getPageImages()
 {
-    return this->oh.getPageImages();
+    return getImages();
+}
+
+std::map<std::string, QPDFObjectHandle>
+QPDFPageObjectHelper::getImages()
+{
+    std::map<std::string, QPDFObjectHandle> result;
+    forEachImage(
+        false,
+        &result(
+            QPDFObjectHandle& obj, QPDFObjectHandle&, std::string const& key) {
+            resultkey = obj;
+        });
+    return result;
+}
+
+std::map<std::string, QPDFObjectHandle>
+QPDFPageObjectHelper::getFormXObjects()
+{
+    std::map<std::string, QPDFObjectHandle> result;
+    forEachFormXObject(
+        false,
+        &result(
+            QPDFObjectHandle& obj, QPDFObjectHandle&, std::string const& key) {
+            resultkey = obj;
+        });
+    return result;
 }
 
 void
-QPDFPageObjectHelper::externalizeInlineImages(size_t min_size)
-{
-    QPDFObjectHandle resources = getAttribute("/Resources", true);
-    // Calling mergeResources also ensures that /XObject becomes
-    // direct and is not shared with other pages.
-    resources.mergeResources(
-        QPDFObjectHandle::parse("<< /XObject << >> >>"));
-    InlineImageTracker iit(this->oh.getOwningQPDF(), min_size, resources);
-    Pl_Buffer b("new page content");
-    filterPageContents(&iit, &b);
-    if (iit.any_images)
-    {
-        getObjectHandle().replaceKey(
-            "/Contents",
-            QPDFObjectHandle::newStream(
-                this->oh.getOwningQPDF(), b.getBuffer()));
+QPDFPageObjectHelper::externalizeInlineImages(size_t min_size, bool shallow)
+{
+    if (shallow) {
+        QPDFObjectHandle resources = getAttribute("/Resources", true);
+        // Calling mergeResources also ensures that /XObject becomes
+        // direct and is not shared with other pages.
+        resources.mergeResources("<< /XObject << >> >>"_qpdf);
+        InlineImageTracker iit(this->oh.getOwningQPDF(), min_size, resources);
+        Pl_Buffer b("new page content");
+        bool filtered = false;
+        try {
+            filterContents(&iit, &b);
+            filtered = true;
+        } catch (std::exception& e) {
+            this->oh.warnIfPossible(
+                std::string("Unable to filter content stream: ") + e.what() +
+                "; not attempting to externalize inline images"
+                " from this stream");
+        }
+        if (filtered && iit.any_images) {
+            if (this->oh.isFormXObject()) {
+                this->oh.replaceStreamData(
+                    b.getBufferSharedPointer(),
+                    QPDFObjectHandle::newNull(),
+                    QPDFObjectHandle::newNull());
+            } else {
+                this->oh.replaceKey(
+                    "/Contents",
+                    QPDFObjectHandle::newStream(
+                        &this->oh.getQPDF(), b.getBufferSharedPointer()));
+            }
+        }
+    } else {
+        externalizeInlineImages(min_size, true);
+        forEachFormXObject(
+            true,
+            min_size(
+                QPDFObjectHandle& obj, QPDFObjectHandle&, std::string const&) {
+                QPDFPageObjectHelper(obj).externalizeInlineImages(
+                    min_size, true);
+            });
     }
 }
 
@@ -389,17 +497,11 @@
 {
     std::vector<QPDFAnnotationObjectHelper> result;
     QPDFObjectHandle annots = this->oh.getKey("/Annots");
-    if (annots.isArray())
-    {
-        size_t nannots = annots.getArrayNItems();
-        for (size_t i = 0; i < nannots; ++i)
-        {
+    if (annots.isArray()) {
+        int nannots = annots.getArrayNItems();
+        for (int i = 0; i < nannots; ++i) {
             QPDFObjectHandle annot = annots.getArrayItem(i);
-            if (only_subtype.empty() ||
-                (annot.isDictionary() &&
-                 annot.getKey("/Subtype").isName() &&
-                 (only_subtype == annot.getKey("/Subtype").getName())))
-            {
+            if (annot.isDictionaryOfType("", only_subtype)) {
                 result.push_back(QPDFAnnotationObjectHelper(annot));
             }
         }
@@ -435,128 +537,201 @@
 QPDFPageObjectHelper::parsePageContents(
     QPDFObjectHandle::ParserCallbacks* callbacks)
 {
-    this->oh.parsePageContents(callbacks);
+    parseContents(callbacks);
 }
 
 void
-QPDFPageObjectHelper::filterPageContents(
-    QPDFObjectHandle::TokenFilter* filter,
-    Pipeline* next)
+QPDFPageObjectHelper::parseContents(
+    QPDFObjectHandle::ParserCallbacks* callbacks)
 {
-    this->oh.filterPageContents(filter, next);
+    if (this->oh.isFormXObject()) {
+        this->oh.parseAsContents(callbacks);
+    } else {
+        this->oh.parsePageContents(callbacks);
+    }
 }
 
 void
-QPDFPageObjectHelper::pipePageContents(Pipeline* p)
+QPDFPageObjectHelper::filterPageContents(
+    QPDFObjectHandle::TokenFilter* filter, Pipeline* next)
 {
-    this->oh.pipePageContents(p);
+    return filterContents(filter, next);
 }
 
 void
-QPDFPageObjectHelper::addContentTokenFilter(
-    PointerHolder<QPDFObjectHandle::TokenFilter> token_filter)
+QPDFPageObjectHelper::filterContents(
+    QPDFObjectHandle::TokenFilter* filter, Pipeline* next)
 {
-    this->oh.addContentTokenFilter(token_filter);
+    if (this->oh.isFormXObject()) {
+        this->oh.filterAsContents(filter, next);
+    } else {
+        this->oh.filterPageContents(filter, next);
+    }
 }
 
-class NameWatcher: public QPDFObjectHandle::TokenFilter
+void
+QPDFPageObjectHelper::pipePageContents(Pipeline* p)
 {
-  public:
-    NameWatcher() :
-        saw_bad(false)
-    {
-    }
-    virtual ~NameWatcher()
-    {
-    }
-    virtual void handleToken(QPDFTokenizer::Token const&);
-    std::set<std::string> names;
-    bool saw_bad;
-};
+    pipeContents(p);
+}
 
 void
-NameWatcher::handleToken(QPDFTokenizer::Token const& token)
+QPDFPageObjectHelper::pipeContents(Pipeline* p)
 {
-    if (token.getType() == QPDFTokenizer::tt_name)
-    {
-        // Create a name object and get its name. This canonicalizes
-        // the representation of the name
-        this->names.insert(
-            QPDFObjectHandle::newName(token.getValue()).getName());
+    if (this->oh.isFormXObject()) {
+        this->oh.pipeStreamData(p, 0, qpdf_dl_specialized);
+    } else {
+        this->oh.pipePageContents(p);
     }
-    else if (token.getType() == QPDFTokenizer::tt_bad)
-    {
-        saw_bad = true;
-    }
-    writeToken(token);
 }
 
 void
-QPDFPageObjectHelper::removeUnreferencedResources()
+QPDFPageObjectHelper::addContentTokenFilter(
+    std::shared_ptr<QPDFObjectHandle::TokenFilter> token_filter)
 {
-    NameWatcher nw;
-    try
-    {
-        filterPageContents(&nw);
+    if (this->oh.isFormXObject()) {
+        this->oh.addTokenFilter(token_filter);
+    } else {
+        this->oh.addContentTokenFilter(token_filter);
     }
-    catch (std::exception& e)
-    {
-        this->oh.warnIfPossible(
-            std::string("Unable to parse content stream: ") + e.what() +
-            "; not attempting to remove unreferenced objects from this page");
-        return;
+}
+
+bool
+QPDFPageObjectHelper::removeUnreferencedResourcesHelper(
+    QPDFPageObjectHelper ph, std::set<std::string>& unresolved)
+{
+    bool is_page = (!ph.oh.isFormXObject());
+    if (!is_page) {
+        QTC::TC("qpdf", "QPDFPageObjectHelper filter form xobject");
     }
-    if (nw.saw_bad)
-    {
+
+    ResourceFinder rf;
+    try {
+        auto q = ph.oh.getOwningQPDF();
+        size_t before_nw = (q ? q->numWarnings() : 0);
+        ph.parseContents(&rf);
+        size_t after_nw = (q ? q->numWarnings() : 0);
+        if (after_nw > before_nw) {
+            ph.oh.warnIfPossible(
+                "Bad token found while scanning content stream; "
+                "not attempting to remove unreferenced objects from"
+                " this object");
+            return false;
+        }
+    } catch (std::exception& e) {
         QTC::TC("qpdf", "QPDFPageObjectHelper bad token finding names");
-        this->oh.warnIfPossible(
-            "Bad token found while scanning content stream; "
-            "not attempting to remove unreferenced objects from this page");
-        return;
+        ph.oh.warnIfPossible(
+            std::string("Unable to parse content stream: ") + e.what() +
+            "; not attempting to remove unreferenced objects"
+            " from this object");
+        return false;
     }
-    // Walk through /Font and /XObject dictionaries, removing any
-    // resources that are not referenced. We must make copies of
+
+    // We will walk through /Font and /XObject dictionaries, removing
+    // any resources that are not referenced. We must make copies of
     // resource dictionaries down into the dictionaries are mutating
     // to prevent mutating one dictionary from having the side effect
     // of mutating the one it was copied from.
-    std::vector<std::string> to_filter;
-    to_filter.push_back("/Font");
-    to_filter.push_back("/XObject");
-    QPDFObjectHandle resources = getAttribute("/Resources", true);
-    for (std::vector<std::string>::iterator d_iter = to_filter.begin();
-         d_iter != to_filter.end(); ++d_iter)
-    {
-        QPDFObjectHandle dict = resources.getKey(*d_iter);
-        if (! dict.isDictionary())
-        {
-            continue;
+    QPDFObjectHandle resources = ph.getAttribute("/Resources", true);
+    std::vector<QPDFObjectHandle> rdicts;
+    std::set<std::string> known_names;
+    std::vector<std::string> to_filter = {"/Font", "/XObject"};
+    if (resources.isDictionary()) {
+        for (auto const& iter: to_filter) {
+            QPDFObjectHandle dict = resources.getKey(iter);
+            if (dict.isDictionary()) {
+                dict = resources.replaceKeyAndGetNew(iter, dict.shallowCopy());
+                rdicts.push_back(dict);
+                auto keys = dict.getKeys();
+                known_names.insert(keys.begin(), keys.end());
+            }
         }
-        dict = dict.shallowCopy();
-        resources.replaceKey(*d_iter, dict);
-        std::set<std::string> keys = dict.getKeys();
-        for (std::set<std::string>::iterator k_iter = keys.begin();
-             k_iter != keys.end(); ++k_iter)
-        {
-            if (! nw.names.count(*k_iter))
-            {
-                dict.removeKey(*k_iter);
+    }
+
+    std::set<std::string> local_unresolved;
+    auto names_by_rtype = rf.getNamesByResourceType();
+    for (auto const& i1: to_filter) {
+        for (auto const& n_iter: names_by_rtypei1) {
+            std::string const& name = n_iter.first;
+            if (!known_names.count(name)) {
+                unresolved.insert(name);
+                local_unresolved.insert(name);
             }
         }
     }
+    // Older versions of the PDF spec allowed form XObjects to omit
+    // their resources dictionaries, in which case names were resolved
+    // from the containing page. This behavior seems to be widely
+    // supported by viewers. If a form XObjects has a resources
+    // dictionary and has some unresolved names, some viewers fail to
+    // resolve them, and others allow them to be inherited from the
+    // page or from another form XObjects that contains them. Since
+    // this behavior is inconsistent across viewers, we consider an
+    // unresolved name when a resources dictionary is present to be
+    // reason not to remove unreferenced resources. An unresolved name
+    // in the absence of a resource dictionary is not considered a
+    // problem. For form XObjects, we just accumulate a list of
+    // unresolved names, and for page objects, we avoid removing any
+    // such names found in nested form XObjects.
+
+    if ((!local_unresolved.empty()) && resources.isDictionary()) {
+        // It's not worth issuing a warning for this case. From qpdf
+        // 10.3, we are hopefully only looking at names that are
+        // referencing fonts and XObjects, but until we're certain
+        // that we know the meaning of every name in a content stream,
+        // we don't want to give warnings that might be false
+        // positives. Also, this can happen in legitimate cases with
+        // older PDFs, and there's nothing to be done about it, so
+        // there's no good reason to issue a warning. The only sad
+        // thing is that it was a false positive that alerted me to a
+        // logic error in the code, and any future such errors would
+        // now be hidden.
+        QTC::TC("qpdf", "QPDFPageObjectHelper unresolved names");
+        return false;
+    }
+
+    for (auto& dict: rdicts) {
+        for (auto const& key: dict.getKeys()) {
+            if (is_page && unresolved.count(key)) {
+                // This name is referenced by some nested form
+                // xobject, so don't remove it.
+                QTC::TC("qpdf", "QPDFPageObjectHelper resolving unresolved");
+            } else if (!rf.getNames().count(key)) {
+                dict.removeKey(key);
+            }
+        }
+    }
+    return true;
+}
+
+void
+QPDFPageObjectHelper::removeUnreferencedResources()
+{
+    // Accumulate a list of unresolved names across all nested form
+    // XObjects.
+    std::set<std::string> unresolved;
+    bool any_failures = false;
+    forEachFormXObject(
+        true,
+        &any_failures, &unresolved(
+            QPDFObjectHandle& obj, QPDFObjectHandle&, std::string const&) {
+            if (!removeUnreferencedResourcesHelper(
+                    QPDFPageObjectHelper(obj), unresolved)) {
+                any_failures = true;
+            }
+        });
+    if (this->oh.isFormXObject() || (!any_failures)) {
+        removeUnreferencedResourcesHelper(*this, unresolved);
+    }
 }
 
 QPDFPageObjectHelper
 QPDFPageObjectHelper::shallowCopyPage()
 {
-    QPDF* qpdf = this->oh.getOwningQPDF();
-    if (! qpdf)
-    {
-        throw std::runtime_error(
-            "QPDFPageObjectHelper::shallowCopyPage"
-            " called with a direct object");
-    }
+    QPDF& qpdf = this->oh.getQPDF(
+        "QPDFPageObjectHelper::shallowCopyPage called with a direct object");
     QPDFObjectHandle new_page = this->oh.shallowCopy();
-    return QPDFPageObjectHelper(qpdf->makeIndirectObject(new_page));
+    return QPDFPageObjectHelper(qpdf.makeIndirectObject(new_page));
 }
 
 QPDFObjectHandle::Matrix
@@ -564,27 +739,21 @@
 {
     QPDFObjectHandle::Matrix matrix(1, 0, 0, 1, 0, 0);
     QPDFObjectHandle bbox = getTrimBox(false);
-    if (! bbox.isRectangle())
-    {
+    if (!bbox.isRectangle()) {
         return matrix;
     }
     QPDFObjectHandle rotate_obj = getAttribute("/Rotate", false);
     QPDFObjectHandle scale_obj = getAttribute("/UserUnit", false);
-    if (! (rotate_obj.isNull() && scale_obj.isNull()))
-    {
+    if (!(rotate_obj.isNull() && scale_obj.isNull())) {
         QPDFObjectHandle::Rectangle rect = bbox.getArrayAsRectangle();
         double width = rect.urx - rect.llx;
         double height = rect.ury - rect.lly;
-        double scale = (scale_obj.isNumber()
-                        ? scale_obj.getNumericValue()
-                        : 1.0);
-        int rotate = (rotate_obj.isInteger()
-                      ? rotate_obj.getIntValue()
-                      : 0);
-        if (invert)
-        {
-            if (scale == 0.0)
-            {
+        double scale =
+            (scale_obj.isNumber() ? scale_obj.getNumericValue() : 1.0);
+        int rotate =
+            (rotate_obj.isInteger() ? rotate_obj.getIntValueAsInt() : 0);
+        if (invert) {
+            if (scale == 0.0) {
                 return matrix;
             }
             scale = 1.0 / scale;
@@ -592,23 +761,21 @@
         }
 
         // Ignore invalid rotation angle
-        switch (rotate)
-        {
-          case 90:
-            matrix = QPDFObjectHandle::Matrix(
-                0, -scale, scale, 0, 0, width * scale);
+        switch (rotate) {
+        case 90:
+            matrix =
+                QPDFObjectHandle::Matrix(0, -scale, scale, 0, 0, width * scale);
             break;
-          case 180:
+        case 180:
             matrix = QPDFObjectHandle::Matrix(
                 -scale, 0, 0, -scale, width * scale, height * scale);
             break;
-          case 270:
+        case 270:
             matrix = QPDFObjectHandle::Matrix(
                 0, scale, -scale, 0, height * scale, 0);
             break;
-          default:
-            matrix = QPDFObjectHandle::Matrix(
-                scale, 0, 0, scale, 0, 0);
+        default:
+            matrix = QPDFObjectHandle::Matrix(scale, 0, 0, scale, 0, 0);
             break;
         }
     }
@@ -618,55 +785,49 @@
 QPDFObjectHandle
 QPDFPageObjectHelper::getFormXObjectForPage(bool handle_transformations)
 {
-    QPDF* qpdf = this->oh.getOwningQPDF();
-    if (! qpdf)
-    {
-        throw std::runtime_error(
-            "QPDFPageObjectHelper::getFormXObjectForPage"
-            " called with a direct object");
-    }
-    QPDFObjectHandle result = QPDFObjectHandle::newStream(qpdf);
+    QPDF& qpdf = this->oh.getQPDF(
+        "QPDFPageObjectHelper::getFormXObjectForPage called with a direct "
+        "object");
+    QPDFObjectHandle result = QPDFObjectHandle::newStream(&qpdf);
     QPDFObjectHandle newdict = result.getDict();
     newdict.replaceKey("/Type", QPDFObjectHandle::newName("/XObject"));
     newdict.replaceKey("/Subtype", QPDFObjectHandle::newName("/Form"));
-    newdict.replaceKey("/Resources",
-                       getAttribute("/Resources", false).shallowCopy());
-    newdict.replaceKey("/Group",
-                       getAttribute("/Group", false).shallowCopy());
+    newdict.replaceKey(
+        "/Resources", getAttribute("/Resources", false).shallowCopy());
+    newdict.replaceKey("/Group", getAttribute("/Group", false).shallowCopy());
     QPDFObjectHandle bbox = getTrimBox(false).shallowCopy();
-    if (! bbox.isRectangle())
-    {
-        this->oh.warnIfPossible(
-            "bounding box is invalid; form"
-            " XObject created from page will not work");
+    if (!bbox.isRectangle()) {
+        this->oh.warnIfPossible("bounding box is invalid; form"
+                                " XObject created from page will not work");
     }
     newdict.replaceKey("/BBox", bbox);
-    PointerHolder<QPDFObjectHandle::StreamDataProvider> provider =
-        new ContentProvider(this->oh);
+    auto provider = std::shared_ptr<QPDFObjectHandle::StreamDataProvider>(
+        new ContentProvider(this->oh));
     result.replaceStreamData(
         provider, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
     QPDFObjectHandle rotate_obj = getAttribute("/Rotate", false);
     QPDFObjectHandle scale_obj = getAttribute("/UserUnit", false);
     if (handle_transformations &&
-        (! (rotate_obj.isNull() && scale_obj.isNull())))
-    {
-        newdict.replaceKey("/Matrix",
-                           QPDFObjectHandle::newArray(
-                               getMatrixForTransformations()));
+        (!(rotate_obj.isNull() && scale_obj.isNull()))) {
+        newdict.replaceKey(
+            "/Matrix",
+            QPDFObjectHandle::newArray(getMatrixForTransformations()));
     }
 
     return result;
 }
 
-std::string
-QPDFPageObjectHelper::placeFormXObject(
-    QPDFObjectHandle fo, std::string name,
+QPDFMatrix
+QPDFPageObjectHelper::getMatrixForFormXObjectPlacement(
+    QPDFObjectHandle fo,
     QPDFObjectHandle::Rectangle rect,
-    bool invert_transformations)
+    bool invert_transformations,
+    bool allow_shrink,
+    bool allow_expand)
 {
     // Calculate the transformation matrix that will place the given
-    // form XObject fully inside the given rectangle, shrinking and
-    // centering if needed.
+    // form XObject fully inside the given rectangle, center and
+    // shrinking or expanding as needed if requested.
 
     // When rendering a form XObject, the transformation in the
     // graphics state (cm) is applied first (of course -- when it is
@@ -679,16 +840,14 @@
 
     QPDFObjectHandle fdict = fo.getDict();
     QPDFObjectHandle bbox_obj = fdict.getKey("/BBox");
-    if (! bbox_obj.isRectangle())
-    {
-        return "";
+    if (!bbox_obj.isRectangle()) {
+        return QPDFMatrix();
     }
 
-    QPDFMatrix wmatrix;         // work matrix
-    QPDFMatrix tmatrix;         // "to" matrix
-    QPDFMatrix fmatrix;         // "from" matrix
-    if (invert_transformations)
-    {
+    QPDFMatrix wmatrix; // work matrix
+    QPDFMatrix tmatrix; // "to" matrix
+    QPDFMatrix fmatrix; // "from" matrix
+    if (invert_transformations) {
         // tmatrix inverts scaling and rotation of the destination
         // page. Applying this matrix allows the overlaid form
         // XObject's to be absolute rather than relative to properties
@@ -697,8 +856,7 @@
         tmatrix = QPDFMatrix(getMatrixForTransformations(true));
         wmatrix.concat(tmatrix);
     }
-    if (fdict.getKey("/Matrix").isMatrix())
-    {
+    if (fdict.getKey("/Matrix").isMatrix()) {
         // fmatrix is the transformation matrix that is applied to the
         // form XObject itself. We need this for calculations, but we
         // don't explicitly use it in the final result because the PDF
@@ -719,12 +877,11 @@
     QPDFObjectHandle::Rectangle bbox = bbox_obj.getArrayAsRectangle();
     QPDFObjectHandle::Rectangle T = wmatrix.transformRectangle(bbox);
 
-    // Calculate a scale factor, if needed. If the transformed
-    // rectangle is too big, shrink it. Never expand it.
-    if ((T.urx == T.llx) || (T.ury == T.lly))
-    {
+    // Calculate a scale factor, if needed. Shrink or expand if needed
+    // and allowed.
+    if ((T.urx == T.llx) || (T.ury == T.lly)) {
         // avoid division by zero
-        return "";
+        return QPDFMatrix();
     }
     double rect_w = rect.urx - rect.llx;
     double rect_h = rect.ury - rect.lly;
@@ -733,9 +890,14 @@
     double xscale = rect_w / t_w;
     double yscale = rect_h / t_h;
     double scale = (xscale < yscale ? xscale : yscale);
-    if (scale > 1.0)
-    {
-        scale = 1.0;
+    if (scale > 1.0) {
+        if (!allow_expand) {
+            scale = 1.0;
+        }
+    } else if (scale < 1.0) {
+        if (!allow_shrink) {
+            scale = 1.0;
+        }
     }
 
     // Step 2: figure out what translation is required to get the
@@ -760,9 +922,229 @@
     cm.translate(tx, ty);
     cm.scale(scale, scale);
     cm.concat(tmatrix);
-    return (
-        "q\n" +
-        cm.unparse() + " cm\n" +
-        name + " Do\n" +
-        "Q\n");
+    return cm;
+}
+
+std::string
+QPDFPageObjectHelper::placeFormXObject(
+    QPDFObjectHandle fo,
+    std::string const& name,
+    QPDFObjectHandle::Rectangle rect,
+    bool invert_transformations,
+    bool allow_shrink,
+    bool allow_expand)
+{
+    QPDFMatrix cm;
+    return placeFormXObject(
+        fo, name, rect, cm, invert_transformations, allow_shrink, allow_expand);
+}
+
+std::string
+QPDFPageObjectHelper::placeFormXObject(
+    QPDFObjectHandle fo,
+    std::string const& name,
+    QPDFObjectHandle::Rectangle rect,
+    QPDFMatrix& cm,
+    bool invert_transformations,
+    bool allow_shrink,
+    bool allow_expand)
+{
+    cm = getMatrixForFormXObjectPlacement(
+        fo, rect, invert_transformations, allow_shrink, allow_expand);
+    return ("q\n" + cm.unparse() + " cm\n" + name + " Do\n" + "Q\n");
+}
+
+void
+QPDFPageObjectHelper::flattenRotation(QPDFAcroFormDocumentHelper* afdh)
+{
+    QPDF& qpdf = this->oh.getQPDF(
+        "QPDFPageObjectHelper::flattenRotation called with a direct object");
+    auto rotate_oh = this->oh.getKey("/Rotate");
+    int rotate = 0;
+    if (rotate_oh.isInteger()) {
+        rotate = rotate_oh.getIntValueAsInt();
+    }
+    if (!((rotate == 90) || (rotate == 180) || (rotate == 270))) {
+        return;
+    }
+    auto mediabox = this->oh.getKey("/MediaBox");
+    if (!mediabox.isRectangle()) {
+        return;
+    }
+    auto media_rect = mediabox.getArrayAsRectangle();
+
+    std::vector<std::string> boxes = {
+        "/MediaBox",
+        "/CropBox",
+        "/BleedBox",
+        "/TrimBox",
+        "/ArtBox",
+    };
+    for (auto const& boxkey: boxes) {
+        auto box = this->oh.getKey(boxkey);
+        if (!box.isRectangle()) {
+            continue;
+        }
+        auto rect = box.getArrayAsRectangle();
+        decltype(rect) new_rect;
+
+        // How far are the edges of our rectangle from the edges
+        // of the media box?
+        auto left_x = rect.llx - media_rect.llx;
+        auto right_x = media_rect.urx - rect.urx;
+        auto bottom_y = rect.lly - media_rect.lly;
+        auto top_y = media_rect.ury - rect.ury;
+
+        // Rotating the page 180 degrees does not change
+        // /MediaBox. Rotating 90 or 270 degrees reverses llx and
+        // lly and also reverse urx and ury. For all the other
+        // boxes, we want the corners to be the correct distance
+        // away from the corners of the mediabox.
+        switch (rotate) {
+        case 90:
+            new_rect.llx = media_rect.lly + bottom_y;
+            new_rect.urx = media_rect.ury - top_y;
+            new_rect.lly = media_rect.llx + right_x;
+            new_rect.ury = media_rect.urx - left_x;
+            break;
+
+        case 180:
+            new_rect.llx = media_rect.llx + right_x;
+            new_rect.urx = media_rect.urx - left_x;
+            new_rect.lly = media_rect.lly + top_y;
+            new_rect.ury = media_rect.ury - bottom_y;
+            break;
+
+        case 270:
+            new_rect.llx = media_rect.lly + top_y;
+            new_rect.urx = media_rect.ury - bottom_y;
+            new_rect.lly = media_rect.llx + left_x;
+            new_rect.ury = media_rect.urx - right_x;
+            break;
+
+        default:
+            // ignore
+            break;
+        }
+
+        this->oh.replaceKey(
+            boxkey, QPDFObjectHandle::newFromRectangle(new_rect));
+    }
+
+    // When we rotate the page, pivot about the point 0, 0 and then
+    // translate so the page is visible with the origin point being
+    // the same offset from the lower left corner of the media box.
+    // These calculations have been verified empirically with various
+    // PDF readers.
+    QPDFMatrix cm(0, 0, 0, 0, 0, 0);
+    switch (rotate) {
+    case 90:
+        cm.b = -1;
+        cm.c = 1;
+        cm.f = media_rect.urx + media_rect.llx;
+        break;
+
+    case 180:
+        cm.a = -1;
+        cm.d = -1;
+        cm.e = media_rect.urx + media_rect.llx;
+        cm.f = media_rect.ury + media_rect.lly;
+        break;
+
+    case 270:
+        cm.b = 1;
+        cm.c = -1;
+        cm.e = media_rect.ury + media_rect.lly;
+        break;
+
+    default:
+        break;
+    }
+    std::string cm_str = std::string("q\n") + cm.unparse() + " cm\n";
+    this->oh.addPageContents(QPDFObjectHandle::newStream(&qpdf, cm_str), true);
+    this->oh.addPageContents(
+        QPDFObjectHandle::newStream(&qpdf, "\nQ\n"), false);
+    this->oh.removeKey("/Rotate");
+    QPDFObjectHandle rotate_obj = getAttribute("/Rotate", false);
+    if (!rotate_obj.isNull()) {
+        QTC::TC("qpdf", "QPDFPageObjectHelper flatten inherit rotate");
+        this->oh.replaceKey("/Rotate", QPDFObjectHandle::newInteger(0));
+    }
+
+    QPDFObjectHandle annots = this->oh.getKey("/Annots");
+    if (annots.isArray()) {
+        std::vector<QPDFObjectHandle> new_annots;
+        std::vector<QPDFObjectHandle> new_fields;
+        std::set<QPDFObjGen> old_fields;
+        std::shared_ptr<QPDFAcroFormDocumentHelper> afdhph;
+        if (!afdh) {
+            afdhph = std::make_shared<QPDFAcroFormDocumentHelper>(qpdf);
+            afdh = afdhph.get();
+        }
+        afdh->transformAnnotations(
+            annots, new_annots, new_fields, old_fields, cm);
+        afdh->removeFormFields(old_fields);
+        for (auto const& f: new_fields) {
+            afdh->addFormField(QPDFFormFieldObjectHelper(f));
+        }
+        this->oh.replaceKey("/Annots", QPDFObjectHandle::newArray(new_annots));
+    }
+}
+
+void
+QPDFPageObjectHelper::copyAnnotations(
+    QPDFPageObjectHelper from_page,
+    QPDFMatrix const& cm,
+    QPDFAcroFormDocumentHelper* afdh,
+    QPDFAcroFormDocumentHelper* from_afdh)
+{
+    auto old_annots = from_page.getObjectHandle().getKey("/Annots");
+    if (!old_annots.isArray()) {
+        return;
+    }
+
+    QPDF& from_qpdf = from_page.getObjectHandle().getQPDF(
+        "QPDFPageObjectHelper::copyAnnotations: from page is a direct object");
+    QPDF& this_qpdf = this->oh.getQPDF(
+        "QPDFPageObjectHelper::copyAnnotations: this page is a direct object");
+
+    std::vector<QPDFObjectHandle> new_annots;
+    std::vector<QPDFObjectHandle> new_fields;
+    std::set<QPDFObjGen> old_fields;
+    std::shared_ptr<QPDFAcroFormDocumentHelper> afdhph;
+    std::shared_ptr<QPDFAcroFormDocumentHelper> from_afdhph;
+    if (!afdh) {
+        afdhph = std::make_shared<QPDFAcroFormDocumentHelper>(this_qpdf);
+        afdh = afdhph.get();
+    }
+    if (&this_qpdf == &from_qpdf) {
+        from_afdh = afdh;
+    } else if (from_afdh) {
+        if (from_afdh->getQPDF().getUniqueId() != from_qpdf.getUniqueId()) {
+            throw std::logic_error(
+                "QPDFAcroFormDocumentHelper::copyAnnotations: from_afdh"
+                " is not from the same QPDF as from_page");
+        }
+    } else {
+        from_afdhph = std::make_shared<QPDFAcroFormDocumentHelper>(from_qpdf);
+        from_afdh = from_afdhph.get();
+    }
+
+    afdh->transformAnnotations(
+        old_annots,
+        new_annots,
+        new_fields,
+        old_fields,
+        cm,
+        &from_qpdf,
+        from_afdh);
+    afdh->addAndRenameFormFields(new_fields);
+    auto annots = this->oh.getKey("/Annots");
+    if (!annots.isArray()) {
+        annots = this->oh.replaceKeyAndGetNew(
+            "/Annots", QPDFObjectHandle::newArray());
+    }
+    for (auto const& annot: new_annots) {
+        annots.appendItem(annot);
+    }
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFParser.cc Added

@@ -0,0 +1,453 @@
+#include <qpdf/QPDFParser.hh>
+
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjGen.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+
+namespace
+{
+    struct StackFrame
+    {
+        StackFrame(std::shared_ptr<InputSource> input) :
+            offset(input->tell()),
+            contents_string(""),
+            contents_offset(-1)
+        {
+        }
+
+        std::vector<QPDFObjectHandle> olist;
+        qpdf_offset_t offset;
+        std::string contents_string;
+        qpdf_offset_t contents_offset;
+    };
+} // namespace
+
+QPDFObjectHandle
+QPDFParser::parse(bool& empty, bool content_stream)
+{
+    // This method must take care not to resolve any objects. Don't
+    // check the type of any object without first ensuring that it is
+    // a direct object. Otherwise, doing so may have the side effect
+    // of reading the object and changing the file pointer. If you do
+    // this, it will cause a logic error to be thrown from
+    // QPDF::inParse().
+
+    QPDF::ParseGuard pg(context);
+
+    empty = false;
+
+    QPDFObjectHandle object;
+    bool set_offset = false;
+
+    std::vector<StackFrame> stack;
+    stack.push_back(StackFrame(input));
+    std::vector<parser_state_e> state_stack;
+    state_stack.push_back(st_top);
+    qpdf_offset_t offset;
+    bool done = false;
+    int bad_count = 0;
+    int good_count = 0;
+    bool b_contents = false;
+    bool is_null = false;
+    auto null_oh = QPDFObjectHandle::newNull();
+
+    while (!done) {
+        bool bad = false;
+        bool indirect_ref = false;
+        is_null = false;
+        auto& frame = stack.back();
+        auto& olist = frame.olist;
+        parser_state_e state = state_stack.back();
+        offset = frame.offset;
+
+        object = QPDFObjectHandle();
+        set_offset = false;
+
+        QPDFTokenizer::Token token =
+            tokenizer.readToken(input, object_description, true);
+        std::string const& token_error_message = token.getErrorMessage();
+        if (!token_error_message.empty()) {
+            // Tokens other than tt_bad can still generate warnings.
+            warn(token_error_message);
+        }
+
+        switch (token.getType()) {
+        case QPDFTokenizer::tt_eof:
+            if (!content_stream) {
+                QTC::TC("qpdf", "QPDFParser eof in parse");
+                warn("unexpected EOF");
+            }
+            bad = true;
+            state = st_eof;
+            break;
+
+        case QPDFTokenizer::tt_bad:
+            QTC::TC("qpdf", "QPDFParser bad token in parse");
+            bad = true;
+            is_null = true;
+            break;
+
+        case QPDFTokenizer::tt_brace_open:
+        case QPDFTokenizer::tt_brace_close:
+            QTC::TC("qpdf", "QPDFParser bad brace");
+            warn("treating unexpected brace token as null");
+            bad = true;
+            is_null = true;
+            break;
+
+        case QPDFTokenizer::tt_array_close:
+            if (state == st_array) {
+                state = st_stop;
+            } else {
+                QTC::TC("qpdf", "QPDFParser bad array close");
+                warn("treating unexpected array close token as null");
+                bad = true;
+                is_null = true;
+            }
+            break;
+
+        case QPDFTokenizer::tt_dict_close:
+            if (state == st_dictionary) {
+                state = st_stop;
+            } else {
+                QTC::TC("qpdf", "QPDFParser bad dictionary close");
+                warn("unexpected dictionary close token");
+                bad = true;
+                is_null = true;
+            }
+            break;
+
+        case QPDFTokenizer::tt_array_open:
+        case QPDFTokenizer::tt_dict_open:
+            if (stack.size() > 500) {
+                QTC::TC("qpdf", "QPDFParser too deep");
+                warn("ignoring excessively deeply nested data structure");
+                bad = true;
+                is_null = true;
+                state = st_top;
+            } else {
+                state = st_start;
+                state_stack.push_back(
+                    (token.getType() == QPDFTokenizer::tt_array_open)
+                        ? st_array
+                        : st_dictionary);
+                b_contents = false;
+                stack.push_back(StackFrame(input));
+            }
+            break;
+
+        case QPDFTokenizer::tt_bool:
+            object = QPDFObjectHandle::newBool((token.getValue() == "true"));
+            break;
+
+        case QPDFTokenizer::tt_null:
+            is_null = true;
+            break;
+
+        case QPDFTokenizer::tt_integer:
+            object = QPDFObjectHandle::newInteger(
+                QUtil::string_to_ll(token.getValue().c_str()));
+            break;
+
+        case QPDFTokenizer::tt_real:
+            object = QPDFObjectHandle::newReal(token.getValue());
+            break;
+
+        case QPDFTokenizer::tt_name:
+            {
+                std::string name = token.getValue();
+                object = QPDFObjectHandle::newName(name);
+
+                if (name == "/Contents") {
+                    b_contents = true;
+                } else {
+                    b_contents = false;
+                }
+            }
+            break;
+
+        case QPDFTokenizer::tt_word:
+            {
+                std::string const& value = token.getValue();
+                auto size = olist.size();
+                if (content_stream) {
+                    object = QPDFObjectHandle::newOperator(value);
+                } else if (
+                    (value == "R") && (state != st_top) && (size >= 2) &&
+                    (!olist.back().isIndirect()) &&
+                    (olist.back().isInteger()) &&
+                    (!olist.at(size - 2).isIndirect()) &&
+                    (olist.at(size - 2).isInteger())) {
+                    if (context == nullptr) {
+                        QTC::TC("qpdf", "QPDFParser indirect without context");
+                        throw std::logic_error(
+                            "QPDFObjectHandle::parse called without context"
+                            " on an object with indirect references");
+                    }
+                    auto ref_og = QPDFObjGen(
+                        olist.at(size - 2).getIntValueAsInt(),
+                        olist.back().getIntValueAsInt());
+                    if (ref_og.isIndirect()) {
+                        object = context->getObject(ref_og);
+                        indirect_ref = true;
+                    } else {
+                        QTC::TC("qpdf", "QPDFParser indirect with 0 objid");
+                        is_null = true;
+                    }
+                    olist.pop_back();
+                    olist.pop_back();
+                } else if ((value == "endobj") && (state == st_top)) {
+                    // We just saw endobj without having read
+                    // anything.  Treat this as a null and do not move
+                    // the input source's offset.
+                    is_null = true;
+                    input->seek(input->getLastOffset(), SEEK_SET);
+                    empty = true;
+                } else {
+                    QTC::TC("qpdf", "QPDFParser treat word as string");
+                    warn("unknown token while reading object;"
+                         " treating as string");
+                    bad = true;
+                    object = QPDFObjectHandle::newString(value);
+                }
+            }
+            break;
+
+        case QPDFTokenizer::tt_string:
+            {
+                std::string val = token.getValue();
+                if (decrypter) {
+                    if (b_contents) {
+                        frame.contents_string = val;
+                        frame.contents_offset = input->getLastOffset();
+                        b_contents = false;
+                    }
+                    decrypter->decryptString(val);
+                }
+                object = QPDFObjectHandle::newString(val);
+            }
+
+            break;
+
+        default:
+            warn("treating unknown token type as null while "
+                 "reading object");
+            bad = true;
+            is_null = true;
+            break;
+        }
+
+        if (!object.isInitialized() && !is_null &&
+            (!((state == st_start) || (state == st_stop) ||
+               (state == st_eof)))) {
+            throw std::logic_error("QPDFObjectHandle::parseInternal: "
+                                   "unexpected uninitialized object");
+            is_null = true;
+        }
+
+        if (bad) {
+            ++bad_count;
+            good_count = 0;
+        } else {
+            ++good_count;
+            if (good_count > 3) {
+                bad_count = 0;
+            }
+        }
+        if (bad_count > 5) {
+            // We had too many consecutive errors without enough
+            // intervening successful objects. Give up.
+            warn("too many errors; giving up on reading object");
+            state = st_top;
+            is_null = true;
+        }
+
+        switch (state) {
+        case st_eof:
+            if (state_stack.size() > 1) {
+                warn("parse error while reading object");
+            }
+            done = true;
+            // In content stream mode, leave object uninitialized to
+            // indicate EOF
+            if (!content_stream) {
+                is_null = true;
+            }
+            break;
+
+        case st_dictionary:
+        case st_array:
+            if (!indirect_ref && !object.isDirectNull()) {
+                // No need to set description for direct nulls - they will
+                // become implicit.
+                setDescriptionFromInput(object, input->getLastOffset());
+                object.setParsedOffset(input->getLastOffset());
+            }
+            set_offset = true;
+            olist.push_back(is_null ? null_oh : object);
+            break;
+
+        case st_top:
+            done = true;
+            break;
+
+        case st_start:
+            break;
+
+        case st_stop:
+            if ((state_stack.size() < 2) || (stack.size() < 2)) {
+                throw std::logic_error(
+                    "QPDFObjectHandle::parseInternal: st_stop encountered"
+                    " with insufficient elements in stack");
+            }
+            parser_state_e old_state = state_stack.back();
+            state_stack.pop_back();
+            if (old_state == st_array) {
+                object = QPDFObjectHandle::newArray(olist);
+                setDescriptionFromInput(object, offset);
+                // The `offset` points to the next of "".  Set the rewind
+                // offset to point to the beginning of "". This has been
+                // explicitly tested with whitespace surrounding the array start
+                // delimiter. getLastOffset points to the array end token and
+                // therefore can't be used here.
+                object.setParsedOffset(offset - 1);
+                set_offset = true;
+            } else if (old_state == st_dictionary) {
+                // Convert list to map. Alternating elements are keys.  Attempt
+                // to recover more or less gracefully from invalid dictionaries.
+                std::set<std::string> names;
+                size_t n_elements = olist.size();
+                for (size_t i = 0; i < n_elements; ++i) {
+                    QPDFObjectHandle oh = olist.at(i);
+                    if ((!oh.isIndirect()) && oh.isName()) {
+                        names.insert(oh.getName());
+                    }
+                }
+
+                std::map<std::string, QPDFObjectHandle> dict;
+                int next_fake_key = 1;
+                for (unsigned int i = 0; i < n_elements; ++i) {
+                    QPDFObjectHandle key_obj = olist.at(i);
+                    QPDFObjectHandle val;
+                    if (key_obj.isIndirect() || (!key_obj.isName())) {
+                        bool found_fake = false;
+                        std::string candidate;
+                        while (!found_fake) {
+                            candidate = "/QPDFFake" +
+                                QUtil::int_to_string(next_fake_key++);
+                            found_fake = (names.count(candidate) == 0);
+                            QTC::TC(
+                                "qpdf",
+                                "QPDFParser found fake",
+                                (found_fake ? 0 : 1));
+                        }
+                        warn(
+                            offset,
+                            "expected dictionary key but found"
+                            " non-name object; inserting key " +
+                                candidate);
+                        val = key_obj;
+                        key_obj = QPDFObjectHandle::newName(candidate);
+                    } else if (i + 1 >= olist.size()) {
+                        QTC::TC("qpdf", "QPDFParser no val for last key");
+                        warn(
+                            offset,
+                            "dictionary ended prematurely; "
+                            "using null as value for last key");
+                        val = QPDFObjectHandle::newNull();
+                        setDescriptionFromInput(val, offset);
+                    } else {
+                        val = olist.at(++i);
+                    }
+                    std::string key = key_obj.getName();
+                    if (dict.count(key) > 0) {
+                        QTC::TC("qpdf", "QPDFParser duplicate dict key");
+                        warn(
+                            offset,
+                            "dictionary has duplicated key " + key +
+                                "; last occurrence overrides earlier "
+                                "ones");
+                    }
+                    dictkey = val;
+                }
+                if (!frame.contents_string.empty() && dict.count("/Type") &&
+                    dict"/Type".isNameAndEquals("/Sig") &&
+                    dict.count("/ByteRange") && dict.count("/Contents") &&
+                    dict"/Contents".isString()) {
+                    dict"/Contents" =
+                        QPDFObjectHandle::newString(frame.contents_string);
+                    dict"/Contents".setParsedOffset(frame.contents_offset);
+                }
+                object = QPDFObjectHandle::newDictionary(dict);
+                setDescriptionFromInput(object, offset);
+                // The `offset` points to the next of "<<". Set the rewind
+                // offset to point to the beginning of "<<". This has been
+                // explicitly tested with whitespace surrounding the dictionary
+                // start delimiter. getLastOffset points to the dictionary end
+                // token and therefore can't be used here.
+                object.setParsedOffset(offset - 2);
+                set_offset = true;
+            }
+            stack.pop_back();
+            if (state_stack.back() == st_top) {
+                done = true;
+            } else {
+                stack.back().olist.push_back(is_null ? null_oh : object);
+            }
+        }
+    }
+
+    if (is_null) {
+        object = QPDFObjectHandle::newNull();
+    }
+    if (!set_offset) {
+        setDescriptionFromInput(object, offset);
+        object.setParsedOffset(offset);
+    }
+    return object;
+}
+
+void
+QPDFParser::setDescriptionFromInput(
+    QPDFObjectHandle oh, qpdf_offset_t offset) const
+{
+    oh.setObjectDescription(
+        context,
+        (input->getName() + ", " + object_description + " at offset " +
+         QUtil::int_to_string(offset)));
+}
+
+void
+QPDFParser::warn(QPDF* qpdf, QPDFExc const& e)
+{
+    // If parsing on behalf of a QPDF object and want to give a
+    // warning, we can warn through the object. If parsing for some
+    // other reason, such as an explicit creation of an object from a
+    // string, then just throw the exception.
+    if (qpdf) {
+        qpdf->warn(e);
+    } else {
+        throw e;
+    }
+}
+
+void
+QPDFParser::warn(qpdf_offset_t offset, std::string const& msg) const
+{
+    warn(
+        context,
+        QPDFExc(
+            qpdf_e_damaged_pdf,
+            input->getName(),
+            object_description,
+            offset,
+            msg));
+}
+
+void
+QPDFParser::warn(std::string const& msg) const
+{
+    warn(input->getLastOffset(), msg);
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFStreamFilter.cc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFSystemError.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFSystemError.cc Changed

@@ -1,22 +1,18 @@
 #include <qpdf/QPDFSystemError.hh>
+
 #include <qpdf/QUtil.hh>
 #include <string.h>
 
-QPDFSystemError::QPDFSystemError(std::string const& description,
-                                 int system_errno) :
+QPDFSystemError::QPDFSystemError(
+    std::string const& description, int system_errno) :
     std::runtime_error(createWhat(description, system_errno)),
     description(description),
     system_errno(system_errno)
 {
 }
 
-QPDFSystemError::~QPDFSystemError() throw ()
-{
-}
-
 std::string
-QPDFSystemError::createWhat(std::string const& description,
-                            int system_errno)
+QPDFSystemError::createWhat(std::string const& description, int system_errno)
 {
     std::string message;
 #ifdef _MSC_VER
@@ -24,12 +20,9 @@
     // message is longer.  strerror_s is a templated function that
     // knows the size of buf and truncates.
     char buf94;
-    if (strerror_s(buf, system_errno) != 0)
-    {
+    if (strerror_s(buf, system_errno) != 0) {
         message = description + ": failed with an unknown error";
-    }
-    else
-    {
+    } else {
         message = description + ": " + buf;
     }
 #else

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFTokenizer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFTokenizer.cc Changed

@@ -4,38 +4,41 @@
 // it's not worth the risk of including it in case it may accidentally
 // be used.
 
-#include <qpdf/QTC.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDFExc.hh>
-#include <qpdf/QUtil.hh>
 #include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 
 #include <stdexcept>
 #include <stdlib.h>
 #include <string.h>
 
-static bool is_delimiter(char ch)
+static bool
+is_delimiter(char ch)
 {
-    return (strchr(" \t\n\v\f\r()<>{}/%", ch) != 0);
+    return (strchr(" \t\n\v\f\r()<>{}/%", ch) != nullptr);
 }
 
-class QPDFWordTokenFinder: public InputSource::Finder
+namespace
 {
-  public:
-    QPDFWordTokenFinder(PointerHolder<InputSource> is,
-                        std::string const& str) :
-        is(is),
-        str(str)
-    {
-    }
-    virtual ~QPDFWordTokenFinder()
+    class QPDFWordTokenFinder: public InputSource::Finder
     {
-    }
-    virtual bool check();
+      public:
+        QPDFWordTokenFinder(
+            std::shared_ptr<InputSource> is, std::string const& str) :
+            is(is),
+            str(str)
+        {
+        }
+        virtual ~QPDFWordTokenFinder() = default;
+        virtual bool check();
 
-  private:
-    PointerHolder<InputSource> is;
-    std::string str;
-};
+      private:
+        std::shared_ptr<InputSource> is;
+        std::string str;
+    };
+} // namespace
 
 bool
 QPDFWordTokenFinder::check()
@@ -45,30 +48,24 @@
     QPDFTokenizer tokenizer;
     QPDFTokenizer::Token t = tokenizer.readToken(is, "finder", true);
     qpdf_offset_t pos = is->tell();
-    if (! (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, str)))
-    {
+    if (!(t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, str))) {
         QTC::TC("qpdf", "QPDFTokenizer finder found wrong word");
         return false;
     }
     qpdf_offset_t token_start = is->getLastOffset();
     char next;
     bool next_okay = false;
-    if (is->read(&next, 1) == 0)
-    {
+    if (is->read(&next, 1) == 0) {
         QTC::TC("qpdf", "QPDFTokenizer inline image at EOF");
         next_okay = true;
-    }
-    else
-    {
+    } else {
         next_okay = is_delimiter(next);
     }
     is->seek(pos, SEEK_SET);
-    if (! next_okay)
-    {
+    if (!next_okay) {
         return false;
     }
-    if (token_start == 0)
-    {
+    if (token_start == 0) {
         // Can't actually happen...we never start the search at the
         // beginning of the input.
         return false;
@@ -76,33 +73,20 @@
     return true;
 }
 
-QPDFTokenizer::Members::Members() :
-    pound_special_in_name(true),
-    allow_eof(false),
-    include_ignorable(false)
-{
-    reset();
-}
-
 void
-QPDFTokenizer::Members::reset()
+QPDFTokenizer::reset()
 {
-    state = st_top;
+    state = st_before_token;
     type = tt_bad;
-    val = "";
-    raw_val = "";
+    val.clear();
+    raw_val.clear();
     error_message = "";
-    unread_char = false;
+    before_token = true;
+    in_token = false;
     char_to_unread = '\0';
     inline_image_bytes = 0;
     string_depth = 0;
-    string_ignoring_newline = false;
-    last_char_was_bs = false;
-    last_char_was_cr = false;
-}
-
-QPDFTokenizer::Members::~Members()
-{
+    bad = false;
 }
 
 QPDFTokenizer::Token::Token(token_type_e type, std::string const& value) :
@@ -110,40 +94,30 @@
     value(value),
     raw_value(value)
 {
-    if (type == tt_string)
-    {
+    if (type == tt_string) {
         raw_value = QPDFObjectHandle::newString(value).unparse();
-    }
-    else if (type == tt_name)
-    {
+    } else if (type == tt_name) {
         raw_value = QPDFObjectHandle::newName(value).unparse();
     }
 }
 
-
-
 QPDFTokenizer::QPDFTokenizer() :
-    m(new Members())
-{
-}
-
-void
-QPDFTokenizer::allowPoundAnywhereInName()
+    allow_eof(false),
+    include_ignorable(false)
 {
-    QTC::TC("qpdf", "QPDFTokenizer allow pound anywhere in name");
-    this->m->pound_special_in_name = false;
+    reset();
 }
 
 void
 QPDFTokenizer::allowEOF()
 {
-    this->m->allow_eof = true;
+    this->allow_eof = true;
 }
 
 void
 QPDFTokenizer::includeIgnorable()
 {
-    this->m->include_ignorable = true;
+    this->include_ignorable = true;
 }
 
 bool
@@ -159,538 +133,725 @@
 }
 
 void
-QPDFTokenizer::resolveLiteral()
+QPDFTokenizer::presentCharacter(char ch)
 {
-    if ((this->m->val.length() > 0) && (this->m->val.at(0) == '/'))
-    {
-        this->m->type = tt_name;
-        // Deal with # in name token.  Note: '/' by itself is a
-        // valid name, so don't strip leading /.  That way we
-        // don't have to deal with the empty string as a name.
-        std::string nval = "/";
-        char const* valstr = this->m->val.c_str() + 1;
-        for (char const* p = valstr; *p; ++p)
-        {
-            if ((*p == '#') && this->m->pound_special_in_name)
-            {
-                if (p1 && p2 &&
-                    QUtil::is_hex_digit(p1) && QUtil::is_hex_digit(p2))
-                {
-                    char num3;
-                    num0 = p1;
-                    num1 = p2;
-                    num2 = '\0';
-                    char ch = static_cast<char>(strtol(num, 0, 16));
-                    if (ch == '\0')
-                    {
-                        this->m->type = tt_bad;
-                        QTC::TC("qpdf", "QPDFTokenizer null in name");
-                        this->m->error_message =
-                            "null character not allowed in name token";
-                        nval += "#00";
-                    }
-                    else
-                    {
-                        nval += ch;
-                    }
-                    p += 2;
-                }
-                else
-                {
-                    QTC::TC("qpdf", "QPDFTokenizer bad name");
-                    this->m->type = tt_bad;
-                    this->m->error_message = "invalid name token";
-                    nval += *p;
-                }
-            }
-            else
-            {
-                nval += *p;
-            }
-        }
-        this->m->val = nval;
+    handleCharacter(ch);
+
+    if (this->in_token) {
+        this->raw_val += ch;
     }
-    else if (QUtil::is_number(this->m->val.c_str()))
-    {
-        if (this->m->val.find('.') != std::string::npos)
-        {
-            this->m->type = tt_real;
+}
+
+void
+QPDFTokenizer::handleCharacter(char ch)
+{
+    // State machine is implemented such that the final character may not be
+    // handled.  This happens whenever you have to use a character from the
+    // next token to detect the end of the current token.
+
+    switch (this->state) {
+    case st_top:
+        inTop(ch);
+        return;
+
+    case st_in_space:
+        inSpace(ch);
+        return;
+
+    case st_in_comment:
+        inComment(ch);
+        return;
+
+    case st_lt:
+        inLt(ch);
+        return;
+
+    case st_gt:
+        inGt(ch);
+        return;
+
+    case st_in_string:
+        inString(ch);
+        return;
+
+    case st_name:
+        inName(ch);
+        return;
+
+    case st_number:
+        inNumber(ch);
+        return;
+
+    case st_real:
+        inReal(ch);
+        return;
+
+    case st_string_after_cr:
+        inStringAfterCR(ch);
+        return;
+
+    case st_string_escape:
+        inStringEscape(ch);
+        return;
+
+    case st_char_code:
+        inCharCode(ch);
+        return;
+
+    case st_literal:
+        inLiteral(ch);
+        return;
+
+    case st_inline_image:
+        inInlineImage(ch);
+        return;
+
+    case st_in_hexstring:
+        inHexstring(ch);
+        return;
+
+    case st_in_hexstring_2nd:
+        inHexstring2nd(ch);
+        return;
+
+    case st_name_hex1:
+        inNameHex1(ch);
+        return;
+
+    case st_name_hex2:
+        inNameHex2(ch);
+        return;
+
+    case st_sign:
+        inSign(ch);
+        return;
+
+    case st_decimal:
+        inDecimal(ch);
+        return;
+
+    case (st_before_token):
+        inBeforeToken(ch);
+        return;
+
+    case (st_token_ready):
+        inTokenReady(ch);
+        return;
+
+    default:
+        throw std::logic_error(
+            "INTERNAL ERROR: invalid state while reading token");
+    }
+}
+
+void
+QPDFTokenizer::inTokenReady(char ch)
+{
+    throw std::logic_error("INTERNAL ERROR: QPDF tokenizer presented character "
+                           "while token is waiting");
+}
+
+void
+QPDFTokenizer::inBeforeToken(char ch)
+{
+    // Note: we specifically do not use ctype here.  It is
+    // locale-dependent.
+    if (isSpace(ch)) {
+        this->before_token = !this->include_ignorable;
+        this->in_token = this->include_ignorable;
+        if (this->include_ignorable) {
+            this->state = st_in_space;
+            this->val += ch;
         }
-        else
-        {
-            this->m->type = tt_integer;
+    } else if (ch == '%') {
+        this->before_token = !this->include_ignorable;
+        this->in_token = this->include_ignorable;
+        this->state = st_in_comment;
+        if (this->include_ignorable) {
+            this->val += ch;
         }
+    } else {
+        this->before_token = false;
+        this->in_token = true;
+        inTop(ch);
     }
-    else if ((this->m->val == "true") || (this->m->val == "false"))
-    {
-        this->m->type = tt_bool;
-    }
-    else if (this->m->val == "null")
-    {
-        this->m->type = tt_null;
+}
+
+void
+QPDFTokenizer::inTop(char ch)
+{
+    switch (ch) {
+    case '(':
+        this->string_depth = 1;
+        this->state = st_in_string;
+        return;
+
+    case '<':
+        this->state = st_lt;
+        return;
+
+    case '>':
+        this->state = st_gt;
+        return;
+
+    case (')'):
+        this->type = tt_bad;
+        QTC::TC("qpdf", "QPDFTokenizer bad )");
+        this->error_message = "unexpected )";
+        this->val += ch;
+        this->state = st_token_ready;
+        return;
+
+    case '':
+        this->type = tt_array_open;
+        this->state = st_token_ready;
+        this->val += ch;
+        return;
+
+    case '':
+        this->type = tt_array_close;
+        this->val += ch;
+        this->state = st_token_ready;
+        return;
+
+    case '{':
+        this->type = tt_brace_open;
+        this->state = st_token_ready;
+        this->val += ch;
+        return;
+
+    case '}':
+        this->type = tt_brace_close;
+        this->state = st_token_ready;
+        this->val += ch;
+        return;
+
+    case '/':
+        this->state = st_name;
+        this->val += ch;
+        return;
+
+    case '0':
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+        this->state = st_number;
+        this->val += ch;
+        return;
+
+    case '+':
+    case '-':
+        this->state = st_sign;
+        this->val += ch;
+        return;
+
+    case '.':
+        this->state = st_decimal;
+        this->val += ch;
+        return;
+
+    default:
+        this->state = st_literal;
+        this->val += ch;
+        return;
     }
-    else
-    {
-        // I don't really know what it is, so leave it as tt_word.
-        // Lots of cases ($, #, etc.) other than actual words fall
-        // into this category, but that's okay at least for now.
-        this->m->type = tt_word;
+}
+
+void
+QPDFTokenizer::inSpace(char ch)
+{
+    // We only enter this state if include_ignorable is true.
+    if (!isSpace(ch)) {
+        this->type = tt_space;
+        this->in_token = false;
+        this->char_to_unread = ch;
+        this->state = st_token_ready;
+        return;
+    } else {
+        this->val += ch;
+        return;
     }
 }
 
 void
-QPDFTokenizer::presentCharacter(char ch)
+QPDFTokenizer::inComment(char ch)
 {
-    if (this->m->state == st_token_ready)
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: QPDF tokenizer presented character "
-	    "while token is waiting");
+    if ((ch == '\r') || (ch == '\n')) {
+        if (this->include_ignorable) {
+            this->type = tt_comment;
+            this->in_token = false;
+            this->char_to_unread = ch;
+            this->state = st_token_ready;
+        } else {
+            this->state = st_before_token;
+        }
+    } else if (this->include_ignorable) {
+        this->val += ch;
     }
+}
 
-    char orig_ch = ch;
+void
+QPDFTokenizer::inString(char ch)
+{
+    switch (ch) {
+    case '\\':
+        this->state = st_string_escape;
+        return;
 
-    // State machine is implemented such that some characters may be
-    // handled more than once.  This happens whenever you have to use
-    // the character that caused a state change in the new state.
+    case '(':
+        this->val += ch;
+        ++this->string_depth;
+        return;
 
-    bool handled = true;
-    if (this->m->state == st_top)
-    {
-	// Note: we specifically do not use ctype here.  It is
-	// locale-dependent.
-	if (isSpace(ch))
-	{
-            if (this->m->include_ignorable)
-            {
-                this->m->state = st_in_space;
-                this->m->val += ch;
-            }
-	}
-	else if (ch == '%')
-	{
-	    this->m->state = st_in_comment;
-            if (this->m->include_ignorable)
-            {
-                this->m->val += ch;
-            }
-	}
-	else if (ch == '(')
-	{
-	    this->m->string_depth = 1;
-	    this->m->string_ignoring_newline = false;
-	    memset(this->m->bs_num_register, '\0',
-                   sizeof(this->m->bs_num_register));
-	    this->m->last_char_was_bs = false;
-	    this->m->last_char_was_cr = false;
-	    this->m->state = st_in_string;
-	}
-	else if (ch == '<')
-	{
-	    this->m->state = st_lt;
-	}
-	else if (ch == '>')
-	{
-	    this->m->state = st_gt;
-	}
-	else
-	{
-	    this->m->val += ch;
-	    if (ch == ')')
-	    {
-		this->m->type = tt_bad;
-		QTC::TC("qpdf", "QPDFTokenizer bad )");
-		this->m->error_message = "unexpected )";
-		this->m->state = st_token_ready;
-	    }
-	    else if (ch == '')
-	    {
-		this->m->type = tt_array_open;
-		this->m->state = st_token_ready;
-	    }
-	    else if (ch == '')
-	    {
-		this->m->type = tt_array_close;
-		this->m->state = st_token_ready;
-	    }
-	    else if (ch == '{')
-	    {
-		this->m->type = tt_brace_open;
-		this->m->state = st_token_ready;
-	    }
-	    else if (ch == '}')
-	    {
-		this->m->type = tt_brace_close;
-		this->m->state = st_token_ready;
-	    }
-	    else
-	    {
-		this->m->state = st_literal;
-	    }
-	}
-    }
-    else if (this->m->state == st_in_space)
-    {
-        // We only enter this state if include_ignorable is true.
-        if (! isSpace(ch))
-        {
-	    this->m->type = tt_space;
-	    this->m->unread_char = true;
-	    this->m->char_to_unread = ch;
-	    this->m->state = st_token_ready;
-        }
-        else
-        {
-            this->m->val += ch;
+    case ')':
+        if (--this->string_depth == 0) {
+            this->type = tt_string;
+            this->state = st_token_ready;
+            return;
         }
+
+        this->val += ch;
+        return;
+
+    case '\r':
+        // CR by itself is converted to LF
+        this->val += '\n';
+        this->state = st_string_after_cr;
+        return;
+
+    case '\n':
+        this->val += ch;
+        return;
+
+    default:
+        this->val += ch;
+        return;
     }
-    else if (this->m->state == st_in_comment)
-    {
-	if ((ch == '\r') || (ch == '\n'))
-        {
-            if (this->m->include_ignorable)
-            {
-                this->m->type = tt_comment;
-                this->m->unread_char = true;
-                this->m->char_to_unread = ch;
-                this->m->state = st_token_ready;
-            }
-            else
-            {
-                this->m->state = st_top;
-            }
-        }
-        else if (this->m->include_ignorable)
-        {
-            this->m->val += ch;
-        }
+}
+
+void
+QPDFTokenizer::inName(char ch)
+{
+    if (isDelimiter(ch)) {
+        // A C-locale whitespace character or delimiter terminates
+        // token.  It is important to unread the whitespace
+        // character even though it is ignored since it may be the
+        // newline after a stream keyword.  Removing it here could
+        // make the stream-reading code break on some files,
+        // though not on any files in the test suite as of this
+        // writing.
+
+        this->type = this->bad ? tt_bad : tt_name;
+        this->in_token = false;
+        this->char_to_unread = ch;
+        this->state = st_token_ready;
+    } else if (ch == '#') {
+        this->char_code = 0;
+        this->state = st_name_hex1;
+    } else {
+        this->val += ch;
     }
-    else if (this->m->state == st_lt)
-    {
-	if (ch == '<')
-	{
-	    this->m->val = "<<";
-	    this->m->type = tt_dict_open;
-	    this->m->state = st_token_ready;
-	}
-	else
-	{
-	    handled = false;
-	    this->m->state = st_in_hexstring;
-	}
-    }
-    else if (this->m->state == st_gt)
-    {
-	if (ch == '>')
-	{
-	    this->m->val = ">>";
-	    this->m->type = tt_dict_close;
-	    this->m->state = st_token_ready;
-	}
-	else
-	{
-	    this->m->val = ">";
-	    this->m->type = tt_bad;
-	    QTC::TC("qpdf", "QPDFTokenizer bad >");
-	    this->m->error_message = "unexpected >";
-	    this->m->unread_char = true;
-	    this->m->char_to_unread = ch;
-	    this->m->state = st_token_ready;
-	}
-    }
-    else if (this->m->state == st_in_string)
-    {
-	if (this->m->string_ignoring_newline && (ch != '\n'))
-	{
-	    this->m->string_ignoring_newline = false;
-	}
-
-	size_t bs_num_count = strlen(this->m->bs_num_register);
-	bool ch_is_octal = ((ch >= '0') && (ch <= '7'));
-	if ((bs_num_count == 3) || ((bs_num_count > 0) && (! ch_is_octal)))
-	{
-	    // We've accumulated \ddd.  PDF Spec says to ignore
-	    // high-order overflow.
-	    this->m->val += static_cast<char>(
-                strtol(this->m->bs_num_register, 0, 8));
-	    memset(this->m->bs_num_register, '\0',
-                   sizeof(this->m->bs_num_register));
-	    bs_num_count = 0;
-	}
-
-	if (this->m->string_ignoring_newline && (ch == '\n'))
-	{
-	    // ignore
-            this->m->string_ignoring_newline = false;
-	}
-	else if (ch_is_octal &&
-                 (this->m->last_char_was_bs || (bs_num_count > 0)))
-	{
-	    this->m->bs_num_registerbs_num_count++ = ch;
-	}
-	else if (this->m->last_char_was_bs)
-	{
-	    switch (ch)
-	    {
-	      case 'n':
-		this->m->val += '\n';
-		break;
-
-	      case 'r':
-		this->m->val += '\r';
-		break;
-
-	      case 't':
-		this->m->val += '\t';
-		break;
-
-	      case 'b':
-		this->m->val += '\b';
-		break;
-
-	      case 'f':
-		this->m->val += '\f';
-		break;
-
-	      case '\n':
-                break;
+}
 
-	      case '\r':
-		this->m->string_ignoring_newline = true;
-		break;
-
-	      default:
-		// PDF spec says backslash is ignored before anything else
-		this->m->val += ch;
-		break;
-	    }
-	}
-	else if (ch == '\\')
-	{
-	    // last_char_was_bs is set/cleared below as appropriate
-	    if (bs_num_count)
-	    {
-		throw std::logic_error(
-		    "INTERNAL ERROR: QPDFTokenizer: bs_num_count != 0 "
-		    "when ch == '\\'");
-	    }
-	}
-	else if (ch == '(')
-	{
-	    this->m->val += ch;
-	    ++this->m->string_depth;
-	}
-	else if ((ch == ')') && (--this->m->string_depth == 0))
-	{
-	    this->m->type = tt_string;
-	    this->m->state = st_token_ready;
-	}
-        else if (ch == '\r')
-        {
-            // CR by itself is converted to LF
-            this->m->val += '\n';
-        }
-        else if (ch == '\n')
-        {
-            // CR LF is converted to LF
-            if (! this->m->last_char_was_cr)
-            {
-                this->m->val += ch;
-            }
-        }
-	else
-	{
-	    this->m->val += ch;
-	}
+void
+QPDFTokenizer::inNameHex1(char ch)
+{
+    this->hex_char = ch;
+
+    if ('0' <= ch && ch <= '9') {
+        this->char_code = 16 * (int(ch) - int('0'));
+        this->state = st_name_hex2;
+
+    } else if ('A' <= ch && ch <= 'F') {
+        this->char_code = 16 * (10 + int(ch) - int('A'));
+        this->state = st_name_hex2;
 
-        this->m->last_char_was_cr =
-            ((! this->m->string_ignoring_newline) && (ch == '\r'));
-	this->m->last_char_was_bs =
-            ((! this->m->last_char_was_bs) && (ch == '\\'));
+    } else if ('a' <= ch && ch <= 'f') {
+        this->char_code = 16 * (10 + int(ch) - int('a'));
+        this->state = st_name_hex2;
+
+    } else {
+        QTC::TC("qpdf", "QPDFTokenizer bad name 1");
+        this->error_message = "name with stray # will not work with PDF >= 1.2";
+        // Use null to encode a bad # -- this is reversed
+        // in QPDF_Name::normalizeName.
+        this->val += '\0';
+        this->state = st_name;
+        inName(ch);
     }
-    else if (this->m->state == st_literal)
-    {
-	if (isDelimiter(ch))
-	{
-	    // A C-locale whitespace character or delimiter terminates
-	    // token.  It is important to unread the whitespace
-	    // character even though it is ignored since it may be the
-	    // newline after a stream keyword.  Removing it here could
-	    // make the stream-reading code break on some files,
-	    // though not on any files in the test suite as of this
-	    // writing.
-
-	    this->m->type = tt_word;
-	    this->m->unread_char = true;
-	    this->m->char_to_unread = ch;
-	    this->m->state = st_token_ready;
-	}
-	else
-	{
-	    this->m->val += ch;
-	}
-    }
-    else if (this->m->state == st_inline_image)
-    {
-        this->m->val += ch;
-        size_t len = this->m->val.length();
-        if (len == this->m->inline_image_bytes)
-        {
-            QTC::TC("qpdf", "QPDFTokenizer found EI by byte count");
-            this->m->type = tt_inline_image;
-            this->m->inline_image_bytes = 0;
-            this->m->state = st_token_ready;
-        }
-        else if ((this->m->inline_image_bytes == 0) &&
-                 (len >= 4) &&
-                 isDelimiter(this->m->val.at(len-4)) &&
-                 (this->m->val.at(len-3) == 'E') &&
-                 (this->m->val.at(len-2) == 'I') &&
-                 isDelimiter(this->m->val.at(len-1)))
-        {
-            QTC::TC("qpdf", "QPDFTokenizer found EI the old way");
-            this->m->val.erase(len - 1);
-            this->m->type = tt_inline_image;
-            this->m->unread_char = true;
-            this->m->char_to_unread = ch;
-            this->m->state = st_token_ready;
-        }
+}
+
+void
+QPDFTokenizer::inNameHex2(char ch)
+{
+    if ('0' <= ch && ch <= '9') {
+        this->char_code += int(ch) - int('0');
+
+    } else if ('A' <= ch && ch <= 'F') {
+        this->char_code += 10 + int(ch) - int('A');
+
+    } else if ('a' <= ch && ch <= 'f') {
+        this->char_code += 10 + int(ch) - int('a');
+
+    } else {
+        QTC::TC("qpdf", "QPDFTokenizer bad name 2");
+        this->error_message = "name with stray # will not work with PDF >= 1.2";
+        // Use null to encode a bad # -- this is reversed
+        // in QPDF_Name::normalizeName.
+        this->val += '\0';
+        this->val += this->hex_char;
+        this->state = st_name;
+        inName(ch);
+        return;
     }
-    else
-    {
-	handled = false;
+    if (this->char_code == 0) {
+        QTC::TC("qpdf", "QPDFTokenizer null in name");
+        this->error_message = "null character not allowed in name token";
+        this->val += "#00";
+        this->state = st_name;
+        this->bad = true;
+    } else {
+        this->val += char(this->char_code);
+        this->state = st_name;
     }
+}
 
-    if (handled)
-    {
-	// okay
+void
+QPDFTokenizer::inSign(char ch)
+{
+    if (QUtil::is_digit(ch)) {
+        this->state = st_number;
+        this->val += ch;
+    } else if (ch == '.') {
+        this->state = st_decimal;
+        this->val += ch;
+    } else {
+        this->state = st_literal;
+        inLiteral(ch);
     }
-    else if (this->m->state == st_in_hexstring)
-    {
-	if (ch == '>')
-	{
-	    this->m->type = tt_string;
-	    this->m->state = st_token_ready;
-	    if (this->m->val.length() % 2)
-	    {
-		// PDF spec says odd hexstrings have implicit
-		// trailing 0.
-		this->m->val += '0';
-	    }
-	    char num3;
-	    num2 = '\0';
-	    std::string nval;
-	    for (unsigned int i = 0; i < this->m->val.length(); i += 2)
-	    {
-		num0 = this->m->val.at(i);
-		num1 = this->m->val.at(i+1);
-		char nch = static_cast<char>(strtol(num, 0, 16));
-		nval += nch;
-	    }
-	    this->m->val = nval;
-	}
-	else if (QUtil::is_hex_digit(ch))
-	{
-	    this->m->val += ch;
-	}
-	else if (isSpace(ch))
-	{
-	    // ignore
-	}
-	else
-	{
-	    this->m->type = tt_bad;
-	    QTC::TC("qpdf", "QPDFTokenizer bad hexstring character");
-	    this->m->error_message = std::string("invalid character (") +
-		ch + ") in hexstring";
-	    this->m->state = st_token_ready;
-	}
-    }
-    else
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: invalid state while reading token");
+}
+
+void
+QPDFTokenizer::inDecimal(char ch)
+{
+    if (QUtil::is_digit(ch)) {
+        this->state = st_real;
+        this->val += ch;
+    } else {
+        this->state = st_literal;
+        inLiteral(ch);
     }
+}
 
-    if ((this->m->state == st_token_ready) && (this->m->type == tt_word))
-    {
-        resolveLiteral();
+void
+QPDFTokenizer::inNumber(char ch)
+{
+    if (QUtil::is_digit(ch)) {
+        this->val += ch;
+    } else if (ch == '.') {
+        this->state = st_real;
+        this->val += ch;
+    } else if (isDelimiter(ch)) {
+        this->type = tt_integer;
+        this->state = st_token_ready;
+        this->in_token = false;
+        this->char_to_unread = ch;
+    } else {
+        this->state = st_literal;
+        this->val += ch;
     }
+}
 
-    if (! (betweenTokens() ||
-           ((this->m->state == st_token_ready) && this->m->unread_char)))
-    {
-	this->m->raw_val += orig_ch;
+void
+QPDFTokenizer::inReal(char ch)
+{
+    if (QUtil::is_digit(ch)) {
+        this->val += ch;
+    } else if (isDelimiter(ch)) {
+        this->type = tt_real;
+        this->state = st_token_ready;
+        this->in_token = false;
+        this->char_to_unread = ch;
+    } else {
+        this->state = st_literal;
+        this->val += ch;
+    }
+}
+void
+QPDFTokenizer::inStringEscape(char ch)
+{
+    this->state = st_in_string;
+    switch (ch) {
+    case '0':
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+    case '6':
+    case '7':
+        this->state = st_char_code;
+        this->char_code = 0;
+        this->digit_count = 0;
+        inCharCode(ch);
+        return;
+
+    case 'n':
+        this->val += '\n';
+        return;
+
+    case 'r':
+        this->val += '\r';
+        return;
+
+    case 't':
+        this->val += '\t';
+        return;
+
+    case 'b':
+        this->val += '\b';
+        return;
+
+    case 'f':
+        this->val += '\f';
+        return;
+
+    case '\n':
+        return;
+
+    case '\r':
+        this->state = st_string_after_cr;
+        return;
+
+    default:
+        // PDF spec says backslash is ignored before anything else
+        this->val += ch;
+        return;
     }
 }
 
 void
-QPDFTokenizer::presentEOF()
+QPDFTokenizer::inStringAfterCR(char ch)
 {
-    if (this->m->state == st_inline_image)
-    {
-        size_t len = this->m->val.length();
-        if ((len >= 3) &&
-            isDelimiter(this->m->val.at(len-3)) &&
-            (this->m->val.at(len-2) == 'E') &&
-            (this->m->val.at(len-1) == 'I'))
-        {
-            QTC::TC("qpdf", "QPDFTokenizer inline image at EOF the old way");
-            this->m->type = tt_inline_image;
-            this->m->state = st_token_ready;
-        }
+    this->state = st_in_string;
+    if (ch != '\n') {
+        inString(ch);
     }
+}
 
-    if (this->m->state == st_literal)
-    {
-        QTC::TC("qpdf", "QPDFTokenizer EOF reading appendable token");
-        resolveLiteral();
+void
+QPDFTokenizer::inLt(char ch)
+{
+    if (ch == '<') {
+        this->val += "<<";
+        this->type = tt_dict_open;
+        this->state = st_token_ready;
+        return;
     }
-    else if ((this->m->include_ignorable) && (this->m->state == st_in_space))
-    {
-        this->m->type = tt_space;
+
+    this->state = st_in_hexstring;
+    inHexstring(ch);
+}
+
+void
+QPDFTokenizer::inGt(char ch)
+{
+    if (ch == '>') {
+        this->val += ">>";
+        this->type = tt_dict_close;
+        this->state = st_token_ready;
+    } else {
+        this->val += ">";
+        this->type = tt_bad;
+        QTC::TC("qpdf", "QPDFTokenizer bad >");
+        this->error_message = "unexpected >";
+        this->in_token = false;
+        this->char_to_unread = ch;
+        this->state = st_token_ready;
     }
-    else if ((this->m->include_ignorable) && (this->m->state == st_in_comment))
-    {
-        this->m->type = tt_comment;
+}
+
+void
+QPDFTokenizer::inLiteral(char ch)
+{
+    if (isDelimiter(ch)) {
+        // A C-locale whitespace character or delimiter terminates
+        // token.  It is important to unread the whitespace
+        // character even though it is ignored since it may be the
+        // newline after a stream keyword.  Removing it here could
+        // make the stream-reading code break on some files,
+        // though not on any files in the test suite as of this
+        // writing.
+
+        this->in_token = false;
+        this->char_to_unread = ch;
+        this->state = st_token_ready;
+        this->type = (this->val == "true") || (this->val == "false")
+            ? tt_bool
+            : (this->val == "null" ? tt_null : tt_word);
+    } else {
+        this->val += ch;
     }
-    else if (betweenTokens())
-    {
-        this->m->type = tt_eof;
+}
+
+void
+QPDFTokenizer::inHexstring(char ch)
+{
+    if ('0' <= ch && ch <= '9') {
+        this->char_code = 16 * (int(ch) - int('0'));
+        this->state = st_in_hexstring_2nd;
+
+    } else if ('A' <= ch && ch <= 'F') {
+        this->char_code = 16 * (10 + int(ch) - int('A'));
+        this->state = st_in_hexstring_2nd;
+
+    } else if ('a' <= ch && ch <= 'f') {
+        this->char_code = 16 * (10 + int(ch) - int('a'));
+        this->state = st_in_hexstring_2nd;
+
+    } else if (ch == '>') {
+        this->type = tt_string;
+        this->state = st_token_ready;
+
+    } else if (isSpace(ch)) {
+        // ignore
+
+    } else {
+        this->type = tt_bad;
+        QTC::TC("qpdf", "QPDFTokenizer bad hexstring character");
+        this->error_message =
+            std::string("invalid character (") + ch + ") in hexstring";
+        this->state = st_token_ready;
     }
-    else if (this->m->state != st_token_ready)
-    {
-        QTC::TC("qpdf", "QPDFTokenizer EOF reading token");
-        this->m->type = tt_bad;
-        this->m->error_message = "EOF while reading token";
+}
+
+void
+QPDFTokenizer::inHexstring2nd(char ch)
+{
+    if ('0' <= ch && ch <= '9') {
+        this->val += char(this->char_code + int(ch) - int('0'));
+        this->state = st_in_hexstring;
+
+    } else if ('A' <= ch && ch <= 'F') {
+        this->val += char(this->char_code + 10 + int(ch) - int('A'));
+        this->state = st_in_hexstring;
+
+    } else if ('a' <= ch && ch <= 'f') {
+        this->val += char(this->char_code + 10 + int(ch) - int('a'));
+        this->state = st_in_hexstring;
+
+    } else if (ch == '>') {
+        // PDF spec says odd hexstrings have implicit trailing 0.
+        this->val += char(this->char_code);
+        this->type = tt_string;
+        this->state = st_token_ready;
+
+    } else if (isSpace(ch)) {
+        // ignore
+
+    } else {
+        this->type = tt_bad;
+        QTC::TC("qpdf", "QPDFTokenizer bad hexstring 2nd character");
+        this->error_message =
+            std::string("invalid character (") + ch + ") in hexstring";
+        this->state = st_token_ready;
     }
+}
 
-    this->m->state = st_token_ready;
+void
+QPDFTokenizer::inCharCode(char ch)
+{
+    if (('0' <= ch) && (ch <= '7')) {
+        this->char_code = 8 * this->char_code + (int(ch) - int('0'));
+        if (++(this->digit_count) < 3) {
+            return;
+        }
+        // We've accumulated \ddd.  PDF Spec says to ignore
+        // high-order overflow.
+    }
+    this->val += char(this->char_code % 256);
+    this->state = st_in_string;
+    return;
 }
 
 void
-QPDFTokenizer::expectInlineImage()
+QPDFTokenizer::inInlineImage(char ch)
 {
-    expectInlineImage(PointerHolder<InputSource>());
+    this->val += ch;
+    if (this->val.length() == this->inline_image_bytes) {
+        QTC::TC("qpdf", "QPDFTokenizer found EI by byte count");
+        this->type = tt_inline_image;
+        this->inline_image_bytes = 0;
+        this->state = st_token_ready;
+    }
 }
 
 void
-QPDFTokenizer::expectInlineImage(PointerHolder<InputSource> input)
+QPDFTokenizer::presentEOF()
 {
-    if (this->m->state != st_top)
-    {
+    switch (this->state) {
+    case st_name:
+    case st_name_hex1:
+    case st_name_hex2:
+    case st_number:
+    case st_real:
+    case st_sign:
+    case st_decimal:
+    case st_literal:
+        QTC::TC("qpdf", "QPDFTokenizer EOF reading appendable token");
+        // Push any delimiter to the state machine to finish off the final
+        // token.
+        presentCharacter('\f');
+        this->in_token = true;
+        break;
+
+    case st_top:
+    case st_before_token:
+        this->type = tt_eof;
+        break;
+
+    case st_in_space:
+        this->type = this->include_ignorable ? tt_space : tt_eof;
+        break;
+
+    case st_in_comment:
+        this->type = this->include_ignorable ? tt_comment : tt_bad;
+        break;
+
+    case st_token_ready:
+        break;
+
+    default:
+        QTC::TC("qpdf", "QPDFTokenizer EOF reading token");
+        this->type = tt_bad;
+        this->error_message = "EOF while reading token";
+    }
+    this->state = st_token_ready;
+}
+
+void
+QPDFTokenizer::expectInlineImage(std::shared_ptr<InputSource> input)
+{
+    if (this->state != st_before_token) {
         throw std::logic_error("QPDFTokenizer::expectInlineImage called"
                                " when tokenizer is in improper state");
     }
     findEI(input);
-    this->m->state = st_inline_image;
+    this->before_token = false;
+    this->in_token = true;
+    this->state = st_inline_image;
 }
 
 void
-QPDFTokenizer::findEI(PointerHolder<InputSource> input)
+QPDFTokenizer::findEI(std::shared_ptr<InputSource> input)
 {
-    if (! input.getPointer())
-    {
+    if (!input.get()) {
         return;
     }
 
@@ -708,14 +869,12 @@
 
     bool okay = false;
     bool first_try = true;
-    while (! okay)
-    {
+    while (!okay) {
         QPDFWordTokenFinder f(input, "EI");
-        if (! input->findFirst("EI", input->tell(), 0, f))
-        {
+        if (!input->findFirst("EI", input->tell(), 0, f)) {
             break;
         }
-        this->m->inline_image_bytes = input->tell() - pos - 2;
+        this->inline_image_bytes = QIntC::to_size(input->tell() - pos - 2);
 
         QPDFTokenizer check;
         bool found_bad = false;
@@ -726,21 +885,14 @@
         // bits per pixel, and color space are all required as well as
         // a BI and ID. If we get 10 good tokens in a row or hit EOF,
         // we can be pretty sure we've found the actual EI.
-        for (int i = 0; i < 10; ++i)
-        {
-            QPDFTokenizer::Token t =
-                check.readToken(input, "checker", true);
+        for (int i = 0; i < 10; ++i) {
+            QPDFTokenizer::Token t = check.readToken(input, "checker", true);
             token_type_e type = t.getType();
-            if (type == tt_eof)
-            {
+            if (type == tt_eof) {
                 okay = true;
-            }
-            else if (type == tt_bad)
-            {
+            } else if (type == tt_bad) {
                 found_bad = true;
-            }
-            else if (type == tt_word)
-            {
+            } else if (type == tt_word) {
                 // The qpdf tokenizer lumps alphabetic and otherwise
                 // uncategorized characters into "words". We recognize
                 // strings of alphabetic characters as potential valid
@@ -752,51 +904,39 @@
                 bool found_alpha = false;
                 bool found_non_printable = false;
                 bool found_other = false;
-                std::string value = t.getValue();
-                for (std::string::iterator iter = value.begin();
-                     iter != value.end(); ++iter)
-                {
-                    char ch = *iter;
+                for (char ch: t.getValue()) {
                     if (((ch >= 'a') && (ch <= 'z')) ||
-                        ((ch >= 'A') && (ch <= 'Z')) ||
-                        (ch == '*'))
-                    {
+                        ((ch >= 'A') && (ch <= 'Z')) || (ch == '*')) {
                         // Treat '*' as alpha since there are valid
                         // PDF operators that contain * along with
                         // alphabetic characters.
                         found_alpha = true;
-                    }
-                    else if (((ch < 32) && (! isSpace(ch))) || (ch > 127))
-                    {
+                    } else if (
+                        (static_cast<signed char>(ch) < 32) && (!isSpace(ch))) {
+                        // Compare ch as a signed char so characters
+                        // outside of 7-bit will be < 0.
                         found_non_printable = true;
                         break;
-                    }
-                    else
-                    {
+                    } else {
                         found_other = true;
                     }
                 }
-                if (found_non_printable || (found_alpha && found_other))
-                {
+                if (found_non_printable || (found_alpha && found_other)) {
                     found_bad = true;
                 }
             }
-            if (okay || found_bad)
-            {
+            if (okay || found_bad) {
                 break;
             }
         }
-        if (! found_bad)
-        {
+        if (!found_bad) {
             okay = true;
         }
-        if (! okay)
-        {
+        if (!okay) {
             first_try = false;
         }
     }
-    if (okay && (! first_try))
-    {
+    if (okay && (!first_try)) {
         QTC::TC("qpdf", "QPDFTokenizer found EI after more than one try");
     }
 
@@ -807,18 +947,16 @@
 bool
 QPDFTokenizer::getToken(Token& token, bool& unread_char, char& ch)
 {
-    bool ready = (this->m->state == st_token_ready);
-    unread_char = this->m->unread_char;
-    ch = this->m->char_to_unread;
-    if (ready)
-    {
-        if (this->m->type == tt_bad)
-        {
-            this->m->val = this->m->raw_val;
-        }
-	token = Token(this->m->type, this->m->val,
-                      this->m->raw_val, this->m->error_message);
-	this->m->reset();
+    bool ready = (this->state == st_token_ready);
+    unread_char = !this->in_token && !this->before_token;
+    ch = this->char_to_unread;
+    if (ready) {
+        token = (this->type == tt_bad)
+            ? Token(
+                  this->type, this->raw_val, this->raw_val, this->error_message)
+            : Token(this->type, this->val, this->raw_val, this->error_message);
+
+        this->reset();
     }
     return ready;
 }
@@ -826,88 +964,71 @@
 bool
 QPDFTokenizer::betweenTokens()
 {
-    return ((this->m->state == st_top) ||
-            ((! this->m->include_ignorable) &&
-             ((this->m->state == st_in_comment) ||
-              (this->m->state == st_in_space))));
+    return this->before_token;
 }
 
 QPDFTokenizer::Token
-QPDFTokenizer::readToken(PointerHolder<InputSource> input,
-                         std::string const& context,
-                         bool allow_bad,
-                         size_t max_len)
+QPDFTokenizer::readToken(
+    std::shared_ptr<InputSource> input,
+    std::string const& context,
+    bool allow_bad,
+    size_t max_len)
 {
-    qpdf_offset_t offset = input->tell();
-    Token token;
-    bool unread_char;
-    char char_to_unread;
-    bool presented_eof = false;
-    while (! getToken(token, unread_char, char_to_unread))
-    {
-	char ch;
-	if (input->read(&ch, 1) == 0)
-	{
-            if (! presented_eof)
-            {
-                presentEOF();
-                presented_eof = true;
-                if ((this->m->type == tt_eof) && (! this->m->allow_eof))
-                {
-                    // Nothing in the qpdf library calls readToken
-                    // without allowEOF anymore, so this case is not
-                    // exercised.
-                    this->m->type = tt_bad;
-                    this->m->error_message = "unexpected EOF";
-                    offset = input->getLastOffset();
-                }
+    qpdf_offset_t offset = input->fastTell();
+
+    while (this->state != st_token_ready) {
+        char ch;
+        if (!input->fastRead(ch)) {
+            presentEOF();
+
+            if ((this->type == tt_eof) && (!this->allow_eof)) {
+                // Nothing in the qpdf library calls readToken
+                // without allowEOF anymore, so this case is not
+                // exercised.
+                this->type = tt_bad;
+                this->error_message = "unexpected EOF";
+                offset = input->getLastOffset();
             }
-            else
-            {
-                throw std::logic_error(
-                    "getToken returned false after presenting EOF");
+        } else {
+            handleCharacter(ch);
+            if (this->before_token) {
+                ++offset;
             }
-	}
-	else
-	{
-	    presentCharacter(ch);
-	    if (betweenTokens() && (input->getLastOffset() == offset))
-	    {
-		++offset;
-	    }
-            if (max_len && (this->m->raw_val.length() >= max_len) &&
-                (this->m->state != st_token_ready))
-            {
+            if (this->in_token) {
+                this->raw_val += ch;
+            }
+            if (max_len && (this->raw_val.length() >= max_len) &&
+                (this->state != st_token_ready)) {
                 // terminate this token now
                 QTC::TC("qpdf", "QPDFTokenizer block long token");
-                this->m->type = tt_bad;
-                this->m->state = st_token_ready;
-                this->m->error_message =
+                this->type = tt_bad;
+                this->state = st_token_ready;
+                this->error_message =
                     "exceeded allowable length while reading token";
             }
-	}
+        }
     }
 
-    if (unread_char)
-    {
-	input->unreadCh(char_to_unread);
-    }
+    Token token;
+    bool unread_char;
+    char char_to_unread;
+    getToken(token, unread_char, char_to_unread);
+    input->fastUnread(unread_char);
 
-    if (token.getType() != tt_eof)
-    {
+    if (token.getType() != tt_eof) {
         input->setLastOffset(offset);
     }
 
-    if (token.getType() == tt_bad)
-    {
-        if (allow_bad)
-        {
+    if (token.getType() == tt_bad) {
+        if (allow_bad) {
             QTC::TC("qpdf", "QPDFTokenizer allowing bad token");
-        }
-        else
-        {
-            throw QPDFExc(qpdf_e_damaged_pdf, input->getName(),
-                          context, offset, token.getErrorMessage());
+        } else {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                input->getName(),
+                context,
+                offset,
+                token.getErrorMessage());
         }
     }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFUsage.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFValue.cc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFWriter.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFWriter.cc Changed

@@ -1,41 +1,68 @@
-#include <qpdf/qpdf-config.h>  // include first for large file support
+#include <qpdf/assert_debug.h>
+
+#include <qpdf/qpdf-config.h> // include early for large file support
+
 #include <qpdf/QPDFWriter.hh>
 
-#include <assert.h>
-#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/MD5.hh>
+#include <qpdf/Pl_AES_PDF.hh>
 #include <qpdf/Pl_Count.hh>
 #include <qpdf/Pl_Discard.hh>
-#include <qpdf/Pl_RC4.hh>
-#include <qpdf/Pl_AES_PDF.hh>
 #include <qpdf/Pl_Flate.hh>
-#include <qpdf/Pl_PNGFilter.hh>
 #include <qpdf/Pl_MD5.hh>
-#include <qpdf/QUtil.hh>
-#include <qpdf/MD5.hh>
-#include <qpdf/RC4.hh>
-#include <qpdf/QTC.hh>
-
+#include <qpdf/Pl_PNGFilter.hh>
+#include <qpdf/Pl_RC4.hh>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
 #include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QPDF_Name.hh>
 #include <qpdf/QPDF_String.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/RC4.hh>
 
 #include <algorithm>
 #include <stdlib.h>
 
+QPDFWriter::ProgressReporter::~ProgressReporter()
+{
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+}
+
+QPDFWriter::FunctionProgressReporter::FunctionProgressReporter(
+    std::function<void(int)> handler) :
+    handler(handler)
+{
+}
+
+QPDFWriter::FunctionProgressReporter::~FunctionProgressReporter()
+{
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+}
+
+void
+QPDFWriter::FunctionProgressReporter::reportProgress(int progress)
+{
+    this->handler(progress);
+}
+
 QPDFWriter::Members::Members(QPDF& pdf) :
     pdf(pdf),
-    filename(0),
-    file(0),
+    filename("unspecified"),
+    file(nullptr),
     close_file(false),
-    buffer_pipeline(0),
-    output_buffer(0),
+    buffer_pipeline(nullptr),
+    output_buffer(nullptr),
     normalize_content_set(false),
     normalize_content(false),
     compress_streams(true),
     compress_streams_set(false),
     stream_decode_level(qpdf_dl_none),
     stream_decode_level_set(false),
+    recompress_flate(false),
     qdf_mode(false),
     preserve_unreferenced_objects(false),
     newline_before_endstream(false),
@@ -55,14 +82,15 @@
     min_extension_level(0),
     forced_extension_level(0),
     encryption_dict_objid(0),
-    pipeline(0),
+    pipeline(nullptr),
     next_objid(1),
     cur_stream_length_id(0),
     cur_stream_length(0),
     added_newline(false),
     max_ostream_index(0),
+    next_stack_id(0),
     deterministic_id(false),
-    md5_pipeline(0),
+    md5_pipeline(nullptr),
     did_write_setup(false),
     events_expected(0),
     events_seen(0),
@@ -72,9 +100,8 @@
 
 QPDFWriter::Members::~Members()
 {
-    if (file && close_file)
-    {
-	fclose(file);
+    if (file && close_file) {
+        fclose(file);
     }
     delete output_buffer;
 }
@@ -90,35 +117,28 @@
     setOutputFilename(filename);
 }
 
-QPDFWriter::QPDFWriter(QPDF& pdf, char const* description,
-                       FILE *file, bool close_file) :
+QPDFWriter::QPDFWriter(
+    QPDF& pdf, char const* description, FILE* file, bool close_file) :
     m(new Members(pdf))
 {
     setOutputFile(description, file, close_file);
 }
 
-QPDFWriter::~QPDFWriter()
-{
-}
-
 void
 QPDFWriter::setOutputFilename(char const* filename)
 {
     char const* description = filename;
-    FILE* f = 0;
+    FILE* f = nullptr;
     bool close_file = false;
-    if (filename == 0)
-    {
-	description = "standard output";
-	QTC::TC("qpdf", "QPDFWriter write to stdout");
-	f = stdout;
-	QUtil::binary_stdout();
-    }
-    else
-    {
-	QTC::TC("qpdf", "QPDFWriter write to file");
-	f = QUtil::safe_fopen(filename, "wb+");
-	close_file = true;
+    if (filename == nullptr) {
+        description = "standard output";
+        QTC::TC("qpdf", "QPDFWriter write to stdout");
+        f = stdout;
+        QUtil::binary_stdout();
+    } else {
+        QTC::TC("qpdf", "QPDFWriter write to file");
+        f = QUtil::safe_fopen(filename, "wb+");
+        close_file = true;
     }
     setOutputFile(description, f, close_file);
 }
@@ -129,9 +149,10 @@
     this->m->filename = description;
     this->m->file = file;
     this->m->close_file = close_file;
-    Pipeline* p = new Pl_StdioFile("qpdf output", file);
+    std::shared_ptr<Pipeline> p =
+        std::make_shared<Pl_StdioFile>("qpdf output", file);
     this->m->to_delete.push_back(p);
-    initializePipelineStack(p);
+    initializePipelineStack(p.get());
 }
 
 void
@@ -139,7 +160,8 @@
 {
     this->m->filename = "memory buffer";
     this->m->buffer_pipeline = new Pl_Buffer("qpdf output");
-    this->m->to_delete.push_back(this->m->buffer_pipeline);
+    this->m->to_delete.push_back(
+        std::shared_ptr<Pipeline>(this->m->buffer_pipeline));
     initializePipelineStack(this->m->buffer_pipeline);
 }
 
@@ -147,10 +169,16 @@
 QPDFWriter::getBuffer()
 {
     Buffer* result = this->m->output_buffer;
-    this->m->output_buffer = 0;
+    this->m->output_buffer = nullptr;
     return result;
 }
 
+std::shared_ptr<Buffer>
+QPDFWriter::getBufferSharedPointer()
+{
+    return std::shared_ptr<Buffer>(getBuffer());
+}
+
 void
 QPDFWriter::setOutputPipeline(Pipeline* p)
 {
@@ -167,20 +195,19 @@
 void
 QPDFWriter::setStreamDataMode(qpdf_stream_data_e mode)
 {
-    switch (mode)
-    {
-      case qpdf_s_uncompress:
+    switch (mode) {
+    case qpdf_s_uncompress:
         this->m->stream_decode_level =
             std::max(qpdf_dl_generalized, this->m->stream_decode_level);
         this->m->compress_streams = false;
         break;
 
-      case qpdf_s_preserve:
+    case qpdf_s_preserve:
         this->m->stream_decode_level = qpdf_dl_none;
         this->m->compress_streams = false;
         break;
 
-      case qpdf_s_compress:
+    case qpdf_s_compress:
         this->m->stream_decode_level =
             std::max(qpdf_dl_generalized, this->m->stream_decode_level);
         this->m->compress_streams = true;
@@ -190,7 +217,6 @@
     this->m->compress_streams_set = true;
 }
 
-
 void
 QPDFWriter::setCompressStreams(bool val)
 {
@@ -206,6 +232,12 @@
 }
 
 void
+QPDFWriter::setRecompressFlate(bool val)
+{
+    this->m->recompress_flate = val;
+}
+
+void
 QPDFWriter::setContentNormalization(bool val)
 {
     this->m->normalize_content_set = true;
@@ -231,68 +263,57 @@
 }
 
 void
-QPDFWriter::setMinimumPDFVersion(std::string const& version)
-{
-    setMinimumPDFVersion(version, 0);
-}
-
-void
-QPDFWriter::setMinimumPDFVersion(std::string const& version,
-                                 int extension_level)
+QPDFWriter::setMinimumPDFVersion(
+    std::string const& version, int extension_level)
 {
     bool set_version = false;
     bool set_extension_level = false;
-    if (this->m->min_pdf_version.empty())
-    {
-	set_version = true;
+    if (this->m->min_pdf_version.empty()) {
+        set_version = true;
         set_extension_level = true;
-    }
-    else
-    {
-	int old_major = 0;
-	int old_minor = 0;
-	int min_major = 0;
-	int min_minor = 0;
-	parseVersion(version, old_major, old_minor);
-	parseVersion(this->m->min_pdf_version, min_major, min_minor);
-        int compare = compareVersions(
-            old_major, old_minor, min_major, min_minor);
-	if (compare > 0)
-	{
-	    QTC::TC("qpdf", "QPDFWriter increasing minimum version",
-                    extension_level == 0 ? 0 : 1);
-	    set_version = true;
+    } else {
+        int old_major = 0;
+        int old_minor = 0;
+        int min_major = 0;
+        int min_minor = 0;
+        parseVersion(version, old_major, old_minor);
+        parseVersion(this->m->min_pdf_version, min_major, min_minor);
+        int compare =
+            compareVersions(old_major, old_minor, min_major, min_minor);
+        if (compare > 0) {
+            QTC::TC(
+                "qpdf",
+                "QPDFWriter increasing minimum version",
+                extension_level == 0 ? 0 : 1);
+            set_version = true;
             set_extension_level = true;
-	}
-        else if (compare == 0)
-        {
-            if (extension_level > this->m->min_extension_level)
-            {
+        } else if (compare == 0) {
+            if (extension_level > this->m->min_extension_level) {
                 QTC::TC("qpdf", "QPDFWriter increasing extension level");
                 set_extension_level = true;
             }
-	}
+        }
     }
 
-    if (set_version)
-    {
-	this->m->min_pdf_version = version;
+    if (set_version) {
+        this->m->min_pdf_version = version;
     }
-    if (set_extension_level)
-    {
+    if (set_extension_level) {
         this->m->min_extension_level = extension_level;
     }
 }
 
 void
-QPDFWriter::forcePDFVersion(std::string const& version)
+QPDFWriter::setMinimumPDFVersion(PDFVersion const& v)
 {
-    forcePDFVersion(version, 0);
+    std::string version;
+    int extension_level;
+    v.getVersion(version, extension_level);
+    setMinimumPDFVersion(version, extension_level);
 }
 
 void
-QPDFWriter::forcePDFVersion(std::string const& version,
-                            int extension_level)
+QPDFWriter::forcePDFVersion(std::string const& version, int extension_level)
 {
     this->m->forced_pdf_version = version;
     this->m->forced_extension_level = extension_level;
@@ -303,13 +324,10 @@
 {
     this->m->extra_header_text = text;
     if ((this->m->extra_header_text.length() > 0) &&
-        (*(this->m->extra_header_text.rbegin()) != '\n'))
-    {
+        (*(this->m->extra_header_text.rbegin()) != '\n')) {
         QTC::TC("qpdf", "QPDFWriter extra header text add newline");
         this->m->extra_header_text += "\n";
-    }
-    else
-    {
+    } else {
         QTC::TC("qpdf", "QPDFWriter extra header text no newline");
     }
 }
@@ -329,9 +347,8 @@
 void
 QPDFWriter::setStaticAesIV(bool val)
 {
-    if (val)
-    {
-	Pl_AES_PDF::useStaticIV();
+    if (val) {
+        Pl_AES_PDF::useStaticIV();
     }
 }
 
@@ -351,8 +368,7 @@
 QPDFWriter::setLinearization(bool val)
 {
     this->m->linearized = val;
-    if (val)
-    {
+    if (val) {
         this->m->pclm = false;
     }
 }
@@ -367,104 +383,92 @@
 QPDFWriter::setPCLm(bool val)
 {
     this->m->pclm = val;
-    if (val)
-    {
+    if (val) {
         this->m->linearized = false;
     }
 }
 
 void
-QPDFWriter::setR2EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_print, bool allow_modify,
-    bool allow_extract, bool allow_annotate)
+QPDFWriter::setR2EncryptionParametersInsecure(
+    char const* user_password,
+    char const* owner_password,
+    bool allow_print,
+    bool allow_modify,
+    bool allow_extract,
+    bool allow_annotate)
 {
     std::set<int> clear;
-    if (! allow_print)
-    {
-	clear.insert(3);
+    if (!allow_print) {
+        clear.insert(3);
     }
-    if (! allow_modify)
-    {
-	clear.insert(4);
+    if (!allow_modify) {
+        clear.insert(4);
     }
-    if (! allow_extract)
-    {
-	clear.insert(5);
+    if (!allow_extract) {
+        clear.insert(5);
     }
-    if (! allow_annotate)
-    {
-	clear.insert(6);
+    if (!allow_annotate) {
+        clear.insert(6);
     }
 
     setEncryptionParameters(user_password, owner_password, 1, 2, 5, clear);
 }
 
 void
-QPDFWriter::setR3EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify)
-{
-    std::set<int> clear;
-    interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        true, true, true, true, print, modify);
-    setEncryptionParameters(user_password, owner_password, 2, 3, 16, clear);
-}
-
-void
-QPDFWriter::setR3EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    bool allow_assemble, bool allow_annotate_and_form,
-    bool allow_form_filling, bool allow_modify_other,
+QPDFWriter::setR3EncryptionParametersInsecure(
+    char const* user_password,
+    char const* owner_password,
+    bool allow_accessibility,
+    bool allow_extract,
+    bool allow_assemble,
+    bool allow_annotate_and_form,
+    bool allow_form_filling,
+    bool allow_modify_other,
     qpdf_r3_print_e print)
 {
     std::set<int> clear;
     interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print, qpdf_r3m_all);
+        clear,
+        user_password,
+        owner_password,
+        allow_accessibility,
+        allow_extract,
+        allow_assemble,
+        allow_annotate_and_form,
+        allow_form_filling,
+        allow_modify_other,
+        print,
+        qpdf_r3m_all);
     setEncryptionParameters(user_password, owner_password, 2, 3, 16, clear);
 }
 
 void
-QPDFWriter::setR4EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-    bool encrypt_metadata, bool use_aes)
-{
-    std::set<int> clear;
-    interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        true, true, true, true, print, modify);
-    this->m->encrypt_use_aes = use_aes;
-    this->m->encrypt_metadata = encrypt_metadata;
-    setEncryptionParameters(user_password, owner_password, 4, 4, 16, clear);
-}
-
-void
-QPDFWriter::setR4EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    bool allow_assemble, bool allow_annotate_and_form,
-    bool allow_form_filling, bool allow_modify_other,
+QPDFWriter::setR4EncryptionParametersInsecure(
+    char const* user_password,
+    char const* owner_password,
+    bool allow_accessibility,
+    bool allow_extract,
+    bool allow_assemble,
+    bool allow_annotate_and_form,
+    bool allow_form_filling,
+    bool allow_modify_other,
     qpdf_r3_print_e print,
-    bool encrypt_metadata, bool use_aes)
+    bool encrypt_metadata,
+    bool use_aes)
 {
     std::set<int> clear;
     interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print, qpdf_r3m_all);
+        clear,
+        user_password,
+        owner_password,
+        allow_accessibility,
+        allow_extract,
+        allow_assemble,
+        allow_annotate_and_form,
+        allow_form_filling,
+        allow_modify_other,
+        print,
+        qpdf_r3m_all);
     this->m->encrypt_use_aes = use_aes;
     this->m->encrypt_metadata = encrypt_metadata;
     setEncryptionParameters(user_password, owner_password, 4, 4, 16, clear);
@@ -472,37 +476,30 @@
 
 void
 QPDFWriter::setR5EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-    bool encrypt_metadata)
-{
-    std::set<int> clear;
-    interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        true, true, true, true, print, modify);
-    this->m->encrypt_use_aes = true;
-    this->m->encrypt_metadata = encrypt_metadata;
-    setEncryptionParameters(user_password, owner_password, 5, 5, 32, clear);
-}
-
-void
-QPDFWriter::setR5EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    bool allow_assemble, bool allow_annotate_and_form,
-    bool allow_form_filling, bool allow_modify_other,
+    char const* user_password,
+    char const* owner_password,
+    bool allow_accessibility,
+    bool allow_extract,
+    bool allow_assemble,
+    bool allow_annotate_and_form,
+    bool allow_form_filling,
+    bool allow_modify_other,
     qpdf_r3_print_e print,
     bool encrypt_metadata)
 {
     std::set<int> clear;
     interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print, qpdf_r3m_all);
+        clear,
+        user_password,
+        owner_password,
+        allow_accessibility,
+        allow_extract,
+        allow_assemble,
+        allow_annotate_and_form,
+        allow_form_filling,
+        allow_modify_other,
+        print,
+        qpdf_r3m_all);
     this->m->encrypt_use_aes = true;
     this->m->encrypt_metadata = encrypt_metadata;
     setEncryptionParameters(user_password, owner_password, 5, 5, 32, clear);
@@ -510,37 +507,30 @@
 
 void
 QPDFWriter::setR6EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-    bool encrypt_metadata)
-{
-    std::set<int> clear;
-    interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        true, true, true, true, print, modify);
-    this->m->encrypt_use_aes = true;
-    this->m->encrypt_metadata = encrypt_metadata;
-    setEncryptionParameters(user_password, owner_password, 5, 6, 32, clear);
-}
-
-void
-QPDFWriter::setR6EncryptionParameters(
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    bool allow_assemble, bool allow_annotate_and_form,
-    bool allow_form_filling, bool allow_modify_other,
+    char const* user_password,
+    char const* owner_password,
+    bool allow_accessibility,
+    bool allow_extract,
+    bool allow_assemble,
+    bool allow_annotate_and_form,
+    bool allow_form_filling,
+    bool allow_modify_other,
     qpdf_r3_print_e print,
     bool encrypt_metadata)
 {
     std::set<int> clear;
     interpretR3EncryptionParameters(
-	clear, user_password, owner_password,
-	allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print, qpdf_r3m_all);
+        clear,
+        user_password,
+        owner_password,
+        allow_accessibility,
+        allow_extract,
+        allow_assemble,
+        allow_annotate_and_form,
+        allow_form_filling,
+        allow_modify_other,
+        print,
+        qpdf_r3m_all);
     this->m->encrypt_use_aes = true;
     this->m->encrypt_metadata = encrypt_metadata;
     setEncryptionParameters(user_password, owner_password, 5, 6, 32, clear);
@@ -549,11 +539,16 @@
 void
 QPDFWriter::interpretR3EncryptionParameters(
     std::set<int>& clear,
-    char const* user_password, char const* owner_password,
-    bool allow_accessibility, bool allow_extract,
-    bool allow_assemble, bool allow_annotate_and_form,
-    bool allow_form_filling, bool allow_modify_other,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify)
+    char const* user_password,
+    char const* owner_password,
+    bool allow_accessibility,
+    bool allow_extract,
+    bool allow_assemble,
+    bool allow_annotate_and_form,
+    bool allow_form_filling,
+    bool allow_modify_other,
+    qpdf_r3_print_e print,
+    qpdf_r3_modify_e modify)
 {
     // Acrobat 5 security options:
 
@@ -585,30 +580,27 @@
     // 11: document assembly even if 4 is clear
     // 12: high-resolution printing
 
-    if (! allow_accessibility)
-    {
+    if (!allow_accessibility) {
         // setEncryptionParameters sets this if R > 3
-	clear.insert(10);
+        clear.insert(10);
     }
-    if (! allow_extract)
-    {
-	clear.insert(5);
+    if (!allow_extract) {
+        clear.insert(5);
     }
 
     // Note: these switch statements all "fall through" (no break
     // statements).  Each option clears successively more access bits.
-    switch (print)
-    {
-      case qpdf_r3p_none:
-	clear.insert(3);	// any printing
+    switch (print) {
+    case qpdf_r3p_none:
+        clear.insert(3); // any printing
 
-      case qpdf_r3p_low:
-	clear.insert(12);	// high resolution printing
+    case qpdf_r3p_low:
+        clear.insert(12); // high resolution printing
 
-      case qpdf_r3p_full:
-	break;
+    case qpdf_r3p_full:
+        break;
 
-	// no default so gcc warns for missing cases
+        // no default so gcc warns for missing cases
     }
 
     // Modify options. The qpdf_r3_modify_e options control groups of
@@ -618,49 +610,48 @@
     // individually.
 
     // NOT EXERCISED IN TEST SUITE
-    switch (modify)
-    {
-      case qpdf_r3m_none:
-	clear.insert(11);	// document assembly
+    switch (modify) {
+    case qpdf_r3m_none:
+        clear.insert(11); // document assembly
 
-      case qpdf_r3m_assembly:
-	clear.insert(9);	// filling in form fields
+    case qpdf_r3m_assembly:
+        clear.insert(9); // filling in form fields
 
-      case qpdf_r3m_form:
-	clear.insert(6);	// modify annotations, fill in form fields
+    case qpdf_r3m_form:
+        clear.insert(6); // modify annotations, fill in form fields
 
-      case qpdf_r3m_annotate:
-	clear.insert(4);	// other modifications
+    case qpdf_r3m_annotate:
+        clear.insert(4); // other modifications
 
-      case qpdf_r3m_all:
-	break;
+    case qpdf_r3m_all:
+        break;
 
-	// no default so gcc warns for missing cases
+        // no default so gcc warns for missing cases
     }
     // END NOT EXERCISED IN TEST SUITE
 
-    if (! allow_assemble)
-    {
+    if (!allow_assemble) {
         clear.insert(11);
     }
-    if (! allow_annotate_and_form)
-    {
+    if (!allow_annotate_and_form) {
         clear.insert(6);
     }
-    if (! allow_form_filling)
-    {
+    if (!allow_form_filling) {
         clear.insert(9);
     }
-    if (! allow_modify_other)
-    {
+    if (!allow_modify_other) {
         clear.insert(4);
     }
 }
 
 void
 QPDFWriter::setEncryptionParameters(
-    char const* user_password, char const* owner_password,
-    int V, int R, int key_len, std::set<int>& bits_to_clear)
+    char const* user_password,
+    char const* owner_password,
+    int V,
+    int R,
+    int key_len,
+    std::set<int>& bits_to_clear)
 {
     // PDF specification refers to bits with the low bit numbered 1.
     // We have to convert this into a bit field.
@@ -669,8 +660,7 @@
     bits_to_clear.insert(1);
     bits_to_clear.insert(2);
 
-    if (R > 3)
-    {
+    if (R > 3) {
         // Bit 10 is deprecated and should always be set.  This used
         // to mean accessibility.  There is no way to disable
         // accessibility with R > 3.
@@ -679,10 +669,8 @@
 
     int P = 0;
     // Create the complement of P, then invert.
-    for (std::set<int>::iterator iter = bits_to_clear.begin();
-	 iter != bits_to_clear.end(); ++iter)
-    {
-	P |= (1 << ((*iter) - 1));
+    for (int b: bits_to_clear) {
+        P |= (1 << (b - 1));
     }
     P = ~P;
 
@@ -693,22 +681,48 @@
     std::string UE;
     std::string Perms;
     std::string encryption_key;
-    if (V < 5)
-    {
+    if (V < 5) {
         QPDF::compute_encryption_O_U(
-            user_password, owner_password, V, R, key_len, P,
-            this->m->encrypt_metadata, this->m->id1, O, U);
-    }
-    else
-    {
+            user_password,
+            owner_password,
+            V,
+            R,
+            key_len,
+            P,
+            this->m->encrypt_metadata,
+            this->m->id1,
+            O,
+            U);
+    } else {
         QPDF::compute_encryption_parameters_V5(
-            user_password, owner_password, V, R, key_len, P,
-            this->m->encrypt_metadata, this->m->id1,
-            encryption_key, O, U, OE, UE, Perms);
+            user_password,
+            owner_password,
+            V,
+            R,
+            key_len,
+            P,
+            this->m->encrypt_metadata,
+            this->m->id1,
+            encryption_key,
+            O,
+            U,
+            OE,
+            UE,
+            Perms);
     }
     setEncryptionParametersInternal(
-	V, R, key_len, P, O, U, OE, UE, Perms,
-        this->m->id1, user_password, encryption_key);
+        V,
+        R,
+        key_len,
+        P,
+        O,
+        U,
+        OE,
+        UE,
+        Perms,
+        this->m->id1,
+        user_password,
+        encryption_key);
 }
 
 void
@@ -716,26 +730,21 @@
 {
     this->m->preserve_encryption = false;
     QPDFObjectHandle trailer = qpdf.getTrailer();
-    if (trailer.hasKey("/Encrypt"))
-    {
+    if (trailer.hasKey("/Encrypt")) {
         generateID();
-        this->m->id1 =
-            trailer.getKey("/ID").getArrayItem(0).getStringValue();
-	QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
-	int V = encrypt.getKey("/V").getIntValue();
-	int key_len = 5;
-	if (V > 1)
-	{
-	    key_len = encrypt.getKey("/Length").getIntValue() / 8;
-	}
-	if (encrypt.hasKey("/EncryptMetadata") &&
-	    encrypt.getKey("/EncryptMetadata").isBool())
-	{
-	    this->m->encrypt_metadata =
-		encrypt.getKey("/EncryptMetadata").getBoolValue();
-	}
-        if (V >= 4)
-        {
+        this->m->id1 = trailer.getKey("/ID").getArrayItem(0).getStringValue();
+        QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
+        int V = encrypt.getKey("/V").getIntValueAsInt();
+        int key_len = 5;
+        if (V > 1) {
+            key_len = encrypt.getKey("/Length").getIntValueAsInt() / 8;
+        }
+        if (encrypt.hasKey("/EncryptMetadata") &&
+            encrypt.getKey("/EncryptMetadata").isBool()) {
+            this->m->encrypt_metadata =
+                encrypt.getKey("/EncryptMetadata").getBoolValue();
+        }
+        if (V >= 4) {
             // When copying encryption parameters, use AES even if the
             // original file did not.  Acrobat doesn't create files
             // with V >= 4 that don't use AES, and the logic of
@@ -744,150 +753,136 @@
             // different values.
             this->m->encrypt_use_aes = true;
         }
-	QTC::TC("qpdf", "QPDFWriter copy encrypt metadata",
-		this->m->encrypt_metadata ? 0 : 1);
-        QTC::TC("qpdf", "QPDFWriter copy use_aes",
-                this->m->encrypt_use_aes ? 0 : 1);
+        QTC::TC(
+            "qpdf",
+            "QPDFWriter copy encrypt metadata",
+            this->m->encrypt_metadata ? 0 : 1);
+        QTC::TC(
+            "qpdf",
+            "QPDFWriter copy use_aes",
+            this->m->encrypt_use_aes ? 0 : 1);
         std::string OE;
         std::string UE;
         std::string Perms;
         std::string encryption_key;
-        if (V >= 5)
-        {
+        if (V >= 5) {
             QTC::TC("qpdf", "QPDFWriter copy V5");
-	    OE = encrypt.getKey("/OE").getStringValue();
+            OE = encrypt.getKey("/OE").getStringValue();
             UE = encrypt.getKey("/UE").getStringValue();
-	    Perms = encrypt.getKey("/Perms").getStringValue();
+            Perms = encrypt.getKey("/Perms").getStringValue();
             encryption_key = qpdf.getEncryptionKey();
         }
 
-	setEncryptionParametersInternal(
-	    V,
-	    encrypt.getKey("/R").getIntValue(),
-    	    key_len,
-	    encrypt.getKey("/P").getIntValue(),
-	    encrypt.getKey("/O").getStringValue(),
-	    encrypt.getKey("/U").getStringValue(),
+        setEncryptionParametersInternal(
+            V,
+            encrypt.getKey("/R").getIntValueAsInt(),
+            key_len,
+            static_cast<int>(encrypt.getKey("/P").getIntValue()),
+            encrypt.getKey("/O").getStringValue(),
+            encrypt.getKey("/U").getStringValue(),
             OE,
             UE,
             Perms,
-	    this->m->id1,		// this->m->id1 == the other file's id1
-	    qpdf.getPaddedUserPassword(),
+            this->m->id1, // this->m->id1 == the other file's id1
+            qpdf.getPaddedUserPassword(),
             encryption_key);
     }
 }
 
 void
-QPDFWriter::disableIncompatibleEncryption(int major, int minor,
-                                          int extension_level)
+QPDFWriter::disableIncompatibleEncryption(
+    int major, int minor, int extension_level)
 {
-    if (! this->m->encrypted)
-    {
-	return;
+    if (!this->m->encrypted) {
+        return;
     }
 
     bool disable = false;
-    if (compareVersions(major, minor, 1, 3) < 0)
-    {
-	disable = true;
-    }
-    else
-    {
-	int V = QUtil::string_to_int(
-            this->m->encryption_dictionary"/V".c_str());
-	int R = QUtil::string_to_int(
-            this->m->encryption_dictionary"/R".c_str());
-	if (compareVersions(major, minor, 1, 4) < 0)
-	{
-	    if ((V > 1) || (R > 2))
-	    {
-		disable = true;
-	    }
-	}
-	else if (compareVersions(major, minor, 1, 5) < 0)
-	{
-	    if ((V > 2) || (R > 3))
-	    {
-		disable = true;
-	    }
-	}
-	else if (compareVersions(major, minor, 1, 6) < 0)
-	{
-	    if (this->m->encrypt_use_aes)
-	    {
-		disable = true;
-	    }
-	}
-        else if ((compareVersions(major, minor, 1, 7) < 0) ||
-                 ((compareVersions(major, minor, 1, 7) == 0) &&
-                  extension_level < 3))
-        {
-            if ((V >= 5) || (R >= 5))
-            {
+    if (compareVersions(major, minor, 1, 3) < 0) {
+        disable = true;
+    } else {
+        int V =
+            QUtil::string_to_int(this->m->encryption_dictionary"/V".c_str());
+        int R =
+            QUtil::string_to_int(this->m->encryption_dictionary"/R".c_str());
+        if (compareVersions(major, minor, 1, 4) < 0) {
+            if ((V > 1) || (R > 2)) {
+                disable = true;
+            }
+        } else if (compareVersions(major, minor, 1, 5) < 0) {
+            if ((V > 2) || (R > 3)) {
+                disable = true;
+            }
+        } else if (compareVersions(major, minor, 1, 6) < 0) {
+            if (this->m->encrypt_use_aes) {
+                disable = true;
+            }
+        } else if (
+            (compareVersions(major, minor, 1, 7) < 0) ||
+            ((compareVersions(major, minor, 1, 7) == 0) &&
+             extension_level < 3)) {
+            if ((V >= 5) || (R >= 5)) {
                 disable = true;
             }
         }
     }
-    if (disable)
-    {
-	QTC::TC("qpdf", "QPDFWriter forced version disabled encryption");
-	this->m->encrypted = false;
+    if (disable) {
+        QTC::TC("qpdf", "QPDFWriter forced version disabled encryption");
+        this->m->encrypted = false;
     }
 }
 
 void
-QPDFWriter::parseVersion(std::string const& version,
-			 int& major, int& minor) const
+QPDFWriter::parseVersion(
+    std::string const& version, int& major, int& minor) const
 {
     major = QUtil::string_to_int(version.c_str());
     minor = 0;
     size_t p = version.find('.');
-    if ((p != std::string::npos) && (version.length() > p))
-    {
-	minor = QUtil::string_to_int(version.substr(p + 1).c_str());
+    if ((p != std::string::npos) && (version.length() > p)) {
+        minor = QUtil::string_to_int(version.substr(p + 1).c_str());
     }
-    std::string tmp = QUtil::int_to_string(major) + "." +
-	QUtil::int_to_string(minor);
-    if (tmp != version)
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: QPDFWriter::parseVersion"
-	    " called with invalid version number " + version);
+    std::string tmp =
+        QUtil::int_to_string(major) + "." + QUtil::int_to_string(minor);
+    if (tmp != version) {
+        // The version number in the input is probably invalid. This
+        // happens with some files that are designed to exercise bugs,
+        // such as files in the fuzzer corpus. Unfortunately
+        // QPDFWriter doesn't have a way to give a warning, so we just
+        // ignore this case.
     }
 }
 
 int
-QPDFWriter::compareVersions(int major1, int minor1,
-			    int major2, int minor2) const
+QPDFWriter::compareVersions(
+    int major1, int minor1, int major2, int minor2) const
 {
-    if (major1 < major2)
-    {
-	return -1;
-    }
-    else if (major1 > major2)
-    {
-	return 1;
-    }
-    else if (minor1 < minor2)
-    {
-	return -1;
-    }
-    else if (minor1 > minor2)
-    {
-	return 1;
-    }
-    else
-    {
-	return 0;
+    if (major1 < major2) {
+        return -1;
+    } else if (major1 > major2) {
+        return 1;
+    } else if (minor1 < minor2) {
+        return -1;
+    } else if (minor1 > minor2) {
+        return 1;
+    } else {
+        return 0;
     }
 }
 
 void
 QPDFWriter::setEncryptionParametersInternal(
-    int V, int R, int key_len, long P,
-    std::string const& O, std::string const& U,
-    std::string const& OE, std::string const& UE, std::string const& Perms,
-    std::string const& id1, std::string const& user_password,
+    int V,
+    int R,
+    int key_len,
+    int P,
+    std::string const& O,
+    std::string const& U,
+    std::string const& OE,
+    std::string const& UE,
+    std::string const& Perms,
+    std::string const& id1,
+    std::string const& user_password,
     std::string const& encryption_key)
 {
     this->m->encryption_V = V;
@@ -900,66 +895,51 @@
     this->m->encryption_dictionary"/P" = QUtil::int_to_string(P);
     this->m->encryption_dictionary"/O" = QPDF_String(O).unparse(true);
     this->m->encryption_dictionary"/U" = QPDF_String(U).unparse(true);
-    if (V >= 5)
-    {
+    if (V >= 5) {
         this->m->encryption_dictionary"/OE" = QPDF_String(OE).unparse(true);
         this->m->encryption_dictionary"/UE" = QPDF_String(UE).unparse(true);
         this->m->encryption_dictionary"/Perms" =
             QPDF_String(Perms).unparse(true);
     }
-    if (R >= 6)
-    {
+    if (R >= 6) {
         setMinimumPDFVersion("1.7", 8);
-    }
-    else if (R == 5)
-    {
+    } else if (R == 5) {
         setMinimumPDFVersion("1.7", 3);
-    }
-    else if (R == 4)
-    {
+    } else if (R == 4) {
         setMinimumPDFVersion(this->m->encrypt_use_aes ? "1.6" : "1.5");
-    }
-    else if (R == 3)
-    {
+    } else if (R == 3) {
         setMinimumPDFVersion("1.4");
-    }
-    else
-    {
+    } else {
         setMinimumPDFVersion("1.3");
     }
 
-    if ((R >= 4) && (! this->m->encrypt_metadata))
-    {
-	this->m->encryption_dictionary"/EncryptMetadata" = "false";
+    if ((R >= 4) && (!this->m->encrypt_metadata)) {
+        this->m->encryption_dictionary"/EncryptMetadata" = "false";
     }
-    if ((V == 4) || (V == 5))
-    {
-	// The spec says the value for the crypt filter key can be
-	// anything, and xpdf seems to agree.  However, Adobe Reader
-	// won't open our files unless we use /StdCF.
-	this->m->encryption_dictionary"/StmF" = "/StdCF";
-	this->m->encryption_dictionary"/StrF" = "/StdCF";
-	std::string method = (this->m->encrypt_use_aes
-                              ? ((V < 5) ? "/AESV2" : "/AESV3")
-                              : "/V2");
+    if ((V == 4) || (V == 5)) {
+        // The spec says the value for the crypt filter key can be
+        // anything, and xpdf seems to agree.  However, Adobe Reader
+        // won't open our files unless we use /StdCF.
+        this->m->encryption_dictionary"/StmF" = "/StdCF";
+        this->m->encryption_dictionary"/StrF" = "/StdCF";
+        std::string method =
+            (this->m->encrypt_use_aes ? ((V < 5) ? "/AESV2" : "/AESV3")
+                                      : "/V2");
         // The PDF spec says the /Length key is optional, but the PDF
         // previewer on some versions of MacOS won't open encrypted
         // files without it.
-	this->m->encryption_dictionary"/CF" =
-	    "<< /StdCF << /AuthEvent /DocOpen /CFM " + method +
-            " /Length " + std::string((V < 5) ? "16" : "32") + " >> >>";
+        this->m->encryption_dictionary"/CF" =
+            "<< /StdCF << /AuthEvent /DocOpen /CFM " + method + " /Length " +
+            std::string((V < 5) ? "16" : "32") + " >> >>";
     }
 
     this->m->encrypted = true;
     QPDF::EncryptionData encryption_data(
-	V, R, key_len, P, O, U, OE, UE, Perms, id1, this->m->encrypt_metadata);
-    if (V < 5)
-    {
-        this->m->encryption_key = QPDF::compute_encryption_key(
-            user_password, encryption_data);
-    }
-    else
-    {
+        V, R, key_len, P, O, U, OE, UE, Perms, id1, this->m->encrypt_metadata);
+    if (V < 5) {
+        this->m->encryption_key =
+            QPDF::compute_encryption_key(user_password, encryption_data);
+    } else {
         this->m->encryption_key = encryption_key;
     }
 }
@@ -968,18 +948,21 @@
 QPDFWriter::setDataKey(int objid)
 {
     this->m->cur_data_key = QPDF::compute_data_key(
-	this->m->encryption_key, objid, 0,
-        this->m->encrypt_use_aes, this->m->encryption_V, this->m->encryption_R);
+        this->m->encryption_key,
+        objid,
+        0,
+        this->m->encrypt_use_aes,
+        this->m->encryption_V,
+        this->m->encryption_R);
 }
 
-int
-QPDFWriter::bytesNeeded(unsigned long long n)
-{
-    int bytes = 0;
-    while (n)
-    {
-	++bytes;
-	n >>= 8;
+unsigned int
+QPDFWriter::bytesNeeded(long long n)
+{
+    unsigned int bytes = 0;
+    while (n) {
+        ++bytes;
+        n >>= 8;
     }
     return bytes;
 }
@@ -987,16 +970,14 @@
 void
 QPDFWriter::writeBinary(unsigned long long val, unsigned int bytes)
 {
-    if (bytes > sizeof(unsigned long long))
-    {
+    if (bytes > sizeof(unsigned long long)) {
         throw std::logic_error(
             "QPDFWriter::writeBinary called with too many bytes");
     }
     unsigned char datasizeof(unsigned long long);
-    for (unsigned int i = 0; i < bytes; ++i)
-    {
-	databytes - i - 1 = static_cast<unsigned char>(val & 0xff);
-	val >>= 8;
+    for (unsigned int i = 0; i < bytes; ++i) {
+        databytes - i - 1 = static_cast<unsigned char>(val & 0xff);
+        val >>= 8;
     }
     this->m->pipeline->write(data, bytes);
 }
@@ -1004,11 +985,11 @@
 void
 QPDFWriter::writeString(std::string const& str)
 {
-    this->m->pipeline->write(QUtil::unsigned_char_pointer(str), str.length());
+    this->m->pipeline->writeString(str);
 }
 
 void
-QPDFWriter::writeBuffer(PointerHolder<Buffer>& b)
+QPDFWriter::writeBuffer(std::shared_ptr<Buffer>& b)
 {
     this->m->pipeline->write(b->getBuffer(), b->getSize());
 }
@@ -1016,153 +997,159 @@
 void
 QPDFWriter::writeStringQDF(std::string const& str)
 {
-    if (this->m->qdf_mode)
-    {
-	writeString(str);
+    if (this->m->qdf_mode) {
+        writeString(str);
     }
 }
 
 void
 QPDFWriter::writeStringNoQDF(std::string const& str)
 {
-    if (! this->m->qdf_mode)
-    {
-	writeString(str);
+    if (!this->m->qdf_mode) {
+        writeString(str);
     }
 }
 
 void
 QPDFWriter::writePad(int nspaces)
 {
-    for (int i = 0; i < nspaces; ++i)
-    {
-	writeString(" ");
+    for (int i = 0; i < nspaces; ++i) {
+        writeString(" ");
     }
 }
 
 Pipeline*
 QPDFWriter::pushPipeline(Pipeline* p)
 {
-    assert(dynamic_cast<Pl_Count*>(p) == 0);
+    qpdf_assert_debug(dynamic_cast<Pl_Count*>(p) == nullptr);
     this->m->pipeline_stack.push_back(p);
     return p;
 }
 
 void
-QPDFWriter::initializePipelineStack(Pipeline *p)
+QPDFWriter::initializePipelineStack(Pipeline* p)
 {
-    this->m->pipeline = new Pl_Count("qpdf count", p);
-    this->m->to_delete.push_back(this->m->pipeline);
+    this->m->pipeline = new Pl_Count("pipeline stack base", p);
+    this->m->to_delete.push_back(std::shared_ptr<Pipeline>(this->m->pipeline));
     this->m->pipeline_stack.push_back(this->m->pipeline);
 }
 
 void
-QPDFWriter::activatePipelineStack()
+QPDFWriter::activatePipelineStack(PipelinePopper& pp)
 {
-    Pl_Count* c = new Pl_Count("count", this->m->pipeline_stack.back());
+    std::string stack_id(
+        "stack " + QUtil::uint_to_string(this->m->next_stack_id));
+    Pl_Count* c =
+        new Pl_Count(stack_id.c_str(), this->m->pipeline_stack.back());
+    ++this->m->next_stack_id;
     this->m->pipeline_stack.push_back(c);
     this->m->pipeline = c;
+    pp.stack_id = stack_id;
 }
 
-void
-QPDFWriter::popPipelineStack(PointerHolder<Buffer>* bp)
+QPDFWriter::PipelinePopper::~PipelinePopper()
 {
-    assert(this->m->pipeline_stack.size() >= 2);
-    this->m->pipeline->finish();
-    assert(dynamic_cast<Pl_Count*>(this->m->pipeline_stack.back()) ==
-	   this->m->pipeline);
-    delete this->m->pipeline_stack.back();
-    this->m->pipeline_stack.pop_back();
-    while (dynamic_cast<Pl_Count*>(this->m->pipeline_stack.back()) == 0)
-    {
-	Pipeline* p = this->m->pipeline_stack.back();
-        if (dynamic_cast<Pl_MD5*>(p) == this->m->md5_pipeline)
-        {
-            this->m->md5_pipeline = 0;
+    if (stack_id.empty()) {
+        return;
+    }
+    qpdf_assert_debug(qw->m->pipeline_stack.size() >= 2);
+    qw->m->pipeline->finish();
+    qpdf_assert_debug(
+        dynamic_cast<Pl_Count*>(qw->m->pipeline_stack.back()) ==
+        qw->m->pipeline);
+    // It might be possible for this assertion to fail if
+    // writeLinearized exits by exception when deterministic ID, but I
+    // don't think so. As of this writing, this is the only case in
+    // which two dynamically allocated PipelinePopper objects ever
+    // exist at the same time, so the assertion will fail if they get
+    // popped out of order from automatic destruction.
+    qpdf_assert_debug(qw->m->pipeline->getIdentifier() == stack_id);
+    delete qw->m->pipeline_stack.back();
+    qw->m->pipeline_stack.pop_back();
+    while (dynamic_cast<Pl_Count*>(qw->m->pipeline_stack.back()) == nullptr) {
+        Pipeline* p = qw->m->pipeline_stack.back();
+        if (dynamic_cast<Pl_MD5*>(p) == qw->m->md5_pipeline) {
+            qw->m->md5_pipeline = nullptr;
+        }
+        qw->m->pipeline_stack.pop_back();
+        Pl_Buffer* buf = dynamic_cast<Pl_Buffer*>(p);
+        if (bp && buf) {
+            *bp = buf->getBufferSharedPointer();
         }
-	this->m->pipeline_stack.pop_back();
-	Pl_Buffer* buf = dynamic_cast<Pl_Buffer*>(p);
-	if (bp && buf)
-	{
-	    *bp = buf->getBuffer();
-	}
-	delete p;
+        delete p;
     }
-    this->m->pipeline = dynamic_cast<Pl_Count*>(this->m->pipeline_stack.back());
+    qw->m->pipeline = dynamic_cast<Pl_Count*>(qw->m->pipeline_stack.back());
 }
 
 void
 QPDFWriter::adjustAESStreamLength(size_t& length)
 {
-    if (this->m->encrypted && (! this->m->cur_data_key.empty()) &&
-	this->m->encrypt_use_aes)
-    {
-	// Stream length will be padded with 1 to 16 bytes to end up
-	// as a multiple of 16.  It will also be prepended by 16 bits
-	// of random data.
-	length += 32 - (length & 0xf);
+    if (this->m->encrypted && (!this->m->cur_data_key.empty()) &&
+        this->m->encrypt_use_aes) {
+        // Stream length will be padded with 1 to 16 bytes to end up
+        // as a multiple of 16.  It will also be prepended by 16 bits
+        // of random data.
+        length += 32 - (length & 0xf);
     }
 }
 
 void
-QPDFWriter::pushEncryptionFilter()
-{
-    if (this->m->encrypted && (! this->m->cur_data_key.empty()))
-    {
-	Pipeline* p = 0;
-	if (this->m->encrypt_use_aes)
-	{
-	    p = new Pl_AES_PDF(
-		"aes stream encryption", this->m->pipeline, true,
-		QUtil::unsigned_char_pointer(this->m->cur_data_key),
+QPDFWriter::pushEncryptionFilter(PipelinePopper& pp)
+{
+    if (this->m->encrypted && (!this->m->cur_data_key.empty())) {
+        Pipeline* p = nullptr;
+        if (this->m->encrypt_use_aes) {
+            p = new Pl_AES_PDF(
+                "aes stream encryption",
+                this->m->pipeline,
+                true,
+                QUtil::unsigned_char_pointer(this->m->cur_data_key),
                 this->m->cur_data_key.length());
-	}
-	else
-	{
-	    p = new Pl_RC4("rc4 stream encryption", this->m->pipeline,
-			   QUtil::unsigned_char_pointer(this->m->cur_data_key),
-			   this->m->cur_data_key.length());
-	}
-	pushPipeline(p);
+        } else {
+            p = new Pl_RC4(
+                "rc4 stream encryption",
+                this->m->pipeline,
+                QUtil::unsigned_char_pointer(this->m->cur_data_key),
+                QIntC::to_int(this->m->cur_data_key.length()));
+        }
+        pushPipeline(p);
     }
     // Must call this unconditionally so we can call popPipelineStack
     // to balance pushEncryptionFilter().
-    activatePipelineStack();
+    activatePipelineStack(pp);
 }
 
 void
-QPDFWriter::pushDiscardFilter()
+QPDFWriter::pushDiscardFilter(PipelinePopper& pp)
 {
     pushPipeline(new Pl_Discard());
-    activatePipelineStack();
+    activatePipelineStack(pp);
 }
 
 void
-QPDFWriter::pushMD5Pipeline()
+QPDFWriter::pushMD5Pipeline(PipelinePopper& pp)
 {
-    if (! this->m->id2.empty())
-    {
+    if (!this->m->id2.empty()) {
         // Can't happen in the code
-        throw std::logic_error(
-            "Deterministic ID computation enabled after ID"
-            " generation has already occurred.");
+        throw std::logic_error("Deterministic ID computation enabled after ID"
+                               " generation has already occurred.");
     }
-    assert(this->m->deterministic_id);
-    assert(this->m->md5_pipeline == 0);
-    assert(this->m->pipeline->getCount() == 0);
+    qpdf_assert_debug(this->m->deterministic_id);
+    qpdf_assert_debug(this->m->md5_pipeline == nullptr);
+    qpdf_assert_debug(this->m->pipeline->getCount() == 0);
     this->m->md5_pipeline = new Pl_MD5("qpdf md5", this->m->pipeline);
     this->m->md5_pipeline->persistAcrossFinish(true);
     // Special case code in popPipelineStack clears this->m->md5_pipeline
     // upon deletion.
     pushPipeline(this->m->md5_pipeline);
-    activatePipelineStack();
+    activatePipelineStack(pp);
 }
 
 void
 QPDFWriter::computeDeterministicIDData()
 {
-    assert(this->m->md5_pipeline != 0);
-    assert(this->m->deterministic_id_data.empty());
+    qpdf_assert_debug(this->m->md5_pipeline != nullptr);
+    qpdf_assert_debug(this->m->deterministic_id_data.empty());
     this->m->deterministic_id_data = this->m->md5_pipeline->getHexDigest();
     this->m->md5_pipeline->enable(false);
 }
@@ -1170,9 +1157,8 @@
 int
 QPDFWriter::openObject(int objid)
 {
-    if (objid == 0)
-    {
-	objid = this->m->next_objid++;
+    if (objid == 0) {
+        objid = this->m->next_objid++;
     }
     this->m->xrefobjid = QPDFXRefEntry(1, this->m->pipeline->getCount(), 0);
     writeString(QUtil::int_to_string(objid));
@@ -1187,8 +1173,8 @@
     // repair.
     writeString("\nendobj\n");
     writeStringQDF("\n");
-    this->m->lengthsobjid = this->m->pipeline->getCount() -
-        this->m->xrefobjid.getOffset();
+    this->m->lengthsobjid =
+        this->m->pipeline->getCount() - this->m->xrefobjid.getOffset();
 }
 
 void
@@ -1196,30 +1182,29 @@
 {
     int objid = og.getObj();
     if ((og.getGen() != 0) ||
-        (this->m->object_stream_to_objects.count(objid) == 0))
-    {
+        (this->m->object_stream_to_objects.count(objid) == 0)) {
         // This is not an object stream.
-	return;
+        return;
     }
 
     // Reserve numbers for the objects that belong to this object
     // stream.
-    for (std::set<QPDFObjGen>::iterator iter =
-	     this->m->object_stream_to_objectsobjid.begin();
-	 iter != this->m->object_stream_to_objectsobjid.end();
-	 ++iter)
-    {
-	this->m->obj_renumber*iter = this->m->next_objid++;
+    for (auto const& iter: this->m->object_stream_to_objectsobjid) {
+        this->m->obj_renumberiter = this->m->next_objid++;
     }
 }
 
 void
 QPDFWriter::enqueueObject(QPDFObjectHandle object)
 {
-    if (object.isIndirect())
-    {
-        if (object.getOwningQPDF() != &(this->m->pdf))
-        {
+    if (object.isIndirect()) {
+        // This owner check can only be done for indirect objects. It
+        // is possible for a direct object to have an owning QPDF that
+        // is from another file if a direct QPDFObjectHandle from one
+        // file was insert into another file without copying. Doing
+        // that is safe even if the original QPDF gets destroyed,
+        // which just disconnects the QPDFObjectHandle from its owner.
+        if (object.getOwningQPDF() != &(this->m->pdf)) {
             QTC::TC("qpdf", "QPDFWriter foreign object");
             throw std::logic_error(
                 "QPDFObjectHandle from different QPDF found while writing."
@@ -1227,164 +1212,140 @@
                 " another file.");
         }
 
-	QPDFObjGen og = object.getObjGen();
-
-	if (this->m->obj_renumber.count(og) == 0)
-	{
-	    if (this->m->object_to_object_stream.count(og))
-	    {
-		// This is in an object stream.  Don't process it
-		// here.  Instead, enqueue the object stream.  Object
-		// streams always have generation 0.
-		int stream_id = this->m->object_to_object_streamog;
+        if (this->m->qdf_mode && object.isStreamOfType("/XRef")) {
+            // As a special case, do not output any extraneous XRef
+            // streams in QDF mode. Doing so will confuse fix-qdf,
+            // which expects to see only one XRef stream at the end of
+            // the file. This case can occur when creating a QDF from
+            // a file with object streams when preserving unreferenced
+            // objects since the old cross reference streams are not
+            // actually referenced by object number.
+            QTC::TC("qpdf", "QPDFWriter ignore XRef in qdf mode");
+            return;
+        }
+
+        QPDFObjGen og = object.getObjGen();
+
+        if (this->m->obj_renumber.count(og) == 0) {
+            if (this->m->object_to_object_stream.count(og)) {
+                // This is in an object stream.  Don't process it
+                // here.  Instead, enqueue the object stream.  Object
+                // streams always have generation 0.
+                int stream_id = this->m->object_to_object_streamog;
                 // Detect loops by storing invalid object ID 0, which
                 // will get overwritten later.
                 this->m->obj_renumberog = 0;
-		enqueueObject(this->m->pdf.getObjectByID(stream_id, 0));
-	    }
-	    else
-	    {
-		this->m->object_queue.push_back(object);
-		this->m->obj_renumberog = this->m->next_objid++;
-
-		if ((og.getGen() == 0) &&
-                    this->m->object_stream_to_objects.count(og.getObj()))
-		{
-		    // For linearized files, uncompressed objects go
-		    // at end, and we take care of assigning numbers
-		    // to them elsewhere.
-		    if (! this->m->linearized)
-		    {
-			assignCompressedObjectNumbers(og);
-		    }
-		}
-		else if ((! this->m->direct_stream_lengths) &&
-                         object.isStream())
-		{
-		    // reserve next object ID for length
-		    ++this->m->next_objid;
-		}
-	    }
-	}
-        else if (this->m->obj_renumberog == 0)
-        {
+                enqueueObject(this->m->pdf.getObjectByID(stream_id, 0));
+            } else {
+                this->m->object_queue.push_back(object);
+                this->m->obj_renumberog = this->m->next_objid++;
+
+                if ((og.getGen() == 0) &&
+                    this->m->object_stream_to_objects.count(og.getObj())) {
+                    // For linearized files, uncompressed objects go
+                    // at end, and we take care of assigning numbers
+                    // to them elsewhere.
+                    if (!this->m->linearized) {
+                        assignCompressedObjectNumbers(og);
+                    }
+                } else if (
+                    (!this->m->direct_stream_lengths) && object.isStream()) {
+                    // reserve next object ID for length
+                    ++this->m->next_objid;
+                }
+            }
+        } else if (this->m->obj_renumberog == 0) {
             // This can happen if a specially constructed file
             // indicates that an object stream is inside itself.
             QTC::TC("qpdf", "QPDFWriter ignore self-referential object stream");
         }
-    }
-    else if (object.isArray())
-    {
-	int n = object.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
-	    if (! this->m->linearized)
-	    {
-		enqueueObject(object.getArrayItem(i));
-	    }
-	}
-    }
-    else if (object.isDictionary())
-    {
-	std::set<std::string> keys = object.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-	    if (! this->m->linearized)
-	    {
-		enqueueObject(object.getKey(*iter));
-	    }
-	}
-    }
-    else
-    {
-	// ignore
+    } else if (object.isArray()) {
+        int n = object.getArrayNItems();
+        for (int i = 0; i < n; ++i) {
+            if (!this->m->linearized) {
+                enqueueObject(object.getArrayItem(i));
+            }
+        }
+    } else if (object.isDictionary()) {
+        for (auto const& key: object.getKeys()) {
+            if (!this->m->linearized) {
+                enqueueObject(object.getKey(key));
+            }
+        }
+    } else {
+        // ignore
     }
 }
 
 void
 QPDFWriter::unparseChild(QPDFObjectHandle child, int level, int flags)
 {
-    if (! this->m->linearized)
-    {
-	enqueueObject(child);
-    }
-    if (child.isIndirect())
-    {
-	QPDFObjGen old_og = child.getObjGen();
-	int new_id = this->m->obj_renumberold_og;
-	writeString(QUtil::int_to_string(new_id));
-	writeString(" 0 R");
+    if (!this->m->linearized) {
+        enqueueObject(child);
     }
-    else
-    {
-	unparseObject(child, level, flags);
+    if (child.isIndirect()) {
+        QPDFObjGen old_og = child.getObjGen();
+        int new_id = this->m->obj_renumberold_og;
+        writeString(QUtil::int_to_string(new_id));
+        writeString(" 0 R");
+    } else {
+        unparseObject(child, level, flags);
     }
 }
 
 void
-QPDFWriter::writeTrailer(trailer_e which, int size, bool xref_stream,
-                         qpdf_offset_t prev, int linearization_pass)
+QPDFWriter::writeTrailer(
+    trailer_e which,
+    int size,
+    bool xref_stream,
+    qpdf_offset_t prev,
+    int linearization_pass)
 {
     QPDFObjectHandle trailer = getTrimmedTrailer();
-    if (! xref_stream)
-    {
-	writeString("trailer <<");
+    if (xref_stream) {
+        this->m->cur_data_key.clear();
+    } else {
+        writeString("trailer <<");
     }
     writeStringQDF("\n");
-    if (which == t_lin_second)
-    {
-	writeString(" /Size ");
-	writeString(QUtil::int_to_string(size));
-    }
-    else
-    {
-	std::set<std::string> keys = trailer.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-	    std::string const& key = *iter;
-	    writeStringQDF("  ");
-	    writeStringNoQDF(" ");
-	    writeString(QPDF_Name::normalizeName(key));
-	    writeString(" ");
-	    if (key == "/Size")
-	    {
-		writeString(QUtil::int_to_string(size));
-		if (which == t_lin_first)
-		{
-		    writeString(" /Prev ");
-		    qpdf_offset_t pos = this->m->pipeline->getCount();
-		    writeString(QUtil::int_to_string(prev));
-		    int nspaces = pos - this->m->pipeline->getCount() + 21;
-		    if (nspaces < 0)
-                    {
+    if (which == t_lin_second) {
+        writeString(" /Size ");
+        writeString(QUtil::int_to_string(size));
+    } else {
+        for (auto const& key: trailer.getKeys()) {
+            writeStringQDF("  ");
+            writeStringNoQDF(" ");
+            writeString(QPDF_Name::normalizeName(key));
+            writeString(" ");
+            if (key == "/Size") {
+                writeString(QUtil::int_to_string(size));
+                if (which == t_lin_first) {
+                    writeString(" /Prev ");
+                    qpdf_offset_t pos = this->m->pipeline->getCount();
+                    writeString(QUtil::int_to_string(prev));
+                    int nspaces =
+                        QIntC::to_int(pos - this->m->pipeline->getCount() + 21);
+                    if (nspaces < 0) {
                         throw std::logic_error(
                             "QPDFWriter: no padding required in trailer");
                     }
-		    writePad(nspaces);
-		}
-	    }
-	    else
-	    {
-		unparseChild(trailer.getKey(key), 1, 0);
-	    }
-	    writeStringQDF("\n");
-	}
+                    writePad(nspaces);
+                }
+            } else {
+                unparseChild(trailer.getKey(key), 1, 0);
+            }
+            writeStringQDF("\n");
+        }
     }
 
     // Write ID
     writeStringQDF(" ");
     writeString(" /ID ");
-    if (linearization_pass == 1)
-    {
-	std::string original_id1 = getOriginalID1();
-        if (original_id1.empty())
-        {
+    if (linearization_pass == 1) {
+        std::string original_id1 = getOriginalID1();
+        if (original_id1.empty()) {
             writeString("<00000000000000000000000000000000>");
-        }
-        else
-        {
+        } else {
             // Write a string of zeroes equal in length to the
             // representation of the original ID. While writing the
             // original ID would have the same number of bytes, it
@@ -1393,18 +1354,14 @@
             // length of the ID to 16 bytes.
             writeString("<");
             size_t len = QPDF_String(original_id1).unparse(true).length() - 2;
-            for (size_t i = 0; i < len; ++i)
-            {
+            for (size_t i = 0; i < len; ++i) {
                 writeString("0");
             }
             writeString(">");
         }
         writeString("<00000000000000000000000000000000>");
-    }
-    else
-    {
-        if ((linearization_pass == 0) && (this->m->deterministic_id))
-        {
+    } else {
+        if ((linearization_pass == 0) && (this->m->deterministic_id)) {
             computeDeterministicIDData();
         }
         generateID();
@@ -1413,15 +1370,13 @@
     }
     writeString("");
 
-    if (which != t_lin_second)
-    {
-	// Write reference to encryption dictionary
-	if (this->m->encrypted)
-	{
-	    writeString(" /Encrypt ");
-	    writeString(QUtil::int_to_string(this->m->encryption_dict_objid));
-	    writeString(" 0 R");
-	}
+    if (which != t_lin_second) {
+        // Write reference to encryption dictionary
+        if (this->m->encrypted) {
+            writeString(" /Encrypt ");
+            writeString(QUtil::int_to_string(this->m->encryption_dict_objid));
+            writeString(" 0 R");
+        }
     }
 
     writeStringQDF("\n");
@@ -1429,58 +1384,141 @@
     writeString(">>");
 }
 
-void
-QPDFWriter::unparseObject(QPDFObjectHandle object, int level,
-			  unsigned int flags)
-{
-    unparseObject(object, level, flags, 0, false);
+bool
+QPDFWriter::willFilterStream(
+    QPDFObjectHandle stream,
+    bool& compress_stream,
+    bool& is_metadata,
+    std::shared_ptr<Buffer>* stream_data)
+{
+    compress_stream = false;
+    is_metadata = false;
+
+    QPDFObjGen old_og = stream.getObjGen();
+    QPDFObjectHandle stream_dict = stream.getDict();
+
+    if (stream_dict.isDictionaryOfType("/Metadata")) {
+        is_metadata = true;
+    }
+    bool filter =
+        (stream.isDataModified() || this->m->compress_streams ||
+         this->m->stream_decode_level);
+    bool filter_on_write = stream.getFilterOnWrite();
+    if (!filter_on_write) {
+        QTC::TC("qpdf", "QPDFWriter getFilterOnWrite false");
+        filter = false;
+    }
+    if (filter_on_write && this->m->compress_streams) {
+        // Don't filter if the stream is already compressed with
+        // FlateDecode. This way we don't make it worse if the
+        // original file used a better Flate algorithm, and we
+        // don't spend time and CPU cycles uncompressing and
+        // recompressing stuff. This can be overridden with
+        // setRecompressFlate(true).
+        QPDFObjectHandle filter_obj = stream_dict.getKey("/Filter");
+        if ((!this->m->recompress_flate) && (!stream.isDataModified()) &&
+            filter_obj.isName() &&
+            ((filter_obj.getName() == "/FlateDecode") ||
+             (filter_obj.getName() == "/Fl"))) {
+            QTC::TC("qpdf", "QPDFWriter not recompressing /FlateDecode");
+            filter = false;
+        }
+    }
+    bool normalize = false;
+    bool uncompress = false;
+    if (filter_on_write && is_metadata &&
+        ((!this->m->encrypted) || (this->m->encrypt_metadata == false))) {
+        QTC::TC("qpdf", "QPDFWriter not compressing metadata");
+        filter = true;
+        compress_stream = false;
+        uncompress = true;
+    } else if (
+        filter_on_write && this->m->normalize_content &&
+        this->m->normalized_streams.count(old_og)) {
+        normalize = true;
+        filter = true;
+    } else if (filter_on_write && filter && this->m->compress_streams) {
+        compress_stream = true;
+        QTC::TC("qpdf", "QPDFWriter compressing uncompressed stream");
+    }
+
+    bool filtered = false;
+    for (int attempt = 1; attempt <= 2; ++attempt) {
+        pushPipeline(new Pl_Buffer("stream data"));
+        PipelinePopper pp_stream_data(this, stream_data);
+        activatePipelineStack(pp_stream_data);
+        try {
+            filtered = stream.pipeStreamData(
+                this->m->pipeline,
+                (((filter && normalize) ? qpdf_ef_normalize : 0) |
+                 ((filter && compress_stream) ? qpdf_ef_compress : 0)),
+                (filter
+                     ? (uncompress ? qpdf_dl_all : this->m->stream_decode_level)
+                     : qpdf_dl_none),
+                false,
+                (attempt == 1));
+        } catch (std::runtime_error& e) {
+            throw std::runtime_error(
+                "error while getting stream data for " + stream.unparse() +
+                ": " + e.what());
+        }
+        if (filter && (!filtered)) {
+            // Try again
+            filter = false;
+        } else {
+            break;
+        }
+    }
+    if (!filtered) {
+        compress_stream = false;
+    }
+    return filtered;
 }
 
 void
-QPDFWriter::unparseObject(QPDFObjectHandle object, int level,
-			  unsigned int flags, size_t stream_length,
-                          bool compress)
+QPDFWriter::unparseObject(
+    QPDFObjectHandle object,
+    int level,
+    int flags,
+    size_t stream_length,
+    bool compress)
 {
     QPDFObjGen old_og = object.getObjGen();
-    unsigned int child_flags = flags & ~f_stream;
+    int child_flags = flags & ~f_stream;
 
     std::string indent;
-    for (int i = 0; i < level; ++i)
-    {
-	indent += "  ";
+    for (int i = 0; i < level; ++i) {
+        indent += "  ";
     }
 
-    if (object.isArray())
-    {
-	// Note: PDF spec 1.4 implementation note 121 states that
-	// Acrobat requires a space after the  in the /H key of the
-	// linearization parameter dictionary.  We'll do this
-	// unconditionally for all arrays because it looks nicer and
-	// doesn't make the files that much bigger.
-	writeString("");
-	writeStringQDF("\n");
-	int n = object.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
-	    writeStringQDF(indent);
-	    writeStringQDF("  ");
-	    writeStringNoQDF(" ");
-	    unparseChild(object.getArrayItem(i), level + 1, child_flags);
-	    writeStringQDF("\n");
-	}
-	writeStringQDF(indent);
-	writeStringNoQDF(" ");
-	writeString("");
-    }
-    else if (object.isDictionary())
-    {
+    if (object.isArray()) {
+        // Note: PDF spec 1.4 implementation note 121 states that
+        // Acrobat requires a space after the  in the /H key of the
+        // linearization parameter dictionary.  We'll do this
+        // unconditionally for all arrays because it looks nicer and
+        // doesn't make the files that much bigger.
+        writeString("");
+        writeStringQDF("\n");
+        int n = object.getArrayNItems();
+        for (int i = 0; i < n; ++i) {
+            writeStringQDF(indent);
+            writeStringQDF("  ");
+            writeStringNoQDF(" ");
+            unparseChild(object.getArrayItem(i), level + 1, child_flags);
+            writeStringQDF("\n");
+        }
+        writeStringQDF(indent);
+        writeStringNoQDF(" ");
+        writeString("");
+    } else if (object.isDictionary()) {
         // Make a shallow copy of this object so we can modify it
-        // safely without affecting the original.  This code makes
-        // assumptions about things that are made true in
-        // prepareFileForWrite, such as that certain things are direct
-        // objects so that replacing them doesn't leave unreferenced
-        // objects in the output.
-        object = object.shallowCopy();
+        // safely without affecting the original. This code has logic
+        // to skip certain keys in agreement with prepareFileForWrite
+        // and with skip_stream_parameters so that replacing them
+        // doesn't leave unreferenced objects in the output. We can
+        // use unsafeShallowCopy here because we are all we are doing
+        // is removing or replacing top-level keys.
+        object = object.unsafeShallowCopy();
 
         // Handle special cases for specific dictionaries.
 
@@ -1508,51 +1546,43 @@
         bool have_extensions_adbe = false;
 
         QPDFObjectHandle extensions;
-        if (old_og == this->m->pdf.getRoot().getObjGen())
-        {
+        if ((old_og.getObj() != 0) &&
+            (old_og == this->m->pdf.getRoot().getObjGen())) {
             is_root = true;
             if (object.hasKey("/Extensions") &&
-                object.getKey("/Extensions").isDictionary())
-            {
+                object.getKey("/Extensions").isDictionary()) {
                 extensions = object.getKey("/Extensions");
             }
         }
 
-        if (extensions.isInitialized())
-        {
+        if (extensions.isInitialized()) {
             std::set<std::string> keys = extensions.getKeys();
-            if (keys.count("/ADBE") > 0)
-            {
+            if (keys.count("/ADBE") > 0) {
                 have_extensions_adbe = true;
                 keys.erase("/ADBE");
             }
-            if (keys.size() > 0)
-            {
+            if (keys.size() > 0) {
                 have_extensions_other = true;
             }
         }
 
         bool need_extensions_adbe = (this->m->final_extension_level > 0);
 
-        if (is_root)
-        {
-            if (need_extensions_adbe)
-            {
-                if (! (have_extensions_other || have_extensions_adbe))
-                {
+        if (is_root) {
+            if (need_extensions_adbe) {
+                if (!(have_extensions_other || have_extensions_adbe)) {
                     // We need Extensions and don't have it.  Create
                     // it here.
-                    QTC::TC("qpdf", "QPDFWriter create Extensions",
-                            this->m->qdf_mode ? 0 : 1);
-                    extensions = QPDFObjectHandle::newDictionary();
-                    object.replaceKey("/Extensions", extensions);
+                    QTC::TC(
+                        "qpdf",
+                        "QPDFWriter create Extensions",
+                        this->m->qdf_mode ? 0 : 1);
+                    extensions = object.replaceKeyAndGetNew(
+                        "/Extensions", QPDFObjectHandle::newDictionary());
                 }
-            }
-            else if (! have_extensions_other)
-            {
+            } else if (!have_extensions_other) {
                 // We have Extensions dictionary and don't want one.
-                if (have_extensions_adbe)
-                {
+                if (have_extensions_adbe) {
                     QTC::TC("qpdf", "QPDFWriter remove existing Extensions");
                     object.removeKey("/Extensions");
                     extensions = QPDFObjectHandle(); // uninitialized
@@ -1560,26 +1590,18 @@
             }
         }
 
-        if (extensions.isInitialized())
-        {
+        if (extensions.isInitialized()) {
             QTC::TC("qpdf", "QPDFWriter preserve Extensions");
             QPDFObjectHandle adbe = extensions.getKey("/ADBE");
             if (adbe.isDictionary() &&
-                adbe.hasKey("/BaseVersion") &&
-                adbe.getKey("/BaseVersion").isName() &&
-                (adbe.getKey("/BaseVersion").getName() ==
-                 "/" + this->m->final_pdf_version) &&
-                adbe.hasKey("/ExtensionLevel") &&
+                adbe.getKey("/BaseVersion")
+                    .isNameAndEquals("/" + this->m->final_pdf_version) &&
                 adbe.getKey("/ExtensionLevel").isInteger() &&
                 (adbe.getKey("/ExtensionLevel").getIntValue() ==
-                 this->m->final_extension_level))
-            {
+                 this->m->final_extension_level)) {
                 QTC::TC("qpdf", "QPDFWriter preserve ADBE");
-            }
-            else
-            {
-                if (need_extensions_adbe)
-                {
+            } else {
+                if (need_extensions_adbe) {
                     extensions.replaceKey(
                         "/ADBE",
                         QPDFObjectHandle::parse(
@@ -1588,9 +1610,7 @@
                             QUtil::int_to_string(
                                 this->m->final_extension_level) +
                             " >>"));
-                }
-                else
-                {
+                } else {
                     QTC::TC("qpdf", "QPDFWriter remove ADBE");
                     extensions.removeKey("/ADBE");
                 }
@@ -1599,45 +1619,41 @@
 
         // Stream dictionaries.
 
-        if (flags & f_stream)
-        {
+        if (flags & f_stream) {
             // Suppress /Length since we will write it manually
             object.removeKey("/Length");
 
-	    if (flags & f_filtered)
-            {
+            // If /DecodeParms is an empty list, remove it.
+            if (object.getKey("/DecodeParms").isArray() &&
+                (0 == object.getKey("/DecodeParms").getArrayNItems())) {
+                QTC::TC("qpdf", "QPDFWriter remove empty DecodeParms");
+                object.removeKey("/DecodeParms");
+            }
+
+            if (flags & f_filtered) {
                 // We will supply our own filter and decode
                 // parameters.
                 object.removeKey("/Filter");
                 object.removeKey("/DecodeParms");
-            }
-            else
-            {
+            } else {
                 // Make sure, no matter what else we have, that we
                 // don't have /Crypt in the output filters.
                 QPDFObjectHandle filter = object.getKey("/Filter");
                 QPDFObjectHandle decode_parms = object.getKey("/DecodeParms");
-                if (filter.isOrHasName("/Crypt"))
-                {
-                    if (filter.isName())
-                    {
+                if (filter.isOrHasName("/Crypt")) {
+                    if (filter.isName()) {
                         object.removeKey("/Filter");
                         object.removeKey("/DecodeParms");
-                    }
-                    else
-                    {
+                    } else {
                         int idx = -1;
-                        for (int i = 0; i < filter.getArrayNItems(); ++i)
-                        {
+                        for (int i = 0; i < filter.getArrayNItems(); ++i) {
                             QPDFObjectHandle item = filter.getArrayItem(i);
-                            if (item.isName() && item.getName() == "/Crypt")
-                            {
+                            if (item.isNameAndEquals("/Crypt")) {
                                 idx = i;
                                 break;
                             }
                         }
-                        if (idx >= 0)
-                        {
+                        if (idx >= 0) {
                             // If filter is an array, then the code in
                             // QPDF_Stream has already verified that
                             // DecodeParms and Filters are arrays of
@@ -1653,238 +1669,148 @@
             }
         }
 
-	writeString("<<");
-	writeStringQDF("\n");
+        writeString("<<");
+        writeStringQDF("\n");
 
-	std::set<std::string> keys = object.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-	    std::string const& key = *iter;
-
-	    writeStringQDF(indent);
-	    writeStringQDF("  ");
-	    writeStringNoQDF(" ");
-	    writeString(QPDF_Name::normalizeName(key));
-	    writeString(" ");
-            unparseChild(object.getKey(key), level + 1, child_flags);
-	    writeStringQDF("\n");
-	}
-
-	if (flags & f_stream)
-	{
-	    writeStringQDF(indent);
-	    writeStringQDF(" ");
-	    writeString(" /Length ");
-
-	    if (this->m->direct_stream_lengths)
-	    {
-		writeString(QUtil::int_to_string(stream_length));
-	    }
-	    else
-	    {
-		writeString(
-		    QUtil::int_to_string(this->m->cur_stream_length_id));
-		writeString(" 0 R");
-	    }
-	    writeStringQDF("\n");
-	    if (compress && (flags & f_filtered))
-	    {
-		writeStringQDF(indent);
-		writeStringQDF(" ");
-		writeString(" /Filter /FlateDecode");
-		writeStringQDF("\n");
-	    }
-	}
-
-	writeStringQDF(indent);
-	writeStringNoQDF(" ");
-	writeString(">>");
-    }
-    else if (object.isStream())
-    {
-	// Write stream data to a buffer.
-	int new_id = this->m->obj_renumberold_og;
-	if (! this->m->direct_stream_lengths)
-	{
-	    this->m->cur_stream_length_id = new_id + 1;
-	}
-	QPDFObjectHandle stream_dict = object.getDict();
-
-	bool is_metadata = false;
-	if (stream_dict.getKey("/Type").isName() &&
-	    (stream_dict.getKey("/Type").getName() == "/Metadata"))
-	{
-	    is_metadata = true;
-	}
-	bool filter = (object.isDataModified() ||
-                       this->m->compress_streams ||
-                       this->m->stream_decode_level);
-	if (this->m->compress_streams)
-	{
-	    // Don't filter if the stream is already compressed with
-	    // FlateDecode.  We don't want to make it worse by getting
-	    // rid of a predictor or otherwise messing with it.  We
-	    // should also avoid messing with anything that's
-	    // compressed with a lossy compression scheme, but we
-	    // don't support any of those right now.
-	    QPDFObjectHandle filter_obj = stream_dict.getKey("/Filter");
-            if ((! object.isDataModified()) &&
-                filter_obj.isName() &&
-		((filter_obj.getName() == "/FlateDecode") ||
-		 (filter_obj.getName() == "/Fl")))
-	    {
-		QTC::TC("qpdf", "QPDFWriter not recompressing /FlateDecode");
-		filter = false;
-	    }
-	}
-	bool normalize = false;
-	bool compress = false;
-        bool uncompress = false;
-	if (is_metadata &&
-	    ((! this->m->encrypted) || (this->m->encrypt_metadata == false)))
-	{
-	    QTC::TC("qpdf", "QPDFWriter not compressing metadata");
-	    filter = true;
-	    compress = false;
-            uncompress = true;
-	}
-	else if (this->m->normalize_content &&
-                 this->m->normalized_streams.count(old_og))
-	{
-	    normalize = true;
-	    filter = true;
-	}
-	else if (filter && this->m->compress_streams)
-	{
-	    compress = true;
-	    QTC::TC("qpdf", "QPDFWriter compressing uncompressed stream");
-	}
-
-	flags |= f_stream;
-
-        PointerHolder<Buffer> stream_data;
-        bool filtered = false;
-        for (int attempt = 1; attempt <= 2; ++attempt)
-        {
-            pushPipeline(new Pl_Buffer("stream data"));
-            activatePipelineStack();
-
-            filtered =
-                object.pipeStreamData(
-                    this->m->pipeline,
-                    (((filter && normalize) ? qpdf_ef_normalize : 0) |
-                     ((filter && compress) ? qpdf_ef_compress : 0)),
-                    (filter
-                     ? (uncompress ? qpdf_dl_all : this->m->stream_decode_level)
-                     : qpdf_dl_none), false, (attempt == 1));
-            popPipelineStack(&stream_data);
-            if (filter && (! filtered))
-            {
-                // Try again
-                filter = false;
-            }
-            else
-            {
-                break;
-            }
+        for (auto const& key: object.getKeys()) {
+            writeStringQDF(indent);
+            writeStringQDF("  ");
+            writeStringNoQDF(" ");
+            writeString(QPDF_Name::normalizeName(key));
+            writeString(" ");
+            if (key == "/Contents" && object.isDictionaryOfType("/Sig") &&
+                object.hasKey("/ByteRange")) {
+                QTC::TC("qpdf", "QPDFWriter no encryption sig contents");
+                unparseChild(
+                    object.getKey(key),
+                    level + 1,
+                    child_flags | f_hex_string | f_no_encryption);
+            } else {
+                unparseChild(object.getKey(key), level + 1, child_flags);
+            }
+            writeStringQDF("\n");
+        }
+
+        if (flags & f_stream) {
+            writeStringQDF(indent);
+            writeStringQDF(" ");
+            writeString(" /Length ");
+
+            if (this->m->direct_stream_lengths) {
+                writeString(QUtil::uint_to_string(stream_length));
+            } else {
+                writeString(
+                    QUtil::int_to_string(this->m->cur_stream_length_id));
+                writeString(" 0 R");
+            }
+            writeStringQDF("\n");
+            if (compress && (flags & f_filtered)) {
+                writeStringQDF(indent);
+                writeStringQDF(" ");
+                writeString(" /Filter /FlateDecode");
+                writeStringQDF("\n");
+            }
+        }
+
+        writeStringQDF(indent);
+        writeStringNoQDF(" ");
+        writeString(">>");
+    } else if (object.isStream()) {
+        // Write stream data to a buffer.
+        int new_id = this->m->obj_renumberold_og;
+        if (!this->m->direct_stream_lengths) {
+            this->m->cur_stream_length_id = new_id + 1;
+        }
+
+        flags |= f_stream;
+        bool compress_stream = false;
+        bool is_metadata = false;
+        std::shared_ptr<Buffer> stream_data;
+        if (willFilterStream(
+                object, compress_stream, is_metadata, &stream_data)) {
+            flags |= f_filtered;
+        }
+        QPDFObjectHandle stream_dict = object.getDict();
+
+        this->m->cur_stream_length = stream_data->getSize();
+        if (is_metadata && this->m->encrypted && (!this->m->encrypt_metadata)) {
+            // Don't encrypt stream data for the metadata stream
+            this->m->cur_data_key.clear();
+        }
+        adjustAESStreamLength(this->m->cur_stream_length);
+        unparseObject(
+            stream_dict, 0, flags, this->m->cur_stream_length, compress_stream);
+        unsigned char last_char = '\0';
+        writeString("\nstream\n");
+        {
+            PipelinePopper pp_enc(this);
+            pushEncryptionFilter(pp_enc);
+            writeBuffer(stream_data);
+            last_char = this->m->pipeline->getLastChar();
         }
-	if (filtered)
-	{
-	    flags |= f_filtered;
-	}
-	else
-	{
-	    compress = false;
-	}
-
-	this->m->cur_stream_length = stream_data->getSize();
-	if (is_metadata && this->m->encrypted && (! this->m->encrypt_metadata))
-	{
-	    // Don't encrypt stream data for the metadata stream
-	    this->m->cur_data_key.clear();
-	}
-	adjustAESStreamLength(this->m->cur_stream_length);
-	unparseObject(stream_dict, 0, flags,
-                      this->m->cur_stream_length, compress);
-	writeString("\nstream\n");
-	pushEncryptionFilter();
-	writeBuffer(stream_data);
-	char last_char = this->m->pipeline->getLastChar();
-	popPipelineStack();
 
         if (this->m->newline_before_endstream ||
-            (this->m->qdf_mode && (last_char != '\n')))
-        {
+            (this->m->qdf_mode && (last_char != '\n'))) {
             writeString("\n");
             this->m->added_newline = true;
-        }
-        else
-        {
+        } else {
             this->m->added_newline = false;
         }
-	writeString("endstream");
-    }
-    else if (object.isString())
-    {
-	std::string val;
-	if (this->m->encrypted &&
-	    (! (flags & f_in_ostream)) &&
-	    (! this->m->cur_data_key.empty()))
-	{
-	    val = object.getStringValue();
-	    if (this->m->encrypt_use_aes)
-	    {
-		Pl_Buffer bufpl("encrypted string");
-		Pl_AES_PDF pl(
-                    "aes encrypt string", &bufpl, true,
+        writeString("endstream");
+    } else if (object.isString()) {
+        std::string val;
+        if (this->m->encrypted && (!(flags & f_in_ostream)) &&
+            (!(flags & f_no_encryption)) && (!this->m->cur_data_key.empty())) {
+            val = object.getStringValue();
+            if (this->m->encrypt_use_aes) {
+                Pl_Buffer bufpl("encrypted string");
+                Pl_AES_PDF pl(
+                    "aes encrypt string",
+                    &bufpl,
+                    true,
                     QUtil::unsigned_char_pointer(this->m->cur_data_key),
                     this->m->cur_data_key.length());
-		pl.write(QUtil::unsigned_char_pointer(val), val.length());
-		pl.finish();
-		Buffer* buf = bufpl.getBuffer();
-		val = QPDF_String(
-		    std::string(reinterpret_cast<char*>(buf->getBuffer()),
-				buf->getSize())).unparse(true);
-		delete buf;
-	    }
-	    else
-	    {
-		char* tmp = QUtil::copy_string(val);
-		size_t vlen = val.length();
-		RC4 rc4(QUtil::unsigned_char_pointer(this->m->cur_data_key),
-			this->m->cur_data_key.length());
-		rc4.process(QUtil::unsigned_char_pointer(tmp), vlen);
-		val = QPDF_String(std::string(tmp, vlen)).unparse();
-		delete  tmp;
-	    }
-	}
-	else
-	{
-	    val = object.unparseResolved();
-	}
-	writeString(val);
-    }
-    else
-    {
-	writeString(object.unparseResolved());
+                pl.writeString(val);
+                pl.finish();
+                auto buf = bufpl.getBufferSharedPointer();
+                val = QPDF_String(std::string(
+                                      reinterpret_cast<char*>(buf->getBuffer()),
+                                      buf->getSize()))
+                          .unparse(true);
+            } else {
+                auto tmp_ph = QUtil::make_unique_cstr(val);
+                char* tmp = tmp_ph.get();
+                size_t vlen = val.length();
+                RC4 rc4(
+                    QUtil::unsigned_char_pointer(this->m->cur_data_key),
+                    QIntC::to_int(this->m->cur_data_key.length()));
+                auto data = QUtil::unsigned_char_pointer(tmp);
+                rc4.process(data, vlen, data);
+                val = QPDF_String(std::string(tmp, vlen)).unparse();
+            }
+        } else if (flags & f_hex_string) {
+            val = QPDF_String(object.getStringValue()).unparse(true);
+        } else {
+            val = object.unparseResolved();
+        }
+        writeString(val);
+    } else {
+        writeString(object.unparseResolved());
     }
 }
 
 void
-QPDFWriter::writeObjectStreamOffsets(std::vector<qpdf_offset_t>& offsets,
-				     int first_obj)
+QPDFWriter::writeObjectStreamOffsets(
+    std::vector<qpdf_offset_t>& offsets, int first_obj)
 {
-    for (unsigned int i = 0; i < offsets.size(); ++i)
-    {
-	if (i != 0)
-	{
-	    writeStringQDF("\n");
-	    writeStringNoQDF(" ");
-	}
-	writeString(QUtil::int_to_string(i + first_obj));
-	writeString(" ");
-	writeString(QUtil::int_to_string(offsets.at(i)));
+    for (size_t i = 0; i < offsets.size(); ++i) {
+        if (i != 0) {
+            writeStringQDF("\n");
+            writeStringNoQDF(" ");
+        }
+        writeString(QUtil::uint_to_string(i + QIntC::to_size(first_obj)));
+        writeString(" ");
+        writeString(QUtil::int_to_string(offsets.at(i)));
     }
     writeString("\n");
 }
@@ -1896,7 +1822,7 @@
     // object stream that we are generating from scratch.
 
     QPDFObjGen old_og = object.getObjGen();
-    assert(old_og.getGen() == 0);
+    qpdf_assert_debug(old_og.getGen() == 0);
     int old_id = old_og.getObj();
     int new_id = this->m->obj_renumberold_og;
 
@@ -1905,97 +1831,92 @@
 
     // Generate stream itself.  We have to do this in two passes so we
     // can calculate offsets in the first pass.
-    PointerHolder<Buffer> stream_buffer;
+    std::shared_ptr<Buffer> stream_buffer;
     int first_obj = -1;
     bool compressed = false;
-    for (int pass = 1; pass <= 2; ++pass)
-    {
-	if (pass == 1)
-	{
-	    pushDiscardFilter();
-	}
-	else
-	{
-	    // Adjust offsets to skip over comment before first object
-
-	    first = offsets.at(0);
-	    for (std::vector<qpdf_offset_t>::iterator iter = offsets.begin();
-		 iter != offsets.end(); ++iter)
-	    {
-		*iter -= first;
-	    }
-
-	    // Take one pass at writing pairs of numbers so we can get
-	    // their size information
-	    pushDiscardFilter();
-	    writeObjectStreamOffsets(offsets, first_obj);
-	    first += this->m->pipeline->getCount();
-	    popPipelineStack();
+    for (int pass = 1; pass <= 2; ++pass) {
+        // stream_buffer will be initialized only for pass 2
+        PipelinePopper pp_ostream(this, &stream_buffer);
+        if (pass == 1) {
+            pushDiscardFilter(pp_ostream);
+        } else {
+            // Adjust offsets to skip over comment before first object
+            first = offsets.at(0);
+            for (auto& iter: offsets) {
+                iter -= first;
+            }
+
+            // Take one pass at writing pairs of numbers so we can get
+            // their size information
+            {
+                PipelinePopper pp_discard(this);
+                pushDiscardFilter(pp_discard);
+                writeObjectStreamOffsets(offsets, first_obj);
+                first += this->m->pipeline->getCount();
+            }
 
-	    // Set up a stream to write the stream data into a buffer.
-	    Pipeline* next = pushPipeline(new Pl_Buffer("object stream"));
+            // Set up a stream to write the stream data into a buffer.
+            Pipeline* next = pushPipeline(new Pl_Buffer("object stream"));
             if ((this->m->compress_streams ||
                  (this->m->stream_decode_level == qpdf_dl_none)) &&
-                (! this->m->qdf_mode))
-	    {
-		compressed = true;
-		next = pushPipeline(
-		    new Pl_Flate("compress object stream", next,
-				 Pl_Flate::a_deflate));
-	    }
-	    activatePipelineStack();
-	    writeObjectStreamOffsets(offsets, first_obj);
-	}
-
-	int count = 0;
-	for (std::set<QPDFObjGen>::iterator iter =
-		 this->m->object_stream_to_objectsold_id.begin();
-	     iter != this->m->object_stream_to_objectsold_id.end();
-	     ++iter, ++count)
-	{
-	    QPDFObjGen obj = *iter;
-	    int new_obj = this->m->obj_renumberobj;
-	    if (first_obj == -1)
-	    {
-		first_obj = new_obj;
-	    }
-	    if (this->m->qdf_mode)
-	    {
-		writeString("%% Object stream: object " +
-			    QUtil::int_to_string(new_obj) + ", index " +
-			    QUtil::int_to_string(count));
-		if (! this->m->suppress_original_object_ids)
-		{
-		    writeString("; original object ID: " +
-				QUtil::int_to_string(obj.getObj()));
+                (!this->m->qdf_mode)) {
+                compressed = true;
+                next = pushPipeline(new Pl_Flate(
+                    "compress object stream", next, Pl_Flate::a_deflate));
+            }
+            activatePipelineStack(pp_ostream);
+            writeObjectStreamOffsets(offsets, first_obj);
+        }
+
+        int count = -1;
+        for (auto const& obj: this->m->object_stream_to_objectsold_id) {
+            ++count;
+            int new_obj = this->m->obj_renumberobj;
+            if (first_obj == -1) {
+                first_obj = new_obj;
+            }
+            if (this->m->qdf_mode) {
+                writeString(
+                    "%% Object stream: object " +
+                    QUtil::int_to_string(new_obj) + ", index " +
+                    QUtil::int_to_string(count));
+                if (!this->m->suppress_original_object_ids) {
+                    writeString(
+                        "; original object ID: " +
+                        QUtil::int_to_string(obj.getObj()));
                     // For compatibility, only write the generation if
                     // non-zero.  While object streams only allow
                     // objects with generation 0, if we are generating
                     // object streams, the old object could have a
                     // non-zero generation.
-                    if (obj.getGen() != 0)
-                    {
+                    if (obj.getGen() != 0) {
                         QTC::TC("qpdf", "QPDFWriter original obj non-zero gen");
                         writeString(" " + QUtil::int_to_string(obj.getGen()));
                     }
-		}
-		writeString("\n");
-	    }
-	    if (pass == 1)
-	    {
-		offsets.push_back(this->m->pipeline->getCount());
+                }
+                writeString("\n");
+            }
+            if (pass == 1) {
+                offsets.push_back(this->m->pipeline->getCount());
                 // To avoid double-counting objects being written in
                 // object streams for progress reporting, decrement in
                 // pass 1.
                 indicateProgress(true, false);
-	    }
-	    writeObject(this->m->pdf.getObjectByObjGen(obj), count);
-
-	    this->m->xrefnew_obj = QPDFXRefEntry(2, new_id, count);
-	}
+            }
+            QPDFObjectHandle obj_to_write = this->m->pdf.getObject(obj);
+            if (obj_to_write.isStream()) {
+                // This condition occurred in a fuzz input. Ideally we
+                // should block it at at parse time, but it's not
+                // clear to me how to construct a case for this.
+                QTC::TC("qpdf", "QPDFWriter stream in ostream");
+                obj_to_write.warnIfPossible(
+                    "stream found inside object stream; treating as null");
+                obj_to_write = QPDFObjectHandle::newNull();
+            }
+            writeObject(obj_to_write, count);
 
-	// stream_buffer will be initialized only for pass 2
-	popPipelineStack(&stream_buffer);
+            this->m->xrefnew_obj = QPDFXRefEntry(2, new_id, count);
+        }
     }
 
     // Write the object
@@ -2007,40 +1928,37 @@
     writeStringQDF("\n ");
     size_t length = stream_buffer->getSize();
     adjustAESStreamLength(length);
-    writeString(" /Length " + QUtil::int_to_string(length));
+    writeString(" /Length " + QUtil::uint_to_string(length));
     writeStringQDF("\n ");
-    if (compressed)
-    {
-	writeString(" /Filter /FlateDecode");
+    if (compressed) {
+        writeString(" /Filter /FlateDecode");
     }
-    writeString(" /N " + QUtil::int_to_string(offsets.size()));
+    writeString(" /N " + QUtil::uint_to_string(offsets.size()));
     writeStringQDF("\n ");
     writeString(" /First " + QUtil::int_to_string(first));
-    if (! object.isNull())
-    {
-	// If the original object has an /Extends key, preserve it.
-	QPDFObjectHandle dict = object.getDict();
-	QPDFObjectHandle extends = dict.getKey("/Extends");
-	if (extends.isIndirect())
-	{
-	    QTC::TC("qpdf", "QPDFWriter copy Extends");
-	    writeStringQDF("\n ");
-	    writeString(" /Extends ");
-	    unparseChild(extends, 1, f_in_ostream);
-	}
+    if (!object.isNull()) {
+        // If the original object has an /Extends key, preserve it.
+        QPDFObjectHandle dict = object.getDict();
+        QPDFObjectHandle extends = dict.getKey("/Extends");
+        if (extends.isIndirect()) {
+            QTC::TC("qpdf", "QPDFWriter copy Extends");
+            writeStringQDF("\n ");
+            writeString(" /Extends ");
+            unparseChild(extends, 1, f_in_ostream);
+        }
     }
     writeStringQDF("\n");
     writeStringNoQDF(" ");
     writeString(">>\nstream\n");
-    if (this->m->encrypted)
-    {
-	QTC::TC("qpdf", "QPDFWriter encrypt object stream");
+    if (this->m->encrypted) {
+        QTC::TC("qpdf", "QPDFWriter encrypt object stream");
     }
-    pushEncryptionFilter();
-    writeBuffer(stream_buffer);
-    popPipelineStack();
-    if (this->m->newline_before_endstream)
     {
+        PipelinePopper pp_enc(this);
+        pushEncryptionFilter(pp_enc);
+        writeBuffer(stream_buffer);
+    }
+    if (this->m->newline_before_endstream) {
         writeString("\n");
     }
     writeString("endstream");
@@ -2053,67 +1971,53 @@
 {
     QPDFObjGen old_og = object.getObjGen();
 
-    if ((object_stream_index == -1) &&
-        (old_og.getGen() == 0) &&
-	(this->m->object_stream_to_objects.count(old_og.getObj())))
-    {
-	writeObjectStream(object);
-	return;
+    if ((object_stream_index == -1) && (old_og.getGen() == 0) &&
+        (this->m->object_stream_to_objects.count(old_og.getObj()))) {
+        writeObjectStream(object);
+        return;
     }
 
     indicateProgress(false, false);
     int new_id = this->m->obj_renumberold_og;
-    if (this->m->qdf_mode)
-    {
-	if (this->m->page_object_to_seq.count(old_og))
-	{
-	    writeString("%% Page ");
-	    writeString(
-		QUtil::int_to_string(
-		    this->m->page_object_to_seqold_og));
-	    writeString("\n");
-	}
-	if (this->m->contents_to_page_seq.count(old_og))
-	{
-	    writeString("%% Contents for page ");
-	    writeString(
-		QUtil::int_to_string(
-		    this->m->contents_to_page_seqold_og));
-	    writeString("\n");
-	}
-    }
-    if (object_stream_index == -1)
-    {
-	if (this->m->qdf_mode && (! this->m->suppress_original_object_ids))
-	{
-	    writeString("%% Original object ID: " +
-			QUtil::int_to_string(object.getObjectID()) + " " +
-			QUtil::int_to_string(object.getGeneration()) + "\n");
-	}
-	openObject(new_id);
-	setDataKey(new_id);
-	unparseObject(object, 0, 0);
-	this->m->cur_data_key.clear();
-	closeObject(new_id);
+    if (this->m->qdf_mode) {
+        if (this->m->page_object_to_seq.count(old_og)) {
+            writeString("%% Page ");
+            writeString(
+                QUtil::int_to_string(this->m->page_object_to_seqold_og));
+            writeString("\n");
+        }
+        if (this->m->contents_to_page_seq.count(old_og)) {
+            writeString("%% Contents for page ");
+            writeString(
+                QUtil::int_to_string(this->m->contents_to_page_seqold_og));
+            writeString("\n");
+        }
     }
-    else
-    {
-	unparseObject(object, 0, f_in_ostream);
-	writeString("\n");
+    if (object_stream_index == -1) {
+        if (this->m->qdf_mode && (!this->m->suppress_original_object_ids)) {
+            writeString(
+                "%% Original object ID: " + object.getObjGen().unparse(' ') +
+                "\n");
+        }
+        openObject(new_id);
+        setDataKey(new_id);
+        unparseObject(object, 0, 0);
+        this->m->cur_data_key.clear();
+        closeObject(new_id);
+    } else {
+        unparseObject(object, 0, f_in_ostream);
+        writeString("\n");
     }
 
-    if ((! this->m->direct_stream_lengths) && object.isStream())
-    {
-	if (this->m->qdf_mode)
-	{
-	    if (this->m->added_newline)
-	    {
-		writeString("%QDF: ignore_newline\n");
-	    }
-	}
-	openObject(new_id + 1);
-	writeString(QUtil::int_to_string(this->m->cur_stream_length));
-	closeObject(new_id + 1);
+    if ((!this->m->direct_stream_lengths) && object.isStream()) {
+        if (this->m->qdf_mode) {
+            if (this->m->added_newline) {
+                writeString("%QDF: ignore_newline\n");
+            }
+        }
+        openObject(new_id + 1);
+        writeString(QUtil::uint_to_string(this->m->cur_stream_length));
+        closeObject(new_id + 1);
     }
 }
 
@@ -2121,12 +2025,9 @@
 QPDFWriter::getOriginalID1()
 {
     QPDFObjectHandle trailer = this->m->pdf.getTrailer();
-    if (trailer.hasKey("/ID"))
-    {
+    if (trailer.hasKey("/ID")) {
         return trailer.getKey("/ID").getArrayItem(0).getStringValue();
-    }
-    else
-    {
+    } else {
         return "";
     }
 }
@@ -2137,45 +2038,52 @@
     // Generate the ID lazily so that we can handle the user's
     // preference to use static or deterministic ID generation.
 
-    if (! this->m->id2.empty())
-    {
-	return;
+    if (!this->m->id2.empty()) {
+        return;
     }
 
     QPDFObjectHandle trailer = this->m->pdf.getTrailer();
 
     std::string result;
 
-    if (this->m->static_id)
-    {
-	// For test suite use only...
-	static unsigned char tmp = {0x31, 0x41, 0x59, 0x26,
-                                      0x53, 0x58, 0x97, 0x93,
-                                      0x23, 0x84, 0x62, 0x64,
-                                      0x33, 0x83, 0x27, 0x95,
-                                      0x00};
-	result = reinterpret_cast<char*>(tmp);
-    }
-    else
-    {
-	// The PDF specification has guidelines for creating IDs, but
-	// it states clearly that the only thing that's really
-	// important is that it is very likely to be unique.  We can't
-	// really follow the guidelines in the spec exactly because we
-	// haven't written the file yet.  This scheme should be fine
-	// though.  The deterministic ID case uses a digest of a
-	// sufficient portion of the file's contents such no two
-	// non-matching files would match in the subsets used for this
-	// computation.  Note that we explicitly omit the filename from
-	// the digest calculation for deterministic ID so that the same
-	// file converted with qpdf, in that case, would have the same
-	// ID regardless of the output file's name.
-
-	std::string seed;
-        if (this->m->deterministic_id)
-        {
-            if (this->m->deterministic_id_data.empty())
-            {
+    if (this->m->static_id) {
+        // For test suite use only...
+        static unsigned char tmp = {
+            0x31,
+            0x41,
+            0x59,
+            0x26,
+            0x53,
+            0x58,
+            0x97,
+            0x93,
+            0x23,
+            0x84,
+            0x62,
+            0x64,
+            0x33,
+            0x83,
+            0x27,
+            0x95,
+            0x00};
+        result = reinterpret_cast<char*>(tmp);
+    } else {
+        // The PDF specification has guidelines for creating IDs, but
+        // it states clearly that the only thing that's really
+        // important is that it is very likely to be unique.  We can't
+        // really follow the guidelines in the spec exactly because we
+        // haven't written the file yet.  This scheme should be fine
+        // though.  The deterministic ID case uses a digest of a
+        // sufficient portion of the file's contents such no two
+        // non-matching files would match in the subsets used for this
+        // computation.  Note that we explicitly omit the filename from
+        // the digest calculation for deterministic ID so that the same
+        // file converted with qpdf, in that case, would have the same
+        // ID regardless of the output file's name.
+
+        std::string seed;
+        if (this->m->deterministic_id) {
+            if (this->m->deterministic_id_data.empty()) {
                 QTC::TC("qpdf", "QPDFWriter deterministic with no data");
                 throw std::logic_error(
                     "INTERNAL ERROR: QPDFWriter::generateID has no"
@@ -2184,36 +2092,29 @@
                     " together.");
             }
             seed += this->m->deterministic_id_data;
-        }
-        else
-        {
+        } else {
             seed += QUtil::int_to_string(QUtil::get_current_time());
             seed += this->m->filename;
             seed += " ";
         }
-	seed += " QPDF ";
-	if (trailer.hasKey("/Info"))
-	{
+        seed += " QPDF ";
+        if (trailer.hasKey("/Info")) {
             QPDFObjectHandle info = trailer.getKey("/Info");
-	    std::set<std::string> keys = info.getKeys();
-	    for (std::set<std::string>::iterator iter = keys.begin();
-		 iter != keys.end(); ++iter)
-	    {
-		QPDFObjectHandle obj = info.getKey(*iter);
-		if (obj.isString())
-		{
-		    seed += " ";
-		    seed += obj.getStringValue();
-		}
-	    }
-	}
-
-	MD5 m;
-	m.encodeString(seed.c_str());
-	MD5::Digest digest;
-	m.digest(digest);
-	result = std::string(reinterpret_cast<char*>(digest),
-                             sizeof(MD5::Digest));
+            for (auto const& key: info.getKeys()) {
+                QPDFObjectHandle obj = info.getKey(key);
+                if (obj.isString()) {
+                    seed += " ";
+                    seed += obj.getStringValue();
+                }
+            }
+        }
+
+        MD5 m;
+        m.encodeString(seed.c_str());
+        MD5::Digest digest;
+        m.digest(digest);
+        result =
+            std::string(reinterpret_cast<char*>(digest), sizeof(MD5::Digest));
     }
 
     // If /ID already exists, follow the spec: use the original first
@@ -2223,9 +2124,8 @@
     this->m->id2 = result;
     // Note: keep /ID from old file even if --static-id was given.
     this->m->id1 = getOriginalID1();
-    if (this->m->id1.empty())
-    {
-	this->m->id1 = this->m->id2;
+    if (this->m->id1.empty()) {
+        this->m->id1 = this->m->id2;
     }
 }
 
@@ -2236,52 +2136,62 @@
     // normalizing.
     std::vector<QPDFObjectHandle> pages = this->m->pdf.getAllPages();
     int num = 0;
-    for (std::vector<QPDFObjectHandle>::iterator iter = pages.begin();
-	 iter != pages.end(); ++iter)
-    {
-	QPDFObjectHandle& page = *iter;
-	this->m->page_object_to_seqpage.getObjGen() = ++num;
-	QPDFObjectHandle contents = page.getKey("/Contents");
-	std::vector<QPDFObjGen> contents_objects;
-	if (contents.isArray())
-	{
-	    int n = contents.getArrayNItems();
-	    for (int i = 0; i < n; ++i)
-	    {
-		contents_objects.push_back(
-		    contents.getArrayItem(i).getObjGen());
-	    }
-	}
-	else if (contents.isStream())
-	{
-	    contents_objects.push_back(contents.getObjGen());
-	}
-
-	for (std::vector<QPDFObjGen>::iterator iter = contents_objects.begin();
-	     iter != contents_objects.end(); ++iter)
-	{
-	    this->m->contents_to_page_seq*iter = num;
-	    this->m->normalized_streams.insert(*iter);
-	}
+    for (auto& page: pages) {
+        this->m->page_object_to_seqpage.getObjGen() = ++num;
+        QPDFObjectHandle contents = page.getKey("/Contents");
+        std::vector<QPDFObjGen> contents_objects;
+        if (contents.isArray()) {
+            int n = contents.getArrayNItems();
+            for (int i = 0; i < n; ++i) {
+                contents_objects.push_back(
+                    contents.getArrayItem(i).getObjGen());
+            }
+        } else if (contents.isStream()) {
+            contents_objects.push_back(contents.getObjGen());
+        }
+
+        for (auto const& c: contents_objects) {
+            this->m->contents_to_page_seqc = num;
+            this->m->normalized_streams.insert(c);
+        }
     }
 }
 
 void
 QPDFWriter::preserveObjectStreams()
 {
+    std::map<int, int> omap;
+    QPDF::Writer::getObjectStreamData(this->m->pdf, omap);
+    if (omap.empty()) {
+        return;
+    }
     // Our object_to_object_stream map has to map ObjGen -> ObjGen
     // since we may be generating object streams out of old objects
-    // that have generation numbers greater than zero.  However in an
+    // that have generation numbers greater than zero. However in an
     // existing PDF, all object stream objects and all objects in them
     // must have generation 0 because the PDF spec does not provide
-    // any way to do otherwise.
-    std::map<int, int> omap;
-    QPDF::Writer::getObjectStreamData(this->m->pdf, omap);
-    for (std::map<int, int>::iterator iter = omap.begin();
-         iter != omap.end(); ++iter)
-    {
-        this->m->object_to_object_streamQPDFObjGen((*iter).first, 0) =
-            (*iter).second;
+    // any way to do otherwise. This code filters out objects that are
+    // not allowed to be in object streams. In addition to removing
+    // objects that were erroneously included in object streams in the
+    // source PDF, it also prevents unreferenced objects from being
+    // included.
+    std::set<QPDFObjGen> eligible;
+    if (!this->m->preserve_unreferenced_objects) {
+        std::vector<QPDFObjGen> eligible_v =
+            QPDF::Writer::getCompressibleObjGens(this->m->pdf);
+        eligible = std::set<QPDFObjGen>(eligible_v.begin(), eligible_v.end());
+    }
+    QTC::TC(
+        "qpdf",
+        "QPDFWriter preserve object streams",
+        this->m->preserve_unreferenced_objects ? 0 : 1);
+    for (auto iter: omap) {
+        QPDFObjGen og(iter.first, 0);
+        if (eligible.count(og) || this->m->preserve_unreferenced_objects) {
+            this->m->object_to_object_streamog = iter.second;
+        } else {
+            QTC::TC("qpdf", "QPDFWriter exclude from object stream");
+        }
     }
 }
 
@@ -2298,41 +2208,35 @@
 
     // This code doesn't do anything with /Extends.
 
-    std::vector<QPDFObjGen> const& eligible =
+    std::vector<QPDFObjGen> eligible =
         QPDF::Writer::getCompressibleObjGens(this->m->pdf);
-    unsigned int n_object_streams = (eligible.size() + 99) / 100;
-    if (n_object_streams == 0)
-    {
-        throw std::logic_error("n_object_streams == 0");
+    size_t n_object_streams = (eligible.size() + 99U) / 100U;
+    if (n_object_streams == 0) {
+        return;
     }
-    unsigned int n_per = eligible.size() / n_object_streams;
-    if (n_per * n_object_streams < eligible.size())
-    {
-	++n_per;
+    size_t n_per = eligible.size() / n_object_streams;
+    if (n_per * n_object_streams < eligible.size()) {
+        ++n_per;
     }
     unsigned int n = 0;
     int cur_ostream = 0;
-    for (std::vector<QPDFObjGen>::const_iterator iter = eligible.begin();
-	 iter != eligible.end(); ++iter)
-    {
-	if ((n % n_per) == 0)
-	{
-	    if (n > 0)
-	    {
-		QTC::TC("qpdf", "QPDFWriter generate >1 ostream");
-	    }
-	    n = 0;
-	}
-	if (n == 0)
-	{
-	    // Construct a new null object as the "original" object
-	    // stream.  The rest of the code knows that this means
-	    // we're creating the object stream from scratch.
-	    cur_ostream = this->m->pdf.makeIndirectObject(
-		QPDFObjectHandle::newNull()).getObjectID();
-	}
-	this->m->object_to_object_stream*iter = cur_ostream;
-	++n;
+    for (auto const& iter: eligible) {
+        if ((n % n_per) == 0) {
+            if (n > 0) {
+                QTC::TC("qpdf", "QPDFWriter generate >1 ostream");
+            }
+            n = 0;
+        }
+        if (n == 0) {
+            // Construct a new null object as the "original" object
+            // stream.  The rest of the code knows that this means
+            // we're creating the object stream from scratch.
+            cur_ostream =
+                this->m->pdf.makeIndirectObject(QPDFObjectHandle::newNull())
+                    .getObjectID();
+        }
+        this->m->object_to_object_streamiter = cur_ostream;
+        ++n;
     }
 }
 
@@ -2342,7 +2246,7 @@
     // Remove keys from the trailer that necessarily have to be
     // replaced when writing the file.
 
-    QPDFObjectHandle trailer = this->m->pdf.getTrailer().shallowCopy();
+    QPDFObjectHandle trailer = this->m->pdf.getTrailer().unsafeShallowCopy();
 
     // Remove encryption keys
     trailer.removeKey("/ID");
@@ -2367,288 +2271,169 @@
 void
 QPDFWriter::prepareFileForWrite()
 {
-    // Do a traversal of the entire PDF file structure replacing all
-    // indirect objects that QPDFWriter wants to be direct.  This
-    // includes stream lengths, stream filtering parameters, and
-    // document extension level information.
+    // Make document extension level information direct as required by
+    // the spec.
 
     this->m->pdf.fixDanglingReferences(true);
-    std::list<QPDFObjectHandle> queue;
-    queue.push_back(getTrimmedTrailer());
-    std::set<int> visited;
-
-    while (! queue.empty())
-    {
-	QPDFObjectHandle node = queue.front();
-	queue.pop_front();
-	if (node.isIndirect())
-	{
-	    if (visited.count(node.getObjectID()) > 0)
-	    {
-		continue;
-	    }
-            indicateProgress(false, false);
-	    visited.insert(node.getObjectID());
-	}
-
-	if (node.isArray())
-	{
-	    int nitems = node.getArrayNItems();
-	    for (int i = 0; i < nitems; ++i)
-	    {
-		QPDFObjectHandle oh = node.getArrayItem(i);
-                if (oh.isIndirect() && oh.isNull())
-                {
-                    QTC::TC("qpdf", "QPDFWriter flatten array null");
-                    oh.makeDirect();
-                    node.setArrayItem(i, oh);
+    QPDFObjectHandle root = this->m->pdf.getRoot();
+    for (auto const& key: root.getKeys()) {
+        QPDFObjectHandle oh = root.getKey(key);
+        if ((key == "/Extensions") && (oh.isDictionary())) {
+            bool extensions_indirect = false;
+            if (oh.isIndirect()) {
+                QTC::TC("qpdf", "QPDFWriter make Extensions direct");
+                extensions_indirect = true;
+                oh = root.replaceKeyAndGetNew(key, oh.shallowCopy());
+            }
+            if (oh.hasKey("/ADBE")) {
+                QPDFObjectHandle adbe = oh.getKey("/ADBE");
+                if (adbe.isIndirect()) {
+                    QTC::TC(
+                        "qpdf",
+                        "QPDFWriter make ADBE direct",
+                        extensions_indirect ? 0 : 1);
+                    adbe.makeDirect();
+                    oh.replaceKey("/ADBE", adbe);
                 }
-		else if (! oh.isScalar())
-		{
-		    queue.push_back(oh);
-		}
-	    }
-	}
-	else if (node.isDictionary() || node.isStream())
-	{
-            bool is_stream = false;
-            bool is_root = false;
-            bool filterable = false;
-	    QPDFObjectHandle dict = node;
-	    if (node.isStream())
-	    {
-                is_stream = true;
-		dict = node.getDict();
-                // See whether we are able to filter this stream.
-                filterable = node.pipeStreamData(
-                    0, 0, this->m->stream_decode_level, true);
-	    }
-            else if (this->m->pdf.getRoot().getObjectID() == node.getObjectID())
-            {
-                is_root = true;
             }
-
-	    std::set<std::string> keys = dict.getKeys();
-	    for (std::set<std::string>::iterator iter = keys.begin();
-		 iter != keys.end(); ++iter)
-	    {
-		std::string const& key = *iter;
-		QPDFObjectHandle oh = dict.getKey(key);
-                bool add_to_queue = true;
-                if (is_stream)
-                {
-                    if (oh.isIndirect() &&
-                        ((key == "/Length") ||
-                         (filterable &&
-                          ((key == "/Filter") ||
-                           (key == "/DecodeParms")))))
-                    {
-                        QTC::TC("qpdf", "QPDFWriter make stream key direct");
-                        add_to_queue = false;
-                        oh.makeDirect();
-                        dict.replaceKey(key, oh);
-                    }
-                }
-                else if (is_root)
-                {
-                    if ((key == "/Extensions") && (oh.isDictionary()))
-                    {
-                        bool extensions_indirect = false;
-                        if (oh.isIndirect())
-                        {
-                            QTC::TC("qpdf", "QPDFWriter make Extensions direct");
-                            extensions_indirect = true;
-                            add_to_queue = false;
-                            oh = oh.shallowCopy();
-                            dict.replaceKey(key, oh);
-                        }
-                        if (oh.hasKey("/ADBE"))
-                        {
-                            QPDFObjectHandle adbe = oh.getKey("/ADBE");
-                            if (adbe.isIndirect())
-                            {
-                                QTC::TC("qpdf", "QPDFWriter make ADBE direct",
-                                        extensions_indirect ? 0 : 1);
-                                adbe.makeDirect();
-                                oh.replaceKey("/ADBE", adbe);
-                            }
-                        }
-                    }
-                }
-
-                if (add_to_queue)
-                {
-                    queue.push_back(oh);
-		}
-	    }
-	}
+        }
     }
 }
 
 void
 QPDFWriter::doWriteSetup()
 {
-    if (this->m->did_write_setup)
-    {
+    if (this->m->did_write_setup) {
         return;
     }
     this->m->did_write_setup = true;
 
     // Do preliminary setup
 
-    if (this->m->linearized)
-    {
-	this->m->qdf_mode = false;
+    if (this->m->linearized) {
+        this->m->qdf_mode = false;
     }
 
-    if (this->m->pclm)
-    {
+    if (this->m->pclm) {
         this->m->stream_decode_level = qpdf_dl_none;
         this->m->compress_streams = false;
         this->m->encrypted = false;
     }
 
-    if (this->m->qdf_mode)
-    {
-	if (! this->m->normalize_content_set)
-	{
-	    this->m->normalize_content = true;
-	}
-	if (! this->m->compress_streams_set)
-	{
-	    this->m->compress_streams = false;
-	}
-        if (! this->m->stream_decode_level_set)
-        {
+    if (this->m->qdf_mode) {
+        if (!this->m->normalize_content_set) {
+            this->m->normalize_content = true;
+        }
+        if (!this->m->compress_streams_set) {
+            this->m->compress_streams = false;
+        }
+        if (!this->m->stream_decode_level_set) {
             this->m->stream_decode_level = qpdf_dl_generalized;
         }
     }
 
-    if (this->m->encrypted)
-    {
-	// Encryption has been explicitly set
-	this->m->preserve_encryption = false;
-    }
-    else if (this->m->normalize_content ||
-	     this->m->stream_decode_level ||
-             this->m->pclm ||
-	     this->m->qdf_mode)
-    {
-	// Encryption makes looking at contents pretty useless.  If
-	// the user explicitly encrypted though, we still obey that.
-	this->m->preserve_encryption = false;
-    }
-
-    if (this->m->preserve_encryption)
-    {
-	copyEncryptionParameters(this->m->pdf);
-    }
-
-    if (! this->m->forced_pdf_version.empty())
-    {
-	int major = 0;
-	int minor = 0;
-	parseVersion(this->m->forced_pdf_version, major, minor);
-	disableIncompatibleEncryption(major, minor,
-                                      this->m->forced_extension_level);
-	if (compareVersions(major, minor, 1, 5) < 0)
-	{
-	    QTC::TC("qpdf", "QPDFWriter forcing object stream disable");
-	    this->m->object_stream_mode = qpdf_o_disable;
-	}
+    if (this->m->encrypted) {
+        // Encryption has been explicitly set
+        this->m->preserve_encryption = false;
+    } else if (
+        this->m->normalize_content || this->m->stream_decode_level ||
+        this->m->pclm || this->m->qdf_mode) {
+        // Encryption makes looking at contents pretty useless.  If
+        // the user explicitly encrypted though, we still obey that.
+        this->m->preserve_encryption = false;
+    }
+
+    if (this->m->preserve_encryption) {
+        copyEncryptionParameters(this->m->pdf);
+    }
+
+    if (!this->m->forced_pdf_version.empty()) {
+        int major = 0;
+        int minor = 0;
+        parseVersion(this->m->forced_pdf_version, major, minor);
+        disableIncompatibleEncryption(
+            major, minor, this->m->forced_extension_level);
+        if (compareVersions(major, minor, 1, 5) < 0) {
+            QTC::TC("qpdf", "QPDFWriter forcing object stream disable");
+            this->m->object_stream_mode = qpdf_o_disable;
+        }
     }
 
     if (this->m->qdf_mode || this->m->normalize_content ||
-        this->m->stream_decode_level)
-    {
-	initializeSpecialStreams();
+        this->m->stream_decode_level) {
+        initializeSpecialStreams();
     }
 
-    if (this->m->qdf_mode)
-    {
-	// Generate indirect stream lengths for qdf mode since fix-qdf
-	// uses them for storing recomputed stream length data.
-	// Certain streams such as object streams, xref streams, and
-	// hint streams always get direct stream lengths.
-	this->m->direct_stream_lengths = false;
+    if (this->m->qdf_mode) {
+        // Generate indirect stream lengths for qdf mode since fix-qdf
+        // uses them for storing recomputed stream length data.
+        // Certain streams such as object streams, xref streams, and
+        // hint streams always get direct stream lengths.
+        this->m->direct_stream_lengths = false;
     }
 
-    switch (this->m->object_stream_mode)
-    {
-      case qpdf_o_disable:
-	// no action required
-	break;
+    switch (this->m->object_stream_mode) {
+    case qpdf_o_disable:
+        // no action required
+        break;
 
-      case qpdf_o_preserve:
-	preserveObjectStreams();
-	break;
+    case qpdf_o_preserve:
+        preserveObjectStreams();
+        break;
 
-      case qpdf_o_generate:
-	generateObjectStreams();
-	break;
+    case qpdf_o_generate:
+        generateObjectStreams();
+        break;
 
-	// no default so gcc will warn for missing case tag
+        // no default so gcc will warn for missing case tag
     }
 
-    if (this->m->linearized)
-    {
-	// Page dictionaries are not allowed to be compressed objects.
-	std::vector<QPDFObjectHandle> pages = this->m->pdf.getAllPages();
-	for (std::vector<QPDFObjectHandle>::iterator iter = pages.begin();
-	     iter != pages.end(); ++iter)
-	{
-	    QPDFObjectHandle& page = *iter;
-	    QPDFObjGen og = page.getObjGen();
-	    if (this->m->object_to_object_stream.count(og))
-	    {
-		QTC::TC("qpdf", "QPDFWriter uncompressing page dictionary");
-		this->m->object_to_object_stream.erase(og);
-	    }
-	}
+    if (this->m->linearized) {
+        // Page dictionaries are not allowed to be compressed objects.
+        for (auto& page: this->m->pdf.getAllPages()) {
+            QPDFObjGen og = page.getObjGen();
+            if (this->m->object_to_object_stream.count(og)) {
+                QTC::TC("qpdf", "QPDFWriter uncompressing page dictionary");
+                this->m->object_to_object_stream.erase(og);
+            }
+        }
     }
 
-    if (this->m->linearized || this->m->encrypted)
-    {
-    	// The document catalog is not allowed to be compressed in
-    	// linearized files either.  It also appears that Adobe Reader
-    	// 8.0.0 has a bug that prevents it from being able to handle
-    	// encrypted files with compressed document catalogs, so we
-    	// disable them in that case as well.
-	QPDFObjGen og = this->m->pdf.getRoot().getObjGen();
-	if (this->m->object_to_object_stream.count(og))
-	{
-	    QTC::TC("qpdf", "QPDFWriter uncompressing root");
-	    this->m->object_to_object_stream.erase(og);
-	}
+    if (this->m->linearized || this->m->encrypted) {
+        // The document catalog is not allowed to be compressed in
+        // linearized files either.  It also appears that Adobe Reader
+        // 8.0.0 has a bug that prevents it from being able to handle
+        // encrypted files with compressed document catalogs, so we
+        // disable them in that case as well.
+        QPDFObjGen og = this->m->pdf.getRoot().getObjGen();
+        if (this->m->object_to_object_stream.count(og)) {
+            QTC::TC("qpdf", "QPDFWriter uncompressing root");
+            this->m->object_to_object_stream.erase(og);
+        }
     }
 
     // Generate reverse mapping from object stream to objects
-    for (std::map<QPDFObjGen, int>::iterator iter =
-	     this->m->object_to_object_stream.begin();
-	 iter != this->m->object_to_object_stream.end(); ++iter)
-    {
-	QPDFObjGen obj = (*iter).first;
-	int stream = (*iter).second;
-	this->m->object_stream_to_objectsstream.insert(obj);
-	this->m->max_ostream_index =
-	    std::max(this->m->max_ostream_index,
-		     static_cast<int>(
-                         this->m->object_stream_to_objectsstream.size()) - 1);
+    for (auto const& iter: this->m->object_to_object_stream) {
+        QPDFObjGen const& obj = iter.first;
+        int stream = iter.second;
+        this->m->object_stream_to_objectsstream.insert(obj);
+        this->m->max_ostream_index = std::max(
+            this->m->max_ostream_index,
+            QIntC::to_int(this->m->object_stream_to_objectsstream.size()) -
+                1);
     }
 
-    if (! this->m->object_stream_to_objects.empty())
-    {
-	setMinimumPDFVersion("1.5");
+    if (!this->m->object_stream_to_objects.empty()) {
+        setMinimumPDFVersion("1.5");
     }
 
-    setMinimumPDFVersion(this->m->pdf.getPDFVersion(),
-                         this->m->pdf.getExtensionLevel());
+    setMinimumPDFVersion(
+        this->m->pdf.getPDFVersion(), this->m->pdf.getExtensionLevel());
     this->m->final_pdf_version = this->m->min_pdf_version;
     this->m->final_extension_level = this->m->min_extension_level;
-    if (! this->m->forced_pdf_version.empty())
-    {
-	QTC::TC("qpdf", "QPDFWriter using forced PDF version");
-	this->m->final_pdf_version = this->m->forced_pdf_version;
+    if (!this->m->forced_pdf_version.empty()) {
+        QTC::TC("qpdf", "QPDFWriter using forced PDF version");
+        this->m->final_pdf_version = this->m->forced_pdf_version;
         this->m->final_extension_level = this->m->forced_extension_level;
     }
 }
@@ -2658,47 +2443,57 @@
 {
     doWriteSetup();
 
-    // Set up progress reporting. We spent about equal amounts of time
-    // preparing and writing one pass. To get a rough estimate of
-    // progress, we track handling of indirect objects. For linearized
-    // files, we write two passes. events_expected is an
-    // approximation, but it's good enough for progress reporting,
-    // which is mostly a guess anyway.
-    this->m->events_expected = (
-        this->m->pdf.getObjectCount() * (this->m->linearized ? 3 : 2));
+    // Set up progress reporting. For linearized files, we write two
+    // passes. events_expected is an approximation, but it's good
+    // enough for progress reporting, which is mostly a guess anyway.
+    this->m->events_expected = QIntC::to_int(
+        this->m->pdf.getObjectCount() * (this->m->linearized ? 2 : 1));
 
     prepareFileForWrite();
 
-    if (this->m->linearized)
-    {
-	writeLinearized();
-    }
-    else
-    {
-	writeStandard();
+    if (this->m->linearized) {
+        writeLinearized();
+    } else {
+        writeStandard();
     }
 
     this->m->pipeline->finish();
-    if (this->m->close_file)
-    {
-	fclose(this->m->file);
+    if (this->m->close_file) {
+        fclose(this->m->file);
     }
-    this->m->file = 0;
-    if (this->m->buffer_pipeline)
-    {
-	this->m->output_buffer = this->m->buffer_pipeline->getBuffer();
-	this->m->buffer_pipeline = 0;
+    this->m->file = nullptr;
+    if (this->m->buffer_pipeline) {
+        this->m->output_buffer = this->m->buffer_pipeline->getBuffer();
+        this->m->buffer_pipeline = nullptr;
     }
     indicateProgress(false, true);
 }
 
+QPDFObjGen
+QPDFWriter::getRenumberedObjGen(QPDFObjGen og)
+{
+    return QPDFObjGen(this->m->obj_renumberog, 0);
+}
+
+std::map<QPDFObjGen, QPDFXRefEntry>
+QPDFWriter::getWrittenXRefTable()
+{
+    std::map<QPDFObjGen, QPDFXRefEntry> result;
+
+    for (auto const& iter: this->m->xref) {
+        if (iter.first != 0 && iter.second.getType() != 0) {
+            resultQPDFObjGen(iter.first, 0) = iter.second;
+        }
+    }
+
+    return result;
+}
+
 void
 QPDFWriter::enqueuePart(std::vector<QPDFObjectHandle>& part)
 {
-    for (std::vector<QPDFObjectHandle>::iterator iter = part.begin();
-	 iter != part.end(); ++iter)
-    {
-	enqueueObject(*iter);
+    for (auto const& oh: part) {
+        enqueueObject(oh);
     }
 }
 
@@ -2707,14 +2502,11 @@
 {
     this->m->encryption_dict_objid = openObject(this->m->encryption_dict_objid);
     writeString("<<");
-    for (std::map<std::string, std::string>::iterator iter =
-	     this->m->encryption_dictionary.begin();
-	 iter != this->m->encryption_dictionary.end(); ++iter)
-    {
-	writeString(" ");
-	writeString((*iter).first);
-	writeString(" ");
-	writeString((*iter).second);
+    for (auto const& iter: this->m->encryption_dictionary) {
+        writeString(" ");
+        writeString(iter.first);
+        writeString(" ");
+        writeString(iter.second);
     }
     writeString(" >>");
     closeObject(this->m->encryption_dict_objid);
@@ -2732,13 +2524,10 @@
 {
     writeString("%PDF-");
     writeString(this->m->final_pdf_version);
-    if (this->m->pclm)
-    {
+    if (this->m->pclm) {
         // PCLm version
         writeString("\n%PCLm 1.0\n");
-    }
-    else
-    {
+    } else {
         // This string of binary characters would not be valid UTF-8, so
         // it really should be treated as binary.
         writeString("\n%\xbf\xf7\xa2\xfe\n");
@@ -2755,13 +2544,17 @@
 void
 QPDFWriter::writeHintStream(int hint_id)
 {
-    PointerHolder<Buffer> hint_buffer;
+    std::shared_ptr<Buffer> hint_buffer;
     int S = 0;
     int O = 0;
     QPDF::Writer::generateHintStream(
-        this->m->pdf, this->m->xref, this->m->lengths,
+        this->m->pdf,
+        this->m->xref,
+        this->m->lengths,
         this->m->obj_renumber_no_gen,
-        hint_buffer, S, O);
+        hint_buffer,
+        S,
+        O);
 
     openObject(hint_id);
     setDataKey(hint_id);
@@ -2770,28 +2563,28 @@
 
     writeString("<< /Filter /FlateDecode /S ");
     writeString(QUtil::int_to_string(S));
-    if (O)
-    {
-	writeString(" /O ");
-	writeString(QUtil::int_to_string(O));
+    if (O) {
+        writeString(" /O ");
+        writeString(QUtil::int_to_string(O));
     }
     writeString(" /Length ");
     adjustAESStreamLength(hlen);
-    writeString(QUtil::int_to_string(hlen));
+    writeString(QUtil::uint_to_string(hlen));
     writeString(" >>\nstream\n");
 
-    if (this->m->encrypted)
+    if (this->m->encrypted) {
+        QTC::TC("qpdf", "QPDFWriter encrypted hint stream");
+    }
+    unsigned char last_char = '\0';
     {
-	QTC::TC("qpdf", "QPDFWriter encrypted hint stream");
+        PipelinePopper pp_enc(this);
+        pushEncryptionFilter(pp_enc);
+        writeBuffer(hint_buffer);
+        last_char = this->m->pipeline->getLastChar();
     }
-    pushEncryptionFilter();
-    writeBuffer(hint_buffer);
-    char last_char = this->m->pipeline->getLastChar();
-    popPipelineStack();
 
-    if (last_char != '\n')
-    {
-	writeString("\n");
+    if (last_char != '\n') {
+        writeString("\n");
     }
     writeString("endstream");
     closeObject(hint_id);
@@ -2800,14 +2593,24 @@
 qpdf_offset_t
 QPDFWriter::writeXRefTable(trailer_e which, int first, int last, int size)
 {
+    // There are too many extra arguments to replace overloaded
+    // function with defaults in the header file...too much risk of
+    // leaving something off.
     return writeXRefTable(which, first, last, size, 0, false, 0, 0, 0, 0);
 }
 
 qpdf_offset_t
-QPDFWriter::writeXRefTable(trailer_e which, int first, int last, int size,
-			   qpdf_offset_t prev, bool suppress_offsets,
-			   int hint_id, qpdf_offset_t hint_offset,
-                           qpdf_offset_t hint_length, int linearization_pass)
+QPDFWriter::writeXRefTable(
+    trailer_e which,
+    int first,
+    int last,
+    int size,
+    qpdf_offset_t prev,
+    bool suppress_offsets,
+    int hint_id,
+    qpdf_offset_t hint_offset,
+    qpdf_offset_t hint_length,
+    int linearization_pass)
 {
     writeString("xref\n");
     writeString(QUtil::int_to_string(first));
@@ -2815,28 +2618,21 @@
     writeString(QUtil::int_to_string(last - first + 1));
     qpdf_offset_t space_before_zero = this->m->pipeline->getCount();
     writeString("\n");
-    for (int i = first; i <= last; ++i)
-    {
-	if (i == 0)
-	{
-	    writeString("0000000000 65535 f \n");
-	}
-	else
-	{
-	    qpdf_offset_t offset = 0;
-	    if (! suppress_offsets)
-	    {
-		offset = this->m->xrefi.getOffset();
-		if ((hint_id != 0) &&
-		    (i != hint_id) &&
-		    (offset >= hint_offset))
-		{
-		    offset += hint_length;
-		}
-	    }
-	    writeString(QUtil::int_to_string(offset, 10));
-	    writeString(" 00000 n \n");
-	}
+    for (int i = first; i <= last; ++i) {
+        if (i == 0) {
+            writeString("0000000000 65535 f \n");
+        } else {
+            qpdf_offset_t offset = 0;
+            if (!suppress_offsets) {
+                offset = this->m->xrefi.getOffset();
+                if ((hint_id != 0) && (i != hint_id) &&
+                    (offset >= hint_offset)) {
+                    offset += hint_length;
+                }
+            }
+            writeString(QUtil::int_to_string(offset, 10));
+            writeString(" 00000 n \n");
+        }
     }
     writeTrailer(which, size, false, prev, linearization_pass);
     writeString("\n");
@@ -2844,31 +2640,59 @@
 }
 
 qpdf_offset_t
-QPDFWriter::writeXRefStream(int objid, int max_id, qpdf_offset_t max_offset,
-			    trailer_e which, int first, int last, int size)
-{
-    return writeXRefStream(objid, max_id, max_offset,
-			   which, first, last, size, 0, 0, 0, 0, false, 0);
+QPDFWriter::writeXRefStream(
+    int objid,
+    int max_id,
+    qpdf_offset_t max_offset,
+    trailer_e which,
+    int first,
+    int last,
+    int size)
+{
+    // There are too many extra arguments to replace overloaded
+    // function with defaults in the header file...too much risk of
+    // leaving something off.
+    return writeXRefStream(
+        objid,
+        max_id,
+        max_offset,
+        which,
+        first,
+        last,
+        size,
+        0,
+        0,
+        0,
+        0,
+        false,
+        0);
 }
 
 qpdf_offset_t
-QPDFWriter::writeXRefStream(int xref_id, int max_id, qpdf_offset_t max_offset,
-			    trailer_e which, int first, int last, int size,
-			    qpdf_offset_t prev, int hint_id,
-			    qpdf_offset_t hint_offset,
-                            qpdf_offset_t hint_length,
-			    bool skip_compression,
-                            int linearization_pass)
+QPDFWriter::writeXRefStream(
+    int xref_id,
+    int max_id,
+    qpdf_offset_t max_offset,
+    trailer_e which,
+    int first,
+    int last,
+    int size,
+    qpdf_offset_t prev,
+    int hint_id,
+    qpdf_offset_t hint_offset,
+    qpdf_offset_t hint_length,
+    bool skip_compression,
+    int linearization_pass)
 {
     qpdf_offset_t xref_offset = this->m->pipeline->getCount();
     qpdf_offset_t space_before_zero = xref_offset - 1;
 
     // field 1 contains offsets and object stream identifiers
-    int f1_size = std::max(bytesNeeded(max_offset + hint_length),
-			   bytesNeeded(max_id));
+    unsigned int f1_size =
+        std::max(bytesNeeded(max_offset + hint_length), bytesNeeded(max_id));
 
     // field 2 contains object stream indices
-    int f2_size = bytesNeeded(this->m->max_ostream_index);
+    unsigned int f2_size = bytesNeeded(this->m->max_ostream_index);
 
     unsigned int esize = 1 + f1_size + f2_size;
 
@@ -2880,85 +2704,81 @@
     bool compressed = false;
     if ((this->m->compress_streams ||
          (this->m->stream_decode_level == qpdf_dl_none)) &&
-        (! this->m->qdf_mode))
-    {
-	compressed = true;
-	if (! skip_compression)
-	{
-	    // Write the stream dictionary for compression but don't
-	    // actually compress.  This helps us with computation of
-	    // padding for pass 1 of linearization.
-	    p = pushPipeline(
-		new Pl_Flate("compress xref", p, Pl_Flate::a_deflate));
-	}
-	p = pushPipeline(
-	    new Pl_PNGFilter(
-		"pngify xref", p, Pl_PNGFilter::a_encode, esize));
-    }
-    activatePipelineStack();
-    for (int i = first; i <= last; ++i)
-    {
-	QPDFXRefEntry& e = this->m->xrefi;
-	switch (e.getType())
-	{
-	  case 0:
-	    writeBinary(0, 1);
-	    writeBinary(0, f1_size);
-	    writeBinary(0, f2_size);
-	    break;
-
-	  case 1:
-	    {
-		qpdf_offset_t offset = e.getOffset();
-		if ((hint_id != 0) &&
-		    (i != hint_id) &&
-		    (offset >= hint_offset))
-		{
-		    offset += hint_length;
-		}
-		writeBinary(1, 1);
-		writeBinary(offset, f1_size);
-		writeBinary(0, f2_size);
-	    }
-	    break;
-
-	  case 2:
-	    writeBinary(2, 1);
-	    writeBinary(e.getObjStreamNumber(), f1_size);
-	    writeBinary(e.getObjStreamIndex(), f2_size);
-	    break;
-
-	  default:
-	    throw std::logic_error("invalid type writing xref stream");
-	    break;
-	}
+        (!this->m->qdf_mode)) {
+        compressed = true;
+        if (!skip_compression) {
+            // Write the stream dictionary for compression but don't
+            // actually compress.  This helps us with computation of
+            // padding for pass 1 of linearization.
+            p = pushPipeline(
+                new Pl_Flate("compress xref", p, Pl_Flate::a_deflate));
+        }
+        p = pushPipeline(
+            new Pl_PNGFilter("pngify xref", p, Pl_PNGFilter::a_encode, esize));
+    }
+    std::shared_ptr<Buffer> xref_data;
+    {
+        PipelinePopper pp_xref(this, &xref_data);
+        activatePipelineStack(pp_xref);
+        for (int i = first; i <= last; ++i) {
+            QPDFXRefEntry& e = this->m->xrefi;
+            switch (e.getType()) {
+            case 0:
+                writeBinary(0, 1);
+                writeBinary(0, f1_size);
+                writeBinary(0, f2_size);
+                break;
+
+            case 1:
+                {
+                    qpdf_offset_t offset = e.getOffset();
+                    if ((hint_id != 0) && (i != hint_id) &&
+                        (offset >= hint_offset)) {
+                        offset += hint_length;
+                    }
+                    writeBinary(1, 1);
+                    writeBinary(QIntC::to_ulonglong(offset), f1_size);
+                    writeBinary(0, f2_size);
+                }
+                break;
+
+            case 2:
+                writeBinary(2, 1);
+                writeBinary(
+                    QIntC::to_ulonglong(e.getObjStreamNumber()), f1_size);
+                writeBinary(
+                    QIntC::to_ulonglong(e.getObjStreamIndex()), f2_size);
+                break;
+
+            default:
+                throw std::logic_error("invalid type writing xref stream");
+                break;
+            }
+        }
     }
-    PointerHolder<Buffer> xref_data;
-    popPipelineStack(&xref_data);
 
     openObject(xref_id);
     writeString("<<");
     writeStringQDF("\n ");
     writeString(" /Type /XRef");
     writeStringQDF("\n ");
-    writeString(" /Length " + QUtil::int_to_string(xref_data->getSize()));
-    if (compressed)
-    {
-	writeStringQDF("\n ");
-	writeString(" /Filter /FlateDecode");
-	writeStringQDF("\n ");
-	writeString(" /DecodeParms << /Columns " +
-		    QUtil::int_to_string(esize) + " /Predictor 12 >>");
+    writeString(" /Length " + QUtil::uint_to_string(xref_data->getSize()));
+    if (compressed) {
+        writeStringQDF("\n ");
+        writeString(" /Filter /FlateDecode");
+        writeStringQDF("\n ");
+        writeString(
+            " /DecodeParms << /Columns " + QUtil::int_to_string(esize) +
+            " /Predictor 12 >>");
     }
     writeStringQDF("\n ");
-    writeString(" /W  1 " +
-		QUtil::int_to_string(f1_size) + " " +
-		QUtil::int_to_string(f2_size) + " ");
-    if (! ((first == 0) && (last == size - 1)))
-    {
-	writeString(" /Index  " +
-		    QUtil::int_to_string(first) + " " +
-		    QUtil::int_to_string(last - first + 1) + " ");
+    writeString(
+        " /W  1 " + QUtil::int_to_string(f1_size) + " " +
+        QUtil::int_to_string(f2_size) + " ");
+    if (!((first == 0) && (last == size - 1))) {
+        writeString(
+            " /Index  " + QUtil::int_to_string(first) + " " +
+            QUtil::int_to_string(last - first + 1) + " ");
     }
     writeTrailer(which, size, true, prev, linearization_pass);
     writeString("\nstream\n");
@@ -2969,7 +2789,7 @@
 }
 
 int
-QPDFWriter::calculateXrefStreamPadding(int xref_bytes)
+QPDFWriter::calculateXrefStreamPadding(qpdf_offset_t xref_bytes)
 {
     // This routine is called right after a linearization first pass
     // xref stream has been written without compression.  Calculate
@@ -2979,12 +2799,12 @@
     // input by 6 bytes plus 5 bytes per 16K, and then we'll add 10
     // extra bytes for number length increases.
 
-    return 16 + (5 * ((xref_bytes + 16383) / 16384));
+    return QIntC::to_int(16 + (5 * ((xref_bytes + 16383) / 16384)));
 }
 
 void
-QPDFWriter::discardGeneration(std::map<QPDFObjGen, int> const& in,
-                              std::map<int, int>& out)
+QPDFWriter::discardGeneration(
+    std::map<QPDFObjGen, int> const& in, std::map<int, int>& out)
 {
     // There are deep assumptions in the linearization code in QPDF
     // that there is only one object with each object number; i.e.,
@@ -2999,12 +2819,9 @@
     // maps for QPDF that throw away generation numbers.
 
     out.clear();
-    for (std::map<QPDFObjGen, int>::const_iterator iter = in.begin();
-         iter != in.end(); ++iter)
-    {
-        if (out.count((*iter).first.getObj()))
-        {
-            throw std::logic_error(
+    for (auto const& iter: in) {
+        if (out.count(iter.first.getObj())) {
+            throw std::runtime_error(
                 "QPDF cannot currently linearize files that contain"
                 " multiple objects with the same object ID and different"
                 " generations.  If you see this error message, please file"
@@ -3013,7 +2830,7 @@
                 " linearizing, and then linearize the result of that"
                 " conversion.");
         }
-        out(*iter).first.getObj() = (*iter).second;
+        outiter.first.getObj() = iter.second;
     }
 }
 
@@ -3022,11 +2839,22 @@
 {
     // Optimize file and enqueue objects in order
 
-    discardGeneration(this->m->object_to_object_stream,
-                      this->m->object_to_object_stream_no_gen);
+    discardGeneration(
+        this->m->object_to_object_stream,
+        this->m->object_to_object_stream_no_gen);
+
+    auto skip_stream_parameters = this(QPDFObjectHandle& stream) {
+        bool compress_stream;
+        bool is_metadata;
+        if (willFilterStream(stream, compress_stream, is_metadata, nullptr)) {
+            return 2;
+        } else {
+            return 1;
+        }
+    };
 
-    bool need_xref_stream = (! this->m->object_to_object_stream.empty());
-    this->m->pdf.optimize(this->m->object_to_object_stream_no_gen);
+    this->m->pdf.optimize(
+        this->m->object_to_object_stream_no_gen, true, skip_stream_parameters);
 
     std::vector<QPDFObjectHandle> part4;
     std::vector<QPDFObjectHandle> part6;
@@ -3034,8 +2862,13 @@
     std::vector<QPDFObjectHandle> part8;
     std::vector<QPDFObjectHandle> part9;
     QPDF::Writer::getLinearizedParts(
-        this->m->pdf, this->m->object_to_object_stream_no_gen,
-        part4, part6, part7, part8, part9);
+        this->m->pdf,
+        this->m->object_to_object_stream_no_gen,
+        part4,
+        part6,
+        part7,
+        part8,
+        part9);
 
     // Object number sequence:
     //
@@ -3054,24 +2887,22 @@
     //
 
     // Second half objects
-    int second_half_uncompressed = part7.size() + part8.size() + part9.size();
+    int second_half_uncompressed =
+        QIntC::to_int(part7.size() + part8.size() + part9.size());
     int second_half_first_obj = 1;
     int after_second_half = 1 + second_half_uncompressed;
     this->m->next_objid = after_second_half;
     int second_half_xref = 0;
-    if (need_xref_stream)
-    {
-	second_half_xref = this->m->next_objid++;
+    bool need_xref_stream = (!this->m->object_to_object_stream.empty());
+    if (need_xref_stream) {
+        second_half_xref = this->m->next_objid++;
     }
     // Assign numbers to all compressed objects in the second half.
     std::vector<QPDFObjectHandle>* vecs2 = {&part7, &part8, &part9};
-    for (int i = 0; i < 3; ++i)
-    {
-	for (std::vector<QPDFObjectHandle>::iterator iter = (*vecs2i).begin();
-	     iter != (*vecs2i).end(); ++iter)
-	{
-	    assignCompressedObjectNumbers((*iter).getObjGen());
-	}
+    for (int i = 0; i < 3; ++i) {
+        for (auto const& oh: *vecs2i) {
+            assignCompressedObjectNumbers(oh.getObjGen());
+        }
     }
     int second_half_end = this->m->next_objid - 1;
     int second_trailer_size = this->m->next_objid;
@@ -3080,30 +2911,25 @@
     int first_half_start = this->m->next_objid;
     int lindict_id = this->m->next_objid++;
     int first_half_xref = 0;
-    if (need_xref_stream)
-    {
-	first_half_xref = this->m->next_objid++;
+    if (need_xref_stream) {
+        first_half_xref = this->m->next_objid++;
     }
     int part4_first_obj = this->m->next_objid;
-    this->m->next_objid += part4.size();
+    this->m->next_objid += QIntC::to_int(part4.size());
     int after_part4 = this->m->next_objid;
-    if (this->m->encrypted)
-    {
-	this->m->encryption_dict_objid = this->m->next_objid++;
+    if (this->m->encrypted) {
+        this->m->encryption_dict_objid = this->m->next_objid++;
     }
     int hint_id = this->m->next_objid++;
     int part6_first_obj = this->m->next_objid;
-    this->m->next_objid += part6.size();
+    this->m->next_objid += QIntC::to_int(part6.size());
     int after_part6 = this->m->next_objid;
     // Assign numbers to all compressed objects in the first half
     std::vector<QPDFObjectHandle>* vecs1 = {&part4, &part6};
-    for (int i = 0; i < 2; ++i)
-    {
-	for (std::vector<QPDFObjectHandle>::iterator iter = (*vecs1i).begin();
-	     iter != (*vecs1i).end(); ++iter)
-	{
-	    assignCompressedObjectNumbers((*iter).getObjGen());
-	}
+    for (int i = 0; i < 2; ++i) {
+        for (auto const& oh: *vecs1i) {
+            assignCompressedObjectNumbers(oh.getObjGen());
+        }
     }
     int first_half_end = this->m->next_objid - 1;
     int first_trailer_size = this->m->next_objid;
@@ -3120,307 +2946,324 @@
 
     this->m->next_objid = part4_first_obj;
     enqueuePart(part4);
-    assert(this->m->next_objid == after_part4);
+    if (this->m->next_objid != after_part4) {
+        // This can happen with very botched files as in the fuzzer
+        // test. There are likely some faulty assumptions in
+        // calculateLinearizationData
+        throw std::runtime_error("error encountered after"
+                                 " writing part 4 of linearized data");
+    }
     this->m->next_objid = part6_first_obj;
     enqueuePart(part6);
-    assert(this->m->next_objid == after_part6);
+    if (this->m->next_objid != after_part6) {
+        throw std::runtime_error("error encountered after"
+                                 " writing part 6 of linearized data");
+    }
     this->m->next_objid = second_half_first_obj;
     enqueuePart(part7);
     enqueuePart(part8);
     enqueuePart(part9);
-    assert(this->m->next_objid == after_second_half);
+    if (this->m->next_objid != after_second_half) {
+        throw std::runtime_error("error encountered after"
+                                 " writing part 9 of linearized data");
+    }
 
     qpdf_offset_t hint_length = 0;
-    PointerHolder<Buffer> hint_buffer;
+    std::shared_ptr<Buffer> hint_buffer;
 
     // Write file in two passes.  Part numbers refer to PDF spec 1.4.
 
-    FILE* lin_pass1_file = 0;
-    for (int pass = 1; pass <= 2; ++pass)
-    {
-	if (pass == 1)
-	{
-            if (! this->m->lin_pass1_filename.empty())
-            {
-                lin_pass1_file =
-                    QUtil::safe_fopen(
-                        this->m->lin_pass1_filename.c_str(), "wb");
+    FILE* lin_pass1_file = nullptr;
+    auto pp_pass1 = std::make_shared<PipelinePopper>(this);
+    auto pp_md5 = std::make_shared<PipelinePopper>(this);
+    for (int pass = 1; pass <= 2; ++pass) {
+        if (pass == 1) {
+            if (!this->m->lin_pass1_filename.empty()) {
+                lin_pass1_file = QUtil::safe_fopen(
+                    this->m->lin_pass1_filename.c_str(), "wb");
                 pushPipeline(
                     new Pl_StdioFile("linearization pass1", lin_pass1_file));
-                activatePipelineStack();
-            }
-            else
-            {
-                pushDiscardFilter();
+                activatePipelineStack(*pp_pass1);
+            } else {
+                pushDiscardFilter(*pp_pass1);
             }
-            if (this->m->deterministic_id)
-            {
-                pushMD5Pipeline();
+            if (this->m->deterministic_id) {
+                pushMD5Pipeline(*pp_md5);
             }
-	}
+        }
 
-	// Part 1: header
+        // Part 1: header
 
-	writeHeader();
+        writeHeader();
 
-	// Part 2: linearization parameter dictionary.  Save enough
-	// space to write real dictionary.  200 characters is enough
-	// space if all numerical values in the parameter dictionary
-	// that contain offsets are 20 digits long plus a few extra
-	// characters for safety.  The entire linearization parameter
-	// dictionary must appear within the first 1024 characters of
-	// the file.
-
-	qpdf_offset_t pos = this->m->pipeline->getCount();
-	openObject(lindict_id);
-	writeString("<<");
-	if (pass == 2)
-	{
-	    std::vector<QPDFObjectHandle> const& pages =
+        // Part 2: linearization parameter dictionary.  Save enough
+        // space to write real dictionary.  200 characters is enough
+        // space if all numerical values in the parameter dictionary
+        // that contain offsets are 20 digits long plus a few extra
+        // characters for safety.  The entire linearization parameter
+        // dictionary must appear within the first 1024 characters of
+        // the file.
+
+        qpdf_offset_t pos = this->m->pipeline->getCount();
+        openObject(lindict_id);
+        writeString("<<");
+        if (pass == 2) {
+            std::vector<QPDFObjectHandle> const& pages =
                 this->m->pdf.getAllPages();
-	    int first_page_object =
+            int first_page_object =
                 this->m->obj_renumberpages.at(0).getObjGen();
-	    int npages = pages.size();
+            int npages = QIntC::to_int(pages.size());
 
-	    writeString(" /Linearized 1 /L ");
-	    writeString(QUtil::int_to_string(file_size + hint_length));
-	    // Implementation note 121 states that a space is
-	    // mandatory after this open bracket.
-	    writeString(" /H  ");
-	    writeString(QUtil::int_to_string(
-                            this->m->xrefhint_id.getOffset()));
-	    writeString(" ");
-	    writeString(QUtil::int_to_string(hint_length));
-	    writeString("  /O ");
-	    writeString(QUtil::int_to_string(first_page_object));
-	    writeString(" /E ");
-	    writeString(QUtil::int_to_string(part6_end_offset + hint_length));
-	    writeString(" /N ");
-	    writeString(QUtil::int_to_string(npages));
-	    writeString(" /T ");
-	    writeString(QUtil::int_to_string(space_before_zero + hint_length));
-	}
-	writeString(" >>");
-	closeObject(lindict_id);
-	static int const pad = 200;
-	int spaces = (pos - this->m->pipeline->getCount() + pad);
-	assert(spaces >= 0);
-	writePad(spaces);
-	writeString("\n");
+            writeString(" /Linearized 1 /L ");
+            writeString(QUtil::int_to_string(file_size + hint_length));
+            // Implementation note 121 states that a space is
+            // mandatory after this open bracket.
+            writeString(" /H  ");
+            writeString(
+                QUtil::int_to_string(this->m->xrefhint_id.getOffset()));
+            writeString(" ");
+            writeString(QUtil::int_to_string(hint_length));
+            writeString("  /O ");
+            writeString(QUtil::int_to_string(first_page_object));
+            writeString(" /E ");
+            writeString(QUtil::int_to_string(part6_end_offset + hint_length));
+            writeString(" /N ");
+            writeString(QUtil::int_to_string(npages));
+            writeString(" /T ");
+            writeString(QUtil::int_to_string(space_before_zero + hint_length));
+        }
+        writeString(" >>");
+        closeObject(lindict_id);
+        static int const pad = 200;
+        int spaces = QIntC::to_int(pos - this->m->pipeline->getCount() + pad);
+        qpdf_assert_debug(spaces >= 0);
+        writePad(spaces);
+        writeString("\n");
 
         // If the user supplied any additional header text, write it
         // here after the linearization parameter dictionary.
         writeString(this->m->extra_header_text);
 
-	// Part 3: first page cross reference table and trailer.
+        // Part 3: first page cross reference table and trailer.
 
-	qpdf_offset_t first_xref_offset = this->m->pipeline->getCount();
-	qpdf_offset_t hint_offset = 0;
-	if (pass == 2)
-	{
-	    hint_offset = this->m->xrefhint_id.getOffset();
-	}
-	if (need_xref_stream)
-	{
-	    // Must pad here too.
-	    if (pass == 1)
-	    {
-		// Set first_half_max_obj_offset to a value large
-		// enough to force four bytes to be reserved for each
-		// file offset.  This would provide adequate space for
-		// the xref stream as long as the last object in page
-		// 1 starts with in the first 4 GB of the file, which
-		// is extremely likely.  In the second pass, we will
-		// know the actual value for this, but it's okay if
-		// it's smaller.
-		first_half_max_obj_offset = 1 << 25;
-	    }
-	    pos = this->m->pipeline->getCount();
-	    writeXRefStream(first_half_xref, first_half_end,
-			    first_half_max_obj_offset,
-			    t_lin_first, first_half_start, first_half_end,
-			    first_trailer_size,
-			    hint_length + second_xref_offset,
-			    hint_id, hint_offset, hint_length,
-			    (pass == 1), pass);
-	    qpdf_offset_t endpos = this->m->pipeline->getCount();
-	    if (pass == 1)
-	    {
-		// Pad so we have enough room for the real xref
-		// stream.
-		writePad(calculateXrefStreamPadding(endpos - pos));
-		first_xref_end = this->m->pipeline->getCount();
-	    }
-	    else
-	    {
-		// Pad so that the next object starts at the same
-		// place as in pass 1.
-		writePad(first_xref_end - endpos);
+        qpdf_offset_t first_xref_offset = this->m->pipeline->getCount();
+        qpdf_offset_t hint_offset = 0;
+        if (pass == 2) {
+            hint_offset = this->m->xrefhint_id.getOffset();
+        }
+        if (need_xref_stream) {
+            // Must pad here too.
+            if (pass == 1) {
+                // Set first_half_max_obj_offset to a value large
+                // enough to force four bytes to be reserved for each
+                // file offset.  This would provide adequate space for
+                // the xref stream as long as the last object in page
+                // 1 starts with in the first 4 GB of the file, which
+                // is extremely likely.  In the second pass, we will
+                // know the actual value for this, but it's okay if
+                // it's smaller.
+                first_half_max_obj_offset = 1 << 25;
+            }
+            pos = this->m->pipeline->getCount();
+            writeXRefStream(
+                first_half_xref,
+                first_half_end,
+                first_half_max_obj_offset,
+                t_lin_first,
+                first_half_start,
+                first_half_end,
+                first_trailer_size,
+                hint_length + second_xref_offset,
+                hint_id,
+                hint_offset,
+                hint_length,
+                (pass == 1),
+                pass);
+            qpdf_offset_t endpos = this->m->pipeline->getCount();
+            if (pass == 1) {
+                // Pad so we have enough room for the real xref
+                // stream.
+                writePad(calculateXrefStreamPadding(endpos - pos));
+                first_xref_end = this->m->pipeline->getCount();
+            } else {
+                // Pad so that the next object starts at the same
+                // place as in pass 1.
+                writePad(QIntC::to_int(first_xref_end - endpos));
 
-		if (this->m->pipeline->getCount() != first_xref_end)
-                {
+                if (this->m->pipeline->getCount() != first_xref_end) {
                     throw std::logic_error(
-                        "insufficient padding for first pass xref stream");
+                        "insufficient padding for first pass xref stream; "
+                        "first_xref_end=" +
+                        QUtil::int_to_string(first_xref_end) +
+                        "; endpos=" + QUtil::int_to_string(endpos));
                 }
-	    }
-	    writeString("\n");
-	}
-	else
-	{
-	    writeXRefTable(t_lin_first, first_half_start, first_half_end,
-			   first_trailer_size, hint_length + second_xref_offset,
-			   (pass == 1), hint_id, hint_offset, hint_length,
-                           pass);
-	    writeString("startxref\n0\n%%EOF\n");
-	}
-
-	// Parts 4 through 9
-
-	for (std::list<QPDFObjectHandle>::iterator iter =
-		 this->m->object_queue.begin();
-	     iter != this->m->object_queue.end(); ++iter)
-	{
-	    QPDFObjectHandle cur_object = (*iter);
-	    if (cur_object.getObjectID() == part6_end_marker)
-	    {
-		first_half_max_obj_offset = this->m->pipeline->getCount();
-	    }
-	    writeObject(cur_object);
-	    if (cur_object.getObjectID() == part4_end_marker)
-	    {
-		if (this->m->encrypted)
-		{
-		    writeEncryptionDictionary();
-		}
-		if (pass == 1)
-		{
-		    this->m->xrefhint_id =
-			QPDFXRefEntry(1, this->m->pipeline->getCount(), 0);
-		}
-		else
-		{
-		    // Part 5: hint stream
-		    writeBuffer(hint_buffer);
-		}
-	    }
-	    if (cur_object.getObjectID() == part6_end_marker)
-	    {
-		part6_end_offset = this->m->pipeline->getCount();
-	    }
-	}
-
-	// Part 10: overflow hint stream -- not used
-
-	// Part 11: main cross reference table and trailer
-
-	second_xref_offset = this->m->pipeline->getCount();
-	if (need_xref_stream)
-	{
-	    pos = this->m->pipeline->getCount();
-	    space_before_zero =
-		writeXRefStream(second_half_xref,
-				second_half_end, second_xref_offset,
-				t_lin_second, 0, second_half_end,
-				second_trailer_size,
-				0, 0, 0, 0, (pass == 1), pass);
-	    qpdf_offset_t endpos = this->m->pipeline->getCount();
-
-	    if (pass == 1)
-	    {
-		// Pad so we have enough room for the real xref
-		// stream.  See comments for previous xref stream on
-		// how we calculate the padding.
-		writePad(calculateXrefStreamPadding(endpos - pos));
-		writeString("\n");
-		second_xref_end = this->m->pipeline->getCount();
-	    }
-	    else
-	    {
-		// Make the file size the same.
-		qpdf_offset_t pos = this->m->pipeline->getCount();
-		writePad(second_xref_end + hint_length - 1 - pos);
-		writeString("\n");
-
-		// If this assertion fails, maybe we didn't have
-		// enough padding above.
-		if (this->m->pipeline->getCount() !=
-                    second_xref_end + hint_length)
-                {
-                    throw std::logic_error(
-                        "count mismatch after xref stream;"
-                        " possible insufficient padding?");
+            }
+            writeString("\n");
+        } else {
+            writeXRefTable(
+                t_lin_first,
+                first_half_start,
+                first_half_end,
+                first_trailer_size,
+                hint_length + second_xref_offset,
+                (pass == 1),
+                hint_id,
+                hint_offset,
+                hint_length,
+                pass);
+            writeString("startxref\n0\n%%EOF\n");
+        }
+
+        // Parts 4 through 9
+
+        for (auto const& cur_object: this->m->object_queue) {
+            if (cur_object.getObjectID() == part6_end_marker) {
+                first_half_max_obj_offset = this->m->pipeline->getCount();
+            }
+            writeObject(cur_object);
+            if (cur_object.getObjectID() == part4_end_marker) {
+                if (this->m->encrypted) {
+                    writeEncryptionDictionary();
+                }
+                if (pass == 1) {
+                    this->m->xrefhint_id =
+                        QPDFXRefEntry(1, this->m->pipeline->getCount(), 0);
+                } else {
+                    // Part 5: hint stream
+                    writeBuffer(hint_buffer);
                 }
-	    }
-	}
-	else
-	{
-	    space_before_zero =
-		writeXRefTable(t_lin_second, 0, second_half_end,
-			       second_trailer_size, 0, false, 0, 0, 0, pass);
-	}
-	writeString("startxref\n");
-	writeString(QUtil::int_to_string(first_xref_offset));
-	writeString("\n%%EOF\n");
+            }
+            if (cur_object.getObjectID() == part6_end_marker) {
+                part6_end_offset = this->m->pipeline->getCount();
+            }
+        }
+
+        // Part 10: overflow hint stream -- not used
+
+        // Part 11: main cross reference table and trailer
+
+        second_xref_offset = this->m->pipeline->getCount();
+        if (need_xref_stream) {
+            pos = this->m->pipeline->getCount();
+            space_before_zero = writeXRefStream(
+                second_half_xref,
+                second_half_end,
+                second_xref_offset,
+                t_lin_second,
+                0,
+                second_half_end,
+                second_trailer_size,
+                0,
+                0,
+                0,
+                0,
+                (pass == 1),
+                pass);
+            qpdf_offset_t endpos = this->m->pipeline->getCount();
+
+            if (pass == 1) {
+                // Pad so we have enough room for the real xref
+                // stream.  See comments for previous xref stream on
+                // how we calculate the padding.
+                writePad(calculateXrefStreamPadding(endpos - pos));
+                writeString("\n");
+                second_xref_end = this->m->pipeline->getCount();
+            } else {
+                // Make the file size the same.
+                writePad(QIntC::to_int(
+                    second_xref_end + hint_length - 1 -
+                    this->m->pipeline->getCount()));
+                writeString("\n");
+
+                // If this assertion fails, maybe we didn't have
+                // enough padding above.
+                if (this->m->pipeline->getCount() !=
+                    second_xref_end + hint_length) {
+                    throw std::logic_error("count mismatch after xref stream;"
+                                           " possible insufficient padding?");
+                }
+            }
+        } else {
+            space_before_zero = writeXRefTable(
+                t_lin_second,
+                0,
+                second_half_end,
+                second_trailer_size,
+                0,
+                false,
+                0,
+                0,
+                0,
+                pass);
+        }
+        writeString("startxref\n");
+        writeString(QUtil::int_to_string(first_xref_offset));
+        writeString("\n%%EOF\n");
 
         discardGeneration(this->m->obj_renumber, this->m->obj_renumber_no_gen);
 
-	if (pass == 1)
-	{
-            if (this->m->deterministic_id)
-            {
-                QTC::TC("qpdf", "QPDFWriter linearized deterministic ID",
-                        need_xref_stream ? 0 : 1);
+        if (pass == 1) {
+            if (this->m->deterministic_id) {
+                QTC::TC(
+                    "qpdf",
+                    "QPDFWriter linearized deterministic ID",
+                    need_xref_stream ? 0 : 1);
                 computeDeterministicIDData();
-                popPipelineStack();
-                assert(this->m->md5_pipeline == 0);
+                pp_md5 = nullptr;
+                qpdf_assert_debug(this->m->md5_pipeline == nullptr);
             }
 
-	    // Close first pass pipeline
-	    file_size = this->m->pipeline->getCount();
-	    popPipelineStack();
-
-	    // Save hint offset since it will be set to zero by
-	    // calling openObject.
-	    qpdf_offset_t hint_offset = this->m->xrefhint_id.getOffset();
-
-	    // Write hint stream to a buffer
-	    pushPipeline(new Pl_Buffer("hint buffer"));
-	    activatePipelineStack();
-	    writeHintStream(hint_id);
-	    popPipelineStack(&hint_buffer);
-	    hint_length = hint_buffer->getSize();
-
-	    // Restore hint offset
-	    this->m->xrefhint_id = QPDFXRefEntry(1, hint_offset, 0);
-            if (lin_pass1_file)
+            // Close first pass pipeline
+            file_size = this->m->pipeline->getCount();
+            pp_pass1 = nullptr;
+
+            // Save hint offset since it will be set to zero by
+            // calling openObject.
+            qpdf_offset_t hint_offset1 = this->m->xrefhint_id.getOffset();
+
+            // Write hint stream to a buffer
             {
+                pushPipeline(new Pl_Buffer("hint buffer"));
+                PipelinePopper pp_hint(this, &hint_buffer);
+                activatePipelineStack(pp_hint);
+                writeHintStream(hint_id);
+            }
+            hint_length = QIntC::to_offset(hint_buffer->getSize());
+
+            // Restore hint offset
+            this->m->xrefhint_id = QPDFXRefEntry(1, hint_offset1, 0);
+            if (lin_pass1_file) {
                 // Write some debugging information
-                fprintf(lin_pass1_file, "%% hint_offset=%s\n",
-                        QUtil::int_to_string(hint_offset).c_str());
-                fprintf(lin_pass1_file, "%% hint_length=%s\n",
-                        QUtil::int_to_string(hint_length).c_str());
-                fprintf(lin_pass1_file, "%% second_xref_offset=%s\n",
-                        QUtil::int_to_string(second_xref_offset).c_str());
-                fprintf(lin_pass1_file, "%% second_xref_end=%s\n",
-                        QUtil::int_to_string(second_xref_end).c_str());
+                fprintf(
+                    lin_pass1_file,
+                    "%% hint_offset=%s\n",
+                    QUtil::int_to_string(hint_offset1).c_str());
+                fprintf(
+                    lin_pass1_file,
+                    "%% hint_length=%s\n",
+                    QUtil::int_to_string(hint_length).c_str());
+                fprintf(
+                    lin_pass1_file,
+                    "%% second_xref_offset=%s\n",
+                    QUtil::int_to_string(second_xref_offset).c_str());
+                fprintf(
+                    lin_pass1_file,
+                    "%% second_xref_end=%s\n",
+                    QUtil::int_to_string(second_xref_end).c_str());
                 fclose(lin_pass1_file);
-                lin_pass1_file = 0;
+                lin_pass1_file = nullptr;
             }
-	}
+        }
     }
 }
 
 void
 QPDFWriter::enqueueObjectsStandard()
 {
-    if (this->m->preserve_unreferenced_objects)
-    {
+    if (this->m->preserve_unreferenced_objects) {
         QTC::TC("qpdf", "QPDFWriter preserve unreferenced standard");
-        std::vector<QPDFObjectHandle> all = this->m->pdf.getAllObjects();
-        for (std::vector<QPDFObjectHandle>::iterator iter = all.begin();
-             iter != all.end(); ++iter)
-        {
-            enqueueObject(*iter);
+        for (auto const& oh: this->m->pdf.getAllObjects()) {
+            enqueueObject(oh);
         }
     }
 
@@ -3432,11 +3275,8 @@
     // dictionary into the queue, handling direct objects recursively.
     // Root is already there, so enqueuing it a second time is a
     // no-op.
-    std::set<std::string> keys = trailer.getKeys();
-    for (std::set<std::string>::iterator iter = keys.begin();
-	 iter != keys.end(); ++iter)
-    {
-	enqueueObject(trailer.getKey(*iter));
+    for (auto const& key: trailer.getKeys()) {
+        enqueueObject(trailer.getKey(key));
     }
 }
 
@@ -3450,25 +3290,19 @@
 
     // enqueue all pages first
     std::vector<QPDFObjectHandle> all = this->m->pdf.getAllPages();
-    for (std::vector<QPDFObjectHandle>::iterator iter = all.begin();
-         iter != all.end(); ++iter)
-    {
+    for (auto& page: all) {
         // enqueue page
-        enqueueObject(*iter);
+        enqueueObject(page);
 
         // enqueue page contents stream
-        enqueueObject((*iter).getKey("/Contents"));
+        enqueueObject(page.getKey("/Contents"));
 
         // enqueue all the strips for each page
-        QPDFObjectHandle strips =
-            (*iter).getKey("/Resources").getKey("/XObject");
-        std::set<std::string> keys = strips.getKeys();
-        for (std::set<std::string>::iterator image = keys.begin();
-             image != keys.end(); ++image)
-        {
-            enqueueObject(strips.getKey(*image));
+        QPDFObjectHandle strips = page.getKey("/Resources").getKey("/XObject");
+        for (auto const& image: strips.getKeys()) {
+            enqueueObject(strips.getKey(image));
             enqueueObject(QPDFObjectHandle::newStream(
-                              &this->m->pdf, image_transform_content));
+                &this->m->pdf, image_transform_content));
         }
     }
 
@@ -3480,39 +3314,37 @@
 void
 QPDFWriter::indicateProgress(bool decrement, bool finished)
 {
-    if (decrement)
-    {
+    if (decrement) {
         --this->m->events_seen;
         return;
     }
 
     ++this->m->events_seen;
 
-    if (! this->m->progress_reporter.getPointer())
-    {
+    if (!this->m->progress_reporter.get()) {
         return;
     }
 
-    if (finished || (this->m->events_seen >= this->m->next_progress_report))
-    {
-        int percentage = (
-            finished
-            ? 100
-            : this->m->next_progress_report == 0
-            ? 0
-            : std::min(99, 1 + ((100 * this->m->events_seen) /
-                                this->m->events_expected)));
+    if (finished || (this->m->events_seen >= this->m->next_progress_report)) {
+        int percentage =
+            (finished ? 100
+                 : this->m->next_progress_report == 0
+                 ? 0
+                 : std::min(
+                       99,
+                       1 +
+                           ((100 * this->m->events_seen) /
+                            this->m->events_expected)));
         this->m->progress_reporter->reportProgress(percentage);
     }
     int increment = std::max(1, (this->m->events_expected / 100));
-    while (this->m->events_seen >= this->m->next_progress_report)
-    {
+    while (this->m->events_seen >= this->m->next_progress_report) {
         this->m->next_progress_report += increment;
     }
 }
 
 void
-QPDFWriter::registerProgressReporter(PointerHolder<ProgressReporter> pr)
+QPDFWriter::registerProgressReporter(std::shared_ptr<ProgressReporter> pr)
 {
     this->m->progress_reporter = pr;
 }
@@ -3520,9 +3352,9 @@
 void
 QPDFWriter::writeStandard()
 {
-    if (this->m->deterministic_id)
-    {
-        pushMD5Pipeline();
+    auto pp_md5 = std::make_shared<PipelinePopper>(this);
+    if (this->m->deterministic_id) {
+        pushMD5Pipeline(*pp_md5);
     }
 
     // Start writing
@@ -3530,53 +3362,52 @@
     writeHeader();
     writeString(this->m->extra_header_text);
 
-    if (this->m->pclm)
-    {
+    if (this->m->pclm) {
         enqueueObjectsPCLm();
-    }
-    else
-    {
+    } else {
         enqueueObjectsStandard();
     }
 
     // Now start walking queue, outputting each object.
-    while (this->m->object_queue.size())
-    {
-	QPDFObjectHandle cur_object = this->m->object_queue.front();
-	this->m->object_queue.pop_front();
-	writeObject(cur_object);
+    while (this->m->object_queue.size()) {
+        QPDFObjectHandle cur_object = this->m->object_queue.front();
+        this->m->object_queue.pop_front();
+        writeObject(cur_object);
     }
 
     // Write out the encryption dictionary, if any
-    if (this->m->encrypted)
-    {
-	writeEncryptionDictionary();
+    if (this->m->encrypted) {
+        writeEncryptionDictionary();
     }
 
     // Now write out xref.  next_objid is now the number of objects.
     qpdf_offset_t xref_offset = this->m->pipeline->getCount();
-    if (this->m->object_stream_to_objects.empty())
-    {
-	// Write regular cross-reference table
-	writeXRefTable(t_normal, 0, this->m->next_objid - 1,
-                       this->m->next_objid);
-    }
-    else
-    {
-	// Write cross-reference stream.
-	int xref_id = this->m->next_objid++;
-	writeXRefStream(xref_id, xref_id, xref_offset, t_normal,
-			0, this->m->next_objid - 1, this->m->next_objid);
+    if (this->m->object_stream_to_objects.empty()) {
+        // Write regular cross-reference table
+        writeXRefTable(
+            t_normal, 0, this->m->next_objid - 1, this->m->next_objid);
+    } else {
+        // Write cross-reference stream.
+        int xref_id = this->m->next_objid++;
+        writeXRefStream(
+            xref_id,
+            xref_id,
+            xref_offset,
+            t_normal,
+            0,
+            this->m->next_objid - 1,
+            this->m->next_objid);
     }
     writeString("startxref\n");
     writeString(QUtil::int_to_string(xref_offset));
     writeString("\n%%EOF\n");
 
-    if (this->m->deterministic_id)
-    {
-	QTC::TC("qpdf", "QPDFWriter standard deterministic ID",
-                this->m->object_stream_to_objects.empty() ? 0 : 1);
-        popPipelineStack();
-        assert(this->m->md5_pipeline == 0);
+    if (this->m->deterministic_id) {
+        QTC::TC(
+            "qpdf",
+            "QPDFWriter standard deterministic ID",
+            this->m->object_stream_to_objects.empty() ? 0 : 1);
+        pp_md5 = nullptr;
+        qpdf_assert_debug(this->m->md5_pipeline == nullptr);
     }
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDFXRefEntry.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDFXRefEntry.cc Changed

@@ -1,4 +1,6 @@
 #include <qpdf/QPDFXRefEntry.hh>
+
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDFExc.hh>
 #include <qpdf/QUtil.hh>
 
@@ -14,10 +16,9 @@
     field1(field1),
     field2(field2)
 {
-    if ((type < 1) || (type > 2))
-    {
-	throw std::logic_error(
-	    "invalid xref type " + QUtil::int_to_string(type));
+    if ((type < 1) || (type > 2)) {
+        throw std::logic_error(
+            "invalid xref type " + QUtil::int_to_string(type));
     }
 }
 
@@ -30,10 +31,8 @@
 qpdf_offset_t
 QPDFXRefEntry::getOffset() const
 {
-    if (this->type != 1)
-    {
-	throw std::logic_error(
-	    "getOffset called for xref entry of type != 1");
+    if (this->type != 1) {
+        throw std::logic_error("getOffset called for xref entry of type != 1");
     }
     return this->field1;
 }
@@ -41,21 +40,19 @@
 int
 QPDFXRefEntry::getObjStreamNumber() const
 {
-    if (this->type != 2)
-    {
-	throw std::logic_error(
-	    "getObjStreamNumber called for xref entry of type != 2");
+    if (this->type != 2) {
+        throw std::logic_error(
+            "getObjStreamNumber called for xref entry of type != 2");
     }
-    return this->field1;
+    return QIntC::to_int(this->field1);
 }
 
 int
 QPDFXRefEntry::getObjStreamIndex() const
 {
-    if (this->type != 2)
-    {
-	throw std::logic_error(
-	    "getObjStreamIndex called for xref entry of type != 2");
+    if (this->type != 2) {
+        throw std::logic_error(
+            "getObjStreamIndex called for xref entry of type != 2");
     }
     return this->field2;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Array.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Array.cc Changed

@@ -1,129 +1,138 @@
 #include <qpdf/QPDF_Array.hh>
+
+#include <qpdf/QIntC.hh>
 #include <qpdf/QUtil.hh>
 #include <stdexcept>
 
-QPDF_Array::QPDF_Array(std::vector<QPDFObjectHandle> const& items) :
-    items(items)
+QPDF_Array::QPDF_Array(std::vector<QPDFObjectHandle> const& v) :
+    QPDFValue(::ot_array, "array")
+{
+    setFromVector(v);
+}
+
+QPDF_Array::QPDF_Array(SparseOHArray const& items) :
+    QPDFValue(::ot_array, "array"),
+    elements(items)
 {
 }
 
-QPDF_Array::~QPDF_Array()
+std::shared_ptr<QPDFObject>
+QPDF_Array::create(std::vector<QPDFObjectHandle> const& items)
 {
+    return do_create(new QPDF_Array(items));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Array::create(SparseOHArray const& items)
+{
+    return do_create(new QPDF_Array(items));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Array::shallowCopy()
+{
+    return create(elements);
 }
 
 void
-QPDF_Array::releaseResolved()
+QPDF_Array::disconnect()
 {
-    for (std::vector<QPDFObjectHandle>::iterator iter = this->items.begin();
-	 iter != this->items.end(); ++iter)
-    {
-	QPDFObjectHandle::ReleaseResolver::releaseResolved(*iter);
-    }
+    elements.disconnect();
 }
 
 std::string
 QPDF_Array::unparse()
 {
     std::string result = " ";
-    for (std::vector<QPDFObjectHandle>::iterator iter = this->items.begin();
-	 iter != this->items.end(); ++iter)
-    {
-	result += (*iter).unparse();
-	result += " ";
+    size_t size = this->elements.size();
+    for (size_t i = 0; i < size; ++i) {
+        result += this->elements.at(i).unparse();
+        result += " ";
     }
     result += "";
     return result;
 }
 
 JSON
-QPDF_Array::getJSON()
+QPDF_Array::getJSON(int json_version)
 {
     JSON j = JSON::makeArray();
-    for (std::vector<QPDFObjectHandle>::iterator iter = this->items.begin();
-	 iter != this->items.end(); ++iter)
-    {
-        j.addArrayElement((*iter).getJSON());
+    size_t size = this->elements.size();
+    for (size_t i = 0; i < size; ++i) {
+        j.addArrayElement(this->elements.at(i).getJSON(json_version));
     }
     return j;
 }
 
-QPDFObject::object_type_e
-QPDF_Array::getTypeCode() const
-{
-    return QPDFObject::ot_array;
-}
-
-char const*
-QPDF_Array::getTypeName() const
-{
-    return "array";
-}
-
-void
-QPDF_Array::setDescription(QPDF* qpdf, std::string const& description)
-{
-    this->QPDFObject::setDescription(qpdf, description);
-}
-
 int
 QPDF_Array::getNItems() const
 {
-    return this->items.size();
+    // This should really return a size_t, but changing it would break
+    // a lot of code.
+    return QIntC::to_int(this->elements.size());
 }
 
 QPDFObjectHandle
 QPDF_Array::getItem(int n) const
 {
-    if ((n < 0) || (n >= static_cast<int>(this->items.size())))
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: bounds error accessing QPDF_Array element");
+    if ((n < 0) || (n >= QIntC::to_int(elements.size()))) {
+        throw std::logic_error(
+            "INTERNAL ERROR: bounds error accessing QPDF_Array element");
     }
-    return this->items.at(n);
+    return this->elements.at(QIntC::to_size(n));
 }
 
-std::vector<QPDFObjectHandle> const&
-QPDF_Array::getAsVector() const
+void
+QPDF_Array::getAsVector(std::vector<QPDFObjectHandle>& v) const
 {
-    return this->items;
+    size_t size = this->elements.size();
+    for (size_t i = 0; i < size; ++i) {
+        v.push_back(this->elements.at(i));
+    }
 }
 
 void
 QPDF_Array::setItem(int n, QPDFObjectHandle const& oh)
 {
-    // Call getItem for bounds checking
-    (void) getItem(n);
-    this->items.at(n) = oh;
+    this->elements.setAt(QIntC::to_size(n), oh);
 }
 
 void
-QPDF_Array::setFromVector(std::vector<QPDFObjectHandle> const& items)
+QPDF_Array::setFromVector(std::vector<QPDFObjectHandle> const& v)
 {
-    this->items = items;
+    this->elements = SparseOHArray();
+    for (auto const& iter: v) {
+        this->elements.append(iter);
+    }
 }
 
 void
 QPDF_Array::insertItem(int at, QPDFObjectHandle const& item)
 {
     // As special case, also allow insert beyond the end
-    if ((at < 0) || (at > static_cast<int>(this->items.size())))
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: bounds error accessing QPDF_Array element");
+    if ((at < 0) || (at > QIntC::to_int(this->elements.size()))) {
+        throw std::logic_error(
+            "INTERNAL ERROR: bounds error accessing QPDF_Array element");
     }
-    this->items.insert(this->items.begin() + at, item);
+    this->elements.insert(QIntC::to_size(at), item);
 }
 
 void
 QPDF_Array::appendItem(QPDFObjectHandle const& item)
 {
-    this->items.push_back(item);
+    this->elements.append(item);
 }
 
 void
 QPDF_Array::eraseItem(int at)
 {
-    // Call getItem for bounds checking
-    (void) getItem(at);
-    this->items.erase(this->items.begin() + at);
+    this->elements.erase(QIntC::to_size(at));
+}
+
+void
+QPDF_Array::addExplicitElementsToList(std::list<QPDFObjectHandle>& l) const
+{
+    for (auto const& iter: this->elements) {
+        l.push_back(iter.second);
+    }
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Bool.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Bool.cc Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Destroyed.cc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Dictionary.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Dictionary.cc Changed

@@ -1,26 +1,31 @@
 #include <qpdf/QPDF_Dictionary.hh>
 
-#include <qpdf/QPDF_Null.hh>
 #include <qpdf/QPDF_Name.hh>
 
 QPDF_Dictionary::QPDF_Dictionary(
     std::map<std::string, QPDFObjectHandle> const& items) :
+    QPDFValue(::ot_dictionary, "dictionary"),
     items(items)
 {
 }
 
-QPDF_Dictionary::~QPDF_Dictionary()
+std::shared_ptr<QPDFObject>
+QPDF_Dictionary::create(std::map<std::string, QPDFObjectHandle> const& items)
 {
+    return do_create(new QPDF_Dictionary(items));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Dictionary::shallowCopy()
+{
+    return create(items);
 }
 
 void
-QPDF_Dictionary::releaseResolved()
+QPDF_Dictionary::disconnect()
 {
-    for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-	     this->items.begin();
-	 iter != this->items.end(); ++iter)
-    {
-	QPDFObjectHandle::ReleaseResolver::releaseResolved((*iter).second);
+    for (auto& iter: this->items) {
+        QPDFObjectHandle::DisconnectAccess::disconnect(iter.second);
     }
 }
 
@@ -28,54 +33,35 @@
 QPDF_Dictionary::unparse()
 {
     std::string result = "<< ";
-    for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-	     this->items.begin();
-	 iter != this->items.end(); ++iter)
-    {
-	result += QPDF_Name::normalizeName((*iter).first) +
-	    " " + (*iter).second.unparse() + " ";
+    for (auto& iter: this->items) {
+        if (!iter.second.isNull()) {
+            result += QPDF_Name::normalizeName(iter.first) + " " +
+                iter.second.unparse() + " ";
+        }
     }
     result += ">>";
     return result;
 }
 
 JSON
-QPDF_Dictionary::getJSON()
+QPDF_Dictionary::getJSON(int json_version)
 {
     JSON j = JSON::makeDictionary();
-    for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-	     this->items.begin();
-	 iter != this->items.end(); ++iter)
-    {
-        j.addDictionaryMember(QPDF_Name::normalizeName((*iter).first),
-                              (*iter).second.getJSON());
+    for (auto& iter: this->items) {
+        if (!iter.second.isNull()) {
+            std::string key =
+                (json_version == 1 ? QPDF_Name::normalizeName(iter.first)
+                                   : iter.first);
+            j.addDictionaryMember(key, iter.second.getJSON(json_version));
+        }
     }
     return j;
 }
 
-QPDFObject::object_type_e
-QPDF_Dictionary::getTypeCode() const
-{
-    return QPDFObject::ot_dictionary;
-}
-
-char const*
-QPDF_Dictionary::getTypeName() const
-{
-    return "dictionary";
-}
-
-void
-QPDF_Dictionary::setDescription(QPDF* qpdf, std::string const& description)
-{
-    this->QPDFObject::setDescription(qpdf, description);
-}
-
 bool
 QPDF_Dictionary::hasKey(std::string const& key)
 {
-    return ((this->items.count(key) > 0) &&
-	    (! this->itemskey.isNull()));
+    return ((this->items.count(key) > 0) && (!this->itemskey.isNull()));
 }
 
 QPDFObjectHandle
@@ -83,22 +69,19 @@
 {
     // PDF spec says fetching a non-existent key from a dictionary
     // returns the null object.
-    if (this->items.count(key))
-    {
-	// May be a null object
-	return (*(this->items.find(key))).second;
-    }
-    else
-    {
+    auto item = this->items.find(key);
+    if (item != this->items.end()) {
+        // May be a null object
+        return item->second;
+    } else {
         QPDFObjectHandle null = QPDFObjectHandle::newNull();
-        QPDF* qpdf = 0;
+        QPDF* qpdf = nullptr;
         std::string description;
-        if (getDescription(qpdf, description))
-        {
+        if (getDescription(qpdf, description)) {
             null.setObjectDescription(
                 qpdf, description + " -> dictionary key " + key);
         }
-	return null;
+        return null;
     }
 }
 
@@ -106,14 +89,10 @@
 QPDF_Dictionary::getKeys()
 {
     std::set<std::string> result;
-    for (std::map<std::string, QPDFObjectHandle>::const_iterator iter =
-	     this->items.begin();
-	 iter != this->items.end(); ++iter)
-    {
-	if (hasKey((*iter).first))
-	{
-	    result.insert((*iter).first);
-	}
+    for (auto& iter: this->items) {
+        if (!iter.second.isNull()) {
+            result.insert(iter.first);
+        }
     }
     return result;
 }
@@ -125,11 +104,16 @@
 }
 
 void
-QPDF_Dictionary::replaceKey(std::string const& key,
-			    QPDFObjectHandle value)
+QPDF_Dictionary::replaceKey(std::string const& key, QPDFObjectHandle value)
 {
-    // add or replace value
-    this->itemskey = value;
+    if (value.isNull()) {
+        // The PDF spec doesn't distinguish between keys with null
+        // values and missing keys.
+        removeKey(key);
+    } else {
+        // add or replace value
+        this->itemskey = value;
+    }
 }
 
 void
@@ -138,17 +122,3 @@
     // no-op if key does not exist
     this->items.erase(key);
 }
-
-void
-QPDF_Dictionary::replaceOrRemoveKey(std::string const& key,
-				    QPDFObjectHandle value)
-{
-    if (value.isNull())
-    {
-	removeKey(key);
-    }
-    else
-    {
-	replaceKey(key, value);
-    }
-}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_InlineImage.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_InlineImage.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Integer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Integer.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Name.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Name.cc Changed

@@ -1,39 +1,47 @@
 #include <qpdf/QPDF_Name.hh>
 
-#include <string.h>
-#include <stdio.h>
 #include <qpdf/QUtil.hh>
+#include <stdio.h>
+#include <string.h>
 
 QPDF_Name::QPDF_Name(std::string const& name) :
+    QPDFValue(::ot_name, "name"),
     name(name)
 {
 }
 
-QPDF_Name::~QPDF_Name()
+std::shared_ptr<QPDFObject>
+QPDF_Name::create(std::string const& name)
+{
+    return do_create(new QPDF_Name(name));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Name::shallowCopy()
 {
+    return create(name);
 }
 
 std::string
 QPDF_Name::normalizeName(std::string const& name)
 {
-    if (name.empty())
-    {
-	return name;
+    if (name.empty()) {
+        return name;
     }
     std::string result;
     result += name.at(0);
-    for (unsigned int i = 1; i < name.length(); ++i)
-    {
-	char ch = name.at(i);
-	// Don't use locale/ctype here; follow PDF spec guidelines.
-	if (strchr("#()<>{}/%", ch) || (ch < 33) || (ch > 126))
-	{
+    for (size_t i = 1; i < name.length(); ++i) {
+        char ch = name.at(i);
+        // Don't use locale/ctype here; follow PDF spec guidelines.
+        if (ch == '\0') {
+            // QPDFTokenizer embeds a null character to encode an
+            // invalid #.
+            result += "#";
+        } else if (strchr("#()<>{}/%", ch) || (ch < 33) || (ch > 126)) {
             result += "#" + QUtil::hex_encode(std::string(&ch, 1));
-	}
-	else
-	{
-	    result += ch;
-	}
+        } else {
+            result += ch;
+        }
     }
     return result;
 }
@@ -45,21 +53,13 @@
 }
 
 JSON
-QPDF_Name::getJSON()
+QPDF_Name::getJSON(int json_version)
 {
-    return JSON::makeString(normalizeName(this->name));
-}
-
-QPDFObject::object_type_e
-QPDF_Name::getTypeCode() const
-{
-    return QPDFObject::ot_name;
-}
-
-char const*
-QPDF_Name::getTypeName() const
-{
-    return "name";
+    if (json_version == 1) {
+        return JSON::makeString(normalizeName(this->name));
+    } else {
+        return JSON::makeString(this->name);
+    }
 }
 
 std::string

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Null.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Null.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Operator.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Operator.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Real.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Real.cc Changed

@@ -3,17 +3,35 @@
 #include <qpdf/QUtil.hh>
 
 QPDF_Real::QPDF_Real(std::string const& val) :
+    QPDFValue(::ot_real, "real"),
     val(val)
 {
 }
 
-QPDF_Real::QPDF_Real(double value, int decimal_places) :
-    val(QUtil::double_to_string(value, decimal_places))
+QPDF_Real::QPDF_Real(
+    double value, int decimal_places, bool trim_trailing_zeroes) :
+    QPDFValue(::ot_real, "real"),
+    val(QUtil::double_to_string(value, decimal_places, trim_trailing_zeroes))
 {
 }
 
-QPDF_Real::~QPDF_Real()
+std::shared_ptr<QPDFObject>
+QPDF_Real::create(std::string const& val)
 {
+    return do_create(new QPDF_Real(val));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Real::create(double value, int decimal_places, bool trim_trailing_zeroes)
+{
+    return do_create(
+        new QPDF_Real(value, decimal_places, trim_trailing_zeroes));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Real::shallowCopy()
+{
+    return create(val);
 }
 
 std::string
@@ -23,46 +41,27 @@
 }
 
 JSON
-QPDF_Real::getJSON()
+QPDF_Real::getJSON(int json_version)
 {
     // While PDF allows .x or -.x, JSON does not. Rather than
     // converting from string to double and back, just handle this as a
     // special case for JSON.
     std::string result;
-    if (this->val.length() == 0)
-    {
+    if (this->val.length() == 0) {
         // Can't really happen...
         result = "0";
-    }
-    else if (this->val.at(0) == '.')
-    {
+    } else if (this->val.at(0) == '.') {
         result = "0" + this->val;
-    }
-    else if ((this->val.length() >= 2) &&
-             (this->val.at(0) == '-') &&
-             (this->val.at(1) == '.'))
-    {
+    } else if (
+        (this->val.length() >= 2) && (this->val.at(0) == '-') &&
+        (this->val.at(1) == '.')) {
         result = "-0." + this->val.substr(2);
-    }
-    else
-    {
+    } else {
         result = this->val;
     }
     return JSON::makeNumber(result);
 }
 
-QPDFObject::object_type_e
-QPDF_Real::getTypeCode() const
-{
-    return QPDFObject::ot_real;
-}
-
-char const*
-QPDF_Real::getTypeName() const
-{
-    return "real";
-}
-
 std::string
 QPDF_Real::getVal()
 {

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Reserved.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Reserved.cc Changed

@@ -1,32 +1,36 @@
 #include <qpdf/QPDF_Reserved.hh>
+
 #include <stdexcept>
 
-QPDF_Reserved::~QPDF_Reserved()
+QPDF_Reserved::QPDF_Reserved() :
+    QPDFValue(::ot_reserved, "reserved")
 {
 }
 
-std::string
-QPDF_Reserved::unparse()
+std::shared_ptr<QPDFObject>
+QPDF_Reserved::create()
 {
-    throw std::logic_error("attempt to unparse QPDF_Reserved");
-    return "";
+    return do_create(new QPDF_Reserved());
 }
 
-JSON
-QPDF_Reserved::getJSON()
+std::shared_ptr<QPDFObject>
+QPDF_Reserved::shallowCopy()
 {
-    throw std::logic_error("attempt to generate JSON from QPDF_Reserved");
-    return JSON::makeNull();
+    return create();
 }
 
-QPDFObject::object_type_e
-QPDF_Reserved::getTypeCode() const
+std::string
+QPDF_Reserved::unparse()
 {
-    return QPDFObject::ot_reserved;
+    throw std::logic_error(
+        "QPDFObjectHandle: attempting to unparse a reserved object");
+    return "";
 }
 
-char const*
-QPDF_Reserved::getTypeName() const
+JSON
+QPDF_Reserved::getJSON(int json_version)
 {
-    return "reserved";
+    throw std::logic_error(
+        "QPDFObjectHandle: attempting to get JSON from a reserved object");
+    return JSON::makeNull();
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_Stream.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Stream.cc Changed

@@ -1,121 +1,311 @@
 #include <qpdf/QPDF_Stream.hh>
 
-#include <qpdf/QUtil.hh>
+#include <qpdf/ContentNormalizer.hh>
 #include <qpdf/Pipeline.hh>
-#include <qpdf/Pl_Flate.hh>
-#include <qpdf/Pl_PNGFilter.hh>
-#include <qpdf/Pl_TIFFPredictor.hh>
-#include <qpdf/Pl_RC4.hh>
+#include <qpdf/Pl_Base64.hh>
 #include <qpdf/Pl_Buffer.hh>
-#include <qpdf/Pl_ASCII85Decoder.hh>
-#include <qpdf/Pl_ASCIIHexDecoder.hh>
-#include <qpdf/Pl_LZWDecoder.hh>
-#include <qpdf/Pl_RunLength.hh>
-#include <qpdf/Pl_DCT.hh>
 #include <qpdf/Pl_Count.hh>
-#include <qpdf/ContentNormalizer.hh>
-#include <qpdf/QTC.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_QPDFTokenizer.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
 #include <qpdf/QPDFExc.hh>
-#include <qpdf/Pl_QPDFTokenizer.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/SF_ASCII85Decode.hh>
+#include <qpdf/SF_ASCIIHexDecode.hh>
+#include <qpdf/SF_DCTDecode.hh>
+#include <qpdf/SF_FlateLzwDecode.hh>
+#include <qpdf/SF_RunLengthDecode.hh>
 
 #include <stdexcept>
 
-std::map<std::string, std::string> QPDF_Stream::filter_abbreviations;
+namespace
+{
+    class SF_Crypt: public QPDFStreamFilter
+    {
+      public:
+        SF_Crypt() = default;
+        virtual ~SF_Crypt() = default;
+
+        virtual bool
+        setDecodeParms(QPDFObjectHandle decode_parms)
+        {
+            if (decode_parms.isNull()) {
+                return true;
+            }
+            bool filterable = true;
+            for (auto const& key: decode_parms.getKeys()) {
+                if (((key == "/Type") || (key == "/Name")) &&
+                    ((!decode_parms.hasKey("/Type")) ||
+                     decode_parms.isDictionaryOfType(
+                         "/CryptFilterDecodeParms"))) {
+                    // we handle this in decryptStream
+                } else {
+                    filterable = false;
+                }
+            }
+            return filterable;
+        }
+
+        virtual Pipeline*
+        getDecodePipeline(Pipeline*)
+        {
+            // Not used -- handled by pipeStreamData
+            return nullptr;
+        }
+    };
+
+    class StreamBlobProvider
+    {
+      public:
+        StreamBlobProvider(
+            QPDF_Stream* stream, qpdf_stream_decode_level_e decode_level);
+        void operator()(Pipeline*);
+
+      private:
+        QPDF_Stream* stream;
+        qpdf_stream_decode_level_e decode_level;
+    };
+} // namespace
+
+std::map<std::string, std::string> QPDF_Stream::filter_abbreviations = {
+    // The PDF specification provides these filter abbreviations for
+    // use in inline images, but according to table H.1 in the pre-ISO
+    // versions of the PDF specification, Adobe Reader also accepts
+    // them for stream filters.
+    {"/AHx", "/ASCIIHexDecode"},
+    {"/A85", "/ASCII85Decode"},
+    {"/LZW", "/LZWDecode"},
+    {"/Fl", "/FlateDecode"},
+    {"/RL", "/RunLengthDecode"},
+    {"/CCF", "/CCITTFaxDecode"},
+    {"/DCT", "/DCTDecode"},
+};
+
+std::map<std::string, std::function<std::shared_ptr<QPDFStreamFilter>()>>
+    QPDF_Stream::filter_factories = {
+        {"/Crypt", () { return std::make_shared<SF_Crypt>(); }},
+        {"/FlateDecode", SF_FlateLzwDecode::flate_factory},
+        {"/LZWDecode", SF_FlateLzwDecode::lzw_factory},
+        {"/RunLengthDecode", SF_RunLengthDecode::factory},
+        {"/DCTDecode", SF_DCTDecode::factory},
+        {"/ASCII85Decode", SF_ASCII85Decode::factory},
+        {"/ASCIIHexDecode", SF_ASCIIHexDecode::factory},
+};
+
+StreamBlobProvider::StreamBlobProvider(
+    QPDF_Stream* stream, qpdf_stream_decode_level_e decode_level) :
+    stream(stream),
+    decode_level(decode_level)
+{
+}
+
+void
+StreamBlobProvider::operator()(Pipeline* p)
+{
+    this->stream->pipeStreamData(p, nullptr, 0, decode_level, false, false);
+}
 
-QPDF_Stream::QPDF_Stream(QPDF* qpdf, int objid, int generation,
-			 QPDFObjectHandle stream_dict,
-			 qpdf_offset_t offset, size_t length) :
+QPDF_Stream::QPDF_Stream(
+    QPDF* qpdf,
+    QPDFObjGen const& og,
+    QPDFObjectHandle stream_dict,
+    qpdf_offset_t offset,
+    size_t length) :
+    QPDFValue(::ot_stream, "stream"),
     qpdf(qpdf),
-    objid(objid),
-    generation(generation),
+    og(og),
+    filter_on_write(true),
     stream_dict(stream_dict),
     offset(offset),
     length(length)
 {
-    if (! stream_dict.isDictionary())
-    {
-	throw std::logic_error(
-	    "stream object instantiated with non-dictionary "
-	    "object for dictionary");
+    if (!stream_dict.isDictionary()) {
+        throw std::logic_error("stream object instantiated with non-dictionary "
+                               "object for dictionary");
     }
-    setStreamDescription();
+    setDescription(
+        qpdf, qpdf->getFilename() + ", stream object " + og.unparse(' '));
 }
 
-QPDF_Stream::~QPDF_Stream()
+std::shared_ptr<QPDFObject>
+QPDF_Stream::create(
+    QPDF* qpdf,
+    QPDFObjGen const& og,
+    QPDFObjectHandle stream_dict,
+    qpdf_offset_t offset,
+    size_t length)
 {
+    return do_create(new QPDF_Stream(qpdf, og, stream_dict, offset, length));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Stream::shallowCopy()
+{
+    throw std::logic_error("stream objects cannot be cloned");
 }
 
 void
-QPDF_Stream::releaseResolved()
+QPDF_Stream::registerStreamFilter(
+    std::string const& filter_name,
+    std::function<std::shared_ptr<QPDFStreamFilter>()> factory)
 {
-    this->stream_provider = 0;
-    QPDFObjectHandle::ReleaseResolver::releaseResolved(this->stream_dict);
+    filter_factoriesfilter_name = factory;
 }
 
 void
-QPDF_Stream::setObjGen(int objid, int generation)
+QPDF_Stream::setFilterOnWrite(bool val)
 {
-    if (! ((this->objid == 0) && (this->generation == 0)))
-    {
-	throw std::logic_error(
-	    "attempt to set object ID and generation of a stream"
-	    " that already has them");
+    this->filter_on_write = val;
+}
+
+bool
+QPDF_Stream::getFilterOnWrite() const
+{
+    return this->filter_on_write;
+}
+
+void
+QPDF_Stream::disconnect()
+{
+    this->stream_provider = nullptr;
+    QPDFObjectHandle::DisconnectAccess::disconnect(this->stream_dict);
+}
+
+void
+QPDF_Stream::setObjGen(QPDFObjGen const& og)
+{
+    if (this->og.isIndirect()) {
+        throw std::logic_error(
+            "attempt to set object ID and generation of a stream"
+            " that already has them");
     }
-    this->objid = objid;
-    this->generation = generation;
+    this->og = og;
 }
 
 std::string
 QPDF_Stream::unparse()
 {
     // Unparse stream objects as indirect references
-    return QUtil::int_to_string(this->objid) + " " +
-	QUtil::int_to_string(this->generation) + " R";
+    return og.unparse(' ') + " R";
 }
 
 JSON
-QPDF_Stream::getJSON()
-{
-    return this->stream_dict.getJSON();
-}
-
-QPDFObject::object_type_e
-QPDF_Stream::getTypeCode() const
+QPDF_Stream::getJSON(int json_version)
 {
-    return QPDFObject::ot_stream;
+    if (json_version == 1) {
+        return this->stream_dict.getJSON(json_version);
+    }
+    return getStreamJSON(json_version, qpdf_sj_none, qpdf_dl_none, nullptr, "");
 }
 
-char const*
-QPDF_Stream::getTypeName() const
+JSON
+QPDF_Stream::getStreamJSON(
+    int json_version,
+    qpdf_json_stream_data_e json_data,
+    qpdf_stream_decode_level_e decode_level,
+    Pipeline* p,
+    std::string const& data_filename)
 {
-    return "stream";
+    switch (json_data) {
+    case qpdf_sj_none:
+    case qpdf_sj_inline:
+        if (p != nullptr) {
+            throw std::logic_error("QPDF_Stream::getStreamJSON: pipline should "
+                                   "only be suppiled json_data is file");
+        }
+        break;
+    case qpdf_sj_file:
+        if (p == nullptr) {
+            throw std::logic_error("QPDF_Stream::getStreamJSON: pipline must "
+                                   "be be suppiled json_data is file");
+        }
+        if (data_filename.empty()) {
+            throw std::logic_error("QPDF_Stream::getStreamJSON: data_filename "
+                                   "must be supplied when json_data is file");
+        }
+        break;
+    }
+
+    auto dict = this->stream_dict;
+    JSON result = JSON::makeDictionary();
+    if (json_data != qpdf_sj_none) {
+        std::shared_ptr<Buffer> buf;
+        bool filtered = false;
+        bool filter = (decode_level != qpdf_dl_none);
+        for (int attempt = 1; attempt <= 2; ++attempt) {
+            Pl_Discard discard;
+            std::shared_ptr<Pl_Buffer> buf_pl;
+            Pipeline* data_pipeline = nullptr;
+            if (json_data == qpdf_sj_file) {
+                // We need to capture the data to write
+                buf_pl = std::make_shared<Pl_Buffer>("stream data");
+                data_pipeline = buf_pl.get();
+            } else {
+                data_pipeline = &discard;
+            }
+            bool succeeded = pipeStreamData(
+                data_pipeline,
+                &filtered,
+                0,
+                decode_level,
+                false,
+                (attempt == 1));
+            if ((!succeeded) || (filter && (!filtered))) {
+                // Try again
+                filter = false;
+                decode_level = qpdf_dl_none;
+            } else {
+                if (buf_pl.get()) {
+                    buf = buf_pl->getBufferSharedPointer();
+                }
+                break;
+            }
+        }
+        // We can use unsafeShallowCopy because we are only
+        // touching top-level keys.
+        dict = this->stream_dict.unsafeShallowCopy();
+        dict.removeKey("/Length");
+        if (filter && filtered) {
+            dict.removeKey("/Filter");
+            dict.removeKey("/DecodeParms");
+        }
+        if (json_data == qpdf_sj_file) {
+            result.addDictionaryMember(
+                "datafile", JSON::makeString(data_filename));
+            if (!buf.get()) {
+                throw std::logic_error(
+                    "QPDF_Stream: failed to get stream data in json file mode");
+            }
+            p->write(buf->getBuffer(), buf->getSize());
+        } else if (json_data == qpdf_sj_inline) {
+            result.addDictionaryMember(
+                "data", JSON::makeBlob(StreamBlobProvider(this, decode_level)));
+        } else {
+            throw std::logic_error(
+                "QPDF_Stream: unexpected value of json_data");
+        }
+    }
+    result.addDictionaryMember("dict", dict.getJSON(json_version));
+    return result;
 }
 
 void
 QPDF_Stream::setDescription(QPDF* qpdf, std::string const& description)
 {
-    this->QPDFObject::setDescription(qpdf, description);
+    this->QPDFValue::setDescription(qpdf, description);
     setDictDescription();
 }
 
 void
-QPDF_Stream::setStreamDescription()
-{
-    setDescription(
-        this->qpdf,
-        "stream object " + QUtil::int_to_string(this->objid) + " " +
-        QUtil::int_to_string(this->generation));
-}
-
-void
 QPDF_Stream::setDictDescription()
 {
-    QPDF* qpdf = 0;
+    QPDF* qpdf = nullptr;
     std::string description;
-    if ((! this->stream_dict.hasObjectDescription()) &&
-        getDescription(qpdf, description))
-    {
+    if ((!this->stream_dict.hasObjectDescription()) &&
+        getDescription(qpdf, description)) {
         this->stream_dict.setObjectDescription(
             qpdf, description + " -> stream dictionary");
     }
@@ -130,7 +320,7 @@
 bool
 QPDF_Stream::isDataModified() const
 {
-    return (! this->token_filters.empty());
+    return (!this->token_filters.empty());
 }
 
 qpdf_offset_t
@@ -145,263 +335,130 @@
     return this->length;
 }
 
-PointerHolder<Buffer>
+std::shared_ptr<Buffer>
 QPDF_Stream::getStreamDataBuffer() const
 {
     return this->stream_data;
 }
 
-PointerHolder<QPDFObjectHandle::StreamDataProvider>
+std::shared_ptr<QPDFObjectHandle::StreamDataProvider>
 QPDF_Stream::getStreamDataProvider() const
 {
     return this->stream_provider;
 }
 
-PointerHolder<Buffer>
+std::shared_ptr<Buffer>
 QPDF_Stream::getStreamData(qpdf_stream_decode_level_e decode_level)
 {
     Pl_Buffer buf("stream data buffer");
-    if (! pipeStreamData(&buf, 0, decode_level, false, false))
-    {
-	throw QPDFExc(qpdf_e_unsupported, qpdf->getFilename(),
-                      "", this->offset,
-                      "getStreamData called on unfilterable stream");
+    bool filtered;
+    pipeStreamData(&buf, &filtered, 0, decode_level, false, false);
+    if (!filtered) {
+        throw QPDFExc(
+            qpdf_e_unsupported,
+            qpdf->getFilename(),
+            "",
+            this->offset,
+            "getStreamData called on unfilterable stream");
     }
     QTC::TC("qpdf", "QPDF_Stream getStreamData");
-    return buf.getBuffer();
+    return buf.getBufferSharedPointer();
 }
 
-PointerHolder<Buffer>
+std::shared_ptr<Buffer>
 QPDF_Stream::getRawStreamData()
 {
     Pl_Buffer buf("stream data buffer");
-    pipeStreamData(&buf, 0, qpdf_dl_none, false, false);
+    if (!pipeStreamData(&buf, nullptr, 0, qpdf_dl_none, false, false)) {
+        throw QPDFExc(
+            qpdf_e_unsupported,
+            qpdf->getFilename(),
+            "",
+            this->offset,
+            "error getting raw stream data");
+    }
     QTC::TC("qpdf", "QPDF_Stream getRawStreamData");
-    return buf.getBuffer();
+    return buf.getBufferSharedPointer();
 }
 
 bool
-QPDF_Stream::understandDecodeParams(
-    std::string const& filter, QPDFObjectHandle decode_obj,
-    int& predictor, int& columns,
-    int& colors, int& bits_per_component,
-    bool& early_code_change)
+QPDF_Stream::filterable(
+    std::vector<std::shared_ptr<QPDFStreamFilter>>& filters,
+    bool& specialized_compression,
+    bool& lossy_compression)
 {
-    bool filterable = true;
-    std::set<std::string> keys = decode_obj.getKeys();
-    for (std::set<std::string>::iterator iter = keys.begin();
-         iter != keys.end(); ++iter)
-    {
-        std::string const& key = *iter;
-        if (((filter == "/FlateDecode") || (filter == "/LZWDecode")) &&
-            (key == "/Predictor"))
-        {
-            QPDFObjectHandle predictor_obj = decode_obj.getKey(key);
-            if (predictor_obj.isInteger())
-            {
-                predictor = predictor_obj.getIntValue();
-                if (! ((predictor == 1) || (predictor == 2) ||
-                       ((predictor >= 10) && (predictor <= 15))))
-                {
-                    filterable = false;
-                }
-            }
-            else
-            {
-                filterable = false;
-            }
-        }
-        else if ((filter == "/LZWDecode") && (key == "/EarlyChange"))
-        {
-            QPDFObjectHandle earlychange_obj = decode_obj.getKey(key);
-            if (earlychange_obj.isInteger())
-            {
-                int earlychange = earlychange_obj.getIntValue();
-                early_code_change = (earlychange == 1);
-                if (! ((earlychange == 0) || (earlychange == 1)))
-                {
-                    filterable = false;
-                }
-            }
-            else
-            {
-                filterable = false;
-            }
-        }
-        else if ((key == "/Columns") ||
-                 (key == "/Colors") ||
-                 (key == "/BitsPerComponent"))
-        {
-            QPDFObjectHandle param_obj = decode_obj.getKey(key);
-            if (param_obj.isInteger())
-            {
-                int val = param_obj.getIntValue();
-                if (key == "/Columns")
-                {
-                    columns = val;
-                }
-                else if (key == "/Colors")
-                {
-                    colors = val;
-                }
-                else if (key == "/BitsPerComponent")
-                {
-                    bits_per_component = val;
-                }
-            }
-            else
-            {
-                filterable = false;
-            }
-        }
-        else if ((filter == "/Crypt") &&
-                 (((key == "/Type") || (key == "/Name")) &&
-                  (decode_obj.getKey("/Type").isNull() ||
-                   (decode_obj.getKey("/Type").isName() &&
-                    (decode_obj.getKey("/Type").getName() ==
-                     "/CryptFilterDecodeParms")))))
-        {
-            // we handle this in decryptStream
-        }
-        else
-        {
-            filterable = false;
-        }
-    }
-
-    return filterable;
-}
-
-bool
-QPDF_Stream::filterable(std::vector<std::string>& filters,
-                        bool& specialized_compression,
-                        bool& lossy_compression,
-			int& predictor, int& columns,
-                        int& colors, int& bits_per_component,
-			bool& early_code_change)
-{
-    if (filter_abbreviations.empty())
-    {
-	// The PDF specification provides these filter abbreviations
-	// for use in inline images, but according to table H.1 in the
-	// pre-ISO versions of the PDF specification, Adobe Reader
-	// also accepts them for stream filters.
-	filter_abbreviations"/AHx" = "/ASCIIHexDecode";
-	filter_abbreviations"/A85" = "/ASCII85Decode";
-	filter_abbreviations"/LZW" = "/LZWDecode";
-	filter_abbreviations"/Fl" = "/FlateDecode";
-	filter_abbreviations"/RL" = "/RunLengthDecode";
-	filter_abbreviations"/CCF" = "/CCITTFaxDecode";
-	filter_abbreviations"/DCT" = "/DCTDecode";
-    }
-
     // Check filters
 
     QPDFObjectHandle filter_obj = this->stream_dict.getKey("/Filter");
     bool filters_okay = true;
 
-    if (filter_obj.isNull())
-    {
-	// No filters
-    }
-    else if (filter_obj.isName())
-    {
-	// One filter
-	filters.push_back(filter_obj.getName());
-    }
-    else if (filter_obj.isArray())
-    {
-	// Potentially multiple filters
-	int n = filter_obj.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
-	    QPDFObjectHandle item = filter_obj.getArrayItem(i);
-	    if (item.isName())
-	    {
-		filters.push_back(item.getName());
-	    }
-	    else
-	    {
-		filters_okay = false;
-	    }
-	}
-    }
-    else
-    {
-	filters_okay = false;
+    std::vector<std::string> filter_names;
+
+    if (filter_obj.isNull()) {
+        // No filters
+    } else if (filter_obj.isName()) {
+        // One filter
+        filter_names.push_back(filter_obj.getName());
+    } else if (filter_obj.isArray()) {
+        // Potentially multiple filters
+        int n = filter_obj.getArrayNItems();
+        for (int i = 0; i < n; ++i) {
+            QPDFObjectHandle item = filter_obj.getArrayItem(i);
+            if (item.isName()) {
+                filter_names.push_back(item.getName());
+            } else {
+                filters_okay = false;
+            }
+        }
+    } else {
+        filters_okay = false;
     }
 
-    if (! filters_okay)
-    {
-	QTC::TC("qpdf", "QPDF_Stream invalid filter");
-	warn(QPDFExc(qpdf_e_damaged_pdf, qpdf->getFilename(),
-                     "", this->offset,
-                     "stream filter type is not name or array"));
+    if (!filters_okay) {
+        QTC::TC("qpdf", "QPDF_Stream invalid filter");
+        warn(
+            qpdf_e_damaged_pdf,
+            this->offset,
+            "stream filter type is not name or array");
         return false;
     }
 
     bool filterable = true;
 
-    for (std::vector<std::string>::iterator iter = filters.begin();
-	 iter != filters.end(); ++iter)
-    {
-	std::string& filter = *iter;
-
-	if (filter_abbreviations.count(filter))
-	{
-	    QTC::TC("qpdf", "QPDF_Stream expand filter abbreviation");
-	    filter = filter_abbreviationsfilter;
-	}
-
-        if (filter == "/RunLengthDecode")
-        {
-            specialized_compression = true;
+    for (auto& filter_name: filter_names) {
+        if (filter_abbreviations.count(filter_name)) {
+            QTC::TC("qpdf", "QPDF_Stream expand filter abbreviation");
+            filter_name = filter_abbreviationsfilter_name;
         }
-        else if (filter == "/DCTDecode")
-        {
-            specialized_compression = true;
-            lossy_compression = true;
+
+        auto ff = filter_factories.find(filter_name);
+        if (ff == filter_factories.end()) {
+            filterable = false;
+        } else {
+            filters.push_back((ff->second)());
         }
-	else if (! ((filter == "/Crypt") ||
-                    (filter == "/FlateDecode") ||
-                    (filter == "/LZWDecode") ||
-                    (filter == "/ASCII85Decode") ||
-                    (filter == "/ASCIIHexDecode")))
-	{
-	    filterable = false;
-	}
     }
 
-    if (! filterable)
-    {
+    if (!filterable) {
         return false;
     }
 
-    // `filters' now contains a list of filters to be applied in
-    // order.  See which ones we can support.
-
-    // Initialize values to their defaults as per the PDF spec
-    predictor = 1;
-    columns = 0;
-    colors = 1;
-    bits_per_component = 8;
-    early_code_change = true;
+    // filters now contains a list of filters to be applied in order.
+    // See which ones we can support.
 
     // See if we can support any decode parameters that are specified.
 
     QPDFObjectHandle decode_obj = this->stream_dict.getKey("/DecodeParms");
     std::vector<QPDFObjectHandle> decode_parms;
-    if (decode_obj.isArray())
-    {
-        for (int i = 0; i < decode_obj.getArrayNItems(); ++i)
-        {
+    if (decode_obj.isArray() && (decode_obj.getArrayNItems() == 0)) {
+        decode_obj = QPDFObjectHandle::newNull();
+    }
+    if (decode_obj.isArray()) {
+        for (int i = 0; i < decode_obj.getArrayNItems(); ++i) {
             decode_parms.push_back(decode_obj.getArrayItem(i));
         }
-    }
-    else
-    {
-        for (unsigned int i = 0; i < filters.size(); ++i)
-        {
+    } else {
+        for (unsigned int i = 0; i < filter_names.size(); ++i) {
             decode_parms.push_back(decode_obj);
         }
     }
@@ -409,359 +466,278 @@
     // Ignore /DecodeParms entirely if /Filters is empty.  At least
     // one case of a file whose /DecodeParms was  << >>  when
     // /Filters was empty has been seen in the wild.
-    if ((filters.size() != 0) && (decode_parms.size() != filters.size()))
-    {
-        warn(QPDFExc(qpdf_e_damaged_pdf, qpdf->getFilename(),
-                     "", this->offset,
-                     "stream /DecodeParms length is"
-                     " inconsistent with filters"));
+    if ((filters.size() != 0) && (decode_parms.size() != filters.size())) {
+        warn(
+            qpdf_e_damaged_pdf,
+            this->offset,
+            "stream /DecodeParms length is"
+            " inconsistent with filters");
         filterable = false;
     }
 
-    if (! filterable)
-    {
+    if (!filterable) {
         return false;
     }
 
-    for (unsigned int i = 0; i < filters.size(); ++i)
-    {
-        QPDFObjectHandle decode_item = decode_parms.at(i);
-        if (decode_item.isNull())
-        {
-            // okay
-        }
-        else if (decode_item.isDictionary())
-        {
-            if (! understandDecodeParams(
-                    filters.at(i), decode_item,
-                    predictor, columns, colors, bits_per_component,
-                    early_code_change))
-            {
-                filterable = false;
+    for (size_t i = 0; i < filters.size(); ++i) {
+        auto filter = filters.at(i);
+        auto decode_item = decode_parms.at(i);
+
+        if (filter->setDecodeParms(decode_item)) {
+            if (filter->isSpecializedCompression()) {
+                specialized_compression = true;
             }
-        }
-        else
-        {
+            if (filter->isLossyCompression()) {
+                specialized_compression = true;
+                lossy_compression = true;
+            }
+        } else {
             filterable = false;
         }
     }
 
-    if ((predictor > 1) && (columns == 0))
-    {
-	// invalid
-	filterable = false;
-    }
-
-    if (! filterable)
-    {
-	return false;
-    }
-
     return filterable;
 }
 
 bool
-QPDF_Stream::pipeStreamData(Pipeline* pipeline,
-                            unsigned long encode_flags,
-                            qpdf_stream_decode_level_e decode_level,
-                            bool suppress_warnings, bool will_retry)
-{
-    std::vector<std::string> filters;
-    int predictor = 1;
-    int columns = 0;
-    int colors = 1;
-    int bits_per_component = 8;
-    bool early_code_change = true;
+QPDF_Stream::pipeStreamData(
+    Pipeline* pipeline,
+    bool* filterp,
+    int encode_flags,
+    qpdf_stream_decode_level_e decode_level,
+    bool suppress_warnings,
+    bool will_retry)
+{
+    std::vector<std::shared_ptr<QPDFStreamFilter>> filters;
     bool specialized_compression = false;
     bool lossy_compression = false;
-    bool filter = (! ((encode_flags == 0) && (decode_level == qpdf_dl_none)));
-    if (filter)
-    {
-	filter = filterable(filters, specialized_compression, lossy_compression,
-                            predictor, columns,
-                            colors, bits_per_component,
-                            early_code_change);
-        if ((decode_level < qpdf_dl_all) && lossy_compression)
-        {
+    bool ignored;
+    if (filterp == nullptr) {
+        filterp = &ignored;
+    }
+    bool& filter = *filterp;
+    filter = (!((encode_flags == 0) && (decode_level == qpdf_dl_none)));
+    bool success = true;
+    if (filter) {
+        filter =
+            filterable(filters, specialized_compression, lossy_compression);
+        if ((decode_level < qpdf_dl_all) && lossy_compression) {
             filter = false;
         }
-        if ((decode_level < qpdf_dl_specialized) && specialized_compression)
-        {
+        if ((decode_level < qpdf_dl_specialized) && specialized_compression) {
             filter = false;
         }
-        QTC::TC("qpdf", "QPDF_Stream special filters",
-                (! filter) ? 0 :
-                lossy_compression ? 1 :
-                specialized_compression ? 2 :
-                3);
-    }
-
-    if (pipeline == 0)
-    {
-	QTC::TC("qpdf", "QPDF_Stream pipeStreamData with null pipeline");
-	return filter;
-    }
+        QTC::TC(
+            "qpdf",
+            "QPDF_Stream special filters",
+            (!filter)                     ? 0
+                : lossy_compression       ? 1
+                : specialized_compression ? 2
+                                          : 3);
+    }
+
+    if (pipeline == nullptr) {
+        QTC::TC("qpdf", "QPDF_Stream pipeStreamData with null pipeline");
+        // Return value is whether we can filter in this case.
+        return filter;
+    }
+
+    // Construct the pipeline in reverse order. Force pipelines we
+    // create to be deleted when this function finishes. Pipelines
+    // created by QPDFStreamFilter objects will be deleted by those
+    // objects.
+    std::vector<std::shared_ptr<Pipeline>> to_delete;
+
+    std::shared_ptr<ContentNormalizer> normalizer;
+    std::shared_ptr<Pipeline> new_pipeline;
+    if (filter) {
+        if (encode_flags & qpdf_ef_compress) {
+            new_pipeline = std::make_shared<Pl_Flate>(
+                "compress stream", pipeline, Pl_Flate::a_deflate);
+            to_delete.push_back(new_pipeline);
+            pipeline = new_pipeline.get();
+        }
 
-    // Construct the pipeline in reverse order.  Force pipelines we
-    // create to be deleted when this function finishes.
-    std::vector<PointerHolder<Pipeline> > to_delete;
+        if (encode_flags & qpdf_ef_normalize) {
+            normalizer = std::make_shared<ContentNormalizer>();
+            new_pipeline = std::make_shared<Pl_QPDFTokenizer>(
+                "normalizer", normalizer.get(), pipeline);
+            to_delete.push_back(new_pipeline);
+            pipeline = new_pipeline.get();
+        }
 
-    PointerHolder<ContentNormalizer> normalizer;
-    if (filter)
-    {
-	if (encode_flags & qpdf_ef_compress)
-	{
-	    pipeline = new Pl_Flate("compress stream", pipeline,
-				    Pl_Flate::a_deflate);
-	    to_delete.push_back(pipeline);
-	}
-
-	if (encode_flags & qpdf_ef_normalize)
-	{
-            normalizer = new ContentNormalizer();
-	    pipeline = new Pl_QPDFTokenizer(
-                "normalizer", normalizer.getPointer(), pipeline);
-	    to_delete.push_back(pipeline);
-	}
-
-        for (std::vector<PointerHolder<
-                 QPDFObjectHandle::TokenFilter> >::reverse_iterator iter =
-                 this->token_filters.rbegin();
-             iter != this->token_filters.rend(); ++iter)
-        {
-            pipeline = new Pl_QPDFTokenizer(
-                "token filter", (*iter).getPointer(), pipeline);
-            to_delete.push_back(pipeline);
+        for (auto iter = this->token_filters.rbegin();
+             iter != this->token_filters.rend();
+             ++iter) {
+            new_pipeline = std::make_shared<Pl_QPDFTokenizer>(
+                "token filter", (*iter).get(), pipeline);
+            to_delete.push_back(new_pipeline);
+            pipeline = new_pipeline.get();
         }
 
-	for (std::vector<std::string>::reverse_iterator iter = filters.rbegin();
-	     iter != filters.rend(); ++iter)
-	{
-	    std::string const& filter = *iter;
-
-            if ((filter == "/FlateDecode") || (filter == "/LZWDecode"))
-            {
-                if ((predictor >= 10) && (predictor <= 15))
-                {
-                    QTC::TC("qpdf", "QPDF_Stream PNG filter");
-                    pipeline = new Pl_PNGFilter(
-                        "png decode", pipeline, Pl_PNGFilter::a_decode,
-                        columns, colors, bits_per_component);
-                    to_delete.push_back(pipeline);
-                }
-                else if (predictor == 2)
-                {
-                    QTC::TC("qpdf", "QPDF_Stream TIFF predictor");
-                    pipeline = new Pl_TIFFPredictor(
-                        "tiff decode", pipeline, Pl_TIFFPredictor::a_decode,
-                        columns, colors, bits_per_component);
-                    to_delete.push_back(pipeline);
-                }
+        for (auto f_iter = filters.rbegin(); f_iter != filters.rend();
+             ++f_iter) {
+            auto decode_pipeline = (*f_iter)->getDecodePipeline(pipeline);
+            if (decode_pipeline) {
+                pipeline = decode_pipeline;
             }
-
-	    if (filter == "/Crypt")
-	    {
-		// Ignore -- handled by pipeStreamData
-	    }
-	    else if (filter == "/FlateDecode")
-	    {
-		pipeline = new Pl_Flate("stream inflate",
-					pipeline, Pl_Flate::a_inflate);
-		to_delete.push_back(pipeline);
-	    }
-	    else if (filter == "/ASCII85Decode")
-	    {
-		pipeline = new Pl_ASCII85Decoder("ascii85 decode", pipeline);
-		to_delete.push_back(pipeline);
-	    }
-	    else if (filter == "/ASCIIHexDecode")
-	    {
-		pipeline = new Pl_ASCIIHexDecoder("asciiHex decode", pipeline);
-		to_delete.push_back(pipeline);
-	    }
-	    else if (filter == "/LZWDecode")
-	    {
-		pipeline = new Pl_LZWDecoder("lzw decode", pipeline,
-					     early_code_change);
-		to_delete.push_back(pipeline);
-	    }
-	    else if (filter == "/RunLengthDecode")
-	    {
-		pipeline = new Pl_RunLength("runlength decode", pipeline,
-                                            Pl_RunLength::a_decode);
-		to_delete.push_back(pipeline);
-	    }
-	    else if (filter == "/DCTDecode")
-	    {
-		pipeline = new Pl_DCT("DCT decode", pipeline);
-		to_delete.push_back(pipeline);
-	    }
-	    else
-	    {
-		throw std::logic_error(
-		    "INTERNAL ERROR: QPDFStream: unknown filter "
-		    "encountered after check");
-	    }
-	}
+            Pl_Flate* flate = dynamic_cast<Pl_Flate*>(pipeline);
+            if (flate != nullptr) {
+                flate->setWarnCallback(this(char const* msg, int code) {
+                    warn(qpdf_e_damaged_pdf, this->offset, msg);
+                });
+            }
+        }
     }
 
-    if (this->stream_data.getPointer())
-    {
-	QTC::TC("qpdf", "QPDF_Stream pipe replaced stream data");
-	pipeline->write(this->stream_data->getBuffer(),
-			this->stream_data->getSize());
-	pipeline->finish();
-    }
-    else if (this->stream_provider.getPointer())
-    {
-	Pl_Count count("stream provider count", pipeline);
-	this->stream_provider->provideStreamData(
-	    this->objid, this->generation, &count);
-	qpdf_offset_t actual_length = count.getCount();
-	qpdf_offset_t desired_length = 0;
-        if (this->stream_dict.hasKey("/Length"))
-        {
-	    desired_length = this->stream_dict.getKey("/Length").getIntValue();
-            if (actual_length == desired_length)
-            {
-                QTC::TC("qpdf", "QPDF_Stream pipe use stream provider");
+    if (this->stream_data.get()) {
+        QTC::TC("qpdf", "QPDF_Stream pipe replaced stream data");
+        pipeline->write(
+            this->stream_data->getBuffer(), this->stream_data->getSize());
+        pipeline->finish();
+    } else if (this->stream_provider.get()) {
+        Pl_Count count("stream provider count", pipeline);
+        if (this->stream_provider->supportsRetry()) {
+            if (!this->stream_provider->provideStreamData(
+                    og, &count, suppress_warnings, will_retry)) {
+                filter = false;
+                success = false;
             }
-            else
-            {
+        } else {
+            this->stream_provider->provideStreamData(og, &count);
+        }
+        qpdf_offset_t actual_length = count.getCount();
+        qpdf_offset_t desired_length = 0;
+        if (success && this->stream_dict.hasKey("/Length")) {
+            desired_length = this->stream_dict.getKey("/Length").getIntValue();
+            if (actual_length == desired_length) {
+                QTC::TC("qpdf", "QPDF_Stream pipe use stream provider");
+            } else {
                 QTC::TC("qpdf", "QPDF_Stream provider length mismatch");
                 // This would be caused by programmer error on the
                 // part of a library user, not by invalid input data.
                 throw std::runtime_error(
-                    "stream data provider for " +
-                    QUtil::int_to_string(this->objid) + " " +
-                    QUtil::int_to_string(this->generation) +
-                    " provided " +
-                    QUtil::int_to_string(actual_length) +
+                    "stream data provider for " + og.unparse(' ') +
+                    " provided " + QUtil::int_to_string(actual_length) +
                     " bytes instead of expected " +
                     QUtil::int_to_string(desired_length) + " bytes");
             }
-        }
-        else
-        {
+        } else if (success) {
             QTC::TC("qpdf", "QPDF_Stream provider length not provided");
             this->stream_dict.replaceKey(
                 "/Length", QPDFObjectHandle::newInteger(actual_length));
         }
-    }
-    else if (this->offset == 0)
-    {
-	QTC::TC("qpdf", "QPDF_Stream pipe no stream data");
-	throw std::logic_error(
-	    "pipeStreamData called for stream with no data");
-    }
-    else
-    {
-	QTC::TC("qpdf", "QPDF_Stream pipe original stream data");
-	if (! QPDF::Pipe::pipeStreamData(this->qpdf, this->objid, this->generation,
-                                         this->offset, this->length,
-                                         this->stream_dict, pipeline,
-                                         suppress_warnings,
-                                         will_retry))
-        {
+    } else if (this->offset == 0) {
+        QTC::TC("qpdf", "QPDF_Stream pipe no stream data");
+        throw std::logic_error("pipeStreamData called for stream with no data");
+    } else {
+        QTC::TC("qpdf", "QPDF_Stream pipe original stream data");
+        if (!QPDF::Pipe::pipeStreamData(
+                this->qpdf,
+                og,
+                this->offset,
+                this->length,
+                this->stream_dict,
+                pipeline,
+                suppress_warnings,
+                will_retry)) {
             filter = false;
+            success = false;
         }
     }
 
-    if (filter &&
-        (! suppress_warnings) &&
-        normalizer.getPointer() &&
-        normalizer->anyBadTokens())
-    {
-        warn(QPDFExc(qpdf_e_damaged_pdf, qpdf->getFilename(),
-                     "", this->offset,
-                     "content normalization encountered bad tokens"));
-        if (normalizer->lastTokenWasBad())
-        {
+    if (filter && (!suppress_warnings) && normalizer.get() &&
+        normalizer->anyBadTokens()) {
+        warn(
+            qpdf_e_damaged_pdf,
+            this->offset,
+            "content normalization encountered bad tokens");
+        if (normalizer->lastTokenWasBad()) {
             QTC::TC("qpdf", "QPDF_Stream bad token at end during normalize");
-            warn(QPDFExc(qpdf_e_damaged_pdf, qpdf->getFilename(),
-                         "", this->offset,
-                         "normalized content ended with a bad token;"
-                         " you may be able to resolve this by"
-                         " coalescing content streams in combination"
-                         " with normalizing content. From the command"
-                         " line, specify --coalesce-contents"));
+            warn(
+                qpdf_e_damaged_pdf,
+                this->offset,
+                "normalized content ended with a bad token;"
+                " you may be able to resolve this by"
+                " coalescing content streams in combination"
+                " with normalizing content. From the command"
+                " line, specify --coalesce-contents");
         }
-        warn(QPDFExc(qpdf_e_damaged_pdf, qpdf->getFilename(),
-                     "", this->offset,
-                     "Resulting stream data may be corrupted but is"
-                     " may still useful for manual inspection."
-                     " For more information on this warning, search"
-                     " for content normalization in the manual."));
+        warn(
+            qpdf_e_damaged_pdf,
+            this->offset,
+            "Resulting stream data may be corrupted but is"
+            " may still useful for manual inspection."
+            " For more information on this warning, search"
+            " for content normalization in the manual.");
     }
 
-    return filter;
+    return success;
 }
 
 void
-QPDF_Stream::replaceStreamData(PointerHolder<Buffer> data,
-			       QPDFObjectHandle const& filter,
-			       QPDFObjectHandle const& decode_parms)
+QPDF_Stream::replaceStreamData(
+    std::shared_ptr<Buffer> data,
+    QPDFObjectHandle const& filter,
+    QPDFObjectHandle const& decode_parms)
 {
     this->stream_data = data;
-    this->stream_provider = 0;
+    this->stream_provider = nullptr;
     replaceFilterData(filter, decode_parms, data->getSize());
 }
 
 void
 QPDF_Stream::replaceStreamData(
-    PointerHolder<QPDFObjectHandle::StreamDataProvider> provider,
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> provider,
     QPDFObjectHandle const& filter,
     QPDFObjectHandle const& decode_parms)
 {
     this->stream_provider = provider;
-    this->stream_data = 0;
+    this->stream_data = nullptr;
     replaceFilterData(filter, decode_parms, 0);
 }
 
 void
 QPDF_Stream::addTokenFilter(
-    PointerHolder<QPDFObjectHandle::TokenFilter> token_filter)
+    std::shared_ptr<QPDFObjectHandle::TokenFilter> token_filter)
 {
     this->token_filters.push_back(token_filter);
 }
 
 void
-QPDF_Stream::replaceFilterData(QPDFObjectHandle const& filter,
-			       QPDFObjectHandle const& decode_parms,
-			       size_t length)
+QPDF_Stream::replaceFilterData(
+    QPDFObjectHandle const& filter,
+    QPDFObjectHandle const& decode_parms,
+    size_t length)
 {
-    this->stream_dict.replaceOrRemoveKey("/Filter", filter);
-    this->stream_dict.replaceOrRemoveKey("/DecodeParms", decode_parms);
-    if (length == 0)
-    {
+    if (filter.isInitialized()) {
+        this->stream_dict.replaceKey("/Filter", filter);
+    }
+    if (decode_parms.isInitialized()) {
+        this->stream_dict.replaceKey("/DecodeParms", decode_parms);
+    }
+    if (length == 0) {
         QTC::TC("qpdf", "QPDF_Stream unknown stream length");
         this->stream_dict.removeKey("/Length");
-    }
-    else
-    {
+    } else {
         this->stream_dict.replaceKey(
-            "/Length", QPDFObjectHandle::newInteger(length));
+            "/Length",
+            QPDFObjectHandle::newInteger(QIntC::to_longlong(length)));
     }
 }
 
 void
-QPDF_Stream::replaceDict(QPDFObjectHandle new_dict)
+QPDF_Stream::replaceDict(QPDFObjectHandle const& new_dict)
 {
     this->stream_dict = new_dict;
     setDictDescription();
-    QPDFObjectHandle length_obj = new_dict.getKey("/Length");
-    if (length_obj.isInteger())
-    {
-        this->length = length_obj.getIntValue();
-    }
-    else
-    {
-        this->length = 0;
-    }
 }
 
 void
-QPDF_Stream::warn(QPDFExc const& e)
+QPDF_Stream::warn(
+    qpdf_error_code_e error_code,
+    qpdf_offset_t offset,
+    std::string const& message)
 {
-    QPDF::Warner::warn(this->qpdf, e);
+    this->qpdf->warn(error_code, "", offset, message);
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_String.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_String.cc Changed

@@ -1,7 +1,6 @@
 #include <qpdf/QPDF_String.hh>
 
 #include <qpdf/QUtil.hh>
-#include <qpdf/QTC.hh>
 
 // DO NOT USE ctype -- it is locale dependent for some things, and
 // it's not worth the risk of including it in case it may accidentally
@@ -9,28 +8,44 @@
 #include <string.h>
 
 // See above about ctype.
-static bool is_ascii_printable(unsigned char ch)
+static bool
+is_ascii_printable(char ch)
 {
     return ((ch >= 32) && (ch <= 126));
 }
-static bool is_iso_latin1_printable(unsigned char ch)
+static bool
+is_iso_latin1_printable(char ch)
 {
-    return (((ch >= 32) && (ch <= 126)) || (ch >= 160));
+    return (
+        ((ch >= 32) && (ch <= 126)) || (static_cast<unsigned char>(ch) >= 160));
 }
 
 QPDF_String::QPDF_String(std::string const& val) :
+    QPDFValue(::ot_string, "string"),
     val(val)
 {
 }
 
-QPDF_String::~QPDF_String()
+std::shared_ptr<QPDFObject>
+QPDF_String::create(std::string const& val)
 {
+    return do_create(new QPDF_String(val));
 }
 
-QPDF_String*
-QPDF_String::new_utf16(std::string const& utf8_val)
+std::shared_ptr<QPDFObject>
+QPDF_String::create_utf16(std::string const& utf8_val)
 {
-    return new QPDF_String(QUtil::utf8_to_utf16(utf8_val));
+    std::string result;
+    if (!QUtil::utf8_to_pdf_doc(utf8_val, result, '?')) {
+        result = QUtil::utf8_to_utf16(utf8_val);
+    }
+    return do_create(new QPDF_String(result));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_String::shallowCopy()
+{
+    return create(val);
 }
 
 std::string
@@ -40,125 +55,117 @@
 }
 
 JSON
-QPDF_String::getJSON()
-{
-    return JSON::makeString(getUTF8Val());
-}
-
-QPDFObject::object_type_e
-QPDF_String::getTypeCode() const
+QPDF_String::getJSON(int json_version)
 {
-    return QPDFObject::ot_string;
+    if (json_version == 1) {
+        return JSON::makeString(getUTF8Val());
+    }
+    // See if we can unambiguously represent as Unicode.
+    bool is_unicode = false;
+    std::string result;
+    std::string candidate = getUTF8Val();
+    if (QUtil::is_utf16(this->val) || QUtil::is_explicit_utf8(this->val)) {
+        is_unicode = true;
+        result = candidate;
+    } else if (!useHexString()) {
+        std::string test;
+        if (QUtil::utf8_to_pdf_doc(candidate, test, '?') &&
+            (test == this->val)) {
+            // This is a PDF-doc string that can be losslessly encoded
+            // as Unicode.
+            is_unicode = true;
+            result = candidate;
+        }
+    }
+    if (is_unicode) {
+        result = "u:" + result;
+    } else {
+        result = "b:" + QUtil::hex_encode(this->val);
+    }
+    return JSON::makeString(result);
 }
 
-char const*
-QPDF_String::getTypeName() const
+bool
+QPDF_String::useHexString() const
 {
-    return "string";
+    // Heuristic: use the hexadecimal representation of a string if
+    // there are any non-printable (in PDF Doc encoding) characters or
+    // if too large of a proportion of the string consists of
+    // non-ASCII characters.
+    bool nonprintable = false;
+    unsigned int non_ascii = 0;
+    for (unsigned int i = 0; i < this->val.length(); ++i) {
+        char ch = this->val.at(i);
+        if ((ch == 0) ||
+            (!(is_ascii_printable(ch) || strchr("\n\r\t\b\f", ch)))) {
+            if ((ch >= 0) && (ch < 24)) {
+                nonprintable = true;
+            }
+            ++non_ascii;
+        }
+    }
+    return (nonprintable || (5 * non_ascii > val.length()));
 }
 
 std::string
 QPDF_String::unparse(bool force_binary)
 {
-    bool use_hexstring = force_binary;
-    if (! use_hexstring)
-    {
-	unsigned int nonprintable = 0;
-	int consecutive_printable = 0;
-	for (unsigned int i = 0; i < this->val.length(); ++i)
-	{
-	    char ch = this->val.at(i);
-	    // Note: do not use locale to determine printability.  The
-	    // PDF specification accepts arbitrary binary data.  Some
-	    // locales imply multibyte characters.  We'll consider
-	    // something printable if it is printable in 7-bit ASCII.
-	    // We'll code this manually rather than being rude and
-	    // setting locale.
-	    if ((ch == 0) || (! (is_ascii_printable(ch) ||
-				 strchr("\n\r\t\b\f", ch))))
-	    {
-		++nonprintable;
-		consecutive_printable = 0;
-	    }
-	    else
-	    {
-		if (++consecutive_printable > 5)
-		{
-		    // If there are more than 5 consecutive printable
-		    // characters, I want to see them as such.
-		    nonprintable = 0;
-		    break;
-		}
-	    }
-	}
-
-	// Use hex notation if more than 20% of the characters are not
-	// printable in plain ASCII.
-	if (5 * nonprintable > val.length())
-	{
-	    use_hexstring = true;
-	}
-    }
+    bool use_hexstring = force_binary || useHexString();
     std::string result;
-    if (use_hexstring)
-    {
-	result += "<" + QUtil::hex_encode(this->val) + ">";
-    }
-    else
-    {
-	result += "(";
-	for (unsigned int i = 0; i < this->val.length(); ++i)
-	{
-	    char ch = this->val.at(i);
-	    switch (ch)
-	    {
-	      case '\n':
-		result += "\\n";
-		break;
-
-	      case '\r':
-		result += "\\r";
-		break;
-
-	      case '\t':
-		result += "\\t";
-		break;
-
-	      case '\b':
-		result += "\\b";
-		break;
-
-	      case '\f':
-		result += "\\f";
-		break;
-
-	      case '(':
-		result += "\$";
-		break;
-
-	      case ')':
-		result += "\$";
-		break;
-
-	      case '\\':
-		result += "\\\\";
-		break;
-
-	      default:
-		if (is_iso_latin1_printable(ch))
-		{
-		    result += this->val.at(i);
-		}
-		else
-		{
-		    result += "\\" + QUtil::int_to_string_base(
-                        static_cast<int>(static_cast<unsigned char>(ch)),
-                        8, 3);
-		}
-		break;
-	    }
-	}
-	result += ")";
+    if (use_hexstring) {
+        result += "<" + QUtil::hex_encode(this->val) + ">";
+    } else {
+        result += "(";
+        for (unsigned int i = 0; i < this->val.length(); ++i) {
+            char ch = this->val.at(i);
+            switch (ch) {
+            case '\n':
+                result += "\\n";
+                break;
+
+            case '\r':
+                result += "\\r";
+                break;
+
+            case '\t':
+                result += "\\t";
+                break;
+
+            case '\b':
+                result += "\\b";
+                break;
+
+            case '\f':
+                result += "\\f";
+                break;
+
+            case '(':
+                result += "\$";
+                break;
+
+            case ')':
+                result += "\$";
+                break;
+
+            case '\\':
+                result += "\\\\";
+                break;
+
+            default:
+                if (is_iso_latin1_printable(ch)) {
+                    result += this->val.at(i);
+                } else {
+                    result +=
+                        "\\" +
+                        QUtil::int_to_string_base(
+                            static_cast<int>(static_cast<unsigned char>(ch)),
+                            8,
+                            3);
+                }
+                break;
+            }
+        }
+        result += ")";
     }
 
     return result;
@@ -173,12 +180,13 @@
 std::string
 QPDF_String::getUTF8Val() const
 {
-    if (QUtil::is_utf16(this->val))
-    {
+    if (QUtil::is_utf16(this->val)) {
         return QUtil::utf16_to_utf8(this->val);
-    }
-    else
-    {
+    } else if (QUtil::is_explicit_utf8(this->val)) {
+        // PDF 2.0 allows UTF-8 strings when explicitly prefixed with
+        // the three-byte representation of U+FEFF.
+        return this->val.substr(3);
+    } else {
         return QUtil::pdf_doc_to_utf8(this->val);
     }
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_Unresolved.cc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_encryption.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_encryption.cc Changed

@@ -1,29 +1,28 @@
 // This file implements methods from the QPDF class that involve
 // encryption.
 
+#include <qpdf/assert_debug.h>
+
 #include <qpdf/QPDF.hh>
 
 #include <qpdf/QPDFExc.hh>
 
-#include <qpdf/QTC.hh>
-#include <qpdf/QUtil.hh>
-#include <qpdf/Pl_RC4.hh>
+#include <qpdf/MD5.hh>
 #include <qpdf/Pl_AES_PDF.hh>
 #include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_RC4.hh>
 #include <qpdf/Pl_SHA2.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 #include <qpdf/RC4.hh>
-#include <qpdf/MD5.hh>
 
 #include <algorithm>
-#include <assert.h>
 #include <string.h>
 
 static unsigned char const padding_string = {
-    0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41,
-    0x64, 0x00, 0x4e, 0x56, 0xff, 0xfa, 0x01, 0x08,
-    0x2e, 0x2e, 0x00, 0xb6, 0xd0, 0x68, 0x3e, 0x80,
-    0x2f, 0x0c, 0xa9, 0xfe, 0x64, 0x53, 0x69, 0x7a
-};
+    0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41, 0x64, 0x00, 0x4e,
+    0x56, 0xff, 0xfa, 0x01, 0x08, 0x2e, 0x2e, 0x00, 0xb6, 0xd0, 0x68,
+    0x3e, 0x80, 0x2f, 0x0c, 0xa9, 0xfe, 0x64, 0x53, 0x69, 0x7a};
 
 static unsigned int const key_bytes = 32;
 
@@ -130,9 +129,9 @@
 static void
 pad_or_truncate_password_V4(std::string const& password, char k1key_bytes)
 {
-    int password_bytes = std::min(static_cast<size_t>(key_bytes),
-                                  password.length());
-    int pad_bytes = key_bytes - password_bytes;
+    size_t password_bytes =
+        std::min(QIntC::to_size(key_bytes), password.length());
+    size_t pad_bytes = key_bytes - password_bytes;
     memcpy(k1, password.c_str(), password_bytes);
     memcpy(k1 + password_bytes, padding_string, pad_bytes);
 }
@@ -145,22 +144,18 @@
     // recovery of user passwords which is done in the test suite.
     char const* cstr = user_password.c_str();
     size_t len = user_password.length();
-    if (len < key_bytes)
-    {
-	return;
+    if (len < key_bytes) {
+        return;
     }
 
     char const* p1 = cstr;
-    char const* p2 = 0;
-    while ((p2 = strchr(p1, '\x28')) != 0)
-    {
-	if (memcmp(p2, padding_string, len - (p2 - cstr)) == 0)
-	{
-	    user_password = user_password.substr(0, p2 - cstr);
-	    return;
-	}
-        else
-        {
+    char const* p2 = nullptr;
+    while ((p2 = strchr(p1, '\x28')) != nullptr) {
+        size_t idx = toS(p2 - cstr);
+        if (memcmp(p2, padding_string, len - idx) == 0) {
+            user_password = user_password.substr(0, idx);
+            return;
+        } else {
             QTC::TC("qpdf", "QPDF_encryption skip 0x28");
             p1 = p2 + 1;
         }
@@ -187,100 +182,94 @@
 {
     md5.digest(digest);
 
-    for (int i = 0; i < iterations; ++i)
-    {
-	MD5 m;
-	m.encodeDataIncrementally(reinterpret_cast<char*>(digest),
-                                  key_len);
-	m.digest(digest);
+    for (int i = 0; i < iterations; ++i) {
+        MD5 m;
+        m.encodeDataIncrementally(
+            reinterpret_cast<char*>(digest), QIntC::to_size(key_len));
+        m.digest(digest);
     }
 }
 
-
 static void
-iterate_rc4(unsigned char* data, int data_len,
-	    unsigned char* okey, int key_len,
-	    int iterations, bool reverse)
-{
-    unsigned char* key = new unsigned charkey_len;
-    for (int i = 0; i < iterations; ++i)
-    {
-	int const xor_value = (reverse ? iterations - 1 - i : i);
-	for (int j = 0; j < key_len; ++j)
-	{
-	    keyj = okeyj ^ xor_value;
-	}
-	RC4 rc4(key, key_len);
-	rc4.process(data, data_len);
+iterate_rc4(
+    unsigned char* data,
+    size_t data_len,
+    unsigned char* okey,
+    int key_len,
+    int iterations,
+    bool reverse)
+{
+    auto key_ph = std::make_unique<unsigned char>(QIntC::to_size(key_len));
+    unsigned char* key = key_ph.get();
+    for (int i = 0; i < iterations; ++i) {
+        int const xor_value = (reverse ? iterations - 1 - i : i);
+        for (int j = 0; j < key_len; ++j) {
+            keyj = static_cast<unsigned char>(okeyj ^ xor_value);
+        }
+        RC4 rc4(key, QIntC::to_int(key_len));
+        rc4.process(data, data_len, data);
     }
-    delete  key;
 }
 
 static std::string
-process_with_aes(std::string const& key,
-                 bool encrypt,
-                 std::string const& data,
-                 size_t outlength = 0,
-                 unsigned int repetitions = 1,
-                 unsigned char const* iv = 0,
-                 size_t iv_length = 0)
+process_with_aes(
+    std::string const& key,
+    bool encrypt,
+    std::string const& data,
+    size_t outlength = 0,
+    unsigned int repetitions = 1,
+    unsigned char const* iv = nullptr,
+    size_t iv_length = 0)
 {
     Pl_Buffer buffer("buffer");
-    Pl_AES_PDF aes("aes", &buffer, encrypt,
-                   QUtil::unsigned_char_pointer(key),
-                   key.length());
-    if (iv)
-    {
+    Pl_AES_PDF aes(
+        "aes",
+        &buffer,
+        encrypt,
+        QUtil::unsigned_char_pointer(key),
+        QIntC::to_uint(key.length()));
+    if (iv) {
         aes.setIV(iv, iv_length);
-    }
-    else
-    {
+    } else {
         aes.useZeroIV();
     }
     aes.disablePadding();
-    for (unsigned int i = 0; i < repetitions; ++i)
-    {
-        aes.write(QUtil::unsigned_char_pointer(data), data.length());
+    for (unsigned int i = 0; i < repetitions; ++i) {
+        aes.writeString(data);
     }
     aes.finish();
-    PointerHolder<Buffer> bufp = buffer.getBuffer();
-    if (outlength == 0)
-    {
+    auto bufp = buffer.getBufferSharedPointer();
+    if (outlength == 0) {
         outlength = bufp->getSize();
-    }
-    else
-    {
+    } else {
         outlength = std::min(outlength, bufp->getSize());
     }
     return std::string(reinterpret_cast<char*>(bufp->getBuffer()), outlength);
 }
 
 static std::string
-hash_V5(std::string const& password,
-        std::string const& salt,
-        std::string const& udata,
-        QPDF::EncryptionData const& data)
+hash_V5(
+    std::string const& password,
+    std::string const& salt,
+    std::string const& udata,
+    QPDF::EncryptionData const& data)
 {
     Pl_SHA2 hash(256);
-    hash.write(QUtil::unsigned_char_pointer(password), password.length());
-    hash.write(QUtil::unsigned_char_pointer(salt), salt.length());
-    hash.write(QUtil::unsigned_char_pointer(udata), udata.length());
+    hash.writeString(password);
+    hash.writeString(salt);
+    hash.writeString(udata);
     hash.finish();
     std::string K = hash.getRawDigest();
 
     std::string result;
-    if (data.getR() < 6)
-    {
+    if (data.getR() < 6) {
         result = K;
-    }
-    else
-    {
+    } else {
         // Algorithm 2.B from ISO 32000-1 chapter 7: Computing a hash
 
         int round_number = 0;
         bool done = false;
-        while (! done)
-        {
+        while (!done) {
             // The hash algorithm has us setting K initially to the R5
             // value and then repeating a series of steps 64 times
             // before starting with the termination case testing.  The
@@ -300,10 +289,15 @@
 
             ++round_number;
             std::string K1 = password + K + udata;
-            assert(K.length() >= 32);
+            qpdf_assert_debug(K.length() >= 32);
             std::string E = process_with_aes(
-                K.substr(0, 16), true, K1, 0, 64,
-                QUtil::unsigned_char_pointer(K.substr(16, 16)), 16);
+                K.substr(0, 16),
+                true,
+                K1,
+                0,
+                64,
+                QUtil::unsigned_char_pointer(K.substr(16, 16)),
+                16);
 
             // E_mod_3 is supposed to be mod 3 of the first 16 bytes
             // of E taken as as a (128-bit) big-endian number.  Since
@@ -311,25 +305,20 @@
             // and since 256 mod n is 1, we can just take the sums of
             // the the mod 3s of each byte to get the same result.
             int E_mod_3 = 0;
-            for (unsigned int i = 0; i < 16; ++i)
-            {
+            for (unsigned int i = 0; i < 16; ++i) {
                 E_mod_3 += static_cast<unsigned char>(E.at(i));
             }
             E_mod_3 %= 3;
-            int next_hash = ((E_mod_3 == 0) ? 256 :
-                             (E_mod_3 == 1) ? 384 :
-                             512);
-            Pl_SHA2 hash(next_hash);
-            hash.write(QUtil::unsigned_char_pointer(E), E.length());
-            hash.finish();
-            K = hash.getRawDigest();
-
-            if (round_number >= 64)
-            {
+            int next_hash = ((E_mod_3 == 0) ? 256 : (E_mod_3 == 1) ? 384 : 512);
+            Pl_SHA2 sha2(next_hash);
+            sha2.writeString(E);
+            sha2.finish();
+            K = sha2.getRawDigest();
+
+            if (round_number >= 64) {
                 unsigned int ch = static_cast<unsigned char>(*(E.rbegin()));
 
-                if (ch <= static_cast<unsigned int>(round_number - 32))
-                {
+                if (ch <= QIntC::to_uint(round_number - 32)) {
                     done = true;
                 }
             }
@@ -340,64 +329,62 @@
     return result;
 }
 
-static
-void pad_short_parameter(std::string& param, unsigned int max_len)
+static void
+pad_short_parameter(std::string& param, size_t max_len)
 {
-    if (param.length() < max_len)
-    {
+    if (param.length() < max_len) {
         QTC::TC("qpdf", "QPDF_encryption pad short parameter");
         param.append(max_len - param.length(), '\0');
     }
 }
 
 std::string
-QPDF::compute_data_key(std::string const& encryption_key,
-		       int objid, int generation, bool use_aes,
-                       int encryption_V, int encryption_R)
+QPDF::compute_data_key(
+    std::string const& encryption_key,
+    int objid,
+    int generation,
+    bool use_aes,
+    int encryption_V,
+    int encryption_R)
 {
     // Algorithm 3.1 from the PDF 1.7 Reference Manual
 
     std::string result = encryption_key;
 
-    if (encryption_V >= 5)
-    {
+    if (encryption_V >= 5) {
         // Algorithm 3.1a (PDF 1.7 extension level 3): just use
         // encryption key straight.
         return result;
     }
 
     // Append low three bytes of object ID and low two bytes of generation
-    result += static_cast<char>(objid & 0xff);
-    result += static_cast<char>((objid >> 8) & 0xff);
-    result += static_cast<char>((objid >> 16) & 0xff);
-    result += static_cast<char>(generation & 0xff);
-    result += static_cast<char>((generation >> 8) & 0xff);
-    if (use_aes)
-    {
-	result += "sAlT";
+    result.append(1, static_cast<char>(objid & 0xff));
+    result.append(1, static_cast<char>((objid >> 8) & 0xff));
+    result.append(1, static_cast<char>((objid >> 16) & 0xff));
+    result.append(1, static_cast<char>(generation & 0xff));
+    result.append(1, static_cast<char>((generation >> 8) & 0xff));
+    if (use_aes) {
+        result += "sAlT";
     }
 
     MD5 md5;
     md5.encodeDataIncrementally(result.c_str(), result.length());
     MD5::Digest digest;
     md5.digest(digest);
-    return std::string(reinterpret_cast<char*>(digest),
-		       std::min(result.length(), static_cast<size_t>(16)));
+    return std::string(
+        reinterpret_cast<char*>(digest), std::min(result.length(), toS(16)));
 }
 
 std::string
 QPDF::compute_encryption_key(
     std::string const& password, EncryptionData const& data)
 {
-    if (data.getV() >= 5)
-    {
+    if (data.getV() >= 5) {
         // For V >= 5, the encryption key is generated and stored in
         // the file, encrypted separately with both user and owner
         // passwords.
         return recover_encryption_key_with_password(password, data);
-    }
-    else
-    {
+    } else {
         // For V < 5, the encryption key is derived from the user
         // password.
         return compute_encryption_key_from_password(password, data);
@@ -419,7 +406,7 @@
 
     MD5 md5;
     md5.encodeDataIncrementally(
-	pad_or_truncate_password_V4(password).c_str(), key_bytes);
+        pad_or_truncate_password_V4(password).c_str(), key_bytes);
     md5.encodeDataIncrementally(data.getO().c_str(), key_bytes);
     char pbytes4;
     int P = data.getP();
@@ -428,51 +415,49 @@
     pbytes2 = static_cast<char>((P >> 16) & 0xff);
     pbytes3 = static_cast<char>((P >> 24) & 0xff);
     md5.encodeDataIncrementally(pbytes, 4);
-    md5.encodeDataIncrementally(data.getId1().c_str(),
-                                data.getId1().length());
-    if ((data.getR() >= 4) && (! data.getEncryptMetadata()))
-    {
-	char bytes4;
-	memset(bytes, 0xff, 4);
-	md5.encodeDataIncrementally(bytes, 4);
+    md5.encodeDataIncrementally(data.getId1().c_str(), data.getId1().length());
+    if ((data.getR() >= 4) && (!data.getEncryptMetadata())) {
+        char bytes4;
+        memset(bytes, 0xff, 4);
+        md5.encodeDataIncrementally(bytes, 4);
     }
     MD5::Digest digest;
-    int key_len = std::min(static_cast<int>(sizeof(digest)),
-                           data.getLengthBytes());
+    int key_len =
+        std::min(QIntC::to_int(sizeof(digest)), data.getLengthBytes());
     iterate_md5_digest(md5, digest, ((data.getR() >= 3) ? 50 : 0), key_len);
-    return std::string(reinterpret_cast<char*>(digest), key_len);
+    return std::string(
+        reinterpret_cast<char*>(digest), QIntC::to_size(key_len));
 }
 
 static void
-compute_O_rc4_key(std::string const& user_password,
-		  std::string const& owner_password,
-		  QPDF::EncryptionData const& data,
-		  unsigned char keyOU_key_bytes_V4)
-{
-    if (data.getV() >= 5)
-    {
-	throw std::logic_error(
-	    "compute_O_rc4_key called for file with V >= 5");
+compute_O_rc4_key(
+    std::string const& user_password,
+    std::string const& owner_password,
+    QPDF::EncryptionData const& data,
+    unsigned char keyOU_key_bytes_V4)
+{
+    if (data.getV() >= 5) {
+        throw std::logic_error("compute_O_rc4_key called for file with V >= 5");
     }
     std::string password = owner_password;
-    if (password.empty())
-    {
-	password = user_password;
+    if (password.empty()) {
+        password = user_password;
     }
     MD5 md5;
     md5.encodeDataIncrementally(
-	pad_or_truncate_password_V4(password).c_str(), key_bytes);
+        pad_or_truncate_password_V4(password).c_str(), key_bytes);
     MD5::Digest digest;
-    int key_len = std::min(static_cast<int>(sizeof(digest)),
-                           data.getLengthBytes());
+    int key_len =
+        std::min(QIntC::to_int(sizeof(digest)), data.getLengthBytes());
     iterate_md5_digest(md5, digest, ((data.getR() >= 3) ? 50 : 0), key_len);
     memcpy(key, digest, OU_key_bytes_V4);
 }
 
 static std::string
-compute_O_value(std::string const& user_password,
-		std::string const& owner_password,
-		QPDF::EncryptionData const& data)
+compute_O_value(
+    std::string const& user_password,
+    std::string const& owner_password,
+    QPDF::EncryptionData const& data)
 {
     // Algorithm 3.3 from the PDF 1.7 Reference Manual
 
@@ -482,87 +467,93 @@
     char upasskey_bytes;
     pad_or_truncate_password_V4(user_password, upass);
     std::string k1(reinterpret_cast<char*>(O_key), OU_key_bytes_V4);
-    pad_short_parameter(k1, data.getLengthBytes());
-    iterate_rc4(QUtil::unsigned_char_pointer(upass), key_bytes,
-		O_key, data.getLengthBytes(),
-                (data.getR() >= 3) ? 20 : 1, false);
+    pad_short_parameter(k1, QIntC::to_size(data.getLengthBytes()));
+    iterate_rc4(
+        QUtil::unsigned_char_pointer(upass),
+        key_bytes,
+        O_key,
+        data.getLengthBytes(),
+        (data.getR() >= 3) ? 20 : 1,
+        false);
     return std::string(upass, key_bytes);
 }
 
-static
-std::string
-compute_U_value_R2(std::string const& user_password,
-		   QPDF::EncryptionData const& data)
+static std::string
+compute_U_value_R2(
+    std::string const& user_password, QPDF::EncryptionData const& data)
 {
     // Algorithm 3.4 from the PDF 1.7 Reference Manual
 
     std::string k1 = QPDF::compute_encryption_key(user_password, data);
     char udatakey_bytes;
     pad_or_truncate_password_V4("", udata);
-    pad_short_parameter(k1, data.getLengthBytes());
-    iterate_rc4(QUtil::unsigned_char_pointer(udata), key_bytes,
-		QUtil::unsigned_char_pointer(k1),
-                data.getLengthBytes(), 1, false);
+    pad_short_parameter(k1, QIntC::to_size(data.getLengthBytes()));
+    iterate_rc4(
+        QUtil::unsigned_char_pointer(udata),
+        key_bytes,
+        QUtil::unsigned_char_pointer(k1),
+        data.getLengthBytes(),
+        1,
+        false);
     return std::string(udata, key_bytes);
 }
 
-static
-std::string
-compute_U_value_R3(std::string const& user_password,
-		   QPDF::EncryptionData const& data)
+static std::string
+compute_U_value_R3(
+    std::string const& user_password, QPDF::EncryptionData const& data)
 {
     // Algorithm 3.5 from the PDF 1.7 Reference Manual
 
     std::string k1 = QPDF::compute_encryption_key(user_password, data);
     MD5 md5;
     md5.encodeDataIncrementally(
-	pad_or_truncate_password_V4("").c_str(), key_bytes);
-    md5.encodeDataIncrementally(data.getId1().c_str(),
-                                data.getId1().length());
+        pad_or_truncate_password_V4("").c_str(), key_bytes);
+    md5.encodeDataIncrementally(data.getId1().c_str(), data.getId1().length());
     MD5::Digest digest;
     md5.digest(digest);
-    pad_short_parameter(k1, data.getLengthBytes());
-    iterate_rc4(digest, sizeof(MD5::Digest),
-		QUtil::unsigned_char_pointer(k1),
-                data.getLengthBytes(), 20, false);
+    pad_short_parameter(k1, QIntC::to_size(data.getLengthBytes()));
+    iterate_rc4(
+        digest,
+        sizeof(MD5::Digest),
+        QUtil::unsigned_char_pointer(k1),
+        data.getLengthBytes(),
+        20,
+        false);
     char resultkey_bytes;
     memcpy(result, digest, sizeof(MD5::Digest));
     // pad with arbitrary data -- make it consistent for the sake of
     // testing
-    for (unsigned int i = sizeof(MD5::Digest); i < key_bytes; ++i)
-    {
-	resulti = static_cast<char>((i * i) % 0xff);
+    for (unsigned int i = sizeof(MD5::Digest); i < key_bytes; ++i) {
+        resulti = static_cast<char>((i * i) % 0xff);
     }
     return std::string(result, key_bytes);
 }
 
 static std::string
-compute_U_value(std::string const& user_password,
-		QPDF::EncryptionData const& data)
+compute_U_value(
+    std::string const& user_password, QPDF::EncryptionData const& data)
 {
-    if (data.getR() >= 3)
-    {
-	return compute_U_value_R3(user_password, data);
+    if (data.getR() >= 3) {
+        return compute_U_value_R3(user_password, data);
     }
 
     return compute_U_value_R2(user_password, data);
 }
 
 static bool
-check_user_password_V4(std::string const& user_password,
-                       QPDF::EncryptionData const& data)
+check_user_password_V4(
+    std::string const& user_password, QPDF::EncryptionData const& data)
 {
     // Algorithm 3.6 from the PDF 1.7 Reference Manual
 
     std::string u_value = compute_U_value(user_password, data);
-    int to_compare = ((data.getR() >= 3) ? sizeof(MD5::Digest)
-                      : key_bytes);
+    size_t to_compare = ((data.getR() >= 3) ? sizeof(MD5::Digest) : key_bytes);
     return (memcmp(data.getU().c_str(), u_value.c_str(), to_compare) == 0);
 }
 
 static bool
-check_user_password_V5(std::string const& user_password,
-                       QPDF::EncryptionData const& data)
+check_user_password_V5(
+    std::string const& user_password, QPDF::EncryptionData const& data)
 {
     // Algorithm 3.11 from the PDF 1.7 extension level 3
 
@@ -573,23 +564,21 @@
 }
 
 static bool
-check_user_password(std::string const& user_password,
-		    QPDF::EncryptionData const& data)
+check_user_password(
+    std::string const& user_password, QPDF::EncryptionData const& data)
 {
-    if (data.getV() < 5)
-    {
+    if (data.getV() < 5) {
         return check_user_password_V4(user_password, data);
-    }
-    else
-    {
+    } else {
         return check_user_password_V5(user_password, data);
     }
 }
 
 static bool
-check_owner_password_V4(std::string& user_password,
-                        std::string const& owner_password,
-                        QPDF::EncryptionData const& data)
+check_owner_password_V4(
+    std::string& user_password,
+    std::string const& owner_password,
+    QPDF::EncryptionData const& data)
 {
     // Algorithm 3.7 from the PDF 1.7 Reference Manual
 
@@ -598,15 +587,18 @@
     unsigned char O_datakey_bytes;
     memcpy(O_data, QUtil::unsigned_char_pointer(data.getO()), key_bytes);
     std::string k1(reinterpret_cast<char*>(key), OU_key_bytes_V4);
-    pad_short_parameter(k1, data.getLengthBytes());
-    iterate_rc4(O_data, key_bytes, QUtil::unsigned_char_pointer(k1),
-                data.getLengthBytes(),
-                (data.getR() >= 3) ? 20 : 1, true);
+    pad_short_parameter(k1, QIntC::to_size(data.getLengthBytes()));
+    iterate_rc4(
+        O_data,
+        key_bytes,
+        QUtil::unsigned_char_pointer(k1),
+        data.getLengthBytes(),
+        (data.getR() >= 3) ? 20 : 1,
+        true);
     std::string new_user_password =
         std::string(reinterpret_cast<char*>(O_data), key_bytes);
     bool result = false;
-    if (check_user_password(new_user_password, data))
-    {
+    if (check_user_password(new_user_password, data)) {
         result = true;
         user_password = new_user_password;
     }
@@ -614,8 +606,8 @@
 }
 
 static bool
-check_owner_password_V5(std::string const& owner_password,
-                        QPDF::EncryptionData const& data)
+check_owner_password_V5(
+    std::string const& owner_password, QPDF::EncryptionData const& data)
 {
     // Algorithm 3.12 from the PDF 1.7 extension level 3
 
@@ -623,21 +615,18 @@
     std::string owner_data = data.getO().substr(0, 32);
     std::string validation_salt = data.getO().substr(32, 8);
     std::string password = truncate_password_V5(owner_password);
-    return (hash_V5(password, validation_salt, user_data,
-                    data) == owner_data);
+    return (hash_V5(password, validation_salt, user_data, data) == owner_data);
 }
 
 static bool
-check_owner_password(std::string& user_password,
-		     std::string const& owner_password,
-		     QPDF::EncryptionData const& data)
+check_owner_password(
+    std::string& user_password,
+    std::string const& owner_password,
+    QPDF::EncryptionData const& data)
 {
-    if (data.getV() < 5)
-    {
+    if (data.getV() < 5) {
         return check_owner_password_V4(user_password, owner_password, data);
-    }
-    else
-    {
+    } else {
         return check_owner_password_V5(owner_password, data);
     }
 }
@@ -652,51 +641,56 @@
 }
 
 static void
-compute_U_UE_value_V5(std::string const& user_password,
-                      std::string const& encryption_key,
-                      QPDF::EncryptionData const& data,
-                      std::string& U, std::string& UE)
+compute_U_UE_value_V5(
+    std::string const& user_password,
+    std::string const& encryption_key,
+    QPDF::EncryptionData const& data,
+    std::string& U,
+    std::string& UE)
 {
     // Algorithm 3.8 from the PDF 1.7 extension level 3
     char k16;
     QUtil::initializeWithRandomBytes(
-        QUtil::unsigned_char_pointer(k), sizeof(k));
+        reinterpret_cast<unsigned char*>(k), sizeof(k));
     std::string validation_salt(k, 8);
     std::string key_salt(k + 8, 8);
-    U = hash_V5(user_password, validation_salt, "", data) +
-        validation_salt + key_salt;
+    U = hash_V5(user_password, validation_salt, "", data) + validation_salt +
+        key_salt;
     std::string intermediate_key = hash_V5(user_password, key_salt, "", data);
     UE = process_with_aes(intermediate_key, true, encryption_key);
 }
 
 static void
-compute_O_OE_value_V5(std::string const& owner_password,
-                      std::string const& encryption_key,
-                      QPDF::EncryptionData const& data,
-                      std::string const& U,
-                      std::string& O, std::string& OE)
+compute_O_OE_value_V5(
+    std::string const& owner_password,
+    std::string const& encryption_key,
+    QPDF::EncryptionData const& data,
+    std::string const& U,
+    std::string& O,
+    std::string& OE)
 {
     // Algorithm 3.9 from the PDF 1.7 extension level 3
     char k16;
     QUtil::initializeWithRandomBytes(
-        QUtil::unsigned_char_pointer(k), sizeof(k));
+        reinterpret_cast<unsigned char*>(k), sizeof(k));
     std::string validation_salt(k, 8);
     std::string key_salt(k + 8, 8);
-    O = hash_V5(owner_password, validation_salt, U, data) +
-        validation_salt + key_salt;
+    O = hash_V5(owner_password, validation_salt, U, data) + validation_salt +
+        key_salt;
     std::string intermediate_key = hash_V5(owner_password, key_salt, U, data);
     OE = process_with_aes(intermediate_key, true, encryption_key);
 }
 
 void
-compute_Perms_value_V5_clear(std::string const& encryption_key,
-                             QPDF::EncryptionData const& data,
-                             unsigned char k16)
+compute_Perms_value_V5_clear(
+    std::string const& encryption_key,
+    QPDF::EncryptionData const& data,
+    unsigned char k16)
 {
     // From algorithm 3.10 from the PDF 1.7 extension level 3
-    unsigned long long extended_perms = 0xffffffff00000000LL | data.getP();
-    for (int i = 0; i < 8; ++i)
-    {
+    unsigned long long extended_perms =
+        0xffffffff00000000LL | static_cast<unsigned long long>(data.getP());
+    for (int i = 0; i < 8; ++i) {
         ki = static_cast<unsigned char>(extended_perms & 0xff);
         extended_perms >>= 8;
     }
@@ -708,21 +702,21 @@
 }
 
 static std::string
-compute_Perms_value_V5(std::string const& encryption_key,
-                       QPDF::EncryptionData const& data)
+compute_Perms_value_V5(
+    std::string const& encryption_key, QPDF::EncryptionData const& data)
 {
     // Algorithm 3.10 from the PDF 1.7 extension level 3
     unsigned char k16;
     compute_Perms_value_V5_clear(encryption_key, data, k);
     return process_with_aes(
-        encryption_key, true,
+        encryption_key,
+        true,
         std::string(reinterpret_cast<char*>(k), sizeof(k)));
 }
 
 std::string
 QPDF::recover_encryption_key_with_password(
-    std::string const& password, EncryptionData const& data,
-    bool& perms_valid)
+    std::string const& password, EncryptionData const& data, bool& perms_valid)
 {
     // Algorithm 3.2a from the PDF 1.7 extension level 3
 
@@ -737,14 +731,11 @@
     std::string key_salt;
     std::string user_data;
     std::string encrypted_file_key;
-    if (check_owner_password_V5(key_password, data))
-    {
+    if (check_owner_password_V5(key_password, data)) {
         key_salt = data.getO().substr(40, 8);
         user_data = data.getU().substr(0, 48);
         encrypted_file_key = data.getOE().substr(0, 32);
-    }
-    else if (check_user_password_V5(key_password, data))
-    {
+    } else if (check_user_password_V5(key_password, data)) {
         key_salt = data.getU().substr(40, 8);
         encrypted_file_key = data.getUE().substr(0, 32);
     }
@@ -765,37 +756,28 @@
 
 QPDF::encryption_method_e
 QPDF::interpretCF(
-    PointerHolder<EncryptionParameters> encp, QPDFObjectHandle cf)
-{
-    if (cf.isName())
-    {
-	std::string filter = cf.getName();
-	if (encp->crypt_filters.count(filter) != 0)
-	{
-	    return encp->crypt_filtersfilter;
-	}
-	else if (filter == "/Identity")
-	{
-	    return e_none;
-	}
-	else
-	{
-	    return e_unknown;
-	}
-    }
-    else
-    {
-	// Default: /Identity
-	return e_none;
+    std::shared_ptr<EncryptionParameters> encp, QPDFObjectHandle cf)
+{
+    if (cf.isName()) {
+        std::string filter = cf.getName();
+        if (encp->crypt_filters.count(filter) != 0) {
+            return encp->crypt_filtersfilter;
+        } else if (filter == "/Identity") {
+            return e_none;
+        } else {
+            return e_unknown;
+        }
+    } else {
+        // Default: /Identity
+        return e_none;
     }
 }
 
 void
 QPDF::initializeEncryption()
 {
-    if (this->m->encp->encryption_initialized)
-    {
-	return;
+    if (this->m->encp->encryption_initialized) {
+        return;
     }
     this->m->encp->encryption_initialized = true;
 
@@ -804,9 +786,8 @@
     // things could go wrong if someone mutates the encryption
     // dictionary.
 
-    if (! this->m->trailer.hasKey("/Encrypt"))
-    {
-	return;
+    if (!this->m->trailer.hasKey("/Encrypt")) {
+        return;
     }
 
     // Go ahead and set this->m->encrypted here.  That way, isEncrypted
@@ -816,74 +797,80 @@
 
     std::string id1;
     QPDFObjectHandle id_obj = this->m->trailer.getKey("/ID");
-    if ((id_obj.isArray() &&
-         (id_obj.getArrayNItems() == 2) &&
-         id_obj.getArrayItem(0).isString()))
-    {
+    if ((id_obj.isArray() && (id_obj.getArrayNItems() == 2) &&
+         id_obj.getArrayItem(0).isString())) {
         id1 = id_obj.getArrayItem(0).getStringValue();
-    }
-    else
-    {
+    } else {
         // Treating a missing ID as the empty string enables qpdf to
         // decrypt some invalid encrypted files with no /ID that
         // poppler can read but Adobe Reader can't.
-	warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                     "trailer", this->m->file->getLastOffset(),
-                     "invalid /ID in trailer dictionary"));
+        warn(
+            qpdf_e_damaged_pdf,
+            "trailer",
+            this->m->file->getLastOffset(),
+            "invalid /ID in trailer dictionary");
     }
 
     QPDFObjectHandle encryption_dict = this->m->trailer.getKey("/Encrypt");
-    if (! encryption_dict.isDictionary())
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      this->m->last_object_description,
-		      this->m->file->getLastOffset(),
-		      "/Encrypt in trailer dictionary is not a dictionary");
-    }
-
-    if (! (encryption_dict.getKey("/Filter").isName() &&
-	   (encryption_dict.getKey("/Filter").getName() == "/Standard")))
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "encryption dictionary", this->m->file->getLastOffset(),
-		      "unsupported encryption filter");
-    }
-    if (! encryption_dict.getKey("/SubFilter").isNull())
-    {
-	warn(QPDFExc(qpdf_e_unsupported, this->m->file->getName(),
-		     "encryption dictionary", this->m->file->getLastOffset(),
-		     "file uses encryption SubFilters,"
-		     " which qpdf does not support"));
-    }
-
-    if (! (encryption_dict.getKey("/V").isInteger() &&
-	   encryption_dict.getKey("/R").isInteger() &&
-	   encryption_dict.getKey("/O").isString() &&
-	   encryption_dict.getKey("/U").isString() &&
-	   encryption_dict.getKey("/P").isInteger()))
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "encryption dictionary", this->m->file->getLastOffset(),
-		      "some encryption dictionary parameters are missing "
-		      "or the wrong type");
-    }
-
-    int V = encryption_dict.getKey("/V").getIntValue();
-    int R = encryption_dict.getKey("/R").getIntValue();
+    if (!encryption_dict.isDictionary()) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            this->m->last_object_description,
+            this->m->file->getLastOffset(),
+            "/Encrypt in trailer dictionary is not a dictionary");
+    }
+
+    if (!(encryption_dict.getKey("/Filter").isName() &&
+          (encryption_dict.getKey("/Filter").getName() == "/Standard"))) {
+        throw QPDFExc(
+            qpdf_e_unsupported,
+            this->m->file->getName(),
+            "encryption dictionary",
+            this->m->file->getLastOffset(),
+            "unsupported encryption filter");
+    }
+    if (!encryption_dict.getKey("/SubFilter").isNull()) {
+        warn(
+            qpdf_e_unsupported,
+            "encryption dictionary",
+            this->m->file->getLastOffset(),
+            "file uses encryption SubFilters,"
+            " which qpdf does not support");
+    }
+
+    if (!(encryption_dict.getKey("/V").isInteger() &&
+          encryption_dict.getKey("/R").isInteger() &&
+          encryption_dict.getKey("/O").isString() &&
+          encryption_dict.getKey("/U").isString() &&
+          encryption_dict.getKey("/P").isInteger())) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "encryption dictionary",
+            this->m->file->getLastOffset(),
+            "some encryption dictionary parameters are missing "
+            "or the wrong type");
+    }
+
+    int V = encryption_dict.getKey("/V").getIntValueAsInt();
+    int R = encryption_dict.getKey("/R").getIntValueAsInt();
     std::string O = encryption_dict.getKey("/O").getStringValue();
     std::string U = encryption_dict.getKey("/U").getStringValue();
-    unsigned int P = encryption_dict.getKey("/P").getIntValue();
+    int P = static_cast<int>(encryption_dict.getKey("/P").getIntValue());
 
     // If supporting new encryption R/V values, remember to update
     // error message inside this if statement.
-    if (! (((R >= 2) && (R <= 6)) &&
-	   ((V == 1) || (V == 2) || (V == 4) || (V == 5))))
-    {
-	throw QPDFExc(qpdf_e_unsupported, this->m->file->getName(),
-		      "encryption dictionary", this->m->file->getLastOffset(),
-		      "Unsupported /R or /V in encryption dictionary; R = " +
-                      QUtil::int_to_string(R) + " (max 6), V = " +
-                      QUtil::int_to_string(V) + " (max 5)");
+    if (!(((R >= 2) && (R <= 6)) &&
+          ((V == 1) || (V == 2) || (V == 4) || (V == 5)))) {
+        throw QPDFExc(
+            qpdf_e_unsupported,
+            this->m->file->getName(),
+            "encryption dictionary",
+            this->m->file->getLastOffset(),
+            "Unsupported /R or /V in encryption dictionary; R = " +
+                QUtil::int_to_string(R) +
+                " (max 6), V = " + QUtil::int_to_string(V) + " (max 5)");
     }
 
     this->m->encp->encryption_V = V;
@@ -894,31 +881,30 @@
     std::string UE;
     std::string Perms;
 
-    if (V < 5)
-    {
+    if (V < 5) {
         // These must be exactly the right number of bytes.
         pad_short_parameter(O, key_bytes);
         pad_short_parameter(U, key_bytes);
-        if (! ((O.length() == key_bytes) && (U.length() == key_bytes)))
-        {
-            throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                          "encryption dictionary",
-                          this->m->file->getLastOffset(),
-                          "incorrect length for /O and/or /U in "
-                          "encryption dictionary");
+        if (!((O.length() == key_bytes) && (U.length() == key_bytes))) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "encryption dictionary",
+                this->m->file->getLastOffset(),
+                "incorrect length for /O and/or /U in "
+                "encryption dictionary");
         }
-    }
-    else
-    {
-        if (! (encryption_dict.getKey("/OE").isString() &&
-               encryption_dict.getKey("/UE").isString() &&
-               encryption_dict.getKey("/Perms").isString()))
-        {
-            throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                          "encryption dictionary",
-                          this->m->file->getLastOffset(),
-                          "some V=5 encryption dictionary parameters are "
-                          "missing or the wrong type");
+    } else {
+        if (!(encryption_dict.getKey("/OE").isString() &&
+              encryption_dict.getKey("/UE").isString() &&
+              encryption_dict.getKey("/Perms").isString())) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "encryption dictionary",
+                this->m->file->getLastOffset(),
+                "some V=5 encryption dictionary parameters are "
+                "missing or the wrong type");
         }
         OE = encryption_dict.getKey("/OE").getStringValue();
         UE = encryption_dict.getKey("/UE").getStringValue();
@@ -932,405 +918,406 @@
         pad_short_parameter(Perms, Perms_key_bytes_V5);
     }
 
-    int Length = 40;
-    if (encryption_dict.getKey("/Length").isInteger())
-    {
-	Length = encryption_dict.getKey("/Length").getIntValue();
-        if (R < 3)
-        {
-            // Force Length to 40 regardless of what the file says.
-            Length = 40;
+    int Length = 0;
+    if (V <= 1) {
+        Length = 40;
+    } else if (V == 4) {
+        Length = 128;
+    } else if (V == 5) {
+        Length = 256;
+    } else {
+        if (encryption_dict.getKey("/Length").isInteger()) {
+            Length = encryption_dict.getKey("/Length").getIntValueAsInt();
+            if ((Length % 8) || (Length < 40) || (Length > 128)) {
+                Length = 0;
+            }
         }
-	if ((Length % 8) || (Length < 40) || (Length > 256))
-	{
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "encryption dictionary",
-                          this->m->file->getLastOffset(),
-			  "invalid /Length value in encryption dictionary");
-	}
+    }
+    if (Length == 0) {
+        // Still no Length? Just take a guess.
+        Length = 128;
     }
 
     this->m->encp->encrypt_metadata = true;
-    if ((V >= 4) && (encryption_dict.getKey("/EncryptMetadata").isBool()))
-    {
-	this->m->encp->encrypt_metadata =
-	    encryption_dict.getKey("/EncryptMetadata").getBoolValue();
-    }
+    if ((V >= 4) && (encryption_dict.getKey("/EncryptMetadata").isBool())) {
+        this->m->encp->encrypt_metadata =
+            encryption_dict.getKey("/EncryptMetadata").getBoolValue();
+    }
+
+    if ((V == 4) || (V == 5)) {
+        QPDFObjectHandle CF = encryption_dict.getKey("/CF");
+        for (auto const& filter: CF.getKeys()) {
+            QPDFObjectHandle cdict = CF.getKey(filter);
+            if (cdict.isDictionary()) {
+                encryption_method_e method = e_none;
+                if (cdict.getKey("/CFM").isName()) {
+                    std::string method_name = cdict.getKey("/CFM").getName();
+                    if (method_name == "/V2") {
+                        QTC::TC("qpdf", "QPDF_encryption CFM V2");
+                        method = e_rc4;
+                    } else if (method_name == "/AESV2") {
+                        QTC::TC("qpdf", "QPDF_encryption CFM AESV2");
+                        method = e_aes;
+                    } else if (method_name == "/AESV3") {
+                        QTC::TC("qpdf", "QPDF_encryption CFM AESV3");
+                        method = e_aesv3;
+                    } else {
+                        // Don't complain now -- maybe we won't need
+                        // to reference this type.
+                        method = e_unknown;
+                    }
+                }
+                this->m->encp->crypt_filtersfilter = method;
+            }
+        }
 
-    if ((V == 4) || (V == 5))
-    {
-	QPDFObjectHandle CF = encryption_dict.getKey("/CF");
-	std::set<std::string> keys = CF.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-	    std::string const& filter = *iter;
-	    QPDFObjectHandle cdict = CF.getKey(filter);
-	    if (cdict.isDictionary())
-	    {
-		encryption_method_e method = e_none;
-		if (cdict.getKey("/CFM").isName())
-		{
-		    std::string method_name = cdict.getKey("/CFM").getName();
-		    if (method_name == "/V2")
-		    {
-			QTC::TC("qpdf", "QPDF_encryption CFM V2");
-			method = e_rc4;
-		    }
-		    else if (method_name == "/AESV2")
-		    {
-			QTC::TC("qpdf", "QPDF_encryption CFM AESV2");
-			method = e_aes;
-		    }
-		    else if (method_name == "/AESV3")
-		    {
-			QTC::TC("qpdf", "QPDF_encryption CFM AESV3");
-			method = e_aesv3;
-		    }
-		    else
-		    {
-			// Don't complain now -- maybe we won't need
-			// to reference this type.
-			method = e_unknown;
-		    }
-		}
-		this->m->encp->crypt_filtersfilter = method;
-	    }
-	}
-
-	QPDFObjectHandle StmF = encryption_dict.getKey("/StmF");
-	QPDFObjectHandle StrF = encryption_dict.getKey("/StrF");
-	QPDFObjectHandle EFF = encryption_dict.getKey("/EFF");
-	this->m->encp->cf_stream = interpretCF(this->m->encp, StmF);
-	this->m->encp->cf_string = interpretCF(this->m->encp, StrF);
-	if (EFF.isName())
-	{
-	    this->m->encp->cf_file = interpretCF(this->m->encp, EFF);
-	}
-	else
-	{
-	    this->m->encp->cf_file = this->m->encp->cf_stream;
-	}
+        QPDFObjectHandle StmF = encryption_dict.getKey("/StmF");
+        QPDFObjectHandle StrF = encryption_dict.getKey("/StrF");
+        QPDFObjectHandle EFF = encryption_dict.getKey("/EFF");
+        this->m->encp->cf_stream = interpretCF(this->m->encp, StmF);
+        this->m->encp->cf_string = interpretCF(this->m->encp, StrF);
+        if (EFF.isName()) {
+            // qpdf does not use this for anything other than
+            // informational purposes. This is intended to instruct
+            // conforming writers on which crypt filter should be used
+            // when new file attachments are added to a PDF file, but
+            // qpdf never generates encrypted files with non-default
+            // crypt filters. Prior to 10.2, I was under the mistaken
+            // impression that this was supposed to be used for
+            // decrypting attachments, but the code was wrong in a way
+            // that turns out not to have mattered because no writers
+            // were generating files the way I was imagining. Still,
+            // providing this information could be useful when looking
+            // at a file generated by something else, such as Acrobat
+            // when specifying that only attachments should be
+            // encrypted.
+            this->m->encp->cf_file = interpretCF(this->m->encp, EFF);
+        } else {
+            this->m->encp->cf_file = this->m->encp->cf_stream;
+        }
     }
 
-    EncryptionData data(V, R, Length / 8, P, O, U, OE, UE, Perms,
-                        id1, this->m->encp->encrypt_metadata);
-    if (this->m->provided_password_is_hex_key)
-    {
+    EncryptionData data(
+        V,
+        R,
+        Length / 8,
+        P,
+        O,
+        U,
+        OE,
+        UE,
+        Perms,
+        id1,
+        this->m->encp->encrypt_metadata);
+    if (this->m->provided_password_is_hex_key) {
         // ignore passwords in file
-    }
-    else if (check_owner_password(
-                 this->m->encp->user_password,
-                 this->m->encp->provided_password, data))
-    {
-	// password supplied was owner password; user_password has
-	// been initialized for V < 5
-    }
-    else if (check_user_password(this->m->encp->provided_password, data))
-    {
-	this->m->encp->user_password = this->m->encp->provided_password;
-    }
-    else
-    {
-	throw QPDFExc(qpdf_e_password, this->m->file->getName(),
-		      "", 0, "invalid password");
+    } else {
+        this->m->encp->owner_password_matched = check_owner_password(
+            this->m->encp->user_password,
+            this->m->encp->provided_password,
+            data);
+        if (this->m->encp->owner_password_matched && (V < 5)) {
+            // password supplied was owner password; user_password has
+            // been initialized for V < 5
+            if (getTrimmedUserPassword() == this->m->encp->provided_password) {
+                this->m->encp->user_password_matched = true;
+                QTC::TC("qpdf", "QPDF_encryption user matches owner V < 5");
+            }
+        } else {
+            this->m->encp->user_password_matched =
+                check_user_password(this->m->encp->provided_password, data);
+            if (this->m->encp->user_password_matched) {
+                this->m->encp->user_password = this->m->encp->provided_password;
+            }
+        }
+        if (this->m->encp->user_password_matched &&
+            this->m->encp->owner_password_matched) {
+            QTC::TC("qpdf", "QPDF_encryption same password", (V < 5) ? 0 : 1);
+        }
+        if (!(this->m->encp->owner_password_matched ||
+              this->m->encp->user_password_matched)) {
+            throw QPDFExc(
+                qpdf_e_password,
+                this->m->file->getName(),
+                "",
+                0,
+                "invalid password");
+        }
     }
 
-    if (this->m->provided_password_is_hex_key)
-    {
+    if (this->m->provided_password_is_hex_key) {
         this->m->encp->encryption_key =
             QUtil::hex_decode(this->m->encp->provided_password);
-    }
-    else if (V < 5)
-    {
+    } else if (V < 5) {
         // For V < 5, the user password is encrypted with the owner
         // password, and the user password is always used for
         // computing the encryption key.
-        this->m->encp->encryption_key = compute_encryption_key(
-            this->m->encp->user_password, data);
-    }
-    else
-    {
+        this->m->encp->encryption_key =
+            compute_encryption_key(this->m->encp->user_password, data);
+    } else {
         // For V >= 5, either password can be used independently to
         // compute the encryption key, and neither password can be
         // used to recover the other.
         bool perms_valid;
         this->m->encp->encryption_key = recover_encryption_key_with_password(
             this->m->encp->provided_password, data, perms_valid);
-        if (! perms_valid)
-        {
-            warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                         "encryption dictionary",
-                         this->m->file->getLastOffset(),
-                         "/Perms field in encryption dictionary"
-                         " doesn't match expected value"));
+        if (!perms_valid) {
+            warn(
+                qpdf_e_damaged_pdf,
+                "encryption dictionary",
+                this->m->file->getLastOffset(),
+                "/Perms field in encryption dictionary"
+                " doesn't match expected value");
         }
     }
 }
 
 std::string
 QPDF::getKeyForObject(
-    PointerHolder<EncryptionParameters> encp,
-    int objid, int generation, bool use_aes)
+    std::shared_ptr<EncryptionParameters> encp,
+    QPDFObjGen const& og,
+    bool use_aes)
 {
-    if (! encp->encrypted)
-    {
-	throw std::logic_error(
-	    "request for encryption key in non-encrypted PDF");
+    if (!encp->encrypted) {
+        throw std::logic_error(
+            "request for encryption key in non-encrypted PDF");
     }
 
-    if (! ((objid == encp->cached_key_objid) &&
-	   (generation == encp->cached_key_generation)))
-    {
-	encp->cached_object_encryption_key =
-	    compute_data_key(encp->encryption_key, objid, generation,
-                             use_aes, encp->encryption_V,
-                             encp->encryption_R);
-	encp->cached_key_objid = objid;
-	encp->cached_key_generation = generation;
+    if (og != encp->cached_key_og) {
+        encp->cached_object_encryption_key = compute_data_key(
+            encp->encryption_key,
+            og.getObj(),
+            og.getGen(),
+            use_aes,
+            encp->encryption_V,
+            encp->encryption_R);
+        encp->cached_key_og = og;
     }
 
     return encp->cached_object_encryption_key;
 }
 
 void
-QPDF::decryptString(std::string& str, int objid, int generation)
+QPDF::decryptString(std::string& str, QPDFObjGen const& og)
 {
-    if (objid == 0)
-    {
-	return;
+    if (!og.isIndirect()) {
+        return;
     }
     bool use_aes = false;
-    if (this->m->encp->encryption_V >= 4)
-    {
-	switch (this->m->encp->cf_string)
-	{
-	  case e_none:
-	    return;
-
-	  case e_aes:
-	    use_aes = true;
-	    break;
-
-	  case e_aesv3:
-	    use_aes = true;
-	    break;
-
-	  case e_rc4:
-	    break;
-
-	  default:
-	    warn(QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			 this->m->last_object_description,
-			 this->m->file->getLastOffset(),
-			 "unknown encryption filter for strings"
-			 " (check /StrF in /Encrypt dictionary);"
-			 " strings may be decrypted improperly"));
-	    // To avoid repeated warnings, reset cf_string.  Assume
-	    // we'd want to use AES if V == 4.
-	    this->m->encp->cf_string = e_aes;
+    if (this->m->encp->encryption_V >= 4) {
+        switch (this->m->encp->cf_string) {
+        case e_none:
+            return;
+
+        case e_aes:
             use_aes = true;
-	    break;
-	}
-    }
+            break;
 
-    std::string key = getKeyForObject(
-        this->m->encp, objid, generation, use_aes);
-    try
-    {
-	if (use_aes)
-	{
-	    QTC::TC("qpdf", "QPDF_encryption aes decode string");
-	    Pl_Buffer bufpl("decrypted string");
-	    Pl_AES_PDF pl("aes decrypt string", &bufpl, false,
-			  QUtil::unsigned_char_pointer(key),
-                          key.length());
-	    pl.write(QUtil::unsigned_char_pointer(str), str.length());
-	    pl.finish();
-	    PointerHolder<Buffer> buf = bufpl.getBuffer();
-	    str = std::string(reinterpret_cast<char*>(buf->getBuffer()),
-                              buf->getSize());
-	}
-	else
-	{
-	    QTC::TC("qpdf", "QPDF_encryption rc4 decode string");
-	    unsigned int vlen = str.length();
-	    // Using PointerHolder guarantees that tmp will
-	    // be freed even if rc4.process throws an exception.
-	    PointerHolder<char> tmp(true, QUtil::copy_string(str));
-	    RC4 rc4(QUtil::unsigned_char_pointer(key), key.length());
-	    rc4.process(QUtil::unsigned_char_pointer(tmp.getPointer()), vlen);
-	    str = std::string(tmp.getPointer(), vlen);
-	}
-    }
-    catch (QPDFExc&)
-    {
-	throw;
+        case e_aesv3:
+            use_aes = true;
+            break;
+
+        case e_rc4:
+            break;
+
+        default:
+            warn(
+                qpdf_e_damaged_pdf,
+                this->m->last_object_description,
+                this->m->file->getLastOffset(),
+                "unknown encryption filter for strings"
+                " (check /StrF in /Encrypt dictionary);"
+                " strings may be decrypted improperly");
+            // To avoid repeated warnings, reset cf_string.  Assume
+            // we'd want to use AES if V == 4.
+            this->m->encp->cf_string = e_aes;
+            use_aes = true;
+            break;
+        }
     }
-    catch (std::runtime_error& e)
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      this->m->last_object_description,
-		      this->m->file->getLastOffset(),
-		      "error decrypting string for object " +
-		      QUtil::int_to_string(objid) + " " +
-		      QUtil::int_to_string(generation) + ": " + e.what());
+
+    std::string key = getKeyForObject(this->m->encp, og, use_aes);
+    try {
+        if (use_aes) {
+            QTC::TC("qpdf", "QPDF_encryption aes decode string");
+            Pl_Buffer bufpl("decrypted string");
+            Pl_AES_PDF pl(
+                "aes decrypt string",
+                &bufpl,
+                false,
+                QUtil::unsigned_char_pointer(key),
+                key.length());
+            pl.writeString(str);
+            pl.finish();
+            auto buf = bufpl.getBufferSharedPointer();
+            str = std::string(
+                reinterpret_cast<char*>(buf->getBuffer()), buf->getSize());
+        } else {
+            QTC::TC("qpdf", "QPDF_encryption rc4 decode string");
+            size_t vlen = str.length();
+            // Using std::shared_ptr guarantees that tmp will
+            // be freed even if rc4.process throws an exception.
+            auto tmp = QUtil::make_unique_cstr(str);
+            RC4 rc4(QUtil::unsigned_char_pointer(key), toI(key.length()));
+            auto data = QUtil::unsigned_char_pointer(tmp.get());
+            rc4.process(data, vlen, data);
+            str = std::string(tmp.get(), vlen);
+        }
+    } catch (QPDFExc&) {
+        throw;
+    } catch (std::runtime_error& e) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            this->m->last_object_description,
+            this->m->file->getLastOffset(),
+            "error decrypting string for object " + og.unparse() + ": " +
+                e.what());
     }
 }
 
 void
-QPDF::decryptStream(PointerHolder<EncryptionParameters> encp,
-                    PointerHolder<InputSource> file,
-                    QPDF& qpdf_for_warning, Pipeline*& pipeline,
-                    int objid, int generation,
-		    QPDFObjectHandle& stream_dict,
-                    bool is_attachment_stream,
-		    std::vector<PointerHolder<Pipeline> >& heap)
+QPDF::decryptStream(
+    std::shared_ptr<EncryptionParameters> encp,
+    std::shared_ptr<InputSource> file,
+    QPDF& qpdf_for_warning,
+    Pipeline*& pipeline,
+    QPDFObjGen const& og,
+    QPDFObjectHandle& stream_dict,
+    std::vector<std::shared_ptr<Pipeline>>& heap)
 {
     std::string type;
-    if (stream_dict.getKey("/Type").isName())
-    {
-	type = stream_dict.getKey("/Type").getName();
+    if (stream_dict.getKey("/Type").isName()) {
+        type = stream_dict.getKey("/Type").getName();
     }
-    if (type == "/XRef")
-    {
-	QTC::TC("qpdf", "QPDF_encryption xref stream from encrypted file");
-	return;
+    if (type == "/XRef") {
+        QTC::TC("qpdf", "QPDF_encryption xref stream from encrypted file");
+        return;
     }
     bool use_aes = false;
-    if (encp->encryption_V >= 4)
-    {
-	encryption_method_e method = e_unknown;
-	std::string method_source = "/StmF from /Encrypt dictionary";
-
-	if (stream_dict.getKey("/Filter").isOrHasName("/Crypt"))
-        {
-            if (stream_dict.getKey("/DecodeParms").isDictionary())
-            {
+    if (encp->encryption_V >= 4) {
+        encryption_method_e method = e_unknown;
+        std::string method_source = "/StmF from /Encrypt dictionary";
+
+        if (stream_dict.getKey("/Filter").isOrHasName("/Crypt")) {
+            if (stream_dict.getKey("/DecodeParms").isDictionary()) {
                 QPDFObjectHandle decode_parms =
                     stream_dict.getKey("/DecodeParms");
-                if (decode_parms.getKey("/Type").isName() &&
-                    (decode_parms.getKey("/Type").getName() ==
-                     "/CryptFilterDecodeParms"))
-                {
+                if (decode_parms.isDictionaryOfType(
+                        "/CryptFilterDecodeParms")) {
                     QTC::TC("qpdf", "QPDF_encryption stream crypt filter");
                     method = interpretCF(encp, decode_parms.getKey("/Name"));
                     method_source = "stream's Crypt decode parameters";
                 }
-            }
-            else if (stream_dict.getKey("/DecodeParms").isArray() &&
-                     stream_dict.getKey("/Filter").isArray())
-            {
+            } else if (
+                stream_dict.getKey("/DecodeParms").isArray() &&
+                stream_dict.getKey("/Filter").isArray()) {
                 QPDFObjectHandle filter = stream_dict.getKey("/Filter");
                 QPDFObjectHandle decode = stream_dict.getKey("/DecodeParms");
-                if (filter.getArrayNItems() == decode.getArrayNItems())
-                {
-                    for (int i = 0; i < filter.getArrayNItems(); ++i)
-                    {
-                        if (filter.getArrayItem(i).isName() &&
-                            (filter.getArrayItem(i).getName() == "/Crypt"))
-                        {
+                if (filter.getArrayNItems() == decode.getArrayNItems()) {
+                    for (int i = 0; i < filter.getArrayNItems(); ++i) {
+                        if (filter.getArrayItem(i).isNameAndEquals("/Crypt")) {
                             QPDFObjectHandle crypt_params =
                                 decode.getArrayItem(i);
                             if (crypt_params.isDictionary() &&
-                                crypt_params.getKey("/Name").isName())
-                            {
+                                crypt_params.getKey("/Name").isName()) {
                                 QTC::TC("qpdf", "QPDF_encrypt crypt array");
                                 method = interpretCF(
                                     encp, crypt_params.getKey("/Name"));
                                 method_source = "stream's Crypt "
-                                    "decode parameters (array)";
+                                                "decode parameters (array)";
                             }
                         }
                     }
                 }
             }
-	}
-
-	if (method == e_unknown)
-	{
-	    if ((! encp->encrypt_metadata) && (type == "/Metadata"))
-	    {
-		QTC::TC("qpdf", "QPDF_encryption cleartext metadata");
-		method = e_none;
-	    }
-	    else
-	    {
-                if (is_attachment_stream)
-                {
-                    QTC::TC("qpdf", "QPDF_encryption attachment stream");
-                    method = encp->cf_file;
-                }
-                else
-                {
-                    method = encp->cf_stream;
-                }
-	    }
-	}
-	use_aes = false;
-	switch (method)
-	{
-	  case e_none:
-	    return;
-	    break;
-
-	  case e_aes:
-	    use_aes = true;
-	    break;
-
-	  case e_aesv3:
-	    use_aes = true;
-	    break;
-
-	  case e_rc4:
-	    break;
-
-	  default:
-	    // filter local to this stream.
-	    qpdf_for_warning.warn(
-                QPDFExc(qpdf_e_damaged_pdf, file->getName(),
-                        "", file->getLastOffset(),
-                        "unknown encryption filter for streams"
-                        " (check " + method_source + ");"
-                        " streams may be decrypted improperly"));
-	    // To avoid repeated warnings, reset cf_stream.  Assume
-	    // we'd want to use AES if V == 4.
-	    encp->cf_stream = e_aes;
+        }
+
+        if (method == e_unknown) {
+            if ((!encp->encrypt_metadata) && (type == "/Metadata")) {
+                QTC::TC("qpdf", "QPDF_encryption cleartext metadata");
+                method = e_none;
+            } else {
+                method = encp->cf_stream;
+            }
+        }
+        use_aes = false;
+        switch (method) {
+        case e_none:
+            return;
+            break;
+
+        case e_aes:
             use_aes = true;
-	    break;
-	}
-    }
-    std::string key = getKeyForObject(encp, objid, generation, use_aes);
-    if (use_aes)
-    {
-	QTC::TC("qpdf", "QPDF_encryption aes decode stream");
-	pipeline = new Pl_AES_PDF("AES stream decryption", pipeline,
-				  false, QUtil::unsigned_char_pointer(key),
-                                  key.length());
-    }
-    else
-    {
-	QTC::TC("qpdf", "QPDF_encryption rc4 decode stream");
-	pipeline = new Pl_RC4("RC4 stream decryption", pipeline,
-			      QUtil::unsigned_char_pointer(key),
-                              key.length());
+            break;
+
+        case e_aesv3:
+            use_aes = true;
+            break;
+
+        case e_rc4:
+            break;
+
+        default:
+            // filter local to this stream.
+            qpdf_for_warning.warn(QPDFExc(
+                qpdf_e_damaged_pdf,
+                file->getName(),
+                "",
+                file->getLastOffset(),
+                "unknown encryption filter for streams"
+                " (check " +
+                    method_source +
+                    ");"
+                    " streams may be decrypted improperly"));
+            // To avoid repeated warnings, reset cf_stream.  Assume
+            // we'd want to use AES if V == 4.
+            encp->cf_stream = e_aes;
+            use_aes = true;
+            break;
+        }
     }
-    heap.push_back(pipeline);
+    std::string key = getKeyForObject(encp, og, use_aes);
+    std::shared_ptr<Pipeline> new_pipeline;
+    if (use_aes) {
+        QTC::TC("qpdf", "QPDF_encryption aes decode stream");
+        new_pipeline = std::make_shared<Pl_AES_PDF>(
+            "AES stream decryption",
+            pipeline,
+            false,
+            QUtil::unsigned_char_pointer(key),
+            key.length());
+    } else {
+        QTC::TC("qpdf", "QPDF_encryption rc4 decode stream");
+        new_pipeline = std::make_shared<Pl_RC4>(
+            "RC4 stream decryption",
+            pipeline,
+            QUtil::unsigned_char_pointer(key),
+            toI(key.length()));
+    }
+    pipeline = new_pipeline.get();
+    heap.push_back(new_pipeline);
 }
 
 void
 QPDF::compute_encryption_O_U(
-    char const* user_password, char const* owner_password,
-    int V, int R, int key_len, int P, bool encrypt_metadata,
-    std::string const& id1, std::string& O, std::string& U)
-{
-    if (V >= 5)
-    {
-	throw std::logic_error(
-	    "compute_encryption_O_U called for file with V >= 5");
+    char const* user_password,
+    char const* owner_password,
+    int V,
+    int R,
+    int key_len,
+    int P,
+    bool encrypt_metadata,
+    std::string const& id1,
+    std::string& O,
+    std::string& U)
+{
+    if (V >= 5) {
+        throw std::logic_error(
+            "compute_encryption_O_U called for file with V >= 5");
     }
-    EncryptionData data(V, R, key_len, P, "", "", "", "", "",
-                        id1, encrypt_metadata);
+    EncryptionData data(
+        V, R, key_len, P, "", "", "", "", "", id1, encrypt_metadata);
     data.setO(compute_O_value(user_password, owner_password, data));
     O = data.getO();
     data.setU(compute_U_value(user_password, data));
@@ -1339,15 +1326,23 @@
 
 void
 QPDF::compute_encryption_parameters_V5(
-    char const* user_password, char const* owner_password,
-    int V, int R, int key_len, int P, bool encrypt_metadata,
+    char const* user_password,
+    char const* owner_password,
+    int V,
+    int R,
+    int key_len,
+    int P,
+    bool encrypt_metadata,
     std::string const& id1,
     std::string& encryption_key,
-    std::string& O, std::string& U,
-    std::string& OE, std::string& UE, std::string& Perms)
-{
-    EncryptionData data(V, R, key_len, P, "", "", "", "", "",
-                        id1, encrypt_metadata);
+    std::string& O,
+    std::string& U,
+    std::string& OE,
+    std::string& UE,
+    std::string& Perms)
+{
+    EncryptionData data(
+        V, R, key_len, P, "", "", "", "", "", id1, encrypt_metadata);
     unsigned char kkey_bytes;
     QUtil::initializeWithRandomBytes(k, key_bytes);
     encryption_key = std::string(reinterpret_cast<char*>(k), key_bytes);
@@ -1392,37 +1387,49 @@
 }
 
 bool
-QPDF::isEncrypted(int& R, int& P, int& V,
-                  encryption_method_e& stream_method,
-                  encryption_method_e& string_method,
-                  encryption_method_e& file_method)
-{
-    if (this->m->encp->encrypted)
-    {
-	QPDFObjectHandle trailer = getTrailer();
-	QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
-	QPDFObjectHandle Pkey = encrypt.getKey("/P");
-	QPDFObjectHandle Rkey = encrypt.getKey("/R");
+QPDF::isEncrypted(
+    int& R,
+    int& P,
+    int& V,
+    encryption_method_e& stream_method,
+    encryption_method_e& string_method,
+    encryption_method_e& file_method)
+{
+    if (this->m->encp->encrypted) {
+        QPDFObjectHandle trailer = getTrailer();
+        QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
+        QPDFObjectHandle Pkey = encrypt.getKey("/P");
+        QPDFObjectHandle Rkey = encrypt.getKey("/R");
         QPDFObjectHandle Vkey = encrypt.getKey("/V");
-	P = Pkey.getIntValue();
-	R = Rkey.getIntValue();
-        V = Vkey.getIntValue();
+        P = static_cast<int>(Pkey.getIntValue());
+        R = Rkey.getIntValueAsInt();
+        V = Vkey.getIntValueAsInt();
         stream_method = this->m->encp->cf_stream;
         string_method = this->m->encp->cf_string;
         file_method = this->m->encp->cf_file;
-	return true;
-    }
-    else
-    {
-	return false;
+        return true;
+    } else {
+        return false;
     }
 }
 
+bool
+QPDF::ownerPasswordMatched() const
+{
+    return this->m->encp->owner_password_matched;
+}
+
+bool
+QPDF::userPasswordMatched() const
+{
+    return this->m->encp->user_password_matched;
+}
+
 static bool
 is_bit_set(int P, int bit)
 {
     // Bits in P are numbered from 1 in the spec
-    return (P & (1 << (bit - 1)));
+    return ((P & (1 << (bit - 1))) != 0);
 }
 
 bool
@@ -1431,16 +1438,12 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	if (R < 3)
-	{
-	    status = is_bit_set(P, 5);
-	}
-	else
-	{
-	    status = is_bit_set(P, 10);
-	}
+    if (isEncrypted(R, P)) {
+        if (R < 3) {
+            status = is_bit_set(P, 5);
+        } else {
+            status = is_bit_set(P, 10);
+        }
     }
     return status;
 }
@@ -1451,9 +1454,8 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	status = is_bit_set(P, 5);
+    if (isEncrypted(R, P)) {
+        status = is_bit_set(P, 5);
     }
     return status;
 }
@@ -1464,9 +1466,8 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	status = is_bit_set(P, 3);
+    if (isEncrypted(R, P)) {
+        status = is_bit_set(P, 3);
     }
     return status;
 }
@@ -1477,13 +1478,11 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	status = is_bit_set(P, 3);
-	if ((R >= 3) && (! is_bit_set(P, 12)))
-	{
-	    status = false;
-	}
+    if (isEncrypted(R, P)) {
+        status = is_bit_set(P, 3);
+        if ((R >= 3) && (!is_bit_set(P, 12))) {
+            status = false;
+        }
     }
     return status;
 }
@@ -1494,16 +1493,12 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	if (R < 3)
-	{
-	    status = is_bit_set(P, 4);
-	}
-	else
-	{
-	    status = is_bit_set(P, 11);
-	}
+    if (isEncrypted(R, P)) {
+        if (R < 3) {
+            status = is_bit_set(P, 4);
+        } else {
+            status = is_bit_set(P, 11);
+        }
     }
     return status;
 }
@@ -1514,16 +1509,12 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	if (R < 3)
-	{
-	    status = is_bit_set(P, 6);
-	}
-	else
-	{
-	    status = is_bit_set(P, 9);
-	}
+    if (isEncrypted(R, P)) {
+        if (R < 3) {
+            status = is_bit_set(P, 6);
+        } else {
+            status = is_bit_set(P, 9);
+        }
     }
     return status;
 }
@@ -1534,9 +1525,8 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	status = is_bit_set(P, 6);
+    if (isEncrypted(R, P)) {
+        status = is_bit_set(P, 6);
     }
     return status;
 }
@@ -1547,9 +1537,8 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	status = is_bit_set(P, 4);
+    if (isEncrypted(R, P)) {
+        status = is_bit_set(P, 4);
     }
     return status;
 }
@@ -1560,13 +1549,11 @@
     int R = 0;
     int P = 0;
     bool status = true;
-    if (isEncrypted(R, P))
-    {
-	status = (is_bit_set(P, 4) && is_bit_set(P, 6));
-	if (R >= 3)
-	{
-	    status = status && (is_bit_set(P, 9) && is_bit_set(P, 11));
-	}
+    if (isEncrypted(R, P)) {
+        status = (is_bit_set(P, 4) && is_bit_set(P, 6));
+        if (R >= 3) {
+            status = status && (is_bit_set(P, 9) && is_bit_set(P, 11));
+        }
     }
     return status;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_json.cc Added

@@ -0,0 +1,942 @@
+#include <qpdf/QPDF.hh>
+
+#include <qpdf/FileInputSource.hh>
+#include <qpdf/Pl_Base64.hh>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <algorithm>
+#include <cstring>
+
+// This chart shows an example of the state transitions that would
+// occur in parsing a minimal file.
+
+//                                | st_initial
+// {                              |   -> st_top
+//   "qpdf":                     |   -> st_qpdf
+//     {                          |   -> st_qpdf_meta
+//       ...                      |   ...
+//     },                         |   ...
+//     {                          |   -> st_objects
+//       "obj:1 0 R": {           |   -> st_object_top
+//         "value": {             |   -> st_object
+//           "/Pages": "2 0 R",   |   ...
+//           "/Type": "/Catalog"  |   ...
+//         }                      |   <- st_object_top
+//       },                       |   <- st_objects
+//       "obj:2 0 R": {           |   -> st_object_top
+//         "value": 12            |   -> st_object
+//         }                      |   <- st_object_top
+//       },                       |   <- st_objects
+//       "obj:4 0 R": {           |   -> st_object_top
+//         "stream": {            |   -> st_stream
+//           "data": "cG90YXRv",  |   ...
+//           "dict": {            |   -> st_object
+//             "/K": true         |   ...
+//           }                    |   <- st_stream
+//         }                      |   <- st_object_top
+//       },                       |   <- st_objects
+//       "trailer": {             |   -> st_trailer
+//         "value": {             |   -> st_object
+//           "/Root": "1 0 R",    |   ...
+//           "/Size": 7           |   ...
+//         }                      |   <- st_trailer
+//       }                        |   <- st_objects
+//     }                          |   <- st_qpdf
+//                               |   <- st_top
+// }                              |   <- st_initial
+
+static char const* JSON_PDF = (
+    // force line break
+    "%PDF-1.3\n"
+    "xref\n"
+    "0 1\n"
+    "0000000000 65535 f \n"
+    "trailer << /Size 1 >>\n"
+    "startxref\n"
+    "9\n"
+    "%%EOF\n");
+
+// Validator methods -- these are much more performant than std::regex.
+static bool
+is_indirect_object(std::string const& v, int& obj, int& gen)
+{
+    char const* p = v.c_str();
+    std::string o_str;
+    std::string g_str;
+    if (!QUtil::is_digit(*p)) {
+        return false;
+    }
+    while (QUtil::is_digit(*p)) {
+        o_str.append(1, *p++);
+    }
+    if (*p != ' ') {
+        return false;
+    }
+    while (*p == ' ') {
+        ++p;
+    }
+    if (!QUtil::is_digit(*p)) {
+        return false;
+    }
+    while (QUtil::is_digit(*p)) {
+        g_str.append(1, *p++);
+    }
+    if (*p != ' ') {
+        return false;
+    }
+    while (*p == ' ') {
+        ++p;
+    }
+    if (*p++ != 'R') {
+        return false;
+    }
+    if (*p) {
+        return false;
+    }
+    obj = QUtil::string_to_int(o_str.c_str());
+    gen = QUtil::string_to_int(g_str.c_str());
+    return true;
+}
+
+static bool
+is_obj_key(std::string const& v, int& obj, int& gen)
+{
+    if (v.substr(0, 4) != "obj:") {
+        return false;
+    }
+    return is_indirect_object(v.substr(4), obj, gen);
+}
+
+static bool
+is_unicode_string(std::string const& v, std::string& str)
+{
+    if (v.substr(0, 2) == "u:") {
+        str = v.substr(2);
+        return true;
+    }
+    return false;
+}
+
+static bool
+is_binary_string(std::string const& v, std::string& str)
+{
+    if (v.substr(0, 2) == "b:") {
+        str = v.substr(2);
+        int count = 0;
+        for (char c: str) {
+            if (!QUtil::is_hex_digit(c)) {
+                return false;
+            }
+            ++count;
+        }
+        return (count % 2 == 0);
+    }
+    return false;
+}
+
+static bool
+is_name(std::string const& v)
+{
+    return ((v.length() > 1) && (v.at(0) == '/'));
+}
+
+bool
+QPDF::test_json_validators()
+{
+    bool passed = true;
+    auto check_fn = &passed(char const* msg, bool expr) {
+        if (!expr) {
+            passed = false;
+            std::cerr << msg << std::endl;
+        }
+    };
+#define check(expr) check_fn(#expr, expr)
+
+    int obj = 0;
+    int gen = 0;
+    check(!is_indirect_object("", obj, gen));
+    check(!is_indirect_object("12", obj, gen));
+    check(!is_indirect_object("x12 0 R", obj, gen));
+    check(!is_indirect_object("12 0 Rx", obj, gen));
+    check(!is_indirect_object("12 0R", obj, gen));
+    check(is_indirect_object("52 1 R", obj, gen));
+    check(obj == 52);
+    check(gen == 1);
+    check(is_indirect_object("53  20  R", obj, gen));
+    check(obj == 53);
+    check(gen == 20);
+    check(!is_obj_key("", obj, gen));
+    check(!is_obj_key("obj:x", obj, gen));
+    check(!is_obj_key("obj:x", obj, gen));
+    check(is_obj_key("obj:12 13 R", obj, gen));
+    check(obj == 12);
+    check(gen == 13);
+    std::string str;
+    check(!is_unicode_string("", str));
+    check(!is_unicode_string("xyz", str));
+    check(!is_unicode_string("x:", str));
+    check(is_unicode_string("u:potato", str));
+    check(str == "potato");
+    check(is_unicode_string("u:", str));
+    check(str == "");
+    check(!is_binary_string("", str));
+    check(!is_binary_string("x:", str));
+    check(!is_binary_string("b:1", str));
+    check(!is_binary_string("b:123", str));
+    check(!is_binary_string("b:gh", str));
+    check(is_binary_string("b:", str));
+    check(is_binary_string("b:12", str));
+    check(is_binary_string("b:123aBC", str));
+    check(!is_name(""));
+    check(!is_name("/"));
+    check(!is_name("xyz"));
+    check(is_name("/Potato"));
+    check(is_name("/Potato Salad"));
+
+    return passed;
+#undef check_arg
+}
+
+static std::function<void(Pipeline*)>
+provide_data(
+    std::shared_ptr<InputSource> is, qpdf_offset_t start, qpdf_offset_t end)
+{
+    return is, start, end(Pipeline* p) {
+        Pl_Base64 decode("base64-decode", p, Pl_Base64::a_decode);
+        p = &decode;
+        size_t bytes = QIntC::to_size(end - start);
+        char buf8192;
+        is->seek(start, SEEK_SET);
+        size_t len = 0;
+        while ((len = is->read(buf, std::min(bytes, sizeof(buf)))) > 0) {
+            p->write(buf, len);
+            bytes -= len;
+            if (bytes == 0) {
+                break;
+            }
+        }
+        decode.finish();
+    };
+}
+
+QPDF::JSONReactor::JSONReactor(
+    QPDF& pdf, std::shared_ptr<InputSource> is, bool must_be_complete) :
+    pdf(pdf),
+    is(is),
+    must_be_complete(must_be_complete),
+    errors(false),
+    parse_error(false),
+    saw_qpdf(false),
+    saw_qpdf_meta(false),
+    saw_objects(false),
+    saw_json_version(false),
+    saw_pdf_version(false),
+    saw_trailer(false),
+    state(st_initial),
+    next_state(st_top),
+    saw_value(false),
+    saw_stream(false),
+    saw_dict(false),
+    saw_data(false),
+    saw_datafile(false),
+    this_stream_needs_data(false)
+{
+    state_stack.push_back(st_initial);
+}
+
+void
+QPDF::JSONReactor::error(qpdf_offset_t offset, std::string const& msg)
+{
+    this->errors = true;
+    std::string object = this->cur_object;
+    if (is->getName() != pdf.getFilename()) {
+        object += " from " + is->getName();
+    }
+    this->pdf.warn(qpdf_e_json, object, offset, msg);
+}
+
+bool
+QPDF::JSONReactor::anyErrors() const
+{
+    return this->errors;
+}
+
+void
+QPDF::JSONReactor::containerStart()
+{
+    state_stack.push_back(state);
+    state = next_state;
+}
+
+void
+QPDF::JSONReactor::dictionaryStart()
+{
+    containerStart();
+}
+
+void
+QPDF::JSONReactor::arrayStart()
+{
+    containerStart();
+    if (state == st_top) {
+        QTC::TC("qpdf", "QPDF_json top-level array");
+        throw std::runtime_error("QPDF JSON must be a dictionary");
+    }
+}
+
+void
+QPDF::JSONReactor::containerEnd(JSON const& value)
+{
+    auto from_state = state;
+    state = state_stack.back();
+    state_stack.pop_back();
+    if (state == st_initial) {
+        if (!this->saw_qpdf) {
+            QTC::TC("qpdf", "QPDF_json missing qpdf");
+            error(0, "\"qpdf\" object was not seen");
+        } else {
+            if (!this->saw_json_version) {
+                QTC::TC("qpdf", "QPDF_json missing json version");
+                error(0, "\"qpdf0.jsonversion\" was not seen");
+            }
+            if (must_be_complete && !this->saw_pdf_version) {
+                QTC::TC("qpdf", "QPDF_json missing pdf version");
+                error(0, "\"qpdf0.pdfversion\" was not seen");
+            }
+            if (!this->saw_objects) {
+                QTC::TC("qpdf", "QPDF_json missing objects");
+                error(0, "\"qpdf1\" was not seen");
+            } else {
+                if (must_be_complete && !this->saw_trailer) {
+                    QTC::TC("qpdf", "QPDF_json missing trailer");
+                    error(0, "\"qpdf1.trailer\" was not seen");
+                }
+            }
+        }
+    } else if (state == st_objects) {
+        if (parse_error) {
+            QTC::TC("qpdf", "QPDF_json don't check object after parse error");
+        } else if (cur_object == "trailer") {
+            if (!saw_value) {
+                QTC::TC("qpdf", "QPDF_json trailer no value");
+                error(value.getStart(), "\"trailer\" is missing \"value\"");
+            }
+        } else if (saw_value == saw_stream) {
+            QTC::TC("qpdf", "QPDF_json value stream both or neither");
+            error(
+                value.getStart(),
+                "object must have exactly one of \"value\" or \"stream\"");
+        }
+        object_stack.clear();
+        this->cur_object = "";
+        this->saw_dict = false;
+        this->saw_data = false;
+        this->saw_datafile = false;
+        this->saw_value = false;
+        this->saw_stream = false;
+    } else if (state == st_object_top) {
+        if (saw_stream) {
+            if (!saw_dict) {
+                QTC::TC("qpdf", "QPDF_json stream no dict");
+                error(value.getStart(), "\"stream\" is missing \"dict\"");
+            }
+            if (saw_data == saw_datafile) {
+                if (this_stream_needs_data) {
+                    QTC::TC("qpdf", "QPDF_json data datafile both or neither");
+                    error(
+                        value.getStart(),
+                        "new \"stream\" must have exactly one of \"data\" or "
+                        "\"datafile\"");
+                } else if (saw_datafile) {
+                    QTC::TC("qpdf", "QPDF_json data and datafile");
+                    error(
+                        value.getStart(),
+                        "existing \"stream\" may at most one of \"data\" or "
+                        "\"datafile\"");
+                } else {
+                    QTC::TC("qpdf", "QPDF_json no stream data in update mode");
+                }
+            }
+        }
+    } else if ((state == st_stream) || (state == st_object)) {
+        if (!parse_error) {
+            object_stack.pop_back();
+        }
+    } else if ((state == st_top) && (from_state == st_qpdf)) {
+        for (auto const& og: this->reserved) {
+            // Handle dangling indirect object references which the
+            // PDF spec says to treat as nulls. It's tempting to make
+            // this an error, but that would be wrong since valid
+            // input files may have these.
+            QTC::TC("qpdf", "QPDF_json non-trivial null reserved");
+            this->pdf.replaceObject(og, QPDFObjectHandle::newNull());
+        }
+        this->reserved.clear();
+    }
+}
+
+QPDFObjectHandle
+QPDF::JSONReactor::reserveObject(int obj, int gen)
+{
+    QPDFObjGen og(obj, gen);
+    auto oh = pdf.reserveObjectIfNotExists(og);
+    if (oh.isReserved()) {
+        this->reserved.insert(og);
+    }
+    return oh;
+}
+
+void
+QPDF::JSONReactor::replaceObject(
+    QPDFObjectHandle to_replace,
+    QPDFObjectHandle replacement,
+    JSON const& value)
+{
+    auto og = to_replace.getObjGen();
+    this->reserved.erase(og);
+    this->pdf.replaceObject(og, replacement);
+    auto oh = pdf.getObject(og);
+    setObjectDescription(oh, value);
+}
+
+void
+QPDF::JSONReactor::topLevelScalar()
+{
+    QTC::TC("qpdf", "QPDF_json top-level scalar");
+    throw std::runtime_error("QPDF JSON must be a dictionary");
+}
+
+void
+QPDF::JSONReactor::nestedState(
+    std::string const& key, JSON const& value, state_e next)
+{
+    // Use this method when the next state is for processing a nested
+    // dictionary.
+    if (value.isDictionary()) {
+        this->next_state = next;
+    } else {
+        error(value.getStart(), "\"" + key + "\" must be a dictionary");
+        this->next_state = st_ignore;
+        this->parse_error = true;
+    }
+}
+
+bool
+QPDF::JSONReactor::dictionaryItem(std::string const& key, JSON const& value)
+{
+    if (state == st_ignore) {
+        QTC::TC("qpdf", "QPDF_json ignoring in st_ignore");
+        // ignore
+    } else if (state == st_top) {
+        if (key == "qpdf") {
+            this->saw_qpdf = true;
+            if (!value.isArray()) {
+                QTC::TC("qpdf", "QPDF_json qpdf not array");
+                error(value.getStart(), "\"qpdf\" must be an array");
+                next_state = st_ignore;
+                parse_error = true;
+            } else {
+                next_state = st_qpdf;
+            }
+        } else {
+            // Ignore all other fields.
+            QTC::TC("qpdf", "QPDF_json ignoring unknown top-level key");
+            next_state = st_ignore;
+        }
+    } else if (state == st_qpdf_meta) {
+        if (key == "pdfversion") {
+            this->saw_pdf_version = true;
+            bool version_okay = false;
+            std::string v;
+            if (value.getString(v)) {
+                std::string version;
+                char const* p = v.c_str();
+                if (QPDF::validatePDFVersion(p, version) && (*p == '\0')) {
+                    version_okay = true;
+                    this->pdf.m->pdf_version = version;
+                }
+            }
+            if (!version_okay) {
+                QTC::TC("qpdf", "QPDF_json bad pdf version");
+                error(value.getStart(), "invalid PDF version (must be x.y)");
+            }
+        } else if (key == "jsonversion") {
+            this->saw_json_version = true;
+            bool version_okay = false;
+            std::string v;
+            if (value.getNumber(v)) {
+                std::string version;
+                if (QUtil::string_to_int(v.c_str()) == 2) {
+                    version_okay = true;
+                }
+            }
+            if (!version_okay) {
+                QTC::TC("qpdf", "QPDF_json bad json version");
+                error(value.getStart(), "invalid JSON version (must be 2)");
+            }
+        } else if (key == "pushedinheritedpageresources") {
+            bool v;
+            if (value.getBool(v)) {
+                if ((!this->must_be_complete) && v) {
+                    this->pdf.pushInheritedAttributesToPage();
+                }
+            } else {
+                QTC::TC("qpdf", "QPDF_json bad pushedinheritedpageresources");
+                error(
+                    value.getStart(),
+                    "pushedinheritedpageresources must be a boolean");
+            }
+        } else if (key == "calledgetallpages") {
+            bool v;
+            if (value.getBool(v)) {
+                if ((!this->must_be_complete) && v) {
+                    this->pdf.getAllPages();
+                }
+            } else {
+                QTC::TC("qpdf", "QPDF_json bad calledgetallpages");
+                error(value.getStart(), "calledgetallpages must be a boolean");
+            }
+        } else {
+            // ignore unknown keys for forward compatibility and to
+            // skip keys we don't care about like "maxobjectid".
+            QTC::TC("qpdf", "QPDF_json ignore second-level key");
+            next_state = st_ignore;
+        }
+    } else if (state == st_objects) {
+        int obj = 0;
+        int gen = 0;
+        if (key == "trailer") {
+            this->saw_trailer = true;
+            nestedState(key, value, st_trailer);
+            this->cur_object = "trailer";
+        } else if (is_obj_key(key, obj, gen)) {
+            this->cur_object = key;
+            auto oh = reserveObject(obj, gen);
+            object_stack.push_back(oh);
+            nestedState(key, value, st_object_top);
+        } else {
+            QTC::TC("qpdf", "QPDF_json bad object key");
+            error(
+                value.getStart(),
+                "object key should be \"trailer\" or \"obj:n n R\"");
+            next_state = st_ignore;
+            parse_error = true;
+        }
+    } else if (state == st_object_top) {
+        if (object_stack.size() == 0) {
+            throw std::logic_error("no object on stack in st_object_top");
+        }
+        auto tos = object_stack.back();
+        QPDFObjectHandle replacement;
+        if (key == "value") {
+            // Don't use nestedState since this can have any type.
+            this->saw_value = true;
+            next_state = st_object;
+            replacement = makeObject(value);
+            replaceObject(tos, replacement, value);
+        } else if (key == "stream") {
+            this->saw_stream = true;
+            nestedState(key, value, st_stream);
+            this->this_stream_needs_data = false;
+            if (tos.isStream()) {
+                QTC::TC("qpdf", "QPDF_json updating existing stream");
+            } else {
+                this->this_stream_needs_data = true;
+                replacement = pdf.reserveStream(tos.getObjGen());
+                replaceObject(tos, replacement, value);
+            }
+        } else {
+            // Ignore unknown keys for forward compatibility
+            QTC::TC("qpdf", "QPDF_json ignore unknown key in object_top");
+            next_state = st_ignore;
+        }
+        if (replacement.isInitialized()) {
+            object_stack.pop_back();
+            object_stack.push_back(replacement);
+        }
+    } else if (state == st_trailer) {
+        if (key == "value") {
+            this->saw_value = true;
+            // The trailer must be a dictionary, so we can use nestedState.
+            nestedState("trailer.value", value, st_object);
+            this->pdf.m->trailer = makeObject(value);
+            setObjectDescription(this->pdf.m->trailer, value);
+        } else if (key == "stream") {
+            // Don't need to set saw_stream here since there's already
+            // an error.
+            QTC::TC("qpdf", "QPDF_json trailer stream");
+            error(value.getStart(), "the trailer may not be a stream");
+            next_state = st_ignore;
+            parse_error = true;
+        } else {
+            // Ignore unknown keys for forward compatibility
+            QTC::TC("qpdf", "QPDF_json ignore unknown key in trailer");
+            next_state = st_ignore;
+        }
+    } else if (state == st_stream) {
+        if (object_stack.size() == 0) {
+            throw std::logic_error("no object on stack in st_stream");
+        }
+        auto tos = object_stack.back();
+        if (!tos.isStream()) {
+            throw std::logic_error("top of stack is not stream in st_stream");
+        }
+        auto uninitialized = QPDFObjectHandle();
+        if (key == "dict") {
+            this->saw_dict = true;
+            // Since a stream dictionary must be a dictionary, we can
+            // use nestedState to transition to st_value.
+            nestedState("stream.dict", value, st_object);
+            auto dict = makeObject(value);
+            if (dict.isDictionary()) {
+                tos.replaceDict(dict);
+            } else {
+                // An error had already been given by nestedState
+                QTC::TC("qpdf", "QPDF_json stream dict not dict");
+                parse_error = true;
+            }
+        } else if (key == "data") {
+            this->saw_data = true;
+            std::string v;
+            if (!value.getString(v)) {
+                error(value.getStart(), "\"stream.data\" must be a string");
+            } else {
+                // The range includes the quotes.
+                auto start = value.getStart() + 1;
+                auto end = value.getEnd() - 1;
+                if (end < start) {
+                    throw std::logic_error("QPDF_json: JSON string length < 0");
+                }
+                tos.replaceStreamData(
+                    provide_data(is, start, end), uninitialized, uninitialized);
+            }
+        } else if (key == "datafile") {
+            this->saw_datafile = true;
+            std::string filename;
+            if (value.getString(filename)) {
+                tos.replaceStreamData(
+                    QUtil::file_provider(filename),
+                    uninitialized,
+                    uninitialized);
+            } else {
+                error(
+                    value.getStart(),
+                    "\"stream.datafile\" must be a string containing a file "
+                    "name");
+            }
+        } else {
+            // Ignore unknown keys for forward compatibility.
+            QTC::TC("qpdf", "QPDF_json ignore unknown key in stream");
+            next_state = st_ignore;
+        }
+    } else if (state == st_object) {
+        if (!parse_error) {
+            auto dict = object_stack.back();
+            if (dict.isStream()) {
+                dict = dict.getDict();
+            }
+            dict.replaceKey(key, makeObject(value));
+        }
+    } else {
+        throw std::logic_error(
+            "QPDF_json: unknown state " + QUtil::int_to_string(state));
+    }
+    return true;
+}
+
+bool
+QPDF::JSONReactor::arrayItem(JSON const& value)
+{
+    if (state == st_qpdf) {
+        if (!this->saw_qpdf_meta) {
+            this->saw_qpdf_meta = true;
+            nestedState("qpdf0", value, st_qpdf_meta);
+        } else if (!this->saw_objects) {
+            this->saw_objects = true;
+            nestedState("qpdf1", value, st_objects);
+        } else {
+            QTC::TC("qpdf", "QPDF_json more than two qpdf elements");
+            error(value.getStart(), "\"qpdf\" must have two elements");
+            next_state = st_ignore;
+            parse_error = true;
+        }
+    }
+    if (state == st_object) {
+        if (!parse_error) {
+            auto tos = object_stack.back();
+            tos.appendItem(makeObject(value));
+        }
+    }
+    return true;
+}
+
+void
+QPDF::JSONReactor::setObjectDescription(QPDFObjectHandle& oh, JSON const& value)
+{
+    std::string description = this->is->getName();
+    if (!this->cur_object.empty()) {
+        description += ", " + this->cur_object;
+    }
+    description += " at offset " + QUtil::int_to_string(value.getStart());
+    oh.setObjectDescription(&this->pdf, description);
+}
+
+QPDFObjectHandle
+QPDF::JSONReactor::makeObject(JSON const& value)
+{
+    QPDFObjectHandle result;
+    std::string str_v;
+    bool bool_v = false;
+    if (value.isDictionary()) {
+        result = QPDFObjectHandle::newDictionary();
+        object_stack.push_back(result);
+    } else if (value.isArray()) {
+        result = QPDFObjectHandle::newArray();
+        object_stack.push_back(result);
+    } else if (value.isNull()) {
+        result = QPDFObjectHandle::newNull();
+    } else if (value.getBool(bool_v)) {
+        result = QPDFObjectHandle::newBool(bool_v);
+    } else if (value.getNumber(str_v)) {
+        if (QUtil::is_long_long(str_v.c_str())) {
+            result = QPDFObjectHandle::newInteger(
+                QUtil::string_to_ll(str_v.c_str()));
+        } else {
+            result = QPDFObjectHandle::newReal(str_v);
+        }
+    } else if (value.getString(str_v)) {
+        int obj = 0;
+        int gen = 0;
+        std::string str;
+        if (is_indirect_object(str_v, obj, gen)) {
+            result = reserveObject(obj, gen);
+        } else if (is_unicode_string(str_v, str)) {
+            result = QPDFObjectHandle::newUnicodeString(str);
+        } else if (is_binary_string(str_v, str)) {
+            result = QPDFObjectHandle::newString(QUtil::hex_decode(str));
+        } else if (is_name(str_v)) {
+            result = QPDFObjectHandle::newName(str_v);
+        } else {
+            QTC::TC("qpdf", "QPDF_json unrecognized string value");
+            error(value.getStart(), "unrecognized string value");
+            result = QPDFObjectHandle::newNull();
+        }
+    }
+    if (!result.isInitialized()) {
+        throw std::logic_error(
+            "JSONReactor::makeObject didn't initialize the object");
+    }
+
+    if (!result.hasObjectDescription()) {
+        setObjectDescription(result, value);
+    }
+    return result;
+}
+
+void
+QPDF::createFromJSON(std::string const& json_file)
+{
+    createFromJSON(std::make_shared<FileInputSource>(json_file.c_str()));
+}
+
+void
+QPDF::createFromJSON(std::shared_ptr<InputSource> is)
+{
+    processMemoryFile(is->getName().c_str(), JSON_PDF, strlen(JSON_PDF));
+    importJSON(is, true);
+}
+
+void
+QPDF::updateFromJSON(std::string const& json_file)
+{
+    updateFromJSON(std::make_shared<FileInputSource>(json_file.c_str()));
+}
+
+void
+QPDF::updateFromJSON(std::shared_ptr<InputSource> is)
+{
+    importJSON(is, false);
+}
+
+void
+QPDF::importJSON(std::shared_ptr<InputSource> is, bool must_be_complete)
+{
+    JSONReactor reactor(*this, is, must_be_complete);
+    try {
+        JSON::parse(*is, &reactor);
+    } catch (std::runtime_error& e) {
+        throw std::runtime_error(is->getName() + ": " + e.what());
+    }
+    if (reactor.anyErrors()) {
+        throw std::runtime_error(is->getName() + ": errors found in JSON");
+    }
+}
+
+void
+QPDF::writeJSONStream(
+    int version,
+    Pipeline* p,
+    bool& first,
+    std::string const& key,
+    QPDFObjectHandle& obj,
+    qpdf_stream_decode_level_e decode_level,
+    qpdf_json_stream_data_e json_stream_data,
+    std::string const& file_prefix)
+{
+    Pipeline* stream_p = nullptr;
+    FILE* f = nullptr;
+    std::shared_ptr<Pl_StdioFile> f_pl;
+    std::string filename;
+    if (json_stream_data == qpdf_sj_file) {
+        filename = file_prefix + "-" + QUtil::int_to_string(obj.getObjectID());
+        f = QUtil::safe_fopen(filename.c_str(), "wb");
+        f_pl = std::make_shared<Pl_StdioFile>("stream data", f);
+        stream_p = f_pl.get();
+    }
+    auto j = JSON::makeDictionary();
+    j.addDictionaryMember(
+        "stream",
+        obj.getStreamJSON(
+            version, json_stream_data, decode_level, stream_p, filename));
+
+    JSON::writeDictionaryItem(p, first, key, j, 3);
+    if (f) {
+        f_pl->finish();
+        f_pl = nullptr;
+        fclose(f);
+    }
+}
+
+void
+QPDF::writeJSONObject(
+    int version,
+    Pipeline* p,
+    bool& first,
+    std::string const& key,
+    QPDFObjectHandle& obj)
+{
+    auto j = JSON::makeDictionary();
+    j.addDictionaryMember("value", obj.getJSON(version, true));
+    JSON::writeDictionaryItem(p, first, key, j, 3);
+}
+
+void
+QPDF::writeJSON(
+    int version,
+    Pipeline* p,
+    qpdf_stream_decode_level_e decode_level,
+    qpdf_json_stream_data_e json_stream_data,
+    std::string const& file_prefix,
+    std::set<std::string> wanted_objects)
+{
+    bool first = true;
+    writeJSON(
+        version,
+        p,
+        true,
+        first,
+        decode_level,
+        json_stream_data,
+        file_prefix,
+        wanted_objects);
+}
+
+void
+QPDF::writeJSON(
+    int version,
+    Pipeline* p,
+    bool complete,
+    bool& first_key,
+    qpdf_stream_decode_level_e decode_level,
+    qpdf_json_stream_data_e json_stream_data,
+    std::string const& file_prefix,
+    std::set<std::string> wanted_objects)
+{
+    int const depth_outer = 1;
+    int const depth_top = 1;
+    int const depth_qpdf = 2;
+    int const depth_qpdf_inner = 3;
+
+    if (version != 2) {
+        throw std::runtime_error(
+            "QPDF::writeJSON: only version 2 is supported");
+    }
+    bool first = true;
+    if (complete) {
+        JSON::writeDictionaryOpen(p, first, depth_outer);
+    } else {
+        first = first_key;
+    }
+    JSON::writeDictionaryKey(p, first, "qpdf", depth_top);
+    bool first_qpdf = true;
+    JSON::writeArrayOpen(p, first_qpdf, depth_top);
+    JSON::writeNext(p, first_qpdf, depth_qpdf);
+    bool first_qpdf_inner = true;
+    JSON::writeDictionaryOpen(p, first_qpdf_inner, depth_qpdf);
+    JSON::writeDictionaryItem(
+        p,
+        first_qpdf_inner,
+        "jsonversion",
+        JSON::makeInt(version),
+        depth_qpdf_inner);
+    JSON::writeDictionaryItem(
+        p,
+        first_qpdf_inner,
+        "pdfversion",
+        JSON::makeString(getPDFVersion()),
+        depth_qpdf_inner);
+    JSON::writeDictionaryItem(
+        p,
+        first_qpdf_inner,
+        "pushedinheritedpageresources",
+        JSON::makeBool(everPushedInheritedAttributesToPages()),
+        depth_qpdf_inner);
+    JSON::writeDictionaryItem(
+        p,
+        first_qpdf_inner,
+        "calledgetallpages",
+        JSON::makeBool(everCalledGetAllPages()),
+        depth_qpdf_inner);
+    JSON::writeDictionaryItem(
+        p,
+        first_qpdf_inner,
+        "maxobjectid",
+        JSON::makeInt(QIntC::to_longlong(getObjectCount())),
+        depth_qpdf_inner);
+    JSON::writeDictionaryClose(p, first_qpdf_inner, depth_qpdf);
+    JSON::writeNext(p, first_qpdf, depth_qpdf);
+    JSON::writeDictionaryOpen(p, first_qpdf_inner, depth_qpdf);
+    bool all_objects = wanted_objects.empty();
+    for (auto& obj: getAllObjects()) {
+        std::string key = "obj:" + obj.unparse();
+        if (all_objects || wanted_objects.count(key)) {
+            if (obj.isStream()) {
+                writeJSONStream(
+                    version,
+                    p,
+                    first_qpdf_inner,
+                    key,
+                    obj,
+                    decode_level,
+                    json_stream_data,
+                    file_prefix);
+            } else {
+                writeJSONObject(version, p, first_qpdf_inner, key, obj);
+            }
+        }
+    }
+    if (all_objects || wanted_objects.count("trailer")) {
+        auto trailer = getTrailer();
+        writeJSONObject(version, p, first_qpdf_inner, "trailer", trailer);
+    }
+    JSON::writeDictionaryClose(p, first_qpdf_inner, depth_qpdf);
+    JSON::writeArrayClose(p, first_qpdf, depth_top);
+    if (complete) {
+        JSON::writeDictionaryClose(p, first, 0);
+        *p << "\n";
+        p->finish();
+    }
+    first_key = false;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_linearization.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_linearization.cc Changed

@@ -2,40 +2,41 @@
 
 #include <qpdf/QPDF.hh>
 
+#include <qpdf/BitStream.hh>
+#include <qpdf/BitWriter.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_Count.hh>
+#include <qpdf/Pl_Flate.hh>
 #include <qpdf/QPDFExc.hh>
+#include <qpdf/QPDFLogger.hh>
 #include <qpdf/QTC.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/Pl_Buffer.hh>
-#include <qpdf/Pl_Flate.hh>
-#include <qpdf/Pl_Count.hh>
-#include <qpdf/BitWriter.hh>
-#include <qpdf/BitStream.hh>
 
-#include <iostream>
 #include <algorithm>
-#include <assert.h>
+#include <iostream>
 #include <math.h>
 #include <string.h>
 
 template <class T, class int_type>
 static void
-load_vector_int(BitStream& bit_stream, int nitems, std::vector<T>& vec,
-		int bits_wanted, int_type T::*field)
+load_vector_int(
+    BitStream& bit_stream,
+    int nitems,
+    std::vector<T>& vec,
+    int bits_wanted,
+    int_type T::*field)
 {
     bool append = vec.empty();
     // nitems times, read bits_wanted from the given bit stream,
     // storing results in the ith vector entry.
 
-    for (int i = 0; i < nitems; ++i)
-    {
-        if (append)
-        {
+    for (size_t i = 0; i < QIntC::to_size(nitems); ++i) {
+        if (append) {
             vec.push_back(T());
         }
-	vec.at(i).*field = bit_stream.getBits(bits_wanted);
+        vec.at(i).*field = bit_stream.getBitsInt(QIntC::to_size(bits_wanted));
     }
-    if (static_cast<int>(vec.size()) != nitems)
-    {
+    if (QIntC::to_int(vec.size()) != nitems) {
         throw std::logic_error("vector has wrong size in load_vector_int");
     }
     // The PDF spec says that each hint table starts at a byte
@@ -45,18 +46,21 @@
 
 template <class T>
 static void
-load_vector_vector(BitStream& bit_stream,
-		   int nitems1, std::vector<T>& vec1, int T::*nitems2,
-		   int bits_wanted, std::vector<int> T::*vec2)
+load_vector_vector(
+    BitStream& bit_stream,
+    int nitems1,
+    std::vector<T>& vec1,
+    int T::*nitems2,
+    int bits_wanted,
+    std::vector<int> T::*vec2)
 {
     // nitems1 times, read nitems2 (from the ith element of vec1) items
     // into the vec2 vector field of the ith item of vec1.
-    for (int i1 = 0; i1 < nitems1; ++i1)
-    {
-	for (int i2 = 0; i2 < vec1.at(i1).*nitems2; ++i2)
-	{
-	    (vec1.at(i1).*vec2).push_back(bit_stream.getBits(bits_wanted));
-	}
+    for (size_t i1 = 0; i1 < QIntC::to_size(nitems1); ++i1) {
+        for (int i2 = 0; i2 < vec1.at(i1).*nitems2; ++i2) {
+            (vec1.at(i1).*vec2)
+                .push_back(bit_stream.getBitsInt(QIntC::to_size(bits_wanted)));
+        }
     }
     bit_stream.skipToNextByte();
 }
@@ -65,14 +69,13 @@
 QPDF::checkLinearization()
 {
     bool result = false;
-    try
-    {
-	readLinearizationData();
-	result = checkLinearizationInternal();
-    }
-    catch (QPDFExc& e)
-    {
-	*this->m->out_stream << e.what() << std::endl;
+    try {
+        readLinearizationData();
+        result = checkLinearizationInternal();
+    } catch (std::runtime_error& e) {
+        *this->m->log->getError()
+            << "WARNING: error encountered while checking linearization data: "
+            << e.what() << "\n";
     }
     return result;
 }
@@ -94,30 +97,26 @@
     // Add a byte for a null terminator.
     static int const tbuf_size = 1025;
 
-    char* buf = new chartbuf_size;
+    auto b = std::make_unique<char>(tbuf_size);
+    char* buf = b.get();
     this->m->file->seek(0, SEEK_SET);
-    PointerHolder<char> b(true, buf);
     memset(buf, '\0', tbuf_size);
     this->m->file->read(buf, tbuf_size - 1);
 
     int lindict_obj = -1;
     char* p = buf;
-    while (lindict_obj == -1)
-    {
+    while (lindict_obj == -1) {
         // Find a digit or end of buffer
-        while (((p - buf) < tbuf_size) && (! QUtil::is_digit(*p)))
-        {
+        while (((p - buf) < tbuf_size) && (!QUtil::is_digit(*p))) {
             ++p;
         }
-        if (p - buf == tbuf_size)
-        {
+        if (p - buf == tbuf_size) {
             break;
         }
         // Seek to the digit. Then skip over digits for a potential
         // next iteration.
         this->m->file->seek(p - buf, SEEK_SET);
-        while (((p - buf) < tbuf_size) && QUtil::is_digit(*p))
-        {
+        while (((p - buf) < tbuf_size) && QUtil::is_digit(*p)) {
             ++p;
         }
 
@@ -128,46 +127,37 @@
         if ((t1.getType() == QPDFTokenizer::tt_integer) &&
             (t2.getType() == QPDFTokenizer::tt_integer) &&
             (t3 == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "obj")) &&
-            (t4.getType() == QPDFTokenizer::tt_dict_open))
-        {
-	    lindict_obj =
-                static_cast<int>(QUtil::string_to_ll(t1.getValue().c_str()));
-	}
+            (t4.getType() == QPDFTokenizer::tt_dict_open)) {
+            lindict_obj =
+                QIntC::to_int(QUtil::string_to_ll(t1.getValue().c_str()));
+        }
     }
 
-    if (lindict_obj <= 0)
-    {
-	return false;
+    if (lindict_obj <= 0) {
+        return false;
     }
 
-    QPDFObjectHandle candidate = QPDFObjectHandle::Factory::newIndirect(
-	this, lindict_obj, 0);
-    if (! candidate.isDictionary())
-    {
-	return false;
+    auto candidate = getObjectByID(lindict_obj, 0);
+    if (!candidate.isDictionary()) {
+        return false;
     }
 
     QPDFObjectHandle linkey = candidate.getKey("/Linearized");
-    if (! (linkey.isNumber() &&
-           (static_cast<int>(floor(linkey.getNumericValue())) == 1)))
-    {
-	return false;
+    if (!(linkey.isNumber() &&
+          (QIntC::to_int(floor(linkey.getNumericValue())) == 1))) {
+        return false;
     }
 
     QPDFObjectHandle L = candidate.getKey("/L");
-    if (L.isInteger())
-    {
-	qpdf_offset_t Li = L.getIntValue();
-	this->m->file->seek(0, SEEK_END);
-	if (Li != this->m->file->tell())
-	{
-	    QTC::TC("qpdf", "QPDF /L mismatch");
-	    return false;
-	}
-	else
-	{
-	    this->m->linp.file_size = Li;
-	}
+    if (L.isInteger()) {
+        qpdf_offset_t Li = L.getIntValue();
+        this->m->file->seek(0, SEEK_END);
+        if (Li != this->m->file->tell()) {
+            QTC::TC("qpdf", "QPDF /L mismatch");
+            return false;
+        } else {
+            this->m->linp.file_size = Li;
+        }
     }
 
     this->m->lindict = candidate;
@@ -181,13 +171,9 @@
     // This function throws an exception (which is trapped by
     // checkLinearization()) for any errors that prevent loading.
 
-    // Hint table parsing code needs at least 32 bits in a long.
-    assert(sizeof(long) >= 4);
-
-    if (! isLinearized())
-    {
-	throw std::logic_error("called readLinearizationData for file"
-			       " that is not linearized");
+    if (!isLinearized()) {
+        throw std::logic_error("called readLinearizationData for file"
+                               " that is not linearized");
     }
 
     // /L is read and stored in linp by isLinearized()
@@ -198,45 +184,41 @@
     QPDFObjectHandle T = this->m->lindict.getKey("/T");
     QPDFObjectHandle P = this->m->lindict.getKey("/P");
 
-    if (! (H.isArray() &&
-	   O.isInteger() &&
-	   E.isInteger() &&
-	   N.isInteger() &&
-	   T.isInteger() &&
-	   (P.isInteger() || P.isNull())))
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "linearization dictionary",
-		      this->m->file->getLastOffset(),
-		      "some keys in linearization dictionary are of "
-		      "the wrong type");
+    if (!(H.isArray() && O.isInteger() && E.isInteger() && N.isInteger() &&
+          T.isInteger() && (P.isInteger() || P.isNull()))) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "linearization dictionary",
+            this->m->file->getLastOffset(),
+            "some keys in linearization dictionary are of "
+            "the wrong type");
     }
 
     // Hint table array: offset length  offset length 
-    unsigned int n_H_items = H.getArrayNItems();
-    if (! ((n_H_items == 2) || (n_H_items == 4)))
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "linearization dictionary",
-		      this->m->file->getLastOffset(),
-		      "H has the wrong number of items");
+    size_t n_H_items = toS(H.getArrayNItems());
+    if (!((n_H_items == 2) || (n_H_items == 4))) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "linearization dictionary",
+            this->m->file->getLastOffset(),
+            "H has the wrong number of items");
     }
 
     std::vector<int> H_items;
-    for (unsigned int i = 0; i < n_H_items; ++i)
-    {
-	QPDFObjectHandle oh(H.getArrayItem(i));
-	if (oh.isInteger())
-	{
-	    H_items.push_back(oh.getIntValue());
-	}
-	else
-	{
-	    throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-			  "linearization dictionary",
-			  this->m->file->getLastOffset(),
-			  "some H items are of the wrong type");
-	}
+    for (size_t i = 0; i < n_H_items; ++i) {
+        QPDFObjectHandle oh(H.getArrayItem(toI(i)));
+        if (oh.isInteger()) {
+            H_items.push_back(oh.getIntValueAsInt());
+        } else {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "linearization dictionary",
+                this->m->file->getLastOffset(),
+                "some H items are of the wrong type");
+        }
     }
 
     // H: hint table offset/length for primary and overflow hint tables
@@ -244,25 +226,21 @@
     int H0_length = H_items.at(1);
     int H1_offset = 0;
     int H1_length = 0;
-    if (H_items.size() == 4)
-    {
-	// Acrobat doesn't read or write these (as PDF 1.4), so we
-	// don't have a way to generate a test case.
-	// QTC::TC("qpdf", "QPDF overflow hint table");
-	H1_offset = H_items.at(2);
-	H1_length = H_items.at(3);
+    if (H_items.size() == 4) {
+        // Acrobat doesn't read or write these (as PDF 1.4), so we
+        // don't have a way to generate a test case.
+        // QTC::TC("qpdf", "QPDF overflow hint table");
+        H1_offset = H_items.at(2);
+        H1_length = H_items.at(3);
     }
 
     // P: first page number
     int first_page = 0;
-    if (P.isInteger())
-    {
-	QTC::TC("qpdf", "QPDF P present in lindict");
-	first_page = P.getIntValue();
-    }
-    else
-    {
-	QTC::TC("qpdf", "QPDF P absent in lindict");
+    if (P.isInteger()) {
+        QTC::TC("qpdf", "QPDF P present in lindict");
+        first_page = P.getIntValueAsInt();
+    } else {
+        QTC::TC("qpdf", "QPDF P absent in lindict");
     }
 
     // Store linearization parameter data
@@ -270,18 +248,19 @@
     // Various places in the code use linp.npages, which is
     // initialized from N, to pre-allocate memory, so make sure it's
     // accurate and bail right now if it's not.
-    if (N.getIntValue() != static_cast<long long>(getAllPages().size()))
-    {
-        throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                      "linearization hint table",
-                      this->m->file->getLastOffset(),
-                      "/N does not match number of pages");
+    if (N.getIntValue() != static_cast<long long>(getAllPages().size())) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "linearization hint table",
+            this->m->file->getLastOffset(),
+            "/N does not match number of pages");
     }
 
     // file_size initialized by isLinearized()
-    this->m->linp.first_page_object = O.getIntValue();
+    this->m->linp.first_page_object = O.getIntValueAsInt();
     this->m->linp.first_page_end = E.getIntValue();
-    this->m->linp.npages = N.getIntValue();
+    this->m->linp.npages = N.getIntValueAsInt();
     this->m->linp.xref_zero_offset = T.getIntValue();
     this->m->linp.first_page = first_page;
     this->m->linp.H_offset = H0_offset;
@@ -290,10 +269,9 @@
     // Read hint streams
 
     Pl_Buffer pb("hint buffer");
-    QPDFObjectHandle H0 = readHintStream(pb, H0_offset, H0_length);
-    if (H1_offset)
-    {
-	(void) readHintStream(pb, H1_offset, H1_length);
+    QPDFObjectHandle H0 = readHintStream(pb, H0_offset, toS(H0_length));
+    if (H1_offset) {
+        (void)readHintStream(pb, H1_offset, toS(H1_length));
     }
 
     // PDF 1.4 hint tables that we ignore:
@@ -310,54 +288,55 @@
     QPDFObjectHandle HS = H0.getKey("/S"); // shared object
     QPDFObjectHandle HO = H0.getKey("/O"); // outline
 
-    PointerHolder<Buffer> hbp = pb.getBuffer();
-    Buffer* hb = hbp.getPointer();
+    auto hbp = pb.getBufferSharedPointer();
+    Buffer* hb = hbp.get();
     unsigned char const* h_buf = hb->getBuffer();
-    int h_size = hb->getSize();
+    size_t h_size = hb->getSize();
 
     readHPageOffset(BitStream(h_buf, h_size));
 
-    int HSi = HS.getIntValue();
-    if ((HSi < 0) || (HSi >= h_size))
-    {
-        throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                      "linearization hint table",
-                      this->m->file->getLastOffset(),
-                      "/S (shared object) offset is out of bounds");
-    }
-    readHSharedObject(BitStream(h_buf + HSi, h_size - HSi));
-
-    if (HO.isInteger())
-    {
-	int HOi = HO.getIntValue();
-        if ((HOi < 0) || (HOi >= h_size))
-        {
-            throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-                          "linearization hint table",
-                          this->m->file->getLastOffset(),
-                          "/O (outline) offset is out of bounds");
+    int HSi = HS.getIntValueAsInt();
+    if ((HSi < 0) || (toS(HSi) >= h_size)) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "linearization hint table",
+            this->m->file->getLastOffset(),
+            "/S (shared object) offset is out of bounds");
+    }
+    readHSharedObject(BitStream(h_buf + HSi, h_size - toS(HSi)));
+
+    if (HO.isInteger()) {
+        int HOi = HO.getIntValueAsInt();
+        if ((HOi < 0) || (toS(HOi) >= h_size)) {
+            throw QPDFExc(
+                qpdf_e_damaged_pdf,
+                this->m->file->getName(),
+                "linearization hint table",
+                this->m->file->getLastOffset(),
+                "/O (outline) offset is out of bounds");
         }
-	readHGeneric(BitStream(h_buf + HOi, h_size - HOi),
-		     this->m->outline_hints);
+        readHGeneric(
+            BitStream(h_buf + HOi, h_size - toS(HOi)), this->m->outline_hints);
     }
 }
 
 QPDFObjectHandle
 QPDF::readHintStream(Pipeline& pl, qpdf_offset_t offset, size_t length)
 {
-    int obj;
-    int gen;
+    QPDFObjGen og;
     QPDFObjectHandle H = readObjectAtOffset(
-	false, offset, "linearization hint stream", -1, 0, obj, gen);
-    ObjCache& oc = this->m->obj_cacheQPDFObjGen(obj, gen);
+        false, offset, "linearization hint stream", QPDFObjGen(0, 0), og);
+    ObjCache& oc = this->m->obj_cacheog;
     qpdf_offset_t min_end_offset = oc.end_before_space;
     qpdf_offset_t max_end_offset = oc.end_after_space;
-    if (! H.isStream())
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "linearization dictionary",
-		      this->m->file->getLastOffset(),
-		      "hint table is not a stream");
+    if (!H.isStream()) {
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "linearization dictionary",
+            this->m->file->getLastOffset(),
+            "hint table is not a stream");
     }
 
     QPDFObjectHandle Hdict = H.getDict();
@@ -368,30 +347,27 @@
     // linearization parameter dictionary must be direct.  We have to
     // get the file position of the end of length in this case.
     QPDFObjectHandle length_obj = Hdict.getKey("/Length");
-    if (length_obj.isIndirect())
-    {
-	QTC::TC("qpdf", "QPDF hint table length indirect");
-	// Force resolution
-	(void) length_obj.getIntValue();
-	ObjCache& oc = this->m->obj_cachelength_obj.getObjGen();
-	min_end_offset = oc.end_before_space;
-	max_end_offset = oc.end_after_space;
-    }
-    else
-    {
-	QTC::TC("qpdf", "QPDF hint table length direct");
-    }
-    qpdf_offset_t computed_end = offset + length;
-    if ((computed_end < min_end_offset) ||
-	(computed_end > max_end_offset))
-    {
-	*this->m->out_stream << "expected = " << computed_end
-                             << "; actual = " << min_end_offset << ".."
-                             << max_end_offset << std::endl;
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      "linearization dictionary",
-		      this->m->file->getLastOffset(),
-		      "hint table length mismatch");
+    if (length_obj.isIndirect()) {
+        QTC::TC("qpdf", "QPDF hint table length indirect");
+        // Force resolution
+        (void)length_obj.getIntValue();
+        ObjCache& oc2 = this->m->obj_cachelength_obj.getObjGen();
+        min_end_offset = oc2.end_before_space;
+        max_end_offset = oc2.end_after_space;
+    } else {
+        QTC::TC("qpdf", "QPDF hint table length direct");
+    }
+    qpdf_offset_t computed_end = offset + toO(length);
+    if ((computed_end < min_end_offset) || (computed_end > max_end_offset)) {
+        *this->m->log->getError()
+            << "expected = " << computed_end << "; actual = " << min_end_offset
+            << ".." << max_end_offset << "\n";
+        throw QPDFExc(
+            qpdf_e_damaged_pdf,
+            this->m->file->getName(),
+            "linearization dictionary",
+            this->m->file->getLastOffset(),
+            "hint table length mismatch");
     }
     H.pipeStreamData(&pl, 0, qpdf_dl_specialized);
     return Hdict;
@@ -405,46 +381,67 @@
 
     HPageOffset& t = this->m->page_offset_hints;
 
-    t.min_nobjects = h.getBits(32);		  	    // 1
-    t.first_page_offset = h.getBits(32);		    // 2
-    t.nbits_delta_nobjects = h.getBits(16);		    // 3
-    t.min_page_length = h.getBits(32);			    // 4
-    t.nbits_delta_page_length = h.getBits(16);		    // 5
-    t.min_content_offset = h.getBits(32);		    // 6
-    t.nbits_delta_content_offset = h.getBits(16);	    // 7
-    t.min_content_length = h.getBits(32);		    // 8
-    t.nbits_delta_content_length = h.getBits(16);	    // 9
-    t.nbits_nshared_objects = h.getBits(16);		    // 10
-    t.nbits_shared_identifier = h.getBits(16);		    // 11
-    t.nbits_shared_numerator = h.getBits(16);		    // 12
-    t.shared_denominator = h.getBits(16);		    // 13
+    t.min_nobjects = h.getBitsInt(32);               // 1
+    t.first_page_offset = h.getBitsInt(32);          // 2
+    t.nbits_delta_nobjects = h.getBitsInt(16);       // 3
+    t.min_page_length = h.getBitsInt(32);            // 4
+    t.nbits_delta_page_length = h.getBitsInt(16);    // 5
+    t.min_content_offset = h.getBitsInt(32);         // 6
+    t.nbits_delta_content_offset = h.getBitsInt(16); // 7
+    t.min_content_length = h.getBitsInt(32);         // 8
+    t.nbits_delta_content_length = h.getBitsInt(16); // 9
+    t.nbits_nshared_objects = h.getBitsInt(16);      // 10
+    t.nbits_shared_identifier = h.getBitsInt(16);    // 11
+    t.nbits_shared_numerator = h.getBitsInt(16);     // 12
+    t.shared_denominator = h.getBitsInt(16);         // 13
 
     std::vector<HPageOffsetEntry>& entries = t.entries;
     entries.clear();
-    unsigned int nitems = this->m->linp.npages;
-    load_vector_int(h, nitems, entries,
-		    t.nbits_delta_nobjects,
-		    &HPageOffsetEntry::delta_nobjects);
-    load_vector_int(h, nitems, entries,
-		    t.nbits_delta_page_length,
-		    &HPageOffsetEntry::delta_page_length);
-    load_vector_int(h, nitems, entries,
-		    t.nbits_nshared_objects,
-		    &HPageOffsetEntry::nshared_objects);
-    load_vector_vector(h, nitems, entries,
-		       &HPageOffsetEntry::nshared_objects,
-		       t.nbits_shared_identifier,
-		       &HPageOffsetEntry::shared_identifiers);
-    load_vector_vector(h, nitems, entries,
-		       &HPageOffsetEntry::nshared_objects,
-		       t.nbits_shared_numerator,
-		       &HPageOffsetEntry::shared_numerators);
-    load_vector_int(h, nitems, entries,
-		    t.nbits_delta_content_offset,
-		    &HPageOffsetEntry::delta_content_offset);
-    load_vector_int(h, nitems, entries,
-		    t.nbits_delta_content_length,
-		    &HPageOffsetEntry::delta_content_length);
+    int nitems = this->m->linp.npages;
+    load_vector_int(
+        h,
+        nitems,
+        entries,
+        t.nbits_delta_nobjects,
+        &HPageOffsetEntry::delta_nobjects);
+    load_vector_int(
+        h,
+        nitems,
+        entries,
+        t.nbits_delta_page_length,
+        &HPageOffsetEntry::delta_page_length);
+    load_vector_int(
+        h,
+        nitems,
+        entries,
+        t.nbits_nshared_objects,
+        &HPageOffsetEntry::nshared_objects);
+    load_vector_vector(
+        h,
+        nitems,
+        entries,
+        &HPageOffsetEntry::nshared_objects,
+        t.nbits_shared_identifier,
+        &HPageOffsetEntry::shared_identifiers);
+    load_vector_vector(
+        h,
+        nitems,
+        entries,
+        &HPageOffsetEntry::nshared_objects,
+        t.nbits_shared_numerator,
+        &HPageOffsetEntry::shared_numerators);
+    load_vector_int(
+        h,
+        nitems,
+        entries,
+        t.nbits_delta_content_offset,
+        &HPageOffsetEntry::delta_content_offset);
+    load_vector_int(
+        h,
+        nitems,
+        entries,
+        t.nbits_delta_content_length,
+        &HPageOffsetEntry::delta_content_length);
 }
 
 void
@@ -452,50 +449,55 @@
 {
     HSharedObject& t = this->m->shared_object_hints;
 
-    t.first_shared_obj = h.getBits(32);			    // 1
-    t.first_shared_offset = h.getBits(32);		    // 2
-    t.nshared_first_page = h.getBits(32);		    // 3
-    t.nshared_total = h.getBits(32);			    // 4
-    t.nbits_nobjects = h.getBits(16);			    // 5
-    t.min_group_length = h.getBits(32);			    // 6
-    t.nbits_delta_group_length = h.getBits(16);		    // 7
+    t.first_shared_obj = h.getBitsInt(32);         // 1
+    t.first_shared_offset = h.getBitsInt(32);      // 2
+    t.nshared_first_page = h.getBitsInt(32);       // 3
+    t.nshared_total = h.getBitsInt(32);            // 4
+    t.nbits_nobjects = h.getBitsInt(16);           // 5
+    t.min_group_length = h.getBitsInt(32);         // 6
+    t.nbits_delta_group_length = h.getBitsInt(16); // 7
 
-    QTC::TC("qpdf", "QPDF lin nshared_total > nshared_first_page",
-	    (t.nshared_total > t.nshared_first_page) ? 1 : 0);
+    QTC::TC(
+        "qpdf",
+        "QPDF lin nshared_total > nshared_first_page",
+        (t.nshared_total > t.nshared_first_page) ? 1 : 0);
 
     std::vector<HSharedObjectEntry>& entries = t.entries;
     entries.clear();
     int nitems = t.nshared_total;
-    load_vector_int(h, nitems, entries,
-		    t.nbits_delta_group_length,
-		    &HSharedObjectEntry::delta_group_length);
-    load_vector_int(h, nitems, entries,
-		    1, &HSharedObjectEntry::signature_present);
-    for (int i = 0; i < nitems; ++i)
-    {
-	if (entries.at(i).signature_present)
-	{
-	    // Skip 128-bit MD5 hash.  These are not supported by
-	    // acrobat, so they should probably never be there.  We
-	    // have no test case for this.
-	    for (int j = 0; j < 4; ++j)
-	    {
-		(void) h.getBits(32);
-	    }
-	}
-    }
-    load_vector_int(h, nitems, entries,
-		    t.nbits_nobjects,
-		    &HSharedObjectEntry::nobjects_minus_one);
+    load_vector_int(
+        h,
+        nitems,
+        entries,
+        t.nbits_delta_group_length,
+        &HSharedObjectEntry::delta_group_length);
+    load_vector_int(
+        h, nitems, entries, 1, &HSharedObjectEntry::signature_present);
+    for (size_t i = 0; i < toS(nitems); ++i) {
+        if (entries.at(i).signature_present) {
+            // Skip 128-bit MD5 hash.  These are not supported by
+            // acrobat, so they should probably never be there.  We
+            // have no test case for this.
+            for (int j = 0; j < 4; ++j) {
+                (void)h.getBits(32);
+            }
+        }
+    }
+    load_vector_int(
+        h,
+        nitems,
+        entries,
+        t.nbits_nobjects,
+        &HSharedObjectEntry::nobjects_minus_one);
 }
 
 void
 QPDF::readHGeneric(BitStream h, HGeneric& t)
 {
-    t.first_object = h.getBits(32);			    // 1
-    t.first_object_offset = h.getBits(32);		    // 2
-    t.nobjects = h.getBits(32);				    // 3
-    t.group_length = h.getBits(32);			    // 4
+    t.first_object = h.getBitsInt(32);        // 1
+    t.first_object_offset = h.getBitsInt(32); // 2
+    t.nobjects = h.getBitsInt(32);            // 3
+    t.group_length = h.getBitsInt(32);        // 4
 }
 
 bool
@@ -515,51 +517,45 @@
 
     // O: object number of first page
     std::vector<QPDFObjectHandle> const& pages = getAllPages();
-    if (p.first_page_object != pages.at(0).getObjectID())
-    {
-	QTC::TC("qpdf", "QPDF err /O mismatch");
-	errors.push_back("first page object (/O) mismatch");
+    if (p.first_page_object != pages.at(0).getObjectID()) {
+        QTC::TC("qpdf", "QPDF err /O mismatch");
+        errors.push_back("first page object (/O) mismatch");
     }
 
     // N: number of pages
-    int npages = pages.size();
-    if (p.npages != npages)
-    {
-	// Not tested in the test suite
-	errors.push_back("page count (/N) mismatch");
-    }
-
-    for (int i = 0; i < npages; ++i)
-    {
-	QPDFObjectHandle const& page = pages.at(i);
-	QPDFObjGen og(page.getObjGen());
-	if (this->m->xref_tableog.getType() == 2)
-	{
-	    errors.push_back("page dictionary for page " +
-			     QUtil::int_to_string(i) + " is compressed");
-	}
+    int npages = toI(pages.size());
+    if (p.npages != npages) {
+        // Not tested in the test suite
+        errors.push_back("page count (/N) mismatch");
+    }
+
+    for (size_t i = 0; i < toS(npages); ++i) {
+        QPDFObjectHandle const& page = pages.at(i);
+        QPDFObjGen og(page.getObjGen());
+        if (this->m->xref_tableog.getType() == 2) {
+            errors.push_back(
+                "page dictionary for page " + QUtil::uint_to_string(i) +
+                " is compressed");
+        }
     }
 
     // T: offset of whitespace character preceding xref entry for object 0
     this->m->file->seek(p.xref_zero_offset, SEEK_SET);
-    while (1)
-    {
-	char ch;
-	this->m->file->read(&ch, 1);
-	if (! ((ch == ' ') || (ch == '\r') || (ch == '\n')))
-	{
-	    this->m->file->seek(-1, SEEK_CUR);
-	    break;
-	}
-    }
-    if (this->m->file->tell() != this->m->first_xref_item_offset)
-    {
-	QTC::TC("qpdf", "QPDF err /T mismatch");
-	errors.push_back("space before first xref item (/T) mismatch "
-			 "(computed = " +
-			 QUtil::int_to_string(this->m->first_xref_item_offset) +
-			 "; file = " +
-			 QUtil::int_to_string(this->m->file->tell()));
+    while (true) {
+        char ch;
+        this->m->file->read(&ch, 1);
+        if (!((ch == ' ') || (ch == '\r') || (ch == '\n'))) {
+            this->m->file->seek(-1, SEEK_CUR);
+            break;
+        }
+    }
+    if (this->m->file->tell() != this->m->first_xref_item_offset) {
+        QTC::TC("qpdf", "QPDF err /T mismatch");
+        errors.push_back(
+            "space before first xref item (/T) mismatch "
+            "(computed = " +
+            QUtil::int_to_string(this->m->first_xref_item_offset) +
+            "; file = " + QUtil::int_to_string(this->m->file->tell()));
     }
 
     // P: first page number -- Implementation note 124 says Acrobat
@@ -570,10 +566,9 @@
     // at the end of the containing xref section if any object streams
     // are in use.
 
-    if (this->m->uncompressed_after_compressed)
-    {
-	errors.push_back("linearized file contains an uncompressed object"
-			 " after a compressed one in a cross-reference stream");
+    if (this->m->uncompressed_after_compressed) {
+        errors.push_back("linearized file contains an uncompressed object"
+                         " after a compressed one in a cross-reference stream");
     }
 
     // Further checking requires optimization and order calculation.
@@ -582,20 +577,16 @@
     // figure out which objects are compressed and which are
     // uncompressed.
     { // local scope
-	std::map<int, int> object_stream_data;
-	for (std::map<QPDFObjGen, QPDFXRefEntry>::const_iterator iter =
-		 this->m->xref_table.begin();
-	     iter != this->m->xref_table.end(); ++iter)
-	{
-	    QPDFObjGen const& og = (*iter).first;
-	    QPDFXRefEntry const& entry = (*iter).second;
-	    if (entry.getType() == 2)
-	    {
-		object_stream_dataog.getObj() = entry.getObjStreamNumber();
-	    }
-	}
-	optimize(object_stream_data, false);
-	calculateLinearizationData(object_stream_data);
+        std::map<int, int> object_stream_data;
+        for (auto const& iter: this->m->xref_table) {
+            QPDFObjGen const& og = iter.first;
+            QPDFXRefEntry const& entry = iter.second;
+            if (entry.getType() == 2) {
+                object_stream_dataog.getObj() = entry.getObjStreamNumber();
+            }
+        }
+        optimize(object_stream_data, false);
+        calculateLinearizationData(object_stream_data);
     }
 
     // E: offset of end of first page -- Implementation note 123 says
@@ -609,33 +600,27 @@
     // agree with pdlin.  As of this writing, the test suite doesn't
     // contain any files with threads.
 
-    if (this->m->part6.empty())
-    {
-        throw std::logic_error("linearization part 6 unexpectedly empty");
+    if (this->m->part6.empty()) {
+        stopOnError("linearization part 6 unexpectedly empty");
     }
     qpdf_offset_t min_E = -1;
     qpdf_offset_t max_E = -1;
-    for (std::vector<QPDFObjectHandle>::iterator iter = this->m->part6.begin();
-	 iter != this->m->part6.end(); ++iter)
-    {
-	QPDFObjGen og((*iter).getObjGen());
-	if (this->m->obj_cache.count(og) == 0)
-        {
+    for (auto const& oh: this->m->part6) {
+        QPDFObjGen og(oh.getObjGen());
+        if (this->m->obj_cache.count(og) == 0) {
             // All objects have to have been dereferenced to be classified.
             throw std::logic_error("linearization part6 object not in cache");
         }
-	ObjCache const& oc = this->m->obj_cacheog;
-	min_E = std::max(min_E, oc.end_before_space);
-	max_E = std::max(max_E, oc.end_after_space);
+        ObjCache const& oc = this->m->obj_cacheog;
+        min_E = std::max(min_E, oc.end_before_space);
+        max_E = std::max(max_E, oc.end_after_space);
     }
-    if ((p.first_page_end < min_E) || (p.first_page_end > max_E))
-    {
-	QTC::TC("qpdf", "QPDF warn /E mismatch");
-	warnings.push_back("end of first page section (/E) mismatch: /E = " +
-			   QUtil::int_to_string(p.first_page_end) +
-			   "; computed = " +
-			   QUtil::int_to_string(min_E) + ".." +
-			   QUtil::int_to_string(max_E));
+    if ((p.first_page_end < min_E) || (p.first_page_end > max_E)) {
+        QTC::TC("qpdf", "QPDF warn /E mismatch");
+        warnings.push_back(
+            "end of first page section (/E) mismatch: /E = " +
+            QUtil::int_to_string(p.first_page_end) + "; computed = " +
+            QUtil::int_to_string(min_E) + ".." + QUtil::int_to_string(max_E));
     }
 
     // Check hint tables
@@ -649,24 +634,23 @@
 
     bool result = true;
 
-    if (! errors.empty())
-    {
-	result = false;
-	for (std::list<std::string>::iterator iter = errors.begin();
-	     iter != errors.end(); ++iter)
-	{
-	    *this->m->out_stream << "ERROR: " << (*iter) << std::endl;
-	}
+    // Treat all linearization errors as warnings. Many of them occur
+    // in otherwise working files, so it's really misleading to treat
+    // them as errors. We'll hang onto the distinction in the code for
+    // now in case we ever have a chance to clean up the linearization
+    // code.
+    if (!errors.empty()) {
+        result = false;
+        for (auto const& error: errors) {
+            *this->m->log->getError() << "WARNING: " << error << "\n";
+        }
     }
 
-    if (! warnings.empty())
-    {
-	result = false;
-	for (std::list<std::string>::iterator iter = warnings.begin();
-	     iter != warnings.end(); ++iter)
-	{
-	    *this->m->out_stream << "WARNING: " << (*iter) << std::endl;
-	}
+    if (!warnings.empty()) {
+        result = false;
+        for (auto const& warning: warnings) {
+            *this->m->log->getError() << "WARNING: " << warning << "\n";
+        }
     }
 
     return result;
@@ -675,21 +659,15 @@
 qpdf_offset_t
 QPDF::maxEnd(ObjUser const& ou)
 {
-    if (this->m->obj_user_to_objects.count(ou) == 0)
-    {
+    if (this->m->obj_user_to_objects.count(ou) == 0) {
         stopOnError("no entry in object user table for requested object user");
     }
-    std::set<QPDFObjGen> const& ogs = this->m->obj_user_to_objectsou;
     qpdf_offset_t end = 0;
-    for (std::set<QPDFObjGen>::const_iterator iter = ogs.begin();
-	 iter != ogs.end(); ++iter)
-    {
-	QPDFObjGen const& og = *iter;
-	if (this->m->obj_cache.count(og) == 0)
-        {
+    for (auto const& og: this->m->obj_user_to_objectsou) {
+        if (this->m->obj_cache.count(og) == 0) {
             stopOnError("unknown object referenced in object user table");
         }
-	end = std::max(end, this->m->obj_cacheog.end_after_space);
+        end = std::max(end, this->m->obj_cacheog.end_after_space);
     }
     return end;
 }
@@ -699,75 +677,67 @@
 {
     QPDFXRefEntry entry = this->m->xref_tableog;
     qpdf_offset_t result = 0;
-    switch (entry.getType())
-    {
-      case 1:
-	result = entry.getOffset();
-	break;
-
-      case 2:
-	// For compressed objects, return the offset of the object
-	// stream that contains them.
-	result = getLinearizationOffset(
-            QPDFObjGen(entry.getObjStreamNumber(), 0));
-	break;
-
-      default:
-	throw std::logic_error(
-	    "getLinearizationOffset called for xref entry not of type 1 or 2");
-	break;
+    switch (entry.getType()) {
+    case 1:
+        result = entry.getOffset();
+        break;
+
+    case 2:
+        // For compressed objects, return the offset of the object
+        // stream that contains them.
+        result =
+            getLinearizationOffset(QPDFObjGen(entry.getObjStreamNumber(), 0));
+        break;
+
+    default:
+        stopOnError(
+            "getLinearizationOffset called for xref entry not of type 1 or 2");
+        break;
     }
     return result;
 }
 
 QPDFObjectHandle
-QPDF::getUncompressedObject(QPDFObjectHandle& obj,
-			    std::map<int, int> const& object_stream_data)
+QPDF::getUncompressedObject(
+    QPDFObjectHandle& obj, std::map<int, int> const& object_stream_data)
 {
-    if (obj.isNull() || (object_stream_data.count(obj.getObjectID()) == 0))
-    {
-	return obj;
-    }
-    else
-    {
-	int repl = (*(object_stream_data.find(obj.getObjectID()))).second;
-	return objGenToIndirect(QPDFObjGen(repl, 0));
+    if (obj.isNull() || (object_stream_data.count(obj.getObjectID()) == 0)) {
+        return obj;
+    } else {
+        int repl = (*(object_stream_data.find(obj.getObjectID()))).second;
+        return getObject(repl, 0);
     }
 }
 
 int
-QPDF::lengthNextN(int first_object, int n,
-		  std::list<std::string>& errors)
+QPDF::lengthNextN(int first_object, int n, std::list<std::string>& errors)
 {
     int length = 0;
-    for (int i = 0; i < n; ++i)
-    {
-	QPDFObjGen og(first_object + i, 0);
-	if (this->m->xref_table.count(og) == 0)
-	{
-	    errors.push_back(
-		"no xref table entry for " +
-		QUtil::int_to_string(first_object + i) + " 0");
-	}
-	else
-	{
-	    if (this->m->obj_cache.count(og) == 0)
-            {
+    for (int i = 0; i < n; ++i) {
+        QPDFObjGen og(first_object + i, 0);
+        if (this->m->xref_table.count(og) == 0) {
+            errors.push_back(
+                "no xref table entry for " +
+                QUtil::int_to_string(first_object + i) + " 0");
+        } else {
+            if (this->m->obj_cache.count(og) == 0) {
                 stopOnError("found unknown object while"
                             " calculating length for linearization data");
             }
-	    length += this->m->obj_cacheog.end_after_space -
-		getLinearizationOffset(og);
-	}
+            length +=
+                toI(this->m->obj_cacheog.end_after_space -
+                    getLinearizationOffset(og));
+        }
     }
     return length;
 }
 
 void
-QPDF::checkHPageOffset(std::list<std::string>& errors,
-		       std::list<std::string>& warnings,
-		       std::vector<QPDFObjectHandle> const& pages,
-		       std::map<int, int>& shared_idx_to_obj)
+QPDF::checkHPageOffset(
+    std::list<std::string>& errors,
+    std::list<std::string>& warnings,
+    std::vector<QPDFObjectHandle> const& pages,
+    std::map<int, int>& shared_idx_to_obj)
 {
     // Implementation note 126 says Acrobat always sets
     // delta_content_offset and delta_content_length in the page
@@ -786,133 +756,117 @@
     // under a page's /Resources dictionary in with shared objects
     // even when they are private.
 
-    unsigned int npages = pages.size();
-    int table_offset = adjusted_offset(
-	this->m->page_offset_hints.first_page_offset);
+    int npages = toI(pages.size());
+    qpdf_offset_t table_offset =
+        adjusted_offset(this->m->page_offset_hints.first_page_offset);
     QPDFObjGen first_page_og(pages.at(0).getObjGen());
-    if (this->m->xref_table.count(first_page_og) == 0)
-    {
+    if (this->m->xref_table.count(first_page_og) == 0) {
         stopOnError("supposed first page object is not known");
     }
     qpdf_offset_t offset = getLinearizationOffset(first_page_og);
-    if (table_offset != offset)
-    {
-	warnings.push_back("first page object offset mismatch");
+    if (table_offset != offset) {
+        warnings.push_back("first page object offset mismatch");
     }
 
-    for (unsigned int pageno = 0; pageno < npages; ++pageno)
-    {
-	QPDFObjGen page_og(pages.at(pageno).getObjGen());
-	int first_object = page_og.getObj();
-	if (this->m->xref_table.count(page_og) == 0)
-        {
+    for (int pageno = 0; pageno < npages; ++pageno) {
+        QPDFObjGen page_og(pages.at(toS(pageno)).getObjGen());
+        int first_object = page_og.getObj();
+        if (this->m->xref_table.count(page_og) == 0) {
             stopOnError("unknown object in page offset hint table");
         }
-	offset = getLinearizationOffset(page_og);
-
-	HPageOffsetEntry& he = this->m->page_offset_hints.entries.at(pageno);
-	CHPageOffsetEntry& ce = this->m->c_page_offset_data.entries.at(pageno);
-	int h_nobjects = he.delta_nobjects +
-	    this->m->page_offset_hints.min_nobjects;
-	if (h_nobjects != ce.nobjects)
-	{
-	    // This happens with pdlin when there are thumbnails.
-	    warnings.push_back(
-		"object count mismatch for page " +
-		QUtil::int_to_string(pageno) + ": hint table = " +
-		QUtil::int_to_string(h_nobjects) + "; computed = " +
-		QUtil::int_to_string(ce.nobjects));
-	}
-
-	// Use value for number of objects in hint table rather than
-	// computed value if there is a discrepancy.
-	int length = lengthNextN(first_object, h_nobjects, errors);
-	int h_length = he.delta_page_length +
-	    this->m->page_offset_hints.min_page_length;
-	if (length != h_length)
-	{
-	    // This condition almost certainly indicates a bad hint
-	    // table or a bug in this code.
-	    errors.push_back(
-		"page length mismatch for page " +
-		QUtil::int_to_string(pageno) + ": hint table = " +
-		QUtil::int_to_string(h_length) + "; computed length = " +
-		QUtil::int_to_string(length) + " (offset = " +
-		QUtil::int_to_string(offset) + ")");
-	}
-
-	offset += h_length;
-
-	// Translate shared object indexes to object numbers.
-	std::set<int> hint_shared;
-	std::set<int> computed_shared;
-
-	if ((pageno == 0) && (he.nshared_objects > 0))
-	{
-	    // pdlin and Acrobat both do this even though the spec
-	    // states clearly and unambiguously that they should not.
-	    warnings.push_back("page 0 has shared identifier entries");
-	}
-
-	for (int i = 0; i < he.nshared_objects; ++i)
-	{
-	    int idx = he.shared_identifiers.at(i);
-	    if (shared_idx_to_obj.count(idx) == 0)
-            {
-                throw std::logic_error(
-                    "unable to get object for item in"
-                    " shared objects hint table");
+        offset = getLinearizationOffset(page_og);
+
+        HPageOffsetEntry& he =
+            this->m->page_offset_hints.entries.at(toS(pageno));
+        CHPageOffsetEntry& ce =
+            this->m->c_page_offset_data.entries.at(toS(pageno));
+        int h_nobjects =
+            he.delta_nobjects + this->m->page_offset_hints.min_nobjects;
+        if (h_nobjects != ce.nobjects) {
+            // This happens with pdlin when there are thumbnails.
+            warnings.push_back(
+                "object count mismatch for page " +
+                QUtil::int_to_string(pageno) +
+                ": hint table = " + QUtil::int_to_string(h_nobjects) +
+                "; computed = " + QUtil::int_to_string(ce.nobjects));
+        }
+
+        // Use value for number of objects in hint table rather than
+        // computed value if there is a discrepancy.
+        int length = lengthNextN(first_object, h_nobjects, errors);
+        int h_length = toI(
+            he.delta_page_length + this->m->page_offset_hints.min_page_length);
+        if (length != h_length) {
+            // This condition almost certainly indicates a bad hint
+            // table or a bug in this code.
+            errors.push_back(
+                "page length mismatch for page " +
+                QUtil::int_to_string(pageno) +
+                ": hint table = " + QUtil::int_to_string(h_length) +
+                "; computed length = " + QUtil::int_to_string(length) +
+                " (offset = " + QUtil::int_to_string(offset) + ")");
+        }
+
+        offset += h_length;
+
+        // Translate shared object indexes to object numbers.
+        std::set<int> hint_shared;
+        std::set<int> computed_shared;
+
+        if ((pageno == 0) && (he.nshared_objects > 0)) {
+            // pdlin and Acrobat both do this even though the spec
+            // states clearly and unambiguously that they should not.
+            warnings.push_back("page 0 has shared identifier entries");
+        }
+
+        for (size_t i = 0; i < toS(he.nshared_objects); ++i) {
+            int idx = he.shared_identifiers.at(i);
+            if (shared_idx_to_obj.count(idx) == 0) {
+                stopOnError("unable to get object for item in"
+                            " shared objects hint table");
+            }
+            hint_shared.insert(shared_idx_to_objidx);
+        }
+
+        for (size_t i = 0; i < toS(ce.nshared_objects); ++i) {
+            int idx = ce.shared_identifiers.at(i);
+            if (idx >= this->m->c_shared_object_data.nshared_total) {
+                stopOnError("index out of bounds for shared object hint table");
             }
-	    hint_shared.insert(shared_idx_to_objidx);
-	}
-
-	for (int i = 0; i < ce.nshared_objects; ++i)
-	{
-	    int idx = ce.shared_identifiers.at(i);
-	    if (idx >= this->m->c_shared_object_data.nshared_total)
-            {
-                throw std::logic_error(
-                    "index out of bounds for shared object hint table");
+            int obj = this->m->c_shared_object_data.entries.at(toS(idx)).object;
+            computed_shared.insert(obj);
+        }
+
+        for (int iter: hint_shared) {
+            if (!computed_shared.count(iter)) {
+                // pdlin puts thumbnails here even though it shouldn't
+                warnings.push_back(
+                    "page " + QUtil::int_to_string(pageno) +
+                    ": shared object " + QUtil::int_to_string(iter) +
+                    ": in hint table but not computed list");
+            }
+        }
+
+        for (int iter: computed_shared) {
+            if (!hint_shared.count(iter)) {
+                // Acrobat does not put some things including at least
+                // built-in fonts and procsets here, at least in some
+                // cases.
+                warnings.push_back(
+                    "page " + QUtil::int_to_string(pageno) +
+                    ": shared object " + QUtil::int_to_string(iter) +
+                    ": in computed list but not hint table");
             }
-	    int obj = this->m->c_shared_object_data.entries.at(idx).object;
-	    computed_shared.insert(obj);
-	}
-
-	for (std::set<int>::iterator iter = hint_shared.begin();
-	     iter != hint_shared.end(); ++iter)
-	{
-	    if (! computed_shared.count(*iter))
-	    {
-		// pdlin puts thumbnails here even though it shouldn't
-		warnings.push_back(
-		    "page " + QUtil::int_to_string(pageno) +
-		    ": shared object " + QUtil::int_to_string(*iter) +
-		    ": in hint table but not computed list");
-	    }
-	}
-
-	for (std::set<int>::iterator iter = computed_shared.begin();
-	     iter != computed_shared.end(); ++iter)
-	{
-	    if (! hint_shared.count(*iter))
-	    {
-		// Acrobat does not put some things including at least
-		// built-in fonts and procsets here, at least in some
-		// cases.
-		warnings.push_back(
-		    "page " + QUtil::int_to_string(pageno) +
-		    ": shared object " + QUtil::int_to_string(*iter) +
-		    ": in computed list but not hint table");
-	    }
-	}
+        }
     }
 }
 
 void
-QPDF::checkHSharedObject(std::list<std::string>& errors,
-			 std::list<std::string>& warnings,
-			 std::vector<QPDFObjectHandle> const& pages,
-			 std::map<int, int>& idx_to_obj)
+QPDF::checkHSharedObject(
+    std::list<std::string>& errors,
+    std::list<std::string>& warnings,
+    std::vector<QPDFObjectHandle> const& pages,
+    std::map<int, int>& idx_to_obj)
 {
     // Implementation note 125 says shared object groups always
     // contain only one object.  Implementation note 128 says that
@@ -933,74 +887,61 @@
     // the first page (i.e., nshared_total == nshared_first_page).
 
     HSharedObject& so = this->m->shared_object_hints;
-    if (so.nshared_total < so.nshared_first_page)
-    {
-	errors.push_back("shared object hint table: ntotal < nfirst_page");
-    }
-    else
-    {
-	// The first nshared_first_page objects are consecutive
-	// objects starting with the first page object.  The rest are
-	// consecutive starting from the first_shared_obj object.
-	int cur_object = pages.at(0).getObjectID();
-	for (int i = 0; i < so.nshared_total; ++i)
-	{
-	    if (i == so.nshared_first_page)
-	    {
-		QTC::TC("qpdf", "QPDF lin check shared past first page");
-		if (this->m->part8.empty())
-		{
-		    errors.push_back(
-			"part 8 is empty but nshared_total > "
-			"nshared_first_page");
-		}
-		else
-		{
-		    int obj = this->m->part8.at(0).getObjectID();
-		    if (obj != so.first_shared_obj)
-		    {
-			errors.push_back(
-			    "first shared object number mismatch: "
-			    "hint table = " +
-			    QUtil::int_to_string(so.first_shared_obj) +
-			    "; computed = " +
-			    QUtil::int_to_string(obj));
-		    }
-		}
-
-		cur_object = so.first_shared_obj;
-
-		QPDFObjGen og(cur_object, 0);
-		if (this->m->xref_table.count(og) == 0)
-                {
+    if (so.nshared_total < so.nshared_first_page) {
+        errors.push_back("shared object hint table: ntotal < nfirst_page");
+    } else {
+        // The first nshared_first_page objects are consecutive
+        // objects starting with the first page object.  The rest are
+        // consecutive starting from the first_shared_obj object.
+        int cur_object = pages.at(0).getObjectID();
+        for (int i = 0; i < so.nshared_total; ++i) {
+            if (i == so.nshared_first_page) {
+                QTC::TC("qpdf", "QPDF lin check shared past first page");
+                if (this->m->part8.empty()) {
+                    errors.push_back("part 8 is empty but nshared_total > "
+                                     "nshared_first_page");
+                } else {
+                    int obj = this->m->part8.at(0).getObjectID();
+                    if (obj != so.first_shared_obj) {
+                        errors.push_back(
+                            "first shared object number mismatch: "
+                            "hint table = " +
+                            QUtil::int_to_string(so.first_shared_obj) +
+                            "; computed = " + QUtil::int_to_string(obj));
+                    }
+                }
+
+                cur_object = so.first_shared_obj;
+
+                QPDFObjGen og(cur_object, 0);
+                if (this->m->xref_table.count(og) == 0) {
                     stopOnError("unknown object in shared object hint table");
                 }
-		int offset = getLinearizationOffset(og);
-		int h_offset = adjusted_offset(so.first_shared_offset);
-		if (offset != h_offset)
-		{
-		    errors.push_back(
-			"first shared object offset mismatch: hint table = " +
-			QUtil::int_to_string(h_offset) + "; computed = " +
-			QUtil::int_to_string(offset));
-		}
-	    }
-
-	    idx_to_obji = cur_object;
-	    HSharedObjectEntry& se = so.entries.at(i);
-	    int nobjects = se.nobjects_minus_one + 1;
-	    int length = lengthNextN(cur_object, nobjects, errors);
-	    int h_length = so.min_group_length + se.delta_group_length;
-	    if (length != h_length)
-	    {
-		errors.push_back(
-		    "shared object " + QUtil::int_to_string(i) +
-		    " length mismatch: hint table = " +
-		    QUtil::int_to_string(h_length) + "; computed = " +
-		    QUtil::int_to_string(length));
-	    }
-	    cur_object += nobjects;
-	}
+                qpdf_offset_t offset = getLinearizationOffset(og);
+                qpdf_offset_t h_offset =
+                    adjusted_offset(so.first_shared_offset);
+                if (offset != h_offset) {
+                    errors.push_back(
+                        "first shared object offset mismatch: hint table = " +
+                        QUtil::int_to_string(h_offset) +
+                        "; computed = " + QUtil::int_to_string(offset));
+                }
+            }
+
+            idx_to_obji = cur_object;
+            HSharedObjectEntry& se = so.entries.at(toS(i));
+            int nobjects = se.nobjects_minus_one + 1;
+            int length = lengthNextN(cur_object, nobjects, errors);
+            int h_length = so.min_group_length + se.delta_group_length;
+            if (length != h_length) {
+                errors.push_back(
+                    "shared object " + QUtil::int_to_string(i) +
+                    " length mismatch: hint table = " +
+                    QUtil::int_to_string(h_length) +
+                    "; computed = " + QUtil::int_to_string(length));
+            }
+            cur_object += nobjects;
+        }
     }
 }
 
@@ -1015,183 +956,146 @@
     // wrong starting place).  pdlin appears to generate correct
     // values in those cases.
 
-    if (this->m->c_outline_data.nobjects == this->m->outline_hints.nobjects)
-    {
-	if (this->m->c_outline_data.nobjects == 0)
-	{
-	    return;
-	}
-
-	if (this->m->c_outline_data.first_object ==
-	    this->m->outline_hints.first_object)
-	{
-	    // Check length and offset.  Acrobat gets these wrong.
-	    QPDFObjectHandle outlines = getRoot().getKey("/Outlines");
-            if (! outlines.isIndirect())
-            {
+    if (this->m->c_outline_data.nobjects == this->m->outline_hints.nobjects) {
+        if (this->m->c_outline_data.nobjects == 0) {
+            return;
+        }
+
+        if (this->m->c_outline_data.first_object ==
+            this->m->outline_hints.first_object) {
+            // Check length and offset.  Acrobat gets these wrong.
+            QPDFObjectHandle outlines = getRoot().getKey("/Outlines");
+            if (!outlines.isIndirect()) {
                 // This case is not exercised in test suite since not
                 // permitted by the spec, but if this does occur, the
                 // code below would fail.
-		warnings.push_back(
-		    "/Outlines key of root dictionary is not indirect");
+                warnings.push_back(
+                    "/Outlines key of root dictionary is not indirect");
                 return;
             }
-	    QPDFObjGen og(outlines.getObjGen());
-	    if (this->m->xref_table.count(og) == 0)
-            {
+            QPDFObjGen og(outlines.getObjGen());
+            if (this->m->xref_table.count(og) == 0) {
                 stopOnError("unknown object in outlines hint table");
             }
-	    int offset = getLinearizationOffset(og);
-	    ObjUser ou(ObjUser::ou_root_key, "/Outlines");
-	    int length = maxEnd(ou) - offset;
-	    int table_offset =
-		adjusted_offset(this->m->outline_hints.first_object_offset);
-	    if (offset != table_offset)
-	    {
-		warnings.push_back(
-		    "incorrect offset in outlines table: hint table = " +
-		    QUtil::int_to_string(table_offset) +
-		    "; computed = " + QUtil::int_to_string(offset));
-	    }
-	    int table_length = this->m->outline_hints.group_length;
-	    if (length != table_length)
-	    {
-		warnings.push_back(
-		    "incorrect length in outlines table: hint table = " +
-		    QUtil::int_to_string(table_length) +
-		    "; computed = " + QUtil::int_to_string(length));
-	    }
-	}
-	else
-	{
-	    warnings.push_back("incorrect first object number in outline "
-			       "hints table.");
-	}
-    }
-    else
-    {
-	warnings.push_back("incorrect object count in outline hint table");
+            qpdf_offset_t offset = getLinearizationOffset(og);
+            ObjUser ou(ObjUser::ou_root_key, "/Outlines");
+            int length = toI(maxEnd(ou) - offset);
+            qpdf_offset_t table_offset =
+                adjusted_offset(this->m->outline_hints.first_object_offset);
+            if (offset != table_offset) {
+                warnings.push_back(
+                    "incorrect offset in outlines table: hint table = " +
+                    QUtil::int_to_string(table_offset) +
+                    "; computed = " + QUtil::int_to_string(offset));
+            }
+            int table_length = this->m->outline_hints.group_length;
+            if (length != table_length) {
+                warnings.push_back(
+                    "incorrect length in outlines table: hint table = " +
+                    QUtil::int_to_string(table_length) +
+                    "; computed = " + QUtil::int_to_string(length));
+            }
+        } else {
+            warnings.push_back("incorrect first object number in outline "
+                               "hints table.");
+        }
+    } else {
+        warnings.push_back("incorrect object count in outline hint table");
     }
 }
 
 void
 QPDF::showLinearizationData()
 {
-    try
-    {
-	readLinearizationData();
-	checkLinearizationInternal();
-	dumpLinearizationDataInternal();
-    }
-    catch (QPDFExc& e)
-    {
-	*this->m->out_stream << e.what() << std::endl;
+    try {
+        readLinearizationData();
+        checkLinearizationInternal();
+        dumpLinearizationDataInternal();
+    } catch (QPDFExc& e) {
+        *this->m->log->getError() << e.what() << "\n";
     }
 }
 
 void
 QPDF::dumpLinearizationDataInternal()
 {
-    *this->m->out_stream
-        << this->m->file->getName() << ": linearization data:" << std::endl
-        << std::endl;
-
-    *this->m->out_stream
-	<< "file_size: " << this->m->linp.file_size << std::endl
-	<< "first_page_object: " << this->m->linp.first_page_object << std::endl
-	<< "first_page_end: " << this->m->linp.first_page_end << std::endl
-	<< "npages: " << this->m->linp.npages << std::endl
-	<< "xref_zero_offset: " << this->m->linp.xref_zero_offset << std::endl
-	<< "first_page: " << this->m->linp.first_page << std::endl
-	<< "H_offset: " << this->m->linp.H_offset << std::endl
-	<< "H_length: " << this->m->linp.H_length << std::endl
-	<< std::endl;
-
-    *this->m->out_stream << "Page Offsets Hint Table" << std::endl
-                         << std::endl;
+    *this->m->log->getInfo()
+        << this->m->file->getName() << ": linearization data:\n\n";
+
+    *this->m->log->getInfo()
+        << "file_size: " << this->m->linp.file_size << "\n"
+        << "first_page_object: " << this->m->linp.first_page_object << "\n"
+        << "first_page_end: " << this->m->linp.first_page_end << "\n"
+        << "npages: " << this->m->linp.npages << "\n"
+        << "xref_zero_offset: " << this->m->linp.xref_zero_offset << "\n"
+        << "first_page: " << this->m->linp.first_page << "\n"
+        << "H_offset: " << this->m->linp.H_offset << "\n"
+        << "H_length: " << this->m->linp.H_length << "\n"
+        << "\n";
+
+    *this->m->log->getInfo() << "Page Offsets Hint Table\n\n";
     dumpHPageOffset();
-    *this->m->out_stream << std::endl
-                         << "Shared Objects Hint Table" << std::endl
-                         << std::endl;
+    *this->m->log->getInfo() << "\nShared Objects Hint Table\n\n";
     dumpHSharedObject();
 
-    if (this->m->outline_hints.nobjects > 0)
-    {
-	*this->m->out_stream << std::endl
-                             << "Outlines Hint Table" << std::endl
-                             << std::endl;
-	dumpHGeneric(this->m->outline_hints);
+    if (this->m->outline_hints.nobjects > 0) {
+        *this->m->log->getInfo() << "\nOutlines Hint Table\n\n";
+        dumpHGeneric(this->m->outline_hints);
     }
 }
 
-int
-QPDF::adjusted_offset(int offset)
+qpdf_offset_t
+QPDF::adjusted_offset(qpdf_offset_t offset)
 {
     // All offsets >= H_offset have to be increased by H_length
     // since all hint table location values disregard the hint table
     // itself.
-    if (offset >= this->m->linp.H_offset)
-    {
-	return offset + this->m->linp.H_length;
+    if (offset >= this->m->linp.H_offset) {
+        return offset + this->m->linp.H_length;
     }
     return offset;
 }
 
-
 void
 QPDF::dumpHPageOffset()
 {
     HPageOffset& t = this->m->page_offset_hints;
-    *this->m->out_stream
-	<< "min_nobjects: " << t.min_nobjects
-	<< std::endl
-	<< "first_page_offset: " << adjusted_offset(t.first_page_offset)
-	<< std::endl
-	<< "nbits_delta_nobjects: " << t.nbits_delta_nobjects
-	<< std::endl
-	<< "min_page_length: " << t.min_page_length
-	<< std::endl
-	<< "nbits_delta_page_length: " << t.nbits_delta_page_length
-	<< std::endl
-	<< "min_content_offset: " << t.min_content_offset
-	<< std::endl
-	<< "nbits_delta_content_offset: " << t.nbits_delta_content_offset
-	<< std::endl
-	<< "min_content_length: " << t.min_content_length
-	<< std::endl
-	<< "nbits_delta_content_length: " << t.nbits_delta_content_length
-	<< std::endl
-	<< "nbits_nshared_objects: " << t.nbits_nshared_objects
-	<< std::endl
-	<< "nbits_shared_identifier: " << t.nbits_shared_identifier
-	<< std::endl
-	<< "nbits_shared_numerator: " << t.nbits_shared_numerator
-	<< std::endl
-	<< "shared_denominator: " << t.shared_denominator
-	<< std::endl;
-
-    for (int i1 = 0; i1 < this->m->linp.npages; ++i1)
-    {
-	HPageOffsetEntry& pe = t.entries.at(i1);
-	*this->m->out_stream
-	    << "Page " << i1 << ":" << std::endl
-	    << "  nobjects: " << pe.delta_nobjects + t.min_nobjects
-	    << std::endl
-	    << "  length: " << pe.delta_page_length + t.min_page_length
-	    << std::endl
-	    // content offset is relative to page, not file
-	    << "  content_offset: "
-	    << pe.delta_content_offset + t.min_content_offset << std::endl
-	    << "  content_length: "
-	    << pe.delta_content_length + t.min_content_length << std::endl
-	    << "  nshared_objects: " << pe.nshared_objects << std::endl;
-	for (int i2 = 0; i2 < pe.nshared_objects; ++i2)
-	{
-	    *this->m->out_stream << "    identifier " << i2 << ": "
-                                 << pe.shared_identifiers.at(i2) << std::endl;
-	    *this->m->out_stream << "    numerator " << i2 << ": "
-                                 << pe.shared_numerators.at(i2) << std::endl;
-	}
+    *this->m->log->getInfo()
+        << "min_nobjects: " << t.min_nobjects << "\n"
+        << "first_page_offset: " << adjusted_offset(t.first_page_offset) << "\n"
+        << "nbits_delta_nobjects: " << t.nbits_delta_nobjects << "\n"
+        << "min_page_length: " << t.min_page_length << "\n"
+        << "nbits_delta_page_length: " << t.nbits_delta_page_length << "\n"
+        << "min_content_offset: " << t.min_content_offset << "\n"
+        << "nbits_delta_content_offset: " << t.nbits_delta_content_offset
+        << "\n"
+        << "min_content_length: " << t.min_content_length << "\n"
+        << "nbits_delta_content_length: " << t.nbits_delta_content_length
+        << "\n"
+        << "nbits_nshared_objects: " << t.nbits_nshared_objects << "\n"
+        << "nbits_shared_identifier: " << t.nbits_shared_identifier << "\n"
+        << "nbits_shared_numerator: " << t.nbits_shared_numerator << "\n"
+        << "shared_denominator: " << t.shared_denominator << "\n";
+
+    for (size_t i1 = 0; i1 < toS(this->m->linp.npages); ++i1) {
+        HPageOffsetEntry& pe = t.entries.at(i1);
+        *this->m->log->getInfo()
+            << "Page " << i1 << ":\n"
+            << "  nobjects: " << pe.delta_nobjects + t.min_nobjects << "\n"
+            << "  length: " << pe.delta_page_length + t.min_page_length
+            << "\n"
+            // content offset is relative to page, not file
+            << "  content_offset: "
+            << pe.delta_content_offset + t.min_content_offset << "\n"
+            << "  content_length: "
+            << pe.delta_content_length + t.min_content_length << "\n"
+            << "  nshared_objects: " << pe.nshared_objects << "\n";
+        for (size_t i2 = 0; i2 < toS(pe.nshared_objects); ++i2) {
+            *this->m->log->getInfo() << "    identifier " << i2 << ": "
+                                     << pe.shared_identifiers.at(i2) << "\n";
+            *this->m->log->getInfo() << "    numerator " << i2 << ": "
+                                     << pe.shared_numerators.at(i2) << "\n";
+        }
     }
 }
 
@@ -1199,61 +1103,43 @@
 QPDF::dumpHSharedObject()
 {
     HSharedObject& t = this->m->shared_object_hints;
-    *this->m->out_stream
-	<< "first_shared_obj: " << t.first_shared_obj
-	<< std::endl
-	<< "first_shared_offset: " << adjusted_offset(t.first_shared_offset)
-	<< std::endl
-	<< "nshared_first_page: " << t.nshared_first_page
-	<< std::endl
-	<< "nshared_total: " << t.nshared_total
-	<< std::endl
-	<< "nbits_nobjects: " << t.nbits_nobjects
-	<< std::endl
-	<< "min_group_length: " << t.min_group_length
-	<< std::endl
-	<< "nbits_delta_group_length: " << t.nbits_delta_group_length
-	<< std::endl;
-
-    for (int i = 0; i < t.nshared_total; ++i)
-    {
-	HSharedObjectEntry& se = t.entries.at(i);
-	*this->m->out_stream
-            << "Shared Object " << i << ":" << std::endl
-            << "  group length: "
-            << se.delta_group_length + t.min_group_length << std::endl;
-	// PDF spec says signature present nobjects_minus_one are
-	// always 0, so print them only if they have a non-zero value.
-	if (se.signature_present)
-	{
-	    *this->m->out_stream << "  signature present" << std::endl;
-	}
-	if (se.nobjects_minus_one != 0)
-	{
-	    *this->m->out_stream << "  nobjects: "
-                                 << se.nobjects_minus_one + 1 << std::endl;
-	}
+    *this->m->log->getInfo()
+        << "first_shared_obj: " << t.first_shared_obj << "\n"
+        << "first_shared_offset: " << adjusted_offset(t.first_shared_offset)
+        << "\n"
+        << "nshared_first_page: " << t.nshared_first_page << "\n"
+        << "nshared_total: " << t.nshared_total << "\n"
+        << "nbits_nobjects: " << t.nbits_nobjects << "\n"
+        << "min_group_length: " << t.min_group_length << "\n"
+        << "nbits_delta_group_length: " << t.nbits_delta_group_length << "\n";
+
+    for (size_t i = 0; i < toS(t.nshared_total); ++i) {
+        HSharedObjectEntry& se = t.entries.at(i);
+        *this->m->log->getInfo()
+            << "Shared Object " << i << ":\n"
+            << "  group length: " << se.delta_group_length + t.min_group_length
+            << "\n";
+        // PDF spec says signature present nobjects_minus_one are
+        // always 0, so print them only if they have a non-zero value.
+        if (se.signature_present) {
+            *this->m->log->getInfo() << "  signature present\n";
+        }
+        if (se.nobjects_minus_one != 0) {
+            *this->m->log->getInfo()
+                << "  nobjects: " << se.nobjects_minus_one + 1 << "\n";
+        }
     }
 }
 
 void
 QPDF::dumpHGeneric(HGeneric& t)
 {
-    *this->m->out_stream
-	<< "first_object: " << t.first_object
-	<< std::endl
-	<< "first_object_offset: " << adjusted_offset(t.first_object_offset)
-	<< std::endl
-	<< "nobjects: " << t.nobjects
-	<< std::endl
-	<< "group_length: " << t.group_length
-	<< std::endl;
-}
-
-QPDFObjectHandle
-QPDF::objGenToIndirect(QPDFObjGen const& og)
-{
-    return getObjectByID(og.getObj(), og.getGen());
+    *this->m->log->getInfo()
+        << "first_object: " << t.first_object << "\n"
+        << "first_object_offset: " << adjusted_offset(t.first_object_offset)
+        << "\n"
+        << "nobjects: " << t.nobjects << "\n"
+        << "group_length: " << t.group_length << "\n";
 }
 
 void
@@ -1266,13 +1152,12 @@
     // this function.  Note that actual offsets and lengths are not
     // computed here, but anything related to object ordering is.
 
-    if (this->m->object_to_obj_users.empty())
-    {
-	// Note that we can't call optimize here because we don't know
-	// whether it should be called with or without allow changes.
-	throw std::logic_error(
-	    "INTERNAL ERROR: QPDF::calculateLinearizationData "
-	    "called before optimize()");
+    if (this->m->object_to_obj_users.empty()) {
+        // Note that we can't call optimize here because we don't know
+        // whether it should be called with or without allow changes.
+        throw std::logic_error(
+            "INTERNAL ERROR: QPDF::calculateLinearizationData "
+            "called before optimize()");
     }
 
     // Separate objects into the categories sufficient for us to
@@ -1335,23 +1220,20 @@
     QPDFObjectHandle root = getRoot();
     bool outlines_in_first_page = false;
     QPDFObjectHandle pagemode = root.getKey("/PageMode");
-    QTC::TC("qpdf", "QPDF categorize pagemode present",
-	    pagemode.isName() ? 1 : 0);
-    if (pagemode.isName())
-    {
-	if (pagemode.getName() == "/UseOutlines")
-	{
-	    if (root.hasKey("/Outlines"))
-	    {
-		outlines_in_first_page = true;
-	    }
-	    else
-	    {
-		QTC::TC("qpdf", "QPDF UseOutlines but no Outlines");
-	    }
-	}
-	QTC::TC("qpdf", "QPDF categorize pagemode outlines",
-		outlines_in_first_page ? 1 : 0);
+    QTC::TC(
+        "qpdf", "QPDF categorize pagemode present", pagemode.isName() ? 1 : 0);
+    if (pagemode.isName()) {
+        if (pagemode.getName() == "/UseOutlines") {
+            if (root.hasKey("/Outlines")) {
+                outlines_in_first_page = true;
+            } else {
+                QTC::TC("qpdf", "QPDF UseOutlines but no Outlines");
+            }
+        }
+        QTC::TC(
+            "qpdf",
+            "QPDF categorize pagemode outlines",
+            outlines_in_first_page ? 1 : 0);
     }
 
     std::set<std::string> open_document_keys;
@@ -1372,122 +1254,84 @@
     std::set<QPDFObjGen> lc_outlines;
     std::set<QPDFObjGen> lc_root;
 
-    for (std::map<QPDFObjGen, std::set<ObjUser> >::iterator oiter =
-	     this->m->object_to_obj_users.begin();
-	 oiter != this->m->object_to_obj_users.end(); ++oiter)
-    {
-	QPDFObjGen const& og = (*oiter).first;
-
-	std::set<ObjUser>& ous = (*oiter).second;
-
-	bool in_open_document = false;
-	bool in_first_page = false;
-	int other_pages = 0;
-	int thumbs = 0;
-	int others = 0;
-	bool in_outlines = false;
-	bool is_root = false;
-
-	for (std::set<ObjUser>::iterator uiter = ous.begin();
-	     uiter != ous.end(); ++uiter)
-	{
-	    ObjUser const& ou = *uiter;
-	    switch (ou.ou_type)
-	    {
-	      case ObjUser::ou_trailer_key:
-		if (ou.key == "/Encrypt")
-		{
-		    in_open_document = true;
-		}
-		else
-		{
-		    ++others;
-		}
-		break;
-
-	      case ObjUser::ou_thumb:
-		++thumbs;
-		break;
-
-	      case ObjUser::ou_root_key:
-		if (open_document_keys.count(ou.key) > 0)
-		{
-		    in_open_document = true;
-		}
-		else if (ou.key == "/Outlines")
-		{
-		    in_outlines = true;
-		}
-		else
-		{
-		    ++others;
-		}
-		break;
-
-	      case ObjUser::ou_page:
-		if (ou.pageno == 0)
-		{
-		    in_first_page = true;
-		}
-		else
-		{
-		    ++other_pages;
-		}
-		break;
-
-	      case ObjUser::ou_root:
-		is_root = true;
-		break;
-
-	      case ObjUser::ou_bad:
-		throw std::logic_error(
-		    "INTERNAL ERROR: QPDF::calculateLinearizationData: "
-		    "invalid user type");
-		break;
-	    }
-	}
-
-	if (is_root)
-	{
-	    lc_root.insert(og);
-	}
-	else if (in_outlines)
-	{
-	    lc_outlines.insert(og);
-	}
-	else if (in_open_document)
-	{
-	    lc_open_document.insert(og);
-	}
-	else if ((in_first_page) &&
-		 (others == 0) && (other_pages == 0) && (thumbs == 0))
-	{
-	    lc_first_page_private.insert(og);
-	}
-	else if (in_first_page)
-	{
-	    lc_first_page_shared.insert(og);
-	}
-	else if ((other_pages == 1) && (others == 0) && (thumbs == 0))
-	{
-	    lc_other_page_private.insert(og);
-	}
-	else if (other_pages > 1)
-	{
-	    lc_other_page_shared.insert(og);
-	}
-	else if ((thumbs == 1) && (others == 0))
-	{
-	    lc_thumbnail_private.insert(og);
-	}
-	else if (thumbs > 1)
-	{
-	    lc_thumbnail_shared.insert(og);
-	}
-	else
-	{
-	    lc_other.insert(og);
-	}
+    for (auto& oiter: this->m->object_to_obj_users) {
+        QPDFObjGen const& og = oiter.first;
+        std::set<ObjUser>& ous = oiter.second;
+
+        bool in_open_document = false;
+        bool in_first_page = false;
+        int other_pages = 0;
+        int thumbs = 0;
+        int others = 0;
+        bool in_outlines = false;
+        bool is_root = false;
+
+        for (auto const& ou: ous) {
+            switch (ou.ou_type) {
+            case ObjUser::ou_trailer_key:
+                if (ou.key == "/Encrypt") {
+                    in_open_document = true;
+                } else {
+                    ++others;
+                }
+                break;
+
+            case ObjUser::ou_thumb:
+                ++thumbs;
+                break;
+
+            case ObjUser::ou_root_key:
+                if (open_document_keys.count(ou.key) > 0) {
+                    in_open_document = true;
+                } else if (ou.key == "/Outlines") {
+                    in_outlines = true;
+                } else {
+                    ++others;
+                }
+                break;
+
+            case ObjUser::ou_page:
+                if (ou.pageno == 0) {
+                    in_first_page = true;
+                } else {
+                    ++other_pages;
+                }
+                break;
+
+            case ObjUser::ou_root:
+                is_root = true;
+                break;
+
+            case ObjUser::ou_bad:
+                stopOnError("INTERNAL ERROR: QPDF::calculateLinearizationData: "
+                            "invalid user type");
+                break;
+            }
+        }
+
+        if (is_root) {
+            lc_root.insert(og);
+        } else if (in_outlines) {
+            lc_outlines.insert(og);
+        } else if (in_open_document) {
+            lc_open_document.insert(og);
+        } else if (
+            (in_first_page) && (others == 0) && (other_pages == 0) &&
+            (thumbs == 0)) {
+            lc_first_page_private.insert(og);
+        } else if (in_first_page) {
+            lc_first_page_shared.insert(og);
+        } else if ((other_pages == 1) && (others == 0) && (thumbs == 0)) {
+            lc_other_page_private.insert(og);
+        } else if (other_pages > 1) {
+            lc_other_page_shared.insert(og);
+        } else if ((thumbs == 1) && (others == 0)) {
+            lc_thumbnail_private.insert(og);
+        } else if (thumbs > 1) {
+            lc_thumbnail_shared.insert(og);
+        } else {
+            lc_other.insert(og);
+        }
     }
 
     // Generate ordering for objects in the output file.  Sometimes we
@@ -1507,16 +1351,13 @@
     // Premature optimization is the root of all evil.
     std::vector<QPDFObjectHandle> pages;
     { // local scope
-	// Map all page objects to the containing object stream.  This
-	// should be a no-op in a properly linearized file.
-	std::vector<QPDFObjectHandle> t = getAllPages();
-	for (std::vector<QPDFObjectHandle>::iterator iter = t.begin();
-	     iter != t.end(); ++iter)
-	{
-	    pages.push_back(getUncompressedObject(*iter, object_stream_data));
-	}
+        // Map all page objects to the containing object stream.  This
+        // should be a no-op in a properly linearized file.
+        for (auto oh: getAllPages()) {
+            pages.push_back(getUncompressedObject(oh, object_stream_data));
+        }
     }
-    unsigned int npages = pages.size();
+    int npages = toI(pages.size());
 
     // We will be initializing some values of the computed hint
     // tables.  Specifically, we can initialize any items that deal
@@ -1531,20 +1372,17 @@
     // reasonable size.
     this->m->c_linp.npages = npages;
     this->m->c_page_offset_data.entries =
-        std::vector<CHPageOffsetEntry>(npages);
+        std::vector<CHPageOffsetEntry>(toS(npages));
 
     // Part 4: open document objects.  We don't care about the order.
 
-    if (lc_root.size() != 1)
-    {
+    if (lc_root.size() != 1) {
         stopOnError("found other than one root while"
                     " calculating linearization data");
     }
-    this->m->part4.push_back(objGenToIndirect(*(lc_root.begin())));
-    for (std::set<QPDFObjGen>::iterator iter = lc_open_document.begin();
-	 iter != lc_open_document.end(); ++iter)
-    {
-	this->m->part4.push_back(objGenToIndirect(*iter));
+    this->m->part4.push_back(getObject(*(lc_root.begin())));
+    for (auto const& og: lc_open_document) {
+        this->m->part4.push_back(getObject(og));
     }
 
     // Part 6: first page objects.  Note: implementation note 124
@@ -1554,12 +1392,14 @@
     // will do the same.
 
     // First, place the actual first page object itself.
+    if (pages.empty()) {
+        stopOnError("no pages found while calculating linearization data");
+    }
     QPDFObjGen first_page_og(pages.at(0).getObjGen());
-    if (! lc_first_page_private.count(first_page_og))
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: QPDF::calculateLinearizationData: first page "
-	    "object not in lc_first_page_private");
+    if (!lc_first_page_private.count(first_page_og)) {
+        stopOnError(
+            "INTERNAL ERROR: QPDF::calculateLinearizationData: first page "
+            "object not in lc_first_page_private");
     }
     lc_first_page_private.erase(first_page_og);
     this->m->c_linp.first_page_object = pages.at(0).getObjectID();
@@ -1570,22 +1410,17 @@
     // groups private and shared objects contiguously for the sake of
     // hint tables.
 
-    for (std::set<QPDFObjGen>::iterator iter = lc_first_page_private.begin();
-	 iter != lc_first_page_private.end(); ++iter)
-    {
-	this->m->part6.push_back(objGenToIndirect(*iter));
+    for (auto const& og: lc_first_page_private) {
+        this->m->part6.push_back(getObject(og));
     }
 
-    for (std::set<QPDFObjGen>::iterator iter = lc_first_page_shared.begin();
-	 iter != lc_first_page_shared.end(); ++iter)
-    {
-	this->m->part6.push_back(objGenToIndirect(*iter));
+    for (auto const& og: lc_first_page_shared) {
+        this->m->part6.push_back(getObject(og));
     }
 
     // Place the outline dictionary if it goes in the first page section.
-    if (outlines_in_first_page)
-    {
-	pushOutlinesToPart(this->m->part6, lc_outlines, object_stream_data);
+    if (outlines_in_first_page) {
+        pushOutlinesToPart(this->m->part6, lc_outlines, object_stream_data);
     }
 
     // Fill in page offset hint table information for the first page.
@@ -1594,66 +1429,56 @@
     // in garbage values for all the shared object identifiers on the
     // first page.
 
-    this->m->c_page_offset_data.entries.at(0).nobjects = this->m->part6.size();
+    this->m->c_page_offset_data.entries.at(0).nobjects =
+        toI(this->m->part6.size());
 
     // Part 7: other pages' private objects
 
     // For each page in order:
-    for (unsigned int i = 1; i < npages; ++i)
-    {
-	// Place this page's page object
-
-	QPDFObjGen page_og(pages.at(i).getObjGen());
-	if (! lc_other_page_private.count(page_og))
-	{
-	    throw std::logic_error(
-		"INTERNAL ERROR: "
-		"QPDF::calculateLinearizationData: page object for page " +
-		QUtil::int_to_string(i) + " not in lc_other_page_private");
-	}
-	lc_other_page_private.erase(page_og);
-	this->m->part7.push_back(pages.at(i));
-
-	// Place all non-shared objects referenced by this page,
-	// updating the page object count for the hint table.
-
-	this->m->c_page_offset_data.entries.at(i).nobjects = 1;
-
-	ObjUser ou(ObjUser::ou_page, i);
-	if (this->m->obj_user_to_objects.count(ou) == 0)
-        {
+    for (size_t i = 1; i < toS(npages); ++i) {
+        // Place this page's page object
+
+        QPDFObjGen page_og(pages.at(i).getObjGen());
+        if (!lc_other_page_private.count(page_og)) {
+            stopOnError(
+                "INTERNAL ERROR: "
+                "QPDF::calculateLinearizationData: page object for page " +
+                QUtil::uint_to_string(i) + " not in lc_other_page_private");
+        }
+        lc_other_page_private.erase(page_og);
+        this->m->part7.push_back(pages.at(i));
+
+        // Place all non-shared objects referenced by this page,
+        // updating the page object count for the hint table.
+
+        this->m->c_page_offset_data.entries.at(i).nobjects = 1;
+
+        ObjUser ou(ObjUser::ou_page, toI(i));
+        if (this->m->obj_user_to_objects.count(ou) == 0) {
             stopOnError("found unreferenced page while"
                         " calculating linearization data");
         }
-	std::set<QPDFObjGen> ogs = this->m->obj_user_to_objectsou;
-	for (std::set<QPDFObjGen>::iterator iter = ogs.begin();
-	     iter != ogs.end(); ++iter)
-	{
-	    QPDFObjGen const& og = (*iter);
-	    if (lc_other_page_private.count(og))
-	    {
-		lc_other_page_private.erase(og);
-		this->m->part7.push_back(objGenToIndirect(og));
-		++this->m->c_page_offset_data.entries.at(i).nobjects;
-	    }
-	}
+        for (auto const& og: this->m->obj_user_to_objectsou) {
+            if (lc_other_page_private.count(og)) {
+                lc_other_page_private.erase(og);
+                this->m->part7.push_back(getObject(og));
+                ++this->m->c_page_offset_data.entries.at(i).nobjects;
+            }
+        }
     }
     // That should have covered all part7 objects.
-    if (! lc_other_page_private.empty())
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR:"
-	    " QPDF::calculateLinearizationData: lc_other_page_private is "
-	    "not empty after generation of part7");
+    if (!lc_other_page_private.empty()) {
+        stopOnError(
+            "INTERNAL ERROR:"
+            " QPDF::calculateLinearizationData: lc_other_page_private is "
+            "not empty after generation of part7");
     }
 
     // Part 8: other pages' shared objects
 
     // Order is unimportant.
-    for (std::set<QPDFObjGen>::iterator iter = lc_other_page_shared.begin();
-	 iter != lc_other_page_shared.end(); ++iter)
-    {
-	this->m->part8.push_back(objGenToIndirect(*iter));
+    for (auto const& og: lc_other_page_shared) {
+        this->m->part8.push_back(getObject(og));
     }
 
     // Part 9: other objects
@@ -1667,104 +1492,81 @@
 
     // Place the pages tree.
     std::set<QPDFObjGen> pages_ogs =
-	this->m->obj_user_to_objectsObjUser(ObjUser::ou_root_key, "/Pages");
-    if (pages_ogs.empty())
-    {
+        this->m->obj_user_to_objectsObjUser(ObjUser::ou_root_key, "/Pages");
+    if (pages_ogs.empty()) {
         stopOnError("found empty pages tree while"
                     " calculating linearization data");
     }
-    for (std::set<QPDFObjGen>::iterator iter = pages_ogs.begin();
-	 iter != pages_ogs.end(); ++iter)
-    {
-	QPDFObjGen const& og = *iter;
-	if (lc_other.count(og))
-	{
-	    lc_other.erase(og);
-	    this->m->part9.push_back(objGenToIndirect(og));
-	}
+    for (auto const& og: pages_ogs) {
+        if (lc_other.count(og)) {
+            lc_other.erase(og);
+            this->m->part9.push_back(getObject(og));
+        }
     }
 
     // Place private thumbnail images in page order.  Slightly more
     // information would be required if we were going to bother with
     // thumbnail hint tables.
-    for (unsigned int i = 0; i < npages; ++i)
-    {
-	QPDFObjectHandle thumb = pages.at(i).getKey("/Thumb");
-	thumb = getUncompressedObject(thumb, object_stream_data);
-	if (! thumb.isNull())
-	{
-	    // Output the thumbnail itself
-	    QPDFObjGen thumb_og(thumb.getObjGen());
-	    if (lc_thumbnail_private.count(thumb_og))
-	    {
-		lc_thumbnail_private.erase(thumb_og);
-		this->m->part9.push_back(thumb);
-	    }
-	    else
-	    {
-		// No internal error this time...there's nothing to
-		// stop this object from having been referred to
-		// somewhere else outside of a page's /Thumb, and if
-		// it had been, there's nothing to prevent it from
-		// having been in some set other than
-		// lc_thumbnail_private.
-	    }
-	    std::set<QPDFObjGen>& ogs =
-		this->m->obj_user_to_objectsObjUser(ObjUser::ou_thumb, i);
-	    for (std::set<QPDFObjGen>::iterator iter = ogs.begin();
-		 iter != ogs.end(); ++iter)
-	    {
-		QPDFObjGen const& og = *iter;
-		if (lc_thumbnail_private.count(og))
-		{
-		    lc_thumbnail_private.erase(og);
-		    this->m->part9.push_back(objGenToIndirect(og));
-		}
-	    }
-	}
-    }
-    if (! lc_thumbnail_private.empty())
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: "
-	    "QPDF::calculateLinearizationData: lc_thumbnail_private "
-	    "not empty after placing thumbnails");
+    for (size_t i = 0; i < toS(npages); ++i) {
+        QPDFObjectHandle thumb = pages.at(i).getKey("/Thumb");
+        thumb = getUncompressedObject(thumb, object_stream_data);
+        if (!thumb.isNull()) {
+            // Output the thumbnail itself
+            QPDFObjGen thumb_og(thumb.getObjGen());
+            if (lc_thumbnail_private.count(thumb_og)) {
+                lc_thumbnail_private.erase(thumb_og);
+                this->m->part9.push_back(thumb);
+            } else {
+                // No internal error this time...there's nothing to
+                // stop this object from having been referred to
+                // somewhere else outside of a page's /Thumb, and if
+                // it had been, there's nothing to prevent it from
+                // having been in some set other than
+                // lc_thumbnail_private.
+            }
+            std::set<QPDFObjGen>& ogs =
+                this->m
+                    ->obj_user_to_objectsObjUser(ObjUser::ou_thumb, toI(i));
+            for (auto const& og: ogs) {
+                if (lc_thumbnail_private.count(og)) {
+                    lc_thumbnail_private.erase(og);
+                    this->m->part9.push_back(getObject(og));
+                }
+            }
+        }
+    }
+    if (!lc_thumbnail_private.empty()) {
+        stopOnError("INTERNAL ERROR: "
+                    "QPDF::calculateLinearizationData: lc_thumbnail_private "
+                    "not empty after placing thumbnails");
     }
 
     // Place shared thumbnail objects
-    for (std::set<QPDFObjGen>::iterator iter = lc_thumbnail_shared.begin();
-	 iter != lc_thumbnail_shared.end(); ++iter)
-    {
-	this->m->part9.push_back(objGenToIndirect(*iter));
+    for (auto const& og: lc_thumbnail_shared) {
+        this->m->part9.push_back(getObject(og));
     }
 
     // Place outlines unless in first page
-    if (! outlines_in_first_page)
-    {
-	pushOutlinesToPart(this->m->part9, lc_outlines, object_stream_data);
+    if (!outlines_in_first_page) {
+        pushOutlinesToPart(this->m->part9, lc_outlines, object_stream_data);
     }
 
     // Place all remaining objects
-    for (std::set<QPDFObjGen>::iterator iter = lc_other.begin();
-	 iter != lc_other.end(); ++iter)
-    {
-	this->m->part9.push_back(objGenToIndirect(*iter));
+    for (auto const& og: lc_other) {
+        this->m->part9.push_back(getObject(og));
     }
 
     // Make sure we got everything exactly once.
 
-    unsigned int num_placed =
-        this->m->part4.size() + this->m->part6.size() + this->m->part7.size() +
-        this->m->part8.size() + this->m->part9.size();
-    unsigned int num_wanted = this->m->object_to_obj_users.size();
-    if (num_placed != num_wanted)
-    {
-	throw std::logic_error(
-	    "INTERNAL ERROR: QPDF::calculateLinearizationData: wrong "
-	    "number of objects placed (num_placed = " +
-	    QUtil::int_to_string(num_placed) +
-	    "; number of objects: " +
-	    QUtil::int_to_string(num_wanted));
+    size_t num_placed = this->m->part4.size() + this->m->part6.size() +
+        this->m->part7.size() + this->m->part8.size() + this->m->part9.size();
+    size_t num_wanted = this->m->object_to_obj_users.size();
+    if (num_placed != num_wanted) {
+        stopOnError(
+            "INTERNAL ERROR: QPDF::calculateLinearizationData: wrong "
+            "number of objects placed (num_placed = " +
+            QUtil::uint_to_string(num_placed) +
+            "; number of objects: " + QUtil::uint_to_string(num_wanted));
     }
 
     // Calculate shared object hint table information including
@@ -1780,68 +1582,52 @@
     // can map from object number only without regards to generation.
     std::map<int, int> obj_to_index;
 
-    this->m->c_shared_object_data.nshared_first_page = this->m->part6.size();
+    this->m->c_shared_object_data.nshared_first_page =
+        toI(this->m->part6.size());
     this->m->c_shared_object_data.nshared_total =
-	this->m->c_shared_object_data.nshared_first_page +
-        this->m->part8.size();
+        this->m->c_shared_object_data.nshared_first_page +
+        toI(this->m->part8.size());
 
     std::vector<CHSharedObjectEntry>& shared =
-	this->m->c_shared_object_data.entries;
-    for (std::vector<QPDFObjectHandle>::iterator iter = this->m->part6.begin();
-	 iter != this->m->part6.end(); ++iter)
-    {
-	QPDFObjectHandle& oh = *iter;
-	int obj = oh.getObjectID();
-	obj_to_indexobj = shared.size();
-	shared.push_back(CHSharedObjectEntry(obj));
+        this->m->c_shared_object_data.entries;
+    for (auto& oh: this->m->part6) {
+        int obj = oh.getObjectID();
+        obj_to_indexobj = toI(shared.size());
+        shared.push_back(CHSharedObjectEntry(obj));
     }
     QTC::TC("qpdf", "QPDF lin part 8 empty", this->m->part8.empty() ? 1 : 0);
-    if (! this->m->part8.empty())
-    {
-	this->m->c_shared_object_data.first_shared_obj =
-	    this->m->part8.at(0).getObjectID();
-	for (std::vector<QPDFObjectHandle>::iterator iter =
-		 this->m->part8.begin();
-	     iter != this->m->part8.end(); ++iter)
-	{
-	    QPDFObjectHandle& oh = *iter;
-	    int obj = oh.getObjectID();
-	    obj_to_indexobj = shared.size();
-	    shared.push_back(CHSharedObjectEntry(obj));
-	}
+    if (!this->m->part8.empty()) {
+        this->m->c_shared_object_data.first_shared_obj =
+            this->m->part8.at(0).getObjectID();
+        for (auto& oh: this->m->part8) {
+            int obj = oh.getObjectID();
+            obj_to_indexobj = toI(shared.size());
+            shared.push_back(CHSharedObjectEntry(obj));
+        }
     }
     if (static_cast<size_t>(this->m->c_shared_object_data.nshared_total) !=
-        this->m->c_shared_object_data.entries.size())
-    {
-        throw std::logic_error(
-            "shared object hint table has wrong number of entries");
+        this->m->c_shared_object_data.entries.size()) {
+        stopOnError("shared object hint table has wrong number of entries");
     }
 
     // Now compute the list of shared objects for each page after the
     // first page.
 
-    for (unsigned int i = 1; i < npages; ++i)
-    {
-	CHPageOffsetEntry& pe = this->m->c_page_offset_data.entries.at(i);
-	ObjUser ou(ObjUser::ou_page, i);
-	if (this->m->obj_user_to_objects.count(ou) == 0)
-        {
+    for (size_t i = 1; i < toS(npages); ++i) {
+        CHPageOffsetEntry& pe = this->m->c_page_offset_data.entries.at(i);
+        ObjUser ou(ObjUser::ou_page, toI(i));
+        if (this->m->obj_user_to_objects.count(ou) == 0) {
             stopOnError("found unreferenced page while"
                         " calculating linearization data");
         }
-	std::set<QPDFObjGen> const& ogs = this->m->obj_user_to_objectsou;
-	for (std::set<QPDFObjGen>::const_iterator iter = ogs.begin();
-	     iter != ogs.end(); ++iter)
-	{
-	    QPDFObjGen const& og = *iter;
-	    if ((this->m->object_to_obj_usersog.size() > 1) &&
-		(obj_to_index.count(og.getObj()) > 0))
-	    {
-		int idx = obj_to_indexog.getObj();
-		++pe.nshared_objects;
-		pe.shared_identifiers.push_back(idx);
-	    }
-	}
+        for (auto const& og: this->m->obj_user_to_objectsou) {
+            if ((this->m->object_to_obj_usersog.size() > 1) &&
+                (obj_to_index.count(og.getObj()) > 0)) {
+                int idx = obj_to_indexog.getObj();
+                ++pe.nshared_objects;
+                pe.shared_identifiers.push_back(idx);
+            }
+        }
     }
 }
 
@@ -1853,25 +1639,24 @@
 {
     QPDFObjectHandle root = getRoot();
     QPDFObjectHandle outlines = root.getKey("/Outlines");
-    if (outlines.isNull())
-    {
-	return;
+    if (outlines.isNull()) {
+        return;
     }
     outlines = getUncompressedObject(outlines, object_stream_data);
     QPDFObjGen outlines_og(outlines.getObjGen());
-    QTC::TC("qpdf", "QPDF lin outlines in part",
-	    ((&part == (&this->m->part6)) ? 0
-	     : (&part == (&this->m->part9)) ? 1
-	     : 9999));		// can't happen
+    QTC::TC(
+        "qpdf",
+        "QPDF lin outlines in part",
+        ((&part == (&this->m->part6))       ? 0
+             : (&part == (&this->m->part9)) ? 1
+                                            : 9999)); // can't happen
     this->m->c_outline_data.first_object = outlines_og.getObj();
     this->m->c_outline_data.nobjects = 1;
     lc_outlines.erase(outlines_og);
     part.push_back(outlines);
-    for (std::set<QPDFObjGen>::iterator iter = lc_outlines.begin();
-	 iter != lc_outlines.end(); ++iter)
-    {
-	part.push_back(objGenToIndirect(*iter));
-	++this->m->c_outline_data.nobjects;
+    for (auto const& og: lc_outlines) {
+        part.push_back(getObject(og));
+        ++this->m->c_outline_data.nobjects;
     }
 }
 
@@ -1892,14 +1677,16 @@
     part9 = this->m->part9;
 }
 
-static inline int nbits(int val)
+static inline int
+nbits(int val)
 {
     return (val == 0 ? 0 : (1 + nbits(val >> 1)));
 }
 
 int
 QPDF::outputLengthNextN(
-    int in_object, int n,
+    int in_object,
+    int n,
     std::map<int, qpdf_offset_t> const& lengths,
     std::map<int, int> const& obj_renumber)
 {
@@ -1907,21 +1694,18 @@
     // the output file starting with whatever object in_object from
     // the input file mapped to.
 
-    if (obj_renumber.count(in_object) == 0)
-    {
+    if (obj_renumber.count(in_object) == 0) {
         stopOnError("found object that is not renumbered while"
                     " writing linearization data");
     }
     int first = (*(obj_renumber.find(in_object))).second;
     int length = 0;
-    for (int i = 0; i < n; ++i)
-    {
-	if (lengths.count(first + i) == 0)
-        {
+    for (int i = 0; i < n; ++i) {
+        if (lengths.count(first + i) == 0) {
             stopOnError("found item with unknown length"
                         " while writing linearization data");
         }
-	length += (*(lengths.find(first + i))).second;
+        length += toI((*(lengths.find(first + toI(i)))).second);
     }
     return length;
 }
@@ -1938,7 +1722,7 @@
     // values.
 
     std::vector<QPDFObjectHandle> const& pages = getAllPages();
-    unsigned int npages = pages.size();
+    size_t npages = pages.size();
     CHPageOffset& cph = this->m->c_page_offset_data;
     std::vector<CHPageOffsetEntry>& cphe = cph.entries;
 
@@ -1948,7 +1732,7 @@
     int min_nobjects = cphe.at(0).nobjects;
     int max_nobjects = min_nobjects;
     int min_length = outputLengthNextN(
-	pages.at(0).getObjectID(), min_nobjects, lengths, obj_renumber);
+        pages.at(0).getObjectID(), min_nobjects, lengths, obj_renumber);
     int max_length = min_length;
     int max_shared = cphe.at(0).nshared_objects;
 
@@ -1957,28 +1741,27 @@
     // npages is the size of the existing pages array.
     phe = std::vector<HPageOffsetEntry>(npages);
 
-    for (unsigned int i = 0; i < npages; ++i)
-    {
-	// Calculate values for each page, assigning full values to
-	// the delta items.  They will be adjusted later.
+    for (unsigned int i = 0; i < npages; ++i) {
+        // Calculate values for each page, assigning full values to
+        // the delta items.  They will be adjusted later.
 
-	// Repeat calculations for page 0 so we can assign to phei
-	// without duplicating those assignments.
+        // Repeat calculations for page 0 so we can assign to phei
+        // without duplicating those assignments.
 
-	int nobjects = cphe.at(i).nobjects;
-	int length = outputLengthNextN(
-	    pages.at(i).getObjectID(), nobjects, lengths, obj_renumber);
-	int nshared = cphe.at(i).nshared_objects;
+        int nobjects = cphe.at(i).nobjects;
+        int length = outputLengthNextN(
+            pages.at(i).getObjectID(), nobjects, lengths, obj_renumber);
+        int nshared = cphe.at(i).nshared_objects;
 
-	min_nobjects = std::min(min_nobjects, nobjects);
-	max_nobjects = std::max(max_nobjects, nobjects);
-	min_length = std::min(min_length, length);
-	max_length = std::max(max_length, length);
-	max_shared = std::max(max_shared, nshared);
+        min_nobjects = std::min(min_nobjects, nobjects);
+        max_nobjects = std::max(max_nobjects, nobjects);
+        min_length = std::min(min_length, length);
+        max_length = std::max(max_length, length);
+        max_shared = std::max(max_shared, nshared);
 
-	phe.at(i).delta_nobjects = nobjects;
-	phe.at(i).delta_page_length = length;
-	phe.at(i).nshared_objects = nshared;
+        phe.at(i).delta_nobjects = nobjects;
+        phe.at(i).delta_page_length = length;
+        phe.at(i).nshared_objects = nshared;
     }
 
     ph.min_nobjects = min_nobjects;
@@ -1990,8 +1773,8 @@
     ph.nbits_delta_page_length = nbits(max_length - min_length);
     ph.nbits_nshared_objects = nbits(max_shared);
     ph.nbits_shared_identifier =
-	nbits(this->m->c_shared_object_data.nshared_total);
-    ph.shared_denominator = 4;	// doesn't matter
+        nbits(this->m->c_shared_object_data.nshared_total);
+    ph.shared_denominator = 4; // doesn't matter
 
     // It isn't clear how to compute content offset and content
     // length.  Since we are not interleaving page objects with the
@@ -2001,25 +1784,22 @@
     ph.nbits_delta_content_length = ph.nbits_delta_page_length;
     ph.min_content_length = ph.min_page_length;
 
-    for (unsigned int i = 0; i < npages; ++i)
-    {
-	// Adjust delta entries
-	if ((phe.at(i).delta_nobjects < min_nobjects) ||
-            (phe.at(i).delta_page_length < min_length))
-        {
+    for (size_t i = 0; i < npages; ++i) {
+        // Adjust delta entries
+        if ((phe.at(i).delta_nobjects < min_nobjects) ||
+            (phe.at(i).delta_page_length < min_length)) {
             stopOnError("found too small delta nobjects or delta page length"
                         " while writing linearization data");
         }
-	phe.at(i).delta_nobjects -= min_nobjects;
-	phe.at(i).delta_page_length -= min_length;
-	phe.at(i).delta_content_length = phe.at(i).delta_page_length;
-
-	for (int j = 0; j < cphe.at(i).nshared_objects; ++j)
-	{
-	    phe.at(i).shared_identifiers.push_back(
-		cphe.at(i).shared_identifiers.at(j));
-	    phe.at(i).shared_numerators.push_back(0);
-	}
+        phe.at(i).delta_nobjects -= min_nobjects;
+        phe.at(i).delta_page_length -= min_length;
+        phe.at(i).delta_content_length = phe.at(i).delta_page_length;
+
+        for (size_t j = 0; j < toS(cphe.at(i).nshared_objects); ++j) {
+            phe.at(i).shared_identifiers.push_back(
+                cphe.at(i).shared_identifiers.at(j));
+            phe.at(i).shared_numerators.push_back(0);
+        }
     }
 }
 
@@ -2035,46 +1815,41 @@
     std::vector<HSharedObjectEntry>& soe = so.entries;
     soe.clear();
 
-    int min_length = outputLengthNextN(
-	csoe.at(0).object, 1, lengths, obj_renumber);
+    int min_length =
+        outputLengthNextN(csoe.at(0).object, 1, lengths, obj_renumber);
     int max_length = min_length;
 
-    for (int i = 0; i < cso.nshared_total; ++i)
-    {
-	// Assign absolute numbers to deltas; adjust later
-	int length = outputLengthNextN(
-	    csoe.at(i).object, 1, lengths, obj_renumber);
-	min_length = std::min(min_length, length);
-	max_length = std::max(max_length, length);
+    for (size_t i = 0; i < toS(cso.nshared_total); ++i) {
+        // Assign absolute numbers to deltas; adjust later
+        int length =
+            outputLengthNextN(csoe.at(i).object, 1, lengths, obj_renumber);
+        min_length = std::min(min_length, length);
+        max_length = std::max(max_length, length);
         soe.push_back(HSharedObjectEntry());
-	soe.at(i).delta_group_length = length;
+        soe.at(i).delta_group_length = length;
     }
-    if (soe.size() != static_cast<size_t>(cso.nshared_total))
-    {
-        throw std::logic_error("soe has wrong size after initialization");
+    if (soe.size() != QIntC::to_size(cso.nshared_total)) {
+        stopOnError("soe has wrong size after initialization");
     }
 
     so.nshared_total = cso.nshared_total;
     so.nshared_first_page = cso.nshared_first_page;
-    if (so.nshared_total > so.nshared_first_page)
-    {
-	so.first_shared_obj =
-	    (*(obj_renumber.find(cso.first_shared_obj))).second;
-	so.first_shared_offset =
-	    (*(xref.find(so.first_shared_obj))).second.getOffset();
+    if (so.nshared_total > so.nshared_first_page) {
+        so.first_shared_obj =
+            (*(obj_renumber.find(cso.first_shared_obj))).second;
+        so.first_shared_offset =
+            (*(xref.find(so.first_shared_obj))).second.getOffset();
     }
     so.min_group_length = min_length;
     so.nbits_delta_group_length = nbits(max_length - min_length);
 
-    for (int i = 0; i < cso.nshared_total; ++i)
-    {
-	// Adjust deltas
-	if (soe.at(i).delta_group_length < min_length)
-        {
+    for (size_t i = 0; i < toS(cso.nshared_total); ++i) {
+        // Adjust deltas
+        if (soe.at(i).delta_group_length < min_length) {
             stopOnError("found too small group length while"
                         " writing linearization data");
         }
-	soe.at(i).delta_group_length -= min_length;
+        soe.at(i).delta_group_length -= min_length;
     }
 }
 
@@ -2086,33 +1861,30 @@
 {
     HGeneric& cho = this->m->c_outline_data;
 
-    if (cho.nobjects == 0)
-    {
-	return;
+    if (cho.nobjects == 0) {
+        return;
     }
 
     HGeneric& ho = this->m->outline_hints;
 
-    ho.first_object =
-	(*(obj_renumber.find(cho.first_object))).second;
-    ho.first_object_offset =
-	(*(xref.find(ho.first_object))).second.getOffset();
+    ho.first_object = (*(obj_renumber.find(cho.first_object))).second;
+    ho.first_object_offset = (*(xref.find(ho.first_object))).second.getOffset();
     ho.nobjects = cho.nobjects;
-    ho.group_length = outputLengthNextN(
-	cho.first_object, ho.nobjects, lengths, obj_renumber);
+    ho.group_length =
+        outputLengthNextN(cho.first_object, ho.nobjects, lengths, obj_renumber);
 }
 
 template <class T, class int_type>
 static void
-write_vector_int(BitWriter& w, int nitems, std::vector<T>& vec,
-		 int bits, int_type T::*field)
+write_vector_int(
+    BitWriter& w, int nitems, std::vector<T>& vec, int bits, int_type T::*field)
 {
     // nitems times, write bits bits from the given field of the ith
     // vector to the given bit writer.
 
-    for (int i = 0; i < nitems; ++i)
-    {
-	w.writeBits(vec.at(i).*field, bits);
+    for (size_t i = 0; i < QIntC::to_size(nitems); ++i) {
+        w.writeBits(
+            QIntC::to_ulonglong(vec.at(i).*field), QIntC::to_size(bits));
     }
     // The PDF spec says that each hint table starts at a byte
     // boundary.  Each "row" actually must start on a byte boundary.
@@ -2121,68 +1893,92 @@
 
 template <class T>
 static void
-write_vector_vector(BitWriter& w,
-		    int nitems1, std::vector<T>& vec1, int T::*nitems2,
-		    int bits, std::vector<int> T::*vec2)
+write_vector_vector(
+    BitWriter& w,
+    int nitems1,
+    std::vector<T>& vec1,
+    int T::*nitems2,
+    int bits,
+    std::vector<int> T::*vec2)
 {
     // nitems1 times, write nitems2 (from the ith element of vec1) items
     // from the vec2 vector field of the ith item of vec1.
-    for (int i1 = 0; i1 < nitems1; ++i1)
-    {
-	for (int i2 = 0; i2 < vec1.at(i1).*nitems2; ++i2)
-	{
-	    w.writeBits((vec1.at(i1).*vec2).at(i2), bits);
-	}
+    for (size_t i1 = 0; i1 < QIntC::to_size(nitems1); ++i1) {
+        for (size_t i2 = 0; i2 < QIntC::to_size(vec1.at(i1).*nitems2); ++i2) {
+            w.writeBits(
+                QIntC::to_ulonglong((vec1.at(i1).*vec2).at(i2)),
+                QIntC::to_size(bits));
+        }
     }
     w.flush();
 }
 
-
 void
 QPDF::writeHPageOffset(BitWriter& w)
 {
     HPageOffset& t = this->m->page_offset_hints;
 
-    w.writeBits(t.min_nobjects, 32);			    // 1
-    w.writeBits(t.first_page_offset, 32);		    // 2
-    w.writeBits(t.nbits_delta_nobjects, 16);		    // 3
-    w.writeBits(t.min_page_length, 32);			    // 4
-    w.writeBits(t.nbits_delta_page_length, 16);		    // 5
-    w.writeBits(t.min_content_offset, 32);		    // 6
-    w.writeBits(t.nbits_delta_content_offset, 16);	    // 7
-    w.writeBits(t.min_content_length, 32);		    // 8
-    w.writeBits(t.nbits_delta_content_length, 16);	    // 9
-    w.writeBits(t.nbits_nshared_objects, 16);		    // 10
-    w.writeBits(t.nbits_shared_identifier, 16);		    // 11
-    w.writeBits(t.nbits_shared_numerator, 16);		    // 12
-    w.writeBits(t.shared_denominator, 16);		    // 13
-
-    unsigned int nitems = getAllPages().size();
+    w.writeBitsInt(t.min_nobjects, 32);               // 1
+    w.writeBitsInt(toI(t.first_page_offset), 32);     // 2
+    w.writeBitsInt(t.nbits_delta_nobjects, 16);       // 3
+    w.writeBitsInt(t.min_page_length, 32);            // 4
+    w.writeBitsInt(t.nbits_delta_page_length, 16);    // 5
+    w.writeBitsInt(t.min_content_offset, 32);         // 6
+    w.writeBitsInt(t.nbits_delta_content_offset, 16); // 7
+    w.writeBitsInt(t.min_content_length, 32);         // 8
+    w.writeBitsInt(t.nbits_delta_content_length, 16); // 9
+    w.writeBitsInt(t.nbits_nshared_objects, 16);      // 10
+    w.writeBitsInt(t.nbits_shared_identifier, 16);    // 11
+    w.writeBitsInt(t.nbits_shared_numerator, 16);     // 12
+    w.writeBitsInt(t.shared_denominator, 16);         // 13
+
+    int nitems = toI(getAllPages().size());
     std::vector<HPageOffsetEntry>& entries = t.entries;
 
-    write_vector_int(w, nitems, entries,
-		     t.nbits_delta_nobjects,
-		     &HPageOffsetEntry::delta_nobjects);
-    write_vector_int(w, nitems, entries,
-		     t.nbits_delta_page_length,
-		     &HPageOffsetEntry::delta_page_length);
-    write_vector_int(w, nitems, entries,
-		     t.nbits_nshared_objects,
-		     &HPageOffsetEntry::nshared_objects);
-    write_vector_vector(w, nitems, entries,
-			&HPageOffsetEntry::nshared_objects,
-			t.nbits_shared_identifier,
-			&HPageOffsetEntry::shared_identifiers);
-    write_vector_vector(w, nitems, entries,
-			&HPageOffsetEntry::nshared_objects,
-			t.nbits_shared_numerator,
-			&HPageOffsetEntry::shared_numerators);
-    write_vector_int(w, nitems, entries,
-		     t.nbits_delta_content_offset,
-		     &HPageOffsetEntry::delta_content_offset);
-    write_vector_int(w, nitems, entries,
-		     t.nbits_delta_content_length,
-		     &HPageOffsetEntry::delta_content_length);
+    write_vector_int(
+        w,
+        nitems,
+        entries,
+        t.nbits_delta_nobjects,
+        &HPageOffsetEntry::delta_nobjects);
+    write_vector_int(
+        w,
+        nitems,
+        entries,
+        t.nbits_delta_page_length,
+        &HPageOffsetEntry::delta_page_length);
+    write_vector_int(
+        w,
+        nitems,
+        entries,
+        t.nbits_nshared_objects,
+        &HPageOffsetEntry::nshared_objects);
+    write_vector_vector(
+        w,
+        nitems,
+        entries,
+        &HPageOffsetEntry::nshared_objects,
+        t.nbits_shared_identifier,
+        &HPageOffsetEntry::shared_identifiers);
+    write_vector_vector(
+        w,
+        nitems,
+        entries,
+        &HPageOffsetEntry::nshared_objects,
+        t.nbits_shared_numerator,
+        &HPageOffsetEntry::shared_numerators);
+    write_vector_int(
+        w,
+        nitems,
+        entries,
+        t.nbits_delta_content_offset,
+        &HPageOffsetEntry::delta_content_offset);
+    write_vector_int(
+        w,
+        nitems,
+        entries,
+        t.nbits_delta_content_length,
+        &HPageOffsetEntry::delta_content_length);
 }
 
 void
@@ -2190,54 +1986,62 @@
 {
     HSharedObject& t = this->m->shared_object_hints;
 
-    w.writeBits(t.first_shared_obj, 32);		    // 1
-    w.writeBits(t.first_shared_offset, 32);		    // 2
-    w.writeBits(t.nshared_first_page, 32);		    // 3
-    w.writeBits(t.nshared_total, 32);			    // 4
-    w.writeBits(t.nbits_nobjects, 16);			    // 5
-    w.writeBits(t.min_group_length, 32);		    // 6
-    w.writeBits(t.nbits_delta_group_length, 16);	    // 7
+    w.writeBitsInt(t.first_shared_obj, 32);         // 1
+    w.writeBitsInt(toI(t.first_shared_offset), 32); // 2
+    w.writeBitsInt(t.nshared_first_page, 32);       // 3
+    w.writeBitsInt(t.nshared_total, 32);            // 4
+    w.writeBitsInt(t.nbits_nobjects, 16);           // 5
+    w.writeBitsInt(t.min_group_length, 32);         // 6
+    w.writeBitsInt(t.nbits_delta_group_length, 16); // 7
 
-    QTC::TC("qpdf", "QPDF lin write nshared_total > nshared_first_page",
-	    (t.nshared_total > t.nshared_first_page) ? 1 : 0);
+    QTC::TC(
+        "qpdf",
+        "QPDF lin write nshared_total > nshared_first_page",
+        (t.nshared_total > t.nshared_first_page) ? 1 : 0);
 
     int nitems = t.nshared_total;
     std::vector<HSharedObjectEntry>& entries = t.entries;
 
-    write_vector_int(w, nitems, entries,
-		     t.nbits_delta_group_length,
-		     &HSharedObjectEntry::delta_group_length);
-    write_vector_int(w, nitems, entries,
-		     1, &HSharedObjectEntry::signature_present);
-    for (int i = 0; i < nitems; ++i)
-    {
-	// If signature were present, we'd have to write a 128-bit hash.
-	if (entries.at(i).signature_present != 0)
-        {
+    write_vector_int(
+        w,
+        nitems,
+        entries,
+        t.nbits_delta_group_length,
+        &HSharedObjectEntry::delta_group_length);
+    write_vector_int(
+        w, nitems, entries, 1, &HSharedObjectEntry::signature_present);
+    for (size_t i = 0; i < toS(nitems); ++i) {
+        // If signature were present, we'd have to write a 128-bit hash.
+        if (entries.at(i).signature_present != 0) {
             stopOnError("found unexpected signature present"
                         " while writing linearization data");
         }
     }
-    write_vector_int(w, nitems, entries,
-		     t.nbits_nobjects,
-		     &HSharedObjectEntry::nobjects_minus_one);
+    write_vector_int(
+        w,
+        nitems,
+        entries,
+        t.nbits_nobjects,
+        &HSharedObjectEntry::nobjects_minus_one);
 }
 
 void
 QPDF::writeHGeneric(BitWriter& w, HGeneric& t)
 {
-    w.writeBits(t.first_object, 32);			    // 1
-    w.writeBits(t.first_object_offset, 32);		    // 2
-    w.writeBits(t.nobjects, 32);			    // 3
-    w.writeBits(t.group_length, 32);			    // 4
+    w.writeBitsInt(t.first_object, 32);             // 1
+    w.writeBitsInt(toI(t.first_object_offset), 32); // 2
+    w.writeBitsInt(t.nobjects, 32);                 // 3
+    w.writeBitsInt(t.group_length, 32);             // 4
 }
 
 void
-QPDF::generateHintStream(std::map<int, QPDFXRefEntry> const& xref,
-			 std::map<int, qpdf_offset_t> const& lengths,
-			 std::map<int, int> const& obj_renumber,
-			 PointerHolder<Buffer>& hint_buffer,
-			 int& S, int& O)
+QPDF::generateHintStream(
+    std::map<int, QPDFXRefEntry> const& xref,
+    std::map<int, qpdf_offset_t> const& lengths,
+    std::map<int, int> const& obj_renumber,
+    std::shared_ptr<Buffer>& hint_buffer,
+    int& S,
+    int& O)
 {
     // Populate actual hint table values
     calculateHPageOffset(xref, lengths, obj_renumber);
@@ -2252,15 +2056,14 @@
     BitWriter w(&c);
 
     writeHPageOffset(w);
-    S = c.getCount();
+    S = toI(c.getCount());
     writeHSharedObject(w);
     O = 0;
-    if (this->m->outline_hints.nobjects > 0)
-    {
-	O = c.getCount();
-	writeHGeneric(w, this->m->outline_hints);
+    if (this->m->outline_hints.nobjects > 0) {
+        O = toI(c.getCount());
+        writeHGeneric(w, this->m->outline_hints);
     }
     c.finish();
 
-    hint_buffer = hint_stream.getBuffer();
+    hint_buffer = hint_stream.getBufferSharedPointer();
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_optimization.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_optimization.cc Changed

@@ -1,12 +1,13 @@
 // See the "Optimization" section of the manual.
 
+#include <qpdf/assert_debug.h>
+
 #include <qpdf/QPDF.hh>
 
-#include <qpdf/QTC.hh>
 #include <qpdf/QPDFExc.hh>
-#include <qpdf/QPDF_Dictionary.hh>
 #include <qpdf/QPDF_Array.hh>
-#include <assert.h>
+#include <qpdf/QPDF_Dictionary.hh>
+#include <qpdf/QTC.hh>
 
 QPDF::ObjUser::ObjUser() :
     ou_type(ou_bad),
@@ -18,14 +19,14 @@
     ou_type(type),
     pageno(0)
 {
-    assert(type == ou_root);
+    qpdf_assert_debug(type == ou_root);
 }
 
 QPDF::ObjUser::ObjUser(user_e type, int pageno) :
     ou_type(type),
     pageno(pageno)
 {
-    assert((type == ou_page) || (type == ou_thumb));
+    qpdf_assert_debug((type == ou_page) || (type == ou_thumb));
 }
 
 QPDF::ObjUser::ObjUser(user_e type, std::string const& key) :
@@ -33,50 +34,43 @@
     pageno(0),
     key(key)
 {
-    assert((type == ou_trailer_key) || (type == ou_root_key));
+    qpdf_assert_debug((type == ou_trailer_key) || (type == ou_root_key));
 }
 
 bool
 QPDF::ObjUser::operator<(ObjUser const& rhs) const
 {
-    if (this->ou_type < rhs.ou_type)
-    {
-	return true;
-    }
-    else if (this->ou_type == rhs.ou_type)
-    {
-	if (this->pageno < rhs.pageno)
-	{
-	    return true;
-	}
-	else if (this->pageno == rhs.pageno)
-	{
-	    return (this->key < rhs.key);
-	}
+    if (this->ou_type < rhs.ou_type) {
+        return true;
+    } else if (this->ou_type == rhs.ou_type) {
+        if (this->pageno < rhs.pageno) {
+            return true;
+        } else if (this->pageno == rhs.pageno) {
+            return (this->key < rhs.key);
+        }
     }
 
     return false;
 }
 
 void
-QPDF::optimize(std::map<int, int> const& object_stream_data,
-	       bool allow_changes)
+QPDF::optimize(
+    std::map<int, int> const& object_stream_data,
+    bool allow_changes,
+    std::function<int(QPDFObjectHandle&)> skip_stream_parameters)
 {
-    if (! this->m->obj_user_to_objects.empty())
-    {
-	// already optimized
-	return;
+    if (!this->m->obj_user_to_objects.empty()) {
+        // already optimized
+        return;
     }
 
     // The PDF specification indicates that /Outlines is supposed to
     // be an indirect reference.  Force it to be so if it exists and
     // is direct.  (This has been seen in the wild.)
     QPDFObjectHandle root = getRoot();
-    if (root.getKey("/Outlines").isDictionary())
-    {
+    if (root.getKey("/Outlines").isDictionary()) {
         QPDFObjectHandle outlines = root.getKey("/Outlines");
-        if (! outlines.isIndirect())
-        {
+        if (!outlines.isIndirect()) {
             QTC::TC("qpdf", "QPDF_optimization indirect outlines");
             root.replaceKey("/Outlines", makeIndirectObject(outlines));
         }
@@ -87,44 +81,37 @@
     pushInheritedAttributesToPage(allow_changes, false);
 
     // Traverse pages
-    int n = this->m->all_pages.size();
-    for (int pageno = 0; pageno < n; ++pageno)
-    {
-        updateObjectMaps(ObjUser(ObjUser::ou_page, pageno),
-                         this->m->all_pages.at(pageno));
+    int n = toI(this->m->all_pages.size());
+    for (int pageno = 0; pageno < n; ++pageno) {
+        updateObjectMaps(
+            ObjUser(ObjUser::ou_page, pageno),
+            this->m->all_pages.at(toS(pageno)),
+            skip_stream_parameters);
     }
 
     // Traverse document-level items
-    std::set<std::string> keys = this->m->trailer.getKeys();
-    for (std::set<std::string>::iterator iter = keys.begin();
-	 iter != keys.end(); ++iter)
-    {
-	std::string const& key = *iter;
-	if (key == "/Root")
-	{
-	    // handled separately
-	}
-	else
-	{
-	    updateObjectMaps(ObjUser(ObjUser::ou_trailer_key, key),
-			     this->m->trailer.getKey(key));
-	}
+    for (auto const& key: this->m->trailer.getKeys()) {
+        if (key == "/Root") {
+            // handled separately
+        } else {
+            updateObjectMaps(
+                ObjUser(ObjUser::ou_trailer_key, key),
+                this->m->trailer.getKey(key),
+                skip_stream_parameters);
+        }
     }
 
-    keys = root.getKeys();
-    for (std::set<std::string>::iterator iter = keys.begin();
-	 iter != keys.end(); ++iter)
-    {
-	// Technically, /I keys from /Thread dictionaries are supposed
-	// to be handled separately, but we are going to disregard
-	// that specification for now.  There is loads of evidence
-	// that pdlin and Acrobat both disregard things like this from
-	// time to time, so this is almost certain not to cause any
-	// problems.
-
-	std::string const& key = *iter;
-	updateObjectMaps(ObjUser(ObjUser::ou_root_key, key),
-			 root.getKey(key));
+    for (auto const& key: root.getKeys()) {
+        // Technically, /I keys from /Thread dictionaries are supposed
+        // to be handled separately, but we are going to disregard
+        // that specification for now.  There is loads of evidence
+        // that pdlin and Acrobat both disregard things like this from
+        // time to time, so this is almost certain not to cause any
+        // problems.
+        updateObjectMaps(
+            ObjUser(ObjUser::ou_root_key, key),
+            root.getKey(key),
+            skip_stream_parameters);
     }
 
     ObjUser root_ou = ObjUser(ObjUser::ou_root);
@@ -151,286 +138,247 @@
     // The record of whether we've done this is cleared by
     // updateAllPagesCache().  If we're warning for skipped keys,
     // re-traverse unconditionally.
-    if (this->m->pushed_inherited_attributes_to_pages && (! warn_skipped_keys))
-    {
+    if (this->m->pushed_inherited_attributes_to_pages && (!warn_skipped_keys)) {
         return;
     }
 
-    // Calling getAllPages() resolves any duplicated page objects.
+    // Calling getAllPages() resolves any duplicated page objects,
+    // repairs broken nodes, and detects loops, so we don't have to do
+    // those activities here.
     getAllPages();
 
     // key_ancestors is a mapping of page attribute keys to a stack of
     // Pages nodes that contain values for them.
-    std::map<std::string, std::vector<QPDFObjectHandle> > key_ancestors;
-    this->m->all_pages.clear();
-    std::set<QPDFObjGen> visited;
+    std::map<std::string, std::vector<QPDFObjectHandle>> key_ancestors;
     pushInheritedAttributesToPageInternal(
         this->m->trailer.getKey("/Root").getKey("/Pages"),
-        key_ancestors, this->m->all_pages, allow_changes, warn_skipped_keys,
-        visited);
-    if (! key_ancestors.empty())
-    {
-        throw std::logic_error(
-            "key_ancestors not empty after"
-            " pushing inherited attributes to pages");
+        key_ancestors,
+        allow_changes,
+        warn_skipped_keys);
+    if (!key_ancestors.empty()) {
+        throw std::logic_error("key_ancestors not empty after"
+                               " pushing inherited attributes to pages");
     }
     this->m->pushed_inherited_attributes_to_pages = true;
+    this->m->ever_pushed_inherited_attributes_to_pages = true;
 }
 
 void
 QPDF::pushInheritedAttributesToPageInternal(
     QPDFObjectHandle cur_pages,
-    std::map<std::string, std::vector<QPDFObjectHandle> >& key_ancestors,
-    std::vector<QPDFObjectHandle>& pages,
-    bool allow_changes, bool warn_skipped_keys,
-    std::set<QPDFObjGen>& visited)
+    std::map<std::string, std::vector<QPDFObjectHandle>>& key_ancestors,
+    bool allow_changes,
+    bool warn_skipped_keys)
 {
-    QPDFObjGen this_og = cur_pages.getObjGen();
-    if (visited.count(this_og) > 0)
-    {
-        throw QPDFExc(
-            qpdf_e_pages, this->m->file->getName(),
-            this->m->last_object_description, 0,
-            "Loop detected in /Pages structure (inherited attributes)");
-    }
-    visited.insert(this_og);
-
-    // Extract the underlying dictionary object
-    std::string type = cur_pages.getKey("/Type").getName();
-
-    if (type == "/Pages")
-    {
-	// Make a list of inheritable keys. Only the keys /MediaBox,
-	// /CropBox, /Resources, and /Rotate are inheritable
-	// attributes. Push this object onto the stack of pages nodes
-	// that have values for this attribute.
-
-	std::set<std::string> inheritable_keys;
-	std::set<std::string> keys = cur_pages.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-	    std::string const& key = *iter;
-            if ( (key == "/MediaBox") || (key == "/CropBox") ||
-                 (key == "/Resources") || (key == "/Rotate") )
-	    {
-		if (! allow_changes)
-		{
-		    throw QPDFExc(qpdf_e_internal, this->m->file->getName(),
-				  this->m->last_object_description,
-				  this->m->file->getLastOffset(),
-				  "optimize detected an "
-                                  "inheritable attribute when called "
-				  "in no-change mode");
-		}
-
-		// This is an inheritable resource
-		inheritable_keys.insert(key);
-		QPDFObjectHandle oh = cur_pages.getKey(key);
-		QTC::TC("qpdf", "QPDF opt direct pages resource",
-			oh.isIndirect() ? 0 : 1);
-		if (! oh.isIndirect())
-		{
-		    if (! oh.isScalar())
-		    {
-			// Replace shared direct object non-scalar
-			// resources with indirect objects to avoid
-			// copying large structures around.
-			cur_pages.replaceKey(key, makeIndirectObject(oh));
-			oh = cur_pages.getKey(key);
-		    }
-		    else
-		    {
-			// It's okay to copy scalars.
-			QTC::TC("qpdf", "QPDF opt inherited scalar");
-		    }
-		}
-		key_ancestorskey.push_back(oh);
-		if (key_ancestorskey.size() > 1)
-		{
-		    QTC::TC("qpdf", "QPDF opt key ancestors depth > 1");
-		}
-		// Remove this resource from this node.  It will be
-		// reattached at the page level.
-		cur_pages.removeKey(key);
-	    }
-            else if (! ((key == "/Type") || (key == "/Parent") ||
-                       (key == "/Kids") || (key == "/Count")))
-            {
-                // Warn when flattening, but not if the key is at the top
-                // level (i.e. "/Parent" not set), as we don't change these;
-                // but flattening removes intermediate /Pages nodes.
-                if ( (warn_skipped_keys) && (cur_pages.hasKey("/Parent")) )
-                {
-                    QTC::TC("qpdf", "QPDF unknown key not inherited");
-                    setLastObjectDescription("Pages object",
-                                             cur_pages.getObjectID(),
-                                             cur_pages.getGeneration());
-                    warn(QPDFExc(qpdf_e_pages, this->m->file->getName(),
-                                 this->m->last_object_description, 0,
-                                 "Unknown key " + key + " in /Pages object"
-                                 " is being discarded as a result of"
-                                 " flattening the /Pages tree"));
+    // Make a list of inheritable keys. Only the keys /MediaBox,
+    // /CropBox, /Resources, and /Rotate are inheritable
+    // attributes. Push this object onto the stack of pages nodes
+    // that have values for this attribute.
+
+    std::set<std::string> inheritable_keys;
+    for (auto const& key: cur_pages.getKeys()) {
+        if ((key == "/MediaBox") || (key == "/CropBox") ||
+            (key == "/Resources") || (key == "/Rotate")) {
+            if (!allow_changes) {
+                throw QPDFExc(
+                    qpdf_e_internal,
+                    this->m->file->getName(),
+                    this->m->last_object_description,
+                    this->m->file->getLastOffset(),
+                    "optimize detected an "
+                    "inheritable attribute when called "
+                    "in no-change mode");
+            }
+
+            // This is an inheritable resource
+            inheritable_keys.insert(key);
+            QPDFObjectHandle oh = cur_pages.getKey(key);
+            QTC::TC(
+                "qpdf",
+                "QPDF opt direct pages resource",
+                oh.isIndirect() ? 0 : 1);
+            if (!oh.isIndirect()) {
+                if (!oh.isScalar()) {
+                    // Replace shared direct object non-scalar
+                    // resources with indirect objects to avoid
+                    // copying large structures around.
+                    cur_pages.replaceKey(key, makeIndirectObject(oh));
+                    oh = cur_pages.getKey(key);
+                } else {
+                    // It's okay to copy scalars.
+                    QTC::TC("qpdf", "QPDF opt inherited scalar");
                 }
             }
-	}
+            key_ancestorskey.push_back(oh);
+            if (key_ancestorskey.size() > 1) {
+                QTC::TC("qpdf", "QPDF opt key ancestors depth > 1");
+            }
+            // Remove this resource from this node.  It will be
+            // reattached at the page level.
+            cur_pages.removeKey(key);
+        } else if (!((key == "/Type") || (key == "/Parent") ||
+                     (key == "/Kids") || (key == "/Count"))) {
+            // Warn when flattening, but not if the key is at the top
+            // level (i.e. "/Parent" not set), as we don't change these;
+            // but flattening removes intermediate /Pages nodes.
+            if ((warn_skipped_keys) && (cur_pages.hasKey("/Parent"))) {
+                QTC::TC("qpdf", "QPDF unknown key not inherited");
+                setLastObjectDescription("Pages object", cur_pages.getObjGen());
+                warn(
+                    qpdf_e_pages,
+                    this->m->last_object_description,
+                    0,
+                    ("Unknown key " + key +
+                     " in /Pages object"
+                     " is being discarded as a result of"
+                     " flattening the /Pages tree"));
+            }
+        }
+    }
 
-	// Visit descendant nodes.
-	QPDFObjectHandle kids = cur_pages.getKey("/Kids");
-	int n = kids.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
+    // Process descendant nodes. This method does not perform loop
+    // detection because all code paths that lead here follow a call
+    // to getAllPages, which already throws an exception in the event
+    // of a loop in the pages tree.
+    for (auto& kid: cur_pages.getKey("/Kids").aitems()) {
+        if (kid.isDictionaryOfType("/Pages")) {
             pushInheritedAttributesToPageInternal(
-                kids.getArrayItem(i), key_ancestors, pages,
-                allow_changes, warn_skipped_keys, visited);
-	}
-
-	// For each inheritable key, pop the stack.  If the stack
-	// becomes empty, remove it from the map.  That way, the
-	// invariant that the list of keys in key_ancestors is exactly
-	// those keys for which inheritable attributes are available.
-
-	if (! inheritable_keys.empty())
-	{
-	    QTC::TC("qpdf", "QPDF opt inheritable keys");
-	    for (std::set<std::string>::iterator iter =
-		     inheritable_keys.begin();
-		 iter != inheritable_keys.end(); ++iter)
-	    {
-		std::string const& key = (*iter);
-		key_ancestorskey.pop_back();
-		if (key_ancestorskey.empty())
-		{
-		    QTC::TC("qpdf", "QPDF opt erase empty key ancestor");
-		    key_ancestors.erase(key);
-		}
-	    }
-	}
-	else
-	{
-	    QTC::TC("qpdf", "QPDF opt no inheritable keys");
-	}
-    }
-    else if (type == "/Page")
-    {
-	// Add all available inheritable attributes not present in
-	// this object to this object.
-	for (std::map<std::string, std::vector<QPDFObjectHandle> >::iterator
-		 iter = key_ancestors.begin();
-	     iter != key_ancestors.end(); ++iter)
-	{
-	    std::string const& key = (*iter).first;
-	    if (! cur_pages.hasKey(key))
-	    {
-		QTC::TC("qpdf", "QPDF opt resource inherited");
-		cur_pages.replaceKey(key, (*iter).second.back());
-	    }
-	    else
-	    {
-		QTC::TC("qpdf", "QPDF opt page resource hides ancestor");
-	    }
-	}
-        pages.push_back(cur_pages);
+                kid, key_ancestors, allow_changes, warn_skipped_keys);
+        } else {
+            // Add all available inheritable attributes not present in
+            // this object to this object.
+            for (auto const& iter: key_ancestors) {
+                std::string const& key = iter.first;
+                if (!kid.hasKey(key)) {
+                    QTC::TC("qpdf", "QPDF opt resource inherited");
+                    kid.replaceKey(key, iter.second.back());
+                } else {
+                    QTC::TC("qpdf", "QPDF opt page resource hides ancestor");
+                }
+            }
+        }
     }
-    else
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      this->m->last_object_description,
-		      this->m->file->getLastOffset(),
-		      "invalid Type " + type + " in page tree");
+
+    // For each inheritable key, pop the stack.  If the stack
+    // becomes empty, remove it from the map.  That way, the
+    // invariant that the list of keys in key_ancestors is exactly
+    // those keys for which inheritable attributes are available.
+
+    if (!inheritable_keys.empty()) {
+        QTC::TC("qpdf", "QPDF opt inheritable keys");
+        for (auto const& key: inheritable_keys) {
+            key_ancestorskey.pop_back();
+            if (key_ancestorskey.empty()) {
+                QTC::TC("qpdf", "QPDF opt erase empty key ancestor");
+                key_ancestors.erase(key);
+            }
+        }
+    } else {
+        QTC::TC("qpdf", "QPDF opt no inheritable keys");
     }
-    visited.erase(this_og);
 }
 
 void
-QPDF::updateObjectMaps(ObjUser const& ou, QPDFObjectHandle oh)
+QPDF::updateObjectMaps(
+    ObjUser const& ou,
+    QPDFObjectHandle oh,
+    std::function<int(QPDFObjectHandle&)> skip_stream_parameters)
 {
     std::set<QPDFObjGen> visited;
-    updateObjectMapsInternal(ou, oh, visited, true);
+    updateObjectMapsInternal(ou, oh, skip_stream_parameters, visited, true, 0);
 }
 
 void
-QPDF::updateObjectMapsInternal(ObjUser const& ou, QPDFObjectHandle oh,
-			       std::set<QPDFObjGen>& visited, bool top)
+QPDF::updateObjectMapsInternal(
+    ObjUser const& ou,
+    QPDFObjectHandle oh,
+    std::function<int(QPDFObjectHandle&)> skip_stream_parameters,
+    std::set<QPDFObjGen>& visited,
+    bool top,
+    int depth)
 {
     // Traverse the object tree from this point taking care to avoid
     // crossing page boundaries.
 
     bool is_page_node = false;
 
-    if (oh.isDictionary() && oh.hasKey("/Type"))
-    {
-	std::string type = oh.getKey("/Type").getName();
-	if (type == "/Page")
-	{
-	    is_page_node = true;
-	    if (! top)
-	    {
-		return;
-	    }
-	}
+    if (oh.isDictionaryOfType("/Page")) {
+        is_page_node = true;
+        if (!top) {
+            return;
+        }
     }
 
-    if (oh.isIndirect())
-    {
-	QPDFObjGen og(oh.getObjGen());
-	if (visited.count(og))
-	{
-	    QTC::TC("qpdf", "QPDF opt loop detected");
-	    return;
-	}
-	this->m->obj_user_to_objectsou.insert(og);
-	this->m->object_to_obj_usersog.insert(ou);
-	visited.insert(og);
+    if (oh.isIndirect()) {
+        QPDFObjGen og(oh.getObjGen());
+        if (visited.count(og)) {
+            QTC::TC("qpdf", "QPDF opt loop detected");
+            return;
+        }
+        this->m->obj_user_to_objectsou.insert(og);
+        this->m->object_to_obj_usersog.insert(ou);
+        visited.insert(og);
     }
 
-    if (oh.isArray())
-    {
-	int n = oh.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
-	    updateObjectMapsInternal(ou, oh.getArrayItem(i), visited, false);
-	}
-    }
-    else if (oh.isDictionary() || oh.isStream())
-    {
-	QPDFObjectHandle dict = oh;
-	if (oh.isStream())
-	{
-	    dict = oh.getDict();
-	}
-
-	std::set<std::string> keys = dict.getKeys();
-	for (std::set<std::string>::iterator iter = keys.begin();
-	     iter != keys.end(); ++iter)
-	{
-	    std::string const& key = *iter;
-	    if (is_page_node && (key == "/Thumb"))
-	    {
-		// Traverse page thumbnail dictionaries as a special
-		// case.
-		updateObjectMaps(ObjUser(ObjUser::ou_thumb, ou.pageno),
-				 dict.getKey(key));
-	    }
-	    else if (is_page_node && (key == "/Parent"))
-	    {
-		// Don't traverse back up the page tree
-	    }
-	    else
-	    {
-		updateObjectMapsInternal(ou, dict.getKey(key),
-					 visited, false);
-	    }
-	}
+    if (oh.isArray()) {
+        int n = oh.getArrayNItems();
+        for (int i = 0; i < n; ++i) {
+            updateObjectMapsInternal(
+                ou,
+                oh.getArrayItem(i),
+                skip_stream_parameters,
+                visited,
+                false,
+                1 + depth);
+        }
+    } else if (oh.isDictionary() || oh.isStream()) {
+        QPDFObjectHandle dict = oh;
+        bool is_stream = oh.isStream();
+        int ssp = 0;
+        if (is_stream) {
+            dict = oh.getDict();
+            if (skip_stream_parameters) {
+                ssp = skip_stream_parameters(oh);
+            }
+        }
+
+        for (auto const& key: dict.getKeys()) {
+            if (is_page_node && (key == "/Thumb")) {
+                // Traverse page thumbnail dictionaries as a special
+                // case.
+                updateObjectMapsInternal(
+                    ObjUser(ObjUser::ou_thumb, ou.pageno),
+                    dict.getKey(key),
+                    skip_stream_parameters,
+                    visited,
+                    false,
+                    1 + depth);
+            } else if (is_page_node && (key == "/Parent")) {
+                // Don't traverse back up the page tree
+            } else if (
+                ((ssp >= 1) && (key == "/Length")) ||
+                ((ssp >= 2) &&
+                 ((key == "/Filter") || (key == "/DecodeParms")))) {
+                // Don't traverse into stream parameters that we are
+                // not going to write.
+            } else {
+                updateObjectMapsInternal(
+                    ou,
+                    dict.getKey(key),
+                    skip_stream_parameters,
+                    visited,
+                    false,
+                    1 + depth);
+            }
+        }
     }
 }
 
 void
 QPDF::filterCompressedObjects(std::map<int, int> const& object_stream_data)
 {
-    if (object_stream_data.empty())
-    {
-	return;
+    if (object_stream_data.empty()) {
+        return;
     }
 
     // Transform object_to_obj_users and obj_user_to_objects so that
@@ -438,53 +386,33 @@
     // user of a compressed object, then it is really a user of the
     // object stream that contains it.
 
-    std::map<ObjUser, std::set<QPDFObjGen> > t_obj_user_to_objects;
-    std::map<QPDFObjGen, std::set<ObjUser> > t_object_to_obj_users;
-
-    for (std::map<ObjUser, std::set<QPDFObjGen> >::iterator i1 =
-	     this->m->obj_user_to_objects.begin();
-	 i1 != this->m->obj_user_to_objects.end(); ++i1)
-    {
-	ObjUser const& ou = (*i1).first;
-	std::set<QPDFObjGen> const& objects = (*i1).second;
-	for (std::set<QPDFObjGen>::const_iterator i2 = objects.begin();
-	     i2 != objects.end(); ++i2)
-	{
-	    QPDFObjGen const& og = (*i2);
-	    std::map<int, int>::const_iterator i3 =
-		object_stream_data.find(og.getObj());
-	    if (i3 == object_stream_data.end())
-	    {
-		t_obj_user_to_objectsou.insert(og);
-	    }
-	    else
-	    {
-		t_obj_user_to_objectsou.insert(QPDFObjGen((*i3).second, 0));
-	    }
-	}
+    std::map<ObjUser, std::set<QPDFObjGen>> t_obj_user_to_objects;
+    std::map<QPDFObjGen, std::set<ObjUser>> t_object_to_obj_users;
+
+    for (auto const& i1: this->m->obj_user_to_objects) {
+        ObjUser const& ou = i1.first;
+        // Loop over objects.
+        for (auto const& og: i1.second) {
+            auto i2 = object_stream_data.find(og.getObj());
+            if (i2 == object_stream_data.end()) {
+                t_obj_user_to_objectsou.insert(og);
+            } else {
+                t_obj_user_to_objectsou.insert(QPDFObjGen(i2->second, 0));
+            }
+        }
     }
 
-    for (std::map<QPDFObjGen, std::set<ObjUser> >::iterator i1 =
-	     this->m->object_to_obj_users.begin();
-	 i1 != this->m->object_to_obj_users.end(); ++i1)
-    {
-	QPDFObjGen const& og = (*i1).first;
-	std::set<ObjUser> const& objusers = (*i1).second;
-	for (std::set<ObjUser>::const_iterator i2 = objusers.begin();
-	     i2 != objusers.end(); ++i2)
-	{
-	    ObjUser const& ou = (*i2);
-	    std::map<int, int>::const_iterator i3 =
-		object_stream_data.find(og.getObj());
-	    if (i3 == object_stream_data.end())
-	    {
-		t_object_to_obj_usersog.insert(ou);
-	    }
-	    else
-	    {
-		t_object_to_obj_usersQPDFObjGen((*i3).second, 0).insert(ou);
-	    }
-	}
+    for (auto const& i1: this->m->object_to_obj_users) {
+        QPDFObjGen const& og = i1.first;
+        // Loop over obj_users.
+        for (auto const& ou: i1.second) {
+            auto i2 = object_stream_data.find(og.getObj());
+            if (i2 == object_stream_data.end()) {
+                t_object_to_obj_usersog.insert(ou);
+            } else {
+                t_object_to_obj_usersQPDFObjGen(i2->second, 0).insert(ou);
+            }
+        }
     }
 
     this->m->obj_user_to_objects = t_obj_user_to_objects;

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QPDF_pages.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QPDF_pages.cc Changed

@@ -1,10 +1,8 @@
 #include <qpdf/QPDF.hh>
 
-#include <assert.h>
-
+#include <qpdf/QPDFExc.hh>
 #include <qpdf/QTC.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/QPDFExc.hh>
 
 // In support of page manipulation APIs, these methods internally
 // maintain state about pages in a pair of data structures: all_pages,
@@ -14,7 +12,17 @@
 // to all_pages and has been in the public API long before the
 // introduction of mutation APIs, so we're pretty much stuck with it.
 // Anyway, there are lots of calls to it in the library, so the
-// efficiency of having it cached is probably worth keeping it.
+// efficiency of having it cached is probably worth keeping it. At one
+// point, I had partially implemented a helper class specifically for
+// the pages tree, but once you work in all the logic that handles
+// repairing the /Type keys of page tree nodes (both /Pages and /Page)
+// and deal with duplicate pages, it's just as complex and less
+// efficient than what's here. So, in spite of the fact that a const
+// reference is returned, the current code is fine and does not need
+// to be replaced. A partial implementation of QPDFPagesTree is in
+// github in attic in case there is ever a reason to resurrect it.
+// There are additional notes in README-maintainer, which also refers
+// to this comment.
 
 // The goal of this code is to ensure that the all_pages vector, which
 // users may have a reference to, and the pageobj_to_pages_pos map,
@@ -45,82 +53,98 @@
 {
     // Note that pushInheritedAttributesToPage may also be used to
     // initialize this->m->all_pages.
-    if (this->m->all_pages.empty())
-    {
+    if (this->m->all_pages.empty()) {
+        this->m->ever_called_get_all_pages = true;
         std::set<QPDFObjGen> visited;
         std::set<QPDFObjGen> seen;
-	getAllPagesInternal(getRoot().getKey("/Pages"), this->m->all_pages,
-                            visited, seen);
+        QPDFObjectHandle pages = getRoot().getKey("/Pages");
+        bool warned = false;
+        bool changed_pages = false;
+        while (pages.isDictionary() && pages.hasKey("/Parent")) {
+            if (seen.count(pages.getObjGen())) {
+                // loop -- will be detected again and reported later
+                break;
+            }
+            // Files have been found in the wild where /Pages in the
+            // catalog points to the first page. Try to work around
+            // this and similar cases with this heuristic.
+            if (!warned) {
+                getRoot().warnIfPossible(
+                    "document page tree root (root -> /Pages) doesn't point"
+                    " to the root of the page tree; attempting to correct");
+                warned = true;
+            }
+            seen.insert(pages.getObjGen());
+            changed_pages = true;
+            pages = pages.getKey("/Parent");
+        }
+        if (changed_pages) {
+            getRoot().replaceKey("/Pages", pages);
+        }
+        seen.clear();
+        if (pages.hasKey("/Kids")) {
+            // Ensure we actually found a /Pages object.
+            getAllPagesInternal(pages, visited, seen);
+        }
     }
     return this->m->all_pages;
 }
 
 void
-QPDF::getAllPagesInternal(QPDFObjectHandle cur_pages,
-                          std::vector<QPDFObjectHandle>& result,
-                          std::set<QPDFObjGen>& visited,
-                          std::set<QPDFObjGen>& seen)
+QPDF::getAllPagesInternal(
+    QPDFObjectHandle cur_node,
+    std::set<QPDFObjGen>& visited,
+    std::set<QPDFObjGen>& seen)
 {
-    QPDFObjGen this_og = cur_pages.getObjGen();
-    if (visited.count(this_og) > 0)
-    {
+    QPDFObjGen cur_node_og = cur_node.getObjGen();
+    if (visited.count(cur_node_og) > 0) {
         throw QPDFExc(
-            qpdf_e_pages, this->m->file->getName(),
-            this->m->last_object_description, 0,
+            qpdf_e_pages,
+            this->m->file->getName(),
+            this->m->last_object_description,
+            0,
             "Loop detected in /Pages structure (getAllPages)");
     }
-    visited.insert(this_og);
-    std::string type;
-    QPDFObjectHandle type_key = cur_pages.getKey("/Type");
-    if (type_key.isName())
-    {
-        type = type_key.getName();
-    }
-    else if (cur_pages.hasKey("/Kids"))
-    {
-        type = "/Pages";
+    visited.insert(cur_node_og);
+    if (!cur_node.isDictionaryOfType("/Pages")) {
+        cur_node.warnIfPossible(
+            "/Type key should be /Pages but is not; overriding");
+        cur_node.replaceKey("/Type", "/Pages"_qpdf);
     }
-    else
-    {
-        type = "/Page";
-    }
-    if (type == "/Pages")
-    {
-	QPDFObjectHandle kids = cur_pages.getKey("/Kids");
-	int n = kids.getArrayNItems();
-	for (int i = 0; i < n; ++i)
-	{
-            QPDFObjectHandle kid = kids.getArrayItem(i);
-            if (! kid.isIndirect())
-            {
+    auto kids = cur_node.getKey("/Kids");
+    int n = kids.getArrayNItems();
+    for (int i = 0; i < n; ++i) {
+        auto kid = kids.getArrayItem(i);
+        if (kid.hasKey("/Kids")) {
+            getAllPagesInternal(kid, visited, seen);
+        } else {
+            if (!kid.isIndirect()) {
                 QTC::TC("qpdf", "QPDF handle direct page object");
+                cur_node.warnIfPossible(
+                    "kid " + QUtil::int_to_string(i) +
+                    " (from 0) is direct; converting to indirect");
                 kid = makeIndirectObject(kid);
                 kids.setArrayItem(i, kid);
-            }
-            else if (seen.count(kid.getObjGen()))
-            {
+            } else if (seen.count(kid.getObjGen())) {
                 // Make a copy of the page. This does the same as
                 // shallowCopyPage in QPDFPageObjectHelper.
                 QTC::TC("qpdf", "QPDF resolve duplicated page object");
+                cur_node.warnIfPossible(
+                    "kid " + QUtil::int_to_string(i) +
+                    " (from 0) appears more than once in the pages tree;"
+                    " creating a new page object as a copy");
                 kid = makeIndirectObject(QPDFObjectHandle(kid).shallowCopy());
                 kids.setArrayItem(i, kid);
             }
-	    getAllPagesInternal(kid, result, visited, seen);
-	}
-    }
-    else if (type == "/Page")
-    {
-        seen.insert(this_og);
-	result.push_back(cur_pages);
-    }
-    else
-    {
-	throw QPDFExc(qpdf_e_damaged_pdf, this->m->file->getName(),
-		      this->m->last_object_description,
-		      this->m->file->getLastOffset(),
-		      "invalid Type " + type + " in page tree");
+            if (!kid.isDictionaryOfType("/Page")) {
+                kid.warnIfPossible(
+                    "/Type key should be /Page but is not; overriding");
+                kid.replaceKey("/Type", "/Page"_qpdf);
+            }
+            seen.insert(kid.getObjGen());
+            m->all_pages.push_back(kid);
+        }
     }
-    visited.erase(this_og);
 }
 
 void
@@ -143,8 +167,7 @@
     // If not already done, flatten the /Pages structure and
     // initialize pageobj_to_pages_pos.
 
-    if (! this->m->pageobj_to_pages_pos.empty())
-    {
+    if (!this->m->pageobj_to_pages_pos.empty()) {
         return;
     }
 
@@ -154,44 +177,45 @@
 
     QPDFObjectHandle pages = getRoot().getKey("/Pages");
 
-    int const len = this->m->all_pages.size();
-    for (int pos = 0; pos < len; ++pos)
-    {
-        // populate pageobj_to_pages_pos and fix parent pointer
-        insertPageobjToPage(this->m->all_pages.at(pos), pos, true);
+    size_t const len = this->m->all_pages.size();
+    for (size_t pos = 0; pos < len; ++pos) {
+        // Populate pageobj_to_pages_pos and fix parent pointer. There
+        // should be no duplicates at this point because
+        // pushInheritedAttributesToPage calls getAllPages which
+        // resolves duplicates.
+        insertPageobjToPage(this->m->all_pages.at(pos), toI(pos), true);
         this->m->all_pages.at(pos).replaceKey("/Parent", pages);
     }
 
     pages.replaceKey("/Kids", QPDFObjectHandle::newArray(this->m->all_pages));
     // /Count has not changed
-    if (pages.getKey("/Count").getIntValue() != len)
-    {
-        throw std::logic_error("/Count is wrong after flattening pages tree");
+    if (pages.getKey("/Count").getUIntValue() != len) {
+        throw std::runtime_error("/Count is wrong after flattening pages tree");
     }
 }
 
 void
-QPDF::insertPageobjToPage(QPDFObjectHandle const& obj, int pos,
-                          bool check_duplicate)
+QPDF::insertPageobjToPage(
+    QPDFObjectHandle const& obj, int pos, bool check_duplicate)
 {
     QPDFObjGen og(obj.getObjGen());
-    if (check_duplicate)
-    {
-        if (! this->m->pageobj_to_pages_pos.insert(
-                std::make_pair(og, pos)).second)
-        {
-            QTC::TC("qpdf", "QPDF duplicate page reference");
-            setLastObjectDescription("page " + QUtil::int_to_string(pos) +
-                                     " (numbered from zero)",
-                                     og.getObj(), og.getGen());
-            throw QPDFExc(qpdf_e_pages, this->m->file->getName(),
-                          this->m->last_object_description, 0,
-                          "duplicate page reference found;"
-                          " this would cause loss of data");
+    if (check_duplicate) {
+        if (!this->m->pageobj_to_pages_pos.insert(std::make_pair(og, pos))
+                 .second) {
+            // The library never calls insertPageobjToPage in a way
+            // that causes this to happen.
+            setLastObjectDescription(
+                "page " + QUtil::int_to_string(pos) + " (numbered from zero)",
+                og);
+            throw QPDFExc(
+                qpdf_e_pages,
+                this->m->file->getName(),
+                this->m->last_object_description,
+                0,
+                "duplicate page reference found;"
+                " this would cause loss of data");
         }
-    }
-    else
-    {
+    } else {
         this->m->pageobj_to_pages_posog = pos;
     }
 }
@@ -204,55 +228,61 @@
 
     flattenPagesTree();
 
-    if (! newpage.isIndirect())
-    {
+    if (!newpage.isIndirect()) {
         QTC::TC("qpdf", "QPDF insert non-indirect page");
         newpage = makeIndirectObject(newpage);
-    }
-    else if (newpage.getOwningQPDF() != this)
-    {
+    } else if (newpage.getOwningQPDF() != this) {
         QTC::TC("qpdf", "QPDF insert foreign page");
-        newpage.getOwningQPDF()->pushInheritedAttributesToPage();
+        newpage.getQPDF().pushInheritedAttributesToPage();
         newpage = copyForeignObject(newpage);
-    }
-    else
-    {
+    } else {
         QTC::TC("qpdf", "QPDF insert indirect page");
     }
 
-    QTC::TC("qpdf", "QPDF insert page",
-            (pos == 0) ? 0 :                      // insert at beginning
-            (pos == static_cast<int>(this->m->all_pages.size())) ? 1 : // at end
-            2);                                   // insert in middle
+    if ((pos < 0) || (QIntC::to_size(pos) > this->m->all_pages.size())) {
+        throw std::runtime_error(
+            "QPDF::insertPage called with pos out of range");
+    }
+
+    QTC::TC(
+        "qpdf",
+        "QPDF insert page",
+        (pos == 0) ? 0 : // insert at beginning
+            (pos == QIntC::to_int(this->m->all_pages.size())) ? 1
+                                                              : // at end
+            2); // insert in middle
+
+    auto og = newpage.getObjGen();
+    if (this->m->pageobj_to_pages_pos.count(og)) {
+        QTC::TC("qpdf", "QPDF resolve duplicated page in insert");
+        newpage = makeIndirectObject(QPDFObjectHandle(newpage).shallowCopy());
+    }
 
     QPDFObjectHandle pages = getRoot().getKey("/Pages");
     QPDFObjectHandle kids = pages.getKey("/Kids");
-    assert ((pos >= 0) &&
-            (static_cast<size_t>(pos) <= this->m->all_pages.size()));
 
     newpage.replaceKey("/Parent", pages);
     kids.insertItem(pos, newpage);
     int npages = kids.getArrayNItems();
     pages.replaceKey("/Count", QPDFObjectHandle::newInteger(npages));
     this->m->all_pages.insert(this->m->all_pages.begin() + pos, newpage);
-    assert(this->m->all_pages.size() == static_cast<size_t>(npages));
-    for (int i = pos + 1; i < npages; ++i)
-    {
-        insertPageobjToPage(this->m->all_pages.at(i), i, false);
+    for (int i = pos + 1; i < npages; ++i) {
+        insertPageobjToPage(this->m->all_pages.at(toS(i)), i, false);
     }
     insertPageobjToPage(newpage, pos, true);
-    assert(this->m->pageobj_to_pages_pos.size() == static_cast<size_t>(npages));
 }
 
 void
 QPDF::removePage(QPDFObjectHandle page)
 {
     int pos = findPage(page); // also ensures flat /Pages
-    QTC::TC("qpdf", "QPDF remove page",
-            (pos == 0) ? 0 :                            // remove at beginning
-            (pos == static_cast<int>(
-                this->m->all_pages.size() - 1)) ? 1 :   // end
-            2);                                         // remove in middle
+    QTC::TC(
+        "qpdf",
+        "QPDF remove page",
+        (pos == 0) ? 0 : // remove at beginning
+            (pos == QIntC::to_int(this->m->all_pages.size() - 1)) ? 1
+                                                                  : // end
+            2); // remove in middle
 
     QPDFObjectHandle pages = getRoot().getKey("/Pages");
     QPDFObjectHandle kids = pages.getKey("/Kids");
@@ -261,22 +291,17 @@
     int npages = kids.getArrayNItems();
     pages.replaceKey("/Count", QPDFObjectHandle::newInteger(npages));
     this->m->all_pages.erase(this->m->all_pages.begin() + pos);
-    assert(this->m->all_pages.size() == static_cast<size_t>(npages));
     this->m->pageobj_to_pages_pos.erase(page.getObjGen());
-    assert(this->m->pageobj_to_pages_pos.size() == static_cast<size_t>(npages));
-    for (int i = pos; i < npages; ++i)
-    {
-        insertPageobjToPage(this->m->all_pages.at(i), i, false);
+    for (int i = pos; i < npages; ++i) {
+        insertPageobjToPage(this->m->all_pages.at(toS(i)), i, false);
     }
 }
 
 void
-QPDF::addPageAt(QPDFObjectHandle newpage, bool before,
-                QPDFObjectHandle refpage)
+QPDF::addPageAt(QPDFObjectHandle newpage, bool before, QPDFObjectHandle refpage)
 {
     int refpos = findPage(refpage);
-    if (! before)
-    {
+    if (!before) {
         ++refpos;
     }
     insertPage(newpage, refpos);
@@ -285,14 +310,12 @@
 void
 QPDF::addPage(QPDFObjectHandle newpage, bool first)
 {
-    if (first)
-    {
+    if (first) {
         insertPage(newpage, 0);
-    }
-    else
-    {
-        insertPage(newpage,
-                   getRoot().getKey("/Pages").getKey("/Count").getIntValue());
+    } else {
+        insertPage(
+            newpage,
+            getRoot().getKey("/Pages").getKey("/Count").getIntValueAsInt());
     }
 }
 
@@ -306,14 +329,16 @@
 QPDF::findPage(QPDFObjGen const& og)
 {
     flattenPagesTree();
-    std::map<QPDFObjGen, int>::iterator it =
-        this->m->pageobj_to_pages_pos.find(og);
-    if (it == this->m->pageobj_to_pages_pos.end())
-    {
-        setLastObjectDescription("page object", og.getObj(), og.getGen());
-        throw QPDFExc(qpdf_e_pages, this->m->file->getName(),
-                      this->m->last_object_description, 0,
-                      "page object not referenced in /Pages tree");
+    auto it = this->m->pageobj_to_pages_pos.find(og);
+    if (it == this->m->pageobj_to_pages_pos.end()) {
+        QTC::TC("qpdf", "QPDF_pages findPage not found");
+        setLastObjectDescription("page object", og);
+        throw QPDFExc(
+            qpdf_e_pages,
+            this->m->file->getName(),
+            this->m->last_object_description,
+            0,
+            "page object not referenced in /Pages tree");
     }
     return (*it).second;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QTC.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QTC.cc Changed

@@ -1,39 +1,46 @@
 #include <qpdf/QTC.hh>
 
+#include <qpdf/QUtil.hh>
+#include <map>
 #include <set>
 #include <stdio.h>
-#include <qpdf/QUtil.hh>
 
-static bool tc_active(char const* const scope)
+static bool
+tc_active(char const* const scope)
 {
     std::string value;
     return (QUtil::get_env("TC_SCOPE", &value) && (value == scope));
 }
 
-void QTC::TC(char const* const scope, char const* const ccase, int n)
+void
+QTC::TC_real(char const* const scope, char const* const ccase, int n)
 {
-    static std::set<std::pair<std::string, int> > cache;
+    static std::map<std::string, bool> active;
+    auto is_active = active.find(scope);
+    if (is_active == active.end()) {
+        activescope = tc_active(scope);
+        is_active = active.find(scope);
+    }
 
-    if (! tc_active(scope))
-    {
-	return;
+    if (!is_active->second) {
+        return;
     }
 
+    static std::set<std::pair<std::string, int>> cache;
+
     std::string filename;
 #ifdef _WIN32
 # define TC_ENV "TC_WIN_FILENAME"
 #else
 # define TC_ENV "TC_FILENAME"
 #endif
-    if (! QUtil::get_env(TC_ENV, &filename))
-    {
-	return;
+    if (!QUtil::get_env(TC_ENV, &filename)) {
+        return;
     }
 #undef TC_ENV
 
-    if (cache.count(std::make_pair(ccase, n)))
-    {
-	return;
+    if (cache.count(std::make_pair(ccase, n))) {
+        return;
     }
     cache.insert(std::make_pair(ccase, n));

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/QUtil.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/QUtil.cc Changed

@@ -2,285 +2,394 @@
 #include <qpdf/qpdf-config.h>
 
 #include <qpdf/QUtil.hh>
-#include <qpdf/PointerHolder.hh>
-#ifdef USE_INSECURE_RANDOM
-# include <qpdf/InsecureRandomDataProvider.hh>
-#endif
-#include <qpdf/SecureRandomDataProvider.hh>
+
+#include <qpdf/CryptoRandomDataProvider.hh>
+#include <qpdf/Pipeline.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDFSystemError.hh>
 #include <qpdf/QTC.hh>
 
 #include <cmath>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <fstream>
 #include <iomanip>
+#include <locale>
+#include <map>
+#include <memory>
+#include <regex>
+#include <set>
 #include <sstream>
-#include <fstream>
 #include <stdexcept>
-#include <set>
 #include <stdio.h>
-#include <errno.h>
-#include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
-#include <fcntl.h>
+#ifndef QPDF_NO_WCHAR_T
+# include <cwchar>
+#endif
 #ifdef _WIN32
-#include <windows.h>
-#include <direct.h>
-#include <io.h>
+# define WIN32_LEAN_AND_MEAN
+# include <direct.h>
+# include <io.h>
+# include <windows.h>
 #else
-#include <unistd.h>
-#include <sys/stat.h>
+# include <sys/stat.h>
+# include <unistd.h>
+#endif
+#ifdef HAVE_MALLOC_INFO
+# include <malloc.h>
 #endif
 
-// First element is 128
+// First element is 24
+static unsigned short pdf_doc_low_to_unicode = {
+    0x02d8, // 0x18    BREVE
+    0x02c7, // 0x19    CARON
+    0x02c6, // 0x1a    MODIFIER LETTER CIRCUMFLEX ACCENT
+    0x02d9, // 0x1b    DOT ABOVE
+    0x02dd, // 0x1c    DOUBLE ACUTE ACCENT
+    0x02db, // 0x1d    OGONEK
+    0x02da, // 0x1e    RING ABOVE
+    0x02dc, // 0x1f    SMALL TILDE
+};
+// First element is 127
 static unsigned short pdf_doc_to_unicode = {
-    0x2022,    // 0x80    BULLET
-    0x2020,    // 0x81    DAGGER
-    0x2021,    // 0x82    DOUBLE DAGGER
-    0x2026,    // 0x83    HORIZONTAL ELLIPSIS
-    0x2014,    // 0x84    EM DASH
-    0x2013,    // 0x85    EN DASH
-    0x0192,    // 0x86    SMALL LETTER F WITH HOOK
-    0x2044,    // 0x87    FRACTION SLASH (solidus)
-    0x2039,    // 0x88    SINGLE LEFT-POINTING ANGLE QUOTATION MARK
-    0x203a,    // 0x89    SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
-    0x2212,    // 0x8a    MINUS SIGN
-    0x2030,    // 0x8b    PER MILLE SIGN
-    0x201e,    // 0x8c    DOUBLE LOW-9 QUOTATION MARK (quotedblbase)
-    0x201c,    // 0x8d    LEFT DOUBLE QUOTATION MARK (double quote left)
-    0x201d,    // 0x8e    RIGHT DOUBLE QUOTATION MARK (quotedblright)
-    0x2018,    // 0x8f    LEFT SINGLE QUOTATION MARK (quoteleft)
-    0x2019,    // 0x90    RIGHT SINGLE QUOTATION MARK (quoteright)
-    0x201a,    // 0x91    SINGLE LOW-9 QUOTATION MARK (quotesinglbase)
-    0x2122,    // 0x92    TRADE MARK SIGN
-    0xfb01,    // 0x93    LATIN SMALL LIGATURE FI
-    0xfb02,    // 0x94    LATIN SMALL LIGATURE FL
-    0x0141,    // 0x95    LATIN CAPITAL LETTER L WITH STROKE
-    0x0152,    // 0x96    LATIN CAPITAL LIGATURE OE
-    0x0160,    // 0x97    LATIN CAPITAL LETTER S WITH CARON
-    0x0178,    // 0x98    LATIN CAPITAL LETTER Y WITH DIAERESIS
-    0x017d,    // 0x99    LATIN CAPITAL LETTER Z WITH CARON
-    0x0131,    // 0x9a    LATIN SMALL LETTER DOTLESS I
-    0x0142,    // 0x9b    LATIN SMALL LETTER L WITH STROKE
-    0x0153,    // 0x9c    LATIN SMALL LIGATURE OE
-    0x0161,    // 0x9d    LATIN SMALL LETTER S WITH CARON
-    0x017e,    // 0x9e    LATIN SMALL LETTER Z WITH CARON
-    0xfffd,    // 0x9f    UNDEFINED
-    0x20ac,    // 0xa0    EURO SIGN
+    0xfffd, // 0x7f    UNDEFINED
+    0x2022, // 0x80    BULLET
+    0x2020, // 0x81    DAGGER
+    0x2021, // 0x82    DOUBLE DAGGER
+    0x2026, // 0x83    HORIZONTAL ELLIPSIS
+    0x2014, // 0x84    EM DASH
+    0x2013, // 0x85    EN DASH
+    0x0192, // 0x86    SMALL LETTER F WITH HOOK
+    0x2044, // 0x87    FRACTION SLASH (solidus)
+    0x2039, // 0x88    SINGLE LEFT-POINTING ANGLE QUOTATION MARK
+    0x203a, // 0x89    SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
+    0x2212, // 0x8a    MINUS SIGN
+    0x2030, // 0x8b    PER MILLE SIGN
+    0x201e, // 0x8c    DOUBLE LOW-9 QUOTATION MARK (quotedblbase)
+    0x201c, // 0x8d    LEFT DOUBLE QUOTATION MARK (double quote left)
+    0x201d, // 0x8e    RIGHT DOUBLE QUOTATION MARK (quotedblright)
+    0x2018, // 0x8f    LEFT SINGLE QUOTATION MARK (quoteleft)
+    0x2019, // 0x90    RIGHT SINGLE QUOTATION MARK (quoteright)
+    0x201a, // 0x91    SINGLE LOW-9 QUOTATION MARK (quotesinglbase)
+    0x2122, // 0x92    TRADE MARK SIGN
+    0xfb01, // 0x93    LATIN SMALL LIGATURE FI
+    0xfb02, // 0x94    LATIN SMALL LIGATURE FL
+    0x0141, // 0x95    LATIN CAPITAL LETTER L WITH STROKE
+    0x0152, // 0x96    LATIN CAPITAL LIGATURE OE
+    0x0160, // 0x97    LATIN CAPITAL LETTER S WITH CARON
+    0x0178, // 0x98    LATIN CAPITAL LETTER Y WITH DIAERESIS
+    0x017d, // 0x99    LATIN CAPITAL LETTER Z WITH CARON
+    0x0131, // 0x9a    LATIN SMALL LETTER DOTLESS I
+    0x0142, // 0x9b    LATIN SMALL LETTER L WITH STROKE
+    0x0153, // 0x9c    LATIN SMALL LIGATURE OE
+    0x0161, // 0x9d    LATIN SMALL LETTER S WITH CARON
+    0x017e, // 0x9e    LATIN SMALL LETTER Z WITH CARON
+    0xfffd, // 0x9f    UNDEFINED
+    0x20ac, // 0xa0    EURO SIGN
 };
 static unsigned short win_ansi_to_unicode = {
-    0x20ac,    // 0x80
-    0xfffd,    // 0x81
-    0x201a,    // 0x82
-    0x0192,    // 0x83
-    0x201e,    // 0x84
-    0x2026,    // 0x85
-    0x2020,    // 0x86
-    0x2021,    // 0x87
-    0x02c6,    // 0x88
-    0x2030,    // 0x89
-    0x0160,    // 0x8a
-    0x2039,    // 0x8b
-    0x0152,    // 0x8c
-    0xfffd,    // 0x8d
-    0x017d,    // 0x8e
-    0xfffd,    // 0x8f
-    0xfffd,    // 0x90
-    0x2018,    // 0x91
-    0x2019,    // 0x92
-    0x201c,    // 0x93
-    0x201d,    // 0x94
-    0x2022,    // 0x95
-    0x2013,    // 0x96
-    0x2014,    // 0x97
-    0x0303,    // 0x98
-    0x2122,    // 0x99
-    0x0161,    // 0x9a
-    0x203a,    // 0x9b
-    0x0153,    // 0x9c
-    0xfffd,    // 0x9d
-    0x017e,    // 0x9e
-    0x0178,    // 0x9f
-    0x00a0,    // 0xa0
+    0x20ac, // 0x80
+    0xfffd, // 0x81
+    0x201a, // 0x82
+    0x0192, // 0x83
+    0x201e, // 0x84
+    0x2026, // 0x85
+    0x2020, // 0x86
+    0x2021, // 0x87
+    0x02c6, // 0x88
+    0x2030, // 0x89
+    0x0160, // 0x8a
+    0x2039, // 0x8b
+    0x0152, // 0x8c
+    0xfffd, // 0x8d
+    0x017d, // 0x8e
+    0xfffd, // 0x8f
+    0xfffd, // 0x90
+    0x2018, // 0x91
+    0x2019, // 0x92
+    0x201c, // 0x93
+    0x201d, // 0x94
+    0x2022, // 0x95
+    0x2013, // 0x96
+    0x2014, // 0x97
+    0x0303, // 0x98
+    0x2122, // 0x99
+    0x0161, // 0x9a
+    0x203a, // 0x9b
+    0x0153, // 0x9c
+    0xfffd, // 0x9d
+    0x017e, // 0x9e
+    0x0178, // 0x9f
+    0x00a0, // 0xa0
 };
 static unsigned short mac_roman_to_unicode = {
-    0x00c4,    // 0x80
-    0x00c5,    // 0x81
-    0x00c7,    // 0x82
-    0x00c9,    // 0x83
-    0x00d1,    // 0x84
-    0x00d6,    // 0x85
-    0x00dc,    // 0x86
-    0x00e1,    // 0x87
-    0x00e0,    // 0x88
-    0x00e2,    // 0x89
-    0x00e4,    // 0x8a
-    0x00e3,    // 0x8b
-    0x00e5,    // 0x8c
-    0x00e7,    // 0x8d
-    0x00e9,    // 0x8e
-    0x00e8,    // 0x8f
-    0x00ea,    // 0x90
-    0x00eb,    // 0x91
-    0x00ed,    // 0x92
-    0x00ec,    // 0x93
-    0x00ee,    // 0x94
-    0x00ef,    // 0x95
-    0x00f1,    // 0x96
-    0x00f3,    // 0x97
-    0x00f2,    // 0x98
-    0x00f4,    // 0x99
-    0x00f6,    // 0x9a
-    0x00f5,    // 0x9b
-    0x00fa,    // 0x9c
-    0x00f9,    // 0x9d
-    0x00fb,    // 0x9e
-    0x00fc,    // 0x9f
-    0x2020,    // 0xa0
-    0x00b0,    // 0xa1
-    0x00a2,    // 0xa2
-    0x00a3,    // 0xa3
-    0x00a7,    // 0xa4
-    0x2022,    // 0xa5
-    0x00b6,    // 0xa6
-    0x00df,    // 0xa7
-    0x00ae,    // 0xa8
-    0x00a9,    // 0xa9
-    0x2122,    // 0xaa
-    0x0301,    // 0xab
-    0x0308,    // 0xac
-    0xfffd,    // 0xad
-    0x00c6,    // 0xae
-    0x00d8,    // 0xaf
-    0xfffd,    // 0xb0
-    0x00b1,    // 0xb1
-    0xfffd,    // 0xb2
-    0xfffd,    // 0xb3
-    0x00a5,    // 0xb4
-    0x03bc,    // 0xb5
-    0xfffd,    // 0xb6
-    0xfffd,    // 0xb7
-    0xfffd,    // 0xb8
-    0xfffd,    // 0xb9
-    0xfffd,    // 0xba
-    0x1d43,    // 0xbb
-    0x1d52,    // 0xbc
-    0xfffd,    // 0xbd
-    0x00e6,    // 0xbe
-    0x00f8,    // 0xbf
-    0x00bf,    // 0xc0
-    0x00a1,    // 0xc1
-    0x00ac,    // 0xc2
-    0xfffd,    // 0xc3
-    0x0192,    // 0xc4
-    0xfffd,    // 0xc5
-    0xfffd,    // 0xc6
-    0x00ab,    // 0xc7
-    0x00bb,    // 0xc8
-    0x2026,    // 0xc9
-    0xfffd,    // 0xca
-    0x00c0,    // 0xcb
-    0x00c3,    // 0xcc
-    0x00d5,    // 0xcd
-    0x0152,    // 0xce
-    0x0153,    // 0xcf
-    0x2013,    // 0xd0
-    0x2014,    // 0xd1
-    0x201c,    // 0xd2
-    0x201d,    // 0xd3
-    0x2018,    // 0xd4
-    0x2019,    // 0xd5
-    0x00f7,    // 0xd6
-    0xfffd,    // 0xd7
-    0x00ff,    // 0xd8
-    0x0178,    // 0xd9
-    0x2044,    // 0xda
-    0x00a4,    // 0xdb
-    0x2039,    // 0xdc
-    0x203a,    // 0xdd
-    0xfb01,    // 0xde
-    0xfb02,    // 0xdf
-    0x2021,    // 0xe0
-    0x00b7,    // 0xe1
-    0x201a,    // 0xe2
-    0x201e,    // 0xe3
-    0x2030,    // 0xe4
-    0x00c2,    // 0xe5
-    0x00ca,    // 0xe6
-    0x00c1,    // 0xe7
-    0x00cb,    // 0xe8
-    0x00c8,    // 0xe9
-    0x00cd,    // 0xea
-    0x00ce,    // 0xeb
-    0x00cf,    // 0xec
-    0x00cc,    // 0xed
-    0x00d3,    // 0xee
-    0x00d4,    // 0xef
-    0xfffd,    // 0xf0
-    0x00d2,    // 0xf1
-    0x00da,    // 0xf2
-    0x00db,    // 0xf3
-    0x00d9,    // 0xf4
-    0x0131,    // 0xf5
-    0x02c6,    // 0xf6
-    0x0303,    // 0xf7
-    0x0304,    // 0xf8
-    0x0306,    // 0xf9
-    0x0307,    // 0xfa
-    0x030a,    // 0xfb
-    0x0327,    // 0xfc
-    0x030b,    // 0xfd
-    0x0328,    // 0xfe
-    0x02c7,    // 0xff
+    0x00c4, // 0x80
+    0x00c5, // 0x81
+    0x00c7, // 0x82
+    0x00c9, // 0x83
+    0x00d1, // 0x84
+    0x00d6, // 0x85
+    0x00dc, // 0x86
+    0x00e1, // 0x87
+    0x00e0, // 0x88
+    0x00e2, // 0x89
+    0x00e4, // 0x8a
+    0x00e3, // 0x8b
+    0x00e5, // 0x8c
+    0x00e7, // 0x8d
+    0x00e9, // 0x8e
+    0x00e8, // 0x8f
+    0x00ea, // 0x90
+    0x00eb, // 0x91
+    0x00ed, // 0x92
+    0x00ec, // 0x93
+    0x00ee, // 0x94
+    0x00ef, // 0x95
+    0x00f1, // 0x96
+    0x00f3, // 0x97
+    0x00f2, // 0x98
+    0x00f4, // 0x99
+    0x00f6, // 0x9a
+    0x00f5, // 0x9b
+    0x00fa, // 0x9c
+    0x00f9, // 0x9d
+    0x00fb, // 0x9e
+    0x00fc, // 0x9f
+    0x2020, // 0xa0
+    0x00b0, // 0xa1
+    0x00a2, // 0xa2
+    0x00a3, // 0xa3
+    0x00a7, // 0xa4
+    0x2022, // 0xa5
+    0x00b6, // 0xa6
+    0x00df, // 0xa7
+    0x00ae, // 0xa8
+    0x00a9, // 0xa9
+    0x2122, // 0xaa
+    0x0301, // 0xab
+    0x0308, // 0xac
+    0xfffd, // 0xad
+    0x00c6, // 0xae
+    0x00d8, // 0xaf
+    0xfffd, // 0xb0
+    0x00b1, // 0xb1
+    0xfffd, // 0xb2
+    0xfffd, // 0xb3
+    0x00a5, // 0xb4
+    0x03bc, // 0xb5
+    0xfffd, // 0xb6
+    0xfffd, // 0xb7
+    0xfffd, // 0xb8
+    0xfffd, // 0xb9
+    0xfffd, // 0xba
+    0x1d43, // 0xbb
+    0x1d52, // 0xbc
+    0xfffd, // 0xbd
+    0x00e6, // 0xbe
+    0x00f8, // 0xbf
+    0x00bf, // 0xc0
+    0x00a1, // 0xc1
+    0x00ac, // 0xc2
+    0xfffd, // 0xc3
+    0x0192, // 0xc4
+    0xfffd, // 0xc5
+    0xfffd, // 0xc6
+    0x00ab, // 0xc7
+    0x00bb, // 0xc8
+    0x2026, // 0xc9
+    0xfffd, // 0xca
+    0x00c0, // 0xcb
+    0x00c3, // 0xcc
+    0x00d5, // 0xcd
+    0x0152, // 0xce
+    0x0153, // 0xcf
+    0x2013, // 0xd0
+    0x2014, // 0xd1
+    0x201c, // 0xd2
+    0x201d, // 0xd3
+    0x2018, // 0xd4
+    0x2019, // 0xd5
+    0x00f7, // 0xd6
+    0xfffd, // 0xd7
+    0x00ff, // 0xd8
+    0x0178, // 0xd9
+    0x2044, // 0xda
+    0x00a4, // 0xdb
+    0x2039, // 0xdc
+    0x203a, // 0xdd
+    0xfb01, // 0xde
+    0xfb02, // 0xdf
+    0x2021, // 0xe0
+    0x00b7, // 0xe1
+    0x201a, // 0xe2
+    0x201e, // 0xe3
+    0x2030, // 0xe4
+    0x00c2, // 0xe5
+    0x00ca, // 0xe6
+    0x00c1, // 0xe7
+    0x00cb, // 0xe8
+    0x00c8, // 0xe9
+    0x00cd, // 0xea
+    0x00ce, // 0xeb
+    0x00cf, // 0xec
+    0x00cc, // 0xed
+    0x00d3, // 0xee
+    0x00d4, // 0xef
+    0xfffd, // 0xf0
+    0x00d2, // 0xf1
+    0x00da, // 0xf2
+    0x00db, // 0xf3
+    0x00d9, // 0xf4
+    0x0131, // 0xf5
+    0x02c6, // 0xf6
+    0x0303, // 0xf7
+    0x0304, // 0xf8
+    0x0306, // 0xf9
+    0x0307, // 0xfa
+    0x030a, // 0xfb
+    0x0327, // 0xfc
+    0x030b, // 0xfd
+    0x0328, // 0xfe
+    0x02c7, // 0xff
 };
 
-std::string
-QUtil::int_to_string(long long num, int length)
-{
-    return int_to_string_base(num, 10, length);
-}
+static std::map<unsigned long, unsigned char> unicode_to_win_ansi = {
+    {0x20ac, 0x80}, {0x201a, 0x82}, {0x192, 0x83},  {0x201e, 0x84},
+    {0x2026, 0x85}, {0x2020, 0x86}, {0x2021, 0x87}, {0x2c6, 0x88},
+    {0x2030, 0x89}, {0x160, 0x8a},  {0x2039, 0x8b}, {0x152, 0x8c},
+    {0x17d, 0x8e},  {0x2018, 0x91}, {0x2019, 0x92}, {0x201c, 0x93},
+    {0x201d, 0x94}, {0x2022, 0x95}, {0x2013, 0x96}, {0x2014, 0x97},
+    {0x303, 0x98},  {0x2122, 0x99}, {0x161, 0x9a},  {0x203a, 0x9b},
+    {0x153, 0x9c},  {0x17e, 0x9e},  {0x178, 0x9f},  {0xa0, 0xa0},
+};
+static std::map<unsigned long, unsigned char> unicode_to_mac_roman = {
+    {0xc4, 0x80},   {0xc5, 0x81},   {0xc7, 0x82},   {0xc9, 0x83},
+    {0xd1, 0x84},   {0xd6, 0x85},   {0xdc, 0x86},   {0xe1, 0x87},
+    {0xe0, 0x88},   {0xe2, 0x89},   {0xe4, 0x8a},   {0xe3, 0x8b},
+    {0xe5, 0x8c},   {0xe7, 0x8d},   {0xe9, 0x8e},   {0xe8, 0x8f},
+    {0xea, 0x90},   {0xeb, 0x91},   {0xed, 0x92},   {0xec, 0x93},
+    {0xee, 0x94},   {0xef, 0x95},   {0xf1, 0x96},   {0xf3, 0x97},
+    {0xf2, 0x98},   {0xf4, 0x99},   {0xf6, 0x9a},   {0xf5, 0x9b},
+    {0xfa, 0x9c},   {0xf9, 0x9d},   {0xfb, 0x9e},   {0xfc, 0x9f},
+    {0x2020, 0xa0}, {0xb0, 0xa1},   {0xa2, 0xa2},   {0xa3, 0xa3},
+    {0xa7, 0xa4},   {0x2022, 0xa5}, {0xb6, 0xa6},   {0xdf, 0xa7},
+    {0xae, 0xa8},   {0xa9, 0xa9},   {0x2122, 0xaa}, {0x301, 0xab},
+    {0x308, 0xac},  {0xc6, 0xae},   {0xd8, 0xaf},   {0xb1, 0xb1},
+    {0xa5, 0xb4},   {0x3bc, 0xb5},  {0x1d43, 0xbb}, {0x1d52, 0xbc},
+    {0xe6, 0xbe},   {0xf8, 0xbf},   {0xbf, 0xc0},   {0xa1, 0xc1},
+    {0xac, 0xc2},   {0x192, 0xc4},  {0xab, 0xc7},   {0xbb, 0xc8},
+    {0x2026, 0xc9}, {0xc0, 0xcb},   {0xc3, 0xcc},   {0xd5, 0xcd},
+    {0x152, 0xce},  {0x153, 0xcf},  {0x2013, 0xd0}, {0x2014, 0xd1},
+    {0x201c, 0xd2}, {0x201d, 0xd3}, {0x2018, 0xd4}, {0x2019, 0xd5},
+    {0xf7, 0xd6},   {0xff, 0xd8},   {0x178, 0xd9},  {0x2044, 0xda},
+    {0xa4, 0xdb},   {0x2039, 0xdc}, {0x203a, 0xdd}, {0xfb01, 0xde},
+    {0xfb02, 0xdf}, {0x2021, 0xe0}, {0xb7, 0xe1},   {0x201a, 0xe2},
+    {0x201e, 0xe3}, {0x2030, 0xe4}, {0xc2, 0xe5},   {0xca, 0xe6},
+    {0xc1, 0xe7},   {0xcb, 0xe8},   {0xc8, 0xe9},   {0xcd, 0xea},
+    {0xce, 0xeb},   {0xcf, 0xec},   {0xcc, 0xed},   {0xd3, 0xee},
+    {0xd4, 0xef},   {0xd2, 0xf1},   {0xda, 0xf2},   {0xdb, 0xf3},
+    {0xd9, 0xf4},   {0x131, 0xf5},  {0x2c6, 0xf6},  {0x303, 0xf7},
+    {0x304, 0xf8},  {0x306, 0xf9},  {0x307, 0xfa},  {0x30a, 0xfb},
+    {0x327, 0xfc},  {0x30b, 0xfd},  {0x328, 0xfe},  {0x2c7, 0xff},
+};
+static std::map<unsigned long, unsigned char> unicode_to_pdf_doc = {
+    {0x02d8, 0x18}, {0x02c7, 0x19}, {0x02c6, 0x1a}, {0x02d9, 0x1b},
+    {0x02dd, 0x1c}, {0x02db, 0x1d}, {0x02da, 0x1e}, {0x02dc, 0x1f},
+    {0x2022, 0x80}, {0x2020, 0x81}, {0x2021, 0x82}, {0x2026, 0x83},
+    {0x2014, 0x84}, {0x2013, 0x85}, {0x0192, 0x86}, {0x2044, 0x87},
+    {0x2039, 0x88}, {0x203a, 0x89}, {0x2212, 0x8a}, {0x2030, 0x8b},
+    {0x201e, 0x8c}, {0x201c, 0x8d}, {0x201d, 0x8e}, {0x2018, 0x8f},
+    {0x2019, 0x90}, {0x201a, 0x91}, {0x2122, 0x92}, {0xfb01, 0x93},
+    {0xfb02, 0x94}, {0x0141, 0x95}, {0x0152, 0x96}, {0x0160, 0x97},
+    {0x0178, 0x98}, {0x017d, 0x99}, {0x0131, 0x9a}, {0x0142, 0x9b},
+    {0x0153, 0x9c}, {0x0161, 0x9d}, {0x017e, 0x9e}, {0xfffd, 0x9f},
+    {0x20ac, 0xa0},
+};
 
-std::string
-QUtil::int_to_string_base(long long num, int base, int length)
+template <typename T>
+static std::string
+int_to_string_base_internal(T num, int base, int length)
 {
     // Backward compatibility -- int_to_string, which calls this
     // function, used to use sprintf with %0*d, so we interpret length
     // such that a negative value appends spaces and a positive value
     // prepends zeroes.
-    if (! ((base == 8) || (base == 10) || (base == 16)))
-    {
+    if (!((base == 8) || (base == 10) || (base == 16))) {
         throw std::logic_error(
             "int_to_string_base called with unsupported base");
     }
-    std::ostringstream buf;
-    buf << std::setbase(base) << std::nouppercase << num;
+    std::string cvt;
+    if (base == 10) {
+        // Use the more efficient std::to_string when possible
+        cvt = std::to_string(num);
+    } else {
+        std::ostringstream buf;
+        buf.imbue(std::locale::classic());
+        buf << std::setbase(base) << std::nouppercase << num;
+        cvt = buf.str();
+    }
     std::string result;
-    if ((length > 0) &&
-        (buf.str().length() < static_cast<size_t>(length)))
-    {
-	result.append(length - buf.str().length(), '0');
+    int str_length = QIntC::to_int(cvt.length());
+    if ((length > 0) && (str_length < length)) {
+        result.append(QIntC::to_size(length - str_length), '0');
     }
-    result += buf.str();
-    if ((length < 0) && (buf.str().length() < static_cast<size_t>(-length)))
-    {
-	result.append(-length - buf.str().length(), ' ');
+    result += cvt;
+    if ((length < 0) && (str_length < -length)) {
+        result.append(QIntC::to_size(-length - str_length), ' ');
     }
     return result;
 }
 
 std::string
-QUtil::double_to_string(double num, int decimal_places)
+QUtil::int_to_string(long long num, int length)
+{
+    return int_to_string_base(num, 10, length);
+}
+
+std::string
+QUtil::uint_to_string(unsigned long long num, int length)
+{
+    return uint_to_string_base(num, 10, length);
+}
+
+std::string
+QUtil::int_to_string_base(long long num, int base, int length)
+{
+    return int_to_string_base_internal(num, base, length);
+}
+
+std::string
+QUtil::uint_to_string_base(unsigned long long num, int base, int length)
+{
+    return int_to_string_base_internal(num, base, length);
+}
+
+std::string
+QUtil::double_to_string(
+    double num, int decimal_places, bool trim_trailing_zeroes)
 {
     // Backward compatibility -- this code used to use sprintf and
     // treated decimal_places <= 0 to mean to use the default, which
-    // was six decimal places.  Also sprintf with %*.f interprets the
-    // length as fixed point rather than significant figures.
-    if (decimal_places <= 0)
-    {
+    // was six decimal places. Starting in 10.2, we trim trailing
+    // zeroes by default.
+    if (decimal_places <= 0) {
         decimal_places = 6;
     }
     std::ostringstream buf;
+    buf.imbue(std::locale::classic());
     buf << std::setprecision(decimal_places) << std::fixed << num;
-    return buf.str();
+    std::string result = buf.str();
+    if (trim_trailing_zeroes) {
+        while ((result.length() > 1) && (result.back() == '0')) {
+            result.pop_back();
+        }
+        if ((result.length() > 1) && (result.back() == '.')) {
+            result.pop_back();
+        }
+    }
+    return result;
 }
 
 long long
@@ -290,13 +399,12 @@
 #ifdef _MSC_VER
     long long result = _strtoi64(str, 0, 10);
 #else
-    long long result = strtoll(str, 0, 10);
+    long long result = strtoll(str, nullptr, 10);
 #endif
-    if (errno == ERANGE)
-    {
-        throw std::runtime_error(
-            std::string("overflow/underflow converting ") + str
-            + " to 64-bit integer");
+    if (errno == ERANGE) {
+        throw std::range_error(
+            std::string("overflow/underflow converting ") + str +
+            " to 64-bit integer");
     }
     return result;
 }
@@ -304,24 +412,57 @@
 int
 QUtil::string_to_int(char const* str)
 {
-    errno = 0;
-    long long_val = strtol(str, 0, 10);
-    if (errno == ERANGE)
-    {
+    // QIntC::to_int does range checking
+    return QIntC::to_int(string_to_ll(str));
+}
+
+unsigned long long
+QUtil::string_to_ull(char const* str)
+{
+    char const* p = str;
+    while (*p && is_space(*p)) {
+        ++p;
+    }
+    if (*p == '-') {
         throw std::runtime_error(
-            std::string("overflow/underflow converting ") + str
-            + " to long integer");
+            std::string("underflow converting ") + str +
+            " to 64-bit unsigned integer");
     }
-    int result = static_cast<int>(long_val);
-    if (static_cast<long>(result) != long_val)
-    {
+
+    errno = 0;
+#ifdef _MSC_VER
+    unsigned long long result = _strtoui64(str, 0, 10);
+#else
+    unsigned long long result = strtoull(str, nullptr, 10);
+#endif
+    if (errno == ERANGE) {
         throw std::runtime_error(
-            std::string("overflow/underflow converting ") + str
-            + " to integer");
+            std::string("overflow converting ") + str +
+            " to 64-bit unsigned integer");
     }
     return result;
 }
 
+unsigned int
+QUtil::string_to_uint(char const* str)
+{
+    // QIntC::to_uint does range checking
+    return QIntC::to_uint(string_to_ull(str));
+}
+
+bool
+QUtil::is_long_long(char const* str)
+{
+    try {
+        auto i1 = string_to_ll(str);
+        std::string s1 = int_to_string(i1);
+        return str == s1;
+    } catch (std::exception&) {
+        // overflow or other error
+    }
+    return false;
+}
+
 unsigned char*
 QUtil::unsigned_char_pointer(std::string const& str)
 {
@@ -343,53 +484,57 @@
 int
 QUtil::os_wrapper(std::string const& description, int status)
 {
-    if (status == -1)
-    {
-	throw_system_error(description);
+    if (status == -1) {
+        throw_system_error(description);
     }
     return status;
 }
 
-FILE*
-QUtil::safe_fopen(char const* filename, char const* mode)
-{
-    FILE* f = 0;
 #ifdef _WIN32
+static std::shared_ptr<wchar_t>
+win_convert_filename(char const* filename)
+{
     // Convert the utf-8 encoded filename argument to wchar_t*. First,
     // convert to utf16, then to wchar_t*. Note that u16 will start
     // with the UTF16 marker, which we skip.
-    std::string u16 = utf8_to_utf16(filename);
+    std::string u16 = QUtil::utf8_to_utf16(filename);
     size_t len = u16.length();
     size_t wlen = (len / 2) - 1;
-    PointerHolder<wchar_t> wfilenamep(true, new wchar_twlen + 1);
-    wchar_t* wfilename = wfilenamep.getPointer();
+    auto wfilenamep = QUtil::make_shared_array<wchar_t>(wlen + 1);
+    wchar_t* wfilename = wfilenamep.get();
     wfilenamewlen = 0;
-    for (unsigned int i = 2; i < len; i += 2)
-    {
-        wfilename(i/2) - 1 =
-            static_cast<wchar_t>(
-                (static_cast<unsigned char>(u16.at(i)) << 8) +
-                static_cast<unsigned char>(u16.at(i+1)));
+    for (unsigned int i = 2; i < len; i += 2) {
+        wfilename(i / 2) - 1 = static_cast<wchar_t>(
+            (static_cast<unsigned char>(u16.at(i)) << 8) +
+            static_cast<unsigned char>(u16.at(i + 1)));
     }
-    PointerHolder<wchar_t> wmodep(true, new wchar_tstrlen(mode) + 1);
-    wchar_t* wmode = wmodep.getPointer();
+    return wfilenamep;
+}
+#endif
+
+FILE*
+QUtil::safe_fopen(char const* filename, char const* mode)
+{
+    FILE* f = nullptr;
+#ifdef _WIN32
+    std::shared_ptr<wchar_t> wfilenamep = win_convert_filename(filename);
+    wchar_t* wfilename = wfilenamep.get();
+    auto wmodep = QUtil::make_shared_array<wchar_t>(strlen(mode) + 1);
+    wchar_t* wmode = wmodep.get();
     wmodestrlen(mode) = 0;
-    for (size_t i = 0; i < strlen(mode); ++i)
-    {
-        wmodei = modei;
+    for (size_t i = 0; i < strlen(mode); ++i) {
+        wmodei = static_cast<wchar_t>(modei);
     }
 
-#ifdef _MSC_VER
+# ifdef _MSC_VER
     errno_t err = _wfopen_s(&f, wfilename, wmode);
-    if (err != 0)
-    {
+    if (err != 0) {
         errno = err;
     }
-#else
+# else
     f = _wfopen(wfilename, wmode);
-#endif
-    if (f == 0)
-    {
+# endif
+    if (f == 0) {
         throw_system_error(std::string("open ") + filename);
     }
 #else
@@ -401,25 +546,39 @@
 FILE*
 QUtil::fopen_wrapper(std::string const& description, FILE* f)
 {
-    if (f == 0)
-    {
-	throw_system_error(description);
+    if (f == nullptr) {
+        throw_system_error(description);
     }
     return f;
 }
 
+bool
+QUtil::file_can_be_opened(char const* filename)
+{
+    try {
+        fclose(safe_fopen(filename, "rb"));
+        return true;
+    } catch (std::runtime_error&) {
+        // can't open the file
+    }
+    return false;
+}
+
 int
 QUtil::seek(FILE* stream, qpdf_offset_t offset, int whence)
 {
 #if HAVE_FSEEKO
-    return fseeko(stream, static_cast<off_t>(offset), whence);
+    return fseeko(
+        stream,
+        QIntC::IntConverter<qpdf_offset_t, off_t>::convert(offset),
+        whence);
 #elif HAVE_FSEEKO64
     return fseeko64(stream, offset, whence);
 #else
 # if defined _MSC_VER || defined __BORLANDC__
     return _fseeki64(stream, offset, whence);
 # else
-    return fseek(stream, static_cast<long>(offset), whence);
+    return fseek(stream, QIntC::to_long(offset), whence);
 # endif
 #endif
 }
@@ -428,14 +587,14 @@
 QUtil::tell(FILE* stream)
 {
 #if HAVE_FSEEKO
-    return static_cast<qpdf_offset_t>(ftello(stream));
+    return QIntC::to_offset(ftello(stream));
 #elif HAVE_FSEEKO64
-    return static_cast<qpdf_offset_t>(ftello64(stream));
+    return QIntC::to_offset(ftello64(stream));
 #else
 # if defined _MSC_VER || defined __BORLANDC__
     return _ftelli64(stream);
 # else
-    return static_cast<qpdf_offset_t>(ftell(stream));
+    return QIntC::to_offset(ftell(stream));
 # endif
 #endif
 }
@@ -443,36 +602,43 @@
 bool
 QUtil::same_file(char const* name1, char const* name2)
 {
-    if ((name1 == 0) || (strlen(name1) == 0) ||
-        (name2 == 0) || (strlen(name2) == 0))
-    {
+    if ((name1 == nullptr) || (strlen(name1) == 0) || (name2 == nullptr) ||
+        (strlen(name2) == 0)) {
         return false;
     }
 #ifdef _WIN32
     bool same = false;
 # ifndef AVOID_WINDOWS_HANDLE
-    HANDLE fh1 = CreateFile(name1, GENERIC_READ, FILE_SHARE_READ,
-                            NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-    HANDLE fh2 = CreateFile(name2, GENERIC_READ, FILE_SHARE_READ,
-                            NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+    HANDLE fh1 = CreateFile(
+        name1,
+        GENERIC_READ,
+        FILE_SHARE_READ,
+        NULL,
+        OPEN_EXISTING,
+        FILE_ATTRIBUTE_NORMAL,
+        NULL);
+    HANDLE fh2 = CreateFile(
+        name2,
+        GENERIC_READ,
+        FILE_SHARE_READ,
+        NULL,
+        OPEN_EXISTING,
+        FILE_ATTRIBUTE_NORMAL,
+        NULL);
     BY_HANDLE_FILE_INFORMATION fi1;
     BY_HANDLE_FILE_INFORMATION fi2;
-    if ((fh1 != INVALID_HANDLE_VALUE) &&
-        (fh2 != INVALID_HANDLE_VALUE) &&
+    if ((fh1 != INVALID_HANDLE_VALUE) && (fh2 != INVALID_HANDLE_VALUE) &&
         GetFileInformationByHandle(fh1, &fi1) &&
         GetFileInformationByHandle(fh2, &fi2) &&
         (fi1.dwVolumeSerialNumber == fi2.dwVolumeSerialNumber) &&
         (fi1.nFileIndexLow == fi2.nFileIndexLow) &&
-        (fi1.nFileIndexHigh == fi2.nFileIndexHigh))
-    {
+        (fi1.nFileIndexHigh == fi2.nFileIndexHigh)) {
         same = true;
     }
-    if (fh1 != INVALID_HANDLE_VALUE)
-    {
+    if (fh1 != INVALID_HANDLE_VALUE) {
         CloseHandle(fh1);
     }
-    if (fh2 != INVALID_HANDLE_VALUE)
-    {
+    if (fh2 != INVALID_HANDLE_VALUE) {
         CloseHandle(fh2);
     }
 # endif
@@ -480,17 +646,96 @@
 #else
     struct stat st1;
     struct stat st2;
-    if ((stat(name1, &st1) == 0) &&
-        (stat(name2, &st2) == 0) &&
-        (st1.st_ino == st2.st_ino) &&
-        (st1.st_dev == st2.st_dev))
-    {
+    if ((stat(name1, &st1) == 0) && (stat(name2, &st2) == 0) &&
+        (st1.st_ino == st2.st_ino) && (st1.st_dev == st2.st_dev)) {
         return true;
     }
 #endif
     return false;
 }
 
+void
+QUtil::remove_file(char const* path)
+{
+#ifdef _WIN32
+    std::shared_ptr<wchar_t> wpath = win_convert_filename(path);
+    os_wrapper(std::string("remove ") + path, _wunlink(wpath.get()));
+#else
+    os_wrapper(std::string("remove ") + path, unlink(path));
+#endif
+}
+
+void
+QUtil::rename_file(char const* oldname, char const* newname)
+{
+#ifdef _WIN32
+    try {
+        remove_file(newname);
+    } catch (QPDFSystemError&) {
+        // ignore
+    }
+    std::shared_ptr<wchar_t> wold = win_convert_filename(oldname);
+    std::shared_ptr<wchar_t> wnew = win_convert_filename(newname);
+    os_wrapper(
+        std::string("rename ") + oldname + " " + newname,
+        _wrename(wold.get(), wnew.get()));
+#else
+    os_wrapper(
+        std::string("rename ") + oldname + " " + newname,
+        rename(oldname, newname));
+#endif
+}
+
+void
+QUtil::pipe_file(char const* filename, Pipeline* p)
+{
+    // Exercised in test suite by testing file_provider.
+    FILE* f = safe_fopen(filename, "rb");
+    FileCloser fc(f);
+    size_t len = 0;
+    int constexpr size = 8192;
+    unsigned char bufsize;
+    while ((len = fread(buf, 1, size, f)) > 0) {
+        p->write(buf, len);
+    }
+    p->finish();
+    if (ferror(f)) {
+        throw std::runtime_error(
+            std::string("failure reading file ") + filename);
+    }
+}
+
+std::function<void(Pipeline*)>
+QUtil::file_provider(std::string const& filename)
+{
+    return filename(Pipeline* p) { pipe_file(filename.c_str(), p); };
+}
+
+std::string
+QUtil::path_basename(std::string const& filename)
+{
+#ifdef _WIN32
+    char const* pathsep = "/\\";
+#else
+    char const* pathsep = "/";
+#endif
+    std::string last = filename;
+    auto len = last.length();
+    while (len > 1) {
+        auto pos = last.find_last_of(pathsep);
+        if (pos == len - 1) {
+            last.pop_back();
+            --len;
+        } else if (pos == std::string::npos) {
+            break;
+        } else {
+            last = last.substr(pos + 1);
+            break;
+        }
+    }
+    return last;
+}
+
 char*
 QUtil::copy_string(std::string const& str)
 {
@@ -501,14 +746,33 @@
     return result;
 }
 
+std::shared_ptr<char>
+QUtil::make_shared_cstr(std::string const& str)
+{
+    auto result = QUtil::make_shared_array<char>(str.length() + 1);
+    // Use memcpy in case string contains nulls
+    result.get()str.length() = '\0';
+    memcpy(result.get(), str.c_str(), str.length());
+    return result;
+}
+
+std::unique_ptr<char>
+QUtil::make_unique_cstr(std::string const& str)
+{
+    auto result = std::make_unique<char>(str.length() + 1);
+    // Use memcpy in case string contains nulls
+    result.get()str.length() = '\0';
+    memcpy(result.get(), str.c_str(), str.length());
+    return result;
+}
+
 std::string
 QUtil::hex_encode(std::string const& input)
 {
     std::string result;
-    for (unsigned int i = 0; i < input.length(); ++i)
-    {
+    for (unsigned int i = 0; i < input.length(); ++i) {
         result += QUtil::int_to_string_base(
-            static_cast<int>(static_cast<unsigned char>(input.at(i))), 16, 2);
+            QIntC::to_int(static_cast<unsigned char>(input.at(i))), 16, 2);
     }
     return result;
 }
@@ -518,38 +782,23 @@
 {
     std::string result;
     size_t pos = 0;
-    for (std::string::const_iterator p = input.begin(); p != input.end(); ++p)
-    {
-        char ch = *p;
+    for (auto ch: input) {
         bool skip = false;
-        if ((*p >= 'A') && (*p <= 'F'))
-        {
-            ch -= 'A';
-            ch += 10;
-        }
-        else if ((*p >= 'a') && (*p <= 'f'))
-        {
-            ch -= 'a';
-            ch += 10;
-        }
-        else if ((*p >= '0') && (*p <= '9'))
-        {
-            ch -= '0';
-        }
-        else
-        {
+        if ((ch >= 'A') && (ch <= 'F')) {
+            ch = QIntC::to_char(ch - 'A' + 10);
+        } else if ((ch >= 'a') && (ch <= 'f')) {
+            ch = QIntC::to_char(ch - 'a' + 10);
+        } else if ((ch >= '0') && (ch <= '9')) {
+            ch = QIntC::to_char(ch - '0');
+        } else {
             skip = true;
         }
-        if (! skip)
-        {
-            if (pos == 0)
-            {
-                result.push_back(ch << 4);
+        if (!skip) {
+            if (pos == 0) {
+                result.push_back(static_cast<char>(ch << 4));
                 pos = 1;
-            }
-            else
-            {
-                resultresult.length()-1 += ch;
+            } else {
+                resultresult.length() - 1 |= ch;
                 pos = 0;
             }
         }
@@ -561,7 +810,7 @@
 QUtil::binary_stdout()
 {
 #if defined(_WIN32) && defined(__BORLANDC__)
-     setmode(_fileno(stdout), _O_BINARY);
+    setmode(_fileno(stdout), _O_BINARY);
 #elif defined(_WIN32)
     _setmode(_fileno(stdout), _O_BINARY);
 #endif
@@ -571,7 +820,7 @@
 QUtil::binary_stdin()
 {
 #if defined(_WIN32) && defined(__BORLANDC__)
-     setmode(_fileno(stdin), _O_BINARY);
+    setmode(_fileno(stdin), _O_BINARY);
 #elif defined(_WIN32)
     _setmode(_fileno(stdin), _O_BINARY);
 #endif
@@ -581,28 +830,24 @@
 QUtil::setLineBuf(FILE* f)
 {
 #ifndef _WIN32
-    setvbuf(f, reinterpret_cast<char *>(0), _IOLBF, 0);
+    setvbuf(f, reinterpret_cast<char*>(0), _IOLBF, 0);
 #endif
 }
 
 char*
 QUtil::getWhoami(char* argv0)
 {
-    char* whoami = 0;
+    char* whoami = nullptr;
     if (((whoami = strrchr(argv0, '/')) == NULL) &&
-        ((whoami = strrchr(argv0, '\\')) == NULL))
-    {
-	whoami = argv0;
-    }
-    else
-    {
-	++whoami;
+        ((whoami = strrchr(argv0, '\\')) == NULL)) {
+        whoami = argv0;
+    } else {
+        ++whoami;
     }
 
     if ((strlen(whoami) > 4) &&
-	(strcmp(whoami + strlen(whoami) - 4, ".exe") == 0))
-    {
-	whoamistrlen(whoami) - 4 = '\0';
+        (strcmp(whoami + strlen(whoami) - 4, ".exe") == 0)) {
+        whoamistrlen(whoami) - 4 = '\0';
     }
 
     return whoami;
@@ -618,30 +863,25 @@
 # else
     // first get the size of the buffer
     DWORD len = ::GetEnvironmentVariable(var.c_str(), NULL, 0);
-    if (len == 0)
-    {
+    if (len == 0) {
         // this means that there is no such variable
         return false;
     }
 
-    if (value)
-    {
-	char* t = new charlen + 1;
-        ::GetEnvironmentVariable(var.c_str(), t, len);
-	*value = t;
-	delete  t;
+    if (value) {
+        auto t = QUtil::make_shared_array<char>(len + 1);
+        ::GetEnvironmentVariable(var.c_str(), t.get(), len);
+        *value = t.get();
     }
 
     return true;
 # endif
 #else
     char* p = getenv(var.c_str());
-    if (p == 0)
-    {
+    if (p == nullptr) {
         return false;
     }
-    if (value)
-    {
+    if (value) {
         *value = p;
     }
 
@@ -669,12 +909,155 @@
     uinow.LowPart = filenow.dwLowDateTime;
     uinow.HighPart = filenow.dwHighDateTime;
     ULONGLONG now = uinow.QuadPart;
-    return ((now / 10000000LL) - 11644473600LL);
+    return static_cast<time_t>((now / 10000000ULL) - 11644473600ULL);
 #else
-    return time(0);
+    return time(nullptr);
 #endif
 }
 
+QUtil::QPDFTime
+QUtil::get_current_qpdf_time()
+{
+#ifdef _WIN32
+    SYSTEMTIME ltime;
+    GetLocalTime(&ltime);
+    TIME_ZONE_INFORMATION tzinfo;
+    GetTimeZoneInformation(&tzinfo);
+    return QPDFTime(
+        static_cast<int>(ltime.wYear),
+        static_cast<int>(ltime.wMonth),
+        static_cast<int>(ltime.wDay),
+        static_cast<int>(ltime.wHour),
+        static_cast<int>(ltime.wMinute),
+        static_cast<int>(ltime.wSecond),
+        // tzinfo.Bias is minutes before UTC
+        static_cast<int>(tzinfo.Bias));
+#else
+    struct tm ltime;
+    time_t now = time(nullptr);
+    tzset();
+# ifdef HAVE_LOCALTIME_R
+    localtime_r(&now, &ltime);
+# else
+    ltime = *localtime(&now);
+# endif
+# if HAVE_TM_GMTOFF
+    // tm_gmtoff is seconds after UTC
+    int tzoff = -static_cast<int>(ltime.tm_gmtoff / 60);
+# elif HAVE_EXTERN_LONG_TIMEZONE
+    // timezone is seconds before UTC, not adjusted for daylight saving time
+    int tzoff = static_cast<int>(timezone / 60);
+# else
+    // Don't know how to get timezone on this platform
+    int tzoff = 0;
+# endif
+    return QPDFTime(
+        static_cast<int>(ltime.tm_year + 1900),
+        static_cast<int>(ltime.tm_mon + 1),
+        static_cast<int>(ltime.tm_mday),
+        static_cast<int>(ltime.tm_hour),
+        static_cast<int>(ltime.tm_min),
+        static_cast<int>(ltime.tm_sec),
+        tzoff);
+#endif
+}
+
+std::string
+QUtil::qpdf_time_to_pdf_time(QPDFTime const& qtm)
+{
+    std::string tz_offset;
+    int t = qtm.tz_delta;
+    if (t == 0) {
+        tz_offset = "Z";
+    } else {
+        if (t < 0) {
+            t = -t;
+            tz_offset += "+";
+        } else {
+            tz_offset += "-";
+        }
+        tz_offset += QUtil::int_to_string(t / 60, 2) + "'" +
+            QUtil::int_to_string(t % 60, 2) + "'";
+    }
+    return (
+        "D:" + QUtil::int_to_string(qtm.year, 4) +
+        QUtil::int_to_string(qtm.month, 2) + QUtil::int_to_string(qtm.day, 2) +
+        QUtil::int_to_string(qtm.hour, 2) +
+        QUtil::int_to_string(qtm.minute, 2) +
+        QUtil::int_to_string(qtm.second, 2) + tz_offset);
+}
+
+std::string
+QUtil::qpdf_time_to_iso8601(QPDFTime const& qtm)
+{
+    std::string tz_offset;
+    int t = qtm.tz_delta;
+    if (t == 0) {
+        tz_offset = "Z";
+    } else {
+        if (t < 0) {
+            t = -t;
+            tz_offset += "+";
+        } else {
+            tz_offset += "-";
+        }
+        tz_offset += QUtil::int_to_string(t / 60, 2) + ":" +
+            QUtil::int_to_string(t % 60, 2);
+    }
+    return (
+        QUtil::int_to_string(qtm.year, 4) + "-" +
+        QUtil::int_to_string(qtm.month, 2) + "-" +
+        QUtil::int_to_string(qtm.day, 2) + "T" +
+        QUtil::int_to_string(qtm.hour, 2) + ":" +
+        QUtil::int_to_string(qtm.minute, 2) + ":" +
+        QUtil::int_to_string(qtm.second, 2) + tz_offset);
+}
+
+bool
+QUtil::pdf_time_to_qpdf_time(std::string const& str, QPDFTime* qtm)
+{
+    static std::regex pdf_date("^D:(0-9{4})(0-9{2})(0-9{2})"
+                               "(0-9{2})(0-9{2})(0-9{2})"
+                               "(?:(Z?)|(\\+\\-)(0-9{2})'(0-9{2})')$");
+    std::smatch m;
+    if (!std::regex_match(str, m, pdf_date)) {
+        return false;
+    }
+    int tz_delta = 0;
+    auto to_i = (std::string const& s) {
+        return QUtil::string_to_int(s.c_str());
+    };
+
+    if (m8 != "") {
+        tz_delta = ((to_i(m9) * 60) + to_i(m10));
+        if (m8 == "+") {
+            tz_delta = -tz_delta;
+        }
+    }
+    if (qtm) {
+        *qtm = QPDFTime(
+            to_i(m1),
+            to_i(m2),
+            to_i(m3),
+            to_i(m4),
+            to_i(m5),
+            to_i(m6),
+            tz_delta);
+    }
+    return true;
+}
+
+bool
+QUtil::pdf_time_to_iso8601(std::string const& pdf_time, std::string& iso8601)
+{
+    QPDFTime qtm;
+    if (pdf_time_to_qpdf_time(pdf_time, &qtm)) {
+        iso8601 = qpdf_time_to_iso8601(qtm);
+        return true;
+    }
+    return false;
+}
+
 std::string
 QUtil::toUTF8(unsigned long uval)
 {
@@ -690,44 +1073,37 @@
     // 110zzzzz, the second is 10zzzzzz, and the z's represent the
     // remaining bits.
 
-    if (uval > 0x7fffffff)
-    {
-	throw std::runtime_error("bounds error in QUtil::toUTF8");
-    }
-    else if (uval < 128)
-    {
-	result += static_cast<char>(uval);
-    }
-    else
-    {
-	unsigned char bytes7;
-	bytes6 = '\0';
-	unsigned char* cur_byte = &bytes5;
-
-	// maximum value that will fit in the current number of bytes
-	unsigned char maxval = 0x3f; // six bits
-
-	while (uval > maxval)
-	{
-	    // Assign low six bits plus 10000000 to lowest unused
-	    // byte position, then shift
-	    *cur_byte = static_cast<unsigned char>(0x80 + (uval & 0x3f));
-	    uval >>= 6;
-	    // Maximum that will fit in high byte now shrinks by one bit
-	    maxval >>= 1;
-	    // Slide to the left one byte
-	    if (cur_byte <= bytes)
-	    {
-		throw std::logic_error("QUtil::toUTF8: overflow error");
-	    }
-	    --cur_byte;
-	}
-	// If maxval is k bits long, the high (7 - k) bits of the
-	// resulting byte must be high.
-	*cur_byte = static_cast<unsigned char>(
-            (0xff - (1 + (maxval << 1))) + uval);
-
-	result += reinterpret_cast<char*>(cur_byte);
+    if (uval > 0x7fffffff) {
+        throw std::runtime_error("bounds error in QUtil::toUTF8");
+    } else if (uval < 128) {
+        result += static_cast<char>(uval);
+    } else {
+        unsigned char bytes7;
+        bytes6 = '\0';
+        unsigned char* cur_byte = &bytes5;
+
+        // maximum value that will fit in the current number of bytes
+        unsigned char maxval = 0x3f; // six bits
+
+        while (uval > QIntC::to_ulong(maxval)) {
+            // Assign low six bits plus 10000000 to lowest unused
+            // byte position, then shift
+            *cur_byte = static_cast<unsigned char>(0x80 + (uval & 0x3f));
+            uval >>= 6;
+            // Maximum that will fit in high byte now shrinks by one bit
+            maxval = static_cast<unsigned char>(maxval >> 1);
+            // Slide to the left one byte
+            if (cur_byte <= bytes) {
+                throw std::logic_error("QUtil::toUTF8: overflow error");
+            }
+            --cur_byte;
+        }
+        // If maxval is k bits long, the high (7 - k) bits of the
+        // resulting byte must be high.
+        *cur_byte = static_cast<unsigned char>(
+            QIntC::to_ulong(0xff - (1 + (maxval << 1))) + uval);
+
+        result += reinterpret_cast<char*>(cur_byte);
     }
 
     return result;
@@ -737,31 +1113,26 @@
 QUtil::toUTF16(unsigned long uval)
 {
     std::string result;
-    if ((uval >= 0xd800) && (uval <= 0xdfff))
-    {
+    if ((uval >= 0xd800) && (uval <= 0xdfff)) {
         result = "\xff\xfd";
-    }
-    else if (uval <= 0xffff)
-    {
+    } else if (uval <= 0xffff) {
         char out2;
-        out0 = (uval & 0xff00) >> 8;
-        out1 = (uval & 0xff);
+        out0 = static_cast<char>((uval & 0xff00) >> 8);
+        out1 = static_cast<char>(uval & 0xff);
         result = std::string(out, 2);
-    }
-    else if (uval <= 0x10ffff)
-    {
+    } else if (uval <= 0x10ffff) {
         char out4;
         uval -= 0x10000;
-        unsigned short high = ((uval & 0xffc00) >> 10) + 0xd800;
-        unsigned short low = (uval & 0x3ff) + 0xdc00;
-        out0 = (high & 0xff00) >> 8;
-        out1 = (high & 0xff);
-        out2 = (low & 0xff00) >> 8;
-        out3 = (low & 0xff);
+        unsigned short high =
+            static_cast<unsigned short>(((uval & 0xffc00) >> 10) + 0xd800);
+        unsigned short low =
+            static_cast<unsigned short>((uval & 0x3ff) + 0xdc00);
+        out0 = static_cast<char>((high & 0xff00) >> 8);
+        out1 = static_cast<char>(high & 0xff);
+        out2 = static_cast<char>((low & 0xff00) >> 8);
+        out3 = static_cast<char>(low & 0xff);
         result = std::string(out, 4);
-    }
-    else
-    {
+    } else {
         result = "\xff\xfd";
     }
 
@@ -770,208 +1141,202 @@
 
 // Random data support
 
-long
-QUtil::random()
+namespace
 {
-    long result = 0L;
-    initializeWithRandomBytes(
-        reinterpret_cast<unsigned char*>(&result),
-        sizeof(result));
-    return result;
+    class RandomDataProviderProvider
+    {
+      public:
+        RandomDataProviderProvider();
+        void setProvider(RandomDataProvider*);
+        RandomDataProvider* getProvider();
+
+      private:
+        RandomDataProvider* default_provider;
+        RandomDataProvider* current_provider;
+    };
+} // namespace
+
+RandomDataProviderProvider::RandomDataProviderProvider() :
+    default_provider(CryptoRandomDataProvider::getInstance()),
+    current_provider(nullptr)
+{
+    this->current_provider = default_provider;
 }
 
-static RandomDataProvider* random_data_provider = 0;
+RandomDataProvider*
+RandomDataProviderProvider::getProvider()
+{
+    return this->current_provider;
+}
 
-#ifdef USE_INSECURE_RANDOM
-static RandomDataProvider* insecure_random_data_provider =
-    InsecureRandomDataProvider::getInstance();
-#else
-static RandomDataProvider* insecure_random_data_provider = 0;
-#endif
-static RandomDataProvider* secure_random_data_provider =
-    SecureRandomDataProvider::getInstance();
+void
+RandomDataProviderProvider::setProvider(RandomDataProvider* p)
+{
+    this->current_provider = p ? p : this->default_provider;
+}
 
-static void
-initialize_random_data_provider()
+static RandomDataProviderProvider*
+getRandomDataProviderProvider()
 {
-    if (random_data_provider == 0)
-    {
-        if (secure_random_data_provider)
-        {
-            random_data_provider = secure_random_data_provider;
-        }
-        else if (insecure_random_data_provider)
-        {
-            random_data_provider = insecure_random_data_provider;
-        }
-    }
-    // QUtil.hh has comments indicating that getRandomDataProvider(),
-    // which calls this method, never returns null.
-    if (random_data_provider == 0)
-    {
-        throw std::logic_error("QPDF has no random data provider");
-    }
+    // Thread-safe static initializer
+    static RandomDataProviderProvider rdpp;
+    return &rdpp;
 }
 
 void
 QUtil::setRandomDataProvider(RandomDataProvider* p)
 {
-    random_data_provider = p;
+    getRandomDataProviderProvider()->setProvider(p);
 }
 
 RandomDataProvider*
 QUtil::getRandomDataProvider()
 {
-    initialize_random_data_provider();
-    return random_data_provider;
+    return getRandomDataProviderProvider()->getProvider();
 }
 
 void
 QUtil::initializeWithRandomBytes(unsigned char* data, size_t len)
 {
-    initialize_random_data_provider();
-    random_data_provider->provideRandomData(data, len);
+    getRandomDataProvider()->provideRandomData(data, len);
 }
 
-void
-QUtil::srandom(unsigned int seed)
+long
+QUtil::random()
 {
-#ifdef HAVE_RANDOM
-    ::srandom(seed);
-#else
-    srand(seed);
-#endif
+    long result = 0L;
+    initializeWithRandomBytes(
+        reinterpret_cast<unsigned char*>(&result), sizeof(result));
+    return result;
 }
 
-bool
-QUtil::is_hex_digit(char ch)
+void
+QUtil::read_file_into_memory(
+    char const* filename, std::shared_ptr<char>& file_buf, size_t& size)
 {
-    return (ch && (strchr("0123456789abcdefABCDEF", ch) != 0));
+    FILE* f = safe_fopen(filename, "rb");
+    FileCloser fc(f);
+    fseek(f, 0, SEEK_END);
+    size = QIntC::to_size(QUtil::tell(f));
+    fseek(f, 0, SEEK_SET);
+    file_buf = QUtil::make_shared_array<char>(size);
+    char* buf_p = file_buf.get();
+    size_t bytes_read = 0;
+    size_t len = 0;
+    while ((len = fread(buf_p + bytes_read, 1, size - bytes_read, f)) > 0) {
+        bytes_read += len;
+    }
+    if (bytes_read != size) {
+        if (ferror(f)) {
+            throw std::runtime_error(
+                std::string("failure reading file ") + filename +
+                " into memory: read " + uint_to_string(bytes_read) +
+                "; wanted " + uint_to_string(size));
+        } else {
+            throw std::runtime_error(
+                std::string("premature eof reading file ") + filename +
+                " into memory: read " + uint_to_string(bytes_read) +
+                "; wanted " + uint_to_string(size));
+        }
+    }
 }
 
-bool
-QUtil::is_space(char ch)
+static bool
+read_char_from_FILE(char& ch, FILE* f)
 {
-    return (ch && (strchr(" \f\n\r\t\v", ch) != 0));
+    auto len = fread(&ch, 1, 1, f);
+    if (len == 0) {
+        if (ferror(f)) {
+            throw std::runtime_error("failure reading character from file");
+        }
+        return false;
+    }
+    return true;
 }
 
-bool
-QUtil::is_digit(char ch)
+std::list<std::string>
+QUtil::read_lines_from_file(char const* filename, bool preserve_eol)
 {
-    return ((ch >= '0') && (ch <= '9'));
+    std::list<std::string> lines;
+    FILE* f = safe_fopen(filename, "rb");
+    FileCloser fc(f);
+    auto next_char = &f(char& ch) { return read_char_from_FILE(ch, f); };
+    read_lines_from_file(next_char, lines, preserve_eol);
+    return lines;
 }
 
-bool
-QUtil::is_number(char const* p)
+std::list<std::string>
+QUtil::read_lines_from_file(std::istream& in, bool preserve_eol)
 {
-    // ^\+\-?(\.\d*|\d+(\.\d*)?)$
-    if (! *p)
-    {
-        return false;
-    }
-    if ((*p == '-') || (*p == '+'))
-    {
-        ++p;
-    }
-    bool found_dot = false;
-    bool found_digit = false;
-    for (; *p; ++p)
-    {
-        if (*p == '.')
-        {
-            if (found_dot)
-            {
-                // only one dot
-                return false;
-            }
-            found_dot = true;
-        }
-        else if (QUtil::is_digit(*p))
-        {
-            found_digit = true;
-        }
-        else
-        {
-            return false;
-        }
-    }
-    return found_digit;
+    std::list<std::string> lines;
+    auto next_char = &in(char& ch) { return (in.get(ch)) ? true : false; };
+    read_lines_from_file(next_char, lines, preserve_eol);
+    return lines;
 }
 
 std::list<std::string>
-QUtil::read_lines_from_file(char const* filename)
+QUtil::read_lines_from_file(FILE* f, bool preserve_eol)
 {
-    std::ifstream in(filename, std::ios_base::binary);
-    if (! in.is_open())
-    {
-        throw_system_error(std::string("open ") + filename);
-    }
-    std::list<std::string> lines = read_lines_from_file(in);
-    in.close();
+    std::list<std::string> lines;
+    auto next_char = &f(char& ch) { return read_char_from_FILE(ch, f); };
+    read_lines_from_file(next_char, lines, preserve_eol);
     return lines;
 }
 
-std::list<std::string>
-QUtil::read_lines_from_file(std::istream& in)
+void
+QUtil::read_lines_from_file(
+    std::function<bool(char&)> next_char,
+    std::list<std::string>& lines,
+    bool preserve_eol)
 {
-    std::list<std::string> result;
-    std::string* buf = 0;
-
+    std::string* buf = nullptr;
     char c;
-    while (in.get(c))
-    {
-	if (buf == 0)
-	{
-	    result.push_back("");
-	    buf = &(result.back());
-	    buf->reserve(80);
-	}
-
-	if (buf->capacity() == buf->size())
-	{
-	    buf->reserve(buf->capacity() * 2);
-	}
-	if (c == '\n')
-	{
-            // Remove any carriage return that preceded the
-            // newline and discard the newline
-            if ((! buf->empty()) && ((*(buf->rbegin())) == '\r'))
-            {
-                buf->erase(buf->length() - 1);
+    while (next_char(c)) {
+        if (buf == nullptr) {
+            lines.push_back("");
+            buf = &(lines.back());
+            buf->reserve(80);
+        }
+
+        if (buf->capacity() == buf->size()) {
+            buf->reserve(buf->capacity() * 2);
+        }
+        if (c == '\n') {
+            if (preserve_eol) {
+                buf->append(1, c);
+            } else {
+                // Remove any carriage return that preceded the
+                // newline and discard the newline
+                if ((!buf->empty()) && ((*(buf->rbegin())) == '\r')) {
+                    buf->erase(buf->length() - 1);
+                }
             }
-	    buf = 0;
-	}
-	else
-	{
-	    buf->append(1, c);
-	}
+            buf = nullptr;
+        } else {
+            buf->append(1, c);
+        }
     }
-
-    return result;
 }
 
 int
-QUtil::strcasecmp(char const *s1, char const *s2)
+QUtil::str_compare_nocase(char const* s1, char const* s2)
 {
 #if defined(_WIN32) && defined(__BORLANDC__)
     return stricmp(s1, s2);
 #elif defined(_WIN32)
     return _stricmp(s1, s2);
 #else
-    return ::strcasecmp(s1, s2);
+    return strcasecmp(s1, s2);
 #endif
 }
 
-static int maybe_from_end(int num, bool from_end, int max)
+static int
+maybe_from_end(int num, bool from_end, int max)
 {
-    if (from_end)
-    {
-        if (num > max)
-        {
+    if (from_end) {
+        if (num > max) {
             num = 0;
-        }
-        else
-        {
+        } else {
             num = max + 1 - num;
         }
     }
@@ -983,153 +1348,134 @@
 {
     std::vector<int> result;
     char const* p = range;
-    try
-    {
+    try {
         std::vector<int> work;
         static int const comma = -1;
         static int const dash = -2;
+        size_t start_idx = 0;
+        size_t skip = 1;
 
-        enum { st_top,
-               st_in_number,
-               st_after_number } state = st_top;
+        enum { st_top, st_in_number, st_after_number } state = st_top;
         bool last_separator_was_dash = false;
         int cur_number = 0;
         bool from_end = false;
-        while (*p)
-        {
+        while (*p) {
             char ch = *p;
-            if (isdigit(ch))
-            {
-                if (! ((state == st_top) || (state == st_in_number)))
-                {
+            if (isdigit(ch)) {
+                if (!((state == st_top) || (state == st_in_number))) {
                     throw std::runtime_error("digit not expected");
                 }
                 state = st_in_number;
                 cur_number *= 10;
                 cur_number += (ch - '0');
-            }
-            else if (ch == 'z')
-            {
+            } else if (ch == 'z') {
                 // z represents max
-                if (! (state == st_top))
-                {
+                if (!(state == st_top)) {
                     throw std::runtime_error("z not expected");
                 }
                 state = st_after_number;
                 cur_number = max;
-            }
-            else if (ch == 'r')
-            {
-                if (! (state == st_top))
-                {
+            } else if (ch == 'r') {
+                if (!(state == st_top)) {
                     throw std::runtime_error("r not expected");
                 }
                 state = st_in_number;
                 from_end = true;
-            }
-            else if ((ch == ',') || (ch == '-'))
-            {
-                if (! ((state == st_in_number) || (state == st_after_number)))
-                {
+            } else if ((ch == ',') || (ch == '-')) {
+                if (!((state == st_in_number) || (state == st_after_number))) {
                     throw std::runtime_error("unexpected separator");
                 }
                 cur_number = maybe_from_end(cur_number, from_end, max);
                 work.push_back(cur_number);
                 cur_number = 0;
                 from_end = false;
-                if (ch == ',')
-                {
+                if (ch == ',') {
                     state = st_top;
                     last_separator_was_dash = false;
                     work.push_back(comma);
-                }
-                else if (ch == '-')
-                {
-                    if (last_separator_was_dash)
-                    {
+                } else if (ch == '-') {
+                    if (last_separator_was_dash) {
                         throw std::runtime_error("unexpected dash");
                     }
                     state = st_top;
                     last_separator_was_dash = true;
                     work.push_back(dash);
                 }
-            }
-            else
-            {
+            } else if (ch == ':') {
+                if (!((state == st_in_number) || (state == st_after_number))) {
+                    throw std::runtime_error("unexpected colon");
+                }
+                break;
+            } else {
                 throw std::runtime_error("unexpected character");
             }
             ++p;
         }
-        if ((state == st_in_number) || (state == st_after_number))
-        {
+        if ((state == st_in_number) || (state == st_after_number)) {
             cur_number = maybe_from_end(cur_number, from_end, max);
             work.push_back(cur_number);
-        }
-        else
-        {
+        } else {
             throw std::runtime_error("number expected");
         }
+        if (*p == ':') {
+            if (strcmp(p, ":odd") == 0) {
+                skip = 2;
+            } else if (strcmp(p, ":even") == 0) {
+                skip = 2;
+                start_idx = 1;
+            } else {
+                throw std::runtime_error("unexpected even/odd modifier");
+            }
+        }
 
-        p = 0;
-        for (size_t i = 0; i < work.size(); i += 2)
-        {
+        p = nullptr;
+        for (size_t i = 0; i < work.size(); i += 2) {
             int num = work.at(i);
             // max == 0 means we don't know the max and are just
             // testing for valid syntax.
-            if ((max > 0) && ((num < 1) || (num > max)))
-            {
+            if ((max > 0) && ((num < 1) || (num > max))) {
                 throw std::runtime_error(
                     "number " + QUtil::int_to_string(num) + " out of range");
             }
-            if (i == 0)
-            {
+            if (i == 0) {
                 result.push_back(work.at(i));
-            }
-            else
-            {
-                int separator = work.at(i-1);
-                if (separator == comma)
-                {
+            } else {
+                int separator = work.at(i - 1);
+                if (separator == comma) {
                     result.push_back(num);
-                }
-                else if (separator == dash)
-                {
+                } else if (separator == dash) {
                     int lastnum = result.back();
-                    if (num > lastnum)
-                    {
-                        for (int j = lastnum + 1; j <= num; ++j)
-                        {
+                    if (num > lastnum) {
+                        for (int j = lastnum + 1; j <= num; ++j) {
                             result.push_back(j);
                         }
-                    }
-                    else
-                    {
-                        for (int j = lastnum - 1; j >= num; --j)
-                        {
+                    } else {
+                        for (int j = lastnum - 1; j >= num; --j) {
                             result.push_back(j);
                         }
                     }
-                }
-                else
-                {
+                } else {
                     throw std::logic_error(
                         "INTERNAL ERROR parsing numeric range");
                 }
             }
         }
-    }
-    catch (std::runtime_error const& e)
-    {
+        if ((start_idx > 0) || (skip != 1)) {
+            auto t = result;
+            result.clear();
+            for (size_t i = start_idx; i < t.size(); i += skip) {
+                result.push_back(t.at(i));
+            }
+        }
+    } catch (std::runtime_error const& e) {
         std::string message;
-        if (p)
-        {
+        if (p) {
             message = "error at * in numeric range " +
-                std::string(range, p - range) + "*" + p + ": " + e.what();
-        }
-        else
-        {
-            message = "error in numeric range " +
-                std::string(range) + ": " + e.what();
+                std::string(range, QIntC::to_size(p - range)) + "*" + p + ": " +
+                e.what();
+        } else {
+            message = "error in numeric range " + std::string(range) + ": " +
+                e.what();
         }
         throw std::runtime_error(message);
     }
@@ -1141,601 +1487,66 @@
 static unsigned char
 encode_winansi(unsigned long codepoint)
 {
-    // Use this ugly switch statement to avoid a static, which is not
-    // thread-safe.
-    unsigned char ch = '\0';
-    switch (codepoint)
-    {
-      case 0x20ac:
-        ch = 0x80;
-        break;
-      case 0x201a:
-        ch = 0x82;
-        break;
-      case 0x192:
-        ch = 0x83;
-        break;
-      case 0x201e:
-        ch = 0x84;
-        break;
-      case 0x2026:
-        ch = 0x85;
-        break;
-      case 0x2020:
-        ch = 0x86;
-        break;
-      case 0x2021:
-        ch = 0x87;
-        break;
-      case 0x2c6:
-        ch = 0x88;
-        break;
-      case 0x2030:
-        ch = 0x89;
-        break;
-      case 0x160:
-        ch = 0x8a;
-        break;
-      case 0x2039:
-        ch = 0x8b;
-        break;
-      case 0x152:
-        ch = 0x8c;
-        break;
-      case 0x17d:
-        ch = 0x8e;
-        break;
-      case 0x2018:
-        ch = 0x91;
-        break;
-      case 0x2019:
-        ch = 0x92;
-        break;
-      case 0x201c:
-        ch = 0x93;
-        break;
-      case 0x201d:
-        ch = 0x94;
-        break;
-      case 0x2022:
-        ch = 0x95;
-        break;
-      case 0x2013:
-        ch = 0x96;
-        break;
-      case 0x2014:
-        ch = 0x97;
-        break;
-      case 0x303:
-        ch = 0x98;
-        break;
-      case 0x2122:
-        ch = 0x99;
-        break;
-      case 0x161:
-        ch = 0x9a;
-        break;
-      case 0x203a:
-        ch = 0x9b;
-        break;
-      case 0x153:
-        ch = 0x9c;
-        break;
-      case 0x17e:
-        ch = 0x9e;
-        break;
-      case 0x178:
-        ch = 0x9f;
-        break;
-      case 0xa0:
-        ch = 0xa0;
-        break;
-      default:
-        break;
-    }
-    return ch;
+    auto i = unicode_to_win_ansi.find(codepoint);
+    if (i != unicode_to_win_ansi.end()) {
+        return i->second;
+    }
+    return '\0';
 }
 
 static unsigned char
 encode_macroman(unsigned long codepoint)
 {
-    // Use this ugly switch statement to avoid a static, which is not
-    // thread-safe.
-    unsigned char ch = '\0';
-    switch (codepoint)
-    {
-      case 0xc4:
-        ch = 0x80;
-        break;
-      case 0xc5:
-        ch = 0x81;
-        break;
-      case 0xc7:
-        ch = 0x82;
-        break;
-      case 0xc9:
-        ch = 0x83;
-        break;
-      case 0xd1:
-        ch = 0x84;
-        break;
-      case 0xd6:
-        ch = 0x85;
-        break;
-      case 0xdc:
-        ch = 0x86;
-        break;
-      case 0xe1:
-        ch = 0x87;
-        break;
-      case 0xe0:
-        ch = 0x88;
-        break;
-      case 0xe2:
-        ch = 0x89;
-        break;
-      case 0xe4:
-        ch = 0x8a;
-        break;
-      case 0xe3:
-        ch = 0x8b;
-        break;
-      case 0xe5:
-        ch = 0x8c;
-        break;
-      case 0xe7:
-        ch = 0x8d;
-        break;
-      case 0xe9:
-        ch = 0x8e;
-        break;
-      case 0xe8:
-        ch = 0x8f;
-        break;
-      case 0xea:
-        ch = 0x90;
-        break;
-      case 0xeb:
-        ch = 0x91;
-        break;
-      case 0xed:
-        ch = 0x92;
-        break;
-      case 0xec:
-        ch = 0x93;
-        break;
-      case 0xee:
-        ch = 0x94;
-        break;
-      case 0xef:
-        ch = 0x95;
-        break;
-      case 0xf1:
-        ch = 0x96;
-        break;
-      case 0xf3:
-        ch = 0x97;
-        break;
-      case 0xf2:
-        ch = 0x98;
-        break;
-      case 0xf4:
-        ch = 0x99;
-        break;
-      case 0xf6:
-        ch = 0x9a;
-        break;
-      case 0xf5:
-        ch = 0x9b;
-        break;
-      case 0xfa:
-        ch = 0x9c;
-        break;
-      case 0xf9:
-        ch = 0x9d;
-        break;
-      case 0xfb:
-        ch = 0x9e;
-        break;
-      case 0xfc:
-        ch = 0x9f;
-        break;
-      case 0x2020:
-        ch = 0xa0;
-        break;
-      case 0xb0:
-        ch = 0xa1;
-        break;
-      case 0xa2:
-        ch = 0xa2;
-        break;
-      case 0xa3:
-        ch = 0xa3;
-        break;
-      case 0xa7:
-        ch = 0xa4;
-        break;
-      case 0x2022:
-        ch = 0xa5;
-        break;
-      case 0xb6:
-        ch = 0xa6;
-        break;
-      case 0xdf:
-        ch = 0xa7;
-        break;
-      case 0xae:
-        ch = 0xa8;
-        break;
-      case 0xa9:
-        ch = 0xa9;
-        break;
-      case 0x2122:
-        ch = 0xaa;
-        break;
-      case 0x301:
-        ch = 0xab;
-        break;
-      case 0x308:
-        ch = 0xac;
-        break;
-      case 0xc6:
-        ch = 0xae;
-        break;
-      case 0xd8:
-        ch = 0xaf;
-        break;
-      case 0xb1:
-        ch = 0xb1;
-        break;
-      case 0xa5:
-        ch = 0xb4;
-        break;
-      case 0x3bc:
-        ch = 0xb5;
-        break;
-      case 0x1d43:
-        ch = 0xbb;
-        break;
-      case 0x1d52:
-        ch = 0xbc;
-        break;
-      case 0xe6:
-        ch = 0xbe;
-        break;
-      case 0xf8:
-        ch = 0xbf;
-        break;
-      case 0xbf:
-        ch = 0xc0;
-        break;
-      case 0xa1:
-        ch = 0xc1;
-        break;
-      case 0xac:
-        ch = 0xc2;
-        break;
-      case 0x192:
-        ch = 0xc4;
-        break;
-      case 0xab:
-        ch = 0xc7;
-        break;
-      case 0xbb:
-        ch = 0xc8;
-        break;
-      case 0x2026:
-        ch = 0xc9;
-        break;
-      case 0xc0:
-        ch = 0xcb;
-        break;
-      case 0xc3:
-        ch = 0xcc;
-        break;
-      case 0xd5:
-        ch = 0xcd;
-        break;
-      case 0x152:
-        ch = 0xce;
-        break;
-      case 0x153:
-        ch = 0xcf;
-        break;
-      case 0x2013:
-        ch = 0xd0;
-        break;
-      case 0x2014:
-        ch = 0xd1;
-        break;
-      case 0x201c:
-        ch = 0xd2;
-        break;
-      case 0x201d:
-        ch = 0xd3;
-        break;
-      case 0x2018:
-        ch = 0xd4;
-        break;
-      case 0x2019:
-        ch = 0xd5;
-        break;
-      case 0xf7:
-        ch = 0xd6;
-        break;
-      case 0xff:
-        ch = 0xd8;
-        break;
-      case 0x178:
-        ch = 0xd9;
-        break;
-      case 0x2044:
-        ch = 0xda;
-        break;
-      case 0xa4:
-        ch = 0xdb;
-        break;
-      case 0x2039:
-        ch = 0xdc;
-        break;
-      case 0x203a:
-        ch = 0xdd;
-        break;
-      case 0xfb01:
-        ch = 0xde;
-        break;
-      case 0xfb02:
-        ch = 0xdf;
-        break;
-      case 0x2021:
-        ch = 0xe0;
-        break;
-      case 0xb7:
-        ch = 0xe1;
-        break;
-      case 0x201a:
-        ch = 0xe2;
-        break;
-      case 0x201e:
-        ch = 0xe3;
-        break;
-      case 0x2030:
-        ch = 0xe4;
-        break;
-      case 0xc2:
-        ch = 0xe5;
-        break;
-      case 0xca:
-        ch = 0xe6;
-        break;
-      case 0xc1:
-        ch = 0xe7;
-        break;
-      case 0xcb:
-        ch = 0xe8;
-        break;
-      case 0xc8:
-        ch = 0xe9;
-        break;
-      case 0xcd:
-        ch = 0xea;
-        break;
-      case 0xce:
-        ch = 0xeb;
-        break;
-      case 0xcf:
-        ch = 0xec;
-        break;
-      case 0xcc:
-        ch = 0xed;
-        break;
-      case 0xd3:
-        ch = 0xee;
-        break;
-      case 0xd4:
-        ch = 0xef;
-        break;
-      case 0xd2:
-        ch = 0xf1;
-        break;
-      case 0xda:
-        ch = 0xf2;
-        break;
-      case 0xdb:
-        ch = 0xf3;
-        break;
-      case 0xd9:
-        ch = 0xf4;
-        break;
-      case 0x131:
-        ch = 0xf5;
-        break;
-      case 0x2c6:
-        ch = 0xf6;
-        break;
-      case 0x303:
-        ch = 0xf7;
-        break;
-      case 0x304:
-        ch = 0xf8;
-        break;
-      case 0x306:
-        ch = 0xf9;
-        break;
-      case 0x307:
-        ch = 0xfa;
-        break;
-      case 0x30a:
-        ch = 0xfb;
-        break;
-      case 0x327:
-        ch = 0xfc;
-        break;
-      case 0x30b:
-        ch = 0xfd;
-        break;
-      case 0x328:
-        ch = 0xfe;
-        break;
-      case 0x2c7:
-        ch = 0xff;
-        break;
-      default:
-        break;
-    }
-    return ch;
+    auto i = unicode_to_mac_roman.find(codepoint);
+    if (i != unicode_to_mac_roman.end()) {
+        return i->second;
+    }
+    return '\0';
 }
 
 static unsigned char
 encode_pdfdoc(unsigned long codepoint)
 {
-    // Use this ugly switch statement to avoid a static, which is not
-    // thread-safe.
-    unsigned char ch = '\0';
-    switch (codepoint)
-    {
-      case 0x2022:
-        ch = 0x80;
-        break;
-      case 0x2020:
-        ch = 0x81;
-        break;
-      case 0x2021:
-        ch = 0x82;
-        break;
-      case 0x2026:
-        ch = 0x83;
-        break;
-      case 0x2014:
-        ch = 0x84;
-        break;
-      case 0x2013:
-        ch = 0x85;
-        break;
-      case 0x0192:
-        ch = 0x86;
-        break;
-      case 0x2044:
-        ch = 0x87;
-        break;
-      case 0x2039:
-        ch = 0x88;
-        break;
-      case 0x203a:
-        ch = 0x89;
-        break;
-      case 0x2212:
-        ch = 0x8a;
-        break;
-      case 0x2030:
-        ch = 0x8b;
-        break;
-      case 0x201e:
-        ch = 0x8c;
-        break;
-      case 0x201c:
-        ch = 0x8d;
-        break;
-      case 0x201d:
-        ch = 0x8e;
-        break;
-      case 0x2018:
-        ch = 0x8f;
-        break;
-      case 0x2019:
-        ch = 0x90;
-        break;
-      case 0x201a:
-        ch = 0x91;
-        break;
-      case 0x2122:
-        ch = 0x92;
-        break;
-      case 0xfb01:
-        ch = 0x93;
-        break;
-      case 0xfb02:
-        ch = 0x94;
-        break;
-      case 0x0141:
-        ch = 0x95;
-        break;
-      case 0x0152:
-        ch = 0x96;
-        break;
-      case 0x0160:
-        ch = 0x97;
-        break;
-      case 0x0178:
-        ch = 0x98;
-        break;
-      case 0x017d:
-        ch = 0x99;
-        break;
-      case 0x0131:
-        ch = 0x9a;
-        break;
-      case 0x0142:
-        ch = 0x9b;
-        break;
-      case 0x0153:
-        ch = 0x9c;
-        break;
-      case 0x0161:
-        ch = 0x9d;
-        break;
-      case 0x017e:
-        ch = 0x9e;
-        break;
-      case 0xfffd:
-        ch = 0x9f;
-        break;
-      case 0x20ac:
-        ch = 0xa0;
-        break;
-      default:
-        break;
-    }
-    return ch;
-}
-
-unsigned long get_next_utf8_codepoint(
+    auto i = unicode_to_pdf_doc.find(codepoint);
+    if (i != unicode_to_pdf_doc.end()) {
+        return i->second;
+    }
+    return '\0';
+}
+
+unsigned long
+QUtil::get_next_utf8_codepoint(
     std::string const& utf8_val, size_t& pos, bool& error)
 {
     size_t len = utf8_val.length();
-    unsigned char ch = static_cast<unsigned char>(utf8_val.at(pos));
+    unsigned char ch = static_cast<unsigned char>(utf8_val.at(pos++));
     error = false;
-    if (ch < 128)
-    {
+    if (ch < 128) {
         return static_cast<unsigned long>(ch);
     }
 
     size_t bytes_needed = 0;
     unsigned bit_check = 0x40;
     unsigned char to_clear = 0x80;
-    while (ch & bit_check)
-    {
+    while (ch & bit_check) {
         ++bytes_needed;
-        to_clear |= bit_check;
+        to_clear = static_cast<unsigned char>(to_clear | bit_check);
         bit_check >>= 1;
     }
     if (((bytes_needed > 5) || (bytes_needed < 1)) ||
-        ((pos + bytes_needed) >= len))
-    {
+        ((pos + bytes_needed) > len)) {
         error = true;
         return 0xfffd;
     }
 
-    unsigned long codepoint = (ch & ~to_clear);
-    while (bytes_needed > 0)
-    {
+    unsigned long codepoint = static_cast<unsigned long>(ch & ~to_clear);
+    while (bytes_needed > 0) {
         --bytes_needed;
-        ch = utf8_val.at(++pos);
-        if ((ch & 0xc0) != 0x80)
-        {
+        ch = static_cast<unsigned char>(utf8_val.at(pos++));
+        if ((ch & 0xc0) != 0x80) {
             --pos;
-            codepoint = 0xfffd;
-            break;
+            error = true;
+            return 0xfffd;
         }
         codepoint <<= 6;
         codepoint += (ch & 0x3f);
@@ -1744,82 +1555,77 @@
 }
 
 static bool
-transcode_utf8(std::string const& utf8_val, std::string& result,
-               encoding_e encoding, char unknown)
+transcode_utf8(
+    std::string const& utf8_val,
+    std::string& result,
+    encoding_e encoding,
+    char unknown)
 {
     bool okay = true;
     result.clear();
-    if (encoding == e_utf16)
-    {
+    if (encoding == e_utf16) {
         result += "\xfe\xff";
     }
     size_t len = utf8_val.length();
-    for (size_t i = 0; i < len; ++i)
-    {
+    size_t pos = 0;
+    while (pos < len) {
         bool error = false;
-        unsigned long codepoint = get_next_utf8_codepoint(utf8_val, i, error);
-        if (error)
-        {
+        unsigned long codepoint =
+            QUtil::get_next_utf8_codepoint(utf8_val, pos, error);
+        if (error) {
             okay = false;
-            if (encoding == e_utf16)
-            {
+            if (encoding == e_utf16) {
                 result += "\xff\xfd";
-            }
-            else
-            {
+            } else {
                 result.append(1, unknown);
             }
-        }
-        else if (codepoint < 128)
-        {
+        } else if (codepoint < 128) {
             char ch = static_cast<char>(codepoint);
-            if (encoding == e_utf16)
-            {
-                result += QUtil::toUTF16(ch);
-            }
-            else
-            {
+            if (encoding == e_utf16) {
+                result += QUtil::toUTF16(QIntC::to_ulong(ch));
+            } else if (
+                (encoding == e_pdfdoc) &&
+                (((ch >= 0x18) && (ch <= 0x1f)) || (ch == 127))) {
+                // PDFDocEncoding maps some low characters to Unicode,
+                // so if we encounter those invalid UTF-8 code points,
+                // map them to unknown so reversing the mapping
+                // doesn't change them into other characters.
+                okay = false;
+                result.append(1, unknown);
+            } else {
                 result.append(1, ch);
             }
-        }
-        else if (encoding == e_utf16)
-        {
+        } else if (encoding == e_utf16) {
             result += QUtil::toUTF16(codepoint);
-        }
-        else if ((codepoint > 160) && (codepoint < 256) &&
-                 ((encoding == e_winansi) || (encoding == e_pdfdoc)))
-        {
-            result.append(1, static_cast<unsigned char>(codepoint & 0xff));
-        }
-        else
-        {
+        } else if ((codepoint == 0xad) && (encoding == e_pdfdoc)) {
+            // PDFDocEncoding omits 0x00ad (soft hyphen).
+            okay = false;
+            result.append(1, unknown);
+        } else if (
+            (codepoint > 160) && (codepoint < 256) &&
+            ((encoding == e_winansi) || (encoding == e_pdfdoc))) {
+            result.append(1, static_cast<char>(codepoint & 0xff));
+        } else {
             unsigned char ch = '\0';
-            if (encoding == e_winansi)
-            {
+            if (encoding == e_winansi) {
                 ch = encode_winansi(codepoint);
-            }
-            else if (encoding == e_macroman)
-            {
+            } else if (encoding == e_macroman) {
                 ch = encode_macroman(codepoint);
-            }
-            else if (encoding == e_pdfdoc)
-            {
+            } else if (encoding == e_pdfdoc) {
                 ch = encode_pdfdoc(codepoint);
             }
-            if (ch == '\0')
-            {
+            if (ch == '\0') {
                 okay = false;
                 ch = static_cast<unsigned char>(unknown);
             }
-            result.append(1, ch);
+            result.append(1, static_cast<char>(ch));
         }
     }
     return okay;
 }
 
 static std::string
-transcode_utf8(std::string const& utf8_val, encoding_e encoding,
-               char unknown)
+transcode_utf8(std::string const& utf8_val, encoding_e encoding, char unknown)
 {
     std::string result;
     transcode_utf8(utf8_val, result, encoding, unknown);
@@ -1857,29 +1663,29 @@
 }
 
 bool
-QUtil::utf8_to_ascii(std::string const& utf8, std::string& ascii,
-                     char unknown_char)
+QUtil::utf8_to_ascii(
+    std::string const& utf8, std::string& ascii, char unknown_char)
 {
     return transcode_utf8(utf8, ascii, e_ascii, unknown_char);
 }
 
 bool
-QUtil::utf8_to_win_ansi(std::string const& utf8, std::string& win,
-                        char unknown_char)
+QUtil::utf8_to_win_ansi(
+    std::string const& utf8, std::string& win, char unknown_char)
 {
     return transcode_utf8(utf8, win, e_winansi, unknown_char);
 }
 
 bool
-QUtil::utf8_to_mac_roman(std::string const& utf8, std::string& mac,
-                         char unknown_char)
+QUtil::utf8_to_mac_roman(
+    std::string const& utf8, std::string& mac, char unknown_char)
 {
     return transcode_utf8(utf8, mac, e_macroman, unknown_char);
 }
 
 bool
-QUtil::utf8_to_pdf_doc(std::string const& utf8, std::string& pdfdoc,
-                       char unknown_char)
+QUtil::utf8_to_pdf_doc(
+    std::string const& utf8, std::string& pdfdoc, char unknown_char)
 {
     return transcode_utf8(utf8, pdfdoc, e_pdfdoc, unknown_char);
 }
@@ -1887,8 +1693,19 @@
 bool
 QUtil::is_utf16(std::string const& val)
 {
-    return ((val.length() >= 2) &&
-            (val.at(0) == '\xfe') && (val.at(1) == '\xff'));
+    return (
+        (val.length() >= 2) &&
+        (((val.at(0) == '\xfe') && (val.at(1) == '\xff')) ||
+         ((val.at(0) == '\xff') && (val.at(1) == '\xfe'))));
+}
+
+bool
+QUtil::is_explicit_utf8(std::string const& val)
+{
+    // QPDF_String.cc knows that this is a 3-byte sequence.
+    return (
+        (val.length() >= 3) && (val.at(0) == '\xef') && (val.at(1) == '\xbb') &&
+        (val.at(2) == '\xbf'));
 }
 
 std::string
@@ -1902,38 +1719,36 @@
     unsigned long codepoint = 0L;
     size_t len = val.length();
     size_t start = 0;
-    if (is_utf16(val))
-    {
+    bool is_le = false;
+    if (is_utf16(val)) {
+        if (static_cast<unsigned char>(val.at(0)) == 0xff) {
+            is_le = true;
+        }
         start += 2;
     }
     // If the string has an odd number of bytes, the last byte is
     // ignored.
-    for (unsigned int i = start; i < len; i += 2)
-    {
+    for (size_t i = start; i + 1 < len; i += 2) {
         // Convert from UTF16-BE.  If we get a malformed
         // codepoint, this code will generate incorrect output
         // without giving a warning.  Specifically, a high
         // codepoint not followed by a low codepoint will be
         // discarded, and a low codepoint not preceded by a high
         // codepoint will just get its low 10 bits output.
-        unsigned short bits =
-            (static_cast<unsigned char>(val.at(i)) << 8) +
-            static_cast<unsigned char>(val.at(i+1));
-        if ((bits & 0xFC00) == 0xD800)
-        {
-            codepoint = 0x10000 + ((bits & 0x3FF) << 10);
+        auto msb = is_le ? i + 1 : i;
+        auto lsb = is_le ? i : i + 1;
+        unsigned short bits = QIntC::to_ushort(
+            (static_cast<unsigned char>(val.at(msb)) << 8) +
+            static_cast<unsigned char>(val.at(lsb)));
+        if ((bits & 0xFC00) == 0xD800) {
+            codepoint = 0x10000U + ((bits & 0x3FFU) << 10U);
             continue;
-        }
-        else if ((bits & 0xFC00) == 0xDC00)
-        {
-            if (codepoint != 0)
-            {
+        } else if ((bits & 0xFC00) == 0xDC00) {
+            if (codepoint != 0) {
                 QTC::TC("qpdf", "QUtil non-trivial UTF-16");
             }
             codepoint += bits & 0x3FF;
-        }
-        else
-        {
+        } else {
             codepoint = bits;
         }
 
@@ -1948,15 +1763,13 @@
 {
     std::string result;
     size_t len = val.length();
-    for (unsigned int i = 0; i < len; ++i)
-    {
+    for (unsigned int i = 0; i < len; ++i) {
         unsigned char ch = static_cast<unsigned char>(val.at(i));
-        unsigned short val = ch;
-        if ((ch >= 128) && (ch <= 160))
-        {
-            val = win_ansi_to_unicodech - 128;
+        unsigned short ch_short = ch;
+        if ((ch >= 128) && (ch <= 160)) {
+            ch_short = win_ansi_to_unicodech - 128;
         }
-        result += QUtil::toUTF8(val);
+        result += QUtil::toUTF8(ch_short);
     }
     return result;
 }
@@ -1966,15 +1779,13 @@
 {
     std::string result;
     size_t len = val.length();
-    for (unsigned int i = 0; i < len; ++i)
-    {
+    for (unsigned int i = 0; i < len; ++i) {
         unsigned char ch = static_cast<unsigned char>(val.at(i));
-        unsigned short val = ch;
-        if (ch >= 128)
-        {
-            val = mac_roman_to_unicodech - 128;
+        unsigned short ch_short = ch;
+        if (ch >= 128) {
+            ch_short = mac_roman_to_unicodech - 128;
         }
-        result += QUtil::toUTF8(val);
+        result += QUtil::toUTF8(ch_short);
     }
     return result;
 }
@@ -1984,49 +1795,48 @@
 {
     std::string result;
     size_t len = val.length();
-    for (unsigned int i = 0; i < len; ++i)
-    {
+    for (unsigned int i = 0; i < len; ++i) {
         unsigned char ch = static_cast<unsigned char>(val.at(i));
-        unsigned short val = ch;
-        if ((ch >= 128) && (ch <= 160))
-        {
-            val = pdf_doc_to_unicodech - 128;
+        unsigned short ch_short = ch;
+        if ((ch >= 127) && (ch <= 160)) {
+            ch_short = pdf_doc_to_unicodech - 127;
+        } else if ((ch >= 24) && (ch <= 31)) {
+            ch_short = pdf_doc_low_to_unicodech - 24;
+        } else if (ch == 173) {
+            ch_short = 0xfffd;
         }
-        result += QUtil::toUTF8(val);
+        result += QUtil::toUTF8(ch_short);
     }
     return result;
 }
 
 void
-QUtil::analyze_encoding(std::string const& val,
-                        bool& has_8bit_chars,
-                        bool& is_valid_utf8,
-                        bool& is_utf16)
+QUtil::analyze_encoding(
+    std::string const& val,
+    bool& has_8bit_chars,
+    bool& is_valid_utf8,
+    bool& is_utf16)
 {
     has_8bit_chars = is_utf16 = is_valid_utf8 = false;
-    if (QUtil::is_utf16(val))
-    {
+    if (QUtil::is_utf16(val)) {
         has_8bit_chars = true;
         is_utf16 = true;
         return;
     }
     size_t len = val.length();
+    size_t pos = 0;
     bool any_errors = false;
-    for (size_t i = 0; i < len; ++i)
-    {
+    while (pos < len) {
         bool error = false;
-        unsigned long codepoint = get_next_utf8_codepoint(val, i, error);
-        if (error)
-        {
+        unsigned long codepoint = get_next_utf8_codepoint(val, pos, error);
+        if (error) {
             any_errors = true;
         }
-        if (codepoint >= 128)
-        {
+        if (codepoint >= 128) {
             has_8bit_chars = true;
         }
     }
-    if (has_8bit_chars && (! any_errors))
-    {
+    if (has_8bit_chars && (!any_errors)) {
         is_valid_utf8 = true;
     }
 }
@@ -2041,37 +1851,29 @@
     bool is_valid_utf8 = false;
     bool is_utf16 = false;
     analyze_encoding(supplied, has_8bit_chars, is_valid_utf8, is_utf16);
-    if (! has_8bit_chars)
-    {
+    if (!has_8bit_chars) {
         return result;
     }
-    if (is_utf16)
-    {
+    if (is_utf16) {
         // Convert to UTF-8 and pretend we got a UTF-8 string.
         is_utf16 = false;
         is_valid_utf8 = true;
         supplied = utf16_to_utf8(supplied);
     }
     std::string output;
-    if (is_valid_utf8)
-    {
+    if (is_valid_utf8) {
         // Maybe we were given UTF-8 but wanted one of the single-byte
         // encodings.
-        if (utf8_to_pdf_doc(supplied, output))
-        {
+        if (utf8_to_pdf_doc(supplied, output)) {
             result.push_back(output);
         }
-        if (utf8_to_win_ansi(supplied, output))
-        {
+        if (utf8_to_win_ansi(supplied, output)) {
             result.push_back(output);
         }
-        if (utf8_to_mac_roman(supplied, output))
-        {
+        if (utf8_to_mac_roman(supplied, output)) {
             result.push_back(output);
         }
-    }
-    else
-    {
+    } else {
         // Maybe we were given one of the single-byte encodings but
         // wanted UTF-8.
         std::string from_pdf_doc(pdf_doc_to_utf8(supplied));
@@ -2083,42 +1885,159 @@
 
         // Maybe we were given one of the other single-byte encodings
         // but wanted one of the other ones.
-        if (utf8_to_win_ansi(from_pdf_doc, output))
-        {
+        if (utf8_to_win_ansi(from_pdf_doc, output)) {
             result.push_back(output);
         }
-        if (utf8_to_mac_roman(from_pdf_doc, output))
-        {
+        if (utf8_to_mac_roman(from_pdf_doc, output)) {
             result.push_back(output);
         }
-        if (utf8_to_pdf_doc(from_win_ansi, output))
-        {
+        if (utf8_to_pdf_doc(from_win_ansi, output)) {
             result.push_back(output);
         }
-        if (utf8_to_mac_roman(from_win_ansi, output))
-        {
+        if (utf8_to_mac_roman(from_win_ansi, output)) {
             result.push_back(output);
         }
-        if (utf8_to_pdf_doc(from_mac_roman, output))
-        {
+        if (utf8_to_pdf_doc(from_mac_roman, output)) {
             result.push_back(output);
         }
-        if (utf8_to_win_ansi(from_mac_roman, output))
-        {
+        if (utf8_to_win_ansi(from_mac_roman, output)) {
             result.push_back(output);
         }
     }
     // De-duplicate
     std::vector<std::string> t;
     std::set<std::string> seen;
-    for (std::vector<std::string>::iterator iter = result.begin();
-         iter != result.end(); ++iter)
-    {
-        if (! seen.count(*iter))
-        {
-            seen.insert(*iter);
-            t.push_back(*iter);
+    for (auto const& iter: result) {
+        if (!seen.count(iter)) {
+            seen.insert(iter);
+            t.push_back(iter);
         }
     }
     return t;
 }
+
+#ifndef QPDF_NO_WCHAR_T
+static int
+call_main_from_wmain(
+    bool,
+    int argc,
+    wchar_t const* const argv,
+    std::function<int(int, char*)> realmain)
+{
+    // argv contains UTF-16-encoded strings with a 16-bit wchar_t.
+    // Convert this to UTF-8-encoded strings for compatibility with
+    // other systems. That way the rest of qpdf.cc can just act like
+    // arguments are UTF-8.
+
+    std::vector<std::unique_ptr<char>> utf8_argv;
+    for (int i = 0; i < argc; ++i) {
+        std::string utf16;
+        for (size_t j = 0; j < std::wcslen(argvi); ++j) {
+            unsigned short codepoint = static_cast<unsigned short>(argvij);
+            utf16.append(1, static_cast<char>(QIntC::to_uchar(codepoint >> 8)));
+            utf16.append(
+                1, static_cast<char>(QIntC::to_uchar(codepoint & 0xff)));
+        }
+        std::string utf8 = QUtil::utf16_to_utf8(utf16);
+        utf8_argv.push_back(QUtil::make_unique_cstr(utf8));
+    }
+    auto utf8_argv_sp = std::make_unique<char*>(1 + utf8_argv.size());
+    char** new_argv = utf8_argv_sp.get();
+    for (size_t i = 0; i < utf8_argv.size(); ++i) {
+        new_argvi = utf8_argv.at(i).get();
+    }
+    argc = QIntC::to_int(utf8_argv.size());
+    new_argvargc = nullptr;
+    return realmain(argc, new_argv);
+}
+
+int
+QUtil::call_main_from_wmain(
+    int argc, wchar_t* argv, std::function<int(int, char*)> realmain)
+{
+    return ::call_main_from_wmain(true, argc, argv, realmain);
+}
+
+int
+QUtil::call_main_from_wmain(
+    int argc,
+    wchar_t const* const argv,
+    std::function<int(int, char const* const)> realmain)
+{
+    return ::call_main_from_wmain(
+        true, argc, argv, realmain(int new_argc, char* new_argv) {
+            return realmain(new_argc, new_argv);
+        });
+}
+
+#endif // QPDF_NO_WCHAR_T
+
+size_t
+QUtil::get_max_memory_usage()
+{
+#if defined(HAVE_MALLOC_INFO) && defined(HAVE_OPEN_MEMSTREAM)
+    static std::regex tag_re("<(/?\\w+)(^>*?)>");
+    static std::regex attr_re("(\\w+)=\"(.*?)\"");
+
+    char* buf;
+    size_t size;
+    FILE* f = open_memstream(&buf, &size);
+    if (f == nullptr) {
+        return 0;
+    }
+    malloc_info(0, f);
+    fclose(f);
+    if (QUtil::get_env("QPDF_DEBUG_MEM_USAGE")) {
+        fprintf(stderr, "%s", buf);
+    }
+
+    // Warning: this code uses regular expression to extract data from
+    // an XML string. This is generally a bad idea, but we're going to
+    // do it anyway because QUtil.hh warns against using this function
+    // for other than development/testing, and if this function fails
+    // to generate reasonable output during performance testing, it
+    // will be noticed.
+
+    // This is my best guess at how to interpret malloc_info. Anyway
+    // it seems to provide useful information for detecting code
+    // changes that drastically change memory usage.
+    size_t result = 0;
+    try {
+        std::cregex_iterator m_begin(buf, buf + size, tag_re);
+        std::cregex_iterator cr_end;
+        std::sregex_iterator sr_end;
+
+        int in_heap = 0;
+        for (auto m = m_begin; m != cr_end; ++m) {
+            std::string tag(m->str(1));
+            if (tag == "heap") {
+                ++in_heap;
+            } else if (tag == "/heap") {
+                --in_heap;
+            } else if (in_heap == 0) {
+                std::string rest = m->str(2);
+                std::map<std::string, std::string> attrs;
+                std::sregex_iterator a_begin(rest.begin(), rest.end(), attr_re);
+                for (auto m2 = a_begin; m2 != sr_end; ++m2) {
+                    attrsm2->str(1) = m2->str(2);
+                }
+                if (tag == "total") {
+                    if (attrs.count("size") > 0) {
+                        result += QIntC::to_size(
+                            QUtil::string_to_ull(attrs"size".c_str()));
+                    }
+                } else if (tag == "system" && attrs"type" == "max") {
+                    result += QIntC::to_size(
+                        QUtil::string_to_ull(attrs"size".c_str()));
+                }
+            }
+        }
+    } catch (...) {
+        // ignore -- just return 0
+    }
+    free(buf);
+    return result;
+#else
+    return 0;
+#endif
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/RC4.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/RC4.cc Changed

@@ -1,55 +1,17 @@
 #include <qpdf/RC4.hh>
 
-#include <string.h>
-
-static void swap_byte(unsigned char &a, unsigned char &b)
-{
-    unsigned char t;
+#include <qpdf/QPDFCryptoProvider.hh>
 
-    t = a;
-    a = b;
-    b = t;
-}
+#include <string.h>
 
-RC4::RC4(unsigned char const* key_data, int key_len)
+RC4::RC4(unsigned char const* key_data, int key_len) :
+    crypto(QPDFCryptoProvider::getImpl())
 {
-    if (key_len == -1)
-    {
-	key_len = strlen(reinterpret_cast<char const*>(key_data));
-    }
-
-    for (int i = 0; i < 256; ++i)
-    {
-        key.statei = i;
-    }
-    key.x = 0;
-    key.y = 0;
-
-    int i1 = 0;
-    int i2 = 0;
-    for (int i = 0; i < 256; ++i)
-    {
-	i2 = (key_datai1 + key.statei + i2) % 256;
-	swap_byte(key.statei, key.statei2);
-	i1 = (i1 + 1) % key_len;
-    }
+    this->crypto->RC4_init(key_data, key_len);
 }
 
 void
-RC4::process(unsigned char *in_data, int len, unsigned char* out_data)
+RC4::process(unsigned char const* in_data, size_t len, unsigned char* out_data)
 {
-    if (out_data == 0)
-    {
-	// Convert in place
-	out_data = in_data;
-    }
-
-    for (int i = 0; i < len; ++i)
-    {
-	key.x = (key.x + 1) % 256;
-	key.y = (key.statekey.x + key.y) % 256;
-	swap_byte(key.statekey.x, key.statekey.y);
-	int xor_index = (key.statekey.x + key.statekey.y) % 256;
-	out_datai = in_datai ^ key.statexor_index;
-    }
+    this->crypto->RC4_process(in_data, len, out_data);
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/RC4_native.cc Added

@@ -0,0 +1,50 @@
+#include <qpdf/RC4_native.hh>
+
+#include <qpdf/QIntC.hh>
+
+#include <string.h>
+
+static void
+swap_byte(unsigned char& a, unsigned char& b)
+{
+    unsigned char t;
+
+    t = a;
+    a = b;
+    b = t;
+}
+
+RC4_native::RC4_native(unsigned char const* key_data, int key_len)
+{
+    if (key_len == -1) {
+        key_len =
+            QIntC::to_int(strlen(reinterpret_cast<char const*>(key_data)));
+    }
+
+    for (int i = 0; i < 256; ++i) {
+        key.statei = static_cast<unsigned char>(i);
+    }
+    key.x = 0;
+    key.y = 0;
+
+    int i1 = 0;
+    int i2 = 0;
+    for (int i = 0; i < 256; ++i) {
+        i2 = (key_datai1 + key.statei + i2) % 256;
+        swap_byte(key.statei, key.statei2);
+        i1 = (i1 + 1) % key_len;
+    }
+}
+
+void
+RC4_native::process(
+    unsigned char const* in_data, size_t len, unsigned char* out_data)
+{
+    for (size_t i = 0; i < len; ++i) {
+        key.x = static_cast<unsigned char>((key.x + 1) % 256);
+        key.y = static_cast<unsigned char>((key.statekey.x + key.y) % 256);
+        swap_byte(key.statekey.x, key.statekey.y);
+        int xor_index = (key.statekey.x + key.statekey.y) % 256;
+        out_datai = in_datai ^ key.statexor_index;
+    }
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/ResourceFinder.cc Added

@@ -0,0 +1,56 @@
+#include <qpdf/ResourceFinder.hh>
+
+ResourceFinder::ResourceFinder() :
+    last_name_offset(0)
+{
+}
+
+void
+ResourceFinder::handleObject(QPDFObjectHandle obj, size_t offset, size_t)
+{
+    if (obj.isOperator() && (!this->last_name.empty())) {
+        static std::map<std::string, std::string> op_to_rtype = {
+            {"CS", "/ColorSpace"},
+            {"cs", "/ColorSpace"},
+            {"gs", "/ExtGState"},
+            {"Tf", "/Font"},
+            {"SCN", "/Pattern"},
+            {"scn", "/Pattern"},
+            {"BDC", "/Properties"},
+            {"DP", "/Properties"},
+            {"sh", "/Shading"},
+            {"Do", "/XObject"},
+        };
+        std::string op = obj.getOperatorValue();
+        std::string resource_type;
+        auto iter = op_to_rtype.find(op);
+        if (iter != op_to_rtype.end()) {
+            resource_type = iter->second;
+        }
+        if (!resource_type.empty()) {
+            this->names.insert(this->last_name);
+            this->names_by_resource_typeresource_typethis->last_name.insert(
+                this->last_name_offset);
+        }
+    } else if (obj.isName()) {
+        this->last_name = obj.getName();
+        this->last_name_offset = offset;
+    }
+}
+
+void
+ResourceFinder::handleEOF()
+{
+}
+
+std::set<std::string> const&
+ResourceFinder::getNames() const
+{
+    return this->names;
+}
+
+std::map<std::string, std::map<std::string, std::set<size_t>>> const&
+ResourceFinder::getNamesByResourceType() const
+{
+    return this->names_by_resource_type;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/SF_FlateLzwDecode.cc Added

@@ -0,0 +1,126 @@
+#include <qpdf/SF_FlateLzwDecode.hh>
+
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_LZWDecoder.hh>
+#include <qpdf/Pl_PNGFilter.hh>
+#include <qpdf/Pl_TIFFPredictor.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QTC.hh>
+
+SF_FlateLzwDecode::SF_FlateLzwDecode(bool lzw) :
+    lzw(lzw),
+    // Initialize values to their defaults as per the PDF spec
+    predictor(1),
+    columns(0),
+    colors(1),
+    bits_per_component(8),
+    early_code_change(true)
+{
+}
+
+bool
+SF_FlateLzwDecode::setDecodeParms(QPDFObjectHandle decode_parms)
+{
+    if (decode_parms.isNull()) {
+        return true;
+    }
+
+    bool filterable = true;
+    std::set<std::string> keys = decode_parms.getKeys();
+    for (auto const& key: keys) {
+        QPDFObjectHandle value = decode_parms.getKey(key);
+        if (key == "/Predictor") {
+            if (value.isInteger()) {
+                this->predictor = value.getIntValueAsInt();
+                if (!((this->predictor == 1) || (this->predictor == 2) ||
+                      ((this->predictor >= 10) && (this->predictor <= 15)))) {
+                    filterable = false;
+                }
+            } else {
+                filterable = false;
+            }
+        } else if (
+            (key == "/Columns") || (key == "/Colors") ||
+            (key == "/BitsPerComponent")) {
+            if (value.isInteger()) {
+                int val = value.getIntValueAsInt();
+                if (key == "/Columns") {
+                    this->columns = val;
+                } else if (key == "/Colors") {
+                    this->colors = val;
+                } else if (key == "/BitsPerComponent") {
+                    this->bits_per_component = val;
+                }
+            } else {
+                filterable = false;
+            }
+        } else if (lzw && (key == "/EarlyChange")) {
+            if (value.isInteger()) {
+                int earlychange = value.getIntValueAsInt();
+                this->early_code_change = (earlychange == 1);
+                if (!((earlychange == 0) || (earlychange == 1))) {
+                    filterable = false;
+                }
+            } else {
+                filterable = false;
+            }
+        }
+    }
+
+    if ((this->predictor > 1) && (this->columns == 0)) {
+        filterable = false;
+    }
+
+    return filterable;
+}
+
+Pipeline*
+SF_FlateLzwDecode::getDecodePipeline(Pipeline* next)
+{
+    std::shared_ptr<Pipeline> pipeline;
+    if ((this->predictor >= 10) && (this->predictor <= 15)) {
+        QTC::TC("qpdf", "SF_FlateLzwDecode PNG filter");
+        pipeline = std::make_shared<Pl_PNGFilter>(
+            "png decode",
+            next,
+            Pl_PNGFilter::a_decode,
+            QIntC::to_uint(this->columns),
+            QIntC::to_uint(this->colors),
+            QIntC::to_uint(this->bits_per_component));
+        this->pipelines.push_back(pipeline);
+        next = pipeline.get();
+    } else if (this->predictor == 2) {
+        QTC::TC("qpdf", "SF_FlateLzwDecode TIFF predictor");
+        pipeline = std::make_shared<Pl_TIFFPredictor>(
+            "tiff decode",
+            next,
+            Pl_TIFFPredictor::a_decode,
+            QIntC::to_uint(this->columns),
+            QIntC::to_uint(this->colors),
+            QIntC::to_uint(this->bits_per_component));
+        this->pipelines.push_back(pipeline);
+        next = pipeline.get();
+    }
+
+    if (lzw) {
+        pipeline = std::make_shared<Pl_LZWDecoder>(
+            "lzw decode", next, early_code_change);
+    } else {
+        pipeline = std::make_shared<Pl_Flate>(
+            "stream inflate", next, Pl_Flate::a_inflate);
+    }
+    this->pipelines.push_back(pipeline);
+    return pipeline.get();
+}
+
+std::shared_ptr<QPDFStreamFilter>
+SF_FlateLzwDecode::flate_factory()
+{
+    return std::make_shared<SF_FlateLzwDecode>(false);
+}
+
+std::shared_ptr<QPDFStreamFilter>
+SF_FlateLzwDecode::lzw_factory()
+{
+    return std::make_shared<SF_FlateLzwDecode>(true);
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/SHA2_native.cc Added

@@ -0,0 +1,92 @@
+#include <qpdf/SHA2_native.hh>
+
+#include <qpdf/QUtil.hh>
+#include <cstdio>
+#include <stdexcept>
+
+SHA2_native::SHA2_native(int bits) :
+    bits(bits)
+{
+    switch (bits) {
+    case 256:
+        sph_sha256_init(&this->ctx256);
+        break;
+    case 384:
+        sph_sha384_init(&this->ctx384);
+        break;
+    case 512:
+        sph_sha512_init(&this->ctx512);
+        break;
+    default:
+        badBits();
+        break;
+    }
+}
+
+void
+SHA2_native::badBits()
+{
+    throw std::logic_error("SHA2_native has bits != 256, 384, or 512");
+}
+
+void
+SHA2_native::update(unsigned char const* buf, size_t len)
+{
+    switch (bits) {
+    case 256:
+        sph_sha256(&this->ctx256, buf, len);
+        break;
+    case 384:
+        sph_sha384(&this->ctx384, buf, len);
+        break;
+    case 512:
+        sph_sha512(&this->ctx512, buf, len);
+        break;
+    default:
+        badBits();
+        break;
+    }
+}
+
+void
+SHA2_native::finalize()
+{
+    switch (bits) {
+    case 256:
+        sph_sha256_close(&this->ctx256, sha256sum);
+        break;
+    case 384:
+        sph_sha384_close(&this->ctx384, sha384sum);
+        break;
+    case 512:
+        sph_sha512_close(&this->ctx512, sha512sum);
+        break;
+    default:
+        badBits();
+        break;
+    }
+}
+
+std::string
+SHA2_native::getRawDigest()
+{
+    std::string result;
+    switch (bits) {
+    case 256:
+        result = std::string(
+            reinterpret_cast<char*>(this->sha256sum), sizeof(this->sha256sum));
+        break;
+    case 384:
+        result = std::string(
+            reinterpret_cast<char*>(this->sha384sum), sizeof(this->sha384sum));
+        break;
+    case 512:
+        result = std::string(
+            reinterpret_cast<char*>(this->sha512sum), sizeof(this->sha512sum));
+        break;
+    default:
+        badBits();
+        break;
+    }
+    return result;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/SecureRandomDataProvider.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/SecureRandomDataProvider.cc Changed

@@ -1,30 +1,24 @@
 #include <qpdf/SecureRandomDataProvider.hh>
 
-#include <qpdf/qpdf-config.h>
 #include <qpdf/QUtil.hh>
+#include <qpdf/qpdf-config.h>
 #ifdef _WIN32
-# include <windows.h>
+# define WIN32_LEAN_AND_MEAN
 # include <direct.h>
 # include <io.h>
+# include <windows.h>
 # ifndef SKIP_OS_SECURE_RANDOM
 #  include <wincrypt.h>
 # endif
 #endif
 
-SecureRandomDataProvider::SecureRandomDataProvider()
-{
-}
-
-SecureRandomDataProvider::~SecureRandomDataProvider()
-{
-}
-
 #ifdef SKIP_OS_SECURE_RANDOM
 
 void
 SecureRandomDataProvider::provideRandomData(unsigned char* data, size_t len)
 {
-    throw std::logic_error("SecureRandomDataProvider::provideRandomData called when support was not compiled in");
+    throw std::logic_error("SecureRandomDataProvider::provideRandomData called "
+                           "when support was not compiled in");
 }
 
 RandomDataProvider*
@@ -35,71 +29,74 @@
 
 #else
 
-#ifdef _WIN32
+# ifdef _WIN32
 
-class WindowsCryptProvider
+namespace
 {
-  public:
-    WindowsCryptProvider()
+    class WindowsCryptProvider
     {
-        if (!CryptAcquireContext(&crypt_prov,
-                                 "Container",
-                                 NULL,
-                                 PROV_RSA_FULL,
-                                 0))
+      public:
+        WindowsCryptProvider()
         {
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#           pragma GCC diagnostic push
-#           pragma GCC diagnostic ignored "-Wold-style-cast"
-#           pragma GCC diagnostic ignored "-Wsign-compare"
-#endif
-            if (GetLastError() == NTE_BAD_KEYSET)
-#if ((defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) || \
-     defined(__clang__))
-#           pragma GCC diagnostic pop
-#endif
-            {
-                if (! CryptAcquireContext(&crypt_prov,
-                                         "Container",
-                                         NULL,
-                                         PROV_RSA_FULL,
-                                         CRYPT_NEWKEYSET))
-                {
-                    throw std::runtime_error(
-                        "unable to acquire crypt context with new keyset");
-                }
-            }
-            else
-            {
-                throw std::runtime_error("unable to acquire crypt context");
+            if (!CryptAcquireContextW(
+                    &crypt_prov,
+                    NULL,
+                    NULL,
+                    PROV_RSA_FULL,
+                    CRYPT_VERIFYCONTEXT)) {
+                throw std::runtime_error(
+                    "unable to acquire crypt context: " + getErrorMessage());
             }
         }
-    }
-    ~WindowsCryptProvider()
-    {
-        // Ignore error
-        CryptReleaseContext(crypt_prov, 0);
-    }
+        ~WindowsCryptProvider()
+        {
+            // Ignore error
+            CryptReleaseContext(crypt_prov, 0);
+        }
 
-    HCRYPTPROV crypt_prov;
-};
-#endif
+        HCRYPTPROV crypt_prov;
+
+      private:
+        std::string
+        getErrorMessage()
+        {
+            DWORD errorMessageID = ::GetLastError();
+            LPSTR messageBuffer = nullptr;
+            size_t size = FormatMessageA(
+                FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
+                    FORMAT_MESSAGE_IGNORE_INSERTS,
+                NULL,
+                errorMessageID,
+                MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                reinterpret_cast<LPSTR>(&messageBuffer),
+                0,
+                NULL);
+            std::string message(messageBuffer, size);
+            LocalFree(messageBuffer);
+            return (
+                "error number " +
+                QUtil::int_to_string_base(errorMessageID, 16) + ": " + message);
+        }
+    };
+} // namespace
+# endif
 
 void
 SecureRandomDataProvider::provideRandomData(unsigned char* data, size_t len)
 {
-#if defined(_WIN32)
+# if defined(_WIN32)
 
     // Optimization: make the WindowsCryptProvider static as long as
     // it can be done in a thread-safe fashion.
     WindowsCryptProvider c;
-    if (! CryptGenRandom(c.crypt_prov, len, reinterpret_cast<BYTE*>(data)))
-    {
+    if (!CryptGenRandom(
+            c.crypt_prov,
+            static_cast<DWORD>(len),
+            reinterpret_cast<BYTE*>(data))) {
         throw std::runtime_error("unable to generate secure random data");
     }
 
-#elif defined(RANDOM_DEVICE)
+# elif defined(RANDOM_DEVICE)
 
     // Optimization: wrap the file open and close in a class so that
     // the file is closed in a destructor, then make this static to
@@ -108,19 +105,18 @@
     FILE* f = QUtil::safe_fopen(RANDOM_DEVICE, "rb");
     size_t fr = fread(data, 1, len, f);
     fclose(f);
-    if (fr != len)
-    {
+    if (fr != len) {
         throw std::runtime_error(
-            "unable to read " +
-            QUtil::int_to_string(len) +
-            " bytes from " + std::string(RANDOM_DEVICE));
+            "unable to read " + QUtil::uint_to_string(len) + " bytes from " +
+            std::string(RANDOM_DEVICE));
     }
 
-#else
+# else
 
-#  error "Don't know how to generate secure random numbers on this platform.  See random number generation in the top-level README.md"
+#  error \
+      "Don't know how to generate secure random numbers on this platform.  See random number generation in the top-level README.md"
 
-#endif
+# endif
 }
 
 RandomDataProvider*

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/SparseOHArray.cc Added

@@ -0,0 +1,123 @@
+#include <qpdf/SparseOHArray.hh>
+
+#include <stdexcept>
+
+SparseOHArray::SparseOHArray() :
+    n_elements(0)
+{
+}
+
+size_t
+SparseOHArray::size() const
+{
+    return this->n_elements;
+}
+
+void
+SparseOHArray::append(QPDFObjectHandle oh)
+{
+    if (!oh.isDirectNull()) {
+        this->elementsthis->n_elements = oh;
+    }
+    ++this->n_elements;
+}
+
+QPDFObjectHandle
+SparseOHArray::at(size_t idx) const
+{
+    if (idx >= this->n_elements) {
+        throw std::logic_error(
+            "INTERNAL ERROR: bounds error accessing SparseOHArray element");
+    }
+    auto const& iter = this->elements.find(idx);
+    if (iter == this->elements.end()) {
+        return QPDFObjectHandle::newNull();
+    } else {
+        return (*iter).second;
+    }
+}
+
+void
+SparseOHArray::remove_last()
+{
+    if (this->n_elements == 0) {
+        throw std::logic_error("INTERNAL ERROR: attempt to remove"
+                               " last item from empty SparseOHArray");
+    }
+    --this->n_elements;
+    this->elements.erase(this->n_elements);
+}
+
+void
+SparseOHArray::disconnect()
+{
+    for (auto& iter: this->elements) {
+        QPDFObjectHandle::DisconnectAccess::disconnect(iter.second);
+    }
+}
+
+void
+SparseOHArray::setAt(size_t idx, QPDFObjectHandle oh)
+{
+    if (idx >= this->n_elements) {
+        throw std::logic_error("bounds error setting item in SparseOHArray");
+    }
+    if (oh.isDirectNull()) {
+        this->elements.erase(idx);
+    } else {
+        this->elementsidx = oh;
+    }
+}
+
+void
+SparseOHArray::erase(size_t idx)
+{
+    if (idx >= this->n_elements) {
+        throw std::logic_error("bounds error erasing item from SparseOHArray");
+    }
+    decltype(this->elements) dest;
+    for (auto const& iter: this->elements) {
+        if (iter.first < idx) {
+            dest.insert(iter);
+        } else if (iter.first > idx) {
+            destiter.first - 1 = iter.second;
+        }
+    }
+    this->elements = dest;
+    --this->n_elements;
+}
+
+void
+SparseOHArray::insert(size_t idx, QPDFObjectHandle oh)
+{
+    if (idx > this->n_elements) {
+        throw std::logic_error("bounds error inserting item to SparseOHArray");
+    } else if (idx == this->n_elements) {
+        // Allow inserting to the last position
+        append(oh);
+    } else {
+        decltype(this->elements) dest;
+        for (auto const& iter: this->elements) {
+            if (iter.first < idx) {
+                dest.insert(iter);
+            } else {
+                destiter.first + 1 = iter.second;
+            }
+        }
+        this->elements = dest;
+        this->elementsidx = oh;
+        ++this->n_elements;
+    }
+}
+
+SparseOHArray::const_iterator
+SparseOHArray::begin() const
+{
+    return this->elements.begin();
+}
+
+SparseOHArray::const_iterator
+SparseOHArray::end() const
+{
+    return this->elements.end();
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf-c.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf-c.cc Changed

@@ -1,89 +1,110 @@
 #include <qpdf/qpdf-c.h>
 
 #include <qpdf/QPDF.hh>
+
+#include <qpdf/BufferInputSource.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_Function.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QPDFLogger.hh>
 #include <qpdf/QPDFWriter.hh>
 #include <qpdf/QTC.hh>
-#include <qpdf/QPDFExc.hh>
-#include <qpdf/Pl_Discard.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/qpdflogger-c_impl.hh>
 
+#include <cstring>
+#include <functional>
 #include <list>
-#include <string>
 #include <stdexcept>
-#include <cstring>
+#include <string>
 
 struct _qpdf_error
 {
-    PointerHolder<QPDFExc> exc;
+    std::shared_ptr<QPDFExc> exc;
 };
 
 struct _qpdf_data
 {
     _qpdf_data();
-    ~_qpdf_data();
+    ~_qpdf_data() = default;
 
-    QPDF* qpdf;
-    QPDFWriter* qpdf_writer;
+    std::shared_ptr<QPDF> qpdf;
+    std::shared_ptr<QPDFWriter> qpdf_writer;
 
-    PointerHolder<QPDFExc> error;
+    std::shared_ptr<QPDFExc> error;
     _qpdf_error tmp_error;
     std::list<QPDFExc> warnings;
     std::string tmp_string;
 
     // Parameters for functions we call
-    char const* filename;	// or description
+    char const* filename; // or description
     char const* buffer;
     unsigned long long size;
     char const* password;
     bool write_memory;
-    Buffer* output_buffer;
+    std::shared_ptr<Buffer> output_buffer;
+
+    // QPDFObjectHandle support
+    bool silence_errors;
+    bool oh_error_occurred;
+    std::map<qpdf_oh, std::shared_ptr<QPDFObjectHandle>> oh_cache;
+    qpdf_oh next_oh;
+    std::set<std::string> cur_iter_dict_keys;
+    std::set<std::string>::const_iterator dict_iter;
+    std::string cur_dict_key;
 };
 
 _qpdf_data::_qpdf_data() :
-    qpdf(0),
-    qpdf_writer(0),
     write_memory(false),
-    output_buffer(0)
-{
-}
-
-_qpdf_data::~_qpdf_data()
+    silence_errors(false),
+    oh_error_occurred(false),
+    next_oh(0)
 {
-    delete qpdf_writer;
-    delete qpdf;
-    delete output_buffer;
 }
 
 // must set qpdf->filename and qpdf->password
-static void call_read(qpdf_data qpdf)
+static void
+call_read(qpdf_data qpdf)
 {
     qpdf->qpdf->processFile(qpdf->filename, qpdf->password);
 }
 
 // must set qpdf->filename, qpdf->buffer, qpdf->size, and qpdf->password
-static void call_read_memory(qpdf_data qpdf)
+static void
+call_read_memory(qpdf_data qpdf)
 {
-    qpdf->qpdf->processMemoryFile(qpdf->filename, qpdf->buffer,
-				  qpdf->size, qpdf->password);
+    qpdf->qpdf->processMemoryFile(
+        qpdf->filename,
+        qpdf->buffer,
+        QIntC::to_size(qpdf->size),
+        qpdf->password);
 }
 
 // must set qpdf->filename
-static void call_init_write(qpdf_data qpdf)
+static void
+call_init_write(qpdf_data qpdf)
 {
-    qpdf->qpdf_writer = new QPDFWriter(*(qpdf->qpdf), qpdf->filename);
+    qpdf->qpdf_writer =
+        std::make_shared<QPDFWriter>(*(qpdf->qpdf), qpdf->filename);
 }
 
-static void call_init_write_memory(qpdf_data qpdf)
+static void
+call_init_write_memory(qpdf_data qpdf)
 {
-    qpdf->qpdf_writer = new QPDFWriter(*(qpdf->qpdf));
+    qpdf->qpdf_writer = std::make_shared<QPDFWriter>(*(qpdf->qpdf));
     qpdf->qpdf_writer->setOutputMemory();
 }
 
-static void call_write(qpdf_data qpdf)
+static void
+call_write(qpdf_data qpdf)
 {
     qpdf->qpdf_writer->write();
 }
 
-static void call_check(qpdf_data qpdf)
+static void
+call_check(qpdf_data qpdf)
 {
     QPDFWriter w(*qpdf->qpdf);
     Pl_Discard discard;
@@ -92,187 +113,208 @@
     w.write();
 }
 
-static QPDF_ERROR_CODE trap_errors(qpdf_data qpdf, void (*fn)(qpdf_data))
+static QPDF_ERROR_CODE
+trap_errors(qpdf_data qpdf, std::function<void(qpdf_data)> fn)
 {
     QPDF_ERROR_CODE status = QPDF_SUCCESS;
-    try
-    {
-	fn(qpdf);
-    }
-    catch (QPDFExc& e)
-    {
-	qpdf->error = new QPDFExc(e);
-	status |= QPDF_ERRORS;
-    }
-    catch (std::runtime_error& e)
-    {
-	qpdf->error = new QPDFExc(qpdf_e_system, "", "", 0, e.what());
-	status |= QPDF_ERRORS;
-    }
-    catch (std::exception& e)
-    {
-	qpdf->error = new QPDFExc(qpdf_e_internal, "", "", 0, e.what());
-	status |= QPDF_ERRORS;
+    try {
+        fn(qpdf);
+    } catch (QPDFExc& e) {
+        qpdf->error = std::make_shared<QPDFExc>(e);
+        status |= QPDF_ERRORS;
+    } catch (std::runtime_error& e) {
+        qpdf->error =
+            std::make_shared<QPDFExc>(qpdf_e_system, "", "", 0, e.what());
+        status |= QPDF_ERRORS;
+    } catch (std::exception& e) {
+        qpdf->error =
+            std::make_shared<QPDFExc>(qpdf_e_internal, "", "", 0, e.what());
+        status |= QPDF_ERRORS;
     }
 
-    if (qpdf_more_warnings(qpdf))
-    {
-	status |= QPDF_WARNINGS;
+    if (qpdf_more_warnings(qpdf)) {
+        status |= QPDF_WARNINGS;
     }
     return status;
 }
 
-char const* qpdf_get_qpdf_version()
+char const*
+qpdf_get_qpdf_version()
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_get_qpdf_version");
+    // The API guarantees that this is a static value.
     return QPDF::QPDFVersion().c_str();
 }
 
-qpdf_data qpdf_init()
+qpdf_data
+qpdf_init()
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_init");
     qpdf_data qpdf = new _qpdf_data();
-    qpdf->qpdf = new QPDF();
+    qpdf->qpdf = QPDF::create();
     return qpdf;
 }
 
-void qpdf_cleanup(qpdf_data* qpdf)
+void
+qpdf_cleanup(qpdf_data* qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_cleanup");
+    qpdf_oh_release_all(*qpdf);
+    if ((*qpdf)->error.get()) {
+        QTC::TC("qpdf", "qpdf-c cleanup warned about unhandled error");
+        *QPDFLogger::defaultLogger()->getWarn()
+            << "WARNING: application did not handle error: "
+            << (*qpdf)->error->what() << "\n";
+    }
     delete *qpdf;
-    *qpdf = 0;
+    *qpdf = nullptr;
+}
+
+size_t
+qpdf_get_last_string_length(qpdf_data qpdf)
+{
+    return qpdf->tmp_string.length();
 }
 
-QPDF_BOOL qpdf_more_warnings(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_more_warnings(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_more_warnings");
 
-    if (qpdf->warnings.empty())
-    {
-	std::vector<QPDFExc> w = qpdf->qpdf->getWarnings();
-	if (! w.empty())
-	{
-	    qpdf->warnings.assign(w.begin(), w.end());
-	}
-    }
-    if (qpdf->warnings.empty())
-    {
-	return QPDF_FALSE;
+    if (qpdf->warnings.empty()) {
+        std::vector<QPDFExc> w = qpdf->qpdf->getWarnings();
+        if (!w.empty()) {
+            qpdf->warnings.assign(w.begin(), w.end());
+        }
     }
-    else
-    {
-	return QPDF_TRUE;
+    if (qpdf->warnings.empty()) {
+        return QPDF_FALSE;
+    } else {
+        return QPDF_TRUE;
     }
 }
 
-QPDF_BOOL qpdf_has_error(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_has_error(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_has_error");
-    return (qpdf->error.getPointer() ? QPDF_TRUE : QPDF_FALSE);
+    return (qpdf->error.get() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-qpdf_error qpdf_get_error(qpdf_data qpdf)
+qpdf_error
+qpdf_get_error(qpdf_data qpdf)
 {
-    if (qpdf->error.getPointer())
-    {
-	qpdf->tmp_error.exc = qpdf->error;
-	qpdf->error = 0;
-	QTC::TC("qpdf", "qpdf-c qpdf_get_error returned error");
-	return &qpdf->tmp_error;
-    }
-    else
-    {
-	return 0;
+    if (qpdf->error.get()) {
+        qpdf->tmp_error.exc = qpdf->error;
+        qpdf->error = nullptr;
+        QTC::TC("qpdf", "qpdf-c qpdf_get_error returned error");
+        return &qpdf->tmp_error;
+    } else {
+        return nullptr;
     }
 }
 
-qpdf_error qpdf_next_warning(qpdf_data qpdf)
+qpdf_error
+qpdf_next_warning(qpdf_data qpdf)
 {
-    if (qpdf_more_warnings(qpdf))
-    {
-	qpdf->tmp_error.exc = new QPDFExc(qpdf->warnings.front());
-	qpdf->warnings.pop_front();
-	QTC::TC("qpdf", "qpdf-c qpdf_next_warning returned warning");
-	return &qpdf->tmp_error;
-    }
-    else
-    {
-	return 0;
+    if (qpdf_more_warnings(qpdf)) {
+        qpdf->tmp_error.exc = std::make_shared<QPDFExc>(qpdf->warnings.front());
+        qpdf->warnings.pop_front();
+        QTC::TC("qpdf", "qpdf-c qpdf_next_warning returned warning");
+        return &qpdf->tmp_error;
+    } else {
+        return nullptr;
     }
 }
 
-char const* qpdf_get_error_full_text(qpdf_data qpdf, qpdf_error e)
+char const*
+qpdf_get_error_full_text(qpdf_data qpdf, qpdf_error e)
 {
-    if (e == 0)
-    {
-	return "";
+    if (e == nullptr) {
+        return "";
     }
     return e->exc->what();
 }
 
-enum qpdf_error_code_e qpdf_get_error_code(qpdf_data qpdf, qpdf_error e)
+enum qpdf_error_code_e
+qpdf_get_error_code(qpdf_data qpdf, qpdf_error e)
 {
-    if (e == 0)
-    {
-	return qpdf_e_success;
+    if (e == nullptr) {
+        return qpdf_e_success;
     }
     return e->exc->getErrorCode();
 }
 
-char const* qpdf_get_error_filename(qpdf_data qpdf, qpdf_error e)
+char const*
+qpdf_get_error_filename(qpdf_data qpdf, qpdf_error e)
 {
-    if (e == 0)
-    {
-	return "";
+    if (e == nullptr) {
+        return "";
     }
     return e->exc->getFilename().c_str();
 }
 
-unsigned long long qpdf_get_error_file_position(qpdf_data qpdf, qpdf_error e)
+unsigned long long
+qpdf_get_error_file_position(qpdf_data qpdf, qpdf_error e)
 {
-    if (e == 0)
-    {
-	return 0;
+    if (e == nullptr) {
+        return 0;
     }
-    return e->exc->getFilePosition();
+    return QIntC::to_ulonglong(e->exc->getFilePosition());
 }
 
-char const* qpdf_get_error_message_detail(qpdf_data qpdf, qpdf_error e)
+char const*
+qpdf_get_error_message_detail(qpdf_data qpdf, qpdf_error e)
 {
-    if (e == 0)
-    {
-	return "";
+    if (e == nullptr) {
+        return "";
     }
     return e->exc->getMessageDetail().c_str();
 }
 
-QPDF_ERROR_CODE qpdf_check_pdf(qpdf_data qpdf)
+QPDF_ERROR_CODE
+qpdf_check_pdf(qpdf_data qpdf)
 {
     QPDF_ERROR_CODE status = trap_errors(qpdf, &call_check);
     QTC::TC("qpdf", "qpdf-c called qpdf_check_pdf");
     return status;
 }
 
-void qpdf_set_suppress_warnings(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_logger(qpdf_data qpdf, qpdflogger_handle logger)
+{
+    qpdf->qpdf->setLogger(logger->l);
+}
+
+qpdflogger_handle
+qpdf_get_logger(qpdf_data qpdf)
+{
+    return new _qpdflogger_handle(qpdf->qpdf->getLogger());
+}
+
+void
+qpdf_set_suppress_warnings(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_suppress_warnings");
-    qpdf->qpdf->setSuppressWarnings(value);
+    qpdf->qpdf->setSuppressWarnings(value != QPDF_FALSE);
 }
 
-void qpdf_set_ignore_xref_streams(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_ignore_xref_streams(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_ignore_xref_streams");
-    qpdf->qpdf->setIgnoreXRefStreams(value);
+    qpdf->qpdf->setIgnoreXRefStreams(value != QPDF_FALSE);
 }
 
-void qpdf_set_attempt_recovery(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_attempt_recovery(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_attempt_recovery");
-    qpdf->qpdf->setAttemptRecovery(value);
+    qpdf->qpdf->setAttemptRecovery(value != QPDF_FALSE);
 }
 
-QPDF_ERROR_CODE qpdf_read(qpdf_data qpdf, char const* filename,
-			  char const* password)
+QPDF_ERROR_CODE
+qpdf_read(qpdf_data qpdf, char const* filename, char const* password)
 {
     QPDF_ERROR_CODE status = QPDF_SUCCESS;
     qpdf->filename = filename;
@@ -281,20 +323,23 @@
     // We no longer have a good way to exercise a file with both
     // warnings and errors because qpdf is getting much better at
     // recovering.
-    QTC::TC("qpdf", "qpdf-c called qpdf_read",
-            (status == 0) ? 0
+    QTC::TC(
+        "qpdf",
+        "qpdf-c called qpdf_read",
+        (status == 0)                  ? 0
             : (status & QPDF_WARNINGS) ? 1
-            : (status & QPDF_ERRORS) ? 2 :
-            -1
-        );
+            : (status & QPDF_ERRORS)   ? 2
+                                       : -1);
     return status;
 }
 
-QPDF_ERROR_CODE qpdf_read_memory(qpdf_data qpdf,
-				 char const* description,
-				 char const* buffer,
-				 unsigned long long size,
-				 char const* password)
+QPDF_ERROR_CODE
+qpdf_read_memory(
+    qpdf_data qpdf,
+    char const* description,
+    char const* buffer,
+    unsigned long long size,
+    char const* password)
 {
     QPDF_ERROR_CODE status = QPDF_SUCCESS;
     qpdf->filename = description;
@@ -306,166 +351,179 @@
     return status;
 }
 
-char const* qpdf_get_pdf_version(qpdf_data qpdf)
+QPDF_ERROR_CODE
+qpdf_empty_pdf(qpdf_data qpdf)
+{
+    qpdf->filename = "empty PDF";
+    qpdf->qpdf->emptyPDF();
+    QTC::TC("qpdf", "qpdf-c called qpdf_empty_pdf");
+    return QPDF_SUCCESS;
+}
+
+char const*
+qpdf_get_pdf_version(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_get_pdf_version");
     qpdf->tmp_string = qpdf->qpdf->getPDFVersion();
     return qpdf->tmp_string.c_str();
 }
 
-int qpdf_get_pdf_extension_level(qpdf_data qpdf)
+int
+qpdf_get_pdf_extension_level(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_get_pdf_extension_level");
     return qpdf->qpdf->getExtensionLevel();
 }
 
-char const* qpdf_get_user_password(qpdf_data qpdf)
+char const*
+qpdf_get_user_password(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_get_user_password");
     qpdf->tmp_string = qpdf->qpdf->getTrimmedUserPassword();
     return qpdf->tmp_string.c_str();
 }
 
-char const* qpdf_get_info_key(qpdf_data qpdf, char const* key)
+char const*
+qpdf_get_info_key(qpdf_data qpdf, char const* key)
 {
-    char const* result = 0;
+    char const* result = nullptr;
     QPDFObjectHandle trailer = qpdf->qpdf->getTrailer();
-    if (trailer.hasKey("/Info"))
-    {
-	QPDFObjectHandle info = trailer.getKey("/Info");
-	if (info.hasKey(key))
-	{
-	    QPDFObjectHandle value = info.getKey(key);
-	    if (value.isString())
-	    {
-		qpdf->tmp_string = value.getStringValue();
-		result = qpdf->tmp_string.c_str();
-	    }
-	}
+    if (trailer.hasKey("/Info")) {
+        QPDFObjectHandle info = trailer.getKey("/Info");
+        if (info.hasKey(key)) {
+            QPDFObjectHandle value = info.getKey(key);
+            if (value.isString()) {
+                qpdf->tmp_string = value.getStringValue();
+                result = qpdf->tmp_string.c_str();
+            }
+        }
     }
-    QTC::TC("qpdf", "qpdf-c get_info_key", (result == 0 ? 0 : 1));
+    QTC::TC("qpdf", "qpdf-c get_info_key", (result == nullptr ? 0 : 1));
     return result;
 }
 
-void qpdf_set_info_key(qpdf_data qpdf, char const* key, char const* value)
+void
+qpdf_set_info_key(qpdf_data qpdf, char const* key, char const* value)
 {
-    if ((key == 0) || (std::strlen(key) == 0) || (key0 != '/'))
-    {
-	return;
+    if ((key == nullptr) || (std::strlen(key) == 0) || (key0 != '/')) {
+        return;
     }
     QPDFObjectHandle value_object;
-    if (value)
-    {
-	QTC::TC("qpdf", "qpdf-c set_info_key to value");
-	value_object = QPDFObjectHandle::newString(value);
-    }
-    else
-    {
-	QTC::TC("qpdf", "qpdf-c set_info_key to null");
-	value_object = QPDFObjectHandle::newNull();
+    if (value) {
+        QTC::TC("qpdf", "qpdf-c set_info_key to value");
+        value_object = QPDFObjectHandle::newString(value);
+    } else {
+        QTC::TC("qpdf", "qpdf-c set_info_key to null");
+        value_object = QPDFObjectHandle::newNull();
     }
 
     QPDFObjectHandle trailer = qpdf->qpdf->getTrailer();
-    if (! trailer.hasKey("/Info"))
-    {
-	QTC::TC("qpdf", "qpdf-c add info to trailer");
-	trailer.replaceKey(
-	    "/Info",
-	    qpdf->qpdf->makeIndirectObject(QPDFObjectHandle::newDictionary()));
-    }
-    else
-    {
-	QTC::TC("qpdf", "qpdf-c set-info-key use existing info");
+    if (!trailer.hasKey("/Info")) {
+        QTC::TC("qpdf", "qpdf-c add info to trailer");
+        trailer.replaceKey(
+            "/Info",
+            qpdf->qpdf->makeIndirectObject(QPDFObjectHandle::newDictionary()));
+    } else {
+        QTC::TC("qpdf", "qpdf-c set-info-key use existing info");
     }
 
     QPDFObjectHandle info = trailer.getKey("/Info");
-    info.replaceOrRemoveKey(key, value_object);
+    info.replaceKey(key, value_object);
 }
 
-QPDF_BOOL qpdf_is_linearized(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_is_linearized(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_is_linearized");
     return (qpdf->qpdf->isLinearized() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_is_encrypted(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_is_encrypted(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_is_encrypted");
     return (qpdf->qpdf->isEncrypted() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_accessibility(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_accessibility(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_accessibility");
-    return qpdf->qpdf->allowAccessibility();
+    return (qpdf->qpdf->allowAccessibility() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_extract_all(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_extract_all(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_extract_all");
-    return qpdf->qpdf->allowExtractAll();
+    return (qpdf->qpdf->allowExtractAll() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_print_low_res(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_print_low_res(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_print_low_res");
-    return qpdf->qpdf->allowPrintLowRes();
+    return (qpdf->qpdf->allowPrintLowRes() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_print_high_res(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_print_high_res(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_print_high_res");
-    return qpdf->qpdf->allowPrintHighRes();
+    return (qpdf->qpdf->allowPrintHighRes() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_modify_assembly(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_modify_assembly(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_modify_assembly");
-    return qpdf->qpdf->allowModifyAssembly();
+    return (qpdf->qpdf->allowModifyAssembly() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_modify_form(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_modify_form(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_modify_form");
-    return qpdf->qpdf->allowModifyForm();
+    return (qpdf->qpdf->allowModifyForm() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_modify_annotation(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_modify_annotation(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_modify_annotation");
-    return qpdf->qpdf->allowModifyAnnotation();
+    return (qpdf->qpdf->allowModifyAnnotation() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_modify_other(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_modify_other(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_modify_other");
-    return qpdf->qpdf->allowModifyOther();
+    return (qpdf->qpdf->allowModifyOther() ? QPDF_TRUE : QPDF_FALSE);
 }
 
-QPDF_BOOL qpdf_allow_modify_all(qpdf_data qpdf)
+QPDF_BOOL
+qpdf_allow_modify_all(qpdf_data qpdf)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_allow_modify_all");
-    return qpdf->qpdf->allowModifyAll();
-}
-
-static void qpdf_init_write_internal(qpdf_data qpdf)
-{
-    if (qpdf->qpdf_writer)
-    {
-	QTC::TC("qpdf", "qpdf-c called qpdf_init_write multiple times");
-	delete qpdf->qpdf_writer;
-	qpdf->qpdf_writer = 0;
-	if (qpdf->output_buffer)
-	{
-	    delete qpdf->output_buffer;
-	    qpdf->output_buffer = 0;
-	    qpdf->write_memory = false;
-	    qpdf->filename = 0;
-	}
+    return (qpdf->qpdf->allowModifyAll() ? QPDF_TRUE : QPDF_FALSE);
+}
+
+static void
+qpdf_init_write_internal(qpdf_data qpdf)
+{
+    if (qpdf->qpdf_writer.get()) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_init_write multiple times");
+        qpdf->qpdf_writer = nullptr;
+        if (qpdf->output_buffer.get()) {
+            qpdf->output_buffer = nullptr;
+            qpdf->write_memory = false;
+            qpdf->filename = nullptr;
+        }
     }
 }
 
-QPDF_ERROR_CODE qpdf_init_write(qpdf_data qpdf, char const* filename)
+QPDF_ERROR_CODE
+qpdf_init_write(qpdf_data qpdf, char const* filename)
 {
     qpdf_init_write_internal(qpdf);
     qpdf->filename = filename;
@@ -474,7 +532,8 @@
     return status;
 }
 
-QPDF_ERROR_CODE qpdf_init_write_memory(qpdf_data qpdf)
+QPDF_ERROR_CODE
+qpdf_init_write_memory(qpdf_data qpdf)
 {
     qpdf_init_write_internal(qpdf);
     QPDF_ERROR_CODE status = trap_errors(qpdf, &call_init_write_memory);
@@ -483,272 +542,1591 @@
     return status;
 }
 
-static void qpdf_get_buffer_internal(qpdf_data qpdf)
+static void
+qpdf_get_buffer_internal(qpdf_data qpdf)
 {
-    if (qpdf->write_memory && (qpdf->output_buffer == 0))
-    {
-	qpdf->output_buffer = qpdf->qpdf_writer->getBuffer();
+    if (qpdf->write_memory && (qpdf->output_buffer == nullptr)) {
+        qpdf->output_buffer = qpdf->qpdf_writer->getBufferSharedPointer();
     }
 }
 
-size_t qpdf_get_buffer_length(qpdf_data qpdf)
+size_t
+qpdf_get_buffer_length(qpdf_data qpdf)
 {
     qpdf_get_buffer_internal(qpdf);
     size_t result = 0;
-    if (qpdf->output_buffer)
-    {
-	result = qpdf->output_buffer->getSize();
+    if (qpdf->output_buffer.get()) {
+        result = qpdf->output_buffer->getSize();
     }
     return result;
 }
 
-unsigned char const* qpdf_get_buffer(qpdf_data qpdf)
+unsigned char const*
+qpdf_get_buffer(qpdf_data qpdf)
 {
-    unsigned char const* result = 0;
+    unsigned char const* result = nullptr;
     qpdf_get_buffer_internal(qpdf);
-    if (qpdf->output_buffer)
-    {
-	result = qpdf->output_buffer->getBuffer();
+    if (qpdf->output_buffer.get()) {
+        result = qpdf->output_buffer->getBuffer();
     }
     return result;
 }
 
-void qpdf_set_object_stream_mode(qpdf_data qpdf, qpdf_object_stream_e mode)
+void
+qpdf_set_object_stream_mode(qpdf_data qpdf, qpdf_object_stream_e mode)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_object_stream_mode");
     qpdf->qpdf_writer->setObjectStreamMode(mode);
 }
 
-void qpdf_set_compress_streams(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_compress_streams(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_compress_streams");
-    qpdf->qpdf_writer->setCompressStreams(value);
+    qpdf->qpdf_writer->setCompressStreams(value != QPDF_FALSE);
 }
 
-void qpdf_set_decode_level(qpdf_data qpdf, qpdf_stream_decode_level_e level)
+void
+qpdf_set_decode_level(qpdf_data qpdf, qpdf_stream_decode_level_e level)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_decode_level");
     qpdf->qpdf_writer->setDecodeLevel(level);
 }
 
-void qpdf_set_preserve_unreferenced_objects(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_preserve_unreferenced_objects(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_preserve_unreferenced_objects");
-    qpdf->qpdf_writer->setPreserveUnreferencedObjects(value);
+    qpdf->qpdf_writer->setPreserveUnreferencedObjects(value != QPDF_FALSE);
 }
 
-void qpdf_set_newline_before_endstream(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_newline_before_endstream(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_newline_before_endstream");
-    qpdf->qpdf_writer->setNewlineBeforeEndstream(value);
+    qpdf->qpdf_writer->setNewlineBeforeEndstream(value != QPDF_FALSE);
 }
 
-void qpdf_set_stream_data_mode(qpdf_data qpdf, qpdf_stream_data_e mode)
+void
+qpdf_set_stream_data_mode(qpdf_data qpdf, qpdf_stream_data_e mode)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_stream_data_mode");
     qpdf->qpdf_writer->setStreamDataMode(mode);
 }
 
-void qpdf_set_content_normalization(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_content_normalization(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_content_normalization");
-    qpdf->qpdf_writer->setContentNormalization(value);
+    qpdf->qpdf_writer->setContentNormalization(value != QPDF_FALSE);
 }
 
-void qpdf_set_qdf_mode(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_qdf_mode(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_qdf_mode");
-    qpdf->qpdf_writer->setQDFMode(value);
+    qpdf->qpdf_writer->setQDFMode(value != QPDF_FALSE);
 }
 
-void qpdf_set_deterministic_ID(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_deterministic_ID(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_deterministic_ID");
-    qpdf->qpdf_writer->setDeterministicID(value);
+    qpdf->qpdf_writer->setDeterministicID(value != QPDF_FALSE);
 }
 
-void qpdf_set_static_ID(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_static_ID(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_static_ID");
-    qpdf->qpdf_writer->setStaticID(value);
+    qpdf->qpdf_writer->setStaticID(value != QPDF_FALSE);
 }
 
-void qpdf_set_static_aes_IV(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_static_aes_IV(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_static_aes_IV");
-    qpdf->qpdf_writer->setStaticAesIV(value);
+    qpdf->qpdf_writer->setStaticAesIV(value != QPDF_FALSE);
 }
 
-void qpdf_set_suppress_original_object_IDs(
-    qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_suppress_original_object_IDs(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_suppress_original_object_IDs");
-    qpdf->qpdf_writer->setSuppressOriginalObjectIDs(value);
+    qpdf->qpdf_writer->setSuppressOriginalObjectIDs(value != QPDF_FALSE);
 }
 
-void qpdf_set_preserve_encryption(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_set_preserve_encryption(qpdf_data qpdf, QPDF_BOOL value)
 {
     QTC::TC("qpdf", "qpdf-c called qpdf_set_preserve_encryption");
-    qpdf->qpdf_writer->setPreserveEncryption(value);
+    qpdf->qpdf_writer->setPreserveEncryption(value != QPDF_FALSE);
+}
+
+void
+qpdf_set_r2_encryption_parameters_insecure(
+    qpdf_data qpdf,
+    char const* user_password,
+    char const* owner_password,
+    QPDF_BOOL allow_print,
+    QPDF_BOOL allow_modify,
+    QPDF_BOOL allow_extract,
+    QPDF_BOOL allow_annotate)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_set_r2_encryption_parameters_insecure");
+    qpdf->qpdf_writer->setR2EncryptionParametersInsecure(
+        user_password,
+        owner_password,
+        allow_print != QPDF_FALSE,
+        allow_modify != QPDF_FALSE,
+        allow_extract != QPDF_FALSE,
+        allow_annotate != QPDF_FALSE);
+}
+
+void
+qpdf_set_r3_encryption_parameters_insecure(
+    qpdf_data qpdf,
+    char const* user_password,
+    char const* owner_password,
+    QPDF_BOOL allow_accessibility,
+    QPDF_BOOL allow_extract,
+    QPDF_BOOL allow_assemble,
+    QPDF_BOOL allow_annotate_and_form,
+    QPDF_BOOL allow_form_filling,
+    QPDF_BOOL allow_modify_other,
+    enum qpdf_r3_print_e print)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_set_r3_encryption_parameters_insecure");
+    qpdf->qpdf_writer->setR3EncryptionParametersInsecure(
+        user_password,
+        owner_password,
+        allow_accessibility != QPDF_FALSE,
+        allow_extract != QPDF_FALSE,
+        allow_assemble != QPDF_FALSE,
+        allow_annotate_and_form != QPDF_FALSE,
+        allow_form_filling != QPDF_FALSE,
+        allow_modify_other != QPDF_FALSE,
+        print);
 }
 
-void qpdf_set_r2_encryption_parameters(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_print, QPDF_BOOL allow_modify,
-    QPDF_BOOL allow_extract, QPDF_BOOL allow_annotate)
+void
+qpdf_set_r4_encryption_parameters_insecure(
+    qpdf_data qpdf,
+    char const* user_password,
+    char const* owner_password,
+    QPDF_BOOL allow_accessibility,
+    QPDF_BOOL allow_extract,
+    QPDF_BOOL allow_assemble,
+    QPDF_BOOL allow_annotate_and_form,
+    QPDF_BOOL allow_form_filling,
+    QPDF_BOOL allow_modify_other,
+    enum qpdf_r3_print_e print,
+    QPDF_BOOL encrypt_metadata,
+    QPDF_BOOL use_aes)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_set_r4_encryption_parameters_insecure");
+    qpdf->qpdf_writer->setR4EncryptionParametersInsecure(
+        user_password,
+        owner_password,
+        allow_accessibility != QPDF_FALSE,
+        allow_extract != QPDF_FALSE,
+        allow_assemble != QPDF_FALSE,
+        allow_annotate_and_form != QPDF_FALSE,
+        allow_form_filling != QPDF_FALSE,
+        allow_modify_other != QPDF_FALSE,
+        print,
+        encrypt_metadata != QPDF_FALSE,
+        use_aes != QPDF_FALSE);
+}
+
+void
+qpdf_set_r5_encryption_parameters2(
+    qpdf_data qpdf,
+    char const* user_password,
+    char const* owner_password,
+    QPDF_BOOL allow_accessibility,
+    QPDF_BOOL allow_extract,
+    QPDF_BOOL allow_assemble,
+    QPDF_BOOL allow_annotate_and_form,
+    QPDF_BOOL allow_form_filling,
+    QPDF_BOOL allow_modify_other,
+    enum qpdf_r3_print_e print,
+    QPDF_BOOL encrypt_metadata)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_set_r5_encryption_parameters");
+    qpdf->qpdf_writer->setR5EncryptionParameters(
+        user_password,
+        owner_password,
+        allow_accessibility != QPDF_FALSE,
+        allow_extract != QPDF_FALSE,
+        allow_assemble != QPDF_FALSE,
+        allow_annotate_and_form != QPDF_FALSE,
+        allow_form_filling != QPDF_FALSE,
+        allow_modify_other != QPDF_FALSE,
+        print,
+        encrypt_metadata != QPDF_FALSE);
+}
+
+void
+qpdf_set_r6_encryption_parameters2(
+    qpdf_data qpdf,
+    char const* user_password,
+    char const* owner_password,
+    QPDF_BOOL allow_accessibility,
+    QPDF_BOOL allow_extract,
+    QPDF_BOOL allow_assemble,
+    QPDF_BOOL allow_annotate_and_form,
+    QPDF_BOOL allow_form_filling,
+    QPDF_BOOL allow_modify_other,
+    enum qpdf_r3_print_e print,
+    QPDF_BOOL encrypt_metadata)
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_set_r2_encryption_parameters");
-    qpdf->qpdf_writer->setR2EncryptionParameters(
-	user_password, owner_password,
-	allow_print, allow_modify, allow_extract, allow_annotate);
+    QTC::TC("qpdf", "qpdf-c called qpdf_set_r6_encryption_parameters");
+    qpdf->qpdf_writer->setR6EncryptionParameters(
+        user_password,
+        owner_password,
+        allow_accessibility != QPDF_FALSE,
+        allow_extract != QPDF_FALSE,
+        allow_assemble != QPDF_FALSE,
+        allow_annotate_and_form != QPDF_FALSE,
+        allow_form_filling != QPDF_FALSE,
+        allow_modify_other != QPDF_FALSE,
+        print,
+        encrypt_metadata != QPDF_FALSE);
 }
 
-void qpdf_set_r3_encryption_parameters2(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-    QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-    enum qpdf_r3_print_e print)
+void
+qpdf_set_linearization(qpdf_data qpdf, QPDF_BOOL value)
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_set_r3_encryption_parameters");
-    qpdf->qpdf_writer->setR3EncryptionParameters(
-        user_password, owner_password,
-        allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print);
+    QTC::TC("qpdf", "qpdf-c called qpdf_set_linearization");
+    qpdf->qpdf_writer->setLinearization(value != QPDF_FALSE);
 }
 
-void qpdf_set_r4_encryption_parameters2(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-    QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-    enum qpdf_r3_print_e print,
-    QPDF_BOOL encrypt_metadata, QPDF_BOOL use_aes)
+void
+qpdf_set_minimum_pdf_version(qpdf_data qpdf, char const* version)
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_set_r4_encryption_parameters");
-    qpdf->qpdf_writer->setR4EncryptionParameters(
-        user_password, owner_password,
-        allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print, encrypt_metadata, use_aes);
+    qpdf_set_minimum_pdf_version_and_extension(qpdf, version, 0);
 }
 
+void
+qpdf_set_minimum_pdf_version_and_extension(
+    qpdf_data qpdf, char const* version, int extension_level)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_set_minimum_pdf_version");
+    qpdf->qpdf_writer->setMinimumPDFVersion(version, extension_level);
+}
 
-void qpdf_set_r5_encryption_parameters2(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-    QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-    enum qpdf_r3_print_e print, QPDF_BOOL encrypt_metadata)
+void
+qpdf_force_pdf_version(qpdf_data qpdf, char const* version)
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_set_r5_encryption_parameters");
-    qpdf->qpdf_writer->setR5EncryptionParameters(
-        user_password, owner_password,
-        allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print, encrypt_metadata);
+    qpdf_force_pdf_version_and_extension(qpdf, version, 0);
 }
 
-void qpdf_set_r6_encryption_parameters2(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    QPDF_BOOL allow_assemble, QPDF_BOOL allow_annotate_and_form,
-    QPDF_BOOL allow_form_filling, QPDF_BOOL allow_modify_other,
-    enum qpdf_r3_print_e print, QPDF_BOOL encrypt_metadata)
+void
+qpdf_force_pdf_version_and_extension(
+    qpdf_data qpdf, char const* version, int extension_level)
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_set_r6_encryption_parameters");
-    qpdf->qpdf_writer->setR6EncryptionParameters(
-        user_password, owner_password,
-        allow_accessibility, allow_extract,
-        allow_assemble, allow_annotate_and_form,
-        allow_form_filling, allow_modify_other,
-        print, encrypt_metadata);
+    QTC::TC("qpdf", "qpdf-c called qpdf_force_pdf_version");
+    qpdf->qpdf_writer->forcePDFVersion(version, extension_level);
+}
+
+void
+qpdf_register_progress_reporter(
+    qpdf_data qpdf,
+    void (*report_progress)(int percent, void* data),
+    void* data)
+{
+    QTC::TC("qpdf", "qpdf-c registered progress reporter");
+    qpdf->qpdf_writer->registerProgressReporter(
+        std::shared_ptr<QPDFWriter::ProgressReporter>(
+            new QPDFWriter::FunctionProgressReporter(
+                std::bind(report_progress, std::placeholders::_1, data))));
 }
 
-void qpdf_set_r3_encryption_parameters(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify)
+QPDF_ERROR_CODE
+qpdf_write(qpdf_data qpdf)
 {
-    qpdf->qpdf_writer->setR3EncryptionParameters(
-	user_password, owner_password,
-	allow_accessibility, allow_extract, print, modify);
+    QPDF_ERROR_CODE status = QPDF_SUCCESS;
+    status = trap_errors(qpdf, &call_write);
+    QTC::TC("qpdf", "qpdf-c called qpdf_write", (status == 0) ? 0 : 1);
+    return status;
+}
+
+void
+qpdf_silence_errors(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c silence oh errors");
+    qpdf->silence_errors = true;
+}
+
+template <class RET>
+static RET
+trap_oh_errors(
+    qpdf_data qpdf,
+    std::function<RET()> fallback,
+    std::function<RET(qpdf_data)> fn)
+{
+    // Note: fallback is a function so we don't have to evaluate it
+    // unless needed. This is important because sometimes the fallback
+    // creates an object.
+    RET ret;
+    QPDF_ERROR_CODE status =
+        trap_errors(qpdf, &ret, fn(qpdf_data q) { ret = fn(q); });
+    if (status & QPDF_ERRORS) {
+        if (!qpdf->silence_errors) {
+            QTC::TC(
+                "qpdf",
+                "qpdf-c warn about oh error",
+                qpdf->oh_error_occurred ? 0 : 1);
+            if (!qpdf->oh_error_occurred) {
+                qpdf->warnings.push_back(QPDFExc(
+                    qpdf_e_internal,
+                    qpdf->qpdf->getFilename(),
+                    "",
+                    0,
+                    "C API function caught an exception that it isn't"
+                    " returning; please point the application developer"
+                    " to ERROR HANDLING in qpdf-c.h"));
+                qpdf->oh_error_occurred = true;
+            }
+            *QPDFLogger::defaultLogger()->getError()
+                << qpdf->error->what() << "\n";
+        }
+        return fallback();
+    }
+    return ret;
 }
 
-void qpdf_set_r4_encryption_parameters(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-    QPDF_BOOL encrypt_metadata, QPDF_BOOL use_aes)
+static qpdf_oh
+new_object(qpdf_data qpdf, QPDFObjectHandle const& qoh)
 {
-    qpdf->qpdf_writer->setR4EncryptionParameters(
-	user_password, owner_password,
-	allow_accessibility, allow_extract, print, modify,
-	encrypt_metadata, use_aes);
+    qpdf_oh oh = ++qpdf->next_oh; // never return 0
+    qpdf->oh_cacheoh = std::make_shared<QPDFObjectHandle>(qoh);
+    return oh;
 }
 
-void qpdf_set_r5_encryption_parameters(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-    QPDF_BOOL encrypt_metadata)
+qpdf_oh
+qpdf_oh_new_object(qpdf_data qpdf, qpdf_oh oh)
 {
-    qpdf->qpdf_writer->setR5EncryptionParameters(
-	user_password, owner_password,
-	allow_accessibility, allow_extract, print, modify,
-	encrypt_metadata);
+    QTC::TC("qpdf", "qpdf-c called qpdf_new_object");
+    return new_object(qpdf, *(qpdf->oh_cacheoh));
 }
 
-void qpdf_set_r6_encryption_parameters(
-    qpdf_data qpdf, char const* user_password, char const* owner_password,
-    QPDF_BOOL allow_accessibility, QPDF_BOOL allow_extract,
-    qpdf_r3_print_e print, qpdf_r3_modify_e modify,
-    QPDF_BOOL encrypt_metadata)
+void
+qpdf_oh_release(qpdf_data qpdf, qpdf_oh oh)
 {
-    qpdf->qpdf_writer->setR6EncryptionParameters(
-	user_password, owner_password,
-	allow_accessibility, allow_extract, print, modify,
-	encrypt_metadata);
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_release");
+    qpdf->oh_cache.erase(oh);
 }
 
-void qpdf_set_linearization(qpdf_data qpdf, QPDF_BOOL value)
+void
+qpdf_oh_release_all(qpdf_data qpdf)
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_set_linearization");
-    qpdf->qpdf_writer->setLinearization(value);
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_release_all");
+    qpdf->oh_cache.clear();
 }
 
-void qpdf_set_minimum_pdf_version(qpdf_data qpdf, char const* version)
+template <class T>
+static std::function<T()>
+return_T(T const& r)
 {
-    qpdf_set_minimum_pdf_version_and_extension(qpdf, version, 0);
+    return &r() { return r; };
 }
 
-void qpdf_set_minimum_pdf_version_and_extension(
-    qpdf_data qpdf, char const* version, int extension_level)
+static QPDF_BOOL
+return_false()
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_set_minimum_pdf_version");
-    qpdf->qpdf_writer->setMinimumPDFVersion(version, extension_level);
+    return QPDF_FALSE;
 }
 
-void qpdf_force_pdf_version(qpdf_data qpdf, char const* version)
+static std::function<qpdf_oh()>
+return_uninitialized(qpdf_data qpdf)
 {
-    qpdf_force_pdf_version_and_extension(qpdf, version, 0);
+    return qpdf() { return qpdf_oh_new_uninitialized(qpdf); };
 }
 
-void qpdf_force_pdf_version_and_extension(
-    qpdf_data qpdf, char const* version, int extension_level)
+static std::function<qpdf_oh()>
+return_null(qpdf_data qpdf)
 {
-    QTC::TC("qpdf", "qpdf-c called qpdf_force_pdf_version");
-    qpdf->qpdf_writer->forcePDFVersion(version, extension_level);
+    return qpdf() { return qpdf_oh_new_null(qpdf); };
+}
+
+qpdf_oh
+qpdf_get_trailer(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_get_trailer");
+    return trap_oh_errors<qpdf_oh>(
+        qpdf, return_uninitialized(qpdf), (qpdf_data q) {
+            return new_object(q, q->qpdf->getTrailer());
+        });
 }
 
-QPDF_ERROR_CODE qpdf_write(qpdf_data qpdf)
+qpdf_oh
+qpdf_get_root(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_get_root");
+    return trap_oh_errors<qpdf_oh>(
+        qpdf, return_uninitialized(qpdf), (qpdf_data q) {
+            return new_object(q, q->qpdf->getRoot());
+        });
+}
+
+qpdf_oh
+qpdf_get_object_by_id(qpdf_data qpdf, int objid, int generation)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_get_object_by_id");
+    return new_object(qpdf, qpdf->qpdf->getObjectByID(objid, generation));
+}
+
+template <class RET>
+static RET
+do_with_oh(
+    qpdf_data qpdf,
+    qpdf_oh oh,
+    std::function<RET()> fallback,
+    std::function<RET(QPDFObjectHandle&)> fn)
+{
+    return trap_oh_errors<RET>(qpdf, fallback, fn, oh(qpdf_data q) {
+        auto i = q->oh_cache.find(oh);
+        bool result = ((i != q->oh_cache.end()) && (i->second).get());
+        if (!result) {
+            QTC::TC("qpdf", "qpdf-c invalid object handle");
+            throw QPDFExc(
+                qpdf_e_internal,
+                q->qpdf->getFilename(),
+                std::string("C API object handle ") + QUtil::uint_to_string(oh),
+                0,
+                "attempted access to unknown object handle");
+        }
+        return fn(*(q->oh_cacheoh));
+    });
+}
+
+static void
+do_with_oh_void(
+    qpdf_data qpdf, qpdf_oh oh, std::function<void(QPDFObjectHandle&)> fn)
+{
+    do_with_oh<bool>(
+        qpdf, oh, return_T<bool>(false), fn(QPDFObjectHandle& o) {
+            fn(o);
+            return true; // unused
+        });
+}
+
+void
+qpdf_replace_object(qpdf_data qpdf, int objid, int generation, qpdf_oh oh)
+{
+    do_with_oh_void(qpdf, oh, qpdf, objid, generation(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_replace_object");
+        qpdf->qpdf->replaceObject(objid, generation, o);
+    });
+}
+
+QPDF_BOOL
+qpdf_oh_is_initialized(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_initialized");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isInitialized();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_bool(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_bool");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) { return o.isBool(); });
+}
+
+QPDF_BOOL
+qpdf_oh_is_null(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_null");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) { return o.isNull(); });
+}
+
+QPDF_BOOL
+qpdf_oh_is_integer(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_integer");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isInteger();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_real(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_real");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) { return o.isReal(); });
+}
+
+QPDF_BOOL
+qpdf_oh_is_name(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_name");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) { return o.isName(); });
+}
+
+QPDF_BOOL
+qpdf_oh_is_string(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_string");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isString();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_operator(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_operator");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isOperator();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_inline_image(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_inline_image");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isInlineImage();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_array(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_array");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isArray();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_dictionary(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_dictionary");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isDictionary();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_stream(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_stream");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isStream();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_indirect(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_indirect");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isIndirect();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_scalar(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_scalar");
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            return o.isScalar();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_number(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_number");
+            return o.isNumber();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_name_and_equals(qpdf_data qpdf, qpdf_oh oh, char const* name)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, name(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_name_and_equals");
+            return o.isNameAndEquals(name);
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_dictionary_of_type(
+    qpdf_data qpdf, qpdf_oh oh, char const* type, char const* subtype)
+{
+    auto stype = (subtype == nullptr) ? "" : subtype;
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, type, stype(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_dictionary_of_type");
+            return o.isDictionaryOfType(type, stype);
+        });
+}
+
+qpdf_object_type_e
+qpdf_oh_get_type_code(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<qpdf_object_type_e>(
+        qpdf,
+        oh,
+        return_T<qpdf_object_type_e>(ot_uninitialized),
+        (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_type_code");
+            return o.getTypeCode();
+        });
+}
+
+char const*
+qpdf_oh_get_type_name(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_type_name");
+            qpdf->tmp_string = o.getTypeName();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+qpdf_oh
+qpdf_oh_wrap_in_array(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<qpdf_oh>(
+        qpdf,
+        oh,
+        qpdf() { return qpdf_oh_new_array(qpdf); },
+        qpdf(QPDFObjectHandle& qoh) {
+            if (qoh.isArray()) {
+                QTC::TC("qpdf", "qpdf-c array to wrap_in_array");
+                return new_object(qpdf, qoh);
+            } else {
+                QTC::TC("qpdf", "qpdf-c non-array to wrap_in_array");
+                return new_object(
+                    qpdf,
+                    QPDFObjectHandle::newArray(
+                        std::vector<QPDFObjectHandle>{qoh}));
+            }
+        });
+}
+
+qpdf_oh
+qpdf_oh_parse(qpdf_data qpdf, char const* object_str)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_parse");
+    return trap_oh_errors<qpdf_oh>(
+        qpdf, return_uninitialized(qpdf), object_str(qpdf_data q) {
+            return new_object(q, QPDFObjectHandle::parse(object_str));
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_bool_value(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_bool_value");
+            return o.getBoolValue();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_bool(qpdf_data qpdf, qpdf_oh oh, QPDF_BOOL* value)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, value(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_bool");
+            bool v = *value;
+            QPDF_BOOL result = o.getValueAsBool(v);
+            if (result) {
+                *value = v;
+            }
+            return result;
+        });
+}
+
+long long
+qpdf_oh_get_int_value(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<long long>(
+        qpdf, oh, return_T<long long>(0LL), (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_int_value");
+            return o.getIntValue();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_longlong(qpdf_data qpdf, qpdf_oh oh, long long* value)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, value(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_longlong");
+            return o.getValueAsInt(*value);
+        });
+}
+
+int
+qpdf_oh_get_int_value_as_int(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<int>(qpdf, oh, return_T<int>(0), (QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_int_value_as_int");
+        return o.getIntValueAsInt();
+    });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_int(qpdf_data qpdf, qpdf_oh oh, int* value)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, value(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_int");
+            return o.getValueAsInt(*value);
+        });
+}
+
+unsigned long long
+qpdf_oh_get_uint_value(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<unsigned long long>(
+        qpdf, oh, return_T<unsigned long long>(0ULL), (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_uint_value");
+            return o.getUIntValue();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_ulonglong(
+    qpdf_data qpdf, qpdf_oh oh, unsigned long long* value)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, value(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_ulonglong");
+            return o.getValueAsUInt(*value);
+        });
+}
+
+unsigned int
+qpdf_oh_get_uint_value_as_uint(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<unsigned int>(
+        qpdf, oh, return_T<unsigned int>(0U), (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_uint_value_as_uint");
+            return o.getUIntValueAsUInt();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_uint(qpdf_data qpdf, qpdf_oh oh, unsigned int* value)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, value(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_uint");
+            return o.getValueAsUInt(*value);
+        });
+}
+
+char const*
+qpdf_oh_get_real_value(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_real_value");
+            qpdf->tmp_string = o.getRealValue();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_real(
+    qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, qpdf, value, length(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_real");
+            auto result = o.getValueAsReal(qpdf->tmp_string);
+            if (result) {
+                *value = qpdf->tmp_string.c_str();
+                *length = qpdf->tmp_string.length();
+            }
+            return result;
+        });
+}
+
+double
+qpdf_oh_get_numeric_value(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<double>(
+        qpdf, oh, return_T<double>(0.0), (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_numeric_value");
+            return o.getNumericValue();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_number(qpdf_data qpdf, qpdf_oh oh, double* value)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, value(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_number");
+            return o.getValueAsNumber(*value);
+        });
+}
+
+char const*
+qpdf_oh_get_name(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_name");
+            qpdf->tmp_string = o.getName();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_name(
+    qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, qpdf, value, length(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_name");
+            auto result = o.getValueAsName(qpdf->tmp_string);
+            if (result) {
+                *value = qpdf->tmp_string.c_str();
+                *length = qpdf->tmp_string.length();
+            }
+            return result;
+        });
+}
+
+char const*
+qpdf_oh_get_string_value(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_string_value");
+            qpdf->tmp_string = o.getStringValue();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_string(
+    qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, qpdf, value, length(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_string");
+            auto result = o.getValueAsString(qpdf->tmp_string);
+            if (result) {
+                *value = qpdf->tmp_string.c_str();
+                *length = qpdf->tmp_string.length();
+            }
+            return result;
+        });
+}
+
+char const*
+qpdf_oh_get_utf8_value(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_utf8_value");
+            qpdf->tmp_string = o.getUTF8Value();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_get_value_as_utf8(
+    qpdf_data qpdf, qpdf_oh oh, char const** value, size_t* length)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, qpdf, value, length(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_value_as_utf8");
+            auto result = o.getValueAsUTF8(qpdf->tmp_string);
+            if (result) {
+                *value = qpdf->tmp_string.c_str();
+                *length = qpdf->tmp_string.length();
+            }
+            return result;
+        });
+}
+
+char const*
+qpdf_oh_get_binary_string_value(qpdf_data qpdf, qpdf_oh oh, size_t* length)
+{
+    return do_with_oh<char const*>(
+        qpdf,
+        oh,
+        return_T<char const*>(""),
+        qpdf, length(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_binary_string_value");
+            qpdf->tmp_string = o.getStringValue();
+            *length = qpdf->tmp_string.length();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+char const*
+qpdf_oh_get_binary_utf8_value(qpdf_data qpdf, qpdf_oh oh, size_t* length)
+{
+    return do_with_oh<char const*>(
+        qpdf,
+        oh,
+        return_T<char const*>(""),
+        qpdf, length(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_binary_utf8_value");
+            qpdf->tmp_string = o.getUTF8Value();
+            *length = qpdf->tmp_string.length();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+int
+qpdf_oh_get_array_n_items(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<int>(qpdf, oh, return_T<int>(0), (QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_array_n_items");
+        return o.getArrayNItems();
+    });
+}
+
+qpdf_oh
+qpdf_oh_get_array_item(qpdf_data qpdf, qpdf_oh oh, int n)
+{
+    return do_with_oh<qpdf_oh>(
+        qpdf, oh, return_null(qpdf), qpdf, n(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_array_item");
+            return new_object(qpdf, o.getArrayItem(n));
+        });
+}
+
+void
+qpdf_oh_begin_dict_key_iter(qpdf_data qpdf, qpdf_oh oh)
+{
+    qpdf->cur_iter_dict_keys = do_with_oh<std::set<std::string>>(
+        qpdf,
+        oh,
+        () { return std::set<std::string>(); },
+        (QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_begin_dict_key_iter");
+            return o.getKeys();
+        });
+    qpdf->dict_iter = qpdf->cur_iter_dict_keys.begin();
+}
+
+QPDF_BOOL
+qpdf_oh_dict_more_keys(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_dict_more_keys");
+    return qpdf->dict_iter != qpdf->cur_iter_dict_keys.end();
+}
+
+char const*
+qpdf_oh_dict_next_key(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_dict_next_key");
+    if (qpdf_oh_dict_more_keys(qpdf)) {
+        qpdf->cur_dict_key = *qpdf->dict_iter;
+        ++qpdf->dict_iter;
+        return qpdf->cur_dict_key.c_str();
+    } else {
+        return nullptr;
+    }
+}
+
+QPDF_BOOL
+qpdf_oh_has_key(qpdf_data qpdf, qpdf_oh oh, char const* key)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, key(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_has_key");
+            return o.hasKey(key);
+        });
+}
+
+qpdf_oh
+qpdf_oh_get_key(qpdf_data qpdf, qpdf_oh oh, char const* key)
+{
+    return do_with_oh<qpdf_oh>(
+        qpdf, oh, return_null(qpdf), qpdf, key(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_key");
+            return new_object(qpdf, o.getKey(key));
+        });
+}
+
+qpdf_oh
+qpdf_oh_get_key_if_dict(qpdf_data qpdf, qpdf_oh oh, char const* key)
+{
+    return do_with_oh<qpdf_oh>(
+        qpdf, oh, return_null(qpdf), qpdf, key(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_key_if_dict");
+            return new_object(qpdf, o.getKeyIfDict(key));
+        });
+}
+
+QPDF_BOOL
+qpdf_oh_is_or_has_name(qpdf_data qpdf, qpdf_oh oh, char const* key)
+{
+    return do_with_oh<QPDF_BOOL>(
+        qpdf, oh, return_false, key(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_or_has_name");
+            return o.isOrHasName(key);
+        });
+}
+
+qpdf_oh
+qpdf_oh_new_uninitialized(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_uninitialized");
+    return new_object(qpdf, QPDFObjectHandle());
+}
+
+qpdf_oh
+qpdf_oh_new_null(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_null");
+    return new_object(qpdf, QPDFObjectHandle::newNull());
+}
+
+qpdf_oh
+qpdf_oh_new_bool(qpdf_data qpdf, QPDF_BOOL value)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_bool");
+    return new_object(qpdf, QPDFObjectHandle::newBool(value));
+}
+
+qpdf_oh
+qpdf_oh_new_integer(qpdf_data qpdf, long long value)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_integer");
+    return new_object(qpdf, QPDFObjectHandle::newInteger(value));
+}
+
+qpdf_oh
+qpdf_oh_new_real_from_string(qpdf_data qpdf, char const* value)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_real_from_string");
+    return new_object(qpdf, QPDFObjectHandle::newReal(value));
+}
+
+qpdf_oh
+qpdf_oh_new_real_from_double(qpdf_data qpdf, double value, int decimal_places)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_real_from_double");
+    return new_object(qpdf, QPDFObjectHandle::newReal(value, decimal_places));
+}
+
+qpdf_oh
+qpdf_oh_new_name(qpdf_data qpdf, char const* name)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_name");
+    return new_object(qpdf, QPDFObjectHandle::newName(name));
+}
+
+qpdf_oh
+qpdf_oh_new_string(qpdf_data qpdf, char const* str)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_string");
+    return new_object(qpdf, QPDFObjectHandle::newString(str));
+}
+
+qpdf_oh
+qpdf_oh_new_unicode_string(qpdf_data qpdf, char const* utf8_str)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_unicode_string");
+    return new_object(qpdf, QPDFObjectHandle::newUnicodeString(utf8_str));
+}
+
+qpdf_oh
+qpdf_oh_new_binary_string(qpdf_data qpdf, char const* str, size_t length)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_binary_string");
+    return new_object(
+        qpdf, QPDFObjectHandle::newString(std::string(str, length)));
+}
+
+qpdf_oh
+qpdf_oh_new_binary_unicode_string(
+    qpdf_data qpdf, char const* utf8_str, size_t length)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_binary_unicode_string");
+    return new_object(
+        qpdf,
+        QPDFObjectHandle::newUnicodeString(std::string(utf8_str, length)));
+}
+
+qpdf_oh
+qpdf_oh_new_array(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_array");
+    return new_object(qpdf, QPDFObjectHandle::newArray());
+}
+
+qpdf_oh
+qpdf_oh_new_dictionary(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_dictionary");
+    return new_object(qpdf, QPDFObjectHandle::newDictionary());
+}
+
+qpdf_oh
+qpdf_oh_new_stream(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_stream");
+    return new_object(qpdf, QPDFObjectHandle::newStream(qpdf->qpdf.get()));
+}
+
+void
+qpdf_oh_make_direct(qpdf_data qpdf, qpdf_oh oh)
+{
+    do_with_oh_void(qpdf, oh, (QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_make_direct");
+        o.makeDirect();
+    });
+}
+
+qpdf_oh
+qpdf_make_indirect_object(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<qpdf_oh>(
+        qpdf, oh, return_uninitialized(qpdf), qpdf(QPDFObjectHandle& o) {
+            return new_object(qpdf, qpdf->qpdf->makeIndirectObject(o));
+        });
+}
+
+static QPDFObjectHandle
+qpdf_oh_item_internal(qpdf_data qpdf, qpdf_oh item)
+{
+    return do_with_oh<QPDFObjectHandle>(
+        qpdf,
+        item,
+        () { return QPDFObjectHandle::newNull(); },
+        (QPDFObjectHandle& o) { return o; });
+}
+
+void
+qpdf_oh_set_array_item(qpdf_data qpdf, qpdf_oh oh, int at, qpdf_oh item)
+{
+    do_with_oh_void(qpdf, oh, qpdf, at, item(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_set_array_item");
+        o.setArrayItem(at, qpdf_oh_item_internal(qpdf, item));
+    });
+}
+
+void
+qpdf_oh_insert_item(qpdf_data qpdf, qpdf_oh oh, int at, qpdf_oh item)
+{
+    do_with_oh_void(qpdf, oh, qpdf, at, item(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_insert_item");
+        o.insertItem(at, qpdf_oh_item_internal(qpdf, item));
+    });
+}
+
+void
+qpdf_oh_append_item(qpdf_data qpdf, qpdf_oh oh, qpdf_oh item)
+{
+    do_with_oh_void(qpdf, oh, qpdf, item(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_append_item");
+        o.appendItem(qpdf_oh_item_internal(qpdf, item));
+    });
+}
+
+void
+qpdf_oh_erase_item(qpdf_data qpdf, qpdf_oh oh, int at)
+{
+    do_with_oh_void(qpdf, oh, at(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_erase_item");
+        o.eraseItem(at);
+    });
+}
+
+void
+qpdf_oh_replace_key(qpdf_data qpdf, qpdf_oh oh, char const* key, qpdf_oh item)
+{
+    do_with_oh_void(qpdf, oh, qpdf, key, item(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_replace_key");
+        o.replaceKey(key, qpdf_oh_item_internal(qpdf, item));
+    });
+}
+
+void
+qpdf_oh_remove_key(qpdf_data qpdf, qpdf_oh oh, char const* key)
+{
+    do_with_oh_void(qpdf, oh, key(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_remove_key");
+        o.removeKey(key);
+    });
+}
+
+void
+qpdf_oh_replace_or_remove_key(
+    qpdf_data qpdf, qpdf_oh oh, char const* key, qpdf_oh item)
+{
+    do_with_oh_void(qpdf, oh, qpdf, key, item(QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_replace_or_remove_key");
+        o.replaceKey(key, qpdf_oh_item_internal(qpdf, item));
+    });
+}
+
+qpdf_oh
+qpdf_oh_get_dict(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<qpdf_oh>(
+        qpdf, oh, return_null(qpdf), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_dict");
+            return new_object(qpdf, o.getDict());
+        });
+}
+
+int
+qpdf_oh_get_object_id(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<int>(qpdf, oh, return_T<int>(0), (QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_object_id");
+        return o.getObjectID();
+    });
+}
+
+int
+qpdf_oh_get_generation(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<int>(qpdf, oh, return_T<int>(0), (QPDFObjectHandle& o) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_generation");
+        return o.getGeneration();
+    });
+}
+
+char const*
+qpdf_oh_unparse(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_unparse");
+            qpdf->tmp_string = o.unparse();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+char const*
+qpdf_oh_unparse_resolved(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_unparse_resolved");
+            qpdf->tmp_string = o.unparseResolved();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+char const*
+qpdf_oh_unparse_binary(qpdf_data qpdf, qpdf_oh oh)
+{
+    return do_with_oh<char const*>(
+        qpdf, oh, return_T<char const*>(""), qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_unparse_binary");
+            qpdf->tmp_string = o.unparseBinary();
+            return qpdf->tmp_string.c_str();
+        });
+}
+
+qpdf_oh
+qpdf_oh_copy_foreign_object(
+    qpdf_data qpdf, qpdf_data other_qpdf, qpdf_oh foreign_oh)
+{
+    return do_with_oh<qpdf_oh>(
+        other_qpdf,
+        foreign_oh,
+        return_uninitialized(qpdf),
+        qpdf(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_copy_foreign_object");
+            return new_object(qpdf, qpdf->qpdf->copyForeignObject(o));
+        });
+}
+
+QPDF_ERROR_CODE
+qpdf_oh_get_stream_data(
+    qpdf_data qpdf,
+    qpdf_oh stream_oh,
+    qpdf_stream_decode_level_e decode_level,
+    QPDF_BOOL* filtered,
+    unsigned char** bufp,
+    size_t* len)
+{
+    return trap_errors(
+        qpdf, stream_oh, decode_level, filtered, bufp, len(qpdf_data q) {
+            auto stream = qpdf_oh_item_internal(q, stream_oh);
+            Pipeline* p = nullptr;
+            Pl_Buffer buf("stream data");
+            if (bufp) {
+                p = &buf;
+            }
+            bool was_filtered = false;
+            if (stream.pipeStreamData(
+                    p, &was_filtered, 0, decode_level, false, false)) {
+                QTC::TC("qpdf", "qpdf-c stream data buf set", bufp ? 0 : 1);
+                if (p && bufp && len) {
+                    buf.getMallocBuffer(bufp, len);
+                }
+                QTC::TC(
+                    "qpdf",
+                    "qpdf-c stream data filtered set",
+                    filtered ? 0 : 1);
+                if (filtered) {
+                    *filtered = was_filtered ? QPDF_TRUE : QPDF_FALSE;
+                }
+            } else {
+                throw std::runtime_error(
+                    "unable to access stream data for stream " +
+                    stream.unparse());
+            }
+        });
+}
+
+QPDF_ERROR_CODE
+qpdf_oh_get_page_content_data(
+    qpdf_data qpdf, qpdf_oh page_oh, unsigned char** bufp, size_t* len)
+{
+    return trap_errors(qpdf, page_oh, bufp, len(qpdf_data q) {
+        QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_page_content_data");
+        auto o = qpdf_oh_item_internal(q, page_oh);
+        Pl_Buffer buf("page contents");
+        o.pipePageContents(&buf);
+        buf.getMallocBuffer(bufp, len);
+    });
+}
+
+void
+qpdf_oh_replace_stream_data(
+    qpdf_data qpdf,
+    qpdf_oh stream_oh,
+    unsigned char const* buf,
+    size_t len,
+    qpdf_oh filter_oh,
+    qpdf_oh decode_parms_oh)
+{
+    do_with_oh_void(
+        qpdf,
+        stream_oh,
+        qpdf, buf, len, filter_oh, decode_parms_oh(QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_replace_stream_data");
+            auto filter = qpdf_oh_item_internal(qpdf, filter_oh);
+            auto decode_parms = qpdf_oh_item_internal(qpdf, decode_parms_oh);
+            // XXX test with binary data with null
+            o.replaceStreamData(
+                std::string(reinterpret_cast<char const*>(buf), len),
+                filter,
+                decode_parms);
+        });
+}
+
+int
+qpdf_get_num_pages(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_num_pages");
+    int n = -1;
+    QPDF_ERROR_CODE code = trap_errors(qpdf, &n(qpdf_data q) {
+        n = QIntC::to_int(q->qpdf->getAllPages().size());
+    });
+    if (code & QPDF_ERRORS) {
+        return -1;
+    }
+    return n;
+}
+
+qpdf_oh
+qpdf_get_page_n(qpdf_data qpdf, size_t i)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_get_page_n");
+    qpdf_oh result = 0;
+    QPDF_ERROR_CODE code = trap_errors(qpdf, &result, i(qpdf_data q) {
+        result = new_object(q, q->qpdf->getAllPages().at(i));
+    });
+    if ((code & QPDF_ERRORS) || (result == 0)) {
+        return qpdf_oh_new_uninitialized(qpdf);
+    }
+    return result;
+}
+
+QPDF_ERROR_CODE
+qpdf_update_all_pages_cache(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_update_all_pages_cache");
+    return trap_errors(
+        qpdf, (qpdf_data q) { q->qpdf->updateAllPagesCache(); });
+}
+
+int
+qpdf_find_page_by_id(qpdf_data qpdf, int objid, int generation)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_find_page_by_id");
+    int n = -1;
+    QPDFObjGen og(objid, generation);
+    QPDF_ERROR_CODE code = trap_errors(qpdf, &n, &og(qpdf_data q) {
+        n = QIntC::to_int(q->qpdf->findPage(og));
+    });
+    if (code & QPDF_ERRORS) {
+        return -1;
+    }
+    return n;
+}
+
+int
+qpdf_find_page_by_oh(qpdf_data qpdf, qpdf_oh oh)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_find_page_by_oh");
+    return do_with_oh<int>(
+        qpdf, oh, return_T<int>(-1), qpdf(QPDFObjectHandle& o) {
+            return qpdf->qpdf->findPage(o);
+        });
+}
+
+QPDF_ERROR_CODE
+qpdf_push_inherited_attributes_to_page(qpdf_data qpdf)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_push_inherited_attributes_to_page");
+    return trap_errors(
+        qpdf, (qpdf_data q) { q->qpdf->pushInheritedAttributesToPage(); });
+}
+
+QPDF_ERROR_CODE
+qpdf_add_page(
+    qpdf_data qpdf, qpdf_data newpage_qpdf, qpdf_oh newpage, QPDF_BOOL first)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_add_page");
+    auto page = qpdf_oh_item_internal(newpage_qpdf, newpage);
+    return trap_errors(
+        qpdf, &page, first(qpdf_data q) { q->qpdf->addPage(page, first); });
+}
+
+QPDF_ERROR_CODE
+qpdf_add_page_at(
+    qpdf_data qpdf,
+    qpdf_data newpage_qpdf,
+    qpdf_oh newpage,
+    QPDF_BOOL before,
+    qpdf_oh refpage)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_add_page_at");
+    auto page = qpdf_oh_item_internal(newpage_qpdf, newpage);
+    auto ref = qpdf_oh_item_internal(qpdf, refpage);
+    return trap_errors(qpdf, &page, before, &ref(qpdf_data q) {
+        q->qpdf->addPageAt(page, before, ref);
+    });
+}
+
+QPDF_ERROR_CODE
+qpdf_remove_page(qpdf_data qpdf, qpdf_oh page)
+{
+    QTC::TC("qpdf", "qpdf-c called qpdf_remove_page");
+    auto p = qpdf_oh_item_internal(qpdf, page);
+    return trap_errors(qpdf, &p(qpdf_data q) { q->qpdf->removePage(p); });
+}
+
+QPDF_ERROR_CODE
+qpdf_create_from_json_file(qpdf_data qpdf, char const* filename)
 {
     QPDF_ERROR_CODE status = QPDF_SUCCESS;
-    status = trap_errors(qpdf, &call_write);
-    QTC::TC("qpdf", "qpdf-c called qpdf_write", (status == 0) ? 0 : 1);
+    qpdf->filename = filename;
+    status = trap_errors(
+        qpdf, (qpdf_data q) { q->qpdf->createFromJSON(q->filename); });
+    return status;
+}
+
+QPDF_ERROR_CODE
+qpdf_create_from_json_data(
+    qpdf_data qpdf, char const* buffer, unsigned long long size)
+{
+    QPDF_ERROR_CODE status = QPDF_SUCCESS;
+    qpdf->filename = "json buffer";
+    qpdf->buffer = buffer;
+    qpdf->size = size;
+    auto b =
+        new Buffer(QUtil::unsigned_char_pointer(buffer), QIntC::to_size(size));
+    auto is = std::make_shared<BufferInputSource>(qpdf->filename, b, true);
+    status =
+        trap_errors(qpdf, &is(qpdf_data q) { q->qpdf->createFromJSON(is); });
+    return status;
+}
+
+QPDF_ERROR_CODE
+qpdf_update_from_json_file(qpdf_data qpdf, char const* filename)
+{
+    QPDF_ERROR_CODE status = QPDF_SUCCESS;
+    status = trap_errors(
+        qpdf, filename(qpdf_data q) { q->qpdf->updateFromJSON(filename); });
+    return status;
+}
+
+QPDF_ERROR_CODE
+qpdf_update_from_json_data(
+    qpdf_data qpdf, char const* buffer, unsigned long long size)
+{
+    QPDF_ERROR_CODE status = QPDF_SUCCESS;
+    auto b =
+        new Buffer(QUtil::unsigned_char_pointer(buffer), QIntC::to_size(size));
+    auto is = std::make_shared<BufferInputSource>(qpdf->filename, b, true);
+    status =
+        trap_errors(qpdf, &is(qpdf_data q) { q->qpdf->updateFromJSON(is); });
+    return status;
+}
+
+QPDF_ERROR_CODE
+qpdf_write_json(
+    qpdf_data qpdf,
+    int version,
+    qpdf_write_fn_t fn,
+    void* udata,
+    enum qpdf_stream_decode_level_e decode_level,
+    enum qpdf_json_stream_data_e json_stream_data,
+    char const* file_prefix,
+    char const* const* wanted_objects)
+{
+    QPDF_ERROR_CODE status = QPDF_SUCCESS;
+    auto p = std::make_shared<Pl_Function>("write_json", nullptr, fn, udata);
+    std::set<std::string> wanted_objects_set;
+    if (wanted_objects) {
+        for (auto i = wanted_objects; *i; ++i) {
+            wanted_objects_set.insert(*i);
+        }
+    }
+    status = trap_errors(
+        qpdf,
+        version,
+         p,
+         decode_level,
+         json_stream_data,
+         file_prefix,
+         &wanted_objects_set(qpdf_data q) {
+            q->qpdf->writeJSON(
+                version,
+                p.get(),
+                decode_level,
+                json_stream_data,
+                file_prefix,
+                wanted_objects_set);
+        });
     return status;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/AES_PDF_native.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/BitStream.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/BitStream.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/BitWriter.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/BitWriter.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/ContentNormalizer.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/ContentNormalizer.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/CryptoRandomDataProvider.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/InsecureRandomDataProvider.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/InsecureRandomDataProvider.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/JSONHandler.hh Added

@@ -0,0 +1,115 @@
+#ifndef JSONHANDLER_HH
+#define JSONHANDLER_HH
+
+#include <qpdf/JSON.hh>
+#include <functional>
+#include <map>
+#include <memory>
+#include <string>
+
+// This class allows a sax-like walk through a JSON object with
+// functionality that mostly mirrors QPDFArgParser. It is primarily
+// here to facilitate automatic generation of some of the code to help
+// keep QPDFJob json consistent with command-line arguments.
+
+class JSONHandler
+{
+  public:
+    // A QPDFUsage exception is thrown if there are any errors
+    // validating the JSON object.
+    JSONHandler();
+    ~JSONHandler() = default;
+
+    // Based on the type of handler, expect the object to be of a
+    // certain type. QPDFUsage is thrown otherwise. Multiple handlers
+    // may be registered, which allows the object to be of various
+    // types. If an anyHandler is added, no other handler will be
+    // called. There is no "final" handler -- if the top-level is a
+    // dictionary or array, just use its end handler.
+
+    typedef std::function<void(std::string const& path, JSON value)>
+        json_handler_t;
+    typedef std::function<void(std::string const& path)> void_handler_t;
+    typedef std::function<void(
+        std::string const& path, std::string const& value)>
+        string_handler_t;
+    typedef std::function<void(std::string const& path, bool value)>
+        bool_handler_t;
+
+    // If an any handler is added, it will be called for any value
+    // including null, and no other handler will be called.
+    void addAnyHandler(json_handler_t fn);
+
+    // If any of the remaining handlers are registered, each
+    // registered handle will be called.
+    void addNullHandler(void_handler_t fn);
+    void addStringHandler(string_handler_t fn);
+    void addNumberHandler(string_handler_t fn);
+    void addBoolHandler(bool_handler_t fn);
+
+    void addDictHandlers(json_handler_t start_fn, void_handler_t end_fn);
+    void
+    addDictKeyHandler(std::string const& key, std::shared_ptr<JSONHandler>);
+    void addFallbackDictHandler(std::shared_ptr<JSONHandler>);
+
+    void addArrayHandlers(
+        json_handler_t start_fn,
+        void_handler_t end_fn,
+        std::shared_ptr<JSONHandler> item_handlers);
+
+    // Apply handlers recursively to a JSON object.
+    void handle(std::string const& path, JSON j);
+
+  private:
+    JSONHandler(JSONHandler const&) = delete;
+
+    static void usage(std::string const& msg);
+
+    struct Handlers
+    {
+        Handlers() :
+            any_handler(nullptr),
+            null_handler(nullptr),
+            string_handler(nullptr),
+            number_handler(nullptr),
+            bool_handler(nullptr),
+            dict_start_handler(nullptr),
+            dict_end_handler(nullptr),
+            array_start_handler(nullptr),
+            array_end_handler(nullptr),
+            final_handler(nullptr)
+        {
+        }
+
+        json_handler_t any_handler;
+        void_handler_t null_handler;
+        string_handler_t string_handler;
+        string_handler_t number_handler;
+        bool_handler_t bool_handler;
+        json_handler_t dict_start_handler;
+        void_handler_t dict_end_handler;
+        json_handler_t array_start_handler;
+        void_handler_t array_end_handler;
+        void_handler_t final_handler;
+        std::map<std::string, std::shared_ptr<JSONHandler>> dict_handlers;
+        std::shared_ptr<JSONHandler> fallback_dict_handler;
+        std::shared_ptr<JSONHandler> array_item_handler;
+    };
+
+    class Members
+    {
+        friend class JSONHandler;
+
+      public:
+        ~Members() = default;
+
+      private:
+        Members() = default;
+        Members(Members const&) = delete;
+
+        Handlers h;
+    };
+    std::shared_ptr<Members> m;
+};
+
+#endif // JSONHANDLER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/MD5.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/MD5.hh Changed

@@ -1,14 +1,9 @@
 #ifndef MD5_HH
 #define MD5_HH
 
-#include <qpdf/DLL.h>
-#include <qpdf/qpdf-config.h>
-#ifdef HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-#ifdef HAVE_STDINT_H
-# include <stdint.h>
-#endif
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <qpdf/Types.h>
+#include <memory>
 #include <string>
 
 class MD5
@@ -16,77 +11,47 @@
   public:
     typedef unsigned char Digest16;
 
-    QPDF_DLL
     MD5();
-    QPDF_DLL
     void reset();
 
     // encodes string and finalizes
-    QPDF_DLL
     void encodeString(char const* input_string);
 
-    // encodes file and finalizes
-    QPDF_DLL
-    void encodeFile(char const* filename, int up_to_size = -1);
+    // encodes file and finalizes; offset < 0 reads whole file
+    void encodeFile(char const* filename, qpdf_offset_t up_to_offset = -1);
 
     // appends string to current md5 object
-    QPDF_DLL
     void appendString(char const* input_string);
 
     // appends arbitrary data to current md5 object
-    QPDF_DLL
-    void encodeDataIncrementally(char const* input_data, int len);
+    void encodeDataIncrementally(char const* input_data, size_t len);
 
     // computes a raw digest
-    QPDF_DLL
     void digest(Digest);
 
     // prints the digest to stdout terminated with \r\n (primarily for
     // testing)
-    QPDF_DLL
     void print();
 
     // returns the digest as a hexadecimal string
-    QPDF_DLL
     std::string unparse();
 
     // Convenience functions
-    QPDF_DLL
-    static std::string getDataChecksum(char const* buf, int len);
-    QPDF_DLL
-    static std::string getFileChecksum(char const* filename,
-				       int up_to_size = -1);
-    QPDF_DLL
-    static bool checkDataChecksum(char const* const checksum,
-				  char const* buf, int len);
-    QPDF_DLL
-    static bool checkFileChecksum(char const* const checksum,
-				  char const* filename, int up_to_size = -1);
+    static std::string getDataChecksum(char const* buf, size_t len);
+    static std::string
+    getFileChecksum(char const* filename, qpdf_offset_t up_to_offset = -1);
+    static bool
+    checkDataChecksum(char const* const checksum, char const* buf, size_t len);
+    static bool checkFileChecksum(
+        char const* const checksum,
+        char const* filename,
+        qpdf_offset_t up_to_offset = -1);
 
   private:
-    // POINTER defines a generic pointer type
-    typedef void *POINTER;
-
-    // UINT2 defines a two byte word
-    typedef uint16_t UINT2;
-
-    // UINT4 defines a four byte word
-    typedef uint32_t UINT4;
-
     void init();
-    void update(unsigned char *, unsigned int);
-    void final();
-
-    static void transform(UINT4 4, unsigned char 64);
-    static void encode(unsigned char *, UINT4 *, unsigned int);
-    static void decode(UINT4 *, unsigned char *, unsigned int);
-
-    UINT4 state4;		// state (ABCD)
-    UINT4 count2;		// number of bits, modulo 2^64 (lsb first)
-    unsigned char buffer64;	// input buffer
+    void finalize();
 
-    bool finalized;
-    Digest digest_val;
+    std::shared_ptr<QPDFCryptoImpl> crypto;
 };
 
 #endif // MD5_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/MD5_native.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/NNTree.hh Added

@@ -0,0 +1,140 @@
+#ifndef NNTREE_HH
+#define NNTREE_HH
+
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+
+#include <iterator>
+#include <list>
+#include <memory>
+
+class NNTreeDetails
+{
+  public:
+    virtual std::string const& itemsKey() const = 0;
+    virtual bool keyValid(QPDFObjectHandle) const = 0;
+    virtual int compareKeys(QPDFObjectHandle, QPDFObjectHandle) const = 0;
+};
+
+class NNTreeImpl;
+class NNTreeIterator
+{
+    friend class NNTreeImpl;
+
+  public:
+    typedef std::pair<QPDFObjectHandle, QPDFObjectHandle> T;
+    using iterator_category = std::bidirectional_iterator_tag;
+    using value_type = T;
+    using difference_type = long;
+    using pointer = T*;
+    using reference = T&;
+
+    virtual ~NNTreeIterator() = default;
+    bool valid() const;
+    NNTreeIterator& operator++();
+    NNTreeIterator
+    operator++(int)
+    {
+        NNTreeIterator t = *this;
+        ++(*this);
+        return t;
+    }
+    NNTreeIterator& operator--();
+    NNTreeIterator
+    operator--(int)
+    {
+        NNTreeIterator t = *this;
+        --(*this);
+        return t;
+    }
+    reference operator*();
+    pointer operator->();
+    bool operator==(NNTreeIterator const& other) const;
+    bool
+    operator!=(NNTreeIterator const& other) const
+    {
+        return !operator==(other);
+    }
+
+    void insertAfter(QPDFObjectHandle key, QPDFObjectHandle value);
+    void remove();
+
+  private:
+    class PathElement
+    {
+      public:
+        PathElement(QPDFObjectHandle const& node, int kid_number);
+
+        QPDFObjectHandle node;
+        int kid_number;
+    };
+
+    NNTreeIterator(NNTreeImpl& impl);
+    void updateIValue(bool allow_invalid = true);
+    bool deepen(QPDFObjectHandle node, bool first, bool allow_empty);
+    void setItemNumber(QPDFObjectHandle const& node, int);
+    void addPathElement(QPDFObjectHandle const& node, int kid_number);
+    QPDFObjectHandle getNextKid(PathElement& element, bool backward);
+    void increment(bool backward);
+    void
+    resetLimits(QPDFObjectHandle node, std::list<PathElement>::iterator parent);
+
+    void
+    split(QPDFObjectHandle to_split, std::list<PathElement>::iterator parent);
+    std::list<PathElement>::iterator lastPathElement();
+
+    NNTreeImpl& impl;
+    std::list<PathElement> path;
+    QPDFObjectHandle node;
+    int item_number;
+    value_type ivalue;
+};
+
+class NNTreeImpl
+{
+    friend class NNTreeIterator;
+
+  public:
+    typedef NNTreeIterator iterator;
+
+    NNTreeImpl(
+        NNTreeDetails const&,
+        QPDF&,
+        QPDFObjectHandle&,
+        bool auto_repair = true);
+    iterator begin();
+    iterator end();
+    iterator last();
+    iterator find(QPDFObjectHandle key, bool return_prev_if_not_found = false);
+    iterator insertFirst(QPDFObjectHandle key, QPDFObjectHandle value);
+    iterator insert(QPDFObjectHandle key, QPDFObjectHandle value);
+    bool remove(QPDFObjectHandle key, QPDFObjectHandle* value = nullptr);
+
+    // Change the split threshold for easier testing. There's no real
+    // reason to expose this to downstream tree helpers, but it has to
+    // be public so we can call it from the test suite.
+    void setSplitThreshold(int split_threshold);
+
+  private:
+    void repair();
+    iterator
+    findInternal(QPDFObjectHandle key, bool return_prev_if_not_found = false);
+    int withinLimits(QPDFObjectHandle key, QPDFObjectHandle node);
+    int binarySearch(
+        QPDFObjectHandle key,
+        QPDFObjectHandle items,
+        int num_items,
+        bool return_prev_if_not_found,
+        int (NNTreeImpl::*compare)(
+            QPDFObjectHandle& key, QPDFObjectHandle& arr, int item));
+    int compareKeyItem(QPDFObjectHandle& key, QPDFObjectHandle& items, int idx);
+    int compareKeyKid(QPDFObjectHandle& key, QPDFObjectHandle& items, int idx);
+
+    NNTreeDetails const& details;
+    QPDF& qpdf;
+    int split_threshold;
+    QPDFObjectHandle oh;
+    bool auto_repair;
+};
+
+#endif // NNTREE_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/OffsetInputSource.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/OffsetInputSource.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_AES_PDF.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_AES_PDF.hh Changed

@@ -2,10 +2,8 @@
 #define PL_AES_PDF_HH
 
 #include <qpdf/Pipeline.hh>
-#include <qpdf/qpdf-config.h>
-#ifdef HAVE_STDINT_H
-# include <stdint.h>
-#endif
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <memory>
 
 // This pipeline implements AES-128 and AES-256 with CBC and block
 // padding as specified in the PDF specification.
@@ -13,54 +11,49 @@
 class Pl_AES_PDF: public Pipeline
 {
   public:
-    QPDF_DLL
     // key should be a pointer to key_bytes bytes of data
-    Pl_AES_PDF(char const* identifier, Pipeline* next,
-	       bool encrypt, unsigned char const* key, unsigned int key_bytes);
-    QPDF_DLL
-    virtual ~Pl_AES_PDF();
-
-    QPDF_DLL
-    virtual void write(unsigned char* data, size_t len);
-    QPDF_DLL
+    Pl_AES_PDF(
+        char const* identifier,
+        Pipeline* next,
+        bool encrypt,
+        unsigned char const* key,
+        size_t key_bytes);
+    virtual ~Pl_AES_PDF() = default;
+
+    virtual void write(unsigned char const* data, size_t len);
     virtual void finish();
 
     // Use zero initialization vector; needed for AESV3
-    QPDF_DLL
     void useZeroIV();
     // Disable padding; needed for AESV3
-    QPDF_DLL
     void disablePadding();
     // Specify an initialization vector, which will not be included in
     // the output.
-    QPDF_DLL
     void setIV(unsigned char const* iv, size_t bytes);
 
     // For testing only; PDF always uses CBC
-    QPDF_DLL
     void disableCBC();
     // For testing only: use a fixed initialization vector for CBC
-    QPDF_DLL
     static void useStaticIV();
 
   private:
     void flush(bool discard_padding);
     void initializeVector();
 
-    static unsigned int const buf_size = 16;
+    static unsigned int const buf_size = QPDFCryptoImpl::rijndael_buf_size;
     static bool use_static_iv;
 
+    std::shared_ptr<QPDFCryptoImpl> crypto;
     bool encrypt;
     bool cbc_mode;
     bool first;
-    size_t offset;              // offset into memory buffer
-    unsigned char* key;
-    uint32_t* rk;
+    size_t offset; // offset into memory buffer
+    std::unique_ptr<unsigned char> key;
+    size_t key_bytes;
     unsigned char inbufbuf_size;
     unsigned char outbufbuf_size;
     unsigned char cbc_blockbuf_size;
     unsigned char specified_ivbuf_size;
-    unsigned int nrounds;
     bool use_zero_iv;
     bool use_specified_iv;
     bool disable_padding;

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_ASCII85Decoder.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_ASCII85Decoder.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_ASCIIHexDecoder.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_ASCIIHexDecoder.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_Base64.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_LZWDecoder.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_LZWDecoder.hh Changed

@@ -9,35 +9,31 @@
 class Pl_LZWDecoder: public Pipeline
 {
   public:
-    QPDF_DLL
-    Pl_LZWDecoder(char const* identifier, Pipeline* next,
-		  bool early_code_change);
-    QPDF_DLL
-    virtual ~Pl_LZWDecoder();
-    QPDF_DLL
-    virtual void write(unsigned char* buf, size_t len);
-    QPDF_DLL
+    Pl_LZWDecoder(
+        char const* identifier, Pipeline* next, bool early_code_change);
+    virtual ~Pl_LZWDecoder() = default;
+    virtual void write(unsigned char const* buf, size_t len);
     virtual void finish();
 
   private:
     void sendNextCode();
-    void handleCode(int code);
-    unsigned char getFirstChar(int code);
+    void handleCode(unsigned int code);
+    unsigned char getFirstChar(unsigned int code);
     void addToTable(unsigned char next);
 
     // members used for converting bits to codes
     unsigned char buf3;
-    int code_size;
-    int next;
-    int byte_pos;
-    int bit_pos;		// left to right: 01234567
-    int bits_available;
+    unsigned int code_size;
+    unsigned int next;
+    unsigned int byte_pos;
+    unsigned int bit_pos; // left to right: 01234567
+    unsigned int bits_available;
 
     // members used for handle LZW decompression
     bool code_change_delta;
     bool eod;
     std::vector<Buffer> table;
-    int last_code;
+    unsigned int last_code;
 };
 
 #endif // PL_LZWDECODER_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_MD5.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_MD5.hh Changed

@@ -9,33 +9,26 @@
 // calling finish().  The first call to write() after a call to
 // finish() initializes a new MD5 object.
 
-#include <qpdf/Pipeline.hh>
 #include <qpdf/MD5.hh>
+#include <qpdf/Pipeline.hh>
 
 class Pl_MD5: public Pipeline
 {
   public:
-    QPDF_DLL
     Pl_MD5(char const* identifier, Pipeline* next);
-    QPDF_DLL
-    virtual ~Pl_MD5();
-    QPDF_DLL
-    virtual void write(unsigned char*, size_t);
-    QPDF_DLL
+    virtual ~Pl_MD5() = default;
+    virtual void write(unsigned char const*, size_t);
     virtual void finish();
-    QPDF_DLL
     std::string getHexDigest();
     // Enable/disable. Disabling the pipeline causes it to become a
     // pass-through. This makes it possible to stick an MD5 pipeline
     // in a pipeline when it may or may not be required. Disabling it
     // avoids incurring the runtime overhead of doing needless
     // digest computation.
-    QPDF_DLL
     void enable(bool enabled);
     // If persistAcrossFinish is called, calls to finish do not
     // finalize the underlying md5 object. In this case, the object is
     // not finalized until getHexDigest() is called.
-    QPDF_DLL
     void persistAcrossFinish(bool);
 
   private:

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_PNGFilter.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_PNGFilter.hh Changed

@@ -15,17 +15,16 @@
     // Encoding is only partially supported
     enum action_e { a_encode, a_decode };
 
-    QPDF_DLL
-    Pl_PNGFilter(char const* identifier, Pipeline* next,
-		 action_e action, unsigned int columns,
-                 unsigned int samples_per_pixel = 1,
-                 unsigned int bits_per_sample = 8);
-    QPDF_DLL
-    virtual ~Pl_PNGFilter();
-
-    QPDF_DLL
-    virtual void write(unsigned char* data, size_t len);
-    QPDF_DLL
+    Pl_PNGFilter(
+        char const* identifier,
+        Pipeline* next,
+        action_e action,
+        unsigned int columns,
+        unsigned int samples_per_pixel = 1,
+        unsigned int bits_per_sample = 8);
+    virtual ~Pl_PNGFilter() = default;
+
+    virtual void write(unsigned char const* data, size_t len);
     virtual void finish();
 
   private:
@@ -41,10 +40,10 @@
     action_e action;
     unsigned int bytes_per_row;
     unsigned int bytes_per_pixel;
-    unsigned char* cur_row;
-    unsigned char* prev_row;
-    unsigned char* buf1;
-    unsigned char* buf2;
+    unsigned char* cur_row;  // points to buf1 or buf2
+    unsigned char* prev_row; // points to buf1 or buf2
+    std::shared_ptr<unsigned char> buf1;
+    std::shared_ptr<unsigned char> buf2;
     size_t pos;
     size_t incoming;
 };

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_RC4.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_RC4.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_SHA2.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_SHA2.hh Changed

@@ -14,37 +14,23 @@
 // called between finish and the next call to write.
 
 #include <qpdf/Pipeline.hh>
-#include <sph/sph_sha2.h>
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <memory>
 
 class Pl_SHA2: public Pipeline
 {
   public:
-    QPDF_DLL
     Pl_SHA2(int bits = 0, Pipeline* next = 0);
-    QPDF_DLL
-    virtual ~Pl_SHA2();
-    QPDF_DLL
-    virtual void write(unsigned char*, size_t);
-    QPDF_DLL
+    virtual ~Pl_SHA2() = default;
+    virtual void write(unsigned char const*, size_t);
     virtual void finish();
-    QPDF_DLL
     void resetBits(int bits);
-    QPDF_DLL
     std::string getHexDigest();
-    QPDF_DLL
     std::string getRawDigest();
 
   private:
-    void badBits();
-
     bool in_progress;
-    int bits;
-    sph_sha256_context ctx256;
-    sph_sha384_context ctx384;
-    sph_sha512_context ctx512;
-    unsigned char sha256sum32;
-    unsigned char sha384sum48;
-    unsigned char sha512sum64;
+    std::shared_ptr<QPDFCryptoImpl> crypto;
 };
 
 #endif // PL_SHA2_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/Pl_TIFFPredictor.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/Pl_TIFFPredictor.hh Changed

@@ -11,17 +11,16 @@
   public:
     enum action_e { a_encode, a_decode };
 
-    QPDF_DLL
-    Pl_TIFFPredictor(char const* identifier, Pipeline* next,
-                     action_e action, unsigned int columns,
-                     unsigned int samples_per_pixel = 1,
-                     unsigned int bits_per_sample = 8);
-    QPDF_DLL
-    virtual ~Pl_TIFFPredictor();
-
-    QPDF_DLL
-    virtual void write(unsigned char* data, size_t len);
-    QPDF_DLL
+    Pl_TIFFPredictor(
+        char const* identifier,
+        Pipeline* next,
+        action_e action,
+        unsigned int columns,
+        unsigned int samples_per_pixel = 1,
+        unsigned int bits_per_sample = 8);
+    virtual ~Pl_TIFFPredictor() = default;
+
+    virtual void write(unsigned char const* data, size_t len);
     virtual void finish();
 
   private:
@@ -32,7 +31,7 @@
     unsigned int bytes_per_row;
     unsigned int samples_per_pixel;
     unsigned int bits_per_sample;
-    unsigned char* cur_row;
+    std::shared_ptr<unsigned char> cur_row;
     size_t pos;
 };

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDFArgParser.hh Added

@@ -0,0 +1,273 @@
+#ifndef QPDFARGPARSER_HH
+#define QPDFARGPARSER_HH
+
+#include <functional>
+#include <map>
+#include <memory>
+#include <set>
+#include <sstream>
+#include <string>
+#include <vector>
+
+// This is not a general-purpose argument parser. It is tightly
+// crafted to work with qpdf. qpdf's command-line syntax is very
+// complex because of its long history, and it doesn't really follow
+// any kind of normal standard for arguments, but it's important for
+// backward compatibility to ensure we don't break what constitutes a
+// valid command. This class handles the quirks of qpdf's argument
+// parsing, bash/zsh completion, and support for @argfile to read
+// arguments from a file. For the qpdf CLI, setup of QPDFArgParser is
+// done mostly by automatically-generated code (one-off code for
+// qpdf), though the handlers themselves are hand-coded. See
+// generate_auto_job at the top of the source tree for details.
+class QPDFArgParser
+{
+  public:
+    // progname_env is used to override argv0 when figuring out the
+    // name of the executable for setting up completion. This may be
+    // needed if the program is invoked by a wrapper.
+    QPDFArgParser(int argc, char const* const argv, char const* progname_env);
+
+    // Calls exit(0) if a help option is given or if in completion
+    // mode. If there are argument parsing errors, QPDFUsage is
+    // thrown.
+    void parseArgs();
+
+    // Return the program name as the last path element of the program
+    // executable.
+    std::string getProgname();
+
+    // Methods for registering arguments. QPDFArgParser starts off
+    // with the main option table selected. You can add handlers for
+    // arguments in the current option table, and you can select which
+    // option table is current. The help option table is special and
+    // contains arguments that are only valid as the first and only
+    // option. Named option tables are for subparsers and always start
+    // a series of options that end with `--`.
+
+    typedef std::function<void()> bare_arg_handler_t;
+    typedef std::function<void(std::string const&)> param_arg_handler_t;
+
+    void selectMainOptionTable();
+    void selectHelpOptionTable();
+    void selectOptionTable(std::string const& name);
+
+    // Register a new options table. This also selects the option table.
+    void registerOptionTable(
+        std::string const& name, bare_arg_handler_t end_handler);
+
+    // Add handlers for options in the current table
+
+    void addPositional(param_arg_handler_t);
+    void addBare(std::string const& arg, bare_arg_handler_t);
+    void addRequiredParameter(
+        std::string const& arg,
+        param_arg_handler_t,
+        char const* parameter_name);
+    void addOptionalParameter(std::string const& arg, param_arg_handler_t);
+    void addChoices(
+        std::string const& arg,
+        param_arg_handler_t,
+        bool required,
+        char const** choices);
+
+    // The default behavior when an invalid choice is specified with
+    // an option that takes choices is to list all the choices. This
+    // may not be good if there are too many choices, so you can
+    // provide your own handler in this case.
+    void addInvalidChoiceHandler(std::string const& arg, param_arg_handler_t);
+
+    // The final check handler is called at the very end of argument
+    // parsing.
+    void addFinalCheck(bare_arg_handler_t);
+
+    // Help generation methods
+
+    // Help is available on topics and options. Options may be
+    // associated with topics. Users can run --help, --help=topic, or
+    // --help=--arg to get help. The top-level help tells the user how
+    // to run help and lists available topics. Help for a topic prints
+    // a short synopsis about the topic and lists any options that may
+    // be associated with the topic. Help for an option provides a
+    // short synopsis for that option. All help output is appended
+    // with a blurb (if supplied) directing the user to the full
+    // documentation. Help is not shown for options for which help has
+    // not been added. This makes it possible to have undocumented
+    // options for testing, backward-compatibility, etc. Also, it
+    // could be quite confusing to handle appropriate help for some
+    // inner options that may be repeated with different semantics
+    // inside different option tables. There is also no checking for
+    // whether an option that has help actually exists. In other
+    // words, it's up to the caller to ensure that help actually
+    // corresponds to the program's actual options. Rather than this
+    // being an intentional design decision, it is because this class
+    // is specifically for qpdf, qpdf generates its help and has other
+    // means to ensure consistency.
+
+    // Note about newlines:
+    //
+    // short_text should fit easily after the topic/option on the same
+    // line and should not end with a newline. Keep it to around 40 to
+    // 60 characters.
+    //
+    // long_text and footer should end with a single newline. They can
+    // have embedded newlines. Keep lines to under 80 columns.
+    //
+    // QPDFArgParser does reformat the text, but it may add blank
+    // lines in some situations. Following the above conventions will
+    // keep the help looking uniform.
+
+    // If provided, this footer is appended to all help, separated by
+    // a blank line.
+    void addHelpFooter(std::string const&);
+
+    // Add a help topic along with the text for that topic
+    void addHelpTopic(
+        std::string const& topic,
+        std::string const& short_text,
+        std::string const& long_text);
+
+    // Add help for an option, and associate it with a topic.
+    void addOptionHelp(
+        std::string const& option_name,
+        std::string const& topic,
+        std::string const& short_text,
+        std::string const& long_text);
+
+    // Return the help text for a topic or option. Passing a null
+    // pointer returns the top-level help information. Passing an
+    // unknown value returns a string directing the user to run the
+    // top-level --help option.
+    std::string getHelp(std::string const& topic_or_option);
+
+    // Convenience methods for adding member functions of a class as
+    // handlers.
+    template <class T>
+    static bare_arg_handler_t
+    bindBare(void (T::*f)(), T* o)
+    {
+        return std::bind(std::mem_fn(f), o);
+    }
+    template <class T>
+    static param_arg_handler_t
+    bindParam(void (T::*f)(std::string const&), T* o)
+    {
+        return std::bind(std::mem_fn(f), o, std::placeholders::_1);
+    }
+
+    // When processing arguments, indicate how many arguments remain
+    // after the one whose handler is being called.
+    int argsLeft() const;
+
+    // Indicate whether we are in completion mode.
+    bool isCompleting() const;
+
+    // Insert a completion during argument parsing; useful for
+    // customizing completion in the position argument handler. Should
+    // only be used in completion mode.
+    void insertCompletion(std::string const&);
+
+    // Throw a Usage exception with the given message. In completion
+    // mode, this just exits to prevent errors from partial commands
+    // or other error messages from messing up completion.
+    void usage(std::string const& message);
+
+  private:
+    struct OptionEntry
+    {
+        OptionEntry() :
+            parameter_needed(false),
+            bare_arg_handler(0),
+            param_arg_handler(0),
+            invalid_choice_handler(0)
+        {
+        }
+        bool parameter_needed;
+        std::string parameter_name;
+        std::set<std::string> choices;
+        bare_arg_handler_t bare_arg_handler;
+        param_arg_handler_t param_arg_handler;
+        param_arg_handler_t invalid_choice_handler;
+    };
+    typedef std::map<std::string, OptionEntry> option_table_t;
+
+    struct HelpTopic
+    {
+        HelpTopic() = default;
+        HelpTopic(std::string const& short_text, std::string const& long_text) :
+            short_text(short_text),
+            long_text(long_text)
+        {
+        }
+
+        std::string short_text;
+        std::string long_text;
+        std::set<std::string> options;
+    };
+
+    OptionEntry& registerArg(std::string const& arg);
+
+    void completionCommon(bool zsh);
+
+    void argCompletionBash();
+    void argCompletionZsh();
+    void argHelp(std::string const&);
+    void invalidHelpArg(std::string const&);
+
+    void checkCompletion();
+    void handleArgFileArguments();
+    void handleBashArguments();
+    void readArgsFromFile(std::string const& filename);
+    void doFinalChecks();
+    void addOptionsToCompletions(option_table_t&);
+    void addChoicesToCompletions(
+        option_table_t&, std::string const&, std::string const&);
+    void
+    insertCompletions(option_table_t&, std::string const&, std::string const&);
+    void handleCompletion();
+
+    void getTopHelp(std::ostringstream&);
+    void getAllHelp(std::ostringstream&);
+    void getTopicHelp(
+        std::string const& name, HelpTopic const&, std::ostringstream&);
+
+    class Members
+    {
+        friend class QPDFArgParser;
+
+      public:
+        ~Members() = default;
+
+      private:
+        Members(int argc, char const* const argv, char const* progname_env);
+        Members(Members const&) = delete;
+
+        int argc;
+        char const* const* argv;
+        std::string whoami;
+        std::string progname_env;
+        int cur_arg;
+        bool bash_completion;
+        bool zsh_completion;
+        std::string bash_prev;
+        std::string bash_cur;
+        std::string bash_line;
+        std::set<std::string> completions;
+        std::map<std::string, option_table_t> option_tables;
+        option_table_t main_option_table;
+        option_table_t help_option_table;
+        option_table_t* option_table;
+        std::string option_table_name;
+        bare_arg_handler_t final_check_handler;
+        std::vector<std::shared_ptr<char const>> new_argv;
+        std::vector<std::shared_ptr<char const>> bash_argv;
+        std::shared_ptr<char const*> argv_ph;
+        std::shared_ptr<char const*> bash_argv_ph;
+        std::map<std::string, HelpTopic> help_topics;
+        std::map<std::string, HelpTopic> option_help;
+        std::string help_footer;
+    };
+    std::shared_ptr<Members> m;
+};
+
+#endif // QPDFARGPARSER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDFCrypto_gnutls.hh Added

@@ -0,0 +1,60 @@
+#ifndef QPDFCRYPTO_GNUTLS_HH
+#define QPDFCRYPTO_GNUTLS_HH
+
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <memory>
+
+// gnutls headers must be last to prevent them from interfering with
+// other headers. gnutls.h has to be included first.
+#include <gnutls/gnutls.h>
+// This comment prevents clang-format from putting crypto.h before gnutls.h
+#include <gnutls/crypto.h>
+
+class QPDFCrypto_gnutls: public QPDFCryptoImpl
+{
+  public:
+    QPDFCrypto_gnutls();
+
+    virtual ~QPDFCrypto_gnutls();
+
+    virtual void provideRandomData(unsigned char* data, size_t len);
+
+    virtual void MD5_init();
+    virtual void MD5_update(unsigned char const* data, size_t len);
+    virtual void MD5_finalize();
+    virtual void MD5_digest(MD5_Digest);
+
+    virtual void RC4_init(unsigned char const* key_data, int key_len = -1);
+    virtual void RC4_process(
+        unsigned char const* in_data, size_t len, unsigned char* out_data = 0);
+    virtual void RC4_finalize();
+
+    virtual void SHA2_init(int bits);
+    virtual void SHA2_update(unsigned char const* data, size_t len);
+    virtual void SHA2_finalize();
+    virtual std::string SHA2_digest();
+
+    virtual void rijndael_init(
+        bool encrypt,
+        unsigned char const* key_data,
+        size_t key_len,
+        bool cbc_mode,
+        unsigned char* cbc_block);
+    virtual void
+    rijndael_process(unsigned char* in_data, unsigned char* out_data);
+    virtual void rijndael_finalize();
+
+  private:
+    void badBits();
+
+    gnutls_hash_hd_t hash_ctx;
+    gnutls_cipher_hd_t cipher_ctx;
+    int sha2_bits;
+    bool encrypt;
+    bool cbc_mode;
+    char digest64;
+    unsigned char const* aes_key_data;
+    size_t aes_key_len;
+};
+
+#endif // QPDFCRYPTO_GNUTLS_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDFCrypto_native.hh Added

@@ -0,0 +1,52 @@
+#ifndef QPDFCRYPTO_NATIVE_HH
+#define QPDFCRYPTO_NATIVE_HH
+
+#include <qpdf/AES_PDF_native.hh>
+#include <qpdf/MD5_native.hh>
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <qpdf/RC4_native.hh>
+#include <qpdf/SHA2_native.hh>
+#include <memory>
+
+class QPDFCrypto_native: public QPDFCryptoImpl
+{
+  public:
+    QPDFCrypto_native() = default;
+
+    virtual ~QPDFCrypto_native() = default;
+
+    virtual void provideRandomData(unsigned char* data, size_t len);
+
+    virtual void MD5_init();
+    virtual void MD5_update(unsigned char const* data, size_t len);
+    virtual void MD5_finalize();
+    virtual void MD5_digest(MD5_Digest);
+
+    virtual void RC4_init(unsigned char const* key_data, int key_len = -1);
+    virtual void RC4_process(
+        unsigned char const* in_data, size_t len, unsigned char* out_data = 0);
+    virtual void RC4_finalize();
+
+    virtual void SHA2_init(int bits);
+    virtual void SHA2_update(unsigned char const* data, size_t len);
+    virtual void SHA2_finalize();
+    virtual std::string SHA2_digest();
+
+    virtual void rijndael_init(
+        bool encrypt,
+        unsigned char const* key_data,
+        size_t key_len,
+        bool cbc_mode,
+        unsigned char* cbc_block);
+    virtual void
+    rijndael_process(unsigned char* in_data, unsigned char* out_data);
+    virtual void rijndael_finalize();
+
+  private:
+    std::shared_ptr<MD5_native> md5;
+    std::shared_ptr<RC4_native> rc4;
+    std::shared_ptr<SHA2_native> sha2;
+    std::shared_ptr<AES_PDF_native> aes_pdf;
+};
+
+#endif // QPDFCRYPTO_NATIVE_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDFCrypto_openssl.hh Added

@@ -0,0 +1,74 @@
+#ifndef QPDFCRYPTO_OPENSSL_HH
+#define QPDFCRYPTO_OPENSSL_HH
+
+#include <qpdf/QPDFCryptoImpl.hh>
+#include <string>
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wold-style-cast"
+#endif
+#include <openssl/opensslv.h>
+#if !defined(OPENSSL_VERSION_MAJOR) || OPENSSL_VERSION_MAJOR < 3
+# define QPDF_OPENSSL_1
+#endif
+#include <openssl/rand.h>
+#ifdef OPENSSL_IS_BORINGSSL
+# include <openssl/cipher.h>
+# include <openssl/digest.h>
+#else
+# include <openssl/evp.h>
+#endif
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic pop
+#endif
+
+class QPDFCrypto_openssl: public QPDFCryptoImpl
+{
+  public:
+    QPDFCrypto_openssl();
+    ~QPDFCrypto_openssl() override;
+
+    void provideRandomData(unsigned char* data, size_t len) override;
+
+    void MD5_init() override;
+    void MD5_update(unsigned char const* data, size_t len) override;
+    void MD5_finalize() override;
+    void MD5_digest(MD5_Digest) override;
+
+    void RC4_init(unsigned char const* key_data, int key_len = -1) override;
+    void RC4_process(
+        unsigned char const* in_data,
+        size_t len,
+        unsigned char* out_data = 0) override;
+    void RC4_finalize() override;
+
+    void SHA2_init(int bits) override;
+    void SHA2_update(unsigned char const* data, size_t len) override;
+    void SHA2_finalize() override;
+    std::string SHA2_digest() override;
+
+    void rijndael_init(
+        bool encrypt,
+        unsigned char const* key_data,
+        size_t key_len,
+        bool cbc_mode,
+        unsigned char* cbc_block) override;
+    void
+    rijndael_process(unsigned char* in_data, unsigned char* out_data) override;
+    void rijndael_finalize() override;
+
+  private:
+#ifdef QPDF_OPENSSL_1
+    EVP_CIPHER const* rc4;
+#else
+    OSSL_LIB_CTX* libctx;
+    OSSL_PROVIDER* legacy;
+    EVP_CIPHER* rc4;
+#endif
+    EVP_MD_CTX* const md_ctx;
+    EVP_CIPHER_CTX* const cipher_ctx;
+    uint8_t md_outEVP_MAX_MD_SIZE;
+    size_t sha2_bits;
+};
+
+#endif // QPDFCRYPTO_OPENSSL_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDFObject_private.hh Added

@@ -0,0 +1,156 @@
+#ifndef QPDFOBJECT_HH
+#define QPDFOBJECT_HH
+
+// NOTE: This file is called QPDFObject_private.hh instead of
+// QPDFObject.hh because of include/qpdf/QPDFObject.hh. See comments
+// there for an explanation.
+
+#include <qpdf/Constants.h>
+#include <qpdf/DLL.h>
+#include <qpdf/JSON.hh>
+#include <qpdf/QPDFValue.hh>
+#include <qpdf/Types.h>
+
+#include <string>
+
+class QPDF;
+class QPDFObjectHandle;
+
+class QPDFObject
+{
+    friend class QPDFValue;
+
+  public:
+    QPDFObject() = default;
+
+    std::shared_ptr<QPDFObject>
+    shallowCopy()
+    {
+        return value->shallowCopy();
+    }
+    std::string
+    unparse()
+    {
+        return value->unparse();
+    }
+    JSON
+    getJSON(int json_version)
+    {
+        return value->getJSON(json_version);
+    }
+
+    // Return a unique type code for the object
+    qpdf_object_type_e
+    getTypeCode() const
+    {
+        return value->type_code;
+    }
+
+    // Return a string literal that describes the type, useful for
+    // debugging and testing
+    char const*
+    getTypeName() const
+    {
+        return value->type_name;
+    }
+
+    QPDF*
+    getQPDF() const
+    {
+        return value->qpdf;
+    }
+    QPDFObjGen
+    getObjGen() const
+    {
+        return value->og;
+    }
+
+    void
+    setDescription(QPDF* qpdf, std::string const& description)
+    {
+        return value->setDescription(qpdf, description);
+    }
+    bool
+    getDescription(QPDF*& qpdf, std::string& description)
+    {
+        return value->getDescription(qpdf, description);
+    }
+    bool
+    hasDescription()
+    {
+        return value->hasDescription();
+    }
+    void
+    setParsedOffset(qpdf_offset_t offset)
+    {
+        value->setParsedOffset(offset);
+    }
+    qpdf_offset_t
+    getParsedOffset()
+    {
+        return value->getParsedOffset();
+    }
+    void
+    assign(std::shared_ptr<QPDFObject> o)
+    {
+        value = o->value;
+    }
+    void
+    swapWith(std::shared_ptr<QPDFObject> o)
+    {
+        auto v = value;
+        value = o->value;
+        o->value = v;
+        auto og = value->og;
+        value->og = o->value->og;
+        o->value->og = og;
+    }
+
+    void
+    setObjGen(QPDF* qpdf, QPDFObjGen const& og)
+    {
+        // Intended for use by the QPDF class
+        value->qpdf = qpdf;
+        value->og = og;
+    }
+    void
+    disconnect()
+    {
+        // Disconnect an object from its owning QPDF. This is called
+        // by QPDF's destructor.
+        value->disconnect();
+        value->qpdf = nullptr;
+        value->og = QPDFObjGen();
+    }
+    // Mark an object as destroyed. Used by QPDF's destructor for its
+    // indirect objects.
+    void destroy();
+
+    bool
+    isUnresolved() const
+    {
+        return value->type_code == ::ot_unresolved;
+    }
+    void
+    resolve()
+    {
+        if (isUnresolved()) {
+            doResolve();
+        }
+    }
+    void doResolve();
+
+    template <typename T>
+    T*
+    as()
+    {
+        return dynamic_cast<T*>(value.get());
+    }
+
+  private:
+    QPDFObject(QPDFObject const&) = delete;
+    QPDFObject& operator=(QPDFObject const&) = delete;
+    std::shared_ptr<QPDFValue> value;
+};
+
+#endif // QPDFOBJECT_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDFParser.hh Added

@@ -0,0 +1,53 @@
+#ifndef QPDFPARSER_HH
+#define QPDFPARSER_HH
+
+#include <qpdf/QPDFObjectHandle.hh>
+
+#include <memory>
+#include <string>
+
+class QPDFParser
+{
+  public:
+    QPDFParser() = delete;
+    QPDFParser(
+        std::shared_ptr<InputSource> input,
+        std::string const& object_description,
+        QPDFTokenizer& tokenizer,
+        QPDFObjectHandle::StringDecrypter* decrypter,
+        QPDF* context) :
+        input(input),
+        object_description(object_description),
+        tokenizer(tokenizer),
+        decrypter(decrypter),
+        context(context)
+    {
+    }
+    virtual ~QPDFParser() = default;
+
+    QPDFObjectHandle parse(bool& empty, bool content_stream);
+
+  private:
+    enum parser_state_e {
+        st_top,
+        st_start,
+        st_stop,
+        st_eof,
+        st_dictionary,
+        st_array
+    };
+
+    void warn(qpdf_offset_t offset, std::string const& msg) const;
+    void warn(std::string const& msg) const;
+    static void warn(QPDF*, QPDFExc const&);
+    void setParsedOffset(qpdf_offset_t offset);
+    void
+    setDescriptionFromInput(QPDFObjectHandle oh, qpdf_offset_t offset) const;
+    std::shared_ptr<InputSource> input;
+    std::string const& object_description;
+    QPDFTokenizer& tokenizer;
+    QPDFObjectHandle::StringDecrypter* decrypter;
+    QPDF* context;
+};
+
+#endif // QPDFPARSER_HH

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDFValue.hh Added

@@ -0,0 +1,109 @@
+#ifndef QPDFVALUE_HH
+#define QPDFVALUE_HH
+
+#include <qpdf/Constants.h>
+#include <qpdf/DLL.h>
+#include <qpdf/JSON.hh>
+#include <qpdf/QPDFObjGen.hh>
+#include <qpdf/Types.h>
+
+#include <string>
+
+class QPDF;
+class QPDFObjectHandle;
+class QPDFObject;
+
+class QPDFValue
+{
+    friend class QPDFObject;
+
+  public:
+    virtual ~QPDFValue() = default;
+
+    virtual std::shared_ptr<QPDFObject> shallowCopy() = 0;
+    virtual std::string unparse() = 0;
+    virtual JSON getJSON(int json_version) = 0;
+    virtual void
+    setDescription(QPDF* qpdf_p, std::string const& description)
+    {
+        qpdf = qpdf_p;
+        object_description = description;
+    }
+    bool
+    getDescription(QPDF*& qpdf_p, std::string& description)
+    {
+        qpdf_p = qpdf;
+        description = object_description;
+        return qpdf != nullptr;
+    }
+    bool
+    hasDescription()
+    {
+        return qpdf != nullptr && !object_description.empty();
+    }
+    void
+    setParsedOffset(qpdf_offset_t offset)
+    {
+        if (parsed_offset < 0) {
+            parsed_offset = offset;
+        }
+    }
+    qpdf_offset_t
+    getParsedOffset()
+    {
+        return parsed_offset;
+    }
+    QPDF*
+    getQPDF()
+    {
+        return qpdf;
+    }
+    QPDFObjGen
+    getObjGen()
+    {
+        return og;
+    }
+    virtual void
+    disconnect()
+    {
+    }
+
+  protected:
+    QPDFValue() :
+        type_code(::ot_uninitialized),
+        type_name("uninitialized")
+    {
+    }
+    QPDFValue(qpdf_object_type_e type_code, char const* type_name) :
+        type_code(type_code),
+        type_name(type_name)
+    {
+    }
+    QPDFValue(
+        qpdf_object_type_e type_code,
+        char const* type_name,
+        QPDF* qpdf,
+        QPDFObjGen const& og) :
+        type_code(type_code),
+        type_name(type_name),
+        qpdf(qpdf),
+        og(og)
+    {
+    }
+
+    static std::shared_ptr<QPDFObject> do_create(QPDFValue*);
+
+  private:
+    QPDFValue(QPDFValue const&) = delete;
+    QPDFValue& operator=(QPDFValue const&) = delete;
+    std::string object_description;
+    qpdf_offset_t parsed_offset{-1};
+    const qpdf_object_type_e type_code;
+    char const* type_name;
+
+  protected:
+    QPDF* qpdf{nullptr};
+    QPDFObjGen og;
+};
+
+#endif // QPDFVALUE_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Array.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Array.hh Changed

@@ -1,25 +1,27 @@
 #ifndef QPDF_ARRAY_HH
 #define QPDF_ARRAY_HH
 
-#include <qpdf/QPDFObject.hh>
+#include <qpdf/QPDFValue.hh>
 
+#include <qpdf/SparseOHArray.hh>
+#include <list>
 #include <vector>
-#include <qpdf/QPDFObjectHandle.hh>
 
-class QPDF_Array: public QPDFObject
+class QPDF_Array: public QPDFValue
 {
   public:
-    QPDF_Array(std::vector<QPDFObjectHandle> const& items);
-    virtual ~QPDF_Array();
+    virtual ~QPDF_Array() = default;
+    static std::shared_ptr<QPDFObject>
+    create(std::vector<QPDFObjectHandle> const& items);
+    static std::shared_ptr<QPDFObject> create(SparseOHArray const& items);
+    virtual std::shared_ptr<QPDFObject> shallowCopy();
     virtual std::string unparse();
-    virtual JSON getJSON();
-    virtual QPDFObject::object_type_e getTypeCode() const;
-    virtual char const* getTypeName() const;
-    virtual void setDescription(QPDF*, std::string const&);
+    virtual JSON getJSON(int json_version);
+    virtual void disconnect();
 
     int getNItems() const;
     QPDFObjectHandle getItem(int n) const;
-    std::vector<QPDFObjectHandle> const& getAsVector() const;
+    void getAsVector(std::vector<QPDFObjectHandle>&) const;
 
     void setItem(int, QPDFObjectHandle const&);
     void setFromVector(std::vector<QPDFObjectHandle> const& items);
@@ -27,11 +29,15 @@
     void appendItem(QPDFObjectHandle const& item);
     void eraseItem(int at);
 
-  protected:
-    virtual void releaseResolved();
+    // Helper methods for QPDF and QPDFObjectHandle -- these are
+    // public methods since the whole class is not part of the public
+    // API. Otherwise, these would be wrapped in accessor classes.
+    void addExplicitElementsToList(std::list<QPDFObjectHandle>&) const;
 
   private:
-    std::vector<QPDFObjectHandle> items;
+    QPDF_Array(std::vector<QPDFObjectHandle> const& items);
+    QPDF_Array(SparseOHArray const& items);
+    SparseOHArray elements;
 };
 
 #endif // QPDF_ARRAY_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Bool.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Bool.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Destroyed.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Dictionary.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Dictionary.hh Changed

@@ -1,23 +1,23 @@
 #ifndef QPDF_DICTIONARY_HH
 #define QPDF_DICTIONARY_HH
 
-#include <qpdf/QPDFObject.hh>
+#include <qpdf/QPDFValue.hh>
 
-#include <set>
 #include <map>
+#include <set>
 
 #include <qpdf/QPDFObjectHandle.hh>
 
-class QPDF_Dictionary: public QPDFObject
+class QPDF_Dictionary: public QPDFValue
 {
   public:
-    QPDF_Dictionary(std::map<std::string, QPDFObjectHandle> const& items);
-    virtual ~QPDF_Dictionary();
+    virtual ~QPDF_Dictionary() = default;
+    static std::shared_ptr<QPDFObject>
+    create(std::map<std::string, QPDFObjectHandle> const& items);
+    virtual std::shared_ptr<QPDFObject> shallowCopy();
     virtual std::string unparse();
-    virtual JSON getJSON();
-    virtual QPDFObject::object_type_e getTypeCode() const;
-    virtual char const* getTypeName() const;
-    virtual void setDescription(QPDF*, std::string const&);
+    virtual JSON getJSON(int json_version);
+    virtual void disconnect();
 
     // hasKey() and getKeys() treat keys with null values as if they
     // aren't there.  getKey() returns null for the value of a
@@ -27,17 +27,14 @@
     std::set<std::string> getKeys();
     std::map<std::string, QPDFObjectHandle> const& getAsMap() const;
 
-    // Replace value of key, adding it if it does not exist
-    void replaceKey(std::string const& key, QPDFObjectHandle);
+    // If value is null, remove key; otherwise, replace the value of
+    // key, adding it if it does not exist.
+    void replaceKey(std::string const& key, QPDFObjectHandle value);
     // Remove key, doing nothing if key does not exist
     void removeKey(std::string const& key);
-    // If object is null, replace key; otherwise, remove key
-    void replaceOrRemoveKey(std::string const& key, QPDFObjectHandle);
-
-  protected:
-    virtual void releaseResolved();
 
   private:
+    QPDF_Dictionary(std::map<std::string, QPDFObjectHandle> const& items);
     std::map<std::string, QPDFObjectHandle> items;
 };

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_InlineImage.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_InlineImage.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Integer.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Integer.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Name.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Name.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Null.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Null.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Operator.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Operator.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Real.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Real.hh Changed

@@ -1,21 +1,23 @@
 #ifndef QPDF_REAL_HH
 #define QPDF_REAL_HH
 
-#include <qpdf/QPDFObject.hh>
+#include <qpdf/QPDFValue.hh>
 
-class QPDF_Real: public QPDFObject
+class QPDF_Real: public QPDFValue
 {
   public:
-    QPDF_Real(std::string const& val);
-    QPDF_Real(double value, int decimal_places = 0);
-    virtual ~QPDF_Real();
+    virtual ~QPDF_Real() = default;
+    static std::shared_ptr<QPDFObject> create(std::string const& val);
+    static std::shared_ptr<QPDFObject>
+    create(double value, int decimal_places, bool trim_trailing_zeroes);
+    virtual std::shared_ptr<QPDFObject> shallowCopy();
     virtual std::string unparse();
-    virtual JSON getJSON();
-    virtual QPDFObject::object_type_e getTypeCode() const;
-    virtual char const* getTypeName() const;
+    virtual JSON getJSON(int json_version);
     std::string getVal();
 
   private:
+    QPDF_Real(std::string const& val);
+    QPDF_Real(double value, int decimal_places, bool trim_trailing_zeroes);
     // Store reals as strings to avoid roundoff errors.
     std::string val;
 };

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Reserved.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Reserved.hh Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_Stream.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Stream.hh Changed

@@ -3,90 +3,116 @@
 
 #include <qpdf/Types.h>
 
-#include <qpdf/QPDFObject.hh>
 #include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDFStreamFilter.hh>
+#include <qpdf/QPDFValue.hh>
+
+#include <functional>
+#include <memory>
 
 class Pipeline;
 class QPDF;
 
-class QPDF_Stream: public QPDFObject
+class QPDF_Stream: public QPDFValue
 {
   public:
-    QPDF_Stream(QPDF*, int objid, int generation,
-		QPDFObjectHandle stream_dict,
-		qpdf_offset_t offset, size_t length);
-    virtual ~QPDF_Stream();
+    virtual ~QPDF_Stream() = default;
+    static std::shared_ptr<QPDFObject> create(
+        QPDF*,
+        QPDFObjGen const& og,
+        QPDFObjectHandle stream_dict,
+        qpdf_offset_t offset,
+        size_t length);
+    virtual std::shared_ptr<QPDFObject> shallowCopy();
     virtual std::string unparse();
-    virtual JSON getJSON();
-    virtual QPDFObject::object_type_e getTypeCode() const;
-    virtual char const* getTypeName() const;
+    virtual JSON getJSON(int json_version);
     virtual void setDescription(QPDF*, std::string const&);
+    virtual void disconnect();
     QPDFObjectHandle getDict() const;
     bool isDataModified() const;
+    void setFilterOnWrite(bool);
+    bool getFilterOnWrite() const;
 
     // Methods to help QPDF copy foreign streams
     qpdf_offset_t getOffset() const;
     size_t getLength() const;
-    PointerHolder<Buffer> getStreamDataBuffer() const;
-    PointerHolder<QPDFObjectHandle::StreamDataProvider> getStreamDataProvider() const;
+    std::shared_ptr<Buffer> getStreamDataBuffer() const;
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider>
+    getStreamDataProvider() const;
 
     // See comments in QPDFObjectHandle.hh for these methods.
-    bool pipeStreamData(Pipeline*,
-                        unsigned long encode_flags,
-                        qpdf_stream_decode_level_e decode_level,
-                        bool suppress_warnings, bool will_retry);
-    PointerHolder<Buffer> getStreamData(qpdf_stream_decode_level_e);
-    PointerHolder<Buffer> getRawStreamData();
-    void replaceStreamData(PointerHolder<Buffer> data,
-			   QPDFObjectHandle const& filter,
-			   QPDFObjectHandle const& decode_parms);
+    bool pipeStreamData(
+        Pipeline*,
+        bool* tried_filtering,
+        int encode_flags,
+        qpdf_stream_decode_level_e decode_level,
+        bool suppress_warnings,
+        bool will_retry);
+    std::shared_ptr<Buffer> getStreamData(qpdf_stream_decode_level_e);
+    std::shared_ptr<Buffer> getRawStreamData();
+    void replaceStreamData(
+        std::shared_ptr<Buffer> data,
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms);
     void replaceStreamData(
-	PointerHolder<QPDFObjectHandle::StreamDataProvider> provider,
-	QPDFObjectHandle const& filter,
-	QPDFObjectHandle const& decode_parms);
-    void addTokenFilter(
-        PointerHolder<QPDFObjectHandle::TokenFilter> token_filter);
+        std::shared_ptr<QPDFObjectHandle::StreamDataProvider> provider,
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms);
+    void
+    addTokenFilter(std::shared_ptr<QPDFObjectHandle::TokenFilter> token_filter);
+    JSON getStreamJSON(
+        int json_version,
+        qpdf_json_stream_data_e json_data,
+        qpdf_stream_decode_level_e decode_level,
+        Pipeline* p,
+        std::string const& data_filename);
 
-    void replaceDict(QPDFObjectHandle new_dict);
+    void replaceDict(QPDFObjectHandle const& new_dict);
+
+    static void registerStreamFilter(
+        std::string const& filter_name,
+        std::function<std::shared_ptr<QPDFStreamFilter>()> factory);
 
     // Replace object ID and generation.  This may only be called if
     // object ID and generation are 0.  It is used by QPDFObjectHandle
     // when adding streams to files.
-    void setObjGen(int objid, int generation);
-
-  protected:
-    virtual void releaseResolved();
+    void setObjGen(QPDFObjGen const& og);
 
   private:
+    QPDF_Stream(
+        QPDF*,
+        QPDFObjGen const& og,
+        QPDFObjectHandle stream_dict,
+        qpdf_offset_t offset,
+        size_t length);
     static std::map<std::string, std::string> filter_abbreviations;
+    static std::
+        map<std::string, std::function<std::shared_ptr<QPDFStreamFilter>()>>
+            filter_factories;
 
-    void replaceFilterData(QPDFObjectHandle const& filter,
-			   QPDFObjectHandle const& decode_parms,
-			   size_t length);
-    bool understandDecodeParams(
-        std::string const& filter, QPDFObjectHandle decode_params,
-        int& predictor, int& columns,
-        int& colors, int& bits_per_component,
-        bool& early_code_change);
-    bool filterable(std::vector<std::string>& filters,
-                    bool& specialized_compression, bool& lossy_compression,
-		    int& predictor, int& columns,
-                    int& colors, int& bits_per_component,
-                    bool& early_code_change);
-    void warn(QPDFExc const& e);
+    void replaceFilterData(
+        QPDFObjectHandle const& filter,
+        QPDFObjectHandle const& decode_parms,
+        size_t length);
+    bool filterable(
+        std::vector<std::shared_ptr<QPDFStreamFilter>>& filters,
+        bool& specialized_compression,
+        bool& lossy_compression);
+    void warn(
+        qpdf_error_code_e error_code,
+        qpdf_offset_t offset,
+        std::string const& message);
     void setDictDescription();
-    void setStreamDescription();
 
     QPDF* qpdf;
-    int objid;
-    int generation;
+    QPDFObjGen og;
+    bool filter_on_write;
     QPDFObjectHandle stream_dict;
     qpdf_offset_t offset;
     size_t length;
-    PointerHolder<Buffer> stream_data;
-    PointerHolder<QPDFObjectHandle::StreamDataProvider> stream_provider;
-    std::vector<
-        PointerHolder<QPDFObjectHandle::TokenFilter> > token_filters;
+    std::shared_ptr<Buffer> stream_data;
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> stream_provider;
+    std::vector<std::shared_ptr<QPDFObjectHandle::TokenFilter>> token_filters;
 };
 
 #endif // QPDF_STREAM_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDF_String.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_String.hh Changed

@@ -1,25 +1,29 @@
 #ifndef QPDF_STRING_HH
 #define QPDF_STRING_HH
 
-#include <qpdf/QPDFObject.hh>
+#include <qpdf/QPDFValue.hh>
 
 // QPDF_Strings may included embedded null characters.
 
-class QPDF_String: public QPDFObject
+class QPDF_String: public QPDFValue
 {
+    friend class QPDFWriter;
+
   public:
-    QPDF_String(std::string const& val);
-    static QPDF_String* new_utf16(std::string const& utf8_val);
-    virtual ~QPDF_String();
+    virtual ~QPDF_String() = default;
+    static std::shared_ptr<QPDFObject> create(std::string const& val);
+    static std::shared_ptr<QPDFObject>
+    create_utf16(std::string const& utf8_val);
+    virtual std::shared_ptr<QPDFObject> shallowCopy();
     virtual std::string unparse();
-    virtual QPDFObject::object_type_e getTypeCode() const;
-    virtual char const* getTypeName() const;
     std::string unparse(bool force_binary);
-    virtual JSON getJSON();
+    virtual JSON getJSON(int json_version);
     std::string getVal() const;
     std::string getUTF8Val() const;
 
   private:
+    QPDF_String(std::string const& val);
+    bool useHexString() const;
     std::string val;
 };

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/QPDF_Unresolved.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/RC4.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/RC4.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/RC4_native.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/ResourceFinder.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SF_ASCII85Decode.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SF_ASCIIHexDecode.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SF_DCTDecode.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SF_FlateLzwDecode.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SF_RunLengthDecode.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SHA2_native.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/SecureRandomDataProvider.hh -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SecureRandomDataProvider.hh Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/SparseOHArray.hh Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/assert_debug.h Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/assert_test.h Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/auto_job_decl.hh Added

@@ -0,0 +1,44 @@
+//
+// This file is automatically generated by generate_auto_job.
+// Edits will be automatically overwritten if the build is
+// run in maintainer mode.
+//
+// clang-format off
+//
+static constexpr char const* O_PAGES = "pages";
+static constexpr char const* O_ENCRYPTION = "encryption";
+static constexpr char const* O_40_BIT_ENCRYPTION = "40-bit encryption";
+static constexpr char const* O_128_BIT_ENCRYPTION = "128-bit encryption";
+static constexpr char const* O_256_BIT_ENCRYPTION = "256-bit encryption";
+static constexpr char const* O_UNDERLAY_OVERLAY = "underlay/overlay";
+static constexpr char const* O_ATTACHMENT = "attachment";
+static constexpr char const* O_COPY_ATTACHMENT = "copy attachment";
+
+void argVersion();
+void argCopyright();
+void argShowCrypto();
+void argJobJsonHelp();
+void argJsonHelp(std::string const&);
+void argPositional(std::string const&);
+void argAddAttachment();
+void argCopyAttachmentsFrom();
+void argEmpty();
+void argEncrypt();
+void argOverlay();
+void argPages();
+void argReplaceInput();
+void argUnderlay();
+void argPagesPositional(std::string const&);
+void argPagesPassword(std::string const&);
+void argEndPages();
+void argEncPositional(std::string const&);
+void argEndEncryption();
+void argEnd40BitEncryption();
+void argEnd128BitEncryption();
+void argEnd256BitEncryption();
+void argUOPositional(std::string const&);
+void argEndUnderlayOverlay();
+void argAttPositional(std::string const&);
+void argEndAttachment();
+void argCopyAttPositional(std::string const&);
+void argEndCopyAttachment();

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/auto_job_help.hh Added

@@ -0,0 +1,902 @@
+//
+// This file is automatically generated by generate_auto_job.
+// Edits will be automatically overwritten if the build is
+// run in maintainer mode.
+//
+// clang-format off
+//
+static void add_help_1(QPDFArgParser& ap)
+{
+ap.addHelpTopic("usage", "basic invocation", R"(Read a PDF file, apply transformations or modifications, and write
+a new PDF file.
+
+Usage: qpdf infile options outfile
+   OR  qpdf --help={topic|--option}
+
+- infile, options, and outfile may be in any order as long as infile
+  precedes outfile.
+- Use --empty in place of an input file for a zero-page, empty input
+- Use --replace-input in place of an output file to overwrite the
+  input file with the output
+- outfile may be - to write to stdout; reading from stdin is not supported
+- @filename is an argument file; each line is treated as a separate
+  command-line argument
+- @- may be used to read arguments from stdin
+- Later options may override earlier options if contradictory
+)");
+ap.addOptionHelp("--empty", "usage", "use empty file as input", R"(Use in place of infile for an empty input. Especially useful
+with --pages.
+)");
+ap.addOptionHelp("--replace-input", "usage", "overwrite input with output", R"(Use in place of outfile to overwrite the input file with the output.
+)");
+ap.addOptionHelp("--job-json-file", "usage", "job JSON file", R"(--job-json-file=file
+
+Specify the name of a file whose contents are expected to
+contain a QPDFJob JSON file. Run qpdf --job-json-help for a
+description of the JSON input file format.
+)");
+ap.addHelpTopic("exit-status", "meanings of qpdf's exit codes", R"(Meaning of exit codes:
+
+0: no errors or warnings
+1: not used by qpdf but may be used by the shell if unable to invoke qpdf
+2: errors detected
+3: warnings detected, unless --warning-exit-0 is given
+)");
+ap.addOptionHelp("--warning-exit-0", "exit-status", "exit 0 even with warnings", R"(Use exit status 0 instead of 3 when warnings are present. When
+combined with --no-warn, warnings are completely ignored.
+)");
+ap.addHelpTopic("completion", "shell completion", R"(Shell completion is supported with bash and zsh. Use
+eval $(qpdf --completion-bash) or eval $(qpdf --completion-zsh)
+to enable. The QPDF_EXECUTABLE environment variable overrides the
+path to qpdf that these commands output.
+)");
+ap.addOptionHelp("--completion-bash", "completion", "enable bash completion", R"(Output a command that enables bash completion
+)");
+ap.addOptionHelp("--completion-zsh", "completion", "enable zsh completion", R"(Output a command that enables zsh completion
+)");
+ap.addHelpTopic("help", "information about qpdf", R"(Help options provide some information about qpdf itself. Help
+options are only valid as the first and only command-line argument.
+)");
+ap.addOptionHelp("--help", "help", "provide help", R"(--help=--option|topic
+
+--help: provide general information and a list of topics
+--help=--option: provide help on a specific option
+--help=topic: provide help on a topic
+)");
+ap.addOptionHelp("--version", "help", "show qpdf version", R"(Display the version of qpdf.
+)");
+ap.addOptionHelp("--copyright", "help", "show copyright information", R"(Display copyright and license information.
+)");
+ap.addOptionHelp("--show-crypto", "help", "show available crypto providers", R"(Show a list of available crypto providers, one per line. The
+default provider is shown first.
+)");
+ap.addOptionHelp("--job-json-help", "help", "show format of job JSON", R"(Describe the format of the QPDFJob JSON input used by
+--job-json-file.
+)");
+ap.addHelpTopic("general", "general options", R"(General options control qpdf's behavior in ways that are not
+directly related to the operation it is performing.
+)");
+ap.addOptionHelp("--password", "general", "password for encrypted file", R"(--password=password
+
+Specify a password for an encrypted, password-protected file.
+Not needed for encrypted files without a password.
+)");
+ap.addOptionHelp("--password-file", "general", "read password from a file", R"(--password-file=filename
+
+The first line of the specified file is used as the password.
+This is used in place of the --password option.
+)");
+ap.addOptionHelp("--verbose", "general", "print additional information", R"(Output additional information about various things qpdf is
+doing, including information about files created and operations
+performed.
+)");
+}
+static void add_help_2(QPDFArgParser& ap)
+{
+ap.addOptionHelp("--progress", "general", "show progress when writing", R"(Indicate progress when writing files.
+)");
+ap.addOptionHelp("--no-warn", "general", "suppress printing of warning messages", R"(Suppress printing of warning messages. If warnings were
+encountered, qpdf still exits with exit status 3.
+Use --warning-exit-0 with --no-warn to completely ignore
+warnings.
+)");
+ap.addOptionHelp("--deterministic-id", "general", "generate ID deterministically", R"(Generate a secure, random document ID only using static
+information, such as the page contents. Does not use the file's
+name or attributes or the current time.
+)");
+ap.addOptionHelp("--allow-weak-crypto", "general", "allow insecure cryptographic algorithms", R"(Allow creation of files with weak cryptographic algorithms. This
+option is necessary to create 40-bit files or 128-bit files that
+use RC4 encryption.
+)");
+ap.addOptionHelp("--keep-files-open", "general", "manage keeping multiple files open", R"(--keep-files-open=y|n
+
+When qpdf needs to work with many files, as when merging large
+numbers of files, explicitly indicate whether files should be
+kept open. The default behavior is to determine this based on
+the number of files.
+)");
+ap.addOptionHelp("--keep-files-open-threshold", "general", "set threshold for --keep-files-open", R"(--keep-files-open-threshold=count
+
+Set the threshold used by --keep-files-open, overriding the
+default value of 200.
+)");
+ap.addHelpTopic("advanced-control", "tweak qpdf's behavior", R"(Advanced control options control qpdf's behavior in ways that would
+normally never be needed by a user but that may be useful to
+developers or people investigating problems with specific files.
+)");
+ap.addOptionHelp("--password-is-hex-key", "advanced-control", "provide hex-encoded encryption key", R"(Provide the underlying file encryption key as a hex-encoded
+string rather than supplying a password. This is an expert
+option.
+)");
+ap.addOptionHelp("--suppress-password-recovery", "advanced-control", "don't try different password encodings", R"(Suppress qpdf's usual behavior of attempting different encodings
+of a password that contains non-ASCII Unicode characters if the
+first attempt doesn't succeed.
+)");
+ap.addOptionHelp("--password-mode", "advanced-control", "tweak how qpdf encodes passwords", R"(--password-mode=mode
+
+Fine-tune how qpdf controls encoding of Unicode passwords. Valid
+options are auto, bytes, hex-bytes, and unicode.
+)");
+ap.addOptionHelp("--suppress-recovery", "advanced-control", "suppress error recovery", R"(Avoid attempting to recover when errors are found in a file's
+cross reference table or stream lengths.
+)");
+ap.addOptionHelp("--ignore-xref-streams", "advanced-control", "use xref tables rather than streams", R"(Ignore any cross-reference streams in the file, falling back to
+cross-reference tables or triggering document recovery.
+)");
+ap.addHelpTopic("transformation", "make structural PDF changes", R"(The options below tell qpdf to apply transformations that change
+the structure without changing the content.
+)");
+ap.addOptionHelp("--linearize", "transformation", "linearize (web-optimize) output", R"(Create linearized (web-optimized) output files.
+)");
+ap.addOptionHelp("--encrypt", "transformation", "start encryption options", R"(--encrypt user-password owner-password key-length options --
+
+Run qpdf --help=encryption for details.
+)");
+ap.addOptionHelp("--decrypt", "transformation", "remove encryption from input file", R"(Create an unencrypted output file even if the input file was
+encrypted. Normally qpdf preserves whatever encryption was
+present on the input file. This option overrides that behavior.
+)");
+ap.addOptionHelp("--copy-encryption", "transformation", "copy another file's encryption details", R"(--copy-encryption=file
+
+Copy encryption details from the specified file instead of
+preserving the input file's encryption. Use --encryption-file-password
+to specify the encryption file's password.
+)");
+ap.addOptionHelp("--encryption-file-password", "transformation", "supply password for --copy-encryption", R"(--encryption-file-password=password
+
+If the file named in --copy-encryption requires a password, use
+this option to supply the password.
+)");
+ap.addOptionHelp("--qdf", "transformation", "enable viewing PDF code in a text editor", R"(Create a PDF file suitable for viewing in a text editor and even
+editing. This is for editing the PDF code, not the page contents.
+All streams that can be uncompressed are uncompressed, and
+content streams are normalized, among other changes. The
+companion tool "fix-qdf" can be used to repair hand-edited QDF
+files. QDF is a feature specific to the qpdf tool. Please see
+the "QDF Mode" chapter in the manual.
+)");
+}
+static void add_help_3(QPDFArgParser& ap)
+{
+ap.addOptionHelp("--no-original-object-ids", "transformation", "omit original object IDs in qdf", R"(Omit comments in a QDF file indicating the object ID an object
+had in the original file.
+)");
+ap.addOptionHelp("--compress-streams", "transformation", "compress uncompressed streams", R"(--compress-streams=y|n
+
+Setting --compress-streams=n prevents qpdf from compressing
+uncompressed streams. This can be useful if you are leaving some
+streams uncompressed intentionally.
+)");
+ap.addOptionHelp("--decode-level", "transformation", "control which streams to uncompress", R"(--decode-level=parameter
+
+When uncompressing streams, control which types of compression
+schemes should be uncompressed:
+- none: don't uncompress anything. This is the default with
+  --json-output.
+- generalized: uncompress streams compressed with a
+  general-purpose compression algorithm. This is the default
+  except when --json-output is given.
+- specialized: in addition to generalized, also uncompress
+  streams compressed with a special-purpose but non-lossy
+  compression scheme
+- all: in addition to specialized, uncompress streams compressed
+  with lossy compression schemes like JPEG (DCT)
+qpdf does not know how to uncompress all compression schemes.
+)");
+ap.addOptionHelp("--stream-data", "transformation", "control stream compression", R"(--stream-data=parameter
+
+This option controls how streams are compressed in the output.
+It is less granular than the newer options, --compress-streams
+and --decode-level.
+
+Parameters:
+- compress: same as --compress-streams=y --decode-level=generalized
+- preserve: same as --compress-streams=n --decode-level=none
+- uncompress: same as --compress-streams=n --decode-level=generalized
+)");
+ap.addOptionHelp("--recompress-flate", "transformation", "uncompress and recompress flate", R"(The default generalized compression scheme used by PDF is flate,
+which is the same as used by zip and gzip. Usually qpdf just
+leaves these alone. This option tells qpdf to uncompress and
+recompress streams compressed with flate. This can be useful
+when combined with --compression-level.
+)");
+ap.addOptionHelp("--compression-level", "transformation", "set compression level for flate", R"(--compression-level=level
+
+Set a compression level from 1 (least, fastest) to 9 (most,
+slowest) when compressing files with flate (used in zip and
+gzip), which is the default compression for most PDF files.
+You need --recompress-flate with this option if you want to
+change already compressed streams.
+)");
+ap.addOptionHelp("--normalize-content", "transformation", "fix newlines in content streams", R"(--normalize-content=y|n
+
+Normalize newlines to UNIX-style newlines in PDF content
+streams, which is useful for viewing them in a programmer's text
+editor across multiple platforms. This is also turned on by
+--qdf.
+)");
+ap.addOptionHelp("--object-streams", "transformation", "control use of object streams", R"(--object-streams=mode
+
+Control what qpdf does regarding object streams. Options:
+- preserve: preserve original object streams, if any (the default)
+- disable: create output files with no object streams
+- generate: create object streams, and compress objects when possible
+)");
+ap.addOptionHelp("--preserve-unreferenced", "transformation", "preserve unreferenced objects", R"(Preserve all objects from the input even if not referenced.
+)");
+ap.addOptionHelp("--remove-unreferenced-resources", "transformation", "remove unreferenced page resources", R"(--remove-unreferenced-resources=parameter
+
+Remove from a page's resource dictionary any resources that are
+not referenced in the page's contents. Parameters: "auto"
+(default), "yes", "no".
+)");
+ap.addOptionHelp("--preserve-unreferenced-resources", "transformation", "use --remove-unreferenced-resources=no", R"(Synonym for --remove-unreferenced-resources=no. Use that instead.
+)");
+ap.addOptionHelp("--newline-before-endstream", "transformation", "force a newline before endstream", R"(For an extra newline before endstream. Using this option enables
+qpdf to preserve PDF/A when rewriting such files.
+)");
+ap.addOptionHelp("--coalesce-contents", "transformation", "combine content streams", R"(If a page has an array of content streams, concatenate them into
+a single content stream.
+)");
+ap.addOptionHelp("--externalize-inline-images", "transformation", "convert inline to regular images", R"(Convert inline images to regular images.
+)");
+ap.addOptionHelp("--ii-min-bytes", "transformation", "set minimum size for --externalize-inline-images", R"(--ii-min-bytes=size-in-bytes
+
+Don't externalize inline images smaller than this size. The
+default is 1,024. Use 0 for no minimum.
+)");
+ap.addOptionHelp("--min-version", "transformation", "set minimum PDF version", R"(--min-version=version
+
+Force the PDF version of the output to be at least the specified
+version. The version number format is
+"major.minor.extension-level", which sets the version header
+to "major.minor" and the extension level, if specified, to
+"extension-level".
+)");
+ap.addOptionHelp("--force-version", "transformation", "set output PDF version", R"(--force-version=version
+
+Force the output PDF file's PDF version header to be the specified
+value, even if the file uses features that may not be available
+in that version.
+)");
+ap.addHelpTopic("page-ranges", "page range syntax", R"(A full description of the page range syntax, with examples, can be
+found in the manual. Summary:
+
+- a,b,c    pages a, b, and c
+- a-b      pages a through b inclusive; if a > b, this counts down
+- r<n>     where <n> represents a number is the <n>th page from the end
+- z        the last page, same as r1
+
+You can append :even or :odd to select every other page from the
+resulting set of pages, where :odd starts with the first page and
+:even starts with the second page. These are odd and even pages
+from the resulting set, not based on the original page numbers.
+)");
+ap.addHelpTopic("modification", "change parts of the PDF", R"(Modification options make systematic changes to certain parts of
+the PDF, causing the PDF to render differently from the original.
+)");
+}
+static void add_help_4(QPDFArgParser& ap)
+{
+ap.addOptionHelp("--pages", "modification", "begin page selection", R"(--pages file --password=password page-range ... --
+
+Run qpdf --help=page-selection for details.
+)");
+ap.addOptionHelp("--collate", "modification", "collate with --pages", R"(--collate=n
+
+Collate rather than concatenate pages specified with --pages.
+With a numeric parameter, collate in groups of n. The default
+is 1. Run qpdf --help=page-selection for additional details.
+)");
+ap.addOptionHelp("--split-pages", "modification", "write pages to separate files", R"(--split-pages=n
+
+This option causes qpdf to create separate output files for each
+page or group of pages rather than a single output file.
+
+File names are generated from the specified output file as follows:
+
+- If the string %d appears in the output file name, it is replaced with a
+  zero-padded page range starting from 1
+- Otherwise, if the output file name ends in .pdf (case insensitive), a
+  zero-padded page range, preceded by a dash, is inserted before the file
+  extension
+- Otherwise, the file name is appended with a zero-padded page range
+  preceded by a dash.
+
+Page ranges are single page numbers for single-page groups or first-last
+for multi-page groups.
+)");
+ap.addOptionHelp("--overlay", "modification", "begin overlay options", R"(--overlay file options --
+
+Overlay pages from another file on the output.
+Run qpdf --help=overlay-underlay for details.
+)");
+ap.addOptionHelp("--underlay", "modification", "begin underlay options", R"(--underlay file options --
+
+Underlay pages from another file on the output.
+Run qpdf --help=overlay-underlay for details.
+)");
+ap.addOptionHelp("--flatten-rotation", "modification", "remove rotation from page dictionary", R"(For each page that is rotated using the /Rotate key in the
+page's dictionary, remove the /Rotate key and implement the
+identical rotation semantics by modifying the page's contents.
+This can be useful if a broken PDF viewer fails to properly
+consider page rotation metadata.
+)");
+ap.addOptionHelp("--flatten-annotations", "modification", "push annotations into content", R"(--flatten-annotations=parameter
+
+Push page annotations into the content streams. This may be
+necessary in some case when printing or splitting files.
+Parameters: "all", "print", "screen".
+)");
+ap.addOptionHelp("--rotate", "modification", "rotate pages", R"(--rotate=+|-angle:page-range
+
+Rotate specified pages by multiples of 90 degrees specifying
+either absolute or relative angles. "angle" may be 0, 90, 180,
+or 270. You almost always want to use +angle or -angle rather
+than just angle, as discussed in the manual. Run
+qpdf --help=page-ranges for help with page ranges.
+)");
+ap.addOptionHelp("--generate-appearances", "modification", "generate appearances for form fields", R"(PDF form fields consist of values and appearances, which may be
+inconsistent with each other if a form field value has been
+modified without updating its appearance. This option tells qpdf
+to generate new appearance streams. There are some limitations,
+which are discussed in the manual.
+)");
+ap.addOptionHelp("--optimize-images", "modification", "use efficient compression for images", R"(Attempt to use DCT (JPEG) compression for images that fall
+within certain constraints as long as doing so decreases the
+size in bytes of the image. See also help for the following
+options:
+  --oi-min-width
+  --oi-min-height
+  --oi-min-area
+  --keep-inline-images
+)");
+ap.addOptionHelp("--oi-min-width", "modification", "minimum width for --optimize-images", R"(--oi-min-width=width
+
+Don't optimize images whose width is below the specified value.
+)");
+ap.addOptionHelp("--oi-min-height", "modification", "minimum height for --optimize-images", R"(--oi-min-height=height
+
+Don't optimize images whose height is below the specified value.
+)");
+ap.addOptionHelp("--oi-min-area", "modification", "minimum area for --optimize-images", R"(--oi-min-area=area-in-pixels
+
+Don't optimize images whose area in pixels is below the specified value.
+)");
+ap.addOptionHelp("--keep-inline-images", "modification", "exclude inline images from optimization", R"(Prevent inline images from being considered by --optimize-images.
+)");
+ap.addOptionHelp("--remove-page-labels", "modification", "remove explicit page numbers", R"(Exclude page labels (explicit page numbers) from the output file.
+)");
+ap.addHelpTopic("encryption", "create encrypted files", R"(Create encrypted files. Usage:
+
+--encrypt user-password owner-password key-length options --
+
+Either or both of user-password and owner-password may be empty
+strings. key-length may be 40, 128, or 256. Encryption options are
+terminated by "--" by itself.
+
+40-bit encryption is insecure, as is 128-bit encryption without
+AES. Use 256-bit encryption unless you have a specific reason to
+use an insecure format, such as testing or compatibility with very
+old viewers. You must use the --allow-weak-crypto to create
+encrypted files that use insecure cryptographic algorithms. The
+--allow-weak-crypto flag appears outside of --encrypt ... --
+(before --encrypt or after --).
+
+Available options vary by key length. Not all readers respect all
+restrictions. Different PDF readers respond differently to various
+combinations of options. Sometimes a PDF viewer may show you
+restrictions that differ from what you selected. This is probably
+not a bug in qpdf.
+
+Options for 40-bit only:
+  --annotate=y|n         restrict comments, filling forms, and signing
+  --extract=y|n          restrict text/graphic extraction
+  --modify=y|n           restrict document modification
+  --print=y|n            restrict printing
+
+Options for 128-bit or 256-bit:
+  --accessibility=y|n    restrict accessibility (usually ignored)
+  --annotate=y|n         restrict commenting/filling form fields
+  --assemble=y|n         restrict document assembly
+  --extract=y|n          restrict text/graphic extraction
+  --form=y|n             restrict filling form fields
+  --modify-other=y|n     restrict other modifications
+  --modify=modify-opt      control modify access by level
+  --print=print-opt        control printing access
+  --cleartext-metadata     prevent encryption of metadata
+
+For 128-bit only:
+  --use-aes=y|n          indicates whether to use AES encryption
+  --force-V4               forces use of V=4 encryption handler
+
+For 256-bit only:
+  --force-R5               forces use of deprecated R=5 encryption
+  --allow-insecure         allow user password with empty owner password
+
+Values for print-opt:
+  none                     disallow printing
+  low                      allow only low-resolution printing
+  full                     allow full printing
+
+Values for modify-opt:
+  none                     allow no modifications
+  assembly                 allow document assembly only
+  form                     assembly + filling in form fields and signing
+  annotate                 form + commenting and modifying forms
+  all                      allow full document modification
+)");
+ap.addOptionHelp("--accessibility", "encryption", "restrict document accessibility", R"(--accessibility=y|n
+
+This option is ignored except with very old encryption formats.
+The current PDF specification does not allow restriction of
+document accessibility. This option is not available with 40-bit
+encryption.
+)");
+ap.addOptionHelp("--annotate", "encryption", "restrict document annotation", R"(--annotate=y|n
+
+Enable/disable modifying annotations including making comments
+and filling in form fields. For 128-bit and 256-bit encryption,
+this also enables editing, creating, and deleting form fields
+unless --modify-other=n or --modify=none is also specified.
+)");
+ap.addOptionHelp("--assemble", "encryption", "restrict document assembly", R"(--assemble=y|n
+
+Enable/disable document assembly (rotation and reordering of
+pages). This option is not available with 40-bit encryption.
+)");
+}
+static void add_help_5(QPDFArgParser& ap)
+{
+ap.addOptionHelp("--extract", "encryption", "restrict text/graphic extraction", R"(--extract=y|n
+
+Enable/disable text/graphic extraction for purposes other than
+accessibility.
+)");
+ap.addOptionHelp("--form", "encryption", "restrict form filling", R"(--form=y|n
+
+Enable/disable whether filling form fields is allowed even if
+modification of annotations is disabled. This option is not
+available with 40-bit encryption.
+)");
+ap.addOptionHelp("--modify-other", "encryption", "restrict other modifications", R"(--modify-other=y|n
+
+Enable/disable modifications not controlled by --assemble,
+--annotate, or --form. --modify-other=n is implied by any of the
+other --modify options. This option is not available with 40-bit
+encryption.
+)");
+ap.addOptionHelp("--modify", "encryption", "restrict document modification", R"(--modify=modify-opt
+
+For 40-bit files, modify-opt may only be y or n and controls all
+aspects of document modification.
+
+For 128-bit and 256-bit encryption, modify-opt values allow
+enabling and disabling levels of restriction in a manner similar
+to how some PDF creation tools do it. modify-opt values map to
+other combinations of options as follows:
+
+all: allow full modification (the default)
+annotate: --modify-other=n
+form: --modify-other=n --annotate=n
+assembly: --modify-other=n --annotate=n --form=n
+none: --modify-other=n --annotate=n --form=n --assemble=n
+)");
+ap.addOptionHelp("--print", "encryption", "restrict printing", R"(--print=print-opt
+
+Control what kind of printing is allowed. For 40-bit encryption,
+print-opt may only be y or n and enables or disables all
+printing. For 128-bit and 256-bit encryption, print-opt may have
+the following values:
+
+none: disallow printing
+low: allow low-resolution printing only
+full: allow full printing (the default)
+)");
+ap.addOptionHelp("--cleartext-metadata", "encryption", "don't encrypt metadata", R"(If specified, don't encrypt document metadata even when
+encrypting the rest of the document. This option is not
+available with 40-bit encryption.
+)");
+ap.addOptionHelp("--use-aes", "encryption", "use AES with 128-bit encryption", R"(--use-aes=y|n
+
+Enables/disables use of the more secure AES encryption with
+128-bit encryption. Specifying --use-aes=y forces the PDF
+version to be at least 1.6. This option is only available with
+128-bit encryption. The default is "n" for compatibility
+reasons. Use 256-bit encryption instead.
+)");
+ap.addOptionHelp("--allow-insecure", "encryption", "allow empty owner passwords", R"(Allow creation of PDF files with empty owner passwords and
+non-empty user passwords when using 256-bit encryption.
+)");
+ap.addOptionHelp("--force-V4", "encryption", "force V=4 in encryption dictionary", R"(This option is for testing and is never needed in practice since
+qpdf does this automatically when needed.
+)");
+ap.addOptionHelp("--force-R5", "encryption", "use unsupported R=5 encryption", R"(Use an undocumented, unsupported, deprecated encryption
+algorithm that existed only in Acrobat version IX. This option
+should not be used except for compatibility testing.
+)");
+ap.addHelpTopic("page-selection", "select pages from one or more files", R"(Use the --pages option to select pages from multiple files. Usage:
+
+qpdf in.pdf --pages input-file --password=password page-range \
+    ... -- out.pdf
+
+Between --pages and the -- that terminates pages option, repeat
+the following:
+
+filename --password=password page-range
+
+Document-level information, such as outlines, tags, etc., is taken
+from in.pdf and is preserved in out.pdf. You can use --empty in place
+of an input file to start from an empty file and just copy pages
+equally from all files. You can use "." as a shorthand for the
+primary input file (if not --empty). In the above example, "."
+would refer to in.pdf.
+
+Use --password=password to specify the password for a
+password-protected input file. If the same input file is used more
+than once, you only need to supply the password the first time. If
+the page range is omitted, all pages are selected.
+
+Run qpdf --help=page-ranges for help with page ranges.
+
+Use --collate=n to cause pages to be collated in groups of n pages
+(default 1) instead of concatenating the input.
+
+Examples:
+
+- Start with in.pdf and append all pages from a.pdf and the even
+  pages from b.pdf, and write the output to out.pdf. Document-level
+  information from in.pdf is retained. Note the use of "." to refer
+  to in.pdf.
+
+  qpdf in.pdf --pages . a.pdf b.pdf:even -- out.pdf
+
+- Take all the pages from a.pdf, all the pages from b.pdf in
+  reverse, and only pages 3 and 6 from c.pdf and write the result
+  to out.pdf. Use password "x" to open b.pdf:
+
+  qpdf --empty --pages a.pdf b.pdf --password=x z-1 c.pdf 3,6
+
+More examples are in the manual.
+)");
+ap.addHelpTopic("overlay-underlay", "overlay/underlay pages from other files", R"(These options allow pages from another file to be overlaid or
+underlaid on the primary output. Overlaid pages are drawn on top of
+the destination page and may obscure the page. Underlaid pages are
+drawn below the destination page. Usage:
+
+{--overlay|--underlay} file
+      --password=password
+      --to=page-range
+      --from=page-range
+      --repeat=page-range
+      --
+
+Note the use of "--" by itself to terminate overlay/underlay options.
+
+For overlay and underlay, a file and optional password are specified, along
+with a series of optional page ranges. The default behavior is that each
+page of the overlay or underlay file is imposed on the corresponding page
+of the primary output until it runs out of pages, and any extra pages are
+ignored. You can also give a page range with --repeat to cause
+those pages to be repeated after the original pages are exhausted.
+
+Run qpdf --help=page-ranges for help with page ranges.
+)");
+ap.addOptionHelp("--to", "overlay-underlay", "destination pages for underlay/overlay", R"(--to=page-range
+
+Specify the range of pages in the primary output to apply
+overlay/underlay to. See qpdf --help=page-ranges for help with
+the page range syntax.
+)");
+ap.addOptionHelp("--from", "overlay-underlay", "source pages for underlay/overlay", R"(--from=page-range
+
+Specify pages from the overlay/underlay file that are applied to
+the destination pages. See qpdf --help=page-ranges for help
+with the page range syntax. The page range may be omitted
+if --repeat is used.
+)");
+ap.addOptionHelp("--repeat", "overlay-underlay", "overlay/underlay pages to repeat", R"(--repeat=page-range
+
+Specify pages from the overlay/underlay that are repeated after
+"from" pages have been exhausted. See qpdf --help=page-ranges
+for help with the page range syntax.
+)");
+ap.addHelpTopic("attachments", "work with embedded files", R"(It is possible to list, add, or delete embedded files (also known
+as attachments) and to copy attachments from other files. See help
+on individual options for details. Run qpdf --help=add-attachment
+for additional details about adding attachments. See also
+--help=--list-attachments and --help=--show-attachment.
+)");
+ap.addOptionHelp("--add-attachment", "attachments", "start add attachment options", R"(--add-attachment file options --
+
+The --add-attachment flag and its options may be repeated to add
+multiple attachments. Run qpdf --help=add-attachment for details.
+)");
+ap.addOptionHelp("--copy-attachments-from", "attachments", "start copy attachment options", R"(--copy-attachments-from file options --
+
+The --copy-attachments-from flag and its options may be repeated
+to copy attachments from multiple files. Run
+qpdf --help=copy-attachments for details.
+)");
+ap.addOptionHelp("--remove-attachment", "attachments", "remove an embedded file", R"(--remove-attachment=key
+
+Remove an embedded file using its key. Get the key with
+--list-attachments.
+)");
+}
+static void add_help_6(QPDFArgParser& ap)
+{
+ap.addHelpTopic("pdf-dates", "PDF date format", R"(When a date is required, the date should conform to the PDF date
+format specification, which is "D:yyyymmddhhmmssz" where "z" is
+either literally upper case "Z" for UTC or a timezone offset in
+the form "-hh'mm'" or "+hh'mm'". Negative timezone offsets indicate
+time before UTC. Positive offsets indicate how far after. For
+example, US Eastern Standard Time (America/New_York) is "-05'00'",
+and Indian Standard Time (Asia/Calcutta) is "+05'30'".
+
+Examples:
+- D:20210207161528-05'00'   February 7, 2021 at 4:15:28 p.m.
+- D:20210207211528Z         February 7, 2021 at 21:15:28 UTC
+)");
+ap.addHelpTopic("add-attachment", "attach (embed) files", R"(The options listed below appear between --add-attachment and its
+terminating "--".
+)");
+ap.addOptionHelp("--key", "add-attachment", "specify attachment key", R"(--key=key
+
+Specify the key to use for the attachment in the embedded files
+table. It defaults to the last element (basename) of the
+attached file's filename.
+)");
+ap.addOptionHelp("--filename", "add-attachment", "set attachment's displayed filename", R"(--filename=name
+
+Specify the filename to be used for the attachment. This is what
+is usually displayed to the user and is the name most graphical
+PDF viewers will use when saving a file. It defaults to the last
+element (basename) of the attached file's filename.
+)");
+ap.addOptionHelp("--creationdate", "add-attachment", "set attachment's creation date", R"(--creationdate=date
+
+Specify the attachment's creation date in PDF format; defaults
+to the current time. Run qpdf --help=pdf-dates for information
+about the date format.
+)");
+ap.addOptionHelp("--moddate", "add-attachment", "set attachment's modification date", R"(--moddate=date
+
+Specify the attachment's modification date in PDF format;
+defaults to the current time. Run qpdf --help=pdf-dates for
+information about the date format.
+)");
+ap.addOptionHelp("--mimetype", "add-attachment", "attachment mime type, e.g. application/pdf", R"(--mimetype=type/subtype
+
+Specify the mime type for the attachment, such as text/plain,
+application/pdf, image/png, etc.
+)");
+ap.addOptionHelp("--description", "add-attachment", "set attachment's description", R"(--description="text"
+
+Supply descriptive text for the attachment, displayed by some
+PDF viewers.
+)");
+ap.addOptionHelp("--replace", "add-attachment", "replace attachment with same key", R"(Indicate that any existing attachment with the same key should
+be replaced by the new attachment. Otherwise, qpdf gives an
+error if an attachment with that key is already present.
+)");
+ap.addHelpTopic("copy-attachments", "copy attachments from another file", R"(The options listed below appear between --copy-attachments-from and
+its terminating "--".
+
+To copy attachments from a password-protected file, use
+the --password option after the file name.
+)");
+ap.addOptionHelp("--prefix", "copy-attachments", "key prefix for copying attachments", R"(--prefix=prefix
+
+Prepend a prefix to each key; may be needed if there are
+duplicate attachment keys. This affects the key only, not the
+file name.
+)");
+ap.addHelpTopic("inspection", "inspect PDF files", R"(These options provide tools for inspecting PDF files. When any of
+the options in this section are specified, no output file may be
+given.
+)");
+ap.addOptionHelp("--is-encrypted", "inspection", "silently test whether a file is encrypted", R"(Silently exit with a code indicating the file's encryption status:
+
+0: the file is encrypted
+1: not used
+2: the file is not encrypted
+
+This can be used with password-protected files even if you don't
+know the password.
+)");
+ap.addOptionHelp("--requires-password", "inspection", "silently test a file's password", R"(Silently exit with a code indicating the file's password status:
+
+0: a password, other than as supplied, is required
+1: not used
+2: the file is not encrypted
+3: the file is encrypted, and correct password (if any) has been supplied
+)");
+ap.addOptionHelp("--check", "inspection", "partially check whether PDF is valid", R"(Check the structure of the PDF file as well as a number of other
+aspects of the file, and write information about the file to
+standard output. Note that qpdf does not perform any validation
+of the actual PDF page content or semantic correctness of the
+PDF file. It merely checks that the PDF file is syntactically
+valid. See also qpdf --help=exit-status.
+)");
+ap.addOptionHelp("--show-encryption", "inspection", "information about encrypted files", R"(Show document encryption parameters. Also show the document's
+user password if the owner password is given and the file was
+encrypted using older encryption formats that allow user
+password recovery.
+)");
+ap.addOptionHelp("--show-encryption-key", "inspection", "show key with --show-encryption", R"(When used with --show-encryption or --check, causes the
+underlying encryption key to be displayed.
+)");
+ap.addOptionHelp("--check-linearization", "inspection", "check linearization tables", R"(Check to see whether a file is linearized and, if so, whether
+the linearization hint tables are correct.
+)");
+ap.addOptionHelp("--show-linearization", "inspection", "show linearization hint tables", R"(Check and display all data in the linearization hint tables.
+)");
+}
+static void add_help_7(QPDFArgParser& ap)
+{
+ap.addOptionHelp("--show-xref", "inspection", "show cross reference data", R"(Show the contents of the cross-reference table or stream (object
+locations in the file) in a human-readable form. This is
+especially useful for files with cross-reference streams, which
+are stored in a binary format.
+)");
+ap.addOptionHelp("--show-object", "inspection", "show contents of an object", R"(--show-object={trailer|obj,gen}
+
+Show the contents of the given object. This is especially useful
+for inspecting objects that are inside of object streams (also
+known as "compressed objects").
+)");
+ap.addOptionHelp("--raw-stream-data", "inspection", "show raw stream data", R"(When used with --show-object, if the object is a stream, write
+the raw (compressed) binary stream data to standard output
+instead of the object's contents. See also
+--filtered-stream-data.
+)");
+ap.addOptionHelp("--filtered-stream-data", "inspection", "show filtered stream data", R"(When used with --show-object, if the object is a stream, write
+the filtered (uncompressed, potentially binary) stream data to
+standard output instead of the object's contents. See also
+--raw-stream-data.
+)");
+ap.addOptionHelp("--show-npages", "inspection", "show number of pages", R"(Print the number of pages in the input file on a line by itself.
+Useful for scripts.
+)");
+ap.addOptionHelp("--show-pages", "inspection", "display page dictionary information", R"(Show the object and generation number for each page dictionary
+object and for each content stream associated with the page.
+)");
+ap.addOptionHelp("--with-images", "inspection", "include image details with --show-pages", R"(When used with --show-pages, also shows the object and
+generation numbers for the image objects on each page.
+)");
+ap.addOptionHelp("--list-attachments", "inspection", "list embedded files", R"(Show the key and stream number for each embedded file. Combine
+with --verbose for more detailed information.
+)");
+ap.addOptionHelp("--show-attachment", "inspection", "export an embedded file", R"(--show-attachment=key
+
+Write the contents of the specified attachment to standard
+output as binary data. Get the key with --list-attachments.
+)");
+ap.addHelpTopic("json", "JSON output for PDF information", R"(Show information about the PDF file in JSON format. Please see the
+JSON chapter in the qpdf manual for details.
+)");
+ap.addOptionHelp("--json", "json", "show file in JSON format", R"(--json=version
+
+Generate a JSON representation of the file. This is described in
+depth in the JSON section of the manual. "version" may be a
+specific version or "latest" (the default). Run qpdf --json-help
+for a description of the generated JSON object.
+)");
+ap.addOptionHelp("--json-help", "json", "show format of JSON output", R"(--json-help=version
+
+Describe the format of the JSON output by writing to standard
+output a JSON object with the same keys and with values
+containing descriptive text.
+)");
+ap.addOptionHelp("--json-key", "json", "limit which keys are in JSON output", R"(--json-key=key
+
+This option is repeatable. If given, only the specified
+top-level keys will be included in the JSON output. Otherwise,
+all keys will be included. With --json-output, when not given,
+only the "qpdf" key will appear in the output.
+)");
+ap.addOptionHelp("--json-object", "json", "limit which objects are in JSON", R"(--json-object={trailer|obj,gen}
+
+This option is repeatable. If given, only specified objects will
+be shown in the "objects" key of the JSON output. Otherwise, all
+objects will be shown.
+)");
+ap.addOptionHelp("--json-stream-data", "json", "how to handle streams in json output", R"(--json-stream-data={none|inline|file}
+
+When used with --json, this option controls whether streams in
+json output should be omitted, written inline (base64-encoded)
+or written to a file. If "file" is chosen, the file will be the
+name of the output file appended with -nnn where nnn is the
+object number. The prefix can be overridden with
+--json-stream-prefix. The default is "none", except
+when --json-output is specified, in which case the default is
+"inline".
+)");
+ap.addOptionHelp("--json-stream-prefix", "json", "prefix for json stream data files", R"(--json-stream-prefix=file-prefix
+
+When used with --json-stream-data=file, --json-stream-data=file-prefix
+sets the prefix for stream data files, overriding the default,
+which is to use the output file name. Whatever is given here
+will be appended with -nnn to create the name of the file that
+will contain the data for the stream stream in object nnn.
+)");
+ap.addOptionHelp("--json-output", "json", "apply defaults for JSON serialization", R"(--json-output=version
+
+Implies --json=version. Changes default values for certain
+options so that the JSON output written is the most faithful
+representation of the original PDF and contains no additional
+JSON keys. See also --json-stream-data, --json-stream-prefix,
+and --decode-level.
+)");
+ap.addOptionHelp("--json-input", "json", "input file is qpdf JSON", R"(Treat the input file as a JSON file in qpdf JSON format. See the
+"qpdf JSON Format" section of the manual for information about
+how to use this option.
+)");
+ap.addOptionHelp("--update-from-json", "json", "update a PDF from qpdf JSON", R"(--update-from-json=qpdf-json-file
+
+Update a PDF file from a JSON file. Please see the "qpdf JSON"
+chapter of the manual for information about how to use this
+option.
+)");
+}
+static void add_help_8(QPDFArgParser& ap)
+{
+ap.addHelpTopic("testing", "options for testing or debugging", R"(The options below are useful when writing automated test code that
+includes files created by qpdf or when testing qpdf itself.
+)");
+ap.addOptionHelp("--static-id", "testing", "use a fixed document ID", R"(Use a fixed value for the document ID. This is intended for
+testing only. Never use it for production files. See also
+qpdf --help=--deterministic-id.
+)");
+ap.addOptionHelp("--static-aes-iv", "testing", "use a fixed AES vector", R"(Use a static initialization vector for AES-CBC. This is intended
+for testing only so that output files can be reproducible. Never
+use it for production files. This option is not secure since it
+significantly weakens the encryption.
+)");
+ap.addOptionHelp("--linearize-pass1", "testing", "save pass 1 of linearization", R"(--linearize-pass1=file
+
+Write the first pass of linearization to the named file. The
+resulting file is not a valid PDF file. This option is useful only
+for debugging qpdf.
+)");
+ap.addOptionHelp("--test-json-schema", "testing", "test generated json against schema", R"(This is used by qpdf's test suite to check consistency between
+the output of qpdf --json and the output of qpdf --json-help.
+)");
+ap.addOptionHelp("--report-memory-usage", "testing", "best effort report of memory usage", R"(This is used by qpdf's performance test suite to report the
+maximum amount of memory used in supported environments.
+)");
+}
+static void add_help(QPDFArgParser& ap)
+{
+    add_help_1(ap);
+    add_help_2(ap);
+    add_help_3(ap);
+    add_help_4(ap);
+    add_help_5(ap);
+    add_help_6(ap);
+    add_help_7(ap);
+    add_help_8(ap);
+ap.addHelpFooter("For detailed help, visit the qpdf manual: https://qpdf.readthedocs.io\n");
+}
+

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/auto_job_init.hh Added

@@ -0,0 +1,177 @@
+//
+// This file is automatically generated by generate_auto_job.
+// Edits will be automatically overwritten if the build is
+// run in maintainer mode.
+//
+// clang-format off
+//
+auto b = this(void (ArgParser::*f)()) {
+    return QPDFArgParser::bindBare(f, this);
+};
+auto p = this(void (ArgParser::*f)(std::string const&)) {
+    return QPDFArgParser::bindParam(f, this);
+};
+
+static char const* yn_choices = {"y", "n", 0};
+static char const* password_mode_choices = {"bytes", "hex-bytes", "unicode", "auto", 0};
+static char const* stream_data_choices = {"compress", "preserve", "uncompress", 0};
+static char const* decode_level_choices = {"none", "generalized", "specialized", "all", 0};
+static char const* object_streams_choices = {"disable", "preserve", "generate", 0};
+static char const* remove_unref_choices = {"auto", "yes", "no", 0};
+static char const* flatten_choices = {"all", "print", "screen", 0};
+static char const* json_key_choices = {"acroform", "attachments", "encrypt", "objectinfo", "objects", "outlines", "pagelabels", "pages", "qpdf", 0};
+static char const* json_output_choices = {"2", "latest", 0};
+static char const* json_stream_data_choices = {"none", "inline", "file", 0};
+static char const* json_version_choices = {"1", "2", "latest", 0};
+static char const* print128_choices = {"full", "low", "none", 0};
+static char const* modify128_choices = {"all", "annotate", "form", "assembly", "none", 0};
+
+this->ap.selectHelpOptionTable();
+this->ap.addBare("version", b(&ArgParser::argVersion));
+this->ap.addBare("copyright", b(&ArgParser::argCopyright));
+this->ap.addBare("show-crypto", b(&ArgParser::argShowCrypto));
+this->ap.addBare("job-json-help", b(&ArgParser::argJobJsonHelp));
+this->ap.addChoices("json-help", p(&ArgParser::argJsonHelp), false, json_version_choices);
+this->ap.selectMainOptionTable();
+this->ap.addPositional(p(&ArgParser::argPositional));
+this->ap.addBare("add-attachment", b(&ArgParser::argAddAttachment));
+this->ap.addBare("allow-weak-crypto", this(){c_main->allowWeakCrypto();});
+this->ap.addBare("check", this(){c_main->check();});
+this->ap.addBare("check-linearization", this(){c_main->checkLinearization();});
+this->ap.addBare("coalesce-contents", this(){c_main->coalesceContents();});
+this->ap.addBare("copy-attachments-from", b(&ArgParser::argCopyAttachmentsFrom));
+this->ap.addBare("decrypt", this(){c_main->decrypt();});
+this->ap.addBare("deterministic-id", this(){c_main->deterministicId();});
+this->ap.addBare("empty", b(&ArgParser::argEmpty));
+this->ap.addBare("encrypt", b(&ArgParser::argEncrypt));
+this->ap.addBare("externalize-inline-images", this(){c_main->externalizeInlineImages();});
+this->ap.addBare("filtered-stream-data", this(){c_main->filteredStreamData();});
+this->ap.addBare("flatten-rotation", this(){c_main->flattenRotation();});
+this->ap.addBare("generate-appearances", this(){c_main->generateAppearances();});
+this->ap.addBare("ignore-xref-streams", this(){c_main->ignoreXrefStreams();});
+this->ap.addBare("is-encrypted", this(){c_main->isEncrypted();});
+this->ap.addBare("json-input", this(){c_main->jsonInput();});
+this->ap.addBare("keep-inline-images", this(){c_main->keepInlineImages();});
+this->ap.addBare("linearize", this(){c_main->linearize();});
+this->ap.addBare("list-attachments", this(){c_main->listAttachments();});
+this->ap.addBare("newline-before-endstream", this(){c_main->newlineBeforeEndstream();});
+this->ap.addBare("no-original-object-ids", this(){c_main->noOriginalObjectIds();});
+this->ap.addBare("no-warn", this(){c_main->noWarn();});
+this->ap.addBare("optimize-images", this(){c_main->optimizeImages();});
+this->ap.addBare("overlay", b(&ArgParser::argOverlay));
+this->ap.addBare("pages", b(&ArgParser::argPages));
+this->ap.addBare("password-is-hex-key", this(){c_main->passwordIsHexKey();});
+this->ap.addBare("preserve-unreferenced", this(){c_main->preserveUnreferenced();});
+this->ap.addBare("preserve-unreferenced-resources", this(){c_main->preserveUnreferencedResources();});
+this->ap.addBare("progress", this(){c_main->progress();});
+this->ap.addBare("qdf", this(){c_main->qdf();});
+this->ap.addBare("raw-stream-data", this(){c_main->rawStreamData();});
+this->ap.addBare("recompress-flate", this(){c_main->recompressFlate();});
+this->ap.addBare("remove-page-labels", this(){c_main->removePageLabels();});
+this->ap.addBare("replace-input", b(&ArgParser::argReplaceInput));
+this->ap.addBare("report-memory-usage", this(){c_main->reportMemoryUsage();});
+this->ap.addBare("requires-password", this(){c_main->requiresPassword();});
+this->ap.addBare("show-encryption", this(){c_main->showEncryption();});
+this->ap.addBare("show-encryption-key", this(){c_main->showEncryptionKey();});
+this->ap.addBare("show-linearization", this(){c_main->showLinearization();});
+this->ap.addBare("show-npages", this(){c_main->showNpages();});
+this->ap.addBare("show-pages", this(){c_main->showPages();});
+this->ap.addBare("show-xref", this(){c_main->showXref();});
+this->ap.addBare("static-aes-iv", this(){c_main->staticAesIv();});
+this->ap.addBare("static-id", this(){c_main->staticId();});
+this->ap.addBare("suppress-password-recovery", this(){c_main->suppressPasswordRecovery();});
+this->ap.addBare("suppress-recovery", this(){c_main->suppressRecovery();});
+this->ap.addBare("test-json-schema", this(){c_main->testJsonSchema();});
+this->ap.addBare("underlay", b(&ArgParser::argUnderlay));
+this->ap.addBare("verbose", this(){c_main->verbose();});
+this->ap.addBare("warning-exit-0", this(){c_main->warningExit0();});
+this->ap.addBare("with-images", this(){c_main->withImages();});
+this->ap.addRequiredParameter("compression-level", this(std::string const& x){c_main->compressionLevel(x);}, "level");
+this->ap.addRequiredParameter("copy-encryption", this(std::string const& x){c_main->copyEncryption(x);}, "file");
+this->ap.addRequiredParameter("encryption-file-password", this(std::string const& x){c_main->encryptionFilePassword(x);}, "password");
+this->ap.addRequiredParameter("force-version", this(std::string const& x){c_main->forceVersion(x);}, "version");
+this->ap.addRequiredParameter("ii-min-bytes", this(std::string const& x){c_main->iiMinBytes(x);}, "minimum");
+this->ap.addRequiredParameter("job-json-file", this(std::string const& x){c_main->jobJsonFile(x);}, "file");
+this->ap.addRequiredParameter("json-object", this(std::string const& x){c_main->jsonObject(x);}, "trailer");
+this->ap.addRequiredParameter("keep-files-open-threshold", this(std::string const& x){c_main->keepFilesOpenThreshold(x);}, "count");
+this->ap.addRequiredParameter("linearize-pass1", this(std::string const& x){c_main->linearizePass1(x);}, "filename");
+this->ap.addRequiredParameter("min-version", this(std::string const& x){c_main->minVersion(x);}, "version");
+this->ap.addRequiredParameter("oi-min-area", this(std::string const& x){c_main->oiMinArea(x);}, "minimum");
+this->ap.addRequiredParameter("oi-min-height", this(std::string const& x){c_main->oiMinHeight(x);}, "minimum");
+this->ap.addRequiredParameter("oi-min-width", this(std::string const& x){c_main->oiMinWidth(x);}, "minimum");
+this->ap.addRequiredParameter("password", this(std::string const& x){c_main->password(x);}, "password");
+this->ap.addRequiredParameter("password-file", this(std::string const& x){c_main->passwordFile(x);}, "password");
+this->ap.addRequiredParameter("remove-attachment", this(std::string const& x){c_main->removeAttachment(x);}, "attachment");
+this->ap.addRequiredParameter("rotate", this(std::string const& x){c_main->rotate(x);}, "+|-angle");
+this->ap.addRequiredParameter("show-attachment", this(std::string const& x){c_main->showAttachment(x);}, "attachment");
+this->ap.addRequiredParameter("show-object", this(std::string const& x){c_main->showObject(x);}, "trailer");
+this->ap.addRequiredParameter("json-stream-prefix", this(std::string const& x){c_main->jsonStreamPrefix(x);}, "stream-file-prefix");
+this->ap.addRequiredParameter("update-from-json", this(std::string const& x){c_main->updateFromJson(x);}, "qpdf-json file");
+this->ap.addOptionalParameter("collate", this(std::string const& x){c_main->collate(x);});
+this->ap.addOptionalParameter("split-pages", this(std::string const& x){c_main->splitPages(x);});
+this->ap.addChoices("compress-streams", this(std::string const& x){c_main->compressStreams(x);}, true, yn_choices);
+this->ap.addChoices("decode-level", this(std::string const& x){c_main->decodeLevel(x);}, true, decode_level_choices);
+this->ap.addChoices("flatten-annotations", this(std::string const& x){c_main->flattenAnnotations(x);}, true, flatten_choices);
+this->ap.addChoices("json-key", this(std::string const& x){c_main->jsonKey(x);}, true, json_key_choices);
+this->ap.addChoices("json-stream-data", this(std::string const& x){c_main->jsonStreamData(x);}, true, json_stream_data_choices);
+this->ap.addChoices("keep-files-open", this(std::string const& x){c_main->keepFilesOpen(x);}, true, yn_choices);
+this->ap.addChoices("normalize-content", this(std::string const& x){c_main->normalizeContent(x);}, true, yn_choices);
+this->ap.addChoices("object-streams", this(std::string const& x){c_main->objectStreams(x);}, true, object_streams_choices);
+this->ap.addChoices("password-mode", this(std::string const& x){c_main->passwordMode(x);}, true, password_mode_choices);
+this->ap.addChoices("remove-unreferenced-resources", this(std::string const& x){c_main->removeUnreferencedResources(x);}, true, remove_unref_choices);
+this->ap.addChoices("stream-data", this(std::string const& x){c_main->streamData(x);}, true, stream_data_choices);
+this->ap.addChoices("json", this(std::string const& x){c_main->json(x);}, false, json_version_choices);
+this->ap.addChoices("json-output", this(std::string const& x){c_main->jsonOutput(x);}, false, json_output_choices);
+this->ap.registerOptionTable("pages", b(&ArgParser::argEndPages));
+this->ap.addPositional(p(&ArgParser::argPagesPositional));
+this->ap.addRequiredParameter("password", p(&ArgParser::argPagesPassword), "password");
+this->ap.registerOptionTable("encryption", b(&ArgParser::argEndEncryption));
+this->ap.addPositional(p(&ArgParser::argEncPositional));
+this->ap.registerOptionTable("40-bit encryption", b(&ArgParser::argEnd40BitEncryption));
+this->ap.addChoices("extract", this(std::string const& x){c_enc->extract(x);}, true, yn_choices);
+this->ap.addChoices("annotate", this(std::string const& x){c_enc->annotate(x);}, true, yn_choices);
+this->ap.addChoices("print", this(std::string const& x){c_enc->print(x);}, true, yn_choices);
+this->ap.addChoices("modify", this(std::string const& x){c_enc->modify(x);}, true, yn_choices);
+this->ap.registerOptionTable("128-bit encryption", b(&ArgParser::argEnd128BitEncryption));
+this->ap.addBare("cleartext-metadata", this(){c_enc->cleartextMetadata();});
+this->ap.addBare("force-V4", this(){c_enc->forceV4();});
+this->ap.addChoices("accessibility", this(std::string const& x){c_enc->accessibility(x);}, true, yn_choices);
+this->ap.addChoices("extract", this(std::string const& x){c_enc->extract(x);}, true, yn_choices);
+this->ap.addChoices("print", this(std::string const& x){c_enc->print(x);}, true, print128_choices);
+this->ap.addChoices("assemble", this(std::string const& x){c_enc->assemble(x);}, true, yn_choices);
+this->ap.addChoices("annotate", this(std::string const& x){c_enc->annotate(x);}, true, yn_choices);
+this->ap.addChoices("form", this(std::string const& x){c_enc->form(x);}, true, yn_choices);
+this->ap.addChoices("modify-other", this(std::string const& x){c_enc->modifyOther(x);}, true, yn_choices);
+this->ap.addChoices("modify", this(std::string const& x){c_enc->modify(x);}, true, modify128_choices);
+this->ap.addChoices("use-aes", this(std::string const& x){c_enc->useAes(x);}, true, yn_choices);
+this->ap.registerOptionTable("256-bit encryption", b(&ArgParser::argEnd256BitEncryption));
+this->ap.addBare("cleartext-metadata", this(){c_enc->cleartextMetadata();});
+this->ap.addBare("force-R5", this(){c_enc->forceR5();});
+this->ap.addBare("allow-insecure", this(){c_enc->allowInsecure();});
+this->ap.addChoices("accessibility", this(std::string const& x){c_enc->accessibility(x);}, true, yn_choices);
+this->ap.addChoices("extract", this(std::string const& x){c_enc->extract(x);}, true, yn_choices);
+this->ap.addChoices("print", this(std::string const& x){c_enc->print(x);}, true, print128_choices);
+this->ap.addChoices("assemble", this(std::string const& x){c_enc->assemble(x);}, true, yn_choices);
+this->ap.addChoices("annotate", this(std::string const& x){c_enc->annotate(x);}, true, yn_choices);
+this->ap.addChoices("form", this(std::string const& x){c_enc->form(x);}, true, yn_choices);
+this->ap.addChoices("modify-other", this(std::string const& x){c_enc->modifyOther(x);}, true, yn_choices);
+this->ap.addChoices("modify", this(std::string const& x){c_enc->modify(x);}, true, modify128_choices);
+this->ap.registerOptionTable("underlay/overlay", b(&ArgParser::argEndUnderlayOverlay));
+this->ap.addPositional(p(&ArgParser::argUOPositional));
+this->ap.addRequiredParameter("to", this(std::string const& x){c_uo->to(x);}, "page-range");
+this->ap.addRequiredParameter("from", this(std::string const& x){c_uo->from(x);}, "page-range");
+this->ap.addRequiredParameter("repeat", this(std::string const& x){c_uo->repeat(x);}, "page-range");
+this->ap.addRequiredParameter("password", this(std::string const& x){c_uo->password(x);}, "password");
+this->ap.registerOptionTable("attachment", b(&ArgParser::argEndAttachment));
+this->ap.addPositional(p(&ArgParser::argAttPositional));
+this->ap.addBare("replace", this(){c_att->replace();});
+this->ap.addRequiredParameter("key", this(std::string const& x){c_att->key(x);}, "attachment-key");
+this->ap.addRequiredParameter("filename", this(std::string const& x){c_att->filename(x);}, "filename");
+this->ap.addRequiredParameter("creationdate", this(std::string const& x){c_att->creationdate(x);}, "creation-date");
+this->ap.addRequiredParameter("moddate", this(std::string const& x){c_att->moddate(x);}, "modification-date");
+this->ap.addRequiredParameter("mimetype", this(std::string const& x){c_att->mimetype(x);}, "mime/type");
+this->ap.addRequiredParameter("description", this(std::string const& x){c_att->description(x);}, "description");
+this->ap.registerOptionTable("copy attachment", b(&ArgParser::argEndCopyAttachment));
+this->ap.addPositional(p(&ArgParser::argCopyAttPositional));
+this->ap.addRequiredParameter("prefix", this(std::string const& x){c_copy_att->prefix(x);}, "prefix");
+this->ap.addRequiredParameter("password", this(std::string const& x){c_copy_att->password(x);}, "password");

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/auto_job_json_decl.hh Added

@@ -0,0 +1,54 @@
+//
+// This file is automatically generated by generate_auto_job.
+// Edits will be automatically overwritten if the build is
+// run in maintainer mode.
+//
+// clang-format off
+//
+void setupInputFile();
+void setupPassword();
+void setupEmpty();
+void setupOutputFile();
+void setupReplaceInput();
+void beginEncrypt(JSON);
+void endEncrypt();
+void setupEncryptUserPassword();
+void setupEncryptOwnerPassword();
+void beginEncrypt40bit(JSON);
+void endEncrypt40bit();
+void beginEncrypt128bit(JSON);
+void endEncrypt128bit();
+void beginEncrypt256bit(JSON);
+void endEncrypt256bit();
+void beginJsonKeyArray(JSON);
+void endJsonKeyArray();
+void beginJsonObjectArray(JSON);
+void endJsonObjectArray();
+void beginAddAttachmentArray(JSON);
+void endAddAttachmentArray();
+void beginAddAttachment(JSON);
+void endAddAttachment();
+void setupAddAttachmentFile();
+void beginRemoveAttachmentArray(JSON);
+void endRemoveAttachmentArray();
+void beginCopyAttachmentsFromArray(JSON);
+void endCopyAttachmentsFromArray();
+void beginCopyAttachmentsFrom(JSON);
+void endCopyAttachmentsFrom();
+void setupCopyAttachmentsFromFile();
+void setupCopyAttachmentsFromPassword();
+void beginPagesArray(JSON);
+void endPagesArray();
+void beginPages(JSON);
+void endPages();
+void setupPagesFile();
+void setupPagesPassword();
+void setupPagesRange();
+void beginOverlay(JSON);
+void endOverlay();
+void setupOverlayFile();
+void setupOverlayPassword();
+void beginUnderlay(JSON);
+void endUnderlay();
+void setupUnderlayFile();
+void setupUnderlayPassword();

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/auto_job_json_init.hh Added

@@ -0,0 +1,468 @@
+//
+// This file is automatically generated by generate_auto_job.
+// Edits will be automatically overwritten if the build is
+// run in maintainer mode.
+//
+// clang-format off
+//
+static char const* yn_choices = {"y", "n", 0};
+static char const* password_mode_choices = {"bytes", "hex-bytes", "unicode", "auto", 0};
+static char const* stream_data_choices = {"compress", "preserve", "uncompress", 0};
+static char const* decode_level_choices = {"none", "generalized", "specialized", "all", 0};
+static char const* object_streams_choices = {"disable", "preserve", "generate", 0};
+static char const* remove_unref_choices = {"auto", "yes", "no", 0};
+static char const* flatten_choices = {"all", "print", "screen", 0};
+static char const* json_key_choices = {"acroform", "attachments", "encrypt", "objectinfo", "objects", "outlines", "pagelabels", "pages", "qpdf", 0};
+static char const* json_output_choices = {"2", "latest", 0};
+static char const* json_stream_data_choices = {"none", "inline", "file", 0};
+static char const* json_version_choices = {"1", "2", "latest", 0};
+static char const* print128_choices = {"full", "low", "none", 0};
+static char const* modify128_choices = {"all", "annotate", "form", "assembly", "none", 0};
+
+pushKey("inputFile");
+setupInputFile();
+popHandler(); // key: inputFile
+pushKey("password");
+setupPassword();
+popHandler(); // key: password
+pushKey("passwordFile");
+addParameter(this(std::string const& p) { c_main->passwordFile(p); });
+popHandler(); // key: passwordFile
+pushKey("empty");
+setupEmpty();
+popHandler(); // key: empty
+pushKey("jsonInput");
+addBare(this() { c_main->jsonInput(); });
+popHandler(); // key: jsonInput
+pushKey("outputFile");
+setupOutputFile();
+popHandler(); // key: outputFile
+pushKey("replaceInput");
+setupReplaceInput();
+popHandler(); // key: replaceInput
+pushKey("qdf");
+addBare(this() { c_main->qdf(); });
+popHandler(); // key: qdf
+pushKey("preserveUnreferenced");
+addBare(this() { c_main->preserveUnreferenced(); });
+popHandler(); // key: preserveUnreferenced
+pushKey("newlineBeforeEndstream");
+addBare(this() { c_main->newlineBeforeEndstream(); });
+popHandler(); // key: newlineBeforeEndstream
+pushKey("normalizeContent");
+addChoices(yn_choices, true, this(std::string const& p) { c_main->normalizeContent(p); });
+popHandler(); // key: normalizeContent
+pushKey("streamData");
+addChoices(stream_data_choices, true, this(std::string const& p) { c_main->streamData(p); });
+popHandler(); // key: streamData
+pushKey("compressStreams");
+addChoices(yn_choices, true, this(std::string const& p) { c_main->compressStreams(p); });
+popHandler(); // key: compressStreams
+pushKey("recompressFlate");
+addBare(this() { c_main->recompressFlate(); });
+popHandler(); // key: recompressFlate
+pushKey("decodeLevel");
+addChoices(decode_level_choices, true, this(std::string const& p) { c_main->decodeLevel(p); });
+popHandler(); // key: decodeLevel
+pushKey("decrypt");
+addBare(this() { c_main->decrypt(); });
+popHandler(); // key: decrypt
+pushKey("deterministicId");
+addBare(this() { c_main->deterministicId(); });
+popHandler(); // key: deterministicId
+pushKey("staticAesIv");
+addBare(this() { c_main->staticAesIv(); });
+popHandler(); // key: staticAesIv
+pushKey("staticId");
+addBare(this() { c_main->staticId(); });
+popHandler(); // key: staticId
+pushKey("noOriginalObjectIds");
+addBare(this() { c_main->noOriginalObjectIds(); });
+popHandler(); // key: noOriginalObjectIds
+pushKey("copyEncryption");
+addParameter(this(std::string const& p) { c_main->copyEncryption(p); });
+popHandler(); // key: copyEncryption
+pushKey("encryptionFilePassword");
+addParameter(this(std::string const& p) { c_main->encryptionFilePassword(p); });
+popHandler(); // key: encryptionFilePassword
+pushKey("linearize");
+addBare(this() { c_main->linearize(); });
+popHandler(); // key: linearize
+pushKey("linearizePass1");
+addParameter(this(std::string const& p) { c_main->linearizePass1(p); });
+popHandler(); // key: linearizePass1
+pushKey("objectStreams");
+addChoices(object_streams_choices, true, this(std::string const& p) { c_main->objectStreams(p); });
+popHandler(); // key: objectStreams
+pushKey("minVersion");
+addParameter(this(std::string const& p) { c_main->minVersion(p); });
+popHandler(); // key: minVersion
+pushKey("forceVersion");
+addParameter(this(std::string const& p) { c_main->forceVersion(p); });
+popHandler(); // key: forceVersion
+pushKey("progress");
+addBare(this() { c_main->progress(); });
+popHandler(); // key: progress
+pushKey("splitPages");
+addParameter(this(std::string const& p) { c_main->splitPages(p); });
+popHandler(); // key: splitPages
+pushKey("jsonOutput");
+addChoices(json_output_choices, false, this(std::string const& p) { c_main->jsonOutput(p); });
+popHandler(); // key: jsonOutput
+pushKey("encrypt");
+beginDict(bindJSON(&Handlers::beginEncrypt), bindBare(&Handlers::endEncrypt)); // .encrypt
+pushKey("userPassword");
+setupEncryptUserPassword();
+popHandler(); // key: userPassword
+pushKey("ownerPassword");
+setupEncryptOwnerPassword();
+popHandler(); // key: ownerPassword
+pushKey("40bit");
+beginDict(bindJSON(&Handlers::beginEncrypt40bit), bindBare(&Handlers::endEncrypt40bit)); // .encrypt.40bit
+pushKey("annotate");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->annotate(p); });
+popHandler(); // key: annotate
+pushKey("extract");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->extract(p); });
+popHandler(); // key: extract
+pushKey("modify");
+addChoices(modify128_choices, true, this(std::string const& p) { c_enc->modify(p); });
+popHandler(); // key: modify
+pushKey("print");
+addChoices(print128_choices, true, this(std::string const& p) { c_enc->print(p); });
+popHandler(); // key: print
+popHandler(); // key: 40bit
+pushKey("128bit");
+beginDict(bindJSON(&Handlers::beginEncrypt128bit), bindBare(&Handlers::endEncrypt128bit)); // .encrypt.128bit
+pushKey("accessibility");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->accessibility(p); });
+popHandler(); // key: accessibility
+pushKey("annotate");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->annotate(p); });
+popHandler(); // key: annotate
+pushKey("assemble");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->assemble(p); });
+popHandler(); // key: assemble
+pushKey("cleartextMetadata");
+addBare(this() { c_enc->cleartextMetadata(); });
+popHandler(); // key: cleartextMetadata
+pushKey("extract");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->extract(p); });
+popHandler(); // key: extract
+pushKey("form");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->form(p); });
+popHandler(); // key: form
+pushKey("modifyOther");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->modifyOther(p); });
+popHandler(); // key: modifyOther
+pushKey("modify");
+addChoices(modify128_choices, true, this(std::string const& p) { c_enc->modify(p); });
+popHandler(); // key: modify
+pushKey("print");
+addChoices(print128_choices, true, this(std::string const& p) { c_enc->print(p); });
+popHandler(); // key: print
+pushKey("forceV4");
+addBare(this() { c_enc->forceV4(); });
+popHandler(); // key: forceV4
+pushKey("useAes");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->useAes(p); });
+popHandler(); // key: useAes
+popHandler(); // key: 128bit
+pushKey("256bit");
+beginDict(bindJSON(&Handlers::beginEncrypt256bit), bindBare(&Handlers::endEncrypt256bit)); // .encrypt.256bit
+pushKey("accessibility");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->accessibility(p); });
+popHandler(); // key: accessibility
+pushKey("annotate");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->annotate(p); });
+popHandler(); // key: annotate
+pushKey("assemble");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->assemble(p); });
+popHandler(); // key: assemble
+pushKey("cleartextMetadata");
+addBare(this() { c_enc->cleartextMetadata(); });
+popHandler(); // key: cleartextMetadata
+pushKey("extract");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->extract(p); });
+popHandler(); // key: extract
+pushKey("form");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->form(p); });
+popHandler(); // key: form
+pushKey("modifyOther");
+addChoices(yn_choices, true, this(std::string const& p) { c_enc->modifyOther(p); });
+popHandler(); // key: modifyOther
+pushKey("modify");
+addChoices(modify128_choices, true, this(std::string const& p) { c_enc->modify(p); });
+popHandler(); // key: modify
+pushKey("print");
+addChoices(print128_choices, true, this(std::string const& p) { c_enc->print(p); });
+popHandler(); // key: print
+pushKey("allowInsecure");
+addBare(this() { c_enc->allowInsecure(); });
+popHandler(); // key: allowInsecure
+pushKey("forceR5");
+addBare(this() { c_enc->forceR5(); });
+popHandler(); // key: forceR5
+popHandler(); // key: 256bit
+popHandler(); // key: encrypt
+pushKey("check");
+addBare(this() { c_main->check(); });
+popHandler(); // key: check
+pushKey("checkLinearization");
+addBare(this() { c_main->checkLinearization(); });
+popHandler(); // key: checkLinearization
+pushKey("filteredStreamData");
+addBare(this() { c_main->filteredStreamData(); });
+popHandler(); // key: filteredStreamData
+pushKey("rawStreamData");
+addBare(this() { c_main->rawStreamData(); });
+popHandler(); // key: rawStreamData
+pushKey("showEncryption");
+addBare(this() { c_main->showEncryption(); });
+popHandler(); // key: showEncryption
+pushKey("showEncryptionKey");
+addBare(this() { c_main->showEncryptionKey(); });
+popHandler(); // key: showEncryptionKey
+pushKey("showLinearization");
+addBare(this() { c_main->showLinearization(); });
+popHandler(); // key: showLinearization
+pushKey("showNpages");
+addBare(this() { c_main->showNpages(); });
+popHandler(); // key: showNpages
+pushKey("showObject");
+addParameter(this(std::string const& p) { c_main->showObject(p); });
+popHandler(); // key: showObject
+pushKey("showPages");
+addBare(this() { c_main->showPages(); });
+popHandler(); // key: showPages
+pushKey("showXref");
+addBare(this() { c_main->showXref(); });
+popHandler(); // key: showXref
+pushKey("withImages");
+addBare(this() { c_main->withImages(); });
+popHandler(); // key: withImages
+pushKey("listAttachments");
+addBare(this() { c_main->listAttachments(); });
+popHandler(); // key: listAttachments
+pushKey("showAttachment");
+addParameter(this(std::string const& p) { c_main->showAttachment(p); });
+popHandler(); // key: showAttachment
+pushKey("json");
+addChoices(json_version_choices, false, this(std::string const& p) { c_main->json(p); });
+popHandler(); // key: json
+pushKey("jsonKey");
+beginArray(bindJSON(&Handlers::beginJsonKeyArray), bindBare(&Handlers::endJsonKeyArray)); // .jsonKey
+addChoices(json_key_choices, true, this(std::string const& p) { c_main->jsonKey(p); });
+popHandler(); // array: .jsonKey
+popHandler(); // key: jsonKey
+pushKey("jsonObject");
+beginArray(bindJSON(&Handlers::beginJsonObjectArray), bindBare(&Handlers::endJsonObjectArray)); // .jsonObject
+addParameter(this(std::string const& p) { c_main->jsonObject(p); });
+popHandler(); // array: .jsonObject
+popHandler(); // key: jsonObject
+pushKey("jsonStreamData");
+addChoices(json_stream_data_choices, true, this(std::string const& p) { c_main->jsonStreamData(p); });
+popHandler(); // key: jsonStreamData
+pushKey("jsonStreamPrefix");
+addParameter(this(std::string const& p) { c_main->jsonStreamPrefix(p); });
+popHandler(); // key: jsonStreamPrefix
+pushKey("updateFromJson");
+addParameter(this(std::string const& p) { c_main->updateFromJson(p); });
+popHandler(); // key: updateFromJson
+pushKey("allowWeakCrypto");
+addBare(this() { c_main->allowWeakCrypto(); });
+popHandler(); // key: allowWeakCrypto
+pushKey("keepFilesOpen");
+addChoices(yn_choices, true, this(std::string const& p) { c_main->keepFilesOpen(p); });
+popHandler(); // key: keepFilesOpen
+pushKey("keepFilesOpenThreshold");
+addParameter(this(std::string const& p) { c_main->keepFilesOpenThreshold(p); });
+popHandler(); // key: keepFilesOpenThreshold
+pushKey("noWarn");
+addBare(this() { c_main->noWarn(); });
+popHandler(); // key: noWarn
+pushKey("verbose");
+addBare(this() { c_main->verbose(); });
+popHandler(); // key: verbose
+pushKey("testJsonSchema");
+addBare(this() { c_main->testJsonSchema(); });
+popHandler(); // key: testJsonSchema
+pushKey("ignoreXrefStreams");
+addBare(this() { c_main->ignoreXrefStreams(); });
+popHandler(); // key: ignoreXrefStreams
+pushKey("passwordIsHexKey");
+addBare(this() { c_main->passwordIsHexKey(); });
+popHandler(); // key: passwordIsHexKey
+pushKey("passwordMode");
+addChoices(password_mode_choices, true, this(std::string const& p) { c_main->passwordMode(p); });
+popHandler(); // key: passwordMode
+pushKey("suppressPasswordRecovery");
+addBare(this() { c_main->suppressPasswordRecovery(); });
+popHandler(); // key: suppressPasswordRecovery
+pushKey("suppressRecovery");
+addBare(this() { c_main->suppressRecovery(); });
+popHandler(); // key: suppressRecovery
+pushKey("coalesceContents");
+addBare(this() { c_main->coalesceContents(); });
+popHandler(); // key: coalesceContents
+pushKey("compressionLevel");
+addParameter(this(std::string const& p) { c_main->compressionLevel(p); });
+popHandler(); // key: compressionLevel
+pushKey("externalizeInlineImages");
+addBare(this() { c_main->externalizeInlineImages(); });
+popHandler(); // key: externalizeInlineImages
+pushKey("iiMinBytes");
+addParameter(this(std::string const& p) { c_main->iiMinBytes(p); });
+popHandler(); // key: iiMinBytes
+pushKey("removeUnreferencedResources");
+addChoices(remove_unref_choices, true, this(std::string const& p) { c_main->removeUnreferencedResources(p); });
+popHandler(); // key: removeUnreferencedResources
+pushKey("addAttachment");
+beginArray(bindJSON(&Handlers::beginAddAttachmentArray), bindBare(&Handlers::endAddAttachmentArray)); // .addAttachment
+beginDict(bindJSON(&Handlers::beginAddAttachment), bindBare(&Handlers::endAddAttachment)); // .addAttachment
+pushKey("file");
+setupAddAttachmentFile();
+popHandler(); // key: file
+pushKey("creationdate");
+addParameter(this(std::string const& p) { c_att->creationdate(p); });
+popHandler(); // key: creationdate
+pushKey("description");
+addParameter(this(std::string const& p) { c_att->description(p); });
+popHandler(); // key: description
+pushKey("filename");
+addParameter(this(std::string const& p) { c_att->filename(p); });
+popHandler(); // key: filename
+pushKey("key");
+addParameter(this(std::string const& p) { c_att->key(p); });
+popHandler(); // key: key
+pushKey("mimetype");
+addParameter(this(std::string const& p) { c_att->mimetype(p); });
+popHandler(); // key: mimetype
+pushKey("moddate");
+addParameter(this(std::string const& p) { c_att->moddate(p); });
+popHandler(); // key: moddate
+pushKey("replace");
+addBare(this() { c_att->replace(); });
+popHandler(); // key: replace
+popHandler(); // array: .addAttachment
+popHandler(); // key: addAttachment
+pushKey("removeAttachment");
+beginArray(bindJSON(&Handlers::beginRemoveAttachmentArray), bindBare(&Handlers::endRemoveAttachmentArray)); // .removeAttachment
+addParameter(this(std::string const& p) { c_main->removeAttachment(p); });
+popHandler(); // array: .removeAttachment
+popHandler(); // key: removeAttachment
+pushKey("copyAttachmentsFrom");
+beginArray(bindJSON(&Handlers::beginCopyAttachmentsFromArray), bindBare(&Handlers::endCopyAttachmentsFromArray)); // .copyAttachmentsFrom
+beginDict(bindJSON(&Handlers::beginCopyAttachmentsFrom), bindBare(&Handlers::endCopyAttachmentsFrom)); // .copyAttachmentsFrom
+pushKey("file");
+setupCopyAttachmentsFromFile();
+popHandler(); // key: file
+pushKey("password");
+setupCopyAttachmentsFromPassword();
+popHandler(); // key: password
+pushKey("prefix");
+addParameter(this(std::string const& p) { c_copy_att->prefix(p); });
+popHandler(); // key: prefix
+popHandler(); // array: .copyAttachmentsFrom
+popHandler(); // key: copyAttachmentsFrom
+pushKey("collate");
+addParameter(this(std::string const& p) { c_main->collate(p); });
+popHandler(); // key: collate
+pushKey("flattenAnnotations");
+addChoices(flatten_choices, true, this(std::string const& p) { c_main->flattenAnnotations(p); });
+popHandler(); // key: flattenAnnotations
+pushKey("flattenRotation");
+addBare(this() { c_main->flattenRotation(); });
+popHandler(); // key: flattenRotation
+pushKey("generateAppearances");
+addBare(this() { c_main->generateAppearances(); });
+popHandler(); // key: generateAppearances
+pushKey("keepInlineImages");
+addBare(this() { c_main->keepInlineImages(); });
+popHandler(); // key: keepInlineImages
+pushKey("oiMinArea");
+addParameter(this(std::string const& p) { c_main->oiMinArea(p); });
+popHandler(); // key: oiMinArea
+pushKey("oiMinHeight");
+addParameter(this(std::string const& p) { c_main->oiMinHeight(p); });
+popHandler(); // key: oiMinHeight
+pushKey("oiMinWidth");
+addParameter(this(std::string const& p) { c_main->oiMinWidth(p); });
+popHandler(); // key: oiMinWidth
+pushKey("optimizeImages");
+addBare(this() { c_main->optimizeImages(); });
+popHandler(); // key: optimizeImages
+pushKey("pages");
+beginArray(bindJSON(&Handlers::beginPagesArray), bindBare(&Handlers::endPagesArray)); // .pages
+beginDict(bindJSON(&Handlers::beginPages), bindBare(&Handlers::endPages)); // .pages
+pushKey("file");
+setupPagesFile();
+popHandler(); // key: file
+pushKey("password");
+setupPagesPassword();
+popHandler(); // key: password
+pushKey("range");
+setupPagesRange();
+popHandler(); // key: range
+popHandler(); // array: .pages
+popHandler(); // key: pages
+pushKey("removePageLabels");
+addBare(this() { c_main->removePageLabels(); });
+popHandler(); // key: removePageLabels
+pushKey("reportMemoryUsage");
+addBare(this() { c_main->reportMemoryUsage(); });
+popHandler(); // key: reportMemoryUsage
+pushKey("rotate");
+addParameter(this(std::string const& p) { c_main->rotate(p); });
+popHandler(); // key: rotate
+pushKey("overlay");
+beginDict(bindJSON(&Handlers::beginOverlay), bindBare(&Handlers::endOverlay)); // .overlay
+pushKey("file");
+setupOverlayFile();
+popHandler(); // key: file
+pushKey("password");
+setupOverlayPassword();
+popHandler(); // key: password
+pushKey("from");
+addParameter(this(std::string const& p) { c_uo->from(p); });
+popHandler(); // key: from
+pushKey("repeat");
+addParameter(this(std::string const& p) { c_uo->repeat(p); });
+popHandler(); // key: repeat
+pushKey("to");
+addParameter(this(std::string const& p) { c_uo->to(p); });
+popHandler(); // key: to
+popHandler(); // key: overlay
+pushKey("underlay");
+beginDict(bindJSON(&Handlers::beginUnderlay), bindBare(&Handlers::endUnderlay)); // .underlay
+pushKey("file");
+setupUnderlayFile();
+popHandler(); // key: file
+pushKey("password");
+setupUnderlayPassword();
+popHandler(); // key: password
+pushKey("from");
+addParameter(this(std::string const& p) { c_uo->from(p); });
+popHandler(); // key: from
+pushKey("repeat");
+addParameter(this(std::string const& p) { c_uo->repeat(p); });
+popHandler(); // key: repeat
+pushKey("to");
+addParameter(this(std::string const& p) { c_uo->to(p); });
+popHandler(); // key: to
+popHandler(); // key: underlay
+pushKey("warningExit0");
+addBare(this() { c_main->warningExit0(); });
+popHandler(); // key: warningExit0
+pushKey("jobJsonFile");
+addParameter(this(std::string const& p) { c_main->jobJsonFile(p); });
+popHandler(); // key: jobJsonFile
+pushKey("preserveUnreferencedResources");
+addBare(this() { c_main->preserveUnreferencedResources(); });
+popHandler(); // key: preserveUnreferencedResources
+pushKey("requiresPassword");
+addBare(this() { c_main->requiresPassword(); });
+popHandler(); // key: requiresPassword
+pushKey("isEncrypted");
+addBare(this() { c_main->isEncrypted(); });
+popHandler(); // key: isEncrypted

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/auto_job_schema.hh Added

@@ -0,0 +1,168 @@
+static constexpr char const* JOB_SCHEMA_DATA = R"({
+  "inputFile": "input filename",
+  "password": "password for encrypted file",
+  "passwordFile": "read password from a file",
+  "empty": "use empty file as input",
+  "jsonInput": "input file is qpdf JSON",
+  "outputFile": "output filename",
+  "replaceInput": "overwrite input with output",
+  "qdf": "enable viewing PDF code in a text editor",
+  "preserveUnreferenced": "preserve unreferenced objects",
+  "newlineBeforeEndstream": "force a newline before endstream",
+  "normalizeContent": "fix newlines in content streams",
+  "streamData": "control stream compression",
+  "compressStreams": "compress uncompressed streams",
+  "recompressFlate": "uncompress and recompress flate",
+  "decodeLevel": "control which streams to uncompress",
+  "decrypt": "remove encryption from input file",
+  "deterministicId": "generate ID deterministically",
+  "staticAesIv": "use a fixed AES vector",
+  "staticId": "use a fixed document ID",
+  "noOriginalObjectIds": "omit original object IDs in qdf",
+  "copyEncryption": "copy another file's encryption details",
+  "encryptionFilePassword": "supply password for copyEncryption",
+  "linearize": "linearize (web-optimize) output",
+  "linearizePass1": "save pass 1 of linearization",
+  "objectStreams": "control use of object streams",
+  "minVersion": "set minimum PDF version",
+  "forceVersion": "set output PDF version",
+  "progress": "show progress when writing",
+  "splitPages": "write pages to separate files",
+  "jsonOutput": "apply defaults for JSON serialization",
+  "encrypt": {
+    "userPassword": "user password",
+    "ownerPassword": "owner password",
+    "40bit": {
+      "annotate": "restrict document annotation",
+      "extract": "restrict text/graphic extraction",
+      "modify": "restrict document modification",
+      "print": "restrict printing"
+    },
+    "128bit": {
+      "accessibility": "restrict document accessibility",
+      "annotate": "restrict document annotation",
+      "assemble": "restrict document assembly",
+      "cleartextMetadata": "don't encrypt metadata",
+      "extract": "restrict text/graphic extraction",
+      "form": "restrict form filling",
+      "modifyOther": "restrict other modifications",
+      "modify": "restrict document modification",
+      "print": "restrict printing",
+      "forceV4": "force V=4 in encryption dictionary",
+      "useAes": "use AES with 128-bit encryption"
+    },
+    "256bit": {
+      "accessibility": "restrict document accessibility",
+      "annotate": "restrict document annotation",
+      "assemble": "restrict document assembly",
+      "cleartextMetadata": "don't encrypt metadata",
+      "extract": "restrict text/graphic extraction",
+      "form": "restrict form filling",
+      "modifyOther": "restrict other modifications",
+      "modify": "restrict document modification",
+      "print": "restrict printing",
+      "allowInsecure": "allow empty owner passwords",
+      "forceR5": "use unsupported R=5 encryption"
+    }
+  },
+  "check": "partially check whether PDF is valid",
+  "checkLinearization": "check linearization tables",
+  "filteredStreamData": "show filtered stream data",
+  "rawStreamData": "show raw stream data",
+  "showEncryption": "information about encrypted files",
+  "showEncryptionKey": "show key with showEncryption",
+  "showLinearization": "show linearization hint tables",
+  "showNpages": "show number of pages",
+  "showObject": "show contents of an object",
+  "showPages": "display page dictionary information",
+  "showXref": "show cross reference data",
+  "withImages": "include image details with showPages",
+  "listAttachments": "list embedded files",
+  "showAttachment": "export an embedded file",
+  "json": "show file in JSON format",
+  "jsonKey": 
+    "limit which keys are in JSON output"
+  ,
+  "jsonObject": 
+    "limit which objects are in JSON"
+  ,
+  "jsonStreamData": "how to handle streams in json output",
+  "jsonStreamPrefix": "prefix for json stream data files",
+  "updateFromJson": "update a PDF from qpdf JSON",
+  "allowWeakCrypto": "allow insecure cryptographic algorithms",
+  "keepFilesOpen": "manage keeping multiple files open",
+  "keepFilesOpenThreshold": "set threshold for keepFilesOpen",
+  "noWarn": "suppress printing of warning messages",
+  "verbose": "print additional information",
+  "testJsonSchema": "test generated json against schema",
+  "ignoreXrefStreams": "use xref tables rather than streams",
+  "passwordIsHexKey": "provide hex-encoded encryption key",
+  "passwordMode": "tweak how qpdf encodes passwords",
+  "suppressPasswordRecovery": "don't try different password encodings",
+  "suppressRecovery": "suppress error recovery",
+  "coalesceContents": "combine content streams",
+  "compressionLevel": "set compression level for flate",
+  "externalizeInlineImages": "convert inline to regular images",
+  "iiMinBytes": "set minimum size for externalizeInlineImages",
+  "removeUnreferencedResources": "remove unreferenced page resources",
+  "addAttachment": 
+    {
+      "file": "file to attach",
+      "creationdate": "set attachment's creation date",
+      "description": "set attachment's description",
+      "filename": "set attachment's displayed filename",
+      "key": "specify attachment key",
+      "mimetype": "attachment mime type, e.g. application/pdf",
+      "moddate": "set attachment's modification date",
+      "replace": "replace attachment with same key"
+    }
+  ,
+  "removeAttachment": 
+    "remove an embedded file"
+  ,
+  "copyAttachmentsFrom": 
+    {
+      "file": "file to copy attachments from",
+      "password": "password for encrypted file",
+      "prefix": "key prefix for copying attachments"
+    }
+  ,
+  "collate": "collate with pages",
+  "flattenAnnotations": "push annotations into content",
+  "flattenRotation": "remove rotation from page dictionary",
+  "generateAppearances": "generate appearances for form fields",
+  "keepInlineImages": "exclude inline images from optimization",
+  "oiMinArea": "minimum area for optimizeImages",
+  "oiMinHeight": "minimum height for optimizeImages",
+  "oiMinWidth": "minimum width for optimizeImages",
+  "optimizeImages": "use efficient compression for images",
+  "pages": 
+    {
+      "file": "source for for pages",
+      "password": "password for encrypted file",
+      "range": "page range"
+    }
+  ,
+  "removePageLabels": "remove explicit page numbers",
+  "reportMemoryUsage": "best effort report of memory usage",
+  "rotate": "rotate pages",
+  "overlay": {
+    "file": "source file for overlay",
+    "password": "password for encrypted file",
+    "from": "source pages for underlay/overlay",
+    "repeat": "overlay/underlay pages to repeat",
+    "to": "destination pages for underlay/overlay"
+  },
+  "underlay": {
+    "file": "source file for underlay",
+    "password": "password for encrypted file",
+    "from": "source pages for underlay/overlay",
+    "repeat": "overlay/underlay pages to repeat",
+    "to": "destination pages for underlay/overlay"
+  },
+  "warningExit0": "exit 0 even with warnings",
+  "jobJsonFile": "job JSON file",
+  "preserveUnreferencedResources": "use removeUnreferencedResources=no",
+  "requiresPassword": "silently test a file's password",
+  "isEncrypted": "silently test whether a file is encrypted"
+})";

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/bits_functions.hh Added

@@ -0,0 +1,152 @@
+#ifndef __BITS_FUNCTIONS_HH__
+#define __BITS_FUNCTIONS_HH__
+
+#include <qpdf/Pipeline.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <algorithm>
+#include <stdexcept>
+
+// This file is #included by specific source files, which must define
+// certain preprocessor symbols. These functions may be run at places
+// where the function call overhead from test coverage testing would
+// be too high. Therefore, we make the test coverage cases conditional
+// upon a preprocessor symbol. Library code includes this file without
+// BITS_TESTING, and the specially designed test code that fully
+// exercises this code includes with the symbol defined.
+
+#ifdef BITS_READ
+static unsigned long long
+read_bits(
+    unsigned char const*& p,
+    size_t& bit_offset,
+    size_t& bits_available,
+    size_t bits_wanted)
+{
+    // View p as a stream of bits:
+
+    // 76543210 76543210 ....
+
+    // bit_offset is the bit number within the first byte that marks
+    // the first bit that we would read.
+
+    if (bits_wanted > bits_available) {
+        throw std::runtime_error(
+            "overflow reading bit stream: wanted = " +
+            QUtil::uint_to_string(bits_wanted) +
+            "; available = " + QUtil::uint_to_string(bits_available));
+    }
+    if (bits_wanted > 32) {
+        throw std::out_of_range("read_bits: too many bits requested");
+    }
+
+    unsigned long result = 0;
+# ifdef BITS_TESTING
+    if (bits_wanted == 0) {
+        QTC::TC("libtests", "bits zero bits wanted");
+    }
+# endif
+    while (bits_wanted > 0) {
+        // Grab bits from the first byte clearing anything before
+        // bit_offset.
+        unsigned char byte =
+            static_cast<unsigned char>(*p & ((1U << (bit_offset + 1U)) - 1U));
+
+        // There are bit_offset + 1 bits available in the first byte.
+        size_t to_copy = std::min(bits_wanted, bit_offset + 1);
+        size_t leftover = (bit_offset + 1) - to_copy;
+
+# ifdef BITS_TESTING
+        QTC::TC(
+            "libtests",
+            "bits bit_offset",
+            ((bit_offset == 0)       ? 0
+                 : (bit_offset == 7) ? 1
+                                     : 2));
+        QTC::TC("libtests", "bits leftover", (leftover > 0) ? 1 : 0);
+# endif
+
+        // Right shift so that all the bits we want are right justified.
+        byte = static_cast<unsigned char>(byte >> leftover);
+
+        // Copy the bits into result
+        result <<= to_copy;
+        result |= byte;
+
+        // Update pointers
+        if (leftover) {
+            bit_offset = leftover - 1;
+        } else {
+            bit_offset = 7;
+            ++p;
+        }
+        bits_wanted -= to_copy;
+        bits_available -= to_copy;
+
+# ifdef BITS_TESTING
+        QTC::TC(
+            "libtests",
+            "bits iterations",
+            ((bits_wanted > 8)       ? 0
+                 : (bits_wanted > 0) ? 1
+                                     : 2));
+# endif
+    }
+
+    return result;
+}
+#endif
+
+#ifdef BITS_WRITE
+static void
+write_bits(
+    unsigned char& ch,
+    size_t& bit_offset,
+    unsigned long long val,
+    size_t bits,
+    Pipeline* pipeline)
+{
+    if (bits > 32) {
+        throw std::out_of_range("write_bits: too many bits requested");
+    }
+
+    // bit_offset + 1 is the number of bits left in ch
+# ifdef BITS_TESTING
+    if (bits == 0) {
+        QTC::TC("libtests", "bits write zero bits");
+    }
+# endif
+    while (bits > 0) {
+        size_t bits_to_write = std::min(bits, bit_offset + 1);
+        unsigned char newval = static_cast<unsigned char>(
+            (val >> (bits - bits_to_write)) & ((1U << bits_to_write) - 1));
+        size_t bits_left_in_ch = bit_offset + 1 - bits_to_write;
+        newval = static_cast<unsigned char>(newval << bits_left_in_ch);
+        ch |= newval;
+        if (bits_left_in_ch == 0) {
+# ifdef BITS_TESTING
+            QTC::TC("libtests", "bits write pipeline");
+# endif
+            pipeline->write(&ch, 1);
+            bit_offset = 7;
+            ch = 0;
+        } else {
+# ifdef BITS_TESTING
+            QTC::TC("libtests", "bits write leftover");
+# endif
+            bit_offset -= bits_to_write;
+        }
+        bits -= bits_to_write;
+# ifdef BITS_TESTING
+        QTC::TC(
+            "libtests",
+            "bits write iterations",
+            ((bits > 8)       ? 0
+                 : (bits > 0) ? 1
+                              : 2));
+# endif
+    }
+}
+#endif
+
+#endif // __BITS_FUNCTIONS_HH__

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/qpdf-config.h.in -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/qpdf-config.h.in Changed

@@ -1,106 +1,31 @@
-/* libqpdf/qpdf/qpdf-config.h.in.  Generated from configure.ac by autoheader.  */
-
-/* Whether to avoid use of HANDLE in Windows */
-#undef AVOID_WINDOWS_HANDLE
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-#undef HAVE_DLFCN_H
-
-/* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
-#undef HAVE_FSEEKO
-
-/* Define to 1 if you have the `fseeko64' function. */
-#undef HAVE_FSEEKO64
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#undef HAVE_INTTYPES_H
-
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
-/* Define to 1 if you have the `random' function. */
-#undef HAVE_RANDOM
-
-/* Define to 1 (and set RANDOM_DEVICE) if a random device is available */
-#undef HAVE_RANDOM_DEVICE
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#undef HAVE_STDINT_H
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#undef HAVE_STDLIB_H
-
-/* Define to 1 if you have the <strings.h> header file. */
-#undef HAVE_STRINGS_H
-
-/* Define to 1 if you have the <string.h> header file. */
-#undef HAVE_STRING_H
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#undef HAVE_SYS_STAT_H
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#undef HAVE_SYS_TYPES_H
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#undef HAVE_UNISTD_H
-
-/* Define to the sub-directory where libtool stores uninstalled libraries. */
-#undef LT_OBJDIR
-
-/* Define to the address where bug reports for this package should be sent. */
-#undef PACKAGE_BUGREPORT
-
-/* Define to the full name of this package. */
-#undef PACKAGE_NAME
-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the home page for this package. */
-#undef PACKAGE_URL
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* Define to the filename of the random device (and set HAVE_RANDOM_DEVICE) */
-#undef RANDOM_DEVICE
-
-/* Whether to suppres use of OS-provided secure random numbers */
-#undef SKIP_OS_SECURE_RANDOM
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Whether to use insecure random numbers */
-#undef USE_INSECURE_RANDOM
-
-/* Enable large inode numbers on Mac OS X 10.5.  */
-#ifndef _DARWIN_USE_64_BIT_INODE
-# define _DARWIN_USE_64_BIT_INODE 1
-#endif
-
-/* Number of bits in a file offset, on hosts where this is settable. */
-#undef _FILE_OFFSET_BITS
-
-/* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */
-#undef _LARGEFILE_SOURCE
-
-/* Define for large files, on AIX-style hosts. */
-#undef _LARGE_FILES
-
-/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>,
-   <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
-   #define below would cause a syntax error. */
-#undef _UINT32_T
-
-/* Define to the type of an unsigned integer type of width exactly 16 bits if
-   such a type exists and the standard includes do not define it. */
-#undef uint16_t
-
-/* Define to the type of an unsigned integer type of width exactly 32 bits if
-   such a type exists and the standard includes do not define it. */
-#undef uint32_t
+/* options */
+#cmakedefine AVOID_WINDOWS_HANDLE 1
+#cmakedefine DEFAULT_CRYPTO "${DEFAULT_CRYPTO}"
+#cmakedefine USE_CRYPTO_GNUTLS 1
+#cmakedefine USE_CRYPTO_NATIVE 1
+#cmakedefine USE_CRYPTO_OPENSSL 1
+#cmakedefine USE_INSECURE_RANDOM 1
+#cmakedefine SKIP_OS_SECURE_RANDOM 1
+
+/* large file support -- may be needed for 32-bit systems */
+#cmakedefine _FILE_OFFSET_BITS ${_FILE_OFFSET_BITS}
+
+/* headers files */
+#cmakedefine HAVE_INTTYPES_H 1
+#cmakedefine HAVE_STDINT_H 1
+
+/* OS functions and symbols */
+#cmakedefine HAVE_EXTERN_LONG_TIMEZONE 1
+#cmakedefine HAVE_FSEEKO 1
+#cmakedefine HAVE_FSEEKO64 1
+#cmakedefine HAVE_LOCALTIME_R 1
+#cmakedefine HAVE_RANDOM 1
+#cmakedefine HAVE_TM_GMTOFF 1
+#cmakedefine HAVE_MALLOC_INFO 1
+#cmakedefine HAVE_OPEN_MEMSTREAM 1
+
+/* system random device (e.g. /dev/random) if any */
+#cmakedefine RANDOM_DEVICE "${RANDOM_DEVICE}"
+
+/* bytes in the size_t type */
+#cmakedefine SIZEOF_SIZE_T ${SIZEOF_SIZE_T}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/qpdflogger-c_impl.hh Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/rijndael.h -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdf/rijndael.h Changed

@@ -8,18 +8,25 @@
 #ifdef HAVE_STDINT_H
 # include <stdint.h>
 #endif
+#include <stddef.h>
 
-int rijndaelSetupEncrypt(uint32_t *rk, const unsigned char *key,
-  int keybits);
-int rijndaelSetupDecrypt(uint32_t *rk, const unsigned char *key,
-  int keybits);
-void rijndaelEncrypt(const uint32_t *rk, int nrounds,
-  const unsigned char plaintext16, unsigned char ciphertext16);
-void rijndaelDecrypt(const uint32_t *rk, int nrounds,
-  const unsigned char ciphertext16, unsigned char plaintext16);
+unsigned int
+rijndaelSetupEncrypt(uint32_t* rk, const unsigned char* key, size_t keybits);
+unsigned int
+rijndaelSetupDecrypt(uint32_t* rk, const unsigned char* key, size_t keybits);
+void rijndaelEncrypt(
+    const uint32_t* rk,
+    unsigned int nrounds,
+    const unsigned char plaintext16,
+    unsigned char ciphertext16);
+void rijndaelDecrypt(
+    const uint32_t* rk,
+    unsigned int nrounds,
+    const unsigned char ciphertext16,
+    unsigned char plaintext16);
 
-#define KEYLENGTH(keybits) ((keybits)/8)
-#define RKLENGTH(keybits)  ((keybits)/8+28)
-#define NROUNDS(keybits)   ((keybits)/32+6)
+#define KEYLENGTH(keybits) ((keybits) / 8)
+#define RKLENGTH(keybits) ((keybits) / 8 + 28)
+#define NROUNDS(keybits) ((keybits) / 32 + 6)
 
 #endif

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdfjob-c.cc Added

@@ -0,0 +1,147 @@
+#include <qpdf/qpdfjob-c.h>
+
+#include <qpdf/QPDFJob.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/qpdflogger-c_impl.hh>
+
+#include <cstdio>
+#include <cstring>
+
+struct _qpdfjob_handle
+{
+    _qpdfjob_handle() = default;
+    ~_qpdfjob_handle() = default;
+
+    QPDFJob j;
+};
+
+qpdfjob_handle
+qpdfjob_init()
+{
+    return new _qpdfjob_handle;
+}
+
+void
+qpdfjob_cleanup(qpdfjob_handle* j)
+{
+    delete *j;
+    *j = nullptr;
+}
+
+static int
+wrap_qpdfjob(qpdfjob_handle j, std::function<int(qpdfjob_handle j)> fn)
+{
+    try {
+        return fn(j);
+    } catch (std::exception& e) {
+        *j->j.getLogger()->getError()
+            << j->j.getMessagePrefix() << ": " << e.what() << "\n";
+    }
+    return QPDFJob::EXIT_ERROR;
+}
+
+void
+qpdfjob_set_logger(qpdfjob_handle j, qpdflogger_handle logger)
+{
+    j->j.setLogger(logger->l);
+}
+
+qpdflogger_handle
+qpdfjob_get_logger(qpdfjob_handle j)
+{
+    return new _qpdflogger_handle(j->j.getLogger());
+}
+
+int
+qpdfjob_initialize_from_argv(qpdfjob_handle j, char const* const argv)
+{
+    return wrap_qpdfjob(j, argv(qpdfjob_handle jh) {
+        jh->j.initializeFromArgv(argv);
+        return 0;
+    });
+}
+
+#ifndef QPDF_NO_WCHAR_T
+int
+qpdfjob_initialize_from_wide_argv(qpdfjob_handle j, wchar_t const* const argv)
+{
+    int argc = 0;
+    for (auto k = argv; *k; ++k) {
+        ++argc;
+    }
+    return QUtil::call_main_from_wmain(
+        argc, argv, j(int, char const* const new_argv) {
+            return qpdfjob_initialize_from_argv(j, new_argv);
+        });
+}
+#endif // QPDF_NO_WCHAR_T
+
+int
+qpdfjob_initialize_from_json(qpdfjob_handle j, char const* json)
+{
+    return wrap_qpdfjob(j, json(qpdfjob_handle jh) {
+        jh->j.setMessagePrefix("qpdfjob json");
+        jh->j.initializeFromJson(json);
+        return 0;
+    });
+}
+
+int
+qpdfjob_run(qpdfjob_handle j)
+{
+    QUtil::setLineBuf(stdout);
+    return wrap_qpdfjob(j, (qpdfjob_handle jh) {
+        jh->j.run();
+        return jh->j.getExitCode();
+    });
+}
+
+static int
+run_with_handle(std::function<int(qpdfjob_handle)> fn)
+{
+    auto j = qpdfjob_init();
+    int status = fn(j);
+    if (status == 0) {
+        status = qpdfjob_run(j);
+    }
+    qpdfjob_cleanup(&j);
+    return status;
+}
+
+int
+qpdfjob_run_from_argv(char const* const argv)
+{
+    return run_with_handle(argv(qpdfjob_handle j) {
+        return qpdfjob_initialize_from_argv(j, argv);
+    });
+}
+
+#ifndef QPDF_NO_WCHAR_T
+int
+qpdfjob_run_from_wide_argv(wchar_t const* const argv)
+{
+    return run_with_handle(argv(qpdfjob_handle j) {
+        return qpdfjob_initialize_from_wide_argv(j, argv);
+    });
+}
+#endif /* QPDF_NO_WCHAR_T */
+
+int
+qpdfjob_run_from_json(char const* json)
+{
+    return run_with_handle(json(qpdfjob_handle j) {
+        return qpdfjob_initialize_from_json(j, json);
+    });
+}
+
+void
+qpdfjob_register_progress_reporter(
+    qpdfjob_handle j,
+    void (*report_progress)(int percent, void* data),
+    void* data)
+{
+    j->j.registerProgressReporter(
+        std::bind(report_progress, std::placeholders::_1, data));
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/qpdflogger-c.cc Added

@@ -0,0 +1,133 @@
+#include <qpdf/qpdflogger-c.h>
+
+#include <qpdf/qpdflogger-c_impl.hh>
+
+#include <qpdf/Pipeline.hh>
+#include <qpdf/Pl_Function.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <functional>
+#include <memory>
+
+_qpdflogger_handle::_qpdflogger_handle(std::shared_ptr<QPDFLogger> l) :
+    l(l)
+{
+}
+
+qpdflogger_handle
+qpdflogger_default_logger()
+{
+    return new _qpdflogger_handle(QPDFLogger::defaultLogger());
+}
+
+qpdflogger_handle
+qpdflogger_create()
+{
+    return new _qpdflogger_handle(QPDFLogger::create());
+}
+
+void
+qpdflogger_cleanup(qpdflogger_handle* l)
+{
+    delete *l;
+    *l = nullptr;
+}
+
+static void
+set_log_dest(
+    QPDFLogger* l,
+    std::function<void(std::shared_ptr<Pipeline>)> method,
+    qpdf_log_dest_e dest,
+    char const* identifier,
+    qpdf_log_fn_t fn,
+    void* udata)
+{
+    switch (dest) {
+    case qpdf_log_dest_default:
+        method(nullptr);
+        break;
+    case qpdf_log_dest_stdout:
+        method(l->standardOutput());
+        break;
+    case qpdf_log_dest_stderr:
+        method(l->standardError());
+        break;
+    case qpdf_log_dest_discard:
+        method(l->discard());
+        break;
+    case qpdf_log_dest_custom:
+        method(std::make_shared<Pl_Function>(identifier, nullptr, fn, udata));
+        break;
+    }
+}
+
+static void
+set_log_dest(
+    QPDFLogger* l,
+    void (QPDFLogger::*method)(std::shared_ptr<Pipeline>),
+    qpdf_log_dest_e dest,
+    char const* identifier,
+    qpdf_log_fn_t fn,
+    void* udata)
+{
+    set_log_dest(
+        l,
+        std::bind(std::mem_fn(method), l, std::placeholders::_1),
+        dest,
+        identifier,
+        fn,
+        udata);
+}
+
+void
+qpdflogger_set_info(
+    qpdflogger_handle l, qpdf_log_dest_e dest, qpdf_log_fn_t fn, void* udata)
+{
+    set_log_dest(
+        l->l.get(), &QPDFLogger::setInfo, dest, "info logger", fn, udata);
+}
+
+void
+qpdflogger_set_warn(
+    qpdflogger_handle l, qpdf_log_dest_e dest, qpdf_log_fn_t fn, void* udata)
+{
+    set_log_dest(
+        l->l.get(), &QPDFLogger::setWarn, dest, "warn logger", fn, udata);
+}
+
+void
+qpdflogger_set_error(
+    qpdflogger_handle l, qpdf_log_dest_e dest, qpdf_log_fn_t fn, void* udata)
+{
+    set_log_dest(
+        l->l.get(), &QPDFLogger::setError, dest, "error logger", fn, udata);
+}
+
+void
+qpdflogger_set_save(
+    qpdflogger_handle l,
+    qpdf_log_dest_e dest,
+    qpdf_log_fn_t fn,
+    void* udata,
+    int only_if_not_set)
+{
+    auto method = std::bind(
+        std::mem_fn(&QPDFLogger::setSave),
+        l->l.get(),
+        std::placeholders::_1,
+        only_if_not_set);
+    set_log_dest(l->l.get(), method, dest, "save logger", fn, udata);
+}
+
+void
+qpdflogger_save_to_standard_output(qpdflogger_handle l, int only_if_not_set)
+{
+    qpdflogger_set_save(
+        l, qpdf_log_dest_stdout, nullptr, nullptr, only_if_not_set);
+}
+
+int
+qpdflogger_equal(qpdflogger_handle l1, qpdflogger_handle l2)
+{
+    return l1->l.get() == l2->l.get();
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/rijndael.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/rijndael.cc Changed

@@ -1,3 +1,4 @@
+/* clang-format off */
 #define FULL_UNROLL
 
 #include "qpdf/rijndael.h"
@@ -710,7 +711,7 @@
  *
  * @return the number of rounds for the given cipher key size.
  */
-int rijndaelSetupEncrypt(u32 *rk, const u8 *key, int keybits)
+unsigned int rijndaelSetupEncrypt(u32 *rk, const u8 *key, size_t keybits)
 {
   int i = 0;
   u32 temp;
@@ -799,9 +800,9 @@
  *
  * @return the number of rounds for the given cipher key size.
  */
-int rijndaelSetupDecrypt(u32 *rk, const u8 *key, int keybits)
+unsigned int rijndaelSetupDecrypt(u32 *rk, const u8 *key, size_t keybits)
 {
-  int nrounds, i, j;
+  unsigned int nrounds, i, j;
   u32 temp;
 
   /* expand the cipher key: */
@@ -842,7 +843,8 @@
   return nrounds;
 }
 
-void rijndaelEncrypt(const u32 *rk, int nrounds, const u8 plaintext16,
+void rijndaelEncrypt(const u32 *rk, unsigned int nrounds,
+                     const u8 plaintext16,
   u8 ciphertext16)
 {
   u32 s0, s1, s2, s3, t0, t1, t2, t3;
@@ -1024,7 +1026,8 @@
   PUTU32(ciphertext + 12, s3);
 }
 
-void rijndaelDecrypt(const u32 *rk, int nrounds, const u8 ciphertext16,
+void rijndaelDecrypt(const u32 *rk, unsigned int nrounds,
+                     const u8 ciphertext16,
   u8 plaintext16)
 {
   u32 s0, s1, s2, s3, t0, t1, t2, t3;

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/sha2.c -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/sha2.c Changed

@@ -1,3 +1,4 @@
+/* clang-format off */
 /* $Id: sha2.c 227 2010-06-16 17:28:38Z tp $ */
 /*
  * SHA-224 / SHA-256 implementation.
@@ -50,15 +51,15 @@
 #define SSG2_1(x)      (ROTR(x, 17) ^ ROTR(x, 19) ^ SPH_T32((x) >> 10))
 
 static const sph_u32 H2248 = {
-	SPH_C32(0xC1059ED8), SPH_C32(0x367CD507), SPH_C32(0x3070DD17),
-	SPH_C32(0xF70E5939), SPH_C32(0xFFC00B31), SPH_C32(0x68581511),
-	SPH_C32(0x64F98FA7), SPH_C32(0xBEFA4FA4)
+        SPH_C32(0xC1059ED8), SPH_C32(0x367CD507), SPH_C32(0x3070DD17),
+        SPH_C32(0xF70E5939), SPH_C32(0xFFC00B31), SPH_C32(0x68581511),
+        SPH_C32(0x64F98FA7), SPH_C32(0xBEFA4FA4)
 };
 
 static const sph_u32 H2568 = {
-	SPH_C32(0x6A09E667), SPH_C32(0xBB67AE85), SPH_C32(0x3C6EF372),
-	SPH_C32(0xA54FF53A), SPH_C32(0x510E527F), SPH_C32(0x9B05688C),
-	SPH_C32(0x1F83D9AB), SPH_C32(0x5BE0CD19)
+        SPH_C32(0x6A09E667), SPH_C32(0xBB67AE85), SPH_C32(0x3C6EF372),
+        SPH_C32(0xA54FF53A), SPH_C32(0x510E527F), SPH_C32(0x9B05688C),
+        SPH_C32(0x1F83D9AB), SPH_C32(0x5BE0CD19)
 };
 
 /*
@@ -74,531 +75,531 @@
 #if SPH_SMALL_FOOTPRINT_SHA2
 
 static const sph_u32 K64 = {
-	SPH_C32(0x428A2F98), SPH_C32(0x71374491),
-	SPH_C32(0xB5C0FBCF), SPH_C32(0xE9B5DBA5),
-	SPH_C32(0x3956C25B), SPH_C32(0x59F111F1),
-	SPH_C32(0x923F82A4), SPH_C32(0xAB1C5ED5),
-	SPH_C32(0xD807AA98), SPH_C32(0x12835B01),
-	SPH_C32(0x243185BE), SPH_C32(0x550C7DC3),
-	SPH_C32(0x72BE5D74), SPH_C32(0x80DEB1FE),
-	SPH_C32(0x9BDC06A7), SPH_C32(0xC19BF174),
-	SPH_C32(0xE49B69C1), SPH_C32(0xEFBE4786),
-	SPH_C32(0x0FC19DC6), SPH_C32(0x240CA1CC),
-	SPH_C32(0x2DE92C6F), SPH_C32(0x4A7484AA),
-	SPH_C32(0x5CB0A9DC), SPH_C32(0x76F988DA),
-	SPH_C32(0x983E5152), SPH_C32(0xA831C66D),
-	SPH_C32(0xB00327C8), SPH_C32(0xBF597FC7),
-	SPH_C32(0xC6E00BF3), SPH_C32(0xD5A79147),
-	SPH_C32(0x06CA6351), SPH_C32(0x14292967),
-	SPH_C32(0x27B70A85), SPH_C32(0x2E1B2138),
-	SPH_C32(0x4D2C6DFC), SPH_C32(0x53380D13),
-	SPH_C32(0x650A7354), SPH_C32(0x766A0ABB),
-	SPH_C32(0x81C2C92E), SPH_C32(0x92722C85),
-	SPH_C32(0xA2BFE8A1), SPH_C32(0xA81A664B),
-	SPH_C32(0xC24B8B70), SPH_C32(0xC76C51A3),
-	SPH_C32(0xD192E819), SPH_C32(0xD6990624),
-	SPH_C32(0xF40E3585), SPH_C32(0x106AA070),
-	SPH_C32(0x19A4C116), SPH_C32(0x1E376C08),
-	SPH_C32(0x2748774C), SPH_C32(0x34B0BCB5),
-	SPH_C32(0x391C0CB3), SPH_C32(0x4ED8AA4A),
-	SPH_C32(0x5B9CCA4F), SPH_C32(0x682E6FF3),
-	SPH_C32(0x748F82EE), SPH_C32(0x78A5636F),
-	SPH_C32(0x84C87814), SPH_C32(0x8CC70208),
-	SPH_C32(0x90BEFFFA), SPH_C32(0xA4506CEB),
-	SPH_C32(0xBEF9A3F7), SPH_C32(0xC67178F2)
+        SPH_C32(0x428A2F98), SPH_C32(0x71374491),
+        SPH_C32(0xB5C0FBCF), SPH_C32(0xE9B5DBA5),
+        SPH_C32(0x3956C25B), SPH_C32(0x59F111F1),
+        SPH_C32(0x923F82A4), SPH_C32(0xAB1C5ED5),
+        SPH_C32(0xD807AA98), SPH_C32(0x12835B01),
+        SPH_C32(0x243185BE), SPH_C32(0x550C7DC3),
+        SPH_C32(0x72BE5D74), SPH_C32(0x80DEB1FE),
+        SPH_C32(0x9BDC06A7), SPH_C32(0xC19BF174),
+        SPH_C32(0xE49B69C1), SPH_C32(0xEFBE4786),
+        SPH_C32(0x0FC19DC6), SPH_C32(0x240CA1CC),
+        SPH_C32(0x2DE92C6F), SPH_C32(0x4A7484AA),
+        SPH_C32(0x5CB0A9DC), SPH_C32(0x76F988DA),
+        SPH_C32(0x983E5152), SPH_C32(0xA831C66D),
+        SPH_C32(0xB00327C8), SPH_C32(0xBF597FC7),
+        SPH_C32(0xC6E00BF3), SPH_C32(0xD5A79147),
+        SPH_C32(0x06CA6351), SPH_C32(0x14292967),
+        SPH_C32(0x27B70A85), SPH_C32(0x2E1B2138),
+        SPH_C32(0x4D2C6DFC), SPH_C32(0x53380D13),
+        SPH_C32(0x650A7354), SPH_C32(0x766A0ABB),
+        SPH_C32(0x81C2C92E), SPH_C32(0x92722C85),
+        SPH_C32(0xA2BFE8A1), SPH_C32(0xA81A664B),
+        SPH_C32(0xC24B8B70), SPH_C32(0xC76C51A3),
+        SPH_C32(0xD192E819), SPH_C32(0xD6990624),
+        SPH_C32(0xF40E3585), SPH_C32(0x106AA070),
+        SPH_C32(0x19A4C116), SPH_C32(0x1E376C08),
+        SPH_C32(0x2748774C), SPH_C32(0x34B0BCB5),
+        SPH_C32(0x391C0CB3), SPH_C32(0x4ED8AA4A),
+        SPH_C32(0x5B9CCA4F), SPH_C32(0x682E6FF3),
+        SPH_C32(0x748F82EE), SPH_C32(0x78A5636F),
+        SPH_C32(0x84C87814), SPH_C32(0x8CC70208),
+        SPH_C32(0x90BEFFFA), SPH_C32(0xA4506CEB),
+        SPH_C32(0xBEF9A3F7), SPH_C32(0xC67178F2)
 };
 
 #define SHA2_MEXP1(in, pc)   do { \
-		Wpc = in(pc); \
-	} while (0)
+                Wpc = in(pc); \
+        } while (0)
 
 #define SHA2_MEXP2(in, pc)   do { \
-		W(pc) & 0x0F = SPH_T32(SSG2_1(W((pc) - 2) & 0x0F) \
-			+ W((pc) - 7) & 0x0F \
-			+ SSG2_0(W((pc) - 15) & 0x0F) + W(pc) & 0x0F); \
-	} while (0)
+                W(pc) & 0x0F = SPH_T32(SSG2_1(W((pc) - 2) & 0x0F) \
+                        + W((pc) - 7) & 0x0F \
+                        + SSG2_0(W((pc) - 15) & 0x0F) + W(pc) & 0x0F); \
+        } while (0)
 
 #define SHA2_STEPn(n, a, b, c, d, e, f, g, h, in, pc)   do { \
-		sph_u32 t1, t2; \
-		SHA2_MEXP ## n(in, pc); \
-		t1 = SPH_T32(h + BSG2_1(e) + CH(e, f, g) \
-			+ Kpcount + (pc) + W(pc) & 0x0F); \
-		t2 = SPH_T32(BSG2_0(a) + MAJ(a, b, c)); \
-		d = SPH_T32(d + t1); \
-		h = SPH_T32(t1 + t2); \
-	} while (0)
+                sph_u32 t1, t2; \
+                SHA2_MEXP ## n(in, pc); \
+                t1 = SPH_T32(h + BSG2_1(e) + CH(e, f, g) \
+                        + Kpcount + (pc) + W(pc) & 0x0F); \
+                t2 = SPH_T32(BSG2_0(a) + MAJ(a, b, c)); \
+                d = SPH_T32(d + t1); \
+                h = SPH_T32(t1 + t2); \
+        } while (0)
 
 #define SHA2_STEP1(a, b, c, d, e, f, g, h, in, pc) \
-	SHA2_STEPn(1, a, b, c, d, e, f, g, h, in, pc)
+        SHA2_STEPn(1, a, b, c, d, e, f, g, h, in, pc)
 #define SHA2_STEP2(a, b, c, d, e, f, g, h, in, pc) \
-	SHA2_STEPn(2, a, b, c, d, e, f, g, h, in, pc)
+        SHA2_STEPn(2, a, b, c, d, e, f, g, h, in, pc)
 
 #define SHA2_ROUND_BODY(in, r)   do { \
-		sph_u32 A, B, C, D, E, F, G, H; \
-		sph_u32 W16; \
-		unsigned pcount; \
+                sph_u32 A, B, C, D, E, F, G, H; \
+                sph_u32 W16; \
+                unsigned pcount; \
  \
-		A = (r)0; \
-		B = (r)1; \
-		C = (r)2; \
-		D = (r)3; \
-		E = (r)4; \
-		F = (r)5; \
-		G = (r)6; \
-		H = (r)7; \
-		pcount = 0; \
-		SHA2_STEP1(A, B, C, D, E, F, G, H, in,  0); \
-		SHA2_STEP1(H, A, B, C, D, E, F, G, in,  1); \
-		SHA2_STEP1(G, H, A, B, C, D, E, F, in,  2); \
-		SHA2_STEP1(F, G, H, A, B, C, D, E, in,  3); \
-		SHA2_STEP1(E, F, G, H, A, B, C, D, in,  4); \
-		SHA2_STEP1(D, E, F, G, H, A, B, C, in,  5); \
-		SHA2_STEP1(C, D, E, F, G, H, A, B, in,  6); \
-		SHA2_STEP1(B, C, D, E, F, G, H, A, in,  7); \
-		SHA2_STEP1(A, B, C, D, E, F, G, H, in,  8); \
-		SHA2_STEP1(H, A, B, C, D, E, F, G, in,  9); \
-		SHA2_STEP1(G, H, A, B, C, D, E, F, in, 10); \
-		SHA2_STEP1(F, G, H, A, B, C, D, E, in, 11); \
-		SHA2_STEP1(E, F, G, H, A, B, C, D, in, 12); \
-		SHA2_STEP1(D, E, F, G, H, A, B, C, in, 13); \
-		SHA2_STEP1(C, D, E, F, G, H, A, B, in, 14); \
-		SHA2_STEP1(B, C, D, E, F, G, H, A, in, 15); \
-		for (pcount = 16; pcount < 64; pcount += 16) { \
-			SHA2_STEP2(A, B, C, D, E, F, G, H, in,  0); \
-			SHA2_STEP2(H, A, B, C, D, E, F, G, in,  1); \
-			SHA2_STEP2(G, H, A, B, C, D, E, F, in,  2); \
-			SHA2_STEP2(F, G, H, A, B, C, D, E, in,  3); \
-			SHA2_STEP2(E, F, G, H, A, B, C, D, in,  4); \
-			SHA2_STEP2(D, E, F, G, H, A, B, C, in,  5); \
-			SHA2_STEP2(C, D, E, F, G, H, A, B, in,  6); \
-			SHA2_STEP2(B, C, D, E, F, G, H, A, in,  7); \
-			SHA2_STEP2(A, B, C, D, E, F, G, H, in,  8); \
-			SHA2_STEP2(H, A, B, C, D, E, F, G, in,  9); \
-			SHA2_STEP2(G, H, A, B, C, D, E, F, in, 10); \
-			SHA2_STEP2(F, G, H, A, B, C, D, E, in, 11); \
-			SHA2_STEP2(E, F, G, H, A, B, C, D, in, 12); \
-			SHA2_STEP2(D, E, F, G, H, A, B, C, in, 13); \
-			SHA2_STEP2(C, D, E, F, G, H, A, B, in, 14); \
-			SHA2_STEP2(B, C, D, E, F, G, H, A, in, 15); \
-		} \
-		(r)0 = SPH_T32((r)0 + A); \
-		(r)1 = SPH_T32((r)1 + B); \
-		(r)2 = SPH_T32((r)2 + C); \
-		(r)3 = SPH_T32((r)3 + D); \
-		(r)4 = SPH_T32((r)4 + E); \
-		(r)5 = SPH_T32((r)5 + F); \
-		(r)6 = SPH_T32((r)6 + G); \
-		(r)7 = SPH_T32((r)7 + H); \
-	} while (0)
+                A = (r)0; \
+                B = (r)1; \
+                C = (r)2; \
+                D = (r)3; \
+                E = (r)4; \
+                F = (r)5; \
+                G = (r)6; \
+                H = (r)7; \
+                pcount = 0; \
+                SHA2_STEP1(A, B, C, D, E, F, G, H, in,  0); \
+                SHA2_STEP1(H, A, B, C, D, E, F, G, in,  1); \
+                SHA2_STEP1(G, H, A, B, C, D, E, F, in,  2); \
+                SHA2_STEP1(F, G, H, A, B, C, D, E, in,  3); \
+                SHA2_STEP1(E, F, G, H, A, B, C, D, in,  4); \
+                SHA2_STEP1(D, E, F, G, H, A, B, C, in,  5); \
+                SHA2_STEP1(C, D, E, F, G, H, A, B, in,  6); \
+                SHA2_STEP1(B, C, D, E, F, G, H, A, in,  7); \
+                SHA2_STEP1(A, B, C, D, E, F, G, H, in,  8); \
+                SHA2_STEP1(H, A, B, C, D, E, F, G, in,  9); \
+                SHA2_STEP1(G, H, A, B, C, D, E, F, in, 10); \
+                SHA2_STEP1(F, G, H, A, B, C, D, E, in, 11); \
+                SHA2_STEP1(E, F, G, H, A, B, C, D, in, 12); \
+                SHA2_STEP1(D, E, F, G, H, A, B, C, in, 13); \
+                SHA2_STEP1(C, D, E, F, G, H, A, B, in, 14); \
+                SHA2_STEP1(B, C, D, E, F, G, H, A, in, 15); \
+                for (pcount = 16; pcount < 64; pcount += 16) { \
+                        SHA2_STEP2(A, B, C, D, E, F, G, H, in,  0); \
+                        SHA2_STEP2(H, A, B, C, D, E, F, G, in,  1); \
+                        SHA2_STEP2(G, H, A, B, C, D, E, F, in,  2); \
+                        SHA2_STEP2(F, G, H, A, B, C, D, E, in,  3); \
+                        SHA2_STEP2(E, F, G, H, A, B, C, D, in,  4); \
+                        SHA2_STEP2(D, E, F, G, H, A, B, C, in,  5); \
+                        SHA2_STEP2(C, D, E, F, G, H, A, B, in,  6); \
+                        SHA2_STEP2(B, C, D, E, F, G, H, A, in,  7); \
+                        SHA2_STEP2(A, B, C, D, E, F, G, H, in,  8); \
+                        SHA2_STEP2(H, A, B, C, D, E, F, G, in,  9); \
+                        SHA2_STEP2(G, H, A, B, C, D, E, F, in, 10); \
+                        SHA2_STEP2(F, G, H, A, B, C, D, E, in, 11); \
+                        SHA2_STEP2(E, F, G, H, A, B, C, D, in, 12); \
+                        SHA2_STEP2(D, E, F, G, H, A, B, C, in, 13); \
+                        SHA2_STEP2(C, D, E, F, G, H, A, B, in, 14); \
+                        SHA2_STEP2(B, C, D, E, F, G, H, A, in, 15); \
+                } \
+                (r)0 = SPH_T32((r)0 + A); \
+                (r)1 = SPH_T32((r)1 + B); \
+                (r)2 = SPH_T32((r)2 + C); \
+                (r)3 = SPH_T32((r)3 + D); \
+                (r)4 = SPH_T32((r)4 + E); \
+                (r)5 = SPH_T32((r)5 + F); \
+                (r)6 = SPH_T32((r)6 + G); \
+                (r)7 = SPH_T32((r)7 + H); \
+        } while (0)
 
 #else
 
 #define SHA2_ROUND_BODY(in, r)   do { \
-		sph_u32 A, B, C, D, E, F, G, H, T1, T2; \
-		sph_u32 W00, W01, W02, W03, W04, W05, W06, W07; \
-		sph_u32 W08, W09, W10, W11, W12, W13, W14, W15; \
+                sph_u32 A, B, C, D, E, F, G, H, T1, T2; \
+                sph_u32 W00, W01, W02, W03, W04, W05, W06, W07; \
+                sph_u32 W08, W09, W10, W11, W12, W13, W14, W15; \
  \
-		A = (r)0; \
-		B = (r)1; \
-		C = (r)2; \
-		D = (r)3; \
-		E = (r)4; \
-		F = (r)5; \
-		G = (r)6; \
-		H = (r)7; \
-		W00 = in(0); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0x428A2F98) + W00); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W01 = in(1); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0x71374491) + W01); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W02 = in(2); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0xB5C0FBCF) + W02); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W03 = in(3); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0xE9B5DBA5) + W03); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W04 = in(4); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0x3956C25B) + W04); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W05 = in(5); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0x59F111F1) + W05); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W06 = in(6); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0x923F82A4) + W06); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W07 = in(7); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0xAB1C5ED5) + W07); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		W08 = in(8); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0xD807AA98) + W08); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W09 = in(9); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0x12835B01) + W09); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W10 = in(10); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0x243185BE) + W10); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W11 = in(11); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0x550C7DC3) + W11); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W12 = in(12); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0x72BE5D74) + W12); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W13 = in(13); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0x80DEB1FE) + W13); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W14 = in(14); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0x9BDC06A7) + W14); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W15 = in(15); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0xC19BF174) + W15); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0xE49B69C1) + W00); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0xEFBE4786) + W01); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0x0FC19DC6) + W02); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0x240CA1CC) + W03); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0x2DE92C6F) + W04); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0x4A7484AA) + W05); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0x5CB0A9DC) + W06); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0x76F988DA) + W07); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0x983E5152) + W08); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0xA831C66D) + W09); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0xB00327C8) + W10); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0xBF597FC7) + W11); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0xC6E00BF3) + W12); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0xD5A79147) + W13); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0x06CA6351) + W14); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0x14292967) + W15); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0x27B70A85) + W00); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0x2E1B2138) + W01); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0x4D2C6DFC) + W02); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0x53380D13) + W03); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0x650A7354) + W04); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0x766A0ABB) + W05); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0x81C2C92E) + W06); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0x92722C85) + W07); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0xA2BFE8A1) + W08); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0xA81A664B) + W09); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0xC24B8B70) + W10); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0xC76C51A3) + W11); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0xD192E819) + W12); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0xD6990624) + W13); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0xF40E3585) + W14); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0x106AA070) + W15); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0x19A4C116) + W00); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0x1E376C08) + W01); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0x2748774C) + W02); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0x34B0BCB5) + W03); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0x391C0CB3) + W04); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0x4ED8AA4A) + W05); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0x5B9CCA4F) + W06); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0x682E6FF3) + W07); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
-		T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
-			+ SPH_C32(0x748F82EE) + W08); \
-		T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
-		D = SPH_T32(D + T1); \
-		H = SPH_T32(T1 + T2); \
-		W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
-		T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
-			+ SPH_C32(0x78A5636F) + W09); \
-		T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
-		C = SPH_T32(C + T1); \
-		G = SPH_T32(T1 + T2); \
-		W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
-		T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
-			+ SPH_C32(0x84C87814) + W10); \
-		T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
-		B = SPH_T32(B + T1); \
-		F = SPH_T32(T1 + T2); \
-		W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
-		T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
-			+ SPH_C32(0x8CC70208) + W11); \
-		T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
-		A = SPH_T32(A + T1); \
-		E = SPH_T32(T1 + T2); \
-		W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
-		T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
-			+ SPH_C32(0x90BEFFFA) + W12); \
-		T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
-		H = SPH_T32(H + T1); \
-		D = SPH_T32(T1 + T2); \
-		W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
-		T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
-			+ SPH_C32(0xA4506CEB) + W13); \
-		T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
-		G = SPH_T32(G + T1); \
-		C = SPH_T32(T1 + T2); \
-		W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
-		T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
-			+ SPH_C32(0xBEF9A3F7) + W14); \
-		T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
-		F = SPH_T32(F + T1); \
-		B = SPH_T32(T1 + T2); \
-		W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
-		T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
-			+ SPH_C32(0xC67178F2) + W15); \
-		T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
-		E = SPH_T32(E + T1); \
-		A = SPH_T32(T1 + T2); \
-		(r)0 = SPH_T32((r)0 + A); \
-		(r)1 = SPH_T32((r)1 + B); \
-		(r)2 = SPH_T32((r)2 + C); \
-		(r)3 = SPH_T32((r)3 + D); \
-		(r)4 = SPH_T32((r)4 + E); \
-		(r)5 = SPH_T32((r)5 + F); \
-		(r)6 = SPH_T32((r)6 + G); \
-		(r)7 = SPH_T32((r)7 + H); \
-	} while (0)
+                A = (r)0; \
+                B = (r)1; \
+                C = (r)2; \
+                D = (r)3; \
+                E = (r)4; \
+                F = (r)5; \
+                G = (r)6; \
+                H = (r)7; \
+                W00 = in(0); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0x428A2F98) + W00); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W01 = in(1); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0x71374491) + W01); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W02 = in(2); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0xB5C0FBCF) + W02); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W03 = in(3); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0xE9B5DBA5) + W03); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W04 = in(4); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0x3956C25B) + W04); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W05 = in(5); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0x59F111F1) + W05); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W06 = in(6); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0x923F82A4) + W06); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W07 = in(7); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0xAB1C5ED5) + W07); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                W08 = in(8); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0xD807AA98) + W08); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W09 = in(9); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0x12835B01) + W09); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W10 = in(10); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0x243185BE) + W10); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W11 = in(11); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0x550C7DC3) + W11); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W12 = in(12); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0x72BE5D74) + W12); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W13 = in(13); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0x80DEB1FE) + W13); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W14 = in(14); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0x9BDC06A7) + W14); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W15 = in(15); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0xC19BF174) + W15); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0xE49B69C1) + W00); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0xEFBE4786) + W01); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0x0FC19DC6) + W02); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0x240CA1CC) + W03); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0x2DE92C6F) + W04); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0x4A7484AA) + W05); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0x5CB0A9DC) + W06); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0x76F988DA) + W07); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0x983E5152) + W08); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0xA831C66D) + W09); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0xB00327C8) + W10); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0xBF597FC7) + W11); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0xC6E00BF3) + W12); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0xD5A79147) + W13); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0x06CA6351) + W14); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0x14292967) + W15); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0x27B70A85) + W00); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0x2E1B2138) + W01); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0x4D2C6DFC) + W02); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0x53380D13) + W03); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0x650A7354) + W04); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0x766A0ABB) + W05); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0x81C2C92E) + W06); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0x92722C85) + W07); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0xA2BFE8A1) + W08); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0xA81A664B) + W09); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0xC24B8B70) + W10); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0xC76C51A3) + W11); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0xD192E819) + W12); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0xD6990624) + W13); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0xF40E3585) + W14); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0x106AA070) + W15); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0x19A4C116) + W00); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0x1E376C08) + W01); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0x2748774C) + W02); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0x34B0BCB5) + W03); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0x391C0CB3) + W04); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0x4ED8AA4A) + W05); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0x5B9CCA4F) + W06); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0x682E6FF3) + W07); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
+                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+                        + SPH_C32(0x748F82EE) + W08); \
+                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
+                D = SPH_T32(D + T1); \
+                H = SPH_T32(T1 + T2); \
+                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
+                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+                        + SPH_C32(0x78A5636F) + W09); \
+                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
+                C = SPH_T32(C + T1); \
+                G = SPH_T32(T1 + T2); \
+                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
+                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+                        + SPH_C32(0x84C87814) + W10); \
+                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
+                B = SPH_T32(B + T1); \
+                F = SPH_T32(T1 + T2); \
+                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
+                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+                        + SPH_C32(0x8CC70208) + W11); \
+                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
+                A = SPH_T32(A + T1); \
+                E = SPH_T32(T1 + T2); \
+                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
+                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+                        + SPH_C32(0x90BEFFFA) + W12); \
+                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
+                H = SPH_T32(H + T1); \
+                D = SPH_T32(T1 + T2); \
+                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
+                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+                        + SPH_C32(0xA4506CEB) + W13); \
+                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
+                G = SPH_T32(G + T1); \
+                C = SPH_T32(T1 + T2); \
+                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
+                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+                        + SPH_C32(0xBEF9A3F7) + W14); \
+                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
+                F = SPH_T32(F + T1); \
+                B = SPH_T32(T1 + T2); \
+                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
+                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+                        + SPH_C32(0xC67178F2) + W15); \
+                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
+                E = SPH_T32(E + T1); \
+                A = SPH_T32(T1 + T2); \
+                (r)0 = SPH_T32((r)0 + A); \
+                (r)1 = SPH_T32((r)1 + B); \
+                (r)2 = SPH_T32((r)2 + C); \
+                (r)3 = SPH_T32((r)3 + D); \
+                (r)4 = SPH_T32((r)4 + E); \
+                (r)5 = SPH_T32((r)5 + F); \
+                (r)6 = SPH_T32((r)6 + G); \
+                (r)7 = SPH_T32((r)7 + H); \
+        } while (0)
 
 #endif
 
@@ -609,7 +610,7 @@
 sha2_round(const unsigned char *data, sph_u32 r8)
 {
 #define SHA2_IN(x)   sph_dec32be_aligned(data + (4 * (x)))
-	SHA2_ROUND_BODY(SHA2_IN, r);
+        SHA2_ROUND_BODY(SHA2_IN, r);
 #undef SHA2_IN
 }
 
@@ -617,14 +618,14 @@
 void
 sph_sha224_init(void *cc)
 {
-	sph_sha224_context *sc;
+        sph_sha224_context *sc;
 
-	sc = cc;
-	memcpy(sc->val, H224, sizeof H224);
+        sc = cc;
+        memcpy(sc->val, H224, sizeof H224);
 #if SPH_64
-	sc->count = 0;
+        sc->count = 0;
 #else
-	sc->count_high = sc->count_low = 0;
+        sc->count_high = sc->count_low = 0;
 #endif
 }
 
@@ -632,14 +633,14 @@
 void
 sph_sha256_init(void *cc)
 {
-	sph_sha256_context *sc;
+        sph_sha256_context *sc;
 
-	sc = cc;
-	memcpy(sc->val, H256, sizeof H256);
+        sc = cc;
+        memcpy(sc->val, H256, sizeof H256);
 #if SPH_64
-	sc->count = 0;
+        sc->count = 0;
 #else
-	sc->count_high = sc->count_low = 0;
+        sc->count_high = sc->count_low = 0;
 #endif
 }
 
@@ -652,32 +653,32 @@
 void
 sph_sha224_close(void *cc, void *dst)
 {
-	sha224_close(cc, dst, 7);
-	sph_sha224_init(cc);
+        sha224_close(cc, dst, 7);
+        sph_sha224_init(cc);
 }
 
 /* see sph_sha2.h */
 void
 sph_sha224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
 {
-	sha224_addbits_and_close(cc, ub, n, dst, 7);
-	sph_sha224_init(cc);
+        sha224_addbits_and_close(cc, ub, n, dst, 7);
+        sph_sha224_init(cc);
 }
 
 /* see sph_sha2.h */
 void
 sph_sha256_close(void *cc, void *dst)
 {
-	sha224_close(cc, dst, 8);
-	sph_sha256_init(cc);
+        sha224_close(cc, dst, 8);
+        sph_sha256_init(cc);
 }
 
 /* see sph_sha2.h */
 void
 sph_sha256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
 {
-	sha224_addbits_and_close(cc, ub, n, dst, 8);
-	sph_sha256_init(cc);
+        sha224_addbits_and_close(cc, ub, n, dst, 8);
+        sph_sha256_init(cc);
 }
 
 /* see sph_sha2.h */
@@ -685,6 +686,6 @@
 sph_sha224_comp(const sph_u32 msg16, sph_u32 val8)
 {
 #define SHA2_IN(x)   msgx
-	SHA2_ROUND_BODY(SHA2_IN, val);
+        SHA2_ROUND_BODY(SHA2_IN, val);
 #undef SHA2_IN
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/sha2big.c -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/sha2big.c Changed

@@ -1,3 +1,4 @@
+/* clang-format off */
 /* $Id: sha2big.c 216 2010-06-08 09:46:57Z tp $ */
 /*
  * SHA-384 / SHA-512 implementation.
@@ -48,60 +49,60 @@
 #define SSG5_1(x)      (ROTR64(x, 19) ^ ROTR64(x, 61) ^ SPH_T64((x) >> 6))
 
 static const sph_u64 K51280 = {
-	SPH_C64(0x428A2F98D728AE22), SPH_C64(0x7137449123EF65CD),
-	SPH_C64(0xB5C0FBCFEC4D3B2F), SPH_C64(0xE9B5DBA58189DBBC),
-	SPH_C64(0x3956C25BF348B538), SPH_C64(0x59F111F1B605D019),
-	SPH_C64(0x923F82A4AF194F9B), SPH_C64(0xAB1C5ED5DA6D8118),
-	SPH_C64(0xD807AA98A3030242), SPH_C64(0x12835B0145706FBE),
-	SPH_C64(0x243185BE4EE4B28C), SPH_C64(0x550C7DC3D5FFB4E2),
-	SPH_C64(0x72BE5D74F27B896F), SPH_C64(0x80DEB1FE3B1696B1),
-	SPH_C64(0x9BDC06A725C71235), SPH_C64(0xC19BF174CF692694),
-	SPH_C64(0xE49B69C19EF14AD2), SPH_C64(0xEFBE4786384F25E3),
-	SPH_C64(0x0FC19DC68B8CD5B5), SPH_C64(0x240CA1CC77AC9C65),
-	SPH_C64(0x2DE92C6F592B0275), SPH_C64(0x4A7484AA6EA6E483),
-	SPH_C64(0x5CB0A9DCBD41FBD4), SPH_C64(0x76F988DA831153B5),
-	SPH_C64(0x983E5152EE66DFAB), SPH_C64(0xA831C66D2DB43210),
-	SPH_C64(0xB00327C898FB213F), SPH_C64(0xBF597FC7BEEF0EE4),
-	SPH_C64(0xC6E00BF33DA88FC2), SPH_C64(0xD5A79147930AA725),
-	SPH_C64(0x06CA6351E003826F), SPH_C64(0x142929670A0E6E70),
-	SPH_C64(0x27B70A8546D22FFC), SPH_C64(0x2E1B21385C26C926),
-	SPH_C64(0x4D2C6DFC5AC42AED), SPH_C64(0x53380D139D95B3DF),
-	SPH_C64(0x650A73548BAF63DE), SPH_C64(0x766A0ABB3C77B2A8),
-	SPH_C64(0x81C2C92E47EDAEE6), SPH_C64(0x92722C851482353B),
-	SPH_C64(0xA2BFE8A14CF10364), SPH_C64(0xA81A664BBC423001),
-	SPH_C64(0xC24B8B70D0F89791), SPH_C64(0xC76C51A30654BE30),
-	SPH_C64(0xD192E819D6EF5218), SPH_C64(0xD69906245565A910),
-	SPH_C64(0xF40E35855771202A), SPH_C64(0x106AA07032BBD1B8),
-	SPH_C64(0x19A4C116B8D2D0C8), SPH_C64(0x1E376C085141AB53),
-	SPH_C64(0x2748774CDF8EEB99), SPH_C64(0x34B0BCB5E19B48A8),
-	SPH_C64(0x391C0CB3C5C95A63), SPH_C64(0x4ED8AA4AE3418ACB),
-	SPH_C64(0x5B9CCA4F7763E373), SPH_C64(0x682E6FF3D6B2B8A3),
-	SPH_C64(0x748F82EE5DEFB2FC), SPH_C64(0x78A5636F43172F60),
-	SPH_C64(0x84C87814A1F0AB72), SPH_C64(0x8CC702081A6439EC),
-	SPH_C64(0x90BEFFFA23631E28), SPH_C64(0xA4506CEBDE82BDE9),
-	SPH_C64(0xBEF9A3F7B2C67915), SPH_C64(0xC67178F2E372532B),
-	SPH_C64(0xCA273ECEEA26619C), SPH_C64(0xD186B8C721C0C207),
-	SPH_C64(0xEADA7DD6CDE0EB1E), SPH_C64(0xF57D4F7FEE6ED178),
-	SPH_C64(0x06F067AA72176FBA), SPH_C64(0x0A637DC5A2C898A6),
-	SPH_C64(0x113F9804BEF90DAE), SPH_C64(0x1B710B35131C471B),
-	SPH_C64(0x28DB77F523047D84), SPH_C64(0x32CAAB7B40C72493),
-	SPH_C64(0x3C9EBE0A15C9BEBC), SPH_C64(0x431D67C49C100D4C),
-	SPH_C64(0x4CC5D4BECB3E42B6), SPH_C64(0x597F299CFC657E2A),
-	SPH_C64(0x5FCB6FAB3AD6FAEC), SPH_C64(0x6C44198C4A475817)
+        SPH_C64(0x428A2F98D728AE22), SPH_C64(0x7137449123EF65CD),
+        SPH_C64(0xB5C0FBCFEC4D3B2F), SPH_C64(0xE9B5DBA58189DBBC),
+        SPH_C64(0x3956C25BF348B538), SPH_C64(0x59F111F1B605D019),
+        SPH_C64(0x923F82A4AF194F9B), SPH_C64(0xAB1C5ED5DA6D8118),
+        SPH_C64(0xD807AA98A3030242), SPH_C64(0x12835B0145706FBE),
+        SPH_C64(0x243185BE4EE4B28C), SPH_C64(0x550C7DC3D5FFB4E2),
+        SPH_C64(0x72BE5D74F27B896F), SPH_C64(0x80DEB1FE3B1696B1),
+        SPH_C64(0x9BDC06A725C71235), SPH_C64(0xC19BF174CF692694),
+        SPH_C64(0xE49B69C19EF14AD2), SPH_C64(0xEFBE4786384F25E3),
+        SPH_C64(0x0FC19DC68B8CD5B5), SPH_C64(0x240CA1CC77AC9C65),
+        SPH_C64(0x2DE92C6F592B0275), SPH_C64(0x4A7484AA6EA6E483),
+        SPH_C64(0x5CB0A9DCBD41FBD4), SPH_C64(0x76F988DA831153B5),
+        SPH_C64(0x983E5152EE66DFAB), SPH_C64(0xA831C66D2DB43210),
+        SPH_C64(0xB00327C898FB213F), SPH_C64(0xBF597FC7BEEF0EE4),
+        SPH_C64(0xC6E00BF33DA88FC2), SPH_C64(0xD5A79147930AA725),
+        SPH_C64(0x06CA6351E003826F), SPH_C64(0x142929670A0E6E70),
+        SPH_C64(0x27B70A8546D22FFC), SPH_C64(0x2E1B21385C26C926),
+        SPH_C64(0x4D2C6DFC5AC42AED), SPH_C64(0x53380D139D95B3DF),
+        SPH_C64(0x650A73548BAF63DE), SPH_C64(0x766A0ABB3C77B2A8),
+        SPH_C64(0x81C2C92E47EDAEE6), SPH_C64(0x92722C851482353B),
+        SPH_C64(0xA2BFE8A14CF10364), SPH_C64(0xA81A664BBC423001),
+        SPH_C64(0xC24B8B70D0F89791), SPH_C64(0xC76C51A30654BE30),
+        SPH_C64(0xD192E819D6EF5218), SPH_C64(0xD69906245565A910),
+        SPH_C64(0xF40E35855771202A), SPH_C64(0x106AA07032BBD1B8),
+        SPH_C64(0x19A4C116B8D2D0C8), SPH_C64(0x1E376C085141AB53),
+        SPH_C64(0x2748774CDF8EEB99), SPH_C64(0x34B0BCB5E19B48A8),
+        SPH_C64(0x391C0CB3C5C95A63), SPH_C64(0x4ED8AA4AE3418ACB),
+        SPH_C64(0x5B9CCA4F7763E373), SPH_C64(0x682E6FF3D6B2B8A3),
+        SPH_C64(0x748F82EE5DEFB2FC), SPH_C64(0x78A5636F43172F60),
+        SPH_C64(0x84C87814A1F0AB72), SPH_C64(0x8CC702081A6439EC),
+        SPH_C64(0x90BEFFFA23631E28), SPH_C64(0xA4506CEBDE82BDE9),
+        SPH_C64(0xBEF9A3F7B2C67915), SPH_C64(0xC67178F2E372532B),
+        SPH_C64(0xCA273ECEEA26619C), SPH_C64(0xD186B8C721C0C207),
+        SPH_C64(0xEADA7DD6CDE0EB1E), SPH_C64(0xF57D4F7FEE6ED178),
+        SPH_C64(0x06F067AA72176FBA), SPH_C64(0x0A637DC5A2C898A6),
+        SPH_C64(0x113F9804BEF90DAE), SPH_C64(0x1B710B35131C471B),
+        SPH_C64(0x28DB77F523047D84), SPH_C64(0x32CAAB7B40C72493),
+        SPH_C64(0x3C9EBE0A15C9BEBC), SPH_C64(0x431D67C49C100D4C),
+        SPH_C64(0x4CC5D4BECB3E42B6), SPH_C64(0x597F299CFC657E2A),
+        SPH_C64(0x5FCB6FAB3AD6FAEC), SPH_C64(0x6C44198C4A475817)
 };
 
 static const sph_u64 H3848 = {
-	SPH_C64(0xCBBB9D5DC1059ED8), SPH_C64(0x629A292A367CD507),
-	SPH_C64(0x9159015A3070DD17), SPH_C64(0x152FECD8F70E5939),
-	SPH_C64(0x67332667FFC00B31), SPH_C64(0x8EB44A8768581511),
-	SPH_C64(0xDB0C2E0D64F98FA7), SPH_C64(0x47B5481DBEFA4FA4)
+        SPH_C64(0xCBBB9D5DC1059ED8), SPH_C64(0x629A292A367CD507),
+        SPH_C64(0x9159015A3070DD17), SPH_C64(0x152FECD8F70E5939),
+        SPH_C64(0x67332667FFC00B31), SPH_C64(0x8EB44A8768581511),
+        SPH_C64(0xDB0C2E0D64F98FA7), SPH_C64(0x47B5481DBEFA4FA4)
 };
 
 static const sph_u64 H5128 = {
-	SPH_C64(0x6A09E667F3BCC908), SPH_C64(0xBB67AE8584CAA73B),
-	SPH_C64(0x3C6EF372FE94F82B), SPH_C64(0xA54FF53A5F1D36F1),
-	SPH_C64(0x510E527FADE682D1), SPH_C64(0x9B05688C2B3E6C1F),
-	SPH_C64(0x1F83D9ABFB41BD6B), SPH_C64(0x5BE0CD19137E2179)
+        SPH_C64(0x6A09E667F3BCC908), SPH_C64(0xBB67AE8584CAA73B),
+        SPH_C64(0x3C6EF372FE94F82B), SPH_C64(0xA54FF53A5F1D36F1),
+        SPH_C64(0x510E527FADE682D1), SPH_C64(0x9B05688C2B3E6C1F),
+        SPH_C64(0x1F83D9ABFB41BD6B), SPH_C64(0x5BE0CD19137E2179)
 };
 
 /*
@@ -120,50 +121,50 @@
  */
 
 #define SHA3_STEP(A, B, C, D, E, F, G, H, i)   do { \
-		sph_u64 T1, T2; \
-		T1 = SPH_T64(H + BSG5_1(E) + CH(E, F, G) + K512i + Wi); \
-		T2 = SPH_T64(BSG5_0(A) + MAJ(A, B, C)); \
-		D = SPH_T64(D + T1); \
-		H = SPH_T64(T1 + T2); \
-	} while (0)
+                sph_u64 T1, T2; \
+                T1 = SPH_T64(H + BSG5_1(E) + CH(E, F, G) + K512i + Wi); \
+                T2 = SPH_T64(BSG5_0(A) + MAJ(A, B, C)); \
+                D = SPH_T64(D + T1); \
+                H = SPH_T64(T1 + T2); \
+        } while (0)
 
 #define SHA3_ROUND_BODY(in, r)   do { \
-		int i; \
-		sph_u64 A, B, C, D, E, F, G, H; \
-		sph_u64 W80; \
+                int i; \
+                sph_u64 A, B, C, D, E, F, G, H; \
+                sph_u64 W80; \
  \
- 		for (i = 0; i < 16; i ++) \
-			Wi = in(i); \
-		for (i = 16; i < 80; i ++) \
- 			Wi = SPH_T64(SSG5_1(Wi - 2) + Wi - 7 \
-				+ SSG5_0(Wi - 15) + Wi - 16); \
-		A = (r)0; \
-		B = (r)1; \
-		C = (r)2; \
-		D = (r)3; \
-		E = (r)4; \
-		F = (r)5; \
-		G = (r)6; \
-		H = (r)7; \
-		for (i = 0; i < 80; i += 8) { \
-			SHA3_STEP(A, B, C, D, E, F, G, H, i + 0); \
-			SHA3_STEP(H, A, B, C, D, E, F, G, i + 1); \
-			SHA3_STEP(G, H, A, B, C, D, E, F, i + 2); \
-			SHA3_STEP(F, G, H, A, B, C, D, E, i + 3); \
-			SHA3_STEP(E, F, G, H, A, B, C, D, i + 4); \
-			SHA3_STEP(D, E, F, G, H, A, B, C, i + 5); \
-			SHA3_STEP(C, D, E, F, G, H, A, B, i + 6); \
-			SHA3_STEP(B, C, D, E, F, G, H, A, i + 7); \
-		} \
-		(r)0 = SPH_T64((r)0 + A); \
-		(r)1 = SPH_T64((r)1 + B); \
-		(r)2 = SPH_T64((r)2 + C); \
-		(r)3 = SPH_T64((r)3 + D); \
-		(r)4 = SPH_T64((r)4 + E); \
-		(r)5 = SPH_T64((r)5 + F); \
-		(r)6 = SPH_T64((r)6 + G); \
-		(r)7 = SPH_T64((r)7 + H); \
-	} while (0)
+                for (i = 0; i < 16; i ++) \
+                        Wi = in(i); \
+                for (i = 16; i < 80; i ++) \
+                        Wi = SPH_T64(SSG5_1(Wi - 2) + Wi - 7 \
+                                + SSG5_0(Wi - 15) + Wi - 16); \
+                A = (r)0; \
+                B = (r)1; \
+                C = (r)2; \
+                D = (r)3; \
+                E = (r)4; \
+                F = (r)5; \
+                G = (r)6; \
+                H = (r)7; \
+                for (i = 0; i < 80; i += 8) { \
+                        SHA3_STEP(A, B, C, D, E, F, G, H, i + 0); \
+                        SHA3_STEP(H, A, B, C, D, E, F, G, i + 1); \
+                        SHA3_STEP(G, H, A, B, C, D, E, F, i + 2); \
+                        SHA3_STEP(F, G, H, A, B, C, D, E, i + 3); \
+                        SHA3_STEP(E, F, G, H, A, B, C, D, i + 4); \
+                        SHA3_STEP(D, E, F, G, H, A, B, C, i + 5); \
+                        SHA3_STEP(C, D, E, F, G, H, A, B, i + 6); \
+                        SHA3_STEP(B, C, D, E, F, G, H, A, i + 7); \
+                } \
+                (r)0 = SPH_T64((r)0 + A); \
+                (r)1 = SPH_T64((r)1 + B); \
+                (r)2 = SPH_T64((r)2 + C); \
+                (r)3 = SPH_T64((r)3 + D); \
+                (r)4 = SPH_T64((r)4 + E); \
+                (r)5 = SPH_T64((r)5 + F); \
+                (r)6 = SPH_T64((r)6 + G); \
+                (r)7 = SPH_T64((r)7 + H); \
+        } while (0)
 
 /*
  * One round of SHA-384 / SHA-512. The data must be aligned for 64-bit access.
@@ -172,7 +173,7 @@
 sha3_round(const unsigned char *data, sph_u64 r8)
 {
 #define SHA3_IN(x)   sph_dec64be_aligned(data + (8 * (x)))
-	SHA3_ROUND_BODY(SHA3_IN, r);
+        SHA3_ROUND_BODY(SHA3_IN, r);
 #undef SHA3_IN
 }
 
@@ -180,22 +181,22 @@
 void
 sph_sha384_init(void *cc)
 {
-	sph_sha384_context *sc;
+        sph_sha384_context *sc;
 
-	sc = cc;
-	memcpy(sc->val, H384, sizeof H384);
-	sc->count = 0;
+        sc = cc;
+        memcpy(sc->val, H384, sizeof H384);
+        sc->count = 0;
 }
 
 /* see sph_sha3.h */
 void
 sph_sha512_init(void *cc)
 {
-	sph_sha512_context *sc;
+        sph_sha512_context *sc;
 
-	sc = cc;
-	memcpy(sc->val, H512, sizeof H512);
-	sc->count = 0;
+        sc = cc;
+        memcpy(sc->val, H512, sizeof H512);
+        sc->count = 0;
 }
 
 #define RFUN   sha3_round
@@ -207,32 +208,32 @@
 void
 sph_sha384_close(void *cc, void *dst)
 {
-	sha384_close(cc, dst, 6);
-	sph_sha384_init(cc);
+        sha384_close(cc, dst, 6);
+        sph_sha384_init(cc);
 }
 
 /* see sph_sha3.h */
 void
 sph_sha384_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
 {
-	sha384_addbits_and_close(cc, ub, n, dst, 6);
-	sph_sha384_init(cc);
+        sha384_addbits_and_close(cc, ub, n, dst, 6);
+        sph_sha384_init(cc);
 }
 
 /* see sph_sha3.h */
 void
 sph_sha512_close(void *cc, void *dst)
 {
-	sha384_close(cc, dst, 8);
-	sph_sha512_init(cc);
+        sha384_close(cc, dst, 8);
+        sph_sha512_init(cc);
 }
 
 /* see sph_sha3.h */
 void
 sph_sha512_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
 {
-	sha384_addbits_and_close(cc, ub, n, dst, 8);
-	sph_sha512_init(cc);
+        sha384_addbits_and_close(cc, ub, n, dst, 8);
+        sph_sha512_init(cc);
 }
 
 /* see sph_sha3.h */
@@ -240,7 +241,7 @@
 sph_sha384_comp(const sph_u64 msg16, sph_u64 val8)
 {
 #define SHA3_IN(x)   msgx
-	SHA3_ROUND_BODY(SHA3_IN, val);
+        SHA3_ROUND_BODY(SHA3_IN, val);
 #undef SHA3_IN
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/sph/md_helper.c -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/sph/md_helper.c Changed

@@ -1,3 +1,4 @@
+/* clang-format off */
 /* $Id: md_helper.c 216 2010-06-08 09:46:57Z tp $ */
 /*
  * This file contains some functions which implement the external data
@@ -128,103 +129,103 @@
 SPH_XCAT(sph_, HASH)(void *cc, const void *data, size_t len)
 #endif
 {
-	SPH_XCAT(sph_, SPH_XCAT(HASH, _context)) *sc;
-	unsigned current;
+        SPH_XCAT(sph_, SPH_XCAT(HASH, _context)) *sc;
+        unsigned current;
 
-	sc = cc;
+        sc = cc;
 #if SPH_64
-	current = (unsigned)sc->count & (SPH_BLEN - 1U);
+        current = (unsigned)sc->count & (SPH_BLEN - 1U);
 #else
-	current = (unsigned)sc->count_low & (SPH_BLEN - 1U);
+        current = (unsigned)sc->count_low & (SPH_BLEN - 1U);
 #endif
-	while (len > 0) {
-		unsigned clen;
+        while (len > 0) {
+                unsigned clen;
 #if !SPH_64
-		sph_u32 clow, clow2;
+                sph_u32 clow, clow2;
 #endif
 
-		clen = SPH_BLEN - current;
-		if (clen > len)
-			clen = len;
-		memcpy(sc->buf + current, data, clen);
-		data = (const unsigned char *)data + clen;
-		current += clen;
-		len -= clen;
-		if (current == SPH_BLEN) {
-			RFUN(sc->buf, SPH_VAL);
-			current = 0;
-		}
+                clen = SPH_BLEN - current;
+                if (clen > len)
+                        clen = (unsigned)len;
+                memcpy(sc->buf + current, data, clen);
+                data = (const unsigned char *)data + clen;
+                current += clen;
+                len -= clen;
+                if (current == SPH_BLEN) {
+                        RFUN(sc->buf, SPH_VAL);
+                        current = 0;
+                }
 #if SPH_64
-		sc->count += clen;
+                sc->count += clen;
 #else
-		clow = sc->count_low;
-		clow2 = SPH_T32(clow + clen);
-		sc->count_low = clow2;
-		if (clow2 < clow)
-			sc->count_high ++;
+                clow = sc->count_low;
+                clow2 = SPH_T32(clow + clen);
+                sc->count_low = clow2;
+                if (clow2 < clow)
+                        sc->count_high ++;
 #endif
-	}
+        }
 }
 
 #ifdef SPH_UPTR
 void
 SPH_XCAT(sph_, HASH)(void *cc, const void *data, size_t len)
 {
-	SPH_XCAT(sph_, SPH_XCAT(HASH, _context)) *sc;
-	unsigned current;
-	size_t orig_len;
+        SPH_XCAT(sph_, SPH_XCAT(HASH, _context)) *sc;
+        unsigned current;
+        size_t orig_len;
 #if !SPH_64
-	sph_u32 clow, clow2;
+        sph_u32 clow, clow2;
 #endif
 
-	if (len < (2 * SPH_BLEN)) {
-		SPH_XCAT(HASH, _short)(cc, data, len);
-		return;
-	}
-	sc = cc;
+        if (len < (2 * SPH_BLEN)) {
+                SPH_XCAT(HASH, _short)(cc, data, len);
+                return;
+        }
+        sc = cc;
 #if SPH_64
-	current = (unsigned)sc->count & (SPH_BLEN - 1U);
+        current = (unsigned)sc->count & (SPH_BLEN - 1U);
 #else
-	current = (unsigned)sc->count_low & (SPH_BLEN - 1U);
+        current = (unsigned)sc->count_low & (SPH_BLEN - 1U);
 #endif
-	if (current > 0) {
-		unsigned t;
+        if (current > 0) {
+                unsigned t;
 
-		t = SPH_BLEN - current;
-		SPH_XCAT(HASH, _short)(cc, data, t);
-		data = (const unsigned char *)data + t;
-		len -= t;
-	}
+                t = SPH_BLEN - current;
+                SPH_XCAT(HASH, _short)(cc, data, t);
+                data = (const unsigned char *)data + t;
+                len -= t;
+        }
 #if !SPH_UNALIGNED
-	if (((SPH_UPTR)data & (SPH_WLEN - 1U)) != 0) {
-		SPH_XCAT(HASH, _short)(cc, data, len);
-		return;
-	}
+        if (((SPH_UPTR)data & (SPH_WLEN - 1U)) != 0) {
+                SPH_XCAT(HASH, _short)(cc, data, len);
+                return;
+        }
 #endif
-	orig_len = len;
-	while (len >= SPH_BLEN) {
-		RFUN(data, SPH_VAL);
-		len -= SPH_BLEN;
-		data = (const unsigned char *)data + SPH_BLEN;
-	}
-	if (len > 0)
-		memcpy(sc->buf, data, len);
+        orig_len = len;
+        while (len >= SPH_BLEN) {
+                RFUN(data, SPH_VAL);
+                len -= SPH_BLEN;
+                data = (const unsigned char *)data + SPH_BLEN;
+        }
+        if (len > 0)
+                memcpy(sc->buf, data, len);
 #if SPH_64
-	sc->count += (sph_u64)orig_len;
+        sc->count += (sph_u64)orig_len;
 #else
-	clow = sc->count_low;
-	clow2 = SPH_T32(clow + orig_len);
-	sc->count_low = clow2;
-	if (clow2 < clow)
-		sc->count_high ++;
-	/*
-	 * This code handles the improbable situation where "size_t" is
-	 * greater than 32 bits, and yet we do not have a 64-bit type.
-	 */
-	orig_len >>= 12;
-	orig_len >>= 10;
-	orig_len >>= 10;
-	sc->count_high += orig_len;
+        clow = sc->count_low;
+        clow2 = SPH_T32(clow + orig_len);
+        sc->count_low = clow2;
+        if (clow2 < clow)
+                sc->count_high ++;
+        /*
+         * This code handles the improbable situation where "size_t" is
+         * greater than 32 bits, and yet we do not have a 64-bit type.
+         */
+        orig_len >>= 12;
+        orig_len >>= 10;
+        orig_len >>= 10;
+        sc->count_high += orig_len;
 #endif
 }
 #endif
@@ -237,110 +238,110 @@
  */
 static void
 SPH_XCAT(HASH, _addbits_and_close)(void *cc,
-	unsigned ub, unsigned n, void *dst, unsigned rnum)
+        unsigned ub, unsigned n, void *dst, unsigned rnum)
 {
-	SPH_XCAT(sph_, SPH_XCAT(HASH, _context)) *sc;
-	unsigned current, u;
+        SPH_XCAT(sph_, SPH_XCAT(HASH, _context)) *sc;
+        unsigned current, u;
 #if !SPH_64
-	sph_u32 low, high;
+        sph_u32 low, high;
 #endif
 
-	sc = cc;
+        sc = cc;
 #if SPH_64
-	current = (unsigned)sc->count & (SPH_BLEN - 1U);
+        current = (unsigned)sc->count & (SPH_BLEN - 1U);
 #else
-	current = (unsigned)sc->count_low & (SPH_BLEN - 1U);
+        current = (unsigned)sc->count_low & (SPH_BLEN - 1U);
 #endif
 #ifdef PW01
-	sc->bufcurrent ++ = (0x100 | (ub & 0xFF)) >> (8 - n);
+        sc->bufcurrent ++ = (0x100 | (ub & 0xFF)) >> (8 - n);
 #else
-	{
-		unsigned z;
+        {
+                unsigned z;
 
-		z = 0x80 >> n;
-		sc->bufcurrent ++ = ((ub & -z) | z) & 0xFF;
-	}
+                z = 0x80U >> n;
+                sc->bufcurrent ++ = ((ub & -z) | z) & 0xFF;
+        }
 #endif
-	if (current > SPH_MAXPAD) {
-		memset(sc->buf + current, 0, SPH_BLEN - current);
-		RFUN(sc->buf, SPH_VAL);
-		memset(sc->buf, 0, SPH_MAXPAD);
-	} else {
-		memset(sc->buf + current, 0, SPH_MAXPAD - current);
-	}
+        if (current > SPH_MAXPAD) {
+                memset(sc->buf + current, 0, SPH_BLEN - current);
+                RFUN(sc->buf, SPH_VAL);
+                memset(sc->buf, 0, SPH_MAXPAD);
+        } else {
+                memset(sc->buf + current, 0, SPH_MAXPAD - current);
+        }
 #if defined BE64
 #if defined PLW1
-	sph_enc64be_aligned(sc->buf + SPH_MAXPAD,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
+        sph_enc64be_aligned(sc->buf + SPH_MAXPAD,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
 #elif defined PLW4
-	memset(sc->buf + SPH_MAXPAD, 0, 2 * SPH_WLEN);
-	sph_enc64be_aligned(sc->buf + SPH_MAXPAD + 2 * SPH_WLEN,
-		sc->count >> 61);
-	sph_enc64be_aligned(sc->buf + SPH_MAXPAD + 3 * SPH_WLEN,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
+        memset(sc->buf + SPH_MAXPAD, 0, 2 * SPH_WLEN);
+        sph_enc64be_aligned(sc->buf + SPH_MAXPAD + 2 * SPH_WLEN,
+                sc->count >> 61);
+        sph_enc64be_aligned(sc->buf + SPH_MAXPAD + 3 * SPH_WLEN,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
 #else
-	sph_enc64be_aligned(sc->buf + SPH_MAXPAD, sc->count >> 61);
-	sph_enc64be_aligned(sc->buf + SPH_MAXPAD + SPH_WLEN,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
+        sph_enc64be_aligned(sc->buf + SPH_MAXPAD, sc->count >> 61);
+        sph_enc64be_aligned(sc->buf + SPH_MAXPAD + SPH_WLEN,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
 #endif
 #elif defined LE64
 #if defined PLW1
-	sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
+        sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
 #elif defined PLW1
-	sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
-	sph_enc64le_aligned(sc->buf + SPH_MAXPAD + SPH_WLEN, sc->count >> 61);
-	memset(sc->buf + SPH_MAXPAD + 2 * SPH_WLEN, 0, 2 * SPH_WLEN);
+        sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
+        sph_enc64le_aligned(sc->buf + SPH_MAXPAD + SPH_WLEN, sc->count >> 61);
+        memset(sc->buf + SPH_MAXPAD + 2 * SPH_WLEN, 0, 2 * SPH_WLEN);
 #else
-	sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
-	sph_enc64le_aligned(sc->buf + SPH_MAXPAD + SPH_WLEN, sc->count >> 61);
+        sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
+        sph_enc64le_aligned(sc->buf + SPH_MAXPAD + SPH_WLEN, sc->count >> 61);
 #endif
 #else
 #if SPH_64
 #ifdef BE32
-	sph_enc64be_aligned(sc->buf + SPH_MAXPAD,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
+        sph_enc64be_aligned(sc->buf + SPH_MAXPAD,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
 #else
-	sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
-		SPH_T64(sc->count << 3) + (sph_u64)n);
+        sph_enc64le_aligned(sc->buf + SPH_MAXPAD,
+                SPH_T64(sc->count << 3) + (sph_u64)n);
 #endif
 #else
-	low = sc->count_low;
-	high = SPH_T32((sc->count_high << 3) | (low >> 29));
-	low = SPH_T32(low << 3) + (sph_u32)n;
+        low = sc->count_low;
+        high = SPH_T32((sc->count_high << 3) | (low >> 29));
+        low = SPH_T32(low << 3) + (sph_u32)n;
 #ifdef BE32
-	sph_enc32be(sc->buf + SPH_MAXPAD, high);
-	sph_enc32be(sc->buf + SPH_MAXPAD + SPH_WLEN, low);
+        sph_enc32be(sc->buf + SPH_MAXPAD, high);
+        sph_enc32be(sc->buf + SPH_MAXPAD + SPH_WLEN, low);
 #else
-	sph_enc32le(sc->buf + SPH_MAXPAD, low);
-	sph_enc32le(sc->buf + SPH_MAXPAD + SPH_WLEN, high);
+        sph_enc32le(sc->buf + SPH_MAXPAD, low);
+        sph_enc32le(sc->buf + SPH_MAXPAD + SPH_WLEN, high);
 #endif
 #endif
 #endif
-	RFUN(sc->buf, SPH_VAL);
+        RFUN(sc->buf, SPH_VAL);
 #ifdef SPH_NO_OUTPUT
-	(void)dst;
-	(void)rnum;
-	(void)u;
+        (void)dst;
+        (void)rnum;
+        (void)u;
 #else
-	for (u = 0; u < rnum; u ++) {
+        for (u = 0; u < rnum; u ++) {
 #if defined BE64
-		sph_enc64be((unsigned char *)dst + 8 * u, sc->valu);
+                sph_enc64be((unsigned char *)dst + 8 * u, sc->valu);
 #elif defined LE64
-		sph_enc64le((unsigned char *)dst + 8 * u, sc->valu);
+                sph_enc64le((unsigned char *)dst + 8 * u, sc->valu);
 #elif defined BE32
-		sph_enc32be((unsigned char *)dst + 4 * u, sc->valu);
+                sph_enc32be((unsigned char *)dst + 4 * u, sc->valu);
 #else
-		sph_enc32le((unsigned char *)dst + 4 * u, sc->valu);
+                sph_enc32le((unsigned char *)dst + 4 * u, sc->valu);
 #endif
-	}
+        }
 #endif
 }
 
 static void
 SPH_XCAT(HASH, _close)(void *cc, void *dst, unsigned rnum)
 {
-	SPH_XCAT(HASH, _addbits_and_close)(cc, 0, 0, dst, rnum);
+        SPH_XCAT(HASH, _addbits_and_close)(cc, 0, 0, dst, rnum);
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/sph/sph_sha2.h -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/sph/sph_sha2.h Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/sph/sph_types.h -> _service:tar_scm:qpdf-11.1.0.tar.gz/libqpdf/sph/sph_types.h Changed

@@ -1,3 +1,4 @@
+/* clang-format off */
 /* $Id: sph_types.h 260 2011-07-21 01:02:38Z tp $ */
 /**
  * Basic type definitions.
@@ -1033,7 +1034,7 @@
  * 64-bit Sparc architecture (implies v9).
  */
 #elif ((defined __sparc__ || defined __sparc) && defined __arch64__) \
-	|| defined __sparcv9
+        || defined __sparcv9
 
 #define SPH_DETECT_BIG_ENDIAN        1
 #define SPH_DETECT_UPTR              sph_u64
@@ -1046,7 +1047,7 @@
  * 32-bit Sparc.
  */
 #elif (defined __sparc__ || defined __sparc) \
-	&& !(defined __sparcv9 || defined __arch64__)
+        && !(defined __sparcv9 || defined __arch64__)
 
 #define SPH_DETECT_BIG_ENDIAN        1
 #define SPH_DETECT_UPTR              sph_u32
@@ -1080,7 +1081,7 @@
  * PowerPC.
  */
 #elif defined __powerpc__ || defined __POWERPC__ || defined __ppc__ \
-	|| defined _ARCH_PPC
+        || defined _ARCH_PPC
 
 /*
  * Note: we do not declare cross-endian access to be "fast": even if
@@ -1106,7 +1107,7 @@
  * Itanium, 64-bit.
  */
 #elif defined __ia64 || defined __ia64__ \
-	|| defined __itanium__ || defined _M_IA64
+        || defined __itanium__ || defined _M_IA64
 
 #if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
 #define SPH_DETECT_BIG_ENDIAN        1
@@ -1192,8 +1193,8 @@
 static SPH_INLINE sph_u32
 sph_bswap32(sph_u32 x)
 {
-	__asm__ __volatile__ ("bswapl %0" : "=r" (x) : "0" (x));
-	return x;
+        __asm__ __volatile__ ("bswapl %0" : "=r" (x) : "0" (x));
+        return x;
 }
 
 #if SPH_64
@@ -1201,8 +1202,8 @@
 static SPH_INLINE sph_u64
 sph_bswap64(sph_u64 x)
 {
-	return ((sph_u64)sph_bswap32((sph_u32)x) << 32)
-		| (sph_u64)sph_bswap32((sph_u32)(x >> 32));
+        return ((sph_u64)sph_bswap32((sph_u32)x) << 32)
+                | (sph_u64)sph_bswap32((sph_u32)(x >> 32));
 }
 
 #endif
@@ -1217,8 +1218,8 @@
 static SPH_INLINE sph_u32
 sph_bswap32(sph_u32 x)
 {
-	__asm__ __volatile__ ("bswapl %0" : "=r" (x) : "0" (x));
-	return x;
+        __asm__ __volatile__ ("bswapl %0" : "=r" (x) : "0" (x));
+        return x;
 }
 
 #if SPH_64
@@ -1226,8 +1227,8 @@
 static SPH_INLINE sph_u64
 sph_bswap64(sph_u64 x)
 {
-	__asm__ __volatile__ ("bswapq %0" : "=r" (x) : "0" (x));
-	return x;
+        __asm__ __volatile__ ("bswapq %0" : "=r" (x) : "0" (x));
+        return x;
 }
 
 #endif
@@ -1243,11 +1244,11 @@
 static __inline sph_u32 __declspec(naked) __fastcall
 sph_bswap32(sph_u32 x)
 {
-	__asm {
-		bswap  ecx
-		mov    eax,ecx
-		ret
-	}
+        __asm {
+                bswap  ecx
+                mov    eax,ecx
+                ret
+        }
 }
 
 #if SPH_64
@@ -1255,8 +1256,8 @@
 static SPH_INLINE sph_u64
 sph_bswap64(sph_u64 x)
 {
-	return ((sph_u64)sph_bswap32((sph_u32)x) << 32)
-		| (sph_u64)sph_bswap32((sph_u32)(x >> 32));
+        return ((sph_u64)sph_bswap32((sph_u32)x) << 32)
+                | (sph_u64)sph_bswap32((sph_u32)(x >> 32));
 }
 
 #endif
@@ -1270,10 +1271,10 @@
 static SPH_INLINE sph_u32
 sph_bswap32(sph_u32 x)
 {
-	x = SPH_T32((x << 16) | (x >> 16));
-	x = ((x & SPH_C32(0xFF00FF00)) >> 8)
-		| ((x & SPH_C32(0x00FF00FF)) << 8);
-	return x;
+        x = SPH_T32((x << 16) | (x >> 16));
+        x = ((x & SPH_C32(0xFF00FF00)) >> 8)
+                | ((x & SPH_C32(0x00FF00FF)) << 8);
+        return x;
 }
 
 #if SPH_64
@@ -1287,12 +1288,12 @@
 static SPH_INLINE sph_u64
 sph_bswap64(sph_u64 x)
 {
-	x = SPH_T64((x << 32) | (x >> 32));
-	x = ((x & SPH_C64(0xFFFF0000FFFF0000)) >> 16)
-		| ((x & SPH_C64(0x0000FFFF0000FFFF)) << 16);
-	x = ((x & SPH_C64(0xFF00FF00FF00FF00)) >> 8)
-		| ((x & SPH_C64(0x00FF00FF00FF00FF)) << 8);
-	return x;
+        x = SPH_T64((x << 32) | (x >> 32));
+        x = ((x & SPH_C64(0xFFFF0000FFFF0000)) >> 16)
+                | ((x & SPH_C64(0x0000FFFF0000FFFF)) << 16);
+        x = ((x & SPH_C64(0xFF00FF00FF00FF00)) >> 8)
+                | ((x & SPH_C64(0x00FF00FF00FF00FF)) << 8);
+        return x;
 }
 
 #endif
@@ -1318,48 +1319,48 @@
  */
 
 #define SPH_SPARCV9_SET_ASI   \
-	sph_u32 sph_sparcv9_asi; \
-	__asm__ __volatile__ ( \
-		"rd %%asi,%0\n\twr %%g0,0x88,%%asi" : "=r" (sph_sparcv9_asi));
+        sph_u32 sph_sparcv9_asi; \
+        __asm__ __volatile__ ( \
+                "rd %%asi,%0\n\twr %%g0,0x88,%%asi" : "=r" (sph_sparcv9_asi));
 
 #define SPH_SPARCV9_RESET_ASI  \
-	__asm__ __volatile__ ("wr %%g0,%0,%%asi" : : "r" (sph_sparcv9_asi));
+        __asm__ __volatile__ ("wr %%g0,%0,%%asi" : : "r" (sph_sparcv9_asi));
 
 #define SPH_SPARCV9_DEC32LE(base, idx)   ({ \
-		sph_u32 sph_sparcv9_tmp; \
-		__asm__ __volatile__ ("lda %1+" #idx "*4%%asi,%0" \
-			: "=r" (sph_sparcv9_tmp) : "r" (base)); \
-		sph_sparcv9_tmp; \
-	})
+                sph_u32 sph_sparcv9_tmp; \
+                __asm__ __volatile__ ("lda %1+" #idx "*4%%asi,%0" \
+                        : "=r" (sph_sparcv9_tmp) : "r" (base)); \
+                sph_sparcv9_tmp; \
+        })
 
 #endif
 
 static SPH_INLINE void
 sph_enc16be(void *dst, unsigned val)
 {
-	((unsigned char *)dst)0 = (val >> 8);
-	((unsigned char *)dst)1 = val;
+        ((unsigned char *)dst)0 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)1 = (unsigned char)val;
 }
 
 static SPH_INLINE unsigned
 sph_dec16be(const void *src)
 {
-	return ((unsigned)(((const unsigned char *)src)0) << 8)
-		| (unsigned)(((const unsigned char *)src)1);
+        return ((unsigned)(((const unsigned char *)src)0) << 8)
+                | (unsigned)(((const unsigned char *)src)1);
 }
 
 static SPH_INLINE void
 sph_enc16le(void *dst, unsigned val)
 {
-	((unsigned char *)dst)0 = val;
-	((unsigned char *)dst)1 = val >> 8;
+        ((unsigned char *)dst)0 = (unsigned char)val;
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 8);
 }
 
 static SPH_INLINE unsigned
 sph_dec16le(const void *src)
 {
-	return (unsigned)(((const unsigned char *)src)0)
-		| ((unsigned)(((const unsigned char *)src)1) << 8);
+        return (unsigned)(((const unsigned char *)src)0)
+                | ((unsigned)(((const unsigned char *)src)1) << 8);
 }
 
 /**
@@ -1374,27 +1375,27 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_LITTLE_ENDIAN
-	val = sph_bswap32(val);
+        val = sph_bswap32(val);
 #endif
-	*(sph_u32 *)dst = val;
+        *(sph_u32 *)dst = val;
 #else
-	if (((SPH_UPTR)dst & 3) == 0) {
+        if (((SPH_UPTR)dst & 3) == 0) {
 #if SPH_LITTLE_ENDIAN
-		val = sph_bswap32(val);
+                val = sph_bswap32(val);
 #endif
-		*(sph_u32 *)dst = val;
-	} else {
-		((unsigned char *)dst)0 = (val >> 24);
-		((unsigned char *)dst)1 = (val >> 16);
-		((unsigned char *)dst)2 = (val >> 8);
-		((unsigned char *)dst)3 = val;
-	}
+                *(sph_u32 *)dst = val;
+        } else {
+                ((unsigned char *)dst)0 = (unsigned char)(val >> 24);
+                ((unsigned char *)dst)1 = (unsigned char)(val >> 16);
+                ((unsigned char *)dst)2 = (unsigned char)(val >> 8);
+                ((unsigned char *)dst)3 = (unsigned char)(val);
+        }
 #endif
 #else
-	((unsigned char *)dst)0 = (val >> 24);
-	((unsigned char *)dst)1 = (val >> 16);
-	((unsigned char *)dst)2 = (val >> 8);
-	((unsigned char *)dst)3 = val;
+        ((unsigned char *)dst)0 = (unsigned char)(val >> 24);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)3 = (unsigned char)(val);
 #endif
 }
 
@@ -1409,14 +1410,14 @@
 sph_enc32be_aligned(void *dst, sph_u32 val)
 {
 #if SPH_LITTLE_ENDIAN
-	*(sph_u32 *)dst = sph_bswap32(val);
+        *(sph_u32 *)dst = sph_bswap32(val);
 #elif SPH_BIG_ENDIAN
-	*(sph_u32 *)dst = val;
+        *(sph_u32 *)dst = val;
 #else
-	((unsigned char *)dst)0 = (val >> 24);
-	((unsigned char *)dst)1 = (val >> 16);
-	((unsigned char *)dst)2 = (val >> 8);
-	((unsigned char *)dst)3 = val;
+        ((unsigned char *)dst)0 = (unsigned char)(val >> 24);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)3 = (unsigned char)(val);
 #endif
 }
 
@@ -1432,29 +1433,29 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_LITTLE_ENDIAN
-	return sph_bswap32(*(const sph_u32 *)src);
+        return sph_bswap32(*(const sph_u32 *)src);
 #else
-	return *(const sph_u32 *)src;
+        return *(const sph_u32 *)src;
 #endif
 #else
-	if (((SPH_UPTR)src & 3) == 0) {
+        if (((SPH_UPTR)src & 3) == 0) {
 #if SPH_LITTLE_ENDIAN
-		return sph_bswap32(*(const sph_u32 *)src);
+                return sph_bswap32(*(const sph_u32 *)src);
 #else
-		return *(const sph_u32 *)src;
+                return *(const sph_u32 *)src;
 #endif
-	} else {
-		return ((sph_u32)(((const unsigned char *)src)0) << 24)
-			| ((sph_u32)(((const unsigned char *)src)1) << 16)
-			| ((sph_u32)(((const unsigned char *)src)2) << 8)
-			| (sph_u32)(((const unsigned char *)src)3);
-	}
+        } else {
+                return ((sph_u32)(((const unsigned char *)src)0) << 24)
+                        | ((sph_u32)(((const unsigned char *)src)1) << 16)
+                        | ((sph_u32)(((const unsigned char *)src)2) << 8)
+                        | (sph_u32)(((const unsigned char *)src)3);
+        }
 #endif
 #else
-	return ((sph_u32)(((const unsigned char *)src)0) << 24)
-		| ((sph_u32)(((const unsigned char *)src)1) << 16)
-		| ((sph_u32)(((const unsigned char *)src)2) << 8)
-		| (sph_u32)(((const unsigned char *)src)3);
+        return ((sph_u32)(((const unsigned char *)src)0) << 24)
+                | ((sph_u32)(((const unsigned char *)src)1) << 16)
+                | ((sph_u32)(((const unsigned char *)src)2) << 8)
+                | (sph_u32)(((const unsigned char *)src)3);
 #endif
 }
 
@@ -1469,14 +1470,14 @@
 sph_dec32be_aligned(const void *src)
 {
 #if SPH_LITTLE_ENDIAN
-	return sph_bswap32(*(const sph_u32 *)src);
+        return sph_bswap32(*(const sph_u32 *)src);
 #elif SPH_BIG_ENDIAN
-	return *(const sph_u32 *)src;
+        return *(const sph_u32 *)src;
 #else
-	return ((sph_u32)(((const unsigned char *)src)0) << 24)
-		| ((sph_u32)(((const unsigned char *)src)1) << 16)
-		| ((sph_u32)(((const unsigned char *)src)2) << 8)
-		| (sph_u32)(((const unsigned char *)src)3);
+        return ((sph_u32)(((const unsigned char *)src)0) << 24)
+                | ((sph_u32)(((const unsigned char *)src)1) << 16)
+                | ((sph_u32)(((const unsigned char *)src)2) << 8)
+                | (sph_u32)(((const unsigned char *)src)3);
 #endif
 }
 
@@ -1492,27 +1493,27 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_BIG_ENDIAN
-	val = sph_bswap32(val);
+        val = sph_bswap32(val);
 #endif
-	*(sph_u32 *)dst = val;
+        *(sph_u32 *)dst = val;
 #else
-	if (((SPH_UPTR)dst & 3) == 0) {
+        if (((SPH_UPTR)dst & 3) == 0) {
 #if SPH_BIG_ENDIAN
-		val = sph_bswap32(val);
+                val = sph_bswap32(val);
 #endif
-		*(sph_u32 *)dst = val;
-	} else {
-		((unsigned char *)dst)0 = val;
-		((unsigned char *)dst)1 = (val >> 8);
-		((unsigned char *)dst)2 = (val >> 16);
-		((unsigned char *)dst)3 = (val >> 24);
-	}
+                *(sph_u32 *)dst = val;
+        } else {
+                ((unsigned char *)dst)0 = (unsigned char)(val);
+                ((unsigned char *)dst)1 = (unsigned char)(val >> 8);
+                ((unsigned char *)dst)2 = (unsigned char)(val >> 16);
+                ((unsigned char *)dst)3 = (unsigned char)(val >> 24);
+        }
 #endif
 #else
-	((unsigned char *)dst)0 = val;
-	((unsigned char *)dst)1 = (val >> 8);
-	((unsigned char *)dst)2 = (val >> 16);
-	((unsigned char *)dst)3 = (val >> 24);
+        ((unsigned char *)dst)0 = (unsigned char)(val);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)3 = (unsigned char)(val >> 24);
 #endif
 }
 
@@ -1527,14 +1528,14 @@
 sph_enc32le_aligned(void *dst, sph_u32 val)
 {
 #if SPH_LITTLE_ENDIAN
-	*(sph_u32 *)dst = val;
+        *(sph_u32 *)dst = val;
 #elif SPH_BIG_ENDIAN
-	*(sph_u32 *)dst = sph_bswap32(val);
+        *(sph_u32 *)dst = sph_bswap32(val);
 #else
-	((unsigned char *)dst)0 = val;
-	((unsigned char *)dst)1 = (val >> 8);
-	((unsigned char *)dst)2 = (val >> 16);
-	((unsigned char *)dst)3 = (val >> 24);
+        ((unsigned char *)dst)0 = (unsigned char)(val);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)3 = (unsigned char)(val >> 24);
 #endif
 }
 
@@ -1550,25 +1551,25 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_BIG_ENDIAN
-	return sph_bswap32(*(const sph_u32 *)src);
+        return sph_bswap32(*(const sph_u32 *)src);
 #else
-	return *(const sph_u32 *)src;
+        return *(const sph_u32 *)src;
 #endif
 #else
-	if (((SPH_UPTR)src & 3) == 0) {
+        if (((SPH_UPTR)src & 3) == 0) {
 #if SPH_BIG_ENDIAN
 #if SPH_SPARCV9_GCC && !SPH_NO_ASM
-		sph_u32 tmp;
-
-		/*
-		 * "__volatile__" is needed here because without it,
-		 * gcc-3.4.3 miscompiles the code and performs the
-		 * access before the test on the address, thus triggering
-		 * a bus error...
-		 */
-		__asm__ __volatile__ (
-			"lda %10x88,%0" : "=r" (tmp) : "r" (src));
-		return tmp;
+                sph_u32 tmp;
+
+                /*
+                 * "__volatile__" is needed here because without it,
+                 * gcc-3.4.3 miscompiles the code and performs the
+                 * access before the test on the address, thus triggering
+                 * a bus error...
+                 */
+                __asm__ __volatile__ (
+                        "lda %10x88,%0" : "=r" (tmp) : "r" (src));
+                return tmp;
 /*
  * On PowerPC, this turns out not to be worth the effort: the inline
  * assembly makes GCC optimizer uncomfortable, which tends to nullify
@@ -1582,30 +1583,30 @@
  * functions, the generic code appears to be efficient enough already.
  *
 #elif (SPH_PPC32_GCC || SPH_PPC64_GCC) && !SPH_NO_ASM
-		sph_u32 tmp;
+                sph_u32 tmp;
 
-		__asm__ __volatile__ (
-			"lwbrx %0,0,%1" : "=r" (tmp) : "r" (src));
-		return tmp;
+                __asm__ __volatile__ (
+                        "lwbrx %0,0,%1" : "=r" (tmp) : "r" (src));
+                return tmp;
  */
 #else
-		return sph_bswap32(*(const sph_u32 *)src);
+                return sph_bswap32(*(const sph_u32 *)src);
 #endif
 #else
-		return *(const sph_u32 *)src;
+                return *(const sph_u32 *)src;
 #endif
-	} else {
-		return (sph_u32)(((const unsigned char *)src)0)
-			| ((sph_u32)(((const unsigned char *)src)1) << 8)
-			| ((sph_u32)(((const unsigned char *)src)2) << 16)
-			| ((sph_u32)(((const unsigned char *)src)3) << 24);
-	}
+        } else {
+                return (sph_u32)(((const unsigned char *)src)0)
+                        | ((sph_u32)(((const unsigned char *)src)1) << 8)
+                        | ((sph_u32)(((const unsigned char *)src)2) << 16)
+                        | ((sph_u32)(((const unsigned char *)src)3) << 24);
+        }
 #endif
 #else
-	return (sph_u32)(((const unsigned char *)src)0)
-		| ((sph_u32)(((const unsigned char *)src)1) << 8)
-		| ((sph_u32)(((const unsigned char *)src)2) << 16)
-		| ((sph_u32)(((const unsigned char *)src)3) << 24);
+        return (sph_u32)(((const unsigned char *)src)0)
+                | ((sph_u32)(((const unsigned char *)src)1) << 8)
+                | ((sph_u32)(((const unsigned char *)src)2) << 16)
+                | ((sph_u32)(((const unsigned char *)src)3) << 24);
 #endif
 }
 
@@ -1620,30 +1621,30 @@
 sph_dec32le_aligned(const void *src)
 {
 #if SPH_LITTLE_ENDIAN
-	return *(const sph_u32 *)src;
+        return *(const sph_u32 *)src;
 #elif SPH_BIG_ENDIAN
 #if SPH_SPARCV9_GCC && !SPH_NO_ASM
-	sph_u32 tmp;
+        sph_u32 tmp;
 
-	__asm__ __volatile__ ("lda %10x88,%0" : "=r" (tmp) : "r" (src));
-	return tmp;
+        __asm__ __volatile__ ("lda %10x88,%0" : "=r" (tmp) : "r" (src));
+        return tmp;
 /*
  * Not worth it generally.
  *
 #elif (SPH_PPC32_GCC || SPH_PPC64_GCC) && !SPH_NO_ASM
-	sph_u32 tmp;
+        sph_u32 tmp;
 
-	__asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (tmp) : "r" (src));
-	return tmp;
+        __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (tmp) : "r" (src));
+        return tmp;
  */
 #else
-	return sph_bswap32(*(const sph_u32 *)src);
+        return sph_bswap32(*(const sph_u32 *)src);
 #endif
 #else
-	return (sph_u32)(((const unsigned char *)src)0)
-		| ((sph_u32)(((const unsigned char *)src)1) << 8)
-		| ((sph_u32)(((const unsigned char *)src)2) << 16)
-		| ((sph_u32)(((const unsigned char *)src)3) << 24);
+        return (sph_u32)(((const unsigned char *)src)0)
+                | ((sph_u32)(((const unsigned char *)src)1) << 8)
+                | ((sph_u32)(((const unsigned char *)src)2) << 16)
+                | ((sph_u32)(((const unsigned char *)src)3) << 24);
 #endif
 }
 
@@ -1661,35 +1662,35 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_LITTLE_ENDIAN
-	val = sph_bswap64(val);
+        val = sph_bswap64(val);
 #endif
-	*(sph_u64 *)dst = val;
+        *(sph_u64 *)dst = val;
 #else
-	if (((SPH_UPTR)dst & 7) == 0) {
+        if (((SPH_UPTR)dst & 7) == 0) {
 #if SPH_LITTLE_ENDIAN
-		val = sph_bswap64(val);
-#endif
-		*(sph_u64 *)dst = val;
-	} else {
-		((unsigned char *)dst)0 = (val >> 56);
-		((unsigned char *)dst)1 = (val >> 48);
-		((unsigned char *)dst)2 = (val >> 40);
-		((unsigned char *)dst)3 = (val >> 32);
-		((unsigned char *)dst)4 = (val >> 24);
-		((unsigned char *)dst)5 = (val >> 16);
-		((unsigned char *)dst)6 = (val >> 8);
-		((unsigned char *)dst)7 = val;
-	}
+                val = sph_bswap64(val);
+#endif
+                *(sph_u64 *)dst = val;
+        } else {
+                ((unsigned char *)dst)0 = (val >> 56);
+                ((unsigned char *)dst)1 = (val >> 48);
+                ((unsigned char *)dst)2 = (val >> 40);
+                ((unsigned char *)dst)3 = (val >> 32);
+                ((unsigned char *)dst)4 = (val >> 24);
+                ((unsigned char *)dst)5 = (val >> 16);
+                ((unsigned char *)dst)6 = (val >> 8);
+                ((unsigned char *)dst)7 = val;
+        }
 #endif
 #else
-	((unsigned char *)dst)0 = (val >> 56);
-	((unsigned char *)dst)1 = (val >> 48);
-	((unsigned char *)dst)2 = (val >> 40);
-	((unsigned char *)dst)3 = (val >> 32);
-	((unsigned char *)dst)4 = (val >> 24);
-	((unsigned char *)dst)5 = (val >> 16);
-	((unsigned char *)dst)6 = (val >> 8);
-	((unsigned char *)dst)7 = val;
+        ((unsigned char *)dst)0 = (unsigned char)(val >> 56);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 48);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 40);
+        ((unsigned char *)dst)3 = (unsigned char)(val >> 32);
+        ((unsigned char *)dst)4 = (unsigned char)(val >> 24);
+        ((unsigned char *)dst)5 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)6 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)7 = (unsigned char)(val);
 #endif
 }
 
@@ -1704,18 +1705,18 @@
 sph_enc64be_aligned(void *dst, sph_u64 val)
 {
 #if SPH_LITTLE_ENDIAN
-	*(sph_u64 *)dst = sph_bswap64(val);
+        *(sph_u64 *)dst = sph_bswap64(val);
 #elif SPH_BIG_ENDIAN
-	*(sph_u64 *)dst = val;
+        *(sph_u64 *)dst = val;
 #else
-	((unsigned char *)dst)0 = (val >> 56);
-	((unsigned char *)dst)1 = (val >> 48);
-	((unsigned char *)dst)2 = (val >> 40);
-	((unsigned char *)dst)3 = (val >> 32);
-	((unsigned char *)dst)4 = (val >> 24);
-	((unsigned char *)dst)5 = (val >> 16);
-	((unsigned char *)dst)6 = (val >> 8);
-	((unsigned char *)dst)7 = val;
+        ((unsigned char *)dst)0 = (unsigned char)(val >> 56);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 48);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 40);
+        ((unsigned char *)dst)3 = (unsigned char)(val >> 32);
+        ((unsigned char *)dst)4 = (unsigned char)(val >> 24);
+        ((unsigned char *)dst)5 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)6 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)7 = (unsigned char)(val);
 #endif
 }
 
@@ -1731,37 +1732,37 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_LITTLE_ENDIAN
-	return sph_bswap64(*(const sph_u64 *)src);
+        return sph_bswap64(*(const sph_u64 *)src);
 #else
-	return *(const sph_u64 *)src;
+        return *(const sph_u64 *)src;
 #endif
 #else
-	if (((SPH_UPTR)src & 7) == 0) {
+        if (((SPH_UPTR)src & 7) == 0) {
 #if SPH_LITTLE_ENDIAN
-		return sph_bswap64(*(const sph_u64 *)src);
+                return sph_bswap64(*(const sph_u64 *)src);
 #else
-		return *(const sph_u64 *)src;
-#endif
-	} else {
-		return ((sph_u64)(((const unsigned char *)src)0) << 56)
-			| ((sph_u64)(((const unsigned char *)src)1) << 48)
-			| ((sph_u64)(((const unsigned char *)src)2) << 40)
-			| ((sph_u64)(((const unsigned char *)src)3) << 32)
-			| ((sph_u64)(((const unsigned char *)src)4) << 24)
-			| ((sph_u64)(((const unsigned char *)src)5) << 16)
-			| ((sph_u64)(((const unsigned char *)src)6) << 8)
-			| (sph_u64)(((const unsigned char *)src)7);
-	}
+                return *(const sph_u64 *)src;
+#endif
+        } else {
+                return ((sph_u64)(((const unsigned char *)src)0) << 56)
+                        | ((sph_u64)(((const unsigned char *)src)1) << 48)
+                        | ((sph_u64)(((const unsigned char *)src)2) << 40)
+                        | ((sph_u64)(((const unsigned char *)src)3) << 32)
+                        | ((sph_u64)(((const unsigned char *)src)4) << 24)
+                        | ((sph_u64)(((const unsigned char *)src)5) << 16)
+                        | ((sph_u64)(((const unsigned char *)src)6) << 8)
+                        | (sph_u64)(((const unsigned char *)src)7);
+        }
 #endif
 #else
-	return ((sph_u64)(((const unsigned char *)src)0) << 56)
-		| ((sph_u64)(((const unsigned char *)src)1) << 48)
-		| ((sph_u64)(((const unsigned char *)src)2) << 40)
-		| ((sph_u64)(((const unsigned char *)src)3) << 32)
-		| ((sph_u64)(((const unsigned char *)src)4) << 24)
-		| ((sph_u64)(((const unsigned char *)src)5) << 16)
-		| ((sph_u64)(((const unsigned char *)src)6) << 8)
-		| (sph_u64)(((const unsigned char *)src)7);
+        return ((sph_u64)(((const unsigned char *)src)0) << 56)
+                | ((sph_u64)(((const unsigned char *)src)1) << 48)
+                | ((sph_u64)(((const unsigned char *)src)2) << 40)
+                | ((sph_u64)(((const unsigned char *)src)3) << 32)
+                | ((sph_u64)(((const unsigned char *)src)4) << 24)
+                | ((sph_u64)(((const unsigned char *)src)5) << 16)
+                | ((sph_u64)(((const unsigned char *)src)6) << 8)
+                | (sph_u64)(((const unsigned char *)src)7);
 #endif
 }
 
@@ -1776,18 +1777,18 @@
 sph_dec64be_aligned(const void *src)
 {
 #if SPH_LITTLE_ENDIAN
-	return sph_bswap64(*(const sph_u64 *)src);
+        return sph_bswap64(*(const sph_u64 *)src);
 #elif SPH_BIG_ENDIAN
-	return *(const sph_u64 *)src;
+        return *(const sph_u64 *)src;
 #else
-	return ((sph_u64)(((const unsigned char *)src)0) << 56)
-		| ((sph_u64)(((const unsigned char *)src)1) << 48)
-		| ((sph_u64)(((const unsigned char *)src)2) << 40)
-		| ((sph_u64)(((const unsigned char *)src)3) << 32)
-		| ((sph_u64)(((const unsigned char *)src)4) << 24)
-		| ((sph_u64)(((const unsigned char *)src)5) << 16)
-		| ((sph_u64)(((const unsigned char *)src)6) << 8)
-		| (sph_u64)(((const unsigned char *)src)7);
+        return ((sph_u64)(((const unsigned char *)src)0) << 56)
+                | ((sph_u64)(((const unsigned char *)src)1) << 48)
+                | ((sph_u64)(((const unsigned char *)src)2) << 40)
+                | ((sph_u64)(((const unsigned char *)src)3) << 32)
+                | ((sph_u64)(((const unsigned char *)src)4) << 24)
+                | ((sph_u64)(((const unsigned char *)src)5) << 16)
+                | ((sph_u64)(((const unsigned char *)src)6) << 8)
+                | (sph_u64)(((const unsigned char *)src)7);
 #endif
 }
 
@@ -1803,35 +1804,35 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_BIG_ENDIAN
-	val = sph_bswap64(val);
+        val = sph_bswap64(val);
 #endif
-	*(sph_u64 *)dst = val;
+        *(sph_u64 *)dst = val;
 #else
-	if (((SPH_UPTR)dst & 7) == 0) {
+        if (((SPH_UPTR)dst & 7) == 0) {
 #if SPH_BIG_ENDIAN
-		val = sph_bswap64(val);
-#endif
-		*(sph_u64 *)dst = val;
-	} else {
-		((unsigned char *)dst)0 = val;
-		((unsigned char *)dst)1 = (val >> 8);
-		((unsigned char *)dst)2 = (val >> 16);
-		((unsigned char *)dst)3 = (val >> 24);
-		((unsigned char *)dst)4 = (val >> 32);
-		((unsigned char *)dst)5 = (val >> 40);
-		((unsigned char *)dst)6 = (val >> 48);
-		((unsigned char *)dst)7 = (val >> 56);
-	}
+                val = sph_bswap64(val);
+#endif
+                *(sph_u64 *)dst = val;
+        } else {
+                ((unsigned char *)dst)0 = val;
+                ((unsigned char *)dst)1 = (val >> 8);
+                ((unsigned char *)dst)2 = (val >> 16);
+                ((unsigned char *)dst)3 = (val >> 24);
+                ((unsigned char *)dst)4 = (val >> 32);
+                ((unsigned char *)dst)5 = (val >> 40);
+                ((unsigned char *)dst)6 = (val >> 48);
+                ((unsigned char *)dst)7 = (val >> 56);
+        }
 #endif
 #else
-	((unsigned char *)dst)0 = val;
-	((unsigned char *)dst)1 = (val >> 8);
-	((unsigned char *)dst)2 = (val >> 16);
-	((unsigned char *)dst)3 = (val >> 24);
-	((unsigned char *)dst)4 = (val >> 32);
-	((unsigned char *)dst)5 = (val >> 40);
-	((unsigned char *)dst)6 = (val >> 48);
-	((unsigned char *)dst)7 = (val >> 56);
+        ((unsigned char *)dst)0 = (unsigned char)(val);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)3 = (unsigned char)(val >> 24);
+        ((unsigned char *)dst)4 = (unsigned char)(val >> 32);
+        ((unsigned char *)dst)5 = (unsigned char)(val >> 40);
+        ((unsigned char *)dst)6 = (unsigned char)(val >> 48);
+        ((unsigned char *)dst)7 = (unsigned char)(val >> 56);
 #endif
 }
 
@@ -1846,18 +1847,18 @@
 sph_enc64le_aligned(void *dst, sph_u64 val)
 {
 #if SPH_LITTLE_ENDIAN
-	*(sph_u64 *)dst = val;
+        *(sph_u64 *)dst = val;
 #elif SPH_BIG_ENDIAN
-	*(sph_u64 *)dst = sph_bswap64(val);
+        *(sph_u64 *)dst = sph_bswap64(val);
 #else
-	((unsigned char *)dst)0 = val;
-	((unsigned char *)dst)1 = (val >> 8);
-	((unsigned char *)dst)2 = (val >> 16);
-	((unsigned char *)dst)3 = (val >> 24);
-	((unsigned char *)dst)4 = (val >> 32);
-	((unsigned char *)dst)5 = (val >> 40);
-	((unsigned char *)dst)6 = (val >> 48);
-	((unsigned char *)dst)7 = (val >> 56);
+        ((unsigned char *)dst)0 = (unsigned char)(val);
+        ((unsigned char *)dst)1 = (unsigned char)(val >> 8);
+        ((unsigned char *)dst)2 = (unsigned char)(val >> 16);
+        ((unsigned char *)dst)3 = (unsigned char)(val >> 24);
+        ((unsigned char *)dst)4 = (unsigned char)(val >> 32);
+        ((unsigned char *)dst)5 = (unsigned char)(val >> 40);
+        ((unsigned char *)dst)6 = (unsigned char)(val >> 48);
+        ((unsigned char *)dst)7 = (unsigned char)(val >> 56);
 #endif
 }
 
@@ -1873,59 +1874,59 @@
 #if defined SPH_UPTR
 #if SPH_UNALIGNED
 #if SPH_BIG_ENDIAN
-	return sph_bswap64(*(const sph_u64 *)src);
+        return sph_bswap64(*(const sph_u64 *)src);
 #else
-	return *(const sph_u64 *)src;
+        return *(const sph_u64 *)src;
 #endif
 #else
-	if (((SPH_UPTR)src & 7) == 0) {
+        if (((SPH_UPTR)src & 7) == 0) {
 #if SPH_BIG_ENDIAN
 #if SPH_SPARCV9_GCC_64 && !SPH_NO_ASM
-		sph_u64 tmp;
+                sph_u64 tmp;
 
-		__asm__ __volatile__ (
-			"ldxa %10x88,%0" : "=r" (tmp) : "r" (src));
-		return tmp;
+                __asm__ __volatile__ (
+                        "ldxa %10x88,%0" : "=r" (tmp) : "r" (src));
+                return tmp;
 /*
  * Not worth it generally.
  *
 #elif SPH_PPC32_GCC && !SPH_NO_ASM
-		return (sph_u64)sph_dec32le_aligned(src)
-			| ((sph_u64)sph_dec32le_aligned(
-				(const char *)src + 4) << 32);
+                return (sph_u64)sph_dec32le_aligned(src)
+                        | ((sph_u64)sph_dec32le_aligned(
+                                (const char *)src + 4) << 32);
 #elif SPH_PPC64_GCC && !SPH_NO_ASM
-		sph_u64 tmp;
+                sph_u64 tmp;
 
-		__asm__ __volatile__ (
-			"ldbrx %0,0,%1" : "=r" (tmp) : "r" (src));
-		return tmp;
+                __asm__ __volatile__ (
+                        "ldbrx %0,0,%1" : "=r" (tmp) : "r" (src));
+                return tmp;
  */
 #else
-		return sph_bswap64(*(const sph_u64 *)src);
+                return sph_bswap64(*(const sph_u64 *)src);
 #endif
 #else
-		return *(const sph_u64 *)src;
-#endif
-	} else {
-		return (sph_u64)(((const unsigned char *)src)0)
-			| ((sph_u64)(((const unsigned char *)src)1) << 8)
-			| ((sph_u64)(((const unsigned char *)src)2) << 16)
-			| ((sph_u64)(((const unsigned char *)src)3) << 24)
-			| ((sph_u64)(((const unsigned char *)src)4) << 32)
-			| ((sph_u64)(((const unsigned char *)src)5) << 40)
-			| ((sph_u64)(((const unsigned char *)src)6) << 48)
-			| ((sph_u64)(((const unsigned char *)src)7) << 56);
-	}
+                return *(const sph_u64 *)src;
+#endif
+        } else {
+                return (sph_u64)(((const unsigned char *)src)0)
+                        | ((sph_u64)(((const unsigned char *)src)1) << 8)
+                        | ((sph_u64)(((const unsigned char *)src)2) << 16)
+                        | ((sph_u64)(((const unsigned char *)src)3) << 24)
+                        | ((sph_u64)(((const unsigned char *)src)4) << 32)
+                        | ((sph_u64)(((const unsigned char *)src)5) << 40)
+                        | ((sph_u64)(((const unsigned char *)src)6) << 48)
+                        | ((sph_u64)(((const unsigned char *)src)7) << 56);
+        }
 #endif
 #else
-	return (sph_u64)(((const unsigned char *)src)0)
-		| ((sph_u64)(((const unsigned char *)src)1) << 8)
-		| ((sph_u64)(((const unsigned char *)src)2) << 16)
-		| ((sph_u64)(((const unsigned char *)src)3) << 24)
-		| ((sph_u64)(((const unsigned char *)src)4) << 32)
-		| ((sph_u64)(((const unsigned char *)src)5) << 40)
-		| ((sph_u64)(((const unsigned char *)src)6) << 48)
-		| ((sph_u64)(((const unsigned char *)src)7) << 56);
+        return (sph_u64)(((const unsigned char *)src)0)
+                | ((sph_u64)(((const unsigned char *)src)1) << 8)
+                | ((sph_u64)(((const unsigned char *)src)2) << 16)
+                | ((sph_u64)(((const unsigned char *)src)3) << 24)
+                | ((sph_u64)(((const unsigned char *)src)4) << 32)
+                | ((sph_u64)(((const unsigned char *)src)5) << 40)
+                | ((sph_u64)(((const unsigned char *)src)6) << 48)
+                | ((sph_u64)(((const unsigned char *)src)7) << 56);
 #endif
 }
 
@@ -1940,37 +1941,37 @@
 sph_dec64le_aligned(const void *src)
 {
 #if SPH_LITTLE_ENDIAN
-	return *(const sph_u64 *)src;
+        return *(const sph_u64 *)src;
 #elif SPH_BIG_ENDIAN
 #if SPH_SPARCV9_GCC_64 && !SPH_NO_ASM
-	sph_u64 tmp;
+        sph_u64 tmp;
 
-	__asm__ __volatile__ ("ldxa %10x88,%0" : "=r" (tmp) : "r" (src));
-	return tmp;
+        __asm__ __volatile__ ("ldxa %10x88,%0" : "=r" (tmp) : "r" (src));
+        return tmp;
 /*
  * Not worth it generally.
  *
 #elif SPH_PPC32_GCC && !SPH_NO_ASM
-	return (sph_u64)sph_dec32le_aligned(src)
-		| ((sph_u64)sph_dec32le_aligned((const char *)src + 4) << 32);
+        return (sph_u64)sph_dec32le_aligned(src)
+                | ((sph_u64)sph_dec32le_aligned((const char *)src + 4) << 32);
 #elif SPH_PPC64_GCC && !SPH_NO_ASM
-	sph_u64 tmp;
+        sph_u64 tmp;
 
-	__asm__ __volatile__ ("ldbrx %0,0,%1" : "=r" (tmp) : "r" (src));
-	return tmp;
+        __asm__ __volatile__ ("ldbrx %0,0,%1" : "=r" (tmp) : "r" (src));
+        return tmp;
  */
 #else
-	return sph_bswap64(*(const sph_u64 *)src);
+        return sph_bswap64(*(const sph_u64 *)src);
 #endif
 #else
-	return (sph_u64)(((const unsigned char *)src)0)
-		| ((sph_u64)(((const unsigned char *)src)1) << 8)
-		| ((sph_u64)(((const unsigned char *)src)2) << 16)
-		| ((sph_u64)(((const unsigned char *)src)3) << 24)
-		| ((sph_u64)(((const unsigned char *)src)4) << 32)
-		| ((sph_u64)(((const unsigned char *)src)5) << 40)
-		| ((sph_u64)(((const unsigned char *)src)6) << 48)
-		| ((sph_u64)(((const unsigned char *)src)7) << 56);
+        return (sph_u64)(((const unsigned char *)src)0)
+                | ((sph_u64)(((const unsigned char *)src)1) << 8)
+                | ((sph_u64)(((const unsigned char *)src)2) << 16)
+                | ((sph_u64)(((const unsigned char *)src)3) << 24)
+                | ((sph_u64)(((const unsigned char *)src)4) << 32)
+                | ((sph_u64)(((const unsigned char *)src)5) << 40)
+                | ((sph_u64)(((const unsigned char *)src)6) << 48)
+                | ((sph_u64)(((const unsigned char *)src)7) << 56);
 #endif
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/CMakeLists.txt Added

@@ -0,0 +1,64 @@
+set(TEST_PROGRAMS
+  cxx11
+  aes
+  arg_parser
+  ascii85
+  base64
+  bits
+  buffer
+  closed_file_input_source
+  concatenate
+  dct_compress
+  dct_uncompress
+  flate
+  hex
+  input_source
+  json
+  json_handler
+  json_parse
+  logger
+  lzw
+  main_from_wmain
+  matrix
+  md5
+  nntree
+  numrange
+  pdf_version
+  pl_function
+  pointer_holder
+  predictors
+  qintc
+  qutil
+  random
+  rc4
+  runlength
+  sha2
+  sparse_array)
+set(TEST_C_PROGRAMS
+  logger_c)
+
+foreach(PROG ${TEST_PROGRAMS})
+  add_executable(${PROG} ${PROG}.cc)
+  target_link_libraries(${PROG} libqpdf_object)
+endforeach()
+foreach(PROG ${TEST_C_PROGRAMS})
+  add_executable(${PROG} ${PROG}.c)
+  target_link_libraries(${PROG} libqpdf_object)
+  set_property(TARGET ${PROG} PROPERTY LINKER_LANGUAGE CXX)
+endforeach()
+
+# Since libtests link with the object library and don't use the DLL,
+# we don't need to (and shouldn't) add the libqpdf target directory to
+# the path for libtests.
+add_test(
+  NAME libtests
+  COMMAND ${RUN_QTEST}
+  --top ${qpdf_SOURCE_DIR}
+  --bin $<TARGET_FILE_DIR:qutil>
+  --bin $<TARGET_FILE_DIR:qpdf>
+  --code ${qpdf_SOURCE_DIR}/libtests
+  --color ${QTEST_COLOR}
+  --show-on-failure ${SHOW_FAILED_TEST_OUTPUT}
+  --tc "${qpdf_SOURCE_DIR}/libtests/*.cc"
+  --tc "${qpdf_SOURCE_DIR}/libqpdf/*.cc"
+  --tc "${qpdf_SOURCE_DIR}/libqpdf/qpdf/bits_functions.hh")

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/aes.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/aes.cc Changed

@@ -1,13 +1,15 @@
 #include <qpdf/Pl_AES_PDF.hh>
 #include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QUtil.hh>
 
-#include <stdio.h>
-#include <string.h>
 #include <iostream>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
-static void usage()
+static void
+usage()
 {
     std::cerr << "Usage: aes options hex-key infile outfile" << std::endl
               << "  -cbc         -- disable CBC mode" << std::endl
@@ -15,13 +17,15 @@
               << "  -encrypt     -- encrypt" << std::endl
               << "  -decrypt     -- decrypt CBC mode" << std::endl
               << "  -zero-iv     -- use zero initialization vector" << std::endl
-              << "  -static-iv   -- use static initialization vector" << std::endl
+              << "  -static-iv   -- use static initialization vector"
+              << std::endl
               << "  -no-padding  -- disable padding" << std::endl
               << "Options must precede key and file names." << std::endl;
     exit(2);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     bool encrypt = true;
     bool cbc_mode = true;
@@ -32,113 +36,81 @@
     bool static_iv = false;
     bool disable_padding = false;
 
-    for (int i = 1; i < argc; ++i)
-    {
+    for (int i = 1; i < argc; ++i) {
         char* arg = argvi;
-        if ((arg0 == '-') || (arg0 == '+'))
-        {
-            if (strcmp(arg, "-cbc") == 0)
-            {
+        if ((arg0 == '-') || (arg0 == '+')) {
+            if (strcmp(arg, "-cbc") == 0) {
                 cbc_mode = false;
-            }
-            else if (strcmp(arg, "+cbc") == 0)
-            {
+            } else if (strcmp(arg, "+cbc") == 0) {
                 cbc_mode = true;
-            }
-            else if (strcmp(arg, "-decrypt") == 0)
-            {
+            } else if (strcmp(arg, "-decrypt") == 0) {
                 encrypt = false;
-            }
-            else if (strcmp(arg, "-encrypt") == 0)
-            {
+            } else if (strcmp(arg, "-encrypt") == 0) {
                 encrypt = true;
-            }
-            else if (strcmp(arg, "-zero-iv") == 0)
-            {
+            } else if (strcmp(arg, "-zero-iv") == 0) {
                 zero_iv = true;
-            }
-            else if (strcmp(arg, "-static-iv") == 0)
-            {
+            } else if (strcmp(arg, "-static-iv") == 0) {
                 static_iv = true;
-            }
-            else if (strcmp(arg, "-no-padding") == 0)
-            {
+            } else if (strcmp(arg, "-no-padding") == 0) {
                 disable_padding = true;
-            }
-            else
-            {
+            } else {
                 usage();
             }
-        }
-        else if (argc == i + 3)
-        {
+        } else if (argc == i + 3) {
             hexkey = argvi;
-            infilename = argvi+1;
-            outfilename = argvi+2;
+            infilename = argvi + 1;
+            outfilename = argvi + 2;
             break;
-        }
-        else
-        {
+        } else {
             usage();
         }
     }
-    if (outfilename == 0)
-    {
+    if (outfilename == 0) {
         usage();
     }
 
-    unsigned int hexkeylen = strlen(hexkey);
+    unsigned int hexkeylen = QIntC::to_uint(strlen(hexkey));
     unsigned int keylen = hexkeylen / 2;
 
     FILE* infile = QUtil::safe_fopen(infilename, "rb");
     FILE* outfile = QUtil::safe_fopen(outfilename, "wb");
     unsigned char* key = new unsigned charkeylen;
-    for (unsigned int i = 0; i < strlen(hexkey); i += 2)
-    {
-	char t3;
-	t0 = hexkeyi;
-	t1 = hexkeyi + 1;
-	t2 = '\0';
+    for (unsigned int i = 0; i < strlen(hexkey); i += 2) {
+        char t3;
+        t0 = hexkeyi;
+        t1 = hexkeyi + 1;
+        t2 = '\0';
 
-	long val = strtol(t, 0, 16);
-	keyi/2 = static_cast<unsigned char>(val);
+        long val = strtol(t, 0, 16);
+        keyi / 2 = static_cast<unsigned char>(val);
     }
 
     Pl_StdioFile* out = new Pl_StdioFile("stdout", outfile);
     Pl_AES_PDF* aes = new Pl_AES_PDF("aes_128_cbc", out, encrypt, key, keylen);
-    delete  key;
+    delete key;
     key = 0;
-    if (! cbc_mode)
-    {
-	aes->disableCBC();
+    if (!cbc_mode) {
+        aes->disableCBC();
     }
-    if (zero_iv)
-    {
+    if (zero_iv) {
         aes->useZeroIV();
-    }
-    else if (static_iv)
-    {
+    } else if (static_iv) {
         aes->useStaticIV();
     }
-    if (disable_padding)
-    {
+    if (disable_padding) {
         aes->disablePadding();
     }
 
     // 16 < buffer size, buffer_size is not a multiple of 8 for testing
     unsigned char buf83;
     bool done = false;
-    while (! done)
-    {
-	size_t len = fread(buf, 1, sizeof(buf), infile);
-	if (len <= 0)
-	{
-	    done = true;
-	}
-	else
-	{
-	    aes->write(buf, len);
-	}
+    while (!done) {
+        size_t len = fread(buf, 1, sizeof(buf), infile);
+        if (len <= 0) {
+            done = true;
+        } else {
+            aes->write(buf, len);
+        }
     }
     aes->finish();
     delete aes;

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/arg_parser.cc Added

@@ -0,0 +1,220 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/QPDFArgParser.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QUtil.hh>
+#include <cstring>
+#include <iostream>
+
+class ArgParser
+{
+  public:
+    ArgParser(int argc, char* argv);
+    void parseArgs();
+
+    void test_exceptions();
+
+  private:
+    void handlePotato();
+    void handleSalad(std::string const& p);
+    void handleMoo(std::string const& p);
+    void handleOink(std::string const& p);
+    void handleQuack(std::string const& p);
+    void startQuack();
+    void getQuack(std::string const& p);
+    void endQuack();
+    void finalChecks();
+
+    void initOptions();
+    void output(std::string const&);
+
+    QPDFArgParser ap;
+    int quacks;
+};
+
+ArgParser::ArgParser(int argc, char* argv) :
+    ap(QPDFArgParser(argc, argv, "TEST_ARG_PARSER")),
+    quacks(0)
+{
+    initOptions();
+}
+
+void
+ArgParser::initOptions()
+{
+    auto b = this(void (ArgParser::*f)()) {
+        return QPDFArgParser::bindBare(f, this);
+    };
+    auto p = this(void (ArgParser::*f)(std::string const&)) {
+        return QPDFArgParser::bindParam(f, this);
+    };
+
+    ap.addBare("potato", b(&ArgParser::handlePotato));
+    ap.addRequiredParameter("salad", p(&ArgParser::handleSalad), "tossed");
+    ap.addOptionalParameter("moo", p(&ArgParser::handleMoo));
+    char const* choices = {"pig", "boar", "sow", 0};
+    ap.addChoices("oink", p(&ArgParser::handleOink), true, choices);
+    ap.selectHelpOptionTable();
+    ap.addBare("version", this() { output("3.14159"); });
+    ap.selectMainOptionTable();
+    ap.addBare("quack", b(&ArgParser::startQuack));
+    ap.registerOptionTable("quack", b(&ArgParser::endQuack));
+    ap.addPositional(p(&ArgParser::getQuack));
+    ap.addFinalCheck(b(&ArgParser::finalChecks));
+    ap.selectMainOptionTable();
+    ap.addBare("baaa", this() { this->ap.selectOptionTable("baaa"); });
+    ap.registerOptionTable("baaa", nullptr);
+    ap.addBare("ewe", this() { output("you"); });
+    ap.addBare("ram", this() { output("ram"); });
+    ap.selectMainOptionTable();
+    ap.addBare("sheep", this() { this->ap.selectOptionTable("sheep"); });
+    ap.registerOptionTable("sheep", nullptr);
+
+    ap.addHelpFooter("For more help, read the manual.\n");
+    ap.addHelpTopic(
+        "quack",
+        "Quack Options",
+        "Just put stuff after quack to get a count at the end.\n");
+    ap.addHelpTopic(
+        "baaa",
+        "Baaa Options",
+        "Ewe can do sheepish things.\n"
+        "For example, ewe can add more ram to your computer.\n");
+    ap.addOptionHelp("--ewe", "baaa", "just for ewe", "You are not a ewe.\n");
+    ap.addOptionHelp("--ram", "baaa", "curly horns", "");
+}
+
+void
+ArgParser::output(std::string const& msg)
+{
+    if (!this->ap.isCompleting()) {
+        std::cout << msg << std::endl;
+    }
+}
+
+void
+ArgParser::handlePotato()
+{
+    output("got potato");
+}
+
+void
+ArgParser::handleSalad(std::string const& p)
+{
+    output(std::string("got salad=") + p);
+}
+
+void
+ArgParser::handleMoo(std::string const& p)
+{
+    output(std::string("got moo=") + (p.empty() ? "(none)" : p));
+}
+
+void
+ArgParser::handleOink(std::string const& p)
+{
+    output(std::string("got oink=") + p);
+}
+
+void
+ArgParser::parseArgs()
+{
+    this->ap.parseArgs();
+}
+
+void
+ArgParser::startQuack()
+{
+    this->ap.selectOptionTable("quack");
+    if (this->ap.isCompleting()) {
+        if (this->ap.isCompleting() && (this->ap.argsLeft() == 0)) {
+            this->ap.insertCompletion("something");
+            this->ap.insertCompletion("anything");
+        }
+        return;
+    }
+}
+
+void
+ArgParser::getQuack(std::string const& p)
+{
+    ++this->quacks;
+    if (this->ap.isCompleting() && (this->ap.argsLeft() == 0)) {
+        this->ap.insertCompletion(
+            std::string("thing-") + QUtil::int_to_string(this->quacks));
+        return;
+    }
+    output(std::string("got quack: ") + p);
+}
+
+void
+ArgParser::endQuack()
+{
+    output("total quacks so far: " + QUtil::int_to_string(this->quacks));
+}
+
+void
+ArgParser::finalChecks()
+{
+    output("total quacks: " + QUtil::int_to_string(this->quacks));
+}
+
+void
+ArgParser::test_exceptions()
+{
+    auto err = (char const* msg, std::function<void()> fn) {
+        try {
+            fn();
+            assert(msg == nullptr);
+        } catch (std::exception& e) {
+            std::cout << msg << ": " << e.what() << std::endl;
+        }
+    };
+
+    err("duplicate handler", this() {
+        ap.selectMainOptionTable();
+        ap.addBare("potato", () {});
+    });
+    err("duplicate handler", this() {
+        ap.selectOptionTable("baaa");
+        ap.addBare("ram", () {});
+    });
+    err("duplicate table",
+        this() { ap.registerOptionTable("baaa", nullptr); });
+    err("unknown table", this() { ap.selectOptionTable("aardvark"); });
+    err("add existing help topic",
+        this() { ap.addHelpTopic("baaa", "potato", "salad"); });
+    err("add reserved help topic",
+        this() { ap.addHelpTopic("all", "potato", "salad"); });
+    err("add to unknown topic",
+        this() { ap.addOptionHelp("--new", "oops", "potato", "salad"); });
+    err("bad option for help",
+        this() { ap.addOptionHelp("nodash", "baaa", "potato", "salad"); });
+    err("bad topic for help",
+        this() { ap.addHelpTopic("--dashes", "potato", "salad"); });
+    err("duplicate option help",
+        this() { ap.addOptionHelp("--ewe", "baaa", "potato", "salad"); });
+    err("invalid choice handler to unknown", this() {
+        ap.addInvalidChoiceHandler("elephant", (std::string const&) {});
+    });
+}
+
+int
+main(int argc, char* argv)
+{
+    ArgParser ap(argc, argv);
+    if ((argc == 2) && (strcmp(argv1, "exceptions") == 0)) {
+        ap.test_exceptions();
+        return 0;
+    }
+    try {
+        ap.parseArgs();
+    } catch (QPDFUsage& e) {
+        std::cerr << "usage: " << e.what() << std::endl;
+        exit(2);
+    } catch (std::exception& e) {
+        std::cerr << "exception: " << e.what() << std::endl;
+        exit(3);
+    }
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/ascii85.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/ascii85.cc Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/base64.cc Added

@@ -0,0 +1,82 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/Pl_Base64.hh>
+
+#include <qpdf/Pl_OStream.hh>
+#include <qpdf/QUtil.hh>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <stdexcept>
+
+static bool
+write_some(FILE* f, size_t bytes, Pipeline* p)
+{
+    unsigned char buf1000;
+    assert(bytes <= sizeof(buf));
+    size_t len = fread(buf, 1, bytes, f);
+    if (len > 0) {
+        p->write(buf, len);
+    }
+    if (len < bytes) {
+        if (ferror(f)) {
+            std::cerr << "error reading file" << std::endl;
+            exit(2);
+        }
+        p->finish();
+        return false;
+    }
+    return (len == bytes);
+}
+
+static void
+usage()
+{
+    std::cerr << "Usage: base64 encode|decode" << std::endl;
+    exit(2);
+}
+
+int
+main(int argc, char* argv)
+{
+    if (argc != 2) {
+        usage();
+    }
+    QUtil::binary_stdout();
+    QUtil::binary_stdin();
+    Pl_Base64::action_e action = Pl_Base64::a_decode;
+    if (strcmp(argv1, "encode") == 0) {
+        action = Pl_Base64::a_encode;
+    } else if (strcmp(argv1, "decode") != 0) {
+        usage();
+    }
+
+    try {
+        Pl_OStream out("stdout", std::cout);
+        Pl_Base64 decode("decode", &out, action);
+        // The comments are "n: n%4 n%3", where n is the number of
+        // bytes read at the end of the call, and are there to
+        // indicate that we are reading in chunks that exercise
+        // various boundary conditions around subsequent writes and
+        // the state of buf and pos. There are some writes that don't
+        // do flush at all, some that call flush multiple times, and
+        // some that start in the middle and do flush, and this is
+        // true for both encode and decode.
+        if (write_some(stdin, 1, &decode) && //  1: 1 1
+            write_some(stdin, 4, &decode) && //  5: 1 2
+            write_some(stdin, 2, &decode) && //  7: 3 1
+            write_some(stdin, 2, &decode) && //  9: 1 0
+            write_some(stdin, 7, &decode) && // 16: 0 1
+            write_some(stdin, 1, &decode) && // 17: 1 2
+            write_some(stdin, 9, &decode) && // 26: 2 2
+            write_some(stdin, 2, &decode)) { // 28: 0 1
+            while (write_some(stdin, 1000, &decode)) {
+            }
+        }
+    } catch (std::exception& e) {
+        std::cout << "exception: " << e.what() << std::endl;
+        exit(2);
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/bits.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/bits.cc Changed

@@ -1,45 +1,53 @@
 #include <qpdf/BitStream.hh>
 #include <qpdf/BitWriter.hh>
 #include <qpdf/Pl_Buffer.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QUtil.hh>
 #include <iostream>
 #include <stdio.h>
 #include <stdlib.h>
 
-// See comments in bits.cc
+// See comments in bits_functions.hh
 #define BITS_TESTING 1
 #define BITS_READ 1
 #define BITS_WRITE 1
-#include "../libqpdf/bits.icc"
+#include <qpdf/bits_functions.hh>
 
 static void
-print_values(int byte_offset, unsigned int bit_offset,
-	     unsigned int bits_available)
+print_values(long long byte_offset, size_t bit_offset, size_t bits_available)
 {
     std::cout << "byte offset = " << byte_offset << ", "
-	      << "bit offset = " << bit_offset << ", "
-	      << "bits available = " << bits_available << std::endl;
+              << "bit offset = " << bit_offset << ", "
+              << "bits available = " << bits_available << std::endl;
 }
 
 static void
-test_read_bits(unsigned char const* buf,
-	       unsigned char const*& p, unsigned int& bit_offset,
-	       unsigned int& bits_available, int bits_wanted)
+test_read_bits(
+    unsigned char const* buf,
+    unsigned char const*& p,
+    size_t& bit_offset,
+    size_t& bits_available,
+    size_t bits_wanted)
 {
     unsigned long result =
-	read_bits(p, bit_offset, bits_available, bits_wanted);
+        QIntC::to_ulong(read_bits(p, bit_offset, bits_available, bits_wanted));
 
     std::cout << "bits read: " << bits_wanted << ", result = " << result
-	      << std::endl;
+              << std::endl;
     print_values(p - buf, bit_offset, bits_available);
 }
 
 static void
-test_write_bits(unsigned char& ch, unsigned int& bit_offset, unsigned long val,
-		int bits, Pl_Buffer* bp)
+test_write_bits(
+    unsigned char& ch,
+    size_t& bit_offset,
+    unsigned long val,
+    size_t bits,
+    Pl_Buffer* bp)
 {
     write_bits(ch, bit_offset, val, bits, bp);
-    printf("ch = %02x, bit_offset = %d\n",
-           static_cast<unsigned int>(ch), bit_offset);
+    std::cout << "ch = " << QUtil::uint_to_string_base(ch, 16, 2)
+              << ", bit_offset = " << bit_offset << std::endl;
 }
 
 static void
@@ -49,12 +57,11 @@
     Buffer* b = bp->getBuffer();
     unsigned char const* p = b->getBuffer();
     size_t l = b->getSize();
-    for (unsigned long i = 0; i < l; ++i)
-    {
-	printf("%02x%s", static_cast<unsigned int>(pi),
-	       (i == l - 1) ? "\n" : " ");
+    for (unsigned long i = 0; i < l; ++i) {
+        std::cout << QUtil::uint_to_string_base(pi, 16, 2)
+                  << ((i == l - 1) ? "\n" : " ");
     }
-    printf("\n");
+    std::cout << std::endl;
     delete b;
 }
 
@@ -67,12 +74,11 @@
     // Read tests
 
     static unsigned char const buf = {
-	0xF5, 0x15, 0x65, 0x79, 0x12, 0x89, 0x75, 0x4B
-    };
+        0xF5, 0x15, 0x65, 0x79, 0x12, 0x89, 0x75, 0x4B};
 
     unsigned char const* p = buf;
-    unsigned int bit_offset = 7;
-    unsigned int bits_available = 64;
+    size_t bit_offset = 7;
+    size_t bits_available = 64;
 
     // 11110:101 0:001010:1 01100101: 01111001
     // 0:00:1:0010 10001001 01110101 01001:011
@@ -87,14 +93,11 @@
     test_read_bits(buf, p, bit_offset, bits_available, 0);
     test_read_bits(buf, p, bit_offset, bits_available, 25);
 
-    try
-    {
-	test_read_bits(buf, p, bit_offset, bits_available, 4);
-    }
-    catch (std::exception& e)
-    {
-	std::cout << "exception: " << e.what() << std::endl;
-	print_values(p - buf, bit_offset, bits_available);
+    try {
+        test_read_bits(buf, p, bit_offset, bits_available, 4);
+    } catch (std::exception& e) {
+        std::cout << "exception: " << e.what() << std::endl;
+        print_values(p - buf, bit_offset, bits_available);
     }
 
     test_read_bits(buf, p, bit_offset, bits_available, 3);
@@ -163,7 +166,7 @@
     bw.writeBits(30UL, 5);
     bw.flush();
     bw.flush();
-    bw.writeBits(0xABUL, 8);
+    bw.writeBitsInt(0xAB, 8);
     bw.flush();
     print_buffer(bp);
     bw.writeBitsSigned(-1, 3);  // 111
@@ -177,16 +180,14 @@
     delete bp;
 }
 
-int main()
+int
+main()
 {
-    try
-    {
-	test();
-    }
-    catch (std::exception& e)
-    {
-	std::cout << "unexpected exception: " << e.what() << std::endl;
-	exit(2);
+    try {
+        test();
+    } catch (std::exception& e) {
+        std::cout << "unexpected exception: " << e.what() << std::endl;
+        exit(2);
     }
     std::cout << "done" << std::endl;
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/buffer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/buffer.cc Changed

@@ -1,78 +1,143 @@
+#include <qpdf/assert_test.h>
+
 #include <qpdf/Pl_Buffer.hh>
 #include <qpdf/Pl_Count.hh>
 #include <qpdf/Pl_Discard.hh>
 #include <qpdf/QUtil.hh>
-#include <stdlib.h>
-#include <stdexcept>
+#include <cstring>
 #include <iostream>
+#include <stdexcept>
+#include <stdlib.h>
 
-static unsigned char* uc(char const* s)
+static unsigned char*
+uc(char const* s)
 {
     return QUtil::unsigned_char_pointer(s);
 }
 
-int main()
+int
+main()
 {
-    try
     {
-	Pl_Discard discard;
-	Pl_Count count("count", &discard);
-	Pl_Buffer bp1("bp1", &count);
-	bp1.write(uc("12345"), 5);
-	bp1.write(uc("67890"), 5);
-	bp1.finish();
-	std::cout << "count: " << count.getCount() << std::endl;
-	bp1.write(uc("abcde"), 5);
-	bp1.write(uc("fghij"), 6);
-	bp1.finish();
-	std::cout << "count: " << count.getCount() << std::endl;
-	Buffer* b = bp1.getBuffer();
-	std::cout << "size: " << b->getSize() << std::endl;
-	std::cout << "data: " << b->getBuffer() << std::endl;
-	delete b;
-	bp1.write(uc("qwert"), 5);
-	bp1.write(uc("yuiop"), 6);
-	bp1.finish();
-	std::cout << "count: " << count.getCount() << std::endl;
-	b = bp1.getBuffer();
-	std::cout << "size: " << b->getSize() << std::endl;
-	std::cout << "data: " << b->getBuffer() << std::endl;
-	delete b;
+        // Test that buffers can be copied by value.
+        Buffer bc1(2);
+        unsigned char* bc1p = bc1.getBuffer();
+        bc1p0 = 'Q';
+        bc1p1 = 'W';
+        Buffer bc2(bc1);
+        bc1p0 = 'R';
+        unsigned char* bc2p = bc2.getBuffer();
+        assert(bc2p != bc1p);
+        assert(bc2p0 == 'Q');
+        assert(bc2p1 == 'W');
+        bc2 = bc1;
+        bc2p = bc2.getBuffer();
+        assert(bc2p != bc1p);
+        assert(bc2p0 == 'R');
+        assert(bc2p1 == 'W');
+    }
+
+    {
+        // Test that buffers can be moved.
+        Buffer bm1(2);
+        unsigned char* bm1p = bm1.getBuffer();
+        bm1p0 = 'Q';
+        bm1p1 = 'W';
+        Buffer bm2(std::move(bm1));
+        bm1p0 = 'R';
+        unsigned char* bm2p = bm2.getBuffer();
+        assert(bm2p == bm1p);
+        assert(bm2p0 == 'R');
+
+        Buffer bm3 = std::move(bm2);
+        unsigned char* bm3p = bm3.getBuffer();
+        assert(bm3p == bm2p);
+    }
+
+    try {
+        Pl_Discard discard;
+        Pl_Count count("count", &discard);
+        Pl_Buffer bp1("bp1", &count);
+        bp1.write(uc("12345"), 5);
+        bp1.write(uc("67890"), 5);
+        bp1.finish();
+        std::cout << "count: " << count.getCount() << std::endl;
+        bp1.write(uc("abcde"), 5);
+        bp1.write(uc("fghij"), 6);
+        bp1.finish();
+        std::cout << "count: " << count.getCount() << std::endl;
+        Buffer* b = bp1.getBuffer();
+        std::cout << "size: " << b->getSize() << std::endl;
+        std::cout << "data: " << b->getBuffer() << std::endl;
+        delete b;
+        bp1.write(uc("qwert"), 5);
+        bp1.write(uc("yuiop"), 6);
+        bp1.finish();
+        std::cout << "count: " << count.getCount() << std::endl;
+        b = bp1.getBuffer();
+        std::cout << "size: " << b->getSize() << std::endl;
+        std::cout << "data: " << b->getBuffer() << std::endl;
+        delete b;
 
-	Pl_Buffer bp2("bp2");
-	bp2.write(uc("moo"), 3);
-	bp2.write(uc("quack"), 6);
-	try
-	{
-	    delete bp2.getBuffer();
-	}
-	catch (std::exception& e)
-	{
-	    std::cout << e.what() << std::endl;
-	}
-	bp2.finish();
-	b = bp2.getBuffer();
-	std::cout << "size: " << b->getSize() << std::endl;
-	std::cout << "data: " << b->getBuffer() << std::endl;
-	delete b;
+        Pl_Buffer bp2("bp2");
+        bp2.write(uc("moo"), 3);
+        bp2.write(uc("quack"), 6);
+        try {
+            delete bp2.getBuffer();
+        } catch (std::exception& e) {
+            std::cout << e.what() << std::endl;
+        }
+        bp2.finish();
+        b = bp2.getBuffer();
+        std::cout << "size: " << b->getSize() << std::endl;
+        std::cout << "data: " << b->getBuffer() << std::endl;
+        delete b;
 
-	unsigned char lbuf10;
-	Buffer b1(lbuf, 10);
-	if (! ((b1.getBuffer() == lbuf) &&
-	       (b1.getSize() == 10)))
-	{
-	    throw std::logic_error("hand-created buffer is not as expected");
-	}
+        unsigned char lbuf10;
+        Buffer b1(lbuf, 10);
+        if (!((b1.getBuffer() == lbuf) && (b1.getSize() == 10))) {
+            throw std::logic_error("hand-created buffer is not as expected");
+        }
 
         Pl_Buffer bp3("bp3");
         b = bp3.getBuffer();
         std::cout << "size: " << b->getSize() << std::endl;
         delete b;
-    }
-    catch (std::exception& e)
-    {
-	std::cout << "unexpected exception: " << e.what() << std::endl;
-	exit(2);
+        // Should be able to call getBuffer again and get an empty buffer
+        b = bp3.getBuffer();
+        std::cout << "size: " << b->getSize() << std::endl;
+        delete b;
+        // Also can write 0 and do it.
+        bp3.write(uc(""), 0);
+        bp3.finish();
+        b = bp3.getBuffer();
+        std::cout << "size: " << b->getSize() << std::endl;
+        delete b;
+
+        // Malloc buffer should behave similarly.
+        Pl_Buffer bp4("bp4");
+        bp4.write(uc("asdf"), 4);
+        unsigned char* mbuf;
+        size_t len;
+        try {
+            bp4.getMallocBuffer(&mbuf, &len);
+            assert(false);
+        } catch (std::logic_error& e) {
+            std::cout << "malloc buffer logic error: " << e.what() << std::endl;
+        }
+        bp4.finish();
+        bp4.getMallocBuffer(&mbuf, &len);
+        assert(len == 4);
+        assert(memcmp(mbuf, uc("asdf"), 4) == 0);
+        free(mbuf);
+        bp4.write(uc(""), 0);
+        bp4.finish();
+        bp4.getMallocBuffer(&mbuf, &len);
+        assert(mbuf == nullptr);
+        assert(len == 0);
+    } catch (std::exception& e) {
+        std::cout << "unexpected exception: " << e.what() << std::endl;
+        exit(2);
     }
 
     std::cout << "done" << std::endl;

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/closed_file_input_source.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/closed_file_input_source.cc Changed

@@ -1,20 +1,21 @@
 #include <qpdf/ClosedFileInputSource.hh>
 #include <qpdf/FileInputSource.hh>
 
-#include <stdio.h>
-#include <string.h>
 #include <iostream>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
-void check(std::string const& what, bool result)
+void
+check(std::string const& what, bool result)
 {
-    if (! result)
-    {
+    if (!result) {
         std::cout << "FAIL: " << what << std::endl;
     }
 }
 
-void do_tests(InputSource* is)
+void
+do_tests(InputSource* is)
 {
     check("get name", "input" == is->getName());
     check("initial tell", 0 == is->tell());
@@ -38,9 +39,9 @@
     is->seek(521, SEEK_SET);
     is->read(b, 1);
 #else
-    is->unreadCh('Q');
+    is->unreadCh('\n');
     check("read unread character", 1 == is->read(b, 1));
-    check("got character", 'Q' == b0);
+    check("got character", '\n' == b0);
 #endif
     check("last offset after read unread", 521 == is->getLastOffset());
     is->seek(0, SEEK_END);
@@ -59,7 +60,8 @@
     check("last offset after read 0", 0 == is->getLastOffset());
 }
 
-int main()
+int
+main()
 {
     // This test is designed to work with a specified input file.
     std::cout << "testing with ClosedFileInputSource\n";
@@ -71,8 +73,7 @@
     do_tests(&cf2);
     cf2.stayOpen(false);
     std::cout << "testing with FileInputSource\n";
-    FileInputSource f;
-    f.setFilename("input");
+    FileInputSource f("input");
     do_tests(&f);
     std::cout << "all assertions passed" << std::endl;
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/concatenate.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/concatenate.cc Changed

@@ -1,17 +1,20 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/Pl_Buffer.hh>
 #include <qpdf/Pl_Concatenate.hh>
 #include <qpdf/Pl_Flate.hh>
-#include <qpdf/Pl_Buffer.hh>
 #include <qpdf/QUtil.hh>
 #include <iostream>
-#include <assert.h>
 
-static void pipeStringAndFinish(Pipeline* p, std::string const& str)
+static void
+pipeStringAndFinish(Pipeline* p, std::string const& str)
 {
     p->write(QUtil::unsigned_char_pointer(str), str.length());
     p->finish();
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     Pl_Buffer b1("compressed");
     Pl_Flate deflate("compress", &b1, Pl_Flate::a_deflate);
@@ -20,20 +23,17 @@
     pipeStringAndFinish(&concat, "-two-");
     concat.manualFinish();
 
-    PointerHolder<Buffer> b1_buf = b1.getBuffer();
+    auto b1_buf = b1.getBufferSharedPointer();
     Pl_Buffer b2("uncompressed");
     Pl_Flate inflate("uncompress", &b2, Pl_Flate::a_inflate);
     inflate.write(b1_buf->getBuffer(), b1_buf->getSize());
     inflate.finish();
-    PointerHolder<Buffer> b2_buf = b2.getBuffer();
-    std::string result(reinterpret_cast<char*>(b2_buf->getBuffer()),
-                       b2_buf->getSize());
-    if (result == "-one--two-")
-    {
+    auto b2_buf = b2.getBufferSharedPointer();
+    std::string result(
+        reinterpret_cast<char*>(b2_buf->getBuffer()), b2_buf->getSize());
+    if (result == "-one--two-") {
         std::cout << "concatenate test passed" << std::endl;
-    }
-    else
-    {
+    } else {
         std::cout << "concatenate test failed: " << result << std::endl;
     }
     return 0;

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/cxx11.cc Added

@@ -0,0 +1,418 @@
+#include <qpdf/assert_test.h>
+
+#include <cstdint>
+#include <cstdlib>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <map>
+#include <memory>
+#include <regex>
+#include <type_traits>
+#include <vector>
+
+// Functional programming
+
+// Function that returns a callable in the form of a lambda
+std::function<int(int)>
+make_adder(int x)
+{
+    return (=(int a) -> int { return x + a; });
+}
+
+void
+do_functional()
+{
+    // Lambda with no capture
+    auto simple_lambda = (int a) { return a + 3; };
+    assert(simple_lambda(5) == 8);
+
+    // Capture by value
+    int x = 5;
+    auto by_value = x(int a) { return a + x; };
+    assert(by_value(1) == 6);
+    x = 7; // change not seen by lambda
+    assert(by_value(1) == 6);
+    // Also >> at end of template
+    assert((std::is_convertible<decltype(by_value), std::function<int(int)>>::
+                value));
+
+    // Capture by reference
+    auto by_reference = &x(int a) { return a + x; };
+    assert(by_reference(1) == 8);
+    x = 8; // change seen my lambda
+    assert(by_reference(1) == 9);
+
+    // Get a callable from a function
+    auto add3 = make_adder(3);
+    assert(add3(5) == 8);
+
+    auto make_addr_lambda = (int a) { return a(int b) { return a + b; }; };
+
+    assert(make_addr_lambda(6)(8) == 14);
+
+    // nullptr and {} are empty functions
+    std::function<void()> f1 = {};
+    assert(!f1);
+    std::function<void()> f2 = nullptr;
+    assert(!f2);
+}
+
+// Integer types, type traits
+
+template <typename T>
+void
+check_size(size_t size, bool is_signed)
+{
+    assert(sizeof(T) == size);
+    assert(std::is_signed<T>::value == is_signed);
+}
+
+void
+do_inttypes()
+{
+    // static_assert is a compile-time check
+    static_assert(1 == sizeof(int8_t), "int8_t check");
+    check_size<int8_t>(1, true);
+    check_size<uint8_t>(1, false);
+    check_size<int16_t>(2, true);
+    check_size<uint16_t>(2, false);
+    check_size<int32_t>(4, true);
+    check_size<uint32_t>(4, false);
+    check_size<int64_t>(8, true);
+    check_size<uint64_t>(8, false);
+
+    // auto, decltype
+    auto x = 5LL;
+    check_size<decltype(x)>(8, true);
+    assert((std::is_same<long long, decltype(x)>::value));
+}
+
+class A
+{
+  public:
+    static constexpr auto def_value = 5;
+    A(int x) :
+        x(x)
+    {
+    }
+    // Constructor delegation
+    A() :
+        A(def_value)
+    {
+    }
+    int
+    getX() const
+    {
+        return x;
+    }
+
+  private:
+    int x;
+};
+
+void
+do_iteration()
+{
+    // Initializers, foreach syntax, auto for iterators
+    std::vector<int> v = {1, 2, 3, 4};
+    assert(v.size() == 4);
+    int sum = 0;
+    for (auto& i: v) {
+        sum += i;
+    }
+    assert(10 == sum);
+    for (auto i = v.begin(); i != v.end(); ++i) {
+        sum += *i;
+    }
+    assert(20 == sum);
+
+    std::vector<A> v2 = {A(), A(3)};
+    assert(5 == v2.at(0).getX());
+    assert(3 == v2.at(1).getX());
+}
+
+// Variadic template
+
+template <class A1>
+void
+variadic1(A1 const& a1)
+{
+    assert(a1 == 12);
+}
+
+template <class A1, class A2>
+void
+variadic1(A1 const& a1, A2 const& a2)
+{
+    assert(a1 == a2);
+}
+
+template <class... Args>
+void
+variadic(Args... args)
+{
+    variadic1(args...);
+}
+
+template <class A>
+bool
+pairwise_equal(A const& a, A const& b)
+{
+    return (a == b);
+}
+
+template <class T, class... Rest>
+bool
+pairwise_equal(T const& a, T const& b, Rest... rest)
+{
+    return pairwise_equal(a, b) && pairwise_equal(rest...);
+}
+
+void
+do_variadic()
+{
+    variadic(15, 15);
+    variadic(12);
+    assert(pairwise_equal(5, 5, 2.0, 2.0, std::string("a"), std::string("a")));
+    assert(!pairwise_equal(5, 5, 2.0, 3.0));
+}
+
+// deleted, default
+
+class B
+{
+  public:
+    B(int x) :
+        x(x)
+    {
+    }
+    B() :
+        B(5)
+    {
+    }
+    int
+    getX() const
+    {
+        return x;
+    }
+
+    virtual ~B() = default;
+    B(B const&) = delete;
+    B& operator=(B const&) = delete;
+
+  private:
+    int x;
+};
+
+void
+do_default_deleted()
+{
+    B b1;
+    assert(5 == b1.getX());
+    assert(std::is_copy_constructible<A>::value);
+    assert(!std::is_copy_constructible<B>::value);
+}
+
+// smart pointers
+
+class C
+{
+  public:
+    C(int id = 0) :
+        id(id)
+    {
+        incr(id);
+    }
+    ~C()
+    {
+        decr(id);
+    }
+    C(C const& rhs) :
+        C(rhs.id)
+    {
+    }
+    C&
+    operator=(C const& rhs)
+    {
+        if (&rhs != this) {
+            decr(id);
+            id = rhs.id;
+            incr(id);
+        }
+        return *this;
+    }
+    static void
+    check(size_t size, int v, int count)
+    {
+        assert(m.size() == size);
+        auto p = m.find(v);
+        if (p != m.end()) {
+            assert(p->second == count);
+        }
+    }
+
+  private:
+    void
+    incr(int i)
+    {
+        ++mi;
+    }
+    void
+    decr(int i)
+    {
+        if (--mi == 0) {
+            m.erase(i);
+        }
+    }
+
+    static std::map<int, int> m;
+    int id;
+};
+
+std::map<int, int> C::m;
+
+std::shared_ptr<C>
+make_c(int id)
+{
+    return std::make_shared<C>(id);
+}
+
+std::shared_ptr<C>
+make_c_array(std::vector<int> const& is)
+{
+    auto p = std::shared_ptr<C>(new Cis.size(), std::default_delete<C>());
+    C* pp = p.get();
+    for (size_t i = 0; i < is.size(); ++i) {
+        ppi = C(is.at(i));
+    }
+    return p;
+}
+
+void
+do_smart_pointers()
+{
+    auto p1 = make_c(1);
+    C::check(1, 1, 1);
+    auto p2 = make_c_array({2, 3, 4, 5});
+    for (auto i: {1, 2, 3, 4, 5}) {
+        C::check(5, i, 1);
+    }
+    {
+        C::check(5, 1, 1);
+        C c3(*p1);
+        C::check(5, 1, 2);
+    }
+    C::check(5, 1, 1);
+    p1 = nullptr;
+    C::check(4, 1, 0);
+    p2 = nullptr;
+    C::check(0, 0, 0);
+    {
+        std::unique_ptr<C> p3(new C(6));
+        C::check(1, 6, 1);
+    }
+    C::check(0, 0, 0);
+}
+
+// Regular expressions
+
+void
+do_regex()
+{
+    // Basic match/search. Match matches whole string; search searches
+    // within string. Use std::smatch for matching std::string and
+    // std::cmatch for matching char const*.
+
+    std::regex expr1("(0-9+)");
+    std::regex expr2("(0-9+)\\s*(a-z+):space:*(0-9+)");
+    std::string str1("one 234 fifth 678 nine");
+    std::string str2("234 five 678 nine");
+    std::string str3("one 234 five 678");
+    std::string str4("234");
+    std::string str5("234 five 678");
+    std::smatch match1;
+    assert(!std::regex_match(str1, match1, expr1));
+    assert(!std::regex_match(str2, match1, expr1));
+    assert(!std::regex_match(str3, match1, expr1));
+    assert(std::regex_match(str4, match1, expr1));
+    assert(match10.first == match11.first);
+    assert(match10.second == match11.second);
+    std::string s;
+    s.assign(match11.first, match11.second);
+    assert("234" == s);
+    assert(s == match11.str());
+    assert(std::regex_match(str5, match1, expr2));
+    assert("234 five 678" == match10.str());
+    assert("234" == match11.str());
+    assert("five" == match12.str());
+    assert("678" == match13.str());
+    assert(std::regex_search(str1, match1, expr2));
+    assert("234 fifth 678" == match10.str());
+    assert("234" == match11.str());
+    assert("fifth" == match12.str());
+    assert("678" == match13.str());
+
+    // Iterator
+    std::regex expr3(":digit:+");
+    std::string str6 = "asdf234erasdf9453.kgdl423asdf";
+    std::sregex_iterator m1(str6.begin(), str6.end(), expr3);
+    std::sregex_iterator m2;
+    s.clear();
+    for (std::sregex_iterator iter = m1; iter != m2; ++iter) {
+        std::smatch const& match2 = *iter;
+        s += match20.str() + "|";
+    }
+    assert("234|9453|423|" == s);
+
+    // Submatches
+    std::regex expr4("(?:(asdf)|(qwer))");
+    char const* str7 = "0asdf1qwer2";
+    std::cregex_iterator m3(str7, str7 + std::strlen(str7), expr4);
+    assert("asdf" == (*m3)0.str());
+    assert((*m3)1.matched);
+    assert(!(*m3)2.matched);
+    ++m3;
+    assert("qwer" == (*m3)0.str());
+    assert(!(*m3)1.matched);
+    assert((*m3)2.matched);
+}
+
+static long operator""_x(char const* v)
+{
+    return strtol(v, nullptr, 16);
+}
+
+static std::string operator""_y(char const* v, size_t len)
+{
+    return "y" + std::string(v, len) + "y";
+}
+
+void
+do_user_defined_literals()
+{
+    assert(10_x == 16);         // operator""_x("10")
+    assert("abc"_y == "yabcy"); // operator""_y("abc", 3)
+    // Raw literals. Optional matching label before and after ()
+    // allows embedding something that looks like the default end
+    // delimiter in the string.
+    assert(R"(abc)"_y == "yabcy");
+
+    // This construct does not work in MSVC as of version 2019.
+    // assert(R"x(a)"bc)x"_y == "ya)\"bcy");
+}
+
+int
+main()
+{
+    do_functional();
+    do_inttypes();
+    do_iteration();
+    do_variadic();
+    do_default_deleted();
+    do_smart_pointers();
+    do_regex();
+    do_user_defined_literals();
+    std::cout << "assertions passed\n";
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/dct_compress.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/dct_compress.cc Changed

@@ -2,12 +2,13 @@
 #include <qpdf/Pl_StdioFile.hh>
 #include <qpdf/QUtil.hh>
 
-#include <stdio.h>
-#include <string.h>
 #include <iostream>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
-static void usage()
+static void
+usage()
 {
     std::cerr << "Usage: dct_compress infile outfile width height"
               << " {rgb|cmyk|gray}" << std::endl;
@@ -21,48 +22,46 @@
         called(false)
     {
     }
-    virtual ~Callback()
-    {
-    }
+    virtual ~Callback() = default;
     virtual void apply(jpeg_compress_struct*);
     bool called;
 };
 
-void Callback::apply(jpeg_compress_struct*)
+void
+Callback::apply(jpeg_compress_struct*)
 {
     this->called = true;
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if (argc != 6)
-    {
+    if (argc != 6) {
         usage();
     }
 
     char* infilename = argv1;
     char* outfilename = argv2;
-    int width = QUtil::string_to_int(argv3);
-    int height = QUtil::string_to_int(argv4);
+    JDIMENSION width = QUtil::string_to_uint(argv3);
+    JDIMENSION height = QUtil::string_to_uint(argv4);
     char* colorspace = argv5;
     J_COLOR_SPACE cs =
-        ((strcmp(colorspace, "rgb") == 0) ? JCS_RGB :
-         (strcmp(colorspace, "cmyk") == 0) ? JCS_CMYK :
-         (strcmp(colorspace, "gray") == 0) ? JCS_GRAYSCALE :
-         JCS_UNKNOWN);
+        ((strcmp(colorspace, "rgb") == 0)        ? JCS_RGB
+             : (strcmp(colorspace, "cmyk") == 0) ? JCS_CMYK
+             : (strcmp(colorspace, "gray") == 0) ? JCS_GRAYSCALE
+                                                 : JCS_UNKNOWN);
     int components = 0;
-    switch (cs)
-    {
-      case JCS_RGB:
+    switch (cs) {
+    case JCS_RGB:
         components = 3;
         break;
-      case JCS_CMYK:
+    case JCS_CMYK:
         components = 4;
         break;
-      case JCS_GRAYSCALE:
+    case JCS_GRAYSCALE:
         components = 1;
         break;
-      default:
+    default:
         usage();
         break;
     }
@@ -74,21 +73,16 @@
     bool done = false;
     Callback callback;
     Pl_DCT dct("dct", &out, width, height, components, cs, &callback);
-    while (! done)
-    {
-	size_t len = fread(buf, 1, sizeof(buf), infile);
-	if (len <= 0)
-	{
-	    done = true;
-	}
-	else
-	{
-	    dct.write(buf, len);
-	}
+    while (!done) {
+        size_t len = fread(buf, 1, sizeof(buf), infile);
+        if (len <= 0) {
+            done = true;
+        } else {
+            dct.write(buf, len);
+        }
     }
     dct.finish();
-    if (! callback.called)
-    {
+    if (!callback.called) {
         std::cout << "Callback was not called" << std::endl;
     }
     fclose(infile);

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/dct_uncompress.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/dct_uncompress.cc Changed

@@ -2,18 +2,17 @@
 #include <qpdf/Pl_StdioFile.hh>
 #include <qpdf/QUtil.hh>
 
-#include <stdio.h>
-#include <string.h>
 #include <iostream>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if (argc != 3)
-    {
-	std::cerr << "Usage: dct_uncompress infile outfile"
-                  << std::endl;
-	exit(2);
+    if (argc != 3) {
+        std::cerr << "Usage: dct_uncompress infile outfile" << std::endl;
+        exit(2);
     }
 
     char* infilename = argv1;
@@ -25,17 +24,13 @@
     unsigned char buf100;
     bool done = false;
     Pl_DCT dct("dct", &out);
-    while (! done)
-    {
-	size_t len = fread(buf, 1, sizeof(buf), infile);
-	if (len <= 0)
-	{
-	    done = true;
-	}
-	else
-	{
-	    dct.write(buf, len);
-	}
+    while (!done) {
+        size_t len = fread(buf, 1, sizeof(buf), infile);
+        if (len <= 0) {
+            done = true;
+        } else {
+            dct.write(buf, len);
+        }
     }
     dct.finish();
     fclose(infile);

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/flate.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/flate.cc Changed

@@ -1,15 +1,16 @@
 
+#include <qpdf/Pl_Count.hh>
 #include <qpdf/Pl_Flate.hh>
 #include <qpdf/Pl_StdioFile.hh>
-#include <qpdf/Pl_Count.hh>
 #include <qpdf/QUtil.hh>
 
-#include <iostream>
 #include <errno.h>
-#include <string.h>
+#include <iostream>
 #include <stdlib.h>
+#include <string.h>
 
-void run(char const* filename)
+void
+run(char const* filename)
 {
     std::string n1 = std::string(filename) + ".1";
     std::string n2 = std::string(filename) + ".2";
@@ -38,13 +39,12 @@
     FILE* in1 = QUtil::safe_fopen(filename, "rb");
     unsigned char buf1024;
     size_t len;
-    while ((len = fread(buf, 1, sizeof(buf), in1)) > 0)
-    {
-	// Write to the compression pipeline
-	def1->write(buf, len);
+    while ((len = fread(buf, 1, sizeof(buf), in1)) > 0) {
+        // Write to the compression pipeline
+        def1->write(buf, len);
 
-	// Write to the both pipeline
-	def3->write(buf, len);
+        // Write to the both pipeline
+        def3->write(buf, len);
     }
     fclose(in1);
 
@@ -57,7 +57,6 @@
 
     std::cout << "bytes written to o3: " << count3->getCount() << std::endl;
 
-
     delete def3;
     delete inf3;
     delete count3;
@@ -66,9 +65,8 @@
 
     // Now read the compressed data and write to the output uncompress pipeline
     FILE* in2 = QUtil::safe_fopen(n1.c_str(), "rb");
-    while ((len = fread(buf, 1, sizeof(buf), in2)) > 0)
-    {
-	inf2->write(buf, len);
+    while ((len = fread(buf, 1, sizeof(buf), in2)) > 0) {
+        inf2->write(buf, len);
     }
     fclose(in2);
 
@@ -83,22 +81,19 @@
     std::cout << "done" << std::endl;
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if (argc != 2)
-    {
-	std::cerr << "Usage: pipeline filename" << std::endl;
-	exit(2);
+    if (argc != 2) {
+        std::cerr << "Usage: pipeline filename" << std::endl;
+        exit(2);
     }
     char* filename = argv1;
 
-    try
-    {
-	run(filename);
-    }
-    catch (std::exception& e)
-    {
-	std::cout << e.what() << std::endl;
+    try {
+        run(filename);
+    } catch (std::exception& e) {
+        std::cout << e.what() << std::endl;
     }
     return 0;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/hex.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/hex.cc Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/input_source.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/input_source.cc Changed

@@ -1,17 +1,16 @@
-#include <iostream>
-#include <qpdf/BufferInputSource.hh>
-#include <qpdf/PointerHolder.hh>
 #include <qpdf/Buffer.hh>
+#include <qpdf/BufferInputSource.hh>
 #include <qpdf/QPDFTokenizer.hh>
+#include <cstring>
+#include <iostream>
 
-static PointerHolder<Buffer>
+static std::shared_ptr<Buffer>
 get_buffer()
 {
     size_t size = 3172;
-    PointerHolder<Buffer> b(new Buffer(size));
+    std::shared_ptr<Buffer> b(new Buffer(size));
     unsigned char* p = b->getBuffer();
-    for (size_t i = 0; i < size; ++i)
-    {
+    for (size_t i = 0; i < size; ++i) {
         pi = static_cast<unsigned char>(i & 0xff);
     }
     return b;
@@ -20,18 +19,16 @@
 class Finder: public InputSource::Finder
 {
   public:
-    Finder(PointerHolder<InputSource> is, std::string const& after) :
+    Finder(std::shared_ptr<InputSource> is, std::string const& after) :
         is(is),
         after(after)
     {
     }
-    virtual ~Finder()
-    {
-    }
+    virtual ~Finder() = default;
     virtual bool check();
 
   private:
-    PointerHolder<InputSource> is;
+    std::shared_ptr<InputSource> is;
     std::string after;
 };
 
@@ -40,69 +37,73 @@
 {
     QPDFTokenizer tokenizer;
     QPDFTokenizer::Token t = tokenizer.readToken(is, "finder", true);
-    if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "potato"))
-    {
+    if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "potato")) {
         t = tokenizer.readToken(is, "finder", true);
         return (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, after));
     }
     return false;
 }
 
-void check(char const* description, bool expected, bool actual)
+void
+check(char const* description, bool expected, bool actual)
 {
-    std::cout << description << ": "
-              << ((actual == expected) ? "PASS" : "FAIL")
+    std::cout << description << ": " << ((actual == expected) ? "PASS" : "FAIL")
               << std::endl;
 }
 
-int main()
+int
+main()
 {
-    PointerHolder<Buffer> b1 = get_buffer();
+    std::shared_ptr<Buffer> b1 = get_buffer();
     unsigned char* b = b1->getBuffer();
     // Straddle block boundaries
     memcpy(b + 1022, "potato", 6);
     // Overlap so that the first check() would advance past the start
     // of the next match
     memcpy(b + 2037, "potato potato salad ", 20);
-    PointerHolder<InputSource> is =
-        new BufferInputSource("test buffer input source", b1.getPointer());
+    auto is = std::shared_ptr<InputSource>(
+        new BufferInputSource("test buffer input source", b1.get()));
     Finder f1(is, "salad");
-    check("find potato salad", true,
-          is->findFirst("potato", 0, 0, f1));
-    check("barely find potato salad", true,
-          is->findFirst("potato", 1100, 945, f1));
-    check("barely find potato salad", true,
-          is->findFirst("potato", 2000, 45, f1));
-    check("potato salad is too late", false,
-          is->findFirst("potato", 1100, 944, f1));
-    check("potato salad is too late", false,
-          is->findFirst("potato", 2000, 44, f1));
-    check("potato salad not found", false,
-          is->findFirst("potato", 2045, 0, f1));
-    check("potato salad not found", false,
-          is->findFirst("potato", 0, 1, f1));
+    check("find potato salad", true, is->findFirst("potato", 0, 0, f1));
+    check(
+        "barely find potato salad",
+        true,
+        is->findFirst("potato", 1100, 945, f1));
+    check(
+        "barely find potato salad",
+        true,
+        is->findFirst("potato", 2000, 45, f1));
+    check(
+        "potato salad is too late",
+        false,
+        is->findFirst("potato", 1100, 944, f1));
+    check(
+        "potato salad is too late",
+        false,
+        is->findFirst("potato", 2000, 44, f1));
+    check(
+        "potato salad not found", false, is->findFirst("potato", 2045, 0, f1));
+    check("potato salad not found", false, is->findFirst("potato", 0, 1, f1));
 
     // Put one more right at EOF
     memcpy(b + b1->getSize() - 12, "potato salad", 12);
-    check("potato salad at EOF", true,
-          is->findFirst("potato", 3000, 0, f1));
+    check("potato salad at EOF", true, is->findFirst("potato", 3000, 0, f1));
 
     is->findFirst("potato", 0, 0, f1);
-    check("findFirst found first", true,
-          is->tell() == 2056);
-    check("findLast found potato salad", true,
-          is->findLast("potato", 0, 0, f1));
-    check("findLast found at EOF", true,
-          is->tell() == 3172);
+    check("findFirst found first", true, is->tell() == 2056);
+    check(
+        "findLast found potato salad", true, is->findLast("potato", 0, 0, f1));
+    check("findLast found at EOF", true, is->tell() == 3172);
 
     // Make check() bump into EOF
     memcpy(b + b1->getSize() - 6, "potato", 6);
-    check("potato but not salad salad at EOF", false,
-          is->findFirst("potato", 3000, 0, f1));
-    check("findLast found potato salad", true,
-          is->findLast("potato", 0, 0, f1));
-    check("findLast found first one", true,
-          is->tell() == 2056);
+    check(
+        "potato but not salad salad at EOF",
+        false,
+        is->findFirst("potato", 3000, 0, f1));
+    check(
+        "findLast found potato salad", true, is->findLast("potato", 0, 0, f1));
+    check("findLast found first one", true, is->tell() == 2056);
 
     return 0;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/json.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/json.cc Changed

@@ -1,44 +1,75 @@
+#include <qpdf/assert_test.h>
+
 #include <qpdf/JSON.hh>
+#include <qpdf/Pipeline.hh>
+#include <qpdf/QPDF.hh>
 #include <qpdf/QPDFObjectHandle.hh>
 #include <iostream>
-#include <assert.h>
 
-static void check(JSON const& j, std::string const& exp)
+static void
+check(JSON const& j, std::string const& exp)
 {
-    if (exp != j.unparse())
-    {
+    if (exp != j.unparse()) {
         std::cout << "Got " << j.unparse() << "; wanted " << exp << "\n";
     }
 }
 
-static void test_main()
+static void
+test_main()
 {
     JSON jstr = JSON::makeString(
         "<1>\xcf\x80<2>\xf0\x9f\xa5\x94\\\"<3>\x03\t\b\r\n<4>");
-    check(jstr,
-          "\"<1>\xcf\x80<2>\xf0\x9f\xa5\x94\\\\\\\"<3>"
-          "\\u0003\\t\\b\\r\\n<4>\"");
+    check(
+        jstr,
+        "\"<1>\xcf\x80<2>\xf0\x9f\xa5\x94\\\\\\\"<3>"
+        "\\u0003\\t\\b\\r\\n<4>\"");
     JSON jnull = JSON::makeNull();
     check(jnull, "null");
+    assert(jnull.isNull());
+    std::string value;
+    assert(!jnull.getNumber(value));
     JSON jarr = JSON::makeArray();
     check(jarr, "");
     JSON jstr2 = JSON::makeString("a\tb");
+    assert(jstr2.getString(value));
+    assert(value == "a\tb");
+    assert(!jstr2.getNumber(value));
+    /* cSpell: ignore jbool xavalue dvalue xdvalue */
     JSON jint = JSON::makeInt(16059);
     JSON jdouble = JSON::makeReal(3.14159);
     JSON jexp = JSON::makeNumber("2.1e5");
+    JSON jbool1 = JSON::makeBool(true);
+    JSON jbool2 = JSON::makeBool(false);
+    bool bvalue = false;
+    assert(jbool1.getBool(bvalue));
+    assert(bvalue);
+    assert(jbool2.getBool(bvalue));
+    assert(!bvalue);
     jarr.addArrayElement(jstr2);
     jarr.addArrayElement(jnull);
     jarr.addArrayElement(jint);
     jarr.addArrayElement(jdouble);
     jarr.addArrayElement(jexp);
-    check(jarr,
-          "\n"
-          "  \"a\\tb\",\n"
-          "  null,\n"
-          "  16059,\n"
-          "  3.141590,\n"
-          "  2.1e5\n"
-          "");
+    check(
+        jarr,
+        "\n"
+        "  \"a\\tb\",\n"
+        "  null,\n"
+        "  16059,\n"
+        "  3.14159,\n"
+        "  2.1e5\n"
+        "");
+    std::vector<std::string> avalue;
+    assert(jarr.forEachArrayItem(
+        &avalue(JSON j) { avalue.push_back(j.unparse()); }));
+    std::vector<std::string> xavalue = {
+        "\"a\\tb\"",
+        "null",
+        "16059",
+        "3.14159",
+        "2.1e5",
+    };
+    assert(avalue == xavalue);
     JSON jmap = JSON::makeDictionary();
     check(jmap, "{}");
     jmap.addDictionaryMember("b", jstr2);
@@ -48,111 +79,221 @@
     jmap.addDictionaryMember("no", JSON::makeBool(true));
     jmap.addDictionaryMember("empty_dict", JSON::makeDictionary());
     jmap.addDictionaryMember("empty_list", JSON::makeArray());
-    jmap.addDictionaryMember("single", JSON::makeArray()).
-        addArrayElement(JSON::makeInt(12));
-    check(jmap,
-          "{\n"
-          "  \"a\": \n"
-          "    \"a\\tb\",\n"
-          "    null,\n"
-          "    16059,\n"
-          "    3.141590,\n"
-          "    2.1e5\n"
-          "  ,\n"
-          "  \"b\": \"a\\tb\",\n"
-          "  \"c\\r\\nd\": null,\n"
-          "  \"empty_dict\": {},\n"
-          "  \"empty_list\": ,\n"
-          "  \"no\": true,\n"
-          "  \"single\": \n"
-          "    12\n"
-          "  ,\n"
-          "  \"yes\": false\n"
-          "}");
-    check(QPDFObjectHandle::newReal("0.12").getJSON(), "0.12");
-    check(QPDFObjectHandle::newReal(".34").getJSON(), "0.34");
-    check(QPDFObjectHandle::newReal("-0.56").getJSON(), "-0.56");
-    check(QPDFObjectHandle::newReal("-.78").getJSON(), "-0.78");
+    jmap.addDictionaryMember("single", JSON::makeArray())
+        .addArrayElement(JSON::makeInt(12));
+    check(
+        jmap,
+        "{\n"
+        "  \"a\": \n"
+        "    \"a\\tb\",\n"
+        "    null,\n"
+        "    16059,\n"
+        "    3.14159,\n"
+        "    2.1e5\n"
+        "  ,\n"
+        "  \"b\": \"a\\tb\",\n"
+        "  \"c\\r\\nd\": null,\n"
+        "  \"empty_dict\": {},\n"
+        "  \"empty_list\": ,\n"
+        "  \"no\": true,\n"
+        "  \"single\": \n"
+        "    12\n"
+        "  ,\n"
+        "  \"yes\": false\n"
+        "}");
+    for (int i = 1; i <= JSON::LATEST; ++i) {
+        check(QPDFObjectHandle::newReal("0.12").getJSON(i), "0.12");
+        check(QPDFObjectHandle::newReal(".34").getJSON(i), "0.34");
+        check(QPDFObjectHandle::newReal("-0.56").getJSON(i), "-0.56");
+        check(QPDFObjectHandle::newReal("-.78").getJSON(i), "-0.78");
+    }
+    JSON jmap2 = JSON::parse(R"({"a": 1, "b": "two", "c": true})");
+    std::map<std::string, std::string> dvalue;
+    assert(jmap2.forEachDictItem(
+        &dvalue(std::string const& k, JSON j) { dvaluek = j.unparse(); }));
+    std::map<std::string, std::string> xdvalue = {
+        {"a", "1"},
+        {"b", "\"two\""},
+        {"c", "\n  true\n"},
+    };
+    assert(dvalue == xdvalue);
+    auto blob_data = (Pipeline* p) {
+        *p << "\x01\x02\x03\x04\x05\xff\xfe\xfd\xfc\xfb";
+    };
+    JSON jblob = JSON::makeDictionary();
+    jblob.addDictionaryMember("normal", JSON::parse(R"("string")"));
+    jblob.addDictionaryMember("blob", JSON::makeBlob(blob_data));
+    // cSpell:ignore AQIDBAX
+    check(
+        jblob,
+        "{\n"
+        "  \"blob\": \"AQIDBAX//v38+w==\",\n"
+        "  \"normal\": \"string\"\n"
+        "}");
 }
 
-static void check_schema(JSON& obj, JSON& schema, bool exp,
-                         std::string const& description)
+static void
+check_schema(
+    JSON& obj,
+    JSON& schema,
+    unsigned long flags,
+    bool exp,
+    std::string const& description)
 {
     std::list<std::string> errors;
     std::cout << "--- " << description << std::endl;
-    assert(exp == obj.checkSchema(schema, errors));
-    for (std::list<std::string>::iterator iter = errors.begin();
-         iter != errors.end(); ++iter)
-    {
-        std::cout << *iter << std::endl;
+    assert(exp == obj.checkSchema(schema, flags, errors));
+    for (auto const& error: errors) {
+        std::cout << error << std::endl;
     }
     std::cout << "---" << std::endl;
 }
 
-static void test_schema()
+static void
+test_schema()
 {
-    // Since we don't have a JSON parser, use the PDF parser as a
-    // shortcut for creating a complex JSON structure.
-    JSON schema = QPDFObjectHandle::parse(
-        "<<"
-        "  /one <<"
-        "    /a <<"
-        "      /q (queue)"
-        "      /r <<"
-        "        /x (ecks)"
-        "        /y (why)"
-        "      >>"
-        "      /s  (esses) "
-        "    >>"
-        "  >>"
-        "  /two "
-        "    <<"
-        "      /goose (gander)"
-        "      /glarp (enspliel)"
-        "    >>"
-        "  "
-        ">>").getJSON();
-    JSON a = QPDFObjectHandle::parse("(not a) (dictionary)").getJSON();
-    check_schema(a, schema, false, "top-level type mismatch");
-    JSON b = QPDFObjectHandle::parse(
-        "<<"
-        "  /one <<"
-        "    /a <<"
-        "      /t (oops)"
-        "      /r "
-        "        /x (ecks)"
-        "        /y (why)"
-        "      "
-        "      /s << /z (esses) >>"
-        "    >>"
-        "  >>"
-        "  /two "
-        "    <<"
-        "      /goose (0 gander)"
-        "      /glarp (0 enspliel)"
-        "    >>"
-        "    <<"
-        "      /goose (1 gander)"
-        "      /flarp (1 enspliel)"
-        "    >>"
-        "    2"
-        "     (three) "
-        "    <<"
-        "      /goose (4 gander)"
-        "      /glarp (4 enspliel)"
-        "    >>"
-        "  "
-        ">>").getJSON();
-    check_schema(b, schema, false, "top-level type mismatch");
-    check_schema(a, a, false, "top-level schema array error");
-    check_schema(b, b, false, "lower-level schema array error");
-    check_schema(schema, schema, true, "pass");
+    /* cSpell: ignore ptional ebra */
+    JSON schema = JSON::parse(R"(
+{
+  "one": {
+    "a": {
+      "q": "queue",
+      "r": {
+        "x": "ecks"
+      },
+      "s": 
+        {
+          "ss": "esses"
+        }
+      
+    }
+  },
+  "two": 
+    {
+      "goose": "gander",
+      "glarp": "enspliel"
+    }
+  ,
+  "three": {
+    "<objid>": {
+      "z": "ebra",
+      "o": "ptional"
+    }
+  },
+  "four": 
+    { "first": "first element" },
+    { "second": "second element" }
+  
+}
+)");
+
+    JSON a = JSON::parse(R"("not a", "dictionary")");
+    check_schema(a, schema, 0, false, "top-level type mismatch");
+    JSON b = JSON::parse(R"(
+{
+  "one": {
+    "a": {
+      "t": "oops",
+      "r": 
+        "x",
+        "ecks",
+        "y",
+        "why"
+      ,
+      "s": {
+        "z": "esses"
+      }
+    }
+  },
+  "two": 
+    {
+      "goose": "0 gander",
+      "glarp": "0 enspliel"
+    },
+    {
+      "goose": "1 gander",
+      "flarp": "1 enspliel"
+    },
+    2,
+    
+      "three"
+    ,
+    {
+      "goose": "4 gander",
+      "glarp": 4
+    }
+  ,
+  "three": {
+    "anything": {
+      "x": "oops",
+      "o": "okay"
+    },
+    "else": {
+      "z": "okay"
+    }
+  },
+  "four": 
+    {"first": "missing second"}
+  
+}
+)");
+
+    check_schema(b, schema, 0, false, "missing items");
+
+    JSON bad_schema = JSON::parse(R"({"a": true, "b": "potato?"})");
+    check_schema(bad_schema, bad_schema, 0, false, "bad schema field type");
+
+    JSON c = JSON::parse(R"(
+{
+  "four": 
+    { "first": 1 },
+    { "oops": 2 }
+  
+}
+)");
+    check_schema(c, schema, JSON::f_optional, false, "array element mismatch");
+
+    // "two" exercises the case of the JSON containing a single
+    // element where the schema has an array.
+    JSON good = JSON::parse(R"(
+{
+  "one": {
+    "a": {
+      "q": "potato",
+      "r": {
+        "x": 1, null
+      },
+      "s": 
+        {"ss": null},
+        {"ss": "anything"}
+      
+    }
+  },
+  "two": {
+    "glarp": "enspliel",
+    "goose": 3.14
+  },
+  "three": {
+    "<objid>": {
+      "z": "ebra"
+    }
+  },
+  "four": 
+    { "first": 1 },
+    { "second": 2 }
+  
+}
+)");
+    check_schema(good, schema, 0, false, "not optional");
+    check_schema(good, schema, JSON::f_optional, true, "pass");
 }
 
-int main()
+int
+main()
 {
     test_main();
     test_schema();
+    assert(QPDF::test_json_validators());
 
     std::cout << "end of json tests\n";
     return 0;

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/json_handler.cc Added

@@ -0,0 +1,144 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/JSONHandler.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QUtil.hh>
+#include <iostream>
+
+static void
+print_null(std::string const& path)
+{
+    std::cout << path << ": null" << std::endl;
+}
+
+static void
+print_string(std::string const& path, std::string const& value)
+{
+    std::cout << path << ": string: " << value << std::endl;
+}
+
+static void
+print_number(std::string const& path, std::string const& value)
+{
+    std::cout << path << ": number: " << value << std::endl;
+}
+
+static void
+print_bool(std::string const& path, bool value)
+{
+    std::cout << path << ": bool: " << (value ? "true" : "false") << std::endl;
+}
+
+static void
+print_json(std::string const& path, JSON value)
+{
+    std::cout << path << ": json: " << value.unparse() << std::endl;
+}
+
+static JSONHandler::void_handler_t
+make_print_message(std::string msg)
+{
+    return msg(std::string const& path) {
+        std::cout << path << ": json: " << msg << std::endl;
+    };
+}
+
+static void
+test_scalar()
+{
+    std::cout << "-- scalar --" << std::endl;
+    JSONHandler h;
+    h.addStringHandler(print_string);
+    JSON j = JSON::parse("\"potato\"");
+    h.handle(".", j);
+}
+
+static std::shared_ptr<JSONHandler>
+make_all_handler()
+{
+    auto h = std::make_shared<JSONHandler>();
+    h->addDictHandlers(print_json, make_print_message("dict end"));
+    auto h1 = std::make_shared<JSONHandler>();
+    h1->addStringHandler(print_string);
+    h->addDictKeyHandler("one", h1);
+    auto h2 = std::make_shared<JSONHandler>();
+    h2->addNumberHandler(print_number);
+    h->addDictKeyHandler("two", h2);
+    auto h3 = std::make_shared<JSONHandler>();
+    h3->addBoolHandler(print_bool);
+    h->addDictKeyHandler("three", h3);
+    auto h4 = std::make_shared<JSONHandler>();
+    h4->addAnyHandler(print_json);
+    h->addDictKeyHandler("four", h4);
+    h->addDictKeyHandler("phour", h4); // share h4
+    auto h5 = std::make_shared<JSONHandler>();
+    // Allow to be either string or bool
+    h5->addBoolHandler(print_bool);
+    h5->addStringHandler(print_string);
+    h5->addNullHandler(print_null);
+    auto h5s = std::make_shared<JSONHandler>();
+    h->addDictKeyHandler("five", h5s);
+    h5s->addArrayHandlers(print_json, make_print_message("array end"), h5);
+    auto h6 = std::make_shared<JSONHandler>();
+    h6->addDictHandlers(print_json, make_print_message("dict end"));
+    auto h6a = std::make_shared<JSONHandler>();
+    h6->addDictKeyHandler("a", h6a);
+    h6a->addDictHandlers(print_json, make_print_message("dict end"));
+    auto h6ab = std::make_shared<JSONHandler>();
+    h6a->addDictKeyHandler("b", h6ab);
+    auto h6ax = std::make_shared<JSONHandler>();
+    h6ax->addAnyHandler(print_json);
+    h6a->addFallbackDictHandler(h6ax);
+    h6->addDictKeyHandler("b", h6ab); // share
+    h6ab->addStringHandler(print_string);
+    h->addDictKeyHandler("six", h6);
+    return h;
+}
+
+static void
+test_all()
+{
+    std::cout << "-- all --" << std::endl;
+    auto h = make_all_handler();
+    /* cSpell: ignore phour */
+    JSON j = JSON::parse(R"({
+   "one": "potato",
+   "two": 3.14,
+   "three": true,
+   "four": "a", 1,
+   "five": "x", false, "y", null, true,
+   "phour": null,
+   "six": {"a": {"b": "quack", "Q": "baaa"}, "b": "moo"}
+})");
+    h->handle(".", j);
+}
+
+static void
+test_errors()
+{
+    std::cout << "-- errors --" << std::endl;
+    auto h = make_all_handler();
+    auto t = h(std::string const& msg, std::function<void()> fn) {
+        try {
+            fn();
+            assert(false);
+        } catch (QPDFUsage& e) {
+            std::cout << msg << ": " << e.what() << std::endl;
+        }
+    };
+
+    t("bad type at top", &h() { h->handle(".", JSON::makeString("oops")); });
+    t("unexpected key", &h() {
+        JSON j = JSON::parse(R"({"x": "y"})");
+        h->handle(".", j);
+    });
+}
+
+int
+main(int argc, char* argv)
+{
+    test_scalar();
+    test_all();
+    test_errors();
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/json_parse.cc Added

@@ -0,0 +1,114 @@
+#include <qpdf/FileInputSource.hh>
+#include <qpdf/JSON.hh>
+#include <qpdf/QUtil.hh>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <memory>
+
+namespace
+{
+    class Reactor: public JSON::Reactor
+    {
+      public:
+        virtual ~Reactor() = default;
+        virtual void dictionaryStart() override;
+        virtual void arrayStart() override;
+        virtual void containerEnd(JSON const& value) override;
+        virtual void topLevelScalar() override;
+        virtual bool
+        dictionaryItem(std::string const& key, JSON const& value) override;
+        virtual bool arrayItem(JSON const& value) override;
+
+      private:
+        void printItem(JSON const&);
+    };
+} // namespace
+
+void
+Reactor::dictionaryStart()
+{
+    std::cout << "dictionary start" << std::endl;
+}
+
+void
+Reactor::arrayStart()
+{
+    std::cout << "array start" << std::endl;
+}
+
+void
+Reactor::containerEnd(JSON const& value)
+{
+    std::cout << "container end: ";
+    printItem(value);
+}
+
+void
+Reactor::topLevelScalar()
+{
+    std::cout << "top-level scalar" << std::endl;
+}
+
+bool
+Reactor::dictionaryItem(std::string const& key, JSON const& value)
+{
+    std::cout << "dictionary item: " << key << " -> ";
+    printItem(value);
+    if (key == "keep") {
+        return false;
+    }
+    return true;
+}
+
+bool
+Reactor::arrayItem(JSON const& value)
+{
+    std::cout << "array item: ";
+    printItem(value);
+    std::string n;
+    if (value.getString(n) && n == "keep") {
+        return false;
+    }
+    return true;
+}
+
+void
+Reactor::printItem(JSON const& j)
+{
+    std::cout << "" << j.getStart() << ", " << j.getEnd()
+              << "): " << j.unparse() << std::endl;
+}
+
+static void
+usage()
+{
+    std::cerr << "Usage: json_parse file --react" << std::endl;
+    exit(2);
+}
+
+int
+main(int argc, char* argv)
+{
+    if ((argc < 2) || (argc > 3)) {
+        usage();
+        return 2;
+    }
+    char const* filename = argv1;
+    std::shared_ptr<Reactor> reactor;
+    if (argc == 3) {
+        if (strcmp(argv2, "--react") == 0) {
+            reactor = std::make_shared<Reactor>();
+        } else {
+            usage();
+        }
+    }
+    try {
+        FileInputSource is(filename);
+        std::cout << JSON::parse(is, reactor.get()).unparse() << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << "exception: " << filename << ": " << e.what() << std::endl;
+        return 2;
+    }
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/libtests.testcov -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/libtests.testcov Changed

@@ -36,6 +36,60 @@
 Pl_TIFFPredictor processRow 1
 JSON wanted dictionary 0
 JSON key missing in object 0
-JSON wanted array 0
-JSON schema array error 0
 JSON key extra in object 0
+QPDFArgParser read args from stdin 0
+QPDFArgParser read args from file 0
+QPDFArgParser required choices 0
+QPDFArgParser required parameter 0
+QPDFArgParser select unregistered table 0
+QPDFArgParser register registered table 0
+QPDFArgParser duplicate handler 0
+QPDFArgParser missing -- 0
+QPDFArgParser single dash 0
+QPDFArgParser help option 0
+QPDFArgParser positional 0
+QPDFArgParser unrecognized 0
+QPDFArgParser complete choices 0
+QPDFArgParser add reserved help topic 0
+QPDFArgParser add existing topic 0
+QPDFArgParser add to unknown topic 0
+QPDFArgParser duplicate option help 0
+QPDFArgParser bad option for help 0
+QPDFArgParser bad topic for help 0
+QPDFArgParser invalid choice handler to unknown 0
+JSON parse junk after object 0
+JSON parse decimal with no digits 0
+JSON parse invalid keyword 0
+JSON parse expected colon 0
+JSON parse expected , or } 0
+JSON parse expected, or  0
+JSON parse string as dict key 0
+JSON parse unexpected } 0
+JSON parse unexpected  0
+JSON parse unexpected : 0
+JSON parse unexpected , 0
+JSON parse premature EOF 0
+JSON parse null character 0
+JSON parse bad character 0
+JSON parse point after e 0
+JSON parse duplicate point 0
+JSON parse duplicate e 0
+JSON parse unexpected sign 0
+JSON parse numeric bad character 0
+JSON parse keyword bad character 0
+JSON parse backslash bad character 0
+JSON parse unterminated string 0
+JSON parse leading zero 0
+JSON parse number no digits 0
+JSON parse premature end of u 0
+JSON parse bad hex after u 0
+JSONHandler unhandled value 0
+JSONHandler unexpected key 0
+JSON schema other type 0
+JSON optional key 0
+JSON 16 high high 0
+JSON 16 low not after high 0
+JSON 16 dangling high 0
+JSON parse duplicate key 0
+JSON schema array for single item 0
+JSON schema array length mismatch 0

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/logger.cc Added

@@ -0,0 +1,109 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/Pl_String.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <stdexcept>
+
+static void
+test1()
+{
+    // Standard behavior
+
+    auto logger = QPDFLogger::defaultLogger();
+
+    logger->info("info to stdout\n");
+    logger->warn("warn to stderr\n");
+    logger->error("error to stderr\n");
+    assert(logger->getSave(true) == nullptr);
+    try {
+        logger->getSave();
+        assert(false);
+    } catch (std::logic_error& e) {
+        *(logger->getInfo()) << "getSave exception: " << e.what() << "\n";
+    }
+    try {
+        logger->saveToStandardOutput(true);
+        assert(false);
+    } catch (std::logic_error& e) {
+        *(logger->getInfo())
+            << "saveToStandardOutput exception: " << e.what() << "\n";
+    }
+    logger->setWarn(logger->discard());
+    logger->warn("warning not seen\n");
+    logger->setWarn(nullptr);
+    logger->warn("restored warning to stderr\n");
+}
+
+static void
+test2()
+{
+    // First call saveToStandardOutput. Then use info, which then to
+    // go stderr.
+    auto l = QPDFLogger::create();
+    l->saveToStandardOutput(true);
+    l->info(std::string("info to stderr\n"));
+    *(l->getSave()) << "save to stdout\n";
+    l->setInfo(nullptr);
+    l->info("info still to stderr\n");
+    l->setSave(nullptr, false);
+    l->setInfo(nullptr);
+    l->info("info back to stdout\n");
+}
+
+static void
+test3()
+{
+    // Error/warning
+    auto l = QPDFLogger::create();
+
+    // Warning follows error when error is set explicitly.
+    std::string errors;
+    auto pl_error = std::make_shared<Pl_String>("errors", nullptr, errors);
+    l->setError(pl_error);
+    l->warn("warn follows error\n");
+    assert(errors == "warn follows error\n");
+    l->error("error too\n");
+    assert(errors == "warn follows error\nerror too\n");
+
+    // Set warnings -- now they're separate
+    std::string warnings;
+    auto pl_warn = std::make_shared<Pl_String>("warnings", nullptr, warnings);
+    l->setWarn(pl_warn);
+    l->warn(std::string("warning now separate\n"));
+    l->error(std::string("new error\n"));
+    assert(warnings == "warning now separate\n");
+    assert(errors == "warn follows error\nerror too\nnew error\n");
+    std::string errors2;
+    pl_error = std::make_shared<Pl_String>("errors", nullptr, errors2);
+    l->setError(pl_error);
+    l->warn("new warning\n");
+    l->error("another new error\n");
+    assert(warnings == "warning now separate\nnew warning\n");
+    assert(errors == "warn follows error\nerror too\nnew error\n");
+    assert(errors2 == "another new error\n");
+
+    // Restore warnings to default -- follows error again
+    l->setWarn(nullptr);
+    l->warn("warning 3\n");
+    l->error("error 3\n");
+    assert(warnings == "warning now separate\nnew warning\n");
+    assert(errors == "warn follows error\nerror too\nnew error\n");
+    assert(errors2 == "another new error\nwarning 3\nerror 3\n");
+
+    // Restore everything to default
+    l->setInfo(nullptr);
+    l->setWarn(nullptr);
+    l->setError(nullptr);
+    l->info("after reset, info to stdout\n");
+    l->warn("after reset, warn to stderr\n");
+    l->error("after reset, error to stderr\n");
+}
+
+int
+main()
+{
+    test1();
+    test2();
+    test3();
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/logger_c.c Added

@@ -0,0 +1,108 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/qpdflogger-c.h>
+
+#include <qpdf/Constants.h>
+#include <qpdf/qpdfjob-c.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static int
+fn(char const* data, size_t len, void* udata)
+{
+    FILE* f = (FILE*)udata;
+    return fwrite(data, 1, len, f) != len;
+}
+
+static void
+do_run(char const* json, int exp_status)
+{
+    int status = qpdfjob_run_from_json(json);
+    assert(status == exp_status);
+}
+
+static FILE*
+do_fopen(char const* filename)
+{
+    FILE* f = NULL;
+#ifdef _MSC_VER
+    if (fopen_s(&f, filename, "wb") != 0) {
+        f = NULL;
+    }
+#else
+    f = fopen(filename, "wb");
+#endif
+    if (f == NULL) {
+        fprintf(stderr, "unable to open %s\n", filename);
+        exit(2);
+    }
+    return f;
+}
+
+int
+main()
+{
+    FILE* info = do_fopen("info");
+    FILE* warn = do_fopen("warn");
+    FILE* error = do_fopen("error");
+    FILE* save = do_fopen("save");
+    FILE* save2 = do_fopen("save2");
+    qpdflogger_handle l = qpdflogger_default_logger();
+
+    qpdflogger_set_info(l, qpdf_log_dest_custom, fn, (void*)info);
+    qpdflogger_set_warn(l, qpdf_log_dest_custom, fn, (void*)warn);
+    qpdflogger_set_error(l, qpdf_log_dest_custom, fn, (void*)error);
+    qpdflogger_set_save(l, qpdf_log_dest_custom, fn, (void*)save, 0);
+
+    do_run(
+        "{\"inputFile\": \"normal.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_success);
+    do_run(
+        "{\"inputFile\": \"warning.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_warning);
+    do_run(
+        "{\"inputFile\": \"missing.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_error);
+    do_run(
+        "{\"inputFile\": \"normal.pdf\","
+        " \"staticId\": \"\","
+        " \"outputFile\": \"-\"}",
+        qpdf_exit_success);
+
+    fclose(info);
+    fclose(warn);
+    fclose(error);
+    fclose(save);
+
+    qpdflogger_set_info(l, qpdf_log_dest_stderr, NULL, NULL);
+    qpdflogger_set_warn(l, qpdf_log_dest_stdout, NULL, NULL);
+    qpdflogger_set_error(l, qpdf_log_dest_default, NULL, NULL);
+    qpdflogger_set_save(l, qpdf_log_dest_custom, fn, (void*)save2, 0);
+
+    do_run(
+        "{\"inputFile\": \"2pages.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_success);
+    do_run(
+        "{\"inputFile\": \"warning.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_warning);
+    do_run(
+
+        "{\"inputFile\": \"missing.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_error);
+    do_run(
+        "{\"inputFile\": \"attach.pdf\","
+        " \"showAttachment\": \"a\"}",
+        qpdf_exit_success);
+
+    /* This won't change save since it's already set */
+    qpdflogger_save_to_standard_output(l, 1);
+    do_run(
+        "{\"inputFile\": \"attach.pdf\","
+        " \"showAttachment\": \"a\"}",
+        qpdf_exit_success);
+
+    qpdflogger_cleanup(&l);
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/lzw.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/lzw.cc Changed

@@ -6,52 +6,44 @@
 #include <stdlib.h>
 #include <string.h>
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     bool early_code_change = true;
-    if ((argc == 4) && (strcmp(argv3, "--no-early-code-change") == 0))
-    {
-	early_code_change = false;
+    if ((argc == 4) && (strcmp(argv3, "--no-early-code-change") == 0)) {
+        early_code_change = false;
     }
 
-    if (argc < 3)
-    {
-	std::cerr << "Usage: lzw infile outfile  --no-early-code-change "
-		  << std::endl;
-	exit(2);
+    if (argc < 3) {
+        std::cerr << "Usage: lzw infile outfile  --no-early-code-change "
+                  << std::endl;
+        exit(2);
     }
 
-    try
-    {
-	char* infilename = argv1;
-	char* outfilename = argv2;
-
-	FILE* infile = QUtil::safe_fopen(infilename, "rb");
-	FILE* outfile = QUtil::safe_fopen(outfilename, "wb");
-
-	Pl_StdioFile out("output", outfile);
-	Pl_LZWDecoder decode("decode", &out, early_code_change);
-
-	unsigned char buf10000;
-	bool done = false;
-	while (! done)
-	{
-	    size_t len = fread(buf, 1, sizeof(buf), infile);
-	    if (len <= 0)
-	    {
-		done = true;
-	    }
-	    else
-	    {
-		decode.write(buf, len);
-	    }
-	}
-	decode.finish();
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    try {
+        char* infilename = argv1;
+        char* outfilename = argv2;
+
+        FILE* infile = QUtil::safe_fopen(infilename, "rb");
+        FILE* outfile = QUtil::safe_fopen(outfilename, "wb");
+
+        Pl_StdioFile out("output", outfile);
+        Pl_LZWDecoder decode("decode", &out, early_code_change);
+
+        unsigned char buf10000;
+        bool done = false;
+        while (!done) {
+            size_t len = fread(buf, 1, sizeof(buf), infile);
+            if (len <= 0) {
+                done = true;
+            } else {
+                decode.write(buf, len);
+            }
+        }
+        decode.finish();
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/main_from_wmain.cc Added

@@ -0,0 +1,57 @@
+#include <qpdf/QUtil.hh>
+#include <iostream>
+
+#ifndef QPDF_NO_WCHAR_T
+void
+wmain_test()
+{
+    // writable args and function args
+    auto realmain = (int argc, char* argv) {
+        for (int i = 0; i < argc; ++i) {
+            std::cout << argvi << std::endl;
+        }
+        return 0;
+    };
+    wchar_t* argv3;
+    // This works because call_main_from_wmain doesn't actually write
+    // to the arguments and neither does our function. Otherwise, this
+    // cast would be unsafe.
+    argv0 = const_cast<wchar_t*>(L"ascii");
+    argv1 = const_cast<wchar_t*>(L"10 \xf7 2 = 5");
+    argv2 = const_cast<wchar_t*>(L"qwww\xf7\x03c0");
+    QUtil::call_main_from_wmain(3, argv, realmain);
+}
+
+void
+cwmain_test()
+{
+    // const args and function args
+    auto realmain = (int argc, char const* const argv) {
+        for (int i = 0; i < argc; ++i) {
+            std::cout << "const " << argvi << std::endl;
+        }
+        return 0;
+    };
+    wchar_t const* argv3 = {
+        L"ascii",
+        L"10 \xf7 2 = 5",
+        L"qwww\xf7\x03c0",
+    };
+    QUtil::call_main_from_wmain(3, argv, realmain);
+}
+#endif // QPDF_NO_WCHAR_T
+
+int
+main(int argc, char* argv)
+{
+#ifndef QPDF_NO_WCHAR_T
+    try {
+        wmain_test();
+        cwmain_test();
+    } catch (std::exception& e) {
+        std::cout << "unexpected exception: " << e.what() << std::endl;
+    }
+#endif // QPDF_NO_WCHAR_T
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/matrix.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/matrix.cc Changed

@@ -1,89 +1,98 @@
+#include <qpdf/assert_test.h>
+
 #include <qpdf/QPDFMatrix.hh>
 #include <qpdf/QUtil.hh>
-#include <assert.h>
 #include <iostream>
 
-static void check(QPDFMatrix const& m, std::string const& exp)
+static void
+check(QPDFMatrix const& m, std::string const& exp)
 {
     std::string u = m.unparse();
-    if (u != exp)
-    {
+    if (u != exp) {
         std::cout << "got " << u << ", wanted " << exp << std::endl;
     }
 }
 
-static void check_xy(double x, double y, std::string const& exp)
+static void
+check_xy(double x, double y, std::string const& exp)
 {
-    std::string u = (QUtil::double_to_string(x, 2) + " " +
-                     QUtil::double_to_string(y, 2));
-    if (u != exp)
-    {
+    std::string u =
+        (QUtil::double_to_string(x, 2) + " " + QUtil::double_to_string(y, 2));
+    if (u != exp) {
         std::cout << "got " << u << ", wanted " << exp << std::endl;
     }
 }
 
-static void check_rect(QPDFObjectHandle::Rectangle const& r,
-                       double llx, double lly, double urx, double ury)
+static void
+check_rect(
+    QPDFObjectHandle::Rectangle const& r,
+    double llx,
+    double lly,
+    double urx,
+    double ury)
 {
-    std::string actual = (
-        QUtil::double_to_string(r.llx, 2) + " " +
-        QUtil::double_to_string(r.lly, 2) + " " +
-        QUtil::double_to_string(r.urx, 2) + " " +
-        QUtil::double_to_string(r.ury, 2));
-    std::string wanted = (
-        QUtil::double_to_string(llx, 2) + " " +
-        QUtil::double_to_string(lly, 2) + " " +
-        QUtil::double_to_string(urx, 2) + " " +
-        QUtil::double_to_string(ury, 2));
-    if (actual != wanted)
-    {
+    std::string actual =
+        (QUtil::double_to_string(r.llx, 2) + " " +
+         QUtil::double_to_string(r.lly, 2) + " " +
+         QUtil::double_to_string(r.urx, 2) + " " +
+         QUtil::double_to_string(r.ury, 2));
+    std::string wanted =
+        (QUtil::double_to_string(llx, 2) + " " +
+         QUtil::double_to_string(lly, 2) + " " +
+         QUtil::double_to_string(urx, 2) + " " +
+         QUtil::double_to_string(ury, 2));
+    if (actual != wanted) {
         std::cout << "got " << actual << ", wanted " << wanted << std::endl;
     }
 }
 
-int main()
+int
+main()
 {
     QPDFMatrix m;
-    check(m, "1.00000 0.00000 0.00000 1.00000 0.00000 0.00000");
+    check(m, "1 0 0 1 0 0");
     m.translate(10, 20);
-    check(m, "1.00000 0.00000 0.00000 1.00000 10.00000 20.00000");
+    check(m, "1 0 0 1 10 20");
     m.scale(1.5, 2);
-    check(m, "1.50000 0.00000 0.00000 2.00000 10.00000 20.00000");
+    check(m, "1.5 0 0 2 10 20");
     double xp = 0;
     double yp = 0;
     m.transform(10, 100, xp, yp);
-    check_xy(xp, yp, "25.00 220.00");
+    check_xy(xp, yp, "25 220");
     m.translate(30, 40);
-    check(m, "1.50000 0.00000 0.00000 2.00000 55.00000 100.00000");
+    check(m, "1.5 0 0 2 55 100");
     m.transform(10, 100, xp, yp);
-    check_xy(xp, yp, "70.00 300.00");
+    check_xy(xp, yp, "70 300");
     m.concat(QPDFMatrix(1, 2, 3, 4, 5, 6));
-    check(m, "1.50000 4.00000 4.50000 8.00000 62.50000 112.00000");
+    check(m, "1.5 4 4.5 8 62.5 112");
     m.rotatex90(90);
-    check(m, "4.50000 8.00000 -1.50000 -4.00000 62.50000 112.00000");
+    check(m, "4.5 8 -1.5 -4 62.5 112");
     m.rotatex90(180);
-    check(m, "-4.50000 -8.00000 1.50000 4.00000 62.50000 112.00000");
+    check(m, "-4.5 -8 1.5 4 62.5 112");
     m.rotatex90(270);
-    check(m, "-1.50000 -4.00000 -4.50000 -8.00000 62.50000 112.00000");
+    check(m, "-1.5 -4 -4.5 -8 62.5 112");
     m.rotatex90(180);
-    check(m, "1.50000 4.00000 4.50000 8.00000 62.50000 112.00000");
+    check(m, "1.5 4 4.5 8 62.5 112");
     m.rotatex90(12345);
-    check(m, "1.50000 4.00000 4.50000 8.00000 62.50000 112.00000");
+    check(m, "1.5 4 4.5 8 62.5 112");
 
     m.transform(240, 480, xp, yp);
-    check_xy(xp, yp, "2582.50 4912.00");
+    check_xy(xp, yp, "2582.5 4912");
 
-    check(QPDFMatrix(
-              QPDFObjectHandle::parse(
-                  "3 1 4 1 5 9.26535").getArrayAsMatrix()),
-          "3.00000 1.00000 4.00000 1.00000 5.00000 9.26535");
+    check(
+        QPDFMatrix(
+            QPDFObjectHandle::parse("3 1 4 1 5 9.26535").getArrayAsMatrix()),
+        "3 1 4 1 5 9.26535");
 
     m = QPDFMatrix();
     m.rotatex90(90);
     m.translate(200, -100);
     check_rect(
         m.transformRectangle(QPDFObjectHandle::Rectangle(10, 20, 30, 50)),
-        50, 210, 80, 230);
+        50,
+        210,
+        80,
+        230);
 
     std::cout << "matrix tests done" << std::endl;
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/md5.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/md5.cc Changed

@@ -1,18 +1,20 @@
 #include <qpdf/MD5.hh>
-#include <qpdf/Pl_MD5.hh>
 #include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_MD5.hh>
 #include <qpdf/QUtil.hh>
 #include <iostream>
 #include <stdio.h>
 
-static void test_string(char const* str)
+static void
+test_string(char const* str)
 {
     MD5 a;
     a.encodeString(str);
     a.print();
 }
 
-int main(int, char*)
+int
+main(int, char*)
 {
     test_string("");
     test_string("a");
@@ -20,9 +22,9 @@
     test_string("message digest");
     test_string("abcdefghijklmnopqrstuvwxyz");
     test_string("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghi"
-		"jklmnopqrstuvwxyz0123456789");
+                "jklmnopqrstuvwxyz0123456789");
     test_string("1234567890123456789012345678901234567890"
-		"1234567890123456789012345678901234567890");
+                "1234567890123456789012345678901234567890");
     MD5 a;
     a.encodeFile("md5.in");
     std::cout << a.unparse() << std::endl;
@@ -31,17 +33,16 @@
     std::cout << b.unparse() << std::endl;
 
     std::cout
-	<< MD5::checkDataChecksum("900150983cd24fb0d6963f7d28e17f72", "abc", 3)
-	<< std::endl
-	<< MD5::checkFileChecksum("5f4b4321873433daae578f85c72f9e74", "md5.in")
-	<< std::endl
-	<< MD5::checkFileChecksum("6f4b4321873433daae578f85c72f9e74", "md5.in")
-	<< std::endl
-	<< MD5::checkDataChecksum("000150983cd24fb0d6963f7d28e17f72", "abc", 3)
-	<< std::endl
-	<< MD5::checkFileChecksum("6f4b4321873433daae578f85c72f9e74", "glerbl")
-	<< std::endl;
-
+        << MD5::checkDataChecksum("900150983cd24fb0d6963f7d28e17f72", "abc", 3)
+        << std::endl
+        << MD5::checkFileChecksum("5f4b4321873433daae578f85c72f9e74", "md5.in")
+        << std::endl
+        << MD5::checkFileChecksum("6f4b4321873433daae578f85c72f9e74", "md5.in")
+        << std::endl
+        << MD5::checkDataChecksum("000150983cd24fb0d6963f7d28e17f72", "abc", 3)
+        << std::endl
+        << MD5::checkFileChecksum("6f4b4321873433daae578f85c72f9e74", "glerbl")
+        << std::endl;
 
     Pl_Discard d;
     Pl_MD5 p("MD5", &d);
@@ -52,25 +53,19 @@
     // calling finalize.
     Pl_MD5 p2("MD5", &d);
     p2.persistAcrossFinish(true);
-    for (int i = 0; i < 2; ++i)
-    {
-	FILE* f = QUtil::safe_fopen("md5.in", "rb");
+    for (int i = 0; i < 2; ++i) {
+        FILE* f = QUtil::safe_fopen("md5.in", "rb");
         // buffer size < size of md5.in
         unsigned char buf50;
         bool done = false;
-        while (! done)
-        {
+        while (!done) {
             size_t len = fread(buf, 1, sizeof(buf), f);
-            if (len <= 0)
-            {
+            if (len <= 0) {
                 done = true;
-            }
-            else
-            {
+            } else {
                 p.write(buf, len);
                 p2.write(buf, len);
-                if (i == 1)
-                {
+                if (i == 1) {
                     // Partial digest -- resets after each call to write
                     std::cout << p.getHexDigest() << std::endl;
                 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/nntree.cc Added

@@ -0,0 +1,227 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFNameTreeObjectHelper.hh>
+#include <qpdf/QPDFNumberTreeObjectHelper.hh>
+#include <qpdf/QUtil.hh>
+#include <iostream>
+
+static bool any_failures = false;
+
+bool
+report(QPDF& q, QPDFObjectHandle oh, long long item, long long exp_item)
+{
+    QPDFNumberTreeObjectHelper nh(oh, q);
+    QPDFObjectHandle o1;
+    long long offset = 0;
+    bool f1 = nh.findObjectAtOrBelow(item, o1, offset);
+    QPDFObjectHandle o2;
+    bool f2 = nh.findObject(item, o2);
+
+    bool failed = false;
+    auto show = &failed, &oh, &item() {
+        if (!failed) {
+            failed = true;
+            std::cout << "key = " << item << ", oh = " << oh.unparseResolved()
+                      << std::endl;
+        }
+    };
+
+    auto mk_wanted = (long long i) {
+        return (
+            (i == -1) ? "end"
+                      : (QUtil::int_to_string(i) + "/(-" +
+                         QUtil::int_to_string(i) + "-)"));
+    };
+    std::string i1_wanted = mk_wanted(exp_item);
+    std::string i2_wanted = mk_wanted(item == exp_item ? item : -1);
+    auto mk_actual = (bool found, long long v, QPDFObjectHandle& o) {
+        return (found ? QUtil::int_to_string(v) + "/" + o.unparse() : "end");
+    };
+    std::string i1_actual = mk_actual(f1, item - offset, o1);
+    std::string i2_actual = mk_actual(f2, item, o2);
+
+    if (i1_wanted != i1_actual) {
+        show();
+        std::cout << "i1: wanted " << i1_wanted << ", got " << i1_actual
+                  << std::endl;
+    }
+    if (i2_wanted != i2_actual) {
+        show();
+        std::cout << "i2: wanted " << i2_wanted << ", got " << i2_actual
+                  << std::endl;
+    }
+
+    return failed;
+}
+
+void
+test_bsearch()
+{
+    QPDF q;
+    q.emptyPDF();
+
+    auto mk = &q(std::vector<int> const& v) {
+        auto nums = QPDFObjectHandle::newArray();
+        for (auto i: v) {
+            nums.appendItem(QPDFObjectHandle::newInteger(i));
+            nums.appendItem(QPDFObjectHandle::newString(
+                "-" + QUtil::int_to_string(i) + "-"));
+        }
+        auto limits = QPDFObjectHandle::newArray();
+        limits.appendItem(QPDFObjectHandle::newInteger(v.at(0)));
+        limits.appendItem(QPDFObjectHandle::newInteger(v.at(v.size() - 1)));
+        auto node = q.makeIndirectObject(QPDFObjectHandle::newDictionary());
+        node.replaceKey("/Nums", nums);
+        node.replaceKey("/Limits", limits);
+        return node;
+    };
+
+    auto r = &q(QPDFObjectHandle& oh, int item, int exp) {
+        if (report(q, oh, item, exp)) {
+            any_failures = true;
+        }
+    };
+
+    auto a = mk({2, 3, 5, 9, 11, 12, 14, 18});
+    r(a, 1, -1);
+    r(a, 2, 2);
+    r(a, 9, 9);
+    r(a, 11, 11);
+    r(a, 10, 9);
+    r(a, 7, 5);
+    r(a, 18, 18);
+    r(a, 19, 18);
+
+    auto b = mk({2, 4});
+    r(b, 1, -1);
+    r(b, 2, 2);
+    r(b, 3, 2);
+    r(b, 4, 4);
+    r(b, 5, 4);
+
+    auto c = mk({3});
+    r(c, 1, -1);
+    r(c, 3, 3);
+    r(c, 5, 3);
+
+    auto d = mk({2, 3, 5, 9, 10, 12, 14, 18, 19, 20});
+    r(d, 1, -1);
+    r(d, 2, 2);
+    r(d, 18, 18);
+    r(d, 14, 14);
+    r(d, 19, 19);
+    r(d, 20, 20);
+    r(d, 25, 20);
+
+    if (!any_failures) {
+        std::cout << "bsearch tests passed" << std::endl;
+    }
+}
+
+QPDFObjectHandle
+new_node(QPDF& q, std::string const& key)
+{
+    auto dict = QPDFObjectHandle::newDictionary();
+    dict.replaceKey(key, QPDFObjectHandle::newArray());
+    return q.makeIndirectObject(dict);
+}
+
+static void
+check_find(
+    QPDFNameTreeObjectHelper& nh,
+    std::string const& key,
+    bool prev_if_not_found)
+{
+    auto i = nh.find(key, prev_if_not_found);
+    std::cout << "find " << key << " (" << prev_if_not_found << "): ";
+    if (i == nh.end()) {
+        std::cout << "not found";
+    } else {
+        std::cout << (*i).first << " -> " << (*i).second.unparse();
+    }
+    std::cout << std::endl;
+}
+
+void
+test_depth()
+{
+    int constexpr NITEMS = 3;
+    QPDF q;
+    q.emptyPDF();
+    auto root = q.getRoot();
+    auto n0 = new_node(q, "/Kids");
+    root.replaceKey("/NT", n0);
+    auto k0 = root.getKey("/NT").getKey("/Kids");
+    for (int i1 = 0; i1 < NITEMS; ++i1) {
+        auto n1 = new_node(q, "/Kids");
+        k0.appendItem(n1);
+        auto k1 = n1.getKey("/Kids");
+        for (int i2 = 0; i2 < NITEMS; ++i2) {
+            auto n2 = new_node(q, "/Kids");
+            k1.appendItem(n2);
+            auto k2 = n2.getKey("/Kids");
+            for (int i3 = 0; i3 < NITEMS; ++i3) {
+                auto n3 = new_node(q, "/Names");
+                k2.appendItem(n3);
+                auto items = n3.getKey("/Names");
+                std::string first;
+                std::string last;
+                for (int i4 = 0; i4 < NITEMS; ++i4) {
+                    int val =
+                        (((((i1 * NITEMS) + i2) * NITEMS) + i3) * NITEMS) + i4;
+                    std::string str = QUtil::int_to_string(10 * val, 6);
+                    items.appendItem(QPDFObjectHandle::newString(str));
+                    items.appendItem(QPDFObjectHandle::newString("val " + str));
+                    if (i4 == 0) {
+                        first = str;
+                    } else if (i4 == NITEMS - 1) {
+                        last = str;
+                    }
+                }
+                auto limits = QPDFObjectHandle::newArray();
+                n3.replaceKey("/Limits", limits);
+                limits.appendItem(QPDFObjectHandle::newString(first));
+                limits.appendItem(QPDFObjectHandle::newString(last));
+            }
+            auto limits = QPDFObjectHandle::newArray();
+            n2.replaceKey("/Limits", limits);
+            limits.appendItem(
+                k2.getArrayItem(0).getKey("/Limits").getArrayItem(0));
+            limits.appendItem(
+                k2.getArrayItem(NITEMS - 1).getKey("/Limits").getArrayItem(1));
+        }
+        auto limits = QPDFObjectHandle::newArray();
+        n1.replaceKey("/Limits", limits);
+        limits.appendItem(k1.getArrayItem(0).getKey("/Limits").getArrayItem(0));
+        limits.appendItem(
+            k1.getArrayItem(NITEMS - 1).getKey("/Limits").getArrayItem(1));
+    }
+
+    QPDFNameTreeObjectHelper nh(n0, q);
+    std::cout << "--- forward ---" << std::endl;
+    for (auto i: nh) {
+        std::cout << i.first << " -> " << i.second.unparse() << std::endl;
+    }
+    std::cout << "--- backward ---" << std::endl;
+    for (auto i = nh.last(); i.valid(); --i) {
+        std::cout << (*i).first << " -> " << (*i).second.unparse() << std::endl;
+    }
+
+    // Find
+    check_find(nh, "000300", false);
+    check_find(nh, "000305", true);
+    check_find(nh, "000305", false);
+    check_find(nh, "00000", false);
+    check_find(nh, "00000", true);
+    check_find(nh, "000800", false);
+    check_find(nh, "000805", false);
+    check_find(nh, "000805", true);
+}
+
+int
+main()
+{
+    test_bsearch();
+    test_depth();
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/numrange.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/numrange.cc Changed

@@ -1,34 +1,28 @@
 #include <qpdf/QUtil.hh>
 #include <iostream>
 
-static void test_numrange(char const* range)
+static void
+test_numrange(char const* range)
 {
-    if (range == 0)
-    {
+    if (range == 0) {
         std::cout << "null" << std::endl;
-    }
-    else
-    {
+    } else {
         std::vector<int> result = QUtil::parse_numrange(range, 15);
         std::cout << "numeric range " << range << " ->";
-        for (std::vector<int>::iterator iter = result.begin();
-             iter != result.end(); ++iter)
-        {
-            std::cout << " " << *iter;
+        for (int i: result) {
+            std::cout << " " << i;
         }
         std::cout << std::endl;
     }
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    try
-    {
+    try {
         test_numrange(argv1);
-    }
-    catch (std::exception& e)
-    {
-	std::cout << e.what() << std::endl;
+    } catch (std::exception& e) {
+        std::cout << e.what() << std::endl;
         return 2;
     }

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/pdf_version.cc Added

@@ -0,0 +1,53 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/PDFVersion.hh>
+
+#include <iostream>
+
+int
+main()
+{
+    PDFVersion v1;
+    assert(v1.getMajor() == 0);
+    assert(v1.getMinor() == 0);
+    assert(v1.getExtensionLevel() == 0);
+    v1 = PDFVersion(1, 7, 8);
+    assert(v1.getMajor() == 1);
+    assert(v1.getMinor() == 7);
+    assert(v1.getExtensionLevel() == 8);
+    std::string version;
+    int extension_level = -1;
+    v1.getVersion(version, extension_level);
+    assert(version == "1.7");
+    assert(extension_level == 8);
+    PDFVersion v2(1, 5);
+    v2.getVersion(version, extension_level);
+    assert(version == "1.5");
+    assert(extension_level == 0);
+    assert(v2 < v1);
+    PDFVersion v3 = v1;
+    assert(v3 == v1);
+    v1.updateIfGreater(v2);
+    assert(v3 == v1);
+    assert(!(v3 == v2));
+    assert(!(v2 == v1));
+    v2.updateIfGreater(v1);
+    assert(v2 == v1);
+    v2.getVersion(version, extension_level);
+    assert(version == "1.7");
+    assert(extension_level == 8);
+    assert(PDFVersion(1, 2) < PDFVersion(1, 3));
+    assert(PDFVersion(1, 2) < PDFVersion(1, 2, 1));
+    assert(PDFVersion(1, 2, 1) < PDFVersion(1, 2, 2));
+    assert(!(PDFVersion(1, 2, 2) < PDFVersion(1, 2, 2)));
+    assert(!(PDFVersion(1, 2, 3) < PDFVersion(1, 2, 2)));
+    assert(PDFVersion(1, 1) < PDFVersion(1, 2, 2));
+    assert(!(PDFVersion(1, 3) < PDFVersion(1, 2, 2)));
+    assert(!(PDFVersion(2, 0) < PDFVersion(1, 9, 9)));
+    assert(!(PDFVersion(2, 0) < PDFVersion(2, 0)));
+    assert(PDFVersion(2, 0) == PDFVersion(2, 0));
+    assert(PDFVersion(2, 0, 1) == PDFVersion(2, 0, 1));
+
+    std::cout << "PDFVersion assertions passed" << std::endl;
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/pl_function.cc Added

@@ -0,0 +1,86 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/Pl_Base64.hh>
+#include <qpdf/Pl_Function.hh>
+#include <qpdf/Pl_String.hh>
+#include <iostream>
+
+namespace
+{
+    struct Count
+    {
+        int count{0};
+    };
+} // namespace
+
+int
+f(unsigned char const* data, size_t len, void* udata)
+{
+    auto c = reinterpret_cast<Count*>(udata);
+    ++c->count;
+    std::cout << "got " << data << "(" << len << ")" << std::endl;
+    if (c->count == 3) {
+        return 1;
+    }
+    return 0;
+}
+
+int
+g(char const* data, size_t len, void* udata)
+{
+    auto c = reinterpret_cast<Count*>(udata);
+    ++c->count;
+    std::cout << "signed got " << data << "(" << len << ")" << std::endl;
+    if (c->count == 2) {
+        return 2;
+    }
+    return 0;
+}
+
+int
+main(int argc, char* argv)
+{
+    Pl_Function p1("p1", nullptr, (unsigned char const* data, size_t len) {
+        std::cout << "p1: " << len << ": " << data << std::endl;
+    });
+    p1.write(reinterpret_cast<unsigned char const*>("potato"), 6);
+
+    std::string s;
+    Pl_String ps("string", nullptr, s);
+    Pl_Base64 b("base64", &ps, Pl_Base64::a_encode);
+    Pl_Function p2("p2", &b, (unsigned char const* data, size_t len) {
+        std::cout << "p2: " << len << ": " << data << std::endl;
+    });
+    p2.write(reinterpret_cast<unsigned char const*>("salad"), 5);
+    p2.finish();
+    assert(s == "c2FsYWQ=");
+
+    Count c;
+    Pl_Function p3("c-function", nullptr, f, &c);
+    p3 << "one";
+    p3 << "two";
+    try {
+        p3 << "three";
+        assert(false);
+    } catch (std::runtime_error& e) {
+        std::cout << "three threw " << e.what() << std::endl;
+    }
+    p3 << "four";
+    p3.finish();
+    assert(c.count == 4);
+
+    c.count = 0;
+    Pl_Function p4("c-function", nullptr, g, &c);
+    p4 << "potato";
+    try {
+        p4 << "salad";
+        assert(false);
+    } catch (std::runtime_error& e) {
+        std::cout << "salad threw " << e.what() << std::endl;
+    }
+    p4 << "quack";
+    p4.finish();
+    assert(c.count == 3);
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/pointer_holder.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/pointer_holder.cc Changed

@@ -1,10 +1,13 @@
+// We need to test the deprecated API
+#ifdef POINTERHOLDER_TRANSITION
+# undef POINTERHOLDER_TRANSITION
+#endif
+#define POINTERHOLDER_TRANSITION 0
 #include <qpdf/PointerHolder.hh>
 
 #include <iostream>
-#include <stdlib.h>
 #include <list>
-
-#include <qpdf/QUtil.hh>
+#include <stdlib.h>
 
 class Object
 {
@@ -19,7 +22,6 @@
     int id;
 };
 
-
 int Object::next_id = 0;
 
 Object::Object()
@@ -47,51 +49,197 @@
 
 typedef PointerHolder<Object> ObjectHolder;
 
-void callHello(ObjectHolder const& oh)
+void
+callHello(ObjectHolder& oh)
 {
     oh.getPointer()->hello();
     oh->hello();
     (*oh).hello();
 }
 
-int main(int argc, char* argv)
+void
+callHelloWithGet(ObjectHolder const& oh)
+{
+    oh.get()->hello();
+    oh->hello();
+    (*oh).hello();
+}
+
+void
+test_ph()
 {
     std::list<ObjectHolder> ol1;
 
     ObjectHolder oh0;
     {
-	std::cout << "hello" << std::endl;
-	Object* o1 = new Object;
-	ObjectHolder oh1(o1);
-	ObjectHolder oh2(oh1);
-	ObjectHolder oh3(new Object);
-	ObjectHolder oh4;
-	ObjectHolder oh5;
-	if (oh4 == oh5)
-	{
-	    std::cout << "nulls equal" << std::endl;
-	}
-	oh3 = oh1;
-	oh4 = oh2;
-	if (oh3 == oh4)
-	{
-	    std::cout << "equal okay" << std::endl;
-	}
-	if ((! (oh3 < oh4)) && (! (oh4 < oh3)))
-	{
-	    std::cout << "less than okay" << std::endl;
-	}
-	ol1.push_back(oh3);
-	ol1.push_back(oh3);
-	Object* o3 = new Object;
-	oh0 = o3;
+        std::cout << "hello" << std::endl;
+        Object* o1 = new Object;
+        ObjectHolder oh1(o1);
+        std::cout << "oh1 refcount = " << oh1.getRefcount() << std::endl;
+        ObjectHolder oh2(oh1);
+        std::cout << "oh1 refcount = " << oh1.getRefcount() << std::endl;
+        std::cout << "oh2 refcount = " << oh2.use_count() << std::endl;
+        ObjectHolder oh3(new Object);
+        ObjectHolder oh4;
+        ObjectHolder oh5;
+        std::cout << "oh5 refcount = " << oh5.getRefcount() << std::endl;
+        if (oh4 == oh5) {
+            std::cout << "nulls equal" << std::endl;
+        }
+        oh3 = oh1;
+        oh4 = oh2;
+        if (oh3 == oh4) {
+            std::cout << "equal okay" << std::endl;
+        }
+        if ((!(oh3 < oh4)) && (!(oh4 < oh3))) {
+            std::cout << "less than okay" << std::endl;
+        }
+        ol1.push_back(oh3);
+        ol1.push_back(oh3);
+        Object* o3 = new Object;
+        oh0 = o3;
+        PointerHolder<Object const> oh6(new Object());
+        oh6->hello();
     }
 
     ol1.front().getPointer()->hello();
     ol1.front()->hello();
     (*ol1.front()).hello();
     callHello(ol1.front());
+    callHelloWithGet(ol1.front());
     ol1.pop_front();
+    std::cout << "array" << std::endl;
+    PointerHolder<Object> o_arr1_ph(true, new Object2);
     std::cout << "goodbye" << std::endl;
+}
+
+PointerHolder<Object>
+make_object_ph()
+{
+    return new Object;
+}
+
+std::shared_ptr<Object>
+make_object_sp()
+{
+    return std::make_shared<Object>();
+}
+
+PointerHolder<Object const>
+make_object_const_ph()
+{
+    return new Object;
+}
+
+std::shared_ptr<Object const>
+make_object_const_sp()
+{
+    return std::make_shared<Object const>();
+}
+
+void
+hello_ph(PointerHolder<Object> o)
+{
+    o->hello();
+}
+
+void
+hello_sp(std::shared_ptr<Object> o)
+{
+    o->hello();
+}
+
+void
+hello_ph_const(PointerHolder<Object const> o)
+{
+    o->hello();
+}
+
+void
+hello_sp_const(std::shared_ptr<Object const> o)
+{
+    o->hello();
+}
+
+void
+ph_sp_compat()
+{
+    // Ensure bidirectional compatibility between PointerHolder and
+    // shared_ptr.
+    std::cout << "compat" << std::endl;
+    PointerHolder<Object> ph_from_ph = make_object_ph();
+    std::shared_ptr<Object> sp_from_ph = make_object_ph();
+    PointerHolder<Object> ph_from_sp = make_object_sp();
+    std::shared_ptr<Object> sp_from_sp = make_object_sp();
+    hello_sp(ph_from_ph);
+    hello_ph(sp_from_ph);
+    hello_sp(ph_from_sp);
+    hello_ph(sp_from_sp);
+    PointerHolder<Object const> ph_const_from_ph = make_object_const_ph();
+    std::shared_ptr<Object const> sp_const_from_ph = make_object_const_ph();
+    PointerHolder<Object const> ph_const_from_sp = make_object_const_sp();
+    std::shared_ptr<Object const> sp_const_from_sp = make_object_const_sp();
+    hello_sp_const(ph_const_from_ph);
+    hello_ph_const(sp_const_from_ph);
+    hello_sp_const(ph_const_from_sp);
+    hello_ph_const(sp_const_from_sp);
+    PointerHolder<Object> arr1_ph;
+    {
+        std::cout << "initialize ph array from shared_ptr" << std::endl;
+        std::shared_ptr<Object> arr1(
+            new Object2, std::default_delete<Object>());
+        arr1_ph = arr1;
+    }
+    std::cout << "delete ph array" << std::endl;
+    arr1_ph = nullptr;
+    std::shared_ptr<Object> arr2_sp;
+    {
+        std::cout << "initialize sp array from PointerHolder" << std::endl;
+        PointerHolder<Object> arr2(true, new Object2);
+        arr2_sp = arr2;
+    }
+    std::cout << "delete sp array" << std::endl;
+    arr2_sp = nullptr;
+    std::cout << "end compat" << std::endl;
+}
+
+std::list<PointerHolder<Object>>
+get_ph_list()
+{
+    std::list<PointerHolder<Object>> l = {
+        make_object_sp(),
+        make_object_ph(),
+    };
+    return l;
+}
+
+std::list<std::shared_ptr<Object>>
+get_sp_list()
+{
+    std::list<std::shared_ptr<Object>> l = {
+        make_object_sp(),
+        make_object_ph(),
+    };
+    return l;
+}
+
+void
+ph_sp_containers()
+{
+    std::cout << "containers" << std::endl;
+    // Demonstrate that using auto makes it easy to switch interfaces
+    // from using a container of one shared pointer type to a
+    // container of the other.
+    auto phl1 = get_ph_list();
+    auto phl2 = get_sp_list();
+    std::cout << "end containers" << std::endl;
+}
+
+int
+main(int argc, char* argv)
+{
+    test_ph();
+    ph_sp_compat();
+    ph_sp_containers();
     return 0;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/predictors.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/predictors.cc Changed

@@ -1,64 +1,67 @@
+#include <qpdf/assert_test.h>
+
 #include <qpdf/Pl_PNGFilter.hh>
-#include <qpdf/Pl_TIFFPredictor.hh>
 #include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/Pl_TIFFPredictor.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QUtil.hh>
 
-#include <iostream>
 #include <errno.h>
-#include <assert.h>
-#include <string.h>
+#include <iostream>
 #include <stdlib.h>
+#include <string.h>
 
-void run(char const* filename, char const* filter,
-         bool encode, unsigned int columns,
-         int bits_per_sample, int samples_per_pixel)
+void
+run(char const* filename,
+    char const* filter,
+    bool encode,
+    unsigned int columns,
+    unsigned int bits_per_sample,
+    unsigned int samples_per_pixel)
 {
     FILE* in = QUtil::safe_fopen(filename, "rb");
     FILE* o1 = QUtil::safe_fopen("out", "wb");
     Pipeline* out = new Pl_StdioFile("out", o1);
     Pipeline* pl = 0;
-    if (strcmp(filter, "png") == 0)
-    {
+    if (strcmp(filter, "png") == 0) {
         pl = new Pl_PNGFilter(
-            "png", out,
+            "png",
+            out,
             encode ? Pl_PNGFilter::a_encode : Pl_PNGFilter::a_decode,
-            columns, samples_per_pixel, bits_per_sample);
-    }
-    else if (strcmp(filter, "tiff") == 0)
-    {
+            columns,
+            samples_per_pixel,
+            bits_per_sample);
+    } else if (strcmp(filter, "tiff") == 0) {
         pl = new Pl_TIFFPredictor(
-            "png", out,
+            "png",
+            out,
             encode ? Pl_TIFFPredictor::a_encode : Pl_TIFFPredictor::a_decode,
-            columns, samples_per_pixel, bits_per_sample);
-    }
-    else
-    {
+            columns,
+            samples_per_pixel,
+            bits_per_sample);
+    } else {
         std::cerr << "unknown filter " << filter << std::endl;
         exit(2);
     }
     assert((2 * (columns + 1)) < 1024);
     unsigned char buf1024;
     size_t len;
-    while (true)
-    {
-	len = fread(buf, 1, (2 * columns) + 1, in);
-	if (len == 0)
-	{
-	    break;
-	}
-	pl->write(buf, len);
-	len = fread(buf, 1, 1, in);
-	if (len == 0)
-	{
-	    break;
-	}
-	pl->write(buf, len);
-	len = fread(buf, 1, 1, in);
-	if (len == 0)
-	{
-	    break;
-	}
-	pl->write(buf, len);
+    while (true) {
+        len = fread(buf, 1, (2 * columns) + 1, in);
+        if (len == 0) {
+            break;
+        }
+        pl->write(buf, len);
+        len = fread(buf, 1, 1, in);
+        if (len == 0) {
+            break;
+        }
+        pl->write(buf, len);
+        len = fread(buf, 1, 1, in);
+        if (len == 0) {
+            break;
+        }
+        pl->write(buf, len);
     }
 
     pl->finish();
@@ -70,14 +73,13 @@
     std::cout << "done" << std::endl;
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if (argc != 7)
-    {
-	std::cerr << "Usage: predictor {png|tiff} {en,de}code filename"
-                  << " columns samples-per-pixel bits-per-sample"
-                  << std::endl;
-	exit(2);
+    if (argc != 7) {
+        std::cerr << "Usage: predictor {png|tiff} {en,de}code filename"
+                  << " columns samples-per-pixel bits-per-sample" << std::endl;
+        exit(2);
     }
     char* filter = argv1;
     bool encode = (strcmp(argv2, "encode") == 0);
@@ -86,14 +88,15 @@
     int samples_per_pixel = QUtil::string_to_int(argv5);
     int bits_per_sample = QUtil::string_to_int(argv6);
 
-    try
-    {
-	run(filename, filter, encode,
-            columns, bits_per_sample, samples_per_pixel);
-    }
-    catch (std::exception& e)
-    {
-	std::cout << e.what() << std::endl;
+    try {
+        run(filename,
+            filter,
+            encode,
+            QIntC::to_uint(columns),
+            QIntC::to_uint(bits_per_sample),
+            QIntC::to_uint(samples_per_pixel));
+    } catch (std::exception& e) {
+        std::cout << e.what() << std::endl;
     }
     return 0;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qintc.cc Added

@@ -0,0 +1,128 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/QIntC.hh>
+#include <stdint.h>
+
+#define try_convert(exp_pass, fn, i) \
+ try_convert_real(#fn "(" #i ")", exp_pass, fn, i)
+
+template <typename From, typename To>
+static void
+try_convert_real(
+    char const* description,
+    bool exp_pass,
+    To (*fn)(From const&),
+    From const& i)
+{
+    bool passed = false;
+    try {
+        To result = fn(i);
+        passed = true;
+        std::cout << description << ": " << i << " " << result;
+    } catch (std::range_error& e) {
+        std::cout << description << ": " << e.what();
+        passed = false;
+    }
+    std::cout << ((passed == exp_pass) ? " PASSED" : " FAILED") << std::endl;
+}
+
+#define try_range_check(exp_pass, a, b) \
+ try_range_check_real(#a " + " #b, exp_pass, a, b)
+
+template <typename T>
+static void
+try_range_check_real(
+    char const* description, bool exp_pass, T const& a, T const& b)
+{
+    bool passed = false;
+    try {
+        QIntC::range_check(a, b);
+        std::cout << description << ": okay";
+        passed = true;
+    } catch (std::range_error& e) {
+        std::cout << description << ": " << e.what();
+        passed = false;
+    }
+    std::cout << ((passed == exp_pass) ? " PASSED" : " FAILED") << std::endl;
+}
+
+#define try_range_check_subtract(exp_pass, a, b) \
+ try_range_check_subtract_real(#a " - " #b, exp_pass, a, b)
+
+template <typename T>
+static void
+try_range_check_subtract_real(
+    char const* description, bool exp_pass, T const& a, T const& b)
+{
+    bool passed = false;
+    try {
+        QIntC::range_check_substract(a, b);
+        std::cout << description << ": okay";
+        passed = true;
+    } catch (std::range_error& e) {
+        std::cout << description << ": " << e.what();
+        passed = false;
+    }
+    std::cout << ((passed == exp_pass) ? " PASSED" : " FAILED") << std::endl;
+}
+
+int
+main()
+{
+    uint32_t u1 = 3141592653U;      // Too big for signed type
+    int32_t i1 = -1153374643;       // Same bit pattern as u1
+    uint64_t ul1 = 1099511627776LL; // Too big for 32-bit
+    uint64_t ul2 = 12345;           // Fits into 32-bit
+    int32_t i2 = 81;                // Fits in char and uchar
+    signed char c1 = static_cast<signed char>('\xf7'); // Signed value when char
+    char c2 = 'W'; // char; may be signed or unsigned
+
+    // Verify i1 and u1 have same bit pattern
+    assert(static_cast<uint32_t>(i1) == u1);
+    // Verify that we can unsafely convert between signed and unsigned char
+    assert(c1 == static_cast<signed char>(static_cast<unsigned char>(c1)));
+
+    try_convert(true, QIntC::to_int<int32_t>, i1);
+    try_convert(true, QIntC::to_uint<uint32_t>, u1);
+    try_convert(false, QIntC::to_int<uint32_t>, u1);
+    try_convert(false, QIntC::to_uint<int32_t>, i1);
+    try_convert(false, QIntC::to_int<uint64_t>, ul1);
+    try_convert(true, QIntC::to_int<uint64_t>, ul2);
+    try_convert(true, QIntC::to_uint<uint64_t>, ul2);
+    try_convert(true, QIntC::to_offset<uint32_t>, u1);
+    try_convert(true, QIntC::to_offset<int32_t>, i1);
+    try_convert(false, QIntC::to_ulonglong<int32_t>, i1);
+    try_convert(true, QIntC::to_char<int32_t>, i2);
+    try_convert(true, QIntC::to_uchar<int32_t>, i2);
+    try_convert(false, QIntC::to_uchar<signed char>, c1);
+    try_convert(true, QIntC::to_uchar<char>, c2);
+    try_convert(true, QIntC::to_char<char>, c2);
+
+    auto constexpr max_ll = std::numeric_limits<long long>::max();
+    auto constexpr max_ull = std::numeric_limits<unsigned long long>::max();
+    auto constexpr min_ll = std::numeric_limits<long long>::min();
+    auto constexpr max_sc = std::numeric_limits<signed char>::max();
+    try_range_check(true, 1, 2);
+    try_range_check(true, -1, 2);
+    try_range_check(true, -100, -200);
+    try_range_check(true, max_ll, 0LL);
+    try_range_check(false, max_ll, 1LL);
+    try_range_check(true, max_ll, 0LL);
+    try_range_check(false, max_ll, 1LL);
+    try_range_check(true, max_ull, 0ULL);
+    try_range_check(false, max_ull, 1ULL);
+    try_range_check(true, min_ll, 0LL);
+    try_range_check(false, min_ll, -1LL);
+    try_range_check(false, max_sc, max_sc);
+    try_range_check(true, '!', '#');
+    try_range_check_subtract(true, 1, 2);
+    try_range_check_subtract(true, -1, -2);
+    try_range_check_subtract(true, 1, 10);
+    try_range_check_subtract(true, -1, -10);
+    try_range_check_subtract(false, 0LL, min_ll);
+    try_range_check_subtract(false, 1LL, min_ll);
+    try_range_check_subtract(true, 0LL, max_ll);
+    try_range_check_subtract(true, -1LL, max_ll);
+    try_range_check_subtract(false, -2LL, max_ll);
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/aes.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/aes.test Changed

@@ -10,60 +10,81 @@
 
 my $td = new TestDriver('AES');
 
-cleanup();
-
-my $key = '000102030405060708090a0b0c0d0e0f';
-$td->runtest("encrypt test vector",
-	     {$td->COMMAND => "aes -cbc -encrypt $key test-vector.clear tmp1"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => "tmp1"},
-	     {$td->FILE => "test-vector.cipher"});
-$td->runtest("decrypt test vector",
-	     {$td->COMMAND => "aes -cbc -decrypt $key tmp1 tmp2"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => "tmp2"},
-	     {$td->FILE => "test-vector.clear"});
-
-$key = '243f6a8885243f6a8885243f6a888524';
-foreach my $d ('data1', 17072, 'data2', 16032)
+my @providers = ();
+if (exists $ENV{'QPDF_CRYPTO_PROVIDER'})
+{
+    push(@providers, $ENV{'QPDF_CRYPTO_PROVIDER'});
+}
+else
 {
-    my ($file, $size) = @$d;
-    $td->runtest("encrypt $file",
-		 {$td->COMMAND => "aes +cbc -encrypt $key $file tmp1"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    # sleep one second so random number will get a different seed
-    sleep(1);
-    $td->runtest("encrypt $file again",
-		 {$td->COMMAND => "aes +cbc -encrypt $key $file tmp2"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    foreach my $f (qw(tmp1 tmp2))
+    open(Q, "qpdf --show-crypto|") or die;
+    while (<Q>)
     {
-	$td->runtest("check size",
-		     {$td->STRING => sprintf("%d\n", stat($f)->size)},
-		     {$td->STRING => "$size\n"});
+        s/\s+$//s;
+        push(@providers, $_);
     }
-    $td->runtest("verify files are different",
-		 {$td->COMMAND => "cmp tmp1 tmp2"},
-		 {$td->REGEXP => '.*', $td->EXIT_STATUS => '!0'});
-    $td->runtest("decrypt $file",
-		 {$td->COMMAND => "aes +cbc -decrypt $key tmp1 tmp3"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("decrypt $file again",
-		 {$td->COMMAND => "aes +cbc -decrypt $key tmp2 tmp4"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    close(Q);
+}
+foreach my $p (@providers)
+{
+    $ENV{'QPDF_CRYPTO_PROVIDER'} = $p;
+
+    cleanup();
+
+    my $key = '000102030405060708090a0b0c0d0e0f';
+    $td->runtest("encrypt test vector ($p)",
+                 {$td->COMMAND =>
+                      "aes -cbc -encrypt $key test-vector.clear tmp1"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
     $td->runtest("check output",
-		 {$td->FILE => "tmp3"},
-		 {$td->FILE => $file});
+                 {$td->FILE => "tmp1"},
+                 {$td->FILE => "test-vector.cipher"});
+    $td->runtest("decrypt test vector ($p)",
+                 {$td->COMMAND => "aes -cbc -decrypt $key tmp1 tmp2"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
     $td->runtest("check output",
-		 {$td->FILE => "tmp4"},
-		 {$td->FILE => $file});
-}
+                 {$td->FILE => "tmp2"},
+                 {$td->FILE => "test-vector.clear"});
+
+    $key = '243f6a8885243f6a8885243f6a888524';
+    foreach my $d ('data1', 17072, 'data2', 16032)
+    {
+        my ($file, $size) = @$d;
+        $td->runtest("encrypt $file ($p)",
+                     {$td->COMMAND => "aes +cbc -encrypt $key $file tmp1"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        # sleep one second so random number will get a different seed
+        sleep(1);
+        $td->runtest("encrypt $file again ($p)",
+                     {$td->COMMAND => "aes +cbc -encrypt $key $file tmp2"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        foreach my $f (qw(tmp1 tmp2))
+        {
+            $td->runtest("check size",
+                         {$td->STRING => sprintf("%d\n", stat($f)->size)},
+                         {$td->STRING => "$size\n"});
+        }
+        $td->runtest("verify files are different",
+                     {$td->COMMAND => "cmp tmp1 tmp2"},
+                     {$td->REGEXP => '.*', $td->EXIT_STATUS => '!0'});
+        $td->runtest("decrypt $file ($p)",
+                     {$td->COMMAND => "aes +cbc -decrypt $key tmp1 tmp3"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        $td->runtest("decrypt $file again ($p)",
+                     {$td->COMMAND => "aes +cbc -decrypt $key tmp2 tmp4"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        $td->runtest("check output",
+                     {$td->FILE => "tmp3"},
+                     {$td->FILE => $file});
+        $td->runtest("check output",
+                     {$td->FILE => "tmp4"},
+                     {$td->FILE => $file});
+    }
 
-cleanup();
+    cleanup();
+}
 
-$td->report(22);
+$td->report(22 * scalar(@providers));
 
 sub cleanup
 {

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser.test Added

@@ -0,0 +1,129 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+chdir("arg_parser") or die "chdir testdir failed: $!\n";
+unshift(@INC, '.');
+require completion_helpers;
+
+require TestDriver;
+
+my $td = new TestDriver('arg_parser');
+
+my @completion_tests = (
+    '', 0, 'bad-input-1',
+    '', 1, 'bad-input-2',
+    '', 2, 'bad-input-3',
+    'arg_parser', 2, 'bad-input-4',
+    'arg_parser ', undef, 'top',
+    'arg_parser -', undef, 'top-arg',
+    'arg_parser --po', undef, 'po',
+    'arg_parser --potato ', undef, 'potato',
+    'arg_parser --quack ', undef, 'quack',
+    'arg_parser --quack -', undef, 'quack-',
+    'arg_parser --quack x ', undef, 'quack-x',
+    'arg_parser --quack x x ', undef, 'quack-x-x',
+    'arg_parser --baaa -', undef, 'baaa',
+    'arg_parser --baaa -- --', undef, 'second',
+    'arg_parser @quack-xyz ', undef, 'quack-x-y-z',
+    'arg_parser --quack \'user " password\' ', undef, 'quack-x',
+    'arg_parser --quack \'user password\' ', undef, 'quack-x',
+    'arg_parser --quack "user password" ', undef, 'quack-x',
+    'arg_parser --quack "user pass\'word" ', undef, 'quack-x',
+    'arg_parser --quack user\ password ', undef, 'quack-x',
+    'arg_parser --sheep --', undef, 'sheep',
+    );
+
+foreach my $c (@completion_tests)
+{
+    my ($cmd, $point, $description) = @$c;
+    my $out = "completion-$description.out";
+    my $zout = "completion-$description-zsh.out";
+    if (! -f $zout)
+    {
+        $zout = $out;
+    }
+    $td->runtest("bash completion: $description",
+                 {$td->COMMAND =>
+                      @{bash_completion("arg_parser", $cmd, $point)},
+                      $td->FILTER => "perl filter-completion.pl $out"},
+                 {$td->FILE => "$out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("zsh completion: $description",
+                 {$td->COMMAND =>
+                      @{zsh_completion("arg_parser", $cmd, $point)},
+                      $td->FILTER => "perl filter-completion.pl $zout"},
+                 {$td->FILE => "$zout", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+my @arg_tests = (
+    '--potato', 0,            # 0
+    '--oops', 2,              # 1
+    '--version', 0,           # 2
+    '--version --potato', 2,  # 3
+    '--potato --version', 2,  # 4
+    '--quack', 2,             # 5
+    '--quack --', 0,          # 6
+    '--quack 1 2 3 --', 0,    # 7
+    '--potato --quack 1 2 3 --' . # 8
+     ' --potato --quack a b c --' .
+     ' --baaa --ram --', 0,
+    '--baaa --potato --', 2,  # 9
+    '--baaa --ewe', 2,        # 10
+    '--oink=baaa', 2,         # 11
+    '--oink=sow', 0,          # 12
+    '-oink=sow', 0,           # 13
+    '@quack-xyz', 2,          # 14
+    '@quack-xyz --', 0,       # 15
+    '--salad', 2,             # 16
+    '--salad=spinach', 0,     # 17
+    );
+
+for (my $i = 0; $i < scalar(@arg_tests); ++$i)
+{
+    my ($args, $status) = @{$arg_tests$i};
+    $td->runtest("arg_tests $i",
+                 {$td->COMMAND => "arg_parser $args"},
+                 {$td->FILE => "args-$i.out", $td->EXIT_STATUS => $status},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+$td->runtest("exceptions",
+             {$td->COMMAND => "arg_parser exceptions"},
+             {$td->FILE => "exceptions.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("args from stdin",
+             {$td->COMMAND => 'echo --potato | arg_parser @-'},
+             {$td->FILE => "stdin.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+my @help_tests = (
+    '',
+    '=all',
+    '=--ewe',
+    '=quack',
+    );
+foreach my $i (@help_tests)
+{
+    my $out = $i;
+    $out =~ s/=-//g;
+    if ($out ne '')
+    {
+        $out = "-$out";
+    }
+    $td->runtest("--help$i",
+                 {$td->COMMAND => "arg_parser --help$i"},
+                 {$td->FILE => "help$out.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+$td->runtest("bad help option",
+             {$td->COMMAND => 'arg_parser --help=--oops'},
+             {$td->FILE => "help-bad.out", $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+$td->report(3 + (2 * scalar(@completion_tests)) +
+            scalar(@arg_tests) + scalar(@help_tests));

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-0.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-1.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-10.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-11.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-12.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-13.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-14.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-15.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-16.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-17.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-2.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-3.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-4.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-5.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-6.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-7.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-8.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/args-9.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-baaa.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-bad-input-1.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-bad-input-2.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-bad-input-3.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-bad-input-4.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-po.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-potato.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-quack-.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-quack-x-x.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-quack-x-y-z.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-quack-x.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-quack.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-second-zsh.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-second.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-sheep.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-top-arg-zsh.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-top-arg.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion-top.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/completion_helpers.pm Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/exceptions.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/filter-completion.pl Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/help-all.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/help-bad.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/help-ewe.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/help-quack.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/help.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/quack-xyz Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/arg_parser/stdin.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/ascii85.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/ascii85.test Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64.test Added

@@ -0,0 +1,58 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+chdir("base64") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('base64');
+
+cleanup();
+
+# ** Do not use normalize newlines on these tests. **
+
+my $n = 5;
+for (my $i = 1; $i <= $n; ++$i)
+{
+    $td->runtest("encode $i",
+                 {$td->COMMAND => "base64 encode < $i.dec"},
+                 {$td->FILE => "$i.enc", $td->EXIT_STATUS => 0});
+    $td->runtest("code $i",
+                 {$td->COMMAND => "base64 decode < $i.enc"},
+                 {$td->FILE => "$i.dec", $td->EXIT_STATUS => 0});
+}
+
+$td->runtest("non-zero discard bits",
+             {$td->COMMAND => "echo c2FsYWR= | base64 decode"},
+             {$td->STRING => "salad", $td->EXIT_STATUS => 0});
+$td->runtest("write with +/",
+             {$td->COMMAND => "echo +/== | base64 decode > a"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("write with -_",
+             {$td->COMMAND => "echo -_== | base64 decode > b"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("interchangeability of +/ and -_",
+             {$td->FILE => "a"},
+             {$td->FILE => "b"});
+
+$td->runtest("invalid characters",
+             {$td->COMMAND => "echo aaaaa! | base64 decode"},
+             {$td->REGEXP => ".*invalid input.*", $td->EXIT_STATUS => 2});
+$td->runtest("invalid pad",
+             {$td->COMMAND => "echo a= | base64 decode"},
+             {$td->REGEXP => ".*invalid input.*", $td->EXIT_STATUS => 2});
+$td->runtest("data after pad",
+             {$td->COMMAND => "echo aa==potato | base64 decode"},
+             {$td->REGEXP => ".*data follows pad characters.*",
+                  $td->EXIT_STATUS => 2});
+
+cleanup();
+
+$td->report(7 + (2 * $n));
+
+sub cleanup
+{
+    unlink('a', 'b');
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/1.dec Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/1.enc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/2.dec Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/2.enc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/3.dec Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/3.enc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/4.dec Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/4.enc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/5.dec Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/base64/5.enc Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/bits.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/bits.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/bits/bits.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/bits/bits.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/buffer.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/buffer.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/buffer/buffer.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/buffer/buffer.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/cxx11.test Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/flate.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/flate.test Changed

@@ -32,24 +32,24 @@
 check_file("farbage", "a6449c61db5b0645c0693b7560b77a60");
 
 $td->runtest("run driver",
-	     {$td->COMMAND => "flate farbage"},,
-	     {$td->STRING => "bytes written to o3: 100010\ndone\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "flate farbage"},,
+             {$td->STRING => "bytes written to o3: 100010\ndone\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 check_file("farbage", "a6449c61db5b0645c0693b7560b77a60");
 
 $td->runtest("compressed file correct",
-	     {$td->FILE => "farbage.1"},
-	     {$td->FILE => "compressed"});
+             {$td->FILE => "farbage.1"},
+             {$td->FILE => "compressed"});
 
 $td->runtest("uncompress filter works",
-	     {$td->FILE => "farbage"},
-	     {$td->FILE => "farbage.2"});
+             {$td->FILE => "farbage"},
+             {$td->FILE => "farbage.2"});
 
 $td->runtest("double filter works",
-	     {$td->FILE => "farbage"},
-	     {$td->FILE => "farbage.3"});
+             {$td->FILE => "farbage"},
+             {$td->FILE => "farbage.3"});
 
 cleanup();
 
@@ -69,6 +69,6 @@
     close(F);
     my $result = $md5->hexdigest;
     $td->runtest("check $file",
-		 {$td->STRING => "$result\n"},
-		 {$td->STRING => "$sum\n"});
+                 {$td->STRING => "$result\n"},
+                 {$td->STRING => "$sum\n"});
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/hex.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/hex.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/input_source.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/input_source.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/json.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/json/json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json/json.out Changed

@@ -1,22 +1,29 @@
 --- top-level type mismatch
 top-level object is supposed to be a dictionary
 ---
---- top-level type mismatch
-json key "./one./a": key "/q" is present in schema but missing in object
-json key "./one./a./r" is supposed to be a dictionary
-json key "./one./a./s" is supposed to be an array
-json key "./one./a": key "/t" is not present in schema but appears in object
-json key "./two.1": key "/glarp" is present in schema but missing in object
-json key "./two.1": key "/flarp" is not present in schema but appears in object
-json key "./two.2" is supposed to be a dictionary
-json key "./two.3" is supposed to be a dictionary
+--- missing items
+json key ".four" is supposed to be an array of length 2
+json key ".one.a": key "q" is present in schema but missing in object
+json key ".one.a.r" is supposed to be a dictionary
+json key ".one.a.s": key "ss" is present in schema but missing in object
+json key ".one.a.s": key "z" is not present in schema but appears in object
+json key ".one.a": key "t" is not present in schema but appears in object
+json key ".three.anything": key "z" is present in schema but missing in object
+json key ".three.anything": key "x" is not present in schema but appears in object
+json key ".three.else": key "o" is present in schema but missing in object
+json key ".two.1": key "glarp" is present in schema but missing in object
+json key ".two.1": key "flarp" is not present in schema but appears in object
+json key ".two.2" is supposed to be a dictionary
+json key ".two.3" is supposed to be a dictionary
+---
+--- bad schema field type
+json key ".a" schema value is not dictionary, array, or string
 ---
---- top-level schema array error
-top-level object schema array contains other than one item
+--- array element mismatch
+json key ".four.1": key "oops" is not present in schema but appears in object
 ---
---- lower-level schema array error
-json key "./one./a./r" schema array contains other than one item
-json key "./two" schema array contains other than one item
+--- not optional
+json key ".three.<objid>": key "o" is present in schema but missing in object
 ---
 --- pass
 ---

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json_handler Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json_handler.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json_handler/json_handler.out Added

@@ -0,0 +1,71 @@
+-- scalar --
+.: string: potato
+-- all --
+.: json: {
+  "five": 
+    "x",
+    false,
+    "y",
+    null,
+    true
+  ,
+  "four": 
+    "a",
+    1
+  ,
+  "one": "potato",
+  "phour": null,
+  "six": {
+    "a": {
+      "Q": "baaa",
+      "b": "quack"
+    },
+    "b": "moo"
+  },
+  "three": true,
+  "two": 3.14
+}
+.five: json: 
+  "x",
+  false,
+  "y",
+  null,
+  true
+
+.five0: string: x
+.five1: bool: false
+.five2: string: y
+.five3: null
+.five4: bool: true
+.five: json: array end
+.four: json: 
+  "a",
+  1
+
+.one: string: potato
+.phour: json: null
+.six: json: {
+  "a": {
+    "Q": "baaa",
+    "b": "quack"
+  },
+  "b": "moo"
+}
+.six.a: json: {
+  "Q": "baaa",
+  "b": "quack"
+}
+.six.a.Q: json: "baaa"
+.six.a.b: string: quack
+.six.a: json: dict end
+.six.b: string: moo
+.six: json: dict end
+.three: bool: true
+.two: number: 3.14
+.: json: dict end
+-- errors --
+bad type at top: JSON handler: value at . is not of expected type
+.: json: {
+  "x": "y"
+}
+unexpected key: JSON handler found unexpected key x in object at .

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json_parse Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json_parse.test Added

@@ -0,0 +1,156 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use File::Copy;
+use File::Compare;
+
+chdir("json_parse") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('json_parse');
+
+my $json_mod = 0;
+if ($^O ne 'msys')
+{
+    # Emperical evidence and considerable debugging reveals that in
+    # some versions of perl (e.g. the one with git bash on the GitHub
+    # actions Windows 2022 build environment), using the JSON module
+    # defeats the functionality of binmode when writing test output
+    # files, thus invalidating NORMALIZE_NEWLINES. This causes test
+    # failures and spurious upadtes to save files in CI on MSVC.
+    eval {
+        require JSON;
+        $json_mod = 1;
+    };
+    if ($@)
+    {
+        $td->emphasize("JSON.pm not found -- using stored actual outputs");
+    }
+}
+
+cleanup();
+
+my $good = 11;
+
+for (my $i = 1; $i <= $good; ++$i)
+{
+    my $n = sprintf("%02d", $i);
+
+    unlink "out.json";
+    my $r = system("json_parse good-$n.json > out.json 2>&1");
+    if ($td->runtest("json_parse accepted $n",
+                     {$td->STRING => "$r\n"},
+                     {$td->STRING => "0\n"},
+                     $td->NORMALIZE_NEWLINES))
+    {
+        if ($json_mod)
+        {
+            if ($td->runtest("check output $n",
+                             {$td->STRING => normalize_json("out.json")},
+                             {$td->STRING => normalize_json("good-$n.json")},
+                             $td->NORMALIZE_NEWLINES))
+            {
+                if (compare("out.json", "save-$n.json"))
+                {
+                    copy("out.json", "save-$n.json");
+                    $td->emphasize("updated save-$n.json from out.json");
+                }
+            }
+        }
+        else
+        {
+            $td->runtest("check output $n against saved",
+                         {$td->FILE => "out.json"},
+                         {$td->FILE => "save-$n.json"},
+                         $td->NORMALIZE_NEWLINES);
+        }
+    }
+    else
+    {
+        $td->runtest("skip checking output $n",
+                     {$td->FILE => "out.json"},
+                     {$td->STRING => ""});
+    }
+
+    $td->runtest("good $n reactor",
+                 {$td->COMMAND => "json_parse good-$n.json --react"},
+                 {$td->FILE => "good-$n-react.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+my @bad = (
+    "junk after string",        # 1
+    "junk after array",         # 2
+    "junk after dictionary",    # 3
+    "bad number",               # 4
+    "invalid keyword",          # 5
+    "missing colon",            # 6
+    "missing comma in dict",    # 7
+    "missing comma in array",   # 8
+    "dict key not string",      # 9
+    "unexpected } in array",    # 10
+    "unexpected } at top",      # 11
+    "unexpected } in dict",     # 12
+    "unexpected  in dict",     # 13
+    "unexpected  at top",      # 14
+    "unexpected :",             # 15
+    "unexpected ,",             # 16
+    "premature end array",      # 17
+    "null character",           # 18
+    "unexpected character",     # 19
+    "point in exponent",        # 20
+    "duplicate point",          # 21
+    "duplicate e",              # 22
+    "stray +",                  # 23
+    "bad character in number",  # 24
+    "bad character in keyword", # 25
+    "bad backslash character",  # 26
+    "unterminated string",      # 27
+    "unterminated after \\",    # 28
+    "leading +",                # 29
+    "decimal with no digits",   # 30
+    "minus with no digits",     # 31
+    "leading zero",             # 32
+    "leading zero negative",    # 33
+    "premature end after u",    # 34
+    "bad hex digit",            # 35
+    "parser depth exceeded",    # 36
+    "stray low surrogate",      # 37
+    "high high surrogate",      # 38
+    "dangling high surrogate",  # 39
+    "duplicate dictionary key", # 40
+    );
+
+my $i = 0;
+foreach my $d (@bad)
+{
+    ++$i;
+    my $n = sprintf("%02d", $i);
+    $td->runtest("$n: $d",
+                 {$td->COMMAND => "json_parse bad-$n.json"},
+                 {$td->FILE => "bad-$n.out", $td->EXIT_STATUS => 2},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+cleanup();
+
+$td->report((3 * $good) + scalar(@bad));
+
+sub cleanup
+{
+    unlink "out.json";
+}
+
+sub normalize_json
+{
+    my $file = shift;
+    open(F, "<$file") or die "can't open $file: $file: $!\n";
+    $/ = undef;
+    my $encoded = scalar(<F>);
+    close(F);
+    my $j = JSON->new->allow_nonref;
+    $j->canonical();
+    $j->utf8->pretty->encode($j->utf8->decode($encoded));
+}

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@@ -0,0 +1,1 @@
+{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":{"a":}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
\ No newline at end of file

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_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/json_parse/save-11.json Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger.test Added

@@ -0,0 +1,45 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+chdir("logger") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('logger');
+
+cleanup();
+
+$td->runtest("logger",
+             {$td->COMMAND => "logger >stdout 2>stderr"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check stdout",
+             {$td->FILE => "stdout"},
+             {$td->FILE => "exp-stdout"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check stderr",
+             {$td->FILE => "stderr"},
+             {$td->FILE => "exp-stderr"},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("logger C API",
+             {$td->COMMAND => "logger_c >stdout 2>stderr"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+foreach my $f (qw(stdout stderr info warn error save save2))
+{
+    $td->runtest("check $f (C)",
+                 {$td->FILE => "$f"},
+                 {$td->FILE => "c-exp-$f"},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+cleanup();
+$td->report(11);
+
+sub cleanup
+{
+    unlink "stdout", "stderr", "info", "warn", "error", "save", "save2";
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/2pages.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/attach.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/c-exp-error Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/c-exp-info Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/c-exp-save Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/c-exp-save2 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/c-exp-stderr Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/c-exp-stdout Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/c-exp-warn Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/exp-stderr Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/exp-stdout Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/normal.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/logger/warning.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/lzw.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/lzw.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/matrix.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/matrix.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/md5.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/md5.test Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/nntree Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/nntree.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/nntree/nntree.out Added

@@ -0,0 +1,173 @@
+bsearch tests passed
+--- forward ---
+000000 -> (val 000000)
+000010 -> (val 000010)
+000020 -> (val 000020)
+000030 -> (val 000030)
+000040 -> (val 000040)
+000050 -> (val 000050)
+000060 -> (val 000060)
+000070 -> (val 000070)
+000080 -> (val 000080)
+000090 -> (val 000090)
+000100 -> (val 000100)
+000110 -> (val 000110)
+000120 -> (val 000120)
+000130 -> (val 000130)
+000140 -> (val 000140)
+000150 -> (val 000150)
+000160 -> (val 000160)
+000170 -> (val 000170)
+000180 -> (val 000180)
+000190 -> (val 000190)
+000200 -> (val 000200)
+000210 -> (val 000210)
+000220 -> (val 000220)
+000230 -> (val 000230)
+000240 -> (val 000240)
+000250 -> (val 000250)
+000260 -> (val 000260)
+000270 -> (val 000270)
+000280 -> (val 000280)
+000290 -> (val 000290)
+000300 -> (val 000300)
+000310 -> (val 000310)
+000320 -> (val 000320)
+000330 -> (val 000330)
+000340 -> (val 000340)
+000350 -> (val 000350)
+000360 -> (val 000360)
+000370 -> (val 000370)
+000380 -> (val 000380)
+000390 -> (val 000390)
+000400 -> (val 000400)
+000410 -> (val 000410)
+000420 -> (val 000420)
+000430 -> (val 000430)
+000440 -> (val 000440)
+000450 -> (val 000450)
+000460 -> (val 000460)
+000470 -> (val 000470)
+000480 -> (val 000480)
+000490 -> (val 000490)
+000500 -> (val 000500)
+000510 -> (val 000510)
+000520 -> (val 000520)
+000530 -> (val 000530)
+000540 -> (val 000540)
+000550 -> (val 000550)
+000560 -> (val 000560)
+000570 -> (val 000570)
+000580 -> (val 000580)
+000590 -> (val 000590)
+000600 -> (val 000600)
+000610 -> (val 000610)
+000620 -> (val 000620)
+000630 -> (val 000630)
+000640 -> (val 000640)
+000650 -> (val 000650)
+000660 -> (val 000660)
+000670 -> (val 000670)
+000680 -> (val 000680)
+000690 -> (val 000690)
+000700 -> (val 000700)
+000710 -> (val 000710)
+000720 -> (val 000720)
+000730 -> (val 000730)
+000740 -> (val 000740)
+000750 -> (val 000750)
+000760 -> (val 000760)
+000770 -> (val 000770)
+000780 -> (val 000780)
+000790 -> (val 000790)
+000800 -> (val 000800)
+--- backward ---
+000800 -> (val 000800)
+000790 -> (val 000790)
+000780 -> (val 000780)
+000770 -> (val 000770)
+000760 -> (val 000760)
+000750 -> (val 000750)
+000740 -> (val 000740)
+000730 -> (val 000730)
+000720 -> (val 000720)
+000710 -> (val 000710)
+000700 -> (val 000700)
+000690 -> (val 000690)
+000680 -> (val 000680)
+000670 -> (val 000670)
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+000640 -> (val 000640)
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+000620 -> (val 000620)
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+000600 -> (val 000600)
+000590 -> (val 000590)
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+000520 -> (val 000520)
+000510 -> (val 000510)
+000500 -> (val 000500)
+000490 -> (val 000490)
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+000440 -> (val 000440)
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+000400 -> (val 000400)
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+000370 -> (val 000370)
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+000340 -> (val 000340)
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+000300 -> (val 000300)
+000290 -> (val 000290)
+000280 -> (val 000280)
+000270 -> (val 000270)
+000260 -> (val 000260)
+000250 -> (val 000250)
+000240 -> (val 000240)
+000230 -> (val 000230)
+000220 -> (val 000220)
+000210 -> (val 000210)
+000200 -> (val 000200)
+000190 -> (val 000190)
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+000100 -> (val 000100)
+000090 -> (val 000090)
+000080 -> (val 000080)
+000070 -> (val 000070)
+000060 -> (val 000060)
+000050 -> (val 000050)
+000040 -> (val 000040)
+000030 -> (val 000030)
+000020 -> (val 000020)
+000010 -> (val 000010)
+000000 -> (val 000000)
+find 000300 (0): 000300 -> (val 000300)
+find 000305 (1): 000300 -> (val 000300)
+find 000305 (0): not found
+find 00000 (0): not found
+find 00000 (1): not found
+find 000800 (0): 000800 -> (val 000800)
+find 000805 (0): not found
+find 000805 (1): 000800 -> (val 000800)

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/numrange.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/numrange.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/ph.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/ph.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/ph/ph.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/ph/ph.out Changed

@@ -1,17 +1,80 @@
 hello
 created Object, id 1
+oh1 refcount = 1
+oh1 refcount = 2
+oh2 refcount = 2
 created Object, id 2
+oh5 refcount = 1
 nulls equal
 destroyed Object, id 2
 equal okay
 less than okay
 created Object, id 3
+created Object, id 4
+calling Object::hello const for 4
+destroyed Object, id 4
+calling Object::hello for 1
+calling Object::hello for 1
+calling Object::hello for 1
+calling Object::hello for 1
 calling Object::hello for 1
 calling Object::hello for 1
 calling Object::hello for 1
 calling Object::hello const for 1
 calling Object::hello const for 1
-calling Object::hello const for 1
+array
+created Object, id 5
+created Object, id 6
 goodbye
+destroyed Object, id 6
+destroyed Object, id 5
 destroyed Object, id 3
 destroyed Object, id 1
+compat
+created Object, id 7
+created Object, id 8
+created Object, id 9
+created Object, id 10
+calling Object::hello for 7
+calling Object::hello for 8
+calling Object::hello for 9
+calling Object::hello for 10
+created Object, id 11
+created Object, id 12
+created Object, id 13
+created Object, id 14
+calling Object::hello const for 11
+calling Object::hello const for 12
+calling Object::hello const for 13
+calling Object::hello const for 14
+initialize ph array from shared_ptr
+created Object, id 15
+created Object, id 16
+delete ph array
+destroyed Object, id 16
+destroyed Object, id 15
+initialize sp array from PointerHolder
+created Object, id 17
+created Object, id 18
+delete sp array
+destroyed Object, id 18
+destroyed Object, id 17
+end compat
+destroyed Object, id 14
+destroyed Object, id 13
+destroyed Object, id 12
+destroyed Object, id 11
+destroyed Object, id 10
+destroyed Object, id 9
+destroyed Object, id 8
+destroyed Object, id 7
+containers
+created Object, id 19
+created Object, id 20
+created Object, id 21
+created Object, id 22
+end containers
+destroyed Object, id 21
+destroyed Object, id 22
+destroyed Object, id 19
+destroyed Object, id 20

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/pl_function Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/pl_function.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/pl_function/exp Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/predictors.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/predictors.test Changed

@@ -14,44 +14,44 @@
 cleanup();
 
 $td->runtest("decode columns = 4",
-	     {$td->COMMAND => "predictors png decode in1 4 1 8"},
-	     {$td->STRING => "done\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "predictors png decode in1 4 1 8"},
+             {$td->STRING => "done\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("check output",
-	     {$td->FILE => "out"},
-	     {$td->FILE => "out1"});
+             {$td->FILE => "out"},
+             {$td->FILE => "out1"});
 
 $td->runtest("decode columns = 5",
-	     {$td->COMMAND => "predictors png decode in2 5 1 8"},
-	     {$td->STRING => "done\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "predictors png decode in2 5 1 8"},
+             {$td->STRING => "done\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("check output",
-	     {$td->FILE => "out"},
-	     {$td->FILE => "out2"});
+             {$td->FILE => "out"},
+             {$td->FILE => "out2"});
 
 $td->runtest("encode columns = 4",
-	     {$td->COMMAND => "predictors png encode out1 4 1 8"},
-	     {$td->STRING => "done\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "predictors png encode out1 4 1 8"},
+             {$td->STRING => "done\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("check output",
-	     {$td->FILE => "out"},
-	     {$td->FILE => "in1"});
+             {$td->FILE => "out"},
+             {$td->FILE => "in1"});
 
 $td->runtest("encode columns = 5",
-	     {$td->COMMAND => "predictors png encode out2 5 1 8"},
-	     {$td->STRING => "done\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "predictors png encode out2 5 1 8"},
+             {$td->STRING => "done\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
 
 $td->runtest("check output",
-	     {$td->FILE => "out"},
-	     {$td->FILE => "in2"});
+             {$td->FILE => "out"},
+             {$td->FILE => "in2"});
 
 my @other_png = (
     '01--32-3-16',

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/qintc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/qintc.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/qintc/qintc.out Added

@@ -0,0 +1,37 @@
+QIntC::to_int<int32_t>(i1): -1153374643 -1153374643 PASSED
+QIntC::to_uint<uint32_t>(u1): 3141592653 3141592653 PASSED
+QIntC::to_int<uint32_t>(u1): integer out of range converting 3141592653 from a 4-byte unsigned type to a 4-byte signed type PASSED
+QIntC::to_uint<int32_t>(i1): integer out of range converting -1153374643 from a 4-byte signed type to a 4-byte unsigned type PASSED
+QIntC::to_int<uint64_t>(ul1): integer out of range converting 1099511627776 from a 8-byte unsigned type to a 4-byte signed type PASSED
+QIntC::to_int<uint64_t>(ul2): 12345 12345 PASSED
+QIntC::to_uint<uint64_t>(ul2): 12345 12345 PASSED
+QIntC::to_offset<uint32_t>(u1): 3141592653 3141592653 PASSED
+QIntC::to_offset<int32_t>(i1): -1153374643 -1153374643 PASSED
+QIntC::to_ulonglong<int32_t>(i1): integer out of range converting -1153374643 from a 4-byte signed type to a 8-byte unsigned type PASSED
+QIntC::to_char<int32_t>(i2): 81 Q PASSED
+QIntC::to_uchar<int32_t>(i2): 81 Q PASSED
+QIntC::to_uchar<signed char>(c1): integer out of range converting ÷ from a 1-byte signed type to a 1-byte unsigned type PASSED
+QIntC::to_uchar<char>(c2): W W PASSED
+QIntC::to_char<char>(c2): W W PASSED
+1 + 2: okay PASSED
+-1 + 2: okay PASSED
+-100 + -200: okay PASSED
+max_ll + 0LL: okay PASSED
+max_ll + 1LL: adding 1 to 9223372036854775807 would cause an integer overflow PASSED
+max_ll + 0LL: okay PASSED
+max_ll + 1LL: adding 1 to 9223372036854775807 would cause an integer overflow PASSED
+max_ull + 0ULL: okay PASSED
+max_ull + 1ULL: adding 1 to 18446744073709551615 would cause an integer overflow PASSED
+min_ll + 0LL: okay PASSED
+min_ll + -1LL: adding -1 to -9223372036854775808 would cause an integer underflow PASSED
+max_sc + max_sc: adding &#x7f; to &#x7f; would cause an integer overflow PASSED
+'!' + '#': okay PASSED
+1 - 2: okay PASSED
+-1 - -2: okay PASSED
+1 - 10: okay PASSED
+-1 - -10: okay PASSED
+0LL - min_ll: subtracting -9223372036854775808 from 0 would cause an integer overflow PASSED
+1LL - min_ll: subtracting -9223372036854775808 from 1 would cause an integer overflow PASSED
+0LL - max_ll: okay PASSED
+-1LL - max_ll: okay PASSED
+-2LL - max_ll: subtracting 9223372036854775807 from -2 would cause an integer underflow PASSED

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/qutil.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/qutil.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/qutil/qutil.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/qutil/qutil.out Changed

@@ -9,20 +9,34 @@
 0.00012
 0.12346
 0.00012
+1.0102
+1
+1
+1.00000
+10.00
+10
 16059
 37273
 3ebb
+5000093552
 one
 7
 compare okay
+compare okay
+compare okay
 -2147483648 to int: PASSED
 2147483647 to int: PASSED
-2147483648 to int threw: PASSED
--2147483649 to int threw: PASSED
-9999999999999999999999999 to int threw: PASSED
+2147483648 to int threw (integer out of range converting 2147483648 from a 8-byte signed type to a 4-byte signed type): PASSED
+-2147483649 to int threw (integer out of range converting -2147483649 from a 8-byte signed type to a 4-byte signed type): PASSED
+9999999999999999999999999 to int threw (overflow/underflow converting 9999999999999999999999999 to 64-bit integer): PASSED
 2147483648 to int: PASSED
 -2147483649 to int: PASSED
-99999999999999999999999999999999999999999999999999 to int threw: PASSED
+99999999999999999999999999999999999999999999999999 to int threw (overflow/underflow converting 99999999999999999999999999999999999999999999999999 to 64-bit integer): PASSED
+16059 to int: PASSED
+-16059 to int threw (underflow converting -16059 to 64-bit unsigned integer): PASSED
+9999999999 to int threw (integer out of range converting 9999999999 from a 8-byte unsigned type to a 4-byte unsigned type): PASSED
+16059 to int: PASSED
+-16059 to int threw (underflow converting -16059 to 64-bit unsigned integer): PASSED
 ---- os wrapper
 before remove
 exception: remove file: No such file or directory
@@ -47,6 +61,9 @@
 0xdead -> ff fd
 0x7fffffff -> ff fd
 0x80000000 -> ff fd
+π
+π
+LE: π
 ---- utf8_to_ascii
 ¿Does π have fingers?
 ?Does ? have fingers?
@@ -55,6 +72,7 @@
 <c0>Does * have fingers?
 ---- transcoding
 bidirectional pdf doc done
+bidirectional pdf doc low done
 bidirectional win ansi done
 bidirectional mac roman done
 analysis done
@@ -71,6 +89,9 @@
 2: 83a9e99e
 0: 717561636b
 done alternatives
+w˘wˇwˆw˙w˝w˛w˚w˜w�w�w�w
+w?w?w?w?w?w?w?w?w?w?w?w
+done other characters
 ---- whoami
 quack1
 quack2
@@ -83,10 +104,35 @@
 file1: -qutil.out-, file2: --; same: 0: PASS
 file1: -qutil.out-, file2: -(null)-; same: 0: PASS
 file1: --, file2: -qutil.out-; same: 0: PASS
----- lines from file
+---- path
+//// -> /
+a/b/cdef -> cdef
+a/b/cdef/ -> cdef
+/ -> /
+ -> 
+quack -> quack
+---- read from file
 This file is used for qutil testing.
 It has mixed newlines.
 Some lines are very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very 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very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very long.
+read 24652 bytes
 ---- hex encode/decode
 begin hex encode/decode
 end hex encode/decode
+---- rename/delete
+create file
+rename file
+create file
+rename over existing
+delete file
+---- timestamp
+D:20210209144925-05'00'
+2021-02-09T14:49:25-05:00
+D:20210210011925+05'30'
+2021-02-10T01:19:25+05:30
+D:20210209191925Z
+2021-02-09T19:19:25Z
+---- is_long_long
+done
+---- memory usage
+memory usage okay

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/qutil/wmain.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/random.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/random.test Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/rc4.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/rc4.test Changed

@@ -9,35 +9,60 @@
 
 my $td = new TestDriver('RC4');
 
-cleanup();
-
+my @providers = ();
+if (exists $ENV{'QPDF_CRYPTO_PROVIDER'})
+{
+    push(@providers, $ENV{'QPDF_CRYPTO_PROVIDER'});
+}
+else
+{
+    open(Q, "qpdf --show-crypto|") or die;
+    while (<Q>)
+    {
+        s/\s+$//s;
+        push(@providers, $_);
+    }
+    close(Q);
+}
 my @tests = ('0123456789abcdef',
-	     '0123456789abcdef',
-	     '0000000000000000',
-	     'ef012345',
-	     '0123456789abcdef');
+             '0123456789abcdef',
+             '0000000000000000',
+             'ef012345',
+             '0123456789abcdef');
 
-my $n = 0;
-foreach my $key (@tests)
+foreach my $p (@providers)
 {
-    ++$n;
-    $td->runtest("test $n",
-		 {$td->COMMAND => "rc4 $key test$n.in tmp1-$n.out"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("check output",
-		 {$td->FILE => "tmp1-$n.out"},
-		 {$td->FILE => "test$n.out"});
-    $td->runtest("test $n reverse",
-		 {$td->COMMAND => "rc4 $key test$n.out tmp2-$n.out"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("check output",
-		 {$td->FILE => "tmp2-$n.out"},
-		 {$td->FILE => "test$n.in"});
-}
+    $ENV{'QPDF_CRYPTO_PROVIDER'} = $p;
+
+    cleanup();
+
+    my $n = 0;
+    foreach my $key (@tests)
+    {
+        ++$n;
+        $td->runtest("test $n ($p)",
+                     {$td->COMMAND => "rc4 $key test$n.in tmp1-$n.out"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        $td->runtest("check output",
+                     {$td->FILE => "tmp1-$n.out"},
+                     {$td->FILE => "test$n.out"});
+        $td->runtest("test $n reverse ($p)",
+                     {$td->COMMAND => "rc4 $key test$n.out tmp2-$n.out"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        $td->runtest("check output",
+                     {$td->FILE => "tmp2-$n.out"},
+                     {$td->FILE => "test$n.in"});
+    }
 
-cleanup();
+    $td->runtest("other tests ($p)",
+                 {$td->COMMAND => "rc4 other"},
+                 {$td->STRING => "passed\n", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+
+    cleanup();
+}
 
-$td->report(4 * scalar(@tests));
+$td->report((1 + (4 * scalar(@tests))) * scalar(@providers));
 
 sub cleanup
 {

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qtest/sha2.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/sha2.test Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/sparse_array.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qtest/version.test Added

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/qutil.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/qutil.cc Changed

@@ -1,14 +1,17 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/QPDFSystemError.hh>
+#include <qpdf/QUtil.hh>
+#include <fcntl.h>
+#include <fstream>
 #include <iostream>
+#include <limits.h>
+#include <locale>
 #include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <qpdf/QUtil.hh>
-#include <qpdf/PointerHolder.hh>
-#include <qpdf/QPDFSystemError.hh>
 #include <string.h>
-#include <limits.h>
-#include <assert.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 
 #ifdef _WIN32
 # include <io.h>
@@ -17,71 +20,110 @@
 #endif
 
 template <class int_T>
-void test_to_number(char const* str, int_T wanted, bool error,
-                    int_T (*fn)(char const*))
+void
+test_to_number(
+    char const* str, int_T wanted, bool error, int_T (*fn)(char const*))
 {
     bool threw = false;
     bool worked = false;
     int_T result = 0;
-    try
-    {
+    std::string msg;
+    try {
         result = fn(str);
         worked = (wanted == result);
-    }
-    catch (std::runtime_error const&)
-    {
+    } catch (std::runtime_error const& e) {
         threw = true;
+        msg = e.what();
     }
-    if (threw)
-    {
-        if (error)
-        {
-            std::cout << str << " to int threw: PASSED" << std::endl;
-        }
-        else
-        {
-            std::cout << str << " to int threw but wanted "
-                      << wanted << std::endl;
+    if (threw) {
+        if (error) {
+            std::cout << str << " to int threw (" << msg << "): PASSED"
+                      << std::endl;
+        } else {
+            std::cout << str << " to int threw but wanted " << wanted
+                      << std::endl;
         }
-    }
-    else
-    {
-        if (worked)
-        {
+    } else {
+        if (worked) {
             std::cout << str << " to int: PASSED" << std::endl;
-        }
-        else
-        {
+        } else {
             std::cout << str << " to int failed; got " << result << std::endl;
         }
     }
 }
 
-void test_to_int(char const* str, int wanted, bool error)
+void
+test_to_int(char const* str, int wanted, bool error)
 {
     test_to_number(str, wanted, error, QUtil::string_to_int);
 }
 
-void test_to_ll(char const* str, long long wanted, bool error)
+void
+test_to_ll(char const* str, long long wanted, bool error)
 {
     test_to_number(str, wanted, error, QUtil::string_to_ll);
 }
 
-void string_conversion_test()
+void
+test_to_uint(char const* str, unsigned int wanted, bool error)
+{
+    test_to_number(str, wanted, error, QUtil::string_to_uint);
+}
+
+void
+test_to_ull(char const* str, unsigned long long wanted, bool error)
 {
+    test_to_number(str, wanted, error, QUtil::string_to_ull);
+}
+
+static void
+set_locale()
+{
+    try {
+        // First try a locale known to put commas in numbers.
+        std::locale::global(std::locale("en_US.UTF-8"));
+    } catch (std::runtime_error&) {
+        try {
+            // If that fails, fall back to the user's default locale.
+            std::locale::global(std::locale(""));
+        } catch (std::runtime_error& e) {
+            // Ignore this error on Windows without MSVC. We get
+            // enough test coverage on other platforms, and mingw
+            // seems to have limited locale support (as of
+            // 2020-10).
+#if !defined(_WIN32) || defined(_MSC_VER)
+            throw e;
+#endif
+        }
+    }
+}
+
+void
+string_conversion_test()
+{
+    // Make sure the code produces consistent results even if we load
+    // a non-C locale.
+    set_locale();
     std::cout << QUtil::int_to_string(16059) << std::endl
-	      << QUtil::int_to_string(16059, 7) << std::endl
-	      << QUtil::int_to_string(16059, -7) << std::endl
-	      << QUtil::double_to_string(3.14159) << std::endl
-	      << QUtil::double_to_string(3.14159, 3) << std::endl
-	      << QUtil::double_to_string(1000.123, -1024) << std::endl
-              << QUtil::double_to_string(.1234, 5) << std::endl
+              << QUtil::int_to_string(16059, 7) << std::endl
+              << QUtil::int_to_string(16059, -7) << std::endl
+              << QUtil::double_to_string(3.14159, 0, false) << std::endl
+              << QUtil::double_to_string(3.14159, 3) << std::endl
+              << QUtil::double_to_string(1000.123, -1024, false) << std::endl
+              << QUtil::double_to_string(.1234, 5, false) << std::endl
               << QUtil::double_to_string(.0001234, 5) << std::endl
               << QUtil::double_to_string(.123456, 5) << std::endl
               << QUtil::double_to_string(.000123456, 5) << std::endl
+              << QUtil::double_to_string(1.01020, 5, true) << std::endl
+              << QUtil::double_to_string(1.00000, 5, true) << std::endl
+              << QUtil::double_to_string(1, 5, true) << std::endl
+              << QUtil::double_to_string(1, 5, false) << std::endl
+              << QUtil::double_to_string(10, 2, false) << std::endl
+              << QUtil::double_to_string(10, 2, true) << std::endl
               << QUtil::int_to_string_base(16059, 10) << std::endl
               << QUtil::int_to_string_base(16059, 8) << std::endl
-              << QUtil::int_to_string_base(16059, 16) << std::endl;
+              << QUtil::int_to_string_base(16059, 16) << std::endl
+              << QUtil::int_to_string_base(5000093552LL, 10) << std::endl;
 
     std::string embedded_null = "one";
     embedded_null += '\0';
@@ -89,15 +131,25 @@
     std::cout << embedded_null.c_str() << std::endl;
     std::cout << embedded_null.length() << std::endl;
     char* tmp = QUtil::copy_string(embedded_null);
-    if (memcmp(tmp, embedded_null.c_str(), 7) == 0)
-    {
-	std::cout << "compare okay" << std::endl;
+    if (memcmp(tmp, embedded_null.c_str(), 7) == 0) {
+        std::cout << "compare okay" << std::endl;
+    } else {
+        std::cout << "compare failed" << std::endl;
     }
-    else
-    {
-	std::cout << "compare failed" << std::endl;
+    delete tmp;
+    // Also test with make_shared_cstr and make_unique_cstr
+    auto tmp2 = QUtil::make_shared_cstr(embedded_null);
+    if (memcmp(tmp2.get(), embedded_null.c_str(), 7) == 0) {
+        std::cout << "compare okay" << std::endl;
+    } else {
+        std::cout << "compare failed" << std::endl;
+    }
+    auto tmp3 = QUtil::make_unique_cstr(embedded_null);
+    if (memcmp(tmp3.get(), embedded_null.c_str(), 7) == 0) {
+        std::cout << "compare okay" << std::endl;
+    } else {
+        std::cout << "compare failed" << std::endl;
     }
-    delete  tmp;
 
     std::string int_max_str = QUtil::int_to_string(INT_MAX);
     std::string int_min_str = QUtil::int_to_string(INT_MIN);
@@ -105,6 +157,8 @@
     long long int_min_minus_1 = static_cast<long long>(INT_MIN) - 1;
     std::string int_max_plus_1_str = QUtil::int_to_string(int_max_plus_1);
     std::string int_min_minus_1_str = QUtil::int_to_string(int_min_minus_1);
+    std::string small_positive = QUtil::uint_to_string(16059U);
+    std::string small_negative = QUtil::int_to_string(-16059);
     test_to_int(int_min_str.c_str(), INT_MIN, false);
     test_to_int(int_max_str.c_str(), INT_MAX, false);
     test_to_int(int_max_plus_1_str.c_str(), 0, true);
@@ -113,103 +167,134 @@
     test_to_ll(int_max_plus_1_str.c_str(), int_max_plus_1, false);
     test_to_ll(int_min_minus_1_str.c_str(), int_min_minus_1, false);
     test_to_ll("99999999999999999999999999999999999999999999999999", 0, true);
+    test_to_uint(small_positive.c_str(), 16059U, false);
+    test_to_uint(small_negative.c_str(), 0, true);
+    test_to_uint("9999999999", 0, true);
+    test_to_ull(small_positive.c_str(), 16059U, false);
+    test_to_ull(small_negative.c_str(), 0, true);
 }
 
-void os_wrapper_test()
+void
+os_wrapper_test()
 {
-    try
-    {
-	std::cout << "before remove" << std::endl;
-	QUtil::os_wrapper("remove file",
-                          remove("/this/file/does/not/exist"));
-	std::cout << "after remove" << std::endl;
-    }
-    catch (std::runtime_error& s)
-    {
-	std::cout << "exception: " << s.what() << std::endl;
+    try {
+        std::cout << "before remove" << std::endl;
+        QUtil::os_wrapper("remove file", remove("/this/file/does/not/exist"));
+        std::cout << "after remove" << std::endl;
+    } catch (std::runtime_error& s) {
+        std::cout << "exception: " << s.what() << std::endl;
     }
 }
 
-void fopen_wrapper_test()
+void
+fopen_wrapper_test()
 {
-    try
-    {
-	std::cout << "before fopen" << std::endl;
-	FILE* f = QUtil::safe_fopen("/this/file/does/not/exist", "r");
-	std::cout << "after fopen" << std::endl;
-	(void) fclose(f);
-    }
-    catch (QPDFSystemError& s)
-    {
-	std::cout << "exception: " << s.what() << std::endl;
+    try {
+        std::cout << "before fopen" << std::endl;
+        FILE* f = QUtil::safe_fopen("/this/file/does/not/exist", "r");
+        std::cout << "after fopen" << std::endl;
+        (void)fclose(f);
+    } catch (QPDFSystemError& s) {
+        std::cout << "exception: " << s.what() << std::endl;
         assert(s.getErrno() != 0);
     }
+
+    assert(QUtil::file_can_be_opened("qutil.out"));
+    assert(!QUtil::file_can_be_opened("/does/not/exist"));
 }
 
-void getenv_test()
+void
+getenv_test()
 {
     std::string val;
     std::cout << "IN_TESTSUITE: " << QUtil::get_env("IN_TESTSUITE", &val)
-	      << ": " << val << std::endl;
+              << ": " << val << std::endl;
     // Hopefully this environment variable is not defined.
     std::cout << "HAGOOGAMAGOOGLE: " << QUtil::get_env("HAGOOGAMAGOOGLE")
-	      << std::endl;
+              << std::endl;
 }
 
-static void print_utf8(unsigned long val)
+static void
+print_utf8(unsigned long val)
 {
     std::string result = QUtil::toUTF8(val);
-    std::cout << "0x" << QUtil::int_to_string_base(val, 16) << " ->";
-    if (val < 0xfffe)
-    {
-	std::cout << " " << result;
-    }
-    else
-    {
-	// Emacs has trouble with utf-8 encoding files with characters
-	// outside the 16-bit portion, so just show the character
-	// values.
-	for (std::string::iterator iter = result.begin();
-	     iter != result.end(); ++iter)
-	{
-	    std::cout << " " << QUtil::int_to_string_base(
-                static_cast<int>(static_cast<unsigned char>(*iter)), 16, 2);
-	}
+    std::cout << "0x" << QUtil::uint_to_string_base(val, 16) << " ->";
+    if (val < 0xfffe) {
+        std::cout << " " << result;
+    } else {
+        // Emacs has trouble with utf-8 encoding files with characters
+        // outside the 16-bit portion, so just show the character
+        // values.
+        for (auto const& ch: result) {
+            std::cout << " "
+                      << QUtil::int_to_string_base(
+                             static_cast<int>(static_cast<unsigned char>(ch)),
+                             16,
+                             2);
+        }
     }
     std::cout << std::endl;
+
+    // Boundary conditions for QUtil::get_next_utf8_codepoint, which is
+    // also tested indirectly through test_pdf_unicode.cc.
+    std::string utf8 = "\xcf\x80\xcf\x30\xEF\xBF\x30\x31\xcf";
+    size_t pos = 0;
+    bool error = false;
+    assert(QUtil::get_next_utf8_codepoint(utf8, pos, error) == 0x3c0);
+    assert(pos == 2);
+    assert(!error);
+    assert(QUtil::get_next_utf8_codepoint(utf8, pos, error) == 0xfffd);
+    assert(pos == 3);
+    assert(error);
+    assert(QUtil::get_next_utf8_codepoint(utf8, pos, error) == 0x30);
+    assert(pos == 4);
+    assert(!error);
+    assert(QUtil::get_next_utf8_codepoint(utf8, pos, error) == 0xfffd);
+    assert(pos == 6);
+    assert(error);
+    assert(QUtil::get_next_utf8_codepoint(utf8, pos, error) == 0x30);
+    assert(pos == 7);
+    assert(!error);
+    assert(QUtil::get_next_utf8_codepoint(utf8, pos, error) == 0x31);
+    assert(pos == 8);
+    assert(!error);
+    assert(QUtil::get_next_utf8_codepoint(utf8, pos, error) == 0xfffd);
+    assert(pos == 9);
+    assert(error);
 }
 
-void to_utf8_test()
+void
+to_utf8_test()
 {
     print_utf8(0x41UL);
     print_utf8(0xF7UL);
     print_utf8(0x3c0UL);
     print_utf8(0x16059UL);
     print_utf8(0x7fffffffUL);
-    try
-    {
-	print_utf8(0x80000000UL);
-    }
-    catch (std::runtime_error& e)
-    {
-	std::cout << "0x80000000: " << e.what() << std::endl;
+    try {
+        print_utf8(0x80000000UL);
+    } catch (std::runtime_error& e) {
+        std::cout << "0x80000000: " << e.what() << std::endl;
     }
 }
 
-static void print_utf16(unsigned long val)
+static void
+print_utf16(unsigned long val)
 {
     std::string result = QUtil::toUTF16(val);
-    std::cout << "0x" << QUtil::int_to_string_base(val, 16) << " ->";
-    for (std::string::iterator iter = result.begin();
-         iter != result.end(); ++iter)
-    {
-        std::cout << " " << QUtil::int_to_string_base(
-            static_cast<int>(static_cast<unsigned char>(*iter)), 16, 2);
+    std::cout << "0x" << QUtil::uint_to_string_base(val, 16) << " ->";
+    for (auto const& ch: result) {
+        std::cout << " "
+                  << QUtil::int_to_string_base(
+                         static_cast<int>(static_cast<unsigned char>(ch)),
+                         16,
+                         2);
     }
     std::cout << std::endl;
 }
 
-void to_utf16_test()
+void
+to_utf16_test()
 {
     print_utf16(0x41UL);
     print_utf16(0xF7UL);
@@ -218,127 +303,150 @@
     print_utf16(0xdeadUL);
     print_utf16(0x7fffffffUL);
     print_utf16(0x80000000UL);
+
+    std::string s(QUtil::utf8_to_utf16("\xcf\x80"));
+    std::cout << QUtil::utf16_to_utf8(s) << std::endl;
+    std::cout << QUtil::utf16_to_utf8(s + ".") << std::endl;
+    std::cout << "LE: " << QUtil::utf16_to_utf8("\xff\xfe\xc0\x03")
+              << std::endl;
 }
 
-void utf8_to_ascii_test()
+void
+utf8_to_ascii_test()
 {
     char const* input = "\302\277Does \317\200 have fingers?";
-    std::cout << input
-              << std::endl
-              << QUtil::utf8_to_ascii(input)
-              << std::endl
-              << QUtil::utf8_to_ascii(input, '*')
-              << std::endl;
+    std::cout << input << std::endl
+              << QUtil::utf8_to_ascii(input) << std::endl
+              << QUtil::utf8_to_ascii(input, '*') << std::endl;
     std::string a = QUtil::utf8_to_win_ansi(input, '*');
     std::string b = QUtil::utf8_to_mac_roman(input, '*');
     std::cout
-        << "<" << QUtil::int_to_string_base(
-            static_cast<unsigned char>(a.at(0)), 16, 2)
+        << "<"
+        << QUtil::int_to_string_base(static_cast<unsigned char>(a.at(0)), 16, 2)
         << ">" << a.substr(1) << std::endl
-        << "<" << QUtil::int_to_string_base(
-            static_cast<unsigned char>(b.at(0)), 16, 2)
+        << "<"
+        << QUtil::int_to_string_base(static_cast<unsigned char>(b.at(0)), 16, 2)
         << ">" << b.substr(1) << std::endl;
 }
 
-void transcoding_test(std::string (*to_utf8)(std::string const&),
-                      std::string (*from_utf8)(std::string const&, char),
-                      int last, std::string unknown)
+void
+transcoding_test(
+    std::string (*to_utf8)(std::string const&),
+    std::string (*from_utf8)(std::string const&, char),
+    int first,
+    int last,
+    std::string unknown)
 {
     std::string in(" ");
     std::string out;
     std::string back;
-    for (int i = 128; i <= last; ++i)
-    {
-        in.at(0) = static_cast<unsigned char>(i);
+    for (int i = first; i <= last; ++i) {
+        in.at(0) = static_cast<char>(static_cast<unsigned char>(i));
         out = (*to_utf8)(in);
         std::string wanted = (out == "\xef\xbf\xbd") ? unknown : in;
         back = (*from_utf8)(out, '?');
-        if (back != wanted)
-        {
-            std::cout << i << ": " << in << " -> " << out
-                      << " -> " << back << " (wanted " << wanted << ")"
-                      << std::endl;
+        if (back != wanted) {
+            std::cout << i << ": " << in << " -> " << out << " -> " << back
+                      << " (wanted " << wanted << ")" << std::endl;
         }
     }
 }
 
-void check_analyze(std::string const& str, bool has8bit, bool utf8, bool utf16)
+void
+check_analyze(std::string const& str, bool has8bit, bool utf8, bool utf16)
 {
     bool has_8bit_chars = false;
     bool is_valid_utf8 = false;
     bool is_utf16 = false;
     QUtil::analyze_encoding(str, has_8bit_chars, is_valid_utf8, is_utf16);
-    if (! ((has_8bit_chars == has8bit) &&
-           (is_valid_utf8 == utf8) &&
-           (is_utf16 == utf16)))
-    {
+    if (!((has_8bit_chars == has8bit) && (is_valid_utf8 == utf8) &&
+          (is_utf16 == utf16))) {
         std::cout << "analysis failed: " << str << std::endl;
     }
 }
 
-void print_alternatives(std::string const& str)
+void
+print_alternatives(std::string const& str)
 {
     std::vector<std::string> result = QUtil::possible_repaired_encodings(str);
     size_t n = result.size();
-    for (size_t i = 0; i < n; ++i)
-    {
+    for (size_t i = 0; i < n; ++i) {
         std::cout << i << ": " << QUtil::hex_encode(result.at(i)) << std::endl;
     }
 }
 
-void transcoding_test()
+void
+transcoding_test()
 {
-    transcoding_test(&QUtil::pdf_doc_to_utf8,
-                     &QUtil::utf8_to_pdf_doc, 160, "\x9f");
+    transcoding_test(
+        &QUtil::pdf_doc_to_utf8, &QUtil::utf8_to_pdf_doc, 127, 160, "\x9f");
     std::cout << "bidirectional pdf doc done" << std::endl;
-    transcoding_test(&QUtil::win_ansi_to_utf8,
-                     &QUtil::utf8_to_win_ansi, 160, "?");
+    transcoding_test(
+        &QUtil::pdf_doc_to_utf8, &QUtil::utf8_to_pdf_doc, 24, 31, "?");
+    std::cout << "bidirectional pdf doc low done" << std::endl;
+    transcoding_test(
+        &QUtil::win_ansi_to_utf8, &QUtil::utf8_to_win_ansi, 128, 160, "?");
     std::cout << "bidirectional win ansi done" << std::endl;
-    transcoding_test(&QUtil::mac_roman_to_utf8,
-                     &QUtil::utf8_to_mac_roman, 255, "?");
+    transcoding_test(
+        &QUtil::mac_roman_to_utf8, &QUtil::utf8_to_mac_roman, 128, 255, "?");
     std::cout << "bidirectional mac roman done" << std::endl;
     check_analyze("pi = \317\200", true, true, false);
     check_analyze("pi != \317", true, false, false);
     check_analyze("pi != 22/7", false, false, false);
-    check_analyze(std::string("\xfe\xff\00\x51", 4), true, false, true);
+    check_analyze(std::string("\xfe\xff\x00\x51", 4), true, false, true);
+    check_analyze(std::string("\xff\xfe\x51\x00", 4), true, false, true);
     std::cout << "analysis done" << std::endl;
     std::string input1("a\302\277b");
     std::string input2("a\317\200b");
     std::string input3("ab");
     std::string output;
-    assert(! QUtil::utf8_to_ascii(input1, output));
-    assert(! QUtil::utf8_to_ascii(input2, output));
+    assert(!QUtil::utf8_to_ascii(input1, output));
+    assert(!QUtil::utf8_to_ascii(input2, output));
     assert(QUtil::utf8_to_ascii(input3, output));
     assert(QUtil::utf8_to_win_ansi(input1, output));
-    assert(! QUtil::utf8_to_win_ansi(input2, output));
+    assert(!QUtil::utf8_to_win_ansi(input2, output));
     assert(QUtil::utf8_to_win_ansi(input3, output));
     assert(QUtil::utf8_to_mac_roman(input1, output));
-    assert(! QUtil::utf8_to_mac_roman(input2, output));
+    assert(!QUtil::utf8_to_mac_roman(input2, output));
     assert(QUtil::utf8_to_mac_roman(input3, output));
     assert(QUtil::utf8_to_pdf_doc(input1, output));
-    assert(! QUtil::utf8_to_pdf_doc(input2, output));
+    assert(!QUtil::utf8_to_pdf_doc(input2, output));
     assert(QUtil::utf8_to_pdf_doc(input3, output));
     std::cout << "alternatives" << std::endl;
-    // char	name		mac	win	pdf-doc
-    // U+0192	florin		304	203	206
-    // U+00A9	copyright	251	251	251
-    // U+00E9	eacute		216	351	351
-    // U+017E	zcaron		-	236	236
+    // char     name            mac     win     pdf-doc
+    // U+0192   florin          304     203     206
+    // U+00A9   copyright       251     251     251
+    // U+00E9   eacute          216     351     351
+    // U+017E   zcaron          -       236     236
     std::string pdfdoc = "\206\251\351\236";
     std::string utf8 = QUtil::pdf_doc_to_utf8(pdfdoc);
     print_alternatives(pdfdoc);
     print_alternatives(utf8);
     print_alternatives("quack");
     std::cout << "done alternatives" << std::endl;
+    // These are characters are either valid in PDFDoc and invalid in
+    // UTF-8 or the other way around.
+    std::string other("w\x18w\x19w\x1aw\x1bw\x1cw\x1dw\x1ew\x1fw\x7fw");
+    // cSpell: ignore xadw
+    std::string other_doc = other + "\x9fw\xadw";
+    std::cout << QUtil::pdf_doc_to_utf8(other_doc) << std::endl;
+    std::string other_utf8 =
+        other + QUtil::toUTF8(0x9f) + "w" + QUtil::toUTF8(0xad) + "w";
+    std::string other_to_utf8;
+    assert(!QUtil::utf8_to_pdf_doc(other_utf8, other_to_utf8));
+    std::cout << other_to_utf8 << std::endl;
+    std::cout << "done other characters" << std::endl;
 }
 
-void print_whoami(char const* str)
+void
+print_whoami(char const* str)
 {
-    PointerHolder<char> dup(true, QUtil::copy_string(str));
-    std::cout << QUtil::getWhoami(dup.getPointer()) << std::endl;
+    auto dup = QUtil::make_unique_cstr(str);
+    std::cout << QUtil::getWhoami(dup.get()) << std::endl;
 }
 
-void get_whoami_test()
+void
+get_whoami_test()
 {
     print_whoami("a/b/c/quack1");
     print_whoami("a/b/c/quack2.exe");
@@ -346,26 +454,24 @@
     print_whoami("a\\b\\c\\quack4.exe");
 }
 
-void assert_same_file(char const* file1, char const* file2, bool expected)
+void
+assert_same_file(char const* file1, char const* file2, bool expected)
 {
     bool actual = QUtil::same_file(file1, file2);
     std::cout << "file1: -" << (file1 ? file1 : "(null)") << "-, file2: -"
-              << (file2 ? file2 : "(null)") << "-; same: "
-              << actual << ": " << ((actual == expected) ? "PASS" : "FAIL")
-              << std::endl;
+              << (file2 ? file2 : "(null)") << "-; same: " << actual << ": "
+              << ((actual == expected) ? "PASS" : "FAIL") << std::endl;
 }
 
-void same_file_test()
+void
+same_file_test()
 {
-    try
-    {
+    try {
         fclose(QUtil::safe_fopen("qutil.out", "r"));
         fclose(QUtil::safe_fopen("other-file", "r"));
-    }
-    catch (std::exception const&)
-    {
+    } catch (std::exception const&) {
         std::cout << "same_file_test expects to have qutil.out and other-file"
-            " exist in the current directory\n";
+                     " exist in the current directory\n";
         return;
     }
     assert_same_file("qutil.out", "./qutil.out", true);
@@ -376,46 +482,115 @@
     assert_same_file("", "qutil.out", false);
 }
 
-void read_lines_from_file_test()
+void
+path_test()
+{
+    auto check = (bool print, std::string const& a, std::string const& b) {
+        auto result = QUtil::path_basename(a);
+        if (print) {
+            std::cout << a << " -> " << result << std::endl;
+        }
+        assert(result == b);
+    };
+
+#ifdef _WIN32
+    check(false, "asdf\\qwer", "qwer");
+    check(false, "asdf\\qwer/\\", "qwer");
+#endif
+    check(true, "////", "/");
+    check(true, "a/b/cdef", "cdef");
+    check(true, "a/b/cdef/", "cdef");
+    check(true, "/", "/");
+    check(true, "", "");
+    check(true, "quack", "quack");
+}
+
+void
+read_from_file_test()
 {
     std::list<std::string> lines = QUtil::read_lines_from_file("other-file");
-    for (std::list<std::string>::iterator iter = lines.begin();
-         iter != lines.end(); ++iter)
+    for (auto const& line: lines) {
+        std::cout << line << std::endl;
+    }
+    // Test the other versions and make sure we get the same results
+    {
+        std::ifstream infs("other-file", std::ios_base::binary);
+        assert(QUtil::read_lines_from_file(infs) == lines);
+        FILE* fp = QUtil::safe_fopen("other-file", "rb");
+        assert(QUtil::read_lines_from_file(fp) == lines);
+        fclose(fp);
+    }
+
+    // Test with EOL preservation
+    std::list<std::string> lines2 =
+        QUtil::read_lines_from_file("other-file", true);
+    auto line = lines2.begin();
+    assert(37 == (*line).length());
+    assert('.' == (*line).at(35));
+    assert('\n' == (*line).at(36));
+    ++line;
+    assert(24 == (*line).length());
+    assert('.' == (*line).at(21));
+    assert('\r' == (*line).at(22));
+    assert('\n' == (*line).at(23));
+    ++line;
+    assert(24591 == (*line).length());
+    assert('.' == (*line).at(24589));
+    assert('\n' == (*line).at(24590));
+    // Test the other versions and make sure we get the same results
     {
-        std::cout << *iter << std::endl;
+        std::ifstream infs("other-file", std::ios_base::binary);
+        assert(QUtil::read_lines_from_file(infs, true) == lines2);
+        FILE* fp = QUtil::safe_fopen("other-file", "rb");
+        assert(QUtil::read_lines_from_file(fp, true) == lines2);
+        fclose(fp);
     }
+
+    std::shared_ptr<char> buf;
+    size_t size = 0;
+    QUtil::read_file_into_memory("other-file", buf, size);
+    std::cout << "read " << size << " bytes" << std::endl;
+    char const* p = buf.get();
+    assert(size == 24652);
+    assert(memcmp(p, "This file is used for qutil testing.", 36) == 0);
+    assert(p59 == static_cast<char>(13));
+    assert(memcmp(p + 24641, "very long.", 10) == 0);
+    Pl_Buffer b2("buffer");
+    // QUtil::file_provider also exercises QUtil::pipe_file
+    QUtil::file_provider("other-file")(&b2);
+    auto buf2 = b2.getBufferSharedPointer();
+    assert(buf2->getSize() == size);
+    assert(memcmp(buf2->getBuffer(), p, size) == 0);
 }
 
-void assert_hex_encode(std::string const& input, std::string const& expected)
+void
+assert_hex_encode(std::string const& input, std::string const& expected)
 {
     std::string actual = QUtil::hex_encode(input);
-    if (expected != actual)
-    {
-        std::cout << "hex encode " << input
-                  << ": expected = " << expected
-                  << "; actual = " << actual
-                  << std::endl;
+    if (expected != actual) {
+        std::cout << "hex encode " << input << ": expected = " << expected
+                  << "; actual = " << actual << std::endl;
     }
 }
 
-void assert_hex_decode(std::string const& input, std::string const& expected)
+void
+assert_hex_decode(std::string const& input, std::string const& expected)
 {
     std::string actual = QUtil::hex_decode(input);
-    if (expected != actual)
-    {
-        std::cout << "hex encode " << input
-                  << ": expected = " << expected
-                  << "; actual = " << actual
-                  << std::endl;
+    if (expected != actual) {
+        std::cout << "hex encode " << input << ": expected = " << expected
+                  << "; actual = " << actual << std::endl;
     }
 }
 
-void hex_encode_decode_test()
+void
+hex_encode_decode_test()
 {
     std::cout << "begin hex encode/decode\n";
     assert_hex_encode("", "");
     assert_hex_encode("Potato", "506f7461746f");
-    std::string with_null("a\367" "00w");
+    std::string with_null("a\367"
+                          "00w");
     with_null3 = '\0';
     assert_hex_encode(with_null, "61f7300077");
     assert_hex_decode("", "");
@@ -424,38 +599,162 @@
     std::cout << "end hex encode/decode\n";
 }
 
-int main(int argc, char* argv)
+static void
+assert_no_file(char const* filename)
 {
-    try
-    {
+    try {
+        fclose(QUtil::safe_fopen(filename, "r"));
+        assert(false);
+    } catch (QPDFSystemError&) {
+    }
+}
+
+void
+rename_delete_test()
+{
+    std::shared_ptr<char> buf;
+    size_t size = 0;
+
+    try {
+        QUtil::remove_file("old\xcf\x80");
+    } catch (QPDFSystemError&) {
+    }
+    assert_no_file("old\xcf\x80");
+    std::cout << "create file" << std::endl;
+    ;
+    FILE* f1 = QUtil::safe_fopen("old\xcf\x80", "w");
+    fprintf(f1, "one");
+    fclose(f1);
+    QUtil::read_file_into_memory("old\xcf\x80", buf, size);
+    assert(memcmp(buf.get(), "one", 3) == 0);
+    std::cout << "rename file" << std::endl;
+    ;
+    QUtil::rename_file("old\xcf\x80", "old\xcf\x80.~tmp");
+    QUtil::read_file_into_memory("old\xcf\x80.~tmp", buf, size);
+    assert(memcmp(buf.get(), "one", 3) == 0);
+    assert_no_file("old\xcf\x80");
+    std::cout << "create file" << std::endl;
+    ;
+    f1 = QUtil::safe_fopen("old\xcf\x80", "w");
+    fprintf(f1, "two");
+    fclose(f1);
+    std::cout << "rename over existing" << std::endl;
+    ;
+    QUtil::rename_file("old\xcf\x80", "old\xcf\x80.~tmp");
+    QUtil::read_file_into_memory("old\xcf\x80.~tmp", buf, size);
+    assert(memcmp(buf.get(), "two", 3) == 0);
+    assert_no_file("old\xcf\x80");
+    std::cout << "delete file" << std::endl;
+    ;
+    QUtil::remove_file("old\xcf\x80.~tmp");
+    assert_no_file("old\xcf\x80");
+    assert_no_file("old\xcf\x80.~tmp");
+}
+
+void
+timestamp_test()
+{
+    auto check = (QUtil::QPDFTime const& t) {
+        std::string pdf = QUtil::qpdf_time_to_pdf_time(t);
+        std::string iso8601 = QUtil::qpdf_time_to_iso8601(t);
+        std::cout << pdf << std::endl << iso8601 << std::endl;
+        QUtil::QPDFTime t2;
+        std::string iso8601_2;
+        assert(QUtil::pdf_time_to_qpdf_time(pdf, &t2));
+        assert(QUtil::qpdf_time_to_pdf_time(t2) == pdf);
+        assert(QUtil::pdf_time_to_iso8601(pdf, iso8601_2));
+        assert(iso8601 == iso8601_2);
+    };
+    check(QUtil::QPDFTime(2021, 2, 9, 14, 49, 25, 300));
+    check(QUtil::QPDFTime(2021, 2, 10, 1, 19, 25, -330));
+    check(QUtil::QPDFTime(2021, 2, 9, 19, 19, 25, 0));
+    assert(!QUtil::pdf_time_to_qpdf_time("potato"));
+    assert(QUtil::pdf_time_to_qpdf_time("D:20210211064743Z"));
+    assert(QUtil::pdf_time_to_qpdf_time("D:20210211064743-05'00'"));
+    assert(QUtil::pdf_time_to_qpdf_time("D:20210211064743+05'30'"));
+    assert(QUtil::pdf_time_to_qpdf_time("D:20210211064743"));
+    // Round trip on the current time without actually printing it.
+    // Manual testing was done to ensure that we are actually getting
+    // back the current time in various time zones.
+    assert(QUtil::pdf_time_to_qpdf_time(
+        QUtil::qpdf_time_to_pdf_time(QUtil::get_current_qpdf_time())));
+}
+
+void
+is_long_long_test()
+{
+    auto check = (char const* s, bool v) {
+        if (QUtil::is_long_long(s) != v) {
+            std::cout << "failed: " << s << std::endl;
+        }
+    };
+    check("12312312", true);
+    check("12312312.34", false);
+    check("-12312312", true);
+    check("-12312312.34", false);
+    check("1e2", false);
+    check("9223372036854775807", true);
+    check("9223372036854775808", false);
+    check("-9223372036854775808", true);
+    check("-9223372036854775809", false);
+    check("123123123123123123123123123123123123", false);
+    check("potato", false);
+    check("0123", false);
+    std::cout << "done" << std::endl;
+}
+
+void
+memory_usage_test()
+{
+    auto u1 = QUtil::get_max_memory_usage();
+    if (u1 > 0) {
+        auto x = QUtil::make_shared_array<int>(10 << 20);
+        auto u2 = QUtil::get_max_memory_usage();
+        assert(u2 > u1);
+    }
+    std::cout << "memory usage okay" << std::endl;
+}
+
+int
+main(int argc, char* argv)
+{
+    try {
         std::cout << "---- string conversion" << std::endl;
-	string_conversion_test();
-	std::cout << "---- os wrapper" << std::endl;
-	os_wrapper_test();
-	std::cout << "---- fopen" << std::endl;
-	fopen_wrapper_test();
-	std::cout << "---- getenv" << std::endl;
-	getenv_test();
-	std::cout << "---- utf8" << std::endl;
-	to_utf8_test();
-	std::cout << "---- utf16" << std::endl;
-	to_utf16_test();
-	std::cout << "---- utf8_to_ascii" << std::endl;
+        string_conversion_test();
+        std::cout << "---- os wrapper" << std::endl;
+        os_wrapper_test();
+        std::cout << "---- fopen" << std::endl;
+        fopen_wrapper_test();
+        std::cout << "---- getenv" << std::endl;
+        getenv_test();
+        std::cout << "---- utf8" << std::endl;
+        to_utf8_test();
+        std::cout << "---- utf16" << std::endl;
+        to_utf16_test();
+        std::cout << "---- utf8_to_ascii" << std::endl;
         utf8_to_ascii_test();
-	std::cout << "---- transcoding" << std::endl;
+        std::cout << "---- transcoding" << std::endl;
         transcoding_test();
-	std::cout << "---- whoami" << std::endl;
-	get_whoami_test();
-	std::cout << "---- file" << std::endl;
-	same_file_test();
-	std::cout << "---- lines from file" << std::endl;
-	read_lines_from_file_test();
-	std::cout << "---- hex encode/decode" << std::endl;
-	hex_encode_decode_test();
-    }
-    catch (std::exception& e)
-    {
-	std::cout << "unexpected exception: " << e.what() << std::endl;
+        std::cout << "---- whoami" << std::endl;
+        get_whoami_test();
+        std::cout << "---- file" << std::endl;
+        same_file_test();
+        std::cout << "---- path" << std::endl;
+        path_test();
+        std::cout << "---- read from file" << std::endl;
+        read_from_file_test();
+        std::cout << "---- hex encode/decode" << std::endl;
+        hex_encode_decode_test();
+        std::cout << "---- rename/delete" << std::endl;
+        rename_delete_test();
+        std::cout << "---- timestamp" << std::endl;
+        timestamp_test();
+        std::cout << "---- is_long_long" << std::endl;
+        is_long_long_test();
+        std::cout << "---- memory usage" << std::endl;
+        memory_usage_test();
+    } catch (std::exception& e) {
+        std::cout << "unexpected exception: " << e.what() << std::endl;
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/random.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/random.cc Changed

@@ -1,79 +1,66 @@
-#include <qpdf/QUtil.hh>
-#include <qpdf/qpdf-config.h>
 #include <qpdf/InsecureRandomDataProvider.hh>
+#include <qpdf/QUtil.hh>
 #include <qpdf/SecureRandomDataProvider.hh>
+#include <qpdf/qpdf-config.h>
 #include <iostream>
 
 class BogusRandomDataProvider: public RandomDataProvider
 {
   public:
-    virtual ~BogusRandomDataProvider()
-    {
-    }
-    BogusRandomDataProvider()
-    {
-    }
-    virtual void provideRandomData(unsigned char* data, size_t len)
+    virtual ~BogusRandomDataProvider() = default;
+    BogusRandomDataProvider() = default;
+    virtual void
+    provideRandomData(unsigned char* data, size_t len)
     {
-        for (size_t i = 0; i < len; ++i)
-        {
+        for (size_t i = 0; i < len; ++i) {
             datai = static_cast<unsigned char>(i & 0xff);
         }
     }
 };
 
-int main()
+int
+main()
 {
     RandomDataProvider* orig_rdp = QUtil::getRandomDataProvider();
     long r1 = QUtil::random();
     long r2 = QUtil::random();
-    if (r1 == r2)
-    {
+    if (r1 == r2) {
         std::cout << "fail: two randoms were the same\n";
     }
     InsecureRandomDataProvider irdp;
     irdp.provideRandomData(reinterpret_cast<unsigned char*>(&r1), 4);
     irdp.provideRandomData(reinterpret_cast<unsigned char*>(&r2), 4);
-    if (r1 == r2)
-    {
+    if (r1 == r2) {
         std::cout << "fail: two insecure randoms were the same\n";
     }
 #ifndef SKIP_OS_SECURE_RANDOM
     SecureRandomDataProvider srdp;
     srdp.provideRandomData(reinterpret_cast<unsigned char*>(&r1), 4);
     srdp.provideRandomData(reinterpret_cast<unsigned char*>(&r2), 4);
-    if (r1 == r2)
-    {
+    if (r1 == r2) {
         std::cout << "fail: two secure randoms were the same\n";
     }
 #endif
     BogusRandomDataProvider brdp;
     QUtil::setRandomDataProvider(&brdp);
-    if (QUtil::getRandomDataProvider() != &brdp)
-    {
+    if (QUtil::getRandomDataProvider() != &brdp) {
         std::cout << "fail: getRandomDataProvider didn't"
-            " return our provider\n";
+                     " return our provider\n";
     }
     r1 = QUtil::random();
     r2 = QUtil::random();
-    if (r1 != r2)
-    {
+    if (r1 != r2) {
         std::cout << "fail: two bogus randoms were different\n";
     }
     unsigned char buf4;
     QUtil::initializeWithRandomBytes(buf, 4);
-    if (! ((buf0 == 0) &&
-           (buf1 == 1) &&
-           (buf2 == 2) &&
-           (buf3 == 3)))
-    {
+    if (!((buf0 == 0) && (buf1 == 1) && (buf2 == 2) && (buf3 == 3))) {
         std::cout << "fail: bogus random didn't provide correct bytes\n";
     }
     QUtil::setRandomDataProvider(0);
-    if (QUtil::getRandomDataProvider() != orig_rdp)
-    {
+    if (QUtil::getRandomDataProvider() != orig_rdp) {
         std::cout << "fail: passing null to setRandomDataProvider "
-            "didn't reset the random data provider\n";
+                     "didn't reset the random data provider\n";
     }
     std::cout << "random: end of tests\n";
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/rc4.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/rc4.cc Changed

@@ -1,60 +1,76 @@
+#include <qpdf/assert_test.h>
+
 #include <qpdf/Pl_RC4.hh>
 #include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QUtil.hh>
 
-#include <stdio.h>
-#include <string.h>
 #include <iostream>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
-int main(int argc, char* argv)
+static void
+other_tests()
 {
-    if (argc != 4)
-    {
-	std::cerr << "Usage: rc4 hex-key infile outfile" << std::endl;
-	exit(2);
+    // Test cases not covered by the pipeline: string as key, convert
+    // in place
+    RC4 r(reinterpret_cast<unsigned char const*>("quack"));
+    auto data = std::make_unique<unsigned char>(6);
+    memcpy(data.get(), "potato", 6);
+    r.process(data.get(), 6, data.get());
+    assert(memcmp(data.get(), "\xa5\x6f\xe7\x27\x2b\x5c", 6) == 0);
+    std::cout << "passed" << std::endl;
+}
+
+int
+main(int argc, char* argv)
+{
+    if ((argc == 2) && (strcmp(argv1, "other") == 0)) {
+        other_tests();
+        return 0;
+    }
+
+    if (argc != 4) {
+        std::cerr << "Usage: rc4 hex-key infile outfile" << std::endl;
+        exit(2);
     }
 
     char* hexkey = argv1;
     char* infilename = argv2;
     char* outfilename = argv3;
-    unsigned int hexkeylen = strlen(hexkey);
+    unsigned int hexkeylen = QIntC::to_uint(strlen(hexkey));
     unsigned int keylen = hexkeylen / 2;
     unsigned char* key = new unsigned charkeylen + 1;
     keykeylen = '\0';
 
     FILE* infile = QUtil::safe_fopen(infilename, "rb");
-    for (unsigned int i = 0; i < strlen(hexkey); i += 2)
-    {
-	char t3;
-	t0 = hexkeyi;
-	t1 = hexkeyi + 1;
-	t2 = '\0';
+    for (unsigned int i = 0; i < strlen(hexkey); i += 2) {
+        char t3;
+        t0 = hexkeyi;
+        t1 = hexkeyi + 1;
+        t2 = '\0';
 
-	long val = strtol(t, 0, 16);
-	keyi/2 = static_cast<unsigned char>(val);
+        long val = strtol(t, 0, 16);
+        keyi / 2 = static_cast<unsigned char>(val);
     }
 
     FILE* outfile = QUtil::safe_fopen(outfilename, "wb");
     Pl_StdioFile* out = new Pl_StdioFile("stdout", outfile);
     // Use a small buffer size (64) for testing
-    Pl_RC4* rc4 = new Pl_RC4("rc4", out, key, keylen, 64);
-    delete  key;
+    Pl_RC4* rc4 = new Pl_RC4("rc4", out, key, QIntC::to_int(keylen), 64U);
+    delete key;
 
     // 64 < buffer size < 512, buffer_size is not a power of 2 for testing
     unsigned char buf100;
     bool done = false;
-    while (! done)
-    {
-	size_t len = fread(buf, 1, sizeof(buf), infile);
-	if (len <= 0)
-	{
-	    done = true;
-	}
-	else
-	{
-	    rc4->write(buf, len);
-	}
+    while (!done) {
+        size_t len = fread(buf, 1, sizeof(buf), infile);
+        if (len <= 0) {
+            done = true;
+        } else {
+            rc4->write(buf, len);
+        }
     }
     rc4->finish();
     delete rc4;

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/runlength.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/runlength.cc Changed

@@ -2,18 +2,18 @@
 #include <qpdf/Pl_StdioFile.hh>
 #include <qpdf/QUtil.hh>
 
-#include <stdio.h>
-#include <string.h>
 #include <iostream>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if (argc != 4)
-    {
-	std::cerr << "Usage: runlength {-encode|-decode} infile outfile"
+    if (argc != 4) {
+        std::cerr << "Usage: runlength {-encode|-decode} infile outfile"
                   << std::endl;
-	exit(2);
+        exit(2);
     }
 
     bool encode = (strcmp("-encode", argv1) == 0);
@@ -26,19 +26,16 @@
     unsigned char buf100;
     bool done = false;
     Pl_RunLength rl(
-        "runlength", &out,
+        "runlength",
+        &out,
         (encode ? Pl_RunLength::a_encode : Pl_RunLength::a_decode));
-    while (! done)
-    {
-	size_t len = fread(buf, 1, sizeof(buf), infile);
-	if (len <= 0)
-	{
-	    done = true;
-	}
-	else
-	{
-	    rl.write(buf, len);
-	}
+    while (!done) {
+        size_t len = fread(buf, 1, sizeof(buf), infile);
+        if (len <= 0) {
+            done = true;
+        } else {
+            rl.write(buf, len);
+        }
     }
     rl.finish();
     fclose(infile);

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/sha2.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/libtests/sha2.cc Changed

@@ -1,69 +1,100 @@
 #include <qpdf/Pl_SHA2.hh>
+#include <qpdf/QUtil.hh>
 #include <iostream>
 #include <stdlib.h>
 #include <string.h>
-#include <qpdf/QUtil.hh>
 
-static void test(Pl_SHA2& sha2, char const* description, int bits,
-                 char const* input, std::string const& output)
+static void
+test(
+    Pl_SHA2& sha2,
+    char const* description,
+    int bits,
+    char const* input,
+    std::string const& output)
 {
     sha2.resetBits(bits);
     sha2.write(QUtil::unsigned_char_pointer(input), strlen(input));
     sha2.finish();
     std::cout << description << ": ";
-    if (output == sha2.getHexDigest())
-    {
+    if (output == sha2.getHexDigest()) {
         std::cout << "passed\n";
-    }
-    else
-    {
+    } else {
         std::cout << "failed\n"
                   << "  expected: " << output << "\n"
                   << "  actual:   " << sha2.getHexDigest() << "\n";
     }
 }
 
-int main( int argc, char *argv )
+int
+main(int argc, char* argv)
 {
     Pl_SHA2 sha2;
     char million_a1000001;
     memset(million_a, 'a', 1000000);
     million_a1000000 = '\0';
-    test(sha2, "256 short", 256,
-         "abc",
-         "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad");
-    test(sha2, "256 long", 256,
-         "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
-         "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1");
-    test(sha2, "256 million", 256,
-         million_a,
-         "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0");
-    test(sha2, "384 short", 384,
-         "abc",
-         "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded163"
-         "1a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7");
-    test(sha2, "384 long", 384,
-         "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
-         "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
-         "09330c33f71147e83d192fc782cd1b4753111b173b3b05d2"
-         "2fa08086e3b0f712fcc7c71a557e2db966c3e9fa91746039");
-    test(sha2, "384 million", 384,
-         million_a,
-         "9d0e1809716474cb086e834e310a4a1ced149e9c00f24852"
-         "7972cec5704c2a5b07b8b3dc38ecc4ebae97ddd87f3d8985");
-    test(sha2, "512 short", 512,
-         "abc",
-         "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
-         "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f");
-    test(sha2, "512 long", 512,
-         "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
-         "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
-         "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
-         "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909");
-    test(sha2, "512 million", 512,
-         million_a,
-         "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"
-         "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b");
+    test(
+        sha2,
+        "256 short",
+        256,
+        "abc",
+        "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad");
+    // cSpell:ignore abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq
+    test(
+        sha2,
+        "256 long",
+        256,
+        "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
+        "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1");
+    test(
+        sha2,
+        "256 million",
+        256,
+        million_a,
+        "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0");
+    test(
+        sha2,
+        "384 short",
+        384,
+        "abc",
+        "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded163"
+        "1a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7");
+    test(
+        sha2,
+        "384 long",
+        384,
+        "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
+        "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
+        "09330c33f71147e83d192fc782cd1b4753111b173b3b05d2"
+        "2fa08086e3b0f712fcc7c71a557e2db966c3e9fa91746039");
+    test(
+        sha2,
+        "384 million",
+        384,
+        million_a,
+        "9d0e1809716474cb086e834e310a4a1ced149e9c00f24852"
+        "7972cec5704c2a5b07b8b3dc38ecc4ebae97ddd87f3d8985");
+    test(
+        sha2,
+        "512 short",
+        512,
+        "abc",
+        "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
+        "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f");
+    test(
+        sha2,
+        "512 long",
+        512,
+        "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
+        "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
+        "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
+        "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909");
+    test(
+        sha2,
+        "512 million",
+        512,
+        million_a,
+        "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"
+        "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b");
 
     return 0;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/libtests/sparse_array.cc Added

@@ -0,0 +1,84 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/SparseOHArray.hh>
+#include <iostream>
+
+int
+main()
+{
+    SparseOHArray a;
+    assert(a.size() == 0);
+
+    a.append(QPDFObjectHandle::parse("1"));
+    a.append(QPDFObjectHandle::parse("(potato)"));
+    a.append(QPDFObjectHandle::parse("null"));
+    a.append(QPDFObjectHandle::parse("null"));
+    a.append(QPDFObjectHandle::parse("/Quack"));
+    assert(a.size() == 5);
+    assert(a.at(0).isInteger() && (a.at(0).getIntValue() == 1));
+    assert(a.at(1).isString() && (a.at(1).getStringValue() == "potato"));
+    assert(a.at(2).isNull());
+    assert(a.at(3).isNull());
+    assert(a.at(4).isName() && (a.at(4).getName() == "/Quack"));
+
+    a.insert(4, QPDFObjectHandle::parse("/BeforeQuack"));
+    assert(a.size() == 6);
+    assert(a.at(0).isInteger() && (a.at(0).getIntValue() == 1));
+    assert(a.at(4).isName() && (a.at(4).getName() == "/BeforeQuack"));
+    assert(a.at(5).isName() && (a.at(5).getName() == "/Quack"));
+
+    a.insert(2, QPDFObjectHandle::parse("/Third"));
+    assert(a.size() == 7);
+    assert(a.at(1).isString() && (a.at(1).getStringValue() == "potato"));
+    assert(a.at(2).isName() && (a.at(2).getName() == "/Third"));
+    assert(a.at(3).isNull());
+    assert(a.at(6).isName() && (a.at(6).getName() == "/Quack"));
+
+    a.insert(0, QPDFObjectHandle::parse("/First"));
+    assert(a.size() == 8);
+    assert(a.at(0).isName() && (a.at(0).getName() == "/First"));
+    assert(a.at(1).isInteger() && (a.at(1).getIntValue() == 1));
+    assert(a.at(7).isName() && (a.at(7).getName() == "/Quack"));
+
+    a.erase(6);
+    assert(a.size() == 7);
+    assert(a.at(0).isName() && (a.at(0).getName() == "/First"));
+    assert(a.at(1).isInteger() && (a.at(1).getIntValue() == 1));
+    assert(a.at(5).isNull());
+    assert(a.at(6).isName() && (a.at(6).getName() == "/Quack"));
+
+    a.erase(6);
+    assert(a.size() == 6);
+    assert(a.at(0).isName() && (a.at(0).getName() == "/First"));
+    assert(a.at(1).isInteger() && (a.at(1).getIntValue() == 1));
+    assert(a.at(3).isName() && (a.at(3).getName() == "/Third"));
+    assert(a.at(4).isNull());
+    assert(a.at(5).isNull());
+
+    a.setAt(4, QPDFObjectHandle::parse("12"));
+    assert(a.at(4).isInteger() && (a.at(4).getIntValue() == 12));
+    a.setAt(4, QPDFObjectHandle::newNull());
+    assert(a.at(4).isNull());
+
+    a.remove_last();
+    assert(a.size() == 5);
+    assert(a.at(0).isName() && (a.at(0).getName() == "/First"));
+    assert(a.at(1).isInteger() && (a.at(1).getIntValue() == 1));
+    assert(a.at(3).isName() && (a.at(3).getName() == "/Third"));
+    assert(a.at(4).isNull());
+
+    a.remove_last();
+    assert(a.size() == 4);
+    assert(a.at(0).isName() && (a.at(0).getName() == "/First"));
+    assert(a.at(1).isInteger() && (a.at(1).getIntValue() == 1));
+    assert(a.at(3).isName() && (a.at(3).getName() == "/Third"));
+
+    a.remove_last();
+    assert(a.size() == 3);
+    assert(a.at(0).isName() && (a.at(0).getName() == "/First"));
+    assert(a.at(1).isInteger() && (a.at(1).getIntValue() == 1));
+    assert(a.at(2).isString() && (a.at(2).getStringValue() == "potato"));
+
+    std::cout << "sparse array tests done" << std::endl;
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/logo/README.md Added

_service:tar_scm:qpdf-11.1.0.tar.gz/logo/qpdf.ico Added

_service:tar_scm:qpdf-8.4.2.tar.gz/make_dist -> _service:tar_scm:qpdf-11.1.0.tar.gz/make_dist Changed

@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 #
 # This program creates a source distribution of qpdf.  For details,
-# see README-maintainer.md.
+# see README-maintainer.
 #
 
 require 5.008;
@@ -11,21 +11,17 @@
 use Cwd;
 use Cwd 'abs_path';
 use IO::File;
-use File::Path qw(rmtree);
+use File::Path qw(rmtree make_path);
 
 my $whoami = basename($0);
 
-my $run_tests = 1;
+my $tmp = $ENV{'TMPDIR'} || '/tmp';
 my $keep_tmp = 0;
 my $ci_mode = 0;
 my $version = undef;
 foreach my $arg (@ARGV)
 {
-    if ($arg eq '--no-tests')
-    {
-	$run_tests = 0;
-    }
-    elsif ($arg eq '--keep-tmp')
+    if ($arg eq '--keep-tmp')
     {
         $keep_tmp = 1;
     }
@@ -45,30 +41,30 @@
 
 if ($ci_mode && (! defined $version))
 {
-    $version = get_version_from_configure();
+    $version = get_version_from_cmake();
 }
 
 usage() unless defined $version;
 usage() unless $version =~ m/^(\d+\.\d+(?:\.(a|b|rc)?\d+)?)$/;
 my $distname = "qpdf-$version";
-my $tmpdir = "/tmp/$distname";
+my $tmpdir = "${tmp}/$distname";
 if ((-d $tmpdir) && (! $keep_tmp))
 {
     rmtree($tmpdir);
 }
-run("git archive --prefix=qpdf-$version/ HEAD . | (cd /tmp; tar xf -)");
+make_path($tmp);
+run("git archive --prefix=qpdf-$version/ HEAD . | (cd $tmp; tar xf -)");
 cd($tmpdir);
 
 # Check versions
-my $config_version = get_version_from_configure();
+my $cmakeversion = get_version_from_cmake();
 my $code_version = get_version_from_source();
 my $doc_version = get_version_from_manual();
-my $cli_version = get_version_from_cli();
 
 my $version_error = 0;
-if ($version ne $config_version)
+if ($version ne $cmakeversion)
 {
-    print "$whoami: configure.ac version = $config_version\n";
+    print "$whoami: cmake version = $cmakeversion\n";
     $version_error = 1;
 }
 if ($version ne $code_version)
@@ -78,12 +74,7 @@
 }
 if ($version ne $doc_version)
 {
-    print "$whoami: qpdf-manual.xml version = $doc_version\n";
-    $version_error = 1;
-}
-if ($version ne $cli_version)
-{
-    print "$whoami: qpdf.cc version = $cli_version\n";
+    print "$whoami: doc version = $doc_version\n";
     $version_error = 1;
 }
 if ($version_error)
@@ -91,19 +82,8 @@
     die "$whoami: version numbers are not consistent\n";
 }
 
-run("./configure --disable-shared --enable-doc-maintenance --enable-werror");
-run("make -j8 build_manual");
-run("make distclean");
-cd("/tmp");
+cd($tmp);
 run("tar czvf $distname.tar.gz-candidate $distname");
-if ($run_tests)
-{
-    cd($tmpdir);
-    run("./configure");
-    run("make -j8");
-    run("make check");
-    cd("/tmp");
-}
 my $distfile = ($ci_mode ? "$distname-ci.tar.gz" : "$distname.tar.gz");
 rename "$distname.tar.gz-candidate", $distfile or die;
 
@@ -113,51 +93,77 @@
 }
 
 print "
-Source distribution created as /tmp/$distfile
+Source distribution created as ${tmp}/$distfile
 If this is a release, don't forget to tag the version control system and
 make a backup of the release tar file.
 
 ";
 
-sub get_version_from_configure
+sub get_version_from_cmake
 {
-    my $fh = safe_open("configure.ac");
-    my $config_version = 'unknown';
+    my $fh = safe_open("CMakeLists.txt");
+    my $cmake_version = 'unknown';
+    my $saw_project = 0;
     while (<$fh>)
     {
-        if (m/^AC_INIT$\qpdf\,\(^$+)\\)/)
+        if (m/project\(qpdf/)
         {
-            $config_version = $1;
+            $saw_project = 1;
+        }
+        elsif ($saw_project && m/VERSION (\S+)$/)
+        {
+            $cmake_version = $1;
             last;
         }
     }
     $fh->close();
-    $config_version;
+    $cmake_version;
 }
 
 sub get_version_from_source
 {
-    my $fh = safe_open("libqpdf/QPDF.cc");
+    my $fh = safe_open("include/qpdf/DLL.h");
     my $code_version = 'unknown';
+    my $major = '';
+    my $minor = '';
+    my $patch = '';
     while (<$fh>)
     {
-        if (m/QPDF::qpdf_version = \"(^\"+)\"/)
+        if (m/QPDF_MAJOR_VERSION (\d+)/)
+        {
+            $major = $1;
+        }
+        elsif (m/QPDF_MINOR_VERSION (\d+)/)
+        {
+            $minor = $1;
+        }
+        elsif (m/QPDF_PATCH_VERSION (\d+)/)
+        {
+            $patch = $1;
+        }
+        elsif (m/QPDF_VERSION \"(^\"+)\"/)
         {
             $code_version = $1;
-            last;
         }
     }
+    my $t = sprintf("%s.%s.%s", $major, $minor, $patch);
+    if ($t ne $code_version)
+    {
+        die "$whoami: version is inconsistent in DLL.h:" .
+            " $t vs $code_version\n";
+    }
+
     $fh->close();
     $code_version;
 }
 
 sub get_version_from_manual
 {
-    my $fh = safe_open("manual/qpdf-manual.xml");
+    my $fh = safe_open("manual/conf.py");
     my $doc_version = 'unknown';
     while (<$fh>)
     {
-        if (m/swversion "(^\"+)\"/)
+        if (m/release = '(^\'+)\'/)
         {
             $doc_version = $1;
             last;
@@ -167,22 +173,6 @@
     $doc_version;
 }
 
-sub get_version_from_cli
-{
-    my $fh = safe_open("qpdf/qpdf.cc");
-    my $cli_version = 'unknown';
-    while (<$fh>)
-    {
-        if (m/expected_version = \"(^\"+)\"/)
-        {
-            $cli_version = $1;
-            last;
-        }
-    }
-    $fh->close();
-    $cli_version;
-}
-
 sub safe_open
 {
     my $file = shift;
@@ -205,12 +195,9 @@
 sub usage
 {
     die "
-Usage: $whoami  --no-tests --keep-tmp  version
-
-Use of --no-tests can be used for internally testing releases, but do
-not use it for a real release.
+Usage: $whoami --keep-tmp {--ci|version}
 
-$whoami creates /tmp/qpdf-<version> and deletes it when done. With
+$whoami creates ${tmp}/qpdf-<version> and deletes it when done. With
 --keep-tmp, the directory is kept. This can be useful for debugging
 the release process.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/.gitignore Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/CMakeLists.txt Added

@@ -0,0 +1,137 @@
+# There is a FindLATEX module, but it does some things we don't care
+# about and doesn't do everything we need.
+find_program(LATEX latex)
+find_program(PDFLATEX pdflatex)
+find_program(LATEXMK latexmk)
+find_program(SPHINX sphinx-build)
+
+# *** NOTE: Never check BUILD_DOC_PDF if BUILD_DOC is not set. See
+# *** comments in top-level CMakeLists.txt.
+
+if(BUILD_DOC)
+  if(SPHINX STREQUAL SPHINX-NOTFOUND)
+    message(FATAL_ERROR "sphinx-build is required for building documentation")
+  endif()
+  if(BUILD_DOC_PDF AND
+      ((LATEX STREQUAL LATEX-NOTFOUND) OR
+        (LATEXMK STREQUAL LATEXMK-NOTFOUND) OR
+        (PDFLATEX STREQUAL PDFLATEX-NOTFOUND)))
+    message(FATAL_ERROR
+      "latex, latexmk, and pdflatex are required to build PDF documentation")
+  endif()
+endif()
+
+set(MANUAL_SRC ${qpdf_SOURCE_DIR}/manual)
+foreach(F qpdf.1 fix-qdf.1 zlib-flate.1)
+  configure_file(
+    ${MANUAL_SRC}/${F}.in
+    ${CMAKE_CURRENT_BINARY_DIR}/${F}
+    NEWLINE_STYLE UNIX)
+endforeach()
+
+SET(MANUAL_DEPS
+  conf.py
+  _ext/qpdf.py
+  acknowledgement.rst
+  cli.rst
+  design.rst
+  download.rst
+  encryption.rst
+  index.rst
+  installation.rst
+  json.rst
+  contributing.rst
+  library.rst
+  license.rst
+  linearization.rst
+  object-streams.rst
+  overview.rst
+  packaging.rst
+  qdf.rst
+  qpdf-job.rst
+  release-notes.rst
+  weak-crypto.rst)
+
+# Prevent targets that run ${SPHINX} from running in parallel by using
+# dependencies. This avoids clashes in temporary files that cause the
+# build to fail with the error "_pickle.UnpicklingError: pickle data
+# was truncated". It would be better if we could use order-only
+# dependencies like gnu make to make it possible to build the targets
+# independently.
+set(DOC_HTML_OUTPUT html/index.html)
+set(DOC_SINGLEHTML_OUTPUT singlehtml/index.html)
+set(DOC_PDF_OUTPUT latex/qpdf.pdf)
+if(BUILD_DOC)
+  add_custom_command(OUTPUT ${DOC_HTML_OUTPUT}
+    COMMAND ${SPHINX} -M html ${MANUAL_SRC} ${CMAKE_CURRENT_BINARY_DIR} -W
+    COMMAND touch ${DOC_HTML_OUTPUT}
+    DEPENDS ${MANUAL_DEPS})
+  add_custom_command(OUTPUT ${DOC_SINGLEHTML_OUTPUT}
+    COMMAND ${SPHINX} -M singlehtml ${MANUAL_SRC} ${CMAKE_CURRENT_BINARY_DIR} -W
+    COMMAND touch ${DOC_SINGLEHTML_OUTPUT}
+    DEPENDS ${MANUAL_DEPS})
+  add_custom_command(OUTPUT ${DOC_PDF_OUTPUT}
+    COMMAND ${SPHINX} -M latexpdf ${MANUAL_SRC} ${CMAKE_CURRENT_BINARY_DIR} -W
+    COMMAND touch ${DOC_PDF_OUTPUT}
+    DEPENDS ${MANUAL_DEPS})
+  add_custom_target(doc_html DEPENDS ${DOC_HTML_OUTPUT})
+  add_custom_target(doc_singlehtml DEPENDS ${DOC_SINGLEHTML_OUTPUT})
+  add_dependencies(doc_singlehtml doc_html)
+  add_custom_target(doc_pdf DEPENDS ${DOC_PDF_OUTPUT})
+  add_custom_target(doc ALL)
+  if(BUILD_DOC_PDF)
+    add_dependencies(doc doc_pdf)
+    if(BUILD_DOC_HTML)
+      add_dependencies(doc_pdf doc_singlehtml)
+    endif()
+  elseif(BUILD_DOC_HTML)
+    add_dependencies(doc doc_singlehtml)
+  endif()
+  if(GENERATE_AUTO_JOB)
+    add_dependencies(doc auto_job_files)
+  endif()
+
+  if(BUILD_DOC_DIST)
+    set(DOC_DIST_HTML doc-dist/manual-html)
+    set(DOC_DIST_SINGLEHTML doc-dist/manual-single-page-html)
+    set(DOC_DIST_PDF doc-dist/qpdf-manual.pdf)
+    add_custom_command(
+      OUTPUT
+      ${DOC_DIST_HTML}
+      ${DOC_DIST_SINGLEHTML}
+      ${DOC_DIST_PDF}
+      COMMAND rm -rf doc-dist
+      COMMAND mkdir -p doc-dist
+      COMMAND cp -r html ${DOC_DIST_HTML}
+      COMMAND cp -r singlehtml ${DOC_DIST_SINGLEHTML}
+      COMMAND cp -r ${DOC_PDF_OUTPUT} ${DOC_DIST_PDF}
+      DEPENDS ${DOC_HTML_OUTPUT} ${DOC_SINGLEHTML_OUTPUT} ${DOC_PDF_OUTPUT})
+    add_custom_target(doc_dist ALL
+      DEPENDS ${DOC_DIST_HTML} ${DOC_DIST_SINGLEHTML} ${DOC_DIST_PDF})
+    add_dependencies(doc_dist doc)
+  endif()
+endif()
+
+# INSTALL_MANUAL is not dependent on building doc -- we sometimes drop in
+# pre-built doc when creating distributions.
+if(INSTALL_MANUAL)
+  install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc-dist/
+    TYPE DOC
+    COMPONENT ${COMPONENT_DOC})
+else()
+  install(FILES ${qpdf_SOURCE_DIR}/README-doc.txt
+    TYPE DOC
+    COMPONENT ${COMPONENT_DOC})
+endif()
+
+if(NOT WIN32)
+  # There's no reason to install manual pages in a Windows
+  # environment, especially when all they do is refer people to the
+  # manual.
+  install(FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/qpdf.1
+    ${CMAKE_CURRENT_BINARY_DIR}/fix-qdf.1
+    ${CMAKE_CURRENT_BINARY_DIR}/zlib-flate.1
+    DESTINATION ${CMAKE_INSTALL_MANDIR}/man1
+    COMPONENT ${COMPONENT_DOC})
+endif()

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/_ext Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/_ext/qpdf.py Added

@@ -0,0 +1,132 @@
+from collections import defaultdict
+from operator import itemgetter
+import re
+
+from sphinx import addnodes
+from sphinx.directives import ObjectDescription
+from sphinx.domains import Domain, Index
+from sphinx.roles import XRefRole
+from sphinx.util.nodes import make_refnode
+
+# Reference:
+#   https://www.sphinx-doc.org/en/master/development/tutorials/todo.html
+#   https://www.sphinx-doc.org/en/master/development/tutorials/recipe.html
+
+# cSpell:ignore contnode
+# cSpell:ignore docname
+# cSpell:ignore docnames
+# cSpell:ignore localname
+# cSpell:ignore refnode
+# cSpell:ignore signode
+
+
+class OptionDirective(ObjectDescription):
+    has_content = True
+
+    def handle_signature(self, sig, signode):
+        signode += addnodes.desc_name(text=sig)
+        return sig
+
+    def add_target_and_index(self, name_cls, sig, signode):
+        m = re.match(r'^--(^\= +)', sig)
+        if not m:
+            raise Exception('option must start with --')
+        option_name = m.group(1)
+        signode'ids'.append(f'option-{option_name}')
+        qpdf = self.env.get_domain('qpdf')
+        qpdf.add_option(sig, option_name)
+
+
+class OptionIndex(Index):
+    name = 'options'
+    localname = 'qpdf Command-line Options'
+    shortname = 'Options'
+
+    def generate(self, docnames=None):
+        content = defaultdict(list)
+        options = self.domain.get_objects()
+        options = sorted(options, key=itemgetter(0))
+
+        # name, subtype, docname, anchor, extra, qualifier, description
+        for name, display_name, typ, docname, anchor, _ in options:
+            m = re.match(r'^(--(^\= +))', display_name)
+            if not m:
+                raise Exception(
+                    'OptionIndex.generate: display name not as expected')
+            contentm.group(2)0.lower().append(
+                (m.group(1), 0, docname, anchor, '', '', typ))
+
+        content = sorted(content.items())
+        return content, True
+
+
+class QpdfDomain(Domain):
+    name = 'qpdf'
+    label = 'qpdf documentation domain'
+    roles = {
+        'ref': XRefRole()
+    }
+    directives = {
+        'option': OptionDirective,
+    }
+    indices = {
+        OptionIndex,
+    }
+    initial_data = {
+        'options': ,  # object list
+    }
+
+    def get_full_qualified_name(self, node):
+        return '{}.{}'.format('option', node.arguments0)
+
+    def get_objects(self):
+        for obj in self.data'options':
+            yield(obj)
+
+    def resolve_xref(self, env, from_doc_name, builder, typ, target, node,
+                     contnode):
+        match = (docname, anchor)
+                 for name, sig, typ, docname, anchor, priority
+                 in self.get_objects() if name == f'option.{target2:}'
+
+        if len(match) > 0:
+            to_doc_name = match00
+            match_target = match01
+            return make_refnode(builder, from_doc_name, to_doc_name,
+                                match_target, contnode, match_target)
+        else:
+            raise Exception(f'invalid option xref ({target})')
+
+    def add_option(self, signature, option_name):
+        if self.env.docname != 'cli':
+            raise Exception(
+                'qpdf:option directives don\'t work outside of cli.rst')
+
+        name = f'option.{option_name}'
+        anchor = f'option-{option_name}'
+
+        # name, display_name, type, docname, anchor, priority
+        self.data'options'.append(
+            (name, signature, '', self.env.docname, anchor, 0))
+
+    def purge_options(self, docname):
+        self.data'options' = list(
+            x for x in self.data'options'
+            if x3 != docname
+        )
+
+
+def purge_options(app, env, docname):
+    option = env.get_domain('qpdf')
+    option.purge_options(docname)
+
+
+def setup(app):
+    app.add_domain(QpdfDomain)
+    app.connect('env-purge-doc', purge_options)
+
+    return {
+        'version': '0.1',
+        'parallel_read_safe': True,
+        'parallel_write_safe': True,
+    }

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/_static Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/_static/css Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/_static/css/wraptable.css Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/acknowledgement.rst Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/cli.rst Added

@@ -0,0 +1,3578 @@
+.. NOTES
+
+   See "HOW TO ADD A COMMAND-LINE ARGUMENT" in README-maintainer.
+
+   This file contains text that is used for help file generation.
+   Lines that start with the magic comment ".. help topic x: y"
+   introduce a help topic called "x" with short text "y". The contents
+   of the comment are the long text.
+
+   The ".. qpdf:option:: option" directive introduces a command-line
+   option. The next ".. help: short_text" comment's contents are the
+   long text of the help. Search for ".. help-topic" and "qpdf:option"
+   for additional help. Command line arguments can be referenced using
+   :qpdf:ref:`--option`. They also appear in an index.
+
+   Note: 2022-01-22: because short help text is used in the "schema"
+   JSON object for QPDFJob JSON, we can't end short text with a ``)``
+   character since doing so would cause ``)"`` to appear in the string
+   literal. We use the R"(...)" syntax for these literals, and that
+   looks like an end delimiter. While the C++ spec allows
+   R"anything(...)anything" specifically for this purpose, the MSVC in
+   CI at the time of this writing did not support that construct.
+
+   STYLE NOTES
+
+   In this text, :samp:`...` and ``...`` are used somewhat
+   interchangeably. :samp: should be used when there is replaceable
+   text enclosed in curly braces. Otherwise, either is fine. Ideally
+   there should be a stricter editorial convention, but they render
+   the same, so I have not gone to the trouble of making it
+   consistent.
+
+   USE :qpdf:ref:`--option` to refer to an option whenever it is
+   specified without parameters in any place other than its own help.
+   This creates a link.
+
+   When referring to command-line options, use the following
+   terminology:
+
+   argument: any command-line argument whether option or positional
+   option: any argument starting with -- including its parameter, if any
+   flag: the --flag part of the option; only use to disambiguate
+   parameter: the parameter part of the option
+
+   Example: qpdf in.pdf --object-stream=generalized out.pdf
+
+   Each word is an argument.
+   The "--object-stream=generalized" option consists of
+   the "--object-stream" flag with the "generalized" parameter. It
+   would be okay to talk about "the --object-stream option" in the
+   text if there's no ambiguity.
+
+.. _using:
+
+Running qpdf
+============
+
+This chapter describes how to run the qpdf program from the command
+line.
+
+.. _invocation:
+
+Basic Invocation
+----------------
+
+.. help-topic usage: basic invocation
+
+   Read a PDF file, apply transformations or modifications, and write
+   a new PDF file.
+
+   Usage: qpdf infile options outfile
+      OR  qpdf --help={topic|--option}
+
+   - infile, options, and outfile may be in any order as long as infile
+     precedes outfile.
+   - Use --empty in place of an input file for a zero-page, empty input
+   - Use --replace-input in place of an output file to overwrite the
+     input file with the output
+   - outfile may be - to write to stdout; reading from stdin is not supported
+   - @filename is an argument file; each line is treated as a separate
+     command-line argument
+   - @- may be used to read arguments from stdin
+   - Later options may override earlier options if contradictory
+
+::
+
+   Usage: qpdf infile options outfile
+
+The :command:`qpdf` command reads the PDF file :samp:`{infile}`,
+applies various transformations or modifications to the file in
+memory, and writes the result to :samp:`{outfile}`. When run with no
+options, the output file is functionally identical to the input file
+but may be structurally reorganized, and orphaned objects are removed
+from the file. Many options are available for applying transformations
+or modifications to the file.
+
+:samp:`{infile}` can be a regular file, or it can be
+:qpdf:ref:`--empty` to start with an empty PDF file. There is no way
+to use standard input since the input file has to be seekable.
+
+:samp:`{outfile}` can be a regular file, ``-`` to represent standard
+output, or :qpdf:ref:`--replace-input` to indicate that the input file
+should be overwritten. The output file does not have to be seekable,
+even when generating linearized files. You can also use
+:qpdf:ref:`--split-pages` to create separate output files for each
+page (or group of pages) instead of a single output file.
+
+Password-protected files may be opened by specifying a password with
+:qpdf:ref:`--password`.
+
+All options other than help options (see :ref:`help-options`) require
+an input file. If inspection or JSON options (see
+:ref:`inspection-options` and :ref:`json-options`) or help options are
+given, an output file must not be given. Otherwise, an output file is
+required.
+
+If :samp:`@filename` appears as a word anywhere in the command-line,
+it will be read line by line, and each line will be treated as a
+command-line argument. Leading and trailing whitespace is
+intentionally not removed from lines, which makes it possible to
+handle arguments that start or end with spaces. The :samp:`@-` option
+allows arguments to be read from standard input. This allows qpdf to
+be invoked with an arbitrary number of arbitrarily long arguments. It
+is also very useful for avoiding having to pass passwords on the
+command line, though see also :qpdf:ref:`--password-file`. Note that
+the :samp:`@filename` can't appear in the middle of an argument, so
+constructs such as :samp:`--arg=@filename` will not work. Instead, you
+would have to include the option and its parameter (e.g.,
+:samp:`--option=parameter`) as a line in the :file:`filename` file and
+just pass :samp:`@filename` on the command line.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --empty
+
+   .. help: use empty file as input
+
+      Use in place of infile for an empty input. Especially useful
+      with --pages.
+
+   This option may be given in place of :samp:`{infile}`. This causes
+   qpdf to use a dummy input file that contains zero pages. This
+   option is useful in conjunction with :qpdf:ref:`--pages`. See
+   :ref:`page-selection` for details.
+
+.. qpdf:option:: --replace-input
+
+   .. help: overwrite input with output
+
+      Use in place of outfile to overwrite the input file with the output.
+
+   This option may be given in place of :samp:`{outfile}`. This causes
+   qpdf to replace the input file with the output. It does this by
+   writing to :file:`{infilename}.~qpdf-temp#` and, when done,
+   overwriting the input file with the temporary file. If there were
+   any warnings, the original input is saved as
+   :file:`{infilename}.~qpdf-orig`. If there are errors, the input
+   file is left untouched.
+
+.. qpdf:option:: --job-json-file=file
+
+   .. help: job JSON file
+
+      Specify the name of a file whose contents are expected to
+      contain a QPDFJob JSON file. Run qpdf --job-json-help for a
+      description of the JSON input file format.
+
+   Specify the name of a file whose contents are expected to contain a
+   QPDFJob JSON file. This file is read and treated as if the
+   equivalent command-line arguments were supplied. It can be repeated
+   and mixed freely with other options. Run ``qpdf`` with
+   :qpdf:ref:`--job-json-help` for a description of the job JSON input
+   file format. For more information, see :ref:`qpdf-job`. Note that
+   this is unrelated to :qpdf:ref:`--json` but may be combined with
+   it.
+
+.. _exit-status:
+
+Exit Status
+-----------
+
+.. help-topic exit-status: meanings of qpdf's exit codes
+
+   Meaning of exit codes:
+
+   0: no errors or warnings
+   1: not used by qpdf but may be used by the shell if unable to invoke qpdf
+   2: errors detected
+   3: warnings detected, unless --warning-exit-0 is given
+
+The exit status of :command:`qpdf` may be interpreted as follows:
+
+.. list-table:: Exit Codes
+   :widths: 5 80
+   :header-rows: 0
+
+   - - 0
+     - no errors or warnings were found
+
+   - - 1
+     - not used
+
+   - - 2
+     - errors were found; the file was not processed
+
+   - - 3
+     - warnings were found without errors
+
+Notes:
+
+- A PDF file may have problems that qpdf can't detect.
+
+- With the :qpdf:ref:`--warning-exit-0` option, exit status ``0`` is
+  used even if there are warnings.
+
+- :command:`qpdf` does not exit with status ``1`` since the shell uses
+  this exit code if it is unable to invoke the command.
+
+- If both errors and warnings were found, exit status ``2`` is used.
+
+- The :qpdf:ref:`--is-encrypted` and :qpdf:ref:`--requires-password`
+  options use different exit codes. See their help for details.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --warning-exit-0
+
+   .. help: exit 0 even with warnings
+
+      Use exit status 0 instead of 3 when warnings are present. When
+      combined with --no-warn, warnings are completely ignored.
+
+   If there were warnings only and no errors, exit with exit code
+   ``0`` instead of ``3``. When combined with :qpdf:ref:`--no-warn`,
+   the effect is for :command:`qpdf` to completely ignore warnings.
+
+.. _shell-completion:
+
+Shell Completion
+----------------
+
+.. help-topic completion: shell completion
+
+   Shell completion is supported with bash and zsh. Use
+   eval $(qpdf --completion-bash) or eval $(qpdf --completion-zsh)
+   to enable. The QPDF_EXECUTABLE environment variable overrides the
+   path to qpdf that these commands output.
+
+:command:`qpdf` provides its own completion support for zsh and bash.
+You can enable bash completion with :command:`eval $(qpdf
+--completion-bash)` and zsh completion with :command:`eval $(qpdf
+--completion-zsh)`. If :command:`qpdf` is not in your path, you should
+use an absolute path to qpdf in the above invocation. If you invoke it
+with a relative path, it will warn you, and the completion won't work
+if you're in a different directory.
+
+:command:`qpdf` will use ``argv0`` to figure out where its
+executable is. This may produce unwanted results in some cases,
+especially if you are trying to use completion with a copy of qpdf that
+is run directly out of the source tree or that is invoked with a
+wrapper script. You can specify a full path to the qpdf you want to
+use for completion in the ``QPDF_EXECUTABLE`` environment variable.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --completion-bash
+
+   .. help: enable bash completion
+
+      Output a command that enables bash completion
+
+   Output a completion command you can eval to enable shell completion
+   from bash.
+
+.. qpdf:option:: --completion-zsh
+
+   .. help: enable zsh completion
+
+      Output a command that enables zsh completion
+
+   Output a completion command you can eval to enable shell completion
+   from zsh.
+
+.. _help-options:
+
+Help/Information
+----------------
+
+.. help-topic help: information about qpdf
+
+   Help options provide some information about qpdf itself. Help
+   options are only valid as the first and only command-line argument.
+
+Help options provide some information about qpdf itself. Help options
+are only valid as the first and only command-line argument.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --help=--option|topic
+
+   .. help: provide help
+
+      --help: provide general information and a list of topics
+      --help=--option: provide help on a specific option
+      --help=topic: provide help on a topic
+
+   Display command-line invocation help. Use :samp:`--help={--option}`
+   for help on a specific option and :samp:`--help={topic}` for help
+   on a help topic and also provides a list of available help topics.
+
+.. qpdf:option:: --version
+
+   .. help: show qpdf version
+
+      Display the version of qpdf.
+
+   Display the version of qpdf. The version number displayed is the
+   one that is compiled into the qpdf library. If you don't see the
+   version number you expect, you may have more than one version of
+   :command:`qpdf` installed and may not have your library path set up
+   correctly.
+
+.. qpdf:option:: --copyright
+
+   .. help: show copyright information
+
+      Display copyright and license information.
+
+   Display copyright and license information.
+
+.. qpdf:option:: --show-crypto
+
+   .. help: show available crypto providers
+
+      Show a list of available crypto providers, one per line. The
+      default provider is shown first.
+
+   Show a list of available crypto providers, each on a line by
+   itself. The default provider is always listed first. See
+   :ref:`crypto` for more information about crypto providers.
+
+.. qpdf:option:: --job-json-help
+
+   .. help: show format of job JSON
+
+      Describe the format of the QPDFJob JSON input used by
+      --job-json-file.
+
+   Describe the format of the QPDFJob JSON input used by
+   :qpdf:ref:`--job-json-file`. For more information about QPDFJob,
+   see :ref:`qpdf-job`.
+
+.. _general-options:
+
+General Options
+---------------
+
+.. help-topic general: general options
+
+   General options control qpdf's behavior in ways that are not
+   directly related to the operation it is performing.
+
+This section describes general options that control :command:`qpdf`'s
+behavior. They are not necessarily related to the specific operation
+that is being performed and may be used whether or not an output file
+is being created.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --password=password
+
+   .. help: password for encrypted file
+
+      Specify a password for an encrypted, password-protected file.
+      Not needed for encrypted files without a password.
+
+   Specifies a password for accessing encrypted, password-protected
+   files. To read the password from a file or standard input, you can
+   use :qpdf:ref:`--password-file`.
+
+   Prior to 8.4.0, in the case of passwords that contain characters
+   that fall outside of 7-bit US-ASCII, qpdf left the burden of
+   supplying properly encoded encryption and decryption passwords to
+   the user. Starting in qpdf 8.4.0, qpdf does this automatically in
+   most cases. For an in-depth discussion, please see
+   :ref:`unicode-passwords`. Previous versions of this manual
+   described workarounds using the :command:`iconv` command. Such
+   workarounds are no longer required or recommended starting with
+   qpdf 8.4.0. However, for backward compatibility, qpdf attempts to
+   detect those workarounds and do the right thing in most cases.
+
+.. qpdf:option:: --password-file=filename
+
+   .. help: read password from a file
+
+      The first line of the specified file is used as the password.
+      This is used in place of the --password option.
+
+   Reads the first line from the specified file and uses it as the
+   password for accessing encrypted files. :samp:`{filename}` may be
+   ``-`` to read the password from standard input, but if you do that
+   the password is echoed and there is no prompt, so use ``-`` with
+   caution. Note that leading and trailing spaces are not stripped
+   from the password.
+
+.. qpdf:option:: --verbose
+
+   .. help: print additional information
+
+      Output additional information about various things qpdf is
+      doing, including information about files created and operations
+      performed.
+
+   Increase verbosity of output. This includes information about files
+   created, image optimization, and several other operations. In some
+   cases, it also displays additional information when inspection
+   options (see :ref:`inspection-options`) are used.
+
+.. qpdf:option:: --progress
+
+   .. help: show progress when writing
+
+      Indicate progress when writing files.
+
+   Indicate progress while writing output files. Progress indication
+   does not start until writing starts, so there may be a delay before
+   progress indicators are seen if complicated transformations are
+   being applied before the write process begins.
+
+.. qpdf:option:: --no-warn
+
+   .. help: suppress printing of warning messages
+
+      Suppress printing of warning messages. If warnings were
+      encountered, qpdf still exits with exit status 3.
+      Use --warning-exit-0 with --no-warn to completely ignore
+      warnings.
+
+   Suppress writing of warnings to stderr. If warnings were detected
+   and suppressed, :command:`qpdf` will still exit with exit code 3.
+   To completely ignore warnings, also specify
+   :qpdf:ref:`--warning-exit-0`. Use with caution as qpdf is not
+   always successful in recovering from situations that cause warnings
+   to be issued.
+
+.. qpdf:option:: --deterministic-id
+
+   .. help: generate ID deterministically
+
+      Generate a secure, random document ID only using static
+      information, such as the page contents. Does not use the file's
+      name or attributes or the current time.
+
+   Generate a secure, random document ID using deterministic values.
+   This prevents use of timestamp and output file name information in
+   the ID generation. Instead, at some slight additional runtime cost,
+   the ID field is generated to include a digest of the significant
+   parts of the content of the output PDF file. This means that a
+   given qpdf operation should generate the same ID each time it is
+   run, which can be useful when caching results or for generation of
+   some test data. Use of this flag is not compatible with creation of
+   encrypted files. This option can be useful for testing. See also
+   :qpdf:ref:`--static-id`.
+
+   While qpdf will generate the same deterministic ID given the same
+   output PDF, there is no guarantee that different versions of qpdf
+   will generate exactly the same PDF output for the same input and
+   options. While care is taken to avoid gratuitous changes to qpdf's
+   PDF generation, new versions of qpdf may include changes or bug
+   fixes that cause slightly different PDF code to be generated. Such
+   changes are noted in the release notes.
+
+.. qpdf:option:: --allow-weak-crypto
+
+   .. help: allow insecure cryptographic algorithms
+
+      Allow creation of files with weak cryptographic algorithms. This
+      option is necessary to create 40-bit files or 128-bit files that
+      use RC4 encryption.
+
+   Encrypted PDF files using 40-bit keys or 128-bit keys without AES
+   use the insecure *RC4* encryption algorithm. Starting with version
+   11.0, qpdf's default behavior is to refuse to write files using RC4
+   encryption. Use this option to allow creation of such files. In
+   versions 10.4 through 10.6, attempting to create weak encrypted
+   files was a warning, rather than an error, without this flag. See
+   :ref:`weak-crypto` for additional details.
+
+   No check is performed for weak crypto when preserving encryption
+   parameters from or copying encryption parameters from other files.
+   The rationale for this is discussed in :ref:`weak-crypto`.
+
+.. qpdf:option:: --keep-files-open=y|n
+
+   .. help: manage keeping multiple files open
+
+      When qpdf needs to work with many files, as when merging large
+      numbers of files, explicitly indicate whether files should be
+      kept open. The default behavior is to determine this based on
+      the number of files.
+
+   This option controls whether qpdf keeps individual files open while
+   merging. By default, qpdf keeps files open when merging unless more
+   than 200 files are specified, in which case files are opened as
+   needed and closed when finished. Repeatedly opening
+   and closing files may impose a large performance penalty with some
+   file systems, especially networked file systems. If you know that
+   you have a large enough open file limit and are suffering from
+   performance problems, or if you have an open file limit smaller
+   than 200, you can use this option to override the default behavior
+   by specifying :samp:`--keep-files-open=y` to force :command:`qpdf`
+   to keep files open or :samp:`--keep-files-open=n` to force it to
+   only open files as needed. See also
+   :qpdf:ref:`--keep-files-open-threshold`.
+
+   Historical note: prior to version 8.1.0, qpdf always kept all files
+   open, but this meant that the number of files that could be merged
+   was limited by the operating system's open file limit. Version
+   8.1.0 opened files as they were referenced and closed them after
+   each read, but this caused a major performance impact. Version
+   8.2.0 optimized the performance but did so in a way that, for local
+   file systems, there was a small but unavoidable performance hit,
+   but for networked file systems the performance impact could be
+   very high. The current behavior was introduced in qpdf version
+   8.2.1.
+
+.. qpdf:option:: --keep-files-open-threshold=count
+
+   .. help: set threshold for --keep-files-open
+
+      Set the threshold used by --keep-files-open, overriding the
+      default value of 200.
+
+   If specified, overrides the default value of 200 used as the
+   threshold for qpdf deciding whether or not to keep files open. See
+   :qpdf:ref:`--keep-files-open` for details.
+
+.. _advanced-control-options:
+
+Advanced Control Options
+------------------------
+
+.. help-topic advanced-control: tweak qpdf's behavior
+
+   Advanced control options control qpdf's behavior in ways that would
+   normally never be needed by a user but that may be useful to
+   developers or people investigating problems with specific files.
+
+Advanced control options control qpdf's behavior in ways that would
+normally never be needed by a user but that may be useful to
+developers or people investigating problems with specific files.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --password-is-hex-key
+
+   .. help: provide hex-encoded encryption key
+
+      Provide the underlying file encryption key as a hex-encoded
+      string rather than supplying a password. This is an expert
+      option.
+
+   Overrides the usual computation/retrieval of the PDF file's
+   encryption key from user/owner password with an explicit
+   specification of the encryption key. When this option is specified,
+   the parameter to the :qpdf:ref:`--password` option is interpreted as
+   a hexadecimal-encoded key value. This only applies to the password
+   used to open the main input file. It does not apply to other files
+   opened by :qpdf:ref:`--pages` or other options or to files being
+   written.
+
+   Most users will never have a need for this option, and no standard
+   viewers support this mode of operation, but it can be useful for
+   forensic or investigatory purposes. For example, if a PDF file is
+   encrypted with an unknown password, a brute-force attack using the
+   key directly is sometimes more efficient than one using the
+   password. Also, if a file is heavily damaged, it may be possible to
+   derive the encryption key and recover parts of the file using it
+   directly. To expose the encryption key used by an encrypted file
+   that you can open normally, use the
+   :qpdf:ref:`--show-encryption-key` option.
+
+.. qpdf:option:: --suppress-password-recovery
+
+   .. help: don't try different password encodings
+
+      Suppress qpdf's usual behavior of attempting different encodings
+      of a password that contains non-ASCII Unicode characters if the
+      first attempt doesn't succeed.
+
+   Ordinarily, qpdf attempts to automatically compensate for passwords
+   encoded with the wrong character encoding. This option suppresses
+   that behavior. Under normal conditions, there are no reasons to use
+   this option. See :ref:`unicode-passwords` for a discussion.
+
+.. qpdf:option:: --password-mode=mode
+
+   .. help: tweak how qpdf encodes passwords
+
+      Fine-tune how qpdf controls encoding of Unicode passwords. Valid
+      options are auto, bytes, hex-bytes, and unicode.
+
+   This option can be used to fine-tune how qpdf interprets Unicode
+   (non-ASCII) password strings passed on the command line. With the
+   exception of the :samp:`hex-bytes` mode, these only apply to
+   passwords provided when encrypting files. The :samp:`hex-bytes`
+   mode also applies to passwords specified for reading files. For
+   additional discussion of the supported password modes and when you
+   might want to use them, see :ref:`unicode-passwords`. The following
+   modes are supported:
+
+   - :samp:`auto`: Automatically determine whether the specified
+     password is a properly encoded Unicode (UTF-8) string, and
+     transcode it as required by the PDF spec based on the type of
+     encryption being applied. On Windows starting with version 8.4.0,
+     and on almost all other modern platforms, incoming passwords will
+     be properly encoded in UTF-8, so this is almost always what you
+     want.
+
+   - :samp:`unicode`: Tells qpdf that the incoming password is UTF-8,
+     overriding whatever its automatic detection determines. The only
+     difference between this mode and :samp:`auto` is that qpdf will
+     fail with an error message if the password is not valid UTF-8
+     instead of falling back to :samp:`bytes` mode with a warning.
+
+   - :samp:`bytes`: Interpret the password as a literal byte string.
+     For non-Windows platforms, this is what versions of qpdf prior to
+     8.4.0 did. For Windows platforms, there is no way to specify
+     strings of binary data on the command line directly, but you can
+     use a :samp:`@filename` option or :qpdf:ref:`--password-file` to
+     do it, in which case this option forces qpdf to respect the
+     string of bytes as provided. Note that this option may cause you
+     to encrypt PDF files with passwords that will not be usable by
+     other readers.
+
+   - :samp:`hex-bytes`: Interpret the password as a hex-encoded
+     string. This provides a way to pass binary data as a password on
+     all platforms including Windows. As with :samp:`bytes`, this
+     option may allow creation of files that can't be opened by other
+     readers. This mode affects qpdf's interpretation of passwords
+     specified for decrypting files as well as for encrypting them. It
+     makes it possible to specify strings that are encoded in some
+     manner other than the system's default encoding.
+
+.. qpdf:option:: --suppress-recovery
+
+   .. help: suppress error recovery
+
+      Avoid attempting to recover when errors are found in a file's
+      cross reference table or stream lengths.
+
+   Prevents qpdf from attempting to reconstruct a file's cross
+   reference table when there are errors reading objects from the
+   file. Recovery is triggered by a variety of situations. While
+   usually successful, it uses heuristics that don't work on all
+   files. If this option is given, :command:`qpdf` fails on the first
+   error it encounters.
+
+.. qpdf:option:: --ignore-xref-streams
+
+   .. help: use xref tables rather than streams
+
+      Ignore any cross-reference streams in the file, falling back to
+      cross-reference tables or triggering document recovery.
+
+   Tells qpdf to ignore any cross-reference streams, falling back to
+   any embedded cross-reference tables or triggering document
+   recovery. Ordinarily, qpdf reads cross-reference streams when they
+   are present in a PDF file. If this option is specified,
+   qpdf will ignore any cross-reference streams for hybrid PDF files.
+   The purpose of hybrid files is to make some content available to
+   viewers that are not aware of cross-reference streams. It is almost
+   never desirable to ignore them. The only time when you might want
+   to use this feature is if you are testing creation of hybrid PDF
+   files and wish to see how a PDF consumer that doesn't understand
+   object and cross-reference streams would interpret such a file.
+
+.. _transformation-options:
+
+PDF Transformation
+------------------
+
+.. help-topic transformation: make structural PDF changes
+
+   The options below tell qpdf to apply transformations that change
+   the structure without changing the content.
+
+The options discussed in this section tell qpdf to apply
+transformations that change the structure of a PDF file without
+changing its content. Examples include creating linearized
+(web-optimized) files, adding or removing encryption, restructuring
+files for older viewers, and rewriting files for human inspection. See
+also :ref:`modification-options`.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --linearize
+
+   .. help: linearize (web-optimize) output
+
+      Create linearized (web-optimized) output files.
+
+   Create linearized (web-optimized) output files. Linearized files
+   are formatted in a way that allows compliant readers to begin
+   displaying a PDF file before it is fully downloaded. Ordinarily,
+   the entire file must be present before it can be rendered because
+   important cross-reference information typically appears at the end
+   of the file.
+
+.. qpdf:option:: --encrypt user-password owner-password key-length options --
+
+   .. help: start encryption options
+
+      Run qpdf --help=encryption for details.
+
+   This flag starts encryption options, used to create encrypted
+   files. Please see :ref:`encryption-options` for details.
+
+.. qpdf:option:: --decrypt
+
+   .. help: remove encryption from input file
+
+      Create an unencrypted output file even if the input file was
+      encrypted. Normally qpdf preserves whatever encryption was
+      present on the input file. This option overrides that behavior.
+
+   Create an output file with no encryption even if the input file is
+   encrypted. This option overrides the default behavior of preserving
+   whatever encryption was present on the input file. This
+   functionality is not intended to be used for bypassing copyright
+   restrictions or other restrictions placed on files by their
+   producers. See also :qpdf:ref:`--copy-encryption`.
+
+.. qpdf:option:: --copy-encryption=file
+
+   .. help: copy another file's encryption details
+
+      Copy encryption details from the specified file instead of
+      preserving the input file's encryption. Use --encryption-file-password
+      to specify the encryption file's password.
+
+   Copy all encryption parameters, including the user password, the
+   owner password, and all security restrictions, from the specified
+   file instead of preserving the encryption details from the input
+   file. This works even if only one of the user password or owner
+   password is known. If the encryption file requires a password, use
+   the :qpdf:ref:`--encryption-file-password` option to set it. Note
+   that copying the encryption parameters from a file also copies the
+   first half of ``/ID`` from the file since this is part of the
+   encryption parameters. This option can be useful if you need to
+   decrypt a file to make manual changes to it or to change it outside
+   of qpdf, and then want to restore the original encryption on the
+   file without having to manual specify all the individual settings.
+   See also :qpdf:ref:`--decrypt`.
+
+   Checks for weak cryptographic algorithms are intentionally not made
+   by this operation. See :ref:`weak-crypto` for the rationale.
+
+.. qpdf:option:: --encryption-file-password=password
+
+   .. help: supply password for --copy-encryption
+
+      If the file named in --copy-encryption requires a password, use
+      this option to supply the password.
+
+   If the file specified with :qpdf:ref:`--copy-encryption`
+   requires a password, supply the password using this option. This
+   option is necessary because the :qpdf:ref:`--password` option
+   applies to the input file, not the file from which encryption is
+   being copied.
+
+.. qpdf:option:: --qdf
+
+   .. help: enable viewing PDF code in a text editor
+
+      Create a PDF file suitable for viewing in a text editor and even
+      editing. This is for editing the PDF code, not the page contents.
+      All streams that can be uncompressed are uncompressed, and
+      content streams are normalized, among other changes. The
+      companion tool "fix-qdf" can be used to repair hand-edited QDF
+      files. QDF is a feature specific to the qpdf tool. Please see
+      the "QDF Mode" chapter in the manual.
+
+   Create a PDF file suitable for viewing and editing in a text
+   editor. This is to edit the PDF code, not the page contents. To
+   edit a QDF file, your text editor must preserve binary data. In a
+   QDF file, all streams that can be uncompressed are uncompressed,
+   and content streams are normalized, among other changes. The
+   companion tool :command:`fix-qdf` can be used to repair hand-edited
+   QDF files. QDF is a feature specific to the qpdf tool. For
+   additional information, see :ref:`qdf`. Note that
+   :qpdf:ref:`--linearize` disables QDF mode.
+
+   QDF mode has full support for object streams, but sometimes it's
+   easier to locate a specific object if object streams are disabled.
+   When trying to understand some PDF construct by inspecting an
+   existing file, it can be useful to combine :samp:`--qdf` with
+   :samp:`--object-streams=disable`.
+
+   This flag changes some of the defaults of other options: stream
+   data is uncompressed, content streams are normalized, and
+   encryption is removed. These defaults can still be overridden by
+   specifying the appropriate options with :samp:`--qdf`.
+   Additionally, in QDF mode, stream lengths are stored as indirect
+   objects, objects are formatted in a less efficient but more
+   readable fashion, and the documents are interspersed with comments
+   that make it easier for the user to find things and also make it
+   possible for :command:`fix-qdf` to work properly. When editing QDF
+   files, it is not necessary to maintain the object formatting.
+
+   When normalizing content, if qpdf runs into any lexical errors, it
+   will print a warning indicating that content may be damaged. If you
+   want to create QDF files without content normalization, specify
+   :samp:`--qdf --normalize-content=n`. You can also create a non-QDF
+   file with uncompressed streams using
+   :samp:`--stream-data=uncompress`. Either option will uncompress all
+   the streams but will not attempt to normalize content. Please note
+   that if you are using content normalization or QDF mode for the
+   purpose of manually inspecting files, you don't have to care about
+   this.
+
+   See also :qpdf:ref:`--no-original-object-ids`.
+
+.. qpdf:option:: --no-original-object-ids
+
+   .. help: omit original object IDs in qdf
+
+      Omit comments in a QDF file indicating the object ID an object
+      had in the original file.
+
+   Suppresses inclusion of original object ID comments in QDF files.
+   This can be useful when generating QDF files for test purposes,
+   particularly when comparing them to determine whether two PDF files
+   have identical content. The original object ID comment is there by
+   default because it makes it easier to trace objects back to the
+   original file.
+
+.. qpdf:option:: --compress-streams=y|n
+
+   .. help: compress uncompressed streams
+
+      Setting --compress-streams=n prevents qpdf from compressing
+      uncompressed streams. This can be useful if you are leaving some
+      streams uncompressed intentionally.
+
+   By default, or with :samp:`--compress-streams=y`, qpdf will
+   compress streams using the flate compression algorithm (used by zip
+   and gzip) unless those streams are compressed in some other way.
+   This analysis is made after qpdf attempts to uncompress streams and
+   is therefore closely related to :qpdf:ref:`--decode-level`. To
+   suppress this behavior and leave streams streams uncompressed, use
+   :samp:`--compress-streams=n`. In QDF mode (see :ref:`qdf` and
+   :qpdf:ref:`--qdf`), the default is to leave streams uncompressed.
+
+.. qpdf:option:: --decode-level=parameter
+
+   .. help: control which streams to uncompress
+
+      When uncompressing streams, control which types of compression
+      schemes should be uncompressed:
+      - none: don't uncompress anything. This is the default with
+        --json-output.
+      - generalized: uncompress streams compressed with a
+        general-purpose compression algorithm. This is the default
+        except when --json-output is given.
+      - specialized: in addition to generalized, also uncompress
+        streams compressed with a special-purpose but non-lossy
+        compression scheme
+      - all: in addition to specialized, uncompress streams compressed
+        with lossy compression schemes like JPEG (DCT)
+      qpdf does not know how to uncompress all compression schemes.
+
+   Controls which streams qpdf tries to decode. The default is
+   :samp:`generalized`.
+
+   The following values for :samp:`{parameter}` are available:
+
+   - :samp:`none`: do not attempt to decode any streams. This is the
+     default with :qpdf:ref:`--json-output`.
+
+   - :samp:`generalized`: decode streams filtered with supported
+     generalized filters: ``/LZWDecode``, ``/FlateDecode``,
+     ``/ASCII85Decode``, and ``/ASCIIHexDecode``. We define
+     generalized filters as those to be used for general-purpose
+     compression or encoding, as opposed to filters specifically
+     designed for image data. This is the default except when
+     :qpdf:ref:`--json-output` is given.
+
+   - :samp:`specialized`: in addition to generalized, decode streams
+     with supported non-lossy specialized filters; currently this is
+     just ``/RunLengthDecode``
+
+   - :samp:`all`: in addition to generalized and specialized, decode
+     streams with supported lossy filters; currently this is just
+     ``/DCTDecode`` (JPEG)
+
+   There are several filters that :command:`qpdf` does not support.
+   These are left untouched regardless of the option. Future versions
+   of qpdf may support additional filters.
+
+   Because the default value is ``generalized``, qpdf's default
+   behavior is to uncompress any stream that is encoded using
+   non-lossy filters that qpdf understands. If
+   ``--compress-streams=y`` is also in effect, which is the default
+   (see :qpdf:ref:`--compress-streams`), the overall effect is that
+   qpdf will recompress streams with generalized filters using flate
+   compression, effectively eliminating LZW and ASCII-based filters.
+   This is usually desirable behavior but can be disabled with
+   ``--decode-level=none``. Note that ``--decode-level=none`` is the
+   default when :qpdf:ref:`--json-output` is specified, but it can be
+   overridden in that case as well.
+
+   As a special case, streams already compressed with ``/FlateDecode``
+   are not uncompressed and recompressed. You can change this behavior
+   with :qpdf:ref:`--recompress-flate`.
+
+.. qpdf:option:: --stream-data=parameter
+
+   .. help: control stream compression
+
+      This option controls how streams are compressed in the output.
+      It is less granular than the newer options, --compress-streams
+      and --decode-level.
+
+      Parameters:
+      - compress: same as --compress-streams=y --decode-level=generalized
+      - preserve: same as --compress-streams=n --decode-level=none
+      - uncompress: same as --compress-streams=n --decode-level=generalized
+
+   Controls transformation of stream data. This option predates the
+   :qpdf:ref:`--compress-streams` and :qpdf:ref:`--decode-level`
+   options. Those options can be used to achieve the same effect with
+   more control. The value of :samp:`{parameter}` may be one of the
+   following:
+
+   - :samp:`compress`: recompress stream data when possible (default);
+     equivalent to :samp:`--compress-streams=y`
+     :samp:`--decode-level=generalized`. Does not recompress streams
+     already compressed with ``/FlateDecode`` unless
+     :qpdf:ref:`--recompress-flate` is also specified.
+
+   - :samp:`preserve`: leave all stream data as is; equivalent to
+     :samp:`--compress-streams=n` :samp:`--decode-level=none`
+
+   - :samp:`uncompress`: uncompress stream data compressed with
+     generalized filters when possible; equivalent to
+     :samp:`--compress-streams=n` :samp:`--decode-level=generalized`
+
+.. qpdf:option:: --recompress-flate
+
+   .. help: uncompress and recompress flate
+
+      The default generalized compression scheme used by PDF is flate,
+      which is the same as used by zip and gzip. Usually qpdf just
+      leaves these alone. This option tells qpdf to uncompress and
+      recompress streams compressed with flate. This can be useful
+      when combined with --compression-level.
+
+   The default generalized compression scheme used by PDF is flate
+   (``/FlateDecode``), which is the same as used by :command:`zip` and
+   :command:`gzip`. Usually qpdf just leaves these alone. This option
+   tells :command:`qpdf` to uncompress and recompress streams
+   compressed with flate. This can be useful when combined with
+   :qpdf:ref:`--compression-level`. Using this option may make
+   :command:`qpdf` much slower when writing output files.
+
+.. qpdf:option:: --compression-level=level
+
+   .. help: set compression level for flate
+
+      Set a compression level from 1 (least, fastest) to 9 (most,
+      slowest) when compressing files with flate (used in zip and
+      gzip), which is the default compression for most PDF files.
+      You need --recompress-flate with this option if you want to
+      change already compressed streams.
+
+   When writing new streams that are compressed with ``/FlateDecode``,
+   use the specified compression level. The value of :samp:`level`
+   should be a number from 1 to 9 and is passed directly to zlib,
+   which implements deflate compression. Lower numbers compress less
+   and are faster; higher numbers compress more and are slower. Note
+   that :command:`qpdf` doesn't uncompress and recompress streams
+   compressed with flate by default. To have this option apply to
+   already compressed streams, you should also specify
+   :qpdf:ref:`--recompress-flate`. If your goal is to shrink the size
+   of PDF files, you should also use
+   :samp:`--object-streams=generate`. If you omit this option, qpdf
+   defers to the compression library's default behavior.
+
+.. qpdf:option:: --normalize-content=y|n
+
+   .. help: fix newlines in content streams
+
+      Normalize newlines to UNIX-style newlines in PDF content
+      streams, which is useful for viewing them in a programmer's text
+      editor across multiple platforms. This is also turned on by
+      --qdf.
+
+   Enables or disables normalization of newlines in PDF content
+   streams to UNIX-style newlines, which is useful for viewing files
+   in a programmer-friendly text edit across multiple platforms.
+   Content normalization is off by default, but is automatically
+   enabled by :qpdf:ref:`--qdf` (see also :ref:`qdf`). It is not
+   recommended to use this option for production use. If qpdf runs
+   into any lexical errors while normalizing content, it will print a
+   warning indicating that content may be damaged.
+
+.. qpdf:option:: --object-streams=mode
+
+   .. help: control use of object streams
+
+      Control what qpdf does regarding object streams. Options:
+      - preserve: preserve original object streams, if any (the default)
+      - disable: create output files with no object streams
+      - generate: create object streams, and compress objects when possible
+
+   Controls handling of object streams. The value of :samp:`{mode}`
+   may be one of the following:
+
+   .. list-table:: Object Stream Modes
+      :widths: 10 80
+      :header-rows: 0
+
+      - - :samp:`preserve`
+        - preserve original object streams, if any (the default)
+
+      - - :samp:`disable`
+        - create output files with no object streams
+
+      - - :samp:`generate`
+        - create object streams, and compress objects when possible
+
+   Object streams are PDF streams that contain other objects. Putting
+   objects into object streams allows the PDF objects themselves to be
+   compressed, which can result in much smaller PDF files. Combining
+   this option with :qpdf:ref:`--compression-level` and
+   :qpdf:ref:`--recompress-flate` can often result in the creation of
+   smaller PDF files.
+
+   Object streams, also known as compressed objects, were introduced
+   into the PDF specification at version 1.5 around 2003. Some ancient
+   PDF viewers may not support files with object streams. qpdf can be
+   used to transform files with object streams into files without object
+   streams or vice versa.
+
+   In :samp:`preserve` mode, the relationship between objects and the
+   streams that contain them is preserved from the original file. If
+   the file has no object streams, qpdf will not add any. In
+   :samp:`disable` mode, all objects are written as regular,
+   uncompressed objects. The resulting file should be structurally
+   readable by older PDF viewers, though there is still a chance that
+   the file may contain other content that some older readers can't
+   support. In :samp:`generate` mode, qpdf will create its own object
+   streams. This will usually result in more compact PDF files. In
+   this mode, qpdf will also make sure the PDF version number in the
+   header is at least 1.5.
+
+.. qpdf:option:: --preserve-unreferenced
+
+   .. help: preserve unreferenced objects
+
+      Preserve all objects from the input even if not referenced.
+
+   Tells qpdf to preserve objects that are not referenced when writing
+   the file. Ordinarily any object that is not referenced in a
+   traversal of the document from the trailer dictionary will be
+   discarded. Disabling this default behavior may be useful in working
+   with some damaged files or inspecting files with known unreferenced
+   objects.
+
+   This flag is ignored for linearized files and has the effect of
+   causing objects in the new file to be written ordered by object ID
+   from the original file. This does not mean that object numbers will
+   be the same since qpdf may create stream lengths as direct or
+   indirect differently from the original file, and the original file
+   may have gaps in its numbering.
+
+   See also :qpdf:ref:`--preserve-unreferenced-resources`, which does
+   something completely different.
+
+.. qpdf:option:: --remove-unreferenced-resources=parameter
+
+   .. help: remove unreferenced page resources
+
+      Remove from a page's resource dictionary any resources that are
+      not referenced in the page's contents. Parameters: "auto"
+      (default), "yes", "no".
+
+   Parameters: ``auto`` (the default), ``yes``, or ``no``.
+
+   Starting with qpdf 8.1, when splitting pages, qpdf is able to
+   attempt to remove images and fonts that are not used by a page even
+   if they are referenced in the page's resources dictionary. When
+   shared resources are in use, this behavior can greatly reduce the
+   file sizes of split pages, but the analysis is very slow. In
+   versions from 8.1 through 9.1.1, qpdf did this analysis by default.
+   Starting in qpdf 10.0.0, if ``auto`` is used, qpdf does a quick
+   analysis of the file to determine whether the file is likely to
+   have unreferenced objects on pages, a pattern that frequently
+   occurs when resource dictionaries are shared across multiple pages
+   and rarely occurs otherwise. If it discovers this pattern, then it
+   will attempt to remove unreferenced resources. Usually this means
+   you get the slower splitting speed only when it's actually going to
+   create smaller files. You can suppress removal of unreferenced
+   resources altogether by specifying ``no`` or force qpdf to do the
+   full algorithm by specifying ``yes``.
+
+   Other than cases in which you don't care about file size and care a
+   lot about runtime, there are few reasons to use this option,
+   especially now that ``auto`` mode is supported. One reason to use
+   this is if you suspect that qpdf is removing resources it shouldn't
+   be removing. If you encounter such a case, please report it as a bug at
+   https://github.com/qpdf/qpdf/issues/.
+
+.. qpdf:option:: --preserve-unreferenced-resources
+
+   .. help: use --remove-unreferenced-resources=no
+
+      Synonym for --remove-unreferenced-resources=no. Use that instead.
+
+   This is a synonym for :samp:`--remove-unreferenced-resources=no`.
+   See :qpdf:ref:`--remove-unreferenced-resources`.
+
+   See also :qpdf:ref:`--preserve-unreferenced`, which does something
+   completely different. To reduce confusion, you should use
+   :samp:`--remove-unreferenced-resources=no` instead.
+
+.. qpdf:option:: --newline-before-endstream
+
+   .. help: force a newline before endstream
+
+      For an extra newline before endstream. Using this option enables
+      qpdf to preserve PDF/A when rewriting such files.
+
+   Tell qpdf to insert a newline before the ``endstream`` keyword,
+   not counted in the length, after any stream content even if the
+   last character of the stream was a newline. This may result in two
+   newlines in some cases. This is a requirement of PDF/A. While qpdf
+   doesn't specifically know how to generate PDF/A-compliant PDFs,
+   this at least prevents it from removing compliance on already
+   compliant files.
+
+.. qpdf:option:: --coalesce-contents
+
+   .. help: combine content streams
+
+      If a page has an array of content streams, concatenate them into
+      a single content stream.
+
+   When a page's contents are split across multiple streams, this
+   option causes qpdf to combine them into a single stream. Use of
+   this option is never necessary for ordinary usage, but it can help
+   when working with some files in some cases. For example, this can
+   be combined with QDF mode or content normalization to make it
+   easier to look at all of a page's contents at once. It is common
+   for PDF writers to create multiple content streams for a variety of
+   reasons such as making it easier to modify page contents and
+   splitting very large content streams so PDF viewers may be able to
+   use less memory.
+
+.. qpdf:option:: --externalize-inline-images
+
+   .. help: convert inline to regular images
+
+      Convert inline images to regular images.
+
+   Convert inline images to regular images. By default, images whose
+   data is at least 1,024 bytes are converted when this option is
+   selected. Use :qpdf:ref:`--ii-min-bytes` to change the size
+   threshold. This option is implicitly selected when
+   :qpdf:ref:`--optimize-images` is selected unless
+   :qpdf:ref:`--keep-inline-images` is also specified.
+
+.. qpdf:option:: --ii-min-bytes=size-in-bytes
+
+   .. help: set minimum size for --externalize-inline-images
+
+      Don't externalize inline images smaller than this size. The
+      default is 1,024. Use 0 for no minimum.
+
+   Avoid converting inline images whose size is below the specified
+   minimum size to regular images. The default is 1,024 bytes. Use 0
+   for no minimum.
+
+.. qpdf:option:: --min-version=version
+
+   .. help: set minimum PDF version
+
+      Force the PDF version of the output to be at least the specified
+      version. The version number format is
+      "major.minor.extension-level", which sets the version header
+      to "major.minor" and the extension level, if specified, to
+      "extension-level".
+
+   Force the PDF version of the output file to be at least
+   :samp:`{version}`. In other words, if the input file has a lower
+   version than the specified version, the specified version will be
+   used. If the input file has a higher version, the input file's
+   original version will be used. It is seldom necessary to use this
+   option since qpdf will automatically increase the version as needed
+   when adding features that require newer PDF readers.
+
+   The version number may be expressed in the form
+   :samp:`{major}.{minor}.{extension-level}`. If
+   :samp:`.{extension-level}`, is given, version is interpreted as
+   :samp:`{major.minor}` at extension level :samp:`{extension-level}`.
+   For example, version ``1.7.8`` represents version 1.7 at extension
+   level 8. Note that minimal syntax checking is done on the command
+   line. :command:`qpdf` does not check whether the specified version
+   is actually required.
+
+.. qpdf:option:: --force-version=version
+
+   .. help: set output PDF version
+
+      Force the output PDF file's PDF version header to be the specified
+      value, even if the file uses features that may not be available
+      in that version.
+
+   This option forces the PDF version to be the exact version
+   specified *even when the file may have content that is not
+   supported in that version*. The version number is interpreted in
+   the same way as with :qpdf:ref:`--min-version` so that extension
+   levels can be set. In some cases, forcing the output file's PDF
+   version to be lower than that of the input file will cause qpdf to
+   disable certain features of the document. Specifically, 256-bit
+   keys are disabled if the version is less than 1.7 with extension
+   level 8 (except the deprecated, unsupported "R5" format is allowed
+   with extension levels 3 through 7), AES encryption is disabled if
+   the version is less than 1.6, cleartext metadata and object streams
+   are disabled if less than 1.5, 128-bit encryption keys are disabled
+   if less than 1.4, and all encryption is disabled if less than 1.3.
+   Even with these precautions, qpdf won't be able to do things like
+   eliminate use of newer image compression schemes, transparency
+   groups, or other features that may have been added in more recent
+   versions of PDF.
+
+   As a general rule, with the exception of big structural things like
+   the use of object streams or AES encryption, PDF viewers are
+   supposed to ignore features they don't support. This means that
+   forcing the version to a lower version may make it possible to open
+   your PDF file with an older version, though bear in mind that some
+   of the original document's functionality may be lost.
+
+.. _page-ranges:
+
+Page Ranges
+-----------
+
+.. help-topic page-ranges: page range syntax
+
+   A full description of the page range syntax, with examples, can be
+   found in the manual. Summary:
+
+   - a,b,c    pages a, b, and c
+   - a-b      pages a through b inclusive; if a > b, this counts down
+   - r<n>     where <n> represents a number is the <n>th page from the end
+   - z        the last page, same as r1
+
+   You can append :even or :odd to select every other page from the
+   resulting set of pages, where :odd starts with the first page and
+   :even starts with the second page. These are odd and even pages
+   from the resulting set, not based on the original page numbers.
+
+Several :command:`qpdf` command-line options use page ranges. This
+section describes the syntax of a page range.
+
+- A plain number indicates a page numbered from ``1``, so ``1``
+  represents the first page.
+
+- A number preceded by ``r`` counts from the end, so ``r1`` is the
+  last page, ``r2`` is the second-to-last page, etc.
+
+- The letter ``z`` represents the last page and is the same as ``r1``.
+
+- Page numbers may appear in any order separated by commas.
+
+- Two page numbers separated by dashes represents the inclusive range
+  of pages from the first to the second. If the first number is higher
+  than the second number, it is the range of pages in reverse.
+
+- The range may be appended with ``:odd`` or ``:even`` to select only
+  pages from the resulting range in odd or even positions. In this
+  case, odd and even refer to positions in the final range, not
+  whether the original page number is odd or even.
+
+.. list-table:: Example Page Ranges
+   :widths: 20 80
+   :header-rows: 0
+
+   - - ``1,6,4``
+     - pages 1, 6, and 4 in that order
+
+   - - ``3-7``
+     - pages 3 through 7 inclusive in increasing order
+
+   - - ``7-3``
+     - pages 7, 6, 5, 4, and 3 in that order
+
+   - - ``1-z``
+     - all pages in order
+
+   - - ``z-1``
+     - all pages in reverse order
+
+   - - ``1,3,5-9,15-12``
+     - pages 1, 3, 5, 6, 7, 8, 9, 15, 14, 13, and 12 in that order
+
+   - - ``r3-r1``
+     - the last three pages of the document
+
+   - - ``r1-r3``
+     - the last three pages of the document in reverse order
+
+   - - ``1-20:even``
+     - even pages from 2 to 20
+
+   - - ``5,7-9,12``
+     - pages 5, 7, 8, 9, and 12
+
+   - - ``5,7-9,12:odd``
+     - pages 5, 8, and 12, which are the pages in odd positions from
+       the original set of 5, 7, 8, 9, 12
+
+   - - ``5,7-9,12:even``
+     - pages 7 and 9, which are the pages in even positions from the
+       original set of 5, 7, 8, 9, 12
+
+.. _modification-options:
+
+PDF Modification
+----------------
+
+.. help-topic modification: change parts of the PDF
+
+   Modification options make systematic changes to certain parts of
+   the PDF, causing the PDF to render differently from the original.
+
+Modification options make systematic changes to certain parts of the
+PDF, causing the PDF to render differently from the original. See also
+:ref:`transformation-options`.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --pages file --password=password page-range ... --
+
+   .. help: begin page selection
+
+      Run qpdf --help=page-selection for details.
+
+   This flag starts page selection options, which are used to select
+   pages from one or more input files to perform operations such as
+   splitting, merging, and collating files.
+
+   Please see :ref:`page-selection` for details about selecting pages.
+
+   See also :qpdf:ref:`--split-pages`, :qpdf:ref:`--collate`,
+   :ref:`page-ranges`.
+
+.. qpdf:option:: --collate=n
+
+   .. help: collate with --pages
+
+      Collate rather than concatenate pages specified with --pages.
+      With a numeric parameter, collate in groups of n. The default
+      is 1. Run qpdf --help=page-selection for additional details.
+
+   This option causes :command:`qpdf` to collate rather than
+   concatenate pages specified with :qpdf:ref:`--pages`. With a
+   numeric parameter, collate in groups of :samp:`{n}`. The default
+   is 1.
+
+   Please see :ref:`page-selection` for additional details.
+
+.. qpdf:option:: --split-pages=n
+
+   .. help: write pages to separate files
+
+      This option causes qpdf to create separate output files for each
+      page or group of pages rather than a single output file.
+
+      File names are generated from the specified output file as follows:
+
+      - If the string %d appears in the output file name, it is replaced with a
+        zero-padded page range starting from 1
+      - Otherwise, if the output file name ends in .pdf (case insensitive), a
+        zero-padded page range, preceded by a dash, is inserted before the file
+        extension
+      - Otherwise, the file name is appended with a zero-padded page range
+        preceded by a dash.
+
+      Page ranges are single page numbers for single-page groups or first-last
+      for multi-page groups.
+
+   Write each group of :samp:`{n}` pages to a separate output file. If
+   :samp:`{n}` is not specified, create single pages. Output file
+   names are generated as follows:
+
+   - If the string ``%d`` appears in the output file name, it is
+     replaced with a range of zero-padded page numbers starting
+     from 1.
+
+   - Otherwise, if the output file name ends in :file:`.pdf` (case
+     insensitive), a zero-padded page range, preceded by a dash, is
+     inserted before the file extension.
+
+   - Otherwise, the file name is appended with a zero-padded page
+     range preceded by a dash.
+
+   Zero padding is added to all page numbers in file names so that all
+   the numbers are the same length, which causes the output filenames
+   to sort lexically in numerical order.
+
+   Page ranges are a single number in the case of single-page groups or
+   two numbers separated by a dash otherwise.
+
+   Here are some examples. In these examples, :file:`infile.pdf` has
+   12 pages.
+
+   - ``qpdf --split-pages infile.pdf %d-out``: output files are
+     :file:`01-out` through :file:`12-out` with no extension.
+
+   - ``qpdf --split-pages=2 infile.pdf outfile.pdf``: output files are
+     :file:`outfile-01-02.pdf` through :file:`outfile-11-12.pdf`
+
+   - ``qpdf --split-pages infile.pdf something.else`` would generate
+     files :file:`something.else-01` through
+     :file:`something.else-12`. The extension ``.else`` is not treated
+     in any special way regarding the placement of the number.
+
+   Note that outlines, threads, and other document-level features of
+   the original PDF file are not preserved. For each page of output,
+   this option creates an empty PDF and copies a single page from the
+   output into it. If you require the document-level data, you will
+   have to run :command:`qpdf` with the :qpdf:ref:`--pages` option
+   once for each page. Using :qpdf:ref:`--split-pages` is much faster
+   if you don't require the document-level data. A future version of
+   qpdf may support preservation of some document-level information.
+
+.. qpdf:option:: --overlay file options --
+
+   .. help: begin overlay options
+
+      Overlay pages from another file on the output.
+      Run qpdf --help=overlay-underlay for details.
+
+   Overlay pages from another file on the output.
+
+   See :ref:`overlay-underlay` for details.
+
+.. qpdf:option:: --underlay file options --
+
+   .. help: begin underlay options
+
+      Underlay pages from another file on the output.
+      Run qpdf --help=overlay-underlay for details.
+
+   Underlay pages from another file on the output.
+
+   See :ref:`overlay-underlay` for details.
+
+.. qpdf:option:: --flatten-rotation
+
+   .. help: remove rotation from page dictionary
+
+      For each page that is rotated using the /Rotate key in the
+      page's dictionary, remove the /Rotate key and implement the
+      identical rotation semantics by modifying the page's contents.
+      This can be useful if a broken PDF viewer fails to properly
+      consider page rotation metadata.
+
+   For each page that is rotated using the ``/Rotate`` key in the
+   page's dictionary, remove the ``/Rotate`` key and implement the
+   identical rotation semantics by modifying the page's contents. This
+   option can be useful to prepare files for buggy PDF applications
+   that don't properly handle rotated pages. There is usually no
+   reason to use this option unless you are working around a specific
+   problem.
+
+.. qpdf:option:: --flatten-annotations=parameter
+
+   .. help: push annotations into content
+
+      Push page annotations into the content streams. This may be
+      necessary in some case when printing or splitting files.
+      Parameters: "all", "print", "screen".
+
+   This option collapses annotations into the pages' contents with
+   special handling for form fields. Ordinarily, an annotation is
+   rendered separately and on top of the page. Combining annotations
+   into the page's contents effectively freezes the placement of the
+   annotations, making them look right after various page
+   transformations. The library functionality backing this option was
+   added for the benefit of programs that want to create *n-up* page
+   layouts and other similar things that don't work well with
+   annotations. The value of :samp:`{parameter}` may be any of the
+   following:
+
+   .. list-table:: Flatten Annotation Parameters
+      :widths: 10 80
+      :header-rows: 0
+
+      - - :samp:`all`
+        - include all annotations that are not marked invisible or
+          hidden
+
+      - - :samp:`print`
+        - only include annotations that should appear when the page is
+          printed
+
+      - - :samp:`screen`
+        - omit annotations that should not appear on the screen
+
+   In a PDF file, interactive form fields have a value and,
+   independently, a set of instructions, called an appearance, to
+   render the filled-in field. If a form is filled in by a program
+   that doesn't know how to update the appearances, they may become
+   inconsistent with the fields' values. If qpdf detects this case,
+   its default behavior is not to flatten those annotations because
+   doing so would cause the value of the form field to be lost. This
+   gives you a chance to go back and resave the form with a program
+   that knows how to generate appearances. qpdf itself can generate
+   appearances with some limitations. See the
+   :qpdf:ref:`--generate-appearances` option for details.
+
+.. qpdf:option:: --rotate=+|-angle:page-range
+
+   .. help: rotate pages
+
+      Rotate specified pages by multiples of 90 degrees specifying
+      either absolute or relative angles. "angle" may be 0, 90, 180,
+      or 270. You almost always want to use +angle or -angle rather
+      than just angle, as discussed in the manual. Run
+      qpdf --help=page-ranges for help with page ranges.
+
+   Rotate the specified range of pages by the specified angle, which
+   must be a multiple of 90 degrees.
+
+   The value of :samp:`{angle}` may be ``0``, ``90``, ``180``, or ``270``.
+
+   For a description of the syntax of :samp:`{page-range}`, see
+   :ref:`page-ranges`. If the page range is omitted, the rotation is
+   applied to all pages.
+
+   If ``+`` is prepended to :samp:`{angle}`, the angle is added, so an
+   angle of ``+90`` indicates a 90-degree clockwise rotation. If ``-``
+   is prepended, the angle is subtracted, so ``-90`` is a 90-degree
+   counterclockwise rotation and is exactly the same as ``+270``.
+
+   If neither ``+`` or ``-`` is prepended, the rotation angle is set
+   exactly. You almost always want ``+`` or ``-`` since, without
+   inspecting the actual PDF code, it is impossible to know whether a
+   page that appears to be rotate is rotated "naturally" or has been
+   rotated by specifying rotation. For example, if a page appears to
+   contain a portrait-mode image rotated by 90 degrees so that the top
+   of the image is on the right edge of the page, there is no way to
+   tell by visual inspection whether the literal top of the image is
+   the top of the page or whether the literal top of the image is the
+   right edge and the page is already rotated in the PDF. Specifying a
+   rotation angle of ``-90`` will produce an image that appears
+   upright in either case. Use of absolute rotation angles should be
+   reserved for cases in which you have specific knowledge about the
+   way the PDF file is constructed.
+
+   Examples:
+
+   - ``qpdf in.pdf out.pdf --rotate=+90:2,4,6 --rotate=+180:7-8``:
+     rotate pages 2, 4, and 6 by 90 degrees clockwise from their
+     original rotation
+
+   - ``qpdf in.pdf out.pdf --rotate=+180``: rotate all pages by 180
+     degrees
+
+   - ``qpdf in.pdf out.pdf --rotate=0``: force each page to be displayed
+     in its natural orientation, which would undo the effect of any
+     rotations previously applied in page metadata.
+
+   See also :qpdf:ref:`--flatten-rotation`.
+
+.. qpdf:option:: --generate-appearances
+
+   .. help: generate appearances for form fields
+
+      PDF form fields consist of values and appearances, which may be
+      inconsistent with each other if a form field value has been
+      modified without updating its appearance. This option tells qpdf
+      to generate new appearance streams. There are some limitations,
+      which are discussed in the manual.
+
+   If a file contains interactive form fields and indicates that the
+   appearances are out of date with the values of the form, this flag
+   will regenerate appearances, subject to a few limitations. Note
+   that there is usually no reason to do this, but it can be
+   necessary before using the :qpdf:ref:`--flatten-annotations`
+   option. Here is a summary of the limitations.
+
+   - Radio button and checkbox appearances use the pre-set values in
+     the PDF file. :command:`qpdf` just makes sure that the correct
+     appearance is displayed based on the value of the field. This is
+     fine for PDF files that create their forms properly. Some PDF
+     writers save appearances for fields when they change, which could
+     cause some controls to have inconsistent appearances.
+
+   - For text fields and list boxes, any characters that fall outside
+     of US-ASCII or, if detected, "Windows ANSI" or "Mac Roman"
+     encoding, will be replaced by the ``?`` character.
+     :command:`qpdf` does not know enough about fonts and encodings to
+     correctly represent characters that fall outside of this range.
+
+   - For variable text fields where the default appearance stream
+     specifies that the font should be auto-sized, a fixed font size
+     is used rather than calculating the font size.
+
+   - Quadding is ignored. Quadding is used to specify whether the
+     contents of a field should be left, center, or right aligned with
+     the field.
+
+   - Rich text, multi-line, and other more elaborate formatting
+     directives are ignored.
+
+   - There is no support for multi-select fields or signature fields.
+
+   Appearances generated by :command:`qpdf` should be good enough for
+   simple forms consisting of ASCII characters where the original file
+   followed the PDF specification and provided template information
+   for text field appearances. If :command:`qpdf` doesn't do a good
+   enough job with your form, use an external application to save your
+   filled-in form before processing it with :command:`qpdf`. Most PDF
+   viewers that support filling in of forms will generate appearance
+   streams. Some of them will even do it for forms filled in with
+   characters outside the original font's character range by embedding
+   additional fonts as needed.
+
+.. qpdf:option:: --optimize-images
+
+   .. help: use efficient compression for images
+
+      Attempt to use DCT (JPEG) compression for images that fall
+      within certain constraints as long as doing so decreases the
+      size in bytes of the image. See also help for the following
+      options:
+        --oi-min-width
+        --oi-min-height
+        --oi-min-area
+        --keep-inline-images
+
+   This flag causes qpdf to recompress all images that are not
+   compressed with DCT (JPEG) using DCT compression as long as doing
+   so decreases the size in bytes of the image data and the image does
+   not fall below minimum specified dimensions. Useful information is
+   provided when used in combination with :qpdf:ref:`--verbose`. See
+   also the :qpdf:ref:`--oi-min-width`, :qpdf:ref:`--oi-min-height`,
+   and :qpdf:ref:`--oi-min-area` options. By default, inline images
+   are converted to regular images and optimized as well. Use
+   :qpdf:ref:`--keep-inline-images` to prevent inline images from
+   being included.
+
+.. qpdf:option:: --oi-min-width=width
+
+   .. help: minimum width for --optimize-images
+
+      Don't optimize images whose width is below the specified value.
+
+   Avoid optimizing images whose width is below the specified amount. If
+   omitted, the default is 128 pixels. Use 0 for no minimum.
+
+.. qpdf:option:: --oi-min-height=height
+
+   .. help: minimum height for --optimize-images
+
+      Don't optimize images whose height is below the specified value.
+
+   Avoid optimizing images whose height is below the specified amount.
+   If omitted, the default is 128 pixels. Use 0 for no minimum.
+
+.. qpdf:option:: --oi-min-area=area-in-pixels
+
+   .. help: minimum area for --optimize-images
+
+      Don't optimize images whose area in pixels is below the specified value.
+
+   Avoid optimizing images whose pixel count
+   (:samp:`{width}` × :samp:`{height}`) is below the specified amount.
+   If omitted, the default is 16,384 pixels. Use 0 for no minimum.
+
+.. qpdf:option:: --keep-inline-images
+
+   .. help: exclude inline images from optimization
+
+      Prevent inline images from being considered by --optimize-images.
+
+   Prevent inline images from being included in image optimization
+   done by :qpdf:ref:`--optimize-images`.
+
+.. qpdf:option:: --remove-page-labels
+
+   .. help: remove explicit page numbers
+
+      Exclude page labels (explicit page numbers) from the output file.
+
+   Exclude page labels (explicit page numbers) from the output file.
+
+.. _encryption-options:
+
+Encryption
+----------
+
+.. help-topic encryption: create encrypted files
+
+   Create encrypted files. Usage:
+
+   --encrypt user-password owner-password key-length options --
+
+   Either or both of user-password and owner-password may be empty
+   strings. key-length may be 40, 128, or 256. Encryption options are
+   terminated by "--" by itself.
+
+   40-bit encryption is insecure, as is 128-bit encryption without
+   AES. Use 256-bit encryption unless you have a specific reason to
+   use an insecure format, such as testing or compatibility with very
+   old viewers. You must use the --allow-weak-crypto to create
+   encrypted files that use insecure cryptographic algorithms. The
+   --allow-weak-crypto flag appears outside of --encrypt ... --
+   (before --encrypt or after --).
+
+   Available options vary by key length. Not all readers respect all
+   restrictions. Different PDF readers respond differently to various
+   combinations of options. Sometimes a PDF viewer may show you
+   restrictions that differ from what you selected. This is probably
+   not a bug in qpdf.
+
+   Options for 40-bit only:
+     --annotate=y|n         restrict comments, filling forms, and signing
+     --extract=y|n          restrict text/graphic extraction
+     --modify=y|n           restrict document modification
+     --print=y|n            restrict printing
+
+   Options for 128-bit or 256-bit:
+     --accessibility=y|n    restrict accessibility (usually ignored)
+     --annotate=y|n         restrict commenting/filling form fields
+     --assemble=y|n         restrict document assembly
+     --extract=y|n          restrict text/graphic extraction
+     --form=y|n             restrict filling form fields
+     --modify-other=y|n     restrict other modifications
+     --modify=modify-opt      control modify access by level
+     --print=print-opt        control printing access
+     --cleartext-metadata     prevent encryption of metadata
+
+   For 128-bit only:
+     --use-aes=y|n          indicates whether to use AES encryption
+     --force-V4               forces use of V=4 encryption handler
+
+   For 256-bit only:
+     --force-R5               forces use of deprecated R=5 encryption
+     --allow-insecure         allow user password with empty owner password
+
+   Values for print-opt:
+     none                     disallow printing
+     low                      allow only low-resolution printing
+     full                     allow full printing
+
+   Values for modify-opt:
+     none                     allow no modifications
+     assembly                 allow document assembly only
+     form                     assembly + filling in form fields and signing
+     annotate                 form + commenting and modifying forms
+     all                      allow full document modification
+
+This section describes the options used to create encrypted files. For
+other options related to encryption, see also :qpdf:ref:`--decrypt`
+and :qpdf:ref:`--copy-encryption`. For a more in-depth technical
+discussion of how PDF encryption works internally, see
+:ref:`pdf-encryption`.
+
+To create an encrypted file, use
+
+::
+
+   --encrypt user-password owner-password key-length options --
+
+Either or both of :samp:`{user-password}` and :samp:`{owner-password}`
+may be empty strings. :samp:`{key-length}` may be ``40``, ``128``, or
+``256``. Encryption options are terminated by ``--`` by itself.
+
+40-bit encryption is insecure, as is 128-bit encryption without AES.
+Use 256-bit encryption unless you have a specific reason to use an
+insecure format, such as testing or compatibility with very old
+viewers. You must use the :qpdf:ref:`--allow-weak-crypto` flag to
+create encrypted files that use insecure cryptographic algorithms. The
+:qpdf:ref:`--allow-weak-crypto` flag appears outside of ``--encrypt
+... --`` (before ``--encrypt`` or after ``--``).
+
+If :samp:`{key-length}` is 256, the minimum PDF version is 1.7 with
+extension level 8, and the AES-based encryption format used is the one
+described in the PDF 2.0 specification. Using 128-bit encryption
+forces the PDF version to be at least 1.4, or if AES is used, 1.6.
+Using 40-bit encryption forces the PDF version to be at least 1.3.
+
+When 256-bit encryption is used, PDF files with empty owner
+passwords are insecure. To create such files, you must specify the
+:qpdf:ref:`--allow-insecure` option.
+
+Available options vary by key length. Not all readers respect all
+restrictions. The default for each permission option is to be fully
+permissive. These restrictions may or may not be enforced by any
+particular reader. :command:`qpdf` allows very granular setting of
+restrictions. Some readers may not recognize the combination of
+options you specify. If you specify certain combinations of
+restrictions and find a reader that doesn't seem to honor them as you
+expect, it is most likely not a bug in :command:`qpdf`. qpdf itself
+does not obey encryption restrictions already imposed on the file.
+Doing so would be meaningless since qpdf can be used to remove
+encryption from the file entirely.
+
+Here is a summary of encryption options. Details are provided in the
+help for each option.
+
+.. list-table:: Options for 40-bit Encryption Only
+   :widths: 30 70
+   :header-rows: 0
+
+   - - ``--annotate=y|n``
+     - restrict comments, filling forms, and signing
+
+   - - ``--extract=y|n``
+     - restrict text/graphic extraction
+
+   - - ``--modify=y|n``
+     - restrict document modification
+
+   - - ``--print=y|n``
+     - restrict printing
+
+.. list-table:: Options for 128-bit or 256-bit Encryption
+   :widths: 30 70
+   :header-rows: 0
+
+   - - ``--accessibility=y|n``
+     - restrict accessibility (usually ignored)
+
+   - - ``--annotate=y|n``
+     - restrict commenting/filling form fields
+
+   - - ``--assemble=y|n``
+     - restrict document assembly
+
+   - - ``--extract=y|n``
+     - restrict text/graphic extraction
+
+   - - ``--form=y|n``
+     - restrict filling form fields
+
+   - - ``--modify-other=y|n``
+     - restrict other modifications
+
+   - - ``--modify=modify-opt``
+     - control modify access by level
+
+   - - ``--print=print-opt``
+     - control printing access
+
+   - - ``--cleartext-metadata``
+     - prevent encryption of metadata
+
+.. list-table:: Options for 128-bit Encryption Only
+   :widths: 35 65
+   :header-rows: 0
+
+   - - ``--use-aes=y|n``
+     - indicates whether to use AES encryption
+
+   - - ``--force-V4``
+     - forces use of V=4 encryption handler
+
+.. list-table:: Options for 256-bit Encryption Only
+   :widths: 30 70
+   :header-rows: 0
+
+   - - ``--force-R5``
+     - forces use of deprecated ``R=5`` encryption algorithm
+
+   - - ``--allow-insecure``
+     - allow user password with empty owner password
+
+.. list-table:: Values for :samp:`{print-opt}`
+   :widths: 20 80
+   :header-rows: 0
+
+   - - ``none``
+     - disallow printing
+
+   - - ``low``
+     - allow only low-resolution printing
+
+   - - ``full``
+     - allow full printing
+
+.. list-table:: Values for :samp:`{modify-opt}`
+   :widths: 20 80
+   :header-rows: 0
+
+   - - ``none``
+     - allow no modifications
+
+   - - ``assembly``
+     - allow document assembly only
+
+   - - ``form``
+     - ``assembly`` permissions plus filling in form fields and
+       signing
+
+   - - ``annotate``
+     - ``form`` permissions plus commenting and modifying forms
+
+   - - ``all``
+     - allow full document modification
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --accessibility=y|n
+
+   .. help: restrict document accessibility
+
+      This option is ignored except with very old encryption formats.
+      The current PDF specification does not allow restriction of
+      document accessibility. This option is not available with 40-bit
+      encryption.
+
+   Enable/disable extraction of text for accessibility to visually
+   impaired users. The default is to be fully permissive. The qpdf
+   library disregards this field when AES is used with 128-bit
+   encryption or when 256-bit encryption is used. You should never
+   disable accessibility unless you are explicitly doing so for
+   creating test files. The PDF spec says that conforming readers
+   should disregard this permission and always allow accessibility.
+
+   This option is not available with 40-bit encryption.
+
+.. qpdf:option:: --annotate=y|n
+
+   .. help: restrict document annotation
+
+      Enable/disable modifying annotations including making comments
+      and filling in form fields. For 128-bit and 256-bit encryption,
+      this also enables editing, creating, and deleting form fields
+      unless --modify-other=n or --modify=none is also specified.
+
+   Enable/disable modifying annotations including making comments and
+   filling in form fields. The default is to be fully permissive. For
+   128-bit and 256-bit encryption, this also enables editing,
+   creating, and deleting form fields unless :samp:`--modify-other=n`
+   or :samp:`--modify=none` is also specified.
+
+.. qpdf:option:: --assemble=y|n
+
+   .. help: restrict document assembly
+
+      Enable/disable document assembly (rotation and reordering of
+      pages). This option is not available with 40-bit encryption.
+
+   Enable/disable document assembly (rotation and reordering of
+   pages). The default is to be fully permissive.
+
+   This option is not available with 40-bit encryption.
+
+.. qpdf:option:: --extract=y|n
+
+   .. help: restrict text/graphic extraction
+
+      Enable/disable text/graphic extraction for purposes other than
+      accessibility.
+
+   Enable/disable text/graphic extraction for purposes other than
+   accessibility. The default is to be fully permissive.
+
+.. qpdf:option:: --form=y|n
+
+   .. help: restrict form filling
+
+      Enable/disable whether filling form fields is allowed even if
+      modification of annotations is disabled. This option is not
+      available with 40-bit encryption.
+
+   Enable/disable whether filling form fields is allowed even if
+   modification of annotations is disabled. The default is to be fully
+   permissive.
+
+   This option is not available with 40-bit encryption.
+
+.. qpdf:option:: --modify-other=y|n
+
+   .. help: restrict other modifications
+
+      Enable/disable modifications not controlled by --assemble,
+      --annotate, or --form. --modify-other=n is implied by any of the
+      other --modify options. This option is not available with 40-bit
+      encryption.
+
+   Enable/disable modifications not controlled by
+   :qpdf:ref:`--assemble`, :qpdf:ref:`--annotate`, or
+   :qpdf:ref:`--form`. ``--modify-other=n`` is implied by any of the
+   other :qpdf:ref:`--modify` options except for ``--modify=all``. The
+   default is to be fully permissive.
+
+   This option is not available with 40-bit encryption.
+
+.. qpdf:option:: --modify=modify-opt
+
+   .. help: restrict document modification
+
+      For 40-bit files, modify-opt may only be y or n and controls all
+      aspects of document modification.
+
+      For 128-bit and 256-bit encryption, modify-opt values allow
+      enabling and disabling levels of restriction in a manner similar
+      to how some PDF creation tools do it. modify-opt values map to
+      other combinations of options as follows:
+
+      all: allow full modification (the default)
+      annotate: --modify-other=n
+      form: --modify-other=n --annotate=n
+      assembly: --modify-other=n --annotate=n --form=n
+      none: --modify-other=n --annotate=n --form=n --assemble=n
+
+   For 40-bit files, :samp:`{modify-opt}` may only be ``y`` or ``n``
+   and controls all aspects of document modification. The default is
+   to be fully permissive.
+
+   For 128-bit and 256-bit encryption, :samp:`{modify-opt}` values
+   allow enabling and disabling levels of restriction in a manner
+   similar to how some PDF creation tools do it:
+
+   .. list-table:: :samp:`{modify-opt}` for 128-bit and 256-bit Encryption
+      :widths: 10 80
+      :header-rows: 0
+
+      - - ``none``
+        - allow no modifications
+
+      - - ``assembly``
+        - allow document assembly only
+
+      - - ``form``
+        - ``assembly`` permissions plus filling in form fields and
+          signing
+
+      - - ``annotate``
+        - ``form`` permissions plus commenting and modifying forms
+
+      - - ``all``
+        - allow full document modification (the default)
+
+   Modify options correspond to the more granular options as follows:
+
+   .. list-table:: Mapping :samp:`{modify-opt}` to Other Options
+      :widths: 10 80
+      :header-rows: 0
+
+      - - ``none``
+        - ``--modify-other=n --annotate=n --form=n --assemble=n``
+
+      - - ``assembly``
+        - ``--modify-other=n --annotate=n --form=n``
+
+      - - ``form``
+        - ``--modify-other=n --annotate=n``
+
+      - - ``annotate``
+        - ``--modify-other=n``
+
+      - - ``all``
+        - no other modify options (the default)
+
+   You can combine this option with the options listed above. If you
+   do, later options override earlier options.
+
+.. qpdf:option:: --print=print-opt
+
+   .. help: restrict printing
+
+      Control what kind of printing is allowed. For 40-bit encryption,
+      print-opt may only be y or n and enables or disables all
+      printing. For 128-bit and 256-bit encryption, print-opt may have
+      the following values:
+
+      none: disallow printing
+      low: allow low-resolution printing only
+      full: allow full printing (the default)
+
+   Control what kind of printing is allowed. The default is to be
+   fully permissive. For 40-bit encryption, :samp:`{print-opt}` may
+   only be ``y`` or ``n`` and enables or disables all printing. For
+   128-bit and 256-bit encryption, :samp:`{print-opt}` may have the
+   following values:
+
+   .. list-table:: :samp:`{print-opt}` Values
+      :widths: 10 80
+      :header-rows: 0
+
+      - - :samp:`none`
+        - disallow printing
+
+      - - :samp:`low`
+        - allow low-resolution printing only
+
+      - - :samp:`full`
+        - allow full printing (the default)
+
+.. qpdf:option:: --cleartext-metadata
+
+   .. help: don't encrypt metadata
+
+      If specified, don't encrypt document metadata even when
+      encrypting the rest of the document. This option is not
+      available with 40-bit encryption.
+
+   If specified, any metadata stream in the document will be left
+   unencrypted even if the rest of the document is encrypted. This also
+   forces the PDF version to be at least 1.5.
+
+   This option is not available with 40-bit encryption.
+
+.. qpdf:option:: --use-aes=y|n
+
+   .. help: use AES with 128-bit encryption
+
+      Enables/disables use of the more secure AES encryption with
+      128-bit encryption. Specifying --use-aes=y forces the PDF
+      version to be at least 1.6. This option is only available with
+      128-bit encryption. The default is "n" for compatibility
+      reasons. Use 256-bit encryption instead.
+
+   Enables/disables use of the more secure AES encryption with 128-bit
+   encryption. Specifying ``--use-aes=y`` forces the PDF version to be
+   at least 1.6. This option is only available with 128-bit
+   encryption. The default is ``n`` for compatibility reasons. Use
+   256-bit encryption instead.
+
+.. qpdf:option:: --allow-insecure
+
+   .. help: allow empty owner passwords
+
+      Allow creation of PDF files with empty owner passwords and
+      non-empty user passwords when using 256-bit encryption.
+
+   Allow creation of PDF files with 256-bit keys where the user
+   password is non-empty and the owner password is empty. Files
+   created in this way are insecure since they can be opened without a
+   password, and restrictions will not be enforced. Users would
+   ordinarily never want to create such files. If you are using qpdf
+   to intentionally created strange files for testing (a valid use of
+   qpdf!), this option allows you to create such insecure files. This
+   option is only available with 256-bit encryption.
+
+   See :ref:`pdf-passwords` for a more technical discussion of this
+   issue.
+
+.. qpdf:option:: --force-V4
+
+   .. help: force V=4 in encryption dictionary
+
+      This option is for testing and is never needed in practice since
+      qpdf does this automatically when needed.
+
+   Use of this option forces the ``V`` and ``R`` parameters in the
+   document's encryption dictionary to be set to the value ``4``. As
+   qpdf will automatically do this when required, there is no reason
+   to ever use this option. It exists primarily for use in testing
+   qpdf itself. This option also forces the PDF version to be at least
+   1.5.
+
+.. qpdf:option:: --force-R5
+
+   .. help: use unsupported R=5 encryption
+
+      Use an undocumented, unsupported, deprecated encryption
+      algorithm that existed only in Acrobat version IX. This option
+      should not be used except for compatibility testing.
+
+   Use an undocumented, unsupported, deprecated encryption algorithm
+   that existed only in Acrobat version IX. This option should not be
+   used except for compatibility testing. If specified, qpdf sets the
+   minimum version to 1.7 at extension level 3.
+
+.. _page-selection:
+
+Page Selection
+--------------
+
+.. help-topic page-selection: select pages from one or more files
+
+   Use the --pages option to select pages from multiple files. Usage:
+
+   qpdf in.pdf --pages input-file --password=password page-range \
+       ... -- out.pdf
+
+   Between --pages and the -- that terminates pages option, repeat
+   the following:
+
+   filename --password=password page-range
+
+   Document-level information, such as outlines, tags, etc., is taken
+   from in.pdf and is preserved in out.pdf. You can use --empty in place
+   of an input file to start from an empty file and just copy pages
+   equally from all files. You can use "." as a shorthand for the
+   primary input file (if not --empty). In the above example, "."
+   would refer to in.pdf.
+
+   Use --password=password to specify the password for a
+   password-protected input file. If the same input file is used more
+   than once, you only need to supply the password the first time. If
+   the page range is omitted, all pages are selected.
+
+   Run qpdf --help=page-ranges for help with page ranges.
+
+   Use --collate=n to cause pages to be collated in groups of n pages
+   (default 1) instead of concatenating the input.
+
+   Examples:
+
+   - Start with in.pdf and append all pages from a.pdf and the even
+     pages from b.pdf, and write the output to out.pdf. Document-level
+     information from in.pdf is retained. Note the use of "." to refer
+     to in.pdf.
+
+     qpdf in.pdf --pages . a.pdf b.pdf:even -- out.pdf
+
+   - Take all the pages from a.pdf, all the pages from b.pdf in
+     reverse, and only pages 3 and 6 from c.pdf and write the result
+     to out.pdf. Use password "x" to open b.pdf:
+
+     qpdf --empty --pages a.pdf b.pdf --password=x z-1 c.pdf 3,6
+
+   More examples are in the manual.
+
+:command:`qpdf` allows you to use the :qpdf:ref:`--pages` option to
+split and merge PDF files by selecting pages from one or more input
+files.
+
+Usage: :samp:`qpdf {in.pdf} --pages input-file --password={password} {page-range} ... -- {out.pdf}`
+
+Between ``--pages`` and the ``--`` that terminates pages option,
+repeat the following:
+
+:samp:`{filename} --password={password} {page-range}`
+
+Notes:
+  - The password option is needed only for password-protected files.
+    If you specify the same file more than once, you only need to supply
+    the password the first time.
+
+  - The page range may be omitted. If omitted, all pages are included.
+
+  - Document-level information, such as outlines, tags, etc., is taken
+    from the primary input file (in the above example, :file:`in.pdf`)
+    and is preserved in :file:`out.pdf`. You can use
+    :qpdf:ref:`--empty` in place of an input file to start from an
+    empty file and just copy pages equally from all files.
+
+  - You can use ``.`` as a shorthand for the primary input file, if not
+    empty.
+
+See :ref:`page-ranges` for help on specifying a page range.
+
+Use :samp:`--collate={n}` to cause pages to be collated in groups of
+:samp:`{n}` pages (default 1) instead of concatenating the input. Note
+that the :qpdf:ref:`--collate` appears outside of ``--pages ... --``
+(before ``--pages`` or after ``--``). Pages are pulled from each
+document in turn. When a document is out of pages, it is skipped. See
+examples below.
+
+Examples
+~~~~~~~~
+
+- Start with :file:`in.pdf` and append all pages from :file:`a.pdf`
+  and the even pages from :file:`b.pdf`, and write the output to
+  :file:`out.pdf`. Document-level information from :file:`in.pdf` is
+  retained. Note the use of ``.`` to refer to :file:`in.pdf`.
+
+  ::
+
+     qpdf in.pdf --pages . a.pdf b.pdf:even -- out.pdf
+
+
+- Take all the pages from :file:`a.pdf`, all the pages from
+  :file:`b.pdf` in reverse, and only pages 3 and 6 from :file:`c.pdf`
+  and write the result to :file:`out.pdf`. Document-level metadata is
+  discarded from all input files. The password ``x`` is used to open
+  :file:`b.pdf`.
+
+  ::
+
+     qpdf --empty --pages a.pdf b.pdf --password=x z-1 c.pdf 3,6
+
+- Scan a document with double-sided printing by scanning the fronts
+  into :file:`odd.pdf` and the backs into :file:`even.pdf`. Collate
+  the results into :file:`all.pdf`. This takes the first page of
+  :file:`odd.pdf`, the first page of :file:`even.pdf`, the second page
+  of :file:`odd.pdf`, the second page of :file:`even.pdf`, etc.
+
+  ::
+
+     qpdf --collate odd.pdf --pages . even.pdf -- all.pdf
+       OR
+     qpdf --collate --empty --pages odd.pdf even.pdf -- all.pdf
+
+- When collating, any number of files and page ranges can be
+  specified. If any file has fewer pages, that file is just skipped
+  when its pages have all been included. For example, if you ran
+
+  ::
+
+     qpdf --collate --empty --pages a.pdf 1-5 b.pdf 6-4 c.pdf r1 -- out.pdf
+
+  you would get the following pages in this order:
+
+  - a.pdf page 1
+
+  - b.pdf page 6
+
+  - c.pdf last page
+
+  - a.pdf page 2
+
+  - b.pdf page 5
+
+  - a.pdf page 3
+
+  - b.pdf page 4
+
+  - a.pdf page 4
+
+  - a.pdf page 5
+
+- You can specify a numeric parameter to :qpdf:ref:`--collate`. With
+  :samp:`--collate={n}`, pull groups of :samp:`{n}` pages from each
+  file, as always, stopping when there are no more pages. For example,
+  if you ran
+
+  ::
+
+     qpdf --collate=2 --empty --pages a.pdf 1-5 b.pdf 6-4 c.pdf r1 -- out.pdf
+
+  you would get the following pages in this order:
+
+  - a.pdf page 1
+
+  - a.pdf page 2
+
+  - b.pdf page 6
+
+  - b.pdf page 5
+
+  - c.pdf last page
+
+  - a.pdf page 3
+
+  - a.pdf page 4
+
+  - b.pdf page 4
+
+  - a.pdf page 5
+
+- Take pages 1 through 5 from :file:`file1.pdf` and pages 11 through
+  15 in reverse from :file:`file2.pdf`, taking document-level metadata
+  from :file:`file2.pdf`.
+
+  ::
+
+     qpdf file2.pdf --pages file1.pdf 1-5 . 15-11 -- outfile.pdf
+
+- Here's a more contrived example. If, for some reason, you wanted to
+  take the first page of an encrypted file called
+  :file:`encrypted.pdf` with password ``pass`` and repeat it twice in
+  an output file without any shared data between the two copies of
+  page 1, and if you wanted to drop document-level metadata but
+  preserve encryption, you could run
+
+  ::
+
+     qpdf --empty --copy-encryption=encrypted.pdf \
+          --encryption-file-password=pass \
+          --pages encrypted.pdf --password=pass 1 \
+                ./encrypted.pdf --password=pass 1 -- \
+          outfile.pdf
+
+  Note that we had to specify the password all three times because
+  giving a password as :qpdf:ref:`--encryption-file-password` doesn't
+  count for page selection, and as far as qpdf is concerned,
+  :file:`encrypted.pdf` and :file:`./encrypted.pdf` are separate
+  files. (This is by design. See :ref:`page-limitations` for a
+  discussion.) These are all corner cases that most users should
+  hopefully never have to be bothered with.
+
+.. _page-limitations:
+
+Limitations
+~~~~~~~~~~~
+
+With the exception of page labels (page numbers), :command:`qpdf`
+doesn't yet have full support for handling document-level data as it
+relates to pages. Certain document-level features such as form fields,
+outlines (bookmarks), and article tags among others, are copied in
+their entirety from the primary input file. Starting with qpdf version
+8.3, page labels are preserved from all files unless
+:qpdf:ref:`--remove-page-labels` is specified.
+
+.. If updating this after limitations are removed or reduced,
+   recheck --split-pages as well.
+
+It is expected that a future version of :command:`qpdf` will have more
+complete and configurable behavior regarding document-level metadata.
+In the meantime, semantics of splitting and merging vary across
+features. For example, the document's outlines (bookmarks) point to
+actual page objects, so if you select some pages and not others,
+bookmarks that point to pages that are in the output file will work,
+and remaining bookmarks will not work. If you don't want to preserve
+the primary file's metadata, use :qpdf:ref:`--empty` as the primary
+input file.
+
+Visit `qpdf issues labeled with "pages"
+<https://github.com/qpdf/qpdf/issues?q=is%3Aopen+is%3Aissue+label%3Apages>`__
+or look at the :file:`TODO` file in the qpdf source distribution for
+some of the ideas.
+
+.. NOTE:
+
+   The workaround described in the following paragraph is mentioned in
+   the documentation in more than one place. Searching for ./ should
+   help find them. It is also in the test suite. I believe there are
+   several valid uses cases for doing this, and so it is my intention
+   to leave the behavior of treating different paths to the same file
+   as separate even if the above limitations are removed. See also
+   https://github.com/qpdf/qpdf/issues/399
+
+Prior to :command:`qpdf` version 8.4, it was not possible to specify
+the same page from the same file directly more than once, and a
+workaround of specifying the same file in more than one way was
+required. Version 8.4 removes this limitation, but when the same page
+is copied more than once, all its data is shared between the pages.
+Sometimes this is fine, but sometimes it may not work correctly,
+particularly if there are form fields or you intend to perform other
+modifications on one of the pages. A future version of qpdf should
+address this more completely. You can work around this by specifying
+the same file in two different ways. For example :command:`qpdf
+in.pdf --pages . 1 ./in.pdf 1 -- out.pdf` would create a file with two
+copies of the first page of the input, and the two copies would not
+share any objects in common. This includes fonts, images, and anything
+else the page references.
+
+.. _overlay-underlay:
+
+Overlay and Underlay
+--------------------
+
+.. help-topic overlay-underlay: overlay/underlay pages from other files
+
+   These options allow pages from another file to be overlaid or
+   underlaid on the primary output. Overlaid pages are drawn on top of
+   the destination page and may obscure the page. Underlaid pages are
+   drawn below the destination page. Usage:
+
+   {--overlay|--underlay} file
+         --password=password
+         --to=page-range
+         --from=page-range
+         --repeat=page-range
+         --
+
+   Note the use of "--" by itself to terminate overlay/underlay options.
+
+   For overlay and underlay, a file and optional password are specified, along
+   with a series of optional page ranges. The default behavior is that each
+   page of the overlay or underlay file is imposed on the corresponding page
+   of the primary output until it runs out of pages, and any extra pages are
+   ignored. You can also give a page range with --repeat to cause
+   those pages to be repeated after the original pages are exhausted.
+
+   Run qpdf --help=page-ranges for help with page ranges.
+
+You can use :command:`qpdf` to overlay or underlay pages from other
+files onto the output generated by qpdf. Specify overlay or underlay
+as follows:
+
+::
+
+   {--overlay|--underlay} file options --
+
+Overlay and underlay options are processed late, so they can be
+combined with other options like merging and will apply to the final
+output. The ``--overlay`` and ``--underlay`` options work the same
+way, except underlay pages are drawn underneath the page to which they
+are applied, possibly obscured by the original page, and overlay files
+are drawn on top of the page to which they are applied, possibly
+obscuring the page. You can combine overlay and underlay, but you can
+only specify each option at most one time.
+
+The default behavior of overlay and underlay is that pages are taken
+from the overlay/underlay file in sequence and applied to
+corresponding pages in the output until there are no more output
+pages. If the overlay or underlay file runs out of pages, remaining
+output pages are left alone. This behavior can be modified by options,
+which are provided between the ``--overlay`` or ``--underlay`` flag
+and the ``--`` option. The following options are supported:
+
+.. qpdf:option:: --to=page-range
+
+   .. help: destination pages for underlay/overlay
+
+      Specify the range of pages in the primary output to apply
+      overlay/underlay to. See qpdf --help=page-ranges for help with
+      the page range syntax.
+
+  Specify a page range (see :ref:`page-ranges`) that indicates which
+  pages in the output should have the overlay/underlay applied. If not
+  specified, overlay/underlay are applied to all pages.
+
+.. qpdf:option:: --from=page-range
+
+   .. help: source pages for underlay/overlay
+
+      Specify pages from the overlay/underlay file that are applied to
+      the destination pages. See qpdf --help=page-ranges for help
+      with the page range syntax. The page range may be omitted
+      if --repeat is used.
+
+Specify a page range that indicates which pages in the
+overlay/underlay file will be used for overlay or underlay. If not
+specified, all pages will be used. The "from" pages are used until
+they are exhausted, after which any pages specified with
+:qpdf:ref:`--repeat` are used. If you are using the
+:qpdf:ref:`--repeat` option, you can use ``--from=`` to provide an
+empty set of "from" pages.
+
+This Can be left empty by omitting
+:samp:`{page-range}` 
+
+.. qpdf:option:: --repeat=page-range
+
+   .. help: overlay/underlay pages to repeat
+
+      Specify pages from the overlay/underlay that are repeated after
+      "from" pages have been exhausted. See qpdf --help=page-ranges
+      for help with the page range syntax.
+
+Specify an optional page range that indicates which pages in the
+overlay/underlay file will be repeated after the "from" pages are used
+up. If you want to apply a repeat a range of pages starting with the
+first page of output, you can explicitly use ``--from=``.
+
+Examples
+~~~~~~~~
+
+- Overlay the first three pages from file :file:`o.pdf` onto the first
+  three pages of the output, then overlay page 4 from :file:`o.pdf`
+  onto pages 4 and 5 of the output. Leave remaining output pages
+  untouched.
+
+  ::
+
+     qpdf in.pdf --overlay o.pdf --to=1-5 --from=1-3 --repeat=4 -- out.pdf
+
+
+- Underlay page 1 of :file:`footer.pdf` on all odd output pages, and
+  underlay page 2 of :file:`footer.pdf` on all even output pages.
+
+  ::
+
+     qpdf in.pdf --underlay footer.pdf --from= --repeat=1,2 -- out.pdf
+
+- Combine two files and overlay the single page from watermark.pdf on
+  the result.
+
+  ::
+
+     qpdf --empty --pages a.pdf b.pdf -- \
+          --overlay watermark.pdf --from= --repeat=1 -- out.pdf
+
+.. _attachments:
+
+Embedded Files/Attachments
+--------------------------
+
+.. help-topic attachments: work with embedded files
+
+   It is possible to list, add, or delete embedded files (also known
+   as attachments) and to copy attachments from other files. See help
+   on individual options for details. Run qpdf --help=add-attachment
+   for additional details about adding attachments. See also
+   --help=--list-attachments and --help=--show-attachment.
+
+It is possible to list, add, or delete embedded files (also known as
+attachments) and to copy attachments from other files. See also
+:qpdf:ref:`--list-attachments` and :qpdf:ref:`--show-attachment`.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --add-attachment file options --
+
+   .. help: start add attachment options
+
+      The --add-attachment flag and its options may be repeated to add
+      multiple attachments. Run qpdf --help=add-attachment for details.
+
+   This flag starts add attachment options, which are used to add
+   attachments to a file.
+
+   The ``--add-attachment`` flag and its options may be repeated to
+   add multiple attachments. Please see :ref:`add-attachment` for
+   additional details.
+
+.. qpdf:option:: --copy-attachments-from file options --
+
+   .. help: start copy attachment options
+
+      The --copy-attachments-from flag and its options may be repeated
+      to copy attachments from multiple files. Run
+      qpdf --help=copy-attachments for details.
+
+   This flag starts copy attachment options, which are used to copy
+   attachments from other files.
+
+   The ``--copy-attachments-from`` flag and its options may be
+   repeated to copy attachments from multiple files. Please see
+   :ref:`copy-attachments` for additional details.
+
+.. qpdf:option:: --remove-attachment=key
+
+   .. help: remove an embedded file
+
+      Remove an embedded file using its key. Get the key with
+      --list-attachments.
+
+   Remove the specified attachment. This doesn't only remove the
+   attachment from the embedded files table but also clears out the
+   file specification to ensure that the attachment is actually not
+   present in the output file. That means that any potential internal
+   links to the attachment will be broken. Run with :qpdf:ref:`--verbose` to
+   see status of the removal. Use :qpdf:ref:`--list-attachments` to find
+   the attachment key. This option may be repeated to remove multiple
+   attachments.
+
+.. _pdf-dates:
+
+PDF Date Format
+~~~~~~~~~~~~~~~
+
+.. help-topic pdf-dates: PDF date format
+
+   When a date is required, the date should conform to the PDF date
+   format specification, which is "D:yyyymmddhhmmssz" where "z" is
+   either literally upper case "Z" for UTC or a timezone offset in
+   the form "-hh'mm'" or "+hh'mm'". Negative timezone offsets indicate
+   time before UTC. Positive offsets indicate how far after. For
+   example, US Eastern Standard Time (America/New_York) is "-05'00'",
+   and Indian Standard Time (Asia/Calcutta) is "+05'30'".
+
+   Examples:
+   - D:20210207161528-05'00'   February 7, 2021 at 4:15:28 p.m.
+   - D:20210207211528Z         February 7, 2021 at 21:15:28 UTC
+
+When a date is required, the date should conform to the PDF date
+format specification, which is :samp:`D:{yyyymmddhhmmssz}` where
+:samp:`{z}` is either literally upper case ``Z`` for UTC or a
+timezone offset in the form :samp:`{-hh'mm'}` or :samp:`{+hh'mm'}`.
+Negative timezone offsets indicate time before UTC. Positive offsets
+indicate how far after. For example, US Eastern Standard Time
+(America/New_York) is ``-05'00'``, and Indian Standard Time
+(Asia/Calcutta) is ``+05'30'``.
+
+.. list-table:: PDF Date Examples
+   :widths: 30 70
+   :header-rows: 0
+
+   - - ``D:20210207161528-05'00'``
+     - February 7, 2021 at 4:15:28 p.m.
+
+   - - ``D:20210207211528Z``
+     - February 7, 2021 at 21:15:28 UTC
+
+.. _add-attachment:
+
+Options for Adding Attachments
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. help-topic add-attachment: attach (embed) files
+
+   The options listed below appear between --add-attachment and its
+   terminating "--".
+
+These options are valid between :qpdf:ref:`--add-attachment` and ``--``.
+
+.. qpdf:option:: --key=key
+
+   .. help: specify attachment key
+
+      Specify the key to use for the attachment in the embedded files
+      table. It defaults to the last element (basename) of the
+      attached file's filename.
+
+   Specify the key to use for the attachment in the embedded files
+   table. It defaults to the last element of the attached file's
+   filename. For example, if you say ``--add-attachment
+   /home/user/image.png``, the default key will be just ``image.png``.
+
+.. qpdf:option:: --filename=name
+
+   .. help: set attachment's displayed filename
+
+      Specify the filename to be used for the attachment. This is what
+      is usually displayed to the user and is the name most graphical
+      PDF viewers will use when saving a file. It defaults to the last
+      element (basename) of the attached file's filename.
+
+   Specify the filename to be used for the attachment. This is what is
+   usually displayed to the user and is the name most graphical PDF
+   viewers will use when saving a file. It defaults to the last
+   element of the attached file's filename. For example, if you say
+   ``--add-attachment /home/user/image.png``, the default key will be
+   just ``image.png``.
+
+.. qpdf:option:: --creationdate=date
+
+   .. help: set attachment's creation date
+
+      Specify the attachment's creation date in PDF format; defaults
+      to the current time. Run qpdf --help=pdf-dates for information
+      about the date format.
+
+   Specify the attachment's creation date in PDF format; defaults to
+   the current time. See :ref:`pdf-dates` for information about the
+   date format.
+
+.. qpdf:option:: --moddate=date
+
+   .. help: set attachment's modification date
+
+      Specify the attachment's modification date in PDF format;
+      defaults to the current time. Run qpdf --help=pdf-dates for
+      information about the date format.
+
+   Specify the attachment's modification date in PDF format; defaults
+   to the current time. See :ref:`pdf-dates` for information about the
+   date format.
+
+.. qpdf:option:: --mimetype=type/subtype
+
+   .. help: attachment mime type, e.g. application/pdf
+
+      Specify the mime type for the attachment, such as text/plain,
+      application/pdf, image/png, etc.
+
+   Specify the mime type for the attachment, such as ``text/plain``,
+   ``application/pdf``, ``image/png``, etc. The qpdf library does not
+   automatically determine the mime type. In a UNIX-like environment,
+   the :command:`file` command can often provide this information. In
+   MacOS, you can use :samp:`file -I {filename}`. In Linux, it's
+   :samp:`file -i {filename}`.
+
+   Implementation note: the mime type appears in a field called
+   ``/Subtype`` in the PDF file, but that field actually includes the
+   full type and subtype of the mime type. This is because ``/Type``
+   already means something else in PDF.
+
+.. qpdf:option:: --description="text"
+
+   .. help: set attachment's description
+
+      Supply descriptive text for the attachment, displayed by some
+      PDF viewers.
+
+   Supply descriptive text for the attachment, displayed by some PDF
+   viewers.
+
+.. qpdf:option:: --replace
+
+   .. help: replace attachment with same key
+
+      Indicate that any existing attachment with the same key should
+      be replaced by the new attachment. Otherwise, qpdf gives an
+      error if an attachment with that key is already present.
+
+   Indicate that any existing attachment with the same key should be
+   replaced by the new attachment. Otherwise, :command:`qpdf` gives an
+   error if an attachment with that key is already present.
+
+.. _copy-attachments:
+
+Options for Copying Attachments
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. help-topic copy-attachments: copy attachments from another file
+
+   The options listed below appear between --copy-attachments-from and
+   its terminating "--".
+
+   To copy attachments from a password-protected file, use
+   the --password option after the file name.
+
+Options in this section are valid between
+:qpdf:ref:`--copy-attachments-from` and ``--``.
+
+.. qpdf:option:: --prefix=prefix
+
+   .. help: key prefix for copying attachments
+
+      Prepend a prefix to each key; may be needed if there are
+      duplicate attachment keys. This affects the key only, not the
+      file name.
+
+   Only required if the file from which attachments are being copied
+   has attachments with keys that conflict with attachments already
+   in the file. In this case, the specified prefix will be prepended
+   to each key. This affects only the key in the embedded files
+   table, not the file name. The PDF specification doesn't preclude
+   multiple attachments having the same file name.
+
+.. _inspection-options:
+
+PDF Inspection
+--------------
+
+.. help-topic inspection: inspect PDF files
+
+   These options provide tools for inspecting PDF files. When any of
+   the options in this section are specified, no output file may be
+   given.
+
+These options provide tools for inspecting PDF files. When any of the
+options in this section are specified, no output file may be given.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --is-encrypted
+
+   .. help: silently test whether a file is encrypted
+
+      Silently exit with a code indicating the file's encryption status:
+
+      0: the file is encrypted
+      1: not used
+      2: the file is not encrypted
+
+      This can be used with password-protected files even if you don't
+      know the password.
+
+   Silently exit with a code indicating the file's encryption status:
+
+   .. list-table:: Exit Codes for ``--is-encrypted``
+      :widths: 5 80
+      :header-rows: 0
+
+      - - ``0``
+        - the file is encrypted
+
+      - - ``1``
+        - not used
+
+      - - ``2``
+        - the file is not encrypted
+
+   This option can be used for password-protected files even if you
+   don't know the password.
+
+   This option is useful for shell scripts. Other options are ignored
+   if this is given. This option is mutually exclusive with
+   :qpdf:ref:`--requires-password`. Both this option and
+   :qpdf:ref:`--requires-password` exit with status ``2`` for
+   non-encrypted files.
+
+.. qpdf:option:: --requires-password
+
+   .. help: silently test a file's password
+
+      Silently exit with a code indicating the file's password status:
+
+      0: a password, other than as supplied, is required
+      1: not used
+      2: the file is not encrypted
+      3: the file is encrypted, and correct password (if any) has been supplied
+
+   Silently exit with a code indicating the file's password status:
+
+   .. list-table:: Exit Codes for ``--requires-password``
+      :widths: 5 80
+      :header-rows: 0
+
+      - - ``0``
+        - a password, other than as supplied, is required
+
+      - - ``1``
+        - not used
+
+      - - ``2``
+        - the file is not encrypted
+
+      - - ``3``
+        - the file is encrypted, and correct password (if any) has
+          been supplied
+
+   Use with the :qpdf:ref:`--password` option to specify the password
+   to test.
+
+   The choice of exit status ``0`` to mean that a password is required
+   is to enable code like
+
+   .. code-block:: bash
+
+      if  qpdf --requires-password file.pdf ; then
+          # prompt for password
+      fi
+
+   If a password is supplied with :qpdf:ref:`--password`, that
+   password is used to open the file just as with any normal
+   invocation of :command:`qpdf`. That means that using this option
+   with :qpdf:ref:`--password` can be used to check the correctness of
+   the password. In that case, an exit status of ``3`` means the file
+   works with the supplied password. This option is mutually exclusive
+   with :qpdf:ref:`--is-encrypted`. Both this option and
+   :qpdf:ref:`--is-encrypted` exit with status ``2`` for non-encrypted
+   files.
+
+.. qpdf:option:: --check
+
+   .. help: partially check whether PDF is valid
+
+      Check the structure of the PDF file as well as a number of other
+      aspects of the file, and write information about the file to
+      standard output. Note that qpdf does not perform any validation
+      of the actual PDF page content or semantic correctness of the
+      PDF file. It merely checks that the PDF file is syntactically
+      valid. See also qpdf --help=exit-status.
+
+   Check the file's structure as well as encryption, linearization,
+   and encoding of stream data, and write information about the file
+   to standard output. An exit status of ``0`` indicates syntactic
+   correctness of the PDF file. Note that :samp:`--check` writes
+   nothing to standard error when everything is valid, so if you are
+   using this to programmatically validate files in bulk, it is safe
+   to run without output redirected to :file:`/dev/null` and just
+   check for a ``0`` exit code.
+
+   A file for which :samp:`--check` reports no errors may still have
+   errors in stream data content or may contain constructs that don't
+   conform to the PDF specification, but it should be syntactically
+   valid. If :samp:`--check` reports any errors, qpdf will exit with a
+   status of ``2``. There are some recoverable conditions that
+   :samp:`--check` detects. These are issued as warnings instead of
+   errors. If qpdf finds no errors but finds warnings, it will exit
+   with a status of ``3``. When :samp:`--check` is combined with other
+   options, checks are always performed before any other options are
+   processed. For erroneous files, :samp:`--check` will cause qpdf to
+   attempt to recover, after which other options are effectively
+   operating on the recovered file. Combining :samp:`--check` with
+   other options in this way can be useful for manually recovering
+   severely damaged files.
+
+   See also :ref:`exit-status`.
+
+.. qpdf:option:: --show-encryption
+
+   .. help: information about encrypted files
+
+      Show document encryption parameters. Also show the document's
+      user password if the owner password is given and the file was
+      encrypted using older encryption formats that allow user
+      password recovery.
+
+   This option shows document encryption parameters. It also shows the
+   document's user password if the owner password is given and the
+   file was encrypted using older encryption formats that allow user
+   password recovery. (See :ref:`pdf-encryption` for a technical
+   discussion of this feature.) The output of ``--show-encryption`` is
+   included in the output of :qpdf:ref:`--check`.
+
+.. qpdf:option:: --show-encryption-key
+
+   .. help: show key with --show-encryption
+
+      When used with --show-encryption or --check, causes the
+      underlying encryption key to be displayed.
+
+   When encryption information is being displayed, as when
+   :qpdf:ref:`--check` or :qpdf:ref:`--show-encryption` is given, display the
+   computed or retrieved encryption key as a hexadecimal string. This
+   value is not ordinarily useful to users, but it can be used as the
+   parameter to :qpdf:ref:`--password` if the :qpdf:ref:`--password-is-hex-key`
+   is specified. Note that, when PDF files are encrypted, passwords
+   and other metadata are used only to compute an encryption key, and
+   the encryption key is what is actually used for encryption. This
+   enables retrieval of that key. See :ref:`pdf-encryption` for a
+   technical discussion.
+
+.. qpdf:option:: --check-linearization
+
+   .. help: check linearization tables
+
+      Check to see whether a file is linearized and, if so, whether
+      the linearization hint tables are correct.
+
+   Check to see whether a file is linearized and, if so, whether the
+   linearization hint tables are correct. qpdf does not check all
+   aspects of linearization. A linearized PDF file with linearization
+   errors that is otherwise correct is almost always readable by a PDF
+   viewer. As such, "errors" in PDF linearization are treated by
+   :command:`qpdf` as warnings.
+
+.. qpdf:option:: --show-linearization
+
+   .. help: show linearization hint tables
+
+      Check and display all data in the linearization hint tables.
+
+   Check and display all data in the linearization hint tables.
+
+.. qpdf:option:: --show-xref
+
+   .. help: show cross reference data
+
+      Show the contents of the cross-reference table or stream (object
+      locations in the file) in a human-readable form. This is
+      especially useful for files with cross-reference streams, which
+      are stored in a binary format.
+
+   Show the contents of the cross-reference table or stream in a
+   human-readable form. The cross-reference data gives the offset of
+   regular objects and the object stream ID and 0-based index within
+   the object stream for compressed objects. This is especially useful
+   for files with cross-reference streams, which are stored in a
+   binary format. If the file is invalid and cross reference table
+   reconstruction is performed, this option will show the information
+   in the reconstructed table.
+
+.. qpdf:option:: --show-object={trailer|obj,gen}
+
+   .. help: show contents of an object
+
+      Show the contents of the given object. This is especially useful
+      for inspecting objects that are inside of object streams (also
+      known as "compressed objects").
+
+   Show the contents of the given object. This is especially useful
+   for inspecting objects that are inside of object streams (also
+   known as "compressed objects").
+
+.. qpdf:option:: --raw-stream-data
+
+   .. help: show raw stream data
+
+      When used with --show-object, if the object is a stream, write
+      the raw (compressed) binary stream data to standard output
+      instead of the object's contents. See also
+      --filtered-stream-data.
+
+   When used with :qpdf:ref:`--show-object`, if the object is a
+   stream, write the raw (compressed) binary stream data to standard
+   output instead of the object's contents. Avoid combining this with
+   other inspection options to avoid commingling the stream data with
+   other output. See also :qpdf:ref:`--filtered-stream-data`.
+
+.. qpdf:option:: --filtered-stream-data
+
+   .. help: show filtered stream data
+
+      When used with --show-object, if the object is a stream, write
+      the filtered (uncompressed, potentially binary) stream data to
+      standard output instead of the object's contents. See also
+      --raw-stream-data.
+
+   When used with :qpdf:ref:`--show-object`, if the object is a stream,
+   write the filtered (uncompressed, potentially binary) stream data
+   to standard output instead of the object's contents. If the stream
+   is filtered using filters that qpdf does not support, an error will
+   be issued. This option acts as if ``--decode-level=all`` was
+   specified (see :qpdf:ref:`--decode-level`), so it will uncompress
+   images compressed with supported lossy compression schemes. Avoid
+   combining this with other inspection options to avoid commingling
+   the stream data with other output.
+
+   This option may be combined with :qpdf:ref:`--normalize-content`.
+   If you do this, qpdf will attempt to run content normalization even
+   if the stream is not a content stream, which will probably produce
+   unusable results.
+
+   See also :qpdf:ref:`--raw-stream-data`.
+
+.. qpdf:option:: --show-npages
+
+   .. help: show number of pages
+
+      Print the number of pages in the input file on a line by itself.
+      Useful for scripts.
+
+   Print the number of pages in the input file on a line by itself.
+   Since the number of pages appears by itself on a line, this option
+   can be useful for scripting if you need to know the number of pages
+   in a file.
+
+.. qpdf:option:: --show-pages
+
+   .. help: display page dictionary information
+
+      Show the object and generation number for each page dictionary
+      object and for each content stream associated with the page.
+
+   Show the object and generation number for each page dictionary
+   object and for each content stream associated with the page. Having
+   this information makes it more convenient to inspect objects from a
+   particular page. See also :qpdf:ref:`--with-images`.
+
+.. qpdf:option:: --with-images
+
+   .. help: include image details with --show-pages
+
+      When used with --show-pages, also shows the object and
+      generation numbers for the image objects on each page.
+
+   When used with :qpdf:ref:`--show-pages`, also shows the object and
+   generation numbers for the image objects on each page.
+
+.. qpdf:option:: --list-attachments
+
+   .. help: list embedded files
+
+      Show the key and stream number for each embedded file. Combine
+      with --verbose for more detailed information.
+
+   Show the *key* and stream number for each embedded file. With
+   :qpdf:ref:`--verbose`, additional information, including preferred
+   file name, description, dates, and more are also displayed. The key
+   is usually but not always equal to the file name and is needed by
+   some of the other options. See also :ref:`attachments`. Note that
+   this option displays dates in PDF timestamp syntax. When attachment
+   information is included in json output in the ``"attachments"`` key
+   (see :qpdf:ref:`--json`), dates are shown (just within that object)
+   in ISO-8601 format.
+
+.. qpdf:option:: --show-attachment=key
+
+   .. help: export an embedded file
+
+      Write the contents of the specified attachment to standard
+      output as binary data. Get the key with --list-attachments.
+
+   Write the contents of the specified attachment to standard output
+   as binary data. The key should match one of the keys shown by
+   :qpdf:ref:`--list-attachments`. If this option is given more than
+   once, only the last attachment will be shown. See also
+   :ref:`attachments`.
+
+.. _json-options:
+
+JSON Options
+------------
+
+.. help-topic json: JSON output for PDF information
+
+   Show information about the PDF file in JSON format. Please see the
+   JSON chapter in the qpdf manual for details.
+
+It is possible to view information about PDF files in a JSON format.
+See :ref:`json` for details about the qpdf JSON format.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --json=version
+
+   .. help: show file in JSON format
+
+      Generate a JSON representation of the file. This is described in
+      depth in the JSON section of the manual. "version" may be a
+      specific version or "latest" (the default). Run qpdf --json-help
+      for a description of the generated JSON object.
+
+   Generate a JSON representation of the file. This is described in
+   depth in :ref:`json`. The version parameter can be used to specify
+   which version of the qpdf JSON format should be output. The version
+   number be a number or ``latest``. The default is ``latest``. As of
+   qpdf 11, the latest version is ``2``. If you have code that reads
+   qpdf JSON output, you can tell what version of the JSON output you
+   have from the ``"version"`` key in the output. Use the
+   :qpdf:ref:`--json-help` option to get a description of the JSON
+   object.
+
+   Starting with qpdf 11, when this option is specified, an output
+   file is optional (for backward compatibility) and defaults to
+   standard output. You may specify an output file to write the JSON
+   to a file rather than standard output. (Example: ``qpdf --json
+   in.pdf out.json``)
+
+   Stream data is only included if :qpdf:ref:`--json-output` is
+   specified or if a value other than ``none`` is passed to
+   :qpdf:ref:`--json-stream-data`.
+
+.. qpdf:option:: --json-help=version
+
+   .. help: show format of JSON output
+
+      Describe the format of the JSON output by writing to standard
+      output a JSON object with the same keys and with values
+      containing descriptive text.
+
+   Describe the format of the corresponding version of JSON output by
+   writing to standard output a JSON object with the same structure as
+   the JSON generated by qpdf. In the output written by
+   ``--json-help``, each key's value is a description of the key. The
+   specific contract guaranteed by qpdf in its JSON representation is
+   explained in more detail in the :ref:`json`. The default version of
+   help is version ``2``, as with the :qpdf:ref:`--json` flag.
+
+.. qpdf:option:: --json-key=key
+
+   .. help: limit which keys are in JSON output
+
+      This option is repeatable. If given, only the specified
+      top-level keys will be included in the JSON output. Otherwise,
+      all keys will be included. With --json-output, when not given,
+      only the "qpdf" key will appear in the output.
+
+   This option is repeatable. If given, only the specified top-level
+   keys will be included in the JSON output. Otherwise, all keys will
+   be included. If not given, all keys will be included, unless
+   :qpdf:ref:`--json-output` was specified, in which case, only the
+   ``"qpdf"`` key will be included by default. If
+   :qpdf:ref:`--json-output` was not given, the ``version`` and
+   ``parameters`` keys will always appear in the output.
+
+.. qpdf:option:: --json-object={trailer|obj,gen}
+
+   .. help: limit which objects are in JSON
+
+      This option is repeatable. If given, only specified objects will
+      be shown in the "objects" key of the JSON output. Otherwise, all
+      objects will be shown.
+
+   This option is repeatable. If given, only specified objects will be
+   shown in the objects dictionary in the JSON output. Otherwise, all
+   objects will be shown. See :ref:`json` for details about the qpdf
+   JSON format.
+
+.. qpdf:option:: --json-stream-data={none|inline|file}
+
+   .. help: how to handle streams in json output
+
+      When used with --json, this option controls whether streams in
+      json output should be omitted, written inline (base64-encoded)
+      or written to a file. If "file" is chosen, the file will be the
+      name of the output file appended with -nnn where nnn is the
+      object number. The prefix can be overridden with
+      --json-stream-prefix. The default is "none", except
+      when --json-output is specified, in which case the default is
+      "inline".
+
+   When used with :qpdf:ref:`--json`, this option controls
+   whether streams in JSON output should be omitted, written inline
+   (base64-encoded) or written to a file. If ``file`` is chosen, the
+   file will be the name of the output file appended with
+   :samp:`-{nnn}` where :samp:`{nnn}` is the object number. The stream
+   data file prefix can be overridden with
+   :qpdf:ref:`--json-stream-prefix`. The default value is ``none``,
+   except when :qpdf:ref:`--json-output` is specified, in which case
+   the default is ``inline``.
+
+.. qpdf:option:: --json-stream-prefix=file-prefix
+
+   .. help: prefix for json stream data files
+
+      When used with --json-stream-data=file, --json-stream-data=file-prefix
+      sets the prefix for stream data files, overriding the default,
+      which is to use the output file name. Whatever is given here
+      will be appended with -nnn to create the name of the file that
+      will contain the data for the stream stream in object nnn.
+
+   When used with ``--json-stream-data=file``,
+   ``--json-stream-data=file-prefix`` sets the prefix for stream data
+   files, overriding the default, which is to use the output file
+   name. Whatever is given here will be appended with :samp:`-{nnn}`
+   to create the name of the file that will contain the data for the
+   stream stream in object :samp:`{nnn}`.
+
+.. qpdf:option:: --json-output=version
+
+   .. help: apply defaults for JSON serialization
+
+      Implies --json=version. Changes default values for certain
+      options so that the JSON output written is the most faithful
+      representation of the original PDF and contains no additional
+      JSON keys. See also --json-stream-data, --json-stream-prefix,
+      and --decode-level.
+
+   Implies :qpdf:ref:`--json` at the specified version. This option
+   changes several default values, all of which can be overridden by
+   specifying the stated option:
+
+   - The default value for :qpdf:ref:`--json-stream-data` changes from
+     ``none`` to ``inline``.
+
+   - The default value for :qpdf:ref:`--decode-level` changes from
+     ``generalized`` to ``none``.
+
+   - By default, only the ``"qpdf"`` key is included in the JSON
+     output, but you can add additional keys with
+     :qpdf:ref:`--json-key`.
+
+   - The ``"version"`` and ``"parameters"`` keys will be excluded from
+     the JSON output.
+
+   If you want to look at the contents of streams easily as you would
+   in QDF mode (see :ref:`qdf`), you can use
+   ``--decode-level=generalized`` and ``--json-stream-data=file`` for
+   a convenient way to do that.
+
+.. qpdf:option:: --json-input
+
+   .. help: input file is qpdf JSON
+
+      Treat the input file as a JSON file in qpdf JSON format. See the
+      "qpdf JSON Format" section of the manual for information about
+      how to use this option.
+
+   Treat the input file as a JSON file in qpdf JSON format. The input
+   file must be complete and include all stream data. The JSON version
+   must be at least 2. All top-level keys are ignored except for
+   ``"qpdf"``. For information about converting between PDF and JSON,
+   please see :ref:`json`.
+
+.. qpdf:option:: --update-from-json=qpdf-json-file
+
+   .. help: update a PDF from qpdf JSON
+
+      Update a PDF file from a JSON file. Please see the "qpdf JSON"
+      chapter of the manual for information about how to use this
+      option.
+
+   This option updates a PDF file from the specified qpdf JSON file.
+   For a information about how to use this option, please see
+   :ref:`json`.
+
+.. _test-options:
+
+Options for Testing or Debugging
+--------------------------------
+
+.. help-topic testing: options for testing or debugging
+
+   The options below are useful when writing automated test code that
+   includes files created by qpdf or when testing qpdf itself.
+
+The options below are useful when writing automated test code that
+includes files created by qpdf or when testing qpdf itself. When
+changes are made to qpdf, care is taken to avoid gratuitously changing
+the output of PDF files. This is to make it easier to do direct
+comparisons in test suites with files created by qpdf. However, there
+are no guarantees that the PDF output won't change such as in the
+event of a bug fix or feature enhancement to some aspect of the output
+that qpdf creates.
+
+.. _idempotency:
+
+Idempotency
+~~~~~~~~~~~
+
+Note about idempotency of byte-for-byte content: there is no
+expectation that qpdf is idempotent in the general case. In other
+words, there is no expectation that, when qpdf is run on its own
+output, it will create *byte-for-byte* identical output, even though
+it will create semantically identical files. There are a variety of
+reasons for this including document ID generation, which includes a
+random element, as well as the interaction of stream length encoding
+with dictionary key sorting.
+
+It is possible to get idempotent behavior by using the
+:qpdf:ref:`--static-id` or :qpdf:ref:`--deterministic-id` option with
+qpdf and running it *three* times so that you are processing the
+output of qpdf on its own previous output. For example, in this
+sequence of commands:
+
+::
+
+   qpdf any-file.pdf 1.pdf
+   qpdf --static-id 1.pdf 2.pdf
+   qpdf --static-id 2.pdf 3.pdf
+
+the files :file:`2.pdf` and :file:`3.pdf` should be *byte-for-byte*
+identical. The qpdf test suite relies on this behavior. See also
+:qpdf:ref:`--static-aes-iv`.
+
+Related Options
+~~~~~~~~~~~~~~~
+
+.. qpdf:option:: --static-id
+
+   .. help: use a fixed document ID
+
+      Use a fixed value for the document ID. This is intended for
+      testing only. Never use it for production files. See also
+      qpdf --help=--deterministic-id.
+
+   Use a fixed value for the document ID (``/ID`` in the trailer).
+   **This is intended for testing only. Never use it for production
+   files.** If you are trying to get the same ID each time for a given
+   file and you are not generating encrypted files, consider using the
+   :qpdf:ref:`--deterministic-id` option.
+
+.. qpdf:option:: --static-aes-iv
+
+   .. help: use a fixed AES vector
+
+      Use a static initialization vector for AES-CBC. This is intended
+      for testing only so that output files can be reproducible. Never
+      use it for production files. This option is not secure since it
+      significantly weakens the encryption.
+
+   Use a static initialization vector for AES-CBC. This is intended
+   for testing only so that output files can be reproducible. Never
+   use it for production files. **This option in particular is not
+   secure since it significantly weakens the encryption.** When
+   combined with :qpdf:ref:`--static-id` and using the three-step
+   process described in :ref:`idempotency`, it is possible to create
+   byte-for-byte idempotent output with PDF files that use 256-bit
+   encryption to assist with creating reproducible test suites.
+
+.. qpdf:option:: --linearize-pass1=file
+
+   .. help: save pass 1 of linearization
+
+      Write the first pass of linearization to the named file. The
+      resulting file is not a valid PDF file. This option is useful only
+      for debugging qpdf.
+
+   Write the first pass of linearization to the named file. *The
+   resulting file is not a valid PDF file.* This option is useful only
+   for debugging ``QPDFWriter``'s linearization code. When qpdf
+   linearizes files, it writes the file in two passes, using the first
+   pass to calculate sizes and offsets that are required for hint
+   tables and the linearization dictionary. Ordinarily, the first pass
+   is discarded. This option enables it to be captured, allowing
+   inspection of the file before values calculated in pass 1 are
+   inserted into the file for pass 2.
+
+.. qpdf:option:: --test-json-schema
+
+   .. help: test generated json against schema
+
+      This is used by qpdf's test suite to check consistency between
+      the output of qpdf --json and the output of qpdf --json-help.
+
+   This is used by qpdf's test suite to check consistency between the
+   output of ``qpdf --json`` and the output of ``qpdf --json-help``.
+   This option causes an extra copy of the generated JSON to appear in
+   memory and is therefore unsuitable for use with large files. This
+   is why it's also not on by default.
+
+.. qpdf:option:: --report-memory-usage
+
+   .. help: best effort report of memory usage
+
+      This is used by qpdf's performance test suite to report the
+      maximum amount of memory used in supported environments.
+
+   This is used by qpdf's performance test suite to report the maximum
+   amount of memory used in supported environments.
+
+.. _unicode-passwords:
+
+Unicode Passwords
+-----------------
+
+At the library API level, all methods that perform encryption and
+decryption interpret passwords as strings of bytes. It is up to the
+caller to ensure that they are appropriately encoded. Starting with qpdf
+version 8.4.0, qpdf will attempt to make this easier for you when
+interacting with qpdf via its command line interface. The PDF specification
+requires passwords used to encrypt files with 40-bit or 128-bit
+encryption to be encoded with PDF Doc encoding. This encoding is a
+single-byte encoding that supports ISO-Latin-1 and a handful of other
+commonly used characters. It has a large overlap with Windows ANSI but
+is not exactly the same. There is generally no way to provide PDF Doc
+encoded strings on the command line. As such, qpdf versions prior to
+8.4.0 would often create PDF files that couldn't be opened with other
+software when given a password with non-ASCII characters to encrypt a
+file with 40-bit or 128-bit encryption. Starting with qpdf 8.4.0, qpdf
+recognizes the encoding of the parameter and transcodes it as needed.
+The rest of this section provides the details about exactly how qpdf
+behaves. Most users will not need to know this information, but it might
+be useful if you have been working around qpdf's old behavior or if you
+are using qpdf to generate encrypted files for testing other PDF
+software.
+
+A note about Windows: when qpdf builds, it attempts to determine what it
+has to do to use ``wmain`` instead of ``main`` on Windows. The ``wmain``
+function is an alternative entry point that receives all arguments as
+UTF-16-encoded strings. When qpdf starts up this way, it converts all
+the strings to UTF-8 encoding and then invokes the regular main. This
+means that, as far as qpdf is concerned, it receives its command-line
+arguments with UTF-8 encoding, just as it would in any modern Linux or
+UNIX environment.
+
+If a file is being encrypted with 40-bit or 128-bit encryption and the
+supplied password is not a valid UTF-8 string, qpdf will fall back to
+the behavior of interpreting the password as a string of bytes. If you
+have old scripts that encrypt files by passing the output of
+:command:`iconv` to qpdf, you no longer need to do that,
+but if you do, qpdf should still work. The only exception would be for
+the extremely unlikely case of a password that is encoded with a
+single-byte encoding but also happens to be valid UTF-8. Such a password
+would contain strings of even numbers of characters that alternate
+between accented letters and symbols. In the extremely unlikely event
+that you are intentionally using such passwords and qpdf is thwarting
+you by interpreting them as UTF-8, you can use
+:samp:`--password-mode=bytes` to suppress qpdf's
+automatic behavior.
+
+The :qpdf:ref:`--password-mode` option, as described earlier
+in this chapter, can be used to change qpdf's interpretation of supplied
+passwords. There are very few reasons to use this option. One would be
+the unlikely case described in the previous paragraph in which the
+supplied password happens to be valid UTF-8 but isn't supposed to be
+UTF-8. Your best bet would be just to provide the password as a valid
+UTF-8 string, but you could also use
+:samp:`--password-mode=bytes`. Another reason to use
+:samp:`--password-mode=bytes` would be to intentionally
+generate PDF files encrypted with passwords that are not properly
+encoded. The qpdf test suite does this to generate invalid files for the
+purpose of testing its password recovery capability. If you were trying
+to create intentionally incorrect files for a similar purposes, the
+:samp:`bytes` password mode can enable you to do this.
+
+When qpdf attempts to decrypt a file with a password that contains
+non-ASCII characters, it will generate a list of alternative passwords
+by attempting to interpret the password as each of a handful of
+different coding systems and then transcode them to the required format.
+This helps to compensate for the supplied password being given in the
+wrong coding system, such as would happen if you used the
+:command:`iconv` workaround that was previously needed.
+It also generates passwords by doing the reverse operation: translating
+from correct in incorrect encoding of the password. This would enable
+qpdf to decrypt files using passwords that were improperly encoded by
+whatever software encrypted the files, including older versions of qpdf
+invoked without properly encoded passwords. The combination of these two
+recovery methods should make qpdf transparently open most encrypted
+files with the password supplied correctly but in the wrong coding
+system. There are no real downsides to this behavior, but if you don't
+want qpdf to do this, you can use the
+:qpdf:ref:`--suppress-password-recovery` option. One reason
+to do that is to ensure that you know the exact password that was used
+to encrypt the file.
+
+With these changes, qpdf now generates compliant passwords in most
+cases. There are still some exceptions. In particular, the PDF
+specification directs compliant writers to normalize Unicode passwords
+and to perform certain transformations on passwords with bidirectional
+text. Implementing this functionality requires using a real Unicode
+library like ICU. If a client application that uses qpdf wants to do
+this, the qpdf library will accept the resulting passwords, but qpdf
+will not perform these transformations itself. It is possible that this
+will be addressed in a future version of qpdf. The ``QPDFWriter``
+methods that enable encryption on the output file accept passwords as
+strings of bytes.
+
+Please note that the :qpdf:ref:`--password-is-hex-key` option is
+unrelated to all this. That flag bypasses the normal process of going
+from password to encryption key entirely, allowing the raw
+encryption key to be specified directly. That behavior is useful for
+forensic purposes or for brute-force recovery of files with unknown
+passwords and has nothing to do with the document's actual passwords.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/conf.py Added

@@ -0,0 +1,41 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# This file only contains a selection of the most common options. For
+# a full list see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+#
+# To see the default sample conf.py, run sphinx-quickstart in an empty
+# directory. Most of the original comments and options were removed.
+import sphinx_rtd_theme  # noQA F401
+import os
+import sys
+
+sys.path.append(os.path.abspath("./_ext"))
+
+project = 'QPDF'
+copyright = '2005-2022, Jay Berkenbilt'
+author = 'Jay Berkenbilt'
+# make_dist and the CI build lexically find the release version from this file.
+release = '11.1.0'
+version = release
+extensions = 
+    'sphinx_rtd_theme',
+    'qpdf',
+
+html_theme = 'sphinx_rtd_theme'
+html_theme_options = {
+    "body_max_width": None,
+}
+html_logo = '../logo/qpdf.svg'
+html_static_path = '_static'
+html_css_files = 
+    'css/wraptable.css',
+
+latex_elements = {
+    'preamble': r'''
+\sphinxDUC{2264}{$\leq$}
+\sphinxDUC{2265}{$\geq$}
+\sphinxDUC{03C0}{$\pi$}
+''',
+}
+highlight_language = 'none'

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/contributing.rst Added

@@ -0,0 +1,169 @@
+.. _contributing:
+
+Contributing to qpdf
+====================
+
+.. _source-repository:
+
+Source Repository
+-----------------
+
+The qpdf source code lives at https://github.com/qpdf/qpdf.
+
+Create issues (bug reports, feature requests) at
+https://github.com/qpdf/qpdf/issues. If you have a general question or
+topic for discussion, you can create a discussion at
+https://github.com/qpdf/qpdf/discussions.
+
+.. _code-formatting:
+
+Code Formatting
+---------------
+
+The qpdf source code is formatting using clang-format ≥ version 15
+with a :file:`.clang-format` file at the top of the source tree. The
+:file:`format-code` script reformats all the source code in the
+repository. You must have ``clang-format`` in your path, and it must be
+at least version 15.
+
+For emacs users, the :file:`.dir-locals.el` file configures emacs
+``cc-mode`` for an indentation style that is similar to but not
+exactly like what ``clang-format`` produces. When there are
+differences, ``clang-format`` is authoritative. It is not possible to
+make ``cc-mode`` and ``clang-format`` exactly match since the syntax
+parser in emacs is not as sophisticated.
+
+Blocks of code that should not be formatted can be surrounded by the
+comments ``// clang-format off`` and ``// clang-format on``. Sometimes
+clang-format tries to combine lines in ways that are undesirable. In
+this case, we follow a convention of adding a comment ``//
+line-break`` on its own line.
+
+For exact details, consult :file:`.clang-format`. Here is a broad,
+partial summary of the formatting rules:
+
+- Use spaces, not tabs.
+
+- Keep lines to 80 columns when possible.
+
+- Braces are on their own lines after classes and functions (and
+  similar top-level constructs) and are compact otherwise.
+
+- Closing parentheses are attached to the previous material, not not
+  their own lines.
+
+The :file:`README-maintainer` file has a few additional notes that are
+probably not important to anyone who is not making deep changes to
+qpdf.
+
+.. _automated-testing:
+
+Automated Tests
+---------------
+
+The testing style of qpdf has evolved over time. More recent tests
+call ``assert()``. Older tests print stuff to standard output and
+compare the output against reference files. Many tests are a mixture
+of these techniques.
+
+The `qtest <https://qtest.sourceforge.io>`__ style of testing is to
+test everything through the application. So effectively most testing
+is "integration testing" or "end-to-end testing".
+
+For details about ``qtest``, consult the `QTest Manual
+<https://qtest.sourceforge.io/doc/qtest-manual.html>`__. As you read
+it, keep in mind that, in spite of the recent date on the file, the
+vast majority of that documentation is from before 2007 and predates
+many test frameworks and approaches that are in use today.
+
+Notes on testing:
+
+- In most cases, things in the code are tested through integration
+  tests, though the test suite is very thorough. Many tests are driven
+  through the ``qpdf`` CLI. Others are driven through other files in
+  the ``qpdf`` directory, especially ``test_driver.cc`` and
+  ``qpdf-ctest.c``. These programs only use the public API.
+
+- In some cases, there are true "unit tests", but they are exercised
+  through various stand-alone programs that exercise the library in
+  particular ways, including some that have access to library
+  internals. These are in the ``libtests`` directory.
+
+Coverage
+~~~~~~~~
+
+You wil see calls to ``QTC::TC`` throughout the code. This is a
+"manual coverage" system described in depth in the qtest documentation
+linked above. It works by ensuring that ``QTC::TC`` is called sometime
+during the test in each configured way. In brief:
+
+- ``QTC::TC`` takes two mandatory options and an optional one:
+
+  - The first two arguments must be *string literals*. This is because
+    ``qtest`` finds coverage cases lexically.
+
+  - The first argument is the scope name, usually ``qpdf``. This means
+    there is a ``qpdf.testcov`` file in the source directory.
+
+  - The second argument is a case name. Each case name appears in
+    ``qpdf.testcov`` with a number after it, usually ``0``.
+
+  - If the third argument is present, it is a number. ``qtest``
+    ensures that the ``QTC::TC`` is called for that scope and case at
+    least once with the third argument set to every value from ``0``
+    to ``n`` inclusive, where ``n`` is the number after the coverage
+    call.
+
+- ``QTC::TC`` does nothing unless certain environment variables are
+  set. Therefore, ``QTC:TC`` calls should have no side effects. (In
+  some languages, they may be disabled at compile-time, though qpdf
+  does not actually do this.)
+
+So, for example, if you have this code:
+
+.. code-block:: C++
+
+   QTC::TC("qpdf", "QPDF eof skipping spaces before xref",
+	   skipped_space ? 0 : 1);
+
+
+and this line in `qpdf.testcov`:
+
+::
+
+   QPDF eof skipping spaces before xref 1
+
+the test suite will only pass if that line of code was called at least
+once with ``skipped_space == 0`` and at least once with ``skipped_space
+== 1``.
+
+The manual coverage approach ensures the reader that certain
+conditions were covered in testing. Use of ``QTC::TC`` is only part of
+the overall strategy.
+
+I do not require testing on pull requests, but they are appreciated,
+and I will not merge any code that is not tested. Often someone will
+submit a pull request that is not adequately tested but is a good
+contribution. In those cases, I will often take the code, add it with
+tests, and accept the changes that way rather than merging the pull
+request as submitted.
+
+Personal Comments
+-----------------
+
+QPDF started as a work project in 2002. The first open source release
+was in 2008. While there have been a handful of contributors, the vast
+majority of the code was written by one person over many years as a
+side project.
+
+I maintain a very strong commitment to backward compatibility. As
+such, there are many aspects of the code that are showing their age.
+While I believe the codebase to have high quality, there are things
+that I would do differently if I were doing them from scratch today.
+Sometimes people will suggest changes that I like but can't accept for
+backward compatibility reasons.
+
+While I welcome contributions and am eager to collaborate with
+contributors, I have a high bar. I only accept things I'm willing to
+maintain over the long haul, and I am happy to help people get
+submissions into that state.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/design.rst Added

@@ -0,0 +1,1191 @@
+.. _design:
+
+Design and Library Notes
+========================
+
+.. _design.intro:
+
+Introduction
+------------
+
+This section was written prior to the implementation of the qpdf
+library and was subsequently modified to reflect the implementation.
+In some cases, for purposes of explanation, it may differ slightly
+from the actual implementation. As always, the source code and test
+suite are authoritative. Even if there are some errors, this document
+should serve as a road map to understanding how this code works.
+
+In general, one should adhere strictly to a specification when writing
+but be liberal in reading. This way, the product of our software will
+be accepted by the widest range of other programs, and we will accept
+the widest range of input files. This library attempts to conform to
+that philosophy whenever possible but also aims to provide strict
+checking for people who want to validate PDF files. If you don't want
+to see warnings and are trying to write something that is tolerant,
+you can call ``setSuppressWarnings(true)``. If you want to fail on the
+first error, you can call ``setAttemptRecovery(false)``. The default
+behavior is to generating warnings for recoverable problems. Note that
+recovery will not always produce the desired results even if it is
+able to get through the file. Unlike most other PDF files that produce
+generic warnings such as "This file is damaged," qpdf generally issues
+a detailed error message that would be most useful to a PDF developer.
+This is by design as there seems to be a shortage of PDF validation
+tools out there. This was, in fact, one of the major motivations
+behind the initial creation of qpdf. That said, qpdf is not a strict
+PDF checker. There are many ways in which a PDF file can be out of
+conformance to the spec that qpdf doesn't notice or report.
+
+.. _design-goals:
+
+Design Goals
+------------
+
+The qpdf library includes support for reading and rewriting PDF files.
+It aims to hide from the user details involving object locations,
+modified (appended) PDF files, use of object streams, and stream
+filters including encryption. It does not aim to hide knowledge of the
+object hierarchy or content stream contents. Put another way, a user
+of the qpdf library is expected to have knowledge about how PDF files
+work, but is not expected to have to keep track of bookkeeping details
+such as file positions.
+
+When accessing objects, a user of the library never has to care
+whether an object is direct or indirect as all access to objects deals
+with this transparently. All memory management details are also
+handled by the library. When modifying objects, it is possible to
+determine whether an object is indirect and to make copies of the
+object if needed.
+
+Memory is managed mostly with ``std::shared_ptr`` object to minimize
+explicit memory handling. This library also makes use of a technique
+for giving fine-grained access to methods in one class to other
+classes by using public subclasses with friends and only private
+members that in turn call private methods of the containing class. See
+``QPDFObjectHandle::Factory`` as an example.
+
+The top-level qpdf class is ``QPDF``. A ``QPDF`` object represents a PDF
+file. The library provides methods for both accessing and mutating PDF
+files.
+
+The primary class for interacting with PDF objects is
+``QPDFObjectHandle``. Instances of this class can be passed around by
+value, copied, stored in containers, etc. with very low overhead. The
+``QPDFObjectHandle`` object contains an internal shared pointer to the
+underlying object. Instances of ``QPDFObjectHandle`` created by
+reading from a file will always contain a reference back to the
+``QPDF`` object from which they were created. A ``QPDFObjectHandle``
+may be direct or indirect. If indirect, object is initially
+*unresolved*. In this case, the first attempt to access the underlying
+object will result in the object being resolved via a call to the
+referenced ``QPDF`` instance. This makes it essentially impossible to
+make coding errors in which certain things will work for some PDF
+files and not for others based on which objects are direct and which
+objects are indirect. In cases where it is necessary to know whether
+an object is indirect or not, this information can be obtained from
+the ``QPDFObjectHandle``. It is also possible to convert direct
+objects to indirect objects and vice versa.
+
+Instances of ``QPDFObjectHandle`` can be directly created and modified
+using static factory methods in the ``QPDFObjectHandle`` class. There
+are factory methods for each type of object as well as a convenience
+method ``QPDFObjectHandle::parse`` that creates an object from a
+string representation of the object. The ``_qpdf`` user-defined string
+literal is also available, making it possible to create instances of
+``QPDFObjectHandle`` with ``"(pdf-syntax)"_qpdf``. Existing instances
+of ``QPDFObjectHandle`` can also be modified in several ways. See
+comments in :file:`QPDFObjectHandle.hh` for details.
+
+An instance of ``QPDF`` is constructed by using the class's default
+constructor or with ``QPDF::create()``. If desired, the ``QPDF``
+object may be configured with various methods that change its default
+behavior. Then the ``QPDF::processFile`` method is passed the name of
+a PDF file, which permanently associates the file with that ``QPDF``
+object. A password may also be given for access to password-protected
+files. ``QPDF`` does not enforce encryption parameters and will treat
+user and owner passwords equivalently. Either password may be used to
+access an encrypted file. ``QPDF`` will allow recovery of a user
+password given an owner password. The input PDF file must be seekable.
+Output files written by ``QPDFWriter`` need not be seekable, even when
+creating linearized files. During construction, ``QPDF`` validates the
+PDF file's header, and then reads the cross reference tables and
+trailer dictionaries. The ``QPDF`` class keeps only the first trailer
+dictionary though it does read all of them so it can check the
+``/Prev`` key. ``QPDF`` class users may request the root object and
+the trailer dictionary specifically. The cross reference table is kept
+private. Objects may then be requested by number or by walking the
+object tree.
+
+When a PDF file has a cross-reference stream instead of a
+cross-reference table and trailer, requesting the document's trailer
+dictionary returns the stream dictionary from the cross-reference stream
+instead.
+
+There are some convenience routines for very common operations such as
+walking the page tree and returning a vector of all page objects. For
+full details, please see the header files
+:file:`QPDF.hh` and
+:file:`QPDFObjectHandle.hh`. There are also some
+additional helper classes that provide higher level API functions for
+certain document constructions. These are discussed in :ref:`helper-classes`.
+
+.. _helper-classes:
+
+Helper Classes
+--------------
+
+QPDF version 8.1 introduced the concept of helper classes. Helper
+classes are intended to contain higher level APIs that allow developers
+to work with certain document constructs at an abstraction level above
+that of ``QPDFObjectHandle`` while staying true to qpdf's philosophy of
+not hiding document structure from the developer. As with qpdf in
+general, the goal is to take away some of the more tedious bookkeeping
+aspects of working with PDF files, not to remove the need for the
+developer to understand how the PDF construction in question works. The
+driving factor behind the creation of helper classes was to allow the
+evolution of higher level interfaces in qpdf without polluting the
+interfaces of the main top-level classes ``QPDF`` and
+``QPDFObjectHandle``.
+
+There are two kinds of helper classes: *document* helpers and *object*
+helpers. Document helpers are constructed with a reference to a ``QPDF``
+object and provide methods for working with structures that are at the
+document level. Object helpers are constructed with an instance of a
+``QPDFObjectHandle`` and provide methods for working with specific types
+of objects.
+
+Examples of document helpers include ``QPDFPageDocumentHelper``, which
+contains methods for operating on the document's page trees, such as
+enumerating all pages of a document and adding and removing pages; and
+``QPDFAcroFormDocumentHelper``, which contains document-level methods
+related to interactive forms, such as enumerating form fields and
+creating mappings between form fields and annotations.
+
+Examples of object helpers include ``QPDFPageObjectHelper`` for
+performing operations on pages such as page rotation and some operations
+on content streams, ``QPDFFormFieldObjectHelper`` for performing
+operations related to interactive form fields, and
+``QPDFAnnotationObjectHelper`` for working with annotations.
+
+It is always possible to retrieve the underlying ``QPDF`` reference from
+a document helper and the underlying ``QPDFObjectHandle`` reference from
+an object helper. Helpers are designed to be helpers, not wrappers. The
+intention is that, in general, it is safe to freely intermix operations
+that use helpers with operations that use the underlying objects.
+Document and object helpers do not attempt to provide a complete
+interface for working with the things they are helping with, nor do they
+attempt to encapsulate underlying structures. They just provide a few
+methods to help with error-prone, repetitive, or complex tasks. In some
+cases, a helper object may cache some information that is expensive to
+gather. In such cases, the helper classes are implemented so that their
+own methods keep the cache consistent, and the header file will provide
+a method to invalidate the cache and a description of what kinds of
+operations would make the cache invalid. If in doubt, you can always
+discard a helper class and create a new one with the same underlying
+objects, which will ensure that you have discarded any stale
+information.
+
+By Convention, document helpers are called
+``QPDFSomethingDocumentHelper`` and are derived from
+``QPDFDocumentHelper``, and object helpers are called
+``QPDFSomethingObjectHelper`` and are derived from ``QPDFObjectHelper``.
+For details on specific helpers, please see their header files. You can
+find them by looking at
+:file:`include/qpdf/QPDF*DocumentHelper.hh` and
+:file:`include/qpdf/QPDF*ObjectHelper.hh`.
+
+In order to avoid creation of circular dependencies, the following
+general guidelines are followed with helper classes:
+
+- Core class interfaces do not know about helper classes. For example,
+  no methods of ``QPDF`` or ``QPDFObjectHandle`` will include helper
+  classes in their interfaces.
+
+- Interfaces of object helpers will usually not use document helpers in
+  their interfaces. This is because it is much more useful for document
+  helpers to have methods that return object helpers. Most operations
+  in PDF files start at the document level and go from there to the
+  object level rather than the other way around. It can sometimes be
+  useful to map back from object-level structures to document-level
+  structures. If there is a desire to do this, it will generally be
+  provided by a method in the document helper class.
+
+- Most of the time, object helpers don't know about other object
+  helpers. However, in some cases, one type of object may be a
+  container for another type of object, in which case it may make sense
+  for the outer object to know about the inner object. For example,
+  there are methods in the ``QPDFPageObjectHelper`` that know
+  ``QPDFAnnotationObjectHelper`` because references to annotations are
+  contained in page dictionaries.
+
+- Any helper or core library class may use helpers in their
+  implementations.
+
+Prior to qpdf version 8.1, higher level interfaces were added as
+"convenience functions" in either ``QPDF`` or ``QPDFObjectHandle``. For
+compatibility, older convenience functions for operating with pages will
+remain in those classes even as alternatives are provided in helper
+classes. Going forward, new higher level interfaces will be provided
+using helper classes.
+
+.. _implementation-notes:
+
+Implementation Notes
+--------------------
+
+This section contains a few notes about QPDF's internal implementation,
+particularly around what it does when it first processes a file. This
+section is a bit of a simplification of what it actually does, but it
+could serve as a starting point to someone trying to understand the
+implementation. There is nothing in this section that you need to know
+to use the qpdf library.
+
+In a PDF file, objects may be direct or indirect. Direct objects are
+objects whose representations appear directly in PDF syntax. Indirect
+objects are references to objects by their ID. The qpdf library uses
+the ``QPDFObjectHandle`` type to hold onto objects and to abstract
+away in most cases whether the object is direct or indirect.
+
+Internally, ``QPDFObjectHandle`` holds onto a shared pointer to the
+underlying object value. When a direct object is created
+programmatically by client code (rather than being read from the
+file), the ``QPDFObjectHandle`` that holds it is not associated with a
+``QPDF`` object. When an indirect object reference is created, it
+starts off in an *unresolved* state and must be associated with a
+``QPDF`` object, which is considered its *owner*. To access the actual
+value of the object, the object must be *resolved*. This happens
+automatically when the the object is accessed in any way.
+
+To resolve an object, qpdf checks its object cache. If not found in
+the cache, it attempts to read the object from the input source
+associated with the ``QPDF`` object. If it is not found, a ``null``
+object is returned. A ``null`` object is an object type, just like
+boolean, string, number, etc. It is not a null pointer. The PDF
+specification states that an indirect reference to an object that
+doesn't exist is to be treated as a ``null``. The resulting object,
+whether a ``null`` or the actual object that was read, is stored in
+the cache. If the object is later replaced or swapped, the underlying
+object remains the same, but its value is replaced. This way, if you
+have a ``QPDFObjectHandle`` to an indirect object and the object by
+that number is replaced (by calling ``QPDF::replaceObject`` or
+``QPDF::swapObjects``), your ``QPDFObjectHandle`` will reflect the new
+value of the object. This is consistent with what would happen to PDF
+objects if you were to replace the definition of an object in the
+file.
+
+When reading an object from the input source, if the requested object
+is inside of an object stream, the object stream itself is first read
+into memory. Then the tokenizer reads objects from the memory stream
+based on the offset information stored in the stream. Those individual
+objects are cached, after which the temporary buffer holding the
+object stream contents is discarded. In this way, the first time an
+object in an object stream is requested, all objects in the stream are
+cached.
+
+The following example should clarify how ``QPDF`` processes a simple
+file.
+
+- Client constructs ``QPDF`` ``pdf`` and calls
+  ``pdf.processFile("a.pdf");``.
+
+- The ``QPDF`` class checks the beginning of
+  :file:`a.pdf` for a PDF header. It then reads the
+  cross reference table mentioned at the end of the file, ensuring that
+  it is looking before the last ``%%EOF``. After getting to ``trailer``
+  keyword, it invokes the parser.
+
+- The parser sees ``<<``, so it changes state and starts accumulating
+  the keys and values of the dictionary.
+
+- In dictionary creation mode, the parser keeps accumulating objects
+  until it encounters ``>>``. Each object that is read is pushed onto
+  a stack. If ``R`` is read, the last two objects on the stack are
+  inspected. If they are integers, they are popped off the stack and
+  their values are used to obtain an indirect object handle from the
+  ``QPDF`` class. The ``QPDF`` class consults its cache, and if
+  necessary, inserts a new unresolved object, and returns an object
+  handle pointing to the cache entry, which is then pushed onto the
+  stack. When ``>>`` is finally read, the stack is converted into a
+  ``QPDF_Dictionary`` (not directly accessible through the API) which
+  is placed in a ``QPDFObjectHandle`` and returned.
+
+- The resulting dictionary is saved as the trailer dictionary.
+
+- The ``/Prev`` key is searched. If present, ``QPDF`` seeks to that
+  point and repeats except that the new trailer dictionary is not
+  saved. If ``/Prev`` is not present, the initial parsing process is
+  complete.
+
+- If there is an encryption dictionary, the document's encryption
+  parameters are initialized.
+
+- The client requests the root object by getting the value of the
+  ``/Root`` key from trailer dictionary and returns it. It is an
+  unresolved indirect ``QPDFObjectHandle``.
+
+- The client requests the ``/Pages`` key from root
+  ``QPDFObjectHandle``. The ``QPDFObjectHandle`` notices that it is an
+  unresolved indirect object, so it asks ``QPDF`` to resolve it.
+  ``QPDF`` checks the cross reference table, gets the offset, and
+  reads the object present at that offset. The object cache entry's
+  ``unresolved`` value is replaced by the actual value, which causes
+  any previously unresolved ``QPDFObjectHandle`` objects that pointed
+  there to now have a shared copy of the actual object. Modifications
+  through any such ``QPDFObjectHandle`` will be reflected in all of
+  them. As the client continues to request objects, the same process
+  is followed for each new requested object.
+
+.. _object_internals:
+
+QPDF Object Internals
+---------------------
+
+The internals of ``QPDFObjectHandle`` and how qpdf stores objects were
+significantly rewritten for QPDF 11. Here are some additional details.
+
+Object Internals
+~~~~~~~~~~~~~~~~
+
+The ``QPDF`` object has an object cache which contains a shared
+pointer to each object that was read from the file or added as an
+indirect object. Changes can be made to any of those objects through
+``QPDFObjectHandle`` methods. Any such changes are visible to all
+``QPDFObjectHandle`` instances that point to the same object. When a
+``QPDF`` object is written by ``QPDFWriter`` or serialized to JSON,
+any changes are reflected.
+
+Objects in qpdf 11 and Newer
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The object cache in ``QPDF`` contains a shared pointer to
+``QPDFObject``. Any ``QPDFObjectHandle`` resolved from an indirect
+reference to that object has a copy of that shared pointer. Each
+``QPDFObject`` object contains a shared pointer to an object of type
+``QPDFValue``. The ``QPDFValue`` type is an abstract base class. There
+is an implementation for each of the basic object types (array,
+dictionary, null, boolean, string, number, etc.) as well as a few
+special ones including ``uninitialized``, ``unresolved``,
+``reserved``, and ``destroyed``. When an object is first created,
+its underlying ``QPDFValue`` has type ``unresolved``. When the object
+is first accessed, the ``QPDFObject`` in the cache has its internal
+``QPDFValue`` replaced with the object as read from the file. Since it
+is the ``QPDFObject`` object that is shared by all referencing
+``QPDFObjectHandle`` objects as well as by the owning ``QPDF`` object,
+this ensures that any future changes to the object, including
+replacing the object with a completely different one by calling
+``QPDF::replaceObject`` or ``QPDF::swapObjects``, will be
+reflected across all ``QPDFObjectHandle`` objects that reference it.
+
+A ``QPDFValue`` that originated from a PDF input source maintains a
+pointer to the ``QPDF`` object that read it (its *owner*). When that
+``QPDF`` object is destroyed, it disconnects all objects reachable
+from it by clearing their owner. For indirect objects (all objects in
+the object cache), it also replaces the object's value with an object
+of type ``destroyed``. This means that, if there are still any
+referencing ``QPDFObjectHandle`` objects floating around, requesting
+their owning ``QPDF`` will return a null pointer rather than a pointer
+to a ``QPDF`` object that is either invalid or points to something
+else, and any attempt to access an indirect object that is associated
+with a destroyed ``QPDF`` object will throw an exception. This
+operation also has the effect of breaking any circular references
+(which are common and, in some cases, required by the PDF
+specification), thus preventing memory leaks when ``QPDF`` objects are
+destroyed.
+
+Objects prior to qpdf 11
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+Prior to qpdf 11, the functionality of the ``QPDFValue`` and
+``QPDFObject`` classes were contained in a single ``QPDFObject``
+class, which served the dual purpose of being the cache entry for
+``QPDF`` and being the abstract base class for all the different PDF
+object types. The behavior was nearly the same, but there were some
+problems:
+
+- While changes to a ``QPDFObjectHandle`` through mutation were
+  visible across all referencing ``QPDFObjectHandle`` objects,
+  *replacing* an object with ``QPDF::replaceObject`` or
+  ``QPDF::swapObjects`` would leave ``QPDF`` with no way of notifying
+  ``QPDFObjectHandle`` objects that pointed to the old ``QPDFObject``.
+  To work around this, every attempt to access the underlying object
+  that a ``QPDFObjectHandle`` pointed to had to ask the owning
+  ``QPDF`` whether the object had changed, and if so, it had to
+  replace its internal ``QPDFObject`` pointer. This added overhead to
+  every indirect object access even if no objects were ever changed.
+
+- When a ``QPDF`` object was destroyed, any ``QPDFObjectHandle``
+  objects that referenced it would maintain a potentially invalid
+  pointer as the owning ``QPDF``. In practice, this wasn't usually a
+  problem since generally people would have no need to maintain copies
+  of a ``QPDFObjectHandle`` from a destroyed ``QPDF`` object, but
+  in cases where this was possible, it was necessary for other
+  software to do its own bookkeeping to ensure that an object's owner
+  was still valid.
+
+These problems were solved by splitting ``QPDFObject`` into
+``QPDFObject`` and ``QPDFValue``.
+
+.. _casting:
+
+Casting Policy
+--------------
+
+This section describes the casting policy followed by qpdf's
+implementation. This is no concern to qpdf's end users and largely of no
+concern to people writing code that uses qpdf, but it could be of
+interest to people who are porting qpdf to a new platform or who are
+making modifications to the code.
+
+The C++ code in qpdf is free of old-style casts except where unavoidable
+(e.g. where the old-style cast is in a macro provided by a third-party
+header file). When there is a need for a cast, it is handled, in order
+of preference, by rewriting the code to avoid the need for a cast,
+calling ``const_cast``, calling ``static_cast``, calling
+``reinterpret_cast``, or calling some combination of the above. As a
+last resort, a compiler-specific ``#pragma`` may be used to suppress a
+warning that we don't want to fix. Examples may include suppressing
+warnings about the use of old-style casts in code that is shared between
+C and C++ code.
+
+The ``QIntC`` namespace, provided by
+:file:`include/qpdf/QIntC.hh`, implements safe
+functions for converting between integer types. These functions do range
+checking and throw a ``std::range_error``, which is subclass of
+``std::runtime_error``, if conversion from one integer type to another
+results in loss of information. There are many cases in which we have to
+move between different integer types because of incompatible integer
+types used in interoperable interfaces. Some are unavoidable, such as
+moving between sizes and offsets, and others are there because of old
+code that is too in entrenched to be fixable without breaking source
+compatibility and causing pain for users. QPDF is compiled with extra
+warnings to detect conversions with potential data loss, and all such
+cases should be fixed by either using a function from ``QIntC`` or a
+``static_cast``.
+
+When the intention is just to switch the type because of exchanging data
+between incompatible interfaces, use ``QIntC``. This is the usual case.
+However, there are some cases in which we are explicitly intending to
+use the exact same bit pattern with a different type. This is most
+common when switching between signed and unsigned characters. A lot of
+qpdf's code uses unsigned characters internally, but ``std::string`` and
+``char`` are signed. Using ``QIntC::to_char`` would be wrong for
+converting from unsigned to signed characters because a negative
+``char`` value and the corresponding ``unsigned char`` value greater
+than 127 *mean the same thing*. There are also
+cases in which we use ``static_cast`` when working with bit fields where
+we are not representing a numerical value but rather a bunch of bits
+packed together in some integer type. Also note that ``size_t`` and
+``long`` both typically differ between 32-bit and 64-bit environments,
+so sometimes an explicit cast may not be needed to avoid warnings on one
+platform but may be needed on another. A conversion with ``QIntC``
+should always be used when the types are different even if the
+underlying size is the same. QPDF's automatic build builds on 32-bit
+and 64-bit platforms, and the test suite is very thorough, so it is
+hard to make any of the potential errors here without being caught in
+build or test.
+
+.. _encryption:
+
+Encryption
+----------
+
+Encryption is supported transparently by qpdf. When opening a PDF file,
+if an encryption dictionary exists, the ``QPDF`` object processes this
+dictionary using the password (if any) provided. The primary decryption
+key is computed and cached. No further access is made to the encryption
+dictionary after that time. When an object is read from a file, the
+object ID and generation of the object in which it is contained is
+always known. Using this information along with the stored encryption
+key, all stream and string objects are transparently decrypted. Raw
+encrypted objects are never stored in memory. This way, nothing in the
+library ever has to know or care whether it is reading an encrypted
+file.
+
+An interface is also provided for writing encrypted streams and strings
+given an encryption key. This is used by ``QPDFWriter`` when it rewrites
+encrypted files.
+
+When copying encrypted files, unless otherwise directed, qpdf will
+preserve any encryption in effect in the original file. qpdf can do
+this with either the user or the owner password. There is no
+difference in capability based on which password is used. When 40 or
+128 bit encryption keys are used, the user password can be recovered
+with the owner password. With 256 keys, the user and owner passwords
+are used independently to encrypt the actual encryption key, so while
+either can be used, the owner password can no longer be used to
+recover the user password.
+
+Starting with version 4.0.0, qpdf can read files that are not encrypted
+but that contain encrypted attachments, but it cannot write such files.
+qpdf also requires the password to be specified in order to open the
+file, not just to extract attachments, since once the file is open, all
+decryption is handled transparently. When copying files like this while
+preserving encryption, qpdf will apply the file's encryption to
+everything in the file, not just to the attachments. When decrypting the
+file, qpdf will decrypt the attachments. In general, when copying PDF
+files with multiple encryption formats, qpdf will choose the newest
+format. The only exception to this is that clear-text metadata will be
+preserved as clear-text if it is that way in the original file.
+
+One point of confusion some people have about encrypted PDF files is
+that encryption is not the same as password protection.
+Password-protected files are always encrypted, but it is also possible
+to create encrypted files that do not have passwords. Internally, such
+files use the empty string as a password, and most readers try the
+empty string first to see if it works and prompt for a password only
+if the empty string doesn't work. Normally such files have an empty
+user password and a non-empty owner password. In that way, if the file
+is opened by an ordinary reader without specification of password, the
+restrictions specified in the encryption dictionary can be enforced.
+Most users wouldn't even realize such a file was encrypted. Since qpdf
+always ignores the restrictions (except for the purpose of reporting
+what they are), qpdf doesn't care which password you use. QPDF will
+allow you to create PDF files with non-empty user passwords and empty
+owner passwords. Some readers will require a password when you open
+these files, and others will open the files without a password and not
+enforce restrictions. Having a non-empty user password and an empty
+owner password doesn't really make sense because it would mean that
+opening the file with the user password would be more restrictive than
+not supplying a password at all. QPDF also allows you to create PDF
+files with the same password as both the user and owner password. Some
+readers will not ever allow such files to be accessed without
+restrictions because they never try the password as the owner password
+if it works as the user password. Nonetheless, one of the powerful
+aspects of qpdf is that it allows you to finely specify the way
+encrypted files are created, even if the results are not useful to
+some readers. One use case for this would be for testing a PDF reader
+to ensure that it handles odd configurations of input files. If you
+attempt to create an encrypted file that is not secure, qpdf will warn
+you and require you to explicitly state your intention to create an
+insecure file. So while qpdf can create insecure files, it won't let
+you do it by mistake.
+
+.. _random-numbers:
+
+Random Number Generation
+------------------------
+
+QPDF generates random numbers to support generation of encrypted data.
+Starting in qpdf 10.0.0, qpdf uses the crypto provider as its source of
+random numbers. Older versions used the OS-provided source of secure
+random numbers or, if allowed at build time, insecure random numbers
+from stdlib. Starting with version 5.1.0, you can disable use of
+OS-provided secure random numbers at build time. This is especially
+useful on Windows if you want to avoid a dependency on Microsoft's
+cryptography API. You can also supply your own random data provider. For
+details on how to do this, please refer to the top-level README.md file
+in the source distribution and to comments in
+:file:`QUtil.hh`.
+
+.. _adding-and-remove-pages:
+
+Adding and Removing Pages
+-------------------------
+
+While qpdf's API has supported adding and modifying objects for some
+time, version 3.0 introduces specific methods for adding and removing
+pages. These are largely convenience routines that handle two tricky
+issues: pushing inheritable resources from the ``/Pages`` tree down to
+individual pages and manipulation of the ``/Pages`` tree itself. For
+details, see ``addPage`` and surrounding methods in
+:file:`QPDF.hh`.
+
+.. _reserved-objects:
+
+Reserving Object Numbers
+------------------------
+
+Version 3.0 of qpdf introduced the concept of reserved objects. These
+are seldom needed for ordinary operations, but there are cases in which
+you may want to add a series of indirect objects with references to each
+other to a ``QPDF`` object. This causes a problem because you can't
+determine the object ID that a new indirect object will have until you
+add it to the ``QPDF`` object with ``QPDF::makeIndirectObject``. The
+only way to add two mutually referential objects to a ``QPDF`` object
+prior to version 3.0 would be to add the new objects first and then make
+them refer to each other after adding them. Now it is possible to create
+a *reserved object* using
+``QPDFObjectHandle::newReserved``. This is an indirect object that stays
+"unresolved" even if it is queried for its type. So now, if you want to
+create a set of mutually referential objects, you can create
+reservations for each one of them and use those reservations to
+construct the references. When finished, you can call
+``QPDF::replaceReserved`` to replace the reserved objects with the real
+ones. This functionality will never be needed by most applications, but
+it is used internally by QPDF when copying objects from other PDF files,
+as discussed in :ref:`foreign-objects`. For an example of how to use reserved
+objects, search for ``newReserved`` in
+:file:`test_driver.cc` in qpdf's sources.
+
+.. _foreign-objects:
+
+Copying Objects From Other PDF Files
+------------------------------------
+
+Version 3.0 of qpdf introduced the ability to copy objects into a
+``QPDF`` object from a different ``QPDF`` object, which we refer to as
+*foreign objects*. This allows arbitrary merging of PDF files. The
+:command:`qpdf` command-line tool provides limited support for basic
+page selection, including merging in pages from other files, but the
+library's API makes it possible to implement arbitrarily complex
+merging operations. The main method for copying foreign objects is
+``QPDF::copyForeignObject``. This takes an indirect object from
+another ``QPDF`` and copies it recursively into this object while
+preserving all object structure, including circular references. This
+means you can add a direct object that you create from scratch to a
+``QPDF`` object with ``QPDF::makeIndirectObject``, and you can add an
+indirect object from another file with ``QPDF::copyForeignObject``.
+The fact that ``QPDF::makeIndirectObject`` does not automatically
+detect a foreign object and copy it is an explicit design decision.
+Copying a foreign object seems like a sufficiently significant thing
+to do that it should be done explicitly.
+
+The other way to copy foreign objects is by passing a page from one
+``QPDF`` to another by calling ``QPDF::addPage``. In contrast to
+``QPDF::makeIndirectObject``, this method automatically distinguishes
+between indirect objects in the current file, foreign objects, and
+direct objects.
+
+When you copy objects from one ``QPDF`` to another, the input source
+of the original file remain valid until you have finished with the
+destination object. This is because the input source is still used
+to retrieve any referenced stream data from the copied object. If
+needed, there are methods to force the data to be copied. See comments
+near the declaration of ``copyForeignObject`` in
+:file:`include/qpdf/QPDF.hh` for details.
+
+.. _rewriting:
+
+Writing PDF Files
+-----------------
+
+The qpdf library supports file writing of ``QPDF`` objects to PDF
+files through the ``QPDFWriter`` class. The ``QPDFWriter`` class has
+two writing modes: one for non-linearized files, and one for
+linearized files. See :ref:`linearization` for a description of
+linearization is implemented. This section describes how we write
+non-linearized files including the creation of QDF files (see
+:ref:`qdf`).
+
+This outline was written prior to implementation and is not exactly
+accurate, but it portrays the essence of how writing works. Look at
+the code in ``QPDFWriter`` for exact details.
+
+- Initialize state:
+
+  - next object number = 1
+
+  - object queue = empty
+
+  - renumber table: old object id/generation to new id/0 = empty
+
+  - xref table: new id -> offset = empty
+
+- Create a ``QPDF`` object from a file.
+
+- Write header for new PDF file.
+
+- Request the trailer dictionary.
+
+- For each value that is an indirect object, grab the next object
+  number (via an operation that returns and increments the number). Map
+  object to new number in renumber table. Push object onto queue.
+
+- While there are more objects on the queue:
+
+  - Pop queue.
+
+  - Look up object's new number *n* in the renumbering table.
+
+  - Store current offset into xref table.
+
+  - Write ``:samp:`{n}` 0 obj``.
+
+  - If object is null, whether direct or indirect, write out null,
+    thus eliminating unresolvable indirect object references.
+
+  - If the object is a stream stream, write stream contents, piped
+    through any filters as required, to a memory buffer. Use this
+    buffer to determine the stream length.
+
+  - If object is not a stream, array, or dictionary, write out its
+    contents.
+
+  - If object is an array or dictionary (including stream), traverse
+    its elements (for array) or values (for dictionaries), handling
+    recursive dictionaries and arrays, looking for indirect objects.
+    When an indirect object is found, if it is not resolvable, ignore.
+    (This case is handled when writing it out.) Otherwise, look it up
+    in the renumbering table. If not found, grab the next available
+    object number, assign to the referenced object in the renumbering
+    table, and push the referenced object onto the queue. As a special
+    case, when writing out a stream dictionary, replace length,
+    filters, and decode parameters as required.
+
+    Write out dictionary or array, replacing any unresolvable indirect
+    object references with null (pdf spec says reference to
+    non-existent object is legal and resolves to null) and any
+    resolvable ones with references to the renumbered objects.
+
+  - If the object is a stream, write ``stream\n``, the stream contents
+    (from the memory buffer), and ``\nendstream\n``.
+
+  - When done, write ``endobj``.
+
+Once we have finished the queue, all referenced objects will have been
+written out and all deleted objects or unreferenced objects will have
+been skipped. The new cross-reference table will contain an offset for
+every new object number from 1 up to the number of objects written. This
+can be used to write out a new xref table. Finally we can write out the
+trailer dictionary with appropriately computed /ID (see spec, 8.3, File
+Identifiers), the cross reference table offset, and ``%%EOF``.
+
+.. _filtered-streams:
+
+Filtered Streams
+----------------
+
+Support for streams is implemented through the ``Pipeline`` interface
+which was designed for this library.
+
+When reading streams, create a series of ``Pipeline`` objects. The
+``Pipeline`` abstract base requires implementation ``write()`` and
+``finish()`` and provides an implementation of ``getNext()``. Each
+pipeline object, upon receiving data, does whatever it is going to do
+and then writes the data (possibly modified) to its successor.
+Alternatively, a pipeline may be an end-of-the-line pipeline that does
+something like store its output to a file or a memory buffer ignoring a
+successor. For additional details, look at
+:file:`Pipeline.hh`.
+
+``QPDF`` can read raw or filtered streams. When reading a filtered
+stream, the ``QPDF`` class creates a ``Pipeline`` object for one of each
+appropriate filter object and chains them together. The last filter
+should write to whatever type of output is required. The ``QPDF`` class
+has an interface to write raw or filtered stream contents to a given
+pipeline.
+
+.. _object-accessors:
+
+Object Accessor Methods
+-----------------------
+
+..
+  This section is referenced in QPDFObjectHandle.hh
+
+For general information about how to access instances of
+``QPDFObjectHandle``, please see the comments in
+:file:`QPDFObjectHandle.hh`. Search for "Accessor
+methods". This section provides a more in-depth discussion of the
+behavior and the rationale for the behavior.
+
+*Why were type errors made into warnings?* When type checks were
+introduced into qpdf in the early days, it was expected that type errors
+would only occur as a result of programmer error. However, in practice,
+type errors would occur with malformed PDF files because of assumptions
+made in code, including code within the qpdf library and code written by
+library users. The most common case would be chaining calls to
+``getKey()`` to access keys deep within a dictionary. In many cases,
+qpdf would be able to recover from these situations, but the old
+behavior often resulted in crashes rather than graceful recovery. For
+this reason, the errors were changed to warnings.
+
+*Why even warn about type errors when the user can't usually do anything
+about them?* Type warnings are extremely valuable during development.
+Since it's impossible to catch at compile time things like typos in
+dictionary key names or logic errors around what the structure of a PDF
+file might be, the presence of type warnings can save lots of developer
+time. They have also proven useful in exposing issues in qpdf itself
+that would have otherwise gone undetected.
+
+*Can there be a type-safe* ``QPDFObjectHandle``? At the time of the
+release of qpdf 11, there is active work being done toward the goal of
+creating a way to work with PDF objects that is more type-safe and
+closer in feel to the current C++ standard library. It is hoped that
+this work will make it easier to write bindings to qpdf in modern
+languages like `Rust <https://www.rust-lang.org/>`__. If this happens,
+it will likely be by providing an alternative to ``QPDFObjectHandle``
+that provides a separate path to the underlying object. Details are
+still being worked out. Fundamentally, PDF objects are not strongly
+typed. They are similar to ``JSON`` objects or to objects in dynamic
+languages like `Python <https://python.org/>`__: there are certain
+things you can only do to objects of a given type, but you can replace
+an object of one type with an object of another. Because of this,
+there will always be some checks that will happen at runtime.
+
+*Why does the behavior of a type exception differ between the C and C++
+API?* There is no way to throw and catch exceptions in C short of
+something like ``setjmp`` and ``longjmp``, and that approach is not
+portable across language barriers. Since the C API is often used from
+other languages, it's important to keep things as simple as possible.
+Starting in qpdf 10.5, exceptions that used to crash code using the C
+API will be written to stderr by default, and it is possible to register
+an error handler. There's no reason that the error handler can't
+simulate exception handling in some way, such as by using ``setjmp`` and
+``longjmp`` or by setting some variable that can be checked after
+library calls are made. In retrospect, it might have been better if the
+C API object handle methods returned error codes like the other methods
+and set return values in passed-in pointers, but this would complicate
+both the implementation and the use of the library for a case that is
+actually quite rare and largely avoidable.
+
+*How can I avoid type warnings altogether?* For each
+``getSomethingValue`` accessor that returns a value of the requested
+type and issues a warning for objects of the wrong type, there is also
+a ``getValueAsSomething`` method (since qpdf 10.6) that returns false
+for objects of the wrong type and otherwise returns true and
+initializes a reference. These methods never generate type warnings
+and provide an alternative to explicitly checking the type of an
+object before calling an accessor method.
+
+.. _smart-pointers:
+
+Smart Pointers
+--------------
+
+This section describes changes to the use of smart pointers that were
+made in qpdf 10.6.0 and 11.0.0.
+
+In qpdf 11.0.0, ``PointerHolder`` was replaced with
+``std::shared_ptr`` in qpdf's public API. A backward-compatible
+``PointerHolder`` class has been provided that makes it possible for
+most code to remain unchanged. ``PointerHolder`` may eventually be
+removed from qpdf entirely, but this will not happen for a while to
+make it easier for people who need to support multiple versions of
+qpdf.
+
+In 10.6.0, some enhancements were made to ``PointerHolder`` to ease
+the transition. These intermediate steps are relevant only for
+versions 10.6.0 through 10.6.3 but can still help with incremental
+modification of code.
+
+The ``POINTERHOLDER_TRANSITION`` preprocessor symbol was introduced in
+qpdf 10.6.0 to help people transition from ``PointerHolder`` to
+``std::shared_ptr``. If you don't define this, you will get a compiler
+warning. Defining it to any value will suppress the warning. An
+explanation appears below of the different possible values for this
+symbol and what they mean.
+
+Starting in qpdf 11.0.0, including ``<qpdf/PointerHolder.hh>`` defines
+the symbol ``POINTERHOLDER_IS_SHARED_POINTER``. This can be used with
+conditional compilation to make it possible to support different
+versions of qpdf.
+
+The rest of this section provides the details.
+
+Transitional Enhancements to PointerHolder
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+In qpdf 10.6.0, some changes were to ``PointerHolder`` to make it
+easier to prepare for the transition to ``std::shared_ptr``. These
+enhancements also make it easier to incrementally upgrade your code.
+The following changes were made to ``PointerHolder`` to make its
+behavior closer to that of ``std::shared_ptr``:
+
+- ``get()`` was added as an alternative to ``getPointer()``
+
+- ``use_count()`` was added as an alternative to ``getRefcount()``
+
+- A new global helper function ``make_pointer_holder`` behaves
+  similarly to ``std::make_shared``, so you can use
+  ``make_pointer_holder<T>(args...)`` to create a ``PointerHolder<T>``
+  with ``new T(args...)`` as the pointer.
+
+- A new global helper function ``make_array_pointer_holder`` takes a
+  size and creates a ``PointerHolder`` to an array. It is a
+  counterpart to the newly added ``QUtil::make_shared_array`` method,
+  which does the same thing with a ``std::shared_ptr``.
+
+``PointerHolder`` had a long-standing bug: a ``const
+PointerHolder<T>`` would only provide a ``T const*`` with its
+``getPointer`` method. This is incorrect and is not how standard
+library C++ smart pointers or regular pointers behave. The correct
+semantics would be that a ``const PointerHolder<T>`` would not accept
+a new pointer after being created (``PointerHolder`` has always
+behaved correctly in this way) but would still allow you to modify the
+item being pointed to. If you don't want to mutate the thing it points
+to, use ``PointerHolder<T const>`` instead. The new ``get()`` method
+behaves correctly. It is therefore not exactly the same as
+``getPointer()``, but it does behave the way ``get()`` behaves with
+``std::shared_ptr``. This shouldn't make any difference to any
+correctly written code.
+
+Differences between ``PointerHolder`` and ``std::shared_ptr``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Here is a list of things you need to think about when migrating from
+``PointerHolder`` to ``std::shared_ptr``. After the list, we will
+discuss how to address each one using the ``POINTERHOLDER_TRANSITION``
+preprocessor symbol or other C++ coding techniques.
+
+- ``PointerHolder<T>`` has an *implicit* constructor that takes a
+  ``T*``, which means you can assign a ``T*`` directly to a
+  ``PointerHolder<T>`` or pass a ``T*`` to a function that expects a
+  ``PointerHolder<T>`` as a parameter. ``std::shared_ptr<T>`` does not
+  have this behavior, though you can still assign ``nullptr`` to a
+  ``std::shared_ptr<T>`` and compare ``nullptr`` with a
+  ``std::shared_ptr<T>``. Here are some examples of how you might need
+  to change your code:
+
+  Old code:
+   .. code-block:: c++
+
+      PointerHolder<X> x_p;
+      X* x = new X();
+      x_p = x;
+
+  New code:
+   .. code-block:: c++
+
+      auto x_p = std::make_shared<X>();
+      X* x = x_p.get();
+      // or, less safe, but closer:
+      std::shared_ptr<X> x_p;
+      X* x = new X();
+      x_p = std::shared_ptr<X>(x);
+
+  Old code:
+   .. code-block:: c++
+
+      PointerHolder<Base> base_p;
+      Derived* derived = new Derived();
+      base_p = derived;
+
+  New code:
+   .. code-block:: c++
+
+      std::shared_ptr<Base> base_p;
+      Derived* derived = new Derived();
+      base_p = std::shared_ptr<Base>(derived);
+
+- ``PointerHolder<T>`` has ``getPointer()`` to get the underlying
+  pointer. It also has the seldom-used ``getRefcount()`` method to get
+  the reference count. ``std::shared_ptr<T>`` has ``get()`` and
+  ``use_count()``. In qpdf 10.6, ``PointerHolder<T>`` also has
+  ``get()`` and ``use_count()``.
+
+Addressing the Differences
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If you are not ready to take action yet, you can ``#define
+POINTERHOLDER_TRANSITION 0`` before including any qpdf header file or
+add the definition of that symbol to your build. This will provide the
+backward-compatible ``PointerHolder`` API without any deprecation
+warnings. This should be a temporary measure as ``PointerHolder`` may
+disappear in the future. If you need to be able to support newer and
+older versions of qpdf, there are other options, explained below.
+
+Note that, even with ``0``, you should rebuild and test your code.
+There may be compiler errors if you have containers of
+``PointerHolder``, but most code should compile without any changes.
+There are no uses of containers of ``PointerHolder`` in qpdf's API.
+
+There are two significant things you can do to minimize the impact of
+switching from ``PointerHolder`` to ``std::shared_ptr``:
+
+- Use ``auto`` and ``decltype`` whenever possible when working with
+  ``PointerHolder`` variables that are exchanged with the qpdf API.
+
+- Use the ``POINTERHOLDER_TRANSITION`` preprocessor symbol to identify
+  and resolve the differences described above.
+
+To use ``POINTERHOLDER_TRANSITION``, you will need to ``#define`` it
+before including any qpdf header files or specify its value as part of
+your build. The table below describes the values of
+``POINTERHOLDER_TRANSITION``. This information is also summarized in
+:file:`include/qpdf/PointerHolder.hh`, so you will have it handy
+without consulting this manual.
+
+.. list-table:: POINTERHOLDER_TRANSITION values
+   :widths: 5 80
+   :header-rows: 1
+
+   - - value
+     - meaning
+
+   - - undefined
+     - Same as ``0`` but issues a warning
+
+   - - ``0``
+     - Provide a backward compatible ``PointerHolder`` and suppress
+       all deprecation warnings; supports all prior qpdf versions
+
+   - - ``1``
+     - Make the ``PointerHolder<T>(T*)`` constructor explicit;
+       resulting code supports all prior qpdf versions
+
+   - - ``2``
+     - Deprecate ``getPointer()`` and ``getRefcount()``; requires
+       qpdf 10.6.0 or later.
+
+   - - ``3``
+     - Deprecate all uses of ``PointerHolder``; requires qpdf 11.0.0
+       or later
+
+   - - ``4``
+     - Disable all functionality from ``qpdf/PointerHolder.hh`` so
+       that ``#include``-ing it has no effect other than defining
+       ``POINTERHOLDER_IS_SHARED_POINTER``; requires qpdf 11.0.0 or
+       later.
+
+Based on the above, here is a procedure for preparing your code. This
+is the procedure that was used for the qpdf code itself.
+
+You can do these steps without breaking support for qpdf versions
+before 10.6.0:
+
+- Find all occurrences of ``PointerHolder`` in the code. See whether
+  any of them can just be outright replaced with ``std::shared_ptr``
+  or ``std::unique_ptr``. If you have been using qpdf prior to
+  adopting C++11 and were using ``PointerHolder`` as a general-purpose
+  smart pointer, you may have cases that can be replaced in this way.
+
+  For example:
+
+  - Simple ``PointerHolder<T>`` construction can be replaced with
+    either the equivalent ``std::shared_ptr<T>`` construction or, if
+    the constructor is public, with ``std::make_shared<T>(args...)``.
+    If you are creating a smart pointer that is never copied, you may
+    be able to use ``std::unique_ptr<T>`` instead.
+
+  - Array allocations will have to be rewritten.
+
+    Allocating a ``PointerHolder`` to an array looked like this:
+
+    .. code-block:: c++
+
+       PointerHolder<X> p(true, new Xn);
+
+    To allocate a ``std::shared_ptr`` to an array:
+
+    .. code-block:: c++
+
+       auto p = std::shared_ptr<X>(new Xn, std::default_delete<X>());
+       // If you don't mind using QUtil, there's QUtil::make_shared_array<X>(n).
+       // If you are using c++20, you can use std::make_shared<X>(n)
+       // to get a std::shared_ptr<X> instead of a std::shared_ptr<X>.
+
+    To allocate a ``std::unique_ptr`` to an array:
+
+    .. code-block:: c++
+
+       auto p = std::make_unique<X>(n);
+       // or, if X has a private constructor:
+       auto p = std::unique_ptr<X>(new Xn);
+
+- If a ``PointerHolder<T>`` can't be replaced with a standard library
+  smart pointer because it is used with an older qpdf API call,
+  perhaps it can be declared using ``auto`` or ``decltype`` so that,
+  when building with a newer qpdf API changes, your code will just
+  need to be recompiled.
+
+- ``#define POINTERHOLDER_TRANSITION 1`` to enable deprecation
+  warnings for all implicit constructions of ``PointerHolder<T>`` from
+  a plain ``T*``. When you find one, explicitly construct the
+  ``PointerHolder<T>``.
+
+  - Old code:
+
+    .. code-block:: c++
+
+       PointerHolder<X> x = new X();
+
+  - New code:
+
+    .. code-block:: c++
+
+       auto x = PointerHolder<X>(new X(...)); // all versions of qpdf
+       // or, if X(...) is public:
+       auto x = make_pointer_holder<X>(...); // only 10.6 and above
+
+    Other examples appear above.
+
+If you need to support older versions of qpdf than 10.6, this is as
+far as you can go without conditional compilation.
+
+Starting in qpdf 11.0.0, including ``<qpdf/PointerHolder.hh>`` defines
+the symbol ``POINTERHOLDER_IS_SHARED_POINTER``. If you want to support
+older versions of qpdf and still transition so that the
+backward-compatible ``PointerHolder`` is not in use, you can separate
+old code and new code by testing with the
+``POINTERHOLDER_IS_SHARED_POINTER`` preprocessor symbol, as in
+
+.. code-block:: c++
+
+   #include <qpdf/PointerHolder.hh>
+   #ifdef POINTERHOLDER_IS_SHARED_POINTER
+   std::shared_ptr<X> x;
+   #else
+   PointerHolder<X> x;
+   #endif // POINTERHOLDER_IS_SHARED_POINTER
+   x = decltype(x)(new X())
+
+or
+
+.. code-block:: c++
+
+   #include <qpdf/PointerHolder.hh>
+   #ifdef POINTERHOLDER_IS_SHARED_POINTER
+   auto x_p = std::make_shared<X>();
+   X* x = x_p.get();
+   #else
+   auto x_p = PointerHolder<X>(new X());
+   X* x = x_p.getPointer();
+   #endif // POINTERHOLDER_IS_SHARED_POINTER
+   x_p->doSomething();
+   x->doSomethingElse();
+
+If you don't need to support older versions of qpdf, you can proceed
+with these steps without protecting changes with the preprocessor
+symbol. Here are the remaining changes.
+
+- ``#define POINTERHOLDER_TRANSITION 2`` to enable deprecation of
+  ``getPointer()`` and ``getRefcount()``
+
+- Replace ``getPointer()`` with ``get()`` and ``getRefcount()`` with
+  ``use_count()``. These methods were not present prior to 10.6.0.
+
+When you have gotten your code to compile cleanly with
+``POINTERHOLDER_TRANSITION=2``, you are well on your way to being
+ready for eliminating ``PointerHolder`` entirely. The code at this
+point will not work with any qpdf version prior to 10.6.0.
+
+To support qpdf 11.0.0 and newer and remove ``PointerHolder`` from
+your code, continue with the following steps:
+
+- Replace all occurrences of ``PointerHolder`` with
+  ``std::shared_ptr`` except in the literal statement ``#include
+  <qpdf/PointerHolder.hh>``
+
+- Replace all occurrences of ``make_pointer_holder`` with
+  ``std::make_shared``
+
+- Replace all occurrences of ``make_array_pointer_holder`` with
+  ``QUtil::make_shared_array``. You will need to include
+  ``<qpdf/QUtil.hh>`` if you haven't already done so.
+
+- Make sure ``<memory>`` is included wherever you were including
+  ``<qpdf/PointerHolder.hh>``.
+
+- If you were using any array ``PointerHolder<T>`` objects, replace
+  them as above. You can let the compiler find these for you.
+
+- ``#define POINTERHOLDER_TRANSITION 3`` to enable deprecation of
+  all ``PointerHolder<T>`` construction.
+
+- Build and test. Fix any remaining issues.
+
+- If not supporting older versions of qpdf, remove all references to
+  ``<qpdf/PointerHolder.hh>``. Otherwise, you will still need to
+  include it but can ``#define POINTERHOLDER_TRANSITION 4`` to prevent
+  ``PointerHolder`` from being defined. The
+  ``POINTERHOLDER_IS_SHARED_POINTER`` symbol will still be defined.
+
+Historical Background
+~~~~~~~~~~~~~~~~~~~~~
+
+Since its inception, the qpdf library used its own smart pointer
+class, ``PointerHolder``. The ``PointerHolder`` class was originally
+created long before ``std::shared_ptr`` existed, and qpdf itself
+didn't start requiring a C++11 compiler until version 9.1.0 released in
+late 2019. With current C++ versions, it is no longer desirable for qpdf
+to have its own smart pointer class.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/download.rst Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/encryption.rst Added

@@ -0,0 +1,406 @@
+.. _pdf-encryption:
+
+PDF Encryption
+==============
+
+This chapter discusses PDF encryption in a general way with an angle
+toward how it works in :command:`qpdf`. This chapter is not intended
+to replace the PDF specification. Please consult the spec for full
+details.
+
+PDF Encryption Concepts
+-----------------------
+
+Encryption
+  Encryption is the replacement of *clear text* with encrypted text,
+  also known as *ciphertext*. The clear text may be retrieved from the
+  ciphertext if the encryption key is known.
+
+  PDF files consist of an object structure. PDF objects may be of a
+  variety of types including (among others) numbers, boolean values,
+  names, arrays, dictionaries, strings, and streams. In a PDF file,
+  only strings and streams are encrypted.
+
+Security Handler
+  Since the inception of PDF, there have been several modifications to
+  the way files are encrypted. Encryption is handled by a *security
+  handler*. The *standard security handler* is password-based. This is
+  the only security handler implemented by qpdf, and this material is
+  all focused on the standard security handler. There are various
+  flags that control the specific details of encryption with the
+  standard security handler. These are discussed below.
+
+Encryption Key
+  This refers to the actual key used by the encryption and decryption
+  algorithms. It is distinct from the password. The main encryption
+  key is generated at random and stored encrypted in the PDF file. The
+  passwords used to protect a PDF file, if any, are used to protect
+  the encryption key. This design makes it possible to use different
+  passwords (e.g., user and owner passwords) to retrieve the
+  encryption key or even to change the password on a file without
+  changing the encryption key. qpdf can expose the encryption key when
+  run with the :qpdf:ref:`--show-encryption-key` option and can accept
+  a hex-encoded encryption key in place of a password when run with
+  the :qpdf:ref:`--password-is-hex-key` option.
+
+Password Protection
+  Password protection is distinct from encryption. This point is often
+  misunderstood. A PDF file can be encrypted without being
+  password-protected. The intent of PDF encryption was that there
+  would be two passwords: a *user password* and an *owner password*.
+  Either password can be used to retrieve the encryption key. A
+  conforming reader is supposed to obey the security restrictions
+  if the file is opened using the user password but not if the file is
+  opened with the owner password. :command:`qpdf` makes no distinction
+  between which password is used to open the file. The distinction
+  made by conforming readers between the user and owner password is
+  what makes it common to create encrypted files with no password
+  protection. This is done by using the empty string as the user
+  password and some secret string as the owner password. When a user
+  opens the PDF file, the empty string is used to retrieve the
+  encryption key, making the file usable, but a conforming reader
+  restricts certain operations from the user.
+
+What does all this mean? Here are a few things to realize.
+
+- Since the user password and the owner password are both used to
+  recover the single encryption key, there is *fundamentally no way*
+  to prevent an application from disregarding the security
+  restrictions on a file. Any software that can read the encrypted
+  file at all has the encryption key. Therefore, the security of the
+  restrictions placed on PDF files is solely enforced by the software.
+  Any open source PDF reader could be trivially modified to ignore the
+  security restrictions on a file. The PDF specification is clear
+  about this point. This means that PDF restrictions on
+  non-password-protected files only restrict users who don't know how
+  to circumvent them.
+
+- If a file is password-protected, you have to know at least one of
+  the user or owner password to retrieve the encryption key. However,
+  in the case of 40-bit encryption, the actual encryption key is only
+  5 bytes long and can be easily brute-forced. As such, files
+  encrypted with 40-bit encryption are not secure regardless of how
+  strong the password is. With 128-bit encryption, the default
+  security handler uses RC4 encryption, which is also known to be
+  insecure. As such, the only way to securely encrypt a PDF file using
+  the standard security handler (as of the last review of this chapter
+  in 2022) is to use AES encryption. This is the only supported
+  algorithm with 256-bit encryption, and it can be selected to be used
+  with 128-bit encryption as well. However there is no reason to use
+  128-bit encryption with AES. If you are going to use AES, just use
+  256-bit encryption instead. The security of a 256-bit AES-encrypted
+  PDF file with a strong password is comparable to using a
+  general-purpose encryption tool like :command:`gpg` or
+  :command:`openssl` to encrypt the PDF file with the same password,
+  but the advantage of using PDF encryption is that no software is
+  required beyond a regular PDF viewer.
+
+PDF Encryption Details
+----------------------
+
+This section describes a few details about PDF encryption. It does not
+describe all the details. For that, read the PDF specification. The
+details presented here, however, should go a long way toward helping a
+casual user/developer understand what's going on with encrypted PDF
+files.
+
+Here are more concepts to understand.
+
+Algorithm parameters ``V`` and ``R``
+  There are two parameters that control the details of encryption
+  using the standard security handler: ``V`` and ``R``.
+
+  ``V`` is a code specifying the algorithms that are used for
+  encrypting the file, handling keys, etc. It may have any of the
+  following values:
+
+  .. list-table:: Encryption Algorithms: ``V``
+     :widths: 10 80
+     :header-rows: 1
+
+     - - V
+       - Meaning
+
+     - - 1
+       - The original algorithm, which encrypted files using 40-bit keys.
+
+     - - 2
+       - An extension of the original algorithm allowing longer keys.
+         Introduced in PDF 1.4.
+
+     - - 3
+       - An unpublished algorithm that permits file encryption key
+         lengths ranging from 40 to 128 bits. Introduced in PDF 1.4.
+         qpdf is believed to be able to read files with ``V`` = 3 but
+         does not write such files.
+
+     - - 4
+       - An extension of the algorithm that allows it to be
+         parameterized by additional rules for handling strings and
+         streams. Introduced in PDF 1.5.
+
+     - - 5
+       - An algorithm that allows specification of separate security
+         handlers for strings and streams as well as embedded files,
+         and which supports 256-bit keys. Introduced in PDF 1.7
+         extension level 3 and later extended in extension level 8.
+         This is the encryption system in the PDF 2.0 specification,
+         ISO-32000.
+
+  ``R`` is a code specifying the revision of the standard handler. It
+  is tightly coupled with the value of ``V``. ``R`` may have any of
+  the following values:
+
+  .. list-table:: Relationship between ``R`` and ``V``
+     :widths: 10 80
+     :header-rows: 1
+
+     - - R
+       - Expected V
+
+     - - 2
+       - ``V`` must be 1
+
+     - - 3
+       - ``V`` must be 2 or 3
+
+     - - 4
+       - ``V`` must be 4
+
+     - - 5
+       - ``V`` must be 5; this extension was never fully specified and
+         existed for a short time in some versions of Acrobat.
+         :command:`qpdf` is able to read and write this format, but it
+         should not be used for any purpose other than testing
+         compatibility with the format.
+
+     - - 6
+       - ``V`` must be 5. This is the only value that is not
+         deprecated in the PDF 2.0 specification, ISO-32000.
+
+Encryption Dictionary
+  Encrypted PDF files have an encryption dictionary. There are several
+  fields, but these are the important ones for our purposes:
+
+  - ``V`` and ``R`` as described above
+
+  - ``O``, ``U``, ``OE``, ``UE``: values used by the algorithms that
+    recover the encryption key from the user and owner password. Which
+    of these are defined and how they are used vary based on the value
+    of ``R``.
+
+  - ``P``: a bit field that describes which restrictions are in place.
+    This is discussed below in :ref:`security-restrictions`
+
+Encryption Algorithms
+  PDF files may be encrypted with the obsolete, insecure RC4 algorithm
+  or the more secure AES algorithm. See also :ref:`weak-crypto` for a
+  discussion. 40-bit encryption always uses RC4. 128-bit can use
+  either RC4 (the default for compatibility reasons) or, starting with
+  PDF 1.6, AES. 256-bit encryption always uses AES.
+
+.. _security-restrictions:
+
+PDF Security Restrictions
+-------------------------
+
+PDF security restrictions are described by a bit field whose value is
+stored in the ``P`` field in the encryption dictionary. The value of
+``P`` is used by the algorithms to recover the encryption key given
+the password, which makes the value of ``P`` tamper-resistent.
+
+``P`` is a 32-bit integer, treated as a signed twos-complement number.
+A 1 in any bit position means the permission is granted. The PDF
+specification numbers the bits from 1 (least significant bit) to 32
+(most significant bit) rather than the more customary 0 to 31. For
+consistency with the spec, the remainder of this section uses the
+1-based numbering.
+
+Only bits 3, 4, 5, 6, 9, 10, 11, and 12 are used. All other bits are
+set to 1. Since bit 32 is always set to 1, the value of ``P`` is
+always a negative number. (:command:`qpdf` recognizes a positive
+number on behalf of buggy writers that treat ``P`` as unsigned. Such
+files have been seen in the wild.)
+
+Here are the meanings of the bit positions. All bits not listed must
+have the value 1 except bits 1 and 2, which must have the value 0.
+However, the values of bits other than those in the table are ignored,
+so having incorrect values probably doesn't break anything in most
+cases. A value of 1 indicates that the permission is granted.
+
+.. list-table:: ``P`` Bit Values
+   :widths: 10 80
+   :header-rows: 1
+
+   - - Bit
+     - Meaning
+
+   - - 3
+     - for ``R`` = 2 printing; for ``R`` ≥ 3, printing at low
+       resolution
+
+   - - 4
+     - modifying the document except as controlled by bits 6,
+       9, and 11
+
+   - - 5
+     - extracting text and graphics for purposes other than
+       accessibility to visually impaired users
+
+   - - 6
+     - add or modify annotations, fill in interactive form fields;
+       if bit 4 is also set, create or modify interactive form fields
+
+   - - 9
+     - for ``R`` ≥ 3, fill in interactive form fields even if bit 6 is
+       clear
+
+   - - 10
+     - not used; formerly granted permission to extract material for
+       accessibility, but the specification now disallows restriction of
+       accessibility, and conforming readers are to treat this bit as if
+       it is set regardless of its value
+
+   - - 11
+     - for ``R`` ≥ 3, assemble document including inserting, rotating,
+       or deleting pages or creating document outlines or thumbnail
+       images
+
+   - - 12
+     - for ``R`` ≥ 3, allow printing at full resolution
+
+.. _qpdf-P:
+
+How qpdf handles security restrictions
+--------------------------------------
+
+The section describes exactly what the qpdf library does with regard
+to ``P`` based on the various settings of different security options.
+
+- Start with all bits set except bits 1 and 2, which are cleared
+
+- Clear bits and described in the table below:
+
+  .. list-table:: Command-line Arguments and ``P`` Bit Values
+     :widths: 20 25 45
+     :header-rows: 1
+
+     - - R
+       - Argument
+       - Bits Cleared
+
+     - - R = 2
+       - ``--print=n``
+       - 3
+
+     - - R = 2
+       - ``--modify=n``
+       - 4
+
+     - - R = 2
+       - ``--extract=n``
+       - 5
+
+     - - R = 2
+       - ``--annotate=n``
+       - 6
+
+     - - R = 3
+       - ``--accessibility=n``
+       - 10
+
+     - - R ≥ 4
+       - ``--accessibility=n``
+       - ignored
+
+     - - R ≥ 3
+       - ``--extract=n``
+       - 5
+
+     - - R ≥ 3
+       - ``--print=none``
+       - 3, 12
+
+     - - R ≥ 3
+       - ``--print=low``
+       - 12
+
+     - - R ≥ 3
+       - ``--modify=none``
+       - 4, 6, 9, 11
+
+     - - R ≥ 3
+       - ``--modify=assembly``
+       - 4, 6, 9
+
+     - - R ≥ 3
+       - ``--modify=form``
+       - 4, 6
+
+     - - R ≥ 3
+       - ``--modify=annotate``
+       - 4
+
+     - - R ≥ 3
+       - ``--assemble=n``
+       - 11
+
+     - - R ≥ 3
+       - ``--annotate=n``
+       - 6
+
+     - - R ≥ 3
+       - ``--form=n``
+       - 9
+
+     - - R ≥ 3
+       - ``--modify-other=n``
+       - 4
+
+Options to :command:`qpdf`, both at the CLI and library level, allow
+more granular clearing of permission bits than do most tools,
+including Adobe Acrobat. As such, PDF viewers may respond in
+surprising ways based on options passed to qpdf. If you observe this,
+it is probably not because of a bug in qpdf.
+
+.. _pdf-passwords:
+
+User and Owner Passwords
+------------------------
+
+When you use qpdf to show encryption parameters and you open a file
+with the owner password, sometimes qpdf reveals the user password, and
+sometimes it doesn't. Here's why.
+
+For ``V`` < 5, the user password is actually stored in the PDF file
+encrypted with a key that is derived from the owner password, and the
+main encryption key is encrypted using a key derived from the user
+password. When you open a PDF file, the reader first tries to treat
+the given password as the user password, using it to recover the
+encryption key. If that works, you're in with restrictions (assuming
+the reader chooses to enforce them). If it doesn't work, then the
+reader treats the password as the owner password, using it to recover
+the user password, and then uses the user password to retrieve the
+encryption key. This is why creating a file with the same user
+password and owner password with ``V`` < 5 results in a file that some
+readers will never allow you to open as the owner. When an empty owner
+password is given at file creation, the user password is used as both
+the user and owner password. Typically when a reader encounters a file
+with ``V`` < 5, it will first attempt to treat the empty string as a
+user password. If that works, the file is encrypted but not
+password-protected. If it doesn't work, then a password prompt is
+given.
+
+For ``V`` ≥ 5, the main encryption key is independently encrypted
+using the user password and the owner password. There is no way to
+recover the user password from the owner password. Restrictions are
+imposed or not depending on which password was used. In this case, the
+password supplied, if any, is tried both as the user password and the
+owner password, and whichever works is used. Typically the password is
+tried as the owner password first. (This is what the PDF specification
+says to do.) As such, specifying a user password and leaving the owner
+password blank results in a file that is opened as owner with no
+password, effectively rendering the security restrictions useless.
+This is why :command:`qpdf` requires you to pass
+:qpdf:ref:`--allow-insecure` to create a file with an empty owner
+password when 256-bit encryption is in use.

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/fix-qdf.1.in -> _service:tar_scm:qpdf-11.1.0.tar.gz/manual/fix-qdf.1.in Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/index.rst Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/installation.rst Added

@@ -0,0 +1,766 @@
+.. _installing:
+
+Building and Installing QPDF
+============================
+
+This chapter describes how to build and install qpdf.
+
+.. _prerequisites:
+
+Dependencies
+------------
+
+qpdf has few external dependencies. This section describes what you
+need to build qpdf in various circumstances.
+
+Basic Dependencies
+~~~~~~~~~~~~~~~~~~
+
+- A C++ compiler that supports C++-14
+
+- `CMake <https://www.cmake.org>`__ version 3.16 or later
+
+- `zlib <https://www.zlib.net/>`__ or a compatible zlib implementation
+
+- A libjpeg-compatible library such as `jpeg <https://ijg.org/>`__ or
+  `libjpeg-turbo <https://libjpeg-turbo.org/>`__
+
+- *Recommended but not required:* `gnutls <https://www.gnutls.org/>`__
+  to be able to use the gnutls crypto provider and/or `openssl
+  <https://openssl.org/>`__ to be able to use the openssl crypto
+  provider
+
+The qpdf source tree includes a few automatically generated files. The
+code generator uses Python 3. Automatic code generation is off by
+default. For a discussion, refer to :ref:`build-options`.
+
+Test Dependencies
+~~~~~~~~~~~~~~~~~
+
+qpdf's test suite is run by ``ctest``, which is part of CMake, but
+the tests themselves are implemented using an embedded copy of `qtest
+<https://qtest.sourceforge.io>`__, which is implemented in perl. On
+Windows, MSYS2's perl is known to work.
+
+qtest requires `GNU diffutils
+<http://www.gnu.org/software/diffutils/>`__ or any other diff that
+supports :command:`diff -u`. The default ``diff`` command works on
+GNU/Linux and MacOS.
+
+Part of qpdf's test suite does comparisons of the contents PDF files
+by converting them to images and comparing the images. The image
+comparison tests are disabled by default. Those tests are not required
+for determining correctness of a qpdf build since the test suite also
+contains expected output files that are compared literally. The image
+comparison tests provide an extra check to make sure that any content
+transformations don't break the rendering of pages. Transformations
+that affect the content streams themselves are off by default and are
+only provided to help developers look into the contents of PDF files.
+If you are making deep changes to the library that cause changes in
+the contents of the files that qpdf generates, then you should enable
+the image comparison tests. Enable them by setting the
+``QPDF_TEST_COMPARE_IMAGES`` environment variable to ``1`` before
+running tests. Image comparison tests add these additional
+requirements:
+
+- `libtiff <http://www.simplesystems.org/libtiff/>`__ command-line
+  utilities
+
+- `GhostScript <https://www.ghostscript.com/>`__ version 8.60 or newer
+
+Note: prior to qpdf 11, image comparison tests were enabled within
+:file:`qpdf.test`, and you had to *disable* them by setting
+``QPDF_SKIP_TEST_COMPARE_IMAGES`` to ``1``. This was done
+automatically by ``./configure``. Now you have to *enable* image
+comparison tests by setting an environment variable. This change was
+made because developers have to set the environment variable
+themselves now rather than setting it through the build. Either way,
+they are off by default.
+
+Additional Requirements on Windows
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- To build qpdf with Visual Studio, there are no additional
+  requirements when the default cmake options are used. You can build
+  qpdf from a Visual C++ command-line shell.
+
+- To build with mingw, MSYS2 is recommended with the mingw32 and/or
+  mingw64 tool chains. You can also build with MSVC from an MSYS2
+  environment.
+
+- qpdf's test suite can run within the MSYS2 environment for both
+  mingw and MSVC-based builds.
+
+For additional notes, see :file:`README-windows.md` in the source
+distribution.
+
+Requirements for Building Documentation
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The qpdf manual is written in reStructured Text and built with `Sphinx
+<https://www.sphinx-doc.org>`__ using the `Read the Docs Sphinx Theme
+<https://sphinx-rtd-theme.readthedocs.io>`__. Versions of sphinx prior
+to version 4.3.2 probably won't work. Sphinx requires Python 3. In
+order to build the HTML documentation from source, you need to install
+sphinx and the theme, which you can typically do with ``pip install
+sphinx sphinx_rtd_theme``. To build the PDF version of the
+documentation, you need ``pdflatex``, ``latexmk``, and a fairly
+complete LaTeX installation. Detailed requirements can be found in the
+Sphinx documentation. To see how the documentation is built for the
+qpdf distribution, refer to the :file:`build-scripts/build-doc` file
+in the qpdf source distribution.
+
+.. _building:
+
+Build Instructions
+------------------
+
+Starting with qpdf 11, qpdf is built with `CMake
+<https://www.cmake.org>`__.
+
+Basic Build Invocation
+~~~~~~~~~~~~~~~~~~~~~~
+
+qpdf uses cmake in an ordinary way, so refer to the CMake
+documentation for details about how to run ``cmake``. Here is a
+brief summary.
+
+You can usually just run
+
+::
+
+   cmake -S . -B build
+   cmake --build build
+
+If you are using a multi-configuration generator such as MSVC, you
+should pass ``--config <Config>`` (where ``<Config>`` is ``Release``,
+``Debug``, ``RelWithDebInfo``, or ``MinSizeRel`` as discussed in the
+CMake documentation) to the *build* command. If you are running a
+single configuration generator such as the default Makefile generators
+in Linux or MSYS, you may want to pass ``-DCMAKE_BUILD_TYPE=<Config>``
+to the original ``cmake`` command.
+
+Run ``ctest`` to run the test suite. Since the real tests are
+implemented with `qtest <https://qtest.sourceforge.io/>`__, you will
+want to pass ``--verbose`` to ``cmake`` so you can see the individual
+test outputs. Otherwise, you will see a small number of ``ctest``
+commands that take a very long to run. If you want to run only a
+specific test file in a specific test suite, you can set the ``TESTS``
+environment variable (used by ``qtest-driver``) and pass the ``-R``
+parameter to ``ctest``. For example:
+
+::
+
+   TESTS=qutil ctest --verbose -R libtests
+
+would run only ``qutil.test`` from the ``libtests`` test suite.
+
+
+.. _installation:
+
+Installation and Packaging
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Installation can be performed using ``cmake --install`` or ``cpack``.
+For most normal use cases, ``cmake --install`` or ``cpack`` can be run
+in the normal way as described in CMake documentation. qpdf follows
+all normal installation conventions and uses CMake-defined variables
+for standard behavior.
+
+There are several components that can be installed separately:
+
+.. list-table:: Installation Components
+   :widths: 5 80
+   :header-rows: 0
+
+   - - cli
+     - Command-line tools
+
+   - - lib
+     - The runtime libraries; required if you built with shared
+       libraries
+
+   - - dev
+     - Static libraries, header files, and other files needed by
+       developers
+
+   - - doc
+     - Documentation and, if selected for installation, the manual
+
+   - - examples
+     - Example source files
+
+Note that the ``lib`` component installs only runtime libraries, not
+header files or other files/links needed to build against qpdf. For
+that, you need ``dev``. If you are using shared libraries, the ``dev``
+will install files or create symbolic links that depend on files
+installed by ``lib``, so you will need to install both. If you wanted
+to build software against the qpdf library and only wanted to install
+the files you needed for that purpose, here are some examples:
+
+- Install development files with static libraries only:
+
+  ::
+
+     cmake -S . -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_SHARED_LIBS=OFF
+     cmake --build build --parallel --target libqpdf
+     cmake --install build --component dev
+
+- Install development files with shared libraries only:
+
+  ::
+
+     cmake -S . -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_STATIC_LIBS=OFF
+     cmake --build build --parallel --target libqpdf
+     cmake --install build --component lib
+     cmake --install build --component dev
+
+
+- Install development files with shared and static libraries:
+
+  ::
+
+     cmake -S . -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo
+     cmake --build build --parallel --target libqpdf libqpdf_static
+     cmake --install build --component lib
+     cmake --install build --component dev
+
+There are also separate options, discussed in :ref:`build-options`,
+that control how certain specific parts of the software are installed.
+
+.. _build-options:
+
+Build Options
+-------------
+
+.. last verified consistent with build: 2022-03-13. The top-level
+   CMakeLists.txt contains a comment that references this section.
+
+.. cSpell:ignore ccmake
+
+All available build options are defined in the the top-level
+:file:`CMakeLists.txt` file and have help text. You can see them using
+any standard cmake front-end (like ``cmake-gui`` or ``ccmake``). This
+section describes options that apply to most users. If you are trying
+to map autoconf options (from prior to qpdf 11) to cmake options,
+please see :ref:`autoconf-to-cmake`.
+
+If you are packaging qpdf for a distribution, you should also read
+:ref:`packaging`.
+
+Basic Build Options
+~~~~~~~~~~~~~~~~~~~
+
+BUILD_DOC
+  Whether to build documentation with sphinx. You must have the
+  required tools installed.
+
+BUILD_DOC_HTML
+  Visible when BUILD_DOC is selected. This option controls building
+  HTML documentation separately from PDF documentation since
+  the sphinx theme is only needed for the HTML documentation.
+
+BUILD_DOC_PDF
+  Visible when BUILD_DOC is selected. This option controls building
+  PDF documentation separately from HTML documentation since
+  additional tools are required to build the PDF documentation.
+
+BUILD_SHARED_LIBS, BUILD_STATIC_LIBS
+  You can configure whether to build shared libraries, static
+  libraries, or both. You must select at least one of these options.
+  For rapid iteration, select only one as this cuts the build time in
+  half.
+
+  On Windows, if you build with shared libraries, you must have the
+  output directory for libqpdf (e.g. :file:`libqpdf/Release` or
+  :file:`libqpdf` within the build directory) in your path so that the
+  compiled executables can find the DLL. Updating your path is not
+  necessary if you build with static libraries only.
+
+QTEST_COLOR
+  Turn this on or off to control whether qtest uses color in its
+  output.
+
+Options for Working on qpdf
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+CHECK_SIZES
+  The source file :file:`qpdf/sizes.cc` is used to display the sizes
+  of all objects in the public API. Consistency of its output between
+  releases is used as part of the check against accidental breakage of
+  the binary interface (ABI). Turning this on causes a test to be run
+  that ensures an exact match between classes in ``sizes.cc`` and
+  classes in the library's public API. This option requires Python 3.
+
+ENABLE_QTC
+  This is off by default, except in maintainer mode. When off,
+  ``QTC::TC`` calls are compiled out by having ``QTC::TC`` be an empty
+  inline function. The underlying ``QTC::TC`` remains in the library,
+  so it is possible to build and package the qpdf library with
+  ``ENABLE_QTC`` turned off while still allowing developer code to use
+  ``QTC::TC`` if desired. If you are modifying qpdf code, it's a good
+  idea to have this on for more robust automated testing. Otherwise,
+  there's no reason to have it on.
+
+GENERATE_AUTO_JOB
+  Some qpdf source files are automatically generated from
+  :file:`job.yml` and the CLI documentation. If you are adding new
+  command-line arguments to the qpdf CLI or updating
+  :file:`manual/cli.rst` in the qpdf sources, you should turn this on.
+  This option requires Python 3.
+
+WERROR
+  Make any compiler warnings into errors. We want qpdf to compile free
+  of warnings whenever possible, but there's always a chance that a
+  compiler upgrade or tool change may cause warnings to appear that
+  weren't there before. If you are testing qpdf with a new compiler,
+  you should turn this on.
+
+Environment-Specific Options
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+SHOW_FAILED_TEST_OUTPUT
+  Ordinarily, qtest (which drives qpdf's test suite) writes detailed
+  information about its output to the file ``qtest.log`` in the build
+  output directory. If you are running a build in a continuous
+  integration or automated environment where you can't get to those
+  files, you should enable this option and also run ``ctest
+  --verbose`` or ``ctest --output-on-failure``. This will cause
+  detailed test failure output to be written into the build log.
+
+CI_MODE
+  Turning this on sets options used in qpdf's continuous integration
+  environment to ensure we catch as many problems as possible.
+  Specifically, this option enables ``SHOW_FAILED_TEST_OUTPUT`` and
+  ``WERROR`` and forces the native crypto provider to be built.
+
+MAINTAINER_MODE
+  Turning this option on sets options that should be on if you are
+  maintaining qpdf. In turns on the following:
+
+  - ``BUILD_DOC``
+
+  - ``CHECK_SIZES``
+
+  - ``ENABLE_QTC``
+
+  - ``GENERATE_AUTO_JOB``
+
+  - ``WERROR``
+
+  - ``REQUIRE_NATIVE_CRYPTO``
+
+  It is possible to turn ``BUILD_DOC`` off in maintainer mode so that
+  the extra requirements for building documentation don't have to be
+  available.
+
+.. _crypto.build:
+
+Build-time Crypto Selection
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Since version 9.1.0, qpdf can use external crypto providers in
+addition to its native provider. For a general discussion, see
+:ref:`crypto`. This section discusses how to configure which crypto
+providers are compiled into qpdf.
+
+In nearly all cases, external crypto providers should be preferred
+over the native one. However, if you are not concerned about working
+with encrypted files and want to reduce the number of dependencies,
+the native crypto provider is fully supported.
+
+By default, qpdf's build enables every external crypto providers whose
+dependencies are available and only enables the native crypto provider
+if no external providers are available. You can change this behavior
+with the options described here.
+
+USE_IMPLICIT_CRYPTO
+  This is on by default. If turned off, only explicitly selected
+  crypto providers will be built. You must use at least one of the
+  ``REQUIRE`` options below.
+
+ALLOW_CRYPTO_NATIVE
+  This option is only available when USE_IMPLICIT_CRYPTO is selected,
+  in which case it is on by default. Turning it off prevents qpdf from
+  falling back to the native crypto provider when no external provider
+  is available.
+
+REQUIRE_CRYPTO_NATIVE
+  Build the native crypto provider even if other options are
+  available.
+
+REQUIRE_CRYPTO_GNUTLS
+  Require the gnutls crypto provider. Turning this on makes in an
+  error if the gnutls library is not available.
+
+REQUIRE_CRYPTO_OPENSSL
+  Require the openssl crypto provider. Turning this on makes in an
+  error if the openssl library is not available.
+
+DEFAULT_CRYPTO
+  Explicitly select which crypto provider is used by default. See
+  :ref:`crypto.runtime` for information about run-time selection of
+  the crypto provider. If not specified, qpdf will pick gnutls if
+  available, otherwise openssl if available, and finally native as a
+  last priority.
+
+Example: if you wanted to build with only the gnutls crypto provider,
+you should run cmake with ``-DUSE_IMPLICIT_CRYPTO=0
+-DREQUIRE_CRYPTO_GNUTLS=1``.
+
+Advanced Build Options
+~~~~~~~~~~~~~~~~~~~~~~
+
+These options are used only for special purposes and are not relevant
+to most users.
+
+AVOID_WINDOWS_HANDLE
+  Disable use of the ``HANDLE`` type in Windows. This can be useful if
+  you are building for certain embedded Windows environments. Some
+  functionality won't work, but you can still process PDF files from
+  memory in this configuration.
+
+BUILD_DOC_DIST, INSTALL_MANUAL
+  By default, installing qpdf does not include a pre-built copy of the
+  manual. Instead, it installs a README file that tells people where
+  to find the manual online. If you want to install the manual, you
+  must enable the ``INSTALL_MANUAL`` option, and you must have a
+  ``doc-dist`` directory in the manual directory of the build. The
+  ``doc-dist`` directory is created if ``BUILD_DOC_DIST`` is selected
+  and ``BUILD_DOC_PDF`` and ``BUILD_DOC_HTML`` are both on.
+
+  The ``BUILD_DOC_DIST`` and ``INSTALL_MANUAL`` options are separate
+  and independent because of the additional tools required to build
+  documentation. In particular, for qpdf's official release
+  preparation, a ``doc-dist`` directory is built in Linux and then
+  extracted into the Windows builds so that it can be included in the
+  Windows installers. This prevents us from having to build the
+  documentation in a Windows environment. For additional discussion,
+  see :ref:`doc-packaging-rationale`.
+
+INSTALL_CMAKE_PACKAGE
+  Controls whether or not to install qpdf's cmake configuration file
+  (on by default).
+
+INSTALL_EXAMPLES
+  Controls whether or not to install qpdf's example source files with
+  documentation (on by default).
+
+INSTALL_PKGCONFIG
+  Controls whether or not to install qpdf's pkg-config configuration
+  file (on by default).
+
+OSS_FUZZ
+  Turning this option on changes the build of the fuzzers in a manner
+  specifically required by Google's oss-fuzz project. There is no
+  reason to turn this on for any other reason. It is enabled by the
+  build script that builds qpdf from that context.
+
+SKIP_OS_SECURE_RANDOM, USE_INSECURE_RANDOM
+  The native crypto implementation uses the operating systems's secure
+  random number source when available. It is not used when an external
+  crypto provider is in use. If you are building in a very specialized
+  environment where you are not using an external crypto provider but
+  can't use the OS-provided secure random number generator, you can
+  turn both of these options on. This will cause qpdf to fall back to
+  an insecure random number generator, which may generate guessable
+  random numbers. The resulting qpdf is still secure, but encrypted
+  files may be more subject to brute force attacks. Unless you know
+  you need these options for a specialized purpose, you don't need
+  them. These options were added to qpdf in response to a special
+  request from a user who needed to run a specialized PDF-related task
+  in an embedded environment that didn't have a secure random number
+  source.
+
+Building without wchar_t
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+It is possible to build qpdf on a system that doesn't have
+``wchar_t``. The resulting build of qpdf is not API-compatible with a
+regular qpdf build, so this option cannot be selected from cmake. This
+option was added to qpdf to support installation on a very stripped
+down embedded environment that included only a partial implementation
+of the standard C++ library.
+
+You can disable use of ``wchar_t`` in qpdf's code by defining the
+``QPDF_NO_WCHAR_T`` preprocessor symbol in your build (e.g. by
+including ``-DQPDF_NO_WCHAR_T`` in ``CFLAGS`` and ``CXXFLAGS``).
+
+While ``wchar_t`` is part of the C++ standard library and should be
+present on virtually every system, there are some stripped down
+systems, such as those targeting certain embedded environments, that
+lack ``wchar_t``. Internally, qpdf uses UTF-8 encoding for everything,
+so there is nothing important in qpdf's API that uses ``wchar_t``.
+However, there are some helper methods for converting between
+``wchar_t*`` and ``char*``.
+
+If you are building in an environment that does not support
+``wchar_t``, you can define the preprocessor symbol
+``QPDF_NO_WCHAR_T`` in your build. This will work whether you are
+building qpdf and need to avoid compiling the code that uses wchar_t
+or whether you are building client code that uses qpdf.
+
+Note that, when you build code with libqpdf, it is *not necessary* to
+have the definition of ``QPDF_NO_WCHAR_T`` in your build match what
+was defined when the library was built as long as you are not calling
+any of the methods that use ``wchar_t``.
+
+.. _crypto:
+
+Crypto Providers
+----------------
+
+Starting with qpdf 9.1.0, the qpdf library can be built with multiple
+implementations of providers of cryptographic functions, which we refer
+to as "crypto providers." At the time of writing, a crypto
+implementation must provide MD5 and SHA2 (256, 384, and 512-bit) hashes
+and RC4 and AES256 with and without CBC encryption. In the future, if
+digital signature is added to qpdf, there may be additional requirements
+beyond this. Some of these are weak cryptographic algorithms. For a
+discussion of why they're needed, see :ref:`weak-crypto`.
+
+The available crypto provider implementations are ``gnutls``,
+``openssl``, and ``native``. OpenSSL support was added in qpdf 10.0.0
+with support for OpenSSL added in 10.4.0. GnuTLS support was
+introduced in qpdf 9.1.0. Additional implementations can be added as
+needed. It is also possible for a developer to provide their own
+implementation without modifying the qpdf library.
+
+For information about selecting which crypto providers are compiled
+into qpdf, see :ref:`crypto.build`.
+
+.. _crypto.runtime:
+
+Runtime Crypto Provider Selection
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+You can use the :qpdf:ref:`--show-crypto` option to :command:`qpdf` to
+get a list of available crypto providers. The default provider is
+always listed first, and the rest are listed in lexical order. Each
+crypto provider is listed on a line by itself with no other text,
+enabling the output of this command to be used easily in scripts.
+
+You can override which crypto provider is used by setting the
+``QPDF_CRYPTO_PROVIDER`` environment variable. There are few reasons
+to ever do this, but you might want to do it if you were explicitly
+trying to compare behavior of two different crypto providers while
+testing performance or reproducing a bug. It could also be useful for
+people who are implementing their own crypto providers.
+
+.. _crypto.develop:
+
+Crypto Provider Information for Developers
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If you are writing code that uses libqpdf and you want to force a
+certain crypto provider to be used, you can call the method
+``QPDFCryptoProvider::setDefaultProvider``. The argument is the name
+of a built-in or developer-supplied provider. To add your own crypto
+provider, you have to create a class derived from ``QPDFCryptoImpl``
+and register it with ``QPDFCryptoProvider``. For additional
+information, see comments in :file:`include/qpdf/QPDFCryptoImpl.hh`.
+
+.. _crypto.design:
+
+Crypto Provider Design Notes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This section describes a few bits of rationale for why the crypto
+provider interface was set up the way it was. You don't need to know any
+of this information, but it's provided for the record and in case it's
+interesting.
+
+As a general rule, I want to avoid as much as possible including large
+blocks of code that are conditionally compiled such that, in most
+builds, some code is never built. This is dangerous because it makes it
+very easy for invalid code to creep in unnoticed. As such, I want it to
+be possible to build qpdf with all available crypto providers, and this
+is the way I build qpdf for local development. At the same time, if a
+particular packager feels that it is a security liability for qpdf to
+use crypto functionality from other than a library that gets
+considerable scrutiny for this specific purpose (such as gnutls,
+openssl, or nettle), then I want to give that packager the ability to
+completely disable qpdf's native implementation. Or if someone wants to
+avoid adding a dependency on one of the external crypto providers, I
+don't want the availability of the provider to impose additional
+external dependencies within that environment. Both of these are
+situations that I know to be true for some users of qpdf.
+
+I want registration and selection of crypto providers to be thread-safe,
+and I want it to work deterministically for a developer to provide their
+own crypto provider and be able to set it up as the default. This was
+the primary motivation behind requiring C++-11 as doing so enabled me to
+exploit the guaranteed thread safety of local block static
+initialization. The ``QPDFCryptoProvider`` class uses a singleton
+pattern with thread-safe initialization to create the singleton instance
+of ``QPDFCryptoProvider`` and exposes only static methods in its public
+interface. In this way, if a developer wants to call any
+``QPDFCryptoProvider`` methods, the library guarantees the
+``QPDFCryptoProvider`` is fully initialized and all built-in crypto
+providers are registered. Making ``QPDFCryptoProvider`` actually know
+about all the built-in providers may seem a bit sad at first, but this
+choice makes it extremely clear exactly what the initialization behavior
+is. There's no question about provider implementations automatically
+registering themselves in a nondeterministic order. It also means that
+implementations do not need to know anything about the provider
+interface, which makes them easier to test in isolation. Another
+advantage of this approach is that a developer who wants to develop
+their own crypto provider can do so in complete isolation from the qpdf
+library and, with just two calls, can make qpdf use their provider in
+their application. If they decided to contribute their code, plugging it
+into the qpdf library would require a very small change to qpdf's source
+code.
+
+The decision to make the crypto provider selectable at runtime was one I
+struggled with a little, but I decided to do it for various reasons.
+Allowing an end user to switch crypto providers easily could be very
+useful for reproducing a potential bug. If a user reports a bug that
+some cryptographic thing is broken, I can easily ask that person to try
+with the ``QPDF_CRYPTO_PROVIDER`` variable set to different values. The
+same could apply in the event of a performance problem. This also makes
+it easier for qpdf's own test suite to exercise code with different
+providers without having to make every program that links with qpdf
+aware of the possibility of multiple providers. In qpdf's continuous
+integration environment, the entire test suite is run for each supported
+crypto provider. This is made simple by being able to select the
+provider using an environment variable.
+
+Finally, making crypto providers selectable in this way establish a
+pattern that I may follow again in the future for stream filter
+providers. One could imagine a future enhancement where someone could
+provide their own implementations for basic filters like
+``/FlateDecode`` or for other filters that qpdf doesn't support.
+Implementing the registration functions and internal storage of
+registered providers was also easier using C++-11's functional
+interfaces, which was another reason to require C++-11 at this time.
+
+.. _autoconf-to-cmake:
+
+Converting From autoconf to cmake
+---------------------------------
+
+Versions of qpdf before qpdf 11 were built with ``autoconf`` and a
+home-grown GNU Make-based build system. If you built qpdf with special
+``./configure`` options, this section can help you switch them over to
+``cmake``.
+
+In most cases, there is a one-to-one mapping between configure options
+and cmake options. There are a few exceptions:
+
+- The cmake build behaves differently with respect to whether or not
+  to include support for the native crypto provider. Specifically, it
+  is not implicitly enabled unless explicitly requested if there are
+  other options available. You can force it to be included by enabling
+  ``REQUIRE_CRYPTO_NATIVE``. For details, see :ref:`crypto.build`.
+
+- The ``--enable-external-libs`` option is no longer available. The
+  cmake build detects the presence of ``external-libs`` automatically.
+  See :file:`README-windows.md` in the source distribution for a more
+  in-depth discussion.
+
+- The sense of the option representing use of the OS-provided secure
+  random number generator has been reversed: the
+  ``--enable-os-secure-random``, which was on by default, has been
+  replaced by the ``SKIP_OS_SECURE_RANDOM`` option, which is off by
+  default. The option's new name and behavior match the preprocessor
+  symbol that it turns on.
+
+- Non-default test configuration is selected with environment
+  variables rather than cmake. The old ``./configure`` options just
+  set environment variables. Note that the sense of the variable for
+  image comparison tests has been reversed. It used to be that you had
+  to set ``QPDF_SKIP_TEST_COMPARE_IMAGES`` to ``1`` to *disable* image
+  comparison tests. This was done by default. Now you have to set
+  ``QPDF_TEST_COMPARE_IMAGES`` to ``1`` to *enable* image comparison
+  tests. Either way, they are off by default.
+
+- Non-user-visible change: the preprocessor symbol that triggers the
+  export of functions into the public ABI (application binary
+  interface) has been changed from ``DLL_EXPORT`` to
+  ``libqpdf_EXPORTS``. This detail is encapsulated in the build and is
+  only relevant to people who are building qpdf on their own or who
+  may have previously needed to work around a collision between qpdf's
+  use of ``DLL_EXPORT`` and someone else's use of the same symbol.
+
+- A handful of options that were specific to autoconf or the old build
+  system have been dropped.
+
+- ``cmake --install`` installs example source code in
+  ``doc/qpdf/examples`` in the ``examples`` installation component.
+  Packagers are encouraged to package this with development files if
+  there is no separate doc package. This can be turned off by
+  disabling the ``INSTALL_EXAMPLES`` build option.
+
+There are some new options available in the cmake build that were not
+available in the autoconf build. This table shows the old options and
+their equivalents in cmake.
+
+.. list-table:: configure flags to cmake options
+   :widths: 40 60
+   :header-rows: 0
+
+   - - enable-avoid-windows-handle
+     - AVOID_WINDOWS_HANDLE
+
+   - - enable-check-autofiles
+     - none -- not relevant to cmake
+
+   - - enable-crypto-gnutls
+     - REQUIRE_CRYPTO_GNUTLS
+
+   - - enable-crypto-native
+     - REQUIRE_CRYPTO_NATIVE (but see above)
+
+   - - enable-crypto-openssl
+     - REQUIRE_CRYPTO_OPENSSL
+
+   - - enable-doc-maintenance
+     - BUILD_DOC
+
+   - - enable-external-libs
+     - none -- detected automatically
+
+   - - enable-html-doc
+     - BUILD_DOC_HTML
+
+   - - enable-implicit-crypto
+     - USE_IMPLICIT_CRYPTO
+
+   - - enable-insecure-random
+     - USE_INSECURE_RANDOM
+
+   - - enable-ld-version-script
+     - none -- detected automatically
+
+   - - enable-maintainer-mode
+     - MAINTAINER_MODE (slight differences)
+
+   - - enable-os-secure-random (on by default)
+     - SKIP_OS_SECURE_RANDOM (off by default)
+
+   - - enable-oss-fuzz
+     - OSS_FUZZ
+
+   - - enable-pdf-doc
+     - BUILD_DOC_PDF
+
+   - - enable-rpath
+     - none -- cmake handles rpath correctly
+
+   - - enable-show-failed-test-output
+     - SHOW_FAILED_TEST_OUTPUT
+
+   - - enable-test-compare-images
+     - set the ``QPDF_TEST_COMPARE_IMAGES`` environment variable
+
+   - - enable-werror
+     - WERROR
+
+   - - with-buildrules
+     - none -- not relevant to cmake
+
+   - - with-default-crypto
+     - DEFAULT_CRYPTO
+
+   - - large-file-test-path
+     - set the ``QPDF_LARGE_FILE_TEST_PATH`` environment variable

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/json.rst Added

@@ -0,0 +1,897 @@
+.. cSpell:ignore moddifyannotations
+.. cSpell:ignore feff
+
+.. _json:
+
+qpdf JSON
+=========
+
+.. _json-overview:
+
+Overview
+--------
+
+Beginning with qpdf version 11.0.0, the qpdf library and command-line
+program can produce a JSON representation of a PDF file. qpdf version
+11 introduces JSON format version 2. Prior to qpdf 11, versions 8.3.0
+onward had a more limited JSON representation accessible only from the
+command-line. For details on what changed, see :ref:`json-v2-changes`.
+The rest of this chapter documents qpdf JSON version 2.
+
+Please note: this chapter discusses *qpdf JSON format*, which
+represents the contents of a PDF file. This is distinct from the
+*QPDFJob JSON format* which provides a higher-level interface
+interacting with qpdf the way the command-line tool does. For
+information about that, see :ref:`qpdf-job`.
+
+The qpdf JSON format is specific to qpdf. The :qpdf:ref:`--json`
+command-line flag causes creation of a JSON representation the objects
+in a PDF file along with JSON-formatted summaries of other information
+about the file. This functionality is built into ``QPDFJob`` and can
+be accessed from the ``qpdf`` command-line tool or from the
+``QPDFJob`` C or C++ API.
+
+Starting with qpdf JSON version 2, from qpdf 11.0.0, the JSON output
+includes an unambiguous and complete representation of the PDF objects
+and header. The information without the JSON-formatted summaries of
+other information is also available using the ``QPDF::writeJSON``
+method.
+
+By default, stream data is omitted from the JSON data, but it can be
+included by specifying the :qpdf:ref:`--json-stream-data` option. With
+stream data included, the generated JSON file completely represents a
+PDF file. You can think of this as using JSON as an *alternative
+syntax* for representing a PDF file. Using qpdf JSON, it is possible
+to convert a PDF file to JSON, manipulate the structure or contents of
+the objects at a low level, and convert the results back to a PDF
+file. This functionality can be accessed from the command-line with
+the :qpdf:ref:`--json-input`, and :qpdf:ref:`--update-from-json`
+flags, or from the API using the ``QPDF::createFromJSON``, and
+``QPDF::updateFromJSON`` methods. The :qpdf:ref:`--json-output` flag
+changes a handful of defaults so that the resulting JSON is as close
+as possible to the original input and is ready for being converted
+back to PDF.
+
+The qpdf JSON data includes unreferenced objects. This may be
+addressed in a future version of qpdf. For now, that means that
+certain objects that are not useful in the JSON representation are
+included. This includes linearization and encryption dictionaries,
+linearization hint streams, object streams, and the cross-reference
+(xref) stream associated with the trailer dictionary where applicable.
+For the best experience with qpdf JSON, you can run the file through
+qpdf first to remove encryption, linearization, and object streams.
+For example:
+
+::
+
+   qpdf --decrypt --object-streams=disable in.pdf out.pdf
+   qpdf --json-output out.pdf out.json
+
+
+.. _json-terminology:
+
+JSON Terminology
+----------------
+
+Notes about terminology:
+
+- In JavaScript and JSON, that thing that has keys and values is
+  typically called an *object*.
+
+- In PDF, that thing that has keys and values is typically called a
+  *dictionary*. An *object* is a PDF object such as integer, real,
+  boolean, null, string, array, dictionary, or stream.
+
+- Some languages that use JSON call an *object* a *dictionary*, a
+  *map*, or a *hash*.
+
+- Sometimes, it's called on *object* if it has fixed keys and a
+  *dictionary* if it has variable keys.
+
+This manual is not entirely consistent about its use of *dictionary*
+vs. *object* because sometimes one term or another is clearer in
+context. Just be aware of the ambiguity when reading the manual. We
+frequently use the term *dictionary* to refer to a JSON object because
+of the consistency with PDF terminology, particular when referring to
+a dictionary that contains information PDF objects.
+
+.. _what-qpdf-json-is-not:
+
+What qpdf JSON is not
+---------------------
+
+Please note that qpdf JSON offers a convenient syntax for manipulating
+PDF files at a low level using JSON syntax. JSON syntax is much easier
+to work with than native PDF syntax, and there are good JSON libraries
+in virtually every commonly used programming language. Working with
+PDF objects in JSON removes the need to worry about stream lengths,
+cross reference tables, and PDF-specific representations of Unicode or
+binary strings that appear outside of content streams. It does not
+eliminate the need to understand the semantic structure of PDF files.
+Working with qpdf JSON still requires familiarity with the PDF
+specification.
+
+In particular, qpdf JSON *does not* provide any of the following
+capabilities:
+
+- Text extraction. While you could use qpdf JSON syntax to navigate to
+  a page's content streams and font structures, text within pages is
+  still encoded using PDF syntax within content streams, and there is
+  no assistance for text extraction.
+
+- Reflowing text, document structure. qpdf JSON does not add any new
+  information or insight into the content of PDF files. If you have a
+  PDF file that lacks any structural information, qpdf JSON won't help
+  you solve any of those problems.
+
+This is what we mean when we say that JSON provides a *alternative
+syntax* for working with PDF data. Semantically, it is identical to
+native PDF.
+
+.. _qpdf-json:
+
+qpdf JSON Format
+----------------
+
+This section describes how qpdf represents PDF objects in JSON format.
+It also describes how to work with qpdf JSON to create or
+modify PDF files.
+
+.. _json.objects:
+
+qpdf JSON Object Representation
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This section describes the representation of PDF objects in qpdf JSON
+version 2. An example appears in :ref:`json.example`.
+
+PDF objects are represented within the ``"qpdf"`` entry of a qpdf JSON
+file. The ``"qpdf"`` entry is a two-element array. The first element
+is a dictionary containing header-like information about the file such
+as the PDF version. The second element is a dictionary containing all
+the objects in the PDF file. We refer to this as the *objects
+dictionary*.
+
+The first element contains the following keys:
+
+- ``"jsonversion"`` -- a number indicating the JSON version used for
+  writing. This will always be ``2``.
+
+- ``"pdfversion"`` -- a string containing PDF version as indicated in
+  the PDF header (e.g. ``"1.7"``, ``"2.0"``)
+
+- ``pushedinheritedpageresources`` -- a boolean indicating whether the
+  library pushed inherited resources down to the page level. Certain
+  library calls cause this to happen, and qpdf needs to know when
+  reading a JSON file back in whether it should do this as it may
+  cause certain objects to be renumbered. This field is ignored when
+  :qpdf:ref:`--update-from-json` was not given.
+
+- ``calledgetallpages`` -- a boolean indicating whether
+  ``getAllPages`` was called prior to writing the JSON output. This
+  method causes page tree repair to occur, which may renumber some
+  objects (in very rare cases of corrupted page trees), so qpdf needs
+  to know this information when reading a JSON file back in. This
+  field is ignored when :qpdf:ref:`--update-from-json` was not given.
+
+- ``"maxobjectid"`` -- a number indicating the object ID of the
+  highest numbered object in the file. This is provided to make it
+  easier for software that wants to add new objects to the file as you
+  can safely start with one above that number when creating new
+  objects. Note that the value of ``"maxobjectid"`` may be higher than
+  the actual maximum object that appears in the input PDF since it
+  takes into consideration any dangling indirect object references
+  from the original file. This prevents you from unwittingly creating
+  an object that doesn't exist but that is referenced, which may have
+  unintended side effects. (The PDF specification explicitly allows
+  dangling references and says to treat them as nulls. This can happen
+  if objects are removed from a PDF file.)
+
+The second element is the objects dictionary. Each key in the objects
+dictionary is either ``"trailer"`` or a string of the form
+:samp:`"obj:{O} {G} R"` where :samp:`{O}` and :samp:`{G}` are the
+object and generation numbers and ``R`` is the literal string ``R``.
+This is the PDF syntax for the indirect object reference prepended by
+``obj:``. The value, representing the object itself, is a JSON object
+whose structure is described below.
+
+Top-level Stream Objects
+  Stream objects are represented as a JSON object with the single key
+  ``"stream"``. The stream object has a key called ``"dict"`` whose
+  value is the stream dictionary as an object value (described below)
+  with the ``"/Length"`` key omitted. Other keys are determined by the
+  value for json stream data (:qpdf:ref:`--json-stream-data`, or a
+  parameter of type ``qpdf_json_stream_data_e``) as follows:
+
+  - ``none``: stream data is not represented; no other keys are
+    present
+    specified.
+
+  - ``inline``: the stream data appears as a base64-encoded string as
+    the value of the ``"data"`` key
+
+  - ``file``: the stream data is written to a file, and the path to
+    the file is stored in the ``"datafile"`` key. A relative path is
+    interpreted as relative to the current directory when qpdf is
+    invoked.
+
+  Keys other than ``"dict"``, ``"data"``, and ``"datafile"`` are
+  ignored. This is primarily for future compatibility in case a newer
+  version of qpdf includes additional information.
+
+  As with the native PDF representation, the stream data must be
+  consistent with whatever filters and decode parameters are specified
+  in the stream dictionary.
+
+Top-level Non-stream Objects
+  Non-stream objects are represented as a dictionary with the single
+  key ``"value"``. Other keys are ignored for future compatibility.
+  The value's structure is described in "Object Values" below.
+
+  Note: in files that use object streams, the trailer "dictionary" is
+  actually a stream, but in the JSON representation, the value of the
+  ``"trailer"`` key is always written as a dictionary (with a
+  ``"value"`` key like other non-stream objects). There will also be a
+  a stream object whose key is the object ID of the cross-reference
+  stream, even though this stream will generally be unreferenced. This
+  makes it possible to assume ``"trailer"`` points to a dictionary
+  without having to consider whether the file uses object streams or
+  not. It is also consistent with how ``QPDF::getTrailer`` behaves in
+  the C++ API.
+
+Object Values
+  Within ``"value"`` or ``"stream"."dict"``, PDF objects are
+  represented as follows:
+
+  - Objects of type Boolean or null are represented as JSON objects of
+    the same type.
+
+  - Objects that are numeric are represented as numeric in the JSON
+    without regard to precision. Internally, qpdf stores numeric
+    values as strings, so qpdf will preserve arbitrary precision
+    numerical values when reading and writing JSON. It is likely that
+    other JSON readers and writers will have implementation-dependent
+    ways of handling numerical values that are out of range.
+
+  - Name objects are represented as JSON strings that start with ``/``
+    and are followed by the PDF name in canonical form with all PDF
+    syntax resolved. For example, the name whose canonical form (per
+    the PDF specification) is ``text/plain`` would be represented in
+    JSON as ``"/text/plain"`` and in PDF as ``"/text#2fplain"``.
+
+  - Indirect object references are represented as JSON strings that
+    look like a PDF indirect object reference and have the form
+    :samp:`"{O} {G} R"` where :samp:`{O}` and :samp:`{G}` are the
+    object and generation numbers and ``R`` is the literal string
+    ``R``. For example, ``"3 0 R"`` would represent a reference to the
+    object with object ID 3 and generation 0.
+
+  - PDF strings are represented as JSON strings in one of two ways:
+
+    - ``"u:utf8-encoded-string"``: this format is used when the PDF
+      string can be unambiguously represented as a Unicode string and
+      contains no unprintable characters. This is the case whether the
+      input string is encoded as UTF-16, UTF-8 (as allowed by PDF
+      2.0), or PDF doc encoding. Strings are only represented this way
+      if they can be encoded without loss of information.
+
+    - ``"b:hex-string"``: this format is used to represent any binary
+      string value that can't be represented as a Unicode string.
+      ``hex-string`` must have an even number of characters that range
+      from ``a`` through ``f``, ``A`` through ``F``, or ``0`` through
+      ``9``.
+
+    qpdf writes empty strings as ``"u:"``, but both ``"b:"`` and
+    ``"u:"`` are valid representations of the empty string.
+
+    There is full support for UTF-16 surrogate pairs. Binary strings
+    encoded with ``"b:..."`` are the internal PDF representations.
+    As such, the following are equivalent:
+
+    - ``"u:\ud83e\udd54"`` -- representation of U+1F954 as a surrogate
+      pair in JSON syntax
+
+    - ``"b:FEFFD83EDD54"`` -- representation of U+1F954 as the bytes
+      of a UTF-16 string in PDF syntax with the leading ``FEFF``
+      indicating UTF-16
+
+    - ``"b:efbbbff09fa594"`` -- representation of U+1F954 as the
+      bytes of a UTF-8 string in PDF syntax (as allowed by PDF 2.0)
+      with the leading ``EF``, ``BB``, ``BF`` sequence (which is just
+      UTF-8 encoding of ``FEFF``).
+
+    - A JSON string whose contents are ``u:`` followed by the UTF-8
+      representation of U+1F954. This is the potato emoji.
+      Unfortunately, I am not able to render it in the PDF version
+      of this manual.
+
+  - PDF arrays are represented as JSON arrays of objects as described
+    above
+
+  - PDF dictionaries are represented as JSON objects whose keys are
+    the string representations of names and whose values are
+    representations of PDF objects.
+
+Note that writing JSON output is done by ``QPDF``, not ``QPDFWriter``.
+As such, none of the things ``QPDFWriter`` does apply. This includes
+recompression of streams, renumbering of objects, removal of
+unreferenced objects, encryption, decryption, linearization, QDF
+mode, etc. See :ref:`rewriting` for a more in-depth discussion. This
+has a few noteworthy implications:
+
+- Decryption is handled transparently by qpdf. As there are no QPDF
+  APIs, even internal to the library, that allow retrieval of
+  encrypted data in its raw, encrypted form, qpdf JSON always includes
+  decrypted data. It is possible that a future version of qpdf may
+  allow access to raw, encrypted string and stream data.
+
+- Objects that are related to a PDF file's structure, rather than its
+  content, are included in the JSON output, even though they are not
+  particularly useful. In a future version of qpdf, this may be fixed,
+  and the :qpdf:ref:`--preserve-unreferenced` flag may be able to be
+  used to get the existing behavior. For now, to avoid this, run the
+  file through ``qpdf --decrypt --object-streams=disable in.pdf
+  out.pdf`` to generate a new PDF file that contains no unreferenced
+  or structural objects.
+
+  - Linearized PDF files include a linearization dictionary which is not
+    referenced from any other object and which references the
+    linearization hint stream by offset. The JSON from a linearized PDF
+    file contains both of these objects, even though they are not useful
+    in the JSON. Offset information is not represented in the JSON, so
+    there's no way to find the linearization hint stream from the
+    JSON. If a new PDF is created from JSON that was written, the
+    objects will be read back in but will just be unreferenced objects
+    that will be ignored by ``QPDFWriter`` when the file is rewritten.
+
+  - The JSON from a file with object streams will include the original
+    object stream and will also include all the objects in the stream
+    as top-level objects.
+
+  - In files with object streams, the trailer "dictionary" is a
+    stream. In qpdf JSON files, the ``"trailer"`` key will contain a
+    dictionary with all the keys in it relating to the stream, and the
+    stream will also appear as an unreferenced object.
+
+  - Encrypted files are decrypted, but the encryption dictionary still
+    appears in the JSON output.
+
+.. _json.example:
+
+qpdf JSON Example
+~~~~~~~~~~~~~~~~~
+
+The JSON below shows an example of a simple PDF file represented in
+qpdf JSON format.
+
+.. code-block:: json
+
+   {
+     "qpdf": 
+       {
+         "jsonversion": 2,
+         "pdfversion": "1.3",
+         "pushedinheritedpageresources": false,
+         "calledgetallpages": false,
+         "maxobjectid": 6
+       },
+       {
+         "obj:1 0 R": {
+           "value": {
+             "/Pages": "3 0 R",
+             "/Type": "/Catalog"
+           }
+         },
+         "obj:2 0 R": {
+           "value": {
+             "/Author": "u:Digits of π",
+             "/CreationDate": "u:D:20220731155308-05'00'",
+             "/Creator": "u:A person typing in Emacs",
+             "/Keywords": "u:potato, example",
+             "/ModDate": "u:D:20220731155308-05'00'",
+             "/Producer": "u:qpdf",
+             "/Subject": "u:Example",
+             "/Title": "u:Something potato-related"
+           }
+         },
+         "obj:3 0 R": {
+           "value": {
+             "/Count": 1,
+             "/Kids": 
+               "4 0 R"
+             ,
+             "/Type": "/Pages"
+           }
+         },
+         "obj:4 0 R": {
+           "value": {
+             "/Contents": "5 0 R",
+             "/MediaBox": 
+               0,
+               0,
+               612,
+               792
+             ,
+             "/Parent": "3 0 R",
+             "/Resources": {
+               "/Font": {
+                 "/F1": "6 0 R"
+               }
+             },
+             "/Type": "/Page"
+           }
+         },
+         "obj:5 0 R": {
+           "stream": {
+             "data": "eJxzCuFSUNB3M1QwMlEISQOyzY2AyEAhJAXI1gjIL0ksyddUCMnicg3hAgDLAQnI",
+             "dict": {
+               "/Filter": "/FlateDecode"
+             }
+           }
+         },
+         "obj:6 0 R": {
+           "value": {
+             "/BaseFont": "/Helvetica",
+             "/Encoding": "/WinAnsiEncoding",
+             "/Subtype": "/Type1",
+             "/Type": "/Font"
+           }
+         },
+         "trailer": {
+           "value": {
+             "/ID": 
+               "b:98b5a26966fba4d3a769b715b2558da6",
+               "b:6bea23330e0b9ff0ddb47b6757fb002e"
+             ,
+             "/Info": "2 0 R",
+             "/Root": "1 0 R",
+             "/Size": 7
+           }
+         }
+       }
+     
+   }
+
+.. _json.input:
+
+qpdf JSON Input
+~~~~~~~~~~~~~~~
+
+The qpdf JSON output can be used in two different ways:
+
+- By using the :qpdf:ref:`--json-input` flag or calling
+  ``QPDF::createFromJSON`` in place of ``QPDF::processFile``, a qpdf
+  JSON file can be used in place of a PDF file as the input to qpdf.
+
+- By using the :qpdf:ref:`--update-from-json` flag or calling
+  ``QPDF::updateFromJSON`` on an initialized ``QPDF`` object, a qpdf
+  JSON file can be used to apply changes to an existing ``QPDF``
+  object. That ``QPDF`` object can have come from any source including
+  a PDF file, a qpdf JSON file, or the result of any other process
+  that results in a valid, initialized ``QPDF`` object.
+
+Here are some important things to know about qpdf JSON input.
+
+- When a qpdf JSON file is used as the primary input file, it must be
+  complete. This means
+
+  - A JSON version number must be specified with the ``"jsonversion"``
+    key in the first array element
+
+  - A PDF version number must be specified with the ``"pdfversion"``
+    key in the first array element
+
+  - Stream data must be present for all streams
+
+  - The trailer dictionary must be present, though only the
+    ``"/Root"`` key is required.
+
+- Certain fields from the input are ignored whether creating or
+  updating from a JSON file:
+
+  - ``"maxobjectid"`` is ignored, so it is not necessary to update it
+    when adding new objects.
+
+  - ``"/Length"`` is ignored in all stream dictionaries. qpdf doesn't
+    put it there when it creates JSON output, and it is not necessary
+    to add it.
+
+  - ``"/Size"`` is ignored if it appears in a trailer dictionary as
+    that is always recomputed by ``QPDFWriter``.
+
+  - Unknown keys at the top level of the file, within ``"qpdf"``, and
+    at the top level of each individual PDF object (inside the
+    dictionary that has the ``"value"`` or ``"stream"`` key) and
+    directly within ``"stream"`` are ignored for future compatibility.
+    This includes other top-level keys generated by ``qpdf`` itself
+    (such as ``"pages"``). As such, those keys don't have to be
+    consistent with the ``"qpdf"`` key if modifying a JSON file for
+    conversion back to PDF. If you wish to store application-specific
+    metadata, you can do so by adding a key whose name starts with
+    ``x-``. qpdf is guaranteed not to add any of its own keys that
+    starts with ``x-``. Note that any ``"version"`` key at the top
+    level is ignored. The JSON version is obtained from the
+    ``"jsonversion"`` key of the first element of the ``"qpdf"``
+    field.
+
+- The values of ``"calledgetallpages"`` and
+  ``"pushedinheritedpageresources"`` are ignored when creating a file.
+  When updating a file, they treated as ``false`` if omitted.
+
+- When qpdf reads a PDF file, the internal object numbers are always
+  preserved. However, when qpdf writes a file using ``QPDFWriter``,
+  ``QPDFWriter`` does its own numbering and, in general, does not
+  preserve input object numbers. That means that a qpdf JSON file that
+  is used to update an existing PDF must have object numbers that
+  match the input file it is modifying. In practical terms, this means
+  that you can't use a JSON file created from one PDF file to modify
+  the *output of running qpdf on that file*.
+
+  To put this more concretely, the following is valid:
+
+  ::
+
+    qpdf --json-output in.pdf pdf.json
+    # edit pdf.json
+    qpdf in.pdf out.pdf --update-from-json=pdf.json
+
+  The following will produce unpredictable and probably incorrect
+  results because ``out.pdf`` won't have the same object numbers as
+  ``pdf.json`` and ``in.pdf``.
+
+  ::
+
+    qpdf --json-output in.pdf pdf.json
+    # edit pdf.json
+    qpdf in.pdf out.pdf --update-from-json=pdf.json
+    # edit pdf.json again
+    # Don't do this
+    qpdf out.pdf out2.pdf --update-from-json=pdf.json
+
+- When updating from a JSON file (:qpdf:ref:`--update-from-json`,
+  ``QPDF::updateFromJSON``), existing objects are updated in place.
+  This has the following implications:
+
+  - If the object you are updating is a stream, you may omit both
+    ``"data"`` and ``"datafile"``. In that case the original stream
+    data is preserved. You must always provide a stream dictionary,
+    but it may be empty. Note that an empty stream dictionary will
+    clear the old dictionary. There is no way to indicate that an old
+    stream dictionary should be left alone, so if your intention is to
+    replace the stream data and preserve the dictionary, the original
+    dictionary must appear in the JSON file.
+
+  - You can change one object type to another object type including
+    replacing a stream with a non-stream or a non-stream with a
+    stream. If you replace a non-stream with a stream, you must
+    provide data for the stream.
+
+  - Objects that you do not wish to modify can be omitted from the
+    JSON. That includes the trailer. That means you can use the output
+    of a qpdf JSON file that was written using
+    :qpdf:ref:`--json-object` to have it include only the objects you
+    intend to modify.
+
+  - You can omit the ``"pdfversion"`` key. The input PDF version will
+    be preserved.
+
+.. _json.workflow-cli:
+
+qpdf JSON Workflow: CLI
+~~~~~~~~~~~~~~~~~~~~~~~
+
+This section includes a few examples of using qpdf JSON.
+
+- Convert a PDF file to JSON format, edit the JSON, and convert back
+  to PDF. This is an alternative to using QDF mode (see :ref:`qdf`) to
+  modify PDF files in a text editor. Each method has its own
+  advantages and disadvantages.
+
+  ::
+
+     qpdf --json-output in.pdf pdf.json
+     # edit pdf.json
+     qpdf --json-input pdf.json out.pdf
+
+- Extract only a specific object into a JSON file, modify the object
+  in JSON, and use the modified object to update the original PDF. In
+  this case, we're editing object 4, whatever that may happen to be.
+  You would have to know through some other means which object you
+  wanted to edit, such as by looking at other JSON output or using a
+  tool (possibly but not necessarily qpdf) to identify the object.
+
+  ::
+
+     qpdf --json-output in.pdf pdf.json --json-object=4,0
+     # edit pdf.json
+     qpdf in.pdf --update-from-json=pdf.json out.pdf
+
+  Rather than using :qpdf:ref:`--json-object` as in the above example,
+  you could edit the JSON file to remove the objects you didn't need.
+  You could also just leave them there, though the update process
+  would be slower.
+
+  You could also add new objects to a file by adding them to
+  ``pdf.json``. Just be sure the object number doesn't conflict with
+  an existing object. The ``"maxobjectid"`` field in the original
+  output can help with this. You don't have to update it if you add
+  objects as it is ignored when the file is read back in.
+
+- Use :qpdf:ref:`--json-input` and :qpdf:ref:`--json-output` together
+  to demonstrate preservation of object numbers. In this example,
+  ``a.json`` and ``b.json`` will have the same objects and object
+  numbers. The files may not be identical since strings may be
+  normalized, fields may appear in a different order, etc. However
+  ``b.json`` and ``c.json`` are probably identical.
+
+  ::
+
+     qpdf --json-output in.pdf a.json
+     qpdf --json-input --json-output a.json b.json
+     qpdf --json-input --json-output b.json c.json
+
+
+.. _json.workflow-api:
+
+qpdf JSON Workflow: API
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Everything that can be done using the qpdf CLI can be done using the
+C++ API. See comments in :file:`QPDF.hh` for ``writeJSON``,
+``createFromJSON``, and ``updateFromJSON`` for details.
+
+.. _json-guarantees:
+
+JSON Compatibility Guarantees
+-----------------------------
+
+The qpdf JSON representation includes a JSON serialization of the raw
+objects in the PDF file as well as some computed information in a more
+easily extracted format. QPDF provides some guarantees about its JSON
+format. These guarantees are designed to simplify the experience of a
+developer working with the JSON format.
+
+Compatibility
+   The top-level JSON object is a dictionary (JSON "object"). The JSON
+   output contains various nested dictionaries and arrays. With the
+   exception of dictionaries that are populated by the fields of
+   PDF objects from the file, all instances of a dictionary are
+   guaranteed to have exactly the same keys.
+
+   The top-level JSON structure contains a ``"version"`` key whose
+   value is simple integer. The value of the ``version`` key will be
+   incremented if a non-compatible change is made. A non-compatible
+   change would be any change that involves removal of a key, a change
+   to the format of data pointed to by a key, or a semantic change
+   that requires a different interpretation of a previously existing
+   key. Note that, starting with version 2, the JSON version also
+   appears in the ``"jsonversion"`` field of the first element of
+   ``"qpdf"`` field.
+
+   Within a specific qpdf JSON version, future versions of qpdf are
+   free to add additional keys but not to remove keys or change the
+   type of object that a key points to. That means that consumers of
+   qpdf JSON should ignore keys they don't know about.
+
+Documentation
+   The :command:`qpdf` command can be invoked with the
+   :qpdf:ref:`--json-help` option. This will output a JSON
+   structure that has the same structure as the JSON output that qpdf
+   generates, except that each field in the help output is a description
+   of the corresponding field in the JSON output. The specific
+   guarantees are as follows:
+
+   - A dictionary in the help output means that the corresponding
+     location in the actual JSON output is also a dictionary with
+     exactly the same keys; that is, no keys present in help are
+     absent in the real output, and no keys will be present in the
+     real output that are not in help. It is possible for a key to be
+     present and have a value that is explicitly ``null``. As a
+     special case, if the dictionary has a single key whose name
+     starts with ``<`` and ends with ``>``, it means that the JSON
+     output is a dictionary that can have any value as a key. This is
+     used for cases in which the keys of the dictionary are things
+     like object IDs.
+
+   - A string in the help output is a description of the item that
+     appears in the corresponding location of the actual output. The
+     corresponding output can have any value including ``null``.
+
+   - A single-element array in the help output indicates that the
+     corresponding location in the actual output is either a single
+     item or is an array of any length. The single item or each
+     element of the array has whatever format is implied by the single
+     element of the help output's array.
+
+   - A multi-element array in the help output indicates that the
+     corresponding location in the actual output is an array of the
+     same length. Each element of the output array has whatever format
+     is implied by the corresponding element of the help output's
+     array.
+
+   For example, the help output indicates includes a ``"pagelabels"``
+   key whose value is an array of one element. That element is a
+   dictionary with keys ``"index"`` and ``"label"``. In addition to
+   describing the meaning of those keys, this tells you that the actual
+   JSON output will contain a ``pagelabels`` array, each of whose
+   elements is a dictionary that contains an ``index`` key, a ``label``
+   key, and no other keys.
+
+Directness and Simplicity
+   The JSON output contains the value of every object in the file, but
+   it also contains some summary data. This is analogous to how qpdf's
+   library interface works. The summary data is similar to the helper
+   functions in that it allows you to look at certain aspects of the
+   PDF file without having to understand all the nuances of the PDF
+   specification, while the raw objects allow you to mine the PDF for
+   anything that the higher-level interfaces are lacking. It is
+   especially useful to create a JSON file with the ``"pages"`` and
+   ``"qpdf"`` keys and to use the ``"pages"`` information to find a
+   page rather than navigating the pages tree manually. This can be
+   done safely, and changes can made to the objects dictionary without
+   worrying about keeping ``"pages"`` up to date since it is ignored
+   when reading the file back in.
+
+.. _json.considerations:
+
+JSON: Special Considerations
+----------------------------
+
+For the most part, the built-in JSON help tells you everything you need
+to know about the JSON format, but there are a few non-obvious things to
+be aware of:
+
+- If a PDF file has certain types of errors in its pages tree (such as
+  page objects that are direct or multiple pages sharing the same
+  object ID), qpdf will automatically repair the pages tree. If you
+  specify ``"qpdf"`` (or, with qpdf JSON version 1, ``"objects"`` or
+  ``"objectinfo"``) without any other keys, you will see the original
+  pages tree without any corrections. If you specify any of keys that
+  require page tree traversal (for example, ``"pages"``,
+  ``"outlines"``, or ``"pagelabel"``), then ``"qpdf"`` (and
+  ``"objects"`` and ``"objectinfo"``) will show the repaired page
+  tree so that object references will be consistent throughout the
+  file. You can tell if this has happened by looking at the
+  ``"calledgetallpages"`` and ``"pushedinheritedpageresources"``
+  fields in the first element of the ``"qpdf"`` array.
+
+- While qpdf guarantees that keys present in the help will be present
+  in the output, those fields may be null or empty if the information
+  is not known or absent in the file. Also, if you specify
+  :qpdf:ref:`--json-key`, the keys that are not listed
+  will be excluded entirely except for those that
+  :qpdf:ref:`--json-help` says are always present.
+
+- In a few places, there are keys with names containing
+  ``pageposfrom1``. The values of these keys are null or an integer. If
+  an integer, they point to a page index within the file numbering from
+  1. Note that JSON indexes from 0, and you would also use 0-based
+  indexing using the API. However, 1-based indexing is easier in this
+  case because the command-line syntax for specifying page ranges is
+  1-based. If you were going to write a program that looked through
+  the JSON for information about specific pages and then use the
+  command-line to extract those pages, 1-based indexing is easier.
+  Besides, it's more convenient to subtract 1 in a real programming
+  language than it is to add 1 in shell code.
+
+- The image information included in the ``page`` section of the JSON
+  output includes the key ``"filterable"``. Note that the value of
+  this field may depend on the :qpdf:ref:`--decode-level` that you
+  invoke qpdf with. The JSON output includes a top-level key
+  ``"parameters"`` that indicates the decode level that was used for
+  computing whether a stream was filterable. For example, jpeg images
+  will be shown as not filterable by default, but they will be shown
+  as filterable if you run :command:`qpdf --json
+  --decode-level=all`.
+
+- The ``encrypt`` key's values will be populated for non-encrypted
+  files. Some values will be null, and others will have values that
+  apply to unencrypted files.
+
+- The qpdf library itself never loads an entire PDF into memory. This
+  remains true for PDF files represented in JSON format. In general,
+  qpdf will hold the entire object structure in memory once a file has
+  been fully read (objects are loaded into memory lazily but stay
+  there once loaded), but it will never have more than two copies of a
+  stream in memory at once. That said, if you ask qpdf to write JSON
+  to memory, it will do so, so be careful about this if you are
+  working with very large PDF files. There is nothing in the qpdf
+  library itself that prevents working with PDF files much larger than
+  available system memory. qpdf can both read and write such files in
+  JSON format. If you need to work with a PDF file's json
+  representation in memory, it is recommended that you use either
+  ``none`` or ``file`` as the argument to
+  :qpdf:ref:`--json-stream-data`, or if using the API, use
+  ``qpdf_sj_none`` or ``pdf_sj_file`` as the json stream data value.
+  If using ``none``, you can use other means to obtain the stream
+  data.
+
+.. _json-v2-changes:
+
+Changes from JSON v1 to v2
+--------------------------
+
+The following changes were made to qpdf's JSON output format for
+version 2.
+
+- The representation of objects has changed. For details, see
+  :ref:`json.objects`.
+
+  - The representation of strings is now unambiguous for all strings.
+    Strings a prefixed with either ``u:`` for Unicode strings or
+    ``b:`` for byte strings.
+
+  - Names are shown in qpdf's canonical form rather than in PDF
+    syntax. (Example: the PDF-syntax name ``/text#2fplain`` appeared
+    as ``"/text#2fplain"`` in v1 but appears as ``"/text/plain"`` in
+    v2.
+
+  - The top-level representation of an object in ``"objects"`` is a
+    dictionary containing either a ``"value"`` key or a ``"stream"``
+    key, making it possible to distinguish streams from other objects.
+
+- The ``"objectinfo"`` and ``"objects"`` keys have been removed in
+  favor of a representation in ``"qpdf"`` that includes header
+  information and differentiates between a stream and other kinds of
+  objects. In v1, it was not possible to tell a stream from a
+  dictionary within ``"objects"``, and the PDF version was not
+  captured at all.
+
+- Within the objects dictionary, keys are now :samp:`"obj:{O} {G} R"`
+  where :samp:`{O}` and :samp:`{G}` are the object and generation
+  number. ``"trailer"`` remains the key for the trailer dictionary. In
+  v1, the ``obj:`` prefix was not present. The rationale for this
+  change is as follows:
+
+  - Having a unique prefix (``obj:``) makes it much easier to search
+    in the JSON file for the definition of an object
+
+  - Having the key still contain ``O G R`` makes it much easier to
+    construct the key from an indirect reference. You just have to
+    prepend ``obj:``. There is no need to parse the indirect object
+    reference.
+
+- In the ``"encrypt"`` object, the ``"modifyannotations"`` was
+  misspelled as ``"moddifyannotations"`` in v1. This has been
+  corrected.
+
+Motivation for qpdf JSON version 2
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+qpdf JSON version 2 was created to make it possible to manipulate PDF
+files using JSON syntax instead of native PDF syntax. This makes it
+possible to make low-level updates to PDF files from just about any
+programming language or even to do so from the command-line using
+tools like ``jq`` or any editor that's capable of working with JSON
+files. There were several limitations of JSON format version 1 that
+made this impossible:
+
+- Strings, names, and indirect object references in the original PDF
+  file were all converted to strings in the JSON representation. For
+  casual human inspection, this was fine, but in the general case,
+  there was no way to tell the difference between a string that looked
+  like a name or indirect object reference from an actual name or
+  indirect object reference.
+
+- PDF strings were not unambiguously represented in the JSON format.
+  The way qpdf JSON v1 represented a string was to try to convert the
+  string to UTF-8. This was done by assuming a string that was not
+  explicitly marked as Unicode was encoded in PDF doc encoding. The
+  problem is that there is not a perfect bidirectional mapping between
+  Unicode and PDF doc encoding, so if a binary string happened to
+  contain characters that couldn't be bidirectionally mapped, there
+  would be no way to get back to the original PDF string. Even when
+  possible, trying to map from the JSON representation of a binary
+  string back to the original string required knowledge of the mapping
+  between PDF doc encoding and Unicode.
+
+- There was no representation of stream data. If you wanted to extract
+  stream data, you could use :qpdf:ref:`--show-object`, so this wasn't
+  that important for inspection, but it was a blocker for being able
+  to go from JSON back to PDF. qpdf JSON version 2 allows stream data
+  to be included inline as base64-encoded data. There is also an
+  option to write all stream data to external files, which makes it
+  possible to work with very large PDF files in JSON format even with
+  tools that try to read the entire JSON structure into memory.
+
+- The PDF version from PDF header was not represented in qpdf JSON v1.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/library.rst Added

@@ -0,0 +1,112 @@
+.. _using-library:
+
+Using the QPDF Library
+======================
+
+.. _using.from-cxx:
+
+Using QPDF from C++
+-------------------
+
+The source tree for the qpdf package has an
+:file:`examples` directory that contains a few
+example programs. The :file:`libqpdf/QPDFJob.cc` source
+file also serves as a useful example since it exercises almost all of
+the qpdf library's public interface. The best source of documentation on
+the library itself is reading comments in
+:file:`include/qpdf/QPDF.hh`,
+:file:`include/qpdf/QPDFWriter.hh`, and
+:file:`include/qpdf/QPDFObjectHandle.hh`.
+
+All header files are installed in the
+:file:`include/qpdf` directory. It is recommend that
+you use ``#include <qpdf/QPDF.hh>`` rather than adding
+:file:`include/qpdf` to your include path.
+
+qpdf installs a ``pkg-config`` configuration with package name
+``libqpdf`` and a ``cmake`` configuration with package name ``qpdf``.
+The ``libqpdf`` target is exported in the ``qpdf::`` namespace. The
+following is an example of a :file:`CMakeLists.txt` file for a
+single-file executable that links with qpdf:
+
+.. code-block:: cmake
+
+   cmake_minimum_required(VERSION 3.16)
+   project(some-application LANGUAGES CXX)
+   find_package(qpdf)
+   add_executable(some-application some-application.cc)
+   target_link_libraries(some-application qpdf::libqpdf)
+
+
+The qpdf library is safe to use in a multithreaded program, but no
+individual ``QPDF`` object instance (including ``QPDF``,
+``QPDFObjectHandle``, or ``QPDFWriter``) can be used in more than one
+thread at a time. Multiple threads may simultaneously work with
+different instances of these and all other QPDF objects.
+
+.. _using.other-languages:
+
+Using QPDF from other languages
+-------------------------------
+
+The qpdf library is implemented in C++, which makes it hard to use
+directly in other languages. There are a few things that can help.
+
+"C"
+   The qpdf library includes a "C" language interface that provides a
+   subset of the overall capabilities. The header file
+   :file:`qpdf/qpdf-c.h` includes information about
+   its use. As long as you use a C++ linker, you can link C programs
+   with qpdf and use the C API. For languages that can directly load
+   methods from a shared library, the C API can also be useful. People
+   have reported success using the C API from other languages on Windows
+   by directly calling functions in the DLL.
+
+Python
+   A Python module called
+   `pikepdf <https://pypi.org/project/pikepdf/>`__ provides a clean and
+   highly functional set of Python bindings to the qpdf library. Using
+   pikepdf, you can work with PDF files in a natural way and combine
+   qpdf's capabilities with other functionality provided by Python's
+   rich standard library and available modules.
+
+Other Languages Starting with version 11.0.0, the :command:`qpdf`
+   command-line tool can produce an unambiguous JSON representation of
+   a PDF file and can also create or update PDF files using this JSON
+   representation. qpdf versions from 8.3.0 through 10.6.3 had a more
+   limited JSON output format. The qpdf JSON format makes it possible
+   to inspect and modify the structure of a PDF file down to the
+   object level from the command-line or from any language that can
+   handle JSON data. Please see :ref:`json` for details.
+
+Wrappers
+   The `qpdf Wiki <https://github.com/qpdf/qpdf/wiki>`__ contains a
+   list of `Wrappers around qpdf
+   <https://github.com/qpdf/qpdf/wiki/qpdf-Wrappers>`__. These may
+   have varying degrees of functionality or completeness. If you know
+   of (or have written) a wrapper that you'd like include, open an
+   issue at https://github.com/qpdf/qpdf/issues/new and ask for it to
+   be added to the list.
+
+.. _unicode-files:
+
+A Note About Unicode File Names
+-------------------------------
+
+When strings are passed to qpdf library routines either as ``char*`` or
+as ``std::string``, they are treated as byte arrays except where
+otherwise noted. When Unicode is desired, qpdf wants UTF-8 unless
+otherwise noted in comments in header files. In modern UNIX/Linux
+environments, this generally does the right thing. In Windows, it's a
+bit more complicated. Starting in qpdf 8.4.0, passwords that contain
+Unicode characters are handled much better, and starting in qpdf 8.4.1,
+the library attempts to properly handle Unicode characters in filenames.
+In particular, in Windows, if a UTF-8 encoded string is used as a
+filename in either ``QPDF`` or ``QPDFWriter``, it is internally
+converted to ``wchar_t*``, and Unicode-aware Windows APIs are used. As
+such, qpdf will generally operate properly on files with non-ASCII
+characters in their names as long as the filenames are UTF-8 encoded for
+passing into the qpdf library API, but there are still some rough edges,
+such as the encoding of the filenames in error messages or CLI output
+messages. Patches or bug reports are welcome for any continuing issues
+with Unicode file names in Windows.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/license.rst Added

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/linearization.rst Added

@@ -0,0 +1,197 @@
+.. _linearization:
+
+Linearization
+=============
+
+This chapter describes how ``QPDF`` and ``QPDFWriter`` implement
+creation and processing of linearized PDFS.
+
+.. _linearization-strategy:
+
+Basic Strategy for Linearization
+--------------------------------
+
+To avoid the incestuous problem of having the qpdf library validate its
+own linearized files, we have a special linearized file checking mode
+which can be invoked via :command:`qpdf
+--check-linearization` (or :command:`qpdf
+--check`). This mode reads the linearization parameter
+dictionary and the hint streams and validates that object ordering,
+parameters, and hint stream contents are correct. The validation code
+was first tested against linearized files created by external tools
+(Acrobat and pdlin) and then used to validate files created by
+``QPDFWriter`` itself.
+
+.. _linearized.preparation:
+
+Preparing For Linearization
+---------------------------
+
+Before creating a linearized PDF file from any other PDF file, the PDF
+file must be altered such that all page attributes are propagated down
+to the page level (and not inherited from parents in the ``/Pages``
+tree). We also have to know which objects refer to which other objects,
+being concerned with page boundaries and a few other cases. We refer to
+this part of preparing the PDF file as
+*optimization*, discussed in
+:ref:`optimization`. Note the, in this context, the
+term *optimization* is a qpdf term, and the
+term *linearization* is a term from the PDF
+specification. Do not be confused by the fact that many applications
+refer to linearization as optimization or web optimization.
+
+When creating linearized PDF files from optimized PDF files, there are
+really only a few issues that need to be dealt with:
+
+- Creation of hints tables
+
+- Placing objects in the correct order
+
+- Filling in offsets and byte sizes
+
+.. _optimization:
+
+Optimization
+------------
+
+In order to perform various operations such as linearization and
+splitting files into pages, it is necessary to know which objects are
+referenced by which pages, page thumbnails, and root and trailer
+dictionary keys. It is also necessary to ensure that all page-level
+attributes appear directly at the page level and are not inherited from
+parents in the pages tree.
+
+We refer to the process of enforcing these constraints as
+*optimization*. As mentioned above, note
+that some applications refer to linearization as optimization. Although
+this optimization was initially motivated by the need to create
+linearized files, we are using these terms separately.
+
+PDF file optimization is implemented in the
+:file:`QPDF_optimization.cc` source file. That file
+is richly commented and serves as the primary reference for the
+optimization process.
+
+After optimization has been completed, the private member variables
+``obj_user_to_objects`` and ``object_to_obj_users`` in ``QPDF`` have
+been populated. Any object that has more than one value in the
+``object_to_obj_users`` table is shared. Any object that has exactly one
+value in the ``object_to_obj_users`` table is private. To find all the
+private objects in a page or a trailer or root dictionary key, one
+merely has make this determination for each element in the
+``obj_user_to_objects`` table for the given page or key.
+
+Note that pages and thumbnails have different object user types, so the
+above test on a page will not include objects referenced by the page's
+thumbnail dictionary and nothing else.
+
+.. _linearization.writing:
+
+Writing Linearized Files
+------------------------
+
+We will create files with only primary hint streams. We will never write
+overflow hint streams. (As of PDF version 1.4, Acrobat doesn't either,
+and they are never necessary.) The hint streams contain offset
+information to objects that point to where they would be if the hint
+stream were not present. This means that we have to calculate all object
+positions before we can generate and write the hint table. This means
+that we have to generate the file in two passes. To make this reliable,
+``QPDFWriter`` in linearization mode invokes exactly the same code twice
+to write the file to a pipeline.
+
+In the first pass, the target pipeline is a count pipeline chained to a
+discard pipeline. The count pipeline simply passes its data through to
+the next pipeline in the chain but can return the number of bytes passed
+through it at any intermediate point. The discard pipeline is an end of
+line pipeline that just throws its data away. The hint stream is not
+written and dummy values with adequate padding are stored in the first
+cross reference table, linearization parameter dictionary, and /Prev key
+of the first trailer dictionary. All the offset, length, object
+renumbering information, and anything else we need for the second pass
+is stored.
+
+At the end of the first pass, this information is passed to the ``QPDF``
+class which constructs a compressed hint stream in a memory buffer and
+returns it. ``QPDFWriter`` uses this information to write a complete
+hint stream object into a memory buffer. At this point, the length of
+the hint stream is known.
+
+In the second pass, the end of the pipeline chain is a regular file
+instead of a discard pipeline, and we have known values for all the
+offsets and lengths that we didn't have in the first pass. We have to
+adjust offsets that appear after the start of the hint stream by the
+length of the hint stream, which is known. Anything that is of variable
+length is padded, with the padding code surrounding any writing code
+that differs in the two passes. This ensures that changes to the way
+things are represented never results in offsets that were gathered
+during the first pass becoming incorrect for the second pass.
+
+Using this strategy, we can write linearized files to a non-seekable
+output stream with only a single pass to disk or wherever the output is
+going.
+
+.. _linearization-data:
+
+Calculating Linearization Data
+------------------------------
+
+Once a file is optimized, we have information about which objects access
+which other objects. We can then process these tables to decide which
+part (as described in "Linearized PDF Document Structure" in the PDF
+specification) each object is contained within. This tells us the exact
+order in which objects are written. The ``QPDFWriter`` class asks for
+this information and enqueues objects for writing in the proper order.
+It also turns on a check that causes an exception to be thrown if an
+object is encountered that has not already been queued. (This could
+happen only if there were a bug in the traversal code used to calculate
+the linearization data.)
+
+.. _linearization-issues:
+
+Known Issues with Linearization
+-------------------------------
+
+There are a handful of known issues with this linearization code. These
+issues do not appear to impact the behavior of linearized files which
+still work as intended: it is possible for a web browser to begin to
+display them before they are fully downloaded. In fact, it seems that
+various other programs that create linearized files have many of these
+same issues. These items make reference to terminology used in the
+linearization appendix of the PDF specification.
+
+- Thread Dictionary information keys appear in part 4 with the rest of
+  Threads instead of in part 9. Objects in part 9 are not grouped
+  together functionally.
+
+- We are not calculating numerators for shared object positions within
+  content streams or interleaving them within content streams.
+
+- We generate only page offset, shared object, and outline hint tables.
+  It would be relatively easy to add some additional tables. We gather
+  most of the information needed to create thumbnail hint tables. There
+  are comments in the code about this.
+
+.. _linearization-debugging:
+
+Debugging Note
+--------------
+
+The :command:`qpdf --show-linearization` command can show
+the complete contents of linearization hint streams. To look at the raw
+data, you can extract the filtered contents of the linearization hint
+tables using :command:`qpdf --show-object=n
+--filtered-stream-data`. Then, to convert this into a bit
+stream (since linearization tables are bit streams written without
+regard to byte boundaries), you can pipe the resulting data through the
+following perl code:
+
+.. code-block:: perl
+
+   use bytes;
+   binmode STDIN;
+   undef $/;
+   my $a = <STDIN>;
+   my @ch = split(//, $a);
+   map { printf("%08b", ord($_)) } @ch;
+   print "\n";

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/object-streams.rst Added

@@ -0,0 +1,186 @@
+.. _object-and-xref-streams:
+
+Object and Cross-Reference Streams
+==================================
+
+This chapter provides information about the implementation of object
+stream and cross-reference stream support in qpdf.
+
+.. _object-streams:
+
+Object Streams
+--------------
+
+Object streams can contain any regular object except the following:
+
+- stream objects
+
+- objects with generation > 0
+
+- the encryption dictionary
+
+- objects containing the /Length of another stream
+
+In addition, Adobe reader (at least as of version 8.0.0) appears to not
+be able to handle having the document catalog appear in an object stream
+if the file is encrypted, though this is not specifically disallowed by
+the specification.
+
+There are additional restrictions for linearized files. See
+:ref:`object-streams-linearization` for details.
+
+The PDF specification refers to objects in object streams as "compressed
+objects" regardless of whether the object stream is compressed.
+
+The generation number of every object in an object stream must be zero.
+It is possible to delete and replace an object in an object stream with
+a regular object.
+
+The object stream dictionary has the following keys:
+
+- ``/N``: number of objects
+
+- ``/First``: byte offset of first object
+
+- ``/Extends``: indirect reference to stream that this extends
+
+Stream collections are formed with ``/Extends``. They must form a
+directed acyclic graph. These can be used for semantic information and
+are not meaningful to the PDF document's syntactic structure. Although
+qpdf preserves stream collections, it never generates them and doesn't
+make use of this information in any way.
+
+The specification recommends limiting the number of objects in object
+stream for efficiency in reading and decoding. Acrobat 6 uses no more
+than 100 objects per object stream for linearized files and no more 200
+objects per stream for non-linearized files. ``QPDFWriter``, in object
+stream generation mode, never puts more than 100 objects in an object
+stream.
+
+Object stream contents consists of *N* pairs of integers, each of which
+is the object number and the byte offset of the object relative to the
+first object in the stream, followed by the objects themselves,
+concatenated.
+
+.. _xref-streams:
+
+Cross-Reference Streams
+-----------------------
+
+For non-hybrid files, the value following ``startxref`` is the byte
+offset to the xref stream rather than the word ``xref``.
+
+For hybrid files (files containing both xref tables and cross-reference
+streams), the xref table's trailer dictionary contains the key
+``/XRefStm`` whose value is the byte offset to a cross-reference stream
+that supplements the xref table. A PDF 1.5-compliant application should
+read the xref table first. Then it should replace any object that it has
+already seen with any defined in the xref stream. Then it should follow
+any ``/Prev`` pointer in the original xref table's trailer dictionary.
+The specification is not clear about what should be done, if anything,
+with a ``/Prev`` pointer in the xref stream referenced by an xref table.
+The ``QPDF`` class ignores it, which is probably reasonable since, if
+this case were to appear for any sensible PDF file, the previous xref
+table would probably have a corresponding ``/XRefStm`` pointer of its
+own. For example, if a hybrid file were appended, the appended section
+would have its own xref table and ``/XRefStm``. The appended xref table
+would point to the previous xref table which would point the
+``/XRefStm``, meaning that the new ``/XRefStm`` doesn't have to point to
+it.
+
+Since xref streams must be read very early, they may not be encrypted,
+and the may not contain indirect objects for keys required to read them,
+which are these:
+
+- ``/Type``: value ``/XRef``
+
+- ``/Size``: value *n+1*: where *n* is highest object number (same as
+  ``/Size`` in the trailer dictionary)
+
+- ``/Index`` (optional): value
+  ``:samp:`{n count}` ...`` used to determine
+  which objects' information is stored in this stream. The default is
+  ``0 /Size``.
+
+- ``/Prev``: value :samp:`{offset}`: byte
+  offset of previous xref stream (same as ``/Prev`` in the trailer
+  dictionary)
+
+- ``/W ...``: sizes of each field in the xref table
+
+The other fields in the xref stream, which may be indirect if desired,
+are the union of those from the xref table's trailer dictionary.
+
+.. _xref-stream-data:
+
+Cross-Reference Stream Data
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The stream data is binary and encoded in big-endian byte order. Entries
+are concatenated, and each entry has a length equal to the total of the
+entries in ``/W`` above. Each entry consists of one or more fields, the
+first of which is the type of the field. The number of bytes for each
+field is given by ``/W`` above. A 0 in ``/W`` indicates that the field
+is omitted and has the default value. The default value for the field
+type is ``1``. All other default values are ``0``.
+
+PDF 1.5 has three field types:
+
+- 0: for free objects. Format: ``0 obj next-generation``, same as the
+  free table in a traditional cross-reference table
+
+- 1: regular non-compressed object. Format: ``1 offset generation``
+
+- 2: for objects in object streams. Format: ``2 object-stream-number
+  index``, the number of object stream containing the object and the
+  index within the object stream of the object.
+
+It seems standard to have the first entry in the table be ``0 0 0``
+instead of ``0 0 ffff`` if there are no deleted objects.
+
+.. _object-streams-linearization:
+
+Implications for Linearized Files
+---------------------------------
+
+For linearized files, the linearization dictionary, document catalog,
+and page objects may not be contained in object streams.
+
+Objects stored within object streams are given the highest range of
+object numbers within the main and first-page cross-reference sections.
+
+It is okay to use cross-reference streams in place of regular xref
+tables. There are on special considerations.
+
+Hint data refers to object streams themselves, not the objects in the
+streams. Shared object references should also be made to the object
+streams. There are no reference in any hint tables to the object numbers
+of compressed objects (objects within object streams).
+
+When numbering objects, all shared objects within both the first and
+second halves of the linearized files must be numbered consecutively
+after all normal uncompressed objects in that half.
+
+.. _object-stream-implementation:
+
+Implementation Notes
+--------------------
+
+There are three modes for writing object streams:
+:samp:`disable`, :samp:`preserve`, and
+:samp:`generate`. In disable mode, we do not generate
+any object streams, and we also generate an xref table rather than xref
+streams. This can be used to generate PDF files that are viewable with
+older readers. In preserve mode, we write object streams such that
+written object streams contain the same objects and ``/Extends``
+relationships as in the original file. This is equal to disable if the
+file has no object streams. In generate, we create object streams
+ourselves by grouping objects that are allowed in object streams
+together in sets of no more than 100 objects. We also ensure that the
+PDF version is at least 1.5 in generate mode, but we preserve the
+version header in the other modes. The default is
+:samp:`preserve`.
+
+We do not support creation of hybrid files. When we write files, even in
+preserve mode, we will lose any xref tables and merge any appended
+sections.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/overview.rst Added

@@ -0,0 +1,38 @@
+.. _overview:
+
+What is QPDF?
+=============
+
+QPDF is a program and C++ library for structural, content-preserving
+transformations on PDF files. QPDF's website is located at
+https://qpdf.sourceforge.io/. QPDF's source code is hosted on github
+at https://github.com/qpdf/qpdf. You can find the latest version of
+this documentation at https://qpdf.readthedocs.io/.
+
+QPDF provides many useful capabilities to developers of PDF-producing
+software or for people who just want to look at the innards of a PDF
+file to learn more about how they work. With QPDF, it is possible to
+copy objects from one PDF file into another and to manipulate the list
+of pages in a PDF file. This makes it possible to merge and split PDF
+files. The QPDF library also makes it possible for you to create PDF
+files from scratch. In this mode, you are responsible for supplying
+all the contents of the file, while the QPDF library takes care of all
+the syntactical representation of the objects, creation of cross
+references tables and, if you use them, object streams, encryption,
+linearization, and other syntactic details. You are still responsible
+for generating PDF content on your own.
+
+QPDF has been designed with very few external dependencies, and it is
+intentionally very lightweight. QPDF is *not* a PDF content creation
+library, a PDF viewer, or a program capable of converting PDF into other
+formats. In particular, QPDF knows nothing about the semantics of PDF
+content streams. If you are looking for something that can do that, you
+should look elsewhere. However, once you have a valid PDF file, QPDF can
+be used to transform that file in ways that perhaps your original PDF
+creation tool can't handle. For example, many programs generate simple PDF
+files but can't password-protect them, web-optimize them, or perform
+other transformations of that type.
+
+This documentation aims to be comprehensive, but there is also a `wiki
+<https://github.com/qpdf/qpdf/wiki>`__ for less polished material and
+ongoing work.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/packaging.rst Added

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+.. _packaging:
+
+Notes for Packagers
+===================
+
+If you are packaging qpdf for an operating system distribution, this
+chapter is for you. Otherwise, feel free to skip.
+
+Build Options
+-------------
+
+For a detailed discussion of build options, please refer to
+:ref:`build-options`. This section calls attention to options that are
+particularly useful to packagers.
+
+- Perl must be present at build time. Prior to qpdf version 9.1.1,
+  there was a runtime dependency on perl, but this is no longer the
+  case.
+
+- Make sure you are getting the intended behavior with regard to crypto
+  providers. Read :ref:`crypto.build` for details.
+
+- Use of ``SHOW_FAILED_TEST_OUTPUT`` is recommended for building in
+  continuous integration or other automated environments as it makes
+  it possible to see test failures in build logs. This should be
+  combined with either ``ctest --verbose`` or ``ctest
+  --output-on-failure``.
+
+- qpdf's install targets do not install completion files by default
+  since there is no standard location for them. As a packager, it's
+  good if you install them wherever your distribution expects such
+  files to go. You can find completion files to install in the
+  :file:`completions` directory. See the :file:`completions/README.md`
+  file for more information.
+
+- Starting with qpdf 11, qpdf's default installation installs source
+  files from the examples directory with documentation. Prior to qpdf
+  11, this was a recommendation for packagers but was not done
+  automatically.
+
+.. _package-tests:
+
+Package Tests
+-------------
+
+The :file:`pkg-test` directory contains very small test shell scripts
+that are designed to help smoke-test an installation of qpdf. They
+were designed to be used with debian's `autopkgtest
+<https://wiki.debian.org/ContinuousIntegration/autopkgtest>`__
+framework but can be used by others. Please see
+:file:`pkg-test/README.md` in the source distribution for details.
+
+.. _packaging-doc:
+
+Packaging Documentation
+-----------------------
+
+Starting in qpdf version 10.5, pre-built documentation is no longer
+distributed with the qpdf source distribution. Here are a few options
+you may want to consider for your packages:
+
+- **Do nothing**
+
+  When you run ``make install``, the file :file:`README-doc.txt` is
+  installed in the documentation directory. That file tells the reader
+  where to find the documentation online and where to go to download
+  offline copies of the documentation. This is the option selected by
+  the debian packages.
+
+- **Embed pre-built documentation**
+
+  You can obtain pre-built documentation and extract its contents into
+  your distribution. This is what the Windows binary distributions
+  available from the qpdf release site do. You can find the pre-built
+  documentation in the release area in the file
+  :file:`qpdf-{version}-doc.zip`. For an example of this approach,
+  look at qpdf's GitHub actions build scripts. The
+  :file:`build-scripts/build-doc` script builds with
+  ``-DBUILD_DOC_DIST=1`` to create the documentation distribution. The
+  :file:`build-scripts/build-windows` script extracts it into the
+  build tree and builds with ``-DINSTALL_MANUAL=1`` to include it in
+  the installer.
+
+- **Build the documentation yourself**
+
+  You can build the documentation as part of your build process. Be
+  sure to pass ``-DBUILD_DOC_DIST=1`` and ``-DINSTALL_MANUAL=1`` to
+  cmake. This is what the AppImage build does. The latest version of
+  Sphinx at the time of the initial conversion a sphinx-based
+  documentation was 4.3.2. Older versions are not guaranteed to work.
+
+.. _doc-packaging-rationale:
+
+Documentation Packaging Rationale
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This section describes the reason for things being the way they are.
+It's for information only; you don't have to know any of this to
+package qpdf.
+
+What is the reason for this change? Prior to qpdf 10.5, the qpdf
+manual was a docbook XML file. The generated documents were the
+product of running the file through build-time style sheets and
+contained no copyrighted material of their own. Starting with version
+10.5, the manual is written in reStructured Text and built with `Sphinx
+<https://www.sphinx-doc.org>`__. This change was made to make it much
+easier to automatically generate portions of the documentation and to
+make the documentation easier to work with. The HTML output of Sphinx
+is also much more readable, usable, and suitable for online
+consumption than the output of the docbook style sheets. The downsides
+are that the generated HTML documentation now contains Javascript code
+and embedded fonts, and the PDF version of the documentation is no
+longer as suitable for printing (at least as of the 10.5 distribution)
+since external link targets are no longer shown and cross references
+no longer contain page number information. The presence of copyrighted
+material in the generated documentation, even though things are
+licensed with MIT and BSD licenses, complicates the job of the
+packager in various ways. For one thing, it means the
+:file:`NOTICE.md` file in the source repository would have to keep up
+with the copyright information for files that are not controlled in
+the repository. Additionally, some distributions (notably
+Debian/Ubuntu) discourage inclusion of sphinx-generated documentation
+in packages, preferring you instead to build the documentation as part
+of the package build process and to depend at runtime on a shared
+package that contains the code. At the time of the conversion of the
+qpdf manual from docbook to sphinx, newer versions of both sphinx and
+the html theme were required than were available in some of most of
+the Debian/Ubuntu versions for which qpdf was packaged.
+
+Since always-on Internet connectivity is much more common than it used
+to be, many users of qpdf would prefer to consume the documentation
+online anyway, and the lack of pre-built documentation in the
+distribution won't be as big of a deal. However there are still some
+people who can't or choose not to view documentation online. For them,
+pre-built documentation is still available.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/qdf.rst Added

@@ -0,0 +1,105 @@
+.. _qdf:
+
+QDF Mode
+========
+
+.. Help text for --qdf refers to the name of this chapter.
+
+In QDF mode, qpdf creates PDF files in what we call *QDF
+form*. A PDF file in QDF form, sometimes called a QDF
+file, is a completely valid PDF file that has ``%QDF-1.0`` as its third
+line (after the pdf header and binary characters) and has certain other
+characteristics. The purpose of QDF form is to make it possible to edit
+PDF files, with some restrictions, in an ordinary text editor. This can
+be very useful for experimenting with different PDF constructs or for
+making one-off edits to PDF files (though there are other reasons why
+this may not always work). Note that QDF mode does not support
+linearized files. If you enable linearization, QDF mode is automatically
+disabled.
+
+It is ordinarily very difficult to edit PDF files in a text editor for
+two reasons: most meaningful data in PDF files is compressed, and PDF
+files are full of offset and length information that makes it hard to
+add or remove data. A QDF file is organized in a manner such that, if
+edits are kept within certain constraints, the
+:command:`fix-qdf` program, distributed with qpdf, is
+able to restore edited files to a correct state. The
+:command:`fix-qdf` program takes no command-line
+arguments. It reads a possibly edited QDF file from standard input and
+writes a repaired file to standard output.
+
+For another way to work with PDF files in an editor, see :ref:`json`.
+Using qpdf JSON format allows you to edit the PDF file semantically
+without having to be concerned about PDF syntax. However, QDF files
+are actually valid PDF files, so the feedback cycle may be faster if
+previewing with a PDF reader. Also, since QDF files are valid PDF, you
+can experiment with all aspects of the PDF file, including syntax.
+
+The following attributes characterize a QDF file:
+
+- All objects appear in numerical order in the PDF file, including when
+  objects appear in object streams.
+
+- Objects are printed in an easy-to-read format, and all line endings
+  are normalized to UNIX line endings.
+
+- Unless specifically overridden, streams appear uncompressed (when
+  qpdf supports the filters and they are compressed with a non-lossy
+  compression scheme), and most content streams are normalized (line
+  endings are converted to just a UNIX-style linefeeds).
+
+- All streams lengths are represented as indirect objects, and the
+  stream length object is always the next object after the stream. If
+  the stream data does not end with a newline, an extra newline is
+  inserted, and a special comment appears after the stream indicating
+  that this has been done.
+
+- If the PDF file contains object streams, if object stream *n*
+  contains *k* objects, those objects are numbered from *n+1* through
+  *n+k*, and the object number/offset pairs appear on a separate line
+  for each object. Additionally, each object in the object stream is
+  preceded by a comment indicating its object number and index. This
+  makes it very easy to find objects in object streams.
+
+- All beginnings of objects, ``stream`` tokens, ``endstream`` tokens,
+  and ``endobj`` tokens appear on lines by themselves. A blank line
+  follows every ``endobj`` token.
+
+- If there is a cross-reference stream, it is unfiltered.
+
+- Page dictionaries and page content streams are marked with special
+  comments that make them easy to find.
+
+- Comments precede each object indicating the object number of the
+  corresponding object in the original file.
+
+When editing a QDF file, any edits can be made as long as the above
+constraints are maintained. This means that you can freely edit a page's
+content without worrying about messing up the QDF file. It is also
+possible to add new objects so long as those objects are added after the
+last object in the file or subsequent objects are renumbered. If a QDF
+file has object streams in it, you can always add the new objects before
+the xref stream and then change the number of the xref stream, since
+nothing generally ever references it by number.
+
+It is not generally practical to remove objects from QDF files without
+messing up object numbering, but if you remove all references to an
+object, you can run qpdf on the file (after running
+:command:`fix-qdf`), and qpdf will omit the now-orphaned
+object.
+
+When :command:`fix-qdf` is run, it goes through the file
+and recomputes the following parts of the file:
+
+- the ``/N``, ``/W``, and ``/First`` keys of all object stream
+  dictionaries
+
+- the pairs of numbers representing object numbers and offsets of
+  objects in object streams
+
+- all stream lengths
+
+- the cross-reference table or cross-reference stream
+
+- the offset to the cross-reference table or cross-reference stream
+  following the ``startxref`` token

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/qpdf-job.rst Added

@@ -0,0 +1,262 @@
+
+.. _qpdf-job:
+
+QPDFJob: a Job-Based Interface
+==============================
+
+All of the functionality from the :command:`qpdf` command-line
+executable is available from inside the C++ library using the
+``QPDFJob`` class. There are several ways to access this functionality:
+
+- Command-line options
+
+  - Run the :command:`qpdf` command line
+
+  - Use from the C++ API with ``QPDFJob::initializeFromArgv``
+
+  - Use from the C API with ``qpdfjob_run_from_argv`` from
+    :file:`qpdfjob-c.h`. If you are calling from a Windows-style main
+    and have an argv array of ``wchar_t``, you can use
+    ``qpdfjob_run_from_wide_argv``.
+
+- The job JSON file format
+
+  - Use from the CLI with the :qpdf:ref:`--job-json-file` parameter
+
+  - Use from the C++ API with ``QPDFJob::initializeFromJson``
+
+  - Use from the C API with ``qpdfjob_run_from_json`` from :file:`qpdfjob-c.h`
+
+  - Note: this is unrelated to :qpdf:ref:`--json` but can be combined
+    with it. For more information on qpdf JSON (vs. QPDFJob JSON), see
+    :ref:`json`.
+
+- The ``QPDFJob`` C++ API
+
+If you can understand how to use the :command:`qpdf` CLI, you can
+understand the ``QPDFJob`` class and the JSON file. qpdf guarantees
+that all of the above methods are in sync. Here's how it works:
+
+.. list-table:: QPDFJob Interfaces
+   :widths: 30 30 30
+   :header-rows: 1
+
+   - - CLI
+     - JSON
+     - C++
+
+   - - ``--some-option``
+     - ``"someOption": ""``
+     - ``config()->someOption()``
+
+   - - ``--some-option=value``
+     - ``"someOption": "value"``
+     - ``config()->someOption("value")``
+
+   - - positional argument
+     - ``"otherOption": "value"``
+     - ``config()->otherOption("value")``
+
+In the JSON file, the JSON structure is an object (dictionary) whose
+keys are command-line flags converted to camelCase. Positional
+arguments have some corresponding key, which you can find by running
+``qpdf`` with the :qpdf:ref:`--job-json-help` flag. For example, input
+and output files are named by positional arguments on the CLI. In the
+JSON, they appear in the ``"inputFile"`` and ``"outputFile"`` keys.
+The following are equivalent:
+
+.. It would be nice to have an automated test that these are all the
+   same, but we have so few live examples that it's not worth it for
+   now.
+
+CLI:
+  ::
+
+     qpdf infile.pdf outfile.pdf \
+        --pages . other.pdf --password=x 1-5 -- \
+        --encrypt user owner 256 --print=low -- \
+        --object-streams=generate
+
+Job JSON:
+  .. code-block:: json
+
+      {
+        "inputFile": "infile.pdf",
+        "outputFile": "outfile.pdf",
+        "pages": 
+          {
+            "file": "."
+          },
+          {
+            "file": "other.pdf",
+            "password": "x",
+            "range": "1-5"
+          }
+        ,
+        "encrypt": {
+          "userPassword": "user",
+          "ownerPassword": "owner",
+          "256bit": {
+            "print": "low"
+          }
+        },
+        "objectStreams": "generate"
+      }
+
+C++ code:
+  .. code-block:: c++
+
+      #include <qpdf/QPDFJob.hh>
+      #include <qpdf/QPDFUsage.hh>
+      #include <iostream>
+
+      int main(int argc, char* argv)
+      {
+          try
+          {
+              QPDFJob j;
+              j.config()
+                  ->inputFile("infile.pdf")
+                  ->outputFile("outfile.pdf")
+                  ->pages()
+                  ->pageSpec(".", "1-z")
+                  ->pageSpec("other.pdf", "1-5", "x")
+                  ->endPages()
+                  ->encrypt(256, "user", "owner")
+                  ->print("low")
+                  ->endEncrypt()
+                  ->objectStreams("generate")
+                  ->checkConfiguration();
+              j.run();
+          }
+          catch (QPDFUsage& e)
+          {
+              std::cerr << "configuration error: " << e.what() << std::endl;
+              return 2;
+          }
+          catch (std::exception& e)
+          {
+              std::cerr << "other error: " << e.what() << std::endl;
+              return 2;
+          }
+          return 0;
+      }
+
+Note the ``QPDFUsage`` exception above. This is thrown whenever a
+configuration error occurs. These exactly correspond to usage messages
+issued by the :command:`qpdf` CLI for things like omitting an output
+file, specifying `--pages` multiple times, or other invalid
+combinations of options. ``QPDFUsage`` is thrown by the argv and JSON
+interfaces as well as the native ``QPDFJob`` interface.
+
+It is also possible to mix and match command-line options and JSON
+from the CLI. For example, you could create a file called
+:file:`my-options.json` containing the following:
+
+.. code-block:: json
+
+    {
+      "encrypt": {
+        "userPassword": "",
+        "ownerPassword": "owner",
+        "256bit": {
+        }
+      },
+      "objectStreams": "generate"
+    }
+
+and use it with other options to create 256-bit encrypted (but
+unrestricted) files with object streams while specifying other
+parameters on the command line, such as
+
+::
+
+   qpdf infile.pdf outfile.pdf --job-json-file=my-options.json
+
+.. _qpdfjob-design:
+
+See also :file:`examples/qpdf-job.cc` in the source distribution as
+well as comments in ``QPDFJob.hh``.
+
+
+QPDFJob Design
+--------------
+
+This section describes some of the design rationale and history behind
+``QPDFJob``.
+
+Documentation of ``QPDFJob`` is divided among three places:
+
+- "HOW TO ADD A COMMAND-LINE ARGUMENT" in :file:`README-maintainer`
+  provides a quick reminder of how to add a command-line argument.
+
+- The source file :file:`generate_auto_job` has a detailed explanation
+  about how ``QPDFJob`` and ``generate_auto_job`` work together.
+
+- This chapter of the manual has other details.
+
+Prior to qpdf version 10.6.0, the qpdf CLI executable had a lot of
+functionality built into it that was not callable from the library as
+such. This created a number of problems:
+
+- Some of the logic in :file:`qpdf.cc` was pretty complex, such as
+  image optimization, generating JSON output, and many of the page
+  manipulations. While those things could all be coded using the C++
+  API, there would be a lot of duplicated code.
+
+- Page splitting and merging will get more complicated over time as
+  qpdf supports a wider range of document-level options. It would be
+  nice to be able to expose this to library users instead of baking it
+  all into the CLI.
+
+- Users of other languages who just wanted an interface to do things
+  that the CLI could do didn't have a good way to do it, such as just
+  handing a library call a set of command-line options or an
+  equivalent JSON object that could be passed in as a string.
+
+- The qpdf CLI itself was almost 8,000 lines of code. It needed to be
+  refactored, cleaned up, and split.
+
+- Exposing a new feature via the command-line required making lots of
+  small edits to lots of small bits of code, and it was easy to forget
+  something. Adding a code generator, while complex in some ways,
+  greatly reduces the chances of error when extending qpdf.
+
+Here are a few notes on some design decisions about QPDFJob and its
+various interfaces.
+
+- Bare command-line options (flags with no parameter) map to config
+  functions that take no options and to JSON keys whose values are
+  required to be the empty string. The rationale is that we can later
+  change these bare options to options that take an optional parameter
+  without breaking backward compatibility in the CLI or the JSON.
+  Options that take optional parameters generate two config functions:
+  one has no arguments, and one that has a ``char const*`` argument.
+  This means that adding an optional parameter to a previously bare
+  option also doesn't break binary compatibility.
+
+- Adding a new argument to :file:`job.yml` automatically triggers
+  almost everything by declaring and referencing things that you have
+  to implement. This way, once you get the code to compile and link,
+  you know you haven't forgotten anything. There are two tricky cases:
+
+  - If an argument handler has to do something special, like call a
+    nested config method or select an option table, you have to
+    implement it manually. This is discussed in
+    :file:`generate_auto_job`.
+
+  - When you add an option that has optional parameters or choices,
+    both of the handlers described above are declared, but only the
+    one that takes an argument is referenced. You have to remember to
+    implement the one that doesn't take an argument or else people
+    will get a linker error if they try to call it. The assumption is
+    that things with optional parameters started out as bare, so the
+    argument-less version is already there.
+
+- If you have to add a new option that requires its own option table,
+  you will have to do some extra work including adding a new nested
+  Config class, adding a config member variable to ``ArgParser`` in
+  :file:`QPDFJob_argv.cc` and ``Handlers`` in :file:`QPDFJob_json.cc`,
+  and make sure that manually implemented handlers are consistent with
+  each other. It is best to add explicit test cases for all the
+  various ways to get to the option.

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/qpdf.1.in -> _service:tar_scm:qpdf-11.1.0.tar.gz/manual/qpdf.1.in Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/release-notes.rst Added

@@ -0,0 +1,3239 @@
+.. _release-notes:
+
+Release Notes
+=============
+
+For a detailed list of changes, please see the file
+:file:`ChangeLog` in the source distribution.
+
+.. x.y.z: not yet released
+
+11.1.0: September 14, 2022
+  - Build fixes
+
+    - Remove ``LL_FMT`` tests, which were broken for cross
+      compilation. The code just uses ``%lld`` now.
+
+    - Some symbols were not properly exported for the Windows DLL
+      build.
+
+    - Force project-specific header files to precede all others in the
+      build so that a previous qpdf installation won't break building
+      qpdf from source.
+
+  - Packaging note omitted from 11.0.0 release notes:
+
+    - On GitHub, the release tags are now ``vX.Y.Z`` instead of
+      ``release-qpdf-X.Y.Z`` to be more consistent with current
+      practice.
+
+11.0.0: September 10, 2022
+  - Replacement of ``PointerHolder`` with ``std::shared_ptr``
+
+    - The qpdf-specific ``PointerHolder`` smart pointer implementation
+      has now been completely replaced with ``std::shared_ptr``
+      through the qpdf API. Please see :ref:`smart-pointers` for
+      details about this change and a comprehensive migration plan.
+      Note that a backward-compatible ``PointerHolder`` class is
+      provided and is enabled by default. A warning is issued, but
+      this can be turned off by following the migration steps outlined
+      in the manual.
+
+  - qpdf JSON version 2
+
+    - qpdf's JSON output mode is now at version 2. This fixes several
+      flaws with version 1. Version 2 JSON output is unambiguous and
+      complete, and bidirectional conversion between JSON and PDF is
+      supported. Command-line options and library API are available
+      for creating JSON from PDF, creating PDF from JSON and updating
+      existing PDF at the object level from JSON.
+
+    - New command-line arguments: :qpdf:ref:`--json-output`,
+      :qpdf:ref:`--json-input`, :qpdf:ref:`--update-from-json`
+
+    - New C++ API calls: ``QPDF::writeJSON``,
+      ``QPDF::createFromJSON``, ``QPDF::updateFromJSON``
+
+    - New C API calls: ``qpdf_create_from_json_file``,
+      ``qpdf_create_from_json_data``, ``qpdf_update_from_json_file``,
+      ``qpdf_update_from_json_data``, and ``qpdf_write_json``.
+
+    - Complete documentation can be found at :ref:`json`. A
+      comprehensive list of changes from version 1 to version 2 can be
+      found at :ref:`json-v2-changes`.
+
+  - Build replaced with cmake
+
+    - The old autoconf-based build has been replaced with CMake. CMake
+      version 3.16 or newer is required. For details, please read
+      :ref:`installing` and, if you package qpdf for a distribution,
+      :ref:`packaging`.
+
+    - For the most part, other than being familiar with generally how to
+      build things with cmake, what you need to know to convert your
+      build over is described in :ref:`autoconf-to-cmake`. Here are a
+      few changes in behavior to be aware of:
+
+      - Example sources are installed by default in the documentation
+	directory.
+
+      - The configure options to enable image comparison and large file
+	tests have been replaced by environment variables. The old
+	options set environment variables behind the scenes. Before, to
+	skip image tests, you had to set
+	``QPDF_SKIP_TEST_COMPARE_IMAGES=1``, which was done by default.
+	Now these are off by default, and you have to set
+	``QPDF_TEST_COMPARE_IMAGES=1`` to enable them.
+
+      - In the default configuration, the native crypto provider is only
+	selected when explicitly requested or when there are no other
+	options. See :ref:`crypto.build` for a detailed discussion.
+
+      - Windows external libraries are detected by default if the
+	:file:`external-libraries` directory is found. Static libraries
+	for zlib, libjpeg, and openssl are provided as described in
+	:file:`README-windows.md`. They are only compatible with
+	non-debug builds.
+
+      - A new directory called ``pkg-tests`` has been added which
+	contains short shell scripts that can be used to smoke test an
+	installed qpdf package. These are used by the debian
+	``autopkgtest`` framework but can be used by others. See
+	:file:`pkg-test/README.md` for details.
+
+  - Performance improvements
+
+    - Many performance enhancements have been added. In developer
+      performance benchmarks, gains on the order of 20% have been
+      observed. Most of that work, including major optimization of
+      qpdf's lexical and parsing layers, was done by M. Holger.
+
+  - CLI: breaking changes
+
+    - The :qpdf:ref:`--show-encryption` flag now provides encryption
+      information even if a correct password is not supplied. If you
+      were relying on its not working in this case, see
+      :qpdf:ref:`--requires-password` for a reliable test.
+
+    - The default json output version when :qpdf:ref:`--json` is
+      specified has been changed from ``1`` to ``latest``, which is
+      now ``2``.
+
+    - The :qpdf:ref:`--allow-weak-crypto` flag is now mandatory when
+      explicitly creating files with weak cryptographic algorithms.
+      See :ref:`weak-crypto` for a discussion.
+
+  - API: breaking changes
+
+    - Deprecate ``QPDFObject.hh`` for removal in qpdf 12. The only use
+      case for including ``qpdf/QPDFObject.hh`` was to get
+      ``QPDFObject::object_type_e``. Since 10.5.0, this has been an
+      alias to ``qpdf_object_type_e``, defined in
+      ``qpdf/Constants.h``. To fix your code, replace any includes of
+      ``qpdf/QPDFObject.hh`` with ``qpdf/Constants.h``, and replace
+      all occurrences of ``QPDFObject::ot_`` with ``::ot_``. If you
+      need your code to be backward compatible to qpdf versions prior
+      to 10.5.0, you can check that the preprocessor symbol
+      ``QPDF_MAJOR_VERSION`` is defined and ``>= 11``. As a stop-gap,
+      you can ``#define QPDF_OBJECT_NOWARN`` to suppress the warning.
+
+    - ``Pipeline::write`` now takes ``unsigned char const*`` instead
+      of ``unsigned char*``. Callers don't need to change anything,
+      but you no longer have to pass writable pointers to pipelines.
+      If you've implemented your own pipeline classes, you will need
+      to update them.
+
+    - Remove deprecated
+      ``QPDFAcroFormDocumentHelper::copyFieldsFromForeignPage``. This
+      method never worked and only did something in qpdf version
+      10.2.x.
+
+    - Remove deprecated ``QPDFNameTreeObjectHelper`` and
+      ``QPDFNumberTreeObjectHelper`` constructors that don't take a
+      ``QPDF&`` argument.
+
+    - The function passed to and called by ``QPDFJob::doIfVerbose``
+      now takes a ``Pipeline&`` argument instead of a
+      ``std::ostream&`` argument.
+
+    - Intentionally break API to call attention to operations that
+      write files with insecure encryption:
+
+      - Remove pre qpdf-8.4.0 encryption API methods from ``QPDFWriter``
+        and their corresponding C API functions
+
+      - Add ``Insecure`` to the names of some ``QPDFWriter`` methods
+        and ``_insecure`` to the names of some C API functions without
+        otherwise changing their behavior
+
+      - See :ref:`breaking-crypto-api` for specific details, and see
+        :ref:`weak-crypto` for a general discussion.
+
+    - ``QPDFObjectHandle::warnIfPossible`` no longer takes an optional
+      argument to throw an exception if there is no description. If
+      there is no description, it writes to the default
+      ``QPDFLogger``'s error stream. (``QPDFLogger`` is new in qpdf
+      11---see below.)
+
+    - ``QPDF`` objects can no longer be copied or assigned to. It has
+      never been safe to do this because of assumptions made by
+      library code. Now it is prevented by the API. If you run into
+      trouble, use ``QPDF::create()`` to create ``QPDF`` shared
+      pointers (or create them in some other way if you need backward
+      compatibility with older qpdf versions).
+
+  - CLI Enhancements
+
+    - ``qpdf --list-attachments --verbose`` includes some additional
+      information about attachments. Additional information about
+      attachments is also included in the ``attachments`` JSON key
+      with ``--json``.
+
+    - For encrypted files, ``qpdf --json`` reveals the user password
+      when the specified password did not match the user password and
+      the owner password was used to recover the user password. The
+      user password is not recoverable from the owner password when
+      256-bit keys are in use.
+
+    - ``--verbose`` and ``--progress`` may be now used when writing
+      the output PDF to standard output. In that case, the verbose and
+      progress messages are written to standard error.
+
+  - Library Enhancements
+
+    - A new object ``QPDFLogger`` has been added. Details are in
+      :file:`include/qpdf/QPDFLogger.hh`.
+
+      - ``QPDF`` and ``QPDFJob`` both use the default logger by
+        default but can have their loggers overridden. The
+        ``setOutputStreams`` method is deprecated in both classes.
+
+      - A few things from ``QPDFObjectHandle`` that used to be
+        exceptions now write errors with the default logger.
+
+      - By configuring the default logger, it is possible to capture
+        output and errors that slipped through the cracks with
+        ``setOutputStreams``.
+
+      - A C API is available in :file:`include/qpdf/qpdflogger-c.h`.
+
+      - See examples :file:`examples/qpdfjob-save-attachment.cc` and
+        :file:`examples/qpdfjob-c-save-attachment.cc`.
+
+    - In ``QPDFObjectHandle``, new methods ``insertItemAndGetNew``,
+      ``appendItemAndGetNew``, and ``replaceKeyAndGetNew`` return the
+      newly added item. New methods ``eraseItemAndGetOld``,
+      ``replaceKeyAndGetOld``, and ``removeKeyAndGetOld`` return the
+      item that was just removed or, in the case of
+      ``replaceKeyAndGetOld``, a ``null`` object if the object was not
+      previously there.
+
+    - The ``QPDFObjectHandle::isDestroyed`` method can be used to
+      detect when an indirect object ``QPDFObjectHandle`` belongs to a
+      ``QPDF`` that has been destroyed. Any attempt to unparse this
+      type of ``QPDFObjectHandle`` will throw a logic error.
+
+    - The ``QPDFObjectHandle::getOwningQPDF`` method now returns a
+      null pointer rather than an invalid pointer when the owning
+      ``QPDF`` object has been destroyed. Indirect objects whose
+      owning ``QPDF`` has been destroyed become invalid. Direct
+      objects just lose their owning ``QPDF`` but continue to be
+      valid.
+
+    - The method ``QPDFObjectHandle::getQPDF`` is an alternative to
+      ``QPDFObjectHandle::getOwningQPDF``. It returns a ``QPDF&``
+      rather than a ``QPDF*`` and can be used when the object is known
+      to have an owning ``QPDF``. It throws an exception if the object
+      does not have an owning ``QPDF``. Only indirect objects are
+      guaranteed to have an owning ``QPDF``. Direct objects may have
+      one if they were initially read from a PDF input source that is
+      still valid, but it's also possible to have direct objects that
+      don't have an owning ``QPDF``.
+
+    - Add method ``QPDFObjectHandle::isSameObjectAs`` for testing
+      whether two ``QPDFObjectHandle`` objects point to the same
+      underlying object, meaning changes to one will be reflected in
+      the other. Note that this method does not compare the contents
+      of the objects, so two distinct but structurally identical
+      objects will not be considered the same object.
+
+    - New factory method ``QPDF::create()`` returns a
+      ``std::shared_ptr<QPDF>``.
+
+    - New ``Pipeline`` methods have been added to reduce the amount of
+      casting that is needed:
+
+      - ``write``: overloaded version that takes ``char const*`` in
+        addition to the one that takes ``unsigned char const*``
+
+      - ``writeCstr``: writes a null-terminated C string
+
+      - ``writeString``: writes a std::string
+
+      - ``operator <<``: for null-terminated C strings, std::strings,
+        and integer types
+
+    - New ``Pipeline`` type ``Pl_OStream`` writes to a
+      ``std::ostream``.
+
+    - New ``Pipeline`` type ``Pl_String`` appends to a
+      ``std::string``.
+
+    - New ``Pipeline`` type ``Pl_Function`` can be used to call an
+      arbitrary function on write. It supports ``std::function`` for
+      C++ code and can also accept C-style functions that indicate
+      success using a return value and take an extra parameter for
+      passing user data.
+
+    - Methods have been added to ``QUtil`` for converting PDF
+      timestamps and ``QPDFTime`` objects to ISO-8601 timestamps.
+
+    - Enhance JSON class to better support incrementally reading and
+      writing large amounts of data without having to keep everything
+      in memory.
+
+    - Add new functions to the C API for ``qpdfjob`` that use a
+      ``qpdfjob_handle``. Like with the regular C API for qpdf, you
+      have to call ``qpdfjob_init`` first, pass the handle to the
+      functions, and call ``qpdfjob_cleanup`` at the end. This
+      interface offers more flexibility than the old interface, which
+      remains available.
+
+    - Add ``QPDFJob::registerProgressReporter`` and
+      ``qpdfjob_register_progress_reporter`` to allow a custom
+      progress reporter to be used with ``QPDFJob``. The ``QPDFJob``
+      object must be configured to report progress (via command-line
+      argument or otherwise) for this to be used.
+
+    - Add new overloads to
+      ``QPDFObjectHandle::StreamDataProvider::provideStreamData`` that
+      take ``QPDFObjGen const&`` instead of separate object ID and
+      generation parameters. The old versions will continue to be
+      supported and are not deprecated.
+
+    - In ``QPDFPageObjectHelper``, add a ``copy_if_fallback``
+      parameter to most of the page bounding box methods, and clarify
+      in the comments about the difference between ``copy_if_shared``
+      and ``copy_if_fallback``.
+
+    - Add a move constructor to the ``Buffer`` class.
+
+  - Other changes
+
+    - On GitHub, the release tags are now `vX.Y.Z` instead of
+      `release-qpdf-X.Y.Z` to be more consistent with current practice.
+
+    - In JSON v1 mode, the ``"objects"`` key now reflects the repaired
+      pages tree if ``"pages"`` (or any other key that has the side
+      effect of repairing the page tree) is specified. To see the
+      original objects with any unrepaired page tree errors, specify
+      ``"objects"`` and/or ``"objectinfo"`` by themselves. This is
+      consistent with how JSON v2 behaves.
+
+    - A new chapter on contributing to qpdf has been added to the
+      documentation. See :ref:`contributing`.
+
+    - The qpdf source code is now formatted automatically with
+      ``clang-format``. See :ref:`code-formatting` for information.
+
+    - Test coverage with ``QTC`` is enabled during development but
+      compiled out of distributed qpdf binaries by default. This
+      results in a significant performance improvement, especially on
+      Windows. ``QTC::TC`` is still available in the library and is
+      still usable by end user code even though calls to it made
+      internally by the library are turned off. Internally, there is
+      some additional caching to reduce the overhead of repeatedly
+      reading environment variables at runtime.
+
+    - The test files used by the ``performance_check`` script at the
+      top of the repository are now available in the
+      `qpdf/performance-test-files github repository
+      <https://github.com/qpdf/performance-test-files>`__. In addition
+      to running time, memory usage is also included in performance
+      test results when available. The ``performance_check`` tool has
+      only been tested on Linux.
+
+    - Lots of code cleanup and refactoring work was contributed in
+      multiple pull requests by M. Holger. This includes the work
+      required to enable detection of ``QPDFObjectHandle`` objects
+      that belong to destroyed ``QPDF`` objects.
+
+10.6.3: March 8, 2022
+  - Announcement of upcoming change:
+
+    - qpdf 11 will be built with cmake. The qpdf 11 documentation will
+      include detailed migration instructions.
+
+  - Bug fixes:
+
+    - Recognize strings explicitly encoded as UTF-8 as allowed by the
+      PDF 2.0 spec.
+
+    - Fix edge cases with appearance stream generation for form fields
+      whose ``/DA`` field lacks proper font size specification or that
+      specifies auto sizing. At this time, qpdf does not support auto
+      sizing.
+
+    - Minor, non-functional changes to build and documentation to
+      accommodate a wider range of compilation environments in
+      preparation for migration to cmake.
+
+10.6.2: February 16, 2022
+  - Bug fixes:
+
+    - Recognize strings encoded as UTF-16LE as Unicode. The PDF spec
+      only allows UTF-16BE, but most readers accept UTF16-LE as well.
+
+    - Fix a regression in command-line argument parsing to restore a
+      previously undocumented behavior that some people were relying
+      on.
+
+    - Fix one more problem with mapping Unicode to PDF doc encoding
+
+10.6.1: February 11, 2022
+  - Fix compilation errors on some platforms
+
+10.6.0: February 9, 2022
+  - Preparation for replacement of ``PointerHolder``
+
+    The next major release of qpdf will replace ``PointerHolder`` with
+    ``std::shared_ptr`` across all of qpdf's public API. No action is
+    required at this time, but if you'd like to prepare, read the
+    comments in :file:`include/qpdf/PointerHolder.hh` and see
+    :ref:`smart-pointers` for details on what you can do now to create
+    code that will continue to work with older versions of qpdf and be
+    easier to switch over to qpdf 11 when it comes out.
+
+  - Preparation for a new JSON output version
+
+    - The :qpdf:ref:`--json` option takes an optional parameter
+      indicating the version of the JSON output. At present, there is
+      only one JSON version (``1``), but there are plans for an
+      updated version in a coming release. Until the release of qpdf
+      11, the default value of ``--json`` is ``1`` for compatibility.
+      Once qpdf 11 is out, the default version will be ``latest``. If
+      you are depending on the exact format of ``--json`` for code,
+      you should start using ``--json=1`` in preparation.
+
+  - New QPDFJob API exposes CLI functionality
+
+    Prior to qpdf 10.6, a lot of the functionality implemented by the
+    qpdf CLI executable was built into the executable itself and not
+    available from the library. qpdf 10.6 introduces a new object,
+    ``QPDFJob``, that exposes all of the command-line functionality.
+    This includes a native ``QPDFJob`` API with fluent interfaces that
+    mirror the command-line syntax, a JSON syntax for specifying the
+    equivalent of a command-line invocation, and the ability to run a
+    qpdf "job" by passing a null-terminated array of qpdf command-line
+    options. The command-line argument array and JSON methods of
+    invoking ``QPDFJob`` are also exposed to the C API. For details,
+    see :ref:`qpdf-job`.
+
+  - Other Library Enhancements
+
+    - New ``QPDFObjectHandle`` literal syntax using C++'s user-defined
+      literal syntax. You can use
+
+      .. code-block:: c++
+
+         auto oh = "<</Some (valid) /PDF (object)>>"_qpdf;
+
+      to create a QPDFObjectHandle. It is a shorthand for
+      ``QPDFObjectHandle::parse``.
+
+    - Preprocessor symbols ``QPDF_MAJOR_VERSION``,
+      ``QPDF_MINOR_VERSION``, and ``QPDF_PATCH_VERSION`` are now
+      available and can be used to make it easier to write code that
+      supports multiple versions of qpdf. You don't have to include
+      any new header files to get these, which makes it possible to
+      write code like this:
+
+      .. code-block:: c++
+
+         #if !defined(QPDF_MAJOR_VERSION) || QPDF_MAJOR_VERSION < 11
+             // do something using qpdf 10 or older API
+         #else
+             // do something using qpdf 11 or newer API
+         #endif
+
+      Since this was introduced only in qpdf version 10.6.0, testing
+      for an undefined value of ``QPDF_MAJOR_VERSION`` is equivalent
+      to detecting a version prior to 10.6.0.
+
+      The symbol ``QPDF_VERSION`` is also defined as a string
+      containing the same version number that is returned by
+      ``QPDF::QPDFVersion``. Note that ``QPDF_VERSION`` may differ
+      from ``QPDF::QPDFVersion()`` if your header files and library
+      are out of sync with each other.
+
+    - The method ``QPDF::QPDFVersion`` and corresponding C API call
+      ``qpdf_get_qpdf_version`` are now both guaranteed to return a
+      reference (or pointer) to a static string, so you don't have to
+      copy these if you are using them in your software. They have
+      always returned static values. Now the fact that they return
+      static values is part of the API contract and can be safely
+      relied upon.
+
+    - New accessor methods for ``QPDFObjectHandle``. In addition to
+      the traditional ones, such as ``getIntValue``, ``getName``,
+      etc., there are a family of new accessors whose names are of the
+      form ``getValueAsX``. The difference in behavior is as follows:
+
+      - The older accessor methods, which will continue to be
+        supported, return the value of the object if it is the
+        expected type. Otherwise, they return a fallback value and
+        issue a warning.
+
+      - The newer accessor methods return a boolean indicating whether
+        or not the object is of the expected type. If it is, a
+        reference to a variable of the correct type is initialized.
+
+      In many cases, the new interfaces will enable more compact code
+      and will also never generate type warnings. Thanks to M. Holger
+      for contributing these accessors. Search for ``getValueAs`` in
+      :file:`include/qpdf/QPDFObjectHandle.hh` for a complete list.
+
+      These are also exposed in the C API in functions whose names
+      start with ``qpdf_oh_get_value_as``.
+
+    - New convenience methods in ``QPDFObjectHandle``:
+      ``isDictionaryOfType``, ``isStreamOfType``, and
+      ``isNameAndEquals`` allow more compact querying of dictionaries.
+      Also added to the C API: ``qpdf_oh_is_dictionary_of_type`` and
+      ``qpdf_oh_is_name_and_equals``. Thanks to M. Holger for the
+      contribution.
+
+    - New convenience method in ``QPDFObjectHandle``: ``getKeyIfDict``
+      returns null when called on null and otherwise calls ``getKey``.
+      This makes it easier to access optional, lower-level
+      dictionaries. It is exposed in the C API
+      ``qpdf_oh_get_key_if_dict``. Thanks to M. Holger for the
+      contribution.
+
+    - New functions added to ``QUtil``: ``make_shared_cstr`` and
+      ``make_unique_cstr`` copy ``std::string`` to
+      ``std::shared_ptr<char>`` and ``std::unique_ptr<char>``. These
+      are alternatives to the existing ``QUtil::copy_string`` function
+      which offer other ways to get a C string with safer memory
+      management.
+
+    - New function ``QUtil::file_can_be_opened`` tests to see whether
+      a file can actually be opened by attempting to open it and close
+      it again.
+
+    - There is a new version of ``QUtil::call_main_from_wmain`` that
+      takes a ``const`` argv array and calls a main that takes a
+      ``const`` argv array.
+
+    - ``QPDF::emptyPDF`` has been exposed to the C API as
+      ``qpdf_empty_pdf``. This makes it possible to create a PDF from
+      scratch with the C API.
+
+    - New C API functions ``qpdf_oh_get_binary_utf8_value`` and
+      ``qpdf_oh_new_binary_unicode_string`` take length parameters,
+      which makes it possible to handle UTF-8-encoded C strings with
+      embedded NUL characters. Thanks to M. Holger for the
+      contribution.
+
+    - There is a new ``PDFVersion`` class for representing a PDF
+      version number with the ability to compare and order PDF
+      versions. Methods ``QPDF::getVersionAsPDFVersion`` and a new
+      version of ``QPDFWriter::setMinimumPDFVersion`` use it. This
+      makes it easier to create an output file whose PDF version is
+      the maximum of the versions across all the input files that
+      contributed to it.
+
+    - The ``JSON`` object in the qpdf library has been enhanced to
+      include a parser and the ability to get values out of the
+      ``JSON`` object. Previously it was a write-only interface. Even
+      so, qpdf's ``JSON`` object is not intended to be a
+      general-purpose JSON implementation as discussed in
+      :file:`include/qpdf/JSON.hh`.
+
+    - The ``JSON`` object's "schema" checking functionality now allows
+      for optional keys. Note that this "schema" functionality doesn't
+      conform to any type of standard. It's just there to help with
+      error reporting with qpdf's own JSON support.
+
+  - Documentation Enhancements
+
+    - Documentation for the command-line tool has been completely
+      rewritten. This includes a top-to-bottom rewrite of :ref:`using`
+      in the manual. Command-line arguments are now indexed, and
+      internal links can appear to them within the documentation.
+
+    - The output of ``qpdf --help`` is generated from the manual and
+      is divided into help topics that parallel the sections of the
+      manual. When you run ``qpdf --help``, instead of getting a Great
+      Wall of Text, you are given basic usage information and a list
+      of help topics. It is possible to request help for any
+      individual topic or any specific command-line option, or you can
+      get a dump of all available help text. The manual continues to
+      contain a greater level of detail and more examples.
+
+  - Bug Fixes
+
+    - Some characters were not correctly translated from PDF doc
+      encoding to Unicode.
+
+    - When splitting or combining pages, ensure that all output files
+      have a PDF version greater than or equal to the maximum version
+      of all the input files.
+
+10.5.0: December 21, 2021
+  - Packaging changes
+
+    - Pre-built documentation is no longer distributed with the source
+      distribution. The AppImage and Windows binary distributions
+      still contain embedded documentation, and a separate ``doc``
+      distribution file is available from the qpdf release site.
+      Documentation is now available at `https://qpdf.readthedocs.io
+      <https://qpdf.readthedocs.io>`__ for every major/minor version
+      starting with version 10.5. Please see :ref:`packaging-doc` for
+      details on how packagers should handle documentation.
+
+    - The documentation sources have been switched from docbook to
+      reStructuredText processed with `Sphinx
+      <https://www.sphinx-doc.org>`__. This will break previous
+      documentation links. A redirect is in place on the main website.
+      A top-to-bottom review of the documentation is planned for an
+      upcoming release.
+
+  - Library Enhancements
+
+    - Since qpdf version 8, using object accessor methods on an
+      instance of ``QPDFObjectHandle`` may create warnings if the
+      object is not of the expected type. These warnings now have an
+      error code of ``qpdf_e_object`` instead of
+      ``qpdf_e_damaged_pdf``. Also, comments have been added to
+      :file:`QPDFObjectHandle.hh` to explain in more detail what the
+      behavior is. See :ref:`object-accessors` for a more in-depth
+      discussion.
+
+    - Add ``Pl_Buffer::getMallocBuffer()`` to initialize a buffer
+      allocated with ``malloc()`` for better cross-language
+      interoperability.
+
+  - C API Enhancements
+
+    - Many thanks to M. Holger whose contributions have heavily
+      influenced these C API enhancements. His several suggestions,
+      pull requests, questions, and critical reading of documentation
+      and comments have resulted in significant usability improvements
+      to the C API.
+
+    - Overhaul error handling for the object handle functions C API.
+      Some rare error conditions that would previously have caused a
+      crash are now trapped and reported, and the functions that
+      generate them return fallback values. See comments in the
+      ``ERROR HANDLING`` section of :file:`include/qpdf/qpdf-c.h` for
+      details. In particular, exceptions thrown by the underlying C++
+      code when calling object accessors are caught and converted into
+      errors. The errors can be checked by calling ``qpdf_has_error``.
+      Use ``qpdf_silence_errors`` to prevent the error from being
+      written to stderr.
+
+    - Add ``qpdf_get_last_string_length`` to the C API to get the
+      length of the last string that was returned. This is needed to
+      handle strings that contain embedded null characters.
+
+    - Add ``qpdf_oh_is_initialized`` and
+      ``qpdf_oh_new_uninitialized`` to the C API to make it possible
+      to work with uninitialized objects.
+
+    - Add ``qpdf_oh_new_object`` to the C API. This allows you to
+      clone an object handle.
+
+    - Add ``qpdf_get_object_by_id``, ``qpdf_make_indirect_object``,
+      and ``qpdf_replace_object``, exposing the corresponding methods
+      in ``QPDF`` and ``QPDFObjectHandle``.
+
+    - Add several functions for working with pages. See ``PAGE
+      FUNCTIONS`` in ``include/qpdf/qpdf-c.h`` for details.
+
+    - Add several functions for working with streams. See ``STREAM
+      FUNCTIONS`` in ``include/qpdf/qpdf-c.h`` for details.
+
+    - Add ``qpdf_oh_get_type_code`` and ``qpdf_oh_get_type_name``.
+
+    - Add ``qpdf_oh_get_binary_string_value`` and
+      ``qpdf_oh_new_binary_string`` for making it easier to deal with
+      strings that contain embedded null characters.
+
+10.4.0: November 16, 2021
+  - Handling of Weak Cryptography Algorithms
+
+    - From the qpdf CLI, the
+      :qpdf:ref:`--allow-weak-crypto` is now required to
+      suppress a warning when explicitly creating PDF files using RC4
+      encryption. While qpdf will always retain the ability to read
+      and write such files, doing so will require explicit
+      acknowledgment moving forward. For qpdf 10.4, this change only
+      affects the command-line tool. Starting in qpdf 11, there will
+      be small API changes to require explicit acknowledgment in
+      those cases as well. For additional information, see :ref:`weak-crypto`.
+
+  - Bug Fixes
+
+    - Fix potential bounds error when handling shell completion that
+      could occur when given bogus input.
+
+    - Properly handle overlay/underlay on completely empty pages
+      (with no resource dictionary).
+
+    - Fix crash that could occur under certain conditions when using
+      :qpdf:ref:`--pages` with files that had form
+      fields.
+
+  - Library Enhancements
+
+    - Make ``QPDF::findPage`` functions public.
+
+    - Add methods to ``Pl_Flate`` to be able to receive warnings on
+      certain recoverable conditions.
+
+    - Add an extra check to the library to detect when foreign
+      objects are inserted directly (instead of using
+      ``QPDF::copyForeignObject``) at the time of insertion rather
+      than when the file is written. Catching the error sooner makes
+      it much easier to locate the incorrect code.
+
+  - CLI Enhancements
+
+    - Improve diagnostics around parsing
+      :qpdf:ref:`--pages` command-line options
+
+  - Packaging Changes
+
+    - The Windows binary distribution is now built with crypto
+      provided by OpenSSL 3.0.
+
+10.3.2: May 8, 2021
+  - Bug Fixes
+
+    - When generating a file while preserving object streams,
+      unreferenced objects are correctly removed unless
+      :qpdf:ref:`--preserve-unreferenced` is specified.
+
+  - Library Enhancements
+
+    - When adding a page that already exists, make a shallow copy
+      instead of throwing an exception. This makes the library
+      behavior consistent with the CLI behavior. See
+      :file:`ChangeLog` for additional notes.
+
+10.3.1: March 11, 2021
+  - Bug Fixes
+
+    - Form field copying failed on files where /DR was a direct
+      object in the document-level form dictionary.
+
+10.3.0: March 4, 2021
+  - Bug Fixes
+
+    - The code for handling form fields when copying pages from
+      10.2.0 was not quite right and didn't work in a number of
+      situations, such as when the same page was copied multiple
+      times or when there were conflicting resource or field names
+      across multiple copies. The 10.3.0 code has been much more
+      thoroughly tested with more complex cases and with a multitude
+      of readers and should be much closer to correct. The 10.2.0
+      code worked well enough for page splitting or for copying pages
+      with form fields into documents that didn't already have them
+      but was still not quite correct in handling of field-level
+      resources.
+
+    - When ``QPDF::replaceObject`` or ``QPDF::swapObjects`` is
+      called, existing ``QPDFObjectHandle`` instances no longer point
+      to the old objects. The next time they are accessed, they
+      automatically notice the change to the underlying object and
+      update themselves. This resolves a very longstanding source of
+      confusion, albeit in a very rarely used method call.
+
+    - Fix form field handling code to look for default appearances,
+      quadding, and default resources in the right places. The code
+      was not looking for things in the document-level interactive
+      form dictionary that it was supposed to be finding there. This
+      required adding a few new methods to
+      ``QPDFFormFieldObjectHelper``.
+
+  - Library Enhancements
+
+    - Reworked the code that handles copying annotations and form
+      fields during page operations. There were additional methods
+      added to the public API from 10.2.0 and a one deprecation of a
+      method added in 10.2.0. The majority of the API changes are in
+      methods most people would never call and that will hopefully be
+      superseded by higher-level interfaces for handling page copies.
+      Please see the :file:`ChangeLog` file for
+      details.
+
+    - The method ``QPDF::numWarnings`` was added so that you can tell
+      whether any warnings happened during a specific block of code.
+
+10.2.0: February 23, 2021
+  - CLI Behavior Changes
+
+    - Operations that work on combining pages are much better about
+      protecting form fields. In particular,
+      :qpdf:ref:`--split-pages` and
+      :qpdf:ref:`--pages` now preserve interaction form
+      functionality by copying the relevant form field information
+      from the original files. Additionally, if you use
+      :qpdf:ref:`--pages` to select only some pages from
+      the original input file, unused form fields are removed, which
+      prevents lots of unused annotations from being retained.
+
+    - By default, :command:`qpdf` no longer allows
+      creation of encrypted PDF files whose user password is
+      non-empty and owner password is empty when a 256-bit key is in
+      use. The :qpdf:ref:`--allow-insecure` option,
+      specified inside the :qpdf:ref:`--encrypt` options,
+      allows creation of such files. Behavior changes in the CLI are
+      avoided when possible, but an exception was made here because
+      this is security-related. qpdf must always allow creation of
+      weird files for testing purposes, but it should not default to
+      letting users unknowingly create insecure files.
+
+  - Library Behavior Changes
+
+    - Note: the changes in this section cause differences in output
+      in some cases. These differences change the syntax of the PDF
+      but do not change the semantics (meaning). I make a strong
+      effort to avoid gratuitous changes in qpdf's output so that
+      qpdf changes don't break people's tests. In this case, the
+      changes significantly improve the readability of the generated
+      PDF and don't affect any output that's generated by simple
+      transformation. If you are annoyed by having to update test
+      files, please rest assured that changes like this have been and
+      will continue to be rare events.
+
+    - ``QPDFObjectHandle::newUnicodeString`` now uses whichever of
+      ASCII, PDFDocEncoding, of UTF-16 is sufficient to encode all
+      the characters in the string. This reduces needless encoding in
+      UTF-16 of strings that can be encoded in ASCII. This change may
+      cause qpdf to generate different output than before when form
+      field values are set using ``QPDFFormFieldObjectHelper`` but
+      does not change the meaning of the output.
+
+    - The code that places form XObjects and also the code that
+      flattens rotations trim trailing zeroes from real numbers that
+      they calculate. This causes slight (but semantically
+      equivalent) differences in generated appearance streams and
+      form XObject invocations in overlay/underlay code or in user
+      code that calls the methods that place form XObjects on a page.
+
+  - CLI Enhancements
+
+    - Add new command line options for listing, saving, adding,
+      removing, and and copying file attachments. See :ref:`attachments` for details.
+
+    - Page splitting and merging operations, as well as
+      :qpdf:ref:`--flatten-rotation`, are better behaved
+      with respect to annotations and interactive form fields. In
+      most cases, interactive form field functionality and proper
+      formatting and functionality of annotations is preserved by
+      these operations. There are still some cases that aren't
+      perfect, such as when functionality of annotations depends on
+      document-level data that qpdf doesn't yet understand or when
+      there are problems with referential integrity among form fields
+      and annotations (e.g., when a single form field object or its
+      associated annotations are shared across multiple pages, a case
+      that is out of spec but that works in most viewers anyway).
+
+    - The option
+      :samp:`--password-file={filename}`
+      can now be used to read the decryption password from a file.
+      You can use ``-`` as the file name to read the password from
+      standard input. This is an easier/more obvious way to read
+      passwords from files or standard input than using
+      :samp:`@file` for this purpose.
+
+    - Add some information about attachments to the JSON output, and
+      added ``attachments`` as an additional JSON key. The
+      information included here is limited to the preferred name and
+      content stream and a reference to the file spec object. This is
+      enough detail for clients to avoid the hassle of navigating a
+      name tree and provides what is needed for basic enumeration and
+      extraction of attachments. More detailed information can be
+      obtained by following the reference to the file spec object.
+
+    - Add numeric option to :qpdf:ref:`--collate`. If
+      :samp:`--collate={n}`
+      is given, take pages in groups of
+      :samp:`{n}` from the given files.
+
+    - It is now valid to provide :samp:`--rotate=0`
+      to clear rotation from a page.
+
+  - Library Enhancements
+
+    - This release includes numerous additions to the API. Not all
+      changes are listed here. Please see the
+      :file:`ChangeLog` file in the source
+      distribution for a comprehensive list. Highlights appear below.
+
+    - Add ``QPDFObjectHandle::ditems()`` and
+      ``QPDFObjectHandle::aitems()`` that enable C++-style iteration,
+      including range-for iteration, over dictionary and array
+      QPDFObjectHandles. See comments in
+      :file:`include/qpdf/QPDFObjectHandle.hh`
+      and
+      :file:`examples/pdf-name-number-tree.cc`
+      for details.
+
+    - Add ``QPDFObjectHandle::copyStream`` for making a copy of a
+      stream within the same ``QPDF`` instance.
+
+    - Add new helper classes for supporting file attachments, also
+      known as embedded files. New classes are
+      ``QPDFEmbeddedFileDocumentHelper``,
+      ``QPDFFileSpecObjectHelper``, and ``QPDFEFStreamObjectHelper``.
+      See their respective headers for details and
+      :file:`examples/pdf-attach-file.cc` for an
+      example.
+
+    - Add a version of ``QPDFObjectHandle::parse`` that takes a
+      ``QPDF`` pointer as context so that it can parse strings
+      containing indirect object references. This is illustrated in
+      :file:`examples/pdf-attach-file.cc`.
+
+    - Re-implement ``QPDFNameTreeObjectHelper`` and
+      ``QPDFNumberTreeObjectHelper`` to be more efficient, add an
+      iterator-based API, give them the capability to repair broken
+      trees, and create methods for modifying the trees. With this
+      change, qpdf has a robust read/write implementation of name and
+      number trees.
+
+    - Add new versions of ``QPDFObjectHandle::replaceStreamData``
+      that take ``std::function`` objects for cases when you need
+      something between a static string and a full-fledged
+      StreamDataProvider. Using this with ``QUtil::file_provider`` is
+      a very easy way to create a stream from the contents of a file.
+
+    - The ``QPDFMatrix`` class, formerly a private, internal class,
+      has been added to the public API. See
+      :file:`include/qpdf/QPDFMatrix.hh` for
+      details. This class is for working with transformation
+      matrices. Some methods in ``QPDFPageObjectHelper`` make use of
+      this to make information about transformation matrices
+      available. For an example, see
+      :file:`examples/pdf-overlay-page.cc`.
+
+    - Several new methods were added to
+      ``QPDFAcroFormDocumentHelper`` for adding, removing, getting
+      information about, and enumerating form fields.
+
+    - Add method
+      ``QPDFAcroFormDocumentHelper::transformAnnotations``, which
+      applies a transformation to each annotation on a page.
+
+    - Add ``QPDFPageObjectHelper::copyAnnotations``, which copies
+      annotations and, if applicable, associated form fields, from
+      one page to another, possibly transforming the rectangles.
+
+  - Build Changes
+
+    - A C++-14 compiler is now required to build qpdf. There is no
+      intention to require anything newer than that for a while.
+      C++-14 includes modest enhancements to C++-11 and appears to be
+      supported about as widely as C++-11.
+
+  - Bug Fixes
+
+    - The :qpdf:ref:`--flatten-rotation` option applies
+      transformations to any annotations that may be on the page.
+
+    - If a form XObject lacks a resources dictionary, consider any
+      names in that form XObject to be referenced from the containing
+      page. This is compliant with older PDF versions. Also detect if
+      any form XObjects have any unresolved names and, if so, don't
+      remove unreferenced resources from them or from the page that
+      contains them. Unfortunately this has the side effect of
+      preventing removal of unreferenced resources in some cases
+      where names appear that don't refer to resources, such as with
+      tagged PDF. This is a bit of a corner case that is not likely
+      to cause a significant problem in practice, but the only side
+      effect would be lack of removal of shared resources. A future
+      version of qpdf may be more sophisticated in its detection of
+      names that refer to resources.
+
+    - Properly handle strings if they appear in inline image
+      dictionaries while externalizing inline images.
+
+10.1.0: January 5, 2021
+  - CLI Enhancements
+
+    - Add :qpdf:ref:`--flatten-rotation` command-line
+      option, which causes all pages that are rotated using
+      parameters in the page's dictionary to instead be identically
+      rotated in the page's contents. The change is not user-visible
+      for compliant PDF readers but can be used to work around broken
+      PDF applications that don't properly handle page rotation.
+
+  - Library Enhancements
+
+    - Support for user-provided (pluggable, modular) stream filters.
+      It is now possible to derive a class from ``QPDFStreamFilter``
+      and register it with ``QPDF`` so that regular library methods,
+      including those used by ``QPDFWriter``, can decode streams with
+      filters not directly supported by the library. The example
+      :file:`examples/pdf-custom-filter.cc`
+      illustrates how to use this capability.
+
+    - Add methods to ``QPDFPageObjectHelper`` to iterate through
+      XObjects on a page or form XObjects, possibly recursing into
+      nested form XObjects: ``forEachXObject``, ``ForEachImage``,
+      ``forEachFormXObject``.
+
+    - Enhance several methods in ``QPDFPageObjectHelper`` to work
+      with form XObjects as well as pages, as noted in comments. See
+      :file:`ChangeLog` for a full list.
+
+    - Rename some functions in ``QPDFPageObjectHelper``, while
+      keeping old names for compatibility:
+
+      - ``getPageImages`` to ``getImages``
+
+      - ``filterPageContents`` to ``filterContents``
+
+      - ``pipePageContents`` to ``pipeContents``
+
+      - ``parsePageContents`` to ``parseContents``
+
+    - Add method ``QPDFPageObjectHelper::getFormXObjects`` to return
+      a map of form XObjects directly on a page or form XObject
+
+    - Add new helper methods to ``QPDFObjectHandle``:
+      ``isFormXObject``, ``isImage``
+
+    - Add the optional ``allow_streams`` parameter
+      ``QPDFObjectHandle::makeDirect``. When
+      ``QPDFObjectHandle::makeDirect`` is called in this way, it
+      preserves references to streams rather than throwing an
+      exception.
+
+    - Add ``QPDFObjectHandle::setFilterOnWrite`` method. Calling this
+      on a stream prevents ``QPDFWriter`` from attempting to
+      uncompress, recompress, or otherwise filter a stream even if it
+      could. Developers can use this to protect streams that are
+      optimized should be protected from ``QPDFWriter``'s default
+      behavior for any other reason.
+
+    - Add ``ostream`` ``<<`` operator for ``QPDFObjGen``. This is
+      useful to have for debugging.
+
+    - Add method ``QPDFPageObjectHelper::flattenRotation``, which
+      replaces a page's ``/Rotate`` keyword by rotating the page
+      within the content stream and altering the page's bounding
+      boxes so the rendering is the same. This can be used to work
+      around buggy PDF readers that can't properly handle page
+      rotation.
+
+  - C API Enhancements
+
+    - Add several new functions to the C API for working with
+      objects. These are wrappers around many of the methods in
+      ``QPDFObjectHandle``. Their inclusion adds considerable new
+      capability to the C API.
+
+    - Add ``qpdf_register_progress_reporter`` to the C API,
+      corresponding to ``QPDFWriter::registerProgressReporter``.
+
+  - Performance Enhancements
+
+    - Improve steps ``QPDFWriter`` takes to prepare a ``QPDF`` object
+      for writing, resulting in about an 8% improvement in write
+      performance while allowing indirect objects to appear in
+      ``/DecodeParms``.
+
+    - When extracting pages, the :command:`qpdf` CLI
+      only removes unreferenced resources from the pages that are
+      being kept, resulting in a significant performance improvement
+      when extracting small numbers of pages from large, complex
+      documents.
+
+  - Bug Fixes
+
+    - ``QPDFPageObjectHelper::externalizeInlineImages`` was not
+      externalizing images referenced from form XObjects that
+      appeared on the page.
+
+    - ``QPDFObjectHandle::filterPageContents`` was broken for pages
+      with multiple content streams.
+
+    - Tweak zsh completion code to behave a little better with
+      respect to path completion.
+
+10.0.4: November 21, 2020
+  - Bug Fixes
+
+    - Fix a handful of integer overflows. This includes cases found
+      by fuzzing as well as having qpdf not do range checking on
+      unused values in the xref stream.
+
+10.0.3: October 31, 2020
+  - Bug Fixes
+
+    - The fix to the bug involving copying streams with indirect
+      filters was incorrect and introduced a new, more serious bug.
+      The original bug has been fixed correctly, as has the bug
+      introduced in 10.0.2.
+
+10.0.2: October 27, 2020
+  - Bug Fixes
+
+    - When concatenating content streams, as with
+      :qpdf:ref:`--coalesce-contents`, there were cases
+      in which qpdf would merge two lexical tokens together, creating
+      invalid results. A newline is now inserted between merged
+      content streams if one is not already present.
+
+    - Fix an internal error that could occur when copying foreign
+      streams whose stream data had been replaced using a stream data
+      provider if those streams had indirect filters or decode
+      parameters. This is a rare corner case.
+
+    - Ensure that the caller's locale settings do not change the
+      results of numeric conversions performed internally by the qpdf
+      library. Note that the problem here could only be caused when
+      the qpdf library was used programmatically. Using the qpdf CLI
+      already ignored the user's locale for numeric conversion.
+
+    - Fix several instances in which warnings were not suppressed in
+      spite of :qpdf:ref:`--no-warn` and/or errors or
+      warnings were written to standard output rather than standard
+      error.
+
+    - Fixed a memory leak that could occur under specific
+      circumstances when
+      :samp:`--object-streams=generate` was used.
+
+    - Fix various integer overflows and similar conditions found by
+      the OSS-Fuzz project.
+
+  - Enhancements
+
+    - New option :qpdf:ref:`--warning-exit-0` causes qpdf
+      to exit with a status of ``0`` rather than ``3`` if there are
+      warnings but no errors. Combine with
+      :qpdf:ref:`--no-warn` to completely ignore
+      warnings.
+
+    - Performance improvements have been made to
+      ``QPDF::processMemoryFile``.
+
+    - The OpenSSL crypto provider produces more detailed error
+      messages.
+
+  - Build Changes
+
+    - The option :samp:`--disable-rpath` is now
+      supported by qpdf's :command:`./configure`
+      script. Some distributions' packaging standards recommended the
+      use of this option.
+
+    - Selection of a printf format string for ``long long`` has
+      been moved from ``ifdefs`` to an autoconf
+      test. If you are using your own build system, you will need to
+      provide a value for ``LL_FMT`` in
+      :file:`libqpdf/qpdf/qpdf-config.h`, which
+      would typically be ``"%lld"`` or, for some Windows compilers,
+      ``"%I64d"``.
+
+    - Several improvements were made to build-time configuration of
+      the OpenSSL crypto provider.
+
+    - A nearly stand-alone Linux binary zip file is now included with
+      the qpdf release. This is built on an older (but supported)
+      Ubuntu LTS release, but would work on most reasonably recent
+      Linux distributions. It contains only the executables and
+      required shared libraries that would not be present on a
+      minimal system. It can be used for including qpdf in a minimal
+      environment, such as a docker container. The zip file is also
+      known to work as a layer in AWS Lambda.
+
+    - QPDF's automated build has been migrated from Azure Pipelines
+      to GitHub Actions.
+
+  - Windows-specific Changes
+
+    - The Windows executables distributed with qpdf releases now use
+      the OpenSSL crypto provider by default. The native crypto
+      provider is also compiled in and can be selected at runtime
+      with the ``QPDF_CRYPTO_PROVIDER`` environment variable.
+
+    - Improvements have been made to how a cryptographic provider is
+      obtained in the native Windows crypto implementation. However
+      mostly this is shadowed by OpenSSL being used by default.
+
+10.0.1: April 9, 2020
+  - Bug Fixes
+
+    - 10.0.0 introduced a bug in which calling
+      ``QPDFObjectHandle::getStreamData`` on a stream that can't be
+      filtered was returning the raw data instead of throwing an
+      exception. This is now fixed.
+
+    - Fix a bug that was preventing qpdf from linking with some
+      versions of clang on some platforms.
+
+  - Enhancements
+
+    - Improve the :file:`pdf-invert-images`
+      example to avoid having to load all the images into RAM at the
+      same time.
+
+10.0.0: April 6, 2020
+  - Performance Enhancements
+
+    - The qpdf library and executable should run much faster in this
+      version than in the last several releases. Several internal
+      library optimizations have been made, and there has been
+      improved behavior on page splitting as well. This version of
+      qpdf should outperform any of the 8.x or 9.x versions.
+
+  - Incompatible API (source-level) Changes (minor)
+
+    - The ``QUtil::srandom`` method was removed. It didn't do
+      anything unless insecure random numbers were compiled in, and
+      they have been off by default for a long time. If you were
+      calling it, just remove the call since it wasn't doing anything
+      anyway.
+
+  - Build/Packaging Changes
+
+    - Add a ``openssl`` crypto provider, which is implemented with
+      OpenSSL and also works with BoringSSL. Thanks to Dean Scarff
+      for this contribution. If you maintain qpdf for a distribution,
+      pay special attention to make sure that you are including
+      support for the crypto providers you want. Package maintainers
+      will have to weigh the advantages of allowing users to pick a
+      crypto provider at runtime against the disadvantages of adding
+      more dependencies to qpdf.
+
+    - Allow qpdf to built on stripped down systems whose C/C++
+      libraries lack the ``wchar_t`` type. Search for ``wchar_t`` in
+      qpdf's README.md for details. This should be very rare, but it
+      is known to be helpful in some embedded environments.
+
+  - CLI Enhancements
+
+    - Add ``objectinfo`` key to the JSON output. This will be a place
+      to put computed metadata or other information about PDF objects
+      that are not immediately evident in other ways or that seem
+      useful for some other reason. In this version, information is
+      provided about each object indicating whether it is a stream
+      and, if so, what its length and filters are. Without this, it
+      was not possible to tell conclusively from the JSON output
+      alone whether or not an object was a stream. Run
+      :command:`qpdf --json-help` for details.
+
+    - Add new option
+      :qpdf:ref:`--remove-unreferenced-resources` which
+      takes ``auto``, ``yes``, or ``no`` as arguments. The new
+      ``auto`` mode, which is the default, performs a fast heuristic
+      over a PDF file when splitting pages to determine whether the
+      expensive process of finding and removing unreferenced
+      resources is likely to be of benefit. For most files, this new
+      default will result in a significant performance improvement
+      for splitting pages.
+
+    - The :qpdf:ref:`--preserve-unreferenced-resources`
+      is now just a synonym for
+      :samp:`--remove-unreferenced-resources=no`.
+
+    - If the ``QPDF_EXECUTABLE`` environment variable is set when
+      invoking :command:`qpdf --bash-completion` or
+      :command:`qpdf --zsh-completion`, the completion
+      command that it outputs will refer to qpdf using the value of
+      that variable rather than what :command:`qpdf`
+      determines its executable path to be. This can be useful when
+      wrapping :command:`qpdf` with a script, working
+      with a version in the source tree, using an AppImage, or other
+      situations where there is some indirection.
+
+  - Library Enhancements
+
+    - Random number generation is now delegated to the crypto
+      provider. The old behavior is still used by the native crypto
+      provider. It is still possible to provide your own random
+      number generator.
+
+    - Add a new version of
+      ``QPDFObjectHandle::StreamDataProvider::provideStreamData``
+      that accepts the ``suppress_warnings`` and ``will_retry``
+      options and allows a success code to be returned. This makes it
+      possible to implement a ``StreamDataProvider`` that calls
+      ``pipeStreamData`` on another stream and to pass the response
+      back to the caller, which enables better error handling on
+      those proxied streams.
+
+    - Update ``QPDFObjectHandle::pipeStreamData`` to return an
+      overall success code that goes beyond whether or not filtered
+      data was written successfully. This allows better error
+      handling of cases that were not filtering errors. You have to
+      call this explicitly. Methods in previously existing APIs have
+      the same semantics as before.
+
+    - The ``QPDFPageObjectHelper::placeFormXObject`` method now
+      allows separate control over whether it should be willing to
+      shrink or expand objects to fit them better into the
+      destination rectangle. The previous behavior was that shrinking
+      was allowed but expansion was not. The previous behavior is
+      still the default.
+
+    - When calling the C API, any non-zero value passed to a boolean
+      parameter is treated as ``TRUE``. Previously only the value
+      ``1`` was accepted. This makes the C API behave more like most
+      C interfaces and is known to improve compatibility with some
+      Windows environments that dynamically load the DLL and call
+      functions from it.
+
+    - Add ``QPDFObjectHandle::unsafeShallowCopy`` for copying only
+      top-level dictionary keys or array items. This is unsafe
+      because it creates a situation in which changing a lower-level
+      item in one object may also change it in another object, but
+      for cases in which you *know* you are only inserting or
+      replacing top-level items, it is much faster than
+      ``QPDFObjectHandle::shallowCopy``.
+
+    - Add ``QPDFObjectHandle::filterAsContents``, which filter's a
+      stream's data as a content stream. This is useful for parsing
+      the contents for form XObjects in the same way as parsing page
+      content streams.
+
+  - Bug Fixes
+
+    - When detecting and removing unreferenced resources during page
+      splitting, traverse into form XObjects and handle their
+      resources dictionaries as well.
+
+    - The same error recovery is applied to streams in other than the
+      primary input file when merging or splitting pages.
+
+9.1.1: January 26, 2020
+  - Build/Packaging Changes
+
+    - The fix-qdf program was converted from perl to C++. As such,
+      qpdf no longer has a runtime dependency on perl.
+
+  - Library Enhancements
+
+    - Added new helper routine ``QUtil::call_main_from_wmain`` which
+      converts ``wchar_t`` arguments to UTF-8 encoded strings. This
+      is useful for qpdf because library methods expect file names to
+      be UTF-8 encoded, even on Windows
+
+    - Added new ``QUtil::read_lines_from_file`` methods that take
+      ``FILE*`` arguments and that allow preservation of end-of-line
+      characters. This also fixes a bug where
+      ``QUtil::read_lines_from_file`` wouldn't work properly with
+      Unicode filenames.
+
+  - CLI Enhancements
+
+    - Added options :qpdf:ref:`--is-encrypted` and
+      :qpdf:ref:`--requires-password` for testing whether
+      a file is encrypted or requires a password other than the
+      supplied (or empty) password. These communicate via exit
+      status, making them useful for shell scripts. They also work on
+      encrypted files with unknown passwords.
+
+    - Added ``encrypt`` key to JSON options. With the exception of
+      the reconstructed user password for older encryption formats,
+      this provides the same information as
+      :qpdf:ref:`--show-encryption` but in a consistent,
+      parseable format. See output of :command:`qpdf
+      --json-help` for details.
+
+  - Bug Fixes
+
+    - In QDF mode, be sure not to write more than one XRef stream to
+      a file, even when
+      :qpdf:ref:`--preserve-unreferenced` is used.
+      :command:`fix-qdf` assumes that there is only
+      one XRef stream, and that it appears at the end of the file.
+
+    - When externalizing inline images, properly handle images whose
+      color space is a reference to an object in the page's resource
+      dictionary.
+
+    - Windows-specific fix for acquiring crypt context with a new
+      keyset.
+
+9.1.0: November 17, 2019
+  - Build Changes
+
+    - A C++-11 compiler is now required to build qpdf.
+
+    - A new crypto provider that uses gnutls for crypto functions is
+      now available and can be enabled at build time. See :ref:`crypto` for more information about crypto
+      providers and :ref:`crypto.build` for specific information about
+      the build.
+
+  - Library Enhancements
+
+    - Incorporate contribution from Masamichi Hosoda to properly
+      handle signature dictionaries by not including them in object
+      streams, formatting the ``Contents`` key has a hexadecimal
+      string, and excluding the ``/Contents`` key from encryption and
+      decryption.
+
+    - Incorporate contribution from Masamichi Hosoda to provide new
+      API calls for getting file-level information about input and
+      output files, enabling certain operations on the files at the
+      file level rather than the object level. New methods include
+      ``QPDF::getXRefTable()``,
+      ``QPDFObjectHandle::getParsedOffset()``,
+      ``QPDFWriter::getRenumberedObjGen(QPDFObjGen)``, and
+      ``QPDFWriter::getWrittenXRefTable()``.
+
+    - Support build-time and runtime selectable crypto providers.
+      This includes the addition of new classes
+      ``QPDFCryptoProvider`` and ``QPDFCryptoImpl`` and the
+      recognition of the ``QPDF_CRYPTO_PROVIDER`` environment
+      variable. Crypto providers are described in depth in :ref:`crypto`.
+
+  - CLI Enhancements
+
+    - Addition of the :qpdf:ref:`--show-crypto` option in
+      support of selectable crypto providers, as described in :ref:`crypto`.
+
+    - Allow ``:even`` or ``:odd`` to be appended to numeric ranges
+      for specification of the even or odd pages from among the pages
+      specified in the range.
+
+    - Fix shell wildcard expansion behavior (``*`` and ``?``) of the
+      :command:`qpdf.exe` as built my MSVC.
+
+9.0.2: October 12, 2019
+  - Bug Fix
+
+    - Fix the name of the temporary file used by
+      :qpdf:ref:`--replace-input` so that it doesn't
+      require path splitting and works with paths include
+      directories.
+
+9.0.1: September 20, 2019
+  - Bug Fixes/Enhancements
+
+    - Fix some build and test issues on big-endian systems and
+      compilers with characters that are unsigned by default. The
+      problems were in build and test only. There were no actual bugs
+      in the qpdf library itself relating to endianness or unsigned
+      characters.
+
+    - When a dictionary has a duplicated key, report this with a
+      warning. The behavior of the library in this case is unchanged,
+      but the error condition is no longer silently ignored.
+
+    - When a form field's display rectangle is erroneously specified
+      with inverted coordinates, detect and correct this situation.
+      This avoids some form fields from being flipped when flattening
+      annotations on files with this condition.
+
+9.0.0: August 31, 2019
+  - Incompatible API (source-level) Changes (minor)
+
+    - The method ``QUtil::strcasecmp`` has been renamed to
+      ``QUtil::str_compare_nocase``. This incompatible change is
+      necessary to enable qpdf to build on platforms that define
+      ``strcasecmp`` as a macro.
+
+    - The ``QPDF::copyForeignObject`` method had an overloaded
+      version that took a boolean parameter that was not used. If you
+      were using this version, just omit the extra parameter.
+
+    - There was a version ``QPDFTokenizer::expectInlineImage`` that
+      took no arguments. This version has been removed since it
+      caused the tokenizer to return incorrect inline images. A new
+      version was added some time ago that produces correct output.
+      This is a very low level method that doesn't make sense to call
+      outside of qpdf's lexical engine. There are higher level
+      methods for tokenizing content streams.
+
+    - Change ``QPDFOutlineDocumentHelper::getTopLevelOutlines`` and
+      ``QPDFOutlineObjectHelper::getKids`` to return a
+      ``std::vector`` instead of a ``std::list`` of
+      ``QPDFOutlineObjectHelper`` objects.
+
+    - Remove method ``QPDFTokenizer::allowPoundAnywhereInName``. This
+      function would allow creation of name tokens whose value would
+      change when unparsed, which is never the correct behavior.
+
+  - CLI Enhancements
+
+    - The :qpdf:ref:`--replace-input` option may be given
+      in place of an output file name. This causes qpdf to overwrite
+      the input file with the output. See the description of
+      :qpdf:ref:`--replace-input` for more details.
+
+    - The :qpdf:ref:`--recompress-flate` instructs
+      :command:`qpdf` to recompress streams that are
+      already compressed with ``/FlateDecode``. Useful with
+      :qpdf:ref:`--compression-level`.
+
+    - The
+      :samp:`--compression-level={level}`
+      sets the zlib compression level used for any streams compressed
+      by ``/FlateDecode``. Most effective when combined with
+      :qpdf:ref:`--recompress-flate`.
+
+  - Library Enhancements
+
+    - A new namespace ``QIntC``, provided by
+      :file:`qpdf/QIntC.hh`, provides safe
+      conversion methods between different integer types. These
+      conversion methods do range checking to ensure that the cast
+      can be performed with no loss of information. Every use of
+      ``static_cast`` in the library was inspected to see if it could
+      use one of these safe converters instead. See :ref:`casting` for additional details.
+
+    - Method ``QPDF::anyWarnings`` tells whether there have been any
+      warnings without clearing the list of warnings.
+
+    - Method ``QPDF::closeInputSource`` closes or otherwise releases
+      the input source. This enables the input file to be deleted or
+      renamed.
+
+    - New methods have been added to ``QUtil`` for converting back
+      and forth between strings and unsigned integers:
+      ``uint_to_string``, ``uint_to_string_base``,
+      ``string_to_uint``, and ``string_to_ull``.
+
+    - New methods have been added to ``QPDFObjectHandle`` that return
+      the value of ``Integer`` objects as ``int`` or ``unsigned int``
+      with range checking and sensible fallback values, and a new
+      method was added to return an unsigned value. This makes it
+      easier to write code that is safe from unintentional data loss.
+      Functions: ``getUIntValue``, ``getIntValueAsInt``,
+      ``getUIntValueAsUInt``.
+
+    - When parsing content streams with
+      ``QPDFObjectHandle::ParserCallbacks``, in place of the method
+      ``handleObject(QPDFObjectHandle)``, the developer may override
+      ``handleObject(QPDFObjectHandle, size_t offset, size_t
+      length)``. If this method is defined, it will
+      be invoked with the object along with its offset and length
+      within the overall contents being parsed. Intervening spaces
+      and comments are not included in offset and length.
+      Additionally, a new method ``contentSize(size_t)`` may be
+      implemented. If present, it will be called prior to the first
+      call to ``handleObject`` with the total size in bytes of the
+      combined contents.
+
+    - New methods ``QPDF::userPasswordMatched`` and
+      ``QPDF::ownerPasswordMatched`` have been added to enable a
+      caller to determine whether the supplied password was the user
+      password, the owner password, or both. This information is also
+      displayed by :command:`qpdf --show-encryption`
+      and :command:`qpdf --check`.
+
+    - Static method ``Pl_Flate::setCompressionLevel`` can be called
+      to set the zlib compression level globally used by all
+      instances of Pl_Flate in deflate mode.
+
+    - The method ``QPDFWriter::setRecompressFlate`` can be called to
+      tell ``QPDFWriter`` to uncompress and recompress streams
+      already compressed with ``/FlateDecode``.
+
+    - The underlying implementation of QPDF arrays has been enhanced
+      to be much more memory efficient when dealing with arrays with
+      lots of nulls. This enables qpdf to use drastically less memory
+      for certain types of files.
+
+    - When traversing the pages tree, if nodes are encountered with
+      invalid types, the types are fixed, and a warning is issued.
+
+    - A new helper method ``QUtil::read_file_into_memory`` was added.
+
+    - All conditions previously reported by
+      ``QPDF::checkLinearization()`` as errors are now presented as
+      warnings.
+
+    - Name tokens containing the ``#`` character not preceded by two
+      hexadecimal digits, which is invalid in PDF 1.2 and above, are
+      properly handled by the library: a warning is generated, and
+      the name token is properly preserved, even if invalid, in the
+      output. See :file:`ChangeLog` for a more
+      complete description of this change.
+
+  - Bug Fixes
+
+    - A small handful of memory issues, assertion failures, and
+      unhandled exceptions that could occur on badly mangled input
+      files have been fixed. Most of these problems were found by
+      Google's OSS-Fuzz project.
+
+    - When :command:`qpdf --check` or
+      :command:`qpdf --check-linearization` encounters
+      a file with linearization warnings but not errors, it now
+      properly exits with exit code 3 instead of 2.
+
+    - The :qpdf:ref:`--completion-bash` and
+      :qpdf:ref:`--completion-zsh` options now work
+      properly when qpdf is invoked as an AppImage.
+
+    - Calling ``QPDFWriter::set*EncryptionParameters`` on a
+      ``QPDFWriter`` object whose output filename has not yet been
+      set no longer produces a segmentation fault.
+
+    - When reading encrypted files, follow the spec more closely
+      regarding encryption key length. This allows qpdf to open
+      encrypted files in most cases when they have invalid or missing
+      /Length keys in the encryption dictionary.
+
+  - Build Changes
+
+    - On platforms that support it, qpdf now builds with
+      :samp:`-fvisibility=hidden`. If you build qpdf
+      with your own build system, this is now safe to use. This
+      prevents methods that are not part of the public API from being
+      exported by the shared library, and makes qpdf's ELF shared
+      libraries (used on Linux, MacOS, and most other UNIX flavors)
+      behave more like the Windows DLL. Since the DLL already behaves
+      in much this way, it is unlikely that there are any methods
+      that were accidentally not exported. However, with ELF shared
+      libraries, typeinfo for some classes has to be explicitly
+      exported. If there are problems in dynamically linked code
+      catching exceptions or subclassing, this could be the reason.
+      If you see this, please report a bug at
+      https://github.com/qpdf/qpdf/issues/.
+
+    - QPDF is now compiled with integer conversion and sign
+      conversion warnings enabled. Numerous changes were made to the
+      library to make this safe.
+
+    - QPDF's :command:`make install` target explicitly
+      specifies the mode to use when installing files instead of
+      relying the user's umask. It was previously doing this for some
+      files but not others.
+
+    - If :command:`pkg-config` is available, use it to
+      locate :file:`libjpeg` and
+      :file:`zlib` dependencies, falling back on
+      old behavior if unsuccessful.
+
+  - Other Notes
+
+    - QPDF has been fully integrated into `Google's OSS-Fuzz
+      project <https://github.com/google/oss-fuzz>`__. This project
+      exercises code with randomly mutated inputs and is great for
+      discovering hidden security crashes and security issues.
+      Several bugs found by oss-fuzz have already been fixed in qpdf.
+
+8.4.2: May 18, 2019
+   This release has just one change: correction of a buffer overrun in
+   the Windows code used to open files. Windows users should take this
+   update. There are no code changes that affect non-Windows releases.
+
+8.4.1: April 27, 2019
+  - Enhancements
+
+    - When :command:`qpdf --version` is run, it will
+      detect if the qpdf CLI was built with a different version of
+      qpdf than the library, which may indicate a problem with the
+      installation.
+
+    - New option :qpdf:ref:`--remove-page-labels` will
+      remove page labels before generating output. This used to
+      happen if you ran :command:`qpdf --empty --pages ..
+      --`, but the behavior changed in qpdf 8.3.0. This
+      option enables people who were relying on the old behavior to
+      get it again.
+
+    - New option
+      :samp:`--keep-files-open-threshold={count}`
+      can be used to override number of files that qpdf will use to
+      trigger the behavior of not keeping all files open when merging
+      files. This may be necessary if your system allows fewer than
+      the default value of 200 files to be open at the same time.
+
+  - Bug Fixes
+
+    - Handle Unicode characters in filenames on Windows. The changes
+      to support Unicode on the CLI in Windows broke Unicode
+      filenames for Windows.
+
+    - Slightly tighten logic that determines whether an object is a
+      page. This should resolve problems in some rare files where
+      some non-page objects were passing qpdf's test for whether
+      something was a page, thus causing them to be erroneously lost
+      during page splitting operations.
+
+    - Revert change that included preservation of outlines
+      (bookmarks) in :qpdf:ref:`--split-pages`. The way
+      it was implemented in 8.3.0 and 8.4.0 caused a very significant
+      degradation of performance for splitting certain files. A
+      future release of qpdf may re-introduce the behavior in a more
+      performant and also more correct fashion.
+
+    - In JSON mode, add missing leading 0 to decimal values between
+      -1 and 1 even if not present in the input. The JSON
+      specification requires the leading 0. The PDF specification
+      does not.
+
+8.4.0: February 1, 2019
+  - Command-line Enhancements
+
+    - *Non-compatible CLI change:* The qpdf command-line tool
+      interprets passwords given at the command-line differently from
+      previous releases when the passwords contain non-ASCII
+      characters. In some cases, the behavior differs from previous
+      releases. For a discussion of the current behavior, please see
+      :ref:`unicode-passwords`. The
+      incompatibilities are as follows:
+
+      - On Windows, qpdf now receives all command-line options as
+        Unicode strings if it can figure out the appropriate
+        compile/link options. This is enabled at least for MSVC and
+        mingw builds. That means that if non-ASCII strings are
+        passed to the qpdf CLI in Windows, qpdf will now correctly
+        receive them. In the past, they would have either been
+        encoded as Windows code page 1252 (also known as "Windows
+        ANSI" or as something unintelligible. In almost all cases,
+        qpdf is able to properly interpret Unicode arguments now,
+        whereas in the past, it would almost never interpret them
+        properly. The result is that non-ASCII passwords given to
+        the qpdf CLI on Windows now have a much greater chance of
+        creating PDF files that can be opened by a variety of
+        readers. In the past, usually files encrypted from the
+        Windows CLI using non-ASCII passwords would not be readable
+        by most viewers. Note that the current version of qpdf is
+        able to decrypt files that it previously created using the
+        previously supplied password.
+
+      - The PDF specification requires passwords to be encoded as
+        UTF-8 for 256-bit encryption and with PDF Doc encoding for
+        40-bit or 128-bit encryption. Older versions of qpdf left it
+        up to the user to provide passwords with the correct
+        encoding. The qpdf CLI now detects when a password is given
+        with UTF-8 encoding and automatically transcodes it to what
+        the PDF spec requires. While this is almost always the
+        correct behavior, it is possible to override the behavior if
+        there is some reason to do so. This is discussed in more
+        depth in :ref:`unicode-passwords`.
+
+    - New options
+      :qpdf:ref:`--externalize-inline-images`,
+      :qpdf:ref:`--ii-min-bytes`, and
+      :qpdf:ref:`--keep-inline-images` control qpdf's
+      handling of inline images and possible conversion of them to
+      regular images. By default,
+      :qpdf:ref:`--optimize-images` now also applies to
+      inline images.
+
+    - Add options :qpdf:ref:`--overlay` and
+      :qpdf:ref:`--underlay` for overlaying or
+      underlaying pages of other files onto output pages. See
+      :ref:`overlay-underlay` for
+      details.
+
+    - When opening an encrypted file with a password, if the
+      specified password doesn't work and the password contains any
+      non-ASCII characters, qpdf will try a number of alternative
+      passwords to try to compensate for possible character encoding
+      errors. This behavior can be suppressed with the
+      :qpdf:ref:`--suppress-password-recovery` option.
+      See :ref:`unicode-passwords` for a full
+      discussion.
+
+    - Add the :qpdf:ref:`--password-mode` option to
+      fine-tune how qpdf interprets password arguments, especially
+      when they contain non-ASCII characters. See :ref:`unicode-passwords` for more information.
+
+    - In the :qpdf:ref:`--pages` option, it is now
+      possible to copy the same page more than once from the same
+      file without using the previous workaround of specifying two
+      different paths to the same file.
+
+    - In the :qpdf:ref:`--pages` option, allow use of "."
+      as a shortcut for the primary input file. That way, you can do
+      :command:`qpdf in.pdf --pages . 1-2 -- out.pdf`
+      instead of having to repeat :file:`in.pdf`
+      in the command.
+
+    - When encrypting with 128-bit and 256-bit encryption, new
+      encryption options :qpdf:ref:`--assemble`,
+      :qpdf:ref:`--annotate`,
+      :qpdf:ref:`--form`, and
+      :qpdf:ref:`--modify-other` allow more fine-grained
+      granularity in configuring options. Before, the
+      :qpdf:ref:`--modify` option only configured certain
+      predefined groups of permissions.
+
+  - Bug Fixes and Enhancements
+
+    - *Potential data-loss bug:* Versions of qpdf between 8.1.0 and
+      8.3.0 had a bug that could cause page splitting and merging
+      operations to drop some font or image resources if the PDF
+      file's internal structure shared these resource lists across
+      pages and if some but not all of the pages in the output did
+      not reference all the fonts and images. Using the
+      :qpdf:ref:`--preserve-unreferenced-resources`
+      option would work around the incorrect behavior. This bug was
+      the result of a typo in the code and a deficiency in the test
+      suite. The case that triggered the error was known, just not
+      handled properly. This case is now exercised in qpdf's test
+      suite and properly handled.
+
+    - When optimizing images, detect and refuse to optimize images
+      that can't be converted to JPEG because of bit depth or color
+      space.
+
+    - Linearization and page manipulation APIs now detect and recover
+      from files that have duplicate Page objects in the pages tree.
+
+    - Using older option
+      :samp:`--stream-data=compress` with object
+      streams, object streams and xref streams were not compressed.
+
+    - When the tokenizer returns inline image tokens, delimiters
+      following ``ID`` and ``EI`` operators are no longer excluded.
+      This makes it possible to reliably extract the actual image
+      data.
+
+  - Library Enhancements
+
+    - Add method ``QPDFPageObjectHelper::externalizeInlineImages`` to
+      convert inline images to regular images.
+
+    - Add method ``QUtil::possible_repaired_encodings()`` to generate
+      a list of strings that represent other ways the given string
+      could have been encoded. This is the method the QPDF CLI uses
+      to generate the strings it tries when recovering incorrectly
+      encoded Unicode passwords.
+
+    - Add new versions of
+      ``QPDFWriter::setR{3,4,5,6}EncryptionParameters`` that allow
+      more granular setting of permissions bits. See
+      :file:`QPDFWriter.hh` for details.
+
+    - Add new versions of the transcoders from UTF-8 to single-byte
+      coding systems in ``QUtil`` that report success or failure
+      rather than just substituting a specified unknown character.
+
+    - Add method ``QUtil::analyze_encoding()`` to determine whether a
+      string has high-bit characters and is appears to be UTF-16 or
+      valid UTF-8 encoding.
+
+    - Add new method ``QPDFPageObjectHelper::shallowCopyPage()`` to
+      copy a new page that is a "shallow copy" of a page. The
+      resulting object is an indirect object ready to be passed to
+      ``QPDFPageDocumentHelper::addPage()`` for either the original
+      ``QPDF`` object or a different one. This is what the
+      :command:`qpdf` command-line tool uses to copy
+      the same page multiple times from the same file during
+      splitting and merging operations.
+
+    - Add method ``QPDF::getUniqueId()``, which returns a unique
+      identifier for the given QPDF object. The identifier will be
+      unique across the life of the application. The returned value
+      can be safely used as a map key.
+
+    - Add method ``QPDF::setImmediateCopyFrom``. This further
+      enhances qpdf's ability to allow a ``QPDF`` object from which
+      objects are being copied to go out of scope before the
+      destination object is written. If you call this method on a
+      ``QPDF`` instances, objects copied *from* this instance will be
+      copied immediately instead of lazily. This option uses more
+      memory but allows the source object to go out of scope before
+      the destination object is written in all cases. See comments in
+      :file:`QPDF.hh` for details.
+
+    - Add method ``QPDFPageObjectHelper::getAttribute`` for
+      retrieving an attribute from the page dictionary taking
+      inheritance into consideration, and optionally making a copy if
+      your intention is to modify the attribute.
+
+    - Fix long-standing limitation of
+      ``QPDFPageObjectHelper::getPageImages`` so that it now properly
+      reports images from inherited resources dictionaries,
+      eliminating the need to call
+      ``QPDFPageDocumentHelper::pushInheritedAttributesToPage`` in
+      this case.
+
+    - Add method ``QPDFObjectHandle::getUniqueResourceName`` for
+      finding an unused name in a resource dictionary.
+
+    - Add method ``QPDFPageObjectHelper::getFormXObjectForPage`` for
+      generating a form XObject equivalent to a page. The resulting
+      object can be used in the same file or copied to another file
+      with ``copyForeignObject``. This can be useful for implementing
+      underlay, overlay, n-up, thumbnails, or any other functionality
+      requiring replication of pages in other contexts.
+
+    - Add method ``QPDFPageObjectHelper::placeFormXObject`` for
+      generating content stream text that places a given form XObject
+      on a page, centered and fit within a specified rectangle. This
+      method takes care of computing the proper transformation matrix
+      and may optionally compensate for rotation or scaling of the
+      destination page.
+
+    - Exit codes returned by ``QPDFJob::run()`` and the C API wrappers
+      are now defined in :file:`qpdf/Constants.h` in the
+      ``qpdf_exit_code_e`` type so that they are accessible from the C
+      API. They were previously only defined as constants in
+      :file:`qpdf/QPDFJob.hh`.
+
+  - Build Improvements
+
+    - Add new configure option
+      :samp:`--enable-avoid-windows-handle`, which
+      causes the preprocessor symbol ``AVOID_WINDOWS_HANDLE`` to be
+      defined. When defined, qpdf will avoid referencing the Windows
+      ``HANDLE`` type, which is disallowed with certain versions of
+      the Windows SDK.
+
+    - For Windows builds, attempt to determine what options, if any,
+      have to be passed to the compiler and linker to enable use of
+      ``wmain``. This causes the preprocessor symbol
+      ``WINDOWS_WMAIN`` to be defined. If you do your own builds with
+      other compilers, you can define this symbol to cause ``wmain``
+      to be used. This is needed to allow the Windows
+      :command:`qpdf` command to receive Unicode
+      command-line options.
+
+8.3.0: January 7, 2019
+  - Command-line Enhancements
+
+    - Shell completion: you can now use eval :command:`$(qpdf
+      --completion-bash)` and eval :command:`$(qpdf
+      --completion-zsh)` to enable shell completion for
+      bash and zsh.
+
+    - Page numbers (also known as page labels) are now preserved when
+      merging and splitting files with the
+      :qpdf:ref:`--pages` and
+      :qpdf:ref:`--split-pages` options.
+
+    - Bookmarks are partially preserved when splitting pages with the
+      :qpdf:ref:`--split-pages` option. Specifically, the
+      outlines dictionary and some supporting metadata are copied
+      into the split files. The result is that all bookmarks from the
+      original file appear, those that point to pages that are
+      preserved work, and those that point to pages that are not
+      preserved don't do anything. This is an interim step toward
+      proper support for bookmarks in splitting and merging
+      operations.
+
+    - Page collation: add new option
+      :qpdf:ref:`--collate`. When specified, the
+      semantics of :qpdf:ref:`--pages` change from
+      concatenation to collation. See :ref:`page-selection` for examples and discussion.
+
+    - Generation of information in JSON format, primarily to
+      facilitate use of qpdf from languages other than C++. Add new
+      options :qpdf:ref:`--json`,
+      :qpdf:ref:`--json-key`, and
+      :qpdf:ref:`--json-object` to generate a JSON
+      representation of the PDF file. Run :command:`qpdf
+      --json-help` to get a description of the JSON
+      format. For more information, see :ref:`json`.
+
+    - The :qpdf:ref:`--generate-appearances` flag will
+      cause qpdf to generate appearances for form fields if the PDF
+      file indicates that form field appearances are out of date.
+      This can happen when PDF forms are filled in by a program that
+      doesn't know how to regenerate the appearances of the filled-in
+      fields.
+
+    - The :qpdf:ref:`--flatten-annotations` flag can be
+      used to *flatten* annotations, including form fields.
+      Ordinarily, annotations are drawn separately from the page.
+      Flattening annotations is the process of combining their
+      appearances into the page's contents. You might want to do this
+      if you are going to rotate or combine pages using a tool that
+      doesn't understand about annotations. You may also want to use
+      :qpdf:ref:`--generate-appearances` when using this
+      flag since annotations for outdated form fields are not
+      flattened as that would cause loss of information.
+
+    - The :qpdf:ref:`--optimize-images` flag tells qpdf
+      to recompresses every image using DCT (JPEG) compression as
+      long as the image is not already compressed with lossy
+      compression and recompressing the image reduces its size. The
+      additional options :qpdf:ref:`--oi-min-width`,
+      :qpdf:ref:`--oi-min-height`, and
+      :qpdf:ref:`--oi-min-area` prevent recompression of
+      images whose width, height, or pixel area (width × height) are
+      below a specified threshold.
+
+    - The :qpdf:ref:`--show-object` option can now be
+      given as :samp:`--show-object=trailer` to show
+      the trailer dictionary.
+
+  - Bug Fixes and Enhancements
+
+    - QPDF now automatically detects and recovers from dangling
+      references. If a PDF file contained an indirect reference to a
+      non-existent object, which is valid, when adding a new object
+      to the file, it was possible for the new object to take the
+      object ID of the dangling reference, thereby causing the
+      dangling reference to point to the new object. This case is now
+      prevented.
+
+    - Fixes to form field setting code: strings are always written in
+      UTF-16 format, and checkboxes and radio buttons are handled
+      properly with respect to synchronization of values and
+      appearance states.
+
+    - The ``QPDF::checkLinearization()`` no longer causes the program
+      to crash when it detects problems with linearization data.
+      Instead, it issues a normal warning or error.
+
+    - Ordinarily qpdf treats an argument of the form
+      :samp:`@file` to mean that command-line options
+      should be read from :file:`file`. Now, if
+      :file:`file` does not exist but
+      :file:`@file` does, qpdf will treat
+      :file:`@file` as a regular option. This
+      makes it possible to work more easily with PDF files whose
+      names happen to start with the ``@`` character.
+
+  - Library Enhancements
+
+    - Remove the restriction in most cases that the source QPDF
+      object used in a ``QPDF::copyForeignObject`` call has to stick
+      around until the destination QPDF is written. The exceptional
+      case is when the source stream gets is data using a
+      QPDFObjectHandle::StreamDataProvider. For a more in-depth
+      discussion, see comments around ``copyForeignObject`` in
+      :file:`QPDF.hh`.
+
+    - Add new method ``QPDFWriter::getFinalVersion()``, which returns
+      the PDF version that will ultimately be written to the final
+      file. See comments in :file:`QPDFWriter.hh`
+      for some restrictions on its use.
+
+    - Add several methods for transcoding strings to some of the
+      character sets used in PDF files: ``QUtil::utf8_to_ascii``,
+      ``QUtil::utf8_to_win_ansi``, ``QUtil::utf8_to_mac_roman``, and
+      ``QUtil::utf8_to_utf16``. For the single-byte encodings that
+      support only a limited character sets, these methods replace
+      unsupported characters with a specified substitute.
+
+    - Add new methods to ``QPDFAnnotationObjectHelper`` and
+      ``QPDFFormFieldObjectHelper`` for querying flags and
+      interpretation of different field types. Define constants in
+      :file:`qpdf/Constants.h` to help with
+      interpretation of flag values.
+
+    - Add new methods
+      ``QPDFAcroFormDocumentHelper::generateAppearancesIfNeeded`` and
+      ``QPDFFormFieldObjectHelper::generateAppearance`` for
+      generating appearance streams. See discussion in
+      :file:`QPDFFormFieldObjectHelper.hh` for
+      limitations.
+
+    - Add two new helper functions for dealing with resource
+      dictionaries: ``QPDFObjectHandle::getResourceNames()`` returns
+      a list of all second-level keys, which correspond to the names
+      of resources, and ``QPDFObjectHandle::mergeResources()`` merges
+      two resources dictionaries as long as they have non-conflicting
+      keys. These methods are useful for certain types of objects
+      that resolve resources from multiple places, such as form
+      fields.
+
+    - Add methods ``QPDFPageDocumentHelper::flattenAnnotations()``
+      and
+      ``QPDFAnnotationObjectHelper::getPageContentForAppearance()``
+      for handling low-level details of annotation flattening.
+
+    - Add new helper classes: ``QPDFOutlineDocumentHelper``,
+      ``QPDFOutlineObjectHelper``, ``QPDFPageLabelDocumentHelper``,
+      ``QPDFNameTreeObjectHelper``, and
+      ``QPDFNumberTreeObjectHelper``.
+
+    - Add method ``QPDFObjectHandle::getJSON()`` that returns a JSON
+      representation of the object. Call ``serialize()`` on the
+      result to convert it to a string.
+
+    - Add a simple JSON serializer. This is not a complete or
+      general-purpose JSON library. It allows assembly and
+      serialization of JSON structures with some restrictions, which
+      are described in the header file. This is the serializer used
+      by qpdf's new JSON representation.
+
+    - Add new ``QPDFObjectHandle::Matrix`` class along with a few
+      convenience methods for dealing with six-element numerical
+      arrays as matrices.
+
+    - Add new method ``QPDFObjectHandle::wrapInArray``, which returns
+      the object itself if it is an array, or an array containing the
+      object otherwise. This is a common construct in PDF. This
+      method prevents you from having to explicitly test whether
+      something is a single element or an array.
+
+  - Build Improvements
+
+    - It is no longer necessary to run
+      :command:`autogen.sh` to build from a pristine
+      checkout. Automatically generated files are now committed so
+      that it is possible to build on platforms without autoconf
+      directly from a clean checkout of the repository. The
+      :command:`configure` script detects if the files
+      are out of date when it also determines that the tools are
+      present to regenerate them.
+
+    - Pull requests and the master branch are now built automatically
+      in `Azure
+      Pipelines <https://dev.azure.com/qpdf/qpdf/_build>`__, which is
+      free for open source projects. The build includes Linux, mac,
+      Windows 32-bit and 64-bit with mingw and MSVC, and an AppImage
+      build. Official qpdf releases are now built with Azure
+      Pipelines.
+
+  - Notes for Packagers
+
+    - A new section has been added to the documentation with notes
+      for packagers. Please see :ref:`packaging`.
+
+    - The qpdf detects out-of-date automatically generated files. If
+      your packaging system automatically refreshes libtool or
+      autoconf files, it could cause this check to fail. To avoid
+      this problem, pass
+      :samp:`--disable-check-autofiles` to
+      :command:`configure`.
+
+    - If you would like to have qpdf completion enabled
+      automatically, you can install completion files in the
+      distribution's default location. You can find sample completion
+      files to install in the :file:`completions`
+      directory.
+
+8.2.1: August 18, 2018
+  - Command-line Enhancements
+
+    - Add
+      :samp:`--keep-files-open={yn}`
+      to override default determination of whether to keep files open
+      when merging. Please see the discussion of
+      :qpdf:ref:`--keep-files-open` for additional details.
+
+8.2.0: August 16, 2018
+  - Command-line Enhancements
+
+    - Add :qpdf:ref:`--no-warn` option to suppress
+      issuing warning messages. If there are any conditions that
+      would have caused warnings to be issued, the exit status is
+      still 3.
+
+  - Bug Fixes and Optimizations
+
+    - Performance fix: optimize page merging operation to avoid
+      unnecessary open/close calls on files being merged. This solves
+      a dramatic slow-down that was observed when merging certain
+      types of files.
+
+    - Optimize how memory was used for the TIFF predictor,
+      drastically improving performance and memory usage for files
+      containing high-resolution images compressed with Flate using
+      the TIFF predictor.
+
+    - Bug fix: end of line characters were not properly handled
+      inside strings in some cases.
+
+    - Bug fix: using :qpdf:ref:`--progress` on very small
+      files could cause an infinite loop.
+
+  - API enhancements
+
+    - Add new class ``QPDFSystemError``, derived from
+      ``std::runtime_error``, which is now thrown by
+      ``QUtil::throw_system_error``. This enables the triggering
+      ``errno`` value to be retrieved.
+
+    - Add ``ClosedFileInputSource::stayOpen`` method, enabling a
+      ``ClosedFileInputSource`` to stay open during manually
+      indicated periods of high activity, thus reducing the overhead
+      of frequent open/close operations.
+
+  - Build Changes
+
+    - For the mingw builds, change the name of the DLL import library
+      from :file:`libqpdf.a` to
+      :file:`libqpdf.dll.a` to more accurately
+      reflect that it is an import library rather than a static
+      library. This potentially clears the way for supporting a
+      static library in the future, though presently, the qpdf
+      Windows build only builds the DLL and executables.
+
+8.1.0: June 23, 2018
+  - Usability Improvements
+
+    - When splitting files, qpdf detects fonts and images that the
+      document metadata claims are referenced from a page but are not
+      actually referenced and omits them from the output file. This
+      change can cause a significant reduction in the size of split
+      PDF files for files created by some software packages. In some
+      cases, it can also make page splitting slower. Prior versions
+      of qpdf would believe the document metadata and sometimes
+      include all the images from all the other pages even though the
+      pages were no longer present. In the unlikely event that the
+      old behavior should be desired, or if you have a case where
+      page splitting is very slow, the old behavior (and speed) can
+      be enabled by specifying
+      :qpdf:ref:`--preserve-unreferenced-resources`.
+
+    - When merging multiple PDF files, qpdf no longer leaves all the
+      files open. This makes it possible to merge numbers of files
+      that may exceed the operating system's limit for the maximum
+      number of open files.
+
+    - The :qpdf:ref:`--rotate` option's syntax has been
+      extended to make the page range optional. If you specify
+      :samp:`--rotate={angle}`
+      without specifying a page range, the rotation will be applied
+      to all pages. This can be especially useful for adjusting a PDF
+      created from a multi-page document that was scanned upside
+      down.
+
+    - When merging multiple files, the
+      :qpdf:ref:`--verbose` option now prints information
+      about each file as it operates on that file.
+
+    - When the :qpdf:ref:`--progress` option is
+      specified, qpdf will print a running indicator of its best
+      guess at how far through the writing process it is. Note that,
+      as with all progress meters, it's an approximation. This option
+      is implemented in a way that makes it useful for software that
+      uses the qpdf library; see API Enhancements below.
+
+  - Bug Fixes
+
+    - Properly decrypt files that use revision 3 of the standard
+      security handler but use 40 bit keys (even though revision 3
+      supports 128-bit keys).
+
+    - Limit depth of nested data structures to prevent crashes from
+      certain types of malformed (malicious) PDFs.
+
+    - In "newline before endstream" mode, insert the required extra
+      newline before the ``endstream`` at the end of object streams.
+      This one case was previously omitted.
+
+  - API Enhancements
+
+    - The first round of higher level "helper" interfaces has been
+      introduced. These are designed to provide a more convenient way
+      of interacting with certain document features than using
+      ``QPDFObjectHandle`` directly. For details on helpers, see
+      :ref:`helper-classes`. Specific additional
+      interfaces are described below.
+
+    - Add two new document helper classes: ``QPDFPageDocumentHelper``
+      for working with pages, and ``QPDFAcroFormDocumentHelper`` for
+      working with interactive forms. No old methods have been
+      removed, but ``QPDFPageDocumentHelper`` is now the preferred
+      way to perform operations on pages rather than calling the old
+      methods in ``QPDFObjectHandle`` and ``QPDF`` directly. Comments
+      in the header files direct you to the new interfaces. Please
+      see the header files and :file:`ChangeLog`
+      for additional details.
+
+    - Add three new object helper class: ``QPDFPageObjectHelper`` for
+      pages, ``QPDFFormFieldObjectHelper`` for interactive form
+      fields, and ``QPDFAnnotationObjectHelper`` for annotations. All
+      three classes are fairly sparse at the moment, but they have
+      some useful, basic functionality.
+
+    - A new example program
+      :file:`examples/pdf-set-form-values.cc` has
+      been added that illustrates use of the new document and object
+      helpers.
+
+    - The method ``QPDFWriter::registerProgressReporter`` has been
+      added. This method allows you to register a function that is
+      called by ``QPDFWriter`` to update your idea of the percentage
+      it thinks it is through writing its output. Client programs can
+      use this to implement reasonably accurate progress meters. The
+      :command:`qpdf` command line tool uses this to
+      implement its :qpdf:ref:`--progress` option.
+
+    - New methods ``QPDFObjectHandle::newUnicodeString`` and
+      ``QPDFObject::unparseBinary`` have been added to allow for more
+      convenient creation of strings that are explicitly encoded
+      using big-endian UTF-16. This is useful for creating strings
+      that appear outside of content streams, such as labels, form
+      fields, outlines, document metadata, etc.
+
+    - A new class ``QPDFObjectHandle::Rectangle`` has been added to
+      ease working with PDF rectangles, which are just arrays of four
+      numeric values.
+
+8.0.2: March 6, 2018
+  - When a loop is detected while following cross reference streams or
+    tables, treat this as damage instead of silently ignoring the
+    previous table. This prevents loss of otherwise recoverable data
+    in some damaged files.
+
+  - Properly handle pages with no contents.
+
+8.0.1: March 4, 2018
+  - Disregard data check errors when uncompressing ``/FlateDecode``
+    streams. This is consistent with most other PDF readers and allows
+    qpdf to recover data from another class of malformed PDF files.
+
+  - On the command line when specifying page ranges, support preceding
+    a page number by "r" to indicate that it should be counted from
+    the end. For example, the range ``r3-r1`` would indicate the last
+    three pages of a document.
+
+8.0.0: February 25, 2018
+  - Packaging and Distribution Changes
+
+    - QPDF is now distributed as an
+      `AppImage <https://appimage.org/>`__ in addition to all the
+      other ways it is distributed. The AppImage can be found in the
+      download area with the other packages. Thanks to Kurt Pfeifle
+      and Simon Peter for their contributions.
+
+  - Bug Fixes
+
+    - ``QPDFObjectHandle::getUTF8Val`` now properly treats
+      non-Unicode strings as encoded with PDF Doc Encoding.
+
+    - Improvements to handling of objects in PDF files that are not
+      of the expected type. In most cases, qpdf will be able to warn
+      for such cases rather than fail with an exception. Previous
+      versions of qpdf would sometimes fail with errors such as
+      "operation for dictionary object attempted on object of wrong
+      type". This situation should be mostly or entirely eliminated
+      now.
+
+  - Enhancements to the :command:`qpdf` Command-line
+    Tool. All new options listed here are documented in more detail in
+    :ref:`using`.
+
+    - The option
+      :samp:`--linearize-pass1={file}`
+      has been added for debugging qpdf's linearization code.
+
+    - The option :qpdf:ref:`--coalesce-contents` can be
+      used to combine content streams of a page whose contents are an
+      array of streams into a single stream.
+
+  - API Enhancements. All new API calls are documented in their
+    respective classes' header files. There are no non-compatible
+    changes to the API.
+
+    - Add function ``qpdf_check_pdf`` to the C API. This function
+      does basic checking that is a subset of what :command:`qpdf
+      --check` performs.
+
+    - Major enhancements to the lexical layer of qpdf. For a complete
+      list of enhancements, please refer to the
+      :file:`ChangeLog` file. Most of the changes
+      result in improvements to qpdf's ability handle erroneous
+      files. It is also possible for programs to handle whitespace,
+      comments, and inline images as tokens.
+
+    - New API for working with PDF content streams at a lexical
+      level. The new class ``QPDFObjectHandle::TokenFilter`` allows
+      the developer to provide token handlers. Token filters can be
+      used with several different methods in ``QPDFObjectHandle`` as
+      well as with a lower-level interface. See comments in
+      :file:`QPDFObjectHandle.hh` as well as the
+      new examples
+      :file:`examples/pdf-filter-tokens.cc` and
+      :file:`examples/pdf-count-strings.cc` for
+      details.
+
+7.1.1: February 4, 2018
+  - Bug fix: files whose /ID fields were other than 16 bytes long can
+    now be properly linearized
+
+  - A few compile and link issues have been corrected for some
+    platforms.
+
+7.1.0: January 14, 2018
+  - PDF files contain streams that may be compressed with various
+    compression algorithms which, in some cases, may be enhanced by
+    various predictor functions. Previously only the PNG up predictor
+    was supported. In this version, all the PNG predictors as well as
+    the TIFF predictor are supported. This increases the range of
+    files that qpdf is able to handle.
+
+  - QPDF now allows a raw encryption key to be specified in place of a
+    password when opening encrypted files, and will optionally display
+    the encryption key used by a file. This is a non-standard
+    operation, but it can be useful in certain situations. Please see
+    the discussion of :qpdf:ref:`--password-is-hex-key` or the comments around
+    ``QPDF::setPasswordIsHexKey`` in
+    :file:`QPDF.hh` for additional details.
+
+  - Bug fix: numbers ending with a trailing decimal point are now
+    properly recognized as numbers.
+
+  - Bug fix: when building qpdf from source on some platforms
+    (especially MacOS), the build could get confused by older versions
+    of qpdf installed on the system. This has been corrected.
+
+7.0.0: September 15, 2017
+  - Packaging and Distribution Changes
+
+    - QPDF's primary license is now `version 2.0 of the Apache
+      License <http://www.apache.org/licenses/LICENSE-2.0>`__ rather
+      than version 2.0 of the Artistic License. You may still, at
+      your option, consider qpdf to be licensed with version 2.0 of
+      the Artistic license.
+
+    - QPDF no longer has a dependency on the PCRE (Perl-Compatible
+      Regular Expression) library. QPDF now has an added dependency
+      on the JPEG library.
+
+  - Bug Fixes
+
+    - This release contains many bug fixes for various infinite
+      loops, memory leaks, and other memory errors that could be
+      encountered with specially crafted or otherwise erroneous PDF
+      files.
+
+  - New Features
+
+    - QPDF now supports reading and writing streams encoded with JPEG
+      or RunLength encoding. Library API enhancements and
+      command-line options have been added to control this behavior.
+      See command-line options
+      :qpdf:ref:`--compress-streams` and
+      :qpdf:ref:`--decode-level` and methods
+      ``QPDFWriter::setCompressStreams`` and
+      ``QPDFWriter::setDecodeLevel``.
+
+    - QPDF is much better at recovering from broken files. In most
+      cases, qpdf will skip invalid objects and will preserve broken
+      stream data by not attempting to filter broken streams. QPDF is
+      now able to recover or at least not crash on dozens of broken
+      test files I have received over the past few years.
+
+    - Page rotation is now supported and accessible from both the
+      library and the command line.
+
+    - ``QPDFWriter`` supports writing files in a way that preserves
+      PCLm compliance in support of driverless printing. This is very
+      specialized and is only useful to applications that already
+      know how to create PCLm files.
+
+  - Enhancements to the :command:`qpdf` Command-line
+    Tool. All new options listed here are documented in more detail in
+    :ref:`using`.
+
+    - Command-line arguments can now be read from files or standard
+      input using ``@file`` or ``@-`` syntax. Please see :ref:`invocation`.
+
+    - :qpdf:ref:`--rotate`: request page rotation
+
+    - :qpdf:ref:`--newline-before-endstream`: ensure that
+      a newline appears before every ``endstream`` keyword in the
+      file; used to prevent qpdf from breaking PDF/A compliance on
+      already compliant files.
+
+    - :qpdf:ref:`--preserve-unreferenced`: preserve
+      unreferenced objects in the input PDF
+
+    - :qpdf:ref:`--split-pages`: break output into chunks
+      with fixed numbers of pages
+
+    - :qpdf:ref:`--verbose`: print the name of each
+      output file that is created
+
+    - :qpdf:ref:`--compress-streams` and
+      :qpdf:ref:`--decode-level` replace
+      :qpdf:ref:`--stream-data` for improving granularity
+      of controlling compression and decompression of stream data.
+      The :qpdf:ref:`--stream-data` option will remain
+      available.
+
+    - When running :command:`qpdf --check` with other
+      options, checks are always run first. This enables qpdf to
+      perform its full recovery logic before outputting other
+      information. This can be especially useful when manually
+      recovering broken files, looking at qpdf's regenerated cross
+      reference table, or other similar operations.
+
+    - Process :command:`--pages` earlier so that other
+      options like :qpdf:ref:`--show-pages` or
+      :qpdf:ref:`--split-pages` can operate on the file
+      after page splitting/merging has occurred.
+
+  - API Changes. All new API calls are documented in their respective
+    classes' header files.
+
+    - ``QPDFObjectHandle::rotatePage``: apply rotation to a page
+      object
+
+    - ``QPDFWriter::setNewlineBeforeEndstream``: force newline to
+      appear before ``endstream``
+
+    - ``QPDFWriter::setPreserveUnreferencedObjects``: preserve
+      unreferenced objects that appear in the input PDF. The default
+      behavior is to discard them.
+
+    - New ``Pipeline`` types ``Pl_RunLength`` and ``Pl_DCT`` are
+      available for developers who wish to produce or consume
+      RunLength or DCT stream data directly. The
+      :file:`examples/pdf-create.cc` example
+      illustrates their use.
+
+    - ``QPDFWriter::setCompressStreams`` and
+      ``QPDFWriter::setDecodeLevel`` methods control handling of
+      different types of stream compression.
+
+    - Add new C API functions ``qpdf_set_compress_streams``,
+      ``qpdf_set_decode_level``,
+      ``qpdf_set_preserve_unreferenced_objects``, and
+      ``qpdf_set_newline_before_endstream`` corresponding to the new
+      ``QPDFWriter`` methods.
+
+6.0.0: November 10, 2015
+  - Implement :qpdf:ref:`--deterministic-id` command-line
+    option and ``QPDFWriter::setDeterministicID`` as well as C API
+    function ``qpdf_set_deterministic_ID`` for generating a
+    deterministic ID for non-encrypted files. When this option is
+    selected, the ID of the file depends on the contents of the output
+    file, and not on transient items such as the timestamp or output
+    file name.
+
+  - Make qpdf more tolerant of files whose xref table entries are not
+    the correct length.
+
+5.1.3: May 24, 2015
+  - Bug fix: fix-qdf was not properly handling files that contained
+    object streams with more than 255 objects in them.
+
+  - Bug fix: qpdf was not properly initializing Microsoft's secure
+    crypto provider on fresh Windows installations that had not had
+    any keys created yet.
+
+  - Fix a few errors found by Gynvael Coldwind and Mateusz Jurczyk of
+    the Google Security Team. Please see the ChangeLog for details.
+
+  - Properly handle pages that have no contents at all. There were
+    many cases in which qpdf handled this fine, but a few methods
+    blindly obtained page contents with handling the possibility that
+    there were no contents.
+
+  - Make qpdf more robust for a few more kinds of problems that may
+    occur in invalid PDF files.
+
+5.1.2: June 7, 2014
+  - Bug fix: linearizing files could create a corrupted output file
+    under extremely unlikely file size circumstances. See ChangeLog
+    for details. The odds of getting hit by this are very low, though
+    one person did.
+
+  - Bug fix: qpdf would fail to write files that had streams with
+    decode parameters referencing other streams.
+
+  - New example program: :command:`pdf-split-pages`:
+    efficiently split PDF files into individual pages. The example
+    program does this more efficiently than using :command:`qpdf
+    --pages` to do it.
+
+  - Packaging fix: Visual C++ binaries did not support Windows XP.
+    This has been rectified by updating the compilers used to generate
+    the release binaries.
+
+5.1.1: January 14, 2014
+  - Performance fix: copying foreign objects could be very slow with
+    certain types of files. This was most likely to be visible during
+    page splitting and was due to traversing the same objects multiple
+    times in some cases.
+
+5.1.0: December 17, 2013
+  - Added runtime option (``QUtil::setRandomDataProvider``) to supply
+    your own random data provider. You can use this if you want to
+    avoid using the OS-provided secure random number generation
+    facility or stdlib's less secure version. See comments in
+    include/qpdf/QUtil.hh for details.
+
+  - Fixed image comparison tests to not create 12-bit-per-pixel images
+    since some versions of tiffcmp have bugs in comparing them in some
+    cases. This increases the disk space required by the image
+    comparison tests, which are off by default anyway.
+
+  - Introduce a number of small fixes for compilation on the latest
+    clang in MacOS and the latest Visual C++ in Windows.
+
+  - Be able to handle broken files that end the xref table header with
+    a space instead of a newline.
+
+5.0.1: October 18, 2013
+  - Thanks to a detailed review by Florian Weimer and the Red Hat
+    Product Security Team, this release includes a number of
+    non-user-visible security hardening changes. Please see the
+    ChangeLog file in the source distribution for the complete list.
+
+  - When available, operating system-specific secure random number
+    generation is used for generating initialization vectors and other
+    random values used during encryption or file creation. For the
+    Windows build, this results in an added dependency on Microsoft's
+    cryptography API. To disable the OS-specific cryptography and use
+    the old version, pass the
+    :samp:`--enable-insecure-random` option to
+    :command:`./configure`.
+
+  - The :command:`qpdf` command-line tool now issues a
+    warning when :samp:`-accessibility=n` is specified
+    for newer encryption versions stating that the option is ignored.
+    qpdf, per the spec, has always ignored this flag, but it
+    previously did so silently. This warning is issued only by the
+    command-line tool, not by the library. The library's handling of
+    this flag is unchanged.
+
+5.0.0: July 10, 2013
+  - Bug fix: previous versions of qpdf would lose objects with
+    generation != 0 when generating object streams. Fixing this
+    required changes to the public API.
+
+  - Removed methods from public API that were only supposed to be
+    called by QPDFWriter and couldn't realistically be called anywhere
+    else. See ChangeLog for details.
+
+  - New ``QPDFObjGen`` class added to represent an object
+    ID/generation pair. ``QPDFObjectHandle::getObjGen()`` is now
+    preferred over ``QPDFObjectHandle::getObjectID()`` and
+    ``QPDFObjectHandle::getGeneration()`` as it makes it less likely
+    for people to accidentally write code that ignores the generation
+    number. See :file:`QPDF.hh` and
+    :file:`QPDFObjectHandle.hh` for additional
+    notes.
+
+  - Add :qpdf:ref:`--show-npages` command-line option to
+    the :command:`qpdf` command to show the number of
+    pages in a file.
+
+  - Allow omission of the page range within
+    :qpdf:ref:`--pages` for the
+    :command:`qpdf` command. When omitted, the page
+    range is implicitly taken to be all the pages in the file.
+
+  - Various enhancements were made to support different types of
+    broken files or broken readers. Details can be found in
+    :file:`ChangeLog`.
+
+4.1.0: April 14, 2013
+  - Note to people including qpdf in distributions: the
+    :file:`.la` files generated by libtool are now
+    installed by qpdf's :command:`make install` target.
+    Before, they were not installed. This means that if your
+    distribution does not want to include
+    :file:`.la` files, you must remove them as
+    part of your packaging process.
+
+  - Major enhancement: API enhancements have been made to support
+    parsing of content streams. This enhancement includes the
+    following changes:
+
+    - ``QPDFObjectHandle::parseContentStream`` method parses objects
+      in a content stream and calls handlers in a callback class. The
+      example
+      :file:`examples/pdf-parse-content.cc`
+      illustrates how this may be used.
+
+    - ``QPDFObjectHandle`` can now represent operators and inline
+      images, object types that may only appear in content streams.
+
+    - Method ``QPDFObjectHandle::getTypeCode()`` returns an
+      enumerated type value representing the underlying object type.
+      Method ``QPDFObjectHandle::getTypeName()`` returns a text
+      string describing the name of the type of a
+      ``QPDFObjectHandle`` object. These methods can be used for more
+      efficient parsing and debugging/diagnostic messages.
+
+  - :command:`qpdf --check` now parses all pages'
+    content streams in addition to doing other checks. While there are
+    still many types of errors that cannot be detected, syntactic
+    errors in content streams will now be reported.
+
+  - Minor compilation enhancements have been made to facilitate easier
+    for support for a broader range of compilers and compiler
+    versions.
+
+    - Warning flags have been moved into a separate variable in
+      :file:`autoconf.mk`
+
+    - The configure flag :samp:`--enable-werror` work
+      for Microsoft compilers
+
+    - All MSVC CRT security warnings have been resolved.
+
+    - All C-style casts in C++ Code have been replaced by C++ casts,
+      and many casts that had been included to suppress higher
+      warning levels for some compilers have been removed, primarily
+      for clarity. Places where integer type coercion occurs have
+      been scrutinized. A new casting policy has been documented in
+      the manual. This is of concern mainly to people porting qpdf to
+      new platforms or compilers. It is not visible to programmers
+      writing code that uses the library
+
+    - Some internal limits have been removed in code that converts
+      numbers to strings. This is largely invisible to users, but it
+      does trigger a bug in some older versions of mingw-w64's C++
+      library. See :file:`README-windows.md` in
+      the source distribution if you think this may affect you. The
+      copy of the DLL distributed with qpdf's binary distribution is
+      not affected by this problem.
+
+  - The RPM spec file previously included with qpdf has been removed.
+    This is because virtually all Linux distributions include qpdf now
+    that it is a dependency of CUPS filters.
+
+  - A few bug fixes are included:
+
+    - Overridden compressed objects are properly handled. Before,
+      there were certain constructs that could cause qpdf to see old
+      versions of some objects. The most usual manifestation of this
+      was loss of filled in form values for certain files.
+
+    - Installation no longer uses GNU/Linux-specific versions of some
+      commands, so :command:`make install` works on
+      Solaris with native tools.
+
+    - The 64-bit mingw Windows binary package no longer includes a
+      32-bit DLL.
+
+4.0.1: January 17, 2013
+  - Fix detection of binary attachments in test suite to avoid false
+    test failures on some platforms.
+
+  - Add clarifying comment in :file:`QPDF.hh` to
+    methods that return the user password explaining that it is no
+    longer possible with newer encryption formats to recover the user
+    password knowing the owner password. In earlier encryption
+    formats, the user password was encrypted in the file using the
+    owner password. In newer encryption formats, a separate encryption
+    key is used on the file, and that key is independently encrypted
+    using both the user password and the owner password.
+
+4.0.0: December 31, 2012
+  - Major enhancement: support has been added for newer encryption
+    schemes supported by version X of Adobe Acrobat. This includes use
+    of 127-character passwords, 256-bit encryption keys, and the
+    encryption scheme specified in ISO 32000-2, the PDF 2.0
+    specification. This scheme can be chosen from the command line by
+    specifying use of 256-bit keys. qpdf also supports the deprecated
+    encryption method used by Acrobat IX. This encryption style has
+    known security weaknesses and should not be used in practice.
+    However, such files exist "in the wild," so support for this
+    scheme is still useful. New methods
+    ``QPDFWriter::setR6EncryptionParameters`` (for the PDF 2.0 scheme)
+    and ``QPDFWriter::setR5EncryptionParameters`` (for the deprecated
+    scheme) have been added to enable these new encryption schemes.
+    Corresponding functions have been added to the C API as well.
+
+  - Full support for Adobe extension levels in PDF version
+    information. Starting with PDF version 1.7, corresponding to ISO
+    32000, Adobe adds new functionality by increasing the extension
+    level rather than increasing the version. This support includes
+    addition of the ``QPDF::getExtensionLevel`` method for retrieving
+    the document's extension level, addition of versions of
+    ``QPDFWriter::setMinimumPDFVersion`` and
+    ``QPDFWriter::forcePDFVersion`` that accept an extension level,
+    and extended syntax for specifying forced and minimum versions on
+    the command line as described in :qpdf:ref:`--force-version` and
+    :qpdf:ref:`--min-version`. Corresponding functions have been added
+    to the C API as well.
+
+  - Minor fixes to prevent qpdf from referencing objects in the file
+    that are not referenced in the file's overall structure. Most
+    files don't have any such objects, but some files have contain
+    unreferenced objects with errors, so these fixes prevent qpdf from
+    needlessly rejecting or complaining about such objects.
+
+  - Add new generalized methods for reading and writing files from/to
+    programmer-defined sources. The method
+    ``QPDF::processInputSource`` allows the programmer to use any
+    input source for the input file, and
+    ``QPDFWriter::setOutputPipeline`` allows the programmer to write
+    the output file through any pipeline. These methods would make it
+    possible to perform any number of specialized operations, such as
+    accessing external storage systems, creating bindings for qpdf in
+    other programming languages that have their own I/O systems, etc.
+
+  - Add new method ``QPDF::getEncryptionKey`` for retrieving the
+    underlying encryption key used in the file.
+
+  - This release includes a small handful of non-compatible API
+    changes. While effort is made to avoid such changes, all the
+    non-compatible API changes in this version were to parts of the
+    API that would likely never be used outside the library itself. In
+    all cases, the altered methods or structures were parts of the
+    ``QPDF`` that were public to enable them to be called from either
+    ``QPDFWriter`` or were part of validation code that was
+    over-zealous in reporting problems in parts of the file that would
+    not ordinarily be referenced. In no case did any of the removed
+    methods do anything worse that falsely report error conditions in
+    files that were broken in ways that didn't matter. The following
+    public parts of the ``QPDF`` class were changed in a
+    non-compatible way:
+
+    - Updated nested ``QPDF::EncryptionData`` class to add fields
+      needed by the newer encryption formats, member variables
+      changed to private so that future changes will not require
+      breaking backward compatibility.
+
+    - Added additional parameters to ``compute_data_key``, which is
+      used by ``QPDFWriter`` to compute the encryption key used to
+      encrypt a specific object.
+
+    - Removed the method ``flattenScalarReferences``. This method was
+      previously used prior to writing a new PDF file, but it has the
+      undesired side effect of causing qpdf to read objects in the
+      file that were not referenced. Some otherwise files have
+      unreferenced objects with errors in them, so this could cause
+      qpdf to reject files that would be accepted by virtually all
+      other PDF readers. In fact, qpdf relied on only a very small
+      part of what flattenScalarReferences did, so only this part has
+      been preserved, and it is now done directly inside
+      ``QPDFWriter``.
+
+    - Removed the method ``decodeStreams``. This method was used by
+      the :qpdf:ref:`--check` option of the
+      :command:`qpdf` command-line tool to force all
+      streams in the file to be decoded, but it also suffered from
+      the problem of opening otherwise unreferenced streams and thus
+      could report false positive. The
+      :qpdf:ref:`--check` option now causes qpdf to go
+      through all the motions of writing a new file based on the
+      original one, so it will always reference and check exactly
+      those parts of a file that any ordinary viewer would check.
+
+    - Removed the method ``trimTrailerForWrite``. This method was
+      used by ``QPDFWriter`` to modify the original QPDF object by
+      removing fields from the trailer dictionary that wouldn't apply
+      to the newly written file. This functionality, though generally
+      harmless, was a poor implementation and has been replaced by
+      having QPDFWriter filter these out when copying the trailer
+      rather than modifying the original QPDF object. (Note that qpdf
+      never modifies the original file itself.)
+
+  - Allow the PDF header to appear anywhere in the first 1024 bytes of
+    the file. This is consistent with what other readers do.
+
+  - Fix the :command:`pkg-config` files to list zlib
+    and pcre in ``Requires.private`` to better support static linking
+    using :command:`pkg-config`.
+
+3.0.2: September 6, 2012
+  - Bug fix: ``QPDFWriter::setOutputMemory`` did not work when not
+    used with ``QPDFWriter::setStaticID``, which made it pretty much
+    useless. This has been fixed.
+
+  - New API call ``QPDFWriter::setExtraHeaderText`` inserts additional
+    text near the header of the PDF file. The intended use case is to
+    insert comments that may be consumed by a downstream application,
+    though other use cases may exist.
+
+3.0.1: August 11, 2012
+  - Version 3.0.0 included addition of files for
+    :command:`pkg-config`, but this was not mentioned
+    in the release notes. The release notes for 3.0.0 were updated to
+    mention this.
+
+  - Bug fix: if an object stream ended with a scalar object not
+    followed by space, qpdf would incorrectly report that it
+    encountered a premature EOF. This bug has been in qpdf since
+    version 2.0.
+
+3.0.0: August 2, 2012
+  - Acknowledgment: I would like to express gratitude for the
+    contributions of Tobias Hoffmann toward the release of qpdf
+    version 3.0. He is responsible for most of the implementation and
+    design of the new API for manipulating pages, and contributed code
+    and ideas for many of the improvements made in version 3.0.
+    Without his work, this release would certainly not have happened
+    as soon as it did, if at all.
+
+  - *Non-compatible API changes:*
+
+    - The method ``QPDFObjectHandle::replaceStreamData`` that uses a
+      ``StreamDataProvider`` to provide the stream data no longer
+      takes a ``length`` parameter. The parameter was removed since
+      this provides the user an opportunity to simplify the calling
+      code. This method was introduced in version 2.2. At the time,
+      the ``length`` parameter was required in order to ensure that
+      calls to the stream data provider returned the same length for a
+      specific stream every time they were invoked. In particular, the
+      linearization code depends on this. Instead, qpdf 3.0 and newer
+      check for that constraint explicitly. The first time the stream
+      data provider is called for a specific stream, the actual length
+      is saved, and subsequent calls are required to return the same
+      number of bytes. This means the calling code no longer has to
+      compute the length in advance, which can be a significant
+      simplification. If your code fails to compile because of the
+      extra argument and you don't want to make other changes to your
+      code, just omit the argument.
+
+    - Many methods take ``long long`` instead of other integer types.
+      Most if not all existing code should compile fine with this
+      change since such parameters had always previously been smaller
+      types. This change was required to support files larger than two
+      gigabytes in size.
+
+  - Support has been added for large files. The test suite verifies
+    support for files larger than 4 gigabytes, and manual testing has
+    verified support for files larger than 10 gigabytes. Large file
+    support is available for both 32-bit and 64-bit platforms as long
+    as the compiler and underlying platforms support it.
+
+  - Support for page selection (splitting and merging PDF files) has
+    been added to the :command:`qpdf` command-line
+    tool. See :ref:`page-selection`.
+
+  - The :qpdf:ref:`--copy-encryption` option have been added to the
+    :command:`qpdf` command-line tool for copying encryption
+    parameters from another file.
+
+  - New methods have been added to the ``QPDF`` object for adding and
+    removing pages. See :ref:`adding-and-remove-pages`.
+
+  - New methods have been added to the ``QPDF`` object for copying
+    objects from other PDF files. See :ref:`foreign-objects`
+
+  - A new method ``QPDFObjectHandle::parse`` has been added for
+    constructing ``QPDFObjectHandle`` objects from a string
+    description.
+
+  - Methods have been added to ``QPDFWriter`` to allow writing to an
+    already open stdio ``FILE*`` addition to writing to standard
+    output or a named file. Methods have been added to ``QPDF`` to be
+    able to process a file from an already open stdio ``FILE*``. This
+    makes it possible to read and write PDF from secure temporary
+    files that have been unlinked prior to being fully read or
+    written.
+
+  - The ``QPDF::emptyPDF`` can be used to allow creation of PDF files
+    from scratch. The example
+    :file:`examples/pdf-create.cc` illustrates how
+    it can be used.
+
+  - Several methods to take ``PointerHolder<Buffer>`` can now also
+    accept ``std::string`` arguments.
+
+  - Many new convenience methods have been added to the library, most
+    in ``QPDFObjectHandle``. See :file:`ChangeLog`
+    for a full list.
+
+  - When building on a platform that supports ELF shared libraries
+    (such as Linux), symbol versions are enabled by default. They can
+    be disabled by passing
+    :samp:`--disable-ld-version-script` to
+    :command:`./configure`.
+
+  - The file :file:`libqpdf.pc` is now installed
+    to support :command:`pkg-config`.
+
+  - Image comparison tests are off by default now since they are not
+    needed to verify a correct build or port of qpdf. They are needed
+    only when changing the actual PDF output generated by qpdf. You
+    should enable them if you are making deep changes to qpdf itself.
+    See :file:`README.md` for details.
+
+  - Large file tests are off by default but can be turned on with
+    :command:`./configure` or by setting an environment
+    variable before running the test suite. See
+    :file:`README.md` for details.
+
+  - When qpdf's test suite fails, failures are not printed to the
+    terminal anymore by default. Instead, find them in
+    :file:`build/qtest.log`. For packagers who are
+    building with an autobuilder, you can add the
+    :samp:`--enable-show-failed-test-output` option to
+    :command:`./configure` to restore the old behavior.
+
+2.3.1: December 28, 2011
+  - Fix thread-safety problem resulting from non-thread-safe use of
+    the PCRE library.
+
+  - Made a few minor documentation fixes.
+
+  - Add workaround for a bug that appears in some versions of
+    ghostscript to the test suite
+
+  - Fix minor build issue for Visual C++ 2010.
+
+2.3.0: August 11, 2011
+  - Bug fix: when preserving existing encryption on encrypted files
+    with cleartext metadata, older qpdf versions would generate
+    password-protected files with no valid password. This operation
+    now works. This bug only affected files created by copying
+    existing encryption parameters; explicit encryption with
+    specification of cleartext metadata worked before and continues to
+    work.
+
+  - Enhance ``QPDFWriter`` with a new constructor that allows you to
+    delay the specification of the output file. When using this
+    constructor, you may now call ``QPDFWriter::setOutputFilename`` to
+    specify the output file, or you may use
+    ``QPDFWriter::setOutputMemory`` to cause ``QPDFWriter`` to write
+    the resulting PDF file to a memory buffer. You may then use
+    ``QPDFWriter::getBuffer`` to retrieve the memory buffer.
+
+  - Add new API call ``QPDF::replaceObject`` for replacing objects by
+    object ID
+
+  - Add new API call ``QPDF::swapObjects`` for swapping two objects by
+    object ID
+
+  - Add ``QPDFObjectHandle::getDictAsMap`` and
+    ``QPDFObjectHandle::getArrayAsVector`` to allow retrieval of
+    dictionary objects as maps and array objects as vectors.
+
+  - Add functions ``qpdf_get_info_key`` and ``qpdf_set_info_key`` to
+    the C API for manipulating string fields of the document's
+    ``/Info`` dictionary.
+
+  - Add functions ``qpdf_init_write_memory``,
+    ``qpdf_get_buffer_length``, and ``qpdf_get_buffer`` to the C API
+    for writing PDF files to a memory buffer instead of a file.
+
+2.2.4: June 25, 2011
+  - Fix installation and compilation issues; no functionality changes.
+
+2.2.3: April 30, 2011
+  - Handle some damaged streams with incorrect characters following
+    the stream keyword.
+
+  - Improve handling of inline images when normalizing content
+    streams.
+
+  - Enhance error recovery to properly handle files that use object 0
+    as a regular object, which is specifically disallowed by the spec.
+
+2.2.2: October 4, 2010
+  - Add new function ``qpdf_read_memory`` to the C API to call
+    ``QPDF::processMemoryFile``. This was an omission in qpdf 2.2.1.
+
+2.2.1: October 1, 2010
+  - Add new method ``QPDF::setOutputStreams`` to replace ``std::cout``
+    and ``std::cerr`` with other streams for generation of diagnostic
+    messages and error messages. This can be useful for GUIs or other
+    applications that want to capture any output generated by the
+    library to present to the user in some other way. Note that QPDF
+    does not write to ``std::cout`` (or the specified output stream)
+    except where explicitly mentioned in
+    :file:`QPDF.hh`, and that the only use of the
+    error stream is for warnings. Note also that output of warnings is
+    suppressed when ``setSuppressWarnings(true)`` is called.
+
+  - Add new method ``QPDF::processMemoryFile`` for operating on PDF
+    files that are loaded into memory rather than in a file on disk.
+
+  - Give a warning but otherwise ignore empty PDF objects by treating
+    them as null. Empty object are not permitted by the PDF
+    specification but have been known to appear in some actual PDF
+    files.
+
+  - Handle inline image filter abbreviations when the appear as stream
+    filter abbreviations. The PDF specification does not allow use of
+    stream filter abbreviations in this way, but Adobe Reader and some
+    other PDF readers accept them since they sometimes appear
+    incorrectly in actual PDF files.
+
+  - Implement miscellaneous enhancements to ``PointerHolder`` and
+    ``Buffer`` to support other changes.
+
+2.2.0: August 14, 2010
+  - Add new methods to ``QPDFObjectHandle`` (``newStream`` and
+    ``replaceStreamData`` for creating new streams and replacing
+    stream data. This makes it possible to perform a wide range of
+    operations that were not previously possible.
+
+  - Add new helper method in ``QPDFObjectHandle``
+    (``addPageContents``) for appending or prepending new content
+    streams to a page. This method makes it possible to manipulate
+    content streams without having to be concerned whether a page's
+    contents are a single stream or an array of streams.
+
+  - Add new method in ``QPDFObjectHandle``: ``replaceOrRemoveKey``,
+    which replaces a dictionary key with a given value unless the
+    value is null, in which case it removes the key instead.
+
+  - Add new method in ``QPDFObjectHandle``: ``getRawStreamData``,
+    which returns the raw (unfiltered) stream data into a buffer. This
+    complements the ``getStreamData`` method, which returns the
+    filtered (uncompressed) stream data and can only be used when the
+    stream's data is filterable.
+
+  - Provide two new examples:
+    :command:`pdf-double-page-size` and
+    :command:`pdf-invert-images` that illustrate the
+    newly added interfaces.
+
+  - Fix a memory leak that would cause loss of a few bytes for every
+    object involved in a cycle of object references. Thanks to Jian Ma
+    for calling my attention to the leak.
+
+2.1.5: April 25, 2010
+  - Remove restriction of file identifier strings to 16 bytes. This
+    unnecessary restriction was preventing qpdf from being able to
+    encrypt or decrypt files with identifier strings that were not
+    exactly 16 bytes long. The specification imposes no such
+    restriction.
+
+2.1.4: April 18, 2010
+  - Apply the same padding calculation fix from version 2.1.2 to the
+    main cross reference stream as well.
+
+  - Since :command:`qpdf --check` only performs limited
+    checks, clarify the output to make it clear that there still may
+    be errors that qpdf can't check. This should make it less
+    surprising to people when another PDF reader is unable to read a
+    file that qpdf thinks is okay.
+
+2.1.3: March 27, 2010
+  - Fix bug that could cause a failure when rewriting PDF files that
+    contain object streams with unreferenced objects that in turn
+    reference indirect scalars.
+
+  - Don't complain about (invalid) AES streams that aren't a multiple
+    of 16 bytes. Instead, pad them before decrypting.
+
+2.1.2: January 24, 2010
+  - Fix bug in padding around first half cross reference stream in
+    linearized files. The bug could cause an assertion failure when
+    linearizing certain unlucky files.
+
+2.1.1: December 14, 2009
+  - No changes in functionality; insert missing include in an internal
+    library header file to support gcc 4.4, and update test suite to
+    ignore broken Adobe Reader installations.
+
+2.1: October 30, 2009
+  - This is the first version of qpdf to include Windows support. On
+    Windows, it is possible to build a DLL. Additionally, a partial
+    C-language API has been introduced, which makes it possible to
+    call qpdf functions from non-C++ environments. I am very grateful
+    to Žarko Gajić (http://zarko-gajic.iz.hr/) for tirelessly testing
+    numerous pre-release versions of this DLL and providing many
+    excellent suggestions on improving the interface.
+
+    For programming to the C interface, please see the header file
+    :file:`qpdf/qpdf-c.h` and the example
+    :file:`examples/pdf-linearize.c`.
+
+  - Žarko Gajić has written a Delphi wrapper for qpdf, which can be
+    downloaded from qpdf's download side. Žarko's Delphi wrapper is
+    released with the same licensing terms as qpdf itself and comes
+    with this disclaimer: "Delphi wrapper unit
+    :file:`qpdf.pas` created by Žarko Gajić
+    (http://zarko-gajic.iz.hr/). Use at your own risk and for whatever
+    purpose you want. No support is provided. Sample code is
+    provided."
+
+  - Support has been added for AES encryption and crypt filters.
+    Although qpdf does not presently support files that use PKI-based
+    encryption, with the addition of AES and crypt filters, qpdf is
+    now be able to open most encrypted files created with newer
+    versions of Acrobat or other PDF creation software. Note that I
+    have not been able to get very many files encrypted in this way,
+    so it's possible there could still be some cases that qpdf can't
+    handle. Please report them if you find them.
+
+  - Many error messages have been improved to include more information
+    in hopes of making qpdf a more useful tool for PDF experts to use
+    in manually recovering damaged PDF files.
+
+  - Attempt to avoid compressing metadata streams if possible. This is
+    consistent with other PDF creation applications.
+
+  - Provide new command-line options for AES encrypt, cleartext
+    metadata, and setting the minimum and forced PDF versions of
+    output files.
+
+  - Add additional methods to the ``QPDF`` object for querying the
+    document's permissions. Although qpdf does not enforce these
+    permissions, it does make them available so that applications that
+    use qpdf can enforce permissions.
+
+  - The :qpdf:ref:`--check` option to
+    :command:`qpdf` has been extended to include some
+    additional information.
+
+  - *Non-compatible API changes:*
+
+    - QPDF's exception handling mechanism now uses
+      ``std::logic_error`` for internal errors and
+      ``std::runtime_error`` for runtime errors in favor of the now
+      removed ``QEXC`` classes used in previous versions. The ``QEXC``
+      exception classes predated the addition of the
+      :file:`<stdexcept>` header file to the C++ standard library.
+      Most of the exceptions thrown by the qpdf library itself are
+      still of type ``QPDFExc`` which is now derived from
+      ``std::runtime_error``. Programs that catch an instance of
+      ``std::exception`` and displayed it by calling the ``what()``
+      method will not need to be changed.
+
+    - The ``QPDFExc`` class now internally represents various fields
+      of the error condition and provides interfaces for querying
+      them. Among the fields is a numeric error code that can help
+      applications act differently on (a small number of) different
+      error conditions. See :file:`QPDFExc.hh` for details.
+
+    - Warnings can be retrieved from qpdf as instances of ``QPDFExc``
+      instead of strings.
+
+    - The nested ``QPDF::EncryptionData`` class's constructor takes an
+      additional argument. This class is primarily intended to be used
+      by ``QPDFWriter``. There's not really anything useful an
+      end-user application could do with it. It probably shouldn't
+      really be part of the public interface to begin with. Likewise,
+      some of the methods for computing internal encryption dictionary
+      parameters have changed to support ``/R=4`` encryption.
+
+    - The method ``QPDF::getUserPassword`` has been removed since it
+      didn't do what people would think it did. There are now two new
+      methods: ``QPDF::getPaddedUserPassword`` and
+      ``QPDF::getTrimmedUserPassword``. The first one does what the
+      old ``QPDF::getUserPassword`` method used to do, which is to
+      return the password with possible binary padding as specified by
+      the PDF specification. The second one returns a human-readable
+      password string.
+
+    - The enumerated types that used to be nested in ``QPDFWriter``
+      have moved to top-level enumerated types and are now defined in
+      the file :file:`qpdf/Constants.h`. This enables them to be
+      shared by both the C and C++ interfaces.
+
+2.0.6: May 3, 2009
+  - Do not attempt to uncompress streams that have decode parameters
+    we don't recognize. Earlier versions of qpdf would have rejected
+    files with such streams.
+
+2.0.5: March 10, 2009
+  - Improve error handling in the LZW decoder, and fix a small error
+    introduced in the previous version with regard to handling full
+    tables. The LZW decoder has been more strongly verified in this
+    release.
+
+2.0.4: February 21, 2009
+  - Include proper support for LZW streams encoded without the "early
+    code change" flag. Special thanks to Atom Smasher who reported the
+    problem and provided an input file compressed in this way, which I
+    did not previously have.
+
+  - Implement some improvements to file recovery logic.
+
+2.0.3: February 15, 2009
+  - Compile cleanly with gcc 4.4.
+
+  - Handle strings encoded as UTF-16BE properly.
+
+2.0.2: June 30, 2008
+  - Update test suite to work properly with a
+    non-:command:`bash`
+    :file:`/bin/sh` and with Perl 5.10. No changes
+    were made to the actual qpdf source code itself for this release.
+
+2.0.1: May 6, 2008
+  - No changes in functionality or interface. This release includes
+    fixes to the source code so that qpdf compiles properly and passes
+    its test suite on a broader range of platforms. See
+    :file:`ChangeLog` in the source distribution
+    for details.
+
+2.0: April 29, 2008
+  - First public release.

_service:tar_scm:qpdf-11.1.0.tar.gz/manual/weak-crypto.rst Added

@@ -0,0 +1,196 @@
+.. _weak-crypto:
+
+Weak Cryptography
+=================
+
+For help with compiler errors in qpdf 11.0 or newer, see
+:ref:`breaking-crypto-api`.
+
+Since 2006, the PDF specification has offered ways to create encrypted
+PDF files without using weak cryptography, though it took a few years
+for many PDF readers and writers to catch up. It is still necessary to
+support weak encryption algorithms to read encrypted PDF files that
+were created using weak encryption algorithms, including all PDF files
+created before the modern formats were introduced or widely supported.
+
+Starting with version 10.4, qpdf began taking steps to reduce the
+likelihood of a user *accidentally* creating PDF files with insecure
+cryptography but will continue to allow creation of such files
+indefinitely with explicit acknowledgment. The restrictions on use of
+weak cryptography were made stricter with qpdf 11.
+
+Definition of Weak Cryptographic Algorithm
+------------------------------------------
+
+We divide weak cryptographic algorithms into two categories: weak
+encryption and weak hashing. Encryption is encoding data such that a
+key of some sort is required to decode it. Hashing is creating a short
+value from data in such a way that it is extremely improbable to find
+two documents with the same hash (known has a hash collision) and
+extremely difficult to intentionally create a document with a specific
+hash or two documents with the same hash.
+
+When we say that an encryption algorithm is weak, we either mean that
+a mathematical flaw has been discovered that makes it inherently
+insecure or that it is sufficiently simple that modern computer
+technology makes it possible to use "brute force" to crack. For
+example, when 40-bit keys were originally introduced, it wasn't
+practical to consider trying all possible keys, but today such a thing
+is possible.
+
+When we say that a hashing algorithm is weak, we mean that, either
+because of mathematical flaw or insufficient complexity, it is
+computationally feasible to intentionally construct a hash collision.
+
+While weak encryption should always be avoided, there are cases in
+which it is safe to use a weak hashing algorithm when security is not
+a factor. For example, a weak hashing algorithm should not be used as
+the only mechanism to test whether a file has been tampered with. In
+other words, you can't use a weak hash as a digital signature. There
+is no harm, however, in using a weak hash as a way to sort or index
+documents as long as hash collisions are tolerated. It is also common
+to use weak hashes as checksums, which are often used a check that a
+file wasn't damaged in transit or storage, though for true integrity,
+a strong hash would be better.
+
+Note that qpdf must always retain support for weak cryptographic
+algorithms since this is required for reading older PDF files that use
+it. Additionally, qpdf will always retain the ability to create files
+using weak cryptographic algorithms since, as a development tool, qpdf
+explicitly supports creating older or deprecated types of PDF files
+since these are sometimes needed to test or work with older versions of
+software. Even if other cryptography libraries drop support for RC4 or
+MD5, qpdf can always fall back to its internal implementations of those
+algorithms, so they are not going to disappear from qpdf.
+
+Uses of Weak Encryption in qpdf
+---------------------------------
+
+When PDF files are encrypted using 40-bit encryption or 128-bit
+encryption without AES, then the weak *RC4* algorithm is used. You can
+avoid using weak encryption in qpdf by always using 256-bit
+encryption. Unless you are trying to create files that need to be
+opened with PDF readers from before about 2010 (by which time most
+readers had added support for the stronger encryption algorithms) or
+are creating insecure files explicitly for testing or some similar
+purpose, there is no reason to use anything other than 256-bit
+encryption.
+
+By default, qpdf refuses to write a file that uses weak encryption.
+You can explicitly allow this by specifying the
+:qpdf:ref:`--allow-weak-crypto` option.
+
+In qpdf 11, all library methods that could potentially cause files to
+be written with weak encryption were deprecated, and methods to enable
+weak encryption were either given explicit names indicating this or
+take required arguments to enable the insecure behavior.
+
+There is one exception: when encryption parameters are copied from the
+input file or another file to the output file, there is no prohibition
+or even warning against using insecure encryption. The reason is that
+many qpdf operations simply preserve whatever encryption is there, and
+requiring confirmation to *preserve* insecure encryption would cause
+qpdf to break when non-encryption-related operations were performed on
+files that happened to be encrypted. Failing or generating warnings in
+this case would likely have the effect of making people use the
+:qpdf:ref:`--allow-weak-crypto` option blindly, which would be worse
+than just letting those files go so that explicit, conscious selection
+of weak crypto would be more likely to be noticed. Why, you might ask,
+does this apply to :qpdf:ref:`--copy-encryption` as well as to the
+default behavior preserving encryption? The answer is that
+:qpdf:ref:`--copy-encryption` works with an unencrypted file as input,
+which enables workflows where one may start with a file, decrypt it
+*just in case*, perform a series of operations, and then reapply the
+original encryption, *if any*. Also, one may have a template used for
+encryption that one may apply to a variety of output files, and it
+would be annoying to be warned about it for every output file.
+
+Uses of Weak Hashing In QPDF
+----------------------------
+
+The PDF specification makes use the weak *MD5* hashing algorithm in
+several places. While it is used in the encryption algorithms,
+breaking MD5 would not be adequate to crack an encrypted file when
+256-bit encryption is in use, so using 256-bit encryption is adequate
+for avoiding the use of MD5 for anything security-sensitive.
+
+MD5 is used in the following non-security-sensitive ways:
+
+- Generation of the document ID. The document ID is an input parameter
+  to the document encryption but is not itself considered to be
+  secure. They are supposed to be unique, but they are not
+  tamper-resistent in non-encrypted PDF files, and hash collisions
+  must be tolerated.
+
+  The PDF specification recommends but does not require the use of MD5
+  in generation of document IDs. Usually there is also a random
+  component to document ID generation. There is a qpdf-specific
+  feature of generating a *deterministic ID* (see
+  :qpdf:ref:`--deterministic-id`) which also uses MD5. While it would
+  certainly be possible to change the deterministic ID algorithm to
+  not use MD5, doing so would break all previous deterministic IDs
+  (which would render the feature useless for many cases) and would
+  offer very little benefit since even a securely generated document
+  ID is not itself a security-sensitive value.
+
+- Checksums in embedded file streams -- the PDF specification
+  specifies the use of MD5.
+
+It is therefore not possible completely avoid the use of MD5 with
+qpdf, but as long as you are using 256-bit encryption, it is not used
+in a security-sensitive fashion.
+
+.. _breaking-crypto-api:
+
+API-Breaking Changes in qpdf 11.0
+---------------------------------
+
+In qpdf 11, several deprecated functions and methods were removed.
+These methods provided an incomplete API. Alternatives were added in
+qpdf 8.4.0. The removed functions are
+
+- C API: ``qpdf_set_r3_encryption_parameters``,
+  ``qpdf_set_r4_encryption_parameters``,
+  ``qpdf_set_r5_encryption_parameters``,
+  ``qpdf_set_r6_encryption_parameters``
+
+- ``QPDFWriter``: overloaded versions of these methods with fewer
+  arguments: ``setR3EncryptionParameters``,
+  ``setR4EncryptionParameters``, ``setR5EncryptionParameters``, and
+  ``setR6EncryptionParameters``
+
+Additionally, remaining functions/methods had their names changed to
+signal that they are insecure and to force developers to make a
+decision. If you intentionally want to continue to use insecure
+cryptographic algorithms and create insecure files, you can change
+your code just add ``_insecure`` or ``Insecure`` to the end of the
+function as needed. (Note the disappearance of ``2`` in some of the C
+functions as well.) Better, you should migrate your code to use more
+secure encryption as documented in :file:`QPDFWriter.hh`. Use the
+``R6`` methods (or their corresponding C functions) to create files
+with 256-bit encryption.
+
+.. list-table:: Renamed Functions
+   :widths: 50 50
+   :header-rows: 1
+
+   - - Old Name
+     - New Name
+
+   - - qpdf_set_r2_encryption_parameters
+     - qpdf_set_r2_encryption_parameters_insecure
+
+   - - qpdf_set_r3_encryption_parameters2
+     - qpdf_set_r3_encryption_parameters_insecure
+
+   - - qpdf_set_r4_encryption_parameters2
+     - qpdf_set_r2_encryption_parameters_insecure
+
+   - - QPDFWriter::setR2EncryptionParameters
+     - QPDFWriter::setR2EncryptionParametersInsecure
+
+   - - QPDFWriter::setR3EncryptionParameters
+     - QPDFWriter::setR3EncryptionParametersInsecure
+
+   - - QPDFWriter::setR4EncryptionParameters
+     - QPDFWriter::setR4EncryptionParametersInsecure

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/zlib-flate.1.in -> _service:tar_scm:qpdf-11.1.0.tar.gz/manual/zlib-flate.1.in Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/performance_check Added

@@ -0,0 +1,336 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use File::Basename;
+use Time::HiRes qw(gettimeofday tv_interval);
+use File::Path qw(make_path);
+use IPC::Open3;
+use IO::Pipe;
+
+my $whoami = basename($0);
+$| = 1;
+
+#  name,  args  
+my @tests = (
+    'no arguments', ,
+    'generate object streams', '--object-streams=generate',
+    'disable object streams', '--object-streams=disable',
+    'split pages', '--split-pages', '--remove-unreferenced-resources=no',
+    'shared resource check', '--split-pages', '--remove-unreferenced-resources=auto',
+    'linearize', '--linearize',
+    'encrypt', '--encrypt', 'u', 'o', '256', '--',
+    'json-output', '--json-output',
+    'json-input', '--json-input',
+    );
+
+# If arg is not found in help output, look here. If not here, skip test.
+# { new => old } -- if new is not found, replace with old; if old is
+#                   if old is empty, remove argument
+my %arg_compat = (
+    '--remove-unreferenced-resources=no' => '--preserve-unreferenced-resources',
+    '--remove-unreferenced-resources=yes' => '',
+    '--remove-unreferenced-resources=auto' => undef,
+    '--report-memory-usage' => '',
+    );
+
+my $executable = undef;
+my $test_dir = undef;
+my $test_file = undef;
+my $workdir = undef;
+my $maxtime = undef;
+my $iterations = undef;
+
+my $default_executable = 'build/qpdf/qpdf';
+my $default_test_dir = '../performance-test-files';
+my $default_test_file = undef;
+my $default_workdir = 'build/perf';
+my $default_maxtime = 20;
+my $default_iterations = 20;
+
+sub usage
+{
+    die "
+Usage: $whoami  args 
+  --dir dir           test on all files in dir (default: $default_test_dir)
+  --file file         test only on the named file
+  --executable qpdf   use the specified qpdf (default: $default_executable)
+  --workdir           where to write output pdfs (default: $default_workdir)
+  --maxtime           maximum time for a test; 0 means unlimited (default: $default_maxtime)
+  --iterations        number of iterations (default: $default_iterations)
+
+Populate $test_dir with files you want to use for performance
+benchmarking. PDF files and qpdf JSON files are allowed. The qpdf
+release process uses a clone of
+https://github.com/qpdf/performance-test-files for this purpose.
+
+";
+}
+
+while (@ARGV)
+{
+    my $arg = shift(@ARGV);
+    if ('--dir' eq $arg)
+    {
+        usage() unless @ARGV;
+        $test_dir = shift(@ARGV);
+        $test_file = undef;
+    }
+    elsif ('--file' eq $arg)
+    {
+        usage() unless @ARGV;
+        $test_file = shift(@ARGV);
+        $test_dir = undef;
+    }
+    elsif ('--executable' eq $arg)
+    {
+        usage() unless @ARGV;
+        $executable = shift(@ARGV);
+    }
+    elsif ('--workdir' eq $arg)
+    {
+        usage() unless @ARGV;
+        $workdir = shift(@ARGV);
+    }
+    elsif ('--maxtime' eq $arg)
+    {
+        usage() unless @ARGV;
+        $maxtime = shift(@ARGV);
+    }
+    elsif ('--iterations' eq $arg)
+    {
+        usage() unless @ARGV;
+        $iterations = shift(@ARGV);
+    }
+    else
+    {
+        usage();
+    }
+}
+
+if ((! defined $test_dir) && (! defined $test_file))
+{
+    $test_dir = $default_test_dir;
+}
+if (! defined $executable)
+{
+    $executable = $default_executable;
+}
+if (! defined $workdir)
+{
+    $workdir = $default_workdir;
+}
+if (! defined $maxtime)
+{
+    $maxtime = $default_maxtime;
+}
+if (! defined $iterations)
+{
+    $iterations = $default_iterations;
+}
+
+my @test_files = ();
+my @json_test_files = ();
+{ # private scope
+    my @tmp = ();
+    if (defined $test_file)
+    {
+        push(@tmp, $test_file);
+    }
+    else
+    {
+        opendir(D, $test_dir) or die "
+$whoami: can't open test directory: $!
+
+Configured test directory: $test_dir
+
+Populate $test_dir with a clone of the
+qpdf/performance-test-files github repository.
+Run $whoami --help for details.
+
+Repository URL: https://github.com/qpdf/performance-test-files
+
+";
+        my @entries = readdir(D);
+        closedir(D);
+        for (sort @entries)
+        {
+            my $file = "$test_dir/$_";
+            if (-f $file && $file =~ m/.(pdf|json)$/i)
+            {
+                push(@tmp, $file);
+            }
+        }
+    }
+    foreach my $i (@tmp)
+    {
+        if ($i =~ m/.json$/)
+        {
+            push(@json_test_files, $i);
+        }
+        else
+        {
+            push(@test_files, $i);
+        }
+    }
+}
+
+my $report_mem = filter_args("--report-memory-usage");
+{
+    my ($r, $mem) = run_cmd($executable, @$report_mem,
+                            "--empty", File::Spec->devnull());
+    if ($r != 0)
+    {
+        die "$whoami: $executable doesn't seem to work\n";
+    }
+    if ($mem == 0)
+    {
+        print "** Note: memory information is not available **\n";
+    }
+}
+
+run_tests();
+print "\n";
+
+sub filter_args
+{
+    my $args = shift;
+    my $help = `$executable --help=all`;
+    my $new_args = ;
+    foreach my $arg (@$args)
+    {
+        my $to_check = $arg;
+        $to_check =~ s/=.*$//;
+        if (index($help, $to_check) == -1)
+        {
+            my $new_arg = $arg_compat{$arg};
+            if (! defined $new_arg)
+            {
+                return undef;
+            }
+            if ($new_arg ne '')
+            {
+                print "  replacing $arg with $new_arg\n";
+                push(@$new_args, $new_arg);
+            }
+        }
+        else
+        {
+            push(@$new_args, $arg);
+        }
+    }
+    $new_args;
+}
+
+sub run_tests
+{
+    my $args = shift;
+
+    chomp(my $commit = `git describe @`);
+    print "commit: $commit\n";
+    print "Format: time-in-seconds  RAM-in-MiB  filename\n";
+    make_path($workdir);
+    foreach my $test (@tests)
+    {
+        my ($name, $args) = @$test;
+        print " test: $name\n";
+        $args = filter_args($args);
+        if (! defined $args)
+        {
+            print "  skipping (unknown arguments)\n";
+            next;
+        }
+        my $test_files = \@test_files;
+        foreach my $arg (@$args)
+        {
+            if ($arg eq '--json-input')
+            {
+                $test_files = \@json_test_files;
+                last;
+            }
+        }
+        foreach my $file (@$test_files)
+        {
+            my $time = run_test($file, $args);
+            if (defined $time)
+            {
+                print "  $time  " . basename($file) ."\n";
+            }
+            else
+            {
+                print "   $file skipped\n";
+            }
+        }
+    }
+}
+
+sub run_test
+{
+    my ($file, $args) = @_;
+
+    my $outfile = "out.pdf";
+    foreach my $arg (@$args)
+    {
+        if ($arg eq '--json-output')
+        {
+            $outfile = "out.json";
+            last;
+        }
+    }
+    my @cmd = ($executable, @$args, @$report_mem, $file, "$workdir/$outfile");
+    # Run once and discard to update caches
+    system("sync");
+    run_cmd(@cmd);
+    my $i = 0;
+    my $total = 0;
+    my $max_mem = 0;
+    while ($i < $iterations)
+    {
+        my $start = gettimeofday;
+        my ($r, $mem) = run_cmd(@cmd);
+        if ($r == 2)
+        {
+            # interrupt
+            exit(2);
+        }
+        my $end = gettimeofday;
+        if ($r != 0)
+        {
+            print "  command failed; ignoring results\n";
+            return undef;
+        }
+        $max_mem = $mem > $max_mem ? $mem : $max_mem;
+        my $elapsed = tv_interval($start, $end);
+        $total += $elapsed;
+        ++$i;
+        if (($maxtime > 0) && ($total >= $maxtime) && ($i >= 3))
+        {
+            # This is taking too long, so take what we have
+            last;
+        }
+    }
+    return sprintf("%8.4f  %8.4f", $total / $i, $max_mem / 1048576);
+}
+
+sub run_cmd
+{
+    my @cmd = @_;
+    my $pipe = IO::Pipe->new();
+    my $pid = open3(my $child_in, '>&STDOUT', $pipe->writer(), @cmd);
+    $child_in->close();
+    waitpid($pid, 0);
+    my $r = $?;
+    my $mem = 0;
+    while (<$pipe>)
+    {
+        if (m/qpdf-max-memory-usage (\d+)/)
+        {
+            $mem = $1;
+        }
+        else
+        {
+            warn $_;
+        }
+    }
+    ($r, $mem);
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test/CMakeLists.txt Added

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test/README.md Added

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test/qpdf-version.cc Added

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test/run-all Added

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test/test-cli Added

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test/test-cmake Added

_service:tar_scm:qpdf-11.1.0.tar.gz/pkg-test/test-pkg-config Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/CMakeLists.txt Added

@@ -0,0 +1,90 @@
+set(MAIN_CXX_PROGRAMS
+  qpdf
+  fix-qdf
+  pdf_from_scratch
+  sizes
+  test_driver
+  test_large_file
+  test_many_nulls
+  test_parsedoffset
+  test_pdf_doc_encoding
+  test_pdf_unicode
+  test_renumber
+  test_shell_glob
+  test_tokenizer
+  test_unicode_filenames
+  test_xref)
+set(MAIN_C_PROGRAMS
+  qpdf-ctest
+  qpdfjob-ctest)
+
+foreach(PROG ${MAIN_CXX_PROGRAMS})
+  add_executable(${PROG} ${PROG}.cc)
+  target_link_libraries(${PROG} libqpdf)
+endforeach()
+foreach(PROG ${MAIN_C_PROGRAMS})
+  add_executable(${PROG} ${PROG}.c)
+  target_link_libraries(${PROG} libqpdf)
+  set_property(TARGET ${PROG} PROPERTY LINKER_LANGUAGE CXX)
+endforeach()
+target_include_directories(sizes PRIVATE ${JPEG_INCLUDE})
+
+set(needs_private_headers
+  test_large_file
+  test_driver
+  qpdf-ctest
+  qpdfjob-ctest
+  )
+foreach(TARGET ${needs_private_headers})
+  target_include_directories(${TARGET} PRIVATE ${CMAKE_SOURCE_DIR}/libqpdf)
+endforeach()
+
+foreach(B qpdf test_unicode_filenames fix-qdf test_shell_glob)
+  if(WINDOWS_WMAIN_COMPILE)
+    target_compile_options(${B} PRIVATE ${WINDOWS_WMAIN_COMPILE})
+  endif()
+  if(WINDOWS_WMAIN_LINK)
+    target_link_options(${B} PRIVATE ${WINDOWS_WMAIN_LINK})
+  endif()
+endforeach()
+
+add_test(
+  NAME qpdf
+  COMMAND ${RUN_QTEST}
+  --top ${qpdf_SOURCE_DIR}
+  --bin $<TARGET_FILE_DIR:qpdf>
+  --bin $<TARGET_FILE_DIR:libqpdf>  # for Windows to find DLL
+  --code ${qpdf_SOURCE_DIR}/qpdf
+  --color ${QTEST_COLOR}
+  --show-on-failure ${SHOW_FAILED_TEST_OUTPUT}
+  --tc "${qpdf_SOURCE_DIR}/qpdf/*.cc"
+  --tc "${qpdf_SOURCE_DIR}/qpdf/*.c"
+  --tc "${qpdf_SOURCE_DIR}/libqpdf/*.cc")
+
+install(TARGETS qpdf fix-qdf
+  TYPE RUNTIME
+  COMPONENT ${COMPONENT_CLI})
+
+if(MINGW)
+  # For MSVC, including InstallRequiredSystemLibraries in the
+  # top-level CMakeLists.txt is sufficient. For mingw, we have to copy
+  # mingw libraries in ourselves.
+  set(ONE_GNU_DLL extra-dlls/libstdc++-6.dll)
+  add_custom_command(OUTPUT ${ONE_GNU_DLL}
+    COMMAND
+    perl ${qpdf_SOURCE_DIR}/copy_dlls
+    qpdf.exe
+    ${CMAKE_BINARY_DIR}/libqpdf
+    extra-dlls)
+  add_custom_target(extra_dlls ALL DEPENDS ${ONE_GNU_DLL})
+  add_dependencies(extra_dlls qpdf)
+  if(BUILD_SHARED_LIBS)
+    set(EXTRA_DLL_COMPONENT ${COMPONENT_LIB})
+  else()
+    set(EXTRA_DLL_COMPONENT ${COMPONENT_CLI})
+  endif()
+  # The trailing / prevents "extra-dlls" from being created in bin.
+  install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/extra-dlls/
+    TYPE BIN
+    COMPONENT ${EXTRA_DLL_COMPONENT})
+endif()

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/fix-qdf.cc Added

@@ -0,0 +1,427 @@
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFXRefEntry.hh>
+#include <qpdf/QUtil.hh>
+#include <cstdio>
+#include <cstring>
+#include <iostream>
+#include <regex>
+
+static char const* whoami = 0;
+
+static void
+usage()
+{
+    std::cerr << "Usage: " << whoami << " filename" << std::endl;
+    exit(2);
+}
+
+class QdfFixer
+{
+  public:
+    QdfFixer(std::string const& filename);
+    void processLines(std::list<std::string>& lines);
+
+  private:
+    void fatal(std::string const&);
+    void checkObjId(std::string const& obj_id);
+    void adjustOstreamXref();
+    void writeOstream();
+    void writeBinary(unsigned long long val, size_t bytes);
+
+    std::string filename;
+    enum {
+        st_top,
+        st_in_obj,
+        st_in_stream,
+        st_after_stream,
+        st_in_ostream_dict,
+        st_in_ostream_offsets,
+        st_in_ostream_outer,
+        st_in_ostream_obj,
+        st_in_xref_stream_dict,
+        st_in_length,
+        st_at_xref,
+        st_before_trailer,
+        st_in_trailer,
+        st_done,
+    } state;
+
+    size_t lineno;
+    qpdf_offset_t offset;
+    qpdf_offset_t last_offset;
+    int last_obj;
+    std::vector<QPDFXRefEntry> xref;
+    qpdf_offset_t stream_start;
+    size_t stream_length;
+    qpdf_offset_t xref_offset;
+    size_t xref_f1_nbytes;
+    size_t xref_f2_nbytes;
+    size_t xref_size;
+    std::vector<std::string> ostream;
+    std::vector<qpdf_offset_t> ostream_offsets;
+    std::vector<std::string> ostream_discarded;
+    size_t ostream_idx;
+    int ostream_id;
+    std::string ostream_extends;
+};
+
+QdfFixer::QdfFixer(std::string const& filename) :
+    filename(filename),
+    state(st_top),
+    lineno(0),
+    offset(0),
+    last_offset(0),
+    last_obj(0),
+    stream_start(0),
+    stream_length(0),
+    xref_offset(0),
+    xref_f1_nbytes(0),
+    xref_f2_nbytes(0),
+    xref_size(0),
+    ostream_idx(0),
+    ostream_id(0)
+{
+}
+
+void
+QdfFixer::fatal(std::string const& msg)
+{
+    std::cerr << msg << std::endl;
+    exit(2);
+}
+
+void
+QdfFixer::processLines(std::list<std::string>& lines)
+{
+    static std::regex re_n_0_obj("^(\\d+) 0 obj\n$");
+    static std::regex re_xref("^xref\n$");
+    static std::regex re_stream("^stream\n$");
+    static std::regex re_endobj("^endobj\n$");
+    static std::regex re_type_objstm("/Type /ObjStm");
+    static std::regex re_type_xref("/Type /XRef");
+    static std::regex re_extends("/Extends (\\d+ 0 R)");
+    static std::regex re_ostream_obj("^%% Object stream: object (\\d+)");
+    static std::regex re_endstream("^endstream\n$");
+    static std::regex re_length_or_w("/(Length|W) ");
+    static std::regex re_size("/Size ");
+    static std::regex re_ignore_newline("^%QDF: ignore_newline\n$");
+    static std::regex re_num("^\\d+\n$");
+    static std::regex re_trailer("^trailer <<");
+    static std::regex re_size_n("^  /Size \\d+\n$");
+    static std::regex re_dict_end("^>>\n$");
+
+    lineno = 0;
+    for (auto const& line: lines) {
+        ++lineno;
+        last_offset = offset;
+        offset += QIntC::to_offset(line.length());
+        std::smatch m;
+        auto matches = &m, &line(std::regex& r) {
+            return std::regex_search(line, m, r);
+        };
+        if (state == st_top) {
+            if (matches(re_n_0_obj)) {
+                checkObjId(m1.str());
+                state = st_in_obj;
+            } else if (matches(re_xref)) {
+                xref_offset = last_offset;
+                state = st_at_xref;
+            }
+            std::cout << line;
+        } else if (state == st_in_obj) {
+            std::cout << line;
+            if (matches(re_stream)) {
+                state = st_in_stream;
+                stream_start = offset;
+            } else if (matches(re_endobj)) {
+                state = st_top;
+            } else if (matches(re_type_objstm)) {
+                state = st_in_ostream_dict;
+                ostream_id = last_obj;
+            } else if (matches(re_type_xref)) {
+                xref_offset = xref.back().getOffset();
+                xref_f1_nbytes = 0;
+                auto t = xref_offset;
+                while (t) {
+                    t >>= 8;
+                    ++xref_f1_nbytes;
+                }
+                // Figure out how many bytes we need for ostream
+                // index. Make sure we get at least 1 byte even if
+                // there are no object streams.
+                int max_objects = 1;
+                for (auto const& e: xref) {
+                    if ((e.getType() == 2) &&
+                        (e.getObjStreamIndex() > max_objects)) {
+                        max_objects = e.getObjStreamIndex();
+                    }
+                }
+                while (max_objects) {
+                    max_objects >>= 8;
+                    ++xref_f2_nbytes;
+                }
+                auto esize = 1 + xref_f1_nbytes + xref_f2_nbytes;
+                xref_size = 1 + xref.size();
+                auto length = xref_size * esize;
+                std::cout << "  /Length " << length << "\n"
+                          << "  /W  1 " << xref_f1_nbytes << " "
+                          << xref_f2_nbytes << " "
+                          << "\n";
+                state = st_in_xref_stream_dict;
+            }
+        } else if (state == st_in_ostream_dict) {
+            if (matches(re_stream)) {
+                state = st_in_ostream_offsets;
+            } else {
+                ostream_discarded.push_back(line);
+                if (matches(re_extends)) {
+                    ostream_extends = m1.str();
+                }
+            }
+            // discard line
+        } else if (state == st_in_ostream_offsets) {
+            if (matches(re_ostream_obj)) {
+                checkObjId(m1.str());
+                stream_start = last_offset;
+                state = st_in_ostream_outer;
+                ostream.push_back(line);
+            } else {
+                ostream_discarded.push_back(line);
+            }
+            // discard line
+        } else if (state == st_in_ostream_outer) {
+            adjustOstreamXref();
+            ostream_offsets.push_back(last_offset - stream_start);
+            state = st_in_ostream_obj;
+            ostream.push_back(line);
+        } else if (state == st_in_ostream_obj) {
+            ostream.push_back(line);
+            if (matches(re_ostream_obj)) {
+                checkObjId(m1.str());
+                state = st_in_ostream_outer;
+            } else if (matches(re_endstream)) {
+                stream_length = QIntC::to_size(last_offset - stream_start);
+                writeOstream();
+                state = st_in_obj;
+            }
+        } else if (state == st_in_xref_stream_dict) {
+            if (matches(re_length_or_w)) {
+                // already printed
+            } else if (matches(re_size)) {
+                auto xref_size = 1 + xref.size();
+                std::cout << "  /Size " << xref_size << "\n";
+            } else {
+                std::cout << line;
+            }
+            if (matches(re_stream)) {
+                writeBinary(0, 1);
+                writeBinary(0, xref_f1_nbytes);
+                writeBinary(0, xref_f2_nbytes);
+                for (auto const& x: xref) {
+                    unsigned long long f1 = 0;
+                    unsigned long long f2 = 0;
+                    unsigned int type = QIntC::to_uint(x.getType());
+                    if (1 == type) {
+                        f1 = QIntC::to_ulonglong(x.getOffset());
+                    } else {
+                        f1 = QIntC::to_ulonglong(x.getObjStreamNumber());
+                        f2 = QIntC::to_ulonglong(x.getObjStreamIndex());
+                    }
+                    writeBinary(type, 1);
+                    writeBinary(f1, xref_f1_nbytes);
+                    writeBinary(f2, xref_f2_nbytes);
+                }
+                std::cout << "\nendstream\nendobj\n\n"
+                          << "startxref\n"
+                          << xref_offset << "\n%%EOF\n";
+                state = st_done;
+            }
+        } else if (state == st_in_stream) {
+            if (matches(re_endstream)) {
+                stream_length = QIntC::to_size(last_offset - stream_start);
+                state = st_after_stream;
+            }
+            std::cout << line;
+        } else if (state == st_after_stream) {
+            if (matches(re_ignore_newline)) {
+                if (stream_length > 0) {
+                    --stream_length;
+                }
+            } else if (matches(re_n_0_obj)) {
+                checkObjId(m1.str());
+                state = st_in_length;
+            }
+            std::cout << line;
+        } else if (state == st_in_length) {
+            if (!matches(re_num)) {
+                fatal(
+                    filename + ":" + QUtil::uint_to_string(lineno) +
+                    ": expected integer");
+            }
+            std::string new_length =
+                QUtil::uint_to_string(stream_length) + "\n";
+            offset -= QIntC::to_offset(line.length());
+            offset += QIntC::to_offset(new_length.length());
+            std::cout << new_length;
+            state = st_top;
+        } else if (state == st_at_xref) {
+            auto n = xref.size();
+            std::cout << "0 " << 1 + n << "\n0000000000 65535 f \n";
+            for (auto const& e: xref) {
+                std::cout << QUtil::int_to_string(e.getOffset(), 10)
+                          << " 00000 n \n";
+            }
+            state = st_before_trailer;
+        } else if (state == st_before_trailer) {
+            if (matches(re_trailer)) {
+                std::cout << line;
+                state = st_in_trailer;
+            }
+            // no output
+        } else if (state == st_in_trailer) {
+            if (matches(re_size_n)) {
+                std::cout << "  /Size " << 1 + xref.size() << "\n";
+            } else {
+                std::cout << line;
+            }
+            if (matches(re_dict_end)) {
+                std::cout << "startxref\n" << xref_offset << "\n%%EOF\n";
+                state = st_done;
+            }
+        } else if (state == st_done) {
+            // ignore
+        }
+    }
+}
+
+void
+QdfFixer::checkObjId(std::string const& cur_obj_str)
+{
+    int cur_obj = QUtil::string_to_int(cur_obj_str.c_str());
+    if (cur_obj != last_obj + 1) {
+        fatal(
+            filename + ":" + QUtil::uint_to_string(lineno) +
+            ": expected object " + QUtil::int_to_string(last_obj + 1));
+    }
+    last_obj = cur_obj;
+    xref.push_back(QPDFXRefEntry(1, QIntC::to_offset(last_offset), 0));
+}
+
+void
+QdfFixer::adjustOstreamXref()
+{
+    xref.pop_back();
+    xref.push_back(QPDFXRefEntry(2, ostream_id, QIntC::to_int(ostream_idx++)));
+}
+
+void
+QdfFixer::writeOstream()
+{
+    auto first = ostream_offsets.at(0);
+    auto onum = ostream_id;
+    std::string offsets;
+    auto n = ostream_offsets.size();
+    for (auto iter: ostream_offsets) {
+        iter -= QIntC::to_offset(first);
+        ++onum;
+        offsets += QUtil::int_to_string(onum) + " " +
+            QUtil::int_to_string(iter) + "\n";
+    }
+    auto offset_adjust = QIntC::to_offset(offsets.size());
+    first += offset_adjust;
+    stream_length += QIntC::to_size(offset_adjust);
+    std::string dict_data = "";
+    dict_data += "  /Length " + QUtil::uint_to_string(stream_length) + "\n";
+    dict_data += "  /N " + QUtil::uint_to_string(n) + "\n";
+    dict_data += "  /First " + QUtil::int_to_string(first) + "\n";
+    if (!ostream_extends.empty()) {
+        dict_data += "  /Extends " + ostream_extends + "\n";
+    }
+    dict_data += ">>\n";
+    offset_adjust += QIntC::to_offset(dict_data.length());
+    std::cout << dict_data << "stream\n" << offsets;
+    for (auto const& o: ostream) {
+        std::cout << o;
+    }
+
+    for (auto const& o: ostream_discarded) {
+        offset -= QIntC::to_offset(o.length());
+    }
+    offset += offset_adjust;
+
+    ostream_idx = 0;
+    ostream_id = 0;
+    ostream.clear();
+    ostream_offsets.clear();
+    ostream_discarded.clear();
+    ostream_extends.clear();
+}
+
+void
+QdfFixer::writeBinary(unsigned long long val, size_t bytes)
+{
+    if (bytes > sizeof(unsigned long long)) {
+        throw std::logic_error(
+            "fix-qdf::writeBinary called with too many bytes");
+    }
+    std::string data;
+    data.reserve(bytes);
+    for (size_t i = 0; i < bytes; ++i) {
+        data.append(1, '\0');
+    }
+    for (size_t i = 0; i < bytes; ++i) {
+        data.at(bytes - i - 1) = static_cast<char>(QIntC::to_uchar(val & 0xff));
+        val >>= 8;
+    }
+    std::cout << data;
+}
+
+static int
+realmain(int argc, char* argv)
+{
+    whoami = QUtil::getWhoami(argv0);
+    QUtil::setLineBuf(stdout);
+    char const* filename = 0;
+    if (argc > 2) {
+        usage();
+    } else if ((argc > 1) && (strcmp(argv1, "--version") == 0)) {
+        std::cout << whoami << " from qpdf version " << QPDF::QPDFVersion()
+                  << std::endl;
+        return 0;
+    } else if ((argc > 1) && (strcmp(argv1, "--help") == 0)) {
+        usage();
+    } else if (argc == 2) {
+        filename = argv1;
+    }
+    std::list<std::string> lines;
+    if (filename == 0) {
+        filename = "standard input";
+        QUtil::binary_stdin();
+        lines = QUtil::read_lines_from_file(stdin, true);
+    } else {
+        lines = QUtil::read_lines_from_file(filename, true);
+    }
+    QUtil::binary_stdout();
+    QdfFixer qf(filename);
+    qf.processLines(lines);
+    return 0;
+}
+
+#ifdef WINDOWS_WMAIN
+
+extern "C" int
+wmain(int argc, wchar_t* argv)
+{
+    return QUtil::call_main_from_wmain(argc, argv, realmain);
+}
+
+#else
+
+int
+main(int argc, char* argv)
+{
+    return realmain(argc, argv);
+}
+
+#endif

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/pdf_from_scratch.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/pdf_from_scratch.cc Changed

@@ -1,41 +1,43 @@
 #include <qpdf/QPDF.hh>
 
-#include <qpdf/QUtil.hh>
-#include <qpdf/QTC.hh>
-#include <qpdf/QPDFWriter.hh>
 #include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
 #include <iostream>
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
-#include <assert.h>
+#include <string.h>
 
 static char const* whoami = 0;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " n" << std::endl;
     exit(2);
 }
 
-static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
+static QPDFObjectHandle
+createPageContents(QPDF& pdf, std::string const& text)
 {
     std::string contents = "BT /F1 15 Tf 72 720 Td (" + text + ") Tj ET\n";
     return QPDFObjectHandle::newStream(&pdf, contents);
 }
 
-QPDFObjectHandle newName(std::string const& name)
+QPDFObjectHandle
+newName(std::string const& name)
 {
     return QPDFObjectHandle::newName(name);
 }
 
-void runtest(int n)
+void
+runtest(int n)
 {
     QPDF pdf;
     pdf.emptyPDF();
-    if (n == 0)
-    {
+    if (n == 0) {
         // Create a minimal PDF from scratch.
 
         QPDFObjectHandle font = pdf.makeIndirectObject(
@@ -47,8 +49,8 @@
                                     " /Encoding /WinAnsiEncoding"
                                     ">>"));
 
-        QPDFObjectHandle procset = pdf.makeIndirectObject(
-            QPDFObjectHandle::parse("/PDF /Text"));
+        QPDFObjectHandle procset =
+            pdf.makeIndirectObject(QPDFObjectHandle::parse("/PDF /Text"));
 
         QPDFObjectHandle contents = createPageContents(pdf, "First Page");
 
@@ -61,8 +63,8 @@
         resources.replaceKey("/ProcSet", procset);
         resources.replaceKey("/Font", rfont);
 
-        QPDFObjectHandle page = pdf.makeIndirectObject(
-            QPDFObjectHandle::newDictionary());
+        QPDFObjectHandle page =
+            pdf.makeIndirectObject(QPDFObjectHandle::newDictionary());
         page.replaceKey("/Type", newName("/Page"));
         page.replaceKey("/MediaBox", mediabox);
         page.replaceKey("/Contents", contents);
@@ -70,51 +72,38 @@
 
         QPDFPageDocumentHelper(pdf).addPage(page, true);
 
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else
-    {
-	throw std::runtime_error(std::string("invalid test ") +
-				 QUtil::int_to_string(n));
+        QPDFWriter w(pdf, "a.pdf");
+        w.setStaticID(true);
+        w.setStreamDataMode(qpdf_s_preserve);
+        w.write();
+    } else {
+        throw std::runtime_error(
+            std::string("invalid test ") + QUtil::int_to_string(n));
     }
 
     std::cout << "test " << n << " done" << std::endl;
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     QUtil::setLineBuf(stdout);
-    if ((whoami = strrchr(argv0, '/')) == NULL)
-    {
-	whoami = argv0;
-    }
-    else
-    {
-	++whoami;
-    }
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((whoami = strrchr(argv0, '/')) == NULL) {
+        whoami = argv0;
+    } else {
+        ++whoami;
     }
 
-    if (argc != 2)
-    {
-	usage();
+    if (argc != 2) {
+        usage();
     }
 
-    try
-    {
-	int n = QUtil::string_to_int(argv1);
-	runtest(n);
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    try {
+        int n = QUtil::string_to_int(argv1);
+        runtest(n);
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qpdf-ctest.c -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qpdf-ctest.c Changed

@@ -1,84 +1,87 @@
+#include <qpdf/assert_test.h>
+
 #include <qpdf/qpdf-c.h>
+#include <errno.h>
 #include <stdio.h>
-#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
-#include <errno.h>
 
 static char* whoami = 0;
 static qpdf_data qpdf = 0;
 
-static FILE* safe_fopen(char const* filename, char const* mode)
+static FILE*
+safe_fopen(char const* filename, char const* mode)
 {
     // This function is basically a "C" port of QUtil::safe_fopen.
     FILE* f = 0;
 #ifdef _MSC_VER
     errno_t err = fopen_s(&f, filename, mode);
-    if (err != 0)
-    {
+    if (err != 0) {
         char buf94;
         strerror_s(buf, sizeof(buf), errno);
-	fprintf(stderr, "%s: unable to open %s: %s\n",
-		whoami, filename, buf);
-	exit(2);
+        fprintf(stderr, "%s: unable to open %s: %s\n", whoami, filename, buf);
+        exit(2);
     }
 #else
     f = fopen(filename, mode);
-    if (f == NULL)
-    {
-	fprintf(stderr, "%s: unable to open %s: %s\n",
-		whoami, filename, strerror(errno));
-	exit(2);
+    if (f == NULL) {
+        fprintf(
+            stderr,
+            "%s: unable to open %s: %s\n",
+            whoami,
+            filename,
+            strerror(errno));
+        exit(2);
     }
 #endif
     return f;
 }
 
-static void report_errors()
+static void
+print_error(char const* label, qpdf_data q, qpdf_error e)
+{
+    printf("%s: %s\n", label, qpdf_get_error_full_text(q, e));
+    printf("  code: %d\n", qpdf_get_error_code(q, e));
+    printf("  file: %s\n", qpdf_get_error_filename(q, e));
+    printf("  pos: %lld\n", qpdf_get_error_file_position(q, e));
+    printf("  text: %s\n", qpdf_get_error_message_detail(q, e));
+}
+
+static void
+report_errors()
 {
-#ifdef _WIN32
-# define POS_FMT "  pos : %I64d\n"
-#else
-/* If your compiler doesn't support lld, change to ld and lose
-   precision on offsets in error messages. */
-# define POS_FMT "  pos : %lld\n"
-#endif
     qpdf_error e = 0;
-    while (qpdf_more_warnings(qpdf))
-    {
-	e = qpdf_next_warning(qpdf);
-	printf("warning: %s\n", qpdf_get_error_full_text(qpdf, e));
-	printf("  code: %d\n", qpdf_get_error_code(qpdf, e));
-	printf("  file: %s\n", qpdf_get_error_filename(qpdf, e));
-	printf(POS_FMT, qpdf_get_error_file_position(qpdf, e));
-	printf("  text: %s\n", qpdf_get_error_message_detail(qpdf, e));
+    while (qpdf_more_warnings(qpdf)) {
+        e = qpdf_next_warning(qpdf);
+        print_error("warning", qpdf, e);
     }
-    if (qpdf_has_error(qpdf))
-    {
-	e = qpdf_get_error(qpdf);
-	assert(qpdf_has_error(qpdf) == QPDF_FALSE);
-	printf("error: %s\n", qpdf_get_error_full_text(qpdf, e));
-	printf("  code: %d\n", qpdf_get_error_code(qpdf, e));
-	printf("  file: %s\n", qpdf_get_error_filename(qpdf, e));
-	printf(POS_FMT, qpdf_get_error_file_position(qpdf, e));
-	printf("  text: %s\n", qpdf_get_error_message_detail(qpdf, e));
+    if (qpdf_has_error(qpdf)) {
+        e = qpdf_get_error(qpdf);
+        assert(qpdf_has_error(qpdf) == QPDF_FALSE);
+        print_error("error", qpdf, e);
+    } else {
+        e = qpdf_get_error(qpdf);
+        assert(e == 0);
+        assert(qpdf_get_error_code(qpdf, e) == qpdf_e_success);
+        // Call these to ensure that they can be called on a null
+        // error pointer.
+        (void)qpdf_get_error_full_text(qpdf, e);
+        (void)qpdf_get_error_filename(qpdf, e);
+        (void)qpdf_get_error_file_position(qpdf, e);
+        (void)qpdf_get_error_message_detail(qpdf, e);
     }
-    else
-    {
-	e = qpdf_get_error(qpdf);
-	assert(e == 0);
-	assert(qpdf_get_error_code(qpdf, e) == qpdf_e_success);
-	// Call these to ensure that they can be called on a null
-	// error pointer.
-	(void)qpdf_get_error_full_text(qpdf, e);
-	(void)qpdf_get_error_filename(qpdf, e);
-	(void)qpdf_get_error_file_position(qpdf, e);
-	(void)qpdf_get_error_message_detail(qpdf, e);
+}
+
+static void
+handle_oh_error(qpdf_data q, char const* label)
+{
+    if (qpdf_has_error(q)) {
+        print_error(label, q, qpdf_get_error(q));
     }
 }
 
-static void read_file_into_memory(char const* filename,
-				  char** buf, unsigned long* size)
+static void
+read_file_into_memory(char const* filename, char** buf, unsigned long* size)
 {
     char* buf_p = 0;
     FILE* f = NULL;
@@ -87,98 +90,115 @@
 
     f = safe_fopen(filename, "rb");
     fseek(f, 0, SEEK_END);
-    *size = (unsigned long) ftell(f);
+    *size = (unsigned long)ftell(f);
     fseek(f, 0, SEEK_SET);
     *buf = malloc(*size);
-    if (*buf == NULL)
-    {
-	fprintf(stderr, "%s: unable to allocate %lu bytes\n",
-		whoami, *size);
-	exit(2);
+    if (*buf == NULL) {
+        fprintf(stderr, "%s: unable to allocate %lu bytes\n", whoami, *size);
+        exit(2);
     }
     buf_p = *buf;
     bytes_read = 0;
     len = 0;
-    while ((len = fread(buf_p + bytes_read, 1, *size - bytes_read, f)) > 0)
-    {
-	bytes_read += len;
+    while ((len = fread(buf_p + bytes_read, 1, *size - bytes_read, f)) > 0) {
+        bytes_read += len;
     }
-    if (bytes_read != *size)
-    {
-	if (ferror(f))
-	{
-	    fprintf(stderr, "%s: failure reading file %s into memory:",
-		    whoami, filename);
-	}
-	else
-	{
-	    fprintf(stderr, "%s: premature EOF reading file %s:",
-		    whoami, filename);
-	}
-	fprintf(stderr, " read %lu, wanted %lu\n",
-		(unsigned long) bytes_read, (unsigned long) *size);
-	exit(2);
+    if (bytes_read != *size) {
+        if (ferror(f)) {
+            fprintf(
+                stderr,
+                "%s: failure reading file %s into memory:",
+                whoami,
+                filename);
+        } else {
+            fprintf(
+                stderr, "%s: premature EOF reading file %s:", whoami, filename);
+        }
+        fprintf(
+            stderr,
+            " read %lu, wanted %lu\n",
+            (unsigned long)bytes_read,
+            (unsigned long)*size);
+        exit(2);
     }
     fclose(f);
 }
 
-static void test01(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+count_progress(int percent, void* data)
+{
+    ++(*(int*)data);
+}
+
+static int
+write_to_file(char const* data, size_t size, void* udata)
+{
+    FILE* f = (FILE*)udata;
+    return fwrite(data, 1, size, f) != size;
+}
+
+static int
+custom_log(char const* data, size_t size, void* udata)
+{
+    fprintf(stderr, "|custom|");
+    fwrite(data, 1, size, stderr);
+    fflush(stderr);
+    return 0;
+}
+
+static void
+test01(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     printf("version: %s\n", qpdf_get_pdf_version(qpdf));
-    if (qpdf_get_pdf_extension_level(qpdf) > 0)
-    {
+    if (qpdf_get_pdf_extension_level(qpdf) > 0) {
         printf("extension level: %d\n", qpdf_get_pdf_extension_level(qpdf));
     }
     printf("linearized: %d\n", qpdf_is_linearized(qpdf));
     printf("encrypted: %d\n", qpdf_is_encrypted(qpdf));
-    if (qpdf_is_encrypted(qpdf))
-    {
-	printf("user password: %s\n", qpdf_get_user_password(qpdf));
-	printf("extract for accessibility: %d\n",
-	       qpdf_allow_accessibility(qpdf));
-	printf("extract for any purpose: %d\n",
-	       qpdf_allow_extract_all(qpdf));
-	printf("print low resolution: %d\n",
-	       qpdf_allow_print_low_res(qpdf));
-	printf("print high resolution: %d\n",
-	       qpdf_allow_print_high_res(qpdf));
-	printf("modify document assembly: %d\n",
-	       qpdf_allow_modify_assembly(qpdf));
-	printf("modify forms: %d\n",
-	       qpdf_allow_modify_form(qpdf));
-	printf("modify annotations: %d\n",
-	       qpdf_allow_modify_annotation(qpdf));
-	printf("modify other: %d\n",
-	       qpdf_allow_modify_other(qpdf));
-	printf("modify anything: %d\n",
-	       qpdf_allow_modify_all(qpdf));
+    if (qpdf_is_encrypted(qpdf)) {
+        printf("user password: %s\n", qpdf_get_user_password(qpdf));
+        printf(
+            "extract for accessibility: %d\n", qpdf_allow_accessibility(qpdf));
+        printf("extract for any purpose: %d\n", qpdf_allow_extract_all(qpdf));
+        printf("print low resolution: %d\n", qpdf_allow_print_low_res(qpdf));
+        printf("print high resolution: %d\n", qpdf_allow_print_high_res(qpdf));
+        printf(
+            "modify document assembly: %d\n", qpdf_allow_modify_assembly(qpdf));
+        printf("modify forms: %d\n", qpdf_allow_modify_form(qpdf));
+        printf("modify annotations: %d\n", qpdf_allow_modify_annotation(qpdf));
+        printf("modify other: %d\n", qpdf_allow_modify_other(qpdf));
+        printf("modify anything: %d\n", qpdf_allow_modify_all(qpdf));
     }
     report_errors();
 }
 
-static void test02(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test02(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_set_suppress_warnings(qpdf, QPDF_TRUE);
     if (((qpdf_read(qpdf, infile, password) & QPDF_ERRORS) == 0) &&
-	((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0))
-    {
-	qpdf_set_static_ID(qpdf, QPDF_TRUE);
-	qpdf_write(qpdf);
+        ((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0)) {
+        qpdf_set_static_ID(qpdf, QPDF_TRUE);
+        qpdf_write(qpdf);
     }
     report_errors();
 }
 
-static void test03(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test03(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -188,10 +208,12 @@
     report_errors();
 }
 
-static void test04(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test04(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_set_ignore_xref_streams(qpdf, QPDF_TRUE);
     qpdf_read(qpdf, infile, password);
@@ -201,23 +223,31 @@
     report_errors();
 }
 
-static void test05(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test05(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
+    int count = 0;
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
+    qpdf_register_progress_reporter(qpdf, count_progress, (void*)&count);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
     qpdf_set_linearization(qpdf, QPDF_TRUE);
     qpdf_write(qpdf);
+    /* make sure progress reporter was called */
+    assert(count > 0);
     report_errors();
 }
 
-static void test06(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test06(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     char* buf = NULL;
     unsigned long size = 0;
@@ -231,10 +261,12 @@
     free(buf);
 }
 
-static void test07(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test07(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -244,10 +276,12 @@
     report_errors();
 }
 
-static void test08(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test08(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -258,10 +292,12 @@
     report_errors();
 }
 
-static void test09(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test09(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -271,50 +307,65 @@
     report_errors();
 }
 
-static void test10(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test10(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_set_attempt_recovery(qpdf, QPDF_FALSE);
     qpdf_read(qpdf, infile, password);
     report_errors();
 }
 
-static void test11(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test11(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
-    qpdf_set_r2_encryption_parameters(
-	qpdf, "user1", "owner1", QPDF_FALSE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE);
+    qpdf_set_r2_encryption_parameters_insecure(
+        qpdf, "user1", "owner1", QPDF_FALSE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE);
     qpdf_write(qpdf);
     report_errors();
 }
 
-static void test12(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test12(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
-    qpdf_set_r3_encryption_parameters2(
-	qpdf, "user2", "owner2", QPDF_TRUE, QPDF_TRUE,
-        QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
-	qpdf_r3p_low);
+    qpdf_set_r3_encryption_parameters_insecure(
+        qpdf,
+        "user2",
+        "owner2",
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        qpdf_r3p_low);
     qpdf_write(qpdf);
     report_errors();
 }
 
-static void test13(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test13(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     printf("user password: %s\n", qpdf_get_user_password(qpdf));
@@ -325,51 +376,66 @@
     report_errors();
 }
 
-static void test14(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test14(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
     qpdf_set_minimum_pdf_version_and_extension(qpdf, "1.7", 8);
     qpdf_write(qpdf);
-    qpdf_init_write(qpdf, outfile2);
+    qpdf_init_write(qpdf, xarg);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
     qpdf_force_pdf_version(qpdf, "1.4");
     qpdf_write(qpdf);
     report_errors();
 }
 
-static void test15(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test15(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
     qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
-    qpdf_set_r4_encryption_parameters2(
-	qpdf, "user2", "owner2", QPDF_TRUE, QPDF_TRUE,
-        QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
-	qpdf_r3p_low, QPDF_TRUE, QPDF_TRUE);
+    qpdf_set_r4_encryption_parameters_insecure(
+        qpdf,
+        "user2",
+        "owner2",
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        qpdf_r3p_low,
+        QPDF_TRUE,
+        QPDF_TRUE);
     qpdf_write(qpdf);
     report_errors();
 }
 
-static void print_info(char const* key)
+static void
+print_info(char const* key)
 {
     char const* value = qpdf_get_info_key(qpdf, key);
-    printf("Info key %s: %s\n",
-	   key, (value ? value : "(null)"));
+    printf("Info key %s: %s\n", key, (value ? value : "(null)"));
 }
 
-static void test16(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test16(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     unsigned long buflen = 0L;
     unsigned char const* buf = 0;
@@ -391,51 +457,73 @@
     qpdf_set_stream_data_mode(qpdf, qpdf_s_uncompress);
     qpdf_write(qpdf);
     f = safe_fopen(outfile, "wb");
-    buflen = qpdf_get_buffer_length(qpdf);
+    buflen = (unsigned long)(qpdf_get_buffer_length(qpdf));
     buf = qpdf_get_buffer(qpdf);
     fwrite(buf, 1, buflen, f);
     fclose(f);
     report_errors();
 }
 
-static void test17(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test17(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
     qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
     qpdf_set_r5_encryption_parameters2(
-	qpdf, "user3", "owner3", QPDF_TRUE, QPDF_TRUE,
-        QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
-	qpdf_r3p_low, QPDF_TRUE);
+        qpdf,
+        "user3",
+        "owner3",
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        qpdf_r3p_low,
+        QPDF_TRUE);
     qpdf_write(qpdf);
     report_errors();
 }
 
-static void test18(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test18(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
     qpdf_set_static_ID(qpdf, QPDF_TRUE);
     qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
     qpdf_set_r6_encryption_parameters2(
-	qpdf, "user4", "owner4", QPDF_TRUE, QPDF_TRUE,
-        QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
-	qpdf_r3p_low, QPDF_TRUE);
+        qpdf,
+        "user4",
+        "owner4",
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        QPDF_TRUE,
+        qpdf_r3p_low,
+        QPDF_TRUE);
     qpdf_write(qpdf);
     report_errors();
 }
 
-static void test19(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test19(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -444,10 +532,12 @@
     report_errors();
 }
 
-static void test20(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test20(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -459,10 +549,12 @@
     report_errors();
 }
 
-static void test21(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test21(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -473,10 +565,12 @@
     report_errors();
 }
 
-static void test22(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test22(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
     qpdf_read(qpdf, infile, password);
     qpdf_init_write(qpdf, outfile);
@@ -488,11 +582,27 @@
     report_errors();
 }
 
-static void test23(char const* infile,
-		   char const* password,
-		   char const* outfile,
-		   char const* outfile2)
+static void
+test23(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
 {
+    /* Test check and also exercise custom logger */
+    qpdflogger_handle l1 = qpdf_get_logger(qpdf);
+    qpdflogger_handle l2 = qpdflogger_default_logger();
+    assert(qpdflogger_equal(l1, l2));
+    qpdflogger_cleanup(&l1);
+    qpdflogger_cleanup(&l2);
+    qpdflogger_handle l = qpdflogger_create();
+    qpdflogger_set_warn(l, qpdf_log_dest_custom, custom_log, NULL);
+    qpdf_set_logger(qpdf, l);
+    qpdflogger_handle l3 = qpdf_get_logger(qpdf);
+    assert(qpdflogger_equal(l, l3));
+    qpdflogger_cleanup(&l);
+    qpdflogger_cleanup(&l3);
+
     QPDF_ERROR_CODE status = 0;
     qpdf_read(qpdf, infile, password);
     status = qpdf_check_pdf(qpdf);
@@ -500,81 +610,1087 @@
     report_errors();
 }
 
-int main(int argc, char* argv)
+static void
+test24(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test case is designed for minimal.pdf. Pull objects out of
+     * minimal.pdf to make sure all our accessors work as expected.
+     */
+
+    qpdf_read(qpdf, infile, password);
+    qpdf_oh trailer = qpdf_get_trailer(qpdf);
+    /* The library never returns 0 */
+    assert(trailer == 1);
+
+    /* Get root two different ways */
+    qpdf_oh root = qpdf_get_root(qpdf);
+    assert(qpdf_oh_get_generation(qpdf, root) == 0);
+    qpdf_oh root_from_trailer = qpdf_oh_get_key(qpdf, trailer, "/Root");
+    assert(
+        qpdf_oh_get_object_id(qpdf, root) ==
+        qpdf_oh_get_object_id(qpdf, root_from_trailer));
+
+    /* Go to the first page and look at all the keys */
+    qpdf_oh pages = qpdf_oh_get_key(qpdf, root, "/Pages");
+    assert(qpdf_oh_is_dictionary(qpdf, pages));
+    assert(qpdf_oh_get_type_code(qpdf, pages) == ot_dictionary);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, pages), "dictionary") == 0);
+    assert(qpdf_oh_is_initialized(qpdf, pages));
+    qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids");
+    assert(qpdf_oh_is_array(qpdf, kids));
+    assert(qpdf_oh_get_type_code(qpdf, kids) == ot_array);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, kids), "array") == 0);
+    assert(qpdf_oh_get_array_n_items(qpdf, kids) == 1);
+    qpdf_oh page1 = qpdf_oh_get_array_item(qpdf, kids, 0);
+    qpdf_oh_begin_dict_key_iter(qpdf, page1);
+    while (qpdf_oh_dict_more_keys(qpdf)) {
+        printf("page dictionary key: %s\n", qpdf_oh_dict_next_key(qpdf));
+    }
+
+    /* Inspect the first page */
+    qpdf_oh type = qpdf_oh_get_key(qpdf, page1, "/Type");
+    assert(qpdf_oh_is_name(qpdf, type));
+    assert(qpdf_oh_get_type_code(qpdf, type) == ot_name);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, type), "name") == 0);
+    assert(strcmp(qpdf_oh_get_name(qpdf, type), "/Page") == 0);
+    qpdf_oh parent = qpdf_oh_get_key(qpdf, page1, "/Parent");
+    assert(qpdf_oh_is_indirect(qpdf, parent));
+    qpdf_oh mediabox = qpdf_oh_get_key(qpdf, page1, "/MediaBox");
+    assert(!qpdf_oh_is_scalar(qpdf, mediabox));
+    assert(qpdf_oh_is_array(qpdf, mediabox));
+    assert(qpdf_oh_get_array_n_items(qpdf, mediabox) == 4);
+    for (int i = 0; i < 4; ++i) {
+        qpdf_oh item = qpdf_oh_get_array_item(qpdf, mediabox, i);
+        printf(
+            "item %d: %d %.2f\n",
+            i,
+            qpdf_oh_get_int_value_as_int(qpdf, item),
+            qpdf_oh_get_numeric_value(qpdf, item));
+    }
+
+    /* Exercise different ways of looking at integers */
+    qpdf_oh i2 = qpdf_oh_get_array_item(qpdf, mediabox, 2);
+    assert(qpdf_oh_get_int_value_as_int(qpdf, i2) == 612);
+    assert(qpdf_oh_get_int_value(qpdf, i2) == 612ll);
+    assert(qpdf_oh_get_uint_value_as_uint(qpdf, i2) == 612u);
+    assert(qpdf_oh_get_uint_value(qpdf, i2) == 612ull);
+    /* Exercise accessors of other object types */
+    assert(!qpdf_oh_is_operator(qpdf, i2));
+    assert(!qpdf_oh_is_inline_image(qpdf, i2));
+    /* Chain calls. */
+    qpdf_oh encoding = qpdf_oh_get_key(
+        qpdf,
+        qpdf_oh_get_key(
+            qpdf,
+            qpdf_oh_get_key(
+                qpdf, qpdf_oh_get_key(qpdf, page1, "/Resources"), "/Font"),
+            "/F1"),
+        "/Encoding");
+    assert(strcmp(qpdf_oh_get_name(qpdf, encoding), "/WinAnsiEncoding") == 0);
+
+    qpdf_oh res = qpdf_oh_get_key_if_dict(qpdf, page1, "/Resources");
+    assert(qpdf_oh_has_key(qpdf, res, "/Font"));
+    /* check no warning when called with null */
+    while (qpdf_more_warnings(qpdf)) {
+        qpdf_next_warning(qpdf);
+    }
+    res = qpdf_oh_get_key_if_dict(
+        qpdf, qpdf_oh_get_key_if_dict(qpdf, page1, "/Missing"), "/Font");
+    assert(!qpdf_more_warnings(qpdf));
+
+    /* Look at page contents to exercise stream functions */
+    qpdf_oh contents = qpdf_oh_get_key(qpdf, page1, "/Contents");
+    assert(qpdf_oh_is_stream(qpdf, contents));
+    assert(qpdf_oh_get_type_code(qpdf, contents) == ot_stream);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, contents), "stream") == 0);
+    qpdf_oh contents_dict = qpdf_oh_get_dict(qpdf, contents);
+    assert(!qpdf_oh_is_scalar(qpdf, contents));
+    assert(!qpdf_oh_is_scalar(qpdf, contents_dict));
+    qpdf_oh contents_length = qpdf_oh_get_key(qpdf, contents_dict, "/Length");
+    assert(qpdf_oh_is_integer(qpdf, contents_length));
+    assert(qpdf_oh_get_type_code(qpdf, contents_length) == ot_integer);
+    assert(
+        strcmp(qpdf_oh_get_type_name(qpdf, contents_length), "integer") == 0);
+    assert(qpdf_oh_is_scalar(qpdf, contents_length));
+    assert(qpdf_oh_is_number(qpdf, contents_length));
+    qpdf_oh contents_array = qpdf_oh_wrap_in_array(qpdf, contents);
+    assert(qpdf_oh_get_array_n_items(qpdf, contents_array) == 1);
+    assert(
+        qpdf_oh_get_object_id(
+            qpdf, qpdf_oh_get_array_item(qpdf, contents_array, 0)) ==
+        qpdf_oh_get_object_id(qpdf, contents));
+    /* Wrap in array for a non-trivial case */
+    qpdf_oh wrapped_contents_array =
+        qpdf_oh_wrap_in_array(qpdf, contents_array);
+    assert(qpdf_oh_get_array_n_items(qpdf, wrapped_contents_array) == 1);
+    assert(
+        qpdf_oh_get_object_id(
+            qpdf, qpdf_oh_get_array_item(qpdf, wrapped_contents_array, 0)) ==
+        qpdf_oh_get_object_id(qpdf, contents));
+
+    /* Exercise functions that work with indirect objects */
+    qpdf_oh resources = qpdf_oh_get_key(qpdf, page1, "/Resources");
+    qpdf_oh procset = qpdf_oh_get_key(qpdf, resources, "/ProcSet");
+    assert(strcmp(qpdf_oh_unparse(qpdf, procset), "5 0 R") == 0);
+    assert(
+        strcmp(qpdf_oh_unparse_resolved(qpdf, procset), " /PDF /Text ") == 0);
+    qpdf_oh_make_direct(qpdf, procset);
+    assert(strcmp(qpdf_oh_unparse(qpdf, procset), " /PDF /Text ") == 0);
+    /* The replaced /ProcSet can be seen to be a direct object in the
+     * expected output PDF.
+     */
+    qpdf_oh_replace_key(qpdf, resources, "/ProcSet", procset);
+
+    /* Release and access to exercise handling of object handle errors
+     * and to show that write still works after releasing. This test
+     * uses the default oh error handler, so messages get written to
+     * stderr. The warning about using the default error handler only
+     * appears once.
+     */
+    qpdf_oh_release(qpdf, page1);
+    contents = qpdf_oh_get_key(qpdf, page1, "/Contents");
+    assert(qpdf_oh_is_null(qpdf, contents));
+    assert(qpdf_oh_get_type_code(qpdf, contents) == ot_null);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, contents), "null") == 0);
+    assert(qpdf_oh_is_array(qpdf, mediabox));
+    qpdf_oh_release_all(qpdf);
+    assert(!qpdf_oh_is_null(qpdf, mediabox));
+    assert(!qpdf_oh_is_array(qpdf, mediabox));
+    /* Make sure something is assigned when we exit so we check that
+     * it gets properly freed.
+     */
+    qpdf_get_root(qpdf);
+
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
+    qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+}
+
+static void
+test25(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test case is designed for minimal.pdf. */
+    qpdf_read(qpdf, infile, password);
+    qpdf_oh root = qpdf_get_root(qpdf);
+
+    /* Parse objects from a string */
+    qpdf_oh parsed = qpdf_oh_parse(
+        qpdf, " 1 2.0 (3\xf7) << /Four /Five >> null true false /Six");
+    qpdf_oh p_int = qpdf_oh_get_array_item(qpdf, parsed, 0);
+    qpdf_oh p_real = qpdf_oh_get_array_item(qpdf, parsed, 1);
+    qpdf_oh p_string = qpdf_oh_get_array_item(qpdf, parsed, 2);
+    qpdf_oh p_dict = qpdf_oh_get_array_item(qpdf, parsed, 3);
+    qpdf_oh p_null = qpdf_oh_get_array_item(qpdf, parsed, 4);
+    qpdf_oh p_bool = qpdf_oh_get_array_item(qpdf, parsed, 5);
+    qpdf_oh p_bool_f = qpdf_oh_get_array_item(qpdf, parsed, 6);
+    qpdf_oh p_name = qpdf_oh_get_array_item(qpdf, parsed, 7);
+    assert(
+        qpdf_oh_is_integer(qpdf, p_int) &&
+        qpdf_oh_get_int_value_as_int(qpdf, p_int) == 1);
+    long long l = 0;
+    assert(qpdf_oh_get_value_as_longlong(qpdf, p_bool, &l) == QPDF_FALSE);
+    assert(
+        (qpdf_oh_get_value_as_longlong(qpdf, p_int, &l) == QPDF_TRUE) &&
+        (l == 1));
+    int i = 0;
+    assert(qpdf_oh_get_value_as_int(qpdf, p_bool, &i) == QPDF_FALSE);
+    assert(
+        (qpdf_oh_get_value_as_int(qpdf, p_int, &i) == QPDF_TRUE) && (i == 1));
+    unsigned long long ul = 0u;
+    assert(qpdf_oh_get_value_as_ulonglong(qpdf, p_bool, &ul) == QPDF_FALSE);
+    assert(
+        (qpdf_oh_get_value_as_ulonglong(qpdf, p_int, &ul) == QPDF_TRUE) &&
+        (ul == 1u));
+    unsigned int u = 0u;
+    assert(qpdf_oh_get_value_as_uint(qpdf, p_bool, &u) == QPDF_FALSE);
+    assert(
+        (qpdf_oh_get_value_as_uint(qpdf, p_int, &u) == QPDF_TRUE) && (u == 1u));
+    double d = 0.0;
+    assert(qpdf_oh_get_value_as_number(qpdf, p_bool, &d) == QPDF_FALSE);
+    assert(
+        (qpdf_oh_get_value_as_number(qpdf, p_int, &d) == QPDF_TRUE) &&
+        ((d - 1.0) < 1e-6) && ((d - 1.0) > -1e-6));
+    assert(qpdf_oh_get_type_code(qpdf, p_int) == ot_integer);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, p_int), "integer") == 0);
+    assert(
+        qpdf_oh_is_real(qpdf, p_real) &&
+        (strcmp(qpdf_oh_get_real_value(qpdf, p_real), "2.0") == 0) &&
+        qpdf_oh_get_numeric_value(qpdf, p_real) == 2.0);
+    const char* r = "";
+    size_t length = 0;
+    assert(
+        (qpdf_oh_get_value_as_real(qpdf, p_name, &r, &length) == QPDF_FALSE) &&
+        (strcmp(r, "") == 0) && (length == 0));
+    assert(
+        (qpdf_oh_get_value_as_real(qpdf, p_real, &r, &length) == QPDF_TRUE) &&
+        (strcmp(r, "2.0") == 0) && (length == 3));
+    assert(qpdf_oh_get_type_code(qpdf, p_real) == ot_real);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, p_real), "real") == 0);
+    assert(
+        qpdf_oh_is_string(qpdf, p_string) &&
+        (strcmp(qpdf_oh_get_string_value(qpdf, p_string), "3\xf7") == 0) &&
+        (strcmp(qpdf_oh_get_utf8_value(qpdf, p_string), "3\xc3\xb7") == 0) &&
+        (strcmp(qpdf_oh_unparse_binary(qpdf, p_string), "<33f7>") == 0));
+    const char* str = "";
+    length = 0;
+    assert(
+        (qpdf_oh_get_value_as_string(qpdf, p_name, &str, &length) ==
+         QPDF_FALSE) &&
+        (strcmp(str, "") == 0) && (length == 0));
+    assert(
+        (qpdf_oh_get_value_as_string(qpdf, p_string, &str, &length) ==
+         QPDF_TRUE) &&
+        (strcmp(str, "3\xf7") == 0) && (length == 2));
+    const char* utf8 = "";
+    length = 0;
+    assert(
+        (qpdf_oh_get_value_as_utf8(qpdf, p_name, &utf8, &length) ==
+         QPDF_FALSE) &&
+        (strcmp(utf8, "") == 0) && (length == 0));
+    assert(
+        (qpdf_oh_get_value_as_utf8(qpdf, p_string, &utf8, &length) ==
+         QPDF_TRUE) &&
+        (strcmp(utf8, "3\xc3\xb7") == 0) && (length == 3));
+    assert(qpdf_oh_get_type_code(qpdf, p_string) == ot_string);
+    assert(!qpdf_oh_is_name_and_equals(qpdf, p_string, "3\xf7"));
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, p_string), "string") == 0);
+    assert(qpdf_oh_is_dictionary(qpdf, p_dict));
+    qpdf_oh p_five = qpdf_oh_get_key(qpdf, p_dict, "/Four");
+    assert(qpdf_oh_is_or_has_name(qpdf, p_five, "/Five"));
+    assert(!qpdf_oh_is_name_and_equals(qpdf, p_five, "/Five"));
+    assert(qpdf_oh_is_or_has_name(
+        qpdf, qpdf_oh_get_array_item(qpdf, p_five, 0), "/Five"));
+    assert(qpdf_oh_is_name_and_equals(
+        qpdf, qpdf_oh_get_array_item(qpdf, p_five, 0), "/Five"));
+    assert(qpdf_oh_is_null(qpdf, p_null));
+    assert(qpdf_oh_get_type_code(qpdf, p_null) == ot_null);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, p_null), "null") == 0);
+    assert(
+        qpdf_oh_is_bool(qpdf, p_bool) &&
+        (qpdf_oh_get_bool_value(qpdf, p_bool) == QPDF_TRUE));
+    QPDF_BOOL b = QPDF_FALSE;
+    assert(
+        (qpdf_oh_get_value_as_bool(qpdf, p_int, &b) == QPDF_FALSE) &&
+        b == QPDF_FALSE);
+    assert(
+        (qpdf_oh_get_value_as_bool(qpdf, p_bool, &b) == QPDF_TRUE) &&
+        b == QPDF_TRUE);
+    assert(
+        (qpdf_oh_get_value_as_bool(qpdf, p_bool_f, &b) == QPDF_TRUE) &&
+        b == QPDF_FALSE);
+    assert(qpdf_oh_get_type_code(qpdf, p_bool) == ot_boolean);
+    assert(strcmp(qpdf_oh_get_type_name(qpdf, p_bool), "boolean") == 0);
+    const char* n = "";
+    length = 0;
+    assert(
+        (qpdf_oh_get_value_as_name(qpdf, p_string, &n, &length) ==
+         QPDF_FALSE) &&
+        (strcmp(n, "") == 0) && (length == 0));
+    assert(
+        (qpdf_oh_get_value_as_name(qpdf, p_name, &n, &length) == QPDF_TRUE) &&
+        (strcmp(n, "/Six") == 0) && (length == 4));
+    qpdf_oh_erase_item(qpdf, parsed, 4);
+    qpdf_oh_insert_item(
+        qpdf,
+        parsed,
+        2,
+        qpdf_oh_parse(
+            qpdf, "<</A 1 /B 2 /C 3 /D 4 /Type /Test /Subtype /Marvin>>"));
+    qpdf_oh new_dict = qpdf_oh_get_array_item(qpdf, parsed, 2);
+    assert(qpdf_oh_has_key(qpdf, new_dict, "/A"));
+    assert(qpdf_oh_has_key(qpdf, new_dict, "/D"));
+    assert(qpdf_oh_is_dictionary_of_type(qpdf, new_dict, "/Test", ""));
+    assert(qpdf_oh_is_dictionary_of_type(qpdf, new_dict, "/Test", 0));
+    assert(qpdf_oh_is_dictionary_of_type(qpdf, new_dict, "/Test", "/Marvin"));
+    assert(!qpdf_oh_is_dictionary_of_type(qpdf, new_dict, "/Test2", ""));
+    assert(!qpdf_oh_is_dictionary_of_type(qpdf, new_dict, "/Test", "/M"));
+    assert(qpdf_oh_is_dictionary_of_type(qpdf, new_dict, "", ""));
+    qpdf_oh new_array = qpdf_oh_new_array(qpdf);
+    qpdf_oh_replace_or_remove_key(qpdf, new_dict, "/A", qpdf_oh_new_null(qpdf));
+    qpdf_oh_replace_or_remove_key(qpdf, new_dict, "/B", new_array);
+    qpdf_oh_replace_key(qpdf, new_dict, "/C", qpdf_oh_new_dictionary(qpdf));
+    qpdf_oh_remove_key(qpdf, new_dict, "/D");
+    assert(!qpdf_oh_has_key(qpdf, new_dict, "/A"));
+    assert(!qpdf_oh_has_key(qpdf, new_dict, "/D"));
+    qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_string(qpdf, "potato"));
+    qpdf_oh_append_item(
+        qpdf,
+        new_array,
+        qpdf_oh_new_unicode_string(qpdf, "qww\xc3\xb7\xcf\x80"));
+    qpdf_oh_append_item(
+        qpdf,
+        new_array,
+        qpdf_oh_new_binary_unicode_string(qpdf, "qw\x00w\xc3\xb7\xcf\x80", 8));
+    qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_null(qpdf)); /* 2 */
+    qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_null(qpdf)); /* 3 */
+    qpdf_oh_set_array_item(
+        qpdf, new_array, 3, qpdf_oh_new_name(qpdf, "/Quack"));
+    qpdf_oh_append_item(
+        qpdf, new_array, qpdf_oh_new_real_from_double(qpdf, 4.123, 2));
+    qpdf_oh_append_item(
+        qpdf, new_array, qpdf_oh_new_real_from_string(qpdf, "5.0"));
+    qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_integer(qpdf, 6));
+    qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_bool(qpdf, QPDF_TRUE));
+    qpdf_oh_replace_key(qpdf, root, "/QTest", new_dict);
+
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
+    qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+}
+static void
+test26(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* Make sure we detect uninitialized objects */
+    qpdf_data qpdf2 = qpdf_init();
+    qpdf_oh trailer = qpdf_get_trailer(qpdf2);
+    assert(!qpdf_oh_is_initialized(qpdf2, trailer));
+    assert(qpdf_oh_get_type_code(qpdf, trailer) == ot_uninitialized);
+    qpdf_cleanup(&qpdf2);
+}
+
+static void
+test27(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* Exercise a string with a null. Since the regular methods return
+     * char*, we can't see past the null character without looking
+     * explicitly at the length.
+     */
+    qpdf_oh p_string_with_null = qpdf_oh_parse(qpdf, "<6f6e650074776f>");
+    assert(qpdf_oh_is_string(qpdf, p_string_with_null));
+    assert(
+        strcmp(qpdf_oh_get_string_value(qpdf, p_string_with_null), "one") == 0);
+    assert(qpdf_get_last_string_length(qpdf) == 7);
+    /* memcmp adds a character to verify the trailing null */
+    assert(
+        memcmp(
+            qpdf_oh_get_string_value(qpdf, p_string_with_null),
+            "one\000two",
+            8) == 0);
+    size_t length = 0;
+    p_string_with_null = qpdf_oh_new_binary_string(qpdf, "potato\000salad", 12);
+    /* memcmp adds a character to verify the trailing null */
+    assert(
+        memcmp(
+            qpdf_oh_get_binary_string_value(qpdf, p_string_with_null, &length),
+            "potato\000salad",
+            13) == 0);
+    assert(qpdf_get_last_string_length(qpdf) == 12);
+    assert(length == 12);
+    /* repeat for UTF8 string */
+    qpdf_oh p_utf8_string_with_null =
+        qpdf_oh_parse(qpdf, "<feff007100770000007700f703c0>");
+    assert(qpdf_oh_is_string(qpdf, p_utf8_string_with_null));
+    assert(
+        strcmp(
+            qpdf_oh_get_utf8_value(qpdf, p_utf8_string_with_null),
+            "qw\x00w\xc3\xb7\xcf\x80") == 0);
+    assert(qpdf_get_last_string_length(qpdf) == 8);
+    /* memcmp adds a character to verify the trailing null */
+    assert(
+        memcmp(
+            qpdf_oh_get_utf8_value(qpdf, p_utf8_string_with_null),
+            "qw\x00w\xc3\xb7\xcf\x80",
+            8) == 0);
+    p_utf8_string_with_null =
+        qpdf_oh_new_binary_unicode_string(qpdf, "qw\x00w\xc3\xb7\xcf\x80", 8);
+    /* memcmp adds a character to verify the trailing null */
+    assert(
+        memcmp(
+            qpdf_oh_get_binary_utf8_value(
+                qpdf, p_utf8_string_with_null, &length),
+            "qw\x00w\xc3\xb7\xcf\x80",
+            9) == 0);
+    assert(qpdf_get_last_string_length(qpdf) == 8);
+    assert(length == 8);
+}
+
+static void
+test28(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test case is designed for minimal.pdf. */
+
+    /* Look at the media box. The media box is in array. Trivially
+     * wrap it and also clone it and make sure we get different
+     * handles with the same contents.
+     */
+    qpdf_read(qpdf, infile, password);
+    qpdf_oh root = qpdf_get_root(qpdf);
+    qpdf_oh pages = qpdf_oh_get_key(qpdf, root, "/Pages");
+    qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids");
+    qpdf_oh page1 = qpdf_oh_get_array_item(qpdf, kids, 0);
+    qpdf_oh mediabox = qpdf_oh_get_key(qpdf, page1, "/MediaBox");
+    qpdf_oh wrapped_mediabox = qpdf_oh_wrap_in_array(qpdf, mediabox);
+    qpdf_oh cloned_mediabox = qpdf_oh_new_object(qpdf, mediabox);
+    assert(wrapped_mediabox != mediabox);
+    assert(cloned_mediabox != mediabox);
+    assert(qpdf_oh_get_array_n_items(qpdf, wrapped_mediabox) == 4);
+    for (int i = 0; i < 4; ++i) {
+        qpdf_oh item = qpdf_oh_get_array_item(qpdf, mediabox, i);
+        qpdf_oh item2 = qpdf_oh_get_array_item(qpdf, wrapped_mediabox, i);
+        qpdf_oh item3 = qpdf_oh_get_array_item(qpdf, cloned_mediabox, i);
+        assert(
+            qpdf_oh_get_int_value_as_int(qpdf, item) ==
+            (i == 0       ? 0
+                 : i == 1 ? 0
+                 : i == 2 ? 612
+                 : i == 3 ? 792
+                          : -1));
+        assert(
+            qpdf_oh_get_int_value_as_int(qpdf, item) ==
+            qpdf_oh_get_int_value_as_int(qpdf, item2));
+        assert(
+            qpdf_oh_get_int_value_as_int(qpdf, item) ==
+            qpdf_oh_get_int_value_as_int(qpdf, item3));
+        qpdf_oh_release(qpdf, item);
+    }
+}
+
+static void
+test29(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* Trap exceptions thrown by object accessors. Type mismatches are
+     * errors rather than warnings when they don't have an owning QPDF
+     * object.
+     */
+    qpdf_silence_errors(qpdf);
+
+    /* get_root fails when we have no trailer */
+    qpdf_oh root = qpdf_get_root(qpdf);
+    handle_oh_error(qpdf, "get root");
+    assert(root != 0);
+    assert(!qpdf_oh_is_initialized(qpdf, root));
+
+    assert(!qpdf_oh_is_initialized(qpdf, qpdf_oh_parse(qpdf, "oops")));
+    handle_oh_error(qpdf, "bad parse");
+    report_errors();
+
+    assert(
+        qpdf_oh_get_int_value_as_int(qpdf, qpdf_oh_new_string(qpdf, "x")) == 0);
+    handle_oh_error(qpdf, "type mismatch (int operation on string)");
+    qpdf_oh int_oh = qpdf_oh_new_integer(qpdf, 12);
+    assert(strlen(qpdf_oh_get_string_value(qpdf, int_oh)) == 0);
+    handle_oh_error(qpdf, "type mismatch (string operation on int)");
+
+    // This doesn't test every possible error flow, but it tests each
+    // way of handling errors in the library code.
+    assert(qpdf_oh_get_array_n_items(qpdf, int_oh) == 0);
+    handle_oh_error(qpdf, "array type mismatch - n_items");
+    assert(qpdf_oh_is_null(qpdf, qpdf_oh_get_array_item(qpdf, int_oh, 3)));
+    handle_oh_error(qpdf, "array type mismatch - item");
+    qpdf_oh_append_item(qpdf, int_oh, qpdf_oh_new_null(qpdf));
+    handle_oh_error(qpdf, "append to non-array");
+    qpdf_oh array = qpdf_oh_new_array(qpdf);
+    assert(qpdf_oh_is_null(qpdf, qpdf_oh_get_array_item(qpdf, array, 3)));
+    handle_oh_error(qpdf, "array bounds");
+
+    qpdf_oh_begin_dict_key_iter(qpdf, int_oh);
+    assert(qpdf_oh_dict_more_keys(qpdf) == QPDF_FALSE);
+    handle_oh_error(qpdf, "dictionary iter type mismatch");
+    assert(qpdf_oh_is_null(qpdf, qpdf_oh_get_key(qpdf, int_oh, "potato")));
+    handle_oh_error(qpdf, "dictionary type mismatch");
+    assert(qpdf_oh_has_key(qpdf, int_oh, "potato") == QPDF_FALSE);
+    handle_oh_error(qpdf, "dictionary type mismatch");
+
+    report_errors();
+}
+
+static void
+test30(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    assert(qpdf_read(qpdf, infile, password) & QPDF_ERRORS);
+    /* Fail to handle error */
+}
+
+static void
+test31(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* Make sure type warnings have a specific error code. This test
+     * case is designed for minimal.pdf.
+     */
+    qpdf_read(qpdf, infile, password);
+    qpdf_oh trailer = qpdf_get_trailer(qpdf);
+    assert(qpdf_oh_get_int_value(qpdf, trailer) == 0LL);
+    assert(!qpdf_has_error(qpdf));
+    assert(qpdf_more_warnings(qpdf));
+    qpdf_error e = qpdf_next_warning(qpdf);
+    assert(qpdf_get_error_code(qpdf, e) == qpdf_e_object);
+    report_errors();
+}
+
+static void
+test32(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test case is designed for minimal.pdf. */
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    qpdf_oh page = qpdf_get_object_by_id(qpdf, 3, 0);
+    assert(qpdf_oh_is_dictionary(qpdf, page));
+    assert(qpdf_oh_has_key(qpdf, page, "/MediaBox"));
+    report_errors();
+}
+
+static void
+test33(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test case is designed for minimal.pdf. */
+
+    /* Convert a direct object to an indirect object and replace it. */
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    qpdf_oh root = qpdf_get_root(qpdf);
+    qpdf_oh pages = qpdf_oh_get_key(qpdf, root, "/Pages");
+    qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids");
+    qpdf_oh page1 = qpdf_oh_get_array_item(qpdf, kids, 0);
+    qpdf_oh mediabox = qpdf_oh_get_key(qpdf, page1, "/MediaBox");
+    assert(!qpdf_oh_is_indirect(qpdf, mediabox));
+    qpdf_oh i_mediabox = qpdf_make_indirect_object(qpdf, mediabox);
+    assert(qpdf_oh_is_indirect(qpdf, i_mediabox));
+    qpdf_oh_replace_key(qpdf, page1, "/MediaBox", i_mediabox);
+
+    /* Replace a different indirect object */
+    qpdf_oh resources = qpdf_oh_get_key(qpdf, page1, "/Resources");
+    qpdf_oh procset = qpdf_oh_get_key(qpdf, resources, "/ProcSet");
+    assert(qpdf_oh_is_indirect(qpdf, procset));
+    qpdf_replace_object(
+        qpdf,
+        qpdf_oh_get_object_id(qpdf, procset),
+        qpdf_oh_get_generation(qpdf, procset),
+        qpdf_oh_parse(qpdf, "/PDF"));
+
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
+    qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+}
+
+static void
+test34(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test expects 11-pages.pdf as file1 and minimal.pdf as xarg. */
+
+    /* Non-error cases for page API */
+
+    qpdf_data qpdf2 = qpdf_init();
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    assert(qpdf_read(qpdf2, xarg, "") == 0);
+    assert(qpdf_get_num_pages(qpdf) == 11);
+    assert(qpdf_get_num_pages(qpdf2) == 1);
+
+    /* At this time, there is no C API for accessing stream data, so
+     * we hard-code object IDs from a known input file.
+     */
+    assert(qpdf_oh_get_object_id(qpdf, qpdf_get_page_n(qpdf, 0)) == 4);
+    assert(qpdf_oh_get_object_id(qpdf, qpdf_get_page_n(qpdf, 10)) == 14);
+    qpdf_oh page3 = qpdf_get_page_n(qpdf, 3);
+    assert(qpdf_find_page_by_oh(qpdf, page3) == 3);
+    assert(
+        qpdf_find_page_by_id(qpdf, qpdf_oh_get_object_id(qpdf, page3), 0) == 3);
+
+    /* Add other page to the end */
+    qpdf_oh opage0 = qpdf_get_page_n(qpdf2, 0);
+    assert(qpdf_add_page(qpdf, qpdf2, opage0, QPDF_FALSE) == 0);
+    /* Add other page before page 3 */
+    assert(qpdf_add_page_at(qpdf, qpdf2, opage0, QPDF_TRUE, page3) == 0);
+    /* Remove page 3 */
+    assert(qpdf_remove_page(qpdf, page3) == 0);
+    /* At page 3 back at the beginning */
+    assert(qpdf_add_page(qpdf, qpdf, page3, QPDF_TRUE) == 0);
+
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
+    qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+    qpdf_cleanup(&qpdf2);
+}
+
+static void
+test35(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test uses 11-pages.pdf */
+
+    assert(qpdf_get_num_pages(qpdf) == -1);
+    assert(qpdf_has_error(qpdf));
+    qpdf_error e = qpdf_get_error(qpdf);
+    assert(qpdf_get_error_code(qpdf, e) != QPDF_SUCCESS);
+    assert(!qpdf_has_error(qpdf));
+
+    assert(qpdf_read(qpdf, infile, password) == 0);
+
+    qpdf_oh range = qpdf_get_page_n(qpdf, 11);
+    assert(!qpdf_oh_is_initialized(qpdf, range));
+    assert(qpdf_has_error(qpdf));
+    e = qpdf_get_error(qpdf);
+    assert(qpdf_get_error_code(qpdf, e) != QPDF_SUCCESS);
+    assert(!qpdf_has_error(qpdf));
+
+    assert(qpdf_find_page_by_id(qpdf, 100, 0) == -1);
+    assert(qpdf_has_error(qpdf));
+    e = qpdf_get_error(qpdf);
+    assert(qpdf_get_error_code(qpdf, e) != QPDF_SUCCESS);
+    assert(!qpdf_has_error(qpdf));
+
+    assert(qpdf_find_page_by_oh(qpdf, qpdf_get_root(qpdf)) == -1);
+    assert(qpdf_more_warnings(qpdf));
+    e = qpdf_next_warning(qpdf);
+    assert(qpdf_get_error_code(qpdf, e) != QPDF_SUCCESS);
+    assert(qpdf_has_error(qpdf));
+    e = qpdf_get_error(qpdf);
+    assert(qpdf_get_error_code(qpdf, e) != QPDF_SUCCESS);
+    assert(!qpdf_has_error(qpdf));
+
+    assert(qpdf_find_page_by_id(qpdf, 100, 0) == -1);
+    assert(qpdf_has_error(qpdf));
+    e = qpdf_get_error(qpdf);
+    assert(qpdf_get_error_code(qpdf, e) != QPDF_SUCCESS);
+    assert(!qpdf_has_error(qpdf));
+
+    assert(qpdf_add_page(qpdf, qpdf, 1000, QPDF_FALSE) != 0);
+
+    report_errors();
+}
+
+static void
+test36(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test uses inherited-rotate.pdf */
+
+    assert(qpdf_read(qpdf, infile, password) == 0);
+
+    /* Non-trivially push inherited attributes */
+    qpdf_oh page0 = qpdf_get_object_by_id(qpdf, 3, 0);
+    assert(qpdf_oh_is_dictionary(qpdf, page0));
+    qpdf_oh r = qpdf_oh_get_key(qpdf, page0, "/Rotate");
+    assert(qpdf_oh_get_int_value(qpdf, r) == 90);
+    qpdf_oh_remove_key(qpdf, page0, "/Rotate");
+    assert(!qpdf_oh_has_key(qpdf, page0, "/Rotate"));
+
+    assert(qpdf_push_inherited_attributes_to_page(qpdf) == 0);
+    r = qpdf_oh_get_key(qpdf, page0, "/Rotate");
+    assert(qpdf_oh_get_int_value(qpdf, r) == 270);
+
+    assert(qpdf_add_page(qpdf, qpdf, page0, QPDF_TRUE) == 0);
+}
+
+static void
+test37(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test uses 11-pages.pdf */
+
+    /* Manually manipulate pages tree */
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    assert(qpdf_get_num_pages(qpdf) == 11);
+    qpdf_oh pages = qpdf_get_object_by_id(qpdf, 3, 0);
+    qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids");
+    assert(qpdf_oh_get_array_n_items(qpdf, kids) == 11);
+    qpdf_oh_erase_item(qpdf, kids, 0);
+    assert(qpdf_get_num_pages(qpdf) == 11);
+    assert(qpdf_update_all_pages_cache(qpdf) == 0);
+    assert(qpdf_get_num_pages(qpdf) == 10);
+}
+
+static void
+test38(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test expects 11-pages.pdf. */
+
+    /* Read stream data */
+
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    qpdf_oh stream = qpdf_get_object_by_id(qpdf, 17, 0);
+    qpdf_oh dict = qpdf_oh_get_dict(qpdf, stream);
+    assert(
+        qpdf_oh_get_int_value_as_int(
+            qpdf, qpdf_oh_get_key(qpdf, dict, "/Length")) == 53);
+    /* Get raw data */
+    unsigned char* buf = 0;
+    size_t len = 0;
+    assert(
+        qpdf_oh_get_stream_data(qpdf, stream, qpdf_dl_none, 0, &buf, &len) ==
+        0);
+    assert(len == 53);
+    assert(((int)buf0 == 'x') && ((int)buf1 == 0234));
+    free(buf);
+
+    /* Test whether filterable */
+    QPDF_BOOL filtered = QPDF_FALSE;
+    assert(
+        qpdf_oh_get_stream_data(qpdf, stream, qpdf_dl_all, &filtered, 0, 0) ==
+        0);
+    assert(filtered == QPDF_TRUE);
+
+    /* Get filtered data */
+    assert(
+        qpdf_oh_get_stream_data(qpdf, stream, qpdf_dl_all, 0, &buf, &len) == 0);
+    assert(len == 47);
+    assert(
+        memcmp(
+            (char const*)buf,
+            "BT /F1 15 Tf 72 720 Td (Original page 2) Tj ET\n",
+            len) == 0);
+
+    /* Get page data */
+    qpdf_oh page2 = qpdf_get_page_n(qpdf, 1); /* 0-based index */
+    unsigned char* buf2 = 0;
+    assert(qpdf_oh_get_page_content_data(qpdf, page2, &buf2, &len) == 0);
+    assert(len == 47);
+    assert(memcmp(buf, buf2, len) == 0);
+    free(buf);
+    free(buf2);
+
+    /* errors */
+    printf("page content on broken page\n");
+    qpdf_oh_replace_key(qpdf, page2, "/Contents", qpdf_oh_new_integer(qpdf, 3));
+    buf = 0;
+    qpdf_oh_get_page_content_data(qpdf, page2, &buf, &len);
+    assert(buf == 0);
+    report_errors();
+    printf("stream data for non stream\n");
+    qpdf_oh root = qpdf_get_root(qpdf);
+    assert(qpdf_oh_get_stream_data(qpdf, root, qpdf_dl_all, 0, 0, 0) != 0);
+    report_errors();
+}
+
+static void
+test39(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test expects 11-pages.pdf as file1 and minimal.pdf as xarg. */
+
+    /* Foreign object */
+
+    qpdf_data qpdf2 = qpdf_init();
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    assert(qpdf_read(qpdf2, xarg, "") == 0);
+
+    qpdf_oh resources = qpdf_get_object_by_id(qpdf2, 3, 0);
+    qpdf_oh copy = qpdf_oh_copy_foreign_object(qpdf, qpdf2, resources);
+    qpdf_oh root = qpdf_get_root(qpdf);
+    qpdf_oh_replace_key(qpdf, root, "/Copy", copy);
+
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
+    qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+    qpdf_cleanup(&qpdf2);
+}
+
+static void
+test40(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* This test expects minimal.pdf. */
+
+    /* New stream */
+
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    qpdf_oh stream = qpdf_oh_new_stream(qpdf);
+    qpdf_oh_replace_stream_data(
+        qpdf,
+        stream,
+        (unsigned char*)"12345\000abcde",
+        11, /* embedded null */
+        qpdf_oh_new_null(qpdf),
+        qpdf_oh_new_null(qpdf));
+    qpdf_oh root = qpdf_get_root(qpdf);
+    qpdf_oh_replace_key(qpdf, root, "/Potato", stream);
+
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
+    qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+}
+
+static void
+test41(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    /* Empty PDF -- infile is ignored */
+    assert(qpdf_empty_pdf(qpdf) == 0);
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+}
+
+static void
+test42(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    assert(qpdf_create_from_json_file(qpdf, infile) == QPDF_SUCCESS);
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+}
+
+static void
+test43(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    char* buf = NULL;
+    unsigned long size = 0;
+    read_file_into_memory(infile, &buf, &size);
+    assert(qpdf_create_from_json_data(qpdf, buf, size) == QPDF_SUCCESS);
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+    free(buf);
+}
+
+static void
+test44(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    assert(qpdf_update_from_json_file(qpdf, xarg) == QPDF_SUCCESS);
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+}
+
+static void
+test45(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    char* buf = NULL;
+    unsigned long size = 0;
+    read_file_into_memory(xarg, &buf, &size);
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    assert(qpdf_update_from_json_data(qpdf, buf, size) == QPDF_SUCCESS);
+    qpdf_init_write(qpdf, outfile);
+    qpdf_set_static_ID(qpdf, QPDF_TRUE);
+    qpdf_write(qpdf);
+    report_errors();
+    free(buf);
+}
+
+static void
+test46(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    FILE* f = safe_fopen(outfile, "wb");
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    qpdf_write_json(
+        qpdf, 2, write_to_file, f, qpdf_dl_none, qpdf_sj_inline, "", NULL);
+    fclose(f);
+    report_errors();
+}
+
+static void
+test47(
+    char const* infile,
+    char const* password,
+    char const* outfile,
+    char const* xarg)
+{
+    FILE* f = safe_fopen(outfile, "wb");
+    assert(qpdf_read(qpdf, infile, password) == 0);
+    char const* wanted_objects = {"obj:4 0 R", "trailer", NULL};
+    qpdf_write_json(
+        qpdf,
+        2,
+        write_to_file,
+        f,
+        qpdf_dl_specialized,
+        qpdf_sj_file,
+        xarg,
+        wanted_objects);
+    fclose(f);
+    report_errors();
+}
+
+int
+main(int argc, char* argv)
 {
     char* p = 0;
     int n = 0;
     char const* infile = 0;
     char const* password = 0;
     char const* outfile = 0;
-    char const* outfile2 = 0;
+    char const* xarg = 0;
     void (*fn)(char const*, char const*, char const*, char const*) = 0;
 
-    if ((p = strrchr(argv0, '/')) != NULL)
-    {
-	whoami = p + 1;
-    }
-    else if ((p = strrchr(argv0, '\\')) != NULL)
-    {
-	whoami = p + 1;
+    if ((p = strrchr(argv0, '/')) != NULL) {
+        whoami = p + 1;
+    } else if ((p = strrchr(argv0, '\\')) != NULL) {
+        whoami = p + 1;
+    } else {
+        whoami = argv0;
     }
-    else
-    {
-	whoami = argv0;
-    }
-    if ((argc == 2) && (strcmp(argv1, "--version") == 0))
-    {
-	printf("qpdf-ctest version %s\n", qpdf_get_qpdf_version());
-	return 0;
+    if ((argc == 2) && (strcmp(argv1, "--version") == 0)) {
+        printf("qpdf-ctest version %s\n", qpdf_get_qpdf_version());
+        return 0;
     }
 
-    if (argc < 5)
-    {
-	fprintf(stderr, "usage: %s n infile password outfile\n", whoami);
-	exit(2);
+    if (argc < 5) {
+        fprintf(stderr, "usage: %s n infile password outfile\n", whoami);
+        exit(2);
     }
 
     n = atoi(argv1);
     infile = argv2;
     password = argv3;
     outfile = argv4;
-    outfile2 = (argc > 5 ? argv5 : 0);
-
-    fn = ((n == 1) ? test01 :
-	  (n == 2) ? test02 :
-	  (n == 3) ? test03 :
-	  (n == 4) ? test04 :
-	  (n == 5) ? test05 :
-	  (n == 6) ? test06 :
-	  (n == 7) ? test07 :
-	  (n == 8) ? test08 :
-	  (n == 9) ? test09 :
-	  (n == 10) ? test10 :
-	  (n == 11) ? test11 :
-	  (n == 12) ? test12 :
-	  (n == 13) ? test13 :
-	  (n == 14) ? test14 :
-	  (n == 15) ? test15 :
-	  (n == 16) ? test16 :
-	  (n == 17) ? test17 :
-	  (n == 18) ? test18 :
-	  (n == 19) ? test19 :
-	  (n == 20) ? test20 :
-	  (n == 21) ? test21 :
-	  (n == 22) ? test22 :
-	  (n == 23) ? test23 :
-	  0);
-
-    if (fn == 0)
-    {
-	fprintf(stderr, "%s: invalid test number %d\n", whoami, n);
-	exit(2);
+    xarg = (argc > 5 ? argv5 : 0);
+
+    fn =
+        ((n == 1)        ? test01
+             : (n == 2)  ? test02
+             : (n == 3)  ? test03
+             : (n == 4)  ? test04
+             : (n == 5)  ? test05
+             : (n == 6)  ? test06
+             : (n == 7)  ? test07
+             : (n == 8)  ? test08
+             : (n == 9)  ? test09
+             : (n == 10) ? test10
+             : (n == 11) ? test11
+             : (n == 12) ? test12
+             : (n == 13) ? test13
+             : (n == 14) ? test14
+             : (n == 15) ? test15
+             : (n == 16) ? test16
+             : (n == 17) ? test17
+             : (n == 18) ? test18
+             : (n == 19) ? test19
+             : (n == 20) ? test20
+             : (n == 21) ? test21
+             : (n == 22) ? test22
+             : (n == 23) ? test23
+             : (n == 24) ? test24
+             : (n == 25) ? test25
+             : (n == 26) ? test26
+             : (n == 27) ? test27
+             : (n == 28) ? test28
+             : (n == 29) ? test29
+             : (n == 30) ? test30
+             : (n == 31) ? test31
+             : (n == 32) ? test32
+             : (n == 33) ? test33
+             : (n == 34) ? test34
+             : (n == 35) ? test35
+             : (n == 36) ? test36
+             : (n == 37) ? test37
+             : (n == 38) ? test38
+             : (n == 39) ? test39
+             : (n == 40) ? test40
+             : (n == 41) ? test41
+             : (n == 42) ? test42
+             : (n == 43) ? test43
+             : (n == 44) ? test44
+             : (n == 45) ? test45
+             : (n == 46) ? test46
+             : (n == 47) ? test47
+                         : 0);
+
+    if (fn == 0) {
+        fprintf(stderr, "%s: invalid test number %d\n", whoami, n);
+        exit(2);
     }
 
     qpdf = qpdf_init();
-    fn(infile, password, outfile, outfile2);
+    fn(infile, password, outfile, xarg);
     qpdf_cleanup(&qpdf);
     assert(qpdf == 0);
+    printf("C test %d done\n", n);
 
     return 0;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qpdf.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qpdf.cc Changed

@@ -1,5144 +1,66 @@
-#include <iostream>
-#include <string.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <ctype.h>
-
+#include <qpdf/QPDFJob.hh>
+#include <qpdf/QPDFUsage.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/QTC.hh>
-#include <qpdf/ClosedFileInputSource.hh>
-#include <qpdf/FileInputSource.hh>
-#include <qpdf/Pl_StdioFile.hh>
-#include <qpdf/Pl_Discard.hh>
-#include <qpdf/Pl_DCT.hh>
-#include <qpdf/Pl_Count.hh>
-#include <qpdf/PointerHolder.hh>
-
-#include <qpdf/QPDF.hh>
-#include <qpdf/QPDFPageDocumentHelper.hh>
-#include <qpdf/QPDFPageObjectHelper.hh>
-#include <qpdf/QPDFPageLabelDocumentHelper.hh>
-#include <qpdf/QPDFOutlineDocumentHelper.hh>
-#include <qpdf/QPDFAcroFormDocumentHelper.hh>
-#include <qpdf/QPDFExc.hh>
-
-#include <qpdf/QPDFWriter.hh>
 
-static int const EXIT_ERROR = 2;
-static int const EXIT_WARNING = 3;
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
 
 static char const* whoami = 0;
 
-static std::string expected_version = "8.4.2";
-
-struct PageSpec
-{
-    PageSpec(std::string const& filename,
-             char const* password,
-             char const* range) :
-        filename(filename),
-        password(password),
-        range(range)
-    {
-    }
-
-    std::string filename;
-    char const* password;
-    char const* range;
-};
-
-struct RotationSpec
-{
-    RotationSpec(int angle = 0, bool relative = false) :
-        angle(angle),
-        relative(relative)
-    {
-    }
-
-    int angle;
-    bool relative;
-};
-
-enum password_mode_e { pm_bytes, pm_hex_bytes, pm_unicode, pm_auto };
-
-struct UnderOverlay
-{
-    UnderOverlay(char const* which) :
-        which(which),
-        filename(0),
-        password(0),
-        to_nr("1-z"),
-        from_nr("1-z"),
-        repeat_nr("")
-    {
-    }
-
-    std::string which;
-    char const* filename;
-    char const* password;
-    char const* to_nr;
-    char const* from_nr;
-    char const* repeat_nr;
-    PointerHolder<QPDF> pdf;
-    std::vector<int> to_pagenos;
-    std::vector<int> from_pagenos;
-    std::vector<int> repeat_pagenos;
-};
-
-struct Options
-{
-    Options() :
-        password(0),
-        linearize(false),
-        decrypt(false),
-        split_pages(0),
-        verbose(false),
-        progress(false),
-        suppress_warnings(false),
-        copy_encryption(false),
-        encryption_file(0),
-        encryption_file_password(0),
-        encrypt(false),
-        password_is_hex_key(false),
-        suppress_password_recovery(false),
-        password_mode(pm_auto),
-        keylen(0),
-        r2_print(true),
-        r2_modify(true),
-        r2_extract(true),
-        r2_annotate(true),
-        r3_accessibility(true),
-        r3_extract(true),
-        r3_assemble(true),
-        r3_annotate_and_form(true),
-        r3_form_filling(true),
-        r3_modify_other(true),
-        r3_print(qpdf_r3p_full),
-        force_V4(false),
-        force_R5(false),
-        cleartext_metadata(false),
-        use_aes(false),
-        stream_data_set(false),
-        stream_data_mode(qpdf_s_compress),
-        compress_streams(true),
-        compress_streams_set(false),
-        decode_level(qpdf_dl_generalized),
-        decode_level_set(false),
-        normalize_set(false),
-        normalize(false),
-        suppress_recovery(false),
-        object_stream_set(false),
-        object_stream_mode(qpdf_o_preserve),
-        ignore_xref_streams(false),
-        qdf_mode(false),
-        preserve_unreferenced_objects(false),
-        preserve_unreferenced_page_resources(false),
-        keep_files_open(true),
-        keep_files_open_set(false),
-        keep_files_open_threshold(200), // default known in help and docs
-        newline_before_endstream(false),
-        coalesce_contents(false),
-        flatten_annotations(false),
-        flatten_annotations_required(0),
-        flatten_annotations_forbidden(an_invisible | an_hidden),
-        generate_appearances(false),
-        show_npages(false),
-        deterministic_id(false),
-        static_id(false),
-        static_aes_iv(false),
-        suppress_original_object_id(false),
-        show_encryption(false),
-        show_encryption_key(false),
-        check_linearization(false),
-        show_linearization(false),
-        show_xref(false),
-        show_trailer(false),
-        show_obj(0),
-        show_gen(0),
-        show_raw_stream_data(false),
-        show_filtered_stream_data(false),
-        show_pages(false),
-        show_page_images(false),
-        collate(false),
-        json(false),
-        check(false),
-        optimize_images(false),
-        externalize_inline_images(false),
-        keep_inline_images(false),
-        remove_page_labels(false),
-        oi_min_width(128),      // Default values for these
-        oi_min_height(128),     // oi flags are in --help
-        oi_min_area(16384),     // and in the manual.
-        ii_min_bytes(1024),     //
-        underlay("underlay"),
-        overlay("overlay"),
-        under_overlay(0),
-        require_outfile(true),
-        infilename(0),
-        outfilename(0)
-    {
-    }
-
-    char const* password;
-    bool linearize;
-    bool decrypt;
-    int split_pages;
-    bool verbose;
-    bool progress;
-    bool suppress_warnings;
-    bool copy_encryption;
-    char const* encryption_file;
-    char const* encryption_file_password;
-    bool encrypt;
-    bool password_is_hex_key;
-    bool suppress_password_recovery;
-    password_mode_e password_mode;
-    std::string user_password;
-    std::string owner_password;
-    int keylen;
-    bool r2_print;
-    bool r2_modify;
-    bool r2_extract;
-    bool r2_annotate;
-    bool r3_accessibility;
-    bool r3_extract;
-    bool r3_assemble;
-    bool r3_annotate_and_form;
-    bool r3_form_filling;
-    bool r3_modify_other;
-    qpdf_r3_print_e r3_print;
-    bool force_V4;
-    bool force_R5;
-    bool cleartext_metadata;
-    bool use_aes;
-    bool stream_data_set;
-    qpdf_stream_data_e stream_data_mode;
-    bool compress_streams;
-    bool compress_streams_set;
-    qpdf_stream_decode_level_e decode_level;
-    bool decode_level_set;
-    bool normalize_set;
-    bool normalize;
-    bool suppress_recovery;
-    bool object_stream_set;
-    qpdf_object_stream_e object_stream_mode;
-    bool ignore_xref_streams;
-    bool qdf_mode;
-    bool preserve_unreferenced_objects;
-    bool preserve_unreferenced_page_resources;
-    bool keep_files_open;
-    bool keep_files_open_set;
-    size_t keep_files_open_threshold;
-    bool newline_before_endstream;
-    std::string linearize_pass1;
-    bool coalesce_contents;
-    bool flatten_annotations;
-    int flatten_annotations_required;
-    int flatten_annotations_forbidden;
-    bool generate_appearances;
-    std::string min_version;
-    std::string force_version;
-    bool show_npages;
-    bool deterministic_id;
-    bool static_id;
-    bool static_aes_iv;
-    bool suppress_original_object_id;
-    bool show_encryption;
-    bool show_encryption_key;
-    bool check_linearization;
-    bool show_linearization;
-    bool show_xref;
-    bool show_trailer;
-    int show_obj;
-    int show_gen;
-    bool show_raw_stream_data;
-    bool show_filtered_stream_data;
-    bool show_pages;
-    bool show_page_images;
-    bool collate;
-    bool json;
-    std::set<std::string> json_keys;
-    std::set<std::string> json_objects;
-    bool check;
-    bool optimize_images;
-    bool externalize_inline_images;
-    bool keep_inline_images;
-    bool remove_page_labels;
-    size_t oi_min_width;
-    size_t oi_min_height;
-    size_t oi_min_area;
-    size_t ii_min_bytes;
-    UnderOverlay underlay;
-    UnderOverlay overlay;
-    UnderOverlay* under_overlay;
-    std::vector<PageSpec> page_specs;
-    std::map<std::string, RotationSpec> rotations;
-    bool require_outfile;
-    char const* infilename;
-    char const* outfilename;
-};
-
-struct QPDFPageData
-{
-    QPDFPageData(std::string const& filename, QPDF* qpdf, char const* range);
-    QPDFPageData(QPDFPageData const& other, int page);
-
-    std::string filename;
-    QPDF* qpdf;
-    std::vector<QPDFObjectHandle> orig_pages;
-    std::vector<int> selected_pages;
-};
-
-class DiscardContents: public QPDFObjectHandle::ParserCallbacks
-{
-  public:
-    virtual ~DiscardContents() {}
-    virtual void handleObject(QPDFObjectHandle) {}
-    virtual void handleEOF() {}
-};
-
-class ProgressReporter: public QPDFWriter::ProgressReporter
-{
-  public:
-    ProgressReporter(char const* filename) :
-        filename(filename)
-    {
-    }
-    virtual ~ProgressReporter()
-    {
-    }
-
-    virtual void reportProgress(int);
-  private:
-    std::string filename;
-};
-
-void
-ProgressReporter::reportProgress(int percentage)
-{
-    std::cout << whoami << ": " << filename << ": write progress: "
-              << percentage << "%" << std::endl;
-}
-
-static JSON json_schema(std::set<std::string>* keys = 0)
-{
-    // Style: use all lower-case keys with no dashes or underscores.
-    // Choose array or dictionary based on indexing. For example, we
-    // use a dictionary for objects because we want to index by object
-    // ID and an array for pages because we want to index by position.
-    // The pages in the pages array contain references back to the
-    // original object, which can be resolved in the objects
-    // dictionary. When a PDF construct that maps back to an original
-    // object is represented separately, use "object" as the key that
-    // references the original object.
-
-    // This JSON object doubles as a schema and as documentation for
-    // our JSON output. Any schema mismatch is a bug in qpdf. This
-    // helps to enforce our policy of consistently providing a known
-    // structure where every documented key will always be present,
-    // which makes it easier to consume our JSON. This is discussed in
-    // more depth in the manual.
-    JSON schema = JSON::makeDictionary();
-    schema.addDictionaryMember(
-        "version", JSON::makeString(
-            "JSON format serial number; increased for non-compatible changes"));
-    JSON j_params = schema.addDictionaryMember(
-        "parameters", JSON::makeDictionary());
-    j_params.addDictionaryMember(
-        "decodelevel", JSON::makeString(
-            "decode level used to determine stream filterability"));
-
-    bool all_keys = ((keys == 0) || keys->empty());
-
-    // The list of selectable top-level keys id duplicated in three
-    // places: json_schema, do_json, and initOptionTable.
-    if (all_keys || keys->count("objects"))
-    {
-        schema.addDictionaryMember(
-            "objects", JSON::makeString(
-                "dictionary of original objects;"
-                " keys are 'trailer' or 'n n R'"));
-    }
-    if (all_keys || keys->count("pages"))
-    {
-        JSON page = schema.addDictionaryMember("pages", JSON::makeArray()).
-            addArrayElement(JSON::makeDictionary());
-        page.addDictionaryMember(
-            "object",
-            JSON::makeString("reference to original page object"));
-        JSON image = page.addDictionaryMember("images", JSON::makeArray()).
-            addArrayElement(JSON::makeDictionary());
-        image.addDictionaryMember(
-            "name",
-            JSON::makeString("name of image in XObject table"));
-        image.addDictionaryMember(
-            "object",
-            JSON::makeString("reference to image stream"));
-        image.addDictionaryMember(
-            "width",
-            JSON::makeString("image width"));
-        image.addDictionaryMember(
-            "height",
-            JSON::makeString("image height"));
-        image.addDictionaryMember(
-            "colorspace",
-            JSON::makeString("color space"));
-        image.addDictionaryMember(
-            "bitspercomponent",
-            JSON::makeString("bits per component"));
-        image.addDictionaryMember("filter", JSON::makeArray()).
-            addArrayElement(
-                JSON::makeString("filters applied to image data"));
-        image.addDictionaryMember("decodeparms", JSON::makeArray()).
-            addArrayElement(
-                JSON::makeString("decode parameters for image data"));
-        image.addDictionaryMember(
-            "filterable",
-            JSON::makeString("whether image data can be decoded"
-                             " using the decode level qpdf was invoked with"));
-        page.addDictionaryMember("contents", JSON::makeArray()).
-            addArrayElement(
-                JSON::makeString("reference to each content stream"));
-        page.addDictionaryMember(
-            "label",
-            JSON::makeString("page label dictionary, or null if none"));
-        JSON outline = page.addDictionaryMember("outlines", JSON::makeArray()).
-            addArrayElement(JSON::makeDictionary());
-        outline.addDictionaryMember(
-            "object",
-            JSON::makeString("reference to outline that targets this page"));
-        outline.addDictionaryMember(
-            "title",
-            JSON::makeString("outline title"));
-        outline.addDictionaryMember(
-            "dest",
-            JSON::makeString("outline destination dictionary"));
-        page.addDictionaryMember(
-            "pageposfrom1",
-            JSON::makeString("position of page in document numbering from 1"));
-    }
-    if (all_keys || keys->count("pagelabels"))
-    {
-        JSON labels = schema.addDictionaryMember(
-            "pagelabels", JSON::makeArray()).
-            addArrayElement(JSON::makeDictionary());
-        labels.addDictionaryMember(
-            "index",
-            JSON::makeString("starting page position starting from zero"));
-        labels.addDictionaryMember(
-            "label",
-            JSON::makeString("page label dictionary"));
-    }
-    if (all_keys || keys->count("outlines"))
-    {
-        JSON outlines = schema.addDictionaryMember(
-            "outlines", JSON::makeArray()).
-            addArrayElement(JSON::makeDictionary());
-        outlines.addDictionaryMember(
-            "object",
-            JSON::makeString("reference to this outline"));
-        outlines.addDictionaryMember(
-            "title",
-            JSON::makeString("outline title"));
-        outlines.addDictionaryMember(
-            "dest",
-            JSON::makeString("outline destination dictionary"));
-        outlines.addDictionaryMember(
-            "kids",
-            JSON::makeString("array of descendent outlines"));
-        outlines.addDictionaryMember(
-            "open",
-            JSON::makeString("whether the outline is displayed expanded"));
-        outlines.addDictionaryMember(
-            "destpageposfrom1",
-            JSON::makeString("position of destination page in document"
-                             " numbered from 1; null if not known"));
-    }
-    if (all_keys || keys->count("acroform"))
-    {
-        JSON acroform = schema.addDictionaryMember(
-            "acroform", JSON::makeDictionary());
-        acroform.addDictionaryMember(
-            "hasacroform",
-            JSON::makeString("whether the document has interactive forms"));
-        acroform.addDictionaryMember(
-            "needappearances",
-            JSON::makeString("whether the form fields' appearance"
-                             " streams need to be regenerated"));
-        JSON fields = acroform.addDictionaryMember(
-            "fields", JSON::makeArray()).
-            addArrayElement(JSON::makeDictionary());
-        fields.addDictionaryMember(
-            "object",
-            JSON::makeString("reference to this form field"));
-        fields.addDictionaryMember(
-            "parent",
-            JSON::makeString("reference to this field's parent"));
-        fields.addDictionaryMember(
-            "pageposfrom1",
-            JSON::makeString("position of containing page numbered from 1"));
-        fields.addDictionaryMember(
-            "fieldtype",
-            JSON::makeString("field type"));
-        fields.addDictionaryMember(
-            "fieldflags",
-            JSON::makeString(
-                "form field flags from /Ff --"
-                " see pdf_form_field_flag_e in qpdf/Constants.h"));
-        fields.addDictionaryMember(
-            "fullname",
-            JSON::makeString("full name of field"));
-        fields.addDictionaryMember(
-            "partialname",
-            JSON::makeString("partial name of field"));
-        fields.addDictionaryMember(
-            "alternativename",
-            JSON::makeString(
-                "alternative name of field --"
-                " this is the one usually shown to users"));
-        fields.addDictionaryMember(
-            "mappingname",
-            JSON::makeString("mapping name of field"));
-        fields.addDictionaryMember(
-            "value",
-            JSON::makeString("value of field"));
-        fields.addDictionaryMember(
-            "defaultvalue",
-            JSON::makeString("default value of field"));
-        fields.addDictionaryMember(
-            "quadding",
-            JSON::makeString(
-                "field quadding --"
-                " number indicating left, center, or right"));
-        fields.addDictionaryMember(
-            "ischeckbox",
-            JSON::makeString("whether field is a checkbox"));
-        fields.addDictionaryMember(
-            "isradiobutton",
-            JSON::makeString("whether field is a radio button --"
-                             " buttons in a single group share a parent"));
-        fields.addDictionaryMember(
-            "ischoice",
-            JSON::makeString("whether field is a list, combo, or dropdown"));
-        fields.addDictionaryMember(
-            "istext",
-            JSON::makeString("whether field is a text field"));
-        JSON j_choices = fields.addDictionaryMember(
-            "choices",
-            JSON::makeString("for choices fields, the list of"
-                             " choices presented to the user"));
-        JSON annotation = fields.addDictionaryMember(
-            "annotation", JSON::makeDictionary());
-        annotation.addDictionaryMember(
-            "object",
-            JSON::makeString("reference to the annotation object"));
-        annotation.addDictionaryMember(
-            "appearancestate",
-            JSON::makeString("appearance state --"
-                             " can be used to determine value for"
-                             " checkboxes and radio buttons"));
-        annotation.addDictionaryMember(
-            "annotationflags",
-            JSON::makeString(
-                "annotation flags from /F --"
-                " see pdf_annotation_flag_e in qpdf/Constants.h"));
-    }
-    return schema;
-}
-
-static void parse_object_id(std::string const& objspec,
-                            bool& trailer, int& obj, int& gen)
-{
-    if (objspec == "trailer")
-    {
-        trailer = true;
-    }
-    else
-    {
-        trailer = false;
-        obj = QUtil::string_to_int(objspec.c_str());
-        size_t comma = objspec.find(',');
-        if ((comma != std::string::npos) && (comma + 1 < objspec.length()))
-        {
-            gen = QUtil::string_to_int(
-                objspec.substr(1 + comma, std::string::npos).c_str());
-        }
-    }
-}
-
-// This is not a general-purpose argument parser. It is tightly
-// crafted to work with qpdf. qpdf's command-line syntax is very
-// complex because of its long history, and it doesn't really follow
-// any kind of normal standard for arguments, but I don't want to
-// break compatibility by changing what constitutes a valid command.
-// This class is intended to simplify the argument parsing code and
-// also to make it possible to add bash completion support while
-// guaranteeing consistency with the actual argument syntax.
-class ArgParser
-{
-  public:
-    ArgParser(int argc, char* argv, Options& o);
-    void parseOptions();
-
-  private:
-    typedef void (ArgParser::*bare_arg_handler_t)();
-    typedef void (ArgParser::*param_arg_handler_t)(char* parameter);
-
-    struct OptionEntry
-    {
-        OptionEntry() :
-            parameter_needed(false),
-            bare_arg_handler(0),
-            param_arg_handler(0)
-        {
-        }
-        bool parameter_needed;
-        std::string parameter_name;
-        std::set<std::string> choices;
-        bare_arg_handler_t bare_arg_handler;
-        param_arg_handler_t param_arg_handler;
-    };
-    friend struct OptionEntry;
-
-    OptionEntry oe_positional(param_arg_handler_t);
-    OptionEntry oe_bare(bare_arg_handler_t);
-    OptionEntry oe_requiredParameter(param_arg_handler_t, char const* name);
-    OptionEntry oe_optionalParameter(param_arg_handler_t);
-    OptionEntry oe_requiredChoices(param_arg_handler_t, char const** choices);
-
-    void argHelp();
-    void argVersion();
-    void argCopyright();
-    void argCompletionBash();
-    void argCompletionZsh();
-    void argJsonHelp();
-    void argPositional(char* arg);
-    void argPassword(char* parameter);
-    void argEmpty();
-    void argLinearize();
-    void argEncrypt();
-    void argDecrypt();
-    void argPasswordIsHexKey();
-    void argPasswordMode(char* parameter);
-    void argSuppressPasswordRecovery();
-    void argCopyEncryption(char* parameter);
-    void argEncryptionFilePassword(char* parameter);
-    void argPages();
-    void argUnderlay();
-    void argOverlay();
-    void argRotate(char* parameter);
-    void argCollate();
-    void argStreamData(char* parameter);
-    void argCompressStreams(char* parameter);
-    void argDecodeLevel(char* parameter);
-    void argNormalizeContent(char* parameter);
-    void argSuppressRecovery();
-    void argObjectStreams(char* parameter);
-    void argIgnoreXrefStreams();
-    void argQdf();
-    void argPreserveUnreferenced();
-    void argPreserveUnreferencedResources();
-    void argKeepFilesOpen(char* parameter);
-    void argKeepFilesOpenThreshold(char* parameter);
-    void argNewlineBeforeEndstream();
-    void argLinearizePass1(char* parameter);
-    void argCoalesceContents();
-    void argFlattenAnnotations(char* parameter);
-    void argGenerateAppearances();
-    void argMinVersion(char* parameter);
-    void argForceVersion(char* parameter);
-    void argSplitPages(char* parameter);
-    void argVerbose();
-    void argProgress();
-    void argNoWarn();
-    void argDeterministicId();
-    void argStaticId();
-    void argStaticAesIv();
-    void argNoOriginalObjectIds();
-    void argShowEncryption();
-    void argShowEncryptionKey();
-    void argCheckLinearization();
-    void argShowLinearization();
-    void argShowXref();
-    void argShowObject(char* parameter);
-    void argRawStreamData();
-    void argFilteredStreamData();
-    void argShowNpages();
-    void argShowPages();
-    void argWithImages();
-    void argJson();
-    void argJsonKey(char* parameter);
-    void argJsonObject(char* parameter);
-    void argCheck();
-    void argOptimizeImages();
-    void argExternalizeInlineImages();
-    void argKeepInlineImages();
-    void argRemovePageLabels();
-    void argOiMinWidth(char* parameter);
-    void argOiMinHeight(char* parameter);
-    void argOiMinArea(char* parameter);
-    void argIiMinBytes(char* parameter);
-    void arg40Print(char* parameter);
-    void arg40Modify(char* parameter);
-    void arg40Extract(char* parameter);
-    void arg40Annotate(char* parameter);
-    void arg128Accessibility(char* parameter);
-    void arg128Extract(char* parameter);
-    void arg128Print(char* parameter);
-    void arg128Modify(char* parameter);
-    void arg128ClearTextMetadata();
-    void arg128Assemble(char* parameter);
-    void arg128Annotate(char* parameter);
-    void arg128Form(char* parameter);
-    void arg128ModOther(char* parameter);
-    void arg128UseAes(char* parameter);
-    void arg128ForceV4();
-    void arg256ForceR5();
-    void argEndEncrypt();
-    void argUOpositional(char* arg);
-    void argUOto(char* parameter);
-    void argUOfrom(char* parameter);
-    void argUOrepeat(char* parameter);
-    void argUOpassword(char* parameter);
-    void argEndUnderOverlay();
-
-    void usage(std::string const& message);
-    void checkCompletion();
-    void initOptionTable();
-    void handleHelpArgs();
-    void handleArgFileArguments();
-    void handleBashArguments();
-    void readArgsFromFile(char const* filename);
-    void doFinalChecks();
-    void addOptionsToCompletions();
-    void addChoicesToCompletions(std::string const&, std::string const&);
-    void handleCompletion();
-    std::vector<PageSpec> parsePagesOptions();
-    void parseUnderOverlayOptions(UnderOverlay*);
-    void parseRotationParameter(std::string const&);
-    std::vector<int> parseNumrange(char const* range, int max,
-                                   bool throw_error = false);
-
-    int argc;
-    char** argv;
-    Options& o;
-    int cur_arg;
-    bool bash_completion;
-    bool zsh_completion;
-    std::string bash_prev;
-    std::string bash_cur;
-    std::string bash_line;
-    std::set<std::string> completions;
-
-    std::map<std::string, OptionEntry>* option_table;
-    std::map<std::string, OptionEntry> help_option_table;
-    std::map<std::string, OptionEntry> main_option_table;
-    std::map<std::string, OptionEntry> encrypt40_option_table;
-    std::map<std::string, OptionEntry> encrypt128_option_table;
-    std::map<std::string, OptionEntry> encrypt256_option_table;
-    std::map<std::string, OptionEntry> under_overlay_option_table;
-    std::vector<PointerHolder<char> > new_argv;
-    std::vector<PointerHolder<char> > bash_argv;
-    PointerHolder<char*> argv_ph;
-    PointerHolder<char*> bash_argv_ph;
-};
-
-ArgParser::ArgParser(int argc, char* argv, Options& o) :
-    argc(argc),
-    argv(argv),
-    o(o),
-    cur_arg(0),
-    bash_completion(false),
-    zsh_completion(false)
-{
-    option_table = &main_option_table;
-    initOptionTable();
-}
-
-ArgParser::OptionEntry
-ArgParser::oe_positional(param_arg_handler_t h)
-{
-    OptionEntry oe;
-    oe.param_arg_handler = h;
-    return oe;
-}
-
-ArgParser::OptionEntry
-ArgParser::oe_bare(bare_arg_handler_t h)
-{
-    OptionEntry oe;
-    oe.parameter_needed = false;
-    oe.bare_arg_handler = h;
-    return oe;
-}
-
-ArgParser::OptionEntry
-ArgParser::oe_requiredParameter(param_arg_handler_t h, char const* name)
-{
-    OptionEntry oe;
-    oe.parameter_needed = true;
-    oe.parameter_name = name;
-    oe.param_arg_handler = h;
-    return oe;
-}
-
-ArgParser::OptionEntry
-ArgParser::oe_optionalParameter(param_arg_handler_t h)
-{
-    OptionEntry oe;
-    oe.parameter_needed = false;
-    oe.param_arg_handler = h;
-    return oe;
-}
-
-ArgParser::OptionEntry
-ArgParser::oe_requiredChoices(param_arg_handler_t h, char const** choices)
-{
-    OptionEntry oe;
-    oe.parameter_needed = true;
-    oe.param_arg_handler = h;
-    for (char const** i = choices; *i; ++i)
-    {
-        oe.choices.insert(*i);
-    }
-    return oe;
-}
-
-void
-ArgParser::initOptionTable()
-{
-    std::map<std::string, OptionEntry>* t = &this->help_option_table;
-    (*t)"help" = oe_bare(&ArgParser::argHelp);
-    (*t)"version" = oe_bare(&ArgParser::argVersion);
-    (*t)"copyright" = oe_bare(&ArgParser::argCopyright);
-    (*t)"completion-bash" = oe_bare(&ArgParser::argCompletionBash);
-    (*t)"completion-zsh" = oe_bare(&ArgParser::argCompletionZsh);
-    (*t)"json-help" = oe_bare(&ArgParser::argJsonHelp);
-
-    t = &this->main_option_table;
-    char const* yn = {"y", "n", 0};
-    (*t)"" = oe_positional(&ArgParser::argPositional);
-    (*t)"password" = oe_requiredParameter(
-        &ArgParser::argPassword, "password");
-    (*t)"empty" = oe_bare(&ArgParser::argEmpty);
-    (*t)"linearize" = oe_bare(&ArgParser::argLinearize);
-    (*t)"encrypt" = oe_bare(&ArgParser::argEncrypt);
-    (*t)"decrypt" = oe_bare(&ArgParser::argDecrypt);
-    (*t)"password-is-hex-key" = oe_bare(&ArgParser::argPasswordIsHexKey);
-    (*t)"suppress-password-recovery" =
-        oe_bare(&ArgParser::argSuppressPasswordRecovery);
-    char const* password_mode_choices =
-        {"bytes", "hex-bytes", "unicode", "auto", 0};
-    (*t)"password-mode" = oe_requiredChoices(
-        &ArgParser::argPasswordMode, password_mode_choices);
-    (*t)"copy-encryption" = oe_requiredParameter(
-        &ArgParser::argCopyEncryption, "file");
-    (*t)"encryption-file-password" = oe_requiredParameter(
-        &ArgParser::argEncryptionFilePassword, "password");
-    (*t)"pages" = oe_bare(&ArgParser::argPages);
-    (*t)"rotate" = oe_requiredParameter(
-        &ArgParser::argRotate, "+|-angle:page-range");
-    char const* stream_data_choices =
-        {"compress", "preserve", "uncompress", 0};
-    (*t)"collate" = oe_bare(&ArgParser::argCollate);
-    (*t)"stream-data" = oe_requiredChoices(
-        &ArgParser::argStreamData, stream_data_choices);
-    (*t)"compress-streams" = oe_requiredChoices(
-        &ArgParser::argCompressStreams, yn);
-    char const* decode_level_choices =
-        {"none", "generalized", "specialized", "all", 0};
-    (*t)"decode-level" = oe_requiredChoices(
-        &ArgParser::argDecodeLevel, decode_level_choices);
-    (*t)"normalize-content" = oe_requiredChoices(
-        &ArgParser::argNormalizeContent, yn);
-    (*t)"suppress-recovery" = oe_bare(&ArgParser::argSuppressRecovery);
-    char const* object_streams_choices = {
-        "disable", "preserve", "generate", 0};
-    (*t)"object-streams" = oe_requiredChoices(
-        &ArgParser::argObjectStreams, object_streams_choices);
-    (*t)"ignore-xref-streams" = oe_bare(&ArgParser::argIgnoreXrefStreams);
-    (*t)"qdf" = oe_bare(&ArgParser::argQdf);
-    (*t)"preserve-unreferenced" = oe_bare(
-        &ArgParser::argPreserveUnreferenced);
-    (*t)"preserve-unreferenced-resources" = oe_bare(
-        &ArgParser::argPreserveUnreferencedResources);
-    (*t)"keep-files-open" = oe_requiredChoices(
-        &ArgParser::argKeepFilesOpen, yn);
-    (*t)"keep-files-open-threshold" = oe_requiredParameter(
-        &ArgParser::argKeepFilesOpenThreshold, "count");
-    (*t)"newline-before-endstream" = oe_bare(
-        &ArgParser::argNewlineBeforeEndstream);
-    (*t)"linearize-pass1" = oe_requiredParameter(
-        &ArgParser::argLinearizePass1, "filename");
-    (*t)"coalesce-contents" = oe_bare(&ArgParser::argCoalesceContents);
-    char const* flatten_choices = {"all", "print", "screen", 0};
-    (*t)"flatten-annotations" = oe_requiredChoices(
-        &ArgParser::argFlattenAnnotations, flatten_choices);
-    (*t)"generate-appearances" =
-        oe_bare(&ArgParser::argGenerateAppearances);
-    (*t)"min-version" = oe_requiredParameter(
-        &ArgParser::argMinVersion, "version");
-    (*t)"force-version" = oe_requiredParameter(
-        &ArgParser::argForceVersion, "version");
-    (*t)"split-pages" = oe_optionalParameter(&ArgParser::argSplitPages);
-    (*t)"verbose" = oe_bare(&ArgParser::argVerbose);
-    (*t)"progress" = oe_bare(&ArgParser::argProgress);
-    (*t)"no-warn" = oe_bare(&ArgParser::argNoWarn);
-    (*t)"deterministic-id" = oe_bare(&ArgParser::argDeterministicId);
-    (*t)"static-id" = oe_bare(&ArgParser::argStaticId);
-    (*t)"static-aes-iv" = oe_bare(&ArgParser::argStaticAesIv);
-    (*t)"no-original-object-ids" = oe_bare(
-        &ArgParser::argNoOriginalObjectIds);
-    (*t)"show-encryption" = oe_bare(&ArgParser::argShowEncryption);
-    (*t)"show-encryption-key" = oe_bare(&ArgParser::argShowEncryptionKey);
-    (*t)"check-linearization" = oe_bare(&ArgParser::argCheckLinearization);
-    (*t)"show-linearization" = oe_bare(&ArgParser::argShowLinearization);
-    (*t)"show-xref" = oe_bare(&ArgParser::argShowXref);
-    (*t)"show-object" = oe_requiredParameter(
-        &ArgParser::argShowObject, "trailer|obj,gen");
-    (*t)"raw-stream-data" = oe_bare(&ArgParser::argRawStreamData);
-    (*t)"filtered-stream-data" = oe_bare(&ArgParser::argFilteredStreamData);
-    (*t)"show-npages" = oe_bare(&ArgParser::argShowNpages);
-    (*t)"show-pages" = oe_bare(&ArgParser::argShowPages);
-    (*t)"with-images" = oe_bare(&ArgParser::argWithImages);
-    (*t)"json" = oe_bare(&ArgParser::argJson);
-    // The list of selectable top-level keys id duplicated in three
-    // places: json_schema, do_json, and initOptionTable.
-    char const* json_key_choices = {
-        "objects", "pages", "pagelabels", "outlines", "acroform", 0};
-    (*t)"json-key" = oe_requiredChoices(
-        &ArgParser::argJsonKey, json_key_choices);
-    (*t)"json-object" = oe_requiredParameter(
-        &ArgParser::argJsonObject, "trailer|obj,gen");
-    (*t)"check" = oe_bare(&ArgParser::argCheck);
-    (*t)"optimize-images" = oe_bare(&ArgParser::argOptimizeImages);
-    (*t)"externalize-inline-images" =
-        oe_bare(&ArgParser::argExternalizeInlineImages);
-    (*t)"keep-inline-images" = oe_bare(&ArgParser::argKeepInlineImages);
-    (*t)"remove-page-labels" = oe_bare(&ArgParser::argRemovePageLabels);
-    (*t)"oi-min-width" = oe_requiredParameter(
-        &ArgParser::argOiMinWidth, "minimum-width");
-    (*t)"oi-min-height" = oe_requiredParameter(
-        &ArgParser::argOiMinHeight, "minimum-height");
-    (*t)"oi-min-area" = oe_requiredParameter(
-        &ArgParser::argOiMinArea, "minimum-area");
-    (*t)"ii-min-bytes" = oe_requiredParameter(
-        &ArgParser::argIiMinBytes, "minimum-bytes");
-    (*t)"overlay" = oe_bare(&ArgParser::argOverlay);
-    (*t)"underlay" = oe_bare(&ArgParser::argUnderlay);
-
-    t = &this->encrypt40_option_table;
-    (*t)"--" = oe_bare(&ArgParser::argEndEncrypt);
-    (*t)"print" = oe_requiredChoices(&ArgParser::arg40Print, yn);
-    (*t)"modify" = oe_requiredChoices(&ArgParser::arg40Modify, yn);
-    (*t)"extract" = oe_requiredChoices(&ArgParser::arg40Extract, yn);
-    (*t)"annotate" = oe_requiredChoices(&ArgParser::arg40Annotate, yn);
-
-    t = &this->encrypt128_option_table;
-    (*t)"--" = oe_bare(&ArgParser::argEndEncrypt);
-    (*t)"accessibility" = oe_requiredChoices(
-        &ArgParser::arg128Accessibility, yn);
-    (*t)"extract" = oe_requiredChoices(&ArgParser::arg128Extract, yn);
-    char const* print128_choices = {"full", "low", "none", 0};
-    (*t)"print" = oe_requiredChoices(
-        &ArgParser::arg128Print, print128_choices);
-    (*t)"assemble" = oe_requiredChoices(&ArgParser::arg128Assemble, yn);
-    (*t)"annotate" = oe_requiredChoices(&ArgParser::arg128Annotate, yn);
-    (*t)"form" = oe_requiredChoices(&ArgParser::arg128Form, yn);
-    (*t)"modify-other" = oe_requiredChoices(&ArgParser::arg128ModOther, yn);
-    char const* modify128_choices =
-        {"all", "annotate", "form", "assembly", "none", 0};
-    (*t)"modify" = oe_requiredChoices(
-        &ArgParser::arg128Modify, modify128_choices);
-    (*t)"cleartext-metadata" = oe_bare(&ArgParser::arg128ClearTextMetadata);
-
-    // The above 128-bit options are also 256-bit options, so copy
-    // what we have so far. Then continue separately with 128 and 256.
-    this->encrypt256_option_table = this->encrypt128_option_table;
-    (*t)"use-aes" = oe_requiredChoices(&ArgParser::arg128UseAes, yn);
-    (*t)"force-V4" = oe_bare(&ArgParser::arg128ForceV4);
-
-    t = &this->encrypt256_option_table;
-    (*t)"force-R5" = oe_bare(&ArgParser::arg256ForceR5);
-
-    t = &this->under_overlay_option_table;
-    (*t)"" = oe_positional(&ArgParser::argUOpositional);
-    (*t)"to" = oe_requiredParameter(
-        &ArgParser::argUOto, "page-range");
-    (*t)"from" = oe_requiredParameter(
-        &ArgParser::argUOfrom, "page-range");
-    (*t)"repeat" = oe_requiredParameter(
-        &ArgParser::argUOrepeat, "page-range");
-    (*t)"password" = oe_requiredParameter(
-        &ArgParser::argUOpassword, "password");
-    (*t)"--" = oe_bare(&ArgParser::argEndUnderOverlay);
-}
-
-void
-ArgParser::argPositional(char* arg)
-{
-    if (o.infilename == 0)
-    {
-        o.infilename = arg;
-    }
-    else if (o.outfilename == 0)
-    {
-        o.outfilename = arg;
-    }
-    else
-    {
-        usage(std::string("unknown argument ") + arg);
-    }
-}
-
-void
-ArgParser::argVersion()
-{
-    if (expected_version != QPDF::QPDFVersion())
-    {
-        std::cerr << "***\n"
-                  << "WARNING: qpdf CLI from version " << expected_version
-                  << " is using library version " << QPDF::QPDFVersion()
-                  << ".\n"
-                  << "This probably means you have multiple versions of qpdf installed\n"
-                  << "and don't have your library path configured correctly.\n"
-                  << "***"
-                  << std::endl;
-    }
-    std::cout
-        << whoami << " version " << QPDF::QPDFVersion() << std::endl
-        << "Run " << whoami << " --copyright to see copyright and license information."
-        << std::endl;
-}
-
-void
-ArgParser::argCopyright()
-{
-    // Make sure the output looks right on an 80-column display.
-    //               1         2         3         4         5         6         7         8
-    //      12345678901234567890123456789012345678901234567890123456789012345678901234567890
-    std::cout
-        << whoami << " version " << QPDF::QPDFVersion() << std::endl
-        << std::endl
-        << "Copyright (c) 2005-2019 Jay Berkenbilt"
-        << std::endl
-        << "QPDF is licensed under the Apache License, Version 2.0 (the \"License\");"
-        << std::endl
-        << "not use this file except in compliance with the License."
-        << std::endl
-        << "You may obtain a copy of the License at"
-        << std::endl
-        << std::endl
-        << "  http://www.apache.org/licenses/LICENSE-2.0"
-        << std::endl
-        << std::endl
-        << "Unless required by applicable law or agreed to in writing, software"
-        << std::endl
-        << "distributed under the License is distributed on an \"AS IS\" BASIS,"
-        << std::endl
-        << "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied."
-        << std::endl
-        << "See the License for the specific language governing permissions and"
-        << std::endl
-        << "limitations under the License."
-        << std::endl
-        << std::endl
-        << "Versions of qpdf prior to version 7 were released under the terms"
-        << std::endl
-        << "of version 2.0 of the Artistic License. At your option, you may"
-        << std::endl
-        << "continue to consider qpdf to be licensed under those terms. Please"
-        << std::endl
-        << "see the manual for additional information."
-        << std::endl;
-}
-
-void
-ArgParser::argHelp()
-{
-    std::cout
-        // 12345678901234567890123456789012345678901234567890123456789012345678901234567890
-        << "Usage: qpdf  options  { infilename | --empty }  outfilename \n"
-        << "\n"
-        << "An option summary appears below.  Please see the documentation for details.\n"
-        << "\n"
-        << "If @filename appears anywhere in the command-line, each line of filename\n"
-        << "will be interpreted as an argument. No interpolation is done. Line\n"
-        << "terminators are stripped. @- can be specified to read from standard input.\n"
-        << "\n"
-        << "Note that when contradictory options are provided, whichever options are\n"
-        << "provided last take precedence.\n"
-        << "\n"
-        << "\n"
-        << "Basic Options\n"
-        << "-------------\n"
-        << "\n"
-        << "--version               show version of qpdf\n"
-        << "--copyright             show qpdf's copyright and license information\n"
-        << "--help                  show command-line argument help\n"
-        << "--completion-bash       output a bash complete command you can eval\n"
-        << "--completion-zsh        output a zsh complete command you can eval\n"
-        << "--password=password     specify a password for accessing encrypted files\n"
-        << "--verbose               provide additional informational output\n"
-        << "--progress              give progress indicators while writing output\n"
-        << "--no-warn               suppress warnings\n"
-        << "--linearize             generated a linearized (web optimized) file\n"
-        << "--copy-encryption=file  copy encryption parameters from specified file\n"
-        << "--encryption-file-password=password\n"
-        << "                        password used to open the file from which encryption\n"
-        << "                        parameters are being copied\n"
-        << "--encrypt options --    generate an encrypted file\n"
-        << "--decrypt               remove any encryption on the file\n"
-        << "--password-is-hex-key   treat primary password option as a hex-encoded key\n"
-        << "--suppress-password-recovery\n"
-        << "                        do not attempt recovering from password string\n"
-        << "                        encoding errors\n"
-        << "--password-mode=mode    control qpdf's encoding of passwords\n"
-        << "--pages options --      select specific pages from one or more files\n"
-        << "--collate               causes files specified in --pages to be collated\n"
-        << "                        rather than concatenated\n"
-        << "--rotate=+|-angle:page-range\n"
-        << "                        rotate each specified page 90, 180, or 270 degrees;\n"
-        << "                        rotate all pages if no page range is given\n"
-        << "--split-pages=n       write each output page to a separate file\n"
-        << "--overlay options --    overlay pages from another file\n"
-        << "--underlay options --   underlay pages from another file\n"
-        << "\n"
-        << "Note that you can use the @filename or @- syntax for any argument at any\n"
-        << "point in the command. This provides a good way to specify a password without\n"
-        << "having to explicitly put it on the command line.\n"
-        << "\n"
-        << "If none of --copy-encryption, --encrypt or --decrypt are given, qpdf will\n"
-        << "preserve any encryption data associated with a file.\n"
-        << "\n"
-        << "Note that when copying encryption parameters from another file, all\n"
-        << "parameters will be copied, including both user and owner passwords, even\n"
-        << "if the user password is used to open the other file.  This works even if\n"
-        << "the owner password is not known.\n"
-        << "\n"
-        << "The --password-is-hex-key option overrides the normal computation of\n"
-        << "encryption keys. It only applies to the password used to open the main\n"
-        << "file. This option is not ordinarily useful but can be helpful for forensic\n"
-        << "or investigatory purposes. See manual for further discussion.\n"
-        << "\n"
-        << "The --rotate flag can be used to specify pages to rotate pages either\n"
-        << "90, 180, or 270 degrees. The page range is specified in the same\n"
-        << "format as with the --pages option, described below. Repeat the option\n"
-        << "to rotate multiple groups of pages. If the angle is preceded by + or -,\n"
-        << "it is added to or subtracted from the original rotation. Otherwise, the\n"
-        << "rotation angle is set explicitly to the given value.\n"
-        << "\n"
-        << "If --split-pages is specified, each page is written to a separate output\n"
-        << "file. File names are generated as follows:\n"
-        << "* If the string %d appears in the output file name, it is replaced with a\n"
-        << "  zero-padded page range starting from 1\n"
-        << "* Otherwise, if the output file name ends in .pdf (case insensitive), a\n"
-        << "  zero-padded page range, preceded by a dash, is inserted before the file\n"
-        << "  extension\n"
-        << "* Otherwise, the file name is appended with a zero-padded page range\n"
-        << "  preceded by a dash.\n"
-        << "Page ranges are single page numbers for single-page groups or first-last\n"
-        << "for multipage groups.\n"
-        << "\n"
-        << "\n"
-        << "Encryption Options\n"
-        << "------------------\n"
-        << "\n"
-        << "  --encrypt user-password owner-password key-length flags --\n"
-        << "\n"
-        << "Note that -- terminates parsing of encryption flags.\n"
-        << "\n"
-        << "Either or both of the user password and the owner password may be\n"
-        << "empty strings.\n"
-        << "\n"
-        << "key-length may be 40, 128, or 256\n"
-        << "\n"
-        << "Additional flags are dependent upon key length.\n"
-        << "\n"
-        << "  If 40:\n"
-        << "\n"
-        << "    --print=yn             allow printing\n"
-        << "    --modify=yn            allow document modification\n"
-        << "    --extract=yn           allow text/graphic extraction\n"
-        << "    --annotate=yn          allow comments and form fill-in and signing\n"
-        << "\n"
-        << "  If 128:\n"
-        << "\n"
-        << "    --accessibility=yn     allow accessibility to visually impaired\n"
-        << "    --extract=yn           allow other text/graphic extraction\n"
-        << "    --print=print-opt        control printing access\n"
-        << "    --assemble=yn          allow document assembly\n"
-        << "    --annotate=yn          allow commenting/filling form fields\n"
-        << "    --form=yn              allow filling form fields\n"
-        << "    --modify-other=yn      allow other modifications\n"
-        << "    --modify=modify-opt      control modify access (old way)\n"
-        << "    --cleartext-metadata     prevents encryption of metadata\n"
-        << "    --use-aes=yn           indicates whether to use AES encryption\n"
-        << "    --force-V4               forces use of V=4 encryption handler\n"
-        << "\n"
-        << "  If 256, options are the same as 128 with these exceptions:\n"
-        << "    --force-V4               this option is not available with 256-bit keys\n"
-        << "    --use-aes                this option is always on with 256-bit keys\n"
-        << "    --force-R5               forces use of deprecated R=5 encryption\n"
-        << "\n"
-        << "    print-opt may be:\n"
-        << "\n"
-        << "      full                  allow full printing\n"
-        << "      low                   allow only low-resolution printing\n"
-        << "      none                  disallow printing\n"
-        << "\n"
-        << "    modify-opt may be:\n"
-        << "\n"
-        << "      all                   allow full document modification\n"
-        << "      annotate              allow comment authoring and form operations\n"
-        << "      form                  allow form field fill-in and signing\n"
-        << "      assembly              allow document assembly only\n"
-        << "      none                  allow no modifications\n"
-        << "\n"
-        << "The default for each permission option is to be fully permissive. Please\n"
-        << "refer to the manual for more details on the modify options.\n"
-        << "\n"
-        << "Specifying cleartext-metadata forces the PDF version to at least 1.5.\n"
-        << "Specifying use of AES forces the PDF version to at least 1.6.  These\n"
-        << "options are both off by default.\n"
-        << "\n"
-        << "The --force-V4 flag forces the V=4 encryption handler introduced in PDF 1.5\n"
-        << "to be used even if not otherwise needed.  This option is primarily useful\n"
-        << "for testing qpdf and has no other practical use.\n"
-        << "\n"
-        << "\n"
-        << "Password Modes\n"
-        << "----------------------\n"
-        << "\n"
-        << "The --password-mode controls how qpdf interprets passwords supplied\n"
-        << "on the command-line. qpdf's default behavior is correct in almost all\n"
-        << "cases, but you can fine-tune with this option.\n"
-        << "\n"
-        << "  bytes: use the password literally as supplied\n"
-        << "  hex-bytes: interpret the password as a hex-encoded byte string\n"
-        << "  unicode: interpret the password as a UTF-8 encoded string\n"
-        << "  auto: attempt to infer the encoding and adjust as needed\n"
-        << "\n"
-        << "This is a complex topic. See the manual for a complete discussion.\n"
-        << "\n"
-        << "\n"
-        << "Page Selection Options\n"
-        << "----------------------\n"
-        << "\n"
-        << "These options allow pages to be selected from one or more PDF files.\n"
-        << "Whatever file is given as the primary input file is used as the\n"
-        << "starting point, but its pages are replaced with pages as specified.\n"
-        << "\n"
-        << "--keep-files-open=yn\n"
-        << "--keep-files-open-threshold=count\n"
-        << "--pages file  --password=password   page-range  ... --\n"
-        << "\n"
-        << "For each file that pages should be taken from, specify the file, a\n"
-        << "password needed to open the file (if any), and a page range.  The\n"
-        << "password needs to be given only once per file.  If any of the input\n"
-        << "files are the same as the primary input file or the file used to copy\n"
-        << "encryption parameters (if specified), you do not need to repeat the\n"
-        << "password here.  The same file can be repeated multiple times.  The\n"
-        << "filename \".\" may be used to refer to the current input file.  All\n"
-        << "non-page data (info, outlines, page numbers, etc. are taken from the\n"
-        << "primary input file.  To discard this, use --empty as the primary\n"
-        << "input.\n"
-        << "\n"
-        << "By default, when more than 200 distinct files are specified, qpdf will\n"
-        << "close each file when not being referenced. With 200 files or fewer, all\n"
-        << "files will be kept open at the same time. This behavior can be overridden\n"
-        << "by specifying --keep-files-open=yn. Closing and opening files can have\n"
-        << "very high overhead on certain file systems, especially networked file\n"
-        << "systems. The threshold of 200 can be modified with\n"
-        << "--keep-files-open-threshold\n"
-        << "\n"
-        << "The page range is a set of numbers separated by commas, ranges of\n"
-        << "numbers separated dashes, or combinations of those.  The character\n"
-        << "\"z\" represents the last page.  A number preceded by an \"r\" indicates\n"
-        << "to count from the end, so \"r3-r1\" would be the last three pages of the\n"
-        << "document.  Pages can appear in any order.  Ranges can appear with a\n"
-        << "high number followed by a low number, which causes the pages to appear in\n"
-        << "reverse.  Repeating a number will cause an error, but the manual discusses\n"
-        << "a workaround should you really want to include the same page twice.\n"
-        << "\n"
-        << "If the page range is omitted, the range of 1-z is assumed.  qpdf decides\n"
-        << "that the page range is omitted if the range argument is either -- or a\n"
-        << "valid file name and not a valid range.\n"
-        << "\n"
-        << "The usual behavior of --pages is to add all pages from the first file,\n"
-        << "then all pages from the second file, and so on. If the --collate option\n"
-        << "is specified, then pages are collated instead. In other words, qpdf takes\n"
-        << "the first page from the first file, the first page from the second file,\n"
-        << "and so on until it runs out of files; then it takes the second page from\n"
-        << "each file, etc. When a file runs out of pages, it is skipped until all\n"
-        << "specified pages are taken from all files.\n"
-        << "\n"
-        << "See the manual for examples and a discussion of additional subtleties.\n"
-        << "\n"
-        << "\n"
-        << "Overlay and Underlay Options\n"
-        << "-------------------------------\n"
-        << "\n"
-        << "These options allow pages from another file to be overlaid or underlaid\n"
-        << "on the primary output. Overlaid pages are drawn on top of the destination\n"
-        << "page and may obscure the page. Underlaid pages are drawn below the\n"
-        << "destination page.\n"
-        << "\n"
-        << "{--overlay | --underlay } file\n"
-        "       --password=password \n"
-        "       --to=page-range \n"
-        "       --from=page-range \n"
-        "       --repeat=page-range \n"
-        "      --\n"
-        << "\n"
-        << "For overlay and underlay, a file and optional password are specified, along\n"
-        << "with a series of optional page ranges. The default behavior is that each\n"
-        << "page of the overlay or underlay file is imposed on the corresponding page\n"
-        << "of the primary output until it runs out of pages, and any extra pages are\n"
-        << "ignored. The page range options all take page ranges in the same form as\n"
-        << "the --pages option. They have the following meanings:\n"
-        << "\n"
-        << "  --to:     the pages in the primary output to which overlay/underlay is\n"
-        << "            applied\n"
-        << "  --from:   the pages from the overlay/underlay file that are used\n"
-        << "  --repeat: pages from the overlay/underlay that are repeated after\n"
-        << "            any \"from\" pages have been exhausted\n"
-        << "\n"
-        << "\n"
-        << "Advanced Parsing Options\n"
-        << "-------------------------------\n"
-        << "\n"
-        << "These options control aspects of how qpdf reads PDF files. Mostly these are\n"
-        << "of use to people who are working with damaged files. There is little reason\n"
-        << "to use these options unless you are trying to solve specific problems.\n"
-        << "\n"
-        << "--suppress-recovery       prevents qpdf from attempting to recover damaged files\n"
-        << "--ignore-xref-streams     tells qpdf to ignore any cross-reference streams\n"
-        << "\n"
-        << "\n"
-        << "Advanced Transformation Options\n"
-        << "-------------------------------\n"
-        << "\n"
-        << "These transformation options control fine points of how qpdf creates\n"
-        << "the output file.  Mostly these are of use only to people who are very\n"
-        << "familiar with the PDF file format or who are PDF developers.\n"
-        << "\n"
-        << "--stream-data=option      controls transformation of stream data (below)\n"
-        << "--compress-streams=yn   controls whether to compress streams on output\n"
-        << "--decode-level=option     controls how to filter streams from the input\n"
-        << "--normalize-content=yn  enables or disables normalization of content streams\n"
-        << "--object-streams=mode     controls handing of object streams\n"
-        << "--preserve-unreferenced   preserve unreferenced objects\n"
-        << "--preserve-unreferenced-resources\n"
-        << "                          preserve unreferenced page resources\n"
-        << "--newline-before-endstream  always put a newline before endstream\n"
-        << "--coalesce-contents       force all pages' content to be a single stream\n"
-        << "--flatten-annotations=option\n"
-        << "                          incorporate rendering of annotations into page\n"
-        << "                          contents including those for interactive form\n"
-        << "                          fields; may also want --generate-appearances\n"
-        << "--generate-appearances    generate appearance streams for form fields\n"
-        << "--optimize-images         compress images with DCT (JPEG) when advantageous\n"
-        << "--oi-min-width=w          do not optimize images whose width is below w;\n"
-        << "                          default is 128. Use 0 to mean no minimum\n"
-        << "--oi-min-height=h         do not optimize images whose height is below h\n"
-        << "                          default is 128. Use 0 to mean no minimum\n"
-        << "--oi-min-area=a           do not optimize images whose pixel count is below a\n"
-        << "                          default is 16,384. Use 0 to mean no minimum\n"
-        << "--externalize-inline-images  convert inline images to regular images; by\n"
-        << "                          default, images of at least 1,024 bytes are\n"
-        << "                          externalized\n"
-        << "--ii-min-bytes=bytes      specify minimum size of inline images to be\n"
-        << "                          converted to regular images\n"
-        << "--keep-inline-images      exclude inline images from image optimization\n"
-        << "--remove-page-labels      remove any page labels present in the output file\n"
-        << "--qdf                     turns on \"QDF mode\" (below)\n"
-        << "--linearize-pass1=file    write intermediate pass of linearized file\n"
-        << "                          for debugging\n"
-        << "--min-version=version     sets the minimum PDF version of the output file\n"
-        << "--force-version=version   forces this to be the PDF version of the output file\n"
-        << "\n"
-        << "Options for --flatten-annotations are all, print, or screen. If the option\n"
-        << "is print, only annotations marked as print are included. If the option is\n"
-        << "screen, options marked as \"no view\" are excluded. Otherwise, annotations\n"
-        << "are flattened regardless of the presence of print or NoView flags. It is\n"
-        << "common for PDF files to have a flag set that appearance streams need to be\n"
-        << "regenerated. This happens when someone changes a form value with software\n"
-        << "that does not know how to render the new value. qpdf will not flatten form\n"
-        << "fields in files like this. If you get this warning, you have two choices:\n"
-        << "either use qpdf's --generate-appearances flag to tell qpdf to go ahead and\n"
-        << "regenerate appearances, or use some other tool to generate the appearances.\n"
-        << "qpdf does a pretty good job with most forms when only ASCII and \"Windows\n"
-        << "ANSI\" characters are used in form field values, but if your form fields\n"
-        << "contain other characters, rich text, or are other than left justified, you\n"
-        << "will get better results first saving with other software.\n"
-        << "\n"
-        << "Version numbers may be expressed as major.minor.extension-level, so 1.7.3\n"
-        << "means PDF version 1.7 at extension level 3.\n"
-        << "\n"
-        << "Values for stream data options:\n"
-        << "\n"
-        << "  compress              recompress stream data when possible (default)\n"
-        << "  preserve              leave all stream data as is\n"
-        << "  uncompress            uncompress stream data when possible\n"
-        << "\n"
-        << "Values for object stream mode:\n"
-        << "\n"
-        << "  preserve                  preserve original object streams (default)\n"
-        << "  disable                   don't write any object streams\n"
-        << "  generate                  use object streams wherever possible\n"
-        << "\n"
-        << "When --compress-streams=n is specified, this overrides the default behavior\n"
-        << "of qpdf, which is to attempt compress uncompressed streams. Setting\n"
-        << "stream data mode to uncompress or preserve has the same effect.\n"
-        << "\n"
-        << "The --decode-level parameter may be set to one of the following values:\n"
-        << "  none              do not decode streams\n"
-        << "  generalized       decode streams compressed with generalized filters\n"
-        << "                    including LZW, Flate, and the ASCII encoding filters.\n"
-        << "  specialized       additionally decode streams with non-lossy specialized\n"
-        << "                    filters including RunLength\n"
-        << "  all               additionally decode streams with lossy filters\n"
-        << "                    including DCT (JPEG)\n"
-        << "\n"
-        << "In qdf mode, by default, content normalization is turned on, and the\n"
-        << "stream data mode is set to uncompress. QDF mode does not support\n"
-        << "linearized files. The --linearize flag disables qdf mode.\n"
-        << "\n"
-        << "Setting the minimum PDF version of the output file may raise the version\n"
-        << "but will never lower it.  Forcing the PDF version of the output file may\n"
-        << "set the PDF version to a lower value than actually allowed by the file's\n"
-        << "contents.  You should only do this if you have no other possible way to\n"
-        << "open the file or if you know that the file definitely doesn't include\n"
-        << "features not supported later versions.\n"
-        << "\n"
-        << "Testing, Inspection, and Debugging Options\n"
-        << "------------------------------------------\n"
-        << "\n"
-        << "These options can be useful for digging into PDF files or for use in\n"
-        << "automated test suites for software that uses the qpdf library.\n"
-        << "\n"
-        << "--deterministic-id        generate deterministic /ID\n"
-        << "--static-id               generate static /ID: FOR TESTING ONLY!\n"
-        << "--static-aes-iv           use a static initialization vector for AES-CBC\n"
-        << "                          This is option is not secure!  FOR TESTING ONLY!\n"
-        << "--no-original-object-ids  suppress original object ID comments in qdf mode\n"
-        << "--show-encryption         quickly show encryption parameters\n"
-        << "--show-encryption-key     when showing encryption, reveal the actual key\n"
-        << "--check-linearization     check file integrity and linearization status\n"
-        << "--show-linearization      check and show all linearization data\n"
-        << "--show-xref               show the contents of the cross-reference table\n"
-        << "--show-object=trailer|obj,gen\n"
-        << "                          show the contents of the given object\n"
-        << "  --raw-stream-data       show raw stream data instead of object contents\n"
-        << "  --filtered-stream-data  show filtered stream data instead of object contents\n"
-        << "--show-npages             print the number of pages in the file\n"
-        << "--show-pages              shows the object/generation number for each page\n"
-        << "  --with-images           also shows the object IDs for images on each page\n"
-        << "--check                   check file structure + encryption, linearization\n"
-        << "--json                    generate a json representation of the file\n"
-        << "--json-help               describe the format of the json representation\n"
-        << "--json-key=key            repeatable; prune json structure to include only\n"
-        << "                          specified keys. If absent, all keys are shown\n"
-        << "--json-object=trailer|obj,gen\n"
-        << "                          repeatable; include only specified objects in the\n"
-        << "                          \"objects\" section of the json. If absent, all\n"
-        << "                          objects are shown\n"
-        << "\n"
-        << "The json representation generated by qpdf is designed to facilitate\n"
-        << "processing of qpdf from other programming languages that have a hard\n"
-        << "time calling C++ APIs. Run qpdf --json-help for details on the format.\n"
-        << "The manual has more in-depth information about the json representation\n"
-        << "and certain compatibility guarantees that qpdf provides.\n"
-        << "\n"
-        << "The --raw-stream-data and --filtered-stream-data options are ignored\n"
-        << "unless --show-object is given.  Either of these options will cause the\n"
-        << "stream data to be written to standard output.\n"
-        << "\n"
-        << "If --filtered-stream-data is given and --normalize-content=y is also\n"
-        << "given, qpdf will attempt to normalize the stream data as if it is a\n"
-        << "page content stream.  This attempt will be made even if it is not a\n"
-        << "page content stream, in which case it will produce unusable results.\n"
-        << "\n"
-        << "Ordinarily, qpdf exits with a status of 0 on success or a status of 2\n"
-        << "if any errors occurred.  If there were warnings but not errors, qpdf\n"
-        << "exits with a status of 3. If warnings would have been issued but --no-warn\n"
-        << "was given, an exit status of 3 is still used.\n";
-}
-
-void
-ArgParser::argCompletionBash()
-{
-    std::cout << "complete -o bashdefault -o default -o nospace"
-              << " -C " << argv0 << " " << whoami << std::endl;
-    // Put output before error so calling from zsh works properly
-    std::string path = argv0;
-    size_t slash = path.find('/');
-    if ((slash != 0) && (slash != std::string::npos))
-    {
-        std::cerr << "WARNING: qpdf completion enabled"
-                  << " using relative path to qpdf" << std::endl;
-    }
-}
-
-void
-ArgParser::argCompletionZsh()
-{
-    std::cout << "autoload -U +X bashcompinit && bashcompinit && ";
-    argCompletionBash();
-}
-void
-ArgParser::argJsonHelp()
-{
-    // Make sure the output looks right on an 80-column display.
-    //               1         2         3         4         5         6         7         8
-    //      12345678901234567890123456789012345678901234567890123456789012345678901234567890
-    std::cout
-        << "The json block below contains the same structure with the same keys as the"
-        << std::endl
-        << "json generated by qpdf. In the block below, the values are descriptions of"
-        << std::endl
-        << "the meanings of those entries. The specific contract guaranteed by qpdf in"
-        << std::endl
-        << "its json representation is explained in more detail in the manual. You can"
-        << std::endl
-        << "specify a subset of top-level keys when you invoke qpdf, but the \"version\""
-        << std::endl
-        << "and \"parameters\" keys will always be present."
-        << std::endl
-        << std::endl
-        << json_schema().unparse()
-        << std::endl;
-}
-
-void
-ArgParser::argPassword(char* parameter)
-{
-    o.password = parameter;
-}
-
-void
-ArgParser::argEmpty()
-{
-    o.infilename = "";
-}
-
-void
-ArgParser::argLinearize()
-{
-    o.linearize = true;
-}
-
-void
-ArgParser::argEncrypt()
-{
-    ++cur_arg;
-    if (cur_arg + 3 > argc)
-    {
-        if (this->bash_completion)
-        {
-            if (cur_arg == argc)
-            {
-                this->completions.insert("user-password");
-            }
-            else if (cur_arg + 1 == argc)
-            {
-                this->completions.insert("owner-password");
-            }
-            else if (cur_arg + 2 == argc)
-            {
-                this->completions.insert("40");
-                this->completions.insert("128");
-                this->completions.insert("256");
-            }
-            return;
-        }
-        else
-        {
-            usage("insufficient arguments to --encrypt");
-        }
-    }
-    o.user_password = argvcur_arg++;
-    o.owner_password = argvcur_arg++;
-    std::string len_str = argvcur_arg;
-    if (len_str == "40")
-    {
-	o.keylen = 40;
-        this->option_table = &(this->encrypt40_option_table);
-    }
-    else if (len_str == "128")
-    {
-	o.keylen = 128;
-        this->option_table = &(this->encrypt128_option_table);
-    }
-    else if (len_str == "256")
-    {
-	o.keylen = 256;
-        o.use_aes = true;
-        this->option_table = &(this->encrypt256_option_table);
-    }
-    else
-    {
-	usage("encryption key length must be 40, 128, or 256");
-    }
-}
-
-void
-ArgParser::argDecrypt()
-{
-    o.decrypt = true;
-    o.encrypt = false;
-    o.copy_encryption = false;
-}
-
-void
-ArgParser::argPasswordIsHexKey()
-{
-    o.password_is_hex_key = true;
-}
-
-void
-ArgParser::argSuppressPasswordRecovery()
-{
-    o.suppress_password_recovery = true;
-}
-
-void
-ArgParser::argPasswordMode(char* parameter)
-{
-    if (strcmp(parameter, "bytes") == 0)
-    {
-        o.password_mode = pm_bytes;
-    }
-    else if (strcmp(parameter, "hex-bytes") == 0)
-    {
-        o.password_mode = pm_hex_bytes;
-    }
-    else if (strcmp(parameter, "unicode") == 0)
-    {
-        o.password_mode = pm_unicode;
-    }
-    else if (strcmp(parameter, "auto") == 0)
-    {
-        o.password_mode = pm_auto;
-    }
-    else
-    {
-        usage("invalid password-mode option");
-    }
-}
-
-void
-ArgParser::argCopyEncryption(char* parameter)
-{
-    o.encryption_file = parameter;
-    o.copy_encryption = true;
-    o.encrypt = false;
-    o.decrypt = false;
-}
-
-void
-ArgParser::argEncryptionFilePassword(char* parameter)
-{
-    o.encryption_file_password = parameter;
-}
-
-void
-ArgParser::argCollate()
-{
-    o.collate = true;
-}
-
-void
-ArgParser::argPages()
-{
-    ++cur_arg;
-    o.page_specs = parsePagesOptions();
-    if (o.page_specs.empty())
-    {
-        usage("--pages: no page specifications given");
-    }
-}
-
-void
-ArgParser::argUnderlay()
-{
-    parseUnderOverlayOptions(&o.underlay);
-}
-
-void
-ArgParser::argOverlay()
-{
-    parseUnderOverlayOptions(&o.overlay);
-}
-
-void
-ArgParser::argRotate(char* parameter)
-{
-    parseRotationParameter(parameter);
-}
-
-void
-ArgParser::argStreamData(char* parameter)
-{
-    o.stream_data_set = true;
-    if (strcmp(parameter, "compress") == 0)
-    {
-        o.stream_data_mode = qpdf_s_compress;
-    }
-    else if (strcmp(parameter, "preserve") == 0)
-    {
-        o.stream_data_mode = qpdf_s_preserve;
-    }
-    else if (strcmp(parameter, "uncompress") == 0)
-    {
-        o.stream_data_mode = qpdf_s_uncompress;
-    }
-    else
-    {
-        // If this happens, it means streamDataChoices in
-        // ArgParser::initOptionTable is wrong.
-        usage("invalid stream-data option");
-    }
-}
-
-void
-ArgParser::argCompressStreams(char* parameter)
-{
-    o.compress_streams_set = true;
-    o.compress_streams = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::argDecodeLevel(char* parameter)
-{
-    o.decode_level_set = true;
-    if (strcmp(parameter, "none") == 0)
-    {
-        o.decode_level = qpdf_dl_none;
-    }
-    else if (strcmp(parameter, "generalized") == 0)
-    {
-        o.decode_level = qpdf_dl_generalized;
-    }
-    else if (strcmp(parameter, "specialized") == 0)
-    {
-        o.decode_level = qpdf_dl_specialized;
-    }
-    else if (strcmp(parameter, "all") == 0)
-    {
-        o.decode_level = qpdf_dl_all;
-    }
-    else
-    {
-        // If this happens, it means decodeLevelChoices in
-        // ArgParser::initOptionTable is wrong.
-        usage("invalid option");
-    }
-}
-
-void
-ArgParser::argNormalizeContent(char* parameter)
-{
-    o.normalize_set = true;
-    o.normalize = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::argSuppressRecovery()
-{
-    o.suppress_recovery = true;
-}
-
-void
-ArgParser::argObjectStreams(char* parameter)
-{
-    o.object_stream_set = true;
-    if (strcmp(parameter, "disable") == 0)
-    {
-        o.object_stream_mode = qpdf_o_disable;
-    }
-    else if (strcmp(parameter, "preserve") == 0)
-    {
-        o.object_stream_mode = qpdf_o_preserve;
-    }
-    else if (strcmp(parameter, "generate") == 0)
-    {
-        o.object_stream_mode = qpdf_o_generate;
-    }
-    else
-    {
-        // If this happens, it means objectStreamsChoices in
-        // ArgParser::initOptionTable is wrong.
-        usage("invalid object stream mode");
-    }
-}
-
-void
-ArgParser::argIgnoreXrefStreams()
-{
-    o.ignore_xref_streams = true;
-}
-
-void
-ArgParser::argQdf()
-{
-    o.qdf_mode = true;
-}
-
-void
-ArgParser::argPreserveUnreferenced()
-{
-    o.preserve_unreferenced_objects = true;
-}
-
-void
-ArgParser::argPreserveUnreferencedResources()
-{
-    o.preserve_unreferenced_page_resources = true;
-}
-
-void
-ArgParser::argKeepFilesOpen(char* parameter)
-{
-    o.keep_files_open_set = true;
-    o.keep_files_open = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::argKeepFilesOpenThreshold(char* parameter)
-{
-    o.keep_files_open_threshold =
-        static_cast<size_t>(QUtil::string_to_int(parameter));
-}
-
-void
-ArgParser::argNewlineBeforeEndstream()
-{
-    o.newline_before_endstream = true;
-}
-
-void
-ArgParser::argLinearizePass1(char* parameter)
-{
-    o.linearize_pass1 = parameter;
-}
-
-void
-ArgParser::argCoalesceContents()
-{
-    o.coalesce_contents = true;
-}
-
-void
-ArgParser::argFlattenAnnotations(char* parameter)
-{
-    o.flatten_annotations = true;
-    if (strcmp(parameter, "screen") == 0)
-    {
-        o.flatten_annotations_forbidden |= an_no_view;
-    }
-    else if (strcmp(parameter, "print") == 0)
-    {
-        o.flatten_annotations_required |= an_print;
-    }
-}
-
-void
-ArgParser::argGenerateAppearances()
-{
-    o.generate_appearances = true;
-}
-
-void
-ArgParser::argMinVersion(char* parameter)
-{
-    o.min_version = parameter;
-}
-
-void
-ArgParser::argForceVersion(char* parameter)
-{
-    o.force_version = parameter;
-}
-
-void
-ArgParser::argSplitPages(char* parameter)
-{
-    int n = ((parameter == 0) ? 1 :
-             QUtil::string_to_int(parameter));
-    o.split_pages = n;
-}
-
-void
-ArgParser::argVerbose()
-{
-    o.verbose = true;
-}
-
-void
-ArgParser::argProgress()
-{
-    o.progress = true;
-}
-
-void
-ArgParser::argNoWarn()
-{
-    o.suppress_warnings = true;
-}
-
-void
-ArgParser::argDeterministicId()
-{
-    o.deterministic_id = true;
-}
-
-void
-ArgParser::argStaticId()
-{
-    o.static_id = true;
-}
-
-void
-ArgParser::argStaticAesIv()
-{
-    o.static_aes_iv = true;
-}
-
-void
-ArgParser::argNoOriginalObjectIds()
-{
-    o.suppress_original_object_id = true;
-}
-
-void
-ArgParser::argShowEncryption()
-{
-    o.show_encryption = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argShowEncryptionKey()
-{
-    o.show_encryption_key = true;
-}
-
-void
-ArgParser::argCheckLinearization()
-{
-    o.check_linearization = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argShowLinearization()
-{
-    o.show_linearization = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argShowXref()
-{
-    o.show_xref = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argShowObject(char* parameter)
-{
-    parse_object_id(parameter, o.show_trailer, o.show_obj, o.show_gen);
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argRawStreamData()
-{
-    o.show_raw_stream_data = true;
-}
-
-void
-ArgParser::argFilteredStreamData()
-{
-    o.show_filtered_stream_data = true;
-}
-
-void
-ArgParser::argShowNpages()
-{
-    o.show_npages = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argShowPages()
-{
-    o.show_pages = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argWithImages()
-{
-    o.show_page_images = true;
-}
-
-void
-ArgParser::argJson()
-{
-    o.json = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argJsonKey(char* parameter)
-{
-    o.json_keys.insert(parameter);
-}
-
-void
-ArgParser::argJsonObject(char* parameter)
-{
-    o.json_objects.insert(parameter);
-}
-
-void
-ArgParser::argCheck()
-{
-    o.check = true;
-    o.require_outfile = false;
-}
-
-void
-ArgParser::argOptimizeImages()
-{
-    o.optimize_images = true;
-}
-
-void
-ArgParser::argExternalizeInlineImages()
-{
-    o.externalize_inline_images = true;
-}
-
-void
-ArgParser::argKeepInlineImages()
-{
-    o.keep_inline_images = true;
-}
-
-void
-ArgParser::argRemovePageLabels()
-{
-    o.remove_page_labels = true;
-}
-
-void
-ArgParser::argOiMinWidth(char* parameter)
-{
-    o.oi_min_width = QUtil::string_to_int(parameter);
-}
-
-void
-ArgParser::argOiMinHeight(char* parameter)
-{
-    o.oi_min_height = QUtil::string_to_int(parameter);
-}
-
-void
-ArgParser::argOiMinArea(char* parameter)
-{
-    o.oi_min_area = QUtil::string_to_int(parameter);
-}
-
-void
-ArgParser::argIiMinBytes(char* parameter)
-{
-    o.ii_min_bytes = QUtil::string_to_int(parameter);
-}
-
-void
-ArgParser::arg40Print(char* parameter)
-{
-    o.r2_print = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg40Modify(char* parameter)
-{
-    o.r2_modify = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg40Extract(char* parameter)
-{
-    o.r2_extract = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg40Annotate(char* parameter)
-{
-    o.r2_annotate = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg128Accessibility(char* parameter)
+static void
+usageExit(std::string const& msg)
 {
-    o.r3_accessibility = (strcmp(parameter, "y") == 0);
+    std::cerr << std::endl
+              << whoami << ": " << msg << std::endl
+              << std::endl
+              << "For help:" << std::endl
+              << "  " << whoami << " --help=usage       usage information"
+              << std::endl
+              << "  " << whoami << " --help=topic       help on a topic"
+              << std::endl
+              << "  " << whoami << " --help=--option    help on an option"
+              << std::endl
+              << "  " << whoami
+              << " --help             general help and a topic list"
+              << std::endl
+              << std::endl;
+    exit(QPDFJob::EXIT_ERROR);
 }
 
-void
-ArgParser::arg128Extract(char* parameter)
-{
-    o.r3_extract = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg128Print(char* parameter)
-{
-    if (strcmp(parameter, "full") == 0)
-    {
-        o.r3_print = qpdf_r3p_full;
-    }
-    else if (strcmp(parameter, "low") == 0)
-    {
-        o.r3_print = qpdf_r3p_low;
-    }
-    else if (strcmp(parameter, "none") == 0)
-    {
-        o.r3_print = qpdf_r3p_none;
-    }
-    else
-    {
-        usage("invalid print option");
-    }
-}
-
-void
-ArgParser::arg128Modify(char* parameter)
-{
-    if (strcmp(parameter, "all") == 0)
-    {
-        o.r3_assemble = true;
-        o.r3_annotate_and_form = true;
-        o.r3_form_filling = true;
-        o.r3_modify_other = true;
-    }
-    else if (strcmp(parameter, "annotate") == 0)
-    {
-        o.r3_assemble = true;
-        o.r3_annotate_and_form = true;
-        o.r3_form_filling = true;
-        o.r3_modify_other = false;
-    }
-    else if (strcmp(parameter, "form") == 0)
-    {
-        o.r3_assemble = true;
-        o.r3_annotate_and_form = false;
-        o.r3_form_filling = true;
-        o.r3_modify_other = false;
-    }
-    else if (strcmp(parameter, "assembly") == 0)
-    {
-        o.r3_assemble = true;
-        o.r3_annotate_and_form = false;
-        o.r3_form_filling = false;
-        o.r3_modify_other = false;
-    }
-    else if (strcmp(parameter, "none") == 0)
-    {
-        o.r3_assemble = false;
-        o.r3_annotate_and_form = false;
-        o.r3_form_filling = false;
-        o.r3_modify_other = false;
-    }
-    else
-    {
-        usage("invalid modify option");
-    }
-}
-
-void
-ArgParser::arg128ClearTextMetadata()
-{
-    o.cleartext_metadata = true;
-}
-
-void
-ArgParser::arg128Assemble(char* parameter)
-{
-    o.r3_assemble = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg128Annotate(char* parameter)
-{
-    o.r3_annotate_and_form = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg128Form(char* parameter)
-{
-    o.r3_form_filling = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg128ModOther(char* parameter)
-{
-    o.r3_modify_other = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg128UseAes(char* parameter)
-{
-    o.use_aes = (strcmp(parameter, "y") == 0);
-}
-
-void
-ArgParser::arg128ForceV4()
-{
-    o.force_V4 = true;
-}
-
-void
-ArgParser::arg256ForceR5()
-{
-    o.force_R5 = true;
-}
-
-void
-ArgParser::argEndEncrypt()
-{
-    o.encrypt = true;
-    o.decrypt = false;
-    o.copy_encryption = false;
-    this->option_table = &(this->main_option_table);
-}
-
-void
-ArgParser::argUOpositional(char* arg)
-{
-    if (o.under_overlay->filename)
-    {
-        usage(o.under_overlay->which + " file already specified");
-    }
-    else
-    {
-        o.under_overlay->filename = arg;
-    }
-}
-
-void
-ArgParser::argUOto(char* parameter)
-{
-    parseNumrange(parameter, 0);
-    o.under_overlay->to_nr = parameter;
-}
-
-void
-ArgParser::argUOfrom(char* parameter)
-{
-    if (strlen(parameter))
-    {
-        parseNumrange(parameter, 0);
-    }
-    o.under_overlay->from_nr = parameter;
-}
-
-void
-ArgParser::argUOrepeat(char* parameter)
-{
-    if (strlen(parameter))
-    {
-        parseNumrange(parameter, 0);
-    }
-    o.under_overlay->repeat_nr = parameter;
-}
-
-void
-ArgParser::argUOpassword(char* parameter)
-{
-    o.under_overlay->password = parameter;
-}
-
-void
-ArgParser::argEndUnderOverlay()
-{
-    this->option_table = &(this->main_option_table);
-    if (0 == o.under_overlay->filename)
-    {
-        usage(o.under_overlay->which + " file not specified");
-    }
-    o.under_overlay = 0;
-}
-
-void
-ArgParser::handleArgFileArguments()
-{
-    // Support reading arguments from files. Create a new argv. Ensure
-    // that argv itself as well as all its contents are automatically
-    // deleted by using PointerHolder objects to back the pointers in
-    // argv.
-    new_argv.push_back(PointerHolder<char>(true, QUtil::copy_string(argv0)));
-    for (int i = 1; i < argc; ++i)
-    {
-        char* argfile = 0;
-        if ((strlen(argvi) > 1) && (argvi0 == '@'))
-        {
-            try
-            {
-                argfile = 1 + argvi;
-                if (strcmp(argfile, "-") != 0)
-                {
-                    fclose(QUtil::safe_fopen(argfile, "rb"));
-                }
-            }
-            catch (std::runtime_error&)
-            {
-                // The file's not there; treating as regular option
-                argfile = 0;
-            }
-        }
-        if (argfile)
-        {
-            readArgsFromFile(1+argvi);
-        }
-        else
-        {
-            new_argv.push_back(
-                PointerHolder<char>(true, QUtil::copy_string(argvi)));
-        }
-    }
-    argv_ph = PointerHolder<char*>(true, new char*1+new_argv.size());
-    argv = argv_ph.getPointer();
-    for (size_t i = 0; i < new_argv.size(); ++i)
-    {
-        argvi = new_argv.at(i).getPointer();
-    }
-    argc = static_cast<int>(new_argv.size());
-    argvargc = 0;
-}
-
-void
-ArgParser::handleBashArguments()
-{
-    // Do a minimal job of parsing bash_line into arguments. This
-    // doesn't do everything the shell does (e.g. $(...), variable
-    // expansion, arithmetic, globs, etc.), but it should be good
-    // enough for purposes of handling completion. As we build up the
-    // new argv, we can't use this->new_argv because this code has to
-    // interoperate with @file arguments, so memory for both ways of
-    // fabricating argv has to be protected.
-
-    bool last_was_backslash = false;
-    enum { st_top, st_squote, st_dquote } state = st_top;
-    std::string arg;
-    for (std::string::iterator iter = bash_line.begin();
-         iter != bash_line.end(); ++iter)
-    {
-        char ch = (*iter);
-        if (last_was_backslash)
-        {
-            arg.append(1, ch);
-            last_was_backslash = false;
-        }
-        else if (ch == '\\')
-        {
-            last_was_backslash = true;
-        }
-        else
-        {
-            bool append = false;
-            switch (state)
-            {
-              case st_top:
-                if (QUtil::is_space(ch))
-                {
-                    if (! arg.empty())
-                    {
-                        bash_argv.push_back(
-                            PointerHolder<char>(
-                                true, QUtil::copy_string(arg.c_str())));
-                        arg.clear();
-                    }
-                }
-                else if (ch == '"')
-                {
-                    state = st_dquote;
-                }
-                else if (ch == '\'')
-                {
-                    state = st_squote;
-                }
-                else
-                {
-                    append = true;
-                }
-                break;
-
-              case st_squote:
-                if (ch == '\'')
-                {
-                    state = st_top;
-                }
-                else
-                {
-                    append = true;
-                }
-                break;
-
-              case st_dquote:
-                if (ch == '"')
-                {
-                    state = st_top;
-                }
-                else
-                {
-                    append = true;
-                }
-                break;
-            }
-            if (append)
-            {
-                arg.append(1, ch);
-            }
-        }
-    }
-    if (bash_argv.empty())
-    {
-        // This can't happen if properly invoked by bash, but ensure
-        // we have a valid argv0 regardless.
-        bash_argv.push_back(
-            PointerHolder<char>(
-                true, QUtil::copy_string(argv0)));
-    }
-    // Explicitly discard any non-space-terminated word. The "current
-    // word" is handled specially.
-    bash_argv_ph = PointerHolder<char*>(true, new char*1+bash_argv.size());
-    argv = bash_argv_ph.getPointer();
-    for (size_t i = 0; i < bash_argv.size(); ++i)
-    {
-        argvi = bash_argv.at(i).getPointer();
-    }
-    argc = static_cast<int>(bash_argv.size());
-    argvargc = 0;
-}
-
-void usageExit(std::string const& msg)
-{
-    std::cerr
-	<< std::endl
-	<< whoami << ": " << msg << std::endl
-	<< std::endl
-	<< "Usage: " << whoami << " options infile outfile" << std::endl
-	<< "For detailed help, run " << whoami << " --help" << std::endl
-	<< std::endl;
-    exit(EXIT_ERROR);
-}
-
-void
-ArgParser::usage(std::string const& message)
-{
-    if (this->bash_completion)
-    {
-        // This will cause bash to fall back to regular file completion.
-        exit(0);
-    }
-    else
-    {
-        usageExit(message);
-    }
-}
-
-static std::string show_bool(bool v)
-{
-    return v ? "allowed" : "not allowed";
-}
-
-static std::string show_encryption_method(QPDF::encryption_method_e method)
-{
-    std::string result = "unknown";
-    switch (method)
-    {
-      case QPDF::e_none:
-        result = "none";
-        break;
-      case QPDF::e_unknown:
-        result = "unknown";
-        break;
-      case QPDF::e_rc4:
-        result = "RC4";
-        break;
-      case QPDF::e_aes:
-        result = "AESv2";
-        break;
-      case QPDF::e_aesv3:
-        result = "AESv3";
-        break;
-        // no default so gcc will warn for missing case
-    }
-    return result;
-}
-
-static void show_encryption(QPDF& pdf, Options& o)
-{
-    // Extract /P from /Encrypt
-    int R = 0;
-    int P = 0;
-    int V = 0;
-    QPDF::encryption_method_e stream_method = QPDF::e_unknown;
-    QPDF::encryption_method_e string_method = QPDF::e_unknown;
-    QPDF::encryption_method_e file_method = QPDF::e_unknown;
-    if (! pdf.isEncrypted(R, P, V,
-                          stream_method, string_method, file_method))
-    {
-	std::cout << "File is not encrypted" << std::endl;
-    }
-    else
-    {
-	std::cout << "R = " << R << std::endl;
-	std::cout << "P = " << P << std::endl;
-	std::string user_password = pdf.getTrimmedUserPassword();
-        std::string encryption_key = pdf.getEncryptionKey();
-	std::cout << "User password = " << user_password << std::endl;
-        if (o.show_encryption_key)
-        {
-            std::cout << "Encryption key = "
-                      << QUtil::hex_encode(encryption_key) << std::endl;
-        }
-        std::cout << "extract for accessibility: "
-		  << show_bool(pdf.allowAccessibility()) << std::endl
-                  << "extract for any purpose: "
-		  << show_bool(pdf.allowExtractAll()) << std::endl
-                  << "print low resolution: "
-		  << show_bool(pdf.allowPrintLowRes()) << std::endl
-                  << "print high resolution: "
-		  << show_bool(pdf.allowPrintHighRes()) << std::endl
-                  << "modify document assembly: "
-		  << show_bool(pdf.allowModifyAssembly()) << std::endl
-                  << "modify forms: "
-		  << show_bool(pdf.allowModifyForm()) << std::endl
-                  << "modify annotations: "
-		  << show_bool(pdf.allowModifyAnnotation()) << std::endl
-                  << "modify other: "
-		  << show_bool(pdf.allowModifyOther()) << std::endl
-                  << "modify anything: "
-		  << show_bool(pdf.allowModifyAll()) << std::endl;
-        if (V >= 4)
-        {
-            std::cout << "stream encryption method: "
-                      << show_encryption_method(stream_method) << std::endl
-                      << "string encryption method: "
-                      << show_encryption_method(string_method) << std::endl
-                      << "file encryption method: "
-                      << show_encryption_method(file_method) << std::endl;
-        }
-    }
-}
-
-std::vector<int>
-ArgParser::parseNumrange(char const* range, int max, bool throw_error)
-{
-    try
-    {
-        return QUtil::parse_numrange(range, max);
-    }
-    catch (std::runtime_error& e)
-    {
-        if (throw_error)
-        {
-            throw(e);
-        }
-        else
-        {
-            usage(e.what());
-        }
-    }
-    return std::vector<int>();
-}
-
-std::vector<PageSpec>
-ArgParser::parsePagesOptions()
-{
-    std::vector<PageSpec> result;
-    while (1)
-    {
-        if ((cur_arg < argc) && (strcmp(argvcur_arg, "--") == 0))
-        {
-            break;
-        }
-        if (cur_arg + 1 >= argc)
-        {
-            usage("insufficient arguments to --pages");
-        }
-        char const* file = argvcur_arg++;
-        char const* password = 0;
-        char const* range = argvcur_arg++;
-        if (strncmp(range, "--password=", 11) == 0)
-        {
-            // Oh, that's the password, not the range
-            if (cur_arg + 1 >= argc)
-            {
-                usage("insufficient arguments to --pages");
-            }
-            password = range + 11;
-            range = argvcur_arg++;
-        }
-
-        // See if the user omitted the range entirely, in which case
-        // we assume "1-z".
-        bool range_omitted = false;
-        if (strcmp(range, "--") == 0)
-        {
-            // The filename or password was the last argument
-            QTC::TC("qpdf", "qpdf pages range omitted at end");
-            range_omitted = true;
-        }
-        else
-        {
-            try
-            {
-                parseNumrange(range, 0, true);
-            }
-            catch (std::runtime_error& e1)
-            {
-                // The range is invalid.  Let's see if it's a file.
-                try
-                {
-                    fclose(QUtil::safe_fopen(range, "rb"));
-                    // Yup, it's a file.
-                    QTC::TC("qpdf", "qpdf pages range omitted in middle");
-                    range_omitted = true;
-                }
-                catch (std::runtime_error&)
-                {
-                    // Give the range error
-                    usage(e1.what());
-                }
-            }
-        }
-        if (range_omitted)
-        {
-            --cur_arg;
-            range = "1-z";
-        }
-
-        result.push_back(PageSpec(file, password, range));
-    }
-    return result;
-}
-
-void
-ArgParser::parseUnderOverlayOptions(UnderOverlay* uo)
-{
-    o.under_overlay = uo;
-    this->option_table = &(this->under_overlay_option_table);
-}
-
-QPDFPageData::QPDFPageData(std::string const& filename,
-                           QPDF* qpdf,
-                           char const* range) :
-    filename(filename),
-    qpdf(qpdf),
-    orig_pages(qpdf->getAllPages())
-{
-    try
-    {
-        this->selected_pages =
-            QUtil::parse_numrange(range, this->orig_pages.size());
-    }
-    catch (std::runtime_error& e)
-    {
-        usageExit("parsing numeric range for " + filename + ": " + e.what());
-    }
-}
-
-QPDFPageData::QPDFPageData(QPDFPageData const& other, int page) :
-    filename(other.filename),
-    qpdf(other.qpdf),
-    orig_pages(other.orig_pages)
-{
-    this->selected_pages.push_back(page);
-}
-
-static void parse_version(std::string const& full_version_string,
-                          std::string& version, int& extension_level)
-{
-    PointerHolder<char> vp(true, QUtil::copy_string(full_version_string));
-    char* v = vp.getPointer();
-    char* p1 = strchr(v, '.');
-    char* p2 = (p1 ? strchr(1 + p1, '.') : 0);
-    if (p2 && *(p2 + 1))
-    {
-        *p2++ = '\0';
-        extension_level = QUtil::string_to_int(p2);
-    }
-    version = v;
-}
-
-void
-ArgParser::readArgsFromFile(char const* filename)
-{
-    std::list<std::string> lines;
-    if (strcmp(filename, "-") == 0)
-    {
-        QTC::TC("qpdf", "qpdf read args from stdin");
-        lines = QUtil::read_lines_from_file(std::cin);
-    }
-    else
-    {
-        QTC::TC("qpdf", "qpdf read args from file");
-        lines = QUtil::read_lines_from_file(filename);
-    }
-    for (std::list<std::string>::iterator iter = lines.begin();
-         iter != lines.end(); ++iter)
-    {
-        new_argv.push_back(
-            PointerHolder<char>(true, QUtil::copy_string((*iter).c_str())));
-    }
-}
-
-void
-ArgParser::handleHelpArgs()
-{
-    // Handle special-case informational options that are only
-    // available as the sole option.
-
-    if (argc != 2)
-    {
-        return;
-    }
-    char* arg = argv1;
-    if (*arg != '-')
-    {
-        return;
-    }
-    ++arg;
-    if (*arg == '-')
-    {
-        ++arg;
-    }
-    if (! *arg)
-    {
-        return;
-    }
-    if (this->help_option_table.count(arg))
-    {
-        (this->*(this->help_option_tablearg.bare_arg_handler))();
-        exit(0);
-    }
-}
-
-void
-ArgParser::parseRotationParameter(std::string const& parameter)
-{
-    std::string angle_str;
-    std::string range;
-    size_t colon = parameter.find(':');
-    int relative = 0;
-    if (colon != std::string::npos)
-    {
-        if (colon > 0)
-        {
-            angle_str = parameter.substr(0, colon);
-        }
-        if (colon + 1 < parameter.length())
-        {
-            range = parameter.substr(colon + 1);
-        }
-    }
-    else
-    {
-        angle_str = parameter;
-    }
-    if (angle_str.length() > 0)
-    {
-        char first = angle_str.at(0);
-        if ((first == '+') || (first == '-'))
-        {
-            relative = ((first == '+') ? 1 : -1);
-            angle_str = angle_str.substr(1);
-        }
-        else if (! QUtil::is_digit(angle_str.at(0)))
-        {
-            angle_str = "";
-        }
-    }
-    if (range.empty())
-    {
-        range = "1-z";
-    }
-    bool range_valid = false;
-    try
-    {
-        parseNumrange(range.c_str(), 0, true);
-        range_valid = true;
-    }
-    catch (std::runtime_error const&)
-    {
-        // ignore
-    }
-    if (range_valid &&
-        ((angle_str == "90") || (angle_str == "180") || (angle_str == "270")))
-    {
-        int angle = QUtil::string_to_int(angle_str.c_str());
-        if (relative == -1)
-        {
-            angle = -angle;
-        }
-        o.rotationsrange = RotationSpec(angle, (relative != 0));
-    }
-    else
-    {
-        usage("invalid parameter to rotate: " + parameter);
-    }
-}
-
-void
-ArgParser::checkCompletion()
-{
-    // See if we're being invoked from bash completion.
-    std::string bash_point_env;
-    if (QUtil::get_env("COMP_LINE", &bash_line) &&
-        QUtil::get_env("COMP_POINT", &bash_point_env))
-    {
-        int p = QUtil::string_to_int(bash_point_env.c_str());
-        if ((p > 0) && (p <= static_cast<int>(bash_line.length())))
-        {
-            // Truncate the line. We ignore everything at or after the
-            // cursor for completion purposes.
-            bash_line = bash_line.substr(0, p);
-        }
-        // Set bash_cur and bash_prev based on bash_line rather than
-        // relying on argv. This enables us to use bashcompinit to get
-        // completion in zsh too since bashcompinit sets COMP_LINE and
-        // COMP_POINT but doesn't invoke the command with options like
-        // bash does.
-
-        // p is equal to length of the string. Walk backwards looking
-        // for the first separator. bash_cur is everything after the
-        // last separator, possibly empty.
-        char sep(0);
-        while (--p > 0)
-        {
-            char ch = bash_line.at(p);
-            if ((ch == ' ') || (ch == '=') || (ch == ':'))
-            {
-                sep = ch;
-                break;
-            }
-        }
-        bash_cur = bash_line.substr(1+p, std::string::npos);
-        if ((sep == ':') || (sep == '='))
-        {
-            // Bash sets prev to the non-space separator if any.
-            // Actually, if there are multiple separators in a row,
-            // they are all included in prev, but that detail is not
-            // important to us and not worth coding.
-            bash_prev = bash_line.substr(p, 1);
-        }
-        else
-        {
-            // Go back to the last separator and set prev based on
-            // that.
-            int p1 = p;
-            while (--p1 > 0)
-            {
-                char ch = bash_line.at(p1);
-                if ((ch == ' ') || (ch == ':') || (ch == '='))
-                {
-                    bash_prev = bash_line.substr(p1 + 1, p - p1 - 1);
-                    break;
-                }
-            }
-        }
-        if (bash_prev.empty())
-        {
-            bash_prev = bash_line.substr(0, p);
-        }
-        if (argc == 1)
-        {
-            // This is probably zsh using bashcompinit. There are a
-            // few differences in the expected output.
-            zsh_completion = true;
-        }
-        handleBashArguments();
-        bash_completion = true;
-    }
-}
-
-void
-ArgParser::parseOptions()
-{
-    checkCompletion();
-    if (! this->bash_completion)
-    {
-        handleHelpArgs();
-    }
-    handleArgFileArguments();
-    for (cur_arg = 1; cur_arg < argc; ++cur_arg)
-    {
-        char* arg = argvcur_arg;
-        if (strcmp(arg, "--") == 0)
-        {
-            // Special case for -- option, which is used to break out
-            // of subparsers.
-            OptionEntry& oe = (*this->option_table)"--";
-            if (oe.bare_arg_handler)
-            {
-                (this->*(oe.bare_arg_handler))();
-            }
-        }
-        else if ((arg0 == '-') && (strcmp(arg, "-") != 0))
-        {
-            ++arg;
-            if (arg0 == '-')
-            {
-                // Be lax about -arg vs --arg
-                ++arg;
-            }
-            char* parameter = 0;
-            if (strlen(arg) > 0)
-            {
-                // Prevent --=something from being treated as an empty
-                // arg since the empty string in the option table is
-                // for positional arguments.
-                parameter = const_cast<char*>(strchr(1 + arg, '='));
-            }
-            if (parameter)
-            {
-                *parameter++ = 0;
-            }
-
-            std::string arg_s(arg);
-            if (arg_s.empty() ||
-                (arg_s.at(0) == '-') ||
-                (0 == this->option_table->count(arg_s)))
-            {
-                usage(std::string("unknown option --") + arg);
-            }
-
-            OptionEntry& oe = (*this->option_table)arg_s;
-            if ((oe.parameter_needed && (0 == parameter)) ||
-                ((! oe.choices.empty() &&
-                  ((0 == parameter) ||
-                   (0 == oe.choices.count(parameter))))))
-            {
-                std::string message =
-                    "--" + arg_s + " must be given as --" + arg_s + "=";
-                if (! oe.choices.empty())
-                {
-                    QTC::TC("qpdf", "qpdf required choices");
-                    message += "{";
-                    for (std::set<std::string>::iterator iter =
-                             oe.choices.begin();
-                         iter != oe.choices.end(); ++iter)
-                    {
-                        if (iter != oe.choices.begin())
-                        {
-                            message += ",";
-                        }
-                        message += *iter;
-                    }
-                    message += "}";
-                }
-                else if (! oe.parameter_name.empty())
-                {
-                    QTC::TC("qpdf", "qpdf required parameter");
-                    message += oe.parameter_name;
-                }
-                else
-                {
-                    // should not be possible
-                    message += "option";
-                }
-                usage(message);
-            }
-            if (oe.bare_arg_handler)
-            {
-                (this->*(oe.bare_arg_handler))();
-            }
-            else if (oe.param_arg_handler)
-            {
-                (this->*(oe.param_arg_handler))(parameter);
-            }
-        }
-        else if (0 != this->option_table->count(""))
-        {
-            // The empty string maps to the positional argument
-            // handler.
-            OptionEntry& oe = (*this->option_table)"";
-            if (oe.param_arg_handler)
-            {
-                (this->*(oe.param_arg_handler))(arg);
-            }
-        }
-        else
-        {
-            usage(std::string("unknown argument ") + arg);
-        }
-    }
-    if (this->bash_completion)
-    {
-        handleCompletion();
-    }
-    else
-    {
-        doFinalChecks();
-    }
-}
-
-void
-ArgParser::doFinalChecks()
-{
-    if (this->option_table != &(this->main_option_table))
-    {
-        usage("missing -- at end of options");
-    }
-    if (o.infilename == 0)
-    {
-        usage("an input file name is required");
-    }
-    else if (o.require_outfile && (o.outfilename == 0))
-    {
-        usage("an output file name is required; use - for standard output");
-    }
-    else if ((! o.require_outfile) && (o.outfilename != 0))
-    {
-        usage("no output file may be given for this option");
-    }
-    if (o.optimize_images && (! o.keep_inline_images))
-    {
-        o.externalize_inline_images = true;
-    }
-
-    if (o.require_outfile && (strcmp(o.outfilename, "-") == 0))
-    {
-        if (o.split_pages)
-        {
-            usage("--split-pages may not be used when"
-                  " writing to standard output");
-        }
-        if (o.verbose)
-        {
-            usage("--verbose may not be used when"
-                  " writing to standard output");
-        }
-        if (o.progress)
-        {
-            usage("--progress may not be used when"
-                  " writing to standard output");
-        }
-    }
-
-    if (QUtil::same_file(o.infilename, o.outfilename))
-    {
-        QTC::TC("qpdf", "qpdf same file error");
-        usage("input file and output file are the same;"
-              " this would cause input file to be lost");
-    }
-}
-
-void
-ArgParser::addChoicesToCompletions(std::string const& option,
-                                   std::string const& extra_prefix)
-{
-    if (this->option_table->count(option) != 0)
-    {
-        OptionEntry& oe = (*this->option_table)option;
-        for (std::set<std::string>::iterator iter = oe.choices.begin();
-             iter != oe.choices.end(); ++iter)
-        {
-            completions.insert(extra_prefix + *iter);
-        }
-    }
-}
-
-void
-ArgParser::addOptionsToCompletions()
-{
-    for (std::map<std::string, OptionEntry>::iterator iter =
-             this->option_table->begin();
-         iter != this->option_table->end(); ++iter)
-    {
-        std::string const& arg = (*iter).first;
-        OptionEntry& oe = (*iter).second;
-        std::string base = "--" + arg;
-        if (oe.param_arg_handler)
-        {
-            completions.insert(base + "=");
-        }
-        if (! oe.parameter_needed)
-        {
-            completions.insert(base);
-        }
-    }
-}
-
-void
-ArgParser::handleCompletion()
-{
-    std::string extra_prefix;
-    if (this->completions.empty())
-    {
-        // Detect --option=... Bash treats the = as a word separator.
-        std::string choice_option;
-        if (bash_cur.empty() && (bash_prev.length() > 2) &&
-            (bash_prev.at(0) == '-') &&
-            (bash_prev.at(1) == '-') &&
-            (bash_line.at(bash_line.length() - 1) == '='))
-        {
-            choice_option = bash_prev.substr(2, std::string::npos);
-        }
-        else if ((bash_prev == "=") &&
-                 (bash_line.length() > (bash_cur.length() + 1)))
-        {
-            // We're sitting at --option=x. Find previous option.
-            size_t end_mark = bash_line.length() - bash_cur.length() - 1;
-            char before_cur = bash_line.at(end_mark);
-            if (before_cur == '=')
-            {
-                size_t space = bash_line.find_last_of(' ', end_mark);
-                if (space != std::string::npos)
-                {
-                    std::string candidate =
-                        bash_line.substr(space + 1, end_mark - space - 1);
-                    if ((candidate.length() > 2) &&
-                        (candidate.at(0) == '-') &&
-                        (candidate.at(1) == '-'))
-                    {
-                        choice_option =
-                            candidate.substr(2, std::string::npos);
-                    }
-                }
-            }
-        }
-        if (! choice_option.empty())
-        {
-            if (zsh_completion)
-            {
-                // zsh wants --option=choice rather than just choice
-                extra_prefix = "--" + choice_option + "=";
-            }
-            addChoicesToCompletions(choice_option, extra_prefix);
-        }
-        else if ((! bash_cur.empty()) && (bash_cur.at(0) == '-'))
-        {
-            addOptionsToCompletions();
-            if (this->argc == 1)
-            {
-                // Help options are valid only by themselves.
-                for (std::map<std::string, OptionEntry>::iterator iter =
-                         this->help_option_table.begin();
-                     iter != this->help_option_table.end(); ++iter)
-                {
-                    this->completions.insert("--" + (*iter).first);
-                }
-            }
-        }
-    }
-    std::string prefix = extra_prefix + bash_cur;
-    for (std::set<std::string>::iterator iter = completions.begin();
-         iter != completions.end(); ++iter)
-    {
-        if (prefix.empty() ||
-            ((*iter).substr(0, prefix.length()) == prefix))
-        {
-            std::cout << *iter << std::endl;
-        }
-    }
-    exit(0);
-}
-
-static void set_qpdf_options(QPDF& pdf, Options& o)
-{
-    if (o.ignore_xref_streams)
-    {
-        pdf.setIgnoreXRefStreams(true);
-    }
-    if (o.suppress_recovery)
-    {
-        pdf.setAttemptRecovery(false);
-    }
-    if (o.password_is_hex_key)
-    {
-        pdf.setPasswordIsHexKey(true);
-    }
-    if (o.suppress_warnings)
-    {
-        pdf.setSuppressWarnings(true);
-    }
-}
-
-static void do_check(QPDF& pdf, Options& o, int& exit_code)
-{
-    // Code below may set okay to false but not to true.
-    // We assume okay until we prove otherwise but may
-    // continue to perform additional checks after finding
-    // errors.
-    bool okay = true;
-    std::cout << "checking " << o.infilename << std::endl;
-    try
-    {
-        int extension_level = pdf.getExtensionLevel();
-        std::cout << "PDF Version: " << pdf.getPDFVersion();
-        if (extension_level > 0)
-        {
-            std::cout << " extension level "
-                      << pdf.getExtensionLevel();
-        }
-        std::cout << std::endl;
-        show_encryption(pdf, o);
-        if (pdf.isLinearized())
-        {
-            std::cout << "File is linearized\n";
-            if (! pdf.checkLinearization())
-            {
-                // any errors are reported by checkLinearization()
-                okay = false;
-            }
-        }
-        else
-        {
-            std::cout << "File is not linearized\n";
-        }
-
-        // Write the file no nowhere, uncompressing
-        // streams.  This causes full file traversal and
-        // decoding of all streams we can decode.
-        QPDFWriter w(pdf);
-        Pl_Discard discard;
-        w.setOutputPipeline(&discard);
-        w.setDecodeLevel(qpdf_dl_all);
-        w.write();
-
-        // Parse all content streams
-        QPDFPageDocumentHelper dh(pdf);
-        std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-        DiscardContents discard_contents;
-        int pageno = 0;
-        for (std::vector<QPDFPageObjectHelper>::iterator iter =
-                 pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            QPDFPageObjectHelper& page(*iter);
-            ++pageno;
-            try
-            {
-                page.parsePageContents(&discard_contents);
-            }
-            catch (QPDFExc& e)
-            {
-                okay = false;
-                std::cout << "page " << pageno << ": "
-                          << e.what() << std::endl;
-            }
-        }
-    }
-    catch (std::exception& e)
-    {
-        std::cout << e.what() << std::endl;
-        okay = false;
-    }
-    if (okay)
-    {
-        if (! pdf.getWarnings().empty())
-        {
-            exit_code = EXIT_WARNING;
-        }
-        else
-        {
-            std::cout << "No syntax or stream encoding errors"
-                      << " found; the file may still contain"
-                      << std::endl
-                      << "errors that qpdf cannot detect"
-                      << std::endl;
-        }
-    }
-    else
-    {
-        exit_code = EXIT_ERROR;
-    }
-}
-
-static void do_show_obj(QPDF& pdf, Options& o, int& exit_code)
-{
-    QPDFObjectHandle obj;
-    if (o.show_trailer)
-    {
-        obj = pdf.getTrailer();
-    }
-    else
-    {
-        obj = pdf.getObjectByID(o.show_obj, o.show_gen);
-    }
-    if (obj.isStream())
-    {
-        if (o.show_raw_stream_data || o.show_filtered_stream_data)
-        {
-            bool filter = o.show_filtered_stream_data;
-            if (filter &&
-                (! obj.pipeStreamData(0, 0, qpdf_dl_all)))
-            {
-                QTC::TC("qpdf", "qpdf unable to filter");
-                std::cerr << "Unable to filter stream data."
-                          << std::endl;
-                exit_code = EXIT_ERROR;
-            }
-            else
-            {
-                QUtil::binary_stdout();
-                Pl_StdioFile out("stdout", stdout);
-                obj.pipeStreamData(
-                    &out,
-                    (filter && o.normalize) ? qpdf_ef_normalize : 0,
-                    filter ? qpdf_dl_all : qpdf_dl_none);
-            }
-        }
-        else
-        {
-            std::cout
-                << "Object is stream.  Dictionary:" << std::endl
-                << obj.getDict().unparseResolved() << std::endl;
-        }
-    }
-    else
-    {
-        std::cout << obj.unparseResolved() << std::endl;
-    }
-}
-
-static void do_show_pages(QPDF& pdf, Options& o)
-{
-    QPDFPageDocumentHelper dh(pdf);
-    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-    int pageno = 0;
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter)
-    {
-        QPDFPageObjectHelper& ph(*iter);
-        QPDFObjectHandle page = ph.getObjectHandle();
-        ++pageno;
-
-        std::cout << "page " << pageno << ": "
-                  << page.getObjectID() << " "
-                  << page.getGeneration() << " R" << std::endl;
-        if (o.show_page_images)
-        {
-            std::map<std::string, QPDFObjectHandle> images =
-                ph.getPageImages();
-            if (! images.empty())
-            {
-                std::cout << "  images:" << std::endl;
-                for (std::map<std::string,
-                         QPDFObjectHandle>::iterator
-                         iter = images.begin();
-                     iter != images.end(); ++iter)
-                {
-                    std::string const& name = (*iter).first;
-                    QPDFObjectHandle image = (*iter).second;
-                    QPDFObjectHandle dict = image.getDict();
-                    int width =
-                        dict.getKey("/Width").getIntValue();
-                    int height =
-                        dict.getKey("/Height").getIntValue();
-                    std::cout << "    " << name << ": "
-                              << image.unparse()
-                              << ", " << width << " x " << height
-                              << std::endl;
-                }
-            }
-        }
-
-        std::cout << "  content:" << std::endl;
-        std::vector<QPDFObjectHandle> content =
-            ph.getPageContents();
-        for (std::vector<QPDFObjectHandle>::iterator iter =
-                 content.begin();
-             iter != content.end(); ++iter)
-        {
-            std::cout << "    " << (*iter).unparse() << std::endl;
-        }
-    }
-}
-
-static void do_json_objects(QPDF& pdf, Options& o, JSON& j)
-{
-    // Add all objects. Do this first before other code below modifies
-    // things by doing stuff like calling
-    // pushInheritedAttributesToPage.
-    bool all_objects = o.json_objects.empty();
-    std::set<QPDFObjGen> wanted_og;
-    for (std::set<std::string>::iterator iter = o.json_objects.begin();
-         iter != o.json_objects.end(); ++iter)
-    {
-        bool trailer;
-        int obj = 0;
-        int gen = 0;
-        parse_object_id(*iter, trailer, obj, gen);
-        if (obj)
-        {
-            wanted_og.insert(QPDFObjGen(obj, gen));
-        }
-    }
-    JSON j_objects = j.addDictionaryMember("objects", JSON::makeDictionary());
-    if (all_objects || o.json_objects.count("trailer"))
-    {
-        j_objects.addDictionaryMember(
-            "trailer", pdf.getTrailer().getJSON(true));
-    }
-    std::vector<QPDFObjectHandle> objects = pdf.getAllObjects();
-    for (std::vector<QPDFObjectHandle>::iterator iter = objects.begin();
-         iter != objects.end(); ++iter)
-    {
-        if (all_objects || wanted_og.count((*iter).getObjGen()))
-        {
-            j_objects.addDictionaryMember(
-                (*iter).unparse(), (*iter).getJSON(true));
-        }
-    }
-}
-
-static void do_json_pages(QPDF& pdf, Options& o, JSON& j)
-{
-    JSON j_pages = j.addDictionaryMember("pages", JSON::makeArray());
-    QPDFPageDocumentHelper pdh(pdf);
-    QPDFPageLabelDocumentHelper pldh(pdf);
-    QPDFOutlineDocumentHelper odh(pdf);
-    pdh.pushInheritedAttributesToPage();
-    std::vector<QPDFPageObjectHelper> pages = pdh.getAllPages();
-    size_t pageno = 0;
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter, ++pageno)
-    {
-        JSON j_page = j_pages.addArrayElement(JSON::makeDictionary());
-        QPDFPageObjectHelper& ph(*iter);
-        QPDFObjectHandle page = ph.getObjectHandle();
-        j_page.addDictionaryMember("object", page.getJSON());
-        JSON j_images = j_page.addDictionaryMember(
-            "images", JSON::makeArray());
-        std::map<std::string, QPDFObjectHandle> images =
-            ph.getPageImages();
-        for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-                 images.begin();
-             iter != images.end(); ++iter)
-        {
-            JSON j_image = j_images.addArrayElement(JSON::makeDictionary());
-            j_image.addDictionaryMember(
-                "name", JSON::makeString((*iter).first));
-            QPDFObjectHandle image = (*iter).second;
-            QPDFObjectHandle dict = image.getDict();
-            j_image.addDictionaryMember("object", image.getJSON());
-            j_image.addDictionaryMember(
-                "width", dict.getKey("/Width").getJSON());
-            j_image.addDictionaryMember(
-                "height", dict.getKey("/Height").getJSON());
-            j_image.addDictionaryMember(
-                "colorspace", dict.getKey("/ColorSpace").getJSON());
-            j_image.addDictionaryMember(
-                "bitspercomponent", dict.getKey("/BitsPerComponent").getJSON());
-            QPDFObjectHandle filters = dict.getKey("/Filter").wrapInArray();
-            j_image.addDictionaryMember(
-                "filter", filters.getJSON());
-            QPDFObjectHandle decode_parms = dict.getKey("/DecodeParms");
-            QPDFObjectHandle dp_array;
-            if (decode_parms.isArray())
-            {
-                dp_array = decode_parms;
-            }
-            else
-            {
-                dp_array = QPDFObjectHandle::newArray();
-                for (int i = 0; i < filters.getArrayNItems(); ++i)
-                {
-                    dp_array.appendItem(decode_parms);
-                }
-            }
-            j_image.addDictionaryMember("decodeparms", dp_array.getJSON());
-            j_image.addDictionaryMember(
-                "filterable",
-                JSON::makeBool(
-                    image.pipeStreamData(0, 0, o.decode_level, true)));
-        }
-        j_page.addDictionaryMember("images", j_images);
-        JSON j_contents = j_page.addDictionaryMember(
-            "contents", JSON::makeArray());
-        std::vector<QPDFObjectHandle> content = ph.getPageContents();
-        for (std::vector<QPDFObjectHandle>::iterator iter = content.begin();
-             iter != content.end(); ++iter)
-        {
-            j_contents.addArrayElement((*iter).getJSON());
-        }
-        j_page.addDictionaryMember(
-            "label", pldh.getLabelForPage(pageno).getJSON());
-        JSON j_outlines = j_page.addDictionaryMember(
-            "outlines", JSON::makeArray());
-        std::list<QPDFOutlineObjectHelper> outlines =
-            odh.getOutlinesForPage(page.getObjGen());
-        for (std::list<QPDFOutlineObjectHelper>::iterator oiter =
-                 outlines.begin();
-             oiter != outlines.end(); ++oiter)
-        {
-            JSON j_outline = j_outlines.addArrayElement(JSON::makeDictionary());
-            j_outline.addDictionaryMember(
-                "object", (*oiter).getObjectHandle().getJSON());
-            j_outline.addDictionaryMember(
-                "title", JSON::makeString((*oiter).getTitle()));
-            j_outline.addDictionaryMember(
-                "dest", (*oiter).getDest().getJSON(true));
-        }
-        j_page.addDictionaryMember("pageposfrom1", JSON::makeInt(1 + pageno));
-    }
-}
-
-static void do_json_page_labels(QPDF& pdf, Options& o, JSON& j)
-{
-    JSON j_labels = j.addDictionaryMember("pagelabels", JSON::makeArray());
-    QPDFPageLabelDocumentHelper pldh(pdf);
-    QPDFPageDocumentHelper pdh(pdf);
-    std::vector<QPDFPageObjectHelper> pages = pdh.getAllPages();
-    if (pldh.hasPageLabels())
-    {
-        std::vector<QPDFObjectHandle> labels;
-        pldh.getLabelsForPageRange(0, pages.size() - 1, 0, labels);
-        for (std::vector<QPDFObjectHandle>::iterator iter = labels.begin();
-             iter != labels.end(); ++iter)
-        {
-            std::vector<QPDFObjectHandle>::iterator next = iter;
-            ++next;
-            if (next == labels.end())
-            {
-                // This can't happen, so ignore it. This could only
-                // happen if getLabelsForPageRange somehow returned an
-                // odd number of items.
-                break;
-            }
-            JSON j_label = j_labels.addArrayElement(JSON::makeDictionary());
-            j_label.addDictionaryMember("index", (*iter).getJSON());
-            ++iter;
-            j_label.addDictionaryMember("label", (*iter).getJSON());
-        }
-    }
-}
-
-static void add_outlines_to_json(
-    std::list<QPDFOutlineObjectHelper> outlines, JSON& j,
-    std::map<QPDFObjGen, int>& page_numbers)
-{
-    for (std::list<QPDFOutlineObjectHelper>::iterator iter = outlines.begin();
-         iter != outlines.end(); ++iter)
-    {
-        QPDFOutlineObjectHelper& ol = *iter;
-        JSON jo = j.addArrayElement(JSON::makeDictionary());
-        jo.addDictionaryMember("object", ol.getObjectHandle().getJSON());
-        jo.addDictionaryMember("title", JSON::makeString(ol.getTitle()));
-        jo.addDictionaryMember("dest", ol.getDest().getJSON(true));
-        jo.addDictionaryMember("open", JSON::makeBool(ol.getCount() >= 0));
-        QPDFObjectHandle page = ol.getDestPage();
-        JSON j_destpage = JSON::makeNull();
-        if (page.isIndirect())
-        {
-            QPDFObjGen og = page.getObjGen();
-            if (page_numbers.count(og))
-            {
-                j_destpage = JSON::makeInt(page_numbersog);
-            }
-        }
-        jo.addDictionaryMember("destpageposfrom1", j_destpage);
-        JSON j_kids = jo.addDictionaryMember("kids", JSON::makeArray());
-        add_outlines_to_json(ol.getKids(), j_kids, page_numbers);
-    }
-}
-
-static void do_json_outlines(QPDF& pdf, Options& o, JSON& j)
-{
-    std::map<QPDFObjGen, int> page_numbers;
-    QPDFPageDocumentHelper dh(pdf);
-    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-    int n = 0;
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-	 iter != pages.end(); ++iter)
-    {
-	QPDFObjectHandle oh = (*iter).getObjectHandle();
-	page_numbersoh.getObjGen() = ++n;
-    }
-
-    JSON j_outlines = j.addDictionaryMember(
-        "outlines", JSON::makeArray());
-    QPDFOutlineDocumentHelper odh(pdf);
-    add_outlines_to_json(odh.getTopLevelOutlines(), j_outlines, page_numbers);
-}
-
-static void do_json_acroform(QPDF& pdf, Options& o, JSON& j)
-{
-    JSON j_acroform = j.addDictionaryMember(
-        "acroform", JSON::makeDictionary());
-    QPDFAcroFormDocumentHelper afdh(pdf);
-    j_acroform.addDictionaryMember(
-        "hasacroform",
-        JSON::makeBool(afdh.hasAcroForm()));
-    j_acroform.addDictionaryMember(
-        "needappearances",
-        JSON::makeBool(afdh.getNeedAppearances()));
-    JSON j_fields = j_acroform.addDictionaryMember(
-        "fields", JSON::makeArray());
-    QPDFPageDocumentHelper pdh(pdf);
-    std::vector<QPDFPageObjectHelper> pages = pdh.getAllPages();
-    int pagepos1 = 0;
-    for (std::vector<QPDFPageObjectHelper>::iterator page_iter =
-             pages.begin();
-         page_iter != pages.end(); ++page_iter)
-    {
-        ++pagepos1;
-        std::vector<QPDFAnnotationObjectHelper> annotations =
-            afdh.getWidgetAnnotationsForPage(*page_iter);
-        for (std::vector<QPDFAnnotationObjectHelper>::iterator annot_iter =
-                 annotations.begin();
-             annot_iter != annotations.end(); ++annot_iter)
-        {
-            QPDFAnnotationObjectHelper& aoh = *annot_iter;
-            QPDFFormFieldObjectHelper ffh =
-                afdh.getFieldForAnnotation(aoh);
-            JSON j_field = j_fields.addArrayElement(
-                JSON::makeDictionary());
-            j_field.addDictionaryMember(
-                "object",
-                ffh.getObjectHandle().getJSON());
-            j_field.addDictionaryMember(
-                "parent",
-                ffh.getObjectHandle().getKey("/Parent").getJSON());
-            j_field.addDictionaryMember(
-                "pageposfrom1",
-                JSON::makeInt(pagepos1));
-            j_field.addDictionaryMember(
-                "fieldtype",
-                JSON::makeString(ffh.getFieldType()));
-            j_field.addDictionaryMember(
-                "fieldflags",
-                JSON::makeInt(ffh.getFlags()));
-            j_field.addDictionaryMember(
-                "fullname",
-                JSON::makeString(ffh.getFullyQualifiedName()));
-            j_field.addDictionaryMember(
-                "partialname",
-                JSON::makeString(ffh.getPartialName()));
-            j_field.addDictionaryMember(
-                "alternativename",
-                JSON::makeString(ffh.getAlternativeName()));
-            j_field.addDictionaryMember(
-                "mappingname",
-                JSON::makeString(ffh.getMappingName()));
-            j_field.addDictionaryMember(
-                "value",
-                ffh.getValue().getJSON());
-            j_field.addDictionaryMember(
-                "defaultvalue",
-                ffh.getDefaultValue().getJSON());
-            j_field.addDictionaryMember(
-                "quadding",
-                JSON::makeInt(ffh.getQuadding()));
-            j_field.addDictionaryMember(
-                "ischeckbox",
-                JSON::makeBool(ffh.isCheckbox()));
-            j_field.addDictionaryMember(
-                "isradiobutton",
-                JSON::makeBool(ffh.isRadioButton()));
-            j_field.addDictionaryMember(
-                "ischoice",
-                JSON::makeBool(ffh.isChoice()));
-            j_field.addDictionaryMember(
-                "istext",
-                JSON::makeBool(ffh.isText()));
-            JSON j_choices = j_field.addDictionaryMember(
-                "choices", JSON::makeArray());
-            std::vector<std::string> choices = ffh.getChoices();
-            for (std::vector<std::string>::iterator iter = choices.begin();
-                 iter != choices.end(); ++iter)
-            {
-                j_choices.addArrayElement(JSON::makeString(*iter));
-            }
-            JSON j_annot = j_field.addDictionaryMember(
-                "annotation", JSON::makeDictionary());
-            j_annot.addDictionaryMember(
-                "object",
-                aoh.getObjectHandle().getJSON());
-            j_annot.addDictionaryMember(
-                "appearancestate",
-                JSON::makeString(aoh.getAppearanceState()));
-            j_annot.addDictionaryMember(
-                "annotationflags",
-                JSON::makeInt(aoh.getFlags()));
-        }
-    }
-}
-
-static void do_json(QPDF& pdf, Options& o)
-{
-    JSON j = JSON::makeDictionary();
-    // This version is updated every time a non-backward-compatible
-    // change is made to the JSON format. Clients of the JSON are to
-    // ignore unrecognized keys, so we only update the version of a
-    // key disappears or if its value changes meaning.
-    j.addDictionaryMember("version", JSON::makeInt(1));
-    JSON j_params = j.addDictionaryMember(
-        "parameters", JSON::makeDictionary());
-    std::string decode_level_str;
-    switch (o.decode_level)
-    {
-        case qpdf_dl_none:
-          decode_level_str = "none";
-          break;
-        case qpdf_dl_generalized:
-          decode_level_str = "generalized";
-          break;
-        case qpdf_dl_specialized:
-          decode_level_str = "specialized";
-          break;
-        case qpdf_dl_all:
-          decode_level_str = "all";
-          break;
-    }
-    j_params.addDictionaryMember(
-        "decodelevel", JSON::makeString(decode_level_str));
-
-    bool all_keys = o.json_keys.empty();
-    // The list of selectable top-level keys id duplicated in three
-    // places: json_schema, do_json, and initOptionTable.
-    if (all_keys || o.json_keys.count("objects"))
-    {
-        do_json_objects(pdf, o, j);
-    }
-    if (all_keys || o.json_keys.count("pages"))
-    {
-        do_json_pages(pdf, o, j);
-    }
-    if (all_keys || o.json_keys.count("pagelabels"))
-    {
-        do_json_page_labels(pdf, o, j);
-    }
-    if (all_keys || o.json_keys.count("outlines"))
-    {
-        do_json_outlines(pdf, o, j);
-    }
-    if (all_keys || o.json_keys.count("acroform"))
-    {
-        do_json_acroform(pdf, o, j);
-    }
-
-    // Check against schema
-
-    JSON schema = json_schema(&o.json_keys);
-    std::list<std::string> errors;
-    if (! j.checkSchema(schema, errors))
-    {
-        std::cerr
-            << whoami << " didn't create JSON that complies with its own\n\
-rules. Please report this as a bug at\n\
-   https://github.com/qpdf/qpdf/issues/new\n\
-ideally with the file that caused the error and the output below. Thanks!\n\
-\n";
-        for (std::list<std::string>::iterator iter = errors.begin();
-             iter != errors.end(); ++iter)
-        {
-            std::cerr << (*iter) << std::endl;
-        }
-    }
-
-    std::cout << j.unparse() << std::endl;
-}
-
-static void do_inspection(QPDF& pdf, Options& o)
-{
-    int exit_code = 0;
-    if (o.check)
-    {
-        do_check(pdf, o, exit_code);
-    }
-    if (o.json)
-    {
-        do_json(pdf, o);
-    }
-    if (o.show_npages)
-    {
-        QTC::TC("qpdf", "qpdf npages");
-        std::cout << pdf.getRoot().getKey("/Pages").
-            getKey("/Count").getIntValue() << std::endl;
-    }
-    if (o.show_encryption)
-    {
-        show_encryption(pdf, o);
-    }
-    if (o.check_linearization)
-    {
-        if (pdf.checkLinearization())
-        {
-            std::cout << o.infilename << ": no linearization errors"
-                      << std::endl;
-        }
-        else
-        {
-            exit_code = EXIT_ERROR;
-        }
-    }
-    if (o.show_linearization)
-    {
-        if (pdf.isLinearized())
-        {
-            pdf.showLinearizationData();
-        }
-        else
-        {
-            std::cout << o.infilename << " is not linearized"
-                      << std::endl;
-        }
-    }
-    if (o.show_xref)
-    {
-        pdf.showXRefTable();
-    }
-    if ((o.show_obj > 0) || o.show_trailer)
-    {
-        do_show_obj(pdf, o, exit_code);
-    }
-    if (o.show_pages)
-    {
-        do_show_pages(pdf, o);
-    }
-    if (exit_code)
-    {
-        exit(exit_code);
-    }
-}
-
-class ImageOptimizer: public QPDFObjectHandle::StreamDataProvider
-{
-  public:
-    ImageOptimizer(Options& o, QPDFObjectHandle& image);
-    virtual ~ImageOptimizer()
-    {
-    }
-    virtual void provideStreamData(int objid, int generation,
-				   Pipeline* pipeline);
-    PointerHolder<Pipeline> makePipeline(
-        std::string const& description, Pipeline* next);
-    bool evaluate(std::string const& description);
-
-  private:
-    Options& o;
-    QPDFObjectHandle image;
-};
-
-ImageOptimizer::ImageOptimizer(Options& o, QPDFObjectHandle& image) :
-    o(o),
-    image(image)
-{
-}
-
-PointerHolder<Pipeline>
-ImageOptimizer::makePipeline(std::string const& description, Pipeline* next)
-{
-    PointerHolder<Pipeline> result;
-    QPDFObjectHandle dict = image.getDict();
-    QPDFObjectHandle w_obj = dict.getKey("/Width");
-    QPDFObjectHandle h_obj = dict.getKey("/Height");
-    QPDFObjectHandle colorspace_obj = dict.getKey("/ColorSpace");
-    if (! (w_obj.isNumber() && h_obj.isNumber()))
-    {
-        if (o.verbose && (! description.empty()))
-        {
-            std::cout << whoami << ": " << description
-                      << ": not optimizing because image dictionary"
-                      << " is missing required keys" << std::endl;
-        }
-        return result;
-    }
-    QPDFObjectHandle components_obj = dict.getKey("/BitsPerComponent");
-    if (! (components_obj.isInteger() && (components_obj.getIntValue() == 8)))
-    {
-        QTC::TC("qpdf", "qpdf image optimize bits per component");
-        if (o.verbose && (! description.empty()))
-        {
-            std::cout << whoami << ": " << description
-                      << ": not optimizing because image has other than"
-                      << " 8 bits per component" << std::endl;
-        }
-        return result;
-    }
-    // Files have been seen in the wild whose width and height are
-    // floating point, which is goofy, but we can deal with it.
-    JDIMENSION w = static_cast<JDIMENSION>(
-        w_obj.isInteger() ? w_obj.getIntValue() : w_obj.getNumericValue());
-    JDIMENSION h = static_cast<JDIMENSION>(
-        h_obj.isInteger() ? h_obj.getIntValue() : h_obj.getNumericValue());
-    std::string colorspace = (colorspace_obj.isName() ?
-                              colorspace_obj.getName() :
-                              std::string());
-    int components = 0;
-    J_COLOR_SPACE cs = JCS_UNKNOWN;
-    if (colorspace == "/DeviceRGB")
-    {
-        components = 3;
-        cs = JCS_RGB;
-    }
-    else if (colorspace == "/DeviceGray")
-    {
-        components = 1;
-        cs = JCS_GRAYSCALE;
-    }
-    else if (colorspace == "/DeviceCMYK")
-    {
-        components = 4;
-        cs = JCS_CMYK;
-    }
-    else
-    {
-        QTC::TC("qpdf", "qpdf image optimize colorspace");
-        if (o.verbose && (! description.empty()))
-        {
-            std::cout << whoami << ": " << description
-                      << ": not optimizing because qpdf can't optimize"
-                      << " images with this colorspace" << std::endl;
-        }
-        return result;
-    }
-    if (((o.oi_min_width > 0) && (w <= o.oi_min_width)) ||
-        ((o.oi_min_height > 0) && (h <= o.oi_min_height)) ||
-        ((o.oi_min_area > 0) && ((w * h) <= o.oi_min_area)))
-    {
-        QTC::TC("qpdf", "qpdf image optimize too small");
-        if (o.verbose && (! description.empty()))
-        {
-            std::cout << whoami << ": " << description
-                      << ": not optimizing because image"
-                      << " is smaller than requested minimum dimensions"
-                      << std::endl;
-        }
-        return result;
-    }
-
-    result = new Pl_DCT("jpg", next, w, h, components, cs);
-    return result;
-}
-
-bool
-ImageOptimizer::evaluate(std::string const& description)
-{
-    if (! image.pipeStreamData(0, 0, qpdf_dl_specialized, true))
-    {
-        QTC::TC("qpdf", "qpdf image optimize no pipeline");
-        if (o.verbose)
-        {
-            std::cout << whoami << ": " << description
-                      << ": not optimizing because unable to decode data"
-                      << " or data already uses DCT"
-                      << std::endl;
-        }
-        return false;
-    }
-    Pl_Discard d;
-    Pl_Count c("count", &d);
-    PointerHolder<Pipeline> p = makePipeline(description, &c);
-    if (p.getPointer() == 0)
-    {
-        // message issued by makePipeline
-        return false;
-    }
-    if (! image.pipeStreamData(p.getPointer(), 0, qpdf_dl_specialized))
-    {
-        return false;
-    }
-    long long orig_length = image.getDict().getKey("/Length").getIntValue();
-    if (c.getCount() >= orig_length)
-    {
-        QTC::TC("qpdf", "qpdf image optimize no shrink");
-        if (o.verbose)
-        {
-            std::cout << whoami << ": " << description
-                      << ": not optimizing because DCT compression does not"
-                      << " reduce image size" << std::endl;
-        }
-        return false;
-    }
-    if (o.verbose)
-    {
-        std::cout << whoami << ": " << description
-                  << ": optimizing image reduces size from "
-                  << orig_length << " to " << c.getCount()
-                  << std::endl;
-    }
-    return true;
-}
-
-void
-ImageOptimizer::provideStreamData(int, int, Pipeline* pipeline)
-{
-    PointerHolder<Pipeline> p = makePipeline("", pipeline);
-    if (p.getPointer() == 0)
-    {
-        // Should not be possible
-        image.warnIfPossible("unable to create pipeline after previous"
-                             " success; image data will be lost");
-        pipeline->finish();
-        return;
-    }
-    image.pipeStreamData(p.getPointer(), 0, qpdf_dl_specialized,
-                         false, false);
-}
-
-template <typename T>
-static PointerHolder<QPDF> do_process_once(
-    void (QPDF::*fn)(T, char const*),
-    T item, char const* password,
-    Options& o, bool empty)
-{
-    PointerHolder<QPDF> pdf = new QPDF;
-    set_qpdf_options(*pdf, o);
-    if (empty)
-    {
-        pdf->emptyPDF();
-    }
-    else
-    {
-        ((*pdf).*fn)(item, password);
-    }
-    return pdf;
-}
-
-template <typename T>
-static PointerHolder<QPDF> do_process(
-    void (QPDF::*fn)(T, char const*),
-    T item, char const* password,
-    Options& o, bool empty)
-{
-    // If a password has been specified but doesn't work, try other
-    // passwords that are equivalent in different character encodings.
-    // This makes it possible to open PDF files that were encrypted
-    // using incorrect string encodings. For example, if someone used
-    // a password encoded in PDF Doc encoding or Windows code page
-    // 1252 for an AES-encrypted file or a UTF-8-encoded password on
-    // an RC4-encrypted file, or if the password was properly encoded
-    // by the password given here was incorrectly encoded, there's a
-    // good chance we'd succeed here.
-
-    std::string ptemp;
-    if (password && (! o.password_is_hex_key))
-    {
-        if (o.password_mode == pm_hex_bytes)
-        {
-            // Special case: handle --password-mode=hex-bytes for input
-            // password as well as output password
-            QTC::TC("qpdf", "qpdf input password hex-bytes");
-            ptemp = QUtil::hex_decode(password);
-            password = ptemp.c_str();
-        }
-    }
-    if ((password == 0) || empty || o.password_is_hex_key ||
-        o.suppress_password_recovery)
-    {
-        // There is no password, or we're not doing recovery, so just
-        // do the normal processing with the supplied password.
-        return do_process_once(fn, item, password, o, empty);
-    }
-
-    // Get a list of otherwise encoded strings. Keep in scope for this
-    // method.
-    std::vector<std::string> passwords_str =
-        QUtil::possible_repaired_encodings(password);
-    // Represent to char const*, as required by the QPDF class.
-    std::vector<char const*> passwords;
-    for (std::vector<std::string>::iterator iter = passwords_str.begin();
-         iter != passwords_str.end(); ++iter)
-    {
-        passwords.push_back((*iter).c_str());
-    }
-    // We always try the supplied password first because it is the
-    // first string returned by possible_repaired_encodings. If there
-    // is more than one option, go ahead and put the supplied password
-    // at the end so that it's that decoding attempt whose exception
-    // is thrown.
-    if (passwords.size() > 1)
-    {
-        passwords.push_back(password);
-    }
-
-    // Try each password. If one works, return the resulting object.
-    // If they all fail, throw the exception thrown by the final
-    // attempt, which, like the first attempt, will be with the
-    // supplied password.
-    bool warned = false;
-    for (std::vector<char const*>::iterator iter = passwords.begin();
-         iter != passwords.end(); ++iter)
-    {
-        try
-        {
-            return do_process_once(fn, item, *iter, o, empty);
-        }
-        catch (QPDFExc& e)
-        {
-            std::vector<char const*>::iterator next = iter;
-            ++next;
-            if (next == passwords.end())
-            {
-                throw e;
-            }
-        }
-        if ((! warned) && o.verbose)
-        {
-            warned = true;
-            std::cout << whoami << ": supplied password didn't work;"
-                      << " trying other passwords based on interpreting"
-                      << " password with different string encodings"
-                      << std::endl;
-        }
-    }
-    // Should not be reachable
-    throw std::logic_error("do_process returned");
-}
-
-static PointerHolder<QPDF> process_file(char const* filename,
-                                        char const* password,
-                                        Options& o)
-{
-    return do_process(&QPDF::processFile, filename, password, o,
-                      strcmp(filename, "") == 0);
-}
-
-static PointerHolder<QPDF> process_input_source(
-    PointerHolder<InputSource> is, char const* password, Options& o)
-{
-    return do_process(&QPDF::processInputSource, is, password, o, false);
-}
-
-static void validate_under_overlay(QPDF& pdf, UnderOverlay* uo, Options& o)
-{
-    if (0 == uo->filename)
-    {
-        return;
-    }
-    QPDFPageDocumentHelper main_pdh(pdf);
-    int main_npages = static_cast<int>(main_pdh.getAllPages().size());
-    uo->pdf = process_file(uo->filename, uo->password, o);
-    QPDFPageDocumentHelper uo_pdh(*(uo->pdf));
-    int uo_npages = static_cast<int>(uo_pdh.getAllPages().size());
-    try
-    {
-        uo->to_pagenos = QUtil::parse_numrange(uo->to_nr, main_npages);
-    }
-    catch (std::runtime_error& e)
-    {
-        usageExit("parsing numeric range for " + uo->which +
-                  " \"to\" pages: " + e.what());
-    }
-    try
-    {
-        if (0 == strlen(uo->from_nr))
-        {
-            QTC::TC("qpdf", "qpdf from_nr from repeat_nr");
-            uo->from_nr = uo->repeat_nr;
-        }
-        uo->from_pagenos = QUtil::parse_numrange(uo->from_nr, uo_npages);
-        if (strlen(uo->repeat_nr))
-        {
-            uo->repeat_pagenos =
-                QUtil::parse_numrange(uo->repeat_nr, uo_npages);
-        }
-    }
-    catch (std::runtime_error& e)
-    {
-        usageExit("parsing numeric range for " + uo->which + " file " +
-                  uo->filename + ": " + e.what());
-    }
-}
-
-static void get_uo_pagenos(UnderOverlay& uo,
-                           std::map<int, std::vector<int> >& pagenos)
-{
-    size_t idx = 0;
-    size_t from_size = uo.from_pagenos.size();
-    size_t repeat_size = uo.repeat_pagenos.size();
-    for (std::vector<int>::iterator iter = uo.to_pagenos.begin();
-         iter != uo.to_pagenos.end(); ++iter, ++idx)
-    {
-        if (idx < from_size)
-        {
-            pagenos*iter.push_back(uo.from_pagenos.at(idx));
-        }
-        else if (repeat_size)
-        {
-            pagenos*iter.push_back(
-                uo.repeat_pagenos.at((idx - from_size) % repeat_size));
-        }
-    }
-}
-
-static void do_under_overlay_for_page(
-    QPDF& pdf,
-    Options& o,
-    UnderOverlay& uo,
-    std::map<int, std::vector<int> >& pagenos,
-    size_t page_idx,
-    std::map<int, QPDFObjectHandle>& fo,
-    std::vector<QPDFPageObjectHelper>& pages,
-    QPDFPageObjectHelper& dest_page,
-    bool before)
-{
-    int pageno = 1 + page_idx;
-    if (! pagenos.count(pageno))
-    {
-        return;
-    }
-
-    std::string content;
-    int min_suffix = 1;
-    QPDFObjectHandle resources = dest_page.getAttribute("/Resources", true);
-    for (std::vector<int>::iterator iter = pagenospageno.begin();
-         iter != pagenospageno.end(); ++iter)
-    {
-        int from_pageno = *iter;
-        if (o.verbose)
-        {
-            std::cout << "    " << uo.which << " " << from_pageno << std::endl;
-        }
-        if (0 == fo.count(from_pageno))
-        {
-            fofrom_pageno =
-                pdf.copyForeignObject(
-                    pages.at(from_pageno - 1).getFormXObjectForPage());
-        }
-        // If the same page is overlaid or underlaid multiple times,
-        // we'll generate multiple names for it, but that's harmless
-        // and also a pretty goofy case that's not worth coding
-        // around.
-        std::string name = resources.getUniqueResourceName("/Fx", min_suffix);
-        std::string new_content = dest_page.placeFormXObject(
-            fofrom_pageno, name,
-            dest_page.getTrimBox().getArrayAsRectangle());
-        if (! new_content.empty())
-        {
-            resources.mergeResources(
-                QPDFObjectHandle::parse("<< /XObject << >> >>"));
-            resources.getKey("/XObject").replaceKey(name, fofrom_pageno);
-            ++min_suffix;
-            content += new_content;
-        }
-    }
-    if (! content.empty())
-    {
-        if (before)
-        {
-            dest_page.addPageContents(
-                QPDFObjectHandle::newStream(&pdf, content), true);
-        }
-        else
-        {
-            dest_page.addPageContents(
-                QPDFObjectHandle::newStream(&pdf, "q\n"), true);
-            dest_page.addPageContents(
-                QPDFObjectHandle::newStream(&pdf, "\nQ\n" + content), false);
-        }
-    }
-}
-
-static void handle_under_overlay(QPDF& pdf, Options& o)
-{
-    validate_under_overlay(pdf, &o.underlay, o);
-    validate_under_overlay(pdf, &o.overlay, o);
-    if ((0 == o.underlay.pdf.getPointer()) &&
-        (0 == o.overlay.pdf.getPointer()))
-    {
-        return;
-    }
-    std::map<int, std::vector<int> > underlay_pagenos;
-    get_uo_pagenos(o.underlay, underlay_pagenos);
-    std::map<int, std::vector<int> > overlay_pagenos;
-    get_uo_pagenos(o.overlay, overlay_pagenos);
-    std::map<int, QPDFObjectHandle> underlay_fo;
-    std::map<int, QPDFObjectHandle> overlay_fo;
-    std::vector<QPDFPageObjectHelper> upages;
-    if (o.underlay.pdf.getPointer())
-    {
-        upages = QPDFPageDocumentHelper(*(o.underlay.pdf)).getAllPages();
-    }
-    std::vector<QPDFPageObjectHelper> opages;
-    if (o.overlay.pdf.getPointer())
-    {
-        opages = QPDFPageDocumentHelper(*(o.overlay.pdf)).getAllPages();
-    }
-
-    QPDFPageDocumentHelper main_pdh(pdf);
-    std::vector<QPDFPageObjectHelper> main_pages = main_pdh.getAllPages();
-    size_t main_npages = main_pages.size();
-    if (o.verbose)
-    {
-        std::cout << whoami << ": processing underlay/overlay" << std::endl;
-    }
-    for (size_t i = 0; i < main_npages; ++i)
-    {
-        if (o.verbose)
-        {
-            std::cout << "  page " << 1+i << std::endl;
-        }
-        do_under_overlay_for_page(pdf, o, o.underlay, underlay_pagenos, i,
-                                  underlay_fo, upages, main_pages.at(i),
-                                  true);
-        do_under_overlay_for_page(pdf, o, o.overlay, overlay_pagenos, i,
-                                  overlay_fo, opages, main_pages.at(i),
-                                  false);
-    }
-}
-
-static void handle_transformations(QPDF& pdf, Options& o)
-{
-    QPDFPageDocumentHelper dh(pdf);
-    if (o.externalize_inline_images)
-    {
-        std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            QPDFPageObjectHelper& ph(*iter);
-            ph.externalizeInlineImages(o.ii_min_bytes);
-        }
-    }
-    if (o.optimize_images)
-    {
-        int pageno = 0;
-        std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            ++pageno;
-            QPDFPageObjectHelper& ph(*iter);
-            QPDFObjectHandle page = ph.getObjectHandle();
-            std::map<std::string, QPDFObjectHandle> images =
-                ph.getPageImages();
-            for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-                     images.begin();
-                 iter != images.end(); ++iter)
-            {
-                std::string name = (*iter).first;
-                QPDFObjectHandle& image = (*iter).second;
-                ImageOptimizer* io = new ImageOptimizer(o, image);
-                PointerHolder<QPDFObjectHandle::StreamDataProvider> sdp(io);
-                if (io->evaluate("image " + name + " on page " +
-                                 QUtil::int_to_string(pageno)))
-                {
-                    QPDFObjectHandle new_image =
-                        QPDFObjectHandle::newStream(&pdf);
-                    new_image.replaceDict(image.getDict().shallowCopy());
-                    new_image.replaceStreamData(
-                        sdp,
-                        QPDFObjectHandle::newName("/DCTDecode"),
-                        QPDFObjectHandle::newNull());
-                    ph.getAttribute("/Resources", true).
-                        getKey("/XObject").replaceKey(
-                            name, new_image);
-                }
-            }
-        }
-    }
-    if (o.generate_appearances)
-    {
-        QPDFAcroFormDocumentHelper afdh(pdf);
-        afdh.generateAppearancesIfNeeded();
-    }
-    if (o.flatten_annotations)
-    {
-        dh.flattenAnnotations(o.flatten_annotations_required,
-                              o.flatten_annotations_forbidden);
-    }
-    if (o.coalesce_contents)
-    {
-        std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            (*iter).coalesceContentStreams();
-        }
-    }
-    if (o.remove_page_labels)
-    {
-        pdf.getRoot().removeKey("/PageLabels");
-    }
-}
-
-static void handle_page_specs(QPDF& pdf, Options& o)
-{
-    // Parse all page specifications and translate them into lists of
-    // actual pages.
-
-    // Handle "." as a shortcut for the input file
-    for (std::vector<PageSpec>::iterator iter = o.page_specs.begin();
-         iter != o.page_specs.end(); ++iter)
-    {
-        PageSpec& page_spec = *iter;
-        if (page_spec.filename == ".")
-        {
-            page_spec.filename = o.infilename;
-        }
-    }
-
-    if (! o.keep_files_open_set)
-    {
-        // Count the number of distinct files to determine whether we
-        // should keep files open or not. Rather than trying to code
-        // some portable heuristic based on OS limits, just hard-code
-        // this at a given number and allow users to override.
-        std::set<std::string> filenames;
-        for (std::vector<PageSpec>::iterator iter = o.page_specs.begin();
-             iter != o.page_specs.end(); ++iter)
-        {
-            PageSpec& page_spec = *iter;
-            filenames.insert(page_spec.filename);
-        }
-        if (filenames.size() > o.keep_files_open_threshold)
-        {
-            QTC::TC("qpdf", "qpdf disable keep files open");
-            if (o.verbose)
-            {
-                std::cout << whoami << ": selecting --keep-open-files=n"
-                          << std::endl;
-            }
-            o.keep_files_open = false;
-        }
-        else
-        {
-            if (o.verbose)
-            {
-                std::cout << whoami << ": selecting --keep-open-files=y"
-                          << std::endl;
-            }
-            o.keep_files_open = true;
-            QTC::TC("qpdf", "qpdf don't disable keep files open");
-        }
-    }
-
-    // Create a QPDF object for each file that we may take pages from.
-    std::vector<PointerHolder<QPDF> > page_heap;
-    std::map<std::string, QPDF*> page_spec_qpdfs;
-    std::map<std::string, ClosedFileInputSource*> page_spec_cfis;
-    page_spec_qpdfso.infilename = &pdf;
-    std::vector<QPDFPageData> parsed_specs;
-    std::map<unsigned long long, std::set<QPDFObjGen> > copied_pages;
-    for (std::vector<PageSpec>::iterator iter = o.page_specs.begin();
-         iter != o.page_specs.end(); ++iter)
-    {
-        PageSpec& page_spec = *iter;
-        if (page_spec_qpdfs.count(page_spec.filename) == 0)
-        {
-            // Open the PDF file and store the QPDF object. Throw a
-            // PointerHolder to the qpdf into a heap so that it
-            // survives through copying to the output but gets cleaned up
-            // automatically at the end. Do not canonicalize the file
-            // name. Using two different paths to refer to the same
-            // file is a document workaround for duplicating a page.
-            // If you are using this an example of how to do this with
-            // the API, you can just create two different QPDF objects
-            // to the same underlying file with the same path to
-            // achieve the same affect.
-            char const* password = page_spec.password;
-            if (o.encryption_file && (password == 0) &&
-                (page_spec.filename == o.encryption_file))
-            {
-                QTC::TC("qpdf", "qpdf pages encryption password");
-                password = o.encryption_file_password;
-            }
-            if (o.verbose)
-            {
-                std::cout << whoami << ": processing "
-                          << page_spec.filename << std::endl;
-            }
-            PointerHolder<InputSource> is;
-            ClosedFileInputSource* cis = 0;
-            if (! o.keep_files_open)
-            {
-                QTC::TC("qpdf", "qpdf keep files open n");
-                cis = new ClosedFileInputSource(page_spec.filename.c_str());
-                is = cis;
-                cis->stayOpen(true);
-            }
-            else
-            {
-                QTC::TC("qpdf", "qpdf keep files open y");
-                FileInputSource* fis = new FileInputSource();
-                is = fis;
-                fis->setFilename(page_spec.filename.c_str());
-            }
-            PointerHolder<QPDF> qpdf_ph = process_input_source(is, password, o);
-            page_heap.push_back(qpdf_ph);
-            page_spec_qpdfspage_spec.filename = qpdf_ph.getPointer();
-            if (cis)
-            {
-                cis->stayOpen(false);
-                page_spec_cfispage_spec.filename = cis;
-            }
-        }
-
-        // Read original pages from the PDF, and parse the page range
-        // associated with this occurrence of the file.
-        parsed_specs.push_back(
-            QPDFPageData(page_spec.filename,
-                         page_spec_qpdfspage_spec.filename,
-                         page_spec.range));
-    }
-
-    if (! o.preserve_unreferenced_page_resources)
-    {
-        for (std::map<std::string, QPDF*>::iterator iter =
-                 page_spec_qpdfs.begin();
-             iter != page_spec_qpdfs.end(); ++iter)
-        {
-            std::string const& filename = (*iter).first;
-            ClosedFileInputSource* cis = 0;
-            if (page_spec_cfis.count(filename))
-            {
-                cis = page_spec_cfisfilename;
-                cis->stayOpen(true);
-            }
-            QPDFPageDocumentHelper dh(*((*iter).second));
-            dh.removeUnreferencedResources();
-            if (cis)
-            {
-                cis->stayOpen(false);
-            }
-        }
-    }
-
-    // Clear all pages out of the primary QPDF's pages tree but leave
-    // the objects in place in the file so they can be re-added
-    // without changing their object numbers. This enables other
-    // things in the original file, such as outlines, to continue to
-    // work.
-    if (o.verbose)
-    {
-        std::cout << whoami
-                  << ": removing unreferenced pages from primary input"
-                  << std::endl;
-    }
-    QPDFPageDocumentHelper dh(pdf);
-    std::vector<QPDFPageObjectHelper> orig_pages = dh.getAllPages();
-    for (std::vector<QPDFPageObjectHelper>::iterator iter =
-             orig_pages.begin();
-         iter != orig_pages.end(); ++iter)
-    {
-        dh.removePage(*iter);
-    }
-
-    if (o.collate && (parsed_specs.size() > 1))
-    {
-        // Collate the pages by selecting one page from each spec in
-        // order. When a spec runs out of pages, stop selecting from
-        // it.
-        std::vector<QPDFPageData> new_parsed_specs;
-        size_t nspecs = parsed_specs.size();
-        size_t cur_page = 0;
-        bool got_pages = true;
-        while (got_pages)
-        {
-            got_pages = false;
-            for (size_t i = 0; i < nspecs; ++i)
-            {
-                QPDFPageData& page_data = parsed_specs.at(i);
-                if (cur_page < page_data.selected_pages.size())
-                {
-                    got_pages = true;
-                    new_parsed_specs.push_back(
-                        QPDFPageData(
-                            page_data,
-                            page_data.selected_pages.at(cur_page)));
-                }
-            }
-            ++cur_page;
-        }
-        parsed_specs = new_parsed_specs;
-    }
-
-    // Add all the pages from all the files in the order specified.
-    // Keep track of any pages from the original file that we are
-    // selecting.
-    std::set<int> selected_from_orig;
-    std::vector<QPDFObjectHandle> new_labels;
-    bool any_page_labels = false;
-    int out_pageno = 0;
-    for (std::vector<QPDFPageData>::iterator iter =
-             parsed_specs.begin();
-         iter != parsed_specs.end(); ++iter)
-    {
-        QPDFPageData& page_data = *iter;
-        ClosedFileInputSource* cis = 0;
-        if (page_spec_cfis.count(page_data.filename))
-        {
-            cis = page_spec_cfispage_data.filename;
-            cis->stayOpen(true);
-        }
-        QPDFPageLabelDocumentHelper pldh(*page_data.qpdf);
-        if (pldh.hasPageLabels())
-        {
-            any_page_labels = true;
-        }
-        if (o.verbose)
-        {
-            std::cout << whoami << ": adding pages from "
-                      << page_data.filename << std::endl;
-        }
-        for (std::vector<int>::iterator pageno_iter =
-                 page_data.selected_pages.begin();
-             pageno_iter != page_data.selected_pages.end();
-             ++pageno_iter, ++out_pageno)
-        {
-            // Pages are specified from 1 but numbered from 0 in the
-            // vector
-            int pageno = *pageno_iter - 1;
-            pldh.getLabelsForPageRange(pageno, pageno, out_pageno,
-                                       new_labels);
-            QPDFPageObjectHelper to_copy = page_data.orig_pages.at(pageno);
-            QPDFObjGen to_copy_og = to_copy.getObjectHandle().getObjGen();
-            unsigned long long from_uuid = page_data.qpdf->getUniqueId();
-            if (copied_pagesfrom_uuid.count(to_copy_og))
-            {
-                QTC::TC("qpdf", "qpdf copy same page more than once",
-                        (page_data.qpdf == &pdf) ? 0 : 1);
-                to_copy = to_copy.shallowCopyPage();
-            }
-            else
-            {
-                copied_pagesfrom_uuid.insert(to_copy_og);
-            }
-            dh.addPage(to_copy, false);
-            if (page_data.qpdf == &pdf)
-            {
-                // This is a page from the original file. Keep track
-                // of the fact that we are using it.
-                selected_from_orig.insert(pageno);
-            }
-        }
-        if (cis)
-        {
-            cis->stayOpen(false);
-        }
-    }
-    if (any_page_labels)
-    {
-        QPDFObjectHandle page_labels =
-            QPDFObjectHandle::newDictionary();
-        page_labels.replaceKey(
-            "/Nums", QPDFObjectHandle::newArray(new_labels));
-        pdf.getRoot().replaceKey("/PageLabels", page_labels);
-    }
-
-    // Delete page objects for unused page in primary. This prevents
-    // those objects from being preserved by being referred to from
-    // other places, such as the outlines dictionary.
-    for (size_t pageno = 0; pageno < orig_pages.size(); ++pageno)
-    {
-        if (selected_from_orig.count(pageno) == 0)
-        {
-            pdf.replaceObject(
-                orig_pages.at(pageno).getObjectHandle().getObjGen(),
-                QPDFObjectHandle::newNull());
-        }
-    }
-}
-
-static void handle_rotations(QPDF& pdf, Options& o)
-{
-    QPDFPageDocumentHelper dh(pdf);
-    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-    int npages = static_cast<int>(pages.size());
-    for (std::map<std::string, RotationSpec>::iterator iter =
-             o.rotations.begin();
-         iter != o.rotations.end(); ++iter)
-    {
-        std::string const& range = (*iter).first;
-        RotationSpec const& rspec = (*iter).second;
-        // range has been previously validated
-        std::vector<int> to_rotate =
-            QUtil::parse_numrange(range.c_str(), npages);
-        for (std::vector<int>::iterator i2 = to_rotate.begin();
-             i2 != to_rotate.end(); ++i2)
-        {
-            int pageno = *i2 - 1;
-            if ((pageno >= 0) && (pageno < npages))
-            {
-                pages.at(pageno).rotatePage(rspec.angle, rspec.relative);
-            }
-        }
-    }
-}
-
-static void maybe_fix_write_password(int R, Options& o, std::string& password)
-{
-    switch (o.password_mode)
-    {
-      case pm_bytes:
-        QTC::TC("qpdf", "qpdf password mode bytes");
-        break;
-
-      case pm_hex_bytes:
-        QTC::TC("qpdf", "qpdf password mode hex-bytes");
-        password = QUtil::hex_decode(password);
-        break;
-
-      case pm_unicode:
-      case pm_auto:
-        {
-            bool has_8bit_chars;
-            bool is_valid_utf8;
-            bool is_utf16;
-            QUtil::analyze_encoding(password,
-                                    has_8bit_chars,
-                                    is_valid_utf8,
-                                    is_utf16);
-            if (! has_8bit_chars)
-            {
-                return;
-            }
-            if (o.password_mode == pm_unicode)
-            {
-                if (! is_valid_utf8)
-                {
-                    QTC::TC("qpdf", "qpdf password not unicode");
-                    throw std::runtime_error(
-                        "supplied password is not valid UTF-8");
-                }
-                if (R < 5)
-                {
-                    std::string encoded;
-                    if (! QUtil::utf8_to_pdf_doc(password, encoded))
-                    {
-                        QTC::TC("qpdf", "qpdf password not encodable");
-                        throw std::runtime_error(
-                            "supplied password cannot be encoded for"
-                            " 40-bit or 128-bit encryption formats");
-                    }
-                    password = encoded;
-                }
-            }
-            else
-            {
-                if ((R < 5) && is_valid_utf8)
-                {
-                    std::string encoded;
-                    if (QUtil::utf8_to_pdf_doc(password, encoded))
-                    {
-                        QTC::TC("qpdf", "qpdf auto-encode password");
-                        if (o.verbose)
-                        {
-                            std::cout
-                                << whoami
-                                << ": automatically converting Unicode"
-                                << " password to single-byte encoding as"
-                                << " required for 40-bit or 128-bit"
-                                << " encryption" << std::endl;
-                        }
-                        password = encoded;
-                    }
-                    else
-                    {
-                        QTC::TC("qpdf", "qpdf bytes fallback warning");
-                        std::cerr
-                            << whoami << ": WARNING: "
-                            << "supplied password looks like a Unicode"
-                            << " password with characters not allowed in"
-                            << " passwords for 40-bit and 128-bit encryption;"
-                            << " most readers will not be able to open this"
-                            << " file with the supplied password."
-                            << " (Use --password-mode=bytes to suppress this"
-                            << " warning and use the password anyway.)"
-                            << std::endl;
-                    }
-                }
-                else if ((R >= 5) && (! is_valid_utf8))
-                {
-                    QTC::TC("qpdf", "qpdf invalid utf-8 in auto");
-                    throw std::runtime_error(
-                        "supplied password is not a valid Unicode password,"
-                        " which is required for 256-bit encryption; to"
-                        " really use this password, rerun with the"
-                        " --password-mode=bytes option");
-                }
-            }
-        }
-        break;
-    }
-}
-
-static void set_encryption_options(QPDF& pdf, Options& o, QPDFWriter& w)
-{
-    int R = 0;
-    if (o.keylen == 40)
-    {
-        R = 2;
-    }
-    else if (o.keylen == 128)
-    {
-        if (o.force_V4 || o.cleartext_metadata || o.use_aes)
-        {
-            R = 4;
-        }
-        else
-        {
-            R = 3;
-        }
-    }
-    else if (o.keylen == 256)
-    {
-        if (o.force_R5)
-        {
-            R = 5;
-        }
-        else
-        {
-            R = 6;
-        }
-    }
-    else
-    {
-        throw std::logic_error("bad encryption keylen");
-    }
-    if ((R > 3) && (o.r3_accessibility == false))
-    {
-        std::cerr << whoami
-                  << ": -accessibility=n is ignored for modern"
-                  << " encryption formats" << std::endl;
-    }
-    maybe_fix_write_password(R, o, o.user_password);
-    maybe_fix_write_password(R, o, o.owner_password);
-    switch (R)
-    {
-      case 2:
-        w.setR2EncryptionParameters(
-            o.user_password.c_str(), o.owner_password.c_str(),
-            o.r2_print, o.r2_modify, o.r2_extract, o.r2_annotate);
-        break;
-      case 3:
-        w.setR3EncryptionParameters(
-            o.user_password.c_str(), o.owner_password.c_str(),
-            o.r3_accessibility, o.r3_extract,
-            o.r3_assemble, o.r3_annotate_and_form,
-            o.r3_form_filling, o.r3_modify_other,
-            o.r3_print);
-        break;
-      case 4:
-        w.setR4EncryptionParameters(
-            o.user_password.c_str(), o.owner_password.c_str(),
-            o.r3_accessibility, o.r3_extract,
-            o.r3_assemble, o.r3_annotate_and_form,
-            o.r3_form_filling, o.r3_modify_other,
-            o.r3_print, !o.cleartext_metadata, o.use_aes);
-        break;
-      case 5:
-        w.setR5EncryptionParameters(
-            o.user_password.c_str(), o.owner_password.c_str(),
-            o.r3_accessibility, o.r3_extract,
-            o.r3_assemble, o.r3_annotate_and_form,
-            o.r3_form_filling, o.r3_modify_other,
-            o.r3_print, !o.cleartext_metadata);
-        break;
-      case 6:
-        w.setR6EncryptionParameters(
-            o.user_password.c_str(), o.owner_password.c_str(),
-            o.r3_accessibility, o.r3_extract,
-            o.r3_assemble, o.r3_annotate_and_form,
-            o.r3_form_filling, o.r3_modify_other,
-            o.r3_print, !o.cleartext_metadata);
-        break;
-      default:
-        throw std::logic_error("bad encryption R value");
-        break;
-    }
-}
-
-static void set_writer_options(QPDF& pdf, Options& o, QPDFWriter& w)
-{
-    if (o.qdf_mode)
-    {
-        w.setQDFMode(true);
-    }
-    if (o.preserve_unreferenced_objects)
-    {
-        w.setPreserveUnreferencedObjects(true);
-    }
-    if (o.newline_before_endstream)
-    {
-        w.setNewlineBeforeEndstream(true);
-    }
-    if (o.normalize_set)
-    {
-        w.setContentNormalization(o.normalize);
-    }
-    if (o.stream_data_set)
-    {
-        w.setStreamDataMode(o.stream_data_mode);
-    }
-    if (o.compress_streams_set)
-    {
-        w.setCompressStreams(o.compress_streams);
-    }
-    if (o.decode_level_set)
-    {
-        w.setDecodeLevel(o.decode_level);
-    }
-    if (o.decrypt)
-    {
-        w.setPreserveEncryption(false);
-    }
-    if (o.deterministic_id)
-    {
-        w.setDeterministicID(true);
-    }
-    if (o.static_id)
-    {
-        w.setStaticID(true);
-    }
-    if (o.static_aes_iv)
-    {
-        w.setStaticAesIV(true);
-    }
-    if (o.suppress_original_object_id)
-    {
-        w.setSuppressOriginalObjectIDs(true);
-    }
-    if (o.copy_encryption)
-    {
-        PointerHolder<QPDF> encryption_pdf =
-            process_file(
-                o.encryption_file, o.encryption_file_password, o);
-        w.copyEncryptionParameters(*encryption_pdf);
-    }
-    if (o.encrypt)
-    {
-        set_encryption_options(pdf, o, w);
-    }
-    if (o.linearize)
-    {
-        w.setLinearization(true);
-    }
-    if (! o.linearize_pass1.empty())
-    {
-        w.setLinearizationPass1Filename(o.linearize_pass1);
-    }
-    if (o.object_stream_set)
-    {
-        w.setObjectStreamMode(o.object_stream_mode);
-    }
-    if (! o.min_version.empty())
-    {
-        std::string version;
-        int extension_level = 0;
-        parse_version(o.min_version, version, extension_level);
-        w.setMinimumPDFVersion(version, extension_level);
-    }
-    if (! o.force_version.empty())
-    {
-        std::string version;
-        int extension_level = 0;
-        parse_version(o.force_version, version, extension_level);
-        w.forcePDFVersion(version, extension_level);
-    }
-    if (o.progress && o.outfilename)
-    {
-        w.registerProgressReporter(new ProgressReporter(o.outfilename));
-    }
-}
-
-static void write_outfile(QPDF& pdf, Options& o)
-{
-    if (o.split_pages)
-    {
-        // Generate output file pattern
-        std::string before;
-        std::string after;
-        size_t len = strlen(o.outfilename);
-        char* num_spot = strstr(const_cast<char*>(o.outfilename), "%d");
-        if (num_spot != 0)
-        {
-            QTC::TC("qpdf", "qpdf split-pages %d");
-            before = std::string(o.outfilename, (num_spot - o.outfilename));
-            after = num_spot + 2;
-        }
-        else if ((len >= 4) &&
-                 (QUtil::strcasecmp(o.outfilename + len - 4, ".pdf") == 0))
-        {
-            QTC::TC("qpdf", "qpdf split-pages .pdf");
-            before = std::string(o.outfilename, len - 4) + "-";
-            after = o.outfilename + len - 4;
-        }
-        else
-        {
-            QTC::TC("qpdf", "qpdf split-pages other");
-            before = std::string(o.outfilename) + "-";
-        }
-
-        if (! o.preserve_unreferenced_page_resources)
-        {
-            QPDFPageDocumentHelper dh(pdf);
-            dh.removeUnreferencedResources();
-        }
-        QPDFPageLabelDocumentHelper pldh(pdf);
-        std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
-        int pageno_len = QUtil::int_to_string(pages.size()).length();
-        unsigned int num_pages = pages.size();
-        for (unsigned int i = 0; i < num_pages; i += o.split_pages)
-        {
-            unsigned int first = i + 1;
-            unsigned int last = i + o.split_pages;
-            if (last > num_pages)
-            {
-                last = num_pages;
-            }
-            QPDF outpdf;
-            outpdf.emptyPDF();
-            for (unsigned int pageno = first; pageno <= last; ++pageno)
-            {
-                QPDFObjectHandle page = pages.at(pageno - 1);
-                outpdf.addPage(page, false);
-            }
-            if (pldh.hasPageLabels())
-            {
-                std::vector<QPDFObjectHandle> labels;
-                pldh.getLabelsForPageRange(first - 1, last - 1, 0, labels);
-                QPDFObjectHandle page_labels =
-                    QPDFObjectHandle::newDictionary();
-                page_labels.replaceKey(
-                    "/Nums", QPDFObjectHandle::newArray(labels));
-                outpdf.getRoot().replaceKey("/PageLabels", page_labels);
-            }
-            std::string page_range = QUtil::int_to_string(first, pageno_len);
-            if (o.split_pages > 1)
-            {
-                page_range += "-" + QUtil::int_to_string(last, pageno_len);
-            }
-            std::string outfile = before + page_range + after;
-            QPDFWriter w(outpdf, outfile.c_str());
-            set_writer_options(outpdf, o, w);
-            w.write();
-            if (o.verbose)
-            {
-                std::cout << whoami << ": wrote file " << outfile << std::endl;
-            }
-        }
-    }
-    else
-    {
-        if (strcmp(o.outfilename, "-") == 0)
-        {
-            o.outfilename = 0;
-        }
-        QPDFWriter w(pdf, o.outfilename);
-        set_writer_options(pdf, o, w);
-        w.write();
-        if (o.verbose)
-        {
-            std::cout << whoami << ": wrote file "
-                      << o.outfilename << std::endl;
-        }
-    }
-}
-
-int realmain(int argc, char* argv)
+int
+realmain(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
     QUtil::setLineBuf(stdout);
 
-    // Remove prefix added by libtool for consistency during testing.
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-
-    // ArgParser must stay in scope for the duration of qpdf's run as
-    // it holds dynamic memory used for argv.
-    Options o;
-    ArgParser ap(argc, argv, o);
-    ap.parseOptions();
-
-    try
-    {
-	PointerHolder<QPDF> pdf_ph =
-            process_file(o.infilename, o.password, o);
-        QPDF& pdf = *pdf_ph;
-        if (! o.page_specs.empty())
-        {
-            handle_page_specs(pdf, o);
-        }
-        if (! o.rotations.empty())
-        {
-            handle_rotations(pdf, o);
-        }
-        handle_under_overlay(pdf, o);
-        handle_transformations(pdf, o);
-
-	if (o.outfilename == 0)
-	{
-            do_inspection(pdf, o);
-	}
-	else
-	{
-            write_outfile(pdf, o);
-	}
-	if (! pdf.getWarnings().empty())
-	{
-            if (! o.suppress_warnings)
-            {
-                std::cerr << whoami << ": operation succeeded with warnings;"
-                          << " resulting file may have some problems"
-                          << std::endl;
-            }
-            // Still exit with warning code even if warnings were suppressed.
-            exit(EXIT_WARNING);
-	}
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(EXIT_ERROR);
+    QPDFJob j;
+    try {
+        // See "HOW TO ADD A COMMAND-LINE ARGUMENT" in README-maintainer.
+        j.initializeFromArgv(argv);
+        j.run();
+    } catch (QPDFUsage& e) {
+        usageExit(e.what());
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        return QPDFJob::EXIT_ERROR;
     }
-
-    return 0;
+    return j.getExitCode();
 }
 
 #ifdef WINDOWS_WMAIN
 
-extern "C"
-int wmain(int argc, wchar_t* argv)
+extern "C" int
+wmain(int argc, wchar_t* argv)
 {
-    // If wmain is supported, argv contains UTF-16-encoded strings
-    // with a 16-bit wchar_t. Convert this to UTF-8-encoded strings
-    // for compatibility with other systems. That way the rest of
-    // qpdf.cc can just act like arguments are UTF-8.
-    std::vector<PointerHolder<char> > utf8_argv;
-    for (int i = 0; i < argc; ++i)
-    {
-        std::string utf16;
-        for (size_t j = 0; j < wcslen(argvi); ++j)
-        {
-            unsigned short codepoint = static_cast<unsigned short>(argvij);
-            utf16.append(1, static_cast<unsigned char>(codepoint >> 8));
-            utf16.append(1, static_cast<unsigned char>(codepoint & 0xff));
-        }
-        std::string utf8 = QUtil::utf16_to_utf8(utf16);
-        utf8_argv.push_back(
-            PointerHolder<char>(true, QUtil::copy_string(utf8.c_str())));
-    }
-    PointerHolder<char*> utf8_argv_ph =
-        PointerHolder<char*>(true, new char*1+utf8_argv.size());
-    char** new_argv = utf8_argv_ph.getPointer();
-    for (size_t i = 0; i < utf8_argv.size(); ++i)
-    {
-        new_argvi = utf8_argv.at(i).getPointer();
-    }
-    argc = static_cast<int>(utf8_argv.size());
-    new_argvargc = 0;
-    return realmain(argc, new_argv);
+    return QUtil::call_main_from_wmain(argc, argv, realmain);
 }
 
 #else
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     return realmain(argc, argv);
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qpdf.testcov -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qpdf.testcov Changed

@@ -27,7 +27,6 @@
 QPDF lin nshared_total > nshared_first_page 1
 QPDF lin part 8 empty 1
 QPDF lin check shared past first page 0
-QPDFWriter flatten array null 0
 main QTest implicit 0
 main QTest indirect 1
 main QTest null 0
@@ -57,38 +56,31 @@
 QPDF trailer lacks size 0
 QPDF trailer size not integer 0
 QPDF trailer prev not integer 0
-QPDFObjectHandle bad brace 0
-QPDFObjectHandle bad array close 0
+QPDFParser bad brace 0
+QPDFParser bad array close 0
 QPDF stream without length 0
 QPDF stream length not integer 0
 QPDF missing endstream 0
-QPDFObjectHandle bad dictionary close 0
+QPDFParser bad dictionary close 0
 QPDF can't find xref 0
 QPDFTokenizer bad ) 0
 QPDFTokenizer bad > 0
 QPDFTokenizer bad hexstring character 0
+QPDFTokenizer bad hexstring 2nd character 0
 QPDFTokenizer null in name 0
-QPDFTokenizer bad name 0
+QPDFTokenizer bad name 1 0
+QPDFTokenizer bad name 2 0
 QPDF_Stream invalid filter 0
 QPDF UseOutlines but no Outlines 0
-QPDFObjectHandle clone bool 0
-QPDFObjectHandle clone null 0
-QPDFObjectHandle clone integer 0
-QPDFObjectHandle clone real 0
-QPDFObjectHandle clone name 0
-QPDFObjectHandle clone string 0
-QPDFObjectHandle clone array 0
-QPDFObjectHandle clone dictionary 0
 QPDFObjectHandle makeDirect loop 0
-QPDFObjectHandle ERR clone stream 0
-QPDFTokenizer allow pound anywhere in name 0
+QPDFObjectHandle copy stream 1
 QPDF default for xref stream field 0 0
 QPDF prev key in xref stream dictionary 0
 QPDF prev key in trailer dictionary 0
 QPDF found xref stream 0
 QPDF ignoring XRefStm in trailer 0
 QPDF xref deleted object 0
-QPDF_Stream PNG filter 0
+SF_FlateLzwDecode PNG filter 0
 QPDF xref /Index is null 0
 QPDF xref /Index is array 1
 QPDFWriter copy Extends 0
@@ -107,7 +99,7 @@
 QPDF_Stream pipeStreamData with null pipeline 0
 QPDFWriter not recompressing /FlateDecode 0
 QPDF_encryption xref stream from encrypted file 0
-qpdf unable to filter 0
+QPDFJob unable to filter 0
 QUtil non-trivial UTF-16 0
 QPDF xref overwrite object 0
 QPDF decoding error warning 0
@@ -132,8 +124,8 @@
 qpdf-c called qpdf_set_static_ID 0
 qpdf-c called qpdf_set_suppress_original_object_IDs 0
 qpdf-c called qpdf_set_preserve_encryption 0
-qpdf-c called qpdf_set_r2_encryption_parameters 0
-qpdf-c called qpdf_set_r3_encryption_parameters 0
+qpdf-c called qpdf_set_r2_encryption_parameters_insecure 0
+qpdf-c called qpdf_set_r3_encryption_parameters_insecure 0
 qpdf-c called qpdf_set_linearization 0
 qpdf-c called qpdf_write 1
 qpdf-c called qpdf_allow_accessibility 0
@@ -160,7 +152,7 @@
 QPDF_encryption aes decode stream 0
 QPDFWriter forcing object stream disable 0
 QPDFWriter forced version disabled encryption 0
-qpdf-c called qpdf_set_r4_encryption_parameters 0
+qpdf-c called qpdf_set_r4_encryption_parameters_insecure 0
 qpdf-c called qpdf_set_static_aes_IV 0
 QPDF_encryption stream crypt filter 0
 QPDF ERR object stream with wrong type 0
@@ -195,16 +187,12 @@
 exercise processFile(name) 0
 exercise processFile(FILE*) 0
 exercise processMemoryFile 0
-QPDF duplicate page reference 0
 QPDF remove page 2
 QPDF insert page 2
 QPDF updateAllPagesCache 0
 QPDF insert non-indirect page 0
 QPDF insert indirect page 0
 QPDFObjectHandle ERR shallow copy stream 0
-QPDFObjectHandle shallow copy array 0
-QPDFObjectHandle shallow copy dictionary 0
-QPDFObjectHandle shallow copy scalar 0
 QPDFObjectHandle newStream with string 0
 QPDF unknown key not inherited 0
 QPDF_Stream provider length not provided 0
@@ -227,16 +215,15 @@
 QPDF insert foreign page 0
 QPDFWriter foreign object 0
 QPDFWriter copy use_aes 1
-QPDFObjectHandle indirect without context 0
+QPDFParser indirect without context 0
 QPDFObjectHandle trailing data in parse 0
-qpdf pages encryption password 0
+QPDFJob pages encryption password 0
 QPDFTokenizer EOF reading token 0
 QPDFTokenizer EOF reading appendable token 0
 QPDFWriter extra header text no newline 0
 QPDFWriter extra header text add newline 0
 QPDF bogus 0 offset 0
 QPDF global offset 0
-QPDFWriter make stream key direct 0
 QPDFWriter copy V5 0
 QPDFWriter increasing extension level 0
 QPDFWriter make Extensions direct 0
@@ -259,30 +246,27 @@
 QPDFWriter original obj non-zero gen 0
 QPDF_optimization indirect outlines 0
 QPDF xref space 2
-qpdf pages range omitted at end 0
-qpdf pages range omitted in middle 0
-qpdf npages 0
+QPDFJob pages range omitted at end 1
+QPDFJob pages range omitted in middle 0
+QPDFJob npages 0
 QPDF already reserved object 0
 QPDFWriter standard deterministic ID 1
 QPDFWriter linearized deterministic ID 1
 QPDFWriter deterministic with no data 0
 qpdf-c called qpdf_set_deterministic_ID 0
-QPDFObjectHandle indirect with 0 objid 0
+QPDFParser indirect with 0 objid 0
 QPDF object id 0 0
 QPDF recursion loop in resolve 0
-QPDFObjectHandle treat word as string 0
-QPDFObjectHandle found fake 1
-QPDFObjectHandle no val for last key 0
+QPDFParser treat word as string 0
+QPDFParser found fake 1
+QPDFParser no val for last key 0
 QPDF resolve failure to null 0
 QPDFWriter preserve unreferenced standard 0
 QPDFObjectHandle errors in parsecontent 0
-QPDF stream with non-space 0
-qpdf same file error 0
-qpdf read args from stdin 0
-qpdf read args from file 0
-qpdf split-pages %d 0
-qpdf split-pages .pdf 0
-qpdf split-pages other 0
+QPDFJob same file error 0
+QPDFJob split-pages %d 0
+QPDFJob split-pages .pdf 0
+QPDFJob split-pages other 0
 QPDFTokenizer allowing bad token 0
 QPDF ignore first space in xref entry 0
 QPDF ignore first extra space in xref entry 0
@@ -297,15 +281,15 @@
 qpdf-c called qpdf_set_compress_streams 0
 qpdf-c called qpdf_set_preserve_unreferenced_objects 0
 qpdf-c called qpdf_set_newline_before_endstream 0
-QPDF_Stream TIFF predictor 0
+SF_FlateLzwDecode TIFF predictor 0
 QPDFTokenizer inline image at EOF 0
 Pl_QPDFTokenizer found ID 0
 QPDFObjectHandle non-stream in stream array 0
 QPDFObjectHandle coalesce called on stream 0
 QPDFObjectHandle coalesce provide stream data 0
 QPDF_Stream bad token at end during normalize 0
-QPDFObjectHandle bad token in parse 0
-QPDFObjectHandle eof in parseInternal 0
+QPDFParser bad token in parse 0
+QPDFParser eof in parse 0
 QPDFObjectHandle array bounds 0
 QPDFObjectHandle boolean returning false 0
 QPDFObjectHandle integer returning 0 0
@@ -329,25 +313,25 @@
 QPDFObjectHandle dictionary empty map for asMap 0
 QPDFObjectHandle dictionary ignoring replaceKey 0
 QPDFObjectHandle dictionary ignoring removeKey 0
-QPDFObjectHandle dictionary ignoring removereplace 0
 QPDFObjectHandle numeric non-numeric 0
 QPDFObjectHandle erase array bounds 0
 qpdf-c called qpdf_check_pdf 0
 QPDF xref loop 0
-QPDFObjectHandle too deep 0
+QPDFParser too deep 0
 QPDFFormFieldObjectHelper non-trivial inheritance 0
 QPDFFormFieldObjectHelper non-trivial qualified name 0
 QPDFFormFieldObjectHelper TU present 0
 QPDFFormFieldObjectHelper TM present 0
 QPDFFormFieldObjectHelper TU absent 0
 QPDFFormFieldObjectHelper TM absent 0
-QPDFFormFieldObjectHelper Q present 0
+QPDFFormFieldObjectHelper Q present 1
+QPDFFormFieldObjectHelper DA present 1
 QPDFAnnotationObjectHelper AS present 0
 QPDFAnnotationObjectHelper AS absent 0
 QPDFAnnotationObjectHelper AP stream 0
 QPDFAnnotationObjectHelper AP dictionary 0
-QPDFAnnotationObjectHelper AN sub stream 0
-QPDFAnnotationObjectHelper AN null 0
+QPDFAnnotationObjectHelper AP sub stream 0
+QPDFAnnotationObjectHelper AP null 0
 QPDFAcroFormDocumentHelper fields not array 0
 QPDFAcroFormDocumentHelper orphaned widget 0
 QPDFAcroFormDocumentHelper direct field 0
@@ -355,10 +339,9 @@
 QPDFAcroFormDocumentHelper loop 0
 QPDFAcroFormDocumentHelper field found 1
 QPDFAcroFormDocumentHelper annotation found 1
-qpdf disable keep files open 0
-qpdf keep files open n 0
-qpdf keep files open y 0
-qpdf don't disable keep files open 0
+QPDFJob keep files open n 0
+QPDFJob keep files open y 0
+QPDFJob automatically set keep files open 1
 QPDFPageLabelDocumentHelper skip first 0
 QPDFOutlineObjectHelper direct dest 0
 QPDFOutlineObjectHelper action dest 0
@@ -366,8 +349,6 @@
 QPDFOutlineDocumentHelper name named dest 0
 QPDFOutlineDocumentHelper string named dest 0
 QPDFOutlineObjectHelper loop 0
-qpdf required parameter 0
-qpdf required choices 0
 QPDFObjectHandle merge top type mismatch 0
 QPDFObjectHandle merge shallow copy 0
 QPDFObjectHandle merge array 0
@@ -389,7 +370,7 @@
 QPDFAnnotationObjectHelper forbidden flags 0
 QPDFAnnotationObjectHelper missing required flags 0
 QPDFFormFieldObjectHelper set parent radio button 0
-QPDFFormFieldObjectHelper radio button grandkid widget 0
+QPDFFormFieldObjectHelper radio button grandkid 0
 QPDFFormFieldObjectHelper turn on radio button 0
 QPDFFormFieldObjectHelper turn off radio button 0
 QPDFFormFieldObjectHelper checkbox kid widget 0
@@ -401,41 +382,299 @@
 QPDFFormFieldObjectHelper list first too low 0
 QPDFFormFieldObjectHelper list last too high 0
 QPDF detected dangling ref 0
-qpdf image optimize no pipeline 0
-qpdf image optimize no shrink 0
-qpdf image optimize too small 0
+QPDFJob image optimize no pipeline 0
+QPDFJob image optimize no shrink 0
+QPDFJob image optimize too small 0
 QPDFFormFieldObjectHelper WinAnsi 0
-QPDF_encryption attachment stream 0
 QPDF pipe foreign encrypted stream 0
 QPDF copy foreign stream with provider 0
 QPDF copy foreign stream with buffer 0
 QPDF immediate copy stream data 0
-qpdf copy same page more than once 1
+QPDFJob copy same page more than once 1
 QPDFPageObjectHelper bad token finding names 0
-qpdf password mode bytes 0
-qpdf password mode hex-bytes 0
-qpdf password not unicode 0
-qpdf password not encodable 0
-qpdf auto-encode password 0
-qpdf bytes fallback warning 0
-qpdf invalid utf-8 in auto 0
-qpdf input password hex-bytes 0
+QPDFJob password mode bytes 0
+QPDFJob password mode hex-bytes 0
+QPDFJob password not unicode 0
+QPDFJob password not encodable 0
+QPDFJob auto-encode password 0
+QPDFJob bytes fallback warning 0
+QPDFJob invalid utf-8 in auto 0
+QPDFJob input password hex-bytes 0
 QPDFPageDocumentHelper ignore annotation with no appearance 0
 QPDFFormFieldObjectHelper create AS from scratch 0
 QPDFFormFieldObjectHelper create AP from scratch 0
 QPDFFormFieldObjectHelper replaced BMC at EOF 0
 QPDFFormFieldObjectHelper fallback Tf 0
 QPDFPageObjectHelper non-trivial inheritance 0
-QPDFPageObjectHelper copy shared attribute 0
-qpdf from_nr from repeat_nr 0
+QPDFPageObjectHelper copy shared attribute 1
+QPDFJob from_nr from repeat_nr 0
 QPDF resolve duplicated page object 0
 QPDF handle direct page object 0
 QPDFTokenizer finder found wrong word 0
-QPDFTokenizer found EI the old way 0
 QPDFTokenizer found EI by byte count 0
-QPDFTokenizer inline image at EOF the old way 0
 QPDFTokenizer found EI after more than one try 0
 QPDFPageObjectHelper externalize inline image 0
 QPDFPageObjectHelper keep inline image 0
-qpdf image optimize colorspace 0
-qpdf image optimize bits per component 0
+QPDFJob image optimize colorspace 0
+QPDFJob image optimize bits per component 0
+QPDFWriter remove empty DecodeParms 0
+QPDFObjectHandle uint returning 0 0
+QPDFObjectHandle int returning INT_MIN 0
+QPDFObjectHandle int returning INT_MAX 0
+QPDFObjectHandle uint returning UINT_MAX 0
+QPDFObjectHandle uint uint returning 0 0
+QPDF xref skipped space 0
+QPDF eof skipping spaces before xref 1
+QPDF_encryption user matches owner V < 5 0
+QPDF_encryption same password 1
+QPDFWriter stream in ostream 0
+QPDFParser duplicate dict key 0
+QPDFWriter no encryption sig contents 0
+QPDFPageObjectHelper colorspace lookup 0
+QPDFWriter ignore XRef in qdf mode 0
+QPDFPageObjectHelper filter form xobject 0
+QPDFJob found resources in non-leaf 0
+QPDFJob found shared resources in leaf 0
+QPDFJob found shared xobject in leaf 0
+QPDF copy foreign with data 1
+QPDF copy foreign with foreign_stream 1
+QPDFObjectHandle need_newline 1
+QPDFJob pages range omitted with . 0
+qpdf-c invalid object handle 0
+qpdf-c called qpdf_oh_release 0
+qpdf-c called qpdf_oh_release_all 0
+qpdf-c called qpdf_new_object 0
+qpdf-c called qpdf_get_trailer 0
+qpdf-c called qpdf_get_root 0
+qpdf-c called qpdf_oh_is_bool 0
+qpdf-c called qpdf_oh_is_null 0
+qpdf-c called qpdf_oh_is_integer 0
+qpdf-c called qpdf_oh_is_real 0
+qpdf-c called qpdf_oh_is_name 0
+qpdf-c called qpdf_oh_is_string 0
+qpdf-c called qpdf_oh_is_operator 0
+qpdf-c called qpdf_oh_is_inline_image 0
+qpdf-c called qpdf_oh_is_array 0
+qpdf-c called qpdf_oh_is_dictionary 0
+qpdf-c called qpdf_oh_is_stream 0
+qpdf-c called qpdf_oh_is_indirect 0
+qpdf-c called qpdf_oh_is_scalar 0
+qpdf-c called qpdf_oh_is_name_and_equals 0
+qpdf-c called qpdf_oh_is_dictionary_of_type 0
+qpdf-c called qpdf_oh_get_type_code 0
+qpdf-c called qpdf_oh_get_type_name 0
+qpdf-c array to wrap_in_array 0
+qpdf-c non-array to wrap_in_array 0
+qpdf-c called qpdf_oh_parse 0
+qpdf-c called qpdf_oh_get_bool_value 0
+qpdf-c called qpdf_oh_get_value_as_bool 0
+qpdf-c called qpdf_oh_get_int_value 0
+qpdf-c called qpdf_oh_get_value_as_longlong 0
+qpdf-c called qpdf_oh_get_int_value_as_int 0
+qpdf-c called qpdf_oh_get_value_as_int 0
+qpdf-c called qpdf_oh_get_uint_value 0
+qpdf-c called qpdf_oh_get_value_as_ulonglong 0
+qpdf-c called qpdf_oh_get_uint_value_as_uint 0
+qpdf-c called qpdf_oh_get_value_as_uint 0
+qpdf-c called qpdf_oh_get_real_value 0
+qpdf-c called qpdf_oh_get_value_as_real 0
+qpdf-c called qpdf_oh_is_number 0
+qpdf-c called qpdf_oh_get_value_as_number 0
+qpdf-c called qpdf_oh_get_numeric_value 0
+qpdf-c called qpdf_oh_get_name 0
+qpdf-c called qpdf_oh_get_value_as_name 0
+qpdf-c called qpdf_oh_get_string_value 0
+qpdf-c called qpdf_oh_get_value_as_string 0
+qpdf-c called qpdf_oh_get_utf8_value 0
+qpdf-c called qpdf_oh_get_value_as_utf8 0
+qpdf-c called qpdf_oh_get_array_n_items 0
+qpdf-c called qpdf_oh_get_array_item 0
+qpdf-c called qpdf_oh_begin_dict_key_iter 0
+qpdf-c called qpdf_oh_dict_more_keys 0
+qpdf-c called qpdf_oh_dict_next_key 0
+qpdf-c called qpdf_oh_has_key 0
+qpdf-c called qpdf_oh_get_key 0
+qpdf-c called qpdf_oh_get_key_if_dict 0
+qpdf-c called qpdf_oh_is_or_has_name 0
+qpdf-c called qpdf_oh_new_null 0
+qpdf-c called qpdf_oh_new_bool 0
+qpdf-c called qpdf_oh_new_integer 0
+qpdf-c called qpdf_oh_new_real_from_string 0
+qpdf-c called qpdf_oh_new_real_from_double 0
+qpdf-c called qpdf_oh_new_name 0
+qpdf-c called qpdf_oh_new_string 0
+qpdf-c called qpdf_oh_new_unicode_string 0
+qpdf-c called qpdf_oh_new_array 0
+qpdf-c called qpdf_oh_new_dictionary 0
+qpdf-c called qpdf_oh_make_direct 0
+qpdf-c called qpdf_oh_set_array_item 0
+qpdf-c called qpdf_oh_insert_item 0
+qpdf-c called qpdf_oh_append_item 0
+qpdf-c called qpdf_oh_erase_item 0
+qpdf-c called qpdf_oh_replace_key 0
+qpdf-c called qpdf_oh_remove_key 0
+qpdf-c called qpdf_oh_replace_or_remove_key 0
+qpdf-c called qpdf_oh_get_dict 0
+qpdf-c called qpdf_oh_get_object_id 0
+qpdf-c called qpdf_oh_get_generation 0
+qpdf-c called qpdf_oh_unparse 0
+qpdf-c called qpdf_oh_unparse_resolved 0
+qpdf-c called qpdf_oh_unparse_binary 0
+QPDFWriter getFilterOnWrite false 0
+QPDFPageObjectHelper::forEachXObject 3
+NNTree deepen: invalid node 0
+NNTree deepen: loop 0
+NNTree skip invalid kid 0
+NNTree skip item at end of short items 0
+NNTree skip invalid key 0
+NNTree no valid items node in insertFirst 0
+NNTree deepen found empty 0
+NNTree insert inserts first 0
+NNTree insert replaces 0
+NNTree insert inserts after 0
+NNTree unable to determine limits 0
+NNTree warn indirect kid 0
+NNTree fix indirect kid 0
+NNTree repair 0
+NNTree split root + leaf 0
+NNTree split root + !leaf 0
+NNTree split kids 0
+NNTree split items 0
+NNTree split second half item 0
+NNTree split parent 0
+NNTree split second half kid 0
+NNTree missing limits 0
+NNTree item is wrong type 0
+NNTree kid is invalid 0
+NNTree loop in find 0
+NNTree -1 in binary search 0
+NNTree bad node during find 0
+NNTree node is not a dictionary 0
+NNTree limits didn't change 0
+NNTree increment end() 0
+NNTree insertAfter inserts first 0
+NNTree remove not found 0
+NNTree remove reset limits 0
+NNTree erased last item 0
+NNTree erased non-last item 0
+NNTree items is empty after remove 0
+NNTree erased all items on leaf/root 0
+NNTree erased first or last kid 0
+NNTree erased last kid 0
+NNTree erased non-last kid 0
+NNTree non-flat tree is empty after remove 0
+NNTree remove walking up tree 0
+NNTree erased last item in tree 0
+NNTree remove limits from root 0
+QPDFPageObjectHelper unresolved names 0
+QPDFPageObjectHelper resolving unresolved 0
+QPDFFileSpecObjectHelper empty compat_name 0
+QPDFFileSpecObjectHelper non-empty compat_name 0
+QPDFPageObjectHelper flatten inherit rotate 0
+QPDFAcroFormDocumentHelper copy annotation 3
+QPDFAcroFormDocumentHelper field with parent 3
+QPDFAcroFormDocumentHelper modify ap matrix 0
+QPDFJob copy form fields in split_pages 0
+QPDFJob keep some fields in pages 0
+QPDFJob pages keeping field from original 0
+QPDFJob no more fields in pages 0
+QPDFObjectHandle merge reuse 0
+QPDFObjectHandle merge generate 0
+QPDFFormFieldObjectHelper get font from /DR 0
+QPDFAcroFormDocumentHelper override da 0
+QPDFAcroFormDocumentHelper override q 0
+QPDFAcroFormDocumentHelper replaced DA token 0
+QPDFAcroFormDocumentHelper ap conflict 0
+QPDFAcroFormDocumentHelper ap rename 0
+QPDFAcroFormDocumentHelper /DA parse error 0
+QPDFAcroFormDocumentHelper AP parse error 0
+QPDFJob copy fields not this file 0
+QPDFJob copy fields non-first from orig 0
+QPDF resolve duplicated page in insert 0
+QPDFWriter preserve object streams 1
+QPDFWriter exclude from object stream 0
+QPDF_pages findPage not found 0
+QPDFJob overlay page with no resources 0
+QPDFObjectHandle check ownership 0
+QPDFJob weak crypto error 0
+qpdf-c called qpdf_oh_is_initialized 0
+qpdf-c registered progress reporter 0
+qpdf-c called qpdf_oh_new_uninitialized 0
+qpdf-c warn about oh error 1
+qpdf-c cleanup warned about unhandled error 0
+qpdf-c called qpdf_get_object_by_id 0
+qpdf-c called qpdf_replace_object 0
+qpdf-c called qpdf_num_pages 0
+qpdf-c called qpdf_get_page_n 0
+qpdf-c called qpdf_update_all_pages_cache 0
+qpdf-c called qpdf_find_page_by_id 0
+qpdf-c called qpdf_find_page_by_oh 0
+qpdf-c called qpdf_push_inherited_attributes_to_page 0
+qpdf-c called qpdf_add_page 0
+qpdf-c called qpdf_add_page_at 0
+qpdf-c called qpdf_remove_page 0
+qpdf-c called qpdf_oh_new_stream 0
+qpdf-c called qpdf_oh_copy_foreign_object 0
+qpdf-c stream data filtered set 1
+qpdf-c stream data buf set 1
+qpdf-c called qpdf_oh_get_page_content_data 0
+qpdf-c called qpdf_oh_replace_stream_data 0
+qpdf-c silence oh errors 0
+qpdf-c called qpdf_oh_get_binary_string_value 0
+qpdf-c called qpdf_oh_get_binary_utf8_value 0
+qpdf-c called qpdf_oh_new_binary_string 0
+qpdf-c called qpdf_oh_new_binary_unicode_string 0
+QPDFJob duplicated pages password 0
+QPDFJob misplaced pages password 0
+QPDFJob check encrypted encrypted 0
+QPDFJob check encrypted not encrypted 0
+QPDFJob check password password incorrect 0
+QPDFJob check password password correct 0
+QPDFJob check password not encrypted 0
+QPDFJob_config password file 0
+QPDFJob_config password stdin 0
+QPDFJob json bare not empty 0
+QPDFJob json choice mismatch 0
+QPDFJob json choice match 0
+QPDFJob json encrypt no key length 0
+QPDFJob json encrypt duplicate key length 0
+QPDFJob json encrypt missing password 0
+QPDFJob json pages no file 0
+qpdf-c called qpdf_empty_pdf 0
+QPDF_json missing qpdf 0
+QPDF_json missing pdf version 0
+QPDF_json top-level scalar 0
+QPDF_json bad pdf version 0
+QPDF_json top-level array 0
+QPDF_json bad object key 0
+QPDF_json trailer stream 0
+QPDF_json missing trailer 0
+QPDF_json missing objects 0
+QPDF_json ignoring in st_ignore 0
+QPDF_json stream dict not dict 0
+QPDF_json unrecognized string value 0
+QPDF_json data datafile both or neither 0
+QPDF_json stream no dict 0
+QPDF_json trailer no value 0
+QPDF_json value stream both or neither 0
+QPDFJob need json-stream-prefix for stdout 0
+QPDFJob write json to stdout 0
+QPDFJob write json to file 0
+QPDF_json don't check object after parse error 0
+QPDF_json ignoring unknown top-level key 0
+QPDF_json ignore second-level key 0
+QPDF_json ignore unknown key in object_top 0
+QPDF_json ignore unknown key in trailer 0
+QPDF_json ignore unknown key in stream 0
+QPDF_json non-trivial null reserved 0
+QPDF_json data and datafile 0
+QPDF_json no stream data in update mode 0
+QPDF_json updating existing stream 0
+QPDF_json qpdf not array 0
+QPDF_json more than two qpdf elements 0
+QPDF_json missing json version 0
+QPDF_json bad json version 0
+QPDF_json bad calledgetallpages 0
+QPDF_json bad pushedinheritedpageresources 0
+QPDFPageObjectHelper copied fallback 0
+QPDFPageObjectHelper used fallback without copying 0

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qpdfjob-ctest.c Added

@@ -0,0 +1,116 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/qpdfjob-c.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef QPDF_NO_WCHAR_T
+static void
+wide_test()
+{
+    wchar_t const* argv5;
+    argv0 = L"qpdfjob";
+    argv1 = L"minimal.pdf";
+    argv2 = L"a.pdf";
+    argv3 = L"--static-id";
+    argv4 = NULL;
+    assert(qpdfjob_run_from_wide_argv(argv) == 0);
+    printf("wide test passed\n");
+}
+#endif // QPDF_NO_WCHAR_T
+
+static void
+custom_progress(int progress, void* data)
+{
+    printf("%s: write progress: %d%%\n", (char const*)data, progress);
+}
+
+static int
+custom_log(char const* data, size_t size, void* udata)
+{
+    fprintf(stderr, "|custom|");
+    fwrite(data, 1, size, stderr);
+    fflush(stderr);
+    return 0;
+}
+
+static void
+run_tests()
+{
+    /* Be sure to use a different output file for each test. */
+    qpdfjob_handle j = NULL;
+
+    char const* argv6;
+    argv0 = "qpdfjob";
+    argv1 = "minimal.pdf";
+    argv2 = "a.pdf";
+    argv3 = "--deterministic-id";
+    argv4 = "--progress";
+    argv5 = NULL;
+    j = qpdfjob_init();
+    qpdfjob_register_progress_reporter(j, custom_progress, (void*)"potato");
+    assert(qpdfjob_initialize_from_argv(j, argv) == 0);
+    assert(qpdfjob_run(j) == 0);
+    qpdfjob_cleanup(&j);
+    printf("argv test passed\n");
+
+    assert(qpdfjob_run_from_json("{\n\
+  \"inputFile\": \"20-pages.pdf\",\n\
+  \"password\": \"user\",\n\
+  \"outputFile\": \"b.pdf\",\n\
+  \"staticId\": \"\",\n\
+  \"decrypt\": \"\",\n\
+  \"objectStreams\": \"generate\"\n\
+}") == 0);
+    printf("json test passed\n");
+    fflush(stdout);
+
+    assert(qpdfjob_run_from_json("{\n\
+  \"inputFile\": \"xref-with-short-size.pdf\",\n\
+  \"outputFile\": \"c.pdf\",\n\
+  \"staticId\": \"\",\n\
+  \"decrypt\": \"\",\n\
+  \"objectStreams\": \"generate\"\n\
+}") == 3);
+    printf("json warn test passed\n");
+    fflush(stdout);
+
+    /* Also exercise custom logger */
+    j = qpdfjob_init();
+    qpdflogger_handle l1 = qpdfjob_get_logger(j);
+    qpdflogger_handle l2 = qpdflogger_default_logger();
+    assert(qpdflogger_equal(l1, l2));
+    qpdflogger_cleanup(&l1);
+    qpdflogger_cleanup(&l2);
+    qpdflogger_handle l = qpdflogger_create();
+    qpdflogger_set_error(l, qpdf_log_dest_custom, custom_log, NULL);
+    qpdfjob_set_logger(j, l);
+    qpdflogger_handle l3 = qpdfjob_get_logger(j);
+    assert(qpdflogger_equal(l, l3));
+    qpdflogger_cleanup(&l);
+    qpdflogger_cleanup(&l3);
+
+    qpdfjob_initialize_from_json(j, "{\n\
+  \"inputFile\": \"nothing-there.pdf\"\n\
+}");
+    assert(qpdfjob_run(j) == 2);
+    qpdfjob_cleanup(&j);
+    printf("json error test passed\n");
+}
+
+int
+main(int argc, char* argv)
+{
+    if ((argc == 2) && (strcmp(argv1, "wide") == 0)) {
+#ifndef QPDF_NO_WCHAR_T
+        wide_test();
+#else
+        printf("skipped wide\n");
+#endif // QPDF_NO_WCHAR_T
+        return 0;
+    }
+
+    run_tests();
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/appearance-streams.test Added

@@ -0,0 +1,89 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('appearance-streams');
+
+my $n_tests = 12;
+
+foreach my $f ('need-appearances',
+               'need-appearances-more',
+               'need-appearances-more2',
+               'need-appearances-more3')
+{
+    $td->runtest("generate appearances and flatten ($f)",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --no-original-object-ids --static-id" .
+                      " --generate-appearances --flatten-annotations=all" .
+                      " $f.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    my $exp = 'appearances-a';
+    if ($f =~ m/appearances(-.*)$/)
+    {
+        $exp .= $1;
+    }
+    $exp .= '.pdf';
+    $td->runtest("compare files",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => $exp});
+}
+
+$td->runtest("more choices",
+             {$td->COMMAND =>
+                  "qpdf --qdf --no-original-object-ids --static-id" .
+                  " --generate-appearances" .
+                  " more-choices.pdf b.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+# b.pdf still has forms
+$td->runtest("compare files",
+             {$td->FILE => "b.pdf"},
+             {$td->FILE => "appearances-b.pdf"});
+
+my @choice_values = qw(1 2 11 12 quack);
+$n_tests += 3 * scalar(@choice_values);
+foreach my $i (@choice_values)
+{
+    # b.pdf was generated by qpdf and needs appearances
+    # test_driver 52 writes a.pdf
+    $td->runtest("set value to $i",
+                 {$td->COMMAND => "test_driver 52 b.pdf $i"},
+                 {$td->STRING => "setting list1 value\ntest 52 done\n",
+                      $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("regenerate appearances",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --no-original-object-ids --static-id" .
+                      " --generate-appearances" .
+                      " a.pdf b.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("compare files",
+                 {$td->FILE => "b.pdf"},
+                 {$td->FILE => "appearances-$i.pdf"});
+}
+
+$td->runtest("Update resources from /DR",
+             {$td->COMMAND =>
+                      "qpdf --qdf --no-original-object-ids --static-id" .
+                      " --generate-appearances" .
+                      " resource-from-dr.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "resource-from-dr-out.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/arg-parsing.test Added

@@ -0,0 +1,112 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('arg-parsing');
+
+my $n_tests = 17;
+
+$td->runtest("required argument",
+             {$td->COMMAND => "qpdf --password minimal.pdf"},
+             {$td->REGEXP => "must be given as --password=pass",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("required argument with choices",
+             {$td->COMMAND => "qpdf --decode-level minimal.pdf"},
+             {$td->REGEXP => "must be given as --decode-level=\\{.*all.*\\}",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("required argument with choices",
+             {$td->COMMAND => "qpdf --decode-level minimal.pdf"},
+             {$td->REGEXP => "must be given as --decode-level=\\{.*all.*\\}",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+copy("minimal.pdf", '@file.pdf');
+$td->runtest("\@file exists and file doesn't",
+             {$td->COMMAND => "qpdf --check \@file.pdf"},
+             {$td->FILE => "check-at-file.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("missing underlay filename",
+             {$td->COMMAND => "qpdf --underlay --"},
+             {$td->REGEXP => ".*underlay file not specified.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("extra overlay filename",
+             {$td->COMMAND => "qpdf --overlay x x --"},
+             {$td->REGEXP => ".*overlay file already specified.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("multiple pages options",
+             {$td->COMMAND => "qpdf --pages . --password=x -- --pages . --"},
+             {$td->REGEXP => ".*--pages may only be specified one time.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("bad numeric range detects unclosed --pages",
+             {$td->COMMAND => "qpdf --pages . --pages . --"},
+             {$td->REGEXP => ".*pages options must be terminated with --.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("bad file detected as unclosed --pages",
+             {$td->COMMAND => "qpdf --pages . 1 --xyz out"},
+             {$td->REGEXP => ".*pages options must be terminated with --.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("misplaced pages password 1",
+             {$td->COMMAND => "qpdf --pages . 1 --password=z --"},
+             {$td->REGEXP => ".*password must immediately follow a file name.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("misplaced pages password 2",
+             {$td->COMMAND => "qpdf --pages --password=z . 1 --"},
+             {$td->REGEXP => ".*password must immediately follow a file name.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("duplicated pages password",
+             {$td->COMMAND => "qpdf --pages . --password=z --password=z --"},
+             {$td->REGEXP => ".*password already specified.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("v1-only objects json-key",
+             {$td->COMMAND => "qpdf --json=2 --json-key=objects minimal.pdf"},
+             {$td->REGEXP => ".*\"objects\" and \"objectinfo\" are " .
+                  "only valid for json version 1.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("v1-only objectinfo json-key",
+             {$td->COMMAND => "qpdf --json=2 --json-key=objectinfo minimal.pdf"},
+             {$td->REGEXP => ".*\"objects\" and \"objectinfo\" are " .
+                  "only valid for json version 1.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("v2-only qpdf json-key",
+             {$td->COMMAND => "qpdf --json=1 --json-key=qpdf minimal.pdf"},
+             {$td->REGEXP => ".*\"qpdf\" is only valid for json version > 1.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+# Ignoring -- at the top level was never intended but turned out to
+# have been there for a long time so that people relied on it. It is
+# intentionally not documented.
+$td->runtest("ignore -- at top level",
+             {$td->COMMAND => "qpdf -- --check -- minimal.pdf --"},
+             {$td->REGEXP => ".*No syntax or stream encoding errors found.*",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("empty and replace-input",
+             {$td->COMMAND => "qpdf --empty --replace-input"},
+             {$td->REGEXP => ".*--replace-input may not be used with --empty.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/attachments.test Added

@@ -0,0 +1,223 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('attachments');
+
+my $n_tests = 37;
+
+open(F, ">auto-txt") or die;
+print F "from file";
+close(F);
+$td->runtest("attachments",
+             {$td->COMMAND => "test_driver 76 minimal.pdf auto-txt"},
+             {$td->FILE => "test76.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("show attachment",
+             {$td->COMMAND => "qpdf --show-attachment=att1 a.pdf"},
+             {$td->STRING => "from file", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "test76.pdf"});
+$td->runtest("list attachments",
+             {$td->COMMAND => "qpdf --list-attachments a.pdf"},
+             {$td->FILE => "test76-list.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("list attachments verbose",
+             {$td->COMMAND => "qpdf --list-attachments --verbose a.pdf"},
+             {$td->FILE => "test76-list-verbose.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("attachments json",
+             {$td->COMMAND => "qpdf --json=1 --json-key=attachments a.pdf"},
+             {$td->FILE => "test76-json.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("remove attachment (test_driver)",
+             {$td->COMMAND => "test_driver 77 test76.pdf"},
+             {$td->STRING => "test 77 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "test77.pdf"});
+$td->runtest("remove attachment (cli)",
+             {$td->COMMAND => "qpdf --remove-attachment=att2 test76.pdf" .
+                  " --static-id --qdf --verbose b.pdf"},
+             {$td->FILE => "remove-attachment.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "b.pdf"},
+             {$td->FILE => "test77.pdf"});
+$td->runtest("show missing attachment",
+             {$td->COMMAND => "qpdf --show-attachment=att2 b.pdf"},
+             {$td->STRING => "qpdf: attachment att2 not found\n",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("remove missing attachment",
+             {$td->COMMAND => "qpdf --remove-attachment=att2 b.pdf c.pdf"},
+             {$td->STRING => "qpdf: attachment att2 not found\n",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("add attachment: bad creation date",
+             {$td->COMMAND => "qpdf minimal.pdf a.pdf" .
+                  " --add-attachment auto-txt --creationdate=potato --"},
+             {$td->REGEXP => ".*potato is not a valid PDF timestamp.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("add attachment: bad mod date",
+             {$td->COMMAND => "qpdf minimal.pdf a.pdf" .
+                  " --add-attachment auto-txt --moddate=potato --"},
+             {$td->REGEXP => ".*potato is not a valid PDF timestamp.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("add attachment: bad mod date",
+             {$td->COMMAND => "qpdf minimal.pdf a.pdf" .
+                  " --add-attachment auto-txt --mimetype=potato --"},
+             {$td->REGEXP =>
+                  ".*mime type should be specified as type/subtype.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("add attachment: trailing slash",
+             {$td->COMMAND => "qpdf minimal.pdf a.pdf" .
+                  " --add-attachment --"},
+             {$td->REGEXP => ".*add attachment: no file specified.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+foreach my $i (qw(1 2 3))
+{
+    open(F, ">auto-$i") or die;
+    print F "attachment $i";
+    close(F);
+}
+my @dates = ("--creationdate=D:20210210091359-05'00'",
+             "--moddate=D:20210210141359Z");
+$td->runtest("add attachments",
+             {$td->COMMAND =>
+                  qw(qpdf minimal.pdf a.pdf --no-original-object-ids),
+                   qw(--verbose --static-id --qdf),
+                   qw(--add-attachment ./auto-1), @dates,
+                   qw(--mimetype=text/plain --),
+                   qw(--add-attachment ./auto-2 --key=auto-Two), @dates, '--',
+                   qw(--add-attachment ./auto-3 --filename=auto-Three.txt),
+                   @dates, '--description=two words', '--'},
+             {$td->FILE => "add-attachments-1.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("list attachments",
+             {$td->COMMAND => "qpdf --list-attachments a.pdf --verbose"},
+             {$td->FILE => "list-attachments-1.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "add-attachments-1.pdf"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("add attachments: duplicate",
+             {$td->COMMAND =>
+                  "qpdf a.pdf b.pdf --verbose --add-attachment ./auto-1 --"},
+             {$td->FILE => "add-attachments-duplicate.out",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("add attachments: replace",
+             {$td->COMMAND =>
+                  qw(qpdf a.pdf b.pdf --no-original-object-ids),
+                   qw(--verbose --static-id --qdf),
+                   qw(--add-attachment ./auto-2 --key=auto-1 --replace),
+                   @dates, '--'},
+             {$td->FILE => "add-attachments-2.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("list attachments",
+             {$td->COMMAND => "qpdf --list-attachments b.pdf --verbose"},
+             {$td->FILE => "list-attachments-3.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "b.pdf"},
+             {$td->FILE => "add-attachments-2.pdf"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("copy attachments",
+             {$td->COMMAND =>
+                  "qpdf --verbose --no-original-object-ids" .
+                  " --static-id --qdf minimal.pdf b.pdf" .
+                  " --copy-attachments-from a.pdf --"},
+             {$td->FILE => "copy-attachments-1.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("list attachments",
+             {$td->COMMAND => "qpdf --list-attachments b.pdf --verbose"},
+             {$td->FILE => "list-attachments-1.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "b.pdf"},
+             {$td->FILE => "add-attachments-1.pdf"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("copy attachments: duplicate",
+             {$td->COMMAND =>
+                  "qpdf --verbose --no-original-object-ids" .
+                  " --static-id --qdf a.pdf c.pdf" .
+                  " --copy-attachments-from b.pdf --"},
+             {$td->FILE => "copy-attachments-duplicate.out",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("copy attachments: prefix",
+             {$td->COMMAND =>
+                  "qpdf --verbose --no-original-object-ids" .
+                  " --static-id --qdf a.pdf c.pdf" .
+                  " --copy-attachments-from b.pdf --prefix=1- --"},
+             {$td->FILE => "copy-attachments-2.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("list attachments",
+             {$td->COMMAND => "qpdf --list-attachments c.pdf --verbose"},
+             {$td->FILE => "list-attachments-2.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "c.pdf"},
+             {$td->FILE => "copy-attachments-2.pdf"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("add attachments: current date",
+             {$td->COMMAND =>
+                  qw(qpdf minimal.pdf a.pdf --encrypt u o 256 --),
+                   qw(--verbose --add-attachment ./auto-1 --)},
+             {$td->FILE => "add-attachments-3.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("list attachments",
+             {$td->COMMAND =>
+                  "qpdf --password=u --list-attachments a.pdf --verbose",
+                  $td->FILTER => "perl filter-attachment-date.pl"},
+             {$td->FILE => "list-attachments-4.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+# The object to show here is the one in list-attachments-4.out
+$td->runtest("check dates",
+             {$td->COMMAND => "qpdf --show-object=6 a.pdf --password=u"},
+             {$td->REGEXP => ".*CreationDate \\(D:\\d+.*ModDate \\(D:\\d+.*",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("remove multiple attachments",
+             {$td->COMMAND =>
+                  "qpdf --verbose --static-id add-attachments-1.pdf a.pdf" .
+                  " --remove-attachment=auto-1 --remove-attachment=auto-Two"},
+             {$td->FILE => "remove-multiple-attachments.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "remove-multiple-attachments.pdf"});
+$td->runtest("remove multiple attachments (json)",
+             {$td->COMMAND =>
+                  "qpdf --job-json-file=remove-multiple-attachments.json"},
+             {$td->FILE => "remove-multiple-attachments-json.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "b.pdf"},
+             {$td->FILE => "remove-multiple-attachments.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/basic-parsing.test Added

@@ -0,0 +1,77 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('basic-parsing');
+
+my @goodfiles = ("implicit null",                       # 1
+                 "direct null",                         # 2
+                 "unresolved null",                     # 3
+                 "indirect null",                       # 4
+                 "indirect bool, real",                 # 5
+                 "direct bool",                         # 6
+                 "integer",                             # 7
+                 "real, ASCIIHexDecode",                # 8
+                 "string",                              # 9
+                 "array",                               # 10
+                 "dictionary",                          # 11
+                 "stream",                              # 12
+                 "nesting, strings, names",             # 13
+                 "tokenizing pipeline",                 # 14
+                 "name",                                # 15
+                 "object-stream",                       # 16
+                 "hybrid xref",                         # 17
+                 "hybrid xref old mode",                # 18
+                 "xref with prev",                      # 19
+                 "lots of compressible objects",        # 20
+                 "array with indirect nulls",           # 21
+                 );
+
+my $n_tests = (3 * @goodfiles) + 6;
+
+my %goodtest_overrides = ('14' => 3);
+my %goodtest_flags =
+    ('18' => '-ignore-xref-streams',
+     '20' => '-object-streams=generate',
+    );
+for (my $i = 1; $i <= scalar(@goodfiles); ++$i)
+{
+    my $n = $goodtest_overrides{$i} || 1;
+    $td->runtest("$goodfiles$i-1",
+                 {$td->COMMAND => "test_driver $n good$i.pdf"},
+                 {$td->FILE => "good$i.out",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    my $xflags = $goodtest_flags{$i} || '';
+    check_pdf($td, "create qdf",
+              "qpdf --static-id -qdf $xflags good$i.pdf",
+              "good$i.qdf", 0);
+}
+
+check_pdf($td, "no normalization",
+          "qpdf -qdf --static-id --normalize-content=n good7.pdf",
+          "good7-not-normalized.qdf",
+          0);
+
+check_pdf($td, "no qdf",
+          "qpdf --static-id good17.pdf",
+          "good17-not-qdf.pdf",
+          0);
+
+check_pdf($td, "no recompression",
+          "qpdf --static-id --stream-data=preserve good17.pdf",
+          "good17-not-recompressed.pdf",
+          0);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/bound-checks.test Added

@@ -0,0 +1,38 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('bound-checks');
+
+my $n_tests = 3;
+
+$td->runtest("bounds check linearization data 1",
+             {$td->COMMAND => "qpdf --check linearization-bounds-1.pdf"},
+             {$td->FILE => "linearization-bounds-1.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("bounds check linearization data 2",
+             {$td->COMMAND => "qpdf --check linearization-bounds-2.pdf"},
+             {$td->FILE => "linearization-bounds-2.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+# Throws runtime error, not bad_alloc
+$td->runtest("sanity check array size",
+             {$td->COMMAND =>
+                  "qpdf --check linearization-large-vector-alloc.pdf"},
+             {$td->FILE => "linearization-large-vector-alloc.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/c-api-check.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/c-api-key.test Added

@@ -0,0 +1,40 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('c-api-key');
+
+my $n_tests = 4;
+
+$td->runtest("C API info key functions",
+             {$td->COMMAND => "qpdf-ctest 16 minimal.pdf '' a.pdf"},
+             {$td->FILE => "c-info1.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "c-info-out.pdf"});
+unlink "a.pdf" or die;
+
+$td->runtest("C API info key functions",
+             {$td->COMMAND => "qpdf-ctest 16 c-info2-in.pdf '' a.pdf"},
+             {$td->FILE => "c-info2.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "c-info-out.pdf"});
+unlink "a.pdf" or die;
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/c-api-object-handle.test Added

@@ -0,0 +1,75 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('c-api-object-handle');
+
+my $n_tests = 13;
+
+$td->runtest("C check object handles",
+             {$td->COMMAND => "qpdf-ctest 24 minimal.pdf '' a.pdf"},
+             {$td->FILE => "c-object-handles.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'c-object-handles-out.pdf'});
+
+$td->runtest("C check object handle creation",
+             {$td->COMMAND => "qpdf-ctest 25 minimal.pdf '' a.pdf"},
+             {$td->STRING => "C test 25 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'c-object-handle-creation-out.pdf'});
+
+$td->runtest("C indirect objects",
+             {$td->COMMAND => "qpdf-ctest 33 minimal.pdf '' a.pdf"},
+             {$td->STRING => "C test 33 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'c-indirect-objects-out.pdf'});
+
+$td->runtest("C uninitialized objects",
+             {$td->COMMAND => "qpdf-ctest 26 '' '' ''"},
+             {$td->FILE => "c-oh-uninitialized-objects.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C string with embedded null",
+             {$td->COMMAND => "qpdf-ctest 27 '' '' ''"},
+             {$td->STRING => "C test 27 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C wrap and clone objects",
+             {$td->COMMAND => "qpdf-ctest 28 minimal.pdf '' ''"},
+             {$td->STRING => "C test 28 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C object handle errors",
+             {$td->COMMAND => "qpdf-ctest 29 minimal.pdf '' ''"},
+             {$td->FILE => "c-oh-errors.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C unhandled error warning",
+             {$td->COMMAND => "qpdf-ctest 30 bad1.pdf '' ''"},
+             {$td->FILE => "c-unhandled-error.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C type mismatch warning",
+             {$td->COMMAND => "qpdf-ctest 31 minimal.pdf '' ''"},
+             {$td->FILE => "c-type-warning.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C get object by ID",
+             {$td->COMMAND => "qpdf-ctest 32 minimal.pdf '' ''"},
+             {$td->STRING => "C test 32 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/c-api-page.test Added

@@ -0,0 +1,45 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('c-api-page');
+
+my $n_tests = 5;
+
+$td->runtest("C page normal",
+             {$td->COMMAND =>
+                  "qpdf-ctest 34 11-pages.pdf '' a.pdf minimal.pdf"},
+             {$td->STRING => "C test 34 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'c-pages.pdf'});
+
+$td->runtest("C page errors",
+             {$td->COMMAND =>
+                  "qpdf-ctest 35 11-pages.pdf '' ''"},
+             {$td->FILE => "c-page-errors.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C inherited page resources",
+             {$td->COMMAND =>
+                  "qpdf-ctest 36 inherited-rotate.pdf '' ''"},
+             {$td->STRING => "C test 36 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C pages cache",
+             {$td->COMMAND =>
+                  "qpdf-ctest 37 11-pages.pdf '' ''"},
+             {$td->STRING => "C test 37 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/c-api-stream.test Added

@@ -0,0 +1,43 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('c-api-stream');
+
+my $n_tests = 5;
+
+$td->runtest("C read streams",
+             {$td->COMMAND =>
+                  "qpdf-ctest 38 11-pages.pdf '' ''"},
+             {$td->FILE => "c-get-stream.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("C foreign object",
+             {$td->COMMAND =>
+                  "qpdf-ctest 39 11-pages.pdf '' a.pdf minimal.pdf"},
+             {$td->STRING => "C test 39 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'c-foreign.pdf'});
+
+$td->runtest("C new stream",
+             {$td->COMMAND =>
+                  "qpdf-ctest 40 minimal.pdf '' a.pdf"},
+             {$td->STRING => "C test 40 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'c-new-stream.pdf'});
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/c-api.test Added

@@ -0,0 +1,73 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('c-api');
+
+my @capi = (
+    2, 'no options',
+    3, 'normalized content',
+    4, 'ignore xref streams',
+    5, 'linearized',
+    6, 'object streams',
+    7, 'qdf',
+    8, 'no original object ids',
+    9, 'uncompressed streams',
+    );
+my $n_tests = (2 * @capi) + 5;
+foreach my $d (@capi)
+{
+    my ($n, $description) = @$d;
+    my $outfile = $description;
+    $outfile =~ s/ /-/g;
+    $outfile = "c-$outfile.pdf";
+    $td->runtest($description,
+                 {$td->COMMAND => "qpdf-ctest $n hybrid-xref.pdf '' a.pdf"},
+                 {$td->STRING => "C test $n done\n", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check $description",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => $outfile});
+}
+$td->runtest("write to bad file name",
+             {$td->COMMAND => "qpdf-ctest 2 hybrid-xref.pdf '' /:a:/:b:"},
+             {$td->REGEXP => "error: open /:a:/:b:: .*",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("write damaged to bad file name",
+             {$td->COMMAND => "qpdf-ctest 2 append-page-content-damaged.pdf" .
+                  " '' /:a:/:b:"},
+             {$td->REGEXP =>
+                  "warning:(?s:.*)\n" .
+                  "error: open /:a:/:b:: .*",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("write damaged",
+             {$td->COMMAND => "qpdf-ctest 2 append-page-content-damaged.pdf" .
+                  " '' a.pdf"},
+             {$td->FILE => "c-write-damaged.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("empty PDF",
+             {$td->COMMAND => "qpdf-ctest 41 - '' a.pdf"},
+             {$td->STRING => "C test 41 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "c-empty.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/character-encoding.test Added

@@ -0,0 +1,40 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('character-encoding');
+
+my $n_tests = 4;
+
+$td->runtest("PDF doc encoding to Unicode",
+             {$td->COMMAND => "test_pdf_doc_encoding pdf-doc-to-utf8.in"},
+             {$td->FILE => "pdf-doc-to-utf8.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("UTF-16 encoding",
+             {$td->COMMAND => "test_pdf_unicode unicode.in"},
+             {$td->FILE => "unicode.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("UTF-16 encoding errors",
+             {$td->COMMAND => "test_pdf_unicode unicode-errors.in"},
+             {$td->FILE => "unicode-errors.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# UTF-16LE is not allowed by the PDF spec, but it seems that most
+# readers accept it.
+$td->runtest("UTF-16LE strings",
+             {$td->COMMAND => "qpdf --list-attachments --verbose utf16le.pdf"},
+             {$td->FILE => "utf16le-attachments.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/check-encryption.test Added

@@ -0,0 +1,60 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('check-encryption');
+
+my @check_encryption_password = (
+    # file, password, is-encrypted, requires-password
+    "minimal.pdf", "", 2, 2,
+    "20-pages.pdf", "", 0, 0,
+    "20-pages.pdf", "user", 0, 3,
+    );
+my $n_tests = 3 * scalar(@check_encryption_password);
+foreach my $d (@check_encryption_password)
+{
+    my ($file, $pass, $is_encrypted, $requires_password) = @$d;
+    $td->runtest("is encrypted ($file, pass=$pass)",
+                 {$td->COMMAND => "qpdf --is-encrypted --password=$pass $file"},
+                 {$td->STRING => "", $td->EXIT_STATUS => $is_encrypted});
+    $td->runtest("requires password ($file, pass=$pass)",
+                 {$td->COMMAND => "qpdf --requires-password" .
+                      " --password=$pass $file"},
+                 {$td->STRING => "", $td->EXIT_STATUS => $requires_password});
+}
+
+# Exercise reading password from file
+open(F, ">args") or die;
+print F "user\n";
+close(F);
+$td->runtest("password from file)",
+             {$td->COMMAND => "qpdf --check --password-file=args 20-pages.pdf"},
+             {$td->FILE => "20-pages-check.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+open(F, ">>args") or die;
+print F "ignored\n";
+close(F);
+$td->runtest("ignore extra args from file)",
+             {$td->COMMAND => "qpdf --check --password-file=args 20-pages.pdf"},
+             {$td->FILE => "20-pages-check-password-warning.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+unlink "args";
+$td->runtest("password from stdin)",
+             {$td->COMMAND => "echo user |" .
+                  " qpdf --check --password-file=- 20-pages.pdf"},
+             {$td->FILE => "20-pages-check.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/cleartext-metadata.test Added

@@ -0,0 +1,72 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('cleartext-metadata');
+
+my $n_tests = 58;
+
+# args: file, exp_encrypted, exp_cleartext
+check_metadata($td, "compressed-metadata.pdf", 0, 0);
+check_metadata($td, "enc-base.pdf", 0, 1);
+
+foreach my $f (qw(compressed-metadata.pdf enc-base.pdf))
+{
+    foreach my $w (qw(compress preserve))
+    {
+        $td->runtest("$w streams ($f)",
+                     {$td->COMMAND => "qpdf --stream-data=$w $f a.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        check_metadata($td, "a.pdf", 0, 1);
+        $td->runtest("encrypt normally",
+                     {$td->COMMAND =>
+                          "qpdf --allow-weak-crypto" .
+                          " --encrypt '' o 128 -- a.pdf b.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        check_metadata($td, "b.pdf", 1, 0);
+        unlink "b.pdf";
+        $td->runtest("encrypt V4",
+                     {$td->COMMAND =>
+                          "qpdf --allow-weak-crypto" .
+                          " --encrypt '' o 128 --force-V4 -- a.pdf b.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        check_metadata($td, "b.pdf", 1, 0);
+        unlink "b.pdf";
+        $td->runtest("encrypt with cleartext metadata",
+                     {$td->COMMAND =>
+                          "qpdf --allow-weak-crypto" .
+                          " --encrypt '' o 128 --cleartext-metadata --" .
+                          " a.pdf b.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        check_metadata($td, "b.pdf", 1, 1);
+        $td->runtest("preserve encryption",
+                     {$td->COMMAND => "qpdf b.pdf c.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        check_metadata($td, "c.pdf", 1, 1);
+        unlink "b.pdf", "c.pdf";
+        $td->runtest("encrypt with aes and cleartext metadata",
+                     {$td->COMMAND =>
+                          "qpdf --encrypt '' o 128" .
+                          " --cleartext-metadata --use-aes=y -- a.pdf b.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        check_metadata($td, "b.pdf", 1, 1);
+        $td->runtest("preserve encryption",
+                     {$td->COMMAND => "qpdf b.pdf c.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0});
+        check_metadata($td, "c.pdf", 1, 1);
+        unlink "b.pdf", "c.pdf";
+    }
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/coalesce-contents.test Added

@@ -0,0 +1,53 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('coalesce-contents');
+
+my $n_tests = 8;
+
+$td->runtest("qdf with normalize warnings",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id split-tokens.pdf a.pdf"},
+             {$td->FILE => "normalize-warnings.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "split-tokens.qdf"});
+$td->runtest("coalesce to qdf",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id coalesce.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "coalesce.qdf"});
+$td->runtest("coalesce contents with qdf",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id" .
+                  " --coalesce-contents coalesce.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "coalesce-out.qdf"});
+$td->runtest("coalesce contents without qdf",
+             {$td->COMMAND =>
+                  "qpdf --static-id" .
+                  " --coalesce-contents coalesce.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "coalesce-out.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/collate.test Added

@@ -0,0 +1,46 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('collate');
+
+my @collate = (
+    "", "three-files", "collate-odd",
+     "collate-odd.pdf 1-5 minimal.pdf collate-even.pdf 7-1",
+    1, "three-files", "collate-odd",
+     "collate-odd.pdf 1-5 minimal.pdf collate-even.pdf 7-1",
+    2, "three-files-2", "collate-odd",
+     "collate-odd.pdf 1-5 minimal.pdf collate-even.pdf 7-1",
+    );
+my $n_tests = 2 * scalar(@collate);
+
+foreach my $d (@collate)
+{
+    my ($n, $description, $first, $args) = @$d;
+    my $collate = '--collate';
+    if ($n)
+    {
+        $collate .= "=$n";
+    }
+    $td->runtest("collate pages: $description",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --static-id $collate $first.pdf" .
+                      " --pages $args -- a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$description-collate-out.pdf"});
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/compare-pdfs.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/completion.test Added

@@ -0,0 +1,78 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+unshift(@INC, '../../libtests/qtest/arg_parser');
+require completion_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('completion');
+
+# Tests to exercise QPDFArgParser belong in arg_parser.test in
+# libtests. These tests are supposed to be specific to the qpdf cli.
+# Since they were written prior to moving QPDFArgParser into the
+# library, there are several tests here that also exercise
+# QPDFArgParser logic.
+my @completion_tests = (
+    '', 0, 'bad-input-1',
+    '', 1, 'bad-input-2',
+    '', 2, 'bad-input-3',
+    'qpdf', 2, 'bad-input-4',
+    'qpdf ', undef, 'top',
+    'qpdf -', undef, 'top-arg',
+    'qpdf --enc', undef, 'enc',
+    'qpdf --encrypt ', undef, 'encrypt',
+    'qpdf --encrypt u ', undef, 'encrypt-u',
+    'qpdf --encrypt u o ', undef, 'encrypt-u-o',
+    'qpdf @encrypt-u o ', undef, 'encrypt-u-o',
+    'qpdf --encrypt u o 40 --', undef, 'encrypt-40',
+    'qpdf --encrypt u o 128 --', undef, 'encrypt-128',
+    'qpdf --encrypt u o 256 --', undef, 'encrypt-256',
+    'qpdf --encrypt u o bad --', undef, 'encrypt-bad',
+    'qpdf --split-pag', undef, 'split',
+    'qpdf --decode-l', undef, 'decode-l',
+    'qpdf --decode-lzzz', 15, 'decode-l',
+    'qpdf --decode-level=', undef, 'decode-level',
+    'qpdf --decode-level=g', undef, 'decode-level-g',
+    'qpdf --check -', undef, 'later-arg',
+    'qpdf infile outfile oops --ch', undef, 'usage-empty',
+    'qpdf --encrypt \'user " password\' ', undef, 'quoting',
+    'qpdf --encrypt \'user password\' ', undef, 'quoting',
+    'qpdf --encrypt "user password" ', undef, 'quoting',
+    'qpdf --encrypt "user pass\'word" ', undef, 'quoting',
+    'qpdf --encrypt user\ password ', undef, 'quoting',
+    );
+my $n_tests = 2 * scalar(@completion_tests);
+my $completion_filter =
+    "perl ../../../libtests/qtest/arg_parser/filter-completion.pl";
+foreach my $c (@completion_tests)
+{
+    my ($cmd, $point, $description) = @$c;
+    my $out = "completion-$description.out";
+    my $zout = "completion-$description-zsh.out";
+    if (! -f $zout)
+    {
+        $zout = $out;
+    }
+    $td->runtest("bash completion: $description",
+                 {$td->COMMAND => @{bash_completion("qpdf", $cmd, $point)},
+                      $td->FILTER => "$completion_filter $out"},
+                 {$td->FILE => "$out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("zsh completion: $description",
+                 {$td->COMMAND => @{zsh_completion("qpdf", $cmd, $point)},
+                      $td->FILTER => "$completion_filter $zout"},
+                 {$td->FILE => "$zout", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/compression-level.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/content-preservation.test Added

@@ -0,0 +1,101 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use Digest::MD5;
+use File::Basename;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('content-preservation');
+
+my @files = ("encrypted-with-images.pdf", # encrypted
+             "inline-images.pdf",
+             "lin-special.pdf",
+             "object-stream.pdf",
+             "hybrid-xref.pdf");
+my @flags = ("-qdf",                                           # 1
+              "qdf",
+             "-qdf --normalize-content=n",                     # 2
+              "qdf not normalized",
+             "-qdf --stream-data=preserve",                    # 3
+              "qdf not uncompressed",
+             "-qdf --stream-data=preserve --normalize-content=n", # 4
+              "qdf not normalized or uncompressed",
+             "--stream-data=uncompress",                       # 5
+              "uncompresed",
+             "--normalize-content=y",                          # 6
+              "normalized",
+             "--stream-data=uncompress --normalize-content=y", # 7
+              "uncompressed and normalized",
+             "-decrypt",                                       # 8
+              "decrypted",
+             "-linearize",                                     # 9
+              "linearized",
+             "-allow-weak-crypto -encrypt \"\" owner 128 --",  # 10
+              "encrypted",
+             "-linearize -allow-weak-crypto -encrypt \"\" o 128 --", # 11
+              "linearized and encrypted",
+             "",                                               # 12
+              "no arguments",
+             );
+
+my $n_tests = 1 + (@files * @flags  * 2 * 3);
+my $n_compare_pdfs = 1 + (@files * @flags * 2);
+
+foreach my $file (@files)
+{
+    my $base = basename($file, '.pdf');
+
+    foreach my $o (qw(disable generate))
+    {
+        my $n = 0;
+        my $oflags = "--object-streams=$o";
+        my $odescrip = "os:" . substr($o, 0, 1);
+        my $osuf = ($o eq 'generate' ? "-ogen" : "");
+        foreach my $d (@flags)
+        {
+            my ($flags, $fdescrip) = @$d;
+            ++$n;
+            system("rm -f *.pnm");
+
+            $td->runtest("$file ($odescrip $fdescrip)",
+                         {$td->COMMAND => "qpdf $flags $oflags $file a.pdf"},
+                         {$td->STRING => "",
+                          $td->EXIT_STATUS => 0});
+
+            $td->runtest("check status",
+                         {$td->COMMAND => "qpdf --check a.pdf"},
+                         {$td->FILE => "$base.$n$osuf.check",
+                              $td->EXIT_STATUS => 0},
+                         $td->NORMALIZE_NEWLINES);
+
+            $td->runtest("check with C API",
+                         {$td->COMMAND => qw(qpdf-ctest 1 a.pdf), "", ""},
+                         {$td->FILE => "$base.$n$osuf.c-check",
+                          $td->EXIT_STATUS => 0},
+                         $td->NORMALIZE_NEWLINES);
+
+            compare_pdfs($td, $file, "a.pdf");
+        }
+        flush_tiff_cache();
+    }
+}
+
+$td->runtest("convert inline-images to qdf",
+             {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
+                  " --qdf inline-images.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+
+compare_pdfs($td, "inline-images.pdf", "a.pdf");
+
+cleanup();
+$td->report(calc_ntests($n_tests, $n_compare_pdfs));

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/copy-annotations.test Added

@@ -0,0 +1,186 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('copy-annotations');
+
+my $n_tests = 39;
+
+$td->runtest("complex copy annotations",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id --no-original-object-ids" .
+                  " fxo-red.pdf --overlay form-fields-and-annotations.pdf" .
+                  " --repeat=1 -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "overlay-copy-annotations.pdf"});
+
+foreach my $page (1, 2, 5, 6)
+{
+    $td->runtest("copy annotations single page ($page)",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --static-id --no-original-object-ids" .
+                      " --pages . $page --" .
+                      " fxo-red.pdf --overlay form-fields-and-annotations.pdf" .
+                      " --repeat=1 -- a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "overlay-copy-annotations-p$page.pdf"});
+}
+
+foreach my $d (1, "appearances-1.pdf",
+               2, "appearances-1-rotated.pdf")
+{
+    my ($n, $file1) = @$d;
+    $td->runtest("copy/transfer with defaults",
+                 {$td->COMMAND => "test_driver 80 $file1 minimal.pdf"},
+                 {$td->STRING => "test 80 done\n", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output A",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "test80a$n.pdf"});
+    $td->runtest("check output B",
+                 {$td->FILE => "b.pdf"},
+                 {$td->FILE => "test80b$n.pdf"});
+}
+
+$td->runtest("page extraction with fields",
+             {$td->COMMAND =>
+                  "qpdf --static-id --empty" .
+                  " --pages fields-two-pages.pdf -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "fields-pages-out.pdf"});
+$td->runtest("page splitting with fields",
+             {$td->COMMAND =>
+                  "qpdf --static-id" .
+                  " --split-pages fields-two-pages.pdf split-out.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+for (my $i = 1; $i <= 2; ++$i)
+{
+    $td->runtest("check output",
+                 {$td->FILE => "split-out-$i.pdf"},
+                 {$td->FILE => "fields-split-$i.pdf"});
+}
+$td->runtest("keeping some fields",
+             {$td->COMMAND =>
+                  "qpdf --static-id fields-two-pages.pdf" .
+                  " --pages . 1 minimal.pdf -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "kept-some-fields.pdf"});
+$td->runtest("not keeping any fields",
+             {$td->COMMAND =>
+                  "qpdf --static-id kept-some-fields.pdf" .
+                  " --pages . 2 -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "kept-no-fields.pdf"});
+$td->runtest("other file first",
+             {$td->COMMAND =>
+                  "qpdf --qdf --no-original-object-ids" .
+                  " --static-id fields-two-pages.pdf" .
+                  " --pages ./fields-two-pages.pdf . 1 -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "other-file-first.pdf"});
+
+$td->runtest("field conflict resolution",
+             {$td->COMMAND =>
+                  "qpdf form-fields-and-annotations.pdf" .
+                  " --pages . 1,1 ./form-fields-and-annotations.pdf 1,1 --" .
+                  " --qdf --static-id --no-original-object-ids a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "resolved-field-conflicts.pdf"});
+
+# field-resource-conflict.pdf was crafted so that an appearance stream
+# had an existing resource that it actually referenced in the
+# appearance stream whose name, /F1_1, clashed with the result of
+# resolving conflicts in /DR. It's a crazy corner case, but it if it
+# ever happened, it would be really hard to track down, and it could
+# arise through multiple passes through qpdf with intervening edits.
+$td->runtest("appearance stream resource conflict",
+             {$td->COMMAND =>
+                  "qpdf field-resource-conflict.pdf" .
+                  " --pages . 1,1 ./field-resource-conflict.pdf --" .
+                  " --qdf --static-id --no-original-object-ids a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "resolved-appearance-conflicts.pdf"});
+
+$td->runtest("resource conflicts + flatten",
+             {$td->COMMAND =>
+                  "qpdf field-resource-conflict.pdf" .
+                  " --pages . 1,1 ./field-resource-conflict.pdf --" .
+                  " --generate-appearances --flatten-annotations=all" .
+                  " --qdf --static-id --no-original-object-ids a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "resolved-appearance-conflicts-generate.pdf"});
+
+$td->runtest("default DA/Q",
+             {$td->COMMAND =>
+                  "qpdf form-fields-and-annotations.pdf" .
+                  " --pages . default-da-q.pdf --" .
+                  " --qdf --static-id --no-original-object-ids" .
+                  " --generate-appearances a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "default-da-q-out.pdf"});
+
+$td->runtest("DA/appearance stream errors",
+             {$td->COMMAND =>
+                  "qpdf field-parse-errors.pdf" .
+                  " --pages ./field-parse-errors.pdf --" .
+                  " --qdf --static-id --no-original-object-ids a.pdf"},
+             {$td->FILE => "field-parse-errors.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "field-parse-errors-out.pdf"});
+
+$td->runtest("Direct DR and annotations",
+             {$td->COMMAND =>
+                  "qpdf direct-dr.pdf --split-pages" .
+                  " --qdf --static-id --no-original-object-ids" .
+                  " split-out.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "split-out-1.pdf"},
+             {$td->FILE => "direct-dr-out.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/copy-foreign-objects.test Added

@@ -0,0 +1,63 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('copy-foreign-objects');
+
+my $n_tests = 11;
+
+foreach my $d (25, 1, 26, 2, 27, 3)
+{
+    my ($testn, $outn) = @$d;
+    $td->runtest("copy objects $outn",
+                 {$td->COMMAND => "test_driver $testn" .
+                      " minimal.pdf copy-foreign-objects-in.pdf"},
+                 {$td->FILE => "copy-foreign-objects-$testn.out",
+                      $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "copy-foreign-objects-out$outn.pdf"});
+}
+$td->runtest("copy objects error",
+             {$td->COMMAND => "test_driver 28" .
+                  " copy-foreign-objects-in.pdf minimal.pdf"},
+             {$td->FILE => "copy-foreign-objects-errors.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Issue 449 involved indirect /Filter or /DecodeParms in streams that
+# had their stream data replaced. The hand-generated
+# indirect-filter.pdf file more or less reproduces the situation but
+# doesn't result in the same internal error that 449 did with 10.0.1.
+# The file issue-449.pdf was minimized by hand from a test case and
+# does produce an internal error, though the exact reason is unclear.
+# It seems to just have to do with the order in which things are
+# copied.
+$td->runtest("indirect filters",
+             {$td->COMMAND => "test_driver 69 indirect-filter.pdf"},
+             {$td->STRING => "test 69 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+foreach my $i (0, 1)
+{
+    $td->runtest("check output",
+                 {$td->FILE => "auto-$i.pdf"},
+                 {$td->FILE => "indirect-filter-out-$i.pdf"});
+}
+$td->runtest("issue 449",
+             {$td->COMMAND => "test_driver 69 issue-449.pdf"},
+             {$td->STRING => "test 69 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/custom-pipeline.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/dangling-refs.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/decode-levels.test Added

@@ -0,0 +1,71 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('decode-levels');
+
+my $n_tests = 14;
+
+# image-streams.pdf is the output of examples/pdf-create.
+# examples/pdf-create validates the actual image data.
+# image-streams-small.pdf was manually created by editing
+# pdf-create.cc to reduce width and height to 40x8 and ignoring
+# errors. Its purpose was to get a small file with images with
+# different filters for fuzz testing.
+foreach my $l (qw(none generalized specialized all))
+{
+    $td->runtest("image-streams: $l",
+                 {$td->COMMAND =>
+                      "qpdf image-streams.pdf --compress-streams=n" .
+                      " --decode-level=$l a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check image-streams: $l",
+                 {$td->COMMAND => "test_driver 39 a.pdf"},
+                 {$td->FILE => "image-streams-$l.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+# C API
+$td->runtest("image-streams: C",
+             {$td->COMMAND => "qpdf-ctest 20 image-streams.pdf '' a.pdf"},
+             {$td->STRING => "C test 20 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check image-streams: C",
+             {$td->COMMAND => "test_driver 39 a.pdf"},
+             {$td->FILE => "image-streams-specialized.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Bad JPEG data
+$td->runtest("check finds bad jpeg data",
+             {$td->COMMAND => "qpdf --check bad-jpeg.pdf"},
+             {$td->FILE => "bad-jpeg-check.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("precheck detects bad jpeg data",
+             {$td->COMMAND => "qpdf --static-id --decode-level=all" .
+                  " bad-jpeg.pdf a.pdf"},
+             {$td->FILE => "bad-jpeg.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "bad-jpeg-out.pdf"});
+$td->runtest("get data",
+             {$td->COMMAND => "qpdf --show-object=6" .
+                  " --filtered-stream-data bad-jpeg.pdf"},
+             {$td->FILE => "bad-jpeg-show.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/decode-parameters.test Added

@@ -0,0 +1,48 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('decode-parameters');
+
+my $n_tests = 6;
+
+# Make sure we ignore decode parameters that we don't understand
+$td->runtest("unknown decode parameters",
+             {$td->COMMAND => "qpdf --check fax-decode-parms.pdf"},
+             {$td->FILE => "fax-decode-parms.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("ignore broken decode parms with no filters",
+             {$td->COMMAND => "qpdf --check broken-decode-parms-no-filter.pdf"},
+             {$td->FILE => "broken-decode-parms-no-filter.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("stream with indirect decode parms",
+             {$td->COMMAND =>
+                  "qpdf --static-id indirect-decode-parms.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "indirect-decode-parms-out.pdf"});
+
+$td->runtest("decode parameters empty list",
+             {$td->COMMAND => "qpdf --static-id empty-decode-parms.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "empty-decode-parms-out.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/deterministic-id.test Added

@@ -0,0 +1,55 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('deterministic-id');
+
+my $n_tests = 11;
+
+foreach my $d ('nn', 'ny', 'yn', 'yy')
+{
+    my $linearize = ($d =~ m/^y/);
+    my $ostream = ($d =~ m/y$/);
+    $td->runtest("deterministic ID: linearize/ostream=$d",
+                 {$td->COMMAND =>
+                      "qpdf -deterministic-id" .
+                      ($linearize ? " -linearize" : "") .
+                      " -object-streams=" . ($ostream ? "generate" : "disable") .
+                      " deterministic-id-in.pdf a.pdf"},
+                 {$td->STRING => "",
+                  $td->EXIT_STATUS => 0});
+    $td->runtest("compare files",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "deterministic-id-$d.pdf"});
+}
+
+$td->runtest("deterministic ID with encryption",
+             {$td->COMMAND => "qpdf -deterministic-id encrypted-with-images.pdf a.pdf"},
+             {$td->STRING => "qpdf: INTERNAL ERROR: QPDFWriter::generateID" .
+                  " has no data for deterministic ID." .
+                  "  This may happen if deterministic ID and" .
+                  " file encryption are requested together.\n",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("deterministic ID (C API)",
+             {$td->COMMAND =>
+                  "qpdf-ctest 19 deterministic-id-in.pdf '' a.pdf"},
+             {$td->STRING => "C test 19 done\n",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "deterministic-id-nn.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/disable-filter-on-write.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/encryption-parameters.test Added

@@ -0,0 +1,88 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('encryption-parameters');
+
+my $n_tests = 13;
+
+# Encrypt files whose /ID strings are other than 32 bytes long (bug
+# 2991412). Also linearize these files, which was reported in a
+# separate bug by email.
+foreach my $file (qw(short-id long-id))
+{
+    $td->runtest("encrypt $file.pdf",
+                 {$td->COMMAND =>
+                      "qpdf --allow-weak-crypto".
+                      " --encrypt '' pass 40 -- $file.pdf a.pdf"},
+                 {$td->STRING => "",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+
+    $td->runtest("check $file.pdf",
+                 {$td->COMMAND => "qpdf --check --show-encryption-key a.pdf"},
+                 {$td->FILE => "$file-check.out",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+
+    $td->runtest("linearize $file.pdf",
+                 {$td->COMMAND =>
+                      "qpdf --deterministic-id --linearize $file.pdf a.pdf"},
+                 {$td->STRING => "",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$file-linearized.pdf"});
+
+    $td->runtest("check $file.pdf",
+                 {$td->COMMAND => "qpdf --check a.pdf"},
+                 {$td->FILE => "$file-linearized-check.out",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+# A user provided a file that was missing /ID in its trailer even
+# though it is encrypted and also has a space instead of a newline
+# after its xref keyword. This file has those same properties.
+$td->runtest("check broken file",
+             {$td->COMMAND => "qpdf --check invalid-id-xref.pdf"},
+             {$td->FILE => "invalid-id-xref.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+# A file was emailed privately with issue 96. short-O-U.pdf was
+# created by copying encryption parameters from that file. It exhibits
+# the same behavior as the original file.
+$td->runtest("short /O or /U",
+             {$td->COMMAND =>
+                  "qpdf --password=19723102477 --check short-O-U.pdf"},
+             {$td->FILE => "short-O-U.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# A file was sent to me privately as part of issue 212. This file was
+# encrypted and had /R=3 and /V=1 and was using a 40-bit key. qpdf was
+# failing to work properly on files with /R=3 and 40-bit keys. The
+# test file is not this private file, but the encryption parameters
+# were copied from it. Like the bug file, qpdf < 8.1 can't decrypt it.
+$td->runtest("/R 3 with 40-bit key",
+             {$td->COMMAND =>
+                  "qpdf --password=623 --check --show-encryption-key" .
+                  " encrypted-40-bit-R3.pdf"},
+             {$td->FILE => "encrypted-40-bit-R3.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/encryption.test Added

@@ -0,0 +1,729 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('encryption');
+
+my $n_tests = 0;
+# $n_tests incremented below
+
+# The enc-file.pdf files were encrypted using Acrobat 5.0, not the
+# qpdf library.  The files are decrypted using qpdf, then re-encrypted
+# using qpdf with specific flags.  The /P value is checked.  The
+# resulting files were saved and manually checked with Acrobat 5.0 to
+# ensure that the security settings were as intended.
+
+# The enc-XI-file.pdf files were treated the same way but with Acrobat
+# XI instead of Acrobat 5.0.  They were used to create test files with
+# newer encryption formats.
+
+# Values: basename, password, encryption flags, /P Encrypt key,
+# extract-for-accessibility, extract-for-any-purpose,
+# print-low-res, print-high-res, modify-assembly, modify-forms,
+# modify-annotate, modify-other, modify-all
+my @encrypted_files =
+    ('base', '',              # 1
+     'R3,V2', '',              # 2
+      '-accessibility=n -extract=n -print=full -modify=all', -532,
+      1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1,
+     'R3,V2,U=view,O=view', 'view', # 3
+      '-accessibility=y -extract=n -print=none -modify=none', -3392,
+      1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
+     'R3,V2,O=master', 'master', # 4
+      '-accessibility=n -extract=y -print=none -modify=annotate', -2576,
+      1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0,
+     'R3,V2,O=master', '',     # 5
+      '-accessibility=n -extract=n -print=none -modify=form', -2624,
+      0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0,
+     'R3,V2,U=view,O=master', 'view', # 6
+      '-accessibility=n -extract=n -print=none -modify=assembly', -2880,
+      0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0,
+     'R3,V2,U=view,O=master', 'master', # 7
+      '-accessibility=n -print=low', -2564,
+      1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1,
+     'R3,V2,U=view,O=master', 'master', # 8
+      '-modify=all -assemble=n', -1028,
+      1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0,
+     'R3,V2,U=view,O=master', 'master', # 9
+      '-modify=none -form=y', -1068,
+      1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0,
+     'R3,V2,U=view,O=master', 'master', # 10
+      '-modify=annotate -assemble=n', -1036,
+      1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0,
+     'R3,V2,U=view,O=master', 'master', # 11
+      '-form=n', -260,
+      1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0,
+     'R3,V2,U=view,O=master', 'master', # 12
+      '-annotate=n', -36,
+      1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0,
+     'R3,V2,U=view,O=master', 'master', # 13
+      '-modify-other=n', -12,
+      1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
+     'R2,V1', '',              # 14
+      '-print=n -modify=n -extract=n -annotate=n', -64,
+      1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+     'R2,V1,U=view,O=view', 'view', # 15
+      '-print=y -modify=n -extract=n -annotate=n', -60,
+      1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0,
+     'R2,V1,O=master', 'master', # 16
+      '-print=n -modify=y -extract=n -annotate=n', -56,
+      1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0,
+     'R2,V1,O=master', '',     # 17
+      '-print=n -modify=n -extract=y -annotate=n', -48,
+      0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+     'R2,V1,U=view,O=master', 'view', # 18
+      '-print=n -modify=n -extract=n -annotate=y', -32,
+      0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0,
+     'R2,V1,U=view,O=master', 'master', # 19
+      '', -4,
+      1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+     'long-password', 'asdf asdf asdf asdf asdf asdf qwer', # 20
+     'long-password', 'asdf asdf asdf asdf asdf asdf qw',   # 21
+     'XI-base', '',                                         # 22
+     'XI-R6,V5,O=master', '',                                # 23
+      '-extract=n -print=none -modify=assembly', -2368,
+      0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0,
+     'XI-R6,V5,O=master', 'master', # 24
+      '-extract=n -print=none -modify=assembly', -2368,
+      1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0,
+     'XI-R6,V5,U=view,O=master', 'view', # 25
+      '-print=low', -2052,
+      0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1,
+     'XI-R6,V5,U=view,O=master', 'master', # 26
+      '-print=low', -2052,
+      1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1,
+     'XI-R6,V5,U=view,O=master', 'master', # 27
+      '-accessibility=n', -4, # -accessibility=n has no effect
+      1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+     'XI-long-password', 'qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnm', # 28; -accessibility=n has no effect
+     'XI-long-password', 'qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcv', # 29
+     'XI-R6,V5,U=wwwww,O=wwwww', 'wwwww', # 30
+      '', -4,
+      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    );
+
+$n_tests += 8 + (2 * (@encrypted_files)) + (7 * (@encrypted_files - 6)) + 10;
+
+$td->runtest("encrypted file",
+             {$td->COMMAND => "test_driver 2 encrypted-with-images.pdf"},
+             {$td->FILE => "encrypted1.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("preserve encryption",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf encrypted-with-images.enc"},
+             {$td->STRING => "",
+              $td->EXIT_STATUS => 0});
+$td->runtest("recheck encrypted file",
+             {$td->COMMAND => "test_driver 2 encrypted-with-images.enc"},
+             {$td->FILE => "encrypted1.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("empty owner password",
+             {$td->COMMAND => "qpdf --encrypt u '' 256 -- minimal.pdf a.pdf"},
+             {$td->REGEXP => ".*is insecure.*--allow-insecure.*",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("allow insecure",
+             {$td->COMMAND => "qpdf --encrypt u '' 256 --allow-insecure --" .
+                  " minimal.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check insecure",
+             {$td->COMMAND => "qpdf --check a.pdf"},
+             {$td->FILE => "insecure-passwords.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Test that long passwords that are one character too short fail.  We
+# test the truncation cases in the loop below by using passwords
+# longer than the supported length.
+$td->runtest("significant password characters (V < 5)",
+             {$td->COMMAND => "qpdf --check enc-long-password.pdf" .
+                  " --password='asdf asdf asdf asdf asdf asdf q'"},
+             {$td->REGEXP => ".*invalid password.*", $td->EXIT_STATUS => 2});
+$td->runtest("significant password characters (V = 5)",
+             {$td->COMMAND => "qpdf --check enc-XI-long-password.pdf" .
+                  " --password=qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxc"},
+             {$td->REGEXP => ".*invalid password.*", $td->EXIT_STATUS => 2});
+
+my $enc_base = undef;
+my $enc_n = 0;
+foreach my $d (@encrypted_files)
+{
+    ++$enc_n;
+    my ($file, $pass, $xeflags, $P, $match_owner, $match_user,
+        $accessible, $extract, $printlow, $printhigh,
+        $modifyassembly, $modifyform, $modifyannot,
+        $modifyother, $modifyall) = @$d;
+
+    my $f = sub { $_0 ? "allowed" : "not allowed" };
+    my $jf = sub { $_0 ? "true" : "false" };
+    my $enc_details = "";
+    my $enc_json =
+        "{\n" .
+        "  \"version\": 2,\n" .
+        "  \"parameters\": {\n" .
+        "    \"decodelevel\": \"generalized\"\n" .
+        "  },\n" .
+        "  \"encrypt\": {\n" .
+        "    \"capabilities\": {\n";
+    if ($match_owner)
+    {
+        $enc_details .= "Supplied password is owner password\n";
+    }
+    if ($match_user)
+    {
+        $enc_details .= "Supplied password is user password\n";
+    }
+    $enc_details .=
+        "extract for accessibility: " . &$f($accessible) . "\n" .
+        "extract for any purpose: " . &$f($extract) . "\n" .
+        "print low resolution: " . &$f($printlow) . "\n" .
+        "print high resolution: " . &$f($printhigh) . "\n" .
+        "modify document assembly: " . &$f($modifyassembly) . "\n" .
+        "modify forms: " . &$f($modifyform) . "\n" .
+        "modify annotations: " . &$f($modifyannot) . "\n" .
+        "modify other: " . &$f($modifyother) . "\n" .
+        "modify anything: " . &$f($modifyall) . "\n";
+    $enc_json .=
+        "      \"accessibility\": " . &$jf($accessible) . ",\n" .
+        "      \"extract\": " . &$jf($extract) . ",\n" .
+        "      \"modify\": " . &$jf($modifyall) . ",\n" .
+        "      \"modifyannotations\": " . &$jf($modifyannot) . ",\n" .
+        "      \"modifyassembly\": " . &$jf($modifyassembly) . ",\n" .
+        "      \"modifyforms\": " . &$jf($modifyform) . ",\n" .
+        "      \"modifyother\": " . &$jf($modifyother) . ",\n" .
+        "      \"printhigh\": " . &$jf($printhigh) . ",\n" .
+        "      \"printlow\": " . &$jf($printlow) . "\n" .
+        "    },\n" .
+        "    \"encrypted\": true,\n" .
+        "    \"ownerpasswordmatched\": ---opm---,\n" .
+        "    \"parameters\": {\n" .
+        "      \"P\": ---P---,\n" .
+        "      \"R\": ---R---,\n" .
+        "      \"V\": ---V---,\n" .
+        "      \"bits\": ---bits---,\n" .
+        "      \"filemethod\": \"---method---\",\n" .
+        "      \"key\": null,\n" .
+        "      \"method\": \"---method---\",\n" .
+        "      \"streammethod\": \"---method---\",\n" .
+        "      \"stringmethod\": \"---method---\"\n" .
+        "    },\n" .
+        "    \"recovereduserpassword\": ---rup---,\n" .
+        "    \"userpasswordmatched\": ---upm---\n" .
+        "  }\n" .
+        "}\n";
+    if ($file =~ m/XI-/)
+    {
+        $enc_details .=
+            "stream encryption method: AESv3\n" .
+            "string encryption method: AESv3\n" .
+            "file encryption method: AESv3\n";
+    }
+
+    # Test writing to stdout
+    $td->runtest("decrypt $file",
+                 {$td->COMMAND =>
+                      "qpdf --static-id -qdf --object-streams=disable" .
+                      " --no-original-object-ids" .
+                      " --password=\"$pass\" enc-$file.pdf -" .
+                      " > $file.enc"},
+                 {$td->STRING => "",
+                  $td->EXIT_STATUS => 0});
+    if ($file =~ m/base$/)
+    {
+        $enc_base = $file;
+        $td->runtest("check ID",
+                     {$td->COMMAND => "perl check-ID.pl $file.enc"},
+                     {$td->STRING => "ID okay\n",
+                      $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+    }
+    else
+    {
+        $td->runtest("check against base",
+                     {$td->COMMAND =>
+                          "sh ./diff-encrypted $enc_base.enc $file.enc"},
+                     {$td->STRING => "okay\n",
+                      $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+    }
+    if ($file =~ m/^(?:XI-)?R(\d),V(\d)(?:,U=(\w+))?(?:,O=(\w+))?$/)
+    {
+        my $R = $1;
+        my $V = $2;
+        my $upass = $3 || "";
+        my $opass = $4 || "";
+        my $bits = (($V == 5) ? 256 : ($V == 2) ? 128 : 40);
+        my $method = $bits == 256 ? "AESv3" : "RC4";
+        my $opm = ($pass eq $opass ? "true" : "false");
+        my $upm = ($pass eq $upass ? "true" : "false");
+        my $rup = (($pass eq $opass) && ($pass ne $upass) && ($V < 5))
+            ? "\"$upass\"" : "null";
+        $enc_json =~ s/---R---/$R/;
+        $enc_json =~ s/---P---/$P/;
+        $enc_json =~ s/---V---/$V/;
+        $enc_json =~ s/---bits---/$bits/;
+        $enc_json =~ s/---method---/$method/g;
+        $enc_json =~ s/---opm---/$opm/;
+        $enc_json =~ s/---upm---/$upm/;
+        $enc_json =~ s/---rup---/$rup/;
+
+        my $eflags = "--allow-weak-crypto" .
+            " -encrypt \"$upass\" \"$opass\" $bits $xeflags --";
+        if (($opass eq "") && ($bits == 256))
+        {
+            $eflags =~ s/--$/--allow-insecure --/;
+        }
+        if (($pass ne $upass) && ($V >= 5))
+        {
+            # V >= 5 can no longer recover user password with owner
+            # password.
+            $upass = "";
+        }
+        my $accessibility_warning = "";
+        if (($R > 3) && ($eflags =~ /accessibility=n/))
+        {
+            $accessibility_warning =
+                "qpdf: -accessibility=n is ignored" .
+                " for modern encryption formats\n";
+        }
+        $td->runtest("encrypt $file",
+                     {$td->COMMAND =>
+                          "qpdf --static-id --no-original-object-ids -qdf" .
+                          " $eflags $file.enc $file.enc2"},
+                     {$td->STRING => $accessibility_warning,
+                      $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+        $td->runtest("check /P enc2 ($enc_n)",
+                     {$td->COMMAND =>
+                          "qpdf --show-encryption --password=\"$pass\"" .
+                          " $file.enc2"},
+                     {$td->STRING => "R = $R\nP = $P\n" .
+                          "User password = $upass\n$enc_details",
+                          $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+        $td->runtest("json encrypt key ($enc_n)",
+                     {$td->COMMAND =>
+                          "qpdf --json --json-key=encrypt" .
+                          " --password=\"$pass\"" .
+                          " $file.enc2"},
+                     {$td->STRING => $enc_json, $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+        $td->runtest("decrypt again",
+                     {$td->COMMAND =>
+                          "qpdf --static-id --no-original-object-ids -qdf" .
+                          " --password=\"$pass\"" .
+                          " $file.enc2 $file.enc3"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+        $td->runtest("compare",
+                     {$td->FILE => "$file.enc"},
+                     {$td->FILE => "$file.enc3"});
+        $td->runtest("preserve encryption",
+                     {$td->COMMAND =>
+                          "qpdf --static-id --password=\"$pass\"" .
+                          " $file.enc2 $file.enc4"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+        $td->runtest("check /P enc4 ($enc_n)",
+                     {$td->COMMAND =>
+                          "qpdf --show-encryption --password=\"$pass\"" .
+                          " $file.enc4"},
+                     {$td->STRING => "R = $R\nP = $P\n" .
+                          "User password = $upass\n$enc_details",
+                          $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+    }
+}
+
+$td->runtest("non-encrypted",
+             {$td->COMMAND => "qpdf --show-encryption enc-base.pdf"},
+             {$td->STRING => "File is not encrypted\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("invalid password",
+             {$td->COMMAND => "qpdf -qdf --password=quack" .
+                  " enc-R2,V1,U=view,O=view.pdf a.qdf"},
+             {$td->STRING =>
+                  "qpdf: enc-R2,V1,U=view,O=view.pdf: invalid password\n",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C API: invalid password",
+             {$td->COMMAND =>
+                  "qpdf-ctest 2 enc-R2,V1,U=view,O=view.pdf '' a.qdf"},
+             {$td->FILE => "c-invalid-password.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("show-encryption works invalid password",
+             {$td->COMMAND => "qpdf --show-encryption --password=quack" .
+                  " enc-R2,V1,U=view,O=view.pdf"},
+             {$td->FILE => "invalid-password-encrypt.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+my @cenc = (
+    11, 'hybrid-xref.pdf', "''", 'r2', "", "",
+    12, 'hybrid-xref.pdf', "''", 'r3', "", "",
+    15, 'hybrid-xref.pdf', "''", 'r4', "", "",
+    17, 'hybrid-xref.pdf', "''", 'r5', "", "owner3",
+    18, 'hybrid-xref.pdf', "''", 'r6', "", "user4",
+    13, 'c-r2.pdf', 'user1', 'decrypt with user',
+     "user password: user1\n", "",
+    13, 'c-r3.pdf', 'owner2', 'decrypt with owner',
+     "user password: user2\n", "",
+    13, 'c-r5-in.pdf', 'user3', 'decrypt R5 with user',
+     "user password: user3\n", "",
+    13, 'c-r6-in.pdf', 'owner4', 'decrypt R6 with owner',
+     "user password: \n", "",
+    );
+$n_tests += 2 * @cenc;
+
+foreach my $d (@cenc)
+{
+    my ($n, $infile, $pass, $description, $output, $checkpass) = @$d;
+    my $outfile = $description;
+    $outfile =~ s/ /-/g;
+    my $pdf_outfile = "c-$outfile.pdf";
+    my $check_outfile = "c-$outfile.out";
+    $td->runtest("C API encryption: $description",
+                 {$td->COMMAND => "qpdf-ctest $n $infile $pass a.pdf"},
+                 {$td->STRING => $output . "C test $n done\n",
+                      $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    if (-f $pdf_outfile)
+    {
+        $td->runtest("check $description content",
+                     {$td->FILE => "a.pdf"},
+                     {$td->FILE => $pdf_outfile});
+    }
+    else
+    {
+        # QPDF doesn't provide any way to make the random bits in
+        # /Perms static, so we have no way to predictably create a
+        # /V=5 encrypted file.  It's not worth adding this...the test
+        # suite is adequate without having a statically predictable
+        # file.
+        $td->runtest("check $description",
+                     {$td->COMMAND =>
+                          "qpdf --check a.pdf --password=$checkpass"},
+                     {$td->FILE => $check_outfile, $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+    }
+}
+
+# Test combinations of linearization and encryption.  Note that we do
+# content checks on encrypted and linearized files in various
+# combinations below.  Here we are just making sure that they are
+# linearized and/or encrypted as desired.
+
+$td->runtest("linearize encrypted file",
+             {$td->COMMAND => "qpdf --linearize encrypted-with-images.pdf a.pdf"},
+             {$td->STRING => "",
+              $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+             {$td->COMMAND => "qpdf --show-encryption a.pdf",
+              $td->FILTER => "grep -v allowed | grep -v Supplied"},
+             {$td->STRING => "R = 3\nP = -4\nUser password = \n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check linearization",
+             {$td->COMMAND => "qpdf --check-linearization a.pdf"},
+             {$td->STRING => "a.pdf: no linearization errors\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("linearize and encrypt file",
+             {$td->COMMAND =>
+                  "qpdf --linearize --encrypt user owner 128 --use-aes=y --" .
+                  " lin-special.pdf a.pdf"},
+             {$td->STRING => "",
+              $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+             {$td->COMMAND => "qpdf --show-encryption --password=owner a.pdf",
+              $td->FILTER => "grep -v allowed | grep -v method | grep -v Supplied"},
+             {$td->STRING => "R = 4\nP = -4\nUser password = user\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check linearization",
+             {$td->COMMAND => "qpdf --check-linearization" .
+                  " --password=user a.pdf"},
+             {$td->STRING => "a.pdf: no linearization errors\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Test --check-linearization of non-linearized file
+$n_tests += 1;
+$td->runtest("check linearization of non-linearized file",
+             {$td->COMMAND => "qpdf --check-linearization minimal.pdf"},
+             {$td->STRING => "minimal.pdf is not linearized\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+
+# Test AES encryption in various ways.
+$n_tests += 18;
+$td->runtest("encrypt with AES",
+             {$td->COMMAND => "qpdf --encrypt '' o 128 --use-aes=y --" .
+                  " enc-base.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+             {$td->COMMAND => "qpdf --show-encryption a.pdf",
+              $td->FILTER => "grep -v allowed | grep -v method | grep -v Supplied"},
+             {$td->STRING => "R = 4\nP = -4\nUser password = \n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("convert original to qdf",
+             {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
+                  " --qdf --min-version=1.6 enc-base.pdf a.qdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("convert encrypted to qdf",
+             {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
+                  " --qdf a.pdf b.qdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("compare files",
+             {$td->FILE => 'a.qdf'},
+             {$td->FILE => 'b.qdf'});
+$td->runtest("linearize with AES and object streams",
+             {$td->COMMAND => "qpdf --encrypt '' o 128 --use-aes=y --" .
+                  " --linearize --object-streams=generate enc-base.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+             {$td->COMMAND => "qpdf --show-encryption a.pdf",
+              $td->FILTER => "grep -v allowed | grep -v method | grep -v Supplied"},
+             {$td->STRING => "R = 4\nP = -4\nUser password = \n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("linearize original",
+             {$td->COMMAND => "qpdf --linearize --object-streams=generate" .
+                  " enc-base.pdf b.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("convert linearized original to qdf",
+             {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
+                  " --qdf --object-streams=generate --min-version=1.6" .
+                  " b.pdf a.qdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("convert encrypted to qdf",
+             {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
+                  " --qdf --object-streams=generate a.pdf b.qdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("compare files",
+             {$td->FILE => 'a.qdf'},
+             {$td->FILE => 'b.qdf'});
+$td->runtest("force version on aes encrypted",
+             {$td->COMMAND => "qpdf --force-version=1.4 a.pdf b.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check",
+             {$td->COMMAND => "qpdf --check b.pdf"},
+             {$td->FILE => "aes-forced-check.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("make sure there is no xref stream",
+             {$td->COMMAND => "grep /ObjStm b.pdf | wc -l"},
+             {$td->REGEXP => "\\s*0\\s*", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("encrypt with V=5,R=5",
+             {$td->COMMAND =>
+                  "qpdf --encrypt user owner 256 --force-R5 -- " .
+                  "minimal.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+             {$td->COMMAND => "qpdf --check a.pdf --password=owner"},
+             {$td->FILE => "V5R5.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("encrypt with V=5,R=6",
+             {$td->COMMAND =>
+                  "qpdf --encrypt user owner 256 -- " .
+                  "minimal.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+             {$td->COMMAND => "qpdf --check a.pdf --password=user"},
+             {$td->FILE => "V5R6.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Look at some actual V4 files
+$n_tests += 17;
+foreach my $d ('--force-V4', 'V4',
+               '--cleartext-metadata', 'V4-clearmeta',
+               '--use-aes=y', 'V4-aes',
+               '--cleartext-metadata --use-aes=y', 'V4-aes-clearmeta')
+{
+    my ($args, $out) = @$d;
+    $td->runtest("encrypt $args",
+                 {$td->COMMAND => "qpdf --static-aes-iv --static-id" .
+                      " --allow-weak-crypto --encrypt '' '' 128 $args --" .
+                      " enc-base.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$out.pdf"});
+    $td->runtest("show encryption",
+                 {$td->COMMAND => "qpdf --show-encryption a.pdf"},
+                 {$td->FILE => "$out-encryption.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+# Crypt Filter
+$td->runtest("decrypt with crypt filter",
+             {$td->COMMAND => "qpdf --decrypt --static-id" .
+                  " metadata-crypt-filter.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'decrypted-crypt-filter.pdf'});
+$td->runtest("nontrivial crypt filter",
+             {$td->COMMAND => "qpdf --qdf --decrypt --static-id" .
+                  " nontrivial-crypt-filter.pdf --password=asdfqwer a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => 'a.pdf'},
+             {$td->FILE => 'nontrivial-crypt-filter-decrypted.pdf'});
+$td->runtest("show nontrivial EFF",
+             {$td->COMMAND => "qpdf --show-encryption" .
+                  " nontrivial-crypt-filter.pdf --password=asdfqwer"},
+             {$td->FILE => "nontrivial-crypt-filter.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Copy encryption parameters
+$n_tests += 10;
+$td->runtest("create reference qdf",
+             {$td->COMMAND =>
+                  "qpdf --qdf --no-original-object-ids minimal.pdf a.qdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("create encrypted file",
+             {$td->COMMAND =>
+                  "qpdf --encrypt user owner 128 --use-aes=y --extract=n --" .
+                  " minimal.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("copy encryption parameters",
+             {$td->COMMAND => "test_driver 30 minimal.pdf a.pdf"},
+             {$td->STRING => "test 30 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output encryption",
+             {$td->COMMAND => "qpdf --show-encryption b.pdf --password=owner"},
+             {$td->FILE => "copied-encryption.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("convert to qdf",
+             {$td->COMMAND =>
+                  "qpdf --qdf b.pdf b.qdf" .
+                  " --password=owner --no-original-object-ids"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("compare qdf",
+             {$td->COMMAND => "sh ./diff-ignore-ID-version a.qdf b.qdf"},
+             {$td->STRING => "okay\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("copy encryption with qpdf",
+             {$td->COMMAND =>
+                  "qpdf --copy-encryption=a.pdf".
+                  " --encryption-file-password=user" .
+                  " minimal.pdf c.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output encryption",
+             {$td->COMMAND => "qpdf --show-encryption c.pdf --password=owner"},
+             {$td->FILE => "copied-encryption.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("convert to qdf",
+             {$td->COMMAND =>
+                  "qpdf --qdf c.pdf c.qdf" .
+                  " --password=owner --no-original-object-ids"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("compare qdf",
+             {$td->COMMAND => "sh ./diff-ignore-ID-version a.qdf c.qdf"},
+             {$td->STRING => "okay\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Files with attachments
+my @attachments = (
+    'enc-XI-attachments-base.pdf',
+    'enc-XI-R6,V5,U=attachment,encrypted-attachments.pdf',
+    'enc-XI-R6,V5,U=view,attachments,cleartext-metadata.pdf');
+$n_tests += 4 * @attachments + 3;
+foreach my $f (@attachments)
+{
+    my $pass = '';
+    my $tpass = '';
+    if ($f =~ m/U=(^,\.+)/)
+    {
+        $pass = "--password=$1";
+        $tpass = $1;
+    }
+    $td->runtest("decrypt $f",
+                 {$td->COMMAND => "qpdf --decrypt $pass $f a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("extract attachments",
+                 {$td->COMMAND => "test_driver 35 a.pdf"},
+                 {$td->FILE => "attachments.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("copy $f",
+                 {$td->COMMAND => "qpdf $pass $f a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("extract attachments",
+                 {$td->COMMAND => "test_driver 35 a.pdf $tpass"},
+                 {$td->FILE => "attachments.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+$td->runtest("unfilterable with crypt",
+             {$td->COMMAND =>
+                  "test_driver 36 unfilterable-with-crypt.pdf attachment"},
+             {$td->FILE => "unfilterable-with-crypt-before.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+unlink "a.pdf";
+$td->runtest("decrypt file",
+             {$td->COMMAND => "qpdf -decrypt --password=attachment" .
+                  " unfilterable-with-crypt.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("copy of unfilterable with crypt",
+             {$td->COMMAND =>
+                  "test_driver 36 a.pdf attachment"},
+             {$td->FILE => "unfilterable-with-crypt-after.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Raw encryption key
+my @enc_key = ('user', '--password=user3',
+               'owner', '--password=owner3',
+               'hex', '--password-is-hex-key --password=35ea16a48b6a3045133b69ac0906c2e8fb0a2cc97903ae17b51a5786ebdba020');
+$n_tests += scalar(@enc_key);
+foreach my $d (@enc_key)
+{
+    my ($description, $pass) = @$d;
+    $td->runtest("use/show encryption key ($description)",
+                 {$td->COMMAND =>
+                      "qpdf --check --show-encryption-key c-r5-in.pdf $pass"},
+             {$td->FILE => "c-r5-key-$description.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+}
+
+# Miscellaneous encryption tests
+$n_tests += 3;
+
+$td->runtest("set encryption before set filename",
+             {$td->COMMAND => "test_driver 63 minimal.pdf"},
+             {$td->STRING => "test 63 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check file's validity",
+             {$td->COMMAND => "qpdf --check --password=u a.pdf"},
+             {$td->FILE => "encrypt-before-filename.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("handle missing/invalid Length",
+             {$td->COMMAND => "qpdf --check bad-encryption-length.pdf"},
+             {$td->FILE => "bad-encryption-length.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/error-condition.test Added

@@ -0,0 +1,211 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('error-condition');
+
+my $n_tests = 0;
+# $n_tests incremented after initialization of badfiles below.
+
+my @badfiles = ("not a PDF file",                       # 1
+                "no startxref",                         # 2
+                "bad primary xref offset",              # 3
+                "invalid xref syntax",                  # 4
+                "invalid xref entry",                   # 5
+                "free table inconsistency",             # 6
+                "no trailer dictionary",                # 7
+                "bad secondary xref",                   # 8
+                "no /Size in trailer",                  # 9
+                "/Size not integer",                    # 10
+                "/Prev not integer",                    # 11
+                "/Size inconsistency",                  # 12
+                "bad {",                                # 13
+                "bad }",                                # 14
+                "bad ",                                # 15
+                "bad >>",                               # 16
+                "dictionary errors",                    # 17
+                "bad )",                                # 18
+                "bad >",                                # 19
+                "invalid hexstring character",          # 20
+                "invalid name token",                   # 21
+                "no /Length for stream dictionary",     # 22
+                "/Length not integer",                  # 23
+                "expected endstream",                   # 24
+                "bad obj declaration (objid)",          # 25
+                "bad obj declaration (generation)",     # 26
+                "bad obj declaration (obj)",            # 27
+                "expected endobj",                      # 28
+                "null in name",                         # 29
+                "invalid stream /Filter",               # 30
+                "unknown stream /Filter",               # 31
+                "obj/gen mismatch",                     # 32
+                "invalid stream /Filter and xref",      # 33
+                "obj/gen in wrong place",               # 34
+                "object stream of wrong type",          # 35
+                "bad dictionary key",                   # 36
+                "space before xref",                    # 37
+                "startxref to space then eof",          # 38
+                );
+
+$n_tests += @badfiles + 8;
+
+# Test 6 contains errors in the free table consistency, but we no
+# longer have any consistency check for this since it is not important
+# neither Acrobat nor other PDF viewers really care.  Tests 12 and 28
+# have error conditions that used to be fatal but are now considered
+# non-fatal.
+my %badtest_overrides = ();
+for(6, 12..15, 17, 18..32, 34..37)
+{
+    $badtest_overrides{$_} = 0;
+}
+
+for (my $i = 1; $i <= scalar(@badfiles); ++$i)
+{
+    my $status = $badtest_overrides{$i};
+    $status = 2 unless defined $status;
+    $td->runtest($badfiles$i-1,
+                 {$td->COMMAND => "test_driver 0 bad$i.pdf"},
+                 {$td->FILE => "bad$i.out",
+                  $td->EXIT_STATUS => $status},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+$td->runtest("Suppress warnings",
+             {$td->COMMAND => "qpdf --no-warn bad14.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 3});
+$td->runtest("Suppress warnings",
+             {$td->COMMAND =>
+                  "qpdf --no-warn --warning-exit-0 bad14.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("Suppress warnings with --check",
+             {$td->COMMAND => "qpdf --check --no-warn bad14.pdf"},
+             {$td->FILE => "bad14-check-no-warn.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C API: errors",
+             {$td->COMMAND => "qpdf-ctest 2 bad1.pdf '' a.pdf"},
+             {$td->FILE => "c-read-errors.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C API: warnings writing",
+             {$td->COMMAND => "qpdf-ctest 2 bad33.pdf '' a.pdf"},
+             {$td->FILE => "c-write-warnings.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C API: no recovery",
+             {$td->COMMAND => "qpdf-ctest 10 bad33.pdf '' a.pdf"},
+             {$td->FILE => "c-no-recovery.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("integer type checks",
+             {$td->COMMAND => "test_driver 62 minimal.pdf"},
+             {$td->FILE => "test62.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("getValueAs... accessor checks",
+             {$td->COMMAND => "test_driver 85 -"},
+             {$td->FILE => "test85.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$n_tests += @badfiles + 11;
+
+# Recovery tests.  These are mostly after-the-fact -- when recovery
+# was implemented, some degree of recovery was possible on many of the
+# files.  Mostly the recovery does not actually repair the error,
+# though in some cases it may.  Acrobat Reader would not be able to
+# recover any of these files any better.
+my %recover_failures = ();
+for (1, 7, 16)
+{
+    $recover_failures{$_} = 1;
+}
+for (my $i = 1; $i <= scalar(@badfiles); ++$i)
+{
+    my $status = 0;
+    if (exists $recover_failures{$i})
+    {
+        $status = 2;
+    }
+    $td->runtest("recover " . $badfiles$i-1,
+                 {$td->COMMAND => "test_driver 1 bad$i.pdf"},
+                 {$td->FILE => "bad$i-recover.out",
+                  $td->EXIT_STATUS => $status},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+# See if we can recover the cross reference table on a file that has
+# been appended to even when it deletes and reuses objects.  We can't
+# completely do it in the case of deleted objects, but we can get
+# mostly there.
+$td->runtest("good replaced page contents",
+             {$td->COMMAND =>
+                  "qpdf --static-id -qdf --no-original-object-ids" .
+                  " append-page-content.pdf a.pdf"},
+             {$td->STRING => "",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "append-page-content-good.qdf"});
+$td->runtest("damaged replaced page contents",
+             {$td->COMMAND =>
+                  "qpdf --static-id -qdf --no-original-object-ids" .
+                  " append-page-content-damaged.pdf a.pdf"},
+             {$td->FILE => "append-page-content-damaged.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "append-page-content-damaged.qdf"});
+$td->runtest("run check on damaged file",
+             {$td->COMMAND => "qpdf --check append-page-content-damaged.pdf"},
+             {$td->FILE => "append-page-content-damaged-check.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check with C API",
+             {$td->COMMAND =>
+                  "qpdf-ctest 1 append-page-content-damaged.pdf '' ''"},
+             {$td->FILE => "append-page-content-damaged-c-check.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("recoverable xref errors",
+             {$td->COMMAND =>
+                  "qpdf --check --show-xref xref-errors.pdf"},
+             {$td->FILE => "xref-errors.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("xref loop with append",
+             {$td->COMMAND =>
+                  "qpdf --deterministic-id append-xref-loop.pdf a.pdf"},
+             {$td->FILE => "append-xref-loop.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "append-xref-loop-fixed.pdf"});
+
+$td->runtest("endobj not at newline",
+             {$td->COMMAND =>
+                  "qpdf --deterministic-id endobj-at-eol.pdf a.pdf"},
+             {$td->FILE => "endobj-at-eol.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "endobj-at-eol-fixed.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/exceptions.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/extensions-dictionary.test Added

@@ -0,0 +1,64 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('extensions-dictionary');
+
+my @ext_inputs = ('minimal.pdf', 'extensions-adbe.pdf',
+                  'extensions-other.pdf', 'extensions-adbe-other.pdf');
+my @new_versions = ('1.3', '1.6', '1.7.1', '1.7.2', '1.7.3',
+                    '1.8', '1.8.0', '1.8.2', '1.8.5');
+my $n_tests = (4 * @new_versions + 3) * @ext_inputs;
+foreach my $input (@ext_inputs)
+{
+    my $base = $input;
+    $base =~ s/\.pdf$//;
+    if ($base eq 'minimal')
+    {
+        $base = 'extensions-none';
+    }
+    foreach my $version (@new_versions)
+    {
+        foreach my $op (qw(min force))
+        {
+            $td->runtest("$input: $op version to $version",
+                         {$td->COMMAND =>
+                              "qpdf --static-id" .
+                              " --$op-version=$version $input a.pdf"},
+                         {$td->STRING => "", $td->EXIT_STATUS => 0});
+            $td->runtest("check version information ($op $version)",
+                         {$td->COMMAND => "test_driver 34 a.pdf"},
+                         {$td->FILE => "$base-$op-$version.out",
+                          $td->EXIT_STATUS => 0},
+                         $td->NORMALIZE_NEWLINES);
+            if (($op eq 'force') && ($version eq '1.8.5'))
+            {
+                # Look at the actual file for a few cases to make sure
+                # qdf and non-qdf output are okay
+                $td->runtest("check file",
+                             {$td->FILE => "a.pdf"},
+                             {$td->FILE => "$base-$op-$version.pdf"});
+                $td->runtest("$input: $op version to $version",
+                             {$td->COMMAND =>
+                                  "qpdf --qdf --static-id" .
+                                  " --$op-version=$version $input a.qdf"},
+                             {$td->STRING => "", $td->EXIT_STATUS => 0});
+                $td->runtest("check file",
+                             {$td->FILE => "a.qdf"},
+                             {$td->FILE => "$base-$op-$version.qdf"});
+            }
+        }
+    }
+}
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/extraction.test Added

@@ -0,0 +1,105 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('extraction');
+
+my $n_tests = 13;
+
+$td->runtest("show xref",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-xref"},
+             {$td->FILE => "show-xref.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show pages",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-pages"},
+             {$td->FILE => "show-pages.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-pages-images",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-pages --with-images"},
+             {$td->FILE => "show-pages-images.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-pages-images",
+             {$td->COMMAND => "qpdf shared-images.pdf" .
+                  " --show-pages --with-images"},
+             {$td->FILE => "shared-images-show.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-page-1",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-object=5,0"},
+             {$td->FILE => "show-page-1.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-page-1-content-raw",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-object=7 --raw-stream-data"},
+             {$td->FILE => "show-page-1-content-raw.out",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("show-page-1-content-filtered",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-object=7 --filtered-stream-data"},
+             {$td->FILE => "show-page-1-content-filtered.out",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("show-page-1-content-normalized",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-object=7,0 --filtered-stream-data --normalize-content=y"},
+             {$td->FILE => "show-page-1-content-normalized.out",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("show-page-1-image",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-object=8 --raw-stream-data"},
+             {$td->FILE => "show-page-1-image.out",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("unfilterable stream data",
+             {$td->COMMAND => "qpdf unfilterable.pdf" .
+                  " --show-object=4 --filtered-stream-data"},
+             {$td->FILE => "show-unfilterable.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-xref-by-id",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-object=12"},
+             {$td->FILE => "show-xref-by-id.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-xref-by-id-filtered",
+             {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+                  " --show-object=12 --filtered-stream-data"},
+             {$td->FILE => "show-xref-by-id-filtered.out",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("show trailer",
+             {$td->COMMAND => "qpdf minimal.pdf --show-object=trailer"},
+             {$td->FILE => "show-trailer.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/filter-abbreviations.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/final-version.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/fix-qdf.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/flatten-annotations.test Added

@@ -0,0 +1,94 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('flatten-annotations');
+
+my $n_tests = 0;
+
+# manual-appearances was created by hand-coding appearance streams
+# with graphics that make it easy to test matrix calculations. The
+# result of flattening the annotations was compared visually with
+# okular. Some PDF viewers don't actually display the original version
+# correctly. The pages are as follows:
+# - page 1: normal
+# - page 2: rotate 90 with /F 20 (NoRotate)
+# - page 3: non-trivial matrix
+# - page 4: non-trivial matrix, rotate
+# - page 5: rotate 180 with /F 20
+# - page 6: rotate 90, /F 20, non-trivial matrix
+# - page 7: flags: top is print, middle is screen, bottom is hidden
+# - page 8: rotate 270 with /F 20
+# - page 9: normal -- available for additional testing
+#
+# form-filled-by-acrobat was filled in using the Acrobat Reader
+# android app. One of its appearance streams is actually an image.
+#
+# need-appearances.pdf is based on field-types.pdf with manual edits
+# to turn on NeedAppearances, change /V for several fields, and add
+# the comment annotation from comment-annotation.pdf. The test output
+# includes a flattened version of the comment annotation but not of
+# the form fields. Changes:
+# - field-types.pdf has /NeedAppearances true
+# - text1: blank -> abc
+# - r1: 1 -> 2
+# - list1: blank -> five
+# - combolist1: blank -> pi
+# - drop1: blank -> elephant
+# - combodrop1: blank -> delta
+
+my @annotation_files = (
+    'manual-appearances',
+    'form-filled-by-acrobat',
+    'comment-annotation',
+    'comment-annotation-direct',
+    'sample-form',
+    'need-appearances',
+    'need-appearances-more',
+    );
+$n_tests += 2 * scalar(@annotation_files);
+
+foreach my $f (@annotation_files)
+{
+    my $exp_out = {$td->STRING => "", $td->EXIT_STATUS => 0};
+    if (-f "$f-warn.out")
+    {
+        $exp_out = {$td->FILE => "$f-warn.out", $td->EXIT_STATUS => 3};
+    }
+    $td->runtest("flatten $f",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --static-id --no-original-object-ids" .
+                      " --flatten-annotations=all $f.pdf a.pdf"},
+                 $exp_out,
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$f-out.pdf"});
+}
+
+$n_tests += 4;
+foreach my $f (qw(screen print))
+{
+    $td->runtest("flatten for $f",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --static-id --no-original-object-ids" .
+                      " --flatten-annotations=$f manual-appearances.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "manual-appearances-$f-out.pdf"});
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/form-xobject.test Added

@@ -0,0 +1,101 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('form-xobject');
+
+my $n_tests = 22;
+
+$td->runtest("form xobject creation",
+             {$td->COMMAND => "test_driver 55 fxo-red.pdf"},
+             {$td->STRING => "test 55 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "form-xobjects-out.pdf"});
+foreach (my $i = 56; $i <= 59; ++$i)
+{
+    # See comments in test_driver.cc for a verbal description of what
+    # the resulting files should look like.
+    $td->runtest("overlay transformations",
+                 {$td->COMMAND => "test_driver $i fxo-red.pdf fxo-blue.pdf"},
+                 {$td->STRING => "test $i done\n", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("compare files",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "fx-overlay-$i.pdf"});
+}
+foreach (my $i = 64; $i <= 67; ++$i)
+{
+    # See comments in test_driver.cc for a verbal description of what
+    # the resulting files should look like.
+    $td->runtest("overlay shrink/expand",
+                 {$td->COMMAND =>
+                      "test_driver $i fxo-bigsmall.pdf fxo-smallbig.pdf"},
+                 {$td->STRING => "test $i done\n", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("compare files",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "fx-overlay-$i.pdf"});
+}
+
+my @uo_cases = (
+    '--underlay fxo-green.pdf --repeat=z --to=1-14 --' .
+    ' --overlay fxo-blue.pdf --', # 1
+    '--overlay fxo-green.pdf --from= --repeat=r2,r1 --' .
+    ' --underlay fxo-blue.pdf --from=z-1 --', # 2
+    '--overlay fxo-green.pdf --from= --repeat=r2,r1 --' .
+    ' --underlay fxo-blue.pdf --from=z-1 -- --coalesce-contents', # 3
+    '--overlay fxo-green.pdf --', # 4
+    '--underlay fxo-green.pdf --to=3-7 --', # 5
+    '--overlay fxo-blue.pdf --to=1,1,1,1 --from=1-4 --' .
+    ' --pages . 1 --', #6
+    '--overlay 20-pages.pdf --password=user --', #7
+    );
+$n_tests += 2 * scalar(@uo_cases);
+for (my $i = 1; $i <= scalar(@uo_cases); ++$i)
+{
+    my $args = $uo_cases$i-1;
+    my $outbase = "uo-$i";
+    $td->runtest("overlay/underlay $i",
+                 {$td->COMMAND =>
+                      "qpdf --static-id --qdf --no-original-object-ids" .
+                      " --verbose fxo-red.pdf a.pdf $args"},
+                 {$td->FILE => "$outbase.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("compare files",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$outbase.pdf"});
+}
+$td->runtest("foreach",
+             {$td->COMMAND => "test_driver 71 nested-form-xobjects.pdf"},
+             {$td->FILE => "nested-form-xobjects.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("page operations on form xobject",
+             {$td->COMMAND => "test_driver 72 nested-form-xobjects.pdf"},
+             {$td->FILE => "page-ops-on-form-xobject.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("overlay on page with no resources",
+             {$td->COMMAND =>
+                  "qpdf --deterministic-id page-with-no-resources.pdf" .
+                  " --overlay minimal.pdf -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check overlay with no resources output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "overlay-no-resources.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/from-scratch.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/get-xref.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/image-optimization.test Added

@@ -0,0 +1,60 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('image-optimization');
+
+my @image_opt = (
+    'image-streams', 'image-streams', '',
+    'small-images', 'defaults', '',
+    'small-images', 'min-width',
+     '--oi-min-width=150 --oi-min-height=0 --oi-min-area=0',
+    'small-images', 'min-height',
+     '--oi-min-width=0 --oi-min-height=150 --oi-min-area=0',
+    'small-images', 'min-area',
+     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=30000',
+    'small-images', 'min-area-all',
+     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=30000',
+    'large-inline-image', 'inline-images',
+     '--ii-min-bytes=0',
+    'large-inline-image', 'inline-images-all-size',
+     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=0 --ii-min-bytes=0',
+    'large-inline-image', 'inline-images-keep-some', '',
+    'large-inline-image', 'inline-images-keep-all', '--keep-inline-images',
+    'unsupported-optimization', 'unsupported',
+     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=0',
+    );
+
+my $n_tests = 2 * scalar(@image_opt);
+
+foreach my $d (@image_opt)
+{
+    my ($f, $description, $args) = @$d;
+
+    $td->runtest("optimize images: $description",
+                 {$td->COMMAND =>
+                      "qpdf --static-id --optimize-images --verbose" .
+                      " $args $f.pdf a.pdf",
+                      $td->FILTER => "perl filter-optimize-images.pl"},
+                 {$td->FILE => "optimize-images-$description.out",
+                      $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check json: $description",
+                 {$td->COMMAND => "qpdf --json --json-key=pages a.pdf"},
+                 {$td->FILE => "optimize-images-$description-json.out",
+                      $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/inline-images.test Added

@@ -0,0 +1,110 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use Digest::MD5;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('inline-images');
+
+my $n_compare_pdfs = 0;
+my $n_tests = 10;
+
+# The file large-inline-image.pdf is a hand-crafted file with several
+# inline images of various sizes including one that is two megabytes,
+# encoded in base85, and has a base85-encoding that contains EI
+# surrounded by delimiters several times. This exercises the EI
+# detection code added in qpdf 8.4.
+
+$td->runtest("complex inline image parsing",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id large-inline-image.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "large-inline-image.qdf"});
+
+$td->runtest("eof in inline image",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id eof-in-inline-image.pdf a.pdf"},
+             {$td->FILE => "eof-inline-qdf.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "eof-in-inline-image.qdf"});
+$td->runtest("externalize eof in inline image",
+             {$td->COMMAND =>
+                  "qpdf --qdf --externalize-inline-images" .
+                  " --static-id eof-in-inline-image.pdf a.pdf"},
+             {$td->FILE => "eof-inline-qdf.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "eof-in-inline-image-ii.qdf"});
+$td->runtest("externalize damaged image",
+             {$td->COMMAND =>
+                  "qpdf --externalize-inline-images" .
+                  " --compress-streams=n --static-id" .
+                  " damaged-inline-image.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "damaged-inline-image-out.pdf"});
+$td->runtest("named colorspace",
+             {$td->COMMAND =>
+                  "qpdf --static-id --externalize-inline-images" .
+                  " --ii-min-bytes=0 inline-image-colorspace-lookup.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "inline-image-colorspace-lookup-out.pdf"});
+
+
+my @eii_tests = (
+    'inline-images', 80,
+    'large-inline-image', 1024,
+    'nested-form-xobjects-inline-images', 20,
+    );
+$n_tests += 4 * scalar(@eii_tests);
+$n_compare_pdfs += 2 * scalar(@eii_tests);
+
+foreach my $d (@eii_tests)
+{
+    my ($file, $threshold) = @$d;
+    $td->runtest("inline image $file (all)",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --static-id --externalize-inline-images" .
+                      " --ii-min-bytes=0 $file.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$file-ii-all.pdf"});
+    compare_pdfs($td, "$file.pdf", "a.pdf");
+
+    $td->runtest("inline image $file (some)",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --static-id --externalize-inline-images" .
+                      " --ii-min-bytes=$threshold $file.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$file-ii-some.pdf"});
+    compare_pdfs($td, "$file.pdf", "a.pdf");
+}
+
+cleanup();
+$td->report(calc_ntests($n_tests, $n_compare_pdfs));

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/interactive-form.test Added

@@ -0,0 +1,74 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('interactive-form');
+
+my @form_tests = (
+    'minimal',
+    'form-empty-from-odt',
+    'form-mod1',
+    # Atril (MATE Document Viewer) 1.20.1 dumps appearance streams
+    # when modifying form fields, leaving /NeedAppearances true.
+    'form-filled-with-atril',
+    'form-bad-fields-array',
+    'form-errors',
+    'form-document-defaults',
+    );
+
+my $n_tests = scalar(@form_tests) + 6;
+
+# Many of the form*.pdf files were created by converting the
+# LibreOffice document storage/form.odt to PDF and then manually
+# modifying the resulting PDF in various ways. That file would be good
+# starting point for generation of more complex forms should that be
+# required in the future. The file storage/form.pdf is a direct export
+# from LibreOffice with no modifications. The files
+# storage/field-types.odt and storage/field-types.pdf are the basis of
+# field-types.pdf used elsewhere in the test suite.
+
+foreach my $f (@form_tests)
+{
+    $td->runtest("form test: $f",
+                 {$td->COMMAND => "test_driver 43 $f.pdf"},
+                 {$td->FILE => "form-$f.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+$td->runtest("fill fields",
+             {$td->COMMAND => "test_driver 44 form-no-need-appearances.pdf"},
+             {$td->FILE => "form-no-need-appearances.out",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "form-no-need-appearances-filled.pdf"});
+
+$td->runtest("button fields",
+             {$td->COMMAND => "test_driver 51 button-set.pdf"},
+             {$td->FILE => "button-set.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "button-set-out.pdf"});
+
+$td->runtest("broken button fields",
+             {$td->COMMAND => "test_driver 51 button-set-broken.pdf"},
+             {$td->FILE => "button-set-broken.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "button-set-broken-out.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/invalid-objects.test Added

@@ -0,0 +1,37 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('invalid-objects');
+
+my $n_tests = 3;
+
+$td->runtest("closed input source",
+             {$td->COMMAND => "test_driver 73 minimal.pdf"},
+             {$td->FILE => "test73.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("empty object",
+             {$td->COMMAND => "qpdf -show-object=7,0 empty-object.pdf"},
+             {$td->FILE => "empty-object.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("object with zero offset",
+             {$td->COMMAND => "qpdf --check zero-offset.pdf"},
+             {$td->FILE => "zero-offset.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/json.test Added

@@ -0,0 +1,167 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use File::Compare;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('json');
+
+my @json_files = (
+    'outlines-with-actions', ,
+    'outlines-with-old-root-dests', ,
+    'page-labels-and-outlines', ,
+    'page-labels-num-tree', ,
+    'image-streams', ,
+    'image-streams-small', ,
+    'field-types', ,
+    'field-types', '--show-encryption-key',
+    'image-streams', '--decode-level=all',
+    'image-streams', '--decode-level=specialized',
+    'attachment-fields', ,
+    'page-labels-and-outlines', '--json-key=objects',
+    'page-labels-and-outlines', '--json-key=pages',
+    'page-labels-and-outlines', '--json-key=pagelabels',
+    'page-labels-and-outlines', '--json-key=outlines',
+    'page-labels-and-outlines',
+     '--json-key=outlines', '--json-key=pages',
+    'page-labels-and-outlines',
+     '--json-key=objects', '--json-object=trailer',
+    'page-labels-and-outlines',
+     '--json-key=objects', '--json-object=trailer', '--json-object=2 0 R',
+    'field-types', '--json-key=acroform',
+    'need-appearances', '--json-key=acroform',
+    'V4-aes', '--json-key=encrypt',
+    'V4-aes', '--json-key=encrypt', '--show-encryption-key',
+);
+my $n_tests = 25 + (2 * scalar(@json_files));
+foreach my $d (@json_files)
+{
+    my ($file, $xargs) = @$d;
+    my $out = "json-$file";
+    foreach my $x (@$xargs)
+    {
+        my $y = $x;
+        $y =~ s/^.*=//;
+        $y =~ s/\s.*//;
+        $out .= "-$y";
+    }
+    my $in = "$file.pdf";
+    $td->runtest("json v1 $out",
+                 {$td->COMMAND =>
+                      'qpdf', '--json=1', '--test-json-schema',
+                       @$xargs, $in},
+                 {$td->FILE => "$out-v1.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    for (@$xargs)
+    {
+        s/--json-key=objects/--json-key=qpdf/;
+    }
+    $td->runtest("json v2 $out",
+                 {$td->COMMAND =>
+                      'qpdf', '--json=2', '--test-json-schema', @$xargs, $in},
+                 {$td->FILE => "$out-v2.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+$td->runtest("bad json stream data (inline)",
+             {$td->COMMAND =>
+                  "qpdf --json-output=2 --decode-level=all" .
+                  " --json-stream-data=inline bad-data.pdf a.json"},
+             {$td->FILE => "bad-data-json.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check (inline)",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "json-bad-data-json-inline-v2.out"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("bad json stream data (file)",
+             {$td->COMMAND =>
+                  "qpdf --json-output=2 --decode-level=all" .
+                  " --json-stream-data=file --json-stream-prefix=auto" .
+                  " bad-data.pdf a.json"},
+             {$td->FILE => "bad-data-json.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check (file)",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "json-bad-data-json-file-v2.out"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check stream (file)",
+             {$td->FILE => "auto-4"},
+             {$td->FILE => "bad-data-4.out"});
+
+foreach my $l (qw(none generalized specialized all))
+{
+    if ($l ne 'all')
+    {
+        # We don't want a dependency on the exact value of the
+        # uncompressed jpeg, which can differ depending on which jpeg
+        # library is use.
+        $td->runtest("image-streams json inline: $l",
+                     {$td->COMMAND =>
+                          "qpdf image-streams-small.pdf - --json-output=2" .
+                          " --decode-level=$l --json-stream-data=inline"},
+                     {$td->FILE => "json-image-streams-$l-inline-v2.out",
+                          $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+    }
+    $td->runtest("image-streams json file: $l",
+                 {$td->COMMAND =>
+                      "qpdf image-streams-small.pdf - --json-output=2" .
+                      " --decode-level=$l --json-stream-data=file" .
+                      " --json-stream-prefix=auto" .
+                      " --json-object=12 --json-object=16 --json-object=18"},
+                 {$td->FILE => "json-image-streams-$l-file-v2.out",
+                      $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    # object 12: /FlateDecode
+    # object 16: /DCTDecode
+    # object 18: /RunLengthDecode
+    my %exp_compression = (
+        '12' => {'none' => 1},
+        '16' => {'none' => 1, 'generalized' => 1, 'specialized' => 1},
+        '18' => {'none' => 1, 'generalized' => 1},
+        );
+
+    foreach my $obj (qw(12 16 18))
+    {
+        my $compressed = (exists $exp_compression{$obj}{$l});
+        my $suf = $compressed ? "compressed" : "uncompressed";
+        if (($obj eq '16') && (! $compressed))
+        {
+            # Rather than testing the uncompressed DCT, just make sure
+            # it is different from the compressed DCT.
+            my $same = (compare(
+                            "auto-$obj",
+                            "image-streams-small-$obj-compressed.out") ?
+                        "same" : "different");
+            $td->runtest("check stream data ($obj, $l)",
+                         {$td->STRING => $same},
+                         {$td->STRING => "same"});
+        }
+        else
+        {
+            $td->runtest("check stream data ($obj, $l)",
+                         {$td->FILE => "auto-$obj"},
+                         {$td->FILE => "image-streams-small-$obj-$suf.out"});
+        }
+    }
+}
+
+$td->runtest("file to stdout without prefix",
+             {$td->COMMAND =>
+                  "qpdf image-streams-small.pdf - --json-output=2" .
+                  " -json-stream-data=file"},
+             {$td->FILE => "file-stdout-needs-prefix.out",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/keep-files-open.test Added

@@ -0,0 +1,60 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('keep-files-open');
+
+my $n_tests = 4;
+
+{ # local scope
+    open(F, "<minimal.pdf") or die;
+    local $/ = undef;
+    binmode F;
+    my $content = <F>;
+    close(F);
+    for (my $i = 1; $i <= 51; ++$i)
+    {
+        open(F, sprintf(">%03d-kfo.pdf", $i)) or die;
+        binmode F;
+        print F $content;
+        close(F);
+    }
+}
+$td->runtest("automatic disable keep files open",
+             {$td->COMMAND =>
+                  "qpdf --verbose --static-id --empty" .
+                  " --keep-files-open-threshold=50" .
+                  " --pages *kfo.pdf -- a.pdf"},
+             {$td->FILE => "disable-kfo.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("don't disable keep files open",
+             {$td->COMMAND =>
+                  "qpdf --verbose --static-id --empty" .
+                  " --pages 01*kfo.pdf -- a.pdf"},
+             {$td->FILE => "enable-kfo.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("explict keep files open",
+             {$td->COMMAND =>
+                  "qpdf --verbose --static-id --keep-files-open=y --empty" .
+                  " --pages 00?-kfo.pdf -- a.pdf"},
+             {$td->FILE => "kfo-y.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("explicit keep files open = n",
+             {$td->COMMAND =>
+                  "qpdf --verbose --static-id --keep-files-open=n --empty" .
+                  " --pages 00?-kfo.pdf -- a.pdf"},
+             {$td->FILE => "kfo-n.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/large-file.test Added

@@ -0,0 +1,199 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('large-file');
+
+my $large_file_test_path = $ENV{'QPDF_LARGE_FILE_TEST_PATH'} || undef;
+if (defined($large_file_test_path))
+{
+    $large_file_test_path = File::Spec->rel2abs($large_file_test_path);
+    $large_file_test_path =~ s!\\!/!g;
+}
+
+large_cleanup();
+
+my $nlarge = 1;
+if (defined $large_file_test_path)
+{
+    $nlarge = 2;
+}
+else
+{
+    $td->notify("--- Skipping tests on actual large files ---");
+}
+
+my $n_tests = $nlarge * 21;
+for (my $large = 0; $large < $nlarge; ++$large)
+{
+    my $now = time();
+    my $show_time = sub {};
+    if ($large)
+    {
+        $td->notify("--- Running tests on actual large files ---");
+        $show_time = sub {
+            $td->notify("--- time: " . (time() - $now));
+        };
+    }
+    else
+    {
+        $td->notify("--- Running large file tests on small files ---");
+    }
+    my $size = ($large ? "large" : "small");
+    my $file = $large ? "$large_file_test_path/a.pdf" : "a.pdf";
+    my $json = $large ? "$large_file_test_path/a.json" : "a.json";
+    # Pick a stream near the end of the file to test.
+    my $stream = $large ? "$large_file_test_path/a.json-603" : "a.json-603";
+    $now = time();
+    $td->runtest("write test file",
+                 {$td->COMMAND => "test_large_file write $size '$file'"},
+                 {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    &$show_time();
+    $now = time();
+    $td->runtest("read test file",
+                 {$td->COMMAND => "test_large_file read $size '$file'"},
+                 {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    &$show_time();
+    $td->runtest("check",
+                 {$td->COMMAND => "qpdf --suppress-recovery --check '$file'",
+                  $td->FILTER => "grep -v checking"},
+                 {$td->FILE => "large_file-check-normal.out",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+
+    $now = time();
+    $td->runtest("large to json inline",
+                 {$td->COMMAND => "qpdf --json-output '$file' '$json'"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    &$show_time();
+    $now = time();
+    $td->runtest("json inline to large",
+                 {$td->COMMAND =>
+                      "qpdf --json-input --compress-streams=n" .
+                      " --static-id '$json' '$file'"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    &$show_time();
+    $td->runtest("read test file",
+                 {$td->COMMAND => "test_large_file read $size '$file'"},
+                 {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $now = time();
+    $td->runtest("large to json with file",
+                 {$td->COMMAND =>
+                      "qpdf --json-output --json-stream-data=file" .
+                      " '$file' '$json'"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    &$show_time();
+    $td->runtest("inspect json",
+                 {$td->FILE => $json, $td->FILTER => "perl filter-json.pl"},
+                 {$td->FILE => "exp-large-json.json"},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("spot check stream",
+                 {$td->FILE => $stream},
+                 {$td->FILE => "exp-large-stream"},
+                 $td->NORMALIZE_NEWLINES);
+    $now = time();
+    $td->runtest("json with file to large",
+                 {$td->COMMAND =>
+                      "qpdf --json-input" .
+                      " --compress-streams=n '$json' '$file'"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    &$show_time();
+    $td->runtest("read test file",
+                 {$td->COMMAND => "test_large_file read $size '$file'"},
+                 {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+
+    for my $ostream (0, 1)
+    {
+        for my $linearize (0, 1)
+        {
+            if (($ostream == 0) && ($linearize == 0))
+            {
+                # Original file has no object streams and is not linearized.
+                next;
+            }
+            my $args = "";
+            my $omode = $ostream ? "generate" : "disable";
+            my $lin = $linearize ? "--linearize" : "";
+            my $newfile = "$file-new";
+
+            $td->runtest("transform: ostream=$ostream, linearize=$linearize",
+                         {$td->COMMAND =>
+                              "qpdf --stream-data=preserve" .
+                              " --object-streams=$omode" .
+                              " $lin '$file' '$newfile'"},
+                         {$td->STRING => "", $td->EXIT_STATUS => 0});
+            $td->runtest("read: ostream=$ostream, linearize=$linearize",
+                         {$td->COMMAND =>
+                              "test_large_file read $size '$newfile'"},
+                         {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
+                         $td->NORMALIZE_NEWLINES);
+            my $check_out =
+                ($linearize
+                 ? ($ostream
+                    ? "large_file-check-ostream-linearized.out"
+                    : "large_file-check-linearized.out")
+                 : ($ostream
+                    ? "large_file-check-ostream.out"
+                    : "large_file-check-normal.out"));
+            $td->runtest("check: ostream=$ostream, linearize=$linearize",
+                         {$td->COMMAND =>
+                              "qpdf --suppress-recovery --check '$newfile'",
+                          $td->FILTER => "grep -v checking"},
+                         {$td->FILE => $check_out, $td->EXIT_STATUS => 0},
+                         $td->NORMALIZE_NEWLINES);
+            unlink $newfile;
+        }
+    }
+
+    # Clobber xref
+    open(F, "+<$file") or die;
+    seek(F, -50, 2);
+    my $pos = tell F;
+    my $buf;
+    read(F, $buf, 50);
+    die unless $buf =~ m/^(.*startxref\n)\d+/s;
+    $pos += length($1);
+    seek(F, $pos, 0) or die;
+    print F "oops" or die;
+    close(F);
+
+    my $cmd = +{$td->COMMAND => "test_large_file read $size '$file'"};
+    if ($large)
+    {
+        $cmd->{$td->FILTER} = "sed -e 's,$large_file_test_path/,,'";
+    }
+    $td->runtest("reconstruct xref table",
+                 $cmd,
+                 {$td->FILE => "large_file_xref_reconstruct.out",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    unlink $file;
+    large_cleanup();
+}
+
+large_cleanup();
+
+sub large_cleanup
+{
+    cleanup();
+    system("rm -f a.json* a.pdf*");
+    if (defined $large_file_test_path)
+    {
+        system("rm -f $large_file_test_path/a.pdf*" .
+               " $large_file_test_path/a.json*");
+    }
+}
+
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/library-version.test Added

@@ -0,0 +1,35 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('library-version');
+
+my $n_tests = 3;
+
+$td->runtest("qpdf version",
+             {$td->COMMAND => "qpdf --version"},
+             {$td->REGEXP => ".*qpdf version \\S+\n.*", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("qpdf copyright contains version too",
+             {$td->COMMAND => "qpdf --copyright"},
+             {$td->REGEXP => "(?s)qpdf version \\S+\n.*Apache.*",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C API: qpdf version",
+             {$td->COMMAND => "qpdf-ctest --version"},
+             {$td->REGEXP => "qpdf-ctest version \\S+\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/linearization.test Added

@@ -0,0 +1,133 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('linearization');
+
+my $n_tests = 0;
+# $n_tests incremented after initialization of @linearized_files and
+# @to_linearize.
+
+# *'ed files were linearized with Pdlin.
+my @linearized_files =
+    ('lin0',                    #   not linearized
+     'lin1',                    # * outlines, page labels, pdlin
+     'lin2',                    # * lin1 with null and newline
+     'lin3',                    #   same file saved with acrobat
+     'lin4',                    # * lin1 with no /PageMode
+     'lin5',                    #   lin3 with embedded thumbnails
+     'lin6',                    # * lin5 with pdlin
+     'lin7',                    #   lin5 with /PageMode /UseThumbs
+     'lin8',                    # * lin7 with pdlin
+     'lin9',                    # * shared objects, indirect null
+     'badlin1',                 #   parameter dictionary errors
+     );
+
+my @to_linearize =
+    ('lin-special',             # lots of weird cases -- see file comments
+     'delete-and-reuse',        # deleted, reused objects
+     'lin-delete-and-reuse',    # linearized, then delete and reuse
+     'object-stream',           # contains object streams
+     'hybrid-xref',             # contains both xref tables and streams
+     'gen1',                    # has objects with generation > 0
+     'direct-outlines',         # /Outlines is a direct object
+     @linearized_files,         # we should be able to relinearize
+     );
+
+$n_tests += @linearized_files + 6;
+$n_tests += (3 * @to_linearize * 5) + 6;
+
+foreach my $base (@linearized_files)
+{
+    $td->runtest("dump linearization: $base",
+                 {$td->COMMAND => "qpdf --show-linearization $base.pdf"},
+                 {$td->FILE => "$base.out",
+                  $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+# Check normal modified and linearized modified files, making sure
+# that their qdf files are identical.  The next two tests have the
+# same expected output files and different input files.
+check_pdf($td, "modified",
+          "qpdf --static-id --qdf --no-original-object-ids" .
+          " delete-and-reuse.pdf", "delete-and-reuse.qdf",
+          0);
+check_pdf($td, "linearized and modified",
+          "qpdf --static-id --qdf --no-original-object-ids" .
+          " lin-delete-and-reuse.pdf", "delete-and-reuse.qdf", # same output
+          0);
+
+$td->runtest("check linearized and modified",
+             {$td->COMMAND => "qpdf --check lin-delete-and-reuse.pdf"},
+             {$td->FILE => "lin-delete-and-reuse-check.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check multiple modifications",
+             {$td->COMMAND => "qpdf --check delete-and-reuse.pdf"},
+             {$td->FILE => "delete-and-reuse-check.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+foreach my $base (@to_linearize)
+{
+    foreach my $omode (qw(disable preserve generate))
+    {
+        my $oarg = "-object-streams=$omode";
+        my $sdarg = "";
+        if (($base eq 'lin-special') || ($base eq 'object-stream'))
+        {
+            $sdarg = "--stream-data=uncompress";
+        }
+        $td->runtest("linearize $base ($omode)",
+                     {$td->COMMAND =>
+                          "qpdf -linearize $oarg $sdarg" .
+                          " --static-id $base.pdf a.pdf"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+        $td->runtest("check linearization",
+                     {$td->COMMAND => "qpdf --check-linearization a.pdf"},
+                     {$td->STRING => "a.pdf: no linearization errors\n",
+                      $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+        # Relinearizing twice should produce identical results.  We
+        # have to do it twice because, if objects changed ordering
+        # during the original linearization, the hint tables won't
+        # exactly match.  This is because object identifiers are
+        # inserted into the hint table in their original order since
+        # we don't yet have renumbering information when we compute
+        # the table values.
+        $td->runtest("relinearize $base 1",
+                     {$td->COMMAND =>
+                          "qpdf -linearize $sdarg --static-id a.pdf b.pdf"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+        $td->runtest("relinearize $base 2",
+                     {$td->COMMAND =>
+                          "qpdf -linearize $sdarg --static-id b.pdf c.pdf"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+        $td->runtest("compare files ($omode)",
+                     {$td->FILE => "b.pdf"},
+                     {$td->FILE => "c.pdf"});
+        if (($base eq 'lin-special') || ($base eq 'object-stream'))
+        {
+            $td->runtest("check $base ($omode)",
+                         {$td->FILE => "a.pdf"},
+                         {$td->FILE => "$base.$omode.exp"});
+        }
+    }
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/linearize-pass1.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/many-nulls.test Added

@@ -0,0 +1,34 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('many-nulls');
+
+# The output of test_many_nulls is also used in performance testing.
+# If it changes, consider whether it should be updated in
+# performance-test-files as well. See performance_check at the top of
+# the source tree.
+$td->runtest("create file with many nulls",
+             {$td->COMMAND => "test_many_nulls a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "many-nulls.pdf"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("run check file",
+             {$td->COMMAND => "qpdf --check a.pdf"},
+             {$td->FILE => "many-nulls.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+cleanup();
+$td->report(3);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/merge-and-split.test Added

@@ -0,0 +1,186 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('merge-and-split');
+
+my $n_tests = 28;
+
+# Select pages from the same file multiple times including selecting
+# twice from an encrypted file and specifying the password only the
+# first time.  The file 20-pages.pdf is specified with two different
+# paths to duplicate a page.
+my $pages_options = "--pages page-labels-and-outlines.pdf 1,3,5-7,z" .
+    " 20-pages.pdf --password=user z-15" .
+    " page-labels-and-outlines.pdf 12" .
+    " 20-pages.pdf 10" .
+    " ./20-pages.pdf --password=owner 10" .
+    " minimal.pdf 1 --";
+
+$td->runtest("merge three files",
+             {$td->COMMAND => "qpdf page-labels-and-outlines.pdf a.pdf" .
+                  " $pages_options --static-id --verbose --progress",
+                  $td->FILTER => "perl filter-progress.pl"},
+             {$td->FILE => "verbose-merge.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+# Manually verified about this file: make sure that outline entries
+# that pointed to pages that were preserved still work in the copy,
+# and verify that all pages are as expected.  page-labels-and-outlines
+# as well as 20-pages have text on page n (from 1) that shows its page
+# position from 0, so page 1 says it's page 0.
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "merge-three-files-1.pdf"});
+# Select the same pages but add them to an empty file
+$td->runtest("merge three files",
+             {$td->COMMAND => "qpdf --empty a.pdf" .
+                  " $pages_options --static-id"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+# Manually verified about this file: it has the same pages but does
+# not contain outlines or other things from the original file.
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "merge-three-files-2.pdf"});
+$td->runtest("avoid respecification of password",
+             {$td->COMMAND =>
+                  "qpdf --empty a.pdf --copy-encryption=20-pages.pdf" .
+                  " --allow-weak-crypto" .
+                  " --encryption-file-password=user" .
+                  " --pages 20-pages.pdf 1,z -- --static-id"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "pages-copy-encryption.pdf"});
+$td->runtest("merge with implicit ranges",
+             {$td->COMMAND =>
+                  "qpdf --empty a.pdf" .
+                  " --pages minimal.pdf 20-pages.pdf --password=user" .
+                  " page-labels-and-outlines.pdf --" .
+                  " --static-id"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "merge-implicit-ranges.pdf"});
+$td->runtest("merge with . and implicit ranges",
+             {$td->COMMAND =>
+                  "qpdf minimal.pdf a.pdf --pages minimal.pdf . 1 --" .
+                  " --static-id"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "merge-dot-implicit-ranges.pdf"});
+$td->runtest("merge with multiple labels",
+             {$td->COMMAND =>
+                  "qpdf --empty a.pdf" .
+                  " --pages 11-pages-with-labels.pdf 8-11" .
+                  " minimal.pdf " .
+                  " page-labels-and-outlines.pdf 17-19 --" .
+                  " --static-id"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "merge-multiple-labels.pdf"});
+$td->runtest("remove labels",
+             {$td->COMMAND =>
+                  "qpdf --empty a.pdf" .
+                  " --remove-page-labels" .
+                  " --pages 11-pages-with-labels.pdf 8-11" .
+                  " minimal.pdf " .
+                  " page-labels-and-outlines.pdf 17-19 --" .
+                  " --static-id"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "remove-labels.pdf"});
+
+$td->runtest("split with shared resources",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id" .
+                  " --remove-unreferenced-resources=yes" .
+                  " shared-images.pdf --pages . 1,3" .
+                  " ./shared-images.pdf 1,2 -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "shared-images-pages-out.pdf"});
+
+$td->runtest("split with really shared resources",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id" .
+                  " --remove-unreferenced-resources=yes" .
+                  " shared-images.pdf --pages . 1,3" .
+                  " . 1,2 -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "really-shared-images-pages-out.pdf"});
+
+$td->runtest("shared resources relevant errors",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id" .
+                  " shared-images-errors.pdf --pages . 2 -- a.pdf"},
+             {$td->FILE => "shared-images-errors-2.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "shared-images-errors-2-out.pdf"});
+
+# This test used to generate warnings about images on pages we didn't
+# care about, but qpdf was modified not to process those pages, so the
+# "irrelevant" errors went away.
+$td->runtest("shared resources irrelevant errors",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id" .
+                  " shared-images-errors.pdf --pages . 1 -- a.pdf"},
+             {$td->STRING => "",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "shared-images-errors-1-out.pdf"});
+
+$td->runtest("don't remove shared resources",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id --preserve-unreferenced-resources" .
+                  " shared-images.pdf --pages . 1,3 -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "shared-images-errors-1-3-out.pdf"});
+
+$td->runtest("duplicate pages",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id 11-pages-with-labels.pdf" .
+                  " --pages . 6,5,6 . 5 minimal.pdf 1,1 minimal.pdf 1 --" .
+                  " a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "duplicate-pages.pdf"});
+
+# See https://github.com/qpdf/qpdf/issues/399 -- we don't want to
+# break this, especially if we ever implement deduplication of
+# identical streams.
+$td->runtest("force full page duplication",
+             {$td->COMMAND => "qpdf --static-id minimal.pdf" .
+                  " --pages . ./minimal.pdf -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "deep-duplicate-pages.pdf"});
+
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/merge-dictionary.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/multiple-indirection.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/mutability.test Added

@@ -0,0 +1,47 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('mutability');
+
+my $n_tests = 5;
+
+$td->runtest("no normalization",
+             {$td->COMMAND => "test_driver 4 test4-1.pdf"},
+             {$td->FILE => "test4-1.qdf",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("object ordering",
+             {$td->COMMAND => "test_driver 4 test4-4.pdf"},
+             {$td->FILE => "test4-4.qdf",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("make direct with allow_streams",
+             {$td->COMMAND => "test_driver 4 test4-5.pdf"},
+             {$td->FILE => "test4-5.qdf",
+              $td->EXIT_STATUS => 0});
+
+$td->runtest("stream detected",
+             {$td->COMMAND => "test_driver 4 test4-2.pdf"},
+             {$td->FILE => "test4-2.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("loop detected",
+             {$td->COMMAND => "test_driver 4 test4-3.pdf"},
+             {$td->FILE => "test4-3.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/name-normalization.test Added

@@ -0,0 +1,52 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('name-normalization');
+
+my $n_tests = 6;
+
+$td->runtest("check pound in name",
+             {$td->COMMAND =>
+                  "test_driver 1 pound-in-name.pdf"},
+             {$td->FILE => "pound-in-name.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("convert pound in name",
+             {$td->COMMAND => "qpdf --static-id --qdf" .
+                  " pound-in-name.pdf a.pdf"},
+             {$td->FILE => "pound-in-name-qdf.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "pound-in-name.qdf"});
+
+$td->runtest("check pound in image names",
+             {$td->COMMAND =>
+                  "qpdf --check name-pound-images.pdf"},
+             {$td->FILE => "name-pound-images.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("convert pound in image names",
+             {$td->COMMAND => "qpdf --static-id --qdf" .
+                  " name-pound-images.pdf a.pdf"},
+             {$td->FILE => "name-pound-images-qdf.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "name-pound-images.qdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/name-number-trees.test Added

@@ -0,0 +1,43 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('name-number-trees');
+
+my $n_tests = 6;
+
+$td->runtest("number trees",
+             {$td->COMMAND => "test_driver 46 number-tree.pdf"},
+             {$td->FILE => "number-tree.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("name trees",
+             {$td->COMMAND => "test_driver 48 name-tree.pdf"},
+             {$td->FILE => "name-tree.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("nntree split",
+             {$td->COMMAND => "test_driver 74 split-nntree.pdf"},
+             {$td->FILE => "split-nntree.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "split-nntree-out.pdf"});
+$td->runtest("nntree erase",
+             {$td->COMMAND => "test_driver 75 erase-nntree.pdf"},
+             {$td->FILE => "erase-nntree.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "erase-nntree-out.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/newline-before-endstream.test Added

@@ -0,0 +1,59 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('newline-before-endstream');
+
+my $n_tests = 12;
+
+# From issue 133, http://verapdf.org/software/ is an open source
+# package that can verify PDF/A compliance. This could potentially be
+# useful for manual or automated verification that qpdf doesn't break
+# PDF/A compliance should that ever be desired.
+
+foreach my $d (
+    '--qdf', 'qdf', 'qdf',
+    '--newline-before-endstream', 'newline', 'nl',
+    '--qdf --newline-before-endstream', 'newline and qdf', 'nl-qdf',
+    '--object-streams=generate --newline-before-endstream',
+     'newline and object streams', 'nl-objstm',
+    )
+{
+    my ($flags, $description, $suffix) = @$d;
+    $td->runtest("newline before endstream: $description",
+                 {$td->COMMAND => "qpdf --static-id --stream-data=preserve" .
+                      " $flags streams-with-newlines.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output ($description)",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "newline-before-endstream-$suffix.pdf"});
+    if ($flags =~ /qdf/)
+    {
+        $td->runtest("fix-qdf",
+                     {$td->COMMAND => "fix-qdf a.pdf"},
+                     {$td->FILE => "a.pdf", $td->EXIT_STATUS => 0});
+    }
+}
+
+$td->runtest("newline before endstream (C)",
+             {$td->COMMAND =>
+                  "qpdf-ctest 22 streams-with-newlines.pdf '' a.pdf"},
+             {$td->STRING => "C test 22 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "newline-before-endstream-nl.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/numbers-and-strings.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/object-copying.test Added

@@ -0,0 +1,55 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('object-copying');
+
+my $n_tests = 9;
+
+$td->runtest("shallow copy an array",
+             {$td->COMMAND => "test_driver 20 shallow_array.pdf"},
+             {$td->STRING => "test 20 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "shallow_array-out.pdf"});
+$td->runtest("shallow copy a stream",
+             {$td->COMMAND => "test_driver 21 shallow_array.pdf"},
+             {$td->FILE => "shallow_stream.out", $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("warn for unknown key in Pages",
+             {$td->COMMAND => "test_driver 23 lin-special.pdf"},
+             {$td->FILE => "pages-warning.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("reserved objects",
+             {$td->COMMAND => "test_driver 24 minimal.pdf"},
+             {$td->FILE => "reserved-objects.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "reserved-objects.pdf"});
+$td->runtest("detect foreign object in write",
+             {$td->COMMAND => "test_driver 29" .
+                  " copy-foreign-objects-in.pdf minimal.pdf"},
+             {$td->FILE => "foreign-in-write.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("copy a stream",
+             {$td->COMMAND => "test_driver 79 minimal.pdf"},
+             {$td->STRING => "test 79 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "test79.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/object-handle-api.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/object-stream.test Added

@@ -0,0 +1,91 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use Digest::MD5;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('object-stream');
+
+my $n_tests = 3 + (36 * 4) + (12 * 2);
+my $n_compare_pdfs = 36;
+
+for (my $n = 16; $n <= 19; ++$n)
+{
+    my $in = "good$n.pdf";
+    foreach my $flags ('-object-streams=disable',
+                       '-object-streams=preserve',
+                       '-object-streams=generate')
+    {
+        foreach my $qdf ('-qdf', '', '-allow-weak-crypto -encrypt "" x 128 --')
+        {
+            # 4 tests + 1 compare_pdfs * 36 cases
+            # 2 additional tests * 12 cases
+            $td->runtest("object stream mode",
+                         {$td->COMMAND =>
+                              "qpdf --static-id $flags $qdf $in a.pdf"},
+                         {$td->STRING => "",
+                          $td->EXIT_STATUS => 0});
+            compare_pdfs($td, "good$n.pdf", "a.pdf");
+            if ($qdf eq '-qdf')
+            {
+                $td->runtest("fix-qdf identity check",
+                             {$td->COMMAND => "fix-qdf a.pdf >| b.pdf"},
+                             {$td->STRING => "", $td->EXIT_STATUS => 0});
+                $td->runtest("compare files",
+                             {$td->FILE => "a.pdf"},
+                             {$td->FILE => "b.pdf"});
+            }
+            $td->runtest("convert to qdf",
+                         {$td->COMMAND =>
+                              "qpdf --static-id --no-original-object-ids" .
+                              " -qdf -decrypt" .
+                              " -object-streams=disable $in a.qdf"},
+                         {$td->STRING => "",
+                          $td->EXIT_STATUS => 0});
+            $td->runtest("convert output to qdf",
+                         {$td->COMMAND =>
+                              "qpdf --static-id --no-original-object-ids" .
+                              " -qdf -object-streams=disable a.pdf b.qdf"},
+                         {$td->STRING => "",
+                          $td->EXIT_STATUS => 0});
+            $td->runtest("compare files",
+                         {$td->FILE => "a.qdf"},
+                         {$td->FILE => "b.qdf"});
+        }
+    }
+    flush_tiff_cache();
+}
+
+# The file override-compressed-object.pdf contains an object stream
+# with four strings in it.  The file is then appended.  The appended
+# section overrides one of the four strings with a string in another
+# object stream and another one in an uncompressed object.  The other
+# two strings are left alone.  The test case exercises that all four
+# objects have the correct value.
+$td->runtest("overridden compressed objects",
+             {$td->COMMAND => "test_driver 38 override-compressed-object.pdf"},
+             {$td->FILE => "override-compressed-object.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("generate object streams for gen > 0",
+             {$td->COMMAND => "qpdf --qdf --static-id" .
+                  " --object-streams=generate gen1.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "gen1.qdf"});
+
+
+cleanup();
+$td->report(calc_ntests($n_tests, $n_compare_pdfs));

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/outlines.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/output-redirection.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/overwrite-self.test Added

@@ -0,0 +1,38 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('overwrite-self');
+
+my $n_tests = 3;
+
+copy("minimal.pdf", "a.pdf");
+copy("minimal.pdf", "split-out.pdf");
+# Also tests @- for reading args from stdin
+$td->runtest("don't overwrite self",
+             {$td->COMMAND => "(echo a.pdf; echo a.pdf) | qpdf \@-"},
+             {$td->REGEXP => "input file and output file are the same.*",
+              $td->EXIT_STATUS => 2});
+$td->runtest("output is not really output for split",
+             {$td->COMMAND => "qpdf --split-pages split-out.pdf split-out.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("don't overwrite self (split)",
+             {$td->COMMAND =>
+                  "qpdf --split-pages split-out-1.pdf split-out.pdf"},
+             {$td->REGEXP =>
+                  ".*split pages would overwrite.* split-out-1.pdf",
+                  $td->EXIT_STATUS => 2});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/page-api.test Added

@@ -0,0 +1,65 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('page-api');
+
+$td->runtest("basic page API",
+             {$td->COMMAND => "test_driver 15 page_api_1.pdf"},
+             {$td->STRING => "test 15 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "page_api_1-out.pdf"});
+$td->runtest("manual page manipulation",
+             {$td->COMMAND => "test_driver 16 page_api_1.pdf"},
+             {$td->STRING => "test 16 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "page_api_1-out2.pdf"});
+$td->runtest("duplicate page",
+             {$td->COMMAND => "test_driver 17 page_api_2.pdf"},
+             {$td->FILE => "page_api_2.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("delete and re-add a page",
+             {$td->COMMAND => "test_driver 18 page_api_1.pdf"},
+             {$td->STRING => "test 18 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "page_api_1-out3.pdf"});
+$td->runtest("duplicate page",
+             {$td->COMMAND => "test_driver 19 page_api_1.pdf"},
+             {$td->FILE => "page_api_1.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("remove page we don't have",
+             {$td->COMMAND => "test_driver 22 page_api_1.pdf"},
+             {$td->FILE => "page_api_1.out2", $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("flatten rotation",
+             {$td->COMMAND => "qpdf --static-id --qdf".
+                  " --no-original-object-ids" .
+                  " --flatten-rotation boxes.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "boxes-flattened.pdf"});
+$td->runtest("get box methods",
+             {$td->COMMAND => "test_driver 94 boxes2.pdf"},
+             {$td->STRING => "test 94 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report(12);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/page-errors.test Added

@@ -0,0 +1,40 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('page-errors');
+
+my $n_tests = 5;
+
+$td->runtest("handle page no with contents",
+             {$td->COMMAND => "qpdf --show-pages page-no-content.pdf"},
+             {$td->FILE => "page-no-content.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check no type key for page nodes",
+             {$td->COMMAND => "qpdf --check no-pages-types.pdf"},
+             {$td->FILE => "no-pages-types.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("no type key for page nodes",
+             {$td->COMMAND => "qpdf --static-id --split-pages no-pages-types.pdf a-split-out.pdf"},
+             {$td->FILE => "no-pages-types-fix.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a-split-out-1.pdf"},
+             {$td->FILE => "no-pages-types-fixed.pdf"});
+$td->runtest("detect loops in pages structure",
+             {$td->COMMAND => "qpdf --check pages-loop.pdf"},
+             {$td->FILE => "pages-loop.out", $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/page-labels.test Added

@@ -0,0 +1,33 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('page-labels');
+
+my $n_tests = 3;
+
+$td->runtest("complex page labels",
+             {$td->COMMAND => "test_driver 47 page-labels-num-tree.pdf"},
+             {$td->FILE => "page-labels-num-tree.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("no zero entry for page labels",
+             {$td->COMMAND => "test_driver 47 page-labels-no-zero.pdf"},
+             {$td->FILE => "page-labels-no-zero.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("no page labels",
+             {$td->COMMAND => "test_driver 47 minimal.pdf"},
+             {$td->FILE => "no-page-labels.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/page-without-contents.test Added

@@ -0,0 +1,43 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('page-without-contents');
+
+my $n_tests = 7;
+
+$td->runtest("check no contents",
+             {$td->COMMAND => "qpdf --check no-contents.pdf"},
+             {$td->FILE => "no-contents-check.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+foreach my $arg ('--qdf', '--coalesce-contents', '')
+{
+    $td->runtest("convert no contents ($arg)",
+                 {$td->COMMAND =>
+                      "qpdf $arg --static-id no-contents.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+
+    my $suf = $arg;
+    $suf =~ s/--//;
+    if ($suf eq '')
+    {
+        $suf = "none";
+    }
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "no-contents-$suf.pdf"});
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/pages-tree.test Added

@@ -0,0 +1,87 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('pages-tree');
+
+my $n_tests = 17;
+
+$td->runtest("linearize duplicated pages",
+             {$td->COMMAND =>
+                  "qpdf --static-id --linearize" .
+                  " page_api_2.pdf a.pdf"},
+             {$td->FILE => "duplicate-page-warning.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "linearize-duplicate-page.pdf"});
+$td->runtest("extract duplicated pages",
+             {$td->COMMAND =>
+                  "qpdf --static-id page_api_2.pdf" .
+                  " --pages . -- a.pdf"},
+             {$td->FILE => "duplicate-page-warning.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare files",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "extract-duplicate-page.pdf"});
+$td->runtest("direct pages",
+             {$td->COMMAND =>
+                  "qpdf --static-id direct-pages.pdf --pages . -- a.pdf"},
+             {$td->FILE => "direct-page-warning.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "direct-pages-fixed.pdf"});
+$td->runtest("show direct pages",
+             {$td->COMMAND =>
+                  "qpdf --show-pages direct-pages.pdf"},
+             {$td->FILE => "direct-pages.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+# Json mode for direct and duplicated pages illustrates that the
+# "objects" section the original objects before correction when
+# "pages" is not output but after correct when it is.
+foreach my $f (qw(page_api_2 direct-pages))
+{
+    $td->runtest("json for $f (objects only)",
+                 {$td->COMMAND =>
+                      "qpdf --json=latest $f.pdf" .
+                      " --json-key=qpdf"},
+                 {$td->FILE => "$f-json-objects.out", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("json for $f (with pages)",
+                 {$td->COMMAND =>
+                      "qpdf --json=latest $f.pdf" .
+                      " --json-key=qpdf --json-key=pages 2>warn.tmpout"},
+                 {$td->FILE => "$f-json-pages.out", $td->EXIT_STATUS => 3},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check page warnings",
+                 {$td->FILE => "warn.tmpout"},
+                 {$td->FILE => "$f-json-warning.out"},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("json for $f (with push)",
+                 {$td->COMMAND =>
+                      "qpdf --pages . -- --json=latest $f.pdf" .
+                      " --json-key=qpdf --json-key=pages 2>warn2.tmpout"},
+                 {$td->FILE => "$f-json-pages-push.out", $td->EXIT_STATUS => 3},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check page warnings",
+                 {$td->FILE => "warn2.tmpout"},
+                 {$td->FILE => "$f-json-warning.out"},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/parsed-offset.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/parsing.test Added

@@ -0,0 +1,97 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('parsing');
+
+my $n_tests = 17;
+
+$td->runtest("parse objects from string",
+             {$td->COMMAND => "test_driver 31 minimal.pdf"}, # file not used
+             {$td->FILE => "parse-object.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("EOF terminating literal tokens",
+             {$td->COMMAND => "qpdf --check eof-terminates-literal.pdf"},
+             {$td->FILE => "eof-terminates-literal.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("EOF reading token",
+             {$td->COMMAND => "qpdf --check eof-reading-token.pdf"},
+             {$td->FILE => "eof-reading-token.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("extra header text",
+             {$td->COMMAND => "test_driver 32 minimal.pdf"},
+             {$td->FILE => "test-32.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "extra-header-no-newline.pdf"});
+$td->runtest("check output",
+             {$td->FILE => "b.pdf"},
+             {$td->FILE => "extra-header-lin-no-newline.pdf"});
+$td->runtest("check output",
+             {$td->FILE => "c.pdf"},
+             {$td->FILE => "extra-header-newline.pdf"});
+$td->runtest("check output",
+             {$td->FILE => "d.pdf"},
+             {$td->FILE => "extra-header-lin-newline.pdf"});
+
+# leading-junk also has a space instead of a newline after xref
+$td->runtest("check file with leading junk",
+             {$td->COMMAND => "qpdf --check leading-junk.pdf"},
+             {$td->FILE => "leading-junk.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("EOF inside inline image",
+             {$td->COMMAND => "test_driver 37 eof-in-inline-image.pdf"},
+             {$td->FILE => "eof-in-inline-image.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("tokenize content streams",
+             {$td->COMMAND => "test_driver 37 tokenize-content-streams.pdf"},
+             {$td->FILE => "tokenize-content-streams.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("terminate parsing",
+             {$td->COMMAND => "test_driver 37 terminate-parsing.pdf"},
+             {$td->FILE => "terminate-parsing.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("content stream errors",
+             {$td->COMMAND => "qpdf --check content-stream-errors.pdf"},
+             {$td->FILE => "content-stream-errors.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("ensure arguments to R are direct",
+             {$td->COMMAND => "qpdf --check indirect-r-arg.pdf"},
+             {$td->FILE => "indirect-r-arg.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("no trailing space in xref table",
+             {$td->COMMAND => "qpdf --check no-space-in-xref.pdf"},
+             {$td->FILE => "no-space-in-xref.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# An array is split across multiple content streams starting object
+# 42. This was reported in github issue 73. The file is modified from
+# that example.
+$td->runtest("parse split content stream",
+             {$td->COMMAND => "qpdf --check split-content-stream.pdf"},
+             {$td->FILE => "split-content-stream.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("split content stream errors",
+             {$td->COMMAND => "qpdf --check split-content-stream-errors.pdf"},
+             {$td->FILE => "split-content-stream-errors.out",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/pclm.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/positive-p.test Added

@@ -0,0 +1,41 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('positive-p');
+
+my $n_tests = 4;
+
+# Files have been seen where /P in the encryption dictionary was an
+# unsigned rather than a signed integer. To create
+# encrypted-positive-P.pdf, I temporarily modified QPDFWriter.cc to
+# introduce this error.
+
+$td->runtest("decrypt positive P",
+             {$td->COMMAND =>
+                  "qpdf --decrypt --static-id encrypted-positive-P.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "decrypted-positive-P.pdf"});
+$td->runtest("copy encryption positive P",
+             {$td->COMMAND =>
+                  "qpdf --static-id --static-aes-iv" .
+                  " encrypted-positive-P.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "copied-positive-P.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/precheck-streams.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/preserve-unref.test Added

@@ -0,0 +1,41 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('preserve-unref');
+
+my $n_tests = 6;
+
+$td->runtest("drop unused objects",
+             {$td->COMMAND => "qpdf --static-id unreferenced-objects.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "unreferenced-dropped.pdf"});
+$td->runtest("keep unused objects",
+             {$td->COMMAND => "qpdf --static-id --preserve-unreferenced" .
+                  " unreferenced-objects.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "unreferenced-preserved.pdf"});
+$td->runtest("keep unused objects (C)",
+             {$td->COMMAND =>
+                  "qpdf-ctest 21 unreferenced-objects.pdf '' a.pdf"},
+             {$td->STRING => "C test 21 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "unreferenced-preserved.pdf"});
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/progress-reporting.test Added

@@ -0,0 +1,36 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('progress-reporting');
+
+my $n_tests = 3;
+
+$td->runtest("progress report on small file",
+             {$td->COMMAND =>
+                  "qpdf --progress --deterministic-id minimal.pdf a.pdf",
+                  $td->FILTER => "perl filter-progress.pl"},
+             {$td->FILE => "small-progress.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("progress report to stdout",
+             {$td->COMMAND =>
+                  "qpdf --progress --deterministic-id minimal.pdf - > b.pdf",
+                  $td->FILTER => "perl filter-progress.pl"},
+             {$td->FILE => "small-stdout-progress.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compare",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "b.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf-json.test Added

@@ -0,0 +1,345 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('qpdf-json');
+
+my $n_tests = 0;
+
+my @badfiles = (
+    'no-qpdf-object',
+    'qpdf-not-array',
+    'qpdf-array-too-long',
+    'no-pdf-version',
+    'top-level-scalar',
+    'bad-pdf-version1',
+    'bad-pdf-version2',
+    'top-level-array',
+    'objects-not-dict',
+    'bad-object-key',
+    'object-not-dict',
+    'stream-not-dict',
+    'stream-dict-not-dict',
+    'trailer-not-dict',
+    'trailer-stream',
+    'missing-trailer',
+    'missing-objects',
+    'obj-key-errors',
+    'bad-data',
+    'bad-datafile',
+    );
+
+$n_tests += scalar(@badfiles);
+
+foreach my $f (@badfiles)
+{
+    $td->runtest("bad: $f",
+                 {$td->COMMAND =>
+                      "qpdf --json-input qjson-$f.json a.pdf"},
+                 {$td->FILE => "qjson-$f.out", $td->EXIT_STATUS => 2},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+my @goodfiles = (
+    'good1.pdf',
+    'good9.pdf',
+    'good13.pdf',
+    'good15.pdf',
+    'inline-images.pdf',
+    '20-pages.pdf', '--password=user',
+    'outlines-with-actions.pdf',
+    'form-fields-and-annotations.pdf',
+    'need-appearances.pdf',
+    'fxo-blue.pdf',
+    );
+$n_tests += 6 * scalar(@goodfiles);
+
+foreach my $i (@goodfiles)
+{
+    my $f = $i;
+    my $xargs = "";
+    if (ref($i) eq 'ARRAY') {
+        ($f, $xargs) = @$i;
+    }
+    # explicit "latest" as --json-output version
+    $td->runtest("good: $f -> JSON",
+                 {$td->COMMAND => "qpdf $xargs" .
+                      " --json-output=latest $f a.json"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    # default --json-output version
+    $td->runtest("good: $f JSON -> JSON",
+                 {$td->COMMAND =>
+                      "qpdf --json-input --json-output a.json b.json"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("good: $f JSON -> QDF",
+                 {$td->COMMAND =>
+                      "qpdf --qdf --json-input --stream-data=preserve" .
+                      " --static-id a.json a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("good: $f compare JSON",
+                 {$td->FILE => "a.json"},
+                 {$td->FILE => "b.json"});
+    my $exp = "json-changed-$f";
+    if (! -f $exp)
+    {
+        $td->runtest("good: $f -> aqdf",
+                     {$td->COMMAND =>
+                          "qpdf $xargs --object-streams=disable --qdf" .
+                          " --stream-data=preserve --static-id $f b.pdf"},
+                     {$td->STRING => "", $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+        $exp = "b.pdf";
+    }
+    else
+    {
+        # Sometimes passing through json may make semantically
+        # equivalent changes such as
+        #
+        # * adding leading 0 to a floating point (.1 -> 0.1)
+        # * changing the Unicode representation of a string
+        # * changing the representation of a name (/n#65st -> /nest)
+        $td->runtest("good: json changes $f",
+                     {$td->STRING => ""},
+                     {$td->STRING => ""});
+    }
+    $td->runtest("good: $f compare qdf",
+                 {$td->FILE => "a.pdf"}, # from json
+                 {$td->FILE => $exp});   # from original PDF
+}
+
+$n_tests += 6;
+$td->runtest("manual JSON to PDF",
+             {$td->COMMAND => "qpdf --json-input --static-id --qdf" .
+                  " manual-qpdf-json.json a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check manual JSON to PDF",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "manual-qpdf-json.pdf"});
+$td->runtest("check manual JSON to PDF to JSON",
+             {$td->COMMAND => "qpdf --json-output=2 a.pdf -"},
+             {$td->FILE => "manual-qpdf-json-pdf.json", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("manual JSON to JSON",
+             {$td->COMMAND => "qpdf --json-input --json-output=2" .
+                  " manual-qpdf-json.json a.json"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check manual JSON to JSON",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "manual-qpdf-json-out.json"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check manual JSON to JSON to JSON",
+             {$td->COMMAND => "qpdf --json-output=2 --json-input a.json -"},
+             {$td->FILE => "a.json", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$n_tests += 6;
+$td->runtest("json-output with file",
+             {$td->COMMAND => "qpdf --json-output=2" .
+                  " --json-stream-prefix=auto-1 --json-stream-data=file" .
+                  " minimal.pdf a.json"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check file mode",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "minimal-json-file.out"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("JSON to JSON with file",
+             {$td->COMMAND => "qpdf --json-input --json-output=2" .
+                  " --json-stream-prefix=auto-2 --json-stream-data=file" .
+                  " a.json -"},
+             {$td->FILE => "minimal-json-file-2.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("JSON with file to qdf",
+             {$td->COMMAND => "qpdf --json-input --qdf --static-id" .
+                  " a.json a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("PDF to qdf",
+             {$td->COMMAND => "qpdf --qdf --static-id minimal.pdf b.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check PDF",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "b.pdf"});
+
+# Replace mode tests
+
+$n_tests += 1;
+$td->runtest("create PDF for replace",
+             {$td->COMMAND => "qpdf good13.pdf a.pdf" .
+                  " --update-from-json=qpdf-json-update-errors.json"},
+             {$td->FILE => "update-from-json-errors.out",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+my @update_files = (
+    "update-stream-dict-only",
+    "update-stream-data",
+    "replace-with-stream",
+    "various-updates",
+    );
+$n_tests += 2 * scalar(@update_files);
+
+foreach my $f (@update_files) {
+    $td->runtest("update: $f",
+                 {$td->COMMAND =>
+                      "qpdf good13.pdf a.pdf --qdf --static-id" .
+                      " --update-from-json=$f.json"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("$f: check updated",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$f-updated.pdf"});
+}
+
+# Exercise object description
+$n_tests += 2;
+$td->runtest("json-input object description",
+             {$td->COMMAND => "test_driver 89 manual-qpdf-json.json"},
+             {$td->FILE => "test-89.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("update-from-json object description",
+             {$td->COMMAND => "test_driver 90 good13.pdf various-updates.json"},
+             {$td->FILE => "test-90.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Exercise pushedinheritedpageresources and calledgetallpages
+$n_tests += 12;
+$td->runtest("call getAllPages",
+             {$td->COMMAND =>
+                  "qpdf --json-output duplicate-page-inherited.pdf" .
+                  " --json-key=pages a.json"},
+             {$td->FILE => "duplicate-page-inherited.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check json (1)",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "duplicate-page-inherited-1.json"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("update (1)",
+             {$td->COMMAND =>
+                  "qpdf" .
+                  " --update-from-json=duplicate-page-inherited-update.json" .
+                  " --json-output duplicate-page-inherited.pdf" .
+                  " a.json"},
+             {$td->FILE => "duplicate-page-inherited.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check json (2)",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "duplicate-page-inherited-1-fixed.json"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("create PDF (1)",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id --json-input a.json a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check PDF (1)",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "duplicate-page-inherited-1-fixed.pdf"});
+
+$td->runtest("call pushInheritedAttributesToPage",
+             {$td->COMMAND =>
+                  "qpdf --json-output duplicate-page-inherited.pdf" .
+                  " --json-key=pages --pages . -- a.json"},
+             {$td->FILE => "duplicate-page-inherited.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check json (2)",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "duplicate-page-inherited-2.json"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("update (2)",
+             {$td->COMMAND =>
+                  "qpdf" .
+                  " --update-from-json=duplicate-page-inherited-update2.json" .
+                  " --json-output duplicate-page-inherited.pdf" .
+                  " a.json"},
+             {$td->FILE => "duplicate-page-inherited.out",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check json (3)",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "duplicate-page-inherited-2-fixed.json"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("create PDF (2)",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id --json-input a.json a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check PDF (2)",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "duplicate-page-inherited-2-fixed.pdf"});
+
+$n_tests += 1;
+$td->runtest("simple version of writeJSON",
+             {$td->COMMAND => "test_driver 91 minimal.pdf"},
+             {$td->FILE => "minimal-write-json.json", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$n_tests += 13;
+$td->runtest("C API create from json file",
+             {$td->COMMAND => "qpdf-ctest 42 minimal.json '' a.pdf"},
+             {$td->STRING => "C test 42 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check C API create from file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "qpdf-ctest-42-43.pdf"});
+$td->runtest("C API create from json buffer",
+             {$td->COMMAND => "qpdf-ctest 43 minimal.json '' a.pdf"},
+             {$td->STRING => "C test 43 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check C API create from buffer",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "qpdf-ctest-42-43.pdf"});
+$td->runtest("C API update from json file",
+             {$td->COMMAND =>
+                  "qpdf-ctest 44 minimal.pdf '' a.pdf minimal-update.json"},
+             {$td->STRING => "C test 44 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check C API update from file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "qpdf-ctest-44-45.pdf"});
+$td->runtest("C API update from json buffer",
+             {$td->COMMAND =>
+                  "qpdf-ctest 45 minimal.pdf '' a.pdf minimal-update.json"},
+             {$td->STRING => "C test 45 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check C API update from buffer",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "qpdf-ctest-44-45.pdf"});
+$td->runtest("C API write to JSON 1",
+             {$td->COMMAND =>
+                  "qpdf-ctest 46 minimal.pdf '' a.json"},
+             {$td->STRING => "C test 46 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check C API write to JSON 1",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "qpdf-ctest-46.json"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C API write to JSON 2",
+             {$td->COMMAND =>
+                  "qpdf-ctest 47 minimal.pdf '' a.json auto"},
+             {$td->STRING => "C test 47 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check C API write to JSON 2",
+             {$td->FILE => "a.json"},
+             {$td->FILE => "qpdf-ctest-47.json"},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check C API write to JSON stream",
+             {$td->FILE => "auto-4"},
+             {$td->FILE => "qpdf-ctest-47-4"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/01_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/01_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/02_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/02_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/03_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/03_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/04_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/04_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/05_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/05_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/06_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/06_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/07_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/07_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/08_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/08_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/09_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/09_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/10_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/10_split-exp.zdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/11_split-exp.zdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/11_split-exp.zdf Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/20-pages-check-password-warning.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/20-pages-check.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/V4-aes-clearmeta-encryption.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/V4-aes-clearmeta-encryption.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/V4-aes-encryption.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/V4-aes-encryption.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/V4-clearmeta-encryption.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/V4-clearmeta-encryption.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/V4-clearmeta.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/V4-clearmeta.pdf Changed

@@ -39,7 +39,7 @@
 << /Count 30 /Kids  8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R 14 0 R 15 0 R 16 0 R 17 0 R 18 0 R 19 0 R 20 0 R 21 0 R 22 0 R 23 0 R 24 0 R 25 0 R 26 0 R 27 0 R 28 0 R 29 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R 37 0 R  /Type /Pages >>
 endobj
 6 0 obj
-<< /Count 4 /Dest  13 0 R /XYZ null null null  /First 38 0 R /Last 39 0 R /Next 7 0 R /Parent 4 0 R /Title (\005ª\002\233ýÊÊø*s¤×nÙ³3A Séë\013ßÇ-\(RiY\t\202¿) /Type /Outline >>
+<< /Count 4 /Dest  13 0 R /XYZ null null null  /First 38 0 R /Last 39 0 R /Next 7 0 R /Parent 4 0 R /Title <05aa029bfdcacaf82a73a4d76ed9b33341a053e9eb0bdfc72d285269590982bf> /Type /Outline >>
 endobj
 7 0 obj
 << /Dest  23 0 R /XYZ 66 756 3  /Parent 4 0 R /Prev 6 0 R /Title <fbfbf52a3f051fd4209322cc82b815bc46f26d5a46d53cd5041f9e7d35> /Type /Outline >>
@@ -333,80 +333,80 @@
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/c-invalid-password.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/c-invalid-password.out Changed

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+page dictionary key: /Parent
+page dictionary key: /Resources
+page dictionary key: /Type
+item 0: 0 0.00
+item 1: 0 0.00
+item 2: 612 612.00
+item 3: 792 792.00
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+minimal.pdf (C API object handle 9): attempted access to unknown object handle
+minimal.pdf (C API object handle 9): attempted access to unknown object handle
+warning: minimal.pdf: C API function caught an exception that it isn't returning; please point the application developer to ERROR HANDLING in qpdf-c.h
+  code: 1
+  file: minimal.pdf
+  pos: 0
+  text: C API function caught an exception that it isn't returning; please point the application developer to ERROR HANDLING in qpdf-c.h
+error: minimal.pdf (C API object handle 9): attempted access to unknown object handle
+  code: 1
+  file: minimal.pdf
+  pos: 0
+  text: attempted access to unknown object handle
+C test 24 done

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+  code: 1
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+  pos: 0
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+  pos: 1
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+  code: 7
+  file: 
+  pos: 0
+  text: operation for string attempted on object of type integer: returning empty string
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+  code: 7
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+  code: 7
+  file: 
+  pos: 0
+  text: operation for array attempted on object of type integer: returning null
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+  code: 7
+  file: 
+  pos: 0
+  text: operation for array attempted on object of type integer: ignoring attempt to append item
+array bounds: returning null for out of bounds array access
+  code: 7
+  file: 
+  pos: 0
+  text: returning null for out of bounds array access
+dictionary iter type mismatch: operation for dictionary attempted on object of type integer: treating as empty
+  code: 7
+  file: 
+  pos: 0
+  text: operation for dictionary attempted on object of type integer: treating as empty
+dictionary type mismatch: operation for dictionary attempted on object of type integer: returning null for attempted key retrieval
+  code: 7
+  file: 
+  pos: 0
+  text: operation for dictionary attempted on object of type integer: returning null for attempted key retrieval
+dictionary type mismatch: operation for dictionary attempted on object of type integer: returning false for a key containment request
+  code: 7
+  file: 
+  pos: 0
+  text: operation for dictionary attempted on object of type integer: returning false for a key containment request
+C test 29 done

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-in.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-in.pdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-out1.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-out1.pdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-out2.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-out2.pdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-out3.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/copy-foreign-objects-out3.pdf Changed

@@ -4,7 +4,7 @@
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+succeeded

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+      "contents": 
+        "3 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "7 0 R",
+      "outlines": ,
+      "pageposfrom1": 1
+    },
+    {
+      "contents": 
+        "3 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "8 0 R",
+      "outlines": ,
+      "pageposfrom1": 2
+    }
+  ,
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": true,
+      "calledgetallpages": true,
+      "maxobjectid": 8
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "7 0 R",
+            "8 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "4 0 R"
+          }
+        }
+      },
+      "obj:4 0 R": {
+        "value": 44
+      },
+      "obj:5 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:6 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:7 0 R": {
+        "value": {
+          "/Contents": "3 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "5 0 R"
+            },
+            "/ProcSet": "6 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/Contents": "3 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "5 0 R"
+            },
+            "/ProcSet": "6 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/ID": 
+            "b:1323a5937c577a66735583a93698ce3c",
+            "b:372cbf44f6db88ab60d9263c0f0bd26a"
+          ,
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/direct-pages-json-pages.out Added

@@ -0,0 +1,128 @@
+{
+  "version": 2,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "pages": 
+    {
+      "contents": 
+        "3 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "7 0 R",
+      "outlines": ,
+      "pageposfrom1": 1
+    },
+    {
+      "contents": 
+        "3 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "8 0 R",
+      "outlines": ,
+      "pageposfrom1": 2
+    }
+  ,
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": true,
+      "maxobjectid": 8
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "7 0 R",
+            "8 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "4 0 R"
+          }
+        }
+      },
+      "obj:4 0 R": {
+        "value": 44
+      },
+      "obj:5 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:6 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:7 0 R": {
+        "value": {
+          "/Contents": "3 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "5 0 R"
+            },
+            "/ProcSet": "6 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/Contents": "3 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "5 0 R"
+            },
+            "/ProcSet": "6 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/ID": 
+            "b:1323a5937c577a66735583a93698ce3c",
+            "b:372cbf44f6db88ab60d9263c0f0bd26a"
+          ,
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/direct-pages-json-warning.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/direct-pages.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/direct-pages.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/disable-kfo.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/disable-kfo.out Changed

@@ -50,6 +50,110 @@
 qpdf: processing 049-kfo.pdf
 qpdf: processing 050-kfo.pdf
 qpdf: processing 051-kfo.pdf
+qpdf: empty PDF: checking for shared resources
+qpdf: no shared resources found
+qpdf: 001-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 002-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 003-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 004-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 005-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 006-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 007-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 008-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 009-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 010-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 011-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 012-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 013-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 014-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 015-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 016-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 017-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 018-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 019-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 020-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 021-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 022-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 023-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 024-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 025-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 026-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 027-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 028-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 029-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 030-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 031-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 032-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 033-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 034-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 035-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 036-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 037-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 038-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 039-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 040-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 041-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 042-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 043-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 044-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 045-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 046-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 047-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 048-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 049-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 050-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 051-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
 qpdf: removing unreferenced pages from primary input
 qpdf: adding pages from 001-kfo.pdf
 qpdf: adding pages from 002-kfo.pdf

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/dr-with-indirect-item-out.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/dr-with-indirect-item.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-1-fixed.json Added

@@ -0,0 +1,96 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": true,
+      "maxobjectid": 8
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            }
+          },
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "4 0 R",
+            "7 0 R"
+          ,
+          "/Parent": "2 0 R",
+          "/Type": "/Pages"
+        }
+      },
+      "obj:4 0 R": {
+        "value": {
+          "/Contents": "5 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Type": "/Page"
+        }
+      },
+      "obj:5 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:7 0 R": {
+        "value": {
+          "/Contents": "8 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Type": "/Page"
+        }
+      },
+      "obj:8 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoU2FsYWQpIFRqCkVUCg==",
+          "dict": {}
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-1-fixed.pdf Added

@@ -0,0 +1,142 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
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+>>
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+
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+<<
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+  /Kids 
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+  
+  /Resources <<
+    /Font <<
+      /F1 4 0 R
+    >>
+  >>
+  /Type /Pages
+>>
+endobj
+
+%% Original object ID: 3 0
+3 0 obj
+<<
+  /Count 2
+  /Kids 
+    5 0 R
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+  /Parent 2 0 R
+  /Type /Pages
+>>
+endobj
+
+%% Original object ID: 6 0
+4 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+%% Page 1
+%% Original object ID: 4 0
+5 0 obj
+<<
+  /Contents 7 0 R
+  /MediaBox 
+    0
+    0
+    612
+    792
+  
+  /Parent 3 0 R
+  /Type /Page
+>>
+endobj
+
+%% Page 2
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+6 0 obj
+<<
+  /Contents 9 0 R
+  /MediaBox 
+    0
+    0
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+    792
+  
+  /Parent 3 0 R
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+>>
+endobj
+
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+>>
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+  72 720 Td
+  (Potato) Tj
+ET
+endstream
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+
+8 0 obj
+44
+endobj
+
+%% Contents for page 2
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+9 0 obj
+<<
+  /Length 10 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Salad) Tj
+ET
+endstream
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+
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+endobj
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+  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
+>>
+startxref
+1163
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-1.json Added

@@ -0,0 +1,112 @@
+{
+  "pages": 
+    {
+      "contents": 
+        "5 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "4 0 R",
+      "outlines": ,
+      "pageposfrom1": 1
+    },
+    {
+      "contents": 
+        "5 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "7 0 R",
+      "outlines": ,
+      "pageposfrom1": 2
+    }
+  ,
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": true,
+      "maxobjectid": 7
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            }
+          },
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "4 0 R",
+            "7 0 R"
+          ,
+          "/Parent": "2 0 R",
+          "/Type": "/Pages"
+        }
+      },
+      "obj:4 0 R": {
+        "value": {
+          "/Contents": "5 0 R",
+          "/MediaBox": 
+            0,
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+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Type": "/Page"
+        }
+      },
+      "obj:5 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:7 0 R": {
+        "value": {
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+          "/Parent": "3 0 R",
+          "/Type": "/Page"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-2-fixed.json Added

@@ -0,0 +1,104 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": true,
+      "calledgetallpages": true,
+      "maxobjectid": 9
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "4 0 R",
+            "7 0 R"
+          ,
+          "/Parent": "2 0 R",
+          "/Type": "/Pages"
+        }
+      },
+      "obj:4 0 R": {
+        "value": {
+          "/Contents": "5 0 R",
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+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Resources": "8 0 R",
+          "/Type": "/Page"
+        }
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+      "obj:5 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:7 0 R": {
+        "value": {
+          "/Contents": "9 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F2": "6 0 R"
+            }
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/Font": {
+            "/F1": "6 0 R"
+          }
+        }
+      },
+      "obj:9 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjIgMjQgVGYKICA3MiA3MjAgVGQKICAoU2FsYWQpIFRqCkVUCg==",
+          "dict": {}
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-2-fixed.pdf Added

@@ -0,0 +1,153 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 2 0
+2 0 obj
+<<
+  /Count 2
+  /Kids 
+    3 0 R
+  
+  /Type /Pages
+>>
+endobj
+
+%% Original object ID: 3 0
+3 0 obj
+<<
+  /Count 2
+  /Kids 
+    4 0 R
+    5 0 R
+  
+  /Parent 2 0 R
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+%% Original object ID: 4 0
+4 0 obj
+<<
+  /Contents 6 0 R
+  /MediaBox 
+    0
+    0
+    612
+    792
+  
+  /Parent 3 0 R
+  /Resources 8 0 R
+  /Type /Page
+>>
+endobj
+
+%% Page 2
+%% Original object ID: 7 0
+5 0 obj
+<<
+  /Contents 9 0 R
+  /MediaBox 
+    0
+    0
+    612
+    792
+  
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F2 11 0 R
+    >>
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+%% Original object ID: 5 0
+6 0 obj
+<<
+  /Length 7 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+7 0 obj
+44
+endobj
+
+%% Original object ID: 8 0
+8 0 obj
+<<
+  /Font <<
+    /F1 11 0 R
+  >>
+>>
+endobj
+
+%% Contents for page 2
+%% Original object ID: 9 0
+9 0 obj
+<<
+  /Length 10 0 R
+>>
+stream
+BT
+  /F2 24 Tf
+  72 720 Td
+  (Salad) Tj
+ET
+endstream
+endobj
+
+10 0 obj
+43
+endobj
+
+%% Original object ID: 6 0
+11 0 obj
+<<
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+  /Encoding /WinAnsiEncoding
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+xref
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+  /Root 1 0 R
+  /Size 12
+  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
+>>
+startxref
+1264
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-2.json Added

@@ -0,0 +1,125 @@
+{
+  "pages": 
+    {
+      "contents": 
+        "5 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "4 0 R",
+      "outlines": ,
+      "pageposfrom1": 1
+    },
+    {
+      "contents": 
+        "5 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "7 0 R",
+      "outlines": ,
+      "pageposfrom1": 2
+    }
+  ,
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": true,
+      "calledgetallpages": true,
+      "maxobjectid": 8
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "4 0 R",
+            "7 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Count": 2,
+          "/Kids": 
+            "4 0 R",
+            "7 0 R"
+          ,
+          "/Parent": "2 0 R",
+          "/Type": "/Pages"
+        }
+      },
+      "obj:4 0 R": {
+        "value": {
+          "/Contents": "5 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            }
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:5 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:7 0 R": {
+        "value": {
+          "/Contents": "5 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            }
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/Font": {
+            "/F1": "6 0 R"
+          }
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-update.json Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited-update2.json Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-inherited.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/duplicate-page-warning.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/empty-decode-parms-out.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/empty-decode-parms.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/empty-object.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/empty-object.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/enable-kfo.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/enable-kfo.out Changed

@@ -9,6 +9,28 @@
 qpdf: processing 017-kfo.pdf
 qpdf: processing 018-kfo.pdf
 qpdf: processing 019-kfo.pdf
+qpdf: empty PDF: checking for shared resources
+qpdf: no shared resources found
+qpdf: 010-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 011-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 012-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 013-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 014-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 015-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 016-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 017-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 018-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 019-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
 qpdf: removing unreferenced pages from primary input
 qpdf: adding pages from 010-kfo.pdf
 qpdf: adding pages from 011-kfo.pdf

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/enc-R2,V1,U=view,O=view.pdf Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/enc-R3,V2,U=view,O=view.pdf Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/enc-XI-R6,V5,U=wwwww,O=wwwww.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypt-before-filename.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-40-bit-R3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-40-bit-R3.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-positive-P.pdf Added

@@ -0,0 +1,39 @@
+%PDF-1.7
+%¿÷¢þ
+1 0 obj
+<< /Extensions << /ADBE << /BaseVersion /1.7 /ExtensionLevel 8 >> >> /Pages 2 0 R /Type /Catalog >>
+endobj
+2 0 obj
+<< /Count 1 /Kids  3 0 R  /Type /Pages >>
+endobj
+3 0 obj
+<< /Contents 4 0 R /MediaBox  0 0 612 792  /Parent 2 0 R /Resources << /Font << /F1 5 0 R >> /ProcSet 6 0 R >> /Type /Page >>
+endobj
+4 0 obj
+<< /Length 80 /Filter /FlateDecode >>
+stream
+Pì©ÐuÊ@BÆL$Üõ:je^~&#x5;&#x4;Èj};CñÊ&#x10;5Ì&#x1d;&#xb;£¬\Ì×.¯Ôú(do¤ÕFá
´Gç&#x7f;ï&#x10;±*C5{Ök&#x16;Ó&#x1d;xQ±endstream
+endobj
+5 0 obj
+<< /BaseFont /Helvetica /Encoding /WinAnsiEncoding /Name /F1 /Subtype /Type1 /Type /Font >>
+endobj
+6 0 obj
+ /PDF /Text 
+endobj
+7 0 obj
+<< /CF << /StdCF << /AuthEvent /DocOpen /CFM /AESV3 /Length 32 >> >> /Filter /Standard /Length 256 /O <1b7cc50a8bd7d4220be2b990df3a3f82bf54a9596ea0d3f0fe308a62a496d7f2853cb41fd7e8f2adfee08f045f4579b0> /OE <968299e6df135ce14da318e851103f18c263082e6ae1380fcbf26e910cef551b> /P 4294967292 /Perms <afb6ec9c6b9c3e8c2fbdcb9c4f391a1d> /R 6 /StmF /StdCF /StrF /StdCF /U <16d19f98d4d5144f6e68ec10294e3789d8eab6a8eb6de68231d749c198904a004b8a16d4ceb3553204d16feae9d1b819> /UE <80044f0bc684a6675f129a0cb8a6ed6efa33d890a6195963a75e8b3876ded541> /V 5 >>
+endobj
+xref
+0 8
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+0000000332 00000 n 
+0000000482 00000 n 
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+trailer << /Root 1 0 R /Size 8 /ID <7aed6705f40de848cd4f3ea12c672f33><7aed6705f40de848cd4f3ea12c672f33> /Encrypt 7 0 R >>
+startxref
+1174
+%%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.1-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.1-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.1.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.1.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.10.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.11.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.12.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.2-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.2-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.2.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.2.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.3-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.3-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.3.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.3.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.4-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.4-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.4.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.4.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.5-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.5-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.5.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.5.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.6-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.6-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.6.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.6.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.7-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.7-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.7.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.7.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.8-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.8-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.8.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.8.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/encrypted-with-images.9.check Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/endobj-at-eol-fixed.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/endobj-at-eol.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/endobj-at-eol.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/eof-in-inline-image.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/eof-in-inline-image.out Changed

@@ -1,25 +1,28 @@
-operator: BT
-name: /F1
-integer: 24
-operator: Tf
-integer: 72
-integer: 720
-operator: Td
-string: (Potato)
-operator: Tj
-operator: ET
-operator: BI
-name: /CS
-name: /G
-name: /W
-integer: 1
-name: /H
-integer: 1
-name: /BPC
-integer: 8
-name: /F
-name: /Fl
-name: /DP
-dictionary: << /Columns 1 /Predictor 15 >>
-operator: ID
-page object 3 0 stream 4 0 (stream data, offset 139): EOF found while reading inline image
+content size: 139
+operator, offset=0, length=2: BT
+name, offset=5, length=3: /F1
+integer, offset=9, length=2: 24
+operator, offset=12, length=2: Tf
+integer, offset=17, length=2: 72
+integer, offset=20, length=3: 720
+operator, offset=24, length=2: Td
+string, offset=29, length=8: (Potato)
+operator, offset=38, length=2: Tj
+operator, offset=41, length=2: ET
+operator, offset=66, length=2: BI
+name, offset=69, length=3: /CS
+name, offset=73, length=2: /G
+name, offset=75, length=2: /W
+integer, offset=78, length=1: 1
+name, offset=79, length=2: /H
+integer, offset=82, length=1: 1
+name, offset=83, length=4: /BPC
+integer, offset=88, length=1: 8
+name, offset=89, length=2: /F
+name, offset=91, length=3: /Fl
+name, offset=94, length=3: /DP
+dictionary, offset=97, length=27: << /Columns 1 /Predictor 15 >>
+operator, offset=125, length=2: ID
+WARNING: page object 3 0 stream 4 0 (stream data, offset 139): EOF found while reading inline image
+-EOF-
+test 37 done

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/eof-reading-token.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/eof-reading-token.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/erase-nntree-out.pdf Added

@@ -0,0 +1,235 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Pages 6 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 8 0
+2 0 obj
+<<
+  /Names 
+  
+>>
+endobj
+
+%% Original object ID: 9 0
+3 0 obj
+<<
+  /Kids 
+    7 0 R
+    8 0 R
+  
+>>
+endobj
+
+%% Original object ID: 14 0
+4 0 obj
+<<
+  /Nums 
+  
+>>
+endobj
+
+%% Original object ID: 18 0
+5 0 obj
+<<
+  /Kids 
+    9 0 R
+    10 0 R
+  
+>>
+endobj
+
+%% Original object ID: 2 0
+6 0 obj
+<<
+  /Count 1
+  /Kids 
+    11 0 R
+  
+  /Type /Pages
+>>
+endobj
+
+%% Original object ID: 10 0
+7 0 obj
+<<
+  /Kids 
+    12 0 R
+  
+  /Limits 
+    220
+    220
+  
+>>
+endobj
+
+%% Original object ID: 11 0
+8 0 obj
+<<
+  /Limits 
+    230
+    240
+  
+  /Nums 
+    230
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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/exp-large-stream Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.6.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.7.1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.7.1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.7.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.7.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.7.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.7.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.0.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.0.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.5.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.5.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-force-1.8.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.6.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.7.1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.7.1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.7.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.7.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.7.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.7.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.0.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.0.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.5.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.5.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-min-1.8.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.6.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.7.1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.7.1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.7.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.7.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.7.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.7.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.0.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.0.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.5.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.5.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-force-1.8.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.6.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.7.1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.7.1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.7.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.7.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.7.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.7.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.0.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.0.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.5.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.5.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-adbe-other-min-1.8.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.6.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.7.1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.7.1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.7.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.7.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.7.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.7.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.0.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.0.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.5.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.5.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-force-1.8.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.6.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.7.1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.7.1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.7.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.7.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.7.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.7.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.0.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.0.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.5.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.5.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-none-min-1.8.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.6.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.7.1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.7.1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.7.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.7.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.7.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.7.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.0.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.0.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.5.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.5.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-force-1.8.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-min-1.3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-min-1.3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/extensions-other-min-1.6.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/extensions-other-min-1.6.out Changed

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 >>
 stream
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->>
-stream
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 startxref
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 %%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-filled-by-acrobat-warn.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/form-form-bad-fields-array.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-form-bad-fields-array.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-form-document-defaults.out Added

@@ -0,0 +1,241 @@
+iterating over form fields
+Field: 4 0 R
+  Parent: none
+  Fully qualified name: Text Box 1
+  Partial name: Text Box 1
+  Alternative name: Text Box 1
+  Mapping name: Text Box 1
+  Field type: /Tx
+  Value: <feff>
+  Value as string: 
+  Default value: <feff>
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /F2 12 Tf
+  Quadding: 1
+  Annotation: 83 0 R
+Field: 6 0 R
+  Parent: none
+  Fully qualified name: Check Box 1
+  Partial name: Check Box 1
+  Alternative name: Check Box 1
+  Mapping name: Check Box 1
+  Field type: /Btn
+  Value: /Off
+  Value as string: 
+  Default value: /Off
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 6 0 R
+Field: 7 0 R
+  Parent: none
+  Fully qualified name: Check Box 2
+  Partial name: Check Box 2
+  Alternative name: Check Box 2
+  Mapping name: Check Box 2
+  Field type: /Btn
+  Value: /Yes
+  Value as string: 
+  Default value: /Yes
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 7 0 R
+Field: 8 0 R
+  Parent: none
+  Fully qualified name: Check Box 3
+  Partial name: Check Box 3
+  Alternative name: Check Box 3
+  Mapping name: Check Box 3
+  Field type: /Btn
+  Value: /Off
+  Value as string: 
+  Default value: /Off
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 8 0 R
+Field: 10 0 R
+  Parent: none
+  Fully qualified name: Text Box 2
+  Partial name: Text Box 2
+  Alternative name: Text Box 2
+  Mapping name: Text Box 2
+  Field type: /Tx
+  Value: <feff00730061006c00610064002003c002ac>
+  Value as string: salad πʬ
+  Default value: <feff00730061006c00610064002003c002ac>
+  Default value as string: salad πʬ
+  Default appearance: 0.18039 0.20392 0.21176 rg /F2 12 Tf
+  Quadding: 1
+  Annotation: 10 0 R
+Field: 16 0 R
+  Parent: 5 0 R
+  Parent: none
+  Fully qualified name: r1.choice1
+  Partial name: choice1
+  Alternative name: chice 1
+  Mapping name: choice 1 TM
+  Field type: /Btn
+  Value: /1
+  Value as string: 
+  Default value: /1
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 16 0 R
+Field: 17 0 R
+  Parent: 5 0 R
+  Parent: none
+  Fully qualified name: r1
+  Partial name: 
+  Alternative name: r1
+  Mapping name: r1
+  Field type: /Btn
+  Value: /1
+  Value as string: 
+  Default value: /1
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 17 0 R
+Field: 18 0 R
+  Parent: 5 0 R
+  Parent: none
+  Fully qualified name: r1
+  Partial name: 
+  Alternative name: r1
+  Mapping name: r1
+  Field type: /Btn
+  Value: /1
+  Value as string: 
+  Default value: /1
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 18 0 R
+Field: 32 0 R
+  Parent: 9 0 R
+  Parent: none
+  Fully qualified name: r2
+  Partial name: 
+  Alternative name: r2
+  Mapping name: r2
+  Field type: /Btn
+  Value: /2
+  Value as string: 
+  Default value: /2
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 32 0 R
+Field: 33 0 R
+  Parent: 9 0 R
+  Parent: none
+  Fully qualified name: r2
+  Partial name: 
+  Alternative name: r2
+  Mapping name: r2
+  Field type: /Btn
+  Value: /2
+  Value as string: 
+  Default value: /2
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 33 0 R
+Field: 34 0 R
+  Parent: 9 0 R
+  Parent: none
+  Fully qualified name: r2
+  Partial name: 
+  Alternative name: r2
+  Mapping name: r2
+  Field type: /Btn
+  Value: /2
+  Value as string: 
+  Default value: /2
+  Default value as string: 
+  Default appearance: 0.18039 0.20392 0.21176 rg /ZaDi 0 Tf
+  Quadding: 1
+  Annotation: 34 0 R
+iterating over annotations per page
+Page: 11 0 R
+  Annotation: 83 0 R
+    Field: 4 0 R
+    Subtype: /Widget
+    Rect: 123.4, 692.1, 260.9, 706.7
+    Appearance stream (/N): 14 0 R
+    Appearance stream (/N, /3): null
+  Annotation: 16 0 R
+    Field: 16 0 R
+    Subtype: /Widget
+    Rect: 149.3, 648.5, 161.6, 660.4
+    Appearance state: /1
+    Appearance stream (/N): 44 0 R
+    Appearance stream (/N, /3): null
+  Annotation: 17 0 R
+    Field: 17 0 R
+    Subtype: /Widget
+    Rect: 152.7, 627.3, 165, 639.2
+    Appearance state: /Off
+    Appearance stream (/N): 50 0 R
+    Appearance stream (/N, /3): null
+  Annotation: 18 0 R
+    Field: 18 0 R
+    Subtype: /Widget
+    Rect: 151.3, 601.7, 163.6, 613.6
+    Appearance state: /Off
+    Appearance stream (/N): 54 0 R
+    Appearance stream (/N, /3): 52 0 R
+  Annotation: 6 0 R
+    Field: 6 0 R
+    Subtype: /Widget
+    Rect: 121.9, 559.1, 134.2, 571
+    Appearance state: /Off
+    Appearance stream (/N): 19 0 R
+    Appearance stream (/N, /3): null
+  Annotation: 7 0 R
+    Field: 7 0 R
+    Subtype: /Widget
+    Rect: 118.6, 527.7, 130.9, 539.6
+    Appearance state: /Yes
+    Appearance stream (/N): 26 0 R
+    Appearance stream (/N, /3): null
+  Annotation: 8 0 R
+    Field: 8 0 R
+    Subtype: /Widget
+    Rect: 118.6, 500.5, 130.9, 512.4
+    Appearance state: /Off
+    Appearance stream (/N): 28 0 R
+    Appearance stream (/N, /3): null
+Page: 40 0 R
+Page: 35 0 R
+  Annotation: 32 0 R
+    Field: 32 0 R
+    Subtype: /Widget
+    Rect: 118.6, 555.7, 130.9, 567.6
+    Appearance state: /Off
+    Appearance stream (/N): 58 0 R
+    Appearance stream (/N, /3): null
+  Annotation: 33 0 R
+    Field: 33 0 R
+    Subtype: /Widget
+    Rect: 119.3, 514.8, 131.6, 526.7
+    Appearance state: /2
+    Appearance stream (/N): 60 0 R
+    Appearance stream (/N, /3): null
+  Annotation: 34 0 R
+    Field: 34 0 R
+    Subtype: /Widget
+    Rect: 121.3, 472.5, 133.6, 484.4
+    Appearance state: /Off
+    Appearance stream (/N): 66 0 R
+    Appearance stream (/N, /3): 64 0 R
+  Annotation: 10 0 R
+    Field: 10 0 R
+    Subtype: /Widget
+    Rect: 113.6, 378.5, 351.3, 396.3
+    Appearance stream (/N): 36 0 R
+    Appearance stream (/N, /3): null
+test 43 done

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/form-form-errors.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-form-errors.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/form-minimal.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-minimal.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/form-no-need-appearances-filled.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-no-need-appearances-filled.pdf Changed

@@ -61,7 +61,7 @@
   /Subtype /Widget
   /T (Text Box 1)
   /Type /Annot
-  /V <feff0033002e00310034002000f700200030>
+  /V (3.14 ÷ 0)
 >>
 endobj
 
@@ -83,7 +83,7 @@
   /Subtype /Widget
   /T (Text Box 2)
   /Type /Annot
-  /V <feff0033002e00310034002000f700200030>
+  /V (3.14 ÷ 0)
 >>
 endobj
 
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 trailer <<
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@@ -547,5 +547,5 @@
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 >>
 startxref
-12095
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 %%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-xobjects-no-resources-out.pdf Added

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/form-xobjects-out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/form-xobjects-out.pdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.10-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.10-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.10-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.10-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.10.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.10.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.10.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.10.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.11-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.11-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.11-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.11-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.11.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.11.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.11.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.11.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.12-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.12-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.12.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.12.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.2-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.2-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.2.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.2.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.3-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.3-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.3.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.3.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.4-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.4-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.4.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.4.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.5-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.5-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.5.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.5.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.6-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.6-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.6.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.6.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.7-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.7-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.7.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.7.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.8-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.8-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.8.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.8.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.9-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.9-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/inline-images.9.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/inline-images.9.c-check Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/insecure-passwords.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/invalid-id-xref.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/invalid-id-xref.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/invalid-password-encrypt.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-100.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-100.out Changed

@@ -7,13 +7,11 @@
 WARNING: issue-100.pdf (object 5 0, offset 294): unknown token while reading object; treating as string
 WARNING: issue-100.pdf (object 5 0, offset 297): unknown token while reading object; treating as string
 WARNING: issue-100.pdf (object 5 0, offset 304): unknown token while reading object; treating as string
-WARNING: issue-100.pdf (object 5 0, offset 308): unexpected )
-WARNING: issue-100.pdf (object 5 0, offset 316): treating unexpected array close token as null
-WARNING: issue-100.pdf (object 5 0, offset 227): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-100.pdf (object 5 0, offset 321): expected endobj
+WARNING: issue-100.pdf (object 5 0, offset 304): too many errors; giving up on reading object
+WARNING: issue-100.pdf (object 5 0, offset 308): expected endobj
 WARNING: issue-100.pdf (object 5 0, offset 418): /Length key in stream dictionary is not an integer
 WARNING: issue-100.pdf (object 5 0, offset 489): attempting to recover stream length
 WARNING: issue-100.pdf (object 5 0, offset 489): recovered stream length: 12
 WARNING: issue-100.pdf (trailer, offset 953): expected dictionary key but found non-name object; inserting key /QPDFFake1
 WARNING: issue-100.pdf (trailer, offset 953): dictionary ended prematurely; using null as value for last key
-issue-100.pdf (offset 1144): unable to find /Root dictionary
+qpdf: issue-100.pdf: unable to find /Root dictionary

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-101.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-101.out Changed

@@ -38,116 +38,6 @@
 WARNING: issue-101.pdf (object 11 0, offset 637): unknown token while reading object; treating as string
 WARNING: issue-101.pdf (object 11 0, offset 639): unknown token while reading object; treating as string
 WARNING: issue-101.pdf (object 11 0, offset 644): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 647): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 687): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 691): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 696): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 698): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 701): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 711): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 743): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 745): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 747): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 777): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 790): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 800): treating unexpected brace token as null
-WARNING: issue-101.pdf (object 11 0, offset 801): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 811): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 819): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 832): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 856): unexpected >
-WARNING: issue-101.pdf (object 11 0, offset 857): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 868): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 887): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 897): unexpected )
-WARNING: issue-101.pdf (object 11 0, offset 898): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 909): invalid character (¤) in hexstring
-WARNING: issue-101.pdf (object 11 0, offset 911): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 929): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 930): invalid character (²) in hexstring
-WARNING: issue-101.pdf (object 11 0, offset 932): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 944): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 947): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 970): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1046): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1067): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1075): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1080): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1084): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1102): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1112): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1124): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1133): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1145): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1148): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1150): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1151): unexpected )
-WARNING: issue-101.pdf (object 11 0, offset 1153): unexpected dictionary close token
-WARNING: issue-101.pdf (object 11 0, offset 1156): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1163): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1168): unexpected >
-WARNING: issue-101.pdf (object 11 0, offset 1170): invalid character (I) in hexstring
-WARNING: issue-101.pdf (object 11 0, offset 1167): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-101.pdf (object 11 0, offset 1167): expected dictionary key but found non-name object; inserting key /QPDFFake2
-WARNING: issue-101.pdf (object 11 0, offset 1167): expected dictionary key but found non-name object; inserting key /QPDFFake3
-WARNING: issue-101.pdf (object 11 0, offset 1176): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1180): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1184): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1190): unexpected >
-WARNING: issue-101.pdf (object 11 0, offset 1192): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1195): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1205): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1217): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1224): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1236): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1242): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-101.pdf (object 11 0, offset 1242): dictionary ended prematurely; using null as value for last key
-WARNING: issue-101.pdf (object 11 0, offset 1275): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1287): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1291): unexpected dictionary close token
-WARNING: issue-101.pdf (object 11 0, offset 1294): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1306): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1322): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1325): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1329): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1341): treating unexpected array close token as null
-WARNING: issue-101.pdf (object 11 0, offset 1312): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-101.pdf (object 11 0, offset 1312): expected dictionary key but found non-name object; inserting key /QPDFFake2
-WARNING: issue-101.pdf (object 11 0, offset 1312): expected dictionary key but found non-name object; inserting key /QPDFFake3
-WARNING: issue-101.pdf (object 11 0, offset 1312): expected dictionary key but found non-name object; inserting key /QPDFFake4
-WARNING: issue-101.pdf (object 11 0, offset 1312): dictionary ended prematurely; using null as value for last key
-WARNING: issue-101.pdf (object 11 0, offset 1349): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1353): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1357): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1359): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 11 0, offset 1368): unexpected )
-WARNING: issue-101.pdf (object 11 0, offset 1373): expected endobj
-WARNING: issue-101.pdf (object 2 0, offset 244): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3855): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3863): treating unexpected brace token as null
-WARNING: issue-101.pdf (object 7 0, offset 3864): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3866): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3873): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3879): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3888): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3901): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3905): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3913): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake2
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake3
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake4
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake5
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake6
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake7
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake8
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake9
-WARNING: issue-101.pdf (object 7 0, offset 3847): expected dictionary key but found non-name object; inserting key /QPDFFake10
-WARNING: issue-101.pdf (object 7 0, offset 3844): stream dictionary lacks /Length key
-WARNING: issue-101.pdf (object 7 0, offset 3962): attempting to recover stream length
-WARNING: issue-101.pdf (object 7 0, offset 3962): recovered stream length: 12
-WARNING: issue-101.pdf (object 8 0, offset 4067): invalid character ()) in hexstring
-WARNING: issue-101.pdf (object 8 0, offset 4069): expected endobj
-WARNING: issue-101.pdf (object 9 0, offset 2832): unknown token while reading object; treating as string
-WARNING: issue-101.pdf (object 9 0, offset 2834): expected endobj
-qpdf: operation succeeded with warnings; resulting file may have some problems
+WARNING: issue-101.pdf (object 11 0, offset 644): too many errors; giving up on reading object
+WARNING: issue-101.pdf (object 11 0, offset 647): expected endobj
+qpdf: issue-101.pdf: unable to find /Root dictionary

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-117.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-117.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-118.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-118.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-141a.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-141a.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-141b.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-141b.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-143.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-143.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-146.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-146.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-147.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-147.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-148.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-148.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-150.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-150.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-202.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-202.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/issue-263.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-263.out Changed

@@ -8,31 +8,5 @@
 WARNING: issue-263.pdf (trailer, offset 82): unexpected )
 WARNING: issue-263.pdf (trailer, offset 83): unknown token while reading object; treating as string
 WARNING: issue-263.pdf (trailer, offset 87): unexpected >
-WARNING: issue-263.pdf (trailer, offset 89): unexpected dictionary close token
-WARNING: issue-263.pdf (trailer, offset 92): unexpected >
-WARNING: issue-263.pdf (trailer, offset 40): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-263.pdf (trailer, offset 40): expected dictionary key but found non-name object; inserting key /QPDFFake2
-WARNING: issue-263.pdf (trailer, offset 40): expected dictionary key but found non-name object; inserting key /QPDFFake3
-WARNING: issue-263.pdf (trailer, offset 40): expected dictionary key but found non-name object; inserting key /QPDFFake4
-WARNING: issue-263.pdf (trailer, offset 40): expected dictionary key but found non-name object; inserting key /QPDFFake5
-WARNING: issue-263.pdf (trailer, offset 40): expected dictionary key but found non-name object; inserting key /QPDFFake6
-WARNING: issue-263.pdf (trailer, offset 40): expected dictionary key but found non-name object; inserting key /QPDFFake7
-WARNING: issue-263.pdf (trailer, offset 98): unknown token while reading object; treating as string
-WARNING: issue-263.pdf (trailer, offset 103): unexpected )
-WARNING: issue-263.pdf (trailer, offset 107): unknown token while reading object; treating as string
-WARNING: issue-263.pdf (trailer, offset 119): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-263.pdf (trailer, offset 163): unknown token while reading object; treating as string
-WARNING: issue-263.pdf (trailer, offset 173): unknown token while reading object; treating as string
-WARNING: issue-263.pdf (trailer, offset 113): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-263.pdf (trailer, offset 113): expected dictionary key but found non-name object; inserting key /QPDFFake2
-WARNING: issue-263.pdf (trailer, offset 113): dictionary ended prematurely; using null as value for last key
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake1
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake2
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake3
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake4
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake5
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake6
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake7
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake8
-WARNING: issue-263.pdf (trailer, offset 18): expected dictionary key but found non-name object; inserting key /QPDFFake9
-qpdf: operation succeeded with warnings; resulting file may have some problems
+WARNING: issue-263.pdf (trailer, offset 87): too many errors; giving up on reading object
+qpdf: issue-263.pdf: unable to find trailer dictionary while recovering damaged file

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/issue-335a.out Added

@@ -0,0 +1,1316 @@
+WARNING: issue-335a.pdf: can't find PDF header
+WARNING: issue-335a.pdf: file is damaged
+WARNING: issue-335a.pdf: can't find startxref
+WARNING: issue-335a.pdf: Attempting to reconstruct cross-reference table
+WARNING: issue-335a.pdf (trailer, offset 26): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 27): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 28): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 29): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 30): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 63): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 63): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 44): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 61): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 62): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 63): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 64): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 67): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 68): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 68): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 59): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 60): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 61): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 62): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 63): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 64): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 67): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 67): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 96): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 113): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 114): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 115): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 116): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 119): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 120): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 120): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 111): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 112): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 113): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 114): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 115): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 116): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 119): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 119): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 134): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 150): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 280): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 281): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 284): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 148): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 149): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 150): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 280): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 281): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 284): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 164): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 217): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 280): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 281): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 284): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 178): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 212): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 213): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 214): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 215): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 216): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 217): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 217): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 231): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 247): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 280): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 281): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 284): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 245): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 246): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 247): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 280): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 281): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 284): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 261): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 278): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 279): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 280): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 281): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 284): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 285): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 276): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 277): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 278): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 279): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 280): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 281): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 284): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 284): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 299): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 315): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 313): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 314): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 315): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 329): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 403): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 361): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 379): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 380): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 381): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 403): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 377): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 378): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 379): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 380): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 381): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 403): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 403): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 395): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 401): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 402): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 403): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 417): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 433): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 431): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 432): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 433): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 600): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 447): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 450): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 461): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 464): invalid character (¨) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 499): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 461): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 479): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 497): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 498): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 499): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 495): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 496): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 497): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 498): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 499): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 513): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 529): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 527): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 528): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 529): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 600): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 543): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 561): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 562): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 600): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 559): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 560): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 561): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 562): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 577): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 594): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 595): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 601): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 592): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 593): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 594): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 595): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 596): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 597): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 600): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 629): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 646): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 647): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 653): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 653): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 644): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 645): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 646): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 647): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 648): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 649): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 652): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 652): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 667): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 683): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 822): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 825): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 681): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 682): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 683): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 822): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 825): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 697): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 758): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 822): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 825): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 711): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 753): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 754): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 755): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 756): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 757): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 758): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 758): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 772): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 788): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 822): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 825): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 786): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 787): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 788): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 822): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 825): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 802): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 819): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 820): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 822): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 825): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 826): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 817): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 818): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 819): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 820): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 822): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 825): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 825): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 840): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 856): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1164): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1167): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1168): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1168): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 854): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 855): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 856): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1164): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1167): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1167): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 870): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 953): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1015): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1018): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1164): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1167): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1167): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 902): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 920): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 921): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 922): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 953): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1015): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1018): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1018): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 918): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 919): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 920): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 921): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 922): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 953): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 953): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 936): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 952): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 953): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1015): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1018): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 950): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 951): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 952): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 953): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1015): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1018): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 980): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 981): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1014): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1015): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1018): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 995): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1012): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1013): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1014): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1015): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1018): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1019): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1010): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1011): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1012): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1013): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1014): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1015): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1018): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1018): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1033): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1049): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1164): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1167): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1168): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1344): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1428): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1434): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1434): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1047): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1048): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1049): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1164): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1167): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1168): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1168): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1159): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1160): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1161): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1162): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1163): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1164): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1167): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1167): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1182): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1198): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1344): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1344): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1196): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1197): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1198): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1212): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1265): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1344): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1344): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1226): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1244): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1262): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1263): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1264): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1265): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1260): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1261): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1262): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1263): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1264): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1265): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1265): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1279): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1295): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1344): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1344): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1293): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1294): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1295): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1309): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1326): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1327): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1333): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1324): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1325): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1326): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1327): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1328): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1329): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 1332): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1332): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1358): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1395): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1428): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1434): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1436): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1437): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1437): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1372): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1390): invalid character ({) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1392): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1393): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1394): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1395): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1428): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1428): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1409): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1426): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1427): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1428): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1434): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1436): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1436): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1424): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1425): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1426): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1427): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1428): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1434): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1434): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1454): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1473): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1713): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3057): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3073): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3080): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1487): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1712): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1713): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3057): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3073): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3080): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1503): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1504): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1712): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1713): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1713): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1519): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1712): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1713): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1533): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1551): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1569): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1570): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1571): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1567): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1568): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1569): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1570): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1571): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1585): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1604): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1712): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1712): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1621): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1637): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1712): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1712): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1635): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1636): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1637): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1710): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1651): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1669): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1670): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1710): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1667): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1668): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1669): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1670): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1671): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1685): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1702): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1703): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1712): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1712): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1700): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1701): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1702): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1703): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1704): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1710): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1710): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1730): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1749): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3057): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3073): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3080): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1763): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1988): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3057): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3073): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3080): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1779): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1780): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1988): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1795): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1988): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1989): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3057): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3073): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3080): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1809): invalid character (<) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1827): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1845): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1846): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1847): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1843): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1844): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1845): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1846): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1847): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1861): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1880): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1988): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1988): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1897): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1913): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1988): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1988): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1911): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1912): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1913): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1986): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1927): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1945): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1946): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1986): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1943): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1944): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1945): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1946): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1947): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1961): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1978): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1979): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1988): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1988): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 1976): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 1977): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1978): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 1979): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1980): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 1986): invalid character (#) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 1986): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 2006): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 2022): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3057): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3073): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3080): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 2020): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 2021): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 2022): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3057): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3073): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3080): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3096): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 3585): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 3586): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3588): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3589): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 3602): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3610): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 3610): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16485): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16528): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16529): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16530): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16545): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16546): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16546): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16498): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16513): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16528): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16529): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16530): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16545): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16545): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16511): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16512): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16513): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16528): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16529): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16530): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16530): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16526): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16527): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16528): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16529): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16530): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16545): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16545): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16543): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16544): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16545): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16546): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16547): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16548): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16548): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16561): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16562): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16563): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16763): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16764): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16766): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16766): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16575): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16599): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16613): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16614): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16615): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16739): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16763): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16763): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16674): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16717): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16718): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16719): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16734): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16739): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16739): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16687): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16702): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16717): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16718): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16719): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16734): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16734): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16700): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16701): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16702): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16717): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16718): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16719): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16719): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16715): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16716): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16717): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16718): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16719): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16734): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16734): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16732): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16733): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16734): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16739): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16763): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16764): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16764): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16752): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16761): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16762): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16763): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16764): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16766): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 16766): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16779): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16782): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16793): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19808): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19810): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19872): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 19875): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19875): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16793): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19808): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19810): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19872): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 19875): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19876): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19956): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19956): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16806): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19808): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19810): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19872): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 19875): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19876): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19876): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 16819): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 16820): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 16821): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19808): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19810): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19872): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 19875): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19875): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 19837): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 19838): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19871): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19872): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 19875): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19876): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19956): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19956): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 19852): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19869): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19870): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19871): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19872): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 19875): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19876): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19876): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 19867): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 19868): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19869): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19870): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19871): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19872): name with stray # will not work with PDF >= 1.2
+WARNING: issue-335a.pdf (trailer, offset 19875): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19875): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 19890): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19906): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19956): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19959): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19968): invalid character (t) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 19971): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19971): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 19904): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 19905): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19906): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19956): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19959): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19968): invalid character (t) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 19968): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 19920): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19954): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 19956): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19959): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19968): invalid character (t) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 19971): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 19971): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 19968): invalid character (t) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 19971): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20092): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20103): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20110): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20114): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20114): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 20164): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 20170): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20173): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20186): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20189): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20219): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20219): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 20230): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20232): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 20233): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 20234): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20236): invalid character ({) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 20238): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 20238): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 20424): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20431): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20446): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 20602): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20604): invalid character ({) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 20604): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 20446): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 20602): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20604): invalid character ({) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 20606): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 20607): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 20607): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 20598): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20600): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 20601): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 20602): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20604): invalid character ({) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 20606): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 20606): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 20684): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20683): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 20748): stream keyword followed by extraneous whitespace
+WARNING: issue-335a.pdf (trailer, offset 20679): stream dictionary lacks /Length key
+WARNING: issue-335a.pdf (trailer, offset 20749): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 20749): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 20756): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 20787): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 20787): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 20812): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20803): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 20803): dictionary has duplicated key /Length; last occurrence overrides earlier ones
+WARNING: issue-335a.pdf (trailer, offset 20843): stream keyword followed by extraneous whitespace
+WARNING: issue-335a.pdf (trailer, offset 20800): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 20844): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 20844): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 20851): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 20882): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 20882): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 20914): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20898): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 20895): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 20929): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 20929): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 20949): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 20957): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 20958): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20960): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 20961): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 20972): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 20973): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 20973): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21042): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21026): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 21023): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 21057): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 21057): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 21077): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 21085): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 21086): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21088): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 21089): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21100): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 21101): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21101): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21118): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21158): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21205): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 21207): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21212): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21212): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21132): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21138): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21156): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21157): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21158): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21202): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21154): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 21155): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21156): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21157): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21158): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21202): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21172): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21199): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21201): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21205): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 21207): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21207): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21228): treating unexpected brace token as null
+WARNING: issue-335a.pdf (trailer, offset 21229): unexpected )
+WARNING: issue-335a.pdf (trailer, offset 21230): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21262): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21267): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21277): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21277): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21277): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21287): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21389): unexpected dictionary close token
+WARNING: issue-335a.pdf (trailer, offset 21392): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21400): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21430): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21438): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21441): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21444): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21452): invalid character (-) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 21819): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21819): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21287): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21389): unexpected dictionary close token
+WARNING: issue-335a.pdf (trailer, offset 21392): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21400): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21430): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21438): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21441): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21444): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21452): invalid character (-) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 21819): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21819): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21407): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 21438): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 21438): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 21452): invalid character (-) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 21837): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21850): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 21892): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21900): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21903): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21906): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21918): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21925): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21925): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21918): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21925): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21937): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21962): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21991): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22000): invalid character (t) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 22003): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22028): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 22030): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22038): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake3
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake4
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake5
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake6
+WARNING: issue-335a.pdf (trailer, offset 21936): dictionary has duplicated key /Length; last occurrence overrides earlier ones
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake7
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake8
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake9
+WARNING: issue-335a.pdf (trailer, offset 22044): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22052): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22064): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22064): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 21937): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21962): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21991): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22000): invalid character (t) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 22003): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22028): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 22030): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22038): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake3
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake4
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake5
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake6
+WARNING: issue-335a.pdf (trailer, offset 21936): dictionary has duplicated key /Length; last occurrence overrides earlier ones
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake7
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake8
+WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake9
+WARNING: issue-335a.pdf (trailer, offset 21932): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 22052): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 22052): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 22000): invalid character (t) in hexstring
+WARNING: issue-335a.pdf (trailer, offset 22088): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22087): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22083): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 22136): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 22136): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 22178): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22190): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22202): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22218): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 22230): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22238): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake3
+WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake4
+WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake5
+WARNING: issue-335a.pdf (trailer, offset 22276): stream keyword followed by carriage return only
+WARNING: issue-335a.pdf (trailer, offset 22173): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 22276): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 22276): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 22202): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22218): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 22197): stream dictionary lacks /Length key
+WARNING: issue-335a.pdf (trailer, offset 22238): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 22238): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 22327): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22336): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22338): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22355): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22360): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake3
+WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake4
+WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake5
+WARNING: issue-335a.pdf (trailer, offset 22322): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 22373): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 22373): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 22437): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22436): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22432): /Length key in stream dictionary is not an integer
+WARNING: issue-335a.pdf (trailer, offset 22484): attempting to recover stream length
+WARNING: issue-335a.pdf (trailer, offset 22484): unable to recover stream data; treating stream as empty
+WARNING: issue-335a.pdf (trailer, offset 22650): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22656): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22675): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22687): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22690): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22702): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22701): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22740): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22748): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22761): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22791): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22794): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 22796): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22804): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake3
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake4
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake5
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake6
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake7
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake8
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake9
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake10
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake11
+WARNING: issue-335a.pdf (trailer, offset 22810): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22817): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22817): too many errors; giving up on reading object
+WARNING: issue-335a.pdf (trailer, offset 22687): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22690): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22702): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22701): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22740): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22748): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22761): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22791): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22794): unexpected >
+WARNING: issue-335a.pdf (trailer, offset 22796): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22804): unknown token while reading object; treating as string
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake1
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake2
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake3
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake4
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake5
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake6
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake7
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake8
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake9
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake10
+WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake11
+WARNING: issue-335a.pdf (trailer, offset 22817): stream keyword followed by carriage return only
+WARNING: issue-335a.pdf (trailer, offset 22682): stream dictionary lacks /Length key
+WARNING: issue-335a.pdf (trailer, offset 22817): attempting to recover stream length
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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-field-types---show-encryption-key-v2.out Added

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-field-types-acroform-v1.out Added

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+{
+  "version": 1,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "acroform": {
+    "fields": 
+      {
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+        "annotation": {
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+          "appearancestate": "",
+          "object": "4 0 R"
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+        "istext": true,
+        "mappingname": "text",
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+        "partialname": "text",
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+        "value": ""
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+        "parent": "5 0 R",
+        "partialname": "",
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+        },
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+        "partialname": "checkbox1",
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+          "appearancestate": "/Yes",
+          "object": "7 0 R"
+        },
+        "choices": ,
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+        "istext": false,
+        "mappingname": "checkbox2",
+        "object": "7 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "checkbox2",
+        "quadding": 0,
+        "value": "/Yes"
+      },
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+          "appearancestate": "/Off",
+          "object": "8 0 R"
+        },
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+        "isradiobutton": false,
+        "istext": false,
+        "mappingname": "checkbox3",
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+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "checkbox3",
+        "quadding": 0,
+        "value": "/Off"
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+        },
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+        "value": "/2"
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+        "value": "/2"
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+        "pageposfrom1": 1,
+        "parent": "9 0 R",
+        "partialname": "",
+        "quadding": 0,
+        "value": "/2"
+      },
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+          "appearancestate": "",
+          "object": "10 0 R"
+        },
+        "choices": ,
+        "defaultvalue": "salad πʬ",
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+        "partialname": "text2",
+        "quadding": 0,
+        "value": "salad πʬ"
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+        "mappingname": "combolist1",
+        "object": "13 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "combolist1",
+        "quadding": 0,
+        "value": ""
+      },
+      {
+        "alternativename": "list1",
+        "annotation": {
+          "annotationflags": 4,
+          "appearancestate": "",
+          "object": "11 0 R"
+        },
+        "choices": 
+          "five",
+          "six",
+          "seven",
+          "eight"
+        ,
+        "defaultvalue": "",
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+        "fieldtype": "/Ch",
+        "fullname": "list1",
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+        "partialname": "list1",
+        "quadding": 0,
+        "value": ""
+      },
+      {
+        "alternativename": "drop1",
+        "annotation": {
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+          "appearancestate": "",
+          "object": "12 0 R"
+        },
+        "choices": 
+          "nine",
+          "ten",
+          "elephant",
+          "twelve"
+        ,
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+        "fieldtype": "/Ch",
+        "fullname": "drop1",
+        "ischeckbox": false,
+        "ischoice": true,
+        "isradiobutton": false,
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+        "mappingname": "drop1",
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+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "drop1",
+        "quadding": 0,
+        "value": ""
+      },
+      {
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+        "annotation": {
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+          "appearancestate": "",
+          "object": "14 0 R"
+        },
+        "choices": 
+          "alpha",
+          "beta",
+          "gamma",
+          "delta"
+        ,
+        "defaultvalue": "",
+        "fieldflags": 393216,
+        "fieldtype": "/Ch",
+        "fullname": "combodrop1",
+        "ischeckbox": false,
+        "ischoice": true,
+        "isradiobutton": false,
+        "istext": false,
+        "mappingname": "combodrop1",
+        "object": "14 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "combodrop1",
+        "quadding": 0,
+        "value": ""
+      }
+    ,
+    "hasacroform": true,
+    "needappearances": true
+  }
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-field-types-acroform-v2.out Added

@@ -0,0 +1,392 @@
+{
+  "version": 2,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "acroform": {
+    "fields": 
+      {
+        "alternativename": "text",
+        "annotation": {
+          "annotationflags": 4,
+          "appearancestate": "",
+          "object": "4 0 R"
+        },
+        "choices": ,
+        "defaultvalue": "u:",
+        "fieldflags": 0,
+        "fieldtype": "/Tx",
+        "fullname": "text",
+        "ischeckbox": false,
+        "ischoice": false,
+        "isradiobutton": false,
+        "istext": true,
+        "mappingname": "text",
+        "object": "4 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "text",
+        "quadding": 0,
+        "value": "u:"
+      },
+      {
+        "alternativename": "r1",
+        "annotation": {
+          "annotationflags": 4,
+          "appearancestate": "/1",
+          "object": "21 0 R"
+        },
+        "choices": ,
+        "defaultvalue": "/1",
+        "fieldflags": 49152,
+        "fieldtype": "/Btn",
+        "fullname": "r1",
+        "ischeckbox": false,
+        "ischoice": false,
+        "isradiobutton": true,
+        "istext": false,
+        "mappingname": "r1",
+        "object": "21 0 R",
+        "pageposfrom1": 1,
+        "parent": "5 0 R",
+        "partialname": "",
+        "quadding": 0,
+        "value": "/1"
+      },
+      {
+        "alternativename": "r1",
+        "annotation": {
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+          "appearancestate": "/Off",
+          "object": "22 0 R"
+        },
+        "choices": ,
+        "defaultvalue": "/1",
+        "fieldflags": 49152,
+        "fieldtype": "/Btn",
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+        "ischoice": false,
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+        "pageposfrom1": 1,
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+          "dict": {
+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceCMYK",
+            "/Filter": "/RunLengthDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
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+        "stream": {
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+          "dict": {}
+        }
+      },
+      "obj:20 0 R": {
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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-image-streams-none-file-v2.out Added

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-image-streams-none-inline-v2.out Added

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+          "dict": {
+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceCMYK",
+            "/Filter": "/RunLengthDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
+      "obj:19 0 R": {
+        "stream": {
+          "data": "eJxzClHQdzNUMDJRCElTMDdSMDYyUAhJUdDQd0kty0xODXJ3UijPLMlQSMvMKUktUsgrzcnRVAjJUnAN4SoE6jJRMABCQyBtaAHEBgYKybkK+p65hgou+QqBXACRFBgC",
+          "dict": {
+            "/Filter": "/FlateDecode"
+          }
+        }
+      },
+      "obj:20 0 R": {
+        "stream": {
+          "data": "eJztzsEJAAAIAzH3X7ru4EcKOTLAZSZAp/8D4Oz/ADgK0Ov/ADiS1NsCy1K3uQ==",
+          "dict": {
+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceRGB",
+            "/Filter": "/FlateDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
+      "obj:21 0 R": {
+        "stream": {
+          "data": "eJwNizsKg0AUAHtPMWWs9hNBa90kpFTeDdYnrkTEIHp9l2GYalrBvB2+QiZqz9NbZORhgp4p6vBpudIxM6XfoX9M6CRo3EYtkYWXFHt+K2zG5bomay1xxXxXR9joixsvOBmV",
+          "dict": {
+            "/Filter": "/FlateDecode"
+          }
+        }
+      },
+      "obj:22 0 R": {
+        "stream": {
+          "data": "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",
+          "dict": {
+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceRGB",
+            "/Filter": "/DCTDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
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+          "dict": {
+            "/Filter": "/FlateDecode"
+          }
+        }
+      },
+      "obj:24 0 R": {
+        "stream": {
+          "data": 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+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceRGB",
+            "/Filter": "/RunLengthDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
+      "obj:25 0 R": {
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+          "dict": {
+            "/Filter": "/FlateDecode"
+          }
+        }
+      },
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+          "data": "eJx7924UUALOjAKKwMxRQBFIGwUUAeNRQBFgGAUUAQBWa6cu",
+          "dict": {
+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceGray",
+            "/Filter": "/FlateDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
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+          "dict": {
+            "/Filter": "/FlateDecode"
+          }
+        }
+      },
+      "obj:28 0 R": {
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+          "dict": {
+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceGray",
+            "/Filter": "/DCTDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
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+          "dict": {
+            "/Filter": "/FlateDecode"
+          }
+        }
+      },
+      "obj:30 0 R": {
+        "stream": {
+          "data": "ge6B7sHugcyBzMHMgZmBmcGZgWaBZsFmgTOBM8EzgQCBAMEAgA==",
+          "dict": {
+            "/BitsPerComponent": 8,
+            "/ColorSpace": "/DeviceGray",
+            "/Filter": "/RunLengthDecode",
+            "/Height": 48,
+            "/Subtype": "/Image",
+            "/Type": "/XObject",
+            "/Width": 40
+          }
+        }
+      },
+      "trailer": {
+        "value": {
+          "/ID": 
+            "b:5aa7af805079bb907e9034361d9a11a2",
+            "b:5aa7af805079bb907e9034361d9a11a2"
+          ,
+          "/Root": "1 0 R",
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+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-image-streams-small-v1.out Added

@@ -0,0 +1,868 @@
+{
+  "version": 1,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "pages": 
+    {
+      "contents": 
+        "12 0 R"
+      ,
+      "images": 
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceCMYK",
+          "decodeparms": 
+            null
+          ,
+          "filter": 
+            "/FlateDecode"
+          ,
+          "filterable": true,
+          "height": 48,
+          "name": "/Im1",
+          "object": "14 0 R",
+          "width": 40
+        }
+      ,
+      "label": null,
+      "object": "3 0 R",
+      "outlines": ,
+      "pageposfrom1": 1
+    },
+    {
+      "contents": 
+        "15 0 R"
+      ,
+      "images": 
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceCMYK",
+          "decodeparms": 
+            null
+          ,
+          "filter": 
+            "/DCTDecode"
+          ,
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "16 0 R",
+          "width": 40
+        }
+      ,
+      "label": null,
+      "object": "4 0 R",
+      "outlines": ,
+      "pageposfrom1": 2
+    },
+    {
+      "contents": 
+        "17 0 R"
+      ,
+      "images": 
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceCMYK",
+          "decodeparms": 
+            null
+          ,
+          "filter": 
+            "/RunLengthDecode"
+          ,
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "18 0 R",
+          "width": 40
+        }
+      ,
+      "label": null,
+      "object": "5 0 R",
+      "outlines": ,
+      "pageposfrom1": 3
+    },
+    {
+      "contents": 
+        "19 0 R"
+      ,
+      "images": 
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceRGB",
+          "decodeparms": 
+            null
+          ,
+          "filter": 
+            "/FlateDecode"
+          ,
+          "filterable": true,
+          "height": 48,
+          "name": "/Im1",
+          "object": "20 0 R",
+          "width": 40
+        }
+      ,
+      "label": null,
+      "object": "6 0 R",
+      "outlines": ,
+      "pageposfrom1": 4
+    },
+    {
+      "contents": 
+        "21 0 R"
+      ,
+      "images": 
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceRGB",
+          "decodeparms": 
+            null
+          ,
+          "filter": 
+            "/DCTDecode"
+          ,
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "22 0 R",
+          "width": 40
+        }
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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-image-streams-specialized-v1.out Added

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-image-streams-specialized-v2.out Added

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-image-streams-v1.out Added

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-need-appearances-acroform-v1.out Added

@@ -0,0 +1,392 @@
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+        "ischoice": true,
+        "isradiobutton": false,
+        "istext": false,
+        "mappingname": "combodrop1",
+        "object": "14 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "combodrop1",
+        "quadding": 0,
+        "value": "delta"
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+    ,
+    "hasacroform": true,
+    "needappearances": true
+  }
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-need-appearances-acroform-v2.out Added

@@ -0,0 +1,392 @@
+{
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+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "acroform": {
+    "fields": 
+      {
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+        "annotation": {
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+          "appearancestate": "",
+          "object": "4 0 R"
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+        "isradiobutton": false,
+        "istext": true,
+        "mappingname": "text",
+        "object": "4 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "text",
+        "quadding": 0,
+        "value": "u:abc"
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+          "appearancestate": "/1",
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+        "parent": "5 0 R",
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+          "appearancestate": "/Off",
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+        "parent": null,
+        "partialname": "checkbox2",
+        "quadding": 0,
+        "value": "/Yes"
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+        "partialname": "",
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+        "parent": "9 0 R",
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+        "parent": null,
+        "partialname": "text2",
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+        "value": "u:salad ÷πʬ"
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+          "appearancestate": "",
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+        "mappingname": "combolist1",
+        "object": "13 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "combolist1",
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+        "value": "u:pi"
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+      {
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+          "appearancestate": "",
+          "object": "11 0 R"
+        },
+        "choices": 
+          "five",
+          "six",
+          "seven",
+          "eight"
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+        "fieldtype": "/Ch",
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+        "partialname": "list1",
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+        "value": "u:six"
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+          "appearancestate": "",
+          "object": "12 0 R"
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+          "nine",
+          "ten",
+          "elephant",
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+        "fieldtype": "/Ch",
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+        "object": "12 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "drop1",
+        "quadding": 0,
+        "value": "u:elephant"
+      },
+      {
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+          "appearancestate": "",
+          "object": "14 0 R"
+        },
+        "choices": 
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+          "beta",
+          "gamma",
+          "delta"
+        ,
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+        "fieldflags": 393216,
+        "fieldtype": "/Ch",
+        "fullname": "combodrop1",
+        "ischeckbox": false,
+        "ischoice": true,
+        "isradiobutton": false,
+        "istext": false,
+        "mappingname": "combodrop1",
+        "object": "14 0 R",
+        "pageposfrom1": 1,
+        "parent": null,
+        "partialname": "combodrop1",
+        "quadding": 0,
+        "value": "u:delta"
+      }
+    ,
+    "hasacroform": true,
+    "needappearances": true
+  }
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-outlines-with-actions-v1.out Added

@@ -0,0 +1,2251 @@
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+            770
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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/json-page-labels-and-outlines-pages-v1.out Added

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+            "/Length": "81 0 R"
+          }
+        }
+      },
+      "obj:81 0 R": {
+        "value": 47
+      },
+      "obj:82 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "83 0 R"
+          }
+        }
+      },
+      "obj:83 0 R": {
+        "value": 47
+      },
+      "obj:84 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "85 0 R"
+          }
+        }
+      },
+      "obj:85 0 R": {
+        "value": 47
+      },
+      "obj:86 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "87 0 R"
+          }
+        }
+      },
+      "obj:87 0 R": {
+        "value": 47
+      },
+      "obj:88 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "89 0 R"
+          }
+        }
+      },
+      "obj:89 0 R": {
+        "value": 47
+      },
+      "obj:90 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "91 0 R"
+          }
+        }
+      },
+      "obj:91 0 R": {
+        "value": 47
+      },
+      "obj:92 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "93 0 R"
+          }
+        }
+      },
+      "obj:93 0 R": {
+        "value": 47
+      },
+      "obj:94 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "95 0 R"
+          }
+        }
+      },
+      "obj:95 0 R": {
+        "value": 47
+      },
+      "obj:96 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "97 0 R"
+          }
+        }
+      },
+      "obj:97 0 R": {
+        "value": 47
+      },
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+        "stream": {
+          "dict": {
+            "/Length": "99 0 R"
+          }
+        }
+      },
+      "obj:99 0 R": {
+        "value": 47
+      },
+      "trailer": {
+        "value": {
+          "/ID": 
+            "b:90f919de7874f3bc5cb7afbd1e9537bb",
+            "b:0dfe18a94cde0f4bfdc86c03af19010e"
+          ,
+          "/Root": "1 0 R",
+          "/Size": 100
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/kept-no-fields.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/kept-some-fields.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/kfo-n.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/kfo-n.out Changed

@@ -7,6 +7,26 @@
 qpdf: processing 007-kfo.pdf
 qpdf: processing 008-kfo.pdf
 qpdf: processing 009-kfo.pdf
+qpdf: empty PDF: checking for shared resources
+qpdf: no shared resources found
+qpdf: 001-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 002-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 003-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 004-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 005-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 006-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 007-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 008-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
+qpdf: 009-kfo.pdf: checking for shared resources
+qpdf: no shared resources found
 qpdf: removing unreferenced pages from primary input
 qpdf: adding pages from 001-kfo.pdf
 qpdf: adding pages from 002-kfo.pdf

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/kfo-y.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/kfo-y.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/labels-split-01-06.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/labels-split-01-06.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/labels-split-07-11.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/labels-split-07-11.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/leading-junk.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/leading-junk.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.1-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.1-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.1.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.1.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.10-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.10-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.10-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.10-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.10.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.10.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.10.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.10.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.11-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.11-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.11-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.11-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.11.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.11.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.11.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.11.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.12-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.12-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.12.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.12.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.2-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.2-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.2.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.2.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.3-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.3-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.3.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.3.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.4-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.4-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.4.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.4.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.5-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.5-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.5.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.5.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.6-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.6-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.6.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.6.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.7-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.7-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.7.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.7.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.8-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.8-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.8.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.8.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.9-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.9-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/lin-special.9.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin-special.9.c-check Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin3-check-linearization.out Added

@@ -0,0 +1,61 @@
+WARNING: end of first page section (/E) mismatch: /E = 3978; computed = 3785..3786
+WARNING: page 1: shared object 107: in computed list but not hint table
+WARNING: page 1: shared object 109: in computed list but not hint table
+WARNING: page 2: shared object 107: in computed list but not hint table
+WARNING: page 2: shared object 109: in computed list but not hint table
+WARNING: page 3: shared object 107: in computed list but not hint table
+WARNING: page 3: shared object 109: in computed list but not hint table
+WARNING: page 4: shared object 107: in computed list but not hint table
+WARNING: page 4: shared object 109: in computed list but not hint table
+WARNING: page 5: shared object 107: in computed list but not hint table
+WARNING: page 5: shared object 109: in computed list but not hint table
+WARNING: page 6: shared object 107: in computed list but not hint table
+WARNING: page 6: shared object 109: in computed list but not hint table
+WARNING: page 7: shared object 107: in computed list but not hint table
+WARNING: page 7: shared object 109: in computed list but not hint table
+WARNING: page 8: shared object 107: in computed list but not hint table
+WARNING: page 8: shared object 109: in computed list but not hint table
+WARNING: page 9: shared object 107: in computed list but not hint table
+WARNING: page 9: shared object 109: in computed list but not hint table
+WARNING: page 10: shared object 107: in computed list but not hint table
+WARNING: page 10: shared object 109: in computed list but not hint table
+WARNING: page 11: shared object 107: in computed list but not hint table
+WARNING: page 11: shared object 109: in computed list but not hint table
+WARNING: page 12: shared object 107: in computed list but not hint table
+WARNING: page 12: shared object 109: in computed list but not hint table
+WARNING: page 13: shared object 107: in computed list but not hint table
+WARNING: page 13: shared object 109: in computed list but not hint table
+WARNING: page 14: shared object 107: in computed list but not hint table
+WARNING: page 14: shared object 109: in computed list but not hint table
+WARNING: page 15: shared object 107: in computed list but not hint table
+WARNING: page 15: shared object 109: in computed list but not hint table
+WARNING: page 16: shared object 107: in computed list but not hint table
+WARNING: page 16: shared object 109: in computed list but not hint table
+WARNING: page 17: shared object 107: in computed list but not hint table
+WARNING: page 17: shared object 109: in computed list but not hint table
+WARNING: page 18: shared object 107: in computed list but not hint table
+WARNING: page 18: shared object 109: in computed list but not hint table
+WARNING: page 19: shared object 107: in computed list but not hint table
+WARNING: page 19: shared object 109: in computed list but not hint table
+WARNING: page 20: shared object 107: in computed list but not hint table
+WARNING: page 20: shared object 109: in computed list but not hint table
+WARNING: page 21: shared object 107: in computed list but not hint table
+WARNING: page 21: shared object 109: in computed list but not hint table
+WARNING: page 22: shared object 107: in computed list but not hint table
+WARNING: page 22: shared object 109: in computed list but not hint table
+WARNING: page 23: shared object 107: in computed list but not hint table
+WARNING: page 23: shared object 109: in computed list but not hint table
+WARNING: page 24: shared object 107: in computed list but not hint table
+WARNING: page 24: shared object 109: in computed list but not hint table
+WARNING: page 25: shared object 107: in computed list but not hint table
+WARNING: page 25: shared object 109: in computed list but not hint table
+WARNING: page 26: shared object 107: in computed list but not hint table
+WARNING: page 26: shared object 109: in computed list but not hint table
+WARNING: page 27: shared object 107: in computed list but not hint table
+WARNING: page 27: shared object 109: in computed list but not hint table
+WARNING: page 28: shared object 107: in computed list but not hint table
+WARNING: page 28: shared object 109: in computed list but not hint table
+WARNING: page 29: shared object 107: in computed list but not hint table
+WARNING: page 29: shared object 109: in computed list but not hint table
+WARNING: incorrect offset in outlines table: hint table = 1627; computed = 1547
+WARNING: incorrect length in outlines table: hint table = 1988; computed = 1936

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/lin3-check.out Added

@@ -0,0 +1,65 @@
+checking lin3.pdf
+PDF Version: 1.3
+File is not encrypted
+File is linearized
+WARNING: end of first page section (/E) mismatch: /E = 3978; computed = 3785..3786
+WARNING: page 1: shared object 107: in computed list but not hint table
+WARNING: page 1: shared object 109: in computed list but not hint table
+WARNING: page 2: shared object 107: in computed list but not hint table
+WARNING: page 2: shared object 109: in computed list but not hint table
+WARNING: page 3: shared object 107: in computed list but not hint table
+WARNING: page 3: shared object 109: in computed list but not hint table
+WARNING: page 4: shared object 107: in computed list but not hint table
+WARNING: page 4: shared object 109: in computed list but not hint table
+WARNING: page 5: shared object 107: in computed list but not hint table
+WARNING: page 5: shared object 109: in computed list but not hint table
+WARNING: page 6: shared object 107: in computed list but not hint table
+WARNING: page 6: shared object 109: in computed list but not hint table
+WARNING: page 7: shared object 107: in computed list but not hint table
+WARNING: page 7: shared object 109: in computed list but not hint table
+WARNING: page 8: shared object 107: in computed list but not hint table
+WARNING: page 8: shared object 109: in computed list but not hint table
+WARNING: page 9: shared object 107: in computed list but not hint table
+WARNING: page 9: shared object 109: in computed list but not hint table
+WARNING: page 10: shared object 107: in computed list but not hint table
+WARNING: page 10: shared object 109: in computed list but not hint table
+WARNING: page 11: shared object 107: in computed list but not hint table
+WARNING: page 11: shared object 109: in computed list but not hint table
+WARNING: page 12: shared object 107: in computed list but not hint table
+WARNING: page 12: shared object 109: in computed list but not hint table
+WARNING: page 13: shared object 107: in computed list but not hint table
+WARNING: page 13: shared object 109: in computed list but not hint table
+WARNING: page 14: shared object 107: in computed list but not hint table
+WARNING: page 14: shared object 109: in computed list but not hint table
+WARNING: page 15: shared object 107: in computed list but not hint table
+WARNING: page 15: shared object 109: in computed list but not hint table
+WARNING: page 16: shared object 107: in computed list but not hint table
+WARNING: page 16: shared object 109: in computed list but not hint table
+WARNING: page 17: shared object 107: in computed list but not hint table
+WARNING: page 17: shared object 109: in computed list but not hint table
+WARNING: page 18: shared object 107: in computed list but not hint table
+WARNING: page 18: shared object 109: in computed list but not hint table
+WARNING: page 19: shared object 107: in computed list but not hint table
+WARNING: page 19: shared object 109: in computed list but not hint table
+WARNING: page 20: shared object 107: in computed list but not hint table
+WARNING: page 20: shared object 109: in computed list but not hint table
+WARNING: page 21: shared object 107: in computed list but not hint table
+WARNING: page 21: shared object 109: in computed list but not hint table
+WARNING: page 22: shared object 107: in computed list but not hint table
+WARNING: page 22: shared object 109: in computed list but not hint table
+WARNING: page 23: shared object 107: in computed list but not hint table
+WARNING: page 23: shared object 109: in computed list but not hint table
+WARNING: page 24: shared object 107: in computed list but not hint table
+WARNING: page 24: shared object 109: in computed list but not hint table
+WARNING: page 25: shared object 107: in computed list but not hint table
+WARNING: page 25: shared object 109: in computed list but not hint table
+WARNING: page 26: shared object 107: in computed list but not hint table
+WARNING: page 26: shared object 109: in computed list but not hint table
+WARNING: page 27: shared object 107: in computed list but not hint table
+WARNING: page 27: shared object 109: in computed list but not hint table
+WARNING: page 28: shared object 107: in computed list but not hint table
+WARNING: page 28: shared object 109: in computed list but not hint table
+WARNING: page 29: shared object 107: in computed list but not hint table
+WARNING: page 29: shared object 109: in computed list but not hint table
+WARNING: incorrect offset in outlines table: hint table = 1627; computed = 1547
+WARNING: incorrect length in outlines table: hint table = 1988; computed = 1936

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/linearization-bounds-1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/linearization-bounds-1.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/linearization-bounds-2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/linearization-bounds-2.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/linearization-large-vector-alloc.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/linearization-large-vector-alloc.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/list-attachments-1.out Added

@@ -0,0 +1,49 @@
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+    /UF -> 8,0
+      creation date: D:20210210091359-05'00'
+      modification date: D:20210210141359Z
+      mime type: text/plain
+      checksum: a857d18d3fc23ad412122ef040733331
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+      mime type: 
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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/list-attachments-2.out Added

@@ -0,0 +1,98 @@
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+      modification date: D:20210210141359Z
+      mime type: text/plain
+      checksum: a857d18d3fc23ad412122ef040733331
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+      modification date: D:20210210141359Z
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+      mime type: 
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+  "qpdf": 
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+      "pdfversion": "2.0",
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+      "calledgetallpages": false,
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+          "dict": {}
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+      "obj:5 0 R": {
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+          "/PDF",
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+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:7 0 R": {
+        "value": {
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+            "u:Potato",
+            "b:01020300040560",
+            "u:AB"
+          ,
+          "/indirect": "8 0 R",
+          "/names": 
+            "/nesting",
+            "/hex strings",
+            "/text/plain"
+          ,
+          "/nesting": {
+            "/a": 
+              1,
+              2,
+              {
+                "/x": "u:y"
+              },
+              
+                "u:z"
+              
+            ,
+            "/b": {
+              "/": "u:legal",
+              "/a": 
+                1,
+                2
+              
+            }
+          },
+          "/strings": 
+            "u:one",
+            "b:24a2",
+            "u:",
+            "u:",
+            "u:()",
+            "u:(",
+            "u:)",
+            "u:a\f\b\t\r\nb",
+            "u:\"",
+            "u:\"\"",
+            "u:\"(\")\"",
+            "b:410042",
+            "u:a\nb",
+            "u:a b",
+            
+              "u:π",
+              "u:π",
+              "u:π",
+              "u:π"
+            ,
+            
+              "u:🥔",
+              "u:🥔",
+              "u:🥔",
+              "u:🥔"
+            
+          
+        }
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/dangling": 
+            "100 0 R"
+          ,
+          "/k1": "u:hello"
+        }
+      },
+      "obj:100 0 R": {
+        "value": null
+      },
+      "trailer": {
+        "value": {
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+          "/Size": 9
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/manual-qpdf-json-pdf.json Added

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+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "2.0",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": false,
+      "maxobjectid": 10
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "3 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/hex strings": 
+            "u:Potato",
+            "b:01020300040560",
+            "u:AB"
+          ,
+          "/indirect": "4 0 R",
+          "/names": 
+            "/nesting",
+            "/hex strings",
+            "/text/plain"
+          ,
+          "/nesting": {
+            "/a": 
+              1,
+              2,
+              {
+                "/x": "u:y"
+              },
+              
+                "u:z"
+              
+            ,
+            "/b": {
+              "/": "u:legal",
+              "/a": 
+                1,
+                2
+              
+            }
+          },
+          "/strings": 
+            "u:one",
+            "b:24a2",
+            "u:",
+            "u:",
+            "u:()",
+            "u:(",
+            "u:)",
+            "u:a\f\b\t\r\nb",
+            "u:\"",
+            "u:\"\"",
+            "u:\"(\")\"",
+            "b:410042",
+            "u:a\nb",
+            "u:a b",
+            
+              "u:π",
+              "u:π",
+              "u:π",
+              "u:π"
+            ,
+            
+              "u:🥔",
+              "u:🥔",
+              "u:🥔",
+              "u:🥔"
+            
+          
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
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+          "/Kids": 
+            "5 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:4 0 R": {
+        "value": {
+          "/dangling": 
+            "6 0 R"
+          ,
+          "/k1": "u:hello"
+        }
+      },
+      "obj:5 0 R": {
+        "value": {
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+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "9 0 R"
+            },
+            "/ProcSet": "10 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:6 0 R": {
+        "value": null
+      },
+      "obj:7 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:8 0 R": {
+        "value": 44
+      },
+      "obj:9 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:10 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "trailer": {
+        "value": {
+          "/ID": 
+            "b:31415926535897932384626433832795",
+            "b:31415926535897932384626433832795"
+          ,
+          "/QTest": "2 0 R",
+          "/Root": "1 0 R",
+          "/Size": 11
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+      }
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+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/manual-qpdf-json.json Added

@@ -0,0 +1,148 @@
+{
+  "comment": 
+    "We allow and ignore other top-level keys"
+  ,
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "2.0",
+      "maybe-future-key": {
+        "x": 
+          "Lots of times we ignore things",
+          "for forward-compatibility so we don't have",
+          "to change the version number if we add stuff",
+          "in the future"
+        
+      }
+    },
+    {
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        },
+        "ignore": "this is ignored"
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        },
+        "ignore": {
+          "potato": "salad",
+          "this": "is ignored too"
+        }
+      },
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "what-is-this": "doesn't matter",
+          "dict": {},
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo="
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "even-here-we-ignore": "stuff",
+        "value": {
+          "/QTest": "7 0 R",
+          "/Root": "1 0 R",
+          "/Size": 9
+        }
+      },
+      "obj:7 0 R": {
+        "value": {
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+            "u:Potato",
+            "b:01020300040560",
+            "u:AB"
+          ,
+          "/indirect": "8 0 R",
+          "/names": 
+            "/nesting",
+            "/hex strings",
+            "/text/plain"
+          ,
+          "/nesting": {
+            "/a": 
+              1,
+              2,
+              {
+                "/x": "u:y"
+              },
+              
+                "u:z"
+              
+            ,
+            "/b": {
+              "/": "u:legal",
+              "/a": 
+                1,
+                2
+              
+            }
+          },
+          "/strings": 
+            "u:one",
+            "b:24a2",
+            "b:",
+            "u:",
+            "u:()",
+            "u:(",
+            "u:)",
+            "u:a\f\b\t\r\nb",
+            "u:\"",
+            "u:\"\"",
+            "u:\"(\")\"",
+            "b:410042",
+            "u:a\nb",
+            "u:a b",
+            "u:π", "u:\u03c0", "b:EFBBBFCF80", "b:feff03c0",
+            "u:🥔", "u:\ud83e\udd54", "b:feffd83eDD54", "b:efbbbff09fa594"
+          
+        }
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/k1": "u:hello",
+          "/dangling": "100 0 R"
+        }
+      }
+    }
+  
+}

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+%¿÷¢þ
+%QDF-1.0
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+
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+    <01020300040560>
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+      1
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+      
+    
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+        1
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+      
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+  >>
+  /strings 
+    (one)
+    <24a2>
+    ()
+    ()
+    ()
+    ($)
+    ($)
+    (a\f\b\t\r\nb)
+    (")
+    ("")
+    ("$"$")
+    <410042>
+    (a\nb)
+    (a b)
+    
+      <feff03c0>
+      <feff03c0>
+      <efbbbfcf80>
+      <feff03c0>
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+  /Root 1 0 R
+  /Size 11
+  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
+>>
+startxref
+1678
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/merge-dict.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/merge-dict.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/merge-dot-implicit-ranges.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/merge-implicit-ranges.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/merge-implicit-ranges.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/merge-multiple-labels.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/merge-multiple-labels.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/merge-three-files-1.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/merge-three-files-1.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/merge-three-files-2.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/merge-three-files-2.pdf Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/minimal-1.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/minimal-9.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/minimal-json-file-2.out Added

@@ -0,0 +1,74 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": false,
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "datafile": "auto-2-4",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/minimal-json-file.out Added

@@ -0,0 +1,74 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": false,
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "datafile": "auto-1-4",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/minimal-parsedoffset.out Added

@@ -0,0 +1,29 @@
+--- objects not in streams ---
+offset = 17 (0x11), indirect 1/0, dictionary
+offset = 28 (0x1c), direct, name
+offset = 71 (0x47), indirect 2/0, dictionary
+offset = 82 (0x52), direct, name
+offset = 97 (0x61), direct, array
+offset = 122 (0x7a), direct, integer
+offset = 143 (0x8f), indirect 3/0, dictionary
+offset = 154 (0x9a), direct, name
+offset = 188 (0xbc), direct, array
+offset = 189 (0xbd), direct, integer
+offset = 191 (0xbf), direct, integer
+offset = 193 (0xc1), direct, integer
+offset = 197 (0xc5), direct, integer
+offset = 233 (0xe9), direct, dictionary
+offset = 265 (0x109), direct, dictionary
+offset = 315 (0x13b), direct, dictionary
+offset = 328 (0x148), direct, integer
+offset = 341 (0x155), indirect 4/0, stream
+offset = 411 (0x19b), indirect 5/0, array
+offset = 415 (0x19f), direct, name
+offset = 422 (0x1a6), direct, name
+offset = 446 (0x1be), indirect 6/0, dictionary
+offset = 457 (0x1c9), direct, name
+offset = 474 (0x1da), direct, name
+offset = 489 (0x1e9), direct, name
+offset = 505 (0x1f9), direct, name
+offset = 528 (0x210), direct, name
+succeeded

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/minimal-write-json.json Added

@@ -0,0 +1,75 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": false,
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}
+test 91 done

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/minimal.json Added

@@ -0,0 +1,74 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": false,
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Name": "/F1",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/name-pound-images.pdf Added

@@ -0,0 +1,177 @@
+%PDF-1.0
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 2 0
+2 0 obj
+<<
+  /Count 1
+  /Kids 
+    3 0 R
+  
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+%% Original object ID: 3 0
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox 
+    0
+    0
+    2083.33
+    2083.33
+  
+  /Parent 2 0 R
+  /Resources <<
+    /ExtGState <<
+      /Caption 6 0 R
+    >>
+    /ProcSet 
+      /PDF
+      /ImageB
+    
+    /XObject <<
+      /Im#1 7 0 R
+      /Im#22 9 0 R
+      /Im# 11 0 R
+    >>
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+%% Original object ID: 4 0
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+q
+4.17 0 0 4.17 0 0 cm
+/Caption gs
+q
+100 0 0 200 50 200 cm
+/Im#1 Do
+Q
+q
+200 0 0 100 250 300 cm
+/Im#22 Do
+Q
+q
+200 0 0 200 250 50 cm
+/Im# Do
+Q
+Q
+endstream
+endobj
+
+5 0 obj
+143
+endobj
+
+%% Original object ID: 6 0
+6 0 obj
+<<
+  /OPM 1
+  /Type /ExtGState
+>>
+endobj
+
+%% Original object ID: 7 0
+7 0 obj
+<<
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+  /ColorSpace /DeviceGray
+  /Height 200
+  /Subtype /Image
+  /Type /XObject
+  /Width 100
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+>>
+stream
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+endobj
+
+%QDF: ignore_newline
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+endobj
+
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+<<
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+  /ColorSpace /DeviceGray
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+endstream
+endobj
+
+%QDF: ignore_newline
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+endobj
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+<<
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+  /Subtype /Image
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/name-tree.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/name-tree.out Changed

@@ -7,4 +7,42 @@
 20 twenty -> twenty.
 22 twenty-two -> twenty-two!
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+06 σιχ -> six!
+07 sev•n -> seven!
+11 elephant -> elephant?
+12 twelve -> twelve!
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+22 twenty-two -> twenty-two!
+29 twenty-nine -> twenty-nine!
+insertAfter
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+4 (4!)
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+A
+Q
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+B
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+/Bad4 -- invalid kid
+WARNING: name-tree.pdf (Name/Number tree node (object 23)): attempting to repair after error: name-tree.pdf (Name/Number tree node (object 23)): invalid kid at index 1
+WARNING: name-tree.pdf (Name/Number tree node (object 23)): skipping over invalid kid at index 1
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+Q
+Z
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+WARNING: name-tree.pdf (Name/Number tree node (object 28)): attempting to repair after error: name-tree.pdf (Name/Number tree node (object 30)): loop detected in find
+WARNING: name-tree.pdf (Name/Number tree node (object 30)): loop detected while traversing name/number tree
+/Bad6 -- bad limits
+WARNING: name-tree.pdf (Name/Number tree node (object 32)): unable to determine limits
 test 48 done

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/name-tree.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/name-tree.pdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/need-appearances-more-out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/need-appearances-more-out.pdf Changed

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/need-appearances-more3.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/need-appearances-out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/need-appearances-out.pdf Changed

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/nested-form-xobjects.out Added

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+--- recursive, all ---
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Fx1 -> 12 0 R
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im1 -> 14 0 R
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im2 -> 16 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Fx1 -> 20 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im1 -> 22 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im2 -> 24 0 R
+<< /Im1 26 0 R /Im2 28 0 R >> -> /Im1 -> 26 0 R
+<< /Im1 26 0 R /Im2 28 0 R >> -> /Im2 -> 28 0 R
+--- non-recursive, all ---
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Fx1 -> 12 0 R
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im1 -> 14 0 R
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im2 -> 16 0 R
+--- recursive, images ---
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im1 -> 14 0 R
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im2 -> 16 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im1 -> 22 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im2 -> 24 0 R
+<< /Im1 26 0 R /Im2 28 0 R >> -> /Im1 -> 26 0 R
+<< /Im1 26 0 R /Im2 28 0 R >> -> /Im2 -> 28 0 R
+--- non-recursive, images ---
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im1 -> 14 0 R
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Im2 -> 16 0 R
+--- recursive, form XObjects ---
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Fx1 -> 12 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Fx1 -> 20 0 R
+--- non-recursive, form XObjects ---
+<< /Fx1 12 0 R /Im1 14 0 R /Im2 16 0 R >> -> /Fx1 -> 12 0 R
+--- recursive, all, from fx1 ---
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Fx1 -> 20 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im1 -> 22 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im2 -> 24 0 R
+<< /Im1 26 0 R /Im2 28 0 R >> -> /Im1 -> 26 0 R
+<< /Im1 26 0 R /Im2 28 0 R >> -> /Im2 -> 28 0 R
+--- non-recursive, all, from fx1 ---
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Fx1 -> 20 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im1 -> 22 0 R
+<< /Fx1 20 0 R /Im1 22 0 R /Im2 24 0 R >> -> /Im2 -> 24 0 R
+--- get images, page ---
+/Im1 -> 14 0 R
+/Im2 -> 16 0 R
+--- get images, fx ---
+/Im1 -> 22 0 R
+/Im2 -> 24 0 R
+--- get form XObjects, page ---
+/Fx1 -> 12 0 R
+--- get form XObjects, fx ---
+/Fx1 -> 20 0 R
+test 71 done

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/nested-form-xobjects.pdf Added

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/no-contents-coalesce-contents.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/no-contents-coalesce-contents.pdf Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/no-pages-types-fix.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/no-pages-types-fixed.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/no-pages-types.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/no-pages-types.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/nontrivial-crypt-filter-decrypted.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/nontrivial-crypt-filter.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/nontrivial-crypt-filter.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/normalize-warnings.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/normalize-warnings.out Changed

@@ -1,9 +1,12 @@
-WARNING: coalesce.pdf (offset 671): content normalization encountered bad tokens
-WARNING: coalesce.pdf (offset 671): normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
-WARNING: coalesce.pdf (offset 671): Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
-WARNING: coalesce.pdf (offset 823): content normalization encountered bad tokens
-WARNING: coalesce.pdf (offset 823): Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
-WARNING: coalesce.pdf (offset 962): content normalization encountered bad tokens
-WARNING: coalesce.pdf (offset 962): normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
-WARNING: coalesce.pdf (offset 962): Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
+WARNING: split-tokens.pdf (offset 671): content normalization encountered bad tokens
+WARNING: split-tokens.pdf (offset 671): normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
+WARNING: split-tokens.pdf (offset 671): Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
+WARNING: split-tokens.pdf (offset 823): content normalization encountered bad tokens
+WARNING: split-tokens.pdf (offset 823): Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
+WARNING: split-tokens.pdf (offset 962): content normalization encountered bad tokens
+WARNING: split-tokens.pdf (offset 962): normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
+WARNING: split-tokens.pdf (offset 962): Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
+WARNING: split-tokens.pdf (offset 1338): content normalization encountered bad tokens
+WARNING: split-tokens.pdf (offset 1338): normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
+WARNING: split-tokens.pdf (offset 1338): Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
 qpdf: operation succeeded with warnings; resulting file may have some problems

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/number-tree.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/number-tree.out Changed

@@ -12,4 +12,55 @@
 22 twenty-two
 23 twenty-three
 29 twenty-nine
+1 one
+2 two
+3 three
+5 five
+6 six
+9 nine
+11 elephant
+12 twelve
+15 fifteen
+19 nineteen
+20 twenty
+22 twenty-two
+23 twenty-three
+29 twenty-nine
+insertAfter
+3 (3!)
+4 (4!)
+/Bad1
+WARNING: number-tree.pdf (Name/Number tree node (object 14)): name/number tree node has neither non-empty /Nums nor /Kids
+WARNING: number-tree.pdf (Name/Number tree node (object 13)): loop detected while traversing name/number tree
+/Bad2
+10 (10)
+WARNING: number-tree.pdf (Name/Number tree node (object 16)): item 2 has the wrong type
+15 (15)
+WARNING: number-tree.pdf (Name/Number tree node (object 16)): items array doesn't have enough elements
+WARNING: number-tree.pdf (Name/Number tree node (object 15)): skipping over invalid kid at index 1
+WARNING: number-tree.pdf (Name/Number tree node (object 17)): name/number tree node has neither non-empty /Nums nor /Kids
+35 (35)
+38 (38)
+WARNING: number-tree.pdf (Name/Number tree node (object 19)): name/number tree node has neither non-empty /Nums nor /Kids
+/Empty1
+/Empty2
+Insert into invalid
+WARNING: number-tree.pdf (Name/Number tree node): name/number tree node has neither non-empty /Nums nor /Kids
+WARNING: number-tree.pdf (Name/Number tree node): name/number tree node has neither non-empty /Nums nor /Kids
+number-tree.pdf (Name/Number tree node): unable to find a valid items node
+/Bad3, no repair
+WARNING: number-tree.pdf (Name/Number tree node (object 23)): kid number 0 is not an indirect object
+0 (zero)
+10 (ten)
+/Bad3, repair
+WARNING: number-tree.pdf (Name/Number tree node (object 23)): converting kid number 0 to an indirect object
+0 (zero)
+10 (ten)
+/Bad4 -- missing limits
+WARNING: number-tree.pdf (Name/Number tree node (object 24)): attempting to repair after error: number-tree.pdf (Name/Number tree node (object 25)): node is missing /Limits
+0 (0)
+5 (5)
+10 (10)
+/Bad5 -- limit errors
+WARNING: number-tree.pdf (Name/Number tree node (object 28)): attempting to repair after error: number-tree.pdf (Name/Number tree node (object 29)): unexpected -1 from binary search of kids; limits may by wrong
 test 46 done

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/number-tree.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/number-tree.pdf Changed

@@ -144,9 +144,169 @@
 >>
 endobj
 
+13 0 obj
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+    14 0 R
+    17 0 R
+    18 0 R
+    19 0 R
+  
+>>
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+
+16 0 obj
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+  /Limits  10 20 
+  /Nums 
+    10 (10)
+    (12) (12)
+    15 (15)
+    20
+  
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+
+17 0 obj
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+  /Nums 
+  
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+  /Nums 
+    35 (35)
+    38 (38)
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+  /Nums 
+  
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+
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+  
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+23 0 obj
+<<
+  /Kids 
+    <<
+      /Limits  0 10 
+      /Nums 
+        0 (zero)
+        10 (ten)
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+    >>
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+  /Nums 
+    2 (2)
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 trailer <<
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-  /Size 13
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+  /Size 31
   /ID <2c3b7a6ec7fc61db8a5db4eebf57f540><2c3b7a6ec7fc61db8a5db4eebf57f540>
 >>
 startxref
-1215
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 %%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/numeric-and-string-3.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/numeric-and-string-3.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/numeric-and-string-3.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/numeric-and-string-3.pdf Changed

@@ -12,8 +12,9 @@
   /QStrings 
     (No Special Characters)
     (These: ¿÷¢þ and no more)
+    (\357\273\277Explicit utf-8 with \317\200)
     <feff03c003c903c403b103c403c9>
-    <feff0074007200650062006c006500200063006c00650066003a0020d834dd20003b0020007300690078007400650065006e007400680020006e006f00740065003a0020d834dd60>
+    <feff0074007200650062006c006500200063006c00650066003a0020d834dd20003b0020007300690078007400650065006e007400680020006e006f00740065003a0020d834dd61>
   
   /Type /Catalog
 >>
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 trailer <<
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   /Size 10
   /ID <e017d8dc1fe53a81e40aa79bcb43fdec><76269ee0b6579446b731e060af8ef436>
 >>
 startxref
-1105
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 %%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/obj0-check.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/obj0-check.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.1-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.1-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.1.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.1.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.10-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.10-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.10-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.10-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.10.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.10.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.10.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.10.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.11-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.11-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.11-ogen.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.11-ogen.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.11.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.11.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.11.check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.11.check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.12-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.12-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.12.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.12.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.2-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.2-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.2.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.2.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.3-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.3-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.3.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.3.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.4-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.4-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.4.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.4.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.5-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.5-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.5.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.5.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.6-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.6-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.6.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.6.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.7-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.7-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.7.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.7.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.8-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.8-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.8.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.8.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.9-ogen.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.9-ogen.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-stream.9.c-check -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-stream.9.c-check Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-types-os.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-types-os.out Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/object-types.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/object-types.out Changed

@@ -16,9 +16,9 @@
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-all-size-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-all-size-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-keep-all-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-keep-all-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-keep-some-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-inline-images-keep-some-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-min-area-all-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-min-area-all-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-min-area-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-min-area-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-min-height-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-min-height-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-min-width-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-min-width-json.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/optimize-images-unsupported-json.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/optimize-images-unsupported-json.out Changed

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+startxref
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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/overlay-no-resources.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page-ops-on-form-xobject.out Added

@@ -0,0 +1,47 @@
+--- parseContents ---
+content size: 173
+operator, offset=0, length=2: BT
+name, offset=5, length=3: /F1
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+name, offset=100, length=4: /Im2
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+name, offset=163, length=4: /Fx1
+operator, offset=168, length=2: Do
+operator, offset=171, length=1: Q
+-EOF-
+test 72 done

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page-with-no-resources.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/page_api_1.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page_api_1.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page_api_2-json-objects.out Added

@@ -0,0 +1,123 @@
+{
+  "version": 2,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": false,
+      "maxobjectid": 10
+    },
+    {
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+        "value": {
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+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/CreationDate": "u:D:20120621124041",
+          "/Producer": "u:Apex PDFWriter"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Count": 3,
+          "/Kids": 
+            "4 0 R",
+            "4 0 R",
+            "5 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:4 0 R": {
+        "value": {
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+            0,
+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "8 0 R"
+            },
+            "/ProcSet": 
+              "/PDF",
+              "/Text"
+            
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:5 0 R": {
+        "value": {
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+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "8 0 R"
+            },
+            "/ProcSet": 
+              "/PDF",
+              "/Text"
+            
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:6 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "7 0 R"
+          }
+        }
+      },
+      "obj:7 0 R": {
+        "value": 47
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/BaseFont": "/Times-Roman",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:9 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "10 0 R"
+          }
+        }
+      },
+      "obj:10 0 R": {
+        "value": 47
+      },
+      "trailer": {
+        "value": {
+          "/ID": 
+            "b:fb18b786ff7b358705da8a532aba8f6f",
+            "b:f7179eb35159bfd4c00f128abcfd1f02"
+          ,
+          "/Info": "2 0 R",
+          "/Root": "1 0 R",
+          "/Size": 11
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page_api_2-json-pages-push.out Added

@@ -0,0 +1,177 @@
+{
+  "version": 2,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "pages": 
+    {
+      "contents": 
+        "6 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "4 0 R",
+      "outlines": ,
+      "pageposfrom1": 1
+    },
+    {
+      "contents": 
+        "6 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "11 0 R",
+      "outlines": ,
+      "pageposfrom1": 2
+    },
+    {
+      "contents": 
+        "9 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "5 0 R",
+      "outlines": ,
+      "pageposfrom1": 3
+    }
+  ,
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": true,
+      "calledgetallpages": true,
+      "maxobjectid": 11
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "3 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/CreationDate": "u:D:20120621124041",
+          "/Producer": "u:Apex PDFWriter"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Count": 3,
+          "/Kids": 
+            "4 0 R",
+            "11 0 R",
+            "5 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:4 0 R": {
+        "value": {
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+          "/MediaBox": 
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+          ,
+          "/Parent": "3 0 R",
+          "/Resources": {
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+            },
+            "/ProcSet": 
+              "/PDF",
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+            
+          },
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+            
+          },
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+        }
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+      "obj:6 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "7 0 R"
+          }
+        }
+      },
+      "obj:7 0 R": {
+        "value": 47
+      },
+      "obj:8 0 R": {
+        "value": {
+          "/BaseFont": "/Times-Roman",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "obj:9 0 R": {
+        "stream": {
+          "dict": {
+            "/Length": "10 0 R"
+          }
+        }
+      },
+      "obj:10 0 R": {
+        "value": 47
+      },
+      "obj:11 0 R": {
+        "value": {
+          "/Contents": "6 0 R",
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+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "3 0 R",
+          "/Resources": {
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+              "/F1": "8 0 R"
+            },
+            "/ProcSet": 
+              "/PDF",
+              "/Text"
+            
+          },
+          "/Type": "/Page"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/ID": 
+            "b:fb18b786ff7b358705da8a532aba8f6f",
+            "b:f7179eb35159bfd4c00f128abcfd1f02"
+          ,
+          "/Info": "2 0 R",
+          "/Root": "1 0 R",
+          "/Size": 11
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page_api_2-json-pages.out Added

@@ -0,0 +1,177 @@
+{
+  "version": 2,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "pages": 
+    {
+      "contents": 
+        "6 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "4 0 R",
+      "outlines": ,
+      "pageposfrom1": 1
+    },
+    {
+      "contents": 
+        "6 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "11 0 R",
+      "outlines": ,
+      "pageposfrom1": 2
+    },
+    {
+      "contents": 
+        "9 0 R"
+      ,
+      "images": ,
+      "label": null,
+      "object": "5 0 R",
+      "outlines": ,
+      "pageposfrom1": 3
+    }
+  ,
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "pushedinheritedpageresources": false,
+      "calledgetallpages": true,
+      "maxobjectid": 11
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "3 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/CreationDate": "u:D:20120621124041",
+          "/Producer": "u:Apex PDFWriter"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
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+          "/Kids": 
+            "4 0 R",
+            "11 0 R",
+            "5 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
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+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page_api_2-json-warning.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/page_api_2.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/page_api_2.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/pages-is-page-out.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/pages-is-page.out Added

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/pages-loop.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/pages-loop.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/pound-in-name-qdf.out Added

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@@ -0,0 +1,113 @@
+%PDF-1.1
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 2 0
+2 0 obj
+<<
+  /Count 1
+  /Kids 
+    3 0 R
+  
+  /Type /Pages
+>>
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+
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+%% Original object ID: 3 0
+3 0 obj
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+  /Contents 4 0 R
+  /MediaBox 
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+    0
+    612
+    792
+  
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+%% Original object ID: 4 0
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
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+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+%% Original object ID: 5 0
+7 0 obj
+
+  /PDF
+  /Text
+
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000052 00000 n 
+0000000133 00000 n 
+0000000242 00000 n 
+0000000484 00000 n 
+0000000583 00000 n 
+0000000629 00000 n 
+0000000774 00000 n 
+trailer <<
+  /Other#20Tests <<
+    /## 1
+    /#20# 2
+    /@ 3
+    /Som#ething (else)
+    /a#b 
+      4
+      null
+      /Som#ething
+    
+  >>
+  /QTest /#
+  /Root 1 0 R
+  /Size 8
+  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
+>>
+startxref
+809
+%%EOF

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@@ -0,0 +1,71 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
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+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R", "7 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "@not-base64@",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

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@@ -0,0 +1,71 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
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+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
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+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
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+          "/Type": "/Pages"
+        }
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+        "value": {
+          "/Contents": "4 0 R", "7 0 R",
+          "/MediaBox": 
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+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "datafile": "file does not exist",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-bad-object-key.json Added

@@ -0,0 +1,73 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "maxobjectid": 6
+    },
+    {
+      "potato": {
+      },
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
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+          "/MediaBox": 
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+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-bad-pdf-version1.json Added

@@ -0,0 +1,71 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": "quack",
+      "pdfversion": "potato",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
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+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-bad-pdf-version1.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-bad-pdf-version2.json Added

@@ -0,0 +1,73 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 850,
+      "pdfversion": ,
+      "calledgetallpages": 3,
+      "pushedinheritedpageresources": "potato",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
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+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
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+          "/Type": "/Pages"
+        }
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+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
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+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-missing-objects.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-missing-trailer.json Added

@@ -0,0 +1,65 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
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+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      }
+    }
+  
+}

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_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-no-pdf-version.json Added

@@ -0,0 +1,69 @@
+{
+  "qpdf": 
+    {
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
+          "/Pages": "2 0 R",
+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
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+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
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+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
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+          "/Resources": {
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+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-no-pdf-version.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-no-qpdf-object.json Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-no-qpdf-object.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-obj-key-errors.json Added

@@ -0,0 +1,62 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
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+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        },
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:3 0 R": {
+        "potato": {
+          "salad": "ignored-so-no-string-error",
+          "nested": 1, 2, {"x": "y"}
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "potato": "u:salad"
+        }
+      },
+      "obj:5 0 R": {
+        "stream": {
+          "dict": {"/A": "/B"},
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "datafile": "abc"
+        }
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "potato": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-obj-key-errors.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-object-not-dict.json Added

@@ -0,0 +1,66 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": "potato",
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
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+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    }
+  
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-object-not-dict.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-objects-not-dict.json Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-objects-not-dict.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/qjson-qpdf-array-too-long.json Added

@@ -0,0 +1,72 @@
+{
+  "qpdf": 
+    {
+      "jsonversion": 2,
+      "pdfversion": "1.3",
+      "maxobjectid": 6
+    },
+    {
+      "obj:1 0 R": {
+        "value": {
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+          "/Type": "/Catalog"
+        }
+      },
+      "obj:2 0 R": {
+        "value": {
+          "/Count": 1,
+          "/Kids": 
+            "3 0 R"
+          ,
+          "/Type": "/Pages"
+        }
+      },
+      "obj:3 0 R": {
+        "value": {
+          "/Contents": "4 0 R",
+          "/MediaBox": 
+            0,
+            0,
+            612,
+            792
+          ,
+          "/Parent": "2 0 R",
+          "/Resources": {
+            "/Font": {
+              "/F1": "6 0 R"
+            },
+            "/ProcSet": "5 0 R"
+          },
+          "/Type": "/Page"
+        }
+      },
+      "obj:4 0 R": {
+        "stream": {
+          "data": "QlQKICAvRjEgMjQgVGYKICA3MiA3MjAgVGQKICAoUG90YXRvKSBUagpFVAo=",
+          "dict": {}
+        }
+      },
+      "obj:5 0 R": {
+        "value": 
+          "/PDF",
+          "/Text"
+        
+      },
+      "obj:6 0 R": {
+        "value": {
+          "/BaseFont": "/Helvetica",
+          "/Encoding": "/WinAnsiEncoding",
+          "/Subtype": "/Type1",
+          "/Type": "/Font"
+        }
+      },
+      "trailer": {
+        "value": {
+          "/Root": "1 0 R",
+          "/Size": 7
+        }
+      }
+    },
+    "this doesn't belong here"
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+WARNING: split-tokens.pdf, object 3 0 at offset 181: Bad token found while scanning content stream; not attempting to remove unreferenced objects from this object
+WARNING: empty PDF: content normalization encountered bad tokens
+WARNING: empty PDF: normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
+WARNING: empty PDF: Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
+WARNING: empty PDF: content normalization encountered bad tokens
+WARNING: empty PDF: Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
+WARNING: empty PDF: content normalization encountered bad tokens
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+WARNING: empty PDF: Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
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+WARNING: empty PDF: normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
+WARNING: empty PDF: Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/stream-line-enders.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/stream-line-enders.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/stream-line-enders.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/stream-line-enders.pdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/stream-line-enders.qdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/stream-line-enders.qdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/terminate-parsing.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/terminate-parsing.out Changed

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+integer, offset=139, length=1: 0
+real, offset=141, length=6: 35.997
+real, offset=148, length=8: -128.389
+integer, offset=157, length=2: 0
+real, offset=160, length=7: 431.964
+real, offset=168, length=7: 7269.02
+operator, offset=176, length=2: cm
+operator, offset=179, length=2: BI
+name, offset=182, length=3: /CS
+name, offset=186, length=2: /G
+name, offset=188, length=2: /W
+integer, offset=191, length=2: 30
+name, offset=193, length=2: /H
+integer, offset=196, length=3: 107
+name, offset=199, length=4: /BPC
+integer, offset=204, length=1: 8
+name, offset=205, length=2: /F
+name, offset=207, length=3: /Fl
+name, offset=210, length=3: /DP
+dictionary, offset=213, length=28: << /Columns 30 /Predictor 15 >>
+operator, offset=242, length=2: ID
+inline-image, offset=245, length=46: 789cedd1a11100300800b1b2ffd06503148283bc8dfcf8af2a306ee352eff2e06318638c31c63b3801627b620a0a
+operator, offset=291, length=2: EI
+operator, offset=294, length=1: Q
+operator, offset=296, length=1: q
+integer, offset=298, length=1: 0
+real, offset=300, length=7: 38.3968
+real, offset=308, length=8: -93.5922
+integer, offset=317, length=2: 0
+real, offset=320, length=7: 431.964
+real, offset=328, length=7: 7567.79
+operator, offset=336, length=2: cm
+operator, offset=339, length=2: BI
+name, offset=342, length=3: /CS
+name, offset=346, length=2: /G
+name, offset=348, length=2: /W
+integer, offset=351, length=2: 32
+name, offset=353, length=2: /H
+integer, offset=356, length=2: 78
+name, offset=358, length=4: /BPC
+integer, offset=363, length=1: 8
+name, offset=364, length=2: /F
+name, offset=366, length=3: /Fl
+name, offset=369, length=3: /DP
+dictionary, offset=372, length=28: << /Columns 32 /Predictor 15 >>
+operator, offset=401, length=2: ID
+inline-image, offset=404, length=45: 789c63fccf801f308e2a185530aa60882a20203faa605401890a0643aa1e5530aa6054010d140000bdd03c130a
+operator, offset=449, length=2: EI
+operator, offset=452, length=1: Q
 -EOF-
 test 37 done

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test-89.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test-90.out Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/test14-in.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test14-in.pdf Changed

@@ -65,6 +65,7 @@
     612
     792
   
+  /OrigPage 2
   /Parent 4 0 R
   /Resources <<
     /Font <<
@@ -86,6 +87,7 @@
     612
     792
   
+  /OrigPage 3
   /Parent 4 0 R
   /Resources <<
     /Font <<
@@ -237,21 +239,21 @@
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+0000001717 00000 n 
+0000001776 00000 n 
+0000001879 00000 n 
+0000001899 00000 n 
 trailer <<
   /QArray 2 0 R
   /QDict 3 0 R
@@ -260,5 +262,5 @@
   /ID <20eb74876a3e8212c1b4fd43153860b0><1bb7a926da191c58f675435d77997d21>
 >>
 startxref
-1907
+1935
 %%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/test14-out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test14-out.pdf Changed

@@ -16,10 +16,10 @@
 << /Contents 9 0 R /MediaBox  0 0 612 792  /Parent 4 0 R /Resources << /Font << /F1 10 0 R >> /ProcSet 11 0 R >> /Type /Page >>
 endobj
 6 0 obj
-<< /Contents 12 0 R /MediaBox  0 0 612 792  /Parent 4 0 R /Resources << /Font << /F1 10 0 R >> /ProcSet 13 0 R >> /Type /Page >>
+<< /Contents 12 0 R /MediaBox  0 0 612 792  /OrigPage 3 /Parent 4 0 R /Resources << /Font << /F1 10 0 R >> /ProcSet 13 0 R >> /Type /Page >>
 endobj
 7 0 obj
-<< /Contents 14 0 R /MediaBox  0 0 612 792  /Parent 4 0 R /Resources << /Font << /F1 10 0 R >> /ProcSet 15 0 R >> /Type /Page >>
+<< /Contents 14 0 R /MediaBox  0 0 612 792  /OrigPage 2 /Parent 4 0 R /Resources << /Font << /F1 10 0 R >> /ProcSet 15 0 R >> /Type /Page >>
 endobj
 8 0 obj
 << /Contents 16 0 R /MediaBox  0 0 612 792  /Parent 4 0 R /Resources << /Font << /F1 10 0 R >> /ProcSet 17 0 R >> /Type /Page >>
@@ -88,18 +88,18 @@
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 trailer << /QArray 2 0 R /QDict 3 0 R /Root 1 0 R /Size 18 /ID <20eb74876a3e8212c1b4fd43153860b0><31415926535897932384626433832795> >>
 startxref
-1397
+1421
 %%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/test14.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test14.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test4-5.pdf Added

@@ -0,0 +1,152 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 3 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
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+  /Subject (Subject)
+  /Title (Some Title Is Here)
+>>
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+
+3 0 obj
+<<
+  /Count 1
+  /Kids 
+    6 0 R
+  
+  /Type /Pages
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+
+4 0 obj
+
+  100
+  2
+  3
+
+endobj
+
+5 0 obj
+<<
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+  /B (B)
+>>
+endobj
+
+%% Page 1
+6 0 obj
+<<
+  /Contents 7 0 R
+  /MediaBox 
+    0
+    0
+    612
+    792
+  
+  /Parent 3 0 R
+  /Resources <<
+    /Font <<
+      /F1 9 0 R
+    >>
+    /ProcSet 10 0 R
+  >>
+  /Type /Page
+>>
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+
+%% Contents for page 1
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+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
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+
+8 0 obj
+44
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+
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+  /Encoding /WinAnsiEncoding
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+  /Subtype /Type1
+  /Type /Font
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+
+  /PDF
+  /Text
+
+endobj
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+
+12 0 obj
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+
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+
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+trailer <<
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+  /Root 1 0 R
+  /Size 15
+  /ID <c61bd35bada064f61e0a56aa9588064e><c893e7330be149468080ad6518819868>
+>>
+startxref
+984
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test4-5.qdf Added

@@ -0,0 +1,177 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
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+  /Type /Catalog
+>>
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+
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+<<
+  /A 
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+    15
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+  
+  /Author (Mr. Potato Head)
+  /B <<
+    /A 
+      100
+      2
+      3
+    
+    /B (B)
+  >>
+  /Title (Some Title Is Here)
+>>
+endobj
+
+%% Original object ID: 2 0
+3 0 obj
+<<
+  /A 7 0 R
+  /B 8 0 R
+  /Subject (Subject)
+  /Title (Some Title Is Here)
+>>
+endobj
+
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+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+salad
+endstream
+endobj
+
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+6
+endobj
+
+%% Original object ID: 3 0
+6 0 obj
+<<
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+  /Kids 
+    9 0 R
+  
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+>>
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+
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+
+  100
+  2
+  3
+
+endobj
+
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+  /B (B)
+>>
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+
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+%% Original object ID: 6 0
+9 0 obj
+<<
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+  /MediaBox 
+    0
+    0
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+    792
+  
+  /Parent 6 0 R
+  /Resources <<
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+      /F1 12 0 R
+    >>
+    /ProcSet 13 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
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+10 0 obj
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+>>
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+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+11 0 obj
+44
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+
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+12 0 obj
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+  /Name /F1
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+  /Type /Font
+>>
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+
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+
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+
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+
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+trailer <<
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+  /QTest 3 0 R
+  /QTest2 <<
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+      /B 4 0 R
+    >>
+    /C (potato)
+  >>
+  /Root 1 0 R
+  /Size 14
+  /ID <c61bd35bada064f61e0a56aa9588064e><31415926535897932384626433832795>
+>>
+startxref
+1381
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test60.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test62.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test68.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test73.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test76-json.out Added

@@ -0,0 +1,80 @@
+{
+  "version": 1,
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "attachments": {
+    "att1": {
+      "description": "some text",
+      "filespec": "4 0 R",
+      "names": {
+        "/F": "att1.txt",
+        "/UF": "att1.txt"
+      },
+      "preferredcontents": "8 0 R",
+      "preferredname": "att1.txt",
+      "streams": {
+        "/F": {
+          "checksum": "2e10f186a4cdf5be438747f4bdc2d4d4",
+          "creationdate": "2021-02-07T19:11:21-05:00",
+          "mimetype": "text/plain",
+          "modificationdate": "2021-02-07T19:11:21-05:00"
+        },
+        "/UF": {
+          "checksum": "2e10f186a4cdf5be438747f4bdc2d4d4",
+          "creationdate": "2021-02-07T19:11:21-05:00",
+          "mimetype": "text/plain",
+          "modificationdate": "2021-02-07T19:11:21-05:00"
+        }
+      }
+    },
+    "att2": {
+      "description": null,
+      "filespec": "5 0 R",
+      "names": {
+        "/F": "att2.txt",
+        "/UF": "att2.txt"
+      },
+      "preferredcontents": "10 0 R",
+      "preferredname": "att2.txt",
+      "streams": {
+        "/F": {
+          "checksum": "2fce9c8228e360ba9b04a1bd1bf63d6b",
+          "creationdate": null,
+          "mimetype": "text/plain",
+          "modificationdate": null
+        },
+        "/UF": {
+          "checksum": "2fce9c8228e360ba9b04a1bd1bf63d6b",
+          "creationdate": null,
+          "mimetype": "text/plain",
+          "modificationdate": null
+        }
+      }
+    },
+    "att3": {
+      "description": null,
+      "filespec": "6 0 R",
+      "names": {
+        "/F": "att3.txt",
+        "/UF": "π.txt"
+      },
+      "preferredcontents": "12 0 R",
+      "preferredname": "π.txt",
+      "streams": {
+        "/F": {
+          "checksum": "2236c155b1d62b7f00285bba081d4336",
+          "creationdate": null,
+          "mimetype": "text/plain",
+          "modificationdate": null
+        },
+        "/UF": {
+          "checksum": "2236c155b1d62b7f00285bba081d4336",
+          "creationdate": null,
+          "mimetype": "text/plain",
+          "modificationdate": null
+        }
+      }
+    }
+  }
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test76-list-verbose.out Added

@@ -0,0 +1,49 @@
+att1 -> 8,0
+  description: some text
+  preferred name: att1.txt
+  all names:
+    /F -> att1.txt
+    /UF -> att1.txt
+  all data streams:
+    /F -> 8,0
+      creation date: D:20210207191121-05'00'
+      modification date: D:20210208001122Z
+      mime type: text/plain
+      checksum: 2e10f186a4cdf5be438747f4bdc2d4d4
+    /UF -> 8,0
+      creation date: D:20210207191121-05'00'
+      modification date: D:20210208001122Z
+      mime type: text/plain
+      checksum: 2e10f186a4cdf5be438747f4bdc2d4d4
+att2 -> 10,0
+  preferred name: att2.txt
+  all names:
+    /F -> att2.txt
+    /UF -> att2.txt
+  all data streams:
+    /F -> 10,0
+      creation date: 
+      modification date: 
+      mime type: text/plain
+      checksum: 2fce9c8228e360ba9b04a1bd1bf63d6b
+    /UF -> 10,0
+      creation date: 
+      modification date: 
+      mime type: text/plain
+      checksum: 2fce9c8228e360ba9b04a1bd1bf63d6b
+att3 -> 12,0
+  preferred name: π.txt
+  all names:
+    /F -> att3.txt
+    /UF -> π.txt
+  all data streams:
+    /F -> 12,0
+      creation date: 
+      modification date: 
+      mime type: text/plain
+      checksum: 2236c155b1d62b7f00285bba081d4336
+    /UF -> 12,0
+      creation date: 
+      modification date: 
+      mime type: text/plain
+      checksum: 2236c155b1d62b7f00285bba081d4336

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test76-list.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test76.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/test76.pdf Added

@@ -0,0 +1,233 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Names <<
+    /EmbeddedFiles 2 0 R
+  >>
+  /Pages 3 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 9 0
+2 0 obj
+<<
+  /Names 
+    (att1)
+    4 0 R
+    (att2)
+    5 0 R
+    (att3)
+    6 0 R
+  
+>>
+endobj
+
+%% Original object ID: 2 0
+3 0 obj
+<<
+  /Count 1
+  /Kids 
+    7 0 R
+  
+  /Type /Pages
+>>
+endobj
+
+%% Original object ID: 8 0
+4 0 obj
+<<
+  /Desc (some text)
+  /EF <<
+    /F 8 0 R
+    /UF 8 0 R
+  >>
+  /F (att1.txt)
+  /Type /Filespec
+  /UF (att1.txt)
+>>
+endobj
+
+%% Original object ID: 12 0
+5 0 obj
+<<
+  /EF <<
+    /F 10 0 R
+    /UF 10 0 R
+  >>
+  /F (att2.txt)
+  /Type /Filespec
+  /UF (att2.txt)
+>>
+endobj
+
+%% Original object ID: 13 0
+6 0 obj
+<<
+  /EF <<
+    /F 12 0 R
+    /UF 12 0 R
+  >>
+  /F (att3.txt)
+  /Type /Filespec
+  /UF <feff03c0002e007400780074>
+>>
+endobj
+
+%% Page 1
+%% Original object ID: 3 0
+7 0 obj
+<<
+  /Contents 14 0 R
+  /MediaBox 
+    0
+    0
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+    792
+  
+  /Parent 3 0 R
+  /Resources <<
+    /Font <<
+      /F1 16 0 R
+    >>
+    /ProcSet 17 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Original object ID: 7 0
+8 0 obj
+<<
+  /Params <<
+    /CheckSum <2e10f186a4cdf5be438747f4bdc2d4d4>
+    /CreationDate (D:20210207191121-05'00')
+    /ModDate (D:20210208001122Z)
+    /Size 9
+  >>
+  /Subtype /text#2fplain
+  /Type /EmbeddedFile
+  /Length 9 0 R
+>>
+stream
+from file
+endstream
+endobj
+
+%QDF: ignore_newline
+9 0 obj
+9
+endobj
+
+%% Original object ID: 10 0
+10 0 obj
+<<
+  /Params <<
+    /CheckSum <2fce9c8228e360ba9b04a1bd1bf63d6b>
+    /Size 11
+  >>
+  /Subtype /text#2fplain
+  /Type /EmbeddedFile
+  /Length 11 0 R
+>>
+stream
+from string
+endstream
+endobj
+
+%QDF: ignore_newline
+11 0 obj
+11
+endobj
+
+%% Original object ID: 11 0
+12 0 obj
+<<
+  /Params <<
+    /CheckSum <2236c155b1d62b7f00285bba081d4336>
+    /Size 11
+  >>
+  /Subtype /text#2fplain
+  /Type /EmbeddedFile
+  /Length 13 0 R
+>>
+stream
+from buffer
+endstream
+endobj
+
+%QDF: ignore_newline
+13 0 obj
+11
+endobj
+
+%% Contents for page 1
+%% Original object ID: 4 0
+14 0 obj
+<<
+  /Length 15 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+15 0 obj
+44
+endobj
+
+%% Original object ID: 6 0
+16 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+%% Original object ID: 5 0
+17 0 obj
+
+  /PDF
+  /Text
+
+endobj
+
+xref
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+trailer <<
+  /Root 1 0 R
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/three-files-collate-out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/three-files-collate-out.pdf Changed

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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/token-filters-out.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/token-filters-out.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/tokenize-content-streams.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/tokenize-content-streams.out Changed

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-operator: Tf
-integer: 72
-integer: 720
-operator: Td
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 test 37 done

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/tokenize-content-streams.pdf -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/tokenize-content-streams.pdf Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/tokens-maxlen.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/tokens-maxlen.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/tokens-no-ignorable.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/tokens-no-ignorable.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/tokens.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/tokens.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/unicode-errors.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/unicode-errors.out Changed

@@ -1,5 +1,5 @@
-This file has utf-8 encoding errors and should be edited as a binary file. // <feff0054006800690073002000660069006c006500200068006100730020007500740066002d003800200065006e0063006f00640069006e00670020006500720072006f0072007300200061006e0064002000730068006f0075006c0064002000620065002000650064006900740065006400200061007300200061002000620069006e006100720079002000660069006c0065002e>
- // <feff>
+This file has utf-8 encoding errors and should be edited as a binary file. // <546869732066696c6520686173207574662d3820656e636f64696e67206572726f727320616e642073686f756c642062652065646974656420617320612062696e6172792066696c652e>
+ // <>
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/unicode-op.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/unicode-op.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/unicode-up.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/unicode-up.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/unicode.in -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/unicode.in Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/unicode.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/unicode.out Changed

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+endobj
+
+%% Page 1
+%% Original object ID: 3 0
+6 0 obj
+<<
+  /Contents 7 0 R
+  /MediaBox 
+    0
+    0
+    612
+    792
+  
+  /Parent 3 0 R
+  /Resources <<
+    /Font <<
+      /F1 9 0 R
+    >>
+    /ProcSet 10 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+%% Original object ID: 4 0
+7 0 obj
+<<
+  /Potato (salad)
+  /Length 8 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+8 0 obj
+44
+endobj
+
+%% Original object ID: 6 0
+9 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+%% Original object ID: 5 0
+10 0 obj
+
+  /PDF
+  /Text
+
+endobj
+
+xref
+0 11
+0000000000 65535 f 
+0000000052 00000 n 
+0000000133 00000 n 
+0000000756 00000 n 
+0000000855 00000 n 
+0000000903 00000 n 
+0000000964 00000 n 
+0000001207 00000 n 
+0000001324 00000 n 
+0000001370 00000 n 
+0000001515 00000 n 
+trailer <<
+  /QTest 2 0 R
+  /Root 1 0 R
+  /Size 11
+  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
+>>
+startxref
+1551
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/update-stream-dict-only.json Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/utf16le-attachments.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/utf16le.pdf Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/various-updates-updated.pdf Added

@@ -0,0 +1,128 @@
+%PDF-2.0
+%¿÷¢þ
+%QDF-1.0
+
+%% Original object ID: 1 0
+1 0 obj
+<<
+  /Pages 3 0 R
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 7 0
+2 0 obj
+<<
+  /indirect 4 0 R
+  /now-#cf#80 
+    5 0 R
+  
+  /strings 
+    (one)
+    <feff03c0>
+  
+>>
+endobj
+
+%% Original object ID: 2 0
+3 0 obj
+<<
+  /Count 1
+  /Kids 
+    6 0 R
+  
+  /Type /Pages
+>>
+endobj
+
+%% Original object ID: 8 0
+4 0 obj
+
+  (hello)
+  7 0 R
+
+endobj
+
+%% Original object ID: 9 0
+5 0 obj
+3.14159
+endobj
+
+%% Page 1
+%% Original object ID: 3 0
+6 0 obj
+<<
+  /Contents 8 0 R
+  /MediaBox 
+    0
+    0
+    612
+    792
+  
+  /Parent 3 0 R
+  /Resources <<
+    /Font <<
+      /F1 10 0 R
+    >>
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Original object ID: 10 0
+7 0 obj
+(this is new)
+endobj
+
+%% Contents for page 1
+%% Original object ID: 4 0
+8 0 obj
+<<
+  /Length 9 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+9 0 obj
+44
+endobj
+
+%% Original object ID: 6 0
+10 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+xref
+0 11
+0000000000 65535 f 
+0000000052 00000 n 
+0000000133 00000 n 
+0000000272 00000 n 
+0000000371 00000 n 
+0000000436 00000 n 
+0000000497 00000 n 
+0000000699 00000 n 
+0000000779 00000 n 
+0000000878 00000 n 
+0000000924 00000 n 
+trailer <<
+  /QTest 2 0 R
+  /Root 1 0 R
+  /Size 11
+  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
+>>
+startxref
+1043
+%%EOF

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/various-updates.json Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/verbose-merge.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/verbose-merge.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/warn-replace.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/xref-errors.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/xref-errors.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/xref-range.out Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/xref-range.pdf Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/xref-with-short-size.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/xref-with-short-size.out Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/zero-offset.out -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf/zero-offset.out Changed

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdf_test_helpers.pm Added

@@ -0,0 +1,161 @@
+use File::Spec;
+
+my $devNull = File::Spec->devnull();
+
+my $compare_images = 0;
+if ((exists $ENV{'QPDF_TEST_COMPARE_IMAGES'}) &&
+    ($ENV{'QPDF_TEST_COMPARE_IMAGES'} eq '1'))
+{
+    $compare_images = 1;
+}
+
+chomp(my $gs_version = `gs --version`);
+my $x_gs_args = "";
+if ($gs_version =~ m/^(\d+).(\d+)/)
+{
+    my $major = $1;
+    my $minor = $2;
+    if (($major == 9) && ($minor >= 56))
+    {
+        # There are some PDF files in the test suite that ghostscript
+        # 9.56, the first version to have the "new" PDF interpreter,
+        # can't handle. The bug is fixed for 10.0.0. Fall back to the
+        # old interpreter in the meantime. See
+        # https://bugs.ghostscript.com/show_bug.cgi?id=705842
+        $x_gs_args = "-dNEWPDF=false";
+    }
+}
+
+sub calc_ntests
+{
+    my ($n_tests, $n_compare_pdfs) = @_;
+    my $result = $n_tests;
+    if ($compare_images)
+    {
+        $result += 3 * ($n_compare_pdfs);
+    }
+    $result;
+}
+
+sub check_pdf
+{
+    my ($td, $description, $command, $output, $status) = @_;
+    unlink "a.pdf";
+    $td->runtest($description,
+                 {$td->COMMAND => "$command a.pdf"},
+                 {$td->STRING => "",
+                  $td->EXIT_STATUS => $status});
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => $output});
+}
+
+sub flush_tiff_cache
+{
+    system("rm -rf tiff-cache");
+}
+
+sub compare_pdfs
+{
+    return unless $compare_images;
+
+    # Each call to compare_pdfs generates three tests. This is known
+    # in calc_ntests.
+    my ($td, $f1, $f2, $exp) = @_;
+
+    $exp = 0 unless defined $exp;
+
+    system("rm -rf tif1 tif2");
+
+    mkdir "tiff-cache", 0777 unless -d "tiff-cache";
+
+    my $md5_1 = get_md5_checksum($f1);
+    my $md5_2 = get_md5_checksum($f2);
+
+    mkdir "tif1", 0777 or die;
+    mkdir "tif2", 0777 or die;
+
+    if (-f "tiff-cache/$md5_1.tif")
+    {
+        $td->runtest("get cached original file image",
+                     {$td->COMMAND => "cp tiff-cache/$md5_1.tif tif1/a.tif"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+    }
+    else
+    {
+        # We discard gs's stderr since it has sometimes been known to
+        # complain about files that are not bad.  In particular, gs
+        # 9.04 can't handle empty xref sections such as those found in
+        # the hybrid xref cases.  We don't really care whether gs
+        # complains or not as long as it creates correct images.  If
+        # it doesn't create correct images, the test will fail, and we
+        # can run manually to see the error message.  If it does, then
+        # we don't care about the warning.
+        $td->runtest("convert original file to image",
+                     {$td->COMMAND =>
+                          "(cd tif1;" .
+                          " gs 2>$devNull $x_gs_args" .
+                          " -q -dNOPAUSE -sDEVICE=tiff24nc" .
+                          " -sOutputFile=a.tif - < ../$f1)"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+        copy("tif1/a.tif", "tiff-cache/$md5_1.tif");
+    }
+
+    if (-f "tiff-cache/$md5_2.tif")
+    {
+        $td->runtest("get cached new file image",
+                     {$td->COMMAND => "cp tiff-cache/$md5_2.tif tif2/a.tif"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+    }
+    else
+    {
+        $td->runtest("convert new file to image",
+                     {$td->COMMAND =>
+                          "(cd tif2;" .
+                          " gs 2>$devNull $x_gs_args" .
+                          " -q -dNOPAUSE -sDEVICE=tiff24nc" .
+                          " -sOutputFile=a.tif - < ../$f2)"},
+                     {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+        copy("tif2/a.tif", "tiff-cache/$md5_2.tif");
+    }
+
+    $td->runtest("compare images",
+                 {$td->COMMAND => "tiffcmp -t tif1/a.tif tif2/a.tif"},
+                 {$td->REGEXP => ".*",
+                  $td->EXIT_STATUS => $exp});
+
+    system("rm -rf tif1 tif2");
+}
+
+sub check_metadata
+{
+    my ($td, $file, $exp_encrypted, $exp_cleartext) = @_;
+    my $out = "encrypted=$exp_encrypted; cleartext=$exp_cleartext\n" .
+        "test 6 done\n";
+    $td->runtest("check metadata: $file",
+                 {$td->COMMAND => "test_driver 6 $file"},
+                 {$td->STRING => $out, $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+sub get_md5_checksum
+{
+    my $file = shift;
+    open(F, "<$file") or fatal("can't open $file: $!");
+    binmode F;
+    my $digest = Digest::MD5->new->addfile(*F)->hexdigest;
+    close(F);
+    $digest;
+}
+
+sub cleanup
+{
+    system("rm -rf ?.json *.ps *.pnm ?.pdf ?.qdf *.enc* tif1 tif2 tiff-cache");
+    system("rm -rf *split-out* ???-kfo.pdf *.tmpout \@file.pdf auto-*");
+}
+
+1;

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/qpdfjob.test Added

@@ -0,0 +1,132 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('qpdfjob');
+
+open(F, ">auto-txt") or die;
+print F "from file";
+close(F);
+
+my @bad_json = (
+    "bare-option-false",
+    "choice-mismatch",
+    "encrypt-duplicate-key-length",
+    "encrypt-missing-password",
+    "encrypt-no-key-length",
+    "pages-no-file",
+    "schema-error",
+    "json-error"
+    );
+my @good_json = (
+    "choice-match",
+    "input-file-password",
+    "empty-input",
+    "replace-input",
+    "encrypt-40",
+    "encrypt-128",
+    "encrypt-256-with-restrictions",
+    "add-attachments",
+    "copy-attachments",
+    "underlay-overlay",
+    "underlay-overlay-password",
+    "misc-options",
+    );
+my $n_tests = 10 + scalar(@bad_json) + (2 * scalar(@good_json));
+
+
+foreach my $i (@bad_json)
+{
+    $td->runtest("QPDFJob bad json: $i",
+                 {$td->COMMAND => "qpdf --job-json-file=bad-json-$i.json"},
+                 {$td->FILE => "bad-$i-json.out", $td->EXIT_STATUS => 2},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+foreach my $i (@good_json)
+{
+    if ($i eq 'replace-input')
+    {
+        copy("minimal.pdf", 'a.pdf');
+    }
+    $td->runtest("QPDFJob good json: $i",
+                 {$td->COMMAND => "qpdf --job-json-file=job-json-$i.json"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    if ($i =~ m/encrypt-256/)
+    {
+        $td->runtest("check encryption $i",
+                     {$td->COMMAND =>
+                          "qpdf a.pdf --password=u" .
+                          " --job-json-file=job-show-encryption.json"},
+                     {$td->FILE => "job-json-$i.out", $td->EXIT_STATUS => 0},
+                     $td->NORMALIZE_NEWLINES);
+    }
+    else
+    {
+        $td->runtest("check good json $i output",
+                     {$td->FILE => "a.pdf"},
+                     {$td->FILE => "job-json-$i.pdf"});
+    }
+}
+
+
+$td->runtest("QPDFJob json partial",
+             {$td->COMMAND => "test_driver 83 - job-partial.json"},
+             {$td->FILE => "job-partial-json.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("QPDFJob API",
+             {$td->COMMAND => "test_driver 84 -",
+                  $td->FILTER => "perl filter-progress.pl"},
+             {$td->FILE => "job-api.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "test84.pdf"});
+$td->runtest("json output from job",
+             {$td->COMMAND => "qpdf --job-json-file=job-json-output.json"},
+             {$td->FILE => "job-json-output.out.json", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("C job API",
+             {$td->COMMAND => "qpdfjob-ctest",
+                  $td->FILTER => "perl filter-progress.pl"},
+             {$td->FILE => "qpdfjob-ctest.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+foreach my $i ('a.pdf', 1, 'b.pdf', 2, 'c.pdf', 3)
+{
+    $td->runtest("check output",
+                 {$td->FILE => $i->0},
+                 {$td->FILE => "qpdfjob-ctest$i->1.pdf"});
+}
+my $wide_out = `qpdfjob-ctest wide`;
+$td->runtest("qpdfjob-ctest wide",
+             {$td->STRING => "$?: $wide_out"},
+             {$td->REGEXP => "0: (wide test passed|skipped wide)\n"},
+             $td->NORMALIZE_NEWLINES);
+if ($wide_out =~ m/skipped/)
+{
+    $td->runtest("skipped wide",
+                 {$td->STRING => "yes"},
+                 {$td->STRING => "yes"});
+}
+else
+{
+    $td->runtest("check output",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "qpdfjob-ctest-wide.pdf"});
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/renumber-objects.test Added

@@ -0,0 +1,74 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('renumber-objects');
+
+my $n_tests = 8;
+
+$td->runtest("w/o objstm",
+             {$td->COMMAND => "test_renumber minimal.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("w/ objstm",
+             {$td->COMMAND => "test_renumber digitally-signed.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("w/o objstm, --object-streams=generate",
+             {$td->COMMAND =>
+                  "test_renumber --object-streams=generate minimal.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("w/ objstm, --object-streams=generate",
+             {$td->COMMAND =>
+                  "test_renumber --object-streams=generate digitally-signed.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("w/o objstm, --linearize",
+             {$td->COMMAND =>
+                  "test_renumber --linearize minimal.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("w/ objstm, --linearize",
+             {$td->COMMAND =>
+                  "test_renumber --linearize digitally-signed.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("w/o objstm, --preserve-unreferenced",
+             {$td->COMMAND =>
+                  "test_renumber --preserve-unreferenced minimal.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("w/ objstm, --preserve-unreferenced",
+             {$td->COMMAND =>
+                  "test_renumber --preserve-unreferenced digitally-signed.pdf"},
+             {$td->REGEXP => "succeeded\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/replace-input.test Added

@@ -0,0 +1,56 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('replace-input');
+
+my $n_tests = 8;
+
+# Use Unicode file names to test replace input so we can be sure it
+# works for that case.
+$td->runtest("create unicode filenames",
+             {$td->COMMAND => "test_unicode_filenames"},
+             {$td->STRING => "created Unicode filenames\n",
+                  $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+foreach my $d ('auto-ü', 1, 'auto-öπ', 2)
+{
+    my ($u, $n) = @$d;
+    $td->runtest("replace input $u",
+                 {$td->COMMAND => "qpdf --deterministic-id" .
+                      " --object-streams=generate --replace-input ./$u.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output ($u)",
+                 {$td->FILE => "$u.pdf"},
+                 {$td->FILE => "replace-input.pdf"},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+system("cp xref-with-short-size.pdf auto-warn.pdf") == 0 or die;
+$td->runtest("replace input with warnings",
+             {$td->COMMAND =>
+                  "qpdf --deterministic-id --replace-input ./auto-warn.pdf"},
+             {$td->FILE => "replace-warn.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("check output",
+             {$td->FILE => "auto-warn.pdf"},
+             {$td->FILE => "warn-replace.pdf"});
+$td->runtest("check orig output",
+             {$td->FILE => "auto-warn.pdf.~qpdf-orig"},
+             {$td->FILE => "xref-with-short-size.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/rotate-pages.test Added

@@ -0,0 +1,104 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('rotate-pages');
+
+my $n_tests = 18;
+
+# Do absolute, positive, and negative on ranges that include
+# inherited and non-inherited.
+# Pages 11-15 inherit /Rotate 90
+# Pages 1 and 2 have explicit /Rotate 270
+# Pages 16 and 17 have explicit /Rotate 180
+
+$td->runtest("page rotation",
+             {$td->COMMAND => "qpdf --static-id to-rotate.pdf a.pdf" .
+                  " --rotate=+90:1,4,11,16" .
+                  " --rotate=180:2,5,12-13" .
+                  " --rotate=-90:3,15,17,18"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "rotated.pdf"});
+
+$td->runtest("remove rotation",
+             {$td->COMMAND => "qpdf --static-id rotated.pdf a.pdf" .
+                  " --qdf --no-original-object-ids --rotate=0"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "unrotated.pdf"});
+
+$td->runtest("rotate all pages",
+             {$td->COMMAND =>
+                  "qpdf --static-id --rotate=180 minimal.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "minimal-rotated.pdf"});
+
+$td->runtest("flatten with inherited rotate",
+             {$td->COMMAND =>
+                  "qpdf --static-id --flatten-rotation" .
+                  " inherited-rotate.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "inherited-flattened.pdf"});
+
+foreach my $angle (qw(90 180 270))
+{
+    $td->runtest("rotate annotations",
+                 {$td->COMMAND =>
+                      "qpdf --static-id --qdf --rotate=$angle" .
+                      " --flatten-rotation --no-original-object-ids" .
+                      " form-fields-and-annotations.pdf a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("check output (flatten $angle)",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "annotations-rotated-$angle.pdf"});
+}
+
+# The file form-fields-and-annotations-shared.pdf contains some
+# annotations that appear in multiple pages /Annots, some non-shared
+# things that share appearance streams, some form fields appear on
+# multiple pages, and an indirect /Annotations array. It is out of
+# spec in several ways but still works in most viewers. These test
+# make sure we don't make anything worse and also end up exercising
+# some cases of things being copied more than once, though we also
+# exercise that with legitimate test cases using overlay.
+
+$td->runtest("shared annotations 1 page",
+             {$td->COMMAND =>
+                  "qpdf --qdf --no-original-object-ids --static-id" .
+                  " --rotate=90:1 form-fields-and-annotations-shared.pdf" .
+                  " a.pdf --flatten-rotation"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "rotated-shared-annotations-1.pdf"});
+$td->runtest("shared annotations 2 pages",
+             {$td->COMMAND =>
+                  "qpdf --qdf --no-original-object-ids --static-id" .
+                  " --rotate=90:1,2 form-fields-and-annotations-shared.pdf" .
+                  " a.pdf --flatten-rotation"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "rotated-shared-annotations-2.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/signature-dictionary.test Added

@@ -0,0 +1,132 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('signature-dictionary');
+
+my $n_tests = 0;
+
+$n_tests += 6;
+foreach my $i (qw(preserve disable generate))
+{
+    $td->runtest("sig dict contents hex (object-streams=$i)",
+                 {$td->COMMAND =>
+                      "qpdf --object-streams=$i digitally-signed.pdf a.pdf"},
+                 {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+    # Use grep -f rather than writing something in test_driver because
+    # the point of the test is to ensure that the contents appears in
+    # the output file in the correct format.
+    $td->runtest("find desired contents (object-streams=$i)",
+                 {$td->COMMAND =>
+                      "grep -f digitally-signed-sig-dict-contents.out a.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+}
+
+$n_tests += 4;
+foreach my $i (qw(preserve disable))
+{
+    $td->runtest("non sig dict contents text string (object-streams=$i)",
+                 {$td->COMMAND =>
+                      "qpdf --object-streams=$i comment-annotation.pdf a.pdf"},
+                 {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("find desired contents as non hex (object-streams=$i)",
+                 {$td->COMMAND =>
+                      "grep \"/Contents (Salad)\" a.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+}
+
+$n_tests += 2;
+    $td->runtest("non sig dict contents text string (object-streams=generate)",
+                 {$td->COMMAND =>
+                      "qpdf --object-streams=generate comment-annotation.pdf a.pdf"},
+                 {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("plain text not found due to compression (object-streams=generate)",
+                 {$td->COMMAND =>
+                      "grep \"/Contents (Salad)\" a.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 1});
+
+$n_tests += 12;
+foreach my $i (qw(40 128 256))
+{
+    my $x = "";
+    if ($i < 256)
+    {
+        $x = "--allow-weak-crypto";
+    }
+    $td->runtest("encrypt $i",
+                 {$td->COMMAND =>
+                      "qpdf $x --encrypt '' o $i --" .
+                      " digitally-signed.pdf a.pdf"},
+                 {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("find desired contents (encrypt $i)",
+                 {$td->COMMAND =>
+                      "grep -f digitally-signed-sig-dict-contents.out a.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("decrypt",
+                 {$td->COMMAND =>
+                      "qpdf --decrypt a.pdf b.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("find desired contents (decrypt $i)",
+                 {$td->COMMAND =>
+                      "grep -f digitally-signed-sig-dict-contents.out b.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+}
+
+$n_tests += 15;
+foreach my $i (qw(40 128 256))
+{
+    my $x = "";
+    if ($i < 256)
+    {
+        $x = "--allow-weak-crypto";
+    }
+    $td->runtest("non sig dict encrypt $i",
+                 {$td->COMMAND =>
+                      "qpdf $x --encrypt '' o $i --" .
+                      " comment-annotation.pdf a.pdf"},
+                 {$td->STRING => "",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("plain text not found due to encryption (non sig dict encrypt $i)",
+                 {$td->COMMAND =>
+                      "grep \"/Contents (Salad)\" a.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 1});
+    $td->runtest("find encrypted contents (non sig dict encrypt $i)",
+                 {$td->COMMAND =>
+                      "grep \"/Contents <.*>\" a.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("non sig dict decrypt",
+                 {$td->COMMAND =>
+                      "qpdf --decrypt a.pdf b.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+    $td->runtest("find desired contents (non sig dict decrypt $i)",
+                 {$td->COMMAND =>
+                      "grep \"/Contents (Salad)\" b.pdf"},
+                 {$td->REGEXP => ".*",
+                      $td->EXIT_STATUS => 0});
+}
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/specialized-filter.test Added

@@ -0,0 +1,44 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use Digest::MD5;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('specialized-filter');
+
+my $n_tests = 3;
+my $n_compare_pdfs = 1;
+
+# The PDF file was submitted on bug #83 on github. All the PNG filters
+# are exercised. The test suite does not exercise PNG predictors with
+# LZW because I don't have a way to create such a file, but it's very
+# likely that it will work since the handling of the PNG filters is
+# separate from the regular decompression.
+$td->runtest("decode png-filtering",
+             {$td->COMMAND => "qpdf --static-id" .
+                  " --compress-streams=n --decode-level=generalized" .
+                  " png-filters.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "png-filters-decoded.pdf"});
+compare_pdfs($td, "png-filters.pdf", "a.pdf");
+
+$td->runtest("stream with tiff predictor",
+             {$td->COMMAND => "qpdf --check tiff-predictor.pdf"},
+             {$td->FILE => "tiff-predictor.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report(calc_ntests($n_tests, $n_compare_pdfs));

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/specific-bugs.test Added

@@ -0,0 +1,82 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('specific-bugs');
+
+# The number is the github issue number in which the bug was reported.
+my @bug_tests = (
+    "51", "resolve loop", 3,
+    "99", "object 0", 2,
+    "99b", "object 0", 2,
+    "100", "xref reconstruction loop", 2,
+    "101", "resolve for exception text", 2,
+    "117", "other infinite loop", 3,
+    "118", "other infinite loop", 2,
+    "119", "other infinite loop", 3,
+    "120", "other infinite loop", 3,
+    "106", "zlib data error", 3,
+    "141a", "/W entry size 0", 2,
+    "141b", "/W entry size 0", 2,
+    "143", "self-referential ostream", 3, "--preserve-unreferenced",
+    "146", "very deeply nested array", 2,
+    "147", "previously caused memory error", 2,
+    "148", "free memory on bad flate", 2,
+    "149", "xref prev pointer loop", 3,
+    "150", "integer overflow", 2,
+    "202", "even more deeply nested dictionary", 2,
+    "263", "empty xref stream", 2,
+    "335a", "ozz-fuzz-12152", 2,
+    "335b", "ozz-fuzz-14845", 2,
+    "fuzz-16214", "stream in object stream", 3, "--preserve-unreferenced",
+    # When adding to this list, consider adding to CORPUS_FROM_TEST in
+    # fuzz/CMakeLists.txt and updating the count in
+    # fuzz/qtest/fuzz.test.
+    );
+my $n_tests = scalar(@bug_tests);
+foreach my $d (@bug_tests)
+{
+    my ($n, $description, $exit_status, $xargs) = @$d;
+    if (! defined $xargs)
+    {
+        $xargs = "";
+    }
+    if (-f "issue-$n.obfuscated")
+    {
+        # Some of the PDF files in the test suite trigger anti-virus
+        # warnings (MAL/PDFEx-H) and are quarantined or deleted by
+        # some antivirus software. These files are not actually
+        # infected files with malicious intent. They are present in
+        # the test suite to ensure that qpdf does not crash when
+        # process those files. Base64-encode them and pass them to
+        # stdin to prevent anti-virus programs from messing up the
+        # extracted sources. Search for "obfuscated" in test_driver.cc
+        # for instructions on how to obfuscate input files.
+        $td->runtest($description,
+                     {$td->COMMAND => "test_driver 45 issue-$n"},
+                     {$td->FILE => "issue-$n.out",
+                          $td->EXIT_STATUS => $exit_status},
+                     $td->NORMALIZE_NEWLINES);
+    }
+    else
+    {
+        my $base = (-f "issue-$n.pdf") ? "issue-$n" : "$n";
+        $td->runtest($description,
+                     {$td->COMMAND => "qpdf $xargs $base.pdf a.pdf"},
+                     {$td->FILE => "$base.out",
+                          $td->EXIT_STATUS => $exit_status},
+                     $td->NORMALIZE_NEWLINES);
+    }
+}
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/specific-file.test Added

@@ -0,0 +1,67 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('specific-file');
+
+my $n_tests = 11;
+
+# Special PDF files that caused problems at some point
+
+$td->runtest("damaged stream",
+             {$td->COMMAND => "qpdf --check damaged-stream.pdf"},
+             {$td->FILE => "damaged-stream.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("damaged stream (C)",
+             {$td->COMMAND => "qpdf-ctest 2 damaged-stream.pdf '' a.pdf"},
+             {$td->FILE => "damaged-stream-c-check.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compress objstm and xref",
+             {$td->COMMAND =>
+                  "qpdf --static-id --stream-data=compress".
+                  " --object-streams=generate minimal.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "compress-objstm-xref.pdf"});
+$td->runtest("qdf + preserved-unreferenced + xref streams",
+             {$td->COMMAND => "qpdf --qdf --preserve-unreferenced" .
+                  " --static-id compress-objstm-xref.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "compress-objstm-xref-qdf.pdf"});
+$td->runtest("check fix-qdf idempotency",
+             {$td->COMMAND => "fix-qdf a.pdf"},
+             {$td->FILE => "a.pdf", $td->EXIT_STATUS => 0});
+$td->runtest("pages points to page",
+             {$td->COMMAND =>
+                  "qpdf --static-id --linearize pages-is-page.pdf a.pdf"},
+             {$td->FILE => "pages-is-page.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "pages-is-page-out.pdf"});
+$td->runtest("Acroform /DR with indirect subkey",
+             {$td->COMMAND =>
+                  "qpdf --static-id --empty" .
+                  " --pages dr-with-indirect-item.pdf -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "dr-with-indirect-item-out.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/split-pages.test Added

@@ -0,0 +1,213 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use Digest::MD5;
+use File::Copy;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('split-pages');
+
+my $n_tests = 42;
+my $n_compare_pdfs = 2;
+
+# sp = split-pages
+my @sp_cases = (
+    11, '%d at beginning', '', '%d_split-out.zdf',
+    11, '%d at end', '--qdf', 'split-out.zdf_%d',
+    11, '%d in middle', '--allow-weak-crypto --encrypt u o 128 --',
+     'a-%d-split-out.zdf',
+    11, 'pdf extension', '', 'split-out.Pdf',
+    4, 'fallback', '--pages 11-pages.pdf 1-3 minimal.pdf --', 'split-out',
+    1, 'broken data', '--pages broken-lzw.pdf --', 'split-out.pdf',
+     {$td->FILE => "broken-lzw.out", $td->EXIT_STATUS => 3},
+    );
+for (@sp_cases)
+{
+    $n_tests += 1 + $_->0;
+}
+
+$td->runtest("split page group > 1",
+             {$td->COMMAND => "qpdf --static-id --split-pages=5 11-pages.pdf" .
+                  " --verbose split-out-group.pdf"},
+             {$td->FILE => "split-pages-group.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+foreach my $f ('01-05', '06-10', '11-11')
+{
+    $td->runtest("check out group $f",
+                 {$td->FILE => "split-out-group-$f.pdf"},
+                 {$td->FILE => "split-exp-group-$f.pdf"});
+}
+
+$td->runtest("no split-pages to stdout",
+             {$td->COMMAND => "qpdf --split-pages 11-pages.pdf -"},
+             {$td->FILE => "split-pages-stdout.out", $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("split page with shared resources",
+             {$td->COMMAND => "qpdf --qdf --static-id --split-pages=4".
+                  " shared-images.pdf split-out-shared.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+foreach my $i (qw(01-04 05-08 09-10))
+{
+    $td->runtest("check output ($i)",
+                 {$td->FILE => "split-out-shared-$i.pdf"},
+                 {$td->FILE => "shared-split-$i.pdf"});
+}
+
+$td->runtest("split page with labels",
+             {$td->COMMAND => "qpdf --qdf --static-id --split-pages=6".
+                  " 11-pages-with-labels.pdf split-out-labels.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+foreach my $i (qw(01-06 07-11))
+{
+    $td->runtest("check output ($i)",
+                 {$td->FILE => "split-out-labels-$i.pdf"},
+                 {$td->FILE => "labels-split-$i.pdf"});
+}
+
+# See comments in TODO about these expected failures. Search for
+# "split page with outlines".
+$td->runtest("split page with outlines",
+             {$td->COMMAND => "qpdf --qdf --static-id --split-pages=10".
+                  " outlines-with-actions.pdf split-out-outlines.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+foreach my $i (qw(01-10 11-20 21-30))
+{
+    $td->runtest("check output ($i)",
+                 {$td->FILE => "split-out-outlines-$i.pdf"},
+                 {$td->FILE => "outlines-split-$i.pdf"},
+                 $td->EXPECT_FAILURE)
+}
+
+foreach my $d (@sp_cases)
+{
+    my ($n, $description, $xargs, $out, $exp) = @$d;
+    if (! defined $exp)
+    {
+        $exp = {$td->STRING => "", $td->EXIT_STATUS => 0};
+    }
+    $td->runtest("split pages " . $description,
+                 {$td->COMMAND =>
+                      "qpdf --static-id --split-pages 11-pages.pdf" .
+                      " $xargs $out"},
+                 $exp,
+                 $td->NORMALIZE_NEWLINES);
+    my $pattern = $out;
+    my $nlen = length($n);
+    if ($pattern =~ m/\%d/)
+    {
+        $pattern =~ s/\%d/\%0${nlen}d/;
+    }
+    elsif ($pattern =~ m/\.pdf$/i)
+    {
+        $pattern =~ s/(\.pdf$)/-%0${nlen}d$1/i;
+    }
+    else
+    {
+        $pattern .= "-%0${nlen}d";
+    }
+    for (my $i = 1; $i <= $n; ++$i)
+    {
+        my $actual = sprintf($pattern, $i);
+        my $expected = $actual;
+        $expected =~ s/split-out/split-exp/;
+        $td->runtest("check output page $i ($description)",
+                     {$td->FILE => $actual},
+                     {$td->FILE => $expected});
+    }
+}
+
+$td->runtest("split shared font, xobject",
+             {$td->COMMAND =>
+                  "qpdf --static-id --qdf --no-original-object-ids" .
+                  " --split-pages shared-font-xobject.pdf" .
+                  " split-out-shared-font-xobject.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+foreach my $i (qw(1 2 3 4))
+{
+    $td->runtest("check output ($i)",
+                 {$td->FILE => "split-out-shared-font-xobject-$i.pdf"},
+                 {$td->FILE => "shared-font-xobject-split-$i.pdf"});
+}
+
+$td->runtest("unreferenced resources with bad token",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id --split-pages=2" .
+                  " --remove-unreferenced-resources=yes" .
+                  " split-tokens.pdf split-out-bad-token.pdf"},
+             {$td->FILE => "split-tokens-split.out", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "split-out-bad-token-1-2.pdf"},
+             {$td->FILE => "split-tokens-split-1-2.pdf"});
+$td->runtest("--no-warn with proxied warnings during split",
+             {$td->COMMAND =>
+                  "qpdf --qdf --static-id --split-pages=2" .
+                  " --no-warn --remove-unreferenced-resources=yes" .
+                  " split-tokens.pdf split-out-bad-token.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("shared images in form xobject",
+             {$td->COMMAND => "qpdf --qdf --static-id --split-pages".
+                  " shared-form-images.pdf split-out-shared-form.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+foreach my $i (qw(1 2 3 4 5 6))
+{
+    $td->runtest("check output ($i)",
+                 {$td->FILE => "split-out-shared-form-$i.pdf"},
+                 {$td->FILE => "shared-form-split-$i.pdf"});
+}
+$td->runtest("merge for compare",
+             {$td->COMMAND => "qpdf --static-id --empty --pages" .
+                  " split-out-shared-form*.pdf -- a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "shared-form-images-merged.pdf"});
+compare_pdfs($td, "shared-form-images.pdf", "a.pdf");
+
+$td->runtest("shared form xobject subkey",
+             {$td->COMMAND => "qpdf --qdf --static-id --split-pages".
+                  " shared-form-images-xobject.pdf" .
+                  " split-out-shared-form-xobject.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+foreach my $i (qw(1 2))
+{
+    $td->runtest("check output ($i)",
+                 {$td->FILE => "split-out-shared-form-xobject-$i.pdf"},
+                 {$td->FILE => "shared-form-xobject-split-$i.pdf"});
+}
+
+my @fo_resources = ('form-xobjects-no-resources', 1,
+                    'form-xobjects-some-resources1', 0,
+                    'form-xobjects-some-resources2', 0);
+foreach my $d (@fo_resources)
+{
+    my ($f, $compare) = @$d;
+    $td->runtest("split $f",
+                 {$td->COMMAND =>
+                      "qpdf --empty --static-id --pages $f.pdf 1 --" .
+                      " --remove-unreferenced-resources=yes a.pdf"},
+                 {$td->STRING => "", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+    $td->runtest("check output ($f)",
+                 {$td->FILE => "a.pdf"},
+                 {$td->FILE => "$f-out.pdf"});
+    if ($compare)
+    {
+        compare_pdfs($td, "$f.pdf", "a.pdf");
+    }
+}
+
+cleanup();
+$td->report(calc_ntests($n_tests, $n_compare_pdfs));

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/stream-data.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/stream-line-terminators.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/stream-replacements.test Added

@@ -0,0 +1,56 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('stream-replacements');
+
+my $n_tests = 10;
+
+$td->runtest("replace stream data",
+             {$td->COMMAND => "test_driver 7 qstream.pdf"},
+             {$td->STRING => "test 7 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "replaced-stream-data.pdf"});
+$td->runtest("replace stream data compressed",
+             {$td->COMMAND => "test_driver 8 qstream.pdf"},
+             {$td->FILE => "test8.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "replaced-stream-data-flate.pdf"});
+$td->runtest("new streams",
+             {$td->COMMAND => "test_driver 9 minimal.pdf"},
+             {$td->FILE => "test9.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("new stream",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "new-streams.pdf"});
+$td->runtest("add page contents",
+             {$td->COMMAND => "test_driver 10 minimal.pdf"},
+             {$td->STRING => "test 10 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("new stream",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "add-contents.pdf"});
+$td->runtest("functional replace stream data",
+             {$td->COMMAND => "test_driver 78 minimal.pdf"},
+             {$td->FILE => "test78.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "test78.pdf"});
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/swap-and-replace.test Added

@@ -0,0 +1,37 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('swap-and-replace');
+
+my $n_tests = 3;
+
+$td->runtest("swap and replace",
+             {$td->COMMAND => "test_driver 14 test14-in.pdf"},
+             {$td->FILE => "test14.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "test14-out.pdf"});
+
+# Most of the test suite uses static or deterministic ID. This test
+# case exercises regular ID generation. Test 14 also exercises writing
+# to memory without static ID.
+$td->runtest("check non-static ID version",
+             {$td->COMMAND => "sh ./diff-ignore-ID-version a.pdf b.pdf"},
+             {$td->STRING => "okay\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/token-filters.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/tokenizer.test Added

@@ -0,0 +1,42 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('tokenizer');
+
+my $n_tests = 4;
+
+$td->runtest("tokenizer with no ignorable",
+             {$td->COMMAND => "test_tokenizer -no-ignorable tokens.pdf"},
+             {$td->FILE => "tokens-no-ignorable.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("tokenizer",
+             {$td->COMMAND => "test_tokenizer tokens.pdf"},
+             {$td->FILE => "tokens.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("tokenizer with max_len",
+             {$td->COMMAND => "test_tokenizer -maxlen 50 tokens.pdf"},
+             {$td->FILE => "tokens-maxlen.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("ignore bad token",
+             {$td->COMMAND =>
+                  "qpdf --show-xref bad-token-startxref.pdf"},
+             {$td->FILE => "bad-token-startxref.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/type-checks.test Added

@@ -0,0 +1,52 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('type-checks');
+
+my $n_tests = 6;
+
+# Whenever object-types.pdf is edited, object-types-os.pdf should be
+# regenerated.
+$td->runtest("ensure object-types-os is up-to-date",
+             {$td->COMMAND =>
+                  "qpdf" .
+                  " --object-streams=generate" .
+                  " --deterministic-id" .
+                  " --stream-data=uncompress" .
+                  " object-types.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0});
+$td->runtest("check file",
+             {$td->FILE => "a.pdf"},
+             {$td->FILE => "object-types-os.pdf"});
+$td->runtest("type checks",
+             {$td->COMMAND => "test_driver 42 object-types.pdf"},
+             {$td->FILE => "object-types.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("type checks with object streams",
+             {$td->COMMAND => "test_driver 42 object-types-os.pdf"},
+             {$td->FILE => "object-types-os.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("compound type checks",
+             {$td->COMMAND => "test_driver 82 object-types-os.pdf"},
+             {$td->STRING => "test 82 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("indirect objects belonging to destroyed QPDF",
+             {$td->COMMAND => "test_driver 92 -"},
+             {$td->STRING => "test 92 done\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/unicode-filenames.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/unicode-password.test Added

@@ -0,0 +1,220 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('unicode-password');
+
+my $n_tests = 0;
+# $n_tests incremented below
+
+# Files with each of these passwords when properly encoded have been
+# tested manually with multiple PDF viewers. Adobe Reader, chrome,
+# xpdf, and gv can open all of them except R3 with "single-byte",
+# which can be opened by xpdf and gv but not the others. As of
+# 2019-01-19, okular and atril (evince) are not able to open R=6 files
+# with Unicode passwords as generated by qpdf but can open the R=3
+# files.
+
+# bits, password-or-password-name, write-encoding, actual-encoding, xargs,
+#  read-encoding, strict?, fail?, tried-others, xargs
+my @unicode_pw_cases = (
+    128, 'simple', 'pdf-doc', 'pdf-doc', '',
+     'utf8', 0, 0, 1, '',
+      'utf8', 1, 1, 0, '',
+      'pdf-doc', 1, 0, 0, '',
+     ,
+    128, 'simple', 'utf8', 'utf8', '--password-mode=bytes',
+     'pdf-doc', 0, 0, 1, '',
+      'pdf-doc', 1, 1, 0, '',
+      'utf8', 1, 0, 0, '',
+     ,
+    128, 'simple', 'utf8', 'pdf-doc', '--password-mode=unicode',
+     'pdf-doc', 1, 0, 0, '',
+     ,
+    128, 'simple', 'utf8', 'pdf-doc', '--password-mode=auto',
+     'pdf-doc', 1, 0, 0, '',
+     ,
+    128, 'single-byte', 'utf8', 'pdf-doc', '',
+     'pdf-doc', 1, 0, 0, '',
+      'win-ansi', 0, 0, 1, '',
+     ,
+    128, 'single-byte', 'utf8', 'pdf-doc', '--password-mode=unicode',
+     'pdf-doc', 1, 0, 0, '',
+      'win-ansi', 0, 0, 1, '',
+     ,
+    128, 'single-byte', 'win-ansi', '', '--password-mode=unicode',
+     "supplied password is not valid UTF-8\n",
+    ,
+    128, 'single-byte', 'win-ansi', 'win-ansi', '',
+     'win-ansi', 1, 0, 0, '',
+     ,
+    128, 'single-byte', 'pdf-doc', 'pdf-doc', '',
+     'pdf-doc', 1, 0, 0, '',
+      'win-ansi', 0, 0, 1, '',
+      'pdf-doc-hex', 1, 0, 0, '--password-mode=hex-bytes',
+     ,
+    128, 'complex', 'utf8', '', '--password-mode=unicode',
+     "supplied password cannot be encoded for 40-bit or" .
+     " 128-bit encryption formats\n"
+    ,
+    128, 'complex', 'utf8', 'utf8', '--password-mode=bytes',
+     'utf8', 1, 0, 0, '',
+     ,
+    256, 'single-byte', 'win-ansi', '', '--password-mode=unicode',
+     "supplied password is not valid UTF-8\n",
+    ,
+    256, 'single-byte', 'win-ansi', '', '--password-mode=auto',
+     "supplied password is not a valid Unicode password, which is" .
+     " required for 256-bit encryption; to really use this password," .
+     " rerun with the --password-mode=bytes option\n",
+    ,
+    256, 'single-byte', 'win-ansi', 'win-ansi', '--password-mode=bytes',
+     'utf8', 0, 0, 1, '',
+      'utf8', 1, 1, 0, '',
+      'win-ansi', 1, 0, 0, '',
+      'win-ansi', 0, 0, 0, '',
+      'pdf-doc', 0, 0, 1, '',
+      'pdf-doc-hex', 0, 0, 1, '--password-mode=hex-bytes',
+     ,
+    256, 'complex', 'utf8', 'utf8', '',
+     'utf8', 1, 0, 0, '',
+      'utf8-hex', 1, 0, 0, '--password-mode=hex-bytes',
+     ,
+    256, 'complex', 'utf8-hex', 'utf8', '--password-mode=hex-bytes',
+     'utf8', 1, 0, 0, '',
+      'utf8-hex', 1, 0, 0, '--password-mode=hex-bytes',
+     ,
+    256, 'complex', 'utf8', 'utf8', '--password-mode=unicode',
+     'utf8', 1, 0, 0, '',
+      'password-arg-simple-utf8', 0, 1, 1, '',
+     ,
+    );
+
+for my $d (@unicode_pw_cases)
+{
+    my $decode_cases = $d->5;
+    $n_tests += 1;
+    if (ref($decode_cases) eq 'ARRAY')
+    {
+        $n_tests += scalar(@$decode_cases);
+    }
+}
+
+foreach my $d (@unicode_pw_cases)
+{
+    my ($bits, $pw, $w_encoding, $a_encoding, $xargs, $decode_cases) = @$d;
+    my $w_pfile = "password-bare-$pw-$w_encoding";
+    my $upass;
+    if (-f $w_pfile)
+    {
+        $upass = '@' . $w_pfile;
+    }
+    else
+    {
+        $upass = "$pw";
+    }
+    my $outbase = "unicode-pw-$bits-$pw-$w_encoding-$xargs";
+    my $exp = '';
+    if (ref($decode_cases) ne 'ARRAY')
+    {
+        $exp = "qpdf: $decode_cases";
+        $decode_cases = ;
+    }
+    $td->runtest("encode $bits, $pw, $w_encoding",
+                 {$td->COMMAND =>
+                      "qpdf $xargs --static-id --static-aes-iv" .
+                      " --allow-weak-crypto" .
+                      " --encrypt $upass o $bits -- minimal.pdf a.pdf"},
+                 {$td->STRING => $exp, $td->EXIT_STATUS => ($exp ? 2 : 0)},
+                 $td->NORMALIZE_NEWLINES);
+    foreach my $d2 (@$decode_cases)
+    {
+        my ($r_encoding, $strict, $xfail, $tried_others, $r_xargs) = @$d2;
+        my $r_pfile = "password-arg-$pw-$r_encoding";
+        if (! -f $r_pfile)
+        {
+            $r_pfile = $r_encoding;
+        }
+        my $r_output = "";
+        $r_output .= "trying other\n" if $tried_others;
+        my $arg = "--show-encryption";
+        if ($xfail)
+        {
+            $r_output .= "qpdf: a.pdf: invalid password\n";
+            $arg = "--check";
+        }
+        else
+        {
+            $r_output .= "R = " . ($bits == 128 ? '3' : '6') . "\n";
+            open(F, "<password-bare-$pw-$a_encoding") or die;
+            chomp (my $apw = <F>);
+            close(F);
+            $r_output .= "User password = $apw\n";
+        }
+        $r_xargs .= $strict ? ' --suppress-password-recovery' : '';
+        $td->runtest("decrypt $pw, $r_encoding, strict=$strict",
+                     {$td->COMMAND =>
+                          "qpdf $arg --verbose" .
+                          " $r_xargs a.pdf \@$r_pfile",
+                          $td->FILTER => "perl show-unicode-encryption.pl"},
+                     {$td->STRING => "$r_output",
+                          $td->EXIT_STATUS => ($xfail ? 2 : 0)},
+                     $td->NORMALIZE_NEWLINES);
+    }
+}
+
+$n_tests += 5;
+
+$td->runtest("bytes fallback warning",
+             {$td->COMMAND =>
+                  "qpdf --allow-weak-crypto" .
+                  " --encrypt \@password-bare-complex-utf8 o 128 --" .
+                  " minimal.pdf a.pdf"},
+             {$td->FILE => "bytes-fallback.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+{ # local scope
+    my $r_output = "";
+    $r_output .= "R = 3\n";
+    open(F, "<password-bare-complex-utf8") or die;
+    chomp (my $apw = <F>);
+    close(F);
+    $r_output .= "User password = $apw\n";
+    $td->runtest("decrypt bytes fallback",
+                 {$td->COMMAND =>
+                      "qpdf --show-encryption --verbose" .
+                      " a.pdf \@password-arg-complex-utf8" .
+                      " --password-mode=bytes",
+                      $td->FILTER => "perl show-unicode-encryption.pl"},
+                 {$td->STRING => "$r_output", $td->EXIT_STATUS => 0},
+                 $td->NORMALIZE_NEWLINES);
+}
+
+# Exercise passing Unicode passwords via the command line. This tests
+# wmain for Windows and assumes a UTF-8 locale for other platforms.
+$td->runtest("Unicode at CLI",
+             {$td->COMMAND =>
+                  "qpdf --encrypt π ʬ 256 --" .
+                  " minimal.pdf a.pdf"},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("Decrypt using user password",
+             {$td->COMMAND => "qpdf --show-encryption a.pdf --password=π"},
+             {$td->FILE => "unicode-up.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("Decrypt using owner password",
+             {$td->COMMAND => "qpdf --show-encryption a.pdf --password=ʬ"},
+             {$td->FILE => "unicode-op.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/weak-cryptography.test Added

@@ -0,0 +1,40 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('weak-cryptography-cryptography');
+
+my $n_tests = 4;
+
+$td->runtest("256-bit: no warning",
+             {$td->COMMAND => 'qpdf --encrypt "" "" 256 -- minimal.pdf a.pdf'},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("128-bit with AES: no warning",
+             {$td->COMMAND => 'qpdf --encrypt "" "" 128 --use-aes=y --' .
+                  ' minimal.pdf a.pdf'},
+             {$td->STRING => "", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("128-bit without AES: error",
+             {$td->COMMAND => 'qpdf --encrypt "" "" 128 -- minimal.pdf a.pdf'},
+             {$td->REGEXP => "Pass --allow-weak-crypto to enable",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("40-bit: error",
+             {$td->COMMAND => 'qpdf --encrypt "" "" 40 -- minimal.pdf a.pdf'},
+             {$td->REGEXP => "Pass --allow-weak-crypto to enable",
+                  $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/windows-shell-globbing.test Added

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/writer-version.test Added

@@ -0,0 +1,58 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('writer-version');
+
+my $n_tests = 7;
+
+# Min/Force version
+$td->runtest("set min version",
+             {$td->COMMAND => "qpdf --verbose --min-version=1.6 good1.pdf a.pdf"},
+             {$td->STRING => "qpdf: wrote file a.pdf\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check version",
+             {$td->COMMAND => "qpdf --check a.pdf"},
+             {$td->FILE => "min-version.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("force version",
+             {$td->COMMAND => "qpdf --force-version=1.4 a.pdf b.pdf"},
+             {$td->STRING => "",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("check version",
+             {$td->COMMAND => "qpdf --check b.pdf"},
+             {$td->FILE => "forced-version.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+unlink "a.pdf", "b.pdf" or die;
+$td->runtest("C API: min/force versions",
+             {$td->COMMAND => "qpdf-ctest 14 object-stream.pdf '' a.pdf b.pdf"},
+             {$td->STRING => "C test 14 done\n",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C check version 1",
+             {$td->COMMAND => "qpdf-ctest 1 a.pdf '' ''"},
+             {$td->FILE => "c-min-version.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("C check version 2",
+             {$td->COMMAND => "qpdf --check b.pdf"},
+             {$td->FILE => "forced-version.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/xref-errors.test Added

@@ -0,0 +1,66 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('xref-errors');
+
+my $n_tests = 6;
+
+# Handle file with invalid xref table and object 0 as a regular object
+# (bug 3159950).
+$td->runtest("check obj0.pdf",
+             {$td->COMMAND => "qpdf --check obj0.pdf"},
+             {$td->FILE => "obj0-check.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+# Demonstrate show-xref after check and not after check to illustrate
+# that it can dump the real xref or the recovered xref.
+$td->runtest("dump bad xref",
+             {$td->COMMAND => "qpdf --show-xref bad-xref-entry.pdf"},
+             {$td->FILE => "bad-xref-entry.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+# Test @file here too.
+open(F, ">args") or die;
+print F "--check\n";
+print F "--show-xref\n";
+close(F);
+$td->runtest("dump corrected bad xref",
+             {$td->COMMAND => "qpdf \@args bad-xref-entry.pdf"},
+             {$td->FILE => "bad-xref-entry-corrected.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+unlink "args";
+
+$td->runtest("combine show and --pages",
+             {$td->COMMAND =>
+                  "qpdf --empty --pages minimal.pdf -- --show-pages"},
+             {$td->FILE => "show-pages-pages.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show number of pages",
+             {$td->COMMAND =>
+                  "qpdf --show-npages 20-pages.pdf --password=user"},
+             {$td->STRING => "20\n", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+# Issue 482 -- don't range check fields2 for xref entry type 0.
+$td->runtest("out of range in deleted object",
+             {$td->COMMAND => "qpdf --check xref-range.pdf"},
+             {$td->FILE => "xref-range.out", $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/qtest/xref-streams.test Added

@@ -0,0 +1,37 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+
+unshift(@INC, '.');
+require qpdf_test_helpers;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('xref-streams');
+
+my $n_tests = 3;
+
+# Handle xref stream with more entries than reported (bug 2872265)
+$td->runtest("xref with short size",
+             {$td->COMMAND => "qpdf --show-xref xref-with-short-size.pdf"},
+             {$td->FILE => "xref-with-short-size.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("recover xref with short size",
+             {$td->COMMAND => "qpdf xref-with-short-size.pdf a.pdf"},
+             {$td->FILE => "xref-with-short-size-recover.out",
+              $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+$td->runtest("show new xref stream",
+             {$td->COMMAND => "qpdf --show-xref a.pdf"},
+             {$td->FILE => "xref-with-short-size-new.out",
+              $td->EXIT_STATUS => 0},
+             $td->NORMALIZE_NEWLINES);
+
+cleanup();
+$td->report($n_tests);

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/sizes.cc Added

@@ -0,0 +1,133 @@
+// See "ABI checks" in README-maintainer and comments in check_abi.
+
+#include <iostream>
+
+#include <qpdf/Buffer.hh>
+#include <qpdf/BufferInputSource.hh>
+#include <qpdf/ClosedFileInputSource.hh>
+#include <qpdf/FileInputSource.hh>
+#include <qpdf/InputSource.hh>
+#include <qpdf/JSON.hh>
+#include <qpdf/PDFVersion.hh>
+#include <qpdf/Pipeline.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_Concatenate.hh>
+#include <qpdf/Pl_Count.hh>
+#include <qpdf/Pl_DCT.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_Function.hh>
+#include <qpdf/Pl_OStream.hh>
+#include <qpdf/Pl_QPDFTokenizer.hh>
+#include <qpdf/Pl_RunLength.hh>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/Pl_String.hh>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFAcroFormDocumentHelper.hh>
+#include <qpdf/QPDFAnnotationObjectHelper.hh>
+#include <qpdf/QPDFCryptoProvider.hh>
+#include <qpdf/QPDFEFStreamObjectHelper.hh>
+#include <qpdf/QPDFEmbeddedFileDocumentHelper.hh>
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QPDFFileSpecObjectHelper.hh>
+#include <qpdf/QPDFFormFieldObjectHelper.hh>
+#include <qpdf/QPDFJob.hh>
+#include <qpdf/QPDFLogger.hh>
+#include <qpdf/QPDFMatrix.hh>
+#include <qpdf/QPDFNameTreeObjectHelper.hh>
+#include <qpdf/QPDFNumberTreeObjectHelper.hh>
+#include <qpdf/QPDFObjGen.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDFOutlineDocumentHelper.hh>
+#include <qpdf/QPDFOutlineObjectHelper.hh>
+#include <qpdf/QPDFPageDocumentHelper.hh>
+#include <qpdf/QPDFPageLabelDocumentHelper.hh>
+#include <qpdf/QPDFPageObjectHelper.hh>
+#include <qpdf/QPDFStreamFilter.hh>
+#include <qpdf/QPDFSystemError.hh>
+#include <qpdf/QPDFTokenizer.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QPDFXRefEntry.hh>
+
+#define ignore_class(cls)
+#define print_size(cls) std::cout << #cls << " " << sizeof(cls) << std::endl
+
+// These are not classes
+// -------
+ignore_class(QUtil);
+ignore_class(QTC);
+
+int
+main()
+{
+    // Print the size of every class in the public API. This file is
+    // read by the check_abi script at the top of the repository as
+    // part of the binary compatibility checks performed before each
+    // release.
+    print_size(Buffer);
+    print_size(BufferInputSource);
+    print_size(ClosedFileInputSource);
+    print_size(FileInputSource);
+    print_size(InputSource);
+    print_size(JSON);
+    print_size(PDFVersion);
+    print_size(Pipeline);
+    print_size(Pl_Buffer);
+    print_size(Pl_Concatenate);
+    print_size(Pl_Count);
+    print_size(Pl_DCT);
+    print_size(Pl_Discard);
+    print_size(Pl_Flate);
+    print_size(Pl_Function);
+    print_size(Pl_OStream);
+    print_size(Pl_QPDFTokenizer);
+    print_size(Pl_RunLength);
+    print_size(Pl_StdioFile);
+    print_size(Pl_String);
+    print_size(QPDF);
+    print_size(QPDFAcroFormDocumentHelper);
+    print_size(QPDFAnnotationObjectHelper);
+    print_size(QPDFCryptoProvider);
+    print_size(QPDFEFStreamObjectHelper);
+    print_size(QPDFEmbeddedFileDocumentHelper);
+    print_size(QPDFExc);
+    print_size(QPDFFileSpecObjectHelper);
+    print_size(QPDFFormFieldObjectHelper);
+    print_size(QPDFJob);
+    print_size(QPDFJob::AttConfig);
+    print_size(QPDFJob::Config);
+    print_size(QPDFJob::CopyAttConfig);
+    print_size(QPDFJob::EncConfig);
+    print_size(QPDFJob::PagesConfig);
+    print_size(QPDFJob::UOConfig);
+    print_size(QPDFLogger);
+    print_size(QPDFMatrix);
+    print_size(QPDFNameTreeObjectHelper);
+    print_size(QPDFNameTreeObjectHelper::iterator);
+    print_size(QPDFNumberTreeObjectHelper);
+    print_size(QPDFNumberTreeObjectHelper::iterator);
+    print_size(QPDFObjGen);
+    print_size(QPDFObjectHandle);
+    print_size(QPDFObjectHandle::ParserCallbacks);
+    print_size(QPDFObjectHandle::QPDFArrayItems);
+    print_size(QPDFObjectHandle::QPDFArrayItems::iterator);
+    print_size(QPDFObjectHandle::QPDFDictItems);
+    print_size(QPDFObjectHandle::QPDFDictItems::iterator);
+    print_size(QPDFObjectHandle::StreamDataProvider);
+    print_size(QPDFObjectHandle::TokenFilter);
+    print_size(QPDFOutlineDocumentHelper);
+    print_size(QPDFOutlineObjectHelper);
+    print_size(QPDFPageDocumentHelper);
+    print_size(QPDFPageLabelDocumentHelper);
+    print_size(QPDFPageObjectHelper);
+    print_size(QPDFStreamFilter);
+    print_size(QPDFSystemError);
+    print_size(QPDFTokenizer);
+    print_size(QPDFTokenizer::Token);
+    print_size(QPDFUsage);
+    print_size(QPDFWriter);
+    print_size(QPDFWriter::FunctionProgressReporter);
+    print_size(QPDFXRefEntry);
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/test_driver.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_driver.cc Changed

@@ -1,100 +1,114 @@
+#include <qpdf/assert_test.h>
+
 // This program tests miscellaneous functionality in the qpdf library
 // that we don't want to pollute the qpdf program with.
 
 #include <qpdf/QPDF.hh>
 
-#include <qpdf/QPDFPageDocumentHelper.hh>
-#include <qpdf/QPDFPageObjectHelper.hh>
+#include <qpdf/BufferInputSource.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/Pl_String.hh>
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDFAcroFormDocumentHelper.hh>
-#include <qpdf/QPDFNumberTreeObjectHelper.hh>
+#include <qpdf/QPDFEmbeddedFileDocumentHelper.hh>
+#include <qpdf/QPDFJob.hh>
 #include <qpdf/QPDFNameTreeObjectHelper.hh>
-#include <qpdf/QPDFPageLabelDocumentHelper.hh>
+#include <qpdf/QPDFNumberTreeObjectHelper.hh>
 #include <qpdf/QPDFOutlineDocumentHelper.hh>
-#include <qpdf/QUtil.hh>
-#include <qpdf/QTC.hh>
-#include <qpdf/Pl_StdioFile.hh>
-#include <qpdf/Pl_Buffer.hh>
-#include <qpdf/Pl_Flate.hh>
-#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QPDFPageDocumentHelper.hh>
+#include <qpdf/QPDFPageLabelDocumentHelper.hh>
+#include <qpdf/QPDFPageObjectHelper.hh>
 #include <qpdf/QPDFSystemError.hh>
+#include <qpdf/QPDFUsage.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <algorithm>
 #include <iostream>
+#include <limits.h>
+#include <map>
 #include <sstream>
-#include <algorithm>
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
-#include <assert.h>
-#include <map>
+#include <string.h>
+
+#define QPDF_OBJECT_NOWARN
+#include <qpdf/QPDFObject.hh>
 
 static char const* whoami = 0;
 
-void usage()
+void
+usage()
 {
-    std::cerr << "Usage: " << whoami << " n filename1 arg2"
-              << std::endl;
+    std::cerr << "Usage: " << whoami << " n filename1 arg2" << std::endl;
     exit(2);
 }
 
 class Provider: public QPDFObjectHandle::StreamDataProvider
 {
   public:
-    Provider(PointerHolder<Buffer> b) :
-	b(b),
-	bad_length(false)
+    Provider(std::shared_ptr<Buffer> b) :
+        b(b),
+        bad_length(false)
     {
     }
-    virtual ~Provider()
+    virtual ~Provider() = default;
+    virtual void
+    provideStreamData(int objid, int generation, Pipeline* p)
     {
+        // Don't change signature to use QPDFObjGen const& to detect
+        // problems forwarding to legacy implementations.
+        p->write(b->getBuffer(), b->getSize());
+        if (this->bad_length) {
+            unsigned char ch = ' ';
+            p->write(&ch, 1);
+        }
+        p->finish();
     }
-    virtual void provideStreamData(int objid, int generation,
-				   Pipeline* p)
-    {
-	p->write(b->getBuffer(), b->getSize());
-	if (this->bad_length)
-	{
-	    unsigned char ch = ' ';
-	    p->write(&ch, 1);
-	}
-	p->finish();
-    }
-    void badLength(bool v)
+    void
+    badLength(bool v)
     {
-	this->bad_length = v;
+        this->bad_length = v;
     }
 
   private:
-    PointerHolder<Buffer> b;
+    std::shared_ptr<Buffer> b;
     bool bad_length;
 };
 
 class ParserCallbacks: public QPDFObjectHandle::ParserCallbacks
 {
   public:
-    virtual ~ParserCallbacks()
-    {
-    }
-
-    virtual void handleObject(QPDFObjectHandle);
+    virtual ~ParserCallbacks() = default;
+    virtual void contentSize(size_t size);
+    virtual void handleObject(QPDFObjectHandle, size_t, size_t);
     virtual void handleEOF();
 };
 
 void
-ParserCallbacks::handleObject(QPDFObjectHandle obj)
+ParserCallbacks::contentSize(size_t size)
 {
-    if (obj.isName() && (obj.getName() == "/Abort"))
-    {
+    std::cout << "content size: " << size << std::endl;
+}
+
+void
+ParserCallbacks::handleObject(
+    QPDFObjectHandle obj, size_t offset, size_t length)
+{
+    if (obj.isName() && (obj.getName() == "/Abort")) {
         std::cout << "test suite: terminating parsing" << std::endl;
         terminateParsing();
     }
-    std::cout << obj.getTypeName() << ": ";
-    if (obj.isInlineImage())
-    {
+    std::cout << obj.getTypeName() << ", offset=" << offset
+              << ", length=" << length << ": ";
+    if (obj.isInlineImage()) {
         // Exercise getTypeCode
-        assert(obj.getTypeCode() == QPDFObject::ot_inlineimage);
+        assert(obj.getTypeCode() == ::ot_inlineimage);
         std::cout << QUtil::hex_encode(obj.getInlineImageValue()) << std::endl;
-    }
-    else
-    {
+    } else {
         std::cout << obj.unparse() << std::endl;
     }
 }
@@ -108,2034 +122,3490 @@
 class TokenFilter: public QPDFObjectHandle::TokenFilter
 {
   public:
-    TokenFilter()
-    {
-    }
-    virtual ~TokenFilter()
-    {
-    }
-    virtual void handleToken(QPDFTokenizer::Token const& t)
+    TokenFilter() = default;
+    virtual ~TokenFilter() = default;
+    virtual void
+    handleToken(QPDFTokenizer::Token const& t)
     {
-        if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_string, "Potato"))
-        {
+        if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_string, "Potato")) {
             // Exercise unparsing of strings by token constructor
-            writeToken(
-                QPDFTokenizer::Token(QPDFTokenizer::tt_string, "Salad"));
-        }
-        else
-        {
+            writeToken(QPDFTokenizer::Token(QPDFTokenizer::tt_string, "Salad"));
+        } else {
             writeToken(t);
         }
     }
-    virtual void handleEOF()
+    virtual void
+    handleEOF()
     {
         writeToken(QPDFTokenizer::Token(QPDFTokenizer::tt_name, "/bye"));
         write("\n");
     }
 };
 
-static std::string getPageContents(QPDFObjectHandle page)
+static std::string
+getPageContents(QPDFObjectHandle page)
 {
-    PointerHolder<Buffer> b1 =
-        page.getKey("/Contents").getStreamData();
+    std::shared_ptr<Buffer> b1 = page.getKey("/Contents").getStreamData();
     return std::string(
-        reinterpret_cast<char *>(b1->getBuffer()), b1->getSize()) + "\0";
+               reinterpret_cast<char*>(b1->getBuffer()), b1->getSize()) +
+        "\0";
 }
 
-static void checkPageContents(QPDFObjectHandle page,
-                              std::string const& wanted_string)
+static void
+checkPageContents(QPDFObjectHandle page, std::string const& wanted_string)
 {
     std::string contents = getPageContents(page);
-    if (contents.find(wanted_string) == std::string::npos)
-    {
-        std::cout << "didn't find " << wanted_string << " in "
-                  << contents << std::endl;
+    if (contents.find(wanted_string) == std::string::npos) {
+        std::cout << "didn't find " << wanted_string << " in " << contents
+                  << std::endl;
     }
 }
 
-static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
+static QPDFObjectHandle
+createPageContents(QPDF& pdf, std::string const& text)
 {
     std::string contents = "BT /F1 15 Tf 72 720 Td (" + text + ") Tj ET\n";
     return QPDFObjectHandle::newStream(&pdf, contents);
 }
 
-static void print_rect(std::ostream& out,
-                       QPDFObjectHandle::Rectangle const& r)
+static void
+print_rect(std::ostream& out, QPDFObjectHandle::Rectangle const& r)
 {
-    out << "" << r.llx << ", " << r.lly << ", "
-        << r.urx << ", " << r.ury << "";
+    out << "" << r.llx << ", " << r.lly << ", " << r.urx << ", " << r.ury
+        << "";
 }
 
-static void read_file_into_memory(
-    char const* filename,
-    PointerHolder<char>& file_buf, size_t& size)
-{
-    FILE* f = QUtil::safe_fopen(filename, "rb");
-    fseek(f, 0, SEEK_END);
-    size = QUtil::tell(f);
-    fseek(f, 0, SEEK_SET);
-    file_buf = PointerHolder<char>(true, new charsize);
-    char* buf_p = file_buf.getPointer();
-    size_t bytes_read = 0;
-    size_t len = 0;
-    while ((len = fread(buf_p + bytes_read, 1, size - bytes_read, f)) > 0)
-    {
-        bytes_read += len;
+#define assert_compare_numbers(expected, expr) \
+ compare_numbers(#expr, expected, expr)
+
+template <typename T1, typename T2>
+static void
+compare_numbers(char const* description, T1 const& expected, T2 const& actual)
+{
+    if (expected != actual) {
+        std::cerr << description << ": expected = " << expected
+                  << "; actual = " << actual << std::endl;
     }
-    if (bytes_read != size)
-    {
-        if (ferror(f))
-        {
-            throw std::runtime_error(
-                std::string("failure reading file ") + filename +
-                " into memory: read " +
-                QUtil::int_to_string(bytes_read) + "; wanted " +
-                QUtil::int_to_string(size));
+}
+
+static void
+test_0_1(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    QPDFObjectHandle qtest = trailer.getKey("/QTest");
+
+    if (!trailer.hasKey("/QTest")) {
+        // This will always happen when /QTest is null because
+        // hasKey returns false for null keys regardless of
+        // whether the key exists or not.  That way there's never
+        // any difference between a key that is present and null
+        // and a key that is absent.
+        QTC::TC("qpdf", "main QTest implicit");
+        std::cout << "/QTest is implicit" << std::endl;
+    }
+
+    QTC::TC("qpdf", "main QTest indirect", qtest.isIndirect() ? 1 : 0);
+    std::cout << "/QTest is " << (qtest.isIndirect() ? "in" : "")
+              << "direct and has type " << qtest.getTypeName() << " ("
+              << qtest.getTypeCode() << ")" << std::endl;
+
+    if (qtest.isNull()) {
+        QTC::TC("qpdf", "main QTest null");
+        std::cout << "/QTest is null" << std::endl;
+    } else if (qtest.isBool()) {
+        QTC::TC("qpdf", "main QTest bool", qtest.getBoolValue() ? 1 : 0);
+        std::cout << "/QTest is Boolean with value "
+                  << (qtest.getBoolValue() ? "true" : "false") << std::endl;
+    } else if (qtest.isInteger()) {
+        QTC::TC("qpdf", "main QTest int");
+        std::cout << "/QTest is an integer with value " << qtest.getIntValue()
+                  << std::endl;
+    } else if (qtest.isReal()) {
+        QTC::TC("qpdf", "main QTest real");
+        std::cout << "/QTest is a real number with value "
+                  << qtest.getRealValue() << std::endl;
+    } else if (qtest.isName()) {
+        QTC::TC("qpdf", "main QTest name");
+        std::cout << "/QTest is a name with value " << qtest.getName()
+                  << std::endl;
+    } else if (qtest.isString()) {
+        QTC::TC("qpdf", "main QTest string");
+        std::cout << "/QTest is a string with value " << qtest.getStringValue()
+                  << std::endl;
+    } else if (qtest.isArray()) {
+        QTC::TC("qpdf", "main QTest array");
+        std::cout << "/QTest is an array with " << qtest.getArrayNItems()
+                  << " items" << std::endl;
+        int i = 0;
+        for (auto& iter: qtest.aitems()) {
+            QTC::TC(
+                "qpdf", "main QTest array indirect", iter.isIndirect() ? 1 : 0);
+            std::cout << "  item " << i << " is "
+                      << (iter.isIndirect() ? "in" : "") << "direct"
+                      << std::endl;
+            ++i;
         }
-        else
-        {
-            throw std::logic_error(
-                std::string("premature eof reading file ") + filename +
-                " into memory: read " +
-                QUtil::int_to_string(bytes_read) + "; wanted " +
-                QUtil::int_to_string(size));
+    } else if (qtest.isDictionary()) {
+        QTC::TC("qpdf", "main QTest dictionary");
+        std::cout << "/QTest is a dictionary" << std::endl;
+        for (auto& iter: qtest.ditems()) {
+            QTC::TC(
+                "qpdf",
+                "main QTest dictionary indirect",
+                iter.second.isIndirect() ? 1 : 0);
+            std::cout << "  " << iter.first << " is "
+                      << (iter.second.isIndirect() ? "in" : "") << "direct"
+                      << std::endl;
         }
+    } else if (qtest.isStream()) {
+        QTC::TC("qpdf", "main QTest stream");
+        std::cout << "/QTest is a stream.  Dictionary: "
+                  << qtest.getDict().unparse() << std::endl;
+
+        std::cout << "Raw stream data:" << std::endl;
+        std::cout.flush();
+        QUtil::binary_stdout();
+        auto out = std::make_shared<Pl_StdioFile>("raw", stdout);
+        qtest.pipeStreamData(out.get(), 0, qpdf_dl_none);
+
+        std::cout << std::endl << "Uncompressed stream data:" << std::endl;
+        if (qtest.pipeStreamData(0, 0, qpdf_dl_all)) {
+            std::cout.flush();
+            QUtil::binary_stdout();
+            out = std::make_shared<Pl_StdioFile>("filtered", stdout);
+            qtest.pipeStreamData(out.get(), 0, qpdf_dl_all);
+            std::cout << std::endl << "End of stream data" << std::endl;
+        } else {
+            std::cout << "Stream data is not filterable." << std::endl;
+        }
+    } else {
+        // Should not happen!
+        std::cout << "/QTest is an unknown object" << std::endl;
     }
-    fclose(f);
+
+    std::cout << "unparse: " << qtest.unparse() << std::endl
+              << "unparseResolved: " << qtest.unparseResolved() << std::endl;
 }
 
-void runtest(int n, char const* filename1, char const* arg2)
+static void
+test_2(QPDF& pdf, char const* arg2)
 {
-    // Most tests here are crafted to work on specific files.  Look at
-    // the test suite to see how the test is invoked to find the file
-    // that the test is supposed to operate on.
+    // Encrypted file.  This test case is designed for a specific
+    // PDF file.
 
-    if (n == 0)
-    {
-        // Throw in some random test cases that don't fit anywhere
-        // else.  This is in addition to whatever else is going on in
-        // test 0.
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    std::cout
+        << trailer.getKey("/Info").getKey("/CreationDate").getStringValue()
+        << std::endl;
+    std::cout << trailer.getKey("/Info").getKey("/Producer").getStringValue()
+              << std::endl;
 
-        // The code to trim user passwords looks for 0x28 (which is
-        // "(") since it marks the beginning of the padding.  Exercise
-        // the code to make sure it skips over 0x28 characters that
-        // aren't part of padding.
-        std::string password(
-            "1234567890123456789012(45678\x28\xbf\x4e\x5e");
-        assert(password.length() == 32);
-        QPDF::trim_user_password(password);
-        assert(password == "1234567890123456789012(45678");
+    QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
+    std::cout << encrypt.getKey("/O").unparse() << std::endl;
+    std::cout << encrypt.getKey("/U").unparse() << std::endl;
+
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle pages = root.getKey("/Pages");
+    QPDFObjectHandle kids = pages.getKey("/Kids");
+    QPDFObjectHandle page = kids.getArrayItem(1); // second page
+    QPDFObjectHandle contents = page.getKey("/Contents");
+    QUtil::binary_stdout();
+    auto out = std::make_shared<Pl_StdioFile>("filtered", stdout);
+    contents.pipeStreamData(out.get(), 0, qpdf_dl_generalized);
+}
 
-        QPDFObjectHandle uninitialized;
-        assert(uninitialized.getTypeCode() == QPDFObject::ot_uninitialized);
-        assert(strcmp(uninitialized.getTypeName(), "uninitialized") == 0);
+static void
+test_3(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle streams = pdf.getTrailer().getKey("/QStreams");
+    for (int i = 0; i < streams.getArrayNItems(); ++i) {
+        QPDFObjectHandle stream = streams.getArrayItem(i);
+        std::cout << "-- stream " << i << " --" << std::endl;
+        std::cout.flush();
+        QUtil::binary_stdout();
+        auto out = std::make_shared<Pl_StdioFile>("tokenized stream", stdout);
+        stream.pipeStreamData(
+            out.get(), qpdf_ef_normalize, qpdf_dl_generalized);
     }
+}
 
-    QPDF pdf;
-    PointerHolder<char> file_buf;
-    FILE* filep = 0;
-    if (n == 0)
-    {
-	pdf.setAttemptRecovery(false);
-    }
-    if (((n == 35) || (n == 36)) && (arg2 != 0))
-    {
-        // arg2 is password
-	pdf.processFile(filename1, arg2);
-    }
-    else if (n == 45)
-    {
-        // Decode obfuscated files. To obfuscated, run the input file
-        // through this perl script, and save the result to
-        // filename.obfuscated. This pretends that the input was
-        // called filename.pdf and that that file contained the
-        // deobfuscated version.
+static void
+test_4(QPDF& pdf, char const* arg2)
+{
+    // Mutability testing: Make /QTest direct recursively, then
+    // copy to /Info.  Also make some other mutations so we can
+    // tell the difference and ensure that the original /QTest
+    // isn't effected.
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    QPDFObjectHandle qtest = trailer.getKey("/QTest");
+    qtest.makeDirect();
+    qtest.removeKey("/Subject");
+    qtest.replaceKey("/Author", QPDFObjectHandle::newString("Mr. Potato Head"));
+    // qtest.A and qtest.B.A were originally the same object.
+    // They no longer are after makeDirect().  Mutate one of them
+    // and ensure the other is not changed.  These test cases are
+    // crafted around a specific set of input files.
+    QPDFObjectHandle A = qtest.getKey("/A");
+    if (A.getArrayItem(0).getIntValue() == 1) {
+        // Test mutators
+        A.setArrayItem(1, QPDFObjectHandle::newInteger(5)); // 1 5 3
+        A.insertItem(2, QPDFObjectHandle::newInteger(10));  // 1 5 10 3
+        A.appendItem(QPDFObjectHandle::newInteger(12));     // 1 5 10 3 12
+        A.eraseItem(3);                                     // 1 5 10 12
+        A.insertItem(4, QPDFObjectHandle::newInteger(6));   // 1 5 10 12 6
+        A.insertItem(0, QPDFObjectHandle::newInteger(9));   // 9 1 5 10 12 6
+    } else {
+        std::vector<QPDFObjectHandle> items;
+        items.push_back(QPDFObjectHandle::newInteger(14));
+        items.push_back(QPDFObjectHandle::newInteger(15));
+        items.push_back(QPDFObjectHandle::newInteger(9));
+        A.setArrayFromVector(items);
+    }
+
+    QPDFObjectHandle qtest2 = trailer.getKey("/QTest2");
+    if (!qtest2.isNull()) {
+        // Test allow_streams=true
+        qtest2.makeDirect(true);
+        trailer.replaceKey("/QTest2", qtest2);
+    }
+
+    trailer.replaceKey("/Info", pdf.makeIndirectObject(qtest));
+    QPDFWriter w(pdf, 0);
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.write();
 
-        // undef $/;
-        // my @str = split('', <STDIN>);
-        // for (my $i = 0; $i < scalar(@str); ++$i)
-        // {
-        //     $str$i = chr(ord($str$i) ^ 0xcc);
-        // }
-        // print(join('', @str));
+    // Prevent "done" message from getting appended
+    exit(0);
+}
 
-        std::string filename(std::string(filename1) + ".obfuscated");
-        size_t size = 0;
-        read_file_into_memory(filename.c_str(), file_buf, size);
-        char* p = file_buf.getPointer();
-        for (size_t i = 0; i < size; ++i)
-        {
-            pi ^= 0xcc;
+static void
+test_5(QPDF& pdf, char const* arg2)
+{
+    int pageno = 0;
+    for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        ++pageno;
+        std::cout << "page " << pageno << ":" << std::endl;
+        std::cout << "  images:" << std::endl;
+        for (auto const& iter2: page.getImages()) {
+            std::string const& name = iter2.first;
+            QPDFObjectHandle image = iter2.second;
+            QPDFObjectHandle dict = image.getDict();
+            long long width = dict.getKey("/Width").getIntValue();
+            long long height = dict.getKey("/Height").getIntValue();
+            std::cout << "    " << name << ": " << width << " x " << height
+                      << std::endl;
         }
-	pdf.processMemoryFile((std::string(filename1) + ".pdf").c_str(),
-                              p, size);
-    }
-    else if (n == 61)
-    {
-        // Ignore filename argument entirely
-    }
-    else if (n % 2 == 0)
-    {
-        if (n % 4 == 0)
-        {
-	    QTC::TC("qpdf", "exercise processFile(name)");
-            pdf.processFile(filename1);
+
+        std::cout << "  content:" << std::endl;
+        std::vector<QPDFObjectHandle> content = page.getPageContents();
+        for (auto& iter2: content) {
+            std::cout << "    " << iter2.unparse() << std::endl;
+        }
+
+        std::cout << "end page " << pageno << std::endl;
+    }
+
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle qstrings = root.getKey("/QStrings");
+    if (qstrings.isArray()) {
+        std::cout << "QStrings:" << std::endl;
+        int nitems = qstrings.getArrayNItems();
+        for (int i = 0; i < nitems; ++i) {
+            std::cout << qstrings.getArrayItem(i).getUTF8Value() << std::endl;
         }
-        else
-        {
-	    QTC::TC("qpdf", "exercise processFile(FILE*)");
-            filep = QUtil::safe_fopen(filename1, "rb");
-            pdf.processFile(filename1, filep, false);
+    }
+
+    QPDFObjectHandle qnumbers = root.getKey("/QNumbers");
+    if (qnumbers.isArray()) {
+        std::cout << "QNumbers:" << std::endl;
+        int nitems = qnumbers.getArrayNItems();
+        for (int i = 0; i < nitems; ++i) {
+            std::cout << QUtil::double_to_string(
+                             qnumbers.getArrayItem(i).getNumericValue(),
+                             3,
+                             false)
+                      << std::endl;
         }
     }
-    else
-    {
-        QTC::TC("qpdf", "exercise processMemoryFile");
-        size_t size = 0;
-        read_file_into_memory(filename1, file_buf, size);
-	pdf.processMemoryFile(filename1, file_buf.getPointer(), size);
+}
+
+static void
+test_6(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle metadata = root.getKey("/Metadata");
+    if (!metadata.isStream()) {
+        throw std::logic_error("test 6 run on file with no metadata");
+    }
+    std::string buf;
+    Pl_String bufpl("buffer", nullptr, buf);
+    metadata.pipeStreamData(&bufpl, 0, qpdf_dl_none);
+    bool cleartext = false;
+    if (buf.substr(0, 9) == "<?xpacket") {
+        cleartext = true;
     }
+    std::cout << "encrypted=" << (pdf.isEncrypted() ? 1 : 0)
+              << "; cleartext=" << (cleartext ? 1 : 0) << std::endl;
+}
 
-    if ((n == 0) || (n == 1))
-    {
-	QPDFObjectHandle trailer = pdf.getTrailer();
-	QPDFObjectHandle qtest = trailer.getKey("/QTest");
+static void
+test_7(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle qstream = root.getKey("/QStream");
+    if (!qstream.isStream()) {
+        throw std::logic_error("test 7 run on file with no QStream");
+    }
+    qstream.replaceStreamData(
+        "new data for stream\n",
+        QPDFObjectHandle::newNull(),
+        QPDFObjectHandle::newNull());
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
 
-	if (! trailer.hasKey("/QTest"))
-	{
-	    // This will always happen when /QTest is null because
-	    // hasKey returns false for null keys regardless of
-	    // whether the key exists or not.  That way there's never
-	    // any difference between a key that is present and null
-	    // and a key that is absent.
-	    QTC::TC("qpdf", "main QTest implicit");
-	    std::cout << "/QTest is implicit" << std::endl;
-	}
-
-	QTC::TC("qpdf", "main QTest indirect",
-		qtest.isIndirect() ? 1 : 0);
-	std::cout << "/QTest is "
-		  << (qtest.isIndirect() ? "in" : "")
-		  << "direct and has type "
-                  << qtest.getTypeName()
-                  << " (" << qtest.getTypeCode() << ")" << std::endl;
-
-	if (qtest.isNull())
-	{
-	    QTC::TC("qpdf", "main QTest null");
-	    std::cout << "/QTest is null" << std::endl;
-	}
-	else if (qtest.isBool())
-	{
-	    QTC::TC("qpdf", "main QTest bool",
-		    qtest.getBoolValue() ? 1 : 0);
-	    std::cout << "/QTest is Boolean with value "
-		      << (qtest.getBoolValue() ? "true" : "false")
-		      << std::endl;
-	}
-	else if (qtest.isInteger())
-	{
-	    QTC::TC("qpdf", "main QTest int");
-	    std::cout << "/QTest is an integer with value "
-		      << qtest.getIntValue() << std::endl;
-	}
-	else if (qtest.isReal())
-	{
-	    QTC::TC("qpdf", "main QTest real");
-	    std::cout << "/QTest is a real number with value "
-		      << qtest.getRealValue() << std::endl;
-	}
-	else if (qtest.isName())
-	{
-	    QTC::TC("qpdf", "main QTest name");
-	    std::cout << "/QTest is a name with value "
-		      << qtest.getName() << std::endl;
-	}
-	else if (qtest.isString())
-	{
-	    QTC::TC("qpdf", "main QTest string");
-	    std::cout << "/QTest is a string with value "
-		      << qtest.getStringValue() << std::endl;
-	}
-	else if (qtest.isArray())
-	{
-	    QTC::TC("qpdf", "main QTest array");
-	    int n = qtest.getArrayNItems();
-	    std::cout << "/QTest is an array with "
-		      << n << " items" << std::endl;
-	    for (int i = 0; i < n; ++i)
-	    {
-		QTC::TC("qpdf", "main QTest array indirect",
-			qtest.getArrayItem(i).isIndirect() ? 1 : 0);
-		std::cout << "  item " << i << " is "
-			  << (qtest.getArrayItem(i).isIndirect() ? "in" : "")
-			  << "direct" << std::endl;
-	    }
-	}
-	else if (qtest.isDictionary())
-	{
-	    QTC::TC("qpdf", "main QTest dictionary");
-	    std::cout << "/QTest is a dictionary" << std::endl;
-	    std::set<std::string> keys = qtest.getKeys();
-	    for (std::set<std::string>::iterator iter = keys.begin();
-		 iter != keys.end(); ++iter)
-	    {
-		QTC::TC("qpdf", "main QTest dictionary indirect",
-			(qtest.getKey(*iter).isIndirect() ? 1 : 0));
-		std::cout << "  " << *iter << " is "
-			  << (qtest.getKey(*iter).isIndirect() ? "in" : "")
-			  << "direct" << std::endl;
-	    }
-	}
-	else if (qtest.isStream())
-	{
-	    QTC::TC("qpdf", "main QTest stream");
-	    std::cout << "/QTest is a stream.  Dictionary: "
-		      << qtest.getDict().unparse() << std::endl;
-
-	    std::cout << "Raw stream data:" << std::endl;
-	    std::cout.flush();
-	    QUtil::binary_stdout();
-	    PointerHolder<Pl_StdioFile> out = new Pl_StdioFile("raw", stdout);
-	    qtest.pipeStreamData(out.getPointer(), 0, qpdf_dl_none);
-
-	    std::cout << std::endl << "Uncompressed stream data:" << std::endl;
-	    if (qtest.pipeStreamData(0, 0, qpdf_dl_all))
-	    {
-		std::cout.flush();
-		QUtil::binary_stdout();
-		out = new Pl_StdioFile("filtered", stdout);
-		qtest.pipeStreamData(out.getPointer(), 0, qpdf_dl_all);
-		std::cout << std::endl << "End of stream data" << std::endl;
-	    }
-	    else
-	    {
-		std::cout << "Stream data is not filterable." << std::endl;
-	    }
-	}
-	else
-	{
-	    // Should not happen!
-	    std::cout << "/QTest is an unknown object" << std::endl;
-	}
-
-	std::cout << "unparse: " << qtest.unparse() << std::endl
-		  << "unparseResolved: " << qtest.unparseResolved()
-		  << std::endl;
+static void
+test_8(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle qstream = root.getKey("/QStream");
+    if (!qstream.isStream()) {
+        throw std::logic_error("test 7 run on file with no QStream");
+    }
+    Pl_Buffer p1("buffer");
+    Pl_Flate p2("compress", &p1, Pl_Flate::a_deflate);
+    p2 << "new data for stream\n";
+    p2.finish();
+    auto b = p1.getBufferSharedPointer();
+    // This is a bogus way to use StreamDataProvider, but it does
+    // adequately test its functionality.
+    Provider* provider = new Provider(b);
+    auto p = std::shared_ptr<QPDFObjectHandle::StreamDataProvider>(provider);
+    qstream.replaceStreamData(
+        p,
+        QPDFObjectHandle::newName("/FlateDecode"),
+        QPDFObjectHandle::newNull());
+    provider->badLength(false);
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    // Linearize to force the provider to be called multiple times.
+    w.setLinearization(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+
+    // Every time a provider pipes stream data, it has to provide
+    // the same amount of data.
+    provider->badLength(true);
+    try {
+        qstream.getStreamData();
+        std::cout << "oops -- getStreamData didn't throw" << std::endl;
+    } catch (std::exception const& e) {
+        std::cout << "exception: " << e.what() << std::endl;
     }
-    else if (n == 2)
-    {
-	// Encrypted file.  This test case is designed for a specific
-	// PDF file.
+}
 
-	QPDFObjectHandle trailer = pdf.getTrailer();
-	std::cout << trailer.getKey("/Info").
-	    getKey("/CreationDate").getStringValue() << std::endl;
-	std::cout << trailer.getKey("/Info").
-	    getKey("/Producer").getStringValue() << std::endl;
-
-	QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
-	std::cout << encrypt.getKey("/O").unparse() << std::endl;
-	std::cout << encrypt.getKey("/U").unparse() << std::endl;
-
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle pages = root.getKey("/Pages");
-	QPDFObjectHandle kids = pages.getKey("/Kids");
-	QPDFObjectHandle page = kids.getArrayItem(1); // second page
-	QPDFObjectHandle contents = page.getKey("/Contents");
-	QUtil::binary_stdout();
-	PointerHolder<Pl_StdioFile> out = new Pl_StdioFile("filtered", stdout);
-	contents.pipeStreamData(out.getPointer(), 0, qpdf_dl_generalized);
-    }
-    else if (n == 3)
-    {
-	QPDFObjectHandle streams = pdf.getTrailer().getKey("/QStreams");
-	for (int i = 0; i < streams.getArrayNItems(); ++i)
-	{
-	    QPDFObjectHandle stream = streams.getArrayItem(i);
-	    std::cout << "-- stream " << i << " --" << std::endl;
-	    std::cout.flush();
-	    QUtil::binary_stdout();
-	    PointerHolder<Pl_StdioFile> out =
-		new Pl_StdioFile("tokenized stream", stdout);
-	    stream.pipeStreamData(out.getPointer(),
-                                  qpdf_ef_normalize, qpdf_dl_generalized);
-	}
-    }
-    else if (n == 4)
-    {
-	// Mutability testing: Make /QTest direct recursively, then
-	// copy to /Info.  Also make some other mutations so we can
-	// tell the difference and ensure that the original /QTest
-	// isn't effected.
-	QPDFObjectHandle trailer = pdf.getTrailer();
-	QPDFObjectHandle qtest = trailer.getKey("/QTest");
-	qtest.makeDirect();
-	qtest.removeKey("/Subject");
-	qtest.replaceKey("/Author",
-			 QPDFObjectHandle::newString("Mr. Potato Head"));
-	// qtest.A and qtest.B.A were originally the same object.
-	// They no longer are after makeDirect().  Mutate one of them
-	// and ensure the other is not changed.  These test cases are
-	// crafted around a specific set of input files.
-        QPDFObjectHandle A = qtest.getKey("/A");
-        if (A.getArrayItem(0).getIntValue() == 1)
-        {
-            // Test mutators
-            A.setArrayItem(1, QPDFObjectHandle::newInteger(5)); // 1 5 3
-            A.insertItem(2, QPDFObjectHandle::newInteger(10)); // 1 5 10 3
-            A.appendItem(QPDFObjectHandle::newInteger(12)); // 1 5 10 3 12
-            A.eraseItem(3); // 1 5 10 12
-            A.insertItem(4, QPDFObjectHandle::newInteger(6)); // 1 5 10 12 6
-            A.insertItem(0, QPDFObjectHandle::newInteger(9)); // 9 1 5 10 12 6
-        }
-        else
-        {
-            std::vector<QPDFObjectHandle> items;
-            items.push_back(QPDFObjectHandle::newInteger(14));
-            items.push_back(QPDFObjectHandle::newInteger(15));
-            items.push_back(QPDFObjectHandle::newInteger(9));
-            A.setArrayFromVector(items);
-        }
-
-	trailer.replaceKey("/Info", pdf.makeIndirectObject(qtest));
-	QPDFWriter w(pdf, 0);
-	w.setQDFMode(true);
-	w.setStaticID(true);
-	w.write();
+static void
+test_9(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle root = pdf.getRoot();
+    // Explicitly exercise the Buffer version of newStream
+    auto buf = std::make_shared<Buffer>(20U);
+    unsigned char* bp = buf->getBuffer();
+    memcpy(bp, "data for new stream\n", 20); // no null!
+    QPDFObjectHandle qstream = QPDFObjectHandle::newStream(&pdf, buf);
+    QPDFObjectHandle rstream = QPDFObjectHandle::newStream(&pdf);
+    try {
+        rstream.getStreamData();
+        std::cout << "oops -- getStreamData didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "exception: " << e.what() << std::endl;
+    }
+    rstream.replaceStreamData(
+        "data for other stream\n",
+        QPDFObjectHandle::newNull(),
+        QPDFObjectHandle::newNull());
+    root.replaceKey("/QStream", qstream);
+    root.replaceKey("/RStream", rstream);
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
 
-	// Prevent "done" message from getting appended
-	exit(0);
-    }
-    else if (n == 5)
-    {
-        QPDFPageDocumentHelper dh(pdf);
-	std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-	int pageno = 0;
-	for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-	     iter != pages.end(); ++iter)
-	{
-	    QPDFPageObjectHelper& page(*iter);
-	    ++pageno;
-
-	    std::cout << "page " << pageno << ":" << std::endl;
-
-	    std::cout << "  images:" << std::endl;
-	    std::map<std::string, QPDFObjectHandle> images =
-		page.getPageImages();
-	    for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-		     images.begin(); iter != images.end(); ++iter)
-	    {
-		std::string const& name = (*iter).first;
-		QPDFObjectHandle image = (*iter).second;
-		QPDFObjectHandle dict = image.getDict();
-		int width = dict.getKey("/Width").getIntValue();
-		int height = dict.getKey("/Height").getIntValue();
-		std::cout << "    " << name
-			  << ": " << width << " x " << height
-			  << std::endl;
-	    }
-
-	    std::cout << "  content:" << std::endl;
-	    std::vector<QPDFObjectHandle> content = page.getPageContents();
-	    for (std::vector<QPDFObjectHandle>::iterator iter = content.begin();
-		 iter != content.end(); ++iter)
-	    {
-		std::cout << "    " << (*iter).unparse() << std::endl;
-	    }
-
-	    std::cout << "end page " << pageno << std::endl;
-	}
-
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle qstrings = root.getKey("/QStrings");
-	if (qstrings.isArray())
-	{
-	    std::cout << "QStrings:" << std::endl;
-	    int n = qstrings.getArrayNItems();
-	    for (int i = 0; i < n; ++i)
-	    {
-		std::cout << qstrings.getArrayItem(i).getUTF8Value()
-			  << std::endl;
-	    }
-	}
-
-	QPDFObjectHandle qnumbers = root.getKey("/QNumbers");
-	if (qnumbers.isArray())
-	{
-	    std::cout << "QNumbers:" << std::endl;
-	    int n = qnumbers.getArrayNItems();
-	    for (int i = 0; i < n; ++i)
-	    {
-		std::cout << QUtil::double_to_string(
-		    qnumbers.getArrayItem(i).getNumericValue(), 3)
-			  << std::endl;
-	    }
-	}
-    }
-    else if (n == 6)
-    {
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle metadata = root.getKey("/Metadata");
-	if (! metadata.isStream())
-	{
-	    throw std::logic_error("test 6 run on file with no metadata");
-	}
-	Pl_Buffer bufpl("buffer");
-	metadata.pipeStreamData(&bufpl, 0, qpdf_dl_none);
-	Buffer* buf = bufpl.getBuffer();
-	unsigned char const* data = buf->getBuffer();
-	bool cleartext = false;
-	if ((buf->getSize() > 9) &&
-	    (strncmp(reinterpret_cast<char const*>(data),
-                     "<?xpacket", 9) == 0))
-	{
-	    cleartext = true;
-	}
-	delete buf;
-	std::cout << "encrypted="
-		  << (pdf.isEncrypted() ? 1 : 0)
-		  << "; cleartext="
-		  << (cleartext ? 1 : 0)
-		  << std::endl;
-    }
-    else if (n == 7)
-    {
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle qstream = root.getKey("/QStream");
-	if (! qstream.isStream())
-	{
-	    throw std::logic_error("test 7 run on file with no QStream");
-	}
-	qstream.replaceStreamData(
-	    "new data for stream\n",
-            QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 8)
-    {
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle qstream = root.getKey("/QStream");
-	if (! qstream.isStream())
-	{
-	    throw std::logic_error("test 7 run on file with no QStream");
-	}
-	Pl_Buffer p1("buffer");
-	Pl_Flate p2("compress", &p1, Pl_Flate::a_deflate);
-	p2.write(QUtil::unsigned_char_pointer("new data for stream\n"),
-                 20); // no null!
-	p2.finish();
-	PointerHolder<Buffer> b = p1.getBuffer();
-	// This is a bogus way to use StreamDataProvider, but it does
-	// adequately test its functionality.
-	Provider* provider = new Provider(b);
-	PointerHolder<QPDFObjectHandle::StreamDataProvider> p = provider;
-	qstream.replaceStreamData(
-	    p, QPDFObjectHandle::newName("/FlateDecode"),
-	    QPDFObjectHandle::newNull());
-	provider->badLength(false);
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-        // Linearize to force the provider to be called multiple times.
-        w.setLinearization(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-
-        // Every time a provider pipes stream data, it has to provide
-        // the same amount of data.
-	provider->badLength(true);
-	try
-	{
-	    qstream.getStreamData();
-	    std::cout << "oops -- getStreamData didn't throw" << std::endl;
-	}
-        catch (std::exception const& e)
-	{
-	    std::cout << "exception: " << e.what() << std::endl;
-	}
-    }
-    else if (n == 9)
-    {
-	QPDFObjectHandle root = pdf.getRoot();
-        // Explicitly exercise the Buffer version of newStream
-	PointerHolder<Buffer> buf = new Buffer(20);
-	unsigned char* bp = buf->getBuffer();
-	memcpy(bp, "data for new stream\n", 20); // no null!
-	QPDFObjectHandle qstream = QPDFObjectHandle::newStream(
-            &pdf, buf);
-	QPDFObjectHandle rstream = QPDFObjectHandle::newStream(&pdf);
-	try
-	{
-	    rstream.getStreamData();
-	    std::cout << "oops -- getStreamData didn't throw" << std::endl;
-	}
-	catch (std::logic_error const& e)
-	{
-	    std::cout << "exception: " << e.what() << std::endl;
-	}
-	rstream.replaceStreamData(
-	    "data for other stream\n",
-            QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
-	root.replaceKey("/QStream", qstream);
-	root.replaceKey("/RStream", rstream);
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 10)
-    {
-	std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        QPDFPageObjectHelper& ph(pages.at(0));
-	ph.addPageContents(
-            QPDFObjectHandle::newStream(
-                &pdf, "BT /F1 12 Tf 72 620 Td (Baked) Tj ET\n"), true);
-	ph.addPageContents(
-            QPDFObjectHandle::newStream(
-                &pdf, "BT /F1 18 Tf 72 520 Td (Mashed) Tj ET\n"), false);
-
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 11)
-    {
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle qstream = root.getKey("/QStream");
-	PointerHolder<Buffer> b1 = qstream.getStreamData();
-	PointerHolder<Buffer> b2 = qstream.getRawStreamData();
-	if ((b1->getSize() == 7) &&
-	    (memcmp(b1->getBuffer(), "potato\n", 7) == 0))
-	{
-	    std::cout << "filtered stream data okay" << std::endl;
-	}
-	if ((b2->getSize() == 15) &&
-	    (memcmp(b2->getBuffer(), "706F7461746F0A\n", 15) == 0))
-	{
-	    std::cout << "raw stream data okay" << std::endl;
-	}
-    }
-    else if (n == 12)
-    {
-	pdf.setOutputStreams(0, 0);
-	pdf.showLinearizationData();
-    }
-    else if (n == 13)
-    {
-	std::ostringstream out;
-	std::ostringstream err;
-	pdf.setOutputStreams(&out, &err);
-	pdf.showLinearizationData();
-	std::cout << "---output---" << std::endl
-		  << out.str()
-		  << "---error---" << std::endl
-		  << err.str();
-    }
-    else if (n == 14)
-    {
-	// Exercise swap and replace.  This test case is designed for
-	// a specific file.
-	std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
-	if (pages.size() != 4)
-	{
-	    throw std::logic_error("test " + QUtil::int_to_string(n) +
-				   " not called 4-page file");
-	}
-	// Swap pages 2 and 3
-	pdf.swapObjects(pages.at(1).getObjGen(), pages.at(2).getObjGen());
-	// Replace object and swap objects
-	QPDFObjectHandle trailer = pdf.getTrailer();
-	QPDFObjectHandle qdict = trailer.getKey("/QDict");
-	QPDFObjectHandle qarray = trailer.getKey("/QArray");
-	// Force qdict but not qarray to resolve
-	qdict.isDictionary();
-	QPDFObjectHandle new_dict = QPDFObjectHandle::newDictionary();
-	new_dict.replaceKey("/NewDict", QPDFObjectHandle::newInteger(2));
-	try
-	{
-	    // Do it wrong first...
-	    pdf.replaceObject(qdict.getObjGen(), qdict);
-	}
-	catch (std::logic_error const&)
-	{
-	    std::cout << "caught logic error as expected" << std::endl;
-	}
-	pdf.replaceObject(qdict.getObjGen(), new_dict);
-	// Now qdict still points to the old dictionary
-	std::cout << "old dict: " << qdict.getKey("/Dict").getIntValue()
-		  << std::endl;
-	// Swap dict and array
-	pdf.swapObjects(qdict.getObjGen(), qarray.getObjGen());
-	// Now qarray will resolve to new object but qdict is still
-	// the old object
-	std::cout << "old dict: " << qdict.getKey("/Dict").getIntValue()
-		  << std::endl;
-	std::cout << "new dict: " << qarray.getKey("/NewDict").getIntValue()
-		  << std::endl;
-	// Reread qdict, now pointing to an array
-	qdict = pdf.getObjectByObjGen(qdict.getObjGen());
-	std::cout << "swapped array: " << qdict.getArrayItem(0).getName()
-		  << std::endl;
-
-	// Exercise getAsMap and getAsArray
-	std::vector<QPDFObjectHandle> array_elements =
-	    qdict.getArrayAsVector();
-	std::map<std::string, QPDFObjectHandle> dict_items =
-	    qarray.getDictAsMap();
-	if ((array_elements.size() == 1) &&
-	    (array_elements.at(0).getName() == "/Array") &&
-	    (dict_items.size() == 1) &&
-	    (dict_items"/NewDict".getIntValue() == 2))
-	{
-	    std::cout << "array and dictionary contents are correct"
-		      << std::endl;
-	}
+static void
+test_10(QPDF& pdf, char const* arg2)
+{
+    std::vector<QPDFPageObjectHelper> pages =
+        QPDFPageDocumentHelper(pdf).getAllPages();
+    QPDFPageObjectHelper& ph(pages.at(0));
+    ph.addPageContents(
+        QPDFObjectHandle::newStream(
+            &pdf, "BT /F1 12 Tf 72 620 Td (Baked) Tj ET\n"),
+        true);
+    ph.addPageContents(
+        QPDFObjectHandle::newStream(
+            &pdf, "BT /F1 18 Tf 72 520 Td (Mashed) Tj ET\n"),
+        false);
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
 
-	// Exercise writing to memory buffer
-        for (int i = 0; i < 2; ++i)
-        {
-            QPDFWriter w(pdf);
-            w.setOutputMemory();
-            // Exercise setOutputMemory with and without static ID
-            w.setStaticID(i == 0);
-            w.setStreamDataMode(qpdf_s_preserve);
-            w.write();
-            Buffer* b = w.getBuffer();
-            std::string const filename = (i == 0 ? "a.pdf" : "b.pdf");
-            FILE* f = QUtil::safe_fopen(filename.c_str(), "wb");
-            fwrite(b->getBuffer(), b->getSize(), 1, f);
-            fclose(f);
-            delete b;
-        }
+static void
+test_11(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle qstream = root.getKey("/QStream");
+    std::shared_ptr<Buffer> b1 = qstream.getStreamData();
+    std::shared_ptr<Buffer> b2 = qstream.getRawStreamData();
+    if ((b1->getSize() == 7) && (memcmp(b1->getBuffer(), "potato\n", 7) == 0)) {
+        std::cout << "filtered stream data okay" << std::endl;
+    }
+    if ((b2->getSize() == 15) &&
+        (memcmp(b2->getBuffer(), "706F7461746F0A\n", 15) == 0)) {
+        std::cout << "raw stream data okay" << std::endl;
     }
-    else if (n == 15)
-    {
-        std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
-        // Reference to original page numbers for this test case are
-        // numbered from 0.
-
-        // Remove pages from various places, checking to make sure
-        // that our pages reference is getting updated.
-        assert(pages.size() == 10);
-        pdf.removePage(pages.back()); // original page 9
-        assert(pages.size() == 9);
-        pdf.removePage(*pages.begin()); // original page 0
-        assert(pages.size() == 8);
-        checkPageContents(pages.at(4), "Original page 5");
-        pdf.removePage(pages.at(4)); // original page 5
-        assert(pages.size() == 7);
-        checkPageContents(pages.at(4), "Original page 6");
-        checkPageContents(pages.at(0), "Original page 1");
-        checkPageContents(pages.at(6), "Original page 8");
-
-        // Insert pages
-
-        // Create some content streams.
-        std::vector<QPDFObjectHandle> contents;
-        contents.push_back(createPageContents(pdf, "New page 1"));
-        contents.push_back(createPageContents(pdf, "New page 0"));
-        contents.push_back(createPageContents(pdf, "New page 5"));
-        contents.push_back(createPageContents(pdf, "New page 6"));
-        contents.push_back(createPageContents(pdf, "New page 11"));
-        contents.push_back(createPageContents(pdf, "New page 12"));
-
-        // Create some page objects.  Start with an existing
-        // dictionary and modify it.  Using the results of
-        // getDictAsMap to create a new dictionary effectively creates
-        // a shallow copy.
-        QPDFObjectHandle page_template = pages.at(0);
-        std::vector<QPDFObjectHandle> new_pages;
-        for (std::vector<QPDFObjectHandle>::iterator iter = contents.begin();
-             iter != contents.end(); ++iter)
-        {
-            // We will retain indirect object references to other
-            // indirect objects other than page content.
-            QPDFObjectHandle page = page_template.shallowCopy();
-            page.replaceKey("/Contents", *iter);
-            if (iter == contents.begin())
-            {
-                // leave direct
-                new_pages.push_back(page);
-            }
-            else
-            {
-                new_pages.push_back(pdf.makeIndirectObject(page));
-            }
-        }
+}
 
-        // Now insert the pages
-        pdf.addPage(new_pages.at(0), true);
-        checkPageContents(pages.at(0), "New page 1");
-        pdf.addPageAt(new_pages.at(1), true, pages.at(0));
-        assert(pages.at(0).getObjGen() == new_pages.at(1).getObjGen());
-        pdf.addPageAt(new_pages.at(2), true, pages.at(5));
-        assert(pages.at(5).getObjGen() == new_pages.at(2).getObjGen());
-        pdf.addPageAt(new_pages.at(3), false, pages.at(5));
-        assert(pages.at(6).getObjGen() == new_pages.at(3).getObjGen());
-        assert(pages.size() == 11);
-        pdf.addPage(new_pages.at(4), false);
-        assert(pages.at(11).getObjGen() == new_pages.at(4).getObjGen());
-        pdf.addPageAt(new_pages.at(5), false, pages.back());
-        assert(pages.size() == 13);
-        checkPageContents(pages.at(0), "New page 0");
-        checkPageContents(pages.at(1), "New page 1");
-        checkPageContents(pages.at(5), "New page 5");
-        checkPageContents(pages.at(6), "New page 6");
-        checkPageContents(pages.at(11), "New page 11");
-        checkPageContents(pages.at(12), "New page 12");
-
-        // Exercise writing to FILE*
-        FILE* out =  QUtil::safe_fopen("a.pdf", "wb");
-	QPDFWriter w(pdf, "FILE* a.pdf", out, true);
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 16)
-    {
-        // Insert a page manually and then update the cache.
-        std::vector<QPDFObjectHandle> const& all_pages = pdf.getAllPages();
+static void
+test_12(QPDF& pdf, char const* arg2)
+{
+#ifdef _MSC_VER
+# pragma warning(disable : 4996)
+#endif
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+    pdf.setOutputStreams(0, 0);
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic pop
+#endif
+    pdf.showLinearizationData();
+}
 
-        QPDFObjectHandle contents = createPageContents(pdf, "New page 10");
-        QPDFObjectHandle page =
-            pdf.makeIndirectObject(
-                QPDFObjectHandle(all_pages.at(0)).shallowCopy());
-        page.replaceKey("/Contents", contents);
-
-        // Insert the page manually.
-	QPDFObjectHandle root = pdf.getRoot();
-	QPDFObjectHandle pages = root.getKey("/Pages");
-	QPDFObjectHandle kids = pages.getKey("/Kids");
-        page.replaceKey("/Parent", pages);
-        pages.replaceKey(
-            "/Count",
-            QPDFObjectHandle::newInteger(1 + all_pages.size()));
-        kids.appendItem(page);
-        assert(all_pages.size() == 10);
-        pdf.updateAllPagesCache();
-        assert(all_pages.size() == 11);
-        assert(all_pages.back().getObjGen() == page.getObjGen());
-
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 17)
-    {
-        // The input file to this test case has a duplicated page.
-        QPDFObjectHandle page_kids =
-            pdf.getRoot().getKey("/Pages").getKey("/Kids");
-        assert(page_kids.getArrayItem(0).getObjGen() ==
-               page_kids.getArrayItem(1).getObjGen());
-        std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
-        assert(pages.size() == 3);
-        assert(! (pages.at(0).getObjGen() == pages.at(1).getObjGen()));
-        assert(QPDFObjectHandle(pages.at(0)).getKey("/Contents").getObjGen() ==
-               QPDFObjectHandle(pages.at(1)).getKey("/Contents").getObjGen());
-        pdf.removePage(pages.at(0));
-        assert(pages.size() == 2);
-        PointerHolder<Buffer> b = QPDFObjectHandle(pages.at(0)).
-            getKey("/Contents").getStreamData();
-        std::string contents = std::string(
-            reinterpret_cast<char const*>(b->getBuffer()),
-            b->getSize());
-        assert(contents.find("page 0") != std::string::npos);
-    }
-    else if (n == 18)
-    {
-        // Remove a page and re-insert it in the same file.
-        std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
+static void
+test_13(QPDF& pdf, char const* arg2)
+{
+    std::ostringstream out;
+    std::ostringstream err;
+#ifdef _MSC_VER
+# pragma warning(disable : 4996)
+#endif
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+    pdf.setOutputStreams(&out, &err);
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic pop
+#endif
+    pdf.showLinearizationData();
+    std::cout << "---output---" << std::endl
+              << out.str() << "---error---" << std::endl
+              << err.str();
+}
 
-        // Remove pages from various places, checking to make sure
-        // that our pages reference is getting updated.
-        assert(pages.size() == 10);
-        QPDFObjectHandle page5 = pages.at(5);
-        pdf.removePage(page5);
-        assert(pages.size() == 9);
-        pdf.addPage(page5, false);
-        assert(pages.size() == 10);
-        assert(pages.back().getObjGen() == page5.getObjGen());
-
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 19)
-    {
-        // Remove a page and re-insert it in the same file.
-        QPDFPageDocumentHelper dh(pdf);
-        std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
+static void
+test_14(QPDF& pdf, char const* arg2)
+{
+    // Exercise swap and replace.  This test case is designed for
+    // a specific file.
+    std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
+    if (pages.size() != 4) {
+        throw std::logic_error("test 14 not called 4-page file");
+    }
+    // Swap pages 2 and 3
+    auto orig_page2 = pages.at(1);
+    auto orig_page3 = pages.at(2);
+    assert(orig_page2.getKey("/OrigPage").getIntValue() == 2);
+    assert(orig_page3.getKey("/OrigPage").getIntValue() == 3);
+    pdf.swapObjects(orig_page2.getObjGen(), orig_page3.getObjGen());
+    assert(orig_page2.getKey("/OrigPage").getIntValue() == 3);
+    assert(orig_page3.getKey("/OrigPage").getIntValue() == 2);
+    // Replace object and swap objects
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    QPDFObjectHandle qdict = trailer.getKey("/QDict");
+    QPDFObjectHandle qarray = trailer.getKey("/QArray");
+    // Force qdict but not qarray to resolve
+    qdict.isDictionary();
+    QPDFObjectHandle new_dict = QPDFObjectHandle::newDictionary();
+    new_dict.replaceKey("/NewDict", QPDFObjectHandle::newInteger(2));
+    try {
+        // Do it wrong first...
+        pdf.replaceObject(qdict.getObjGen(), qdict);
+    } catch (std::logic_error const&) {
+        std::cout << "caught logic error as expected" << std::endl;
+    }
+    pdf.replaceObject(qdict.getObjGen(), new_dict);
+    // Now qdict points to the new dictionary
+    std::cout << "old dict: " << qdict.getKey("/NewDict").getIntValue()
+              << std::endl;
+    // Swap dict and array
+    pdf.swapObjects(qdict.getObjGen(), qarray.getObjGen());
+    // Now qarray will resolve to new object and qdict resolves to
+    // the array
+    std::cout << "swapped array: " << qdict.getArrayItem(0).getName()
+              << std::endl;
+    std::cout << "new dict: " << qarray.getKey("/NewDict").getIntValue()
+              << std::endl;
+    // Reread qdict, still pointing to an array
+    qdict = pdf.getObjectByObjGen(qdict.getObjGen());
+    std::cout << "swapped array: " << qdict.getArrayItem(0).getName()
+              << std::endl;
 
-        // Try to insert a page that's already there.
-        dh.addPage(pages.at(5), false);
-        std::cout << "you can't see this" << std::endl;
+    // Exercise getAsMap and getAsArray
+    std::vector<QPDFObjectHandle> array_elements = qdict.getArrayAsVector();
+    std::map<std::string, QPDFObjectHandle> dict_items = qarray.getDictAsMap();
+    if ((array_elements.size() == 1) &&
+        (array_elements.at(0).getName() == "/Array") &&
+        (dict_items.size() == 1) &&
+        (dict_items"/NewDict".getIntValue() == 2)) {
+        std::cout << "array and dictionary contents are correct" << std::endl;
     }
-    else if (n == 20)
-    {
-        // Shallow copy an array
-	QPDFObjectHandle trailer = pdf.getTrailer();
-	QPDFObjectHandle qtest = trailer.getKey("/QTest");
-        QPDFObjectHandle copy = qtest.shallowCopy();
-        // Append shallow copy of a scalar
-        copy.appendItem(trailer.getKey("/Size").shallowCopy());
-        trailer.replaceKey("/QTest2", copy);
-
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 21)
-    {
-        // Try to shallow copy a stream
-        std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
-        QPDFObjectHandle page = pages.at(0);
-        QPDFObjectHandle contents = page.getKey("/Contents");
-        contents.shallowCopy();
-        std::cout << "you can't see this" << std::endl;
-    }
-    else if (n == 22)
-    {
-        // Try to remove a page we don't have
-        QPDFPageDocumentHelper dh(pdf);
-        std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-        QPDFPageObjectHelper& page = pages.at(0);
-        dh.removePage(page);
-        dh.removePage(page);
-        std::cout << "you can't see this" << std::endl;
-    }
-    else if (n == 23)
-    {
-        QPDFPageDocumentHelper dh(pdf);
-        std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
-        dh.removePage(pages.back());
+
+    // Exercise writing to memory buffer
+    for (int i = 0; i < 2; ++i) {
+        QPDFWriter w(pdf);
+        w.setOutputMemory();
+        // Exercise setOutputMemory with and without static ID
+        w.setStaticID(i == 0);
+        w.setStreamDataMode(qpdf_s_preserve);
+        w.write();
+        Buffer* b = w.getBuffer();
+        std::string const filename = (i == 0 ? "a.pdf" : "b.pdf");
+        FILE* f = QUtil::safe_fopen(filename.c_str(), "wb");
+        fwrite(b->getBuffer(), b->getSize(), 1, f);
+        fclose(f);
+        delete b;
     }
-    else if (n == 24)
-    {
-        // Test behavior of reserved objects
-        QPDFObjectHandle res1 = QPDFObjectHandle::newReserved(&pdf);
-        QPDFObjectHandle res2 = QPDFObjectHandle::newReserved(&pdf);
-	QPDFObjectHandle trailer = pdf.getTrailer();
-        trailer.replaceKey("Array1", res1);
-        trailer.replaceKey("Array2", res2);
-
-        QPDFObjectHandle array1 = QPDFObjectHandle::newArray();
-        QPDFObjectHandle array2 = QPDFObjectHandle::newArray();
-        array1.appendItem(res2);
-        array1.appendItem(QPDFObjectHandle::newInteger(1));
-        array2.appendItem(res1);
-        array2.appendItem(QPDFObjectHandle::newInteger(2));
-        // Make sure trying to ask questions about a reserved object
-        // doesn't break it.
-        if (res1.isArray())
-        {
-            std::cout << "oops -- res1 is an array" << std::endl;
-        }
-        if (res1.isReserved())
-        {
-            std::cout << "res1 is still reserved after checking if array"
-                      << std::endl;
-        }
-        pdf.replaceReserved(res1, array1);
-        if (res1.isReserved())
-        {
-            std::cout << "oops -- res1 is still reserved" << std::endl;
-        }
-        else
-        {
-            std::cout << "res1 is no longer reserved" << std::endl;
-        }
-        res1.assertArray();
-        std::cout << "res1 is an array" << std::endl;
+}
 
-        try
-        {
-            res2.unparseResolved();
-            std::cout << "oops -- didn't throw" << std::endl;
-        }
-        catch (std::logic_error const& e)
-        {
-            std::cout << "logic error: " << e.what() << std::endl;
-        }
-        try
-        {
-            res2.makeDirect();
-            std::cout << "oops -- didn't throw" << std::endl;
-        }
-        catch (std::logic_error const& e)
-        {
-            std::cout << "logic error: " << e.what() << std::endl;
-        }
+static void
+test_15(QPDF& pdf, char const* arg2)
+{
+    std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
+    // Reference to original page numbers for this test case are
+    // numbered from 0.
+
+    // Remove pages from various places, checking to make sure
+    // that our pages reference is getting updated.
+    assert(pages.size() == 10);
+    assert(!pdf.everPushedInheritedAttributesToPages());
+    pdf.removePage(pages.back()); // original page 9
+    assert(pdf.everPushedInheritedAttributesToPages());
+    assert(pages.size() == 9);
+    pdf.removePage(*pages.begin()); // original page 0
+    assert(pages.size() == 8);
+    checkPageContents(pages.at(4), "Original page 5");
+    pdf.removePage(pages.at(4)); // original page 5
+    assert(pages.size() == 7);
+    checkPageContents(pages.at(4), "Original page 6");
+    checkPageContents(pages.at(0), "Original page 1");
+    checkPageContents(pages.at(6), "Original page 8");
+
+    // Insert pages
+
+    // Create some content streams.
+    std::vector<QPDFObjectHandle> contents;
+    contents.push_back(createPageContents(pdf, "New page 1"));
+    contents.push_back(createPageContents(pdf, "New page 0"));
+    contents.push_back(createPageContents(pdf, "New page 5"));
+    contents.push_back(createPageContents(pdf, "New page 6"));
+    contents.push_back(createPageContents(pdf, "New page 11"));
+    contents.push_back(createPageContents(pdf, "New page 12"));
+
+    // Create some page objects.  Start with an existing
+    // dictionary and modify it.  Using the results of
+    // getDictAsMap to create a new dictionary effectively creates
+    // a shallow copy.
+    QPDFObjectHandle page_template = pages.at(0);
+    std::vector<QPDFObjectHandle> new_pages;
+    bool first = true;
+    for (auto const& iter: contents) {
+        // We will retain indirect object references to other
+        // indirect objects other than page content.
+        QPDFObjectHandle page = page_template.shallowCopy();
+        page.replaceKey("/Contents", iter);
+        if (first) {
+            // leave direct
+            first = false;
+        } else {
+            page = pdf.makeIndirectObject(page);
+        }
+        new_pages.push_back(page);
+    }
+
+    // Now insert the pages
+    pdf.addPage(new_pages.at(0), true);
+    checkPageContents(pages.at(0), "New page 1");
+    pdf.addPageAt(new_pages.at(1), true, pages.at(0));
+    assert(pages.at(0).getObjGen() == new_pages.at(1).getObjGen());
+    pdf.addPageAt(new_pages.at(2), true, pages.at(5));
+    assert(pages.at(5).getObjGen() == new_pages.at(2).getObjGen());
+    pdf.addPageAt(new_pages.at(3), false, pages.at(5));
+    assert(pages.at(6).getObjGen() == new_pages.at(3).getObjGen());
+    assert(pages.size() == 11);
+    pdf.addPage(new_pages.at(4), false);
+    assert(pages.at(11).getObjGen() == new_pages.at(4).getObjGen());
+    pdf.addPageAt(new_pages.at(5), false, pages.back());
+    assert(pages.size() == 13);
+    checkPageContents(pages.at(0), "New page 0");
+    checkPageContents(pages.at(1), "New page 1");
+    checkPageContents(pages.at(5), "New page 5");
+    checkPageContents(pages.at(6), "New page 6");
+    checkPageContents(pages.at(11), "New page 11");
+    checkPageContents(pages.at(12), "New page 12");
+
+    // Exercise writing to FILE*
+    FILE* out = QUtil::safe_fopen("a.pdf", "wb");
+    QPDFWriter w(pdf, "FILE* a.pdf", out, true);
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
 
-        pdf.replaceReserved(res2, array2);
+static void
+test_16(QPDF& pdf, char const* arg2)
+{
+    // Insert a page manually and then update the cache.
+    assert(!pdf.everCalledGetAllPages());
+    std::vector<QPDFObjectHandle> const& all_pages = pdf.getAllPages();
+    assert(pdf.everCalledGetAllPages());
+
+    QPDFObjectHandle contents = createPageContents(pdf, "New page 10");
+    QPDFObjectHandle page =
+        pdf.makeIndirectObject(QPDFObjectHandle(all_pages.at(0)).shallowCopy());
+    page.replaceKey("/Contents", contents);
+
+    // Insert the page manually.
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle pages = root.getKey("/Pages");
+    QPDFObjectHandle kids = pages.getKey("/Kids");
+    page.replaceKey("/Parent", pages);
+    pages.replaceKey(
+        "/Count",
+        QPDFObjectHandle::newInteger(1 + QIntC::to_longlong(all_pages.size())));
+    kids.appendItem(page);
+    assert(all_pages.size() == 10);
+    pdf.updateAllPagesCache();
+    assert(pdf.everCalledGetAllPages());
+    assert(all_pages.size() == 11);
+    assert(all_pages.back().getObjGen() == page.getObjGen());
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
 
-        res2.assertArray();
-        std::cout << "res2 is an array" << std::endl;
+static void
+test_17(QPDF& pdf, char const* arg2)
+{
+    // The input file to this test case has a duplicated page.
+    QPDFObjectHandle page_kids = pdf.getRoot().getKey("/Pages").getKey("/Kids");
+    assert(
+        page_kids.getArrayItem(0).getObjGen() ==
+        page_kids.getArrayItem(1).getObjGen());
+    std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
+    assert(pages.size() == 3);
+    assert(!(pages.at(0).getObjGen() == pages.at(1).getObjGen()));
+    assert(
+        QPDFObjectHandle(pages.at(0)).getKey("/Contents").getObjGen() ==
+        QPDFObjectHandle(pages.at(1)).getKey("/Contents").getObjGen());
+    pdf.removePage(pages.at(0));
+    assert(pages.size() == 2);
+    std::shared_ptr<Buffer> b =
+        QPDFObjectHandle(pages.at(0)).getKey("/Contents").getStreamData();
+    std::string contents = std::string(
+        reinterpret_cast<char const*>(b->getBuffer()), b->getSize());
+    assert(contents.find("page 0") != std::string::npos);
+}
 
-        // Verify that the previously added reserved keys can be
-        // dereferenced properly now
-        int i1 = res1.getArrayItem(0).getArrayItem(1).getIntValue();
-        int i2 = res2.getArrayItem(0).getArrayItem(1).getIntValue();
-        if ((i1 == 2) && (i2 == 1))
-        {
-            std::cout << "circular access and lazy resolution worked" << std::endl;
-        }
+static void
+test_18(QPDF& pdf, char const* arg2)
+{
+    // Remove a page and re-insert it in the same file.
+    std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
 
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 25)
-    {
-        // The copy object tests are designed to work with a specific
-        // file.  Look at the test suite for the file, and look at the
-        // file for comments about the file's structure.
+    // Remove pages from various places, checking to make sure
+    // that our pages reference is getting updated.
+    assert(pages.size() == 10);
+    QPDFObjectHandle page5 = pages.at(5);
+    pdf.removePage(page5);
+    assert(pages.size() == 9);
+    pdf.addPage(page5, false);
+    assert(pages.size() == 10);
+    assert(pages.back().getObjGen() == page5.getObjGen());
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
 
-        // Copy qtest without crossing page boundaries.  Should get O1
-        // and O2 and their streams but not O3 or any other pages.
+static void
+test_19(QPDF& pdf, char const* arg2)
+{
+    // Remove a page and re-insert it in the same file.
+    std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
 
-        assert(arg2 != 0);
-        {
-            // Make sure original PDF is out of scope when we write.
-            QPDF oldpdf;
-            oldpdf.processFile(arg2);
-            QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
-            pdf.getTrailer().replaceKey(
-                "/QTest", pdf.copyForeignObject(qtest));
-        }
+    // Try to insert a page that's already there. A shallow copy
+    // gets inserted instead.
+    auto newpage = pages.at(5);
+    size_t count = pages.size();
+    pdf.addPage(newpage, false);
+    auto last = pages.back();
+    assert(pages.size() == count + 1);
+    assert(!(last.getObjGen() == newpage.getObjGen()));
+    assert(
+        last.getKey("/Contents").getObjGen() ==
+        newpage.getKey("/Contents").getObjGen());
+}
 
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 26)
-    {
-        // Copy the O3 page using addPage.  Copy qtest without
-        // crossing page boundaries.  In addition to previous results,
-        // should get page O3 but no other pages including the page
-        // that O3 points to.  Also, inherited object will have been
-        // pushed down and will be preserved.
+static void
+test_20(QPDF& pdf, char const* arg2)
+{
+    // Shallow copy an array
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    QPDFObjectHandle qtest = trailer.getKey("/QTest");
+    QPDFObjectHandle copy = qtest.shallowCopy();
+    // Append shallow copy of a scalar
+    copy.appendItem(trailer.getKey("/Size").shallowCopy());
+    trailer.replaceKey("/QTest2", copy);
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
+
+static void
+test_21(QPDF& pdf, char const* arg2)
+{
+    // Try to shallow copy a stream
+    std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
+    QPDFObjectHandle page = pages.at(0);
+    QPDFObjectHandle contents = page.getKey("/Contents");
+    contents.shallowCopy();
+    std::cout << "you can't see this" << std::endl;
+}
+
+static void
+test_22(QPDF& pdf, char const* arg2)
+{
+    // Try to remove a page we don't have
+    QPDFPageDocumentHelper dh(pdf);
+    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
+    QPDFPageObjectHelper& page = pages.at(0);
+    dh.removePage(page);
+    dh.removePage(page);
+    std::cout << "you can't see this" << std::endl;
+}
+
+static void
+test_23(QPDF& pdf, char const* arg2)
+{
+    QPDFPageDocumentHelper dh(pdf);
+    std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
+    dh.removePage(pages.back());
+}
+
+static void
+test_24(QPDF& pdf, char const* arg2)
+{
+    // Test behavior of reserved objects
+    QPDFObjectHandle res1 = QPDFObjectHandle::newReserved(&pdf);
+    QPDFObjectHandle res2 = QPDFObjectHandle::newReserved(&pdf);
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    trailer.replaceKey("Array1", res1);
+    trailer.replaceKey("Array2", res2);
+
+    QPDFObjectHandle array1 = QPDFObjectHandle::newArray();
+    QPDFObjectHandle array2 = QPDFObjectHandle::newArray();
+    array1.appendItem(res2);
+    array1.appendItem(QPDFObjectHandle::newInteger(1));
+    array2.appendItem(res1);
+    array2.appendItem(QPDFObjectHandle::newInteger(2));
+    // Make sure trying to ask questions about a reserved object
+    // doesn't break it.
+    if (res1.isArray()) {
+        std::cout << "oops -- res1 is an array" << std::endl;
+    }
+    if (res1.isReserved()) {
+        std::cout << "res1 is still reserved after checking if array"
+                  << std::endl;
+    }
+    pdf.replaceReserved(res1, array1);
+    if (res1.isReserved()) {
+        std::cout << "oops -- res1 is still reserved" << std::endl;
+    } else {
+        std::cout << "res1 is no longer reserved" << std::endl;
+    }
+    res1.assertArray();
+    std::cout << "res1 is an array" << std::endl;
+
+    try {
+        res2.unparseResolved();
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error: " << e.what() << std::endl;
+    }
+    try {
+        res2.makeDirect();
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error: " << e.what() << std::endl;
+    }
+
+    pdf.replaceReserved(res2, array2);
+
+    res2.assertArray();
+    std::cout << "res2 is an array" << std::endl;
+
+    // Verify that the previously added reserved keys can be
+    // dereferenced properly now
+    int i1 = res1.getArrayItem(0).getArrayItem(1).getIntValueAsInt();
+    int i2 = res2.getArrayItem(0).getArrayItem(1).getIntValueAsInt();
+    if ((i1 == 2) && (i2 == 1)) {
+        std::cout << "circular access and lazy resolution worked" << std::endl;
+    }
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
+
+static void
+test_25(QPDF& pdf, char const* arg2)
+{
+    // The copy object tests are designed to work with a specific
+    // file.  Look at the test suite for the file, and look at the
+    // file for comments about the file's structure.
+
+    // Copy qtest without crossing page boundaries.  Should get O1
+    // and O2 and their streams but not O3 or any other pages.
+
+    assert(arg2 != 0);
+    {
+        // Make sure original PDF is out of scope when we write.
+        QPDF oldpdf;
+        oldpdf.processFile(arg2);
+        QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
+        pdf.getTrailer().replaceKey("/QTest", pdf.copyForeignObject(qtest));
+    }
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
+
+static void
+test_26(QPDF& pdf, char const* arg2)
+{
+    // Copy the O3 page using addPage.  Copy qtest without
+    // crossing page boundaries.  In addition to previous results,
+    // should get page O3 but no other pages including the page
+    // that O3 points to.  Also, inherited object will have been
+    // pushed down and will be preserved.
 
-        {
-            // Make sure original PDF is out of scope when we write.
-            assert(arg2 != 0);
-            QPDF oldpdf;
-            oldpdf.processFile(arg2);
-            QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
-            QPDFObjectHandle O3 = qtest.getKey("/O3");
-            QPDFPageDocumentHelper(pdf).addPage(O3, false);
-            pdf.getTrailer().replaceKey(
-                "/QTest", pdf.copyForeignObject(qtest));
-        }
-
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 27)
     {
-        // Copy O3 and the page O3 refers to before copying qtest.
-        // Should get qtest plus only the O3 page and the page that O3
-        // points to. Inherited objects should be preserved. This test
-        // also exercises copying from a stream that has a buffer and
-        // a provider, including copying a provider multiple times. We
-        // also exercise setImmediateCopyFrom.
+        // Make sure original PDF is out of scope when we write.
+        assert(arg2 != 0);
+        QPDF oldpdf;
+        oldpdf.processFile(arg2);
+        QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
+        QPDFObjectHandle O3 = qtest.getKey("/O3");
+        QPDFPageDocumentHelper(pdf).addPage(O3, false);
+        pdf.getTrailer().replaceKey("/QTest", pdf.copyForeignObject(qtest));
+    }
 
-        // Create a provider. The provider stays in scope.
-	PointerHolder<QPDFObjectHandle::StreamDataProvider> p1;
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.write();
+}
+
+static void
+test_27(QPDF& pdf, char const* arg2)
+{
+    // Copy O3 and the page O3 refers to before copying qtest.
+    // Should get qtest plus only the O3 page and the page that O3
+    // points to. Inherited objects should be preserved. This test
+    // also exercises copying from a stream that has a buffer and
+    // a provider, including copying a provider multiple times. We
+    // also exercise setImmediateCopyFrom.
+
+    // Create a provider. The provider stays in scope.
+    std::shared_ptr<QPDFObjectHandle::StreamDataProvider> p1;
+    {
+        // Local scope
+        Pl_Buffer pl("buffer");
+        pl.writeCStr("new data for stream\n");
+        pl.finish();
+        auto b = pl.getBufferSharedPointer();
+        Provider* provider = new Provider(b);
+        p1 = decltype(p1)(provider);
+    }
+    // Create a stream that uses a provider in empty1 and copy it
+    // to empty2. It is copied from empty2 to the final pdf.
+    QPDF empty1;
+    empty1.emptyPDF();
+    QPDFObjectHandle s1 = QPDFObjectHandle::newStream(&empty1);
+    s1.replaceStreamData(
+        p1, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
+    QPDF empty2;
+    empty2.emptyPDF();
+    s1 = empty2.copyForeignObject(s1);
+    {
+        // Make sure some source PDFs are out of scope when we
+        // write.
+
+        std::shared_ptr<QPDFObjectHandle::StreamDataProvider> p2;
+        // Create another provider. This one will go out of scope
+        // along with its containing qpdf, which has
+        // setImmediateCopyFrom(true).
         {
             // Local scope
             Pl_Buffer pl("buffer");
-            pl.write(QUtil::unsigned_char_pointer("new data for stream\n"),
-                      20); // no null!
+            pl.writeCStr("more data for stream\n");
             pl.finish();
-            PointerHolder<Buffer> b = pl.getBuffer();
+            auto b = pl.getBufferSharedPointer();
             Provider* provider = new Provider(b);
-            p1 = provider;
+            p2 = decltype(p2)(provider);
         }
-        // Create a stream that uses a provider in empty1 and copy it
-        // to empty2. It is copied from empty2 to the final pdf.
-        QPDF empty1;
-        empty1.emptyPDF();
-        QPDFObjectHandle s1 = QPDFObjectHandle::newStream(&empty1);
-	s1.replaceStreamData(
-	    p1, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
-        QPDF empty2;
-        empty2.emptyPDF();
-	s1 = empty2.copyForeignObject(s1);
-        {
-            // Make sure some source PDFs are out of scope when we
-            // write.
+        QPDF empty3;
+        empty3.emptyPDF();
+        empty3.setImmediateCopyFrom(true);
+        QPDFObjectHandle s3 = QPDFObjectHandle::newStream(&empty3);
+        s3.replaceStreamData(
+            p2, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
+        assert(arg2 != 0);
+        QPDF oldpdf;
+        oldpdf.processFile(arg2);
+        QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
+        QPDFObjectHandle O3 = qtest.getKey("/O3");
+        QPDFPageDocumentHelper dh(pdf);
+        dh.addPage(O3.getKey("/OtherPage"), false);
+        dh.addPage(O3, false);
+        QPDFObjectHandle s2 = QPDFObjectHandle::newStream(&oldpdf, "potato\n");
+        auto trailer = pdf.getTrailer();
+        trailer.replaceKey("/QTest", pdf.copyForeignObject(qtest));
+        auto qtest2 = trailer.replaceKeyAndGetNew(
+            "/QTest2", QPDFObjectHandle::newArray());
+        qtest2.appendItem(pdf.copyForeignObject(s1));
+        qtest2.appendItem(pdf.copyForeignObject(s2));
+        qtest2.appendItem(pdf.copyForeignObject(s3));
+    }
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setCompressStreams(false);
+    w.setDecodeLevel(qpdf_dl_generalized);
+    w.write();
+}
 
-            PointerHolder<QPDFObjectHandle::StreamDataProvider> p2;
-            // Create another provider. This one will go out of scope
-            // along with its containing qpdf, which has
-            // setImmediateCopyFrom(true).
-            {
-                // Local scope
-                Pl_Buffer pl("buffer");
-                pl.write(QUtil::unsigned_char_pointer(
-                              "more data for stream\n"),
-                          21); // no null!
-                pl.finish();
-                PointerHolder<Buffer> b = pl.getBuffer();
-                Provider* provider = new Provider(b);
-                p2 = provider;
-            }
-            QPDF empty3;
-            empty3.emptyPDF();
-            empty3.setImmediateCopyFrom(true);
-            QPDFObjectHandle s3 = QPDFObjectHandle::newStream(&empty3);
-            s3.replaceStreamData(
-                p2, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
-            assert(arg2 != 0);
-            QPDF oldpdf;
-            oldpdf.processFile(arg2);
-            QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
-            QPDFObjectHandle O3 = qtest.getKey("/O3");
-            QPDFPageDocumentHelper dh(pdf);
-            dh.addPage(O3.getKey("/OtherPage"), false);
-            dh.addPage(O3, false);
-            QPDFObjectHandle s2 = QPDFObjectHandle::newStream(
-                &oldpdf, "potato\n");
-            pdf.getTrailer().replaceKey(
-                "/QTest", pdf.copyForeignObject(qtest));
-            pdf.getTrailer().replaceKey(
-                "/QTest2", QPDFObjectHandle::newArray());
-            pdf.getTrailer().getKey("/QTest2").appendItem(
-                pdf.copyForeignObject(s1));
-            pdf.getTrailer().getKey("/QTest2").appendItem(
-                pdf.copyForeignObject(s2));
-            pdf.getTrailer().getKey("/QTest2").appendItem(
-                pdf.copyForeignObject(s3));
-        }
-
-	QPDFWriter w(pdf, "a.pdf");
-	w.setStaticID(true);
-	w.setStreamDataMode(qpdf_s_preserve);
-	w.write();
-    }
-    else if (n == 28)
-    {
-        // Copy foreign object errors
-        try
-        {
-            pdf.copyForeignObject(pdf.getTrailer().getKey("/QTest"));
-            std::cout << "oops -- didn't throw" << std::endl;
-        }
-        catch (std::logic_error const& e)
-        {
-            std::cout << "logic error: " << e.what() << std::endl;
-        }
-        try
-        {
-            pdf.copyForeignObject(QPDFObjectHandle::newInteger(1));
-            std::cout << "oops -- didn't throw" << std::endl;
-        }
-        catch (std::logic_error const& e)
-        {
-            std::cout << "logic error: " << e.what() << std::endl;
-        }
+static void
+test_28(QPDF& pdf, char const* arg2)
+{
+    // Copy foreign object errors
+    try {
+        pdf.copyForeignObject(pdf.getTrailer().getKey("/QTest"));
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error: " << e.what() << std::endl;
+    }
+    try {
+        pdf.copyForeignObject(QPDFObjectHandle::newInteger(1));
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error: " << e.what() << std::endl;
     }
-    else if (n == 29)
-    {
-        // Detect mixed objects in QPDFWriter
-        assert(arg2 != 0);
-        QPDF other;
-        other.processFile(arg2);
-        // Should use copyForeignObject instead
-        other.getTrailer().replaceKey(
-            "/QTest", pdf.getTrailer().getKey("/QTest"));
+}
 
-        try
-        {
-            QPDFWriter w(other, "a.pdf");
-            w.write();
-            std::cout << "oops -- didn't throw" << std::endl;
-        }
-        catch (std::logic_error const& e)
-        {
-            std::cout << "logic error: " << e.what() << std::endl;
-        }
+static void
+test_29(QPDF& pdf, char const* arg2)
+{
+    // Detect mixed objects in QPDFWriter
+    assert(arg2 != 0);
+    auto other = QPDF::create();
+    other->processFile(arg2);
+    // We need to create a QPDF with mixed ownership to exercise
+    // QPDFWriter's ownership check. To do this, we have to sneak the
+    // foreign object inside an ownerless direct object to avoid
+    // detection prior to calling QPDFWriter. Maybe a future version
+    // of qpdf will be able prevent creating mixed ownership. Another
+    // way to fake it out would be to call setDescription to
+    // explicitly change the ownership to the wrong value.
+    auto dict = QPDFObjectHandle::newDictionary();
+    dict.replaceKey("/QTest", pdf.getTrailer().getKey("/QTest"));
+    other->getTrailer().replaceKey("/QTest", dict);
+
+    try {
+        QPDFWriter w(*other, "a.pdf");
+        w.write();
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error: " << e.what() << std::endl;
     }
-    else if (n == 30)
-    {
-        assert(arg2 != 0);
-        QPDF encrypted;
-        encrypted.processFile(arg2, "user");
-        QPDFWriter w(pdf, "b.pdf");
-	w.setStreamDataMode(qpdf_s_preserve);
-        w.copyEncryptionParameters(encrypted);
-	w.write();
-
-        // Make sure the contents are actually the same
-        QPDF final;
-        final.processFile("b.pdf", "user");
-        std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
-        std::string orig_contents = getPageContents(pages.at(0));
-        pages = final.getAllPages();
-        std::string new_contents = getPageContents(pages.at(0));
-        if (orig_contents != new_contents)
-        {
-            std::cout << "oops -- page contents don't match" << std::endl
-                      << "original:\n" << orig_contents
-                      << "new:\n" << new_contents
-                      << std::endl;
-        }
+
+    // Make sure deleting the other source doesn't prevent detection.
+    auto other2 = QPDF::create();
+    other2->emptyPDF();
+    dict = QPDFObjectHandle::newDictionary();
+    dict.replaceKey("/QTest", other2->getRoot());
+    other->getTrailer().replaceKey("/QTest", dict);
+    other2 = nullptr;
+    try {
+        QPDFWriter w(*other, "a.pdf");
+        w.write();
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error: " << e.what() << std::endl;
     }
-    else if (n == 31)
-    {
-        // Test object parsing from a string.  The input file is not used.
 
-        QPDFObjectHandle o1 =
-            QPDFObjectHandle::parse(
-                "/name 16059 3.14159 false\n"
-                " << /key true /other  (string1) (string2)  >> null");
-        std::cout << o1.unparse() << std::endl;
-        QPDFObjectHandle o2 = QPDFObjectHandle::parse("   12345 \f  ");
-        assert(o2.isInteger() && (o2.getIntValue() == 12345));
-        try
-        {
-            QPDFObjectHandle::parse("1 0 R", "indirect test");
-            std::cout << "oops -- didn't throw" << std::endl;
-        }
-        catch (std::logic_error const& e)
-        {
-            std::cout << "logic error parsing indirect: " << e.what()
-                      << std::endl;
-        }
-        try
-        {
-            QPDFObjectHandle::parse("0 trailing", "trailing test");
-            std::cout << "oops -- didn't throw" << std::endl;
-        }
-        catch (std::runtime_error const& e)
-        {
-            std::cout << "trailing data: " << e.what()
-                      << std::endl;
-        }
+    // Detect adding a foreign object
+    auto root1 = pdf.getRoot();
+    auto root2 = other->getRoot();
+    try {
+        root1.replaceKey("/Oops", root2);
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error: " << e.what() << std::endl;
     }
-    else if (n == 32)
-    {
-        // Extra header text
-        char const* filenames = {"a.pdf", "b.pdf", "c.pdf", "d.pdf"};
-        for (int i = 0; i < 4; ++i)
-        {
-            bool linearized = ((i & 1) != 0);
-            bool newline = ((i & 2) != 0);
-            QPDFWriter w(pdf, filenamesi);
-            w.setStaticID(true);
-            std::cout
-                << "file: " << filenamesi << std::endl
-                << "linearized: " << (linearized ? "yes" : "no") << std::endl
-                << "newline: " << (newline ? "yes" : "no") << std::endl;
-            w.setLinearization(linearized);
-            w.setExtraHeaderText(newline
-                                 ? "%% Comment with newline\n"
-                                 : "%% Comment\n% No newline");
-            w.write();
-        }
+}
+
+static void
+test_30(QPDF& pdf, char const* arg2)
+{
+    assert(arg2 != 0);
+    QPDF encrypted;
+    encrypted.processFile(arg2, "user");
+    QPDFWriter w(pdf, "b.pdf");
+    w.setStreamDataMode(qpdf_s_preserve);
+    w.copyEncryptionParameters(encrypted);
+    w.write();
+
+    // Make sure the contents are actually the same
+    QPDF final;
+    final.processFile("b.pdf", "user");
+    std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
+    std::string orig_contents = getPageContents(pages.at(0));
+    pages = final.getAllPages();
+    std::string new_contents = getPageContents(pages.at(0));
+    if (orig_contents != new_contents) {
+        std::cout << "oops -- page contents don't match" << std::endl
+                  << "original:\n"
+                  << orig_contents << "new:\n"
+                  << new_contents << std::endl;
     }
-    else if (n == 33)
-    {
-        // Test writing to a custom pipeline
-        Pl_Buffer p("buffer");
-        QPDFWriter w(pdf);
+}
+
+static void
+test_31(QPDF& pdf, char const* arg2)
+{
+    // Test object parsing from a string.  The input file is not used.
+
+    auto o1 = "/name 16059 3.14159 false\n"
+              " << /key true /other  (string1) (string2)  >> null"_qpdf;
+    std::cout << o1.unparse() << std::endl;
+    QPDFObjectHandle o2 = QPDFObjectHandle::parse("   12345 \f  ");
+    assert(o2.isInteger() && (o2.getIntValue() == 12345));
+    try {
+        QPDFObjectHandle::parse("1 0 R", "indirect test");
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::logic_error const& e) {
+        std::cout << "logic error parsing indirect: " << e.what() << std::endl;
+    }
+    try {
+        QPDFObjectHandle::parse("0 trailing", "trailing test");
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::runtime_error const& e) {
+        std::cout << "trailing data: " << e.what() << std::endl;
+    }
+    assert(
+        QPDFObjectHandle::parse(&pdf, "1 0 R", "indirect test").unparse() ==
+        " 1 0 R ");
+}
+
+static void
+test_32(QPDF& pdf, char const* arg2)
+{
+    // Extra header text
+    char const* filenames = {"a.pdf", "b.pdf", "c.pdf", "d.pdf"};
+    for (int i = 0; i < 4; ++i) {
+        bool linearized = ((i & 1) != 0);
+        bool newline = ((i & 2) != 0);
+        QPDFWriter w(pdf, filenamesi);
         w.setStaticID(true);
-        w.setOutputPipeline(&p);
+        std::cout << "file: " << filenamesi << std::endl
+                  << "linearized: " << (linearized ? "yes" : "no") << std::endl
+                  << "newline: " << (newline ? "yes" : "no") << std::endl;
+        w.setLinearization(linearized);
+        w.setExtraHeaderText(
+            newline ? "%% Comment with newline\n" : "%% Comment\n% No newline");
         w.write();
-        PointerHolder<Buffer> b = p.getBuffer();
-        FILE* f = QUtil::safe_fopen("a.pdf", "wb");
-        fwrite(b->getBuffer(), b->getSize(), 1, f);
-        fclose(f);
     }
-    else if (n == 34)
-    {
-        // Look at Extensions dictionary
-        std::cout << "version: " << pdf.getPDFVersion() << std::endl
-                  << "extension level: " << pdf.getExtensionLevel() << std::endl
-                  << pdf.getRoot().getKey("/Extensions").unparse() << std::endl;
-    }
-    else if (n == 35)
-    {
-        // Extract attachments
+}
 
-        std::map<std::string, PointerHolder<Buffer> > attachments;
-        QPDFObjectHandle root = pdf.getRoot();
-        QPDFObjectHandle names = root.getKey("/Names");
-        QPDFObjectHandle embeddedFiles = names.getKey("/EmbeddedFiles");
-        names = embeddedFiles.getKey("/Names");
-        for (int i = 0; i < names.getArrayNItems(); ++i)
-        {
-            QPDFObjectHandle item = names.getArrayItem(i);
-            if (item.isDictionary() &&
-                item.getKey("/Type").isName() &&
-                (item.getKey("/Type").getName() == "/Filespec") &&
-                item.getKey("/EF").isDictionary() &&
-                item.getKey("/EF").getKey("/F").isStream())
-            {
-                std::string filename = item.getKey("/F").getStringValue();
-                QPDFObjectHandle stream = item.getKey("/EF").getKey("/F");
-                attachmentsfilename = stream.getStreamData();
-            }
-        }
-        for (std::map<std::string, PointerHolder<Buffer> >::iterator iter =
-                 attachments.begin(); iter != attachments.end(); ++iter)
-        {
-            std::string const& filename = (*iter).first;
-            std::string data = std::string(
-                reinterpret_cast<char const*>((*iter).second->getBuffer()),
-                (*iter).second->getSize());
-            bool is_binary = false;
-            for (size_t i = 0; i < data.size(); ++i)
-            {
-                if ((data.at(i) < 0) || (data.at(i) > 126))
-                {
-                    is_binary = true;
-                    break;
-                }
-            }
-            if (is_binary)
-            {
-                std::string t;
-                for (size_t i = 0;
-                     i < std::min(data.size(), static_cast<size_t>(20));
-                     ++i)
-                {
-                    if ((data.at(i) >= 32) && (data.at(i) <= 126))
-                    {
-                        t += data.at(i);
-                    }
-                    else
-                    {
-                        t += ".";
-                    }
+static void
+test_33(QPDF& pdf, char const* arg2)
+{
+    // Test writing to a custom pipeline
+    Pl_Buffer p("buffer");
+    QPDFWriter w(pdf);
+    w.setStaticID(true);
+    w.setOutputPipeline(&p);
+    w.write();
+    auto b = p.getBufferSharedPointer();
+    FILE* f = QUtil::safe_fopen("a.pdf", "wb");
+    fwrite(b->getBuffer(), b->getSize(), 1, f);
+    fclose(f);
+}
+
+static void
+test_34(QPDF& pdf, char const* arg2)
+{
+    // Look at Extensions dictionary
+    std::cout << "version: " << pdf.getPDFVersion() << std::endl
+              << "extension level: " << pdf.getExtensionLevel() << std::endl
+              << pdf.getRoot().getKey("/Extensions").unparse() << std::endl;
+    auto v = pdf.getVersionAsPDFVersion();
+    std::string v_string;
+    int extension_level;
+    v.getVersion(v_string, extension_level);
+    std::cout << "As PDFVersion: " << v_string << "/" << extension_level
+              << std::endl;
+}
+
+static void
+test_35(QPDF& pdf, char const* arg2)
+{
+    // Extract attachments
+
+    std::map<std::string, std::shared_ptr<Buffer>> attachments;
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle names = root.getKey("/Names");
+    QPDFObjectHandle embeddedFiles = names.getKey("/EmbeddedFiles");
+    names = embeddedFiles.getKey("/Names");
+    for (int i = 0; i < names.getArrayNItems(); ++i) {
+        QPDFObjectHandle item = names.getArrayItem(i);
+        if (item.isDictionary() && item.getKey("/Type").isName() &&
+            (item.getKey("/Type").getName() == "/Filespec") &&
+            item.getKey("/EF").isDictionary() &&
+            item.getKey("/EF").getKey("/F").isStream()) {
+            std::string filename = item.getKey("/F").getStringValue();
+            QPDFObjectHandle stream = item.getKey("/EF").getKey("/F");
+            attachmentsfilename = stream.getStreamData();
+        }
+    }
+    for (auto const& iter: attachments) {
+        std::string const& filename = iter.first;
+        std::string data = std::string(
+            reinterpret_cast<char const*>(iter.second->getBuffer()),
+            iter.second->getSize());
+        bool is_binary = false;
+        for (size_t i = 0; i < data.size(); ++i) {
+            if ((data.at(i) < 0) || (data.at(i) > 126)) {
+                is_binary = true;
+                break;
+            }
+        }
+        if (is_binary) {
+            std::string t;
+            for (size_t i = 0; i < std::min(data.size(), QIntC::to_size(20));
+                 ++i) {
+                if ((data.at(i) >= 32) && (data.at(i) <= 126)) {
+                    t += data.at(i);
+                } else {
+                    t += ".";
                 }
-                t += " (" + QUtil::int_to_string(data.size()) + " bytes)";
-                data = t;
             }
-            std::cout << filename << ":\n" << data << "--END--\n";
+            t += " (" + QUtil::uint_to_string(data.size()) + " bytes)";
+            data = t;
         }
+        std::cout << filename << ":\n" << data << "--END--\n";
     }
-    else if (n == 36)
-    {
-        // Extract raw unfilterable attachment
+}
 
-        QPDFObjectHandle root = pdf.getRoot();
-        QPDFObjectHandle names = root.getKey("/Names");
-        QPDFObjectHandle embeddedFiles = names.getKey("/EmbeddedFiles");
-        names = embeddedFiles.getKey("/Names");
-        for (int i = 0; i < names.getArrayNItems(); ++i)
-        {
-            QPDFObjectHandle item = names.getArrayItem(i);
-            if (item.isDictionary() &&
-                item.getKey("/Type").isName() &&
-                (item.getKey("/Type").getName() == "/Filespec") &&
-                item.getKey("/EF").isDictionary() &&
-                item.getKey("/EF").getKey("/F").isStream() &&
-                (item.getKey("/F").getStringValue() == "attachment1.txt"))
-            {
-                std::string filename = item.getKey("/F").getStringValue();
-                QPDFObjectHandle stream = item.getKey("/EF").getKey("/F");
-                Pl_Buffer p1("buffer");
-                Pl_Flate p2("compress", &p1, Pl_Flate::a_inflate);
-                stream.pipeStreamData(&p2, 0, qpdf_dl_none);
-                PointerHolder<Buffer> buf = p1.getBuffer();
-                std::string data = std::string(
-                    reinterpret_cast<char const*>(buf->getBuffer()),
-                    buf->getSize());
-                std::cout << stream.getDict().unparse()
-                          << filename << ":\n" << data << "--END--\n";
-            }
-        }
-    }
-    else if (n == 37)
-    {
-        // Parse content streams of all pages
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            QPDFPageObjectHelper& page(*iter);
-            ParserCallbacks cb;
-            page.parsePageContents(&cb);
-        }
-    }
-    else if (n == 38)
-    {
-        // Designed for override-compressed-object.pdf
-        QPDFObjectHandle qtest = pdf.getRoot().getKey("/QTest");
-        for (int i = 0; i < qtest.getArrayNItems(); ++i)
-        {
-            std::cout << qtest.getArrayItem(i).unparseResolved() << std::endl;
+static void
+test_36(QPDF& pdf, char const* arg2)
+{
+    // Extract raw unfilterable attachment
+
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle names = root.getKey("/Names");
+    QPDFObjectHandle embeddedFiles = names.getKey("/EmbeddedFiles");
+    names = embeddedFiles.getKey("/Names");
+    for (int i = 0; i < names.getArrayNItems(); ++i) {
+        QPDFObjectHandle item = names.getArrayItem(i);
+        if (item.isDictionary() && item.getKey("/Type").isName() &&
+            (item.getKey("/Type").getName() == "/Filespec") &&
+            item.getKey("/EF").isDictionary() &&
+            item.getKey("/EF").getKey("/F").isStream() &&
+            (item.getKey("/F").getStringValue() == "attachment1.txt")) {
+            std::string filename = item.getKey("/F").getStringValue();
+            QPDFObjectHandle stream = item.getKey("/EF").getKey("/F");
+            Pl_Buffer p1("buffer");
+            Pl_Flate p2("compress", &p1, Pl_Flate::a_inflate);
+            stream.pipeStreamData(&p2, 0, qpdf_dl_none);
+            auto buf = p1.getBufferSharedPointer();
+            std::string data = std::string(
+                reinterpret_cast<char const*>(buf->getBuffer()),
+                buf->getSize());
+            std::cout << stream.getDict().unparse() << filename << ":\n"
+                      << data << "--END--\n";
         }
     }
-    else if (n == 39)
-    {
-        // Display image filter and color set for each image on each page
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        int pageno = 0;
-        for (std::vector<QPDFPageObjectHelper>::iterator p_iter =
-                 pages.begin();
-             p_iter != pages.end(); ++p_iter)
-        {
-            std::cout << "page " << ++pageno << std::endl;
-	    std::map<std::string, QPDFObjectHandle> images =
-		(*p_iter).getPageImages();
-	    for (std::map<std::string, QPDFObjectHandle>::iterator i_iter =
-		     images.begin(); i_iter != images.end(); ++i_iter)
-	    {
-                QPDFObjectHandle image_dict = (*i_iter).second.getDict();
-                std::cout << "filter: "
-                          << image_dict.getKey("/Filter").unparseResolved()
-                          << ", color space: "
-                          << image_dict.getKey("/ColorSpace").unparseResolved()
-                          << std::endl;
-            }
-        }
+}
+
+static void
+test_37(QPDF& pdf, char const* arg2)
+{
+    // Parse content streams of all pages
+    for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        ParserCallbacks cb;
+        page.parseContents(&cb);
     }
-    else if (n == 40)
-    {
-        // Write PCLm. This requires specially crafted PDF files. This
-        // feature was implemented by Sahil Arora
-        // <sahilarora.535@gmail.com> as part of a Google Summer of
-        // Code project in 2017.
-        assert(arg2 != 0);
-        QPDFWriter w(pdf, arg2);
-        w.setPCLm(true);
-        w.setStaticID(true);
-        w.write();
+}
+
+static void
+test_38(QPDF& pdf, char const* arg2)
+{
+    // Designed for override-compressed-object.pdf
+    QPDFObjectHandle qtest = pdf.getRoot().getKey("/QTest");
+    for (int i = 0; i < qtest.getArrayNItems(); ++i) {
+        std::cout << qtest.getArrayItem(i).unparseResolved() << std::endl;
     }
-    else if (n == 41)
-    {
-        // Apply a token filter. This test case is crafted to work
-        // with coalesce.pdf.
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter =
-                 pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            (*iter).addContentTokenFilter(new TokenFilter);
+}
+
+static void
+test_39(QPDF& pdf, char const* arg2)
+{
+    // Display image filter and color set for each image on each page
+    int pageno = 0;
+    for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        std::cout << "page " << ++pageno << std::endl;
+        std::map<std::string, QPDFObjectHandle> images = page.getImages();
+        for (auto& i_iter: images) {
+            QPDFObjectHandle image_dict = i_iter.second.getDict();
+            std::cout << "filter: "
+                      << image_dict.getKey("/Filter").unparseResolved()
+                      << ", color space: "
+                      << image_dict.getKey("/ColorSpace").unparseResolved()
+                      << std::endl;
         }
-        QPDFWriter w(pdf, "a.pdf");
-	w.setQDFMode(true);
-        w.setStaticID(true);
-        w.write();
-    }
-    else if (n == 42)
-    {
-        // Access objects as wrong type. This test case is crafted to
-        // work with object-types.pdf.
-        QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
-        QPDFObjectHandle array = qtest.getKey("/Dictionary").getKey("/Key2");
-        QPDFObjectHandle dictionary = qtest.getKey("/Dictionary");
-        QPDFObjectHandle integer = qtest.getKey("/Integer");
-        QPDFObjectHandle null = QPDFObjectHandle::newNull();
-        assert(array.isArray());
-        assert(dictionary.isDictionary());
-        assert("" == qtest.getStringValue());
-        array.getArrayItem(-1).assertNull();
-        array.getArrayItem(16059).assertNull();
-        integer.getArrayItem(0).assertNull();
-        integer.appendItem(null);
-        array.eraseItem(-1);
-        array.eraseItem(16059);
-        integer.eraseItem(0);
-        integer.insertItem(0, null);
-        integer.setArrayFromVector(std::vector<QPDFObjectHandle>());
-        integer.setArrayItem(0, null);
-        assert(0 == integer.getArrayNItems());
-        assert(integer.getArrayAsVector().empty());
-        assert(false == integer.getBoolValue());
-        assert(integer.getDictAsMap().empty());
-        assert(integer.getKeys().empty());
-        assert(false == integer.hasKey("/Potato"));
-        integer.removeKey("/Potato");
-        integer.replaceOrRemoveKey("/Potato", null);
-        integer.replaceOrRemoveKey("/Potato", QPDFObjectHandle::newInteger(1));
-        integer.replaceKey("/Potato", QPDFObjectHandle::newInteger(1));
-        qtest.getKey("/Integer").getKey("/Potato");
-        assert(integer.getInlineImageValue().empty());
-        assert(0 == dictionary.getIntValue());
-        assert("/QPDFFakeName" == integer.getName());
-        assert("QPDFFAKE" == integer.getOperatorValue());
-        assert("0.0" == dictionary.getRealValue());
-        assert(integer.getStringValue().empty());
-        assert(integer.getUTF8Value().empty());
-        assert(0.0 == dictionary.getNumericValue());
-        // Make sure error messages are okay for nested values
-        std::cerr << "One error\n";
-        assert(array.getArrayItem(0).getStringValue().empty());
-        std::cerr << "One error\n";
-        assert(dictionary.getKey("/Quack").getStringValue().empty());
-        assert(array.getArrayItem(1).isDictionary());
-        assert(array.getArrayItem(1).getKey("/K").isArray());
-        assert(array.getArrayItem(1).getKey("/K").getArrayItem(0).isName());
-        assert("/V" ==
-               array.getArrayItem(1).getKey("/K").getArrayItem(0).getName());
-        std::cerr << "Two errors\n";
-        assert(array.getArrayItem(16059).getStringValue().empty());
-        std::cerr << "One error\n";
-        array.getArrayItem(1).getKey("/K").getArrayItem(0).getStringValue();
-        // Stream dictionary
-        QPDFObjectHandle page = pdf.getAllPages().at(0);
-        assert("/QPDFFakeName" ==
-               page.getKey("/Contents").getDict().getKey("/Potato").getName());
-        // Rectangles
-        QPDFObjectHandle::Rectangle r0 = integer.getArrayAsRectangle();
-        assert((r0.llx == 0) && (r0.lly == 0) &&
-               (r0.urx == 0) && (r0.ury == 0));
-        QPDFObjectHandle rect = QPDFObjectHandle::newFromRectangle(
-            QPDFObjectHandle::Rectangle(1.2, 3.4, 5.6, 7.8));
-        QPDFObjectHandle::Rectangle r1 = rect.getArrayAsRectangle();
-        assert((r1.llx > 1.19) && (r1.llx < 1.21) &&
-               (r1.lly > 3.39) && (r1.lly < 3.41) &&
-               (r1.urx > 5.59) && (r1.urx < 5.61) &&
-               (r1.ury > 7.79) && (r1.ury < 7.81));
     }
-    else if (n == 43)
-    {
-        // Forms
-        QPDFAcroFormDocumentHelper afdh(pdf);
-        if (! afdh.hasAcroForm())
-        {
-            std::cout << "no forms\n";
-            return;
-        }
-        std::cout << "iterating over form fields\n";
-        std::vector<QPDFFormFieldObjectHelper> form_fields =
-            afdh.getFormFields();
-        for (std::vector<QPDFFormFieldObjectHelper>::iterator iter =
-                 form_fields.begin();
-             iter != form_fields.end(); ++iter)
-        {
-            QPDFFormFieldObjectHelper ffh(*iter);
-            std::cout << "Field: " << ffh.getObjectHandle().unparse()
+}
+
+static void
+test_40(QPDF& pdf, char const* arg2)
+{
+    // Write PCLm. This requires specially crafted PDF files. This
+    // feature was implemented by Sahil Arora
+    // <sahilarora.535@gmail.com> as part of a Google Summer of
+    // Code project in 2017.
+    assert(arg2 != 0);
+    QPDFWriter w(pdf, arg2);
+    w.setPCLm(true);
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_41(QPDF& pdf, char const* arg2)
+{
+    // Apply a token filter. This test case is crafted to work
+    // with coalesce.pdf.
+    for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        page.addContentTokenFilter(
+            std::shared_ptr<QPDFObjectHandle::TokenFilter>(new TokenFilter()));
+    }
+    QPDFWriter w(pdf, "a.pdf");
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_42(QPDF& pdf, char const* arg2)
+{
+    // Access objects as wrong type. This test case is crafted to
+    // work with object-types.pdf.
+    QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
+    QPDFObjectHandle array = qtest.getKey("/Dictionary").getKey("/Key2");
+    QPDFObjectHandle dictionary = qtest.getKey("/Dictionary");
+    QPDFObjectHandle integer = qtest.getKey("/Integer");
+    QPDFObjectHandle null = QPDFObjectHandle::newNull();
+    assert(array.isArray());
+    {
+        // Exercise iterators directly
+        auto ai = array.aitems();
+        auto i = ai.begin();
+        assert(i->getName() == "/Item0");
+        auto& i_value = *i;
+        --i;
+        assert(i->getName() == "/Item0");
+        ++i;
+        ++i;
+        ++i;
+        assert(i == ai.end());
+        ++i;
+        assert(i == ai.end());
+        assert(!i_value.isInitialized());
+        --i;
+        assert(i_value.getName() == "/Item2");
+        assert(i->getName() == "/Item2");
+    }
+    assert(dictionary.isDictionary());
+    {
+        // Exercise iterators directly
+        auto di = dictionary.ditems();
+        auto i = di.begin();
+        assert(i->first == "/Key1");
+        auto& i_value = *i;
+        assert(i->second.getName() == "/Value1");
+        ++i;
+        ++i;
+        assert(i == di.end());
+        assert(!i_value.second.isInitialized());
+    }
+    assert("" == qtest.getStringValue());
+    array.getArrayItem(-1).assertNull();
+    array.getArrayItem(16059).assertNull();
+    integer.getArrayItem(0).assertNull();
+    integer.appendItem(null);
+    array.eraseItem(-1);
+    array.eraseItem(16059);
+    integer.eraseItem(0);
+    integer.insertItem(0, null);
+    integer.setArrayFromVector(std::vector<QPDFObjectHandle>());
+    integer.setArrayItem(0, null);
+    assert(0 == integer.getArrayNItems());
+    assert(integer.getArrayAsVector().empty());
+    assert(false == integer.getBoolValue());
+    assert(integer.getDictAsMap().empty());
+    assert(integer.getKeys().empty());
+    assert(false == integer.hasKey("/Potato"));
+    integer.removeKey("/Potato");
+    integer.replaceKey("/Potato", null);
+    integer.replaceKey("/Potato", QPDFObjectHandle::newInteger(1));
+    null.getKeyIfDict("/Integer").getKeyIfDict("/Potato").assertNull();
+    qtest.getKey("/Integer").getKeyIfDict("/Potato");
+    qtest.getKey("/Integer").getKey("/Potato");
+    assert(integer.getInlineImageValue().empty());
+    assert(0 == dictionary.getIntValue());
+    assert("/QPDFFakeName" == integer.getName());
+    assert("QPDFFAKE" == integer.getOperatorValue());
+    assert("0.0" == dictionary.getRealValue());
+    assert(integer.getStringValue().empty());
+    assert(integer.getUTF8Value().empty());
+    assert(0.0 == dictionary.getNumericValue());
+    // Make sure error messages are okay for nested values
+    std::cerr << "One error\n";
+    assert(array.getArrayItem(0).getStringValue().empty());
+    std::cerr << "One error\n";
+    assert(dictionary.getKey("/Quack").getStringValue().empty());
+    assert(dictionary.getKeyIfDict("/Quack").getStringValue().empty());
+    assert(array.getArrayItem(1).isDictionary());
+    assert(array.getArrayItem(1).getKey("/K").isArray());
+    assert(array.getArrayItem(1).getKey("/K").getArrayItem(0).isName());
+    assert(
+        "/V" == array.getArrayItem(1).getKey("/K").getArrayItem(0).getName());
+    std::cerr << "Two errors\n";
+    assert(array.getArrayItem(16059).getStringValue().empty());
+    std::cerr << "One error\n";
+    array.getArrayItem(1).getKey("/K").getArrayItem(0).getStringValue();
+    // Stream dictionary
+    QPDFObjectHandle page = pdf.getAllPages().at(0);
+    assert(
+        "/QPDFFakeName" ==
+        page.getKey("/Contents").getDict().getKey("/Potato").getName());
+    // Rectangles
+    QPDFObjectHandle::Rectangle r0 = integer.getArrayAsRectangle();
+    assert((r0.llx == 0) && (r0.lly == 0) && (r0.urx == 0) && (r0.ury == 0));
+    QPDFObjectHandle rect = QPDFObjectHandle::newFromRectangle(
+        QPDFObjectHandle::Rectangle(1.2, 3.4, 5.6, 7.8));
+    QPDFObjectHandle::Rectangle r1 = rect.getArrayAsRectangle();
+    assert(
+        (r1.llx > 1.19) && (r1.llx < 1.21) && (r1.lly > 3.39) &&
+        (r1.lly < 3.41) && (r1.urx > 5.59) && (r1.urx < 5.61) &&
+        (r1.ury > 7.79) && (r1.ury < 7.81));
+    QPDFObjectHandle uninitialized;
+    assert(!uninitialized.isInitialized());
+    assert(!uninitialized.isInteger());
+    assert(!uninitialized.isDictionary());
+}
+
+static void
+test_43(QPDF& pdf, char const* arg2)
+{
+    // Forms
+    QPDFAcroFormDocumentHelper afdh(pdf);
+    if (!afdh.hasAcroForm()) {
+        std::cout << "no forms\n";
+        return;
+    }
+    std::cout << "iterating over form fields\n";
+    for (auto& ffh: afdh.getFormFields()) {
+        std::cout << "Field: " << ffh.getObjectHandle().unparse() << std::endl;
+        QPDFFormFieldObjectHelper node = ffh;
+        while (!node.isNull()) {
+            QPDFFormFieldObjectHelper parent(node.getParent());
+            std::cout << "  Parent: "
+                      << (parent.isNull() ? std::string("none")
+                                          : parent.getObjectHandle().unparse())
                       << std::endl;
-            QPDFFormFieldObjectHelper node = ffh;
-            while (! node.isNull())
-            {
-                QPDFFormFieldObjectHelper parent(node.getParent());
-                std::cout << "  Parent: "
-                          << (parent.isNull()
-                              ? std::string("none")
-                              : parent.getObjectHandle().unparse())
-                          << std::endl;
-                node = parent;
-            }
-            std::cout << "  Fully qualified name: "
-                      << ffh.getFullyQualifiedName() << std::endl;
-            std::cout << "  Partial name: "
-                      << ffh.getPartialName() << std::endl;
-            std::cout << "  Alternative name: "
-                      << ffh.getAlternativeName() << std::endl;
-            std::cout << "  Mapping name: "
-                      << ffh.getMappingName() << std::endl;
-            std::cout << "  Field type: "
-                      << ffh.getFieldType() << std::endl;
-            std::cout << "  Value: "
-                      << ffh.getValue().unparse() << std::endl;
-            std::cout << "  Value as string: "
-                      << ffh.getValueAsString() << std::endl;
-            std::cout << "  Default value: "
-                      << ffh.getDefaultValue().unparse() << std::endl;
-            std::cout << "  Default value as string: "
-                      << ffh.getDefaultValueAsString() << std::endl;
-            std::cout << "  Default appearance: "
-                      << ffh.getDefaultAppearance() << std::endl;
-            std::cout << "  Quadding: "
-                      << ffh.getQuadding() << std::endl;
-            std::vector<QPDFAnnotationObjectHelper> annotations =
-                afdh.getAnnotationsForField(ffh);
-            for (std::vector<QPDFAnnotationObjectHelper>::iterator i2 =
-                     annotations.begin();
-                 i2 != annotations.end(); ++i2)
-            {
-                std::cout << "  Annotation: "
-                          << (*i2).getObjectHandle().unparse() << std::endl;
-            }
+            node = parent;
         }
-        std::cout << "iterating over annotations per page\n";
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            std::cout << "Page: " << (*iter).getObjectHandle().unparse()
+        std::cout << "  Fully qualified name: " << ffh.getFullyQualifiedName()
+                  << std::endl;
+        std::cout << "  Partial name: " << ffh.getPartialName() << std::endl;
+        std::cout << "  Alternative name: " << ffh.getAlternativeName()
+                  << std::endl;
+        std::cout << "  Mapping name: " << ffh.getMappingName() << std::endl;
+        std::cout << "  Field type: " << ffh.getFieldType() << std::endl;
+        std::cout << "  Value: " << ffh.getValue().unparse() << std::endl;
+        std::cout << "  Value as string: " << ffh.getValueAsString()
+                  << std::endl;
+        std::cout << "  Default value: " << ffh.getDefaultValue().unparse()
+                  << std::endl;
+        std::cout << "  Default value as string: "
+                  << ffh.getDefaultValueAsString() << std::endl;
+        std::cout << "  Default appearance: " << ffh.getDefaultAppearance()
+                  << std::endl;
+        std::cout << "  Quadding: " << ffh.getQuadding() << std::endl;
+        std::vector<QPDFAnnotationObjectHelper> annotations =
+            afdh.getAnnotationsForField(ffh);
+        for (auto& aoh: annotations) {
+            std::cout << "  Annotation: " << aoh.getObjectHandle().unparse()
                       << std::endl;
-            std::vector<QPDFAnnotationObjectHelper> annotations =
-                afdh.getWidgetAnnotationsForPage(*iter);
-            for (std::vector<QPDFAnnotationObjectHelper>::iterator i2 =
-                     annotations.begin();
-                 i2 != annotations.end(); ++i2)
-            {
-                QPDFAnnotationObjectHelper ah(*i2);
-                std::cout << "  Annotation: " << ah.getObjectHandle().unparse()
-                          << std::endl;
-                std::cout << "    Field: "
-                          << (afdh.getFieldForAnnotation(ah).
-                              getObjectHandle().unparse())
-                          << std::endl;
-                std::cout << "    Subtype: " << ah.getSubtype() << std::endl;
-                std::cout << "    Rect: ";
-                print_rect(std::cout, ah.getRect());
-                std::cout << std::endl;
-                std::string state = ah.getAppearanceState();
-                if (! state.empty())
-                {
-                    std::cout << "    Appearance state: " << state
-                              << std::endl;
-                }
-                std::cout << "    Appearance stream (/N): "
-                          << ah.getAppearanceStream("/N").unparse()
-                          << std::endl;
-                std::cout << "    Appearance stream (/N, /3): "
-                          << ah.getAppearanceStream("/N", "/3").unparse()
-                          << std::endl;
-            }
         }
     }
-    else if (n == 44)
-    {
-        // Set form fields.
-        QPDFAcroFormDocumentHelper afdh(pdf);
-        std::vector<QPDFFormFieldObjectHelper> fields = afdh.getFormFields();
-        for (std::vector<QPDFFormFieldObjectHelper>::iterator iter =
-                 fields.begin();
-             iter != fields.end(); ++iter)
-        {
-            QPDFFormFieldObjectHelper& field(*iter);
-            QPDFObjectHandle ft = field.getInheritableFieldValue("/FT");
-            if (ft.isName() && (ft.getName() == "/Tx"))
-            {
-                // \xc3\xb7 is utf-8 for U+00F7 (divided by)
-                field.setV("3.14 \xc3\xb7 0");
-                std::cout << "Set field value: "
-                          << field.getFullyQualifiedName()
-                          << " -> "
-                          << field.getValueAsString()
-                          << std::endl;
-            }
+    std::cout << "iterating over annotations per page\n";
+    for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        std::cout << "Page: " << page.getObjectHandle().unparse() << std::endl;
+        for (auto& ah: afdh.getWidgetAnnotationsForPage(page)) {
+            std::cout << "  Annotation: " << ah.getObjectHandle().unparse()
+                      << std::endl;
+            std::cout
+                << "    Field: "
+                << (afdh.getFieldForAnnotation(ah).getObjectHandle().unparse())
+                << std::endl;
+            std::cout << "    Subtype: " << ah.getSubtype() << std::endl;
+            std::cout << "    Rect: ";
+            print_rect(std::cout, ah.getRect());
+            std::cout << std::endl;
+            std::string state = ah.getAppearanceState();
+            if (!state.empty()) {
+                std::cout << "    Appearance state: " << state << std::endl;
+            }
+            std::cout << "    Appearance stream (/N): "
+                      << ah.getAppearanceStream("/N").unparse() << std::endl;
+            std::cout << "    Appearance stream (/N, /3): "
+                      << ah.getAppearanceStream("/N", "/3").unparse()
+                      << std::endl;
         }
-        QPDFWriter w(pdf, "a.pdf");
-	w.setQDFMode(true);
-        w.setStaticID(true);
-        w.setSuppressOriginalObjectIDs(true);
-        w.write();
     }
-    else if (n == 45)
-    {
-        // Decode obfuscated files. This is here to help test with
-        // files that trigger anti-virus warnings. See comments in
-        // qpdf.test for details.
-        QPDFWriter w(pdf, "a.pdf");
-        w.setStaticID(true);
-        w.write();
-        if (! pdf.getWarnings().empty())
-        {
-            exit(3);
+}
+
+static void
+test_44(QPDF& pdf, char const* arg2)
+{
+    // Set form fields.
+    for (auto& field: QPDFAcroFormDocumentHelper(pdf).getFormFields()) {
+        QPDFObjectHandle ft = field.getInheritableFieldValue("/FT");
+        if (ft.isName() && (ft.getName() == "/Tx")) {
+            // \xc3\xb7 is utf-8 for U+00F7 (divided by)
+            field.setV("3.14 \xc3\xb7 0");
+            std::cout << "Set field value: " << field.getFullyQualifiedName()
+                      << " -> " << field.getValueAsString() << std::endl;
         }
     }
-    else if (n == 46)
-    {
-        // Test number tree. This test is crafted to work with
-        // number-tree.pdf
-        QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
-        QPDFNumberTreeObjectHelper ntoh(qtest);
-        QPDFNumberTreeObjectHelper::idx_map ntoh_map = ntoh.getAsMap();
-        for (QPDFNumberTreeObjectHelper::idx_map::iterator iter =
-                 ntoh_map.begin();
-             iter != ntoh_map.end(); ++iter)
-        {
-            std::cout << (*iter).first << " "
-                      << (*iter).second.getStringValue()
-                      << std::endl;
-        }
-        assert(1 == ntoh.getMin());
-        assert(29 == ntoh.getMax());
-        assert(ntoh.hasIndex(6));
-        assert(! ntoh.hasIndex(500));
-        QPDFObjectHandle oh;
-        assert(! ntoh.findObject(4, oh));
-        assert(ntoh.findObject(3, oh));
-        assert("three" == oh.getStringValue());
-        QPDFNumberTreeObjectHelper::numtree_number offset = 0;
-        assert(! ntoh.findObjectAtOrBelow(0, oh, offset));
-        assert(ntoh.findObjectAtOrBelow(8, oh, offset));
-        assert("six" == oh.getStringValue());
-        assert(2 == offset);
+    QPDFWriter w(pdf, "a.pdf");
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.setSuppressOriginalObjectIDs(true);
+    w.write();
+}
+
+static void
+test_45(QPDF& pdf, char const* arg2)
+{
+    // Decode obfuscated files. This is here to help test with
+    // files that trigger anti-virus warnings. See comments in
+    // qpdf.test for details.
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.write();
+    if (!pdf.getWarnings().empty()) {
+        exit(3);
     }
-    else if (n == 47)
-    {
-        // Test page labels.
-        QPDFPageLabelDocumentHelper pldh(pdf);
-        size_t npages = pdf.getRoot().getKey("/Pages").
-            getKey("/Count").getIntValue();
-        std::vector<QPDFObjectHandle> labels;
-        pldh.getLabelsForPageRange(0, npages - 1, 1, labels);
-        assert(labels.size() % 2 == 0);
-        for (size_t i = 0; i < labels.size(); i+= 2)
-        {
-            std::cout << labels.at(i).getIntValue() << " "
-                      << labels.at(i+1).unparse() << std::endl;
-        }
+}
+
+static void
+test_46(QPDF& pdf, char const* arg2)
+{
+    // Test number tree. This test is crafted to work with
+    // number-tree.pdf
+    QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
+    QPDFNumberTreeObjectHelper ntoh(qtest, pdf);
+    for (auto& iter: ntoh) {
+        std::cout << iter.first << " " << iter.second.getStringValue()
+                  << std::endl;
+    }
+    QPDFNumberTreeObjectHelper::idx_map ntoh_map = ntoh.getAsMap();
+    for (auto& iter: ntoh_map) {
+        std::cout << iter.first << " " << iter.second.getStringValue()
+                  << std::endl;
+    }
+    assert(1 == ntoh.getMin());
+    assert(29 == ntoh.getMax());
+    assert(ntoh.hasIndex(6));
+    assert(!ntoh.hasIndex(500));
+    QPDFObjectHandle oh;
+    assert(!ntoh.findObject(4, oh));
+    assert(ntoh.findObject(3, oh));
+    assert("three" == oh.getStringValue());
+    QPDFNumberTreeObjectHelper::numtree_number offset = 0;
+    assert(!ntoh.findObjectAtOrBelow(0, oh, offset));
+    assert(ntoh.findObjectAtOrBelow(8, oh, offset));
+    assert("six" == oh.getStringValue());
+    assert(2 == offset);
+
+    auto new1 = QPDFNumberTreeObjectHelper::newEmpty(pdf);
+    auto iter1 = new1.begin();
+    assert(iter1 == new1.end());
+    ++iter1;
+    assert(iter1 == new1.end());
+    --iter1;
+    assert(iter1 == new1.end());
+    new1.insert(1, QPDFObjectHandle::newString("1"));
+    ++iter1;
+    assert((*iter1).first == 1); // exercise operator* explicitly
+    auto& iter1_val = *iter1;
+    --iter1;
+    assert(iter1 == new1.end());
+    --iter1;
+    assert(iter1->first == 1);
+    assert(iter1_val.first == 1);
+    new1.insert(2, QPDFObjectHandle::newString("2"));
+    ++iter1;
+    assert(iter1->first == 2);
+    assert(iter1_val.first == 2);
+    ++iter1;
+    assert(iter1 == new1.end());
+    assert(!iter1_val.second.isInitialized());
+    ++iter1;
+    assert(iter1->first == 1);
+    --iter1;
+    assert(iter1 == new1.end());
+    --iter1;
+    assert(iter1->first == 2);
+
+    std::cout << "insertAfter" << std::endl;
+    auto new2 = QPDFNumberTreeObjectHelper::newEmpty(pdf);
+    auto iter2 = new2.begin();
+    assert(iter2 == new2.end());
+    iter2.insertAfter(3, QPDFObjectHandle::newString("3!"));
+    assert(iter2->first == 3);
+    iter2.insertAfter(4, QPDFObjectHandle::newString("4!"));
+    assert(iter2->first == 4);
+    for (auto& i: new2) {
+        std::cout << i.first << " " << i.second.unparse() << std::endl;
+    }
+
+    std::cout << "/Bad1" << std::endl;
+    auto bad1 =
+        QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey("/Bad1"), pdf);
+    assert(bad1.begin() == bad1.end());
+    assert(bad1.last() == bad1.end());
+
+    std::cout << "/Bad2" << std::endl;
+    auto bad2 =
+        QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey("/Bad2"), pdf);
+    for (auto& i: bad2) {
+        std::cout << i.first << " " << i.second.unparse() << std::endl;
+    }
+
+    std::vector<std::string> empties = {"/Empty1", "/Empty2"};
+    for (auto const& k: empties) {
+        std::cout << k << std::endl;
+        auto empty =
+            QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey(k), pdf);
+        assert(empty.begin() == empty.end());
+        assert(empty.last() == empty.end());
+        auto i = empty.insert(5, QPDFObjectHandle::newString("5"));
+        assert(i->first == 5);
+        assert(i->second.getStringValue() == "5");
+        assert(empty.begin()->first == 5);
+        assert(empty.last()->first == 5);
+        assert(empty.begin()->second.getStringValue() == "5");
+        i = empty.insert(5, QPDFObjectHandle::newString("5+"));
+        assert(i->first == 5);
+        assert(i->second.getStringValue() == "5+");
+        assert(empty.begin()->second.getStringValue() == "5+");
+        i = empty.insert(6, QPDFObjectHandle::newString("6"));
+        assert(i->first == 6);
+        assert(i->second.getStringValue() == "6");
+        assert(empty.begin()->second.getStringValue() == "5+");
+        assert(empty.last()->first == 6);
+        assert(empty.last()->second.getStringValue() == "6");
+    }
+    std::cout << "Insert into invalid" << std::endl;
+    auto invalid1 =
+        QPDFNumberTreeObjectHelper(QPDFObjectHandle::newDictionary(), pdf);
+    try {
+        invalid1.insert(1, QPDFObjectHandle::newNull());
+    } catch (QPDFExc& e) {
+        std::cout << e.what() << std::endl;
+    }
+
+    std::cout << "/Bad3, no repair" << std::endl;
+    auto bad3_oh = pdf.getTrailer().getKey("/Bad3");
+    auto bad3 = QPDFNumberTreeObjectHelper(bad3_oh, pdf, false);
+    for (auto& i: bad3) {
+        std::cout << i.first << " " << i.second.unparse() << std::endl;
+    }
+    assert(!bad3_oh.getKey("/Kids").getArrayItem(0).isIndirect());
+
+    std::cout << "/Bad3, repair" << std::endl;
+    bad3 = QPDFNumberTreeObjectHelper(bad3_oh, pdf, true);
+    for (auto& i: bad3) {
+        std::cout << i.first << " " << i.second.unparse() << std::endl;
+    }
+    assert(bad3_oh.getKey("/Kids").getArrayItem(0).isIndirect());
+
+    std::cout << "/Bad4 -- missing limits" << std::endl;
+    auto bad4 =
+        QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey("/Bad4"), pdf);
+    bad4.insert(5, QPDFObjectHandle::newString("5"));
+    for (auto& i: bad4) {
+        std::cout << i.first << " " << i.second.unparse() << std::endl;
+    }
+
+    std::cout << "/Bad5 -- limit errors" << std::endl;
+    auto bad5 =
+        QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey("/Bad5"), pdf);
+    assert(bad5.find(10) == bad5.end());
+}
+
+static void
+test_47(QPDF& pdf, char const* arg2)
+{
+    // Test page labels.
+    QPDFPageLabelDocumentHelper pldh(pdf);
+    long long npages =
+        pdf.getRoot().getKey("/Pages").getKey("/Count").getIntValue();
+    std::vector<QPDFObjectHandle> labels;
+    pldh.getLabelsForPageRange(0, npages - 1, 1, labels);
+    assert(labels.size() % 2 == 0);
+    for (size_t i = 0; i < labels.size(); i += 2) {
+        std::cout << labels.at(i).getIntValue() << " "
+                  << labels.at(i + 1).unparse() << std::endl;
     }
-    else if (n == 48)
-    {
-        // Test name tree. This test is crafted to work with
-        // name-tree.pdf
-        QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
-        QPDFNameTreeObjectHelper ntoh(qtest);
-        std::map<std::string, QPDFObjectHandle> ntoh_map = ntoh.getAsMap();
-        for (std::map<std::string, QPDFObjectHandle>::iterator iter =
-                 ntoh_map.begin();
-             iter != ntoh_map.end(); ++iter)
-        {
-            std::cout << (*iter).first << " -> "
-                      << (*iter).second.getStringValue()
-                      << std::endl;
+}
+
+static void
+test_48(QPDF& pdf, char const* arg2)
+{
+    // Test name tree. This test is crafted to work with
+    // name-tree.pdf
+    QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
+    QPDFNameTreeObjectHelper ntoh(qtest, pdf);
+    for (auto& iter: ntoh) {
+        std::cout << iter.first << " -> " << iter.second.getStringValue()
+                  << std::endl;
+    }
+    std::map<std::string, QPDFObjectHandle> ntoh_map = ntoh.getAsMap();
+    for (auto& iter: ntoh_map) {
+        std::cout << iter.first << " -> " << iter.second.getStringValue()
+                  << std::endl;
+    }
+    assert(ntoh.hasName("11 elephant"));
+    assert(ntoh.hasName("07 sev\xe2\x80\xa2n"));
+    assert(!ntoh.hasName("potato"));
+    QPDFObjectHandle oh;
+    assert(!ntoh.findObject("potato", oh));
+    assert(ntoh.findObject("07 sev\xe2\x80\xa2n", oh));
+    assert("seven!" == oh.getStringValue());
+    auto last = ntoh.last();
+    assert(last->first == "29 twenty-nine");
+    assert(last->second.getUTF8Value() == "twenty-nine!");
+
+    auto new1 = QPDFNameTreeObjectHelper::newEmpty(pdf);
+    auto iter1 = new1.begin();
+    assert(iter1 == new1.end());
+    ++iter1;
+    assert(iter1 == new1.end());
+    --iter1;
+    assert(iter1 == new1.end());
+    new1.insert("1", QPDFObjectHandle::newString("1"));
+    ++iter1;
+    assert(iter1->first == "1");
+    auto& iter1_val = *iter1;
+    --iter1;
+    assert(iter1 == new1.end());
+    --iter1;
+    assert(iter1->first == "1");
+    assert(iter1_val.first == "1");
+    new1.insert("2", QPDFObjectHandle::newString("2"));
+    ++iter1;
+    assert(iter1->first == "2");
+    assert(iter1_val.first == "2");
+    ++iter1;
+    assert(iter1 == new1.end());
+    assert(!iter1_val.second.isInitialized());
+    ++iter1;
+    assert(iter1->first == "1");
+    --iter1;
+    assert(iter1 == new1.end());
+    --iter1;
+    assert(iter1->first == "2");
+
+    std::cout << "insertAfter" << std::endl;
+    auto new2 = QPDFNameTreeObjectHelper::newEmpty(pdf);
+    auto iter2 = new2.begin();
+    assert(iter2 == new2.end());
+    iter2.insertAfter("3", QPDFObjectHandle::newString("3!"));
+    assert(iter2->first == "3");
+    iter2.insertAfter("4", QPDFObjectHandle::newString("4!"));
+    assert(iter2->first == "4");
+    for (auto& i: new2) {
+        std::cout << i.first << " " << i.second.unparse() << std::endl;
+    }
+
+    std::vector<std::string> empties = {"/Empty1", "/Empty2"};
+    for (auto const& k: empties) {
+        std::cout << k << std::endl;
+        auto empty = QPDFNameTreeObjectHelper(pdf.getTrailer().getKey(k), pdf);
+        assert(empty.begin() == empty.end());
+        assert(empty.last() == empty.end());
+        auto i = empty.insert("five", QPDFObjectHandle::newString("5"));
+        assert(i->first == "five");
+        assert(i->second.getStringValue() == "5");
+        assert(empty.begin()->first == "five");
+        assert(empty.last()->first == "five");
+        assert(empty.begin()->second.getStringValue() == "5");
+        i = empty.insert("five", QPDFObjectHandle::newString("5+"));
+        assert(i->first == "five");
+        assert(i->second.getStringValue() == "5+");
+        assert(empty.begin()->second.getStringValue() == "5+");
+        i = empty.insert("six", QPDFObjectHandle::newString("6"));
+        assert(i->first == "six");
+        assert(i->second.getStringValue() == "6");
+        assert(empty.begin()->second.getStringValue() == "5+");
+        assert(empty.last()->first == "six");
+        assert(empty.last()->second.getStringValue() == "6");
+    }
+
+    std::cout << "/Bad1 -- wrong key type" << std::endl;
+    auto bad1 = QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Bad1"), pdf);
+    assert(bad1.find("G", true)->first == "A");
+    for (auto const& i: bad1) {
+        std::cout << i.first << std::endl;
+    }
+
+    std::cout << "/Bad2 -- invalid kid" << std::endl;
+    auto bad2 = QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Bad2"), pdf);
+    assert(bad2.find("G", true)->first == "B");
+    for (auto const& i: bad2) {
+        std::cout << i.first << std::endl;
+    }
+
+    std::cout << "/Bad3 -- invalid kid" << std::endl;
+    auto bad3 = QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Bad3"), pdf);
+    assert(bad3.find("G", true) == bad3.end());
+
+    std::cout << "/Bad4 -- invalid kid" << std::endl;
+    auto bad4 = QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Bad4"), pdf);
+    assert(bad4.find("F", true)->first == "C");
+    for (auto const& i: bad4) {
+        std::cout << i.first << std::endl;
+    }
+
+    std::cout << "/Bad5 -- loop in find" << std::endl;
+    auto bad5 = QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Bad5"), pdf);
+    assert(bad5.find("F", true)->first == "D");
+
+    std::cout << "/Bad6 -- bad limits" << std::endl;
+    auto bad6 = QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Bad6"), pdf);
+    assert(bad6.insert("H", QPDFObjectHandle::newNull())->first == "H");
+}
+
+static void
+test_49(QPDF& pdf, char const* arg2)
+{
+    // Outlines
+    QPDFOutlineDocumentHelper odh(pdf);
+    int pageno = 0;
+    for (auto& page: QPDFPageDocumentHelper(pdf).getAllPages()) {
+        auto outlines =
+            odh.getOutlinesForPage(page.getObjectHandle().getObjGen());
+        for (auto& ol: outlines) {
+            std::cout << "page " << pageno << ": " << ol.getTitle() << " -> "
+                      << ol.getDest().unparseResolved() << std::endl;
         }
-        assert(ntoh.hasName("11 elephant"));
-        assert(ntoh.hasName("07 sev\xe2\x80\xa2n"));
-        assert(! ntoh.hasName("potato"));
-        QPDFObjectHandle oh;
-        assert(! ntoh.findObject("potato", oh));
-        assert(ntoh.findObject("07 sev\xe2\x80\xa2n", oh));
-        assert("seven!" == oh.getStringValue());
+        ++pageno;
     }
-    else if (n == 49)
-    {
-        // Outlines
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        QPDFOutlineDocumentHelper odh(pdf);
-        int pageno = 0;
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter, ++pageno)
-        {
-            std::list<QPDFOutlineObjectHelper> outlines =
-                odh.getOutlinesForPage((*iter).getObjectHandle().getObjGen());
-            for (std::list<QPDFOutlineObjectHelper>::iterator oiter =
-                     outlines.begin();
-                 oiter != outlines.end(); ++oiter)
-            {
-                std::cout
-                    << "page " << pageno << ": "
-                    << (*oiter).getTitle() << " -> "
-                    << (*oiter).getDest().unparseResolved() << std::endl;
-            }
-        }
+}
+
+static void
+test_50(QPDF& pdf, char const* arg2)
+{
+    // Test dictionary merge. This test is crafted to work with
+    // merge-dict.pdf
+    QPDFObjectHandle d1 = pdf.getTrailer().getKey("/Dict1");
+    QPDFObjectHandle d2 = pdf.getTrailer().getKey("/Dict2");
+    d1.mergeResources(d2);
+    std::cout << d1.getJSON(JSON::LATEST).unparse() << std::endl;
+    // Top-level type mismatch
+    d1.mergeResources(d2.getKey("/k1"));
+    for (auto const& name: d1.getResourceNames()) {
+        std::cout << name << std::endl;
     }
-    else if (n == 50)
-    {
-        // Test dictionary merge. This test is crafted to work with
-        // merge-dict.pdf
-        QPDFObjectHandle d1 = pdf.getTrailer().getKey("/Dict1");
-        QPDFObjectHandle d2 = pdf.getTrailer().getKey("/Dict2");
-        d1.mergeResources(d2);
-        std::cout << d1.getJSON().unparse() << std::endl;
-        // Top-level type mismatch
-        d1.mergeResources(d2.getKey("/k1"));
-        std::set<std::string> names = d1.getResourceNames();
-        for (std::set<std::string>::iterator iter = names.begin();
-             iter != names.end(); ++iter)
-        {
-            std::cout << *iter << std::endl;
+}
+
+static void
+test_51(QPDF& pdf, char const* arg2)
+{
+    // Test radio button and checkbox field setting. The input
+    // files must have radios button called r1 and r2 and
+    // checkboxes called checkbox1 and checkbox2. The files
+    // button-set*.pdf are designed for this test case.
+    QPDFObjectHandle acroform = pdf.getRoot().getKey("/AcroForm");
+    QPDFObjectHandle fields = acroform.getKey("/Fields");
+    int nitems = fields.getArrayNItems();
+    for (int i = 0; i < nitems; ++i) {
+        QPDFObjectHandle field = fields.getArrayItem(i);
+        QPDFObjectHandle T = field.getKey("/T");
+        if (!T.isString()) {
+            continue;
+        }
+        std::string Tval = T.getUTF8Value();
+        if (Tval == "r1") {
+            std::cout << "setting r1 via parent\n";
+            QPDFFormFieldObjectHelper foh(field);
+            foh.setV(QPDFObjectHandle::newName("/2"));
+        } else if (Tval == "r2") {
+            std::cout << "setting r2 via child\n";
+            field = field.getKey("/Kids").getArrayItem(1);
+            QPDFFormFieldObjectHelper foh(field);
+            foh.setV(QPDFObjectHandle::newName("/3"));
+        } else if (Tval == "checkbox1") {
+            std::cout << "turning checkbox1 on\n";
+            QPDFFormFieldObjectHelper foh(field);
+            foh.setV(QPDFObjectHandle::newName("/Yes"));
+        } else if (Tval == "checkbox2") {
+            std::cout << "turning checkbox2 off\n";
+            QPDFFormFieldObjectHelper foh(field);
+            foh.setV(QPDFObjectHandle::newName("/Off"));
+        }
+    }
+    QPDFWriter w(pdf, "a.pdf");
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_52(QPDF& pdf, char const* arg2)
+{
+    // This test just sets a field value for appearance stream
+    // generating testing.
+    QPDFObjectHandle acroform = pdf.getRoot().getKey("/AcroForm");
+    QPDFObjectHandle fields = acroform.getKey("/Fields");
+    int nitems = fields.getArrayNItems();
+    for (int i = 0; i < nitems; ++i) {
+        QPDFObjectHandle field = fields.getArrayItem(i);
+        QPDFObjectHandle T = field.getKey("/T");
+        if (!T.isString()) {
+            continue;
+        }
+        std::string Tval = T.getUTF8Value();
+        if (Tval == "list1") {
+            std::cout << "setting list1 value\n";
+            QPDFFormFieldObjectHelper foh(field);
+            foh.setV(QPDFObjectHandle::newString(arg2));
         }
     }
-    else if (n == 51)
-    {
-        // Test radio button and checkbox field setting. The input
-        // files must have radios button called r1 and r2 and
-        // checkboxes called checkbox1 and checkbox2. The files
-        // button-set*.pdf are designed for this test case.
-        QPDFObjectHandle acroform = pdf.getRoot().getKey("/AcroForm");
-        QPDFObjectHandle fields = acroform.getKey("/Fields");
-        int n = fields.getArrayNItems();
-        for (int i = 0; i < n; ++i)
-        {
-            QPDFObjectHandle field = fields.getArrayItem(i);
-            QPDFObjectHandle T = field.getKey("/T");
-            if (! T.isString())
-            {
-                continue;
-            }
-            std::string Tval = T.getUTF8Value();
-            if (Tval == "r1")
-            {
-                std::cout << "setting r1 via parent\n";
-                QPDFFormFieldObjectHelper foh(field);
-                foh.setV(QPDFObjectHandle::newName("/2"));
-            }
-            else if (Tval == "r2")
-            {
-                std::cout << "setting r2 via child\n";
-                field = field.getKey("/Kids").getArrayItem(1);
-                QPDFFormFieldObjectHelper foh(field);
-                foh.setV(QPDFObjectHandle::newName("/3"));
-            }
-            else if (Tval == "checkbox1")
-            {
-                std::cout << "turning checkbox1 on\n";
-                QPDFFormFieldObjectHelper foh(field);
-                foh.setV(QPDFObjectHandle::newName("/Yes"));
-            }
-            else if (Tval == "checkbox2")
-            {
-                std::cout << "turning checkbox2 off\n";
-                QPDFFormFieldObjectHelper foh(field);
-                foh.setV(QPDFObjectHandle::newName("/Off"));
-            }
-        }
-        QPDFWriter w(pdf, "a.pdf");
-	w.setQDFMode(true);
-        w.setStaticID(true);
-        w.write();
+    QPDFWriter w(pdf, "a.pdf");
+    w.write();
+}
+
+static void
+test_53(QPDF& pdf, char const* arg2)
+{
+    // Test get all objects and dangling ref handling
+    QPDFObjectHandle root = pdf.getRoot();
+    root.replaceKey(
+        "/Q1", pdf.makeIndirectObject(QPDFObjectHandle::newString("potato")));
+    std::cout << "all objects" << std::endl;
+    for (auto& obj: pdf.getAllObjects()) {
+        std::cout << obj.unparse() << std::endl;
     }
-    else if (n == 52)
-    {
-        // This test just sets a field value for appearance stream
-        // generating testing.
-        QPDFObjectHandle acroform = pdf.getRoot().getKey("/AcroForm");
-        QPDFObjectHandle fields = acroform.getKey("/Fields");
-        int n = fields.getArrayNItems();
-        for (int i = 0; i < n; ++i)
-        {
-            QPDFObjectHandle field = fields.getArrayItem(i);
-            QPDFObjectHandle T = field.getKey("/T");
-            if (! T.isString())
-            {
-                continue;
-            }
-            std::string Tval = T.getUTF8Value();
-            if (Tval == "list1")
-            {
-                std::cout << "setting list1 value\n";
-                QPDFFormFieldObjectHelper foh(field);
-                foh.setV(QPDFObjectHandle::newString(arg2));
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_54(QPDF& pdf, char const* arg2)
+{
+    // Test getFinalVersion. This must be invoked with a file
+    // whose final version is not 1.5.
+    QPDFWriter w(pdf, "a.pdf");
+    assert(pdf.getPDFVersion() != "1.5");
+    w.setObjectStreamMode(qpdf_o_generate);
+    if (w.getFinalVersion() != "1.5") {
+        std::cout << "oops: " << w.getFinalVersion() << std::endl;
+    }
+}
+
+static void
+test_55(QPDF& pdf, char const* arg2)
+{
+    // Form XObjects
+    std::vector<QPDFPageObjectHelper> pages =
+        QPDFPageDocumentHelper(pdf).getAllPages();
+    QPDFObjectHandle qtest = QPDFObjectHandle::newArray();
+    for (auto& ph: pages) {
+        qtest.appendItem(ph.getFormXObjectForPage());
+        qtest.appendItem(ph.getFormXObjectForPage(false));
+    }
+    pdf.getTrailer().replaceKey("/QTest", qtest);
+    QPDFWriter w(pdf, "a.pdf");
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_56_59(
+    QPDF& pdf,
+    char const* arg2,
+    bool handle_from_transformation,
+    bool invert_to_transformation)
+{
+    // red pages are from pdf, blue pages are from pdf2
+    // red pages always have stated rotation absolutely
+    // 56: blue pages are overlaid exactly on top of red pages
+    // 57: blue pages have stated rotation relative to red pages
+    // 58: blue pages have no rotation (absolutely upright)
+    // 59: blue pages have stated rotation absolutely
+
+    // Placing form XObjects
+    assert(arg2);
+    QPDF pdf2;
+    pdf2.processFile(arg2);
+
+    std::vector<QPDFPageObjectHelper> pages1 =
+        QPDFPageDocumentHelper(pdf).getAllPages();
+    std::vector<QPDFPageObjectHelper> pages2 =
+        QPDFPageDocumentHelper(pdf2).getAllPages();
+    size_t npages =
+        (pages1.size() < pages2.size() ? pages1.size() : pages2.size());
+    for (size_t i = 0; i < npages; ++i) {
+        QPDFPageObjectHelper& ph1 = pages1.at(i);
+        QPDFPageObjectHelper& ph2 = pages2.at(i);
+        QPDFObjectHandle fo = pdf.copyForeignObject(
+            ph2.getFormXObjectForPage(handle_from_transformation));
+        int min_suffix = 1;
+        QPDFObjectHandle resources = ph1.getAttribute("/Resources", true);
+        std::string name = resources.getUniqueResourceName("/Fx", min_suffix);
+        std::string content = ph1.placeFormXObject(
+            fo,
+            name,
+            ph1.getTrimBox().getArrayAsRectangle(),
+            invert_to_transformation);
+        if (!content.empty()) {
+            resources.mergeResources(
+                QPDFObjectHandle::parse("<< /XObject << >> >>"));
+            resources.getKey("/XObject").replaceKey(name, fo);
+            ph1.addPageContents(QPDFObjectHandle::newStream(&pdf, "q\n"), true);
+            ph1.addPageContents(
+                QPDFObjectHandle::newStream(&pdf, "\nQ\n" + content), false);
+        }
+    }
+    QPDFWriter w(pdf, "a.pdf");
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_56(QPDF& pdf, char const* arg2)
+{
+    test_56_59(pdf, arg2, false, false);
+}
+
+static void
+test_57(QPDF& pdf, char const* arg2)
+{
+    test_56_59(pdf, arg2, true, false);
+}
+
+static void
+test_58(QPDF& pdf, char const* arg2)
+{
+    test_56_59(pdf, arg2, false, true);
+}
+
+static void
+test_59(QPDF& pdf, char const* arg2)
+{
+    test_56_59(pdf, arg2, true, true);
+}
+
+static void
+test_60(QPDF& pdf, char const* arg2)
+{
+    // Boundary condition testing for getUniqueResourceName;
+    // additional testing of mergeResources with conflict
+    // detection
+    QPDFObjectHandle r1 = QPDFObjectHandle::newDictionary();
+    int min_suffix = 1;
+    for (int i = 1; i < 3; ++i) {
+        std::string name = r1.getUniqueResourceName("/Quack", min_suffix);
+        r1.mergeResources(QPDFObjectHandle::parse("<< /Z << >> >>"));
+        r1.getKey("/Z").replaceKey(name, QPDFObjectHandle::newString("moo"));
+    }
+    auto make_resource = &(QPDFObjectHandle& dict,
+                             std::string const& key,
+                             std::string const& str) {
+        auto o1 = QPDFObjectHandle::newArray();
+        o1.appendItem(QPDFObjectHandle::newString(str));
+        dict.replaceKey(key, pdf.makeIndirectObject(o1));
+    };
+
+    auto z = r1.getKey("/Z");
+    r1.replaceKey("/Y", QPDFObjectHandle::newDictionary());
+    auto y = r1.getKey("/Y");
+    make_resource(z, "/F1", "r1.Z.F1");
+    make_resource(z, "/F2", "r1.Z.F2");
+    make_resource(y, "/F2", "r1.Y.F2");
+    make_resource(y, "/F3", "r1.Y.F3");
+    QPDFObjectHandle r2 = QPDFObjectHandle::parse("<< /Z << >> /Y << >> >>");
+    z = r2.getKey("/Z");
+    y = r2.getKey("/Y");
+    make_resource(z, "/F2", "r2.Z.F2");
+    make_resource(y, "/F3", "r2.Y.F3");
+    make_resource(y, "/F4", "r2.Y.F4");
+    // Add a direct object
+    y.replaceKey("/F5", QPDFObjectHandle::newString("direct r2.Y.F5"));
+
+    std::map<std::string, std::map<std::string, std::string>> conflicts;
+    auto show_conflicts = &(std::string const& msg) {
+        std::cout << msg << std::endl;
+        for (auto const& i1: conflicts) {
+            std::cout << i1.first << ":" << std::endl;
+            for (auto const& i2: i1.second) {
+                std::cout << "  " << i2.first << " -> " << i2.second
+                          << std::endl;
             }
         }
-        QPDFWriter w(pdf, "a.pdf");
-        w.write();
+    };
+
+    r1.mergeResources(r2, &conflicts);
+    show_conflicts("first merge");
+    auto r3 = r1.shallowCopy();
+    // Merge again. The direct object gets recopied. Everything
+    // else is the same.
+    r1.mergeResources(r2, &conflicts);
+    show_conflicts("second merge");
+
+    // Make all resources in r2 direct. Then merge two more times.
+    // We should get the one previously direct object copied one
+    // time as an indirect object.
+    r2.makeResourcesIndirect(pdf);
+    r1.mergeResources(r2, &conflicts);
+    show_conflicts("third merge");
+    r1.mergeResources(r2, &conflicts);
+    show_conflicts("fourth merge");
+
+    // The only differences between /QTest and /QTest3 should be
+    // the direct objects merged from r2.
+    auto trailer = pdf.getTrailer();
+    trailer.replaceKey("/QTest1", r1);
+    trailer.replaceKey("/QTest2", r2);
+    trailer.replaceKey("/QTest3", r3);
+    QPDFWriter w(pdf, "a.pdf");
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_61(QPDF& pdf, char const* arg2)
+{
+    // Test to make sure type information is passed across shared
+    // library boundaries. This includes exception handling, dynamic
+    // cast, and subclassing.
+    pdf.setAttemptRecovery(false);
+    pdf.setSuppressWarnings(true);
+    try {
+        pdf.processMemoryFile("empty", "", 0);
+    } catch (QPDFExc const&) {
+        std::cout << "Caught QPDFExc as expected" << std::endl;
+    }
+    try {
+        QUtil::safe_fopen("/does/not/exist", "r");
+    } catch (QPDFSystemError const&) {
+        std::cout << "Caught QPDFSystemError as expected" << std::endl;
+    }
+    try {
+        QUtil::int_to_string_base(0, 12);
+    } catch (std::logic_error const&) {
+        std::cout << "Caught logic_error as expected" << std::endl;
+    }
+    try {
+        QUtil::toUTF8(0xffffffff);
+    } catch (std::runtime_error const&) {
+        std::cout << "Caught runtime_error as expected" << std::endl;
+    }
+
+    // Spot check RTTI for dynamic cast. We intend to have pipelines
+    // and input sources be testable, but adding comprehensive tests
+    // for everything doesn't add value as it wouldn't catch
+    // forgetting QPDF_DLL_CLASS on a new subclass.
+    BufferInputSource b("x", "y");
+    InputSource* is = &b;
+    assert(dynamic_cast<BufferInputSource*>(is) != nullptr);
+    Pl_Discard pd;
+    Pipeline* p = &pd;
+    assert(dynamic_cast<Pl_Discard*>(p) != nullptr);
+}
+
+static void
+test_62(QPDF& pdf, char const* arg2)
+{
+    // Test int size checks. This test will fail if int and long
+    // long are the same size.
+    QPDFObjectHandle t = pdf.getTrailer();
+    unsigned long long q1_l = 3ULL * QIntC::to_ulonglong(INT_MAX);
+    long long q1 = QIntC::to_longlong(q1_l);
+    long long q2_l = 3LL * QIntC::to_longlong(INT_MIN);
+    long long q2 = QIntC::to_longlong(q2_l);
+    unsigned int q3_i = UINT_MAX;
+    long long q3 = QIntC::to_longlong(q3_i);
+    t.replaceKey("/Q1", QPDFObjectHandle::newInteger(q1));
+    t.replaceKey("/Q2", QPDFObjectHandle::newInteger(q2));
+    t.replaceKey("/Q3", QPDFObjectHandle::newInteger(q3));
+    assert_compare_numbers(q1, t.getKey("/Q1").getIntValue());
+    assert_compare_numbers(q1_l, t.getKey("/Q1").getUIntValue());
+    assert_compare_numbers(INT_MAX, t.getKey("/Q1").getIntValueAsInt());
+    assert_compare_numbers(UINT_MAX, t.getKey("/Q1").getUIntValueAsUInt());
+    assert_compare_numbers(q2_l, t.getKey("/Q2").getIntValue());
+    assert_compare_numbers(0U, t.getKey("/Q2").getUIntValue());
+    assert_compare_numbers(INT_MIN, t.getKey("/Q2").getIntValueAsInt());
+    assert_compare_numbers(0U, t.getKey("/Q2").getUIntValueAsUInt());
+    assert_compare_numbers(INT_MAX, t.getKey("/Q3").getIntValueAsInt());
+    assert_compare_numbers(UINT_MAX, t.getKey("/Q3").getUIntValueAsUInt());
+}
+
+static void
+test_63(QPDF& pdf, char const* arg2)
+{
+    QPDFWriter w(pdf);
+    // Exercise setting encryption parameters before setting the
+    // output filename. The previous bug does not happen if static
+    // or deterministic ID is used because the filename is not
+    // used as part of the input data for ID generation in those
+    // cases.
+    w.setR6EncryptionParameters(
+        "u", "o", true, true, true, true, true, true, qpdf_r3p_full, true);
+    w.setOutputFilename("a.pdf");
+    w.write();
+}
+
+static void
+test_64_67(QPDF& pdf, char const* arg2, bool allow_shrink, bool allow_expand)
+{
+    // Overlay file2 on file1.
+    // 64: allow neither shrink nor shrink
+    // 65: allow shrink but not expand
+    // 66: allow expand but not shrink
+    // 67: allow both shrink and expand
+
+    // Placing form XObjects: expand, shrink
+    assert(arg2);
+    QPDF pdf2;
+    pdf2.processFile(arg2);
+
+    std::vector<QPDFPageObjectHelper> pages1 =
+        QPDFPageDocumentHelper(pdf).getAllPages();
+    std::vector<QPDFPageObjectHelper> pages2 =
+        QPDFPageDocumentHelper(pdf2).getAllPages();
+    size_t npages =
+        (pages1.size() < pages2.size() ? pages1.size() : pages2.size());
+    for (size_t i = 0; i < npages; ++i) {
+        QPDFPageObjectHelper& ph1 = pages1.at(i);
+        QPDFPageObjectHelper& ph2 = pages2.at(i);
+        QPDFObjectHandle fo =
+            pdf.copyForeignObject(ph2.getFormXObjectForPage());
+        int min_suffix = 1;
+        QPDFObjectHandle resources = ph1.getAttribute("/Resources", true);
+        std::string name = resources.getUniqueResourceName("/Fx", min_suffix);
+        std::string content = ph1.placeFormXObject(
+            fo,
+            name,
+            ph1.getTrimBox().getArrayAsRectangle(),
+            false,
+            allow_shrink,
+            allow_expand);
+        if (!content.empty()) {
+            resources.mergeResources(
+                QPDFObjectHandle::parse("<< /XObject << >> >>"));
+            resources.getKey("/XObject").replaceKey(name, fo);
+            ph1.addPageContents(QPDFObjectHandle::newStream(&pdf, "q\n"), true);
+            ph1.addPageContents(
+                QPDFObjectHandle::newStream(&pdf, "\nQ\n" + content), false);
+        }
+    }
+    QPDFWriter w(pdf, "a.pdf");
+    w.setQDFMode(true);
+    w.setStaticID(true);
+    w.write();
+}
+
+static void
+test_64(QPDF& pdf, char const* arg2)
+{
+    test_64_67(pdf, arg2, false, false);
+}
+
+static void
+test_65(QPDF& pdf, char const* arg2)
+{
+    test_64_67(pdf, arg2, true, false);
+}
+
+static void
+test_66(QPDF& pdf, char const* arg2)
+{
+    test_64_67(pdf, arg2, false, true);
+}
+
+static void
+test_67(QPDF& pdf, char const* arg2)
+{
+    test_64_67(pdf, arg2, true, true);
+}
+
+static void
+test_68(QPDF& pdf, char const* arg2)
+{
+    QPDFObjectHandle root = pdf.getRoot();
+    QPDFObjectHandle qstream = root.getKey("/QStream");
+    try {
+        qstream.getStreamData();
+        std::cout << "oops -- didn't throw" << std::endl;
+    } catch (std::exception& e) {
+        std::cout << "get unfilterable stream: " << e.what() << std::endl;
+    }
+    std::shared_ptr<Buffer> b1 = qstream.getStreamData(qpdf_dl_all);
+    if ((b1->getSize() > 10) &&
+        (memcmp(b1->getBuffer(), "wwwwwwwww", 9) == 0)) {
+        std::cout << "filtered stream data okay" << std::endl;
+    }
+    std::shared_ptr<Buffer> b2 = qstream.getRawStreamData();
+    if ((b2->getSize() > 10) &&
+        (memcmp(
+             b2->getBuffer(), "\xff\xd8\xff\xe0\x00\x10\x4a\x46\x49\x46", 10) ==
+         0)) {
+        std::cout << "raw stream data okay" << std::endl;
     }
-    else if (n == 53)
-    {
-        // Test get all objects and dangling ref handling
-        QPDFObjectHandle root = pdf.getRoot();
-        root.replaceKey(
-            "/Q1",
-            pdf.makeIndirectObject(QPDFObjectHandle::newString("potato")));
-        std::cout << "all objects" << std::endl;
-        std::vector<QPDFObjectHandle> all = pdf.getAllObjects();
-        for (std::vector<QPDFObjectHandle>::iterator iter = all.begin();
-             iter != all.end(); ++iter)
-        {
-            std::cout << (*iter).unparse() << std::endl;
-        }
+}
 
-        QPDFWriter w(pdf, "a.pdf");
+static void
+test_69(QPDF& pdf, char const* arg2)
+{
+    pdf.setImmediateCopyFrom(true);
+    auto pages = pdf.getAllPages();
+    for (size_t i = 0; i < pages.size(); ++i) {
+        QPDF out;
+        out.emptyPDF();
+        out.addPage(pages.at(i), false);
+        std::string outname =
+            std::string("auto-") + QUtil::uint_to_string(i) + ".pdf";
+        QPDFWriter w(out, outname.c_str());
         w.setStaticID(true);
         w.write();
     }
-    else if (n == 54)
-    {
-        // Test getFinalVersion. This must be invoked with a file
-        // whose final version is not 1.5.
-        QPDFWriter w(pdf, "a.pdf");
-        assert(pdf.getPDFVersion() != "1.5");
-        w.setObjectStreamMode(qpdf_o_generate);
-        if (w.getFinalVersion() != "1.5")
-        {
-            std::cout << "oops: " << w.getFinalVersion() << std::endl;
-        }
+}
+
+static void
+test_70(QPDF& pdf, char const* arg2)
+{
+    auto trailer = pdf.getTrailer();
+    trailer.getKey("/S1").setFilterOnWrite(false);
+    trailer.getKey("/S2").setFilterOnWrite(false);
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setDecodeLevel(qpdf_dl_specialized);
+    w.write();
+}
+
+static void
+test_71(QPDF& pdf, char const* arg2)
+{
+    auto show = (QPDFObjectHandle& obj,
+                   QPDFObjectHandle& xobj_dict,
+                   std::string const& key) {
+        std::cout << xobj_dict.unparse() << " -> " << key << " -> "
+                  << obj.unparse() << std::endl;
+    };
+    auto page = QPDFPageDocumentHelper(pdf).getAllPages().at(0);
+    std::cout << "--- recursive, all ---" << std::endl;
+    page.forEachXObject(true, show);
+    std::cout << "--- non-recursive, all ---" << std::endl;
+    page.forEachXObject(false, show);
+    std::cout << "--- recursive, images ---" << std::endl;
+    page.forEachImage(true, show);
+    std::cout << "--- non-recursive, images ---" << std::endl;
+    page.forEachImage(false, show);
+    std::cout << "--- recursive, form XObjects ---" << std::endl;
+    page.forEachFormXObject(true, show);
+    std::cout << "--- non-recursive, form XObjects ---" << std::endl;
+    page.forEachFormXObject(false, show);
+    auto fx1 = QPDFPageObjectHelper(page.getObjectHandle()
+                                        .getKey("/Resources")
+                                        .getKey("/XObject")
+                                        .getKey("/Fx1"));
+    std::cout << "--- recursive, all, from fx1 ---" << std::endl;
+    fx1.forEachXObject(true, show);
+    std::cout << "--- non-recursive, all, from fx1 ---" << std::endl;
+    fx1.forEachXObject(false, show);
+    std::cout << "--- get images, page ---" << std::endl;
+    for (auto& i: page.getImages()) {
+        std::cout << i.first << " -> " << i.second.unparse() << std::endl;
+    }
+    std::cout << "--- get images, fx ---" << std::endl;
+    for (auto& i: fx1.getImages()) {
+        std::cout << i.first << " -> " << i.second.unparse() << std::endl;
+    }
+    std::cout << "--- get form XObjects, page ---" << std::endl;
+    for (auto& i: page.getFormXObjects()) {
+        std::cout << i.first << " -> " << i.second.unparse() << std::endl;
+    }
+    std::cout << "--- get form XObjects, fx ---" << std::endl;
+    for (auto& i: fx1.getFormXObjects()) {
+        std::cout << i.first << " -> " << i.second.unparse() << std::endl;
     }
-    else if (n == 55)
-    {
-        // Form XObjects
-        std::vector<QPDFPageObjectHelper> pages =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        QPDFObjectHandle qtest = QPDFObjectHandle::newArray();
-        for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-             iter != pages.end(); ++iter)
-        {
-            QPDFPageObjectHelper& ph(*iter);
-            qtest.appendItem(ph.getFormXObjectForPage());
-            qtest.appendItem(ph.getFormXObjectForPage(false));
-        }
-        pdf.getTrailer().replaceKey("/QTest", qtest);
-        QPDFWriter w(pdf, "a.pdf");
-	w.setQDFMode(true);
-        w.setStaticID(true);
-        w.write();
+}
+
+static void
+test_72(QPDF& pdf, char const* arg2)
+{
+    // Call some QPDFPageObjectHelper methods on form XObjects.
+    auto page = QPDFPageDocumentHelper(pdf).getAllPages().at(0);
+    auto fx1 = QPDFPageObjectHelper(page.getObjectHandle()
+                                        .getKey("/Resources")
+                                        .getKey("/XObject")
+                                        .getKey("/Fx1"));
+    std::cout << "--- parseContents ---" << std::endl;
+    ParserCallbacks cb;
+    fx1.parseContents(&cb);
+    // Do this once with addContentTokenFilter and once with
+    // addTokenFilter to show that they are the same and to ensure
+    // that addTokenFilter is directly exercised in testing.
+    for (int i = 0; i < 2; i++) {
+        Pl_Buffer b("buffer");
+        if (i == 0) {
+            fx1.addContentTokenFilter(
+                std::shared_ptr<QPDFObjectHandle::TokenFilter>(
+                    new TokenFilter()));
+        } else {
+            fx1.getObjectHandle().addTokenFilter(
+                std::shared_ptr<QPDFObjectHandle::TokenFilter>(
+                    new TokenFilter()));
+        }
+        fx1.pipeContents(&b);
+        std::unique_ptr<Buffer> buf(b.getBuffer());
+        std::string s(
+            reinterpret_cast<char const*>(buf->getBuffer()), buf->getSize());
+        assert(s.find("/bye") != std::string::npos);
     }
-    else if ((n >= 56) && (n <= 59))
-    {
-        // Placing form XObjects
-        assert(arg2);
+}
+
+static void
+test_73(QPDF& pdf, char const* arg2)
+{
+    try {
         QPDF pdf2;
-        pdf2.processFile(arg2);
+        pdf2.getRoot();
+    } catch (std::exception& e) {
+        std::cerr << "getRoot: " << e.what() << std::endl;
+    }
 
-        // red pages are from pdf, blue pages are from pdf2
-        // red pages always have stated rotation absolutely
-        // 56: blue pages are overlaid exactly on top of red pages
-        // 57: blue pages have stated rotation relative to red pages
-        // 58: blue pages have no rotation (absolutely upright)
-        // 59: blue pages have stated rotation absolutely
-        bool handle_from_transformation = ((n == 57) || (n == 59));
-        bool invert_to_transformation = ((n == 58) || (n == 59));
-
-        std::vector<QPDFPageObjectHelper> pages1 =
-            QPDFPageDocumentHelper(pdf).getAllPages();
-        std::vector<QPDFPageObjectHelper> pages2 =
-            QPDFPageDocumentHelper(pdf2).getAllPages();
-        size_t npages = (pages1.size() < pages2.size()
-                         ? pages1.size() : pages2.size());
-        for (size_t i = 0; i < npages; ++i)
-        {
-            QPDFPageObjectHelper& ph1 = pages1.at(i);
-            QPDFPageObjectHelper& ph2 = pages2.at(i);
-            QPDFObjectHandle fo = pdf.copyForeignObject(
-                ph2.getFormXObjectForPage(handle_from_transformation));
-            int min_suffix = 1;
-            QPDFObjectHandle resources = ph1.getAttribute("/Resources", true);
-            std::string name = resources.getUniqueResourceName(
-                "/Fx", min_suffix);
-            std::string content =
-                ph1.placeFormXObject(
-                    fo, name, ph1.getTrimBox().getArrayAsRectangle(),
-                    invert_to_transformation);
-            if (! content.empty())
-            {
-                resources.mergeResources(
-                    QPDFObjectHandle::parse("<< /XObject << >> >>"));
-                resources.getKey("/XObject").replaceKey(name, fo);
-                ph1.addPageContents(
-                    QPDFObjectHandle::newStream(&pdf, "q\n"), true);
-                ph1.addPageContents(
-                    QPDFObjectHandle::newStream(&pdf, "\nQ\n" + content),
-                    false);
-            }
-        }
-        QPDFWriter w(pdf, "a.pdf");
-	w.setQDFMode(true);
-        w.setStaticID(true);
-        w.write();
+    pdf.closeInputSource();
+    pdf.getRoot().getKey("/Pages").unparseResolved();
+}
+
+static void
+test_74(QPDF& pdf, char const* arg2)
+{
+    // This test is crafted to work with split-nntree.pdf
+    std::cout << "/Split1" << std::endl;
+    auto split1 =
+        QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey("/Split1"), pdf);
+    split1.setSplitThreshold(4);
+    auto check_split1 = &split1(int k) {
+        auto i = split1.insert(
+            k, QPDFObjectHandle::newString(QUtil::int_to_string(k)));
+        assert(i->first == k);
+    };
+    check_split1(15);
+    check_split1(35);
+    check_split1(125);
+    for (auto const& i: split1) {
+        std::cout << i.first << std::endl;
+    }
+
+    std::cout << "/Split2" << std::endl;
+    auto split2 =
+        QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Split2"), pdf);
+    split2.setSplitThreshold(4);
+    auto check_split2 = (QPDFNameTreeObjectHelper& noh,
+                           std::string const& k) {
+        auto i = noh.insert(k, QPDFObjectHandle::newUnicodeString(k));
+        assert(i->first == k);
+    };
+    check_split2(split2, "C");
+    for (auto const& i: split2) {
+        std::cout << i.first << std::endl;
+    }
+
+    std::cout << "/Split3" << std::endl;
+    auto split3 =
+        QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Split3"), pdf);
+    split3.setSplitThreshold(4);
+    check_split2(split3, "P");
+    check_split2(split3, "\xcf\x80");
+    for (auto& i: split3) {
+        std::cout << i.first << " " << i.second.unparse() << std::endl;
+    }
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setQDFMode(true);
+    w.write();
+}
+
+static void
+test_75(QPDF& pdf, char const* arg2)
+{
+    // This test is crafted to work with erase-nntree.pdf
+    auto erase1 =
+        QPDFNameTreeObjectHelper(pdf.getTrailer().getKey("/Erase1"), pdf);
+    QPDFObjectHandle value;
+    assert(!erase1.remove("1X"));
+    assert(erase1.remove("1C", &value));
+    assert(value.getUTF8Value() == "c");
+    auto iter1 = erase1.find("1B");
+    iter1.remove();
+    assert(iter1->first == "1D");
+    iter1.remove();
+    assert(iter1 == erase1.end());
+    --iter1;
+    assert(iter1->first == "1A");
+    iter1.remove();
+    assert(iter1 == erase1.end());
+
+    auto erase2_oh = pdf.getTrailer().getKey("/Erase2");
+    auto erase2 = QPDFNumberTreeObjectHelper(erase2_oh, pdf);
+    auto iter2 = erase2.find(250);
+    iter2.remove();
+    assert(iter2 == erase2.end());
+    --iter2;
+    assert(iter2->first == 240);
+    auto k1 = erase2_oh.getKey("/Kids").getArrayItem(1);
+    auto l1 = k1.getKey("/Limits");
+    assert(l1.getArrayItem(0).getIntValue() == 230);
+    assert(l1.getArrayItem(1).getIntValue() == 240);
+    iter2 = erase2.find(210);
+    iter2.remove();
+    assert(iter2->first == 220);
+    k1 = erase2_oh.getKey("/Kids").getArrayItem(0);
+    l1 = k1.getKey("/Limits");
+    assert(l1.getArrayItem(0).getIntValue() == 220);
+    assert(l1.getArrayItem(1).getIntValue() == 220);
+    k1 = k1.getKey("/Kids");
+    assert(k1.getArrayNItems() == 1);
+
+    auto erase3 =
+        QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey("/Erase3"), pdf);
+    iter2 = erase3.find(320);
+    iter2.remove();
+    assert(iter2 == erase3.end());
+    erase3.remove(310);
+    assert(erase3.begin() == erase3.end());
+
+    auto erase4 =
+        QPDFNumberTreeObjectHelper(pdf.getTrailer().getKey("/Erase4"), pdf);
+    iter2 = erase4.find(420);
+    iter2.remove();
+    assert(iter2->first == 430);
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setQDFMode(true);
+    w.write();
+}
+
+static void
+test_76(QPDF& pdf, char const* arg2)
+{
+    // Embedded files. arg2 is a file to attach. Hard-code the
+    // mime type and file name for test purposes.
+    QPDFEmbeddedFileDocumentHelper efdh(pdf);
+    auto fs1 = QPDFFileSpecObjectHelper::createFileSpec(pdf, "att1.txt", arg2);
+    fs1.setDescription("some text");
+    auto efs1 = QPDFEFStreamObjectHelper(fs1.getEmbeddedFileStream());
+    efs1.setSubtype("text/plain")
+        .setCreationDate("D:20210207191121-05'00'")
+        .setModDate("D:20210208001122Z");
+    efdh.replaceEmbeddedFile("att1", fs1);
+    auto efs2 = QPDFEFStreamObjectHelper::createEFStream(pdf, "from string");
+    efs2.setSubtype("text/plain");
+    Pl_Buffer p("buffer");
+    // exercise Pipeline::operator<<(std::string const&)
+    p << std::string("from buffer");
+    p.finish();
+    auto efs3 = QPDFEFStreamObjectHelper::createEFStream(
+        pdf, p.getBufferSharedPointer());
+    efs3.setSubtype("text/plain");
+    efdh.replaceEmbeddedFile(
+        "att2",
+        QPDFFileSpecObjectHelper::createFileSpec(pdf, "att2.txt", efs2));
+    auto fs3 = QPDFFileSpecObjectHelper::createFileSpec(pdf, "att3.txt", efs3);
+    efdh.replaceEmbeddedFile("att3", fs3);
+    fs3.setFilename("\xcf\x80.txt", "att3.txt");
+
+    assert(efs1.getCreationDate() == "D:20210207191121-05'00'");
+    assert(efs1.getModDate() == "D:20210208001122Z");
+    assert(efs2.getSize() == 11);
+    assert(efs2.getSubtype() == "text/plain");
+    assert(
+        QUtil::hex_encode(efs2.getChecksum()) ==
+        "2fce9c8228e360ba9b04a1bd1bf63d6b");
+
+    for (auto iter: efdh.getEmbeddedFiles()) {
+        std::cout << iter.first << " -> " << iter.second->getFilename()
+                  << std::endl;
+    }
+    assert(efdh.getEmbeddedFile("att1")->getFilename() == "att1.txt");
+    assert(!efdh.getEmbeddedFile("potato"));
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setQDFMode(true);
+    w.write();
+}
+
+static void
+test_77(QPDF& pdf, char const* arg2)
+{
+    QPDFEmbeddedFileDocumentHelper efdh(pdf);
+    assert(efdh.removeEmbeddedFile("att2"));
+    assert(!efdh.removeEmbeddedFile("att2"));
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setQDFMode(true);
+    w.write();
+}
+
+static void
+test_78(QPDF& pdf, char const* arg2)
+{
+    // Test functional versions of replaceStreamData()
+
+    auto f1 = (Pipeline* p) {
+        p->writeCStr("potato");
+        p->finish();
+    };
+    auto f2 = (Pipeline* p, bool suppress_warnings, bool will_retry) {
+        std::cerr << "f2" << std::endl;
+        if (will_retry) {
+            std::cerr << "failing" << std::endl;
+            return false;
+        }
+        if (!suppress_warnings) {
+            std::cerr << "warning" << std::endl;
+        }
+        p->writeCStr("salad");
+        p->finish();
+        std::cerr << "f2 done" << std::endl;
+        return true;
+    };
+
+    auto null = QPDFObjectHandle::newNull();
+    auto s1 = QPDFObjectHandle::newStream(&pdf);
+    s1.replaceStreamData(f1, null, null);
+    auto s2 = QPDFObjectHandle::newStream(&pdf);
+    s2.replaceStreamData(f2, null, null);
+    pdf.getTrailer().replaceKey(
+        "/Streams", QPDFObjectHandle::newArray({s1, s2}));
+    std::cout << "piping with warning suppression" << std::endl;
+    Pl_Discard d;
+    s2.pipeStreamData(&d, nullptr, 0, qpdf_dl_all, true, false);
+
+    std::cout << "writing" << std::endl;
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setQDFMode(true);
+    w.write();
+}
+
+static void
+test_79(QPDF& pdf, char const* arg2)
+{
+    // Exercise stream copier
+
+    // Copy streams. Modify the original and make sure the copy is
+    // unaffected.
+    auto copies = QPDFObjectHandle::newArray();
+    pdf.getTrailer().replaceKey("/Copies", copies);
+    auto null = QPDFObjectHandle::newNull();
+
+    // Get a regular stream from the file
+    auto p1 = pdf.getAllPages().at(0);
+    auto s1 = p1.getKey("/Contents");
+
+    // Create a stream from a string
+    auto s2 = QPDFObjectHandle::newStream(&pdf, "from string");
+    // Add direct and indirect objects to the dictionary
+    s2.getDict().replaceKey(
+        "/Stuff",
+        QPDFObjectHandle::parse(
+            &pdf,
+            "<< /Direct 3 /Indirect " +
+                pdf.makeIndirectObject(QPDFObjectHandle::newInteger(16059))
+                    .unparse() +
+                ">>"));
+    s2.getDict().replaceKey(
+        "/Other", QPDFObjectHandle::newString("other stuff"));
+
+    // Use a provider
+    Pl_Buffer b("buffer");
+    b.writeCStr("from buffer");
+    b.finish();
+    auto bp = b.getBufferSharedPointer();
+    auto s3 = QPDFObjectHandle::newStream(&pdf, bp);
+
+    std::vector<QPDFObjectHandle> streams = {s1, s2, s3};
+    pdf.getTrailer().replaceKey(
+        "/Originals", QPDFObjectHandle::newArray(streams));
+
+    int i = 0;
+    for (auto orig: streams) {
+        ++i;
+        auto istr = QUtil::int_to_string(i);
+        auto orig_data = orig.getStreamData();
+        auto copy = orig.copyStream();
+        copy.getDict().replaceKey(
+            "/Other", QPDFObjectHandle::newString("other: " + istr));
+        orig.replaceStreamData("something new " + istr, null, null);
+        auto copy_data = copy.getStreamData();
+        assert(orig_data->getSize() == copy_data->getSize());
+        assert(
+            memcmp(
+                orig_data->getBuffer(),
+                copy_data->getBuffer(),
+                orig_data->getSize()) == 0);
+        copies.appendItem(copy);
+    }
+
+    QPDFWriter w(pdf, "a.pdf");
+    w.setStaticID(true);
+    w.setQDFMode(true);
+    w.write();
+}
+
+static void
+test_80(QPDF& pdf, char const* arg2)
+{
+    // Exercise transform/copy annotations without passing in
+    // QPDFAcroFormDocumentHelper pointers. The case of passing
+    // them in is sufficiently exercised by testing through the
+    // qpdf CLI.
+
+    // The main file is a file that has lots of annotations. Arg2
+    // is a file to copy annotations to.
+
+    QPDFMatrix m;
+    m.translate(306, 396);
+    m.scale(0.4, 0.4);
+    auto page1 = pdf.getAllPages().at(0);
+    auto old_annots = page1.getKey("/Annots");
+    // Transform annotations and copy them back to the same page.
+    std::vector<QPDFObjectHandle> new_annots;
+    std::vector<QPDFObjectHandle> new_fields;
+    std::set<QPDFObjGen> old_fields;
+    QPDFAcroFormDocumentHelper afdh(pdf);
+    // Use defaults for from_qpdf and from_afdh.
+    afdh.transformAnnotations(
+        old_annots, new_annots, new_fields, old_fields, m);
+    for (auto const& annot: new_annots) {
+        old_annots.appendItem(annot);
+    }
+    afdh.addAndRenameFormFields(new_fields);
+
+    m = QPDFMatrix();
+    m.translate(612, 0);
+    m.scale(-1, 1);
+    QPDF pdf2;
+    pdf2.processFile(arg2);
+    auto page2 = QPDFPageDocumentHelper(pdf2).getAllPages().at(0);
+    page2.copyAnnotations(page1, m);
+
+    QPDFWriter w1(pdf, "a.pdf");
+    w1.setStaticID(true);
+    w1.setQDFMode(true);
+    w1.write();
+
+    QPDFWriter w2(pdf2, "b.pdf");
+    w2.setStaticID(true);
+    w2.setQDFMode(true);
+    w2.write();
+}
+
+static void
+test_81(QPDF& pdf, char const* arg2)
+{
+    // Exercise that type errors get their own special type
+    try {
+        QPDFObjectHandle::newNull().getIntValue();
+        assert(false);
+    } catch (QPDFExc& e) {
+        assert(e.getErrorCode() == qpdf_e_object);
     }
-    else if (n == 60)
-    {
-        // Boundary condition testing for getUniqueResourceName
-        QPDFObjectHandle r1 = QPDFObjectHandle::newDictionary();
-        int min_suffix = 1;
-        for (int i = 1; i < 3; ++i)
-        {
-            std::string name = r1.getUniqueResourceName("/Quack", min_suffix);
-            r1.mergeResources(QPDFObjectHandle::parse("<< /Z << >> >>"));
-            r1.getKey("/Z").replaceKey(
-                name, QPDFObjectHandle::newString("moo"));
-        }
-        pdf.getTrailer().replaceKey("/QTest", r1);
-        QPDFWriter w(pdf, "a.pdf");
-        w.setStaticID(true);
-        w.write();
+}
+
+static void
+test_82(QPDF& pdf, char const* arg2)
+{
+    // Exercise compound test methods QPDFObjectHandle::isNameAndEquals,
+    // isDictionaryOfType and isStreamOfType
+    auto name = QPDFObjectHandle::newName("/Marvin");
+    auto str = QPDFObjectHandle::newString("/Marvin");
+    assert(name.isNameAndEquals("/Marvin"));
+    assert(!name.isNameAndEquals("Marvin"));
+    assert(!str.isNameAndEquals("/Marvin"));
+    auto dict =
+        QPDFObjectHandle::parse("<</A 1 /Type /Test /Subtype /Marvin>>");
+    assert(dict.isDictionaryOfType("/Test", ""));
+    assert(dict.isDictionaryOfType("/Test"));
+    assert(dict.isDictionaryOfType("/Test", "/Marvin"));
+    assert(dict.isDictionaryOfType("", "/Marvin"));
+    assert(dict.isDictionaryOfType("", ""));
+    assert(!dict.isDictionaryOfType("/Test2", ""));
+    assert(!dict.isDictionaryOfType("/Test2", "/Marvin"));
+    assert(!dict.isDictionaryOfType("/Test", "/M"));
+    assert(!name.isDictionaryOfType("", ""));
+    dict = QPDFObjectHandle::parse("<</A 1 /Type null /Subtype /Marvin>>");
+    assert(!dict.isDictionaryOfType("/Test"));
+    dict = QPDFObjectHandle::parse("<</A 1 /Type (Test) /Subtype /Marvin>>");
+    assert(!dict.isDictionaryOfType("Test"));
+    dict = QPDFObjectHandle::parse("<</A 1 /Type /Test /Subtype (Marvin)>>");
+    assert(!dict.isDictionaryOfType("Test"));
+    dict = QPDFObjectHandle::parse("<</A 1 /Subtype /Marvin>>");
+    assert(!dict.isDictionaryOfType("/Test", "Marvin"));
+    auto stream = pdf.getObjectByID(1, 0);
+    assert(stream.isStreamOfType("/ObjStm"));
+    assert(!stream.isStreamOfType("/Test"));
+    assert(!pdf.getObjectByID(2, 0).isStreamOfType("/Pages"));
+    /* cSpell: ignore Blaah Blaaah Blaaaah */
+    auto array = QPDFObjectHandle::parse("/Blah /Blaah /Blaaah");
+    assert(array.isOrHasName("/Blah"));
+    assert(array.isOrHasName("/Blaaah"));
+    assert(!array.isOrHasName("/Blaaaah"));
+    assert(array.getArrayItem(0).isOrHasName("/Blah"));
+    assert(!array.getArrayItem(1).isOrHasName("/Blah"));
+    array = QPDFObjectHandle::parse("");
+    assert(!array.isOrHasName("/Blah"));
+    assert(!str.isOrHasName("/Marvin"));
+}
+
+static void
+test_83(QPDF& pdf, char const* arg2)
+{
+    // Test QPDFJob json with partial = false. For testing with
+    // partial = true, we just use qpdf --job-json-file.
+
+    QPDFJob j;
+    std::shared_ptr<char> file_buf;
+    size_t size;
+    QUtil::read_file_into_memory(arg2, file_buf, size);
+    try {
+        std::cout << "calling initializeFromJson" << std::endl;
+        j.initializeFromJson(std::string(file_buf.get(), size));
+        std::cout << "called initializeFromJson" << std::endl;
+    } catch (QPDFUsage& e) {
+        std::cerr << "usage: " << e.what() << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << "exception: " << e.what() << std::endl;
     }
-    else if (n == 61)
+}
+
+static void
+test_84(QPDF& pdf, char const* arg2)
+{
+    // Test QPDFJob API
+
+    std::cout << "normal" << std::endl;
     {
-        // Test to make sure exceptions can be caught properly across
-        // shared library boundaries.
-	pdf.setAttemptRecovery(false);
-        pdf.setSuppressWarnings(true);
-        try
-        {
-            pdf.processMemoryFile("empty", "", 0);
-        }
-        catch (QPDFExc& e)
-        {
-            std::cout << "Caught QPDFExc as expected" << std::endl;
-        }
-        try
-        {
-            QUtil::safe_fopen("/does/not/exist", "r");
-        }
-        catch (QPDFSystemError& e)
-        {
-            std::cout << "Caught QPDFSystemError as expected" << std::endl;
-        }
-        try
-        {
-            QUtil::int_to_string_base(0, 12);
-        }
-        catch (std::logic_error& e)
-        {
-            std::cout << "Caught logic_error as expected" << std::endl;
-        }
-        try
-        {
-            QUtil::toUTF8(0xffffffff);
-        }
-        catch (std::runtime_error& e)
-        {
-            std::cout << "Caught runtime_error as expected" << std::endl;
+        QPDFJob j;
+        j.config()
+            ->inputFile("minimal.pdf")
+            ->outputFile("a.pdf")
+            ->qdf()
+            ->deterministicId()
+            ->objectStreams("preserve")
+            ->progress()
+            ->checkConfiguration();
+        j.run();
+        assert(j.getExitCode() == 0);
+        assert(!j.hasWarnings());
+        assert(j.getEncryptionStatus() == 0);
+    }
+
+    std::cout << "custom progress reporter" << std::endl;
+    {
+        QPDFJob j;
+        j.registerProgressReporter((int p) {
+            std::cout << "custom write progress: " << p << "%" << std::endl;
+        });
+        j.config()
+            ->inputFile("minimal.pdf")
+            ->outputFile("a.pdf")
+            ->qdf()
+            ->deterministicId()
+            ->objectStreams("preserve")
+            ->progress()
+            ->checkConfiguration();
+        j.run();
+        assert(j.getExitCode() == 0);
+        assert(!j.hasWarnings());
+        assert(j.getEncryptionStatus() == 0);
+    }
+
+    std::cout << "error caught by check" << std::endl;
+    try {
+        QPDFJob j;
+        j.config()->outputFile("a.pdf")->qdf();
+        std::cout << "finished config" << std::endl;
+        j.checkConfiguration();
+        assert(false);
+    } catch (QPDFUsage& e) {
+        std::cout << "usage: " << e.what() << std::endl;
+    }
+
+    std::cout << "error caught by run" << std::endl;
+    try {
+        QPDFJob j;
+        j.config()->outputFile("a.pdf")->qdf();
+        std::cout << "finished config" << std::endl;
+        j.run();
+        assert(false);
+    } catch (QPDFUsage& e) {
+        std::cout << "usage: " << e.what() << std::endl;
+    }
+
+    std::cout << "output capture" << std::endl;
+    std::ostringstream cout;
+    std::ostringstream cerr;
+    {
+        QPDFJob j;
+#ifdef _MSC_VER
+# pragma warning(disable : 4996)
+#endif
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+        j.setOutputStreams(&cout, &cerr);
+#if (defined(__GNUC__) || defined(__clang__))
+# pragma GCC diagnostic pop
+#endif
+        j.config()
+            ->inputFile("bad2.pdf")
+            ->showObject("4,0")
+            ->checkConfiguration();
+        std::cout << "calling run" << std::endl;
+        j.run();
+        std::cout << "captured stdout" << std::endl;
+        std::cout << cout.str();
+        std::cout << "captured stderr" << std::endl;
+        std::cout << cerr.str();
+    }
+}
+
+static void
+test_85(QPDF& pdf, char const* arg2)
+{
+    // Test QPDFObjectHandle::getValueAs... accessors
+
+    auto oh_b = QPDFObjectHandle::newBool(false);
+    auto oh_i = QPDFObjectHandle::newInteger(1);
+    auto oh_i_maxplus =
+        QPDFObjectHandle::newInteger(QIntC::to_longlong(INT_MAX) + 1LL);
+    auto oh_i_umaxplus =
+        QPDFObjectHandle::newInteger(QIntC::to_longlong(UINT_MAX) + 1LL);
+    auto oh_i_minminus =
+        QPDFObjectHandle::newInteger(QIntC::to_longlong(INT_MIN) - 1LL);
+    auto oh_i_neg = QPDFObjectHandle::newInteger(-1);
+    auto oh_r = QPDFObjectHandle::newReal("42.0");
+    auto oh_n = QPDFObjectHandle::newName("/Test");
+    auto oh_s = QPDFObjectHandle::newString("/Test");
+    auto oh_o = QPDFObjectHandle::newOperator("/Test");
+    auto oh_ii = QPDFObjectHandle::newInlineImage("/Test");
+
+    bool b = true;
+    assert(oh_b.getValueAsBool(b));
+    assert(!b);
+    assert(!oh_i.getValueAsBool(b));
+    assert(!b);
+    long long li = 0LL;
+    assert(oh_i.getValueAsInt(li));
+    assert(li == 1LL);
+    assert(!oh_b.getValueAsInt(li));
+    assert(li == 1LL);
+    int i = 0;
+    assert(oh_i.getValueAsInt(i));
+    assert(i == 1);
+    assert(!oh_b.getValueAsInt(i));
+    assert(i == 1);
+    assert(oh_i_maxplus.getValueAsInt(i));
+    assert(i == INT_MAX);
+    assert(oh_i_minminus.getValueAsInt(i));
+    assert(i == INT_MIN);
+    unsigned long long uli = 0U;
+    assert(oh_i.getValueAsUInt(uli));
+    assert(uli == 1u);
+    assert(!oh_b.getValueAsUInt(uli));
+    assert(uli == 1u);
+    assert(oh_i_neg.getValueAsUInt(uli));
+    assert(uli == 0u);
+    unsigned int ui = 0U;
+    assert(oh_i.getValueAsUInt(ui));
+    assert(ui == 1u);
+    assert(!oh_b.getValueAsUInt(ui));
+    assert(ui == 1u);
+    assert(oh_i_neg.getValueAsUInt(ui));
+    assert(ui == 0u);
+    assert(oh_i_umaxplus.getValueAsUInt(ui));
+    assert(ui == UINT_MAX);
+    std::string s = "0";
+    assert(oh_r.getValueAsReal(s));
+    assert(s == "42.0");
+    assert(!oh_i.getValueAsReal(s));
+    assert(s == "42.0");
+    double num = 0.0;
+    assert(oh_i.getValueAsNumber(num));
+    assert(((num - 1.0) < 1e-6) && (num - 1.0 > -1e-6));
+    assert(oh_r.getValueAsNumber(num));
+    assert(((num - 42.0) < 1e-6) && (num - 42.0 > -1e-6));
+    assert(!oh_b.getValueAsNumber(num));
+    assert(((num - 42.0) < 1e-6) && (num - 42.0 > -1e-6));
+    s = "";
+    assert(oh_n.getValueAsName(s));
+    assert(s == "/Test");
+    assert(!oh_r.getValueAsName(s));
+    assert(s == "/Test");
+    s = "";
+    assert(oh_s.getValueAsUTF8(s));
+    assert(s == "/Test");
+    assert(!oh_r.getValueAsUTF8(s));
+    assert(s == "/Test");
+    s = "";
+    assert(oh_s.getValueAsUTF8(s));
+    assert(s == "/Test");
+    assert(!oh_r.getValueAsUTF8(s));
+    assert(s == "/Test");
+    s = "";
+    assert(oh_o.getValueAsOperator(s));
+    assert(s == "/Test");
+    assert(!oh_r.getValueAsOperator(s));
+    assert(s == "/Test");
+    s = "";
+    assert(oh_ii.getValueAsInlineImage(s));
+    assert(s == "/Test");
+    assert(!oh_r.getValueAsInlineImage(s));
+    assert(s == "/Test");
+}
+
+static void
+test_86(QPDF& pdf, char const* arg2)
+{
+    // Test symmetry between newUnicodeString and getUTF8Value for
+    // strings that can't be encoded as PDFDoc but don't contain any
+    // high code points.
+
+    std::string utf8_val("\x1f");
+    std::string utf16_val("\xfe\xff\x00\x1f", 4);
+    std::string result;
+    assert(QUtil::utf8_to_ascii(utf8_val, result, '?'));
+    assert(result == utf8_val);
+    assert(!QUtil::utf8_to_pdf_doc(utf8_val, result, '?'));
+    assert(result == "?");
+    assert(QUtil::utf8_to_utf16(utf8_val) == utf16_val);
+    assert(QUtil::utf16_to_utf8(utf16_val) == utf8_val);
+    auto h = QPDFObjectHandle::newUnicodeString(utf8_val);
+    assert(h.getStringValue() == utf16_val);
+    assert(h.getUTF8Value() == utf8_val);
+}
+
+static void
+test_87(QPDF& pdf, char const* arg2)
+{
+    // Explicitly demonstrate null dictionary values being the same as
+    // missing keys.
+    auto dict = "<< /A 1 /B null >>"_qpdf;
+    assert(dict.unparse() == "<< /A 1 >>");
+    assert(dict.getKeys() == std::set<std::string>({"/A"}));
+    dict.replaceKey("/A", QPDFObjectHandle::newNull());
+    assert(dict.unparse() == "<< >>");
+    assert(dict.getKeys() == std::set<std::string>());
+    dict = QPDFObjectHandle::newDictionary({
+        {"/A", "2"_qpdf},
+        {"/B", QPDFObjectHandle::newNull()},
+    });
+    assert(dict.unparse() == "<< /A 2 >>");
+    assert(dict.getKeys() == std::set<std::string>({"/A"}));
+    assert(dict.getJSON(JSON::LATEST).unparse() == "{\n  \"/A\": 2\n}");
+}
+
+static void
+test_88(QPDF& pdf, char const* arg2)
+{
+    // Exercise mutate and get methods added for qpdf 11.
+    auto dict = QPDFObjectHandle::newDictionary();
+    dict.replaceKey("/One", QPDFObjectHandle::newInteger(1));
+    dict.replaceKey("/Two", QPDFObjectHandle::newInteger(2));
+    auto three =
+        dict.replaceKeyAndGetNew("/Three", QPDFObjectHandle::newArray());
+    three.appendItem("(a)"_qpdf);
+    three.appendItem("(b)"_qpdf);
+    auto newdict = three.appendItemAndGetNew(QPDFObjectHandle::newDictionary());
+    newdict.replaceKey("/Z", "/Y"_qpdf);
+    newdict.replaceKey("/X", "/W"_qpdf);
+    dict.replaceKey("/Quack", "1 2 3"_qpdf);
+    auto quack = dict.replaceKeyAndGetOld("/Quack", "/Moo"_qpdf);
+    assert(quack.unparse() == " 1 2 3 ");
+    auto nothing =
+        dict.replaceKeyAndGetOld("/NotThere", QPDFObjectHandle::newNull());
+    assert(nothing.isNull());
+    assert(dict.unparse() == R"(
+      <<
+        /One 1
+        /Quack /Moo
+        /Two 2
+        /Three  (a) (b) << /Z /Y /X /W >> 
+      >>
+    )"_qpdf.unparse());
+    auto arr = dict.getKey("/Three");
+    arr.insertItem(0, QPDFObjectHandle::newString("0"));
+    arr.insertItem(0, QPDFObjectHandle::newString("00"));
+    assert(
+        arr.unparse() ==
+        " (00) (0) (a) (b) << /Z /Y /X /W >> "_qpdf.unparse());
+    auto new_dict = arr.insertItemAndGetNew(1, "<< /P /Q /R /S >>"_qpdf);
+    arr.eraseItem(2);
+    arr.eraseItem(0);
+    assert(
+        arr.unparse() ==
+        " << /P /Q /R /S >> (a) (b) << /Z /Y /X /W >> "_qpdf.unparse());
+
+    // new_dict shares internals with the one in the array. It has
+    // always been this way, and there is code that relies on this
+    // behavior. Maybe it would be different if I could start over
+    // again...
+    new_dict.removeKey("/R");
+    new_dict.replaceKey("/T", "/U"_qpdf);
+    assert(
+        arr.unparse() ==
+        " << /P /Q /T /U >> (a) (b) << /Z /Y /X /W >> "_qpdf.unparse());
+    auto s = arr.eraseItemAndGetOld(1);
+    assert(s.unparse() == "(a)");
+    assert(
+        arr.unparse() ==
+        " << /P /Q /T /U >> (b) << /Z /Y /X /W >> "_qpdf.unparse());
+
+    assert(new_dict.removeKeyAndGetOld("/M").isNull());
+    assert(new_dict.removeKeyAndGetOld("/P").unparse() == "/Q");
+    assert(new_dict.unparse() == "<< /T /U >>"_qpdf.unparse());
+
+    // Test errors
+    auto arr2 = pdf.getRoot().replaceKeyAndGetNew("/QTest", "1 2"_qpdf);
+    arr2.setObjectDescription(&pdf, "test array");
+    assert(arr2.eraseItemAndGetOld(50).isNull());
+}
+
+static void
+test_89(QPDF& pdf, char const* arg2)
+{
+    // Generate object warning with json-input. Crafted to work with
+    // manual-qpdf-json.json.
+    auto null = QPDFObjectHandle::newNull();
+    pdf.getTrailer().appendItem(null);
+    pdf.getRoot().appendItem(null);
+    pdf.getObjectByID(5, 0).replaceKey("/X", null);
+    pdf.getObjectByID(5, 0).getArrayItem(0).replaceKey("/X", null);
+}
+
+static void
+test_90(QPDF& pdf, char const* arg2)
+{
+    // Generate object warning with update-from-json. Crafted to work
+    // with good13.pdf and various-updates.json. JSON file is arg2.
+    pdf.updateFromJSON(arg2);
+    pdf.getTrailer().appendItem(QPDFObjectHandle::newNull());
+    pdf.getTrailer().getKey("/QTest").appendItem(QPDFObjectHandle::newNull());
+    pdf.getTrailer().getKey("/QTest").getKey("/strings").getIntValue();
+    // not from json
+    pdf.getRoot().appendItem(QPDFObjectHandle::newNull());
+}
+
+static void
+test_91(QPDF& pdf, char const* arg2)
+{
+    // Exercise the simpler version of writeJSON.
+    Pl_StdioFile p("stdout", stdout);
+    pdf.writeJSON(
+        2, &p, qpdf_dl_none, qpdf_sj_inline, "", std::set<std::string>());
+}
+
+static void
+test_92(QPDF& pdf, char const* arg2)
+{
+    // Exercise indirect objects owned by destroyed QPDF object.
+    auto qpdf = QPDF::create();
+    qpdf->processFile("minimal.pdf");
+    auto root = qpdf->getRoot();
+    assert(root.getOwningQPDF() == qpdf.get());
+    assert(root.isIndirect());
+    assert(root.isDictionary());
+    auto page1 = root.getKey("/Pages").getKey("/Kids").getArrayItem(0);
+    assert(page1.getOwningQPDF() == qpdf.get());
+    assert(page1.isIndirect());
+    assert(page1.isDictionary());
+    auto resources = page1.getKey("/Resources");
+    assert(resources.getOwningQPDF() == qpdf.get());
+    assert(resources.isDictionary());
+    assert(!resources.isIndirect());
+    auto contents = page1.getKey("/Contents");
+    auto contents_dict = contents.getDict();
+    qpdf = nullptr;
+    auto check = (QPDFObjectHandle& oh) {
+        assert(oh.getOwningQPDF() == nullptr);
+        assert(!oh.isIndirect());
+    };
+    // All objects should no longer have an owning QPDF or be indirect.
+    check(root);
+    check(page1);
+    check(resources);
+    check(contents);
+    check(contents_dict);
+    // Objects that were originally indirect should be destroyed.
+    // Otherwise, they should have retained their old values but just
+    // lost their connection to the owning QPDF.
+    assert(root.isDestroyed());
+    assert(page1.isDestroyed());
+    assert(contents.isDestroyed());
+    assert(resources.isDictionary());
+    assert(contents_dict.isDictionary());
+    try {
+        root.unparse();
+        assert(false);
+    } catch (std::logic_error&) {
+        // Expected
+    }
+}
+
+static void
+test_93(QPDF& pdf, char const* arg2)
+{
+    // Test QPDFObjectHandle equality. Two QPDFObjectHandle objects
+    // are equal if they point to the same underlying object.
+
+    auto trailer = pdf.getTrailer();
+    auto root1 = trailer.getKey("/Root");
+    auto root2 = pdf.getRoot();
+    assert(root1.isSameObjectAs(root2));
+    auto oh1 = "<< /One /Two >>"_qpdf;
+    auto oh2 = oh1;
+    assert(oh1.isSameObjectAs(oh2));
+    auto oh3 = "<< /One /Two >>"_qpdf;
+    assert(!oh1.isSameObjectAs(oh3));
+    oh2.replaceKey("/One", "/Three"_qpdf);
+    assert(oh1.isSameObjectAs(oh2));
+    assert(oh2.unparse() == "<< /One /Three >>");
+    assert(!oh1.isIndirect());
+    auto oh4 = pdf.makeIndirectObject(oh1);
+    assert(oh1.isSameObjectAs(oh4));
+    assert(oh1.isIndirect());
+    assert(oh4.isIndirect());
+    trailer.replaceKey("/Potato", oh1);
+    assert(trailer.getKey("/Potato").isSameObjectAs(oh2));
+}
+
+static void
+test_94(QPDF& pdf, char const* arg2)
+{
+    // Exercise methods to get page boxes. This test is built for
+    // boxes2.pdf.
+
+    // /MediaBox is present in the pages tree root.
+    // Each page has the following boxes present directly:
+    // 1. none
+    // 2. crop
+    // 3. media, crop
+    // 4. media, crop, trim, bleed; crop is indirect
+    // 5. trim, art
+
+    auto pages_root = pdf.getRoot().getKey("/Pages");
+    auto root_media = pages_root.getKey("/MediaBox");
+    auto root_media_unparse = root_media.unparse();
+    auto pages = QPDFPageDocumentHelper(pdf).getAllPages();
+    assert(pages.size() == 5);
+    auto& p1 = pages0;
+    auto& p2 = pages1;
+    auto& p3 = pages2;
+    auto& p4 = pages3;
+    auto& p5 = pages4;
+
+    assert(p1.getObjectHandle().getKey("/MediaBox").isNull());
+    // MediaBox not present, so get inherited one
+    assert(p1.getMediaBox(false).isSameObjectAs(root_media));
+    // Other boxesBox not present, so fall back to MediaBox
+    assert(p1.getCropBox(false, false).isSameObjectAs(root_media));
+    assert(p1.getBleedBox(false, false).isSameObjectAs(root_media));
+    assert(p1.getTrimBox(false, false).isSameObjectAs(root_media));
+    assert(p1.getArtBox(false, false).isSameObjectAs(root_media));
+    // Make copy of artbox
+    auto p1_new_art = p1.getArtBox(false, true);
+    assert(p1_new_art.unparse() == root_media_unparse);
+    assert(!p1_new_art.isSameObjectAs(root_media));
+    // This also copied cropbox
+    auto p1_new_crop = p1.getCropBox(false, false);
+    assert(!p1_new_crop.isSameObjectAs(root_media));
+    assert(!p1_new_crop.isSameObjectAs(p1_new_art));
+    assert(p1_new_crop.unparse() == root_media_unparse);
+    // But it didn't copy Media
+    assert(p1.getMediaBox(false).isSameObjectAs(root_media));
+    // Now fall back to new crop
+    assert(p1.getTrimBox(false, false).isSameObjectAs(p1_new_crop));
+    // Request copy. The value returned has the same structure but is
+    // a different object.
+    auto p1_effective_media = p1.getMediaBox(true);
+    assert(p1_effective_media.unparse() == root_media_unparse);
+    assert(!p1_effective_media.isSameObjectAs(root_media));
+
+    // copy_on_fallback didn't have to copy media to crop
+    assert(p2.getMediaBox(false).isSameObjectAs(root_media));
+    auto p2_crop = p2.getCropBox(false, false);
+    auto p2_new_trim = p2.getTrimBox(false, true);
+    assert(p2_new_trim.unparse() == p2_crop.unparse());
+    assert(!p2_new_trim.isSameObjectAs(p2_crop));
+    assert(p2.getMediaBox(false).isSameObjectAs(root_media));
+
+    // We didn't need to copy anything
+    auto p3_media = p3.getMediaBox(false);
+    auto p3_crop = p3.getCropBox(false, false);
+    assert(p3.getMediaBox(true).isSameObjectAs(p3_media));
+    assert(p3.getCropBox(true, true).isSameObjectAs(p3_crop));
+
+    // We didn't have to copy for bleed but we did for art
+    auto p4_orig_crop = p4.getObjectHandle().getKey("/CropBox");
+    auto p4_crop = p4.getCropBox(false, false);
+    assert(p4_orig_crop.isSameObjectAs(p4_crop));
+    auto p4_bleed1 = p4.getBleedBox(false, false);
+    auto p4_bleed2 = p4.getBleedBox(false, true);
+    assert(!p4_bleed1.isSameObjectAs(p4_crop));
+    assert(p4_bleed1.isSameObjectAs(p4_bleed2));
+    auto p4_art1 = p4.getArtBox(false, false);
+    assert(p4_art1.isSameObjectAs(p4_crop));
+    auto p4_art2 = p4.getArtBox(false, true);
+    assert(!p4_art2.isSameObjectAs(p4_crop));
+    auto p4_new_crop = p4.getCropBox(true, false);
+    assert(!p4_new_crop.isSameObjectAs(p4_orig_crop));
+    assert(p4_orig_crop.isIndirect());
+    assert(!p4_new_crop.isIndirect());
+    assert(p4_new_crop.unparse() == p4_orig_crop.unparseResolved());
+
+    // Exercise copying for inheritance and fallback
+    assert(p5.getMediaBox(false).isSameObjectAs(root_media));
+    assert(p5.getCropBox(false, false).isSameObjectAs(root_media));
+    assert(p5.getBleedBox(false, false).isSameObjectAs(root_media));
+    auto p5_new_bleed = p5.getBleedBox(true, true);
+    auto p5_new_media = p5.getMediaBox(false);
+    auto p5_new_crop = p5.getCropBox(false, false);
+    assert(!p5_new_media.isSameObjectAs(root_media));
+    assert(!p5_new_crop.isSameObjectAs(root_media));
+    assert(!p5_new_crop.isSameObjectAs(p5_new_media));
+    assert(!p5_new_bleed.isSameObjectAs(root_media));
+    assert(!p5_new_bleed.isSameObjectAs(p5_new_media));
+    assert(!p5_new_bleed.isSameObjectAs(p5_new_crop));
+    assert(p5_new_media.unparse() == root_media_unparse);
+    assert(p5_new_crop.unparse() == root_media_unparse);
+    assert(p5_new_bleed.unparse() == root_media_unparse);
+}
+
+void
+runtest(int n, char const* filename1, char const* arg2)
+{
+    // Most tests here are crafted to work on specific files.  Look at
+    // the test suite to see how the test is invoked to find the file
+    // that the test is supposed to operate on.
+
+    std::set<int> ignore_filename = {61, 81, 83, 84, 85, 86, 87, 92};
+
+    if (n == 0) {
+        // Throw in some random test cases that don't fit anywhere
+        // else.  This is in addition to whatever else is going on in
+        // test 0.
+
+        // The code to trim user passwords looks for 0x28 (which is
+        // "(") since it marks the beginning of the padding.  Exercise
+        // the code to make sure it skips over 0x28 characters that
+        // aren't part of padding.
+        std::string password("1234567890123456789012(45678\x28\xbf\x4e\x5e");
+        assert(password.length() == 32);
+        QPDF::trim_user_password(password);
+        assert(password == "1234567890123456789012(45678");
+
+        QPDFObjectHandle uninitialized;
+        assert(uninitialized.getTypeCode() == ::ot_uninitialized);
+        assert(strcmp(uninitialized.getTypeName(), "uninitialized") == 0);
+
+        // ABI: until QPDF 12, spot check deprecated constants
+        assert(QPDFObject::ot_dictionary == ::ot_dictionary);
+        assert(QPDFObject::ot_uninitialized == ::ot_uninitialized);
+    }
+
+    QPDF pdf;
+    std::shared_ptr<char> file_buf;
+    FILE* filep = 0;
+    if (n == 0) {
+        pdf.setAttemptRecovery(false);
+    }
+    if (((n == 35) || (n == 36)) && (arg2 != 0)) {
+        // arg2 is password
+        pdf.processFile(filename1, arg2);
+    } else if (n == 45) {
+        // Decode obfuscated files. To obfuscated, run the input file
+        // through this perl script, and save the result to
+        // filename.obfuscated. This pretends that the input was
+        // called filename.pdf and that that file contained the
+        // deobfuscated version.
+
+        // undef $/;
+        // my @str = split('', <STDIN>);
+        // for (my $i = 0; $i < scalar(@str); ++$i)
+        // {
+        //     $str$i = chr(ord($str$i) ^ 0xcc);
+        // }
+        // print(join('', @str));
+
+        std::string filename(std::string(filename1) + ".obfuscated");
+        size_t size = 0;
+        QUtil::read_file_into_memory(filename.c_str(), file_buf, size);
+        char* p = file_buf.get();
+        for (size_t i = 0; i < size; ++i) {
+            pi = static_cast<char>(pi ^ 0xcc);
+        }
+        pdf.processMemoryFile(
+            (std::string(filename1) + ".pdf").c_str(), p, size);
+    } else if (ignore_filename.count(n)) {
+        // Ignore filename argument entirely
+    } else if (n == 89) {
+        pdf.createFromJSON(filename1);
+    } else if (n % 2 == 0) {
+        if (n % 4 == 0) {
+            QTC::TC("qpdf", "exercise processFile(name)");
+            pdf.processFile(filename1);
+        } else {
+            QTC::TC("qpdf", "exercise processFile(FILE*)");
+            filep = QUtil::safe_fopen(filename1, "rb");
+            pdf.processFile(filename1, filep, false);
         }
+    } else {
+        QTC::TC("qpdf", "exercise processMemoryFile");
+        size_t size = 0;
+        QUtil::read_file_into_memory(filename1, file_buf, size);
+        pdf.processMemoryFile(filename1, file_buf.get(), size);
     }
-    else
-    {
-	throw std::runtime_error(std::string("invalid test ") +
-				 QUtil::int_to_string(n));
+
+    std::map<int, void (*)(QPDF&, char const*)> test_functions = {
+        {0, test_0_1}, {1, test_0_1}, {2, test_2},   {3, test_3},
+        {4, test_4},   {5, test_5},   {6, test_6},   {7, test_7},
+        {8, test_8},   {9, test_9},   {10, test_10}, {11, test_11},
+        {12, test_12}, {13, test_13}, {14, test_14}, {15, test_15},
+        {16, test_16}, {17, test_17}, {18, test_18}, {19, test_19},
+        {20, test_20}, {21, test_21}, {22, test_22}, {23, test_23},
+        {24, test_24}, {25, test_25}, {26, test_26}, {27, test_27},
+        {28, test_28}, {29, test_29}, {30, test_30}, {31, test_31},
+        {32, test_32}, {33, test_33}, {34, test_34}, {35, test_35},
+        {36, test_36}, {37, test_37}, {38, test_38}, {39, test_39},
+        {40, test_40}, {41, test_41}, {42, test_42}, {43, test_43},
+        {44, test_44}, {45, test_45}, {46, test_46}, {47, test_47},
+        {48, test_48}, {49, test_49}, {50, test_50}, {51, test_51},
+        {52, test_52}, {53, test_53}, {54, test_54}, {55, test_55},
+        {56, test_56}, {57, test_57}, {58, test_58}, {59, test_59},
+        {60, test_60}, {61, test_61}, {62, test_62}, {63, test_63},
+        {64, test_64}, {65, test_65}, {66, test_66}, {67, test_67},
+        {68, test_68}, {69, test_69}, {70, test_70}, {71, test_71},
+        {72, test_72}, {73, test_73}, {74, test_74}, {75, test_75},
+        {76, test_76}, {77, test_77}, {78, test_78}, {79, test_79},
+        {80, test_80}, {81, test_81}, {82, test_82}, {83, test_83},
+        {84, test_84}, {85, test_85}, {86, test_86}, {87, test_87},
+        {88, test_88}, {89, test_89}, {90, test_90}, {91, test_91},
+        {92, test_92}, {93, test_93}, {94, test_94}};
+
+    auto fn = test_functions.find(n);
+    if (fn == test_functions.end()) {
+        throw std::runtime_error(
+            std::string("invalid test ") + QUtil::int_to_string(n));
     }
+    (fn->second)(pdf, arg2);
 
-    if (filep)
-    {
+    if (filep) {
         fclose(filep);
     }
     std::cout << "test " << n << " done" << std::endl;
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     QUtil::setLineBuf(stdout);
-    if ((whoami = strrchr(argv0, '/')) == NULL)
-    {
-	whoami = argv0;
-    }
-    else
-    {
-	++whoami;
-    }
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((whoami = strrchr(argv0, '/')) == NULL) {
+        whoami = argv0;
+    } else {
+        ++whoami;
     }
 
-    if ((argc < 3) || (argc > 4))
-    {
-	usage();
+    if ((argc < 3) || (argc > 4)) {
+        usage();
     }
 
-    try
-    {
-	int n = QUtil::string_to_int(argv1);
-	char const* filename1 = argv2;
+    try {
+        int n = QUtil::string_to_int(argv1);
+        char const* filename1 = argv2;
         char const* arg2 = argv3;
-	runtest(n, filename1, arg2);
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+        runtest(n, filename1, arg2);
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/test_large_file.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_large_file.cc Changed

@@ -1,18 +1,20 @@
+#include <qpdf/assert_test.h>
+
 // NOTE: This test program doesn't do anything special to enable large
 // file support.  This is important since it verifies that programs
 // don't have to do anything special -- all the work is done
 // internally by the library as long as they don't do their own file
 // I/O.
 
+#include <qpdf/QIntC.hh>
 #include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFWriter.hh>
-#include <qpdf/QPDFObjectHandle.hh>
 #include <qpdf/QUtil.hh>
 #include <iostream>
-#include <string.h>
 #include <stdlib.h>
-#include <assert.h>
+#include <string.h>
 
 // Run "test_large_file write small a.pdf" to get a PDF file that you
 // can look at in a reader.
@@ -36,37 +38,41 @@
 static char const* whoami = 0;
 
 // Height should be a multiple of 10
-static int const nstripes = 10;
-static int const stripesize_large = 500;
-static int const stripesize_small = 5;
-static int const npages = 200;
+static size_t const nstripes = 10;
+static size_t const stripesize_large = 500;
+static size_t const stripesize_small = 5;
+static size_t const npages = 200;
 
 // initialized in main
-int stripesize = 0;
-int width = 0;
-int height = 0;
+size_t stripesize = 0;
+size_t width = 0;
+size_t height = 0;
 static unsigned char* buf = 0;
 
-static inline unsigned char get_pixel_color(int n, size_t row)
+static inline unsigned char
+get_pixel_color(size_t n, size_t row)
 {
-    return (n & (1 << (nstripes - 1 - row))) ? '\xc0' : '\x40';
+    return (
+        (n & (1LLU << (nstripes - 1LLU - row)))
+            ? static_cast<unsigned char>('\xc0')
+            : static_cast<unsigned char>('\x40'));
 }
 
 class ImageChecker: public Pipeline
 {
   public:
-    ImageChecker(int n);
-    virtual ~ImageChecker();
-    virtual void write(unsigned char* data, size_t len);
+    ImageChecker(size_t n);
+    virtual ~ImageChecker() = default;
+    virtual void write(unsigned char const* data, size_t len);
     virtual void finish();
 
   private:
-    int n;
+    size_t n;
     size_t offset;
     bool okay;
 };
 
-ImageChecker::ImageChecker(int n) :
+ImageChecker::ImageChecker(size_t n) :
     Pipeline("image checker", 0),
     n(n),
     offset(0),
@@ -74,19 +80,13 @@
 {
 }
 
-ImageChecker::~ImageChecker()
-{
-}
-
 void
-ImageChecker::write(unsigned char* data, size_t len)
+ImageChecker::write(unsigned char const* data, size_t len)
 {
-    for (size_t i = 0; i < len; ++i)
-    {
+    for (size_t i = 0; i < len; ++i) {
         size_t y = (this->offset + i) / width / stripesize;
         unsigned char color = get_pixel_color(n, y);
-        if (datai != color)
-        {
+        if (datai != color) {
             okay = false;
         }
     }
@@ -96,8 +96,7 @@
 void
 ImageChecker::finish()
 {
-    if (! okay)
-    {
+    if (!okay) {
         std::cout << "errors found checking image data for page " << n
                   << std::endl;
     }
@@ -106,35 +105,28 @@
 class ImageProvider: public QPDFObjectHandle::StreamDataProvider
 {
   public:
-    ImageProvider(int n);
-    virtual ~ImageProvider();
-    virtual void provideStreamData(int objid, int generation,
-				   Pipeline* pipeline);
+    ImageProvider(size_t n);
+    virtual ~ImageProvider() = default;
+    virtual void
+    provideStreamData(int objid, int generation, Pipeline* pipeline);
 
   private:
-    int n;
+    size_t n;
 };
 
-ImageProvider::ImageProvider(int n) :
+ImageProvider::ImageProvider(size_t n) :
     n(n)
 {
 }
 
-ImageProvider::~ImageProvider()
-{
-}
-
 void
-ImageProvider::provideStreamData(int objid, int generation,
-                                 Pipeline* pipeline)
+ImageProvider::provideStreamData(int objid, int generation, Pipeline* pipeline)
 {
-    if (buf == 0)
-    {
+    if (buf == 0) {
         buf = new unsigned charwidth * stripesize;
     }
     std::cout << "page " << n << " of " << npages << std::endl;
-    for (int y = 0; y < nstripes; ++y)
-    {
+    for (size_t y = 0; y < nstripes; ++y) {
         unsigned char color = get_pixel_color(n, y);
         memset(buf, color, width * stripesize);
         pipeline->write(buf, width * stripesize);
@@ -142,52 +134,59 @@
     pipeline->finish();
 }
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " {read|write} {large|small} outfile"
               << std::endl;
     exit(2);
 }
 
-static void set_parameters(bool large)
+static void
+set_parameters(bool large)
 {
     stripesize = large ? stripesize_large : stripesize_small;
     height = nstripes * stripesize;
     width = height;
 }
 
-std::string generate_page_contents(int pageno)
+std::string
+generate_page_contents(size_t pageno)
 {
-    std::string contents =
-        "BT /F1 24 Tf 72 720 Td (page " +  QUtil::int_to_string(pageno) +
+    std::string contents = "BT /F1 24 Tf 72 720 Td (page " +
+        QUtil::uint_to_string(pageno) +
         ") Tj ET\n"
         "q 468 0 0 468 72 72 cm /Im1 Do Q\n";
     return contents;
 }
 
-static QPDFObjectHandle create_page_contents(QPDF& pdf, int pageno)
+static QPDFObjectHandle
+create_page_contents(QPDF& pdf, size_t pageno)
 {
     return QPDFObjectHandle::newStream(&pdf, generate_page_contents(pageno));
 }
 
-QPDFObjectHandle newName(std::string const& name)
+QPDFObjectHandle
+newName(std::string const& name)
 {
     return QPDFObjectHandle::newName(name);
 }
 
-QPDFObjectHandle newInteger(int val)
+QPDFObjectHandle
+newInteger(size_t val)
 {
-    return QPDFObjectHandle::newInteger(val);
+    return QPDFObjectHandle::newInteger(QIntC::to_longlong(val));
 }
 
-static void create_pdf(char const* filename)
+static void
+create_pdf(char const* filename)
 {
     QPDF pdf;
 
     pdf.emptyPDF();
 
-    QPDFObjectHandle font = pdf.makeIndirectObject(
-        QPDFObjectHandle::newDictionary());
+    QPDFObjectHandle font =
+        pdf.makeIndirectObject(QPDFObjectHandle::newDictionary());
     font.replaceKey("/Type", newName("/Font"));
     font.replaceKey("/Subtype", newName("/Type1"));
     font.replaceKey("/Name", newName("/F1"));
@@ -210,8 +209,7 @@
     mediabox.appendItem(newInteger(792));
 
     QPDFPageDocumentHelper dh(pdf);
-    for (int pageno = 1; pageno <= npages; ++pageno)
-    {
+    for (size_t pageno = 1; pageno <= npages; ++pageno) {
         QPDFObjectHandle image = QPDFObjectHandle::newStream(&pdf);
         QPDFObjectHandle image_dict = image.getDict();
         image_dict.replaceKey("/Type", newName("/XObject"));
@@ -221,10 +219,9 @@
         image_dict.replaceKey("/Width", newInteger(width));
         image_dict.replaceKey("/Height", newInteger(height));
         ImageProvider* p = new ImageProvider(pageno);
-        PointerHolder<QPDFObjectHandle::StreamDataProvider> provider(p);
-        image.replaceStreamData(provider,
-                                QPDFObjectHandle::newNull(),
-                                QPDFObjectHandle::newNull());
+        std::shared_ptr<QPDFObjectHandle::StreamDataProvider> provider(p);
+        image.replaceStreamData(
+            provider, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
 
         QPDFObjectHandle xobject = QPDFObjectHandle::newDictionary();
         xobject.replaceKey("/Im1", image);
@@ -236,8 +233,8 @@
 
         QPDFObjectHandle contents = create_page_contents(pdf, pageno);
 
-        QPDFObjectHandle page = pdf.makeIndirectObject(
-            QPDFObjectHandle::newDictionary());
+        QPDFObjectHandle page =
+            pdf.makeIndirectObject(QPDFObjectHandle::newDictionary());
         page.replaceKey("/Type", newName("/Page"));
         page.replaceKey("/MediaBox", mediabox);
         page.replaceKey("/Contents", contents);
@@ -247,30 +244,28 @@
     }
 
     QPDFWriter w(pdf, filename);
-    w.setStaticID(true);    // for testing only
+    w.setStaticID(true); // for testing only
     w.setStreamDataMode(qpdf_s_preserve);
     w.setObjectStreamMode(qpdf_o_disable);
     w.write();
 }
 
-static void check_page_contents(int pageno, QPDFObjectHandle page)
+static void
+check_page_contents(size_t pageno, QPDFObjectHandle page)
 {
-    PointerHolder<Buffer> buf =
-        page.getKey("/Contents").getStreamData();
+    std::shared_ptr<Buffer> buf = page.getKey("/Contents").getStreamData();
     std::string actual_contents =
-        std::string(reinterpret_cast<char *>(buf->getBuffer()),
-                    buf->getSize());
+        std::string(reinterpret_cast<char*>(buf->getBuffer()), buf->getSize());
     std::string expected_contents = generate_page_contents(pageno);
-    if (expected_contents != actual_contents)
-    {
+    if (expected_contents != actual_contents) {
         std::cout << "page contents wrong for page " << pageno << std::endl
                   << "ACTUAL: " << actual_contents
-                  << "EXPECTED: " << expected_contents
-                  << "----\n";
+                  << "EXPECTED: " << expected_contents << "----\n";
     }
 }
 
-static void check_image(int pageno, QPDFObjectHandle page)
+static void
+check_image(size_t pageno, QPDFObjectHandle page)
 {
     QPDFObjectHandle image =
         page.getKey("/Resources").getKey("/XObject").getKey("/Im1");
@@ -278,34 +273,29 @@
     image.pipeStreamData(&ic, 0, qpdf_dl_specialized);
 }
 
-static void check_pdf(char const* filename)
+static void
+check_pdf(char const* filename)
 {
     QPDF pdf;
     pdf.processFile(filename);
     std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
-    assert(pages.size() == static_cast<size_t>(npages));
-    for (int i = 0; i < npages; ++i)
-    {
-        int pageno = i + 1;
+    assert(pages.size() == QIntC::to_size(npages));
+    for (size_t i = 0; i < npages; ++i) {
+        size_t pageno = i + 1;
         std::cout << "page " << pageno << " of " << npages << std::endl;
         check_page_contents(pageno, pages.at(i));
         check_image(pageno, pages.at(i));
     }
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     whoami = QUtil::getWhoami(argv0);
     QUtil::setLineBuf(stdout);
 
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
-    }
-    if (argc != 4)
-    {
-	usage();
+    if (argc != 4) {
+        usage();
     }
     char const* operation = argv1;
     char const* size = argv2;
@@ -314,52 +304,36 @@
     bool op_write = false;
     bool size_large = false;
 
-    if (strcmp(operation, "write") == 0)
-    {
+    if (strcmp(operation, "write") == 0) {
         op_write = true;
-    }
-    else if (strcmp(operation, "read") == 0)
-    {
+    } else if (strcmp(operation, "read") == 0) {
         op_write = false;
-    }
-    else
-    {
+    } else {
         usage();
     }
 
-    if (strcmp(size, "large") == 0)
-    {
+    if (strcmp(size, "large") == 0) {
         size_large = true;
-    }
-    else if (strcmp(size, "small") == 0)
-    {
+    } else if (strcmp(size, "small") == 0) {
         size_large = false;
-    }
-    else
-    {
+    } else {
         usage();
     }
 
     set_parameters(size_large);
 
-    try
-    {
-        if (op_write)
-        {
+    try {
+        if (op_write) {
             create_pdf(filename);
-        }
-        else
-        {
+        } else {
             check_pdf(filename);
         }
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        exit(2);
     }
 
-    delete  buf;
+    delete buf;
 
     return 0;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_many_nulls.cc Added

@@ -0,0 +1,42 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QUtil.hh>
+#include <cstdlib>
+#include <iostream>
+
+int
+main(int argc, char* argv)
+{
+    auto whoami = QUtil::getWhoami(argv0);
+    if (argc != 2) {
+        std::cerr << "Usage: " << whoami << " outfile.pdf" << std::endl;
+        exit(2);
+    }
+    char const* outfile = argv1;
+
+    // Create a file with lots of arrays containing very large numbers
+    // of nulls. Prior to qpdf 9.0.0, qpdf had a lot of trouble with
+    // this kind of file. This program is used to generate a file that
+    // can be used in the test suite and performance benchmarking.
+    QPDF q;
+    q.emptyPDF();
+    auto null = QPDFObjectHandle::newNull();
+    auto top = ""_qpdf;
+    for (int i = 0; i < 20; ++i) {
+        auto inner = ""_qpdf;
+        for (int j = 0; j < 20000; ++j) {
+            inner.appendItem(null);
+        }
+        top.appendItem(inner);
+    }
+    q.getTrailer().replaceKey("/Nulls", q.makeIndirectObject(top));
+    auto page = "<< /Type /Page /MediaBox 0 0 612 792 >>"_qpdf;
+    page = q.makeIndirectObject(page);
+    q.getRoot().getKey("/Pages").getKey("/Kids").appendItem(page);
+    QPDFWriter w(q, outfile);
+    w.setObjectStreamMode(qpdf_o_generate);
+    w.setDeterministicID(true);
+    w.write();
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_parsedoffset.cc Added

@@ -0,0 +1,152 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+
+#include <algorithm>
+#include <cstdlib>
+#include <iostream>
+#include <map>
+#include <set>
+#include <sstream>
+#include <string>
+#include <vector>
+
+void
+usage()
+{
+    std::cerr << "Usage: test_parsedoffset INPUT.pdf" << std::endl;
+}
+
+std::string
+make_objdesc(qpdf_offset_t offset, QPDFObjectHandle obj)
+{
+    std::stringstream ss;
+    ss << "offset = " << offset << " (0x" << std::hex << offset << std::dec
+       << "), ";
+
+    if (obj.isIndirect()) {
+        ss << "indirect " << obj.getObjectID() << "/" << obj.getGeneration()
+           << ", ";
+    } else {
+        ss << "direct, ";
+    }
+
+    ss << obj.getTypeName();
+
+    return ss.str();
+}
+
+void
+walk(
+    size_t stream_number,
+    QPDFObjectHandle obj,
+    std::vector<std::vector<std::pair<qpdf_offset_t, std::string>>>& result)
+{
+    qpdf_offset_t offset = obj.getParsedOffset();
+    std::pair<qpdf_offset_t, std::string> p =
+        std::make_pair(offset, make_objdesc(offset, obj));
+
+    if (result.size() < stream_number + 1) {
+        result.resize(stream_number + 1);
+    }
+    resultstream_number.push_back(p);
+
+    if (obj.isArray()) {
+        for (auto& oh: obj.getArrayAsVector()) {
+            if (!oh.isIndirect()) {
+                // QPDF::GetAllObjects() enumerates all indirect objects.
+                // So only the direct objects are recursed here.
+                walk(stream_number, oh, result);
+            }
+        }
+    } else if (obj.isDictionary()) {
+        for (auto const& key: obj.getKeys()) {
+            QPDFObjectHandle item = obj.getKey(key);
+            if (!item.isIndirect()) {
+                // QPDF::GetAllObjects() enumerates all indirect objects.
+                // So only the direct objects are recursed here.
+                walk(stream_number, item, result);
+            }
+        }
+    } else if (obj.isStream()) {
+        walk(stream_number, obj.getDict(), result);
+    }
+}
+
+void
+process(
+    std::string fn,
+    std::vector<std::vector<std::pair<qpdf_offset_t, std::string>>>& result)
+{
+    QPDF qpdf;
+    qpdf.processFile(fn.c_str());
+    std::map<QPDFObjGen, QPDFXRefEntry> xrefs = qpdf.getXRefTable();
+
+    for (auto const& oh: qpdf.getAllObjects()) {
+        if (xrefs.count(oh.getObjGen()) == 0) {
+            std::cerr << oh.getObjectID() << "/" << oh.getGeneration()
+                      << " is not found in xref table" << std::endl;
+            std::exit(2);
+        }
+
+        QPDFXRefEntry xref = xrefsoh.getObjGen();
+        size_t stream_number;
+
+        switch (xref.getType()) {
+        case 0:
+            std::cerr << oh.getObjectID() << "/" << oh.getGeneration()
+                      << " xref entry is free" << std::endl;
+            std::exit(2);
+        case 1:
+            stream_number = 0;
+            break;
+        case 2:
+            stream_number = static_cast<size_t>(xref.getObjStreamNumber());
+            break;
+        default:
+            std::cerr << "unknown xref entry type" << std::endl;
+            std::exit(2);
+        }
+
+        walk(stream_number, oh, result);
+    }
+}
+
+int
+main(int argc, char* argv)
+{
+    if (argc != 2) {
+        usage();
+        std::exit(2);
+    }
+
+    try {
+        std::vector<std::vector<std::pair<qpdf_offset_t, std::string>>> table;
+
+        process(argv1, table);
+
+        for (size_t i = 0; i < table.size(); ++i) {
+            if (tablei.size() == 0) {
+                continue;
+            }
+
+            std::sort(tablei.begin(), tablei.end());
+            if (i == 0) {
+                std::cout << "--- objects not in streams ---" << std::endl;
+            } else {
+                std::cout << "--- objects in stream " << i << " ---"
+                          << std::endl;
+            }
+
+            for (auto const& iter: tablei) {
+                std::cout << iter.second << std::endl;
+            }
+        }
+
+        std::cout << "succeeded" << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        std::exit(2);
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/test_pdf_doc_encoding.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_pdf_doc_encoding.cc Changed

@@ -1,44 +1,33 @@
-#include <qpdf/QUtil.hh>
 #include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QUtil.hh>
 #include <iostream>
 #include <stdlib.h>
 #include <string.h>
 
 static char const* whoami = 0;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " infile" << std::endl;
     exit(2);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if ((whoami = strrchr(argv0, '/')) == NULL)
-    {
-	whoami = argv0;
-    }
-    else
-    {
-	++whoami;
-    }
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((whoami = strrchr(argv0, '/')) == NULL) {
+        whoami = argv0;
+    } else {
+        ++whoami;
     }
 
-    if (argc != 2)
-    {
+    if (argc != 2) {
         usage();
     }
     char const* infilename = argv1;
-    std::list<std::string> lines =
-        QUtil::read_lines_from_file(infilename);
-    for (std::list<std::string>::iterator iter = lines.begin();
-         iter != lines.end(); ++iter)
-    {
-        QPDFObjectHandle str = QPDFObjectHandle::newString(*iter);
+    for (auto const& line: QUtil::read_lines_from_file(infilename)) {
+        QPDFObjectHandle str = QPDFObjectHandle::newString(line);
         std::cout << str.getUTF8Value() << std::endl;
     }
     return 0;

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/test_pdf_unicode.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_pdf_unicode.cc Changed

@@ -1,46 +1,35 @@
-#include <qpdf/QUtil.hh>
 #include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QUtil.hh>
 #include <iostream>
 #include <stdlib.h>
 #include <string.h>
 
 static char const* whoami = 0;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami << " infile" << std::endl;
     exit(2);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if ((whoami = strrchr(argv0, '/')) == NULL)
-    {
-	whoami = argv0;
-    }
-    else
-    {
-	++whoami;
-    }
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((whoami = strrchr(argv0, '/')) == NULL) {
+        whoami = argv0;
+    } else {
+        ++whoami;
     }
 
-    if (argc != 2)
-    {
+    if (argc != 2) {
         usage();
     }
     char const* infilename = argv1;
-    std::list<std::string> lines =
-        QUtil::read_lines_from_file(infilename);
-    for (std::list<std::string>::iterator iter = lines.begin();
-         iter != lines.end(); ++iter)
-    {
-        QPDFObjectHandle str = QPDFObjectHandle::newUnicodeString(*iter);
-        std::cout << str.getUTF8Value() << " // "
-                  << str.unparseBinary() << std::endl;
+    for (auto const& line: QUtil::read_lines_from_file(infilename)) {
+        QPDFObjectHandle str = QPDFObjectHandle::newUnicodeString(line);
+        std::cout << str.getUTF8Value() << " // " << str.unparseBinary()
+                  << std::endl;
     }
     return 0;
 }

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_renumber.cc Added

@@ -0,0 +1,269 @@
+#include <qpdf/Buffer.hh>
+#include <qpdf/Constants.h>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjGen.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QPDFXRefEntry.hh>
+
+#include <algorithm>
+#include <cstdlib>
+#include <iostream>
+#include <set>
+#include <string>
+#include <vector>
+
+void
+usage()
+{
+    std::cerr << "Usage: test_renumber OPTION INPUT.pdf" << std::endl
+              << "Option:" << std::endl
+              << "  --object-streams=preserve|disable|generate" << std::endl
+              << "  --linearize" << std::endl
+              << "  --preserve-unreferenced" << std::endl;
+}
+
+bool
+compare(QPDFObjectHandle a, QPDFObjectHandle b)
+{
+    static std::set<QPDFObjGen> visited;
+    if (a.isIndirect()) {
+        if (visited.count(a.getObjGen())) {
+            return true;
+        }
+        visited.insert(a.getObjGen());
+    }
+
+    if (a.getTypeCode() != b.getTypeCode()) {
+        std::cerr << "different type code" << std::endl;
+        return false;
+    }
+
+    switch (a.getTypeCode()) {
+    case ::ot_boolean:
+        if (a.getBoolValue() != b.getBoolValue()) {
+            std::cerr << "different boolean" << std::endl;
+            return false;
+        }
+        break;
+    case ::ot_integer:
+        if (a.getIntValue() != b.getIntValue()) {
+            std::cerr << "different integer" << std::endl;
+            return false;
+        }
+        break;
+    case ::ot_real:
+        if (a.getRealValue() != b.getRealValue()) {
+            std::cerr << "different real" << std::endl;
+            return false;
+        }
+        break;
+    case ::ot_string:
+        if (a.getStringValue() != b.getStringValue()) {
+            std::cerr << "different string" << std::endl;
+            return false;
+        }
+        break;
+    case ::ot_name:
+        if (a.getName() != b.getName()) {
+            std::cerr << "different name" << std::endl;
+            return false;
+        }
+        break;
+    case ::ot_array:
+        {
+            std::vector<QPDFObjectHandle> objs_a = a.getArrayAsVector();
+            std::vector<QPDFObjectHandle> objs_b = b.getArrayAsVector();
+            size_t items = objs_a.size();
+            if (items != objs_b.size()) {
+                std::cerr << "different array size" << std::endl;
+                return false;
+            }
+
+            for (size_t i = 0; i < items; ++i) {
+                if (!compare(objs_ai, objs_bi)) {
+                    std::cerr << "different array item" << std::endl;
+                    return false;
+                }
+            }
+        }
+        break;
+    case ::ot_dictionary:
+        {
+            std::set<std::string> keys_a = a.getKeys();
+            std::set<std::string> keys_b = b.getKeys();
+            if (keys_a != keys_b) {
+                std::cerr << "different dictionary keys" << std::endl;
+                return false;
+            }
+
+            for (auto const& key: keys_a) {
+                if (!compare(a.getKey(key), b.getKey(key))) {
+                    std::cerr << "different dictionary item" << std::endl;
+                    return false;
+                }
+            }
+        }
+        break;
+    case ::ot_null:
+        break;
+    case ::ot_stream:
+        std::cout << "stream objects are not compared" << std::endl;
+        break;
+    default:
+        std::cerr << "unknown object type" << std::endl;
+        std::exit(2);
+    }
+
+    return true;
+}
+
+bool
+compare_xref_table(
+    std::map<QPDFObjGen, QPDFXRefEntry> a,
+    std::map<QPDFObjGen, QPDFXRefEntry> b)
+{
+    if (a.size() != b.size()) {
+        std::cerr << "different size" << std::endl;
+        return false;
+    }
+
+    for (auto const& iter: a) {
+        std::cout << "xref entry for " << iter.first.getObj() << "/"
+                  << iter.first.getGen() << std::endl;
+
+        if (b.count(iter.first) == 0) {
+            std::cerr << "not found" << std::endl;
+            return false;
+        }
+
+        QPDFXRefEntry xref_a = iter.second;
+        QPDFXRefEntry xref_b = biter.first;
+        if (xref_a.getType() != xref_b.getType()) {
+            std::cerr << "different xref entry type" << std::endl;
+            return false;
+        }
+
+        switch (xref_a.getType()) {
+        case 0:
+            break;
+        case 1:
+            if (xref_a.getOffset() != xref_a.getOffset()) {
+                std::cerr << "different offset" << std::endl;
+                return false;
+            }
+            break;
+        case 2:
+            if (xref_a.getObjStreamNumber() != xref_a.getObjStreamNumber() ||
+                xref_a.getObjStreamIndex() != xref_a.getObjStreamIndex()) {
+                std::cerr << "different stream number or index" << std::endl;
+                return false;
+            }
+            break;
+        default:
+            std::cerr << "unknown xref entry type" << std::endl;
+            std::exit(2);
+        }
+    }
+
+    return true;
+}
+
+int
+main(int argc, char* argv)
+{
+    if (argc < 2) {
+        usage();
+        std::exit(2);
+    }
+
+    qpdf_object_stream_e mode = qpdf_o_preserve;
+    bool blinearize = false;
+    bool bpreserve_unreferenced = false;
+    std::string filename_input;
+    for (int i = 1; i < argc; ++i) {
+        if (argvi0 == '-') {
+            std::string opt = argvi;
+            if (opt == "--object-streams=preserve") {
+                mode = qpdf_o_preserve;
+            } else if (opt == "--object-streams=disable") {
+                mode = qpdf_o_disable;
+            } else if (opt == "--object-streams=generate") {
+                mode = qpdf_o_generate;
+            } else if (opt == "--linearize") {
+                blinearize = true;
+            } else if (opt == "--preserve-unreferenced") {
+                bpreserve_unreferenced = true;
+            } else {
+                usage();
+                std::exit(2);
+            }
+        } else if (argc == i + 1) {
+            filename_input = argvi;
+            break;
+        } else {
+            usage();
+            std::exit(2);
+        }
+    }
+
+    try {
+        QPDF qpdf_in;
+        qpdf_in.processFile(filename_input.c_str());
+        std::vector<QPDFObjectHandle> objs_in = qpdf_in.getAllObjects();
+
+        QPDFWriter w(qpdf_in);
+        w.setOutputMemory();
+        w.setObjectStreamMode(mode);
+        w.setLinearization(blinearize);
+        w.setPreserveUnreferencedObjects(bpreserve_unreferenced);
+        w.write();
+
+        std::map<QPDFObjGen, QPDFXRefEntry> xrefs_w = w.getWrittenXRefTable();
+        auto buf = w.getBufferSharedPointer();
+
+        QPDF qpdf_ren;
+        qpdf_ren.processMemoryFile(
+            "renumbered",
+            reinterpret_cast<char*>(buf->getBuffer()),
+            buf->getSize());
+        std::map<QPDFObjGen, QPDFXRefEntry> xrefs_ren = qpdf_ren.getXRefTable();
+
+        std::cout << "--- compare between input and renumbered objects ---"
+                  << std::endl;
+        for (auto const& iter: objs_in) {
+            QPDFObjGen og_in = iter.getObjGen();
+            QPDFObjGen og_ren = w.getRenumberedObjGen(og_in);
+
+            std::cout << "input " << og_in.getObj() << "/" << og_in.getGen()
+                      << " -> renumbered " << og_ren.getObj() << "/"
+                      << og_ren.getGen() << std::endl;
+
+            if (og_ren.getObj() == 0) {
+                std::cout << "deleted" << std::endl;
+                continue;
+            }
+
+            if (!compare(iter, qpdf_ren.getObjectByObjGen(og_ren))) {
+                std::cerr << "different" << std::endl;
+                std::exit(2);
+            }
+        }
+        std::cout << "complete" << std::endl;
+
+        std::cout << "--- compare between written and reloaded xref tables ---"
+                  << std::endl;
+        if (!compare_xref_table(xrefs_w, xrefs_ren)) {
+            std::cerr << "different" << std::endl;
+            std::exit(2);
+        }
+        std::cout << "complete" << std::endl;
+
+        std::cout << "succeeded" << std::endl;
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        std::exit(2);
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_shell_glob.cc Added

@@ -0,0 +1,59 @@
+#include <qpdf/QUtil.hh>
+#include <cstring>
+#include <iostream>
+
+int
+realmain(int argc, char* argv)
+{
+    // In Windows, shell globbing is handled by the runtime, so
+    // passing '*' as argument results in wildcard expansion. In
+    // non-Windows, globbing is done by the shell, so passing '*'
+    // shows up as '*'. In Windows with MSVC, it is necessary to link
+    // a certain way for this to work. To test this, we invoke this
+    // program with a single quoted argument containing a shell glob
+    // expression. In Windows, we expect to see multiple arguments,
+    // none of which contain '*'. Otherwise, we expected to see the
+    // exact glob string that was passed in. The effectiveness of this
+    // test was exercised by manually breaking the link options for
+    // msvc and seeing that the test fails under that condition.
+
+    bool found_star = false;
+    for (int i = 1; i < argc; ++i) {
+        if (strchr(argvi, '*') != nullptr) {
+            found_star = true;
+            break;
+        }
+    }
+#ifdef _WIN32
+    bool passed = ((!found_star) && (argc > 2));
+#else
+    bool passed = (found_star && (argc == 2));
+#endif
+    if (passed) {
+        std::cout << "PASSED" << std::endl;
+    } else {
+        std::cout << "FAILED" << std::endl;
+        for (int i = 1; i < argc; ++i) {
+            std::cout << argvi << std::endl;
+        }
+    }
+    return 0;
+}
+
+#ifdef WINDOWS_WMAIN
+
+extern "C" int
+wmain(int argc, wchar_t* argv)
+{
+    return QUtil::call_main_from_wmain(argc, argv, realmain);
+}
+
+#else
+
+int
+main(int argc, char* argv)
+{
+    return realmain(argc, argv);
+}
+
+#endif

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/test_tokenizer.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_tokenizer.cc Changed

@@ -1,41 +1,40 @@
-#include <qpdf/QPDFTokenizer.hh>
+#include <qpdf/BufferInputSource.hh>
+#include <qpdf/FileInputSource.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/QIntC.hh>
+#include <qpdf/QPDF.hh>
 #include <qpdf/QPDFPageDocumentHelper.hh>
 #include <qpdf/QPDFPageObjectHelper.hh>
+#include <qpdf/QPDFTokenizer.hh>
 #include <qpdf/QUtil.hh>
-#include <qpdf/FileInputSource.hh>
-#include <qpdf/BufferInputSource.hh>
-#include <qpdf/QPDF.hh>
-#include <qpdf/Pl_Buffer.hh>
-#include <stdlib.h>
+#include <iostream>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
-#include <iostream>
 
 static char const* whoami = 0;
 
-void usage()
+void
+usage()
 {
     std::cerr << "Usage: " << whoami
-              << " -maxlen len | -no-ignorable | -old-ei filename"
-              << std::endl;
+              << " -maxlen len | -no-ignorable filename" << std::endl;
     exit(2);
 }
 
 class Finder: public InputSource::Finder
 {
   public:
-    Finder(PointerHolder<InputSource> is, std::string const& str) :
+    Finder(std::shared_ptr<InputSource> is, std::string const& str) :
         is(is),
         str(str)
     {
     }
-    virtual ~Finder()
-    {
-    }
+    virtual ~Finder() = default;
     virtual bool check();
 
   private:
-    PointerHolder<InputSource> is;
+    std::shared_ptr<InputSource> is;
     std::string str;
 };
 
@@ -46,51 +45,51 @@
     QPDFTokenizer::Token t = tokenizer.readToken(is, "finder", true);
     qpdf_offset_t offset = this->is->tell();
     bool result = (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, str));
-    this->is->seek(offset - this->str.length(), SEEK_SET);
+    this->is->seek(offset - QIntC::to_offset(this->str.length()), SEEK_SET);
     return result;
 }
 
-static char const* tokenTypeName(QPDFTokenizer::token_type_e ttype)
+static char const*
+tokenTypeName(QPDFTokenizer::token_type_e ttype)
 {
     // Do this is a case statement instead of a lookup so the compiler
     // will warn if we miss any.
-    switch (ttype)
-    {
-      case QPDFTokenizer::tt_bad:
+    switch (ttype) {
+    case QPDFTokenizer::tt_bad:
         return "bad";
-      case QPDFTokenizer::tt_array_close:
+    case QPDFTokenizer::tt_array_close:
         return "array_close";
-      case QPDFTokenizer::tt_array_open:
+    case QPDFTokenizer::tt_array_open:
         return "array_open";
-      case QPDFTokenizer::tt_brace_close:
+    case QPDFTokenizer::tt_brace_close:
         return "brace_close";
-      case QPDFTokenizer::tt_brace_open:
+    case QPDFTokenizer::tt_brace_open:
         return "brace_open";
-      case QPDFTokenizer::tt_dict_close:
+    case QPDFTokenizer::tt_dict_close:
         return "dict_close";
-      case QPDFTokenizer::tt_dict_open:
+    case QPDFTokenizer::tt_dict_open:
         return "dict_open";
-      case QPDFTokenizer::tt_integer:
+    case QPDFTokenizer::tt_integer:
         return "integer";
-      case QPDFTokenizer::tt_name:
+    case QPDFTokenizer::tt_name:
         return "name";
-      case QPDFTokenizer::tt_real:
+    case QPDFTokenizer::tt_real:
         return "real";
-      case QPDFTokenizer::tt_string:
+    case QPDFTokenizer::tt_string:
         return "string";
-      case QPDFTokenizer::tt_null:
+    case QPDFTokenizer::tt_null:
         return "null";
-      case QPDFTokenizer::tt_bool:
+    case QPDFTokenizer::tt_bool:
         return "bool";
-      case QPDFTokenizer::tt_word:
+    case QPDFTokenizer::tt_word:
         return "word";
-      case QPDFTokenizer::tt_eof:
+    case QPDFTokenizer::tt_eof:
         return "eof";
-      case QPDFTokenizer::tt_space:
+    case QPDFTokenizer::tt_space:
         return "space";
-      case QPDFTokenizer::tt_comment:
+    case QPDFTokenizer::tt_comment:
         return "comment";
-      case QPDFTokenizer::tt_inline_image:
+    case QPDFTokenizer::tt_inline_image:
         return "inline-image";
     }
     return 0;
@@ -100,57 +99,56 @@
 sanitize(std::string const& value)
 {
     std::string result;
-    for (std::string::const_iterator iter = value.begin(); iter != value.end();
-         ++iter)
-    {
-        if ((*iter >= 32) && (*iter <= 126))
-        {
-            result.append(1, *iter);
-        }
-        else
-        {
-            result += "\\x" + QUtil::int_to_string_base(
-                static_cast<unsigned char>(*iter), 16, 2);
+    for (auto const& iter: value) {
+        if ((iter >= 32) && (iter <= 126)) {
+            result.append(1, iter);
+        } else {
+            result += "\\x" +
+                QUtil::int_to_string_base(
+                          static_cast<unsigned char>(iter), 16, 2);
         }
     }
     return result;
 }
 
 static void
-try_skipping(QPDFTokenizer& tokenizer, PointerHolder<InputSource> is,
-             size_t max_len, char const* what, Finder& f)
+try_skipping(
+    QPDFTokenizer& tokenizer,
+    std::shared_ptr<InputSource> is,
+    size_t max_len,
+    char const* what,
+    Finder& f)
 {
     std::cout << "skipping to " << what << std::endl;
     qpdf_offset_t offset = is->tell();
-    if (! is->findFirst(what, offset, 0, f))
-    {
+    if (!is->findFirst(what, offset, 0, f)) {
         std::cout << what << " not found" << std::endl;
         is->seek(offset, SEEK_SET);
     }
 }
 
 static void
-dump_tokens(PointerHolder<InputSource> is, std::string const& label,
-            size_t max_len, bool include_ignorable,
-            bool skip_streams, bool skip_inline_images, bool old_ei)
+dump_tokens(
+    std::shared_ptr<InputSource> is,
+    std::string const& label,
+    size_t max_len,
+    bool include_ignorable,
+    bool skip_streams,
+    bool skip_inline_images)
 {
     Finder f1(is, "endstream");
     std::cout << "--- BEGIN " << label << " ---" << std::endl;
     bool done = false;
     QPDFTokenizer tokenizer;
     tokenizer.allowEOF();
-    if (include_ignorable)
-    {
+    if (include_ignorable) {
         tokenizer.includeIgnorable();
     }
     qpdf_offset_t inline_image_offset = 0;
-    while (! done)
-    {
-        QPDFTokenizer::Token token =
-            tokenizer.readToken(is, "test", true,
-                                inline_image_offset ? 0 : max_len);
-        if (inline_image_offset && (token.getType() == QPDFTokenizer::tt_bad))
-        {
+    while (!done) {
+        QPDFTokenizer::Token token = tokenizer.readToken(
+            is, "test", true, inline_image_offset ? 0 : max_len);
+        if (inline_image_offset && (token.getType() == QPDFTokenizer::tt_bad)) {
             std::cout << "EI not found; resuming normal scanning" << std::endl;
             is->seek(inline_image_offset, SEEK_SET);
             inline_image_offset = 0;
@@ -159,168 +157,122 @@
         inline_image_offset = 0;
 
         qpdf_offset_t offset = is->getLastOffset();
-        std::cout << offset << ": "
-                  << tokenTypeName(token.getType());
-        if (token.getType() != QPDFTokenizer::tt_eof)
-        {
-            std::cout << ": "
-                      << sanitize(token.getValue());
-            if (token.getValue() != token.getRawValue())
-            {
+        std::cout << offset << ": " << tokenTypeName(token.getType());
+        if (token.getType() != QPDFTokenizer::tt_eof) {
+            std::cout << ": " << sanitize(token.getValue());
+            if (token.getValue() != token.getRawValue()) {
                 std::cout << " (raw: " << sanitize(token.getRawValue()) << ")";
             }
         }
-        if (token.getType() == QPDFTokenizer::tt_bad)
-        {
+        if (!token.getErrorMessage().empty()) {
             std::cout << " (" << token.getErrorMessage() << ")";
         }
         std::cout << std::endl;
         if (skip_streams &&
-            (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "stream")))
-        {
+            (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "stream"))) {
             try_skipping(tokenizer, is, max_len, "endstream", f1);
-        }
-        else if (skip_inline_images &&
-                 (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "ID")))
-        {
+        } else if (
+            skip_inline_images &&
+            (token == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "ID"))) {
             char ch;
             is->read(&ch, 1);
-            if (old_ei)
-            {
-                tokenizer.expectInlineImage();
-            }
-            else
-            {
-                tokenizer.expectInlineImage(is);
-            }
+            tokenizer.expectInlineImage(is);
             inline_image_offset = is->tell();
-        }
-        else if (token.getType() == QPDFTokenizer::tt_eof)
-        {
+        } else if (token.getType() == QPDFTokenizer::tt_eof) {
             done = true;
         }
     }
     std::cout << "--- END " << label << " ---" << std::endl;
 }
 
-static void process(char const* filename, bool include_ignorable,
-                    size_t max_len, bool old_ei)
+static void
+process(char const* filename, bool include_ignorable, size_t max_len)
 {
-    PointerHolder<InputSource> is;
+    std::shared_ptr<InputSource> is;
 
     // Tokenize file, skipping streams
-    FileInputSource* fis = new FileInputSource();
-    fis->setFilename(filename);
-    is = fis;
-    dump_tokens(is, "FILE", max_len, include_ignorable, true, false, false);
+    FileInputSource* fis = new FileInputSource(filename);
+    is = std::shared_ptr<InputSource>(fis);
+    dump_tokens(is, "FILE", max_len, include_ignorable, true, false);
 
     // Tokenize content streams, skipping inline images
     QPDF qpdf;
     qpdf.processFile(filename);
-    std::vector<QPDFPageObjectHelper> pages =
-        QPDFPageDocumentHelper(qpdf).getAllPages();
     int pageno = 0;
-    for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
-         iter != pages.end(); ++iter)
-    {
+    for (auto& page: QPDFPageDocumentHelper(qpdf).getAllPages()) {
         ++pageno;
         Pl_Buffer plb("buffer");
-        (*iter).pipePageContents(&plb);
-        PointerHolder<Buffer> content_data = plb.getBuffer();
-        BufferInputSource* bis = new BufferInputSource(
-            "content data", content_data.getPointer());
-        is = bis;
-        dump_tokens(is, "PAGE " + QUtil::int_to_string(pageno),
-                    max_len, include_ignorable, false, true, old_ei);
+        page.pipeContents(&plb);
+        auto content_data = plb.getBufferSharedPointer();
+        BufferInputSource* bis =
+            new BufferInputSource("content data", content_data.get());
+        is = std::shared_ptr<InputSource>(bis);
+        dump_tokens(
+            is,
+            "PAGE " + QUtil::int_to_string(pageno),
+            max_len,
+            include_ignorable,
+            false,
+            true);
     }
 
     // Tokenize object streams
-    std::vector<QPDFObjectHandle> all = qpdf.getAllObjects();
-    for (std::vector<QPDFObjectHandle>::iterator iter = all.begin();
-         iter != all.end(); ++iter)
-    {
-        if ((*iter).isStream() &&
-            (*iter).getDict().getKey("/Type").isName() &&
-            (*iter).getDict().getKey("/Type").getName() == "/ObjStm")
-        {
-            PointerHolder<Buffer> b =
-                (*iter).getStreamData(qpdf_dl_specialized);
-            BufferInputSource* bis = new BufferInputSource(
-                "object stream data", b.getPointer());
-            is = bis;
-            dump_tokens(is, "OBJECT STREAM " +
-                        QUtil::int_to_string((*iter).getObjectID()),
-                        max_len, include_ignorable, false, false, false);
+    for (auto& obj: qpdf.getAllObjects()) {
+        if (obj.isStream() && obj.getDict().getKey("/Type").isName() &&
+            obj.getDict().getKey("/Type").getName() == "/ObjStm") {
+            std::shared_ptr<Buffer> b = obj.getStreamData(qpdf_dl_specialized);
+            BufferInputSource* bis =
+                new BufferInputSource("object stream data", b.get());
+            is = std::shared_ptr<InputSource>(bis);
+            dump_tokens(
+                is,
+                "OBJECT STREAM " + QUtil::int_to_string(obj.getObjectID()),
+                max_len,
+                include_ignorable,
+                false,
+                false);
         }
     }
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     QUtil::setLineBuf(stdout);
-    if ((whoami = strrchr(argv0, '/')) == NULL)
-    {
-	whoami = argv0;
-    }
-    else
-    {
-	++whoami;
-    }
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((whoami = strrchr(argv0, '/')) == NULL) {
+        whoami = argv0;
+    } else {
+        ++whoami;
     }
 
     char const* filename = 0;
     size_t max_len = 0;
     bool include_ignorable = true;
-    bool old_ei = false;
-    for (int i = 1; i < argc; ++i)
-    {
-        if (argvi0 == '-')
-        {
-            if (strcmp(argvi, "-maxlen") == 0)
-            {
-                if (++i >= argc)
-                {
+    for (int i = 1; i < argc; ++i) {
+        if (argvi0 == '-') {
+            if (strcmp(argvi, "-maxlen") == 0) {
+                if (++i >= argc) {
                     usage();
                 }
-                max_len = QUtil::string_to_int(argvi);
-            }
-            else if (strcmp(argvi, "-no-ignorable") == 0)
-            {
+                max_len = QUtil::string_to_uint(argvi);
+            } else if (strcmp(argvi, "-no-ignorable") == 0) {
                 include_ignorable = false;
-            }
-            else if (strcmp(argvi, "-old-ei") == 0)
-            {
-                old_ei = true;
-            }
-            else
-            {
+            } else {
                 usage();
             }
-        }
-        else if (filename)
-        {
+        } else if (filename) {
             usage();
-        }
-        else
-        {
+        } else {
             filename = argvi;
         }
     }
-    if (filename == 0)
-    {
+    if (filename == 0) {
         usage();
     }
 
-    try
-    {
-        process(filename, include_ignorable, max_len, old_ei);
-    }
-    catch (std::exception& e)
-    {
+    try {
+        process(filename, include_ignorable, max_len);
+    } catch (std::exception& e) {
         std::cerr << whoami << ": exception: " << e.what();
         exit(2);
     }

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/test_unicode_filenames.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_unicode_filenames.cc Changed

@@ -1,28 +1,27 @@
 #ifdef _WIN32
-#include <windows.h>
-#include <direct.h>
-#include <io.h>
+# define WIN32_LEAN_AND_MEAN
+# include <direct.h>
+# include <io.h>
+# include <windows.h>
 #endif
 
 #include <iostream>
-#include <stdlib.h>
 #include <stdio.h>
+#include <stdlib.h>
 
-static void do_copy(FILE* in, FILE* out)
+static void
+do_copy(FILE* in, FILE* out)
 {
-    if ((in == 0) || (out == 0))
-    {
+    if ((in == 0) || (out == 0)) {
         std::cerr << "errors opening files" << std::endl;
         exit(2);
     }
     char buf10240;
     size_t len = 0;
-    while ((len = fread(buf, 1, sizeof(buf), in)) > 0)
-    {
+    while ((len = fread(buf, 1, sizeof(buf), in)) > 0) {
         fwrite(buf, 1, len, out);
     }
-    if (len != 0)
-    {
+    if (len != 0) {
         std::cerr << "errors reading or writing" << std::endl;
         exit(2);
     }
@@ -32,22 +31,23 @@
 
 #ifdef WINDOWS_WMAIN
 
-void copy(wchar_t const* outname)
+void
+copy(wchar_t const* outname)
 {
-#ifdef _MSC_VER
+# ifdef _MSC_VER
     FILE* in = 0;
     _wfopen_s(&in, L"minimal.pdf", L"rb");
     FILE* out = 0;
     _wfopen_s(&out, outname, L"wb");
-#else
+# else
     FILE* in = _wfopen(L"minimal.pdf", L"rb");
     FILE* out = _wfopen(outname, L"wb");
-#endif
+# endif
     do_copy(in, out);
 }
 
-extern "C"
-int wmain(int argc, wchar_t* argv)
+extern "C" int
+wmain(int argc, wchar_t* argv)
 {
     // Unicode
     wchar_t const* f1 = L"auto-\xfc.pdf";
@@ -60,14 +60,16 @@
 
 #else
 
-void copy(char const* outname)
+void
+copy(char const* outname)
 {
     FILE* in = fopen("minimal.pdf", "rb");
     FILE* out = fopen(outname, "wb");
     do_copy(in, out);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
     // Explicit UTF-8 encoding
     char const* f1 = "auto-\xc3\xbc.pdf";

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdf/test_xref.cc Added

@@ -0,0 +1,52 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjGen.hh>
+#include <qpdf/QPDFXRefEntry.hh>
+
+#include <cstdlib>
+#include <iostream>
+#include <map>
+#include <string>
+
+int
+main(int argc, char* argv)
+{
+    if (argc != 2) {
+        std::cerr << "usage: test_xref INPUT.pdf" << std::endl;
+        std::exit(2);
+    }
+
+    try {
+        QPDF qpdf;
+        qpdf.processFile(argv1);
+
+        for (auto const& iter: qpdf.getXRefTable()) {
+            std::cout << iter.first.getObj() << "/" << iter.first.getGen()
+                      << ", ";
+            switch (iter.second.getType()) {
+            case 0:
+                std::cout << "free entry" << std::endl;
+                break;
+            case 1:
+                std::cout << "uncompressed, offset = "
+                          << iter.second.getOffset() << " (0x" << std::hex
+                          << iter.second.getOffset() << std::dec << ")"
+                          << std::endl;
+                break;
+            case 2:
+                std::cout << "compressed, stream number = "
+                          << iter.second.getObjStreamNumber()
+                          << ", stream index = "
+                          << iter.second.getObjStreamIndex() << std::endl;
+                break;
+            default:
+                std::cerr << "unknown" << std::endl;
+                std::exit(2);
+            }
+        }
+    } catch (std::exception& e) {
+        std::cerr << e.what() << std::endl;
+        std::exit(2);
+    }
+
+    return 0;
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/qpdfConfig.cmake.in Added

_service:tar_scm:qpdf-8.4.2.tar.gz/qtest/README.txt -> _service:tar_scm:qpdf-11.1.0.tar.gz/qtest/README.txt Changed

_service:tar_scm:qpdf-8.4.2.tar.gz/qtest/bin/qtest-driver -> _service:tar_scm:qpdf-11.1.0.tar.gz/qtest/bin/qtest-driver Changed

@@ -2,7 +2,7 @@
 #
 # This file is part of qtest.
 #
-# Copyright 1993-2019, Jay Berkenbilt
+# Copyright 1993-2022, Jay Berkenbilt
 #
 # QTest is distributed under the terms of version 2.0 of the Artistic
 # license which may be found in the source distribution.
@@ -33,7 +33,7 @@
 
 if ((@ARGV == 1) && ($ARGV0 eq '--version'))
 {
-    print "$whoami version 1.5\n";
+    print "$whoami version 1.9\n";
     exit 0;
 }
 if ((@ARGV == 1) && ($ARGV0 eq '--print-path'))
@@ -218,6 +218,7 @@
 print_xml(">\n");
 print_junit("<?xml version=\"1.0\"?>\n" .
             "<testsuites>\n");
+my @failed_test_suites = ();
 foreach my $test (@tests)
 {
     print_and_log("\nRunning $test\n");
@@ -226,7 +227,8 @@
     my @results = run_test($test);
     if (scalar(@results) != 5)
     {
-	error("test driver $test returned invalid results");
+        print_and_log("test driver $test returned invalid results\n");
+        push(@failed_test_suites, $test);
     }
     else
     {
@@ -261,6 +263,10 @@
 
 	my $passed = (($extra == 0) && ($missing == 0) &&
 		      ($fails == 0) && ($xpasses == 0));
+        if (! $passed)
+        {
+            push(@failed_test_suites, $test);
+        }
 
 	print_xml("  <testsummary\n" .
 		  "   overall-outcome=\"" .($passed ? 'pass' : 'fail') . "\"\n".
@@ -282,7 +288,7 @@
 
 my $okay = ((($totpasses + $totxfails) == $tottests) &&
 	    ($errors == 0) && ($totmissing == 0) && ($totextra == 0) &&
-	    ($coverage_okay));
+	    ($coverage_okay) && (scalar(@failed_test_suites) == 0));
 
 print "\n";
 print_and_pad("Overall test suite");
@@ -299,6 +305,15 @@
 }
 
 my $summary = "\nTESTS COMPLETE.  Summary:\n\n";
+if (@failed_test_suites)
+{
+    $summary .= "FAILED TEST SUITES:\n";
+    foreach my $t (@failed_test_suites)
+    {
+        $summary .= "  $t\n";
+    }
+    $summary .= "\n";
+}
 $summary .=
     sprintf("Total tests: %d\n" .
 	    "Passes: %d\n" .
@@ -538,41 +553,45 @@
     my %seen_cases = ();
     foreach my $src (@tc_srcs)
     {
-	my $s = new IO::File("<$src") or die "$whoami: open $src: $!\n";
-	binmode $s;
-	while (<$s>)
-	{
-	    # Look for coverage calls in the source subject to certain
-	    # lexical constraints
-	    my ($lscope, $case);
-	    if (m/^\s*\&?QTC(?:::|\.)TC$\"(^\"+)\",\s*\"(^\"+)\"/)
-	    {
-		# C++, Java, Perl, etc.
-		($lscope, $case) = ($1, $2);
-	    }
-	    elsif (m/^^\#*\$\(call QTC.TC,(^,+),(^,$+)/)
-	    {
-		# make
-		($lscope, $case) = ($1, $2);
-	    }
-	    if ((defined $lscope) && (defined $case))
-	    {
-		if ($lscope eq $tc_scope)
-		{
-		    push(@{$seen_cases{$case}}, $src, $.);
-		}
-		elsif (exists $tc_ignored_scopes{$lscope})
-		{
-		    &QTC::TC("testdriver", "driver ignored scope");
-		}
-		else
-		{
-		    &QTC::TC("testdriver", "driver out-of-scope case");
-		    error("$src:$.: out-of-scope coverage case");
-		}
-	    }
-	}
-	$s->close();
+        local $/ = undef;
+        my $s = new IO::File("<$src") or die "$whoami: open $src: $!\n";
+        binmode $s;
+        my $content = <$s>;
+        $s->close();
+        my @found = ();
+        # Look for coverage calls in the source subject to certain lexical
+        # constraints. Count newlines in $` to get the line number.
+        while ($content =~
+               m/^\s*\&?(?:QTC|qtc)(?:::|\.)(?:TC|tc)$\s*\"(^\"+)\",\s*\"(^\"+)\"/mg)
+        {
+            # C++, Java, Perl, etc.
+            push(@found, $1, $2, 1+scalar(split('\n', $`)));
+        }
+        while ($content =~ m/^^\#\n*\$\(call QTC.TC,(^,+),(^,$+)/mg)
+        {
+            # make
+            push(@found, $1, $2, 1+scalar(split('\n', $`)));
+        }
+        foreach my $i (@found)
+        {
+            my ($lscope, $case, $line) = @$i;
+            if ((defined $lscope) && (defined $case))
+            {
+                if ($lscope eq $tc_scope)
+                {
+                    push(@{$seen_cases{$case}}, $src, $line);
+                }
+                elsif (exists $tc_ignored_scopes{$lscope})
+                {
+                    &QTC::TC("testdriver", "driver ignored scope");
+                }
+                else
+                {
+                    &QTC::TC("testdriver", "driver out-of-scope case");
+                    error("$src:$line: out-of-scope coverage case");
+                }
+            }
+        }
     }
 
     my %wanted_cases = %tc_cases;

_service:tar_scm:qpdf-8.4.2.tar.gz/qtest/module/TestDriver.pm -> _service:tar_scm:qpdf-11.1.0.tar.gz/qtest/module/TestDriver.pm Changed

@@ -2,7 +2,7 @@
 #
 # This file is part of qtest.
 #
-# Copyright 1993-2019, Jay Berkenbilt
+# Copyright 1993-2022, Jay Berkenbilt
 #
 # QTest is distributed under the terms of version 2.0 of the Artistic
 # license which may be found in the source distribution.
@@ -118,7 +118,13 @@
     eval
     {
 	require Term::ReadKey;
-	($ncols, undef, undef, undef) = Term::ReadKey::GetTerminalSize();
+        if (-t STDOUT)
+        {
+            # This prints error messages if STDOUT is not a tty, so
+            # check even if -stdout-tty=1 was given.
+            ($ncols, undef, undef, undef) =
+                Term::ReadKey::GetTerminalSize(\*STDOUT);
+        }
 	$got_size = 1;
     };
     if (! $got_size)
@@ -145,6 +151,10 @@
 	    }
 	};
     }
+    if (! defined $ncols)
+    {
+        $ncols = 80;
+    }
     eval
     {
 	if ($in_windows)
@@ -711,9 +721,20 @@
     elsif (defined $in_file)
     {
 	&QTC::TC("testdriver", "TestDriver input file");
-	open($in, '<', $in_file) or
-	    croak +(+__PACKAGE__,
-		    "->runtest: unable to read from input file $in_file: $!\n");
+	if (! open($in, '<', $in_file))
+        {
+            # If the input file is not found, generate a string to use
+            # as input, and make the string different each run to
+            # prevent sloppy commiting of the string as the expected
+            # output. This prevents complete failure in cases when the
+            # input file is not found, such as when one test's input
+            # file is generated by something that may have failed
+            # earlier.
+            my $not_found = "qtest, pid=$$: input file $in_file not found\n";
+            open($in, '<', \$not_found) or
+                croak +(+__PACKAGE__,
+                        "->runtest: unable to read from input file $in_file: $!\n");
+        }
     }
     elsif (defined $in_command)
     {
@@ -1780,10 +1801,7 @@
     my $tempfilename = "$tempdir/winrun.tmp";
     if (! defined $winbin)
     {
-	my $comspec = $ENV{'COMSPEC'};
-	$comspec =~ s,\\,/,g;
-	if ((system("sh -c 'cd /bin; $comspec /c cd'" .
-		    " > $tempfilename") == 0) &&
+	if ((system("sh -c 'cd /bin; pwd -W' > $tempfilename") == 0) &&
 	    open(F, "<$tempfilename"))
 	{
 	    $winbin = <F>;

_service:tar_scm:qpdf-11.1.0.tar.gz/run-qtest Added

@@ -0,0 +1,145 @@
+#!/usr/bin/env perl
+require 5.008;
+use warnings;
+use strict;
+use Cwd 'abs_path';
+use File::Basename;
+use File::Spec;
+
+my $whoami = basename($0);
+
+my $top = undef;
+my $code = undef;
+my @bin = ();
+my $color = undef;
+my $show_on_failure = 0;
+my $disable_tc = 0;
+my @tc = ();
+
+if ($^O =~ m/^MSWin32|msys$/)
+{
+    for (@ARGV)
+    {
+        s,^(A-Z):/,/\L$1\E/,;
+    }
+}
+
+while (@ARGV)
+{
+    my $arg = shift(@ARGV);
+    if ($arg eq '--top')
+    {
+        usage() unless @ARGV;
+        $top = shift(@ARGV);
+    }
+    elsif ($arg eq '--code')
+    {
+        usage() unless @ARGV;
+        $code = shift(@ARGV);
+    }
+    elsif ($arg eq '--bin')
+    {
+        usage() unless @ARGV;
+        push(@bin, shift(@ARGV));
+    }
+    elsif ($arg eq '--color')
+    {
+        usage() unless @ARGV;
+        $color = cmake_bool(shift(@ARGV));
+    }
+    elsif ($arg eq '--show-on-failure')
+    {
+        usage() unless @ARGV;
+        $show_on_failure = cmake_bool(shift(@ARGV));
+    }
+    elsif ($arg eq '--disable-tc')
+    {
+        $disable_tc = 1;
+    }
+    elsif ($arg eq '--tc')
+    {
+        usage() unless @ARGV;
+        while (@ARGV && ($ARGV0 !~ m/^--/))
+        {
+            # On Windows, a literal glob in quotes is expanded by the
+            # shell, so we have to handle globs when expanded by the
+            # shell by consuming arguments until the next --.
+
+            my $t = shift(@ARGV);
+            if (exists $ENV{'TESTS'})
+            {
+                # No point enabling coverage if we're intentionally
+                # running only a subset of tests.
+                next;
+            }
+            push(@tc, $t);
+        }
+    }
+    elsif ($arg eq '--env')
+    {
+        usage() unless @ARGV;
+        my $var = shift(@ARGV);
+        usage() unless $var =~ m/^(^=+)=(.*)$/;
+        $ENV{$1} = $2;
+    }
+    else
+    {
+        usage();
+    }
+}
+usage() unless (defined $top && defined $code && scalar(@bin));
+
+my @cmd = ("$top/qtest/bin/qtest-driver");
+if (defined $color)
+{
+    push(@cmd, "-stdout-tty=$color");
+}
+push(@cmd,
+     "-bindirs", join(':', @bin),
+     "-datadir", "$code/qtest",
+     "-junit-suffix", basename($code));
+
+if (scalar(@tc) && (! $disable_tc))
+{
+    my @tc_srcs = map {
+        File::Spec->abs2rel(abs_path($_))
+    } map {
+        # On non-Windows, a literal glob in quotes is not expanded by
+        # the shell, so we have to handle globs explicitly.
+        glob($_)
+    } @tc;
+
+    $ENV{'TC_SRCS'} = join(' ', @tc_srcs);
+    push(@cmd, "-covdir", $code);
+}
+
+my $r = system(@cmd);
+if (($r != 0) && $show_on_failure && open(R, "<qtest.log"))
+{
+    binmode R;
+    while (<R>)
+    {
+        print;
+    }
+    close(R);
+}
+exit($r == 0 ? 0 : 2);
+
+sub cmake_bool
+{
+    my $arg = shift;
+    ($arg =~ m/^(1|on|true|y(es)?)$/i) ? 1 : 0;
+}
+
+sub usage
+{
+    die "
+Usage: $whoami options
+  --top source-tree
+  --code code-subdir
+  --bin bindir ...
+  --color 01
+  --show-on-failure 01
+  --tc \"../a/*.cc\" ...
+";
+}

_service:tar_scm:qpdf-11.1.0.tar.gz/spell-check Added

_service:tar_scm:qpdf-11.1.0.tar.gz/zlib-flate/CMakeLists.txt Added

_service:tar_scm:qpdf-11.1.0.tar.gz/zlib-flate/qtest/1.compressed-1 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/zlib-flate/qtest/1.compressed-9 Added

_service:tar_scm:qpdf-11.1.0.tar.gz/zlib-flate/qtest/missing-z-finish.in Added

_service:tar_scm:qpdf-8.4.2.tar.gz/zlib-flate/qtest/zf.test -> _service:tar_scm:qpdf-11.1.0.tar.gz/zlib-flate/qtest/zf.test Changed

@@ -7,20 +7,33 @@
 
 my $td = new TestDriver('zlib-flate');
 
-$td->runtest("compress",
-	     {$td->COMMAND => "zlib-flate -compress < 1.uncompressed"},
-	     {$td->FILE => "1.compressed",
-	      $td->EXIT_STATUS => 0});
+foreach my $level ('', '=1', '=9')
+{
+    my $f = $level;
+    $f =~ s/=/-/;
+    $td->runtest("compress",
+                 {$td->COMMAND =>
+                      "zlib-flate -compress$level < 1.uncompressed"},
+                 {$td->FILE => "1.compressed$f",
+                      $td->EXIT_STATUS => 0});
 
-$td->runtest("uncompress",
-	     {$td->COMMAND => "zlib-flate -uncompress < 1.compressed"},
-	     {$td->FILE => "1.uncompressed",
-	      $td->EXIT_STATUS => 0});
+    $td->runtest("uncompress",
+                 {$td->COMMAND => "zlib-flate -uncompress < 1.compressed"},
+                 {$td->FILE => "1.uncompressed",
+                      $td->EXIT_STATUS => 0});
+}
 
 $td->runtest("error",
-	     {$td->COMMAND => "zlib-flate -uncompress < 1.uncompressed"},
-	     {$td->REGEXP => "flate: inflate: data: .*\n",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
+             {$td->COMMAND => "zlib-flate -uncompress < 1.uncompressed"},
+             {$td->REGEXP => "flate: inflate: data: .*\n",
+              $td->EXIT_STATUS => 2},
+             $td->NORMALIZE_NEWLINES);
 
-$td->report(3);
+$td->runtest("corrupted input",
+             {$td->COMMAND => "zlib-flate -uncompress < missing-z-finish.in"},
+             {$td->REGEXP =>
+                  "input stream is complete but output may still be valid",
+                  $td->EXIT_STATUS => 3},
+             $td->NORMALIZE_NEWLINES);
+
+$td->report(8);

_service:tar_scm:qpdf-8.4.2.tar.gz/zlib-flate/zlib-flate.cc -> _service:tar_scm:qpdf-11.1.0.tar.gz/zlib-flate/zlib-flate.cc Changed

@@ -1,94 +1,92 @@
 #include <qpdf/Pl_Flate.hh>
 #include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/QPDF.hh>
 #include <qpdf/QUtil.hh>
 
-#include <stdio.h>
-#include <string.h>
+#include <fcntl.h>
 #include <iostream>
+#include <stdio.h>
 #include <stdlib.h>
-#include <fcntl.h>
+#include <string.h>
 
 static char const* whoami = 0;
 
-void usage()
+void
+usage()
 {
-    std::cerr << "Usage: " << whoami << " { -uncompress | -compress }"
-	      << std::endl;
+    std::cerr << "Usage: " << whoami << " { -uncompress | -compress=n }"
+              << std::endl
+              << "If n is specified with -compress, it is a"
+              << " zlib compression level from" << std::endl
+              << "1 to 9 where lower numbers are faster and"
+              << " less compressed and higher" << std::endl
+              << "numbers are slower and more compressed" << std::endl;
     exit(2);
 }
 
-int main(int argc, char* argv)
+int
+main(int argc, char* argv)
 {
-    if ((whoami = strrchr(argv0, '/')) == NULL)
-    {
-	whoami = argv0;
-    }
-    else
-    {
-	++whoami;
-    }
-    // For libtool's sake....
-    if (strncmp(whoami, "lt-", 3) == 0)
-    {
-	whoami += 3;
+    if ((whoami = strrchr(argv0, '/')) == NULL) {
+        whoami = argv0;
+    } else {
+        ++whoami;
     }
 
-    if ((argc == 2) && (strcmp(argv1, "--version") == 0))
-    {
-	std::cout << whoami << " version 1.0" << std::endl;
-	exit(0);
+    if ((argc == 2) && (strcmp(argv1, "--version") == 0)) {
+        std::cout << whoami << " from qpdf version " << QPDF::QPDFVersion()
+                  << std::endl;
+        exit(0);
     }
 
-    if (argc != 2)
-    {
-	usage();
+    if (argc != 2) {
+        usage();
     }
 
     Pl_Flate::action_e action = Pl_Flate::a_inflate;
 
-    if ((strcmp(argv1, "-uncompress") == 0))
-    {
-	// okay
-    }
-    else if ((strcmp(argv1, "-compress") == 0))
-    {
-	action = Pl_Flate::a_deflate;
-    }
-    else
-    {
-	usage();
+    if ((strcmp(argv1, "-uncompress") == 0)) {
+        // okay
+    } else if ((strcmp(argv1, "-compress") == 0)) {
+        action = Pl_Flate::a_deflate;
+    } else if ((strncmp(argv1, "-compress=", 10) == 0)) {
+        action = Pl_Flate::a_deflate;
+        int level = QUtil::string_to_int(argv1 + 10);
+        Pl_Flate::setCompressionLevel(level);
+    } else {
+        usage();
     }
 
     QUtil::binary_stdout();
     QUtil::binary_stdin();
-    Pl_StdioFile* out = new Pl_StdioFile("stdout", stdout);
-    Pl_Flate* flate = new Pl_Flate("flate", out, action);
+    auto out = std::make_shared<Pl_StdioFile>("stdout", stdout);
+    auto flate = std::make_shared<Pl_Flate>("flate", out.get(), action);
+    bool warn = false;
+    flate->setWarnCallback(&warn(char const* msg, int code) {
+        warn = true;
+        std::cerr << whoami << ": WARNING: zlib code " << code
+                  << ", msg = " << msg << std::endl;
+    });
 
-    try
-    {
-	unsigned char buf10000;
-	bool done = false;
-	while (! done)
-	{
-	    size_t len = fread(buf, 1, sizeof(buf), stdin);
-	    if (len <= 0)
-	    {
-		done = true;
-	    }
-	    else
-	    {
-		flate->write(buf, len);
-	    }
-	}
-	flate->finish();
-	delete flate;
-	delete out;
-    }
-    catch (std::exception& e)
-    {
-	std::cerr << e.what() << std::endl;
-	exit(2);
+    try {
+        unsigned char buf10000;
+        bool done = false;
+        while (!done) {
+            size_t len = fread(buf, 1, sizeof(buf), stdin);
+            if (len <= 0) {
+                done = true;
+            } else {
+                flate->write(buf, len);
+            }
+        }
+        flate->finish();
+    } catch (std::exception& e) {
+        std::cerr << whoami << ": " << e.what() << std::endl;
+        exit(2);
     }
 
+    if (warn) {
+        exit(3);
+    }
     return 0;
 }

_service:tar_scm:qpdf-8.4.2.tar.gz/.travis.yml Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/INSTALL Deleted

@@ -1,216 +0,0 @@
-These instructions based on the generic INSTALL file from automake
-1.10.  However, qpdf does not use automake, so not all of that file
-applies.
-
-Basic Installation
-==================
-
-Briefly, the shell commands `./configure; make; make install' should
-configure, build, and install this package.  The following
-more-detailed instructions are generic; see the `README' file for
-instructions specific to this package.
-
-   The `configure' shell script attempts to guess correct values for
-various system-dependent variables used during compilation.  It uses
-those values to create a `Makefile' in each directory of the package.
-It may also create one or more `.h' files containing system-dependent
-definitions.  Finally, it creates a shell script `config.status' that
-you can run in the future to recreate the current configuration, and a
-file `config.log' containing compiler output (useful mainly for
-debugging `configure').
-
-   It can also use an optional file (typically called `config.cache'
-and enabled with `--cache-file=config.cache' or simply `-C') that saves
-the results of its tests to speed up reconfiguring.  Caching is
-disabled by default to prevent problems with accidental use of stale
-cache files.
-
-   If you need to do unusual things to compile the package, please try
-to figure out how `configure' could check whether to do them, and mail
-diffs or instructions to the address given in the `README' so they can
-be considered for the next release.  If you are using the cache, and at
-some point `config.cache' contains results you don't want to keep, you
-may remove or edit it.
-
-   The file `configure.ac' (or `configure.in') is used to create
-`configure' by a program called `autoconf'.  You need `configure.ac' if
-you want to change it or regenerate `configure' using a newer version
-of `autoconf'.
-
-The simplest way to compile this package is:
-
-  1. `cd' to the directory containing the package's source code and type
-     `./configure' to configure the package for your system.
-
-     Running `configure' might take a while.  While running, it prints
-     some messages telling which features it is checking for.
-
-  2. Type `make' to compile the package.
-
-  3. Optionally, type `make check' to run any self-tests that come with
-     the package.
-
-  4. Type `make install' to install the programs and any data files and
-     documentation.
-
-  5. You can remove the program binaries and object files from the
-     source code directory by typing `make clean'.  To also remove the
-     files that `configure' created (so you can compile the package for
-     a different kind of computer), type `make distclean'.  There is
-     also a `make maintainer-clean' target, but that is intended mainly
-     for the package's developers.  If you use it, you may have to get
-     all sorts of other programs in order to regenerate files that came
-     with the distribution.
-
-Compilers and Options
-=====================
-
-Some systems require unusual options for compilation or linking that the
-`configure' script does not know about.  Run `./configure --help' for
-details on some of the pertinent environment variables.
-
-   You can give `configure' initial values for configuration parameters
-by setting variables in the command line or in the environment.  Here
-is an example:
-
-     ./configure CC=c99 CFLAGS=-g LIBS=-lposix
-
-Installation Names
-==================
-
-By default, `make install' installs the package's commands under
-`/usr/local/bin', include files under `/usr/local/include', etc.  You
-can specify an installation prefix other than `/usr/local' by giving
-`configure' the option `--prefix=PREFIX'.
-
-   You can specify separate installation prefixes for
-architecture-specific files and architecture-independent files.  If you
-pass the option `--exec-prefix=PREFIX' to `configure', the package uses
-PREFIX as the prefix for installing programs and libraries.
-Documentation and other data files still use the regular prefix.
-
-   In addition, if you use an unusual directory layout you can give
-options like `--bindir=DIR' to specify different values for particular
-kinds of files.  Run `configure --help' for a list of the directories
-you can set and what kinds of files go in them.
-
-   If the package supports it, you can cause programs to be installed
-with an extra prefix or suffix on their names by giving `configure' the
-option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
-
-   You can also define the variable DESTDIR when you run make install
-to install the package in a separate subdirectory.  This is useful for
-packaging.
-
-Optional Features
-=================
-
-Some packages pay attention to `--enable-FEATURE' options to
-`configure', where FEATURE indicates an optional part of the package.
-They may also pay attention to `--with-PACKAGE' options, where PACKAGE
-is something like `gnu-as' or `x' (for the X Window System).  The
-`README' should mention any `--enable-' and `--with-' options that the
-package recognizes.
-
-   For packages that use the X Window System, `configure' can usually
-find the X include and library files automatically, but if it doesn't,
-you can use the `configure' options `--x-includes=DIR' and
-`--x-libraries=DIR' to specify their locations.
-
-Specifying the System Type
-==========================
-
-There may be some features `configure' cannot figure out automatically,
-but needs to determine by the type of machine the package will run on.
-Usually, assuming the package is built to be run on the _same_
-architectures, `configure' can figure that out, but if it prints a
-message saying it cannot guess the machine type, give it the
-`--build=TYPE' option.  TYPE can either be a short name for the system
-type, such as `sun4', or a canonical name which has the form:
-
-     CPU-COMPANY-SYSTEM
-
-where SYSTEM can have one of these forms:
-
-     OS KERNEL-OS
-
-   See the file `config.sub' for the possible values of each field.  If
-`config.sub' isn't included in this package, then this package doesn't
-need to know the machine type.
-
-   If you are _building_ compiler tools for cross-compiling, you should
-use the option `--target=TYPE' to select the type of system they will
-produce code for.
-
-   If you want to _use_ a cross compiler, that generates code for a
-platform different from the build platform, you should specify the
-"host" platform (i.e., that on which the generated programs will
-eventually be run) with `--host=TYPE'.
-
-Sharing Defaults
-================
-
-If you want to set default values for `configure' scripts to share, you
-can create a site shell script called `config.site' that gives default
-values for variables like `CC', `cache_file', and `prefix'.
-`configure' looks for `PREFIX/share/config.site' if it exists, then
-`PREFIX/etc/config.site' if it exists.  Or, you can set the
-`CONFIG_SITE' environment variable to the location of the site script.
-A warning: not all `configure' scripts look for a site script.
-
-Defining Variables
-==================
-
-Variables not defined in a site shell script can be set in the
-environment passed to `configure'.  However, some packages may run
-configure again during the build, and the customized values of these
-variables may be lost.  In order to avoid this problem, you should set
-them in the `configure' command line, using `VAR=value'.  For example:
-
-     ./configure CC=/usr/local2/bin/gcc
-
-causes the specified `gcc' to be used as the C compiler (unless it is
-overridden in the site shell script).
-
-Unfortunately, this technique does not work for `CONFIG_SHELL' due to
-an Autoconf bug.  Until the bug is fixed you can use this workaround:
-
-     CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
-
-`configure' Invocation
-======================
-
-`configure' recognizes the following options to control how it operates.
-
-`--help'
-`-h'
-     Print a summary of the options to `configure', and exit.
-
-`--version'
-`-V'
-     Print the version of Autoconf used to generate the `configure'
-     script, and exit.
-
-`--cache-file=FILE'
-     Enable the cache: use and save the results of the tests in FILE,
-     traditionally `config.cache'.  FILE defaults to `/dev/null' to
-     disable caching.
-
-`--config-cache'
-`-C'
-     Alias for `--cache-file=config.cache'.
-
-`--quiet'
-`--silent'
-`-q'
-     Do not print messages saying which checks are being made.  To
-     suppress all normal output, redirect it to `/dev/null' (any error
-     messages will still be shown).
-
-`--srcdir=DIR'
-     Look for the package's source code in directory DIR.  Usually
-     `configure' can determine that directory automatically.
-
-`configure' also accepts some other, not widely useful, options.  Run
-`configure --help' for more details.
-

_service:tar_scm:qpdf-8.4.2.tar.gz/Makefile Deleted

@@ -1,140 +0,0 @@
-# This makefile is inspired by abuild (http://www.abuild.org), which
-# was used during the development of qpdf.  The goal here is to have a
-# non-recursive build with all the proper dependencies so we can start
-# the build from anywhere and get the right stuff.  Each directory has
-# a build.mk that is included from here and is written from this
-# directory's perspective.  Each directory also has a proxy Makefile
-# that allows you to start the build from any directory and get
-# reasonable semantics for the all, check, and clean targets.
-
-# Our "build items" are directories.  They are listed here such that
-# no item precedes any item it depends on.  Therefore, each item can
-# safely reference variables set in its predecessors.
-
-# For each build item B, you can run make build_B, make check_B, or
-# make clean_B to build, test, or clean B.  Full dependencies are
-# represented across all the items, so it is possible to start
-# anywhere.  From the top level, the "all", "check", and "clean"
-# targets build, test, or clean everything.
-
-# To run test suites without rebuilding, pass NO_REBUILD=1 to the
-# build. This can be useful for testing binary interface compatibility
-# as it enables you to rebuild libraries and rerun tests without
-# relinking.
-
-# Although this is not a GNU package and does not use automake, you
-# can still run make clean to remove everything that is compiled, make
-# distclean to remove everything that is generated by the end user,
-# and make maintainer-clean to remove everything that is generated
-# including things distributed with the source distribution.  You can
-# pass CLEAN=1 to prevent this Makefile from complaining if
-# ./configure has not been run.
-
-# The install target works as usual and obeys --prefix and so forth
-# passed to ./configure.  You can also pass DESTDIR=/dir to make
-# install to install in a separate location.  This is useful for
-# packagers.
-
-BUILD_ITEMS := manual libqpdf zlib-flate libtests qpdf examples
-OUTPUT_DIR = build
-ALL_TARGETS =
-
-.PHONY: default
-default: all
-
-CLEAN ?=
-ifneq ($(CLEAN),1)
-ifeq ($(words $(wildcard autoconf.mk)),0)
-DUMMY := $(shell echo 1>&2)
-DUMMY := $(shell echo 1>&2 Please run ./configure before running $(MAKE))
-DUMMY := $(shell echo 1>&2)
-$(error unable to continue with build)
-endif
-
-autoconf.mk:
-
-include autoconf.mk
-
-endif
-
-# Prevent gnu make from trying to rebuild .dep files
-$(foreach B,$(BUILD_ITEMS),$(eval \
-  $(B)/$(OUTPUT_DIR)/%.dep: ;))
-
-# Prevent gnu make from trying to rebuild .mk files
-$(foreach B,$(BUILD_ITEMS),$(eval \
-  $(B)/%.mk: ;))
-%.mk: ;
-make/%.mk: ;
-
-BUILDRULES ?= libtool
-include make/rules.mk
-
-DUMMY := $(shell mkdir $(foreach B,$(BUILD_ITEMS),$(B)/$(OUTPUT_DIR)) 2>/dev/null)
-
-include $(foreach B,$(BUILD_ITEMS),$(B)/build.mk)
-
-ALL_TARGETS = $(foreach B,$(BUILD_ITEMS),$(TARGETS_$(B)))
-
-TEST_ITEMS = $(foreach D,\
-                 $(wildcard $(foreach B,$(BUILD_ITEMS),$(B)/qtest)),\
-                 $(subst /,,$(dir $(D))))
-
-TEST_TARGETS = $(foreach B,$(TEST_ITEMS),check_$(B))
-
-CLEAN_TARGETS = $(foreach B,$(BUILD_ITEMS),clean_$(B))
-
-# For test suites
-export QPDF_BIN = $(abspath qpdf/$(OUTPUT_DIR)/qpdf)
-export QPDF_SKIP_TEST_COMPARE_IMAGES
-export QPDF_LARGE_FILE_TEST_PATH
-
-clean:: $(CLEAN_TARGETS)
-	$(RM) -r appimage/build
-
-.PHONY: $(CLEAN_TARGETS)
-$(foreach B,$(BUILD_ITEMS),$(eval \
-  clean_$(B): ; \
-	$(RM) -r $(B)/$(OUTPUT_DIR)))
-
-DISTFILES = doc/qpdf-manual.html doc/qpdf-manual.pdf
-distfiles.zip: $(DISTFILES)
-	$(RM) distfiles.zip
-	zip distfiles.zip $(DISTFILES)
-
-distclean: clean
-	$(RM) -r autoconf.mk autom4te.cache config.log config.status libtool
-	$(RM) libqpdf/qpdf/qpdf-config.h
-	$(RM) manual/html.xsl
-	$(RM) manual/print.xsl
-	$(RM) doc/*.1
-	$(RM) libqpdf.pc libqpdf.map
-
-maintainer-clean: distclean
-	$(RM) doc/qpdf-manual.*
-	$(RM) -r install-mingw* install-msvc* external-libs
-	$(RM) distfiles.zip
-
-.PHONY: $(TEST_TARGETS)
-
-NO_REBUILD ?=
-ifneq ($(NO_REBUILD),1)
-$(foreach B,$(TEST_ITEMS),$(eval \
-  check_$(B): $(TARGETS_$(B))))
-endif
-
-.PHONY: $(foreach B,$(BUILD_ITEMS),build_$(B))
-$(foreach B,$(BUILD_ITEMS),$(eval \
-  build_$(B): $(TARGETS_$(B))))
-
-.PHONY: all
-all: $(ALL_TARGETS) ;
-
-check: $(TEST_TARGETS)
-
-# Install targets are in the make directory in the rules-specific make
-# fragments.
-
-QTEST=$(abspath qtest/bin/qtest-driver)
-$(TEST_TARGETS):
-	$(call run_qtest,$(subst check_,,$@))

_service:tar_scm:qpdf-8.4.2.tar.gz/README-windows-install.txt Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/aclocal.m4 Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/autoconf.mk.in Deleted

@@ -1,48 +0,0 @@
-PACKAGE_TARNAME=@PACKAGE_TARNAME@
-PACKAGE_VERSION=@PACKAGE_VERSION@
-LT_CURRENT=@LT_CURRENT@
-LT_REVISION=@LT_REVISION@
-LT_AGE=@LT_AGE@
-top_builddir=@top_builddir@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-bindir=@bindir@
-libdir=@libdir@
-includedir=@includedir@
-datarootdir=@datarootdir@
-mandir=@mandir@
-docdir=@docdir@
-htmldir=@htmldir@
-pdfdir=@pdfdir
-CC=@CC@
-WFLAGS=@WFLAGS@
-CXXWFLAGS=@CXXWFLAGS@
-CFLAGS=@CFLAGS@ $(WFLAGS)
-LDFLAGS=@LDFLAGS@
-LIBS=@LIBS@
-CPPFLAGS=@CPPFLAGS@
-CXX=@CXX@
-CXXFLAGS=@CXXFLAGS@ $(CXXWFLAGS) $(WFLAGS)
-AR=@AR@
-RANLIB=@RANLIB@
-DLLTOOL=@DLLTOOL@
-STRIP=@STRIP@
-OBJDUMP=@OBJDUMP@
-GENDEPS=@GENDEPS@
-LIBTOOL=@LIBTOOL@
-DOCBOOKX_DTD=@DOCBOOKX_DTD@
-FOP=@FOP@
-XSLTPROC=@XSLTPROC@
-XMLLINT=@XMLLINT@
-BUILD_HTML=@BUILD_HTML@
-BUILD_PDF=@BUILD_PDF@
-VALIDATE_DOC=@VALIDATE_DOC@
-QPDF_SKIP_TEST_COMPARE_IMAGES=@QPDF_SKIP_TEST_COMPARE_IMAGES@
-BUILDRULES=@BUILDRULES@
-HAVE_LD_VERSION_SCRIPT=@HAVE_LD_VERSION_SCRIPT@
-WINDOWS_WORDSIZE=@WINDOWS_WORDSIZE@
-WINDOWS_WMAIN_COMPILE=@WINDOWS_WMAIN_COMPILE@
-WINDOWS_WMAIN_LINK=@WINDOWS_WMAIN_LINK@
-SHOW_FAILED_TEST_OUTPUT=@SHOW_FAILED_TEST_OUTPUT@
-# Allow environment variable to override
-QPDF_LARGE_FILE_TEST_PATH?=@QPDF_LARGE_FILE_TEST_PATH@

_service:tar_scm:qpdf-8.4.2.tar.gz/autofiles.sums Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/autogen.sh Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/azure-pipelines Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/azure-pipelines.yml Deleted

@@ -1,102 +0,0 @@
-jobs:
-- job: Linux
-  pool:
-    vmImage: ubuntu-16.04
-  steps:
-  - script: azure-pipelines/build-linux
-    displayName: 'Generate, build, and test'
-  - task: PublishBuildArtifacts@1
-    inputs:
-      pathtoPublish: '$(System.DefaultWorkingDirectory)/distfiles.zip'
-      artifactName: distfiles
-    displayName: 'Upload extra distribution files'
-    condition: eq(variables'System.PullRequest.IsFork', 'False')
-  - task: PublishBuildArtifacts@1
-    inputs:
-      pathtoPublish: '$(System.DefaultWorkingDirectory)/distribution'
-      artifactName: distribution
-    displayName: 'Upload source distribution'
-    condition: eq(variables'System.PullRequest.IsFork', 'False')
-  - task: PublishTestResults@2
-    inputs:
-      testRunTitle: Linux
-      buildPlatform: Linux
-- job: Windows
-  pool:
-    vmImage: vs2017-win2016
-  strategy:
-    matrix:
-      msvc32:
-        wordsize: 32
-        tool: msvc
-      msvc64:
-        wordsize: 64
-        tool: msvc
-      mingw32:
-        wordsize: 32
-        tool: mingw
-      mingw64:
-        wordsize: 64
-        tool: mingw
-    maxParallel: 4
-  steps:
-  - bash: git config --global core.autocrlf input
-    displayName: 'Disable git autocrlf'
-  - checkout: self
-    displayName: 'Get sources'
-  - task: DownloadBuildArtifacts@0
-    displayName: 'Download distribution files'
-    inputs:
-      artifactName: distfiles
-      downloadPath: $(System.DefaultWorkingDirectory)
-    condition: eq(variables'System.PullRequest.IsFork', 'False')
-  - script: azure-pipelines/build-windows.bat $(wordsize) $(tool)
-    displayName: 'Build, test, generate binary distributions'
-  - task: PublishBuildArtifacts@1
-    inputs:
-      pathtoPublish: '$(System.DefaultWorkingDirectory)/distribution'
-      artifactName: distribution
-    displayName: 'Upload binary distributions'
-    condition: eq(variables'System.PullRequest.IsFork', 'False')
-  - task: PublishTestResults@2
-    inputs:
-      testRunTitle: Windows-$(wordsize)$(tool)
-      buildPlatform: Windows-$(wordsize)$(tool)
-  dependsOn: Linux
-  condition: succeeded()
-- job: macOS
-  pool:
-    vmImage: macOS-10.13
-  steps:
-  - task: DownloadBuildArtifacts@0
-    displayName: 'Download distribution files'
-    inputs:
-      artifactName: distfiles
-      downloadPath: $(System.DefaultWorkingDirectory)
-    condition: eq(variables'System.PullRequest.IsFork', 'False')
-  - script: azure-pipelines/build-mac
-    displayName: 'Mac build and test'
-  - task: PublishTestResults@2
-    inputs:
-      testRunTitle: MacOS
-      buildPlatform: MacOS
-  dependsOn: Linux
-  condition: succeeded()
-- job: AppImage
-  pool:
-    vmImage: ubuntu-16.04
-  steps:
-  - script: azure-pipelines/build-appimage
-    displayName: 'Build AppImage'
-  - task: PublishBuildArtifacts@1
-    inputs:
-      pathtoPublish: '$(System.DefaultWorkingDirectory)/distribution'
-      artifactName: distribution
-    displayName: 'Upload AppImage'
-    condition: eq(variables'System.PullRequest.IsFork', 'False')
-  - task: PublishTestResults@2
-    inputs:
-      testRunTitle: AppImage
-      buildPlatform: AppImage
-  dependsOn: Linux
-  condition: succeeded()

_service:tar_scm:qpdf-8.4.2.tar.gz/azure-pipelines/build-appimage Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/azure-pipelines/build-linux Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/azure-pipelines/build-mac Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/azure-pipelines/build-windows Deleted

@@ -1,39 +0,0 @@
-#!/bin/bash
-set -ex
-cd $(dirname $0)/..
-wordsize=$1
-tool=$2
-
-if  $tool == mingw ; then
-    pacman -Sy --noconfirm make base-devel tar zip unzip
-    if  $wordsize == 64 ; then
-        pacman -Sy --noconfirm mingw-w64-x86_64-toolchain
-        PATH="/c/tools/msys64/mingw64/bin:$PATH"
-    else
-        pacman -Sy --noconfirm mingw-w64-i686-toolchain
-        PATH="/c/tools/msys64/mingw32/bin:$PATH"
-    fi
-    g++ -v
-elif  $tool == msvc ; then
-    cl
-fi
-if  -f distfiles/distfiles.zip ; then
-    unzip distfiles/distfiles.zip
-fi
-curl -L https://github.com/qpdf/qpdf/raw/external-libs/qpdf-external-libs-bin.zip -o qpdf-external-libs-bin.zip
-unzip qpdf-external-libs-bin.zip
-cwd=`pwd`
-PATH=$cwd/libqpdf/build:$PATH
-
-installdir=install-$tool$wordsize
-rm -rf $installdir
-./config-$tool --with-windows-wordsize=$wordsize --enable-show-failed-test-output
-make -j$(nproc) -k
-make -k check
-make install
-
-v=`(cd $installdir; ls -d qpdf-*)`
-cp -p README-windows-install.txt $installdir/$v/README.txt
-mkdir distribution
-(cd $installdir; zip -r ../distribution/$v-bin-$tool$wordsize-ci.zip $v)
-sha256sum distribution/*

_service:tar_scm:qpdf-8.4.2.tar.gz/azure-pipelines/build-windows.bat Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/config-mingw Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/config-msvc Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/config.guess Deleted

@@ -1,1530 +0,0 @@
-#! /bin/sh
-# Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-#   2011, 2012 Free Software Foundation, Inc.
-
-timestamp='2012-02-10'
-
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
-#
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-
-# Originally written by Per Bothner.  Please send patches (context
-# diff format) to <config-patches@gnu.org> and include a ChangeLog
-# entry.
-#
-# This script attempts to guess a canonical system name similar to
-# config.sub.  If it succeeds, it prints the system name on stdout, and
-# exits with 0.  Otherwise, it exits with 1.
-#
-# You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
-
-me=`echo "$0" | sed -e 's,.*/,,'`
-
-usage="\
-Usage: $0 OPTION
-
-Output the configuration name of the system \`$me' is run on.
-
-Operation modes:
-  -h, --help         print this help, then exit
-  -t, --time-stamp   print date of last modification, then exit
-  -v, --version      print version number, then exit
-
-Report bugs and patches to <config-patches@gnu.org>."
-
-version="\
-GNU config.guess ($timestamp)
-
-Originally written by Per Bothner.
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-Free Software Foundation, Inc.
-
-This is free software; see the source for copying conditions.  There is NO
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
-
-help="
-Try \`$me --help' for more information."
-
-# Parse command line
-while test $# -gt 0 ; do
-  case $1 in
-    --time-stamp | --time* | -t )
-       echo "$timestamp" ; exit ;;
-    --version | -v )
-       echo "$version" ; exit ;;
-    --help | --h* | -h )
-       echo "$usage"; exit ;;
-    -- )     # Stop option processing
-       shift; break ;;
-    - )	# Use stdin as input.
-       break ;;
-    -* )
-       echo "$me: invalid option $1$help" >&2
-       exit 1 ;;
-    * )
-       break ;;
-  esac
-done
-
-if test $# != 0; then
-  echo "$me: too many arguments$help" >&2
-  exit 1
-fi
-
-trap 'exit 1' 1 2 15
-
-# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
-# compiler to aid in system detection is discouraged as it requires
-# temporary files to be created and, as you can see below, it is a
-# headache to deal with in a portable fashion.
-
-# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
-# use `HOST_CC' if defined, but it is deprecated.
-
-# Portable tmp directory creation inspired by the Autoconf team.
-
-set_cc_for_build='
-trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
-trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
-: ${TMPDIR=/tmp} ;
- { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
- { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
- { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
- { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
-dummy=$tmp/dummy ;
-tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
-case $CC_FOR_BUILD,$HOST_CC,$CC in
- ,,)    echo "int x;" > $dummy.c ;
-	for c in cc gcc c89 c99 ; do
-	  if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
-	     CC_FOR_BUILD="$c"; break ;
-	  fi ;
-	done ;
-	if test x"$CC_FOR_BUILD" = x ; then
-	  CC_FOR_BUILD=no_compiler_found ;
-	fi
-	;;
- ,,*)   CC_FOR_BUILD=$CC ;;
- ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
-esac ; set_cc_for_build= ;'
-
-# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
-# (ghazi@noc.rutgers.edu 1994-08-24)
-if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
-	PATH=$PATH:/.attbin ; export PATH
-fi
-
-UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
-UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
-UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
-UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
-
-# Note: order is significant - the case branches are not exclusive.
-
-case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
-    *:NetBSD:*:*)
-	# NetBSD (nbsd) targets should (where applicable) match one or
-	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
-	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
-	# switched to ELF, *-*-netbsd* would select the old
-	# object file format.  This provides both forward
-	# compatibility and a consistent mechanism for selecting the
-	# object file format.
-	#
-	# Note: NetBSD doesn't particularly care about the vendor
-	# portion of the name.  We always set it to "unknown".
-	sysctl="sysctl -n hw.machine_arch"
-	UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
-	    /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
-	case "${UNAME_MACHINE_ARCH}" in
-	    armeb) machine=armeb-unknown ;;
-	    arm*) machine=arm-unknown ;;
-	    sh3el) machine=shl-unknown ;;
-	    sh3eb) machine=sh-unknown ;;
-	    sh5el) machine=sh5le-unknown ;;
-	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
-	esac
-	# The Operating System including object format, if it has switched
-	# to ELF recently, or will in the future.
-	case "${UNAME_MACHINE_ARCH}" in
-	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
-		eval $set_cc_for_build
-		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
-			| grep -q __ELF__
-		then
-		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
-		    # Return netbsd for either.  FIX?
-		    os=netbsd
-		else
-		    os=netbsdelf
-		fi
-		;;
-	    *)
-		os=netbsd
-		;;
-	esac
-	# The OS release
-	# Debian GNU/NetBSD machines have a different userland, and
-	# thus, need a distinct triplet. However, they do not need
-	# kernel version information, so it can be replaced with a
-	# suitable tag, in the style of linux-gnu.
-	case "${UNAME_VERSION}" in
-	    Debian*)
-		release='-gnu'
-		;;
-	    *)
-		release=`echo ${UNAME_RELEASE}|sed -e 's/-_.*/\./'`
-		;;
-	esac
-	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
-	# contains redundant information, the shorter form:
-	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-	echo "${machine}-${os}${release}"
-	exit ;;
-    *:OpenBSD:*:*)
-	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
-	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
-	exit ;;
-    *:ekkoBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
-	exit ;;
-    *:SolidBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
-	exit ;;
-    macppc:MirBSD:*:*)
-	echo powerpc-unknown-mirbsd${UNAME_RELEASE}
-	exit ;;
-    *:MirBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
-	exit ;;
-    alpha:OSF1:*:*)
-	case $UNAME_RELEASE in
-	*4.0)
-		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
-		;;
-	*5.*)
-		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
-		;;
-	esac
-	# According to Compaq, /usr/sbin/psrinfo has been available on
-	# OSF/1 and Tru64 systems produced since 1995.  I hope that
-	# covers most systems running today.  This code pipes the CPU
-	# types through head -n 1, so we only detect the type of CPU 0.
-	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha $.*$ processor.*$/\1/p' | head -n 1`
-	case "$ALPHA_CPU_TYPE" in
-	    "EV4 (21064)")
-		UNAME_MACHINE="alpha" ;;
-	    "EV4.5 (21064)")
-		UNAME_MACHINE="alpha" ;;
-	    "LCA4 (21066/21068)")
-		UNAME_MACHINE="alpha" ;;
-	    "EV5 (21164)")
-		UNAME_MACHINE="alphaev5" ;;
-	    "EV5.6 (21164A)")
-		UNAME_MACHINE="alphaev56" ;;
-	    "EV5.6 (21164PC)")
-		UNAME_MACHINE="alphapca56" ;;
-	    "EV5.7 (21164PC)")
-		UNAME_MACHINE="alphapca57" ;;
-	    "EV6 (21264)")
-		UNAME_MACHINE="alphaev6" ;;
-	    "EV6.7 (21264A)")
-		UNAME_MACHINE="alphaev67" ;;
-	    "EV6.8CB (21264C)")
-		UNAME_MACHINE="alphaev68" ;;
-	    "EV6.8AL (21264B)")
-		UNAME_MACHINE="alphaev68" ;;
-	    "EV6.8CX (21264D)")
-		UNAME_MACHINE="alphaev68" ;;
-	    "EV6.9A (21264/EV69A)")
-		UNAME_MACHINE="alphaev69" ;;
-	    "EV7 (21364)")
-		UNAME_MACHINE="alphaev7" ;;
-	    "EV7.9 (21364A)")
-		UNAME_MACHINE="alphaev79" ;;
-	esac
-	# A Pn.n version is a patched version.
-	# A Vn.n version is a released version.
-	# A Tn.n version is a released field test version.
-	# A Xn.n version is an unreleased experimental baselevel.
-	# 1.2 uses "1.2" for uname -r.
-	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^PVTX//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
-	exitcode=$?
-	trap '' 0
-	exit $exitcode ;;
-    Alpha\ *:Windows_NT*:*)
-	# How do we know it's Interix rather than the generic POSIX subsystem?
-	# Should we change UNAME_MACHINE based on the output of uname instead
-	# of the specific Alpha model?
-	echo alpha-pc-interix
-	exit ;;
-    21064:Windows_NT:50:3)
-	echo alpha-dec-winnt3.5
-	exit ;;
-    Amiga*:UNIX_System_V:4.0:*)
-	echo m68k-unknown-sysv4
-	exit ;;
-    *:AamigaOoSs:*:*)
-	echo ${UNAME_MACHINE}-unknown-amigaos
-	exit ;;
-    *:MmorphOoSs:*:*)
-	echo ${UNAME_MACHINE}-unknown-morphos
-	exit ;;
-    *:OS/390:*:*)
-	echo i370-ibm-openedition
-	exit ;;
-    *:z/VM:*:*)
-	echo s390-ibm-zvmoe
-	exit ;;
-    *:OS400:*:*)
-	echo powerpc-ibm-os400
-	exit ;;
-    arm:RISC*:1.012*:*|arm:riscix:1.012*:*)
-	echo arm-acorn-riscix${UNAME_RELEASE}
-	exit ;;
-    arm:riscos:*:*|arm:RISCOS:*:*)
-	echo arm-unknown-riscos
-	exit ;;
-    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
-	echo hppa1.1-hitachi-hiuxmpp
-	exit ;;
-    Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
-	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
-	if test "`(/bin/universe) 2>/dev/null`" = att ; then
-		echo pyramid-pyramid-sysv3
-	else
-		echo pyramid-pyramid-bsd
-	fi
-	exit ;;
-    NILE*:*:*:dcosx)
-	echo pyramid-pyramid-svr4
-	exit ;;
-    DRS?6000:unix:4.0:6*)
-	echo sparc-icl-nx6
-	exit ;;
-    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
-	case `/usr/bin/uname -p` in
-	    sparc) echo sparc-icl-nx7; exit ;;
-	esac ;;
-    s390x:SunOS:*:*)
-	echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/^.*//'`
-	exit ;;
-    sun4H:SunOS:5.*:*)
-	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/^.*//'`
-	exit ;;
-    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
-	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/^.*//'`
-	exit ;;
-    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
-	echo i386-pc-auroraux${UNAME_RELEASE}
-	exit ;;
-    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
-	eval $set_cc_for_build
-	SUN_ARCH="i386"
-	# If there is a compiler, see if it is configured for 64-bit objects.
-	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
-	# This test works for both compilers.
-	if  "$CC_FOR_BUILD" != 'no_compiler_found' ; then
-	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
-		(CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
-		grep IS_64BIT_ARCH >/dev/null
-	    then
-		SUN_ARCH="x86_64"
-	    fi
-	fi
-	echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/^.*//'`
-	exit ;;
-    sun4*:SunOS:6*:*)
-	# According to config.sub, this is the proper way to canonicalize
-	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
-	# it's likely to be more like Solaris than SunOS4.
-	echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/^.*//'`
-	exit ;;
-    sun4*:SunOS:*:*)
-	case "`/usr/bin/arch -k`" in
-	    Series*|S4*)
-		UNAME_RELEASE=`uname -v`
-		;;
-	esac
-	# Japanese Language versions have a version number like `4.1.3-JL'.
-	echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
-	exit ;;
-    sun3*:SunOS:*:*)
-	echo m68k-sun-sunos${UNAME_RELEASE}
-	exit ;;
-    sun*:*:4.2BSD:*)
-	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
-	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
-	case "`/bin/arch`" in
-	    sun3)
-		echo m68k-sun-sunos${UNAME_RELEASE}
-		;;
-	    sun4)
-		echo sparc-sun-sunos${UNAME_RELEASE}
-		;;
-	esac
-	exit ;;
-    aushp:SunOS:*:*)
-	echo sparc-auspex-sunos${UNAME_RELEASE}
-	exit ;;
-    # The situation for MiNT is a little confusing.  The machine name
-    # can be virtually everything (everything which is not
-    # "atarist" or "atariste" at least should have a processor
-    # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
-    # to the lowercase version "mint" (or "freemint").  Finally
-    # the system name "TOS" denotes a system which is actually not
-    # MiNT.  But MiNT is downward compatible to TOS, so this should
-    # be no problem.
-    atariste:*MiNT:*:* | atariste:*mint:*:* | atariste:*TOS:*:*)
-	echo m68k-atari-mint${UNAME_RELEASE}
-	exit ;;
-    atari*:*MiNT:*:* | atari*:*mint:*:* | atariste:*TOS:*:*)
-	echo m68k-atari-mint${UNAME_RELEASE}
-	exit ;;
-    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
-	echo m68k-atari-mint${UNAME_RELEASE}
-	exit ;;
-    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
-	echo m68k-milan-mint${UNAME_RELEASE}
-	exit ;;
-    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
-	echo m68k-hades-mint${UNAME_RELEASE}
-	exit ;;
-    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
-	echo m68k-unknown-mint${UNAME_RELEASE}
-	exit ;;
-    m68k:machten:*:*)
-	echo m68k-apple-machten${UNAME_RELEASE}
-	exit ;;
-    powerpc:machten:*:*)
-	echo powerpc-apple-machten${UNAME_RELEASE}
-	exit ;;
-    RISC*:Mach:*:*)
-	echo mips-dec-mach_bsd4.3
-	exit ;;
-    RISC*:ULTRIX:*:*)
-	echo mips-dec-ultrix${UNAME_RELEASE}
-	exit ;;
-    VAX*:ULTRIX*:*:*)
-	echo vax-dec-ultrix${UNAME_RELEASE}
-	exit ;;
-    2020:CLIX:*:* | 2430:CLIX:*:*)
-	echo clipper-intergraph-clix${UNAME_RELEASE}
-	exit ;;
-    mips:*:*:UMIPS | mips:*:*:RISCos)
-	eval $set_cc_for_build
-	sed 's/^	//' << EOF >$dummy.c
-#ifdef __cplusplus
-#include <stdio.h>  /* for printf() prototype */
-	int main (int argc, char *argv) {
-#else
-	int main (argc, argv) int argc; char *argv; {
-#endif
-	#if defined (host_mips) && defined (MIPSEB)
-	#if defined (SYSTYPE_SYSV)
-	  printf ("mips-mips-riscos%ssysv\n", argv1); exit (0);
-	#endif
-	#if defined (SYSTYPE_SVR4)
-	  printf ("mips-mips-riscos%ssvr4\n", argv1); exit (0);
-	#endif
-	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
-	  printf ("mips-mips-riscos%sbsd\n", argv1); exit (0);
-	#endif
-	#endif
-	  exit (-1);
-	}
-EOF
-	$CC_FOR_BUILD -o $dummy $dummy.c &&
-	  dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/$0-9*$.*/\1/p'` &&
-	  SYSTEM_NAME=`$dummy $dummyarg` &&
-	    { echo "$SYSTEM_NAME"; exit; }
-	echo mips-mips-riscos${UNAME_RELEASE}
-	exit ;;
-    Motorola:PowerMAX_OS:*:*)
-	echo powerpc-motorola-powermax
-	exit ;;
-    Motorola:*:4.3:PL8-*)
-	echo powerpc-harris-powermax
-	exit ;;
-    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
-	echo powerpc-harris-powermax
-	exit ;;
-    Night_Hawk:Power_UNIX:*:*)
-	echo powerpc-harris-powerunix
-	exit ;;
-    m88k:CX/UX:7*:*)
-	echo m88k-harris-cxux7
-	exit ;;
-    m88k:*:4*:R4*)
-	echo m88k-motorola-sysv4
-	exit ;;
-    m88k:*:3*:R3*)
-	echo m88k-motorola-sysv3
-	exit ;;
-    AViiON:dgux:*:*)
-	# DG/UX returns AViiON for all architectures
-	UNAME_PROCESSOR=`/usr/bin/uname -p`
-	if  $UNAME_PROCESSOR = mc88100  ||  $UNAME_PROCESSOR = mc88110 
-	then
-	    if  ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx  || \
-	        ${TARGET_BINARY_INTERFACE}x = x 
-	    then
-		echo m88k-dg-dgux${UNAME_RELEASE}
-	    else
-		echo m88k-dg-dguxbcs${UNAME_RELEASE}
-	    fi
-	else
-	    echo i586-dg-dgux${UNAME_RELEASE}
-	fi
-	exit ;;
-    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
-	echo m88k-dolphin-sysv3
-	exit ;;
-    M88*:*:R3*:*)
-	# Delta 88k system running SVR3
-	echo m88k-motorola-sysv3
-	exit ;;
-    XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
-	echo m88k-tektronix-sysv3
-	exit ;;
-    Tek430-90-9:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
-	echo m68k-tektronix-bsd
-	exit ;;
-    *:IRIX*:*:*)
-	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
-	exit ;;
-    ????????:AIX?:12.1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
-	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
-	exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
-    i*86:AIX:*:*)
-	echo i386-ibm-aix
-	exit ;;
-    ia64:AIX:*:*)
-	if  -x /usr/bin/oslevel  ; then
-		IBM_REV=`/usr/bin/oslevel`
-	else
-		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
-	fi
-	echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
-	exit ;;
-    *:AIX:2:3)
-	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
-		eval $set_cc_for_build
-		sed 's/^		//' << EOF >$dummy.c
-		#include <sys/systemcfg.h>
-
-		main()
-			{
-			if (!__power_pc())
-				exit(1);
-			puts("powerpc-ibm-aix3.2.5");
-			exit(0);
-			}
-EOF
-		if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
-		then
-			echo "$SYSTEM_NAME"
-		else
-			echo rs6000-ibm-aix3.2.5
-		fi
-	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
-		echo rs6000-ibm-aix3.2.4
-	else
-		echo rs6000-ibm-aix3.2
-	fi
-	exit ;;
-    *:AIX:*:4567)
-	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
-	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
-		IBM_ARCH=rs6000
-	else
-		IBM_ARCH=powerpc
-	fi
-	if  -x /usr/bin/oslevel  ; then
-		IBM_REV=`/usr/bin/oslevel`
-	else
-		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
-	fi
-	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
-	exit ;;
-    *:AIX:*:*)
-	echo rs6000-ibm-aix
-	exit ;;
-    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
-	echo romp-ibm-bsd4.4
-	exit ;;
-    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
-	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
-	exit ;;                             # report: romp-ibm BSD 4.3
-    *:BOSX:*:*)
-	echo rs6000-bull-bosx
-	exit ;;
-    DPX/2?00:B.O.S.:*:*)
-	echo m68k-bull-sysv3
-	exit ;;
-    9000/34??:4.3bsd:1.*:*)
-	echo m68k-hp-bsd
-	exit ;;
-    hp300:4.4BSD:*:* | 9000/34??:4.3bsd:2.*:*)
-	echo m68k-hp-bsd4.4
-	exit ;;
-    9000/34678??:HP-UX:*:*)
-	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/^.*.0B*//'`
-	case "${UNAME_MACHINE}" in
-	    9000/31? )            HP_ARCH=m68000 ;;
-	    9000/34?? )         HP_ARCH=m68k ;;
-	    9000/6780-90-9)
-		if  -x /usr/bin/getconf ; then
-		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
-		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
-		    case "${sc_cpu_version}" in
-		      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
-		      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
-		      532)                      # CPU_PA_RISC2_0
-			case "${sc_kernel_bits}" in
-			  32) HP_ARCH="hppa2.0n" ;;
-			  64) HP_ARCH="hppa2.0w" ;;
-			  '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
-			esac ;;
-		    esac
-		fi
-		if  "${HP_ARCH}" = "" ; then
-		    eval $set_cc_for_build
-		    sed 's/^		//' << EOF >$dummy.c
-
-		#define _HPUX_SOURCE
-		#include <stdlib.h>
-		#include <unistd.h>
-
-		int main ()
-		{
-		#if defined(_SC_KERNEL_BITS)
-		    long bits = sysconf(_SC_KERNEL_BITS);
-		#endif
-		    long cpu  = sysconf (_SC_CPU_VERSION);
-
-		    switch (cpu)
-			{
-			case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
-			case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
-			case CPU_PA_RISC2_0:
-		#if defined(_SC_KERNEL_BITS)
-			    switch (bits)
-				{
-				case 64: puts ("hppa2.0w"); break;
-				case 32: puts ("hppa2.0n"); break;
-				default: puts ("hppa2.0"); break;
-				} break;
-		#else  /* !defined(_SC_KERNEL_BITS) */
-			    puts ("hppa2.0"); break;
-		#endif
-			default: puts ("hppa1.0"); break;
-			}
-		    exit (0);
-		}
-EOF
-		    (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
-		    test -z "$HP_ARCH" && HP_ARCH=hppa
-		fi ;;
-	esac
-	if  ${HP_ARCH} = "hppa2.0w" 
-	then
-	    eval $set_cc_for_build
-
-	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
-	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
-	    # generating 64-bit code.  GNU and HP use different nomenclature:
-	    #
-	    # $ CC_FOR_BUILD=cc ./config.guess
-	    # => hppa2.0w-hp-hpux11.23
-	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
-	    # => hppa64-hp-hpux11.23
-
-	    if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
-		grep -q __LP64__
-	    then
-		HP_ARCH="hppa2.0w"
-	    else
-		HP_ARCH="hppa64"
-	    fi
-	fi
-	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
-	exit ;;
-    ia64:HP-UX:*:*)
-	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/^.*.0B*//'`
-	echo ia64-hp-hpux${HPUX_REV}
-	exit ;;
-    3050*:HI-UX:*:*)
-	eval $set_cc_for_build
-	sed 's/^	//' << EOF >$dummy.c
-	#include <unistd.h>
-	int
-	main ()
-	{
-	  long cpu = sysconf (_SC_CPU_VERSION);
-	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
-	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
-	     results, however.  */
-	  if (CPU_IS_PA_RISC (cpu))
-	    {
-	      switch (cpu)
-		{
-		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
-		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
-		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
-		  default: puts ("hppa-hitachi-hiuxwe2"); break;
-		}
-	    }
-	  else if (CPU_IS_HP_MC68K (cpu))
-	    puts ("m68k-hitachi-hiuxwe2");
-	  else puts ("unknown-hitachi-hiuxwe2");
-	  exit (0);
-	}
-EOF
-	$CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
-		{ echo "$SYSTEM_NAME"; exit; }
-	echo unknown-hitachi-hiuxwe2
-	exit ;;
-    9000/7??:4.3bsd:*:* | 9000/8?79:4.3bsd:*:* )
-	echo hppa1.1-hp-bsd
-	exit ;;
-    9000/8??:4.3bsd:*:*)
-	echo hppa1.0-hp-bsd
-	exit ;;
-    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
-	echo hppa1.0-hp-mpeix
-	exit ;;
-    hp7??:OSF1:*:* | hp8?79:OSF1:*:* )
-	echo hppa1.1-hp-osf
-	exit ;;
-    hp8??:OSF1:*:*)
-	echo hppa1.0-hp-osf
-	exit ;;
-    i*86:OSF1:*:*)
-	if  -x /usr/sbin/sysversion  ; then
-	    echo ${UNAME_MACHINE}-unknown-osf1mk
-	else
-	    echo ${UNAME_MACHINE}-unknown-osf1
-	fi
-	exit ;;
-    parisc*:Lites*:*:*)
-	echo hppa1.1-hp-lites
-	exit ;;
-    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
-	echo c1-convex-bsd
-	exit ;;
-    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
-	if getsysinfo -f scalar_acc
-	then echo c32-convex-bsd
-	else echo c2-convex-bsd
-	fi
-	exit ;;
-    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
-	echo c34-convex-bsd
-	exit ;;
-    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
-	echo c38-convex-bsd
-	exit ;;
-    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
-	echo c4-convex-bsd
-	exit ;;
-    CRAY*Y-MP:*:*:*)
-	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.^.*$/.X/'
-	exit ;;
-    CRAY*A-Z90:*:*:*)
-	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
-	| sed -e 's/CRAY.*$A-Z90$/\1/' \
-	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
-	      -e 's/\.^.*$/.X/'
-	exit ;;
-    CRAY*TS:*:*:*)
-	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.^.*$/.X/'
-	exit ;;
-    CRAY*T3E:*:*:*)
-	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.^.*$/.X/'
-	exit ;;
-    CRAY*SV1:*:*:*)
-	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.^.*$/.X/'
-	exit ;;
-    *:UNICOS/mp:*:*)
-	echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.^.*$/.X/'
-	exit ;;
-    F3001:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
-	FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
-	FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
-	echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
-	exit ;;
-    5000:UNIX_System_V:4.*:*)
-	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
-	FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
-	echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
-	exit ;;
-    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
-	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
-	exit ;;
-    sparc*:BSD/OS:*:*)
-	echo sparc-unknown-bsdi${UNAME_RELEASE}
-	exit ;;
-    *:BSD/OS:*:*)
-	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
-	exit ;;
-    *:FreeBSD:*:*)
-	UNAME_PROCESSOR=`/usr/bin/uname -p`
-	case ${UNAME_PROCESSOR} in
-	    amd64)
-		echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/-(.*//'` ;;
-	    *)
-		echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/-(.*//'` ;;
-	esac
-	exit ;;
-    i*:CYGWIN*:*)
-	echo ${UNAME_MACHINE}-pc-cygwin
-	exit ;;
-    *:MINGW*:*)
-	echo ${UNAME_MACHINE}-pc-mingw32
-	exit ;;
-    i*:MSYS*:*)
-	echo ${UNAME_MACHINE}-pc-msys
-	exit ;;
-    i*:windows32*:*)
-	# uname -m includes "-pc" on this system.
-	echo ${UNAME_MACHINE}-mingw32
-	exit ;;
-    i*:PW*:*)
-	echo ${UNAME_MACHINE}-pc-pw32
-	exit ;;
-    *:Interix*:*)
-	case ${UNAME_MACHINE} in
-	    x86)
-		echo i586-pc-interix${UNAME_RELEASE}
-		exit ;;
-	    authenticamd | genuineintel | EM64T)
-		echo x86_64-unknown-interix${UNAME_RELEASE}
-		exit ;;
-	    IA64)
-		echo ia64-unknown-interix${UNAME_RELEASE}
-		exit ;;
-	esac ;;
-    34586:Windows_95:* | 34586:Windows_98:* | 34586:Windows_NT:*)
-	echo i${UNAME_MACHINE}-pc-mks
-	exit ;;
-    8664:Windows_NT:*)
-	echo x86_64-pc-mks
-	exit ;;
-    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
-	# How do we know it's Interix rather than the generic POSIX subsystem?
-	# It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
-	# UNAME_MACHINE based on the output of uname instead of i386?
-	echo i586-pc-interix
-	exit ;;
-    i*:UWIN*:*)
-	echo ${UNAME_MACHINE}-pc-uwin
-	exit ;;
-    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
-	echo x86_64-unknown-cygwin
-	exit ;;
-    p*:CYGWIN*:*)
-	echo powerpcle-unknown-cygwin
-	exit ;;
-    prep*:SunOS:5.*:*)
-	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/^.*//'`
-	exit ;;
-    *:GNU:*:*)
-	# the GNU system
-	echo `echo ${UNAME_MACHINE}|sed -e 's,-/.*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
-	exit ;;
-    *:GNU/*:*:*)
-	# other systems with GNU libc and userland
-	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^^/*/,,' | tr 'A-Z' 'a-z'``echo ${UNAME_RELEASE}|sed -e 's/-(.*//'`-gnu
-	exit ;;
-    i*86:Minix:*:*)
-	echo ${UNAME_MACHINE}-pc-minix
-	exit ;;
-    aarch64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    aarch64_be:Linux:*:*)
-	UNAME_MACHINE=aarch64_be
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    alpha:Linux:*:*)
-	case `sed -n '/^cpu model/s/^.*: $.*$/\1/p' < /proc/cpuinfo` in
-	  EV5)   UNAME_MACHINE=alphaev5 ;;
-	  EV56)  UNAME_MACHINE=alphaev56 ;;
-	  PCA56) UNAME_MACHINE=alphapca56 ;;
-	  PCA57) UNAME_MACHINE=alphapca56 ;;
-	  EV6)   UNAME_MACHINE=alphaev6 ;;
-	  EV67)  UNAME_MACHINE=alphaev67 ;;
-	  EV68*) UNAME_MACHINE=alphaev68 ;;
-	esac
-	objdump --private-headers /bin/sh | grep -q ld.so.1
-	if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
-	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
-	exit ;;
-    arm*:Linux:*:*)
-	eval $set_cc_for_build
-	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
-	    | grep -q __ARM_EABI__
-	then
-	    echo ${UNAME_MACHINE}-unknown-linux-gnu
-	else
-	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
-		| grep -q __ARM_PCS_VFP
-	    then
-		echo ${UNAME_MACHINE}-unknown-linux-gnueabi
-	    else
-		echo ${UNAME_MACHINE}-unknown-linux-gnueabihf
-	    fi
-	fi
-	exit ;;
-    avr32*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    cris:Linux:*:*)
-	echo ${UNAME_MACHINE}-axis-linux-gnu
-	exit ;;
-    crisv32:Linux:*:*)
-	echo ${UNAME_MACHINE}-axis-linux-gnu
-	exit ;;
-    frv:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    hexagon:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    i*86:Linux:*:*)
-	LIBC=gnu
-	eval $set_cc_for_build
-	sed 's/^	//' << EOF >$dummy.c
-	#ifdef __dietlibc__
-	LIBC=dietlibc
-	#endif
-EOF
-	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
-	echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
-	exit ;;
-    ia64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    m32r*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    m68*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    mips:Linux:*:* | mips64:Linux:*:*)
-	eval $set_cc_for_build
-	sed 's/^	//' << EOF >$dummy.c
-	#undef CPU
-	#undef ${UNAME_MACHINE}
-	#undef ${UNAME_MACHINE}el
-	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
-	CPU=${UNAME_MACHINE}el
-	#else
-	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
-	CPU=${UNAME_MACHINE}
-	#else
-	CPU=
-	#endif
-	#endif
-EOF
-	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
-	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
-	;;
-    or32:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    padre:Linux:*:*)
-	echo sparc-unknown-linux-gnu
-	exit ;;
-    parisc64:Linux:*:* | hppa64:Linux:*:*)
-	echo hppa64-unknown-linux-gnu
-	exit ;;
-    parisc:Linux:*:* | hppa:Linux:*:*)
-	# Look for CPU level
-	case `grep '^cpu^a-z*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
-	  PA7*) echo hppa1.1-unknown-linux-gnu ;;
-	  PA8*) echo hppa2.0-unknown-linux-gnu ;;
-	  *)    echo hppa-unknown-linux-gnu ;;
-	esac
-	exit ;;
-    ppc64:Linux:*:*)
-	echo powerpc64-unknown-linux-gnu
-	exit ;;
-    ppc:Linux:*:*)
-	echo powerpc-unknown-linux-gnu
-	exit ;;
-    s390:Linux:*:* | s390x:Linux:*:*)
-	echo ${UNAME_MACHINE}-ibm-linux
-	exit ;;
-    sh64*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    sh*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    sparc:Linux:*:* | sparc64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    tile*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    vax:Linux:*:*)
-	echo ${UNAME_MACHINE}-dec-linux-gnu
-	exit ;;
-    x86_64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    xtensa*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
-	exit ;;
-    i*86:DYNIX/ptx:4*:*)
-	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
-	# earlier versions are messed up and put the nodename in both
-	# sysname and nodename.
-	echo i386-sequent-sysv4
-	exit ;;
-    i*86:UNIX_SV:4.2MP:2.*)
-	# Unixware is an offshoot of SVR4, but it has its own version
-	# number series starting with 2...
-	# I am not positive that other SVR4 systems won't match this,
-	# I just have to hope.  -- rms.
-	# Use sysv4.2uw... so that sysv4* matches it.
-	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
-	exit ;;
-    i*86:OS/2:*:*)
-	# If we were able to find `uname', then EMX Unix compatibility
-	# is probably installed.
-	echo ${UNAME_MACHINE}-pc-os2-emx
-	exit ;;
-    i*86:XTS-300:*:STOP)
-	echo ${UNAME_MACHINE}-unknown-stop
-	exit ;;
-    i*86:atheos:*:*)
-	echo ${UNAME_MACHINE}-unknown-atheos
-	exit ;;
-    i*86:syllable:*:*)
-	echo ${UNAME_MACHINE}-pc-syllable
-	exit ;;
-    i*86:LynxOS:2.*:* | i*86:LynxOS:3.01*:* | i*86:LynxOS:4.02*:*)
-	echo i386-unknown-lynxos${UNAME_RELEASE}
-	exit ;;
-    i*86:*DOS:*:*)
-	echo ${UNAME_MACHINE}-pc-msdosdjgpp
-	exit ;;
-    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
-	UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
-	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
-		echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
-	else
-		echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
-	fi
-	exit ;;
-    i*86:*:5:678*)
-	# UnixWare 7.x, OpenUNIX and OpenServer 6.
-	case `/bin/uname -X | grep "^Machine"` in
-	    *486*)	     UNAME_MACHINE=i486 ;;
-	    *Pentium)	     UNAME_MACHINE=i586 ;;
-	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
-	esac
-	echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
-	exit ;;
-    i*86:*:3.2:*)
-	if test -f /usr/options/cb.name; then
-		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
-		echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
-	elif /bin/uname -X 2>/dev/null >/dev/null ; then
-		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
-		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
-		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
-			&& UNAME_MACHINE=i586
-		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
-			&& UNAME_MACHINE=i686
-		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
-			&& UNAME_MACHINE=i686
-		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
-	else
-		echo ${UNAME_MACHINE}-pc-sysv32
-	fi
-	exit ;;
-    pc:*:*:*)
-	# Left here for compatibility:
-	# uname -m prints for DJGPP always 'pc', but it prints nothing about
-	# the processor, so we play safe by assuming i586.
-	# Note: whatever this is, it MUST be the same as what config.sub
-	# prints for the "djgpp" host, or else GDB configury will decide that
-	# this is a cross-build.
-	echo i586-pc-msdosdjgpp
-	exit ;;
-    Intel:Mach:3*:*)
-	echo i386-pc-mach3
-	exit ;;
-    paragon:*:*:*)
-	echo i860-intel-osf1
-	exit ;;
-    i860:*:4.*:*) # i860-SVR4
-	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
-	  echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
-	else # Add other i860-SVR4 vendors below as they are discovered.
-	  echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
-	fi
-	exit ;;
-    mini*:CTIX:SYS*5:*)
-	# "miniframe"
-	echo m68010-convergent-sysv
-	exit ;;
-    mc68k:UNIX:SYSTEM5:3.51m)
-	echo m68k-convergent-sysv
-	exit ;;
-    M680?0:D-NIX:5.3:*)
-	echo m68k-diab-dnix
-	exit ;;
-    M68*:*:R3V5678*:*)
-	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
-    3345??:*:4.0:3.0 | 334??A:*:4.0:3.0 | 334??,*:*:4.0:3.0 | 334??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
-	OS_REL=''
-	test -r /etc/.relid \
-	&& OS_REL=.`sed -n 's/^ * ^ * $0-90-9$.*/\1/p' < /etc/.relid`
-	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	  && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
-	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-	  && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
-    334??:*:4.0:* | 334??,*:*:4.0:*)
-	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	  && { echo i486-ncr-sysv4; exit; } ;;
-    NCR*:*:4.2:* | MPRAS*:*:4.2:*)
-	OS_REL='.3'
-	test -r /etc/.relid \
-	    && OS_REL=.`sed -n 's/^ * ^ * $0-90-9$.*/\1/p' < /etc/.relid`
-	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	    && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
-	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
-	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
-	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
-    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
-	echo m68k-unknown-lynxos${UNAME_RELEASE}
-	exit ;;
-    mc68030:UNIX_System_V:4.*:*)
-	echo m68k-atari-sysv4
-	exit ;;
-    TSUNAMI:LynxOS:2.*:*)
-	echo sparc-unknown-lynxos${UNAME_RELEASE}
-	exit ;;
-    rs6000:LynxOS:2.*:*)
-	echo rs6000-unknown-lynxos${UNAME_RELEASE}
-	exit ;;
-    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.01*:* | PowerPC:LynxOS:4.02*:*)
-	echo powerpc-unknown-lynxos${UNAME_RELEASE}
-	exit ;;
-    SMBES:UNIX_SV:*:*)
-	echo mips-dde-sysv${UNAME_RELEASE}
-	exit ;;
-    RM*:ReliantUNIX-*:*:*)
-	echo mips-sni-sysv4
-	exit ;;
-    RM*:SINIX-*:*:*)
-	echo mips-sni-sysv4
-	exit ;;
-    *:SINIX-*:*:*)
-	if uname -p 2>/dev/null >/dev/null ; then
-		UNAME_MACHINE=`(uname -p) 2>/dev/null`
-		echo ${UNAME_MACHINE}-sni-sysv4
-	else
-		echo ns32k-sni-sysv
-	fi
-	exit ;;
-    PENTIUM:*:4.0*:*)	# Unisys `ClearPath HMP IX 4000' SVR4/MP effort
-			# says <Richard.M.Bartel@ccMail.Census.GOV>
-	echo i586-unisys-sysv4
-	exit ;;
-    *:UNIX_System_V:4*:FTX*)
-	# From Gerald Hewes <hewes@openmarket.com>.
-	# How about differentiating between stratus architectures? -djm
-	echo hppa1.1-stratus-sysv4
-	exit ;;
-    *:*:*:FTX*)
-	# From seanf@swdc.stratus.com.
-	echo i860-stratus-sysv4
-	exit ;;
-    i*86:VOS:*:*)
-	# From Paul.Green@stratus.com.
-	echo ${UNAME_MACHINE}-stratus-vos
-	exit ;;
-    *:VOS:*:*)
-	# From Paul.Green@stratus.com.
-	echo hppa1.1-stratus-vos
-	exit ;;
-    mc68*:A/UX:*:*)
-	echo m68k-apple-aux${UNAME_RELEASE}
-	exit ;;
-    news*:NEWS-OS:6*:*)
-	echo mips-sony-newsos6
-	exit ;;
-    R34000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
-	if  -d /usr/nec ; then
-		echo mips-nec-sysv${UNAME_RELEASE}
-	else
-		echo mips-unknown-sysv${UNAME_RELEASE}
-	fi
-	exit ;;
-    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
-	echo powerpc-be-beos
-	exit ;;
-    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
-	echo powerpc-apple-beos
-	exit ;;
-    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
-	echo i586-pc-beos
-	exit ;;
-    BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
-	echo i586-pc-haiku
-	exit ;;
-    SX-4:SUPER-UX:*:*)
-	echo sx4-nec-superux${UNAME_RELEASE}
-	exit ;;
-    SX-5:SUPER-UX:*:*)
-	echo sx5-nec-superux${UNAME_RELEASE}
-	exit ;;
-    SX-6:SUPER-UX:*:*)
-	echo sx6-nec-superux${UNAME_RELEASE}
-	exit ;;
-    SX-7:SUPER-UX:*:*)
-	echo sx7-nec-superux${UNAME_RELEASE}
-	exit ;;
-    SX-8:SUPER-UX:*:*)
-	echo sx8-nec-superux${UNAME_RELEASE}
-	exit ;;
-    SX-8R:SUPER-UX:*:*)
-	echo sx8r-nec-superux${UNAME_RELEASE}
-	exit ;;
-    Power*:Rhapsody:*:*)
-	echo powerpc-apple-rhapsody${UNAME_RELEASE}
-	exit ;;
-    *:Rhapsody:*:*)
-	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
-	exit ;;
-    *:Darwin:*:*)
-	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
-	case $UNAME_PROCESSOR in
-	    i386)
-		eval $set_cc_for_build
-		if  "$CC_FOR_BUILD" != 'no_compiler_found' ; then
-		  if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
-		      (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
-		      grep IS_64BIT_ARCH >/dev/null
-		  then
-		      UNAME_PROCESSOR="x86_64"
-		  fi
-		fi ;;
-	    unknown) UNAME_PROCESSOR=powerpc ;;
-	esac
-	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
-	exit ;;
-    *:procnto*:*:* | *:QNX:0123456789*:*)
-	UNAME_PROCESSOR=`uname -p`
-	if test "$UNAME_PROCESSOR" = "x86"; then
-		UNAME_PROCESSOR=i386
-		UNAME_MACHINE=pc
-	fi
-	echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
-	exit ;;
-    *:QNX:*:4*)
-	echo i386-pc-qnx
-	exit ;;
-    NEO-?:NONSTOP_KERNEL:*:*)
-	echo neo-tandem-nsk${UNAME_RELEASE}
-	exit ;;
-    NSE-?:NONSTOP_KERNEL:*:*)
-	echo nse-tandem-nsk${UNAME_RELEASE}
-	exit ;;
-    NSR-?:NONSTOP_KERNEL:*:*)
-	echo nsr-tandem-nsk${UNAME_RELEASE}
-	exit ;;
-    *:NonStop-UX:*:*)
-	echo mips-compaq-nonstopux
-	exit ;;
-    BS2000:POSIX*:*:*)
-	echo bs2000-siemens-sysv
-	exit ;;
-    DS/*:UNIX_System_V:*:*)
-	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
-	exit ;;
-    *:Plan9:*:*)
-	# "uname -m" is not consistent, so use $cputype instead. 386
-	# is converted to i386 for consistency with other x86
-	# operating systems.
-	if test "$cputype" = "386"; then
-	    UNAME_MACHINE=i386
-	else
-	    UNAME_MACHINE="$cputype"
-	fi
-	echo ${UNAME_MACHINE}-unknown-plan9
-	exit ;;
-    *:TOPS-10:*:*)
-	echo pdp10-unknown-tops10
-	exit ;;
-    *:TENEX:*:*)
-	echo pdp10-unknown-tenex
-	exit ;;
-    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
-	echo pdp10-dec-tops20
-	exit ;;
-    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
-	echo pdp10-xkl-tops20
-	exit ;;
-    *:TOPS-20:*:*)
-	echo pdp10-unknown-tops20
-	exit ;;
-    *:ITS:*:*)
-	echo pdp10-unknown-its
-	exit ;;
-    SEI:*:*:SEIUX)
-	echo mips-sei-seiux${UNAME_RELEASE}
-	exit ;;
-    *:DragonFly:*:*)
-	echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/-(.*//'`
-	exit ;;
-    *:*VMS:*:*)
-	UNAME_MACHINE=`(uname -p) 2>/dev/null`
-	case "${UNAME_MACHINE}" in
-	    A*) echo alpha-dec-vms ; exit ;;
-	    I*) echo ia64-dec-vms ; exit ;;
-	    V*) echo vax-dec-vms ; exit ;;
-	esac ;;
-    *:XENIX:*:SysV)
-	echo i386-pc-xenix
-	exit ;;
-    i*86:skyos:*:*)
-	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
-	exit ;;
-    i*86:rdos:*:*)
-	echo ${UNAME_MACHINE}-pc-rdos
-	exit ;;
-    i*86:AROS:*:*)
-	echo ${UNAME_MACHINE}-pc-aros
-	exit ;;
-    x86_64:VMkernel:*:*)
-	echo ${UNAME_MACHINE}-unknown-esx
-	exit ;;
-esac
-
-#echo '(No uname command or uname output not recognized.)' 1>&2
-#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
-
-eval $set_cc_for_build
-cat >$dummy.c <<EOF
-#ifdef _SEQUENT_
-# include <sys/types.h>
-# include <sys/utsname.h>
-#endif
-main ()
-{
-#if defined (sony)
-#if defined (MIPSEB)
-  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
-     I don't know....  */
-  printf ("mips-sony-bsd\n"); exit (0);
-#else
-#include <sys/param.h>
-  printf ("m68k-sony-newsos%s\n",
-#ifdef NEWSOS4
-	"4"
-#else
-	""
-#endif
-	); exit (0);
-#endif
-#endif
-
-#if defined (__arm) && defined (__acorn) && defined (__unix)
-  printf ("arm-acorn-riscix\n"); exit (0);
-#endif
-
-#if defined (hp300) && !defined (hpux)
-  printf ("m68k-hp-bsd\n"); exit (0);
-#endif
-
-#if defined (NeXT)
-#if !defined (__ARCHITECTURE__)
-#define __ARCHITECTURE__ "m68k"
-#endif
-  int version;
-  version=`(hostinfo | sed -n 's/.*NeXT Mach $0-9*$.*/\1/p') 2>/dev/null`;
-  if (version < 4)
-    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
-  else
-    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
-  exit (0);
-#endif
-
-#if defined (MULTIMAX) || defined (n16)
-#if defined (UMAXV)
-  printf ("ns32k-encore-sysv\n"); exit (0);
-#else
-#if defined (CMU)
-  printf ("ns32k-encore-mach\n"); exit (0);
-#else
-  printf ("ns32k-encore-bsd\n"); exit (0);
-#endif
-#endif
-#endif
-
-#if defined (__386BSD__)
-  printf ("i386-pc-bsd\n"); exit (0);
-#endif
-
-#if defined (sequent)
-#if defined (i386)
-  printf ("i386-sequent-dynix\n"); exit (0);
-#endif
-#if defined (ns32000)
-  printf ("ns32k-sequent-dynix\n"); exit (0);
-#endif
-#endif
-
-#if defined (_SEQUENT_)
-    struct utsname un;
-
-    uname(&un);
-
-    if (strncmp(un.version, "V2", 2) == 0) {
-	printf ("i386-sequent-ptx2\n"); exit (0);
-    }
-    if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
-	printf ("i386-sequent-ptx1\n"); exit (0);
-    }
-    printf ("i386-sequent-ptx\n"); exit (0);
-
-#endif
-
-#if defined (vax)
-# if !defined (ultrix)
-#  include <sys/param.h>
-#  if defined (BSD)
-#   if BSD == 43
-      printf ("vax-dec-bsd4.3\n"); exit (0);
-#   else
-#    if BSD == 199006
-      printf ("vax-dec-bsd4.3reno\n"); exit (0);
-#    else
-      printf ("vax-dec-bsd\n"); exit (0);
-#    endif
-#   endif
-#  else
-    printf ("vax-dec-bsd\n"); exit (0);
-#  endif
-# else
-    printf ("vax-dec-ultrix\n"); exit (0);
-# endif
-#endif
-
-#if defined (alliant) && defined (i860)
-  printf ("i860-alliant-bsd\n"); exit (0);
-#endif
-
-  exit (1);
-}
-EOF
-
-$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
-	{ echo "$SYSTEM_NAME"; exit; }
-
-# Apollos put the system type in the environment.
-
-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
-
-# Convex versions that predate uname can use getsysinfo(1)
-
-if  -x /usr/convex/getsysinfo 
-then
-    case `getsysinfo -f cpu_type` in
-    c1*)
-	echo c1-convex-bsd
-	exit ;;
-    c2*)
-	if getsysinfo -f scalar_acc
-	then echo c32-convex-bsd
-	else echo c2-convex-bsd
-	fi
-	exit ;;
-    c34*)
-	echo c34-convex-bsd
-	exit ;;
-    c38*)
-	echo c38-convex-bsd
-	exit ;;
-    c4*)
-	echo c4-convex-bsd
-	exit ;;
-    esac
-fi
-
-cat >&2 <<EOF
-$0: unable to guess system type
-
-This script, last modified $timestamp, has failed to recognize
-the operating system you are using. It is advised that you
-download the most up to date version of the config scripts from
-
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
-and
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
-
-If the version you run ($0) is already up to date, please
-send the following data and any information you think might be
-pertinent to <config-patches@gnu.org> in order to provide the needed
-information to handle your system.
-
-config.guess timestamp = $timestamp
-
-uname -m = `(uname -m) 2>/dev/null || echo unknown`
-uname -r = `(uname -r) 2>/dev/null || echo unknown`
-uname -s = `(uname -s) 2>/dev/null || echo unknown`
-uname -v = `(uname -v) 2>/dev/null || echo unknown`
-
-/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
-/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
-
-hostinfo               = `(hostinfo) 2>/dev/null`
-/bin/universe          = `(/bin/universe) 2>/dev/null`
-/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
-/bin/arch              = `(/bin/arch) 2>/dev/null`
-/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
-/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
-
-UNAME_MACHINE = ${UNAME_MACHINE}
-UNAME_RELEASE = ${UNAME_RELEASE}
-UNAME_SYSTEM  = ${UNAME_SYSTEM}
-UNAME_VERSION = ${UNAME_VERSION}
-EOF
-
-exit 1
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "timestamp='"
-# time-stamp-format: "%:y-%02m-%02d"
-# time-stamp-end: "'"
-# End:

_service:tar_scm:qpdf-8.4.2.tar.gz/config.sub Deleted

@@ -1,1773 +0,0 @@
-#! /bin/sh
-# Configuration validation subroutine script.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-#   2011, 2012 Free Software Foundation, Inc.
-
-timestamp='2012-02-10'
-
-# This file is (in principle) common to ALL GNU software.
-# The presence of a machine in this file suggests that SOME GNU software
-# can handle that machine.  It does not imply ALL GNU software can.
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
-#
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-
-# Please send patches to <config-patches@gnu.org>.  Submit a context
-# diff and a properly formatted GNU ChangeLog entry.
-#
-# Configuration subroutine to validate and canonicalize a configuration type.
-# Supply the specified configuration type as an argument.
-# If it is invalid, we print an error message on stderr and exit with code 1.
-# Otherwise, we print the canonical config type on stdout and succeed.
-
-# You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
-
-# This file is supposed to be the same for all GNU packages
-# and recognize all the CPU types, system types and aliases
-# that are meaningful with *any* GNU software.
-# Each package is responsible for reporting which valid configurations
-# it does not support.  The user should be able to distinguish
-# a failure to support a valid configuration from a meaningless
-# configuration.
-
-# The goal of this file is to map all the various variations of a given
-# machine specification into a single specification in the form:
-#	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
-# or in some cases, the newer four-part form:
-#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
-# It is wrong to echo any other type of specification.
-
-me=`echo "$0" | sed -e 's,.*/,,'`
-
-usage="\
-Usage: $0 OPTION CPU-MFR-OPSYS
-       $0 OPTION ALIAS
-
-Canonicalize a configuration name.
-
-Operation modes:
-  -h, --help         print this help, then exit
-  -t, --time-stamp   print date of last modification, then exit
-  -v, --version      print version number, then exit
-
-Report bugs and patches to <config-patches@gnu.org>."
-
-version="\
-GNU config.sub ($timestamp)
-
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-Free Software Foundation, Inc.
-
-This is free software; see the source for copying conditions.  There is NO
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
-
-help="
-Try \`$me --help' for more information."
-
-# Parse command line
-while test $# -gt 0 ; do
-  case $1 in
-    --time-stamp | --time* | -t )
-       echo "$timestamp" ; exit ;;
-    --version | -v )
-       echo "$version" ; exit ;;
-    --help | --h* | -h )
-       echo "$usage"; exit ;;
-    -- )     # Stop option processing
-       shift; break ;;
-    - )	# Use stdin as input.
-       break ;;
-    -* )
-       echo "$me: invalid option $1$help"
-       exit 1 ;;
-
-    *local*)
-       # First pass through any local machine types.
-       echo $1
-       exit ;;
-
-    * )
-       break ;;
-  esac
-done
-
-case $# in
- 0) echo "$me: missing argument$help" >&2
-    exit 1;;
- 1) ;;
- *) echo "$me: too many arguments$help" >&2
-    exit 1;;
-esac
-
-# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
-# Here we must recognize all the valid KERNEL-OS combinations.
-maybe_os=`echo $1 | sed 's/^$.*$-$^-*-^-*$$/\2/'`
-case $maybe_os in
-  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
-  linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
-  knetbsd*-gnu* | netbsd*-gnu* | \
-  kopensolaris*-gnu* | \
-  storm-chaos* | os2-emx* | rtmk-nova*)
-    os=-$maybe_os
-    basic_machine=`echo $1 | sed 's/^$.*$-$^-*-^-*$$/\1/'`
-    ;;
-  android-linux)
-    os=-linux-android
-    basic_machine=`echo $1 | sed 's/^$.*$-$^-*-^-*$$/\1/'`-unknown
-    ;;
-  *)
-    basic_machine=`echo $1 | sed 's/-^-*$//'`
-    if  $basic_machine != $1 
-    then os=`echo $1 | sed 's/.*-/-/'`
-    else os=; fi
-    ;;
-esac
-
-### Let's recognize common machines as not being operating systems so
-### that things like config.sub decstation-3100 work.  We also
-### recognize some manufacturers as not being operating systems, so we
-### can provide default operating systems below.
-case $os in
-	-sun*os*)
-		# Prevent following clause from handling this invalid input.
-		;;
-	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
-	-att* | -7300* | -3300* | -delta* | -motorola* | -sun234* | \
-	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
-	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
-	-c123* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
-	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
-	-apple | -axis | -knuth | -cray | -microblaze)
-		os=
-		basic_machine=$1
-		;;
-	-bluegene*)
-		os=-cnk
-		;;
-	-sim | -cisco | -oki | -wec | -winbond)
-		os=
-		basic_machine=$1
-		;;
-	-scout)
-		;;
-	-wrs)
-		os=-vxworks
-		basic_machine=$1
-		;;
-	-chorusos*)
-		os=-chorusos
-		basic_machine=$1
-		;;
-	-chorusrdb)
-		os=-chorusrdb
-		basic_machine=$1
-		;;
-	-hiux*)
-		os=-hiuxwe2
-		;;
-	-sco6)
-		os=-sco5v6
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-sco5)
-		os=-sco3.2v5
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-sco4)
-		os=-sco3.2v4
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-sco3.2.4-9*)
-		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-sco3.2v4-9*)
-		# Don't forget version if it is 3.2v4 or newer.
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-sco5v6*)
-		# Don't forget version if it is 3.2v4 or newer.
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-sco*)
-		os=-sco3.2v2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-udk*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-isc)
-		os=-isc2.2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-clix*)
-		basic_machine=clipper-intergraph
-		;;
-	-isc*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
-		;;
-	-lynx*)
-		os=-lynxos
-		;;
-	-ptx*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
-		;;
-	-windowsnt*)
-		os=`echo $os | sed -e 's/windowsnt/winnt/'`
-		;;
-	-psos*)
-		os=-psos
-		;;
-	-mint | -mint0-9*)
-		basic_machine=m68k-atari
-		os=-mint
-		;;
-esac
-
-# Decode aliases for certain CPU-COMPANY combinations.
-case $basic_machine in
-	# Recognize the basic CPU types without company name.
-	# Some are omitted here because they have special meanings below.
-	1750a | 580 \
-	| a29k \
-	| aarch64 | aarch64_be \
-	| alpha | alphaev4-8 | alphaev56 | alphaev678 | alphapca567 \
-	| alpha64 | alpha64ev4-8 | alpha64ev56 | alpha64ev678 | alpha64pca567 \
-	| am33_2.0 \
-	| arc | arm | armble | armelb | armv2345 | armv345lb | avr | avr32 \
-        | be32 | be64 \
-	| bfin \
-	| c4x | clipper \
-	| d10v | d30v | dlx | dsp16xx \
-	| epiphany \
-	| fido | fr30 | frv \
-	| h8300 | h8500 | hppa | hppa1.01 | hppa2.0 | hppa2.0nw | hppa64 \
-	| hexagon \
-	| i370 | i860 | i960 | ia64 \
-	| ip2k | iq2000 \
-	| le32 | le64 \
-	| lm32 \
-	| m32c | m32r | m32rle | m68000 | m68k | m88k \
-	| maxq | mb | microblaze | mcore | mep | metag \
-	| mips | mipsbe | mipseb | mipsel | mipsle \
-	| mips16 \
-	| mips64 | mips64el \
-	| mips64octeon | mips64octeonel \
-	| mips64orion | mips64orionel \
-	| mips64r5900 | mips64r5900el \
-	| mips64vr | mips64vrel \
-	| mips64vr4100 | mips64vr4100el \
-	| mips64vr4300 | mips64vr4300el \
-	| mips64vr5000 | mips64vr5000el \
-	| mips64vr5900 | mips64vr5900el \
-	| mipsisa32 | mipsisa32el \
-	| mipsisa32r2 | mipsisa32r2el \
-	| mipsisa64 | mipsisa64el \
-	| mipsisa64r2 | mipsisa64r2el \
-	| mipsisa64sb1 | mipsisa64sb1el \
-	| mipsisa64sr71k | mipsisa64sr71kel \
-	| mipstx39 | mipstx39el \
-	| mn10200 | mn10300 \
-	| moxie \
-	| mt \
-	| msp430 \
-	| nds32 | nds32le | nds32be \
-	| nios | nios2 \
-	| ns16k | ns32k \
-	| open8 \
-	| or32 \
-	| pdp10 | pdp11 | pj | pjl \
-	| powerpc | powerpc64 | powerpc64le | powerpcle \
-	| pyramid \
-	| rl78 | rx \
-	| score \
-	| sh | sh1234 | sh24a | sh24aeb | sh23e | sh34eb | sheb | shbe | shle | sh1234le | sh3ele \
-	| sh64 | sh64le \
-	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
-	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
-	| spu \
-	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
-	| ubicom32 \
-	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
-	| we32k \
-	| x86 | xc16x | xstormy16 | xtensa \
-	| z8k | z80)
-		basic_machine=$basic_machine-unknown
-		;;
-	c54x)
-		basic_machine=tic54x-unknown
-		;;
-	c55x)
-		basic_machine=tic55x-unknown
-		;;
-	c6x)
-		basic_machine=tic6x-unknown
-		;;
-	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
-		basic_machine=$basic_machine-unknown
-		os=-none
-		;;
-	m88110 | m680123460 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
-		;;
-	ms1)
-		basic_machine=mt-unknown
-		;;
-
-	strongarm | thumb | xscale)
-		basic_machine=arm-unknown
-		;;
-	xgate)
-		basic_machine=$basic_machine-unknown
-		os=-none
-		;;
-	xscaleeb)
-		basic_machine=armeb-unknown
-		;;
-
-	xscaleel)
-		basic_machine=armel-unknown
-		;;
-
-	# We use `pc' rather than `unknown'
-	# because (1) that's what they normally are, and
-	# (2) the word "unknown" tends to confuse beginning users.
-	i*86 | x86_64)
-	  basic_machine=$basic_machine-pc
-	  ;;
-	# Object if more than one company name word.
-	*-*-*)
-		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
-		exit 1
-		;;
-	# Recognize the basic CPU types with company name.
-	580-* \
-	| a29k-* \
-	| aarch64-* | aarch64_be-* \
-	| alpha-* | alphaev4-8-* | alphaev56-* | alphaev678-* \
-	| alpha64-* | alpha64ev4-8-* | alpha64ev56-* | alpha64ev678-* \
-	| alphapca567-* | alpha64pca567-* | arc-* \
-	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
-	| avr-* | avr32-* \
-	| be32-* | be64-* \
-	| bfin-* | bs2000-* \
-	| c123* | c30-* | cjt90-* | c4x-* \
-	| clipper-* | craynv-* | cydra-* \
-	| d10v-* | d30v-* | dlx-* \
-	| elxsi-* \
-	| f3001-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
-	| h8300-* | h8500-* \
-	| hppa-* | hppa1.01-* | hppa2.0-* | hppa2.0nw-* | hppa64-* \
-	| hexagon-* \
-	| i*86-* | i860-* | i960-* | ia64-* \
-	| ip2k-* | iq2000-* \
-	| le32-* | le64-* \
-	| lm32-* \
-	| m32c-* | m32r-* | m32rle-* \
-	| m68000-* | m6800123460-* | m68360-* | m683?2-* | m68k-* \
-	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
-	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
-	| mips16-* \
-	| mips64-* | mips64el-* \
-	| mips64octeon-* | mips64octeonel-* \
-	| mips64orion-* | mips64orionel-* \
-	| mips64r5900-* | mips64r5900el-* \
-	| mips64vr-* | mips64vrel-* \
-	| mips64vr4100-* | mips64vr4100el-* \
-	| mips64vr4300-* | mips64vr4300el-* \
-	| mips64vr5000-* | mips64vr5000el-* \
-	| mips64vr5900-* | mips64vr5900el-* \
-	| mipsisa32-* | mipsisa32el-* \
-	| mipsisa32r2-* | mipsisa32r2el-* \
-	| mipsisa64-* | mipsisa64el-* \
-	| mipsisa64r2-* | mipsisa64r2el-* \
-	| mipsisa64sb1-* | mipsisa64sb1el-* \
-	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
-	| mipstx39-* | mipstx39el-* \
-	| mmix-* \
-	| mt-* \
-	| msp430-* \
-	| nds32-* | nds32le-* | nds32be-* \
-	| nios-* | nios2-* \
-	| none-* | np1-* | ns16k-* | ns32k-* \
-	| open8-* \
-	| orion-* \
-	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
-	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
-	| pyramid-* \
-	| rl78-* | romp-* | rs6000-* | rx-* \
-	| sh-* | sh1234-* | sh24a-* | sh24aeb-* | sh23e-* | sh34eb-* | sheb-* | shbe-* \
-	| shle-* | sh1234le-* | sh3ele-* | sh64-* | sh64le-* \
-	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
-	| sparclite-* \
-	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
-	| tahoe-* \
-	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
-	| tile*-* \
-	| tron-* \
-	| ubicom32-* \
-	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
-	| vax-* \
-	| we32k-* \
-	| x86-* | x86_64-* | xc16x-* | xps100-* \
-	| xstormy16-* | xtensa*-* \
-	| ymp-* \
-	| z8k-* | z80-*)
-		;;
-	# Recognize the basic CPU types without company name, with glob match.
-	xtensa*)
-		basic_machine=$basic_machine-unknown
-		;;
-	# Recognize the various machine names and aliases which stand
-	# for a CPU type and a company and sometimes even an OS.
-	386bsd)
-		basic_machine=i386-unknown
-		os=-bsd
-		;;
-	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
-		basic_machine=m68000-att
-		;;
-	3b*)
-		basic_machine=we32k-att
-		;;
-	a29khif)
-		basic_machine=a29k-amd
-		os=-udi
-		;;
-	abacus)
-		basic_machine=abacus-unknown
-		;;
-	adobe68k)
-		basic_machine=m68010-adobe
-		os=-scout
-		;;
-	alliant | fx80)
-		basic_machine=fx80-alliant
-		;;
-	altos | altos3068)
-		basic_machine=m68k-altos
-		;;
-	am29k)
-		basic_machine=a29k-none
-		os=-bsd
-		;;
-	amd64)
-		basic_machine=x86_64-pc
-		;;
-	amd64-*)
-		basic_machine=x86_64-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	amdahl)
-		basic_machine=580-amdahl
-		os=-sysv
-		;;
-	amiga | amiga-*)
-		basic_machine=m68k-unknown
-		;;
-	amigaos | amigados)
-		basic_machine=m68k-unknown
-		os=-amigaos
-		;;
-	amigaunix | amix)
-		basic_machine=m68k-unknown
-		os=-sysv4
-		;;
-	apollo68)
-		basic_machine=m68k-apollo
-		os=-sysv
-		;;
-	apollo68bsd)
-		basic_machine=m68k-apollo
-		os=-bsd
-		;;
-	aros)
-		basic_machine=i386-pc
-		os=-aros
-		;;
-	aux)
-		basic_machine=m68k-apple
-		os=-aux
-		;;
-	balance)
-		basic_machine=ns32k-sequent
-		os=-dynix
-		;;
-	blackfin)
-		basic_machine=bfin-unknown
-		os=-linux
-		;;
-	blackfin-*)
-		basic_machine=bfin-`echo $basic_machine | sed 's/^^-*-//'`
-		os=-linux
-		;;
-	bluegene*)
-		basic_machine=powerpc-ibm
-		os=-cnk
-		;;
-	c54x-*)
-		basic_machine=tic54x-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	c55x-*)
-		basic_machine=tic55x-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	c6x-*)
-		basic_machine=tic6x-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	c90)
-		basic_machine=c90-cray
-		os=-unicos
-		;;
-	cegcc)
-		basic_machine=arm-unknown
-		os=-cegcc
-		;;
-	convex-c1)
-		basic_machine=c1-convex
-		os=-bsd
-		;;
-	convex-c2)
-		basic_machine=c2-convex
-		os=-bsd
-		;;
-	convex-c32)
-		basic_machine=c32-convex
-		os=-bsd
-		;;
-	convex-c34)
-		basic_machine=c34-convex
-		os=-bsd
-		;;
-	convex-c38)
-		basic_machine=c38-convex
-		os=-bsd
-		;;
-	cray | j90)
-		basic_machine=j90-cray
-		os=-unicos
-		;;
-	craynv)
-		basic_machine=craynv-cray
-		os=-unicosmp
-		;;
-	cr16 | cr16-*)
-		basic_machine=cr16-unknown
-		os=-elf
-		;;
-	crds | unos)
-		basic_machine=m68k-crds
-		;;
-	crisv32 | crisv32-* | etraxfs*)
-		basic_machine=crisv32-axis
-		;;
-	cris | cris-* | etrax*)
-		basic_machine=cris-axis
-		;;
-	crx)
-		basic_machine=crx-unknown
-		os=-elf
-		;;
-	da30 | da30-*)
-		basic_machine=m68k-da30
-		;;
-	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
-		basic_machine=mips-dec
-		;;
-	decsystem10* | dec10*)
-		basic_machine=pdp10-dec
-		os=-tops10
-		;;
-	decsystem20* | dec20*)
-		basic_machine=pdp10-dec
-		os=-tops20
-		;;
-	delta | 3300 | motorola-3300 | motorola-delta \
-	      | 3300-motorola | delta-motorola)
-		basic_machine=m68k-motorola
-		;;
-	delta88)
-		basic_machine=m88k-motorola
-		os=-sysv3
-		;;
-	dicos)
-		basic_machine=i686-pc
-		os=-dicos
-		;;
-	djgpp)
-		basic_machine=i586-pc
-		os=-msdosdjgpp
-		;;
-	dpx20 | dpx20-*)
-		basic_machine=rs6000-bull
-		os=-bosx
-		;;
-	dpx2* | dpx2*-bull)
-		basic_machine=m68k-bull
-		os=-sysv3
-		;;
-	ebmon29k)
-		basic_machine=a29k-amd
-		os=-ebmon
-		;;
-	elxsi)
-		basic_machine=elxsi-elxsi
-		os=-bsd
-		;;
-	encore | umax | mmax)
-		basic_machine=ns32k-encore
-		;;
-	es1800 | OSE68k | ose68k | ose | OSE)
-		basic_machine=m68k-ericsson
-		os=-ose
-		;;
-	fx2800)
-		basic_machine=i860-alliant
-		;;
-	genix)
-		basic_machine=ns32k-ns
-		;;
-	gmicro)
-		basic_machine=tron-gmicro
-		os=-sysv
-		;;
-	go32)
-		basic_machine=i386-pc
-		os=-go32
-		;;
-	h3050r* | hiux*)
-		basic_machine=hppa1.1-hitachi
-		os=-hiuxwe2
-		;;
-	h8300hms)
-		basic_machine=h8300-hitachi
-		os=-hms
-		;;
-	h8300xray)
-		basic_machine=h8300-hitachi
-		os=-xray
-		;;
-	h8500hms)
-		basic_machine=h8500-hitachi
-		os=-hms
-		;;
-	harris)
-		basic_machine=m88k-harris
-		os=-sysv3
-		;;
-	hp300-*)
-		basic_machine=m68k-hp
-		;;
-	hp300bsd)
-		basic_machine=m68k-hp
-		os=-bsd
-		;;
-	hp300hpux)
-		basic_machine=m68k-hp
-		os=-hpux
-		;;
-	hp3k90-90-9 | hp90-90-9)
-		basic_machine=hppa1.0-hp
-		;;
-	hp9k20-90-9 | hp9k310-9)
-		basic_machine=m68000-hp
-		;;
-	hp9k32-90-9)
-		basic_machine=m68k-hp
-		;;
-	hp9k60-90-9 | hp60-90-9)
-		basic_machine=hppa1.0-hp
-		;;
-	hp9k70-790-9 | hp70-790-9)
-		basic_machine=hppa1.1-hp
-		;;
-	hp9k780-9 | hp780-9)
-		# FIXME: really hppa2.0-hp
-		basic_machine=hppa1.1-hp
-		;;
-	hp9k8671 | hp8671 | hp9k8024 | hp8024 | hp9k8789 | hp8789 | hp9k893 | hp893)
-		# FIXME: really hppa2.0-hp
-		basic_machine=hppa1.1-hp
-		;;
-	hp9k80-913679 | hp80-913679)
-		basic_machine=hppa1.1-hp
-		;;
-	hp9k80-90-9 | hp80-90-9)
-		basic_machine=hppa1.0-hp
-		;;
-	hppa-next)
-		os=-nextstep3
-		;;
-	hppaosf)
-		basic_machine=hppa1.1-hp
-		os=-osf
-		;;
-	hppro)
-		basic_machine=hppa1.1-hp
-		os=-proelf
-		;;
-	i370-ibm* | ibm*)
-		basic_machine=i370-ibm
-		;;
-	i*86v32)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-sysv32
-		;;
-	i*86v4*)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-sysv4
-		;;
-	i*86v)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-sysv
-		;;
-	i*86sol2)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
-		os=-solaris2
-		;;
-	i386mach)
-		basic_machine=i386-mach
-		os=-mach
-		;;
-	i386-vsta | vsta)
-		basic_machine=i386-unknown
-		os=-vsta
-		;;
-	iris | iris4d)
-		basic_machine=mips-sgi
-		case $os in
-		    -irix*)
-			;;
-		    *)
-			os=-irix4
-			;;
-		esac
-		;;
-	isi68 | isi)
-		basic_machine=m68k-isi
-		os=-sysv
-		;;
-	m68knommu)
-		basic_machine=m68k-unknown
-		os=-linux
-		;;
-	m68knommu-*)
-		basic_machine=m68k-`echo $basic_machine | sed 's/^^-*-//'`
-		os=-linux
-		;;
-	m88k-omron*)
-		basic_machine=m88k-omron
-		;;
-	magnum | m3230)
-		basic_machine=mips-mips
-		os=-sysv
-		;;
-	merlin)
-		basic_machine=ns32k-utek
-		os=-sysv
-		;;
-	microblaze)
-		basic_machine=microblaze-xilinx
-		;;
-	mingw32)
-		basic_machine=i386-pc
-		os=-mingw32
-		;;
-	mingw32ce)
-		basic_machine=arm-unknown
-		os=-mingw32ce
-		;;
-	miniframe)
-		basic_machine=m68000-convergent
-		;;
-	*mint | -mint0-9* | *MiNT | *MiNT0-9*)
-		basic_machine=m68k-atari
-		os=-mint
-		;;
-	mips3*-*)
-		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
-		;;
-	mips3*)
-		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
-		;;
-	monitor)
-		basic_machine=m68k-rom68k
-		os=-coff
-		;;
-	morphos)
-		basic_machine=powerpc-unknown
-		os=-morphos
-		;;
-	msdos)
-		basic_machine=i386-pc
-		os=-msdos
-		;;
-	ms1-*)
-		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
-		;;
-	msys)
-		basic_machine=i386-pc
-		os=-msys
-		;;
-	mvs)
-		basic_machine=i370-ibm
-		os=-mvs
-		;;
-	nacl)
-		basic_machine=le32-unknown
-		os=-nacl
-		;;
-	ncr3000)
-		basic_machine=i486-ncr
-		os=-sysv4
-		;;
-	netbsd386)
-		basic_machine=i386-unknown
-		os=-netbsd
-		;;
-	netwinder)
-		basic_machine=armv4l-rebel
-		os=-linux
-		;;
-	news | news700 | news800 | news900)
-		basic_machine=m68k-sony
-		os=-newsos
-		;;
-	news1000)
-		basic_machine=m68030-sony
-		os=-newsos
-		;;
-	news-3600 | risc-news)
-		basic_machine=mips-sony
-		os=-newsos
-		;;
-	necv70)
-		basic_machine=v70-nec
-		os=-sysv
-		;;
-	next | m*-next )
-		basic_machine=m68k-next
-		case $os in
-		    -nextstep* )
-			;;
-		    -ns2*)
-		      os=-nextstep2
-			;;
-		    *)
-		      os=-nextstep3
-			;;
-		esac
-		;;
-	nh3000)
-		basic_machine=m68k-harris
-		os=-cxux
-		;;
-	nh45000)
-		basic_machine=m88k-harris
-		os=-cxux
-		;;
-	nindy960)
-		basic_machine=i960-intel
-		os=-nindy
-		;;
-	mon960)
-		basic_machine=i960-intel
-		os=-mon960
-		;;
-	nonstopux)
-		basic_machine=mips-compaq
-		os=-nonstopux
-		;;
-	np1)
-		basic_machine=np1-gould
-		;;
-	neo-tandem)
-		basic_machine=neo-tandem
-		;;
-	nse-tandem)
-		basic_machine=nse-tandem
-		;;
-	nsr-tandem)
-		basic_machine=nsr-tandem
-		;;
-	op50n-* | op60c-*)
-		basic_machine=hppa1.1-oki
-		os=-proelf
-		;;
-	openrisc | openrisc-*)
-		basic_machine=or32-unknown
-		;;
-	os400)
-		basic_machine=powerpc-ibm
-		os=-os400
-		;;
-	OSE68000 | ose68000)
-		basic_machine=m68000-ericsson
-		os=-ose
-		;;
-	os68k)
-		basic_machine=m68k-none
-		os=-os68k
-		;;
-	pa-hitachi)
-		basic_machine=hppa1.1-hitachi
-		os=-hiuxwe2
-		;;
-	paragon)
-		basic_machine=i860-intel
-		os=-osf
-		;;
-	parisc)
-		basic_machine=hppa-unknown
-		os=-linux
-		;;
-	parisc-*)
-		basic_machine=hppa-`echo $basic_machine | sed 's/^^-*-//'`
-		os=-linux
-		;;
-	pbd)
-		basic_machine=sparc-tti
-		;;
-	pbb)
-		basic_machine=m68k-tti
-		;;
-	pc532 | pc532-*)
-		basic_machine=ns32k-pc532
-		;;
-	pc98)
-		basic_machine=i386-pc
-		;;
-	pc98-*)
-		basic_machine=i386-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	pentium | p5 | k5 | k6 | nexgen | viac3)
-		basic_machine=i586-pc
-		;;
-	pentiumpro | p6 | 6x86 | athlon | athlon_*)
-		basic_machine=i686-pc
-		;;
-	pentiumii | pentium2 | pentiumiii | pentium3)
-		basic_machine=i686-pc
-		;;
-	pentium4)
-		basic_machine=i786-pc
-		;;
-	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
-		basic_machine=i586-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	pentiumpro-* | p6-* | 6x86-* | athlon-*)
-		basic_machine=i686-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
-		basic_machine=i686-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	pentium4-*)
-		basic_machine=i786-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	pn)
-		basic_machine=pn-gould
-		;;
-	power)	basic_machine=power-ibm
-		;;
-	ppc | ppcbe)	basic_machine=powerpc-unknown
-		;;
-	ppc-* | ppcbe-*)
-		basic_machine=powerpc-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	ppcle | powerpclittle | ppc-le | powerpc-little)
-		basic_machine=powerpcle-unknown
-		;;
-	ppcle-* | powerpclittle-*)
-		basic_machine=powerpcle-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	ppc64)	basic_machine=powerpc64-unknown
-		;;
-	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
-		basic_machine=powerpc64le-unknown
-		;;
-	ppc64le-* | powerpc64little-*)
-		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	ps2)
-		basic_machine=i386-ibm
-		;;
-	pw32)
-		basic_machine=i586-unknown
-		os=-pw32
-		;;
-	rdos)
-		basic_machine=i386-pc
-		os=-rdos
-		;;
-	rom68k)
-		basic_machine=m68k-rom68k
-		os=-coff
-		;;
-	rm4600)
-		basic_machine=mips-siemens
-		;;
-	rtpc | rtpc-*)
-		basic_machine=romp-ibm
-		;;
-	s390 | s390-*)
-		basic_machine=s390-ibm
-		;;
-	s390x | s390x-*)
-		basic_machine=s390x-ibm
-		;;
-	sa29200)
-		basic_machine=a29k-amd
-		os=-udi
-		;;
-	sb1)
-		basic_machine=mipsisa64sb1-unknown
-		;;
-	sb1el)
-		basic_machine=mipsisa64sb1el-unknown
-		;;
-	sde)
-		basic_machine=mipsisa32-sde
-		os=-elf
-		;;
-	sei)
-		basic_machine=mips-sei
-		os=-seiux
-		;;
-	sequent)
-		basic_machine=i386-sequent
-		;;
-	sh)
-		basic_machine=sh-hitachi
-		os=-hms
-		;;
-	sh5el)
-		basic_machine=sh5le-unknown
-		;;
-	sh64)
-		basic_machine=sh64-unknown
-		;;
-	sparclite-wrs | simso-wrs)
-		basic_machine=sparclite-wrs
-		os=-vxworks
-		;;
-	sps7)
-		basic_machine=m68k-bull
-		os=-sysv2
-		;;
-	spur)
-		basic_machine=spur-unknown
-		;;
-	st2000)
-		basic_machine=m68k-tandem
-		;;
-	stratus)
-		basic_machine=i860-stratus
-		os=-sysv4
-		;;
-	strongarm-* | thumb-*)
-		basic_machine=arm-`echo $basic_machine | sed 's/^^-*-//'`
-		;;
-	sun2)
-		basic_machine=m68000-sun
-		;;
-	sun2os3)
-		basic_machine=m68000-sun
-		os=-sunos3
-		;;
-	sun2os4)
-		basic_machine=m68000-sun
-		os=-sunos4
-		;;
-	sun3os3)
-		basic_machine=m68k-sun
-		os=-sunos3
-		;;
-	sun3os4)
-		basic_machine=m68k-sun
-		os=-sunos4
-		;;
-	sun4os3)
-		basic_machine=sparc-sun
-		os=-sunos3
-		;;
-	sun4os4)
-		basic_machine=sparc-sun
-		os=-sunos4
-		;;
-	sun4sol2)
-		basic_machine=sparc-sun
-		os=-solaris2
-		;;
-	sun3 | sun3-*)
-		basic_machine=m68k-sun
-		;;
-	sun4)
-		basic_machine=sparc-sun
-		;;
-	sun386 | sun386i | roadrunner)
-		basic_machine=i386-sun
-		;;
-	sv1)
-		basic_machine=sv1-cray
-		os=-unicos
-		;;
-	symmetry)
-		basic_machine=i386-sequent
-		os=-dynix
-		;;
-	t3e)
-		basic_machine=alphaev5-cray
-		os=-unicos
-		;;
-	t90)
-		basic_machine=t90-cray
-		os=-unicos
-		;;
-	tile*)
-		basic_machine=$basic_machine-unknown
-		os=-linux-gnu
-		;;
-	tx39)
-		basic_machine=mipstx39-unknown
-		;;
-	tx39el)
-		basic_machine=mipstx39el-unknown
-		;;
-	toad1)
-		basic_machine=pdp10-xkl
-		os=-tops20
-		;;
-	tower | tower-32)
-		basic_machine=m68k-ncr
-		;;
-	tpf)
-		basic_machine=s390x-ibm
-		os=-tpf
-		;;
-	udi29k)
-		basic_machine=a29k-amd
-		os=-udi
-		;;
-	ultra3)
-		basic_machine=a29k-nyu
-		os=-sym1
-		;;
-	v810 | necv810)
-		basic_machine=v810-nec
-		os=-none
-		;;
-	vaxv)
-		basic_machine=vax-dec
-		os=-sysv
-		;;
-	vms)
-		basic_machine=vax-dec
-		os=-vms
-		;;
-	vpp*|vx|vx-*)
-		basic_machine=f301-fujitsu
-		;;
-	vxworks960)
-		basic_machine=i960-wrs
-		os=-vxworks
-		;;
-	vxworks68)
-		basic_machine=m68k-wrs
-		os=-vxworks
-		;;
-	vxworks29k)
-		basic_machine=a29k-wrs
-		os=-vxworks
-		;;
-	w65*)
-		basic_machine=w65-wdc
-		os=-none
-		;;
-	w89k-*)
-		basic_machine=hppa1.1-winbond
-		os=-proelf
-		;;
-	xbox)
-		basic_machine=i686-pc
-		os=-mingw32
-		;;
-	xps | xps100)
-		basic_machine=xps100-honeywell
-		;;
-	xscale-* | xscaleebl-*)
-		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
-		;;
-	ymp)
-		basic_machine=ymp-cray
-		os=-unicos
-		;;
-	z8k-*-coff)
-		basic_machine=z8k-unknown
-		os=-sim
-		;;
-	z80-*-coff)
-		basic_machine=z80-unknown
-		os=-sim
-		;;
-	none)
-		basic_machine=none-none
-		os=-none
-		;;
-
-# Here we handle the default manufacturer of certain CPU types.  It is in
-# some cases the only manufacturer, in others, it is the most popular.
-	w89k)
-		basic_machine=hppa1.1-winbond
-		;;
-	op50n)
-		basic_machine=hppa1.1-oki
-		;;
-	op60c)
-		basic_machine=hppa1.1-oki
-		;;
-	romp)
-		basic_machine=romp-ibm
-		;;
-	mmix)
-		basic_machine=mmix-knuth
-		;;
-	rs6000)
-		basic_machine=rs6000-ibm
-		;;
-	vax)
-		basic_machine=vax-dec
-		;;
-	pdp10)
-		# there are many clones, so DEC is not a safe bet
-		basic_machine=pdp10-unknown
-		;;
-	pdp11)
-		basic_machine=pdp11-dec
-		;;
-	we32k)
-		basic_machine=we32k-att
-		;;
-	sh1234 | sh24a | sh24aeb | sh34eb | sh1234le | sh23ele)
-		basic_machine=sh-unknown
-		;;
-	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
-		basic_machine=sparc-sun
-		;;
-	cydra)
-		basic_machine=cydra-cydrome
-		;;
-	orion)
-		basic_machine=orion-highlevel
-		;;
-	orion105)
-		basic_machine=clipper-highlevel
-		;;
-	mac | mpw | mac-mpw)
-		basic_machine=m68k-apple
-		;;
-	pmac | pmac-mpw)
-		basic_machine=powerpc-apple
-		;;
-	*-unknown)
-		# Make sure to match an already-canonicalized machine name.
-		;;
-	*)
-		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
-		exit 1
-		;;
-esac
-
-# Here we canonicalize certain aliases for manufacturers.
-case $basic_machine in
-	*-digital*)
-		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
-		;;
-	*-commodore*)
-		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
-		;;
-	*)
-		;;
-esac
-
-# Decode manufacturer-specific aliases for certain operating systems.
-
-if  x"$os" != x"" 
-then
-case $os in
-	# First match some system type aliases
-	# that might get confused with valid system types.
-	# -solaris* is a basic system type, with this one exception.
-	-auroraux)
-		os=-auroraux
-		;;
-	-solaris1 | -solaris1.*)
-		os=`echo $os | sed -e 's|solaris1|sunos4|'`
-		;;
-	-solaris)
-		os=-solaris2
-		;;
-	-svr4*)
-		os=-sysv4
-		;;
-	-unixware*)
-		os=-sysv4.2uw
-		;;
-	-gnu/linux*)
-		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
-		;;
-	# First accept the basic system types.
-	# The portable systems comes first.
-	# Each alternative MUST END IN A *, to match a version number.
-	# -sysv* is not here because it comes later, after sysvr4.
-	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
-	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos34*\
-	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
-	      | -sym* | -kopensolaris* \
-	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
-	      | -aos* | -aros* \
-	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
-	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
-	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
-	      | -openbsd* | -solidbsd* \
-	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
-	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
-	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
-	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
-	      | -chorusos* | -chorusrdb* | -cegcc* \
-	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -linux-android* \
-	      | -linux-newlib* | -linux-uclibc* \
-	      | -uxpv* | -beos* | -mpeix* | -udk* \
-	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
-	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
-	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
-	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
-	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
-	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
-	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
-	# Remember, each alternative MUST END IN *, to match a version number.
-		;;
-	-qnx*)
-		case $basic_machine in
-		    x86-* | i*86-*)
-			;;
-		    *)
-			os=-nto$os
-			;;
-		esac
-		;;
-	-nto-qnx*)
-		;;
-	-nto*)
-		os=`echo $os | sed -e 's|nto|nto-qnx|'`
-		;;
-	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
-	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
-	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
-		;;
-	-mac*)
-		os=`echo $os | sed -e 's|mac|macos|'`
-		;;
-	-linux-dietlibc)
-		os=-linux-dietlibc
-		;;
-	-linux*)
-		os=`echo $os | sed -e 's|linux|linux-gnu|'`
-		;;
-	-sunos5*)
-		os=`echo $os | sed -e 's|sunos5|solaris2|'`
-		;;
-	-sunos6*)
-		os=`echo $os | sed -e 's|sunos6|solaris3|'`
-		;;
-	-opened*)
-		os=-openedition
-		;;
-	-os400*)
-		os=-os400
-		;;
-	-wince*)
-		os=-wince
-		;;
-	-osfrose*)
-		os=-osfrose
-		;;
-	-osf*)
-		os=-osf
-		;;
-	-utek*)
-		os=-bsd
-		;;
-	-dynix*)
-		os=-bsd
-		;;
-	-acis*)
-		os=-aos
-		;;
-	-atheos*)
-		os=-atheos
-		;;
-	-syllable*)
-		os=-syllable
-		;;
-	-386bsd)
-		os=-bsd
-		;;
-	-ctix* | -uts*)
-		os=-sysv
-		;;
-	-nova*)
-		os=-rtmk-nova
-		;;
-	-ns2 )
-		os=-nextstep2
-		;;
-	-nsk*)
-		os=-nsk
-		;;
-	# Preserve the version number of sinix5.
-	-sinix5.*)
-		os=`echo $os | sed -e 's|sinix|sysv|'`
-		;;
-	-sinix*)
-		os=-sysv4
-		;;
-	-tpf*)
-		os=-tpf
-		;;
-	-triton*)
-		os=-sysv3
-		;;
-	-oss*)
-		os=-sysv3
-		;;
-	-svr4)
-		os=-sysv4
-		;;
-	-svr3)
-		os=-sysv3
-		;;
-	-sysvr4)
-		os=-sysv4
-		;;
-	# This must come after -sysvr4.
-	-sysv*)
-		;;
-	-ose*)
-		os=-ose
-		;;
-	-es1800*)
-		os=-ose
-		;;
-	-xenix)
-		os=-xenix
-		;;
-	-*mint | -mint0-9* | -*MiNT | -MiNT0-9*)
-		os=-mint
-		;;
-	-aros*)
-		os=-aros
-		;;
-	-kaos*)
-		os=-kaos
-		;;
-	-zvmoe)
-		os=-zvmoe
-		;;
-	-dicos*)
-		os=-dicos
-		;;
-	-nacl*)
-		;;
-	-none)
-		;;
-	*)
-		# Get rid of the `-' at the beginning of $os.
-		os=`echo $os | sed 's/^-*-//'`
-		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
-		exit 1
-		;;
-esac
-else
-
-# Here we handle the default operating systems that come with various machines.
-# The value should be what the vendor currently ships out the door with their
-# machine or put another way, the most popular os provided with the machine.
-
-# Note that if you're going to try to match "-MANUFACTURER" here (say,
-# "-sun"), then you have to tell the case statement up towards the top
-# that MANUFACTURER isn't an operating system.  Otherwise, code above
-# will signal an error saying that MANUFACTURER isn't an operating
-# system, and we'll never get to this point.
-
-case $basic_machine in
-	score-*)
-		os=-elf
-		;;
-	spu-*)
-		os=-elf
-		;;
-	*-acorn)
-		os=-riscix1.2
-		;;
-	arm*-rebel)
-		os=-linux
-		;;
-	arm*-semi)
-		os=-aout
-		;;
-	c4x-* | tic4x-*)
-		os=-coff
-		;;
-	tic54x-*)
-		os=-coff
-		;;
-	tic55x-*)
-		os=-coff
-		;;
-	tic6x-*)
-		os=-coff
-		;;
-	# This must come before the *-dec entry.
-	pdp10-*)
-		os=-tops20
-		;;
-	pdp11-*)
-		os=-none
-		;;
-	*-dec | vax-*)
-		os=-ultrix4.2
-		;;
-	m68*-apollo)
-		os=-domain
-		;;
-	i386-sun)
-		os=-sunos4.0.2
-		;;
-	m68000-sun)
-		os=-sunos3
-		;;
-	m68*-cisco)
-		os=-aout
-		;;
-	mep-*)
-		os=-elf
-		;;
-	mips*-cisco)
-		os=-elf
-		;;
-	mips*-*)
-		os=-elf
-		;;
-	or32-*)
-		os=-coff
-		;;
-	*-tti)	# must be before sparc entry or we get the wrong os.
-		os=-sysv3
-		;;
-	sparc-* | *-sun)
-		os=-sunos4.1.1
-		;;
-	*-be)
-		os=-beos
-		;;
-	*-haiku)
-		os=-haiku
-		;;
-	*-ibm)
-		os=-aix
-		;;
-	*-knuth)
-		os=-mmixware
-		;;
-	*-wec)
-		os=-proelf
-		;;
-	*-winbond)
-		os=-proelf
-		;;
-	*-oki)
-		os=-proelf
-		;;
-	*-hp)
-		os=-hpux
-		;;
-	*-hitachi)
-		os=-hiux
-		;;
-	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
-		os=-sysv
-		;;
-	*-cbm)
-		os=-amigaos
-		;;
-	*-dg)
-		os=-dgux
-		;;
-	*-dolphin)
-		os=-sysv3
-		;;
-	m68k-ccur)
-		os=-rtu
-		;;
-	m88k-omron*)
-		os=-luna
-		;;
-	*-next )
-		os=-nextstep
-		;;
-	*-sequent)
-		os=-ptx
-		;;
-	*-crds)
-		os=-unos
-		;;
-	*-ns)
-		os=-genix
-		;;
-	i370-*)
-		os=-mvs
-		;;
-	*-next)
-		os=-nextstep3
-		;;
-	*-gould)
-		os=-sysv
-		;;
-	*-highlevel)
-		os=-bsd
-		;;
-	*-encore)
-		os=-bsd
-		;;
-	*-sgi)
-		os=-irix
-		;;
-	*-siemens)
-		os=-sysv4
-		;;
-	*-masscomp)
-		os=-rtu
-		;;
-	f3001-fujitsu | f700-fujitsu)
-		os=-uxpv
-		;;
-	*-rom68k)
-		os=-coff
-		;;
-	*-*bug)
-		os=-coff
-		;;
-	*-apple)
-		os=-macos
-		;;
-	*-atari*)
-		os=-mint
-		;;
-	*)
-		os=-none
-		;;
-esac
-fi
-
-# Here we handle the case where we know the os, and the CPU type, but not the
-# manufacturer.  We pick the logical manufacturer.
-vendor=unknown
-case $basic_machine in
-	*-unknown)
-		case $os in
-			-riscix*)
-				vendor=acorn
-				;;
-			-sunos*)
-				vendor=sun
-				;;
-			-cnk*|-aix*)
-				vendor=ibm
-				;;
-			-beos*)
-				vendor=be
-				;;
-			-hpux*)
-				vendor=hp
-				;;
-			-mpeix*)
-				vendor=hp
-				;;
-			-hiux*)
-				vendor=hitachi
-				;;
-			-unos*)
-				vendor=crds
-				;;
-			-dgux*)
-				vendor=dg
-				;;
-			-luna*)
-				vendor=omron
-				;;
-			-genix*)
-				vendor=ns
-				;;
-			-mvs* | -opened*)
-				vendor=ibm
-				;;
-			-os400*)
-				vendor=ibm
-				;;
-			-ptx*)
-				vendor=sequent
-				;;
-			-tpf*)
-				vendor=ibm
-				;;
-			-vxsim* | -vxworks* | -windiss*)
-				vendor=wrs
-				;;
-			-aux*)
-				vendor=apple
-				;;
-			-hms*)
-				vendor=hitachi
-				;;
-			-mpw* | -macos*)
-				vendor=apple
-				;;
-			-*mint | -mint0-9* | -*MiNT | -MiNT0-9*)
-				vendor=atari
-				;;
-			-vos*)
-				vendor=stratus
-				;;
-		esac
-		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
-		;;
-esac
-
-echo $basic_machine$os
-exit
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "timestamp='"
-# time-stamp-format: "%:y-%02m-%02d"
-# time-stamp-end: "'"
-# End:

_service:tar_scm:qpdf-8.4.2.tar.gz/configure Deleted

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-  as_echo_n='print -rn --'
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-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
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-    as_echo_body='eval expr "X$1" : "X\$.*\$"'
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-    export as_echo_n_body
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-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
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-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
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-# CDPATH.
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-
-# Use a proper internal environment variable to ensure we don't fall
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-  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
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-BASH_ENV=/dev/null
-ENV=/dev/null
-(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-case $- in # ((((
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-  *x* ) as_opts=-x ;;
-  * ) as_opts= ;;
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-exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
-# Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-as_fn_exit 255
-  fi
-  # We don't want this to propagate to other subprocesses.
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-  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
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-  setopt NO_GLOB_SUBST
-else
-  case \`(set -o) 2>/dev/null\` in #(
-  *posix*) :
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-  *) :
-     ;;
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-fi
-"
-  as_required="as_fn_return () { (exit \$1); }
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-exitcode=0
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-as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
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-  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
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-  test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || (
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-  as_found=:
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-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-exit 255
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-    if test x$as_have_required = xno; then :
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-## --------------------- ##
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-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
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-as_unset=as_fn_unset
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-# as_fn_set_status STATUS
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-{
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-# as_fn_exit STATUS
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-$as_echo X"$as_dir" |
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-# as_fn_executable_p FILE
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-# as_fn_arith ARG...
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-
-# as_fn_error STATUS ERROR LINENO LOG_FD
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-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
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-$as_echo X/"$0" |
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-as_test_x='test -x'
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-#
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-      ac_precious_vars='build_alias
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-\`configure' configures qpdf 8.4.2 to adapt to many kinds of systems.
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-Optional Packages:
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-  --with-docbook-xsl=DIR  location of docbook 4.x xml stylesheets
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-Some influential environment variables:
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-Use these variables to override the choices made by `configure' or to help
-it to find libraries and programs with nonstandard names/locations.
-
-Report bugs to the package provider.
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-  $as_echo "$as_me: failed program was:" >&5
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-ac_fn_cxx_try_link ()
-{
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-  if { { ac_try="$ac_link"
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-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
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-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
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-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
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-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
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-ac_fn_c_check_header_mongrel ()
-{
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-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
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-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
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-  ac_header_compiler=no
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
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-# Is the header present?
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-/* end confdefs.h.  */
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-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
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-  ac_header_preproc=no
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-rm -f conftest.err conftest.i conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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-
-# ac_fn_c_find_uintX_t LINENO BITS VAR
-# ------------------------------------
-# Finds an unsigned integer type with width BITS, setting cache variable VAR
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-ac_fn_c_find_uintX_t ()
-{
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-$ac_includes_default
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-{
-static int test_array 1 - 2 * !((($ac_type) -1 >> ($2 / 2 - 1)) >> ($2 / 2 - 1) == 3);
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-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
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-eval ac_res=\$$3
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-cat >config.log <<_ACEOF
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-    *) ac_arg=$ac_var=$ac_new_val ;;
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
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-  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
-fi
-## -------------------- ##
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-## -------------------- ##
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-
-
-ac_config_files="$ac_config_files autoconf.mk"
-
-ac_config_files="$ac_config_files manual/html.xsl manual/print.xsl"
-
-ac_config_files="$ac_config_files libqpdf.pc"
-
-ac_config_files="$ac_config_files libqpdf.map"
-
-ac_config_headers="$ac_config_headers libqpdf/qpdf/qpdf-config.h"
-
-
-# Check whether --enable-check-autofiles was given.
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-  enableval=$enable_check_autofiles; if test "$enableval" = "no"; then
-      CHECK_AUTOFILES=0
-    else
-      CHECK_AUTOFILES=1
-    fi
-else
-  CHECK_AUTOFILES=1
-fi
-
-
-# Check to see if automatically generated files are outdated and if we
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-# Extract the first word of "autoconf", so it can be a program name with args.
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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-if ${ac_cv_prog_AUTOCONF+:} false; then :
-  $as_echo_n "(cached) " >&6
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-  if test -n "$AUTOCONF"; then
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-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_AUTOCONF="1"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_prog_AUTOCONF" && ac_cv_prog_AUTOCONF="0"
-fi
-fi
-AUTOCONF=$ac_cv_prog_AUTOCONF
-if test -n "$AUTOCONF"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AUTOCONF" >&5
-$as_echo "$AUTOCONF" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-# Extract the first word of "autoheader", so it can be a program name with args.
-set dummy autoheader; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AUTOHEADER+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$AUTOHEADER"; then
-  ac_cv_prog_AUTOHEADER="$AUTOHEADER" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_AUTOHEADER="1"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_prog_AUTOHEADER" && ac_cv_prog_AUTOHEADER="0"
-fi
-fi
-AUTOHEADER=$ac_cv_prog_AUTOHEADER
-if test -n "$AUTOHEADER"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AUTOHEADER" >&5
-$as_echo "$AUTOHEADER" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-# Extract the first word of "aclocal", so it can be a program name with args.
-set dummy aclocal; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ACLOCAL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ACLOCAL"; then
-  ac_cv_prog_ACLOCAL="$ACLOCAL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ACLOCAL="1"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_prog_ACLOCAL" && ac_cv_prog_ACLOCAL="0"
-fi
-fi
-ACLOCAL=$ac_cv_prog_ACLOCAL
-if test -n "$ACLOCAL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ACLOCAL" >&5
-$as_echo "$ACLOCAL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-# Extract the first word of "sha256sum", so it can be a program name with args.
-set dummy sha256sum; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_SHA256SUM+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$SHA256SUM"; then
-  ac_cv_prog_SHA256SUM="$SHA256SUM" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_SHA256SUM="1"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_prog_SHA256SUM" && ac_cv_prog_SHA256SUM="0"
-fi
-fi
-SHA256SUM=$ac_cv_prog_SHA256SUM
-if test -n "$SHA256SUM"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SHA256SUM" >&5
-$as_echo "$SHA256SUM" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-if test "$CHECK_AUTOFILES$AUTOCONF$AUTOHEADER$ACLOCAL$SHA256SUM" = "11111"; then
-   if ! sha256sum -c autofiles.sums; then
-       as_fn_error $? "autofiles are autodated; rerun autogen.sh" "$LINENO" 5
-   fi
-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "gcc", so it can be a program name with args.
-set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
-else
-  CC="$ac_cv_prog_CC"
-fi
-
-if test -z "$CC"; then
-          if test -n "$ac_tool_prefix"; then
-    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  fi
-fi
-if test -z "$CC"; then
-  # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-  ac_prog_rejected=no
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
-       ac_prog_rejected=yes
-       continue
-     fi
-    ac_cv_prog_CC="cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-if test $ac_prog_rejected = yes; then
-  # We found a bogon in the path, so make sure we never use it.
-  set dummy $ac_cv_prog_CC
-  shift
-  if test $# != 0; then
-    # We chose a different compiler from the bogus one.
-    # However, it has the same basename, so the bogon will be chosen
-    # first if we set CC to just the basename; use the full file name.
-    shift
-    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
-  fi
-fi
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  for ac_prog in cl.exe
-  do
-    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-    test -n "$CC" && break
-  done
-fi
-if test -z "$CC"; then
-  ac_ct_CC=$CC
-  for ac_prog in cl.exe
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$ac_ct_CC" && break
-done
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
-fi
-
-fi
-
-
-test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
-
-# Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
-set X $ac_compile
-ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
-  { { ac_try="$ac_compiler $ac_option >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    sed '10a\
-... rest of stderr output deleted ...
-         10q' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-  fi
-  rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
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-
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
-# Try to create an executable without -o first, disregard a.out.
-# It will help us diagnose broken compilers, and finding out an intuition
-# of exeext.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest^ *//'`
-
-# The possible output files:
-ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
-
-ac_rmfiles=
-for ac_file in $ac_files
-do
-  case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
-    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
-  esac
-done
-rm -f $ac_rmfiles
-
-if { { ac_try="$ac_link_default"
-case "(($ac_try" in
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-/* end confdefs.h.  */
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <wchar.h>
-#include <stdio.h>
-
-// Check varargs macros.  These examples are taken from C99 6.10.3.5.
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-{
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-  showlist (The first, second, and third items.);
-  report (x>y, "x is %d but y is %d", x, y);
-}
-
-// Check long long types.
-#define BIG64 18446744073709551615ull
-#define BIG32 4294967295ul
-#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
-#if !BIG_OK
-  your preprocessor is broken;
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-#if BIG_OK
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-static long long int bignum = -9223372036854775807LL;
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-
-struct incomplete_array
-{
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-  double data;
-};
-
-struct named_init {
-  int number;
-  const wchar_t *name;
-  double average;
-};
-
-typedef const char *ccp;
-
-static inline int
-test_restrict (ccp restrict text)
-{
-  // See if C++-style comments work.
-  // Iterate through items via the restricted pointer.
-  // Also check for declarations in for loops.
-  for (unsigned int i = 0; *(text+i) != '\0'; ++i)
-    continue;
-  return 0;
-}
-
-// Check varargs and va_copy.
-static void
-test_varargs (const char *format, ...)
-{
-  va_list args;
-  va_start (args, format);
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-  va_copy (args_copy, args);
-
-  const char *str;
-  int number;
-  float fnumber;
-
-  while (*format)
-    {
-      switch (*format++)
-	{
-	case 's': // string
-	  str = va_arg (args_copy, const char *);
-	  break;
-	case 'd': // int
-	  number = va_arg (args_copy, int);
-	  break;
-	case 'f': // float
-	  fnumber = va_arg (args_copy, double);
-	  break;
-	default:
-	  break;
-	}
-    }
-  va_end (args_copy);
-  va_end (args);
-}
-
-int
-main ()
-{
-
-  // Check bool.
-  _Bool success = false;
-
-  // Check restrict.
-  if (test_restrict ("String literal") == 0)
-    success = true;
-  char *restrict newvar = "Another string";
-
-  // Check varargs.
-  test_varargs ("s, d' f .", "string", 65, 34.234);
-  test_varargs_macros ();
-
-  // Check flexible array members.
-  struct incomplete_array *ia =
-    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
-  ia->datasize = 10;
-  for (int i = 0; i < ia->datasize; ++i)
-    ia->datai = i * 1.234;
-
-  // Check named initializers.
-  struct named_init ni = {
-    .number = 34,
-    .name = L"Test wide string",
-    .average = 543.34343,
-  };
-
-  ni.number = 58;
-
-  int dynamic_arrayni.number;
-  dynamic_arrayni.number - 1 = 543;
-
-  // work around unused variable warnings
-  return (!success || bignum == 0LL || ubignum == 0uLL || newvar0 == 'x'
-	  || dynamic_arrayni.number - 1 != 543);
-
-  ;
-  return 0;
-}
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-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
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-
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-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
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-  if test -n "$CCC"; then
-    CXX=$CCC
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-    if test -n "$ac_tool_prefix"; then
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-  done
-IFS=$as_save_IFS
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-fi
-fi
-CXX=$ac_cv_prog_CXX
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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-
-
-    test -n "$CXX" && break
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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-ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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-
-
-  test -n "$ac_ct_CXX" && break
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-
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
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-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
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-int
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-{
-#ifndef __GNUC__
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-  ;
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-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
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-  ac_compiler_gnu=no
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-
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
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-ac_test_CXXFLAGS=${CXXFLAGS+set}
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
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-  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
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-int
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-{
-
-  ;
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-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
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-  CXXFLAGS=""
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-
-int
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-{
-
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-}
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
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-  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
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-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
-  ac_cv_prog_cxx_g=yes
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
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-
-ac_ext=c
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-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
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-      ac_preproc_ok=false
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-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-  # OK, works on sane cases.  Now check whether nonexistent headers
-  # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
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-  # Passes both tests.
-ac_preproc_ok=:
-break
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-
-done
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-if $ac_preproc_ok; then :
-  break
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-
-    done
-    ac_cv_prog_CPP=$CPP
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-fi
-  CPP=$ac_cv_prog_CPP
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-  ac_cv_prog_CPP=$CPP
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
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-ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
-  # Use a header file that comes with gcc, so configuring glibc
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-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
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-else
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
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-/* end confdefs.h.  */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
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-else
-  # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
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-else
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-as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
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-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
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-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
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-  if test -z "$GREP"; then
-  ac_path_GREP_found=false
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-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
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-  ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
-  while :
-  do
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-    mv "conftest.tmp" "conftest.in"
-    cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
-    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
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-    done
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-IFS=$as_save_IFS
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-  fi
-else
-  ac_cv_path_GREP=$GREP
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-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
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-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
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-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-  do
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-    cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
-    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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-    as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_EGREP="$ac_path_EGREP"
-      ac_path_EGREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
-      $ac_path_EGREP_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
-  if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
-else
-  ac_cv_path_EGREP=$EGREP
-fi
-
-   fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
- EGREP="$ac_cv_path_EGREP"
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
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-if ${ac_cv_header_stdc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_stdc=yes
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
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-}
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-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
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-ac_aux_dir=
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-ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
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-case `pwd` in
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-
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-
-
-
-
-
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-
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-$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
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-# Backslashify metacharacters that are still active within
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-# Sed substitution to delay expansion of an escaped shell variable in a
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
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-  ECHO='printf %s\n'
-else
-  # Use this function as a fallback that always works.
-  func_fallback_echo ()
-  {
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-_LTECHO_EOF'
-  }
-  ECHO='func_fallback_echo'
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-# func_echo_all arg...
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-{
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-  print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
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-
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-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
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-     done
-     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
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-     if test -z "$SED"; then
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-    as_fn_arith $ac_count + 1 && ac_count=$as_val
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-  done
-  done
-IFS=$as_save_IFS
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-  ac_cv_path_SED=$SED
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-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
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- SED="$ac_cv_path_SED"
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-
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-
-
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
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-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
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-  ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
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-  do
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-    cp "conftest.in" "conftest.nl"
-    $as_echo 'FGREP' >> "conftest.nl"
-    "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
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-    as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_FGREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_FGREP="$ac_path_FGREP"
-      ac_path_FGREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
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-      $ac_path_FGREP_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
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-    as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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-else
-  ac_cv_path_FGREP=$FGREP
-fi
-
-   fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
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-
-
-test -z "$GREP" && GREP=grep
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-# Check whether --with-gnu-ld was given.
-if test "${with_gnu_ld+set}" = set; then :
-  withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
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-  with_gnu_ld=no
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-ac_prog=ld
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-  # Check if gcc -print-prog-name=ld gives a path.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
-$as_echo_n "checking for ld used by $CC... " >&6; }
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-    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
-  *)
-    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
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-  case $ac_prog in
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-      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
-	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
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-      test -z "$LD" && LD=$ac_prog
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-    # If it fails, then pretend we aren't using GCC.
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-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
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-  $as_echo_n "(cached) " >&6
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-  if test -z "$LD"; then
-  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
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-      # Check to see if the program is GNU ld.  I'd rather use --version,
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-      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
-      *GNU* | *'with BFD'*)
-	test no != "$with_gnu_ld" && break
-	;;
-      *)
-	test yes != "$with_gnu_ld" && break
-	;;
-      esac
-    fi
-  done
-  IFS=$lt_save_ifs
-else
-  lt_cv_path_LD=$LD # Let the user override the test with a path.
-fi
-fi
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-LD=$lt_cv_path_LD
-if test -n "$LD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
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-test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
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-  $as_echo_n "(cached) " >&6
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-*GNU* | *'with BFD'*)
-  lt_cv_prog_gnu_ld=yes
-  ;;
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-  lt_cv_prog_gnu_ld=no
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-esac
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
-$as_echo "$lt_cv_prog_gnu_ld" >&6; }
-with_gnu_ld=$lt_cv_prog_gnu_ld
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
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-  if test -n "$NM"; then
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-  lt_nm_to_check=${ac_tool_prefix}nm
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-    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
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-	# Check to see if the nm accepts a BSD-compat flag.
-	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
-	#   nm: unknown option "B" ignored
-	# Tru64's nm complains that /dev/null is an invalid object file
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-	mingw*) lt_bad_file=conftest.nm/nofile ;;
-	*) lt_bad_file=/dev/null ;;
-	esac
-	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
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-	  lt_cv_path_NM="$tmp_nm -B"
-	  break 2
-	  ;;
-	*)
-	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
-	  */dev/null*)
-	    lt_cv_path_NM="$tmp_nm -p"
-	    break 2
-	    ;;
-	  *)
-	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
-	    continue # so that we can try to find one that supports BSD flags
-	    ;;
-	  esac
-	  ;;
-	esac
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-  : ${lt_cv_path_NM=no}
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
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-DUMPBIN=$ac_cv_prog_DUMPBIN
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
-$as_echo "$DUMPBIN" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-    test -n "$DUMPBIN" && break
-  done
-fi
-if test -z "$DUMPBIN"; then
-  ac_ct_DUMPBIN=$DUMPBIN
-  for ac_prog in dumpbin "link -dump"
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_DUMPBIN"; then
-  ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
-if test -n "$ac_ct_DUMPBIN"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
-$as_echo "$ac_ct_DUMPBIN" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$ac_ct_DUMPBIN" && break
-done
-
-  if test "x$ac_ct_DUMPBIN" = x; then
-    DUMPBIN=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    DUMPBIN=$ac_ct_DUMPBIN
-  fi
-fi
-
-    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
-    *COFF*)
-      DUMPBIN="$DUMPBIN -symbols -headers"
-      ;;
-    *)
-      DUMPBIN=:
-      ;;
-    esac
-  fi
-
-  if test : != "$DUMPBIN"; then
-    NM=$DUMPBIN
-  fi
-fi
-test -z "$NM" && NM=nm
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
-$as_echo_n "checking the name lister ($NM) interface... " >&6; }
-if ${lt_cv_nm_interface+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_nm_interface="BSD nm"
-  echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
-  (eval "$ac_compile" 2>conftest.err)
-  cat conftest.err >&5
-  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
-  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
-  cat conftest.err >&5
-  (eval echo "\"\$as_me:$LINENO: output\"" >&5)
-  cat conftest.out >&5
-  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
-    lt_cv_nm_interface="MS dumpbin"
-  fi
-  rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
-$as_echo "$lt_cv_nm_interface" >&6; }
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
-$as_echo_n "checking whether ln -s works... " >&6; }
-LN_S=$as_ln_s
-if test "$LN_S" = "ln -s"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
-$as_echo "no, using $LN_S" >&6; }
-fi
-
-# find the maximum length of command line arguments
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
-$as_echo_n "checking the maximum length of command line arguments... " >&6; }
-if ${lt_cv_sys_max_cmd_len+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-    i=0
-  teststring=ABCD
-
-  case $build_os in
-  msdosdjgpp*)
-    # On DJGPP, this test can blow up pretty badly due to problems in libc
-    # (any single argument exceeding 2000 bytes causes a buffer overrun
-    # during glob expansion).  Even if it were fixed, the result of this
-    # check would be larger than it should be.
-    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
-    ;;
-
-  gnu*)
-    # Under GNU Hurd, this test is not required because there is
-    # no limit to the length of command line arguments.
-    # Libtool will interpret -1 as no limit whatsoever
-    lt_cv_sys_max_cmd_len=-1;
-    ;;
-
-  cygwin* | mingw* | cegcc*)
-    # On Win9x/ME, this test blows up -- it succeeds, but takes
-    # about 5 minutes as the teststring grows exponentially.
-    # Worse, since 9x/ME are not pre-emptively multitasking,
-    # you end up with a "frozen" computer, even though with patience
-    # the test eventually succeeds (with a max line length of 256k).
-    # Instead, let's just punt: use the minimum linelength reported by
-    # all of the supported platforms: 8192 (on NT/2K/XP).
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
-
-  mint*)
-    # On MiNT this can take a long time and run out of memory.
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
-
-  amigaos*)
-    # On AmigaOS with pdksh, this test takes hours, literally.
-    # So we just punt and use a minimum line length of 8192.
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
-
-  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
-    # This has been around since 386BSD, at least.  Likely further.
-    if test -x /sbin/sysctl; then
-      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
-    elif test -x /usr/sbin/sysctl; then
-      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
-    else
-      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
-    fi
-    # And add a safety zone
-    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
-    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
-    ;;
-
-  interix*)
-    # We know the value 262144 and hardcode it with a safety zone (like BSD)
-    lt_cv_sys_max_cmd_len=196608
-    ;;
-
-  os2*)
-    # The test takes a long time on OS/2.
-    lt_cv_sys_max_cmd_len=8192
-    ;;
-
-  osf*)
-    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
-    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
-    # nice to cause kernel panics so lets avoid the loop below.
-    # First set a reasonable default.
-    lt_cv_sys_max_cmd_len=16384
-    #
-    if test -x /sbin/sysconfig; then
-      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
-        *1*) lt_cv_sys_max_cmd_len=-1 ;;
-      esac
-    fi
-    ;;
-  sco3.2v5*)
-    lt_cv_sys_max_cmd_len=102400
-    ;;
-  sysv5* | sco5v6* | sysv4.2uw2*)
-    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
-    if test -n "$kargmax"; then
-      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*	 //'`
-    else
-      lt_cv_sys_max_cmd_len=32768
-    fi
-    ;;
-  *)
-    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
-    if test -n "$lt_cv_sys_max_cmd_len" && \
-       test undefined != "$lt_cv_sys_max_cmd_len"; then
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
-    else
-      # Make teststring a little bigger before we do anything with it.
-      # a 1K string should be a reasonable start.
-      for i in 1 2 3 4 5 6 7 8; do
-        teststring=$teststring$teststring
-      done
-      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
-      # If test is not a shell built-in, we'll probably end up computing a
-      # maximum length that is only half of the actual maximum length, but
-      # we can't tell.
-      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
-	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
-	      test 17 != "$i" # 1/2 MB should be enough
-      do
-        i=`expr $i + 1`
-        teststring=$teststring$teststring
-      done
-      # Only check the string length outside the loop.
-      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
-      teststring=
-      # Add a significant safety factor because C++ compilers can tack on
-      # massive amounts of additional arguments before passing them to the
-      # linker.  It appears as though 1/2 is a usable value.
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
-    fi
-    ;;
-  esac
-
-fi
-
-if test -n "$lt_cv_sys_max_cmd_len"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
-$as_echo "$lt_cv_sys_max_cmd_len" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
-$as_echo "none" >&6; }
-fi
-max_cmd_len=$lt_cv_sys_max_cmd_len
-
-
-
-
-
-
-: ${CP="cp -f"}
-: ${MV="mv -f"}
-: ${RM="rm -f"}
-
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  lt_unset=unset
-else
-  lt_unset=false
-fi
-
-
-
-
-
-# test EBCDIC or ASCII
-case `echo X|tr X '\101'` in
- A) # ASCII based system
-    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
-  lt_SP2NL='tr \040 \012'
-  lt_NL2SP='tr \015\012 \040\040'
-  ;;
- *) # EBCDIC based system
-  lt_SP2NL='tr \100 \n'
-  lt_NL2SP='tr \r\n \100\100'
-  ;;
-esac
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5
-$as_echo_n "checking how to convert $build file names to $host format... " >&6; }
-if ${lt_cv_to_host_file_cmd+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $host in
-  *-*-mingw* )
-    case $build in
-      *-*-mingw* ) # actually msys
-        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
-        ;;
-      *-*-cygwin* )
-        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
-        ;;
-      * ) # otherwise, assume *nix
-        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
-        ;;
-    esac
-    ;;
-  *-*-cygwin* )
-    case $build in
-      *-*-mingw* ) # actually msys
-        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
-        ;;
-      *-*-cygwin* )
-        lt_cv_to_host_file_cmd=func_convert_file_noop
-        ;;
-      * ) # otherwise, assume *nix
-        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
-        ;;
-    esac
-    ;;
-  * ) # unhandled hosts (and "normal" native builds)
-    lt_cv_to_host_file_cmd=func_convert_file_noop
-    ;;
-esac
-
-fi
-
-to_host_file_cmd=$lt_cv_to_host_file_cmd
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
-$as_echo "$lt_cv_to_host_file_cmd" >&6; }
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5
-$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; }
-if ${lt_cv_to_tool_file_cmd+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  #assume ordinary cross tools, or native build.
-lt_cv_to_tool_file_cmd=func_convert_file_noop
-case $host in
-  *-*-mingw* )
-    case $build in
-      *-*-mingw* ) # actually msys
-        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
-        ;;
-    esac
-    ;;
-esac
-
-fi
-
-to_tool_file_cmd=$lt_cv_to_tool_file_cmd
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
-$as_echo "$lt_cv_to_tool_file_cmd" >&6; }
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
-$as_echo_n "checking for $LD option to reload object files... " >&6; }
-if ${lt_cv_ld_reload_flag+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_ld_reload_flag='-r'
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
-$as_echo "$lt_cv_ld_reload_flag" >&6; }
-reload_flag=$lt_cv_ld_reload_flag
-case $reload_flag in
-"" | " "*) ;;
-*) reload_flag=" $reload_flag" ;;
-esac
-reload_cmds='$LD$reload_flag -o $output$reload_objs'
-case $host_os in
-  cygwin* | mingw* | pw32* | cegcc*)
-    if test yes != "$GCC"; then
-      reload_cmds=false
-    fi
-    ;;
-  darwin*)
-    if test yes = "$GCC"; then
-      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
-    else
-      reload_cmds='$LD$reload_flag -o $output$reload_objs'
-    fi
-    ;;
-esac
-
-
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
-set dummy ${ac_tool_prefix}objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OBJDUMP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$OBJDUMP"; then
-  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-OBJDUMP=$ac_cv_prog_OBJDUMP
-if test -n "$OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OBJDUMP"; then
-  ac_ct_OBJDUMP=$OBJDUMP
-  # Extract the first word of "objdump", so it can be a program name with args.
-set dummy objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_OBJDUMP"; then
-  ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_OBJDUMP="objdump"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
-if test -n "$ac_ct_OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
-$as_echo "$ac_ct_OBJDUMP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_OBJDUMP" = x; then
-    OBJDUMP="false"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    OBJDUMP=$ac_ct_OBJDUMP
-  fi
-else
-  OBJDUMP="$ac_cv_prog_OBJDUMP"
-fi
-
-test -z "$OBJDUMP" && OBJDUMP=objdump
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
-$as_echo_n "checking how to recognize dependent libraries... " >&6; }
-if ${lt_cv_deplibs_check_method+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_file_magic_cmd='$MAGIC_CMD'
-lt_cv_file_magic_test_file=
-lt_cv_deplibs_check_method='unknown'
-# Need to set the preceding variable on all platforms that support
-# interlibrary dependencies.
-# 'none' -- dependencies not supported.
-# 'unknown' -- same as none, but documents that we really don't know.
-# 'pass_all' -- all dependencies passed with no checks.
-# 'test_compile' -- check by making test program.
-# 'file_magic regex' -- check by looking for files in library path
-# that responds to the $file_magic_cmd with a given extended regex.
-# If you have 'file' or equivalent on your system and you're not sure
-# whether 'pass_all' will *always* work, you probably want this one.
-
-case $host_os in
-aix4-9*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-beos*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-bsdi45*)
-  lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit MLSB (shared object|dynamic lib)'
-  lt_cv_file_magic_cmd='/usr/bin/file -L'
-  lt_cv_file_magic_test_file=/shlib/libc.so
-  ;;
-
-cygwin*)
-  # func_win32_libid is a shell function defined in ltmain.sh
-  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
-  lt_cv_file_magic_cmd='func_win32_libid'
-  ;;
-
-mingw* | pw32*)
-  # Base MSYS/MinGW do not provide the 'file' command needed by
-  # func_win32_libid shell function, so use a weaker test based on 'objdump',
-  # unless we find 'file', for example because we are cross-compiling.
-  if ( file / ) >/dev/null 2>&1; then
-    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
-    lt_cv_file_magic_cmd='func_win32_libid'
-  else
-    # Keep this pattern in sync with the one in func_win32_libid.
-    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
-    lt_cv_file_magic_cmd='$OBJDUMP -f'
-  fi
-  ;;
-
-cegcc*)
-  # use the weaker test based on 'objdump'. See mingw*.
-  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
-  lt_cv_file_magic_cmd='$OBJDUMP -f'
-  ;;
-
-darwin* | rhapsody*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-freebsd* | dragonfly*)
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
-    case $host_cpu in
-    i*86 )
-      # Not sure whether the presence of OpenBSD here was a mistake.
-      # Let's accept both of them until this is cleared up.
-      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i3-986 (compact )?demand paged shared library'
-      lt_cv_file_magic_cmd=/usr/bin/file
-      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
-      ;;
-    esac
-  else
-    lt_cv_deplibs_check_method=pass_all
-  fi
-  ;;
-
-haiku*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-hpux10.20* | hpux11*)
-  lt_cv_file_magic_cmd=/usr/bin/file
-  case $host_cpu in
-  ia64*)
-    lt_cv_deplibs_check_method='file_magic (s0-90-90-9|ELF-0-90-9) shared object file - IA64'
-    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
-    ;;
-  hppa*64*)
-    lt_cv_deplibs_check_method='file_magic (s0-90-90-9|ELF -0-90-9)(-bit)?( LMSB)? shared object( file)?, -* PA-RISC 0-9\.0-9'
-    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
-    ;;
-  *)
-    lt_cv_deplibs_check_method='file_magic (s0-90-90-9|PA-RISC0-9\.0-9) shared library'
-    lt_cv_file_magic_test_file=/usr/lib/libc.sl
-    ;;
-  esac
-  ;;
-
-interix3-9*)
-  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
-  lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so|\.a)$'
-  ;;
-
-irix5* | irix6* | nonstopux*)
-  case $LD in
-  *-32|*"-32 ") libmagic=32-bit;;
-  *-n32|*"-n32 ") libmagic=N32;;
-  *-64|*"-64 ") libmagic=64-bit;;
-  *) libmagic=never-match;;
-  esac
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-# This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-netbsd* | netbsdelf*-gnu)
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so\.0-9+\.0-9+|_pic\.a)$'
-  else
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so|_pic\.a)$'
-  fi
-  ;;
-
-newos6*)
-  lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit MLSB (executable|dynamic lib)'
-  lt_cv_file_magic_cmd=/usr/bin/file
-  lt_cv_file_magic_test_file=/usr/lib/libnls.so
-  ;;
-
-*nto* | *qnx*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-openbsd* | bitrig*)
-  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so\.0-9+\.0-9+|\.so|_pic\.a)$'
-  else
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so\.0-9+\.0-9+|_pic\.a)$'
-  fi
-  ;;
-
-osf3* | osf4* | osf5*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-rdos*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-solaris*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-sysv4 | sysv4.3*)
-  case $host_vendor in
-  motorola)
-    lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit MLSB (shared object|dynamic lib) M0-90-9* Version 0-9'
-    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
-    ;;
-  ncr)
-    lt_cv_deplibs_check_method=pass_all
-    ;;
-  sequent)
-    lt_cv_file_magic_cmd='/bin/file'
-    lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit LMSB (shared object|dynamic lib )'
-    ;;
-  sni)
-    lt_cv_file_magic_cmd='/bin/file'
-    lt_cv_deplibs_check_method="file_magic ELF 0-90-9*-bit LMSB dynamic lib"
-    lt_cv_file_magic_test_file=/lib/libc.so
-    ;;
-  siemens)
-    lt_cv_deplibs_check_method=pass_all
-    ;;
-  pc)
-    lt_cv_deplibs_check_method=pass_all
-    ;;
-  esac
-  ;;
-
-tpf*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-os2*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-esac
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
-$as_echo "$lt_cv_deplibs_check_method" >&6; }
-
-file_magic_glob=
-want_nocaseglob=no
-if test "$build" = "$host"; then
-  case $host_os in
-  mingw* | pw32*)
-    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
-      want_nocaseglob=yes
-    else
-      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/$..$/s\/\1\/\1\/g;/g"`
-    fi
-    ;;
-  esac
-fi
-
-file_magic_cmd=$lt_cv_file_magic_cmd
-deplibs_check_method=$lt_cv_deplibs_check_method
-test -z "$deplibs_check_method" && deplibs_check_method=unknown
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
-set dummy ${ac_tool_prefix}dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DLLTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$DLLTOOL"; then
-  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-DLLTOOL=$ac_cv_prog_DLLTOOL
-if test -n "$DLLTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
-$as_echo "$DLLTOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_DLLTOOL"; then
-  ac_ct_DLLTOOL=$DLLTOOL
-  # Extract the first word of "dlltool", so it can be a program name with args.
-set dummy dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_DLLTOOL"; then
-  ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_DLLTOOL="dlltool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
-if test -n "$ac_ct_DLLTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
-$as_echo "$ac_ct_DLLTOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_DLLTOOL" = x; then
-    DLLTOOL="false"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    DLLTOOL=$ac_ct_DLLTOOL
-  fi
-else
-  DLLTOOL="$ac_cv_prog_DLLTOOL"
-fi
-
-test -z "$DLLTOOL" && DLLTOOL=dlltool
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5
-$as_echo_n "checking how to associate runtime and link libraries... " >&6; }
-if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_sharedlib_from_linklib_cmd='unknown'
-
-case $host_os in
-cygwin* | mingw* | pw32* | cegcc*)
-  # two different shell functions defined in ltmain.sh;
-  # decide which one to use based on capabilities of $DLLTOOL
-  case `$DLLTOOL --help 2>&1` in
-  *--identify-strict*)
-    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
-    ;;
-  *)
-    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
-    ;;
-  esac
-  ;;
-*)
-  # fallback: assume linklib IS sharedlib
-  lt_cv_sharedlib_from_linklib_cmd=$ECHO
-  ;;
-esac
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
-$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
-sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
-test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
-  for ac_prog in ar
-  do
-    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$AR"; then
-  ac_cv_prog_AR="$AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_AR="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-AR=$ac_cv_prog_AR
-if test -n "$AR"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
-$as_echo "$AR" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-    test -n "$AR" && break
-  done
-fi
-if test -z "$AR"; then
-  ac_ct_AR=$AR
-  for ac_prog in ar
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AR+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_AR"; then
-  ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_AR="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_AR=$ac_cv_prog_ac_ct_AR
-if test -n "$ac_ct_AR"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
-$as_echo "$ac_ct_AR" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$ac_ct_AR" && break
-done
-
-  if test "x$ac_ct_AR" = x; then
-    AR="false"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    AR=$ac_ct_AR
-  fi
-fi
-
-: ${AR=ar}
-: ${AR_FLAGS=cru}
-
-
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5
-$as_echo_n "checking for archiver @FILE support... " >&6; }
-if ${lt_cv_ar_at_file+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_ar_at_file=no
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  echo conftest.$ac_objext > conftest.lst
-      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5'
-      { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
-  (eval $lt_ar_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-      if test 0 -eq "$ac_status"; then
-	# Ensure the archiver fails upon bogus file names.
-	rm -f conftest.$ac_objext libconftest.a
-	{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
-  (eval $lt_ar_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-	if test 0 -ne "$ac_status"; then
-          lt_cv_ar_at_file=@
-        fi
-      fi
-      rm -f conftest.* libconftest.a
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
-$as_echo "$lt_cv_ar_at_file" >&6; }
-
-if test no = "$lt_cv_ar_at_file"; then
-  archiver_list_spec=
-else
-  archiver_list_spec=$lt_cv_ar_at_file
-fi
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
-set dummy ${ac_tool_prefix}strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_STRIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$STRIP"; then
-  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-STRIP=$ac_cv_prog_STRIP
-if test -n "$STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
-$as_echo "$STRIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_STRIP"; then
-  ac_ct_STRIP=$STRIP
-  # Extract the first word of "strip", so it can be a program name with args.
-set dummy strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_STRIP"; then
-  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_STRIP="strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
-if test -n "$ac_ct_STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
-$as_echo "$ac_ct_STRIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_STRIP" = x; then
-    STRIP=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    STRIP=$ac_ct_STRIP
-  fi
-else
-  STRIP="$ac_cv_prog_STRIP"
-fi
-
-test -z "$STRIP" && STRIP=:
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
-set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$RANLIB"; then
-  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-RANLIB=$ac_cv_prog_RANLIB
-if test -n "$RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_RANLIB"; then
-  ac_ct_RANLIB=$RANLIB
-  # Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_RANLIB"; then
-  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_RANLIB="ranlib"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
-if test -n "$ac_ct_RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_RANLIB" = x; then
-    RANLIB=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    RANLIB=$ac_ct_RANLIB
-  fi
-else
-  RANLIB="$ac_cv_prog_RANLIB"
-fi
-
-test -z "$RANLIB" && RANLIB=:
-
-
-
-
-
-
-# Determine commands to create old-style static archives.
-old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
-old_postinstall_cmds='chmod 644 $oldlib'
-old_postuninstall_cmds=
-
-if test -n "$RANLIB"; then
-  case $host_os in
-  bitrig* | openbsd*)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
-    ;;
-  *)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
-    ;;
-  esac
-  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
-fi
-
-case $host_os in
-  darwin*)
-    lock_old_archive_extraction=yes ;;
-  *)
-    lock_old_archive_extraction=no ;;
-esac
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-for ac_prog in gawk mawk nawk awk
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AWK+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$AWK"; then
-  ac_cv_prog_AWK="$AWK" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_AWK="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-AWK=$ac_cv_prog_AWK
-if test -n "$AWK"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
-$as_echo "$AWK" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$AWK" && break
-done
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-
-
-# Check for command to grab the raw symbol name followed by C symbol from nm.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5
-$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
-if ${lt_cv_sys_global_symbol_pipe+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-# These are sane defaults that work on at least a few old systems.
-# They come from Ultrix.  What could be older than Ultrix?!! ;)
-
-# Character class describing NM global symbol codes.
-symcode='BCDEGRST'
-
-# Regexp to match symbols that can be accessed directly from C.
-sympat='$_A-Za-z_A-Za-z0-9*$'
-
-# Define system-specific variables.
-case $host_os in
-aix*)
-  symcode='BCDT'
-  ;;
-cygwin* | mingw* | pw32* | cegcc*)
-  symcode='ABCDGISTW'
-  ;;
-hpux*)
-  if test ia64 = "$host_cpu"; then
-    symcode='ABCDEGRST'
-  fi
-  ;;
-irix* | nonstopux*)
-  symcode='BCDEGRST'
-  ;;
-osf*)
-  symcode='BCDEGQRST'
-  ;;
-solaris*)
-  symcode='BDRT'
-  ;;
-sco3.2v5*)
-  symcode='DT'
-  ;;
-sysv4.2uw2*)
-  symcode='DT'
-  ;;
-sysv5* | sco5v6* | unixware* | OpenUNIX*)
-  symcode='ABDT'
-  ;;
-sysv4)
-  symcode='DFNSTU'
-  ;;
-esac
-
-# If we're using GNU nm, then use its standard symbol codes.
-case `$NM -V 2>&1` in
-*GNU* | *'with BFD'*)
-  symcode='ABCDGIRSTW' ;;
-esac
-
-if test "$lt_cv_nm_interface" = "MS dumpbin"; then
-  # Gets list of data symbols to import.
-  lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* $.*$$/\1/p'"
-  # Adjust the below global symbol transforms to fixup imported variables.
-  lt_cdecl_hook=" -e 's/^I .* $.*$$/extern __declspec(dllimport) char \1;/p'"
-  lt_c_name_hook=" -e 's/^I .* $.*$$/  {\"\1\", (void *) 0},/p'"
-  lt_c_name_lib_hook="\
-  -e 's/^I .* $lib.*$$/  {\"\1\", (void *) 0},/p'\
-  -e 's/^I .* $.*$$/  {\"lib\1\", (void *) 0},/p'"
-else
-  # Disable hooks by default.
-  lt_cv_sys_global_symbol_to_import=
-  lt_cdecl_hook=
-  lt_c_name_hook=
-  lt_c_name_lib_hook=
-fi
-
-# Transform an extracted symbol line into a proper C declaration.
-# Some systems (esp. on ia64) link data and code symbols differently,
-# so use this general approach.
-lt_cv_sys_global_symbol_to_cdecl="sed -n"\
-$lt_cdecl_hook\
-" -e 's/^T .* $.*$$/extern int \1();/p'"\
-" -e 's/^$symcode$symcode* .* $.*$$/extern char \1;/p'"
-
-# Transform an extracted symbol line into symbol name and symbol address
-lt_cv_sys_global_symbol_to_c_name_address="sed -n"\
-$lt_c_name_hook\
-" -e 's/^: $.*$ .*$/  {\"\1\", (void *) 0},/p'"\
-" -e 's/^$symcode$symcode* .* $.*$$/  {\"\1\", (void *) \&\1},/p'"
-
-# Transform an extracted symbol line into symbol name with lib prefix and
-# symbol address.
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\
-$lt_c_name_lib_hook\
-" -e 's/^: $.*$ .*$/  {\"\1\", (void *) 0},/p'"\
-" -e 's/^$symcode$symcode* .* $lib.*$$/  {\"\1\", (void *) \&\1},/p'"\
-" -e 's/^$symcode$symcode* .* $.*$$/  {\"lib\1\", (void *) \&\1},/p'"
-
-# Handle CRLF in mingw tool chain
-opt_cr=
-case $build_os in
-mingw*)
-  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
-  ;;
-esac
-
-# Try without a prefix underscore, then with it.
-for ac_symprfx in "" "_"; do
-
-  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
-  symxfrm="\\1 $ac_symprfx\\2 \\2"
-
-  # Write the raw and C identifiers.
-  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
-    # Fake it for dumpbin and say T for any non-static function,
-    # D for any global variable and I for any imported variable.
-    # Also find C++ and __fastcall symbols from MSVC++,
-    # which start with @ or ?.
-    lt_cv_sys_global_symbol_pipe="$AWK '"\
-"     {last_section=section; section=\$ 3};"\
-"     /^COFF SYMBOL TABLE/{for(i in hide) delete hidei};"\
-"     /Section length .*#relocs.*(pick any)/{hidelast_section=1};"\
-"     /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn2,2)};"\
-"     /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
-"     /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
-"     \$ 0!~/External *\|/{next};"\
-"     / 0+ UNDEF /{next}; / UNDEF $^|$*()/{next};"\
-"     {if(hidesection) next};"\
-"     {f=\"D\"}; \$ 0~/.*\|/{f=\"T\"};"\
-"     {split(\$ 0,a,/\||\r/); split(a2,s)};"\
-"     s1~/^@?/{print f,s1,s1; next};"\
-"     s1~prfx {split(s1,t,\"@\"); print f,t1,substr(t1,length(prfx))}"\
-"     ' prfx=^$ac_symprfx"
-  else
-    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*	 $$symcode$symcode*$	 	 *$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
-  fi
-  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
-
-  # Check to see that the pipe works correctly.
-  pipe_works=no
-
-  rm -f conftest*
-  cat > conftest.$ac_ext <<_LT_EOF
-#ifdef __cplusplus
-extern "C" {
-#endif
-char nm_test_var;
-void nm_test_func(void);
-void nm_test_func(void){}
-#ifdef __cplusplus
-}
-#endif
-int main(){nm_test_var='a';nm_test_func();return(0);}
-_LT_EOF
-
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then
-    # Now try to grab the symbols.
-    nlist=conftest.nm
-    if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5
-  (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s "$nlist"; then
-      # Try sorting and uniquifying the output.
-      if sort "$nlist" | uniq > "$nlist"T; then
-	mv -f "$nlist"T "$nlist"
-      else
-	rm -f "$nlist"T
-      fi
-
-      # Make sure that we snagged all the symbols we need.
-      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
-	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
-	  cat <<_LT_EOF > conftest.$ac_ext
-/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
-#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
-/* DATA imports from DLLs on WIN32 can't be const, because runtime
-   relocations are performed -- see ld's documentation on pseudo-relocs.  */
-# define LT_DLSYM_CONST
-#elif defined __osf__
-/* This system does not cope well with relocations in const data.  */
-# define LT_DLSYM_CONST
-#else
-# define LT_DLSYM_CONST const
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-_LT_EOF
-	  # Now generate the symbol file.
-	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
-
-	  cat <<_LT_EOF >> conftest.$ac_ext
-
-/* The mapping between symbol names and symbols.  */
-LT_DLSYM_CONST struct {
-  const char *name;
-  void       *address;
-}
-lt__PROGRAM__LTX_preloaded_symbols =
-{
-  { "@PROGRAM@", (void *) 0 },
-_LT_EOF
-	  $SED "s/^$symcode$symcode* .* $.*$$/  {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
-	  cat <<\_LT_EOF >> conftest.$ac_ext
-  {0, (void *) 0}
-};
-
-/* This works around a problem in FreeBSD linker */
-#ifdef FREEBSD_WORKAROUND
-static const void *lt_preloaded_setup() {
-  return lt__PROGRAM__LTX_preloaded_symbols;
-}
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-_LT_EOF
-	  # Now try linking the two files.
-	  mv conftest.$ac_objext conftstm.$ac_objext
-	  lt_globsym_save_LIBS=$LIBS
-	  lt_globsym_save_CFLAGS=$CFLAGS
-	  LIBS=conftstm.$ac_objext
-	  CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
-	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s conftest$ac_exeext; then
-	    pipe_works=yes
-	  fi
-	  LIBS=$lt_globsym_save_LIBS
-	  CFLAGS=$lt_globsym_save_CFLAGS
-	else
-	  echo "cannot find nm_test_func in $nlist" >&5
-	fi
-      else
-	echo "cannot find nm_test_var in $nlist" >&5
-      fi
-    else
-      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
-    fi
-  else
-    echo "$progname: failed program was:" >&5
-    cat conftest.$ac_ext >&5
-  fi
-  rm -rf conftest* conftst*
-
-  # Do not use the global_symbol_pipe unless it works.
-  if test yes = "$pipe_works"; then
-    break
-  else
-    lt_cv_sys_global_symbol_pipe=
-  fi
-done
-
-fi
-
-if test -z "$lt_cv_sys_global_symbol_pipe"; then
-  lt_cv_sys_global_symbol_to_cdecl=
-fi
-if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5
-$as_echo "failed" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
-fi
-
-# Response file support.
-if test "$lt_cv_nm_interface" = "MS dumpbin"; then
-  nm_file_list_spec='@'
-elif $NM --help 2>/dev/null | grep '@FILE' >/dev/null; then
-  nm_file_list_spec='@'
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5
-$as_echo_n "checking for sysroot... " >&6; }
-
-# Check whether --with-sysroot was given.
-if test "${with_sysroot+set}" = set; then :
-  withval=$with_sysroot;
-else
-  with_sysroot=no
-fi
-
-
-lt_sysroot=
-case $with_sysroot in #(
- yes)
-   if test yes = "$GCC"; then
-     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
-   fi
-   ;; #(
- /*)
-   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
-   ;; #(
- no|'')
-   ;; #(
- *)
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5
-$as_echo "$with_sysroot" >&6; }
-   as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5
-   ;;
-esac
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5
-$as_echo "${lt_sysroot:-no}" >&6; }
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5
-$as_echo_n "checking for a working dd... " >&6; }
-if ${ac_cv_path_lt_DD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  printf 0123456789abcdef0123456789abcdef >conftest.i
-cat conftest.i conftest.i >conftest2.i
-: ${lt_DD:=$DD}
-if test -z "$lt_DD"; then
-  ac_path_lt_DD_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in dd; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_lt_DD" || continue
-if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
-  cmp -s conftest.i conftest.out \
-  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
-fi
-      $ac_path_lt_DD_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
-  if test -z "$ac_cv_path_lt_DD"; then
-    :
-  fi
-else
-  ac_cv_path_lt_DD=$lt_DD
-fi
-
-rm -f conftest.i conftest2.i conftest.out
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
-$as_echo "$ac_cv_path_lt_DD" >&6; }
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5
-$as_echo_n "checking how to truncate binary pipes... " >&6; }
-if ${lt_cv_truncate_bin+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  printf 0123456789abcdef0123456789abcdef >conftest.i
-cat conftest.i conftest.i >conftest2.i
-lt_cv_truncate_bin=
-if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
-  cmp -s conftest.i conftest.out \
-  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
-fi
-rm -f conftest.i conftest2.i conftest.out
-test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
-$as_echo "$lt_cv_truncate_bin" >&6; }
-
-
-
-
-
-
-
-# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
-func_cc_basename ()
-{
-    for cc_temp in $*""; do
-      case $cc_temp in
-        compile | *\\/compile | ccache | *\\/ccache ) ;;
-        distcc | *\\/distcc | purify | *\\/purify ) ;;
-        \-*) ;;
-        *) break;;
-      esac
-    done
-    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
-}
-
-# Check whether --enable-libtool-lock was given.
-if test "${enable_libtool_lock+set}" = set; then :
-  enableval=$enable_libtool_lock;
-fi
-
-test no = "$enable_libtool_lock" || enable_libtool_lock=yes
-
-# Some flags need to be propagated to the compiler or linker for good
-# libtool support.
-case $host in
-ia64-*-hpux*)
-  # Find out what ABI is being produced by ac_compile, and set mode
-  # options accordingly.
-  echo 'int i;' > conftest.$ac_ext
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then
-    case `/usr/bin/file conftest.$ac_objext` in
-      *ELF-32*)
-	HPUX_IA64_MODE=32
-	;;
-      *ELF-64*)
-	HPUX_IA64_MODE=64
-	;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-*-*-irix6*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then
-    if test yes = "$lt_cv_prog_gnu_ld"; then
-      case `/usr/bin/file conftest.$ac_objext` in
-	*32-bit*)
-	  LD="${LD-ld} -melf32bsmip"
-	  ;;
-	*N32*)
-	  LD="${LD-ld} -melf32bmipn32"
-	  ;;
-	*64-bit*)
-	  LD="${LD-ld} -melf64bmip"
-	;;
-      esac
-    else
-      case `/usr/bin/file conftest.$ac_objext` in
-	*32-bit*)
-	  LD="${LD-ld} -32"
-	  ;;
-	*N32*)
-	  LD="${LD-ld} -n32"
-	  ;;
-	*64-bit*)
-	  LD="${LD-ld} -64"
-	  ;;
-      esac
-    fi
-  fi
-  rm -rf conftest*
-  ;;
-
-mips64*-*linux*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then
-    emul=elf
-    case `/usr/bin/file conftest.$ac_objext` in
-      *32-bit*)
-	emul="${emul}32"
-	;;
-      *64-bit*)
-	emul="${emul}64"
-	;;
-    esac
-    case `/usr/bin/file conftest.$ac_objext` in
-      *MSB*)
-	emul="${emul}btsmip"
-	;;
-      *LSB*)
-	emul="${emul}ltsmip"
-	;;
-    esac
-    case `/usr/bin/file conftest.$ac_objext` in
-      *N32*)
-	emul="${emul}n32"
-	;;
-    esac
-    LD="${LD-ld} -m $emul"
-  fi
-  rm -rf conftest*
-  ;;
-
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
-s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.  Note that the listed cases only cover the
-  # situations where additional linker options are needed (such as when
-  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
-  # vice versa); the common cases where no linker options are needed do
-  # not appear in the list.
-  echo 'int i;' > conftest.$ac_ext
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then
-    case `/usr/bin/file conftest.o` in
-      *32-bit*)
-	case $host in
-	  x86_64-*kfreebsd*-gnu)
-	    LD="${LD-ld} -m elf_i386_fbsd"
-	    ;;
-	  x86_64-*linux*)
-	    case `/usr/bin/file conftest.o` in
-	      *x86-64*)
-		LD="${LD-ld} -m elf32_x86_64"
-		;;
-	      *)
-		LD="${LD-ld} -m elf_i386"
-		;;
-	    esac
-	    ;;
-	  powerpc64le-*linux*)
-	    LD="${LD-ld} -m elf32lppclinux"
-	    ;;
-	  powerpc64-*linux*)
-	    LD="${LD-ld} -m elf32ppclinux"
-	    ;;
-	  s390x-*linux*)
-	    LD="${LD-ld} -m elf_s390"
-	    ;;
-	  sparc64-*linux*)
-	    LD="${LD-ld} -m elf32_sparc"
-	    ;;
-	esac
-	;;
-      *64-bit*)
-	case $host in
-	  x86_64-*kfreebsd*-gnu)
-	    LD="${LD-ld} -m elf_x86_64_fbsd"
-	    ;;
-	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_x86_64"
-	    ;;
-	  powerpcle-*linux*)
-	    LD="${LD-ld} -m elf64lppc"
-	    ;;
-	  powerpc-*linux*)
-	    LD="${LD-ld} -m elf64ppc"
-	    ;;
-	  s390*-*linux*|s390*-*tpf*)
-	    LD="${LD-ld} -m elf64_s390"
-	    ;;
-	  sparc*-*linux*)
-	    LD="${LD-ld} -m elf64_sparc"
-	    ;;
-	esac
-	;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-
-*-*-sco3.2v5*)
-  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
-  SAVE_CFLAGS=$CFLAGS
-  CFLAGS="$CFLAGS -belf"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
-$as_echo_n "checking whether the C compiler needs -belf... " >&6; }
-if ${lt_cv_cc_needs_belf+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  lt_cv_cc_needs_belf=yes
-else
-  lt_cv_cc_needs_belf=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-     ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
-$as_echo "$lt_cv_cc_needs_belf" >&6; }
-  if test yes != "$lt_cv_cc_needs_belf"; then
-    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
-    CFLAGS=$SAVE_CFLAGS
-  fi
-  ;;
-*-*solaris*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo 'int i;' > conftest.$ac_ext
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then
-    case `/usr/bin/file conftest.o` in
-    *64-bit*)
-      case $lt_cv_prog_gnu_ld in
-      yes*)
-        case $host in
-        i?86-*-solaris*|x86_64-*-solaris*)
-          LD="${LD-ld} -m elf_x86_64"
-          ;;
-        sparc*-*-solaris*)
-          LD="${LD-ld} -m elf64_sparc"
-          ;;
-        esac
-        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
-        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
-          LD=${LD-ld}_sol2
-        fi
-        ;;
-      *)
-	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
-	  LD="${LD-ld} -64"
-	fi
-	;;
-      esac
-      ;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-esac
-
-need_locks=$enable_libtool_lock
-
-if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args.
-set dummy ${ac_tool_prefix}mt; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_MANIFEST_TOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$MANIFEST_TOOL"; then
-  ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
-if test -n "$MANIFEST_TOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5
-$as_echo "$MANIFEST_TOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_MANIFEST_TOOL"; then
-  ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL
-  # Extract the first word of "mt", so it can be a program name with args.
-set dummy mt; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_MANIFEST_TOOL"; then
-  ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_MANIFEST_TOOL="mt"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
-if test -n "$ac_ct_MANIFEST_TOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5
-$as_echo "$ac_ct_MANIFEST_TOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_MANIFEST_TOOL" = x; then
-    MANIFEST_TOOL=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL
-  fi
-else
-  MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL"
-fi
-
-test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5
-$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
-if ${lt_cv_path_mainfest_tool+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_path_mainfest_tool=no
-  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5
-  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
-  cat conftest.err >&5
-  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
-    lt_cv_path_mainfest_tool=yes
-  fi
-  rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
-$as_echo "$lt_cv_path_mainfest_tool" >&6; }
-if test yes != "$lt_cv_path_mainfest_tool"; then
-  MANIFEST_TOOL=:
-fi
-
-
-
-
-
-
-  case $host_os in
-    rhapsody* | darwin*)
-    if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
-set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DSYMUTIL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$DSYMUTIL"; then
-  ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-DSYMUTIL=$ac_cv_prog_DSYMUTIL
-if test -n "$DSYMUTIL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
-$as_echo "$DSYMUTIL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_DSYMUTIL"; then
-  ac_ct_DSYMUTIL=$DSYMUTIL
-  # Extract the first word of "dsymutil", so it can be a program name with args.
-set dummy dsymutil; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_DSYMUTIL"; then
-  ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
-if test -n "$ac_ct_DSYMUTIL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
-$as_echo "$ac_ct_DSYMUTIL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_DSYMUTIL" = x; then
-    DSYMUTIL=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    DSYMUTIL=$ac_ct_DSYMUTIL
-  fi
-else
-  DSYMUTIL="$ac_cv_prog_DSYMUTIL"
-fi
-
-    if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
-set dummy ${ac_tool_prefix}nmedit; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_NMEDIT+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$NMEDIT"; then
-  ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-NMEDIT=$ac_cv_prog_NMEDIT
-if test -n "$NMEDIT"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
-$as_echo "$NMEDIT" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_NMEDIT"; then
-  ac_ct_NMEDIT=$NMEDIT
-  # Extract the first word of "nmedit", so it can be a program name with args.
-set dummy nmedit; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_NMEDIT"; then
-  ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_NMEDIT="nmedit"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
-if test -n "$ac_ct_NMEDIT"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
-$as_echo "$ac_ct_NMEDIT" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_NMEDIT" = x; then
-    NMEDIT=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    NMEDIT=$ac_ct_NMEDIT
-  fi
-else
-  NMEDIT="$ac_cv_prog_NMEDIT"
-fi
-
-    if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args.
-set dummy ${ac_tool_prefix}lipo; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_LIPO+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$LIPO"; then
-  ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-LIPO=$ac_cv_prog_LIPO
-if test -n "$LIPO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
-$as_echo "$LIPO" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_LIPO"; then
-  ac_ct_LIPO=$LIPO
-  # Extract the first word of "lipo", so it can be a program name with args.
-set dummy lipo; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_LIPO+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_LIPO"; then
-  ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_LIPO="lipo"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
-if test -n "$ac_ct_LIPO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
-$as_echo "$ac_ct_LIPO" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_LIPO" = x; then
-    LIPO=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    LIPO=$ac_ct_LIPO
-  fi
-else
-  LIPO="$ac_cv_prog_LIPO"
-fi
-
-    if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args.
-set dummy ${ac_tool_prefix}otool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$OTOOL"; then
-  ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-OTOOL=$ac_cv_prog_OTOOL
-if test -n "$OTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
-$as_echo "$OTOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OTOOL"; then
-  ac_ct_OTOOL=$OTOOL
-  # Extract the first word of "otool", so it can be a program name with args.
-set dummy otool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_OTOOL"; then
-  ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_OTOOL="otool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
-if test -n "$ac_ct_OTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
-$as_echo "$ac_ct_OTOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_OTOOL" = x; then
-    OTOOL=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    OTOOL=$ac_ct_OTOOL
-  fi
-else
-  OTOOL="$ac_cv_prog_OTOOL"
-fi
-
-    if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args.
-set dummy ${ac_tool_prefix}otool64; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OTOOL64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$OTOOL64"; then
-  ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-OTOOL64=$ac_cv_prog_OTOOL64
-if test -n "$OTOOL64"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
-$as_echo "$OTOOL64" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OTOOL64"; then
-  ac_ct_OTOOL64=$OTOOL64
-  # Extract the first word of "otool64", so it can be a program name with args.
-set dummy otool64; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_OTOOL64"; then
-  ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_OTOOL64="otool64"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
-if test -n "$ac_ct_OTOOL64"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
-$as_echo "$ac_ct_OTOOL64" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_OTOOL64" = x; then
-    OTOOL64=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    OTOOL64=$ac_ct_OTOOL64
-  fi
-else
-  OTOOL64="$ac_cv_prog_OTOOL64"
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5
-$as_echo_n "checking for -single_module linker flag... " >&6; }
-if ${lt_cv_apple_cc_single_mod+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_apple_cc_single_mod=no
-      if test -z "$LT_MULTI_MODULE"; then
-	# By default we will add the -single_module flag. You can override
-	# by either setting the environment variable LT_MULTI_MODULE
-	# non-empty at configure time, or by adding -multi_module to the
-	# link flags.
-	rm -rf libconftest.dylib*
-	echo "int foo(void){return 1;}" > conftest.c
-	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
--dynamiclib -Wl,-single_module conftest.c" >&5
-	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
-	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
-        _lt_result=$?
-	# If there is a non-empty error log, and "single_module"
-	# appears in it, assume the flag caused a linker warning
-        if test -s conftest.err && $GREP single_module conftest.err; then
-	  cat conftest.err >&5
-	# Otherwise, if the output was created with a 0 exit code from
-	# the compiler, it worked.
-	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
-	  lt_cv_apple_cc_single_mod=yes
-	else
-	  cat conftest.err >&5
-	fi
-	rm -rf libconftest.dylib*
-	rm -f conftest.*
-      fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
-$as_echo "$lt_cv_apple_cc_single_mod" >&6; }
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
-$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
-if ${lt_cv_ld_exported_symbols_list+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_ld_exported_symbols_list=no
-      save_LDFLAGS=$LDFLAGS
-      echo "_main" > conftest.sym
-      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  lt_cv_ld_exported_symbols_list=yes
-else
-  lt_cv_ld_exported_symbols_list=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-	LDFLAGS=$save_LDFLAGS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
-$as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
-$as_echo_n "checking for -force_load linker flag... " >&6; }
-if ${lt_cv_ld_force_load+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_ld_force_load=no
-      cat > conftest.c << _LT_EOF
-int forced_loaded() { return 2;}
-_LT_EOF
-      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5
-      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5
-      echo "$AR cru libconftest.a conftest.o" >&5
-      $AR cru libconftest.a conftest.o 2>&5
-      echo "$RANLIB libconftest.a" >&5
-      $RANLIB libconftest.a 2>&5
-      cat > conftest.c << _LT_EOF
-int main() { return 0;}
-_LT_EOF
-      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5
-      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
-      _lt_result=$?
-      if test -s conftest.err && $GREP force_load conftest.err; then
-	cat conftest.err >&5
-      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
-	lt_cv_ld_force_load=yes
-      else
-	cat conftest.err >&5
-      fi
-        rm -f conftest.err libconftest.a conftest conftest.c
-        rm -rf conftest.dSYM
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
-$as_echo "$lt_cv_ld_force_load" >&6; }
-    case $host_os in
-    rhapsody* | darwin1.012)
-      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
-    darwin1.*)
-      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
-    darwin*) # darwin 5.x on
-      # if running on 10.5 or later, the deployment target defaults
-      # to the OS version, if on x86, and 10.4, the deployment
-      # target defaults to 10.4. Don't you love it?
-      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
-	10.0,*86*-darwin8*|10.0,*-darwin91*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-	10.012,.*)
-	  _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
-	10.*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-      esac
-    ;;
-  esac
-    if test yes = "$lt_cv_apple_cc_single_mod"; then
-      _lt_dar_single_mod='$single_module'
-    fi
-    if test yes = "$lt_cv_ld_exported_symbols_list"; then
-      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
-    else
-      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
-    fi
-    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
-      _lt_dsymutil='~$DSYMUTIL $lib || :'
-    else
-      _lt_dsymutil=
-    fi
-    ;;
-  esac
-
-# func_munge_path_list VARIABLE PATH
-# -----------------------------------
-# VARIABLE is name of variable containing _space_ separated list of
-# directories to be munged by the contents of PATH, which is string
-# having a format:
-# "DIR:DIR:"
-#       string "DIR DIR" will be prepended to VARIABLE
-# ":DIR:DIR"
-#       string "DIR DIR" will be appended to VARIABLE
-# "DIRP:DIRP::DIRA:DIRA"
-#       string "DIRP DIRP" will be prepended to VARIABLE and string
-#       "DIRA DIRA" will be appended to VARIABLE
-# "DIR:DIR"
-#       VARIABLE will be replaced by "DIR DIR"
-func_munge_path_list ()
-{
-    case x$2 in
-    x)
-        ;;
-    *:)
-        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
-        ;;
-    x:*)
-        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
-        ;;
-    *::*)
-        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
-        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
-        ;;
-    *)
-        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
-        ;;
-    esac
-}
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-for ac_header in dlfcn.h
-do :
-  ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
-"
-if test "x$ac_cv_header_dlfcn_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_DLFCN_H 1
-_ACEOF
-
-fi
-
-done
-
-
-
-
-func_stripname_cnf ()
-{
-  case $2 in
-  .*) func_stripname_result=`$ECHO "$3" | $SED "s%^$1%%; s%\\\\$2\$%%"`;;
-  *)  func_stripname_result=`$ECHO "$3" | $SED "s%^$1%%; s%$2\$%%"`;;
-  esac
-} # func_stripname_cnf
-
-
-
-
-
-# Set options
-enable_win32_dll=yes
-
-case $host in
-*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
-set dummy ${ac_tool_prefix}as; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AS+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$AS"; then
-  ac_cv_prog_AS="$AS" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_AS="${ac_tool_prefix}as"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-AS=$ac_cv_prog_AS
-if test -n "$AS"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AS" >&5
-$as_echo "$AS" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_AS"; then
-  ac_ct_AS=$AS
-  # Extract the first word of "as", so it can be a program name with args.
-set dummy as; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AS+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_AS"; then
-  ac_cv_prog_ac_ct_AS="$ac_ct_AS" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_AS="as"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_AS=$ac_cv_prog_ac_ct_AS
-if test -n "$ac_ct_AS"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AS" >&5
-$as_echo "$ac_ct_AS" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_AS" = x; then
-    AS="false"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    AS=$ac_ct_AS
-  fi
-else
-  AS="$ac_cv_prog_AS"
-fi
-
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
-set dummy ${ac_tool_prefix}dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DLLTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$DLLTOOL"; then
-  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-DLLTOOL=$ac_cv_prog_DLLTOOL
-if test -n "$DLLTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
-$as_echo "$DLLTOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_DLLTOOL"; then
-  ac_ct_DLLTOOL=$DLLTOOL
-  # Extract the first word of "dlltool", so it can be a program name with args.
-set dummy dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_DLLTOOL"; then
-  ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_DLLTOOL="dlltool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
-if test -n "$ac_ct_DLLTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
-$as_echo "$ac_ct_DLLTOOL" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_DLLTOOL" = x; then
-    DLLTOOL="false"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    DLLTOOL=$ac_ct_DLLTOOL
-  fi
-else
-  DLLTOOL="$ac_cv_prog_DLLTOOL"
-fi
-
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
-set dummy ${ac_tool_prefix}objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OBJDUMP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$OBJDUMP"; then
-  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-OBJDUMP=$ac_cv_prog_OBJDUMP
-if test -n "$OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OBJDUMP"; then
-  ac_ct_OBJDUMP=$OBJDUMP
-  # Extract the first word of "objdump", so it can be a program name with args.
-set dummy objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_OBJDUMP"; then
-  ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_OBJDUMP="objdump"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
-if test -n "$ac_ct_OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
-$as_echo "$ac_ct_OBJDUMP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_OBJDUMP" = x; then
-    OBJDUMP="false"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    OBJDUMP=$ac_ct_OBJDUMP
-  fi
-else
-  OBJDUMP="$ac_cv_prog_OBJDUMP"
-fi
-
-  ;;
-esac
-
-test -z "$AS" && AS=as
-
-
-
-
-
-test -z "$DLLTOOL" && DLLTOOL=dlltool
-
-
-
-
-
-test -z "$OBJDUMP" && OBJDUMP=objdump
-
-
-
-
-
-
-
-        enable_dlopen=no
-
-
-
-            # Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then :
-  enableval=$enable_shared; p=${PACKAGE-default}
-    case $enableval in
-    yes) enable_shared=yes ;;
-    no) enable_shared=no ;;
-    *)
-      enable_shared=no
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for pkg in $enableval; do
-	IFS=$lt_save_ifs
-	if test "X$pkg" = "X$p"; then
-	  enable_shared=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac
-else
-  enable_shared=yes
-fi
-
-
-
-
-
-
-
-
-
-  # Check whether --enable-static was given.
-if test "${enable_static+set}" = set; then :
-  enableval=$enable_static; p=${PACKAGE-default}
-    case $enableval in
-    yes) enable_static=yes ;;
-    no) enable_static=no ;;
-    *)
-     enable_static=no
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for pkg in $enableval; do
-	IFS=$lt_save_ifs
-	if test "X$pkg" = "X$p"; then
-	  enable_static=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac
-else
-  enable_static=yes
-fi
-
-
-
-
-
-
-
-
-
-
-# Check whether --with-pic was given.
-if test "${with_pic+set}" = set; then :
-  withval=$with_pic; lt_p=${PACKAGE-default}
-    case $withval in
-    yes|no) pic_mode=$withval ;;
-    *)
-      pic_mode=default
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for lt_pkg in $withval; do
-	IFS=$lt_save_ifs
-	if test "X$lt_pkg" = "X$lt_p"; then
-	  pic_mode=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac
-else
-  pic_mode=default
-fi
-
-
-
-
-
-
-
-
-  # Check whether --enable-fast-install was given.
-if test "${enable_fast_install+set}" = set; then :
-  enableval=$enable_fast_install; p=${PACKAGE-default}
-    case $enableval in
-    yes) enable_fast_install=yes ;;
-    no) enable_fast_install=no ;;
-    *)
-      enable_fast_install=no
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for pkg in $enableval; do
-	IFS=$lt_save_ifs
-	if test "X$pkg" = "X$p"; then
-	  enable_fast_install=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac
-else
-  enable_fast_install=yes
-fi
-
-
-
-
-
-
-
-
-  shared_archive_member_spec=
-case $host,$enable_shared in
-power*-*-aix5-9*,yes)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5
-$as_echo_n "checking which variant of shared library versioning to provide... " >&6; }
-
-# Check whether --with-aix-soname was given.
-if test "${with_aix_soname+set}" = set; then :
-  withval=$with_aix_soname; case $withval in
-    aix|svr4|both)
-      ;;
-    *)
-      as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5
-      ;;
-    esac
-    lt_cv_with_aix_soname=$with_aix_soname
-else
-  if ${lt_cv_with_aix_soname+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_with_aix_soname=aix
-fi
-
-    with_aix_soname=$lt_cv_with_aix_soname
-fi
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
-$as_echo "$with_aix_soname" >&6; }
-  if test aix != "$with_aix_soname"; then
-    # For the AIX way of multilib, we name the shared archive member
-    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
-    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
-    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
-    # the AIX toolchain works better with OBJECT_MODE set (default 32).
-    if test 64 = "${OBJECT_MODE-32}"; then
-      shared_archive_member_spec=shr_64
-    else
-      shared_archive_member_spec=shr
-    fi
-  fi
-  ;;
-*)
-  with_aix_soname=aix
-  ;;
-esac
-
-
-
-
-
-
-
-
-
-
-# This can be used to rebuild libtool when needed
-LIBTOOL_DEPS=$ltmain
-
-# Always use our own libtool.
-LIBTOOL='$(SHELL) $(top_builddir)/libtool'
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-test -z "$LN_S" && LN_S="ln -s"
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-if test -n "${ZSH_VERSION+set}"; then
-   setopt NO_GLOB_SUBST
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
-$as_echo_n "checking for objdir... " >&6; }
-if ${lt_cv_objdir+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  rm -f .libs 2>/dev/null
-mkdir .libs 2>/dev/null
-if test -d .libs; then
-  lt_cv_objdir=.libs
-else
-  # MS-DOS does not allow filenames that begin with a dot.
-  lt_cv_objdir=_libs
-fi
-rmdir .libs 2>/dev/null
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
-$as_echo "$lt_cv_objdir" >&6; }
-objdir=$lt_cv_objdir
-
-
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define LT_OBJDIR "$lt_cv_objdir/"
-_ACEOF
-
-
-
-
-case $host_os in
-aix3*)
-  # AIX sometimes has problems with the GCC collect2 program.  For some
-  # reason, if we set the COLLECT_NAMES environment variable, the problems
-  # vanish in a puff of smoke.
-  if test set != "${COLLECT_NAMES+set}"; then
-    COLLECT_NAMES=
-    export COLLECT_NAMES
-  fi
-  ;;
-esac
-
-# Global variables:
-ofile=libtool
-can_build_shared=yes
-
-# All known linkers require a '.a' archive for static linking (except MSVC,
-# which needs '.lib').
-libext=a
-
-with_gnu_ld=$lt_cv_prog_gnu_ld
-
-old_CC=$CC
-old_CFLAGS=$CFLAGS
-
-# Set sane defaults for various variables
-test -z "$CC" && CC=cc
-test -z "$LTCC" && LTCC=$CC
-test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
-test -z "$LD" && LD=ld
-test -z "$ac_objext" && ac_objext=o
-
-func_cc_basename $compiler
-cc_basename=$func_cc_basename_result
-
-
-# Only perform the check for file, if the check method requires it
-test -z "$MAGIC_CMD" && MAGIC_CMD=file
-case $deplibs_check_method in
-file_magic*)
-  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5
-$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; }
-if ${lt_cv_path_MAGIC_CMD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $MAGIC_CMD in
-\\/* |  ?:\\/*)
-  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
-  ;;
-*)
-  lt_save_MAGIC_CMD=$MAGIC_CMD
-  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
-  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
-  for ac_dir in $ac_dummy; do
-    IFS=$lt_save_ifs
-    test -z "$ac_dir" && ac_dir=.
-    if test -f "$ac_dir/${ac_tool_prefix}file"; then
-      lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file"
-      if test -n "$file_magic_test_file"; then
-	case $deplibs_check_method in
-	"file_magic "*)
-	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic $.*$"`
-	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
-	    $EGREP "$file_magic_regex" > /dev/null; then
-	    :
-	  else
-	    cat <<_LT_EOF 1>&2
-
-*** Warning: the command libtool uses to detect shared libraries,
-*** $file_magic_cmd, produces output that libtool cannot recognize.
-*** The result is that libtool may fail to recognize shared libraries
-*** as such.  This will affect the creation of libtool libraries that
-*** depend on shared libraries, but programs linked with such libtool
-*** libraries will work regardless of this problem.  Nevertheless, you
-*** may want to report the problem to your system manager and/or to
-*** bug-libtool@gnu.org
-
-_LT_EOF
-	  fi ;;
-	esac
-      fi
-      break
-    fi
-  done
-  IFS=$lt_save_ifs
-  MAGIC_CMD=$lt_save_MAGIC_CMD
-  ;;
-esac
-fi
-
-MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-if test -n "$MAGIC_CMD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
-$as_echo "$MAGIC_CMD" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
-
-
-if test -z "$lt_cv_path_MAGIC_CMD"; then
-  if test -n "$ac_tool_prefix"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5
-$as_echo_n "checking for file... " >&6; }
-if ${lt_cv_path_MAGIC_CMD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $MAGIC_CMD in
-\\/* |  ?:\\/*)
-  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
-  ;;
-*)
-  lt_save_MAGIC_CMD=$MAGIC_CMD
-  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
-  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
-  for ac_dir in $ac_dummy; do
-    IFS=$lt_save_ifs
-    test -z "$ac_dir" && ac_dir=.
-    if test -f "$ac_dir/file"; then
-      lt_cv_path_MAGIC_CMD=$ac_dir/"file"
-      if test -n "$file_magic_test_file"; then
-	case $deplibs_check_method in
-	"file_magic "*)
-	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic $.*$"`
-	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
-	    $EGREP "$file_magic_regex" > /dev/null; then
-	    :
-	  else
-	    cat <<_LT_EOF 1>&2
-
-*** Warning: the command libtool uses to detect shared libraries,
-*** $file_magic_cmd, produces output that libtool cannot recognize.
-*** The result is that libtool may fail to recognize shared libraries
-*** as such.  This will affect the creation of libtool libraries that
-*** depend on shared libraries, but programs linked with such libtool
-*** libraries will work regardless of this problem.  Nevertheless, you
-*** may want to report the problem to your system manager and/or to
-*** bug-libtool@gnu.org
-
-_LT_EOF
-	  fi ;;
-	esac
-      fi
-      break
-    fi
-  done
-  IFS=$lt_save_ifs
-  MAGIC_CMD=$lt_save_MAGIC_CMD
-  ;;
-esac
-fi
-
-MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-if test -n "$MAGIC_CMD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
-$as_echo "$MAGIC_CMD" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  else
-    MAGIC_CMD=:
-  fi
-fi
-
-  fi
-  ;;
-esac
-
-# Use C for the default configuration in the libtool script
-
-lt_save_CC=$CC
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-# Source file extension for C test sources.
-ac_ext=c
-
-# Object file extension for compiled C test sources.
-objext=o
-objext=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code="int some_variable = 0;"
-
-# Code to be used in simple link tests
-lt_simple_link_test_code='int main(){return(0);}'
-
-
-
-
-
-
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-
-# Save the default compiler, since it gets overwritten when the other
-# tags are being tested, and _LT_TAGVAR(compiler, ) is a NOP.
-compiler_DEFAULT=$CC
-
-# save warnings/boilerplate of simple test code
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_compile_test_code" >conftest.$ac_ext
-eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_compiler_boilerplate=`cat conftest.err`
-$RM conftest*
-
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_link_test_code" >conftest.$ac_ext
-eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_linker_boilerplate=`cat conftest.err`
-$RM -r conftest*
-
-
-## CAVEAT EMPTOR:
-## There is no encapsulation within the following macros, do not change
-## the running order or otherwise move them around unless you know exactly
-## what you are doing...
-if test -n "$compiler"; then
-
-lt_prog_compiler_no_builtin_flag=
-
-if test yes = "$GCC"; then
-  case $cc_basename in
-  nvcc*)
-    lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;;
-  *)
-    lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;;
-  esac
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
-$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
-if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_rtti_exceptions=no
-   ac_outfile=conftest.$ac_objext
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-   lt_compiler_flag="-fno-rtti -fno-exceptions"  ## exclude from sc_useless_quotes_in_assignment
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   # The option is referenced via a variable to avoid confusing sed.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
-   (eval "$lt_compile" 2>conftest.err)
-   ac_status=$?
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   if (exit $ac_status) && test -s "$ac_outfile"; then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings other than the usual output.
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
-     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
-       lt_cv_prog_compiler_rtti_exceptions=yes
-     fi
-   fi
-   $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
-$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then
-    lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
-else
-    :
-fi
-
-fi
-
-
-
-
-
-
-  lt_prog_compiler_wl=
-lt_prog_compiler_pic=
-lt_prog_compiler_static=
-
-
-  if test yes = "$GCC"; then
-    lt_prog_compiler_wl='-Wl,'
-    lt_prog_compiler_static='-static'
-
-    case $host_os in
-      aix*)
-      # All AIX code is PIC.
-      if test ia64 = "$host_cpu"; then
-	# AIX 5 now supports IA64 processor
-	lt_prog_compiler_static='-Bstatic'
-      fi
-      lt_prog_compiler_pic='-fPIC'
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            lt_prog_compiler_pic='-fPIC'
-        ;;
-      m68k)
-            # FIXME: we need at least 68020 code to build shared libraries, but
-            # adding the '-m68020' flag to GCC prevents building anything better,
-            # like '-m68040'.
-            lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
-        ;;
-      esac
-      ;;
-
-    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
-      # PIC is the default for these OSes.
-      ;;
-
-    mingw* | cygwin* | pw32* | os2* | cegcc*)
-      # This hack is so that the source file can tell whether it is being
-      # built for inclusion in a dll (and should export symbols for example).
-      # Although the cygwin gcc ignores -fPIC, still need this for old-style
-      # (--disable-auto-import) libraries
-      lt_prog_compiler_pic='-DDLL_EXPORT'
-      case $host_os in
-      os2*)
-	lt_prog_compiler_static='$wl-static'
-	;;
-      esac
-      ;;
-
-    darwin* | rhapsody*)
-      # PIC is the default on this platform
-      # Common symbols not allowed in MH_DYLIB files
-      lt_prog_compiler_pic='-fno-common'
-      ;;
-
-    haiku*)
-      # PIC is the default for Haiku.
-      # The "-static" flag exists, but is broken.
-      lt_prog_compiler_static=
-      ;;
-
-    hpux*)
-      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
-      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
-      # sets the default TLS model and affects inlining.
-      case $host_cpu in
-      hppa*64*)
-	# +Z the default
-	;;
-      *)
-	lt_prog_compiler_pic='-fPIC'
-	;;
-      esac
-      ;;
-
-    interix3-9*)
-      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
-      # Instead, we relocate shared libraries at runtime.
-      ;;
-
-    msdosdjgpp*)
-      # Just because we use GCC doesn't mean we suddenly get shared libraries
-      # on systems that don't support them.
-      lt_prog_compiler_can_build_shared=no
-      enable_shared=no
-      ;;
-
-    *nto* | *qnx*)
-      # QNX uses GNU C++, but need to define -shared option too, otherwise
-      # it will coredump.
-      lt_prog_compiler_pic='-fPIC -shared'
-      ;;
-
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	lt_prog_compiler_pic=-Kconform_pic
-      fi
-      ;;
-
-    *)
-      lt_prog_compiler_pic='-fPIC'
-      ;;
-    esac
-
-    case $cc_basename in
-    nvcc*) # Cuda Compiler Driver 2.2
-      lt_prog_compiler_wl='-Xlinker '
-      if test -n "$lt_prog_compiler_pic"; then
-        lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic"
-      fi
-      ;;
-    esac
-  else
-    # PORTME Check for flag to pass linker flags through the system compiler.
-    case $host_os in
-    aix*)
-      lt_prog_compiler_wl='-Wl,'
-      if test ia64 = "$host_cpu"; then
-	# AIX 5 now supports IA64 processor
-	lt_prog_compiler_static='-Bstatic'
-      else
-	lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp'
-      fi
-      ;;
-
-    darwin* | rhapsody*)
-      # PIC is the default on this platform
-      # Common symbols not allowed in MH_DYLIB files
-      lt_prog_compiler_pic='-fno-common'
-      case $cc_basename in
-      nagfor*)
-        # NAG Fortran compiler
-        lt_prog_compiler_wl='-Wl,-Wl,,'
-        lt_prog_compiler_pic='-PIC'
-        lt_prog_compiler_static='-Bstatic'
-        ;;
-      esac
-      ;;
-
-    mingw* | cygwin* | pw32* | os2* | cegcc*)
-      # This hack is so that the source file can tell whether it is being
-      # built for inclusion in a dll (and should export symbols for example).
-      lt_prog_compiler_pic='-DDLL_EXPORT'
-      case $host_os in
-      os2*)
-	lt_prog_compiler_static='$wl-static'
-	;;
-      esac
-      ;;
-
-    hpux9* | hpux10* | hpux11*)
-      lt_prog_compiler_wl='-Wl,'
-      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
-      # not for PA HP-UX.
-      case $host_cpu in
-      hppa*64*|ia64*)
-	# +Z the default
-	;;
-      *)
-	lt_prog_compiler_pic='+Z'
-	;;
-      esac
-      # Is there a better lt_prog_compiler_static that works with the bundled CC?
-      lt_prog_compiler_static='$wl-a ${wl}archive'
-      ;;
-
-    irix5* | irix6* | nonstopux*)
-      lt_prog_compiler_wl='-Wl,'
-      # PIC (with -KPIC) is the default.
-      lt_prog_compiler_static='-non_shared'
-      ;;
-
-    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-      case $cc_basename in
-      # old Intel for x86_64, which still supported -KPIC.
-      ecc*)
-	lt_prog_compiler_wl='-Wl,'
-	lt_prog_compiler_pic='-KPIC'
-	lt_prog_compiler_static='-static'
-        ;;
-      # icc used to be incompatible with GCC.
-      # ICC 10 doesn't accept -KPIC any more.
-      icc* | ifort*)
-	lt_prog_compiler_wl='-Wl,'
-	lt_prog_compiler_pic='-fPIC'
-	lt_prog_compiler_static='-static'
-        ;;
-      # Lahey Fortran 8.1.
-      lf95*)
-	lt_prog_compiler_wl='-Wl,'
-	lt_prog_compiler_pic='--shared'
-	lt_prog_compiler_static='--static'
-	;;
-      nagfor*)
-	# NAG Fortran compiler
-	lt_prog_compiler_wl='-Wl,-Wl,,'
-	lt_prog_compiler_pic='-PIC'
-	lt_prog_compiler_static='-Bstatic'
-	;;
-      tcc*)
-	# Fabrice Bellard et al's Tiny C Compiler
-	lt_prog_compiler_wl='-Wl,'
-	lt_prog_compiler_pic='-fPIC'
-	lt_prog_compiler_static='-static'
-	;;
-      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
-        # Portland Group compilers (*not* the Pentium gcc compiler,
-	# which looks to be a dead project)
-	lt_prog_compiler_wl='-Wl,'
-	lt_prog_compiler_pic='-fpic'
-	lt_prog_compiler_static='-Bstatic'
-        ;;
-      ccc*)
-        lt_prog_compiler_wl='-Wl,'
-        # All Alpha code is PIC.
-        lt_prog_compiler_static='-non_shared'
-        ;;
-      xl* | bgxl* | bgf* | mpixl*)
-	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
-	lt_prog_compiler_wl='-Wl,'
-	lt_prog_compiler_pic='-qpic'
-	lt_prog_compiler_static='-qstaticlink'
-	;;
-      *)
-	case `$CC -V 2>&1 | sed 5q` in
-	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ 1-7.* | *Sun*Fortran*\ 8.0-3*)
-	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
-	  lt_prog_compiler_pic='-KPIC'
-	  lt_prog_compiler_static='-Bstatic'
-	  lt_prog_compiler_wl=''
-	  ;;
-	*Sun\ F* | *Sun*Fortran*)
-	  lt_prog_compiler_pic='-KPIC'
-	  lt_prog_compiler_static='-Bstatic'
-	  lt_prog_compiler_wl='-Qoption ld '
-	  ;;
-	*Sun\ C*)
-	  # Sun C 5.9
-	  lt_prog_compiler_pic='-KPIC'
-	  lt_prog_compiler_static='-Bstatic'
-	  lt_prog_compiler_wl='-Wl,'
-	  ;;
-        *Intel*\ CF*Compiler*)
-	  lt_prog_compiler_wl='-Wl,'
-	  lt_prog_compiler_pic='-fPIC'
-	  lt_prog_compiler_static='-static'
-	  ;;
-	*Portland\ Group*)
-	  lt_prog_compiler_wl='-Wl,'
-	  lt_prog_compiler_pic='-fpic'
-	  lt_prog_compiler_static='-Bstatic'
-	  ;;
-	esac
-	;;
-      esac
-      ;;
-
-    newsos6)
-      lt_prog_compiler_pic='-KPIC'
-      lt_prog_compiler_static='-Bstatic'
-      ;;
-
-    *nto* | *qnx*)
-      # QNX uses GNU C++, but need to define -shared option too, otherwise
-      # it will coredump.
-      lt_prog_compiler_pic='-fPIC -shared'
-      ;;
-
-    osf3* | osf4* | osf5*)
-      lt_prog_compiler_wl='-Wl,'
-      # All OSF/1 code is PIC.
-      lt_prog_compiler_static='-non_shared'
-      ;;
-
-    rdos*)
-      lt_prog_compiler_static='-non_shared'
-      ;;
-
-    solaris*)
-      lt_prog_compiler_pic='-KPIC'
-      lt_prog_compiler_static='-Bstatic'
-      case $cc_basename in
-      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
-	lt_prog_compiler_wl='-Qoption ld ';;
-      *)
-	lt_prog_compiler_wl='-Wl,';;
-      esac
-      ;;
-
-    sunos4*)
-      lt_prog_compiler_wl='-Qoption ld '
-      lt_prog_compiler_pic='-PIC'
-      lt_prog_compiler_static='-Bstatic'
-      ;;
-
-    sysv4 | sysv4.2uw2* | sysv4.3*)
-      lt_prog_compiler_wl='-Wl,'
-      lt_prog_compiler_pic='-KPIC'
-      lt_prog_compiler_static='-Bstatic'
-      ;;
-
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	lt_prog_compiler_pic='-Kconform_pic'
-	lt_prog_compiler_static='-Bstatic'
-      fi
-      ;;
-
-    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
-      lt_prog_compiler_wl='-Wl,'
-      lt_prog_compiler_pic='-KPIC'
-      lt_prog_compiler_static='-Bstatic'
-      ;;
-
-    unicos*)
-      lt_prog_compiler_wl='-Wl,'
-      lt_prog_compiler_can_build_shared=no
-      ;;
-
-    uts4*)
-      lt_prog_compiler_pic='-pic'
-      lt_prog_compiler_static='-Bstatic'
-      ;;
-
-    *)
-      lt_prog_compiler_can_build_shared=no
-      ;;
-    esac
-  fi
-
-case $host_os in
-  # For platforms that do not support PIC, -DPIC is meaningless:
-  *djgpp*)
-    lt_prog_compiler_pic=
-    ;;
-  *)
-    lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
-    ;;
-esac
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
-$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
-if ${lt_cv_prog_compiler_pic+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_pic=$lt_prog_compiler_pic
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
-$as_echo "$lt_cv_prog_compiler_pic" >&6; }
-lt_prog_compiler_pic=$lt_cv_prog_compiler_pic
-
-#
-# Check to make sure the PIC flag actually works.
-#
-if test -n "$lt_prog_compiler_pic"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
-$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
-if ${lt_cv_prog_compiler_pic_works+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_pic_works=no
-   ac_outfile=conftest.$ac_objext
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-   lt_compiler_flag="$lt_prog_compiler_pic -DPIC"  ## exclude from sc_useless_quotes_in_assignment
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   # The option is referenced via a variable to avoid confusing sed.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
-   (eval "$lt_compile" 2>conftest.err)
-   ac_status=$?
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   if (exit $ac_status) && test -s "$ac_outfile"; then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings other than the usual output.
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
-     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
-       lt_cv_prog_compiler_pic_works=yes
-     fi
-   fi
-   $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
-$as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_pic_works"; then
-    case $lt_prog_compiler_pic in
-     "" | " "*) ;;
-     *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
-     esac
-else
-    lt_prog_compiler_pic=
-     lt_prog_compiler_can_build_shared=no
-fi
-
-fi
-
-
-
-
-
-
-
-
-
-
-
-#
-# Check to make sure the static flag actually works.
-#
-wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
-$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
-if ${lt_cv_prog_compiler_static_works+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_static_works=no
-   save_LDFLAGS=$LDFLAGS
-   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
-   echo "$lt_simple_link_test_code" > conftest.$ac_ext
-   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
-     # The linker can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     if test -s conftest.err; then
-       # Append any errors to the config.log.
-       cat conftest.err 1>&5
-       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
-       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-       if diff conftest.exp conftest.er2 >/dev/null; then
-         lt_cv_prog_compiler_static_works=yes
-       fi
-     else
-       lt_cv_prog_compiler_static_works=yes
-     fi
-   fi
-   $RM -r conftest*
-   LDFLAGS=$save_LDFLAGS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
-$as_echo "$lt_cv_prog_compiler_static_works" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_static_works"; then
-    :
-else
-    lt_prog_compiler_static=
-fi
-
-
-
-
-
-
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_c_o=no
-   $RM -r conftest 2>/dev/null
-   mkdir conftest
-   cd conftest
-   mkdir out
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-   lt_compiler_flag="-o out/conftest2.$ac_objext"
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
-   (eval "$lt_compile" 2>out/conftest.err)
-   ac_status=$?
-   cat out/conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   if (exit $ac_status) && test -s out/conftest2.$ac_objext
-   then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
-     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
-     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
-       lt_cv_prog_compiler_c_o=yes
-     fi
-   fi
-   chmod u+w . 2>&5
-   $RM conftest*
-   # SGI C++ compiler will create directory out/ii_files/ for
-   # template instantiation
-   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
-   $RM out/* && rmdir out
-   cd ..
-   $RM -r conftest
-   $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
-$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
-
-
-
-
-
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_c_o=no
-   $RM -r conftest 2>/dev/null
-   mkdir conftest
-   cd conftest
-   mkdir out
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-   lt_compiler_flag="-o out/conftest2.$ac_objext"
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
-   (eval "$lt_compile" 2>out/conftest.err)
-   ac_status=$?
-   cat out/conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   if (exit $ac_status) && test -s out/conftest2.$ac_objext
-   then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
-     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
-     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
-       lt_cv_prog_compiler_c_o=yes
-     fi
-   fi
-   chmod u+w . 2>&5
-   $RM conftest*
-   # SGI C++ compiler will create directory out/ii_files/ for
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-   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
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-
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
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-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
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-
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-
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-  compiler_needs_object=no
-  enable_shared_with_static_runtimes=no
-  export_dynamic_flag_spec=
-  export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
-  hardcode_automatic=no
-  hardcode_direct=no
-  hardcode_direct_absolute=no
-  hardcode_libdir_flag_spec=
-  hardcode_libdir_separator=
-  hardcode_minus_L=no
-  hardcode_shlibpath_var=unsupported
-  inherit_rpath=no
-  link_all_deplibs=unknown
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-  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
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-  # Exclude shared library initialization/finalization symbols.
-  extract_expsyms_cmds=
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-    # FIXME: the MSVC++ port hasn't been tested in a loooong time
-    # When not using gcc, we currently assume that we are using
-    # Microsoft Visual C++.
-    if test yes != "$GCC"; then
-      with_gnu_ld=no
-    fi
-    ;;
-  interix*)
-    # we just hope/assume this is gcc and not c89 (= MSVC++)
-    with_gnu_ld=yes
-    ;;
-  openbsd* | bitrig*)
-    with_gnu_ld=no
-    ;;
-  linux* | k*bsd*-gnu | gnu*)
-    link_all_deplibs=no
-    ;;
-  esac
-
-  ld_shlibs=yes
-
-  # On some targets, GNU ld is compatible enough with the native linker
-  # that we're better off using the native interface for both.
-  lt_use_gnu_ld_interface=no
-  if test yes = "$with_gnu_ld"; then
-    case $host_os in
-      aix*)
-	# The AIX port of GNU ld has always aspired to compatibility
-	# with the native linker.  However, as the warning in the GNU ld
-	# block says, versions before 2.19.5* couldn't really create working
-	# shared libraries, regardless of the interface used.
-	case `$LD -v 2>&1` in
-	  *\ $GNU\ Binutils$\ 2.19.5*) ;;
-	  *\ $GNU\ Binutils$\ 2.2-9*) ;;
-	  *\ $GNU\ Binutils$\ 3-9*) ;;
-	  *)
-	    lt_use_gnu_ld_interface=yes
-	    ;;
-	esac
-	;;
-      *)
-	lt_use_gnu_ld_interface=yes
-	;;
-    esac
-  fi
-
-  if test yes = "$lt_use_gnu_ld_interface"; then
-    # If archive_cmds runs LD, not CC, wlarc should be empty
-    wlarc='$wl'
-
-    # Set some defaults for GNU ld with shared library support. These
-    # are reset later if shared libraries are not supported. Putting them
-    # here allows them to be overridden if necessary.
-    runpath_var=LD_RUN_PATH
-    hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
-    export_dynamic_flag_spec='$wl--export-dynamic'
-    # ancient GNU ld didn't support --whole-archive et. al.
-    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
-      whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
-    else
-      whole_archive_flag_spec=
-    fi
-    supports_anon_versioning=no
-    case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in
-      *GNU\ gold*) supports_anon_versioning=yes ;;
-      *\ 01.* | *\ 2.0-9.* | *\ 2.10.*) ;; # catch versions < 2.11
-      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
-      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
-      *\ 2.11.*) ;; # other 2.11 versions
-      *) supports_anon_versioning=yes ;;
-    esac
-
-    # See if GNU ld supports shared libraries.
-    case $host_os in
-    aix3-9*)
-      # On AIX/PPC, the GNU linker is very broken
-      if test ia64 != "$host_cpu"; then
-	ld_shlibs=no
-	cat <<_LT_EOF 1>&2
-
-*** Warning: the GNU linker, at least up to release 2.19, is reported
-*** to be unable to reliably create shared libraries on AIX.
-*** Therefore, libtool is disabling shared libraries support.  If you
-*** really care for shared libraries, you may want to install binutils
-*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
-*** You will then need to restart the configuration process.
-
-_LT_EOF
-      fi
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-            archive_expsym_cmds=''
-        ;;
-      m68k)
-            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
-            hardcode_libdir_flag_spec='-L$libdir'
-            hardcode_minus_L=yes
-        ;;
-      esac
-      ;;
-
-    beos*)
-      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	allow_undefined_flag=unsupported
-	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
-	# support --undefined.  This deserves some investigation.  FIXME
-	archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-      else
-	ld_shlibs=no
-      fi
-      ;;
-
-    cygwin* | mingw* | pw32* | cegcc*)
-      # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
-      # as there is no search path for DLLs.
-      hardcode_libdir_flag_spec='-L$libdir'
-      export_dynamic_flag_spec='$wl--export-all-symbols'
-      allow_undefined_flag=unsupported
-      always_export_symbols=no
-      enable_shared_with_static_runtimes=yes
-      export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^BCDGRS /s/.* $^ *$/\1 DATA/;s/^.* __nm__$^ *$ ^ */\1 DATA/;/^I /d;/^AITW /s/.* //'\'' | sort | uniq > $export_symbols'
-      exclude_expsyms='_+GLOBAL_OFFSET_TABLE_|_+GLOBAL__FID_.*|_+head_A-Za-z0-9_+_dll|A-Za-z0-9_+_dll_iname'
-
-      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
-        archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-	# If the export-symbols file already is a .def file, use it as
-	# is; otherwise, prepend EXPORTS...
-	archive_expsym_cmds='if   test DEF = "`$SED -n     -e '\''s/^	 *//'\''     -e '\''/^$;.*$*$/d'\''     -e '\''s/^$EXPORTS\|LIBRARY$$	 .*$*$/DEF/p'\''     -e q     $export_symbols`" ; then
-          cp $export_symbols $output_objdir/$soname.def;
-        else
-          echo EXPORTS > $output_objdir/$soname.def;
-          cat $export_symbols >> $output_objdir/$soname.def;
-        fi~
-        $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-      else
-	ld_shlibs=no
-      fi
-      ;;
-
-    haiku*)
-      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-      link_all_deplibs=yes
-      ;;
-
-    os2*)
-      hardcode_libdir_flag_spec='-L$libdir'
-      hardcode_minus_L=yes
-      allow_undefined_flag=unsupported
-      shrext_cmds=.dll
-      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	prefix_cmds="$SED"~
-	if test EXPORTS = "`$SED 1q $export_symbols`"; then
-	  prefix_cmds="$prefix_cmds -e 1d";
-	fi~
-	prefix_cmds="$prefix_cmds -e \"s/^$.*$$/_\1/g\""~
-	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
-      enable_shared_with_static_runtimes=yes
-      ;;
-
-    interix3-9*)
-      hardcode_direct=no
-      hardcode_shlibpath_var=no
-      hardcode_libdir_flag_spec='$wl-rpath,$libdir'
-      export_dynamic_flag_spec='$wl-E'
-      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
-      # Instead, shared libraries are loaded at an image base (0x10000000 by
-      # default) and relocated if they conflict, which is a slow very memory
-      # consuming and fragmenting process.  To avoid this, we pick a random,
-      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
-      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
-      archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-      archive_expsym_cmds='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-      ;;
-
-    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
-      tmp_diet=no
-      if test linux-dietlibc = "$host_os"; then
-	case $cc_basename in
-	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
-	esac
-      fi
-      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
-	 && test no = "$tmp_diet"
-      then
-	tmp_addflag=' $pic_flag'
-	tmp_sharedflag='-shared'
-	case $cc_basename,$host_cpu in
-        pgcc*)				# Portland Group C compiler
-	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  tmp_addflag=' $pic_flag'
-	  ;;
-	pgf77* | pgf90* | pgf95* | pgfortran*)
-					# Portland Group f77 and f90 compilers
-	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  tmp_addflag=' $pic_flag -Mnomain' ;;
-	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
-	  tmp_addflag=' -i_dynamic' ;;
-	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
-	  tmp_addflag=' -i_dynamic -nofor_main' ;;
-	ifc* | ifort*)			# Intel Fortran compiler
-	  tmp_addflag=' -nofor_main' ;;
-	lf95*)				# Lahey Fortran 8.1
-	  whole_archive_flag_spec=
-	  tmp_sharedflag='--shared' ;;
-        nagfor*)                        # NAGFOR 5.3
-          tmp_sharedflag='-Wl,-shared' ;;
-	xlcC* | bgxlcC* | mpixlcC*) # IBM XL C 8.0 on PPC (deal with xlf below)
-	  tmp_sharedflag='-qmkshrobj'
-	  tmp_addflag= ;;
-	nvcc*)	# Cuda Compiler Driver 2.2
-	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  compiler_needs_object=yes
-	  ;;
-	esac
-	case `$CC -V 2>&1 | sed 5q` in
-	*Sun\ C*)			# Sun C 5.9
-	  whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  compiler_needs_object=yes
-	  tmp_sharedflag='-G' ;;
-	*Sun\ F*)			# Sun Fortran 8.3
-	  tmp_sharedflag='-G' ;;
-	esac
-	archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-
-        if test yes = "$supports_anon_versioning"; then
-          archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
-            cat $export_symbols | sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
-            echo "local: *; };" >> $output_objdir/$libname.ver~
-            $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
-        fi
-
-	case $cc_basename in
-	tcc*)
-	  export_dynamic_flag_spec='-rdynamic'
-	  ;;
-	xlf* | bgf* | bgxlf* | mpixlf*)
-	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
-	  whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
-	  hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
-	  archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
-	  if test yes = "$supports_anon_versioning"; then
-	    archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
-              cat $export_symbols | sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
-              echo "local: *; };" >> $output_objdir/$libname.ver~
-              $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
-	  fi
-	  ;;
-	esac
-      else
-        ld_shlibs=no
-      fi
-      ;;
-
-    netbsd* | netbsdelf*-gnu)
-      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
-	wlarc=
-      else
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-      fi
-      ;;
-
-    solaris*)
-      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
-	ld_shlibs=no
-	cat <<_LT_EOF 1>&2
-
-*** Warning: The releases 2.8.* of the GNU linker cannot reliably
-*** create shared libraries on Solaris systems.  Therefore, libtool
-*** is disabling shared libraries support.  We urge you to upgrade GNU
-*** binutils to release 2.9.1 or newer.  Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
-      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-      else
-	ld_shlibs=no
-      fi
-      ;;
-
-    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
-      case `$LD -v 2>&1` in
-        *\ 01.* | *\ 2.0-9.* | *\ 2.10-5.*)
-	ld_shlibs=no
-	cat <<_LT_EOF 1>&2
-
-*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
-*** reliably create shared libraries on SCO systems.  Therefore, libtool
-*** is disabling shared libraries support.  We urge you to upgrade GNU
-*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
-	;;
-	*)
-	  # For security reasons, it is highly recommended that you always
-	  # use absolute paths for naming shared libraries, and exclude the
-	  # DT_RUNPATH tag from executables and libraries.  But doing so
-	  # requires that you compile everything twice, which is a pain.
-	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	    hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
-	    archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	    archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-	  else
-	    ld_shlibs=no
-	  fi
-	;;
-      esac
-      ;;
-
-    sunos4*)
-      archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
-      wlarc=
-      hardcode_direct=yes
-      hardcode_shlibpath_var=no
-      ;;
-
-    *)
-      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-      else
-	ld_shlibs=no
-      fi
-      ;;
-    esac
-
-    if test no = "$ld_shlibs"; then
-      runpath_var=
-      hardcode_libdir_flag_spec=
-      export_dynamic_flag_spec=
-      whole_archive_flag_spec=
-    fi
-  else
-    # PORTME fill in a description of your system's linker (not GNU ld)
-    case $host_os in
-    aix3*)
-      allow_undefined_flag=unsupported
-      always_export_symbols=yes
-      archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
-      # Note: this linker hardcodes the directories in LIBPATH if there
-      # are no directories specified by -L.
-      hardcode_minus_L=yes
-      if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
-	# Neither direct hardcoding nor static linking is supported with a
-	# broken collect2.
-	hardcode_direct=unsupported
-      fi
-      ;;
-
-    aix4-9*)
-      if test ia64 = "$host_cpu"; then
-	# On IA64, the linker does run time linking by default, so we don't
-	# have to do anything special.
-	aix_use_runtimelinking=no
-	exp_sym_flag='-Bexport'
-	no_entry_flag=
-      else
-	# If we're using GNU nm, then we don't want the "-C" option.
-	# -C means demangle to GNU nm, but means don't demangle to AIX nm.
-	# Without the "-l" option, or with the "-B" option, AIX nm treats
-	# weak defined symbols like other global defined symbols, whereas
-	# GNU nm marks them as "W".
-	# While the 'weak' keyword is ignored in the Export File, we need
-	# it in the Import File for the 'aix-soname' feature, so we have
-	# to replace the "-B" option with "-P" for AIX nm.
-	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
-	  export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
-	else
-	  export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B$^B*$$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
-	fi
-	aix_use_runtimelinking=no
-
-	# Test if we are trying to use run time linking or normal
-	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
-	# have runtime linking enabled, and use it for executables.
-	# For shared libraries, we enable/disable runtime linking
-	# depending on the kind of the shared library created -
-	# when "with_aix_soname,aix_use_runtimelinking" is:
-	# "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
-	# "aix,yes"  lib.so          shared, rtl:yes, for executables
-	#            lib.a           static archive
-	# "both,no"  lib.so.V(shr.o) shared, rtl:yes
-	#            lib.a(lib.so.V) shared, rtl:no,  for executables
-	# "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
-	#            lib.a(lib.so.V) shared, rtl:no
-	# "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
-	#            lib.a           static archive
-	case $host_os in aix4.23|aix4.23.*|aix5-9*)
-	  for ld_flag in $LDFLAGS; do
-	  if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
-	    aix_use_runtimelinking=yes
-	    break
-	  fi
-	  done
-	  if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
-	    # With aix-soname=svr4, we create the lib.so.V shared archives only,
-	    # so we don't have lib.a shared libs to link our executables.
-	    # We have to force runtime linking in this case.
-	    aix_use_runtimelinking=yes
-	    LDFLAGS="$LDFLAGS -Wl,-brtl"
-	  fi
-	  ;;
-	esac
-
-	exp_sym_flag='-bexport'
-	no_entry_flag='-bnoentry'
-      fi
-
-      # When large executables or shared objects are built, AIX ld can
-      # have problems creating the table of contents.  If linking a library
-      # or program results in "error TOC overflow" add -mminimal-toc to
-      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
-      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
-      archive_cmds=''
-      hardcode_direct=yes
-      hardcode_direct_absolute=yes
-      hardcode_libdir_separator=':'
-      link_all_deplibs=yes
-      file_list_spec='$wl-f,'
-      case $with_aix_soname,$aix_use_runtimelinking in
-      aix,*) ;; # traditional, no import file
-      svr4,* | *,yes) # use import file
-	# The Import File defines what to hardcode.
-	hardcode_direct=no
-	hardcode_direct_absolute=no
-	;;
-      esac
-
-      if test yes = "$GCC"; then
-	case $host_os in aix4.012|aix4.012.*)
-	# We only want to do this on AIX 4.2 and lower, the check
-	# below for broken collect2 doesn't work under 4.3+
-	  collect2name=`$CC -print-prog-name=collect2`
-	  if test -f "$collect2name" &&
-	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
-	  then
-	  # We have reworked collect2
-	  :
-	  else
-	  # We have old collect2
-	  hardcode_direct=unsupported
-	  # It fails to find uninstalled libraries when the uninstalled
-	  # path is not listed in the libpath.  Setting hardcode_minus_L
-	  # to unsupported forces relinking
-	  hardcode_minus_L=yes
-	  hardcode_libdir_flag_spec='-L$libdir'
-	  hardcode_libdir_separator=
-	  fi
-	  ;;
-	esac
-	shared_flag='-shared'
-	if test yes = "$aix_use_runtimelinking"; then
-	  shared_flag="$shared_flag "'$wl-G'
-	fi
-	# Need to ensure runtime linking is disabled for the traditional
-	# shared library, or the linker may eventually find shared libraries
-	# /with/ Import File - we do not want to mix them.
-	shared_flag_aix='-shared'
-	shared_flag_svr4='-shared $wl-G'
-      else
-	# not using gcc
-	if test ia64 = "$host_cpu"; then
-	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
-	# chokes on -Wl,-G. The following line is correct:
-	  shared_flag='-G'
-	else
-	  if test yes = "$aix_use_runtimelinking"; then
-	    shared_flag='$wl-G'
-	  else
-	    shared_flag='$wl-bM:SRE'
-	  fi
-	  shared_flag_aix='$wl-bM:SRE'
-	  shared_flag_svr4='$wl-G'
-	fi
-      fi
-
-      export_dynamic_flag_spec='$wl-bexpall'
-      # It seems that -bexpall does not export symbols beginning with
-      # underscore (_), so it is better to generate a list of symbols to export.
-      always_export_symbols=yes
-      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
-	# Warning - without using the other runtime loading flags (-brtl),
-	# -berok will link without error, but may produce a broken library.
-	allow_undefined_flag='-berok'
-        # Determine the default libpath from the value encoded in an
-        # empty executable.
-        if test set = "${lt_cv_aix_libpath+set}"; then
-  aix_libpath=$lt_cv_aix_libpath
-else
-  if ${lt_cv_aix_libpath_+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-
-  lt_aix_libpath_sed='
-      /Import File Strings/,/^$/ {
-	  /^0/ {
-	      s/^0  *$^ *$ *$/\1/
-	      p
-	  }
-      }'
-  lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  # Check for a 64-bit object if we didn't find anything.
-  if test -z "$lt_cv_aix_libpath_"; then
-    lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  if test -z "$lt_cv_aix_libpath_"; then
-    lt_cv_aix_libpath_=/usr/lib:/lib
-  fi
-
-fi
-
-  aix_libpath=$lt_cv_aix_libpath_
-fi
-
-        hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
-        archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
-      else
-	if test ia64 = "$host_cpu"; then
-	  hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib'
-	  allow_undefined_flag="-z nodefs"
-	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
-	else
-	 # Determine the default libpath from the value encoded in an
-	 # empty executable.
-	 if test set = "${lt_cv_aix_libpath+set}"; then
-  aix_libpath=$lt_cv_aix_libpath
-else
-  if ${lt_cv_aix_libpath_+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-
-  lt_aix_libpath_sed='
-      /Import File Strings/,/^$/ {
-	  /^0/ {
-	      s/^0  *$^ *$ *$/\1/
-	      p
-	  }
-      }'
-  lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  # Check for a 64-bit object if we didn't find anything.
-  if test -z "$lt_cv_aix_libpath_"; then
-    lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  if test -z "$lt_cv_aix_libpath_"; then
-    lt_cv_aix_libpath_=/usr/lib:/lib
-  fi
-
-fi
-
-  aix_libpath=$lt_cv_aix_libpath_
-fi
-
-	 hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
-	  # Warning - without using the other run time loading flags,
-	  # -berok will link without error, but may produce a broken library.
-	  no_undefined_flag=' $wl-bernotok'
-	  allow_undefined_flag=' $wl-berok'
-	  if test yes = "$with_gnu_ld"; then
-	    # We only use this code for GNU lds that support --whole-archive.
-	    whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive'
-	  else
-	    # Exported symbols can be pulled into shared objects from archives
-	    whole_archive_flag_spec='$convenience'
-	  fi
-	  archive_cmds_need_lc=yes
-	  archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
-	  # -brtl affects multiple linker settings, -berok does not and is overridden later
-	  compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\$, \$%-berok\\1%g"`'
-	  if test svr4 != "$with_aix_soname"; then
-	    # This is similar to how AIX traditionally builds its shared libraries.
-	    archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
-	  fi
-	  if test aix != "$with_aix_soname"; then
-	    archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
-	  else
-	    # used by -dlpreopen to get the symbols
-	    archive_expsym_cmds="$archive_expsym_cmds"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
-	  fi
-	  archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d'
-	fi
-      fi
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-            archive_expsym_cmds=''
-        ;;
-      m68k)
-            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
-            hardcode_libdir_flag_spec='-L$libdir'
-            hardcode_minus_L=yes
-        ;;
-      esac
-      ;;
-
-    bsdi45*)
-      export_dynamic_flag_spec=-rdynamic
-      ;;
-
-    cygwin* | mingw* | pw32* | cegcc*)
-      # When not using gcc, we currently assume that we are using
-      # Microsoft Visual C++.
-      # hardcode_libdir_flag_spec is actually meaningless, as there is
-      # no search path for DLLs.
-      case $cc_basename in
-      cl*)
-	# Native MSVC
-	hardcode_libdir_flag_spec=' '
-	allow_undefined_flag=unsupported
-	always_export_symbols=yes
-	file_list_spec='@'
-	# Tell ltmain to make .lib files, not .a files.
-	libext=lib
-	# Tell ltmain to make .dll files, not .so files.
-	shrext_cmds=.dll
-	# FIXME: Setting linknames here is a bad hack.
-	archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
-	archive_expsym_cmds='if   test DEF = "`$SED -n     -e '\''s/^	 *//'\''     -e '\''/^$;.*$*$/d'\''     -e '\''s/^$EXPORTS\|LIBRARY$$	 .*$*$/DEF/p'\''     -e q     $export_symbols`" ; then
-            cp "$export_symbols" "$output_objdir/$soname.def";
-            echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
-          else
-            $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
-          fi~
-          $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
-          linknames='
-	# The linker will not automatically build a static lib if we build a DLL.
-	# _LT_TAGVAR(old_archive_from_new_cmds, )='true'
-	enable_shared_with_static_runtimes=yes
-	exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
-	export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^BCDGRS /s/.* $^ *$/\1,DATA/'\'' | $SED -e '\''/^AITW /s/.* //'\'' | sort | uniq > $export_symbols'
-	# Don't use ranlib
-	old_postinstall_cmds='chmod 644 $oldlib'
-	postlink_cmds='lt_outputfile="@OUTPUT@"~
-          lt_tool_outputfile="@TOOL_OUTPUT@"~
-          case $lt_outputfile in
-            *.exe|*.EXE) ;;
-            *)
-              lt_outputfile=$lt_outputfile.exe
-              lt_tool_outputfile=$lt_tool_outputfile.exe
-              ;;
-          esac~
-          if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
-            $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
-            $RM "$lt_outputfile.manifest";
-          fi'
-	;;
-      *)
-	# Assume MSVC wrapper
-	hardcode_libdir_flag_spec=' '
-	allow_undefined_flag=unsupported
-	# Tell ltmain to make .lib files, not .a files.
-	libext=lib
-	# Tell ltmain to make .dll files, not .so files.
-	shrext_cmds=.dll
-	# FIXME: Setting linknames here is a bad hack.
-	archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
-	# The linker will automatically build a .lib file if we build a DLL.
-	old_archive_from_new_cmds='true'
-	# FIXME: Should let the user specify the lib program.
-	old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
-	enable_shared_with_static_runtimes=yes
-	;;
-      esac
-      ;;
-
-    darwin* | rhapsody*)
-
-
-  archive_cmds_need_lc=no
-  hardcode_direct=no
-  hardcode_automatic=yes
-  hardcode_shlibpath_var=unsupported
-  if test yes = "$lt_cv_ld_force_load"; then
-    whole_archive_flag_spec='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
-
-  else
-    whole_archive_flag_spec=''
-  fi
-  link_all_deplibs=yes
-  allow_undefined_flag=$_lt_dar_allow_undefined
-  case $cc_basename in
-     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
-     *) _lt_dar_can_shared=$GCC ;;
-  esac
-  if test yes = "$_lt_dar_can_shared"; then
-    output_verbose_link_cmd=func_echo_all
-    archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
-    module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
-    archive_expsym_cmds="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
-    module_expsym_cmds="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
-
-  else
-  ld_shlibs=no
-  fi
-
-      ;;
-
-    dgux*)
-      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      hardcode_libdir_flag_spec='-L$libdir'
-      hardcode_shlibpath_var=no
-      ;;
-
-    # FreeBSD 2.2.012 allows us to include c++rt0.o to get C++ constructor
-    # support.  Future versions do this automatically, but an explicit c++rt0.o
-    # does not break anything, and helps significantly (at the cost of a little
-    # extra space).
-    freebsd2.2*)
-      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
-      hardcode_libdir_flag_spec='-R$libdir'
-      hardcode_direct=yes
-      hardcode_shlibpath_var=no
-      ;;
-
-    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
-    freebsd2.*)
-      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
-      hardcode_direct=yes
-      hardcode_minus_L=yes
-      hardcode_shlibpath_var=no
-      ;;
-
-    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
-    freebsd* | dragonfly*)
-      archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-      hardcode_libdir_flag_spec='-R$libdir'
-      hardcode_direct=yes
-      hardcode_shlibpath_var=no
-      ;;
-
-    hpux9*)
-      if test yes = "$GCC"; then
-	archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-      else
-	archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-      fi
-      hardcode_libdir_flag_spec='$wl+b $wl$libdir'
-      hardcode_libdir_separator=:
-      hardcode_direct=yes
-
-      # hardcode_minus_L: Not really in the search PATH,
-      # but as the default location of the library.
-      hardcode_minus_L=yes
-      export_dynamic_flag_spec='$wl-E'
-      ;;
-
-    hpux10*)
-      if test yes,no = "$GCC,$with_gnu_ld"; then
-	archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
-      fi
-      if test no = "$with_gnu_ld"; then
-	hardcode_libdir_flag_spec='$wl+b $wl$libdir'
-	hardcode_libdir_separator=:
-	hardcode_direct=yes
-	hardcode_direct_absolute=yes
-	export_dynamic_flag_spec='$wl-E'
-	# hardcode_minus_L: Not really in the search PATH,
-	# but as the default location of the library.
-	hardcode_minus_L=yes
-      fi
-      ;;
-
-    hpux11*)
-      if test yes,no = "$GCC,$with_gnu_ld"; then
-	case $host_cpu in
-	hppa*64*)
-	  archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	ia64*)
-	  archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	*)
-	  archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	esac
-      else
-	case $host_cpu in
-	hppa*64*)
-	  archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	ia64*)
-	  archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	*)
-
-	  # Older versions of the 11.00 compiler do not understand -b yet
-	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5
-$as_echo_n "checking if $CC understands -b... " >&6; }
-if ${lt_cv_prog_compiler__b+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler__b=no
-   save_LDFLAGS=$LDFLAGS
-   LDFLAGS="$LDFLAGS -b"
-   echo "$lt_simple_link_test_code" > conftest.$ac_ext
-   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
-     # The linker can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     if test -s conftest.err; then
-       # Append any errors to the config.log.
-       cat conftest.err 1>&5
-       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
-       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-       if diff conftest.exp conftest.er2 >/dev/null; then
-         lt_cv_prog_compiler__b=yes
-       fi
-     else
-       lt_cv_prog_compiler__b=yes
-     fi
-   fi
-   $RM -r conftest*
-   LDFLAGS=$save_LDFLAGS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
-$as_echo "$lt_cv_prog_compiler__b" >&6; }
-
-if test yes = "$lt_cv_prog_compiler__b"; then
-    archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
-else
-    archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
-fi
-
-	  ;;
-	esac
-      fi
-      if test no = "$with_gnu_ld"; then
-	hardcode_libdir_flag_spec='$wl+b $wl$libdir'
-	hardcode_libdir_separator=:
-
-	case $host_cpu in
-	hppa*64*|ia64*)
-	  hardcode_direct=no
-	  hardcode_shlibpath_var=no
-	  ;;
-	*)
-	  hardcode_direct=yes
-	  hardcode_direct_absolute=yes
-	  export_dynamic_flag_spec='$wl-E'
-
-	  # hardcode_minus_L: Not really in the search PATH,
-	  # but as the default location of the library.
-	  hardcode_minus_L=yes
-	  ;;
-	esac
-      fi
-      ;;
-
-    irix5* | irix6* | nonstopux*)
-      if test yes = "$GCC"; then
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-	# Try to use the -exported_symbol ld option, if it does not
-	# work, assume that -exports_file does not work either and
-	# implicitly export all symbols.
-	# This should be the same for all languages, so no per-tag cache variable.
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5
-$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; }
-if ${lt_cv_irix_exported_symbol+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  save_LDFLAGS=$LDFLAGS
-	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
-	   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-int foo (void) { return 0; }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  lt_cv_irix_exported_symbol=yes
-else
-  lt_cv_irix_exported_symbol=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-           LDFLAGS=$save_LDFLAGS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
-$as_echo "$lt_cv_irix_exported_symbol" >&6; }
-	if test yes = "$lt_cv_irix_exported_symbol"; then
-          archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
-	fi
-	link_all_deplibs=no
-      else
-	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
-      fi
-      archive_cmds_need_lc='no'
-      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
-      hardcode_libdir_separator=:
-      inherit_rpath=yes
-      link_all_deplibs=yes
-      ;;
-
-    linux*)
-      case $cc_basename in
-      tcc*)
-	# Fabrice Bellard et al's Tiny C Compiler
-	ld_shlibs=yes
-	archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	;;
-      esac
-      ;;
-
-    netbsd* | netbsdelf*-gnu)
-      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
-      else
-	archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
-      fi
-      hardcode_libdir_flag_spec='-R$libdir'
-      hardcode_direct=yes
-      hardcode_shlibpath_var=no
-      ;;
-
-    newsos6)
-      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      hardcode_direct=yes
-      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
-      hardcode_libdir_separator=:
-      hardcode_shlibpath_var=no
-      ;;
-
-    *nto* | *qnx*)
-      ;;
-
-    openbsd* | bitrig*)
-      if test -f /usr/libexec/ld.so; then
-	hardcode_direct=yes
-	hardcode_shlibpath_var=no
-	hardcode_direct_absolute=yes
-	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
-	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	  archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
-	  hardcode_libdir_flag_spec='$wl-rpath,$libdir'
-	  export_dynamic_flag_spec='$wl-E'
-	else
-	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	  hardcode_libdir_flag_spec='$wl-rpath,$libdir'
-	fi
-      else
-	ld_shlibs=no
-      fi
-      ;;
-
-    os2*)
-      hardcode_libdir_flag_spec='-L$libdir'
-      hardcode_minus_L=yes
-      allow_undefined_flag=unsupported
-      shrext_cmds=.dll
-      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	prefix_cmds="$SED"~
-	if test EXPORTS = "`$SED 1q $export_symbols`"; then
-	  prefix_cmds="$prefix_cmds -e 1d";
-	fi~
-	prefix_cmds="$prefix_cmds -e \"s/^$.*$$/_\1/g\""~
-	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
-      enable_shared_with_static_runtimes=yes
-      ;;
-
-    osf3*)
-      if test yes = "$GCC"; then
-	allow_undefined_flag=' $wl-expect_unresolved $wl\*'
-	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-      else
-	allow_undefined_flag=' -expect_unresolved \*'
-	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-      fi
-      archive_cmds_need_lc='no'
-      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
-      hardcode_libdir_separator=:
-      ;;
-
-    osf4* | osf5*)	# as osf3* with the addition of -msym flag
-      if test yes = "$GCC"; then
-	allow_undefined_flag=' $wl-expect_unresolved $wl\*'
-	archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-	hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
-      else
-	allow_undefined_flag=' -expect_unresolved \*'
-	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
-          $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
-
-	# Both c and cxx compiler support -rpath directly
-	hardcode_libdir_flag_spec='-rpath $libdir'
-      fi
-      archive_cmds_need_lc='no'
-      hardcode_libdir_separator=:
-      ;;
-
-    solaris*)
-      no_undefined_flag=' -z defs'
-      if test yes = "$GCC"; then
-	wlarc='$wl'
-	archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-          $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
-      else
-	case `$CC -V 2>&1` in
-	*"Compilers 5.0"*)
-	  wlarc=''
-	  archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-            $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
-	  ;;
-	*)
-	  wlarc='$wl'
-	  archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
-	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-            $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
-	  ;;
-	esac
-      fi
-      hardcode_libdir_flag_spec='-R$libdir'
-      hardcode_shlibpath_var=no
-      case $host_os in
-      solaris2.0-5 | solaris2.0-5.*) ;;
-      *)
-	# The compiler driver will combine and reorder linker options,
-	# but understands '-z linker_flag'.  GCC discards it without '$wl',
-	# but is careful enough not to reorder.
-	# Supported since Solaris 2.6 (maybe 2.5.1?)
-	if test yes = "$GCC"; then
-	  whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
-	else
-	  whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
-	fi
-	;;
-      esac
-      link_all_deplibs=yes
-      ;;
-
-    sunos4*)
-      if test sequent = "$host_vendor"; then
-	# Use $CC to link under sequent, because it throws in some extra .o
-	# files that make .init and .fini sections work.
-	archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
-      fi
-      hardcode_libdir_flag_spec='-L$libdir'
-      hardcode_direct=yes
-      hardcode_minus_L=yes
-      hardcode_shlibpath_var=no
-      ;;
-
-    sysv4)
-      case $host_vendor in
-	sni)
-	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	  hardcode_direct=yes # is this really true???
-	;;
-	siemens)
-	  ## LD is ld it makes a PLAMLIB
-	  ## CC just makes a GrossModule.
-	  archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
-	  reload_cmds='$CC -r -o $output$reload_objs'
-	  hardcode_direct=no
-        ;;
-	motorola)
-	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	  hardcode_direct=no #Motorola manual says yes, but my tests say they lie
-	;;
-      esac
-      runpath_var='LD_RUN_PATH'
-      hardcode_shlibpath_var=no
-      ;;
-
-    sysv4.3*)
-      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      hardcode_shlibpath_var=no
-      export_dynamic_flag_spec='-Bexport'
-      ;;
-
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	hardcode_shlibpath_var=no
-	runpath_var=LD_RUN_PATH
-	hardcode_runpath_var=yes
-	ld_shlibs=yes
-      fi
-      ;;
-
-    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.01.10* | unixware7* | sco3.2v5.0.024*)
-      no_undefined_flag='$wl-z,text'
-      archive_cmds_need_lc=no
-      hardcode_shlibpath_var=no
-      runpath_var='LD_RUN_PATH'
-
-      if test yes = "$GCC"; then
-	archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      fi
-      ;;
-
-    sysv5* | sco3.2v5* | sco5v6*)
-      # Note: We CANNOT use -z defs as we might desire, because we do not
-      # link with -lc, and that would cause any symbols used from libc to
-      # always be unresolved, which means just about no library would
-      # ever link correctly.  If we're not using GNU ld we use -z text
-      # though, which does catch some bad symbols but isn't as heavy-handed
-      # as -z defs.
-      no_undefined_flag='$wl-z,text'
-      allow_undefined_flag='$wl-z,nodefs'
-      archive_cmds_need_lc=no
-      hardcode_shlibpath_var=no
-      hardcode_libdir_flag_spec='$wl-R,$libdir'
-      hardcode_libdir_separator=':'
-      link_all_deplibs=yes
-      export_dynamic_flag_spec='$wl-Bexport'
-      runpath_var='LD_RUN_PATH'
-
-      if test yes = "$GCC"; then
-	archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      fi
-      ;;
-
-    uts4*)
-      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      hardcode_libdir_flag_spec='-L$libdir'
-      hardcode_shlibpath_var=no
-      ;;
-
-    *)
-      ld_shlibs=no
-      ;;
-    esac
-
-    if test sni = "$host_vendor"; then
-      case $host in
-      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
-	export_dynamic_flag_spec='$wl-Blargedynsym'
-	;;
-      esac
-    fi
-  fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
-$as_echo "$ld_shlibs" >&6; }
-test no = "$ld_shlibs" && can_build_shared=no
-
-with_gnu_ld=$with_gnu_ld
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-#
-# Do we need to explicitly link libc?
-#
-case "x$archive_cmds_need_lc" in
-x|xyes)
-  # Assume -lc should be added
-  archive_cmds_need_lc=yes
-
-  if test yes,yes = "$GCC,$enable_shared"; then
-    case $archive_cmds in
-    *'~'*)
-      # FIXME: we may have to deal with multi-command sequences.
-      ;;
-    '$CC '*)
-      # Test whether the compiler implicitly links with -lc since on some
-      # systems, -lgcc has to come before -lc. If gcc already passes -lc
-      # to ld, don't add -lc before -lgcc.
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
-$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
-if ${lt_cv_archive_cmds_need_lc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  $RM conftest*
-	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } 2>conftest.err; then
-	  soname=conftest
-	  lib=conftest
-	  libobjs=conftest.$ac_objext
-	  deplibs=
-	  wl=$lt_prog_compiler_wl
-	  pic_flag=$lt_prog_compiler_pic
-	  compiler_flags=-v
-	  linker_flags=-v
-	  verstring=
-	  output_objdir=.
-	  libname=conftest
-	  lt_save_allow_undefined_flag=$allow_undefined_flag
-	  allow_undefined_flag=
-	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
-  (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-	  then
-	    lt_cv_archive_cmds_need_lc=no
-	  else
-	    lt_cv_archive_cmds_need_lc=yes
-	  fi
-	  allow_undefined_flag=$lt_save_allow_undefined_flag
-	else
-	  cat conftest.err 1>&5
-	fi
-	$RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
-$as_echo "$lt_cv_archive_cmds_need_lc" >&6; }
-      archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc
-      ;;
-    esac
-  fi
-  ;;
-esac
-
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
-$as_echo_n "checking dynamic linker characteristics... " >&6; }
-
-if test yes = "$GCC"; then
-  case $host_os in
-    darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
-    *) lt_awk_arg='/^libraries:/' ;;
-  esac
-  case $host_os in
-    mingw* | cegcc*) lt_sed_strip_eq='s|=$A-Za-z:$|\1|g' ;;
-    *) lt_sed_strip_eq='s|=/|/|g' ;;
-  esac
-  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
-  case $lt_search_path_spec in
-  *\;*)
-    # if the path contains ";" then we assume it to be the separator
-    # otherwise default to the standard path separator (i.e. ":") - it is
-    # assumed that no part of a normal pathname contains ";" but that should
-    # okay in the real world where ";" in dirpaths is itself problematic.
-    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
-    ;;
-  *)
-    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
-    ;;
-  esac
-  # Ok, now we have the path, separated by spaces, we can step through it
-  # and add multilib dir if necessary...
-  lt_tmp_lt_search_path_spec=
-  lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
-  # ...but if some path component already ends with the multilib dir we assume
-  # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
-  case "$lt_multi_os_dir; $lt_search_path_spec " in
-  "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
-    lt_multi_os_dir=
-    ;;
-  esac
-  for lt_sys_path in $lt_search_path_spec; do
-    if test -d "$lt_sys_path$lt_multi_os_dir"; then
-      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
-    elif test -n "$lt_multi_os_dir"; then
-      test -d "$lt_sys_path" && \
-	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
-    fi
-  done
-  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
-BEGIN {RS = " "; FS = "/|\n";} {
-  lt_foo = "";
-  lt_count = 0;
-  for (lt_i = NF; lt_i > 0; lt_i--) {
-    if ($lt_i != "" && $lt_i != ".") {
-      if ($lt_i == "..") {
-        lt_count++;
-      } else {
-        if (lt_count == 0) {
-          lt_foo = "/" $lt_i lt_foo;
-        } else {
-          lt_count--;
-        }
-      }
-    }
-  }
-  if (lt_foo != "") { lt_freqlt_foo++; }
-  if (lt_freqlt_foo == 1) { print lt_foo; }
-}'`
-  # AWK program above erroneously prepends '/' to C:/dos/paths
-  # for these hosts.
-  case $host_os in
-    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
-      $SED 's|/$A-Za-z:$|\1|g'` ;;
-  esac
-  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
-else
-  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-fi
-library_names_spec=
-libname_spec='lib$name'
-soname_spec=
-shrext_cmds=.so
-postinstall_cmds=
-postuninstall_cmds=
-finish_cmds=
-finish_eval=
-shlibpath_var=
-shlibpath_overrides_runpath=unknown
-version_type=none
-dynamic_linker="$host_os ld.so"
-sys_lib_dlsearch_path_spec="/lib /usr/lib"
-need_lib_prefix=unknown
-hardcode_into_libs=no
-
-# when you set need_version to no, make sure it does not cause -set_version
-# flags to be left without arguments
-need_version=unknown
-
-
-
-case $host_os in
-aix3*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
-  shlibpath_var=LIBPATH
-
-  # AIX 3 has no versioning support, so we append a major version to the name.
-  soname_spec='$libname$release$shared_ext$major'
-  ;;
-
-aix4-9*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  hardcode_into_libs=yes
-  if test ia64 = "$host_cpu"; then
-    # AIX 5 supports IA64
-    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
-    shlibpath_var=LD_LIBRARY_PATH
-  else
-    # With GCC up to 2.95.x, collect2 would create an import file
-    # for dependence libraries.  The import file would start with
-    # the line '#! .'.  This would cause the generated library to
-    # depend on '.', always an invalid library.  This was fixed in
-    # development snapshots of GCC prior to 3.0.
-    case $host_os in
-      aix4 | aix4.01 | aix4.01.*)
-      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
-	   echo ' yes '
-	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
-	:
-      else
-	can_build_shared=no
-      fi
-      ;;
-    esac
-    # Using Import Files as archive members, it is possible to support
-    # filename-based versioning of shared library archives on AIX. While
-    # this would work for both with and without runtime linking, it will
-    # prevent static linking of such archives. So we do filename-based
-    # shared library versioning with .so extension only, which is used
-    # when both runtime linking and shared linking is enabled.
-    # Unfortunately, runtime linking may impact performance, so we do
-    # not want this to be the default eventually. Also, we use the
-    # versioned .so libs for executables only if there is the -brtl
-    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
-    # To allow for filename-based versioning support, we need to create
-    # libNAME.so.V as an archive file, containing:
-    # *) an Import File, referring to the versioned filename of the
-    #    archive as well as the shared archive member, telling the
-    #    bitwidth (32 or 64) of that shared object, and providing the
-    #    list of exported symbols of that shared object, eventually
-    #    decorated with the 'weak' keyword
-    # *) the shared object with the F_LOADONLY flag set, to really avoid
-    #    it being seen by the linker.
-    # At run time we better use the real file rather than another symlink,
-    # but for link time we create the symlink libNAME.so -> libNAME.so.V
-
-    case $with_aix_soname,$aix_use_runtimelinking in
-    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
-    # soname into executable. Probably we can add versioning support to
-    # collect2, so additional links can be useful in future.
-    aix,yes) # traditional libtool
-      dynamic_linker='AIX unversionable lib.so'
-      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
-      # instead of lib<name>.a to let people know that these are not
-      # typical AIX shared libraries.
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-      ;;
-    aix,no) # traditional AIX only
-      dynamic_linker='AIX lib.a(lib.so.V)'
-      # We preserve .a as extension for shared libraries through AIX4.2
-      # and later when we are not doing run time linking.
-      library_names_spec='$libname$release.a $libname.a'
-      soname_spec='$libname$release$shared_ext$major'
-      ;;
-    svr4,*) # full svr4 only
-      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
-      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
-      # We do not specify a path in Import Files, so LIBPATH fires.
-      shlibpath_overrides_runpath=yes
-      ;;
-    *,yes) # both, prefer svr4
-      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
-      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
-      # unpreferred sharedlib libNAME.a needs extra handling
-      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
-      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
-      # We do not specify a path in Import Files, so LIBPATH fires.
-      shlibpath_overrides_runpath=yes
-      ;;
-    *,no) # both, prefer aix
-      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
-      library_names_spec='$libname$release.a $libname.a'
-      soname_spec='$libname$release$shared_ext$major'
-      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
-      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
-      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
-      ;;
-    esac
-    shlibpath_var=LIBPATH
-  fi
-  ;;
-
-amigaos*)
-  case $host_cpu in
-  powerpc)
-    # Since July 2007 AmigaOS4 officially supports .so libraries.
-    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    ;;
-  m68k)
-    library_names_spec='$libname.ixlibrary $libname.a'
-    # Create ${libname}_ixlibrary.a entries in /sys/libs.
-    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/$^/*$\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
-    ;;
-  esac
-  ;;
-
-beos*)
-  library_names_spec='$libname$shared_ext'
-  dynamic_linker="$host_os ld.so"
-  shlibpath_var=LIBRARY_PATH
-  ;;
-
-bsdi45*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
-  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
-  # the default ld.so.conf also contains /usr/contrib/lib and
-  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
-  # libtool to hard-code these into programs
-  ;;
-
-cygwin* | mingw* | pw32* | cegcc*)
-  version_type=windows
-  shrext_cmds=.dll
-  need_version=no
-  need_lib_prefix=no
-
-  case $GCC,$cc_basename in
-  yes,*)
-    # gcc
-    library_names_spec='$libname.dll.a'
-    # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \$file`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
-      dldir=$destdir/`dirname \$dlpath`~
-      test -d \$dldir || mkdir -p \$dldir~
-      $install_prog $dir/$dlname \$dldir/$dlname~
-      chmod a+x \$dldir/$dlname~
-      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
-        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
-      fi'
-    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
-      dlpath=$dir/\$dldll~
-       $RM \$dlpath'
-    shlibpath_overrides_runpath=yes
-
-    case $host_os in
-    cygwin*)
-      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
-      soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-
-      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"
-      ;;
-    mingw* | cegcc*)
-      # MinGW DLLs use traditional 'lib' prefix
-      soname_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-      ;;
-    pw32*)
-      # pw32 DLLs use 'pw' prefix rather than 'lib'
-      library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-      ;;
-    esac
-    dynamic_linker='Win32 ld.exe'
-    ;;
-
-  *,cl*)
-    # Native MSVC
-    libname_spec='$name'
-    soname_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-    library_names_spec='$libname.dll.lib'
-
-    case $build_os in
-    mingw*)
-      sys_lib_search_path_spec=
-      lt_save_ifs=$IFS
-      IFS=';'
-      for lt_path in $LIB
-      do
-        IFS=$lt_save_ifs
-        # Let DOS variable expansion print the short 8.3 style file name.
-        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
-        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
-      done
-      IFS=$lt_save_ifs
-      # Convert to MSYS style.
-      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \$a-zA-Z\$:| /\\1|g' -e 's|^ ||'`
-      ;;
-    cygwin*)
-      # Convert to unix form, then to dos form, then back to unix form
-      # but this time dos style (no spaces!) so that the unix form looks
-      # like /cygdrive/c/PROGRA~1:/cygdr...
-      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
-      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
-      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
-      ;;
-    *)
-      sys_lib_search_path_spec=$LIB
-      if $ECHO "$sys_lib_search_path_spec" | $GREP ';c-zC-Z:/' >/dev/null; then
-        # It is most probably a Windows format PATH.
-        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
-      else
-        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
-      fi
-      # FIXME: find the short name or the path components, as spaces are
-      # common. (e.g. "Program Files" -> "PROGRA~1")
-      ;;
-    esac
-
-    # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \$file`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
-      dldir=$destdir/`dirname \$dlpath`~
-      test -d \$dldir || mkdir -p \$dldir~
-      $install_prog $dir/$dlname \$dldir/$dlname'
-    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
-      dlpath=$dir/\$dldll~
-       $RM \$dlpath'
-    shlibpath_overrides_runpath=yes
-    dynamic_linker='Win32 link.exe'
-    ;;
-
-  *)
-    # Assume MSVC wrapper
-    library_names_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext $libname.lib'
-    dynamic_linker='Win32 ld.exe'
-    ;;
-  esac
-  # FIXME: first we should search . and the directory the executable is in
-  shlibpath_var=PATH
-  ;;
-
-darwin* | rhapsody*)
-  dynamic_linker="$host_os dyld"
-  version_type=darwin
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
-  soname_spec='$libname$release$major$shared_ext'
-  shlibpath_overrides_runpath=yes
-  shlibpath_var=DYLD_LIBRARY_PATH
-  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
-
-  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
-  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
-  ;;
-
-dgux*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  ;;
-
-freebsd* | dragonfly*)
-  # DragonFly does not have aout.  When/if they implement a new
-  # versioning mechanism, adjust this.
-  if test -x /usr/bin/objformat; then
-    objformat=`/usr/bin/objformat`
-  else
-    case $host_os in
-    freebsd23.*) objformat=aout ;;
-    *) objformat=elf ;;
-    esac
-  fi
-  version_type=freebsd-$objformat
-  case $version_type in
-    freebsd-elf*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-      soname_spec='$libname$release$shared_ext$major'
-      need_version=no
-      need_lib_prefix=no
-      ;;
-    freebsd-*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-      need_version=yes
-      ;;
-  esac
-  shlibpath_var=LD_LIBRARY_PATH
-  case $host_os in
-  freebsd2.*)
-    shlibpath_overrides_runpath=yes
-    ;;
-  freebsd3.01* | freebsdelf3.01*)
-    shlibpath_overrides_runpath=yes
-    hardcode_into_libs=yes
-    ;;
-  freebsd3.2-9* | freebsdelf3.2-9* | \
-  freebsd4.0-5 | freebsdelf4.0-5 | freebsd4.1.1 | freebsdelf4.1.1)
-    shlibpath_overrides_runpath=no
-    hardcode_into_libs=yes
-    ;;
-  *) # from 4.6 on, and DragonFly
-    shlibpath_overrides_runpath=yes
-    hardcode_into_libs=yes
-    ;;
-  esac
-  ;;
-
-haiku*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  dynamic_linker="$host_os runtime_loader"
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
-  hardcode_into_libs=yes
-  ;;
-
-hpux9* | hpux10* | hpux11*)
-  # Give a soname corresponding to the major version so that dld.sl refuses to
-  # link against other versions.
-  version_type=sunos
-  need_lib_prefix=no
-  need_version=no
-  case $host_cpu in
-  ia64*)
-    shrext_cmds='.so'
-    hardcode_into_libs=yes
-    dynamic_linker="$host_os dld.so"
-    shlibpath_var=LD_LIBRARY_PATH
-    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    if test 32 = "$HPUX_IA64_MODE"; then
-      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
-      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
-    else
-      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
-      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
-    fi
-    ;;
-  hppa*64*)
-    shrext_cmds='.sl'
-    hardcode_into_libs=yes
-    dynamic_linker="$host_os dld.sl"
-    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
-    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-    ;;
-  *)
-    shrext_cmds='.sl'
-    dynamic_linker="$host_os dld.sl"
-    shlibpath_var=SHLIB_PATH
-    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    ;;
-  esac
-  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
-  postinstall_cmds='chmod 555 $lib'
-  # or fails outright, so override atomically:
-  install_override_mode=555
-  ;;
-
-interix3-9*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  ;;
-
-irix5* | irix6* | nonstopux*)
-  case $host_os in
-    nonstopux*) version_type=nonstopux ;;
-    *)
-	if test yes = "$lt_cv_prog_gnu_ld"; then
-		version_type=linux # correct to gnu/linux during the next big refactor
-	else
-		version_type=irix
-	fi ;;
-  esac
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='$libname$release$shared_ext$major'
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
-  case $host_os in
-  irix5* | nonstopux*)
-    libsuff= shlibsuff=
-    ;;
-  *)
-    case $LD in # libtool.m4 will add one of these switches to LD
-    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
-      libsuff= shlibsuff= libmagic=32-bit;;
-    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
-      libsuff=32 shlibsuff=N32 libmagic=N32;;
-    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
-      libsuff=64 shlibsuff=64 libmagic=64-bit;;
-    *) libsuff= shlibsuff= libmagic=never-match;;
-    esac
-    ;;
-  esac
-  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
-  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
-  hardcode_into_libs=yes
-  ;;
-
-# No shared lib support for Linux oldld, aout, or coff.
-linux*oldld* | linux*aout* | linux*coff*)
-  dynamic_linker=no
-  ;;
-
-linux*android*)
-  version_type=none # Android doesn't support versioned libraries.
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext'
-  soname_spec='$libname$release$shared_ext'
-  finish_cmds=
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-
-  # This implies no fast_install, which is unacceptable.
-  # Some rework will be needed to allow for fast_install
-  # before this can be enabled.
-  hardcode_into_libs=yes
-
-  dynamic_linker='Android linker'
-  # Don't embed -rpath directories since the linker doesn't support them.
-  hardcode_libdir_flag_spec='-L$libdir'
-  ;;
-
-# This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-
-  # Some binutils ld are patched to set DT_RUNPATH
-  if ${lt_cv_shlibpath_overrides_runpath+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_shlibpath_overrides_runpath=no
-    save_LDFLAGS=$LDFLAGS
-    save_libdir=$libdir
-    eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
-	 LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then :
-  lt_cv_shlibpath_overrides_runpath=yes
-fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-    LDFLAGS=$save_LDFLAGS
-    libdir=$save_libdir
-
-fi
-
-  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
-
-  # This implies no fast_install, which is unacceptable.
-  # Some rework will be needed to allow for fast_install
-  # before this can be enabled.
-  hardcode_into_libs=yes
-
-  # Ideally, we could use ldconfig to report *all* directores which are
-  # searched for libraries, however this is still not possible.  Aside from not
-  # being certain /sbin/ldconfig is available, command
-  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
-  # even though it is searched at run-time.  Try to do the best guess by
-  # appending ld.so.conf contents (and includes) to the search path.
-  if test -f /etc/ld.so.conf; then
-    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^	 *hwcap	 /d;s/:,	/ /g;s/=^=*$//;s/=^= * / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
-  fi
-
-  # We used to test for /lib/ld.so.1 and disable shared libraries on
-  # powerpc, because MkLinux only supported shared libraries with the
-  # GNU dynamic linker.  Since this was broken with cross compilers,
-  # most powerpc-linux boxes support dynamic linking these days and
-  # people can always --disable-shared, the test was removed, and we
-  # assume the GNU/Linux dynamic linker is in use.
-  dynamic_linker='GNU/Linux ld.so'
-  ;;
-
-netbsdelf*-gnu)
-  version_type=linux
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  dynamic_linker='NetBSD ld.elf_so'
-  ;;
-
-netbsd*)
-  version_type=sunos
-  need_lib_prefix=no
-  need_version=no
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
-    dynamic_linker='NetBSD (a.out) ld.so'
-  else
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    dynamic_linker='NetBSD ld.elf_so'
-  fi
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  ;;
-
-newsos6)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  ;;
-
-*nto* | *qnx*)
-  version_type=qnx
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  dynamic_linker='ldqnx.so'
-  ;;
-
-openbsd* | bitrig*)
-  version_type=sunos
-  sys_lib_dlsearch_path_spec=/usr/lib
-  need_lib_prefix=no
-  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
-    need_version=no
-  else
-    need_version=yes
-  fi
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  ;;
-
-os2*)
-  libname_spec='$name'
-  version_type=windows
-  shrext_cmds=.dll
-  need_version=no
-  need_lib_prefix=no
-  # OS/2 can only load a DLL with a base name of 8 characters or less.
-  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
-    v=$($ECHO $release$versuffix | tr -d .-);
-    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
-    $ECHO $n$v`$shared_ext'
-  library_names_spec='${libname}_dll.$libext'
-  dynamic_linker='OS/2 ld.exe'
-  shlibpath_var=BEGINLIBPATH
-  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-  postinstall_cmds='base_file=`basename \$file`~
-    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
-    dldir=$destdir/`dirname \$dlpath`~
-    test -d \$dldir || mkdir -p \$dldir~
-    $install_prog $dir/$dlname \$dldir/$dlname~
-    chmod a+x \$dldir/$dlname~
-    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
-      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
-    fi'
-  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
-    dlpath=$dir/\$dldll~
-    $RM \$dlpath'
-  ;;
-
-osf3* | osf4* | osf5*)
-  version_type=osf
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='$libname$release$shared_ext$major'
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
-  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-  ;;
-
-rdos*)
-  dynamic_linker=no
-  ;;
-
-solaris*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  # ldd complains unless libraries are executable
-  postinstall_cmds='chmod +x $lib'
-  ;;
-
-sunos4*)
-  version_type=sunos
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  if test yes = "$with_gnu_ld"; then
-    need_lib_prefix=no
-  fi
-  need_version=yes
-  ;;
-
-sysv4 | sysv4.3*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  case $host_vendor in
-    sni)
-      shlibpath_overrides_runpath=no
-      need_lib_prefix=no
-      runpath_var=LD_RUN_PATH
-      ;;
-    siemens)
-      need_lib_prefix=no
-      ;;
-    motorola)
-      need_lib_prefix=no
-      need_version=no
-      shlibpath_overrides_runpath=no
-      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
-      ;;
-  esac
-  ;;
-
-sysv4*MP*)
-  if test -d /usr/nec; then
-    version_type=linux # correct to gnu/linux during the next big refactor
-    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
-    soname_spec='$libname$shared_ext.$major'
-    shlibpath_var=LD_LIBRARY_PATH
-  fi
-  ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  version_type=sco
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  if test yes = "$with_gnu_ld"; then
-    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
-  else
-    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
-    case $host_os in
-      sco3.2v5*)
-        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
-	;;
-    esac
-  fi
-  sys_lib_dlsearch_path_spec='/usr/lib'
-  ;;
-
-tpf*)
-  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  ;;
-
-uts4*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  ;;
-
-*)
-  dynamic_linker=no
-  ;;
-esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
-$as_echo "$dynamic_linker" >&6; }
-test no = "$dynamic_linker" && can_build_shared=no
-
-variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
-if test yes = "$GCC"; then
-  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
-fi
-
-if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
-  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
-fi
-
-if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
-  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
-fi
-
-# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
-configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
-
-# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
-func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
-
-# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
-configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
-$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
-hardcode_action=
-if test -n "$hardcode_libdir_flag_spec" ||
-   test -n "$runpath_var" ||
-   test yes = "$hardcode_automatic"; then
-
-  # We can hardcode non-existent directories.
-  if test no != "$hardcode_direct" &&
-     # If the only mechanism to avoid hardcoding is shlibpath_var, we
-     # have to relink, otherwise we might link with an installed library
-     # when we should be linking with a yet-to-be-installed one
-     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" &&
-     test no != "$hardcode_minus_L"; then
-    # Linking always hardcodes the temporary library directory.
-    hardcode_action=relink
-  else
-    # We can link without hardcoding, and we can hardcode nonexisting dirs.
-    hardcode_action=immediate
-  fi
-else
-  # We cannot hardcode anything, or else we can only hardcode existing
-  # directories.
-  hardcode_action=unsupported
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
-$as_echo "$hardcode_action" >&6; }
-
-if test relink = "$hardcode_action" ||
-   test yes = "$inherit_rpath"; then
-  # Fast installation is not supported
-  enable_fast_install=no
-elif test yes = "$shlibpath_overrides_runpath" ||
-     test no = "$enable_shared"; then
-  # Fast installation is not necessary
-  enable_fast_install=needless
-fi
-
-
-
-
-
-
-  if test yes != "$enable_dlopen"; then
-  enable_dlopen=unknown
-  enable_dlopen_self=unknown
-  enable_dlopen_self_static=unknown
-else
-  lt_cv_dlopen=no
-  lt_cv_dlopen_libs=
-
-  case $host_os in
-  beos*)
-    lt_cv_dlopen=load_add_on
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=yes
-    ;;
-
-  mingw* | pw32* | cegcc*)
-    lt_cv_dlopen=LoadLibrary
-    lt_cv_dlopen_libs=
-    ;;
-
-  cygwin*)
-    lt_cv_dlopen=dlopen
-    lt_cv_dlopen_libs=
-    ;;
-
-  darwin*)
-    # if libdl is installed we need to link against it
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_dl_dlopen=yes
-else
-  ac_cv_lib_dl_dlopen=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
-  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else
-
-    lt_cv_dlopen=dyld
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=yes
-
-fi
-
-    ;;
-
-  tpf*)
-    # Don't try to run any link tests for TPF.  We know it's impossible
-    # because TPF is a cross-compiler, and we know how we open DSOs.
-    lt_cv_dlopen=dlopen
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=no
-    ;;
-
-  *)
-    ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
-if test "x$ac_cv_func_shl_load" = xyes; then :
-  lt_cv_dlopen=shl_load
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
-$as_echo_n "checking for shl_load in -ldld... " >&6; }
-if ${ac_cv_lib_dld_shl_load+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldld  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char shl_load ();
-int
-main ()
-{
-return shl_load ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_dld_shl_load=yes
-else
-  ac_cv_lib_dld_shl_load=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
-$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
-  lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld
-else
-  ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = xyes; then :
-  lt_cv_dlopen=dlopen
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_dl_dlopen=yes
-else
-  ac_cv_lib_dl_dlopen=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
-  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
-$as_echo_n "checking for dlopen in -lsvld... " >&6; }
-if ${ac_cv_lib_svld_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lsvld  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_svld_dlopen=yes
-else
-  ac_cv_lib_svld_dlopen=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
-$as_echo "$ac_cv_lib_svld_dlopen" >&6; }
-if test "x$ac_cv_lib_svld_dlopen" = xyes; then :
-  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
-$as_echo_n "checking for dld_link in -ldld... " >&6; }
-if ${ac_cv_lib_dld_dld_link+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldld  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dld_link ();
-int
-main ()
-{
-return dld_link ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_dld_dld_link=yes
-else
-  ac_cv_lib_dld_dld_link=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
-$as_echo "$ac_cv_lib_dld_dld_link" >&6; }
-if test "x$ac_cv_lib_dld_dld_link" = xyes; then :
-  lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
-    ;;
-  esac
-
-  if test no = "$lt_cv_dlopen"; then
-    enable_dlopen=no
-  else
-    enable_dlopen=yes
-  fi
-
-  case $lt_cv_dlopen in
-  dlopen)
-    save_CPPFLAGS=$CPPFLAGS
-    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
-
-    save_LDFLAGS=$LDFLAGS
-    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
-
-    save_LIBS=$LIBS
-    LIBS="$lt_cv_dlopen_libs $LIBS"
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
-$as_echo_n "checking whether a program can dlopen itself... " >&6; }
-if ${lt_cv_dlopen_self+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  	  if test yes = "$cross_compiling"; then :
-  lt_cv_dlopen_self=cross
-else
-  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
-  lt_status=$lt_dlunknown
-  cat > conftest.$ac_ext <<_LT_EOF
-#line $LINENO "configure"
-#include "confdefs.h"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef RTLD_GLOBAL
-#  define LT_DLGLOBAL		RTLD_GLOBAL
-#else
-#  ifdef DL_GLOBAL
-#    define LT_DLGLOBAL		DL_GLOBAL
-#  else
-#    define LT_DLGLOBAL		0
-#  endif
-#endif
-
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
-   find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-#  ifdef RTLD_LAZY
-#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
-#  else
-#    ifdef DL_LAZY
-#      define LT_DLLAZY_OR_NOW		DL_LAZY
-#    else
-#      ifdef RTLD_NOW
-#        define LT_DLLAZY_OR_NOW	RTLD_NOW
-#      else
-#        ifdef DL_NOW
-#          define LT_DLLAZY_OR_NOW	DL_NOW
-#        else
-#          define LT_DLLAZY_OR_NOW	0
-#        endif
-#      endif
-#    endif
-#  endif
-#endif
-
-/* When -fvisibility=hidden is used, assume the code has been annotated
-   correspondingly for the symbols needed.  */
-#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
-int fnord () __attribute__((visibility("default")));
-#endif
-
-int fnord () { return 42; }
-int main ()
-{
-  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
-  int status = $lt_dlunknown;
-
-  if (self)
-    {
-      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
-      else
-        {
-	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
-          else puts (dlerror ());
-	}
-      /* dlclose (self); */
-    }
-  else
-    puts (dlerror ());
-
-  return status;
-}
-_LT_EOF
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
-    (./conftest; exit; ) >&5 2>/dev/null
-    lt_status=$?
-    case x$lt_status in
-      x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
-      x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
-      x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
-    esac
-  else :
-    # compilation failed
-    lt_cv_dlopen_self=no
-  fi
-fi
-rm -fr conftest*
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
-$as_echo "$lt_cv_dlopen_self" >&6; }
-
-    if test yes = "$lt_cv_dlopen_self"; then
-      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
-$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
-if ${lt_cv_dlopen_self_static+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  	  if test yes = "$cross_compiling"; then :
-  lt_cv_dlopen_self_static=cross
-else
-  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
-  lt_status=$lt_dlunknown
-  cat > conftest.$ac_ext <<_LT_EOF
-#line $LINENO "configure"
-#include "confdefs.h"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef RTLD_GLOBAL
-#  define LT_DLGLOBAL		RTLD_GLOBAL
-#else
-#  ifdef DL_GLOBAL
-#    define LT_DLGLOBAL		DL_GLOBAL
-#  else
-#    define LT_DLGLOBAL		0
-#  endif
-#endif
-
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
-   find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-#  ifdef RTLD_LAZY
-#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
-#  else
-#    ifdef DL_LAZY
-#      define LT_DLLAZY_OR_NOW		DL_LAZY
-#    else
-#      ifdef RTLD_NOW
-#        define LT_DLLAZY_OR_NOW	RTLD_NOW
-#      else
-#        ifdef DL_NOW
-#          define LT_DLLAZY_OR_NOW	DL_NOW
-#        else
-#          define LT_DLLAZY_OR_NOW	0
-#        endif
-#      endif
-#    endif
-#  endif
-#endif
-
-/* When -fvisibility=hidden is used, assume the code has been annotated
-   correspondingly for the symbols needed.  */
-#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
-int fnord () __attribute__((visibility("default")));
-#endif
-
-int fnord () { return 42; }
-int main ()
-{
-  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
-  int status = $lt_dlunknown;
-
-  if (self)
-    {
-      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
-      else
-        {
-	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
-          else puts (dlerror ());
-	}
-      /* dlclose (self); */
-    }
-  else
-    puts (dlerror ());
-
-  return status;
-}
-_LT_EOF
-  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
-    (./conftest; exit; ) >&5 2>/dev/null
-    lt_status=$?
-    case x$lt_status in
-      x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;;
-      x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;;
-      x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;;
-    esac
-  else :
-    # compilation failed
-    lt_cv_dlopen_self_static=no
-  fi
-fi
-rm -fr conftest*
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
-$as_echo "$lt_cv_dlopen_self_static" >&6; }
-    fi
-
-    CPPFLAGS=$save_CPPFLAGS
-    LDFLAGS=$save_LDFLAGS
-    LIBS=$save_LIBS
-    ;;
-  esac
-
-  case $lt_cv_dlopen_self in
-  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
-  *) enable_dlopen_self=unknown ;;
-  esac
-
-  case $lt_cv_dlopen_self_static in
-  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
-  *) enable_dlopen_self_static=unknown ;;
-  esac
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-striplib=
-old_striplib=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5
-$as_echo_n "checking whether stripping libraries is possible... " >&6; }
-if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
-  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
-  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-# FIXME - insert some real tests, host_os isn't really good enough
-  case $host_os in
-  darwin*)
-    if test -n "$STRIP"; then
-      striplib="$STRIP -x"
-      old_striplib="$STRIP -S"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-    fi
-    ;;
-  *)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-    ;;
-  esac
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-  # Report what library types will actually be built
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
-$as_echo_n "checking if libtool supports shared libraries... " >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
-$as_echo "$can_build_shared" >&6; }
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
-$as_echo_n "checking whether to build shared libraries... " >&6; }
-  test no = "$can_build_shared" && enable_shared=no
-
-  # On AIX, shared libraries and static libraries use the same namespace, and
-  # are all built from PIC.
-  case $host_os in
-  aix3*)
-    test yes = "$enable_shared" && enable_static=no
-    if test -n "$RANLIB"; then
-      archive_cmds="$archive_cmds~\$RANLIB \$lib"
-      postinstall_cmds='$RANLIB $lib'
-    fi
-    ;;
-
-  aix4-9*)
-    if test ia64 != "$host_cpu"; then
-      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
-      yes,aix,yes) ;;			# shared object as lib.so file only
-      yes,svr4,*) ;;			# shared object as lib.so archive member only
-      yes,*) enable_static=no ;;	# shared object in lib.a archive as well
-      esac
-    fi
-    ;;
-  esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
-$as_echo "$enable_shared" >&6; }
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
-$as_echo_n "checking whether to build static libraries... " >&6; }
-  # Make sure either enable_shared or enable_static is yes.
-  test yes = "$enable_shared" || enable_static=yes
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
-$as_echo "$enable_static" >&6; }
-
-
-
-
-fi
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-CC=$lt_save_CC
-
-      if test -n "$CXX" && ( test no != "$CXX" &&
-    ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) ||
-    (test g++ != "$CXX"))); then
-  ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
-$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
-if test -z "$CXXCPP"; then
-  if ${ac_cv_prog_CXXCPP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-      # Double quotes because CXXCPP needs to be expanded
-    for CXXCPP in "$CXX -E" "/lib/cpp"
-    do
-      ac_preproc_ok=false
-for ac_cxx_preproc_warn_flag in '' yes
-do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-
-else
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-  # OK, works on sane cases.  Now check whether nonexistent headers
-  # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-  # Broken: success on invalid input.
-continue
-else
-  # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-  break
-fi
-
-    done
-    ac_cv_prog_CXXCPP=$CXXCPP
-
-fi
-  CXXCPP=$ac_cv_prog_CXXCPP
-else
-  ac_cv_prog_CXXCPP=$CXXCPP
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
-$as_echo "$CXXCPP" >&6; }
-ac_preproc_ok=false
-for ac_cxx_preproc_warn_flag in '' yes
-do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-
-else
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-  # OK, works on sane cases.  Now check whether nonexistent headers
-  # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-  # Broken: success on invalid input.
-continue
-else
-  # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-else
-  _lt_caught_CXX_error=yes
-fi
-
-ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
-archive_cmds_need_lc_CXX=no
-allow_undefined_flag_CXX=
-always_export_symbols_CXX=no
-archive_expsym_cmds_CXX=
-compiler_needs_object_CXX=no
-export_dynamic_flag_spec_CXX=
-hardcode_direct_CXX=no
-hardcode_direct_absolute_CXX=no
-hardcode_libdir_flag_spec_CXX=
-hardcode_libdir_separator_CXX=
-hardcode_minus_L_CXX=no
-hardcode_shlibpath_var_CXX=unsupported
-hardcode_automatic_CXX=no
-inherit_rpath_CXX=no
-module_cmds_CXX=
-module_expsym_cmds_CXX=
-link_all_deplibs_CXX=unknown
-old_archive_cmds_CXX=$old_archive_cmds
-reload_flag_CXX=$reload_flag
-reload_cmds_CXX=$reload_cmds
-no_undefined_flag_CXX=
-whole_archive_flag_spec_CXX=
-enable_shared_with_static_runtimes_CXX=no
-
-# Source file extension for C++ test sources.
-ac_ext=cpp
-
-# Object file extension for compiled C++ test sources.
-objext=o
-objext_CXX=$objext
-
-# No sense in running all these tests if we already determined that
-# the CXX compiler isn't working.  Some variables (like enable_shared)
-# are currently assumed to apply to all compilers on this platform,
-# and will be corrupted by setting them based on a non-working compiler.
-if test yes != "$_lt_caught_CXX_error"; then
-  # Code to be used in simple compile tests
-  lt_simple_compile_test_code="int some_variable = 0;"
-
-  # Code to be used in simple link tests
-  lt_simple_link_test_code='int main(int, char *) { return(0); }'
-
-  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
-
-
-
-
-
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-
-
-  # save warnings/boilerplate of simple test code
-  ac_outfile=conftest.$ac_objext
-echo "$lt_simple_compile_test_code" >conftest.$ac_ext
-eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_compiler_boilerplate=`cat conftest.err`
-$RM conftest*
-
-  ac_outfile=conftest.$ac_objext
-echo "$lt_simple_link_test_code" >conftest.$ac_ext
-eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_linker_boilerplate=`cat conftest.err`
-$RM -r conftest*
-
-
-  # Allow CC to be a program name with arguments.
-  lt_save_CC=$CC
-  lt_save_CFLAGS=$CFLAGS
-  lt_save_LD=$LD
-  lt_save_GCC=$GCC
-  GCC=$GXX
-  lt_save_with_gnu_ld=$with_gnu_ld
-  lt_save_path_LD=$lt_cv_path_LD
-  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
-    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
-  else
-    $as_unset lt_cv_prog_gnu_ld
-  fi
-  if test -n "${lt_cv_path_LDCXX+set}"; then
-    lt_cv_path_LD=$lt_cv_path_LDCXX
-  else
-    $as_unset lt_cv_path_LD
-  fi
-  test -z "${LDCXX+set}" || LD=$LDCXX
-  CC=${CXX-"c++"}
-  CFLAGS=$CXXFLAGS
-  compiler=$CC
-  compiler_CXX=$CC
-  func_cc_basename $compiler
-cc_basename=$func_cc_basename_result
-
-
-  if test -n "$compiler"; then
-    # We don't want -fno-exception when compiling C++ code, so set the
-    # no_builtin_flag separately
-    if test yes = "$GXX"; then
-      lt_prog_compiler_no_builtin_flag_CXX=' -fno-builtin'
-    else
-      lt_prog_compiler_no_builtin_flag_CXX=
-    fi
-
-    if test yes = "$GXX"; then
-      # Set up default GNU C++ configuration
-
-
-
-# Check whether --with-gnu-ld was given.
-if test "${with_gnu_ld+set}" = set; then :
-  withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
-else
-  with_gnu_ld=no
-fi
-
-ac_prog=ld
-if test yes = "$GCC"; then
-  # Check if gcc -print-prog-name=ld gives a path.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
-$as_echo_n "checking for ld used by $CC... " >&6; }
-  case $host in
-  *-*-mingw*)
-    # gcc leaves a trailing carriage return, which upsets mingw
-    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
-  *)
-    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
-  esac
-  case $ac_prog in
-    # Accept absolute paths.
-    \\/* | ?:\\/*)
-      re_direlt='/^/^/*/\.\./'
-      # Canonicalize the pathname of ld
-      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
-      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
-	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
-      done
-      test -z "$LD" && LD=$ac_prog
-      ;;
-  "")
-    # If it fails, then pretend we aren't using GCC.
-    ac_prog=ld
-    ;;
-  *)
-    # If it is relative, then search for the first ld in PATH.
-    with_gnu_ld=unknown
-    ;;
-  esac
-elif test yes = "$with_gnu_ld"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
-$as_echo_n "checking for GNU ld... " >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
-$as_echo_n "checking for non-GNU ld... " >&6; }
-fi
-if ${lt_cv_path_LD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -z "$LD"; then
-  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
-  for ac_dir in $PATH; do
-    IFS=$lt_save_ifs
-    test -z "$ac_dir" && ac_dir=.
-    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
-      lt_cv_path_LD=$ac_dir/$ac_prog
-      # Check to see if the program is GNU ld.  I'd rather use --version,
-      # but apparently some variants of GNU ld only accept -v.
-      # Break only if it was the GNU/non-GNU ld that we prefer.
-      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
-      *GNU* | *'with BFD'*)
-	test no != "$with_gnu_ld" && break
-	;;
-      *)
-	test yes != "$with_gnu_ld" && break
-	;;
-      esac
-    fi
-  done
-  IFS=$lt_save_ifs
-else
-  lt_cv_path_LD=$LD # Let the user override the test with a path.
-fi
-fi
-
-LD=$lt_cv_path_LD
-if test -n "$LD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
-$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
-if ${lt_cv_prog_gnu_ld+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  # I'd rather use --version here, but apparently some GNU lds only accept -v.
-case `$LD -v 2>&1 </dev/null` in
-*GNU* | *'with BFD'*)
-  lt_cv_prog_gnu_ld=yes
-  ;;
-*)
-  lt_cv_prog_gnu_ld=no
-  ;;
-esac
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
-$as_echo "$lt_cv_prog_gnu_ld" >&6; }
-with_gnu_ld=$lt_cv_prog_gnu_ld
-
-
-
-
-
-
-
-      # Check if GNU C++ uses GNU ld as the underlying linker, since the
-      # archiving commands below assume that GNU ld is being used.
-      if test yes = "$with_gnu_ld"; then
-        archive_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-        archive_expsym_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-
-        hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
-        export_dynamic_flag_spec_CXX='$wl--export-dynamic'
-
-        # If archive_cmds runs LD, not CC, wlarc should be empty
-        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
-        #     investigate it a little bit more. (MM)
-        wlarc='$wl'
-
-        # ancient GNU ld didn't support --whole-archive et. al.
-        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
-	  $GREP 'no-whole-archive' > /dev/null; then
-          whole_archive_flag_spec_CXX=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
-        else
-          whole_archive_flag_spec_CXX=
-        fi
-      else
-        with_gnu_ld=no
-        wlarc=
-
-        # A generic and very simple default shared library creation
-        # command for GNU C++ for the case where it uses the native
-        # linker, instead of GNU ld.  If possible, this setting should
-        # overridden to take advantage of the native linker features on
-        # the platform it is being used on.
-        archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
-      fi
-
-      # Commands to make compiler produce verbose output that lists
-      # what "hidden" libraries, object files and flags are used when
-      # linking a shared library.
-      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-
-    else
-      GXX=no
-      with_gnu_ld=no
-      wlarc=
-    fi
-
-    # PORTME: fill in a description of your system's C++ link characteristics
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
-$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
-    ld_shlibs_CXX=yes
-    case $host_os in
-      aix3*)
-        # FIXME: insert proper C++ library support
-        ld_shlibs_CXX=no
-        ;;
-      aix4-9*)
-        if test ia64 = "$host_cpu"; then
-          # On IA64, the linker does run time linking by default, so we don't
-          # have to do anything special.
-          aix_use_runtimelinking=no
-          exp_sym_flag='-Bexport'
-          no_entry_flag=
-        else
-          aix_use_runtimelinking=no
-
-          # Test if we are trying to use run time linking or normal
-          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
-          # have runtime linking enabled, and use it for executables.
-          # For shared libraries, we enable/disable runtime linking
-          # depending on the kind of the shared library created -
-          # when "with_aix_soname,aix_use_runtimelinking" is:
-          # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
-          # "aix,yes"  lib.so          shared, rtl:yes, for executables
-          #            lib.a           static archive
-          # "both,no"  lib.so.V(shr.o) shared, rtl:yes
-          #            lib.a(lib.so.V) shared, rtl:no,  for executables
-          # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
-          #            lib.a(lib.so.V) shared, rtl:no
-          # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
-          #            lib.a           static archive
-          case $host_os in aix4.23|aix4.23.*|aix5-9*)
-	    for ld_flag in $LDFLAGS; do
-	      case $ld_flag in
-	      *-brtl*)
-	        aix_use_runtimelinking=yes
-	        break
-	        ;;
-	      esac
-	    done
-	    if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
-	      # With aix-soname=svr4, we create the lib.so.V shared archives only,
-	      # so we don't have lib.a shared libs to link our executables.
-	      # We have to force runtime linking in this case.
-	      aix_use_runtimelinking=yes
-	      LDFLAGS="$LDFLAGS -Wl,-brtl"
-	    fi
-	    ;;
-          esac
-
-          exp_sym_flag='-bexport'
-          no_entry_flag='-bnoentry'
-        fi
-
-        # When large executables or shared objects are built, AIX ld can
-        # have problems creating the table of contents.  If linking a library
-        # or program results in "error TOC overflow" add -mminimal-toc to
-        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
-        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
-        archive_cmds_CXX=''
-        hardcode_direct_CXX=yes
-        hardcode_direct_absolute_CXX=yes
-        hardcode_libdir_separator_CXX=':'
-        link_all_deplibs_CXX=yes
-        file_list_spec_CXX='$wl-f,'
-        case $with_aix_soname,$aix_use_runtimelinking in
-        aix,*) ;;	# no import file
-        svr4,* | *,yes) # use import file
-          # The Import File defines what to hardcode.
-          hardcode_direct_CXX=no
-          hardcode_direct_absolute_CXX=no
-          ;;
-        esac
-
-        if test yes = "$GXX"; then
-          case $host_os in aix4.012|aix4.012.*)
-          # We only want to do this on AIX 4.2 and lower, the check
-          # below for broken collect2 doesn't work under 4.3+
-	  collect2name=`$CC -print-prog-name=collect2`
-	  if test -f "$collect2name" &&
-	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
-	  then
-	    # We have reworked collect2
-	    :
-	  else
-	    # We have old collect2
-	    hardcode_direct_CXX=unsupported
-	    # It fails to find uninstalled libraries when the uninstalled
-	    # path is not listed in the libpath.  Setting hardcode_minus_L
-	    # to unsupported forces relinking
-	    hardcode_minus_L_CXX=yes
-	    hardcode_libdir_flag_spec_CXX='-L$libdir'
-	    hardcode_libdir_separator_CXX=
-	  fi
-          esac
-          shared_flag='-shared'
-	  if test yes = "$aix_use_runtimelinking"; then
-	    shared_flag=$shared_flag' $wl-G'
-	  fi
-	  # Need to ensure runtime linking is disabled for the traditional
-	  # shared library, or the linker may eventually find shared libraries
-	  # /with/ Import File - we do not want to mix them.
-	  shared_flag_aix='-shared'
-	  shared_flag_svr4='-shared $wl-G'
-        else
-          # not using gcc
-          if test ia64 = "$host_cpu"; then
-	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
-	  # chokes on -Wl,-G. The following line is correct:
-	  shared_flag='-G'
-          else
-	    if test yes = "$aix_use_runtimelinking"; then
-	      shared_flag='$wl-G'
-	    else
-	      shared_flag='$wl-bM:SRE'
-	    fi
-	    shared_flag_aix='$wl-bM:SRE'
-	    shared_flag_svr4='$wl-G'
-          fi
-        fi
-
-        export_dynamic_flag_spec_CXX='$wl-bexpall'
-        # It seems that -bexpall does not export symbols beginning with
-        # underscore (_), so it is better to generate a list of symbols to
-	# export.
-        always_export_symbols_CXX=yes
-	if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
-          # Warning - without using the other runtime loading flags (-brtl),
-          # -berok will link without error, but may produce a broken library.
-          # The "-G" linker flag allows undefined symbols.
-          no_undefined_flag_CXX='-bernotok'
-          # Determine the default libpath from the value encoded in an empty
-          # executable.
-          if test set = "${lt_cv_aix_libpath+set}"; then
-  aix_libpath=$lt_cv_aix_libpath
-else
-  if ${lt_cv_aix_libpath__CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-
-  lt_aix_libpath_sed='
-      /Import File Strings/,/^$/ {
-	  /^0/ {
-	      s/^0  *$^ *$ *$/\1/
-	      p
-	  }
-      }'
-  lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  # Check for a 64-bit object if we didn't find anything.
-  if test -z "$lt_cv_aix_libpath__CXX"; then
-    lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  if test -z "$lt_cv_aix_libpath__CXX"; then
-    lt_cv_aix_libpath__CXX=/usr/lib:/lib
-  fi
-
-fi
-
-  aix_libpath=$lt_cv_aix_libpath__CXX
-fi
-
-          hardcode_libdir_flag_spec_CXX='$wl-blibpath:$libdir:'"$aix_libpath"
-
-          archive_expsym_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
-        else
-          if test ia64 = "$host_cpu"; then
-	    hardcode_libdir_flag_spec_CXX='$wl-R $libdir:/usr/lib:/lib'
-	    allow_undefined_flag_CXX="-z nodefs"
-	    archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
-          else
-	    # Determine the default libpath from the value encoded in an
-	    # empty executable.
-	    if test set = "${lt_cv_aix_libpath+set}"; then
-  aix_libpath=$lt_cv_aix_libpath
-else
-  if ${lt_cv_aix_libpath__CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-
-  lt_aix_libpath_sed='
-      /Import File Strings/,/^$/ {
-	  /^0/ {
-	      s/^0  *$^ *$ *$/\1/
-	      p
-	  }
-      }'
-  lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  # Check for a 64-bit object if we didn't find anything.
-  if test -z "$lt_cv_aix_libpath__CXX"; then
-    lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  if test -z "$lt_cv_aix_libpath__CXX"; then
-    lt_cv_aix_libpath__CXX=/usr/lib:/lib
-  fi
-
-fi
-
-  aix_libpath=$lt_cv_aix_libpath__CXX
-fi
-
-	    hardcode_libdir_flag_spec_CXX='$wl-blibpath:$libdir:'"$aix_libpath"
-	    # Warning - without using the other run time loading flags,
-	    # -berok will link without error, but may produce a broken library.
-	    no_undefined_flag_CXX=' $wl-bernotok'
-	    allow_undefined_flag_CXX=' $wl-berok'
-	    if test yes = "$with_gnu_ld"; then
-	      # We only use this code for GNU lds that support --whole-archive.
-	      whole_archive_flag_spec_CXX='$wl--whole-archive$convenience $wl--no-whole-archive'
-	    else
-	      # Exported symbols can be pulled into shared objects from archives
-	      whole_archive_flag_spec_CXX='$convenience'
-	    fi
-	    archive_cmds_need_lc_CXX=yes
-	    archive_expsym_cmds_CXX='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
-	    # -brtl affects multiple linker settings, -berok does not and is overridden later
-	    compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\$, \$%-berok\\1%g"`'
-	    if test svr4 != "$with_aix_soname"; then
-	      # This is similar to how AIX traditionally builds its shared
-	      # libraries. Need -bnortl late, we may have -brtl in LDFLAGS.
-	      archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
-	    fi
-	    if test aix != "$with_aix_soname"; then
-	      archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
-	    else
-	      # used by -dlpreopen to get the symbols
-	      archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
-	    fi
-	    archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$RM -r $output_objdir/$realname.d'
-          fi
-        fi
-        ;;
-
-      beos*)
-	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	  allow_undefined_flag_CXX=unsupported
-	  # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
-	  # support --undefined.  This deserves some investigation.  FIXME
-	  archive_cmds_CXX='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	else
-	  ld_shlibs_CXX=no
-	fi
-	;;
-
-      chorus*)
-        case $cc_basename in
-          *)
-	  # FIXME: insert proper C++ library support
-	  ld_shlibs_CXX=no
-	  ;;
-        esac
-        ;;
-
-      cygwin* | mingw* | pw32* | cegcc*)
-	case $GXX,$cc_basename in
-	,cl* | no,cl*)
-	  # Native MSVC
-	  # hardcode_libdir_flag_spec is actually meaningless, as there is
-	  # no search path for DLLs.
-	  hardcode_libdir_flag_spec_CXX=' '
-	  allow_undefined_flag_CXX=unsupported
-	  always_export_symbols_CXX=yes
-	  file_list_spec_CXX='@'
-	  # Tell ltmain to make .lib files, not .a files.
-	  libext=lib
-	  # Tell ltmain to make .dll files, not .so files.
-	  shrext_cmds=.dll
-	  # FIXME: Setting linknames here is a bad hack.
-	  archive_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
-	  archive_expsym_cmds_CXX='if   test DEF = "`$SED -n     -e '\''s/^	 *//'\''     -e '\''/^$;.*$*$/d'\''     -e '\''s/^$EXPORTS\|LIBRARY$$	 .*$*$/DEF/p'\''     -e q     $export_symbols`" ; then
-              cp "$export_symbols" "$output_objdir/$soname.def";
-              echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
-            else
-              $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
-            fi~
-            $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
-            linknames='
-	  # The linker will not automatically build a static lib if we build a DLL.
-	  # _LT_TAGVAR(old_archive_from_new_cmds, CXX)='true'
-	  enable_shared_with_static_runtimes_CXX=yes
-	  # Don't use ranlib
-	  old_postinstall_cmds_CXX='chmod 644 $oldlib'
-	  postlink_cmds_CXX='lt_outputfile="@OUTPUT@"~
-            lt_tool_outputfile="@TOOL_OUTPUT@"~
-            case $lt_outputfile in
-              *.exe|*.EXE) ;;
-              *)
-                lt_outputfile=$lt_outputfile.exe
-                lt_tool_outputfile=$lt_tool_outputfile.exe
-                ;;
-            esac~
-            func_to_tool_file "$lt_outputfile"~
-            if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
-              $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
-              $RM "$lt_outputfile.manifest";
-            fi'
-	  ;;
-	*)
-	  # g++
-	  # _LT_TAGVAR(hardcode_libdir_flag_spec, CXX) is actually meaningless,
-	  # as there is no search path for DLLs.
-	  hardcode_libdir_flag_spec_CXX='-L$libdir'
-	  export_dynamic_flag_spec_CXX='$wl--export-all-symbols'
-	  allow_undefined_flag_CXX=unsupported
-	  always_export_symbols_CXX=no
-	  enable_shared_with_static_runtimes_CXX=yes
-
-	  if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
-	    archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-	    # If the export-symbols file already is a .def file, use it as
-	    # is; otherwise, prepend EXPORTS...
-	    archive_expsym_cmds_CXX='if   test DEF = "`$SED -n     -e '\''s/^	 *//'\''     -e '\''/^$;.*$*$/d'\''     -e '\''s/^$EXPORTS\|LIBRARY$$	 .*$*$/DEF/p'\''     -e q     $export_symbols`" ; then
-              cp $export_symbols $output_objdir/$soname.def;
-            else
-              echo EXPORTS > $output_objdir/$soname.def;
-              cat $export_symbols >> $output_objdir/$soname.def;
-            fi~
-            $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-	  else
-	    ld_shlibs_CXX=no
-	  fi
-	  ;;
-	esac
-	;;
-      darwin* | rhapsody*)
-
-
-  archive_cmds_need_lc_CXX=no
-  hardcode_direct_CXX=no
-  hardcode_automatic_CXX=yes
-  hardcode_shlibpath_var_CXX=unsupported
-  if test yes = "$lt_cv_ld_force_load"; then
-    whole_archive_flag_spec_CXX='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
-
-  else
-    whole_archive_flag_spec_CXX=''
-  fi
-  link_all_deplibs_CXX=yes
-  allow_undefined_flag_CXX=$_lt_dar_allow_undefined
-  case $cc_basename in
-     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
-     *) _lt_dar_can_shared=$GCC ;;
-  esac
-  if test yes = "$_lt_dar_can_shared"; then
-    output_verbose_link_cmd=func_echo_all
-    archive_cmds_CXX="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
-    module_cmds_CXX="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
-    archive_expsym_cmds_CXX="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
-    module_expsym_cmds_CXX="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
-       if test yes != "$lt_cv_apple_cc_single_mod"; then
-      archive_cmds_CXX="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil"
-      archive_expsym_cmds_CXX="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil"
-    fi
-
-  else
-  ld_shlibs_CXX=no
-  fi
-
-	;;
-
-      os2*)
-	hardcode_libdir_flag_spec_CXX='-L$libdir'
-	hardcode_minus_L_CXX=yes
-	allow_undefined_flag_CXX=unsupported
-	shrext_cmds=.dll
-	archive_cmds_CXX='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	  $ECHO EXPORTS >> $output_objdir/$libname.def~
-	  emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
-	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	  emximp -o $lib $output_objdir/$libname.def'
-	archive_expsym_cmds_CXX='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	  $ECHO EXPORTS >> $output_objdir/$libname.def~
-	  prefix_cmds="$SED"~
-	  if test EXPORTS = "`$SED 1q $export_symbols`"; then
-	    prefix_cmds="$prefix_cmds -e 1d";
-	  fi~
-	  prefix_cmds="$prefix_cmds -e \"s/^$.*$$/_\1/g\""~
-	  cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
-	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	  emximp -o $lib $output_objdir/$libname.def'
-	old_archive_From_new_cmds_CXX='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
-	enable_shared_with_static_runtimes_CXX=yes
-	;;
-
-      dgux*)
-        case $cc_basename in
-          ec++*)
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-          ghcx*)
-	    # Green Hills C++ Compiler
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-          *)
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-        esac
-        ;;
-
-      freebsd2.*)
-        # C++ shared libraries reported to be fairly broken before
-	# switch to ELF
-        ld_shlibs_CXX=no
-        ;;
-
-      freebsd-elf*)
-        archive_cmds_need_lc_CXX=no
-        ;;
-
-      freebsd* | dragonfly*)
-        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
-        # conventions
-        ld_shlibs_CXX=yes
-        ;;
-
-      haiku*)
-        archive_cmds_CXX='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-        link_all_deplibs_CXX=yes
-        ;;
-
-      hpux9*)
-        hardcode_libdir_flag_spec_CXX='$wl+b $wl$libdir'
-        hardcode_libdir_separator_CXX=:
-        export_dynamic_flag_spec_CXX='$wl-E'
-        hardcode_direct_CXX=yes
-        hardcode_minus_L_CXX=yes # Not in the search PATH,
-				             # but as the default
-				             # location of the library.
-
-        case $cc_basename in
-          CC*)
-            # FIXME: insert proper C++ library support
-            ld_shlibs_CXX=no
-            ;;
-          aCC*)
-            archive_cmds_CXX='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-            # Commands to make compiler produce verbose output that lists
-            # what "hidden" libraries, object files and flags are used when
-            # linking a shared library.
-            #
-            # There doesn't appear to be a way to prevent this compiler from
-            # explicitly linking system object files so we need to strip them
-            # from the output so that they don't get included in the library
-            # dependencies.
-            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-            ;;
-          *)
-            if test yes = "$GXX"; then
-              archive_cmds_CXX='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-            else
-              # FIXME: insert proper C++ library support
-              ld_shlibs_CXX=no
-            fi
-            ;;
-        esac
-        ;;
-
-      hpux10*|hpux11*)
-        if test no = "$with_gnu_ld"; then
-	  hardcode_libdir_flag_spec_CXX='$wl+b $wl$libdir'
-	  hardcode_libdir_separator_CXX=:
-
-          case $host_cpu in
-            hppa*64*|ia64*)
-              ;;
-            *)
-	      export_dynamic_flag_spec_CXX='$wl-E'
-              ;;
-          esac
-        fi
-        case $host_cpu in
-          hppa*64*|ia64*)
-            hardcode_direct_CXX=no
-            hardcode_shlibpath_var_CXX=no
-            ;;
-          *)
-            hardcode_direct_CXX=yes
-            hardcode_direct_absolute_CXX=yes
-            hardcode_minus_L_CXX=yes # Not in the search PATH,
-					         # but as the default
-					         # location of the library.
-            ;;
-        esac
-
-        case $cc_basename in
-          CC*)
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-          aCC*)
-	    case $host_cpu in
-	      hppa*64*)
-	        archive_cmds_CXX='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	        ;;
-	      ia64*)
-	        archive_cmds_CXX='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	        ;;
-	      *)
-	        archive_cmds_CXX='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	        ;;
-	    esac
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-	    ;;
-          *)
-	    if test yes = "$GXX"; then
-	      if test no = "$with_gnu_ld"; then
-	        case $host_cpu in
-	          hppa*64*)
-	            archive_cmds_CXX='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	            ;;
-	          ia64*)
-	            archive_cmds_CXX='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	            ;;
-	          *)
-	            archive_cmds_CXX='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	            ;;
-	        esac
-	      fi
-	    else
-	      # FIXME: insert proper C++ library support
-	      ld_shlibs_CXX=no
-	    fi
-	    ;;
-        esac
-        ;;
-
-      interix3-9*)
-	hardcode_direct_CXX=no
-	hardcode_shlibpath_var_CXX=no
-	hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
-	export_dynamic_flag_spec_CXX='$wl-E'
-	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
-	# Instead, shared libraries are loaded at an image base (0x10000000 by
-	# default) and relocated if they conflict, which is a slow very memory
-	# consuming and fragmenting process.  To avoid this, we pick a random,
-	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
-	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
-	archive_cmds_CXX='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-	archive_expsym_cmds_CXX='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-	;;
-      irix5* | irix6*)
-        case $cc_basename in
-          CC*)
-	    # SGI C++
-	    archive_cmds_CXX='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-
-	    # Archives containing C++ object files must be created using
-	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
-	    # necessary to make sure instantiated templates are included
-	    # in the archive.
-	    old_archive_cmds_CXX='$CC -ar -WR,-u -o $oldlib $oldobjs'
-	    ;;
-          *)
-	    if test yes = "$GXX"; then
-	      if test no = "$with_gnu_ld"; then
-	        archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-	      else
-	        archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib'
-	      fi
-	    fi
-	    link_all_deplibs_CXX=yes
-	    ;;
-        esac
-        hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
-        hardcode_libdir_separator_CXX=:
-        inherit_rpath_CXX=yes
-        ;;
-
-      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-        case $cc_basename in
-          KCC*)
-	    # Kuck and Associates, Inc. (KAI) C++ Compiler
-
-	    # KCC will only create a shared library if the output file
-	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
-	    # to its proper name (with version) after linking.
-	    archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/$^()0-9A-Za-z{}$/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
-	    archive_expsym_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/$^()0-9A-Za-z{}$/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib'
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-
-	    hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
-	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
-
-	    # Archives containing C++ object files must be created using
-	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
-	    old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs'
-	    ;;
-	  icpc* | ecpc* )
-	    # Intel C++
-	    with_gnu_ld=yes
-	    # version 8.0 and above of icpc choke on multiply defined symbols
-	    # if we add $predep_objects and $postdep_objects, however 7.1 and
-	    # earlier do not add the objects themselves.
-	    case `$CC -V 2>&1` in
-	      *"Version 7."*)
-	        archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-		archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-		;;
-	      *)  # Version 8.0 or newer
-	        tmp_idyn=
-	        case $host_cpu in
-		  ia64*) tmp_idyn=' -i_dynamic';;
-		esac
-	        archive_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-		archive_expsym_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-		;;
-	    esac
-	    archive_cmds_need_lc_CXX=no
-	    hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
-	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
-	    whole_archive_flag_spec_CXX='$wl--whole-archive$convenience $wl--no-whole-archive'
-	    ;;
-          pgCC* | pgcpp*)
-            # Portland Group C++ compiler
-	    case `$CC -V` in
-	    *pgCC\ 1-5.* | *pgcpp\ 1-5.*)
-	      prelink_cmds_CXX='tpldir=Template.dir~
-               rm -rf $tpldir~
-               $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
-               compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
-	      old_archive_cmds_CXX='tpldir=Template.dir~
-                rm -rf $tpldir~
-                $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
-                $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
-                $RANLIB $oldlib'
-	      archive_cmds_CXX='tpldir=Template.dir~
-                rm -rf $tpldir~
-                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
-                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-	      archive_expsym_cmds_CXX='tpldir=Template.dir~
-                rm -rf $tpldir~
-                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
-                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-	      ;;
-	    *) # Version 6 and above use weak symbols
-	      archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-	      archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-	      ;;
-	    esac
-
-	    hardcode_libdir_flag_spec_CXX='$wl--rpath $wl$libdir'
-	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
-	    whole_archive_flag_spec_CXX='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-            ;;
-	  cxx*)
-	    # Compaq C++
-	    archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-	    archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname  -o $lib $wl-retain-symbols-file $wl$export_symbols'
-
-	    runpath_var=LD_RUN_PATH
-	    hardcode_libdir_flag_spec_CXX='-rpath $libdir'
-	    hardcode_libdir_separator_CXX=:
-
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/$^.*ld.*$$ .*ld .*$$/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
-	    ;;
-	  xl* | mpixl* | bgxl*)
-	    # IBM XL 8.0 on PPC, with GNU ld
-	    hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
-	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
-	    archive_cmds_CXX='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	    if test yes = "$supports_anon_versioning"; then
-	      archive_expsym_cmds_CXX='echo "{ global:" > $output_objdir/$libname.ver~
-                cat $export_symbols | sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
-                echo "local: *; };" >> $output_objdir/$libname.ver~
-                $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
-	    fi
-	    ;;
-	  *)
-	    case `$CC -V 2>&1 | sed 5q` in
-	    *Sun\ C*)
-	      # Sun C++ 5.9
-	      no_undefined_flag_CXX=' -zdefs'
-	      archive_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	      archive_expsym_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols'
-	      hardcode_libdir_flag_spec_CXX='-R$libdir'
-	      whole_archive_flag_spec_CXX='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	      compiler_needs_object_CXX=yes
-
-	      # Not sure whether something based on
-	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
-	      # would be better.
-	      output_verbose_link_cmd='func_echo_all'
-
-	      # Archives containing C++ object files must be created using
-	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
-	      # necessary to make sure instantiated templates are included
-	      # in the archive.
-	      old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs'
-	      ;;
-	    esac
-	    ;;
-	esac
-	;;
-
-      lynxos*)
-        # FIXME: insert proper C++ library support
-	ld_shlibs_CXX=no
-	;;
-
-      m88k*)
-        # FIXME: insert proper C++ library support
-        ld_shlibs_CXX=no
-	;;
-
-      mvs*)
-        case $cc_basename in
-          cxx*)
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-	  *)
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-	esac
-	;;
-
-      netbsd*)
-        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-	  archive_cmds_CXX='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
-	  wlarc=
-	  hardcode_libdir_flag_spec_CXX='-R$libdir'
-	  hardcode_direct_CXX=yes
-	  hardcode_shlibpath_var_CXX=no
-	fi
-	# Workaround some broken pre-1.5 toolchains
-	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
-	;;
-
-      *nto* | *qnx*)
-        ld_shlibs_CXX=yes
-	;;
-
-      openbsd* | bitrig*)
-	if test -f /usr/libexec/ld.so; then
-	  hardcode_direct_CXX=yes
-	  hardcode_shlibpath_var_CXX=no
-	  hardcode_direct_absolute_CXX=yes
-	  archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
-	  hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
-	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then
-	    archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib'
-	    export_dynamic_flag_spec_CXX='$wl-E'
-	    whole_archive_flag_spec_CXX=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
-	  fi
-	  output_verbose_link_cmd=func_echo_all
-	else
-	  ld_shlibs_CXX=no
-	fi
-	;;
-
-      osf3* | osf4* | osf5*)
-        case $cc_basename in
-          KCC*)
-	    # Kuck and Associates, Inc. (KAI) C++ Compiler
-
-	    # KCC will only create a shared library if the output file
-	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
-	    # to its proper name (with version) after linking.
-	    archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/$^()0-9A-Za-z{}$/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
-
-	    hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
-	    hardcode_libdir_separator_CXX=:
-
-	    # Archives containing C++ object files must be created using
-	    # the KAI C++ compiler.
-	    case $host in
-	      osf3*) old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' ;;
-	      *) old_archive_cmds_CXX='$CC -o $oldlib $oldobjs' ;;
-	    esac
-	    ;;
-          RCC*)
-	    # Rational C++ 2.4.1
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-          cxx*)
-	    case $host in
-	      osf3*)
-	        allow_undefined_flag_CXX=' $wl-expect_unresolved $wl\*'
-	        archive_cmds_CXX='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	        hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
-		;;
-	      *)
-	        allow_undefined_flag_CXX=' -expect_unresolved \*'
-	        archive_cmds_CXX='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	        archive_expsym_cmds_CXX='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
-                  echo "-hidden">> $lib.exp~
-                  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp  `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~
-                  $RM $lib.exp'
-	        hardcode_libdir_flag_spec_CXX='-rpath $libdir'
-		;;
-	    esac
-
-	    hardcode_libdir_separator_CXX=:
-
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/$^.*ld.*$$ .*ld.*$$/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-	    ;;
-	  *)
-	    if test yes,no = "$GXX,$with_gnu_ld"; then
-	      allow_undefined_flag_CXX=' $wl-expect_unresolved $wl\*'
-	      case $host in
-	        osf3*)
-	          archive_cmds_CXX='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-		  ;;
-	        *)
-	          archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-		  ;;
-	      esac
-
-	      hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
-	      hardcode_libdir_separator_CXX=:
-
-	      # Commands to make compiler produce verbose output that lists
-	      # what "hidden" libraries, object files and flags are used when
-	      # linking a shared library.
-	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-
-	    else
-	      # FIXME: insert proper C++ library support
-	      ld_shlibs_CXX=no
-	    fi
-	    ;;
-        esac
-        ;;
-
-      psos*)
-        # FIXME: insert proper C++ library support
-        ld_shlibs_CXX=no
-        ;;
-
-      sunos4*)
-        case $cc_basename in
-          CC*)
-	    # Sun C++ 4.x
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-          lcc*)
-	    # Lucid
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-          *)
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-        esac
-        ;;
-
-      solaris*)
-        case $cc_basename in
-          CC* | sunCC*)
-	    # Sun C++ 4.2, 5.x and Centerline C++
-            archive_cmds_need_lc_CXX=yes
-	    no_undefined_flag_CXX=' -zdefs'
-	    archive_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	    archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-              $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
-	    hardcode_libdir_flag_spec_CXX='-R$libdir'
-	    hardcode_shlibpath_var_CXX=no
-	    case $host_os in
-	      solaris2.0-5 | solaris2.0-5.*) ;;
-	      *)
-		# The compiler driver will combine and reorder linker options,
-		# but understands '-z linker_flag'.
-	        # Supported since Solaris 2.6 (maybe 2.5.1?)
-		whole_archive_flag_spec_CXX='-z allextract$convenience -z defaultextract'
-	        ;;
-	    esac
-	    link_all_deplibs_CXX=yes
-
-	    output_verbose_link_cmd='func_echo_all'
-
-	    # Archives containing C++ object files must be created using
-	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
-	    # necessary to make sure instantiated templates are included
-	    # in the archive.
-	    old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs'
-	    ;;
-          gcx*)
-	    # Green Hills C++ Compiler
-	    archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
-
-	    # The C++ compiler must be used to create the archive.
-	    old_archive_cmds_CXX='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
-	    ;;
-          *)
-	    # GNU C++ compiler with Solaris linker
-	    if test yes,no = "$GXX,$with_gnu_ld"; then
-	      no_undefined_flag_CXX=' $wl-z ${wl}defs'
-	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
-	        archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
-	        archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-                  $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
-	        # Commands to make compiler produce verbose output that lists
-	        # what "hidden" libraries, object files and flags are used when
-	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-	      else
-	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
-	        # platform.
-	        archive_cmds_CXX='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
-	        archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-                  $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
-	        # Commands to make compiler produce verbose output that lists
-	        # what "hidden" libraries, object files and flags are used when
-	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-	      fi
-
-	      hardcode_libdir_flag_spec_CXX='$wl-R $wl$libdir'
-	      case $host_os in
-		solaris2.0-5 | solaris2.0-5.*) ;;
-		*)
-		  whole_archive_flag_spec_CXX='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
-		  ;;
-	      esac
-	    fi
-	    ;;
-        esac
-        ;;
-
-    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.01.10* | unixware7* | sco3.2v5.0.024*)
-      no_undefined_flag_CXX='$wl-z,text'
-      archive_cmds_need_lc_CXX=no
-      hardcode_shlibpath_var_CXX=no
-      runpath_var='LD_RUN_PATH'
-
-      case $cc_basename in
-        CC*)
-	  archive_cmds_CXX='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  archive_expsym_cmds_CXX='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	*)
-	  archive_cmds_CXX='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  archive_expsym_cmds_CXX='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-      esac
-      ;;
-
-      sysv5* | sco3.2v5* | sco5v6*)
-	# Note: We CANNOT use -z defs as we might desire, because we do not
-	# link with -lc, and that would cause any symbols used from libc to
-	# always be unresolved, which means just about no library would
-	# ever link correctly.  If we're not using GNU ld we use -z text
-	# though, which does catch some bad symbols but isn't as heavy-handed
-	# as -z defs.
-	no_undefined_flag_CXX='$wl-z,text'
-	allow_undefined_flag_CXX='$wl-z,nodefs'
-	archive_cmds_need_lc_CXX=no
-	hardcode_shlibpath_var_CXX=no
-	hardcode_libdir_flag_spec_CXX='$wl-R,$libdir'
-	hardcode_libdir_separator_CXX=':'
-	link_all_deplibs_CXX=yes
-	export_dynamic_flag_spec_CXX='$wl-Bexport'
-	runpath_var='LD_RUN_PATH'
-
-	case $cc_basename in
-          CC*)
-	    archive_cmds_CXX='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    archive_expsym_cmds_CXX='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    old_archive_cmds_CXX='$CC -Tprelink_objects $oldobjs~
-              '"$old_archive_cmds_CXX"
-	    reload_cmds_CXX='$CC -Tprelink_objects $reload_objs~
-              '"$reload_cmds_CXX"
-	    ;;
-	  *)
-	    archive_cmds_CXX='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    archive_expsym_cmds_CXX='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    ;;
-	esac
-      ;;
-
-      tandem*)
-        case $cc_basename in
-          NCC*)
-	    # NonStop-UX NCC 3.20
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-          *)
-	    # FIXME: insert proper C++ library support
-	    ld_shlibs_CXX=no
-	    ;;
-        esac
-        ;;
-
-      vxworks*)
-        # FIXME: insert proper C++ library support
-        ld_shlibs_CXX=no
-        ;;
-
-      *)
-        # FIXME: insert proper C++ library support
-        ld_shlibs_CXX=no
-        ;;
-    esac
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5
-$as_echo "$ld_shlibs_CXX" >&6; }
-    test no = "$ld_shlibs_CXX" && can_build_shared=no
-
-    GCC_CXX=$GXX
-    LD_CXX=$LD
-
-    ## CAVEAT EMPTOR:
-    ## There is no encapsulation within the following macros, do not change
-    ## the running order or otherwise move them around unless you know exactly
-    ## what you are doing...
-    # Dependencies to place before and after the object being linked:
-predep_objects_CXX=
-postdep_objects_CXX=
-predeps_CXX=
-postdeps_CXX=
-compiler_lib_search_path_CXX=
-
-cat > conftest.$ac_ext <<_LT_EOF
-class Foo
-{
-public:
-  Foo (void) { a = 0; }
-private:
-  int a;
-};
-_LT_EOF
-
-
-_lt_libdeps_save_CFLAGS=$CFLAGS
-case "$CC $CFLAGS " in #(
-*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
-*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
-*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
-esac
-
-if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then
-  # Parse the compiler output and extract the necessary
-  # objects, libraries and library flags.
-
-  # Sentinel used to keep track of whether or not we are before
-  # the conftest object file.
-  pre_test_object_deps_done=no
-
-  for p in `eval "$output_verbose_link_cmd"`; do
-    case $prev$p in
-
-    -L* | -R* | -l*)
-       # Some compilers place space between "-{L,R}" and the path.
-       # Remove the space.
-       if test x-L = "$p" ||
-          test x-R = "$p"; then
-	 prev=$p
-	 continue
-       fi
-
-       # Expand the sysroot to ease extracting the directories later.
-       if test -z "$prev"; then
-         case $p in
-         -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
-         -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
-         -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
-         esac
-       fi
-       case $p in
-       =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
-       esac
-       if test no = "$pre_test_object_deps_done"; then
-	 case $prev in
-	 -L | -R)
-	   # Internal compiler library paths should come after those
-	   # provided the user.  The postdeps already come after the
-	   # user supplied libs so there is no need to process them.
-	   if test -z "$compiler_lib_search_path_CXX"; then
-	     compiler_lib_search_path_CXX=$prev$p
-	   else
-	     compiler_lib_search_path_CXX="${compiler_lib_search_path_CXX} $prev$p"
-	   fi
-	   ;;
-	 # The "-l" case would never come before the object being
-	 # linked, so don't bother handling this case.
-	 esac
-       else
-	 if test -z "$postdeps_CXX"; then
-	   postdeps_CXX=$prev$p
-	 else
-	   postdeps_CXX="${postdeps_CXX} $prev$p"
-	 fi
-       fi
-       prev=
-       ;;
-
-    *.lto.$objext) ;; # Ignore GCC LTO objects
-    *.$objext)
-       # This assumes that the test object file only shows up
-       # once in the compiler output.
-       if test "$p" = "conftest.$objext"; then
-	 pre_test_object_deps_done=yes
-	 continue
-       fi
-
-       if test no = "$pre_test_object_deps_done"; then
-	 if test -z "$predep_objects_CXX"; then
-	   predep_objects_CXX=$p
-	 else
-	   predep_objects_CXX="$predep_objects_CXX $p"
-	 fi
-       else
-	 if test -z "$postdep_objects_CXX"; then
-	   postdep_objects_CXX=$p
-	 else
-	   postdep_objects_CXX="$postdep_objects_CXX $p"
-	 fi
-       fi
-       ;;
-
-    *) ;; # Ignore the rest.
-
-    esac
-  done
-
-  # Clean up.
-  rm -f a.out a.exe
-else
-  echo "libtool.m4: error: problem compiling CXX test program"
-fi
-
-$RM -f confest.$objext
-CFLAGS=$_lt_libdeps_save_CFLAGS
-
-# PORTME: override above test on systems where it is broken
-case $host_os in
-interix3-9*)
-  # Interix 3.5 installs completely hosed .la files for C++, so rather than
-  # hack all around it, let's just trust "g++" to DTRT.
-  predep_objects_CXX=
-  postdep_objects_CXX=
-  postdeps_CXX=
-  ;;
-esac
-
-
-case " $postdeps_CXX " in
-*" -lc "*) archive_cmds_need_lc_CXX=no ;;
-esac
- compiler_lib_search_dirs_CXX=
-if test -n "${compiler_lib_search_path_CXX}"; then
- compiler_lib_search_dirs_CXX=`echo " ${compiler_lib_search_path_CXX}" | $SED -e 's! -L! !g' -e 's!^ !!'`
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-    lt_prog_compiler_wl_CXX=
-lt_prog_compiler_pic_CXX=
-lt_prog_compiler_static_CXX=
-
-
-  # C++ specific cases for pic, static, wl, etc.
-  if test yes = "$GXX"; then
-    lt_prog_compiler_wl_CXX='-Wl,'
-    lt_prog_compiler_static_CXX='-static'
-
-    case $host_os in
-    aix*)
-      # All AIX code is PIC.
-      if test ia64 = "$host_cpu"; then
-	# AIX 5 now supports IA64 processor
-	lt_prog_compiler_static_CXX='-Bstatic'
-      fi
-      lt_prog_compiler_pic_CXX='-fPIC'
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            lt_prog_compiler_pic_CXX='-fPIC'
-        ;;
-      m68k)
-            # FIXME: we need at least 68020 code to build shared libraries, but
-            # adding the '-m68020' flag to GCC prevents building anything better,
-            # like '-m68040'.
-            lt_prog_compiler_pic_CXX='-m68020 -resident32 -malways-restore-a4'
-        ;;
-      esac
-      ;;
-
-    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
-      # PIC is the default for these OSes.
-      ;;
-    mingw* | cygwin* | os2* | pw32* | cegcc*)
-      # This hack is so that the source file can tell whether it is being
-      # built for inclusion in a dll (and should export symbols for example).
-      # Although the cygwin gcc ignores -fPIC, still need this for old-style
-      # (--disable-auto-import) libraries
-      lt_prog_compiler_pic_CXX='-DDLL_EXPORT'
-      case $host_os in
-      os2*)
-	lt_prog_compiler_static_CXX='$wl-static'
-	;;
-      esac
-      ;;
-    darwin* | rhapsody*)
-      # PIC is the default on this platform
-      # Common symbols not allowed in MH_DYLIB files
-      lt_prog_compiler_pic_CXX='-fno-common'
-      ;;
-    *djgpp*)
-      # DJGPP does not support shared libraries at all
-      lt_prog_compiler_pic_CXX=
-      ;;
-    haiku*)
-      # PIC is the default for Haiku.
-      # The "-static" flag exists, but is broken.
-      lt_prog_compiler_static_CXX=
-      ;;
-    interix3-9*)
-      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
-      # Instead, we relocate shared libraries at runtime.
-      ;;
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	lt_prog_compiler_pic_CXX=-Kconform_pic
-      fi
-      ;;
-    hpux*)
-      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
-      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
-      # sets the default TLS model and affects inlining.
-      case $host_cpu in
-      hppa*64*)
-	;;
-      *)
-	lt_prog_compiler_pic_CXX='-fPIC'
-	;;
-      esac
-      ;;
-    *qnx* | *nto*)
-      # QNX uses GNU C++, but need to define -shared option too, otherwise
-      # it will coredump.
-      lt_prog_compiler_pic_CXX='-fPIC -shared'
-      ;;
-    *)
-      lt_prog_compiler_pic_CXX='-fPIC'
-      ;;
-    esac
-  else
-    case $host_os in
-      aix4-9*)
-	# All AIX code is PIC.
-	if test ia64 = "$host_cpu"; then
-	  # AIX 5 now supports IA64 processor
-	  lt_prog_compiler_static_CXX='-Bstatic'
-	else
-	  lt_prog_compiler_static_CXX='-bnso -bI:/lib/syscalls.exp'
-	fi
-	;;
-      chorus*)
-	case $cc_basename in
-	cxch68*)
-	  # Green Hills C++ Compiler
-	  # _LT_TAGVAR(lt_prog_compiler_static, CXX)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
-	  ;;
-	esac
-	;;
-      mingw* | cygwin* | os2* | pw32* | cegcc*)
-	# This hack is so that the source file can tell whether it is being
-	# built for inclusion in a dll (and should export symbols for example).
-	lt_prog_compiler_pic_CXX='-DDLL_EXPORT'
-	;;
-      dgux*)
-	case $cc_basename in
-	  ec++*)
-	    lt_prog_compiler_pic_CXX='-KPIC'
-	    ;;
-	  ghcx*)
-	    # Green Hills C++ Compiler
-	    lt_prog_compiler_pic_CXX='-pic'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      freebsd* | dragonfly*)
-	# FreeBSD uses GNU C++
-	;;
-      hpux9* | hpux10* | hpux11*)
-	case $cc_basename in
-	  CC*)
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_static_CXX='$wl-a ${wl}archive'
-	    if test ia64 != "$host_cpu"; then
-	      lt_prog_compiler_pic_CXX='+Z'
-	    fi
-	    ;;
-	  aCC*)
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_static_CXX='$wl-a ${wl}archive'
-	    case $host_cpu in
-	    hppa*64*|ia64*)
-	      # +Z the default
-	      ;;
-	    *)
-	      lt_prog_compiler_pic_CXX='+Z'
-	      ;;
-	    esac
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      interix*)
-	# This is c89, which is MS Visual C++ (no shared libs)
-	# Anyone wants to do a port?
-	;;
-      irix5* | irix6* | nonstopux*)
-	case $cc_basename in
-	  CC*)
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_static_CXX='-non_shared'
-	    # CC pic flag -KPIC is the default.
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-	case $cc_basename in
-	  KCC*)
-	    # KAI C++ Compiler
-	    lt_prog_compiler_wl_CXX='--backend -Wl,'
-	    lt_prog_compiler_pic_CXX='-fPIC'
-	    ;;
-	  ecpc* )
-	    # old Intel C++ for x86_64, which still supported -KPIC.
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_pic_CXX='-KPIC'
-	    lt_prog_compiler_static_CXX='-static'
-	    ;;
-	  icpc* )
-	    # Intel C++, used to be incompatible with GCC.
-	    # ICC 10 doesn't accept -KPIC any more.
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_pic_CXX='-fPIC'
-	    lt_prog_compiler_static_CXX='-static'
-	    ;;
-	  pgCC* | pgcpp*)
-	    # Portland Group C++ compiler
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_pic_CXX='-fpic'
-	    lt_prog_compiler_static_CXX='-Bstatic'
-	    ;;
-	  cxx*)
-	    # Compaq C++
-	    # Make sure the PIC flag is empty.  It appears that all Alpha
-	    # Linux and Compaq Tru64 Unix objects are PIC.
-	    lt_prog_compiler_pic_CXX=
-	    lt_prog_compiler_static_CXX='-non_shared'
-	    ;;
-	  xlc* | xlC* | bgxlcC* | mpixlcC*)
-	    # IBM XL 8.0, 9.0 on PPC and BlueGene
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_pic_CXX='-qpic'
-	    lt_prog_compiler_static_CXX='-qstaticlink'
-	    ;;
-	  *)
-	    case `$CC -V 2>&1 | sed 5q` in
-	    *Sun\ C*)
-	      # Sun C++ 5.9
-	      lt_prog_compiler_pic_CXX='-KPIC'
-	      lt_prog_compiler_static_CXX='-Bstatic'
-	      lt_prog_compiler_wl_CXX='-Qoption ld '
-	      ;;
-	    esac
-	    ;;
-	esac
-	;;
-      lynxos*)
-	;;
-      m88k*)
-	;;
-      mvs*)
-	case $cc_basename in
-	  cxx*)
-	    lt_prog_compiler_pic_CXX='-W c,exportall'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      netbsd* | netbsdelf*-gnu)
-	;;
-      *qnx* | *nto*)
-        # QNX uses GNU C++, but need to define -shared option too, otherwise
-        # it will coredump.
-        lt_prog_compiler_pic_CXX='-fPIC -shared'
-        ;;
-      osf3* | osf4* | osf5*)
-	case $cc_basename in
-	  KCC*)
-	    lt_prog_compiler_wl_CXX='--backend -Wl,'
-	    ;;
-	  RCC*)
-	    # Rational C++ 2.4.1
-	    lt_prog_compiler_pic_CXX='-pic'
-	    ;;
-	  cxx*)
-	    # Digital/Compaq C++
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    # Make sure the PIC flag is empty.  It appears that all Alpha
-	    # Linux and Compaq Tru64 Unix objects are PIC.
-	    lt_prog_compiler_pic_CXX=
-	    lt_prog_compiler_static_CXX='-non_shared'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      psos*)
-	;;
-      solaris*)
-	case $cc_basename in
-	  CC* | sunCC*)
-	    # Sun C++ 4.2, 5.x and Centerline C++
-	    lt_prog_compiler_pic_CXX='-KPIC'
-	    lt_prog_compiler_static_CXX='-Bstatic'
-	    lt_prog_compiler_wl_CXX='-Qoption ld '
-	    ;;
-	  gcx*)
-	    # Green Hills C++ Compiler
-	    lt_prog_compiler_pic_CXX='-PIC'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      sunos4*)
-	case $cc_basename in
-	  CC*)
-	    # Sun C++ 4.x
-	    lt_prog_compiler_pic_CXX='-pic'
-	    lt_prog_compiler_static_CXX='-Bstatic'
-	    ;;
-	  lcc*)
-	    # Lucid
-	    lt_prog_compiler_pic_CXX='-pic'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
-	case $cc_basename in
-	  CC*)
-	    lt_prog_compiler_wl_CXX='-Wl,'
-	    lt_prog_compiler_pic_CXX='-KPIC'
-	    lt_prog_compiler_static_CXX='-Bstatic'
-	    ;;
-	esac
-	;;
-      tandem*)
-	case $cc_basename in
-	  NCC*)
-	    # NonStop-UX NCC 3.20
-	    lt_prog_compiler_pic_CXX='-KPIC'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      vxworks*)
-	;;
-      *)
-	lt_prog_compiler_can_build_shared_CXX=no
-	;;
-    esac
-  fi
-
-case $host_os in
-  # For platforms that do not support PIC, -DPIC is meaningless:
-  *djgpp*)
-    lt_prog_compiler_pic_CXX=
-    ;;
-  *)
-    lt_prog_compiler_pic_CXX="$lt_prog_compiler_pic_CXX -DPIC"
-    ;;
-esac
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
-$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
-if ${lt_cv_prog_compiler_pic_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_pic_CXX=$lt_prog_compiler_pic_CXX
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_pic_CXX" >&6; }
-lt_prog_compiler_pic_CXX=$lt_cv_prog_compiler_pic_CXX
-
-#
-# Check to make sure the PIC flag actually works.
-#
-if test -n "$lt_prog_compiler_pic_CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5
-$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... " >&6; }
-if ${lt_cv_prog_compiler_pic_works_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_pic_works_CXX=no
-   ac_outfile=conftest.$ac_objext
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-   lt_compiler_flag="$lt_prog_compiler_pic_CXX -DPIC"  ## exclude from sc_useless_quotes_in_assignment
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   # The option is referenced via a variable to avoid confusing sed.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
-   (eval "$lt_compile" 2>conftest.err)
-   ac_status=$?
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   if (exit $ac_status) && test -s "$ac_outfile"; then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings other than the usual output.
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
-     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
-       lt_cv_prog_compiler_pic_works_CXX=yes
-     fi
-   fi
-   $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_pic_works_CXX" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_pic_works_CXX"; then
-    case $lt_prog_compiler_pic_CXX in
-     "" | " "*) ;;
-     *) lt_prog_compiler_pic_CXX=" $lt_prog_compiler_pic_CXX" ;;
-     esac
-else
-    lt_prog_compiler_pic_CXX=
-     lt_prog_compiler_can_build_shared_CXX=no
-fi
-
-fi
-
-
-
-
-
-#
-# Check to make sure the static flag actually works.
-#
-wl=$lt_prog_compiler_wl_CXX eval lt_tmp_static_flag=\"$lt_prog_compiler_static_CXX\"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
-$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
-if ${lt_cv_prog_compiler_static_works_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_static_works_CXX=no
-   save_LDFLAGS=$LDFLAGS
-   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
-   echo "$lt_simple_link_test_code" > conftest.$ac_ext
-   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
-     # The linker can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     if test -s conftest.err; then
-       # Append any errors to the config.log.
-       cat conftest.err 1>&5
-       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
-       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-       if diff conftest.exp conftest.er2 >/dev/null; then
-         lt_cv_prog_compiler_static_works_CXX=yes
-       fi
-     else
-       lt_cv_prog_compiler_static_works_CXX=yes
-     fi
-   fi
-   $RM -r conftest*
-   LDFLAGS=$save_LDFLAGS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_static_works_CXX" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_static_works_CXX"; then
-    :
-else
-    lt_prog_compiler_static_CXX=
-fi
-
-
-
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_c_o_CXX=no
-   $RM -r conftest 2>/dev/null
-   mkdir conftest
-   cd conftest
-   mkdir out
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-   lt_compiler_flag="-o out/conftest2.$ac_objext"
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
-   (eval "$lt_compile" 2>out/conftest.err)
-   ac_status=$?
-   cat out/conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   if (exit $ac_status) && test -s out/conftest2.$ac_objext
-   then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
-     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
-     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
-       lt_cv_prog_compiler_c_o_CXX=yes
-     fi
-   fi
-   chmod u+w . 2>&5
-   $RM conftest*
-   # SGI C++ compiler will create directory out/ii_files/ for
-   # template instantiation
-   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
-   $RM out/* && rmdir out
-   cd ..
-   $RM -r conftest
-   $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_c_o_CXX" >&6; }
-
-
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_prog_compiler_c_o_CXX=no
-   $RM -r conftest 2>/dev/null
-   mkdir conftest
-   cd conftest
-   mkdir out
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-   lt_compiler_flag="-o out/conftest2.$ac_objext"
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
-   (eval "$lt_compile" 2>out/conftest.err)
-   ac_status=$?
-   cat out/conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   if (exit $ac_status) && test -s out/conftest2.$ac_objext
-   then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
-     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
-     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
-       lt_cv_prog_compiler_c_o_CXX=yes
-     fi
-   fi
-   chmod u+w . 2>&5
-   $RM conftest*
-   # SGI C++ compiler will create directory out/ii_files/ for
-   # template instantiation
-   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
-   $RM out/* && rmdir out
-   cd ..
-   $RM -r conftest
-   $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_c_o_CXX" >&6; }
-
-
-
-
-hard_links=nottested
-if test no = "$lt_cv_prog_compiler_c_o_CXX" && test no != "$need_locks"; then
-  # do not overwrite the value of need_locks provided by the user
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
-$as_echo_n "checking if we can lock with hard links... " >&6; }
-  hard_links=yes
-  $RM conftest*
-  ln conftest.a conftest.b 2>/dev/null && hard_links=no
-  touch conftest.a
-  ln conftest.a conftest.b 2>&5 || hard_links=no
-  ln conftest.a conftest.b 2>/dev/null && hard_links=no
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
-$as_echo "$hard_links" >&6; }
-  if test no = "$hard_links"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
-$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;}
-    need_locks=warn
-  fi
-else
-  need_locks=no
-fi
-
-
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
-$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
-
-  export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
-  exclude_expsyms_CXX='_GLOBAL_OFFSET_TABLE_|_GLOBAL__FID_.*'
-  case $host_os in
-  aix4-9*)
-    # If we're using GNU nm, then we don't want the "-C" option.
-    # -C means demangle to GNU nm, but means don't demangle to AIX nm.
-    # Without the "-l" option, or with the "-B" option, AIX nm treats
-    # weak defined symbols like other global defined symbols, whereas
-    # GNU nm marks them as "W".
-    # While the 'weak' keyword is ignored in the Export File, we need
-    # it in the Import File for the 'aix-soname' feature, so we have
-    # to replace the "-B" option with "-P" for AIX nm.
-    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
-      export_symbols_cmds_CXX='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
-    else
-      export_symbols_cmds_CXX='`func_echo_all $NM | $SED -e '\''s/B$^B*$$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
-    fi
-    ;;
-  pw32*)
-    export_symbols_cmds_CXX=$ltdll_cmds
-    ;;
-  cygwin* | mingw* | cegcc*)
-    case $cc_basename in
-    cl*)
-      exclude_expsyms_CXX='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
-      ;;
-    *)
-      export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^BCDGRS /s/.* $^ *$/\1 DATA/;s/^.* __nm__$^ *$ ^ */\1 DATA/;/^I /d;/^AITW /s/.* //'\'' | sort | uniq > $export_symbols'
-      exclude_expsyms_CXX='_+GLOBAL_OFFSET_TABLE_|_+GLOBAL__FID_.*|_+head_A-Za-z0-9_+_dll|A-Za-z0-9_+_dll_iname'
-      ;;
-    esac
-    ;;
-  linux* | k*bsd*-gnu | gnu*)
-    link_all_deplibs_CXX=no
-    ;;
-  *)
-    export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
-    ;;
-  esac
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5
-$as_echo "$ld_shlibs_CXX" >&6; }
-test no = "$ld_shlibs_CXX" && can_build_shared=no
-
-with_gnu_ld_CXX=$with_gnu_ld
-
-
-
-
-
-
-#
-# Do we need to explicitly link libc?
-#
-case "x$archive_cmds_need_lc_CXX" in
-x|xyes)
-  # Assume -lc should be added
-  archive_cmds_need_lc_CXX=yes
-
-  if test yes,yes = "$GCC,$enable_shared"; then
-    case $archive_cmds_CXX in
-    *'~'*)
-      # FIXME: we may have to deal with multi-command sequences.
-      ;;
-    '$CC '*)
-      # Test whether the compiler implicitly links with -lc since on some
-      # systems, -lgcc has to come before -lc. If gcc already passes -lc
-      # to ld, don't add -lc before -lgcc.
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
-$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
-if ${lt_cv_archive_cmds_need_lc_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  $RM conftest*
-	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } 2>conftest.err; then
-	  soname=conftest
-	  lib=conftest
-	  libobjs=conftest.$ac_objext
-	  deplibs=
-	  wl=$lt_prog_compiler_wl_CXX
-	  pic_flag=$lt_prog_compiler_pic_CXX
-	  compiler_flags=-v
-	  linker_flags=-v
-	  verstring=
-	  output_objdir=.
-	  libname=conftest
-	  lt_save_allow_undefined_flag=$allow_undefined_flag_CXX
-	  allow_undefined_flag_CXX=
-	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
-  (eval $archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-	  then
-	    lt_cv_archive_cmds_need_lc_CXX=no
-	  else
-	    lt_cv_archive_cmds_need_lc_CXX=yes
-	  fi
-	  allow_undefined_flag_CXX=$lt_save_allow_undefined_flag
-	else
-	  cat conftest.err 1>&5
-	fi
-	$RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc_CXX" >&5
-$as_echo "$lt_cv_archive_cmds_need_lc_CXX" >&6; }
-      archive_cmds_need_lc_CXX=$lt_cv_archive_cmds_need_lc_CXX
-      ;;
-    esac
-  fi
-  ;;
-esac
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
-$as_echo_n "checking dynamic linker characteristics... " >&6; }
-
-library_names_spec=
-libname_spec='lib$name'
-soname_spec=
-shrext_cmds=.so
-postinstall_cmds=
-postuninstall_cmds=
-finish_cmds=
-finish_eval=
-shlibpath_var=
-shlibpath_overrides_runpath=unknown
-version_type=none
-dynamic_linker="$host_os ld.so"
-sys_lib_dlsearch_path_spec="/lib /usr/lib"
-need_lib_prefix=unknown
-hardcode_into_libs=no
-
-# when you set need_version to no, make sure it does not cause -set_version
-# flags to be left without arguments
-need_version=unknown
-
-
-
-case $host_os in
-aix3*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
-  shlibpath_var=LIBPATH
-
-  # AIX 3 has no versioning support, so we append a major version to the name.
-  soname_spec='$libname$release$shared_ext$major'
-  ;;
-
-aix4-9*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  hardcode_into_libs=yes
-  if test ia64 = "$host_cpu"; then
-    # AIX 5 supports IA64
-    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
-    shlibpath_var=LD_LIBRARY_PATH
-  else
-    # With GCC up to 2.95.x, collect2 would create an import file
-    # for dependence libraries.  The import file would start with
-    # the line '#! .'.  This would cause the generated library to
-    # depend on '.', always an invalid library.  This was fixed in
-    # development snapshots of GCC prior to 3.0.
-    case $host_os in
-      aix4 | aix4.01 | aix4.01.*)
-      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
-	   echo ' yes '
-	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
-	:
-      else
-	can_build_shared=no
-      fi
-      ;;
-    esac
-    # Using Import Files as archive members, it is possible to support
-    # filename-based versioning of shared library archives on AIX. While
-    # this would work for both with and without runtime linking, it will
-    # prevent static linking of such archives. So we do filename-based
-    # shared library versioning with .so extension only, which is used
-    # when both runtime linking and shared linking is enabled.
-    # Unfortunately, runtime linking may impact performance, so we do
-    # not want this to be the default eventually. Also, we use the
-    # versioned .so libs for executables only if there is the -brtl
-    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
-    # To allow for filename-based versioning support, we need to create
-    # libNAME.so.V as an archive file, containing:
-    # *) an Import File, referring to the versioned filename of the
-    #    archive as well as the shared archive member, telling the
-    #    bitwidth (32 or 64) of that shared object, and providing the
-    #    list of exported symbols of that shared object, eventually
-    #    decorated with the 'weak' keyword
-    # *) the shared object with the F_LOADONLY flag set, to really avoid
-    #    it being seen by the linker.
-    # At run time we better use the real file rather than another symlink,
-    # but for link time we create the symlink libNAME.so -> libNAME.so.V
-
-    case $with_aix_soname,$aix_use_runtimelinking in
-    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
-    # soname into executable. Probably we can add versioning support to
-    # collect2, so additional links can be useful in future.
-    aix,yes) # traditional libtool
-      dynamic_linker='AIX unversionable lib.so'
-      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
-      # instead of lib<name>.a to let people know that these are not
-      # typical AIX shared libraries.
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-      ;;
-    aix,no) # traditional AIX only
-      dynamic_linker='AIX lib.a(lib.so.V)'
-      # We preserve .a as extension for shared libraries through AIX4.2
-      # and later when we are not doing run time linking.
-      library_names_spec='$libname$release.a $libname.a'
-      soname_spec='$libname$release$shared_ext$major'
-      ;;
-    svr4,*) # full svr4 only
-      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
-      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
-      # We do not specify a path in Import Files, so LIBPATH fires.
-      shlibpath_overrides_runpath=yes
-      ;;
-    *,yes) # both, prefer svr4
-      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
-      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
-      # unpreferred sharedlib libNAME.a needs extra handling
-      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
-      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
-      # We do not specify a path in Import Files, so LIBPATH fires.
-      shlibpath_overrides_runpath=yes
-      ;;
-    *,no) # both, prefer aix
-      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
-      library_names_spec='$libname$release.a $libname.a'
-      soname_spec='$libname$release$shared_ext$major'
-      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
-      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
-      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
-      ;;
-    esac
-    shlibpath_var=LIBPATH
-  fi
-  ;;
-
-amigaos*)
-  case $host_cpu in
-  powerpc)
-    # Since July 2007 AmigaOS4 officially supports .so libraries.
-    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    ;;
-  m68k)
-    library_names_spec='$libname.ixlibrary $libname.a'
-    # Create ${libname}_ixlibrary.a entries in /sys/libs.
-    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/$^/*$\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
-    ;;
-  esac
-  ;;
-
-beos*)
-  library_names_spec='$libname$shared_ext'
-  dynamic_linker="$host_os ld.so"
-  shlibpath_var=LIBRARY_PATH
-  ;;
-
-bsdi45*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
-  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
-  # the default ld.so.conf also contains /usr/contrib/lib and
-  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
-  # libtool to hard-code these into programs
-  ;;
-
-cygwin* | mingw* | pw32* | cegcc*)
-  version_type=windows
-  shrext_cmds=.dll
-  need_version=no
-  need_lib_prefix=no
-
-  case $GCC,$cc_basename in
-  yes,*)
-    # gcc
-    library_names_spec='$libname.dll.a'
-    # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \$file`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
-      dldir=$destdir/`dirname \$dlpath`~
-      test -d \$dldir || mkdir -p \$dldir~
-      $install_prog $dir/$dlname \$dldir/$dlname~
-      chmod a+x \$dldir/$dlname~
-      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
-        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
-      fi'
-    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
-      dlpath=$dir/\$dldll~
-       $RM \$dlpath'
-    shlibpath_overrides_runpath=yes
-
-    case $host_os in
-    cygwin*)
-      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
-      soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-
-      ;;
-    mingw* | cegcc*)
-      # MinGW DLLs use traditional 'lib' prefix
-      soname_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-      ;;
-    pw32*)
-      # pw32 DLLs use 'pw' prefix rather than 'lib'
-      library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-      ;;
-    esac
-    dynamic_linker='Win32 ld.exe'
-    ;;
-
-  *,cl*)
-    # Native MSVC
-    libname_spec='$name'
-    soname_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-    library_names_spec='$libname.dll.lib'
-
-    case $build_os in
-    mingw*)
-      sys_lib_search_path_spec=
-      lt_save_ifs=$IFS
-      IFS=';'
-      for lt_path in $LIB
-      do
-        IFS=$lt_save_ifs
-        # Let DOS variable expansion print the short 8.3 style file name.
-        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
-        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
-      done
-      IFS=$lt_save_ifs
-      # Convert to MSYS style.
-      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \$a-zA-Z\$:| /\\1|g' -e 's|^ ||'`
-      ;;
-    cygwin*)
-      # Convert to unix form, then to dos form, then back to unix form
-      # but this time dos style (no spaces!) so that the unix form looks
-      # like /cygdrive/c/PROGRA~1:/cygdr...
-      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
-      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
-      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
-      ;;
-    *)
-      sys_lib_search_path_spec=$LIB
-      if $ECHO "$sys_lib_search_path_spec" | $GREP ';c-zC-Z:/' >/dev/null; then
-        # It is most probably a Windows format PATH.
-        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
-      else
-        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
-      fi
-      # FIXME: find the short name or the path components, as spaces are
-      # common. (e.g. "Program Files" -> "PROGRA~1")
-      ;;
-    esac
-
-    # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \$file`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
-      dldir=$destdir/`dirname \$dlpath`~
-      test -d \$dldir || mkdir -p \$dldir~
-      $install_prog $dir/$dlname \$dldir/$dlname'
-    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
-      dlpath=$dir/\$dldll~
-       $RM \$dlpath'
-    shlibpath_overrides_runpath=yes
-    dynamic_linker='Win32 link.exe'
-    ;;
-
-  *)
-    # Assume MSVC wrapper
-    library_names_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext $libname.lib'
-    dynamic_linker='Win32 ld.exe'
-    ;;
-  esac
-  # FIXME: first we should search . and the directory the executable is in
-  shlibpath_var=PATH
-  ;;
-
-darwin* | rhapsody*)
-  dynamic_linker="$host_os dyld"
-  version_type=darwin
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
-  soname_spec='$libname$release$major$shared_ext'
-  shlibpath_overrides_runpath=yes
-  shlibpath_var=DYLD_LIBRARY_PATH
-  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
-
-  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
-  ;;
-
-dgux*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  ;;
-
-freebsd* | dragonfly*)
-  # DragonFly does not have aout.  When/if they implement a new
-  # versioning mechanism, adjust this.
-  if test -x /usr/bin/objformat; then
-    objformat=`/usr/bin/objformat`
-  else
-    case $host_os in
-    freebsd23.*) objformat=aout ;;
-    *) objformat=elf ;;
-    esac
-  fi
-  version_type=freebsd-$objformat
-  case $version_type in
-    freebsd-elf*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-      soname_spec='$libname$release$shared_ext$major'
-      need_version=no
-      need_lib_prefix=no
-      ;;
-    freebsd-*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-      need_version=yes
-      ;;
-  esac
-  shlibpath_var=LD_LIBRARY_PATH
-  case $host_os in
-  freebsd2.*)
-    shlibpath_overrides_runpath=yes
-    ;;
-  freebsd3.01* | freebsdelf3.01*)
-    shlibpath_overrides_runpath=yes
-    hardcode_into_libs=yes
-    ;;
-  freebsd3.2-9* | freebsdelf3.2-9* | \
-  freebsd4.0-5 | freebsdelf4.0-5 | freebsd4.1.1 | freebsdelf4.1.1)
-    shlibpath_overrides_runpath=no
-    hardcode_into_libs=yes
-    ;;
-  *) # from 4.6 on, and DragonFly
-    shlibpath_overrides_runpath=yes
-    hardcode_into_libs=yes
-    ;;
-  esac
-  ;;
-
-haiku*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  dynamic_linker="$host_os runtime_loader"
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
-  hardcode_into_libs=yes
-  ;;
-
-hpux9* | hpux10* | hpux11*)
-  # Give a soname corresponding to the major version so that dld.sl refuses to
-  # link against other versions.
-  version_type=sunos
-  need_lib_prefix=no
-  need_version=no
-  case $host_cpu in
-  ia64*)
-    shrext_cmds='.so'
-    hardcode_into_libs=yes
-    dynamic_linker="$host_os dld.so"
-    shlibpath_var=LD_LIBRARY_PATH
-    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    if test 32 = "$HPUX_IA64_MODE"; then
-      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
-      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
-    else
-      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
-      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
-    fi
-    ;;
-  hppa*64*)
-    shrext_cmds='.sl'
-    hardcode_into_libs=yes
-    dynamic_linker="$host_os dld.sl"
-    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
-    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-    ;;
-  *)
-    shrext_cmds='.sl'
-    dynamic_linker="$host_os dld.sl"
-    shlibpath_var=SHLIB_PATH
-    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    ;;
-  esac
-  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
-  postinstall_cmds='chmod 555 $lib'
-  # or fails outright, so override atomically:
-  install_override_mode=555
-  ;;
-
-interix3-9*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  ;;
-
-irix5* | irix6* | nonstopux*)
-  case $host_os in
-    nonstopux*) version_type=nonstopux ;;
-    *)
-	if test yes = "$lt_cv_prog_gnu_ld"; then
-		version_type=linux # correct to gnu/linux during the next big refactor
-	else
-		version_type=irix
-	fi ;;
-  esac
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='$libname$release$shared_ext$major'
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
-  case $host_os in
-  irix5* | nonstopux*)
-    libsuff= shlibsuff=
-    ;;
-  *)
-    case $LD in # libtool.m4 will add one of these switches to LD
-    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
-      libsuff= shlibsuff= libmagic=32-bit;;
-    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
-      libsuff=32 shlibsuff=N32 libmagic=N32;;
-    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
-      libsuff=64 shlibsuff=64 libmagic=64-bit;;
-    *) libsuff= shlibsuff= libmagic=never-match;;
-    esac
-    ;;
-  esac
-  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
-  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
-  hardcode_into_libs=yes
-  ;;
-
-# No shared lib support for Linux oldld, aout, or coff.
-linux*oldld* | linux*aout* | linux*coff*)
-  dynamic_linker=no
-  ;;
-
-linux*android*)
-  version_type=none # Android doesn't support versioned libraries.
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext'
-  soname_spec='$libname$release$shared_ext'
-  finish_cmds=
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-
-  # This implies no fast_install, which is unacceptable.
-  # Some rework will be needed to allow for fast_install
-  # before this can be enabled.
-  hardcode_into_libs=yes
-
-  dynamic_linker='Android linker'
-  # Don't embed -rpath directories since the linker doesn't support them.
-  hardcode_libdir_flag_spec_CXX='-L$libdir'
-  ;;
-
-# This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-
-  # Some binutils ld are patched to set DT_RUNPATH
-  if ${lt_cv_shlibpath_overrides_runpath+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  lt_cv_shlibpath_overrides_runpath=no
-    save_LDFLAGS=$LDFLAGS
-    save_libdir=$libdir
-    eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \
-	 LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_CXX\""
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then :
-  lt_cv_shlibpath_overrides_runpath=yes
-fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-    LDFLAGS=$save_LDFLAGS
-    libdir=$save_libdir
-
-fi
-
-  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
-
-  # This implies no fast_install, which is unacceptable.
-  # Some rework will be needed to allow for fast_install
-  # before this can be enabled.
-  hardcode_into_libs=yes
-
-  # Ideally, we could use ldconfig to report *all* directores which are
-  # searched for libraries, however this is still not possible.  Aside from not
-  # being certain /sbin/ldconfig is available, command
-  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
-  # even though it is searched at run-time.  Try to do the best guess by
-  # appending ld.so.conf contents (and includes) to the search path.
-  if test -f /etc/ld.so.conf; then
-    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^	 *hwcap	 /d;s/:,	/ /g;s/=^=*$//;s/=^= * / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
-  fi
-
-  # We used to test for /lib/ld.so.1 and disable shared libraries on
-  # powerpc, because MkLinux only supported shared libraries with the
-  # GNU dynamic linker.  Since this was broken with cross compilers,
-  # most powerpc-linux boxes support dynamic linking these days and
-  # people can always --disable-shared, the test was removed, and we
-  # assume the GNU/Linux dynamic linker is in use.
-  dynamic_linker='GNU/Linux ld.so'
-  ;;
-
-netbsdelf*-gnu)
-  version_type=linux
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  dynamic_linker='NetBSD ld.elf_so'
-  ;;
-
-netbsd*)
-  version_type=sunos
-  need_lib_prefix=no
-  need_version=no
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
-    dynamic_linker='NetBSD (a.out) ld.so'
-  else
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    dynamic_linker='NetBSD ld.elf_so'
-  fi
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  ;;
-
-newsos6)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  ;;
-
-*nto* | *qnx*)
-  version_type=qnx
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  dynamic_linker='ldqnx.so'
-  ;;
-
-openbsd* | bitrig*)
-  version_type=sunos
-  sys_lib_dlsearch_path_spec=/usr/lib
-  need_lib_prefix=no
-  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
-    need_version=no
-  else
-    need_version=yes
-  fi
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  ;;
-
-os2*)
-  libname_spec='$name'
-  version_type=windows
-  shrext_cmds=.dll
-  need_version=no
-  need_lib_prefix=no
-  # OS/2 can only load a DLL with a base name of 8 characters or less.
-  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
-    v=$($ECHO $release$versuffix | tr -d .-);
-    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
-    $ECHO $n$v`$shared_ext'
-  library_names_spec='${libname}_dll.$libext'
-  dynamic_linker='OS/2 ld.exe'
-  shlibpath_var=BEGINLIBPATH
-  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-  postinstall_cmds='base_file=`basename \$file`~
-    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
-    dldir=$destdir/`dirname \$dlpath`~
-    test -d \$dldir || mkdir -p \$dldir~
-    $install_prog $dir/$dlname \$dldir/$dlname~
-    chmod a+x \$dldir/$dlname~
-    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
-      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
-    fi'
-  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
-    dlpath=$dir/\$dldll~
-    $RM \$dlpath'
-  ;;
-
-osf3* | osf4* | osf5*)
-  version_type=osf
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='$libname$release$shared_ext$major'
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
-  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-  ;;
-
-rdos*)
-  dynamic_linker=no
-  ;;
-
-solaris*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  # ldd complains unless libraries are executable
-  postinstall_cmds='chmod +x $lib'
-  ;;
-
-sunos4*)
-  version_type=sunos
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  if test yes = "$with_gnu_ld"; then
-    need_lib_prefix=no
-  fi
-  need_version=yes
-  ;;
-
-sysv4 | sysv4.3*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  case $host_vendor in
-    sni)
-      shlibpath_overrides_runpath=no
-      need_lib_prefix=no
-      runpath_var=LD_RUN_PATH
-      ;;
-    siemens)
-      need_lib_prefix=no
-      ;;
-    motorola)
-      need_lib_prefix=no
-      need_version=no
-      shlibpath_overrides_runpath=no
-      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
-      ;;
-  esac
-  ;;
-
-sysv4*MP*)
-  if test -d /usr/nec; then
-    version_type=linux # correct to gnu/linux during the next big refactor
-    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
-    soname_spec='$libname$shared_ext.$major'
-    shlibpath_var=LD_LIBRARY_PATH
-  fi
-  ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  version_type=sco
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  if test yes = "$with_gnu_ld"; then
-    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
-  else
-    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
-    case $host_os in
-      sco3.2v5*)
-        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
-	;;
-    esac
-  fi
-  sys_lib_dlsearch_path_spec='/usr/lib'
-  ;;
-
-tpf*)
-  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  ;;
-
-uts4*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  ;;
-
-*)
-  dynamic_linker=no
-  ;;
-esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
-$as_echo "$dynamic_linker" >&6; }
-test no = "$dynamic_linker" && can_build_shared=no
-
-variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
-if test yes = "$GCC"; then
-  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
-fi
-
-if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
-  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
-fi
-
-if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
-  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
-fi
-
-# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
-configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
-
-# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
-func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
-
-# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
-configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
-$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
-hardcode_action_CXX=
-if test -n "$hardcode_libdir_flag_spec_CXX" ||
-   test -n "$runpath_var_CXX" ||
-   test yes = "$hardcode_automatic_CXX"; then
-
-  # We can hardcode non-existent directories.
-  if test no != "$hardcode_direct_CXX" &&
-     # If the only mechanism to avoid hardcoding is shlibpath_var, we
-     # have to relink, otherwise we might link with an installed library
-     # when we should be linking with a yet-to-be-installed one
-     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, CXX)" &&
-     test no != "$hardcode_minus_L_CXX"; then
-    # Linking always hardcodes the temporary library directory.
-    hardcode_action_CXX=relink
-  else
-    # We can link without hardcoding, and we can hardcode nonexisting dirs.
-    hardcode_action_CXX=immediate
-  fi
-else
-  # We cannot hardcode anything, or else we can only hardcode existing
-  # directories.
-  hardcode_action_CXX=unsupported
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5
-$as_echo "$hardcode_action_CXX" >&6; }
-
-if test relink = "$hardcode_action_CXX" ||
-   test yes = "$inherit_rpath_CXX"; then
-  # Fast installation is not supported
-  enable_fast_install=no
-elif test yes = "$shlibpath_overrides_runpath" ||
-     test no = "$enable_shared"; then
-  # Fast installation is not necessary
-  enable_fast_install=needless
-fi
-
-
-
-
-
-
-
-  fi # test -n "$compiler"
-
-  CC=$lt_save_CC
-  CFLAGS=$lt_save_CFLAGS
-  LDCXX=$LD
-  LD=$lt_save_LD
-  GCC=$lt_save_GCC
-  with_gnu_ld=$lt_save_with_gnu_ld
-  lt_cv_path_LDCXX=$lt_cv_path_LD
-  lt_cv_path_LD=$lt_save_path_LD
-  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
-  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
-fi # test yes != "$_lt_caught_CXX_error"
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-        ac_config_commands="$ac_config_commands libtool"
-
-
-
-
-# Only expand once:
-
-
-
-# * If any interfaces have been removed or changed, or if any private
-#   member variables or virtual functions have been added to any
-#   class, we are not binary compatible. Increment LT_CURRENT, and set
-#   LT_AGE and LT_REVISION to 0.
-#
-# * Otherwise, if any interfaces have been added since the last public
-#   release, then increment LT_CURRENT and LT_AGE, and set LT_REVISION
-#   to 0.
-#
-# * Otherwise, increment LT_REVISION
-
-# LT = libtool
-LT_CURRENT=25
-LT_AGE=4
-LT_REVISION=2
-
-
-
-LT_SONAME=$(expr $LT_CURRENT - $LT_AGE)
-
-
-# Check whether --enable-insecure-random was given.
-if test "${enable_insecure_random+set}" = set; then :
-  enableval=$enable_insecure_random; if test "$enableval" = "yes"; then
-      qpdf_INSECURE_RANDOM=1;
-    else
-      qpdf_INSECURE_RANDOM=0;
-    fi
-else
-  qpdf_INSECURE_RANDOM=0
-fi
-
-if test "$qpdf_INSECURE_RANDOM" = "1"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
-$as_echo "#define USE_INSECURE_RANDOM 1" >>confdefs.h
-
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-# Check whether --enable-os-secure-random was given.
-if test "${enable_os_secure_random+set}" = set; then :
-  enableval=$enable_os_secure_random; if test "$enableval" = "yes"; then
-      qpdf_OS_SECURE_RANDOM=1;
-    else
-      qpdf_OS_SECURE_RANDOM=0;
-    fi
-else
-  qpdf_OS_SECURE_RANDOM=1
-fi
-
-if test "$qpdf_OS_SECURE_RANDOM" = "1"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
-$as_echo "#define SKIP_OS_SECURE_RANDOM 1" >>confdefs.h
-
-fi
-
-
-
-# Check whether --with-random was given.
-if test "${with_random+set}" = set; then :
-  withval=$with_random; RANDOM_DEVICE="$withval"
-else
-  as_ac_File=`$as_echo "ac_cv_file_"/dev/urandom"" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for \"/dev/urandom\"" >&5
-$as_echo_n "checking for \"/dev/urandom\"... " >&6; }
-if eval \${$as_ac_File+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  test "$cross_compiling" = yes &&
-  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
-if test -r ""/dev/urandom""; then
-  eval "$as_ac_File=yes"
-else
-  eval "$as_ac_File=no"
-fi
-fi
-eval ac_res=\$$as_ac_File
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
-  RANDOM_DEVICE="/dev/urandom";
-else
-  as_ac_File=`$as_echo "ac_cv_file_"/dev/arandom"" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for \"/dev/arandom\"" >&5
-$as_echo_n "checking for \"/dev/arandom\"... " >&6; }
-if eval \${$as_ac_File+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  test "$cross_compiling" = yes &&
-  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
-if test -r ""/dev/arandom""; then
-  eval "$as_ac_File=yes"
-else
-  eval "$as_ac_File=no"
-fi
-fi
-eval ac_res=\$$as_ac_File
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
-  RANDOM_DEVICE="/dev/arandom";
-else
-  as_ac_File=`$as_echo "ac_cv_file_"/dev/random"" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for \"/dev/random\"" >&5
-$as_echo_n "checking for \"/dev/random\"... " >&6; }
-if eval \${$as_ac_File+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  test "$cross_compiling" = yes &&
-  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
-if test -r ""/dev/random""; then
-  eval "$as_ac_File=yes"
-else
-  eval "$as_ac_File=no"
-fi
-fi
-eval ac_res=\$$as_ac_File
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
-  RANDOM_DEVICE="/dev/random";
-fi
-
-
-fi
-
-fi
-
-
-fi
-
-  if test "x$RANDOM_DEVICE" != "x" ; then
-
-$as_echo "#define HAVE_RANDOM_DEVICE 1" >>confdefs.h
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define RANDOM_DEVICE "$RANDOM_DEVICE"
-_ACEOF
-
-  fi
-
-
-# Check whether --enable-avoid-windows-handle was given.
-if test "${enable_avoid_windows_handle+set}" = set; then :
-  enableval=$enable_avoid_windows_handle; if test "$enableval" = "yes"; then
-      qpdf_AVOID_HANDLE=1;
-    else
-      qpdf_AVOID_HANDLE=0;
-    fi
-else
-  qpdf_AVOID_HANDLE=0
-fi
-
-if test "$qpdf_AVOID_HANDLE" = "1"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
-$as_echo "#define AVOID_WINDOWS_HANDLE 1" >>confdefs.h
-
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-USE_EXTERNAL_LIBS=0
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for whether to use external libraries distribution" >&5
-$as_echo_n "checking for whether to use external libraries distribution... " >&6; }
-# Check whether --enable-external-libs was given.
-if test "${enable_external_libs+set}" = set; then :
-  enableval=$enable_external_libs; if test "$enableval" = "yes"; then
-      USE_EXTERNAL_LIBS=1;
-    else
-      USE_EXTERNAL_LIBS=0;
-    fi
-else
-  BUILD_INTERNAL_LIBS=0
-fi
-
-if test "$BUILD_INTERNAL_LIBS" = "0"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-fi
-
-WINDOWS_WORDSIZE=
-
-
-# Check whether --with-windows-wordsize was given.
-if test "${with_windows_wordsize+set}" = set; then :
-  withval=$with_windows_wordsize; WINDOWS_WORDSIZE=$withval
-else
-  WINDOWS_WORDSIZE=none
-fi
-
-if test "$USE_EXTERNAL_LIBS" = "1"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for windows wordsize" >&5
-$as_echo_n "checking for windows wordsize... " >&6; }
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $WINDOWS_WORDSIZE" >&5
-$as_echo "$WINDOWS_WORDSIZE" >&6; }
-   if ! test "$WINDOWS_WORDSIZE" = "32" -o "$WINDOWS_WORDSIZE" = "64"; then
-      as_fn_error $? "Windows wordsize of 32 or 64 must be specified if external libs are being used." "$LINENO" 5
-   fi
-fi
-
-if test "$BUILD_INTERNAL_LIBS" = "0"; then
-   ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_zlib_h" = xyes; then :
-
-else
-  MISSING_ZLIB_H=1; MISSING_ANY=1
-fi
-
-
-   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing deflate" >&5
-$as_echo_n "checking for library containing deflate... " >&6; }
-if ${ac_cv_search_deflate+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char deflate ();
-int
-main ()
-{
-return deflate ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' z zlib; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_deflate=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext
-  if ${ac_cv_search_deflate+:} false; then :
-  break
-fi
-done
-if ${ac_cv_search_deflate+:} false; then :
-
-else
-  ac_cv_search_deflate=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_deflate" >&5
-$as_echo "$ac_cv_search_deflate" >&6; }
-ac_res=$ac_cv_search_deflate
-if test "$ac_res" != no; then :
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-else
-  MISSING_ZLIB=1; MISSING_ANY=1
-fi
-
-   ac_fn_c_check_header_mongrel "$LINENO" "jpeglib.h" "ac_cv_header_jpeglib_h" "$ac_includes_default"
-if test "x$ac_cv_header_jpeglib_h" = xyes; then :
-
-else
-  MISSING_JPEG_H=1; MISSING_ANY=1
-fi
-
-
-   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing jpeg_destroy" >&5
-$as_echo_n "checking for library containing jpeg_destroy... " >&6; }
-if ${ac_cv_search_jpeg_destroy+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char jpeg_destroy ();
-int
-main ()
-{
-return jpeg_destroy ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' jpeg; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_jpeg_destroy=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext
-  if ${ac_cv_search_jpeg_destroy+:} false; then :
-  break
-fi
-done
-if ${ac_cv_search_jpeg_destroy+:} false; then :
-
-else
-  ac_cv_search_jpeg_destroy=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_jpeg_destroy" >&5
-$as_echo "$ac_cv_search_jpeg_destroy" >&6; }
-ac_res=$ac_cv_search_jpeg_destroy
-if test "$ac_res" != no; then :
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-else
-  MISSING_JPEG=1; MISSING_ANY=1
-fi
-
-fi
-
-qpdf_USE_WMAIN=0
-ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
-
-
-for i in 0 1; do
-  if test "$qpdf_USE_WMAIN" = "0"; then
-    oLDFLAGS="$LDFLAGS"
-    if test "$i" = "1"; then
-      nLDFLAGS="-municode"
-      LDFLAGS="$LDFLAGS $nLDFLAGS"
-      msg="checking for wmain with $nLDFLAGS"
-    else
-      nLDFLAGS=
-      msg="checking for wmain"
-    fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking $msg" >&5
-$as_echo_n "checking $msg... " >&6; }
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <windows.h>
-       #include <string.h>
-       #include <stdio.h>
-       extern "C"
-       int wmain(int argc, wchar_t* argv)
-       {
-           size_t x = wcslen(argv0);
-           return 0;
-       }
-
-_ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-  qpdf_USE_WMAIN=1
-else
-  qpdf_USE_WMAIN=0
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-    LDFLAGS="$oLDFLAGS"
-    if test "$qpdf_USE_WMAIN" = "1"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-      WINDOWS_WMAIN_COMPILE="-DWINDOWS_WMAIN $nLDFLAGS"
-      WINDOWS_WMAIN_LINK="$nLDFLAGS"
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-    fi
-  fi
-done
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-if test "x$qpdf_OS_SECURE_RANDOM" = "x1"; then
-  OLIBS=$LIBS
-  LIBS="$LIBS Advapi32.lib"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Advapi32 library" >&5
-$as_echo_n "checking for Advapi32 library... " >&6; }
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#pragma comment(lib, "crypt32.lib")
-     #include <windows.h>
-     #include <wincrypt.h>
-     HCRYPTPROV cp;
-int
-main ()
-{
-CryptAcquireContext(&cp, NULL, NULL, PROV_RSA_FULL, 0);
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-      LIBS="$OLIBS -lAdvapi32"
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-      LIBS=$OLIBS
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-
-QPDF_LARGE_FILE_TEST_PATH=
-
-
-# Check whether --with-large-file-test-path was given.
-if test "${with_large_file_test_path+set}" = set; then :
-  withval=$with_large_file_test_path; QPDF_LARGE_FILE_TEST_PATH=$withval
-else
-  QPDF_LARGE_FILE_TEST_PATH=
-fi
-
-
-# Check whether --enable-largefile was given.
-if test "${enable_largefile+set}" = set; then :
-  enableval=$enable_largefile;
-fi
-
-if test "$enable_largefile" != no; then
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
-$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
-if ${ac_cv_sys_largefile_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_sys_largefile_CC=no
-     if test "$GCC" != yes; then
-       ac_save_CC=$CC
-       while :; do
-	 # IRIX 6.2 and later do not support large files by default,
-	 # so use the C compiler's -n32 option if that helps.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
-  int off_t_is_large(LARGE_OFF_T % 2147483629 == 721
-		       && LARGE_OFF_T % 2147483647 == 1)
-		      ? 1 : -1;
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-	 if ac_fn_c_try_compile "$LINENO"; then :
-  break
-fi
-rm -f core conftest.err conftest.$ac_objext
-	 CC="$CC -n32"
-	 if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_largefile_CC=' -n32'; break
-fi
-rm -f core conftest.err conftest.$ac_objext
-	 break
-       done
-       CC=$ac_save_CC
-       rm -f conftest.$ac_ext
-    fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
-$as_echo "$ac_cv_sys_largefile_CC" >&6; }
-  if test "$ac_cv_sys_largefile_CC" != no; then
-    CC=$CC$ac_cv_sys_largefile_CC
-  fi
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
-$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
-if ${ac_cv_sys_file_offset_bits+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  while :; do
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
-  int off_t_is_large(LARGE_OFF_T % 2147483629 == 721
-		       && LARGE_OFF_T % 2147483647 == 1)
-		      ? 1 : -1;
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_file_offset_bits=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#define _FILE_OFFSET_BITS 64
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
-  int off_t_is_large(LARGE_OFF_T % 2147483629 == 721
-		       && LARGE_OFF_T % 2147483647 == 1)
-		      ? 1 : -1;
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_file_offset_bits=64; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  ac_cv_sys_file_offset_bits=unknown
-  break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
-$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
-case $ac_cv_sys_file_offset_bits in #(
-  no | unknown) ;;
-  *)
-cat >>confdefs.h <<_ACEOF
-#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
-_ACEOF
-;;
-esac
-rm -rf conftest*
-  if test $ac_cv_sys_file_offset_bits = unknown; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
-$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
-if ${ac_cv_sys_large_files+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  while :; do
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
-  int off_t_is_large(LARGE_OFF_T % 2147483629 == 721
-		       && LARGE_OFF_T % 2147483647 == 1)
-		      ? 1 : -1;
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_large_files=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#define _LARGE_FILES 1
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
-  int off_t_is_large(LARGE_OFF_T % 2147483629 == 721
-		       && LARGE_OFF_T % 2147483647 == 1)
-		      ? 1 : -1;
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_large_files=1; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  ac_cv_sys_large_files=unknown
-  break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
-$as_echo "$ac_cv_sys_large_files" >&6; }
-case $ac_cv_sys_large_files in #(
-  no | unknown) ;;
-  *)
-cat >>confdefs.h <<_ACEOF
-#define _LARGE_FILES $ac_cv_sys_large_files
-_ACEOF
-;;
-esac
-rm -rf conftest*
-  fi
-
-
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGEFILE_SOURCE value needed for large files" >&5
-$as_echo_n "checking for _LARGEFILE_SOURCE value needed for large files... " >&6; }
-if ${ac_cv_sys_largefile_source+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  while :; do
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h> /* for off_t */
-     #include <stdio.h>
-int
-main ()
-{
-int (*fp) (FILE *, off_t, int) = fseeko;
-     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_sys_largefile_source=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#define _LARGEFILE_SOURCE 1
-#include <sys/types.h> /* for off_t */
-     #include <stdio.h>
-int
-main ()
-{
-int (*fp) (FILE *, off_t, int) = fseeko;
-     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_sys_largefile_source=1; break
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  ac_cv_sys_largefile_source=unknown
-  break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_source" >&5
-$as_echo "$ac_cv_sys_largefile_source" >&6; }
-case $ac_cv_sys_largefile_source in #(
-  no | unknown) ;;
-  *)
-cat >>confdefs.h <<_ACEOF
-#define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source
-_ACEOF
-;;
-esac
-rm -rf conftest*
-
-# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
-# in glibc 2.1.3, but that breaks too many other things.
-# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
-if test $ac_cv_sys_largefile_source != unknown; then
-
-$as_echo "#define HAVE_FSEEKO 1" >>confdefs.h
-
-fi
-
-for ac_func in fseeko64
-do :
-  ac_fn_c_check_func "$LINENO" "fseeko64" "ac_cv_func_fseeko64"
-if test "x$ac_cv_func_fseeko64" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_FSEEKO64 1
-_ACEOF
-
-fi
-done
-
-ac_fn_c_find_uintX_t "$LINENO" "16" "ac_cv_c_uint16_t"
-case $ac_cv_c_uint16_t in #(
-  no|yes) ;; #(
-  *)
-
-
-cat >>confdefs.h <<_ACEOF
-#define uint16_t $ac_cv_c_uint16_t
-_ACEOF
-;;
-  esac
-
-ac_fn_c_find_uintX_t "$LINENO" "32" "ac_cv_c_uint32_t"
-case $ac_cv_c_uint32_t in #(
-  no|yes) ;; #(
-  *)
-
-$as_echo "#define _UINT32_T 1" >>confdefs.h
-
-
-cat >>confdefs.h <<_ACEOF
-#define uint32_t $ac_cv_c_uint32_t
-_ACEOF
-;;
-  esac
-
-
-for ac_func in random
-do :
-  ac_fn_c_check_func "$LINENO" "random" "ac_cv_func_random"
-if test "x$ac_cv_func_random" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_RANDOM 1
-_ACEOF
-
-fi
-done
-
-
-# Check if LD supports linker scripts, and define conditional
-# HAVE_LD_VERSION_SCRIPT if so.  This functionality is currently
-# constrained to compilers using GNU ld on ELF systems or systems
-# which provide an adequate emulation thereof.
-# Check whether --enable-ld-version-script was given.
-if test "${enable_ld_version_script+set}" = set; then :
-  enableval=$enable_ld_version_script; have_ld_version_script=$enableval
-else
-  have_ld_version_script=yes
-fi
-
-if test "$have_ld_version_script" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if LD -Wl,--version-script works" >&5
-$as_echo_n "checking if LD -Wl,--version-script works... " >&6; }
-  save_LDFLAGS="$LDFLAGS"
-  LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
-  cat > conftest.map <<EOF
-VERS_1 {
-        global: sym;
-};
-
-VERS_2 {
-        global: sym;
-} VERS_1;
-EOF
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  have_ld_version_script=yes
-else
-  have_ld_version_script=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  rm -f conftest.map
-  LDFLAGS="$save_LDFLAGS"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_ld_version_script" >&5
-$as_echo "$have_ld_version_script" >&6; }
-fi
-if test "$have_ld_version_script" = "yes"; then
-  HAVE_LD_VERSION_SCRIPT=1
-else
-  HAVE_LD_VERSION_SCRIPT=0
-fi
-
-
-make_okay=0
-for make_prog in make gmake; do
-  this_make_okay=0
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gnu make >= 3.81 ($make_prog)" >&5
-$as_echo_n "checking for gnu make >= 3.81 ($make_prog)... " >&6; }
-  if $make_prog --version >/dev/null 2>&1; then
-    v=`$make_prog --version | grep 'GNU Make' | sed -e 's/.*Make //'`
-    maj=`echo $v | cut -d. -f 1`
-    min=`echo $v | cut -d. -f 2`
-    if test $maj -gt 3 -o '(' $maj -eq 3 -a $min -ge 81 ')'; then
-       this_make_okay=1
-       make_okay=1
-    fi
-  fi
-  if test "$this_make_okay" = "1"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-  else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-  fi
-done
-
-if test "$make_okay" = "0"; then
-    MISSING_MAKE_381=1
-  ISSUE_WARNINGS=1
-fi
-
-
-GENDEPS=0
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for whether $CC supports -MD -MF x.dep -MP" >&5
-$as_echo_n "checking for whether $CC supports -MD -MF x.dep -MP... " >&6; }
-oCFLAGS=$CFLAGS
-rm -f x.dep
-CFLAGS="$CFLAGS -MD -MF x.dep -MP"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdio.h>
-int
-main ()
-{
-FILE* a = stdout
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  qpdf_DEPFLAGS=yes
-else
-  qpdf_DEPFLAGS=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS=$oCFLAGS
-if test "$qpdf_DEPFLAGS" = "yes"; then
-   if ! grep stdio.h x.dep >/dev/null 2>&1; then
-      qpdf_DEPFLAGS=no
-   fi
-fi
-rm -f x.dep
-if test "$qpdf_DEPFLAGS" = "yes"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-   GENDEPS=1
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking which build rules to use" >&5
-$as_echo_n "checking which build rules to use... " >&6; }
-
-
-# Check whether --with-buildrules was given.
-if test "${with_buildrules+set}" = set; then :
-  withval=$with_buildrules; BUILDRULES=$withval
-else
-  BUILDRULES=libtool
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILDRULES" >&5
-$as_echo "$BUILDRULES" >&6; }
-
-
-
-qpdf_USE_EXTRA_WARNINGS=0
-if test "$BUILDRULES" = "msvc"; then
-                  try_flags="-w14996"
-else
-   try_flags="-Wall"
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for whether $CC supports $try_flags" >&5
-$as_echo_n "checking for whether $CC supports $try_flags... " >&6; }
-oCFLAGS=$CFLAGS
-CFLAGS="$CFLAGS $try_flags"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-int a = 1; int b = a; a = b;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  qpdf_USE_EXTRA_WARNINGS=1
-else
-  qpdf_USE_EXTRA_WARNINGS=0
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS=$oCFLAGS
-if test "$qpdf_USE_EXTRA_WARNINGS" = "1"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-   WFLAGS="$try_flags"
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-if test "$BUILDRULES" != "msvc"; then
-   qpdf_USE_EXTRA_WARNINGS=0
-   try_flags="-Wold-style-cast"
-   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for whether $CXX supports $try_flags" >&5
-$as_echo_n "checking for whether $CXX supports $try_flags... " >&6; }
-   oCXXFLAGS=$CXXFLAGS
-   CXXFLAGS="$CXXFLAGS $try_flags"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-int a = 1; int b = a; a = b;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  qpdf_USE_EXTRA_WARNINGS=1
-else
-  qpdf_USE_EXTRA_WARNINGS=0
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-   CXXFLAGS=$oCXXFLAGS
-   if test "$qpdf_USE_EXTRA_WARNINGS" = "1"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-      CXXWFLAGS="$try_flags"
-   else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-   fi
-fi
-
-if test "$BUILDRULES" = "msvc"; then
-   try_flags=-FS
-   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for whether $CC supports $try_flags" >&5
-$as_echo_n "checking for whether $CC supports $try_flags... " >&6; }
-   oCFLAGS=$CFLAGS
-   CFLAGS="$CFLAGS $try_flags"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-int a = 1; int b = a; a = b;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  qpdf_USE_FS=1
-else
-  qpdf_USE_FS=0
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-   if test "$qpdf_USE_FS" = "1"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-      CXXFLAGS="$CXXFLAGS $try_flags"
-   else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-      CFLAGS=$oCFLAGS
-   fi
-fi
-
-if test "$BUILDRULES" = "msvc"; then
-   try_flags="-WX"
-else
-   try_flags="-Werror"
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for whether to use $try_flags" >&5
-$as_echo_n "checking for whether to use $try_flags... " >&6; }
-# Check whether --enable-werror was given.
-if test "${enable_werror+set}" = set; then :
-  enableval=$enable_werror; if test "$enableval" = "yes"; then
-      qpdf_USE_WERROR=1;
-    else
-      qpdf_USE_WERROR=0;
-    fi
-else
-  qpdf_USE_WERROR=0
-fi
-
-if test "$qpdf_USE_WERROR" = "1"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-   WFLAGS="$WFLAGS $try_flags"
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-# Check whether --enable-test-compare-images was given.
-if test "${enable_test_compare_images+set}" = set; then :
-  enableval=$enable_test_compare_images; if test "$enableval" = "no"; then
-      QPDF_SKIP_TEST_COMPARE_IMAGES=1
-    else
-      QPDF_SKIP_TEST_COMPARE_IMAGES=0
-    fi
-else
-  QPDF_SKIP_TEST_COMPARE_IMAGES=1
-fi
-
-
-
-# Check whether --enable-show-failed-test-output was given.
-if test "${enable_show_failed_test_output+set}" = set; then :
-  enableval=$enable_show_failed_test_output; if test "$enableval" = "no"; then
-      SHOW_FAILED_TEST_OUTPUT=0
-    else
-      SHOW_FAILED_TEST_OUTPUT=1
-    fi
-else
-  SHOW_FAILED_TEST_OUTPUT=0
-fi
-
-
-
-# Check whether --with-docbook-xsl was given.
-if test "${with_docbook_xsl+set}" = set; then :
-  withval=$with_docbook_xsl; DOCBOOK_XSL=$withval
-else
-  DOCBOOK_XSL=/usr/share/xml/docbook/stylesheet/nwalsh
-fi
-
-
-DOCBOOK_XHTML=
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for xml to xhtml docbook stylesheets" >&5
-$as_echo_n "checking for xml to xhtml docbook stylesheets... " >&6; }
-if test -f "$DOCBOOK_XSL/xhtml/docbook.xsl"; then
-   DOCBOOK_XHTML="$DOCBOOK_XSL/xhtml/docbook.xsl"
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DOCBOOK_XHTML" >&5
-$as_echo "$DOCBOOK_XHTML" >&6; }
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-DOCBOOK_FO=
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for xml to fo docbook stylesheets" >&5
-$as_echo_n "checking for xml to fo docbook stylesheets... " >&6; }
-if test -f "$DOCBOOK_XSL/fo/docbook.xsl"; then
-   DOCBOOK_FO="$DOCBOOK_XSL/fo/docbook.xsl"
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DOCBOOK_FO" >&5
-$as_echo "$DOCBOOK_FO" >&6; }
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-DOCBOOKX_DTD=
-
-
-# Check whether --with-docbookx-dtd was given.
-if test "${with_docbookx_dtd+set}" = set; then :
-  withval=$with_docbookx_dtd; DOCBOOKX_DTD=$withval
-else
-  DOCBOOKX_DTD=/usr/share/xml/docbook/schema/dtd/4/docbookx.dtd
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for docbook 4.x xml DTD" >&5
-$as_echo_n "checking for docbook 4.x xml DTD... " >&6; }
-if test -f "$DOCBOOKX_DTD"; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DOCBOOKX_DTD" >&5
-$as_echo "$DOCBOOKX_DTD" >&6; }
-else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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-
-# Extract the first word of "fop", so it can be a program name with args.
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_FOP+:} false; then :
-  $as_echo_n "(cached) " >&6
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-  if test -n "$FOP"; then
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_FOP="fop"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
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-
-fi
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-FOP=$ac_cv_prog_FOP
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
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-
-
-# Extract the first word of "xsltproc", so it can be a program name with args.
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_XSLTPROC+:} false; then :
-  $as_echo_n "(cached) " >&6
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
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-  IFS=$as_save_IFS
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-    for ac_exec_ext in '' $ac_executable_extensions; do
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-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
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-  fi
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-
-fi
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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-
-
-# Extract the first word of "xmllint", so it can be a program name with args.
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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-  if test -n "$XMLLINT"; then
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-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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-  IFS=$as_save_IFS
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-    for ac_exec_ext in '' $ac_executable_extensions; do
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-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
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-
-fi
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-XMLLINT=$ac_cv_prog_XMLLINT
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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-
-
-
-# Check whether --enable-doc-maintenance was given.
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-
-
-BUILD_HTML=0
-
-# Check whether --enable-html-doc was given.
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-  BUILD_HTML=$doc_default
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-
-BUILD_PDF=0
-
-# Check whether --enable-pdf-doc was given.
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-  BUILD_PDF=$doc_default
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-
-VALIDATE_DOC=0
-
-# Check whether --enable-validate-doc was given.
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-  VALIDATE_DOC=$doc_default
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-
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-      MISSING_ANY=1
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-      MISSING_ANY=1
-   fi
-   if test "$DOCBOOK_FO" = ""; then
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-      MISSING_ANY=1
-   fi
-   if test "$FOP" = ""; then
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-
-
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-  echo ""
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-if test "$MISSING_MAKE_381" = "1"; then
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-
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-_ACEOF
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-# The following way of writing the cache mishandles newlines in values,
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-LTLIBOBJS=$ac_ltlibobjs
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-
-
-: "${CONFIG_STATUS=./config.status}"
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-#! $SHELL
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-debug=false
-ac_cs_recheck=false
-ac_cs_silent=false
-
-SHELL=\${CONFIG_SHELL-$SHELL}
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-_ASEOF
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-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
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-# Be more Bourne compatible
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-  setopt NO_GLOB_SUBST
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-as_nl='
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-  as_echo_n='print -rn --'
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-  as_echo_n='printf %s'
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-    as_echo_body='eval expr "X$1" : "X\$.*\$"'
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-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
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-# The user is always right.
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-
-
-# IFS
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-     ;;
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-PS2='> '
-PS4='+ '
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-# NLS nuisances.
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-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
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-# as_fn_error STATUS ERROR LINENO LOG_FD
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-# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
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-{
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-
-# as_fn_set_status STATUS
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-{
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-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
-}
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-# as_fn_append VAR VALUE
-# ----------------------
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-  as_fn_append ()
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-
-# as_fn_arith ARG...
-# ------------------
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-hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`'
-hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`'
-inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`'
-link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`'
-always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`'
-export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`'
-exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`'
-include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`'
-prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`'
-postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`'
-file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`'
-variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`'
-need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`'
-need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`'
-version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`'
-runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`'
-shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`'
-shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`'
-libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`'
-library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`'
-soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`'
-install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`'
-postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`'
-postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`'
-finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`'
-finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`'
-hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`'
-sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`'
-configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`'
-configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`'
-hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`'
-enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`'
-enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`'
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-old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`'
-striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`'
-compiler_lib_search_dirs='`$ECHO "$compiler_lib_search_dirs" | $SED "$delay_single_quote_subst"`'
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-postdep_objects='`$ECHO "$postdep_objects" | $SED "$delay_single_quote_subst"`'
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-compiler_lib_search_path='`$ECHO "$compiler_lib_search_path" | $SED "$delay_single_quote_subst"`'
-LD_CXX='`$ECHO "$LD_CXX" | $SED "$delay_single_quote_subst"`'
-reload_flag_CXX='`$ECHO "$reload_flag_CXX" | $SED "$delay_single_quote_subst"`'
-reload_cmds_CXX='`$ECHO "$reload_cmds_CXX" | $SED "$delay_single_quote_subst"`'
-old_archive_cmds_CXX='`$ECHO "$old_archive_cmds_CXX" | $SED "$delay_single_quote_subst"`'
-compiler_CXX='`$ECHO "$compiler_CXX" | $SED "$delay_single_quote_subst"`'
-GCC_CXX='`$ECHO "$GCC_CXX" | $SED "$delay_single_quote_subst"`'
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-lt_prog_compiler_wl_CXX='`$ECHO "$lt_prog_compiler_wl_CXX" | $SED "$delay_single_quote_subst"`'
-lt_prog_compiler_static_CXX='`$ECHO "$lt_prog_compiler_static_CXX" | $SED "$delay_single_quote_subst"`'
-lt_cv_prog_compiler_c_o_CXX='`$ECHO "$lt_cv_prog_compiler_c_o_CXX" | $SED "$delay_single_quote_subst"`'
-archive_cmds_need_lc_CXX='`$ECHO "$archive_cmds_need_lc_CXX" | $SED "$delay_single_quote_subst"`'
-enable_shared_with_static_runtimes_CXX='`$ECHO "$enable_shared_with_static_runtimes_CXX" | $SED "$delay_single_quote_subst"`'
-export_dynamic_flag_spec_CXX='`$ECHO "$export_dynamic_flag_spec_CXX" | $SED "$delay_single_quote_subst"`'
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-compiler_needs_object_CXX='`$ECHO "$compiler_needs_object_CXX" | $SED "$delay_single_quote_subst"`'
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-module_cmds_CXX='`$ECHO "$module_cmds_CXX" | $SED "$delay_single_quote_subst"`'
-module_expsym_cmds_CXX='`$ECHO "$module_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`'
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-allow_undefined_flag_CXX='`$ECHO "$allow_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`'
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-hardcode_direct_CXX='`$ECHO "$hardcode_direct_CXX" | $SED "$delay_single_quote_subst"`'
-hardcode_direct_absolute_CXX='`$ECHO "$hardcode_direct_absolute_CXX" | $SED "$delay_single_quote_subst"`'
-hardcode_minus_L_CXX='`$ECHO "$hardcode_minus_L_CXX" | $SED "$delay_single_quote_subst"`'
-hardcode_shlibpath_var_CXX='`$ECHO "$hardcode_shlibpath_var_CXX" | $SED "$delay_single_quote_subst"`'
-hardcode_automatic_CXX='`$ECHO "$hardcode_automatic_CXX" | $SED "$delay_single_quote_subst"`'
-inherit_rpath_CXX='`$ECHO "$inherit_rpath_CXX" | $SED "$delay_single_quote_subst"`'
-link_all_deplibs_CXX='`$ECHO "$link_all_deplibs_CXX" | $SED "$delay_single_quote_subst"`'
-always_export_symbols_CXX='`$ECHO "$always_export_symbols_CXX" | $SED "$delay_single_quote_subst"`'
-export_symbols_cmds_CXX='`$ECHO "$export_symbols_cmds_CXX" | $SED "$delay_single_quote_subst"`'
-exclude_expsyms_CXX='`$ECHO "$exclude_expsyms_CXX" | $SED "$delay_single_quote_subst"`'
-include_expsyms_CXX='`$ECHO "$include_expsyms_CXX" | $SED "$delay_single_quote_subst"`'
-prelink_cmds_CXX='`$ECHO "$prelink_cmds_CXX" | $SED "$delay_single_quote_subst"`'
-postlink_cmds_CXX='`$ECHO "$postlink_cmds_CXX" | $SED "$delay_single_quote_subst"`'
-file_list_spec_CXX='`$ECHO "$file_list_spec_CXX" | $SED "$delay_single_quote_subst"`'
-hardcode_action_CXX='`$ECHO "$hardcode_action_CXX" | $SED "$delay_single_quote_subst"`'
-compiler_lib_search_dirs_CXX='`$ECHO "$compiler_lib_search_dirs_CXX" | $SED "$delay_single_quote_subst"`'
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-postdeps_CXX='`$ECHO "$postdeps_CXX" | $SED "$delay_single_quote_subst"`'
-compiler_lib_search_path_CXX='`$ECHO "$compiler_lib_search_path_CXX" | $SED "$delay_single_quote_subst"`'
-
-LTCC='$LTCC'
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-
-# A function that is used when there is no print builtin or printf.
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-{
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-\$1
-_LTECHO_EOF'
-}
-
-# Quote evaled strings.
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-DLLTOOL \
-OBJDUMP \
-SHELL \
-ECHO \
-PATH_SEPARATOR \
-SED \
-GREP \
-EGREP \
-FGREP \
-LD \
-NM \
-LN_S \
-lt_SP2NL \
-lt_NL2SP \
-reload_flag \
-deplibs_check_method \
-file_magic_cmd \
-file_magic_glob \
-want_nocaseglob \
-sharedlib_from_linklib_cmd \
-AR \
-AR_FLAGS \
-archiver_list_spec \
-STRIP \
-RANLIB \
-CC \
-CFLAGS \
-compiler \
-lt_cv_sys_global_symbol_pipe \
-lt_cv_sys_global_symbol_to_cdecl \
-lt_cv_sys_global_symbol_to_import \
-lt_cv_sys_global_symbol_to_c_name_address \
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
-lt_cv_nm_interface \
-nm_file_list_spec \
-lt_cv_truncate_bin \
-lt_prog_compiler_no_builtin_flag \
-lt_prog_compiler_pic \
-lt_prog_compiler_wl \
-lt_prog_compiler_static \
-lt_cv_prog_compiler_c_o \
-need_locks \
-MANIFEST_TOOL \
-DSYMUTIL \
-NMEDIT \
-LIPO \
-OTOOL \
-OTOOL64 \
-shrext_cmds \
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-file_list_spec \
-variables_saved_for_relink \
-libname_spec \
-library_names_spec \
-soname_spec \
-install_override_mode \
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-old_striplib \
-striplib \
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-module_cmds_CXX \
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-export_symbols_cmds_CXX \
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-
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-{
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-{
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-    } else
-      len += 1 + keylen
-  }
-
-  print line
-}
-
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
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-else
-  cat
-fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
-  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
-_ACEOF
-
-# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
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-h
-s///
-s/^/:/
-s/	 *$/:/
-s/:\$(srcdir):/:/g
-s/:\${srcdir}:/:/g
-s/:@srcdir@:/:/g
-s/^:*//
-s/:*$//
-x
-s/$=	 *$.*/\1/
-G
-s/\n//
-s/^^=*=	 *$//
-}'
-fi
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-fi # test -n "$CONFIG_FILES"
-
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-# As "finish_cmds", except a single script fragment to be evaled but
-# not shown.
-finish_eval=$lt_finish_eval
-
-# Whether we should hardcode library paths into libraries.
-hardcode_into_libs=$hardcode_into_libs
-
-# Compile-time system search path for libraries.
-sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
-
-# Detected run-time system search path for libraries.
-sys_lib_dlsearch_path_spec=$lt_configure_time_dlsearch_path
-
-# Explicit LT_SYS_LIBRARY_PATH set during ./configure time.
-configure_time_lt_sys_library_path=$lt_configure_time_lt_sys_library_path
-
-# Whether dlopen is supported.
-dlopen_support=$enable_dlopen
-
-# Whether dlopen of programs is supported.
-dlopen_self=$enable_dlopen_self
-
-# Whether dlopen of statically linked programs is supported.
-dlopen_self_static=$enable_dlopen_self_static
-
-# Commands to strip libraries.
-old_striplib=$lt_old_striplib
-striplib=$lt_striplib
-
-
-# The linker used to build libraries.
-LD=$lt_LD
-
-# How to create reloadable object files.
-reload_flag=$lt_reload_flag
-reload_cmds=$lt_reload_cmds
-
-# Commands used to build an old-style archive.
-old_archive_cmds=$lt_old_archive_cmds
-
-# A language specific compiler.
-CC=$lt_compiler
-
-# Is the compiler the GNU compiler?
-with_gcc=$GCC
-
-# Compiler flag to turn off builtin functions.
-no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag
-
-# Additional compiler flags for building library objects.
-pic_flag=$lt_lt_prog_compiler_pic
-
-# How to pass a linker flag through the compiler.
-wl=$lt_lt_prog_compiler_wl
-
-# Compiler flag to prevent dynamic linking.
-link_static_flag=$lt_lt_prog_compiler_static
-
-# Does compiler simultaneously support -c and -o options?
-compiler_c_o=$lt_lt_cv_prog_compiler_c_o
-
-# Whether or not to add -lc for building shared libraries.
-build_libtool_need_lc=$archive_cmds_need_lc
-
-# Whether or not to disallow shared libs when runtime libs are static.
-allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes
-
-# Compiler flag to allow reflexive dlopens.
-export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
-
-# Compiler flag to generate shared objects directly from archives.
-whole_archive_flag_spec=$lt_whole_archive_flag_spec
-
-# Whether the compiler copes with passing no objects directly.
-compiler_needs_object=$lt_compiler_needs_object
-
-# Create an old-style archive from a shared archive.
-old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
-
-# Create a temporary old-style archive to link instead of a shared archive.
-old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
-
-# Commands used to build a shared archive.
-archive_cmds=$lt_archive_cmds
-archive_expsym_cmds=$lt_archive_expsym_cmds
-
-# Commands used to build a loadable module if different from building
-# a shared archive.
-module_cmds=$lt_module_cmds
-module_expsym_cmds=$lt_module_expsym_cmds
-
-# Whether we are building with GNU ld or not.
-with_gnu_ld=$lt_with_gnu_ld
-
-# Flag that allows shared libraries with undefined symbols to be built.
-allow_undefined_flag=$lt_allow_undefined_flag
-
-# Flag that enforces no undefined symbols.
-no_undefined_flag=$lt_no_undefined_flag
-
-# Flag to hardcode \$libdir into a binary during linking.
-# This must work even if \$libdir does not exist
-hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
-
-# Whether we need a single "-rpath" flag with a separated argument.
-hardcode_libdir_separator=$lt_hardcode_libdir_separator
-
-# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
-# DIR into the resulting binary.
-hardcode_direct=$hardcode_direct
-
-# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
-# DIR into the resulting binary and the resulting library dependency is
-# "absolute",i.e impossible to change by setting \$shlibpath_var if the
-# library is relocated.
-hardcode_direct_absolute=$hardcode_direct_absolute
-
-# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
-# into the resulting binary.
-hardcode_minus_L=$hardcode_minus_L
-
-# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
-# into the resulting binary.
-hardcode_shlibpath_var=$hardcode_shlibpath_var
-
-# Set to "yes" if building a shared library automatically hardcodes DIR
-# into the library and all subsequent libraries and executables linked
-# against it.
-hardcode_automatic=$hardcode_automatic
-
-# Set to yes if linker adds runtime paths of dependent libraries
-# to runtime path list.
-inherit_rpath=$inherit_rpath
-
-# Whether libtool must link a program against all its dependency libraries.
-link_all_deplibs=$link_all_deplibs
-
-# Set to "yes" if exported symbols are required.
-always_export_symbols=$always_export_symbols
-
-# The commands to list exported symbols.
-export_symbols_cmds=$lt_export_symbols_cmds
-
-# Symbols that should not be listed in the preloaded symbols.
-exclude_expsyms=$lt_exclude_expsyms
-
-# Symbols that must always be exported.
-include_expsyms=$lt_include_expsyms
-
-# Commands necessary for linking programs (against libraries) with templates.
-prelink_cmds=$lt_prelink_cmds
-
-# Commands necessary for finishing linking programs.
-postlink_cmds=$lt_postlink_cmds
-
-# Specify filename containing input files.
-file_list_spec=$lt_file_list_spec
-
-# How to hardcode a shared library path into an executable.
-hardcode_action=$hardcode_action
-
-# The directories searched by this compiler when creating a shared library.
-compiler_lib_search_dirs=$lt_compiler_lib_search_dirs
-
-# Dependencies to place before and after the objects being linked to
-# create a shared library.
-predep_objects=$lt_predep_objects
-postdep_objects=$lt_postdep_objects
-predeps=$lt_predeps
-postdeps=$lt_postdeps
-
-# The library search path used internally by the compiler when linking
-# a shared library.
-compiler_lib_search_path=$lt_compiler_lib_search_path
-
-# ### END LIBTOOL CONFIG
-
-_LT_EOF
-
-    cat <<'_LT_EOF' >> "$cfgfile"
-
-# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
-
-# func_munge_path_list VARIABLE PATH
-# -----------------------------------
-# VARIABLE is name of variable containing _space_ separated list of
-# directories to be munged by the contents of PATH, which is string
-# having a format:
-# "DIR:DIR:"
-#       string "DIR DIR" will be prepended to VARIABLE
-# ":DIR:DIR"
-#       string "DIR DIR" will be appended to VARIABLE
-# "DIRP:DIRP::DIRA:DIRA"
-#       string "DIRP DIRP" will be prepended to VARIABLE and string
-#       "DIRA DIRA" will be appended to VARIABLE
-# "DIR:DIR"
-#       VARIABLE will be replaced by "DIR DIR"
-func_munge_path_list ()
-{
-    case x$2 in
-    x)
-        ;;
-    *:)
-        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
-        ;;
-    x:*)
-        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
-        ;;
-    *::*)
-        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
-        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
-        ;;
-    *)
-        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
-        ;;
-    esac
-}
-
-
-# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
-func_cc_basename ()
-{
-    for cc_temp in $*""; do
-      case $cc_temp in
-        compile | *\\/compile | ccache | *\\/ccache ) ;;
-        distcc | *\\/distcc | purify | *\\/purify ) ;;
-        \-*) ;;
-        *) break;;
-      esac
-    done
-    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
-}
-
-
-# ### END FUNCTIONS SHARED WITH CONFIGURE
-
-_LT_EOF
-
-  case $host_os in
-  aix3*)
-    cat <<\_LT_EOF >> "$cfgfile"
-# AIX sometimes has problems with the GCC collect2 program.  For some
-# reason, if we set the COLLECT_NAMES environment variable, the problems
-# vanish in a puff of smoke.
-if test set != "${COLLECT_NAMES+set}"; then
-  COLLECT_NAMES=
-  export COLLECT_NAMES
-fi
-_LT_EOF
-    ;;
-  esac
-
-
-ltmain=$ac_aux_dir/ltmain.sh
-
-
-  # We use sed instead of cat because bash on DJGPP gets confused if
-  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
-  # text mode, it properly converts lines to CR/LF.  This bash problem
-  # is reportedly fixed, but why not run on old versions too?
-  sed '$q' "$ltmain" >> "$cfgfile" \
-     || (rm -f "$cfgfile"; exit 1)
-
-   mv -f "$cfgfile" "$ofile" ||
-    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
-  chmod +x "$ofile"
-
-
-    cat <<_LT_EOF >> "$ofile"
-
-# ### BEGIN LIBTOOL TAG CONFIG: CXX
-
-# The linker used to build libraries.
-LD=$lt_LD_CXX
-
-# How to create reloadable object files.
-reload_flag=$lt_reload_flag_CXX
-reload_cmds=$lt_reload_cmds_CXX
-
-# Commands used to build an old-style archive.
-old_archive_cmds=$lt_old_archive_cmds_CXX
-
-# A language specific compiler.
-CC=$lt_compiler_CXX
-
-# Is the compiler the GNU compiler?
-with_gcc=$GCC_CXX
-
-# Compiler flag to turn off builtin functions.
-no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX
-
-# Additional compiler flags for building library objects.
-pic_flag=$lt_lt_prog_compiler_pic_CXX
-
-# How to pass a linker flag through the compiler.
-wl=$lt_lt_prog_compiler_wl_CXX
-
-# Compiler flag to prevent dynamic linking.
-link_static_flag=$lt_lt_prog_compiler_static_CXX
-
-# Does compiler simultaneously support -c and -o options?
-compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX
-
-# Whether or not to add -lc for building shared libraries.
-build_libtool_need_lc=$archive_cmds_need_lc_CXX
-
-# Whether or not to disallow shared libs when runtime libs are static.
-allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX
-
-# Compiler flag to allow reflexive dlopens.
-export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX
-
-# Compiler flag to generate shared objects directly from archives.
-whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX
-
-# Whether the compiler copes with passing no objects directly.
-compiler_needs_object=$lt_compiler_needs_object_CXX
-
-# Create an old-style archive from a shared archive.
-old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX
-
-# Create a temporary old-style archive to link instead of a shared archive.
-old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX
-
-# Commands used to build a shared archive.
-archive_cmds=$lt_archive_cmds_CXX
-archive_expsym_cmds=$lt_archive_expsym_cmds_CXX
-
-# Commands used to build a loadable module if different from building
-# a shared archive.
-module_cmds=$lt_module_cmds_CXX
-module_expsym_cmds=$lt_module_expsym_cmds_CXX
-
-# Whether we are building with GNU ld or not.
-with_gnu_ld=$lt_with_gnu_ld_CXX
-
-# Flag that allows shared libraries with undefined symbols to be built.
-allow_undefined_flag=$lt_allow_undefined_flag_CXX
-
-# Flag that enforces no undefined symbols.
-no_undefined_flag=$lt_no_undefined_flag_CXX
-
-# Flag to hardcode \$libdir into a binary during linking.
-# This must work even if \$libdir does not exist
-hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX
-
-# Whether we need a single "-rpath" flag with a separated argument.
-hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX
-
-# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
-# DIR into the resulting binary.
-hardcode_direct=$hardcode_direct_CXX
-
-# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
-# DIR into the resulting binary and the resulting library dependency is
-# "absolute",i.e impossible to change by setting \$shlibpath_var if the
-# library is relocated.
-hardcode_direct_absolute=$hardcode_direct_absolute_CXX
-
-# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
-# into the resulting binary.
-hardcode_minus_L=$hardcode_minus_L_CXX
-
-# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
-# into the resulting binary.
-hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX
-
-# Set to "yes" if building a shared library automatically hardcodes DIR
-# into the library and all subsequent libraries and executables linked
-# against it.
-hardcode_automatic=$hardcode_automatic_CXX
-
-# Set to yes if linker adds runtime paths of dependent libraries
-# to runtime path list.
-inherit_rpath=$inherit_rpath_CXX
-
-# Whether libtool must link a program against all its dependency libraries.
-link_all_deplibs=$link_all_deplibs_CXX
-
-# Set to "yes" if exported symbols are required.
-always_export_symbols=$always_export_symbols_CXX
-
-# The commands to list exported symbols.
-export_symbols_cmds=$lt_export_symbols_cmds_CXX
-
-# Symbols that should not be listed in the preloaded symbols.
-exclude_expsyms=$lt_exclude_expsyms_CXX
-
-# Symbols that must always be exported.
-include_expsyms=$lt_include_expsyms_CXX
-
-# Commands necessary for linking programs (against libraries) with templates.
-prelink_cmds=$lt_prelink_cmds_CXX
-
-# Commands necessary for finishing linking programs.
-postlink_cmds=$lt_postlink_cmds_CXX
-
-# Specify filename containing input files.
-file_list_spec=$lt_file_list_spec_CXX
-
-# How to hardcode a shared library path into an executable.
-hardcode_action=$hardcode_action_CXX
-
-# The directories searched by this compiler when creating a shared library.
-compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_CXX
-
-# Dependencies to place before and after the objects being linked to
-# create a shared library.
-predep_objects=$lt_predep_objects_CXX
-postdep_objects=$lt_postdep_objects_CXX
-predeps=$lt_predeps_CXX
-postdeps=$lt_postdeps_CXX
-
-# The library search path used internally by the compiler when linking
-# a shared library.
-compiler_lib_search_path=$lt_compiler_lib_search_path_CXX
-
-# ### END LIBTOOL TAG CONFIG: CXX
-_LT_EOF
-
- ;;
-
-  esac
-done # for ac_tag
-
-
-as_fn_exit 0
-_ACEOF
-ac_clean_files=$ac_clean_files_save
-
-test $ac_write_fail = 0 ||
-  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
-
-
-# configure is writing to config.log, and then calls config.status.
-# config.status does its own redirection, appending to config.log.
-# Unfortunately, on DOS this fails, as config.log is still kept open
-# by configure, so config.status won't be able to write to it; its
-# output is simply discarded.  So we exec the FD to /dev/null,
-# effectively closing config.log, so it can be properly (re)opened and
-# appended to by config.status.  When coming back to configure, we
-# need to make the FD available again.
-if test "$no_create" != yes; then
-  ac_cs_success=:
-  ac_config_status_args=
-  test "$silent" = yes &&
-    ac_config_status_args="$ac_config_status_args --quiet"
-  exec 5>/dev/null
-  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
-  exec 5>>config.log
-  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
-  # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit 1
-fi
-if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
-fi
-

_service:tar_scm:qpdf-8.4.2.tar.gz/configure.ac Deleted

@@ -1,603 +0,0 @@
-dnl Process this file with autoconf to produce a configure script.
-dnl This config.in requires autoconf 2.5 or greater.
-
-AC_PREREQ(2.68)
-AC_INIT(qpdf,8.4.2)
-
-AC_CONFIG_MACRO_DIR(m4)
-AC_CONFIG_FILES(autoconf.mk)
-AC_CONFIG_FILES(manual/html.xsl manual/print.xsl)
-AC_CONFIG_FILES(libqpdf.pc)
-AC_CONFIG_FILES(libqpdf.map)
-AC_CONFIG_HEADERS(libqpdf/qpdf/qpdf-config.h)
-
-AC_ARG_ENABLE(check-autofiles,
-   AS_HELP_STRING(--enable-check-autofiles,
-		  if specified, verify checksums on automatically generated files (default=yes); package maintainers may want to disable this),
-   if test "$enableval" = "no"; then
-      CHECK_AUTOFILES=0
-    else
-      CHECK_AUTOFILES=1
-    fi,
-   CHECK_AUTOFILES=1)
-
-# Check to see if automatically generated files are outdated and if we
-# can update them.
-AC_CHECK_PROG(AUTOCONF,autoconf,1,0)
-AC_CHECK_PROG(AUTOHEADER,autoheader,1,0)
-AC_CHECK_PROG(ACLOCAL,aclocal,1,0)
-AC_CHECK_PROG(SHA256SUM,sha256sum,1,0)
-if test "$CHECK_AUTOFILES$AUTOCONF$AUTOHEADER$ACLOCAL$SHA256SUM" = "11111"; then
-   if ! sha256sum -c autofiles.sums; then
-       AC_MSG_ERROR(autofiles are autodated; rerun autogen.sh)
-   fi
-fi
-
-AC_PROG_CC
-AC_PROG_CC_C99
-AC_PROG_CXX
-AC_HEADER_STDC
-LT_INIT(win32-dll)
-
-# * If any interfaces have been removed or changed, or if any private
-#   member variables or virtual functions have been added to any
-#   class, we are not binary compatible. Increment LT_CURRENT, and set
-#   LT_AGE and LT_REVISION to 0.
-#
-# * Otherwise, if any interfaces have been added since the last public
-#   release, then increment LT_CURRENT and LT_AGE, and set LT_REVISION
-#   to 0.
-#
-# * Otherwise, increment LT_REVISION
-
-# LT = libtool
-LT_CURRENT=25
-LT_AGE=4
-LT_REVISION=2
-AC_SUBST(LT_CURRENT)
-AC_SUBST(LT_REVISION)
-AC_SUBST(LT_AGE)
-LT_SONAME=$(expr $LT_CURRENT - $LT_AGE)
-AC_SUBST(LT_SONAME)
-
-AC_ARG_ENABLE(insecure-random,
-   AS_HELP_STRING(--enable-insecure-random,
-                  whether to use stdlib's random number generator (default is no)),
-   if test "$enableval" = "yes"; then
-      qpdf_INSECURE_RANDOM=1;
-    else
-      qpdf_INSECURE_RANDOM=0;
-    fi, qpdf_INSECURE_RANDOM=0)
-if test "$qpdf_INSECURE_RANDOM" = "1"; then
-   AC_MSG_RESULT(yes)
-   AC_DEFINE(USE_INSECURE_RANDOM, 1, Whether to use insecure random numbers)
-else
-   AC_MSG_RESULT(no)
-fi
-
-AC_ARG_ENABLE(os-secure-random,
-   AS_HELP_STRING(--enable-os-secure-random,
-                  whether to try to use OS-provided secure random numbers (default is yes)),
-   if test "$enableval" = "yes"; then
-      qpdf_OS_SECURE_RANDOM=1;
-    else
-      qpdf_OS_SECURE_RANDOM=0;
-    fi, qpdf_OS_SECURE_RANDOM=1)
-if test "$qpdf_OS_SECURE_RANDOM" = "1"; then
-   AC_MSG_RESULT(yes)
-else
-   AC_MSG_RESULT(no)
-   AC_DEFINE(SKIP_OS_SECURE_RANDOM, 1, Whether to suppres use of OS-provided secure random numbers)
-fi
-
-AX_RANDOM_DEVICE
-
-AC_ARG_ENABLE(avoid-windows-handle,
-   AS_HELP_STRING(--enable-avoid-windows-handle,
-                  whether to avoid use of HANDLE, useful for some embedded Windows builds (default is no)),
-   if test "$enableval" = "yes"; then
-      qpdf_AVOID_HANDLE=1;
-    else
-      qpdf_AVOID_HANDLE=0;
-    fi, qpdf_AVOID_HANDLE=0)
-if test "$qpdf_AVOID_HANDLE" = "1"; then
-   AC_MSG_RESULT(yes)
-   AC_DEFINE(AVOID_WINDOWS_HANDLE, 1, Whether to avoid use of HANDLE in Windows)
-else
-   AC_MSG_RESULT(no)
-fi
-
-USE_EXTERNAL_LIBS=0
-AC_MSG_CHECKING(for whether to use external libraries distribution)
-AC_ARG_ENABLE(external-libs,
-   AS_HELP_STRING(--enable-external-libs,
-		  whether to use external libraries distribution),
-   if test "$enableval" = "yes"; then
-      USE_EXTERNAL_LIBS=1;
-    else
-      USE_EXTERNAL_LIBS=0;
-    fi, BUILD_INTERNAL_LIBS=0)
-if test "$BUILD_INTERNAL_LIBS" = "0"; then
-   AC_MSG_RESULT(no)
-else
-   AC_MSG_RESULT(yes)
-fi
-
-WINDOWS_WORDSIZE=
-AC_SUBST(WINDOWS_WORDSIZE)
-AC_ARG_WITH(windows-wordsize,
-   AS_HELP_STRING(--with-windows-wordsize={32,64},
-		  Windows only: whether this is a 32-bit or 64-bit build; required if external-libs are enabled),
-   WINDOWS_WORDSIZE=$withval,
-   WINDOWS_WORDSIZE=none)
-if test "$USE_EXTERNAL_LIBS" = "1"; then
-   AC_MSG_CHECKING(for windows wordsize)
-   AC_MSG_RESULT($WINDOWS_WORDSIZE)
-   if ! test "$WINDOWS_WORDSIZE" = "32" -o "$WINDOWS_WORDSIZE" = "64"; then
-      AC_MSG_ERROR(Windows wordsize of 32 or 64 must be specified if external libs are being used.)
-   fi
-fi
-
-if test "$BUILD_INTERNAL_LIBS" = "0"; then
-   AC_CHECK_HEADER(zlib.h,,MISSING_ZLIB_H=1; MISSING_ANY=1)
-   AC_SEARCH_LIBS(deflate,z zlib,,MISSING_ZLIB=1; MISSING_ANY=1)
-   AC_CHECK_HEADER(jpeglib.h,,MISSING_JPEG_H=1; MISSING_ANY=1)
-   AC_SEARCH_LIBS(jpeg_destroy,jpeg,,MISSING_JPEG=1; MISSING_ANY=1)
-fi
-
-qpdf_USE_WMAIN=0
-AC_LANG_PUSH(C++)
-AC_SUBST(WINDOWS_WMAIN_COMPILE)
-AC_SUBST(WINDOWS_WMAIN_LINK)
-for i in 0 1; do
-  if test "$qpdf_USE_WMAIN" = "0"; then
-    oLDFLAGS="$LDFLAGS"
-    if test "$i" = "1"; then
-      nLDFLAGS="-municode"
-      LDFLAGS="$LDFLAGS $nLDFLAGS"
-      msg="checking for wmain with $nLDFLAGS"
-    else
-      nLDFLAGS=
-      msg="checking for wmain"
-    fi
-    AC_MSG_CHECKING($msg)
-    AC_LINK_IFELSE(AC_LANG_SOURCE(
-      #include <windows.h>
-       #include <string.h>
-       #include <stdio.h>
-       extern "C"
-       int wmain(int argc, wchar_t* argv)
-       {
-           size_t x = wcslen(argv0);
-           return 0;
-       }
-       ),
-       qpdf_USE_WMAIN=1,
-       qpdf_USE_WMAIN=0)
-    LDFLAGS="$oLDFLAGS"
-    if test "$qpdf_USE_WMAIN" = "1"; then
-      AC_MSG_RESULT(yes)
-      WINDOWS_WMAIN_COMPILE="-DWINDOWS_WMAIN $nLDFLAGS"
-      WINDOWS_WMAIN_LINK="$nLDFLAGS"
-    else
-      AC_MSG_RESULT(no)
-    fi
-  fi
-done
-AC_LANG_POP
-
-if test "x$qpdf_OS_SECURE_RANDOM" = "x1"; then
-  OLIBS=$LIBS
-  LIBS="$LIBS Advapi32.lib"
-  AC_MSG_CHECKING(for Advapi32 library)
-  AC_LINK_IFELSE(AC_LANG_PROGRAM(
-    #pragma comment(lib, "crypt32.lib")
-     #include <windows.h>
-     #include <wincrypt.h>
-     HCRYPTPROV cp;,
-     CryptAcquireContext(&cp, NULL, NULL, PROV_RSA_FULL, 0);
-     ),
-     AC_MSG_RESULT(yes)
-      LIBS="$OLIBS -lAdvapi32",
-     AC_MSG_RESULT(no)
-      LIBS=$OLIBS)
-fi
-
-QPDF_LARGE_FILE_TEST_PATH=
-AC_SUBST(QPDF_LARGE_FILE_TEST_PATH)
-AC_ARG_WITH(large-file-test-path,
-   AS_HELP_STRING(--with-large-file-test-path=path,
-		  To enable testing of files > 4GB, give the path to a directory with at least 11 GB free.  The test suite will write temporary files to this directory.  Alternatively, just set the QPDF_LARGE_FILE_TEST_PATH environment variable to the path before running the test suite.),
-   QPDF_LARGE_FILE_TEST_PATH=$withval,
-   QPDF_LARGE_FILE_TEST_PATH=)
-
-AC_SYS_LARGEFILE
-AC_FUNC_FSEEKO
-AC_CHECK_FUNCS(fseeko64)
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-
-AC_CHECK_FUNCS(random)
-
-# Check if LD supports linker scripts, and define conditional
-# HAVE_LD_VERSION_SCRIPT if so.  This functionality is currently
-# constrained to compilers using GNU ld on ELF systems or systems
-# which provide an adequate emulation thereof.
-AC_ARG_ENABLE(ld-version-script,
-  AS_HELP_STRING(--enable-ld-version-script,
-    enable linker version script (default is enabled)),
-    have_ld_version_script=$enableval, have_ld_version_script=yes)
-if test "$have_ld_version_script" != no; then
-  AC_MSG_CHECKING(if LD -Wl,--version-script works)
-  save_LDFLAGS="$LDFLAGS"
-  LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
-  cat > conftest.map <<EOF
-VERS_1 {
-        global: sym;
-};
-
-VERS_2 {
-        global: sym;
-} VERS_1;
-EOF
-  AC_LINK_IFELSE(AC_LANG_PROGRAM(, ),
-                 have_ld_version_script=yes, have_ld_version_script=no)
-  rm -f conftest.map
-  LDFLAGS="$save_LDFLAGS"
-  AC_MSG_RESULT($have_ld_version_script)
-fi
-if test "$have_ld_version_script" = "yes"; then
-  HAVE_LD_VERSION_SCRIPT=1
-else
-  HAVE_LD_VERSION_SCRIPT=0
-fi
-AC_SUBST(HAVE_LD_VERSION_SCRIPT)
-
-make_okay=0
-for make_prog in make gmake; do
-  this_make_okay=0
-  AC_MSG_CHECKING(for gnu make >= 3.81 ($make_prog))
-  if $make_prog --version >/dev/null 2>&1; then
-    v=`$make_prog --version | grep 'GNU Make' | sed -e 's/.*Make //'`
-    maj=`echo $v | cut -d. -f 1`
-    min=`echo $v | cut -d. -f 2`
-    if test $maj -gt 3 -o '(' $maj -eq 3 -a $min -ge 81 ')'; then
-       this_make_okay=1
-       make_okay=1
-    fi
-  fi
-  if test "$this_make_okay" = "1"; then
-    AC_MSG_RESULT(yes)
-  else
-    AC_MSG_RESULT(no)
-  fi
-done
-
-if test "$make_okay" = "0"; then
-  dnl Don't set MISSING_ANY=1 -- maybe user calls make something else
-  MISSING_MAKE_381=1
-  ISSUE_WARNINGS=1
-fi
-
-AC_SUBST(GENDEPS)
-GENDEPS=0
-AC_MSG_CHECKING(for whether $CC supports -MD -MF x.dep -MP)
-oCFLAGS=$CFLAGS
-rm -f x.dep
-CFLAGS="$CFLAGS -MD -MF x.dep -MP"
-AC_COMPILE_IFELSE(AC_LANG_PROGRAM(
-                    #include <stdio.h>, FILE* a = stdout
-                  ),
-                  qpdf_DEPFLAGS=yes,
-                  qpdf_DEPFLAGS=no)
-CFLAGS=$oCFLAGS
-if test "$qpdf_DEPFLAGS" = "yes"; then
-   if ! grep stdio.h x.dep >/dev/null 2>&1; then
-      qpdf_DEPFLAGS=no
-   fi
-fi
-rm -f x.dep
-if test "$qpdf_DEPFLAGS" = "yes"; then
-   AC_MSG_RESULT(yes)
-   GENDEPS=1
-else
-   AC_MSG_RESULT(no)
-fi
-
-AC_MSG_CHECKING(which build rules to use)
-AC_SUBST(BUILDRULES)
-AC_ARG_WITH(buildrules,
-   AS_HELP_STRING(--with-buildrules=rules,
-		  which build rules to use; see README.md),
-   BUILDRULES=$withval,
-   BUILDRULES=libtool)
-AC_MSG_RESULT($BUILDRULES)
-
-AC_SUBST(WFLAGS)
-AC_SUBST(CXXWFLAGS)
-qpdf_USE_EXTRA_WARNINGS=0
-if test "$BUILDRULES" = "msvc"; then
-   dnl /w14996 makes warning 4996 a level 1 warning.  This warning
-   dnl reports on functions that Microsoft considers unsafe or
-   dnl deprecated.  Removing these warnings helps people who want to
-   dnl write applications based on qpdf that can be Windows 8
-   dnl certified.
-   try_flags="-w14996"
-else
-   try_flags="-Wall"
-fi
-AC_MSG_CHECKING(for whether $CC supports $try_flags)
-oCFLAGS=$CFLAGS
-CFLAGS="$CFLAGS $try_flags"
-AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, int a = 1; int b = a; a = b;),
-                  qpdf_USE_EXTRA_WARNINGS=1,qpdf_USE_EXTRA_WARNINGS=0)
-CFLAGS=$oCFLAGS
-if test "$qpdf_USE_EXTRA_WARNINGS" = "1"; then
-   AC_MSG_RESULT(yes)
-   WFLAGS="$try_flags"
-else
-   AC_MSG_RESULT(no)
-fi
-if test "$BUILDRULES" != "msvc"; then
-   qpdf_USE_EXTRA_WARNINGS=0
-   try_flags="-Wold-style-cast"
-   AC_MSG_CHECKING(for whether $CXX supports $try_flags)
-   oCXXFLAGS=$CXXFLAGS
-   CXXFLAGS="$CXXFLAGS $try_flags"
-   AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, int a = 1; int b = a; a = b;),
-                     qpdf_USE_EXTRA_WARNINGS=1,qpdf_USE_EXTRA_WARNINGS=0)
-   CXXFLAGS=$oCXXFLAGS
-   if test "$qpdf_USE_EXTRA_WARNINGS" = "1"; then
-      AC_MSG_RESULT(yes)
-      CXXWFLAGS="$try_flags"
-   else
-      AC_MSG_RESULT(no)
-   fi
-fi
-
-if test "$BUILDRULES" = "msvc"; then
-   try_flags=-FS
-   AC_MSG_CHECKING(for whether $CC supports $try_flags)
-   oCFLAGS=$CFLAGS
-   CFLAGS="$CFLAGS $try_flags"
-   AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, int a = 1; int b = a; a = b;),
-                     qpdf_USE_FS=1,qpdf_USE_FS=0)
-   if test "$qpdf_USE_FS" = "1"; then
-      AC_MSG_RESULT(yes)
-      CXXFLAGS="$CXXFLAGS $try_flags"
-   else
-      AC_MSG_RESULT(no)
-      CFLAGS=$oCFLAGS
-   fi
-fi
-
-if test "$BUILDRULES" = "msvc"; then
-   try_flags="-WX"
-else
-   try_flags="-Werror"
-fi
-AC_MSG_CHECKING(for whether to use $try_flags)
-AC_ARG_ENABLE(werror,
-   AS_HELP_STRING(--enable-werror,
-                  whether to treat warnings as errors (default is no)),
-   if test "$enableval" = "yes"; then
-      qpdf_USE_WERROR=1;
-    else
-      qpdf_USE_WERROR=0;
-    fi, qpdf_USE_WERROR=0)
-if test "$qpdf_USE_WERROR" = "1"; then
-   AC_MSG_RESULT(yes)
-   WFLAGS="$WFLAGS $try_flags"
-else
-   AC_MSG_RESULT(no)
-fi
-
-AC_SUBST(QPDF_SKIP_TEST_COMPARE_IMAGES)
-AC_ARG_ENABLE(test-compare-images,
-   AS_HELP_STRING(--enable-test-compare-images,
-		  whether to compare images in test suite; disabled by default, enabling requires ghostscript and tiffcmp to be available),
-   if test "$enableval" = "no"; then
-      QPDF_SKIP_TEST_COMPARE_IMAGES=1
-    else
-      QPDF_SKIP_TEST_COMPARE_IMAGES=0
-    fi,
-   QPDF_SKIP_TEST_COMPARE_IMAGES=1)
-
-AC_SUBST(SHOW_FAILED_TEST_OUTPUT)
-AC_ARG_ENABLE(show-failed-test-output,
-   AS_HELP_STRING(--enable-show-failed-test-output,
-		  if specified, write failed test output to the console; useful for building on build servers where you can't easily open the test output files),
-   if test "$enableval" = "no"; then
-      SHOW_FAILED_TEST_OUTPUT=0
-    else
-      SHOW_FAILED_TEST_OUTPUT=1
-    fi,
-   SHOW_FAILED_TEST_OUTPUT=0)
-
-AC_ARG_WITH(docbook-xsl,
-   AS_HELP_STRING(--with-docbook-xsl=DIR,
-		  location of docbook 4.x xml stylesheets),
-   DOCBOOK_XSL=$withval,
-   DOCBOOK_XSL=/usr/share/xml/docbook/stylesheet/nwalsh)
-
-DOCBOOK_XHTML=
-AC_SUBST(DOCBOOK_XHTML)
-AC_MSG_CHECKING(for xml to xhtml docbook stylesheets)
-if test -f "$DOCBOOK_XSL/xhtml/docbook.xsl"; then
-   DOCBOOK_XHTML="$DOCBOOK_XSL/xhtml/docbook.xsl"
-   AC_MSG_RESULT($DOCBOOK_XHTML)
-else
-   AC_MSG_RESULT(no)
-fi
-DOCBOOK_FO=
-AC_SUBST(DOCBOOK_FO)
-AC_MSG_CHECKING(for xml to fo docbook stylesheets)
-if test -f "$DOCBOOK_XSL/fo/docbook.xsl"; then
-   DOCBOOK_FO="$DOCBOOK_XSL/fo/docbook.xsl"
-   AC_MSG_RESULT($DOCBOOK_FO)
-else
-   AC_MSG_RESULT(no)
-fi
-
-DOCBOOKX_DTD=
-AC_SUBST(DOCBOOKX_DTD)
-AC_ARG_WITH(docbookx-dtd,
-   AS_HELP_STRING(--with-docbookx-dtd=FILE,
-		  location of docbook 4.x xml DTD),
-   DOCBOOKX_DTD=$withval,
-   DOCBOOKX_DTD=/usr/share/xml/docbook/schema/dtd/4/docbookx.dtd)
-AC_MSG_CHECKING(for docbook 4.x xml DTD)
-if test -f "$DOCBOOKX_DTD"; then
-   AC_MSG_RESULT($DOCBOOKX_DTD)
-else
-   AC_MSG_RESULT(no)
-fi
-
-AC_CHECK_PROG(FOP,fop,fop,)
-AC_CHECK_PROG(XSLTPROC,xsltproc,xsltproc,)
-AC_CHECK_PROG(XMLLINT,xmllint,xmllint,)
-
-AC_ARG_ENABLE(doc-maintenance,
-   AS_HELP_STRING(--enable-doc-maintenance,
-		  if set, enables all documentation options),
-   if test "$enableval" = "yes"; then
-      doc_default=1;
-    else
-      doc_default=0;
-    fi,
-   doc_default=0)
-
-BUILD_HTML=0
-AC_SUBST(BUILD_HTML)
-AC_ARG_ENABLE(html-doc,
-   AS_HELP_STRING(--enable-html-doc,
-		  whether to build HTML documents),
-   if test "$enableval" = "yes"; then
-      BUILD_HTML=1;
-    else
-      BUILD_HTML=0;
-    fi,
-   BUILD_HTML=$doc_default)
-BUILD_PDF=0
-AC_SUBST(BUILD_PDF)
-AC_ARG_ENABLE(pdf-doc,
-   AS_HELP_STRING(--enable-pdf-doc,
-		  whether to build PDF documents),
-   if test "$enableval" = "yes"; then
-      BUILD_PDF=1;
-    else
-      BUILD_PDF=0;
-    fi,
-   BUILD_PDF=$doc_default)
-VALIDATE_DOC=0
-AC_SUBST(VALIDATE_DOC)
-AC_ARG_ENABLE(validate-doc,
-   AS_HELP_STRING(--enable-validate-doc,
-		  whether to validate xml document source),
-   if test "$enableval" = "yes"; then
-      VALIDATE_DOC=1;
-    else
-      VALIDATE_DOC=0;
-    fi,
-   VALIDATE_DOC=$doc_default)
-
-if test "$VALIDATE_DOC" = "1"; then
-   if test "$XMLLINT" = ""; then
-      MISSING_XMLLINT=1
-      MISSING_ANY=1
-   fi
-fi
-if test "$BUILD_HTML" = "1"; then
-   if test "$XSLTPROC" = ""; then
-      MISSING_XSLTPROC=1
-      MISSING_ANY=1
-   fi
-   if test "$DOCBOOK_XHTML" = ""; then
-      MISSING_DOCBOOK_XHTML=1
-      MISSING_ANY=1
-   fi
-fi
-if test "$BUILD_PDF" = "1"; then
-   if test "$XSLTPROC" = ""; then
-      MISSING_XSLTPROC=1
-      MISSING_ANY=1
-   fi
-   if test "$DOCBOOK_FO" = ""; then
-      MISSING_DOCBOOK_FO=1
-      MISSING_ANY=1
-   fi
-   if test "$FOP" = ""; then
-      MISSING_FOP=1
-      MISSING_ANY=1
-   fi
-fi
-
-
-if test "$MISSING_ANY" = "1"; then
-  ISSUE_WARNINGS=1
-fi
-if test "$ISSUE_WARNINGS" = "1"; then
-  echo ""
-  echo ""
-fi
-
-if test "$MISSING_MAKE_381" = "1"; then
-  AC_MSG_WARN(gnu make >= 3.81 is required)
-fi
-
-if test "$MISSING_ZLIB_H" = "1"; then
-  AC_MSG_WARN(unable to find required header zlib.h)
-fi
-
-if test "$MISSING_ZLIB" = "1"; then
-  AC_MSG_WARN(unable to find required library z (or zlib))
-fi
-
-if test "$MISSING_JPEG_H" = "1"; then
-  AC_MSG_WARN(unable to find required header jpeglib.h)
-fi
-
-if test "$MISSING_JPEG" = "1"; then
-  AC_MSG_WARN(unable to find required library jpeg)
-fi
-
-if test "$MISSING_DOCBOOK_FO" = "1"; then
-  AC_MSG_WARN(docbook fo stylesheets are required to build PDF documentation)
-fi
-
-if test "$MISSING_DOCBOOK_XHTML" = "1"; then
-  AC_MSG_WARN(docbook xhmtl stylesheets are required to build HTML documentation)
-fi
-
-if test "$MISSING_FOP" = "1"; then
-  AC_MSG_WARN(apache fop is required to build PDF documentation)
-fi
-
-if test "$MISSING_XMLLINT" = "1"; then
-  AC_MSG_WARN(xmllint is required to validate documentation)
-fi
-
-if test "$MISSING_XSLTPROC" = "1"; then
-  AC_MSG_WARN(xsltproc is required to build documentation)
-fi
-
-if test "$ISSUE_WARNINGS" = "1"; then
-  echo ""
-  echo ""
-fi
-
-if test "$MISSING_ANY" = "1"; then
-  AC_MSG_ERROR(some required prerequisites were not found)
-fi
-
-# Do this last so it doesn't interfere with other tests.
-if test "$USE_EXTERNAL_LIBS" = "1"; then
-   # Don't actually check for the presence of this -- we document that
-   # the user can run this and then edit autoconf.mk if they have too
-   # much trouble getting it to work with a different compiler.
-   CPPFLAGS="$CPPFLAGS -Iexternal-libs/include"
-   LDFLAGS="$LDFLAGS -Lexternal-libs/lib-$BUILDRULES$WINDOWS_WORDSIZE"
-   LIBS="$LIBS -lz -ljpeg"
-fi
-
-AC_OUTPUT

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@@ -1,4652 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>QPDF Manual</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /></head><body><div class="book"><div class="titlepage"><div><div><h1 class="title"><a id="idm45124393972512"></a>QPDF Manual</h1></div><div><h2 class="subtitle">For QPDF Version 8.4.2, May 18, 2019</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Jay</span> <span class="surname">Berkenbilt</span></h3></div></div><div><p class="copyright">Copyright © 2005–2019 Jay Berkenbilt</p></div></div><hr /></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="preface"><a href="#acknowledgments">General Information</a></span></dt><dt><span class="chapter"><a href="#ref.overview">1. What is QPDF?</a></span></dt><dt><span class="chapter"><a href="#ref.installing">2. Building and Installing QPDF</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref.prerequisites">2.1. System Requirements</a></span></dt><dt><span class="sect1"><a href="#ref.building">2.2. Build Instructions</a></span></dt><dt><span class="sect1"><a href="#ref.packaging">2.3. Notes for Packagers</a></span></dt></dl></dd><dt><span class="chapter"><a href="#ref.using">3. Running QPDF</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref.invocation">3.1. Basic Invocation</a></span></dt><dt><span class="sect1"><a href="#ref.shell-completion">3.2. Shell Completion</a></span></dt><dt><span class="sect1"><a href="#ref.basic-options">3.3. Basic Options</a></span></dt><dt><span class="sect1"><a href="#ref.encryption-options">3.4. Encryption Options</a></span></dt><dt><span class="sect1"><a href="#ref.page-selection">3.5. Page Selection Options</a></span></dt><dt><span class="sect1"><a href="#ref.overlay-underlay">3.6. Overlay and Underlay Options</a></span></dt><dt><span class="sect1"><a href="#ref.advanced-parsing">3.7. Advanced Parsing Options</a></span></dt><dt><span class="sect1"><a href="#ref.advanced-transformation">3.8. Advanced Transformation Options</a></span></dt><dt><span class="sect1"><a href="#ref.testing-options">3.9. Testing, Inspection, and Debugging Options</a></span></dt><dt><span class="sect1"><a href="#ref.unicode-passwords">3.10. Unicode Passwords</a></span></dt></dl></dd><dt><span class="chapter"><a href="#ref.qdf">4. QDF Mode</a></span></dt><dt><span class="chapter"><a href="#ref.using-library">5. Using the QPDF Library</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref.using.from-cxx">5.1. Using QPDF from C++</a></span></dt><dt><span class="sect1"><a href="#ref.using.other-languages">5.2. Using QPDF from other languages</a></span></dt><dt><span class="sect1"><a href="#ref.unicode-files">5.3. A Note About Unicode File Names</a></span></dt></dl></dd><dt><span class="chapter"><a href="#ref.json">6. QPDF JSON</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref.json-overview">6.1. Overview</a></span></dt><dt><span class="sect1"><a href="#ref.json-guarantees">6.2. JSON Guarantees</a></span></dt><dt><span class="sect1"><a href="#json.limitations">6.3. Limitations of JSON Representation</a></span></dt><dt><span class="sect1"><a href="#json.considerations">6.4. JSON: Special Considerations</a></span></dt></dl></dd><dt><span class="chapter"><a href="#ref.design">7. Design and Library Notes</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref.design.intro">7.1. Introduction</a></span></dt><dt><span class="sect1"><a href="#ref.design-goals">7.2. Design Goals</a></span></dt><dt><span class="sect1"><a href="#ref.helper-classes">7.3. Helper Classes</a></span></dt><dt><span class="sect1"><a href="#ref.implementation-notes">7.4. Implementation Notes</a></span></dt><dt><span class="sect1"><a href="#ref.casting">7.5. Casting Policy</a></span></dt><dt><span class="sect1"><a href="#ref.encryption">7.6. Encryption</a></span></dt><dt><span class="sect1"><a href="#ref.random-numbers">7.7. Random Number Generation</a></span></dt><dt><span class="sect1"><a href="#ref.adding-and-remove-pages">7.8. Adding and Removing Pages</a></span></dt><dt><span class="sect1"><a href="#ref.reserved-objects">7.9. Reserving Object Numbers</a></span></dt><dt><span class="sect1"><a href="#ref.foreign-objects">7.10. Copying Objects From Other PDF Files</a></span></dt><dt><span class="sect1"><a href="#ref.rewriting">7.11. Writing PDF Files</a></span></dt><dt><span class="sect1"><a href="#ref.filtered-streams">7.12. Filtered Streams</a></span></dt></dl></dd><dt><span class="chapter"><a href="#ref.linearization">8. Linearization</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref.linearization-strategy">8.1. Basic Strategy for Linearization</a></span></dt><dt><span class="sect1"><a href="#ref.linearized.preparation">8.2. Preparing For Linearization</a></span></dt><dt><span class="sect1"><a href="#ref.optimization">8.3. Optimization</a></span></dt><dt><span class="sect1"><a href="#ref.linearization.writing">8.4. Writing Linearized Files</a></span></dt><dt><span class="sect1"><a href="#ref.linearization-data">8.5. Calculating Linearization Data</a></span></dt><dt><span class="sect1"><a href="#ref.linearization-issues">8.6. Known Issues with Linearization</a></span></dt><dt><span class="sect1"><a href="#ref.linearization-debugging">8.7. Debugging Note</a></span></dt></dl></dd><dt><span class="chapter"><a href="#ref.object-and-xref-streams">9. Object and Cross-Reference Streams</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref.object-streams">9.1. Object Streams</a></span></dt><dt><span class="sect1"><a href="#ref.xref-streams">9.2. Cross-Reference Streams</a></span></dt><dd><dl><dt><span class="sect2"><a href="#ref.xref-stream-data">9.2.1. Cross-Reference Stream Data</a></span></dt></dl></dd><dt><span class="sect1"><a href="#ref.object-streams-linearization">9.3. Implications for Linearized Files</a></span></dt><dt><span class="sect1"><a href="#ref.object-stream-implementation">9.4. Implementation Notes</a></span></dt></dl></dd><dt><span class="appendix"><a href="#ref.release-notes">A. Release Notes</a></span></dt><dt><span class="appendix"><a href="#ref.upgrading-to-2.1">B. Upgrading from 2.0 to 2.1</a></span></dt><dt><span class="appendix"><a href="#ref.upgrading-to-3.0">C. Upgrading to 3.0</a></span></dt><dt><span class="appendix"><a href="#ref.upgrading-to-4.0">D. Upgrading to 4.0</a></span></dt></dl></div><div class="preface"><div class="titlepage"><div><div><h1 class="title"><a id="acknowledgments"></a>General Information</h1></div></div></div><p>
-   QPDF is a program that does structural, content-preserving
-   transformations on PDF files.  QPDF's website is located at <a class="ulink" href="http://qpdf.sourceforge.net/" target="_top">http://qpdf.sourceforge.net/</a>.
-   QPDF's source code is hosted on github at <a class="ulink" href="https://github.com/qpdf/qpdf" target="_top">https://github.com/qpdf/qpdf</a>.
-  </p><p>
-   QPDF is licensed under <a class="ulink" href="http://www.apache.org/licenses/LICENSE-2.0" target="_top">the Apache
-   License, Version 2.0</a> (the "License"). Unless required by
-   applicable law or agreed to in writing, software distributed under
-   the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
-   OR CONDITIONS OF ANY KIND, either express or implied. See the
-   License for the specific language governing permissions and
-   limitations under the License.
-  </p><p>
-   Versions of qpdf prior to version 7 were released under the terms
-   of <a class="ulink" href="https://opensource.org/licenses/Artistic-2.0" target="_top">the
-   Artistic License, version 2.0</a>. At your option, you may
-   continue to consider qpdf to be licensed under those terms. The
-   Apache License 2.0 permits everything that the Artistic License 2.0
-   permits but is slightly less restrictive. Allowing the Artistic
-   License to continue being used is primary to help people who may
-   have to get specific approval to use qpdf in their products.
-  </p><p>
-   QPDF is intentionally released with a permissive license. However,
-   if there is some reason that the licensing terms don't work for
-   your requirements, please feel free to contact the copyright holder
-   to make other arrangements.
-  </p><p>
-   QPDF was originally created in 2001 and modified periodically
-   between 2001 and 2005 during my employment at <a class="ulink" href="http://www.apexcovantage.com" target="_top">Apex CoVantage</a>.  Upon my
-   departure from Apex, the company graciously allowed me to take
-   ownership of the software and continue maintaining as an open
-   source project, a decision for which I am very grateful.  I have
-   made considerable enhancements to it since that time.  I feel
-   fortunate to have worked for people who would make such a decision.
-   This work would not have been possible without their support.
-  </p></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.overview"></a>Chapter 1. What is QPDF?</h1></div></div></div><p>
-   QPDF is a program that does structural, content-preserving
-   transformations on PDF files.  It could have been called something
-   like <span class="emphasis"><em>pdf-to-pdf</em></span>.  It also provides many useful
-   capabilities to developers of PDF-producing software or for people
-   who just want to look at the innards of a PDF file to learn more
-   about how they work.
-  </p><p>
-   With QPDF, it is possible to copy objects from one PDF file into
-   another and to manipulate the list of pages in a PDF file.  This
-   makes it possible to merge and split PDF files.  The QPDF library
-   also makes it possible for you to create PDF files from scratch.
-   In this mode, you are responsible for supplying all the contents of
-   the file, while the QPDF library takes care off all the syntactical
-   representation of the objects, creation of cross references tables
-   and, if you use them, object streams, encryption, linearization,
-   and other syntactic details.  You are still responsible for
-   generating PDF content on your own.
-  </p><p>
-   QPDF has been designed with very few external dependencies, and it
-   is intentionally very lightweight.  QPDF is
-   <span class="emphasis"><em>not</em></span> a PDF content creation library, a PDF
-   viewer, or a program capable of converting PDF into other formats.
-   In particular, QPDF knows nothing about the semantics of PDF
-   content streams.  If you are looking for something that can do
-   that, you should look elsewhere.  However, once you have a valid
-   PDF file, QPDF can be used to transform that file in ways perhaps
-   your original PDF creation can't handle.  For example, many
-   programs generate simple PDF files but can't password-protect them,
-   web-optimize them, or perform other transformations of that type.
-  </p></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.installing"></a>Chapter 2. Building and Installing QPDF</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="#ref.prerequisites">2.1. System Requirements</a></span></dt><dt><span class="sect1"><a href="#ref.building">2.2. Build Instructions</a></span></dt><dt><span class="sect1"><a href="#ref.packaging">2.3. Notes for Packagers</a></span></dt></dl></div><p>
-   This chapter describes how to build and install qpdf.  Please see
-   also the <code class="filename">README.md</code> and
-   <code class="filename">INSTALL</code> files in the source distribution.
-  </p><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.prerequisites"></a>2.1. System Requirements</h2></div></div></div><p>
-    The qpdf package has few external dependencies. In order to build
-    qpdf, the following packages are required:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       zlib: <a class="ulink" href="http://www.zlib.net/" target="_top">http://www.zlib.net/</a>
-      </p></li><li class="listitem"><p>
-       jpeg: <a class="ulink" href="http://www.ijg.org/files/" target="_top">http://www.ijg.org/files/</a>
-       or <a class="ulink" href="https://libjpeg-turbo.org/" target="_top">https://libjpeg-turbo.org/</a>
-      </p></li><li class="listitem"><p>
-       gnu make 3.81 or newer: <a class="ulink" href="http://www.gnu.org/software/make" target="_top">http://www.gnu.org/software/make</a>
-      </p></li><li class="listitem"><p>
-       perl version 5.8 or newer:
-       <a class="ulink" href="http://www.perl.org/" target="_top">http://www.perl.org/</a>;
-       required for <span class="command"><strong>fix-qdf</strong></span> and the test suite.
-      </p></li><li class="listitem"><p>
-       GNU diffutils (any version): <a class="ulink" href="http://www.gnu.org/software/diffutils/" target="_top">http://www.gnu.org/software/diffutils/</a>
-       is required to run the test suite.  Note that this is the
-       version of diff present on virtually all GNU/Linux systems.
-       This is required because the test suite uses <span class="command"><strong>diff
-       -u</strong></span>.
-      </p></li><li class="listitem"><p>
-       A C++ compiler that works well with STL and has the <span class="type">long
-       long</span> type. Most modern C++ compilers should fit the bill
-       fine. QPDF is tested with gcc, clang, and Microsoft Visual C++.
-      </p></li></ul></div><p>
-   </p><p>
-    Part of qpdf's test suite does comparisons of the contents PDF
-    files by converting them images and comparing the images.  The
-    image comparison tests are disabled by default.  Those tests are
-    not required for determining correctness of a qpdf build if you
-    have not modified the code since the test suite also contains
-    expected output files that are compared literally.  The image
-    comparison tests provide an extra check to make sure that any
-    content transformations don't break the rendering of pages.
-    Transformations that affect the content streams themselves are off
-    by default and are only provided to help developers look into the
-    contents of PDF files.  If you are making deep changes to the
-    library that cause changes in the contents of the files that qpdf
-    generates, then you should enable the image comparison tests.
-    Enable them by running <span class="command"><strong>configure</strong></span> with the
-    <code class="option">--enable-test-compare-images</code> flag.  If you enable
-    this, the following additional requirements are required by the
-    test suite.  Note that in no case are these items required to use
-    qpdf.
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       libtiff: <a class="ulink" href="http://www.remotesensing.org/libtiff/" target="_top">http://www.remotesensing.org/libtiff/</a>
-      </p></li><li class="listitem"><p>
-       GhostScript version 8.60 or newer: <a class="ulink" href="http://www.ghostscript.com" target="_top">http://www.ghostscript.com</a>
-      </p></li></ul></div><p>
-    If you do not enable this, then you do not need to have tiff and
-    ghostscript.
-   </p><p>
-    Pre-built documentation is distributed with qpdf, so you should
-    generally not need to rebuild the documentation.  In order to
-    build the documentation from its docbook sources, you need the
-    docbook XML style sheets (<a class="ulink" href="http://downloads.sourceforge.net/docbook/" target="_top">http://downloads.sourceforge.net/docbook/</a>).
-    To build the PDF version of the documentation, you need Apache fop
-    (<a class="ulink" href="http://xml.apache.org/fop/" target="_top">http://xml.apache.org/fop/</a>)
-    version 0.94 or higher.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.building"></a>2.2. Build Instructions</h2></div></div></div><p>
-    Building qpdf on UNIX is generally just a matter of running
-
-    </p><pre class="programlisting">./configure
-make
-</pre><p>
-    You can also run <span class="command"><strong>make check</strong></span> to run the test
-    suite and <span class="command"><strong>make install</strong></span> to install.  Please run
-    <span class="command"><strong>./configure --help</strong></span> for options on what can be
-    configured.  You can also set the value of
-    <code class="varname">DESTDIR</code> during installation to install to a
-    temporary location, as is common with many open source packages.
-    Please see also the <code class="filename">README.md</code> and
-    <code class="filename">INSTALL</code> files in the source distribution.
-   </p><p>
-    Building on Windows is a little bit more complicated.  For
-    details, please see <code class="filename">README-windows.md</code> in the
-    source distribution.  You can also download a binary distribution
-    for Windows.  There is a port of qpdf to Visual C++ version 6 in
-    the <code class="filename">contrib</code> area generously contributed by
-    Jian Ma.  This is also discussed in more detail in
-    <code class="filename">README-windows.md</code>.
-   </p><p>
-    There are some other things you can do with the build.  Although
-    qpdf uses <span class="application">autoconf</span>, it does not use
-    <span class="application">automake</span> but instead uses a
-    hand-crafted non-recursive Makefile that requires gnu make.  If
-    you're really interested, please read the comments in the
-    top-level <code class="filename">Makefile</code>.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.packaging"></a>2.3. Notes for Packagers</h2></div></div></div><p>
-    If you are packaging qpdf for an operating system distribution,
-    here are some things you may want to keep in mind:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       Passing <code class="option">--enable-show-failed-test-output</code> to
-       <span class="command"><strong>./configure</strong></span> will cause any failed test
-       output to be written to the console. This can be very useful
-       for seeing test failures generated by autobuilders where you
-       can't access qtest.log after the fact.
-      </p></li><li class="listitem"><p>
-       If qpdf's build environment detects the presence of autoconf
-       and related tools, it will check to ensure that automatically
-       generated files are up-to-date with recorded checksums and fail
-       if it detects a discrepancy. This feature is intended to
-       prevent you from accidentally forgetting to regenerate
-       automatic files after modifying their sources. If your
-       packaging environment automatically refreshes automatic files,
-       it can cause this check to fail. Suppress qpdf's checks by
-       passing <code class="option">--disable-check-autofiles</code> to
-       <span class="command"><strong>/.configure</strong></span>. This is safe since qpdf's
-       <span class="command"><strong>autogen.sh</strong></span> just runs autotools in the normal
-       way.
-      </p></li><li class="listitem"><p>
-       QPDF's <span class="command"><strong>make install</strong></span> does not install
-       completion files by default, but as a packager, it's good if
-       you install them wherever your distribution expects such files
-       to go. You can find completion files to install in the
-       <code class="filename">completions</code> directory.
-      </p></li><li class="listitem"><p>
-       Packagers are encouraged to install the source files from the
-       <code class="filename">examples</code> directory along with qpdf
-       development packages.
-      </p></li></ul></div><p>
-   </p></div></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.using"></a>Chapter 3. Running QPDF</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="#ref.invocation">3.1. Basic Invocation</a></span></dt><dt><span class="sect1"><a href="#ref.shell-completion">3.2. Shell Completion</a></span></dt><dt><span class="sect1"><a href="#ref.basic-options">3.3. Basic Options</a></span></dt><dt><span class="sect1"><a href="#ref.encryption-options">3.4. Encryption Options</a></span></dt><dt><span class="sect1"><a href="#ref.page-selection">3.5. Page Selection Options</a></span></dt><dt><span class="sect1"><a href="#ref.overlay-underlay">3.6. Overlay and Underlay Options</a></span></dt><dt><span class="sect1"><a href="#ref.advanced-parsing">3.7. Advanced Parsing Options</a></span></dt><dt><span class="sect1"><a href="#ref.advanced-transformation">3.8. Advanced Transformation Options</a></span></dt><dt><span class="sect1"><a href="#ref.testing-options">3.9. Testing, Inspection, and Debugging Options</a></span></dt><dt><span class="sect1"><a href="#ref.unicode-passwords">3.10. Unicode Passwords</a></span></dt></dl></div><p>
-   This chapter describes how to run the qpdf program from the command
-   line.
-  </p><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.invocation"></a>3.1. Basic Invocation</h2></div></div></div><p>
-    When running qpdf, the basic invocation is as follows:
-
-    </p><pre class="programlisting"><span class="command"><strong>qpdf</strong></span><code class="option">  <em class="replaceable"><code>options</code></em>  <em class="replaceable"><code>infilename</code></em>  <em class="replaceable"><code>outfilename</code></em> </code>
-</pre><p>
-    This converts PDF file <code class="option">infilename</code> to PDF file
-    <code class="option">outfilename</code>.  The output file is functionally
-    identical to the input file but may have been structurally
-    reorganized.  Also, orphaned objects will be removed from the
-    file.  Many transformations are available as controlled by the
-    options below.  In place of <code class="option">infilename</code>, the
-    parameter <code class="option">--empty</code> may be specified.  This causes
-    qpdf to use a dummy input file that contains zero pages.  The only
-    normal use case for using <code class="option">--empty</code> would be if you
-    were going to add pages from another source, as discussed in <a class="xref" href="#ref.page-selection" title="3.5. Page Selection Options">Section 3.5, “Page Selection Options”</a>.
-   </p><p>
-    If <code class="option">@filename</code> appears anywhere in the
-    command-line, it will be read line by line, and each line will be
-    treated as a command-line argument. The <code class="option">@-</code> option
-    allows arguments to be read from standard input. This allows qpdf
-    to be invoked with an arbitrary number of arbitrarily long
-    arguments. It is also very useful for avoiding having to pass
-    passwords on the command line.
-   </p><p>
-    <code class="option">outfilename</code> does not have to be seekable, even
-    when generating linearized files.  Specifying
-    “<code class="option">-</code>” as <code class="option">outfilename</code>
-    means to write to standard output.  However, you can't specify the
-    same file as both the input and the output because qpdf reads data
-    from the input file as it writes to the output file. QPDF attempts
-    to detect this case and fail without overwriting the output file.
-   </p><p>
-    Most options require an output file, but some testing or
-    inspection commands do not.  These are specifically noted.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.shell-completion"></a>3.2. Shell Completion</h2></div></div></div><p>
-    Starting in qpdf version 8.3.0, qpdf provides its own completion
-    support for zsh and bash. You can enable bash completion with
-    <span class="command"><strong>eval $(qpdf --completion-bash)</strong></span> and zsh
-    completion with <span class="command"><strong>eval $(qpdf --completion-zsh)</strong></span>.
-    If <span class="command"><strong>qpdf</strong></span> is not in your path, you should invoke
-    it above with an absolute path. If you invoke it with a relative
-    path, it will warn you, and the completion won't work if you're in
-    a different directory.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.basic-options"></a>3.3. Basic Options</h2></div></div></div><p>
-    The following options are the most common ones and perform
-    commonly needed transformations.
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--help</code></span></dt><dd><p>
-        Display command-line invocation help.
-       </p></dd><dt><span class="term"><code class="option">--version</code></span></dt><dd><p>
-        Display the current version of qpdf.
-       </p></dd><dt><span class="term"><code class="option">--copyright</code></span></dt><dd><p>
-        Show detailed copyright information.
-       </p></dd><dt><span class="term"><code class="option">--completion-bash</code></span></dt><dd><p>
-        Output a completion command you can eval to enable shell
-        completion from bash.
-       </p></dd><dt><span class="term"><code class="option">--completion-zsh</code></span></dt><dd><p>
-        Output a completion command you can eval to enable shell
-        completion from zsh.
-       </p></dd><dt><span class="term"><code class="option">--password=password</code></span></dt><dd><p>
-        Specifies a password for accessing encrypted files. Note that
-        you can use <code class="option">@filename</code> or <code class="option">@-</code>
-        as described above to put the password in a file or pass it
-        via standard input so you can avoid specifying it on the
-        command line.
-       </p></dd><dt><span class="term"><code class="option">--verbose</code></span></dt><dd><p>
-        Increase verbosity of output. For now, this just prints some
-        indication of any file that it creates.
-       </p></dd><dt><span class="term"><code class="option">--progress</code></span></dt><dd><p>
-        Indicate progress while writing files.
-       </p></dd><dt><span class="term"><code class="option">--no-warn</code></span></dt><dd><p>
-        Suppress writing of warnings to stderr. If warnings were
-        detected and suppressed, <span class="command"><strong>qpdf</strong></span> will still
-        exit with exit code 3.
-       </p></dd><dt><span class="term"><code class="option">--linearize</code></span></dt><dd><p>
-        Causes generation of a linearized (web-optimized) output file.
-       </p></dd><dt><span class="term"><code class="option">--copy-encryption=file</code></span></dt><dd><p>
-        Encrypt the file using the same encryption parameters,
-        including user and owner password, as the specified file.  Use
-        <code class="option">--encrypt-file-password</code> to specify a password
-        if one is needed to open this file.  Note that copying the
-        encryption parameters from a file also copies the first half
-        of <code class="literal">/ID</code> from the file since this is part of
-        the encryption parameters.
-       </p></dd><dt><span class="term"><code class="option">--encrypt-file-password=password</code></span></dt><dd><p>
-        If the file specified with <code class="option">--copy-encryption</code>
-        requires a password, specify the password using this option.
-        Note that only one of the user or owner password is required.
-        Both passwords will be preserved since QPDF does not
-        distinguish between the two passwords.  It is possible to
-        preserve encryption parameters, including the owner password,
-        from a file even if you don't know the file's owner password.
-       </p></dd><dt><span class="term"><code class="option">--encrypt options --</code></span></dt><dd><p>
-        Causes generation an encrypted output file.  Please see <a class="xref" href="#ref.encryption-options" title="3.4. Encryption Options">Section 3.4, “Encryption Options”</a> for details on how to
-        specify encryption parameters.
-       </p></dd><dt><span class="term"><code class="option">--decrypt</code></span></dt><dd><p>
-        Removes any encryption on the file.  A password must be
-        supplied if the file is password protected.
-       </p></dd><dt><span class="term"><code class="option">--password-is-hex-key</code></span></dt><dd><p>
-        Overrides the usual computation/retrieval of the PDF file's
-        encryption key from user/owner password with an explicit
-        specification of the encryption key. When this option is
-        specified, the argument to the <code class="option">--password</code>
-        option is interpreted as a hexadecimal-encoded key value. This
-        only applies to the password used to open the main input file.
-        It does not apply to other files opened by
-        <code class="option">--pages</code> or other options or to files being
-        written.
-       </p><p>
-        Most users will never have a need for this option, and no
-        standard viewers support this mode of operation, but it can be
-        useful for forensic or investigatory purposes. For example, if
-        a PDF file is encrypted with an unknown password, a
-        brute-force attack using the key directly is sometimes more
-        efficient than one using the password. Also, if a file is
-        heavily damaged, it may be possible to derive the encryption
-        key and recover parts of the file using it directly. To expose
-        the encryption key used by an encrypted file that you can open
-        normally, use the <code class="option">--show-encryption-key</code>
-        option.
-       </p></dd><dt><span class="term"><code class="option">--suppress-password-recovery</code></span></dt><dd><p>
-        Ordinarily, qpdf attempts to automatically compensate for
-        passwords specified in the wrong character encoding. This
-        option suppresses that behavior. Under normal conditions,
-        there are no reasons to use this option. See <a class="xref" href="#ref.unicode-passwords" title="3.10. Unicode Passwords">Section 3.10, “Unicode Passwords”</a> for a discussion
-       </p></dd><dt><span class="term"><code class="option">--password-mode=<em class="replaceable"><code>mode</code></em></code></span></dt><dd><p>
-        This option can be used to fine-tune how qpdf interprets
-        Unicode (non-ASCII) password strings passed on the command
-        line. With the exception of the <code class="option">hex-bytes</code>
-        mode, these only apply to passwords provided when encrypting
-        files. The <code class="option">hex-bytes</code> mode also applies to
-        passwords specified for reading files. For additional
-        discussion of the supported password modes and when you might
-        want to use them, see <a class="xref" href="#ref.unicode-passwords" title="3.10. Unicode Passwords">Section 3.10, “Unicode Passwords”</a>.
-        The following modes are supported:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <code class="option">auto</code>: Automatically determine whether the
-           specified password is a properly encoded Unicode (UTF-8)
-           string, and transcode it as required by the PDF spec based
-           on the type encryption being applied. On Windows starting
-           with version 8.4.0, and on almost all other modern
-           platforms, incoming passwords will be properly encoded in
-           UTF-8, so this is almost always what you want.
-          </p></li><li class="listitem"><p>
-           <code class="option">unicode</code>: Tells qpdf that the incoming
-           password is UTF-8, overriding whatever its automatic
-           detection determines. The only difference between this mode
-           and <code class="option">auto</code> is that qpdf will fail with an
-           error message if the password is not valid UTF-8 instead of
-           falling back to <code class="option">bytes</code> mode with a warning.
-          </p></li><li class="listitem"><p>
-           <code class="option">bytes</code>: Interpret the password as a literal
-           byte string. For non-Windows platforms, this is what
-           versions of qpdf prior to 8.4.0 did. For Windows platforms,
-           there is no way to specify strings of binary data on the
-           command line directly, but you can use the
-           <code class="option">@filename</code> option to do it, in which case
-           this option forces qpdf to respect the string of bytes as
-           provided. This option will allow you to encrypt PDF files
-           with passwords that will not be usable by other readers.
-          </p></li><li class="listitem"><p>
-           <code class="option">hex-bytes</code>: Interpret the password as a
-           hex-encoded string. This provides a way to pass binary data
-           as a password on all platforms including Windows. As with
-           <code class="option">bytes</code>, this option may allow creation of
-           files that can't be opened by other readers. This mode
-           affects qpdf's interpretation of passwords specified for
-           decrypting files as well as for encrypting them. It makes
-           it possible to specify strings that are encoded in some
-           manner other than the system's default encoding.
-          </p></li></ul></div><p>
-       </p></dd><dt><span class="term"><code class="option">--rotate=+|-angle:page-range</code></span></dt><dd><p>
-        Apply rotation to specified pages. The
-        <code class="option">page-range</code> portion of the option value has
-        the same format as page ranges in <a class="xref" href="#ref.page-selection" title="3.5. Page Selection Options">Section 3.5, “Page Selection Options”</a>. If the page range is omitted,
-        the rotation is applied to all pages. The
-        <code class="option">angle</code> portion of the parameter may be either
-        90, 180, or 270. If preceded by <code class="option">+</code> or
-        <code class="option">-</code>, the angle is added to or subtracted from
-        the specified pages' original rotations. Otherwise the pages'
-        rotations are set to the exact value. For example, the command
-        <span class="command"><strong>qpdf in.pdf out.pdf --rotate=+90:2,4,6
-        --rotate=180:7-8</strong></span> would rotate pages 2, 4, and 6 90
-        degrees clockwise from their original rotation and force the
-        rotation of pages 7 through 9 to 180 degrees regardless of
-        their original rotation, and the command <span class="command"><strong>qpdf in.pdf
-        out.pdf --rotate=180</strong></span> would rotate all pages by 180
-        degrees.
-       </p></dd><dt><span class="term"><code class="option">--keep-files-open=<em class="replaceable"><code>yn</code></em></code></span></dt><dd><p>
-        This option controls whether qpdf keeps individual files open
-        while merging. Prior to version 8.1.0, qpdf always kept all
-        files open, but this meant that the number of files that could
-        be merged was limited by the operating system's open file
-        limit. Version 8.1.0 opened files as they were referenced and
-        closed them after each read, but this caused a major
-        performance impact. Version 8.2.0 optimized the performance
-        but did so in a way that, for local file systems, there was a
-        small but unavoidable performance hit, but for networked file
-        systems, the performance impact could be very high. Starting
-        with version 8.2.1, the default behavior is that files are
-        kept open if no more than 200 files are specified, but that
-        the behavior can be explicitly overridden with the
-        <code class="option">--keep-files-open</code> flag. If you are merging
-        more than 200 files but less than the operating system's max
-        open files limit, you may want to use
-        <code class="option">--keep-files-open=y</code>, especially if working
-        over a networked file system. If you are using a local file
-        system where the overhead is low and you might sometimes merge
-        more than the OS limit's number of files from a script and are
-        not worried about a few seconds additional processing time,
-        you may want to specify <code class="option">--keep-files-open=n</code>.
-        The threshold for switching may be changed from the default
-        200 with the <code class="option">--keep-files-open-threshold</code>
-        option.
-       </p></dd><dt><span class="term"><code class="option">--keep-files-open-threshold=<em class="replaceable"><code>count</code></em></code></span></dt><dd><p>
-        If specified, overrides the default value of 200 used as the
-        threshold for qpdf deciding whether or not to keep files open.
-        See <code class="option">--keep-files-open</code> for details.
-       </p></dd><dt><span class="term"><code class="option">--pages options --</code></span></dt><dd><p>
-        Select specific pages from one or more input files.  See <a class="xref" href="#ref.page-selection" title="3.5. Page Selection Options">Section 3.5, “Page Selection Options”</a> for details on how to do page
-        selection (splitting and merging).
-       </p></dd><dt><span class="term"><code class="option">--collate</code></span></dt><dd><p>
-        When specified, collate rather than concatenate pages from
-        files specified with <code class="option">--pages</code>.  See <a class="xref" href="#ref.page-selection" title="3.5. Page Selection Options">Section 3.5, “Page Selection Options”</a> for additional details.
-       </p></dd><dt><span class="term"><code class="option">--split-pages=n</code></span></dt><dd><p>
-        Write each group of <code class="option">n</code> pages to a separate
-        output file. If <code class="option">n</code> is not specified, create
-        single pages. Output file names are generated as follows:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           If the string <code class="literal">%d</code> appears in the output
-           file name, it is replaced with a range of zero-padded page
-           numbers starting from 1.
-          </p></li><li class="listitem"><p>
-           Otherwise, if the output file name ends in
-           <code class="filename">.pdf</code> (case insensitive), a zero-padded
-           page range, preceded by a dash, is inserted before the file
-           extension.
-          </p></li><li class="listitem"><p>
-           Otherwise, the file name is appended with a zero-padded
-           page range preceded by a dash.
-          </p></li></ul></div><p>
-       </p><p>
-        Page ranges are a single number in the case of single-page
-        groups or two numbers separated by a dash otherwise.
-        For example, if <code class="filename">infile.pdf</code> has 12 pages
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <span class="command"><strong>qpdf --split-pages infile.pdf %d-out</strong></span>
-           would generate files <code class="filename">01-out</code> through
-           <code class="filename">12-out</code>
-          </p></li><li class="listitem"><p>
-           <span class="command"><strong>qpdf --split-pages=2 infile.pdf
-           outfile.pdf</strong></span> would generate files
-           <code class="filename">outfile-01-02.pdf</code> through
-           <code class="filename">outfile-11-12.pdf</code>
-          </p></li><li class="listitem"><p>
-           <span class="command"><strong>qpdf --split-pages infile.pdf
-           something.else</strong></span> would generate files
-           <code class="filename">something.else-01</code> through
-           <code class="filename">something.else-12</code>
-          </p></li></ul></div><p>
-       </p><p>
-        Note that outlines, threads, and other global features of the
-        original PDF file are not preserved. For each page of output,
-        this option creates an empty PDF and copies a single page from
-        the output into it. If you require the global data, you will
-        have to run <span class="command"><strong>qpdf</strong></span> with the
-        <code class="option">--pages</code> option once for each file. Using
-        <code class="option">--split-pages</code> is much faster if you don't
-        require the global data.
-       </p></dd><dt><span class="term"><code class="option">--overlay options --</code></span></dt><dd><p>
-        Overlay pages from another file onto the output pages. See
-        <a class="xref" href="#ref.overlay-underlay" title="3.6. Overlay and Underlay Options">Section 3.6, “Overlay and Underlay Options”</a> for details on
-        overlay/underlay.
-       </p></dd><dt><span class="term"><code class="option">--underlay options --</code></span></dt><dd><p>
-        Overlay pages from another file onto the output pages. See
-        <a class="xref" href="#ref.overlay-underlay" title="3.6. Overlay and Underlay Options">Section 3.6, “Overlay and Underlay Options”</a> for details on
-        overlay/underlay.
-       </p></dd></dl></div><p>
-   </p><p>
-    Password-protected files may be opened by specifying a password.
-    By default, qpdf will preserve any encryption data associated with
-    a file.  If <code class="option">--decrypt</code> is specified, qpdf will
-    attempt to remove any encryption information.  If
-    <code class="option">--encrypt</code> is specified, qpdf will replace the
-    document's encryption parameters with whatever is specified.
-   </p><p>
-    Note that qpdf does not obey encryption restrictions already
-    imposed on the file.  Doing so would be meaningless since qpdf can
-    be used to remove encryption from the file entirely.  This
-    functionality is not intended to be used for bypassing copyright
-    restrictions or other restrictions placed on files by their
-    producers.
-   </p><p>
-    Prior to 8.4.0, in the case of passwords that contain characters
-    that fall outside of 7-bit US-ASCII, qpdf left the burden of
-    supplying properly encoded encryption and decryption passwords to
-    the user. Starting in qpdf 8.4.0, qpdf does this automatically in
-    most cases. For an in-depth discussion, please see <a class="xref" href="#ref.unicode-passwords" title="3.10. Unicode Passwords">Section 3.10, “Unicode Passwords”</a>. Previous versions of this
-    manual described workarounds using the <span class="command"><strong>iconv</strong></span>
-    command. Such workarounds are no longer required or recommended
-    with qpdf 8.4.0. However, for backward compatibility, qpdf
-    attempts to detect those workarounds and do the right thing in
-    most cases.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.encryption-options"></a>3.4. Encryption Options</h2></div></div></div><p>
-    To change the encryption parameters of a file, use the --encrypt
-    flag.  The syntax is
-
-    </p><pre class="programlisting"><code class="option">--encrypt <em class="replaceable"><code>user-password</code></em> <em class="replaceable"><code>owner-password</code></em> <em class="replaceable"><code>key-length</code></em>  <em class="replaceable"><code>restrictions</code></em>  --</code>
-</pre><p>
-    Note that “<code class="option">--</code>” terminates parsing of
-    encryption flags and must be present even if no restrictions are
-    present.
-   </p><p>
-    Either or both of the user password and the owner password may be
-    empty strings.
-   </p><p>
-    The value for
-    <code class="option"><em class="replaceable"><code>key-length</code></em></code> may be 40,
-    128, or 256.  The restriction flags are dependent upon key length.
-    When no additional restrictions are given, the default is to be
-    fully permissive.
-   </p><p>
-    If <code class="option"><em class="replaceable"><code>key-length</code></em></code> is 40,
-    the following restriction options are available:
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--print=yn</code></span></dt><dd><p>
-        Determines whether or not to allow printing.
-       </p></dd><dt><span class="term"><code class="option">--modify=yn</code></span></dt><dd><p>
-        Determines whether or not to allow document modification.
-       </p></dd><dt><span class="term"><code class="option">--extract=yn</code></span></dt><dd><p>
-        Determines whether or not to allow text/image extraction.
-       </p></dd><dt><span class="term"><code class="option">--annotate=yn</code></span></dt><dd><p>
-        Determines whether or not to allow comments and form fill-in
-        and signing.
-       </p></dd></dl></div><p>
-    If <code class="option"><em class="replaceable"><code>key-length</code></em></code> is 128,
-    the following restriction options are available:
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--accessibility=yn</code></span></dt><dd><p>
-        Determines whether or not to allow accessibility to visually
-        impaired. The qpdf library disregards this field when AES is
-        used or when 256-bit encryption is used. You should really
-        never disable accessibility, but qpdf lets you do it in case
-        you need to configure a file this way for testing purposes.
-        The PDF spec says that conforming readers should disregard
-        this permission and always allow accessibility.
-       </p></dd><dt><span class="term"><code class="option">--extract=yn</code></span></dt><dd><p>
-        Determines whether or not to allow text/graphic extraction.
-       </p></dd><dt><span class="term"><code class="option">--assemble=yn</code></span></dt><dd><p>
-        Determines whether document assembly (rotation and reordering
-        of pages) is allowed.
-       </p></dd><dt><span class="term"><code class="option">--annotate=yn</code></span></dt><dd><p>
-        Determines whether modifying annotations is allowed. This
-        includes adding comments and filling in form fields. Also
-        allows editing of form fields if
-        <code class="option">--modify-other=y</code> is given.
-       </p></dd><dt><span class="term"><code class="option">--form=yn</code></span></dt><dd><p>
-        Determines whether filling form fields is allowed.
-       </p></dd><dt><span class="term"><code class="option">--modify-other=yn</code></span></dt><dd><p>
-        Allow all document editing except those controlled separately
-        by the <code class="option">--assemble</code>,
-        <code class="option">--annotate</code>, and <code class="option">--form</code>
-        options.
-       </p></dd><dt><span class="term"><code class="option">--print=<em class="replaceable"><code>print-opt</code></em></code></span></dt><dd><p>
-        Controls printing access.
-        <code class="option"><em class="replaceable"><code>print-opt</code></em></code> may be
-        one of the following:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <code class="option">full</code>: allow full printing
-          </p></li><li class="listitem"><p>
-           <code class="option">low</code>: allow low-resolution printing only
-          </p></li><li class="listitem"><p>
-           <code class="option">none</code>: disallow printing
-          </p></li></ul></div><p>
-       </p></dd><dt><span class="term"><code class="option">--modify=<em class="replaceable"><code>modify-opt</code></em></code></span></dt><dd><p>
-        Controls modify access. This way of controlling modify access
-        has less granularity than new options added in qpdf 8.4.
-        <code class="option"><em class="replaceable"><code>modify-opt</code></em></code> may be
-        one of the following:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <code class="option">all</code>: allow full document modification
-          </p></li><li class="listitem"><p>
-           <code class="option">annotate</code>: allow comment authoring, form
-           operations, and document assembly
-          </p></li><li class="listitem"><p>
-           <code class="option">form</code>: allow form field fill-in and signing
-           and document assembly
-          </p></li><li class="listitem"><p>
-           <code class="option">assembly</code>: allow document assembly only
-          </p></li><li class="listitem"><p>
-           <code class="option">none</code>: allow no modifications
-          </p></li></ul></div><p>
-        Using the <code class="option">--modify</code> option does not allow you
-        to create certain combinations of permissions such as allowing
-        form filling but not allowing document assembly. Starting with
-        qpdf 8.4, you can either just use the other options to control
-        fields individually, or you can use something like
-        <code class="option">--modify=form --assembly=n</code> to fine tune.
-       </p></dd><dt><span class="term"><code class="option">--cleartext-metadata</code></span></dt><dd><p>
-        If specified, any metadata stream in the document will be left
-        unencrypted even if the rest of the document is encrypted.
-        This also forces the PDF version to be at least 1.5.
-       </p></dd><dt><span class="term"><code class="option">--use-aes=yn</code></span></dt><dd><p>
-        If <code class="option">--use-aes=y</code> is specified, AES encryption
-        will be used instead of RC4 encryption.  This forces the PDF
-        version to be at least 1.6.
-       </p></dd><dt><span class="term"><code class="option">--force-V4</code></span></dt><dd><p>
-        Use of this option forces the <code class="literal">/V</code> and
-        <code class="literal">/R</code> parameters in the document's encryption
-        dictionary to be set to the value <code class="literal">4</code>.  As
-        qpdf will automatically do this when required, there is no
-        reason to ever use this option.  It exists primarily for use
-        in testing qpdf itself.  This option also forces the PDF
-        version to be at least 1.5.
-       </p></dd></dl></div><p>
-    If <code class="option"><em class="replaceable"><code>key-length</code></em></code> is 256,
-    the minimum PDF version is 1.7 with extension level 8, and the
-    AES-based encryption format used is the PDF 2.0 encryption method
-    supported by Acrobat X.  the same options are available as with
-    128 bits with the following exceptions:
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--use-aes</code></span></dt><dd><p>
-        This option is not available with 256-bit keys.  AES is always
-        used with 256-bit encryption keys.
-       </p></dd><dt><span class="term"><code class="option">--force-V4</code></span></dt><dd><p>
-        This option is not available with 256 keys.
-       </p></dd><dt><span class="term"><code class="option">--force-R5</code></span></dt><dd><p>
-        If specified, qpdf sets the minimum version to 1.7 at
-        extension level 3 and writes the deprecated encryption format
-        used by Acrobat version IX.  This option should not be used in
-        practice to generate PDF files that will be in general use,
-        but it can be useful to generate files if you are trying to
-        test proper support in another application for PDF files
-        encrypted in this way.
-       </p></dd></dl></div><p>
-    The default for each permission option is to be fully permissive.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.page-selection"></a>3.5. Page Selection Options</h2></div></div></div><p>
-    Starting with qpdf 3.0, it is possible to split and merge PDF
-    files by selecting pages from one or more input files.  Whatever
-    file is given as the primary input file is used as the starting
-    point, but its pages are replaced with pages as specified.
-
-    </p><pre class="programlisting"><code class="option">--pages <em class="replaceable"><code>input-file</code></em>  <em class="replaceable"><code>--password=password</code></em>   <em class="replaceable"><code>page-range</code></em>   ...  --</code>
-</pre><p>
-    Multiple input files may be specified.  Each one is given as the
-    name of the input file, an optional password (if required to open
-    the file), and the range of pages.  Note that
-    “<code class="option">--</code>” terminates parsing of page
-    selection flags.
-   </p><p>
-    Starting with qpf 8.4, the special input file name
-    “<code class="filename">.</code>” can be used shortcut for the
-    primary input filename.
-   </p><p>
-    For each file that pages should be taken from, specify the file, a
-    password needed to open the file (if any), and a page range.  The
-    password needs to be given only once per file.  If any of the
-    input files are the same as the primary input file or the file
-    used to copy encryption parameters (if specified), you do not need
-    to repeat the password here.  The same file can be repeated
-    multiple times.  If a file that is repeated has a password, the
-    password only has to be given the first time.  All non-page data
-    (info, outlines, page numbers, etc.) are taken from the primary
-    input file.  To discard these, use <code class="option">--empty</code> as the
-    primary input.
-   </p><p>
-    Starting with qpdf 5.0.0, it is possible to omit the page range.
-    If qpdf sees a value in the place where it expects a page range
-    and that value is not a valid range but is a valid file name, qpdf
-    will implicitly use the range <code class="literal">1-z</code>, meaning that
-    it will include all pages in the file.  This makes it possible to
-    easily combine all pages in a set of files with a command like
-    <span class="command"><strong>qpdf --empty out.pdf --pages *.pdf --</strong></span>.
-   </p><p>
-    The page range is a set of numbers separated by commas, ranges of
-    numbers separated dashes, or combinations of those. The character
-    “z” represents the last page. A number preceded by an
-    “r” indicates to count from the end, so
-    <code class="literal">r3-r1</code> would be the last three pages of the
-    document. Pages can appear in any order. Ranges can appear with a
-    high number followed by a low number, which causes the pages to
-    appear in reverse. Repeating a number will cause an error, but you
-    can use the workaround discussed above should you really want to
-    include the same page twice.
-   </p><p>
-    Example page ranges:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       <code class="literal">1,3,5-9,15-12</code>: pages 1, 3, 5, 6, 7, 8,
-       9, 15, 14, 13, and 12 in that order.
-      </p></li><li class="listitem"><p>
-       <code class="literal">z-1</code>: all pages in the document in reverse
-      </p></li><li class="listitem"><p>
-       <code class="literal">r3-r1</code>: the last three pages of the document
-      </p></li><li class="listitem"><p>
-       <code class="literal">r1-r3</code>: the last three pages of the document
-       in reverse order
-      </p></li></ul></div><p>
-   </p><p>
-    Starting in qpdf version 8.3, you can specify the
-    <code class="option">--collate</code> option. Note that this option is
-    specified outside of <code class="option">--pages ... --</code>.
-    When <code class="option">--collate</code> is specified, it changes the
-    meaning of <code class="option">--pages</code> so that the specified files,
-    as modified by page ranges, are collated rather than concatenated.
-    For example, if you add the files <code class="filename">odd.pdf</code> and
-    <code class="filename">even.pdf</code> containing odd and even pages of a
-    document respectively, you could run <span class="command"><strong>qpdf --collate
-    odd.pdf --pages odd.pdf even.pdf -- all.pdf</strong></span> to collate
-    the pages. This would pick page 1 from odd, page 1 from even, page
-    2 from odd, page 2 from even, etc. until all pages have been
-    included. Any number of files and page ranges can be specified. If
-    any file has fewer pages, that file is just skipped when its pages
-    have all been included. For example, if you ran <span class="command"><strong>qpdf
-    --collate --empty --pages a.pdf 1-5 b.pdf 6-4 c.pdf r1 --
-    out.pdf</strong></span>, you would get the following pages in this
-    order:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>a.pdf page 1</p></li><li class="listitem"><p>b.pdf page 6</p></li><li class="listitem"><p>c.pdf last page</p></li><li class="listitem"><p>a.pdf page 2</p></li><li class="listitem"><p>b.pdf page 5</p></li><li class="listitem"><p>a.pdf page 3</p></li><li class="listitem"><p>b.pdf page 4</p></li><li class="listitem"><p>a.pdf page 4</p></li><li class="listitem"><p>a.pdf page 5</p></li></ul></div><p>
-   </p><p>
-    Starting in qpdf version 8.3, when you split and merge files, any
-    page labels (page numbers) are preserved in the final file. It is
-    expected that more document features will be preserved by
-    splitting and merging. In the mean time, semantics of splitting
-    and merging vary across features. For example, the document's
-    outlines (bookmarks) point to actual page objects, so if you
-    select some pages and not others, bookmarks that point to pages
-    that are in the output file will work, and remaining bookmarks
-    will not work. A future version of <span class="command"><strong>qpdf</strong></span> may do
-    a better job at handling these issues. (Note that the qpdf library
-    already contains all of the APIs required in order to implement
-    this in your own application if you need it.) In the mean time,
-    you can always use <code class="option">--empty</code> as the primary input
-    file to avoid copying all of that from the first file. For
-    example, to take pages 1 through 5 from a
-    <code class="filename">infile.pdf</code> while preserving all metadata
-    associated with that file, you could use
-
-    </p><pre class="programlisting"><span class="command"><strong>qpdf</strong></span> <code class="option">infile.pdf --pages . 1-5 -- outfile.pdf</code>
-</pre><p>
-    If you wanted pages 1 through 5 from
-    <code class="filename">infile.pdf</code> but you wanted the rest of the
-    metadata to be dropped, you could instead run
-
-    </p><pre class="programlisting"><span class="command"><strong>qpdf</strong></span> <code class="option">--empty --pages infile.pdf 1-5 -- outfile.pdf</code>
-</pre><p>
-    If you wanted to take pages 1–5 from
-    <code class="filename">file1.pdf</code> and pages 11–15 from
-    <code class="filename">file2.pdf</code> in reverse, you would run
-
-    </p><pre class="programlisting"><span class="command"><strong>qpdf</strong></span> <code class="option">file1.pdf --pages file1.pdf 1-5 . 15-11 -- outfile.pdf</code>
-</pre><p>
-    If, for some reason, you wanted to take the first page of an
-    encrypted file called <code class="filename">encrypted.pdf</code> with
-    password <code class="literal">pass</code> and repeat it twice in an output
-    file, and if you wanted to drop document-level metadata but
-    preserve encryption, you would use
-
-    </p><pre class="programlisting"><span class="command"><strong>qpdf</strong></span> <code class="option">--empty --copy-encryption=encrypted.pdf --encryption-file-password=pass
---pages encrypted.pdf --password=pass 1 ./encrypted.pdf --password=pass 1 --
-outfile.pdf</code>
-</pre><p>
-    Note that we had to specify the password all three times because
-    giving a password as <code class="option">--encryption-file-password</code>
-    doesn't count for page selection, and as far as qpdf is concerned,
-    <code class="filename">encrypted.pdf</code> and
-    <code class="filename">./encrypted.pdf</code> are separated files.  These
-    are all corner cases that most users should hopefully never have
-    to be bothered with.
-   </p><p>
-    Prior to version 8.4, it was not possible to specify the same page
-    from the same file directly more than once, and the workaround of
-    specifying the same file in more than one way was required.
-    Version 8.4 removes this limitation.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.overlay-underlay"></a>3.6. Overlay and Underlay Options</h2></div></div></div><p>
-    Starting with qpdf 8.4, it is possible to overlay or underlay
-    pages from other files onto the output generated by qpdf. Specify
-    overlay or underlay as follows:
-
-    </p><pre class="programlisting">{ <code class="option">--overlay</code> | <code class="option">--underlay</code> } <em class="replaceable"><code>file</code></em>  <code class="option">options</code>  <code class="option">--</code>
-</pre><p>
-    Overlay and underlay options are processed late, so they can be
-    combined with other like merging and will apply to the final
-    output. The <code class="option">--overlay</code> and
-    <code class="option">--underlay</code> options work the same way, except
-    underlay pages are drawn underneath the page to which they are
-    applied, possibly obscured by the original page, and overlay files
-    are drawn on top of the page to which they are applied, possibly
-    obscuring the page. You can combine overlay and underlay.
-   </p><p>
-    The default behavior of overlay and underlay is that pages are
-    taken from the overlay/underlay file in sequence and applied to
-    corresponding pages in the output until there are no more output
-    pages. If the overlay or underlay file runs out of pages,
-    remaining output pages are left alone. This behavior can be
-    modified by options, which are provided between the
-    <code class="option">--overlay</code> or <code class="option">--underlay</code> flag and
-    the <code class="option">--</code> option. The following options are
-    supported:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       <code class="option">--password=password</code>: supply a password if the
-       overlay/underlay file is encrypted.
-      </p></li><li class="listitem"><p>
-       <code class="option">--to=page-range</code>: a range of pages in the same
-       form at described in <a class="xref" href="#ref.page-selection" title="3.5. Page Selection Options">Section 3.5, “Page Selection Options”</a>
-       indicates which pages in the output should have the
-       overlay/underlay applied. If not specified, overlay/underlay
-       are applied to all pages.
-      </p></li><li class="listitem"><p>
-       <code class="option">--from=page-range</code>: a range of pages that
-       specifies which pages in the overlay/underlay file will be used
-       for overlay or underlay. If not specified, all pages will be
-       used. This can be explicitly specified to be empty if
-       <code class="option">--repeat</code> is used.
-      </p></li><li class="listitem"><p>
-       <code class="option">--repeat=page-range</code>: an optional range of
-       pages that specifies which pages in the overlay/underlay file
-       will be repeated after the “from” pages are used
-       up. If you want to repeat a range of pages starting at the
-       beginning, you can explicitly use <code class="option">--from=</code>.
-      </p></li></ul></div><p>
-   </p><p>
-    Here are some examples.
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       <span class="command"><strong>--overlay o.pdf --to=1-5 --from=1-3
-       --repeat=4 --</strong></span>: overlay the first three pages from file
-       <code class="filename">o.pdf</code> onto the first three pages of the
-       output, then overlay page 4 from <code class="filename">o.pdf</code>
-       onto pages 4 and 5 of the output. Leave remaining output pages
-       untouched.
-      </p></li><li class="listitem"><p>
-       <span class="command"><strong>--underlay footer.pdf --from= --repeat=1,2 --</strong></span>:
-       Underlay page 1 of <code class="filename">footer.pdf</code> on all odd
-       output pages, and underlay page 2 of
-       <code class="filename">footer.pdf</code> on all even output pages.
-      </p></li></ul></div><p>
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.advanced-parsing"></a>3.7. Advanced Parsing Options</h2></div></div></div><p>
-    These options control aspects of how qpdf reads PDF files. Mostly
-    these are of use to people who are working with damaged files.
-    There is little reason to use these options unless you are trying
-    to solve specific problems. The following options are available:
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--suppress-recovery</code></span></dt><dd><p>
-        Prevents qpdf from attempting to recover damaged files.
-       </p></dd><dt><span class="term"><code class="option">--ignore-xref-streams</code></span></dt><dd><p>
-        Tells qpdf to ignore any cross-reference streams.
-       </p></dd></dl></div><p>
-   </p><p>
-    Ordinarily, qpdf will attempt to recover from certain types of
-    errors in PDF files.  These include errors in the cross-reference
-    table, certain types of object numbering errors, and certain types
-    of stream length errors.  Sometimes, qpdf may think it has
-    recovered but may not have actually recovered, so care should be
-    taken when using this option as some data loss is possible.  The
-    <code class="option">--suppress-recovery</code> option will prevent qpdf from
-    attempting recovery.  In this case, it will fail on the first
-    error that it encounters.
-   </p><p>
-    Ordinarily, qpdf reads cross-reference streams when they are
-    present in a PDF file.  If <code class="option">--ignore-xref-streams</code>
-    is specified, qpdf will ignore any cross-reference streams for
-    hybrid PDF files.  The purpose of hybrid files is to make some
-    content available to viewers that are not aware of cross-reference
-    streams.  It is almost never desirable to ignore them.  The only
-    time when you might want to use this feature is if you are testing
-    creation of hybrid PDF files and wish to see how a PDF consumer
-    that doesn't understand object and cross-reference streams would
-    interpret such a file.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.advanced-transformation"></a>3.8. Advanced Transformation Options</h2></div></div></div><p>
-    These transformation options control fine points of how qpdf
-    creates the output file.  Mostly these are of use only to people
-    who are very familiar with the PDF file format or who are PDF
-    developers.  The following options are available:
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--compress-streams=<em class="replaceable"><code>yn</code></em></code></span></dt><dd><p>
-        By default, or with <code class="option">--compress-streams=y</code>,
-        qpdf will compress any stream with no other filters applied to
-        it with the <code class="literal">/FlateDecode</code> filter when it
-        writes it. To suppress this behavior and preserve uncompressed
-        streams as uncompressed, use
-        <code class="option">--compress-streams=n</code>.
-       </p></dd><dt><span class="term"><code class="option">--decode-level=<em class="replaceable"><code>option</code></em></code></span></dt><dd><p>
-        Controls which streams qpdf tries to decode. The default is
-        <code class="option">generalized</code>. The following options are
-        available:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <code class="option">none</code>: do not attempt to decode any streams
-          </p></li><li class="listitem"><p>
-           <code class="option">generalized</code>: decode streams filtered with
-           supported generalized filters: <code class="option">/LZWDecode</code>,
-           <code class="option">/FlateDecode</code>,
-           <code class="option">/ASCII85Decode</code>, and
-           <code class="option">/ASCIIHexDecode</code>. We define generalized
-           filters as those to be used for general-purpose compression
-           or encoding, as opposed to filters specifically designed
-           for image data.
-          </p></li><li class="listitem"><p>
-           <code class="option">specialized</code>: in addition to generalized,
-           decode streams with supported non-lossy specialized
-           filters; currently this is just <code class="option">/RunLengthDecode</code>
-          </p></li><li class="listitem"><p>
-           <code class="option">all</code>: in addition to generalized and
-           specialized, decode streams with supported lossy filters;
-           currently this is just <code class="option">/DCTDecode</code> (JPEG)
-          </p></li></ul></div><p>
-       </p></dd><dt><span class="term"><code class="option">--stream-data=<em class="replaceable"><code>option</code></em></code></span></dt><dd><p>
-        Controls transformation of stream data. This option predates
-        the <code class="option">--compress-streams</code> and
-        <code class="option">--decode-level</code> options. Those options can be
-        used to achieve the same affect with more control. The value
-        of <code class="option"><em class="replaceable"><code>option</code></em></code> may be
-        one of the following:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <code class="option">compress</code>: recompress stream data when
-           possible (default); equivalent to
-           <code class="option">--compress-streams=y</code>
-           <code class="option">--decode-level=generalized</code>
-          </p></li><li class="listitem"><p>
-           <code class="option">preserve</code>: leave all stream data as is;
-           equivalent to <code class="option">--compress-streams=n</code>
-           <code class="option">--decode-level=none</code>
-          </p></li><li class="listitem"><p>
-           <code class="option">uncompress</code>: uncompress stream data
-           compressed with generalized filters when possible;
-           equivalent to <code class="option">--compress-streams=n</code>
-           <code class="option">--decode-level=generalized</code>
-          </p></li></ul></div><p>
-       </p></dd><dt><span class="term"><code class="option">--normalize-content=yn</code></span></dt><dd><p>
-        Enables or disables normalization of content streams. Content
-        normalization is enabled by default in QDF mode. Please see
-        <a class="xref" href="#ref.qdf" title="Chapter 4. QDF Mode">Chapter 4, <em>QDF Mode</em></a> for additional discussion of QDF
-        mode.
-       </p></dd><dt><span class="term"><code class="option">--object-streams=<em class="replaceable"><code>mode</code></em></code></span></dt><dd><p>
-        Controls handling of object streams.  The value of
-        <code class="option"><em class="replaceable"><code>mode</code></em></code> may be one of
-        the following:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <code class="option">preserve</code>: preserve original object streams
-           (default)
-          </p></li><li class="listitem"><p>
-           <code class="option">disable</code>: don't write any object streams
-          </p></li><li class="listitem"><p>
-           <code class="option">generate</code>: use object streams wherever
-           possible
-          </p></li></ul></div><p>
-       </p></dd><dt><span class="term"><code class="option">--preserve-unreferenced</code></span></dt><dd><p>
-        Tells qpdf to preserve objects that are not referenced when
-        writing the file. Ordinarily any object that is not referenced
-        in a traversal of the document from the trailer dictionary
-        will be discarded. This may be useful in working with some
-        damaged files or inspecting files with known unreferenced
-        objects.
-       </p><p>
-        This flag is ignored for linearized files and has the effect
-        of causing objects in the new file to be written in order by
-        object ID from the original file. This does not mean that
-        object numbers will be the same since qpdf may create stream
-        lengths as direct or indirect differently from the original
-        file, and the original file may have gaps in its numbering.
-       </p><p>
-        See also <code class="option">--preserve-unreferenced-resources</code>,
-        which does something completely different.
-       </p></dd><dt><span class="term"><code class="option">--preserve-unreferenced-resources</code></span></dt><dd><p>
-        Starting with qpdf 8.1, when splitting pages, qpdf ordinarily
-        attempts to remove images and fonts that are not used by a
-        page even if they are referenced in the page's resources
-        dictionary. This option suppresses that behavior. The only
-        reason to use this is if you suspect that qpdf is removing
-        resources it shouldn't be removing. If you encounter that
-        case, please report it as a bug.
-       </p><p>
-        See also <code class="option">--preserve-unreferenced</code>, which does
-        something completely different.
-       </p></dd><dt><span class="term"><code class="option">--newline-before-endstream</code></span></dt><dd><p>
-        Tells qpdf to insert a newline before the
-        <code class="literal">endstream</code> keyword, not counted in the
-        length, after any stream content even if the last character of
-        the stream was a newline. This may result in two newlines in
-        some cases. This is a requirement of PDF/A. While qpdf doesn't
-        specifically know how to generate PDF/A-compliant PDFs, this
-        at least prevents it from removing compliance on already
-        compliant files.
-       </p></dd><dt><span class="term"><code class="option">--linearize-pass1=<em class="replaceable"><code>file</code></em></code></span></dt><dd><p>
-        Write the first pass of linearization to the named file. The
-        resulting file is not a valid PDF file. This option is useful
-        only for debugging <code class="classname">QPDFWriter</code>'s
-        linearization code. When qpdf linearizes files, it writes the
-        file in two passes, using the first pass to calculate sizes
-        and offsets that are required for hint tables and the
-        linearization dictionary. Ordinarily, the first pass is
-        discarded. This option enables it to be captured.
-       </p></dd><dt><span class="term"><code class="option">--coalesce-contents</code></span></dt><dd><p>
-        When a page's contents are split across multiple streams, this
-        option causes qpdf to combine them into a single stream. Use
-        of this option is never necessary for ordinary usage, but it
-        can help when working with some files in some cases. For
-        example, some PDF writers split page contents into small
-        streams at arbitrary points that may fall in the middle of
-        lexical tokens within the content, and some PDF readers may
-        get confused on such files. If you use qpdf to coalesce the
-        content streams, such readers may be able to work with the
-        file more easily. This can also be combined with QDF mode or
-        content normalization to make it easier to look at all of a
-        page's contents at once.
-       </p></dd><dt><span class="term"><code class="option">--flatten-annotations=<em class="replaceable"><code>option</code></em></code></span></dt><dd><p>
-        This option collapses annotations into the pages' contents
-        with special handling for form fields. Ordinarily, an
-        annotation is rendered separately and on top of the page.
-        Combining annotations into the page's contents effectively
-        freezes the placement of the annotations, making them look
-        right after various page transformations. The library
-        functionality backing this option was added for the benefit of
-        programs that want to create <span class="emphasis"><em>n-up</em></span> page
-        layouts and other similar things that don't work well with
-        annotations. The <em class="replaceable"><code>option</code></em> parameter
-        may be any of the following:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           <code class="option">all</code>: include all annotations that are not
-           marked invisible or hidden
-          </p></li><li class="listitem"><p>
-           <code class="option">print</code>: only include annotations that
-           indicate that they should appear when the page is printed
-          </p></li><li class="listitem"><p>
-           <code class="option">screen</code>: omit annotations that indicate
-           they should not appear on the screen
-          </p></li></ul></div><p>
-       </p><p>
-        Note that form fields are special because the annotations that
-        are used to render filled-in form fields may become out of
-        date from the fields' values if the form is filled in by a
-        program that doesn't know how to update the appearances. If
-        qpdf detects this case, its default behavior is not to flatten
-        those annotations because doing so would cause the value of
-        the form field to be lost. This gives you a chance to go back
-        and resave the form with a program that knows how to generate
-        appearances. QPDF itself can generate appearances with some
-        limitations. See the <code class="option">--generate-appearances</code>
-        option below.
-       </p></dd><dt><span class="term"><code class="option">--generate-appearances</code></span></dt><dd><p>
-        If a file contains interactive form fields and indicates that
-        the appearances are out of date with the values of the form,
-        this flag will regenerate appearances, subject to a few
-        limitations. Note that there is not usually a reason to do
-        this, but it can be necessary before using the
-        <code class="option">--flatten-annotations</code> option. Most of these
-        are not a problem with well-behaved PDF files. The limitations
-        are as follows:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           Radio button and checkbox appearances use the pre-set
-           values in the PDF file. QPDF just makes sure that the
-           correct appearance is displayed based on the value of the
-           field. This is fine for PDF files that create their forms
-           properly. Some PDF writers save appearances for fields when
-           they change, which could cause some controls to have
-           inconsistent appearances.
-          </p></li></ul></div><p>
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           For text fields and list boxes, any characters that fall
-           outside of US-ASCII or, if detected, “Windows
-           ANSI” or “Mac Roman” encoding, will be
-           replaced by the <code class="literal">?</code> character.
-          </p></li></ul></div><p>
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           Quadding is ignored. Quadding is used to specify whether
-           the contents of a field should be left, center, or right
-           aligned with the field.
-          </p></li></ul></div><p>
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           Rich text, multi-line, and other more elaborate formatting
-           directives are ignored.
-          </p></li></ul></div><p>
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           There is no support for multi-select fields or signature
-           fields.
-          </p></li></ul></div><p>
-        If qpdf doesn't do a good enough job with your form, use an
-        external application to save your filled-in form before
-        processing it with qpdf.
-       </p></dd><dt><span class="term"><code class="option">--optimize-images</code></span></dt><dd><p>
-        This flag causes qpdf to recompress all images that are not
-        compressed with DCT (JPEG) using DCT compression as long as
-        doing so decreases the size in bytes of the image data and the
-        image does not fall below minimum specified dimensions. Useful
-        information is provided when used in combination with
-        <code class="option">--verbose</code>. See also the
-        <code class="option">--oi-min-width</code>,
-        <code class="option">--oi-min-height</code>, and
-        <code class="option">--oi-min-area</code> options. By default, starting
-        in qpdf 8.4, inline images are converted to regular images
-        and optimized as well. Use
-        <code class="option">--keep-inline-images</code> to prevent inline images
-        from being included.
-       </p></dd><dt><span class="term"><code class="option">--oi-min-width=<em class="replaceable"><code>width</code></em></code></span></dt><dd><p>
-        Avoid optimizing images whose width is below the specified
-        amount. If omitted, the default is 128 pixels. Use 0 for no
-        minimum.
-       </p></dd><dt><span class="term"><code class="option">--oi-min-height=<em class="replaceable"><code>height</code></em></code></span></dt><dd><p>
-        Avoid optimizing images whose height is below the specified
-        amount. If omitted, the default is 128 pixels. Use 0 for no
-        minimum.
-       </p></dd><dt><span class="term"><code class="option">--oi-min-area=<em class="replaceable"><code>area-in-pixels</code></em></code></span></dt><dd><p>
-        Avoid optimizing images whose pixel count
-        (width × height) is below the specified amount. If
-        omitted, the default is 16,384 pixels. Use 0 for no minimum.
-       </p></dd><dt><span class="term"><code class="option">--externalize-inline-images</code></span></dt><dd><p>
-        Convert inline images to regular images. By default, images
-        whose data is at least 1,024 bytes are converted when this
-        option is selected. Use <code class="option">--ii-min-bytes</code> to
-        change the size threshold. This option is implicitly selected
-        when <code class="option">--optimize-images</code> is selected. Use
-        <code class="option">--keep-inline-images</code> to exclude inline images
-        from image optimization.
-       </p></dd><dt><span class="term"><code class="option">--ii-min-bytes=<em class="replaceable"><code>bytes</code></em></code></span></dt><dd><p>
-        Avoid converting inline images whose size is below the
-        specified minimum size to regular images. If omitted, the
-        default is 1,024 bytes. Use 0 for no minimum.
-       </p></dd><dt><span class="term"><code class="option">--keep-inline-images</code></span></dt><dd><p>
-        Prevent inline images from being included in image
-        optimization. This option has no affect when
-        <code class="option">--optimize-images</code> is not specified.
-       </p></dd><dt><span class="term"><code class="option">--remove-page-labels</code></span></dt><dd><p>
-        Remove page labels from the output file.
-       </p></dd><dt><span class="term"><code class="option">--qdf</code></span></dt><dd><p>
-        Turns on QDF mode.  For additional information on QDF, please
-        see <a class="xref" href="#ref.qdf" title="Chapter 4. QDF Mode">Chapter 4, <em>QDF Mode</em></a>. Note that
-        <code class="option">--linearize</code> disables QDF mode.
-       </p></dd><dt><span class="term"><code class="option">--min-version=<em class="replaceable"><code>version</code></em></code></span></dt><dd><p>
-        Forces the PDF version of the output file to be at least
-        <em class="replaceable"><code>version</code></em>.  In other words, if the
-        input file has a lower version than the specified version, the
-        specified version will be used.  If the input file has a
-        higher version, the input file's original version will be
-        used.  It is seldom necessary to use this option since qpdf
-        will automatically increase the version as needed when adding
-        features that require newer PDF readers.
-       </p><p>
-        The version number may be expressed in the form
-        <em class="replaceable"><code>major.minor.extension-level</code></em>, in
-        which case the version is interpreted as
-        <em class="replaceable"><code>major.minor</code></em> at extension level
-        <em class="replaceable"><code>extension-level</code></em>.  For example,
-        version <code class="literal">1.7.8</code> represents version 1.7 at
-        extension level 8.  Note that minimal syntax checking is done
-        on the command line.
-       </p></dd><dt><span class="term"><code class="option">--force-version=<em class="replaceable"><code>version</code></em></code></span></dt><dd><p>
-        This option forces the PDF version to be the exact version
-        specified <span class="emphasis"><em>even when the file may have content that
-        is not supported in that version</em></span>.  The version
-        number is interpreted in the same way as with
-        <code class="option">--min-version</code> so that extension levels can be
-        set.  In some cases, forcing the output file's PDF version to
-        be lower than that of the input file will cause qpdf to
-        disable certain features of the document.  Specifically,
-        256-bit keys are disabled if the version is less than 1.7 with
-        extension level 8 (except R5 is disabled if less than 1.7 with
-        extension level 3), AES encryption is disabled if the version
-        is less than 1.6, cleartext metadata and object streams are
-        disabled if less than 1.5, 128-bit encryption keys are
-        disabled if less than 1.4, and all encryption is disabled if
-        less than 1.3.  Even with these precautions, qpdf won't be
-        able to do things like eliminate use of newer image
-        compression schemes, transparency groups, or other features
-        that may have been added in more recent versions of PDF.
-       </p><p>
-        As a general rule, with the exception of big structural things
-        like the use of object streams or AES encryption, PDF viewers
-        are supposed to ignore features in files that they don't
-        support from newer versions.  This means that forcing the
-        version to a lower version may make it possible to open your
-        PDF file with an older version, though bear in mind that some
-        of the original document's functionality may be lost.
-       </p></dd></dl></div><p>
-   </p><p>
-    By default, when a stream is encoded using non-lossy filters that
-    qpdf understands and is not already compressed using a good
-    compression scheme, qpdf will uncompress and recompress streams.
-    Assuming proper filter implements, this is safe and generally
-    results in smaller files.  This behavior may also be explicitly
-    requested with <code class="option">--stream-data=compress</code>.
-   </p><p>
-    When <code class="option">--normalize-content=y</code> is specified, qpdf
-    will attempt to normalize whitespace and newlines in page content
-    streams.  This is generally safe but could, in some cases, cause
-    damage to the content streams.  This option is intended for people
-    who wish to study PDF content streams or to debug PDF content.
-    You should not use this for “production” PDF files.
-   </p><p>
-    This paragraph discusses edge cases of content normalization that
-    are not of concern to most users and are not relevant when content
-    normalization is not enabled. When normalizing content, if qpdf
-    runs into any lexical errors, it will print a warning indicating
-    that content may be damaged. The only situation in which qpdf is
-    known to cause damage during content normalization is when a
-    page's contents are split across multiple streams and streams are
-    split in the middle of a lexical token such as a string, name, or
-    inline image. There may be some pathological cases in which qpdf
-    could damage content without noticing this, such as if the partial
-    tokens at the end of one stream and the beginning of the next
-    stream are both valid, but usually qpdf will be able to detect
-    this case. For slightly increased safety, you can specify
-    <code class="option">--coalesce-contents</code> in addition to
-    <code class="option">--normalize-content</code> or <code class="option">--qdf</code>.
-    This will cause qpdf to combine all the content streams into one,
-    thus recombining any split tokens. However doing this will prevent
-    you from being able to see the original layout of the content
-    streams. If you must inspect the original content streams in an
-    uncompressed format, you can always run with <code class="option">--qdf
-    --normalize-content=n</code> for a QDF file without content
-    normalization, or alternatively
-    <code class="option">--stream-data=uncompress</code> for a regular non-QDF
-    mode file with uncompressed streams. These will both uncompress
-    all the streams but will not attempt to normalize content. Please
-    note that if you are using content normalization or QDF mode for
-    the purpose of manually inspecting files, you don't have to care
-    about this.
-   </p><p>
-    Object streams, also known as compressed objects, were introduced
-    into the PDF specification at version 1.5, corresponding to
-    Acrobat 6.  Some older PDF viewers may not support files with
-    object streams.  qpdf can be used to transform files with object
-    streams to files without object streams or vice versa.  As
-    mentioned above, there are three object stream modes:
-    <code class="option">preserve</code>, <code class="option">disable</code>, and
-    <code class="option">generate</code>.
-   </p><p>
-    In <code class="option">preserve</code> mode, the relationship to objects and
-    the streams that contain them is preserved from the original file.
-    In <code class="option">disable</code> mode, all objects are written as
-    regular, uncompressed objects.  The resulting file should be
-    readable by older PDF viewers.  (Of course, the content of the
-    files may include features not supported by older viewers, but at
-    least the structure will be supported.)  In
-    <code class="option">generate</code> mode, qpdf will create its own object
-    streams.  This will usually result in more compact PDF files,
-    though they may not be readable by older viewers.  In this mode,
-    qpdf will also make sure the PDF version number in the header is
-    at least 1.5.
-   </p><p>
-    The <code class="option">--qdf</code> flag turns on QDF mode, which changes
-    some of the defaults described above.  Specifically, in QDF mode,
-    by default, stream data is uncompressed, content streams are
-    normalized, and encryption is removed.  These defaults can still
-    be overridden by specifying the appropriate options as described
-    above.  Additionally, in QDF mode, stream lengths are stored as
-    indirect objects, objects are laid out in a less efficient but
-    more readable fashion, and the documents are interspersed with
-    comments that make it easier for the user to find things and also
-    make it possible for <span class="command"><strong>fix-qdf</strong></span> to work properly.
-    QDF mode is intended for people, mostly developers, who wish to
-    inspect or modify PDF files in a text editor.  For details, please
-    see <a class="xref" href="#ref.qdf" title="Chapter 4. QDF Mode">Chapter 4, <em>QDF Mode</em></a>.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.testing-options"></a>3.9. Testing, Inspection, and Debugging Options</h2></div></div></div><p>
-    These options can be useful for digging into PDF files or for use
-    in automated test suites for software that uses the qpdf library.
-    When any of the options in this section are specified, no output
-    file should be given.  The following options are available:
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--deterministic-id</code></span></dt><dd><p>
-        Causes generation of a deterministic value for /ID. This
-        prevents use of timestamp and output file name information in
-        the /ID generation. Instead, at some slight additional runtime
-        cost, the /ID field is generated to include a digest of the
-        significant parts of the content of the output PDF file. This
-        means that a given qpdf operation should generate the same /ID
-        each time it is run, which can be useful when caching results
-        or for generation of some test data. Use of this flag is not
-        compatible with creation of encrypted files.
-       </p></dd><dt><span class="term"><code class="option">--static-id</code></span></dt><dd><p>
-        Causes generation of a fixed value for /ID. This is intended
-        for testing only. Never use it for production files. If you
-        are trying to get the same /ID each time for a given file and
-        you are not generating encrypted files, consider using the
-        <code class="option">--deterministic-id</code> option.
-       </p></dd><dt><span class="term"><code class="option">--static-aes-iv</code></span></dt><dd><p>
-        Causes use of a static initialization vector for AES-CBC.
-        This is intended for testing only so that output files can be
-        reproducible.  Never use it for production files.  This option
-        in particular is not secure since it significantly weakens the
-        encryption.
-       </p></dd><dt><span class="term"><code class="option">--no-original-object-ids</code></span></dt><dd><p>
-        Suppresses inclusion of original object ID comments in QDF
-        files.  This can be useful when generating QDF files for test
-        purposes, particularly when comparing them to determine
-        whether two PDF files have identical content.
-       </p></dd><dt><span class="term"><code class="option">--show-encryption</code></span></dt><dd><p>
-        Shows document encryption parameters.  Also shows the
-        document's user password if the owner password is given.
-       </p></dd><dt><span class="term"><code class="option">--show-encryption-key</code></span></dt><dd><p>
-        When encryption information is being displayed, as when
-        <code class="option">--check</code> or <code class="option">--show-encryption</code>
-        is given, display the computed or retrieved encryption key as
-        a hexadecimal string. This value is not ordinarily useful to
-        users, but it can be used as the argument to
-        <code class="option">--password</code> if the
-        <code class="option">--password-is-hex-key</code> is specified. Note
-        that, when PDF files are encrypted, passwords and other
-        metadata are used only to compute an encryption key, and the
-        encryption key is what is actually used for encryption. This
-        enables retrieval of that key.
-       </p></dd><dt><span class="term"><code class="option">--check-linearization</code></span></dt><dd><p>
-        Checks file integrity and linearization status.
-       </p></dd><dt><span class="term"><code class="option">--show-linearization</code></span></dt><dd><p>
-        Checks and displays all data in the linearization hint tables.
-       </p></dd><dt><span class="term"><code class="option">--show-xref</code></span></dt><dd><p>
-        Shows the contents of the cross-reference table in a
-        human-readable form.  This is especially useful for files with
-        cross-reference streams which are stored in a binary format.
-       </p></dd><dt><span class="term"><code class="option">--show-object=trailer|obj,gen</code></span></dt><dd><p>
-        Show the contents of the given object.  This is especially
-        useful for inspecting objects that are inside of object
-        streams (also known as “compressed objects”).
-       </p></dd><dt><span class="term"><code class="option">--raw-stream-data</code></span></dt><dd><p>
-        When used along with the <code class="option">--show-object</code>
-        option, if the object is a stream, shows the raw stream data
-        instead of object's contents.
-       </p></dd><dt><span class="term"><code class="option">--filtered-stream-data</code></span></dt><dd><p>
-        When used along with the <code class="option">--show-object</code>
-        option, if the object is a stream, shows the filtered stream
-        data instead of object's contents.  If the stream is filtered
-        using filters that qpdf does not support, an error will be
-        issued.
-       </p></dd><dt><span class="term"><code class="option">--show-npages</code></span></dt><dd><p>
-        Prints the number of pages in the input file on a line by
-        itself.  Since the number of pages appears by itself on a
-        line, this option can be useful for scripting if you need to
-        know the number of pages in a file.
-       </p></dd><dt><span class="term"><code class="option">--show-pages</code></span></dt><dd><p>
-        Shows the object and generation number for each page
-        dictionary object and for each content stream associated with
-        the page.  Having this information makes it more convenient to
-        inspect objects from a particular page.
-       </p></dd><dt><span class="term"><code class="option">--with-images</code></span></dt><dd><p>
-        When used along with <code class="option">--show-pages</code>, also shows
-        the object and generation numbers for the image objects on
-        each page.  (At present, information about images in shared
-        resource dictionaries are not output by this command.  This is
-        discussed in a comment in the source code.)
-       </p></dd><dt><span class="term"><code class="option">--json</code></span></dt><dd><p>
-        Generate a JSON representation of the file. This is described
-        in depth in <a class="xref" href="#ref.json" title="Chapter 6. QPDF JSON">Chapter 6, <em>QPDF JSON</em></a>
-       </p></dd><dt><span class="term"><code class="option">--json-help</code></span></dt><dd><p>
-        Describe the format of the JSON output.
-       </p></dd><dt><span class="term"><code class="option">--json-key=key</code></span></dt><dd><p>
-        This option is repeatable. If specified, only top-level keys
-        specified will be included in the JSON output. If not
-        specified, all keys will be shown.
-       </p></dd><dt><span class="term"><code class="option">--json-object=trailer|obj,gen</code></span></dt><dd><p>
-        This option is repeatable. If specified, only specified
-        objects will be shown in the
-        “<code class="literal">objects</code>” key of the JSON
-        output. If absent, all objects will be shown.
-       </p></dd><dt><span class="term"><code class="option">--check</code></span></dt><dd><p>
-        Checks file structure and well as encryption, linearization,
-        and encoding of stream data.  A file for which
-        <code class="option">--check</code> reports no errors may still have
-        errors in stream data content but should otherwise be
-        structurally sound.  If <code class="option">--check</code> any errors,
-        qpdf will exit with a status of 2.  There are some recoverable
-        conditions that <code class="option">--check</code> detects.  These are
-        issued as warnings instead of errors.  If qpdf finds no errors
-        but finds warnings, it will exit with a status of 3 (as of
-        version 2.0.4). When <code class="option">--check</code> is combined
-        with other options, checks are always performed before any
-        other options are processed. For erroneous files,
-        <code class="option">--check</code> will cause qpdf to attempt to
-        recover, after which other options are effectively operating
-        on the recovered file. Combining <code class="option">--check</code> with
-        other options in this way can be useful for manually
-        recovering severely damaged files.
-       </p></dd></dl></div><p>
-   </p><p>
-    The <code class="option">--raw-stream-data</code> and
-    <code class="option">--filtered-stream-data</code> options are ignored unless
-    <code class="option">--show-object</code> is given.  Either of these options
-    will cause the stream data to be written to standard output.  In
-    order to avoid commingling of stream data with other output, it is
-    recommend that these objects not be combined with other
-    test/inspection options.
-   </p><p>
-    If <code class="option">--filtered-stream-data</code> is given and
-    <code class="option">--normalize-content=y</code> is also given, qpdf will
-    attempt to normalize the stream data as if it is a page content
-    stream.  This attempt will be made even if it is not a page
-    content stream, in which case it will produce unusable results.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.unicode-passwords"></a>3.10. Unicode Passwords</h2></div></div></div><p>
-    At the library API level, all methods that perform encryption and
-    decryption interpret passwords as strings of bytes. It is up to
-    the caller to ensure that they are appropriately encoded. Starting
-    with qpdf version 8.4.0, qpdf will attempt to make this easier for
-    you when interact with qpdf via its command line interface. The
-    PDF specification requires passwords used to encrypt files with
-    40-bit or 128-bit encryption to be encoded with PDF Doc encoding.
-    This encoding is a single-byte encoding that supports ISO-Latin-1
-    and a handful of other commonly used characters. It has a large
-    overlap with Windows ANSI but is not exactly the same. There is
-    generally not a way to provide PDF Doc encoded strings on the
-    command line. As such, qpdf versions prior to 8.4.0 would often
-    create PDF files that couldn't be opened with other software when
-    given a password with non-ASCII characters to encrypt a file with
-    40-bit or 128-bit encryption. Starting with qpdf 8.4.0, qpdf
-    recognizes the encoding of the parameter and transcodes it as
-    needed. The rest of this section provides the details about
-    exactly how qpdf behaves. Most users will not need to know this
-    information, but it might be useful if you have been working
-    around qpdf's old behavior or if you are using qpdf to generate
-    encrypted files for testing other PDF software.
-   </p><p>
-    A note about Windows: when qpdf builds, it attempts to determine
-    what it has to do to use <code class="function">wmain</code> instead of
-    <code class="function">main</code> on Windows. The
-    <code class="function">wmain</code> function is an alternative entry point
-    that receives all arguments as UTF-16-encoded strings. When qpdf
-    starts up this way, it converts all the strings to UTF-8 encoding
-    and then invokes the regular main. This means that, as far as qpdf
-    is concerned, it receives its command-line arguments with UTF-8
-    encoding, just as it would in any modern Linux or UNIX
-    environment.
-   </p><p>
-    If a file is being encrypted with 40-bit or 128-bit encryption and
-    the supplied password is not a valid UTF-8 string, qpdf will fall
-    back to the behavior of interpreting the password as a string of
-    bytes. If you have old scripts that encrypt files by passing the
-    output of <span class="command"><strong>iconv</strong></span> to qpdf, you no longer need to
-    do that, but if you do, qpdf should still work. The only exception
-    would be for the extremely unlikely case of a password that is
-    encoded with a single-byte encoding but also happens to be valid
-    UTF-8. Such a password would contain strings of even numbers of
-    characters that alternate between accented letters and symbols. In
-    the extremely unlikely event that you are intentionally using such
-    passwords and qpdf is thwarting you by interpreting them as UTF-8,
-    you can use <code class="option">--password-mode=bytes</code> to suppress
-    qpdf's automatic behavior.
-   </p><p>
-    The <code class="option">--password-mode</code> option, as described earlier
-    in this chapter, can be used to change qpdf's interpretation of
-    supplied passwords. There are very few reasons to use this option.
-    One would be the unlikely case described in the previous paragraph
-    in which the supplied password happens to be valid UTF-8 but isn't
-    supposed to be UTF-8. Your best bet would be just to provide the
-    password as a valid UTF-8 string, but you could also use
-    <code class="option">--password-mode=bytes</code>. Another reason to use
-    <code class="option">--password-mode=bytes</code> would be to intentionally
-    generate PDF files encrypted with passwords that are not properly
-    encoded. The qpdf test suite does this to generate invalid files
-    for the purpose of testing its password recovery capability. If
-    you were trying to create intentionally incorrect files for a
-    similar purposes, the <code class="option">bytes</code> password mode can
-    enable you to do this.
-   </p><p>
-    When qpdf attempts to decrypt a file with a password that contains
-    non-ASCII characters, it will generate a list of alternative
-    passwords by attempting to interpret the password as each of a
-    handful of different coding systems and then transcode them to the
-    required format. This helps to compensate for the supplied
-    password being given in the wrong coding system, such as would
-    happen if you used the <span class="command"><strong>iconv</strong></span> workaround that
-    was previously needed. It also generates passwords by doing the
-    reverse operation: translating from correct in incorrect encoding
-    of the password. This would enable qpdf to decrypt files using
-    passwords that were improperly encoded by whatever software
-    encrypted the files, including older versions of qpdf invoked
-    without properly encoded passwords. The combination of these two
-    recovery methods should make qpdf transparently open most
-    encrypted files with the password supplied correctly but in the
-    wrong coding system. There are no real downsides to this behavior,
-    but if you don't want qpdf to do this, you can use the
-    <code class="option">--suppress-password-recovery</code> option. One reason
-    to do that is to ensure that you know the exact password that was
-    used to encrypt the file.
-   </p><p>
-    With these changes, qpdf now generates compliant passwords in most
-    cases. There are still some exceptions. In particular, the PDF
-    specification directs compliant writers to normalize Unicode
-    passwords and to perform certain transformations on passwords with
-    bidirectional text. Implementing this functionality requires using
-    a real Unicode library like ICU. If a client application that uses
-    qpdf wants to do this, the qpdf library will accept the resulting
-    passwords, but qpdf will not perform these transformations itself.
-    It is possible that this will be addressed in a future version of
-    qpdf. The <code class="classname">QPDFWriter</code> methods that enable
-    encryption on the output file accept passwords as strings of
-    bytes.
-   </p><p>
-    Please note that the <code class="option">--password-is-hex-key</code> option
-    is unrelated to all this. This flag bypasses the normal process of
-    going from password to encryption string entirely, allowing the
-    raw encryption key to be specified directly. This is useful for
-    forensic purposes or for brute-force recovery of files with
-    unknown passwords.
-   </p></div></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.qdf"></a>Chapter 4. QDF Mode</h1></div></div></div><p>
-   In QDF mode, qpdf creates PDF files in what we call <em class="firstterm">QDF
-   form</em>.  A PDF file in QDF form, sometimes called a QDF
-   file, is a completely valid PDF file that has
-   <code class="literal">%QDF-1.0</code> as its third line (after the pdf header
-   and binary characters) and has certain other characteristics.  The
-   purpose of QDF form is to make it possible to edit PDF files, with
-   some restrictions, in an ordinary text editor.  This can be very
-   useful for experimenting with different PDF constructs or for
-   making one-off edits to PDF files (though there are other reasons
-   why this may not always work). Note that QDF mode does not support
-   linearized files. If you enable linearization, QDF mode is
-   automatically disabled.
-  </p><p>
-   It is ordinarily very difficult to edit PDF files in a text editor
-   for two reasons: most meaningful data in PDF files is compressed,
-   and PDF files are full of offset and length information that makes
-   it hard to add or remove data.  A QDF file is organized in a manner
-   such that, if edits are kept within certain constraints, the
-   <span class="command"><strong>fix-qdf</strong></span> program, distributed with qpdf, is able
-   to restore edited files to a correct state.  The
-   <span class="command"><strong>fix-qdf</strong></span> program takes no command-line
-   arguments.  It reads a possibly edited QDF file from standard input
-   and writes a repaired file to standard output.
-  </p><p>
-   The following attributes characterize a QDF file:
-   </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-      All objects appear in numerical order in the PDF file, including
-      when objects appear in object streams.
-     </p></li><li class="listitem"><p>
-      Objects are printed in an easy-to-read format, and all line
-      endings are normalized to UNIX line endings.
-     </p></li><li class="listitem"><p>
-      Unless specifically overridden, streams appear uncompressed
-      (when qpdf supports the filters and they are compressed with a
-      non-lossy compression scheme), and most content streams are
-      normalized (line endings are converted to just a UNIX-style
-      linefeeds).
-     </p></li><li class="listitem"><p>
-      All streams lengths are represented as indirect objects, and the
-      stream length object is always the next object after the stream.
-      If the stream data does not end with a newline, an extra newline
-      is inserted, and a special comment appears after the stream
-      indicating that this has been done.
-     </p></li><li class="listitem"><p>
-      If the PDF file contains object streams, if object stream
-      <span class="emphasis"><em>n</em></span> contains <span class="emphasis"><em>k</em></span> objects,
-      those objects are numbered from <span class="emphasis"><em>n+1</em></span> through
-      <span class="emphasis"><em>n+k</em></span>, and the object number/offset pairs
-      appear on a separate line for each object.  Additionally, each
-      object in the object stream is preceded by a comment indicating
-      its object number and index.  This makes it very easy to find
-      objects in object streams.
-     </p></li><li class="listitem"><p>
-      All beginnings of objects, <code class="literal">stream</code> tokens,
-      <code class="literal">endstream</code> tokens, and
-      <code class="literal">endobj</code> tokens appear on lines by themselves.
-      A blank line follows every <code class="literal">endobj</code> token.
-     </p></li><li class="listitem"><p>
-      If there is a cross-reference stream, it is unfiltered.
-     </p></li><li class="listitem"><p>
-      Page dictionaries and page content streams are marked with
-      special comments that make them easy to find.
-     </p></li><li class="listitem"><p>
-      Comments precede each object indicating the object number of the
-      corresponding object in the original file.
-     </p></li></ul></div><p>
-  </p><p>
-   When editing a QDF file, any edits can be made as long as the above
-   constraints are maintained.  This means that you can freely edit a
-   page's content without worrying about messing up the QDF file.  It
-   is also possible to add new objects so long as those objects are
-   added after the last object in the file or subsequent objects are
-   renumbered.  If a QDF file has object streams in it, you can always
-   add the new objects before the xref stream and then change the
-   number of the xref stream, since nothing generally ever references
-   it by number.
-  </p><p>
-   It is not generally practical to remove objects from QDF files
-   without messing up object numbering, but if you remove all
-   references to an object, you can run qpdf on the file (after
-   running <span class="command"><strong>fix-qdf</strong></span>), and qpdf will omit the
-   now-orphaned object.
-  </p><p>
-   When <span class="command"><strong>fix-qdf</strong></span> is run, it goes through the file
-   and recomputes the following parts of the file:
-   </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-      the <code class="literal">/N</code>, <code class="literal">/W</code>, and
-      <code class="literal">/First</code> keys of all object stream dictionaries
-     </p></li><li class="listitem"><p>
-      the pairs of numbers representing object numbers and offsets of
-      objects in object streams
-     </p></li><li class="listitem"><p>
-      all stream lengths
-     </p></li><li class="listitem"><p>
-      the cross-reference table or cross-reference stream
-     </p></li><li class="listitem"><p>
-      the offset to the cross-reference table or cross-reference
-      stream following the <code class="literal">startxref</code> token
-     </p></li></ul></div><p>
-  </p></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.using-library"></a>Chapter 5. Using the QPDF Library</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="#ref.using.from-cxx">5.1. Using QPDF from C++</a></span></dt><dt><span class="sect1"><a href="#ref.using.other-languages">5.2. Using QPDF from other languages</a></span></dt><dt><span class="sect1"><a href="#ref.unicode-files">5.3. A Note About Unicode File Names</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.using.from-cxx"></a>5.1. Using QPDF from C++</h2></div></div></div><p>
-    The source tree for the qpdf package has an
-    <code class="filename">examples</code> directory that contains a few
-    example programs.  The <code class="filename">qpdf/qpdf.cc</code> source
-    file also serves as a useful example since it exercises almost all
-    of the qpdf library's public interface.  The best source of
-    documentation on the library itself is reading comments in
-    <code class="filename">include/qpdf/QPDF.hh</code>,
-    <code class="filename">include/qpdf/QPDFWriter.hh</code>, and
-    <code class="filename">include/qpdf/QPDFObjectHandle.hh</code>.
-   </p><p>
-    All header files are installed in the <code class="filename">include/qpdf</code> directory.  It
-    is recommend that you use <code class="literal">#include
-    &lt;qpdf/QPDF.hh&gt;</code> rather than adding
-    <code class="filename">include/qpdf</code> to your include path.
-   </p><p>
-    When linking against the qpdf static library, you may also need to
-    specify <code class="literal">-lz -ljpeg</code> on your link command. If
-    your system understands how to read libtool
-    <code class="filename">.la</code> files, this may not be necessary.
-   </p><p>
-    The qpdf library is safe to use in a multithreaded program, but no
-    individual <span class="type">QPDF</span> object instance (including
-    <span class="type">QPDF</span>, <span class="type">QPDFObjectHandle</span>, or
-    <span class="type">QPDFWriter</span>) can be used in more than one thread at a
-    time.  Multiple threads may simultaneously work with different
-    instances of these and all other QPDF objects.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.using.other-languages"></a>5.2. Using QPDF from other languages</h2></div></div></div><p>
-    The qpdf library is implemented in C++, which makes it hard to use
-    directly in other languages. There are a few things that can help.
-   </p><div class="variablelist"><dl class="variablelist"><dt><span class="term">“C”</span></dt><dd><p>
-       The qpdf library includes a “C” language interface
-       that provides a subset of the overall capabilities. The header
-       file <code class="filename">qpdf/qpdf-c.h</code> includes information
-       about its use. As long as you use a C++ linker, you can link C
-       programs with qpdf and use the C API. For languages that can
-       directly load methods from a shared library, the C API can also
-       be useful. People have reported success using the C API from
-       other languages on Windows by directly calling functions in the
-       DLL.
-      </p></dd><dt><span class="term">Python</span></dt><dd><p>
-       A Python module called <a class="ulink" href="https://pypi.org/project/pikepdf/" target="_top">pikepdf</a>
-       provides a clean and highly functional set of Python bindings
-       to the qpdf library. Using pikepdf, you can work with PDF files
-       in a natural way and combine qpdf's capabilities with other
-       functionality provided by Python's rich standard library and
-       available modules.
-      </p></dd><dt><span class="term">Other Languages</span></dt><dd><p>
-       Starting with version 8.3.0, the <span class="command"><strong>qpdf</strong></span>
-       command-line tool can produce a JSON representation of the PDF
-       file's non-content data. This can facilitate interacting
-       programmatically with PDF files through qpdf's command line
-       interface. For more information, please see <a class="xref" href="#ref.json" title="Chapter 6. QPDF JSON">Chapter 6, <em>QPDF JSON</em></a>.
-      </p></dd></dl></div></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.unicode-files"></a>5.3. A Note About Unicode File Names</h2></div></div></div><p>
-    When strings are passed to qpdf library routines either as
-    <code class="literal">char*</code> or as <code class="literal">std::string</code>,
-    they are treated as byte arrays except where otherwise noted. When
-    Unicode is desired, qpdf wants UTF-8 unless otherwise noted in
-    comments in header files. In modern UNIX/Linux environments, this
-    generally does the right thing. In Windows, it's a bit more
-    complicated. Starting in qpdf 8.4.0, passwords that contain
-    Unicode characters are handled much better, and starting in qpdf
-    8.4.1, the library attempts to properly handle Unicode characters
-    in filenames. In particular, in Windows, if a UTF-8 encoded string
-    is used as a filename in either <code class="classname">QPDF</code> or
-    <code class="classname">QPDFWriter</code>, it is internally converted to
-    <code class="literal">wchar_t*</code>, and Unicode-aware Windows APIs are
-    used. As such, qpdf will generally operate properly on files with
-    non-ASCII characters in their names as long as the filenames are
-    UTF-8 encoded for passing into the qpdf library API, but there are
-    still some rough edges, such as the encoding of the filenames in
-    error messages our CLI output messages. Patches or bug reports are
-    welcome for any continuing issues with Unicode file names in
-    Windows.
-   </p></div></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.json"></a>Chapter 6. QPDF JSON</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="#ref.json-overview">6.1. Overview</a></span></dt><dt><span class="sect1"><a href="#ref.json-guarantees">6.2. JSON Guarantees</a></span></dt><dt><span class="sect1"><a href="#json.limitations">6.3. Limitations of JSON Representation</a></span></dt><dt><span class="sect1"><a href="#json.considerations">6.4. JSON: Special Considerations</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.json-overview"></a>6.1. Overview</h2></div></div></div><p>
-    Beginning with qpdf version 8.3.0, the <span class="command"><strong>qpdf</strong></span>
-    command-line program can produce a JSON representation of the
-    non-content data in a PDF file. It includes a dump in JSON format
-    of all objects in the PDF file excluding the content of streams.
-    This JSON representation makes it very easy to look in detail at
-    the structure of a given PDF file, and it also provides a great way
-    to work with PDF files programmatically from the command-line in
-    languages that can't call or link with the qpdf library directly.
-    Note that stream data can be extracted from PDF files using other
-    qpdf command-line options.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.json-guarantees"></a>6.2. JSON Guarantees</h2></div></div></div><p>
-    The qpdf JSON representation includes a JSON serialization of the
-    raw objects in the PDF file as well as some computed information in
-    a more easily extracted format. QPDF provides some guarantees about
-    its JSON format. These guarantees are designed to simplify the
-    experience of a developer working with the JSON format.
-    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term">Compatibility</span></dt><dd><p>
-        The top-level JSON object output is a dictionary. The JSON
-        output contains various nested dictionaries and arrays. With
-        the exception of dictionaries that are populated by the fields
-        of objects from the file, all instances of a dictionary are
-        guaranteed to have exactly the same keys. Future versions of
-        qpdf are free to add additional keys but not to remove keys or
-        change the type of object that a key points to. The qpdf
-        program validates this guarantee, and in the unlikely event
-        that a bug in qpdf should cause it to generate data that
-        doesn't conform to this rule, it will ask you to file a bug
-        report.
-       </p><p>
-        The top-level JSON structure contains a
-        “<code class="literal">version</code>” key whose value is
-        simple integer. The value of the <code class="literal">version</code> key
-        will be incremented if a non-compatible change is made. A
-        non-compatible change would be any change that involves removal
-        of a key, a change to the format of data pointed to by a key,
-        or a semantic change that requires a different interpretation
-        of a previously existing key. A strong effort will be made to
-        avoid breaking compatibility.
-       </p></dd><dt><span class="term">Documentation</span></dt><dd><p>
-        The <span class="command"><strong>qpdf</strong></span> command can be invoked with the
-        <code class="option">--json-help</code> option. This will output a JSON
-        structure that has the same structure as the JSON output that
-        qpdf generates, except that each field in the help output is a
-        description of the corresponding field in the JSON output. The
-        specific guarantees are as follows:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-           A dictionary in the help output means that the corresponding
-           location in the actual JSON output is also a dictionary with
-           exactly the same keys; that is, no keys present in help are
-           absent in the real output, and no keys will be present in
-           the real output that are not in help.
-          </p></li><li class="listitem"><p>
-           A string in the help output is a description of the item
-           that appears in the corresponding location of the actual
-           output. The corresponding output can have any format.
-          </p></li><li class="listitem"><p>
-           An array in the help output always contains a single
-           element. It indicates that the corresponding location in the
-           actual output is also an array, and that each element of the
-           array has whatever format is implied by the single element
-           of the help output's array.
-          </p></li></ul></div><p>
-        For example, the help output indicates includes a
-        “<code class="literal">pagelabels</code>” key whose value is
-        an array of one element. That element is a dictionary with keys
-        “<code class="literal">index</code>” and
-        “<code class="literal">label</code>”. In addition to
-        describing the meaning of those keys, this tells you that the
-        actual JSON output will contain a <code class="literal">pagelabels</code>
-        array, each of whose elements is a dictionary that contains an
-        <code class="literal">index</code> key, a <code class="literal">label</code> key,
-        and no other keys.
-       </p></dd><dt><span class="term">Directness and Simplicity</span></dt><dd><p>
-        The JSON output contains the value of every object in the file,
-        but it also contains some processed data. This is analogous to
-        how qpdf's library interface works. The processed data is
-        similar to the helper functions in that it allows you to look
-        at certain aspects of the PDF file without having to understand
-        all the nuances of the PDF specification, while the raw objects
-        allow you to mine the PDF for anything that the higher-level
-        interfaces are lacking.
-       </p></dd></dl></div><p>
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="json.limitations"></a>6.3. Limitations of JSON Representation</h2></div></div></div><p>
-    There are a few limitations to be aware of with the JSON structure:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       Strings, names, and indirect object references in the original
-       PDF file are all converted to strings in the JSON
-       representation. In the case of a “normal” PDF file,
-       you can tell the difference because a name starts with a slash
-       (<code class="literal">/</code>), and an indirect object reference looks
-       like <code class="literal">n n R</code>, but if there were to be a string
-       that looked like a name or indirect object reference, there
-       would be no way to tell this from the JSON output. Note that
-       there are certain cases where you know for sure what something
-       is, such as knowing that dictionary keys in objects are always
-       names and that certain things in the higher-level computed data
-       are known to contain indirect object references.
-      </p></li><li class="listitem"><p>
-       The JSON format doesn't support binary data very well. Mostly
-       the details are not important, but they are presented here for
-       information. When qpdf outputs a string in the JSON
-       representation, it converts the string to UTF-8, assuming usual
-       PDF string semantics. Specifically, if the original string is
-       UTF-16, it is converted to UTF-8. Otherwise, it is assumed to
-       have PDF doc encoding, and is converted to UTF-8 with that
-       assumption. This causes strange things to happen to binary
-       strings. For example, if you had the binary string
-       <code class="literal">&lt;038051&gt;</code>, this would be output to the
-       JSON as <code class="literal">\u0003•Q</code> because
-       <code class="literal">03</code> is not a printable character and
-       <code class="literal">80</code> is the bullet character in PDF doc
-       encoding and is mapped to the Unicode value
-       <code class="literal">2022</code>. Since <code class="literal">51</code> is
-       <code class="literal">Q</code>, it is output as is. If you wanted to
-       convert back from here to a binary string, would have to
-       recognize Unicode values whose code points are higher than
-       <code class="literal">0xFF</code> and map those back to their
-       corresponding PDF doc encoding characters. There is no way to
-       tell the difference between a Unicode string that was originally
-       encoded as UTF-16 or one that was converted from PDF doc
-       encoding. In other words, it's best if you don't try to use the
-       JSON format to extract binary strings from the PDF file, but if
-       you really had to, it could be done. Note that qpdf's
-       <code class="option">--show-object</code> option does not have this
-       limitation and will reveal the string as encoded in the original
-       file.
-      </p></li></ul></div><p>
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="json.considerations"></a>6.4. JSON: Special Considerations</h2></div></div></div><p>
-    For the most part, the built-in JSON help tells you everything you
-    need to know about the JSON format, but there are a few
-    non-obvious things to be aware of:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       While qpdf guarantees that keys present in the help will be
-       present in the output, those fields may be null or empty if the
-       information is not known or absent in the file. Also, if you
-       specify <code class="option">--json-keys</code>, the keys that are not
-       listed will be excluded entirely except for those that
-       <code class="option">--json-help</code> says are always present.
-      </p></li><li class="listitem"><p>
-       In a few places, there are keys with names containing
-       <code class="literal">pageposfrom1</code>. The values of these keys are
-       null or an integer. If an integer, they point to a page index
-       within the file numbering from 1. Note that JSON indexes from
-       0, and you would also use 0-based indexing using the API.
-       However, 1-based indexing is easier in this case because the
-       command-line syntax for specifying page ranges is 1-based. If
-       you were going to write a program that looked through the JSON
-       for information about specific pages and then use the
-       command-line to extract those pages, 1-based indexing is
-       easier. Besides, it's more convenient to subtract 1 from a
-       program in a real programming language than it is to add 1 from
-       shell code.
-      </p></li><li class="listitem"><p>
-       The image information included in the <code class="literal">page</code>
-       section of the JSON output includes the key
-       “<code class="literal">filterable</code>”. Note that the
-       value of this field may depend on the
-       <code class="option">--decode-level</code> that you invoke qpdf with. The
-       JSON output includes a top-level key
-       “<code class="literal">parameters</code>” that indicates the
-       decode level used for computing whether a stream was
-       filterable. For example, jpeg images will be shown as not
-       filterable by default, but they will be shown as filterable if
-       you run <span class="command"><strong>qpdf --json --decode-level=all</strong></span>.
-      </p></li></ul></div><p>
-   </p></div></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.design"></a>Chapter 7. Design and Library Notes</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="#ref.design.intro">7.1. Introduction</a></span></dt><dt><span class="sect1"><a href="#ref.design-goals">7.2. Design Goals</a></span></dt><dt><span class="sect1"><a href="#ref.helper-classes">7.3. Helper Classes</a></span></dt><dt><span class="sect1"><a href="#ref.implementation-notes">7.4. Implementation Notes</a></span></dt><dt><span class="sect1"><a href="#ref.casting">7.5. Casting Policy</a></span></dt><dt><span class="sect1"><a href="#ref.encryption">7.6. Encryption</a></span></dt><dt><span class="sect1"><a href="#ref.random-numbers">7.7. Random Number Generation</a></span></dt><dt><span class="sect1"><a href="#ref.adding-and-remove-pages">7.8. Adding and Removing Pages</a></span></dt><dt><span class="sect1"><a href="#ref.reserved-objects">7.9. Reserving Object Numbers</a></span></dt><dt><span class="sect1"><a href="#ref.foreign-objects">7.10. Copying Objects From Other PDF Files</a></span></dt><dt><span class="sect1"><a href="#ref.rewriting">7.11. Writing PDF Files</a></span></dt><dt><span class="sect1"><a href="#ref.filtered-streams">7.12. Filtered Streams</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.design.intro"></a>7.1. Introduction</h2></div></div></div><p>
-    This section was written prior to the implementation of the qpdf
-    package and was subsequently modified to reflect the
-    implementation.  In some cases, for purposes of explanation, it
-    may differ slightly from the actual implementation.  As always,
-    the source code and test suite are authoritative.  Even if there
-    are some errors, this document should serve as a road map to
-    understanding how this code works.
-   </p><p>
-    In general, one should adhere strictly to a specification when
-    writing but be liberal in reading. This way, the product of our
-    software will be accepted by the widest range of other programs,
-    and we will accept the widest range of input files. This library
-    attempts to conform to that philosophy whenever possible but also
-    aims to provide strict checking for people who want to validate
-    PDF files. If you don't want to see warnings and are trying to
-    write something that is tolerant, you can call
-    <code class="literal">setSuppressWarnings(true)</code>. If you want to fail
-    on the first error, you can call
-    <code class="literal">setAttemptRecovery(false)</code>. The default behavior
-    is to generating warnings for recoverable problems. Note that
-    recovery will not always produce the desired results even if it is
-    able to get through the file. Unlike most other PDF files that
-    produce generic warnings such as “This file is
-    damaged,”, qpdf generally issues a detailed error message
-    that would be most useful to a PDF developer. This is by design as
-    there seems to be a shortage of PDF validation tools out there.
-    This was, in fact, one of the major motivations behind the initial
-    creation of qpdf.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.design-goals"></a>7.2. Design Goals</h2></div></div></div><p>
-    The QPDF package includes support for reading and rewriting PDF
-    files. It aims to hide from the user details involving object
-    locations, modified (appended) PDF files, the
-    directness/indirectness of objects, and stream filters including
-    encryption. It does not aim to hide knowledge of the object
-    hierarchy or content stream contents. Put another way, a user of
-    the qpdf library is expected to have knowledge about how PDF files
-    work, but is not expected to have to keep track of bookkeeping
-    details such as file positions.
-   </p><p>
-    A user of the library never has to care whether an object is
-    direct or indirect, though it is possible to determine whether an
-    object is direct or not if this information is needed. All access
-    to objects deals with this transparently. All memory management
-    details are also handled by the library.
-   </p><p>
-    The <code class="classname">PointerHolder</code> object is used internally
-    by the library to deal with memory management. This is basically a
-    smart pointer object very similar in spirit to C++-11's
-    <code class="classname">std::shared_ptr</code> object, but predating it by
-    several years. This library also makes use of a technique for
-    giving fine-grained access to methods in one class to other
-    classes by using public subclasses with friends and only private
-    members that in turn call private methods of the containing class.
-    See <code class="classname">QPDFObjectHandle::Factory</code> as an
-    example.
-   </p><p>
-    The top-level qpdf class is <code class="classname">QPDF</code>.  A
-    <code class="classname">QPDF</code> object represents a PDF file.  The
-    library provides methods for both accessing and mutating PDF
-    files.
-   </p><p>
-    The primary class for interacting with PDF objects is
-    <code class="classname">QPDFObjectHandle</code>. Instances of this class
-    can be passed around by value, copied, stored in containers, etc.
-    with very low overhead. Instances of
-    <code class="classname">QPDFObjectHandle</code> created by reading from a
-    file will always contain a reference back to the
-    <code class="classname">QPDF</code> object from which they were created. A
-    <code class="classname">QPDFObjectHandle</code> may be direct or indirect.
-    If indirect, the <code class="classname">QPDFObject</code> the
-    <code class="classname">PointerHolder</code> initially points to is a null
-    pointer. In this case, the first attempt to access the underlying
-    <code class="classname">QPDFObject</code> will result in the
-    <code class="classname">QPDFObject</code> being resolved via a call to the
-    referenced <code class="classname">QPDF</code> instance. This makes it
-    essentially impossible to make coding errors in which certain
-    things will work for some PDF files and not for others based on
-    which objects are direct and which objects are indirect.
-   </p><p>
-    Instances of <code class="classname">QPDFObjectHandle</code> can be
-    directly created and modified using static factory methods in the
-    <code class="classname">QPDFObjectHandle</code> class. There are factory
-    methods for each type of object as well as a convenience method
-    <code class="function">QPDFObjectHandle::parse</code> that creates an
-    object from a string representation of the object.  Existing
-    instances of <code class="classname">QPDFObjectHandle</code> can also be
-    modified in several ways.  See comments in
-    <code class="filename">QPDFObjectHandle.hh</code> for details.
-   </p><p>
-    An instance of <code class="classname">QPDF</code> is constructed by using
-    the class's default constructor.  If desired, the
-    <code class="classname">QPDF</code> object may be configured with various
-    methods that change its default behavior.  Then the
-    <code class="function">QPDF::processFile()</code> method is passed the name
-    of a PDF file, which permanently associates the file with that
-    QPDF object.  A password may also be given for access to
-    password-protected files.  QPDF does not enforce encryption
-    parameters and will treat user and owner passwords equivalently.
-    Either password may be used to access an encrypted file.
-    <a href="#ftn.idm45124387202432" class="footnote" id="idm45124387202432"><sup class="footnote">1</sup></a>
-    <code class="classname">QPDF</code> will allow recovery of a user password
-    given an owner password.  The input PDF file must be seekable.
-    (Output files written by <code class="classname">QPDFWriter</code> need
-    not be seekable, even when creating linearized files.)  During
-    construction, <code class="classname">QPDF</code> validates the PDF file's
-    header, and then reads the cross reference tables and trailer
-    dictionaries.  The <code class="classname">QPDF</code> class keeps only
-    the first trailer dictionary though it does read all of them so it
-    can check the <code class="literal">/Prev</code> key.
-    <code class="classname">QPDF</code> class users may request the root
-    object and the trailer dictionary specifically.  The cross
-    reference table is kept private.  Objects may then be requested by
-    number of by walking the object tree.
-   </p><p>
-    When a PDF file has a cross-reference stream instead of a
-    cross-reference table and trailer, requesting the document's
-    trailer dictionary returns the stream dictionary from the
-    cross-reference stream instead.
-   </p><p>
-    There are some convenience routines for very common operations
-    such as walking the page tree and returning a vector of all page
-    objects. For full details, please see the header files
-    <code class="filename">QPDF.hh</code> and
-    <code class="filename">QPDFObjectHandle.hh</code>. There are also some
-    additional helper classes that provide higher level API functions
-    for certain document constructions. These are discussed in <a class="xref" href="#ref.helper-classes" title="7.3. Helper Classes">Section 7.3, “Helper Classes”</a>.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.helper-classes"></a>7.3. Helper Classes</h2></div></div></div><p>
-    QPDF version 8.1 introduced the concept of helper classes. Helper
-    classes are intended to contain higher level APIs that allow
-    developers to work with certain document constructs at an
-    abstraction level above that of
-    <code class="classname">QPDFObjectHandle</code> while staying true to
-    qpdf's philosophy of not hiding document structure from the
-    developer. As with qpdf in general, the goal is take away some of
-    the more tedious bookkeeping aspects of working with PDF files,
-    not to remove the need for the developer to understand how the PDF
-    construction in question works. The driving factor behind the
-    creation of helper classes was to allow the evolution of higher
-    level interfaces in qpdf without polluting the interfaces of the
-    main top-level classes <code class="classname">QPDF</code> and
-    <code class="classname">QPDFObjectHandle</code>.
-   </p><p>
-    There are two kinds of helper classes:
-    <span class="emphasis"><em>document</em></span> helpers and
-    <span class="emphasis"><em>object</em></span> helpers. Document helpers are
-    constructed with a reference to a <code class="classname">QPDF</code>
-    object and provide methods for working with structures that are at
-    the document level. Object helpers are constructed with an
-    instance of a <code class="classname">QPDFObjectHandle</code> and provide
-    methods for working with specific types of objects.
-   </p><p>
-    Examples of document helpers include
-    <code class="classname">QPDFPageDocumentHelper</code>, which contains
-    methods for operating on the document's page trees, such as
-    enumerating all pages of a document and adding and removing pages;
-    and <code class="classname">QPDFAcroFormDocumentHelper</code>, which
-    contains document-level methods related to interactive forms, such
-    as enumerating form fields and creating mappings between form
-    fields and annotations.
-   </p><p>
-    Examples of object helpers include
-    <code class="classname">QPDFPageObjectHelper</code> for performing
-    operations on pages such as page rotation and some operations on
-    content streams, <code class="classname">QPDFFormFieldObjectHelper</code>
-    for performing operations related to interactive form fields, and
-    <code class="classname">QPDFAnnotationObjectHelper</code> for working with
-    annotations.
-   </p><p>
-    It is always possible to retrieve the underlying
-    <code class="classname">QPDF</code> reference from a document helper and
-    the underlying <code class="classname">QPDFObjectHandle</code> reference
-    from an object helper. Helpers are designed to be helpers, not
-    wrappers. The intention is that, in general, it is safe to freely
-    intermix operations that use helpers with operations that use the
-    underlying objects. Document and object helpers do not attempt to
-    provide a complete interface for working with the things they are
-    helping with, nor do they attempt to encapsulate underlying
-    structures. They just provide a few methods to help with
-    error-prone, repetitive, or complex tasks. In some cases, a helper
-    object may cache some information that is expensive to gather. In
-    such cases, the helper classes are implemented so that their own
-    methods keep the cache consistent, and the header file will
-    provide a method to invalidate the cache and a description of what
-    kinds of operations would make the cache invalid. If in doubt, you
-    can always discard a helper class and create a new one with the
-    same underlying objects, which will ensure that you have discarded
-    any stale information.
-   </p><p>
-    By Convention, document helpers are called
-    <code class="classname">QPDFSomethingDocumentHelper</code> and are derived
-    from <code class="classname">QPDFDocumentHelper</code>, and object helpers
-    are called <code class="classname">QPDFSomethingObjectHelper</code> and
-    are derived from <code class="classname">QPDFObjectHelper</code>. For
-    details on specific helpers, please see their header files. You
-    can find them by looking at
-    <code class="filename">include/qpdf/QPDF*DocumentHelper.hh</code> and
-    <code class="filename">include/qpdf/QPDF*ObjectHelper.hh</code>.
-   </p><p>
-    In order to avoid creation of circular dependencies, the following
-    general guidelines are followed with helper classes:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       Core class interfaces do not know about helper classes. For
-       example, no methods of <code class="classname">QPDF</code> or
-       <code class="classname">QPDFObjectHandle</code> will include helper
-       classes in their interfaces.
-      </p></li><li class="listitem"><p>
-       Interfaces of object helpers will usually not use document
-       helpers in their interfaces. This is because it is much more
-       useful for document helpers to have methods that return object
-       helpers. Most operations in PDF files start at the document
-       level and go from there to the object level rather than the
-       other way around. It can sometimes be useful to map back from
-       object-level structures to document-level structures. If there
-       is a desire to do this, it will generally be provided by a
-       method in the document helper class.
-      </p></li><li class="listitem"><p>
-       Most of the time, object helpers don't know about other object
-       helpers. However, in some cases, one type of object may be a
-       container for another type of object, in which case it may make
-       sense for the outer object to know about the inner object. For
-       example, there are methods in the
-       <code class="classname">QPDFPageObjectHelper</code> that know
-       <code class="classname">QPDFAnnotationObjectHelper</code> because
-       references to annotations are contained in page dictionaries.
-      </p></li><li class="listitem"><p>
-       Any helper or core library class may use helpers in their
-       implementations.
-      </p></li></ul></div><p>
-   </p><p>
-    Prior to qpdf version 8.1, higher level interfaces were added as
-    “convenience functions” in either
-    <code class="classname">QPDF</code> or
-    <code class="classname">QPDFObjectHandle</code>. For compatibility, older
-    convenience functions for operating with pages will remain in
-    those classes even as alternatives are provided in helper classes.
-    Going forward, new higher level interfaces will be provided using
-    helper classes.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.implementation-notes"></a>7.4. Implementation Notes</h2></div></div></div><p>
-    This section contains a few notes about QPDF's internal
-    implementation, particularly around what it does when it first
-    processes a file. This section is a bit of a simplification of
-    what it actually does, but it could serve as a starting point to
-    someone trying to understand the implementation. There is nothing
-    in this section that you need to know to use the qpdf library.
-   </p><p>
-    <code class="classname">QPDFObject</code> is the basic PDF Object class.
-    It is an abstract base class from which are derived classes for
-    each type of PDF object.  Clients do not interact with Objects
-    directly but instead interact with
-    <code class="classname">QPDFObjectHandle</code>.
-   </p><p>
-    When the <code class="classname">QPDF</code> class creates a new object,
-    it dynamically allocates the appropriate type of
-    <code class="classname">QPDFObject</code> and immediately hands the
-    pointer to an instance of <code class="classname">QPDFObjectHandle</code>.
-    The parser reads a token from the current file position. If the
-    token is a not either a dictionary or array opener, an object is
-    immediately constructed from the single token and the parser
-    returns. Otherwise, the parser iterates in a special mode in which
-    it accumulates objects until it finds a balancing closer. During
-    this process, the “<code class="literal">R</code>” keyword is
-    recognized and an indirect <code class="classname">QPDFObjectHandle</code>
-    may be constructed.
-   </p><p>
-    The <code class="function">QPDF::resolve()</code> method, which is used to
-    resolve an indirect object, may be invoked from the
-    <code class="classname">QPDFObjectHandle</code> class.  It first checks a
-    cache to see whether this object has already been read.  If not,
-    it reads the object from the PDF file and caches it.  It the
-    returns the resulting <code class="classname">QPDFObjectHandle</code>.
-    The calling object handle then replaces its
-    <code class="classname">PointerHolder&lt;QDFObject&gt;</code> with the one
-    from the newly returned <code class="classname">QPDFObjectHandle</code>.
-    In this way, only a single copy of any direct object need exist
-    and clients can access objects transparently without knowing
-    caring whether they are direct or indirect objects.  Additionally,
-    no object is ever read from the file more than once.  That means
-    that only the portions of the PDF file that are actually needed
-    are ever read from the input file, thus allowing the qpdf package
-    to take advantage of this important design goal of PDF files.
-   </p><p>
-    If the requested object is inside of an object stream, the object
-    stream itself is first read into memory.  Then the tokenizer reads
-    objects from the memory stream based on the offset information
-    stored in the stream.  Those individual objects are cached, after
-    which the temporary buffer holding the object stream contents are
-    discarded.  In this way, the first time an object in an object
-    stream is requested, all objects in the stream are cached.
-   </p><p>
-    The following example should clarify how
-    <code class="classname">QPDF</code> processes a simple file.
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       Client constructs <code class="classname">QPDF</code>
-       <code class="varname">pdf</code> and calls
-       <code class="function">pdf.processFile("a.pdf");</code>.
-      </p></li><li class="listitem"><p>
-       The <code class="classname">QPDF</code> class checks the beginning of
-       <code class="filename">a.pdf</code> for a PDF header. It then reads the
-       cross reference table mentioned at the end of the file,
-       ensuring that it is looking before the last
-       <code class="literal">%%EOF</code>. After getting to
-       <code class="literal">trailer</code> keyword, it invokes the parser.
-      </p></li><li class="listitem"><p>
-       The parser sees “<code class="literal">&lt;&lt;</code>”, so
-       it calls itself recursively in dictionary creation mode.
-      </p></li><li class="listitem"><p>
-       In dictionary creation mode, the parser keeps accumulating
-       objects until it encounters
-       “<code class="literal">&gt;&gt;</code>”.  Each object that is
-       read is pushed onto a stack.  If
-       “<code class="literal">R</code>” is read, the last two
-       objects on the stack are inspected.  If they are integers, they
-       are popped off the stack and their values are used to construct
-       an indirect object handle which is then pushed onto the stack.
-       When “<code class="literal">&gt;&gt;</code>” is finally read,
-       the stack is converted into a
-       <code class="classname">QPDF_Dictionary</code> which is placed in a
-       <code class="classname">QPDFObjectHandle</code> and returned.
-      </p></li><li class="listitem"><p>
-       The resulting dictionary is saved as the trailer dictionary.
-      </p></li><li class="listitem"><p>
-       The <code class="literal">/Prev</code> key is searched.  If present,
-       <code class="classname">QPDF</code> seeks to that point and repeats
-       except that the new trailer dictionary is not saved.  If
-       <code class="literal">/Prev</code> is not present, the initial parsing
-       process is complete.
-      </p><p>
-       If there is an encryption dictionary, the document's encryption
-       parameters are initialized.
-      </p></li><li class="listitem"><p>
-       The client requests root object.  The
-       <code class="classname">QPDF</code> class gets the value of root key
-       from trailer dictionary and returns it.  It is an unresolved
-       indirect <code class="classname">QPDFObjectHandle</code>.
-      </p></li><li class="listitem"><p>
-       The client requests the <code class="literal">/Pages</code> key from root
-       <code class="classname">QPDFObjectHandle</code>.  The
-       <code class="classname">QPDFObjectHandle</code> notices that it is
-       indirect so it asks <code class="classname">QPDF</code> to resolve it.
-       <code class="classname">QPDF</code> looks in the object cache for an
-       object with the root dictionary's object ID and generation
-       number.  Upon not seeing it, it checks the cross reference
-       table, gets the offset, and reads the object present at that
-       offset.  It stores the result in the object cache and returns
-       the cached result.  The calling
-       <code class="classname">QPDFObjectHandle</code> replaces its object
-       pointer with the one from the resolved
-       <code class="classname">QPDFObjectHandle</code>, verifies that it a
-       valid dictionary object, and returns the (unresolved indirect)
-       <code class="classname">QPDFObject</code> handle to the top of the
-       Pages hierarchy.
-      </p><p>
-       As the client continues to request objects, the same process is
-       followed for each new requested object.
-      </p></li></ul></div><p>
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.casting"></a>7.5. Casting Policy</h2></div></div></div><p>
-    This section describes the casting policy followed by qpdf's
-    implementation.  This is no concern to qpdf's end users and
-    largely of no concern to people writing code that uses qpdf, but
-    it could be of interest to people who are porting qpdf to a new
-    platform or who are making modifications to the code.
-   </p><p>
-    The C++ code in qpdf is free of old-style casts except where
-    unavoidable (e.g. where the old-style cast is in a macro provided
-    by a third-party header file).  When there is a need for a cast,
-    it is handled, in order of preference, by rewriting the code to
-    avoid the need for a cast, calling
-    <code class="function">const_cast</code>, calling
-    <code class="function">static_cast</code>, calling
-    <code class="function">reinterpret_cast</code>, or calling some combination
-    of the above.  As a last resort, a compiler-specific
-    <code class="literal">#pragma</code> may be used to suppress a warning that
-    we don't want to fix.  Examples may include suppressing warnings
-    about the use of old-style casts in code that is shared between C
-    and C++ code.
-   </p><p>
-    The casting policy explicitly prohibits casting between integer
-    sizes for no purpose other than to quiet a compiler warning when
-    there is no reasonable chance of a problem resulting.  The reason
-    for this exclusion is that the practice of adding these additional
-    casts precludes future use of additional compiler warnings as a
-    tool for making future improvements to this aspect of the code,
-    and it also damages the readability of the code.
-   </p><p>
-    There are a few significant areas where casting is common in the
-    qpdf sources or where casting would be required to quiet higher
-    levels of compiler warnings but is omitted at present:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       <span class="type">char</span> vs. <span class="type">unsigned char</span>.  For
-       historical reasons, there are a lot of places in qpdf's
-       internals that deal with <span class="type">unsigned char</span>, which
-       means that a lot of casting is required to interoperate with
-       standard library calls and <span class="type">std::string</span>.  In
-       retrospect, qpdf should have probably used regular (signed)
-       <span class="type">char</span> and <span class="type">char*</span> everywhere and just
-       cast to <span class="type">unsigned char</span> when needed, but it's too
-       late to make that change now.  There are
-       <code class="function">reinterpret_cast</code> calls to go between
-       <span class="type">char*</span> and <span class="type">unsigned char*</span>, and there
-       are <code class="function">static_cast</code> calls to go between
-       <span class="type">char</span> and <span class="type">unsigned char</span>.  These should
-       always be safe.
-      </p></li><li class="listitem"><p>
-       Non-const <span class="type">unsigned char*</span> used in the
-       <span class="type">Pipeline</span> interface.  The pipeline interface has a
-       <code class="function">write</code> call that uses <span class="type">unsigned
-       char*</span> without a <span class="type">const</span> qualifier.  The main
-       reason for this is to support pipelines that make calls to
-       third-party libraries, such as zlib, that don't include
-       <span class="type">const</span> in their interfaces.  Unfortunately, there
-       are many places in the code where it is desirable to have
-       <span class="type">const char*</span> with pipelines.  None of the pipeline
-       implementations in qpdf currently modify the data passed to
-       write, and doing so would be counter to the intent of
-       <span class="type">Pipeline</span>, but there is nothing in the code to
-       prevent this from being done.  There are places in the code
-       where <code class="function">const_cast</code> is used to remove the
-       const-ness of pointers going into <span class="type">Pipeline</span>s.  This
-       could theoretically be unsafe, but there is adequate testing to
-       assert that it is safe and will remain safe in qpdf's code.
-      </p></li><li class="listitem"><p>
-       <span class="type">size_t</span> vs. <span class="type">qpdf_offset_t</span>.  This is
-       pretty much unavoidable since sizes are unsigned types and
-       offsets are signed types.  Whenever it is necessary to seek by
-       an amount given by a <span class="type">size_t</span>, it becomes necessary
-       to mix and match between <span class="type">size_t</span> and
-       <span class="type">qpdf_offset_t</span>.  Additionally, qpdf sometimes
-       treats memory buffers like files (as with
-       <span class="type">BufferInputSource</span>, and those seek interfaces have
-       to be consistent with file-based input sources.  Neither gcc
-       nor MSVC give warnings for this case by default, but both have
-       warning flags that can enable this.  (MSVC:
-       <code class="option">/W14267</code> or <code class="option">/W3</code>, which also
-       enables some additional warnings that we ignore; gcc:
-       <code class="option">-Wconversion -Wsign-conversion</code>).  This could
-       matter for files whose sizes are larger than
-       2<sup>63</sup> bytes, but it is reasonable to
-       expect that a world where such files are common would also have
-       larger <span class="type">size_t</span> and <span class="type">qpdf_offset_t</span> types
-       in it.  On most 64-bit systems at the time of this writing (the
-       release of version 4.1.0 of qpdf), both <span class="type">size_t</span> and
-       <span class="type">qpdf_offset_t</span> are 64-bit integer types, while on
-       many current 32-bit systems, <span class="type">size_t</span> is a 32-bit
-       type while <span class="type">qpdf_offset_t</span> is a 64-bit type.  I am
-       not aware of any cases where 32-bit systems that have
-       <span class="type">size_t</span> smaller than <span class="type">qpdf_offset_t</span>
-       could run into problems.  Although I can't conclusively rule
-       out the possibility of such problems existing, I suspect any
-       cases would be pretty contrived.  In the event that someone
-       should produce a file that qpdf can't handle because of what is
-       suspected to be issues involving the handling of
-       <span class="type">size_t</span> vs. <span class="type">qpdf_offset_t</span> (such files
-       may behave properly on 64-bit systems but not on 32-bit systems
-       because they have very large embedded files or streams, for
-       example), the above mentioned warning flags could be enabled
-       and all those implicit conversions could be carefully
-       scrutinized.  (I have already gone through that exercise once
-       in adding support for files larger than 4 GB in size.)  I
-       continue to be committed to supporting large files on 32-bit
-       systems, but I would not go to any lengths to support corner
-       cases involving large embedded files or large streams that work
-       on 64-bit systems but not on 32-bit systems because of
-       <span class="type">size_t</span> being too small.  It is reasonable to
-       assume that anyone working with such files would be using a
-       64-bit system anyway since many 32-bit applications would have
-       similar difficulties.
-      </p></li><li class="listitem"><p>
-       <span class="type">size_t</span> vs. <span class="type">int</span> or <span class="type">long</span>.
-       There are some cases where <span class="type">size_t</span> and
-       <span class="type">int</span> or <span class="type">long</span> or <span class="type">size_t</span>
-       and <span class="type">unsigned int</span> or <span class="type">unsigned long</span> are
-       used interchangeably.  These cases occur when working with very
-       small amounts of memory, such as with the bit readers (where
-       we're working with just a few bytes at a time), some cases of
-       <code class="function">strlen</code>, and a few other cases.  I have
-       scrutinized all of these cases and determined them to be safe,
-       but there is no mechanism in the code to ensure that new unsafe
-       conversions between <span class="type">int</span> and <span class="type">size_t</span>
-       aren't introduced short of good testing and strong awareness of
-       the issues.  Again, if any such bugs are suspected in the
-       future, enabling the additional warning flags and scrutinizing
-       the warnings would be in order.
-      </p></li></ul></div><p>
-   </p><p>
-    To be clear, I believe qpdf to be well-behaved with respect to
-    sizes and offsets, and qpdf's test suite includes actual
-    generation and full processing of files larger than 4 GB in
-    size.  The issues raised here are largely academic and should not
-    in any way be interpreted to mean that qpdf has practical problems
-    involving sloppiness with integer types.  I also believe that
-    appropriate measures have been taken in the code to avoid problems
-    with signed vs. unsigned integers from resulting in memory
-    overwrites or other issues with potential security implications,
-    though there are never any absolute guarantees.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.encryption"></a>7.6. Encryption</h2></div></div></div><p>
-    Encryption is supported transparently by qpdf.  When opening a PDF
-    file, if an encryption dictionary exists, the
-    <code class="classname">QPDF</code> object processes this dictionary using
-    the password (if any) provided.  The primary decryption key is
-    computed and cached.  No further access is made to the encryption
-    dictionary after that time.  When an object is read from a file,
-    the object ID and generation of the object in which it is
-    contained is always known.  Using this information along with the
-    stored encryption key, all stream and string objects are
-    transparently decrypted.  Raw encrypted objects are never stored
-    in memory.  This way, nothing in the library ever has to know or
-    care whether it is reading an encrypted file.
-   </p><p>
-    An interface is also provided for writing encrypted streams and
-    strings given an encryption key.  This is used by
-    <code class="classname">QPDFWriter</code> when it rewrites encrypted
-    files.
-   </p><p>
-    When copying encrypted files, unless otherwise directed, qpdf will
-    preserve any encryption in force in the original file.  qpdf can
-    do this with either the user or the owner password.  There is no
-    difference in capability based on which password is used.  When 40
-    or 128 bit encryption keys are used, the user password can be
-    recovered with the owner password.  With 256 keys, the user and
-    owner passwords are used independently to encrypt the actual
-    encryption key, so while either can be used, the owner password
-    can no longer be used to recover the user password.
-   </p><p>
-    Starting with version 4.0.0, qpdf can read files that are not
-    encrypted but that contain encrypted attachments, but it cannot
-    write such files.  qpdf also requires the password to be specified
-    in order to open the file, not just to extract attachments, since
-    once the file is open, all decryption is handled transparently.
-    When copying files like this while preserving encryption, qpdf
-    will apply the file's encryption to everything in the file, not
-    just to the attachments.  When decrypting the file, qpdf will
-    decrypt the attachments.  In general, when copying PDF files with
-    multiple encryption formats, qpdf will choose the newest format.
-    The only exception to this is that clear-text metadata will be
-    preserved as clear-text if it is that way in the original file.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.random-numbers"></a>7.7. Random Number Generation</h2></div></div></div><p>
-    QPDF generates random numbers to support generation of encrypted
-    data.  Versions prior to 5.0.1 used <code class="function">random</code> or
-    <code class="function">rand</code> from <code class="filename">stdlib</code> to
-    generate random numbers.  Version 5.0.1, if available, used
-    operating system-provided secure random number generation instead,
-    enabling use of <code class="filename">stdlib</code> random number
-    generation only if enabled by a compile-time option.  Starting in
-    version 5.1.0, use of insecure random numbers was disabled unless
-    enabled at compile time.  Starting in version 5.1.0, it is also
-    possible for you to disable use of OS-provided secure random
-    numbers.  This is especially useful on Windows if you want to
-    avoid a dependency on Microsoft's cryptography API.  In this case,
-    you must provide your own random data provider.  Regardless of how
-    you compile qpdf, starting in version 5.1.0, it is possible for
-    you to provide your own random data provider at runtime.  This
-    would enable you to use some software-based secure pseudorandom
-    number generator and to avoid use of whatever the operating system
-    provides.  For details on how to do this, please refer to the
-    top-level README.md file in the source distribution and to comments
-    in <code class="filename">QUtil.hh</code>.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.adding-and-remove-pages"></a>7.8. Adding and Removing Pages</h2></div></div></div><p>
-    While qpdf's API has supported adding and modifying objects for
-    some time, version 3.0 introduces specific methods for adding and
-    removing pages.  These are largely convenience routines that
-    handle two tricky issues: pushing inheritable resources from the
-    <code class="literal">/Pages</code> tree down to individual pages and
-    manipulation of the <code class="literal">/Pages</code> tree itself.  For
-    details, see <code class="function">addPage</code> and surrounding methods
-    in <code class="filename">QPDF.hh</code>.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.reserved-objects"></a>7.9. Reserving Object Numbers</h2></div></div></div><p>
-    Version 3.0 of qpdf introduced the concept of reserved objects.
-    These are seldom needed for ordinary operations, but there are
-    cases in which you may want to add a series of indirect objects
-    with references to each other to a <code class="classname">QPDF</code>
-    object.  This causes a problem because you can't determine the
-    object ID that a new indirect object will have until you add it to
-    the <code class="classname">QPDF</code> object with
-    <code class="function">QPDF::makeIndirectObject</code>.  The only way to
-    add two mutually referential objects to a
-    <code class="classname">QPDF</code> object prior to version 3.0 would be
-    to add the new objects first and then make them refer to each
-    other after adding them.  Now it is possible to create a
-    <em class="firstterm">reserved object</em> using
-    <code class="function">QPDFObjectHandle::newReserved</code>.  This is an
-    indirect object that stays “unresolved” even if it is
-    queried for its type.  So now, if you want to create a set of
-    mutually referential objects, you can create reservations for each
-    one of them and use those reservations to construct the
-    references.  When finished, you can call
-    <code class="function">QPDF::replaceReserved</code> to replace the reserved
-    objects with the real ones.  This functionality will never be
-    needed by most applications, but it is used internally by QPDF
-    when copying objects from other PDF files, as discussed in <a class="xref" href="#ref.foreign-objects" title="7.10. Copying Objects From Other PDF Files">Section 7.10, “Copying Objects From Other PDF Files”</a>.  For an example of how to use
-    reserved objects, search for <code class="function">newReserved</code> in
-    <code class="filename">test_driver.cc</code> in qpdf's sources.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.foreign-objects"></a>7.10. Copying Objects From Other PDF Files</h2></div></div></div><p>
-    Version 3.0 of qpdf introduced the ability to copy objects into a
-    <code class="classname">QPDF</code> object from a different
-    <code class="classname">QPDF</code> object, which we refer to as
-    <em class="firstterm">foreign objects</em>. This allows arbitrary
-    merging of PDF files. The “from”
-    <code class="classname">QPDF</code> object must remain valid after the
-    copy as discussed in the note below. The <span class="command"><strong>qpdf</strong></span>
-    command-line tool provides limited support for basic page
-    selection, including merging in pages from other files, but the
-    library's API makes it possible to implement arbitrarily complex
-    merging operations. The main method for copying foreign objects is
-    <code class="function">QPDF::copyForeignObject</code>. This takes an
-    indirect object from another <code class="classname">QPDF</code> and
-    copies it recursively into this object while preserving all object
-    structure, including circular references. This means you can add a
-    direct object that you create from scratch to a
-    <code class="classname">QPDF</code> object with
-    <code class="function">QPDF::makeIndirectObject</code>, and you can add an
-    indirect object from another file with
-    <code class="function">QPDF::copyForeignObject</code>. The fact that
-    <code class="function">QPDF::makeIndirectObject</code> does not
-    automatically detect a foreign object and copy it is an explicit
-    design decision. Copying a foreign object seems like a
-    sufficiently significant thing to do that it should be done
-    explicitly.
-   </p><p>
-    The other way to copy foreign objects is by passing a page from
-    one <code class="classname">QPDF</code> to another by calling
-    <code class="function">QPDF::addPage</code>.  In contrast to
-    <code class="function">QPDF::makeIndirectObject</code>, this method
-    automatically distinguishes between indirect objects in the
-    current file, foreign objects, and direct objects.
-   </p><p>
-    Please note: when you copy objects from one
-    <code class="classname">QPDF</code> to another, the source
-    <code class="classname">QPDF</code> object must remain valid until you
-    have finished with the destination object. This is because the
-    original object is still used to retrieve any referenced stream
-    data from the copied object.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.rewriting"></a>7.11. Writing PDF Files</h2></div></div></div><p>
-    The qpdf library supports file writing of
-    <code class="classname">QPDF</code> objects to PDF files through the
-    <code class="classname">QPDFWriter</code> class.  The
-    <code class="classname">QPDFWriter</code> class has two writing modes: one
-    for non-linearized files, and one for linearized files.  See <a class="xref" href="#ref.linearization" title="Chapter 8. Linearization">Chapter 8, <em>Linearization</em></a> for a description of linearization
-    is implemented.  This section describes how we write
-    non-linearized files including the creation of QDF files (see
-    <a class="xref" href="#ref.qdf" title="Chapter 4. QDF Mode">Chapter 4, <em>QDF Mode</em></a>.
-   </p><p>
-    This outline was written prior to implementation and is not
-    exactly accurate, but it provides a correct “notional”
-    idea of how writing works.  Look at the code in
-    <code class="classname">QPDFWriter</code> for exact details.
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       Initialize state:
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          next object number = 1
-         </p></li><li class="listitem"><p>
-          object queue = empty
-         </p></li><li class="listitem"><p>
-          renumber table: old object id/generation to new id/0 = empty
-         </p></li><li class="listitem"><p>
-          xref table: new id -&gt; offset = empty
-         </p></li></ul></div><p>
-      </p></li><li class="listitem"><p>
-       Create a QPDF object from a file.
-      </p></li><li class="listitem"><p>
-       Write header for new PDF file.
-      </p></li><li class="listitem"><p>
-       Request the trailer dictionary.
-      </p></li><li class="listitem"><p>
-       For each value that is an indirect object, grab the next object
-       number (via an operation that returns and increments the
-       number).  Map object to new number in renumber table.  Push
-       object onto queue.
-      </p></li><li class="listitem"><p>
-       While there are more objects on the queue:
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Pop queue.
-         </p></li><li class="listitem"><p>
-          Look up object's new number <span class="emphasis"><em>n</em></span> in the
-          renumbering table.
-         </p></li><li class="listitem"><p>
-          Store current offset into xref table.
-         </p></li><li class="listitem"><p>
-          Write <code class="literal"><em class="replaceable"><code>n</code></em> 0 obj</code>.
-         </p></li><li class="listitem"><p>
-          If object is null, whether direct or indirect, write out
-          null, thus eliminating unresolvable indirect object
-          references.
-         </p></li><li class="listitem"><p>
-          If the object is a stream stream, write stream contents,
-          piped through any filters as required, to a memory buffer.
-          Use this buffer to determine the stream length.
-         </p></li><li class="listitem"><p>
-          If object is not a stream, array, or dictionary, write out
-          its contents.
-         </p></li><li class="listitem"><p>
-          If object is an array or dictionary (including stream),
-          traverse its elements (for array) or values (for
-          dictionaries), handling recursive dictionaries and arrays,
-          looking for indirect objects.  When an indirect object is
-          found, if it is not resolvable, ignore.  (This case is
-          handled when writing it out.)  Otherwise, look it up in the
-          renumbering table.  If not found, grab the next available
-          object number, assign to the referenced object in the
-          renumbering table, and push the referenced object onto the
-          queue.  As a special case, when writing out a stream
-          dictionary, replace length, filters, and decode parameters
-          as required.
-         </p><p>
-          Write out dictionary or array, replacing any unresolvable
-          indirect object references with null (pdf spec says
-          reference to non-existent object is legal and resolves to
-          null) and any resolvable ones with references to the
-          renumbered objects.
-         </p></li><li class="listitem"><p>
-          If the object is a stream, write
-          <code class="literal">stream\n</code>, the stream contents (from the
-          memory buffer), and <code class="literal">\nendstream\n</code>.
-         </p></li><li class="listitem"><p>
-          When done, write <code class="literal">endobj</code>.
-         </p></li></ul></div><p>
-      </p></li></ul></div><p>
-   </p><p>
-    Once we have finished the queue, all referenced objects will have
-    been written out and all deleted objects or unreferenced objects
-    will have been skipped.  The new cross-reference table will
-    contain an offset for every new object number from 1 up to the
-    number of objects written.  This can be used to write out a new
-    xref table.  Finally we can write out the trailer dictionary with
-    appropriately computed /ID (see spec, 8.3, File Identifiers), the
-    cross reference table offset, and <code class="literal">%%EOF</code>.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.filtered-streams"></a>7.12. Filtered Streams</h2></div></div></div><p>
-    Support for streams is implemented through the
-    <code class="classname">Pipeline</code> interface which was designed for
-    this package.
-   </p><p>
-    When reading streams, create a series of
-    <code class="classname">Pipeline</code> objects.  The
-    <code class="classname">Pipeline</code> abstract base requires
-    implementation <code class="function">write()</code> and
-    <code class="function">finish()</code> and provides an implementation of
-    <code class="function">getNext()</code>.  Each pipeline object, upon
-    receiving data, does whatever it is going to do and then writes
-    the data (possibly modified) to its successor.  Alternatively, a
-    pipeline may be an end-of-the-line pipeline that does something
-    like store its output to a file or a memory buffer ignoring a
-    successor.  For additional details, look at
-    <code class="filename">Pipeline.hh</code>.
-   </p><p>
-    <code class="classname">QPDF</code> can read raw or filtered streams.
-    When reading a filtered stream, the <code class="classname">QPDF</code>
-    class creates a <code class="classname">Pipeline</code> object for one of
-    each appropriate filter object and chains them together.  The last
-    filter should write to whatever type of output is required.  The
-    <code class="classname">QPDF</code> class has an interface to write raw or
-    filtered stream contents to a given pipeline.
-   </p></div><div class="footnotes"><br /><hr style="width:100; text-align:left;margin-left: 0" /><div id="ftn.idm45124387202432" class="footnote"><p><a href="#idm45124387202432" class="para"><sup class="para">1 </sup></a>
-      As pointed out earlier, the intention is not for qpdf to be used
-      to bypass security on files. but as any open source PDF consumer
-      may be easily modified to bypass basic PDF document security,
-      and qpdf offers may transformations that can do this as well,
-      there seems to be little point in the added complexity of
-      conditionally enforcing document security.
-     </p></div></div></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.linearization"></a>Chapter 8. Linearization</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="#ref.linearization-strategy">8.1. Basic Strategy for Linearization</a></span></dt><dt><span class="sect1"><a href="#ref.linearized.preparation">8.2. Preparing For Linearization</a></span></dt><dt><span class="sect1"><a href="#ref.optimization">8.3. Optimization</a></span></dt><dt><span class="sect1"><a href="#ref.linearization.writing">8.4. Writing Linearized Files</a></span></dt><dt><span class="sect1"><a href="#ref.linearization-data">8.5. Calculating Linearization Data</a></span></dt><dt><span class="sect1"><a href="#ref.linearization-issues">8.6. Known Issues with Linearization</a></span></dt><dt><span class="sect1"><a href="#ref.linearization-debugging">8.7. Debugging Note</a></span></dt></dl></div><p>
-   This chapter describes how <code class="classname">QPDF</code> and
-   <code class="classname">QPDFWriter</code> implement creation and processing
-   of linearized PDFS.
-  </p><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.linearization-strategy"></a>8.1. Basic Strategy for Linearization</h2></div></div></div><p>
-    To avoid the incestuous problem of having the qpdf library
-    validate its own linearized files, we have a special linearized
-    file checking mode which can be invoked via <span class="command"><strong>qpdf
-    --check-linearization</strong></span> (or <span class="command"><strong>qpdf
-    --check</strong></span>).  This mode reads the linearization parameter
-    dictionary and the hint streams and validates that object
-    ordering, parameters, and hint stream contents are correct.  The
-    validation code was first tested against linearized files created
-    by external tools (Acrobat and pdlin) and then used to validate
-    files created by <code class="classname">QPDFWriter</code> itself.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.linearized.preparation"></a>8.2. Preparing For Linearization</h2></div></div></div><p>
-    Before creating a linearized PDF file from any other PDF file, the
-    PDF file must be altered such that all page attributes are
-    propagated down to the page level (and not inherited from parents
-    in the <code class="literal">/Pages</code> tree).  We also have to know
-    which objects refer to which other objects, being concerned with
-    page boundaries and a few other cases.  We refer to this part of
-    preparing the PDF file as <em class="firstterm">optimization</em>,
-    discussed in <a class="xref" href="#ref.optimization" title="8.3. Optimization">Section 8.3, “Optimization”</a>.  Note the, in
-    this context, the term <em class="firstterm">optimization</em> is a
-    qpdf term, and the term <em class="firstterm">linearization</em> is a
-    term from the PDF specification.  Do not be confused by the fact
-    that many applications refer to linearization as optimization or
-    web optimization.
-   </p><p>
-    When creating linearized PDF files from optimized PDF files, there
-    are really only a few issues that need to be dealt with:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       Creation of hints tables
-      </p></li><li class="listitem"><p>
-       Placing objects in the correct order
-      </p></li><li class="listitem"><p>
-       Filling in offsets and byte sizes
-      </p></li></ul></div><p>
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.optimization"></a>8.3. Optimization</h2></div></div></div><p>
-    In order to perform various operations such as linearization and
-    splitting files into pages, it is necessary to know which objects
-    are referenced by which pages, page thumbnails, and root and
-    trailer dictionary keys.  It is also necessary to ensure that all
-    page-level attributes appear directly at the page level and are
-    not inherited from parents in the pages tree.
-   </p><p>
-    We refer to the process of enforcing these constraints as
-    <em class="firstterm">optimization</em>.  As mentioned above, note
-    that some applications refer to linearization as optimization.
-    Although this optimization was initially motivated by the need to
-    create linearized files, we are using these terms separately.
-   </p><p>
-    PDF file optimization is implemented in the
-    <code class="filename">QPDF_optimization.cc</code> source file.  That file
-    is richly commented and serves as the primary reference for the
-    optimization process.
-   </p><p>
-    After optimization has been completed, the private member
-    variables <code class="varname">obj_user_to_objects</code> and
-    <code class="varname">object_to_obj_users</code> in
-    <code class="classname">QPDF</code> have been populated.  Any object that
-    has more than one value in the
-    <code class="varname">object_to_obj_users</code> table is shared.  Any
-    object that has exactly one value in the
-    <code class="varname">object_to_obj_users</code> table is private.  To find
-    all the private objects in a page or a trailer or root dictionary
-    key, one merely has make this determination for each element in
-    the <code class="varname">obj_user_to_objects</code> table for the given
-    page or key.
-   </p><p>
-    Note that pages and thumbnails have different object user types,
-    so the above test on a page will not include objects referenced by
-    the page's thumbnail dictionary and nothing else.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.linearization.writing"></a>8.4. Writing Linearized Files</h2></div></div></div><p>
-    We will create files with only primary hint streams.  We will
-    never write overflow hint streams.  (As of PDF version 1.4,
-    Acrobat doesn't either, and they are never necessary.)  The hint
-    streams contain offset information to objects that point to where
-    they would be if the hint stream were not present.  This means
-    that we have to calculate all object positions before we can
-    generate and write the hint table.  This means that we have to
-    generate the file in two passes.  To make this reliable,
-    <code class="classname">QPDFWriter</code> in linearization mode invokes
-    exactly the same code twice to write the file to a pipeline.
-   </p><p>
-    In the first pass, the target pipeline is a count pipeline chained
-    to a discard pipeline.  The count pipeline simply passes its data
-    through to the next pipeline in the chain but can return the
-    number of bytes passed through it at any intermediate point.  The
-    discard pipeline is an end of line pipeline that just throws its
-    data away.  The hint stream is not written and dummy values with
-    adequate padding are stored in the first cross reference table,
-    linearization parameter dictionary, and /Prev key of the first
-    trailer dictionary.  All the offset, length, object renumbering
-    information, and anything else we need for the second pass is
-    stored.
-   </p><p>
-    At the end of the first pass, this information is passed to the
-    <code class="classname">QPDF</code> class which constructs a compressed
-    hint stream in a memory buffer and returns it.
-    <code class="classname">QPDFWriter</code> uses this information to write a
-    complete hint stream object into a memory buffer.  At this point,
-    the length of the hint stream is known.
-   </p><p>
-    In the second pass, the end of the pipeline chain is a regular
-    file instead of a discard pipeline, and we have known values for
-    all the offsets and lengths that we didn't have in the first pass.
-    We have to adjust offsets that appear after the start of the hint
-    stream by the length of the hint stream, which is known.  Anything
-    that is of variable length is padded, with the padding code
-    surrounding any writing code that differs in the two passes.  This
-    ensures that changes to the way things are represented never
-    results in offsets that were gathered during the first pass
-    becoming incorrect for the second pass.
-   </p><p>
-    Using this strategy, we can write linearized files to a
-    non-seekable output stream with only a single pass to disk or
-    wherever the output is going.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.linearization-data"></a>8.5. Calculating Linearization Data</h2></div></div></div><p>
-    Once a file is optimized, we have information about which objects
-    access which other objects.  We can then process these tables to
-    decide which part (as described in “Linearized PDF Document
-    Structure” in the PDF specification) each object is
-    contained within.  This tells us the exact order in which objects
-    are written.  The <code class="classname">QPDFWriter</code> class asks for
-    this information and enqueues objects for writing in the proper
-    order.  It also turns on a check that causes an exception to be
-    thrown if an object is encountered that has not already been
-    queued.  (This could happen only if there were a bug in the
-    traversal code used to calculate the linearization data.)
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.linearization-issues"></a>8.6. Known Issues with Linearization</h2></div></div></div><p>
-    There are a handful of known issues with this linearization code.
-    These issues do not appear to impact the behavior of linearized
-    files which still work as intended: it is possible for a web
-    browser to begin to display them before they are fully
-    downloaded.  In fact, it seems that various other programs that
-    create linearized files have many of these same issues.  These
-    items make reference to terminology used in the linearization
-    appendix of the PDF specification.
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       Thread Dictionary information keys appear in part 4 with the
-       rest of Threads instead of in part 9.  Objects in part 9 are
-       not grouped together functionally.
-      </p></li><li class="listitem"><p>
-       We are not calculating numerators for shared object positions
-       within content streams or interleaving them within content
-       streams.
-      </p></li><li class="listitem"><p>
-       We generate only page offset, shared object, and outline hint
-       tables.  It would be relatively easy to add some additional
-       tables.  We gather most of the information needed to create
-       thumbnail hint tables.  There are comments in the code about
-       this.
-      </p></li></ul></div><p>
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.linearization-debugging"></a>8.7. Debugging Note</h2></div></div></div><p>
-    The <span class="command"><strong>qpdf --show-linearization</strong></span> command can show
-    the complete contents of linearization hint streams.  To look at
-    the raw data, you can extract the filtered contents of the
-    linearization hint tables using <span class="command"><strong>qpdf --show-object=n
-    --filtered-stream-data</strong></span>.  Then, to convert this into a
-    bit stream (since linearization tables are bit streams written
-    without regard to byte boundaries), you can pipe the resulting
-    data through the following perl code:
-
-    </p><pre class="programlisting">use bytes;
-binmode STDIN;
-undef $/;
-my $a = &lt;STDIN&gt;;
-my @ch = split(//, $a);
-map { printf("%08b", ord($_)) } @ch;
-print "\n";
-</pre><p>
-   </p></div></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="ref.object-and-xref-streams"></a>Chapter 9. Object and Cross-Reference Streams</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="#ref.object-streams">9.1. Object Streams</a></span></dt><dt><span class="sect1"><a href="#ref.xref-streams">9.2. Cross-Reference Streams</a></span></dt><dd><dl><dt><span class="sect2"><a href="#ref.xref-stream-data">9.2.1. Cross-Reference Stream Data</a></span></dt></dl></dd><dt><span class="sect1"><a href="#ref.object-streams-linearization">9.3. Implications for Linearized Files</a></span></dt><dt><span class="sect1"><a href="#ref.object-stream-implementation">9.4. Implementation Notes</a></span></dt></dl></div><p>
-   This chapter provides information about the implementation of
-   object stream and cross-reference stream support in qpdf.
-  </p><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.object-streams"></a>9.1. Object Streams</h2></div></div></div><p>
-    Object streams can contain any regular object except the
-    following:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       stream objects
-      </p></li><li class="listitem"><p>
-       objects with generation &gt; 0
-      </p></li><li class="listitem"><p>
-       the encryption dictionary
-      </p></li><li class="listitem"><p>
-       objects containing the /Length of another stream
-      </p></li></ul></div><p>
-    In addition, Adobe reader (at least as of version 8.0.0) appears
-    to not be able to handle having the document catalog appear in an
-    object stream if the file is encrypted, though this is not
-    specifically disallowed by the specification.
-   </p><p>
-    There are additional restrictions for linearized files.  See <a class="xref" href="#ref.object-streams-linearization" title="9.3. Implications for Linearized Files">Section 9.3, “Implications for Linearized Files”</a>for details.
-   </p><p>
-    The PDF specification refers to objects in object streams as
-    “compressed objects” regardless of whether the object
-    stream is compressed.
-   </p><p>
-    The generation number of every object in an object stream must be
-    zero.  It is possible to delete and replace an object in an object
-    stream with a regular object.
-   </p><p>
-    The object stream dictionary has the following keys:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       <code class="literal">/N</code>: number of objects
-      </p></li><li class="listitem"><p>
-       <code class="literal">/First</code>: byte offset of first object
-      </p></li><li class="listitem"><p>
-       <code class="literal">/Extends</code>: indirect reference to stream that
-       this extends
-      </p></li></ul></div><p>
-   </p><p>
-    Stream collections are formed with <code class="literal">/Extends</code>.
-    They must form a directed acyclic graph.  These can be used for
-    semantic information and are not meaningful to the PDF document's
-    syntactic structure.  Although qpdf preserves stream collections,
-    it never generates them and doesn't make use of this information
-    in any way.
-   </p><p>
-    The specification recommends limiting the number of objects in
-    object stream for efficiency in reading and decoding.  Acrobat 6
-    uses no more than 100 objects per object stream for linearized
-    files and no more 200 objects per stream for non-linearized files.
-    <code class="classname">QPDFWriter</code>, in object stream generation
-    mode, never puts more than 100 objects in an object stream.
-   </p><p>
-    Object stream contents consists of <span class="emphasis"><em>N</em></span> pairs of
-    integers, each of which is the object number and the byte offset
-    of the object relative to the first object in the stream, followed
-    by the objects themselves, concatenated.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.xref-streams"></a>9.2. Cross-Reference Streams</h2></div></div></div><p>
-    For non-hybrid files, the value following
-    <code class="literal">startxref</code> is the byte offset to the xref stream
-    rather than the word <code class="literal">xref</code>.
-   </p><p>
-    For hybrid files (files containing both xref tables and
-    cross-reference streams), the xref table's trailer dictionary
-    contains the key <code class="literal">/XRefStm</code> whose value is the
-    byte offset to a cross-reference stream that supplements the xref
-    table.  A PDF 1.5-compliant application should read the xref table
-    first.  Then it should replace any object that it has already seen
-    with any defined in the xref stream.  Then it should follow any
-    <code class="literal">/Prev</code> pointer in the original xref table's
-    trailer dictionary.  The specification is not clear about what
-    should be done, if anything, with a <code class="literal">/Prev</code>
-    pointer in the xref stream referenced by an xref table.  The
-    <code class="classname">QPDF</code> class ignores it, which is probably
-    reasonable since, if this case were to appear for any sensible PDF
-    file, the previous xref table would probably have a corresponding
-    <code class="literal">/XRefStm</code> pointer of its own.  For example, if a
-    hybrid file were appended, the appended section would have its own
-    xref table and <code class="literal">/XRefStm</code>.  The appended xref
-    table would point to the previous xref table which would point the
-    <code class="literal">/XRefStm</code>, meaning that the new
-    <code class="literal">/XRefStm</code> doesn't have to point to it.
-   </p><p>
-    Since xref streams must be read very early, they may not be
-    encrypted, and the may not contain indirect objects for keys
-    required to read them, which are these:
-    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-       <code class="literal">/Type</code>: value <code class="literal">/XRef</code>
-      </p></li><li class="listitem"><p>
-       <code class="literal">/Size</code>: value <span class="emphasis"><em>n+1</em></span>: where
-       <span class="emphasis"><em>n</em></span> is highest object number (same as
-       <code class="literal">/Size</code> in the trailer dictionary)
-      </p></li><li class="listitem"><p>
-       <code class="literal">/Index</code> (optional): value
-       <code class="literal"><em class="replaceable"><code>n count</code></em> ...</code>
-       used to determine which objects' information is stored in this
-       stream.  The default is <code class="literal">0 /Size</code>.
-      </p></li><li class="listitem"><p>
-       <code class="literal">/Prev</code>: value
-       <em class="replaceable"><code>offset</code></em>: byte offset of previous xref
-       stream (same as <code class="literal">/Prev</code> in the trailer
-       dictionary)
-      </p></li><li class="listitem"><p>
-       <code class="literal">/W ...</code>: sizes of each field in the xref
-       table
-      </p></li></ul></div><p>
-   </p><p>
-    The other fields in the xref stream, which may be indirect if
-    desired, are the union of those from the xref table's trailer
-    dictionary.
-   </p><div class="sect2"><div class="titlepage"><div><div><h3 class="title"><a id="ref.xref-stream-data"></a>9.2.1. Cross-Reference Stream Data</h3></div></div></div><p>
-     The stream data is binary and encoded in big-endian byte order.
-     Entries are concatenated, and each entry has a length equal to
-     the total of the entries in <code class="literal">/W</code> above.  Each
-     entry consists of one or more fields, the first of which is the
-     type of the field.  The number of bytes for each field is given
-     by <code class="literal">/W</code> above.  A 0 in <code class="literal">/W</code>
-     indicates that the field is omitted and has the default value.
-     The default value for the field type is
-     “<code class="literal">1</code>”.  All other default values are
-     “<code class="literal">0</code>”.
-    </p><p>
-     PDF 1.5 has three field types:
-     </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        0: for free objects.  Format: <code class="literal">0 obj
-        next-generation</code>, same as the free table in a
-        traditional cross-reference table
-      </p></li><li class="listitem"><p>
-       1: regular non-compressed object.  Format: <code class="literal">1 offset
-       generation</code>
-      </p></li><li class="listitem"><p>
-       2: for objects in object streams.  Format: <code class="literal">2
-       object-stream-number index</code>, the number of object
-       stream containing the object and the index within the object
-       stream of the object.
-      </p></li></ul></div><p>
-    </p><p>
-     It seems standard to have the first entry in the table be
-     <code class="literal">0 0 0</code> instead of <code class="literal">0 0 ffff</code>
-     if there are no deleted objects.
-    </p></div></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.object-streams-linearization"></a>9.3. Implications for Linearized Files</h2></div></div></div><p>
-    For linearized files, the linearization dictionary, document
-    catalog, and page objects may not be contained in object streams.
-   </p><p>
-    Objects stored within object streams are given the highest range
-    of object numbers within the main and first-page cross-reference
-    sections.
-   </p><p>
-    It is okay to use cross-reference streams in place of regular xref
-    tables.  There are on special considerations.
-   </p><p>
-    Hint data refers to object streams themselves, not the objects in
-    the streams.  Shared object references should also be made to the
-    object streams.  There are no reference in any hint tables to the
-    object numbers of compressed objects (objects within object
-    streams).
-   </p><p>
-    When numbering objects, all shared objects within both the first
-    and second halves of the linearized files must be numbered
-    consecutively after all normal uncompressed objects in that half.
-   </p></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ref.object-stream-implementation"></a>9.4. Implementation Notes</h2></div></div></div><p>
-    There are three modes for writing object streams:
-    <code class="option">disable</code>, <code class="option">preserve</code>, and
-    <code class="option">generate</code>.  In disable mode, we do not generate
-    any object streams, and we also generate an xref table rather than
-    xref streams.  This can be used to generate PDF files that are
-    viewable with older readers.  In preserve mode, we write object
-    streams such that written object streams contain the same objects
-    and <code class="literal">/Extends</code> relationships as in the original
-    file.  This is equal to disable if the file has no object streams.
-    In generate, we create object streams ourselves by grouping
-    objects that are allowed in object streams together in sets of no
-    more than 100 objects.  We also ensure that the PDF version is at
-    least 1.5 in generate mode, but we preserve the version header in
-    the other modes.  The default is <code class="option">preserve</code>.
-   </p><p>
-    We do not support creation of hybrid files.  When we write files,
-    even in preserve mode, we will lose any xref tables and merge any
-    appended sections.
-   </p></div></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="ref.release-notes"></a>Appendix A. Release Notes</h1></div></div></div><p>
-   For a detailed list of changes, please see the file
-   <code class="filename">ChangeLog</code> in the source distribution.
-  </p><div class="variablelist"><dl class="variablelist"><dt><span class="term">8.4.2: May 18, 2019</span></dt><dd><p>
-      This release has just one change: correction of a buffer overrun
-      in the Windows code used to open files. Windows users should
-      take this update. There are no code changes that affect
-      non-Windows releases.
-     </p></dd><dt><span class="term">8.4.1: April 27, 2019</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          When <span class="command"><strong>qpdf --version</strong></span> is run, it will
-          detect if the qpdf CLI was built with a different version of
-          qpdf than the library, which may indicate a problem with the
-          installation.
-         </p></li><li class="listitem"><p>
-	  New option <code class="option">--remove-page-labels</code> will remove page
-          labels before generating output. This used to happen if you
-          ran <span class="command"><strong>qpdf --empty --pages .. --</strong></span>, but the
-          behavior changed in qpdf 8.3.0. This option enables people
-          who were relying on the old behavior to get it again.
-         </p></li><li class="listitem"><p>
-          New option
-          <code class="option">--keep-files-open-threshold=<em class="replaceable"><code>count</code></em></code>
-          can be used to override number of files that qpdf will use
-          to trigger the behavior of not keeping all files open when
-          merging files. This may be necessary if your system allows
-          fewer than the default value of 200 files to be open at the
-          same time.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Bug Fixes
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Handle Unicode characters in filenames on Windows. The
-          changes to support Unicode on the CLI in Windows broke
-          Unicode filenames for Windows.
-         </p></li><li class="listitem"><p>
-          Slightly tighten logic that determines whether an object is
-          a page. This should resolve problems in some rare files
-          where some non-page objects were passing qpdf's test for
-          whether something was a page, thus causing them to be
-          erroneously lost during page splitting operations.
-         </p></li><li class="listitem"><p>
-	  Revert change that included preservation of outlines
-	  (bookmarks) in <code class="option">--split-pages</code>. The way it
-	  was implemented in 8.3.0 and 8.4.0 caused a very significant
-	  degradation of performance for splitting certain files. A
-	  future release of qpdf may re-introduce the behavior in a
-	  more performant and also more correct fashion.
-         </p></li><li class="listitem"><p>
-          In JSON mode, add missing leading 0 to decimal values
-          between -1 and 1 even if not present in the input. The JSON
-          specification requires the leading 0. The PDF specification
-          does not.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">8.4.0: February 1, 2019</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Command-line Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          <span class="emphasis"><em>Non-compatible CLI change:</em></span> The qpdf
-          command-line tool interprets passwords given at the
-          command-line differently from previous releases when the
-          passwords contain non-ASCII characters. In some cases, the
-          behavior differs from previous releases. For a discussion of
-          the current behavior, please see <a class="xref" href="#ref.unicode-passwords" title="3.10. Unicode Passwords">Section 3.10, “Unicode Passwords”</a>. The incompatibilities are
-          as follows:
-          </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: square; "><li class="listitem"><p>
-             On Windows, qpdf now receives all command-line options as
-             Unicode strings if it can figure out the appropriate
-             compile/link options. This is enabled at least for MSVC
-             and mingw builds. That means that if non-ASCII strings
-             are passed to the qpdf CLI in Windows, qpdf will now
-             correctly receive them. In the past, they would have
-             either been encoded as Windows code page 1252 (also known
-             as “Windows ANSI” or as something
-             unintelligible. In almost all cases, qpdf is able to
-             properly interpret Unicode arguments now, whereas in the
-             past, it would almost never interpret them properly. The
-             result is that non-ASCII passwords given to the qpdf CLI
-             on Windows now have a much greater chance of creating PDF
-             files that can be opened by a variety of readers. In the
-             past, usually files encrypted from the Windows CLI using
-             non-ASCII passwords would not be readable by most
-             viewers. Note that the current version of qpdf is able to
-             decrypt files that it previously created using the
-             previously supplied password.
-            </p></li><li class="listitem"><p>
-             The PDF specification requires passwords to be encoded as
-             UTF-8 for 256-bit encryption and with PDF Doc encoding
-             for 40-bit or 128-bit encryption. Older versions of qpdf
-             left it up to the user to provide passwords with the
-             correct encoding. The qpdf CLI now detects when a
-             password is given with UTF-8 encoding and automatically
-             transcodes it to what the PDF spec requires. While this
-             is almost always the correct behavior, it is possible to
-             override the behavior if there is some reason to do so.
-             This is discussed in more depth in <a class="xref" href="#ref.unicode-passwords" title="3.10. Unicode Passwords">Section 3.10, “Unicode Passwords”</a>.
-            </p></li></ul></div><p>
-         </p></li><li class="listitem"><p>
-          New options <code class="option">--externalize-inline-images</code>,
-          <code class="option">--ii-min-bytes</code>, and
-          <code class="option">--keep-inline-images</code> control qpdf's
-          handling of inline images and possible conversion of them to
-          regular images. By default,
-          <code class="option">--optimize-images</code> now also applies to
-          inline images. These options are discussed in <a class="xref" href="#ref.advanced-transformation" title="3.8. Advanced Transformation Options">Section 3.8, “Advanced Transformation Options”</a>.
-         </p></li><li class="listitem"><p>
-          Add options <code class="option">--overlay</code> and
-          <code class="option">--underlay</code> for overlaying or underlaying
-          pages of other files onto output pages. See <a class="xref" href="#ref.overlay-underlay" title="3.6. Overlay and Underlay Options">Section 3.6, “Overlay and Underlay Options”</a> for details.
-         </p></li><li class="listitem"><p>
-          When opening an encrypted file with a password, if the
-          specified password doesn't work and the password contains
-          any non-ASCII characters, qpdf will try a number of
-          alternative passwords to try to compensate for possible
-          character encoding errors. This behavior can be suppressed
-          with the <code class="option">--suppress-password-recovery</code>
-          option. See <a class="xref" href="#ref.unicode-passwords" title="3.10. Unicode Passwords">Section 3.10, “Unicode Passwords”</a> for a
-          full discussion.
-         </p></li><li class="listitem"><p>
-          Add the <code class="option">--password-mode</code> option to fine-tune
-          how qpdf interprets password arguments, especially when they
-          contain non-ASCII characters. See <a class="xref" href="#ref.unicode-passwords" title="3.10. Unicode Passwords">Section 3.10, “Unicode Passwords”</a> for more information.
-         </p></li><li class="listitem"><p>
-          In the <code class="option">--pages</code> option, it is now possible
-          to copy the same page more than once from the same file
-          without using the previous workaround of specifying two
-          different paths to the same file.
-         </p></li><li class="listitem"><p>
-          In the <code class="option">--pages</code> option, allow use of
-          “.” as a shortcut for the primary input file.
-          That way, you can do <span class="command"><strong>qpdf in.pdf --pages . 1-2 --
-          out.pdf</strong></span> instead of having to repeat
-          <code class="filename">in.pdf</code> in the command.
-         </p></li><li class="listitem"><p>
-          When encrypting with 128-bit and 256-bit encryption, new
-          encryption options <code class="option">--assemble</code>,
-          <code class="option">--annotate</code>, <code class="option">--form</code>, and
-          <code class="option">--modify-other</code> allow more fine-grained
-          granularity in configuring options. Before, the
-          <code class="option">--modify</code> option only configured certain
-          predefined groups of permissions.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Bug Fixes and Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          <span class="emphasis"><em>Potential data-loss bug:</em></span> Versions of
-          qpdf between 8.1.0 and 8.3.0 had a bug that could cause page
-          splitting and merging operations to drop some font or image
-          resources if the PDF file's internal structure shared these
-          resource lists across pages and if some but not all of the
-          pages in the output did not reference all the fonts and
-          images. Using the
-          <code class="option">--preserve-unreferenced-resources</code> option
-          would work around the incorrect behavior. This bug was the
-          result of a typo in the code and a deficiency in the test
-          suite. The case that triggered the error was known, just not
-          handled properly. This case is now exercised in qpdf's test
-          suite and properly handled.
-         </p></li><li class="listitem"><p>
-           When optimizing images, detect and refuse to optimize
-           images that can't be converted to JPEG because of bit depth
-           or color space.
-         </p></li><li class="listitem"><p>
-          Linearization and page manipulation APIs now detect and
-          recover from files that have duplicate Page objects in the
-          pages tree.
-         </p></li><li class="listitem"><p>
-          Using older option <code class="option">--stream-data=compress</code>
-          with object streams, object streams and xref streams were
-          not compressed.
-         </p></li><li class="listitem"><p>
-          When the tokenizer returns inline image tokens, delimiters
-          following <code class="literal">ID</code> and <code class="literal">EI</code>
-          operators are no longer excluded. This makes it possible to
-          reliably extract the actual image data.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Library Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Add method
-          <code class="function">QPDFPageObjectHelper::externalizeInlineImages</code>
-          to convert inline images to regular images.
-         </p></li><li class="listitem"><p>
-          Add method
-          <code class="function">QUtil::possible_repaired_encodings()</code> to
-          generate a list of strings that represent other ways the
-          given string could have been encoded. This is the method the
-          QPDF CLI uses to generate the strings it tries when
-          recovering incorrectly encoded Unicode passwords.
-         </p></li><li class="listitem"><p>
-          Add new versions of
-          <code class="function">QPDFWriter::setR{3,4,5,6}EncryptionParameters</code>
-          that allow more granular setting of permissions bits. See
-          <code class="filename">QPDFWriter.hh</code> for details.
-         </p></li><li class="listitem"><p>
-          Add new versions of the transcoders from UTF-8 to
-          single-byte coding systems in <code class="classname">QUtil</code>
-          that report success or failure rather than just substituting
-          a specified unknown character.
-         </p></li><li class="listitem"><p>
-          Add method <code class="function">QUtil::analyze_encoding()</code> to
-          determine whether a string has high-bit characters and is
-          appears to be UTF-16 or valid UTF-8 encoding.
-         </p></li><li class="listitem"><p>
-          Add new method
-          <code class="function">QPDFPageObjectHelper::shallowCopyPage()</code>
-          to copy a new page that is a “shallow copy” of a
-          page. The resulting object is an indirect object ready to be
-          passed to
-          <code class="function">QPDFPageDocumentHelper::addPage()</code> for
-          either the original <code class="classname">QPDF</code> object or a
-          different one. This is what the <span class="command"><strong>qpdf</strong></span>
-          command-line tool uses to copy the same page multiple times
-          from the same file during splitting and merging operations.
-         </p></li><li class="listitem"><p>
-          Add method <code class="function">QPDF::getUniqueId()</code>, which
-          returns a unique identifier for the given QPDF object. The
-          identifier will be unique across the life of the
-          application. The returned value can be safely used as a map
-          key.
-         </p></li><li class="listitem"><p>
-          Add method <code class="function">QPDF::setImmediateCopyFrom</code>.
-          This further enhances qpdf's ability to allow a
-          <code class="classname">QPDF</code> object from which objects are
-          being copied to go out of scope before the destination
-          object is written. If you call this method on a
-          <code class="classname">QPDF</code> instances, objects copied
-          <span class="emphasis"><em>from</em></span> this instance will be copied
-          immediately instead of lazily. This option uses more memory
-          but allows the source object to go out of scope before the
-          destination object is written in all cases. See comments in
-          <code class="filename">QPDF.hh</code> for details.
-         </p></li><li class="listitem"><p>
-          Add method
-          <code class="function">QPDFPageObjectHelper::getAttribute</code> for
-          retrieving an attribute from the page dictionary taking
-          inheritance into consideration, and optionally making a copy
-          if your intention is to modify the attribute.
-         </p></li><li class="listitem"><p>
-          Fix long-standing limitation of
-          <code class="function">QPDFPageObjectHelper::getPageImages</code> so
-          that it now properly reports images from inherited resources
-          dictionaries, eliminating the need to call
-          <code class="function">QPDFPageDocumentHelper::pushInheritedAttributesToPage</code>
-          in this case.
-         </p></li><li class="listitem"><p>
-          Add method
-          <code class="function">QPDFObjectHandle::getUniqueResourceName</code>
-          for finding an unused name in a resource dictionary.
-         </p></li><li class="listitem"><p>
-          Add method
-          <code class="function">QPDFPageObjectHelper::getFormXObjectForPage</code>
-          for generating a form XObject equivalent to a page. The
-          resulting object can be used in the same file or copied to
-          another file with <code class="function">copyForeignObject</code>.
-          This can be useful for implementing underlay, overlay, n-up,
-          thumbnails, or any other functionality requiring replication
-          of pages in other contexts.
-         </p></li><li class="listitem"><p>
-          Add method
-          <code class="function">QPDFPageObjectHelper::placeFormXObject</code>
-          for generating content stream text that places a given form
-          XObject on a page, centered and fit within a specified
-          rectangle. This method takes care of computing the proper
-          transformation matrix and may optionally compensate for
-          rotation or scaling of the destination page.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Build Improvements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Add new configure option
-          <code class="option">--enable-avoid-windows-handle</code>, which causes
-          the preprocessor symbol
-          <code class="literal">AVOID_WINDOWS_HANDLE</code> to be defined. When
-          defined, qpdf will avoid referencing the Windows
-          <code class="classname">HANDLE</code> type, which is disallowed with
-          certain versions of the Windows SDK.
-         </p></li><li class="listitem"><p>
-          For Windows builds, attempt to determine what options, if
-          any, have to be passed to the compiler and linker to enable
-          use of <code class="function">wmain</code>. This causes the
-          preprocessor symbol <code class="literal">WINDOWS_WMAIN</code> to be
-          defined. If you do your own builds with other compilers, you
-          can define this symbol to cause <code class="function">wmain</code>
-          to be used. This is needed to allow the Windows
-          <span class="command"><strong>qpdf</strong></span> command to receive Unicode
-          command-line options.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">8.3.0: January 7, 2019</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Command-line Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Shell completion: you can now use eval <span class="command"><strong>$(qpdf
-          --completion-bash)</strong></span> and eval <span class="command"><strong>$(qpdf
-          --completion-zsh)</strong></span> to enable shell completion for
-          bash and zsh.
-         </p></li><li class="listitem"><p>
-          Page numbers (also known as page labels) are now preserved
-          when merging and splitting files with the
-          <code class="option">--pages</code> and <code class="option">--split-pages</code>
-          options.
-         </p></li><li class="listitem"><p>
-          Bookmarks are partially preserved when splitting pages with
-          the <code class="option">--split-pages</code> option. Specifically, the
-          outlines dictionary and some supporting metadata are copied
-          into the split files. The result is that all bookmarks from
-          the original file appear, those that point to pages that are
-          preserved work, and those that point to pages that are not
-          preserved don't do anything. This is an interim step toward
-          proper support for bookmarks in splitting and merging
-          operations.
-         </p></li><li class="listitem"><p>
-          Page collation: add new option <code class="option">--collate</code>.
-          When specified, the semantics of <code class="option">--pages</code>
-          change from concatenation to collation. See <a class="xref" href="#ref.page-selection" title="3.5. Page Selection Options">Section 3.5, “Page Selection Options”</a> for examples and discussion.
-         </p></li><li class="listitem"><p>
-          Generation of information in JSON format, primarily to
-          facilitate use of qpdf from languages other than C++. Add
-          new options <code class="option">--json</code>,
-          <code class="option">--json-key</code>, and
-          <code class="option">--json-object</code> to generate a JSON
-          representation of the PDF file. Run <span class="command"><strong>qpdf
-          --json-help</strong></span> to get a description of the JSON
-          format. For more information, see <a class="xref" href="#ref.json" title="Chapter 6. QPDF JSON">Chapter 6, <em>QPDF JSON</em></a>.
-         </p></li><li class="listitem"><p>
-          The <code class="option">--generate-appearances</code> flag will cause
-          qpdf to generate appearances for form fields if the PDF file
-          indicates that form field appearances are out of date. This
-          can happen when PDF forms are filled in by a program that
-          doesn't know how to regenerate the appearances of the
-          filled-in fields.
-         </p></li><li class="listitem"><p>
-          The <code class="option">--flatten-annotations</code> flag can be used
-          to <span class="emphasis"><em>flatten</em></span> annotations, including form
-          fields. Ordinarily, annotations are drawn separately from
-          the page. Flattening annotations is the process of combining
-          their appearances into the page's contents. You might want
-          to do this if you are going to rotate or combine pages using
-          a tool that doesn't understand about annotations. You may
-          also want to use <code class="option">--generate-appearances</code>
-          when using this flag since annotations for outdated form
-          fields are not flattened as that would cause loss of
-          information.
-         </p></li><li class="listitem"><p>
-          The <code class="option">--optimize-images</code> flag tells qpdf to
-          recompresses every image using DCT (JPEG) compression as
-          long as the image is not already compressed with lossy
-          compression and recompressing the image reduces its size.
-          The additional options <code class="option">--oi-min-width</code>,
-          <code class="option">--oi-min-height</code>, and
-          <code class="option">--oi-min-area</code> prevent recompression of
-          images whose width, height, or pixel area
-          (width × height) are below a specified
-          threshold.
-         </p></li><li class="listitem"><p>
-          The <code class="option">--show-object</code> option can now be given
-          as <code class="option">--show-object=trailer</code> to show the
-          trailer dictionary.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Bug Fixes and Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          QPDF now automatically detects and recovers from dangling
-          references. If a PDF file contained an indirect reference to
-          a non-existent object, which is valid, when adding a new
-          object to the file, it was possible for the new object to
-          take the object ID of the dangling reference, thereby
-          causing the dangling reference to point to the new object.
-          This case is now prevented.
-         </p></li><li class="listitem"><p>
-          Fixes to form field setting code: strings are always written
-          in UTF-16 format, and checkboxes and radio buttons are
-          handled properly with respect to synchronization of values
-          and appearance states.
-         </p></li><li class="listitem"><p>
-          The <code class="function">QPDF::checkLinearization()</code> no
-          longer causes the program to crash when it detects problems
-          with linearization data. Instead, it issues a normal warning
-          or error.
-         </p></li><li class="listitem"><p>
-          Ordinarily qpdf treats an argument of the form
-          <code class="option">@file</code> to mean that command-line options
-          should be read from <code class="filename">file</code>. Now, if
-          <code class="filename">file</code> does not exist but
-          <code class="filename">@file</code> does, qpdf will treat
-          <code class="filename">@file</code> as a regular option. This makes
-          it possible to work more easily with PDF files whose names
-          happen to start with the <code class="literal">@</code> character.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Library Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Remove the restriction in most cases that the source QPDF
-          object used in a
-          <code class="function">QPDF::copyForeignObject</code> call has to
-          stick around until the destination QPDF is written. The
-          exceptional case is when the source stream gets is data
-          using a QPDFObjectHandle::StreamDataProvider. For a more
-          in-depth discussion, see comments around
-          <code class="function">copyForeignObject</code> in
-          <code class="filename">QPDF.hh</code>.
-         </p></li><li class="listitem"><p>
-          Add new method
-          <code class="function">QPDFWriter::getFinalVersion()</code>, which
-          returns the PDF version that will ultimately be written to
-          the final file. See comments in
-          <code class="filename">QPDFWriter.hh</code> for some restrictions on
-          its use.
-         </p></li><li class="listitem"><p>
-          Add several methods for transcoding strings to some of the
-          character sets used in PDF files:
-          <code class="function">QUtil::utf8_to_ascii</code>,
-          <code class="function">QUtil::utf8_to_win_ansi</code>,
-          <code class="function">QUtil::utf8_to_mac_roman</code>, and
-          <code class="function">QUtil::utf8_to_utf16</code>. For the
-          single-byte encodings that support only a limited character
-          sets, these methods replace unsupported characters with a
-          specified substitute.
-         </p></li><li class="listitem"><p>
-          Add new methods to
-          <code class="classname">QPDFAnnotationObjectHelper</code> and
-          <code class="classname">QPDFFormFieldObjectHelper</code> for
-          querying flags and interpretation of different field types.
-          Define constants in <code class="filename">qpdf/Constants.h</code> to
-          help with interpretation of flag values.
-         </p></li><li class="listitem"><p>
-          Add new methods
-          <code class="function">QPDFAcroFormDocumentHelper::generateAppearancesIfNeeded</code>
-          and
-          <code class="function">QPDFFormFieldObjectHelper::generateAppearance</code>
-          for generating appearance streams. See discussion in
-          <code class="filename">QPDFFormFieldObjectHelper.hh</code> for
-          limitations.
-         </p></li><li class="listitem"><p>
-          Add two new helper functions for dealing with resource
-          dictionaries:
-          <code class="function">QPDFObjectHandle::getResourceNames()</code>
-          returns a list of all second-level keys, which correspond to
-          the names of resources, and
-          <code class="function">QPDFObjectHandle::mergeResources()</code>
-          merges two resources dictionaries as long as they have
-          non-conflicting keys. These methods are useful for certain
-          types of objects that resolve resources from multiple places,
-          such as form fields.
-         </p></li><li class="listitem"><p>
-          Add methods
-          <code class="function">QPDFPageDocumentHelper::flattenAnnotations()</code>
-          and
-          <code class="function">QPDFAnnotationObjectHelper::getPageContentForAppearance()</code>
-          for handling low-level details of annotation flattening.
-         </p></li><li class="listitem"><p>
-          Add new helper classes:
-          <code class="classname">QPDFOutlineDocumentHelper</code>,
-          <code class="classname">QPDFOutlineObjectHelper</code>,
-          <code class="classname">QPDFPageLabelDocumentHelper</code>,
-          <code class="classname">QPDFNameTreeObjectHelper</code>, and
-          <code class="classname">QPDFNumberTreeObjectHelper</code>.
-         </p></li><li class="listitem"><p>
-          Add method <code class="function">QPDFObjectHandle::getJSON()</code>
-          that returns a JSON representation of the object. Call
-          <code class="function">serialize()</code> on the result to convert it
-          to a string.
-         </p></li><li class="listitem"><p>
-          Add a simple JSON serializer. This is not a complete or
-          general-purpose JSON library. It allows assembly and
-          serialization of JSON structures with some restrictions,
-          which are described in the header file. This is the
-          serializer used by qpdf's new JSON representation.
-         </p></li><li class="listitem"><p>
-          Add new <code class="classname">QPDFObjectHandle::Matrix</code>
-          class along with a few convenience methods for dealing with
-          six-element numerical arrays as matrices.
-         </p></li><li class="listitem"><p>
-          Add new method
-          <code class="function">QPDFObjectHandle::wrapInArray</code>, which returns
-          the object itself if it is an array, or an array containing
-          the object otherwise. This is a common construct in PDF.
-          This method prevents you from having to explicitly test
-          whether something is a single element or an array.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Build Improvements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          It is no longer necessary to run
-          <span class="command"><strong>autogen.sh</strong></span> to build from a pristine
-          checkout. Automatically generated files are now committed so
-          that it is possible to build on platforms without autoconf
-          directly from a clean checkout of the repository. The
-          <span class="command"><strong>configure</strong></span> script detects if the files are
-          out of date when it also determines that the tools are
-          present to regenerate them.
-         </p></li><li class="listitem"><p>
-          Pull requests and the master branch are now built
-          automatically in <a class="ulink" href="https://dev.azure.com/qpdf/qpdf/_build" target="_top">Azure
-          Pipelines</a>, which is free for open source projects.
-          The build includes Linux, mac, Windows 32-bit and 64-bit
-          with mingw and MSVC, and an AppImage build. Official qpdf
-          releases are now built with Azure Pipelines.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Notes for Packagers
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          A new section has been added to the documentation with notes
-          for packagers. Please see <a class="xref" href="#ref.packaging" title="2.3. Notes for Packagers">Section 2.3, “Notes for Packagers”</a>.
-         </p></li><li class="listitem"><p>
-          The qpdf detects out-of-date automatically generated files.
-          If your packaging system automatically refreshes libtool or
-          autoconf files, it could cause this check to fail. To avoid
-          this problem, pass
-          <code class="option">--disable-check-autofiles</code> to
-          <span class="command"><strong>configure</strong></span>.
-         </p></li><li class="listitem"><p>
-          If you would like to have qpdf completion enabled
-          automatically, you can install completion files in the
-          distribution's default location. You can find sample
-          completion files to install in the
-          <code class="filename">completions</code> directory.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">8.2.1: August 18, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Command-line Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-	  Add
-	  <code class="option">--keep-files-open=<em class="replaceable"><code>yn</code></em></code>
-	  to override default determination of whether to keep files
-	  open when merging. Please see the discussion of
-	  <code class="option">--keep-files-open</code> in <a class="xref" href="#ref.basic-options" title="3.3. Basic Options">Section 3.3, “Basic Options”</a> for additional details.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">8.2.0: August 16, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Command-line Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-	  Add <code class="option">--no-warn</code> option to suppress issuing
-	  warning messages. If there are any conditions that would
-	  have caused warnings to be issued, the exit status is still
-	  3.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Bug Fixes and Optimizations
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-	  Performance fix: optimize page merging operation to avoid
-	  unnecessary open/close calls on files being merged. This
-          solves a dramatic slow-down that was observed when merging
-          certain types of files.
-         </p></li><li class="listitem"><p>
-          Optimize how memory was used for the TIFF predictor,
-          drastically improving performance and memory usage for files
-          containing high-resolution images compressed with Flate
-          using the TIFF predictor.
-         </p></li><li class="listitem"><p>
-	  Bug fix: end of line characters were not properly handled
-	  inside strings in some cases.
-         </p></li><li class="listitem"><p>
-	  Bug fix: using <code class="option">--progress</code> on very small
-          files could cause an infinite loop.
-         </p></li></ul></div></li><li class="listitem"><p>
-        API enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-	  Add new class <code class="classname">QPDFSystemError</code>, derived
-	  from <code class="classname">std::runtime_error</code>, which is now
-	  thrown by <code class="function">QUtil::throw_system_error</code>.
-	  This enables the triggering <code class="classname">errno</code>
-	  value to be retrieved.
-         </p></li><li class="listitem"><p>
-	  Add <code class="function">ClosedFileInputSource::stayOpen</code>
-	  method, enabling a
-	  <code class="classname">ClosedFileInputSource</code> to stay open
-	  during manually indicated periods of high activity, thus
-	  reducing the overhead of frequent open/close operations.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Build Changes
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-	  For the mingw builds, change the name of the DLL import
-	  library from <code class="filename">libqpdf.a</code> to
-	  <code class="filename">libqpdf.dll.a</code> to more accurately
-	  reflect that it is an import library rather than a static
-	  library. This potentially clears the way for supporting a
-	  static library in the future, though presently, the qpdf
-	  Windows build only builds the DLL and executables.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">8.1.0: June 23, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Usability Improvements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          When splitting files, qpdf detects fonts and images that the
-          document metadata claims are referenced from a page but are
-          not actually referenced and omits them from the output file.
-          This change can cause a significant reduction in the size of
-          split PDF files for files created by some software packages.
-          Prior versions of qpdf would believe the document metadata
-          and sometimes include all the images from all the other
-          pages even though the pages were no longer present. In the
-          unlikely event that the old behavior should be desired, it
-          can be enabled by specifying
-          <code class="option">--preserve-unreferenced-resources</code>. For
-          additional details, please see <a class="xref" href="#ref.advanced-transformation" title="3.8. Advanced Transformation Options">Section 3.8, “Advanced Transformation Options”</a>.
-         </p></li><li class="listitem"><p>
-          When merging multiple PDF files, qpdf no longer leaves all
-          the files open. This makes it possible to merge numbers of
-          files that may exceed the operating system's limit for the
-          maximum number of open files.
-         </p></li><li class="listitem"><p>
-          The <code class="option">--rotate</code> option's syntax has been
-          extended to make the page range optional. If you specify
-          <code class="option">--rotate=<em class="replaceable"><code>angle</code></em></code>
-          without specifying a page range, the rotation will be
-          applied to all pages. This can be especially useful for
-          adjusting a PDF created from a multi-page document that
-          was scanned upside down.
-         </p></li><li class="listitem"><p>
-          When merging multiple files, the <code class="option">--verbose</code>
-          option now prints information about each file as it operates
-          on that file.
-         </p></li><li class="listitem"><p>
-          When the <code class="option">--progress</code> option is specified,
-          qpdf will print a running indicator of its best guess at how
-          far through the writing process it is. Note that, as with
-          all progress meters, it's an approximation. This option is
-          implemented in a way that makes it useful for software that
-          uses the qpdf library; see API Enhancements below.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Bug Fixes
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Properly decrypt files that use revision 3 of the standard
-          security handler but use 40 bit keys (even though revision 3
-          supports 128-bit keys).
-         </p></li><li class="listitem"><p>
-          Limit depth of nested data structures to prevent crashes
-          from certain types of malformed (malicious) PDFs.
-         </p></li><li class="listitem"><p>
-          In “newline before endstream” mode, insert the
-          required extra newline before the
-          <code class="literal">endstream</code> at the end of object streams.
-          This one case was previously omitted.
-         </p></li></ul></div></li><li class="listitem"><p>
-        API Enhancements
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          The first round of higher level “helper”
-          interfaces has been introduced. These are designed to
-          provide a more convenient way of interacting with certain
-          document features than using
-          <code class="classname">QPDFObjectHandle</code> directly. For
-          details on helpers, see <a class="xref" href="#ref.helper-classes" title="7.3. Helper Classes">Section 7.3, “Helper Classes”</a>. Specific additional
-          interfaces are described below.
-         </p></li><li class="listitem"><p>
-          Add two new document helper classes:
-          <code class="classname">QPDFPageDocumentHelper</code> for working
-          with pages, and
-          <code class="classname">QPDFAcroFormDocumentHelper</code> for
-          working with interactive forms. No old methods have been
-          removed, but <code class="classname">QPDFPageDocumentHelper</code>
-          is now the preferred way to perform operations on pages
-          rather than calling the old methods in
-          <code class="classname">QPDFObjectHandle</code> and
-          <code class="classname">QPDF</code> directly. Comments in the header
-          files direct you to the new interfaces. Please see the
-          header files and <code class="filename">ChangeLog</code> for
-          additional details.
-         </p></li><li class="listitem"><p>
-          Add three new object helper class:
-          <code class="classname">QPDFPageObjectHelper</code> for pages,
-          <code class="classname">QPDFFormFieldObjectHelper</code> for
-          interactive form fields, and
-          <code class="classname">QPDFAnnotationObjectHelper</code> for
-          annotations. All three classes are fairly sparse at the
-          moment, but they have some useful, basic functionality.
-         </p></li><li class="listitem"><p>
-          A new example program
-          <code class="filename">examples/pdf-set-form-values.cc</code> has
-          been added that illustrates use of the new document and
-          object helpers.
-         </p></li><li class="listitem"><p>
-          The method
-          <code class="function">QPDFWriter::registerProgressReporter</code>
-          has been added. This method allows you to register a
-          function that is called by <code class="classname">QPDFWriter</code>
-          to update your idea of the percentage it thinks it is
-          through writing its output. Client programs can use this to
-          implement reasonably accurate progress meters. The
-          <span class="command"><strong>qpdf</strong></span> command line tool uses this to
-          implement its <code class="option">--progress</code> option.
-         </p></li><li class="listitem"><p>
-          New methods
-          <code class="function">QPDFObjectHandle::newUnicodeString</code> and
-          <code class="function">QPDFObject::unparseBinary</code> have been
-          added to allow for more convenient creation of strings that
-          are explicitly encoded using big-endian UTF-16. This is
-          useful for creating strings that appear outside of content
-          streams, such as labels, form fields, outlines, document
-          metadata, etc.
-         </p></li><li class="listitem"><p>
-          A new class
-          <code class="classname">QPDFObjectHandle::Rectangle</code> has been
-          added to ease working with PDF rectangles, which are just
-          arrays of four numeric values.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">8.0.2: March 6, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        When a loop is detected while following cross reference
-        streams or tables, treat this as damage instead of silently
-        ignoring the previous table. This prevents loss of otherwise
-        recoverable data in some damaged files.
-       </p></li></ul></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-         Properly handle pages with no contents.
-       </p></li></ul></div></dd><dt><span class="term">8.0.1: March 4, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Disregard data check errors when uncompressing
-        <code class="option">/FlateDecode</code> streams. This is consistent with
-        most other PDF readers and allows qpdf to recover data from
-        another class of malformed PDF files.
-       </p></li><li class="listitem"><p>
-        On the command line when specifying page ranges, support
-        preceding a page number by “r” to indicate that it
-        should be counted from the end. For example, the range
-        <code class="literal">r3-r1</code> would indicate the last three pages
-        of a document.
-       </p></li></ul></div></dd><dt><span class="term">8.0.0: February 25, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Packaging and Distribution Changes
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          QPDF is now distributed as an <a class="ulink" href="https://appimage.org/" target="_top">AppImage</a> in addition to
-          all the other ways it is distributed. The AppImage can be
-          found in the download area with the other packages. Thanks
-          to Kurt Pfeifle and Simon Peter for their contributions.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Bug Fixes
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          <code class="function">QPDFObjectHandle::getUTF8Val</code> now
-          properly treats non-Unicode strings as encoded with PDF Doc
-          Encoding.
-         </p></li><li class="listitem"><p>
-          Improvements to handling of objects in PDF files that are
-          not of the expected type. In most cases, qpdf will be able
-          to warn for such cases rather than fail with an exception.
-          Previous versions of qpdf would sometimes fail with errors
-          such as “operation for dictionary object attempted on
-          object of wrong type”. This situation should be mostly
-          or entirely eliminated now.
-         </p></li></ul></div></li><li class="listitem"><p>
-        Enhancements to the <span class="command"><strong>qpdf</strong></span> Command-line Tool.
-        All new options listed here are documented in more detail in
-        <a class="xref" href="#ref.using" title="Chapter 3. Running QPDF">Chapter 3, <em>Running QPDF</em></a>.
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          The option
-          <code class="option">--linearize-pass1=<em class="replaceable"><code>file</code></em></code>
-          has been added for debugging qpdf's linearization code.
-         </p></li><li class="listitem"><p>
-          The option <code class="option">--coalesce-contents</code> can be used
-          to combine content streams of a page whose contents are an
-          array of streams into a single stream.
-         </p></li></ul></div></li><li class="listitem"><p>
-        API Enhancements. All new API calls are documented in their
-        respective classes' header files. There are no non-compatible
-        changes to the API.
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Add function <code class="function">qpdf_check_pdf</code> to the C API.
-          This function does basic checking that is a subset of what
-          <span class="command"><strong>qpdf --check</strong></span> performs.
-         </p></li><li class="listitem"><p>
-          Major enhancements to the lexical layer of qpdf. For a
-          complete list of enhancements, please refer to the
-          <code class="filename">ChangeLog</code> file. Most of the changes
-          result in improvements to qpdf's ability handle erroneous
-          files. It is also possible for programs to handle
-          whitespace, comments, and inline images as tokens.
-         </p></li><li class="listitem"><p>
-          New API for working with PDF content streams at a lexical
-          level. The new class
-          <code class="classname">QPDFObjectHandle::TokenFilter</code> allows
-          the developer to provide token handlers. Token filters can be
-          used with several different methods in
-          <code class="classname">QPDFObjectHandle</code> as well as with a
-          lower-level interface. See comments in
-          <code class="filename">QPDFObjectHandle.hh</code> as well as the new
-          examples <code class="filename">examples/pdf-filter-tokens.cc</code>
-          and <code class="filename">examples/pdf-count-strings.cc</code> for
-          details.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">7.1.1: February 4, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Bug fix: files whose /ID fields were other than 16 bytes long
-        can now be properly linearized
-       </p></li><li class="listitem"><p>
-        A few compile and link issues have been corrected for some
-        platforms.
-       </p></li></ul></div></dd><dt><span class="term">7.1.0: January 14, 2018</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        PDF files contain streams that may be compressed with various
-        compression algorithms which, in some cases, may be enhanced
-        by various predictor functions. Previously only the PNG up
-        predictor was supported. In this version, all the PNG
-        predictors as well as the TIFF predictor are supported. This
-        increases the range of files that qpdf is able to handle.
-       </p></li><li class="listitem"><p>
-        QPDF now allows a raw encryption key to be specified in place
-        of a password when opening encrypted files, and will
-        optionally display the encryption key used by a file. This is
-        a non-standard operation, but it can be useful in certain
-        situations. Please see the discussion of
-        <code class="option">--password-is-hex-key</code> in <a class="xref" href="#ref.basic-options" title="3.3. Basic Options">Section 3.3, “Basic Options”</a> or the comments around
-        <code class="function">QPDF::setPasswordIsHexKey</code> in
-        <code class="filename">QPDF.hh</code> for additional details.
-       </p></li><li class="listitem"><p>
-        Bug fix: numbers ending with a trailing decimal point are now
-        properly recognized as numbers.
-       </p></li><li class="listitem"><p>
-        Bug fix: when building qpdf from source on some platforms
-        (especially MacOS), the build could get confused by older
-        versions of qpdf installed on the system. This has been
-        corrected.
-       </p></li></ul></div></dd><dt><span class="term">7.0.0: September 15, 2017</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Packaging and Distribution Changes
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          QPDF's primary license is now <a class="ulink" href="http://www.apache.org/licenses/LICENSE-2.0" target="_top">version 2.0
-          of the Apache License</a> rather than version 2.0 of the
-          Artistic License. You may still, at your option, consider
-          qpdf to be licensed with version 2.0 of the Artistic
-          license.
-         </p></li><li class="listitem"><p>
-          QPDF no longer has a dependency on the PCRE (Perl-Compatible
-          Regular Expression) library. QPDF now has an added
-          dependency on the JPEG library.
-         </p></li></ul></div></li></ul></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Bug Fixes
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          This release contains many bug fixes for various infinite
-          loops, memory leaks, and other memory errors that could be
-          encountered with specially crafted or otherwise erroneous
-          PDF files.
-         </p></li></ul></div></li></ul></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        New Features
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          QPDF now supports reading and writing streams encoded with
-          JPEG or RunLength encoding. Library API enhancements and
-          command-line options have been added to control this
-          behavior. See command-line options
-          <code class="option">--compress-streams</code> and
-          <code class="option">--decode-level</code> and methods
-          <code class="function">QPDFWriter::setCompressStreams</code> and
-          <code class="function">QPDFWriter::setDecodeLevel</code>.
-         </p></li><li class="listitem"><p>
-          QPDF is much better at recovering from broken files. In most
-          cases, qpdf will skip invalid objects and will preserve
-          broken stream data by not attempting to filter broken
-          streams. QPDF is now able to recover or at least not crash
-          on dozens of broken test files I have received over the past
-          few years.
-         </p></li><li class="listitem"><p>
-          Page rotation is now supported and accessible from both the
-          library and the command line.
-         </p></li><li class="listitem"><p>
-          <code class="classname">QPDFWriter</code> supports writing files in
-          a way that preserves PCLm compliance in support of
-          driverless printing. This is very specialized and is only
-          useful to applications that already know how to create PCLm
-          files.
-         </p></li></ul></div></li></ul></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Enhancements to the <span class="command"><strong>qpdf</strong></span> Command-line Tool.
-        All new options listed here are documented in more detail in
-        <a class="xref" href="#ref.using" title="Chapter 3. Running QPDF">Chapter 3, <em>Running QPDF</em></a>.
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          Command-line arguments can now be read from files or
-          standard input using <code class="literal">@file</code> or
-          <code class="literal">@-</code> syntax. Please see <a class="xref" href="#ref.invocation" title="3.1. Basic Invocation">Section 3.1, “Basic Invocation”</a>.
-         </p></li><li class="listitem"><p>
-          <code class="option">--rotate</code>: request page rotation
-         </p></li><li class="listitem"><p>
-          <code class="option">--newline-before-endstream</code>: ensure that a
-          newline appears before every <code class="literal">endstream</code>
-          keyword in the file; used to prevent qpdf from breaking
-          PDF/A compliance on already compliant files.
-         </p></li><li class="listitem"><p>
-          <code class="option">--preserve-unreferenced</code>: preserve
-          unreferenced objects in the input PDF
-         </p></li><li class="listitem"><p>
-	  <code class="option">--split-pages</code>: break output into chunks
-          with fixed numbers of pages
-         </p></li><li class="listitem"><p>
-	  <code class="option">--verbose</code>: print the name of each output
-          file that is created
-         </p></li><li class="listitem"><p>
-          <code class="option">--compress-streams</code> and
-          <code class="option">--decode-level</code> replace
-          <code class="option">--stream-data</code> for improving granularity of
-          controlling compression and decompression of stream data.
-          The <code class="option">--stream-data</code> option will remain
-          available.
-         </p></li><li class="listitem"><p>
-          When running <span class="command"><strong>qpdf --check</strong></span> with other
-          options, checks are always run first. This enables qpdf to
-          perform its full recovery logic before outputting other
-          information. This can be especially useful when manually
-          recovering broken files, looking at qpdf's regenerated cross
-          reference table, or other similar operations.
-         </p></li><li class="listitem"><p>
-          Process <span class="command"><strong>--pages</strong></span> earlier so that other
-          options like <code class="option">--show-pages</code> or
-          <code class="option">--split-pages</code> can operate on the file after
-          page splitting/merging has occurred.
-         </p></li></ul></div></li></ul></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        API Changes. All new API calls are documented in their
-        respective classes' header files.
-       </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-          <code class="function">QPDFObjectHandle::rotatePage</code>: apply
-          rotation to a page object
-         </p></li><li class="listitem"><p>
-          <code class="function">QPDFWriter::setNewlineBeforeEndstream</code>:
-          force newline to appear before <code class="literal">endstream</code>
-         </p></li><li class="listitem"><p>
-          <code class="function">QPDFWriter::setPreserveUnreferencedObjects</code>:
-          preserve unreferenced objects that appear in the input PDF.
-          The default behavior is to discard them.
-         </p></li><li class="listitem"><p>
-          New <code class="classname">Pipeline</code> types
-          <code class="classname">Pl_RunLength</code> and
-          <code class="classname">Pl_DCT</code> are available for developers
-          who wish to produce or consume RunLength or DCT stream data
-          directly. The <code class="filename">examples/pdf-create.cc</code>
-          example illustrates their use.
-         </p></li><li class="listitem"><p>
-	  <code class="function">QPDFWriter::setCompressStreams</code> and
-	  <code class="function">QPDFWriter::setDecodeLevel</code> methods
-	  control handling of different types of stream compression.
-         </p></li><li class="listitem"><p>
-	  Add new C API functions
-	  <code class="function">qpdf_set_compress_streams</code>,
-	  <code class="function">qpdf_set_decode_level</code>,
-	  <code class="function">qpdf_set_preserve_unreferenced_objects</code>,
-	  and <code class="function">qpdf_set_newline_before_endstream</code>
-	  corresponding to the new <code class="classname">QPDFWriter</code>
-	  methods.
-         </p></li></ul></div></li></ul></div></dd><dt><span class="term">6.0.0: November 10, 2015</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Implement <code class="option">--deterministic-id</code> command-line
-        option and <code class="function">QPDFWriter::setDeterministicID</code>
-        as well as C API function
-        <code class="function">qpdf_set_deterministic_ID</code> for generating
-        a deterministic ID for non-encrypted files. When this option
-        is selected, the ID of the file depends on the contents of the
-        output file, and not on transient items such as the timestamp
-        or output file name.
-       </p></li><li class="listitem"><p>
-        Make qpdf more tolerant of files whose xref table entries are
-        not the correct length.
-       </p></li></ul></div></dd><dt><span class="term">5.1.3: May 24, 2015</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Bug fix: fix-qdf was not properly handling files that
-        contained object streams with more than 255 objects in them.
-       </p></li><li class="listitem"><p>
-        Bug fix: qpdf was not properly initializing Microsoft's secure
-        crypto provider on fresh Windows installations that had not
-        had any keys created yet.
-       </p></li><li class="listitem"><p>
-        Fix a few errors found by Gynvael Coldwind and
-	Mateusz Jurczyk of the Google Security Team. Please see the
-        ChangeLog for details.
-       </p></li><li class="listitem"><p>
-        Properly handle pages that have no contents at all. There were
-        many cases in which qpdf handled this fine, but a few methods
-        blindly obtained page contents with handling the possibility
-        that there were no contents.
-       </p></li><li class="listitem"><p>
-        Make qpdf more robust for a few more kinds of problems that
-        may occur in invalid PDF files.
-       </p></li></ul></div></dd><dt><span class="term">5.1.2: June 7, 2014</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Bug fix: linearizing files could create a corrupted output
-        file under extremely unlikely file size circumstances. See
-        ChangeLog for details. The odds of getting hit by this are
-        very low, though one person did.
-       </p></li><li class="listitem"><p>
-        Bug fix: qpdf would fail to write files that had streams with
-        decode parameters referencing other streams.
-       </p></li><li class="listitem"><p>
-        New example program: <span class="command"><strong>pdf-split-pages</strong></span>:
-        efficiently split PDF files into individual pages. The example
-        program does this more efficiently than using <span class="command"><strong>qpdf
-        --pages</strong></span> to do it.
-       </p></li><li class="listitem"><p>
-        Packaging fix: Visual C++ binaries did not support Windows XP.
-        This has been rectified by updating the compilers used to
-        generate the release binaries.
-       </p></li></ul></div></dd><dt><span class="term">5.1.1: January 14, 2014</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Performance fix: copying foreign objects could be very slow
-        with certain types of files.  This was most likely to be
-        visible during page splitting and was due to traversing the
-        same objects multiple times in some cases.
-       </p></li></ul></div></dd><dt><span class="term">5.1.0: December 17, 2013</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Added runtime option
-        (<code class="function">QUtil::setRandomDataProvider</code>) to supply
-        your own random data provider.  You can use this if you want
-        to avoid using the OS-provided secure random number generation
-        facility or stdlib's less secure version.  See comments in
-        include/qpdf/QUtil.hh for details.
-       </p></li><li class="listitem"><p>
-        Fixed image comparison tests to not create 12-bit-per-pixel
-        images since some versions of tiffcmp have bugs in comparing
-        them in some cases.  This increases the disk space required by
-        the image comparison tests, which are off by default anyway.
-       </p></li><li class="listitem"><p>
-        Introduce a number of small fixes for compilation on the
-        latest clang in MacOS and the latest Visual C++ in Windows.
-       </p></li><li class="listitem"><p>
-        Be able to handle broken files that end the xref table header
-        with a space instead of a newline.
-       </p></li></ul></div></dd><dt><span class="term">5.0.1: October 18, 2013</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Thanks to a detailed review by Florian Weimer and the Red Hat
-        Product Security Team, this release includes a number of
-        non-user-visible security hardening changes.  Please see the
-        ChangeLog file in the source distribution for the complete
-        list.
-       </p></li><li class="listitem"><p>
-        When available, operating system-specific secure random number
-        generation is used for generating initialization vectors and
-        other random values used during encryption or file creation.
-        For the Windows build, this results in an added dependency on
-        Microsoft's cryptography API.  To disable the OS-specific
-        cryptography and use the old version, pass the
-        <code class="option">--enable-insecure-random</code> option to
-        <span class="command"><strong>./configure</strong></span>.
-       </p></li><li class="listitem"><p>
-        The <span class="command"><strong>qpdf</strong></span> command-line tool now issues a
-        warning when <code class="option">-accessibility=n</code> is specified
-        for newer encryption versions stating that the option is
-        ignored.  qpdf, per the spec, has always ignored this flag,
-        but it previously did so silently.  This warning is issued
-        only by the command-line tool, not by the library.  The
-        library's handling of this flag is unchanged.
-       </p></li></ul></div></dd><dt><span class="term">5.0.0: July 10, 2013</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Bug fix: previous versions of qpdf would lose objects with
-        generation != 0 when generating object streams.  Fixing this
-        required changes to the public API.
-       </p></li><li class="listitem"><p>
-        Removed methods from public API that were only supposed to be
-        called by QPDFWriter and couldn't realistically be called
-        anywhere else.  See ChangeLog for details.
-       </p></li><li class="listitem"><p>
-        New <span class="type">QPDFObjGen</span> class added to represent an object
-        ID/generation pair.
-        <code class="function">QPDFObjectHandle::getObjGen()</code> is now
-        preferred over
-        <code class="function">QPDFObjectHandle::getObjectID()</code> and
-        <code class="function">QPDFObjectHandle::getGeneration()</code> as it
-        makes it less likely for people to accidentally write code
-        that ignores the generation number.  See
-        <code class="filename">QPDF.hh</code> and
-        <code class="filename">QPDFObjectHandle.hh</code> for additional notes.
-       </p></li><li class="listitem"><p>
-        Add <code class="option">--show-npages</code> command-line option to the
-        <span class="command"><strong>qpdf</strong></span> command to show the number of pages in
-        a file.
-       </p></li><li class="listitem"><p>
-        Allow omission of the page range within
-        <code class="option">--pages</code> for the <span class="command"><strong>qpdf</strong></span>
-        command.  When omitted, the page range is implicitly taken to
-        be all the pages in the file.
-       </p></li><li class="listitem"><p>
-        Various enhancements were made to support different types of
-        broken files or broken readers.  Details can be found in
-        <code class="filename">ChangeLog</code>.
-       </p></li></ul></div></dd><dt><span class="term">4.1.0: April 14, 2013</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Note to people including qpdf in distributions: the
-        <code class="filename">.la</code> files generated by libtool are now
-        installed by qpdf's <span class="command"><strong>make install</strong></span> target.
-        Before, they were not installed.  This means that if your
-        distribution does not want to include <code class="filename">.la</code>
-        files, you must remove them as part of your packaging process.
-       </p></li><li class="listitem"><p>
-        Major enhancement: API enhancements have been made to support
-        parsing of content streams.  This enhancement includes the
-        following changes:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-           <code class="function">QPDFObjectHandle::parseContentStream</code>
-           method parses objects in a content stream and calls
-           handlers in a callback class.  The example
-           <code class="filename">examples/pdf-parse-content.cc</code>
-           illustrates how this may be used.
-          </p></li><li class="listitem"><p>
-           <span class="type">QPDFObjectHandle</span> can now represent operators
-           and inline images, object types that may only appear in
-           content streams.
-          </p></li><li class="listitem"><p>
-           Method <code class="function">QPDFObjectHandle::getTypeCode()</code>
-           returns an enumerated type value representing the
-           underlying object type.  Method
-           <code class="function">QPDFObjectHandle::getTypeName()</code>
-           returns a text string describing the name of the type of a
-           <span class="type">QPDFObjectHandle</span> object.  These methods can be
-           used for more efficient parsing and debugging/diagnostic
-           messages.
-          </p></li></ul></div><p>
-       </p></li><li class="listitem"><p>
-        <span class="command"><strong>qpdf --check</strong></span> now parses all pages' content
-        streams in addition to doing other checks.  While there are
-        still many types of errors that cannot be detected, syntactic
-        errors in content streams will now be reported.
-       </p></li><li class="listitem"><p>
-        Minor compilation enhancements have been made to facilitate
-        easier for support for a broader range of compilers and
-        compiler versions.
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-           Warning flags have been moved into a separate variable in
-           <code class="filename">autoconf.mk</code>
-          </p></li><li class="listitem"><p>
-           The configure flag <code class="option">--enable-werror</code> work
-           for Microsoft compilers
-          </p></li><li class="listitem"><p>
-           All MSVC CRT security warnings have been resolved.
-          </p></li><li class="listitem"><p>
-           All C-style casts in C++ Code have been replaced by C++
-           casts, and many casts that had been included to suppress
-           higher warning levels for some compilers have been removed,
-           primarily for clarity.  Places where integer type coercion
-           occurs have been scrutinized.  A new casting policy has
-           been documented in the manual.  This is of concern mainly
-           to people porting qpdf to new platforms or compilers.  It
-           is not visible to programmers writing code that uses the
-           library
-          </p></li><li class="listitem"><p>
-           Some internal limits have been removed in code that
-           converts numbers to strings.  This is largely invisible to
-           users, but it does trigger a bug in some older versions of
-           mingw-w64's C++ library.  See
-           <code class="filename">README-windows.md</code> in the source
-           distribution if you think this may affect you.  The copy of
-           the DLL distributed with qpdf's binary distribution is not
-           affected by this problem.
-          </p></li></ul></div><p>
-       </p></li><li class="listitem"><p>
-        The RPM spec file previously included with qpdf has been
-        removed.  This is because virtually all Linux distributions
-        include qpdf now that it is a dependency of CUPS filters.
-       </p></li><li class="listitem"><p>
-        A few bug fixes are included:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-           Overridden compressed objects are properly handled.
-           Before, there were certain constructs that could cause qpdf
-           to see old versions of some objects.  The most usual
-           manifestation of this was loss of filled in form values for
-           certain files.
-          </p></li><li class="listitem"><p>
-           Installation no longer uses GNU/Linux-specific versions of
-           some commands, so <span class="command"><strong>make install</strong></span> works on
-           Solaris with native tools.
-          </p></li><li class="listitem"><p>
-           The 64-bit mingw Windows binary package no longer includes
-           a 32-bit DLL.
-          </p></li></ul></div><p>
-       </p></li></ul></div></dd><dt><span class="term">4.0.1: January 17, 2013</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Fix detection of binary attachments in test suite to avoid
-        false test failures on some platforms.
-       </p></li><li class="listitem"><p>
-        Add clarifying comment in <code class="filename">QPDF.hh</code> to
-        methods that return the user password explaining that it is no
-        longer possible with newer encryption formats to recover the
-        user password knowing the owner password.  In earlier
-        encryption formats, the user password was encrypted in the
-        file using the owner password.  In newer encryption formats, a
-        separate encryption key is used on the file, and that key is
-        independently encrypted using both the user password and the
-        owner password.
-       </p></li></ul></div></dd><dt><span class="term">4.0.0: December 31, 2012</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Major enhancement: support has been added for newer encryption
-        schemes supported by version X of Adobe Acrobat.  This
-        includes use of 127-character passwords, 256-bit encryption
-        keys, and the encryption scheme specified in ISO 32000-2, the
-        PDF 2.0 specification.  This scheme can be chosen from the
-        command line by specifying use of 256-bit keys.  qpdf also
-        supports the deprecated encryption method used by Acrobat IX.
-        This encryption style has known security weaknesses and should
-        not be used in practice.  However, such files exist “in
-        the wild,” so support for this scheme is still useful.
-        New methods
-        <code class="function">QPDFWriter::setR6EncryptionParameters</code>
-        (for the PDF 2.0 scheme) and
-        <code class="function">QPDFWriter::setR5EncryptionParameters</code>
-        (for the deprecated scheme) have been added to enable these
-        new encryption schemes.  Corresponding functions have been
-        added to the C API as well.
-       </p></li><li class="listitem"><p>
-        Full support for Adobe extension levels in PDF version
-        information.  Starting with PDF version 1.7, corresponding to
-        ISO 32000, Adobe adds new functionality by increasing the
-        extension level rather than increasing the version.  This
-        support includes addition of the
-        <code class="function">QPDF::getExtensionLevel</code> method for
-        retrieving the document's extension level, addition of
-        versions of
-        <code class="function">QPDFWriter::setMinimumPDFVersion</code> and
-        <code class="function">QPDFWriter::forcePDFVersion</code> that accept
-        an extension level, and extended syntax for specifying forced
-        and minimum versions on the command line as described in <a class="xref" href="#ref.advanced-transformation" title="3.8. Advanced Transformation Options">Section 3.8, “Advanced Transformation Options”</a>.  Corresponding
-        functions have been added to the C API as well.
-       </p></li><li class="listitem"><p>
-        Minor fixes to prevent qpdf from referencing objects in the
-        file that are not referenced in the file's overall structure.
-        Most files don't have any such objects, but some files have
-        contain unreferenced objects with errors, so these fixes
-        prevent qpdf from needlessly rejecting or complaining about
-        such objects.
-       </p></li><li class="listitem"><p>
-        Add new generalized methods for reading and writing files
-        from/to programmer-defined sources.  The method
-        <code class="function">QPDF::processInputSource</code> allows the
-        programmer to use any input source for the input file, and
-        <code class="function">QPDFWriter::setOutputPipeline</code> allows the
-        programmer to write the output file through any pipeline.
-        These methods would make it possible to perform any number of
-        specialized operations, such as accessing external storage
-        systems, creating bindings for qpdf in other programming
-        languages that have their own I/O systems, etc.
-       </p></li><li class="listitem"><p>
-        Add new method <code class="function">QPDF::getEncryptionKey</code> for
-        retrieving the underlying encryption key used in the file.
-       </p></li><li class="listitem"><p>
-        This release includes a small handful of non-compatible API
-        changes.  While effort is made to avoid such changes, all the
-        non-compatible API changes in this version were to parts of
-        the API that would likely never be used outside the library
-        itself.  In all cases, the altered methods or structures were
-        parts of the <code class="classname">QPDF</code> that were public to
-        enable them to be called from either
-        <code class="classname">QPDFWriter</code> or were part of validation
-        code that was over-zealous in reporting problems in parts of
-        the file that would not ordinarily be referenced.  In no case
-        did any of the removed methods do anything worse that falsely
-        report error conditions in files that were broken in ways that
-        didn't matter.  The following public parts of the
-        <code class="classname">QPDF</code> class were changed in a
-        non-compatible way:
-        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"><p>
-           Updated nested <code class="classname">QPDF::EncryptionData</code>
-           class to add fields needed by the newer encryption formats,
-           member variables changed to private so that future changes
-           will not require breaking backward compatibility.
-          </p></li><li class="listitem"><p>
-           Added additional parameters to
-           <code class="function">compute_data_key</code>, which is used by
-           <code class="classname">QPDFWriter</code> to compute the encryption
-           key used to encrypt a specific object.
-          </p></li><li class="listitem"><p>
-           Removed the method
-           <code class="function">flattenScalarReferences</code>.  This method
-           was previously used prior to writing a new PDF file, but it
-           has the undesired side effect of causing qpdf to read
-           objects in the file that were not referenced.  Some
-           otherwise files have unreferenced objects with errors in
-           them, so this could cause qpdf to reject files that would
-           be accepted by virtually all other PDF readers.  In fact,
-           qpdf relied on only a very small part of what
-           flattenScalarReferences did, so only this part has been
-           preserved, and it is now done directly inside
-           <code class="classname">QPDFWriter</code>.
-          </p></li><li class="listitem"><p>
-           Removed the method <code class="function">decodeStreams</code>.
-           This method was used by the <code class="option">--check</code> option
-           of the <span class="command"><strong>qpdf</strong></span> command-line tool to force
-           all streams in the file to be decoded, but it also suffered
-           from the problem of opening otherwise unreferenced streams
-           and thus could report false positive.  The
-           <code class="option">--check</code> option now causes qpdf to go
-           through all the motions of writing a new file based on the
-           original one, so it will always reference and check exactly
-           those parts of a file that any ordinary viewer would check.
-          </p></li><li class="listitem"><p>
-           Removed the method
-           <code class="function">trimTrailerForWrite</code>.  This method was
-           used by <code class="classname">QPDFWriter</code> to modify the
-           original QPDF object by removing fields from the trailer
-           dictionary that wouldn't apply to the newly written file.
-           This functionality, though generally harmless, was a poor
-           implementation and has been replaced by having QPDFWriter
-           filter these out when copying the trailer rather than
-           modifying the original QPDF object.  (Note that qpdf never
-           modifies the original file itself.)
-          </p></li></ul></div><p>
-       </p></li><li class="listitem"><p>
-        Allow the PDF header to appear anywhere in the first 1024
-        bytes of the file.  This is consistent with what other readers
-        do.
-       </p></li><li class="listitem"><p>
-        Fix the <span class="command"><strong>pkg-config</strong></span> files to list zlib and
-        pcre in <code class="function">Requires.private</code> to better
-        support static linking using <span class="command"><strong>pkg-config</strong></span>.
-       </p></li></ul></div></dd><dt><span class="term">3.0.2: September 6, 2012</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Bug fix: <code class="function">QPDFWriter::setOutputMemory</code> did
-        not work when not used with
-        <code class="function">QPDFWriter::setStaticID</code>, which made it
-        pretty much useless.  This has been fixed.
-       </p></li><li class="listitem"><p>
-        New API call
-        <code class="function">QPDFWriter::setExtraHeaderText</code> inserts
-        additional text near the header of the PDF file.  The intended
-        use case is to insert comments that may be consumed by a
-        downstream application, though other use cases may exist.
-       </p></li></ul></div></dd><dt><span class="term">3.0.1: August 11, 2012</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Version 3.0.0 included addition of files for
-        <span class="command"><strong>pkg-config</strong></span>, but this was not mentioned in
-        the release notes.  The release notes for 3.0.0 were updated
-        to mention this.
-       </p></li><li class="listitem"><p>
-        Bug fix: if an object stream ended with a scalar object not
-        followed by space, qpdf would incorrectly report that it
-        encountered a premature EOF.  This bug has been in qpdf since
-        version 2.0.
-       </p></li></ul></div></dd><dt><span class="term">3.0.0: August 2, 2012</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Acknowledgment: I would like to express gratitude for the
-        contributions of Tobias Hoffmann toward the release of qpdf
-        version 3.0.  He is responsible for most of the implementation
-        and design of the new API for manipulating pages, and
-        contributed code and ideas for many of the improvements made
-        in version 3.0.  Without his work, this release would
-        certainly not have happened as soon as it did, if at all.
-       </p></li><li class="listitem"><p>
-        <span class="emphasis"><em>Non-compatible API change:</em></span> The version of
-        <code class="function">QPDFObjectHandle::replaceStreamData</code> that
-        uses a <code class="classname">StreamDataProvider</code> no longer
-        requires (or accepts) a <code class="varname">length</code> parameter.
-        See <a class="xref" href="#ref.upgrading-to-3.0" title="Appendix C. Upgrading to 3.0">Appendix C, <em>Upgrading to 3.0</em></a> for an explanation.
-        While care is taken to avoid non-compatible API changes in
-        general, an exception was made this time because the new
-        interface offers an opportunity to significantly simplify
-        calling code.
-       </p></li><li class="listitem"><p>
-        Support has been added for large files.  The test suite
-        verifies support for files larger than 4 gigabytes, and manual
-        testing has verified support for files larger than 10
-        gigabytes.  Large file support is available for both 32-bit
-        and 64-bit platforms as long as the compiler and underlying
-        platforms support it.
-       </p></li><li class="listitem"><p>
-        Support for page selection (splitting and merging PDF files)
-        has been added to the <span class="command"><strong>qpdf</strong></span> command-line
-        tool.  See <a class="xref" href="#ref.page-selection" title="3.5. Page Selection Options">Section 3.5, “Page Selection Options”</a>.
-       </p></li><li class="listitem"><p>
-        Options have been added to the <span class="command"><strong>qpdf</strong></span>
-        command-line tool for copying encryption parameters from
-        another file.  See <a class="xref" href="#ref.basic-options" title="3.3. Basic Options">Section 3.3, “Basic Options”</a>.
-       </p></li><li class="listitem"><p>
-        New methods have been added to the <code class="classname">QPDF</code>
-        object for adding and removing pages.  See <a class="xref" href="#ref.adding-and-remove-pages" title="7.8. Adding and Removing Pages">Section 7.8, “Adding and Removing Pages”</a>.
-       </p></li><li class="listitem"><p>
-        New methods have been added to the <code class="classname">QPDF</code>
-        object for copying objects from other PDF files.  See <a class="xref" href="#ref.foreign-objects" title="7.10. Copying Objects From Other PDF Files">Section 7.10, “Copying Objects From Other PDF Files”</a>
-       </p></li><li class="listitem"><p>
-        A new method <code class="function">QPDFObjectHandle::parse</code> has
-        been added for constructing
-        <code class="classname">QPDFObjectHandle</code> objects from a string
-        description.
-       </p></li><li class="listitem"><p>
-        Methods have been added to <code class="classname">QPDFWriter</code>
-        to allow writing to an already open stdio <span class="type">FILE*</span>
-        addition to writing to standard output or a named file.
-        Methods have been added to <code class="classname">QPDF</code> to be
-        able to process a file from an already open stdio
-        <span class="type">FILE*</span>.  This makes it possible to read and write
-        PDF from secure temporary files that have been unlinked prior
-        to being fully read or written.
-       </p></li><li class="listitem"><p>
-        The <code class="function">QPDF::emptyPDF</code> can be used to allow
-        creation of PDF files from scratch.  The example
-        <code class="filename">examples/pdf-create.cc</code> illustrates how it
-        can be used.
-       </p></li><li class="listitem"><p>
-        Several methods to take
-        <code class="classname">PointerHolder&lt;Buffer&gt;</code> can now
-        also accept <span class="type">std::string</span> arguments.
-       </p></li><li class="listitem"><p>
-        Many new convenience methods have been added to the library,
-        most in <code class="classname">QPDFObjectHandle</code>.  See
-        <code class="filename">ChangeLog</code> for a full list.
-       </p></li><li class="listitem"><p>
-        When building on a platform that supports ELF shared libraries
-        (such as Linux), symbol versions are enabled by default.  They
-        can be disabled by passing
-        <code class="option">--disable-ld-version-script</code> to
-        <span class="command"><strong>./configure</strong></span>.
-       </p></li><li class="listitem"><p>
-        The file <code class="filename">libqpdf.pc</code> is now installed to
-        support <span class="command"><strong>pkg-config</strong></span>.
-       </p></li><li class="listitem"><p>
-        Image comparison tests are off by default now since they are
-        not needed to verify a correct build or port of qpdf.  They
-        are needed only when changing the actual PDF output generated
-        by qpdf.  You should enable them if you are making deep
-        changes to qpdf itself.  See <code class="filename">README.md</code> for
-        details.
-       </p></li><li class="listitem"><p>
-        Large file tests are off by default but can be turned on with
-        <span class="command"><strong>./configure</strong></span> or by setting an environment
-        variable before running the test suite.  See
-        <code class="filename">README.md</code> for details.
-       </p></li><li class="listitem"><p>
-        When qpdf's test suite fails, failures are not printed to the
-        terminal anymore by default.  Instead, find them in
-        <code class="filename">build/qtest.log</code>.  For packagers who are
-        building with an autobuilder, you can add the
-        <code class="option">--enable-show-failed-test-output</code> option to
-        <span class="command"><strong>./configure</strong></span> to restore the old behavior.
-       </p></li></ul></div></dd><dt><span class="term">2.3.1: December 28, 2011</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Fix thread-safety problem resulting from non-thread-safe use
-        of the PCRE library.
-       </p></li><li class="listitem"><p>
-        Made a few minor documentation fixes.
-       </p></li><li class="listitem"><p>
-        Add workaround for a bug that appears in some versions of
-        ghostscript to the test suite
-       </p></li><li class="listitem"><p>
-        Fix minor build issue for Visual C++ 2010.
-       </p></li></ul></div></dd><dt><span class="term">2.3.0: August 11, 2011</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Bug fix: when preserving existing encryption on encrypted
-        files with cleartext metadata, older qpdf versions would
-        generate password-protected files with no valid password.
-        This operation now works.  This bug only affected files
-        created by copying existing encryption parameters; explicit
-        encryption with specification of cleartext metadata worked
-        before and continues to work.
-       </p></li><li class="listitem"><p>
-        Enhance <code class="classname">QPDFWriter</code> with a new
-        constructor that allows you to delay the specification of the
-        output file.  When using this constructor, you may now call
-        <code class="function">QPDFWriter::setOutputFilename</code> to specify
-        the output file, or you may use
-        <code class="function">QPDFWriter::setOutputMemory</code> to cause
-        <code class="classname">QPDFWriter</code> to write the resulting PDF
-        file to a memory buffer.  You may then use
-        <code class="function">QPDFWriter::getBuffer</code> to retrieve the
-        memory buffer.
-       </p></li><li class="listitem"><p>
-        Add new API call <code class="function">QPDF::replaceObject</code> for
-        replacing objects by object ID
-       </p></li><li class="listitem"><p>
-        Add new API call <code class="function">QPDF::swapObjects</code> for
-        swapping two objects by object ID
-       </p></li><li class="listitem"><p>
-        Add <code class="function">QPDFObjectHandle::getDictAsMap</code> and
-        <code class="function">QPDFObjectHandle::getArrayAsVector</code> to
-        allow retrieval of dictionary objects as maps and array
-        objects as vectors.
-       </p></li><li class="listitem"><p>
-        Add functions <code class="function">qpdf_get_info_key</code> and
-        <code class="function">qpdf_set_info_key</code> to the C API for
-        manipulating string fields of the document's
-        <code class="literal">/Info</code> dictionary.
-       </p></li><li class="listitem"><p>
-        Add functions <code class="function">qpdf_init_write_memory</code>,
-        <code class="function">qpdf_get_buffer_length</code>, and
-        <code class="function">qpdf_get_buffer</code> to the C API for writing
-        PDF files to a memory buffer instead of a file.
-       </p></li></ul></div></dd><dt><span class="term">2.2.4: June 25, 2011</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Fix installation and compilation issues; no functionality
-        changes.
-       </p></li></ul></div></dd><dt><span class="term">2.2.3: April 30, 2011</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Handle some damaged streams with incorrect characters
-        following the stream keyword.
-       </p></li><li class="listitem"><p>
-        Improve handling of inline images when normalizing content
-        streams.
-       </p></li><li class="listitem"><p>
-        Enhance error recovery to properly handle files that use
-        object 0 as a regular object, which is specifically disallowed
-        by the spec.
-       </p></li></ul></div></dd><dt><span class="term">2.2.2: October 4, 2010</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Add new function <code class="function">qpdf_read_memory</code>
-        to the C API to call
-        <code class="function">QPDF::processMemoryFile</code>.  This was an
-        omission in qpdf 2.2.1.
-       </p></li></ul></div></dd><dt><span class="term">2.2.1: October 1, 2010</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Add new method <code class="function">QPDF::setOutputStreams</code>
-        to replace <code class="varname">std::cout</code> and
-        <code class="varname">std::cerr</code> with other streams for generation
-        of diagnostic messages and error messages.  This can be useful
-        for GUIs or other applications that want to capture any output
-        generated by the library to present to the user in some other
-        way.  Note that QPDF does not write to
-        <code class="varname">std::cout</code> (or the specified output stream)
-        except where explicitly mentioned in
-        <code class="filename">QPDF.hh</code>, and that the only use of the
-        error stream is for warnings.  Note also that output of
-        warnings is suppressed when
-        <code class="literal">setSuppressWarnings(true)</code> is called.
-       </p></li><li class="listitem"><p>
-        Add new method <code class="function">QPDF::processMemoryFile</code>
-        for operating on PDF files that are loaded into memory rather
-        than in a file on disk.
-       </p></li><li class="listitem"><p>
-        Give a warning but otherwise ignore empty PDF objects by
-        treating them as null.  Empty object are not permitted by the
-        PDF specification but have been known to appear in some actual
-        PDF files.
-       </p></li><li class="listitem"><p>
-        Handle inline image filter abbreviations when the appear as
-        stream filter abbreviations.  The PDF specification does not
-        allow use of stream filter abbreviations in this way, but
-        Adobe Reader and some other PDF readers accept them since they
-        sometimes appear incorrectly in actual PDF files.
-       </p></li><li class="listitem"><p>
-        Implement miscellaneous enhancements to
-        <code class="classname">PointerHolder</code> and
-        <code class="classname">Buffer</code> to support other changes.
-       </p></li></ul></div></dd><dt><span class="term">2.2.0: August 14, 2010</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Add new methods to <code class="classname">QPDFObjectHandle</code>
-        (<code class="function">newStream</code> and
-        <code class="function">replaceStreamData</code> for creating new
-        streams and replacing stream data.  This makes it possible to
-        perform a wide range of operations that were not previously
-        possible.
-       </p></li><li class="listitem"><p>
-        Add new helper method in
-        <code class="classname">QPDFObjectHandle</code>
-        (<code class="function">addPageContents</code>) for appending or
-        prepending new content streams to a page.  This method makes
-        it possible to manipulate content streams without having to be
-        concerned whether a page's contents are a single stream or an
-        array of streams.
-       </p></li><li class="listitem"><p>
-        Add new method in <code class="classname">QPDFObjectHandle</code>:
-        <code class="function">replaceOrRemoveKey</code>, which replaces a
-        dictionary key
-        with a given value unless the value is null, in which case it
-        removes the key instead.
-       </p></li><li class="listitem"><p>
-        Add new method in <code class="classname">QPDFObjectHandle</code>:
-        <code class="function">getRawStreamData</code>, which returns the raw
-        (unfiltered) stream data into a buffer.  This complements the
-        <code class="function">getStreamData</code> method, which returns the
-        filtered (uncompressed) stream data and can only be used when
-        the stream's data is filterable.
-       </p></li><li class="listitem"><p>
-        Provide two new examples:
-        <span class="command"><strong>pdf-double-page-size</strong></span> and
-        <span class="command"><strong>pdf-invert-images</strong></span> that illustrate the newly
-        added interfaces.
-       </p></li><li class="listitem"><p>
-        Fix a memory leak that would cause loss of a few bytes for
-        every object involved in a cycle of object references.  Thanks
-        to Jian Ma for calling my attention to the leak.
-       </p></li></ul></div></dd><dt><span class="term">2.1.5: April 25, 2010</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Remove restriction of file identifier strings to 16 bytes.
-        This unnecessary restriction was preventing qpdf from being
-        able to encrypt or decrypt files with identifier strings that
-        were not exactly 16 bytes long.  The specification imposes no
-        such restriction.
-       </p></li></ul></div></dd><dt><span class="term">2.1.4: April 18, 2010</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Apply the same padding calculation fix from version 2.1.2 to
-        the main cross reference stream as well.
-       </p></li><li class="listitem"><p>
-        Since <span class="command"><strong>qpdf --check</strong></span> only performs limited
-        checks, clarify the output to make it clear that there still
-        may be errors that qpdf can't check.  This should make it less
-        surprising to people when another PDF reader is unable to read
-        a file that qpdf thinks is okay.
-       </p></li></ul></div></dd><dt><span class="term">2.1.3: March 27, 2010</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Fix bug that could cause a failure when rewriting PDF files
-        that contain object streams with unreferenced objects that in
-        turn reference indirect scalars.
-       </p></li><li class="listitem"><p>
-        Don't complain about (invalid) AES streams that aren't a
-        multiple of 16 bytes.  Instead, pad them before decrypting.
-       </p></li></ul></div></dd><dt><span class="term">2.1.2: January 24, 2010</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Fix bug in padding around first half cross reference stream in
-        linearized files.  The bug could cause an assertion failure
-        when linearizing certain unlucky files.
-       </p></li></ul></div></dd><dt><span class="term">2.1.1: December 14, 2009</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        No changes in functionality; insert missing include in an
-        internal library header file to support gcc 4.4, and update
-        test suite to ignore broken Adobe Reader installations.
-       </p></li></ul></div></dd><dt><span class="term">2.1: October 30, 2009</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        This is the first version of qpdf to include Windows support.
-        On Windows, it is possible to build a DLL. Additionally, a
-        partial C-language API has been introduced, which makes it
-        possible to call qpdf functions from non-C++ environments. I
-        am very grateful to Žarko  Gajic (<a class="ulink" href="http://zarko-gajic.iz.hr/" target="_top">http://zarko-gajic.iz.hr/</a>)
-        for tirelessly testing numerous pre-release versions of this
-        DLL and providing many excellent suggestions on improving the
-        interface.
-       </p><p>
-        For programming to the C interface, please see the header file
-        <code class="filename">qpdf/qpdf-c.h</code> and the example
-        <code class="filename">examples/pdf-linearize.c</code>.
-       </p></li><li class="listitem"><p>
-        Žarko Gajic has written a Delphi wrapper for qpdf, which can
-        be downloaded from qpdf's download side.  Žarko's Delphi
-        wrapper is released with the same licensing terms as qpdf
-        itself and comes with this disclaimer: “Delphi wrapper
-        unit <code class="filename">qpdf.pas</code> created by Žarko Gajic
-        (<a class="ulink" href="http://zarko-gajic.iz.hr/" target="_top">http://zarko-gajic.iz.hr/</a>).
-        Use at your own risk and for whatever purpose you want.  No
-        support is provided.  Sample code is provided.”
-       </p></li><li class="listitem"><p>
-        Support has been added for AES encryption and crypt filters.
-        Although qpdf does not presently support files that use
-        PKI-based encryption, with the addition of AES and crypt
-        filters, qpdf is now be able to open most encrypted files
-        created with newer versions of Acrobat or other PDF creation
-        software.  Note that I have not been able to get very many
-        files encrypted in this way, so it's possible there could
-        still be some cases that qpdf can't handle.  Please report
-        them if you find them.
-       </p></li><li class="listitem"><p>
-        Many error messages have been improved to include more
-        information in hopes of making qpdf a more useful tool for PDF
-        experts to use in manually recovering damaged PDF files.
-       </p></li><li class="listitem"><p>
-        Attempt to avoid compressing metadata streams if possible.
-        This is consistent with other PDF creation applications.
-       </p></li><li class="listitem"><p>
-        Provide new command-line options for AES encrypt, cleartext
-        metadata, and setting the minimum and forced PDF versions of
-        output files.
-       </p></li><li class="listitem"><p>
-        Add additional methods to the <code class="classname">QPDF</code>
-        object for querying the document's permissions.  Although qpdf
-        does not enforce these permissions, it does make them
-        available so that applications that use qpdf can enforce
-        permissions.
-       </p></li><li class="listitem"><p>
-        The <code class="option">--check</code> option to <span class="command"><strong>qpdf</strong></span>
-        has been extended to include some additional information.
-       </p></li><li class="listitem"><p>
-        There have been a handful of non-compatible API changes.  For
-        details, see <a class="xref" href="#ref.upgrading-to-2.1" title="Appendix B. Upgrading from 2.0 to 2.1">Appendix B, <em>Upgrading from 2.0 to 2.1</em></a>.
-       </p></li></ul></div></dd><dt><span class="term">2.0.6: May 3, 2009</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Do not attempt to uncompress streams that have decode
-        parameters we don't recognize.  Earlier versions of qpdf would
-        have rejected files with such streams.
-       </p></li></ul></div></dd><dt><span class="term">2.0.5: March 10, 2009</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Improve error handling in the LZW decoder, and fix a small
-        error introduced in the previous version with regard to
-        handling full tables.  The LZW decoder has been more strongly
-        verified in this release.
-       </p></li></ul></div></dd><dt><span class="term">2.0.4: February 21, 2009</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Include proper support for LZW streams encoded without the
-        “early code change” flag.  Special thanks to Atom
-        Smasher who reported the problem and provided an input file
-        compressed in this way, which I did not previously have.
-       </p></li><li class="listitem"><p>
-        Implement some improvements to file recovery logic.
-       </p></li></ul></div></dd><dt><span class="term">2.0.3: February 15, 2009</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Compile cleanly with gcc 4.4.
-       </p></li><li class="listitem"><p>
-        Handle strings encoded as UTF-16BE properly.
-       </p></li></ul></div></dd><dt><span class="term">2.0.2: June 30, 2008</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        Update test suite to work properly with a
-        non-<span class="command"><strong>bash</strong></span> <code class="filename">/bin/sh</code> and
-        with Perl 5.10.  No changes were made to the actual qpdf
-        source code itself for this release.
-       </p></li></ul></div></dd><dt><span class="term">2.0.1: May 6, 2008</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        No changes in functionality or interface.  This release
-        includes fixes to the source code so that qpdf compiles
-        properly and passes its test suite on a broader range of
-        platforms.  See <code class="filename">ChangeLog</code> in the source
-        distribution for details.
-       </p></li></ul></div></dd><dt><span class="term">2.0: April 29, 2008</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-        First public release.
-       </p></li></ul></div></dd></dl></div></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="ref.upgrading-to-2.1"></a>Appendix B. Upgrading from 2.0 to 2.1</h1></div></div></div><p>
-   Although, as a general rule, we like to avoid introducing
-   source-level incompatibilities in qpdf's interface, there were a
-   few non-compatible changes made in this version.  A considerable
-   amount of source code that uses qpdf will probably compile without
-   any changes, but in some cases, you may have to update your code.
-   The changes are enumerated here.  There are also some new
-   interfaces; for those, please refer to the header files.
-  </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-     QPDF's exception handling mechanism now uses
-     <code class="classname">std::logic_error</code> for internal errors and
-     <code class="classname">std::runtime_error</code> for runtime errors in
-     favor of the now removed <code class="classname">QEXC</code> classes used
-     in previous versions.  The <code class="classname">QEXC</code> exception
-     classes predated the addition of the
-     <code class="filename">&lt;stdexcept&gt;</code> header file to the C++
-     standard library.  Most of the exceptions thrown by the qpdf
-     library itself are still of type <code class="classname">QPDFExc</code>
-     which is now derived from
-     <code class="classname">std::runtime_error</code>.  Programs that caught
-     an instance of <code class="classname">std::exception</code> and
-     displayed it by calling the <code class="function">what()</code> method
-     will not need to be changed.
-    </p></li><li class="listitem"><p>
-     The <code class="classname">QPDFExc</code> class now internally
-     represents various fields of the error condition and provides
-     interfaces for querying them.  Among the fields is a numeric
-     error code that can help applications act differently on (a small
-     number of) different error conditions.  See
-     <code class="filename">QPDFExc.hh</code> for details.
-    </p></li><li class="listitem"><p>
-     Warnings can be retrieved from qpdf as instances of
-     <code class="classname">QPDFExc</code> instead of strings.
-    </p></li><li class="listitem"><p>
-     The nested <code class="classname">QPDF::EncryptionData</code> class's
-     constructor takes an additional argument.  This class is
-     primarily intended to be used by
-     <code class="classname">QPDFWriter</code>.  There's not really anything
-     useful an end-user application could do with it.  It probably
-     shouldn't really be part of the public interface to begin with.
-     Likewise, some of the methods for computing internal encryption
-     dictionary parameters have changed to support
-     <code class="literal">/R=4</code> encryption.
-    </p></li><li class="listitem"><p>
-     The method <code class="function">QPDF::getUserPassword</code> has been
-     removed since it didn't do what people would think it did.  There
-     are now two new methods:
-     <code class="function">QPDF::getPaddedUserPassword</code> and
-     <code class="function">QPDF::getTrimmedUserPassword</code>.  The first one
-     does what the old <code class="function">QPDF::getUserPassword</code>
-     method used to do, which is to return the password with possible
-     binary padding as specified by the PDF specification.  The second
-     one returns a human-readable password string.
-    </p></li><li class="listitem"><p>
-     The enumerated types that used to be nested in
-     <code class="classname">QPDFWriter</code> have moved to top-level
-     enumerated types and are now defined in the file
-     <code class="filename">qpdf/Constants.h</code>.  This enables them to be
-     shared by both the C and C++ interfaces.
-    </p></li></ul></div></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="ref.upgrading-to-3.0"></a>Appendix C. Upgrading to 3.0</h1></div></div></div><p>
-   For the most part, the API for qpdf version 3.0 is backward
-   compatible with versions 2.1 and later.  There are two exceptions:
-   </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
-      The method
-      <code class="function">QPDFObjectHandle::replaceStreamData</code> that
-      uses a <code class="classname">StreamDataProvider</code> to provide the
-      stream data no longer takes a <code class="varname">length</code>
-      parameter.  While it would have been easy enough to keep the
-      parameter for backward compatibility, in this case, the
-      parameter was removed since this provides the user an
-      opportunity to simplify the calling code.  This method was
-      introduced in version 2.2.  At the time, the
-      <code class="varname">length</code> parameter was required in order to
-      ensure that calls to the stream data provider returned the same
-      length for a specific stream every time they were invoked.  In
-      particular, the linearization code depends on this.  Instead,
-      qpdf 3.0 and newer check for that constraint explicitly.  The
-      first time the stream data provider is called for a specific
-      stream, the actual length is saved, and subsequent calls are
-      required to return the same number of bytes.  This means the
-      calling code no longer has to compute the length in advance,
-      which can be a significant simplification.  If your code fails
-      to compile because of the extra argument and you don't want to
-      make other changes to your code, just omit the argument.
-     </p></li><li class="listitem"><p>
-      Many methods take <span class="type">long long</span> instead of other
-      integer types.  Most if not all existing code should compile
-      fine with this change since such parameters had always
-      previously been smaller types.  This change was required to
-      support files larger than two gigabytes in size.
-     </p></li></ul></div><p>
-  </p></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="ref.upgrading-to-4.0"></a>Appendix D. Upgrading to 4.0</h1></div></div></div><p>
-   While version 4.0 includes a few non-compatible API changes, it is
-   very unlikely that anyone's code would have used any of those parts
-   of the API since they generally required information that would
-   only be available inside the library.  In the unlikely event that
-   you should run into trouble, please see the ChangeLog.  See also
-   <a class="xref" href="#ref.release-notes" title="Appendix A. Release Notes">Appendix A, <em>Release Notes</em></a> for a complete list of the
-   non-compatible API changes made in this version.
-  </p></div></div></body></html>
\ No newline at end of file

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- * This work is licensed under the Creative Commons Attribution License.
- * To view a copy of this license, visit
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_service:tar_scm:qpdf-8.4.2.tar.gz/examples/Makefile Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/examples/build.mk Deleted

@@ -1,46 +0,0 @@
-BINS_examples = \
-	pdf-bookmarks \
-	pdf-mod-info \
-	pdf-npages \
-	pdf-double-page-size \
-	pdf-invert-images \
-	pdf-create \
-	pdf-parse-content \
-	pdf-split-pages \
-	pdf-filter-tokens \
-	pdf-count-strings \
-	pdf-set-form-values \
-	pdf-overlay-page
-CBINS_examples = pdf-linearize
-
-TARGETS_examples = $(foreach B,$(BINS_examples) $(CBINS_examples),examples/$(OUTPUT_DIR)/$(call binname,$(B)))
-
-$(TARGETS_examples): $(TARGETS_qpdf)
-
-INCLUDES_examples = include
-
-TC_SRCS_examples = $(wildcard examples/*.cc)
-
-# -----
-
-$(foreach B,$(BINS_examples),$(eval \
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-
-$(foreach B,$(CBINS_examples),$(eval \
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-
-ifeq ($(GENDEPS),1)
--include $(foreach B,$(BINS_examples) $(CBINS_examples),$(call obj_to_dep,$(OBJS_$(B))))
-endif
-
-$(foreach B,$(BINS_examples),$(eval \
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-
-$(foreach B,$(CBINS_examples),$(eval \
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-$(foreach B,$(BINS_examples) $(CBINS_examples),$(eval \
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_service:tar_scm:qpdf-8.4.2.tar.gz/examples/qtest/filter-tokens/a.pdf Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/install-sh Deleted

@@ -1,508 +0,0 @@
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-# install - install a program, script, or datafile
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-# sell copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
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-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
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-
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-
-    # and set any options; do chmod last to preserve setuid bits.
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-    then
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-
-      # The rename failed, perhaps because mv can't rename something else
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-      # support -f.
-      {
-        # Now remove or move aside any old file at destination location.
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-        # reasons.  In this case, the final cleanup might fail but the new
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-        {
-          test ! -f "$dst" ||
-          $doit $rmcmd -f "$dst" 2>/dev/null ||
-          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
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-          } ||
-          { echo "$0: cannot unlink or rename $dst" >&2
-            (exit 1); exit 1
-          }
-        } &&
-
-        # Now rename the file to the real destination.
-        $doit $mvcmd "$dsttmp" "$dst"
-      }
-    fi || exit 1
-
-    trap '' 0
-  fi
-done
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
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-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "; # UTC"
-# End:

_service:tar_scm:qpdf-8.4.2.tar.gz/ispell-words Deleted

@@ -1,2171 +0,0 @@
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-INDOC
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-istext
-istream
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-italicseq
-itemizedlist
-iter
-ith
-iz
-jarr
-JCS
-JDIMENSION
-jdouble
-jerr
-jexp
-Jian
-jint
-jklmnopqrstuvwxyz
-jmap
-jmp
-jmpbuf
-JMSG
-jnull
-jo
-jpeg
-jpeglib
-jpg
-JPOOL
-jq
-JSAMPARRAY
-JSAMPLE
-JSAMPROW
-json
-jstr
-Jurczyk
-keybits
-keylen
-KEYLENGTH
-keyset
-LARGEFILE
-lastnum
-lastreleased
-lastTokenWasBad
-latin
-launchpad
-lbuf
-lc
-ld
-LDFLAGS
-ldquo
-len
-lengthNextN
-lexer
-LF
-lhs
-libclang
-libgcc
-libjpeg
-LibJpeg
-libpcre
-libqpdf
-libs
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-LibTiff
-libtool
-libtool's
-libtoolize
-libtools
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-lindict
-linearization
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-linearized
-linearizing
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-linuxfoundation
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-llvm
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-longjmp
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-lx
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-LZWDecode
-LZWDecoder
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-MacOS
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-macroman
-MacRomanEncoding
-makeArray
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-makeDirectInternal
-Makefile
-makeIndirectObject
-makeInt
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-mdash
-MDd
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-MediaBox
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-Memcheck
-memchr
-memcmp
-memcpy
-memmove
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-mgr
-MILLE
-min
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-MinGW
-MINGW's
-mins
-misc
-MixColumn
-mk
-mkinstalldirs
-mklink
-ModOther
-monoseq
-mr
-MSC
-msg
-msvc
-MSVC's
-msys
-MT
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-Mutator
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-nfirst
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-NOMATCH
-NOMEMORY
-NONINFRINGEMENT
-nonprintable
-noout
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-normalizeName
-normalizer
-NoRotate
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-NoView
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-nQ
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-NTE
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-NUL
-num
-numericValue
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-nw
-nwalsh
-obj
-ObjAccessor
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-OBJDIR
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-ObjectHelper
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-objectWarning
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-odict
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-OffsetInputSource
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-oldpdf
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-opages
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-OptionEntry
-ord
-org
-orig
-orred
-os
-OSS
-ostream
-ostringstream
-ot
-OtherPage
-ou
-OUE
-ous
-outbuf
-outbuffer
-OUTDOC
-outfile
-outfilename
-outlength
-outpdf
-outpdfw
-outprefix
-outputLengthNextN
-ovecsize
-ovector
-pacman
-padLen
-Paeth
-PaethPredictor
-pagefile
-PageLabel
-PageLabels
-pagelabels
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-PageMode
-pageno
-pagenos
-pageobj
-pagepos
-pageposfrom
-PageSpec
-para
-param
-params
-parms
-parsecontent
-parseContentStream
-parseInternal
-parseNumrange
-parseOptions
-parsePageContents
-parsePagesOptions
-ParserCallbacks
-parseRotationParameter
-parseUnderOverlayOptions
-parseVersion
-partialname
-partLen
-pathsep
-patmv
-PatternFinder
-Pavlyuk
-pb
-pbytes
-pc
-PCLm
-pclm
-pcre
-pdf
-PDFâ
-PDFContext
-pdfdoc
-PDFDoc
-PDFDocEncoding
-pdfDumpInfoDict
-PDFs
-pdfs
-pdh
-pdlin
-pe
-performant
-perl
-persistAcrossFinish
-Pfeifle
-ph
-phe
-php
-pikepdf
-pipeContentStreams
-pipeForeignStreamData
-PipelineAccessor
-pipePageContents
-pipeStreamData
-pipeStringAndFinish
-Pkey
-pkg
-PKI
-pl
-placeFormXObject
-plaintext
-plb
-pldh
-pm
-png
-PNGFilter
-pngify
-PointerHolder
-PointerHolder's
-popPipelineStack
-poppler
-popup
-pornin
-pos
-POSIX
-PP
-PPA
-pr
-pragma
-pre
-precheck
-precompiled
-prefilering
-prefiltering
-prepareFileForWrite
-presentCharacter
-presentEOF
-preserveObjectStreams
-prev
-printability
-printf
-processChar
-processFile
-processInputSource
-processMemoryFile
-processRow
-processXRefStream
-procset
-ProcSet
-procsets
-programlisting
-programmatically
-ProgressReporter
-Projet
-prov
-provideRandomData
-provideStreamData
-proxied
-ps
-PSâ
-pseudorandom
-pt
-ptemp
-pthread
-ptr
-pushDiscardFilter
-pushEncryptionFilter
-pushInheritedAttributesToPage
-pushInheritedAttributesToPageInternal
-pushMD
-pushOutlinesToPart
-pushPipeline
-PUTU
-PWD
-pypi
-qarray
-QArray
-qdf
-QDFObject
-QDFWriter
-qdict
-QDict
-QEXC
-ql
-qnumbers
-QNumbers
-qpdf
-qpdf's
-QPDF's
-QPDFAcroFormDocumentHelper
-QPDFAcroFormDocumentHelper's
-QPDFAnnotationObjectHelper
-qpdfbuild
-QPDFCONSTANTS
-QPDFDocumentHelper
-QPDFExc
-QPDFFake
-QPDFFakeName
-QPDFFormFieldObjectHelper
-QPDFMatrix
-QPDFNameTreeObjectHelper
-QPDFNumberTreeObjectHelper
-QPDFObject
-QPDFObjectHandle
-QPDFObjectHandle's
-QPDFObjectHandles
-QPDFObjectHelper
-QPDFObjectTypeAccessor
-QPDFObjGen
-QPDFObjGens
-QPDFOutlineDocumentHelper
-QPDFOutlineObjectHelper
-QPDFPageData
-QPDFPageDocumentHelper
-QPDFPageLabelDocumentHelper
-QPDFPageObjectHelper
-qpdfs
-QPDFSomethingDocumentHelper
-QPDFSomethingObjectHelper
-QPDFStream
-QPDFSystemError
-QPDFTokenizer
-QPDFTYPES
-QPDFVersion
-QPDFWordTokenFinder
-QPDFWriter
-QPDFXRefEntry
-qpf
-qqqcqqq
-qstream
-QStream
-QStreams
-qstrings
-QStrings
-QTC
-qtest
-QTest
-quadding
-QuadPart
-quotedblbase
-quotedblright
-quoteleft
-quoteright
-quotesinglbase
-QUtil
-qutil
-qwert
-rand
-RandomDataProvider
-randoms
-rb
-rbegin
-rc
-rcon
-RDONLY
-rdp
-rdquo
-readArgsFromFile
-readHGeneric
-readHintStream
-readHPageOffset
-readHSharedObject
-readLine
-readLinearizationData
-README
-readObject
-readObjectAtOffset
-readObjectInternal
-readToken
-realmain
-reattached
-recompress
-recompressed
-recompresses
-recompressing
-recompression
-recomputation
-recoverStreamLength
-rect
-refactor
-refcount
-refpage
-refpos
-regexp
-registerForeignStream
-registerProgressReporter
-releaseResolved
-ReleaseResolver
-remotesensing
-removeKey
-removePage
-removereplace
-removeUnreferencedResources
-repl
-replaceDict
-replaceFilterData
-replaceForeignIndirectObjects
-replaceKey
-replaceObject
-replaceOrRemoveKey
-replaceReserved
-replaceStreamData
-reportProgress
-repos
-requiredChoices
-requiredParameter
-resave
-reserveObjects
-resetBits
-resolveLiteral
-resolveNamedDest
-resolveObjectsInStream
-ResolveRecorder
-resync
-retargeted
-retested
-reverseResolved
-rf
-rfont
-rg
-rgb
-rhs
-RI
-rijndael
-rijndaelDecrypt
-rijndaelEncrypt
-rijndaelSetupDecrypt
-rijndaelSetupEncrypt
-rk
-Rkey
-RKLENGTH
-rl
-rm
-RNRT
-rollover
-rotatePage
-rotatex
-RotationSpec
-roundoff
-rr
-RSA
-rspec
-rstream
-RStream
-RunLength
-runlength
-RunLengthDecode
-runtest
-Sahil
-sahilarora
-sAlT
-saphir
-sarray
-SASLprep
-savable
-scanline
-scanlines
-sch
-sdk
-sdp
-se
-SecureRandomDataProvider
-sed
-seekable
-sendNextCode
-sep
-seq
-serif
-setArrayFromVector
-setArrayItem
-setAttemptRecovery
-setbase
-setCheckBoxValue
-setCompressStreams
-setContentNormalization
-setDataKey
-setDecodeLevel
-setDescription
-setDeterministicID
-setDictDescription
-setEncryptionParameters
-setEncryptionParametersInternal
-setExtraHeaderText
-setFieldAttribute
-setFile
-setFilename
-setFromVector
-setIgnoreXRefStreams
-setImmediateCopyFrom
-setItem
-setIV
-setjmp
-setLastObjectDescription
-setLastOffset
-setLinearization
-setLinearizationPass
-setLineBuf
-setMinimumPDFVersion
-setmode
-setNeedAppearances
-setNewlineBeforeEndstream
-setO
-setObjectDescription
-setObjectDescriptionFromInput
-setObjectStreamMode
-setObjGen
-setOutputFile
-setOutputFilename
-setOutputMemory
-setOutputPipeline
-setOutputStreams
-setPasswordIsHexKey
-setPCLm
-setPipeline
-setprecision
-setPreserveEncryption
-setPreserveUnreferencedObjects
-setQDFMode
-setR
-setRadioButtonValue
-setRandomDataProvider
-setStaticAesIV
-setStaticID
-setStreamDataMode
-setStreamDescription
-setStreamPrecheck
-setSuppressOriginalObjectIDs
-setSuppressWarnings
-setTrailer
-setU
-setV
-setvbuf
-sev
-sf
-sha
-shallowCopy
-shallowCopyPage
-showLinearizationData
-showXRefTable
-sizeof
-skipToNextByte
-soe
-softlink
-solidus
-sourceforge
-SourceForge
-sph
-sphlib
-sprintf
-sqlite
-squote
-srand
-srandom
-src
-srdp
-sstream
-stampfile
-stamppdf
-StandardEncoding
-startoffset
-startxref
-stat
-stayOpen
-std
-STDC
-StdCF
-stddef
-stderr
-stdexcept
-stdin
-stdint
-StdioFile
-stdlib
-stdlib's
-stdout
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-StmF
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-strcasecmp
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-StringDecrypter
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-stronghorse
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-strtod
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-strtol
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-struct
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-subdictionary
-SubFilter
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-substr
-substring
-Subtype
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-suppressions
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-swversion
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-sy
-Symlink
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-sysnow
-SYSTEMTIME
-SystemTimeToFileTime
-Syuu
-tarball
-TARNAME
-tbuf
-tc
-Td
-Te
-TerminateParsing
-terminateParsing
-TESTSUITE
-tf
-tff
-TfFinder
-tfh
-tgen
-th
-thax
-thomas
-tiffcmp
-TIFFPredictor
-Tj
-TL
-Tm
-tmatrix
-tmp
-tnum
-Tobias
-tobj
-tobjid
-TODO
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-tok
-TokenFilter
-TokenFilters
-tokenize
-tokenized
-tokenizer
-tokenizing
-tokenTypeName
-toolchain
-toolchains
-toupper
-toUTF
-tp
-transcode
-transcoders
-transcodes
-transcoding
-transformRectangle
-traverseField
-travis
-TrimBox
-trimTrailerForWrite
-tt
-ttype
-TU
-turbo
-Tval
-tx
-txt
-ty
-typename
-typeWarning
-ubuntu
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-udata
-UE
-uHHHH
-uinow
-uint
-uiter
-UL
-ULARGE
-ulink
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-ULONGLONG
-uncompresesd
-uncompress
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-undef
-underlaid
-underlaying
-UnderOverlay
-understandDecodeParams
-unencrypted
-unfilterable
-ungetc
-unicode
-uninstalled
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-unlink
-unlinked
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-unparseBinary
-unparseChild
-unparseObject
-unparseResolved
-unparsing
-unreadCh
-unreferenced
-unresolvable
-unretrieved
-uo
-upages
-upass
-updateAllPagesCache
-updateMap
-updateObjectMaps
-updateObjectMapsInternal
-updatePagesCache
-urandom
-url
-urx
-ury
-usageExit
-UseAes
-UseOutlines
-UserUnit
-useStaticIV
-useZeroIV
-USLetter
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-utf
-Util
-utils
-uuid
-uval
-val
-valgrind
-valstr
-ValueSetter
-var
-variablelist
-varlistentry
-varname
-vc
-vec
-vecs
-VER
-versioned
-viewable
-ViewerPreferences
-Vitaliy
-Vkey
-vlen
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-vp
-vvv
-warnIfPossible
-wb
-wchar
-Wconversion
-wcslen
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-werror
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-WFLAGS
-wfopen
-whoami
-WinAnsi
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-WindowsCryptProvider
-wlen
-wmain
-wmatrix
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-wmodep
-Wold
-wrapInArray
-writeAppearance
-writeBinary
-writeBits
-writeBitsSigned
-writeBuffer
-writeEncryptionDictionary
-writeHeader
-writeHGeneric
-writeHintStream
-writeHPageOffset
-writeHSharedObject
-writeLinearized
-writeNext
-writeObject
-writeObjectStream
-writeObjectStreamOffsets
-writePad
-writeStandard
-writeString
-writeStringNoQDF
-writeStringQDF
-writeToken
-writeTrailer
-writeXRefStream
-writeXRefTable
-Wsign
-www
-WX
-wxWindows
-xA
-xa
-xABUL
-xb
-xbd
-xbebfbc
-xbf
-xc
-xcc
-xcf
-xD
-xd
-xDC
-xe
-xeaa
-xee
-xef
-xefcdab
-xF
-xf
-xFC
-xfcefa
-xfd
-xfde
-xfe
-xff
-xffeff
-xfffa
-xfffe
-xgen
-xhtml
-xml
-XMLLINT
-xmlns
-xobj
-xobject
-XObject
-XObject's
-XObjects
-xor
-xp
-xpacket
-xpdf
-XPOST
-XRef
-xref
-xrefEntry
-xrefFirst
-XRefStm
-xrefStream
-xrefTable
-xscale
-xsl
-XSLTPROC
-XXX
-xy
-yn
-yp
-yscale
-yuiop
-yyyymmdd
-z's
-zalloc
-zarko
-Zarko's
-zcaron
-zdata
-Zeroize
-zeroizing
-zfree
-zlib
-zsh
-zstream
-zzzzz
-zzzzzz

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/Makefile Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/bits.icc Deleted

@@ -1,149 +0,0 @@
-
-#ifndef __BITS_CC__
-#define __BITS_CC__
-
-#include <algorithm>
-#include <stdexcept>
-#include <qpdf/QTC.hh>
-#include <qpdf/Pipeline.hh>
-
-// These functions may be run at places where the function call
-// overhead from test coverage testing would be too high.  Therefore,
-// we make the test coverage cases conditional upon a preprocessor
-// symbol.  BitStream.cc includes this file without defining the
-// symbol, and the specially designed test code that fully exercises
-// this code includes with the symbol defined.
-
-#ifdef BITS_READ
-static unsigned long long
-read_bits(unsigned char const*& p, unsigned int& bit_offset,
-	  unsigned int& bits_available, unsigned int bits_wanted)
-{
-    // View p as a stream of bits:
-
-    // 76543210 76543210 ....
-
-    // bit_offset is the bit number within the first byte that marks
-    // the first bit that we would read.
-
-    if (bits_wanted > bits_available)
-    {
-	throw std::length_error("overflow reading bit stream");
-    }
-    if (bits_wanted > 32)
-    {
-	throw std::out_of_range("read_bits: too many bits requested");
-    }
-
-    unsigned long result = 0;
-#ifdef BITS_TESTING
-    if (bits_wanted == 0)
-    {
-	QTC::TC("libtests", "bits zero bits wanted");
-    }
-#endif
-    while (bits_wanted > 0)
-    {
-	// Grab bits from the first byte clearing anything before
-	// bit_offset.
-	unsigned char byte = *p & ((1 << (bit_offset + 1)) - 1);
-
-	// There are bit_offset + 1 bits available in the first byte.
-	unsigned int to_copy = std::min(bits_wanted, bit_offset + 1);
-	unsigned int leftover = (bit_offset + 1) - to_copy;
-
-#ifdef BITS_TESTING
-	QTC::TC("libtests", "bits bit_offset",
-		((bit_offset == 0) ? 0 :
-		 (bit_offset == 7) ? 1 :
-		 2));
-	QTC::TC("libtests", "bits leftover", (leftover > 0) ? 1 : 0);
-#endif
-
-	// Right shift so that all the bits we want are right justified.
-	byte >>= leftover;
-
-	// Copy the bits into result
-	result <<= to_copy;
-	result |= byte;
-
-	// Update pointers
-	if (leftover)
-	{
-	    bit_offset = leftover - 1;
-	}
-	else
-	{
-	    bit_offset = 7;
-	    ++p;
-	}
-	bits_wanted -= to_copy;
-	bits_available -= to_copy;
-
-#ifdef BITS_TESTING
-	QTC::TC("libtests", "bits iterations",
-		((bits_wanted > 8) ? 0 :
-		 (bits_wanted > 0) ? 1 :
-		 2));
-#endif
-    }
-
-    return result;
-}
-#endif
-
-#ifdef BITS_WRITE
-static void
-write_bits(unsigned char& ch, unsigned int& bit_offset,
-	   unsigned long long val, unsigned int bits, Pipeline* pipeline)
-{
-    if (bits > 32)
-    {
-	throw std::out_of_range("write_bits: too many bits requested");
-    }
-
-    // bit_offset + 1 is the number of bits left in ch
-#ifdef BITS_TESTING
-    if (bits == 0)
-    {
-	QTC::TC("libtests", "bits write zero bits");
-    }
-#endif
-    while (bits > 0)
-    {
-	int bits_to_write = std::min(bits, bit_offset + 1);
-	unsigned char newval =
-	    (val >> (bits - bits_to_write)) & ((1 << bits_to_write) - 1);
-	int bits_left_in_ch = bit_offset + 1 - bits_to_write;
-	newval <<= bits_left_in_ch;
-	ch |= newval;
-	if (bits_left_in_ch == 0)
-	{
-#ifdef BITS_TESTING
-	    QTC::TC("libtests", "bits write pipeline");
-#endif
-	    pipeline->write(&ch, 1);
-	    bit_offset = 7;
-	    ch = 0;
-	}
-	else
-	{
-#ifdef BITS_TESTING
-	    QTC::TC("libtests", "bits write leftover");
-#endif
-	    bit_offset -= bits_to_write;
-	}
-	bits -= bits_to_write;
-#ifdef BITS_TESTING
-	QTC::TC("libtests", "bits write iterations",
-		((bits > 8) ? 0 :
-		 (bits > 0) ? 1 :
-		 2));
-#endif
-    }
-
-}
-#endif
-
-
-#endif // __BITS_CC__

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/build.mk Deleted

@@ -1,103 +0,0 @@
-TARGETS_libqpdf = libqpdf/$(OUTPUT_DIR)/$(call libname,qpdf)
-
-INCLUDES_libqpdf = include libqpdf
-LDFLAGS_libqpdf = -Llibqpdf/$(OUTPUT_DIR)
-LIBS_libqpdf = -lqpdf
-
-SRCS_libqpdf = \
-	libqpdf/BitStream.cc \
-	libqpdf/BitWriter.cc \
-	libqpdf/Buffer.cc \
-	libqpdf/BufferInputSource.cc \
-	libqpdf/ClosedFileInputSource.cc \
-	libqpdf/ContentNormalizer.cc \
-	libqpdf/FileInputSource.cc \
-	libqpdf/InputSource.cc \
-	libqpdf/InsecureRandomDataProvider.cc \
-	libqpdf/JSON.cc \
-	libqpdf/MD5.cc \
-	libqpdf/OffsetInputSource.cc \
-	libqpdf/Pipeline.cc \
-	libqpdf/Pl_AES_PDF.cc \
-	libqpdf/Pl_ASCII85Decoder.cc \
-	libqpdf/Pl_ASCIIHexDecoder.cc \
-	libqpdf/Pl_Buffer.cc \
-	libqpdf/Pl_Concatenate.cc \
-	libqpdf/Pl_Count.cc \
-	libqpdf/Pl_DCT.cc \
-	libqpdf/Pl_Discard.cc \
-	libqpdf/Pl_Flate.cc \
-	libqpdf/Pl_LZWDecoder.cc \
-	libqpdf/Pl_MD5.cc \
-	libqpdf/Pl_PNGFilter.cc \
-	libqpdf/Pl_QPDFTokenizer.cc \
-	libqpdf/Pl_RC4.cc \
-	libqpdf/Pl_RunLength.cc \
-	libqpdf/Pl_SHA2.cc \
-	libqpdf/Pl_StdioFile.cc \
-	libqpdf/Pl_TIFFPredictor.cc \
-	libqpdf/QPDF.cc \
-	libqpdf/QPDFAcroFormDocumentHelper.cc \
-	libqpdf/QPDFAnnotationObjectHelper.cc \
-	libqpdf/QPDFExc.cc \
-	libqpdf/QPDFFormFieldObjectHelper.cc \
-	libqpdf/QPDFMatrix.cc \
-	libqpdf/QPDFNameTreeObjectHelper.cc \
-	libqpdf/QPDFNumberTreeObjectHelper.cc \
-	libqpdf/QPDFObjGen.cc \
-	libqpdf/QPDFObject.cc \
-	libqpdf/QPDFObjectHandle.cc \
-	libqpdf/QPDFOutlineDocumentHelper.cc \
-	libqpdf/QPDFOutlineObjectHelper.cc \
-	libqpdf/QPDFPageDocumentHelper.cc \
-	libqpdf/QPDFPageLabelDocumentHelper.cc \
-	libqpdf/QPDFPageObjectHelper.cc \
-	libqpdf/QPDFSystemError.cc \
-	libqpdf/QPDFTokenizer.cc \
-	libqpdf/QPDFWriter.cc \
-	libqpdf/QPDFXRefEntry.cc \
-	libqpdf/QPDF_Array.cc \
-	libqpdf/QPDF_Bool.cc \
-	libqpdf/QPDF_Dictionary.cc \
-	libqpdf/QPDF_InlineImage.cc \
-	libqpdf/QPDF_Integer.cc \
-	libqpdf/QPDF_Name.cc \
-	libqpdf/QPDF_Null.cc \
-	libqpdf/QPDF_Operator.cc \
-	libqpdf/QPDF_Real.cc \
-	libqpdf/QPDF_Reserved.cc \
-	libqpdf/QPDF_Stream.cc \
-	libqpdf/QPDF_String.cc \
-	libqpdf/QPDF_encryption.cc \
-	libqpdf/QPDF_linearization.cc \
-	libqpdf/QPDF_optimization.cc \
-	libqpdf/QPDF_pages.cc \
-	libqpdf/QTC.cc \
-	libqpdf/QUtil.cc \
-	libqpdf/RC4.cc \
-	libqpdf/SecureRandomDataProvider.cc \
-	libqpdf/qpdf-c.cc \
-	libqpdf/rijndael.cc \
-	libqpdf/sha2.c \
-	libqpdf/sha2big.c
-
-# -----
-
-CCSRCS_libqpdf = $(filter %.cc,$(SRCS_libqpdf))
-CSRCS_libqpdf = $(filter %.c,$(SRCS_libqpdf))
-
-CCOBJS_libqpdf = $(call src_to_lobj,$(CCSRCS_libqpdf))
-COBJS_libqpdf = $(call c_src_to_lobj,$(CSRCS_libqpdf))
-OBJS_libqpdf = $(CCOBJS_libqpdf) $(COBJS_libqpdf)
-
-ifeq ($(GENDEPS),1)
--include $(call lobj_to_dep,$(OBJS_libqpdf))
-endif
-
-$(CCOBJS_libqpdf): libqpdf/$(OUTPUT_DIR)/%.$(LOBJ): libqpdf/%.cc
-	$(call libcompile,$<,$(INCLUDES_libqpdf))
-$(COBJS_libqpdf): libqpdf/$(OUTPUT_DIR)/%.$(LOBJ): libqpdf/%.c
-	$(call c_libcompile,$<,$(INCLUDES_libqpdf))
-
-$(TARGETS_libqpdf): $(OBJS_libqpdf)
-	$(call makelib,$(OBJS_libqpdf),$@,$(LDFLAGS),$(LIBS),$(LT_CURRENT),$(LT_REVISION),$(LT_AGE))

_service:tar_scm:qpdf-8.4.2.tar.gz/libqpdf/qpdf/QPDFMatrix.hh Deleted

@@ -1,53 +0,0 @@
-#ifndef QPDFMATRIX_HH
-#define QPDFMATRIX_HH
-
-#include <qpdf/QPDFObjectHandle.hh>
-#include <qpdf/DLL.h>
-#include <string>
-
-class QPDFMatrix
-{
-  public:
-    QPDF_DLL
-    QPDFMatrix();
-    QPDF_DLL
-    QPDFMatrix(double a, double b, double c,
-               double d, double e, double f);
-    QPDF_DLL
-    QPDFMatrix(QPDFObjectHandle::Matrix const&);
-
-    QPDF_DLL
-    std::string unparse() const;
-
-    QPDF_DLL
-    QPDFObjectHandle::Matrix getAsMatrix() const;
-
-    // This is not part of the public API. Just provide the methods we
-    // need as we need them.
-    QPDF_DLL
-    void concat(QPDFMatrix const& other);
-    QPDF_DLL
-    void scale(double sx, double sy);
-    QPDF_DLL
-    void translate(double tx, double ty);
-    // Any value other than 90, 180, or 270 is ignored
-    QPDF_DLL
-    void rotatex90(int angle);
-
-    QPDF_DLL
-    void transform(double x, double y, double& xp, double& yp);
-
-    QPDF_DLL
-    QPDFObjectHandle::Rectangle transformRectangle(
-        QPDFObjectHandle::Rectangle r);
-
-  private:
-    double a;
-    double b;
-    double c;
-    double d;
-    double e;
-    double f;
-};
-
-#endif // QPDFMATRIX_HH

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/Makefile Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/libtests/build.mk Deleted

@@ -1,50 +0,0 @@
-BINS_libtests = \
-	aes \
-	ascii85 \
-	bits \
-	buffer \
-	closed_file_input_source \
-	concatenate \
-	dct_compress \
-	dct_uncompress \
-	flate \
-	hex \
-	input_source \
-	json \
-	lzw \
-	matrix \
-	md5 \
-	numrange \
-	pointer_holder \
-	predictors \
-	qutil \
-	random \
-	rc4 \
-	runlength \
-	sha2
-
-TARGETS_libtests = $(foreach B,$(BINS_libtests),libtests/$(OUTPUT_DIR)/$(call binname,$(B)))
-
-$(TARGETS_libtests): $(TARGETS_libqpdf)
-
-INCLUDES_libtests = include libqpdf
-
-TC_SRCS_libtests = $(wildcard libqpdf/*.cc) $(wildcard libtests/*.cc) \
-	libqpdf/bits.icc
-
-# -----
-
-$(foreach B,$(BINS_libtests),$(eval \
-  OBJS_$(B) = $(call src_to_obj,libtests/$(B).cc)))
-
-ifeq ($(GENDEPS),1)
--include $(foreach B,$(BINS_libtests),$(call obj_to_dep,$(OBJS_$(B))))
-endif
-
-$(foreach B,$(BINS_libtests),$(eval \
-  $(OBJS_$(B)): libtests/$(OUTPUT_DIR)/%.$(OBJ): libtests/$(B).cc ; \
-	$(call compile,libtests/$(B).cc,$(INCLUDES_libtests))))
-
-$(foreach B,$(BINS_libtests),$(eval \
-  libtests/$(OUTPUT_DIR)/$(call binname,$(B)): $(OBJS_$(B)) ; \
-	$(call makebin,$(OBJS_$(B)),$$@,$(LDFLAGS_libqpdf) $(LDFLAGS),$(LIBS_libqpdf) $(LIBS))))

_service:tar_scm:qpdf-8.4.2.tar.gz/ltmain.sh Deleted

@@ -1,11156 +0,0 @@
-#! /bin/sh
-## DO NOT EDIT - This file generated from ./build-aux/ltmain.in
-##               by inline-source v2014-01-03.01
-
-# libtool (GNU libtool) 2.4.6
-# Provide generalized library-building support services.
-# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
-
-# Copyright (C) 1996-2015 Free Software Foundation, Inc.
-# This is free software; see the source for copying conditions.  There is NO
-# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-# GNU Libtool is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# As a special exception to the GNU General Public License,
-# if you distribute this file as part of a program or library that
-# is built using GNU Libtool, you may include this file under the
-# same distribution terms that you use for the rest of that program.
-#
-# GNU Libtool is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-PROGRAM=libtool
-PACKAGE=libtool
-VERSION="2.4.6 Debian-2.4.6-2"
-package_revision=2.4.6
-
-
-## ------ ##
-## Usage. ##
-## ------ ##
-
-# Run './libtool --help' for help with using this script from the
-# command line.
-
-
-## ------------------------------- ##
-## User overridable command paths. ##
-## ------------------------------- ##
-
-# After configure completes, it has a better idea of some of the
-# shell tools we need than the defaults used by the functions shared
-# with bootstrap, so set those here where they can still be over-
-# ridden by the user, but otherwise take precedence.
-
-: ${AUTOCONF="autoconf"}
-: ${AUTOMAKE="automake"}
-
-
-## -------------------------- ##
-## Source external libraries. ##
-## -------------------------- ##
-
-# Much of our low-level functionality needs to be sourced from external
-# libraries, which are installed to $pkgauxdir.
-
-# Set a version string for this script.
-scriptversion=2015-01-20.17; # UTC
-
-# General shell script boiler plate, and helper functions.
-# Written by Gary V. Vaughan, 2004
-
-# Copyright (C) 2004-2015 Free Software Foundation, Inc.
-# This is free software; see the source for copying conditions.  There is NO
-# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-
-# As a special exception to the GNU General Public License, if you distribute
-# this file as part of a program or library that is built using GNU Libtool,
-# you may include this file under the same distribution terms that you use
-# for the rest of that program.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNES FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-# Please report bugs or propose patches to gary@gnu.org.
-
-
-## ------ ##
-## Usage. ##
-## ------ ##
-
-# Evaluate this file near the top of your script to gain access to
-# the functions and variables defined here:
-#
-#   . `echo "$0" | ${SED-sed} 's|^/*$||'`/build-aux/funclib.sh
-#
-# If you need to override any of the default environment variable
-# settings, do that before evaluating this file.
-
-
-## -------------------- ##
-## Shell normalisation. ##
-## -------------------- ##
-
-# Some shells need a little help to be as Bourne compatible as possible.
-# Before doing anything else, make sure all that help has been provided!
-
-DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac
-fi
-
-# NLS nuisances: We save the old values in case they are required later.
-_G_user_locale=
-_G_safe_locale=
-for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
-do
-  eval "if test set = \"\${$_G_var+set}\"; then
-          save_$_G_var=\$$_G_var
-          $_G_var=C
-	  export $_G_var
-	  _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\"
-	  _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\"
-	fi"
-done
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-# Make sure IFS has a sensible default
-sp=' '
-nl='
-'
-IFS="$sp	$nl"
-
-# There are apparently some retarded systems that use ';' as a PATH separator!
-if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
-fi
-
-
-
-## ------------------------- ##
-## Locate command utilities. ##
-## ------------------------- ##
-
-
-# func_executable_p FILE
-# ----------------------
-# Check that FILE is an executable regular file.
-func_executable_p ()
-{
-    test -f "$1" && test -x "$1"
-}
-
-
-# func_path_progs PROGS_LIST CHECK_FUNC PATH
-# --------------------------------------------
-# Search for either a program that responds to --version with output
-# containing "GNU", or else returned by CHECK_FUNC otherwise, by
-# trying all the directories in PATH with each of the elements of
-# PROGS_LIST.
-#
-# CHECK_FUNC should accept the path to a candidate program, and
-# set $func_check_prog_result if it truncates its output less than
-# $_G_path_prog_max characters.
-func_path_progs ()
-{
-    _G_progs_list=$1
-    _G_check_func=$2
-    _G_PATH=${3-"$PATH"}
-
-    _G_path_prog_max=0
-    _G_path_prog_found=false
-    _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:}
-    for _G_dir in $_G_PATH; do
-      IFS=$_G_save_IFS
-      test -z "$_G_dir" && _G_dir=.
-      for _G_prog_name in $_G_progs_list; do
-        for _exeext in '' .EXE; do
-          _G_path_prog=$_G_dir/$_G_prog_name$_exeext
-          func_executable_p "$_G_path_prog" || continue
-          case `"$_G_path_prog" --version 2>&1` in
-            *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;;
-            *)     $_G_check_func $_G_path_prog
-		   func_path_progs_result=$func_check_prog_result
-		   ;;
-          esac
-          $_G_path_prog_found && break 3
-        done
-      done
-    done
-    IFS=$_G_save_IFS
-    test -z "$func_path_progs_result" && {
-      echo "no acceptable sed could be found in \$PATH" >&2
-      exit 1
-    }
-}
-
-
-# We want to be able to use the functions in this file before configure
-# has figured out where the best binaries are kept, which means we have
-# to search for them ourselves - except when the results are already set
-# where we skip the searches.
-
-# Unless the user overrides by setting SED, search the path for either GNU
-# sed, or the sed that truncates its output the least.
-test -z "$SED" && {
-  _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
-  for _G_i in 1 2 3 4 5 6 7; do
-    _G_sed_script=$_G_sed_script$nl$_G_sed_script
-  done
-  echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed
-  _G_sed_script=
-
-  func_check_prog_sed ()
-  {
-    _G_path_prog=$1
-
-    _G_count=0
-    printf 0123456789 >conftest.in
-    while :
-    do
-      cat conftest.in conftest.in >conftest.tmp
-      mv conftest.tmp conftest.in
-      cp conftest.in conftest.nl
-      echo '' >> conftest.nl
-      "$_G_path_prog" -f conftest.sed <conftest.nl >conftest.out 2>/dev/null || break
-      diff conftest.out conftest.nl >/dev/null 2>&1 || break
-      _G_count=`expr $_G_count + 1`
-      if test "$_G_count" -gt "$_G_path_prog_max"; then
-        # Best one so far, save it but keep looking for a better one
-        func_check_prog_result=$_G_path_prog
-        _G_path_prog_max=$_G_count
-      fi
-      # 10*(2^10) chars as input seems more than enough
-      test 10 -lt "$_G_count" && break
-    done
-    rm -f conftest.in conftest.tmp conftest.nl conftest.out
-  }
-
-  func_path_progs "sed gsed" func_check_prog_sed $PATH:/usr/xpg4/bin
-  rm -f conftest.sed
-  SED=$func_path_progs_result
-}
-
-
-# Unless the user overrides by setting GREP, search the path for either GNU
-# grep, or the grep that truncates its output the least.
-test -z "$GREP" && {
-  func_check_prog_grep ()
-  {
-    _G_path_prog=$1
-
-    _G_count=0
-    _G_path_prog_max=0
-    printf 0123456789 >conftest.in
-    while :
-    do
-      cat conftest.in conftest.in >conftest.tmp
-      mv conftest.tmp conftest.in
-      cp conftest.in conftest.nl
-      echo 'GREP' >> conftest.nl
-      "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' <conftest.nl >conftest.out 2>/dev/null || break
-      diff conftest.out conftest.nl >/dev/null 2>&1 || break
-      _G_count=`expr $_G_count + 1`
-      if test "$_G_count" -gt "$_G_path_prog_max"; then
-        # Best one so far, save it but keep looking for a better one
-        func_check_prog_result=$_G_path_prog
-        _G_path_prog_max=$_G_count
-      fi
-      # 10*(2^10) chars as input seems more than enough
-      test 10 -lt "$_G_count" && break
-    done
-    rm -f conftest.in conftest.tmp conftest.nl conftest.out
-  }
-
-  func_path_progs "grep ggrep" func_check_prog_grep $PATH:/usr/xpg4/bin
-  GREP=$func_path_progs_result
-}
-
-
-## ------------------------------- ##
-## User overridable command paths. ##
-## ------------------------------- ##
-
-# All uppercase variable names are used for environment variables.  These
-# variables can be overridden by the user before calling a script that
-# uses them if a suitable command of that name is not already available
-# in the command search PATH.
-
-: ${CP="cp -f"}
-: ${ECHO="printf %s\n"}
-: ${EGREP="$GREP -E"}
-: ${FGREP="$GREP -F"}
-: ${LN_S="ln -s"}
-: ${MAKE="make"}
-: ${MKDIR="mkdir"}
-: ${MV="mv -f"}
-: ${RM="rm -f"}
-: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
-
-
-## -------------------- ##
-## Useful sed snippets. ##
-## -------------------- ##
-
-sed_dirname='s|/^/*$||'
-sed_basename='s|^.*/||'
-
-# Sed substitution that helps us do robust quoting.  It backslashifies
-# metacharacters that are still active within double-quoted strings.
-sed_quote_subst='s|$`"$\\$|\\\1|g'
-
-# Same as above, but do not quote variable references.
-sed_double_quote_subst='s/$"`\\$/\\\1/g'
-
-# Sed substitution that turns a string into a regex matching for the
-# string literally.
-sed_make_literal_regex='s|.^$\\*\/|\\&|g'
-
-# Sed substitution that converts a w32 file name or path
-# that contains forward slashes, into one that contains
-# (escaped) backslashes.  A very naive implementation.
-sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
-
-# Re-'\' parameter expansions in output of sed_double_quote_subst that
-# were '\'-ed in input to the same.  If an odd number of '\' preceded a
-# '$' in input to sed_double_quote_subst, that '$' was protected from
-# expansion.  Since each input '\' is now two '\'s, look for any number
-# of runs of four '\'s followed by two '\'s and then a '$'.  '\' that '$'.
-_G_bs='\\'
-_G_bs2='\\\\'
-_G_bs4='\\\\\\\\'
-_G_dollar='\$'
-sed_double_backslash="\
-  s/$_G_bs4/&\\
-/g
-  s/^$_G_bs2$_G_dollar/$_G_bs&/
-  s/\$^$_G_bs\$$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g
-  s/\n//g"
-
-
-## ----------------- ##
-## Global variables. ##
-## ----------------- ##
-
-# Except for the global variables explicitly listed below, the following
-# functions in the '^func_' namespace, and the '^require_' namespace
-# variables initialised in the 'Resource management' section, sourcing
-# this file will not pollute your global namespace with anything
-# else. There's no portable way to scope variables in Bourne shell
-# though, so actually running these functions will sometimes place
-# results into a variable named after the function, and often use
-# temporary variables in the '^_G_' namespace. If you are careful to
-# avoid using those namespaces casually in your sourcing script, things
-# should continue to work as you expect. And, of course, you can freely
-# overwrite any of the functions or variables defined here before
-# calling anything to customize them.
-
-EXIT_SUCCESS=0
-EXIT_FAILURE=1
-EXIT_MISMATCH=63  # $? = 63 is used to indicate version mismatch to missing.
-EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
-
-# Allow overriding, eg assuming that you follow the convention of
-# putting '$debug_cmd' at the start of all your functions, you can get
-# bash to show function call trace with:
-#
-#    debug_cmd='eval echo "${FUNCNAME0} $*" >&2' bash your-script-name
-debug_cmd=${debug_cmd-":"}
-exit_cmd=:
-
-# By convention, finish your script with:
-#
-#    exit $exit_status
-#
-# so that you can set exit_status to non-zero if you want to indicate
-# something went wrong during execution without actually bailing out at
-# the point of failure.
-exit_status=$EXIT_SUCCESS
-
-# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
-# is ksh but when the shell is invoked as "sh" and the current value of
-# the _XPG environment variable is not equal to 1 (one), the special
-# positional parameter $0, within a function call, is the name of the
-# function.
-progpath=$0
-
-# The name of this program.
-progname=`$ECHO "$progpath" |$SED "$sed_basename"`
-
-# Make sure we have an absolute progpath for reexecution:
-case $progpath in
-  \\/*|A-Za-z:\\*) ;;
-  *\\/*)
-     progdir=`$ECHO "$progpath" |$SED "$sed_dirname"`
-     progdir=`cd "$progdir" && pwd`
-     progpath=$progdir/$progname
-     ;;
-  *)
-     _G_IFS=$IFS
-     IFS=${PATH_SEPARATOR-:}
-     for progdir in $PATH; do
-       IFS=$_G_IFS
-       test -x "$progdir/$progname" && break
-     done
-     IFS=$_G_IFS
-     test -n "$progdir" || progdir=`pwd`
-     progpath=$progdir/$progname
-     ;;
-esac
-
-
-## ----------------- ##
-## Standard options. ##
-## ----------------- ##
-
-# The following options affect the operation of the functions defined
-# below, and should be set appropriately depending on run-time para-
-# meters passed on the command line.
-
-opt_dry_run=false
-opt_quiet=false
-opt_verbose=false
-
-# Categories 'all' and 'none' are always available.  Append any others
-# you will pass as the first argument to func_warning from your own
-# code.
-warning_categories=
-
-# By default, display warnings according to 'opt_warning_types'.  Set
-# 'warning_func'  to ':' to elide all warnings, or func_fatal_error to
-# treat the next displayed warning as a fatal error.
-warning_func=func_warn_and_continue
-
-# Set to 'all' to display all warnings, 'none' to suppress all
-# warnings, or a space delimited list of some subset of
-# 'warning_categories' to display only the listed warnings.
-opt_warning_types=all
-
-
-## -------------------- ##
-## Resource management. ##
-## -------------------- ##
-
-# This section contains definitions for functions that each ensure a
-# particular resource (a file, or a non-empty configuration variable for
-# example) is available, and if appropriate to extract default values
-# from pertinent package files. Call them using their associated
-# 'require_*' variable to ensure that they are executed, at most, once.
-#
-# It's entirely deliberate that calling these functions can set
-# variables that don't obey the namespace limitations obeyed by the rest
-# of this file, in order that that they be as useful as possible to
-# callers.
-
-
-# require_term_colors
-# -------------------
-# Allow display of bold text on terminals that support it.
-require_term_colors=func_require_term_colors
-func_require_term_colors ()
-{
-    $debug_cmd
-
-    test -t 1 && {
-      # COLORTERM and USE_ANSI_COLORS environment variables take
-      # precedence, because most terminfo databases neglect to describe
-      # whether color sequences are supported.
-      test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"}
-
-      if test 1 = "$USE_ANSI_COLORS"; then
-        # Standard ANSI escape sequences
-        tc_reset='&#x1b;0m'
-        tc_bold='&#x1b;1m';   tc_standout='&#x1b;7m'
-        tc_red='&#x1b;31m';   tc_green='&#x1b;32m'
-        tc_blue='&#x1b;34m';  tc_cyan='&#x1b;36m'
-      else
-        # Otherwise trust the terminfo database after all.
-        test -n "`tput sgr0 2>/dev/null`" && {
-          tc_reset=`tput sgr0`
-          test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold`
-          tc_standout=$tc_bold
-          test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso`
-          test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1`
-          test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2`
-          test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4`
-          test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5`
-        }
-      fi
-    }
-
-    require_term_colors=:
-}
-
-
-## ----------------- ##
-## Function library. ##
-## ----------------- ##
-
-# This section contains a variety of useful functions to call in your
-# scripts. Take note of the portable wrappers for features provided by
-# some modern shells, which will fall back to slower equivalents on
-# less featureful shells.
-
-
-# func_append VAR VALUE
-# ---------------------
-# Append VALUE onto the existing contents of VAR.
-
-  # We should try to minimise forks, especially on Windows where they are
-  # unreasonably slow, so skip the feature probes when bash or zsh are
-  # being used:
-  if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then
-    : ${_G_HAVE_ARITH_OP="yes"}
-    : ${_G_HAVE_XSI_OPS="yes"}
-    # The += operator was introduced in bash 3.1
-    case $BASH_VERSION in
-      12.* | 3.0 | 3.0*) ;;
-      *)
-        : ${_G_HAVE_PLUSEQ_OP="yes"}
-        ;;
-    esac
-  fi
-
-  # _G_HAVE_PLUSEQ_OP
-  # Can be empty, in which case the shell is probed, "yes" if += is
-  # useable or anything else if it does not work.
-  test -z "$_G_HAVE_PLUSEQ_OP" \
-    && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \
-    && _G_HAVE_PLUSEQ_OP=yes
-
-if test yes = "$_G_HAVE_PLUSEQ_OP"
-then
-  # This is an XSI compatible shell, allowing a faster implementation...
-  eval 'func_append ()
-  {
-    $debug_cmd
-
-    eval "$1+=\$2"
-  }'
-else
-  # ...otherwise fall back to using expr, which is often a shell builtin.
-  func_append ()
-  {
-    $debug_cmd
-
-    eval "$1=\$$1\$2"
-  }
-fi
-
-
-# func_append_quoted VAR VALUE
-# ----------------------------
-# Quote VALUE and append to the end of shell variable VAR, separated
-# by a space.
-if test yes = "$_G_HAVE_PLUSEQ_OP"; then
-  eval 'func_append_quoted ()
-  {
-    $debug_cmd
-
-    func_quote_for_eval "$2"
-    eval "$1+=\\ \$func_quote_for_eval_result"
-  }'
-else
-  func_append_quoted ()
-  {
-    $debug_cmd
-
-    func_quote_for_eval "$2"
-    eval "$1=\$$1\\ \$func_quote_for_eval_result"
-  }
-fi
-
-
-# func_append_uniq VAR VALUE
-# --------------------------
-# Append unique VALUE onto the existing contents of VAR, assuming
-# entries are delimited by the first character of VALUE.  For example:
-#
-#   func_append_uniq options " --another-option option-argument"
-#
-# will only append to $options if " --another-option option-argument "
-# is not already present somewhere in $options already (note spaces at
-# each end implied by leading space in second argument).
-func_append_uniq ()
-{
-    $debug_cmd
-
-    eval _G_current_value='`$ECHO $'$1'`'
-    _G_delim=`expr "$2" : '$.$'`
-
-    case $_G_delim$_G_current_value$_G_delim in
-      *"$2$_G_delim"*) ;;
-      *) func_append "$@" ;;
-    esac
-}
-
-
-# func_arith TERM...
-# ------------------
-# Set func_arith_result to the result of evaluating TERMs.
-  test -z "$_G_HAVE_ARITH_OP" \
-    && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \
-    && _G_HAVE_ARITH_OP=yes
-
-if test yes = "$_G_HAVE_ARITH_OP"; then
-  eval 'func_arith ()
-  {
-    $debug_cmd
-
-    func_arith_result=$(( $* ))
-  }'
-else
-  func_arith ()
-  {
-    $debug_cmd
-
-    func_arith_result=`expr "$@"`
-  }
-fi
-
-
-# func_basename FILE
-# ------------------
-# Set func_basename_result to FILE with everything up to and including
-# the last / stripped.
-if test yes = "$_G_HAVE_XSI_OPS"; then
-  # If this shell supports suffix pattern removal, then use it to avoid
-  # forking. Hide the definitions single quotes in case the shell chokes
-  # on unsupported syntax...
-  _b='func_basename_result=${1##*/}'
-  _d='case $1 in
-        */*) func_dirname_result=${1%/*}$2 ;;
-        *  ) func_dirname_result=$3        ;;
-      esac'
-
-else
-  # ...otherwise fall back to using sed.
-  _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`'
-  _d='func_dirname_result=`$ECHO "$1"  |$SED "$sed_dirname"`
-      if test "X$func_dirname_result" = "X$1"; then
-        func_dirname_result=$3
-      else
-        func_append func_dirname_result "$2"
-      fi'
-fi
-
-eval 'func_basename ()
-{
-    $debug_cmd
-
-    '"$_b"'
-}'
-
-
-# func_dirname FILE APPEND NONDIR_REPLACEMENT
-# -------------------------------------------
-# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
-# otherwise set result to NONDIR_REPLACEMENT.
-eval 'func_dirname ()
-{
-    $debug_cmd
-
-    '"$_d"'
-}'
-
-
-# func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT
-# --------------------------------------------------------
-# Perform func_basename and func_dirname in a single function
-# call:
-#   dirname:  Compute the dirname of FILE.  If nonempty,
-#             add APPEND to the result, otherwise set result
-#             to NONDIR_REPLACEMENT.
-#             value returned in "$func_dirname_result"
-#   basename: Compute filename of FILE.
-#             value retuned in "$func_basename_result"
-# For efficiency, we do not delegate to the functions above but instead
-# duplicate the functionality here.
-eval 'func_dirname_and_basename ()
-{
-    $debug_cmd
-
-    '"$_b"'
-    '"$_d"'
-}'
-
-
-# func_echo ARG...
-# ----------------
-# Echo program name prefixed message.
-func_echo ()
-{
-    $debug_cmd
-
-    _G_message=$*
-
-    func_echo_IFS=$IFS
-    IFS=$nl
-    for _G_line in $_G_message; do
-      IFS=$func_echo_IFS
-      $ECHO "$progname: $_G_line"
-    done
-    IFS=$func_echo_IFS
-}
-
-
-# func_echo_all ARG...
-# --------------------
-# Invoke $ECHO with all args, space-separated.
-func_echo_all ()
-{
-    $ECHO "$*"
-}
-
-
-# func_echo_infix_1 INFIX ARG...
-# ------------------------------
-# Echo program name, followed by INFIX on the first line, with any
-# additional lines not showing INFIX.
-func_echo_infix_1 ()
-{
-    $debug_cmd
-
-    $require_term_colors
-
-    _G_infix=$1; shift
-    _G_indent=$_G_infix
-    _G_prefix="$progname: $_G_infix: "
-    _G_message=$*
-
-    # Strip color escape sequences before counting printable length
-    for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan"
-    do
-      test -n "$_G_tc" && {
-        _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"`
-        _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"`
-      }
-    done
-    _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`"  " ## exclude from sc_prohibit_nested_quotes
-
-    func_echo_infix_1_IFS=$IFS
-    IFS=$nl
-    for _G_line in $_G_message; do
-      IFS=$func_echo_infix_1_IFS
-      $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2
-      _G_prefix=$_G_indent
-    done
-    IFS=$func_echo_infix_1_IFS
-}
-
-
-# func_error ARG...
-# -----------------
-# Echo program name prefixed message to standard error.
-func_error ()
-{
-    $debug_cmd
-
-    $require_term_colors
-
-    func_echo_infix_1 "  $tc_standout${tc_red}error$tc_reset" "$*" >&2
-}
-
-
-# func_fatal_error ARG...
-# -----------------------
-# Echo program name prefixed message to standard error, and exit.
-func_fatal_error ()
-{
-    $debug_cmd
-
-    func_error "$*"
-    exit $EXIT_FAILURE
-}
-
-
-# func_grep EXPRESSION FILENAME
-# -----------------------------
-# Check whether EXPRESSION matches any line of FILENAME, without output.
-func_grep ()
-{
-    $debug_cmd
-
-    $GREP "$1" "$2" >/dev/null 2>&1
-}
-
-
-# func_len STRING
-# ---------------
-# Set func_len_result to the length of STRING. STRING may not
-# start with a hyphen.
-  test -z "$_G_HAVE_XSI_OPS" \
-    && (eval 'x=a/b/c;
-      test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \
-    && _G_HAVE_XSI_OPS=yes
-
-if test yes = "$_G_HAVE_XSI_OPS"; then
-  eval 'func_len ()
-  {
-    $debug_cmd
-
-    func_len_result=${#1}
-  }'
-else
-  func_len ()
-  {
-    $debug_cmd
-
-    func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len`
-  }
-fi
-
-
-# func_mkdir_p DIRECTORY-PATH
-# ---------------------------
-# Make sure the entire path to DIRECTORY-PATH is available.
-func_mkdir_p ()
-{
-    $debug_cmd
-
-    _G_directory_path=$1
-    _G_dir_list=
-
-    if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then
-
-      # Protect directory names starting with '-'
-      case $_G_directory_path in
-        -*) _G_directory_path=./$_G_directory_path ;;
-      esac
-
-      # While some portion of DIR does not yet exist...
-      while test ! -d "$_G_directory_path"; do
-        # ...make a list in topmost first order.  Use a colon delimited
-	# list incase some portion of path contains whitespace.
-        _G_dir_list=$_G_directory_path:$_G_dir_list
-
-        # If the last portion added has no slash in it, the list is done
-        case $_G_directory_path in */*) ;; *) break ;; esac
-
-        # ...otherwise throw away the child directory and loop
-        _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"`
-      done
-      _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'`
-
-      func_mkdir_p_IFS=$IFS; IFS=:
-      for _G_dir in $_G_dir_list; do
-	IFS=$func_mkdir_p_IFS
-        # mkdir can fail with a 'File exist' error if two processes
-        # try to create one of the directories concurrently.  Don't
-        # stop in that case!
-        $MKDIR "$_G_dir" 2>/dev/null || :
-      done
-      IFS=$func_mkdir_p_IFS
-
-      # Bail out if we (or some other process) failed to create a directory.
-      test -d "$_G_directory_path" || \
-        func_fatal_error "Failed to create '$1'"
-    fi
-}
-
-
-# func_mktempdir BASENAME
-# -------------------------
-# Make a temporary directory that won't clash with other running
-# libtool processes, and avoids race conditions if possible.  If
-# given, BASENAME is the basename for that directory.
-func_mktempdir ()
-{
-    $debug_cmd
-
-    _G_template=${TMPDIR-/tmp}/${1-$progname}
-
-    if test : = "$opt_dry_run"; then
-      # Return a directory name, but don't create it in dry-run mode
-      _G_tmpdir=$_G_template-$$
-    else
-
-      # If mktemp works, use that first and foremost
-      _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null`
-
-      if test ! -d "$_G_tmpdir"; then
-        # Failing that, at least try and use $RANDOM to avoid a race
-        _G_tmpdir=$_G_template-${RANDOM-0}$$
-
-        func_mktempdir_umask=`umask`
-        umask 0077
-        $MKDIR "$_G_tmpdir"
-        umask $func_mktempdir_umask
-      fi
-
-      # If we're not in dry-run mode, bomb out on failure
-      test -d "$_G_tmpdir" || \
-        func_fatal_error "cannot create temporary directory '$_G_tmpdir'"
-    fi
-
-    $ECHO "$_G_tmpdir"
-}
-
-
-# func_normal_abspath PATH
-# ------------------------
-# Remove doubled-up and trailing slashes, "." path components,
-# and cancel out any ".." path components in PATH after making
-# it an absolute path.
-func_normal_abspath ()
-{
-    $debug_cmd
-
-    # These SED scripts presuppose an absolute path with a trailing slash.
-    _G_pathcar='s|^/$^/*$.*$|\1|'
-    _G_pathcdr='s|^/^/*||'
-    _G_removedotparts=':dotsl
-		s|/\./|/|g
-		t dotsl
-		s|/\.$|/|'
-    _G_collapseslashes='s|/\{1,\}|/|g'
-    _G_finalslash='s|/*$|/|'
-
-    # Start from root dir and reassemble the path.
-    func_normal_abspath_result=
-    func_normal_abspath_tpath=$1
-    func_normal_abspath_altnamespace=
-    case $func_normal_abspath_tpath in
-      "")
-        # Empty path, that just means $cwd.
-        func_stripname '' '/' "`pwd`"
-        func_normal_abspath_result=$func_stripname_result
-        return
-        ;;
-      # The next three entries are used to spot a run of precisely
-      # two leading slashes without using negated character classes;
-      # we take advantage of case's first-match behaviour.
-      ///*)
-        # Unusual form of absolute path, do nothing.
-        ;;
-      //*)
-        # Not necessarily an ordinary path; POSIX reserves leading '//'
-        # and for example Cygwin uses it to access remote file shares
-        # over CIFS/SMB, so we conserve a leading double slash if found.
-        func_normal_abspath_altnamespace=/
-        ;;
-      /*)
-        # Absolute path, do nothing.
-        ;;
-      *)
-        # Relative path, prepend $cwd.
-        func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
-        ;;
-    esac
-
-    # Cancel out all the simple stuff to save iterations.  We also want
-    # the path to end with a slash for ease of parsing, so make sure
-    # there is one (and only one) here.
-    func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
-          -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"`
-    while :; do
-      # Processed it all yet?
-      if test / = "$func_normal_abspath_tpath"; then
-        # If we ascended to the root using ".." the result may be empty now.
-        if test -z "$func_normal_abspath_result"; then
-          func_normal_abspath_result=/
-        fi
-        break
-      fi
-      func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
-          -e "$_G_pathcar"`
-      func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
-          -e "$_G_pathcdr"`
-      # Figure out what to do with it
-      case $func_normal_abspath_tcomponent in
-        "")
-          # Trailing empty path component, ignore it.
-          ;;
-        ..)
-          # Parent dir; strip last assembled component from result.
-          func_dirname "$func_normal_abspath_result"
-          func_normal_abspath_result=$func_dirname_result
-          ;;
-        *)
-          # Actual path component, append it.
-          func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent"
-          ;;
-      esac
-    done
-    # Restore leading double-slash if one was found on entry.
-    func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
-}
-
-
-# func_notquiet ARG...
-# --------------------
-# Echo program name prefixed message only when not in quiet mode.
-func_notquiet ()
-{
-    $debug_cmd
-
-    $opt_quiet || func_echo ${1+"$@"}
-
-    # A bug in bash halts the script if the last line of a function
-    # fails when set -e is in force, so we need another command to
-    # work around that:
-    :
-}
-
-
-# func_relative_path SRCDIR DSTDIR
-# --------------------------------
-# Set func_relative_path_result to the relative path from SRCDIR to DSTDIR.
-func_relative_path ()
-{
-    $debug_cmd
-
-    func_relative_path_result=
-    func_normal_abspath "$1"
-    func_relative_path_tlibdir=$func_normal_abspath_result
-    func_normal_abspath "$2"
-    func_relative_path_tbindir=$func_normal_abspath_result
-
-    # Ascend the tree starting from libdir
-    while :; do
-      # check if we have found a prefix of bindir
-      case $func_relative_path_tbindir in
-        $func_relative_path_tlibdir)
-          # found an exact match
-          func_relative_path_tcancelled=
-          break
-          ;;
-        $func_relative_path_tlibdir*)
-          # found a matching prefix
-          func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
-          func_relative_path_tcancelled=$func_stripname_result
-          if test -z "$func_relative_path_result"; then
-            func_relative_path_result=.
-          fi
-          break
-          ;;
-        *)
-          func_dirname $func_relative_path_tlibdir
-          func_relative_path_tlibdir=$func_dirname_result
-          if test -z "$func_relative_path_tlibdir"; then
-            # Have to descend all the way to the root!
-            func_relative_path_result=../$func_relative_path_result
-            func_relative_path_tcancelled=$func_relative_path_tbindir
-            break
-          fi
-          func_relative_path_result=../$func_relative_path_result
-          ;;
-      esac
-    done
-
-    # Now calculate path; take care to avoid doubling-up slashes.
-    func_stripname '' '/' "$func_relative_path_result"
-    func_relative_path_result=$func_stripname_result
-    func_stripname '/' '/' "$func_relative_path_tcancelled"
-    if test -n "$func_stripname_result"; then
-      func_append func_relative_path_result "/$func_stripname_result"
-    fi
-
-    # Normalisation. If bindir is libdir, return '.' else relative path.
-    if test -n "$func_relative_path_result"; then
-      func_stripname './' '' "$func_relative_path_result"
-      func_relative_path_result=$func_stripname_result
-    fi
-
-    test -n "$func_relative_path_result" || func_relative_path_result=.
-
-    :
-}
-
-
-# func_quote_for_eval ARG...
-# --------------------------
-# Aesthetically quote ARGs to be evaled later.
-# This function returns two values:
-#   i) func_quote_for_eval_result
-#      double-quoted, suitable for a subsequent eval
-#  ii) func_quote_for_eval_unquoted_result
-#      has all characters that are still active within double
-#      quotes backslashified.
-func_quote_for_eval ()
-{
-    $debug_cmd
-
-    func_quote_for_eval_unquoted_result=
-    func_quote_for_eval_result=
-    while test 0 -lt $#; do
-      case $1 in
-        *\\\`\"\$*)
-	  _G_unquoted_arg=`printf '%s\n' "$1" |$SED "$sed_quote_subst"` ;;
-        *)
-          _G_unquoted_arg=$1 ;;
-      esac
-      if test -n "$func_quote_for_eval_unquoted_result"; then
-	func_append func_quote_for_eval_unquoted_result " $_G_unquoted_arg"
-      else
-        func_append func_quote_for_eval_unquoted_result "$_G_unquoted_arg"
-      fi
-
-      case $_G_unquoted_arg in
-        # Double-quote args containing shell metacharacters to delay
-        # word splitting, command substitution and variable expansion
-        # for a subsequent eval.
-        # Many Bourne shells cannot handle close brackets correctly
-        # in scan sets, so we specify it separately.
-        *\\~\#\^\&\*\{\}\|\;\<\>\?\'\ \	*|**|"")
-          _G_quoted_arg=\"$_G_unquoted_arg\"
-          ;;
-        *)
-          _G_quoted_arg=$_G_unquoted_arg
-	  ;;
-      esac
-
-      if test -n "$func_quote_for_eval_result"; then
-	func_append func_quote_for_eval_result " $_G_quoted_arg"
-      else
-        func_append func_quote_for_eval_result "$_G_quoted_arg"
-      fi
-      shift
-    done
-}
-
-
-# func_quote_for_expand ARG
-# -------------------------
-# Aesthetically quote ARG to be evaled later; same as above,
-# but do not quote variable references.
-func_quote_for_expand ()
-{
-    $debug_cmd
-
-    case $1 in
-      *\\\`\"*)
-	_G_arg=`$ECHO "$1" | $SED \
-	    -e "$sed_double_quote_subst" -e "$sed_double_backslash"` ;;
-      *)
-        _G_arg=$1 ;;
-    esac
-
-    case $_G_arg in
-      # Double-quote args containing shell metacharacters to delay
-      # word splitting and command substitution for a subsequent eval.
-      # Many Bourne shells cannot handle close brackets correctly
-      # in scan sets, so we specify it separately.
-      *\\~\#\^\&\*\{\}\|\;\<\>\?\'\ \	*|**|"")
-        _G_arg=\"$_G_arg\"
-        ;;
-    esac
-
-    func_quote_for_expand_result=$_G_arg
-}
-
-
-# func_stripname PREFIX SUFFIX NAME
-# ---------------------------------
-# strip PREFIX and SUFFIX from NAME, and store in func_stripname_result.
-# PREFIX and SUFFIX must not contain globbing or regex special
-# characters, hashes, percent signs, but SUFFIX may contain a leading
-# dot (in which case that matches only a dot).
-if test yes = "$_G_HAVE_XSI_OPS"; then
-  eval 'func_stripname ()
-  {
-    $debug_cmd
-
-    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
-    # positional parameters, so assign one to ordinary variable first.
-    func_stripname_result=$3
-    func_stripname_result=${func_stripname_result#"$1"}
-    func_stripname_result=${func_stripname_result%"$2"}
-  }'
-else
-  func_stripname ()
-  {
-    $debug_cmd
-
-    case $2 in
-      .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;;
-      *)  func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;;
-    esac
-  }
-fi
-
-
-# func_show_eval CMD FAIL_EXP
-# -----------------------------
-# Unless opt_quiet is true, then output CMD.  Then, if opt_dryrun is
-# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
-# is given, then evaluate it.
-func_show_eval ()
-{
-    $debug_cmd
-
-    _G_cmd=$1
-    _G_fail_exp=${2-':'}
-
-    func_quote_for_expand "$_G_cmd"
-    eval "func_notquiet $func_quote_for_expand_result"
-
-    $opt_dry_run || {
-      eval "$_G_cmd"
-      _G_status=$?
-      if test 0 -ne "$_G_status"; then
-	eval "(exit $_G_status); $_G_fail_exp"
-      fi
-    }
-}
-
-
-# func_show_eval_locale CMD FAIL_EXP
-# ------------------------------------
-# Unless opt_quiet is true, then output CMD.  Then, if opt_dryrun is
-# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
-# is given, then evaluate it.  Use the saved locale for evaluation.
-func_show_eval_locale ()
-{
-    $debug_cmd
-
-    _G_cmd=$1
-    _G_fail_exp=${2-':'}
-
-    $opt_quiet || {
-      func_quote_for_expand "$_G_cmd"
-      eval "func_echo $func_quote_for_expand_result"
-    }
-
-    $opt_dry_run || {
-      eval "$_G_user_locale
-	    $_G_cmd"
-      _G_status=$?
-      eval "$_G_safe_locale"
-      if test 0 -ne "$_G_status"; then
-	eval "(exit $_G_status); $_G_fail_exp"
-      fi
-    }
-}
-
-
-# func_tr_sh
-# ----------
-# Turn $1 into a string suitable for a shell variable name.
-# Result is stored in $func_tr_sh_result.  All characters
-# not in the set a-zA-Z0-9_ are replaced with '_'. Further,
-# if $1 begins with a digit, a '_' is prepended as well.
-func_tr_sh ()
-{
-    $debug_cmd
-
-    case $1 in
-    0-9* | *!a-zA-Z0-9_*)
-      func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^$0-9$/_\1/' -e 's/^a-zA-Z0-9_/_/g'`
-      ;;
-    * )
-      func_tr_sh_result=$1
-      ;;
-    esac
-}
-
-
-# func_verbose ARG...
-# -------------------
-# Echo program name prefixed message in verbose mode only.
-func_verbose ()
-{
-    $debug_cmd
-
-    $opt_verbose && func_echo "$*"
-
-    :
-}
-
-
-# func_warn_and_continue ARG...
-# -----------------------------
-# Echo program name prefixed warning message to standard error.
-func_warn_and_continue ()
-{
-    $debug_cmd
-
-    $require_term_colors
-
-    func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2
-}
-
-
-# func_warning CATEGORY ARG...
-# ----------------------------
-# Echo program name prefixed warning message to standard error. Warning
-# messages can be filtered according to CATEGORY, where this function
-# elides messages where CATEGORY is not listed in the global variable
-# 'opt_warning_types'.
-func_warning ()
-{
-    $debug_cmd
-
-    # CATEGORY must be in the warning_categories list!
-    case " $warning_categories " in
-      *" $1 "*) ;;
-      *) func_internal_error "invalid warning category '$1'" ;;
-    esac
-
-    _G_category=$1
-    shift
-
-    case " $opt_warning_types " in
-      *" $_G_category "*) $warning_func ${1+"$@"} ;;
-    esac
-}
-
-
-# func_sort_ver VER1 VER2
-# -----------------------
-# 'sort -V' is not generally available.
-# Note this deviates from the version comparison in automake
-# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a
-# but this should suffice as we won't be specifying old
-# version formats or redundant trailing .0 in bootstrap.conf.
-# If we did want full compatibility then we should probably
-# use m4_version_compare from autoconf.
-func_sort_ver ()
-{
-    $debug_cmd
-
-    printf '%s\n%s\n' "$1" "$2" \
-      | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n
-}
-
-# func_lt_ver PREV CURR
-# ---------------------
-# Return true if PREV and CURR are in the correct order according to
-# func_sort_ver, otherwise false.  Use it like this:
-#
-#  func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..."
-func_lt_ver ()
-{
-    $debug_cmd
-
-    test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q`
-}
-
-
-# Local variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'before-save-hook 'time-stamp)
-# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC"
-# time-stamp-time-zone: "UTC"
-# End:
-#! /bin/sh
-
-# Set a version string for this script.
-scriptversion=2014-01-07.03; # UTC
-
-# A portable, pluggable option parser for Bourne shell.
-# Written by Gary V. Vaughan, 2010
-
-# Copyright (C) 2010-2015 Free Software Foundation, Inc.
-# This is free software; see the source for copying conditions.  There is NO
-# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# Please report bugs or propose patches to gary@gnu.org.
-
-
-## ------ ##
-## Usage. ##
-## ------ ##
-
-# This file is a library for parsing options in your shell scripts along
-# with assorted other useful supporting features that you can make use
-# of too.
-#
-# For the simplest scripts you might need only:
-#
-#   #!/bin/sh
-#   . relative/path/to/funclib.sh
-#   . relative/path/to/options-parser
-#   scriptversion=1.0
-#   func_options ${1+"$@"}
-#   eval set dummy "$func_options_result"; shift
-#   ...rest of your script...
-#
-# In order for the '--version' option to work, you will need to have a
-# suitably formatted comment like the one at the top of this file
-# starting with '# Written by ' and ending with '# warranty; '.
-#
-# For '-h' and '--help' to work, you will also need a one line
-# description of your script's purpose in a comment directly above the
-# '# Written by ' line, like the one at the top of this file.
-#
-# The default options also support '--debug', which will turn on shell
-# execution tracing (see the comment above debug_cmd below for another
-# use), and '--verbose' and the func_verbose function to allow your script
-# to display verbose messages only when your user has specified
-# '--verbose'.
-#
-# After sourcing this file, you can plug processing for additional
-# options by amending the variables from the 'Configuration' section
-# below, and following the instructions in the 'Option parsing'
-# section further down.
-
-## -------------- ##
-## Configuration. ##
-## -------------- ##
-
-# You should override these variables in your script after sourcing this
-# file so that they reflect the customisations you have added to the
-# option parser.
-
-# The usage line for option parsing errors and the start of '-h' and
-# '--help' output messages. You can embed shell variables for delayed
-# expansion at the time the message is displayed, but you will need to
-# quote other shell meta-characters carefully to prevent them being
-# expanded when the contents are evaled.
-usage='$progpath OPTION...'
-
-# Short help message in response to '-h' and '--help'.  Add to this or
-# override it after sourcing this library to reflect the full set of
-# options your script accepts.
-usage_message="\
-       --debug        enable verbose shell tracing
-   -W, --warnings=CATEGORY
-                      report the warnings falling in CATEGORY all
-   -v, --verbose      verbosely report processing
-       --version      print version information and exit
-   -h, --help         print short or long help message and exit
-"
-
-# Additional text appended to 'usage_message' in response to '--help'.
-long_help_message="
-Warning categories include:
-       'all'          show all warnings
-       'none'         turn off all the warnings
-       'error'        warnings are treated as fatal errors"
-
-# Help message printed before fatal option parsing errors.
-fatal_help="Try '\$progname --help' for more information."
-
-
-
-## ------------------------- ##
-## Hook function management. ##
-## ------------------------- ##
-
-# This section contains functions for adding, removing, and running hooks
-# to the main code.  A hook is just a named list of of function, that can
-# be run in order later on.
-
-# func_hookable FUNC_NAME
-# -----------------------
-# Declare that FUNC_NAME will run hooks added with
-# 'func_add_hook FUNC_NAME ...'.
-func_hookable ()
-{
-    $debug_cmd
-
-    func_append hookable_fns " $1"
-}
-
-
-# func_add_hook FUNC_NAME HOOK_FUNC
-# ---------------------------------
-# Request that FUNC_NAME call HOOK_FUNC before it returns.  FUNC_NAME must
-# first have been declared "hookable" by a call to 'func_hookable'.
-func_add_hook ()
-{
-    $debug_cmd
-
-    case " $hookable_fns " in
-      *" $1 "*) ;;
-      *) func_fatal_error "'$1' does not accept hook functions." ;;
-    esac
-
-    eval func_append ${1}_hooks '" $2"'
-}
-
-
-# func_remove_hook FUNC_NAME HOOK_FUNC
-# ------------------------------------
-# Remove HOOK_FUNC from the list of functions called by FUNC_NAME.
-func_remove_hook ()
-{
-    $debug_cmd
-
-    eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`'
-}
-
-
-# func_run_hooks FUNC_NAME ARG...
-# ---------------------------------
-# Run all hook functions registered to FUNC_NAME.
-# It is assumed that the list of hook functions contains nothing more
-# than a whitespace-delimited list of legal shell function names, and
-# no effort is wasted trying to catch shell meta-characters or preserve
-# whitespace.
-func_run_hooks ()
-{
-    $debug_cmd
-
-    case " $hookable_fns " in
-      *" $1 "*) ;;
-      *) func_fatal_error "'$1' does not support hook funcions.n" ;;
-    esac
-
-    eval _G_hook_fns=\$$1_hooks; shift
-
-    for _G_hook in $_G_hook_fns; do
-      eval $_G_hook '"$@"'
-
-      # store returned options list back into positional
-      # parameters for next 'cmd' execution.
-      eval _G_hook_result=\$${_G_hook}_result
-      eval set dummy "$_G_hook_result"; shift
-    done
-
-    func_quote_for_eval ${1+"$@"}
-    func_run_hooks_result=$func_quote_for_eval_result
-}
-
-
-
-## --------------- ##
-## Option parsing. ##
-## --------------- ##
-
-# In order to add your own option parsing hooks, you must accept the
-# full positional parameter list in your hook function, remove any
-# options that you action, and then pass back the remaining unprocessed
-# options in '<hooked_function_name>_result', escaped suitably for
-# 'eval'.  Like this:
-#
-#    my_options_prep ()
-#    {
-#        $debug_cmd
-#
-#        # Extend the existing usage message.
-#        usage_message=$usage_message'
-#      -s, --silent       don'\''t print informational messages
-#    '
-#
-#        func_quote_for_eval ${1+"$@"}
-#        my_options_prep_result=$func_quote_for_eval_result
-#    }
-#    func_add_hook func_options_prep my_options_prep
-#
-#
-#    my_silent_option ()
-#    {
-#        $debug_cmd
-#
-#        # Note that for efficiency, we parse as many options as we can
-#        # recognise in a loop before passing the remainder back to the
-#        # caller on the first unrecognised argument we encounter.
-#        while test $# -gt 0; do
-#          opt=$1; shift
-#          case $opt in
-#            --silent|-s) opt_silent=: ;;
-#            # Separate non-argument short options:
-#            -s*)         func_split_short_opt "$_G_opt"
-#                         set dummy "$func_split_short_opt_name" \
-#                             "-$func_split_short_opt_arg" ${1+"$@"}
-#                         shift
-#                         ;;
-#            *)            set dummy "$_G_opt" "$*"; shift; break ;;
-#          esac
-#        done
-#
-#        func_quote_for_eval ${1+"$@"}
-#        my_silent_option_result=$func_quote_for_eval_result
-#    }
-#    func_add_hook func_parse_options my_silent_option
-#
-#
-#    my_option_validation ()
-#    {
-#        $debug_cmd
-#
-#        $opt_silent && $opt_verbose && func_fatal_help "\
-#    '--silent' and '--verbose' options are mutually exclusive."
-#
-#        func_quote_for_eval ${1+"$@"}
-#        my_option_validation_result=$func_quote_for_eval_result
-#    }
-#    func_add_hook func_validate_options my_option_validation
-#
-# You'll alse need to manually amend $usage_message to reflect the extra
-# options you parse.  It's preferable to append if you can, so that
-# multiple option parsing hooks can be added safely.
-
-
-# func_options ARG...
-# ---------------------
-# All the functions called inside func_options are hookable. See the
-# individual implementations for details.
-func_hookable func_options
-func_options ()
-{
-    $debug_cmd
-
-    func_options_prep ${1+"$@"}
-    eval func_parse_options \
-        ${func_options_prep_result+"$func_options_prep_result"}
-    eval func_validate_options \
-        ${func_parse_options_result+"$func_parse_options_result"}
-
-    eval func_run_hooks func_options \
-        ${func_validate_options_result+"$func_validate_options_result"}
-
-    # save modified positional parameters for caller
-    func_options_result=$func_run_hooks_result
-}
-
-
-# func_options_prep ARG...
-# --------------------------
-# All initialisations required before starting the option parse loop.
-# Note that when calling hook functions, we pass through the list of
-# positional parameters.  If a hook function modifies that list, and
-# needs to propogate that back to rest of this script, then the complete
-# modified list must be put in 'func_run_hooks_result' before
-# returning.
-func_hookable func_options_prep
-func_options_prep ()
-{
-    $debug_cmd
-
-    # Option defaults:
-    opt_verbose=false
-    opt_warning_types=
-
-    func_run_hooks func_options_prep ${1+"$@"}
-
-    # save modified positional parameters for caller
-    func_options_prep_result=$func_run_hooks_result
-}
-
-
-# func_parse_options ARG...
-# ---------------------------
-# The main option parsing loop.
-func_hookable func_parse_options
-func_parse_options ()
-{
-    $debug_cmd
-
-    func_parse_options_result=
-
-    # this just eases exit handling
-    while test $# -gt 0; do
-      # Defer to hook functions for initial option parsing, so they
-      # get priority in the event of reusing an option name.
-      func_run_hooks func_parse_options ${1+"$@"}
-
-      # Adjust func_parse_options positional parameters to match
-      eval set dummy "$func_run_hooks_result"; shift
-
-      # Break out of the loop if we already parsed every option.
-      test $# -gt 0 || break
-
-      _G_opt=$1
-      shift
-      case $_G_opt in
-        --debug|-x)   debug_cmd='set -x'
-                      func_echo "enabling shell trace mode"
-                      $debug_cmd
-                      ;;
-
-        --no-warnings|--no-warning|--no-warn)
-                      set dummy --warnings none ${1+"$@"}
-                      shift
-		      ;;
-
-        --warnings|--warning|-W)
-                      test $# = 0 && func_missing_arg $_G_opt && break
-                      case " $warning_categories $1" in
-                        *" $1 "*)
-                          # trailing space prevents matching last $1 above
-                          func_append_uniq opt_warning_types " $1"
-                          ;;
-                        *all)
-                          opt_warning_types=$warning_categories
-                          ;;
-                        *none)
-                          opt_warning_types=none
-                          warning_func=:
-                          ;;
-                        *error)
-                          opt_warning_types=$warning_categories
-                          warning_func=func_fatal_error
-                          ;;
-                        *)
-                          func_fatal_error \
-                             "unsupported warning category: '$1'"
-                          ;;
-                      esac
-                      shift
-                      ;;
-
-        --verbose|-v) opt_verbose=: ;;
-        --version)    func_version ;;
-        -\?|-h)       func_usage ;;
-        --help)       func_help ;;
-
-	# Separate optargs to long options (plugins may need this):
-	--*=*)        func_split_equals "$_G_opt"
-	              set dummy "$func_split_equals_lhs" \
-                          "$func_split_equals_rhs" ${1+"$@"}
-                      shift
-                      ;;
-
-       # Separate optargs to short options:
-        -W*)
-                      func_split_short_opt "$_G_opt"
-                      set dummy "$func_split_short_opt_name" \
-                          "$func_split_short_opt_arg" ${1+"$@"}
-                      shift
-                      ;;
-
-        # Separate non-argument short options:
-        -\?*|-h*|-v*|-x*)
-                      func_split_short_opt "$_G_opt"
-                      set dummy "$func_split_short_opt_name" \
-                          "-$func_split_short_opt_arg" ${1+"$@"}
-                      shift
-                      ;;
-
-        --)           break ;;
-        -*)           func_fatal_help "unrecognised option: '$_G_opt'" ;;
-        *)            set dummy "$_G_opt" ${1+"$@"}; shift; break ;;
-      esac
-    done
-
-    # save modified positional parameters for caller
-    func_quote_for_eval ${1+"$@"}
-    func_parse_options_result=$func_quote_for_eval_result
-}
-
-
-# func_validate_options ARG...
-# ------------------------------
-# Perform any sanity checks on option settings and/or unconsumed
-# arguments.
-func_hookable func_validate_options
-func_validate_options ()
-{
-    $debug_cmd
-
-    # Display all warnings if -W was not given.
-    test -n "$opt_warning_types" || opt_warning_types=" $warning_categories"
-
-    func_run_hooks func_validate_options ${1+"$@"}
-
-    # Bail if the options were screwed!
-    $exit_cmd $EXIT_FAILURE
-
-    # save modified positional parameters for caller
-    func_validate_options_result=$func_run_hooks_result
-}
-
-
-
-## ----------------- ##
-## Helper functions. ##
-## ----------------- ##
-
-# This section contains the helper functions used by the rest of the
-# hookable option parser framework in ascii-betical order.
-
-
-# func_fatal_help ARG...
-# ----------------------
-# Echo program name prefixed message to standard error, followed by
-# a help hint, and exit.
-func_fatal_help ()
-{
-    $debug_cmd
-
-    eval \$ECHO \""Usage: $usage"\"
-    eval \$ECHO \""$fatal_help"\"
-    func_error ${1+"$@"}
-    exit $EXIT_FAILURE
-}
-
-
-# func_help
-# ---------
-# Echo long help message to standard output and exit.
-func_help ()
-{
-    $debug_cmd
-
-    func_usage_message
-    $ECHO "$long_help_message"
-    exit 0
-}
-
-
-# func_missing_arg ARGNAME
-# ------------------------
-# Echo program name prefixed message to standard error and set global
-# exit_cmd.
-func_missing_arg ()
-{
-    $debug_cmd
-
-    func_error "Missing argument for '$1'."
-    exit_cmd=exit
-}
-
-
-# func_split_equals STRING
-# ------------------------
-# Set func_split_equals_lhs and func_split_equals_rhs shell variables after
-# splitting STRING at the '=' sign.
-test -z "$_G_HAVE_XSI_OPS" \
-    && (eval 'x=a/b/c;
-      test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \
-    && _G_HAVE_XSI_OPS=yes
-
-if test yes = "$_G_HAVE_XSI_OPS"
-then
-  # This is an XSI compatible shell, allowing a faster implementation...
-  eval 'func_split_equals ()
-  {
-      $debug_cmd
-
-      func_split_equals_lhs=${1%%=*}
-      func_split_equals_rhs=${1#*=}
-      test "x$func_split_equals_lhs" = "x$1" \
-        && func_split_equals_rhs=
-  }'
-else
-  # ...otherwise fall back to using expr, which is often a shell builtin.
-  func_split_equals ()
-  {
-      $debug_cmd
-
-      func_split_equals_lhs=`expr "x$1" : 'x$^=*$'`
-      func_split_equals_rhs=
-      test "x$func_split_equals_lhs" = "x$1" \
-        || func_split_equals_rhs=`expr "x$1" : 'x^=*=$.*$$'`
-  }
-fi #func_split_equals
-
-
-# func_split_short_opt SHORTOPT
-# -----------------------------
-# Set func_split_short_opt_name and func_split_short_opt_arg shell
-# variables after splitting SHORTOPT after the 2nd character.
-if test yes = "$_G_HAVE_XSI_OPS"
-then
-  # This is an XSI compatible shell, allowing a faster implementation...
-  eval 'func_split_short_opt ()
-  {
-      $debug_cmd
-
-      func_split_short_opt_arg=${1#??}
-      func_split_short_opt_name=${1%"$func_split_short_opt_arg"}
-  }'
-else
-  # ...otherwise fall back to using expr, which is often a shell builtin.
-  func_split_short_opt ()
-  {
-      $debug_cmd
-
-      func_split_short_opt_name=`expr "x$1" : 'x-$.$'`
-      func_split_short_opt_arg=`expr "x$1" : 'x-.$.*$$'`
-  }
-fi #func_split_short_opt
-
-
-# func_usage
-# ----------
-# Echo short help message to standard output and exit.
-func_usage ()
-{
-    $debug_cmd
-
-    func_usage_message
-    $ECHO "Run '$progname --help |${PAGER-more}' for full usage"
-    exit 0
-}
-
-
-# func_usage_message
-# ------------------
-# Echo short help message to standard output.
-func_usage_message ()
-{
-    $debug_cmd
-
-    eval \$ECHO \""Usage: $usage"\"
-    echo
-    $SED -n 's|^# ||
-        /^Written by/{
-          x;p;x
-        }
-	h
-	/^Written by/q' < "$progpath"
-    echo
-    eval \$ECHO \""$usage_message"\"
-}
-
-
-# func_version
-# ------------
-# Echo version message to standard output and exit.
-func_version ()
-{
-    $debug_cmd
-
-    printf '%s\n' "$progname $scriptversion"
-    $SED -n '
-        /(C)/!b go
-        :more
-        /\./!{
-          N
-          s|\n# | |
-          b more
-        }
-        :go
-        /^# Written by /,/# warranty; / {
-          s|^# ||
-          s|^# *$||
-          s|$(C)$ 0-9,-* ,-$1-90-9* $|\1 \2|
-          p
-        }
-        /^# Written by / {
-          s|^# ||
-          p
-        }
-        /^warranty; /q' < "$progpath"
-
-    exit $?
-}
-
-
-# Local variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'before-save-hook 'time-stamp)
-# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC"
-# time-stamp-time-zone: "UTC"
-# End:
-
-# Set a version string.
-scriptversion='(GNU libtool) 2.4.6'
-
-
-# func_echo ARG...
-# ----------------
-# Libtool also displays the current mode in messages, so override
-# funclib.sh func_echo with this custom definition.
-func_echo ()
-{
-    $debug_cmd
-
-    _G_message=$*
-
-    func_echo_IFS=$IFS
-    IFS=$nl
-    for _G_line in $_G_message; do
-      IFS=$func_echo_IFS
-      $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line"
-    done
-    IFS=$func_echo_IFS
-}
-
-
-# func_warning ARG...
-# -------------------
-# Libtool warnings are not categorized, so override funclib.sh
-# func_warning with this simpler definition.
-func_warning ()
-{
-    $debug_cmd
-
-    $warning_func ${1+"$@"}
-}
-
-
-## ---------------- ##
-## Options parsing. ##
-## ---------------- ##
-
-# Hook in the functions to make sure our own options are parsed during
-# the option parsing loop.
-
-usage='$progpath OPTION... MODE-ARG...'
-
-# Short help message in response to '-h'.
-usage_message="Options:
-       --config             show all configuration variables
-       --debug              enable verbose shell tracing
-   -n, --dry-run            display commands without modifying any files
-       --features           display basic configuration information and exit
-       --mode=MODE          use operation mode MODE
-       --no-warnings        equivalent to '-Wnone'
-       --preserve-dup-deps  don't remove duplicate dependency libraries
-       --quiet, --silent    don't print informational messages
-       --tag=TAG            use configuration variables from tag TAG
-   -v, --verbose            print more informational messages than default
-       --version            print version information
-   -W, --warnings=CATEGORY  report the warnings falling in CATEGORY all
-   -h, --help, --help-all   print short, long, or detailed help message
-"
-
-# Additional text appended to 'usage_message' in response to '--help'.
-func_help ()
-{
-    $debug_cmd
-
-    func_usage_message
-    $ECHO "$long_help_message
-
-MODE must be one of the following:
-
-       clean           remove files from the build directory
-       compile         compile a source file into a libtool object
-       execute         automatically set library path, then run a program
-       finish          complete the installation of libtool libraries
-       install         install libraries or executables
-       link            create a library or an executable
-       uninstall       remove libraries from an installed directory
-
-MODE-ARGS vary depending on the MODE.  When passed as first option,
-'--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that.
-Try '$progname --help --mode=MODE' for a more detailed description of MODE.
-
-When reporting a bug, please describe a test case to reproduce it and
-include the following information:
-
-       host-triplet:   $host
-       shell:          $SHELL
-       compiler:       $LTCC
-       compiler flags: $LTCFLAGS
-       linker:         $LD (gnu? $with_gnu_ld)
-       version:        $progname $scriptversion Debian-2.4.6-2
-       automake:       `($AUTOMAKE --version) 2>/dev/null |$SED 1q`
-       autoconf:       `($AUTOCONF --version) 2>/dev/null |$SED 1q`
-
-Report bugs to <bug-libtool@gnu.org>.
-GNU libtool home page: <http://www.gnu.org/s/libtool/>.
-General help using GNU software: <http://www.gnu.org/gethelp/>."
-    exit 0
-}
-
-
-# func_lo2o OBJECT-NAME
-# ---------------------
-# Transform OBJECT-NAME from a '.lo' suffix to the platform specific
-# object suffix.
-
-lo2o=s/\\.lo\$/.$objext/
-o2lo=s/\\.$objext\$/.lo/
-
-if test yes = "$_G_HAVE_XSI_OPS"; then
-  eval 'func_lo2o ()
-  {
-    case $1 in
-      *.lo) func_lo2o_result=${1%.lo}.$objext ;;
-      *   ) func_lo2o_result=$1               ;;
-    esac
-  }'
-
-  # func_xform LIBOBJ-OR-SOURCE
-  # ---------------------------
-  # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise)
-  # suffix to a '.lo' libtool-object suffix.
-  eval 'func_xform ()
-  {
-    func_xform_result=${1%.*}.lo
-  }'
-else
-  # ...otherwise fall back to using sed.
-  func_lo2o ()
-  {
-    func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"`
-  }
-
-  func_xform ()
-  {
-    func_xform_result=`$ECHO "$1" | $SED 's|\.^.*$|.lo|'`
-  }
-fi
-
-
-# func_fatal_configuration ARG...
-# -------------------------------
-# Echo program name prefixed message to standard error, followed by
-# a configuration failure hint, and exit.
-func_fatal_configuration ()
-{
-    func__fatal_error ${1+"$@"} \
-      "See the $PACKAGE documentation for more information." \
-      "Fatal configuration error."
-}
-
-
-# func_config
-# -----------
-# Display the configuration for all the tags in this script.
-func_config ()
-{
-    re_begincf='^# ### BEGIN LIBTOOL'
-    re_endcf='^# ### END LIBTOOL'
-
-    # Default configuration.
-    $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
-
-    # Now print the configurations for the tags.
-    for tagname in $taglist; do
-      $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
-    done
-
-    exit $?
-}
-
-
-# func_features
-# -------------
-# Display the features supported by this script.
-func_features ()
-{
-    echo "host: $host"
-    if test yes = "$build_libtool_libs"; then
-      echo "enable shared libraries"
-    else
-      echo "disable shared libraries"
-    fi
-    if test yes = "$build_old_libs"; then
-      echo "enable static libraries"
-    else
-      echo "disable static libraries"
-    fi
-
-    exit $?
-}
-
-
-# func_enable_tag TAGNAME
-# -----------------------
-# Verify that TAGNAME is valid, and either flag an error and exit, or
-# enable the TAGNAME tag.  We also add TAGNAME to the global $taglist
-# variable here.
-func_enable_tag ()
-{
-    # Global variable:
-    tagname=$1
-
-    re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
-    re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
-    sed_extractcf=/$re_begincf/,/$re_endcf/p
-
-    # Validate tagname.
-    case $tagname in
-      *!-_A-Za-z0-9,/*)
-        func_fatal_error "invalid tag name: $tagname"
-        ;;
-    esac
-
-    # Don't test for the "default" C tag, as we know it's
-    # there but not specially marked.
-    case $tagname in
-        CC) ;;
-    *)
-        if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
-	  taglist="$taglist $tagname"
-
-	  # Evaluate the configuration.  Be careful to quote the path
-	  # and the sed script, to avoid splitting on whitespace, but
-	  # also don't use non-portable quotes within backquotes within
-	  # quotes we have to do it in 2 steps:
-	  extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
-	  eval "$extractedcf"
-        else
-	  func_error "ignoring unknown tag $tagname"
-        fi
-        ;;
-    esac
-}
-
-
-# func_check_version_match
-# ------------------------
-# Ensure that we are using m4 macros, and libtool script from the same
-# release of libtool.
-func_check_version_match ()
-{
-    if test "$package_revision" != "$macro_revision"; then
-      if test "$VERSION" != "$macro_version"; then
-        if test -z "$macro_version"; then
-          cat >&2 <<_LT_EOF
-$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
-$progname: definition of this LT_INIT comes from an older release.
-$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
-$progname: and run autoconf again.
-_LT_EOF
-        else
-          cat >&2 <<_LT_EOF
-$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
-$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
-$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
-$progname: and run autoconf again.
-_LT_EOF
-        fi
-      else
-        cat >&2 <<_LT_EOF
-$progname: Version mismatch error.  This is $PACKAGE $VERSION, revision $package_revision,
-$progname: but the definition of this LT_INIT comes from revision $macro_revision.
-$progname: You should recreate aclocal.m4 with macros from revision $package_revision
-$progname: of $PACKAGE $VERSION and run autoconf again.
-_LT_EOF
-      fi
-
-      exit $EXIT_MISMATCH
-    fi
-}
-
-
-# libtool_options_prep ARG...
-# -----------------------------
-# Preparation for options parsed by libtool.
-libtool_options_prep ()
-{
-    $debug_mode
-
-    # Option defaults:
-    opt_config=false
-    opt_dlopen=
-    opt_dry_run=false
-    opt_help=false
-    opt_mode=
-    opt_preserve_dup_deps=false
-    opt_quiet=false
-
-    nonopt=
-    preserve_args=
-
-    # Shorthand for --mode=foo, only valid as the first argument
-    case $1 in
-    clean|clea|cle|cl)
-      shift; set dummy --mode clean ${1+"$@"}; shift
-      ;;
-    compile|compil|compi|comp|com|co|c)
-      shift; set dummy --mode compile ${1+"$@"}; shift
-      ;;
-    execute|execut|execu|exec|exe|ex|e)
-      shift; set dummy --mode execute ${1+"$@"}; shift
-      ;;
-    finish|finis|fini|fin|fi|f)
-      shift; set dummy --mode finish ${1+"$@"}; shift
-      ;;
-    install|instal|insta|inst|ins|in|i)
-      shift; set dummy --mode install ${1+"$@"}; shift
-      ;;
-    link|lin|li|l)
-      shift; set dummy --mode link ${1+"$@"}; shift
-      ;;
-    uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
-      shift; set dummy --mode uninstall ${1+"$@"}; shift
-      ;;
-    esac
-
-    # Pass back the list of options.
-    func_quote_for_eval ${1+"$@"}
-    libtool_options_prep_result=$func_quote_for_eval_result
-}
-func_add_hook func_options_prep libtool_options_prep
-
-
-# libtool_parse_options ARG...
-# ---------------------------------
-# Provide handling for libtool specific options.
-libtool_parse_options ()
-{
-    $debug_cmd
-
-    # Perform our own loop to consume as many options as possible in
-    # each iteration.
-    while test $# -gt 0; do
-      _G_opt=$1
-      shift
-      case $_G_opt in
-        --dry-run|--dryrun|-n)
-                        opt_dry_run=:
-                        ;;
-
-        --config)       func_config ;;
-
-        --dlopen|-dlopen)
-                        opt_dlopen="${opt_dlopen+$opt_dlopen
-}$1"
-                        shift
-                        ;;
-
-        --preserve-dup-deps)
-                        opt_preserve_dup_deps=: ;;
-
-        --features)     func_features ;;
-
-        --finish)       set dummy --mode finish ${1+"$@"}; shift ;;
-
-        --help)         opt_help=: ;;
-
-        --help-all)     opt_help=': help-all' ;;
-
-        --mode)         test $# = 0 && func_missing_arg $_G_opt && break
-                        opt_mode=$1
-                        case $1 in
-                          # Valid mode arguments:
-                          clean|compile|execute|finish|install|link|relink|uninstall) ;;
-
-                          # Catch anything else as an error
-                          *) func_error "invalid argument for $_G_opt"
-                             exit_cmd=exit
-                             break
-                             ;;
-                        esac
-                        shift
-                        ;;
-
-        --no-silent|--no-quiet)
-                        opt_quiet=false
-                        func_append preserve_args " $_G_opt"
-                        ;;
-
-        --no-warnings|--no-warning|--no-warn)
-                        opt_warning=false
-                        func_append preserve_args " $_G_opt"
-                        ;;
-
-        --no-verbose)
-                        opt_verbose=false
-                        func_append preserve_args " $_G_opt"
-                        ;;
-
-        --silent|--quiet)
-                        opt_quiet=:
-                        opt_verbose=false
-                        func_append preserve_args " $_G_opt"
-                        ;;
-
-        --tag)          test $# = 0 && func_missing_arg $_G_opt && break
-                        opt_tag=$1
-                        func_append preserve_args " $_G_opt $1"
-                        func_enable_tag "$1"
-                        shift
-                        ;;
-
-        --verbose|-v)   opt_quiet=false
-                        opt_verbose=:
-                        func_append preserve_args " $_G_opt"
-                        ;;
-
-	# An option not handled by this hook function:
-        *)		set dummy "$_G_opt" ${1+"$@"};	shift; break  ;;
-      esac
-    done
-
-
-    # save modified positional parameters for caller
-    func_quote_for_eval ${1+"$@"}
-    libtool_parse_options_result=$func_quote_for_eval_result
-}
-func_add_hook func_parse_options libtool_parse_options
-
-
-
-# libtool_validate_options ARG...
-# ---------------------------------
-# Perform any sanity checks on option settings and/or unconsumed
-# arguments.
-libtool_validate_options ()
-{
-    # save first non-option argument
-    if test 0 -lt $#; then
-      nonopt=$1
-      shift
-    fi
-
-    # preserve --debug
-    test : = "$debug_cmd" || func_append preserve_args " --debug"
-
-    case $host in
-      # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452
-      # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788
-      *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*)
-        # don't eliminate duplications in $postdeps and $predeps
-        opt_duplicate_compiler_generated_deps=:
-        ;;
-      *)
-        opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps
-        ;;
-    esac
-
-    $opt_help || {
-      # Sanity checks first:
-      func_check_version_match
-
-      test yes != "$build_libtool_libs" \
-        && test yes != "$build_old_libs" \
-        && func_fatal_configuration "not configured to build any kind of library"
-
-      # Darwin sucks
-      eval std_shrext=\"$shrext_cmds\"
-
-      # Only execute mode is allowed to have -dlopen flags.
-      if test -n "$opt_dlopen" && test execute != "$opt_mode"; then
-        func_error "unrecognized option '-dlopen'"
-        $ECHO "$help" 1>&2
-        exit $EXIT_FAILURE
-      fi
-
-      # Change the help message to a mode-specific one.
-      generic_help=$help
-      help="Try '$progname --help --mode=$opt_mode' for more information."
-    }
-
-    # Pass back the unparsed argument list
-    func_quote_for_eval ${1+"$@"}
-    libtool_validate_options_result=$func_quote_for_eval_result
-}
-func_add_hook func_validate_options libtool_validate_options
-
-
-# Process options as early as possible so that --help and --version
-# can return quickly.
-func_options ${1+"$@"}
-eval set dummy "$func_options_result"; shift
-
-
-
-## ----------- ##
-##    Main.    ##
-## ----------- ##
-
-magic='%%%MAGIC variable%%%'
-magic_exe='%%%MAGIC EXE variable%%%'
-
-# Global variables.
-extracted_archives=
-extracted_serial=0
-
-# If this variable is set in any of the actions, the command in it
-# will be execed at the end.  This prevents here-documents from being
-# left over by shells.
-exec_cmd=
-
-
-# A function that is used when there is no print builtin or printf.
-func_fallback_echo ()
-{
-  eval 'cat <<_LTECHO_EOF
-$1
-_LTECHO_EOF'
-}
-
-# func_generated_by_libtool
-# True iff stdin has been generated by Libtool. This function is only
-# a basic sanity check; it will hardly flush out determined imposters.
-func_generated_by_libtool_p ()
-{
-  $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
-}
-
-# func_lalib_p file
-# True iff FILE is a libtool '.la' library or '.lo' object file.
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_lalib_p ()
-{
-    test -f "$1" &&
-      $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p
-}
-
-# func_lalib_unsafe_p file
-# True iff FILE is a libtool '.la' library or '.lo' object file.
-# This function implements the same check as func_lalib_p without
-# resorting to external programs.  To this end, it redirects stdin and
-# closes it afterwards, without saving the original file descriptor.
-# As a safety measure, use it only where a negative result would be
-# fatal anyway.  Works if 'file' does not exist.
-func_lalib_unsafe_p ()
-{
-    lalib_p=no
-    if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then
-	for lalib_p_l in 1 2 3 4
-	do
-	    read lalib_p_line
-	    case $lalib_p_line in
-		\#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
-	    esac
-	done
-	exec 0<&5 5<&-
-    fi
-    test yes = "$lalib_p"
-}
-
-# func_ltwrapper_script_p file
-# True iff FILE is a libtool wrapper script
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_ltwrapper_script_p ()
-{
-    test -f "$1" &&
-      $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p
-}
-
-# func_ltwrapper_executable_p file
-# True iff FILE is a libtool wrapper executable
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_ltwrapper_executable_p ()
-{
-    func_ltwrapper_exec_suffix=
-    case $1 in
-    *.exe) ;;
-    *) func_ltwrapper_exec_suffix=.exe ;;
-    esac
-    $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
-}
-
-# func_ltwrapper_scriptname file
-# Assumes file is an ltwrapper_executable
-# uses $file to determine the appropriate filename for a
-# temporary ltwrapper_script.
-func_ltwrapper_scriptname ()
-{
-    func_dirname_and_basename "$1" "" "."
-    func_stripname '' '.exe' "$func_basename_result"
-    func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper
-}
-
-# func_ltwrapper_p file
-# True iff FILE is a libtool wrapper script or wrapper executable
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_ltwrapper_p ()
-{
-    func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
-}
-
-
-# func_execute_cmds commands fail_cmd
-# Execute tilde-delimited COMMANDS.
-# If FAIL_CMD is given, eval that upon failure.
-# FAIL_CMD may read-access the current command in variable CMD!
-func_execute_cmds ()
-{
-    $debug_cmd
-
-    save_ifs=$IFS; IFS='~'
-    for cmd in $1; do
-      IFS=$sp$nl
-      eval cmd=\"$cmd\"
-      IFS=$save_ifs
-      func_show_eval "$cmd" "${2-:}"
-    done
-    IFS=$save_ifs
-}
-
-
-# func_source file
-# Source FILE, adding directory component if necessary.
-# Note that it is not necessary on cygwin/mingw to append a dot to
-# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
-# behavior happens only for exec(3), not for open(2)!  Also, sourcing
-# 'FILE.' does not work on cygwin managed mounts.
-func_source ()
-{
-    $debug_cmd
-
-    case $1 in
-    */* | *\\*)	. "$1" ;;
-    *)		. "./$1" ;;
-    esac
-}
-
-
-# func_resolve_sysroot PATH
-# Replace a leading = in PATH with a sysroot.  Store the result into
-# func_resolve_sysroot_result
-func_resolve_sysroot ()
-{
-  func_resolve_sysroot_result=$1
-  case $func_resolve_sysroot_result in
-  =*)
-    func_stripname '=' '' "$func_resolve_sysroot_result"
-    func_resolve_sysroot_result=$lt_sysroot$func_stripname_result
-    ;;
-  esac
-}
-
-# func_replace_sysroot PATH
-# If PATH begins with the sysroot, replace it with = and
-# store the result into func_replace_sysroot_result.
-func_replace_sysroot ()
-{
-  case $lt_sysroot:$1 in
-  ?*:"$lt_sysroot"*)
-    func_stripname "$lt_sysroot" '' "$1"
-    func_replace_sysroot_result='='$func_stripname_result
-    ;;
-  *)
-    # Including no sysroot.
-    func_replace_sysroot_result=$1
-    ;;
-  esac
-}
-
-# func_infer_tag arg
-# Infer tagged configuration to use if any are available and
-# if one wasn't chosen via the "--tag" command line option.
-# Only attempt this if the compiler in the base compile
-# command doesn't match the default compiler.
-# arg is usually of the form 'gcc ...'
-func_infer_tag ()
-{
-    $debug_cmd
-
-    if test -n "$available_tags" && test -z "$tagname"; then
-      CC_quoted=
-      for arg in $CC; do
-	func_append_quoted CC_quoted "$arg"
-      done
-      CC_expanded=`func_echo_all $CC`
-      CC_quoted_expanded=`func_echo_all $CC_quoted`
-      case $@ in
-      # Blanks in the command may have been stripped by the calling shell,
-      # but not from the CC environment variable when configure was run.
-      " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
-      " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;;
-      # Blanks at the start of $base_compile will cause this to fail
-      # if we don't check for them as well.
-      *)
-	for z in $available_tags; do
-	  if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
-	    # Evaluate the configuration.
-	    eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
-	    CC_quoted=
-	    for arg in $CC; do
-	      # Double-quote args containing other shell metacharacters.
-	      func_append_quoted CC_quoted "$arg"
-	    done
-	    CC_expanded=`func_echo_all $CC`
-	    CC_quoted_expanded=`func_echo_all $CC_quoted`
-	    case "$@ " in
-	    " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
-	    " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*)
-	      # The compiler in the base compile command matches
-	      # the one in the tagged configuration.
-	      # Assume this is the tagged configuration we want.
-	      tagname=$z
-	      break
-	      ;;
-	    esac
-	  fi
-	done
-	# If $tagname still isn't set, then no tagged configuration
-	# was found and let the user know that the "--tag" command
-	# line option must be used.
-	if test -z "$tagname"; then
-	  func_echo "unable to infer tagged configuration"
-	  func_fatal_error "specify a tag with '--tag'"
-#	else
-#	  func_verbose "using $tagname tagged configuration"
-	fi
-	;;
-      esac
-    fi
-}
-
-
-
-# func_write_libtool_object output_name pic_name nonpic_name
-# Create a libtool object file (analogous to a ".la" file),
-# but don't create it if we're doing a dry run.
-func_write_libtool_object ()
-{
-    write_libobj=$1
-    if test yes = "$build_libtool_libs"; then
-      write_lobj=\'$2\'
-    else
-      write_lobj=none
-    fi
-
-    if test yes = "$build_old_libs"; then
-      write_oldobj=\'$3\'
-    else
-      write_oldobj=none
-    fi
-
-    $opt_dry_run || {
-      cat >${write_libobj}T <<EOF
-# $write_libobj - a libtool object file
-# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
-#
-# Please DO NOT delete this file!
-# It is necessary for linking the library.
-
-# Name of the PIC object.
-pic_object=$write_lobj
-
-# Name of the non-PIC object
-non_pic_object=$write_oldobj
-
-EOF
-      $MV "${write_libobj}T" "$write_libobj"
-    }
-}
-
-
-##################################################
-# FILE NAME AND PATH CONVERSION HELPER FUNCTIONS #
-##################################################
-
-# func_convert_core_file_wine_to_w32 ARG
-# Helper function used by file name conversion functions when $build is *nix,
-# and $host is mingw, cygwin, or some other w32 environment. Relies on a
-# correctly configured wine environment available, with the winepath program
-# in $build's $PATH.
-#
-# ARG is the $build file name to be converted to w32 format.
-# Result is available in $func_convert_core_file_wine_to_w32_result, and will
-# be empty on error (or when ARG is empty)
-func_convert_core_file_wine_to_w32 ()
-{
-  $debug_cmd
-
-  func_convert_core_file_wine_to_w32_result=$1
-  if test -n "$1"; then
-    # Unfortunately, winepath does not exit with a non-zero error code, so we
-    # are forced to check the contents of stdout. On the other hand, if the
-    # command is not found, the shell will set an exit code of 127 and print
-    # *an error message* to stdout. So we must check for both error code of
-    # zero AND non-empty stdout, which explains the odd construction:
-    func_convert_core_file_wine_to_w32_tmp=`winepath -w "$1" 2>/dev/null`
-    if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then
-      func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" |
-        $SED -e "$sed_naive_backslashify"`
-    else
-      func_convert_core_file_wine_to_w32_result=
-    fi
-  fi
-}
-# end: func_convert_core_file_wine_to_w32
-
-
-# func_convert_core_path_wine_to_w32 ARG
-# Helper function used by path conversion functions when $build is *nix, and
-# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly
-# configured wine environment available, with the winepath program in $build's
-# $PATH. Assumes ARG has no leading or trailing path separator characters.
-#
-# ARG is path to be converted from $build format to win32.
-# Result is available in $func_convert_core_path_wine_to_w32_result.
-# Unconvertible file (directory) names in ARG are skipped; if no directory names
-# are convertible, then the result may be empty.
-func_convert_core_path_wine_to_w32 ()
-{
-  $debug_cmd
-
-  # unfortunately, winepath doesn't convert paths, only file names
-  func_convert_core_path_wine_to_w32_result=
-  if test -n "$1"; then
-    oldIFS=$IFS
-    IFS=:
-    for func_convert_core_path_wine_to_w32_f in $1; do
-      IFS=$oldIFS
-      func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f"
-      if test -n "$func_convert_core_file_wine_to_w32_result"; then
-        if test -z "$func_convert_core_path_wine_to_w32_result"; then
-          func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result
-        else
-          func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result"
-        fi
-      fi
-    done
-    IFS=$oldIFS
-  fi
-}
-# end: func_convert_core_path_wine_to_w32
-
-
-# func_cygpath ARGS...
-# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when
-# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2)
-# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or
-# (2), returns the Cygwin file name or path in func_cygpath_result (input
-# file name or path is assumed to be in w32 format, as previously converted
-# from $build's *nix or MSYS format). In case (3), returns the w32 file name
-# or path in func_cygpath_result (input file name or path is assumed to be in
-# Cygwin format). Returns an empty string on error.
-#
-# ARGS are passed to cygpath, with the last one being the file name or path to
-# be converted.
-#
-# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH
-# environment variable; do not put it in $PATH.
-func_cygpath ()
-{
-  $debug_cmd
-
-  if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then
-    func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null`
-    if test "$?" -ne 0; then
-      # on failure, ensure result is empty
-      func_cygpath_result=
-    fi
-  else
-    func_cygpath_result=
-    func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'"
-  fi
-}
-#end: func_cygpath
-
-
-# func_convert_core_msys_to_w32 ARG
-# Convert file name or path ARG from MSYS format to w32 format.  Return
-# result in func_convert_core_msys_to_w32_result.
-func_convert_core_msys_to_w32 ()
-{
-  $debug_cmd
-
-  # awkward: cmd appends spaces to result
-  func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
-    $SED -e 's/ *$//' -e "$sed_naive_backslashify"`
-}
-#end: func_convert_core_msys_to_w32
-
-
-# func_convert_file_check ARG1 ARG2
-# Verify that ARG1 (a file name in $build format) was converted to $host
-# format in ARG2. Otherwise, emit an error message, but continue (resetting
-# func_to_host_file_result to ARG1).
-func_convert_file_check ()
-{
-  $debug_cmd
-
-  if test -z "$2" && test -n "$1"; then
-    func_error "Could not determine host file name corresponding to"
-    func_error "  '$1'"
-    func_error "Continuing, but uninstalled executables may not work."
-    # Fallback:
-    func_to_host_file_result=$1
-  fi
-}
-# end func_convert_file_check
-
-
-# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH
-# Verify that FROM_PATH (a path in $build format) was converted to $host
-# format in TO_PATH. Otherwise, emit an error message, but continue, resetting
-# func_to_host_file_result to a simplistic fallback value (see below).
-func_convert_path_check ()
-{
-  $debug_cmd
-
-  if test -z "$4" && test -n "$3"; then
-    func_error "Could not determine the host path corresponding to"
-    func_error "  '$3'"
-    func_error "Continuing, but uninstalled executables may not work."
-    # Fallback.  This is a deliberately simplistic "conversion" and
-    # should not be "improved".  See libtool.info.
-    if test "x$1" != "x$2"; then
-      lt_replace_pathsep_chars="s|$1|$2|g"
-      func_to_host_path_result=`echo "$3" |
-        $SED -e "$lt_replace_pathsep_chars"`
-    else
-      func_to_host_path_result=$3
-    fi
-  fi
-}
-# end func_convert_path_check
-
-
-# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG
-# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT
-# and appending REPL if ORIG matches BACKPAT.
-func_convert_path_front_back_pathsep ()
-{
-  $debug_cmd
-
-  case $4 in
-  $1 ) func_to_host_path_result=$3$func_to_host_path_result
-    ;;
-  esac
-  case $4 in
-  $2 ) func_append func_to_host_path_result "$3"
-    ;;
-  esac
-}
-# end func_convert_path_front_back_pathsep
-
-
-##################################################
-# $build to $host FILE NAME CONVERSION FUNCTIONS #
-##################################################
-# invoked via '$to_host_file_cmd ARG'
-#
-# In each case, ARG is the path to be converted from $build to $host format.
-# Result will be available in $func_to_host_file_result.
-
-
-# func_to_host_file ARG
-# Converts the file name ARG from $build format to $host format. Return result
-# in func_to_host_file_result.
-func_to_host_file ()
-{
-  $debug_cmd
-
-  $to_host_file_cmd "$1"
-}
-# end func_to_host_file
-
-
-# func_to_tool_file ARG LAZY
-# converts the file name ARG from $build format to toolchain format. Return
-# result in func_to_tool_file_result.  If the conversion in use is listed
-# in (the comma separated) LAZY, no conversion takes place.
-func_to_tool_file ()
-{
-  $debug_cmd
-
-  case ,$2, in
-    *,"$to_tool_file_cmd",*)
-      func_to_tool_file_result=$1
-      ;;
-    *)
-      $to_tool_file_cmd "$1"
-      func_to_tool_file_result=$func_to_host_file_result
-      ;;
-  esac
-}
-# end func_to_tool_file
-
-
-# func_convert_file_noop ARG
-# Copy ARG to func_to_host_file_result.
-func_convert_file_noop ()
-{
-  func_to_host_file_result=$1
-}
-# end func_convert_file_noop
-
-
-# func_convert_file_msys_to_w32 ARG
-# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic
-# conversion to w32 is not available inside the cwrapper.  Returns result in
-# func_to_host_file_result.
-func_convert_file_msys_to_w32 ()
-{
-  $debug_cmd
-
-  func_to_host_file_result=$1
-  if test -n "$1"; then
-    func_convert_core_msys_to_w32 "$1"
-    func_to_host_file_result=$func_convert_core_msys_to_w32_result
-  fi
-  func_convert_file_check "$1" "$func_to_host_file_result"
-}
-# end func_convert_file_msys_to_w32
-
-
-# func_convert_file_cygwin_to_w32 ARG
-# Convert file name ARG from Cygwin to w32 format.  Returns result in
-# func_to_host_file_result.
-func_convert_file_cygwin_to_w32 ()
-{
-  $debug_cmd
-
-  func_to_host_file_result=$1
-  if test -n "$1"; then
-    # because $build is cygwin, we call "the" cygpath in $PATH; no need to use
-    # LT_CYGPATH in this case.
-    func_to_host_file_result=`cygpath -m "$1"`
-  fi
-  func_convert_file_check "$1" "$func_to_host_file_result"
-}
-# end func_convert_file_cygwin_to_w32
-
-
-# func_convert_file_nix_to_w32 ARG
-# Convert file name ARG from *nix to w32 format.  Requires a wine environment
-# and a working winepath. Returns result in func_to_host_file_result.
-func_convert_file_nix_to_w32 ()
-{
-  $debug_cmd
-
-  func_to_host_file_result=$1
-  if test -n "$1"; then
-    func_convert_core_file_wine_to_w32 "$1"
-    func_to_host_file_result=$func_convert_core_file_wine_to_w32_result
-  fi
-  func_convert_file_check "$1" "$func_to_host_file_result"
-}
-# end func_convert_file_nix_to_w32
-
-
-# func_convert_file_msys_to_cygwin ARG
-# Convert file name ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
-# Returns result in func_to_host_file_result.
-func_convert_file_msys_to_cygwin ()
-{
-  $debug_cmd
-
-  func_to_host_file_result=$1
-  if test -n "$1"; then
-    func_convert_core_msys_to_w32 "$1"
-    func_cygpath -u "$func_convert_core_msys_to_w32_result"
-    func_to_host_file_result=$func_cygpath_result
-  fi
-  func_convert_file_check "$1" "$func_to_host_file_result"
-}
-# end func_convert_file_msys_to_cygwin
-
-
-# func_convert_file_nix_to_cygwin ARG
-# Convert file name ARG from *nix to Cygwin format.  Requires Cygwin installed
-# in a wine environment, working winepath, and LT_CYGPATH set.  Returns result
-# in func_to_host_file_result.
-func_convert_file_nix_to_cygwin ()
-{
-  $debug_cmd
-
-  func_to_host_file_result=$1
-  if test -n "$1"; then
-    # convert from *nix to w32, then use cygpath to convert from w32 to cygwin.
-    func_convert_core_file_wine_to_w32 "$1"
-    func_cygpath -u "$func_convert_core_file_wine_to_w32_result"
-    func_to_host_file_result=$func_cygpath_result
-  fi
-  func_convert_file_check "$1" "$func_to_host_file_result"
-}
-# end func_convert_file_nix_to_cygwin
-
-
-#############################################
-# $build to $host PATH CONVERSION FUNCTIONS #
-#############################################
-# invoked via '$to_host_path_cmd ARG'
-#
-# In each case, ARG is the path to be converted from $build to $host format.
-# The result will be available in $func_to_host_path_result.
-#
-# Path separators are also converted from $build format to $host format.  If
-# ARG begins or ends with a path separator character, it is preserved (but
-# converted to $host format) on output.
-#
-# All path conversion functions are named using the following convention:
-#   file name conversion function    : func_convert_file_X_to_Y ()
-#   path conversion function         : func_convert_path_X_to_Y ()
-# where, for any given $build/$host combination the 'X_to_Y' value is the
-# same.  If conversion functions are added for new $build/$host combinations,
-# the two new functions must follow this pattern, or func_init_to_host_path_cmd
-# will break.
-
-
-# func_init_to_host_path_cmd
-# Ensures that function "pointer" variable $to_host_path_cmd is set to the
-# appropriate value, based on the value of $to_host_file_cmd.
-to_host_path_cmd=
-func_init_to_host_path_cmd ()
-{
-  $debug_cmd
-
-  if test -z "$to_host_path_cmd"; then
-    func_stripname 'func_convert_file_' '' "$to_host_file_cmd"
-    to_host_path_cmd=func_convert_path_$func_stripname_result
-  fi
-}
-
-
-# func_to_host_path ARG
-# Converts the path ARG from $build format to $host format. Return result
-# in func_to_host_path_result.
-func_to_host_path ()
-{
-  $debug_cmd
-
-  func_init_to_host_path_cmd
-  $to_host_path_cmd "$1"
-}
-# end func_to_host_path
-
-
-# func_convert_path_noop ARG
-# Copy ARG to func_to_host_path_result.
-func_convert_path_noop ()
-{
-  func_to_host_path_result=$1
-}
-# end func_convert_path_noop
-
-
-# func_convert_path_msys_to_w32 ARG
-# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic
-# conversion to w32 is not available inside the cwrapper.  Returns result in
-# func_to_host_path_result.
-func_convert_path_msys_to_w32 ()
-{
-  $debug_cmd
-
-  func_to_host_path_result=$1
-  if test -n "$1"; then
-    # Remove leading and trailing path separator characters from ARG.  MSYS
-    # behavior is inconsistent here; cygpath turns them into '.;' and ';.';
-    # and winepath ignores them completely.
-    func_stripname : : "$1"
-    func_to_host_path_tmp1=$func_stripname_result
-    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
-    func_to_host_path_result=$func_convert_core_msys_to_w32_result
-    func_convert_path_check : ";" \
-      "$func_to_host_path_tmp1" "$func_to_host_path_result"
-    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
-  fi
-}
-# end func_convert_path_msys_to_w32
-
-
-# func_convert_path_cygwin_to_w32 ARG
-# Convert path ARG from Cygwin to w32 format.  Returns result in
-# func_to_host_file_result.
-func_convert_path_cygwin_to_w32 ()
-{
-  $debug_cmd
-
-  func_to_host_path_result=$1
-  if test -n "$1"; then
-    # See func_convert_path_msys_to_w32:
-    func_stripname : : "$1"
-    func_to_host_path_tmp1=$func_stripname_result
-    func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"`
-    func_convert_path_check : ";" \
-      "$func_to_host_path_tmp1" "$func_to_host_path_result"
-    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
-  fi
-}
-# end func_convert_path_cygwin_to_w32
-
-
-# func_convert_path_nix_to_w32 ARG
-# Convert path ARG from *nix to w32 format.  Requires a wine environment and
-# a working winepath.  Returns result in func_to_host_file_result.
-func_convert_path_nix_to_w32 ()
-{
-  $debug_cmd
-
-  func_to_host_path_result=$1
-  if test -n "$1"; then
-    # See func_convert_path_msys_to_w32:
-    func_stripname : : "$1"
-    func_to_host_path_tmp1=$func_stripname_result
-    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
-    func_to_host_path_result=$func_convert_core_path_wine_to_w32_result
-    func_convert_path_check : ";" \
-      "$func_to_host_path_tmp1" "$func_to_host_path_result"
-    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
-  fi
-}
-# end func_convert_path_nix_to_w32
-
-
-# func_convert_path_msys_to_cygwin ARG
-# Convert path ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
-# Returns result in func_to_host_file_result.
-func_convert_path_msys_to_cygwin ()
-{
-  $debug_cmd
-
-  func_to_host_path_result=$1
-  if test -n "$1"; then
-    # See func_convert_path_msys_to_w32:
-    func_stripname : : "$1"
-    func_to_host_path_tmp1=$func_stripname_result
-    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
-    func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
-    func_to_host_path_result=$func_cygpath_result
-    func_convert_path_check : : \
-      "$func_to_host_path_tmp1" "$func_to_host_path_result"
-    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
-  fi
-}
-# end func_convert_path_msys_to_cygwin
-
-
-# func_convert_path_nix_to_cygwin ARG
-# Convert path ARG from *nix to Cygwin format.  Requires Cygwin installed in a
-# a wine environment, working winepath, and LT_CYGPATH set.  Returns result in
-# func_to_host_file_result.
-func_convert_path_nix_to_cygwin ()
-{
-  $debug_cmd
-
-  func_to_host_path_result=$1
-  if test -n "$1"; then
-    # Remove leading and trailing path separator characters from
-    # ARG. msys behavior is inconsistent here, cygpath turns them
-    # into '.;' and ';.', and winepath ignores them completely.
-    func_stripname : : "$1"
-    func_to_host_path_tmp1=$func_stripname_result
-    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
-    func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result"
-    func_to_host_path_result=$func_cygpath_result
-    func_convert_path_check : : \
-      "$func_to_host_path_tmp1" "$func_to_host_path_result"
-    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
-  fi
-}
-# end func_convert_path_nix_to_cygwin
-
-
-# func_dll_def_p FILE
-# True iff FILE is a Windows DLL '.def' file.
-# Keep in sync with _LT_DLL_DEF_P in libtool.m4
-func_dll_def_p ()
-{
-  $debug_cmd
-
-  func_dll_def_p_tmp=`$SED -n \
-    -e 's/^	 *//' \
-    -e '/^$;.*$*$/d' \
-    -e 's/^$EXPORTS\|LIBRARY$$	 .*$*$/DEF/p' \
-    -e q \
-    "$1"`
-  test DEF = "$func_dll_def_p_tmp"
-}
-
-
-# func_mode_compile arg...
-func_mode_compile ()
-{
-    $debug_cmd
-
-    # Get the compilation command and the source file.
-    base_compile=
-    srcfile=$nonopt  #  always keep a non-empty value in "srcfile"
-    suppress_opt=yes
-    suppress_output=
-    arg_mode=normal
-    libobj=
-    later=
-    pie_flag=
-
-    for arg
-    do
-      case $arg_mode in
-      arg  )
-	# do not "continue".  Instead, add this to base_compile
-	lastarg=$arg
-	arg_mode=normal
-	;;
-
-      target )
-	libobj=$arg
-	arg_mode=normal
-	continue
-	;;
-
-      normal )
-	# Accept any command-line options.
-	case $arg in
-	-o)
-	  test -n "$libobj" && \
-	    func_fatal_error "you cannot specify '-o' more than once"
-	  arg_mode=target
-	  continue
-	  ;;
-
-	-pie | -fpie | -fPIE)
-          func_append pie_flag " $arg"
-	  continue
-	  ;;
-
-	-shared | -static | -prefer-pic | -prefer-non-pic)
-	  func_append later " $arg"
-	  continue
-	  ;;
-
-	-no-suppress)
-	  suppress_opt=no
-	  continue
-	  ;;
-
-	-Xcompiler)
-	  arg_mode=arg  #  the next one goes into the "base_compile" arg list
-	  continue      #  The current "srcfile" will either be retained or
-	  ;;            #  replaced later.  I would guess that would be a bug.
-
-	-Wc,*)
-	  func_stripname '-Wc,' '' "$arg"
-	  args=$func_stripname_result
-	  lastarg=
-	  save_ifs=$IFS; IFS=,
-	  for arg in $args; do
-	    IFS=$save_ifs
-	    func_append_quoted lastarg "$arg"
-	  done
-	  IFS=$save_ifs
-	  func_stripname ' ' '' "$lastarg"
-	  lastarg=$func_stripname_result
-
-	  # Add the arguments to base_compile.
-	  func_append base_compile " $lastarg"
-	  continue
-	  ;;
-
-	*)
-	  # Accept the current argument as the source file.
-	  # The previous "srcfile" becomes the current argument.
-	  #
-	  lastarg=$srcfile
-	  srcfile=$arg
-	  ;;
-	esac  #  case $arg
-	;;
-      esac    #  case $arg_mode
-
-      # Aesthetically quote the previous argument.
-      func_append_quoted base_compile "$lastarg"
-    done # for arg
-
-    case $arg_mode in
-    arg)
-      func_fatal_error "you must specify an argument for -Xcompile"
-      ;;
-    target)
-      func_fatal_error "you must specify a target with '-o'"
-      ;;
-    *)
-      # Get the name of the library object.
-      test -z "$libobj" && {
-	func_basename "$srcfile"
-	libobj=$func_basename_result
-      }
-      ;;
-    esac
-
-    # Recognize several different file suffixes.
-    # If the user specifies -o file.o, it is replaced with file.lo
-    case $libobj in
-    *.cCFSifmso | \
-    *.ada | *.adb | *.ads | *.asm | \
-    *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
-    *.fF09? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
-      func_xform "$libobj"
-      libobj=$func_xform_result
-      ;;
-    esac
-
-    case $libobj in
-    *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
-    *)
-      func_fatal_error "cannot determine name of library object from '$libobj'"
-      ;;
-    esac
-
-    func_infer_tag $base_compile
-
-    for arg in $later; do
-      case $arg in
-      -shared)
-	test yes = "$build_libtool_libs" \
-	  || func_fatal_configuration "cannot build a shared library"
-	build_old_libs=no
-	continue
-	;;
-
-      -static)
-	build_libtool_libs=no
-	build_old_libs=yes
-	continue
-	;;
-
-      -prefer-pic)
-	pic_mode=yes
-	continue
-	;;
-
-      -prefer-non-pic)
-	pic_mode=no
-	continue
-	;;
-      esac
-    done
-
-    func_quote_for_eval "$libobj"
-    test "X$libobj" != "X$func_quote_for_eval_result" \
-      && $ECHO "X$libobj" | $GREP '~#^*{};<>?"'"'"'	 &()|`$' \
-      && func_warning "libobj name '$libobj' may not contain shell special characters."
-    func_dirname_and_basename "$obj" "/" ""
-    objname=$func_basename_result
-    xdir=$func_dirname_result
-    lobj=$xdir$objdir/$objname
-
-    test -z "$base_compile" && \
-      func_fatal_help "you must specify a compilation command"
-
-    # Delete any leftover library objects.
-    if test yes = "$build_old_libs"; then
-      removelist="$obj $lobj $libobj ${libobj}T"
-    else
-      removelist="$lobj $libobj ${libobj}T"
-    fi
-
-    # On Cygwin there's no "real" PIC flag so we must build both object types
-    case $host_os in
-    cygwin* | mingw* | pw32* | os2* | cegcc*)
-      pic_mode=default
-      ;;
-    esac
-    if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then
-      # non-PIC code in shared libraries is not supported
-      pic_mode=default
-    fi
-
-    # Calculate the filename of the output object if compiler does
-    # not support -o with -c
-    if test no = "$compiler_c_o"; then
-      output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.^.*$%%'`.$objext
-      lockfile=$output_obj.lock
-    else
-      output_obj=
-      need_locks=no
-      lockfile=
-    fi
-
-    # Lock this critical section if it is needed
-    # We use this script file to make the link, it avoids creating a new file
-    if test yes = "$need_locks"; then
-      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
-	func_echo "Waiting for $lockfile to be removed"
-	sleep 2
-      done
-    elif test warn = "$need_locks"; then
-      if test -f "$lockfile"; then
-	$ECHO "\
-*** ERROR, $lockfile exists and contains:
-`cat $lockfile 2>/dev/null`
-
-This indicates that another process is trying to use the same
-temporary object file, and libtool could not work around it because
-your compiler does not support '-c' and '-o' together.  If you
-repeat this compilation, it may succeed, by chance, but you had better
-avoid parallel builds (make -j) in this platform, or get a better
-compiler."
-
-	$opt_dry_run || $RM $removelist
-	exit $EXIT_FAILURE
-      fi
-      func_append removelist " $output_obj"
-      $ECHO "$srcfile" > "$lockfile"
-    fi
-
-    $opt_dry_run || $RM $removelist
-    func_append removelist " $lockfile"
-    trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
-
-    func_to_tool_file "$srcfile" func_convert_file_msys_to_w32
-    srcfile=$func_to_tool_file_result
-    func_quote_for_eval "$srcfile"
-    qsrcfile=$func_quote_for_eval_result
-
-    # Only build a PIC object if we are building libtool libraries.
-    if test yes = "$build_libtool_libs"; then
-      # Without this assignment, base_compile gets emptied.
-      fbsd_hideous_sh_bug=$base_compile
-
-      if test no != "$pic_mode"; then
-	command="$base_compile $qsrcfile $pic_flag"
-      else
-	# Don't build PIC code
-	command="$base_compile $qsrcfile"
-      fi
-
-      func_mkdir_p "$xdir$objdir"
-
-      if test -z "$output_obj"; then
-	# Place PIC objects in $objdir
-	func_append command " -o $lobj"
-      fi
-
-      func_show_eval_locale "$command"	\
-          'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
-
-      if test warn = "$need_locks" &&
-	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
-	$ECHO "\
-*** ERROR, $lockfile contains:
-`cat $lockfile 2>/dev/null`
-
-but it should contain:
-$srcfile
-
-This indicates that another process is trying to use the same
-temporary object file, and libtool could not work around it because
-your compiler does not support '-c' and '-o' together.  If you
-repeat this compilation, it may succeed, by chance, but you had better
-avoid parallel builds (make -j) in this platform, or get a better
-compiler."
-
-	$opt_dry_run || $RM $removelist
-	exit $EXIT_FAILURE
-      fi
-
-      # Just move the object if needed, then go on to compile the next one
-      if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
-	func_show_eval '$MV "$output_obj" "$lobj"' \
-	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
-      fi
-
-      # Allow error messages only from the first compilation.
-      if test yes = "$suppress_opt"; then
-	suppress_output=' >/dev/null 2>&1'
-      fi
-    fi
-
-    # Only build a position-dependent object if we build old libraries.
-    if test yes = "$build_old_libs"; then
-      if test yes != "$pic_mode"; then
-	# Don't build PIC code
-	command="$base_compile $qsrcfile$pie_flag"
-      else
-	command="$base_compile $qsrcfile $pic_flag"
-      fi
-      if test yes = "$compiler_c_o"; then
-	func_append command " -o $obj"
-      fi
-
-      # Suppress compiler output if we already did a PIC compilation.
-      func_append command "$suppress_output"
-      func_show_eval_locale "$command" \
-        '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
-
-      if test warn = "$need_locks" &&
-	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
-	$ECHO "\
-*** ERROR, $lockfile contains:
-`cat $lockfile 2>/dev/null`
-
-but it should contain:
-$srcfile
-
-This indicates that another process is trying to use the same
-temporary object file, and libtool could not work around it because
-your compiler does not support '-c' and '-o' together.  If you
-repeat this compilation, it may succeed, by chance, but you had better
-avoid parallel builds (make -j) in this platform, or get a better
-compiler."
-
-	$opt_dry_run || $RM $removelist
-	exit $EXIT_FAILURE
-      fi
-
-      # Just move the object if needed
-      if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
-	func_show_eval '$MV "$output_obj" "$obj"' \
-	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
-      fi
-    fi
-
-    $opt_dry_run || {
-      func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
-
-      # Unlock the critical section if it was locked
-      if test no != "$need_locks"; then
-	removelist=$lockfile
-        $RM "$lockfile"
-      fi
-    }
-
-    exit $EXIT_SUCCESS
-}
-
-$opt_help || {
-  test compile = "$opt_mode" && func_mode_compile ${1+"$@"}
-}
-
-func_mode_help ()
-{
-    # We need to display help for each of the modes.
-    case $opt_mode in
-      "")
-        # Generic help is extracted from the usage comments
-        # at the start of this file.
-        func_help
-        ;;
-
-      clean)
-        $ECHO \
-"Usage: $progname OPTION... --mode=clean RM RM-OPTION... FILE...
-
-Remove files from the build directory.
-
-RM is the name of the program to use to delete files associated with each FILE
-(typically '/bin/rm').  RM-OPTIONS are options (such as '-f') to be passed
-to RM.
-
-If FILE is a libtool library, object or program, all the files associated
-with it are deleted. Otherwise, only FILE itself is deleted using RM."
-        ;;
-
-      compile)
-      $ECHO \
-"Usage: $progname OPTION... --mode=compile COMPILE-COMMAND... SOURCEFILE
-
-Compile a source file into a libtool library object.
-
-This mode accepts the following additional options:
-
-  -o OUTPUT-FILE    set the output file name to OUTPUT-FILE
-  -no-suppress      do not suppress compiler output for multiple passes
-  -prefer-pic       try to build PIC objects only
-  -prefer-non-pic   try to build non-PIC objects only
-  -shared           do not build a '.o' file suitable for static linking
-  -static           only build a '.o' file suitable for static linking
-  -Wc,FLAG          pass FLAG directly to the compiler
-
-COMPILE-COMMAND is a command to be used in creating a 'standard' object file
-from the given SOURCEFILE.
-
-The output file name is determined by removing the directory component from
-SOURCEFILE, then substituting the C source code suffix '.c' with the
-library object suffix, '.lo'."
-        ;;
-
-      execute)
-        $ECHO \
-"Usage: $progname OPTION... --mode=execute COMMAND ARGS...
-
-Automatically set library path, then run a program.
-
-This mode accepts the following additional options:
-
-  -dlopen FILE      add the directory containing FILE to the library path
-
-This mode sets the library path environment variable according to '-dlopen'
-flags.
-
-If any of the ARGS are libtool executable wrappers, then they are translated
-into their corresponding uninstalled binary, and any of their required library
-directories are added to the library path.
-
-Then, COMMAND is executed, with ARGS as arguments."
-        ;;
-
-      finish)
-        $ECHO \
-"Usage: $progname OPTION... --mode=finish LIBDIR...
-
-Complete the installation of libtool libraries.
-
-Each LIBDIR is a directory that contains libtool libraries.
-
-The commands that this mode executes may require superuser privileges.  Use
-the '--dry-run' option if you just want to see what would be executed."
-        ;;
-
-      install)
-        $ECHO \
-"Usage: $progname OPTION... --mode=install INSTALL-COMMAND...
-
-Install executables or libraries.
-
-INSTALL-COMMAND is the installation command.  The first component should be
-either the 'install' or 'cp' program.
-
-The following components of INSTALL-COMMAND are treated specially:
-
-  -inst-prefix-dir PREFIX-DIR  Use PREFIX-DIR as a staging area for installation
-
-The rest of the components are interpreted as arguments to that command (only
-BSD-compatible install options are recognized)."
-        ;;
-
-      link)
-        $ECHO \
-"Usage: $progname OPTION... --mode=link LINK-COMMAND...
-
-Link object files or libraries together to form another library, or to
-create an executable program.
-
-LINK-COMMAND is a command using the C compiler that you would use to create
-a program from several object files.
-
-The following components of LINK-COMMAND are treated specially:
-
-  -all-static       do not do any dynamic linking at all
-  -avoid-version    do not add a version suffix if possible
-  -bindir BINDIR    specify path to binaries directory (for systems where
-                    libraries must be found in the PATH setting at runtime)
-  -dlopen FILE      '-dlpreopen' FILE if it cannot be dlopened at runtime
-  -dlpreopen FILE   link in FILE and add its symbols to lt_preloaded_symbols
-  -export-dynamic   allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
-  -export-symbols SYMFILE
-                    try to export only the symbols listed in SYMFILE
-  -export-symbols-regex REGEX
-                    try to export only the symbols matching REGEX
-  -LLIBDIR          search LIBDIR for required installed libraries
-  -lNAME            OUTPUT-FILE requires the installed library libNAME
-  -module           build a library that can dlopened
-  -no-fast-install  disable the fast-install mode
-  -no-install       link a not-installable executable
-  -no-undefined     declare that a library does not refer to external symbols
-  -o OUTPUT-FILE    create OUTPUT-FILE from the specified objects
-  -objectlist FILE  use a list of object files found in FILE to specify objects
-  -os2dllname NAME  force a short DLL name on OS/2 (no effect on other OSes)
-  -precious-files-regex REGEX
-                    don't remove output files matching REGEX
-  -release RELEASE  specify package release information
-  -rpath LIBDIR     the created library will eventually be installed in LIBDIR
-  -R LIBDIR       add LIBDIR to the runtime path of programs and libraries
-  -shared           only do dynamic linking of libtool libraries
-  -shrext SUFFIX    override the standard shared library file extension
-  -static           do not do any dynamic linking of uninstalled libtool libraries
-  -static-libtool-libs
-                    do not do any dynamic linking of libtool libraries
-  -version-info CURRENT:REVISION:AGE
-                    specify library version info each variable defaults to 0
-  -weak LIBNAME     declare that the target provides the LIBNAME interface
-  -Wc,FLAG
-  -Xcompiler FLAG   pass linker-specific FLAG directly to the compiler
-  -Wl,FLAG
-  -Xlinker FLAG     pass linker-specific FLAG directly to the linker
-  -XCClinker FLAG   pass link-specific FLAG to the compiler driver (CC)
-
-All other options (arguments beginning with '-') are ignored.
-
-Every other argument is treated as a filename.  Files ending in '.la' are
-treated as uninstalled libtool libraries, other files are standard or library
-object files.
-
-If the OUTPUT-FILE ends in '.la', then a libtool library is created,
-only library objects ('.lo' files) may be specified, and '-rpath' is
-required, except when creating a convenience library.
-
-If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created
-using 'ar' and 'ranlib', or on Windows using 'lib'.
-
-If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file
-is created, otherwise an executable program is created."
-        ;;
-
-      uninstall)
-        $ECHO \
-"Usage: $progname OPTION... --mode=uninstall RM RM-OPTION... FILE...
-
-Remove libraries from an installation directory.
-
-RM is the name of the program to use to delete files associated with each FILE
-(typically '/bin/rm').  RM-OPTIONS are options (such as '-f') to be passed
-to RM.
-
-If FILE is a libtool library, all the files associated with it are deleted.
-Otherwise, only FILE itself is deleted using RM."
-        ;;
-
-      *)
-        func_fatal_help "invalid operation mode '$opt_mode'"
-        ;;
-    esac
-
-    echo
-    $ECHO "Try '$progname --help' for more information about other modes."
-}
-
-# Now that we've collected a possible --mode arg, show help if necessary
-if $opt_help; then
-  if test : = "$opt_help"; then
-    func_mode_help
-  else
-    {
-      func_help noexit
-      for opt_mode in compile link execute install finish uninstall clean; do
-	func_mode_help
-      done
-    } | $SED -n '1p; 2,$s/^Usage:/  or: /p'
-    {
-      func_help noexit
-      for opt_mode in compile link execute install finish uninstall clean; do
-	echo
-	func_mode_help
-      done
-    } |
-    $SED '1d
-      /^When reporting/,/^Report/{
-	H
-	d
-      }
-      $x
-      /information about other modes/d
-      /more detailed .*MODE/d
-      s/^Usage:.*--mode=$^ *$ .*/Description of \1 mode:/'
-  fi
-  exit $?
-fi
-
-
-# func_mode_execute arg...
-func_mode_execute ()
-{
-    $debug_cmd
-
-    # The first argument is the command name.
-    cmd=$nonopt
-    test -z "$cmd" && \
-      func_fatal_help "you must specify a COMMAND"
-
-    # Handle -dlopen flags immediately.
-    for file in $opt_dlopen; do
-      test -f "$file" \
-	|| func_fatal_help "'$file' is not a file"
-
-      dir=
-      case $file in
-      *.la)
-	func_resolve_sysroot "$file"
-	file=$func_resolve_sysroot_result
-
-	# Check to see that this really is a libtool archive.
-	func_lalib_unsafe_p "$file" \
-	  || func_fatal_help "'$lib' is not a valid libtool archive"
-
-	# Read the libtool library.
-	dlname=
-	library_names=
-	func_source "$file"
-
-	# Skip this library if it cannot be dlopened.
-	if test -z "$dlname"; then
-	  # Warn if it was a shared library.
-	  test -n "$library_names" && \
-	    func_warning "'$file' was not linked with '-export-dynamic'"
-	  continue
-	fi
-
-	func_dirname "$file" "" "."
-	dir=$func_dirname_result
-
-	if test -f "$dir/$objdir/$dlname"; then
-	  func_append dir "/$objdir"
-	else
-	  if test ! -f "$dir/$dlname"; then
-	    func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'"
-	  fi
-	fi
-	;;
-
-      *.lo)
-	# Just add the directory containing the .lo file.
-	func_dirname "$file" "" "."
-	dir=$func_dirname_result
-	;;
-
-      *)
-	func_warning "'-dlopen' is ignored for non-libtool libraries and objects"
-	continue
-	;;
-      esac
-
-      # Get the absolute pathname.
-      absdir=`cd "$dir" && pwd`
-      test -n "$absdir" && dir=$absdir
-
-      # Now add the directory to shlibpath_var.
-      if eval "test -z \"\$$shlibpath_var\""; then
-	eval "$shlibpath_var=\"\$dir\""
-      else
-	eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
-      fi
-    done
-
-    # This variable tells wrapper scripts just to set shlibpath_var
-    # rather than running their programs.
-    libtool_execute_magic=$magic
-
-    # Check if any of the arguments is a wrapper script.
-    args=
-    for file
-    do
-      case $file in
-      -* | *.la | *.lo ) ;;
-      *)
-	# Do a test to see if this is really a libtool program.
-	if func_ltwrapper_script_p "$file"; then
-	  func_source "$file"
-	  # Transform arg to wrapped name.
-	  file=$progdir/$program
-	elif func_ltwrapper_executable_p "$file"; then
-	  func_ltwrapper_scriptname "$file"
-	  func_source "$func_ltwrapper_scriptname_result"
-	  # Transform arg to wrapped name.
-	  file=$progdir/$program
-	fi
-	;;
-      esac
-      # Quote arguments (to preserve shell metacharacters).
-      func_append_quoted args "$file"
-    done
-
-    if $opt_dry_run; then
-      # Display what would be done.
-      if test -n "$shlibpath_var"; then
-	eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
-	echo "export $shlibpath_var"
-      fi
-      $ECHO "$cmd$args"
-      exit $EXIT_SUCCESS
-    else
-      if test -n "$shlibpath_var"; then
-	# Export the shlibpath_var.
-	eval "export $shlibpath_var"
-      fi
-
-      # Restore saved environment variables
-      for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
-      do
-	eval "if test \"\${save_$lt_var+set}\" = set; then
-                $lt_var=\$save_$lt_var; export $lt_var
-	      else
-		$lt_unset $lt_var
-	      fi"
-      done
-
-      # Now prepare to actually exec the command.
-      exec_cmd=\$cmd$args
-    fi
-}
-
-test execute = "$opt_mode" && func_mode_execute ${1+"$@"}
-
-
-# func_mode_finish arg...
-func_mode_finish ()
-{
-    $debug_cmd
-
-    libs=
-    libdirs=
-    admincmds=
-
-    for opt in "$nonopt" ${1+"$@"}
-    do
-      if test -d "$opt"; then
-	func_append libdirs " $opt"
-
-      elif test -f "$opt"; then
-	if func_lalib_unsafe_p "$opt"; then
-	  func_append libs " $opt"
-	else
-	  func_warning "'$opt' is not a valid libtool archive"
-	fi
-
-      else
-	func_fatal_error "invalid argument '$opt'"
-      fi
-    done
-
-    if test -n "$libs"; then
-      if test -n "$lt_sysroot"; then
-        sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"`
-        sysroot_cmd="s/$ '$$sysroot_regex/\1/g;"
-      else
-        sysroot_cmd=
-      fi
-
-      # Remove sysroot references
-      if $opt_dry_run; then
-        for lib in $libs; do
-          echo "removing references to $lt_sysroot and '=' prefixes from $lib"
-        done
-      else
-        tmpdir=`func_mktempdir`
-        for lib in $libs; do
-	  $SED -e "$sysroot_cmd s/$ '-LR$=/\1/g; s/$ '$=/\1/g" $lib \
-	    > $tmpdir/tmp-la
-	  mv -f $tmpdir/tmp-la $lib
-	done
-        ${RM}r "$tmpdir"
-      fi
-    fi
-
-    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
-      for libdir in $libdirs; do
-	if test -n "$finish_cmds"; then
-	  # Do each command in the finish commands.
-	  func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
-'"$cmd"'"'
-	fi
-	if test -n "$finish_eval"; then
-	  # Do the single finish_eval.
-	  eval cmds=\"$finish_eval\"
-	  $opt_dry_run || eval "$cmds" || func_append admincmds "
-       $cmds"
-	fi
-      done
-    fi
-
-    # Exit here if they wanted silent mode.
-    $opt_quiet && exit $EXIT_SUCCESS
-
-    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
-      echo "----------------------------------------------------------------------"
-      echo "Libraries have been installed in:"
-      for libdir in $libdirs; do
-	$ECHO "   $libdir"
-      done
-      echo
-      echo "If you ever happen to want to link against installed libraries"
-      echo "in a given directory, LIBDIR, you must either use libtool, and"
-      echo "specify the full pathname of the library, or use the '-LLIBDIR'"
-      echo "flag during linking and do at least one of the following:"
-      if test -n "$shlibpath_var"; then
-	echo "   - add LIBDIR to the '$shlibpath_var' environment variable"
-	echo "     during execution"
-      fi
-      if test -n "$runpath_var"; then
-	echo "   - add LIBDIR to the '$runpath_var' environment variable"
-	echo "     during linking"
-      fi
-      if test -n "$hardcode_libdir_flag_spec"; then
-	libdir=LIBDIR
-	eval flag=\"$hardcode_libdir_flag_spec\"
-
-	$ECHO "   - use the '$flag' linker flag"
-      fi
-      if test -n "$admincmds"; then
-	$ECHO "   - have your system administrator run these commands:$admincmds"
-      fi
-      if test -f /etc/ld.so.conf; then
-	echo "   - have your system administrator add LIBDIR to '/etc/ld.so.conf'"
-      fi
-      echo
-
-      echo "See any operating system documentation about shared libraries for"
-      case $host in
-	solaris2.6789|solaris2.10-9)
-	  echo "more information, such as the ld(1), crle(1) and ld.so(8) manual"
-	  echo "pages."
-	  ;;
-	*)
-	  echo "more information, such as the ld(1) and ld.so(8) manual pages."
-	  ;;
-      esac
-      echo "----------------------------------------------------------------------"
-    fi
-    exit $EXIT_SUCCESS
-}
-
-test finish = "$opt_mode" && func_mode_finish ${1+"$@"}
-
-
-# func_mode_install arg...
-func_mode_install ()
-{
-    $debug_cmd
-
-    # There may be an optional sh(1) argument at the beginning of
-    # install_prog (especially on Windows NT).
-    if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" ||
-       # Allow the use of GNU shtool's install command.
-       case $nonopt in *shtool*) :;; *) false;; esac
-    then
-      # Aesthetically quote it.
-      func_quote_for_eval "$nonopt"
-      install_prog="$func_quote_for_eval_result "
-      arg=$1
-      shift
-    else
-      install_prog=
-      arg=$nonopt
-    fi
-
-    # The real first argument should be the name of the installation program.
-    # Aesthetically quote it.
-    func_quote_for_eval "$arg"
-    func_append install_prog "$func_quote_for_eval_result"
-    install_shared_prog=$install_prog
-    case " $install_prog " in
-      *\\\ /cp\ *) install_cp=: ;;
-      *) install_cp=false ;;
-    esac
-
-    # We need to accept at least all the BSD install flags.
-    dest=
-    files=
-    opts=
-    prev=
-    install_type=
-    isdir=false
-    stripme=
-    no_mode=:
-    for arg
-    do
-      arg2=
-      if test -n "$dest"; then
-	func_append files " $dest"
-	dest=$arg
-	continue
-      fi
-
-      case $arg in
-      -d) isdir=: ;;
-      -f)
-	if $install_cp; then :; else
-	  prev=$arg
-	fi
-	;;
-      -g | -m | -o)
-	prev=$arg
-	;;
-      -s)
-	stripme=" -s"
-	continue
-	;;
-      -*)
-	;;
-      *)
-	# If the previous option needed an argument, then skip it.
-	if test -n "$prev"; then
-	  if test X-m = "X$prev" && test -n "$install_override_mode"; then
-	    arg2=$install_override_mode
-	    no_mode=false
-	  fi
-	  prev=
-	else
-	  dest=$arg
-	  continue
-	fi
-	;;
-      esac
-
-      # Aesthetically quote the argument.
-      func_quote_for_eval "$arg"
-      func_append install_prog " $func_quote_for_eval_result"
-      if test -n "$arg2"; then
-	func_quote_for_eval "$arg2"
-      fi
-      func_append install_shared_prog " $func_quote_for_eval_result"
-    done
-
-    test -z "$install_prog" && \
-      func_fatal_help "you must specify an install program"
-
-    test -n "$prev" && \
-      func_fatal_help "the '$prev' option requires an argument"
-
-    if test -n "$install_override_mode" && $no_mode; then
-      if $install_cp; then :; else
-	func_quote_for_eval "$install_override_mode"
-	func_append install_shared_prog " -m $func_quote_for_eval_result"
-      fi
-    fi
-
-    if test -z "$files"; then
-      if test -z "$dest"; then
-	func_fatal_help "no file or destination specified"
-      else
-	func_fatal_help "you must specify a destination"
-      fi
-    fi
-
-    # Strip any trailing slash from the destination.
-    func_stripname '' '/' "$dest"
-    dest=$func_stripname_result
-
-    # Check to see that the destination is a directory.
-    test -d "$dest" && isdir=:
-    if $isdir; then
-      destdir=$dest
-      destname=
-    else
-      func_dirname_and_basename "$dest" "" "."
-      destdir=$func_dirname_result
-      destname=$func_basename_result
-
-      # Not a directory, so check to see that there is only one file specified.
-      set dummy $files; shift
-      test "$#" -gt 1 && \
-	func_fatal_help "'$dest' is not a directory"
-    fi
-    case $destdir in
-    \\/* | A-Za-z:\\/*) ;;
-    *)
-      for file in $files; do
-	case $file in
-	*.lo) ;;
-	*)
-	  func_fatal_help "'$destdir' must be an absolute directory name"
-	  ;;
-	esac
-      done
-      ;;
-    esac
-
-    # This variable tells wrapper scripts just to set variables rather
-    # than running their programs.
-    libtool_install_magic=$magic
-
-    staticlibs=
-    future_libdirs=
-    current_libdirs=
-    for file in $files; do
-
-      # Do each installation.
-      case $file in
-      *.$libext)
-	# Do the static libraries later.
-	func_append staticlibs " $file"
-	;;
-
-      *.la)
-	func_resolve_sysroot "$file"
-	file=$func_resolve_sysroot_result
-
-	# Check to see that this really is a libtool archive.
-	func_lalib_unsafe_p "$file" \
-	  || func_fatal_help "'$file' is not a valid libtool archive"
-
-	library_names=
-	old_library=
-	relink_command=
-	func_source "$file"
-
-	# Add the libdir to current_libdirs if it is the destination.
-	if test "X$destdir" = "X$libdir"; then
-	  case "$current_libdirs " in
-	  *" $libdir "*) ;;
-	  *) func_append current_libdirs " $libdir" ;;
-	  esac
-	else
-	  # Note the libdir as a future libdir.
-	  case "$future_libdirs " in
-	  *" $libdir "*) ;;
-	  *) func_append future_libdirs " $libdir" ;;
-	  esac
-	fi
-
-	func_dirname "$file" "/" ""
-	dir=$func_dirname_result
-	func_append dir "$objdir"
-
-	if test -n "$relink_command"; then
-	  # Determine the prefix the user has applied to our future dir.
-	  inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"`
-
-	  # Don't allow the user to place us outside of our expected
-	  # location b/c this prevents finding dependent libraries that
-	  # are installed to the same prefix.
-	  # At present, this check doesn't affect windows .dll's that
-	  # are installed into $libdir/../bin (currently, that works fine)
-	  # but it's something to keep an eye on.
-	  test "$inst_prefix_dir" = "$destdir" && \
-	    func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir"
-
-	  if test -n "$inst_prefix_dir"; then
-	    # Stick the inst_prefix_dir data into the link command.
-	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
-	  else
-	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"`
-	  fi
-
-	  func_warning "relinking '$file'"
-	  func_show_eval "$relink_command" \
-	    'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"'
-	fi
-
-	# See the names of the shared library.
-	set dummy $library_names; shift
-	if test -n "$1"; then
-	  realname=$1
-	  shift
-
-	  srcname=$realname
-	  test -n "$relink_command" && srcname=${realname}T
-
-	  # Install the shared library and build the symlinks.
-	  func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \
-	      'exit $?'
-	  tstripme=$stripme
-	  case $host_os in
-	  cygwin* | mingw* | pw32* | cegcc*)
-	    case $realname in
-	    *.dll.a)
-	      tstripme=
-	      ;;
-	    esac
-	    ;;
-	  os2*)
-	    case $realname in
-	    *_dll.a)
-	      tstripme=
-	      ;;
-	    esac
-	    ;;
-	  esac
-	  if test -n "$tstripme" && test -n "$striplib"; then
-	    func_show_eval "$striplib $destdir/$realname" 'exit $?'
-	  fi
-
-	  if test "$#" -gt 0; then
-	    # Delete the old symlinks, and create new ones.
-	    # Try 'ln -sf' first, because the 'ln' binary might depend on
-	    # the symlink we replace!  Solaris /bin/ln does not understand -f,
-	    # so we also need to try rm && ln -s.
-	    for linkname
-	    do
-	      test "$linkname" != "$realname" \
-		&& func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
-	    done
-	  fi
-
-	  # Do each command in the postinstall commands.
-	  lib=$destdir/$realname
-	  func_execute_cmds "$postinstall_cmds" 'exit $?'
-	fi
-
-	# Install the pseudo-library for information purposes.
-	func_basename "$file"
-	name=$func_basename_result
-	instname=$dir/${name}i
-	func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
-
-	# Maybe install the static library, too.
-	test -n "$old_library" && func_append staticlibs " $dir/$old_library"
-	;;
-
-      *.lo)
-	# Install (i.e. copy) a libtool object.
-
-	# Figure out destination file name, if it wasn't already specified.
-	if test -n "$destname"; then
-	  destfile=$destdir/$destname
-	else
-	  func_basename "$file"
-	  destfile=$func_basename_result
-	  destfile=$destdir/$destfile
-	fi
-
-	# Deduce the name of the destination old-style object file.
-	case $destfile in
-	*.lo)
-	  func_lo2o "$destfile"
-	  staticdest=$func_lo2o_result
-	  ;;
-	*.$objext)
-	  staticdest=$destfile
-	  destfile=
-	  ;;
-	*)
-	  func_fatal_help "cannot copy a libtool object to '$destfile'"
-	  ;;
-	esac
-
-	# Install the libtool object if requested.
-	test -n "$destfile" && \
-	  func_show_eval "$install_prog $file $destfile" 'exit $?'
-
-	# Install the old object if enabled.
-	if test yes = "$build_old_libs"; then
-	  # Deduce the name of the old-style object file.
-	  func_lo2o "$file"
-	  staticobj=$func_lo2o_result
-	  func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
-	fi
-	exit $EXIT_SUCCESS
-	;;
-
-      *)
-	# Figure out destination file name, if it wasn't already specified.
-	if test -n "$destname"; then
-	  destfile=$destdir/$destname
-	else
-	  func_basename "$file"
-	  destfile=$func_basename_result
-	  destfile=$destdir/$destfile
-	fi
-
-	# If the file is missing, and there is a .exe on the end, strip it
-	# because it is most likely a libtool script we actually want to
-	# install
-	stripped_ext=
-	case $file in
-	  *.exe)
-	    if test ! -f "$file"; then
-	      func_stripname '' '.exe' "$file"
-	      file=$func_stripname_result
-	      stripped_ext=.exe
-	    fi
-	    ;;
-	esac
-
-	# Do a test to see if this is really a libtool program.
-	case $host in
-	*cygwin* | *mingw*)
-	    if func_ltwrapper_executable_p "$file"; then
-	      func_ltwrapper_scriptname "$file"
-	      wrapper=$func_ltwrapper_scriptname_result
-	    else
-	      func_stripname '' '.exe' "$file"
-	      wrapper=$func_stripname_result
-	    fi
-	    ;;
-	*)
-	    wrapper=$file
-	    ;;
-	esac
-	if func_ltwrapper_script_p "$wrapper"; then
-	  notinst_deplibs=
-	  relink_command=
-
-	  func_source "$wrapper"
-
-	  # Check the variables that should have been set.
-	  test -z "$generated_by_libtool_version" && \
-	    func_fatal_error "invalid libtool wrapper script '$wrapper'"
-
-	  finalize=:
-	  for lib in $notinst_deplibs; do
-	    # Check to see that each library is installed.
-	    libdir=
-	    if test -f "$lib"; then
-	      func_source "$lib"
-	    fi
-	    libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'`
-	    if test -n "$libdir" && test ! -f "$libfile"; then
-	      func_warning "'$lib' has not been installed in '$libdir'"
-	      finalize=false
-	    fi
-	  done
-
-	  relink_command=
-	  func_source "$wrapper"
-
-	  outputname=
-	  if test no = "$fast_install" && test -n "$relink_command"; then
-	    $opt_dry_run || {
-	      if $finalize; then
-	        tmpdir=`func_mktempdir`
-		func_basename "$file$stripped_ext"
-		file=$func_basename_result
-	        outputname=$tmpdir/$file
-	        # Replace the output file specification.
-	        relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
-
-	        $opt_quiet || {
-	          func_quote_for_expand "$relink_command"
-		  eval "func_echo $func_quote_for_expand_result"
-	        }
-	        if eval "$relink_command"; then :
-	          else
-		  func_error "error: relink '$file' with the above command before installing it"
-		  $opt_dry_run || ${RM}r "$tmpdir"
-		  continue
-	        fi
-	        file=$outputname
-	      else
-	        func_warning "cannot relink '$file'"
-	      fi
-	    }
-	  else
-	    # Install the binary that we compiled earlier.
-	    file=`$ECHO "$file$stripped_ext" | $SED "s%$^/*$$%$objdir/\1%"`
-	  fi
-	fi
-
-	# remove .exe since cygwin /usr/bin/install will append another
-	# one anyway
-	case $install_prog,$host in
-	*/usr/bin/install*,*cygwin*)
-	  case $file:$destfile in
-	  *.exe:*.exe)
-	    # this is ok
-	    ;;
-	  *.exe:*)
-	    destfile=$destfile.exe
-	    ;;
-	  *:*.exe)
-	    func_stripname '' '.exe' "$destfile"
-	    destfile=$func_stripname_result
-	    ;;
-	  esac
-	  ;;
-	esac
-	func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
-	$opt_dry_run || if test -n "$outputname"; then
-	  ${RM}r "$tmpdir"
-	fi
-	;;
-      esac
-    done
-
-    for file in $staticlibs; do
-      func_basename "$file"
-      name=$func_basename_result
-
-      # Set up the ranlib parameters.
-      oldlib=$destdir/$name
-      func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
-      tool_oldlib=$func_to_tool_file_result
-
-      func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
-
-      if test -n "$stripme" && test -n "$old_striplib"; then
-	func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
-      fi
-
-      # Do each command in the postinstall commands.
-      func_execute_cmds "$old_postinstall_cmds" 'exit $?'
-    done
-
-    test -n "$future_libdirs" && \
-      func_warning "remember to run '$progname --finish$future_libdirs'"
-
-    if test -n "$current_libdirs"; then
-      # Maybe just do a dry run.
-      $opt_dry_run && current_libdirs=" -n$current_libdirs"
-      exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs'
-    else
-      exit $EXIT_SUCCESS
-    fi
-}
-
-test install = "$opt_mode" && func_mode_install ${1+"$@"}
-
-
-# func_generate_dlsyms outputname originator pic_p
-# Extract symbols from dlprefiles and create ${outputname}S.o with
-# a dlpreopen symbol table.
-func_generate_dlsyms ()
-{
-    $debug_cmd
-
-    my_outputname=$1
-    my_originator=$2
-    my_pic_p=${3-false}
-    my_prefix=`$ECHO "$my_originator" | $SED 's%^a-zA-Z0-9%_%g'`
-    my_dlsyms=
-
-    if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
-      if test -n "$NM" && test -n "$global_symbol_pipe"; then
-	my_dlsyms=${my_outputname}S.c
-      else
-	func_error "not configured to extract global symbols from dlpreopened files"
-      fi
-    fi
-
-    if test -n "$my_dlsyms"; then
-      case $my_dlsyms in
-      "") ;;
-      *.c)
-	# Discover the nlist of each of the dlfiles.
-	nlist=$output_objdir/$my_outputname.nm
-
-	func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
-
-	# Parse the name list into a source file.
-	func_verbose "creating $output_objdir/$my_dlsyms"
-
-	$opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
-/* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */
-/* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */
-
-#ifdef __cplusplus
-extern \"C\" {
-#endif
-
-#if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
-#pragma GCC diagnostic ignored \"-Wstrict-prototypes\"
-#endif
-
-/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
-#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
-/* DATA imports from DLLs on WIN32 can't be const, because runtime
-   relocations are performed -- see ld's documentation on pseudo-relocs.  */
-# define LT_DLSYM_CONST
-#elif defined __osf__
-/* This system does not cope well with relocations in const data.  */
-# define LT_DLSYM_CONST
-#else
-# define LT_DLSYM_CONST const
-#endif
-
-#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0)
-
-/* External symbol declarations for the compiler. */\
-"
-
-	if test yes = "$dlself"; then
-	  func_verbose "generating symbol list for '$output'"
-
-	  $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
-
-	  # Add our own program objects to the symbol list.
-	  progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP`
-	  for progfile in $progfiles; do
-	    func_to_tool_file "$progfile" func_convert_file_msys_to_w32
-	    func_verbose "extracting global C symbols from '$func_to_tool_file_result'"
-	    $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'"
-	  done
-
-	  if test -n "$exclude_expsyms"; then
-	    $opt_dry_run || {
-	      eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
-	      eval '$MV "$nlist"T "$nlist"'
-	    }
-	  fi
-
-	  if test -n "$export_symbols_regex"; then
-	    $opt_dry_run || {
-	      eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
-	      eval '$MV "$nlist"T "$nlist"'
-	    }
-	  fi
-
-	  # Prepare the list of exported symbols
-	  if test -z "$export_symbols"; then
-	    export_symbols=$output_objdir/$outputname.exp
-	    $opt_dry_run || {
-	      $RM $export_symbols
-	      eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* $.*$$/\1/p' "'< "$nlist" > "$export_symbols"'
-	      case $host in
-	      *cygwin* | *mingw* | *cegcc* )
-                eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
-                eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
-	        ;;
-	      esac
-	    }
-	  else
-	    $opt_dry_run || {
-	      eval "$SED -e 's/$.*^$$/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
-	      eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
-	      eval '$MV "$nlist"T "$nlist"'
-	      case $host in
-	        *cygwin* | *mingw* | *cegcc* )
-	          eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
-	          eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
-	          ;;
-	      esac
-	    }
-	  fi
-	fi
-
-	for dlprefile in $dlprefiles; do
-	  func_verbose "extracting global C symbols from '$dlprefile'"
-	  func_basename "$dlprefile"
-	  name=$func_basename_result
-          case $host in
-	    *cygwin* | *mingw* | *cegcc* )
-	      # if an import library, we need to obtain dlname
-	      if func_win32_import_lib_p "$dlprefile"; then
-	        func_tr_sh "$dlprefile"
-	        eval "curr_lafile=\$libfile_$func_tr_sh_result"
-	        dlprefile_dlbasename=
-	        if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then
-	          # Use subshell, to avoid clobbering current variable values
-	          dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"`
-	          if test -n "$dlprefile_dlname"; then
-	            func_basename "$dlprefile_dlname"
-	            dlprefile_dlbasename=$func_basename_result
-	          else
-	            # no lafile. user explicitly requested -dlpreopen <import library>.
-	            $sharedlib_from_linklib_cmd "$dlprefile"
-	            dlprefile_dlbasename=$sharedlib_from_linklib_result
-	          fi
-	        fi
-	        $opt_dry_run || {
-	          if test -n "$dlprefile_dlbasename"; then
-	            eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"'
-	          else
-	            func_warning "Could not compute DLL name from $name"
-	            eval '$ECHO ": $name " >> "$nlist"'
-	          fi
-	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
-	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe |
-	            $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'"
-	        }
-	      else # not an import lib
-	        $opt_dry_run || {
-	          eval '$ECHO ": $name " >> "$nlist"'
-	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
-	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
-	        }
-	      fi
-	    ;;
-	    *)
-	      $opt_dry_run || {
-	        eval '$ECHO ": $name " >> "$nlist"'
-	        func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
-	        eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
-	      }
-	    ;;
-          esac
-	done
-
-	$opt_dry_run || {
-	  # Make sure we have at least an empty file.
-	  test -f "$nlist" || : > "$nlist"
-
-	  if test -n "$exclude_expsyms"; then
-	    $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
-	    $MV "$nlist"T "$nlist"
-	  fi
-
-	  # Try sorting and uniquifying the output.
-	  if $GREP -v "^: " < "$nlist" |
-	      if sort -k 3 </dev/null >/dev/null 2>&1; then
-		sort -k 3
-	      else
-		sort +2
-	      fi |
-	      uniq > "$nlist"S; then
-	    :
-	  else
-	    $GREP -v "^: " < "$nlist" > "$nlist"S
-	  fi
-
-	  if test -f "$nlist"S; then
-	    eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
-	  else
-	    echo '/* NONE */' >> "$output_objdir/$my_dlsyms"
-	  fi
-
-	  func_show_eval '$RM "${nlist}I"'
-	  if test -n "$global_symbol_to_import"; then
-	    eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I'
-	  fi
-
-	  echo >> "$output_objdir/$my_dlsyms" "\
-
-/* The mapping between symbol names and symbols.  */
-typedef struct {
-  const char *name;
-  void *address;
-} lt_dlsymlist;
-extern LT_DLSYM_CONST lt_dlsymlist
-lt_${my_prefix}_LTX_preloaded_symbols;\
-"
-
-	  if test -s "$nlist"I; then
-	    echo >> "$output_objdir/$my_dlsyms" "\
-static void lt_syminit(void)
-{
-  LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols;
-  for (; symbol->name; ++symbol)
-    {"
-	    $SED 's/.*/      if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms"
-	    echo >> "$output_objdir/$my_dlsyms" "\
-    }
-}"
-	  fi
-	  echo >> "$output_objdir/$my_dlsyms" "\
-LT_DLSYM_CONST lt_dlsymlist
-lt_${my_prefix}_LTX_preloaded_symbols =
-{ {\"$my_originator\", (void *) 0},"
-
-	  if test -s "$nlist"I; then
-	    echo >> "$output_objdir/$my_dlsyms" "\
-  {\"@INIT@\", (void *) &lt_syminit},"
-	  fi
-
-	  case $need_lib_prefix in
-	  no)
-	    eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
-	    ;;
-	  *)
-	    eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
-	    ;;
-	  esac
-	  echo >> "$output_objdir/$my_dlsyms" "\
-  {0, (void *) 0}
-};
-
-/* This works around a problem in FreeBSD linker */
-#ifdef FREEBSD_WORKAROUND
-static const void *lt_preloaded_setup() {
-  return lt_${my_prefix}_LTX_preloaded_symbols;
-}
-#endif
-
-#ifdef __cplusplus
-}
-#endif\
-"
-	} # !$opt_dry_run
-
-	pic_flag_for_symtable=
-	case "$compile_command " in
-	*" -static "*) ;;
-	*)
-	  case $host in
-	  # compiling the symbol table file with pic_flag works around
-	  # a FreeBSD bug that causes programs to crash when -lm is
-	  # linked before any other PIC object.  But we must not use
-	  # pic_flag when linking with -static.  The problem exists in
-	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
-	  *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
-	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
-	  *-*-hpux*)
-	    pic_flag_for_symtable=" $pic_flag"  ;;
-	  *)
-	    $my_pic_p && pic_flag_for_symtable=" $pic_flag"
-	    ;;
-	  esac
-	  ;;
-	esac
-	symtab_cflags=
-	for arg in $LTCFLAGS; do
-	  case $arg in
-	  -pie | -fpie | -fPIE) ;;
-	  *) func_append symtab_cflags " $arg" ;;
-	  esac
-	done
-
-	# Now compile the dynamic symbol file.
-	func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
-
-	# Clean up the generated files.
-	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"'
-
-	# Transform the symbol file into the correct name.
-	symfileobj=$output_objdir/${my_outputname}S.$objext
-	case $host in
-	*cygwin* | *mingw* | *cegcc* )
-	  if test -f "$output_objdir/$my_outputname.def"; then
-	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
-	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
-	  else
-	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
-	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
-	  fi
-	  ;;
-	*)
-	  compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
-	  finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
-	  ;;
-	esac
-	;;
-      *)
-	func_fatal_error "unknown suffix for '$my_dlsyms'"
-	;;
-      esac
-    else
-      # We keep going just in case the user didn't refer to
-      # lt_preloaded_symbols.  The linker will fail if global_symbol_pipe
-      # really was required.
-
-      # Nullify the symbol file.
-      compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"`
-      finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"`
-    fi
-}
-
-# func_cygming_gnu_implib_p ARG
-# This predicate returns with zero status (TRUE) if
-# ARG is a GNU/binutils-style import library. Returns
-# with nonzero status (FALSE) otherwise.
-func_cygming_gnu_implib_p ()
-{
-  $debug_cmd
-
-  func_to_tool_file "$1" func_convert_file_msys_to_w32
-  func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_A-Za-z0-9_+_adl*|A-Za-z0-9_+_adl*_iname)$'`
-  test -n "$func_cygming_gnu_implib_tmp"
-}
-
-# func_cygming_ms_implib_p ARG
-# This predicate returns with zero status (TRUE) if
-# ARG is an MS-style import library. Returns
-# with nonzero status (FALSE) otherwise.
-func_cygming_ms_implib_p ()
-{
-  $debug_cmd
-
-  func_to_tool_file "$1" func_convert_file_msys_to_w32
-  func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
-  test -n "$func_cygming_ms_implib_tmp"
-}
-
-# func_win32_libid arg
-# return the library type of file 'arg'
-#
-# Need a lot of goo to handle *both* DLLs and import libs
-# Has to be a shell function in order to 'eat' the argument
-# that is supplied when $file_magic_command is called.
-# Despite the name, also deal with 64 bit binaries.
-func_win32_libid ()
-{
-  $debug_cmd
-
-  win32_libid_type=unknown
-  win32_fileres=`file -L $1 2>/dev/null`
-  case $win32_fileres in
-  *ar\ archive\ import\ library*) # definitely import
-    win32_libid_type="x86 archive import"
-    ;;
-  *ar\ archive*) # could be an import, or static
-    # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD.
-    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
-       $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then
-      case $nm_interface in
-      "MS dumpbin")
-	if func_cygming_ms_implib_p "$1" ||
-	   func_cygming_gnu_implib_p "$1"
-	then
-	  win32_nmres=import
-	else
-	  win32_nmres=
-	fi
-	;;
-      *)
-	func_to_tool_file "$1" func_convert_file_msys_to_w32
-	win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
-	  $SED -n -e '
-	    1,100{
-		/ I /{
-		    s|.*|import|
-		    p
-		    q
-		}
-	    }'`
-	;;
-      esac
-      case $win32_nmres in
-      import*)  win32_libid_type="x86 archive import";;
-      *)        win32_libid_type="x86 archive static";;
-      esac
-    fi
-    ;;
-  *DLL*)
-    win32_libid_type="x86 DLL"
-    ;;
-  *executable*) # but shell scripts are "executable" too...
-    case $win32_fileres in
-    *MS\ Windows\ PE\ Intel*)
-      win32_libid_type="x86 DLL"
-      ;;
-    esac
-    ;;
-  esac
-  $ECHO "$win32_libid_type"
-}
-
-# func_cygming_dll_for_implib ARG
-#
-# Platform-specific function to extract the
-# name of the DLL associated with the specified
-# import library ARG.
-# Invoked by eval'ing the libtool variable
-#    $sharedlib_from_linklib_cmd
-# Result is available in the variable
-#    $sharedlib_from_linklib_result
-func_cygming_dll_for_implib ()
-{
-  $debug_cmd
-
-  sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"`
-}
-
-# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs
-#
-# The is the core of a fallback implementation of a
-# platform-specific function to extract the name of the
-# DLL associated with the specified import library LIBNAME.
-#
-# SECTION_NAME is either .idata$6 or .idata$7, depending
-# on the platform and compiler that created the implib.
-#
-# Echos the name of the DLL associated with the
-# specified import library.
-func_cygming_dll_for_implib_fallback_core ()
-{
-  $debug_cmd
-
-  match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"`
-  $OBJDUMP -s --section "$1" "$2" 2>/dev/null |
-    $SED '/^Contents of section '"$match_literal"':/{
-      # Place marker at beginning of archive member dllname section
-      s/.*/====MARK====/
-      p
-      d
-    }
-    # These lines can sometimes be longer than 43 characters, but
-    # are always uninteresting
-    /:	 *file format pei\{,1\}-/d
-    /^In archive ^:*:/d
-    # Ensure marker is printed
-    /^====MARK====/p
-    # Remove all lines with less than 43 characters
-    /^.\{43\}/!d
-    # From remaining lines, remove first 43 characters
-    s/^.\{43\}//' |
-    $SED -n '
-      # Join marker and all lines until next marker into a single line
-      /^====MARK====/ b para
-      H
-      $ b para
-      b
-      :para
-      x
-      s/\n//g
-      # Remove the marker
-      s/^====MARK====//
-      # Remove trailing dots and whitespace
-      s/\. \t*$//
-      # Print
-      /./p' |
-    # we now have a list, one entry per line, of the stringified
-    # contents of the appropriate section of all members of the
-    # archive that possess that section. Heuristic: eliminate
-    # all those that have a first or second character that is
-    # a '.' (that is, objdump's representation of an unprintable
-    # character.) This should work for all archives with less than
-    # 0x302f exports -- but will fail for DLLs whose name actually
-    # begins with a literal '.' or a single character followed by
-    # a '.'.
-    #
-    # Of those that remain, print the first one.
-    $SED -e '/^\./d;/^.\./d;q'
-}
-
-# func_cygming_dll_for_implib_fallback ARG
-# Platform-specific function to extract the
-# name of the DLL associated with the specified
-# import library ARG.
-#
-# This fallback implementation is for use when $DLLTOOL
-# does not support the --identify-strict option.
-# Invoked by eval'ing the libtool variable
-#    $sharedlib_from_linklib_cmd
-# Result is available in the variable
-#    $sharedlib_from_linklib_result
-func_cygming_dll_for_implib_fallback ()
-{
-  $debug_cmd
-
-  if func_cygming_gnu_implib_p "$1"; then
-    # binutils import library
-    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"`
-  elif func_cygming_ms_implib_p "$1"; then
-    # ms-generated import library
-    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"`
-  else
-    # unknown
-    sharedlib_from_linklib_result=
-  fi
-}
-
-
-# func_extract_an_archive dir oldlib
-func_extract_an_archive ()
-{
-    $debug_cmd
-
-    f_ex_an_ar_dir=$1; shift
-    f_ex_an_ar_oldlib=$1
-    if test yes = "$lock_old_archive_extraction"; then
-      lockfile=$f_ex_an_ar_oldlib.lock
-      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
-	func_echo "Waiting for $lockfile to be removed"
-	sleep 2
-      done
-    fi
-    func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \
-		   'stat=$?; rm -f "$lockfile"; exit $stat'
-    if test yes = "$lock_old_archive_extraction"; then
-      $opt_dry_run || rm -f "$lockfile"
-    fi
-    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
-     :
-    else
-      func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
-    fi
-}
-
-
-# func_extract_archives gentop oldlib ...
-func_extract_archives ()
-{
-    $debug_cmd
-
-    my_gentop=$1; shift
-    my_oldlibs=${1+"$@"}
-    my_oldobjs=
-    my_xlib=
-    my_xabs=
-    my_xdir=
-
-    for my_xlib in $my_oldlibs; do
-      # Extract the objects.
-      case $my_xlib in
-	\\/* | A-Za-z:\\/*) my_xabs=$my_xlib ;;
-	*) my_xabs=`pwd`"/$my_xlib" ;;
-      esac
-      func_basename "$my_xlib"
-      my_xlib=$func_basename_result
-      my_xlib_u=$my_xlib
-      while :; do
-        case " $extracted_archives " in
-	*" $my_xlib_u "*)
-	  func_arith $extracted_serial + 1
-	  extracted_serial=$func_arith_result
-	  my_xlib_u=lt$extracted_serial-$my_xlib ;;
-	*) break ;;
-	esac
-      done
-      extracted_archives="$extracted_archives $my_xlib_u"
-      my_xdir=$my_gentop/$my_xlib_u
-
-      func_mkdir_p "$my_xdir"
-
-      case $host in
-      *-darwin*)
-	func_verbose "Extracting $my_xabs"
-	# Do not bother doing anything if just a dry run
-	$opt_dry_run || {
-	  darwin_orig_dir=`pwd`
-	  cd $my_xdir || exit $?
-	  darwin_archive=$my_xabs
-	  darwin_curdir=`pwd`
-	  func_basename "$darwin_archive"
-	  darwin_base_archive=$func_basename_result
-	  darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
-	  if test -n "$darwin_arches"; then
-	    darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
-	    darwin_arch=
-	    func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
-	    for darwin_arch in  $darwin_arches; do
-	      func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch"
-	      $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive"
-	      cd "unfat-$$/$darwin_base_archive-$darwin_arch"
-	      func_extract_an_archive "`pwd`" "$darwin_base_archive"
-	      cd "$darwin_curdir"
-	      $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive"
-	    done # $darwin_arches
-            ## Okay now we've a bunch of thin objects, gotta fatten them up :)
-	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u`
-	    darwin_file=
-	    darwin_files=
-	    for darwin_file in $darwin_filelist; do
-	      darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP`
-	      $LIPO -create -output "$darwin_file" $darwin_files
-	    done # $darwin_filelist
-	    $RM -rf unfat-$$
-	    cd "$darwin_orig_dir"
-	  else
-	    cd $darwin_orig_dir
-	    func_extract_an_archive "$my_xdir" "$my_xabs"
-	  fi # $darwin_arches
-	} # !$opt_dry_run
-	;;
-      *)
-        func_extract_an_archive "$my_xdir" "$my_xabs"
-	;;
-      esac
-      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP`
-    done
-
-    func_extract_archives_result=$my_oldobjs
-}
-
-
-# func_emit_wrapper arg=no
-#
-# Emit a libtool wrapper script on stdout.
-# Don't directly open a file because we may want to
-# incorporate the script contents within a cygwin/mingw
-# wrapper executable.  Must ONLY be called from within
-# func_mode_link because it depends on a number of variables
-# set therein.
-#
-# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
-# variable will take.  If 'yes', then the emitted script
-# will assume that the directory where it is stored is
-# the $objdir directory.  This is a cygwin/mingw-specific
-# behavior.
-func_emit_wrapper ()
-{
-	func_emit_wrapper_arg1=${1-no}
-
-	$ECHO "\
-#! $SHELL
-
-# $output - temporary wrapper script for $objdir/$outputname
-# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
-#
-# The $output program cannot be directly executed until all the libtool
-# libraries that it depends on are installed.
-#
-# This wrapper script should never be moved out of the build directory.
-# If it is, it will not operate correctly.
-
-# Sed substitution that helps us do robust quoting.  It backslashifies
-# metacharacters that are still active within double-quoted strings.
-sed_quote_subst='$sed_quote_subst'
-
-# Be Bourne compatible
-if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '\${1+\"\$@\"}'='\"\$@\"'
-  setopt NO_GLOB_SUBST
-else
-  case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
-fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
-
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-relink_command=\"$relink_command\"
-
-# This environment variable determines our operation mode.
-if test \"\$libtool_install_magic\" = \"$magic\"; then
-  # install mode needs the following variables:
-  generated_by_libtool_version='$macro_version'
-  notinst_deplibs='$notinst_deplibs'
-else
-  # When we are sourced in execute mode, \$file and \$ECHO are already set.
-  if test \"\$libtool_execute_magic\" != \"$magic\"; then
-    file=\"\$0\""
-
-    qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"`
-    $ECHO "\
-
-# A function that is used when there is no print builtin or printf.
-func_fallback_echo ()
-{
-  eval 'cat <<_LTECHO_EOF
-\$1
-_LTECHO_EOF'
-}
-    ECHO=\"$qECHO\"
-  fi
-
-# Very basic option parsing. These options are (a) specific to
-# the libtool wrapper, (b) are identical between the wrapper
-# /script/ and the wrapper /executable/ that is used only on
-# windows platforms, and (c) all begin with the string "--lt-"
-# (application programs are unlikely to have options that match
-# this pattern).
-#
-# There are only two supported options: --lt-debug and
-# --lt-dump-script. There is, deliberately, no --lt-help.
-#
-# The first argument to this parsing function should be the
-# script's $0 value, followed by "$@".
-lt_option_debug=
-func_parse_lt_options ()
-{
-  lt_script_arg0=\$0
-  shift
-  for lt_opt
-  do
-    case \"\$lt_opt\" in
-    --lt-debug) lt_option_debug=1 ;;
-    --lt-dump-script)
-        lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/^/*$%%'\`
-        test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=.
-        lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\`
-        cat \"\$lt_dump_D/\$lt_dump_F\"
-        exit 0
-      ;;
-    --lt-*)
-        \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2
-        exit 1
-      ;;
-    esac
-  done
-
-  # Print the debug banner immediately:
-  if test -n \"\$lt_option_debug\"; then
-    echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2
-  fi
-}
-
-# Used when --lt-debug. Prints its arguments to stdout
-# (redirection is the responsibility of the caller)
-func_lt_dump_args ()
-{
-  lt_dump_args_N=1;
-  for lt_arg
-  do
-    \$ECHO \"$outputname:$output:\$LINENO: newargv\$lt_dump_args_N: \$lt_arg\"
-    lt_dump_args_N=\`expr \$lt_dump_args_N + 1\`
-  done
-}
-
-# Core function for launching the target application
-func_exec_program_core ()
-{
-"
-  case $host in
-  # Backslashes separate directories on plain windows
-  *-*-mingw | *-*-os2* | *-cegcc*)
-    $ECHO "\
-      if test -n \"\$lt_option_debug\"; then
-        \$ECHO \"$outputname:$output:\$LINENO: newargv0: \$progdir\\\\\$program\" 1>&2
-        func_lt_dump_args \${1+\"\$@\"} 1>&2
-      fi
-      exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
-"
-    ;;
-
-  *)
-    $ECHO "\
-      if test -n \"\$lt_option_debug\"; then
-        \$ECHO \"$outputname:$output:\$LINENO: newargv0: \$progdir/\$program\" 1>&2
-        func_lt_dump_args \${1+\"\$@\"} 1>&2
-      fi
-      exec \"\$progdir/\$program\" \${1+\"\$@\"}
-"
-    ;;
-  esac
-  $ECHO "\
-      \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
-      exit 1
-}
-
-# A function to encapsulate launching the target application
-# Strips options in the --lt-* namespace from \$@ and
-# launches target application with the remaining arguments.
-func_exec_program ()
-{
-  case \" \$* \" in
-  *\\ --lt-*)
-    for lt_wr_arg
-    do
-      case \$lt_wr_arg in
-      --lt-*) ;;
-      *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
-      esac
-      shift
-    done ;;
-  esac
-  func_exec_program_core \${1+\"\$@\"}
-}
-
-  # Parse options
-  func_parse_lt_options \"\$0\" \${1+\"\$@\"}
-
-  # Find the directory that this script lives in.
-  thisdir=\`\$ECHO \"\$file\" | $SED 's%/^/*$%%'\`
-  test \"x\$thisdir\" = \"x\$file\" && thisdir=.
-
-  # Follow symbolic links until we get to the real thisdir.
-  file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\`
-  while test -n \"\$file\"; do
-    destdir=\`\$ECHO \"\$file\" | $SED 's%/^/*\$%%'\`
-
-    # If there was a directory component, then change thisdir.
-    if test \"x\$destdir\" != \"x\$file\"; then
-      case \"\$destdir\" in
-      \\\\/* | A-Za-z:\\\\/*) thisdir=\"\$destdir\" ;;
-      *) thisdir=\"\$thisdir/\$destdir\" ;;
-      esac
-    fi
-
-    file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\`
-    file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\`
-  done
-
-  # Usually 'no', except on cygwin/mingw when embedded into
-  # the cwrapper.
-  WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
-  if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
-    # special case for '.'
-    if test \"\$thisdir\" = \".\"; then
-      thisdir=\`pwd\`
-    fi
-    # remove .libs from thisdir
-    case \"\$thisdir\" in
-    *\\\\/$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%\\\\/^\\\\/*$%%'\` ;;
-    $objdir )   thisdir=. ;;
-    esac
-  fi
-
-  # Try to get the absolute directory name.
-  absdir=\`cd \"\$thisdir\" && pwd\`
-  test -n \"\$absdir\" && thisdir=\"\$absdir\"
-"
-
-	if test yes = "$fast_install"; then
-	  $ECHO "\
-  program=lt-'$outputname'$exeext
-  progdir=\"\$thisdir/$objdir\"
-
-  if test ! -f \"\$progdir/\$program\" ||
-     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\
-       test \"X\$file\" != \"X\$progdir/\$program\"; }; then
-
-    file=\"\$\$-\$program\"
-
-    if test ! -d \"\$progdir\"; then
-      $MKDIR \"\$progdir\"
-    else
-      $RM \"\$progdir/\$file\"
-    fi"
-
-	  $ECHO "\
-
-    # relink executable if necessary
-    if test -n \"\$relink_command\"; then
-      if relink_command_output=\`eval \$relink_command 2>&1\`; then :
-      else
-	\$ECHO \"\$relink_command_output\" >&2
-	$RM \"\$progdir/\$file\"
-	exit 1
-      fi
-    fi
-
-    $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
-    { $RM \"\$progdir/\$program\";
-      $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
-    $RM \"\$progdir/\$file\"
-  fi"
-	else
-	  $ECHO "\
-  program='$outputname'
-  progdir=\"\$thisdir/$objdir\"
-"
-	fi
-
-	$ECHO "\
-
-  if test -f \"\$progdir/\$program\"; then"
-
-	# fixup the dll searchpath if we need to.
-	#
-	# Fix the DLL searchpath if we need to.  Do this before prepending
-	# to shlibpath, because on Windows, both are PATH and uninstalled
-	# libraries must come first.
-	if test -n "$dllsearchpath"; then
-	  $ECHO "\
-    # Add the dll search path components to the executable PATH
-    PATH=$dllsearchpath:\$PATH
-"
-	fi
-
-	# Export our shlibpath_var if we have one.
-	if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
-	  $ECHO "\
-    # Add our own library path to $shlibpath_var
-    $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
-
-    # Some systems cannot cope with colon-terminated $shlibpath_var
-    # The second colon is a workaround for a bug in BeOS R4 sed
-    $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\`
-
-    export $shlibpath_var
-"
-	fi
-
-	$ECHO "\
-    if test \"\$libtool_execute_magic\" != \"$magic\"; then
-      # Run the actual program with our arguments.
-      func_exec_program \${1+\"\$@\"}
-    fi
-  else
-    # The program doesn't exist.
-    \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2
-    \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
-    \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
-    exit 1
-  fi
-fi\
-"
-}
-
-
-# func_emit_cwrapperexe_src
-# emit the source code for a wrapper executable on stdout
-# Must ONLY be called from within func_mode_link because
-# it depends on a number of variable set therein.
-func_emit_cwrapperexe_src ()
-{
-	cat <<EOF
-
-/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
-   Generated by $PROGRAM (GNU $PACKAGE) $VERSION
-
-   The $output program cannot be directly executed until all the libtool
-   libraries that it depends on are installed.
-
-   This wrapper executable should never be moved out of the build directory.
-   If it is, it will not operate correctly.
-*/
-EOF
-	    cat <<"EOF"
-#ifdef _MSC_VER
-# define _CRT_SECURE_NO_DEPRECATE 1
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef _MSC_VER
-# include <direct.h>
-# include <process.h>
-# include <io.h>
-#else
-# include <unistd.h>
-# include <stdint.h>
-# ifdef __CYGWIN__
-#  include <io.h>
-# endif
-#endif
-#include <malloc.h>
-#include <stdarg.h>
-#include <assert.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-
-#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0)
-
-/* declarations of non-ANSI functions */
-#if defined __MINGW32__
-# ifdef __STRICT_ANSI__
-int _putenv (const char *);
-# endif
-#elif defined __CYGWIN__
-# ifdef __STRICT_ANSI__
-char *realpath (const char *, char *);
-int putenv (char *);
-int setenv (const char *, const char *, int);
-# endif
-/* #elif defined other_platform || defined ... */
-#endif
-
-/* portability defines, excluding path handling macros */
-#if defined _MSC_VER
-# define setmode _setmode
-# define stat    _stat
-# define chmod   _chmod
-# define getcwd  _getcwd
-# define putenv  _putenv
-# define S_IXUSR _S_IEXEC
-#elif defined __MINGW32__
-# define setmode _setmode
-# define stat    _stat
-# define chmod   _chmod
-# define getcwd  _getcwd
-# define putenv  _putenv
-#elif defined __CYGWIN__
-# define HAVE_SETENV
-# define FOPEN_WB "wb"
-/* #elif defined other platforms ... */
-#endif
-
-#if defined PATH_MAX
-# define LT_PATHMAX PATH_MAX
-#elif defined MAXPATHLEN
-# define LT_PATHMAX MAXPATHLEN
-#else
-# define LT_PATHMAX 1024
-#endif
-
-#ifndef S_IXOTH
-# define S_IXOTH 0
-#endif
-#ifndef S_IXGRP
-# define S_IXGRP 0
-#endif
-
-/* path handling portability macros */
-#ifndef DIR_SEPARATOR
-# define DIR_SEPARATOR '/'
-# define PATH_SEPARATOR ':'
-#endif
-
-#if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \
-  defined __OS2__
-# define HAVE_DOS_BASED_FILE_SYSTEM
-# define FOPEN_WB "wb"
-# ifndef DIR_SEPARATOR_2
-#  define DIR_SEPARATOR_2 '\\'
-# endif
-# ifndef PATH_SEPARATOR_2
-#  define PATH_SEPARATOR_2 ';'
-# endif
-#endif
-
-#ifndef DIR_SEPARATOR_2
-# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
-#else /* DIR_SEPARATOR_2 */
-# define IS_DIR_SEPARATOR(ch) \
-	(((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
-#endif /* DIR_SEPARATOR_2 */
-
-#ifndef PATH_SEPARATOR_2
-# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
-#else /* PATH_SEPARATOR_2 */
-# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
-#endif /* PATH_SEPARATOR_2 */
-
-#ifndef FOPEN_WB
-# define FOPEN_WB "w"
-#endif
-#ifndef _O_BINARY
-# define _O_BINARY 0
-#endif
-
-#define XMALLOC(type, num)      ((type *) xmalloc ((num) * sizeof(type)))
-#define XFREE(stale) do { \
-  if (stale) { free (stale); stale = 0; } \
-} while (0)
-
-#if defined LT_DEBUGWRAPPER
-static int lt_debug = 1;
-#else
-static int lt_debug = 0;
-#endif
-
-const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */
-
-void *xmalloc (size_t num);
-char *xstrdup (const char *string);
-const char *base_name (const char *name);
-char *find_executable (const char *wrapper);
-char *chase_symlinks (const char *pathspec);
-int make_executable (const char *path);
-int check_executable (const char *path);
-char *strendzap (char *str, const char *pat);
-void lt_debugprintf (const char *file, int line, const char *fmt, ...);
-void lt_fatal (const char *file, int line, const char *message, ...);
-static const char *nonnull (const char *s);
-static const char *nonempty (const char *s);
-void lt_setenv (const char *name, const char *value);
-char *lt_extend_str (const char *orig_value, const char *add, int to_end);
-void lt_update_exe_path (const char *name, const char *value);
-void lt_update_lib_path (const char *name, const char *value);
-char **prepare_spawn (char **argv);
-void lt_dump_script (FILE *f);
-EOF
-
-	    cat <<EOF
-#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
-# define externally_visible volatile
-#else
-# define externally_visible __attribute__((externally_visible)) volatile
-#endif
-externally_visible const char * MAGIC_EXE = "$magic_exe";
-const char * LIB_PATH_VARNAME = "$shlibpath_var";
-EOF
-
-	    if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
-              func_to_host_path "$temp_rpath"
-	      cat <<EOF
-const char * LIB_PATH_VALUE   = "$func_to_host_path_result";
-EOF
-	    else
-	      cat <<"EOF"
-const char * LIB_PATH_VALUE   = "";
-EOF
-	    fi
-
-	    if test -n "$dllsearchpath"; then
-              func_to_host_path "$dllsearchpath:"
-	      cat <<EOF
-const char * EXE_PATH_VARNAME = "PATH";
-const char * EXE_PATH_VALUE   = "$func_to_host_path_result";
-EOF
-	    else
-	      cat <<"EOF"
-const char * EXE_PATH_VARNAME = "";
-const char * EXE_PATH_VALUE   = "";
-EOF
-	    fi
-
-	    if test yes = "$fast_install"; then
-	      cat <<EOF
-const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
-EOF
-	    else
-	      cat <<EOF
-const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */
-EOF
-	    fi
-
-
-	    cat <<"EOF"
-
-#define LTWRAPPER_OPTION_PREFIX         "--lt-"
-
-static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX;
-static const char *dumpscript_opt       = LTWRAPPER_OPTION_PREFIX "dump-script";
-static const char *debug_opt            = LTWRAPPER_OPTION_PREFIX "debug";
-
-int
-main (int argc, char *argv)
-{
-  char **newargz;
-  int  newargc;
-  char *tmp_pathspec;
-  char *actual_cwrapper_path;
-  char *actual_cwrapper_name;
-  char *target_name;
-  char *lt_argv_zero;
-  int rval = 127;
-
-  int i;
-
-  program_name = (char *) xstrdup (base_name (argv0));
-  newargz = XMALLOC (char *, (size_t) argc + 1);
-
-  /* very simple arg parsing; don't want to rely on getopt
-   * also, copy all non cwrapper options to newargz, except
-   * argz0, which is handled differently
-   */
-  newargc=0;
-  for (i = 1; i < argc; i++)
-    {
-      if (STREQ (argvi, dumpscript_opt))
-	{
-EOF
-	    case $host in
-	      *mingw* | *cygwin* )
-		# make stdout use "unix" line endings
-		echo "          setmode(1,_O_BINARY);"
-		;;
-	      esac
-
-	    cat <<"EOF"
-	  lt_dump_script (stdout);
-	  return 0;
-	}
-      if (STREQ (argvi, debug_opt))
-	{
-          lt_debug = 1;
-          continue;
-	}
-      if (STREQ (argvi, ltwrapper_option_prefix))
-        {
-          /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX
-             namespace, but it is not one of the ones we know about and
-             have already dealt with, above (inluding dump-script), then
-             report an error. Otherwise, targets might begin to believe
-             they are allowed to use options in the LTWRAPPER_OPTION_PREFIX
-             namespace. The first time any user complains about this, we'll
-             need to make LTWRAPPER_OPTION_PREFIX a configure-time option
-             or a configure.ac-settable value.
-           */
-          lt_fatal (__FILE__, __LINE__,
-		    "unrecognized %s option: '%s'",
-                    ltwrapper_option_prefix, argvi);
-        }
-      /* otherwise ... */
-      newargz++newargc = xstrdup (argvi);
-    }
-  newargz++newargc = NULL;
-
-EOF
-	    cat <<EOF
-  /* The GNU banner must be the first non-error debug message */
-  lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE) $VERSION\n");
-EOF
-	    cat <<"EOF"
-  lt_debugprintf (__FILE__, __LINE__, "(main) argv0: %s\n", argv0);
-  lt_debugprintf (__FILE__, __LINE__, "(main) program_name: %s\n", program_name);
-
-  tmp_pathspec = find_executable (argv0);
-  if (tmp_pathspec == NULL)
-    lt_fatal (__FILE__, __LINE__, "couldn't find %s", argv0);
-  lt_debugprintf (__FILE__, __LINE__,
-                  "(main) found exe (before symlink chase) at: %s\n",
-		  tmp_pathspec);
-
-  actual_cwrapper_path = chase_symlinks (tmp_pathspec);
-  lt_debugprintf (__FILE__, __LINE__,
-                  "(main) found exe (after symlink chase) at: %s\n",
-		  actual_cwrapper_path);
-  XFREE (tmp_pathspec);
-
-  actual_cwrapper_name = xstrdup (base_name (actual_cwrapper_path));
-  strendzap (actual_cwrapper_path, actual_cwrapper_name);
-
-  /* wrapper name transforms */
-  strendzap (actual_cwrapper_name, ".exe");
-  tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1);
-  XFREE (actual_cwrapper_name);
-  actual_cwrapper_name = tmp_pathspec;
-  tmp_pathspec = 0;
-
-  /* target_name transforms -- use actual target program name; might have lt- prefix */
-  target_name = xstrdup (base_name (TARGET_PROGRAM_NAME));
-  strendzap (target_name, ".exe");
-  tmp_pathspec = lt_extend_str (target_name, ".exe", 1);
-  XFREE (target_name);
-  target_name = tmp_pathspec;
-  tmp_pathspec = 0;
-
-  lt_debugprintf (__FILE__, __LINE__,
-		  "(main) libtool target name: %s\n",
-		  target_name);
-EOF
-
-	    cat <<EOF
-  newargz0 =
-    XMALLOC (char, (strlen (actual_cwrapper_path) +
-		    strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1));
-  strcpy (newargz0, actual_cwrapper_path);
-  strcat (newargz0, "$objdir");
-  strcat (newargz0, "/");
-EOF
-
-	    cat <<"EOF"
-  /* stop here, and copy so we don't have to do this twice */
-  tmp_pathspec = xstrdup (newargz0);
-
-  /* do NOT want the lt- prefix here, so use actual_cwrapper_name */
-  strcat (newargz0, actual_cwrapper_name);
-
-  /* DO want the lt- prefix here if it exists, so use target_name */
-  lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1);
-  XFREE (tmp_pathspec);
-  tmp_pathspec = NULL;
-EOF
-
-	    case $host_os in
-	      mingw*)
-	    cat <<"EOF"
-  {
-    char* p;
-    while ((p = strchr (newargz0, '\\')) != NULL)
-      {
-	*p = '/';
-      }
-    while ((p = strchr (lt_argv_zero, '\\')) != NULL)
-      {
-	*p = '/';
-      }
-  }
-EOF
-	    ;;
-	    esac
-
-	    cat <<"EOF"
-  XFREE (target_name);
-  XFREE (actual_cwrapper_path);
-  XFREE (actual_cwrapper_name);
-
-  lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */
-  lt_setenv ("DUALCASE", "1");  /* for MSK sh */
-  /* Update the DLL searchpath.  EXE_PATH_VALUE ($dllsearchpath) must
-     be prepended before (that is, appear after) LIB_PATH_VALUE ($temp_rpath)
-     because on Windows, both *_VARNAMEs are PATH but uninstalled
-     libraries must come first. */
-  lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE);
-  lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE);
-
-  lt_debugprintf (__FILE__, __LINE__, "(main) lt_argv_zero: %s\n",
-		  nonnull (lt_argv_zero));
-  for (i = 0; i < newargc; i++)
-    {
-      lt_debugprintf (__FILE__, __LINE__, "(main) newargz%d: %s\n",
-		      i, nonnull (newargzi));
-    }
-
-EOF
-
-	    case $host_os in
-	      mingw*)
-		cat <<"EOF"
-  /* execv doesn't actually work on mingw as expected on unix */
-  newargz = prepare_spawn (newargz);
-  rval = (int) _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
-  if (rval == -1)
-    {
-      /* failed to start process */
-      lt_debugprintf (__FILE__, __LINE__,
-		      "(main) failed to launch target \"%s\": %s\n",
-		      lt_argv_zero, nonnull (strerror (errno)));
-      return 127;
-    }
-  return rval;
-EOF
-		;;
-	      *)
-		cat <<"EOF"
-  execv (lt_argv_zero, newargz);
-  return rval; /* =127, but avoids unused variable warning */
-EOF
-		;;
-	    esac
-
-	    cat <<"EOF"
-}
-
-void *
-xmalloc (size_t num)
-{
-  void *p = (void *) malloc (num);
-  if (!p)
-    lt_fatal (__FILE__, __LINE__, "memory exhausted");
-
-  return p;
-}
-
-char *
-xstrdup (const char *string)
-{
-  return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
-			  string) : NULL;
-}
-
-const char *
-base_name (const char *name)
-{
-  const char *base;
-
-#if defined HAVE_DOS_BASED_FILE_SYSTEM
-  /* Skip over the disk name in MSDOS pathnames. */
-  if (isalpha ((unsigned char) name0) && name1 == ':')
-    name += 2;
-#endif
-
-  for (base = name; *name; name++)
-    if (IS_DIR_SEPARATOR (*name))
-      base = name + 1;
-  return base;
-}
-
-int
-check_executable (const char *path)
-{
-  struct stat st;
-
-  lt_debugprintf (__FILE__, __LINE__, "(check_executable): %s\n",
-                  nonempty (path));
-  if ((!path) || (!*path))
-    return 0;
-
-  if ((stat (path, &st) >= 0)
-      && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
-    return 1;
-  else
-    return 0;
-}
-
-int
-make_executable (const char *path)
-{
-  int rval = 0;
-  struct stat st;
-
-  lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n",
-                  nonempty (path));
-  if ((!path) || (!*path))
-    return 0;
-
-  if (stat (path, &st) >= 0)
-    {
-      rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
-    }
-  return rval;
-}
-
-/* Searches for the full path of the wrapper.  Returns
-   newly allocated full path name if found, NULL otherwise
-   Does not chase symlinks, even on platforms that support them.
-*/
-char *
-find_executable (const char *wrapper)
-{
-  int has_slash = 0;
-  const char *p;
-  const char *p_next;
-  /* static buffer for getcwd */
-  char tmpLT_PATHMAX + 1;
-  size_t tmp_len;
-  char *concat_name;
-
-  lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n",
-                  nonempty (wrapper));
-
-  if ((wrapper == NULL) || (*wrapper == '\0'))
-    return NULL;
-
-  /* Absolute path? */
-#if defined HAVE_DOS_BASED_FILE_SYSTEM
-  if (isalpha ((unsigned char) wrapper0) && wrapper1 == ':')
-    {
-      concat_name = xstrdup (wrapper);
-      if (check_executable (concat_name))
-	return concat_name;
-      XFREE (concat_name);
-    }
-  else
-    {
-#endif
-      if (IS_DIR_SEPARATOR (wrapper0))
-	{
-	  concat_name = xstrdup (wrapper);
-	  if (check_executable (concat_name))
-	    return concat_name;
-	  XFREE (concat_name);
-	}
-#if defined HAVE_DOS_BASED_FILE_SYSTEM
-    }
-#endif
-
-  for (p = wrapper; *p; p++)
-    if (*p == '/')
-      {
-	has_slash = 1;
-	break;
-      }
-  if (!has_slash)
-    {
-      /* no slashes; search PATH */
-      const char *path = getenv ("PATH");
-      if (path != NULL)
-	{
-	  for (p = path; *p; p = p_next)
-	    {
-	      const char *q;
-	      size_t p_len;
-	      for (q = p; *q; q++)
-		if (IS_PATH_SEPARATOR (*q))
-		  break;
-	      p_len = (size_t) (q - p);
-	      p_next = (*q == '\0' ? q : q + 1);
-	      if (p_len == 0)
-		{
-		  /* empty path: current directory */
-		  if (getcwd (tmp, LT_PATHMAX) == NULL)
-		    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
-                              nonnull (strerror (errno)));
-		  tmp_len = strlen (tmp);
-		  concat_name =
-		    XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
-		  memcpy (concat_name, tmp, tmp_len);
-		  concat_nametmp_len = '/';
-		  strcpy (concat_name + tmp_len + 1, wrapper);
-		}
-	      else
-		{
-		  concat_name =
-		    XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
-		  memcpy (concat_name, p, p_len);
-		  concat_namep_len = '/';
-		  strcpy (concat_name + p_len + 1, wrapper);
-		}
-	      if (check_executable (concat_name))
-		return concat_name;
-	      XFREE (concat_name);
-	    }
-	}
-      /* not found in PATH; assume curdir */
-    }
-  /* Relative path | not found in path: prepend cwd */
-  if (getcwd (tmp, LT_PATHMAX) == NULL)
-    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
-              nonnull (strerror (errno)));
-  tmp_len = strlen (tmp);
-  concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
-  memcpy (concat_name, tmp, tmp_len);
-  concat_nametmp_len = '/';
-  strcpy (concat_name + tmp_len + 1, wrapper);
-
-  if (check_executable (concat_name))
-    return concat_name;
-  XFREE (concat_name);
-  return NULL;
-}
-
-char *
-chase_symlinks (const char *pathspec)
-{
-#ifndef S_ISLNK
-  return xstrdup (pathspec);
-#else
-  char bufLT_PATHMAX;
-  struct stat s;
-  char *tmp_pathspec = xstrdup (pathspec);
-  char *p;
-  int has_symlinks = 0;
-  while (strlen (tmp_pathspec) && !has_symlinks)
-    {
-      lt_debugprintf (__FILE__, __LINE__,
-		      "checking path component for symlinks: %s\n",
-		      tmp_pathspec);
-      if (lstat (tmp_pathspec, &s) == 0)
-	{
-	  if (S_ISLNK (s.st_mode) != 0)
-	    {
-	      has_symlinks = 1;
-	      break;
-	    }
-
-	  /* search backwards for last DIR_SEPARATOR */
-	  p = tmp_pathspec + strlen (tmp_pathspec) - 1;
-	  while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
-	    p--;
-	  if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
-	    {
-	      /* no more DIR_SEPARATORS left */
-	      break;
-	    }
-	  *p = '\0';
-	}
-      else
-	{
-	  lt_fatal (__FILE__, __LINE__,
-		    "error accessing file \"%s\": %s",
-		    tmp_pathspec, nonnull (strerror (errno)));
-	}
-    }
-  XFREE (tmp_pathspec);
-
-  if (!has_symlinks)
-    {
-      return xstrdup (pathspec);
-    }
-
-  tmp_pathspec = realpath (pathspec, buf);
-  if (tmp_pathspec == 0)
-    {
-      lt_fatal (__FILE__, __LINE__,
-		"could not follow symlinks for %s", pathspec);
-    }
-  return xstrdup (tmp_pathspec);
-#endif
-}
-
-char *
-strendzap (char *str, const char *pat)
-{
-  size_t len, patlen;
-
-  assert (str != NULL);
-  assert (pat != NULL);
-
-  len = strlen (str);
-  patlen = strlen (pat);
-
-  if (patlen <= len)
-    {
-      str += len - patlen;
-      if (STREQ (str, pat))
-	*str = '\0';
-    }
-  return str;
-}
-
-void
-lt_debugprintf (const char *file, int line, const char *fmt, ...)
-{
-  va_list args;
-  if (lt_debug)
-    {
-      (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line);
-      va_start (args, fmt);
-      (void) vfprintf (stderr, fmt, args);
-      va_end (args);
-    }
-}
-
-static void
-lt_error_core (int exit_status, const char *file,
-	       int line, const char *mode,
-	       const char *message, va_list ap)
-{
-  fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode);
-  vfprintf (stderr, message, ap);
-  fprintf (stderr, ".\n");
-
-  if (exit_status >= 0)
-    exit (exit_status);
-}
-
-void
-lt_fatal (const char *file, int line, const char *message, ...)
-{
-  va_list ap;
-  va_start (ap, message);
-  lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap);
-  va_end (ap);
-}
-
-static const char *
-nonnull (const char *s)
-{
-  return s ? s : "(null)";
-}
-
-static const char *
-nonempty (const char *s)
-{
-  return (s && !*s) ? "(empty)" : nonnull (s);
-}
-
-void
-lt_setenv (const char *name, const char *value)
-{
-  lt_debugprintf (__FILE__, __LINE__,
-		  "(lt_setenv) setting '%s' to '%s'\n",
-                  nonnull (name), nonnull (value));
-  {
-#ifdef HAVE_SETENV
-    /* always make a copy, for consistency with !HAVE_SETENV */
-    char *str = xstrdup (value);
-    setenv (name, str, 1);
-#else
-    size_t len = strlen (name) + 1 + strlen (value) + 1;
-    char *str = XMALLOC (char, len);
-    sprintf (str, "%s=%s", name, value);
-    if (putenv (str) != EXIT_SUCCESS)
-      {
-        XFREE (str);
-      }
-#endif
-  }
-}
-
-char *
-lt_extend_str (const char *orig_value, const char *add, int to_end)
-{
-  char *new_value;
-  if (orig_value && *orig_value)
-    {
-      size_t orig_value_len = strlen (orig_value);
-      size_t add_len = strlen (add);
-      new_value = XMALLOC (char, add_len + orig_value_len + 1);
-      if (to_end)
-        {
-          strcpy (new_value, orig_value);
-          strcpy (new_value + orig_value_len, add);
-        }
-      else
-        {
-          strcpy (new_value, add);
-          strcpy (new_value + add_len, orig_value);
-        }
-    }
-  else
-    {
-      new_value = xstrdup (add);
-    }
-  return new_value;
-}
-
-void
-lt_update_exe_path (const char *name, const char *value)
-{
-  lt_debugprintf (__FILE__, __LINE__,
-		  "(lt_update_exe_path) modifying '%s' by prepending '%s'\n",
-                  nonnull (name), nonnull (value));
-
-  if (name && *name && value && *value)
-    {
-      char *new_value = lt_extend_str (getenv (name), value, 0);
-      /* some systems can't cope with a ':'-terminated path #' */
-      size_t len = strlen (new_value);
-      while ((len > 0) && IS_PATH_SEPARATOR (new_valuelen-1))
-        {
-          new_value--len = '\0';
-        }
-      lt_setenv (name, new_value);
-      XFREE (new_value);
-    }
-}
-
-void
-lt_update_lib_path (const char *name, const char *value)
-{
-  lt_debugprintf (__FILE__, __LINE__,
-		  "(lt_update_lib_path) modifying '%s' by prepending '%s'\n",
-                  nonnull (name), nonnull (value));
-
-  if (name && *name && value && *value)
-    {
-      char *new_value = lt_extend_str (getenv (name), value, 0);
-      lt_setenv (name, new_value);
-      XFREE (new_value);
-    }
-}
-
-EOF
-	    case $host_os in
-	      mingw*)
-		cat <<"EOF"
-
-/* Prepares an argument vector before calling spawn().
-   Note that spawn() does not by itself call the command interpreter
-     (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") :
-      ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
-         GetVersionEx(&v);
-         v.dwPlatformId == VER_PLATFORM_WIN32_NT;
-      }) ? "cmd.exe" : "command.com").
-   Instead it simply concatenates the arguments, separated by ' ', and calls
-   CreateProcess().  We must quote the arguments since Win32 CreateProcess()
-   interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a
-   special way:
-   - Space and tab are interpreted as delimiters. They are not treated as
-     delimiters if they are surrounded by double quotes: "...".
-   - Unescaped double quotes are removed from the input. Their only effect is
-     that within double quotes, space and tab are treated like normal
-     characters.
-   - Backslashes not followed by double quotes are not special.
-   - But 2*n+1 backslashes followed by a double quote become
-     n backslashes followed by a double quote (n >= 0):
-       \" -> "
-       \\\" -> \"
-       \\\\\" -> \\"
- */
-#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
-#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
-char **
-prepare_spawn (char **argv)
-{
-  size_t argc;
-  char **new_argv;
-  size_t i;
-
-  /* Count number of arguments.  */
-  for (argc = 0; argvargc != NULL; argc++)
-    ;
-
-  /* Allocate new argument vector.  */
-  new_argv = XMALLOC (char *, argc + 1);
-
-  /* Put quoted arguments into the new argument vector.  */
-  for (i = 0; i < argc; i++)
-    {
-      const char *string = argvi;
-
-      if (string0 == '\0')
-	new_argvi = xstrdup ("\"\"");
-      else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL)
-	{
-	  int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL);
-	  size_t length;
-	  unsigned int backslashes;
-	  const char *s;
-	  char *quoted_string;
-	  char *p;
-
-	  length = 0;
-	  backslashes = 0;
-	  if (quote_around)
-	    length++;
-	  for (s = string; *s != '\0'; s++)
-	    {
-	      char c = *s;
-	      if (c == '"')
-		length += backslashes + 1;
-	      length++;
-	      if (c == '\\')
-		backslashes++;
-	      else
-		backslashes = 0;
-	    }
-	  if (quote_around)
-	    length += backslashes + 1;
-
-	  quoted_string = XMALLOC (char, length + 1);
-
-	  p = quoted_string;
-	  backslashes = 0;
-	  if (quote_around)
-	    *p++ = '"';
-	  for (s = string; *s != '\0'; s++)
-	    {
-	      char c = *s;
-	      if (c == '"')
-		{
-		  unsigned int j;
-		  for (j = backslashes + 1; j > 0; j--)
-		    *p++ = '\\';
-		}
-	      *p++ = c;
-	      if (c == '\\')
-		backslashes++;
-	      else
-		backslashes = 0;
-	    }
-	  if (quote_around)
-	    {
-	      unsigned int j;
-	      for (j = backslashes; j > 0; j--)
-		*p++ = '\\';
-	      *p++ = '"';
-	    }
-	  *p = '\0';
-
-	  new_argvi = quoted_string;
-	}
-      else
-	new_argvi = (char *) string;
-    }
-  new_argvargc = NULL;
-
-  return new_argv;
-}
-EOF
-		;;
-	    esac
-
-            cat <<"EOF"
-void lt_dump_script (FILE* f)
-{
-EOF
-	    func_emit_wrapper yes |
-	      $SED -n -e '
-s/^$.\{79\}$$..*$/\1\
-\2/
-h
-s/$\\"$/\\\1/g
-s/$/\\n/
-s/$^\n*$.*/  fputs ("\1", f);/p
-g
-D'
-            cat <<"EOF"
-}
-EOF
-}
-# end: func_emit_cwrapperexe_src
-
-# func_win32_import_lib_p ARG
-# True if ARG is an import lib, as indicated by $file_magic_cmd
-func_win32_import_lib_p ()
-{
-    $debug_cmd
-
-    case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in
-    *import*) : ;;
-    *) false ;;
-    esac
-}
-
-# func_suncc_cstd_abi
-# !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!!
-# Several compiler flags select an ABI that is incompatible with the
-# Cstd library. Avoid specifying it if any are in CXXFLAGS.
-func_suncc_cstd_abi ()
-{
-    $debug_cmd
-
-    case " $compile_command " in
-    *" -compat=g "*|*\ -std=c++0-90-9\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*)
-      suncc_use_cstd_abi=no
-      ;;
-    *)
-      suncc_use_cstd_abi=yes
-      ;;
-    esac
-}
-
-# func_mode_link arg...
-func_mode_link ()
-{
-    $debug_cmd
-
-    case $host in
-    *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
-      # It is impossible to link a dll without this setting, and
-      # we shouldn't force the makefile maintainer to figure out
-      # what system we are compiling for in order to pass an extra
-      # flag for every libtool invocation.
-      # allow_undefined=no
-
-      # FIXME: Unfortunately, there are problems with the above when trying
-      # to make a dll that has undefined symbols, in which case not
-      # even a static library is built.  For now, we need to specify
-      # -no-undefined on the libtool link line when we can be certain
-      # that all symbols are satisfied, otherwise we get a static library.
-      allow_undefined=yes
-      ;;
-    *)
-      allow_undefined=yes
-      ;;
-    esac
-    libtool_args=$nonopt
-    base_compile="$nonopt $@"
-    compile_command=$nonopt
-    finalize_command=$nonopt
-
-    compile_rpath=
-    finalize_rpath=
-    compile_shlibpath=
-    finalize_shlibpath=
-    convenience=
-    old_convenience=
-    deplibs=
-    old_deplibs=
-    compiler_flags=
-    linker_flags=
-    dllsearchpath=
-    lib_search_path=`pwd`
-    inst_prefix_dir=
-    new_inherited_linker_flags=
-
-    avoid_version=no
-    bindir=
-    dlfiles=
-    dlprefiles=
-    dlself=no
-    export_dynamic=no
-    export_symbols=
-    export_symbols_regex=
-    generated=
-    libobjs=
-    ltlibs=
-    module=no
-    no_install=no
-    objs=
-    os2dllname=
-    non_pic_objects=
-    precious_files_regex=
-    prefer_static_libs=no
-    preload=false
-    prev=
-    prevarg=
-    release=
-    rpath=
-    xrpath=
-    perm_rpath=
-    temp_rpath=
-    thread_safe=no
-    vinfo=
-    vinfo_number=no
-    weak_libs=
-    single_module=$wl-single_module
-    func_infer_tag $base_compile
-
-    # We need to know -static, to get the right output filenames.
-    for arg
-    do
-      case $arg in
-      -shared)
-	test yes != "$build_libtool_libs" \
-	  && func_fatal_configuration "cannot build a shared library"
-	build_old_libs=no
-	break
-	;;
-      -all-static | -static | -static-libtool-libs)
-	case $arg in
-	-all-static)
-	  if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then
-	    func_warning "complete static linking is impossible in this configuration"
-	  fi
-	  if test -n "$link_static_flag"; then
-	    dlopen_self=$dlopen_self_static
-	  fi
-	  prefer_static_libs=yes
-	  ;;
-	-static)
-	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
-	    dlopen_self=$dlopen_self_static
-	  fi
-	  prefer_static_libs=built
-	  ;;
-	-static-libtool-libs)
-	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
-	    dlopen_self=$dlopen_self_static
-	  fi
-	  prefer_static_libs=yes
-	  ;;
-	esac
-	build_libtool_libs=no
-	build_old_libs=yes
-	break
-	;;
-      esac
-    done
-
-    # See if our shared archives depend on static archives.
-    test -n "$old_archive_from_new_cmds" && build_old_libs=yes
-
-    # Go through the arguments, transforming them on the way.
-    while test "$#" -gt 0; do
-      arg=$1
-      shift
-      func_quote_for_eval "$arg"
-      qarg=$func_quote_for_eval_unquoted_result
-      func_append libtool_args " $func_quote_for_eval_result"
-
-      # If the previous option needs an argument, assign it.
-      if test -n "$prev"; then
-	case $prev in
-	output)
-	  func_append compile_command " @OUTPUT@"
-	  func_append finalize_command " @OUTPUT@"
-	  ;;
-	esac
-
-	case $prev in
-	bindir)
-	  bindir=$arg
-	  prev=
-	  continue
-	  ;;
-	dlfiles|dlprefiles)
-	  $preload || {
-	    # Add the symbol object into the linking commands.
-	    func_append compile_command " @SYMFILE@"
-	    func_append finalize_command " @SYMFILE@"
-	    preload=:
-	  }
-	  case $arg in
-	  *.la | *.lo) ;;  # We handle these cases below.
-	  force)
-	    if test no = "$dlself"; then
-	      dlself=needless
-	      export_dynamic=yes
-	    fi
-	    prev=
-	    continue
-	    ;;
-	  self)
-	    if test dlprefiles = "$prev"; then
-	      dlself=yes
-	    elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then
-	      dlself=yes
-	    else
-	      dlself=needless
-	      export_dynamic=yes
-	    fi
-	    prev=
-	    continue
-	    ;;
-	  *)
-	    if test dlfiles = "$prev"; then
-	      func_append dlfiles " $arg"
-	    else
-	      func_append dlprefiles " $arg"
-	    fi
-	    prev=
-	    continue
-	    ;;
-	  esac
-	  ;;
-	expsyms)
-	  export_symbols=$arg
-	  test -f "$arg" \
-	    || func_fatal_error "symbol file '$arg' does not exist"
-	  prev=
-	  continue
-	  ;;
-	expsyms_regex)
-	  export_symbols_regex=$arg
-	  prev=
-	  continue
-	  ;;
-	framework)
-	  case $host in
-	    *-*-darwin*)
-	      case "$deplibs " in
-		*" $qarg.ltframework "*) ;;
-		*) func_append deplibs " $qarg.ltframework" # this is fixed later
-		   ;;
-	      esac
-	      ;;
-	  esac
-	  prev=
-	  continue
-	  ;;
-	inst_prefix)
-	  inst_prefix_dir=$arg
-	  prev=
-	  continue
-	  ;;
-	mllvm)
-	  # Clang does not use LLVM to link, so we can simply discard any
-	  # '-mllvm $arg' options when doing the link step.
-	  prev=
-	  continue
-	  ;;
-	objectlist)
-	  if test -f "$arg"; then
-	    save_arg=$arg
-	    moreargs=
-	    for fil in `cat "$save_arg"`
-	    do
-#	      func_append moreargs " $fil"
-	      arg=$fil
-	      # A libtool-controlled object.
-
-	      # Check to see that this really is a libtool object.
-	      if func_lalib_unsafe_p "$arg"; then
-		pic_object=
-		non_pic_object=
-
-		# Read the .lo file
-		func_source "$arg"
-
-		if test -z "$pic_object" ||
-		   test -z "$non_pic_object" ||
-		   test none = "$pic_object" &&
-		   test none = "$non_pic_object"; then
-		  func_fatal_error "cannot find name of object for '$arg'"
-		fi
-
-		# Extract subdirectory from the argument.
-		func_dirname "$arg" "/" ""
-		xdir=$func_dirname_result
-
-		if test none != "$pic_object"; then
-		  # Prepend the subdirectory the object is found in.
-		  pic_object=$xdir$pic_object
-
-		  if test dlfiles = "$prev"; then
-		    if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then
-		      func_append dlfiles " $pic_object"
-		      prev=
-		      continue
-		    else
-		      # If libtool objects are unsupported, then we need to preload.
-		      prev=dlprefiles
-		    fi
-		  fi
-
-		  # CHECK ME:  I think I busted this.  -Ossama
-		  if test dlprefiles = "$prev"; then
-		    # Preload the old-style object.
-		    func_append dlprefiles " $pic_object"
-		    prev=
-		  fi
-
-		  # A PIC object.
-		  func_append libobjs " $pic_object"
-		  arg=$pic_object
-		fi
-
-		# Non-PIC object.
-		if test none != "$non_pic_object"; then
-		  # Prepend the subdirectory the object is found in.
-		  non_pic_object=$xdir$non_pic_object
-
-		  # A standard non-PIC object
-		  func_append non_pic_objects " $non_pic_object"
-		  if test -z "$pic_object" || test none = "$pic_object"; then
-		    arg=$non_pic_object
-		  fi
-		else
-		  # If the PIC object exists, use it instead.
-		  # $xdir was prepended to $pic_object above.
-		  non_pic_object=$pic_object
-		  func_append non_pic_objects " $non_pic_object"
-		fi
-	      else
-		# Only an error if not doing a dry-run.
-		if $opt_dry_run; then
-		  # Extract subdirectory from the argument.
-		  func_dirname "$arg" "/" ""
-		  xdir=$func_dirname_result
-
-		  func_lo2o "$arg"
-		  pic_object=$xdir$objdir/$func_lo2o_result
-		  non_pic_object=$xdir$func_lo2o_result
-		  func_append libobjs " $pic_object"
-		  func_append non_pic_objects " $non_pic_object"
-	        else
-		  func_fatal_error "'$arg' is not a valid libtool object"
-		fi
-	      fi
-	    done
-	  else
-	    func_fatal_error "link input file '$arg' does not exist"
-	  fi
-	  arg=$save_arg
-	  prev=
-	  continue
-	  ;;
-	os2dllname)
-	  os2dllname=$arg
-	  prev=
-	  continue
-	  ;;
-	precious_regex)
-	  precious_files_regex=$arg
-	  prev=
-	  continue
-	  ;;
-	release)
-	  release=-$arg
-	  prev=
-	  continue
-	  ;;
-	rpath | xrpath)
-	  # We need an absolute path.
-	  case $arg in
-	  \\/* | A-Za-z:\\/*) ;;
-	  *)
-	    func_fatal_error "only absolute run-paths are allowed"
-	    ;;
-	  esac
-	  if test rpath = "$prev"; then
-	    case "$rpath " in
-	    *" $arg "*) ;;
-	    *) func_append rpath " $arg" ;;
-	    esac
-	  else
-	    case "$xrpath " in
-	    *" $arg "*) ;;
-	    *) func_append xrpath " $arg" ;;
-	    esac
-	  fi
-	  prev=
-	  continue
-	  ;;
-	shrext)
-	  shrext_cmds=$arg
-	  prev=
-	  continue
-	  ;;
-	weak)
-	  func_append weak_libs " $arg"
-	  prev=
-	  continue
-	  ;;
-	xcclinker)
-	  func_append linker_flags " $qarg"
-	  func_append compiler_flags " $qarg"
-	  prev=
-	  func_append compile_command " $qarg"
-	  func_append finalize_command " $qarg"
-	  continue
-	  ;;
-	xcompiler)
-	  func_append compiler_flags " $qarg"
-	  prev=
-	  func_append compile_command " $qarg"
-	  func_append finalize_command " $qarg"
-	  continue
-	  ;;
-	xlinker)
-	  func_append linker_flags " $qarg"
-	  func_append compiler_flags " $wl$qarg"
-	  prev=
-	  func_append compile_command " $wl$qarg"
-	  func_append finalize_command " $wl$qarg"
-	  continue
-	  ;;
-	*)
-	  eval "$prev=\"\$arg\""
-	  prev=
-	  continue
-	  ;;
-	esac
-      fi # test -n "$prev"
-
-      prevarg=$arg
-
-      case $arg in
-      -all-static)
-	if test -n "$link_static_flag"; then
-	  # See comment for -static flag below, for more details.
-	  func_append compile_command " $link_static_flag"
-	  func_append finalize_command " $link_static_flag"
-	fi
-	continue
-	;;
-
-      -allow-undefined)
-	# FIXME: remove this flag sometime in the future.
-	func_fatal_error "'-allow-undefined' must not be used because it is the default"
-	;;
-
-      -avoid-version)
-	avoid_version=yes
-	continue
-	;;
-
-      -bindir)
-	prev=bindir
-	continue
-	;;
-
-      -dlopen)
-	prev=dlfiles
-	continue
-	;;
-
-      -dlpreopen)
-	prev=dlprefiles
-	continue
-	;;
-
-      -export-dynamic)
-	export_dynamic=yes
-	continue
-	;;
-
-      -export-symbols | -export-symbols-regex)
-	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
-	  func_fatal_error "more than one -exported-symbols argument is not allowed"
-	fi
-	if test X-export-symbols = "X$arg"; then
-	  prev=expsyms
-	else
-	  prev=expsyms_regex
-	fi
-	continue
-	;;
-
-      -framework)
-	prev=framework
-	continue
-	;;
-
-      -inst-prefix-dir)
-	prev=inst_prefix
-	continue
-	;;
-
-      # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
-      # so, if we see these flags be careful not to treat them like -L
-      -LA-ZA-Z*:*)
-	case $with_gcc/$host in
-	no/*-*-irix* | /*-*-irix*)
-	  func_append compile_command " $arg"
-	  func_append finalize_command " $arg"
-	  ;;
-	esac
-	continue
-	;;
-
-      -L*)
-	func_stripname "-L" '' "$arg"
-	if test -z "$func_stripname_result"; then
-	  if test "$#" -gt 0; then
-	    func_fatal_error "require no space between '-L' and '$1'"
-	  else
-	    func_fatal_error "need path for '-L' option"
-	  fi
-	fi
-	func_resolve_sysroot "$func_stripname_result"
-	dir=$func_resolve_sysroot_result
-	# We need an absolute path.
-	case $dir in
-	\\/* | A-Za-z:\\/*) ;;
-	*)
-	  absdir=`cd "$dir" && pwd`
-	  test -z "$absdir" && \
-	    func_fatal_error "cannot determine absolute directory name of '$dir'"
-	  dir=$absdir
-	  ;;
-	esac
-	case "$deplibs " in
-	*" -L$dir "* | *" $arg "*)
-	  # Will only happen for absolute or sysroot arguments
-	  ;;
-	*)
-	  # Preserve sysroot, but never include relative directories
-	  case $dir in
-	    \\/* | A-Za-z:\\/* | =*) func_append deplibs " $arg" ;;
-	    *) func_append deplibs " -L$dir" ;;
-	  esac
-	  func_append lib_search_path " $dir"
-	  ;;
-	esac
-	case $host in
-	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
-	  testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'`
-	  case :$dllsearchpath: in
-	  *":$dir:"*) ;;
-	  ::) dllsearchpath=$dir;;
-	  *) func_append dllsearchpath ":$dir";;
-	  esac
-	  case :$dllsearchpath: in
-	  *":$testbindir:"*) ;;
-	  ::) dllsearchpath=$testbindir;;
-	  *) func_append dllsearchpath ":$testbindir";;
-	  esac
-	  ;;
-	esac
-	continue
-	;;
-
-      -l*)
-	if test X-lc = "X$arg" || test X-lm = "X$arg"; then
-	  case $host in
-	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*)
-	    # These systems don't actually have a C or math library (as such)
-	    continue
-	    ;;
-	  *-*-os2*)
-	    # These systems don't actually have a C library (as such)
-	    test X-lc = "X$arg" && continue
-	    ;;
-	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*)
-	    # Do not include libc due to us having libc/libc_r.
-	    test X-lc = "X$arg" && continue
-	    ;;
-	  *-*-rhapsody* | *-*-darwin1.012)
-	    # Rhapsody C and math libraries are in the System framework
-	    func_append deplibs " System.ltframework"
-	    continue
-	    ;;
-	  *-*-sco3.2v5* | *-*-sco5v6*)
-	    # Causes problems with __ctype
-	    test X-lc = "X$arg" && continue
-	    ;;
-	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
-	    # Compiler inserts libc in the correct place for threads to work
-	    test X-lc = "X$arg" && continue
-	    ;;
-	  esac
-	elif test X-lc_r = "X$arg"; then
-	 case $host in
-	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*)
-	   # Do not include libc_r directly, use -pthread flag.
-	   continue
-	   ;;
-	 esac
-	fi
-	func_append deplibs " $arg"
-	continue
-	;;
-
-      -mllvm)
-	prev=mllvm
-	continue
-	;;
-
-      -module)
-	module=yes
-	continue
-	;;
-
-      # Tru64 UNIX uses -model arg to determine the layout of C++
-      # classes, name mangling, and exception handling.
-      # Darwin uses the -arch flag to determine output architecture.
-      -model|-arch|-isysroot|--sysroot)
-	func_append compiler_flags " $arg"
-	func_append compile_command " $arg"
-	func_append finalize_command " $arg"
-	prev=xcompiler
-	continue
-	;;
-
-      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
-      |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
-	func_append compiler_flags " $arg"
-	func_append compile_command " $arg"
-	func_append finalize_command " $arg"
-	case "$new_inherited_linker_flags " in
-	    *" $arg "*) ;;
-	    * ) func_append new_inherited_linker_flags " $arg" ;;
-	esac
-	continue
-	;;
-
-      -multi_module)
-	single_module=$wl-multi_module
-	continue
-	;;
-
-      -no-fast-install)
-	fast_install=no
-	continue
-	;;
-
-      -no-install)
-	case $host in
-	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*)
-	  # The PATH hackery in wrapper scripts is required on Windows
-	  # and Darwin in order for the loader to find any dlls it needs.
-	  func_warning "'-no-install' is ignored for $host"
-	  func_warning "assuming '-no-fast-install' instead"
-	  fast_install=no
-	  ;;
-	*) no_install=yes ;;
-	esac
-	continue
-	;;
-
-      -no-undefined)
-	allow_undefined=no
-	continue
-	;;
-
-      -objectlist)
-	prev=objectlist
-	continue
-	;;
-
-      -os2dllname)
-	prev=os2dllname
-	continue
-	;;
-
-      -o) prev=output ;;
-
-      -precious-files-regex)
-	prev=precious_regex
-	continue
-	;;
-
-      -release)
-	prev=release
-	continue
-	;;
-
-      -rpath)
-	prev=rpath
-	continue
-	;;
-
-      -R)
-	prev=xrpath
-	continue
-	;;
-
-      -R*)
-	func_stripname '-R' '' "$arg"
-	dir=$func_stripname_result
-	# We need an absolute path.
-	case $dir in
-	\\/* | A-Za-z:\\/*) ;;
-	=*)
-	  func_stripname '=' '' "$dir"
-	  dir=$lt_sysroot$func_stripname_result
-	  ;;
-	*)
-	  func_fatal_error "only absolute run-paths are allowed"
-	  ;;
-	esac
-	case "$xrpath " in
-	*" $dir "*) ;;
-	*) func_append xrpath " $dir" ;;
-	esac
-	continue
-	;;
-
-      -shared)
-	# The effects of -shared are defined in a previous loop.
-	continue
-	;;
-
-      -shrext)
-	prev=shrext
-	continue
-	;;
-
-      -static | -static-libtool-libs)
-	# The effects of -static are defined in a previous loop.
-	# We used to do the same as -all-static on platforms that
-	# didn't have a PIC flag, but the assumption that the effects
-	# would be equivalent was wrong.  It would break on at least
-	# Digital Unix and AIX.
-	continue
-	;;
-
-      -thread-safe)
-	thread_safe=yes
-	continue
-	;;
-
-      -version-info)
-	prev=vinfo
-	continue
-	;;
-
-      -version-number)
-	prev=vinfo
-	vinfo_number=yes
-	continue
-	;;
-
-      -weak)
-        prev=weak
-	continue
-	;;
-
-      -Wc,*)
-	func_stripname '-Wc,' '' "$arg"
-	args=$func_stripname_result
-	arg=
-	save_ifs=$IFS; IFS=,
-	for flag in $args; do
-	  IFS=$save_ifs
-          func_quote_for_eval "$flag"
-	  func_append arg " $func_quote_for_eval_result"
-	  func_append compiler_flags " $func_quote_for_eval_result"
-	done
-	IFS=$save_ifs
-	func_stripname ' ' '' "$arg"
-	arg=$func_stripname_result
-	;;
-
-      -Wl,*)
-	func_stripname '-Wl,' '' "$arg"
-	args=$func_stripname_result
-	arg=
-	save_ifs=$IFS; IFS=,
-	for flag in $args; do
-	  IFS=$save_ifs
-          func_quote_for_eval "$flag"
-	  func_append arg " $wl$func_quote_for_eval_result"
-	  func_append compiler_flags " $wl$func_quote_for_eval_result"
-	  func_append linker_flags " $func_quote_for_eval_result"
-	done
-	IFS=$save_ifs
-	func_stripname ' ' '' "$arg"
-	arg=$func_stripname_result
-	;;
-
-      -Xcompiler)
-	prev=xcompiler
-	continue
-	;;
-
-      -Xlinker)
-	prev=xlinker
-	continue
-	;;
-
-      -XCClinker)
-	prev=xcclinker
-	continue
-	;;
-
-      # -msg_* for osf cc
-      -msg_*)
-	func_quote_for_eval "$arg"
-	arg=$func_quote_for_eval_result
-	;;
-
-      # Flags to be passed through unchanged, with rationale:
-      # -64, -mips0-9      enable 64-bit mode for the SGI compiler
-      # -r0-90-9*        specify processor for the SGI compiler
-      # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler
-      # +DA*, +DD*           enable 64-bit mode for the HP compiler
-      # -q*                  compiler args for the IBM compiler
-      # -m*, -t45*, -txscale* architecture-specific flags for GCC
-      # -F/path              path to uninstalled frameworks, gcc on darwin
-      # -p, -pg, --coverage, -fprofile-*  profiling flags for GCC
-      # -fstack-protector*   stack protector flags for GCC
-      # @file                GCC response files
-      # -tp=*                Portland pgcc target processor selection
-      # --sysroot=*          for sysroot support
-      # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
-      # -specs=*             GCC specs files
-      # -stdlib=*            select c++ std lib with clang
-      # -fsanitize=*         Clang/GCC memory and address sanitizer
-      -64|-mips0-9|-r0-90-9*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
-      -t45*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
-      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
-      -specs=*|-fsanitize=*)
-        func_quote_for_eval "$arg"
-	arg=$func_quote_for_eval_result
-        func_append compile_command " $arg"
-        func_append finalize_command " $arg"
-        func_append compiler_flags " $arg"
-        continue
-        ;;
-
-      -Z*)
-        if test os2 = "`expr $host : '.*$os2$'`"; then
-          # OS/2 uses -Zxxx to specify OS/2-specific options
-	  compiler_flags="$compiler_flags $arg"
-	  func_append compile_command " $arg"
-	  func_append finalize_command " $arg"
-	  case $arg in
-	  -Zlinker | -Zstack)
-	    prev=xcompiler
-	    ;;
-	  esac
-	  continue
-        else
-	  # Otherwise treat like 'Some other compiler flag' below
-	  func_quote_for_eval "$arg"
-	  arg=$func_quote_for_eval_result
-        fi
-	;;
-
-      # Some other compiler flag.
-      -* | +*)
-        func_quote_for_eval "$arg"
-	arg=$func_quote_for_eval_result
-	;;
-
-      *.$objext)
-	# A standard object.
-	func_append objs " $arg"
-	;;
-
-      *.lo)
-	# A libtool-controlled object.
-
-	# Check to see that this really is a libtool object.
-	if func_lalib_unsafe_p "$arg"; then
-	  pic_object=
-	  non_pic_object=
-
-	  # Read the .lo file
-	  func_source "$arg"
-
-	  if test -z "$pic_object" ||
-	     test -z "$non_pic_object" ||
-	     test none = "$pic_object" &&
-	     test none = "$non_pic_object"; then
-	    func_fatal_error "cannot find name of object for '$arg'"
-	  fi
-
-	  # Extract subdirectory from the argument.
-	  func_dirname "$arg" "/" ""
-	  xdir=$func_dirname_result
-
-	  test none = "$pic_object" || {
-	    # Prepend the subdirectory the object is found in.
-	    pic_object=$xdir$pic_object
-
-	    if test dlfiles = "$prev"; then
-	      if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then
-		func_append dlfiles " $pic_object"
-		prev=
-		continue
-	      else
-		# If libtool objects are unsupported, then we need to preload.
-		prev=dlprefiles
-	      fi
-	    fi
-
-	    # CHECK ME:  I think I busted this.  -Ossama
-	    if test dlprefiles = "$prev"; then
-	      # Preload the old-style object.
-	      func_append dlprefiles " $pic_object"
-	      prev=
-	    fi
-
-	    # A PIC object.
-	    func_append libobjs " $pic_object"
-	    arg=$pic_object
-	  }
-
-	  # Non-PIC object.
-	  if test none != "$non_pic_object"; then
-	    # Prepend the subdirectory the object is found in.
-	    non_pic_object=$xdir$non_pic_object
-
-	    # A standard non-PIC object
-	    func_append non_pic_objects " $non_pic_object"
-	    if test -z "$pic_object" || test none = "$pic_object"; then
-	      arg=$non_pic_object
-	    fi
-	  else
-	    # If the PIC object exists, use it instead.
-	    # $xdir was prepended to $pic_object above.
-	    non_pic_object=$pic_object
-	    func_append non_pic_objects " $non_pic_object"
-	  fi
-	else
-	  # Only an error if not doing a dry-run.
-	  if $opt_dry_run; then
-	    # Extract subdirectory from the argument.
-	    func_dirname "$arg" "/" ""
-	    xdir=$func_dirname_result
-
-	    func_lo2o "$arg"
-	    pic_object=$xdir$objdir/$func_lo2o_result
-	    non_pic_object=$xdir$func_lo2o_result
-	    func_append libobjs " $pic_object"
-	    func_append non_pic_objects " $non_pic_object"
-	  else
-	    func_fatal_error "'$arg' is not a valid libtool object"
-	  fi
-	fi
-	;;
-
-      *.$libext)
-	# An archive.
-	func_append deplibs " $arg"
-	func_append old_deplibs " $arg"
-	continue
-	;;
-
-      *.la)
-	# A libtool-controlled library.
-
-	func_resolve_sysroot "$arg"
-	if test dlfiles = "$prev"; then
-	  # This library was specified with -dlopen.
-	  func_append dlfiles " $func_resolve_sysroot_result"
-	  prev=
-	elif test dlprefiles = "$prev"; then
-	  # The library was specified with -dlpreopen.
-	  func_append dlprefiles " $func_resolve_sysroot_result"
-	  prev=
-	else
-	  func_append deplibs " $func_resolve_sysroot_result"
-	fi
-	continue
-	;;
-
-      # Some other compiler argument.
-      *)
-	# Unknown arguments in both finalize_command and compile_command need
-	# to be aesthetically quoted because they are evaled later.
-	func_quote_for_eval "$arg"
-	arg=$func_quote_for_eval_result
-	;;
-      esac # arg
-
-      # Now actually substitute the argument into the commands.
-      if test -n "$arg"; then
-	func_append compile_command " $arg"
-	func_append finalize_command " $arg"
-      fi
-    done # argument parsing loop
-
-    test -n "$prev" && \
-      func_fatal_help "the '$prevarg' option requires an argument"
-
-    if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then
-      eval arg=\"$export_dynamic_flag_spec\"
-      func_append compile_command " $arg"
-      func_append finalize_command " $arg"
-    fi
-
-    oldlibs=
-    # calculate the name of the file, without its directory
-    func_basename "$output"
-    outputname=$func_basename_result
-    libobjs_save=$libobjs
-
-    if test -n "$shlibpath_var"; then
-      # get the directories listed in $shlibpath_var
-      eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\`
-    else
-      shlib_search_path=
-    fi
-    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
-    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
-
-    # Definition is injected by LT_CONFIG during libtool generation.
-    func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH"
-
-    func_dirname "$output" "/" ""
-    output_objdir=$func_dirname_result$objdir
-    func_to_tool_file "$output_objdir/"
-    tool_output_objdir=$func_to_tool_file_result
-    # Create the object directory.
-    func_mkdir_p "$output_objdir"
-
-    # Determine the type of output
-    case $output in
-    "")
-      func_fatal_help "you must specify an output file"
-      ;;
-    *.$libext) linkmode=oldlib ;;
-    *.lo | *.$objext) linkmode=obj ;;
-    *.la) linkmode=lib ;;
-    *) linkmode=prog ;; # Anything else should be a program.
-    esac
-
-    specialdeplibs=
-
-    libs=
-    # Find all interdependent deplibs by searching for libraries
-    # that are linked more than once (e.g. -la -lb -la)
-    for deplib in $deplibs; do
-      if $opt_preserve_dup_deps; then
-	case "$libs " in
-	*" $deplib "*) func_append specialdeplibs " $deplib" ;;
-	esac
-      fi
-      func_append libs " $deplib"
-    done
-
-    if test lib = "$linkmode"; then
-      libs="$predeps $libs $compiler_lib_search_path $postdeps"
-
-      # Compute libraries that are listed more than once in $predeps
-      # $postdeps and mark them as special (i.e., whose duplicates are
-      # not to be eliminated).
-      pre_post_deps=
-      if $opt_duplicate_compiler_generated_deps; then
-	for pre_post_dep in $predeps $postdeps; do
-	  case "$pre_post_deps " in
-	  *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;;
-	  esac
-	  func_append pre_post_deps " $pre_post_dep"
-	done
-      fi
-      pre_post_deps=
-    fi
-
-    deplibs=
-    newdependency_libs=
-    newlib_search_path=
-    need_relink=no # whether we're linking any uninstalled libtool libraries
-    notinst_deplibs= # not-installed libtool libraries
-    notinst_path= # paths that contain not-installed libtool libraries
-
-    case $linkmode in
-    lib)
-	passes="conv dlpreopen link"
-	for file in $dlfiles $dlprefiles; do
-	  case $file in
-	  *.la) ;;
-	  *)
-	    func_fatal_help "libraries can '-dlopen' only libtool libraries: $file"
-	    ;;
-	  esac
-	done
-	;;
-    prog)
-	compile_deplibs=
-	finalize_deplibs=
-	alldeplibs=false
-	newdlfiles=
-	newdlprefiles=
-	passes="conv scan dlopen dlpreopen link"
-	;;
-    *)  passes="conv"
-	;;
-    esac
-
-    for pass in $passes; do
-      # The preopen pass in lib mode reverses $deplibs; put it back here
-      # so that -L comes before libs that need it for instance...
-      if test lib,link = "$linkmode,$pass"; then
-	## FIXME: Find the place where the list is rebuilt in the wrong
-	##        order, and fix it there properly
-        tmp_deplibs=
-	for deplib in $deplibs; do
-	  tmp_deplibs="$deplib $tmp_deplibs"
-	done
-	deplibs=$tmp_deplibs
-      fi
-
-      if test lib,link = "$linkmode,$pass" ||
-	 test prog,scan = "$linkmode,$pass"; then
-	libs=$deplibs
-	deplibs=
-      fi
-      if test prog = "$linkmode"; then
-	case $pass in
-	dlopen) libs=$dlfiles ;;
-	dlpreopen) libs=$dlprefiles ;;
-	link)
-	  libs="$deplibs %DEPLIBS%"
-	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
-	  ;;
-	esac
-      fi
-      if test lib,dlpreopen = "$linkmode,$pass"; then
-	# Collect and forward deplibs of preopened libtool libs
-	for lib in $dlprefiles; do
-	  # Ignore non-libtool-libs
-	  dependency_libs=
-	  func_resolve_sysroot "$lib"
-	  case $lib in
-	  *.la)	func_source "$func_resolve_sysroot_result" ;;
-	  esac
-
-	  # Collect preopened libtool deplibs, except any this library
-	  # has declared as weak libs
-	  for deplib in $dependency_libs; do
-	    func_basename "$deplib"
-            deplib_base=$func_basename_result
-	    case " $weak_libs " in
-	    *" $deplib_base "*) ;;
-	    *) func_append deplibs " $deplib" ;;
-	    esac
-	  done
-	done
-	libs=$dlprefiles
-      fi
-      if test dlopen = "$pass"; then
-	# Collect dlpreopened libraries
-	save_deplibs=$deplibs
-	deplibs=
-      fi
-
-      for deplib in $libs; do
-	lib=
-	found=false
-	case $deplib in
-	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
-        |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
-	  if test prog,link = "$linkmode,$pass"; then
-	    compile_deplibs="$deplib $compile_deplibs"
-	    finalize_deplibs="$deplib $finalize_deplibs"
-	  else
-	    func_append compiler_flags " $deplib"
-	    if test lib = "$linkmode"; then
-		case "$new_inherited_linker_flags " in
-		    *" $deplib "*) ;;
-		    * ) func_append new_inherited_linker_flags " $deplib" ;;
-		esac
-	    fi
-	  fi
-	  continue
-	  ;;
-	-l*)
-	  if test lib != "$linkmode" && test prog != "$linkmode"; then
-	    func_warning "'-l' is ignored for archives/objects"
-	    continue
-	  fi
-	  func_stripname '-l' '' "$deplib"
-	  name=$func_stripname_result
-	  if test lib = "$linkmode"; then
-	    searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
-	  else
-	    searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
-	  fi
-	  for searchdir in $searchdirs; do
-	    for search_ext in .la $std_shrext .so .a; do
-	      # Search the libtool library
-	      lib=$searchdir/lib$name$search_ext
-	      if test -f "$lib"; then
-		if test .la = "$search_ext"; then
-		  found=:
-		else
-		  found=false
-		fi
-		break 2
-	      fi
-	    done
-	  done
-	  if $found; then
-	    # deplib is a libtool library
-	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
-	    # We need to do some special things here, and not later.
-	    if test yes = "$allow_libtool_libs_with_static_runtimes"; then
-	      case " $predeps $postdeps " in
-	      *" $deplib "*)
-		if func_lalib_p "$lib"; then
-		  library_names=
-		  old_library=
-		  func_source "$lib"
-		  for l in $old_library $library_names; do
-		    ll=$l
-		  done
-		  if test "X$ll" = "X$old_library"; then # only static version available
-		    found=false
-		    func_dirname "$lib" "" "."
-		    ladir=$func_dirname_result
-		    lib=$ladir/$old_library
-		    if test prog,link = "$linkmode,$pass"; then
-		      compile_deplibs="$deplib $compile_deplibs"
-		      finalize_deplibs="$deplib $finalize_deplibs"
-		    else
-		      deplibs="$deplib $deplibs"
-		      test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs"
-		    fi
-		    continue
-		  fi
-		fi
-		;;
-	      *) ;;
-	      esac
-	    fi
-	  else
-	    # deplib doesn't seem to be a libtool library
-	    if test prog,link = "$linkmode,$pass"; then
-	      compile_deplibs="$deplib $compile_deplibs"
-	      finalize_deplibs="$deplib $finalize_deplibs"
-	    else
-	      deplibs="$deplib $deplibs"
-	      test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs"
-	    fi
-	    continue
-	  fi
-	  ;; # -l
-	*.ltframework)
-	  if test prog,link = "$linkmode,$pass"; then
-	    compile_deplibs="$deplib $compile_deplibs"
-	    finalize_deplibs="$deplib $finalize_deplibs"
-	  else
-	    deplibs="$deplib $deplibs"
-	    if test lib = "$linkmode"; then
-		case "$new_inherited_linker_flags " in
-		    *" $deplib "*) ;;
-		    * ) func_append new_inherited_linker_flags " $deplib" ;;
-		esac
-	    fi
-	  fi
-	  continue
-	  ;;
-	-L*)
-	  case $linkmode in
-	  lib)
-	    deplibs="$deplib $deplibs"
-	    test conv = "$pass" && continue
-	    newdependency_libs="$deplib $newdependency_libs"
-	    func_stripname '-L' '' "$deplib"
-	    func_resolve_sysroot "$func_stripname_result"
-	    func_append newlib_search_path " $func_resolve_sysroot_result"
-	    ;;
-	  prog)
-	    if test conv = "$pass"; then
-	      deplibs="$deplib $deplibs"
-	      continue
-	    fi
-	    if test scan = "$pass"; then
-	      deplibs="$deplib $deplibs"
-	    else
-	      compile_deplibs="$deplib $compile_deplibs"
-	      finalize_deplibs="$deplib $finalize_deplibs"
-	    fi
-	    func_stripname '-L' '' "$deplib"
-	    func_resolve_sysroot "$func_stripname_result"
-	    func_append newlib_search_path " $func_resolve_sysroot_result"
-	    ;;
-	  *)
-	    func_warning "'-L' is ignored for archives/objects"
-	    ;;
-	  esac # linkmode
-	  continue
-	  ;; # -L
-	-R*)
-	  if test link = "$pass"; then
-	    func_stripname '-R' '' "$deplib"
-	    func_resolve_sysroot "$func_stripname_result"
-	    dir=$func_resolve_sysroot_result
-	    # Make sure the xrpath contains only unique directories.
-	    case "$xrpath " in
-	    *" $dir "*) ;;
-	    *) func_append xrpath " $dir" ;;
-	    esac
-	  fi
-	  deplibs="$deplib $deplibs"
-	  continue
-	  ;;
-	*.la)
-	  func_resolve_sysroot "$deplib"
-	  lib=$func_resolve_sysroot_result
-	  ;;
-	*.$libext)
-	  if test conv = "$pass"; then
-	    deplibs="$deplib $deplibs"
-	    continue
-	  fi
-	  case $linkmode in
-	  lib)
-	    # Linking convenience modules into shared libraries is allowed,
-	    # but linking other static libraries is non-portable.
-	    case " $dlpreconveniencelibs " in
-	    *" $deplib "*) ;;
-	    *)
-	      valid_a_lib=false
-	      case $deplibs_check_method in
-		match_pattern*)
-		  set dummy $deplibs_check_method; shift
-		  match_pattern_regex=`expr "$deplibs_check_method" : "$1 $.*$"`
-		  if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \
-		    | $EGREP "$match_pattern_regex" > /dev/null; then
-		    valid_a_lib=:
-		  fi
-		;;
-		pass_all)
-		  valid_a_lib=:
-		;;
-	      esac
-	      if $valid_a_lib; then
-		echo
-		$ECHO "*** Warning: Linking the shared library $output against the"
-		$ECHO "*** static library $deplib is not portable!"
-		deplibs="$deplib $deplibs"
-	      else
-		echo
-		$ECHO "*** Warning: Trying to link with static lib archive $deplib."
-		echo "*** I have the capability to make that library automatically link in when"
-		echo "*** you link to this library.  But I can only do this if you have a"
-		echo "*** shared version of the library, which you do not appear to have"
-		echo "*** because the file extensions .$libext of this argument makes me believe"
-		echo "*** that it is just a static archive that I should not use here."
-	      fi
-	      ;;
-	    esac
-	    continue
-	    ;;
-	  prog)
-	    if test link != "$pass"; then
-	      deplibs="$deplib $deplibs"
-	    else
-	      compile_deplibs="$deplib $compile_deplibs"
-	      finalize_deplibs="$deplib $finalize_deplibs"
-	    fi
-	    continue
-	    ;;
-	  esac # linkmode
-	  ;; # *.$libext
-	*.lo | *.$objext)
-	  if test conv = "$pass"; then
-	    deplibs="$deplib $deplibs"
-	  elif test prog = "$linkmode"; then
-	    if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then
-	      # If there is no dlopen support or we're linking statically,
-	      # we need to preload.
-	      func_append newdlprefiles " $deplib"
-	      compile_deplibs="$deplib $compile_deplibs"
-	      finalize_deplibs="$deplib $finalize_deplibs"
-	    else
-	      func_append newdlfiles " $deplib"
-	    fi
-	  fi
-	  continue
-	  ;;
-	%DEPLIBS%)
-	  alldeplibs=:
-	  continue
-	  ;;
-	esac # case $deplib
-
-	$found || test -f "$lib" \
-	  || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'"
-
-	# Check to see that this really is a libtool archive.
-	func_lalib_unsafe_p "$lib" \
-	  || func_fatal_error "'$lib' is not a valid libtool archive"
-
-	func_dirname "$lib" "" "."
-	ladir=$func_dirname_result
-
-	dlname=
-	dlopen=
-	dlpreopen=
-	libdir=
-	library_names=
-	old_library=
-	inherited_linker_flags=
-	# If the library was installed with an old release of libtool,
-	# it will not redefine variables installed, or shouldnotlink
-	installed=yes
-	shouldnotlink=no
-	avoidtemprpath=
-
-
-	# Read the .la file
-	func_source "$lib"
-
-	# Convert "-framework foo" to "foo.ltframework"
-	if test -n "$inherited_linker_flags"; then
-	  tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework $^ $*$/\1.ltframework/g'`
-	  for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
-	    case " $new_inherited_linker_flags " in
-	      *" $tmp_inherited_linker_flag "*) ;;
-	      *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";;
-	    esac
-	  done
-	fi
-	dependency_libs=`$ECHO " $dependency_libs" | $SED 's% $^ $*$.ltframework% -framework \1%g'`
-	if test lib,link = "$linkmode,$pass" ||
-	   test prog,scan = "$linkmode,$pass" ||
-	   { test prog != "$linkmode" && test lib != "$linkmode"; }; then
-	  test -n "$dlopen" && func_append dlfiles " $dlopen"
-	  test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen"
-	fi
-
-	if test conv = "$pass"; then
-	  # Only check for convenience libraries
-	  deplibs="$lib $deplibs"
-	  if test -z "$libdir"; then
-	    if test -z "$old_library"; then
-	      func_fatal_error "cannot find name of link library for '$lib'"
-	    fi
-	    # It is a libtool convenience library, so add in its objects.
-	    func_append convenience " $ladir/$objdir/$old_library"
-	    func_append old_convenience " $ladir/$objdir/$old_library"
-	    tmp_libs=
-	    for deplib in $dependency_libs; do
-	      deplibs="$deplib $deplibs"
-	      if $opt_preserve_dup_deps; then
-		case "$tmp_libs " in
-		*" $deplib "*) func_append specialdeplibs " $deplib" ;;
-		esac
-	      fi
-	      func_append tmp_libs " $deplib"
-	    done
-	  elif test prog != "$linkmode" && test lib != "$linkmode"; then
-	    func_fatal_error "'$lib' is not a convenience library"
-	  fi
-	  continue
-	fi # $pass = conv
-
-
-	# Get the name of the library we link against.
-	linklib=
-	if test -n "$old_library" &&
-	   { test yes = "$prefer_static_libs" ||
-	     test built,no = "$prefer_static_libs,$installed"; }; then
-	  linklib=$old_library
-	else
-	  for l in $old_library $library_names; do
-	    linklib=$l
-	  done
-	fi
-	if test -z "$linklib"; then
-	  func_fatal_error "cannot find name of link library for '$lib'"
-	fi
-
-	# This library was specified with -dlopen.
-	if test dlopen = "$pass"; then
-	  test -z "$libdir" \
-	    && func_fatal_error "cannot -dlopen a convenience library: '$lib'"
-	  if test -z "$dlname" ||
-	     test yes != "$dlopen_support" ||
-	     test no = "$build_libtool_libs"
-	  then
-	    # If there is no dlname, no dlopen support or we're linking
-	    # statically, we need to preload.  We also need to preload any
-	    # dependent libraries so libltdl's deplib preloader doesn't
-	    # bomb out in the load deplibs phase.
-	    func_append dlprefiles " $lib $dependency_libs"
-	  else
-	    func_append newdlfiles " $lib"
-	  fi
-	  continue
-	fi # $pass = dlopen
-
-	# We need an absolute path.
-	case $ladir in
-	\\/* | A-Za-z:\\/*) abs_ladir=$ladir ;;
-	*)
-	  abs_ladir=`cd "$ladir" && pwd`
-	  if test -z "$abs_ladir"; then
-	    func_warning "cannot determine absolute directory name of '$ladir'"
-	    func_warning "passing it literally to the linker, although it might fail"
-	    abs_ladir=$ladir
-	  fi
-	  ;;
-	esac
-	func_basename "$lib"
-	laname=$func_basename_result
-
-	# Find the relevant object directory and library name.
-	if test yes = "$installed"; then
-	  if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
-	    func_warning "library '$lib' was moved."
-	    dir=$ladir
-	    absdir=$abs_ladir
-	    libdir=$abs_ladir
-	  else
-	    dir=$lt_sysroot$libdir
-	    absdir=$lt_sysroot$libdir
-	  fi
-	  test yes = "$hardcode_automatic" && avoidtemprpath=yes
-	else
-	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
-	    dir=$ladir
-	    absdir=$abs_ladir
-	    # Remove this search path later
-	    func_append notinst_path " $abs_ladir"
-	  else
-	    dir=$ladir/$objdir
-	    absdir=$abs_ladir/$objdir
-	    # Remove this search path later
-	    func_append notinst_path " $abs_ladir"
-	  fi
-	fi # $installed = yes
-	func_stripname 'lib' '.la' "$laname"
-	name=$func_stripname_result
-
-	# This library was specified with -dlpreopen.
-	if test dlpreopen = "$pass"; then
-	  if test -z "$libdir" && test prog = "$linkmode"; then
-	    func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'"
-	  fi
-	  case $host in
-	    # special handling for platforms with PE-DLLs.
-	    *cygwin* | *mingw* | *cegcc* )
-	      # Linker will automatically link against shared library if both
-	      # static and shared are present.  Therefore, ensure we extract
-	      # symbols from the import library if a shared library is present
-	      # (otherwise, the dlopen module name will be incorrect).  We do
-	      # this by putting the import library name into $newdlprefiles.
-	      # We recover the dlopen module name by 'saving' the la file
-	      # name in a special purpose variable, and (later) extracting the
-	      # dlname from the la file.
-	      if test -n "$dlname"; then
-	        func_tr_sh "$dir/$linklib"
-	        eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname"
-	        func_append newdlprefiles " $dir/$linklib"
-	      else
-	        func_append newdlprefiles " $dir/$old_library"
-	        # Keep a list of preopened convenience libraries to check
-	        # that they are being used correctly in the link pass.
-	        test -z "$libdir" && \
-	          func_append dlpreconveniencelibs " $dir/$old_library"
-	      fi
-	    ;;
-	    * )
-	      # Prefer using a static library (so that no silly _DYNAMIC symbols
-	      # are required to link).
-	      if test -n "$old_library"; then
-	        func_append newdlprefiles " $dir/$old_library"
-	        # Keep a list of preopened convenience libraries to check
-	        # that they are being used correctly in the link pass.
-	        test -z "$libdir" && \
-	          func_append dlpreconveniencelibs " $dir/$old_library"
-	      # Otherwise, use the dlname, so that lt_dlopen finds it.
-	      elif test -n "$dlname"; then
-	        func_append newdlprefiles " $dir/$dlname"
-	      else
-	        func_append newdlprefiles " $dir/$linklib"
-	      fi
-	    ;;
-	  esac
-	fi # $pass = dlpreopen
-
-	if test -z "$libdir"; then
-	  # Link the convenience library
-	  if test lib = "$linkmode"; then
-	    deplibs="$dir/$old_library $deplibs"
-	  elif test prog,link = "$linkmode,$pass"; then
-	    compile_deplibs="$dir/$old_library $compile_deplibs"
-	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
-	  else
-	    deplibs="$lib $deplibs" # used for prog,scan pass
-	  fi
-	  continue
-	fi
-
-
-	if test prog = "$linkmode" && test link != "$pass"; then
-	  func_append newlib_search_path " $ladir"
-	  deplibs="$lib $deplibs"
-
-	  linkalldeplibs=false
-	  if test no != "$link_all_deplibs" || test -z "$library_names" ||
-	     test no = "$build_libtool_libs"; then
-	    linkalldeplibs=:
-	  fi
-
-	  tmp_libs=
-	  for deplib in $dependency_libs; do
-	    case $deplib in
-	    -L*) func_stripname '-L' '' "$deplib"
-	         func_resolve_sysroot "$func_stripname_result"
-	         func_append newlib_search_path " $func_resolve_sysroot_result"
-		 ;;
-	    esac
-	    # Need to link against all dependency_libs?
-	    if $linkalldeplibs; then
-	      deplibs="$deplib $deplibs"
-	    else
-	      # Need to hardcode shared library paths
-	      # or/and link against static libraries
-	      newdependency_libs="$deplib $newdependency_libs"
-	    fi
-	    if $opt_preserve_dup_deps; then
-	      case "$tmp_libs " in
-	      *" $deplib "*) func_append specialdeplibs " $deplib" ;;
-	      esac
-	    fi
-	    func_append tmp_libs " $deplib"
-	  done # for deplib
-	  continue
-	fi # $linkmode = prog...
-
-	if test prog,link = "$linkmode,$pass"; then
-	  if test -n "$library_names" &&
-	     { { test no = "$prefer_static_libs" ||
-	         test built,yes = "$prefer_static_libs,$installed"; } ||
-	       test -z "$old_library"; }; then
-	    # We need to hardcode the library path
-	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then
-	      # Make sure the rpath contains only unique directories.
-	      case $temp_rpath: in
-	      *"$absdir:"*) ;;
-	      *) func_append temp_rpath "$absdir:" ;;
-	      esac
-	    fi
-
-	    # Hardcode the library path.
-	    # Skip directories that are in the system default run-time
-	    # search path.
-	    case " $sys_lib_dlsearch_path " in
-	    *" $absdir "*) ;;
-	    *)
-	      case "$compile_rpath " in
-	      *" $absdir "*) ;;
-	      *) func_append compile_rpath " $absdir" ;;
-	      esac
-	      ;;
-	    esac
-	    case " $sys_lib_dlsearch_path " in
-	    *" $libdir "*) ;;
-	    *)
-	      case "$finalize_rpath " in
-	      *" $libdir "*) ;;
-	      *) func_append finalize_rpath " $libdir" ;;
-	      esac
-	      ;;
-	    esac
-	  fi # $linkmode,$pass = prog,link...
-
-	  if $alldeplibs &&
-	     { test pass_all = "$deplibs_check_method" ||
-	       { test yes = "$build_libtool_libs" &&
-		 test -n "$library_names"; }; }; then
-	    # We only need to search for static libraries
-	    continue
-	  fi
-	fi
-
-	link_static=no # Whether the deplib will be linked statically
-	use_static_libs=$prefer_static_libs
-	if test built = "$use_static_libs" && test yes = "$installed"; then
-	  use_static_libs=no
-	fi
-	if test -n "$library_names" &&
-	   { test no = "$use_static_libs" || test -z "$old_library"; }; then
-	  case $host in
-	  *cygwin* | *mingw* | *cegcc* | *os2*)
-	      # No point in relinking DLLs because paths are not encoded
-	      func_append notinst_deplibs " $lib"
-	      need_relink=no
-	    ;;
-	  *)
-	    if test no = "$installed"; then
-	      func_append notinst_deplibs " $lib"
-	      need_relink=yes
-	    fi
-	    ;;
-	  esac
-	  # This is a shared library
-
-	  # Warn about portability, can't link against -module's on some
-	  # systems (darwin).  Don't bleat about dlopened modules though!
-	  dlopenmodule=
-	  for dlpremoduletest in $dlprefiles; do
-	    if test "X$dlpremoduletest" = "X$lib"; then
-	      dlopenmodule=$dlpremoduletest
-	      break
-	    fi
-	  done
-	  if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then
-	    echo
-	    if test prog = "$linkmode"; then
-	      $ECHO "*** Warning: Linking the executable $output against the loadable module"
-	    else
-	      $ECHO "*** Warning: Linking the shared library $output against the loadable module"
-	    fi
-	    $ECHO "*** $linklib is not portable!"
-	  fi
-	  if test lib = "$linkmode" &&
-	     test yes = "$hardcode_into_libs"; then
-	    # Hardcode the library path.
-	    # Skip directories that are in the system default run-time
-	    # search path.
-	    case " $sys_lib_dlsearch_path " in
-	    *" $absdir "*) ;;
-	    *)
-	      case "$compile_rpath " in
-	      *" $absdir "*) ;;
-	      *) func_append compile_rpath " $absdir" ;;
-	      esac
-	      ;;
-	    esac
-	    case " $sys_lib_dlsearch_path " in
-	    *" $libdir "*) ;;
-	    *)
-	      case "$finalize_rpath " in
-	      *" $libdir "*) ;;
-	      *) func_append finalize_rpath " $libdir" ;;
-	      esac
-	      ;;
-	    esac
-	  fi
-
-	  if test -n "$old_archive_from_expsyms_cmds"; then
-	    # figure out the soname
-	    set dummy $library_names
-	    shift
-	    realname=$1
-	    shift
-	    libname=`eval "\\$ECHO \"$libname_spec\""`
-	    # use dlname if we got it. it's perfectly good, no?
-	    if test -n "$dlname"; then
-	      soname=$dlname
-	    elif test -n "$soname_spec"; then
-	      # bleh windows
-	      case $host in
-	      *cygwin* | mingw* | *cegcc* | *os2*)
-	        func_arith $current - $age
-		major=$func_arith_result
-		versuffix=-$major
-		;;
-	      esac
-	      eval soname=\"$soname_spec\"
-	    else
-	      soname=$realname
-	    fi
-
-	    # Make a new name for the extract_expsyms_cmds to use
-	    soroot=$soname
-	    func_basename "$soroot"
-	    soname=$func_basename_result
-	    func_stripname 'lib' '.dll' "$soname"
-	    newlib=libimp-$func_stripname_result.a
-
-	    # If the library has no export list, then create one now
-	    if test -f "$output_objdir/$soname-def"; then :
-	    else
-	      func_verbose "extracting exported symbol list from '$soname'"
-	      func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
-	    fi
-
-	    # Create $newlib
-	    if test -f "$output_objdir/$newlib"; then :; else
-	      func_verbose "generating import library for '$soname'"
-	      func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
-	    fi
-	    # make sure the library variables are pointing to the new library
-	    dir=$output_objdir
-	    linklib=$newlib
-	  fi # test -n "$old_archive_from_expsyms_cmds"
-
-	  if test prog = "$linkmode" || test relink != "$opt_mode"; then
-	    add_shlibpath=
-	    add_dir=
-	    add=
-	    lib_linked=yes
-	    case $hardcode_action in
-	    immediate | unsupported)
-	      if test no = "$hardcode_direct"; then
-		add=$dir/$linklib
-		case $host in
-		  *-*-sco3.2v5.0.024*) add_dir=-L$dir ;;
-		  *-*-sysv4*uw2*) add_dir=-L$dir ;;
-		  *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.01.10* | \
-		    *-*-unixware7*) add_dir=-L$dir ;;
-		  *-*-darwin* )
-		    # if the lib is a (non-dlopened) module then we cannot
-		    # link against it, someone is ignoring the earlier warnings
-		    if /usr/bin/file -L $add 2> /dev/null |
-			 $GREP ": ^:* bundle" >/dev/null; then
-		      if test "X$dlopenmodule" != "X$lib"; then
-			$ECHO "*** Warning: lib $linklib is a module, not a shared library"
-			if test -z "$old_library"; then
-			  echo
-			  echo "*** And there doesn't seem to be a static archive available"
-			  echo "*** The link will probably fail, sorry"
-			else
-			  add=$dir/$old_library
-			fi
-		      elif test -n "$old_library"; then
-			add=$dir/$old_library
-		      fi
-		    fi
-		esac
-	      elif test no = "$hardcode_minus_L"; then
-		case $host in
-		*-*-sunos*) add_shlibpath=$dir ;;
-		esac
-		add_dir=-L$dir
-		add=-l$name
-	      elif test no = "$hardcode_shlibpath_var"; then
-		add_shlibpath=$dir
-		add=-l$name
-	      else
-		lib_linked=no
-	      fi
-	      ;;
-	    relink)
-	      if test yes = "$hardcode_direct" &&
-	         test no = "$hardcode_direct_absolute"; then
-		add=$dir/$linklib
-	      elif test yes = "$hardcode_minus_L"; then
-		add_dir=-L$absdir
-		# Try looking first in the location we're being installed to.
-		if test -n "$inst_prefix_dir"; then
-		  case $libdir in
-		    \\/*)
-		      func_append add_dir " -L$inst_prefix_dir$libdir"
-		      ;;
-		  esac
-		fi
-		add=-l$name
-	      elif test yes = "$hardcode_shlibpath_var"; then
-		add_shlibpath=$dir
-		add=-l$name
-	      else
-		lib_linked=no
-	      fi
-	      ;;
-	    *) lib_linked=no ;;
-	    esac
-
-	    if test yes != "$lib_linked"; then
-	      func_fatal_configuration "unsupported hardcode properties"
-	    fi
-
-	    if test -n "$add_shlibpath"; then
-	      case :$compile_shlibpath: in
-	      *":$add_shlibpath:"*) ;;
-	      *) func_append compile_shlibpath "$add_shlibpath:" ;;
-	      esac
-	    fi
-	    if test prog = "$linkmode"; then
-	      test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
-	      test -n "$add" && compile_deplibs="$add $compile_deplibs"
-	    else
-	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
-	      test -n "$add" && deplibs="$add $deplibs"
-	      if test yes != "$hardcode_direct" &&
-		 test yes != "$hardcode_minus_L" &&
-		 test yes = "$hardcode_shlibpath_var"; then
-		case :$finalize_shlibpath: in
-		*":$libdir:"*) ;;
-		*) func_append finalize_shlibpath "$libdir:" ;;
-		esac
-	      fi
-	    fi
-	  fi
-
-	  if test prog = "$linkmode" || test relink = "$opt_mode"; then
-	    add_shlibpath=
-	    add_dir=
-	    add=
-	    # Finalize command for both is simple: just hardcode it.
-	    if test yes = "$hardcode_direct" &&
-	       test no = "$hardcode_direct_absolute"; then
-	      add=$libdir/$linklib
-	    elif test yes = "$hardcode_minus_L"; then
-	      add_dir=-L$libdir
-	      add=-l$name
-	    elif test yes = "$hardcode_shlibpath_var"; then
-	      case :$finalize_shlibpath: in
-	      *":$libdir:"*) ;;
-	      *) func_append finalize_shlibpath "$libdir:" ;;
-	      esac
-	      add=-l$name
-	    elif test yes = "$hardcode_automatic"; then
-	      if test -n "$inst_prefix_dir" &&
-		 test -f "$inst_prefix_dir$libdir/$linklib"; then
-		add=$inst_prefix_dir$libdir/$linklib
-	      else
-		add=$libdir/$linklib
-	      fi
-	    else
-	      # We cannot seem to hardcode it, guess we'll fake it.
-	      add_dir=-L$libdir
-	      # Try looking first in the location we're being installed to.
-	      if test -n "$inst_prefix_dir"; then
-		case $libdir in
-		  \\/*)
-		    func_append add_dir " -L$inst_prefix_dir$libdir"
-		    ;;
-		esac
-	      fi
-	      add=-l$name
-	    fi
-
-	    if test prog = "$linkmode"; then
-	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
-	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
-	    else
-	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
-	      test -n "$add" && deplibs="$add $deplibs"
-	    fi
-	  fi
-	elif test prog = "$linkmode"; then
-	  # Here we assume that one of hardcode_direct or hardcode_minus_L
-	  # is not unsupported.  This is valid on all known static and
-	  # shared platforms.
-	  if test unsupported != "$hardcode_direct"; then
-	    test -n "$old_library" && linklib=$old_library
-	    compile_deplibs="$dir/$linklib $compile_deplibs"
-	    finalize_deplibs="$dir/$linklib $finalize_deplibs"
-	  else
-	    compile_deplibs="-l$name -L$dir $compile_deplibs"
-	    finalize_deplibs="-l$name -L$dir $finalize_deplibs"
-	  fi
-	elif test yes = "$build_libtool_libs"; then
-	  # Not a shared library
-	  if test pass_all != "$deplibs_check_method"; then
-	    # We're trying link a shared library against a static one
-	    # but the system doesn't support it.
-
-	    # Just print a warning and add the library to dependency_libs so
-	    # that the program can be linked against the static library.
-	    echo
-	    $ECHO "*** Warning: This system cannot link to static lib archive $lib."
-	    echo "*** I have the capability to make that library automatically link in when"
-	    echo "*** you link to this library.  But I can only do this if you have a"
-	    echo "*** shared version of the library, which you do not appear to have."
-	    if test yes = "$module"; then
-	      echo "*** But as you try to build a module library, libtool will still create "
-	      echo "*** a static module, that should work as long as the dlopening application"
-	      echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
-	      if test -z "$global_symbol_pipe"; then
-		echo
-		echo "*** However, this would only work if libtool was able to extract symbol"
-		echo "*** lists from a program, using 'nm' or equivalent, but libtool could"
-		echo "*** not find such a program.  So, this module is probably useless."
-		echo "*** 'nm' from GNU binutils and a full rebuild may help."
-	      fi
-	      if test no = "$build_old_libs"; then
-		build_libtool_libs=module
-		build_old_libs=yes
-	      else
-		build_libtool_libs=no
-	      fi
-	    fi
-	  else
-	    deplibs="$dir/$old_library $deplibs"
-	    link_static=yes
-	  fi
-	fi # link shared/static library?
-
-	if test lib = "$linkmode"; then
-	  if test -n "$dependency_libs" &&
-	     { test yes != "$hardcode_into_libs" ||
-	       test yes = "$build_old_libs" ||
-	       test yes = "$link_static"; }; then
-	    # Extract -R from dependency_libs
-	    temp_deplibs=
-	    for libdir in $dependency_libs; do
-	      case $libdir in
-	      -R*) func_stripname '-R' '' "$libdir"
-	           temp_xrpath=$func_stripname_result
-		   case " $xrpath " in
-		   *" $temp_xrpath "*) ;;
-		   *) func_append xrpath " $temp_xrpath";;
-		   esac;;
-	      *) func_append temp_deplibs " $libdir";;
-	      esac
-	    done
-	    dependency_libs=$temp_deplibs
-	  fi
-
-	  func_append newlib_search_path " $absdir"
-	  # Link against this library
-	  test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
-	  # ... and its dependency_libs
-	  tmp_libs=
-	  for deplib in $dependency_libs; do
-	    newdependency_libs="$deplib $newdependency_libs"
-	    case $deplib in
-              -L*) func_stripname '-L' '' "$deplib"
-                   func_resolve_sysroot "$func_stripname_result";;
-              *) func_resolve_sysroot "$deplib" ;;
-            esac
-	    if $opt_preserve_dup_deps; then
-	      case "$tmp_libs " in
-	      *" $func_resolve_sysroot_result "*)
-                func_append specialdeplibs " $func_resolve_sysroot_result" ;;
-	      esac
-	    fi
-	    func_append tmp_libs " $func_resolve_sysroot_result"
-	  done
-
-	  if test no != "$link_all_deplibs"; then
-	    # Add the search paths of all dependency libraries
-	    for deplib in $dependency_libs; do
-	      path=
-	      case $deplib in
-	      -L*) path=$deplib ;;
-	      *.la)
-	        func_resolve_sysroot "$deplib"
-	        deplib=$func_resolve_sysroot_result
-	        func_dirname "$deplib" "" "."
-		dir=$func_dirname_result
-		# We need an absolute path.
-		case $dir in
-		\\/* | A-Za-z:\\/*) absdir=$dir ;;
-		*)
-		  absdir=`cd "$dir" && pwd`
-		  if test -z "$absdir"; then
-		    func_warning "cannot determine absolute directory name of '$dir'"
-		    absdir=$dir
-		  fi
-		  ;;
-		esac
-		if $GREP "^installed=no" $deplib > /dev/null; then
-		case $host in
-		*-*-darwin*)
-		  depdepl=
-		  eval deplibrary_names=`$SED -n -e 's/^library_names=$.*$$/\1/p' $deplib`
-		  if test -n "$deplibrary_names"; then
-		    for tmp in $deplibrary_names; do
-		      depdepl=$tmp
-		    done
-		    if test -f "$absdir/$objdir/$depdepl"; then
-		      depdepl=$absdir/$objdir/$depdepl
-		      darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
-                      if test -z "$darwin_install_name"; then
-                          darwin_install_name=`$OTOOL64 -L $depdepl  | awk '{if (NR == 2) {print $1;exit}}'`
-                      fi
-		      func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl"
-		      func_append linker_flags " -dylib_file $darwin_install_name:$depdepl"
-		      path=
-		    fi
-		  fi
-		  ;;
-		*)
-		  path=-L$absdir/$objdir
-		  ;;
-		esac
-		else
-		  eval libdir=`$SED -n -e 's/^libdir=$.*$$/\1/p' $deplib`
-		  test -z "$libdir" && \
-		    func_fatal_error "'$deplib' is not a valid libtool archive"
-		  test "$absdir" != "$libdir" && \
-		    func_warning "'$deplib' seems to be moved"
-
-		  path=-L$absdir
-		fi
-		;;
-	      esac
-	      case " $deplibs " in
-	      *" $path "*) ;;
-	      *) deplibs="$path $deplibs" ;;
-	      esac
-	    done
-	  fi # link_all_deplibs != no
-	fi # linkmode = lib
-      done # for deplib in $libs
-      if test link = "$pass"; then
-	if test prog = "$linkmode"; then
-	  compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
-	  finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
-	else
-	  compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% $^ $*$.ltframework% -framework \1%g'`
-	fi
-      fi
-      dependency_libs=$newdependency_libs
-      if test dlpreopen = "$pass"; then
-	# Link the dlpreopened libraries before other libraries
-	for deplib in $save_deplibs; do
-	  deplibs="$deplib $deplibs"
-	done
-      fi
-      if test dlopen != "$pass"; then
-	test conv = "$pass" || {
-	  # Make sure lib_search_path contains only unique directories.
-	  lib_search_path=
-	  for dir in $newlib_search_path; do
-	    case "$lib_search_path " in
-	    *" $dir "*) ;;
-	    *) func_append lib_search_path " $dir" ;;
-	    esac
-	  done
-	  newlib_search_path=
-	}
-
-	if test prog,link = "$linkmode,$pass"; then
-	  vars="compile_deplibs finalize_deplibs"
-	else
-	  vars=deplibs
-	fi
-	for var in $vars dependency_libs; do
-	  # Add libraries to $var in reverse order
-	  eval tmp_libs=\"\$$var\"
-	  new_libs=
-	  for deplib in $tmp_libs; do
-	    # FIXME: Pedantically, this is the right thing to do, so
-	    #        that some nasty dependency loop isn't accidentally
-	    #        broken:
-	    #new_libs="$deplib $new_libs"
-	    # Pragmatically, this seems to cause very few problems in
-	    # practice:
-	    case $deplib in
-	    -L*) new_libs="$deplib $new_libs" ;;
-	    -R*) ;;
-	    *)
-	      # And here is the reason: when a library appears more
-	      # than once as an explicit dependence of a library, or
-	      # is implicitly linked in more than once by the
-	      # compiler, it is considered special, and multiple
-	      # occurrences thereof are not removed.  Compare this
-	      # with having the same library being listed as a
-	      # dependency of multiple other libraries: in this case,
-	      # we know (pedantically, we assume) the library does not
-	      # need to be listed more than once, so we keep only the
-	      # last copy.  This is not always right, but it is rare
-	      # enough that we require users that really mean to play
-	      # such unportable linking tricks to link the library
-	      # using -Wl,-lname, so that libtool does not consider it
-	      # for duplicate removal.
-	      case " $specialdeplibs " in
-	      *" $deplib "*) new_libs="$deplib $new_libs" ;;
-	      *)
-		case " $new_libs " in
-		*" $deplib "*) ;;
-		*) new_libs="$deplib $new_libs" ;;
-		esac
-		;;
-	      esac
-	      ;;
-	    esac
-	  done
-	  tmp_libs=
-	  for deplib in $new_libs; do
-	    case $deplib in
-	    -L*)
-	      case " $tmp_libs " in
-	      *" $deplib "*) ;;
-	      *) func_append tmp_libs " $deplib" ;;
-	      esac
-	      ;;
-	    *) func_append tmp_libs " $deplib" ;;
-	    esac
-	  done
-	  eval $var=\"$tmp_libs\"
-	done # for var
-      fi
-
-      # Add Sun CC postdeps if required:
-      test CXX = "$tagname" && {
-        case $host_os in
-        linux*)
-          case `$CC -V 2>&1 | sed 5q` in
-          *Sun\ C*) # Sun C++ 5.9
-            func_suncc_cstd_abi
-
-            if test no != "$suncc_use_cstd_abi"; then
-              func_append postdeps ' -library=Cstd -library=Crun'
-            fi
-            ;;
-          esac
-          ;;
-
-        solaris*)
-          func_cc_basename "$CC"
-          case $func_cc_basename_result in
-          CC* | sunCC*)
-            func_suncc_cstd_abi
-
-            if test no != "$suncc_use_cstd_abi"; then
-              func_append postdeps ' -library=Cstd -library=Crun'
-            fi
-            ;;
-          esac
-          ;;
-        esac
-      }
-
-      # Last step: remove runtime libs from dependency_libs
-      # (they stay in deplibs)
-      tmp_libs=
-      for i in $dependency_libs; do
-	case " $predeps $postdeps $compiler_lib_search_path " in
-	*" $i "*)
-	  i=
-	  ;;
-	esac
-	if test -n "$i"; then
-	  func_append tmp_libs " $i"
-	fi
-      done
-      dependency_libs=$tmp_libs
-    done # for pass
-    if test prog = "$linkmode"; then
-      dlfiles=$newdlfiles
-    fi
-    if test prog = "$linkmode" || test lib = "$linkmode"; then
-      dlprefiles=$newdlprefiles
-    fi
-
-    case $linkmode in
-    oldlib)
-      if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
-	func_warning "'-dlopen' is ignored for archives"
-      fi
-
-      case " $deplibs" in
-      *\ -l* | *\ -L*)
-	func_warning "'-l' and '-L' are ignored for archives" ;;
-      esac
-
-      test -n "$rpath" && \
-	func_warning "'-rpath' is ignored for archives"
-
-      test -n "$xrpath" && \
-	func_warning "'-R' is ignored for archives"
-
-      test -n "$vinfo" && \
-	func_warning "'-version-info/-version-number' is ignored for archives"
-
-      test -n "$release" && \
-	func_warning "'-release' is ignored for archives"
-
-      test -n "$export_symbols$export_symbols_regex" && \
-	func_warning "'-export-symbols' is ignored for archives"
-
-      # Now set the variables for building old libraries.
-      build_libtool_libs=no
-      oldlibs=$output
-      func_append objs "$old_deplibs"
-      ;;
-
-    lib)
-      # Make sure we only generate libraries of the form 'libNAME.la'.
-      case $outputname in
-      lib*)
-	func_stripname 'lib' '.la' "$outputname"
-	name=$func_stripname_result
-	eval shared_ext=\"$shrext_cmds\"
-	eval libname=\"$libname_spec\"
-	;;
-      *)
-	test no = "$module" \
-	  && func_fatal_help "libtool library '$output' must begin with 'lib'"
-
-	if test no != "$need_lib_prefix"; then
-	  # Add the "lib" prefix for modules if required
-	  func_stripname '' '.la' "$outputname"
-	  name=$func_stripname_result
-	  eval shared_ext=\"$shrext_cmds\"
-	  eval libname=\"$libname_spec\"
-	else
-	  func_stripname '' '.la' "$outputname"
-	  libname=$func_stripname_result
-	fi
-	;;
-      esac
-
-      if test -n "$objs"; then
-	if test pass_all != "$deplibs_check_method"; then
-	  func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs"
-	else
-	  echo
-	  $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
-	  $ECHO "*** objects $objs is not portable!"
-	  func_append libobjs " $objs"
-	fi
-      fi
-
-      test no = "$dlself" \
-	|| func_warning "'-dlopen self' is ignored for libtool libraries"
-
-      set dummy $rpath
-      shift
-      test 1 -lt "$#" \
-	&& func_warning "ignoring multiple '-rpath's for a libtool library"
-
-      install_libdir=$1
-
-      oldlibs=
-      if test -z "$rpath"; then
-	if test yes = "$build_libtool_libs"; then
-	  # Building a libtool convenience library.
-	  # Some compilers have problems with a '.al' extension so
-	  # convenience libraries should have the same extension an
-	  # archive normally would.
-	  oldlibs="$output_objdir/$libname.$libext $oldlibs"
-	  build_libtool_libs=convenience
-	  build_old_libs=yes
-	fi
-
-	test -n "$vinfo" && \
-	  func_warning "'-version-info/-version-number' is ignored for convenience libraries"
-
-	test -n "$release" && \
-	  func_warning "'-release' is ignored for convenience libraries"
-      else
-
-	# Parse the version information argument.
-	save_ifs=$IFS; IFS=:
-	set dummy $vinfo 0 0 0
-	shift
-	IFS=$save_ifs
-
-	test -n "$7" && \
-	  func_fatal_help "too many parameters to '-version-info'"
-
-	# convert absolute version numbers to libtool ages
-	# this retains compatibility with .la files and attempts
-	# to make the code below a bit more comprehensible
-
-	case $vinfo_number in
-	yes)
-	  number_major=$1
-	  number_minor=$2
-	  number_revision=$3
-	  #
-	  # There are really only two kinds -- those that
-	  # use the current revision as the major version
-	  # and those that subtract age and use age as
-	  # a minor version.  But, then there is irix
-	  # that has an extra 1 added just for fun
-	  #
-	  case $version_type in
-	  # correct linux to gnu/linux during the next big refactor
-	  darwin|freebsd-elf|linux|osf|windows|none)
-	    func_arith $number_major + $number_minor
-	    current=$func_arith_result
-	    age=$number_minor
-	    revision=$number_revision
-	    ;;
-	  freebsd-aout|qnx|sunos)
-	    current=$number_major
-	    revision=$number_minor
-	    age=0
-	    ;;
-	  irix|nonstopux)
-	    func_arith $number_major + $number_minor
-	    current=$func_arith_result
-	    age=$number_minor
-	    revision=$number_minor
-	    lt_irix_increment=no
-	    ;;
-	  *)
-	    func_fatal_configuration "$modename: unknown library version type '$version_type'"
-	    ;;
-	  esac
-	  ;;
-	no)
-	  current=$1
-	  revision=$2
-	  age=$3
-	  ;;
-	esac
-
-	# Check that each of the things are valid numbers.
-	case $current in
-	0|1-9|1-90-9|1-90-90-9|1-90-90-90-9|1-90-90-90-90-9) ;;
-	*)
-	  func_error "CURRENT '$current' must be a nonnegative integer"
-	  func_fatal_error "'$vinfo' is not valid version information"
-	  ;;
-	esac
-
-	case $revision in
-	0|1-9|1-90-9|1-90-90-9|1-90-90-90-9|1-90-90-90-90-9) ;;
-	*)
-	  func_error "REVISION '$revision' must be a nonnegative integer"
-	  func_fatal_error "'$vinfo' is not valid version information"
-	  ;;
-	esac
-
-	case $age in
-	0|1-9|1-90-9|1-90-90-9|1-90-90-90-9|1-90-90-90-90-9) ;;
-	*)
-	  func_error "AGE '$age' must be a nonnegative integer"
-	  func_fatal_error "'$vinfo' is not valid version information"
-	  ;;
-	esac
-
-	if test "$age" -gt "$current"; then
-	  func_error "AGE '$age' is greater than the current interface number '$current'"
-	  func_fatal_error "'$vinfo' is not valid version information"
-	fi
-
-	# Calculate the version variables.
-	major=
-	versuffix=
-	verstring=
-	case $version_type in
-	none) ;;
-
-	darwin)
-	  # Like Linux, but with the current version available in
-	  # verstring for coding it into the library header
-	  func_arith $current - $age
-	  major=.$func_arith_result
-	  versuffix=$major.$age.$revision
-	  # Darwin ld doesn't like 0 for these options...
-	  func_arith $current + 1
-	  minor_current=$func_arith_result
-	  xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision"
-	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
-          # On Darwin other compilers
-          case $CC in
-              nagfor*)
-                  verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision"
-                  ;;
-              *)
-                  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
-                  ;;
-          esac
-	  ;;
-
-	freebsd-aout)
-	  major=.$current
-	  versuffix=.$current.$revision
-	  ;;
-
-	freebsd-elf)
-	  func_arith $current - $age
-	  major=.$func_arith_result
-	  versuffix=$major.$age.$revision
-	  ;;
-
-	irix | nonstopux)
-	  if test no = "$lt_irix_increment"; then
-	    func_arith $current - $age
-	  else
-	    func_arith $current - $age + 1
-	  fi
-	  major=$func_arith_result
-
-	  case $version_type in
-	    nonstopux) verstring_prefix=nonstopux ;;
-	    *)         verstring_prefix=sgi ;;
-	  esac
-	  verstring=$verstring_prefix$major.$revision
-
-	  # Add in all the interfaces that we are compatible with.
-	  loop=$revision
-	  while test 0 -ne "$loop"; do
-	    func_arith $revision - $loop
-	    iface=$func_arith_result
-	    func_arith $loop - 1
-	    loop=$func_arith_result
-	    verstring=$verstring_prefix$major.$iface:$verstring
-	  done
-
-	  # Before this point, $major must not contain '.'.
-	  major=.$major
-	  versuffix=$major.$revision
-	  ;;
-
-	linux) # correct to gnu/linux during the next big refactor
-	  func_arith $current - $age
-	  major=.$func_arith_result
-	  versuffix=$major.$age.$revision
-	  ;;
-
-	osf)
-	  func_arith $current - $age
-	  major=.$func_arith_result
-	  versuffix=.$current.$age.$revision
-	  verstring=$current.$age.$revision
-
-	  # Add in all the interfaces that we are compatible with.
-	  loop=$age
-	  while test 0 -ne "$loop"; do
-	    func_arith $current - $loop
-	    iface=$func_arith_result
-	    func_arith $loop - 1
-	    loop=$func_arith_result
-	    verstring=$verstring:$iface.0
-	  done
-
-	  # Make executables depend on our current version.
-	  func_append verstring ":$current.0"
-	  ;;
-
-	qnx)
-	  major=.$current
-	  versuffix=.$current
-	  ;;
-
-	sco)
-	  major=.$current
-	  versuffix=.$current
-	  ;;
-
-	sunos)
-	  major=.$current
-	  versuffix=.$current.$revision
-	  ;;
-
-	windows)
-	  # Use '-' rather than '.', since we only want one
-	  # extension on DOS 8.3 file systems.
-	  func_arith $current - $age
-	  major=$func_arith_result
-	  versuffix=-$major
-	  ;;
-
-	*)
-	  func_fatal_configuration "unknown library version type '$version_type'"
-	  ;;
-	esac
-
-	# Clear the version info if we defaulted, and they specified a release.
-	if test -z "$vinfo" && test -n "$release"; then
-	  major=
-	  case $version_type in
-	  darwin)
-	    # we can't check for "0.0" in archive_cmds due to quoting
-	    # problems, so we reset it completely
-	    verstring=
-	    ;;
-	  *)
-	    verstring=0.0
-	    ;;
-	  esac
-	  if test no = "$need_version"; then
-	    versuffix=
-	  else
-	    versuffix=.0.0
-	  fi
-	fi
-
-	# Remove version info from name if versioning should be avoided
-	if test yes,no = "$avoid_version,$need_version"; then
-	  major=
-	  versuffix=
-	  verstring=
-	fi
-
-	# Check to see if the archive will have undefined symbols.
-	if test yes = "$allow_undefined"; then
-	  if test unsupported = "$allow_undefined_flag"; then
-	    if test yes = "$build_old_libs"; then
-	      func_warning "undefined symbols not allowed in $host shared libraries; building static only"
-	      build_libtool_libs=no
-	    else
-	      func_fatal_error "can't build $host shared library unless -no-undefined is specified"
-	    fi
-	  fi
-	else
-	  # Don't allow undefined symbols.
-	  allow_undefined_flag=$no_undefined_flag
-	fi
-
-      fi
-
-      func_generate_dlsyms "$libname" "$libname" :
-      func_append libobjs " $symfileobj"
-      test " " = "$libobjs" && libobjs=
-
-      if test relink != "$opt_mode"; then
-	# Remove our outputs, but don't remove object files since they
-	# may have been created when compiling PIC objects.
-	removelist=
-	tempremovelist=`$ECHO "$output_objdir/*"`
-	for p in $tempremovelist; do
-	  case $p in
-	    *.$objext | *.gcno)
-	       ;;
-	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*)
-	       if test -n "$precious_files_regex"; then
-		 if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
-		 then
-		   continue
-		 fi
-	       fi
-	       func_append removelist " $p"
-	       ;;
-	    *) ;;
-	  esac
-	done
-	test -n "$removelist" && \
-	  func_show_eval "${RM}r \$removelist"
-      fi
-
-      # Now set the variables for building old libraries.
-      if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then
-	func_append oldlibs " $output_objdir/$libname.$libext"
-
-	# Transform .lo files to .o files.
-	oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP`
-      fi
-
-      # Eliminate all temporary directories.
-      #for path in $notinst_path; do
-      #	lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"`
-      #	deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"`
-      #	dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"`
-      #done
-
-      if test -n "$xrpath"; then
-	# If the user specified any rpath flags, then add them.
-	temp_xrpath=
-	for libdir in $xrpath; do
-	  func_replace_sysroot "$libdir"
-	  func_append temp_xrpath " -R$func_replace_sysroot_result"
-	  case "$finalize_rpath " in
-	  *" $libdir "*) ;;
-	  *) func_append finalize_rpath " $libdir" ;;
-	  esac
-	done
-	if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then
-	  dependency_libs="$temp_xrpath $dependency_libs"
-	fi
-      fi
-
-      # Make sure dlfiles contains only unique files that won't be dlpreopened
-      old_dlfiles=$dlfiles
-      dlfiles=
-      for lib in $old_dlfiles; do
-	case " $dlprefiles $dlfiles " in
-	*" $lib "*) ;;
-	*) func_append dlfiles " $lib" ;;
-	esac
-      done
-
-      # Make sure dlprefiles contains only unique files
-      old_dlprefiles=$dlprefiles
-      dlprefiles=
-      for lib in $old_dlprefiles; do
-	case "$dlprefiles " in
-	*" $lib "*) ;;
-	*) func_append dlprefiles " $lib" ;;
-	esac
-      done
-
-      if test yes = "$build_libtool_libs"; then
-	if test -n "$rpath"; then
-	  case $host in
-	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*)
-	    # these systems don't actually have a c library (as such)!
-	    ;;
-	  *-*-rhapsody* | *-*-darwin1.012)
-	    # Rhapsody C library is in the System framework
-	    func_append deplibs " System.ltframework"
-	    ;;
-	  *-*-netbsd*)
-	    # Don't link with libc until the a.out ld.so is fixed.
-	    ;;
-	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
-	    # Do not include libc due to us having libc/libc_r.
-	    ;;
-	  *-*-sco3.2v5* | *-*-sco5v6*)
-	    # Causes problems with __ctype
-	    ;;
-	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
-	    # Compiler inserts libc in the correct place for threads to work
-	    ;;
-	  *)
-	    # Add libc to deplibs on all other systems if necessary.
-	    if test yes = "$build_libtool_need_lc"; then
-	      func_append deplibs " -lc"
-	    fi
-	    ;;
-	  esac
-	fi
-
-	# Transform deplibs into only deplibs that can be linked in shared.
-	name_save=$name
-	libname_save=$libname
-	release_save=$release
-	versuffix_save=$versuffix
-	major_save=$major
-	# I'm not sure if I'm treating the release correctly.  I think
-	# release should show up in the -l (ie -lgmp5) so we don't want to
-	# add it in twice.  Is that correct?
-	release=
-	versuffix=
-	major=
-	newdeplibs=
-	droppeddeps=no
-	case $deplibs_check_method in
-	pass_all)
-	  # Don't check for shared/static.  Everything works.
-	  # This might be a little naive.  We might want to check
-	  # whether the library exists or not.  But this is on
-	  # osf3 & osf4 and I'm not really sure... Just
-	  # implementing what was already the behavior.
-	  newdeplibs=$deplibs
-	  ;;
-	test_compile)
-	  # This code stresses the "libraries are programs" paradigm to its
-	  # limits. Maybe even breaks it.  We compile a program, linking it
-	  # against the deplibs as a proxy for the library.  Then we can check
-	  # whether they linked in statically or dynamically with ldd.
-	  $opt_dry_run || $RM conftest.c
-	  cat > conftest.c <<EOF
-	  int main() { return 0; }
-EOF
-	  $opt_dry_run || $RM conftest
-	  if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
-	    ldd_output=`ldd conftest`
-	    for i in $deplibs; do
-	      case $i in
-	      -l*)
-		func_stripname -l '' "$i"
-		name=$func_stripname_result
-		if test yes = "$allow_libtool_libs_with_static_runtimes"; then
-		  case " $predeps $postdeps " in
-		  *" $i "*)
-		    func_append newdeplibs " $i"
-		    i=
-		    ;;
-		  esac
-		fi
-		if test -n "$i"; then
-		  libname=`eval "\\$ECHO \"$libname_spec\""`
-		  deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
-		  set dummy $deplib_matches; shift
-		  deplib_match=$1
-		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0; then
-		    func_append newdeplibs " $i"
-		  else
-		    droppeddeps=yes
-		    echo
-		    $ECHO "*** Warning: dynamic linker does not accept needed library $i."
-		    echo "*** I have the capability to make that library automatically link in when"
-		    echo "*** you link to this library.  But I can only do this if you have a"
-		    echo "*** shared version of the library, which I believe you do not have"
-		    echo "*** because a test_compile did reveal that the linker did not use it for"
-		    echo "*** its dynamic dependency list that programs get resolved with at runtime."
-		  fi
-		fi
-		;;
-	      *)
-		func_append newdeplibs " $i"
-		;;
-	      esac
-	    done
-	  else
-	    # Error occurred in the first compile.  Let's try to salvage
-	    # the situation: Compile a separate program for each library.
-	    for i in $deplibs; do
-	      case $i in
-	      -l*)
-		func_stripname -l '' "$i"
-		name=$func_stripname_result
-		$opt_dry_run || $RM conftest
-		if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
-		  ldd_output=`ldd conftest`
-		  if test yes = "$allow_libtool_libs_with_static_runtimes"; then
-		    case " $predeps $postdeps " in
-		    *" $i "*)
-		      func_append newdeplibs " $i"
-		      i=
-		      ;;
-		    esac
-		  fi
-		  if test -n "$i"; then
-		    libname=`eval "\\$ECHO \"$libname_spec\""`
-		    deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
-		    set dummy $deplib_matches; shift
-		    deplib_match=$1
-		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0; then
-		      func_append newdeplibs " $i"
-		    else
-		      droppeddeps=yes
-		      echo
-		      $ECHO "*** Warning: dynamic linker does not accept needed library $i."
-		      echo "*** I have the capability to make that library automatically link in when"
-		      echo "*** you link to this library.  But I can only do this if you have a"
-		      echo "*** shared version of the library, which you do not appear to have"
-		      echo "*** because a test_compile did reveal that the linker did not use this one"
-		      echo "*** as a dynamic dependency that programs can get resolved with at runtime."
-		    fi
-		  fi
-		else
-		  droppeddeps=yes
-		  echo
-		  $ECHO "*** Warning!  Library $i is needed by this library but I was not able to"
-		  echo "*** make it link in!  You will probably need to install it or some"
-		  echo "*** library that it depends on before this library will be fully"
-		  echo "*** functional.  Installing it before continuing would be even better."
-		fi
-		;;
-	      *)
-		func_append newdeplibs " $i"
-		;;
-	      esac
-	    done
-	  fi
-	  ;;
-	file_magic*)
-	  set dummy $deplibs_check_method; shift
-	  file_magic_regex=`expr "$deplibs_check_method" : "$1 $.*$"`
-	  for a_deplib in $deplibs; do
-	    case $a_deplib in
-	    -l*)
-	      func_stripname -l '' "$a_deplib"
-	      name=$func_stripname_result
-	      if test yes = "$allow_libtool_libs_with_static_runtimes"; then
-		case " $predeps $postdeps " in
-		*" $a_deplib "*)
-		  func_append newdeplibs " $a_deplib"
-		  a_deplib=
-		  ;;
-		esac
-	      fi
-	      if test -n "$a_deplib"; then
-		libname=`eval "\\$ECHO \"$libname_spec\""`
-		if test -n "$file_magic_glob"; then
-		  libnameglob=`func_echo_all "$libname" | $SED -e $file_magic_glob`
-		else
-		  libnameglob=$libname
-		fi
-		test yes = "$want_nocaseglob" && nocaseglob=`shopt -p nocaseglob`
-		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
-		  if test yes = "$want_nocaseglob"; then
-		    shopt -s nocaseglob
-		    potential_libs=`ls $i/$libnameglob.-* 2>/dev/null`
-		    $nocaseglob
-		  else
-		    potential_libs=`ls $i/$libnameglob.-* 2>/dev/null`
-		  fi
-		  for potent_lib in $potential_libs; do
-		      # Follow soft links.
-		      if ls -lLd "$potent_lib" 2>/dev/null |
-			 $GREP " -> " >/dev/null; then
-			continue
-		      fi
-		      # The statement above tries to avoid entering an
-		      # endless loop below, in case of cyclic links.
-		      # We might still enter an endless loop, since a link
-		      # loop can be closed while we follow links,
-		      # but so what?
-		      potlib=$potent_lib
-		      while test -h "$potlib" 2>/dev/null; do
-			potliblink=`ls -ld $potlib | $SED 's/.* -> //'`
-			case $potliblink in
-			\\/* | A-Za-z:\\/*) potlib=$potliblink;;
-			*) potlib=`$ECHO "$potlib" | $SED 's|^/*$||'`"$potliblink";;
-			esac
-		      done
-		      if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
-			 $SED -e 10q |
-			 $EGREP "$file_magic_regex" > /dev/null; then
-			func_append newdeplibs " $a_deplib"
-			a_deplib=
-			break 2
-		      fi
-		  done
-		done
-	      fi
-	      if test -n "$a_deplib"; then
-		droppeddeps=yes
-		echo
-		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
-		echo "*** I have the capability to make that library automatically link in when"
-		echo "*** you link to this library.  But I can only do this if you have a"
-		echo "*** shared version of the library, which you do not appear to have"
-		echo "*** because I did check the linker path looking for a file starting"
-		if test -z "$potlib"; then
-		  $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
-		else
-		  $ECHO "*** with $libname and none of the candidates passed a file format test"
-		  $ECHO "*** using a file magic. Last file checked: $potlib"
-		fi
-	      fi
-	      ;;
-	    *)
-	      # Add a -L argument.
-	      func_append newdeplibs " $a_deplib"
-	      ;;
-	    esac
-	  done # Gone through all deplibs.
-	  ;;
-	match_pattern*)
-	  set dummy $deplibs_check_method; shift
-	  match_pattern_regex=`expr "$deplibs_check_method" : "$1 $.*$"`
-	  for a_deplib in $deplibs; do
-	    case $a_deplib in
-	    -l*)
-	      func_stripname -l '' "$a_deplib"
-	      name=$func_stripname_result
-	      if test yes = "$allow_libtool_libs_with_static_runtimes"; then
-		case " $predeps $postdeps " in
-		*" $a_deplib "*)
-		  func_append newdeplibs " $a_deplib"
-		  a_deplib=
-		  ;;
-		esac
-	      fi
-	      if test -n "$a_deplib"; then
-		libname=`eval "\\$ECHO \"$libname_spec\""`
-		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
-		  potential_libs=`ls $i/$libname.-* 2>/dev/null`
-		  for potent_lib in $potential_libs; do
-		    potlib=$potent_lib # see symlink-check above in file_magic test
-		    if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \
-		       $EGREP "$match_pattern_regex" > /dev/null; then
-		      func_append newdeplibs " $a_deplib"
-		      a_deplib=
-		      break 2
-		    fi
-		  done
-		done
-	      fi
-	      if test -n "$a_deplib"; then
-		droppeddeps=yes
-		echo
-		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
-		echo "*** I have the capability to make that library automatically link in when"
-		echo "*** you link to this library.  But I can only do this if you have a"
-		echo "*** shared version of the library, which you do not appear to have"
-		echo "*** because I did check the linker path looking for a file starting"
-		if test -z "$potlib"; then
-		  $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
-		else
-		  $ECHO "*** with $libname and none of the candidates passed a file format test"
-		  $ECHO "*** using a regex pattern. Last file checked: $potlib"
-		fi
-	      fi
-	      ;;
-	    *)
-	      # Add a -L argument.
-	      func_append newdeplibs " $a_deplib"
-	      ;;
-	    esac
-	  done # Gone through all deplibs.
-	  ;;
-	none | unknown | *)
-	  newdeplibs=
-	  tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -LR^ *//g'`
-	  if test yes = "$allow_libtool_libs_with_static_runtimes"; then
-	    for i in $predeps $postdeps; do
-	      # can't use Xsed below, because $i might contain '/'
-	      tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"`
-	    done
-	  fi
-	  case $tmp_deplibs in
-	  *!\	\ *)
-	    echo
-	    if test none = "$deplibs_check_method"; then
-	      echo "*** Warning: inter-library dependencies are not supported in this platform."
-	    else
-	      echo "*** Warning: inter-library dependencies are not known to be supported."
-	    fi
-	    echo "*** All declared inter-library dependencies are being dropped."
-	    droppeddeps=yes
-	    ;;
-	  esac
-	  ;;
-	esac
-	versuffix=$versuffix_save
-	major=$major_save
-	release=$release_save
-	libname=$libname_save
-	name=$name_save
-
-	case $host in
-	*-*-rhapsody* | *-*-darwin1.012)
-	  # On Rhapsody replace the C library with the System framework
-	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'`
-	  ;;
-	esac
-
-	if test yes = "$droppeddeps"; then
-	  if test yes = "$module"; then
-	    echo
-	    echo "*** Warning: libtool could not satisfy all declared inter-library"
-	    $ECHO "*** dependencies of module $libname.  Therefore, libtool will create"
-	    echo "*** a static module, that should work as long as the dlopening"
-	    echo "*** application is linked with the -dlopen flag."
-	    if test -z "$global_symbol_pipe"; then
-	      echo
-	      echo "*** However, this would only work if libtool was able to extract symbol"
-	      echo "*** lists from a program, using 'nm' or equivalent, but libtool could"
-	      echo "*** not find such a program.  So, this module is probably useless."
-	      echo "*** 'nm' from GNU binutils and a full rebuild may help."
-	    fi
-	    if test no = "$build_old_libs"; then
-	      oldlibs=$output_objdir/$libname.$libext
-	      build_libtool_libs=module
-	      build_old_libs=yes
-	    else
-	      build_libtool_libs=no
-	    fi
-	  else
-	    echo "*** The inter-library dependencies that have been dropped here will be"
-	    echo "*** automatically added whenever a program is linked with this library"
-	    echo "*** or is declared to -dlopen it."
-
-	    if test no = "$allow_undefined"; then
-	      echo
-	      echo "*** Since this library must not contain undefined symbols,"
-	      echo "*** because either the platform does not support them or"
-	      echo "*** it was explicitly requested with -no-undefined,"
-	      echo "*** libtool will only create a static version of it."
-	      if test no = "$build_old_libs"; then
-		oldlibs=$output_objdir/$libname.$libext
-		build_libtool_libs=module
-		build_old_libs=yes
-	      else
-		build_libtool_libs=no
-	      fi
-	    fi
-	  fi
-	fi
-	# Done checking deplibs!
-	deplibs=$newdeplibs
-      fi
-      # Time to change all our "foo.ltframework" stuff back to "-framework foo"
-      case $host in
-	*-*-darwin*)
-	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's% $^ $*$.ltframework% -framework \1%g'`
-	  new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% $^ $*$.ltframework% -framework \1%g'`
-	  deplibs=`$ECHO " $deplibs" | $SED 's% $^ $*$.ltframework% -framework \1%g'`
-	  ;;
-      esac
-
-      # move library search paths that coincide with paths to not yet
-      # installed libraries to the beginning of the library search list
-      new_libs=
-      for path in $notinst_path; do
-	case " $new_libs " in
-	*" -L$path/$objdir "*) ;;
-	*)
-	  case " $deplibs " in
-	  *" -L$path/$objdir "*)
-	    func_append new_libs " -L$path/$objdir" ;;
-	  esac
-	  ;;
-	esac
-      done
-      for deplib in $deplibs; do
-	case $deplib in
-	-L*)
-	  case " $new_libs " in
-	  *" $deplib "*) ;;
-	  *) func_append new_libs " $deplib" ;;
-	  esac
-	  ;;
-	*) func_append new_libs " $deplib" ;;
-	esac
-      done
-      deplibs=$new_libs
-
-      # All the library-specific variables (install_libdir is set above).
-      library_names=
-      old_library=
-      dlname=
-
-      # Test again, we may have decided not to build it any more
-      if test yes = "$build_libtool_libs"; then
-	# Remove $wl instances when linking with ld.
-	# FIXME: should test the right _cmds variable.
-	case $archive_cmds in
-	  *\$LD\ *) wl= ;;
-        esac
-	if test yes = "$hardcode_into_libs"; then
-	  # Hardcode the library paths
-	  hardcode_libdirs=
-	  dep_rpath=
-	  rpath=$finalize_rpath
-	  test relink = "$opt_mode" || rpath=$compile_rpath$rpath
-	  for libdir in $rpath; do
-	    if test -n "$hardcode_libdir_flag_spec"; then
-	      if test -n "$hardcode_libdir_separator"; then
-		func_replace_sysroot "$libdir"
-		libdir=$func_replace_sysroot_result
-		if test -z "$hardcode_libdirs"; then
-		  hardcode_libdirs=$libdir
-		else
-		  # Just accumulate the unique libdirs.
-		  case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
-		  *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
-		    ;;
-		  *)
-		    func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
-		    ;;
-		  esac
-		fi
-	      else
-		eval flag=\"$hardcode_libdir_flag_spec\"
-		func_append dep_rpath " $flag"
-	      fi
-	    elif test -n "$runpath_var"; then
-	      case "$perm_rpath " in
-	      *" $libdir "*) ;;
-	      *) func_append perm_rpath " $libdir" ;;
-	      esac
-	    fi
-	  done
-	  # Substitute the hardcoded libdirs into the rpath.
-	  if test -n "$hardcode_libdir_separator" &&
-	     test -n "$hardcode_libdirs"; then
-	    libdir=$hardcode_libdirs
-	    eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
-	  fi
-	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
-	    # We should set the runpath_var.
-	    rpath=
-	    for dir in $perm_rpath; do
-	      func_append rpath "$dir:"
-	    done
-	    eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
-	  fi
-	  test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
-	fi
-
-	shlibpath=$finalize_shlibpath
-	test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath
-	if test -n "$shlibpath"; then
-	  eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
-	fi
-
-	# Get the real and link names of the library.
-	eval shared_ext=\"$shrext_cmds\"
-	eval library_names=\"$library_names_spec\"
-	set dummy $library_names
-	shift
-	realname=$1
-	shift
-
-	if test -n "$soname_spec"; then
-	  eval soname=\"$soname_spec\"
-	else
-	  soname=$realname
-	fi
-	if test -z "$dlname"; then
-	  dlname=$soname
-	fi
-
-	lib=$output_objdir/$realname
-	linknames=
-	for link
-	do
-	  func_append linknames " $link"
-	done
-
-	# Use standard objects if they are pic
-	test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP`
-	test "X$libobjs" = "X " && libobjs=
-
-	delfiles=
-	if test -n "$export_symbols" && test -n "$include_expsyms"; then
-	  $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
-	  export_symbols=$output_objdir/$libname.uexp
-	  func_append delfiles " $export_symbols"
-	fi
-
-	orig_export_symbols=
-	case $host_os in
-	cygwin* | mingw* | cegcc*)
-	  if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
-	    # exporting using user supplied symfile
-	    func_dll_def_p "$export_symbols" || {
-	      # and it's NOT already a .def file. Must figure out
-	      # which of the given symbols are data symbols and tag
-	      # them as such. So, trigger use of export_symbols_cmds.
-	      # export_symbols gets reassigned inside the "prepare
-	      # the list of exported symbols" if statement, so the
-	      # include_expsyms logic still works.
-	      orig_export_symbols=$export_symbols
-	      export_symbols=
-	      always_export_symbols=yes
-	    }
-	  fi
-	  ;;
-	esac
-
-	# Prepare the list of exported symbols
-	if test -z "$export_symbols"; then
-	  if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then
-	    func_verbose "generating symbol list for '$libname.la'"
-	    export_symbols=$output_objdir/$libname.exp
-	    $opt_dry_run || $RM $export_symbols
-	    cmds=$export_symbols_cmds
-	    save_ifs=$IFS; IFS='~'
-	    for cmd1 in $cmds; do
-	      IFS=$save_ifs
-	      # Take the normal branch if the nm_file_list_spec branch
-	      # doesn't work or if tool conversion is not needed.
-	      case $nm_file_list_spec~$to_tool_file_cmd in
-		*~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*)
-		  try_normal_branch=yes
-		  eval cmd=\"$cmd1\"
-		  func_len " $cmd"
-		  len=$func_len_result
-		  ;;
-		*)
-		  try_normal_branch=no
-		  ;;
-	      esac
-	      if test yes = "$try_normal_branch" \
-		 && { test "$len" -lt "$max_cmd_len" \
-		      || test "$max_cmd_len" -le -1; }
-	      then
-		func_show_eval "$cmd" 'exit $?'
-		skipped_export=false
-	      elif test -n "$nm_file_list_spec"; then
-		func_basename "$output"
-		output_la=$func_basename_result
-		save_libobjs=$libobjs
-		save_output=$output
-		output=$output_objdir/$output_la.nm
-		func_to_tool_file "$output"
-		libobjs=$nm_file_list_spec$func_to_tool_file_result
-		func_append delfiles " $output"
-		func_verbose "creating $NM input file list: $output"
-		for obj in $save_libobjs; do
-		  func_to_tool_file "$obj"
-		  $ECHO "$func_to_tool_file_result"
-		done > "$output"
-		eval cmd=\"$cmd1\"
-		func_show_eval "$cmd" 'exit $?'
-		output=$save_output
-		libobjs=$save_libobjs
-		skipped_export=false
-	      else
-		# The command line is too long to execute in one step.
-		func_verbose "using reloadable object file for export list..."
-		skipped_export=:
-		# Break out early, otherwise skipped_export may be
-		# set to false by a later but shorter cmd.
-		break
-	      fi
-	    done
-	    IFS=$save_ifs
-	    if test -n "$export_symbols_regex" && test : != "$skipped_export"; then
-	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
-	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
-	    fi
-	  fi
-	fi
-
-	if test -n "$export_symbols" && test -n "$include_expsyms"; then
-	  tmp_export_symbols=$export_symbols
-	  test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols
-	  $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
-	fi
-
-	if test : != "$skipped_export" && test -n "$orig_export_symbols"; then
-	  # The given exports_symbols file has to be filtered, so filter it.
-	  func_verbose "filter symbol list for '$libname.la' to tag DATA exports"
-	  # FIXME: $output_objdir/$libname.filter potentially contains lots of
-	  # 's' commands, which not all seds can handle. GNU sed should be fine
-	  # though. Also, the filter scales superlinearly with the number of
-	  # global variables. join(1) would be nice here, but unfortunately
-	  # isn't a blessed tool.
-	  $opt_dry_run || $SED -e '/ ,DATA/!d;s,$.*$$ \,.*$,s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
-	  func_append delfiles " $export_symbols $output_objdir/$libname.filter"
-	  export_symbols=$output_objdir/$libname.def
-	  $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
-	fi
-
-	tmp_deplibs=
-	for test_deplib in $deplibs; do
-	  case " $convenience " in
-	  *" $test_deplib "*) ;;
-	  *)
-	    func_append tmp_deplibs " $test_deplib"
-	    ;;
-	  esac
-	done
-	deplibs=$tmp_deplibs
-
-	if test -n "$convenience"; then
-	  if test -n "$whole_archive_flag_spec" &&
-	    test yes = "$compiler_needs_object" &&
-	    test -z "$libobjs"; then
-	    # extract the archives, so we have objects to list.
-	    # TODO: could optimize this to just extract one archive.
-	    whole_archive_flag_spec=
-	  fi
-	  if test -n "$whole_archive_flag_spec"; then
-	    save_libobjs=$libobjs
-	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
-	    test "X$libobjs" = "X " && libobjs=
-	  else
-	    gentop=$output_objdir/${outputname}x
-	    func_append generated " $gentop"
-
-	    func_extract_archives $gentop $convenience
-	    func_append libobjs " $func_extract_archives_result"
-	    test "X$libobjs" = "X " && libobjs=
-	  fi
-	fi
-
-	if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then
-	  eval flag=\"$thread_safe_flag_spec\"
-	  func_append linker_flags " $flag"
-	fi
-
-	# Make a backup of the uninstalled library when relinking
-	if test relink = "$opt_mode"; then
-	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
-	fi
-
-	# Do each of the archive commands.
-	if test yes = "$module" && test -n "$module_cmds"; then
-	  if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
-	    eval test_cmds=\"$module_expsym_cmds\"
-	    cmds=$module_expsym_cmds
-	  else
-	    eval test_cmds=\"$module_cmds\"
-	    cmds=$module_cmds
-	  fi
-	else
-	  if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
-	    eval test_cmds=\"$archive_expsym_cmds\"
-	    cmds=$archive_expsym_cmds
-	  else
-	    eval test_cmds=\"$archive_cmds\"
-	    cmds=$archive_cmds
-	  fi
-	fi
-
-	if test : != "$skipped_export" &&
-	   func_len " $test_cmds" &&
-	   len=$func_len_result &&
-	   test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
-	  :
-	else
-	  # The command line is too long to link in one step, link piecewise
-	  # or, if using GNU ld and skipped_export is not :, use a linker
-	  # script.
-
-	  # Save the value of $output and $libobjs because we want to
-	  # use them later.  If we have whole_archive_flag_spec, we
-	  # want to use save_libobjs as it was before
-	  # whole_archive_flag_spec was expanded, because we can't
-	  # assume the linker understands whole_archive_flag_spec.
-	  # This may have to be revisited, in case too many
-	  # convenience libraries get linked in and end up exceeding
-	  # the spec.
-	  if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
-	    save_libobjs=$libobjs
-	  fi
-	  save_output=$output
-	  func_basename "$output"
-	  output_la=$func_basename_result
-
-	  # Clear the reloadable object creation command queue and
-	  # initialize k to one.
-	  test_cmds=
-	  concat_cmds=
-	  objlist=
-	  last_robj=
-	  k=1
-
-	  if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then
-	    output=$output_objdir/$output_la.lnkscript
-	    func_verbose "creating GNU ld script: $output"
-	    echo 'INPUT (' > $output
-	    for obj in $save_libobjs
-	    do
-	      func_to_tool_file "$obj"
-	      $ECHO "$func_to_tool_file_result" >> $output
-	    done
-	    echo ')' >> $output
-	    func_append delfiles " $output"
-	    func_to_tool_file "$output"
-	    output=$func_to_tool_file_result
-	  elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then
-	    output=$output_objdir/$output_la.lnk
-	    func_verbose "creating linker input file list: $output"
-	    : > $output
-	    set x $save_libobjs
-	    shift
-	    firstobj=
-	    if test yes = "$compiler_needs_object"; then
-	      firstobj="$1 "
-	      shift
-	    fi
-	    for obj
-	    do
-	      func_to_tool_file "$obj"
-	      $ECHO "$func_to_tool_file_result" >> $output
-	    done
-	    func_append delfiles " $output"
-	    func_to_tool_file "$output"
-	    output=$firstobj\"$file_list_spec$func_to_tool_file_result\"
-	  else
-	    if test -n "$save_libobjs"; then
-	      func_verbose "creating reloadable object files..."
-	      output=$output_objdir/$output_la-$k.$objext
-	      eval test_cmds=\"$reload_cmds\"
-	      func_len " $test_cmds"
-	      len0=$func_len_result
-	      len=$len0
-
-	      # Loop over the list of objects to be linked.
-	      for obj in $save_libobjs
-	      do
-		func_len " $obj"
-		func_arith $len + $func_len_result
-		len=$func_arith_result
-		if test -z "$objlist" ||
-		   test "$len" -lt "$max_cmd_len"; then
-		  func_append objlist " $obj"
-		else
-		  # The command $test_cmds is almost too long, add a
-		  # command to the queue.
-		  if test 1 -eq "$k"; then
-		    # The first file doesn't have a previous command to add.
-		    reload_objs=$objlist
-		    eval concat_cmds=\"$reload_cmds\"
-		  else
-		    # All subsequent reloadable object files will link in
-		    # the last one created.
-		    reload_objs="$objlist $last_robj"
-		    eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\"
-		  fi
-		  last_robj=$output_objdir/$output_la-$k.$objext
-		  func_arith $k + 1
-		  k=$func_arith_result
-		  output=$output_objdir/$output_la-$k.$objext
-		  objlist=" $obj"
-		  func_len " $last_robj"
-		  func_arith $len0 + $func_len_result
-		  len=$func_arith_result
-		fi
-	      done
-	      # Handle the remaining objects by creating one last
-	      # reloadable object file.  All subsequent reloadable object
-	      # files will link in the last one created.
-	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
-	      reload_objs="$objlist $last_robj"
-	      eval concat_cmds=\"\$concat_cmds$reload_cmds\"
-	      if test -n "$last_robj"; then
-	        eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
-	      fi
-	      func_append delfiles " $output"
-
-	    else
-	      output=
-	    fi
-
-	    ${skipped_export-false} && {
-	      func_verbose "generating symbol list for '$libname.la'"
-	      export_symbols=$output_objdir/$libname.exp
-	      $opt_dry_run || $RM $export_symbols
-	      libobjs=$output
-	      # Append the command to create the export file.
-	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
-	      eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
-	      if test -n "$last_robj"; then
-		eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
-	      fi
-	    }
-
-	    test -n "$save_libobjs" &&
-	      func_verbose "creating a temporary reloadable object file: $output"
-
-	    # Loop through the commands generated above and execute them.
-	    save_ifs=$IFS; IFS='~'
-	    for cmd in $concat_cmds; do
-	      IFS=$save_ifs
-	      $opt_quiet || {
-		  func_quote_for_expand "$cmd"
-		  eval "func_echo $func_quote_for_expand_result"
-	      }
-	      $opt_dry_run || eval "$cmd" || {
-		lt_exit=$?
-
-		# Restore the uninstalled library and exit
-		if test relink = "$opt_mode"; then
-		  ( cd "$output_objdir" && \
-		    $RM "${realname}T" && \
-		    $MV "${realname}U" "$realname" )
-		fi
-
-		exit $lt_exit
-	      }
-	    done
-	    IFS=$save_ifs
-
-	    if test -n "$export_symbols_regex" && ${skipped_export-false}; then
-	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
-	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
-	    fi
-	  fi
-
-          ${skipped_export-false} && {
-	    if test -n "$export_symbols" && test -n "$include_expsyms"; then
-	      tmp_export_symbols=$export_symbols
-	      test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols
-	      $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
-	    fi
-
-	    if test -n "$orig_export_symbols"; then
-	      # The given exports_symbols file has to be filtered, so filter it.
-	      func_verbose "filter symbol list for '$libname.la' to tag DATA exports"
-	      # FIXME: $output_objdir/$libname.filter potentially contains lots of
-	      # 's' commands, which not all seds can handle. GNU sed should be fine
-	      # though. Also, the filter scales superlinearly with the number of
-	      # global variables. join(1) would be nice here, but unfortunately
-	      # isn't a blessed tool.
-	      $opt_dry_run || $SED -e '/ ,DATA/!d;s,$.*$$ \,.*$,s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
-	      func_append delfiles " $export_symbols $output_objdir/$libname.filter"
-	      export_symbols=$output_objdir/$libname.def
-	      $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
-	    fi
-	  }
-
-	  libobjs=$output
-	  # Restore the value of output.
-	  output=$save_output
-
-	  if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
-	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
-	    test "X$libobjs" = "X " && libobjs=
-	  fi
-	  # Expand the library linking commands again to reset the
-	  # value of $libobjs for piecewise linking.
-
-	  # Do each of the archive commands.
-	  if test yes = "$module" && test -n "$module_cmds"; then
-	    if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
-	      cmds=$module_expsym_cmds
-	    else
-	      cmds=$module_cmds
-	    fi
-	  else
-	    if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
-	      cmds=$archive_expsym_cmds
-	    else
-	      cmds=$archive_cmds
-	    fi
-	  fi
-	fi
-
-	if test -n "$delfiles"; then
-	  # Append the command to remove temporary files to $cmds.
-	  eval cmds=\"\$cmds~\$RM $delfiles\"
-	fi
-
-	# Add any objects from preloaded convenience libraries
-	if test -n "$dlprefiles"; then
-	  gentop=$output_objdir/${outputname}x
-	  func_append generated " $gentop"
-
-	  func_extract_archives $gentop $dlprefiles
-	  func_append libobjs " $func_extract_archives_result"
-	  test "X$libobjs" = "X " && libobjs=
-	fi
-
-	save_ifs=$IFS; IFS='~'
-	for cmd in $cmds; do
-	  IFS=$sp$nl
-	  eval cmd=\"$cmd\"
-	  IFS=$save_ifs
-	  $opt_quiet || {
-	    func_quote_for_expand "$cmd"
-	    eval "func_echo $func_quote_for_expand_result"
-	  }
-	  $opt_dry_run || eval "$cmd" || {
-	    lt_exit=$?
-
-	    # Restore the uninstalled library and exit
-	    if test relink = "$opt_mode"; then
-	      ( cd "$output_objdir" && \
-	        $RM "${realname}T" && \
-		$MV "${realname}U" "$realname" )
-	    fi
-
-	    exit $lt_exit
-	  }
-	done
-	IFS=$save_ifs
-
-	# Restore the uninstalled library and exit
-	if test relink = "$opt_mode"; then
-	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
-
-	  if test -n "$convenience"; then
-	    if test -z "$whole_archive_flag_spec"; then
-	      func_show_eval '${RM}r "$gentop"'
-	    fi
-	  fi
-
-	  exit $EXIT_SUCCESS
-	fi
-
-	# Create links to the real library.
-	for linkname in $linknames; do
-	  if test "$realname" != "$linkname"; then
-	    func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
-	  fi
-	done
-
-	# If -module or -export-dynamic was specified, set the dlname.
-	if test yes = "$module" || test yes = "$export_dynamic"; then
-	  # On all known operating systems, these are identical.
-	  dlname=$soname
-	fi
-      fi
-      ;;
-
-    obj)
-      if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
-	func_warning "'-dlopen' is ignored for objects"
-      fi
-
-      case " $deplibs" in
-      *\ -l* | *\ -L*)
-	func_warning "'-l' and '-L' are ignored for objects" ;;
-      esac
-
-      test -n "$rpath" && \
-	func_warning "'-rpath' is ignored for objects"
-
-      test -n "$xrpath" && \
-	func_warning "'-R' is ignored for objects"
-
-      test -n "$vinfo" && \
-	func_warning "'-version-info' is ignored for objects"
-
-      test -n "$release" && \
-	func_warning "'-release' is ignored for objects"
-
-      case $output in
-      *.lo)
-	test -n "$objs$old_deplibs" && \
-	  func_fatal_error "cannot build library object '$output' from non-libtool objects"
-
-	libobj=$output
-	func_lo2o "$libobj"
-	obj=$func_lo2o_result
-	;;
-      *)
-	libobj=
-	obj=$output
-	;;
-      esac
-
-      # Delete the old objects.
-      $opt_dry_run || $RM $obj $libobj
-
-      # Objects from convenience libraries.  This assumes
-      # single-version convenience libraries.  Whenever we create
-      # different ones for PIC/non-PIC, this we'll have to duplicate
-      # the extraction.
-      reload_conv_objs=
-      gentop=
-      # if reload_cmds runs $LD directly, get rid of -Wl from
-      # whole_archive_flag_spec and hope we can get by with turning comma
-      # into space.
-      case $reload_cmds in
-        *\$LD\ \$*) wl= ;;
-      esac
-      if test -n "$convenience"; then
-	if test -n "$whole_archive_flag_spec"; then
-	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
-	  test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
-	  reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags
-	else
-	  gentop=$output_objdir/${obj}x
-	  func_append generated " $gentop"
-
-	  func_extract_archives $gentop $convenience
-	  reload_conv_objs="$reload_objs $func_extract_archives_result"
-	fi
-      fi
-
-      # If we're not building shared, we need to use non_pic_objs
-      test yes = "$build_libtool_libs" || libobjs=$non_pic_objects
-
-      # Create the old-style object.
-      reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs
-
-      output=$obj
-      func_execute_cmds "$reload_cmds" 'exit $?'
-
-      # Exit if we aren't doing a library object file.
-      if test -z "$libobj"; then
-	if test -n "$gentop"; then
-	  func_show_eval '${RM}r "$gentop"'
-	fi
-
-	exit $EXIT_SUCCESS
-      fi
-
-      test yes = "$build_libtool_libs" || {
-	if test -n "$gentop"; then
-	  func_show_eval '${RM}r "$gentop"'
-	fi
-
-	# Create an invalid libtool object if no PIC, so that we don't
-	# accidentally link it into a program.
-	# $show "echo timestamp > $libobj"
-	# $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
-	exit $EXIT_SUCCESS
-      }
-
-      if test -n "$pic_flag" || test default != "$pic_mode"; then
-	# Only do commands if we really have different PIC objects.
-	reload_objs="$libobjs $reload_conv_objs"
-	output=$libobj
-	func_execute_cmds "$reload_cmds" 'exit $?'
-      fi
-
-      if test -n "$gentop"; then
-	func_show_eval '${RM}r "$gentop"'
-      fi
-
-      exit $EXIT_SUCCESS
-      ;;
-
-    prog)
-      case $host in
-	*cygwin*) func_stripname '' '.exe' "$output"
-	          output=$func_stripname_result.exe;;
-      esac
-      test -n "$vinfo" && \
-	func_warning "'-version-info' is ignored for programs"
-
-      test -n "$release" && \
-	func_warning "'-release' is ignored for programs"
-
-      $preload \
-	&& test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \
-	&& func_warning "'LT_INIT(dlopen)' not used. Assuming no dlopen support."
-
-      case $host in
-      *-*-rhapsody* | *-*-darwin1.012)
-	# On Rhapsody replace the C library is the System framework
-	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'`
-	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'`
-	;;
-      esac
-
-      case $host in
-      *-*-darwin*)
-	# Don't allow lazy linking, it breaks C++ global constructors
-	# But is supposedly fixed on 10.4 or later (yay!).
-	if test CXX = "$tagname"; then
-	  case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
-	    10.0123)
-	      func_append compile_command " $wl-bind_at_load"
-	      func_append finalize_command " $wl-bind_at_load"
-	    ;;
-	  esac
-	fi
-	# Time to change all our "foo.ltframework" stuff back to "-framework foo"
-	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% $^ $*$.ltframework% -framework \1%g'`
-	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% $^ $*$.ltframework% -framework \1%g'`
-	;;
-      esac
-
-
-      # move library search paths that coincide with paths to not yet
-      # installed libraries to the beginning of the library search list
-      new_libs=
-      for path in $notinst_path; do
-	case " $new_libs " in
-	*" -L$path/$objdir "*) ;;
-	*)
-	  case " $compile_deplibs " in
-	  *" -L$path/$objdir "*)
-	    func_append new_libs " -L$path/$objdir" ;;
-	  esac
-	  ;;
-	esac
-      done
-      for deplib in $compile_deplibs; do
-	case $deplib in
-	-L*)
-	  case " $new_libs " in
-	  *" $deplib "*) ;;
-	  *) func_append new_libs " $deplib" ;;
-	  esac
-	  ;;
-	*) func_append new_libs " $deplib" ;;
-	esac
-      done
-      compile_deplibs=$new_libs
-
-
-      func_append compile_command " $compile_deplibs"
-      func_append finalize_command " $finalize_deplibs"
-
-      if test -n "$rpath$xrpath"; then
-	# If the user specified any rpath flags, then add them.
-	for libdir in $rpath $xrpath; do
-	  # This is the magic to use -rpath.
-	  case "$finalize_rpath " in
-	  *" $libdir "*) ;;
-	  *) func_append finalize_rpath " $libdir" ;;
-	  esac
-	done
-      fi
-
-      # Now hardcode the library paths
-      rpath=
-      hardcode_libdirs=
-      for libdir in $compile_rpath $finalize_rpath; do
-	if test -n "$hardcode_libdir_flag_spec"; then
-	  if test -n "$hardcode_libdir_separator"; then
-	    if test -z "$hardcode_libdirs"; then
-	      hardcode_libdirs=$libdir
-	    else
-	      # Just accumulate the unique libdirs.
-	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
-	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
-		;;
-	      *)
-		func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
-		;;
-	      esac
-	    fi
-	  else
-	    eval flag=\"$hardcode_libdir_flag_spec\"
-	    func_append rpath " $flag"
-	  fi
-	elif test -n "$runpath_var"; then
-	  case "$perm_rpath " in
-	  *" $libdir "*) ;;
-	  *) func_append perm_rpath " $libdir" ;;
-	  esac
-	fi
-	case $host in
-	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
-	  testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'`
-	  case :$dllsearchpath: in
-	  *":$libdir:"*) ;;
-	  ::) dllsearchpath=$libdir;;
-	  *) func_append dllsearchpath ":$libdir";;
-	  esac
-	  case :$dllsearchpath: in
-	  *":$testbindir:"*) ;;
-	  ::) dllsearchpath=$testbindir;;
-	  *) func_append dllsearchpath ":$testbindir";;
-	  esac
-	  ;;
-	esac
-      done
-      # Substitute the hardcoded libdirs into the rpath.
-      if test -n "$hardcode_libdir_separator" &&
-	 test -n "$hardcode_libdirs"; then
-	libdir=$hardcode_libdirs
-	eval rpath=\" $hardcode_libdir_flag_spec\"
-      fi
-      compile_rpath=$rpath
-
-      rpath=
-      hardcode_libdirs=
-      for libdir in $finalize_rpath; do
-	if test -n "$hardcode_libdir_flag_spec"; then
-	  if test -n "$hardcode_libdir_separator"; then
-	    if test -z "$hardcode_libdirs"; then
-	      hardcode_libdirs=$libdir
-	    else
-	      # Just accumulate the unique libdirs.
-	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
-	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
-		;;
-	      *)
-		func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
-		;;
-	      esac
-	    fi
-	  else
-	    eval flag=\"$hardcode_libdir_flag_spec\"
-	    func_append rpath " $flag"
-	  fi
-	elif test -n "$runpath_var"; then
-	  case "$finalize_perm_rpath " in
-	  *" $libdir "*) ;;
-	  *) func_append finalize_perm_rpath " $libdir" ;;
-	  esac
-	fi
-      done
-      # Substitute the hardcoded libdirs into the rpath.
-      if test -n "$hardcode_libdir_separator" &&
-	 test -n "$hardcode_libdirs"; then
-	libdir=$hardcode_libdirs
-	eval rpath=\" $hardcode_libdir_flag_spec\"
-      fi
-      finalize_rpath=$rpath
-
-      if test -n "$libobjs" && test yes = "$build_old_libs"; then
-	# Transform all the library objects into standard objects.
-	compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
-	finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
-      fi
-
-      func_generate_dlsyms "$outputname" "@PROGRAM@" false
-
-      # template prelinking step
-      if test -n "$prelink_cmds"; then
-	func_execute_cmds "$prelink_cmds" 'exit $?'
-      fi
-
-      wrappers_required=:
-      case $host in
-      *cegcc* | *mingw32ce*)
-        # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway.
-        wrappers_required=false
-        ;;
-      *cygwin* | *mingw* )
-        test yes = "$build_libtool_libs" || wrappers_required=false
-        ;;
-      *)
-        if test no = "$need_relink" || test yes != "$build_libtool_libs"; then
-          wrappers_required=false
-        fi
-        ;;
-      esac
-      $wrappers_required || {
-	# Replace the output file specification.
-	compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
-	link_command=$compile_command$compile_rpath
-
-	# We have no uninstalled library dependencies, so finalize right now.
-	exit_status=0
-	func_show_eval "$link_command" 'exit_status=$?'
-
-	if test -n "$postlink_cmds"; then
-	  func_to_tool_file "$output"
-	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
-	  func_execute_cmds "$postlink_cmds" 'exit $?'
-	fi
-
-	# Delete the generated files.
-	if test -f "$output_objdir/${outputname}S.$objext"; then
-	  func_show_eval '$RM "$output_objdir/${outputname}S.$objext"'
-	fi
-
-	exit $exit_status
-      }
-
-      if test -n "$compile_shlibpath$finalize_shlibpath"; then
-	compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
-      fi
-      if test -n "$finalize_shlibpath"; then
-	finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
-      fi
-
-      compile_var=
-      finalize_var=
-      if test -n "$runpath_var"; then
-	if test -n "$perm_rpath"; then
-	  # We should set the runpath_var.
-	  rpath=
-	  for dir in $perm_rpath; do
-	    func_append rpath "$dir:"
-	  done
-	  compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
-	fi
-	if test -n "$finalize_perm_rpath"; then
-	  # We should set the runpath_var.
-	  rpath=
-	  for dir in $finalize_perm_rpath; do
-	    func_append rpath "$dir:"
-	  done
-	  finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
-	fi
-      fi
-
-      if test yes = "$no_install"; then
-	# We don't need to create a wrapper script.
-	link_command=$compile_var$compile_command$compile_rpath
-	# Replace the output file specification.
-	link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
-	# Delete the old output file.
-	$opt_dry_run || $RM $output
-	# Link the executable and exit
-	func_show_eval "$link_command" 'exit $?'
-
-	if test -n "$postlink_cmds"; then
-	  func_to_tool_file "$output"
-	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
-	  func_execute_cmds "$postlink_cmds" 'exit $?'
-	fi
-
-	exit $EXIT_SUCCESS
-      fi
-
-      case $hardcode_action,$fast_install in
-        relink,*)
-	  # Fast installation is not supported
-	  link_command=$compile_var$compile_command$compile_rpath
-	  relink_command=$finalize_var$finalize_command$finalize_rpath
-
-	  func_warning "this platform does not like uninstalled shared libraries"
-	  func_warning "'$output' will be relinked during installation"
-	  ;;
-        *,yes)
-	  link_command=$finalize_var$compile_command$finalize_rpath
-	  relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
-          ;;
-	*,no)
-	  link_command=$compile_var$compile_command$compile_rpath
-	  relink_command=$finalize_var$finalize_command$finalize_rpath
-          ;;
-	*,needless)
-	  link_command=$finalize_var$compile_command$finalize_rpath
-	  relink_command=
-          ;;
-      esac
-
-      # Replace the output file specification.
-      link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
-
-      # Delete the old output files.
-      $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
-
-      func_show_eval "$link_command" 'exit $?'
-
-      if test -n "$postlink_cmds"; then
-	func_to_tool_file "$output_objdir/$outputname"
-	postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
-	func_execute_cmds "$postlink_cmds" 'exit $?'
-      fi
-
-      # Now create the wrapper script.
-      func_verbose "creating $output"
-
-      # Quote the relink command for shipping.
-      if test -n "$relink_command"; then
-	# Preserve any variables that may affect compiler behavior
-	for var in $variables_saved_for_relink; do
-	  if eval test -z \"\${$var+set}\"; then
-	    relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
-	  elif eval var_value=\$$var; test -z "$var_value"; then
-	    relink_command="$var=; export $var; $relink_command"
-	  else
-	    func_quote_for_eval "$var_value"
-	    relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
-	  fi
-	done
-	relink_command="(cd `pwd`; $relink_command)"
-	relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
-      fi
-
-      # Only actually do things if not in dry run mode.
-      $opt_dry_run || {
-	# win32 will think the script is a binary if it has
-	# a .exe suffix, so we strip it off here.
-	case $output in
-	  *.exe) func_stripname '' '.exe' "$output"
-	         output=$func_stripname_result ;;
-	esac
-	# test for cygwin because mv fails w/o .exe extensions
-	case $host in
-	  *cygwin*)
-	    exeext=.exe
-	    func_stripname '' '.exe' "$outputname"
-	    outputname=$func_stripname_result ;;
-	  *) exeext= ;;
-	esac
-	case $host in
-	  *cygwin* | *mingw* )
-	    func_dirname_and_basename "$output" "" "."
-	    output_name=$func_basename_result
-	    output_path=$func_dirname_result
-	    cwrappersource=$output_path/$objdir/lt-$output_name.c
-	    cwrapper=$output_path/$output_name.exe
-	    $RM $cwrappersource $cwrapper
-	    trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
-
-	    func_emit_cwrapperexe_src > $cwrappersource
-
-	    # The wrapper executable is built using the $host compiler,
-	    # because it contains $host paths and files. If cross-
-	    # compiling, it, like the target executable, must be
-	    # executed on the $host or under an emulation environment.
-	    $opt_dry_run || {
-	      $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
-	      $STRIP $cwrapper
-	    }
-
-	    # Now, create the wrapper script for func_source use:
-	    func_ltwrapper_scriptname $cwrapper
-	    $RM $func_ltwrapper_scriptname_result
-	    trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
-	    $opt_dry_run || {
-	      # note: this script will not be executed, so do not chmod.
-	      if test "x$build" = "x$host"; then
-		$cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
-	      else
-		func_emit_wrapper no > $func_ltwrapper_scriptname_result
-	      fi
-	    }
-	  ;;
-	  * )
-	    $RM $output
-	    trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
-
-	    func_emit_wrapper no > $output
-	    chmod +x $output
-	  ;;
-	esac
-      }
-      exit $EXIT_SUCCESS
-      ;;
-    esac
-
-    # See if we need to build an old-fashioned archive.
-    for oldlib in $oldlibs; do
-
-      case $build_libtool_libs in
-        convenience)
-	  oldobjs="$libobjs_save $symfileobj"
-	  addlibs=$convenience
-	  build_libtool_libs=no
-	  ;;
-	module)
-	  oldobjs=$libobjs_save
-	  addlibs=$old_convenience
-	  build_libtool_libs=no
-          ;;
-	*)
-	  oldobjs="$old_deplibs $non_pic_objects"
-	  $preload && test -f "$symfileobj" \
-	    && func_append oldobjs " $symfileobj"
-	  addlibs=$old_convenience
-	  ;;
-      esac
-
-      if test -n "$addlibs"; then
-	gentop=$output_objdir/${outputname}x
-	func_append generated " $gentop"
-
-	func_extract_archives $gentop $addlibs
-	func_append oldobjs " $func_extract_archives_result"
-      fi
-
-      # Do each command in the archive commands.
-      if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then
-	cmds=$old_archive_from_new_cmds
-      else
-
-	# Add any objects from preloaded convenience libraries
-	if test -n "$dlprefiles"; then
-	  gentop=$output_objdir/${outputname}x
-	  func_append generated " $gentop"
-
-	  func_extract_archives $gentop $dlprefiles
-	  func_append oldobjs " $func_extract_archives_result"
-	fi
-
-	# POSIX demands no paths to be encoded in archives.  We have
-	# to avoid creating archives with duplicate basenames if we
-	# might have to extract them afterwards, e.g., when creating a
-	# static archive out of a convenience library, or when linking
-	# the entirety of a libtool archive into another (currently
-	# not supported by libtool).
-	if (for obj in $oldobjs
-	    do
-	      func_basename "$obj"
-	      $ECHO "$func_basename_result"
-	    done | sort | sort -uc >/dev/null 2>&1); then
-	  :
-	else
-	  echo "copying selected object files to avoid basename conflicts..."
-	  gentop=$output_objdir/${outputname}x
-	  func_append generated " $gentop"
-	  func_mkdir_p "$gentop"
-	  save_oldobjs=$oldobjs
-	  oldobjs=
-	  counter=1
-	  for obj in $save_oldobjs
-	  do
-	    func_basename "$obj"
-	    objbase=$func_basename_result
-	    case " $oldobjs " in
-	    " ") oldobjs=$obj ;;
-	    *\ /"$objbase "*)
-	      while :; do
-		# Make sure we don't pick an alternate name that also
-		# overlaps.
-		newobj=lt$counter-$objbase
-		func_arith $counter + 1
-		counter=$func_arith_result
-		case " $oldobjs " in
-		*\ /"$newobj "*) ;;
-		*) if test ! -f "$gentop/$newobj"; then break; fi ;;
-		esac
-	      done
-	      func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
-	      func_append oldobjs " $gentop/$newobj"
-	      ;;
-	    *) func_append oldobjs " $obj" ;;
-	    esac
-	  done
-	fi
-	func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
-	tool_oldlib=$func_to_tool_file_result
-	eval cmds=\"$old_archive_cmds\"
-
-	func_len " $cmds"
-	len=$func_len_result
-	if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
-	  cmds=$old_archive_cmds
-	elif test -n "$archiver_list_spec"; then
-	  func_verbose "using command file archive linking..."
-	  for obj in $oldobjs
-	  do
-	    func_to_tool_file "$obj"
-	    $ECHO "$func_to_tool_file_result"
-	  done > $output_objdir/$libname.libcmd
-	  func_to_tool_file "$output_objdir/$libname.libcmd"
-	  oldobjs=" $archiver_list_spec$func_to_tool_file_result"
-	  cmds=$old_archive_cmds
-	else
-	  # the command line is too long to link in one step, link in parts
-	  func_verbose "using piecewise archive linking..."
-	  save_RANLIB=$RANLIB
-	  RANLIB=:
-	  objlist=
-	  concat_cmds=
-	  save_oldobjs=$oldobjs
-	  oldobjs=
-	  # Is there a better way of finding the last object in the list?
-	  for obj in $save_oldobjs
-	  do
-	    last_oldobj=$obj
-	  done
-	  eval test_cmds=\"$old_archive_cmds\"
-	  func_len " $test_cmds"
-	  len0=$func_len_result
-	  len=$len0
-	  for obj in $save_oldobjs
-	  do
-	    func_len " $obj"
-	    func_arith $len + $func_len_result
-	    len=$func_arith_result
-	    func_append objlist " $obj"
-	    if test "$len" -lt "$max_cmd_len"; then
-	      :
-	    else
-	      # the above command should be used before it gets too long
-	      oldobjs=$objlist
-	      if test "$obj" = "$last_oldobj"; then
-		RANLIB=$save_RANLIB
-	      fi
-	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
-	      eval concat_cmds=\"\$concat_cmds$old_archive_cmds\"
-	      objlist=
-	      len=$len0
-	    fi
-	  done
-	  RANLIB=$save_RANLIB
-	  oldobjs=$objlist
-	  if test -z "$oldobjs"; then
-	    eval cmds=\"\$concat_cmds\"
-	  else
-	    eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
-	  fi
-	fi
-      fi
-      func_execute_cmds "$cmds" 'exit $?'
-    done
-
-    test -n "$generated" && \
-      func_show_eval "${RM}r$generated"
-
-    # Now create the libtool archive.
-    case $output in
-    *.la)
-      old_library=
-      test yes = "$build_old_libs" && old_library=$libname.$libext
-      func_verbose "creating $output"
-
-      # Preserve any variables that may affect compiler behavior
-      for var in $variables_saved_for_relink; do
-	if eval test -z \"\${$var+set}\"; then
-	  relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
-	elif eval var_value=\$$var; test -z "$var_value"; then
-	  relink_command="$var=; export $var; $relink_command"
-	else
-	  func_quote_for_eval "$var_value"
-	  relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
-	fi
-      done
-      # Quote the link command for shipping.
-      relink_command="(cd `pwd`; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
-      relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
-      if test yes = "$hardcode_automatic"; then
-	relink_command=
-      fi
-
-      # Only create the output if not a dry run.
-      $opt_dry_run || {
-	for installed in no yes; do
-	  if test yes = "$installed"; then
-	    if test -z "$install_libdir"; then
-	      break
-	    fi
-	    output=$output_objdir/${outputname}i
-	    # Replace all uninstalled libtool libraries with the installed ones
-	    newdependency_libs=
-	    for deplib in $dependency_libs; do
-	      case $deplib in
-	      *.la)
-		func_basename "$deplib"
-		name=$func_basename_result
-		func_resolve_sysroot "$deplib"
-		eval libdir=`$SED -n -e 's/^libdir=$.*$$/\1/p' $func_resolve_sysroot_result`
-		test -z "$libdir" && \
-		  func_fatal_error "'$deplib' is not a valid libtool archive"
-		func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name"
-		;;
-	      -L*)
-		func_stripname -L '' "$deplib"
-		func_replace_sysroot "$func_stripname_result"
-		func_append newdependency_libs " -L$func_replace_sysroot_result"
-		;;
-	      -R*)
-		func_stripname -R '' "$deplib"
-		func_replace_sysroot "$func_stripname_result"
-		func_append newdependency_libs " -R$func_replace_sysroot_result"
-		;;
-	      *) func_append newdependency_libs " $deplib" ;;
-	      esac
-	    done
-	    dependency_libs=$newdependency_libs
-	    newdlfiles=
-
-	    for lib in $dlfiles; do
-	      case $lib in
-	      *.la)
-	        func_basename "$lib"
-		name=$func_basename_result
-		eval libdir=`$SED -n -e 's/^libdir=$.*$$/\1/p' $lib`
-		test -z "$libdir" && \
-		  func_fatal_error "'$lib' is not a valid libtool archive"
-		func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name"
-		;;
-	      *) func_append newdlfiles " $lib" ;;
-	      esac
-	    done
-	    dlfiles=$newdlfiles
-	    newdlprefiles=
-	    for lib in $dlprefiles; do
-	      case $lib in
-	      *.la)
-		# Only pass preopened files to the pseudo-archive (for
-		# eventual linking with the app. that links it) if we
-		# didn't already link the preopened objects directly into
-		# the library:
-		func_basename "$lib"
-		name=$func_basename_result
-		eval libdir=`$SED -n -e 's/^libdir=$.*$$/\1/p' $lib`
-		test -z "$libdir" && \
-		  func_fatal_error "'$lib' is not a valid libtool archive"
-		func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name"
-		;;
-	      esac
-	    done
-	    dlprefiles=$newdlprefiles
-	  else
-	    newdlfiles=
-	    for lib in $dlfiles; do
-	      case $lib in
-		\\/* | A-Za-z:\\/*) abs=$lib ;;
-		*) abs=`pwd`"/$lib" ;;
-	      esac
-	      func_append newdlfiles " $abs"
-	    done
-	    dlfiles=$newdlfiles
-	    newdlprefiles=
-	    for lib in $dlprefiles; do
-	      case $lib in
-		\\/* | A-Za-z:\\/*) abs=$lib ;;
-		*) abs=`pwd`"/$lib" ;;
-	      esac
-	      func_append newdlprefiles " $abs"
-	    done
-	    dlprefiles=$newdlprefiles
-	  fi
-	  $RM $output
-	  # place dlname in correct position for cygwin
-	  # In fact, it would be nice if we could use this code for all target
-	  # systems that can't hard-code library paths into their executables
-	  # and that have no shared library path variable independent of PATH,
-	  # but it turns out we can't easily determine that from inspecting
-	  # libtool variables, so we have to hard-code the OSs to which it
-	  # applies here; at the moment, that means platforms that use the PE
-	  # object format with DLL files.  See the long comment at the top of
-	  # tests/bindir.at for full details.
-	  tdlname=$dlname
-	  case $host,$output,$installed,$module,$dlname in
-	    *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll)
-	      # If a -bindir argument was supplied, place the dll there.
-	      if test -n "$bindir"; then
-		func_relative_path "$install_libdir" "$bindir"
-		tdlname=$func_relative_path_result/$dlname
-	      else
-		# Otherwise fall back on heuristic.
-		tdlname=../bin/$dlname
-	      fi
-	      ;;
-	  esac
-	  $ECHO > $output "\
-# $outputname - a libtool library file
-# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
-#
-# Please DO NOT delete this file!
-# It is necessary for linking the library.
-
-# The name that we can dlopen(3).
-dlname='$tdlname'
-
-# Names of this library.
-library_names='$library_names'
-
-# The name of the static archive.
-old_library='$old_library'
-
-# Linker flags that cannot go in dependency_libs.
-inherited_linker_flags='$new_inherited_linker_flags'
-
-# Libraries that this one depends upon.
-dependency_libs='$dependency_libs'
-
-# Names of additional weak libraries provided by this library
-weak_library_names='$weak_libs'
-
-# Version information for $libname.
-current=$current
-age=$age
-revision=$revision
-
-# Is this an already installed library?
-installed=$installed
-
-# Should we warn about portability when linking against -modules?
-shouldnotlink=$module
-
-# Files to dlopen/dlpreopen
-dlopen='$dlfiles'
-dlpreopen='$dlprefiles'
-
-# Directory that this library needs to be installed in:
-libdir='$install_libdir'"
-	  if test no,yes = "$installed,$need_relink"; then
-	    $ECHO >> $output "\
-relink_command=\"$relink_command\""
-	  fi
-	done
-      }
-
-      # Do a symbolic link so that the libtool archive can be found in
-      # LD_LIBRARY_PATH before the program is installed.
-      func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?'
-      ;;
-    esac
-    exit $EXIT_SUCCESS
-}
-
-if test link = "$opt_mode" || test relink = "$opt_mode"; then
-  func_mode_link ${1+"$@"}
-fi
-
-
-# func_mode_uninstall arg...
-func_mode_uninstall ()
-{
-    $debug_cmd
-
-    RM=$nonopt
-    files=
-    rmforce=false
-    exit_status=0
-
-    # This variable tells wrapper scripts just to set variables rather
-    # than running their programs.
-    libtool_install_magic=$magic
-
-    for arg
-    do
-      case $arg in
-      -f) func_append RM " $arg"; rmforce=: ;;
-      -*) func_append RM " $arg" ;;
-      *) func_append files " $arg" ;;
-      esac
-    done
-
-    test -z "$RM" && \
-      func_fatal_help "you must specify an RM program"
-
-    rmdirs=
-
-    for file in $files; do
-      func_dirname "$file" "" "."
-      dir=$func_dirname_result
-      if test . = "$dir"; then
-	odir=$objdir
-      else
-	odir=$dir/$objdir
-      fi
-      func_basename "$file"
-      name=$func_basename_result
-      test uninstall = "$opt_mode" && odir=$dir
-
-      # Remember odir for removal later, being careful to avoid duplicates
-      if test clean = "$opt_mode"; then
-	case " $rmdirs " in
-	  *" $odir "*) ;;
-	  *) func_append rmdirs " $odir" ;;
-	esac
-      fi
-
-      # Don't error if the file doesn't exist and rm -f was used.
-      if { test -L "$file"; } >/dev/null 2>&1 ||
-	 { test -h "$file"; } >/dev/null 2>&1 ||
-	 test -f "$file"; then
-	:
-      elif test -d "$file"; then
-	exit_status=1
-	continue
-      elif $rmforce; then
-	continue
-      fi
-
-      rmfiles=$file
-
-      case $name in
-      *.la)
-	# Possibly a libtool archive, so verify it.
-	if func_lalib_p "$file"; then
-	  func_source $dir/$name
-
-	  # Delete the libtool libraries and symlinks.
-	  for n in $library_names; do
-	    func_append rmfiles " $odir/$n"
-	  done
-	  test -n "$old_library" && func_append rmfiles " $odir/$old_library"
-
-	  case $opt_mode in
-	  clean)
-	    case " $library_names " in
-	    *" $dlname "*) ;;
-	    *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;;
-	    esac
-	    test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i"
-	    ;;
-	  uninstall)
-	    if test -n "$library_names"; then
-	      # Do each command in the postuninstall commands.
-	      func_execute_cmds "$postuninstall_cmds" '$rmforce || exit_status=1'
-	    fi
-
-	    if test -n "$old_library"; then
-	      # Do each command in the old_postuninstall commands.
-	      func_execute_cmds "$old_postuninstall_cmds" '$rmforce || exit_status=1'
-	    fi
-	    # FIXME: should reinstall the best remaining shared library.
-	    ;;
-	  esac
-	fi
-	;;
-
-      *.lo)
-	# Possibly a libtool object, so verify it.
-	if func_lalib_p "$file"; then
-
-	  # Read the .lo file
-	  func_source $dir/$name
-
-	  # Add PIC object to the list of files to remove.
-	  if test -n "$pic_object" && test none != "$pic_object"; then
-	    func_append rmfiles " $dir/$pic_object"
-	  fi
-
-	  # Add non-PIC object to the list of files to remove.
-	  if test -n "$non_pic_object" && test none != "$non_pic_object"; then
-	    func_append rmfiles " $dir/$non_pic_object"
-	  fi
-	fi
-	;;
-
-      *)
-	if test clean = "$opt_mode"; then
-	  noexename=$name
-	  case $file in
-	  *.exe)
-	    func_stripname '' '.exe' "$file"
-	    file=$func_stripname_result
-	    func_stripname '' '.exe' "$name"
-	    noexename=$func_stripname_result
-	    # $file with .exe has already been added to rmfiles,
-	    # add $file without .exe
-	    func_append rmfiles " $file"
-	    ;;
-	  esac
-	  # Do a test to see if this is a libtool program.
-	  if func_ltwrapper_p "$file"; then
-	    if func_ltwrapper_executable_p "$file"; then
-	      func_ltwrapper_scriptname "$file"
-	      relink_command=
-	      func_source $func_ltwrapper_scriptname_result
-	      func_append rmfiles " $func_ltwrapper_scriptname_result"
-	    else
-	      relink_command=
-	      func_source $dir/$noexename
-	    fi
-
-	    # note $name still contains .exe if it was in $file originally
-	    # as does the version of $file that was added into $rmfiles
-	    func_append rmfiles " $odir/$name $odir/${name}S.$objext"
-	    if test yes = "$fast_install" && test -n "$relink_command"; then
-	      func_append rmfiles " $odir/lt-$name"
-	    fi
-	    if test "X$noexename" != "X$name"; then
-	      func_append rmfiles " $odir/lt-$noexename.c"
-	    fi
-	  fi
-	fi
-	;;
-      esac
-      func_show_eval "$RM $rmfiles" 'exit_status=1'
-    done
-
-    # Try to remove the $objdir's in the directories where we deleted files
-    for dir in $rmdirs; do
-      if test -d "$dir"; then
-	func_show_eval "rmdir $dir >/dev/null 2>&1"
-      fi
-    done
-
-    exit $exit_status
-}
-
-if test uninstall = "$opt_mode" || test clean = "$opt_mode"; then
-  func_mode_uninstall ${1+"$@"}
-fi
-
-test -z "$opt_mode" && {
-  help=$generic_help
-  func_fatal_help "you must specify a MODE"
-}
-
-test -z "$exec_cmd" && \
-  func_fatal_help "invalid operation mode '$opt_mode'"
-
-if test -n "$exec_cmd"; then
-  eval exec "$exec_cmd"
-  exit $EXIT_FAILURE
-fi
-
-exit $exit_status
-
-
-# The TAGs below are defined such that we never get into a situation
-# where we disable both kinds of libraries.  Given conflicting
-# choices, we go for a static library, that is the most portable,
-# since we can't tell whether shared libraries were disabled because
-# the user asked for that or because the platform doesn't support
-# them.  This is particularly important on AIX, because we don't
-# support having both static and shared libraries enabled at the same
-# time on that platform, so we default to a shared-only configuration.
-# If a disable-shared tag is given, we'll fallback to a static-only
-# configuration.  But we'll never go from static-only to shared-only.
-
-# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
-build_libtool_libs=no
-build_old_libs=yes
-# ### END LIBTOOL TAG CONFIG: disable-shared
-
-# ### BEGIN LIBTOOL TAG CONFIG: disable-static
-build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
-# ### END LIBTOOL TAG CONFIG: disable-static
-
-# Local Variables:
-# mode:shell-script
-# sh-indentation:2
-# End:

_service:tar_scm:qpdf-8.4.2.tar.gz/m4 Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/m4/ax_random_device.m4 Deleted

@@ -1,31 +0,0 @@
-dnl @synopsis AX_RANDOM_DEVICE
-dnl
-dnl This macro will check for a random device, allowing the user to explicitly
-dnl set the path. The user uses '--with-random=FILE' as an argument to
-dnl configure.
-dnl
-dnl If A random device is found then HAVE_RANDOM_DEVICE is set to 1 and
-dnl RANDOM_DEVICE contains the path.
-dnl
-dnl @category Miscellaneous
-dnl @author Martin Ebourne
-dnl @version 2005/07/01
-dnl @license AllPermissive
-
-AC_DEFUN(AX_RANDOM_DEVICE, 
-  AC_ARG_WITH(random,
-    AC_HELP_STRING(--with-random=FILE, Use FILE as random number seed auto-detected),
-    RANDOM_DEVICE="$withval",
-    AC_CHECK_FILE("/dev/urandom", RANDOM_DEVICE="/dev/urandom";,
-       AC_CHECK_FILE("/dev/arandom", RANDOM_DEVICE="/dev/arandom";,
-         AC_CHECK_FILE("/dev/random", RANDOM_DEVICE="/dev/random";)
-       ))
-    )
-  if test "x$RANDOM_DEVICE" != "x" ; then
-    AC_DEFINE(HAVE_RANDOM_DEVICE, 1,
-              Define to 1 (and set RANDOM_DEVICE) if a random device is available)
-    AC_SUBST(RANDOM_DEVICE)
-    AC_DEFINE_UNQUOTED(RANDOM_DEVICE, "$RANDOM_DEVICE",
-                       Define to the filename of the random device (and set HAVE_RANDOM_DEVICE))
-  fi
-)dnl

_service:tar_scm:qpdf-8.4.2.tar.gz/m4/libtool.m4 Deleted

@@ -1,8387 +0,0 @@
-# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
-#
-#   Copyright (C) 1996-2001, 2003-2015 Free Software Foundation, Inc.
-#   Written by Gordon Matzigkeit, 1996
-#
-# This file is free software; the Free Software Foundation gives
-# unlimited permission to copy and/or distribute it, with or without
-# modifications, as long as this notice is preserved.
-
-m4_define(_LT_COPYING, dnl
-# Copyright (C) 2014 Free Software Foundation, Inc.
-# This is free software; see the source for copying conditions.  There is NO
-# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-# GNU Libtool is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of of the License, or
-# (at your option) any later version.
-#
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program or library that is built
-# using GNU Libtool, you may include this file under the  same
-# distribution terms that you use for the rest of that program.
-#
-# GNU Libtool is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-)
-
-# serial 58 LT_INIT
-
-
-# LT_PREREQ(VERSION)
-# ------------------
-# Complain and exit if this libtool version is less that VERSION.
-m4_defun(LT_PREREQ,
-m4_if(m4_version_compare(m4_defn(LT_PACKAGE_VERSION), $1), -1,
-       m4_default($3,
-		   m4_fatal(Libtool version $1 or higher is required,
-		             63)),
-       $2))
-
-
-# _LT_CHECK_BUILDDIR
-# ------------------
-# Complain if the absolute build directory name contains unusual characters
-m4_defun(_LT_CHECK_BUILDDIR,
-case `pwd` in
-  *\ * | *\	*)
-    AC_MSG_WARN(Libtool does not cope well with whitespace in `pwd`) ;;
-esac
-)
-
-
-# LT_INIT(OPTIONS)
-# ------------------
-AC_DEFUN(LT_INIT,
-AC_PREREQ(2.62)dnl We use AC_PATH_PROGS_FEATURE_CHECK
-AC_REQUIRE(AC_CONFIG_AUX_DIR_DEFAULT)dnl
-AC_BEFORE($0, LT_LANG)dnl
-AC_BEFORE($0, LT_OUTPUT)dnl
-AC_BEFORE($0, LTDL_INIT)dnl
-m4_require(_LT_CHECK_BUILDDIR)dnl
-
-dnl Autoconf doesn't catch unexpanded LT_ macros by default:
-m4_pattern_forbid(^_?LT_A-Z_+$)dnl
-m4_pattern_allow(^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$)dnl
-dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
-dnl unless we require an AC_DEFUNed macro:
-AC_REQUIRE(LTOPTIONS_VERSION)dnl
-AC_REQUIRE(LTSUGAR_VERSION)dnl
-AC_REQUIRE(LTVERSION_VERSION)dnl
-AC_REQUIRE(LTOBSOLETE_VERSION)dnl
-m4_require(_LT_PROG_LTMAIN)dnl
-
-_LT_SHELL_INIT(SHELL=${CONFIG_SHELL-/bin/sh})
-
-dnl Parse OPTIONS
-_LT_SET_OPTIONS($0, $1)
-
-# This can be used to rebuild libtool when needed
-LIBTOOL_DEPS=$ltmain
-
-# Always use our own libtool.
-LIBTOOL='$(SHELL) $(top_builddir)/libtool'
-AC_SUBST(LIBTOOL)dnl
-
-_LT_SETUP
-
-# Only expand once:
-m4_define(LT_INIT)
-)# LT_INIT
-
-# Old names:
-AU_ALIAS(AC_PROG_LIBTOOL, LT_INIT)
-AU_ALIAS(AM_PROG_LIBTOOL, LT_INIT)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_PROG_LIBTOOL, )
-dnl AC_DEFUN(AM_PROG_LIBTOOL, )
-
-
-# _LT_PREPARE_CC_BASENAME
-# -----------------------
-m4_defun(_LT_PREPARE_CC_BASENAME, 
-# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
-func_cc_basename ()
-{
-    for cc_temp in @S|@*""; do
-      case $cc_temp in
-        compile | *\\/compile | ccache | *\\/ccache ) ;;
-        distcc | *\\/distcc | purify | *\\/purify ) ;;
-        \-*) ;;
-        *) break;;
-      esac
-    done
-    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
-}
-)# _LT_PREPARE_CC_BASENAME
-
-
-# _LT_CC_BASENAME(CC)
-# -------------------
-# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME,
-# but that macro is also expanded into generated libtool script, which
-# arranges for $SED and $ECHO to be set by different means.
-m4_defun(_LT_CC_BASENAME,
-m4_require(_LT_PREPARE_CC_BASENAME)dnl
-AC_REQUIRE(_LT_DECL_SED)dnl
-AC_REQUIRE(_LT_PROG_ECHO_BACKSLASH)dnl
-func_cc_basename $1
-cc_basename=$func_cc_basename_result
-)
-
-
-# _LT_FILEUTILS_DEFAULTS
-# ----------------------
-# It is okay to use these file commands and assume they have been set
-# sensibly after 'm4_require(_LT_FILEUTILS_DEFAULTS)'.
-m4_defun(_LT_FILEUTILS_DEFAULTS,
-: ${CP="cp -f"}
-: ${MV="mv -f"}
-: ${RM="rm -f"}
-)# _LT_FILEUTILS_DEFAULTS
-
-
-# _LT_SETUP
-# ---------
-m4_defun(_LT_SETUP,
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-AC_REQUIRE(AC_CANONICAL_BUILD)dnl
-AC_REQUIRE(_LT_PREPARE_SED_QUOTE_VARS)dnl
-AC_REQUIRE(_LT_PROG_ECHO_BACKSLASH)dnl
-
-_LT_DECL(, PATH_SEPARATOR, 1, The PATH separator for the build system)dnl
-dnl
-_LT_DECL(, host_alias, 0, The host system)dnl
-_LT_DECL(, host, 0)dnl
-_LT_DECL(, host_os, 0)dnl
-dnl
-_LT_DECL(, build_alias, 0, The build system)dnl
-_LT_DECL(, build, 0)dnl
-_LT_DECL(, build_os, 0)dnl
-dnl
-AC_REQUIRE(AC_PROG_CC)dnl
-AC_REQUIRE(LT_PATH_LD)dnl
-AC_REQUIRE(LT_PATH_NM)dnl
-dnl
-AC_REQUIRE(AC_PROG_LN_S)dnl
-test -z "$LN_S" && LN_S="ln -s"
-_LT_DECL(, LN_S, 1, Whether we need soft or hard links)dnl
-dnl
-AC_REQUIRE(LT_CMD_MAX_LEN)dnl
-_LT_DECL(objext, ac_objext, 0, Object file suffix (normally "o"))dnl
-_LT_DECL(, exeext, 0, Executable file suffix (normally ""))dnl
-dnl
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-m4_require(_LT_CHECK_SHELL_FEATURES)dnl
-m4_require(_LT_PATH_CONVERSION_FUNCTIONS)dnl
-m4_require(_LT_CMD_RELOAD)dnl
-m4_require(_LT_CHECK_MAGIC_METHOD)dnl
-m4_require(_LT_CHECK_SHAREDLIB_FROM_LINKLIB)dnl
-m4_require(_LT_CMD_OLD_ARCHIVE)dnl
-m4_require(_LT_CMD_GLOBAL_SYMBOLS)dnl
-m4_require(_LT_WITH_SYSROOT)dnl
-m4_require(_LT_CMD_TRUNCATE)dnl
-
-_LT_CONFIG_LIBTOOL_INIT(
-# See if we are running on zsh, and set the options that allow our
-# commands through without removal of \ escapes INIT.
-if test -n "\${ZSH_VERSION+set}"; then
-   setopt NO_GLOB_SUBST
-fi
-)
-if test -n "${ZSH_VERSION+set}"; then
-   setopt NO_GLOB_SUBST
-fi
-
-_LT_CHECK_OBJDIR
-
-m4_require(_LT_TAG_COMPILER)dnl
-
-case $host_os in
-aix3*)
-  # AIX sometimes has problems with the GCC collect2 program.  For some
-  # reason, if we set the COLLECT_NAMES environment variable, the problems
-  # vanish in a puff of smoke.
-  if test set != "${COLLECT_NAMES+set}"; then
-    COLLECT_NAMES=
-    export COLLECT_NAMES
-  fi
-  ;;
-esac
-
-# Global variables:
-ofile=libtool
-can_build_shared=yes
-
-# All known linkers require a '.a' archive for static linking (except MSVC,
-# which needs '.lib').
-libext=a
-
-with_gnu_ld=$lt_cv_prog_gnu_ld
-
-old_CC=$CC
-old_CFLAGS=$CFLAGS
-
-# Set sane defaults for various variables
-test -z "$CC" && CC=cc
-test -z "$LTCC" && LTCC=$CC
-test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
-test -z "$LD" && LD=ld
-test -z "$ac_objext" && ac_objext=o
-
-_LT_CC_BASENAME($compiler)
-
-# Only perform the check for file, if the check method requires it
-test -z "$MAGIC_CMD" && MAGIC_CMD=file
-case $deplibs_check_method in
-file_magic*)
-  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
-    _LT_PATH_MAGIC
-  fi
-  ;;
-esac
-
-# Use C for the default configuration in the libtool script
-LT_SUPPORTED_TAG(CC)
-_LT_LANG_C_CONFIG
-_LT_LANG_DEFAULT_CONFIG
-_LT_CONFIG_COMMANDS
-)# _LT_SETUP
-
-
-# _LT_PREPARE_SED_QUOTE_VARS
-# --------------------------
-# Define a few sed substitution that help us do robust quoting.
-m4_defun(_LT_PREPARE_SED_QUOTE_VARS,
-# Backslashify metacharacters that are still active within
-# double-quoted strings.
-sed_quote_subst='s/$"`$\\$/\\\1/g'
-
-# Same as above, but do not quote variable references.
-double_quote_subst='s/$"`\\$/\\\1/g'
-
-# Sed substitution to delay expansion of an escaped shell variable in a
-# double_quote_subst'ed string.
-delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
-
-# Sed substitution to delay expansion of an escaped single quote.
-delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
-
-# Sed substitution to avoid accidental globbing in evaled expressions
-no_glob_subst='s/\*/\\\*/g'
-)
-
-# _LT_PROG_LTMAIN
-# ---------------
-# Note that this code is called both from 'configure', and 'config.status'
-# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
-# 'config.status' has no value for ac_aux_dir unless we are using Automake,
-# so we pass a copy along to make sure it has a sensible value anyway.
-m4_defun(_LT_PROG_LTMAIN,
-m4_ifdef(AC_REQUIRE_AUX_FILE, AC_REQUIRE_AUX_FILE(ltmain.sh))dnl
-_LT_CONFIG_LIBTOOL_INIT(ac_aux_dir='$ac_aux_dir')
-ltmain=$ac_aux_dir/ltmain.sh
-)# _LT_PROG_LTMAIN
-
-
-## ------------------------------------- ##
-## Accumulate code for creating libtool. ##
-## ------------------------------------- ##
-
-# So that we can recreate a full libtool script including additional
-# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
-# in macros and then make a single call at the end using the 'libtool'
-# label.
-
-
-# _LT_CONFIG_LIBTOOL_INIT(INIT-COMMANDS)
-# ----------------------------------------
-# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
-m4_define(_LT_CONFIG_LIBTOOL_INIT,
-m4_ifval($1,
-          m4_append(_LT_OUTPUT_LIBTOOL_INIT,
-                     $1
-)))
-
-# Initialize.
-m4_define(_LT_OUTPUT_LIBTOOL_INIT)
-
-
-# _LT_CONFIG_LIBTOOL(COMMANDS)
-# ------------------------------
-# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
-m4_define(_LT_CONFIG_LIBTOOL,
-m4_ifval($1,
-          m4_append(_LT_OUTPUT_LIBTOOL_COMMANDS,
-                     $1
-)))
-
-# Initialize.
-m4_define(_LT_OUTPUT_LIBTOOL_COMMANDS)
-
-
-# _LT_CONFIG_SAVE_COMMANDS(COMMANDS, INIT_COMMANDS)
-# -----------------------------------------------------
-m4_defun(_LT_CONFIG_SAVE_COMMANDS,
-_LT_CONFIG_LIBTOOL($1)
-_LT_CONFIG_LIBTOOL_INIT($2)
-)
-
-
-# _LT_FORMAT_COMMENT(COMMENT)
-# -----------------------------
-# Add leading comment marks to the start of each line, and a trailing
-# full-stop to the whole comment if one is not present already.
-m4_define(_LT_FORMAT_COMMENT,
-m4_ifval($1, 
-m4_bpatsubst(m4_bpatsubst($1, ^ *, # ),
-              '`$\, \\\&)m4_bmatch($1, !?.$, , .)
-))
-
-
-
-## ------------------------ ##
-## FIXME: Eliminate VARNAME ##
-## ------------------------ ##
-
-
-# _LT_DECL(CONFIGNAME, VARNAME, VALUE, DESCRIPTION, IS-TAGGED?)
-# -------------------------------------------------------------------
-# CONFIGNAME is the name given to the value in the libtool script.
-# VARNAME is the (base) name used in the configure script.
-# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
-# VARNAME.  Any other value will be used directly.
-m4_define(_LT_DECL,
-lt_if_append_uniq(lt_decl_varnames, $2, , ,
-    lt_dict_add_subkey(lt_decl_dict, $2, libtool_name,
-	m4_ifval($1, $1, $2))
-    lt_dict_add_subkey(lt_decl_dict, $2, value, $3)
-    m4_ifval($4,
-	lt_dict_add_subkey(lt_decl_dict, $2, description, $4))
-    lt_dict_add_subkey(lt_decl_dict, $2,
-	tagged?, m4_ifval($5, yes, no)))
-)
-
-
-# _LT_TAGDECL(CONFIGNAME, VARNAME, VALUE, DESCRIPTION)
-# --------------------------------------------------------
-m4_define(_LT_TAGDECL, _LT_DECL($1, $2, $3, $4, yes))
-
-
-# lt_decl_tag_varnames(SEPARATOR, VARNAME1...)
-# ------------------------------------------------
-m4_define(lt_decl_tag_varnames,
-_lt_decl_filter(tagged?, yes, $@))
-
-
-# _lt_decl_filter(SUBKEY, VALUE, SEPARATOR, VARNAME1..)
-# ---------------------------------------------------------
-m4_define(_lt_decl_filter,
-m4_case($#,
-  0, m4_fatal($0: too few arguments: $#),
-  1, m4_fatal($0: too few arguments: $#: $1),
-  2, lt_dict_filter(lt_decl_dict, $1, $2, , lt_decl_varnames),
-  3, lt_dict_filter(lt_decl_dict, $1, $2, $3, lt_decl_varnames),
-  lt_dict_filter(lt_decl_dict, $@))dnl
-)
-
-
-# lt_decl_quote_varnames(SEPARATOR, VARNAME1...)
-# --------------------------------------------------
-m4_define(lt_decl_quote_varnames,
-_lt_decl_filter(value, 1, $@))
-
-
-# lt_decl_dquote_varnames(SEPARATOR, VARNAME1...)
-# ---------------------------------------------------
-m4_define(lt_decl_dquote_varnames,
-_lt_decl_filter(value, 2, $@))
-
-
-# lt_decl_varnames_tagged(SEPARATOR, VARNAME1...)
-# ---------------------------------------------------
-m4_define(lt_decl_varnames_tagged,
-m4_assert($# <= 2)dnl
-_$0(m4_quote(m4_default($1, , )),
-    m4_ifval($2, $2, m4_dquote(lt_decl_tag_varnames)),
-    m4_split(m4_normalize(m4_quote(_LT_TAGS)),  )))
-m4_define(_lt_decl_varnames_tagged,
-m4_ifval($3, lt_combine($1, $2, _, $3)))
-
-
-# lt_decl_all_varnames(SEPARATOR, VARNAME1...)
-# ------------------------------------------------
-m4_define(lt_decl_all_varnames,
-_$0(m4_quote(m4_default($1, , )),
-     m4_if($2, ,
-	   m4_quote(lt_decl_varnames),
-	m4_quote(m4_shift($@))))dnl
-)
-m4_define(_lt_decl_all_varnames,
-lt_join($@, lt_decl_varnames_tagged($1,
-			lt_decl_tag_varnames(, , m4_shift($@))))dnl
-)
-
-
-# _LT_CONFIG_STATUS_DECLARE(VARNAME)
-# ------------------------------------
-# Quote a variable value, and forward it to 'config.status' so that its
-# declaration there will have the same value as in 'configure'.  VARNAME
-# must have a single quote delimited value for this to work.
-m4_define(_LT_CONFIG_STATUS_DECLARE,
-$1='`$ECHO "$$1" | $SED "$delay_single_quote_subst"`')
-
-
-# _LT_CONFIG_STATUS_DECLARATIONS
-# ------------------------------
-# We delimit libtool config variables with single quotes, so when
-# we write them to config.status, we have to be sure to quote all
-# embedded single quotes properly.  In configure, this macro expands
-# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
-#
-#    <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
-m4_defun(_LT_CONFIG_STATUS_DECLARATIONS,
-m4_foreach(_lt_var, m4_quote(lt_decl_all_varnames),
-    m4_n(_LT_CONFIG_STATUS_DECLARE(_lt_var))))
-
-
-# _LT_LIBTOOL_TAGS
-# ----------------
-# Output comment and list of tags supported by the script
-m4_defun(_LT_LIBTOOL_TAGS,
-_LT_FORMAT_COMMENT(The names of the tagged configurations supported by this script)dnl
-available_tags='_LT_TAGS'dnl
-)
-
-
-# _LT_LIBTOOL_DECLARE(VARNAME, TAG)
-# -----------------------------------
-# Extract the dictionary values for VARNAME (optionally with TAG) and
-# expand to a commented shell variable setting:
-#
-#    # Some comment about what VAR is for.
-#    visible_name=$lt_internal_name
-m4_define(_LT_LIBTOOL_DECLARE,
-_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch(lt_decl_dict, $1,
-					   description)))dnl
-m4_pushdef(_libtool_name,
-    m4_quote(lt_dict_fetch(lt_decl_dict, $1, libtool_name)))dnl
-m4_case(m4_quote(lt_dict_fetch(lt_decl_dict, $1, value)),
-    0, _libtool_name=$$1,
-    1, _libtool_name=$lt_$1,
-    2, _libtool_name=$lt_$1,
-    _libtool_name=lt_dict_fetch(lt_decl_dict, $1, value))dnl
-m4_ifval($2, _$2)m4_popdef(_libtool_name)dnl
-)
-
-
-# _LT_LIBTOOL_CONFIG_VARS
-# -----------------------
-# Produce commented declarations of non-tagged libtool config variables
-# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool'
-# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
-# section) are produced by _LT_LIBTOOL_TAG_VARS.
-m4_defun(_LT_LIBTOOL_CONFIG_VARS,
-m4_foreach(_lt_var,
-    m4_quote(_lt_decl_filter(tagged?, no, , lt_decl_varnames)),
-    m4_n(_LT_LIBTOOL_DECLARE(_lt_var))))
-
-
-# _LT_LIBTOOL_TAG_VARS(TAG)
-# -------------------------
-m4_define(_LT_LIBTOOL_TAG_VARS,
-m4_foreach(_lt_var, m4_quote(lt_decl_tag_varnames),
-    m4_n(_LT_LIBTOOL_DECLARE(_lt_var, $1))))
-
-
-# _LT_TAGVAR(VARNAME, TAGNAME)
-# ------------------------------
-m4_define(_LT_TAGVAR, m4_ifval($2, $1_$2, $1))
-
-
-# _LT_CONFIG_COMMANDS
-# -------------------
-# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
-# variables for single and double quote escaping we saved from calls
-# to _LT_DECL, we can put quote escaped variables declarations
-# into 'config.status', and then the shell code to quote escape them in
-# for loops in 'config.status'.  Finally, any additional code accumulated
-# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
-m4_defun(_LT_CONFIG_COMMANDS,
-AC_PROVIDE_IFELSE(LT_OUTPUT,
-	dnl If the libtool generation code has been placed in $CONFIG_LT,
-	dnl instead of duplicating it all over again into config.status,
-	dnl then we will have config.status run $CONFIG_LT later, so it
-	dnl needs to know what name is stored there:
-        AC_CONFIG_COMMANDS(libtool,
-            $SHELL $CONFIG_LT || AS_EXIT(1), CONFIG_LT='$CONFIG_LT'),
-    dnl If the libtool generation code is destined for config.status,
-    dnl expand the accumulated commands and init code now:
-    AC_CONFIG_COMMANDS(libtool,
-        _LT_OUTPUT_LIBTOOL_COMMANDS, _LT_OUTPUT_LIBTOOL_COMMANDS_INIT))
-)#_LT_CONFIG_COMMANDS
-
-
-# Initialize.
-m4_define(_LT_OUTPUT_LIBTOOL_COMMANDS_INIT,
-
-
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-sed_quote_subst='$sed_quote_subst'
-double_quote_subst='$double_quote_subst'
-delay_variable_subst='$delay_variable_subst'
-_LT_CONFIG_STATUS_DECLARATIONS
-LTCC='$LTCC'
-LTCFLAGS='$LTCFLAGS'
-compiler='$compiler_DEFAULT'
-
-# A function that is used when there is no print builtin or printf.
-func_fallback_echo ()
-{
-  eval 'cat <<_LTECHO_EOF
-\$1
-_LTECHO_EOF'
-}
-
-# Quote evaled strings.
-for var in lt_decl_all_varnames( \
-, lt_decl_quote_varnames); do
-    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
-    *\\\\\\\`\\"\\\$*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
-      ;;
-    *)
-      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
-      ;;
-    esac
-done
-
-# Double-quote double-evaled strings.
-for var in lt_decl_all_varnames( \
-, lt_decl_dquote_varnames); do
-    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
-    *\\\\\\\`\\"\\\$*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
-      ;;
-    *)
-      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
-      ;;
-    esac
-done
-
-_LT_OUTPUT_LIBTOOL_INIT
-)
-
-# _LT_GENERATED_FILE_INIT(FILE, COMMENT)
-# ------------------------------------
-# Generate a child script FILE with all initialization necessary to
-# reuse the environment learned by the parent script, and make the
-# file executable.  If COMMENT is supplied, it is inserted after the
-# '#!' sequence but before initialization text begins.  After this
-# macro, additional text can be appended to FILE to form the body of
-# the child script.  The macro ends with non-zero status if the
-# file could not be fully written (such as if the disk is full).
-m4_ifdef(AS_INIT_GENERATED,
-m4_defun(_LT_GENERATED_FILE_INIT,AS_INIT_GENERATED($@)),
-m4_defun(_LT_GENERATED_FILE_INIT,
-m4_require(AS_PREPARE)dnl
-m4_pushdef(AS_MESSAGE_LOG_FD)dnl
-lt_write_fail=0
-cat >$1 <<_ASEOF || lt_write_fail=1
-#! $SHELL
-# Generated by $as_me.
-$2
-SHELL=\${CONFIG_SHELL-$SHELL}
-export SHELL
-_ASEOF
-cat >>$1 <<\_ASEOF || lt_write_fail=1
-AS_SHELL_SANITIZE
-_AS_PREPARE
-exec AS_MESSAGE_FD>&1
-_ASEOF
-test 0 = "$lt_write_fail" && chmod +x $1dnl
-m4_popdef(AS_MESSAGE_LOG_FD)))# _LT_GENERATED_FILE_INIT
-
-# LT_OUTPUT
-# ---------
-# This macro allows early generation of the libtool script (before
-# AC_OUTPUT is called), incase it is used in configure for compilation
-# tests.
-AC_DEFUN(LT_OUTPUT,
-: ${CONFIG_LT=./config.lt}
-AC_MSG_NOTICE(creating $CONFIG_LT)
-_LT_GENERATED_FILE_INIT("$CONFIG_LT",
-# Run this file to recreate a libtool stub with the current configuration.)
-
-cat >>"$CONFIG_LT" <<\_LTEOF
-lt_cl_silent=false
-exec AS_MESSAGE_LOG_FD>>config.log
-{
-  echo
-  AS_BOX(Running $as_me.)
-} >&AS_MESSAGE_LOG_FD
-
-lt_cl_help="\
-'$as_me' creates a local libtool stub from the current configuration,
-for use in further configure time tests before the real libtool is
-generated.
-
-Usage: $0 OPTIONS
-
-  -h, --help      print this help, then exit
-  -V, --version   print version number, then exit
-  -q, --quiet     do not print progress messages
-  -d, --debug     don't remove temporary files
-
-Report bugs to <bug-libtool@gnu.org>."
-
-lt_cl_version="\
-m4_ifset(AC_PACKAGE_NAME, AC_PACKAGE_NAME )config.ltdnl
-m4_ifset(AC_PACKAGE_VERSION,  AC_PACKAGE_VERSION)
-configured by $0, generated by m4_PACKAGE_STRING.
-
-Copyright (C) 2011 Free Software Foundation, Inc.
-This config.lt script is free software; the Free Software Foundation
-gives unlimited permision to copy, distribute and modify it."
-
-while test 0 != $#
-do
-  case $1 in
-    --version | --v* | -V )
-      echo "$lt_cl_version"; exit 0 ;;
-    --help | --h* | -h )
-      echo "$lt_cl_help"; exit 0 ;;
-    --debug | --d* | -d )
-      debug=: ;;
-    --quiet | --q* | --silent | --s* | -q )
-      lt_cl_silent=: ;;
-
-    -*) AC_MSG_ERROR(unrecognized option: $1
-Try '$0 --help' for more information.) ;;
-
-    *) AC_MSG_ERROR(unrecognized argument: $1
-Try '$0 --help' for more information.) ;;
-  esac
-  shift
-done
-
-if $lt_cl_silent; then
-  exec AS_MESSAGE_FD>/dev/null
-fi
-_LTEOF
-
-cat >>"$CONFIG_LT" <<_LTEOF
-_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
-_LTEOF
-
-cat >>"$CONFIG_LT" <<\_LTEOF
-AC_MSG_NOTICE(creating $ofile)
-_LT_OUTPUT_LIBTOOL_COMMANDS
-AS_EXIT(0)
-_LTEOF
-chmod +x "$CONFIG_LT"
-
-# configure is writing to config.log, but config.lt does its own redirection,
-# appending to config.log, which fails on DOS, as config.log is still kept
-# open by configure.  Here we exec the FD to /dev/null, effectively closing
-# config.log, so it can be properly (re)opened and appended to by config.lt.
-lt_cl_success=:
-test yes = "$silent" &&
-  lt_config_lt_args="$lt_config_lt_args --quiet"
-exec AS_MESSAGE_LOG_FD>/dev/null
-$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
-exec AS_MESSAGE_LOG_FD>>config.log
-$lt_cl_success || AS_EXIT(1)
-)# LT_OUTPUT
-
-
-# _LT_CONFIG(TAG)
-# ---------------
-# If TAG is the built-in tag, create an initial libtool script with a
-# default configuration from the untagged config vars.  Otherwise add code
-# to config.status for appending the configuration named by TAG from the
-# matching tagged config vars.
-m4_defun(_LT_CONFIG,
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-_LT_CONFIG_SAVE_COMMANDS(
-  m4_define(_LT_TAG, m4_if($1, , C, $1))dnl
-  m4_if(_LT_TAG, C, 
-    # See if we are running on zsh, and set the options that allow our
-    # commands through without removal of \ escapes.
-    if test -n "${ZSH_VERSION+set}"; then
-      setopt NO_GLOB_SUBST
-    fi
-
-    cfgfile=${ofile}T
-    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
-    $RM "$cfgfile"
-
-    cat <<_LT_EOF >> "$cfgfile"
-#! $SHELL
-# Generated automatically by $as_me ($PACKAGE) $VERSION
-# NOTE: Changes made to this file will be lost: look at ltmain.sh.
-
-# Provide generalized library-building support services.
-# Written by Gordon Matzigkeit, 1996
-
-_LT_COPYING
-_LT_LIBTOOL_TAGS
-
-# Configured defaults for sys_lib_dlsearch_path munging.
-: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
-
-# ### BEGIN LIBTOOL CONFIG
-_LT_LIBTOOL_CONFIG_VARS
-_LT_LIBTOOL_TAG_VARS
-# ### END LIBTOOL CONFIG
-
-_LT_EOF
-
-    cat <<'_LT_EOF' >> "$cfgfile"
-
-# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
-
-_LT_PREPARE_MUNGE_PATH_LIST
-_LT_PREPARE_CC_BASENAME
-
-# ### END FUNCTIONS SHARED WITH CONFIGURE
-
-_LT_EOF
-
-  case $host_os in
-  aix3*)
-    cat <<\_LT_EOF >> "$cfgfile"
-# AIX sometimes has problems with the GCC collect2 program.  For some
-# reason, if we set the COLLECT_NAMES environment variable, the problems
-# vanish in a puff of smoke.
-if test set != "${COLLECT_NAMES+set}"; then
-  COLLECT_NAMES=
-  export COLLECT_NAMES
-fi
-_LT_EOF
-    ;;
-  esac
-
-  _LT_PROG_LTMAIN
-
-  # We use sed instead of cat because bash on DJGPP gets confused if
-  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
-  # text mode, it properly converts lines to CR/LF.  This bash problem
-  # is reportedly fixed, but why not run on old versions too?
-  sed '$q' "$ltmain" >> "$cfgfile" \
-     || (rm -f "$cfgfile"; exit 1)
-
-   mv -f "$cfgfile" "$ofile" ||
-    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
-  chmod +x "$ofile"
-,
-cat <<_LT_EOF >> "$ofile"
-
-dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
-dnl in a comment (ie after a #).
-# ### BEGIN LIBTOOL TAG CONFIG: $1
-_LT_LIBTOOL_TAG_VARS(_LT_TAG)
-# ### END LIBTOOL TAG CONFIG: $1
-_LT_EOF
-)dnl /m4_if
-,
-m4_if($1, , 
-    PACKAGE='$PACKAGE'
-    VERSION='$VERSION'
-    RM='$RM'
-    ofile='$ofile', )
-)dnl /_LT_CONFIG_SAVE_COMMANDS
-)# _LT_CONFIG
-
-
-# LT_SUPPORTED_TAG(TAG)
-# ---------------------
-# Trace this macro to discover what tags are supported by the libtool
-# --tag option, using:
-#    autoconf --trace 'LT_SUPPORTED_TAG:$1'
-AC_DEFUN(LT_SUPPORTED_TAG, )
-
-
-# C support is built-in for now
-m4_define(_LT_LANG_C_enabled, )
-m4_define(_LT_TAGS, )
-
-
-# LT_LANG(LANG)
-# -------------
-# Enable libtool support for the given language if not already enabled.
-AC_DEFUN(LT_LANG,
-AC_BEFORE($0, LT_OUTPUT)dnl
-m4_case($1,
-  C,			_LT_LANG(C),
-  C++,		_LT_LANG(CXX),
-  Go,			_LT_LANG(GO),
-  Java,		_LT_LANG(GCJ),
-  Fortran 77,		_LT_LANG(F77),
-  Fortran,		_LT_LANG(FC),
-  Windows Resource,	_LT_LANG(RC),
-  m4_ifdef(_LT_LANG_$1_CONFIG,
-    _LT_LANG($1),
-    m4_fatal($0: unsupported language: "$1")))dnl
-)# LT_LANG
-
-
-# _LT_LANG(LANGNAME)
-# ------------------
-m4_defun(_LT_LANG,
-m4_ifdef(_LT_LANG_$1_enabled, ,
-  LT_SUPPORTED_TAG($1)dnl
-  m4_append(_LT_TAGS, $1 )dnl
-  m4_define(_LT_LANG_$1_enabled, )dnl
-  _LT_LANG_$1_CONFIG($1))dnl
-)# _LT_LANG
-
-
-m4_ifndef(AC_PROG_GO, 
-############################################################
-# NOTE: This macro has been submitted for inclusion into   #
-#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
-#  a released version of Autoconf we should remove this    #
-#  macro and use it instead.                               #
-############################################################
-m4_defun(AC_PROG_GO,
-AC_LANG_PUSH(Go)dnl
-AC_ARG_VAR(GOC,     Go compiler command)dnl
-AC_ARG_VAR(GOFLAGS, Go compiler flags)dnl
-_AC_ARG_VAR_LDFLAGS()dnl
-AC_CHECK_TOOL(GOC, gccgo)
-if test -z "$GOC"; then
-  if test -n "$ac_tool_prefix"; then
-    AC_CHECK_PROG(GOC, ${ac_tool_prefix}gccgo, ${ac_tool_prefix}gccgo)
-  fi
-fi
-if test -z "$GOC"; then
-  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
-fi
-)#m4_defun
-)#m4_ifndef
-
-
-# _LT_LANG_DEFAULT_CONFIG
-# -----------------------
-m4_defun(_LT_LANG_DEFAULT_CONFIG,
-AC_PROVIDE_IFELSE(AC_PROG_CXX,
-  LT_LANG(CXX),
-  m4_define(AC_PROG_CXX, defn(AC_PROG_CXX)LT_LANG(CXX)))
-
-AC_PROVIDE_IFELSE(AC_PROG_F77,
-  LT_LANG(F77),
-  m4_define(AC_PROG_F77, defn(AC_PROG_F77)LT_LANG(F77)))
-
-AC_PROVIDE_IFELSE(AC_PROG_FC,
-  LT_LANG(FC),
-  m4_define(AC_PROG_FC, defn(AC_PROG_FC)LT_LANG(FC)))
-
-dnl The call to AM_PROG_GCJ is quoted like that to stop aclocal
-dnl pulling things in needlessly.
-AC_PROVIDE_IFELSE(AC_PROG_GCJ,
-  LT_LANG(GCJ),
-  AC_PROVIDE_IFELSE(AM_PROG_GCJ,
-    LT_LANG(GCJ),
-    AC_PROVIDE_IFELSE(LT_PROG_GCJ,
-      LT_LANG(GCJ),
-      m4_ifdef(AC_PROG_GCJ,
-	m4_define(AC_PROG_GCJ, defn(AC_PROG_GCJ)LT_LANG(GCJ)))
-       m4_ifdef(AM_PROG_GCJ,
-	m4_define(AM_PROG_GCJ, defn(AM_PROG_GCJ)LT_LANG(GCJ)))
-       m4_ifdef(LT_PROG_GCJ,
-	m4_define(LT_PROG_GCJ, defn(LT_PROG_GCJ)LT_LANG(GCJ))))))
-
-AC_PROVIDE_IFELSE(AC_PROG_GO,
-  LT_LANG(GO),
-  m4_define(AC_PROG_GO, defn(AC_PROG_GO)LT_LANG(GO)))
-
-AC_PROVIDE_IFELSE(LT_PROG_RC,
-  LT_LANG(RC),
-  m4_define(LT_PROG_RC, defn(LT_PROG_RC)LT_LANG(RC)))
-)# _LT_LANG_DEFAULT_CONFIG
-
-# Obsolete macros:
-AU_DEFUN(AC_LIBTOOL_CXX, LT_LANG(C++))
-AU_DEFUN(AC_LIBTOOL_F77, LT_LANG(Fortran 77))
-AU_DEFUN(AC_LIBTOOL_FC, LT_LANG(Fortran))
-AU_DEFUN(AC_LIBTOOL_GCJ, LT_LANG(Java))
-AU_DEFUN(AC_LIBTOOL_RC, LT_LANG(Windows Resource))
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_CXX, )
-dnl AC_DEFUN(AC_LIBTOOL_F77, )
-dnl AC_DEFUN(AC_LIBTOOL_FC, )
-dnl AC_DEFUN(AC_LIBTOOL_GCJ, )
-dnl AC_DEFUN(AC_LIBTOOL_RC, )
-
-
-# _LT_TAG_COMPILER
-# ----------------
-m4_defun(_LT_TAG_COMPILER,
-AC_REQUIRE(AC_PROG_CC)dnl
-
-_LT_DECL(LTCC, CC, 1, A C compiler)dnl
-_LT_DECL(LTCFLAGS, CFLAGS, 1, LTCC compiler flags)dnl
-_LT_TAGDECL(CC, compiler, 1, A language specific compiler)dnl
-_LT_TAGDECL(with_gcc, GCC, 0, Is the compiler the GNU compiler?)dnl
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-)# _LT_TAG_COMPILER
-
-
-# _LT_COMPILER_BOILERPLATE
-# ------------------------
-# Check for compiler boilerplate output or warnings with
-# the simple compiler test code.
-m4_defun(_LT_COMPILER_BOILERPLATE,
-m4_require(_LT_DECL_SED)dnl
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_compile_test_code" >conftest.$ac_ext
-eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_compiler_boilerplate=`cat conftest.err`
-$RM conftest*
-)# _LT_COMPILER_BOILERPLATE
-
-
-# _LT_LINKER_BOILERPLATE
-# ----------------------
-# Check for linker boilerplate output or warnings with
-# the simple link test code.
-m4_defun(_LT_LINKER_BOILERPLATE,
-m4_require(_LT_DECL_SED)dnl
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_link_test_code" >conftest.$ac_ext
-eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_linker_boilerplate=`cat conftest.err`
-$RM -r conftest*
-)# _LT_LINKER_BOILERPLATE
-
-# _LT_REQUIRED_DARWIN_CHECKS
-# -------------------------
-m4_defun_once(_LT_REQUIRED_DARWIN_CHECKS,
-  case $host_os in
-    rhapsody* | darwin*)
-    AC_CHECK_TOOL(DSYMUTIL, dsymutil, :)
-    AC_CHECK_TOOL(NMEDIT, nmedit, :)
-    AC_CHECK_TOOL(LIPO, lipo, :)
-    AC_CHECK_TOOL(OTOOL, otool, :)
-    AC_CHECK_TOOL(OTOOL64, otool64, :)
-    _LT_DECL(, DSYMUTIL, 1,
-      Tool to manipulate archived DWARF debug symbol files on Mac OS X)
-    _LT_DECL(, NMEDIT, 1,
-      Tool to change global to local symbols on Mac OS X)
-    _LT_DECL(, LIPO, 1,
-      Tool to manipulate fat objects and archives on Mac OS X)
-    _LT_DECL(, OTOOL, 1,
-      ldd/readelf like tool for Mach-O binaries on Mac OS X)
-    _LT_DECL(, OTOOL64, 1,
-      ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4)
-
-    AC_CACHE_CHECK(for -single_module linker flag,lt_cv_apple_cc_single_mod,
-      lt_cv_apple_cc_single_mod=no
-      if test -z "$LT_MULTI_MODULE"; then
-	# By default we will add the -single_module flag. You can override
-	# by either setting the environment variable LT_MULTI_MODULE
-	# non-empty at configure time, or by adding -multi_module to the
-	# link flags.
-	rm -rf libconftest.dylib*
-	echo "int foo(void){return 1;}" > conftest.c
-	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
--dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
-	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
-	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
-        _lt_result=$?
-	# If there is a non-empty error log, and "single_module"
-	# appears in it, assume the flag caused a linker warning
-        if test -s conftest.err && $GREP single_module conftest.err; then
-	  cat conftest.err >&AS_MESSAGE_LOG_FD
-	# Otherwise, if the output was created with a 0 exit code from
-	# the compiler, it worked.
-	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
-	  lt_cv_apple_cc_single_mod=yes
-	else
-	  cat conftest.err >&AS_MESSAGE_LOG_FD
-	fi
-	rm -rf libconftest.dylib*
-	rm -f conftest.*
-      fi)
-
-    AC_CACHE_CHECK(for -exported_symbols_list linker flag,
-      lt_cv_ld_exported_symbols_list,
-      lt_cv_ld_exported_symbols_list=no
-      save_LDFLAGS=$LDFLAGS
-      echo "_main" > conftest.sym
-      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
-      AC_LINK_IFELSE(AC_LANG_PROGRAM(,),
-	lt_cv_ld_exported_symbols_list=yes,
-	lt_cv_ld_exported_symbols_list=no)
-	LDFLAGS=$save_LDFLAGS
-    )
-
-    AC_CACHE_CHECK(for -force_load linker flag,lt_cv_ld_force_load,
-      lt_cv_ld_force_load=no
-      cat > conftest.c << _LT_EOF
-int forced_loaded() { return 2;}
-_LT_EOF
-      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
-      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
-      echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
-      $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
-      echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
-      $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
-      cat > conftest.c << _LT_EOF
-int main() { return 0;}
-_LT_EOF
-      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
-      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
-      _lt_result=$?
-      if test -s conftest.err && $GREP force_load conftest.err; then
-	cat conftest.err >&AS_MESSAGE_LOG_FD
-      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
-	lt_cv_ld_force_load=yes
-      else
-	cat conftest.err >&AS_MESSAGE_LOG_FD
-      fi
-        rm -f conftest.err libconftest.a conftest conftest.c
-        rm -rf conftest.dSYM
-    )
-    case $host_os in
-    rhapsody* | darwin1.012)
-      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
-    darwin1.*)
-      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
-    darwin*) # darwin 5.x on
-      # if running on 10.5 or later, the deployment target defaults
-      # to the OS version, if on x86, and 10.4, the deployment
-      # target defaults to 10.4. Don't you love it?
-      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
-	10.0,*86*-darwin8*|10.0,*-darwin91*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-	10.012,.*)
-	  _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
-	10.*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-      esac
-    ;;
-  esac
-    if test yes = "$lt_cv_apple_cc_single_mod"; then
-      _lt_dar_single_mod='$single_module'
-    fi
-    if test yes = "$lt_cv_ld_exported_symbols_list"; then
-      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
-    else
-      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
-    fi
-    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
-      _lt_dsymutil='~$DSYMUTIL $lib || :'
-    else
-      _lt_dsymutil=
-    fi
-    ;;
-  esac
-)
-
-
-# _LT_DARWIN_LINKER_FEATURES(TAG)
-# ---------------------------------
-# Checks for linker and compiler features on darwin
-m4_defun(_LT_DARWIN_LINKER_FEATURES,
-
-  m4_require(_LT_REQUIRED_DARWIN_CHECKS)
-  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
-  _LT_TAGVAR(hardcode_direct, $1)=no
-  _LT_TAGVAR(hardcode_automatic, $1)=yes
-  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
-  if test yes = "$lt_cv_ld_force_load"; then
-    _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
-    m4_case($1, F77, _LT_TAGVAR(compiler_needs_object, $1)=yes,
-                  FC,  _LT_TAGVAR(compiler_needs_object, $1)=yes)
-  else
-    _LT_TAGVAR(whole_archive_flag_spec, $1)=''
-  fi
-  _LT_TAGVAR(link_all_deplibs, $1)=yes
-  _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined
-  case $cc_basename in
-     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
-     *) _lt_dar_can_shared=$GCC ;;
-  esac
-  if test yes = "$_lt_dar_can_shared"; then
-    output_verbose_link_cmd=func_echo_all
-    _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
-    _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
-    _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
-    _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
-    m4_if($1, CXX,
-   if test yes != "$lt_cv_apple_cc_single_mod"; then
-      _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil"
-      _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil"
-    fi
-,)
-  else
-  _LT_TAGVAR(ld_shlibs, $1)=no
-  fi
-)
-
-# _LT_SYS_MODULE_PATH_AIX(TAGNAME)
-# ----------------------------------
-# Links a minimal program and checks the executable
-# for the system default hardcoded library path. In most cases,
-# this is /usr/lib:/lib, but when the MPI compilers are used
-# the location of the communication and MPI libs are included too.
-# If we don't find anything, use the default library path according
-# to the aix ld manual.
-# Store the results from the different compilers for each TAGNAME.
-# Allow to override them for all tags through lt_cv_aix_libpath.
-m4_defun(_LT_SYS_MODULE_PATH_AIX,
-m4_require(_LT_DECL_SED)dnl
-if test set = "${lt_cv_aix_libpath+set}"; then
-  aix_libpath=$lt_cv_aix_libpath
-else
-  AC_CACHE_VAL(_LT_TAGVAR(lt_cv_aix_libpath_, $1),
-  AC_LINK_IFELSE(AC_LANG_PROGRAM,
-  lt_aix_libpath_sed='
-      /Import File Strings/,/^$/ {
-	  /^0/ {
-	      s/^0  *$^ *$ *$/\1/
-	      p
-	  }
-      }'
-  _LT_TAGVAR(lt_cv_aix_libpath_, $1)=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  # Check for a 64-bit object if we didn't find anything.
-  if test -z "$_LT_TAGVAR(lt_cv_aix_libpath_, $1)"; then
-    _LT_TAGVAR(lt_cv_aix_libpath_, $1)=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  fi,)
-  if test -z "$_LT_TAGVAR(lt_cv_aix_libpath_, $1)"; then
-    _LT_TAGVAR(lt_cv_aix_libpath_, $1)=/usr/lib:/lib
-  fi
-  )
-  aix_libpath=$_LT_TAGVAR(lt_cv_aix_libpath_, $1)
-fi
-)# _LT_SYS_MODULE_PATH_AIX
-
-
-# _LT_SHELL_INIT(ARG)
-# -------------------
-m4_define(_LT_SHELL_INIT,
-m4_divert_text(M4SH-INIT, $1
-))# _LT_SHELL_INIT
-
-
-
-# _LT_PROG_ECHO_BACKSLASH
-# -----------------------
-# Find how we can fake an echo command that does not interpret backslash.
-# In particular, with Autoconf 2.60 or later we add some code to the start
-# of the generated configure script that will find a shell with a builtin
-# printf (that we can use as an echo command).
-m4_defun(_LT_PROG_ECHO_BACKSLASH,
-ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
-
-AC_MSG_CHECKING(how to print strings)
-# Test print first, because it will be a builtin if present.
-if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
-   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
-  ECHO='print -r --'
-elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
-  ECHO='printf %s\n'
-else
-  # Use this function as a fallback that always works.
-  func_fallback_echo ()
-  {
-    eval 'cat <<_LTECHO_EOF
-$1
-_LTECHO_EOF'
-  }
-  ECHO='func_fallback_echo'
-fi
-
-# func_echo_all arg...
-# Invoke $ECHO with all args, space-separated.
-func_echo_all ()
-{
-    $ECHO "$*"
-}
-
-case $ECHO in
-  printf*) AC_MSG_RESULT(printf) ;;
-  print*) AC_MSG_RESULT(print -r) ;;
-  *) AC_MSG_RESULT(cat) ;;
-esac
-
-m4_ifdef(_AS_DETECT_SUGGESTED,
-_AS_DETECT_SUGGESTED(
-  test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || (
-    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
-    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
-    PATH=/empty FPATH=/empty; export PATH FPATH
-    test "X`printf %s $ECHO`" = "X$ECHO" \
-      || test "X`print -r -- $ECHO`" = "X$ECHO" )))
-
-_LT_DECL(, SHELL, 1, Shell to use when invoking shell scripts)
-_LT_DECL(, ECHO, 1, An echo program that protects backslashes)
-)# _LT_PROG_ECHO_BACKSLASH
-
-
-# _LT_WITH_SYSROOT
-# ----------------
-AC_DEFUN(_LT_WITH_SYSROOT,
-AC_MSG_CHECKING(for sysroot)
-AC_ARG_WITH(sysroot,
-AS_HELP_STRING(--with-sysroot@<:@=DIR@:>@,
-  Search for dependent libraries within DIR (or the compiler's sysroot
-   if not specified).),
-, with_sysroot=no)
-
-dnl lt_sysroot will always be passed unquoted.  We quote it here
-dnl in case the user passed a directory name.
-lt_sysroot=
-case $with_sysroot in #(
- yes)
-   if test yes = "$GCC"; then
-     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
-   fi
-   ;; #(
- /*)
-   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
-   ;; #(
- no|'')
-   ;; #(
- *)
-   AC_MSG_RESULT($with_sysroot)
-   AC_MSG_ERROR(The sysroot must be an absolute path.)
-   ;;
-esac
-
- AC_MSG_RESULT(${lt_sysroot:-no})
-_LT_DECL(, lt_sysroot, 0, The root where to search for dnl
-dependent libraries, and where our libraries should be installed.))
-
-# _LT_ENABLE_LOCK
-# ---------------
-m4_defun(_LT_ENABLE_LOCK,
-AC_ARG_ENABLE(libtool-lock,
-  AS_HELP_STRING(--disable-libtool-lock,
-    avoid locking (might break parallel builds)))
-test no = "$enable_libtool_lock" || enable_libtool_lock=yes
-
-# Some flags need to be propagated to the compiler or linker for good
-# libtool support.
-case $host in
-ia64-*-hpux*)
-  # Find out what ABI is being produced by ac_compile, and set mode
-  # options accordingly.
-  echo 'int i;' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.$ac_objext` in
-      *ELF-32*)
-	HPUX_IA64_MODE=32
-	;;
-      *ELF-64*)
-	HPUX_IA64_MODE=64
-	;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-*-*-irix6*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    if test yes = "$lt_cv_prog_gnu_ld"; then
-      case `/usr/bin/file conftest.$ac_objext` in
-	*32-bit*)
-	  LD="${LD-ld} -melf32bsmip"
-	  ;;
-	*N32*)
-	  LD="${LD-ld} -melf32bmipn32"
-	  ;;
-	*64-bit*)
-	  LD="${LD-ld} -melf64bmip"
-	;;
-      esac
-    else
-      case `/usr/bin/file conftest.$ac_objext` in
-	*32-bit*)
-	  LD="${LD-ld} -32"
-	  ;;
-	*N32*)
-	  LD="${LD-ld} -n32"
-	  ;;
-	*64-bit*)
-	  LD="${LD-ld} -64"
-	  ;;
-      esac
-    fi
-  fi
-  rm -rf conftest*
-  ;;
-
-mips64*-*linux*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    emul=elf
-    case `/usr/bin/file conftest.$ac_objext` in
-      *32-bit*)
-	emul="${emul}32"
-	;;
-      *64-bit*)
-	emul="${emul}64"
-	;;
-    esac
-    case `/usr/bin/file conftest.$ac_objext` in
-      *MSB*)
-	emul="${emul}btsmip"
-	;;
-      *LSB*)
-	emul="${emul}ltsmip"
-	;;
-    esac
-    case `/usr/bin/file conftest.$ac_objext` in
-      *N32*)
-	emul="${emul}n32"
-	;;
-    esac
-    LD="${LD-ld} -m $emul"
-  fi
-  rm -rf conftest*
-  ;;
-
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
-s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.  Note that the listed cases only cover the
-  # situations where additional linker options are needed (such as when
-  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
-  # vice versa); the common cases where no linker options are needed do
-  # not appear in the list.
-  echo 'int i;' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.o` in
-      *32-bit*)
-	case $host in
-	  x86_64-*kfreebsd*-gnu)
-	    LD="${LD-ld} -m elf_i386_fbsd"
-	    ;;
-	  x86_64-*linux*)
-	    case `/usr/bin/file conftest.o` in
-	      *x86-64*)
-		LD="${LD-ld} -m elf32_x86_64"
-		;;
-	      *)
-		LD="${LD-ld} -m elf_i386"
-		;;
-	    esac
-	    ;;
-	  powerpc64le-*linux*)
-	    LD="${LD-ld} -m elf32lppclinux"
-	    ;;
-	  powerpc64-*linux*)
-	    LD="${LD-ld} -m elf32ppclinux"
-	    ;;
-	  s390x-*linux*)
-	    LD="${LD-ld} -m elf_s390"
-	    ;;
-	  sparc64-*linux*)
-	    LD="${LD-ld} -m elf32_sparc"
-	    ;;
-	esac
-	;;
-      *64-bit*)
-	case $host in
-	  x86_64-*kfreebsd*-gnu)
-	    LD="${LD-ld} -m elf_x86_64_fbsd"
-	    ;;
-	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_x86_64"
-	    ;;
-	  powerpcle-*linux*)
-	    LD="${LD-ld} -m elf64lppc"
-	    ;;
-	  powerpc-*linux*)
-	    LD="${LD-ld} -m elf64ppc"
-	    ;;
-	  s390*-*linux*|s390*-*tpf*)
-	    LD="${LD-ld} -m elf64_s390"
-	    ;;
-	  sparc*-*linux*)
-	    LD="${LD-ld} -m elf64_sparc"
-	    ;;
-	esac
-	;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-
-*-*-sco3.2v5*)
-  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
-  SAVE_CFLAGS=$CFLAGS
-  CFLAGS="$CFLAGS -belf"
-  AC_CACHE_CHECK(whether the C compiler needs -belf, lt_cv_cc_needs_belf,
-    AC_LANG_PUSH(C)
-     AC_LINK_IFELSE(AC_LANG_PROGRAM(,),lt_cv_cc_needs_belf=yes,lt_cv_cc_needs_belf=no)
-     AC_LANG_POP)
-  if test yes != "$lt_cv_cc_needs_belf"; then
-    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
-    CFLAGS=$SAVE_CFLAGS
-  fi
-  ;;
-*-*solaris*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo 'int i;' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.o` in
-    *64-bit*)
-      case $lt_cv_prog_gnu_ld in
-      yes*)
-        case $host in
-        i?86-*-solaris*|x86_64-*-solaris*)
-          LD="${LD-ld} -m elf_x86_64"
-          ;;
-        sparc*-*-solaris*)
-          LD="${LD-ld} -m elf64_sparc"
-          ;;
-        esac
-        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
-        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
-          LD=${LD-ld}_sol2
-        fi
-        ;;
-      *)
-	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
-	  LD="${LD-ld} -64"
-	fi
-	;;
-      esac
-      ;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-esac
-
-need_locks=$enable_libtool_lock
-)# _LT_ENABLE_LOCK
-
-
-# _LT_PROG_AR
-# -----------
-m4_defun(_LT_PROG_AR,
-AC_CHECK_TOOLS(AR, ar, false)
-: ${AR=ar}
-: ${AR_FLAGS=cru}
-_LT_DECL(, AR, 1, The archiver)
-_LT_DECL(, AR_FLAGS, 1, Flags to create an archive)
-
-AC_CACHE_CHECK(for archiver @FILE support, lt_cv_ar_at_file,
-  lt_cv_ar_at_file=no
-   AC_COMPILE_IFELSE(AC_LANG_PROGRAM,
-     echo conftest.$ac_objext > conftest.lst
-      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD'
-      AC_TRY_EVAL(lt_ar_try)
-      if test 0 -eq "$ac_status"; then
-	# Ensure the archiver fails upon bogus file names.
-	rm -f conftest.$ac_objext libconftest.a
-	AC_TRY_EVAL(lt_ar_try)
-	if test 0 -ne "$ac_status"; then
-          lt_cv_ar_at_file=@
-        fi
-      fi
-      rm -f conftest.* libconftest.a
-     )
-  )
-
-if test no = "$lt_cv_ar_at_file"; then
-  archiver_list_spec=
-else
-  archiver_list_spec=$lt_cv_ar_at_file
-fi
-_LT_DECL(, archiver_list_spec, 1,
-  How to feed a file listing to the archiver)
-)# _LT_PROG_AR
-
-
-# _LT_CMD_OLD_ARCHIVE
-# -------------------
-m4_defun(_LT_CMD_OLD_ARCHIVE,
-_LT_PROG_AR
-
-AC_CHECK_TOOL(STRIP, strip, :)
-test -z "$STRIP" && STRIP=:
-_LT_DECL(, STRIP, 1, A symbol stripping program)
-
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-test -z "$RANLIB" && RANLIB=:
-_LT_DECL(, RANLIB, 1,
-    Commands used to install an old-style archive)
-
-# Determine commands to create old-style static archives.
-old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
-old_postinstall_cmds='chmod 644 $oldlib'
-old_postuninstall_cmds=
-
-if test -n "$RANLIB"; then
-  case $host_os in
-  bitrig* | openbsd*)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
-    ;;
-  *)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
-    ;;
-  esac
-  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
-fi
-
-case $host_os in
-  darwin*)
-    lock_old_archive_extraction=yes ;;
-  *)
-    lock_old_archive_extraction=no ;;
-esac
-_LT_DECL(, old_postinstall_cmds, 2)
-_LT_DECL(, old_postuninstall_cmds, 2)
-_LT_TAGDECL(, old_archive_cmds, 2,
-    Commands used to build an old-style archive)
-_LT_DECL(, lock_old_archive_extraction, 0,
-    Whether to use a lock for old archive extraction)
-)# _LT_CMD_OLD_ARCHIVE
-
-
-# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
-#		OUTPUT-FILE, ACTION-SUCCESS, ACTION-FAILURE)
-# ----------------------------------------------------------------
-# Check whether the given compiler option works
-AC_DEFUN(_LT_COMPILER_OPTION,
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-m4_require(_LT_DECL_SED)dnl
-AC_CACHE_CHECK($1, $2,
-  $2=no
-   m4_if($4, , ac_outfile=conftest.$ac_objext, ac_outfile=$4)
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-   lt_compiler_flag="$3"  ## exclude from sc_useless_quotes_in_assignment
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   # The option is referenced via a variable to avoid confusing sed.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
-   (eval "$lt_compile" 2>conftest.err)
-   ac_status=$?
-   cat conftest.err >&AS_MESSAGE_LOG_FD
-   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
-   if (exit $ac_status) && test -s "$ac_outfile"; then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings other than the usual output.
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
-     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
-       $2=yes
-     fi
-   fi
-   $RM conftest*
-)
-
-if test yes = "$$2"; then
-    m4_if($5, , :, $5)
-else
-    m4_if($6, , :, $6)
-fi
-)# _LT_COMPILER_OPTION
-
-# Old name:
-AU_ALIAS(AC_LIBTOOL_COMPILER_OPTION, _LT_COMPILER_OPTION)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_COMPILER_OPTION, )
-
-
-# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
-#                  ACTION-SUCCESS, ACTION-FAILURE)
-# ----------------------------------------------------
-# Check whether the given linker option works
-AC_DEFUN(_LT_LINKER_OPTION,
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-m4_require(_LT_DECL_SED)dnl
-AC_CACHE_CHECK($1, $2,
-  $2=no
-   save_LDFLAGS=$LDFLAGS
-   LDFLAGS="$LDFLAGS $3"
-   echo "$lt_simple_link_test_code" > conftest.$ac_ext
-   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
-     # The linker can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     if test -s conftest.err; then
-       # Append any errors to the config.log.
-       cat conftest.err 1>&AS_MESSAGE_LOG_FD
-       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
-       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-       if diff conftest.exp conftest.er2 >/dev/null; then
-         $2=yes
-       fi
-     else
-       $2=yes
-     fi
-   fi
-   $RM -r conftest*
-   LDFLAGS=$save_LDFLAGS
-)
-
-if test yes = "$$2"; then
-    m4_if($4, , :, $4)
-else
-    m4_if($5, , :, $5)
-fi
-)# _LT_LINKER_OPTION
-
-# Old name:
-AU_ALIAS(AC_LIBTOOL_LINKER_OPTION, _LT_LINKER_OPTION)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_LINKER_OPTION, )
-
-
-# LT_CMD_MAX_LEN
-#---------------
-AC_DEFUN(LT_CMD_MAX_LEN,
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-# find the maximum length of command line arguments
-AC_MSG_CHECKING(the maximum length of command line arguments)
-AC_CACHE_VAL(lt_cv_sys_max_cmd_len, dnl
-  i=0
-  teststring=ABCD
-
-  case $build_os in
-  msdosdjgpp*)
-    # On DJGPP, this test can blow up pretty badly due to problems in libc
-    # (any single argument exceeding 2000 bytes causes a buffer overrun
-    # during glob expansion).  Even if it were fixed, the result of this
-    # check would be larger than it should be.
-    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
-    ;;
-
-  gnu*)
-    # Under GNU Hurd, this test is not required because there is
-    # no limit to the length of command line arguments.
-    # Libtool will interpret -1 as no limit whatsoever
-    lt_cv_sys_max_cmd_len=-1;
-    ;;
-
-  cygwin* | mingw* | cegcc*)
-    # On Win9x/ME, this test blows up -- it succeeds, but takes
-    # about 5 minutes as the teststring grows exponentially.
-    # Worse, since 9x/ME are not pre-emptively multitasking,
-    # you end up with a "frozen" computer, even though with patience
-    # the test eventually succeeds (with a max line length of 256k).
-    # Instead, let's just punt: use the minimum linelength reported by
-    # all of the supported platforms: 8192 (on NT/2K/XP).
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
-
-  mint*)
-    # On MiNT this can take a long time and run out of memory.
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
-
-  amigaos*)
-    # On AmigaOS with pdksh, this test takes hours, literally.
-    # So we just punt and use a minimum line length of 8192.
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
-
-  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
-    # This has been around since 386BSD, at least.  Likely further.
-    if test -x /sbin/sysctl; then
-      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
-    elif test -x /usr/sbin/sysctl; then
-      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
-    else
-      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
-    fi
-    # And add a safety zone
-    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
-    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
-    ;;
-
-  interix*)
-    # We know the value 262144 and hardcode it with a safety zone (like BSD)
-    lt_cv_sys_max_cmd_len=196608
-    ;;
-
-  os2*)
-    # The test takes a long time on OS/2.
-    lt_cv_sys_max_cmd_len=8192
-    ;;
-
-  osf*)
-    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
-    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
-    # nice to cause kernel panics so lets avoid the loop below.
-    # First set a reasonable default.
-    lt_cv_sys_max_cmd_len=16384
-    #
-    if test -x /sbin/sysconfig; then
-      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
-        *1*) lt_cv_sys_max_cmd_len=-1 ;;
-      esac
-    fi
-    ;;
-  sco3.2v5*)
-    lt_cv_sys_max_cmd_len=102400
-    ;;
-  sysv5* | sco5v6* | sysv4.2uw2*)
-    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
-    if test -n "$kargmax"; then
-      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*	 //'`
-    else
-      lt_cv_sys_max_cmd_len=32768
-    fi
-    ;;
-  *)
-    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
-    if test -n "$lt_cv_sys_max_cmd_len" && \
-       test undefined != "$lt_cv_sys_max_cmd_len"; then
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
-    else
-      # Make teststring a little bigger before we do anything with it.
-      # a 1K string should be a reasonable start.
-      for i in 1 2 3 4 5 6 7 8; do
-        teststring=$teststring$teststring
-      done
-      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
-      # If test is not a shell built-in, we'll probably end up computing a
-      # maximum length that is only half of the actual maximum length, but
-      # we can't tell.
-      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
-	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
-	      test 17 != "$i" # 1/2 MB should be enough
-      do
-        i=`expr $i + 1`
-        teststring=$teststring$teststring
-      done
-      # Only check the string length outside the loop.
-      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
-      teststring=
-      # Add a significant safety factor because C++ compilers can tack on
-      # massive amounts of additional arguments before passing them to the
-      # linker.  It appears as though 1/2 is a usable value.
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
-    fi
-    ;;
-  esac
-)
-if test -n "$lt_cv_sys_max_cmd_len"; then
-  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
-else
-  AC_MSG_RESULT(none)
-fi
-max_cmd_len=$lt_cv_sys_max_cmd_len
-_LT_DECL(, max_cmd_len, 0,
-    What is the maximum length of a command?)
-)# LT_CMD_MAX_LEN
-
-# Old name:
-AU_ALIAS(AC_LIBTOOL_SYS_MAX_CMD_LEN, LT_CMD_MAX_LEN)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_SYS_MAX_CMD_LEN, )
-
-
-# _LT_HEADER_DLFCN
-# ----------------
-m4_defun(_LT_HEADER_DLFCN,
-AC_CHECK_HEADERS(dlfcn.h, , , AC_INCLUDES_DEFAULT)dnl
-)# _LT_HEADER_DLFCN
-
-
-# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
-#                      ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
-# ----------------------------------------------------------------
-m4_defun(_LT_TRY_DLOPEN_SELF,
-m4_require(_LT_HEADER_DLFCN)dnl
-if test yes = "$cross_compiling"; then :
-  $4
-else
-  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
-  lt_status=$lt_dlunknown
-  cat > conftest.$ac_ext <<_LT_EOF
-#line $LINENO "configure"
-#include "confdefs.h"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef RTLD_GLOBAL
-#  define LT_DLGLOBAL		RTLD_GLOBAL
-#else
-#  ifdef DL_GLOBAL
-#    define LT_DLGLOBAL		DL_GLOBAL
-#  else
-#    define LT_DLGLOBAL		0
-#  endif
-#endif
-
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
-   find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-#  ifdef RTLD_LAZY
-#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
-#  else
-#    ifdef DL_LAZY
-#      define LT_DLLAZY_OR_NOW		DL_LAZY
-#    else
-#      ifdef RTLD_NOW
-#        define LT_DLLAZY_OR_NOW	RTLD_NOW
-#      else
-#        ifdef DL_NOW
-#          define LT_DLLAZY_OR_NOW	DL_NOW
-#        else
-#          define LT_DLLAZY_OR_NOW	0
-#        endif
-#      endif
-#    endif
-#  endif
-#endif
-
-/* When -fvisibility=hidden is used, assume the code has been annotated
-   correspondingly for the symbols needed.  */
-#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
-int fnord () __attribute__((visibility("default")));
-#endif
-
-int fnord () { return 42; }
-int main ()
-{
-  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
-  int status = $lt_dlunknown;
-
-  if (self)
-    {
-      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
-      else
-        {
-	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
-          else puts (dlerror ());
-	}
-      /* dlclose (self); */
-    }
-  else
-    puts (dlerror ());
-
-  return status;
-}
-_LT_EOF
-  if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then
-    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
-    lt_status=$?
-    case x$lt_status in
-      x$lt_dlno_uscore) $1 ;;
-      x$lt_dlneed_uscore) $2 ;;
-      x$lt_dlunknown|x*) $3 ;;
-    esac
-  else :
-    # compilation failed
-    $3
-  fi
-fi
-rm -fr conftest*
-)# _LT_TRY_DLOPEN_SELF
-
-
-# LT_SYS_DLOPEN_SELF
-# ------------------
-AC_DEFUN(LT_SYS_DLOPEN_SELF,
-m4_require(_LT_HEADER_DLFCN)dnl
-if test yes != "$enable_dlopen"; then
-  enable_dlopen=unknown
-  enable_dlopen_self=unknown
-  enable_dlopen_self_static=unknown
-else
-  lt_cv_dlopen=no
-  lt_cv_dlopen_libs=
-
-  case $host_os in
-  beos*)
-    lt_cv_dlopen=load_add_on
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=yes
-    ;;
-
-  mingw* | pw32* | cegcc*)
-    lt_cv_dlopen=LoadLibrary
-    lt_cv_dlopen_libs=
-    ;;
-
-  cygwin*)
-    lt_cv_dlopen=dlopen
-    lt_cv_dlopen_libs=
-    ;;
-
-  darwin*)
-    # if libdl is installed we need to link against it
-    AC_CHECK_LIB(dl, dlopen,
-		lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl,
-    lt_cv_dlopen=dyld
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=yes
-    )
-    ;;
-
-  tpf*)
-    # Don't try to run any link tests for TPF.  We know it's impossible
-    # because TPF is a cross-compiler, and we know how we open DSOs.
-    lt_cv_dlopen=dlopen
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=no
-    ;;
-
-  *)
-    AC_CHECK_FUNC(shl_load,
-	  lt_cv_dlopen=shl_load,
-      AC_CHECK_LIB(dld, shl_load,
-	    lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld,
-	AC_CHECK_FUNC(dlopen,
-	      lt_cv_dlopen=dlopen,
-	  AC_CHECK_LIB(dl, dlopen,
-		lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl,
-	    AC_CHECK_LIB(svld, dlopen,
-		  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld,
-	      AC_CHECK_LIB(dld, dld_link,
-		    lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld)
-	      )
-	    )
-	  )
-	)
-      )
-    ;;
-  esac
-
-  if test no = "$lt_cv_dlopen"; then
-    enable_dlopen=no
-  else
-    enable_dlopen=yes
-  fi
-
-  case $lt_cv_dlopen in
-  dlopen)
-    save_CPPFLAGS=$CPPFLAGS
-    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
-
-    save_LDFLAGS=$LDFLAGS
-    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
-
-    save_LIBS=$LIBS
-    LIBS="$lt_cv_dlopen_libs $LIBS"
-
-    AC_CACHE_CHECK(whether a program can dlopen itself,
-	  lt_cv_dlopen_self, dnl
-	  _LT_TRY_DLOPEN_SELF(
-	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
-	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
-    )
-
-    if test yes = "$lt_cv_dlopen_self"; then
-      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
-      AC_CACHE_CHECK(whether a statically linked program can dlopen itself,
-	  lt_cv_dlopen_self_static, dnl
-	  _LT_TRY_DLOPEN_SELF(
-	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
-	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
-      )
-    fi
-
-    CPPFLAGS=$save_CPPFLAGS
-    LDFLAGS=$save_LDFLAGS
-    LIBS=$save_LIBS
-    ;;
-  esac
-
-  case $lt_cv_dlopen_self in
-  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
-  *) enable_dlopen_self=unknown ;;
-  esac
-
-  case $lt_cv_dlopen_self_static in
-  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
-  *) enable_dlopen_self_static=unknown ;;
-  esac
-fi
-_LT_DECL(dlopen_support, enable_dlopen, 0,
-	 Whether dlopen is supported)
-_LT_DECL(dlopen_self, enable_dlopen_self, 0,
-	 Whether dlopen of programs is supported)
-_LT_DECL(dlopen_self_static, enable_dlopen_self_static, 0,
-	 Whether dlopen of statically linked programs is supported)
-)# LT_SYS_DLOPEN_SELF
-
-# Old name:
-AU_ALIAS(AC_LIBTOOL_DLOPEN_SELF, LT_SYS_DLOPEN_SELF)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_DLOPEN_SELF, )
-
-
-# _LT_COMPILER_C_O(TAGNAME)
-# ---------------------------
-# Check to see if options -c and -o are simultaneously supported by compiler.
-# This macro does not hard code the compiler like AC_PROG_CC_C_O.
-m4_defun(_LT_COMPILER_C_O,
-m4_require(_LT_DECL_SED)dnl
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-m4_require(_LT_TAG_COMPILER)dnl
-AC_CACHE_CHECK(if $compiler supports -c -o file.$ac_objext,
-  _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1),
-  _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
-   $RM -r conftest 2>/dev/null
-   mkdir conftest
-   cd conftest
-   mkdir out
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-   lt_compiler_flag="-o out/conftest2.$ac_objext"
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: ^ *conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
-   (eval "$lt_compile" 2>out/conftest.err)
-   ac_status=$?
-   cat out/conftest.err >&AS_MESSAGE_LOG_FD
-   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
-   if (exit $ac_status) && test -s out/conftest2.$ac_objext
-   then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
-     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
-     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
-       _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
-     fi
-   fi
-   chmod u+w . 2>&AS_MESSAGE_LOG_FD
-   $RM conftest*
-   # SGI C++ compiler will create directory out/ii_files/ for
-   # template instantiation
-   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
-   $RM out/* && rmdir out
-   cd ..
-   $RM -r conftest
-   $RM conftest*
-)
-_LT_TAGDECL(compiler_c_o, lt_cv_prog_compiler_c_o, 1,
-	Does compiler simultaneously support -c and -o options?)
-)# _LT_COMPILER_C_O
-
-
-# _LT_COMPILER_FILE_LOCKS(TAGNAME)
-# ----------------------------------
-# Check to see if we can do hard links to lock some files if needed
-m4_defun(_LT_COMPILER_FILE_LOCKS,
-m4_require(_LT_ENABLE_LOCK)dnl
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-_LT_COMPILER_C_O($1)
-
-hard_links=nottested
-if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then
-  # do not overwrite the value of need_locks provided by the user
-  AC_MSG_CHECKING(if we can lock with hard links)
-  hard_links=yes
-  $RM conftest*
-  ln conftest.a conftest.b 2>/dev/null && hard_links=no
-  touch conftest.a
-  ln conftest.a conftest.b 2>&5 || hard_links=no
-  ln conftest.a conftest.b 2>/dev/null && hard_links=no
-  AC_MSG_RESULT($hard_links)
-  if test no = "$hard_links"; then
-    AC_MSG_WARN('$CC' does not support '-c -o', so 'make -j' may be unsafe)
-    need_locks=warn
-  fi
-else
-  need_locks=no
-fi
-_LT_DECL(, need_locks, 1, Must we lock files when doing compilation?)
-)# _LT_COMPILER_FILE_LOCKS
-
-
-# _LT_CHECK_OBJDIR
-# ----------------
-m4_defun(_LT_CHECK_OBJDIR,
-AC_CACHE_CHECK(for objdir, lt_cv_objdir,
-rm -f .libs 2>/dev/null
-mkdir .libs 2>/dev/null
-if test -d .libs; then
-  lt_cv_objdir=.libs
-else
-  # MS-DOS does not allow filenames that begin with a dot.
-  lt_cv_objdir=_libs
-fi
-rmdir .libs 2>/dev/null)
-objdir=$lt_cv_objdir
-_LT_DECL(, objdir, 0,
-         The name of the directory that contains temporary libtool files)dnl
-m4_pattern_allow(LT_OBJDIR)dnl
-AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/",
-  Define to the sub-directory where libtool stores uninstalled libraries.)
-)# _LT_CHECK_OBJDIR
-
-
-# _LT_LINKER_HARDCODE_LIBPATH(TAGNAME)
-# --------------------------------------
-# Check hardcoding attributes.
-m4_defun(_LT_LINKER_HARDCODE_LIBPATH,
-AC_MSG_CHECKING(how to hardcode library paths into programs)
-_LT_TAGVAR(hardcode_action, $1)=
-if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
-   test -n "$_LT_TAGVAR(runpath_var, $1)" ||
-   test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then
-
-  # We can hardcode non-existent directories.
-  if test no != "$_LT_TAGVAR(hardcode_direct, $1)" &&
-     # If the only mechanism to avoid hardcoding is shlibpath_var, we
-     # have to relink, otherwise we might link with an installed library
-     # when we should be linking with a yet-to-be-installed one
-     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" &&
-     test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then
-    # Linking always hardcodes the temporary library directory.
-    _LT_TAGVAR(hardcode_action, $1)=relink
-  else
-    # We can link without hardcoding, and we can hardcode nonexisting dirs.
-    _LT_TAGVAR(hardcode_action, $1)=immediate
-  fi
-else
-  # We cannot hardcode anything, or else we can only hardcode existing
-  # directories.
-  _LT_TAGVAR(hardcode_action, $1)=unsupported
-fi
-AC_MSG_RESULT($_LT_TAGVAR(hardcode_action, $1))
-
-if test relink = "$_LT_TAGVAR(hardcode_action, $1)" ||
-   test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then
-  # Fast installation is not supported
-  enable_fast_install=no
-elif test yes = "$shlibpath_overrides_runpath" ||
-     test no = "$enable_shared"; then
-  # Fast installation is not necessary
-  enable_fast_install=needless
-fi
-_LT_TAGDECL(, hardcode_action, 0,
-    How to hardcode a shared library path into an executable)
-)# _LT_LINKER_HARDCODE_LIBPATH
-
-
-# _LT_CMD_STRIPLIB
-# ----------------
-m4_defun(_LT_CMD_STRIPLIB,
-m4_require(_LT_DECL_EGREP)
-striplib=
-old_striplib=
-AC_MSG_CHECKING(whether stripping libraries is possible)
-if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
-  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
-  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
-  AC_MSG_RESULT(yes)
-else
-# FIXME - insert some real tests, host_os isn't really good enough
-  case $host_os in
-  darwin*)
-    if test -n "$STRIP"; then
-      striplib="$STRIP -x"
-      old_striplib="$STRIP -S"
-      AC_MSG_RESULT(yes)
-    else
-      AC_MSG_RESULT(no)
-    fi
-    ;;
-  *)
-    AC_MSG_RESULT(no)
-    ;;
-  esac
-fi
-_LT_DECL(, old_striplib, 1, Commands to strip libraries)
-_LT_DECL(, striplib, 1)
-)# _LT_CMD_STRIPLIB
-
-
-# _LT_PREPARE_MUNGE_PATH_LIST
-# ---------------------------
-# Make sure func_munge_path_list() is defined correctly.
-m4_defun(_LT_PREPARE_MUNGE_PATH_LIST,
-# func_munge_path_list VARIABLE PATH
-# -----------------------------------
-# VARIABLE is name of variable containing _space_ separated list of
-# directories to be munged by the contents of PATH, which is string
-# having a format:
-# "DIR:DIR:"
-#       string "DIR DIR" will be prepended to VARIABLE
-# ":DIR:DIR"
-#       string "DIR DIR" will be appended to VARIABLE
-# "DIRP:DIRP::DIRA:DIRA"
-#       string "DIRP DIRP" will be prepended to VARIABLE and string
-#       "DIRA DIRA" will be appended to VARIABLE
-# "DIR:DIR"
-#       VARIABLE will be replaced by "DIR DIR"
-func_munge_path_list ()
-{
-    case x@S|@2 in
-    x)
-        ;;
-    *:)
-        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\"
-        ;;
-    x:*)
-        eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\"
-        ;;
-    *::*)
-        eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
-        eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\"
-        ;;
-    *)
-        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\"
-        ;;
-    esac
-}
-)# _LT_PREPARE_PATH_LIST
-
-
-# _LT_SYS_DYNAMIC_LINKER(TAG)
-# -----------------------------
-# PORTME Fill in your ld.so characteristics
-m4_defun(_LT_SYS_DYNAMIC_LINKER,
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-m4_require(_LT_DECL_EGREP)dnl
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-m4_require(_LT_DECL_OBJDUMP)dnl
-m4_require(_LT_DECL_SED)dnl
-m4_require(_LT_CHECK_SHELL_FEATURES)dnl
-m4_require(_LT_PREPARE_MUNGE_PATH_LIST)dnl
-AC_MSG_CHECKING(dynamic linker characteristics)
-m4_if($1,
-	, 
-if test yes = "$GCC"; then
-  case $host_os in
-    darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
-    *) lt_awk_arg='/^libraries:/' ;;
-  esac
-  case $host_os in
-    mingw* | cegcc*) lt_sed_strip_eq='s|=$A-Za-z:$|\1|g' ;;
-    *) lt_sed_strip_eq='s|=/|/|g' ;;
-  esac
-  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
-  case $lt_search_path_spec in
-  *\;*)
-    # if the path contains ";" then we assume it to be the separator
-    # otherwise default to the standard path separator (i.e. ":") - it is
-    # assumed that no part of a normal pathname contains ";" but that should
-    # okay in the real world where ";" in dirpaths is itself problematic.
-    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
-    ;;
-  *)
-    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
-    ;;
-  esac
-  # Ok, now we have the path, separated by spaces, we can step through it
-  # and add multilib dir if necessary...
-  lt_tmp_lt_search_path_spec=
-  lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
-  # ...but if some path component already ends with the multilib dir we assume
-  # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
-  case "$lt_multi_os_dir; $lt_search_path_spec " in
-  "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
-    lt_multi_os_dir=
-    ;;
-  esac
-  for lt_sys_path in $lt_search_path_spec; do
-    if test -d "$lt_sys_path$lt_multi_os_dir"; then
-      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
-    elif test -n "$lt_multi_os_dir"; then
-      test -d "$lt_sys_path" && \
-	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
-    fi
-  done
-  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
-BEGIN {RS = " "; FS = "/|\n";} {
-  lt_foo = "";
-  lt_count = 0;
-  for (lt_i = NF; lt_i > 0; lt_i--) {
-    if ($lt_i != "" && $lt_i != ".") {
-      if ($lt_i == "..") {
-        lt_count++;
-      } else {
-        if (lt_count == 0) {
-          lt_foo = "/" $lt_i lt_foo;
-        } else {
-          lt_count--;
-        }
-      }
-    }
-  }
-  if (lt_foo != "") { lt_freqlt_foo++; }
-  if (lt_freqlt_foo == 1) { print lt_foo; }
-}'`
-  # AWK program above erroneously prepends '/' to C:/dos/paths
-  # for these hosts.
-  case $host_os in
-    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
-      $SED 's|/$A-Za-z:$|\1|g'` ;;
-  esac
-  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
-else
-  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-fi)
-library_names_spec=
-libname_spec='lib$name'
-soname_spec=
-shrext_cmds=.so
-postinstall_cmds=
-postuninstall_cmds=
-finish_cmds=
-finish_eval=
-shlibpath_var=
-shlibpath_overrides_runpath=unknown
-version_type=none
-dynamic_linker="$host_os ld.so"
-sys_lib_dlsearch_path_spec="/lib /usr/lib"
-need_lib_prefix=unknown
-hardcode_into_libs=no
-
-# when you set need_version to no, make sure it does not cause -set_version
-# flags to be left without arguments
-need_version=unknown
-
-AC_ARG_VAR(LT_SYS_LIBRARY_PATH,
-User-defined run-time library search path.)
-
-case $host_os in
-aix3*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
-  shlibpath_var=LIBPATH
-
-  # AIX 3 has no versioning support, so we append a major version to the name.
-  soname_spec='$libname$release$shared_ext$major'
-  ;;
-
-aix4-9*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  hardcode_into_libs=yes
-  if test ia64 = "$host_cpu"; then
-    # AIX 5 supports IA64
-    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
-    shlibpath_var=LD_LIBRARY_PATH
-  else
-    # With GCC up to 2.95.x, collect2 would create an import file
-    # for dependence libraries.  The import file would start with
-    # the line '#! .'.  This would cause the generated library to
-    # depend on '.', always an invalid library.  This was fixed in
-    # development snapshots of GCC prior to 3.0.
-    case $host_os in
-      aix4 | aix4.01 | aix4.01.*)
-      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
-	   echo ' yes '
-	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
-	:
-      else
-	can_build_shared=no
-      fi
-      ;;
-    esac
-    # Using Import Files as archive members, it is possible to support
-    # filename-based versioning of shared library archives on AIX. While
-    # this would work for both with and without runtime linking, it will
-    # prevent static linking of such archives. So we do filename-based
-    # shared library versioning with .so extension only, which is used
-    # when both runtime linking and shared linking is enabled.
-    # Unfortunately, runtime linking may impact performance, so we do
-    # not want this to be the default eventually. Also, we use the
-    # versioned .so libs for executables only if there is the -brtl
-    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
-    # To allow for filename-based versioning support, we need to create
-    # libNAME.so.V as an archive file, containing:
-    # *) an Import File, referring to the versioned filename of the
-    #    archive as well as the shared archive member, telling the
-    #    bitwidth (32 or 64) of that shared object, and providing the
-    #    list of exported symbols of that shared object, eventually
-    #    decorated with the 'weak' keyword
-    # *) the shared object with the F_LOADONLY flag set, to really avoid
-    #    it being seen by the linker.
-    # At run time we better use the real file rather than another symlink,
-    # but for link time we create the symlink libNAME.so -> libNAME.so.V
-
-    case $with_aix_soname,$aix_use_runtimelinking in
-    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
-    # soname into executable. Probably we can add versioning support to
-    # collect2, so additional links can be useful in future.
-    aix,yes) # traditional libtool
-      dynamic_linker='AIX unversionable lib.so'
-      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
-      # instead of lib<name>.a to let people know that these are not
-      # typical AIX shared libraries.
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-      ;;
-    aix,no) # traditional AIX only
-      dynamic_linker='AIX lib.a(lib.so.V)'
-      # We preserve .a as extension for shared libraries through AIX4.2
-      # and later when we are not doing run time linking.
-      library_names_spec='$libname$release.a $libname.a'
-      soname_spec='$libname$release$shared_ext$major'
-      ;;
-    svr4,*) # full svr4 only
-      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
-      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
-      # We do not specify a path in Import Files, so LIBPATH fires.
-      shlibpath_overrides_runpath=yes
-      ;;
-    *,yes) # both, prefer svr4
-      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
-      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
-      # unpreferred sharedlib libNAME.a needs extra handling
-      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
-      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
-      # We do not specify a path in Import Files, so LIBPATH fires.
-      shlibpath_overrides_runpath=yes
-      ;;
-    *,no) # both, prefer aix
-      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
-      library_names_spec='$libname$release.a $libname.a'
-      soname_spec='$libname$release$shared_ext$major'
-      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
-      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
-      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
-      ;;
-    esac
-    shlibpath_var=LIBPATH
-  fi
-  ;;
-
-amigaos*)
-  case $host_cpu in
-  powerpc)
-    # Since July 2007 AmigaOS4 officially supports .so libraries.
-    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    ;;
-  m68k)
-    library_names_spec='$libname.ixlibrary $libname.a'
-    # Create ${libname}_ixlibrary.a entries in /sys/libs.
-    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/$^/*$\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
-    ;;
-  esac
-  ;;
-
-beos*)
-  library_names_spec='$libname$shared_ext'
-  dynamic_linker="$host_os ld.so"
-  shlibpath_var=LIBRARY_PATH
-  ;;
-
-bsdi45*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
-  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
-  # the default ld.so.conf also contains /usr/contrib/lib and
-  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
-  # libtool to hard-code these into programs
-  ;;
-
-cygwin* | mingw* | pw32* | cegcc*)
-  version_type=windows
-  shrext_cmds=.dll
-  need_version=no
-  need_lib_prefix=no
-
-  case $GCC,$cc_basename in
-  yes,*)
-    # gcc
-    library_names_spec='$libname.dll.a'
-    # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \$file`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
-      dldir=$destdir/`dirname \$dlpath`~
-      test -d \$dldir || mkdir -p \$dldir~
-      $install_prog $dir/$dlname \$dldir/$dlname~
-      chmod a+x \$dldir/$dlname~
-      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
-        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
-      fi'
-    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
-      dlpath=$dir/\$dldll~
-       $RM \$dlpath'
-    shlibpath_overrides_runpath=yes
-
-    case $host_os in
-    cygwin*)
-      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
-      soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-m4_if($1, ,
-      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api")
-      ;;
-    mingw* | cegcc*)
-      # MinGW DLLs use traditional 'lib' prefix
-      soname_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-      ;;
-    pw32*)
-      # pw32 DLLs use 'pw' prefix rather than 'lib'
-      library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-      ;;
-    esac
-    dynamic_linker='Win32 ld.exe'
-    ;;
-
-  *,cl*)
-    # Native MSVC
-    libname_spec='$name'
-    soname_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext'
-    library_names_spec='$libname.dll.lib'
-
-    case $build_os in
-    mingw*)
-      sys_lib_search_path_spec=
-      lt_save_ifs=$IFS
-      IFS=';'
-      for lt_path in $LIB
-      do
-        IFS=$lt_save_ifs
-        # Let DOS variable expansion print the short 8.3 style file name.
-        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
-        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
-      done
-      IFS=$lt_save_ifs
-      # Convert to MSYS style.
-      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \$a-zA-Z\$:| /\\1|g' -e 's|^ ||'`
-      ;;
-    cygwin*)
-      # Convert to unix form, then to dos form, then back to unix form
-      # but this time dos style (no spaces!) so that the unix form looks
-      # like /cygdrive/c/PROGRA~1:/cygdr...
-      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
-      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
-      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
-      ;;
-    *)
-      sys_lib_search_path_spec=$LIB
-      if $ECHO "$sys_lib_search_path_spec" | $GREP ';c-zC-Z:/' >/dev/null; then
-        # It is most probably a Windows format PATH.
-        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
-      else
-        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
-      fi
-      # FIXME: find the short name or the path components, as spaces are
-      # common. (e.g. "Program Files" -> "PROGRA~1")
-      ;;
-    esac
-
-    # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \$file`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
-      dldir=$destdir/`dirname \$dlpath`~
-      test -d \$dldir || mkdir -p \$dldir~
-      $install_prog $dir/$dlname \$dldir/$dlname'
-    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
-      dlpath=$dir/\$dldll~
-       $RM \$dlpath'
-    shlibpath_overrides_runpath=yes
-    dynamic_linker='Win32 link.exe'
-    ;;
-
-  *)
-    # Assume MSVC wrapper
-    library_names_spec='$libname`echo $release | $SED -e 's/./-/g'`$versuffix$shared_ext $libname.lib'
-    dynamic_linker='Win32 ld.exe'
-    ;;
-  esac
-  # FIXME: first we should search . and the directory the executable is in
-  shlibpath_var=PATH
-  ;;
-
-darwin* | rhapsody*)
-  dynamic_linker="$host_os dyld"
-  version_type=darwin
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
-  soname_spec='$libname$release$major$shared_ext'
-  shlibpath_overrides_runpath=yes
-  shlibpath_var=DYLD_LIBRARY_PATH
-  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
-m4_if($1, ,
-  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib")
-  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
-  ;;
-
-dgux*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  ;;
-
-freebsd* | dragonfly*)
-  # DragonFly does not have aout.  When/if they implement a new
-  # versioning mechanism, adjust this.
-  if test -x /usr/bin/objformat; then
-    objformat=`/usr/bin/objformat`
-  else
-    case $host_os in
-    freebsd23.*) objformat=aout ;;
-    *) objformat=elf ;;
-    esac
-  fi
-  version_type=freebsd-$objformat
-  case $version_type in
-    freebsd-elf*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-      soname_spec='$libname$release$shared_ext$major'
-      need_version=no
-      need_lib_prefix=no
-      ;;
-    freebsd-*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-      need_version=yes
-      ;;
-  esac
-  shlibpath_var=LD_LIBRARY_PATH
-  case $host_os in
-  freebsd2.*)
-    shlibpath_overrides_runpath=yes
-    ;;
-  freebsd3.01* | freebsdelf3.01*)
-    shlibpath_overrides_runpath=yes
-    hardcode_into_libs=yes
-    ;;
-  freebsd3.2-9* | freebsdelf3.2-9* | \
-  freebsd4.0-5 | freebsdelf4.0-5 | freebsd4.1.1 | freebsdelf4.1.1)
-    shlibpath_overrides_runpath=no
-    hardcode_into_libs=yes
-    ;;
-  *) # from 4.6 on, and DragonFly
-    shlibpath_overrides_runpath=yes
-    hardcode_into_libs=yes
-    ;;
-  esac
-  ;;
-
-haiku*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  dynamic_linker="$host_os runtime_loader"
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
-  hardcode_into_libs=yes
-  ;;
-
-hpux9* | hpux10* | hpux11*)
-  # Give a soname corresponding to the major version so that dld.sl refuses to
-  # link against other versions.
-  version_type=sunos
-  need_lib_prefix=no
-  need_version=no
-  case $host_cpu in
-  ia64*)
-    shrext_cmds='.so'
-    hardcode_into_libs=yes
-    dynamic_linker="$host_os dld.so"
-    shlibpath_var=LD_LIBRARY_PATH
-    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    if test 32 = "$HPUX_IA64_MODE"; then
-      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
-      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
-    else
-      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
-      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
-    fi
-    ;;
-  hppa*64*)
-    shrext_cmds='.sl'
-    hardcode_into_libs=yes
-    dynamic_linker="$host_os dld.sl"
-    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
-    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-    ;;
-  *)
-    shrext_cmds='.sl'
-    dynamic_linker="$host_os dld.sl"
-    shlibpath_var=SHLIB_PATH
-    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    ;;
-  esac
-  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
-  postinstall_cmds='chmod 555 $lib'
-  # or fails outright, so override atomically:
-  install_override_mode=555
-  ;;
-
-interix3-9*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  ;;
-
-irix5* | irix6* | nonstopux*)
-  case $host_os in
-    nonstopux*) version_type=nonstopux ;;
-    *)
-	if test yes = "$lt_cv_prog_gnu_ld"; then
-		version_type=linux # correct to gnu/linux during the next big refactor
-	else
-		version_type=irix
-	fi ;;
-  esac
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='$libname$release$shared_ext$major'
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
-  case $host_os in
-  irix5* | nonstopux*)
-    libsuff= shlibsuff=
-    ;;
-  *)
-    case $LD in # libtool.m4 will add one of these switches to LD
-    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
-      libsuff= shlibsuff= libmagic=32-bit;;
-    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
-      libsuff=32 shlibsuff=N32 libmagic=N32;;
-    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
-      libsuff=64 shlibsuff=64 libmagic=64-bit;;
-    *) libsuff= shlibsuff= libmagic=never-match;;
-    esac
-    ;;
-  esac
-  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
-  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
-  hardcode_into_libs=yes
-  ;;
-
-# No shared lib support for Linux oldld, aout, or coff.
-linux*oldld* | linux*aout* | linux*coff*)
-  dynamic_linker=no
-  ;;
-
-linux*android*)
-  version_type=none # Android doesn't support versioned libraries.
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext'
-  soname_spec='$libname$release$shared_ext'
-  finish_cmds=
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-
-  # This implies no fast_install, which is unacceptable.
-  # Some rework will be needed to allow for fast_install
-  # before this can be enabled.
-  hardcode_into_libs=yes
-
-  dynamic_linker='Android linker'
-  # Don't embed -rpath directories since the linker doesn't support them.
-  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-  ;;
-
-# This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-
-  # Some binutils ld are patched to set DT_RUNPATH
-  AC_CACHE_VAL(lt_cv_shlibpath_overrides_runpath,
-    lt_cv_shlibpath_overrides_runpath=no
-    save_LDFLAGS=$LDFLAGS
-    save_libdir=$libdir
-    eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
-	 LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
-    AC_LINK_IFELSE(AC_LANG_PROGRAM(,),
-      AS_IF( ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null,
-	 lt_cv_shlibpath_overrides_runpath=yes))
-    LDFLAGS=$save_LDFLAGS
-    libdir=$save_libdir
-    )
-  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
-
-  # This implies no fast_install, which is unacceptable.
-  # Some rework will be needed to allow for fast_install
-  # before this can be enabled.
-  hardcode_into_libs=yes
-
-  # Ideally, we could use ldconfig to report *all* directores which are
-  # searched for libraries, however this is still not possible.  Aside from not
-  # being certain /sbin/ldconfig is available, command
-  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
-  # even though it is searched at run-time.  Try to do the best guess by
-  # appending ld.so.conf contents (and includes) to the search path.
-  if test -f /etc/ld.so.conf; then
-    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^	 *hwcap	 /d;s/:,	/ /g;s/=^=*$//;s/=^= * / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
-  fi
-
-  # We used to test for /lib/ld.so.1 and disable shared libraries on
-  # powerpc, because MkLinux only supported shared libraries with the
-  # GNU dynamic linker.  Since this was broken with cross compilers,
-  # most powerpc-linux boxes support dynamic linking these days and
-  # people can always --disable-shared, the test was removed, and we
-  # assume the GNU/Linux dynamic linker is in use.
-  dynamic_linker='GNU/Linux ld.so'
-  ;;
-
-netbsdelf*-gnu)
-  version_type=linux
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  dynamic_linker='NetBSD ld.elf_so'
-  ;;
-
-netbsd*)
-  version_type=sunos
-  need_lib_prefix=no
-  need_version=no
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
-    dynamic_linker='NetBSD (a.out) ld.so'
-  else
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    soname_spec='$libname$release$shared_ext$major'
-    dynamic_linker='NetBSD ld.elf_so'
-  fi
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  ;;
-
-newsos6)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  ;;
-
-*nto* | *qnx*)
-  version_type=qnx
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  dynamic_linker='ldqnx.so'
-  ;;
-
-openbsd* | bitrig*)
-  version_type=sunos
-  sys_lib_dlsearch_path_spec=/usr/lib
-  need_lib_prefix=no
-  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
-    need_version=no
-  else
-    need_version=yes
-  fi
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  ;;
-
-os2*)
-  libname_spec='$name'
-  version_type=windows
-  shrext_cmds=.dll
-  need_version=no
-  need_lib_prefix=no
-  # OS/2 can only load a DLL with a base name of 8 characters or less.
-  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
-    v=$($ECHO $release$versuffix | tr -d .-);
-    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
-    $ECHO $n$v`$shared_ext'
-  library_names_spec='${libname}_dll.$libext'
-  dynamic_linker='OS/2 ld.exe'
-  shlibpath_var=BEGINLIBPATH
-  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-  postinstall_cmds='base_file=`basename \$file`~
-    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
-    dldir=$destdir/`dirname \$dlpath`~
-    test -d \$dldir || mkdir -p \$dldir~
-    $install_prog $dir/$dlname \$dldir/$dlname~
-    chmod a+x \$dldir/$dlname~
-    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
-      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
-    fi'
-  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
-    dlpath=$dir/\$dldll~
-    $RM \$dlpath'
-  ;;
-
-osf3* | osf4* | osf5*)
-  version_type=osf
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='$libname$release$shared_ext$major'
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
-  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-  ;;
-
-rdos*)
-  dynamic_linker=no
-  ;;
-
-solaris*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  # ldd complains unless libraries are executable
-  postinstall_cmds='chmod +x $lib'
-  ;;
-
-sunos4*)
-  version_type=sunos
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
-  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  if test yes = "$with_gnu_ld"; then
-    need_lib_prefix=no
-  fi
-  need_version=yes
-  ;;
-
-sysv4 | sysv4.3*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  case $host_vendor in
-    sni)
-      shlibpath_overrides_runpath=no
-      need_lib_prefix=no
-      runpath_var=LD_RUN_PATH
-      ;;
-    siemens)
-      need_lib_prefix=no
-      ;;
-    motorola)
-      need_lib_prefix=no
-      need_version=no
-      shlibpath_overrides_runpath=no
-      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
-      ;;
-  esac
-  ;;
-
-sysv4*MP*)
-  if test -d /usr/nec; then
-    version_type=linux # correct to gnu/linux during the next big refactor
-    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
-    soname_spec='$libname$shared_ext.$major'
-    shlibpath_var=LD_LIBRARY_PATH
-  fi
-  ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  version_type=sco
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
-  hardcode_into_libs=yes
-  if test yes = "$with_gnu_ld"; then
-    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
-  else
-    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
-    case $host_os in
-      sco3.2v5*)
-        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
-	;;
-    esac
-  fi
-  sys_lib_dlsearch_path_spec='/usr/lib'
-  ;;
-
-tpf*)
-  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  ;;
-
-uts4*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-  soname_spec='$libname$release$shared_ext$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  ;;
-
-*)
-  dynamic_linker=no
-  ;;
-esac
-AC_MSG_RESULT($dynamic_linker)
-test no = "$dynamic_linker" && can_build_shared=no
-
-variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
-if test yes = "$GCC"; then
-  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
-fi
-
-if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
-  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
-fi
-
-if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
-  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
-fi
-
-# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
-configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
-
-# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
-func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
-
-# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
-configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
-
-_LT_DECL(, variables_saved_for_relink, 1,
-    Variables whose values should be saved in libtool wrapper scripts and
-    restored at link time)
-_LT_DECL(, need_lib_prefix, 0,
-    Do we need the "lib" prefix for modules?)
-_LT_DECL(, need_version, 0, Do we need a version for libraries?)
-_LT_DECL(, version_type, 0, Library versioning type)
-_LT_DECL(, runpath_var, 0,  Shared library runtime path variable)
-_LT_DECL(, shlibpath_var, 0,Shared library path variable)
-_LT_DECL(, shlibpath_overrides_runpath, 0,
-    Is shlibpath searched before the hard-coded library search path?)
-_LT_DECL(, libname_spec, 1, Format of library name prefix)
-_LT_DECL(, library_names_spec, 1,
-    List of archive names.  First name is the real one, the rest are links.
-    The last name is the one that the linker finds with -lNAME)
-_LT_DECL(, soname_spec, 1,
-    The coded name of the library, if different from the real name)
-_LT_DECL(, install_override_mode, 1,
-    Permission mode override for installation of shared libraries)
-_LT_DECL(, postinstall_cmds, 2,
-    Command to use after installation of a shared archive)
-_LT_DECL(, postuninstall_cmds, 2,
-    Command to use after uninstallation of a shared archive)
-_LT_DECL(, finish_cmds, 2,
-    Commands used to finish a libtool library installation in a directory)
-_LT_DECL(, finish_eval, 1,
-    As "finish_cmds", except a single script fragment to be evaled but
-    not shown)
-_LT_DECL(, hardcode_into_libs, 0,
-    Whether we should hardcode library paths into libraries)
-_LT_DECL(, sys_lib_search_path_spec, 2,
-    Compile-time system search path for libraries)
-_LT_DECL(sys_lib_dlsearch_path_spec, configure_time_dlsearch_path, 2,
-    Detected run-time system search path for libraries)
-_LT_DECL(, configure_time_lt_sys_library_path, 2,
-    Explicit LT_SYS_LIBRARY_PATH set during ./configure time)
-)# _LT_SYS_DYNAMIC_LINKER
-
-
-# _LT_PATH_TOOL_PREFIX(TOOL)
-# --------------------------
-# find a file program that can recognize shared library
-AC_DEFUN(_LT_PATH_TOOL_PREFIX,
-m4_require(_LT_DECL_EGREP)dnl
-AC_MSG_CHECKING(for $1)
-AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
-case $MAGIC_CMD in
-\\/* |  ?:\\/*)
-  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
-  ;;
-*)
-  lt_save_MAGIC_CMD=$MAGIC_CMD
-  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
-dnl $ac_dummy forces splitting on constant user-supplied paths.
-dnl POSIX.2 word splitting is done only on the output of word expansions,
-dnl not every word.  This closes a longstanding sh security hole.
-  ac_dummy="m4_if($2, , $PATH, $2)"
-  for ac_dir in $ac_dummy; do
-    IFS=$lt_save_ifs
-    test -z "$ac_dir" && ac_dir=.
-    if test -f "$ac_dir/$1"; then
-      lt_cv_path_MAGIC_CMD=$ac_dir/"$1"
-      if test -n "$file_magic_test_file"; then
-	case $deplibs_check_method in
-	"file_magic "*)
-	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic $.*$"`
-	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
-	    $EGREP "$file_magic_regex" > /dev/null; then
-	    :
-	  else
-	    cat <<_LT_EOF 1>&2
-
-*** Warning: the command libtool uses to detect shared libraries,
-*** $file_magic_cmd, produces output that libtool cannot recognize.
-*** The result is that libtool may fail to recognize shared libraries
-*** as such.  This will affect the creation of libtool libraries that
-*** depend on shared libraries, but programs linked with such libtool
-*** libraries will work regardless of this problem.  Nevertheless, you
-*** may want to report the problem to your system manager and/or to
-*** bug-libtool@gnu.org
-
-_LT_EOF
-	  fi ;;
-	esac
-      fi
-      break
-    fi
-  done
-  IFS=$lt_save_ifs
-  MAGIC_CMD=$lt_save_MAGIC_CMD
-  ;;
-esac)
-MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-if test -n "$MAGIC_CMD"; then
-  AC_MSG_RESULT($MAGIC_CMD)
-else
-  AC_MSG_RESULT(no)
-fi
-_LT_DECL(, MAGIC_CMD, 0,
-	 Used to examine libraries when file_magic_cmd begins with "file")dnl
-)# _LT_PATH_TOOL_PREFIX
-
-# Old name:
-AU_ALIAS(AC_PATH_TOOL_PREFIX, _LT_PATH_TOOL_PREFIX)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_PATH_TOOL_PREFIX, )
-
-
-# _LT_PATH_MAGIC
-# --------------
-# find a file program that can recognize a shared library
-m4_defun(_LT_PATH_MAGIC,
-_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
-if test -z "$lt_cv_path_MAGIC_CMD"; then
-  if test -n "$ac_tool_prefix"; then
-    _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
-  else
-    MAGIC_CMD=:
-  fi
-fi
-)# _LT_PATH_MAGIC
-
-
-# LT_PATH_LD
-# ----------
-# find the pathname to the GNU or non-GNU linker
-AC_DEFUN(LT_PATH_LD,
-AC_REQUIRE(AC_PROG_CC)dnl
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-AC_REQUIRE(AC_CANONICAL_BUILD)dnl
-m4_require(_LT_DECL_SED)dnl
-m4_require(_LT_DECL_EGREP)dnl
-m4_require(_LT_PROG_ECHO_BACKSLASH)dnl
-
-AC_ARG_WITH(gnu-ld,
-    AS_HELP_STRING(--with-gnu-ld,
-	assume the C compiler uses GNU ld @<:@default=no@:>@),
-    test no = "$withval" || with_gnu_ld=yes,
-    with_gnu_ld=no)dnl
-
-ac_prog=ld
-if test yes = "$GCC"; then
-  # Check if gcc -print-prog-name=ld gives a path.
-  AC_MSG_CHECKING(for ld used by $CC)
-  case $host in
-  *-*-mingw*)
-    # gcc leaves a trailing carriage return, which upsets mingw
-    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
-  *)
-    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
-  esac
-  case $ac_prog in
-    # Accept absolute paths.
-    \\/* | ?:\\/*)
-      re_direlt='/^/^/*/\.\./'
-      # Canonicalize the pathname of ld
-      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
-      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
-	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
-      done
-      test -z "$LD" && LD=$ac_prog
-      ;;
-  "")
-    # If it fails, then pretend we aren't using GCC.
-    ac_prog=ld
-    ;;
-  *)
-    # If it is relative, then search for the first ld in PATH.
-    with_gnu_ld=unknown
-    ;;
-  esac
-elif test yes = "$with_gnu_ld"; then
-  AC_MSG_CHECKING(for GNU ld)
-else
-  AC_MSG_CHECKING(for non-GNU ld)
-fi
-AC_CACHE_VAL(lt_cv_path_LD,
-if test -z "$LD"; then
-  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
-  for ac_dir in $PATH; do
-    IFS=$lt_save_ifs
-    test -z "$ac_dir" && ac_dir=.
-    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
-      lt_cv_path_LD=$ac_dir/$ac_prog
-      # Check to see if the program is GNU ld.  I'd rather use --version,
-      # but apparently some variants of GNU ld only accept -v.
-      # Break only if it was the GNU/non-GNU ld that we prefer.
-      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
-      *GNU* | *'with BFD'*)
-	test no != "$with_gnu_ld" && break
-	;;
-      *)
-	test yes != "$with_gnu_ld" && break
-	;;
-      esac
-    fi
-  done
-  IFS=$lt_save_ifs
-else
-  lt_cv_path_LD=$LD # Let the user override the test with a path.
-fi)
-LD=$lt_cv_path_LD
-if test -n "$LD"; then
-  AC_MSG_RESULT($LD)
-else
-  AC_MSG_RESULT(no)
-fi
-test -z "$LD" && AC_MSG_ERROR(no acceptable ld found in \$PATH)
-_LT_PATH_LD_GNU
-AC_SUBST(LD)
-
-_LT_TAGDECL(, LD, 1, The linker used to build libraries)
-)# LT_PATH_LD
-
-# Old names:
-AU_ALIAS(AM_PROG_LD, LT_PATH_LD)
-AU_ALIAS(AC_PROG_LD, LT_PATH_LD)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AM_PROG_LD, )
-dnl AC_DEFUN(AC_PROG_LD, )
-
-
-# _LT_PATH_LD_GNU
-#- --------------
-m4_defun(_LT_PATH_LD_GNU,
-AC_CACHE_CHECK(if the linker ($LD) is GNU ld, lt_cv_prog_gnu_ld,
-# I'd rather use --version here, but apparently some GNU lds only accept -v.
-case `$LD -v 2>&1 </dev/null` in
-*GNU* | *'with BFD'*)
-  lt_cv_prog_gnu_ld=yes
-  ;;
-*)
-  lt_cv_prog_gnu_ld=no
-  ;;
-esac)
-with_gnu_ld=$lt_cv_prog_gnu_ld
-)# _LT_PATH_LD_GNU
-
-
-# _LT_CMD_RELOAD
-# --------------
-# find reload flag for linker
-#   -- PORTME Some linkers may need a different reload flag.
-m4_defun(_LT_CMD_RELOAD,
-AC_CACHE_CHECK(for $LD option to reload object files,
-  lt_cv_ld_reload_flag,
-  lt_cv_ld_reload_flag='-r')
-reload_flag=$lt_cv_ld_reload_flag
-case $reload_flag in
-"" | " "*) ;;
-*) reload_flag=" $reload_flag" ;;
-esac
-reload_cmds='$LD$reload_flag -o $output$reload_objs'
-case $host_os in
-  cygwin* | mingw* | pw32* | cegcc*)
-    if test yes != "$GCC"; then
-      reload_cmds=false
-    fi
-    ;;
-  darwin*)
-    if test yes = "$GCC"; then
-      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
-    else
-      reload_cmds='$LD$reload_flag -o $output$reload_objs'
-    fi
-    ;;
-esac
-_LT_TAGDECL(, reload_flag, 1, How to create reloadable object files)dnl
-_LT_TAGDECL(, reload_cmds, 2)dnl
-)# _LT_CMD_RELOAD
-
-
-# _LT_PATH_DD
-# -----------
-# find a working dd
-m4_defun(_LT_PATH_DD,
-AC_CACHE_CHECK(for a working dd, ac_cv_path_lt_DD,
-printf 0123456789abcdef0123456789abcdef >conftest.i
-cat conftest.i conftest.i >conftest2.i
-: ${lt_DD:=$DD}
-AC_PATH_PROGS_FEATURE_CHECK(lt_DD, dd,
-if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
-  cmp -s conftest.i conftest.out \
-  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
-fi)
-rm -f conftest.i conftest2.i conftest.out)
-)# _LT_PATH_DD
-
-
-# _LT_CMD_TRUNCATE
-# ----------------
-# find command to truncate a binary pipe
-m4_defun(_LT_CMD_TRUNCATE,
-m4_require(_LT_PATH_DD)
-AC_CACHE_CHECK(how to truncate binary pipes, lt_cv_truncate_bin,
-printf 0123456789abcdef0123456789abcdef >conftest.i
-cat conftest.i conftest.i >conftest2.i
-lt_cv_truncate_bin=
-if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
-  cmp -s conftest.i conftest.out \
-  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
-fi
-rm -f conftest.i conftest2.i conftest.out
-test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q")
-_LT_DECL(lt_truncate_bin, lt_cv_truncate_bin, 1,
-  Command to truncate a binary pipe)
-)# _LT_CMD_TRUNCATE
-
-
-# _LT_CHECK_MAGIC_METHOD
-# ----------------------
-# how to check for library dependencies
-#  -- PORTME fill in with the dynamic library characteristics
-m4_defun(_LT_CHECK_MAGIC_METHOD,
-m4_require(_LT_DECL_EGREP)
-m4_require(_LT_DECL_OBJDUMP)
-AC_CACHE_CHECK(how to recognize dependent libraries,
-lt_cv_deplibs_check_method,
-lt_cv_file_magic_cmd='$MAGIC_CMD'
-lt_cv_file_magic_test_file=
-lt_cv_deplibs_check_method='unknown'
-# Need to set the preceding variable on all platforms that support
-# interlibrary dependencies.
-# 'none' -- dependencies not supported.
-# 'unknown' -- same as none, but documents that we really don't know.
-# 'pass_all' -- all dependencies passed with no checks.
-# 'test_compile' -- check by making test program.
-# 'file_magic regex' -- check by looking for files in library path
-# that responds to the $file_magic_cmd with a given extended regex.
-# If you have 'file' or equivalent on your system and you're not sure
-# whether 'pass_all' will *always* work, you probably want this one.
-
-case $host_os in
-aix4-9*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-beos*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-bsdi45*)
-  lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit MLSB (shared object|dynamic lib)'
-  lt_cv_file_magic_cmd='/usr/bin/file -L'
-  lt_cv_file_magic_test_file=/shlib/libc.so
-  ;;
-
-cygwin*)
-  # func_win32_libid is a shell function defined in ltmain.sh
-  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
-  lt_cv_file_magic_cmd='func_win32_libid'
-  ;;
-
-mingw* | pw32*)
-  # Base MSYS/MinGW do not provide the 'file' command needed by
-  # func_win32_libid shell function, so use a weaker test based on 'objdump',
-  # unless we find 'file', for example because we are cross-compiling.
-  if ( file / ) >/dev/null 2>&1; then
-    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
-    lt_cv_file_magic_cmd='func_win32_libid'
-  else
-    # Keep this pattern in sync with the one in func_win32_libid.
-    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
-    lt_cv_file_magic_cmd='$OBJDUMP -f'
-  fi
-  ;;
-
-cegcc*)
-  # use the weaker test based on 'objdump'. See mingw*.
-  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
-  lt_cv_file_magic_cmd='$OBJDUMP -f'
-  ;;
-
-darwin* | rhapsody*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-freebsd* | dragonfly*)
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
-    case $host_cpu in
-    i*86 )
-      # Not sure whether the presence of OpenBSD here was a mistake.
-      # Let's accept both of them until this is cleared up.
-      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i3-986 (compact )?demand paged shared library'
-      lt_cv_file_magic_cmd=/usr/bin/file
-      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
-      ;;
-    esac
-  else
-    lt_cv_deplibs_check_method=pass_all
-  fi
-  ;;
-
-haiku*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-hpux10.20* | hpux11*)
-  lt_cv_file_magic_cmd=/usr/bin/file
-  case $host_cpu in
-  ia64*)
-    lt_cv_deplibs_check_method='file_magic (s0-90-90-9|ELF-0-90-9) shared object file - IA64'
-    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
-    ;;
-  hppa*64*)
-    lt_cv_deplibs_check_method='file_magic (s0-90-90-9|ELF -0-90-9)(-bit)?( LMSB)? shared object( file)?, -* PA-RISC 0-9\.0-9'
-    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
-    ;;
-  *)
-    lt_cv_deplibs_check_method='file_magic (s0-90-90-9|PA-RISC0-9\.0-9) shared library'
-    lt_cv_file_magic_test_file=/usr/lib/libc.sl
-    ;;
-  esac
-  ;;
-
-interix3-9*)
-  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
-  lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so|\.a)$'
-  ;;
-
-irix5* | irix6* | nonstopux*)
-  case $LD in
-  *-32|*"-32 ") libmagic=32-bit;;
-  *-n32|*"-n32 ") libmagic=N32;;
-  *-64|*"-64 ") libmagic=64-bit;;
-  *) libmagic=never-match;;
-  esac
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-# This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-netbsd* | netbsdelf*-gnu)
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so\.0-9+\.0-9+|_pic\.a)$'
-  else
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so|_pic\.a)$'
-  fi
-  ;;
-
-newos6*)
-  lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit MLSB (executable|dynamic lib)'
-  lt_cv_file_magic_cmd=/usr/bin/file
-  lt_cv_file_magic_test_file=/usr/lib/libnls.so
-  ;;
-
-*nto* | *qnx*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-openbsd* | bitrig*)
-  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so\.0-9+\.0-9+|\.so|_pic\.a)$'
-  else
-    lt_cv_deplibs_check_method='match_pattern /lib^/+(\.so\.0-9+\.0-9+|_pic\.a)$'
-  fi
-  ;;
-
-osf3* | osf4* | osf5*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-rdos*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-solaris*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
-sysv4 | sysv4.3*)
-  case $host_vendor in
-  motorola)
-    lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit MLSB (shared object|dynamic lib) M0-90-9* Version 0-9'
-    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
-    ;;
-  ncr)
-    lt_cv_deplibs_check_method=pass_all
-    ;;
-  sequent)
-    lt_cv_file_magic_cmd='/bin/file'
-    lt_cv_deplibs_check_method='file_magic ELF 0-90-9*-bit LMSB (shared object|dynamic lib )'
-    ;;
-  sni)
-    lt_cv_file_magic_cmd='/bin/file'
-    lt_cv_deplibs_check_method="file_magic ELF 0-90-9*-bit LMSB dynamic lib"
-    lt_cv_file_magic_test_file=/lib/libc.so
-    ;;
-  siemens)
-    lt_cv_deplibs_check_method=pass_all
-    ;;
-  pc)
-    lt_cv_deplibs_check_method=pass_all
-    ;;
-  esac
-  ;;
-
-tpf*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-os2*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-esac
-)
-
-file_magic_glob=
-want_nocaseglob=no
-if test "$build" = "$host"; then
-  case $host_os in
-  mingw* | pw32*)
-    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
-      want_nocaseglob=yes
-    else
-      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/$..$/s\/\1\/\1\/g;/g"`
-    fi
-    ;;
-  esac
-fi
-
-file_magic_cmd=$lt_cv_file_magic_cmd
-deplibs_check_method=$lt_cv_deplibs_check_method
-test -z "$deplibs_check_method" && deplibs_check_method=unknown
-
-_LT_DECL(, deplibs_check_method, 1,
-    Method to check whether dependent libraries are shared objects)
-_LT_DECL(, file_magic_cmd, 1,
-    Command to use when deplibs_check_method = "file_magic")
-_LT_DECL(, file_magic_glob, 1,
-    How to find potential files when deplibs_check_method = "file_magic")
-_LT_DECL(, want_nocaseglob, 1,
-    Find potential files using nocaseglob when deplibs_check_method = "file_magic")
-)# _LT_CHECK_MAGIC_METHOD
-
-
-# LT_PATH_NM
-# ----------
-# find the pathname to a BSD- or MS-compatible name lister
-AC_DEFUN(LT_PATH_NM,
-AC_REQUIRE(AC_PROG_CC)dnl
-AC_CACHE_CHECK(for BSD- or MS-compatible name lister (nm), lt_cv_path_NM,
-if test -n "$NM"; then
-  # Let the user override the test.
-  lt_cv_path_NM=$NM
-else
-  lt_nm_to_check=${ac_tool_prefix}nm
-  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
-    lt_nm_to_check="$lt_nm_to_check nm"
-  fi
-  for lt_tmp_nm in $lt_nm_to_check; do
-    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
-    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
-      IFS=$lt_save_ifs
-      test -z "$ac_dir" && ac_dir=.
-      tmp_nm=$ac_dir/$lt_tmp_nm
-      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
-	# Check to see if the nm accepts a BSD-compat flag.
-	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
-	#   nm: unknown option "B" ignored
-	# Tru64's nm complains that /dev/null is an invalid object file
-	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
-	case $build_os in
-	mingw*) lt_bad_file=conftest.nm/nofile ;;
-	*) lt_bad_file=/dev/null ;;
-	esac
-	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
-	*$lt_bad_file* | *'Invalid file or object type'*)
-	  lt_cv_path_NM="$tmp_nm -B"
-	  break 2
-	  ;;
-	*)
-	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
-	  */dev/null*)
-	    lt_cv_path_NM="$tmp_nm -p"
-	    break 2
-	    ;;
-	  *)
-	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
-	    continue # so that we can try to find one that supports BSD flags
-	    ;;
-	  esac
-	  ;;
-	esac
-      fi
-    done
-    IFS=$lt_save_ifs
-  done
-  : ${lt_cv_path_NM=no}
-fi)
-if test no != "$lt_cv_path_NM"; then
-  NM=$lt_cv_path_NM
-else
-  # Didn't find any BSD compatible name lister, look for dumpbin.
-  if test -n "$DUMPBIN"; then :
-    # Let the user override the test.
-  else
-    AC_CHECK_TOOLS(DUMPBIN, dumpbin "link -dump", :)
-    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
-    *COFF*)
-      DUMPBIN="$DUMPBIN -symbols -headers"
-      ;;
-    *)
-      DUMPBIN=:
-      ;;
-    esac
-  fi
-  AC_SUBST(DUMPBIN)
-  if test : != "$DUMPBIN"; then
-    NM=$DUMPBIN
-  fi
-fi
-test -z "$NM" && NM=nm
-AC_SUBST(NM)
-_LT_DECL(, NM, 1, A BSD- or MS-compatible name lister)dnl
-
-AC_CACHE_CHECK(the name lister ($NM) interface, lt_cv_nm_interface,
-  lt_cv_nm_interface="BSD nm"
-  echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
-  (eval "$ac_compile" 2>conftest.err)
-  cat conftest.err >&AS_MESSAGE_LOG_FD
-  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
-  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
-  cat conftest.err >&AS_MESSAGE_LOG_FD
-  (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
-  cat conftest.out >&AS_MESSAGE_LOG_FD
-  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
-    lt_cv_nm_interface="MS dumpbin"
-  fi
-  rm -f conftest*)
-)# LT_PATH_NM
-
-# Old names:
-AU_ALIAS(AM_PROG_NM, LT_PATH_NM)
-AU_ALIAS(AC_PROG_NM, LT_PATH_NM)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AM_PROG_NM, )
-dnl AC_DEFUN(AC_PROG_NM, )
-
-# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
-# --------------------------------
-# how to determine the name of the shared library
-# associated with a specific link library.
-#  -- PORTME fill in with the dynamic library characteristics
-m4_defun(_LT_CHECK_SHAREDLIB_FROM_LINKLIB,
-m4_require(_LT_DECL_EGREP)
-m4_require(_LT_DECL_OBJDUMP)
-m4_require(_LT_DECL_DLLTOOL)
-AC_CACHE_CHECK(how to associate runtime and link libraries,
-lt_cv_sharedlib_from_linklib_cmd,
-lt_cv_sharedlib_from_linklib_cmd='unknown'
-
-case $host_os in
-cygwin* | mingw* | pw32* | cegcc*)
-  # two different shell functions defined in ltmain.sh;
-  # decide which one to use based on capabilities of $DLLTOOL
-  case `$DLLTOOL --help 2>&1` in
-  *--identify-strict*)
-    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
-    ;;
-  *)
-    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
-    ;;
-  esac
-  ;;
-*)
-  # fallback: assume linklib IS sharedlib
-  lt_cv_sharedlib_from_linklib_cmd=$ECHO
-  ;;
-esac
-)
-sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
-test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
-
-_LT_DECL(, sharedlib_from_linklib_cmd, 1,
-    Command to associate shared and link libraries)
-)# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
-
-
-# _LT_PATH_MANIFEST_TOOL
-# ----------------------
-# locate the manifest tool
-m4_defun(_LT_PATH_MANIFEST_TOOL,
-AC_CHECK_TOOL(MANIFEST_TOOL, mt, :)
-test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
-AC_CACHE_CHECK(if $MANIFEST_TOOL is a manifest tool, lt_cv_path_mainfest_tool,
-  lt_cv_path_mainfest_tool=no
-  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD
-  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
-  cat conftest.err >&AS_MESSAGE_LOG_FD
-  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
-    lt_cv_path_mainfest_tool=yes
-  fi
-  rm -f conftest*)
-if test yes != "$lt_cv_path_mainfest_tool"; then
-  MANIFEST_TOOL=:
-fi
-_LT_DECL(, MANIFEST_TOOL, 1, Manifest tool)dnl
-)# _LT_PATH_MANIFEST_TOOL
-
-
-# _LT_DLL_DEF_P(FILE)
-# ---------------------
-# True iff FILE is a Windows DLL '.def' file.
-# Keep in sync with func_dll_def_p in the libtool script
-AC_DEFUN(_LT_DLL_DEF_P,
-dnl
-  test DEF = "`$SED -n dnl
-    -e '\''s/^	 *//'\'' dnl Strip leading whitespace
-    -e '\''/^$;.*$*$/d'\'' dnl      Delete empty lines and comments
-    -e '\''s/^$EXPORTS\|LIBRARY$$	 .*$*$/DEF/p'\'' dnl
-    -e q dnl                          Only consider the first "real" line
-    $1`" dnl
-)# _LT_DLL_DEF_P
-
-
-# LT_LIB_M
-# --------
-# check for math library
-AC_DEFUN(LT_LIB_M,
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-LIBM=
-case $host in
-*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
-  # These system don't have libm, or don't need it
-  ;;
-*-ncr-sysv4.3*)
-  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw)
-  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
-  ;;
-*)
-  AC_CHECK_LIB(m, cos, LIBM=-lm)
-  ;;
-esac
-AC_SUBST(LIBM)
-)# LT_LIB_M
-
-# Old name:
-AU_ALIAS(AC_CHECK_LIBM, LT_LIB_M)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_CHECK_LIBM, )
-
-
-# _LT_COMPILER_NO_RTTI(TAGNAME)
-# -------------------------------
-m4_defun(_LT_COMPILER_NO_RTTI,
-m4_require(_LT_TAG_COMPILER)dnl
-
-_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
-
-if test yes = "$GCC"; then
-  case $cc_basename in
-  nvcc*)
-    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;;
-  *)
-    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;;
-  esac
-
-  _LT_COMPILER_OPTION(if $compiler supports -fno-rtti -fno-exceptions,
-    lt_cv_prog_compiler_rtti_exceptions,
-    -fno-rtti -fno-exceptions, ,
-    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions")
-fi
-_LT_TAGDECL(no_builtin_flag, lt_prog_compiler_no_builtin_flag, 1,
-	Compiler flag to turn off builtin functions)
-)# _LT_COMPILER_NO_RTTI
-
-
-# _LT_CMD_GLOBAL_SYMBOLS
-# ----------------------
-m4_defun(_LT_CMD_GLOBAL_SYMBOLS,
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-AC_REQUIRE(AC_PROG_CC)dnl
-AC_REQUIRE(AC_PROG_AWK)dnl
-AC_REQUIRE(LT_PATH_NM)dnl
-AC_REQUIRE(LT_PATH_LD)dnl
-m4_require(_LT_DECL_SED)dnl
-m4_require(_LT_DECL_EGREP)dnl
-m4_require(_LT_TAG_COMPILER)dnl
-
-# Check for command to grab the raw symbol name followed by C symbol from nm.
-AC_MSG_CHECKING(command to parse $NM output from $compiler object)
-AC_CACHE_VAL(lt_cv_sys_global_symbol_pipe,
-
-# These are sane defaults that work on at least a few old systems.
-# They come from Ultrix.  What could be older than Ultrix?!! ;)
-
-# Character class describing NM global symbol codes.
-symcode='BCDEGRST'
-
-# Regexp to match symbols that can be accessed directly from C.
-sympat='$_A-Za-z_A-Za-z0-9*$'
-
-# Define system-specific variables.
-case $host_os in
-aix*)
-  symcode='BCDT'
-  ;;
-cygwin* | mingw* | pw32* | cegcc*)
-  symcode='ABCDGISTW'
-  ;;
-hpux*)
-  if test ia64 = "$host_cpu"; then
-    symcode='ABCDEGRST'
-  fi
-  ;;
-irix* | nonstopux*)
-  symcode='BCDEGRST'
-  ;;
-osf*)
-  symcode='BCDEGQRST'
-  ;;
-solaris*)
-  symcode='BDRT'
-  ;;
-sco3.2v5*)
-  symcode='DT'
-  ;;
-sysv4.2uw2*)
-  symcode='DT'
-  ;;
-sysv5* | sco5v6* | unixware* | OpenUNIX*)
-  symcode='ABDT'
-  ;;
-sysv4)
-  symcode='DFNSTU'
-  ;;
-esac
-
-# If we're using GNU nm, then use its standard symbol codes.
-case `$NM -V 2>&1` in
-*GNU* | *'with BFD'*)
-  symcode='ABCDGIRSTW' ;;
-esac
-
-if test "$lt_cv_nm_interface" = "MS dumpbin"; then
-  # Gets list of data symbols to import.
-  lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* $.*$$/\1/p'"
-  # Adjust the below global symbol transforms to fixup imported variables.
-  lt_cdecl_hook=" -e 's/^I .* $.*$$/extern __declspec(dllimport) char \1;/p'"
-  lt_c_name_hook=" -e 's/^I .* $.*$$/  {\"\1\", (void *) 0},/p'"
-  lt_c_name_lib_hook="\
-  -e 's/^I .* $lib.*$$/  {\"\1\", (void *) 0},/p'\
-  -e 's/^I .* $.*$$/  {\"lib\1\", (void *) 0},/p'"
-else
-  # Disable hooks by default.
-  lt_cv_sys_global_symbol_to_import=
-  lt_cdecl_hook=
-  lt_c_name_hook=
-  lt_c_name_lib_hook=
-fi
-
-# Transform an extracted symbol line into a proper C declaration.
-# Some systems (esp. on ia64) link data and code symbols differently,
-# so use this general approach.
-lt_cv_sys_global_symbol_to_cdecl="sed -n"\
-$lt_cdecl_hook\
-" -e 's/^T .* $.*$$/extern int \1();/p'"\
-" -e 's/^$symcode$symcode* .* $.*$$/extern char \1;/p'"
-
-# Transform an extracted symbol line into symbol name and symbol address
-lt_cv_sys_global_symbol_to_c_name_address="sed -n"\
-$lt_c_name_hook\
-" -e 's/^: $.*$ .*$/  {\"\1\", (void *) 0},/p'"\
-" -e 's/^$symcode$symcode* .* $.*$$/  {\"\1\", (void *) \&\1},/p'"
-
-# Transform an extracted symbol line into symbol name with lib prefix and
-# symbol address.
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\
-$lt_c_name_lib_hook\
-" -e 's/^: $.*$ .*$/  {\"\1\", (void *) 0},/p'"\
-" -e 's/^$symcode$symcode* .* $lib.*$$/  {\"\1\", (void *) \&\1},/p'"\
-" -e 's/^$symcode$symcode* .* $.*$$/  {\"lib\1\", (void *) \&\1},/p'"
-
-# Handle CRLF in mingw tool chain
-opt_cr=
-case $build_os in
-mingw*)
-  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
-  ;;
-esac
-
-# Try without a prefix underscore, then with it.
-for ac_symprfx in "" "_"; do
-
-  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
-  symxfrm="\\1 $ac_symprfx\\2 \\2"
-
-  # Write the raw and C identifiers.
-  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
-    # Fake it for dumpbin and say T for any non-static function,
-    # D for any global variable and I for any imported variable.
-    # Also find C++ and __fastcall symbols from MSVC++,
-    # which start with @ or ?.
-    lt_cv_sys_global_symbol_pipe="$AWK '"\
-"     {last_section=section; section=\$ 3};"\
-"     /^COFF SYMBOL TABLE/{for(i in hide) delete hidei};"\
-"     /Section length .*#relocs.*(pick any)/{hidelast_section=1};"\
-"     /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn2,2)};"\
-"     /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
-"     /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
-"     \$ 0!~/External *\|/{next};"\
-"     / 0+ UNDEF /{next}; / UNDEF $^|$*()/{next};"\
-"     {if(hidesection) next};"\
-"     {f=\"D\"}; \$ 0~/.*\|/{f=\"T\"};"\
-"     {split(\$ 0,a,/\||\r/); split(a2,s)};"\
-"     s1~/^@?/{print f,s1,s1; next};"\
-"     s1~prfx {split(s1,t,\"@\"); print f,t1,substr(t1,length(prfx))}"\
-"     ' prfx=^$ac_symprfx"
-  else
-    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*	 $$symcode$symcode*$	 	 *$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
-  fi
-  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
-
-  # Check to see that the pipe works correctly.
-  pipe_works=no
-
-  rm -f conftest*
-  cat > conftest.$ac_ext <<_LT_EOF
-#ifdef __cplusplus
-extern "C" {
-#endif
-char nm_test_var;
-void nm_test_func(void);
-void nm_test_func(void){}
-#ifdef __cplusplus
-}
-#endif
-int main(){nm_test_var='a';nm_test_func();return(0);}
-_LT_EOF
-
-  if AC_TRY_EVAL(ac_compile); then
-    # Now try to grab the symbols.
-    nlist=conftest.nm
-    if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
-      # Try sorting and uniquifying the output.
-      if sort "$nlist" | uniq > "$nlist"T; then
-	mv -f "$nlist"T "$nlist"
-      else
-	rm -f "$nlist"T
-      fi
-
-      # Make sure that we snagged all the symbols we need.
-      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
-	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
-	  cat <<_LT_EOF > conftest.$ac_ext
-/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
-#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
-/* DATA imports from DLLs on WIN32 can't be const, because runtime
-   relocations are performed -- see ld's documentation on pseudo-relocs.  */
-# define LT@&t@_DLSYM_CONST
-#elif defined __osf__
-/* This system does not cope well with relocations in const data.  */
-# define LT@&t@_DLSYM_CONST
-#else
-# define LT@&t@_DLSYM_CONST const
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-_LT_EOF
-	  # Now generate the symbol file.
-	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
-
-	  cat <<_LT_EOF >> conftest.$ac_ext
-
-/* The mapping between symbol names and symbols.  */
-LT@&t@_DLSYM_CONST struct {
-  const char *name;
-  void       *address;
-}
-lt__PROGRAM__LTX_preloaded_symbols =
-{
-  { "@PROGRAM@", (void *) 0 },
-_LT_EOF
-	  $SED "s/^$symcode$symcode* .* $.*$$/  {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
-	  cat <<\_LT_EOF >> conftest.$ac_ext
-  {0, (void *) 0}
-};
-
-/* This works around a problem in FreeBSD linker */
-#ifdef FREEBSD_WORKAROUND
-static const void *lt_preloaded_setup() {
-  return lt__PROGRAM__LTX_preloaded_symbols;
-}
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-_LT_EOF
-	  # Now try linking the two files.
-	  mv conftest.$ac_objext conftstm.$ac_objext
-	  lt_globsym_save_LIBS=$LIBS
-	  lt_globsym_save_CFLAGS=$CFLAGS
-	  LIBS=conftstm.$ac_objext
-	  CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
-	  if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then
-	    pipe_works=yes
-	  fi
-	  LIBS=$lt_globsym_save_LIBS
-	  CFLAGS=$lt_globsym_save_CFLAGS
-	else
-	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
-	fi
-      else
-	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
-      fi
-    else
-      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
-    fi
-  else
-    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
-    cat conftest.$ac_ext >&5
-  fi
-  rm -rf conftest* conftst*
-
-  # Do not use the global_symbol_pipe unless it works.
-  if test yes = "$pipe_works"; then
-    break
-  else
-    lt_cv_sys_global_symbol_pipe=
-  fi
-done
-)
-if test -z "$lt_cv_sys_global_symbol_pipe"; then
-  lt_cv_sys_global_symbol_to_cdecl=
-fi
-if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
-  AC_MSG_RESULT(failed)
-else
-  AC_MSG_RESULT(ok)
-fi
-
-# Response file support.
-if test "$lt_cv_nm_interface" = "MS dumpbin"; then
-  nm_file_list_spec='@'
-elif $NM --help 2>/dev/null | grep '@FILE' >/dev/null; then
-  nm_file_list_spec='@'
-fi
-
-_LT_DECL(global_symbol_pipe, lt_cv_sys_global_symbol_pipe, 1,
-    Take the output of nm and produce a listing of raw symbols and C names)
-_LT_DECL(global_symbol_to_cdecl, lt_cv_sys_global_symbol_to_cdecl, 1,
-    Transform the output of nm in a proper C declaration)
-_LT_DECL(global_symbol_to_import, lt_cv_sys_global_symbol_to_import, 1,
-    Transform the output of nm into a list of symbols to manually relocate)
-_LT_DECL(global_symbol_to_c_name_address,
-    lt_cv_sys_global_symbol_to_c_name_address, 1,
-    Transform the output of nm in a C name address pair)
-_LT_DECL(global_symbol_to_c_name_address_lib_prefix,
-    lt_cv_sys_global_symbol_to_c_name_address_lib_prefix, 1,
-    Transform the output of nm in a C name address pair when lib prefix is needed)
-_LT_DECL(nm_interface, lt_cv_nm_interface, 1,
-    The name lister interface)
-_LT_DECL(, nm_file_list_spec, 1,
-    Specify filename containing input files for $NM)
-) # _LT_CMD_GLOBAL_SYMBOLS
-
-
-# _LT_COMPILER_PIC(TAGNAME)
-# ---------------------------
-m4_defun(_LT_COMPILER_PIC,
-m4_require(_LT_TAG_COMPILER)dnl
-_LT_TAGVAR(lt_prog_compiler_wl, $1)=
-_LT_TAGVAR(lt_prog_compiler_pic, $1)=
-_LT_TAGVAR(lt_prog_compiler_static, $1)=
-
-m4_if($1, CXX, 
-  # C++ specific cases for pic, static, wl, etc.
-  if test yes = "$GXX"; then
-    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-
-    case $host_os in
-    aix*)
-      # All AIX code is PIC.
-      if test ia64 = "$host_cpu"; then
-	# AIX 5 now supports IA64 processor
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      fi
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-        ;;
-      m68k)
-            # FIXME: we need at least 68020 code to build shared libraries, but
-            # adding the '-m68020' flag to GCC prevents building anything better,
-            # like '-m68040'.
-            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
-        ;;
-      esac
-      ;;
-
-    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
-      # PIC is the default for these OSes.
-      ;;
-    mingw* | cygwin* | os2* | pw32* | cegcc*)
-      # This hack is so that the source file can tell whether it is being
-      # built for inclusion in a dll (and should export symbols for example).
-      # Although the cygwin gcc ignores -fPIC, still need this for old-style
-      # (--disable-auto-import) libraries
-      m4_if($1, GCJ, ,
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT')
-      case $host_os in
-      os2*)
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
-	;;
-      esac
-      ;;
-    darwin* | rhapsody*)
-      # PIC is the default on this platform
-      # Common symbols not allowed in MH_DYLIB files
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
-      ;;
-    *djgpp*)
-      # DJGPP does not support shared libraries at all
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)=
-      ;;
-    haiku*)
-      # PIC is the default for Haiku.
-      # The "-static" flag exists, but is broken.
-      _LT_TAGVAR(lt_prog_compiler_static, $1)=
-      ;;
-    interix3-9*)
-      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
-      # Instead, we relocate shared libraries at runtime.
-      ;;
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
-      fi
-      ;;
-    hpux*)
-      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
-      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
-      # sets the default TLS model and affects inlining.
-      case $host_cpu in
-      hppa*64*)
-	;;
-      *)
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	;;
-      esac
-      ;;
-    *qnx* | *nto*)
-      # QNX uses GNU C++, but need to define -shared option too, otherwise
-      # it will coredump.
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
-      ;;
-    *)
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-      ;;
-    esac
-  else
-    case $host_os in
-      aix4-9*)
-	# All AIX code is PIC.
-	if test ia64 = "$host_cpu"; then
-	  # AIX 5 now supports IA64 processor
-	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	else
-	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
-	fi
-	;;
-      chorus*)
-	case $cc_basename in
-	cxch68*)
-	  # Green Hills C++ Compiler
-	  # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
-	  ;;
-	esac
-	;;
-      mingw* | cygwin* | os2* | pw32* | cegcc*)
-	# This hack is so that the source file can tell whether it is being
-	# built for inclusion in a dll (and should export symbols for example).
-	m4_if($1, GCJ, ,
-	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT')
-	;;
-      dgux*)
-	case $cc_basename in
-	  ec++*)
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	    ;;
-	  ghcx*)
-	    # Green Hills C++ Compiler
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      freebsd* | dragonfly*)
-	# FreeBSD uses GNU C++
-	;;
-      hpux9* | hpux10* | hpux11*)
-	case $cc_basename in
-	  CC*)
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
-	    if test ia64 != "$host_cpu"; then
-	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
-	    fi
-	    ;;
-	  aCC*)
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
-	    case $host_cpu in
-	    hppa*64*|ia64*)
-	      # +Z the default
-	      ;;
-	    *)
-	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
-	      ;;
-	    esac
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      interix*)
-	# This is c89, which is MS Visual C++ (no shared libs)
-	# Anyone wants to do a port?
-	;;
-      irix5* | irix6* | nonstopux*)
-	case $cc_basename in
-	  CC*)
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
-	    # CC pic flag -KPIC is the default.
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-	case $cc_basename in
-	  KCC*)
-	    # KAI C++ Compiler
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	    ;;
-	  ecpc* )
-	    # old Intel C++ for x86_64, which still supported -KPIC.
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-	    ;;
-	  icpc* )
-	    # Intel C++, used to be incompatible with GCC.
-	    # ICC 10 doesn't accept -KPIC any more.
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-	    ;;
-	  pgCC* | pgcpp*)
-	    # Portland Group C++ compiler
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	    ;;
-	  cxx*)
-	    # Compaq C++
-	    # Make sure the PIC flag is empty.  It appears that all Alpha
-	    # Linux and Compaq Tru64 Unix objects are PIC.
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
-	    ;;
-	  xlc* | xlC* | bgxlcC* | mpixlcC*)
-	    # IBM XL 8.0, 9.0 on PPC and BlueGene
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
-	    ;;
-	  *)
-	    case `$CC -V 2>&1 | sed 5q` in
-	    *Sun\ C*)
-	      # Sun C++ 5.9
-	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
-	      ;;
-	    esac
-	    ;;
-	esac
-	;;
-      lynxos*)
-	;;
-      m88k*)
-	;;
-      mvs*)
-	case $cc_basename in
-	  cxx*)
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      netbsd* | netbsdelf*-gnu)
-	;;
-      *qnx* | *nto*)
-        # QNX uses GNU C++, but need to define -shared option too, otherwise
-        # it will coredump.
-        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
-        ;;
-      osf3* | osf4* | osf5*)
-	case $cc_basename in
-	  KCC*)
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
-	    ;;
-	  RCC*)
-	    # Rational C++ 2.4.1
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
-	    ;;
-	  cxx*)
-	    # Digital/Compaq C++
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    # Make sure the PIC flag is empty.  It appears that all Alpha
-	    # Linux and Compaq Tru64 Unix objects are PIC.
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      psos*)
-	;;
-      solaris*)
-	case $cc_basename in
-	  CC* | sunCC*)
-	    # Sun C++ 4.2, 5.x and Centerline C++
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
-	    ;;
-	  gcx*)
-	    # Green Hills C++ Compiler
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      sunos4*)
-	case $cc_basename in
-	  CC*)
-	    # Sun C++ 4.x
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	    ;;
-	  lcc*)
-	    # Lucid
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
-	case $cc_basename in
-	  CC*)
-	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	    ;;
-	esac
-	;;
-      tandem*)
-	case $cc_basename in
-	  NCC*)
-	    # NonStop-UX NCC 3.20
-	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
-      vxworks*)
-	;;
-      *)
-	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
-	;;
-    esac
-  fi
-,
-
-  if test yes = "$GCC"; then
-    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-
-    case $host_os in
-      aix*)
-      # All AIX code is PIC.
-      if test ia64 = "$host_cpu"; then
-	# AIX 5 now supports IA64 processor
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      fi
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-        ;;
-      m68k)
-            # FIXME: we need at least 68020 code to build shared libraries, but
-            # adding the '-m68020' flag to GCC prevents building anything better,
-            # like '-m68040'.
-            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
-        ;;
-      esac
-      ;;
-
-    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
-      # PIC is the default for these OSes.
-      ;;
-
-    mingw* | cygwin* | pw32* | os2* | cegcc*)
-      # This hack is so that the source file can tell whether it is being
-      # built for inclusion in a dll (and should export symbols for example).
-      # Although the cygwin gcc ignores -fPIC, still need this for old-style
-      # (--disable-auto-import) libraries
-      m4_if($1, GCJ, ,
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT')
-      case $host_os in
-      os2*)
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
-	;;
-      esac
-      ;;
-
-    darwin* | rhapsody*)
-      # PIC is the default on this platform
-      # Common symbols not allowed in MH_DYLIB files
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
-      ;;
-
-    haiku*)
-      # PIC is the default for Haiku.
-      # The "-static" flag exists, but is broken.
-      _LT_TAGVAR(lt_prog_compiler_static, $1)=
-      ;;
-
-    hpux*)
-      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
-      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
-      # sets the default TLS model and affects inlining.
-      case $host_cpu in
-      hppa*64*)
-	# +Z the default
-	;;
-      *)
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	;;
-      esac
-      ;;
-
-    interix3-9*)
-      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
-      # Instead, we relocate shared libraries at runtime.
-      ;;
-
-    msdosdjgpp*)
-      # Just because we use GCC doesn't mean we suddenly get shared libraries
-      # on systems that don't support them.
-      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
-      enable_shared=no
-      ;;
-
-    *nto* | *qnx*)
-      # QNX uses GNU C++, but need to define -shared option too, otherwise
-      # it will coredump.
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
-      ;;
-
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
-      fi
-      ;;
-
-    *)
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-      ;;
-    esac
-
-    case $cc_basename in
-    nvcc*) # Cuda Compiler Driver 2.2
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
-      if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
-        _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
-      fi
-      ;;
-    esac
-  else
-    # PORTME Check for flag to pass linker flags through the system compiler.
-    case $host_os in
-    aix*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      if test ia64 = "$host_cpu"; then
-	# AIX 5 now supports IA64 processor
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      else
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
-      fi
-      ;;
-
-    darwin* | rhapsody*)
-      # PIC is the default on this platform
-      # Common symbols not allowed in MH_DYLIB files
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
-      case $cc_basename in
-      nagfor*)
-        # NAG Fortran compiler
-        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
-        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
-        _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-        ;;
-      esac
-      ;;
-
-    mingw* | cygwin* | pw32* | os2* | cegcc*)
-      # This hack is so that the source file can tell whether it is being
-      # built for inclusion in a dll (and should export symbols for example).
-      m4_if($1, GCJ, ,
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT')
-      case $host_os in
-      os2*)
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
-	;;
-      esac
-      ;;
-
-    hpux9* | hpux10* | hpux11*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
-      # not for PA HP-UX.
-      case $host_cpu in
-      hppa*64*|ia64*)
-	# +Z the default
-	;;
-      *)
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
-	;;
-      esac
-      # Is there a better lt_prog_compiler_static that works with the bundled CC?
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
-      ;;
-
-    irix5* | irix6* | nonstopux*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      # PIC (with -KPIC) is the default.
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
-      ;;
-
-    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-      case $cc_basename in
-      # old Intel for x86_64, which still supported -KPIC.
-      ecc*)
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-        ;;
-      # icc used to be incompatible with GCC.
-      # ICC 10 doesn't accept -KPIC any more.
-      icc* | ifort*)
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-        ;;
-      # Lahey Fortran 8.1.
-      lf95*)
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
-	;;
-      nagfor*)
-	# NAG Fortran compiler
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	;;
-      tcc*)
-	# Fabrice Bellard et al's Tiny C Compiler
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-	;;
-      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
-        # Portland Group compilers (*not* the Pentium gcc compiler,
-	# which looks to be a dead project)
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-        ;;
-      ccc*)
-        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-        # All Alpha code is PIC.
-        _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
-        ;;
-      xl* | bgxl* | bgf* | mpixl*)
-	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
-	;;
-      *)
-	case `$CC -V 2>&1 | sed 5q` in
-	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ 1-7.* | *Sun*Fortran*\ 8.0-3*)
-	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
-	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
-	  ;;
-	*Sun\ F* | *Sun*Fortran*)
-	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
-	  ;;
-	*Sun\ C*)
-	  # Sun C 5.9
-	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	  ;;
-        *Intel*\ CF*Compiler*)
-	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-	  ;;
-	*Portland\ Group*)
-	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
-	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-	  ;;
-	esac
-	;;
-      esac
-      ;;
-
-    newsos6)
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      ;;
-
-    *nto* | *qnx*)
-      # QNX uses GNU C++, but need to define -shared option too, otherwise
-      # it will coredump.
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
-      ;;
-
-    osf3* | osf4* | osf5*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      # All OSF/1 code is PIC.
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
-      ;;
-
-    rdos*)
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
-      ;;
-
-    solaris*)
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      case $cc_basename in
-      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
-      *)
-	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
-      esac
-      ;;
-
-    sunos4*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      ;;
-
-    sysv4 | sysv4.2uw2* | sysv4.3*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      ;;
-
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
-	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      fi
-      ;;
-
-    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      ;;
-
-    unicos*)
-      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
-      ;;
-
-    uts4*)
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
-      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
-      ;;
-
-    *)
-      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
-      ;;
-    esac
-  fi
-)
-case $host_os in
-  # For platforms that do not support PIC, -DPIC is meaningless:
-  *djgpp*)
-    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
-    ;;
-  *)
-    _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if($1,, -DPIC,m4_if($1,CXX, -DPIC,))"
-    ;;
-esac
-
-AC_CACHE_CHECK(for $compiler option to produce PIC,
-  _LT_TAGVAR(lt_cv_prog_compiler_pic, $1),
-  _LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1))
-_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)
-
-#
-# Check to make sure the PIC flag actually works.
-#
-if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
-  _LT_COMPILER_OPTION(if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works,
-    _LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1),
-    $_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if($1,, -DPIC,m4_if($1,CXX, -DPIC,)), ,
-    case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
-     "" | " "*) ;;
-     *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
-     esac,
-    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
-     _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no)
-fi
-_LT_TAGDECL(pic_flag, lt_prog_compiler_pic, 1,
-	Additional compiler flags for building library objects)
-
-_LT_TAGDECL(wl, lt_prog_compiler_wl, 1,
-	How to pass a linker flag through the compiler)
-#
-# Check to make sure the static flag actually works.
-#
-wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
-_LT_LINKER_OPTION(if $compiler static flag $lt_tmp_static_flag works,
-  _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
-  $lt_tmp_static_flag,
-  ,
-  _LT_TAGVAR(lt_prog_compiler_static, $1)=)
-_LT_TAGDECL(link_static_flag, lt_prog_compiler_static, 1,
-	Compiler flag to prevent dynamic linking)
-)# _LT_COMPILER_PIC
-
-
-# _LT_LINKER_SHLIBS(TAGNAME)
-# ----------------------------
-# See if the linker supports building shared libraries.
-m4_defun(_LT_LINKER_SHLIBS,
-AC_REQUIRE(LT_PATH_LD)dnl
-AC_REQUIRE(LT_PATH_NM)dnl
-m4_require(_LT_PATH_MANIFEST_TOOL)dnl
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-m4_require(_LT_DECL_EGREP)dnl
-m4_require(_LT_DECL_SED)dnl
-m4_require(_LT_CMD_GLOBAL_SYMBOLS)dnl
-m4_require(_LT_TAG_COMPILER)dnl
-AC_MSG_CHECKING(whether the $compiler linker ($LD) supports shared libraries)
-m4_if($1, CXX, 
-  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
-  _LT_TAGVAR(exclude_expsyms, $1)='_GLOBAL_OFFSET_TABLE_|_GLOBAL__FID_.*'
-  case $host_os in
-  aix4-9*)
-    # If we're using GNU nm, then we don't want the "-C" option.
-    # -C means demangle to GNU nm, but means don't demangle to AIX nm.
-    # Without the "-l" option, or with the "-B" option, AIX nm treats
-    # weak defined symbols like other global defined symbols, whereas
-    # GNU nm marks them as "W".
-    # While the 'weak' keyword is ignored in the Export File, we need
-    # it in the Import File for the 'aix-soname' feature, so we have
-    # to replace the "-B" option with "-P" for AIX nm.
-    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
-      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
-    else
-      _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B$^B*$$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
-    fi
-    ;;
-  pw32*)
-    _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds
-    ;;
-  cygwin* | mingw* | cegcc*)
-    case $cc_basename in
-    cl*)
-      _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
-      ;;
-    *)
-      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^BCDGRS /s/.* $^ *$/\1 DATA/;s/^.* __nm__$^ *$ ^ */\1 DATA/;/^I /d;/^AITW /s/.* //'\'' | sort | uniq > $export_symbols'
-      _LT_TAGVAR(exclude_expsyms, $1)='_+GLOBAL_OFFSET_TABLE_|_+GLOBAL__FID_.*|_+head_A-Za-z0-9_+_dll|A-Za-z0-9_+_dll_iname'
-      ;;
-    esac
-    ;;
-  linux* | k*bsd*-gnu | gnu*)
-    _LT_TAGVAR(link_all_deplibs, $1)=no
-    ;;
-  *)
-    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
-    ;;
-  esac
-, 
-  runpath_var=
-  _LT_TAGVAR(allow_undefined_flag, $1)=
-  _LT_TAGVAR(always_export_symbols, $1)=no
-  _LT_TAGVAR(archive_cmds, $1)=
-  _LT_TAGVAR(archive_expsym_cmds, $1)=
-  _LT_TAGVAR(compiler_needs_object, $1)=no
-  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
-  _LT_TAGVAR(export_dynamic_flag_spec, $1)=
-  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
-  _LT_TAGVAR(hardcode_automatic, $1)=no
-  _LT_TAGVAR(hardcode_direct, $1)=no
-  _LT_TAGVAR(hardcode_direct_absolute, $1)=no
-  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-  _LT_TAGVAR(hardcode_libdir_separator, $1)=
-  _LT_TAGVAR(hardcode_minus_L, $1)=no
-  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
-  _LT_TAGVAR(inherit_rpath, $1)=no
-  _LT_TAGVAR(link_all_deplibs, $1)=unknown
-  _LT_TAGVAR(module_cmds, $1)=
-  _LT_TAGVAR(module_expsym_cmds, $1)=
-  _LT_TAGVAR(old_archive_from_new_cmds, $1)=
-  _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
-  _LT_TAGVAR(thread_safe_flag_spec, $1)=
-  _LT_TAGVAR(whole_archive_flag_spec, $1)=
-  # include_expsyms should be a list of space-separated symbols to be *always*
-  # included in the symbol list
-  _LT_TAGVAR(include_expsyms, $1)=
-  # exclude_expsyms can be an extended regexp of symbols to exclude
-  # it will be wrapped by ' (' and ')$', so one must not match beginning or
-  # end of line.  Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc',
-  # as well as any symbol that contains 'd'.
-  _LT_TAGVAR(exclude_expsyms, $1)='_GLOBAL_OFFSET_TABLE_|_GLOBAL__FID_.*'
-  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
-  # platforms (ab)use it in PIC code, but their linkers get confused if
-  # the symbol is explicitly referenced.  Since portable code cannot
-  # rely on this symbol name, it's probably fine to never include it in
-  # preloaded symbol tables.
-  # Exclude shared library initialization/finalization symbols.
-dnl Note also adjust exclude_expsyms for C++ above.
-  extract_expsyms_cmds=
-
-  case $host_os in
-  cygwin* | mingw* | pw32* | cegcc*)
-    # FIXME: the MSVC++ port hasn't been tested in a loooong time
-    # When not using gcc, we currently assume that we are using
-    # Microsoft Visual C++.
-    if test yes != "$GCC"; then
-      with_gnu_ld=no
-    fi
-    ;;
-  interix*)
-    # we just hope/assume this is gcc and not c89 (= MSVC++)
-    with_gnu_ld=yes
-    ;;
-  openbsd* | bitrig*)
-    with_gnu_ld=no
-    ;;
-  linux* | k*bsd*-gnu | gnu*)
-    _LT_TAGVAR(link_all_deplibs, $1)=no
-    ;;
-  esac
-
-  _LT_TAGVAR(ld_shlibs, $1)=yes
-
-  # On some targets, GNU ld is compatible enough with the native linker
-  # that we're better off using the native interface for both.
-  lt_use_gnu_ld_interface=no
-  if test yes = "$with_gnu_ld"; then
-    case $host_os in
-      aix*)
-	# The AIX port of GNU ld has always aspired to compatibility
-	# with the native linker.  However, as the warning in the GNU ld
-	# block says, versions before 2.19.5* couldn't really create working
-	# shared libraries, regardless of the interface used.
-	case `$LD -v 2>&1` in
-	  *\ $GNU\ Binutils$\ 2.19.5*) ;;
-	  *\ $GNU\ Binutils$\ 2.2-9*) ;;
-	  *\ $GNU\ Binutils$\ 3-9*) ;;
-	  *)
-	    lt_use_gnu_ld_interface=yes
-	    ;;
-	esac
-	;;
-      *)
-	lt_use_gnu_ld_interface=yes
-	;;
-    esac
-  fi
-
-  if test yes = "$lt_use_gnu_ld_interface"; then
-    # If archive_cmds runs LD, not CC, wlarc should be empty
-    wlarc='$wl'
-
-    # Set some defaults for GNU ld with shared library support. These
-    # are reset later if shared libraries are not supported. Putting them
-    # here allows them to be overridden if necessary.
-    runpath_var=LD_RUN_PATH
-    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
-    # ancient GNU ld didn't support --whole-archive et. al.
-    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
-      _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
-    else
-      _LT_TAGVAR(whole_archive_flag_spec, $1)=
-    fi
-    supports_anon_versioning=no
-    case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in
-      *GNU\ gold*) supports_anon_versioning=yes ;;
-      *\ 01.* | *\ 2.0-9.* | *\ 2.10.*) ;; # catch versions < 2.11
-      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
-      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
-      *\ 2.11.*) ;; # other 2.11 versions
-      *) supports_anon_versioning=yes ;;
-    esac
-
-    # See if GNU ld supports shared libraries.
-    case $host_os in
-    aix3-9*)
-      # On AIX/PPC, the GNU linker is very broken
-      if test ia64 != "$host_cpu"; then
-	_LT_TAGVAR(ld_shlibs, $1)=no
-	cat <<_LT_EOF 1>&2
-
-*** Warning: the GNU linker, at least up to release 2.19, is reported
-*** to be unable to reliably create shared libraries on AIX.
-*** Therefore, libtool is disabling shared libraries support.  If you
-*** really care for shared libraries, you may want to install binutils
-*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
-*** You will then need to restart the configuration process.
-
-_LT_EOF
-      fi
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-            _LT_TAGVAR(archive_expsym_cmds, $1)=''
-        ;;
-      m68k)
-            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
-            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-            _LT_TAGVAR(hardcode_minus_L, $1)=yes
-        ;;
-      esac
-      ;;
-
-    beos*)
-      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
-	# support --undefined.  This deserves some investigation.  FIXME
-	_LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-      else
-	_LT_TAGVAR(ld_shlibs, $1)=no
-      fi
-      ;;
-
-    cygwin* | mingw* | pw32* | cegcc*)
-      # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
-      # as there is no search path for DLLs.
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
-      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-      _LT_TAGVAR(always_export_symbols, $1)=no
-      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^BCDGRS /s/.* $^ *$/\1 DATA/;s/^.* __nm__$^ *$ ^ */\1 DATA/;/^I /d;/^AITW /s/.* //'\'' | sort | uniq > $export_symbols'
-      _LT_TAGVAR(exclude_expsyms, $1)='_+GLOBAL_OFFSET_TABLE_|_+GLOBAL__FID_.*|_+head_A-Za-z0-9_+_dll|A-Za-z0-9_+_dll_iname'
-
-      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
-        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-	# If the export-symbols file already is a .def file, use it as
-	# is; otherwise, prepend EXPORTS...
-	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P($export_symbols); then
-          cp $export_symbols $output_objdir/$soname.def;
-        else
-          echo EXPORTS > $output_objdir/$soname.def;
-          cat $export_symbols >> $output_objdir/$soname.def;
-        fi~
-        $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-      else
-	_LT_TAGVAR(ld_shlibs, $1)=no
-      fi
-      ;;
-
-    haiku*)
-      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-      _LT_TAGVAR(link_all_deplibs, $1)=yes
-      ;;
-
-    os2*)
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-      _LT_TAGVAR(hardcode_minus_L, $1)=yes
-      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-      shrext_cmds=.dll
-      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	prefix_cmds="$SED"~
-	if test EXPORTS = "`$SED 1q $export_symbols`"; then
-	  prefix_cmds="$prefix_cmds -e 1d";
-	fi~
-	prefix_cmds="$prefix_cmds -e \"s/^$.*$$/_\1/g\""~
-	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
-      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-      ;;
-
-    interix3-9*)
-      _LT_TAGVAR(hardcode_direct, $1)=no
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
-      # Instead, shared libraries are loaded at an image base (0x10000000 by
-      # default) and relocated if they conflict, which is a slow very memory
-      # consuming and fragmenting process.  To avoid this, we pick a random,
-      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
-      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
-      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-      _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-      ;;
-
-    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
-      tmp_diet=no
-      if test linux-dietlibc = "$host_os"; then
-	case $cc_basename in
-	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
-	esac
-      fi
-      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
-	 && test no = "$tmp_diet"
-      then
-	tmp_addflag=' $pic_flag'
-	tmp_sharedflag='-shared'
-	case $cc_basename,$host_cpu in
-        pgcc*)				# Portland Group C compiler
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  tmp_addflag=' $pic_flag'
-	  ;;
-	pgf77* | pgf90* | pgf95* | pgfortran*)
-					# Portland Group f77 and f90 compilers
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  tmp_addflag=' $pic_flag -Mnomain' ;;
-	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
-	  tmp_addflag=' -i_dynamic' ;;
-	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
-	  tmp_addflag=' -i_dynamic -nofor_main' ;;
-	ifc* | ifort*)			# Intel Fortran compiler
-	  tmp_addflag=' -nofor_main' ;;
-	lf95*)				# Lahey Fortran 8.1
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)=
-	  tmp_sharedflag='--shared' ;;
-        nagfor*)                        # NAGFOR 5.3
-          tmp_sharedflag='-Wl,-shared' ;;
-	xlcC* | bgxlcC* | mpixlcC*) # IBM XL C 8.0 on PPC (deal with xlf below)
-	  tmp_sharedflag='-qmkshrobj'
-	  tmp_addflag= ;;
-	nvcc*)	# Cuda Compiler Driver 2.2
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  _LT_TAGVAR(compiler_needs_object, $1)=yes
-	  ;;
-	esac
-	case `$CC -V 2>&1 | sed 5q` in
-	*Sun\ C*)			# Sun C 5.9
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	  _LT_TAGVAR(compiler_needs_object, $1)=yes
-	  tmp_sharedflag='-G' ;;
-	*Sun\ F*)			# Sun Fortran 8.3
-	  tmp_sharedflag='-G' ;;
-	esac
-	_LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-
-        if test yes = "$supports_anon_versioning"; then
-          _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
-            cat $export_symbols | sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
-            echo "local: *; };" >> $output_objdir/$libname.ver~
-            $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
-        fi
-
-	case $cc_basename in
-	tcc*)
-	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic'
-	  ;;
-	xlf* | bgf* | bgxlf* | mpixlf*)
-	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
-	  if test yes = "$supports_anon_versioning"; then
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
-              cat $export_symbols | sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
-              echo "local: *; };" >> $output_objdir/$libname.ver~
-              $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
-	  fi
-	  ;;
-	esac
-      else
-        _LT_TAGVAR(ld_shlibs, $1)=no
-      fi
-      ;;
-
-    netbsd* | netbsdelf*-gnu)
-      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
-	wlarc=
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-      fi
-      ;;
-
-    solaris*)
-      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
-	_LT_TAGVAR(ld_shlibs, $1)=no
-	cat <<_LT_EOF 1>&2
-
-*** Warning: The releases 2.8.* of the GNU linker cannot reliably
-*** create shared libraries on Solaris systems.  Therefore, libtool
-*** is disabling shared libraries support.  We urge you to upgrade GNU
-*** binutils to release 2.9.1 or newer.  Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
-      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-      else
-	_LT_TAGVAR(ld_shlibs, $1)=no
-      fi
-      ;;
-
-    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
-      case `$LD -v 2>&1` in
-        *\ 01.* | *\ 2.0-9.* | *\ 2.10-5.*)
-	_LT_TAGVAR(ld_shlibs, $1)=no
-	cat <<_LT_EOF 1>&2
-
-*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
-*** reliably create shared libraries on SCO systems.  Therefore, libtool
-*** is disabling shared libraries support.  We urge you to upgrade GNU
-*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
-	;;
-	*)
-	  # For security reasons, it is highly recommended that you always
-	  # use absolute paths for naming shared libraries, and exclude the
-	  # DT_RUNPATH tag from executables and libraries.  But doing so
-	  # requires that you compile everything twice, which is a pain.
-	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-	  else
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	  fi
-	;;
-      esac
-      ;;
-
-    sunos4*)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
-      wlarc=
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    *)
-      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-      else
-	_LT_TAGVAR(ld_shlibs, $1)=no
-      fi
-      ;;
-    esac
-
-    if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then
-      runpath_var=
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)=
-      _LT_TAGVAR(whole_archive_flag_spec, $1)=
-    fi
-  else
-    # PORTME fill in a description of your system's linker (not GNU ld)
-    case $host_os in
-    aix3*)
-      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-      _LT_TAGVAR(always_export_symbols, $1)=yes
-      _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
-      # Note: this linker hardcodes the directories in LIBPATH if there
-      # are no directories specified by -L.
-      _LT_TAGVAR(hardcode_minus_L, $1)=yes
-      if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
-	# Neither direct hardcoding nor static linking is supported with a
-	# broken collect2.
-	_LT_TAGVAR(hardcode_direct, $1)=unsupported
-      fi
-      ;;
-
-    aix4-9*)
-      if test ia64 = "$host_cpu"; then
-	# On IA64, the linker does run time linking by default, so we don't
-	# have to do anything special.
-	aix_use_runtimelinking=no
-	exp_sym_flag='-Bexport'
-	no_entry_flag=
-      else
-	# If we're using GNU nm, then we don't want the "-C" option.
-	# -C means demangle to GNU nm, but means don't demangle to AIX nm.
-	# Without the "-l" option, or with the "-B" option, AIX nm treats
-	# weak defined symbols like other global defined symbols, whereas
-	# GNU nm marks them as "W".
-	# While the 'weak' keyword is ignored in the Export File, we need
-	# it in the Import File for the 'aix-soname' feature, so we have
-	# to replace the "-B" option with "-P" for AIX nm.
-	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
-	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
-	else
-	  _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B$^B*$$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
-	fi
-	aix_use_runtimelinking=no
-
-	# Test if we are trying to use run time linking or normal
-	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
-	# have runtime linking enabled, and use it for executables.
-	# For shared libraries, we enable/disable runtime linking
-	# depending on the kind of the shared library created -
-	# when "with_aix_soname,aix_use_runtimelinking" is:
-	# "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
-	# "aix,yes"  lib.so          shared, rtl:yes, for executables
-	#            lib.a           static archive
-	# "both,no"  lib.so.V(shr.o) shared, rtl:yes
-	#            lib.a(lib.so.V) shared, rtl:no,  for executables
-	# "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
-	#            lib.a(lib.so.V) shared, rtl:no
-	# "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
-	#            lib.a           static archive
-	case $host_os in aix4.23|aix4.23.*|aix5-9*)
-	  for ld_flag in $LDFLAGS; do
-	  if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
-	    aix_use_runtimelinking=yes
-	    break
-	  fi
-	  done
-	  if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
-	    # With aix-soname=svr4, we create the lib.so.V shared archives only,
-	    # so we don't have lib.a shared libs to link our executables.
-	    # We have to force runtime linking in this case.
-	    aix_use_runtimelinking=yes
-	    LDFLAGS="$LDFLAGS -Wl,-brtl"
-	  fi
-	  ;;
-	esac
-
-	exp_sym_flag='-bexport'
-	no_entry_flag='-bnoentry'
-      fi
-
-      # When large executables or shared objects are built, AIX ld can
-      # have problems creating the table of contents.  If linking a library
-      # or program results in "error TOC overflow" add -mminimal-toc to
-      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
-      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
-      _LT_TAGVAR(archive_cmds, $1)=''
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
-      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
-      _LT_TAGVAR(link_all_deplibs, $1)=yes
-      _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
-      case $with_aix_soname,$aix_use_runtimelinking in
-      aix,*) ;; # traditional, no import file
-      svr4,* | *,yes) # use import file
-	# The Import File defines what to hardcode.
-	_LT_TAGVAR(hardcode_direct, $1)=no
-	_LT_TAGVAR(hardcode_direct_absolute, $1)=no
-	;;
-      esac
-
-      if test yes = "$GCC"; then
-	case $host_os in aix4.012|aix4.012.*)
-	# We only want to do this on AIX 4.2 and lower, the check
-	# below for broken collect2 doesn't work under 4.3+
-	  collect2name=`$CC -print-prog-name=collect2`
-	  if test -f "$collect2name" &&
-	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
-	  then
-	  # We have reworked collect2
-	  :
-	  else
-	  # We have old collect2
-	  _LT_TAGVAR(hardcode_direct, $1)=unsupported
-	  # It fails to find uninstalled libraries when the uninstalled
-	  # path is not listed in the libpath.  Setting hardcode_minus_L
-	  # to unsupported forces relinking
-	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-	  _LT_TAGVAR(hardcode_libdir_separator, $1)=
-	  fi
-	  ;;
-	esac
-	shared_flag='-shared'
-	if test yes = "$aix_use_runtimelinking"; then
-	  shared_flag="$shared_flag "'$wl-G'
-	fi
-	# Need to ensure runtime linking is disabled for the traditional
-	# shared library, or the linker may eventually find shared libraries
-	# /with/ Import File - we do not want to mix them.
-	shared_flag_aix='-shared'
-	shared_flag_svr4='-shared $wl-G'
-      else
-	# not using gcc
-	if test ia64 = "$host_cpu"; then
-	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
-	# chokes on -Wl,-G. The following line is correct:
-	  shared_flag='-G'
-	else
-	  if test yes = "$aix_use_runtimelinking"; then
-	    shared_flag='$wl-G'
-	  else
-	    shared_flag='$wl-bM:SRE'
-	  fi
-	  shared_flag_aix='$wl-bM:SRE'
-	  shared_flag_svr4='$wl-G'
-	fi
-      fi
-
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
-      # It seems that -bexpall does not export symbols beginning with
-      # underscore (_), so it is better to generate a list of symbols to export.
-      _LT_TAGVAR(always_export_symbols, $1)=yes
-      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
-	# Warning - without using the other runtime loading flags (-brtl),
-	# -berok will link without error, but may produce a broken library.
-	_LT_TAGVAR(allow_undefined_flag, $1)='-berok'
-        # Determine the default libpath from the value encoded in an
-        # empty executable.
-        _LT_SYS_MODULE_PATH_AIX($1)
-        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
-        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
-      else
-	if test ia64 = "$host_cpu"; then
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
-	  _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
-	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
-	else
-	 # Determine the default libpath from the value encoded in an
-	 # empty executable.
-	 _LT_SYS_MODULE_PATH_AIX($1)
-	 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
-	  # Warning - without using the other run time loading flags,
-	  # -berok will link without error, but may produce a broken library.
-	  _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
-	  _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
-	  if test yes = "$with_gnu_ld"; then
-	    # We only use this code for GNU lds that support --whole-archive.
-	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
-	  else
-	    # Exported symbols can be pulled into shared objects from archives
-	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
-	  fi
-	  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
-	  _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
-	  # -brtl affects multiple linker settings, -berok does not and is overridden later
-	  compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\$, \$%-berok\\1%g"`'
-	  if test svr4 != "$with_aix_soname"; then
-	    # This is similar to how AIX traditionally builds its shared libraries.
-	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
-	  fi
-	  if test aix != "$with_aix_soname"; then
-	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
-	  else
-	    # used by -dlpreopen to get the symbols
-	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
-	  fi
-	  _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
-	fi
-      fi
-      ;;
-
-    amigaos*)
-      case $host_cpu in
-      powerpc)
-            # see comment about AmigaOS4 .so support
-            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-            _LT_TAGVAR(archive_expsym_cmds, $1)=''
-        ;;
-      m68k)
-            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
-            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-            _LT_TAGVAR(hardcode_minus_L, $1)=yes
-        ;;
-      esac
-      ;;
-
-    bsdi45*)
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
-      ;;
-
-    cygwin* | mingw* | pw32* | cegcc*)
-      # When not using gcc, we currently assume that we are using
-      # Microsoft Visual C++.
-      # hardcode_libdir_flag_spec is actually meaningless, as there is
-      # no search path for DLLs.
-      case $cc_basename in
-      cl*)
-	# Native MSVC
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
-	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-	_LT_TAGVAR(always_export_symbols, $1)=yes
-	_LT_TAGVAR(file_list_spec, $1)='@'
-	# Tell ltmain to make .lib files, not .a files.
-	libext=lib
-	# Tell ltmain to make .dll files, not .so files.
-	shrext_cmds=.dll
-	# FIXME: Setting linknames here is a bad hack.
-	_LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
-	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P($export_symbols); then
-            cp "$export_symbols" "$output_objdir/$soname.def";
-            echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
-          else
-            $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
-          fi~
-          $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
-          linknames='
-	# The linker will not automatically build a static lib if we build a DLL.
-	# _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
-	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-	_LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
-	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^BCDGRS /s/.* $^ *$/\1,DATA/'\'' | $SED -e '\''/^AITW /s/.* //'\'' | sort | uniq > $export_symbols'
-	# Don't use ranlib
-	_LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
-	_LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
-          lt_tool_outputfile="@TOOL_OUTPUT@"~
-          case $lt_outputfile in
-            *.exe|*.EXE) ;;
-            *)
-              lt_outputfile=$lt_outputfile.exe
-              lt_tool_outputfile=$lt_tool_outputfile.exe
-              ;;
-          esac~
-          if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
-            $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
-            $RM "$lt_outputfile.manifest";
-          fi'
-	;;
-      *)
-	# Assume MSVC wrapper
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
-	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-	# Tell ltmain to make .lib files, not .a files.
-	libext=lib
-	# Tell ltmain to make .dll files, not .so files.
-	shrext_cmds=.dll
-	# FIXME: Setting linknames here is a bad hack.
-	_LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
-	# The linker will automatically build a .lib file if we build a DLL.
-	_LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
-	# FIXME: Should let the user specify the lib program.
-	_LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
-	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-	;;
-      esac
-      ;;
-
-    darwin* | rhapsody*)
-      _LT_DARWIN_LINKER_FEATURES($1)
-      ;;
-
-    dgux*)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    # FreeBSD 2.2.012 allows us to include c++rt0.o to get C++ constructor
-    # support.  Future versions do this automatically, but an explicit c++rt0.o
-    # does not break anything, and helps significantly (at the cost of a little
-    # extra space).
-    freebsd2.2*)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
-    freebsd2.*)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_minus_L, $1)=yes
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
-    freebsd* | dragonfly*)
-      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    hpux9*)
-      if test yes = "$GCC"; then
-	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-      fi
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
-      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-
-      # hardcode_minus_L: Not really in the search PATH,
-      # but as the default location of the library.
-      _LT_TAGVAR(hardcode_minus_L, $1)=yes
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-      ;;
-
-    hpux10*)
-      if test yes,no = "$GCC,$with_gnu_ld"; then
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
-      fi
-      if test no = "$with_gnu_ld"; then
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
-	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
-	_LT_TAGVAR(hardcode_direct, $1)=yes
-	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
-	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-	# hardcode_minus_L: Not really in the search PATH,
-	# but as the default location of the library.
-	_LT_TAGVAR(hardcode_minus_L, $1)=yes
-      fi
-      ;;
-
-    hpux11*)
-      if test yes,no = "$GCC,$with_gnu_ld"; then
-	case $host_cpu in
-	hppa*64*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	ia64*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	esac
-      else
-	case $host_cpu in
-	hppa*64*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	ia64*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	*)
-	m4_if($1, , 
-	  # Older versions of the 11.00 compiler do not understand -b yet
-	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
-	  _LT_LINKER_OPTION(if $CC understands -b,
-	    _LT_TAGVAR(lt_cv_prog_compiler__b, $1), -b,
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags',
-	    _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'),
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags')
-	  ;;
-	esac
-      fi
-      if test no = "$with_gnu_ld"; then
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
-	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
-	case $host_cpu in
-	hppa*64*|ia64*)
-	  _LT_TAGVAR(hardcode_direct, $1)=no
-	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	  ;;
-	*)
-	  _LT_TAGVAR(hardcode_direct, $1)=yes
-	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
-	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-
-	  # hardcode_minus_L: Not really in the search PATH,
-	  # but as the default location of the library.
-	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
-	  ;;
-	esac
-      fi
-      ;;
-
-    irix5* | irix6* | nonstopux*)
-      if test yes = "$GCC"; then
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-	# Try to use the -exported_symbol ld option, if it does not
-	# work, assume that -exports_file does not work either and
-	# implicitly export all symbols.
-	# This should be the same for all languages, so no per-tag cache variable.
-	AC_CACHE_CHECK(whether the $host_os linker accepts -exported_symbol,
-	  lt_cv_irix_exported_symbol,
-	  save_LDFLAGS=$LDFLAGS
-	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
-	   AC_LINK_IFELSE(
-	     AC_LANG_SOURCE(
-	        AC_LANG_CASE(C, int foo (void) { return 0; },
-			      C++, int foo (void) { return 0; },
-			      Fortran 77, 
-      subroutine foo
-      end,
-			      Fortran, 
-      subroutine foo
-      end)),
-	      lt_cv_irix_exported_symbol=yes,
-	      lt_cv_irix_exported_symbol=no)
-           LDFLAGS=$save_LDFLAGS)
-	if test yes = "$lt_cv_irix_exported_symbol"; then
-          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
-	fi
-	_LT_TAGVAR(link_all_deplibs, $1)=no
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
-      fi
-      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-      _LT_TAGVAR(inherit_rpath, $1)=yes
-      _LT_TAGVAR(link_all_deplibs, $1)=yes
-      ;;
-
-    linux*)
-      case $cc_basename in
-      tcc*)
-	# Fabrice Bellard et al's Tiny C Compiler
-	_LT_TAGVAR(ld_shlibs, $1)=yes
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	;;
-      esac
-      ;;
-
-    netbsd* | netbsdelf*-gnu)
-      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
-      fi
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    newsos6)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    *nto* | *qnx*)
-      ;;
-
-    openbsd* | bitrig*)
-      if test -f /usr/libexec/ld.so; then
-	_LT_TAGVAR(hardcode_direct, $1)=yes
-	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
-	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-	else
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-	fi
-      else
-	_LT_TAGVAR(ld_shlibs, $1)=no
-      fi
-      ;;
-
-    os2*)
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-      _LT_TAGVAR(hardcode_minus_L, $1)=yes
-      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-      shrext_cmds=.dll
-      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
-	prefix_cmds="$SED"~
-	if test EXPORTS = "`$SED 1q $export_symbols`"; then
-	  prefix_cmds="$prefix_cmds -e 1d";
-	fi~
-	prefix_cmds="$prefix_cmds -e \"s/^$.*$$/_\1/g\""~
-	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
-	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	emximp -o $lib $output_objdir/$libname.def'
-      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
-      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-      ;;
-
-    osf3*)
-      if test yes = "$GCC"; then
-	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-      else
-	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-      fi
-      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-      ;;
-
-    osf4* | osf5*)	# as osf3* with the addition of -msym flag
-      if test yes = "$GCC"; then
-	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-      else
-	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
-          $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
-
-	# Both c and cxx compiler support -rpath directly
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
-      fi
-      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
-      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-      ;;
-
-    solaris*)
-      _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
-      if test yes = "$GCC"; then
-	wlarc='$wl'
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-          $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
-      else
-	case `$CC -V 2>&1` in
-	*"Compilers 5.0"*)
-	  wlarc=''
-	  _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-            $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
-	  ;;
-	*)
-	  wlarc='$wl'
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
-	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-            $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
-	  ;;
-	esac
-      fi
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      case $host_os in
-      solaris2.0-5 | solaris2.0-5.*) ;;
-      *)
-	# The compiler driver will combine and reorder linker options,
-	# but understands '-z linker_flag'.  GCC discards it without '$wl',
-	# but is careful enough not to reorder.
-	# Supported since Solaris 2.6 (maybe 2.5.1?)
-	if test yes = "$GCC"; then
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
-	else
-	  _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
-	fi
-	;;
-      esac
-      _LT_TAGVAR(link_all_deplibs, $1)=yes
-      ;;
-
-    sunos4*)
-      if test sequent = "$host_vendor"; then
-	# Use $CC to link under sequent, because it throws in some extra .o
-	# files that make .init and .fini sections work.
-	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
-      fi
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-      _LT_TAGVAR(hardcode_direct, $1)=yes
-      _LT_TAGVAR(hardcode_minus_L, $1)=yes
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    sysv4)
-      case $host_vendor in
-	sni)
-	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	  _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
-	;;
-	siemens)
-	  ## LD is ld it makes a PLAMLIB
-	  ## CC just makes a GrossModule.
-	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
-	  _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
-	  _LT_TAGVAR(hardcode_direct, $1)=no
-        ;;
-	motorola)
-	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	  _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
-	;;
-      esac
-      runpath_var='LD_RUN_PATH'
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    sysv4.3*)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
-      ;;
-
-    sysv4*MP*)
-      if test -d /usr/nec; then
-	_LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	runpath_var=LD_RUN_PATH
-	hardcode_runpath_var=yes
-	_LT_TAGVAR(ld_shlibs, $1)=yes
-      fi
-      ;;
-
-    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.01.10* | unixware7* | sco3.2v5.0.024*)
-      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
-      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      runpath_var='LD_RUN_PATH'
-
-      if test yes = "$GCC"; then
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      fi
-      ;;
-
-    sysv5* | sco3.2v5* | sco5v6*)
-      # Note: We CANNOT use -z defs as we might desire, because we do not
-      # link with -lc, and that would cause any symbols used from libc to
-      # always be unresolved, which means just about no library would
-      # ever link correctly.  If we're not using GNU ld we use -z text
-      # though, which does catch some bad symbols but isn't as heavy-handed
-      # as -z defs.
-      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
-      _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
-      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
-      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
-      _LT_TAGVAR(link_all_deplibs, $1)=yes
-      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
-      runpath_var='LD_RUN_PATH'
-
-      if test yes = "$GCC"; then
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      else
-	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-      fi
-      ;;
-
-    uts4*)
-      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
-      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-
-    *)
-      _LT_TAGVAR(ld_shlibs, $1)=no
-      ;;
-    esac
-
-    if test sni = "$host_vendor"; then
-      case $host in
-      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
-	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym'
-	;;
-      esac
-    fi
-  fi
-)
-AC_MSG_RESULT($_LT_TAGVAR(ld_shlibs, $1))
-test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
-
-_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
-
-_LT_DECL(, libext, 0, Old archive suffix (normally "a"))dnl
-_LT_DECL(, shrext_cmds, 1, Shared library suffix (normally ".so"))dnl
-_LT_DECL(, extract_expsyms_cmds, 2,
-    The commands to extract the exported symbol list from a shared archive)
-
-#
-# Do we need to explicitly link libc?
-#
-case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
-x|xyes)
-  # Assume -lc should be added
-  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
-
-  if test yes,yes = "$GCC,$enable_shared"; then
-    case $_LT_TAGVAR(archive_cmds, $1) in
-    *'~'*)
-      # FIXME: we may have to deal with multi-command sequences.
-      ;;
-    '$CC '*)
-      # Test whether the compiler implicitly links with -lc since on some
-      # systems, -lgcc has to come before -lc. If gcc already passes -lc
-      # to ld, don't add -lc before -lgcc.
-      AC_CACHE_CHECK(whether -lc should be explicitly linked in,
-	lt_cv__LT_TAGVAR(archive_cmds_need_lc, $1),
-	$RM conftest*
-	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
-	if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
-	  soname=conftest
-	  lib=conftest
-	  libobjs=conftest.$ac_objext
-	  deplibs=
-	  wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
-	  pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
-	  compiler_flags=-v
-	  linker_flags=-v
-	  verstring=
-	  output_objdir=.
-	  libname=conftest
-	  lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
-	  _LT_TAGVAR(allow_undefined_flag, $1)=
-	  if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
-	  then
-	    lt_cv__LT_TAGVAR(archive_cmds_need_lc, $1)=no
-	  else
-	    lt_cv__LT_TAGVAR(archive_cmds_need_lc, $1)=yes
-	  fi
-	  _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
-	else
-	  cat conftest.err 1>&5
-	fi
-	$RM conftest*
-	)
-      _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv__LT_TAGVAR(archive_cmds_need_lc, $1)
-      ;;
-    esac
-  fi
-  ;;
-esac
-
-_LT_TAGDECL(build_libtool_need_lc, archive_cmds_need_lc, 0,
-    Whether or not to add -lc for building shared libraries)
-_LT_TAGDECL(allow_libtool_libs_with_static_runtimes,
-    enable_shared_with_static_runtimes, 0,
-    Whether or not to disallow shared libs when runtime libs are static)
-_LT_TAGDECL(, export_dynamic_flag_spec, 1,
-    Compiler flag to allow reflexive dlopens)
-_LT_TAGDECL(, whole_archive_flag_spec, 1,
-    Compiler flag to generate shared objects directly from archives)
-_LT_TAGDECL(, compiler_needs_object, 1,
-    Whether the compiler copes with passing no objects directly)
-_LT_TAGDECL(, old_archive_from_new_cmds, 2,
-    Create an old-style archive from a shared archive)
-_LT_TAGDECL(, old_archive_from_expsyms_cmds, 2,
-    Create a temporary old-style archive to link instead of a shared archive)
-_LT_TAGDECL(, archive_cmds, 2, Commands used to build a shared archive)
-_LT_TAGDECL(, archive_expsym_cmds, 2)
-_LT_TAGDECL(, module_cmds, 2,
-    Commands used to build a loadable module if different from building
-    a shared archive.)
-_LT_TAGDECL(, module_expsym_cmds, 2)
-_LT_TAGDECL(, with_gnu_ld, 1,
-    Whether we are building with GNU ld or not)
-_LT_TAGDECL(, allow_undefined_flag, 1,
-    Flag that allows shared libraries with undefined symbols to be built)
-_LT_TAGDECL(, no_undefined_flag, 1,
-    Flag that enforces no undefined symbols)
-_LT_TAGDECL(, hardcode_libdir_flag_spec, 1,
-    Flag to hardcode $libdir into a binary during linking.
-    This must work even if $libdir does not exist)
-_LT_TAGDECL(, hardcode_libdir_separator, 1,
-    Whether we need a single "-rpath" flag with a separated argument)
-_LT_TAGDECL(, hardcode_direct, 0,
-    Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
-    DIR into the resulting binary)
-_LT_TAGDECL(, hardcode_direct_absolute, 0,
-    Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
-    DIR into the resulting binary and the resulting library dependency is
-    "absolute", i.e impossible to change by setting $shlibpath_var if the
-    library is relocated)
-_LT_TAGDECL(, hardcode_minus_L, 0,
-    Set to "yes" if using the -LDIR flag during linking hardcodes DIR
-    into the resulting binary)
-_LT_TAGDECL(, hardcode_shlibpath_var, 0,
-    Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
-    into the resulting binary)
-_LT_TAGDECL(, hardcode_automatic, 0,
-    Set to "yes" if building a shared library automatically hardcodes DIR
-    into the library and all subsequent libraries and executables linked
-    against it)
-_LT_TAGDECL(, inherit_rpath, 0,
-    Set to yes if linker adds runtime paths of dependent libraries
-    to runtime path list)
-_LT_TAGDECL(, link_all_deplibs, 0,
-    Whether libtool must link a program against all its dependency libraries)
-_LT_TAGDECL(, always_export_symbols, 0,
-    Set to "yes" if exported symbols are required)
-_LT_TAGDECL(, export_symbols_cmds, 2,
-    The commands to list exported symbols)
-_LT_TAGDECL(, exclude_expsyms, 1,
-    Symbols that should not be listed in the preloaded symbols)
-_LT_TAGDECL(, include_expsyms, 1,
-    Symbols that must always be exported)
-_LT_TAGDECL(, prelink_cmds, 2,
-    Commands necessary for linking programs (against libraries) with templates)
-_LT_TAGDECL(, postlink_cmds, 2,
-    Commands necessary for finishing linking programs)
-_LT_TAGDECL(, file_list_spec, 1,
-    Specify filename containing input files)
-dnl FIXME: Not yet implemented
-dnl _LT_TAGDECL(, thread_safe_flag_spec, 1,
-dnl    Compiler flag to generate thread safe objects)
-)# _LT_LINKER_SHLIBS
-
-
-# _LT_LANG_C_CONFIG(TAG)
-# ------------------------
-# Ensure that the configuration variables for a C compiler are suitably
-# defined.  These variables are subsequently used by _LT_CONFIG to write
-# the compiler configuration to 'libtool'.
-m4_defun(_LT_LANG_C_CONFIG,
-m4_require(_LT_DECL_EGREP)dnl
-lt_save_CC=$CC
-AC_LANG_PUSH(C)
-
-# Source file extension for C test sources.
-ac_ext=c
-
-# Object file extension for compiled C test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code="int some_variable = 0;"
-
-# Code to be used in simple link tests
-lt_simple_link_test_code='int main(){return(0);}'
-
-_LT_TAG_COMPILER
-# Save the default compiler, since it gets overwritten when the other
-# tags are being tested, and _LT_TAGVAR(compiler, ) is a NOP.
-compiler_DEFAULT=$CC
-
-# save warnings/boilerplate of simple test code
-_LT_COMPILER_BOILERPLATE
-_LT_LINKER_BOILERPLATE
-
-## CAVEAT EMPTOR:
-## There is no encapsulation within the following macros, do not change
-## the running order or otherwise move them around unless you know exactly
-## what you are doing...
-if test -n "$compiler"; then
-  _LT_COMPILER_NO_RTTI($1)
-  _LT_COMPILER_PIC($1)
-  _LT_COMPILER_C_O($1)
-  _LT_COMPILER_FILE_LOCKS($1)
-  _LT_LINKER_SHLIBS($1)
-  _LT_SYS_DYNAMIC_LINKER($1)
-  _LT_LINKER_HARDCODE_LIBPATH($1)
-  LT_SYS_DLOPEN_SELF
-  _LT_CMD_STRIPLIB
-
-  # Report what library types will actually be built
-  AC_MSG_CHECKING(if libtool supports shared libraries)
-  AC_MSG_RESULT($can_build_shared)
-
-  AC_MSG_CHECKING(whether to build shared libraries)
-  test no = "$can_build_shared" && enable_shared=no
-
-  # On AIX, shared libraries and static libraries use the same namespace, and
-  # are all built from PIC.
-  case $host_os in
-  aix3*)
-    test yes = "$enable_shared" && enable_static=no
-    if test -n "$RANLIB"; then
-      archive_cmds="$archive_cmds~\$RANLIB \$lib"
-      postinstall_cmds='$RANLIB $lib'
-    fi
-    ;;
-
-  aix4-9*)
-    if test ia64 != "$host_cpu"; then
-      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
-      yes,aix,yes) ;;			# shared object as lib.so file only
-      yes,svr4,*) ;;			# shared object as lib.so archive member only
-      yes,*) enable_static=no ;;	# shared object in lib.a archive as well
-      esac
-    fi
-    ;;
-  esac
-  AC_MSG_RESULT($enable_shared)
-
-  AC_MSG_CHECKING(whether to build static libraries)
-  # Make sure either enable_shared or enable_static is yes.
-  test yes = "$enable_shared" || enable_static=yes
-  AC_MSG_RESULT($enable_static)
-
-  _LT_CONFIG($1)
-fi
-AC_LANG_POP
-CC=$lt_save_CC
-)# _LT_LANG_C_CONFIG
-
-
-# _LT_LANG_CXX_CONFIG(TAG)
-# --------------------------
-# Ensure that the configuration variables for a C++ compiler are suitably
-# defined.  These variables are subsequently used by _LT_CONFIG to write
-# the compiler configuration to 'libtool'.
-m4_defun(_LT_LANG_CXX_CONFIG,
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-m4_require(_LT_DECL_EGREP)dnl
-m4_require(_LT_PATH_MANIFEST_TOOL)dnl
-if test -n "$CXX" && ( test no != "$CXX" &&
-    ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) ||
-    (test g++ != "$CXX"))); then
-  AC_PROG_CXXCPP
-else
-  _lt_caught_CXX_error=yes
-fi
-
-AC_LANG_PUSH(C++)
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-_LT_TAGVAR(allow_undefined_flag, $1)=
-_LT_TAGVAR(always_export_symbols, $1)=no
-_LT_TAGVAR(archive_expsym_cmds, $1)=
-_LT_TAGVAR(compiler_needs_object, $1)=no
-_LT_TAGVAR(export_dynamic_flag_spec, $1)=
-_LT_TAGVAR(hardcode_direct, $1)=no
-_LT_TAGVAR(hardcode_direct_absolute, $1)=no
-_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_separator, $1)=
-_LT_TAGVAR(hardcode_minus_L, $1)=no
-_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
-_LT_TAGVAR(hardcode_automatic, $1)=no
-_LT_TAGVAR(inherit_rpath, $1)=no
-_LT_TAGVAR(module_cmds, $1)=
-_LT_TAGVAR(module_expsym_cmds, $1)=
-_LT_TAGVAR(link_all_deplibs, $1)=unknown
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(reload_flag, $1)=$reload_flag
-_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
-_LT_TAGVAR(no_undefined_flag, $1)=
-_LT_TAGVAR(whole_archive_flag_spec, $1)=
-_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
-
-# Source file extension for C++ test sources.
-ac_ext=cpp
-
-# Object file extension for compiled C++ test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# No sense in running all these tests if we already determined that
-# the CXX compiler isn't working.  Some variables (like enable_shared)
-# are currently assumed to apply to all compilers on this platform,
-# and will be corrupted by setting them based on a non-working compiler.
-if test yes != "$_lt_caught_CXX_error"; then
-  # Code to be used in simple compile tests
-  lt_simple_compile_test_code="int some_variable = 0;"
-
-  # Code to be used in simple link tests
-  lt_simple_link_test_code='int main(int, char *) { return(0); }'
-
-  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
-  _LT_TAG_COMPILER
-
-  # save warnings/boilerplate of simple test code
-  _LT_COMPILER_BOILERPLATE
-  _LT_LINKER_BOILERPLATE
-
-  # Allow CC to be a program name with arguments.
-  lt_save_CC=$CC
-  lt_save_CFLAGS=$CFLAGS
-  lt_save_LD=$LD
-  lt_save_GCC=$GCC
-  GCC=$GXX
-  lt_save_with_gnu_ld=$with_gnu_ld
-  lt_save_path_LD=$lt_cv_path_LD
-  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
-    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
-  else
-    $as_unset lt_cv_prog_gnu_ld
-  fi
-  if test -n "${lt_cv_path_LDCXX+set}"; then
-    lt_cv_path_LD=$lt_cv_path_LDCXX
-  else
-    $as_unset lt_cv_path_LD
-  fi
-  test -z "${LDCXX+set}" || LD=$LDCXX
-  CC=${CXX-"c++"}
-  CFLAGS=$CXXFLAGS
-  compiler=$CC
-  _LT_TAGVAR(compiler, $1)=$CC
-  _LT_CC_BASENAME($compiler)
-
-  if test -n "$compiler"; then
-    # We don't want -fno-exception when compiling C++ code, so set the
-    # no_builtin_flag separately
-    if test yes = "$GXX"; then
-      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
-    else
-      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
-    fi
-
-    if test yes = "$GXX"; then
-      # Set up default GNU C++ configuration
-
-      LT_PATH_LD
-
-      # Check if GNU C++ uses GNU ld as the underlying linker, since the
-      # archiving commands below assume that GNU ld is being used.
-      if test yes = "$with_gnu_ld"; then
-        _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-
-        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
-
-        # If archive_cmds runs LD, not CC, wlarc should be empty
-        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
-        #     investigate it a little bit more. (MM)
-        wlarc='$wl'
-
-        # ancient GNU ld didn't support --whole-archive et. al.
-        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
-	  $GREP 'no-whole-archive' > /dev/null; then
-          _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
-        else
-          _LT_TAGVAR(whole_archive_flag_spec, $1)=
-        fi
-      else
-        with_gnu_ld=no
-        wlarc=
-
-        # A generic and very simple default shared library creation
-        # command for GNU C++ for the case where it uses the native
-        # linker, instead of GNU ld.  If possible, this setting should
-        # overridden to take advantage of the native linker features on
-        # the platform it is being used on.
-        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
-      fi
-
-      # Commands to make compiler produce verbose output that lists
-      # what "hidden" libraries, object files and flags are used when
-      # linking a shared library.
-      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-
-    else
-      GXX=no
-      with_gnu_ld=no
-      wlarc=
-    fi
-
-    # PORTME: fill in a description of your system's C++ link characteristics
-    AC_MSG_CHECKING(whether the $compiler linker ($LD) supports shared libraries)
-    _LT_TAGVAR(ld_shlibs, $1)=yes
-    case $host_os in
-      aix3*)
-        # FIXME: insert proper C++ library support
-        _LT_TAGVAR(ld_shlibs, $1)=no
-        ;;
-      aix4-9*)
-        if test ia64 = "$host_cpu"; then
-          # On IA64, the linker does run time linking by default, so we don't
-          # have to do anything special.
-          aix_use_runtimelinking=no
-          exp_sym_flag='-Bexport'
-          no_entry_flag=
-        else
-          aix_use_runtimelinking=no
-
-          # Test if we are trying to use run time linking or normal
-          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
-          # have runtime linking enabled, and use it for executables.
-          # For shared libraries, we enable/disable runtime linking
-          # depending on the kind of the shared library created -
-          # when "with_aix_soname,aix_use_runtimelinking" is:
-          # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
-          # "aix,yes"  lib.so          shared, rtl:yes, for executables
-          #            lib.a           static archive
-          # "both,no"  lib.so.V(shr.o) shared, rtl:yes
-          #            lib.a(lib.so.V) shared, rtl:no,  for executables
-          # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
-          #            lib.a(lib.so.V) shared, rtl:no
-          # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
-          #            lib.a           static archive
-          case $host_os in aix4.23|aix4.23.*|aix5-9*)
-	    for ld_flag in $LDFLAGS; do
-	      case $ld_flag in
-	      *-brtl*)
-	        aix_use_runtimelinking=yes
-	        break
-	        ;;
-	      esac
-	    done
-	    if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
-	      # With aix-soname=svr4, we create the lib.so.V shared archives only,
-	      # so we don't have lib.a shared libs to link our executables.
-	      # We have to force runtime linking in this case.
-	      aix_use_runtimelinking=yes
-	      LDFLAGS="$LDFLAGS -Wl,-brtl"
-	    fi
-	    ;;
-          esac
-
-          exp_sym_flag='-bexport'
-          no_entry_flag='-bnoentry'
-        fi
-
-        # When large executables or shared objects are built, AIX ld can
-        # have problems creating the table of contents.  If linking a library
-        # or program results in "error TOC overflow" add -mminimal-toc to
-        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
-        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
-        _LT_TAGVAR(archive_cmds, $1)=''
-        _LT_TAGVAR(hardcode_direct, $1)=yes
-        _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
-        _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
-        _LT_TAGVAR(link_all_deplibs, $1)=yes
-        _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
-        case $with_aix_soname,$aix_use_runtimelinking in
-        aix,*) ;;	# no import file
-        svr4,* | *,yes) # use import file
-          # The Import File defines what to hardcode.
-          _LT_TAGVAR(hardcode_direct, $1)=no
-          _LT_TAGVAR(hardcode_direct_absolute, $1)=no
-          ;;
-        esac
-
-        if test yes = "$GXX"; then
-          case $host_os in aix4.012|aix4.012.*)
-          # We only want to do this on AIX 4.2 and lower, the check
-          # below for broken collect2 doesn't work under 4.3+
-	  collect2name=`$CC -print-prog-name=collect2`
-	  if test -f "$collect2name" &&
-	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
-	  then
-	    # We have reworked collect2
-	    :
-	  else
-	    # We have old collect2
-	    _LT_TAGVAR(hardcode_direct, $1)=unsupported
-	    # It fails to find uninstalled libraries when the uninstalled
-	    # path is not listed in the libpath.  Setting hardcode_minus_L
-	    # to unsupported forces relinking
-	    _LT_TAGVAR(hardcode_minus_L, $1)=yes
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-	    _LT_TAGVAR(hardcode_libdir_separator, $1)=
-	  fi
-          esac
-          shared_flag='-shared'
-	  if test yes = "$aix_use_runtimelinking"; then
-	    shared_flag=$shared_flag' $wl-G'
-	  fi
-	  # Need to ensure runtime linking is disabled for the traditional
-	  # shared library, or the linker may eventually find shared libraries
-	  # /with/ Import File - we do not want to mix them.
-	  shared_flag_aix='-shared'
-	  shared_flag_svr4='-shared $wl-G'
-        else
-          # not using gcc
-          if test ia64 = "$host_cpu"; then
-	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
-	  # chokes on -Wl,-G. The following line is correct:
-	  shared_flag='-G'
-          else
-	    if test yes = "$aix_use_runtimelinking"; then
-	      shared_flag='$wl-G'
-	    else
-	      shared_flag='$wl-bM:SRE'
-	    fi
-	    shared_flag_aix='$wl-bM:SRE'
-	    shared_flag_svr4='$wl-G'
-          fi
-        fi
-
-        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
-        # It seems that -bexpall does not export symbols beginning with
-        # underscore (_), so it is better to generate a list of symbols to
-	# export.
-        _LT_TAGVAR(always_export_symbols, $1)=yes
-	if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
-          # Warning - without using the other runtime loading flags (-brtl),
-          # -berok will link without error, but may produce a broken library.
-          # The "-G" linker flag allows undefined symbols.
-          _LT_TAGVAR(no_undefined_flag, $1)='-bernotok'
-          # Determine the default libpath from the value encoded in an empty
-          # executable.
-          _LT_SYS_MODULE_PATH_AIX($1)
-          _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
-
-          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
-        else
-          if test ia64 = "$host_cpu"; then
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
-	    _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
-	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
-          else
-	    # Determine the default libpath from the value encoded in an
-	    # empty executable.
-	    _LT_SYS_MODULE_PATH_AIX($1)
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
-	    # Warning - without using the other run time loading flags,
-	    # -berok will link without error, but may produce a broken library.
-	    _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
-	    _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
-	    if test yes = "$with_gnu_ld"; then
-	      # We only use this code for GNU lds that support --whole-archive.
-	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
-	    else
-	      # Exported symbols can be pulled into shared objects from archives
-	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
-	    fi
-	    _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
-	    # -brtl affects multiple linker settings, -berok does not and is overridden later
-	    compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\$, \$%-berok\\1%g"`'
-	    if test svr4 != "$with_aix_soname"; then
-	      # This is similar to how AIX traditionally builds its shared
-	      # libraries. Need -bnortl late, we may have -brtl in LDFLAGS.
-	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
-	    fi
-	    if test aix != "$with_aix_soname"; then
-	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
-	    else
-	      # used by -dlpreopen to get the symbols
-	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
-	    fi
-	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
-          fi
-        fi
-        ;;
-
-      beos*)
-	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-	  # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
-	  # support --undefined.  This deserves some investigation.  FIXME
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	else
-	  _LT_TAGVAR(ld_shlibs, $1)=no
-	fi
-	;;
-
-      chorus*)
-        case $cc_basename in
-          *)
-	  # FIXME: insert proper C++ library support
-	  _LT_TAGVAR(ld_shlibs, $1)=no
-	  ;;
-        esac
-        ;;
-
-      cygwin* | mingw* | pw32* | cegcc*)
-	case $GXX,$cc_basename in
-	,cl* | no,cl*)
-	  # Native MSVC
-	  # hardcode_libdir_flag_spec is actually meaningless, as there is
-	  # no search path for DLLs.
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
-	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-	  _LT_TAGVAR(always_export_symbols, $1)=yes
-	  _LT_TAGVAR(file_list_spec, $1)='@'
-	  # Tell ltmain to make .lib files, not .a files.
-	  libext=lib
-	  # Tell ltmain to make .dll files, not .so files.
-	  shrext_cmds=.dll
-	  # FIXME: Setting linknames here is a bad hack.
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
-	  _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P($export_symbols); then
-              cp "$export_symbols" "$output_objdir/$soname.def";
-              echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
-            else
-              $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
-            fi~
-            $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
-            linknames='
-	  # The linker will not automatically build a static lib if we build a DLL.
-	  # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
-	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-	  # Don't use ranlib
-	  _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
-	  _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
-            lt_tool_outputfile="@TOOL_OUTPUT@"~
-            case $lt_outputfile in
-              *.exe|*.EXE) ;;
-              *)
-                lt_outputfile=$lt_outputfile.exe
-                lt_tool_outputfile=$lt_tool_outputfile.exe
-                ;;
-            esac~
-            func_to_tool_file "$lt_outputfile"~
-            if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
-              $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
-              $RM "$lt_outputfile.manifest";
-            fi'
-	  ;;
-	*)
-	  # g++
-	  # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
-	  # as there is no search path for DLLs.
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
-	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-	  _LT_TAGVAR(always_export_symbols, $1)=no
-	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-
-	  if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-	    # If the export-symbols file already is a .def file, use it as
-	    # is; otherwise, prepend EXPORTS...
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P($export_symbols); then
-              cp $export_symbols $output_objdir/$soname.def;
-            else
-              echo EXPORTS > $output_objdir/$soname.def;
-              cat $export_symbols >> $output_objdir/$soname.def;
-            fi~
-            $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-	  else
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	  fi
-	  ;;
-	esac
-	;;
-      darwin* | rhapsody*)
-        _LT_DARWIN_LINKER_FEATURES($1)
-	;;
-
-      os2*)
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-	_LT_TAGVAR(hardcode_minus_L, $1)=yes
-	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
-	shrext_cmds=.dll
-	_LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	  $ECHO EXPORTS >> $output_objdir/$libname.def~
-	  emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
-	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	  emximp -o $lib $output_objdir/$libname.def'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
-	  $ECHO EXPORTS >> $output_objdir/$libname.def~
-	  prefix_cmds="$SED"~
-	  if test EXPORTS = "`$SED 1q $export_symbols`"; then
-	    prefix_cmds="$prefix_cmds -e 1d";
-	  fi~
-	  prefix_cmds="$prefix_cmds -e \"s/^$.*$$/_\1/g\""~
-	  cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
-	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
-	  emximp -o $lib $output_objdir/$libname.def'
-	_LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
-	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-	;;
-
-      dgux*)
-        case $cc_basename in
-          ec++*)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          ghcx*)
-	    # Green Hills C++ Compiler
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          *)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-        esac
-        ;;
-
-      freebsd2.*)
-        # C++ shared libraries reported to be fairly broken before
-	# switch to ELF
-        _LT_TAGVAR(ld_shlibs, $1)=no
-        ;;
-
-      freebsd-elf*)
-        _LT_TAGVAR(archive_cmds_need_lc, $1)=no
-        ;;
-
-      freebsd* | dragonfly*)
-        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
-        # conventions
-        _LT_TAGVAR(ld_shlibs, $1)=yes
-        ;;
-
-      haiku*)
-        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-        _LT_TAGVAR(link_all_deplibs, $1)=yes
-        ;;
-
-      hpux9*)
-        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
-        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-        _LT_TAGVAR(hardcode_direct, $1)=yes
-        _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
-				             # but as the default
-				             # location of the library.
-
-        case $cc_basename in
-          CC*)
-            # FIXME: insert proper C++ library support
-            _LT_TAGVAR(ld_shlibs, $1)=no
-            ;;
-          aCC*)
-            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-            # Commands to make compiler produce verbose output that lists
-            # what "hidden" libraries, object files and flags are used when
-            # linking a shared library.
-            #
-            # There doesn't appear to be a way to prevent this compiler from
-            # explicitly linking system object files so we need to strip them
-            # from the output so that they don't get included in the library
-            # dependencies.
-            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-            ;;
-          *)
-            if test yes = "$GXX"; then
-              _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
-            else
-              # FIXME: insert proper C++ library support
-              _LT_TAGVAR(ld_shlibs, $1)=no
-            fi
-            ;;
-        esac
-        ;;
-
-      hpux10*|hpux11*)
-        if test no = "$with_gnu_ld"; then
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
-	  _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
-          case $host_cpu in
-            hppa*64*|ia64*)
-              ;;
-            *)
-	      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-              ;;
-          esac
-        fi
-        case $host_cpu in
-          hppa*64*|ia64*)
-            _LT_TAGVAR(hardcode_direct, $1)=no
-            _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-            ;;
-          *)
-            _LT_TAGVAR(hardcode_direct, $1)=yes
-            _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
-            _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
-					         # but as the default
-					         # location of the library.
-            ;;
-        esac
-
-        case $cc_basename in
-          CC*)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          aCC*)
-	    case $host_cpu in
-	      hppa*64*)
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	        ;;
-	      ia64*)
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	        ;;
-	      *)
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	        ;;
-	    esac
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-	    ;;
-          *)
-	    if test yes = "$GXX"; then
-	      if test no = "$with_gnu_ld"; then
-	        case $host_cpu in
-	          hppa*64*)
-	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	            ;;
-	          ia64*)
-	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	            ;;
-	          *)
-	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	            ;;
-	        esac
-	      fi
-	    else
-	      # FIXME: insert proper C++ library support
-	      _LT_TAGVAR(ld_shlibs, $1)=no
-	    fi
-	    ;;
-        esac
-        ;;
-
-      interix3-9*)
-	_LT_TAGVAR(hardcode_direct, $1)=no
-	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
-	# Instead, shared libraries are loaded at an image base (0x10000000 by
-	# default) and relocated if they conflict, which is a slow very memory
-	# consuming and fragmenting process.  To avoid this, we pick a random,
-	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
-	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
-	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-	;;
-      irix5* | irix6*)
-        case $cc_basename in
-          CC*)
-	    # SGI C++
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-
-	    # Archives containing C++ object files must be created using
-	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
-	    # necessary to make sure instantiated templates are included
-	    # in the archive.
-	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
-	    ;;
-          *)
-	    if test yes = "$GXX"; then
-	      if test no = "$with_gnu_ld"; then
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-	      else
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib'
-	      fi
-	    fi
-	    _LT_TAGVAR(link_all_deplibs, $1)=yes
-	    ;;
-        esac
-        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-        _LT_TAGVAR(inherit_rpath, $1)=yes
-        ;;
-
-      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
-        case $cc_basename in
-          KCC*)
-	    # Kuck and Associates, Inc. (KAI) C++ Compiler
-
-	    # KCC will only create a shared library if the output file
-	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
-	    # to its proper name (with version) after linking.
-	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/$^()0-9A-Za-z{}$/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/$^()0-9A-Za-z{}$/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib'
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
-
-	    # Archives containing C++ object files must be created using
-	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
-	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
-	    ;;
-	  icpc* | ecpc* )
-	    # Intel C++
-	    with_gnu_ld=yes
-	    # version 8.0 and above of icpc choke on multiply defined symbols
-	    # if we add $predep_objects and $postdep_objects, however 7.1 and
-	    # earlier do not add the objects themselves.
-	    case `$CC -V 2>&1` in
-	      *"Version 7."*)
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-		;;
-	      *)  # Version 8.0 or newer
-	        tmp_idyn=
-	        case $host_cpu in
-		  ia64*) tmp_idyn=' -i_dynamic';;
-		esac
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-		;;
-	    esac
-	    _LT_TAGVAR(archive_cmds_need_lc, $1)=no
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
-	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
-	    ;;
-          pgCC* | pgcpp*)
-            # Portland Group C++ compiler
-	    case `$CC -V` in
-	    *pgCC\ 1-5.* | *pgcpp\ 1-5.*)
-	      _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
-               rm -rf $tpldir~
-               $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
-               compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
-	      _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
-                rm -rf $tpldir~
-                $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
-                $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
-                $RANLIB $oldlib'
-	      _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
-                rm -rf $tpldir~
-                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
-                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-	      _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
-                rm -rf $tpldir~
-                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
-                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-	      ;;
-	    *) # Version 6 and above use weak symbols
-	      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
-	      ;;
-	    esac
-
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir'
-	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
-	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-            ;;
-	  cxx*)
-	    # Compaq C++
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname  -o $lib $wl-retain-symbols-file $wl$export_symbols'
-
-	    runpath_var=LD_RUN_PATH
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
-	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/$^.*ld.*$$ .*ld .*$$/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
-	    ;;
-	  xl* | mpixl* | bgxl*)
-	    # IBM XL 8.0 on PPC, with GNU ld
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-	    if test yes = "$supports_anon_versioning"; then
-	      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
-                cat $export_symbols | sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
-                echo "local: *; };" >> $output_objdir/$libname.ver~
-                $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
-	    fi
-	    ;;
-	  *)
-	    case `$CC -V 2>&1 | sed 5q` in
-	    *Sun\ C*)
-	      # Sun C++ 5.9
-	      _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
-	      _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols'
-	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
-	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
-	      _LT_TAGVAR(compiler_needs_object, $1)=yes
-
-	      # Not sure whether something based on
-	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
-	      # would be better.
-	      output_verbose_link_cmd='func_echo_all'
-
-	      # Archives containing C++ object files must be created using
-	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
-	      # necessary to make sure instantiated templates are included
-	      # in the archive.
-	      _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
-	      ;;
-	    esac
-	    ;;
-	esac
-	;;
-
-      lynxos*)
-        # FIXME: insert proper C++ library support
-	_LT_TAGVAR(ld_shlibs, $1)=no
-	;;
-
-      m88k*)
-        # FIXME: insert proper C++ library support
-        _LT_TAGVAR(ld_shlibs, $1)=no
-	;;
-
-      mvs*)
-        case $cc_basename in
-          cxx*)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-	  *)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-	esac
-	;;
-
-      netbsd*)
-        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-	  _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
-	  wlarc=
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
-	  _LT_TAGVAR(hardcode_direct, $1)=yes
-	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	fi
-	# Workaround some broken pre-1.5 toolchains
-	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
-	;;
-
-      *nto* | *qnx*)
-        _LT_TAGVAR(ld_shlibs, $1)=yes
-	;;
-
-      openbsd* | bitrig*)
-	if test -f /usr/libexec/ld.so; then
-	  _LT_TAGVAR(hardcode_direct, $1)=yes
-	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib'
-	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
-	    _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
-	  fi
-	  output_verbose_link_cmd=func_echo_all
-	else
-	  _LT_TAGVAR(ld_shlibs, $1)=no
-	fi
-	;;
-
-      osf3* | osf4* | osf5*)
-        case $cc_basename in
-          KCC*)
-	    # Kuck and Associates, Inc. (KAI) C++ Compiler
-
-	    # KCC will only create a shared library if the output file
-	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
-	    # to its proper name (with version) after linking.
-	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/$^()0-9A-Za-z{}$/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
-
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
-	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
-	    # Archives containing C++ object files must be created using
-	    # the KAI C++ compiler.
-	    case $host in
-	      osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
-	      *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
-	    esac
-	    ;;
-          RCC*)
-	    # Rational C++ 2.4.1
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          cxx*)
-	    case $host in
-	      osf3*)
-	        _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-		;;
-	      *)
-	        _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
-	        _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
-                  echo "-hidden">> $lib.exp~
-                  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp  `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~
-                  $RM $lib.exp'
-	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
-		;;
-	    esac
-
-	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
-	    # Commands to make compiler produce verbose output that lists
-	    # what "hidden" libraries, object files and flags are used when
-	    # linking a shared library.
-	    #
-	    # There doesn't appear to be a way to prevent this compiler from
-	    # explicitly linking system object files so we need to strip them
-	    # from the output so that they don't get included in the library
-	    # dependencies.
-	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/$^.*ld.*$$ .*ld.*$$/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
-	    ;;
-	  *)
-	    if test yes,no = "$GXX,$with_gnu_ld"; then
-	      _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
-	      case $host in
-	        osf3*)
-	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-		  ;;
-	        *)
-	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
-		  ;;
-	      esac
-
-	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
-	      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
-	      # Commands to make compiler produce verbose output that lists
-	      # what "hidden" libraries, object files and flags are used when
-	      # linking a shared library.
-	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-
-	    else
-	      # FIXME: insert proper C++ library support
-	      _LT_TAGVAR(ld_shlibs, $1)=no
-	    fi
-	    ;;
-        esac
-        ;;
-
-      psos*)
-        # FIXME: insert proper C++ library support
-        _LT_TAGVAR(ld_shlibs, $1)=no
-        ;;
-
-      sunos4*)
-        case $cc_basename in
-          CC*)
-	    # Sun C++ 4.x
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          lcc*)
-	    # Lucid
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          *)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-        esac
-        ;;
-
-      solaris*)
-        case $cc_basename in
-          CC* | sunCC*)
-	    # Sun C++ 4.2, 5.x and Centerline C++
-            _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
-	    _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-              $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
-	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
-	    _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	    case $host_os in
-	      solaris2.0-5 | solaris2.0-5.*) ;;
-	      *)
-		# The compiler driver will combine and reorder linker options,
-		# but understands '-z linker_flag'.
-	        # Supported since Solaris 2.6 (maybe 2.5.1?)
-		_LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
-	        ;;
-	    esac
-	    _LT_TAGVAR(link_all_deplibs, $1)=yes
-
-	    output_verbose_link_cmd='func_echo_all'
-
-	    # Archives containing C++ object files must be created using
-	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
-	    # necessary to make sure instantiated templates are included
-	    # in the archive.
-	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
-	    ;;
-          gcx*)
-	    # Green Hills C++ Compiler
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
-
-	    # The C++ compiler must be used to create the archive.
-	    _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
-	    ;;
-          *)
-	    # GNU C++ compiler with Solaris linker
-	    if test yes,no = "$GXX,$with_gnu_ld"; then
-	      _LT_TAGVAR(no_undefined_flag, $1)=' $wl-z ${wl}defs'
-	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
-	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-                  $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
-	        # Commands to make compiler produce verbose output that lists
-	        # what "hidden" libraries, object files and flags are used when
-	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-	      else
-	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
-	        # platform.
-	        _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
-	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/$.*$/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-                  $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
-	        # Commands to make compiler produce verbose output that lists
-	        # what "hidden" libraries, object files and flags are used when
-	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
-	      fi
-
-	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir'
-	      case $host_os in
-		solaris2.0-5 | solaris2.0-5.*) ;;
-		*)
-		  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
-		  ;;
-	      esac
-	    fi
-	    ;;
-        esac
-        ;;
-
-    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.01.10* | unixware7* | sco3.2v5.0.024*)
-      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
-      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
-      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-      runpath_var='LD_RUN_PATH'
-
-      case $cc_basename in
-        CC*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-	*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	  ;;
-      esac
-      ;;
-
-      sysv5* | sco3.2v5* | sco5v6*)
-	# Note: We CANNOT use -z defs as we might desire, because we do not
-	# link with -lc, and that would cause any symbols used from libc to
-	# always be unresolved, which means just about no library would
-	# ever link correctly.  If we're not using GNU ld we use -z text
-	# though, which does catch some bad symbols but isn't as heavy-handed
-	# as -z defs.
-	_LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
-	_LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
-	_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
-	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
-	_LT_TAGVAR(hardcode_libdir_separator, $1)=':'
-	_LT_TAGVAR(link_all_deplibs, $1)=yes
-	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
-	runpath_var='LD_RUN_PATH'
-
-	case $cc_basename in
-          CC*)
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~
-              '"$_LT_TAGVAR(old_archive_cmds, $1)"
-	    _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~
-              '"$_LT_TAGVAR(reload_cmds, $1)"
-	    ;;
-	  *)
-	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	    ;;
-	esac
-      ;;
-
-      tandem*)
-        case $cc_basename in
-          NCC*)
-	    # NonStop-UX NCC 3.20
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-          *)
-	    # FIXME: insert proper C++ library support
-	    _LT_TAGVAR(ld_shlibs, $1)=no
-	    ;;
-        esac
-        ;;
-
-      vxworks*)
-        # FIXME: insert proper C++ library support
-        _LT_TAGVAR(ld_shlibs, $1)=no
-        ;;
-
-      *)
-        # FIXME: insert proper C++ library support
-        _LT_TAGVAR(ld_shlibs, $1)=no
-        ;;
-    esac
-
-    AC_MSG_RESULT($_LT_TAGVAR(ld_shlibs, $1))
-    test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
-
-    _LT_TAGVAR(GCC, $1)=$GXX
-    _LT_TAGVAR(LD, $1)=$LD
-
-    ## CAVEAT EMPTOR:
-    ## There is no encapsulation within the following macros, do not change
-    ## the running order or otherwise move them around unless you know exactly
-    ## what you are doing...
-    _LT_SYS_HIDDEN_LIBDEPS($1)
-    _LT_COMPILER_PIC($1)
-    _LT_COMPILER_C_O($1)
-    _LT_COMPILER_FILE_LOCKS($1)
-    _LT_LINKER_SHLIBS($1)
-    _LT_SYS_DYNAMIC_LINKER($1)
-    _LT_LINKER_HARDCODE_LIBPATH($1)
-
-    _LT_CONFIG($1)
-  fi # test -n "$compiler"
-
-  CC=$lt_save_CC
-  CFLAGS=$lt_save_CFLAGS
-  LDCXX=$LD
-  LD=$lt_save_LD
-  GCC=$lt_save_GCC
-  with_gnu_ld=$lt_save_with_gnu_ld
-  lt_cv_path_LDCXX=$lt_cv_path_LD
-  lt_cv_path_LD=$lt_save_path_LD
-  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
-  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
-fi # test yes != "$_lt_caught_CXX_error"
-
-AC_LANG_POP
-)# _LT_LANG_CXX_CONFIG
-
-
-# _LT_FUNC_STRIPNAME_CNF
-# ----------------------
-# func_stripname_cnf prefix suffix name
-# strip PREFIX and SUFFIX off of NAME.
-# PREFIX and SUFFIX must not contain globbing or regex special
-# characters, hashes, percent signs, but SUFFIX may contain a leading
-# dot (in which case that matches only a dot).
-#
-# This function is identical to the (non-XSI) version of func_stripname,
-# except this one can be used by m4 code that may be executed by configure,
-# rather than the libtool script.
-m4_defun(_LT_FUNC_STRIPNAME_CNF,dnl
-AC_REQUIRE(_LT_DECL_SED)
-AC_REQUIRE(_LT_PROG_ECHO_BACKSLASH)
-func_stripname_cnf ()
-{
-  case @S|@2 in
-  .*) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%\\\\@S|@2\$%%"`;;
-  *)  func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%@S|@2\$%%"`;;
-  esac
-} # func_stripname_cnf
-)# _LT_FUNC_STRIPNAME_CNF
-
-
-# _LT_SYS_HIDDEN_LIBDEPS(TAGNAME)
-# ---------------------------------
-# Figure out "hidden" library dependencies from verbose
-# compiler output when linking a shared library.
-# Parse the compiler output and extract the necessary
-# objects, libraries and library flags.
-m4_defun(_LT_SYS_HIDDEN_LIBDEPS,
-m4_require(_LT_FILEUTILS_DEFAULTS)dnl
-AC_REQUIRE(_LT_FUNC_STRIPNAME_CNF)dnl
-# Dependencies to place before and after the object being linked:
-_LT_TAGVAR(predep_objects, $1)=
-_LT_TAGVAR(postdep_objects, $1)=
-_LT_TAGVAR(predeps, $1)=
-_LT_TAGVAR(postdeps, $1)=
-_LT_TAGVAR(compiler_lib_search_path, $1)=
-
-dnl we can't use the lt_simple_compile_test_code here,
-dnl because it contains code intended for an executable,
-dnl not a library.  It's possible we should let each
-dnl tag define a new lt_????_link_test_code variable,
-dnl but it's only used here...
-m4_if($1, , cat > conftest.$ac_ext <<_LT_EOF
-int a;
-void foo (void) { a = 0; }
-_LT_EOF
-, $1, CXX, cat > conftest.$ac_ext <<_LT_EOF
-class Foo
-{
-public:
-  Foo (void) { a = 0; }
-private:
-  int a;
-};
-_LT_EOF
-, $1, F77, cat > conftest.$ac_ext <<_LT_EOF
-      subroutine foo
-      implicit none
-      integer*4 a
-      a=0
-      return
-      end
-_LT_EOF
-, $1, FC, cat > conftest.$ac_ext <<_LT_EOF
-      subroutine foo
-      implicit none
-      integer a
-      a=0
-      return
-      end
-_LT_EOF
-, $1, GCJ, cat > conftest.$ac_ext <<_LT_EOF
-public class foo {
-  private int a;
-  public void bar (void) {
-    a = 0;
-  }
-};
-_LT_EOF
-, $1, GO, cat > conftest.$ac_ext <<_LT_EOF
-package foo
-func foo() {
-}
-_LT_EOF
-)
-
-_lt_libdeps_save_CFLAGS=$CFLAGS
-case "$CC $CFLAGS " in #(
-*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
-*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
-*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
-esac
-
-dnl Parse the compiler output and extract the necessary
-dnl objects, libraries and library flags.
-if AC_TRY_EVAL(ac_compile); then
-  # Parse the compiler output and extract the necessary
-  # objects, libraries and library flags.
-
-  # Sentinel used to keep track of whether or not we are before
-  # the conftest object file.
-  pre_test_object_deps_done=no
-
-  for p in `eval "$output_verbose_link_cmd"`; do
-    case $prev$p in
-
-    -L* | -R* | -l*)
-       # Some compilers place space between "-{L,R}" and the path.
-       # Remove the space.
-       if test x-L = "$p" ||
-          test x-R = "$p"; then
-	 prev=$p
-	 continue
-       fi
-
-       # Expand the sysroot to ease extracting the directories later.
-       if test -z "$prev"; then
-         case $p in
-         -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
-         -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
-         -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
-         esac
-       fi
-       case $p in
-       =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
-       esac
-       if test no = "$pre_test_object_deps_done"; then
-	 case $prev in
-	 -L | -R)
-	   # Internal compiler library paths should come after those
-	   # provided the user.  The postdeps already come after the
-	   # user supplied libs so there is no need to process them.
-	   if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
-	     _LT_TAGVAR(compiler_lib_search_path, $1)=$prev$p
-	   else
-	     _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} $prev$p"
-	   fi
-	   ;;
-	 # The "-l" case would never come before the object being
-	 # linked, so don't bother handling this case.
-	 esac
-       else
-	 if test -z "$_LT_TAGVAR(postdeps, $1)"; then
-	   _LT_TAGVAR(postdeps, $1)=$prev$p
-	 else
-	   _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} $prev$p"
-	 fi
-       fi
-       prev=
-       ;;
-
-    *.lto.$objext) ;; # Ignore GCC LTO objects
-    *.$objext)
-       # This assumes that the test object file only shows up
-       # once in the compiler output.
-       if test "$p" = "conftest.$objext"; then
-	 pre_test_object_deps_done=yes
-	 continue
-       fi
-
-       if test no = "$pre_test_object_deps_done"; then
-	 if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
-	   _LT_TAGVAR(predep_objects, $1)=$p
-	 else
-	   _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
-	 fi
-       else
-	 if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
-	   _LT_TAGVAR(postdep_objects, $1)=$p
-	 else
-	   _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
-	 fi
-       fi
-       ;;
-
-    *) ;; # Ignore the rest.
-
-    esac
-  done
-
-  # Clean up.
-  rm -f a.out a.exe
-else
-  echo "libtool.m4: error: problem compiling $1 test program"
-fi
-
-$RM -f confest.$objext
-CFLAGS=$_lt_libdeps_save_CFLAGS
-
-# PORTME: override above test on systems where it is broken
-m4_if($1, CXX,
-case $host_os in
-interix3-9*)
-  # Interix 3.5 installs completely hosed .la files for C++, so rather than
-  # hack all around it, let's just trust "g++" to DTRT.
-  _LT_TAGVAR(predep_objects,$1)=
-  _LT_TAGVAR(postdep_objects,$1)=
-  _LT_TAGVAR(postdeps,$1)=
-  ;;
-esac
-)
-
-case " $_LT_TAGVAR(postdeps, $1) " in
-*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
-esac
- _LT_TAGVAR(compiler_lib_search_dirs, $1)=
-if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
- _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | $SED -e 's! -L! !g' -e 's!^ !!'`
-fi
-_LT_TAGDECL(, compiler_lib_search_dirs, 1,
-    The directories searched by this compiler when creating a shared library)
-_LT_TAGDECL(, predep_objects, 1,
-    Dependencies to place before and after the objects being linked to
-    create a shared library)
-_LT_TAGDECL(, postdep_objects, 1)
-_LT_TAGDECL(, predeps, 1)
-_LT_TAGDECL(, postdeps, 1)
-_LT_TAGDECL(, compiler_lib_search_path, 1,
-    The library search path used internally by the compiler when linking
-    a shared library)
-)# _LT_SYS_HIDDEN_LIBDEPS
-
-
-# _LT_LANG_F77_CONFIG(TAG)
-# --------------------------
-# Ensure that the configuration variables for a Fortran 77 compiler are
-# suitably defined.  These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to 'libtool'.
-m4_defun(_LT_LANG_F77_CONFIG,
-AC_LANG_PUSH(Fortran 77)
-if test -z "$F77" || test no = "$F77"; then
-  _lt_disable_F77=yes
-fi
-
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-_LT_TAGVAR(allow_undefined_flag, $1)=
-_LT_TAGVAR(always_export_symbols, $1)=no
-_LT_TAGVAR(archive_expsym_cmds, $1)=
-_LT_TAGVAR(export_dynamic_flag_spec, $1)=
-_LT_TAGVAR(hardcode_direct, $1)=no
-_LT_TAGVAR(hardcode_direct_absolute, $1)=no
-_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_separator, $1)=
-_LT_TAGVAR(hardcode_minus_L, $1)=no
-_LT_TAGVAR(hardcode_automatic, $1)=no
-_LT_TAGVAR(inherit_rpath, $1)=no
-_LT_TAGVAR(module_cmds, $1)=
-_LT_TAGVAR(module_expsym_cmds, $1)=
-_LT_TAGVAR(link_all_deplibs, $1)=unknown
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(reload_flag, $1)=$reload_flag
-_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
-_LT_TAGVAR(no_undefined_flag, $1)=
-_LT_TAGVAR(whole_archive_flag_spec, $1)=
-_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
-
-# Source file extension for f77 test sources.
-ac_ext=f
-
-# Object file extension for compiled f77 test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# No sense in running all these tests if we already determined that
-# the F77 compiler isn't working.  Some variables (like enable_shared)
-# are currently assumed to apply to all compilers on this platform,
-# and will be corrupted by setting them based on a non-working compiler.
-if test yes != "$_lt_disable_F77"; then
-  # Code to be used in simple compile tests
-  lt_simple_compile_test_code="\
-      subroutine t
-      return
-      end
-"
-
-  # Code to be used in simple link tests
-  lt_simple_link_test_code="\
-      program t
-      end
-"
-
-  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
-  _LT_TAG_COMPILER
-
-  # save warnings/boilerplate of simple test code
-  _LT_COMPILER_BOILERPLATE
-  _LT_LINKER_BOILERPLATE
-
-  # Allow CC to be a program name with arguments.
-  lt_save_CC=$CC
-  lt_save_GCC=$GCC
-  lt_save_CFLAGS=$CFLAGS
-  CC=${F77-"f77"}
-  CFLAGS=$FFLAGS
-  compiler=$CC
-  _LT_TAGVAR(compiler, $1)=$CC
-  _LT_CC_BASENAME($compiler)
-  GCC=$G77
-  if test -n "$compiler"; then
-    AC_MSG_CHECKING(if libtool supports shared libraries)
-    AC_MSG_RESULT($can_build_shared)
-
-    AC_MSG_CHECKING(whether to build shared libraries)
-    test no = "$can_build_shared" && enable_shared=no
-
-    # On AIX, shared libraries and static libraries use the same namespace, and
-    # are all built from PIC.
-    case $host_os in
-      aix3*)
-        test yes = "$enable_shared" && enable_static=no
-        if test -n "$RANLIB"; then
-          archive_cmds="$archive_cmds~\$RANLIB \$lib"
-          postinstall_cmds='$RANLIB $lib'
-        fi
-        ;;
-      aix4-9*)
-	if test ia64 != "$host_cpu"; then
-	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
-	  yes,aix,yes) ;;		# shared object as lib.so file only
-	  yes,svr4,*) ;;		# shared object as lib.so archive member only
-	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
-	  esac
-	fi
-        ;;
-    esac
-    AC_MSG_RESULT($enable_shared)
-
-    AC_MSG_CHECKING(whether to build static libraries)
-    # Make sure either enable_shared or enable_static is yes.
-    test yes = "$enable_shared" || enable_static=yes
-    AC_MSG_RESULT($enable_static)
-
-    _LT_TAGVAR(GCC, $1)=$G77
-    _LT_TAGVAR(LD, $1)=$LD
-
-    ## CAVEAT EMPTOR:
-    ## There is no encapsulation within the following macros, do not change
-    ## the running order or otherwise move them around unless you know exactly
-    ## what you are doing...
-    _LT_COMPILER_PIC($1)
-    _LT_COMPILER_C_O($1)
-    _LT_COMPILER_FILE_LOCKS($1)
-    _LT_LINKER_SHLIBS($1)
-    _LT_SYS_DYNAMIC_LINKER($1)
-    _LT_LINKER_HARDCODE_LIBPATH($1)
-
-    _LT_CONFIG($1)
-  fi # test -n "$compiler"
-
-  GCC=$lt_save_GCC
-  CC=$lt_save_CC
-  CFLAGS=$lt_save_CFLAGS
-fi # test yes != "$_lt_disable_F77"
-
-AC_LANG_POP
-)# _LT_LANG_F77_CONFIG
-
-
-# _LT_LANG_FC_CONFIG(TAG)
-# -------------------------
-# Ensure that the configuration variables for a Fortran compiler are
-# suitably defined.  These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to 'libtool'.
-m4_defun(_LT_LANG_FC_CONFIG,
-AC_LANG_PUSH(Fortran)
-
-if test -z "$FC" || test no = "$FC"; then
-  _lt_disable_FC=yes
-fi
-
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-_LT_TAGVAR(allow_undefined_flag, $1)=
-_LT_TAGVAR(always_export_symbols, $1)=no
-_LT_TAGVAR(archive_expsym_cmds, $1)=
-_LT_TAGVAR(export_dynamic_flag_spec, $1)=
-_LT_TAGVAR(hardcode_direct, $1)=no
-_LT_TAGVAR(hardcode_direct_absolute, $1)=no
-_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_separator, $1)=
-_LT_TAGVAR(hardcode_minus_L, $1)=no
-_LT_TAGVAR(hardcode_automatic, $1)=no
-_LT_TAGVAR(inherit_rpath, $1)=no
-_LT_TAGVAR(module_cmds, $1)=
-_LT_TAGVAR(module_expsym_cmds, $1)=
-_LT_TAGVAR(link_all_deplibs, $1)=unknown
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(reload_flag, $1)=$reload_flag
-_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
-_LT_TAGVAR(no_undefined_flag, $1)=
-_LT_TAGVAR(whole_archive_flag_spec, $1)=
-_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
-
-# Source file extension for fc test sources.
-ac_ext=${ac_fc_srcext-f}
-
-# Object file extension for compiled fc test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# No sense in running all these tests if we already determined that
-# the FC compiler isn't working.  Some variables (like enable_shared)
-# are currently assumed to apply to all compilers on this platform,
-# and will be corrupted by setting them based on a non-working compiler.
-if test yes != "$_lt_disable_FC"; then
-  # Code to be used in simple compile tests
-  lt_simple_compile_test_code="\
-      subroutine t
-      return
-      end
-"
-
-  # Code to be used in simple link tests
-  lt_simple_link_test_code="\
-      program t
-      end
-"
-
-  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
-  _LT_TAG_COMPILER
-
-  # save warnings/boilerplate of simple test code
-  _LT_COMPILER_BOILERPLATE
-  _LT_LINKER_BOILERPLATE
-
-  # Allow CC to be a program name with arguments.
-  lt_save_CC=$CC
-  lt_save_GCC=$GCC
-  lt_save_CFLAGS=$CFLAGS
-  CC=${FC-"f95"}
-  CFLAGS=$FCFLAGS
-  compiler=$CC
-  GCC=$ac_cv_fc_compiler_gnu
-
-  _LT_TAGVAR(compiler, $1)=$CC
-  _LT_CC_BASENAME($compiler)
-
-  if test -n "$compiler"; then
-    AC_MSG_CHECKING(if libtool supports shared libraries)
-    AC_MSG_RESULT($can_build_shared)
-
-    AC_MSG_CHECKING(whether to build shared libraries)
-    test no = "$can_build_shared" && enable_shared=no
-
-    # On AIX, shared libraries and static libraries use the same namespace, and
-    # are all built from PIC.
-    case $host_os in
-      aix3*)
-        test yes = "$enable_shared" && enable_static=no
-        if test -n "$RANLIB"; then
-          archive_cmds="$archive_cmds~\$RANLIB \$lib"
-          postinstall_cmds='$RANLIB $lib'
-        fi
-        ;;
-      aix4-9*)
-	if test ia64 != "$host_cpu"; then
-	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
-	  yes,aix,yes) ;;		# shared object as lib.so file only
-	  yes,svr4,*) ;;		# shared object as lib.so archive member only
-	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
-	  esac
-	fi
-        ;;
-    esac
-    AC_MSG_RESULT($enable_shared)
-
-    AC_MSG_CHECKING(whether to build static libraries)
-    # Make sure either enable_shared or enable_static is yes.
-    test yes = "$enable_shared" || enable_static=yes
-    AC_MSG_RESULT($enable_static)
-
-    _LT_TAGVAR(GCC, $1)=$ac_cv_fc_compiler_gnu
-    _LT_TAGVAR(LD, $1)=$LD
-
-    ## CAVEAT EMPTOR:
-    ## There is no encapsulation within the following macros, do not change
-    ## the running order or otherwise move them around unless you know exactly
-    ## what you are doing...
-    _LT_SYS_HIDDEN_LIBDEPS($1)
-    _LT_COMPILER_PIC($1)
-    _LT_COMPILER_C_O($1)
-    _LT_COMPILER_FILE_LOCKS($1)
-    _LT_LINKER_SHLIBS($1)
-    _LT_SYS_DYNAMIC_LINKER($1)
-    _LT_LINKER_HARDCODE_LIBPATH($1)
-
-    _LT_CONFIG($1)
-  fi # test -n "$compiler"
-
-  GCC=$lt_save_GCC
-  CC=$lt_save_CC
-  CFLAGS=$lt_save_CFLAGS
-fi # test yes != "$_lt_disable_FC"
-
-AC_LANG_POP
-)# _LT_LANG_FC_CONFIG
-
-
-# _LT_LANG_GCJ_CONFIG(TAG)
-# --------------------------
-# Ensure that the configuration variables for the GNU Java Compiler compiler
-# are suitably defined.  These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to 'libtool'.
-m4_defun(_LT_LANG_GCJ_CONFIG,
-AC_REQUIRE(LT_PROG_GCJ)dnl
-AC_LANG_SAVE
-
-# Source file extension for Java test sources.
-ac_ext=java
-
-# Object file extension for compiled Java test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code="class foo {}"
-
-# Code to be used in simple link tests
-lt_simple_link_test_code='public class conftest { public static void main(String argv) {}; }'
-
-# ltmain only uses $CC for tagged configurations so make sure $CC is set.
-_LT_TAG_COMPILER
-
-# save warnings/boilerplate of simple test code
-_LT_COMPILER_BOILERPLATE
-_LT_LINKER_BOILERPLATE
-
-# Allow CC to be a program name with arguments.
-lt_save_CC=$CC
-lt_save_CFLAGS=$CFLAGS
-lt_save_GCC=$GCC
-GCC=yes
-CC=${GCJ-"gcj"}
-CFLAGS=$GCJFLAGS
-compiler=$CC
-_LT_TAGVAR(compiler, $1)=$CC
-_LT_TAGVAR(LD, $1)=$LD
-_LT_CC_BASENAME($compiler)
-
-# GCJ did not exist at the time GCC didn't implicitly link libc in.
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(reload_flag, $1)=$reload_flag
-_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
-
-## CAVEAT EMPTOR:
-## There is no encapsulation within the following macros, do not change
-## the running order or otherwise move them around unless you know exactly
-## what you are doing...
-if test -n "$compiler"; then
-  _LT_COMPILER_NO_RTTI($1)
-  _LT_COMPILER_PIC($1)
-  _LT_COMPILER_C_O($1)
-  _LT_COMPILER_FILE_LOCKS($1)
-  _LT_LINKER_SHLIBS($1)
-  _LT_LINKER_HARDCODE_LIBPATH($1)
-
-  _LT_CONFIG($1)
-fi
-
-AC_LANG_RESTORE
-
-GCC=$lt_save_GCC
-CC=$lt_save_CC
-CFLAGS=$lt_save_CFLAGS
-)# _LT_LANG_GCJ_CONFIG
-
-
-# _LT_LANG_GO_CONFIG(TAG)
-# --------------------------
-# Ensure that the configuration variables for the GNU Go compiler
-# are suitably defined.  These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to 'libtool'.
-m4_defun(_LT_LANG_GO_CONFIG,
-AC_REQUIRE(LT_PROG_GO)dnl
-AC_LANG_SAVE
-
-# Source file extension for Go test sources.
-ac_ext=go
-
-# Object file extension for compiled Go test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code="package main; func main() { }"
-
-# Code to be used in simple link tests
-lt_simple_link_test_code='package main; func main() { }'
-
-# ltmain only uses $CC for tagged configurations so make sure $CC is set.
-_LT_TAG_COMPILER
-
-# save warnings/boilerplate of simple test code
-_LT_COMPILER_BOILERPLATE
-_LT_LINKER_BOILERPLATE
-
-# Allow CC to be a program name with arguments.
-lt_save_CC=$CC
-lt_save_CFLAGS=$CFLAGS
-lt_save_GCC=$GCC
-GCC=yes
-CC=${GOC-"gccgo"}
-CFLAGS=$GOFLAGS
-compiler=$CC
-_LT_TAGVAR(compiler, $1)=$CC
-_LT_TAGVAR(LD, $1)=$LD
-_LT_CC_BASENAME($compiler)
-
-# Go did not exist at the time GCC didn't implicitly link libc in.
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(reload_flag, $1)=$reload_flag
-_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
-
-## CAVEAT EMPTOR:
-## There is no encapsulation within the following macros, do not change
-## the running order or otherwise move them around unless you know exactly
-## what you are doing...
-if test -n "$compiler"; then
-  _LT_COMPILER_NO_RTTI($1)
-  _LT_COMPILER_PIC($1)
-  _LT_COMPILER_C_O($1)
-  _LT_COMPILER_FILE_LOCKS($1)
-  _LT_LINKER_SHLIBS($1)
-  _LT_LINKER_HARDCODE_LIBPATH($1)
-
-  _LT_CONFIG($1)
-fi
-
-AC_LANG_RESTORE
-
-GCC=$lt_save_GCC
-CC=$lt_save_CC
-CFLAGS=$lt_save_CFLAGS
-)# _LT_LANG_GO_CONFIG
-
-
-# _LT_LANG_RC_CONFIG(TAG)
-# -------------------------
-# Ensure that the configuration variables for the Windows resource compiler
-# are suitably defined.  These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to 'libtool'.
-m4_defun(_LT_LANG_RC_CONFIG,
-AC_REQUIRE(LT_PROG_RC)dnl
-AC_LANG_SAVE
-
-# Source file extension for RC test sources.
-ac_ext=rc
-
-# Object file extension for compiled RC test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
-
-# Code to be used in simple link tests
-lt_simple_link_test_code=$lt_simple_compile_test_code
-
-# ltmain only uses $CC for tagged configurations so make sure $CC is set.
-_LT_TAG_COMPILER
-
-# save warnings/boilerplate of simple test code
-_LT_COMPILER_BOILERPLATE
-_LT_LINKER_BOILERPLATE
-
-# Allow CC to be a program name with arguments.
-lt_save_CC=$CC
-lt_save_CFLAGS=$CFLAGS
-lt_save_GCC=$GCC
-GCC=
-CC=${RC-"windres"}
-CFLAGS=
-compiler=$CC
-_LT_TAGVAR(compiler, $1)=$CC
-_LT_CC_BASENAME($compiler)
-_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
-
-if test -n "$compiler"; then
-  :
-  _LT_CONFIG($1)
-fi
-
-GCC=$lt_save_GCC
-AC_LANG_RESTORE
-CC=$lt_save_CC
-CFLAGS=$lt_save_CFLAGS
-)# _LT_LANG_RC_CONFIG
-
-
-# LT_PROG_GCJ
-# -----------
-AC_DEFUN(LT_PROG_GCJ,
-m4_ifdef(AC_PROG_GCJ, AC_PROG_GCJ,
-  m4_ifdef(AM_PROG_GCJ, AM_PROG_GCJ,
-    AC_CHECK_TOOL(GCJ, gcj,)
-      test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2"
-      AC_SUBST(GCJFLAGS)))dnl
-)
-
-# Old name:
-AU_ALIAS(LT_AC_PROG_GCJ, LT_PROG_GCJ)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(LT_AC_PROG_GCJ, )
-
-
-# LT_PROG_GO
-# ----------
-AC_DEFUN(LT_PROG_GO,
-AC_CHECK_TOOL(GOC, gccgo,)
-)
-
-
-# LT_PROG_RC
-# ----------
-AC_DEFUN(LT_PROG_RC,
-AC_CHECK_TOOL(RC, windres,)
-)
-
-# Old name:
-AU_ALIAS(LT_AC_PROG_RC, LT_PROG_RC)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(LT_AC_PROG_RC, )
-
-
-# _LT_DECL_EGREP
-# --------------
-# If we don't have a new enough Autoconf to choose the best grep
-# available, choose the one first in the user's PATH.
-m4_defun(_LT_DECL_EGREP,
-AC_REQUIRE(AC_PROG_EGREP)dnl
-AC_REQUIRE(AC_PROG_FGREP)dnl
-test -z "$GREP" && GREP=grep
-_LT_DECL(, GREP, 1, A grep program that handles long lines)
-_LT_DECL(, EGREP, 1, An ERE matcher)
-_LT_DECL(, FGREP, 1, A literal string matcher)
-dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
-AC_SUBST(GREP)
-)
-
-
-# _LT_DECL_OBJDUMP
-# --------------
-# If we don't have a new enough Autoconf to choose the best objdump
-# available, choose the one first in the user's PATH.
-m4_defun(_LT_DECL_OBJDUMP,
-AC_CHECK_TOOL(OBJDUMP, objdump, false)
-test -z "$OBJDUMP" && OBJDUMP=objdump
-_LT_DECL(, OBJDUMP, 1, An object symbol dumper)
-AC_SUBST(OBJDUMP)
-)
-
-# _LT_DECL_DLLTOOL
-# ----------------
-# Ensure DLLTOOL variable is set.
-m4_defun(_LT_DECL_DLLTOOL,
-AC_CHECK_TOOL(DLLTOOL, dlltool, false)
-test -z "$DLLTOOL" && DLLTOOL=dlltool
-_LT_DECL(, DLLTOOL, 1, DLL creation program)
-AC_SUBST(DLLTOOL)
-)
-
-# _LT_DECL_SED
-# ------------
-# Check for a fully-functional sed program, that truncates
-# as few characters as possible.  Prefer GNU sed if found.
-m4_defun(_LT_DECL_SED,
-AC_PROG_SED
-test -z "$SED" && SED=sed
-Xsed="$SED -e 1s/^X//"
-_LT_DECL(, SED, 1, A sed program that does not truncate output)
-_LT_DECL(, Xsed, "\$SED -e 1s/^X//",
-    Sed that helps us avoid accidentally triggering echo(1) options like -n)
-)# _LT_DECL_SED
-
-m4_ifndef(AC_PROG_SED, 
-############################################################
-# NOTE: This macro has been submitted for inclusion into   #
-#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
-#  a released version of Autoconf we should remove this    #
-#  macro and use it instead.                               #
-############################################################
-
-m4_defun(AC_PROG_SED,
-AC_MSG_CHECKING(for a sed that does not truncate output)
-AC_CACHE_VAL(lt_cv_path_SED,
-# Loop through the user's path and test for sed and gsed.
-# Then use that list of sed's as ones to test for truncation.
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for lt_ac_prog in sed gsed; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
-        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
-      fi
-    done
-  done
-done
-IFS=$as_save_IFS
-lt_ac_max=0
-lt_ac_count=0
-# Add /usr/xpg4/bin/sed as it is typically found on Solaris
-# along with /bin/sed that truncates output.
-for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
-  test ! -f "$lt_ac_sed" && continue
-  cat /dev/null > conftest.in
-  lt_ac_count=0
-  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
-  # Check for GNU sed and select it if it is found.
-  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
-    lt_cv_path_SED=$lt_ac_sed
-    break
-  fi
-  while true; do
-    cat conftest.in conftest.in >conftest.tmp
-    mv conftest.tmp conftest.in
-    cp conftest.in conftest.nl
-    echo >>conftest.nl
-    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
-    cmp -s conftest.out conftest.nl || break
-    # 10000 chars as input seems more than enough
-    test 10 -lt "$lt_ac_count" && break
-    lt_ac_count=`expr $lt_ac_count + 1`
-    if test "$lt_ac_count" -gt "$lt_ac_max"; then
-      lt_ac_max=$lt_ac_count
-      lt_cv_path_SED=$lt_ac_sed
-    fi
-  done
-done
-)
-SED=$lt_cv_path_SED
-AC_SUBST(SED)
-AC_MSG_RESULT($SED)
-)#AC_PROG_SED
-)#m4_ifndef
-
-# Old name:
-AU_ALIAS(LT_AC_PROG_SED, AC_PROG_SED)
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(LT_AC_PROG_SED, )
-
-
-# _LT_CHECK_SHELL_FEATURES
-# ------------------------
-# Find out whether the shell is Bourne or XSI compatible,
-# or has some other useful features.
-m4_defun(_LT_CHECK_SHELL_FEATURES,
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  lt_unset=unset
-else
-  lt_unset=false
-fi
-_LT_DECL(, lt_unset, 0, whether the shell understands "unset")dnl
-
-# test EBCDIC or ASCII
-case `echo X|tr X '\101'` in
- A) # ASCII based system
-    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
-  lt_SP2NL='tr \040 \012'
-  lt_NL2SP='tr \015\012 \040\040'
-  ;;
- *) # EBCDIC based system
-  lt_SP2NL='tr \100 \n'
-  lt_NL2SP='tr \r\n \100\100'
-  ;;
-esac
-_LT_DECL(SP2NL, lt_SP2NL, 1, turn spaces into newlines)dnl
-_LT_DECL(NL2SP, lt_NL2SP, 1, turn newlines into spaces)dnl
-)# _LT_CHECK_SHELL_FEATURES
-
-
-# _LT_PATH_CONVERSION_FUNCTIONS
-# -----------------------------
-# Determine what file name conversion functions should be used by
-# func_to_host_file (and, implicitly, by func_to_host_path).  These are needed
-# for certain cross-compile configurations and native mingw.
-m4_defun(_LT_PATH_CONVERSION_FUNCTIONS,
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-AC_REQUIRE(AC_CANONICAL_BUILD)dnl
-AC_MSG_CHECKING(how to convert $build file names to $host format)
-AC_CACHE_VAL(lt_cv_to_host_file_cmd,
-case $host in
-  *-*-mingw* )
-    case $build in
-      *-*-mingw* ) # actually msys
-        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
-        ;;
-      *-*-cygwin* )
-        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
-        ;;
-      * ) # otherwise, assume *nix
-        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
-        ;;
-    esac
-    ;;
-  *-*-cygwin* )
-    case $build in
-      *-*-mingw* ) # actually msys
-        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
-        ;;
-      *-*-cygwin* )
-        lt_cv_to_host_file_cmd=func_convert_file_noop
-        ;;
-      * ) # otherwise, assume *nix
-        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
-        ;;
-    esac
-    ;;
-  * ) # unhandled hosts (and "normal" native builds)
-    lt_cv_to_host_file_cmd=func_convert_file_noop
-    ;;
-esac
-)
-to_host_file_cmd=$lt_cv_to_host_file_cmd
-AC_MSG_RESULT($lt_cv_to_host_file_cmd)
-_LT_DECL(to_host_file_cmd, lt_cv_to_host_file_cmd,
-         0, convert $build file names to $host format)dnl
-
-AC_MSG_CHECKING(how to convert $build file names to toolchain format)
-AC_CACHE_VAL(lt_cv_to_tool_file_cmd,
-#assume ordinary cross tools, or native build.
-lt_cv_to_tool_file_cmd=func_convert_file_noop
-case $host in
-  *-*-mingw* )
-    case $build in
-      *-*-mingw* ) # actually msys
-        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
-        ;;
-    esac
-    ;;
-esac
-)
-to_tool_file_cmd=$lt_cv_to_tool_file_cmd
-AC_MSG_RESULT($lt_cv_to_tool_file_cmd)
-_LT_DECL(to_tool_file_cmd, lt_cv_to_tool_file_cmd,
-         0, convert $build files to toolchain format)dnl
-)# _LT_PATH_CONVERSION_FUNCTIONS

_service:tar_scm:qpdf-8.4.2.tar.gz/m4/ltoptions.m4 Deleted

@@ -1,437 +0,0 @@
-# Helper functions for option handling.                    -*- Autoconf -*-
-#
-#   Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software
-#   Foundation, Inc.
-#   Written by Gary V. Vaughan, 2004
-#
-# This file is free software; the Free Software Foundation gives
-# unlimited permission to copy and/or distribute it, with or without
-# modifications, as long as this notice is preserved.
-
-# serial 8 ltoptions.m4
-
-# This is to help aclocal find these macros, as it can't see m4_define.
-AC_DEFUN(LTOPTIONS_VERSION, m4_if(1))
-
-
-# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
-# ------------------------------------------
-m4_define(_LT_MANGLE_OPTION,
-_LT_OPTION_m4_bpatsubst($1__$2, ^a-zA-Z0-9_, _))
-
-
-# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
-# ---------------------------------------
-# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
-# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
-# saved as a flag.
-m4_define(_LT_SET_OPTION,
-m4_define(_LT_MANGLE_OPTION($1, $2))dnl
-m4_ifdef(_LT_MANGLE_DEFUN($1, $2),
-        _LT_MANGLE_DEFUN($1, $2),
-    m4_warning(Unknown $1 option '$2'))dnl
-)
-
-
-# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, IF-NOT-SET)
-# ------------------------------------------------------------
-# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
-m4_define(_LT_IF_OPTION,
-m4_ifdef(_LT_MANGLE_OPTION($1, $2), $3, $4))
-
-
-# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
-# -------------------------------------------------------
-# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
-# are set.
-m4_define(_LT_UNLESS_OPTIONS,
-m4_foreach(_LT_Option, m4_split(m4_normalize($2)),
-	    m4_ifdef(_LT_MANGLE_OPTION($1, _LT_Option),
-		      m4_define($0_found)))dnl
-m4_ifdef($0_found, m4_undefine($0_found), $3
-)dnl
-)
-
-
-# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
-# ----------------------------------------
-# OPTION-LIST is a space-separated list of Libtool options associated
-# with MACRO-NAME.  If any OPTION has a matching handler declared with
-# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
-# the unknown option and exit.
-m4_defun(_LT_SET_OPTIONS,
-# Set options
-m4_foreach(_LT_Option, m4_split(m4_normalize($2)),
-    _LT_SET_OPTION($1, _LT_Option))
-
-m4_if($1,LT_INIT,
-  dnl
-  dnl Simply set some default values (i.e off) if boolean options were not
-  dnl specified:
-  _LT_UNLESS_OPTIONS(LT_INIT, dlopen, enable_dlopen=no
-  )
-  _LT_UNLESS_OPTIONS(LT_INIT, win32-dll, enable_win32_dll=no
-  )
-  dnl
-  dnl If no reference was made to various pairs of opposing options, then
-  dnl we run the default mode handler for the pair.  For example, if neither
-  dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
-  dnl archives by default:
-  _LT_UNLESS_OPTIONS(LT_INIT, shared disable-shared, _LT_ENABLE_SHARED)
-  _LT_UNLESS_OPTIONS(LT_INIT, static disable-static, _LT_ENABLE_STATIC)
-  _LT_UNLESS_OPTIONS(LT_INIT, pic-only no-pic, _LT_WITH_PIC)
-  _LT_UNLESS_OPTIONS(LT_INIT, fast-install disable-fast-install,
-		   _LT_ENABLE_FAST_INSTALL)
-  _LT_UNLESS_OPTIONS(LT_INIT, aix-soname=aix aix-soname=both aix-soname=svr4,
-		   _LT_WITH_AIX_SONAME(aix))
-  )
-)# _LT_SET_OPTIONS
-
-
-## --------------------------------- ##
-## Macros to handle LT_INIT options. ##
-## --------------------------------- ##
-
-# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
-# -----------------------------------------
-m4_define(_LT_MANGLE_DEFUN,
-_LT_OPTION_DEFUN_m4_bpatsubst(m4_toupper($1__$2), ^A-Z0-9_, _))
-
-
-# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
-# -----------------------------------------------
-m4_define(LT_OPTION_DEFINE,
-m4_define(_LT_MANGLE_DEFUN($1, $2), $3)dnl
-)# LT_OPTION_DEFINE
-
-
-# dlopen
-# ------
-LT_OPTION_DEFINE(LT_INIT, dlopen, enable_dlopen=yes
-)
-
-AU_DEFUN(AC_LIBTOOL_DLOPEN,
-_LT_SET_OPTION(LT_INIT, dlopen)
-AC_DIAGNOSE(obsolete,
-$0: Remove this warning and the call to _LT_SET_OPTION when you
-put the 'dlopen' option into LT_INIT's first parameter.)
-)
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_DLOPEN, )
-
-
-# win32-dll
-# ---------
-# Declare package support for building win32 dll's.
-LT_OPTION_DEFINE(LT_INIT, win32-dll,
-enable_win32_dll=yes
-
-case $host in
-*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
-  AC_CHECK_TOOL(AS, as, false)
-  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
-  AC_CHECK_TOOL(OBJDUMP, objdump, false)
-  ;;
-esac
-
-test -z "$AS" && AS=as
-_LT_DECL(, AS,      1, Assembler program)dnl
-
-test -z "$DLLTOOL" && DLLTOOL=dlltool
-_LT_DECL(, DLLTOOL, 1, DLL creation program)dnl
-
-test -z "$OBJDUMP" && OBJDUMP=objdump
-_LT_DECL(, OBJDUMP, 1, Object dumper program)dnl
-)# win32-dll
-
-AU_DEFUN(AC_LIBTOOL_WIN32_DLL,
-AC_REQUIRE(AC_CANONICAL_HOST)dnl
-_LT_SET_OPTION(LT_INIT, win32-dll)
-AC_DIAGNOSE(obsolete,
-$0: Remove this warning and the call to _LT_SET_OPTION when you
-put the 'win32-dll' option into LT_INIT's first parameter.)
-)
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_WIN32_DLL, )
-
-
-# _LT_ENABLE_SHARED(DEFAULT)
-# ----------------------------
-# implement the --enable-shared flag, and supports the 'shared' and
-# 'disable-shared' LT_INIT options.
-# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
-m4_define(_LT_ENABLE_SHARED,
-m4_define(_LT_ENABLE_SHARED_DEFAULT, m4_if($1, no, no, yes))dnl
-AC_ARG_ENABLE(shared,
-    AS_HELP_STRING(--enable-shared@<:@=PKGS@:>@,
-	build shared libraries @<:@default=_LT_ENABLE_SHARED_DEFAULT@:>@),
-    p=${PACKAGE-default}
-    case $enableval in
-    yes) enable_shared=yes ;;
-    no) enable_shared=no ;;
-    *)
-      enable_shared=no
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for pkg in $enableval; do
-	IFS=$lt_save_ifs
-	if test "X$pkg" = "X$p"; then
-	  enable_shared=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac,
-    enable_shared=_LT_ENABLE_SHARED_DEFAULT)
-
-    _LT_DECL(build_libtool_libs, enable_shared, 0,
-	Whether or not to build shared libraries)
-)# _LT_ENABLE_SHARED
-
-LT_OPTION_DEFINE(LT_INIT, shared, _LT_ENABLE_SHARED(yes))
-LT_OPTION_DEFINE(LT_INIT, disable-shared, _LT_ENABLE_SHARED(no))
-
-# Old names:
-AC_DEFUN(AC_ENABLE_SHARED,
-_LT_SET_OPTION(LT_INIT, m4_if($1, no, disable-)shared)
-)
-
-AC_DEFUN(AC_DISABLE_SHARED,
-_LT_SET_OPTION(LT_INIT, disable-shared)
-)
-
-AU_DEFUN(AM_ENABLE_SHARED, AC_ENABLE_SHARED($@))
-AU_DEFUN(AM_DISABLE_SHARED, AC_DISABLE_SHARED($@))
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AM_ENABLE_SHARED, )
-dnl AC_DEFUN(AM_DISABLE_SHARED, )
-
-
-
-# _LT_ENABLE_STATIC(DEFAULT)
-# ----------------------------
-# implement the --enable-static flag, and support the 'static' and
-# 'disable-static' LT_INIT options.
-# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
-m4_define(_LT_ENABLE_STATIC,
-m4_define(_LT_ENABLE_STATIC_DEFAULT, m4_if($1, no, no, yes))dnl
-AC_ARG_ENABLE(static,
-    AS_HELP_STRING(--enable-static@<:@=PKGS@:>@,
-	build static libraries @<:@default=_LT_ENABLE_STATIC_DEFAULT@:>@),
-    p=${PACKAGE-default}
-    case $enableval in
-    yes) enable_static=yes ;;
-    no) enable_static=no ;;
-    *)
-     enable_static=no
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for pkg in $enableval; do
-	IFS=$lt_save_ifs
-	if test "X$pkg" = "X$p"; then
-	  enable_static=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac,
-    enable_static=_LT_ENABLE_STATIC_DEFAULT)
-
-    _LT_DECL(build_old_libs, enable_static, 0,
-	Whether or not to build static libraries)
-)# _LT_ENABLE_STATIC
-
-LT_OPTION_DEFINE(LT_INIT, static, _LT_ENABLE_STATIC(yes))
-LT_OPTION_DEFINE(LT_INIT, disable-static, _LT_ENABLE_STATIC(no))
-
-# Old names:
-AC_DEFUN(AC_ENABLE_STATIC,
-_LT_SET_OPTION(LT_INIT, m4_if($1, no, disable-)static)
-)
-
-AC_DEFUN(AC_DISABLE_STATIC,
-_LT_SET_OPTION(LT_INIT, disable-static)
-)
-
-AU_DEFUN(AM_ENABLE_STATIC, AC_ENABLE_STATIC($@))
-AU_DEFUN(AM_DISABLE_STATIC, AC_DISABLE_STATIC($@))
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AM_ENABLE_STATIC, )
-dnl AC_DEFUN(AM_DISABLE_STATIC, )
-
-
-
-# _LT_ENABLE_FAST_INSTALL(DEFAULT)
-# ----------------------------------
-# implement the --enable-fast-install flag, and support the 'fast-install'
-# and 'disable-fast-install' LT_INIT options.
-# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
-m4_define(_LT_ENABLE_FAST_INSTALL,
-m4_define(_LT_ENABLE_FAST_INSTALL_DEFAULT, m4_if($1, no, no, yes))dnl
-AC_ARG_ENABLE(fast-install,
-    AS_HELP_STRING(--enable-fast-install@<:@=PKGS@:>@,
-    optimize for fast installation @<:@default=_LT_ENABLE_FAST_INSTALL_DEFAULT@:>@),
-    p=${PACKAGE-default}
-    case $enableval in
-    yes) enable_fast_install=yes ;;
-    no) enable_fast_install=no ;;
-    *)
-      enable_fast_install=no
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for pkg in $enableval; do
-	IFS=$lt_save_ifs
-	if test "X$pkg" = "X$p"; then
-	  enable_fast_install=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac,
-    enable_fast_install=_LT_ENABLE_FAST_INSTALL_DEFAULT)
-
-_LT_DECL(fast_install, enable_fast_install, 0,
-	 Whether or not to optimize for fast installation)dnl
-)# _LT_ENABLE_FAST_INSTALL
-
-LT_OPTION_DEFINE(LT_INIT, fast-install, _LT_ENABLE_FAST_INSTALL(yes))
-LT_OPTION_DEFINE(LT_INIT, disable-fast-install, _LT_ENABLE_FAST_INSTALL(no))
-
-# Old names:
-AU_DEFUN(AC_ENABLE_FAST_INSTALL,
-_LT_SET_OPTION(LT_INIT, m4_if($1, no, disable-)fast-install)
-AC_DIAGNOSE(obsolete,
-$0: Remove this warning and the call to _LT_SET_OPTION when you put
-the 'fast-install' option into LT_INIT's first parameter.)
-)
-
-AU_DEFUN(AC_DISABLE_FAST_INSTALL,
-_LT_SET_OPTION(LT_INIT, disable-fast-install)
-AC_DIAGNOSE(obsolete,
-$0: Remove this warning and the call to _LT_SET_OPTION when you put
-the 'disable-fast-install' option into LT_INIT's first parameter.)
-)
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_ENABLE_FAST_INSTALL, )
-dnl AC_DEFUN(AM_DISABLE_FAST_INSTALL, )
-
-
-# _LT_WITH_AIX_SONAME(DEFAULT)
-# ----------------------------------
-# implement the --with-aix-soname flag, and support the `aix-soname=aix'
-# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
-# is either `aix', `both' or `svr4'.  If omitted, it defaults to `aix'.
-m4_define(_LT_WITH_AIX_SONAME,
-m4_define(_LT_WITH_AIX_SONAME_DEFAULT, m4_if($1, svr4, svr4, m4_if($1, both, both, aix)))dnl
-shared_archive_member_spec=
-case $host,$enable_shared in
-power*-*-aix5-9*,yes)
-  AC_MSG_CHECKING(which variant of shared library versioning to provide)
-  AC_ARG_WITH(aix-soname,
-    AS_HELP_STRING(--with-aix-soname=aix|svr4|both,
-      shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=_LT_WITH_AIX_SONAME_DEFAULT@:>@.),
-    case $withval in
-    aix|svr4|both)
-      ;;
-    *)
-      AC_MSG_ERROR(Unknown argument to --with-aix-soname)
-      ;;
-    esac
-    lt_cv_with_aix_soname=$with_aix_soname,
-    AC_CACHE_VAL(lt_cv_with_aix_soname,
-      lt_cv_with_aix_soname=_LT_WITH_AIX_SONAME_DEFAULT)
-    with_aix_soname=$lt_cv_with_aix_soname)
-  AC_MSG_RESULT($with_aix_soname)
-  if test aix != "$with_aix_soname"; then
-    # For the AIX way of multilib, we name the shared archive member
-    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
-    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
-    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
-    # the AIX toolchain works better with OBJECT_MODE set (default 32).
-    if test 64 = "${OBJECT_MODE-32}"; then
-      shared_archive_member_spec=shr_64
-    else
-      shared_archive_member_spec=shr
-    fi
-  fi
-  ;;
-*)
-  with_aix_soname=aix
-  ;;
-esac
-
-_LT_DECL(, shared_archive_member_spec, 0,
-    Shared archive member basename, for filename based shared library versioning on AIX)dnl
-)# _LT_WITH_AIX_SONAME
-
-LT_OPTION_DEFINE(LT_INIT, aix-soname=aix, _LT_WITH_AIX_SONAME(aix))
-LT_OPTION_DEFINE(LT_INIT, aix-soname=both, _LT_WITH_AIX_SONAME(both))
-LT_OPTION_DEFINE(LT_INIT, aix-soname=svr4, _LT_WITH_AIX_SONAME(svr4))
-
-
-# _LT_WITH_PIC(MODE)
-# --------------------
-# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
-# LT_INIT options.
-# MODE is either 'yes' or 'no'.  If omitted, it defaults to 'both'.
-m4_define(_LT_WITH_PIC,
-AC_ARG_WITH(pic,
-    AS_HELP_STRING(--with-pic@<:@=PKGS@:>@,
-	try to use only PIC/non-PIC objects @<:@default=use both@:>@),
-    lt_p=${PACKAGE-default}
-    case $withval in
-    yes|no) pic_mode=$withval ;;
-    *)
-      pic_mode=default
-      # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
-      for lt_pkg in $withval; do
-	IFS=$lt_save_ifs
-	if test "X$lt_pkg" = "X$lt_p"; then
-	  pic_mode=yes
-	fi
-      done
-      IFS=$lt_save_ifs
-      ;;
-    esac,
-    pic_mode=m4_default($1, default))
-
-_LT_DECL(, pic_mode, 0, What type of objects to build)dnl
-)# _LT_WITH_PIC
-
-LT_OPTION_DEFINE(LT_INIT, pic-only, _LT_WITH_PIC(yes))
-LT_OPTION_DEFINE(LT_INIT, no-pic, _LT_WITH_PIC(no))
-
-# Old name:
-AU_DEFUN(AC_LIBTOOL_PICMODE,
-_LT_SET_OPTION(LT_INIT, pic-only)
-AC_DIAGNOSE(obsolete,
-$0: Remove this warning and the call to _LT_SET_OPTION when you
-put the 'pic-only' option into LT_INIT's first parameter.)
-)
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN(AC_LIBTOOL_PICMODE, )
-
-## ----------------- ##
-## LTDL_INIT Options ##
-## ----------------- ##
-
-m4_define(_LTDL_MODE, )
-LT_OPTION_DEFINE(LTDL_INIT, nonrecursive,
-		 m4_define(_LTDL_MODE, nonrecursive))
-LT_OPTION_DEFINE(LTDL_INIT, recursive,
-		 m4_define(_LTDL_MODE, recursive))
-LT_OPTION_DEFINE(LTDL_INIT, subproject,
-		 m4_define(_LTDL_MODE, subproject))
-
-m4_define(_LTDL_TYPE, )
-LT_OPTION_DEFINE(LTDL_INIT, installable,
-		 m4_define(_LTDL_TYPE, installable))
-LT_OPTION_DEFINE(LTDL_INIT, convenience,
-		 m4_define(_LTDL_TYPE, convenience))

_service:tar_scm:qpdf-8.4.2.tar.gz/m4/ltsugar.m4 Deleted

@@ -1,124 +0,0 @@
-# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
-#
-# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software
-# Foundation, Inc.
-# Written by Gary V. Vaughan, 2004
-#
-# This file is free software; the Free Software Foundation gives
-# unlimited permission to copy and/or distribute it, with or without
-# modifications, as long as this notice is preserved.
-
-# serial 6 ltsugar.m4
-
-# This is to help aclocal find these macros, as it can't see m4_define.
-AC_DEFUN(LTSUGAR_VERSION, m4_if(0.1))
-
-
-# lt_join(SEP, ARG1, ARG2...)
-# -----------------------------
-# Produce ARG1SEPARG2...SEPARGn, omitting  arguments and their
-# associated separator.
-# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
-# versions in m4sugar had bugs.
-m4_define(lt_join,
-m4_if($#, 1, ,
-       $#, 2, $2,
-       m4_if($2, , , $2_)$0($1, m4_shift(m4_shift($@)))))
-m4_define(_lt_join,
-m4_if($#$2, 2, ,
-       m4_if($2, , , $1$2)$0($1, m4_shift(m4_shift($@)))))
-
-
-# lt_car(LIST)
-# lt_cdr(LIST)
-# ------------
-# Manipulate m4 lists.
-# These macros are necessary as long as will still need to support
-# Autoconf-2.59, which quotes differently.
-m4_define(lt_car, $1)
-m4_define(lt_cdr,
-m4_if($#, 0, m4_fatal($0: cannot be called without arguments),
-       $#, 1, ,
-       m4_dquote(m4_shift($@))))
-m4_define(lt_unquote, $1)
-
-
-# lt_append(MACRO-NAME, STRING, SEPARATOR)
-# ------------------------------------------
-# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
-# Note that neither SEPARATOR nor STRING are expanded; they are appended
-# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
-# No SEPARATOR is output if MACRO-NAME was previously undefined (different
-# than defined and empty).
-#
-# This macro is needed until we can rely on Autoconf 2.62, since earlier
-# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
-m4_define(lt_append,
-m4_define($1,
-	   m4_ifdef($1, m4_defn($1)$3)$2))
-
-
-
-# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, SUFFIX2...)
-# ----------------------------------------------------------
-# Produce a SEP delimited list of all paired combinations of elements of
-# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
-# has the form PREFIXmINFIXSUFFIXn.
-# Needed until we can rely on m4_combine added in Autoconf 2.62.
-m4_define(lt_combine,
-m4_if(m4_eval($# > 3), 1,
-       m4_pushdef(_Lt_sep, m4_define(_Lt_sep, m4_defn(lt_car)))dnl
-m4_foreach(_Lt_prefix, $2,
-	     m4_foreach(_Lt_suffix,
-		m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@))))),
-	_Lt_sep($1)m4_defn(_Lt_prefix)$3m4_defn(_Lt_suffix)))))
-
-
-# lt_if_append_uniq(MACRO-NAME, VARNAME, SEPARATOR, UNIQ, NOT-UNIQ)
-# -----------------------------------------------------------------------
-# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
-# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
-m4_define(lt_if_append_uniq,
-m4_ifdef($1,
-	  m4_if(m4_index($3m4_defn($1)$3, $3$2$3), -1,
-		 lt_append($1, $2, $3)$4,
-		 $5),
-	  lt_append($1, $2, $3)$4))
-
-
-# lt_dict_add(DICT, KEY, VALUE)
-# -----------------------------
-m4_define(lt_dict_add,
-m4_define($1($2), $3))
-
-
-# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
-# --------------------------------------------
-m4_define(lt_dict_add_subkey,
-m4_define($1($2:$3), $4))
-
-
-# lt_dict_fetch(DICT, KEY, SUBKEY)
-# ----------------------------------
-m4_define(lt_dict_fetch,
-m4_ifval($3,
-	m4_ifdef($1($2:$3), m4_defn($1($2:$3))),
-    m4_ifdef($1($2), m4_defn($1($2)))))
-
-
-# lt_if_dict_fetch(DICT, KEY, SUBKEY, VALUE, IF-TRUE, IF-FALSE)
-# -----------------------------------------------------------------
-m4_define(lt_if_dict_fetch,
-m4_if(lt_dict_fetch($1, $2, $3), $4,
-	$5,
-    $6))
-
-
-# lt_dict_filter(DICT, SUBKEY, VALUE, SEPARATOR, KEY, ...)
-# --------------------------------------------------------------
-m4_define(lt_dict_filter,
-m4_if($5, , ,
-  lt_join(m4_quote(m4_default($4, , )),
-           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car(m4_shiftn(4, $@)),
-		      lt_if_dict_fetch($1, _Lt_key, $2, $3, _Lt_key )))))))dnl
-)

_service:tar_scm:qpdf-8.4.2.tar.gz/m4/ltversion.m4 Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/m4/lt~obsolete.m4 Deleted

@@ -1,99 +0,0 @@
-# lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
-#
-#   Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software
-#   Foundation, Inc.
-#   Written by Scott James Remnant, 2004.
-#
-# This file is free software; the Free Software Foundation gives
-# unlimited permission to copy and/or distribute it, with or without
-# modifications, as long as this notice is preserved.
-
-# serial 5 lt~obsolete.m4
-
-# These exist entirely to fool aclocal when bootstrapping libtool.
-#
-# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
-# which have later been changed to m4_define as they aren't part of the
-# exported API, or moved to Autoconf or Automake where they belong.
-#
-# The trouble is, aclocal is a bit thick.  It'll see the old AC_DEFUN
-# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
-# using a macro with the same name in our local m4/libtool.m4 it'll
-# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
-# and doesn't know about Autoconf macros at all.)
-#
-# So we provide this file, which has a silly filename so it's always
-# included after everything else.  This provides aclocal with the
-# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
-# because those macros already exist, or will be overwritten later.
-# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
-#
-# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
-# Yes, that means every name once taken will need to remain here until
-# we give up compatibility with versions before 1.7, at which point
-# we need to keep only those names which we still refer to.
-
-# This is to help aclocal find these macros, as it can't see m4_define.
-AC_DEFUN(LTOBSOLETE_VERSION, m4_if(1))
-
-m4_ifndef(AC_LIBTOOL_LINKER_OPTION,	AC_DEFUN(AC_LIBTOOL_LINKER_OPTION))
-m4_ifndef(AC_PROG_EGREP,		AC_DEFUN(AC_PROG_EGREP))
-m4_ifndef(_LT_AC_PROG_ECHO_BACKSLASH,	AC_DEFUN(_LT_AC_PROG_ECHO_BACKSLASH))
-m4_ifndef(_LT_AC_SHELL_INIT,		AC_DEFUN(_LT_AC_SHELL_INIT))
-m4_ifndef(_LT_AC_SYS_LIBPATH_AIX,	AC_DEFUN(_LT_AC_SYS_LIBPATH_AIX))
-m4_ifndef(_LT_PROG_LTMAIN,		AC_DEFUN(_LT_PROG_LTMAIN))
-m4_ifndef(_LT_AC_TAGVAR,		AC_DEFUN(_LT_AC_TAGVAR))
-m4_ifndef(AC_LTDL_ENABLE_INSTALL,	AC_DEFUN(AC_LTDL_ENABLE_INSTALL))
-m4_ifndef(AC_LTDL_PREOPEN,		AC_DEFUN(AC_LTDL_PREOPEN))
-m4_ifndef(_LT_AC_SYS_COMPILER,	AC_DEFUN(_LT_AC_SYS_COMPILER))
-m4_ifndef(_LT_AC_LOCK,		AC_DEFUN(_LT_AC_LOCK))
-m4_ifndef(AC_LIBTOOL_SYS_OLD_ARCHIVE,	AC_DEFUN(AC_LIBTOOL_SYS_OLD_ARCHIVE))
-m4_ifndef(_LT_AC_TRY_DLOPEN_SELF,	AC_DEFUN(_LT_AC_TRY_DLOPEN_SELF))
-m4_ifndef(AC_LIBTOOL_PROG_CC_C_O,	AC_DEFUN(AC_LIBTOOL_PROG_CC_C_O))
-m4_ifndef(AC_LIBTOOL_SYS_HARD_LINK_LOCKS, AC_DEFUN(AC_LIBTOOL_SYS_HARD_LINK_LOCKS))
-m4_ifndef(AC_LIBTOOL_OBJDIR,		AC_DEFUN(AC_LIBTOOL_OBJDIR))
-m4_ifndef(AC_LTDL_OBJDIR,		AC_DEFUN(AC_LTDL_OBJDIR))
-m4_ifndef(AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH, AC_DEFUN(AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH))
-m4_ifndef(AC_LIBTOOL_SYS_LIB_STRIP,	AC_DEFUN(AC_LIBTOOL_SYS_LIB_STRIP))
-m4_ifndef(AC_PATH_MAGIC,		AC_DEFUN(AC_PATH_MAGIC))
-m4_ifndef(AC_PROG_LD_GNU,		AC_DEFUN(AC_PROG_LD_GNU))
-m4_ifndef(AC_PROG_LD_RELOAD_FLAG,	AC_DEFUN(AC_PROG_LD_RELOAD_FLAG))
-m4_ifndef(AC_DEPLIBS_CHECK_METHOD,	AC_DEFUN(AC_DEPLIBS_CHECK_METHOD))
-m4_ifndef(AC_LIBTOOL_PROG_COMPILER_NO_RTTI, AC_DEFUN(AC_LIBTOOL_PROG_COMPILER_NO_RTTI))
-m4_ifndef(AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE, AC_DEFUN(AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE))
-m4_ifndef(AC_LIBTOOL_PROG_COMPILER_PIC, AC_DEFUN(AC_LIBTOOL_PROG_COMPILER_PIC))
-m4_ifndef(AC_LIBTOOL_PROG_LD_SHLIBS,	AC_DEFUN(AC_LIBTOOL_PROG_LD_SHLIBS))
-m4_ifndef(AC_LIBTOOL_POSTDEP_PREDEP,	AC_DEFUN(AC_LIBTOOL_POSTDEP_PREDEP))
-m4_ifndef(LT_AC_PROG_EGREP,		AC_DEFUN(LT_AC_PROG_EGREP))
-m4_ifndef(LT_AC_PROG_SED,		AC_DEFUN(LT_AC_PROG_SED))
-m4_ifndef(_LT_CC_BASENAME,		AC_DEFUN(_LT_CC_BASENAME))
-m4_ifndef(_LT_COMPILER_BOILERPLATE,	AC_DEFUN(_LT_COMPILER_BOILERPLATE))
-m4_ifndef(_LT_LINKER_BOILERPLATE,	AC_DEFUN(_LT_LINKER_BOILERPLATE))
-m4_ifndef(_AC_PROG_LIBTOOL,		AC_DEFUN(_AC_PROG_LIBTOOL))
-m4_ifndef(AC_LIBTOOL_SETUP,		AC_DEFUN(AC_LIBTOOL_SETUP))
-m4_ifndef(_LT_AC_CHECK_DLFCN,		AC_DEFUN(_LT_AC_CHECK_DLFCN))
-m4_ifndef(AC_LIBTOOL_SYS_DYNAMIC_LINKER,	AC_DEFUN(AC_LIBTOOL_SYS_DYNAMIC_LINKER))
-m4_ifndef(_LT_AC_TAGCONFIG,		AC_DEFUN(_LT_AC_TAGCONFIG))
-m4_ifndef(AC_DISABLE_FAST_INSTALL,	AC_DEFUN(AC_DISABLE_FAST_INSTALL))
-m4_ifndef(_LT_AC_LANG_CXX,		AC_DEFUN(_LT_AC_LANG_CXX))
-m4_ifndef(_LT_AC_LANG_F77,		AC_DEFUN(_LT_AC_LANG_F77))
-m4_ifndef(_LT_AC_LANG_GCJ,		AC_DEFUN(_LT_AC_LANG_GCJ))
-m4_ifndef(AC_LIBTOOL_LANG_C_CONFIG,	AC_DEFUN(AC_LIBTOOL_LANG_C_CONFIG))
-m4_ifndef(_LT_AC_LANG_C_CONFIG,	AC_DEFUN(_LT_AC_LANG_C_CONFIG))
-m4_ifndef(AC_LIBTOOL_LANG_CXX_CONFIG,	AC_DEFUN(AC_LIBTOOL_LANG_CXX_CONFIG))
-m4_ifndef(_LT_AC_LANG_CXX_CONFIG,	AC_DEFUN(_LT_AC_LANG_CXX_CONFIG))
-m4_ifndef(AC_LIBTOOL_LANG_F77_CONFIG,	AC_DEFUN(AC_LIBTOOL_LANG_F77_CONFIG))
-m4_ifndef(_LT_AC_LANG_F77_CONFIG,	AC_DEFUN(_LT_AC_LANG_F77_CONFIG))
-m4_ifndef(AC_LIBTOOL_LANG_GCJ_CONFIG,	AC_DEFUN(AC_LIBTOOL_LANG_GCJ_CONFIG))
-m4_ifndef(_LT_AC_LANG_GCJ_CONFIG,	AC_DEFUN(_LT_AC_LANG_GCJ_CONFIG))
-m4_ifndef(AC_LIBTOOL_LANG_RC_CONFIG,	AC_DEFUN(AC_LIBTOOL_LANG_RC_CONFIG))
-m4_ifndef(_LT_AC_LANG_RC_CONFIG,	AC_DEFUN(_LT_AC_LANG_RC_CONFIG))
-m4_ifndef(AC_LIBTOOL_CONFIG,		AC_DEFUN(AC_LIBTOOL_CONFIG))
-m4_ifndef(_LT_AC_FILE_LTDLL_C,	AC_DEFUN(_LT_AC_FILE_LTDLL_C))
-m4_ifndef(_LT_REQUIRED_DARWIN_CHECKS,	AC_DEFUN(_LT_REQUIRED_DARWIN_CHECKS))
-m4_ifndef(_LT_AC_PROG_CXXCPP,		AC_DEFUN(_LT_AC_PROG_CXXCPP))
-m4_ifndef(_LT_PREPARE_SED_QUOTE_VARS,	AC_DEFUN(_LT_PREPARE_SED_QUOTE_VARS))
-m4_ifndef(_LT_PROG_ECHO_BACKSLASH,	AC_DEFUN(_LT_PROG_ECHO_BACKSLASH))
-m4_ifndef(_LT_PROG_F77,		AC_DEFUN(_LT_PROG_F77))
-m4_ifndef(_LT_PROG_FC,		AC_DEFUN(_LT_PROG_FC))
-m4_ifndef(_LT_PROG_CXX,		AC_DEFUN(_LT_PROG_CXX))

_service:tar_scm:qpdf-8.4.2.tar.gz/make Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/make/gcc-linux.mk Deleted

@@ -1,87 +0,0 @@
-#
-# This file primarily exists for making it possible to test the build
-# system and external library support from Linux.  However, its use is
-# strongly discouraged; use the (default) libtool rules for building
-# on Linux.
-#
-
-# --- Required interface definitions ---
-
-OBJ=o
-LOBJ=o
-
-# Usage: $(call libname,base)
-define libname
-lib$(1).so
-endef
-
-# Usage: $(call binname,base)
-define binname
-$(1)
-endef
-
-# --- Required rule definitions ---
-
-#                       1   2        3
-# Usage: $(call compile,src,includes,xflags)
-define compile
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(3)\
-		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call c_compile,src,includes)
-define c_compile
-	$(CC) $(CPPFLAGS) $(CFLAGS) \
-		$(call depflags,$(basename $(call c_src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call c_src_to_obj,$(1))
-endef
-
-define libcompile
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -fpic \
-		$(call depflags,$(basename $(call src_to_lobj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call src_to_lobj,$(1))
-endef
-define c_libcompile
-	$(CC) $(CPPFLAGS) $(CXXFLAGS) -fpic \
-		$(call depflags,$(basename $(call c_src_to_lobj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call c_src_to_lobj,$(1))
-endef
-
-
-#                        1    2
-# Usage: $(call makeslib,objs,library)
-define makeslib
-	$(RM) $2
-	$(AR) cru $(2) $(1)
-	$(RANLIB) $(2)
-endef
-
-#                       1    2       3       4    5       6        7
-# Usage: $(call makelib,objs,library,ldflags,libs,current,revision,age)
-define makelib
-	$(RM) $(2) $(2).*
-	major=$$(( $(5) - $(7) )); \
-	versuffix=$$major.$(7).$(6); \
-	$(CXX) $(CXXFLAGS) -shared -o $(2).$$versuffix $(1) \
-		-Wl,--soname -Wl,`basename $(2)`.$$major \
-		$(3) $(4) && \
-	ln -s `basename $(2)`.$$versuffix $(2) && \
-	ln -s `basename $(2)`.$$versuffix $(2).$$major
-endef
-
-#                       1    2      3       4
-# Usage: $(call makebin,objs,binary,ldflags,libs)
-define makebin
-	$(CXX) $(CXXFLAGS) $(1) -o $(2) $(LDFLAGS) $(3) $(4)
-endef
-
-# Install target
-
-install: all
-	@echo Automated installation is not supported for buildrules=$(BUILDRULES)

_service:tar_scm:qpdf-8.4.2.tar.gz/make/installwin.mk Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/make/libtool.mk Deleted

@@ -1,136 +0,0 @@
-# --- Required interface definitions ---
-
-# LIBTOOL needs bash
-SHELL=/bin/bash
-
-OBJ=o
-LOBJ=lo
-
-# Usage: $(call libname,base)
-define libname
-lib$(1).la
-endef
-
-# Usage: $(call binname,base)
-define binname
-$(1)
-endef
-
-# --- Private definitions ---
-
-ifeq ($(HAVE_LD_VERSION_SCRIPT), 1)
-LD_VERSION_FLAGS=-Wl,--version-script=libqpdf.map
-else
-LD_VERSION_FLAGS=
-endif
-
-# Usage: $(call libdepflags,$(basename obj))
-# Usage: $(call fixdeps,$(basename obj))
-ifeq ($(GENDEPS),1)
-libdepflags=-MD -MF $(1).tdep -MP
-fixdeps=sed -e 's/\.o:/.lo:/' < $(1).tdep > $(1).dep
-
-else
-libdepflags=
-fixdeps=
-endif
-
-# --- Required rule definitions ---
-
-#                       1   2        3
-# Usage: $(call compile,src,includes,xflags)
-define compile
-	$(CXX) $(CXXFLAGS) $(3) \
-		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		$(CPPFLAGS) \
-		-c $(1) -o $(call src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call c_compile,src,includes)
-define c_compile
-	$(CC) $(CFLAGS) \
-		$(call depflags,$(basename $(call c_src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		$(CPPFLAGS) \
-		-c $(1) -o $(call c_src_to_obj,$(1))
-endef
-
-#                          1   2
-# Usage: $(call libcompile,src,includes)
-define libcompile
-	$(LIBTOOL) --quiet --mode=compile \
-		$(CXX) $(CXXFLAGS) \
-		$(call libdepflags,$(basename $(call src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		$(CPPFLAGS) \
-		-c $(1) -o $(call src_to_obj,$(1)); \
-	$(call fixdeps,$(basename $(call src_to_obj,$(1))))
-endef
-
-#                          1   2
-# Usage: $(call libcompile,src,includes)
-define c_libcompile
-	$(LIBTOOL) --quiet --mode=compile \
-		$(CC) $(CFLAGS) \
-		$(call libdepflags,$(basename $(call c_src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		$(CPPFLAGS) \
-		-c $(1) -o $(call c_src_to_obj,$(1)); \
-	$(call fixdeps,$(basename $(call src_to_obj,$(1))))
-endef
-
-#                        1    2
-# Usage: $(call makeslib,objs,library)
-define makeslib
-	$(RM) $2
-	$(AR) cru $(2) $(1)
-	$(RANLIB) $(2)
-endef
-
-#                       1    2       3       4    5       6        7
-# Usage: $(call makelib,objs,library,ldflags,libs,current,revision,age)
-define makelib
-	$(LIBTOOL) --mode=link \
-		$(CXX) $(CXXFLAGS) $(LD_VERSION_FLAGS) \
-		 -o $(2) $(1) $(3) $(4) \
-		 -rpath $(libdir) -version-info $(5):$(6):$(7) -no-undefined
-endef
-
-#                       1    2      3       4
-# Usage: $(call makebin,objs,binary,ldflags,libs)
-define makebin
-	$(LIBTOOL) --mode=link $(CXX) $(CXXFLAGS) $(1) -o $(2) $(3) $(4)
-endef
-
-# Install target
-
-install: all
-	./mkinstalldirs $(DESTDIR)$(libdir)/pkgconfig
-	./mkinstalldirs $(DESTDIR)$(bindir)
-	./mkinstalldirs $(DESTDIR)$(includedir)/qpdf
-	./mkinstalldirs $(DESTDIR)$(docdir)
-	./mkinstalldirs $(DESTDIR)$(mandir)/man1
-	$(LIBTOOL) --mode=install ./install-sh \
-		libqpdf/$(OUTPUT_DIR)/libqpdf.la \
-		$(DESTDIR)$(libdir)/libqpdf.la
-	$(LIBTOOL) --finish $(DESTDIR)$(libdir)
-	$(LIBTOOL) --mode=install ./install-sh \
-		qpdf/$(OUTPUT_DIR)/qpdf \
-		$(DESTDIR)$(bindir)/qpdf
-	$(LIBTOOL) --mode=install ./install-sh \
-		zlib-flate/$(OUTPUT_DIR)/zlib-flate \
-		$(DESTDIR)$(bindir)/zlib-flate
-	cp qpdf/fix-qdf $(DESTDIR)$(bindir)
-	cp include/qpdf/*.h $(DESTDIR)$(includedir)/qpdf
-	cp include/qpdf/*.hh $(DESTDIR)$(includedir)/qpdf
-	cp doc/stylesheet.css $(DESTDIR)$(docdir)
-	cp libqpdf.pc $(DESTDIR)$(libdir)/pkgconfig
-	if  -f doc/qpdf-manual.html ; then \
-		cp doc/qpdf-manual.html $(DESTDIR)$(docdir); \
-	fi
-	if  -f doc/qpdf-manual.pdf ; then \
-		cp doc/qpdf-manual.pdf $(DESTDIR)$(docdir); \
-	fi
-	cp doc/*.1 $(DESTDIR)$(mandir)/man1

_service:tar_scm:qpdf-8.4.2.tar.gz/make/mingw.mk Deleted

@@ -1,82 +0,0 @@
-# --- Required interface definitions ---
-
-OBJ=o
-LOBJ=o
-
-# Usage: $(call libname,base)
-define libname
-lib$(1).dll.a
-endef
-
-# Usage: $(call binname,base)
-define binname
-$(1).exe
-endef
-
-# --- Required rule definitions ---
-
-#                       1   2        3
-# Usage: $(call compile,src,includes,xflags)
-define compile
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(3) \
-		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call c_compile,src,includes)
-define c_compile
-	$(CC) $(CPPFLAGS) $(CFLAGS) \
-		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call c_src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call libcompile,src,includes)
-define libcompile
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DDLL_EXPORT \
-		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call c_libcompile,src,includes)
-define c_libcompile
-	$(CC) $(CPPFLAGS) $(CFLAGS) -DDLL_EXPORT \
-		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -o $(call c_src_to_obj,$(1))
-endef
-
-#                        1    2
-# Usage: $(call makeslib,objs,library)
-define makeslib
-	$(RM) $2
-	$(AR) cru $(2) $(1)
-	$(RANLIB) $(2)
-endef
-
-#                       1    2       3       4    5       6        7
-# Usage: $(call makelib,objs,library,ldflags,libs,current,revision,age)
-define makelib
-	$(DLLTOOL) -l $(2) -D $$(basename `echo $(2) | sed -e 's,/lib$.*$.dll.a,/\1,'`$(shell expr $(5) - $(7)).dll) $(1); \
-	$(CXX) -shared -o `echo $(2) | sed -e 's,/lib$.*$.dll.a,/\1,'`$(shell expr $(5) - $(7)).dll \
-		$(1) $(3) $(4)
-endef
-
-#                       1    2      3       4
-# Usage: $(call makebin,objs,binary,ldflags,libs)
-define makebin
-	$(CXX) $(CXXFLAGS) $(1) -o $(2) $(3) $(4)
-endef
-
-# Install target
-
-INSTALL_DIR = install-mingw$(WINDOWS_WORDSIZE)
-include make/installwin.mk
-install: installwin
-	$(STRIP) $(DEST)/bin/*.exe
-	$(STRIP) $(DEST)/bin/*.dll

_service:tar_scm:qpdf-8.4.2.tar.gz/make/msvc.mk Deleted

@@ -1,96 +0,0 @@
-# --- Required interface definitions ---
-
-OBJ=obj
-LOBJ=obj
-
-# Usage: $(call libname,base)
-define libname
-$(1).lib
-endef
-
-# Usage: $(call binname,base)
-define binname
-$(1).exe
-endef
-
-# --- Local Changes ---
-
-# Filter out -g
-CFLAGS := $(filter-out -g,$(CFLAGS))
-CXXFLAGS := $(filter-out -g,$(CXXFLAGS))
-
-clean::
-	$(RM) *.pdb
-
-# --- Required rule definitions ---
-
-#                       1   2        3
-# Usage: $(call compile,src,includes,xflags)
-define compile
-	cl -nologo -O2 -Zi -Gy -EHsc -MD -TP -GR $(CPPFLAGS) $(CXXFLAGS) $(3) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -Fo$(call src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call c_compile,src,includes)
-define c_compile
-	cl -nologo -O2 -Zi -Gy -EHsc -MD $(CPPFLAGS) $(CFLAGS) \
-		$(foreach I,$(2),-I$(I)) \
-		-c $(1) -Fo$(call c_src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call libcompile,src,includes)
-define libcompile
-	cl -nologo -O2 -Zi -Gy -EHsc -MD -TP -GR $(CPPFLAGS) $(CXXFLAGS) \
-		-DDLL_EXPORT $(foreach I,$(2),-I$(I)) \
-		-c $(1) -Fo$(call src_to_obj,$(1))
-endef
-
-#                       1   2
-# Usage: $(call c_libcompile,src,includes)
-define c_libcompile
-	cl -nologo -O2 -Zi -Gy -EHsc -MD $(CPPFLAGS) $(CXXFLAGS) \
-		-DDLL_EXPORT $(foreach I,$(2),-I$(I)) \
-		-c $(1) -Fo$(call c_src_to_obj,$(1))
-endef
-
-#                        1    2
-# Usage: $(call makeslib,objs,library)
-define makeslib
-	lib -nologo -OUT:$(2) $(1)
-endef
-
-#                       1    2       3       4    5       6        7
-# Usage: $(call makelib,objs,library,ldflags,libs,current,revision,age)
-define makelib
-	cl -nologo -O2 -Zi -Gy -EHsc -MD -LD -Fe$(basename $(2))$(shell expr $(5) - $(7)).dll $(1) \
-		-link -SUBSYSTEM:CONSOLE,5.01 -incremental:no \
-		$(foreach L,$(subst -L,,$(3)),-LIBPATH:$(L)) \
-		$(foreach L,$(subst -l,,$(4)),$(L).lib)
-	if  -f $(basename $(2))$(shell expr $(5) - $(7)).dll.manifest ; then \
-		mt.exe -nologo -manifest $(basename $(2))$(shell expr $(5) - $(7)).dll.manifest \
-			-outputresource:$(basename $(2))$(shell expr $(5) - $(7)).dll\;2; \
-	fi
-	mv $(basename $(2))$(shell expr $(5) - $(7)).lib $(2)
-endef
-
-#                       1    2      3       4
-# Usage: $(call makebin,objs,binary,ldflags,libs)
-define makebin
-	cl -nologo -O2 -Zi -Gy -EHsc -MD $(1) \
-		-link -SUBSYSTEM:CONSOLE,5.01 -incremental:no -OUT:$(2) \
-		$(foreach L,$(subst -L,,$(3)),-LIBPATH:$(L)) \
-		$(foreach L,$(subst -l,,$(4)),$(L).lib)
-	if  -f $(2).manifest ; then \
-		mt.exe -nologo -manifest $(2).manifest \
-			-outputresource:$(2)\;2; \
-	fi
-endef
-
-# Install target
-
-INSTALL_DIR = install-msvc$(WINDOWS_WORDSIZE)
-include make/installwin.mk
-install: installwin

_service:tar_scm:qpdf-8.4.2.tar.gz/make/proxy.mk Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/make/rules.mk Deleted

@@ -1,65 +0,0 @@
-include make/$(BUILDRULES).mk
-
-define firstelem
-$(word 1,$(subst /, ,$(1)))
-endef
-SPC := $(subst /, ,/)
-define lastelem
-$(subst $(SPC),/,$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1))))
-endef
-define objbase
-$(patsubst %.$(2),%.$(3),$(firstelem)/$(OUTPUT_DIR)/$(lastelem))
-endef
-
-# Usage: $(call src_to_obj,srcs)
-define src_to_obj
-$(foreach F,$(1),$(call objbase,$(F),cc,$(OBJ)))
-endef
-
-# Usage: $(call c_src_to_obj,srcs)
-define c_src_to_obj
-$(foreach F,$(1),$(call objbase,$(F),c,$(OBJ)))
-endef
-
-# Usage: $(call src_to_lobj,srcs)
-define src_to_lobj
-$(foreach F,$(1),$(call objbase,$(F),cc,$(LOBJ)))
-endef
-
-# Usage: $(call c_src_to_lobj,srcs)
-define c_src_to_lobj
-$(foreach F,$(1),$(call objbase,$(F),c,$(LOBJ)))
-endef
-
-# Usage: $(call obj_to_dep,objs)
-define obj_to_dep
-$(patsubst %.$(OBJ),%.dep,$(1))
-endef
-
-# Usage: $(call lobj_to_dep,objs)
-define lobj_to_dep
-$(patsubst %.$(LOBJ),%.dep,$(1))
-endef
-
-# Usage: $(call depflags,$(basename obj))
-ifeq ($(GENDEPS),1)
-depflags=-MD -MF $(1).dep -MP
-else
-depflags=
-endif
-
-# Usage: $(call run_qtest,dir)
-define run_qtest
-	@echo running qtest-driver for $(1)
-	@(cd $(1)/$(OUTPUT_DIR); \
-         if TC_SRCS="$(foreach T,$(TC_SRCS_$(1)),../../$(T))" \
-	 $(QTEST) -bindirs .:.. -datadir ../qtest -covdir .. \
-	        -junit-suffix `basename $(1)`; then \
-	    true; \
-	 else \
-	    if test "$(SHOW_FAILED_TEST_OUTPUT)" = "1"; then \
-	       cat -v qtest.log; \
-	    fi; \
-	    false; \
-	 fi)
-endef

_service:tar_scm:qpdf-8.4.2.tar.gz/make_windows_releases Deleted

@@ -1,58 +0,0 @@
-#!/bin/sh
-
-if  ! -d external-libs ; then
-   echo "Please extract qpdf-external-libs-bin.zip and try again"
-   exit 2
-fi
-
-if echo $PATH | grep -q /mingw64; then
-    wordsize=64
-else
-    wordsize=32
-fi
-
-if  "$wordsize" = 64 ; then
-    if  ! -f win.32 ; then
-        echo "Waiting for win.32 to appear"
-        while  ! -f win.32 ; do
-            sleep 5
-        done
-    fi
-else
-    rm -f win.32 win.64
-    echo ''
-    echo "You may now start $0 in a 64-bit window."
-    echo ''
-    sleep 5
-fi
-
-set -e
-set -x
-cwd=`pwd`
-PATH=$cwd/libqpdf/build:$PATH
-
-for i in msvc mingw; do
-    rm -rf {install,qtest}-$i$wordsize
-    ./config-$i
-    make -j8
-    make -k check || \
-        { mkdir qtest-$i$wordsize; \
-          tar cf - */build/qtest.log | (cd qtest-$i$wordsize; tar xf -) }
-    make install
-    make distclean
-done
-
-touch win.$wordsize
-
-set +x
-
-echo "Finished builds for $wordsize."
-
-if  "$wordsize" = 32 ; then
-  echo "If not done already, rerun this in a "`expr 96 - $wordsize`"-bit environment."
-  echo ''
-else
-  echo 'Running "./make_windows_releases-finish".'
-  echo ''
-  ./make_windows_releases-finish
-fi

_service:tar_scm:qpdf-8.4.2.tar.gz/make_windows_releases-finish Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/Makefile Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/README Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/build.mk Deleted

@@ -1,44 +0,0 @@
-INDOC = manual/qpdf-manual
-OUTDOC = manual/$(OUTPUT_DIR)/qpdf-manual
-
-TARGETS_manual := doc/qpdf.1 doc/fix-qdf.1 doc/zlib-flate.1
-ifeq ($(BUILD_HTML),1)
-TARGETS_manual += doc/qpdf-manual.html
-endif
-ifeq ($(BUILD_PDF),1)
-TARGETS_manual += doc/qpdf-manual.pdf
-endif
-
-VALIDATE=manual/$(OUTPUT_DIR)/validate
-
-ifeq ($(VALIDATE_DOC),1)
-
-$(VALIDATE): $(INDOC).xml
-	$(XMLLINT) --noout --dtdvalid $(DOCBOOKX_DTD) $<
-	touch $(VALIDATE)
-
-else
-
-$(VALIDATE):
-	touch $(VALIDATE)
-
-endif
-
-$(OUTDOC).pdf: $(OUTDOC).fo qpdf/build/qpdf
-	$(FOP) $< -pdf $@.tmp
-	qpdf/build/qpdf --linearize $@.tmp $@
-
-$(OUTDOC).html: $(INDOC).xml manual/html.xsl $(VALIDATE)
-	$(XSLTPROC) --output $@ manual/html.xsl $<
-
-.PRECIOUS: $(OUTDOC).fo
-$(OUTDOC).fo: $(INDOC).xml manual/print.xsl $(VALIDATE)
-	$(XSLTPROC) --output $@ manual/print.xsl $<
-
-doc/%.1: manual/%.1.in
-	sed -e 's:@PACKAGE_VERSION@:$(PACKAGE_VERSION):g' \
-	    -e 's:@docdir@:$(docdir):g' \
-	    < $< > $@
-
-doc/%: manual/$(OUTPUT_DIR)/%
-	cp $< $@

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/common.xsl Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/html.xsl.in Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/print.xsl.in Deleted

@@ -1,69 +0,0 @@
-<?xml version='1.0'?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-                xmlns:fo="http://www.w3.org/1999/XSL/Format"
-                version="1.0">
- <xsl:import href="@DOCBOOK_FO@"/>
- <xsl:import href="common.xsl"/>
- <xsl:param name="local.l10n.xml" select="document('')"/>
- <l:i18n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0">
-  <l:l10n language="en">
-   <l:context name="xref">
-    <l:template name="page.citation" text=", page %p"/>
-   </l:context>
-  </l:l10n>
- </l:i18n>
- 
- 
-
- <xsl:param name="paper.type" select="'USLetter'"/>
- <xsl:param name="insert.xref.page.number" select="'yes'"/>
-
- <xsl:param name="shade.verbatim" select="1"/>
- <xsl:attribute-set name="shade.verbatim.style">
-  <xsl:attribute name="background-color">#F0F0F0</xsl:attribute>
-  <xsl:attribute name="border-width">0.5pt</xsl:attribute>
-  <xsl:attribute name="border-style">solid</xsl:attribute>
-  <xsl:attribute name="border-color">#575757</xsl:attribute>
-  <xsl:attribute name="padding">3pt</xsl:attribute>
- </xsl:attribute-set>
- <xsl:attribute-set name="xref.properties">
-  <xsl:attribute name="color">#00c</xsl:attribute>
- </xsl:attribute-set>
- <fo:page-sequence language="en"/>
- <fo:block hyphenate="true"/>
-
- <xsl:template match="property">
-  <xsl:call-template name="inline.boldseq"/>
- </xsl:template>
- <xsl:template match="classname">
-  <fo:inline font-family="sans-serif" font-weight="bold">
-   <xsl:call-template name="inline.italicseq"/>
-  </fo:inline>
- </xsl:template>
- <xsl:template match="filename">
-  <xsl:call-template name="inline.italicseq"/>
- </xsl:template>
- <xsl:template match="varname">
-  <xsl:call-template name="inline.italicseq"/>
- </xsl:template>
- <xsl:template match="function">
-  <xsl:call-template name="inline.italicseq"/>
- </xsl:template>
- <xsl:template match="envar">
-  <xsl:call-template name="inline.italicseq"/>
- </xsl:template>
- <xsl:template match="type">
-  <xsl:call-template name="inline.monoseq"/>
- </xsl:template>
- <xsl:template match="option">
-  <xsl:call-template name="inline.boldseq"/>
- </xsl:template>
-
-</xsl:stylesheet>

_service:tar_scm:qpdf-8.4.2.tar.gz/manual/qpdf-manual.xml Deleted

@@ -1,7393 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE book 
-<!ENTITY ldquo "&#x201C;">
-<!ENTITY rdquo "&#x201D;">
-<!ENTITY mdash "&#x2014;">
-<!ENTITY ndash "&#x2013;">
-<!ENTITY nbsp "&#xA0;">
-<!ENTITY swversion "8.4.2">
-<!ENTITY lastreleased "May 18, 2019">
->
-<book>
- <bookinfo>
-  <title>QPDF Manual</title>
-  <subtitle>For QPDF Version &swversion;, &lastreleased;</subtitle>
-  <author>
-   <firstname>Jay</firstname><surname>Berkenbilt</surname>
-  </author>
-  <copyright>
-   <year>2005&ndash;2019</year>
-   <holder>Jay Berkenbilt</holder>
-  </copyright>
- </bookinfo>
- <preface id="acknowledgments">
-  <title>General Information</title>
-  <para>
-   QPDF is a program that does structural, content-preserving
-   transformations on PDF files.  QPDF's website is located at <ulink
-   url="http://qpdf.sourceforge.net/">http://qpdf.sourceforge.net/</ulink>.
-   QPDF's source code is hosted on github at <ulink
-   url="https://github.com/qpdf/qpdf">https://github.com/qpdf/qpdf</ulink>.
-  </para>
-  <para>
-   QPDF is licensed under <ulink
-   url="http://www.apache.org/licenses/LICENSE-2.0">the Apache
-   License, Version 2.0</ulink> (the "License"). Unless required by
-   applicable law or agreed to in writing, software distributed under
-   the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
-   OR CONDITIONS OF ANY KIND, either express or implied. See the
-   License for the specific language governing permissions and
-   limitations under the License.
-  </para>
-  <para>
-   Versions of qpdf prior to version 7 were released under the terms
-   of <ulink url="https://opensource.org/licenses/Artistic-2.0">the
-   Artistic License, version 2.0</ulink>. At your option, you may
-   continue to consider qpdf to be licensed under those terms. The
-   Apache License 2.0 permits everything that the Artistic License 2.0
-   permits but is slightly less restrictive. Allowing the Artistic
-   License to continue being used is primary to help people who may
-   have to get specific approval to use qpdf in their products.
-  </para>
-  <para>
-   QPDF is intentionally released with a permissive license. However,
-   if there is some reason that the licensing terms don't work for
-   your requirements, please feel free to contact the copyright holder
-   to make other arrangements.
-  </para>
-  <para>
-   QPDF was originally created in 2001 and modified periodically
-   between 2001 and 2005 during my employment at <ulink
-   url="http://www.apexcovantage.com">Apex CoVantage</ulink>.  Upon my
-   departure from Apex, the company graciously allowed me to take
-   ownership of the software and continue maintaining as an open
-   source project, a decision for which I am very grateful.  I have
-   made considerable enhancements to it since that time.  I feel
-   fortunate to have worked for people who would make such a decision.
-   This work would not have been possible without their support.
-  </para>
- </preface>
- <chapter id="ref.overview">
-  <title>What is QPDF?</title>
-  <para>
-   QPDF is a program that does structural, content-preserving
-   transformations on PDF files.  It could have been called something
-   like <emphasis>pdf-to-pdf</emphasis>.  It also provides many useful
-   capabilities to developers of PDF-producing software or for people
-   who just want to look at the innards of a PDF file to learn more
-   about how they work.
-  </para>
-  <para>
-   With QPDF, it is possible to copy objects from one PDF file into
-   another and to manipulate the list of pages in a PDF file.  This
-   makes it possible to merge and split PDF files.  The QPDF library
-   also makes it possible for you to create PDF files from scratch.
-   In this mode, you are responsible for supplying all the contents of
-   the file, while the QPDF library takes care off all the syntactical
-   representation of the objects, creation of cross references tables
-   and, if you use them, object streams, encryption, linearization,
-   and other syntactic details.  You are still responsible for
-   generating PDF content on your own.
-  </para>
-  <para>
-   QPDF has been designed with very few external dependencies, and it
-   is intentionally very lightweight.  QPDF is
-   <emphasis>not</emphasis> a PDF content creation library, a PDF
-   viewer, or a program capable of converting PDF into other formats.
-   In particular, QPDF knows nothing about the semantics of PDF
-   content streams.  If you are looking for something that can do
-   that, you should look elsewhere.  However, once you have a valid
-   PDF file, QPDF can be used to transform that file in ways perhaps
-   your original PDF creation can't handle.  For example, many
-   programs generate simple PDF files but can't password-protect them,
-   web-optimize them, or perform other transformations of that type.
-  </para>
- </chapter>
- <chapter id="ref.installing">
-  <title>Building and Installing QPDF</title>
-  <para>
-   This chapter describes how to build and install qpdf.  Please see
-   also the <filename>README.md</filename> and
-   <filename>INSTALL</filename> files in the source distribution.
-  </para>
-  <sect1 id="ref.prerequisites">
-   <title>System Requirements</title>
-   <para>
-    The qpdf package has few external dependencies. In order to build
-    qpdf, the following packages are required:
-    <itemizedlist>
-     <listitem>
-      <para>
-       zlib: <ulink url="http://www.zlib.net/">http://www.zlib.net/</ulink>
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       jpeg: <ulink
-       url="http://www.ijg.org/files/">http://www.ijg.org/files/</ulink>
-       or <ulink
-       url="https://libjpeg-turbo.org/">https://libjpeg-turbo.org/</ulink>
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       gnu make 3.81 or newer: <ulink url="http://www.gnu.org/software/make">http://www.gnu.org/software/make</ulink>
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       perl version 5.8 or newer:
-       <ulink url="http://www.perl.org/">http://www.perl.org/</ulink>;
-       required for <command>fix-qdf</command> and the test suite.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       GNU diffutils (any version): <ulink
-       url="http://www.gnu.org/software/diffutils/">http://www.gnu.org/software/diffutils/</ulink>
-       is required to run the test suite.  Note that this is the
-       version of diff present on virtually all GNU/Linux systems.
-       This is required because the test suite uses <command>diff
-       -u</command>.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       A C++ compiler that works well with STL and has the <type>long
-       long</type> type. Most modern C++ compilers should fit the bill
-       fine. QPDF is tested with gcc, clang, and Microsoft Visual C++.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    Part of qpdf's test suite does comparisons of the contents PDF
-    files by converting them images and comparing the images.  The
-    image comparison tests are disabled by default.  Those tests are
-    not required for determining correctness of a qpdf build if you
-    have not modified the code since the test suite also contains
-    expected output files that are compared literally.  The image
-    comparison tests provide an extra check to make sure that any
-    content transformations don't break the rendering of pages.
-    Transformations that affect the content streams themselves are off
-    by default and are only provided to help developers look into the
-    contents of PDF files.  If you are making deep changes to the
-    library that cause changes in the contents of the files that qpdf
-    generates, then you should enable the image comparison tests.
-    Enable them by running <command>configure</command> with the
-    <option>--enable-test-compare-images</option> flag.  If you enable
-    this, the following additional requirements are required by the
-    test suite.  Note that in no case are these items required to use
-    qpdf.
-    <itemizedlist>
-     <listitem>
-      <para>
-       libtiff: <ulink url="http://www.remotesensing.org/libtiff/">http://www.remotesensing.org/libtiff/</ulink>
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       GhostScript version 8.60 or newer: <ulink
-       url="http://www.ghostscript.com">http://www.ghostscript.com</ulink>
-      </para>
-     </listitem>
-    </itemizedlist>
-    If you do not enable this, then you do not need to have tiff and
-    ghostscript.
-   </para>
-   <para>
-    Pre-built documentation is distributed with qpdf, so you should
-    generally not need to rebuild the documentation.  In order to
-    build the documentation from its docbook sources, you need the
-    docbook XML style sheets (<ulink
-    url="http://downloads.sourceforge.net/docbook/">http://downloads.sourceforge.net/docbook/</ulink>).
-    To build the PDF version of the documentation, you need Apache fop
-    (<ulink
-    url="http://xml.apache.org/fop/">http://xml.apache.org/fop/</ulink>)
-    version 0.94 or higher.
-   </para>
-  </sect1>
-  <sect1 id="ref.building">
-   <title>Build Instructions</title>
-   <para>
-    Building qpdf on UNIX is generally just a matter of running
-
-    <programlisting>./configure
-make
-</programlisting>
-    You can also run <command>make check</command> to run the test
-    suite and <command>make install</command> to install.  Please run
-    <command>./configure --help</command> for options on what can be
-    configured.  You can also set the value of
-    <varname>DESTDIR</varname> during installation to install to a
-    temporary location, as is common with many open source packages.
-    Please see also the <filename>README.md</filename> and
-    <filename>INSTALL</filename> files in the source distribution.
-   </para>
-   <para>
-    Building on Windows is a little bit more complicated.  For
-    details, please see <filename>README-windows.md</filename> in the
-    source distribution.  You can also download a binary distribution
-    for Windows.  There is a port of qpdf to Visual C++ version 6 in
-    the <filename>contrib</filename> area generously contributed by
-    Jian Ma.  This is also discussed in more detail in
-    <filename>README-windows.md</filename>.
-   </para>
-   <para>
-    There are some other things you can do with the build.  Although
-    qpdf uses <application>autoconf</application>, it does not use
-    <application>automake</application> but instead uses a
-    hand-crafted non-recursive Makefile that requires gnu make.  If
-    you're really interested, please read the comments in the
-    top-level <filename>Makefile</filename>.
-   </para>
-  </sect1>
-  <sect1 id="ref.packaging">
-   <title>Notes for Packagers</title>
-   <para>
-    If you are packaging qpdf for an operating system distribution,
-    here are some things you may want to keep in mind:
-    <itemizedlist>
-     <listitem>
-      <para>
-       Passing <option>--enable-show-failed-test-output</option> to
-       <command>./configure</command> will cause any failed test
-       output to be written to the console. This can be very useful
-       for seeing test failures generated by autobuilders where you
-       can't access qtest.log after the fact.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       If qpdf's build environment detects the presence of autoconf
-       and related tools, it will check to ensure that automatically
-       generated files are up-to-date with recorded checksums and fail
-       if it detects a discrepancy. This feature is intended to
-       prevent you from accidentally forgetting to regenerate
-       automatic files after modifying their sources. If your
-       packaging environment automatically refreshes automatic files,
-       it can cause this check to fail. Suppress qpdf's checks by
-       passing <option>--disable-check-autofiles</option> to
-       <command>/.configure</command>. This is safe since qpdf's
-       <command>autogen.sh</command> just runs autotools in the normal
-       way.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       QPDF's <command>make install</command> does not install
-       completion files by default, but as a packager, it's good if
-       you install them wherever your distribution expects such files
-       to go. You can find completion files to install in the
-       <filename>completions</filename> directory.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Packagers are encouraged to install the source files from the
-       <filename>examples</filename> directory along with qpdf
-       development packages.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-  </sect1>
- </chapter>
- <chapter id="ref.using">
-  <title>Running QPDF</title>
-  <para>
-   This chapter describes how to run the qpdf program from the command
-   line.
-  </para>
-  <sect1 id="ref.invocation">
-   <title>Basic Invocation</title>
-   <para>
-    When running qpdf, the basic invocation is as follows:
-
-    <programlisting><command>qpdf</command><option>  <replaceable>options</replaceable>  <replaceable>infilename</replaceable>  <replaceable>outfilename</replaceable> </option>
-</programlisting>
-    This converts PDF file <option>infilename</option> to PDF file
-    <option>outfilename</option>.  The output file is functionally
-    identical to the input file but may have been structurally
-    reorganized.  Also, orphaned objects will be removed from the
-    file.  Many transformations are available as controlled by the
-    options below.  In place of <option>infilename</option>, the
-    parameter <option>--empty</option> may be specified.  This causes
-    qpdf to use a dummy input file that contains zero pages.  The only
-    normal use case for using <option>--empty</option> would be if you
-    were going to add pages from another source, as discussed in <xref
-    linkend="ref.page-selection"/>.
-   </para>
-   <para>
-    If <option>@filename</option> appears anywhere in the
-    command-line, it will be read line by line, and each line will be
-    treated as a command-line argument. The <option>@-</option> option
-    allows arguments to be read from standard input. This allows qpdf
-    to be invoked with an arbitrary number of arbitrarily long
-    arguments. It is also very useful for avoiding having to pass
-    passwords on the command line.
-   </para>
-   <para>
-    <option>outfilename</option> does not have to be seekable, even
-    when generating linearized files.  Specifying
-    &ldquo;<option>-</option>&rdquo; as <option>outfilename</option>
-    means to write to standard output.  However, you can't specify the
-    same file as both the input and the output because qpdf reads data
-    from the input file as it writes to the output file. QPDF attempts
-    to detect this case and fail without overwriting the output file.
-   </para>
-   <para>
-    Most options require an output file, but some testing or
-    inspection commands do not.  These are specifically noted.
-   </para>
-  </sect1>
-  <sect1 id="ref.shell-completion">
-   <title>Shell Completion</title>
-   <para>
-    Starting in qpdf version 8.3.0, qpdf provides its own completion
-    support for zsh and bash. You can enable bash completion with
-    <command>eval $(qpdf --completion-bash)</command> and zsh
-    completion with <command>eval $(qpdf --completion-zsh)</command>.
-    If <command>qpdf</command> is not in your path, you should invoke
-    it above with an absolute path. If you invoke it with a relative
-    path, it will warn you, and the completion won't work if you're in
-    a different directory.
-   </para>
-  </sect1>
-  <sect1 id="ref.basic-options">
-   <title>Basic Options</title>
-   <para>
-    The following options are the most common ones and perform
-    commonly needed transformations.
-    <variablelist>
-     <varlistentry>
-      <term><option>--help</option></term>
-      <listitem>
-       <para>
-        Display command-line invocation help.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--version</option></term>
-      <listitem>
-       <para>
-        Display the current version of qpdf.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--copyright</option></term>
-      <listitem>
-       <para>
-        Show detailed copyright information.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--completion-bash</option></term>
-      <listitem>
-       <para>
-        Output a completion command you can eval to enable shell
-        completion from bash.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--completion-zsh</option></term>
-      <listitem>
-       <para>
-        Output a completion command you can eval to enable shell
-        completion from zsh.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--password=password</option></term>
-      <listitem>
-       <para>
-        Specifies a password for accessing encrypted files. Note that
-        you can use <option>@filename</option> or <option>@-</option>
-        as described above to put the password in a file or pass it
-        via standard input so you can avoid specifying it on the
-        command line.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--verbose</option></term>
-      <listitem>
-       <para>
-        Increase verbosity of output. For now, this just prints some
-        indication of any file that it creates.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--progress</option></term>
-      <listitem>
-       <para>
-        Indicate progress while writing files.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--no-warn</option></term>
-      <listitem>
-       <para>
-        Suppress writing of warnings to stderr. If warnings were
-        detected and suppressed, <command>qpdf</command> will still
-        exit with exit code 3.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--linearize</option></term>
-      <listitem>
-       <para>
-        Causes generation of a linearized (web-optimized) output file.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--copy-encryption=file</option></term>
-      <listitem>
-       <para>
-        Encrypt the file using the same encryption parameters,
-        including user and owner password, as the specified file.  Use
-        <option>--encrypt-file-password</option> to specify a password
-        if one is needed to open this file.  Note that copying the
-        encryption parameters from a file also copies the first half
-        of <literal>/ID</literal> from the file since this is part of
-        the encryption parameters.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--encrypt-file-password=password</option></term>
-      <listitem>
-       <para>
-        If the file specified with <option>--copy-encryption</option>
-        requires a password, specify the password using this option.
-        Note that only one of the user or owner password is required.
-        Both passwords will be preserved since QPDF does not
-        distinguish between the two passwords.  It is possible to
-        preserve encryption parameters, including the owner password,
-        from a file even if you don't know the file's owner password.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--encrypt options --</option></term>
-      <listitem>
-       <para>
-        Causes generation an encrypted output file.  Please see <xref
-        linkend="ref.encryption-options"/> for details on how to
-        specify encryption parameters.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--decrypt</option></term>
-      <listitem>
-       <para>
-        Removes any encryption on the file.  A password must be
-        supplied if the file is password protected.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--password-is-hex-key</option></term>
-      <listitem>
-       <para>
-        Overrides the usual computation/retrieval of the PDF file's
-        encryption key from user/owner password with an explicit
-        specification of the encryption key. When this option is
-        specified, the argument to the <option>--password</option>
-        option is interpreted as a hexadecimal-encoded key value. This
-        only applies to the password used to open the main input file.
-        It does not apply to other files opened by
-        <option>--pages</option> or other options or to files being
-        written.
-       </para>
-       <para>
-        Most users will never have a need for this option, and no
-        standard viewers support this mode of operation, but it can be
-        useful for forensic or investigatory purposes. For example, if
-        a PDF file is encrypted with an unknown password, a
-        brute-force attack using the key directly is sometimes more
-        efficient than one using the password. Also, if a file is
-        heavily damaged, it may be possible to derive the encryption
-        key and recover parts of the file using it directly. To expose
-        the encryption key used by an encrypted file that you can open
-        normally, use the <option>--show-encryption-key</option>
-        option.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--suppress-password-recovery</option></term>
-      <listitem>
-       <para>
-        Ordinarily, qpdf attempts to automatically compensate for
-        passwords specified in the wrong character encoding. This
-        option suppresses that behavior. Under normal conditions,
-        there are no reasons to use this option. See <xref
-        linkend="ref.unicode-passwords"/> for a discussion
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--password-mode=<replaceable>mode</replaceable></option></term>
-      <listitem>
-       <para>
-        This option can be used to fine-tune how qpdf interprets
-        Unicode (non-ASCII) password strings passed on the command
-        line. With the exception of the <option>hex-bytes</option>
-        mode, these only apply to passwords provided when encrypting
-        files. The <option>hex-bytes</option> mode also applies to
-        passwords specified for reading files. For additional
-        discussion of the supported password modes and when you might
-        want to use them, see <xref linkend="ref.unicode-passwords"/>.
-        The following modes are supported:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <option>auto</option>: Automatically determine whether the
-           specified password is a properly encoded Unicode (UTF-8)
-           string, and transcode it as required by the PDF spec based
-           on the type encryption being applied. On Windows starting
-           with version 8.4.0, and on almost all other modern
-           platforms, incoming passwords will be properly encoded in
-           UTF-8, so this is almost always what you want.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>unicode</option>: Tells qpdf that the incoming
-           password is UTF-8, overriding whatever its automatic
-           detection determines. The only difference between this mode
-           and <option>auto</option> is that qpdf will fail with an
-           error message if the password is not valid UTF-8 instead of
-           falling back to <option>bytes</option> mode with a warning.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>bytes</option>: Interpret the password as a literal
-           byte string. For non-Windows platforms, this is what
-           versions of qpdf prior to 8.4.0 did. For Windows platforms,
-           there is no way to specify strings of binary data on the
-           command line directly, but you can use the
-           <option>@filename</option> option to do it, in which case
-           this option forces qpdf to respect the string of bytes as
-           provided. This option will allow you to encrypt PDF files
-           with passwords that will not be usable by other readers.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>hex-bytes</option>: Interpret the password as a
-           hex-encoded string. This provides a way to pass binary data
-           as a password on all platforms including Windows. As with
-           <option>bytes</option>, this option may allow creation of
-           files that can't be opened by other readers. This mode
-           affects qpdf's interpretation of passwords specified for
-           decrypting files as well as for encrypting them. It makes
-           it possible to specify strings that are encoded in some
-           manner other than the system's default encoding.
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--rotate=+|-angle:page-range</option></term>
-      <listitem>
-       <para>
-        Apply rotation to specified pages. The
-        <option>page-range</option> portion of the option value has
-        the same format as page ranges in <xref
-        linkend="ref.page-selection"/>. If the page range is omitted,
-        the rotation is applied to all pages. The
-        <option>angle</option> portion of the parameter may be either
-        90, 180, or 270. If preceded by <option>+</option> or
-        <option>-</option>, the angle is added to or subtracted from
-        the specified pages' original rotations. Otherwise the pages'
-        rotations are set to the exact value. For example, the command
-        <command>qpdf in.pdf out.pdf --rotate=+90:2,4,6
-        --rotate=180:7-8</command> would rotate pages 2, 4, and 6 90
-        degrees clockwise from their original rotation and force the
-        rotation of pages 7 through 9 to 180 degrees regardless of
-        their original rotation, and the command <command>qpdf in.pdf
-        out.pdf --rotate=180</command> would rotate all pages by 180
-        degrees.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--keep-files-open=<replaceable>yn</replaceable></option></term>
-      <listitem>
-       <para>
-        This option controls whether qpdf keeps individual files open
-        while merging. Prior to version 8.1.0, qpdf always kept all
-        files open, but this meant that the number of files that could
-        be merged was limited by the operating system's open file
-        limit. Version 8.1.0 opened files as they were referenced and
-        closed them after each read, but this caused a major
-        performance impact. Version 8.2.0 optimized the performance
-        but did so in a way that, for local file systems, there was a
-        small but unavoidable performance hit, but for networked file
-        systems, the performance impact could be very high. Starting
-        with version 8.2.1, the default behavior is that files are
-        kept open if no more than 200 files are specified, but that
-        the behavior can be explicitly overridden with the
-        <option>--keep-files-open</option> flag. If you are merging
-        more than 200 files but less than the operating system's max
-        open files limit, you may want to use
-        <option>--keep-files-open=y</option>, especially if working
-        over a networked file system. If you are using a local file
-        system where the overhead is low and you might sometimes merge
-        more than the OS limit's number of files from a script and are
-        not worried about a few seconds additional processing time,
-        you may want to specify <option>--keep-files-open=n</option>.
-        The threshold for switching may be changed from the default
-        200 with the <option>--keep-files-open-threshold</option>
-        option.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--keep-files-open-threshold=<replaceable>count</replaceable></option></term>
-      <listitem>
-       <para>
-        If specified, overrides the default value of 200 used as the
-        threshold for qpdf deciding whether or not to keep files open.
-        See <option>--keep-files-open</option> for details.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--pages options --</option></term>
-      <listitem>
-       <para>
-        Select specific pages from one or more input files.  See <xref
-        linkend="ref.page-selection"/> for details on how to do page
-        selection (splitting and merging).
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--collate</option></term>
-      <listitem>
-       <para>
-        When specified, collate rather than concatenate pages from
-        files specified with <option>--pages</option>.  See <xref
-        linkend="ref.page-selection"/> for additional details.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--split-pages=n</option></term>
-      <listitem>
-       <para>
-        Write each group of <option>n</option> pages to a separate
-        output file. If <option>n</option> is not specified, create
-        single pages. Output file names are generated as follows:
-        <itemizedlist>
-         <listitem>
-          <para>
-           If the string <literal>%d</literal> appears in the output
-           file name, it is replaced with a range of zero-padded page
-           numbers starting from 1.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Otherwise, if the output file name ends in
-           <filename>.pdf</filename> (case insensitive), a zero-padded
-           page range, preceded by a dash, is inserted before the file
-           extension.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Otherwise, the file name is appended with a zero-padded
-           page range preceded by a dash.
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-       <para>
-        Page ranges are a single number in the case of single-page
-        groups or two numbers separated by a dash otherwise.
-        For example, if <filename>infile.pdf</filename> has 12 pages
-        <itemizedlist>
-         <listitem>
-          <para>
-           <command>qpdf --split-pages infile.pdf %d-out</command>
-           would generate files <filename>01-out</filename> through
-           <filename>12-out</filename>
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <command>qpdf --split-pages=2 infile.pdf
-           outfile.pdf</command> would generate files
-           <filename>outfile-01-02.pdf</filename> through
-           <filename>outfile-11-12.pdf</filename>
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <command>qpdf --split-pages infile.pdf
-           something.else</command> would generate files
-           <filename>something.else-01</filename> through
-           <filename>something.else-12</filename>
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-       <para>
-        Note that outlines, threads, and other global features of the
-        original PDF file are not preserved. For each page of output,
-        this option creates an empty PDF and copies a single page from
-        the output into it. If you require the global data, you will
-        have to run <command>qpdf</command> with the
-        <option>--pages</option> option once for each file. Using
-        <option>--split-pages</option> is much faster if you don't
-        require the global data.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--overlay options --</option></term>
-      <listitem>
-       <para>
-        Overlay pages from another file onto the output pages. See
-        <xref linkend="ref.overlay-underlay"/> for details on
-        overlay/underlay.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--underlay options --</option></term>
-      <listitem>
-       <para>
-        Overlay pages from another file onto the output pages. See
-        <xref linkend="ref.overlay-underlay"/> for details on
-        overlay/underlay.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-   </para>
-   <para>
-    Password-protected files may be opened by specifying a password.
-    By default, qpdf will preserve any encryption data associated with
-    a file.  If <option>--decrypt</option> is specified, qpdf will
-    attempt to remove any encryption information.  If
-    <option>--encrypt</option> is specified, qpdf will replace the
-    document's encryption parameters with whatever is specified.
-   </para>
-   <para>
-    Note that qpdf does not obey encryption restrictions already
-    imposed on the file.  Doing so would be meaningless since qpdf can
-    be used to remove encryption from the file entirely.  This
-    functionality is not intended to be used for bypassing copyright
-    restrictions or other restrictions placed on files by their
-    producers.
-   </para>
-   <para>
-    Prior to 8.4.0, in the case of passwords that contain characters
-    that fall outside of 7-bit US-ASCII, qpdf left the burden of
-    supplying properly encoded encryption and decryption passwords to
-    the user. Starting in qpdf 8.4.0, qpdf does this automatically in
-    most cases. For an in-depth discussion, please see <xref
-    linkend="ref.unicode-passwords"/>. Previous versions of this
-    manual described workarounds using the <command>iconv</command>
-    command. Such workarounds are no longer required or recommended
-    with qpdf 8.4.0. However, for backward compatibility, qpdf
-    attempts to detect those workarounds and do the right thing in
-    most cases.
-   </para>
-  </sect1>
-  <sect1 id="ref.encryption-options">
-   <title>Encryption Options</title>
-   <para>
-    To change the encryption parameters of a file, use the --encrypt
-    flag.  The syntax is
-
-    <programlisting><option>--encrypt <replaceable>user-password</replaceable> <replaceable>owner-password</replaceable> <replaceable>key-length</replaceable>  <replaceable>restrictions</replaceable>  --</option>
-</programlisting>
-    Note that &ldquo;<option>--</option>&rdquo; terminates parsing of
-    encryption flags and must be present even if no restrictions are
-    present.
-   </para>
-   <para>
-    Either or both of the user password and the owner password may be
-    empty strings.
-   </para>
-   <para>
-    The value for
-    <option><replaceable>key-length</replaceable></option> may be 40,
-    128, or 256.  The restriction flags are dependent upon key length.
-    When no additional restrictions are given, the default is to be
-    fully permissive.
-   </para>
-   <para>
-    If <option><replaceable>key-length</replaceable></option> is 40,
-    the following restriction options are available:
-    <variablelist>
-     <varlistentry>
-      <term><option>--print=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether or not to allow printing.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--modify=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether or not to allow document modification.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--extract=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether or not to allow text/image extraction.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--annotate=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether or not to allow comments and form fill-in
-        and signing.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-    If <option><replaceable>key-length</replaceable></option> is 128,
-    the following restriction options are available:
-    <variablelist>
-     <varlistentry>
-      <term><option>--accessibility=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether or not to allow accessibility to visually
-        impaired. The qpdf library disregards this field when AES is
-        used or when 256-bit encryption is used. You should really
-        never disable accessibility, but qpdf lets you do it in case
-        you need to configure a file this way for testing purposes.
-        The PDF spec says that conforming readers should disregard
-        this permission and always allow accessibility.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--extract=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether or not to allow text/graphic extraction.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--assemble=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether document assembly (rotation and reordering
-        of pages) is allowed.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--annotate=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether modifying annotations is allowed. This
-        includes adding comments and filling in form fields. Also
-        allows editing of form fields if
-        <option>--modify-other=y</option> is given.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--form=yn</option></term>
-      <listitem>
-       <para>
-        Determines whether filling form fields is allowed.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--modify-other=yn</option></term>
-      <listitem>
-       <para>
-        Allow all document editing except those controlled separately
-        by the <option>--assemble</option>,
-        <option>--annotate</option>, and <option>--form</option>
-        options.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--print=<replaceable>print-opt</replaceable></option></term>
-      <listitem>
-       <para>
-        Controls printing access.
-        <option><replaceable>print-opt</replaceable></option> may be
-        one of the following:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <option>full</option>: allow full printing
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>low</option>: allow low-resolution printing only
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>none</option>: disallow printing
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--modify=<replaceable>modify-opt</replaceable></option></term>
-      <listitem>
-       <para>
-        Controls modify access. This way of controlling modify access
-        has less granularity than new options added in qpdf 8.4.
-        <option><replaceable>modify-opt</replaceable></option> may be
-        one of the following:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <option>all</option>: allow full document modification
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>annotate</option>: allow comment authoring, form
-           operations, and document assembly
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>form</option>: allow form field fill-in and signing
-           and document assembly
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>assembly</option>: allow document assembly only
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>none</option>: allow no modifications
-          </para>
-         </listitem>
-        </itemizedlist>
-        Using the <option>--modify</option> option does not allow you
-        to create certain combinations of permissions such as allowing
-        form filling but not allowing document assembly. Starting with
-        qpdf 8.4, you can either just use the other options to control
-        fields individually, or you can use something like
-        <option>--modify=form --assembly=n</option> to fine tune.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--cleartext-metadata</option></term>
-      <listitem>
-       <para>
-        If specified, any metadata stream in the document will be left
-        unencrypted even if the rest of the document is encrypted.
-        This also forces the PDF version to be at least 1.5.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--use-aes=yn</option></term>
-      <listitem>
-       <para>
-        If <option>--use-aes=y</option> is specified, AES encryption
-        will be used instead of RC4 encryption.  This forces the PDF
-        version to be at least 1.6.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--force-V4</option></term>
-      <listitem>
-       <para>
-        Use of this option forces the <literal>/V</literal> and
-        <literal>/R</literal> parameters in the document's encryption
-        dictionary to be set to the value <literal>4</literal>.  As
-        qpdf will automatically do this when required, there is no
-        reason to ever use this option.  It exists primarily for use
-        in testing qpdf itself.  This option also forces the PDF
-        version to be at least 1.5.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-    If <option><replaceable>key-length</replaceable></option> is 256,
-    the minimum PDF version is 1.7 with extension level 8, and the
-    AES-based encryption format used is the PDF 2.0 encryption method
-    supported by Acrobat X.  the same options are available as with
-    128 bits with the following exceptions:
-    <variablelist>
-     <varlistentry>
-      <term><option>--use-aes</option></term>
-      <listitem>
-       <para>
-        This option is not available with 256-bit keys.  AES is always
-        used with 256-bit encryption keys.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--force-V4</option></term>
-      <listitem>
-       <para>
-        This option is not available with 256 keys.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--force-R5</option></term>
-      <listitem>
-       <para>
-        If specified, qpdf sets the minimum version to 1.7 at
-        extension level 3 and writes the deprecated encryption format
-        used by Acrobat version IX.  This option should not be used in
-        practice to generate PDF files that will be in general use,
-        but it can be useful to generate files if you are trying to
-        test proper support in another application for PDF files
-        encrypted in this way.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-    The default for each permission option is to be fully permissive.
-   </para>
-  </sect1>
-  <sect1 id="ref.page-selection">
-   <title>Page Selection Options</title>
-   <para>
-    Starting with qpdf 3.0, it is possible to split and merge PDF
-    files by selecting pages from one or more input files.  Whatever
-    file is given as the primary input file is used as the starting
-    point, but its pages are replaced with pages as specified.
-
-    <programlisting><option>--pages <replaceable>input-file</replaceable>  <replaceable>--password=password</replaceable>   <replaceable>page-range</replaceable>   ...  --</option>
-</programlisting>
-    Multiple input files may be specified.  Each one is given as the
-    name of the input file, an optional password (if required to open
-    the file), and the range of pages.  Note that
-    &ldquo;<option>--</option>&rdquo; terminates parsing of page
-    selection flags.
-   </para>
-   <para>
-    Starting with qpf 8.4, the special input file name
-    &ldquo;<filename>.</filename>&rdquo; can be used shortcut for the
-    primary input filename.
-   </para>
-   <para>
-    For each file that pages should be taken from, specify the file, a
-    password needed to open the file (if any), and a page range.  The
-    password needs to be given only once per file.  If any of the
-    input files are the same as the primary input file or the file
-    used to copy encryption parameters (if specified), you do not need
-    to repeat the password here.  The same file can be repeated
-    multiple times.  If a file that is repeated has a password, the
-    password only has to be given the first time.  All non-page data
-    (info, outlines, page numbers, etc.) are taken from the primary
-    input file.  To discard these, use <option>--empty</option> as the
-    primary input.
-   </para>
-   <para>
-    Starting with qpdf 5.0.0, it is possible to omit the page range.
-    If qpdf sees a value in the place where it expects a page range
-    and that value is not a valid range but is a valid file name, qpdf
-    will implicitly use the range <literal>1-z</literal>, meaning that
-    it will include all pages in the file.  This makes it possible to
-    easily combine all pages in a set of files with a command like
-    <command>qpdf --empty out.pdf --pages *.pdf --</command>.
-   </para>
-   <para>
-    The page range is a set of numbers separated by commas, ranges of
-    numbers separated dashes, or combinations of those. The character
-    &ldquo;z&rdquo; represents the last page. A number preceded by an
-    &ldquo;r&rdquo; indicates to count from the end, so
-    <literal>r3-r1</literal> would be the last three pages of the
-    document. Pages can appear in any order. Ranges can appear with a
-    high number followed by a low number, which causes the pages to
-    appear in reverse. Repeating a number will cause an error, but you
-    can use the workaround discussed above should you really want to
-    include the same page twice.
-   </para>
-   <para>
-    Example page ranges:
-    <itemizedlist>
-     <listitem>
-      <para>
-       <literal>1,3,5-9,15-12</literal>: pages 1, 3, 5, 6, 7, 8,
-       9, 15, 14, 13, and 12 in that order.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>z-1</literal>: all pages in the document in reverse
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>r3-r1</literal>: the last three pages of the document
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>r1-r3</literal>: the last three pages of the document
-       in reverse order
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    Starting in qpdf version 8.3, you can specify the
-    <option>--collate</option> option. Note that this option is
-    specified outside of <option>--pages&nbsp;...&nbsp;--</option>.
-    When <option>--collate</option> is specified, it changes the
-    meaning of <option>--pages</option> so that the specified files,
-    as modified by page ranges, are collated rather than concatenated.
-    For example, if you add the files <filename>odd.pdf</filename> and
-    <filename>even.pdf</filename> containing odd and even pages of a
-    document respectively, you could run <command>qpdf --collate
-    odd.pdf --pages odd.pdf even.pdf -- all.pdf</command> to collate
-    the pages. This would pick page 1 from odd, page 1 from even, page
-    2 from odd, page 2 from even, etc. until all pages have been
-    included. Any number of files and page ranges can be specified. If
-    any file has fewer pages, that file is just skipped when its pages
-    have all been included. For example, if you ran <command>qpdf
-    --collate --empty --pages a.pdf 1-5 b.pdf 6-4 c.pdf r1 --
-    out.pdf</command>, you would get the following pages in this
-    order:
-    <itemizedlist>
-     <listitem><para>a.pdf page 1</para></listitem>
-     <listitem><para>b.pdf page 6</para></listitem>
-     <listitem><para>c.pdf last page</para></listitem>
-     <listitem><para>a.pdf page 2</para></listitem>
-     <listitem><para>b.pdf page 5</para></listitem>
-     <listitem><para>a.pdf page 3</para></listitem>
-     <listitem><para>b.pdf page 4</para></listitem>
-     <listitem><para>a.pdf page 4</para></listitem>
-     <listitem><para>a.pdf page 5</para></listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    Starting in qpdf version 8.3, when you split and merge files, any
-    page labels (page numbers) are preserved in the final file. It is
-    expected that more document features will be preserved by
-    splitting and merging. In the mean time, semantics of splitting
-    and merging vary across features. For example, the document's
-    outlines (bookmarks) point to actual page objects, so if you
-    select some pages and not others, bookmarks that point to pages
-    that are in the output file will work, and remaining bookmarks
-    will not work. A future version of <command>qpdf</command> may do
-    a better job at handling these issues. (Note that the qpdf library
-    already contains all of the APIs required in order to implement
-    this in your own application if you need it.) In the mean time,
-    you can always use <option>--empty</option> as the primary input
-    file to avoid copying all of that from the first file. For
-    example, to take pages 1 through 5 from a
-    <filename>infile.pdf</filename> while preserving all metadata
-    associated with that file, you could use
-
-    <programlisting><command>qpdf</command> <option>infile.pdf --pages . 1-5 -- outfile.pdf</option>
-</programlisting>
-    If you wanted pages 1 through 5 from
-    <filename>infile.pdf</filename> but you wanted the rest of the
-    metadata to be dropped, you could instead run
-
-    <programlisting><command>qpdf</command> <option>--empty --pages infile.pdf 1-5 -- outfile.pdf</option>
-</programlisting>
-    If you wanted to take pages 1&ndash;5 from
-    <filename>file1.pdf</filename> and pages 11&ndash;15 from
-    <filename>file2.pdf</filename> in reverse, you would run
-
-    <programlisting><command>qpdf</command> <option>file1.pdf --pages file1.pdf 1-5 . 15-11 -- outfile.pdf</option>
-</programlisting>
-    If, for some reason, you wanted to take the first page of an
-    encrypted file called <filename>encrypted.pdf</filename> with
-    password <literal>pass</literal> and repeat it twice in an output
-    file, and if you wanted to drop document-level metadata but
-    preserve encryption, you would use
-
-    <programlisting><command>qpdf</command> <option>--empty --copy-encryption=encrypted.pdf --encryption-file-password=pass
---pages encrypted.pdf --password=pass 1 ./encrypted.pdf --password=pass 1 --
-outfile.pdf</option>
-</programlisting>
-    Note that we had to specify the password all three times because
-    giving a password as <option>--encryption-file-password</option>
-    doesn't count for page selection, and as far as qpdf is concerned,
-    <filename>encrypted.pdf</filename> and
-    <filename>./encrypted.pdf</filename> are separated files.  These
-    are all corner cases that most users should hopefully never have
-    to be bothered with.
-   </para>
-   <para>
-    Prior to version 8.4, it was not possible to specify the same page
-    from the same file directly more than once, and the workaround of
-    specifying the same file in more than one way was required.
-    Version 8.4 removes this limitation.
-   </para>
-  </sect1>
-  <sect1 id="ref.overlay-underlay">
-   <title>Overlay and Underlay Options</title>
-   <para>
-    Starting with qpdf 8.4, it is possible to overlay or underlay
-    pages from other files onto the output generated by qpdf. Specify
-    overlay or underlay as follows:
-
-    <programlisting>{ <option>--overlay</option> | <option>--underlay</option> } <replaceable>file</replaceable>  <option>options</option>  <option>--</option>
-</programlisting>
-    Overlay and underlay options are processed late, so they can be
-    combined with other like merging and will apply to the final
-    output. The <option>--overlay</option> and
-    <option>--underlay</option> options work the same way, except
-    underlay pages are drawn underneath the page to which they are
-    applied, possibly obscured by the original page, and overlay files
-    are drawn on top of the page to which they are applied, possibly
-    obscuring the page. You can combine overlay and underlay.
-   </para>
-   <para>
-    The default behavior of overlay and underlay is that pages are
-    taken from the overlay/underlay file in sequence and applied to
-    corresponding pages in the output until there are no more output
-    pages. If the overlay or underlay file runs out of pages,
-    remaining output pages are left alone. This behavior can be
-    modified by options, which are provided between the
-    <option>--overlay</option> or <option>--underlay</option> flag and
-    the <option>--</option> option. The following options are
-    supported:
-    <itemizedlist>
-     <listitem>
-      <para>
-       <option>--password=password</option>: supply a password if the
-       overlay/underlay file is encrypted.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <option>--to=page-range</option>: a range of pages in the same
-       form at described in <xref linkend="ref.page-selection"/>
-       indicates which pages in the output should have the
-       overlay/underlay applied. If not specified, overlay/underlay
-       are applied to all pages.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <option>--from=page-range</option>: a range of pages that
-       specifies which pages in the overlay/underlay file will be used
-       for overlay or underlay. If not specified, all pages will be
-       used. This can be explicitly specified to be empty if
-       <option>--repeat</option> is used.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <option>--repeat=page-range</option>: an optional range of
-       pages that specifies which pages in the overlay/underlay file
-       will be repeated after the &ldquo;from&rdquo; pages are used
-       up. If you want to repeat a range of pages starting at the
-       beginning, you can explicitly use <option>--from=</option>.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    Here are some examples.
-    <itemizedlist>
-     <listitem>
-      <para>
-       <command>--overlay o.pdf --to=1-5 --from=1-3
-       --repeat=4 --</command>: overlay the first three pages from file
-       <filename>o.pdf</filename> onto the first three pages of the
-       output, then overlay page 4 from <filename>o.pdf</filename>
-       onto pages 4 and 5 of the output. Leave remaining output pages
-       untouched.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <command>--underlay footer.pdf --from= --repeat=1,2 --</command>:
-       Underlay page 1 of <filename>footer.pdf</filename> on all odd
-       output pages, and underlay page 2 of
-       <filename>footer.pdf</filename> on all even output pages.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-  </sect1>
-  <sect1 id="ref.advanced-parsing">
-   <title>Advanced Parsing Options</title>
-   <para>
-    These options control aspects of how qpdf reads PDF files. Mostly
-    these are of use to people who are working with damaged files.
-    There is little reason to use these options unless you are trying
-    to solve specific problems. The following options are available:
-    <variablelist>
-     <varlistentry>
-      <term><option>--suppress-recovery</option></term>
-      <listitem>
-       <para>
-        Prevents qpdf from attempting to recover damaged files.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--ignore-xref-streams</option></term>
-      <listitem>
-       <para>
-        Tells qpdf to ignore any cross-reference streams.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-   </para>
-   <para>
-    Ordinarily, qpdf will attempt to recover from certain types of
-    errors in PDF files.  These include errors in the cross-reference
-    table, certain types of object numbering errors, and certain types
-    of stream length errors.  Sometimes, qpdf may think it has
-    recovered but may not have actually recovered, so care should be
-    taken when using this option as some data loss is possible.  The
-    <option>--suppress-recovery</option> option will prevent qpdf from
-    attempting recovery.  In this case, it will fail on the first
-    error that it encounters.
-   </para>
-   <para>
-    Ordinarily, qpdf reads cross-reference streams when they are
-    present in a PDF file.  If <option>--ignore-xref-streams</option>
-    is specified, qpdf will ignore any cross-reference streams for
-    hybrid PDF files.  The purpose of hybrid files is to make some
-    content available to viewers that are not aware of cross-reference
-    streams.  It is almost never desirable to ignore them.  The only
-    time when you might want to use this feature is if you are testing
-    creation of hybrid PDF files and wish to see how a PDF consumer
-    that doesn't understand object and cross-reference streams would
-    interpret such a file.
-   </para>
-  </sect1>
-  <sect1 id="ref.advanced-transformation">
-   <title>Advanced Transformation Options</title>
-   <para>
-    These transformation options control fine points of how qpdf
-    creates the output file.  Mostly these are of use only to people
-    who are very familiar with the PDF file format or who are PDF
-    developers.  The following options are available:
-    <variablelist>
-     <varlistentry>
-      <term><option>--compress-streams=<replaceable>yn</replaceable></option></term>
-      <listitem>
-       <para>
-        By default, or with <option>--compress-streams=y</option>,
-        qpdf will compress any stream with no other filters applied to
-        it with the <literal>/FlateDecode</literal> filter when it
-        writes it. To suppress this behavior and preserve uncompressed
-        streams as uncompressed, use
-        <option>--compress-streams=n</option>.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--decode-level=<replaceable>option</replaceable></option></term>
-      <listitem>
-       <para>
-        Controls which streams qpdf tries to decode. The default is
-        <option>generalized</option>. The following options are
-        available:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <option>none</option>: do not attempt to decode any streams
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>generalized</option>: decode streams filtered with
-           supported generalized filters: <option>/LZWDecode</option>,
-           <option>/FlateDecode</option>,
-           <option>/ASCII85Decode</option>, and
-           <option>/ASCIIHexDecode</option>. We define generalized
-           filters as those to be used for general-purpose compression
-           or encoding, as opposed to filters specifically designed
-           for image data.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>specialized</option>: in addition to generalized,
-           decode streams with supported non-lossy specialized
-           filters; currently this is just <option>/RunLengthDecode</option>
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>all</option>: in addition to generalized and
-           specialized, decode streams with supported lossy filters;
-           currently this is just <option>/DCTDecode</option> (JPEG)
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--stream-data=<replaceable>option</replaceable></option></term>
-      <listitem>
-       <para>
-        Controls transformation of stream data. This option predates
-        the <option>--compress-streams</option> and
-        <option>--decode-level</option> options. Those options can be
-        used to achieve the same affect with more control. The value
-        of <option><replaceable>option</replaceable></option> may be
-        one of the following:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <option>compress</option>: recompress stream data when
-           possible (default); equivalent to
-           <option>--compress-streams=y</option>
-           <option>--decode-level=generalized</option>
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>preserve</option>: leave all stream data as is;
-           equivalent to <option>--compress-streams=n</option>
-           <option>--decode-level=none</option>
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>uncompress</option>: uncompress stream data
-           compressed with generalized filters when possible;
-           equivalent to <option>--compress-streams=n</option>
-           <option>--decode-level=generalized</option>
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--normalize-content=yn</option></term>
-      <listitem>
-       <para>
-        Enables or disables normalization of content streams. Content
-        normalization is enabled by default in QDF mode. Please see
-        <xref linkend="ref.qdf"/> for additional discussion of QDF
-        mode.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--object-streams=<replaceable>mode</replaceable></option></term>
-      <listitem>
-       <para>
-        Controls handling of object streams.  The value of
-        <option><replaceable>mode</replaceable></option> may be one of
-        the following:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <option>preserve</option>: preserve original object streams
-           (default)
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>disable</option>: don't write any object streams
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>generate</option>: use object streams wherever
-           possible
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--preserve-unreferenced</option></term>
-      <listitem>
-       <para>
-        Tells qpdf to preserve objects that are not referenced when
-        writing the file. Ordinarily any object that is not referenced
-        in a traversal of the document from the trailer dictionary
-        will be discarded. This may be useful in working with some
-        damaged files or inspecting files with known unreferenced
-        objects.
-       </para>
-       <para>
-        This flag is ignored for linearized files and has the effect
-        of causing objects in the new file to be written in order by
-        object ID from the original file. This does not mean that
-        object numbers will be the same since qpdf may create stream
-        lengths as direct or indirect differently from the original
-        file, and the original file may have gaps in its numbering.
-       </para>
-       <para>
-        See also <option>--preserve-unreferenced-resources</option>,
-        which does something completely different.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--preserve-unreferenced-resources</option></term>
-      <listitem>
-       <para>
-        Starting with qpdf 8.1, when splitting pages, qpdf ordinarily
-        attempts to remove images and fonts that are not used by a
-        page even if they are referenced in the page's resources
-        dictionary. This option suppresses that behavior. The only
-        reason to use this is if you suspect that qpdf is removing
-        resources it shouldn't be removing. If you encounter that
-        case, please report it as a bug.
-       </para>
-       <para>
-        See also <option>--preserve-unreferenced</option>, which does
-        something completely different.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--newline-before-endstream</option></term>
-      <listitem>
-       <para>
-        Tells qpdf to insert a newline before the
-        <literal>endstream</literal> keyword, not counted in the
-        length, after any stream content even if the last character of
-        the stream was a newline. This may result in two newlines in
-        some cases. This is a requirement of PDF/A. While qpdf doesn't
-        specifically know how to generate PDF/A-compliant PDFs, this
-        at least prevents it from removing compliance on already
-        compliant files.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--linearize-pass1=<replaceable>file</replaceable></option></term>
-      <listitem>
-       <para>
-        Write the first pass of linearization to the named file. The
-        resulting file is not a valid PDF file. This option is useful
-        only for debugging <classname>QPDFWriter</classname>'s
-        linearization code. When qpdf linearizes files, it writes the
-        file in two passes, using the first pass to calculate sizes
-        and offsets that are required for hint tables and the
-        linearization dictionary. Ordinarily, the first pass is
-        discarded. This option enables it to be captured.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--coalesce-contents</option></term>
-      <listitem>
-       <para>
-        When a page's contents are split across multiple streams, this
-        option causes qpdf to combine them into a single stream. Use
-        of this option is never necessary for ordinary usage, but it
-        can help when working with some files in some cases. For
-        example, some PDF writers split page contents into small
-        streams at arbitrary points that may fall in the middle of
-        lexical tokens within the content, and some PDF readers may
-        get confused on such files. If you use qpdf to coalesce the
-        content streams, such readers may be able to work with the
-        file more easily. This can also be combined with QDF mode or
-        content normalization to make it easier to look at all of a
-        page's contents at once.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--flatten-annotations=<replaceable>option</replaceable></option></term>
-      <listitem>
-       <para>
-        This option collapses annotations into the pages' contents
-        with special handling for form fields. Ordinarily, an
-        annotation is rendered separately and on top of the page.
-        Combining annotations into the page's contents effectively
-        freezes the placement of the annotations, making them look
-        right after various page transformations. The library
-        functionality backing this option was added for the benefit of
-        programs that want to create <emphasis>n-up</emphasis> page
-        layouts and other similar things that don't work well with
-        annotations. The <replaceable>option</replaceable> parameter
-        may be any of the following:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <option>all</option>: include all annotations that are not
-           marked invisible or hidden
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>print</option>: only include annotations that
-           indicate that they should appear when the page is printed
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <option>screen</option>: omit annotations that indicate
-           they should not appear on the screen
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-       <para>
-        Note that form fields are special because the annotations that
-        are used to render filled-in form fields may become out of
-        date from the fields' values if the form is filled in by a
-        program that doesn't know how to update the appearances. If
-        qpdf detects this case, its default behavior is not to flatten
-        those annotations because doing so would cause the value of
-        the form field to be lost. This gives you a chance to go back
-        and resave the form with a program that knows how to generate
-        appearances. QPDF itself can generate appearances with some
-        limitations. See the <option>--generate-appearances</option>
-        option below.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--generate-appearances</option></term>
-      <listitem>
-       <para>
-        If a file contains interactive form fields and indicates that
-        the appearances are out of date with the values of the form,
-        this flag will regenerate appearances, subject to a few
-        limitations. Note that there is not usually a reason to do
-        this, but it can be necessary before using the
-        <option>--flatten-annotations</option> option. Most of these
-        are not a problem with well-behaved PDF files. The limitations
-        are as follows:
-        <itemizedlist>
-         <listitem>
-          <para>
-           Radio button and checkbox appearances use the pre-set
-           values in the PDF file. QPDF just makes sure that the
-           correct appearance is displayed based on the value of the
-           field. This is fine for PDF files that create their forms
-           properly. Some PDF writers save appearances for fields when
-           they change, which could cause some controls to have
-           inconsistent appearances.
-          </para>
-         </listitem>
-        </itemizedlist>
-        <itemizedlist>
-         <listitem>
-          <para>
-           For text fields and list boxes, any characters that fall
-           outside of US-ASCII or, if detected, &ldquo;Windows
-           ANSI&rdquo; or &ldquo;Mac Roman&rdquo; encoding, will be
-           replaced by the <literal>?</literal> character.
-          </para>
-         </listitem>
-        </itemizedlist>
-        <itemizedlist>
-         <listitem>
-          <para>
-           Quadding is ignored. Quadding is used to specify whether
-           the contents of a field should be left, center, or right
-           aligned with the field.
-          </para>
-         </listitem>
-        </itemizedlist>
-        <itemizedlist>
-         <listitem>
-          <para>
-           Rich text, multi-line, and other more elaborate formatting
-           directives are ignored.
-          </para>
-         </listitem>
-        </itemizedlist>
-        <itemizedlist>
-         <listitem>
-          <para>
-           There is no support for multi-select fields or signature
-           fields.
-          </para>
-         </listitem>
-        </itemizedlist>
-        If qpdf doesn't do a good enough job with your form, use an
-        external application to save your filled-in form before
-        processing it with qpdf.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--optimize-images</option></term>
-      <listitem>
-       <para>
-        This flag causes qpdf to recompress all images that are not
-        compressed with DCT (JPEG) using DCT compression as long as
-        doing so decreases the size in bytes of the image data and the
-        image does not fall below minimum specified dimensions. Useful
-        information is provided when used in combination with
-        <option>--verbose</option>. See also the
-        <option>--oi-min-width</option>,
-        <option>--oi-min-height</option>, and
-        <option>--oi-min-area</option> options. By default, starting
-        in qpdf 8.4, inline images are converted to regular images
-        and optimized as well. Use
-        <option>--keep-inline-images</option> to prevent inline images
-        from being included.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--oi-min-width=<replaceable>width</replaceable></option></term>
-      <listitem>
-       <para>
-        Avoid optimizing images whose width is below the specified
-        amount. If omitted, the default is 128 pixels. Use 0 for no
-        minimum.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--oi-min-height=<replaceable>height</replaceable></option></term>
-      <listitem>
-       <para>
-        Avoid optimizing images whose height is below the specified
-        amount. If omitted, the default is 128 pixels. Use 0 for no
-        minimum.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--oi-min-area=<replaceable>area-in-pixels</replaceable></option></term>
-      <listitem>
-       <para>
-        Avoid optimizing images whose pixel count
-        (width&nbsp;×&nbsp;height) is below the specified amount. If
-        omitted, the default is 16,384 pixels. Use 0 for no minimum.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--externalize-inline-images</option></term>
-      <listitem>
-       <para>
-        Convert inline images to regular images. By default, images
-        whose data is at least 1,024 bytes are converted when this
-        option is selected. Use <option>--ii-min-bytes</option> to
-        change the size threshold. This option is implicitly selected
-        when <option>--optimize-images</option> is selected. Use
-        <option>--keep-inline-images</option> to exclude inline images
-        from image optimization.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--ii-min-bytes=<replaceable>bytes</replaceable></option></term>
-      <listitem>
-       <para>
-        Avoid converting inline images whose size is below the
-        specified minimum size to regular images. If omitted, the
-        default is 1,024 bytes. Use 0 for no minimum.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--keep-inline-images</option></term>
-      <listitem>
-       <para>
-        Prevent inline images from being included in image
-        optimization. This option has no affect when
-        <option>--optimize-images</option> is not specified.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--remove-page-labels</option></term>
-      <listitem>
-       <para>
-        Remove page labels from the output file.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--qdf</option></term>
-      <listitem>
-       <para>
-        Turns on QDF mode.  For additional information on QDF, please
-        see <xref linkend="ref.qdf"/>. Note that
-        <option>--linearize</option> disables QDF mode.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--min-version=<replaceable>version</replaceable></option></term>
-      <listitem>
-       <para>
-        Forces the PDF version of the output file to be at least
-        <replaceable>version</replaceable>.  In other words, if the
-        input file has a lower version than the specified version, the
-        specified version will be used.  If the input file has a
-        higher version, the input file's original version will be
-        used.  It is seldom necessary to use this option since qpdf
-        will automatically increase the version as needed when adding
-        features that require newer PDF readers.
-       </para>
-       <para>
-        The version number may be expressed in the form
-        <replaceable>major.minor.extension-level</replaceable>, in
-        which case the version is interpreted as
-        <replaceable>major.minor</replaceable> at extension level
-        <replaceable>extension-level</replaceable>.  For example,
-        version <literal>1.7.8</literal> represents version 1.7 at
-        extension level 8.  Note that minimal syntax checking is done
-        on the command line.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--force-version=<replaceable>version</replaceable></option></term>
-      <listitem>
-       <para>
-        This option forces the PDF version to be the exact version
-        specified <emphasis>even when the file may have content that
-        is not supported in that version</emphasis>.  The version
-        number is interpreted in the same way as with
-        <option>--min-version</option> so that extension levels can be
-        set.  In some cases, forcing the output file's PDF version to
-        be lower than that of the input file will cause qpdf to
-        disable certain features of the document.  Specifically,
-        256-bit keys are disabled if the version is less than 1.7 with
-        extension level 8 (except R5 is disabled if less than 1.7 with
-        extension level 3), AES encryption is disabled if the version
-        is less than 1.6, cleartext metadata and object streams are
-        disabled if less than 1.5, 128-bit encryption keys are
-        disabled if less than 1.4, and all encryption is disabled if
-        less than 1.3.  Even with these precautions, qpdf won't be
-        able to do things like eliminate use of newer image
-        compression schemes, transparency groups, or other features
-        that may have been added in more recent versions of PDF.
-       </para>
-       <para>
-        As a general rule, with the exception of big structural things
-        like the use of object streams or AES encryption, PDF viewers
-        are supposed to ignore features in files that they don't
-        support from newer versions.  This means that forcing the
-        version to a lower version may make it possible to open your
-        PDF file with an older version, though bear in mind that some
-        of the original document's functionality may be lost.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-   </para>
-   <para>
-    By default, when a stream is encoded using non-lossy filters that
-    qpdf understands and is not already compressed using a good
-    compression scheme, qpdf will uncompress and recompress streams.
-    Assuming proper filter implements, this is safe and generally
-    results in smaller files.  This behavior may also be explicitly
-    requested with <option>--stream-data=compress</option>.
-   </para>
-   <para>
-    When <option>--normalize-content=y</option> is specified, qpdf
-    will attempt to normalize whitespace and newlines in page content
-    streams.  This is generally safe but could, in some cases, cause
-    damage to the content streams.  This option is intended for people
-    who wish to study PDF content streams or to debug PDF content.
-    You should not use this for &ldquo;production&rdquo; PDF files.
-   </para>
-   <para>
-    This paragraph discusses edge cases of content normalization that
-    are not of concern to most users and are not relevant when content
-    normalization is not enabled. When normalizing content, if qpdf
-    runs into any lexical errors, it will print a warning indicating
-    that content may be damaged. The only situation in which qpdf is
-    known to cause damage during content normalization is when a
-    page's contents are split across multiple streams and streams are
-    split in the middle of a lexical token such as a string, name, or
-    inline image. There may be some pathological cases in which qpdf
-    could damage content without noticing this, such as if the partial
-    tokens at the end of one stream and the beginning of the next
-    stream are both valid, but usually qpdf will be able to detect
-    this case. For slightly increased safety, you can specify
-    <option>--coalesce-contents</option> in addition to
-    <option>--normalize-content</option> or <option>--qdf</option>.
-    This will cause qpdf to combine all the content streams into one,
-    thus recombining any split tokens. However doing this will prevent
-    you from being able to see the original layout of the content
-    streams. If you must inspect the original content streams in an
-    uncompressed format, you can always run with <option>--qdf
-    --normalize-content=n</option> for a QDF file without content
-    normalization, or alternatively
-    <option>--stream-data=uncompress</option> for a regular non-QDF
-    mode file with uncompressed streams. These will both uncompress
-    all the streams but will not attempt to normalize content. Please
-    note that if you are using content normalization or QDF mode for
-    the purpose of manually inspecting files, you don't have to care
-    about this.
-   </para>
-   <para>
-    Object streams, also known as compressed objects, were introduced
-    into the PDF specification at version 1.5, corresponding to
-    Acrobat 6.  Some older PDF viewers may not support files with
-    object streams.  qpdf can be used to transform files with object
-    streams to files without object streams or vice versa.  As
-    mentioned above, there are three object stream modes:
-    <option>preserve</option>, <option>disable</option>, and
-    <option>generate</option>.
-   </para>
-   <para>
-    In <option>preserve</option> mode, the relationship to objects and
-    the streams that contain them is preserved from the original file.
-    In <option>disable</option> mode, all objects are written as
-    regular, uncompressed objects.  The resulting file should be
-    readable by older PDF viewers.  (Of course, the content of the
-    files may include features not supported by older viewers, but at
-    least the structure will be supported.)  In
-    <option>generate</option> mode, qpdf will create its own object
-    streams.  This will usually result in more compact PDF files,
-    though they may not be readable by older viewers.  In this mode,
-    qpdf will also make sure the PDF version number in the header is
-    at least 1.5.
-   </para>
-   <para>
-    The <option>--qdf</option> flag turns on QDF mode, which changes
-    some of the defaults described above.  Specifically, in QDF mode,
-    by default, stream data is uncompressed, content streams are
-    normalized, and encryption is removed.  These defaults can still
-    be overridden by specifying the appropriate options as described
-    above.  Additionally, in QDF mode, stream lengths are stored as
-    indirect objects, objects are laid out in a less efficient but
-    more readable fashion, and the documents are interspersed with
-    comments that make it easier for the user to find things and also
-    make it possible for <command>fix-qdf</command> to work properly.
-    QDF mode is intended for people, mostly developers, who wish to
-    inspect or modify PDF files in a text editor.  For details, please
-    see <xref linkend="ref.qdf"/>.
-   </para>
-  </sect1>
-  <sect1 id="ref.testing-options">
-   <title>Testing, Inspection, and Debugging Options</title>
-   <para>
-    These options can be useful for digging into PDF files or for use
-    in automated test suites for software that uses the qpdf library.
-    When any of the options in this section are specified, no output
-    file should be given.  The following options are available:
-    <variablelist>
-     <varlistentry>
-      <term><option>--deterministic-id</option></term>
-      <listitem>
-       <para>
-        Causes generation of a deterministic value for /ID. This
-        prevents use of timestamp and output file name information in
-        the /ID generation. Instead, at some slight additional runtime
-        cost, the /ID field is generated to include a digest of the
-        significant parts of the content of the output PDF file. This
-        means that a given qpdf operation should generate the same /ID
-        each time it is run, which can be useful when caching results
-        or for generation of some test data. Use of this flag is not
-        compatible with creation of encrypted files.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--static-id</option></term>
-      <listitem>
-       <para>
-        Causes generation of a fixed value for /ID. This is intended
-        for testing only. Never use it for production files. If you
-        are trying to get the same /ID each time for a given file and
-        you are not generating encrypted files, consider using the
-        <option>--deterministic-id</option> option.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--static-aes-iv</option></term>
-      <listitem>
-       <para>
-        Causes use of a static initialization vector for AES-CBC.
-        This is intended for testing only so that output files can be
-        reproducible.  Never use it for production files.  This option
-        in particular is not secure since it significantly weakens the
-        encryption.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--no-original-object-ids</option></term>
-      <listitem>
-       <para>
-        Suppresses inclusion of original object ID comments in QDF
-        files.  This can be useful when generating QDF files for test
-        purposes, particularly when comparing them to determine
-        whether two PDF files have identical content.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--show-encryption</option></term>
-      <listitem>
-       <para>
-        Shows document encryption parameters.  Also shows the
-        document's user password if the owner password is given.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--show-encryption-key</option></term>
-      <listitem>
-       <para>
-        When encryption information is being displayed, as when
-        <option>--check</option> or <option>--show-encryption</option>
-        is given, display the computed or retrieved encryption key as
-        a hexadecimal string. This value is not ordinarily useful to
-        users, but it can be used as the argument to
-        <option>--password</option> if the
-        <option>--password-is-hex-key</option> is specified. Note
-        that, when PDF files are encrypted, passwords and other
-        metadata are used only to compute an encryption key, and the
-        encryption key is what is actually used for encryption. This
-        enables retrieval of that key.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--check-linearization</option></term>
-      <listitem>
-       <para>
-        Checks file integrity and linearization status.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--show-linearization</option></term>
-      <listitem>
-       <para>
-        Checks and displays all data in the linearization hint tables.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--show-xref</option></term>
-      <listitem>
-       <para>
-        Shows the contents of the cross-reference table in a
-        human-readable form.  This is especially useful for files with
-        cross-reference streams which are stored in a binary format.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--show-object=trailer|obj,gen</option></term>
-      <listitem>
-       <para>
-        Show the contents of the given object.  This is especially
-        useful for inspecting objects that are inside of object
-        streams (also known as &ldquo;compressed objects&rdquo;).
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--raw-stream-data</option></term>
-      <listitem>
-       <para>
-        When used along with the <option>--show-object</option>
-        option, if the object is a stream, shows the raw stream data
-        instead of object's contents.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--filtered-stream-data</option></term>
-      <listitem>
-       <para>
-        When used along with the <option>--show-object</option>
-        option, if the object is a stream, shows the filtered stream
-        data instead of object's contents.  If the stream is filtered
-        using filters that qpdf does not support, an error will be
-        issued.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--show-npages</option></term>
-      <listitem>
-       <para>
-        Prints the number of pages in the input file on a line by
-        itself.  Since the number of pages appears by itself on a
-        line, this option can be useful for scripting if you need to
-        know the number of pages in a file.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--show-pages</option></term>
-      <listitem>
-       <para>
-        Shows the object and generation number for each page
-        dictionary object and for each content stream associated with
-        the page.  Having this information makes it more convenient to
-        inspect objects from a particular page.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--with-images</option></term>
-      <listitem>
-       <para>
-        When used along with <option>--show-pages</option>, also shows
-        the object and generation numbers for the image objects on
-        each page.  (At present, information about images in shared
-        resource dictionaries are not output by this command.  This is
-        discussed in a comment in the source code.)
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--json</option></term>
-      <listitem>
-       <para>
-        Generate a JSON representation of the file. This is described
-        in depth in <xref linkend="ref.json"/>
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--json-help</option></term>
-      <listitem>
-       <para>
-        Describe the format of the JSON output.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--json-key=key</option></term>
-      <listitem>
-       <para>
-        This option is repeatable. If specified, only top-level keys
-        specified will be included in the JSON output. If not
-        specified, all keys will be shown.
-       </para>
-      </listitem>
-      </varlistentry>
-     <varlistentry>
-      <term><option>--json-object=trailer|obj,gen</option></term>
-      <listitem>
-       <para>
-        This option is repeatable. If specified, only specified
-        objects will be shown in the
-        &ldquo;<literal>objects</literal>&rdquo; key of the JSON
-        output. If absent, all objects will be shown.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term><option>--check</option></term>
-      <listitem>
-       <para>
-        Checks file structure and well as encryption, linearization,
-        and encoding of stream data.  A file for which
-        <option>--check</option> reports no errors may still have
-        errors in stream data content but should otherwise be
-        structurally sound.  If <option>--check</option> any errors,
-        qpdf will exit with a status of 2.  There are some recoverable
-        conditions that <option>--check</option> detects.  These are
-        issued as warnings instead of errors.  If qpdf finds no errors
-        but finds warnings, it will exit with a status of 3 (as of
-        version&nbsp;2.0.4). When <option>--check</option> is combined
-        with other options, checks are always performed before any
-        other options are processed. For erroneous files,
-        <option>--check</option> will cause qpdf to attempt to
-        recover, after which other options are effectively operating
-        on the recovered file. Combining <option>--check</option> with
-        other options in this way can be useful for manually
-        recovering severely damaged files.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-   </para>
-   <para>
-    The <option>--raw-stream-data</option> and
-    <option>--filtered-stream-data</option> options are ignored unless
-    <option>--show-object</option> is given.  Either of these options
-    will cause the stream data to be written to standard output.  In
-    order to avoid commingling of stream data with other output, it is
-    recommend that these objects not be combined with other
-    test/inspection options.
-   </para>
-   <para>
-    If <option>--filtered-stream-data</option> is given and
-    <option>--normalize-content=y</option> is also given, qpdf will
-    attempt to normalize the stream data as if it is a page content
-    stream.  This attempt will be made even if it is not a page
-    content stream, in which case it will produce unusable results.
-   </para>
-  </sect1>
-  <sect1 id="ref.unicode-passwords">
-   <title>Unicode Passwords</title>
-   <para>
-    At the library API level, all methods that perform encryption and
-    decryption interpret passwords as strings of bytes. It is up to
-    the caller to ensure that they are appropriately encoded. Starting
-    with qpdf version 8.4.0, qpdf will attempt to make this easier for
-    you when interact with qpdf via its command line interface. The
-    PDF specification requires passwords used to encrypt files with
-    40-bit or 128-bit encryption to be encoded with PDF Doc encoding.
-    This encoding is a single-byte encoding that supports ISO-Latin-1
-    and a handful of other commonly used characters. It has a large
-    overlap with Windows ANSI but is not exactly the same. There is
-    generally not a way to provide PDF Doc encoded strings on the
-    command line. As such, qpdf versions prior to 8.4.0 would often
-    create PDF files that couldn't be opened with other software when
-    given a password with non-ASCII characters to encrypt a file with
-    40-bit or 128-bit encryption. Starting with qpdf 8.4.0, qpdf
-    recognizes the encoding of the parameter and transcodes it as
-    needed. The rest of this section provides the details about
-    exactly how qpdf behaves. Most users will not need to know this
-    information, but it might be useful if you have been working
-    around qpdf's old behavior or if you are using qpdf to generate
-    encrypted files for testing other PDF software.
-   </para>
-   <para>
-    A note about Windows: when qpdf builds, it attempts to determine
-    what it has to do to use <function>wmain</function> instead of
-    <function>main</function> on Windows. The
-    <function>wmain</function> function is an alternative entry point
-    that receives all arguments as UTF-16-encoded strings. When qpdf
-    starts up this way, it converts all the strings to UTF-8 encoding
-    and then invokes the regular main. This means that, as far as qpdf
-    is concerned, it receives its command-line arguments with UTF-8
-    encoding, just as it would in any modern Linux or UNIX
-    environment.
-   </para>
-   <para>
-    If a file is being encrypted with 40-bit or 128-bit encryption and
-    the supplied password is not a valid UTF-8 string, qpdf will fall
-    back to the behavior of interpreting the password as a string of
-    bytes. If you have old scripts that encrypt files by passing the
-    output of <command>iconv</command> to qpdf, you no longer need to
-    do that, but if you do, qpdf should still work. The only exception
-    would be for the extremely unlikely case of a password that is
-    encoded with a single-byte encoding but also happens to be valid
-    UTF-8. Such a password would contain strings of even numbers of
-    characters that alternate between accented letters and symbols. In
-    the extremely unlikely event that you are intentionally using such
-    passwords and qpdf is thwarting you by interpreting them as UTF-8,
-    you can use <option>--password-mode=bytes</option> to suppress
-    qpdf's automatic behavior.
-   </para>
-   <para>
-    The <option>--password-mode</option> option, as described earlier
-    in this chapter, can be used to change qpdf's interpretation of
-    supplied passwords. There are very few reasons to use this option.
-    One would be the unlikely case described in the previous paragraph
-    in which the supplied password happens to be valid UTF-8 but isn't
-    supposed to be UTF-8. Your best bet would be just to provide the
-    password as a valid UTF-8 string, but you could also use
-    <option>--password-mode=bytes</option>. Another reason to use
-    <option>--password-mode=bytes</option> would be to intentionally
-    generate PDF files encrypted with passwords that are not properly
-    encoded. The qpdf test suite does this to generate invalid files
-    for the purpose of testing its password recovery capability. If
-    you were trying to create intentionally incorrect files for a
-    similar purposes, the <option>bytes</option> password mode can
-    enable you to do this.
-   </para>
-   <para>
-    When qpdf attempts to decrypt a file with a password that contains
-    non-ASCII characters, it will generate a list of alternative
-    passwords by attempting to interpret the password as each of a
-    handful of different coding systems and then transcode them to the
-    required format. This helps to compensate for the supplied
-    password being given in the wrong coding system, such as would
-    happen if you used the <command>iconv</command> workaround that
-    was previously needed. It also generates passwords by doing the
-    reverse operation: translating from correct in incorrect encoding
-    of the password. This would enable qpdf to decrypt files using
-    passwords that were improperly encoded by whatever software
-    encrypted the files, including older versions of qpdf invoked
-    without properly encoded passwords. The combination of these two
-    recovery methods should make qpdf transparently open most
-    encrypted files with the password supplied correctly but in the
-    wrong coding system. There are no real downsides to this behavior,
-    but if you don't want qpdf to do this, you can use the
-    <option>--suppress-password-recovery</option> option. One reason
-    to do that is to ensure that you know the exact password that was
-    used to encrypt the file.
-   </para>
-   <para>
-    With these changes, qpdf now generates compliant passwords in most
-    cases. There are still some exceptions. In particular, the PDF
-    specification directs compliant writers to normalize Unicode
-    passwords and to perform certain transformations on passwords with
-    bidirectional text. Implementing this functionality requires using
-    a real Unicode library like ICU. If a client application that uses
-    qpdf wants to do this, the qpdf library will accept the resulting
-    passwords, but qpdf will not perform these transformations itself.
-    It is possible that this will be addressed in a future version of
-    qpdf. The <classname>QPDFWriter</classname> methods that enable
-    encryption on the output file accept passwords as strings of
-    bytes.
-   </para>
-   <para>
-    Please note that the <option>--password-is-hex-key</option> option
-    is unrelated to all this. This flag bypasses the normal process of
-    going from password to encryption string entirely, allowing the
-    raw encryption key to be specified directly. This is useful for
-    forensic purposes or for brute-force recovery of files with
-    unknown passwords.
-   </para>
-  </sect1>
- </chapter>
- <chapter id="ref.qdf">
-  <title>QDF Mode</title>
-  <para>
-   In QDF mode, qpdf creates PDF files in what we call <firstterm>QDF
-   form</firstterm>.  A PDF file in QDF form, sometimes called a QDF
-   file, is a completely valid PDF file that has
-   <literal>%QDF-1.0</literal> as its third line (after the pdf header
-   and binary characters) and has certain other characteristics.  The
-   purpose of QDF form is to make it possible to edit PDF files, with
-   some restrictions, in an ordinary text editor.  This can be very
-   useful for experimenting with different PDF constructs or for
-   making one-off edits to PDF files (though there are other reasons
-   why this may not always work). Note that QDF mode does not support
-   linearized files. If you enable linearization, QDF mode is
-   automatically disabled.
-  </para>
-  <para>
-   It is ordinarily very difficult to edit PDF files in a text editor
-   for two reasons: most meaningful data in PDF files is compressed,
-   and PDF files are full of offset and length information that makes
-   it hard to add or remove data.  A QDF file is organized in a manner
-   such that, if edits are kept within certain constraints, the
-   <command>fix-qdf</command> program, distributed with qpdf, is able
-   to restore edited files to a correct state.  The
-   <command>fix-qdf</command> program takes no command-line
-   arguments.  It reads a possibly edited QDF file from standard input
-   and writes a repaired file to standard output.
-  </para>
-  <para>
-   The following attributes characterize a QDF file:
-   <itemizedlist>
-    <listitem>
-     <para>
-      All objects appear in numerical order in the PDF file, including
-      when objects appear in object streams.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      Objects are printed in an easy-to-read format, and all line
-      endings are normalized to UNIX line endings.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      Unless specifically overridden, streams appear uncompressed
-      (when qpdf supports the filters and they are compressed with a
-      non-lossy compression scheme), and most content streams are
-      normalized (line endings are converted to just a UNIX-style
-      linefeeds).
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      All streams lengths are represented as indirect objects, and the
-      stream length object is always the next object after the stream.
-      If the stream data does not end with a newline, an extra newline
-      is inserted, and a special comment appears after the stream
-      indicating that this has been done.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      If the PDF file contains object streams, if object stream
-      <emphasis>n</emphasis> contains <emphasis>k</emphasis> objects,
-      those objects are numbered from <emphasis>n+1</emphasis> through
-      <emphasis>n+k</emphasis>, and the object number/offset pairs
-      appear on a separate line for each object.  Additionally, each
-      object in the object stream is preceded by a comment indicating
-      its object number and index.  This makes it very easy to find
-      objects in object streams.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      All beginnings of objects, <literal>stream</literal> tokens,
-      <literal>endstream</literal> tokens, and
-      <literal>endobj</literal> tokens appear on lines by themselves.
-      A blank line follows every <literal>endobj</literal> token.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      If there is a cross-reference stream, it is unfiltered.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      Page dictionaries and page content streams are marked with
-      special comments that make them easy to find.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      Comments precede each object indicating the object number of the
-      corresponding object in the original file.
-     </para>
-    </listitem>
-   </itemizedlist>
-  </para>
-  <para>
-   When editing a QDF file, any edits can be made as long as the above
-   constraints are maintained.  This means that you can freely edit a
-   page's content without worrying about messing up the QDF file.  It
-   is also possible to add new objects so long as those objects are
-   added after the last object in the file or subsequent objects are
-   renumbered.  If a QDF file has object streams in it, you can always
-   add the new objects before the xref stream and then change the
-   number of the xref stream, since nothing generally ever references
-   it by number.
-  </para>
-  <para>
-   It is not generally practical to remove objects from QDF files
-   without messing up object numbering, but if you remove all
-   references to an object, you can run qpdf on the file (after
-   running <command>fix-qdf</command>), and qpdf will omit the
-   now-orphaned object.
-  </para>
-  <para>
-   When <command>fix-qdf</command> is run, it goes through the file
-   and recomputes the following parts of the file:
-   <itemizedlist>
-    <listitem>
-     <para>
-      the <literal>/N</literal>, <literal>/W</literal>, and
-      <literal>/First</literal> keys of all object stream dictionaries
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      the pairs of numbers representing object numbers and offsets of
-      objects in object streams
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      all stream lengths
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      the cross-reference table or cross-reference stream
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      the offset to the cross-reference table or cross-reference
-      stream following the <literal>startxref</literal> token
-     </para>
-    </listitem>
-   </itemizedlist>
-  </para>
- </chapter>
- <chapter id="ref.using-library">
-  <title>Using the QPDF Library</title>
-  <sect1 id="ref.using.from-cxx">
-   <title>Using QPDF from C++</title>
-   <para>
-    The source tree for the qpdf package has an
-    <filename>examples</filename> directory that contains a few
-    example programs.  The <filename>qpdf/qpdf.cc</filename> source
-    file also serves as a useful example since it exercises almost all
-    of the qpdf library's public interface.  The best source of
-    documentation on the library itself is reading comments in
-    <filename>include/qpdf/QPDF.hh</filename>,
-    <filename>include/qpdf/QPDFWriter.hh</filename>, and
-    <filename>include/qpdf/QPDFObjectHandle.hh</filename>.
-   </para>
-   <para>
-    All header files are installed in the <filename>include/qpdf</filename> directory.  It
-    is recommend that you use <literal>#include
-    &lt;qpdf/QPDF.hh&gt;</literal> rather than adding
-    <filename>include/qpdf</filename> to your include path.
-   </para>
-   <para>
-    When linking against the qpdf static library, you may also need to
-    specify <literal>-lz -ljpeg</literal> on your link command. If
-    your system understands how to read libtool
-    <filename>.la</filename> files, this may not be necessary.
-   </para>
-   <para>
-    The qpdf library is safe to use in a multithreaded program, but no
-    individual <type>QPDF</type> object instance (including
-    <type>QPDF</type>, <type>QPDFObjectHandle</type>, or
-    <type>QPDFWriter</type>) can be used in more than one thread at a
-    time.  Multiple threads may simultaneously work with different
-    instances of these and all other QPDF objects.
-   </para>
-  </sect1>
-  <sect1 id="ref.using.other-languages">
-   <title>Using QPDF from other languages</title>
-   <para>
-    The qpdf library is implemented in C++, which makes it hard to use
-    directly in other languages. There are a few things that can help.
-   </para>
-   <variablelist>
-    <varlistentry>
-     <term>&ldquo;C&rdquo;</term>
-     <listitem>
-      <para>
-       The qpdf library includes a &ldquo;C&rdquo; language interface
-       that provides a subset of the overall capabilities. The header
-       file <filename>qpdf/qpdf-c.h</filename> includes information
-       about its use. As long as you use a C++ linker, you can link C
-       programs with qpdf and use the C API. For languages that can
-       directly load methods from a shared library, the C API can also
-       be useful. People have reported success using the C API from
-       other languages on Windows by directly calling functions in the
-       DLL.
-      </para>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>Python</term>
-     <listitem>
-      <para>
-       A Python module called <ulink
-       url="https://pypi.org/project/pikepdf/">pikepdf</ulink>
-       provides a clean and highly functional set of Python bindings
-       to the qpdf library. Using pikepdf, you can work with PDF files
-       in a natural way and combine qpdf's capabilities with other
-       functionality provided by Python's rich standard library and
-       available modules.
-      </para>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>Other Languages</term>
-     <listitem>
-      <para>
-       Starting with version 8.3.0, the <command>qpdf</command>
-       command-line tool can produce a JSON representation of the PDF
-       file's non-content data. This can facilitate interacting
-       programmatically with PDF files through qpdf's command line
-       interface. For more information, please see <xref
-       linkend="ref.json"/>.
-      </para>
-     </listitem>
-    </varlistentry>
-   </variablelist>
-  </sect1>
-  <sect1 id="ref.unicode-files">
-   <title>A Note About Unicode File Names</title>
-   <para>
-    When strings are passed to qpdf library routines either as
-    <literal>char*</literal> or as <literal>std::string</literal>,
-    they are treated as byte arrays except where otherwise noted. When
-    Unicode is desired, qpdf wants UTF-8 unless otherwise noted in
-    comments in header files. In modern UNIX/Linux environments, this
-    generally does the right thing. In Windows, it's a bit more
-    complicated. Starting in qpdf 8.4.0, passwords that contain
-    Unicode characters are handled much better, and starting in qpdf
-    8.4.1, the library attempts to properly handle Unicode characters
-    in filenames. In particular, in Windows, if a UTF-8 encoded string
-    is used as a filename in either <classname>QPDF</classname> or
-    <classname>QPDFWriter</classname>, it is internally converted to
-    <literal>wchar_t*</literal>, and Unicode-aware Windows APIs are
-    used. As such, qpdf will generally operate properly on files with
-    non-ASCII characters in their names as long as the filenames are
-    UTF-8 encoded for passing into the qpdf library API, but there are
-    still some rough edges, such as the encoding of the filenames in
-    error messages our CLI output messages. Patches or bug reports are
-    welcome for any continuing issues with Unicode file names in
-    Windows.
-   </para>
-  </sect1>
- </chapter>
- <chapter id="ref.json">
-  <title>QPDF JSON</title>
-  <sect1 id="ref.json-overview">
-   <title>Overview</title>
-   <para>
-    Beginning with qpdf version 8.3.0, the <command>qpdf</command>
-    command-line program can produce a JSON representation of the
-    non-content data in a PDF file. It includes a dump in JSON format
-    of all objects in the PDF file excluding the content of streams.
-    This JSON representation makes it very easy to look in detail at
-    the structure of a given PDF file, and it also provides a great way
-    to work with PDF files programmatically from the command-line in
-    languages that can't call or link with the qpdf library directly.
-    Note that stream data can be extracted from PDF files using other
-    qpdf command-line options.
-   </para>
-  </sect1>
-  <sect1 id="ref.json-guarantees">
-   <title>JSON Guarantees</title>
-   <para>
-    The qpdf JSON representation includes a JSON serialization of the
-    raw objects in the PDF file as well as some computed information in
-    a more easily extracted format. QPDF provides some guarantees about
-    its JSON format. These guarantees are designed to simplify the
-    experience of a developer working with the JSON format.
-    <variablelist>
-     <varlistentry>
-      <term>Compatibility</term>
-      <listitem>
-       <para>
-        The top-level JSON object output is a dictionary. The JSON
-        output contains various nested dictionaries and arrays. With
-        the exception of dictionaries that are populated by the fields
-        of objects from the file, all instances of a dictionary are
-        guaranteed to have exactly the same keys. Future versions of
-        qpdf are free to add additional keys but not to remove keys or
-        change the type of object that a key points to. The qpdf
-        program validates this guarantee, and in the unlikely event
-        that a bug in qpdf should cause it to generate data that
-        doesn't conform to this rule, it will ask you to file a bug
-        report.
-       </para>
-       <para>
-        The top-level JSON structure contains a
-        &ldquo;<literal>version</literal>&rdquo; key whose value is
-        simple integer. The value of the <literal>version</literal> key
-        will be incremented if a non-compatible change is made. A
-        non-compatible change would be any change that involves removal
-        of a key, a change to the format of data pointed to by a key,
-        or a semantic change that requires a different interpretation
-        of a previously existing key. A strong effort will be made to
-        avoid breaking compatibility.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term>Documentation</term>
-      <listitem>
-       <para>
-        The <command>qpdf</command> command can be invoked with the
-        <option>--json-help</option> option. This will output a JSON
-        structure that has the same structure as the JSON output that
-        qpdf generates, except that each field in the help output is a
-        description of the corresponding field in the JSON output. The
-        specific guarantees are as follows:
-        <itemizedlist>
-         <listitem>
-          <para>
-           A dictionary in the help output means that the corresponding
-           location in the actual JSON output is also a dictionary with
-           exactly the same keys; that is, no keys present in help are
-           absent in the real output, and no keys will be present in
-           the real output that are not in help.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           A string in the help output is a description of the item
-           that appears in the corresponding location of the actual
-           output. The corresponding output can have any format.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           An array in the help output always contains a single
-           element. It indicates that the corresponding location in the
-           actual output is also an array, and that each element of the
-           array has whatever format is implied by the single element
-           of the help output's array.
-          </para>
-         </listitem>
-        </itemizedlist>
-        For example, the help output indicates includes a
-        &ldquo;<literal>pagelabels</literal>&rdquo; key whose value is
-        an array of one element. That element is a dictionary with keys
-        &ldquo;<literal>index</literal>&rdquo; and
-        &ldquo;<literal>label</literal>&rdquo;. In addition to
-        describing the meaning of those keys, this tells you that the
-        actual JSON output will contain a <literal>pagelabels</literal>
-        array, each of whose elements is a dictionary that contains an
-        <literal>index</literal> key, a <literal>label</literal> key,
-        and no other keys.
-       </para>
-      </listitem>
-     </varlistentry>
-     <varlistentry>
-      <term>Directness and Simplicity</term>
-      <listitem>
-       <para>
-        The JSON output contains the value of every object in the file,
-        but it also contains some processed data. This is analogous to
-        how qpdf's library interface works. The processed data is
-        similar to the helper functions in that it allows you to look
-        at certain aspects of the PDF file without having to understand
-        all the nuances of the PDF specification, while the raw objects
-        allow you to mine the PDF for anything that the higher-level
-        interfaces are lacking.
-       </para>
-      </listitem>
-     </varlistentry>
-    </variablelist>
-   </para>
-  </sect1>
-  <sect1 id="json.limitations">
-   <title>Limitations of JSON Representation</title>
-   <para>
-    There are a few limitations to be aware of with the JSON structure:
-    <itemizedlist>
-     <listitem>
-      <para>
-       Strings, names, and indirect object references in the original
-       PDF file are all converted to strings in the JSON
-       representation. In the case of a &ldquo;normal&rdquo; PDF file,
-       you can tell the difference because a name starts with a slash
-       (<literal>/</literal>), and an indirect object reference looks
-       like <literal>n n R</literal>, but if there were to be a string
-       that looked like a name or indirect object reference, there
-       would be no way to tell this from the JSON output. Note that
-       there are certain cases where you know for sure what something
-       is, such as knowing that dictionary keys in objects are always
-       names and that certain things in the higher-level computed data
-       are known to contain indirect object references.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The JSON format doesn't support binary data very well. Mostly
-       the details are not important, but they are presented here for
-       information. When qpdf outputs a string in the JSON
-       representation, it converts the string to UTF-8, assuming usual
-       PDF string semantics. Specifically, if the original string is
-       UTF-16, it is converted to UTF-8. Otherwise, it is assumed to
-       have PDF doc encoding, and is converted to UTF-8 with that
-       assumption. This causes strange things to happen to binary
-       strings. For example, if you had the binary string
-       <literal>&lt;038051&gt;</literal>, this would be output to the
-       JSON as <literal>\u0003•Q</literal> because
-       <literal>03</literal> is not a printable character and
-       <literal>80</literal> is the bullet character in PDF doc
-       encoding and is mapped to the Unicode value
-       <literal>2022</literal>. Since <literal>51</literal> is
-       <literal>Q</literal>, it is output as is. If you wanted to
-       convert back from here to a binary string, would have to
-       recognize Unicode values whose code points are higher than
-       <literal>0xFF</literal> and map those back to their
-       corresponding PDF doc encoding characters. There is no way to
-       tell the difference between a Unicode string that was originally
-       encoded as UTF-16 or one that was converted from PDF doc
-       encoding. In other words, it's best if you don't try to use the
-       JSON format to extract binary strings from the PDF file, but if
-       you really had to, it could be done. Note that qpdf's
-       <option>--show-object</option> option does not have this
-       limitation and will reveal the string as encoded in the original
-       file.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-  </sect1>
-  <sect1 id="json.considerations">
-   <title>JSON: Special Considerations</title>
-   <para>
-    For the most part, the built-in JSON help tells you everything you
-    need to know about the JSON format, but there are a few
-    non-obvious things to be aware of:
-    <itemizedlist>
-     <listitem>
-      <para>
-       While qpdf guarantees that keys present in the help will be
-       present in the output, those fields may be null or empty if the
-       information is not known or absent in the file. Also, if you
-       specify <option>--json-keys</option>, the keys that are not
-       listed will be excluded entirely except for those that
-       <option>--json-help</option> says are always present.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       In a few places, there are keys with names containing
-       <literal>pageposfrom1</literal>. The values of these keys are
-       null or an integer. If an integer, they point to a page index
-       within the file numbering from 1. Note that JSON indexes from
-       0, and you would also use 0-based indexing using the API.
-       However, 1-based indexing is easier in this case because the
-       command-line syntax for specifying page ranges is 1-based. If
-       you were going to write a program that looked through the JSON
-       for information about specific pages and then use the
-       command-line to extract those pages, 1-based indexing is
-       easier. Besides, it's more convenient to subtract 1 from a
-       program in a real programming language than it is to add 1 from
-       shell code.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The image information included in the <literal>page</literal>
-       section of the JSON output includes the key
-       &ldquo;<literal>filterable</literal>&rdquo;. Note that the
-       value of this field may depend on the
-       <option>--decode-level</option> that you invoke qpdf with. The
-       JSON output includes a top-level key
-       &ldquo;<literal>parameters</literal>&rdquo; that indicates the
-       decode level used for computing whether a stream was
-       filterable. For example, jpeg images will be shown as not
-       filterable by default, but they will be shown as filterable if
-       you run <command>qpdf --json --decode-level=all</command>.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-  </sect1>
- </chapter>
- <chapter id="ref.design">
-  <title>Design and Library Notes</title>
-  <sect1 id="ref.design.intro">
-   <title>Introduction</title>
-   <para>
-    This section was written prior to the implementation of the qpdf
-    package and was subsequently modified to reflect the
-    implementation.  In some cases, for purposes of explanation, it
-    may differ slightly from the actual implementation.  As always,
-    the source code and test suite are authoritative.  Even if there
-    are some errors, this document should serve as a road map to
-    understanding how this code works.
-   </para>
-   <para>
-    In general, one should adhere strictly to a specification when
-    writing but be liberal in reading. This way, the product of our
-    software will be accepted by the widest range of other programs,
-    and we will accept the widest range of input files. This library
-    attempts to conform to that philosophy whenever possible but also
-    aims to provide strict checking for people who want to validate
-    PDF files. If you don't want to see warnings and are trying to
-    write something that is tolerant, you can call
-    <literal>setSuppressWarnings(true)</literal>. If you want to fail
-    on the first error, you can call
-    <literal>setAttemptRecovery(false)</literal>. The default behavior
-    is to generating warnings for recoverable problems. Note that
-    recovery will not always produce the desired results even if it is
-    able to get through the file. Unlike most other PDF files that
-    produce generic warnings such as &ldquo;This file is
-    damaged,&rdquo;, qpdf generally issues a detailed error message
-    that would be most useful to a PDF developer. This is by design as
-    there seems to be a shortage of PDF validation tools out there.
-    This was, in fact, one of the major motivations behind the initial
-    creation of qpdf.
-   </para>
-  </sect1>
-  <sect1 id="ref.design-goals">
-   <title>Design Goals</title>
-   <para>
-    The QPDF package includes support for reading and rewriting PDF
-    files. It aims to hide from the user details involving object
-    locations, modified (appended) PDF files, the
-    directness/indirectness of objects, and stream filters including
-    encryption. It does not aim to hide knowledge of the object
-    hierarchy or content stream contents. Put another way, a user of
-    the qpdf library is expected to have knowledge about how PDF files
-    work, but is not expected to have to keep track of bookkeeping
-    details such as file positions.
-   </para>
-   <para>
-    A user of the library never has to care whether an object is
-    direct or indirect, though it is possible to determine whether an
-    object is direct or not if this information is needed. All access
-    to objects deals with this transparently. All memory management
-    details are also handled by the library.
-   </para>
-   <para>
-    The <classname>PointerHolder</classname> object is used internally
-    by the library to deal with memory management. This is basically a
-    smart pointer object very similar in spirit to C++-11's
-    <classname>std::shared_ptr</classname> object, but predating it by
-    several years. This library also makes use of a technique for
-    giving fine-grained access to methods in one class to other
-    classes by using public subclasses with friends and only private
-    members that in turn call private methods of the containing class.
-    See <classname>QPDFObjectHandle::Factory</classname> as an
-    example.
-   </para>
-   <para>
-    The top-level qpdf class is <classname>QPDF</classname>.  A
-    <classname>QPDF</classname> object represents a PDF file.  The
-    library provides methods for both accessing and mutating PDF
-    files.
-   </para>
-   <para>
-    The primary class for interacting with PDF objects is
-    <classname>QPDFObjectHandle</classname>. Instances of this class
-    can be passed around by value, copied, stored in containers, etc.
-    with very low overhead. Instances of
-    <classname>QPDFObjectHandle</classname> created by reading from a
-    file will always contain a reference back to the
-    <classname>QPDF</classname> object from which they were created. A
-    <classname>QPDFObjectHandle</classname> may be direct or indirect.
-    If indirect, the <classname>QPDFObject</classname> the
-    <classname>PointerHolder</classname> initially points to is a null
-    pointer. In this case, the first attempt to access the underlying
-    <classname>QPDFObject</classname> will result in the
-    <classname>QPDFObject</classname> being resolved via a call to the
-    referenced <classname>QPDF</classname> instance. This makes it
-    essentially impossible to make coding errors in which certain
-    things will work for some PDF files and not for others based on
-    which objects are direct and which objects are indirect.
-   </para>
-   <para>
-    Instances of <classname>QPDFObjectHandle</classname> can be
-    directly created and modified using static factory methods in the
-    <classname>QPDFObjectHandle</classname> class. There are factory
-    methods for each type of object as well as a convenience method
-    <function>QPDFObjectHandle::parse</function> that creates an
-    object from a string representation of the object.  Existing
-    instances of <classname>QPDFObjectHandle</classname> can also be
-    modified in several ways.  See comments in
-    <filename>QPDFObjectHandle.hh</filename> for details.
-   </para>
-   <para>
-    An instance of <classname>QPDF</classname> is constructed by using
-    the class's default constructor.  If desired, the
-    <classname>QPDF</classname> object may be configured with various
-    methods that change its default behavior.  Then the
-    <function>QPDF::processFile()</function> method is passed the name
-    of a PDF file, which permanently associates the file with that
-    QPDF object.  A password may also be given for access to
-    password-protected files.  QPDF does not enforce encryption
-    parameters and will treat user and owner passwords equivalently.
-    Either password may be used to access an encrypted file.
-    <footnote>
-     <para>
-      As pointed out earlier, the intention is not for qpdf to be used
-      to bypass security on files. but as any open source PDF consumer
-      may be easily modified to bypass basic PDF document security,
-      and qpdf offers may transformations that can do this as well,
-      there seems to be little point in the added complexity of
-      conditionally enforcing document security.
-     </para>
-    </footnote>
-    <classname>QPDF</classname> will allow recovery of a user password
-    given an owner password.  The input PDF file must be seekable.
-    (Output files written by <classname>QPDFWriter</classname> need
-    not be seekable, even when creating linearized files.)  During
-    construction, <classname>QPDF</classname> validates the PDF file's
-    header, and then reads the cross reference tables and trailer
-    dictionaries.  The <classname>QPDF</classname> class keeps only
-    the first trailer dictionary though it does read all of them so it
-    can check the <literal>/Prev</literal> key.
-    <classname>QPDF</classname> class users may request the root
-    object and the trailer dictionary specifically.  The cross
-    reference table is kept private.  Objects may then be requested by
-    number of by walking the object tree.
-   </para>
-   <para>
-    When a PDF file has a cross-reference stream instead of a
-    cross-reference table and trailer, requesting the document's
-    trailer dictionary returns the stream dictionary from the
-    cross-reference stream instead.
-   </para>
-   <para>
-    There are some convenience routines for very common operations
-    such as walking the page tree and returning a vector of all page
-    objects. For full details, please see the header files
-    <filename>QPDF.hh</filename> and
-    <filename>QPDFObjectHandle.hh</filename>. There are also some
-    additional helper classes that provide higher level API functions
-    for certain document constructions. These are discussed in <xref
-    linkend="ref.helper-classes"/>.
-   </para>
-  </sect1>
-  <sect1 id="ref.helper-classes">
-   <title>Helper Classes</title>
-   <para>
-    QPDF version 8.1 introduced the concept of helper classes. Helper
-    classes are intended to contain higher level APIs that allow
-    developers to work with certain document constructs at an
-    abstraction level above that of
-    <classname>QPDFObjectHandle</classname> while staying true to
-    qpdf's philosophy of not hiding document structure from the
-    developer. As with qpdf in general, the goal is take away some of
-    the more tedious bookkeeping aspects of working with PDF files,
-    not to remove the need for the developer to understand how the PDF
-    construction in question works. The driving factor behind the
-    creation of helper classes was to allow the evolution of higher
-    level interfaces in qpdf without polluting the interfaces of the
-    main top-level classes <classname>QPDF</classname> and
-    <classname>QPDFObjectHandle</classname>.
-   </para>
-   <para>
-    There are two kinds of helper classes:
-    <emphasis>document</emphasis> helpers and
-    <emphasis>object</emphasis> helpers. Document helpers are
-    constructed with a reference to a <classname>QPDF</classname>
-    object and provide methods for working with structures that are at
-    the document level. Object helpers are constructed with an
-    instance of a <classname>QPDFObjectHandle</classname> and provide
-    methods for working with specific types of objects.
-   </para>
-   <para>
-    Examples of document helpers include
-    <classname>QPDFPageDocumentHelper</classname>, which contains
-    methods for operating on the document's page trees, such as
-    enumerating all pages of a document and adding and removing pages;
-    and <classname>QPDFAcroFormDocumentHelper</classname>, which
-    contains document-level methods related to interactive forms, such
-    as enumerating form fields and creating mappings between form
-    fields and annotations.
-   </para>
-   <para>
-    Examples of object helpers include
-    <classname>QPDFPageObjectHelper</classname> for performing
-    operations on pages such as page rotation and some operations on
-    content streams, <classname>QPDFFormFieldObjectHelper</classname>
-    for performing operations related to interactive form fields, and
-    <classname>QPDFAnnotationObjectHelper</classname> for working with
-    annotations.
-   </para>
-   <para>
-    It is always possible to retrieve the underlying
-    <classname>QPDF</classname> reference from a document helper and
-    the underlying <classname>QPDFObjectHandle</classname> reference
-    from an object helper. Helpers are designed to be helpers, not
-    wrappers. The intention is that, in general, it is safe to freely
-    intermix operations that use helpers with operations that use the
-    underlying objects. Document and object helpers do not attempt to
-    provide a complete interface for working with the things they are
-    helping with, nor do they attempt to encapsulate underlying
-    structures. They just provide a few methods to help with
-    error-prone, repetitive, or complex tasks. In some cases, a helper
-    object may cache some information that is expensive to gather. In
-    such cases, the helper classes are implemented so that their own
-    methods keep the cache consistent, and the header file will
-    provide a method to invalidate the cache and a description of what
-    kinds of operations would make the cache invalid. If in doubt, you
-    can always discard a helper class and create a new one with the
-    same underlying objects, which will ensure that you have discarded
-    any stale information.
-   </para>
-   <para>
-    By Convention, document helpers are called
-    <classname>QPDFSomethingDocumentHelper</classname> and are derived
-    from <classname>QPDFDocumentHelper</classname>, and object helpers
-    are called <classname>QPDFSomethingObjectHelper</classname> and
-    are derived from <classname>QPDFObjectHelper</classname>. For
-    details on specific helpers, please see their header files. You
-    can find them by looking at
-    <filename>include/qpdf/QPDF*DocumentHelper.hh</filename> and
-    <filename>include/qpdf/QPDF*ObjectHelper.hh</filename>.
-   </para>
-   <para>
-    In order to avoid creation of circular dependencies, the following
-    general guidelines are followed with helper classes:
-    <itemizedlist>
-     <listitem>
-      <para>
-       Core class interfaces do not know about helper classes. For
-       example, no methods of <classname>QPDF</classname> or
-       <classname>QPDFObjectHandle</classname> will include helper
-       classes in their interfaces.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Interfaces of object helpers will usually not use document
-       helpers in their interfaces. This is because it is much more
-       useful for document helpers to have methods that return object
-       helpers. Most operations in PDF files start at the document
-       level and go from there to the object level rather than the
-       other way around. It can sometimes be useful to map back from
-       object-level structures to document-level structures. If there
-       is a desire to do this, it will generally be provided by a
-       method in the document helper class.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Most of the time, object helpers don't know about other object
-       helpers. However, in some cases, one type of object may be a
-       container for another type of object, in which case it may make
-       sense for the outer object to know about the inner object. For
-       example, there are methods in the
-       <classname>QPDFPageObjectHelper</classname> that know
-       <classname>QPDFAnnotationObjectHelper</classname> because
-       references to annotations are contained in page dictionaries.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Any helper or core library class may use helpers in their
-       implementations.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    Prior to qpdf version 8.1, higher level interfaces were added as
-    &ldquo;convenience functions&rdquo; in either
-    <classname>QPDF</classname> or
-    <classname>QPDFObjectHandle</classname>. For compatibility, older
-    convenience functions for operating with pages will remain in
-    those classes even as alternatives are provided in helper classes.
-    Going forward, new higher level interfaces will be provided using
-    helper classes.
-   </para>
-  </sect1>
-  <sect1 id="ref.implementation-notes">
-   <title>Implementation Notes</title>
-   <para>
-    This section contains a few notes about QPDF's internal
-    implementation, particularly around what it does when it first
-    processes a file. This section is a bit of a simplification of
-    what it actually does, but it could serve as a starting point to
-    someone trying to understand the implementation. There is nothing
-    in this section that you need to know to use the qpdf library.
-   </para>
-   <para>
-    <classname>QPDFObject</classname> is the basic PDF Object class.
-    It is an abstract base class from which are derived classes for
-    each type of PDF object.  Clients do not interact with Objects
-    directly but instead interact with
-    <classname>QPDFObjectHandle</classname>.
-   </para>
-   <para>
-    When the <classname>QPDF</classname> class creates a new object,
-    it dynamically allocates the appropriate type of
-    <classname>QPDFObject</classname> and immediately hands the
-    pointer to an instance of <classname>QPDFObjectHandle</classname>.
-    The parser reads a token from the current file position. If the
-    token is a not either a dictionary or array opener, an object is
-    immediately constructed from the single token and the parser
-    returns. Otherwise, the parser iterates in a special mode in which
-    it accumulates objects until it finds a balancing closer. During
-    this process, the &ldquo;<literal>R</literal>&rdquo; keyword is
-    recognized and an indirect <classname>QPDFObjectHandle</classname>
-    may be constructed.
-   </para>
-   <para>
-    The <function>QPDF::resolve()</function> method, which is used to
-    resolve an indirect object, may be invoked from the
-    <classname>QPDFObjectHandle</classname> class.  It first checks a
-    cache to see whether this object has already been read.  If not,
-    it reads the object from the PDF file and caches it.  It the
-    returns the resulting <classname>QPDFObjectHandle</classname>.
-    The calling object handle then replaces its
-    <classname>PointerHolder&lt;QDFObject&gt;</classname> with the one
-    from the newly returned <classname>QPDFObjectHandle</classname>.
-    In this way, only a single copy of any direct object need exist
-    and clients can access objects transparently without knowing
-    caring whether they are direct or indirect objects.  Additionally,
-    no object is ever read from the file more than once.  That means
-    that only the portions of the PDF file that are actually needed
-    are ever read from the input file, thus allowing the qpdf package
-    to take advantage of this important design goal of PDF files.
-   </para>
-   <para>
-    If the requested object is inside of an object stream, the object
-    stream itself is first read into memory.  Then the tokenizer reads
-    objects from the memory stream based on the offset information
-    stored in the stream.  Those individual objects are cached, after
-    which the temporary buffer holding the object stream contents are
-    discarded.  In this way, the first time an object in an object
-    stream is requested, all objects in the stream are cached.
-   </para>
-   <para>
-    The following example should clarify how
-    <classname>QPDF</classname> processes a simple file.
-    <itemizedlist>
-     <listitem>
-      <para>
-       Client constructs <classname>QPDF</classname>
-       <varname>pdf</varname> and calls
-       <function>pdf.processFile("a.pdf");</function>.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The <classname>QPDF</classname> class checks the beginning of
-       <filename>a.pdf</filename> for a PDF header. It then reads the
-       cross reference table mentioned at the end of the file,
-       ensuring that it is looking before the last
-       <literal>%%EOF</literal>. After getting to
-       <literal>trailer</literal> keyword, it invokes the parser.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The parser sees &ldquo;<literal>&lt;&lt;</literal>&rdquo;, so
-       it calls itself recursively in dictionary creation mode.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       In dictionary creation mode, the parser keeps accumulating
-       objects until it encounters
-       &ldquo;<literal>&gt;&gt;</literal>&rdquo;.  Each object that is
-       read is pushed onto a stack.  If
-       &ldquo;<literal>R</literal>&rdquo; is read, the last two
-       objects on the stack are inspected.  If they are integers, they
-       are popped off the stack and their values are used to construct
-       an indirect object handle which is then pushed onto the stack.
-       When &ldquo;<literal>&gt;&gt;</literal>&rdquo; is finally read,
-       the stack is converted into a
-       <classname>QPDF_Dictionary</classname> which is placed in a
-       <classname>QPDFObjectHandle</classname> and returned.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The resulting dictionary is saved as the trailer dictionary.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The <literal>/Prev</literal> key is searched.  If present,
-       <classname>QPDF</classname> seeks to that point and repeats
-       except that the new trailer dictionary is not saved.  If
-       <literal>/Prev</literal> is not present, the initial parsing
-       process is complete.
-      </para>
-      <para>
-       If there is an encryption dictionary, the document's encryption
-       parameters are initialized.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The client requests root object.  The
-       <classname>QPDF</classname> class gets the value of root key
-       from trailer dictionary and returns it.  It is an unresolved
-       indirect <classname>QPDFObjectHandle</classname>.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       The client requests the <literal>/Pages</literal> key from root
-       <classname>QPDFObjectHandle</classname>.  The
-       <classname>QPDFObjectHandle</classname> notices that it is
-       indirect so it asks <classname>QPDF</classname> to resolve it.
-       <classname>QPDF</classname> looks in the object cache for an
-       object with the root dictionary's object ID and generation
-       number.  Upon not seeing it, it checks the cross reference
-       table, gets the offset, and reads the object present at that
-       offset.  It stores the result in the object cache and returns
-       the cached result.  The calling
-       <classname>QPDFObjectHandle</classname> replaces its object
-       pointer with the one from the resolved
-       <classname>QPDFObjectHandle</classname>, verifies that it a
-       valid dictionary object, and returns the (unresolved indirect)
-       <classname>QPDFObject</classname> handle to the top of the
-       Pages hierarchy.
-      </para>
-      <para>
-       As the client continues to request objects, the same process is
-       followed for each new requested object.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-  </sect1>
-  <sect1 id="ref.casting">
-   <title>Casting Policy</title>
-   <para>
-    This section describes the casting policy followed by qpdf's
-    implementation.  This is no concern to qpdf's end users and
-    largely of no concern to people writing code that uses qpdf, but
-    it could be of interest to people who are porting qpdf to a new
-    platform or who are making modifications to the code.
-   </para>
-   <para>
-    The C++ code in qpdf is free of old-style casts except where
-    unavoidable (e.g. where the old-style cast is in a macro provided
-    by a third-party header file).  When there is a need for a cast,
-    it is handled, in order of preference, by rewriting the code to
-    avoid the need for a cast, calling
-    <function>const_cast</function>, calling
-    <function>static_cast</function>, calling
-    <function>reinterpret_cast</function>, or calling some combination
-    of the above.  As a last resort, a compiler-specific
-    <literal>#pragma</literal> may be used to suppress a warning that
-    we don't want to fix.  Examples may include suppressing warnings
-    about the use of old-style casts in code that is shared between C
-    and C++ code.
-   </para>
-   <para>
-    The casting policy explicitly prohibits casting between integer
-    sizes for no purpose other than to quiet a compiler warning when
-    there is no reasonable chance of a problem resulting.  The reason
-    for this exclusion is that the practice of adding these additional
-    casts precludes future use of additional compiler warnings as a
-    tool for making future improvements to this aspect of the code,
-    and it also damages the readability of the code.
-   </para>
-   <para>
-    There are a few significant areas where casting is common in the
-    qpdf sources or where casting would be required to quiet higher
-    levels of compiler warnings but is omitted at present:
-    <itemizedlist>
-     <listitem>
-      <para>
-       <type>char</type> vs. <type>unsigned char</type>.  For
-       historical reasons, there are a lot of places in qpdf's
-       internals that deal with <type>unsigned char</type>, which
-       means that a lot of casting is required to interoperate with
-       standard library calls and <type>std::string</type>.  In
-       retrospect, qpdf should have probably used regular (signed)
-       <type>char</type> and <type>char*</type> everywhere and just
-       cast to <type>unsigned char</type> when needed, but it's too
-       late to make that change now.  There are
-       <function>reinterpret_cast</function> calls to go between
-       <type>char*</type> and <type>unsigned char*</type>, and there
-       are <function>static_cast</function> calls to go between
-       <type>char</type> and <type>unsigned char</type>.  These should
-       always be safe.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Non-const <type>unsigned char*</type> used in the
-       <type>Pipeline</type> interface.  The pipeline interface has a
-       <function>write</function> call that uses <type>unsigned
-       char*</type> without a <type>const</type> qualifier.  The main
-       reason for this is to support pipelines that make calls to
-       third-party libraries, such as zlib, that don't include
-       <type>const</type> in their interfaces.  Unfortunately, there
-       are many places in the code where it is desirable to have
-       <type>const char*</type> with pipelines.  None of the pipeline
-       implementations in qpdf currently modify the data passed to
-       write, and doing so would be counter to the intent of
-       <type>Pipeline</type>, but there is nothing in the code to
-       prevent this from being done.  There are places in the code
-       where <function>const_cast</function> is used to remove the
-       const-ness of pointers going into <type>Pipeline</type>s.  This
-       could theoretically be unsafe, but there is adequate testing to
-       assert that it is safe and will remain safe in qpdf's code.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <type>size_t</type> vs. <type>qpdf_offset_t</type>.  This is
-       pretty much unavoidable since sizes are unsigned types and
-       offsets are signed types.  Whenever it is necessary to seek by
-       an amount given by a <type>size_t</type>, it becomes necessary
-       to mix and match between <type>size_t</type> and
-       <type>qpdf_offset_t</type>.  Additionally, qpdf sometimes
-       treats memory buffers like files (as with
-       <type>BufferInputSource</type>, and those seek interfaces have
-       to be consistent with file-based input sources.  Neither gcc
-       nor MSVC give warnings for this case by default, but both have
-       warning flags that can enable this.  (MSVC:
-       <option>/W14267</option> or <option>/W3</option>, which also
-       enables some additional warnings that we ignore; gcc:
-       <option>-Wconversion -Wsign-conversion</option>).  This could
-       matter for files whose sizes are larger than
-       2<superscript>63</superscript> bytes, but it is reasonable to
-       expect that a world where such files are common would also have
-       larger <type>size_t</type> and <type>qpdf_offset_t</type> types
-       in it.  On most 64-bit systems at the time of this writing (the
-       release of version 4.1.0 of qpdf), both <type>size_t</type> and
-       <type>qpdf_offset_t</type> are 64-bit integer types, while on
-       many current 32-bit systems, <type>size_t</type> is a 32-bit
-       type while <type>qpdf_offset_t</type> is a 64-bit type.  I am
-       not aware of any cases where 32-bit systems that have
-       <type>size_t</type> smaller than <type>qpdf_offset_t</type>
-       could run into problems.  Although I can't conclusively rule
-       out the possibility of such problems existing, I suspect any
-       cases would be pretty contrived.  In the event that someone
-       should produce a file that qpdf can't handle because of what is
-       suspected to be issues involving the handling of
-       <type>size_t</type> vs. <type>qpdf_offset_t</type> (such files
-       may behave properly on 64-bit systems but not on 32-bit systems
-       because they have very large embedded files or streams, for
-       example), the above mentioned warning flags could be enabled
-       and all those implicit conversions could be carefully
-       scrutinized.  (I have already gone through that exercise once
-       in adding support for files larger than 4&nbsp;GB in size.)  I
-       continue to be committed to supporting large files on 32-bit
-       systems, but I would not go to any lengths to support corner
-       cases involving large embedded files or large streams that work
-       on 64-bit systems but not on 32-bit systems because of
-       <type>size_t</type> being too small.  It is reasonable to
-       assume that anyone working with such files would be using a
-       64-bit system anyway since many 32-bit applications would have
-       similar difficulties.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <type>size_t</type> vs. <type>int</type> or <type>long</type>.
-       There are some cases where <type>size_t</type> and
-       <type>int</type> or <type>long</type> or <type>size_t</type>
-       and <type>unsigned int</type> or <type>unsigned long</type> are
-       used interchangeably.  These cases occur when working with very
-       small amounts of memory, such as with the bit readers (where
-       we're working with just a few bytes at a time), some cases of
-       <function>strlen</function>, and a few other cases.  I have
-       scrutinized all of these cases and determined them to be safe,
-       but there is no mechanism in the code to ensure that new unsafe
-       conversions between <type>int</type> and <type>size_t</type>
-       aren't introduced short of good testing and strong awareness of
-       the issues.  Again, if any such bugs are suspected in the
-       future, enabling the additional warning flags and scrutinizing
-       the warnings would be in order.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    To be clear, I believe qpdf to be well-behaved with respect to
-    sizes and offsets, and qpdf's test suite includes actual
-    generation and full processing of files larger than 4&nbsp;GB in
-    size.  The issues raised here are largely academic and should not
-    in any way be interpreted to mean that qpdf has practical problems
-    involving sloppiness with integer types.  I also believe that
-    appropriate measures have been taken in the code to avoid problems
-    with signed vs. unsigned integers from resulting in memory
-    overwrites or other issues with potential security implications,
-    though there are never any absolute guarantees.
-   </para>
-  </sect1>
-  <sect1 id="ref.encryption">
-   <title>Encryption</title>
-   <para>
-    Encryption is supported transparently by qpdf.  When opening a PDF
-    file, if an encryption dictionary exists, the
-    <classname>QPDF</classname> object processes this dictionary using
-    the password (if any) provided.  The primary decryption key is
-    computed and cached.  No further access is made to the encryption
-    dictionary after that time.  When an object is read from a file,
-    the object ID and generation of the object in which it is
-    contained is always known.  Using this information along with the
-    stored encryption key, all stream and string objects are
-    transparently decrypted.  Raw encrypted objects are never stored
-    in memory.  This way, nothing in the library ever has to know or
-    care whether it is reading an encrypted file.
-   </para>
-   <para>
-    An interface is also provided for writing encrypted streams and
-    strings given an encryption key.  This is used by
-    <classname>QPDFWriter</classname> when it rewrites encrypted
-    files.
-   </para>
-   <para>
-    When copying encrypted files, unless otherwise directed, qpdf will
-    preserve any encryption in force in the original file.  qpdf can
-    do this with either the user or the owner password.  There is no
-    difference in capability based on which password is used.  When 40
-    or 128 bit encryption keys are used, the user password can be
-    recovered with the owner password.  With 256 keys, the user and
-    owner passwords are used independently to encrypt the actual
-    encryption key, so while either can be used, the owner password
-    can no longer be used to recover the user password.
-   </para>
-   <para>
-    Starting with version 4.0.0, qpdf can read files that are not
-    encrypted but that contain encrypted attachments, but it cannot
-    write such files.  qpdf also requires the password to be specified
-    in order to open the file, not just to extract attachments, since
-    once the file is open, all decryption is handled transparently.
-    When copying files like this while preserving encryption, qpdf
-    will apply the file's encryption to everything in the file, not
-    just to the attachments.  When decrypting the file, qpdf will
-    decrypt the attachments.  In general, when copying PDF files with
-    multiple encryption formats, qpdf will choose the newest format.
-    The only exception to this is that clear-text metadata will be
-    preserved as clear-text if it is that way in the original file.
-   </para>
-  </sect1>
-  <sect1 id="ref.random-numbers">
-   <title>Random Number Generation</title>
-   <para>
-    QPDF generates random numbers to support generation of encrypted
-    data.  Versions prior to 5.0.1 used <function>random</function> or
-    <function>rand</function> from <filename>stdlib</filename> to
-    generate random numbers.  Version 5.0.1, if available, used
-    operating system-provided secure random number generation instead,
-    enabling use of <filename>stdlib</filename> random number
-    generation only if enabled by a compile-time option.  Starting in
-    version 5.1.0, use of insecure random numbers was disabled unless
-    enabled at compile time.  Starting in version 5.1.0, it is also
-    possible for you to disable use of OS-provided secure random
-    numbers.  This is especially useful on Windows if you want to
-    avoid a dependency on Microsoft's cryptography API.  In this case,
-    you must provide your own random data provider.  Regardless of how
-    you compile qpdf, starting in version 5.1.0, it is possible for
-    you to provide your own random data provider at runtime.  This
-    would enable you to use some software-based secure pseudorandom
-    number generator and to avoid use of whatever the operating system
-    provides.  For details on how to do this, please refer to the
-    top-level README.md file in the source distribution and to comments
-    in <filename>QUtil.hh</filename>.
-   </para>
-  </sect1>
-  <sect1 id="ref.adding-and-remove-pages">
-   <title>Adding and Removing Pages</title>
-   <para>
-    While qpdf's API has supported adding and modifying objects for
-    some time, version 3.0 introduces specific methods for adding and
-    removing pages.  These are largely convenience routines that
-    handle two tricky issues: pushing inheritable resources from the
-    <literal>/Pages</literal> tree down to individual pages and
-    manipulation of the <literal>/Pages</literal> tree itself.  For
-    details, see <function>addPage</function> and surrounding methods
-    in <filename>QPDF.hh</filename>.
-   </para>
-  </sect1>
-  <sect1 id="ref.reserved-objects">
-   <title>Reserving Object Numbers</title>
-   <para>
-    Version 3.0 of qpdf introduced the concept of reserved objects.
-    These are seldom needed for ordinary operations, but there are
-    cases in which you may want to add a series of indirect objects
-    with references to each other to a <classname>QPDF</classname>
-    object.  This causes a problem because you can't determine the
-    object ID that a new indirect object will have until you add it to
-    the <classname>QPDF</classname> object with
-    <function>QPDF::makeIndirectObject</function>.  The only way to
-    add two mutually referential objects to a
-    <classname>QPDF</classname> object prior to version 3.0 would be
-    to add the new objects first and then make them refer to each
-    other after adding them.  Now it is possible to create a
-    <firstterm>reserved object</firstterm> using
-    <function>QPDFObjectHandle::newReserved</function>.  This is an
-    indirect object that stays &ldquo;unresolved&rdquo; even if it is
-    queried for its type.  So now, if you want to create a set of
-    mutually referential objects, you can create reservations for each
-    one of them and use those reservations to construct the
-    references.  When finished, you can call
-    <function>QPDF::replaceReserved</function> to replace the reserved
-    objects with the real ones.  This functionality will never be
-    needed by most applications, but it is used internally by QPDF
-    when copying objects from other PDF files, as discussed in <xref
-    linkend="ref.foreign-objects"/>.  For an example of how to use
-    reserved objects, search for <function>newReserved</function> in
-    <filename>test_driver.cc</filename> in qpdf's sources.
-   </para>
-  </sect1>
-  <sect1 id="ref.foreign-objects">
-   <title>Copying Objects From Other PDF Files</title>
-   <para>
-    Version 3.0 of qpdf introduced the ability to copy objects into a
-    <classname>QPDF</classname> object from a different
-    <classname>QPDF</classname> object, which we refer to as
-    <firstterm>foreign objects</firstterm>. This allows arbitrary
-    merging of PDF files. The &ldquo;from&rdquo;
-    <classname>QPDF</classname> object must remain valid after the
-    copy as discussed in the note below. The <command>qpdf</command>
-    command-line tool provides limited support for basic page
-    selection, including merging in pages from other files, but the
-    library's API makes it possible to implement arbitrarily complex
-    merging operations. The main method for copying foreign objects is
-    <function>QPDF::copyForeignObject</function>. This takes an
-    indirect object from another <classname>QPDF</classname> and
-    copies it recursively into this object while preserving all object
-    structure, including circular references. This means you can add a
-    direct object that you create from scratch to a
-    <classname>QPDF</classname> object with
-    <function>QPDF::makeIndirectObject</function>, and you can add an
-    indirect object from another file with
-    <function>QPDF::copyForeignObject</function>. The fact that
-    <function>QPDF::makeIndirectObject</function> does not
-    automatically detect a foreign object and copy it is an explicit
-    design decision. Copying a foreign object seems like a
-    sufficiently significant thing to do that it should be done
-    explicitly.
-   </para>
-   <para>
-    The other way to copy foreign objects is by passing a page from
-    one <classname>QPDF</classname> to another by calling
-    <function>QPDF::addPage</function>.  In contrast to
-    <function>QPDF::makeIndirectObject</function>, this method
-    automatically distinguishes between indirect objects in the
-    current file, foreign objects, and direct objects.
-   </para>
-   <para>
-    Please note: when you copy objects from one
-    <classname>QPDF</classname> to another, the source
-    <classname>QPDF</classname> object must remain valid until you
-    have finished with the destination object. This is because the
-    original object is still used to retrieve any referenced stream
-    data from the copied object.
-   </para>
-  </sect1>
-  <sect1 id="ref.rewriting">
-   <title>Writing PDF Files</title>
-   <para>
-    The qpdf library supports file writing of
-    <classname>QPDF</classname> objects to PDF files through the
-    <classname>QPDFWriter</classname> class.  The
-    <classname>QPDFWriter</classname> class has two writing modes: one
-    for non-linearized files, and one for linearized files.  See <xref
-    linkend="ref.linearization"/> for a description of linearization
-    is implemented.  This section describes how we write
-    non-linearized files including the creation of QDF files (see
-    <xref linkend="ref.qdf"/>.
-   </para>
-   <para>
-    This outline was written prior to implementation and is not
-    exactly accurate, but it provides a correct &ldquo;notional&rdquo;
-    idea of how writing works.  Look at the code in
-    <classname>QPDFWriter</classname> for exact details.
-    <itemizedlist>
-     <listitem>
-      <para>
-       Initialize state:
-       <itemizedlist>
-        <listitem>
-         <para>
-          next object number = 1
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          object queue = empty
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          renumber table: old object id/generation to new id/0 = empty
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          xref table: new id -> offset = empty
-         </para>
-        </listitem>
-       </itemizedlist>
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Create a QPDF object from a file.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Write header for new PDF file.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Request the trailer dictionary.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       For each value that is an indirect object, grab the next object
-       number (via an operation that returns and increments the
-       number).  Map object to new number in renumber table.  Push
-       object onto queue.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       While there are more objects on the queue:
-       <itemizedlist>
-        <listitem>
-         <para>
-          Pop queue.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Look up object's new number <emphasis>n</emphasis> in the
-          renumbering table.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Store current offset into xref table.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Write <literal><replaceable>n</replaceable> 0 obj</literal>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          If object is null, whether direct or indirect, write out
-          null, thus eliminating unresolvable indirect object
-          references.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          If the object is a stream stream, write stream contents,
-          piped through any filters as required, to a memory buffer.
-          Use this buffer to determine the stream length.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          If object is not a stream, array, or dictionary, write out
-          its contents.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          If object is an array or dictionary (including stream),
-          traverse its elements (for array) or values (for
-          dictionaries), handling recursive dictionaries and arrays,
-          looking for indirect objects.  When an indirect object is
-          found, if it is not resolvable, ignore.  (This case is
-          handled when writing it out.)  Otherwise, look it up in the
-          renumbering table.  If not found, grab the next available
-          object number, assign to the referenced object in the
-          renumbering table, and push the referenced object onto the
-          queue.  As a special case, when writing out a stream
-          dictionary, replace length, filters, and decode parameters
-          as required.
-         </para>
-         <para>
-          Write out dictionary or array, replacing any unresolvable
-          indirect object references with null (pdf spec says
-          reference to non-existent object is legal and resolves to
-          null) and any resolvable ones with references to the
-          renumbered objects.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          If the object is a stream, write
-          <literal>stream\n</literal>, the stream contents (from the
-          memory buffer), and <literal>\nendstream\n</literal>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When done, write <literal>endobj</literal>.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    Once we have finished the queue, all referenced objects will have
-    been written out and all deleted objects or unreferenced objects
-    will have been skipped.  The new cross-reference table will
-    contain an offset for every new object number from 1 up to the
-    number of objects written.  This can be used to write out a new
-    xref table.  Finally we can write out the trailer dictionary with
-    appropriately computed /ID (see spec, 8.3, File Identifiers), the
-    cross reference table offset, and <literal>%%EOF</literal>.
-   </para>
-  </sect1>
-  <sect1 id="ref.filtered-streams">
-   <title>Filtered Streams</title>
-   <para>
-    Support for streams is implemented through the
-    <classname>Pipeline</classname> interface which was designed for
-    this package.
-   </para>
-   <para>
-    When reading streams, create a series of
-    <classname>Pipeline</classname> objects.  The
-    <classname>Pipeline</classname> abstract base requires
-    implementation <function>write()</function> and
-    <function>finish()</function> and provides an implementation of
-    <function>getNext()</function>.  Each pipeline object, upon
-    receiving data, does whatever it is going to do and then writes
-    the data (possibly modified) to its successor.  Alternatively, a
-    pipeline may be an end-of-the-line pipeline that does something
-    like store its output to a file or a memory buffer ignoring a
-    successor.  For additional details, look at
-    <filename>Pipeline.hh</filename>.
-   </para>
-   <para>
-    <classname>QPDF</classname> can read raw or filtered streams.
-    When reading a filtered stream, the <classname>QPDF</classname>
-    class creates a <classname>Pipeline</classname> object for one of
-    each appropriate filter object and chains them together.  The last
-    filter should write to whatever type of output is required.  The
-    <classname>QPDF</classname> class has an interface to write raw or
-    filtered stream contents to a given pipeline.
-   </para>
-  </sect1>
- </chapter>
- <chapter id="ref.linearization">
-  <title>Linearization</title>
-  <para>
-   This chapter describes how <classname>QPDF</classname> and
-   <classname>QPDFWriter</classname> implement creation and processing
-   of linearized PDFS.
-  </para>
-  <sect1 id="ref.linearization-strategy">
-   <title>Basic Strategy for Linearization</title>
-   <para>
-    To avoid the incestuous problem of having the qpdf library
-    validate its own linearized files, we have a special linearized
-    file checking mode which can be invoked via <command>qpdf
-    --check-linearization</command> (or <command>qpdf
-    --check</command>).  This mode reads the linearization parameter
-    dictionary and the hint streams and validates that object
-    ordering, parameters, and hint stream contents are correct.  The
-    validation code was first tested against linearized files created
-    by external tools (Acrobat and pdlin) and then used to validate
-    files created by <classname>QPDFWriter</classname> itself.
-   </para>
-  </sect1>
-  <sect1 id="ref.linearized.preparation">
-   <title>Preparing For Linearization</title>
-   <para>
-    Before creating a linearized PDF file from any other PDF file, the
-    PDF file must be altered such that all page attributes are
-    propagated down to the page level (and not inherited from parents
-    in the <literal>/Pages</literal> tree).  We also have to know
-    which objects refer to which other objects, being concerned with
-    page boundaries and a few other cases.  We refer to this part of
-    preparing the PDF file as <firstterm>optimization</firstterm>,
-    discussed in <xref linkend="ref.optimization"/>.  Note the, in
-    this context, the term <firstterm>optimization</firstterm> is a
-    qpdf term, and the term <firstterm>linearization</firstterm> is a
-    term from the PDF specification.  Do not be confused by the fact
-    that many applications refer to linearization as optimization or
-    web optimization.
-   </para>
-   <para>
-    When creating linearized PDF files from optimized PDF files, there
-    are really only a few issues that need to be dealt with:
-    <itemizedlist>
-     <listitem>
-      <para>
-       Creation of hints tables
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Placing objects in the correct order
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       Filling in offsets and byte sizes
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-  </sect1>
-  <sect1 id="ref.optimization">
-   <title>Optimization</title>
-   <para>
-    In order to perform various operations such as linearization and
-    splitting files into pages, it is necessary to know which objects
-    are referenced by which pages, page thumbnails, and root and
-    trailer dictionary keys.  It is also necessary to ensure that all
-    page-level attributes appear directly at the page level and are
-    not inherited from parents in the pages tree.
-   </para>
-   <para>
-    We refer to the process of enforcing these constraints as
-    <firstterm>optimization</firstterm>.  As mentioned above, note
-    that some applications refer to linearization as optimization.
-    Although this optimization was initially motivated by the need to
-    create linearized files, we are using these terms separately.
-   </para>
-   <para>
-    PDF file optimization is implemented in the
-    <filename>QPDF_optimization.cc</filename> source file.  That file
-    is richly commented and serves as the primary reference for the
-    optimization process.
-   </para>
-   <para>
-    After optimization has been completed, the private member
-    variables <varname>obj_user_to_objects</varname> and
-    <varname>object_to_obj_users</varname> in
-    <classname>QPDF</classname> have been populated.  Any object that
-    has more than one value in the
-    <varname>object_to_obj_users</varname> table is shared.  Any
-    object that has exactly one value in the
-    <varname>object_to_obj_users</varname> table is private.  To find
-    all the private objects in a page or a trailer or root dictionary
-    key, one merely has make this determination for each element in
-    the <varname>obj_user_to_objects</varname> table for the given
-    page or key.
-   </para>
-   <para>
-    Note that pages and thumbnails have different object user types,
-    so the above test on a page will not include objects referenced by
-    the page's thumbnail dictionary and nothing else.
-   </para>
-  </sect1>
-  <sect1 id="ref.linearization.writing">
-   <title>Writing Linearized Files</title>
-   <para>
-    We will create files with only primary hint streams.  We will
-    never write overflow hint streams.  (As of PDF version 1.4,
-    Acrobat doesn't either, and they are never necessary.)  The hint
-    streams contain offset information to objects that point to where
-    they would be if the hint stream were not present.  This means
-    that we have to calculate all object positions before we can
-    generate and write the hint table.  This means that we have to
-    generate the file in two passes.  To make this reliable,
-    <classname>QPDFWriter</classname> in linearization mode invokes
-    exactly the same code twice to write the file to a pipeline.
-   </para>
-   <para>
-    In the first pass, the target pipeline is a count pipeline chained
-    to a discard pipeline.  The count pipeline simply passes its data
-    through to the next pipeline in the chain but can return the
-    number of bytes passed through it at any intermediate point.  The
-    discard pipeline is an end of line pipeline that just throws its
-    data away.  The hint stream is not written and dummy values with
-    adequate padding are stored in the first cross reference table,
-    linearization parameter dictionary, and /Prev key of the first
-    trailer dictionary.  All the offset, length, object renumbering
-    information, and anything else we need for the second pass is
-    stored.
-   </para>
-   <para>
-    At the end of the first pass, this information is passed to the
-    <classname>QPDF</classname> class which constructs a compressed
-    hint stream in a memory buffer and returns it.
-    <classname>QPDFWriter</classname> uses this information to write a
-    complete hint stream object into a memory buffer.  At this point,
-    the length of the hint stream is known.
-   </para>
-   <para>
-    In the second pass, the end of the pipeline chain is a regular
-    file instead of a discard pipeline, and we have known values for
-    all the offsets and lengths that we didn't have in the first pass.
-    We have to adjust offsets that appear after the start of the hint
-    stream by the length of the hint stream, which is known.  Anything
-    that is of variable length is padded, with the padding code
-    surrounding any writing code that differs in the two passes.  This
-    ensures that changes to the way things are represented never
-    results in offsets that were gathered during the first pass
-    becoming incorrect for the second pass.
-   </para>
-   <para>
-    Using this strategy, we can write linearized files to a
-    non-seekable output stream with only a single pass to disk or
-    wherever the output is going.
-   </para>
-  </sect1>
-  <sect1 id="ref.linearization-data">
-   <title>Calculating Linearization Data</title>
-   <para>
-    Once a file is optimized, we have information about which objects
-    access which other objects.  We can then process these tables to
-    decide which part (as described in &ldquo;Linearized PDF Document
-    Structure&rdquo; in the PDF specification) each object is
-    contained within.  This tells us the exact order in which objects
-    are written.  The <classname>QPDFWriter</classname> class asks for
-    this information and enqueues objects for writing in the proper
-    order.  It also turns on a check that causes an exception to be
-    thrown if an object is encountered that has not already been
-    queued.  (This could happen only if there were a bug in the
-    traversal code used to calculate the linearization data.)
-   </para>
-  </sect1>
-  <sect1 id="ref.linearization-issues">
-   <title>Known Issues with Linearization</title>
-   <para>
-    There are a handful of known issues with this linearization code.
-    These issues do not appear to impact the behavior of linearized
-    files which still work as intended: it is possible for a web
-    browser to begin to display them before they are fully
-    downloaded.  In fact, it seems that various other programs that
-    create linearized files have many of these same issues.  These
-    items make reference to terminology used in the linearization
-    appendix of the PDF specification.
-    <itemizedlist>
-     <listitem>
-      <para>
-       Thread Dictionary information keys appear in part 4 with the
-       rest of Threads instead of in part 9.  Objects in part 9 are
-       not grouped together functionally.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       We are not calculating numerators for shared object positions
-       within content streams or interleaving them within content
-       streams.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       We generate only page offset, shared object, and outline hint
-       tables.  It would be relatively easy to add some additional
-       tables.  We gather most of the information needed to create
-       thumbnail hint tables.  There are comments in the code about
-       this.
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-  </sect1>
-  <sect1 id="ref.linearization-debugging">
-   <title>Debugging Note</title>
-   <para>
-    The <command>qpdf --show-linearization</command> command can show
-    the complete contents of linearization hint streams.  To look at
-    the raw data, you can extract the filtered contents of the
-    linearization hint tables using <command>qpdf --show-object=n
-    --filtered-stream-data</command>.  Then, to convert this into a
-    bit stream (since linearization tables are bit streams written
-    without regard to byte boundaries), you can pipe the resulting
-    data through the following perl code:
-
-    <programlisting>use bytes;
-binmode STDIN;
-undef $/;
-my $a = &lt;STDIN&gt;;
-my @ch = split(//, $a);
-map { printf("%08b", ord($_)) } @ch;
-print "\n";
-</programlisting>
-   </para>
-  </sect1>
- </chapter>
- <chapter id="ref.object-and-xref-streams">
-  <title>Object and Cross-Reference Streams</title>
-  <para>
-   This chapter provides information about the implementation of
-   object stream and cross-reference stream support in qpdf.
-  </para>
-  <sect1 id="ref.object-streams">
-   <title>Object Streams</title>
-   <para>
-    Object streams can contain any regular object except the
-    following:
-    <itemizedlist>
-     <listitem>
-      <para>
-       stream objects
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       objects with generation &gt; 0
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       the encryption dictionary
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       objects containing the /Length of another stream
-      </para>
-     </listitem>
-    </itemizedlist>
-    In addition, Adobe reader (at least as of version 8.0.0) appears
-    to not be able to handle having the document catalog appear in an
-    object stream if the file is encrypted, though this is not
-    specifically disallowed by the specification.
-   </para>
-   <para>
-    There are additional restrictions for linearized files.  See <xref
-    linkend="ref.object-streams-linearization"/>for details.
-   </para>
-   <para>
-    The PDF specification refers to objects in object streams as
-    &ldquo;compressed objects&rdquo; regardless of whether the object
-    stream is compressed.
-   </para>
-   <para>
-    The generation number of every object in an object stream must be
-    zero.  It is possible to delete and replace an object in an object
-    stream with a regular object.
-   </para>
-   <para>
-    The object stream dictionary has the following keys:
-    <itemizedlist>
-     <listitem>
-      <para>
-       <literal>/N</literal>: number of objects
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>/First</literal>: byte offset of first object
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>/Extends</literal>: indirect reference to stream that
-       this extends
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    Stream collections are formed with <literal>/Extends</literal>.
-    They must form a directed acyclic graph.  These can be used for
-    semantic information and are not meaningful to the PDF document's
-    syntactic structure.  Although qpdf preserves stream collections,
-    it never generates them and doesn't make use of this information
-    in any way.
-   </para>
-   <para>
-    The specification recommends limiting the number of objects in
-    object stream for efficiency in reading and decoding.  Acrobat 6
-    uses no more than 100 objects per object stream for linearized
-    files and no more 200 objects per stream for non-linearized files.
-    <classname>QPDFWriter</classname>, in object stream generation
-    mode, never puts more than 100 objects in an object stream.
-   </para>
-   <para>
-    Object stream contents consists of <emphasis>N</emphasis> pairs of
-    integers, each of which is the object number and the byte offset
-    of the object relative to the first object in the stream, followed
-    by the objects themselves, concatenated.
-   </para>
-  </sect1>
-  <sect1 id="ref.xref-streams">
-   <title>Cross-Reference Streams</title>
-   <para>
-    For non-hybrid files, the value following
-    <literal>startxref</literal> is the byte offset to the xref stream
-    rather than the word <literal>xref</literal>.
-   </para>
-   <para>
-    For hybrid files (files containing both xref tables and
-    cross-reference streams), the xref table's trailer dictionary
-    contains the key <literal>/XRefStm</literal> whose value is the
-    byte offset to a cross-reference stream that supplements the xref
-    table.  A PDF 1.5-compliant application should read the xref table
-    first.  Then it should replace any object that it has already seen
-    with any defined in the xref stream.  Then it should follow any
-    <literal>/Prev</literal> pointer in the original xref table's
-    trailer dictionary.  The specification is not clear about what
-    should be done, if anything, with a <literal>/Prev</literal>
-    pointer in the xref stream referenced by an xref table.  The
-    <classname>QPDF</classname> class ignores it, which is probably
-    reasonable since, if this case were to appear for any sensible PDF
-    file, the previous xref table would probably have a corresponding
-    <literal>/XRefStm</literal> pointer of its own.  For example, if a
-    hybrid file were appended, the appended section would have its own
-    xref table and <literal>/XRefStm</literal>.  The appended xref
-    table would point to the previous xref table which would point the
-    <literal>/XRefStm</literal>, meaning that the new
-    <literal>/XRefStm</literal> doesn't have to point to it.
-   </para>
-   <para>
-    Since xref streams must be read very early, they may not be
-    encrypted, and the may not contain indirect objects for keys
-    required to read them, which are these:
-    <itemizedlist>
-     <listitem>
-      <para>
-       <literal>/Type</literal>: value <literal>/XRef</literal>
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>/Size</literal>: value <emphasis>n+1</emphasis>: where
-       <emphasis>n</emphasis> is highest object number (same as
-       <literal>/Size</literal> in the trailer dictionary)
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>/Index</literal> (optional): value
-       <literal><replaceable>n count</replaceable> ...</literal>
-       used to determine which objects' information is stored in this
-       stream.  The default is <literal>0 /Size</literal>.
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>/Prev</literal>: value
-       <replaceable>offset</replaceable>: byte offset of previous xref
-       stream (same as <literal>/Prev</literal> in the trailer
-       dictionary)
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       <literal>/W ...</literal>: sizes of each field in the xref
-       table
-      </para>
-     </listitem>
-    </itemizedlist>
-   </para>
-   <para>
-    The other fields in the xref stream, which may be indirect if
-    desired, are the union of those from the xref table's trailer
-    dictionary.
-   </para>
-   <sect2 id="ref.xref-stream-data">
-    <title>Cross-Reference Stream Data</title>
-    <para>
-     The stream data is binary and encoded in big-endian byte order.
-     Entries are concatenated, and each entry has a length equal to
-     the total of the entries in <literal>/W</literal> above.  Each
-     entry consists of one or more fields, the first of which is the
-     type of the field.  The number of bytes for each field is given
-     by <literal>/W</literal> above.  A 0 in <literal>/W</literal>
-     indicates that the field is omitted and has the default value.
-     The default value for the field type is
-     &ldquo;<literal>1</literal>&rdquo;.  All other default values are
-     &ldquo;<literal>0</literal>&rdquo;.
-    </para>
-    <para>
-     PDF 1.5 has three field types:
-     <itemizedlist>
-      <listitem>
-       <para>
-        0: for free objects.  Format: <literal>0 obj
-        next-generation</literal>, same as the free table in a
-        traditional cross-reference table
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       1: regular non-compressed object.  Format: <literal>1 offset
-       generation</literal>
-      </para>
-     </listitem>
-     <listitem>
-      <para>
-       2: for objects in object streams.  Format: <literal>2
-       object-stream-number index</literal>, the number of object
-       stream containing the object and the index within the object
-       stream of the object.
-      </para>
-     </listitem>
-     </itemizedlist>
-    </para>
-    <para>
-     It seems standard to have the first entry in the table be
-     <literal>0 0 0</literal> instead of <literal>0 0 ffff</literal>
-     if there are no deleted objects.
-    </para>
-   </sect2>
-  </sect1>
-  <sect1 id="ref.object-streams-linearization">
-   <title>Implications for Linearized Files</title>
-   <para>
-    For linearized files, the linearization dictionary, document
-    catalog, and page objects may not be contained in object streams.
-   </para>
-   <para>
-    Objects stored within object streams are given the highest range
-    of object numbers within the main and first-page cross-reference
-    sections.
-   </para>
-   <para>
-    It is okay to use cross-reference streams in place of regular xref
-    tables.  There are on special considerations.
-   </para>
-   <para>
-    Hint data refers to object streams themselves, not the objects in
-    the streams.  Shared object references should also be made to the
-    object streams.  There are no reference in any hint tables to the
-    object numbers of compressed objects (objects within object
-    streams).
-   </para>
-   <para>
-    When numbering objects, all shared objects within both the first
-    and second halves of the linearized files must be numbered
-    consecutively after all normal uncompressed objects in that half.
-   </para>
-  </sect1>
-  <sect1 id="ref.object-stream-implementation">
-   <title>Implementation Notes</title>
-   <para>
-    There are three modes for writing object streams:
-    <option>disable</option>, <option>preserve</option>, and
-    <option>generate</option>.  In disable mode, we do not generate
-    any object streams, and we also generate an xref table rather than
-    xref streams.  This can be used to generate PDF files that are
-    viewable with older readers.  In preserve mode, we write object
-    streams such that written object streams contain the same objects
-    and <literal>/Extends</literal> relationships as in the original
-    file.  This is equal to disable if the file has no object streams.
-    In generate, we create object streams ourselves by grouping
-    objects that are allowed in object streams together in sets of no
-    more than 100 objects.  We also ensure that the PDF version is at
-    least 1.5 in generate mode, but we preserve the version header in
-    the other modes.  The default is <option>preserve</option>.
-   </para>
-   <para>
-    We do not support creation of hybrid files.  When we write files,
-    even in preserve mode, we will lose any xref tables and merge any
-    appended sections.
-   </para>
-  </sect1>
- </chapter>
- <appendix id="ref.release-notes">
-  <title>Release Notes</title>
-  <para>
-   For a detailed list of changes, please see the file
-   <filename>ChangeLog</filename> in the source distribution.
-  </para>
-  <variablelist>
-   <varlistentry>
-    <term>8.4.2: May 18, 2019</term>
-    <listitem>
-     <para>
-      This release has just one change: correction of a buffer overrun
-      in the Windows code used to open files. Windows users should
-      take this update. There are no code changes that affect
-      non-Windows releases.
-     </para>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.4.1: April 27, 2019</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          When <command>qpdf --version</command> is run, it will
-          detect if the qpdf CLI was built with a different version of
-          qpdf than the library, which may indicate a problem with the
-          installation.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  New option <option>--remove-page-labels</option> will remove page
-          labels before generating output. This used to happen if you
-          ran <command>qpdf --empty --pages .. --</command>, but the
-          behavior changed in qpdf 8.3.0. This option enables people
-          who were relying on the old behavior to get it again.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          New option
-          <option>--keep-files-open-threshold=<replaceable>count</replaceable></option>
-          can be used to override number of files that qpdf will use
-          to trigger the behavior of not keeping all files open when
-          merging files. This may be necessary if your system allows
-          fewer than the default value of 200 files to be open at the
-          same time.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Bug Fixes
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Handle Unicode characters in filenames on Windows. The
-          changes to support Unicode on the CLI in Windows broke
-          Unicode filenames for Windows.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Slightly tighten logic that determines whether an object is
-          a page. This should resolve problems in some rare files
-          where some non-page objects were passing qpdf's test for
-          whether something was a page, thus causing them to be
-          erroneously lost during page splitting operations.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  Revert change that included preservation of outlines
-	  (bookmarks) in <option>--split-pages</option>. The way it
-	  was implemented in 8.3.0 and 8.4.0 caused a very significant
-	  degradation of performance for splitting certain files. A
-	  future release of qpdf may re-introduce the behavior in a
-	  more performant and also more correct fashion.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          In JSON mode, add missing leading 0 to decimal values
-          between -1 and 1 even if not present in the input. The JSON
-          specification requires the leading 0. The PDF specification
-          does not.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.4.0: February 1, 2019</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Command-line Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          <emphasis>Non-compatible CLI change:</emphasis> The qpdf
-          command-line tool interprets passwords given at the
-          command-line differently from previous releases when the
-          passwords contain non-ASCII characters. In some cases, the
-          behavior differs from previous releases. For a discussion of
-          the current behavior, please see <xref
-          linkend="ref.unicode-passwords"/>. The incompatibilities are
-          as follows:
-          <itemizedlist>
-           <listitem>
-            <para>
-             On Windows, qpdf now receives all command-line options as
-             Unicode strings if it can figure out the appropriate
-             compile/link options. This is enabled at least for MSVC
-             and mingw builds. That means that if non-ASCII strings
-             are passed to the qpdf CLI in Windows, qpdf will now
-             correctly receive them. In the past, they would have
-             either been encoded as Windows code page 1252 (also known
-             as &ldquo;Windows ANSI&rdquo; or as something
-             unintelligible. In almost all cases, qpdf is able to
-             properly interpret Unicode arguments now, whereas in the
-             past, it would almost never interpret them properly. The
-             result is that non-ASCII passwords given to the qpdf CLI
-             on Windows now have a much greater chance of creating PDF
-             files that can be opened by a variety of readers. In the
-             past, usually files encrypted from the Windows CLI using
-             non-ASCII passwords would not be readable by most
-             viewers. Note that the current version of qpdf is able to
-             decrypt files that it previously created using the
-             previously supplied password.
-            </para>
-           </listitem>
-           <listitem>
-            <para>
-             The PDF specification requires passwords to be encoded as
-             UTF-8 for 256-bit encryption and with PDF Doc encoding
-             for 40-bit or 128-bit encryption. Older versions of qpdf
-             left it up to the user to provide passwords with the
-             correct encoding. The qpdf CLI now detects when a
-             password is given with UTF-8 encoding and automatically
-             transcodes it to what the PDF spec requires. While this
-             is almost always the correct behavior, it is possible to
-             override the behavior if there is some reason to do so.
-             This is discussed in more depth in <xref
-             linkend="ref.unicode-passwords"/>.
-            </para>
-           </listitem>
-          </itemizedlist>
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          New options <option>--externalize-inline-images</option>,
-          <option>--ii-min-bytes</option>, and
-          <option>--keep-inline-images</option> control qpdf's
-          handling of inline images and possible conversion of them to
-          regular images. By default,
-          <option>--optimize-images</option> now also applies to
-          inline images. These options are discussed in <xref
-          linkend="ref.advanced-transformation"/>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add options <option>--overlay</option> and
-          <option>--underlay</option> for overlaying or underlaying
-          pages of other files onto output pages. See <xref
-          linkend="ref.overlay-underlay"/> for details.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When opening an encrypted file with a password, if the
-          specified password doesn't work and the password contains
-          any non-ASCII characters, qpdf will try a number of
-          alternative passwords to try to compensate for possible
-          character encoding errors. This behavior can be suppressed
-          with the <option>--suppress-password-recovery</option>
-          option. See <xref linkend="ref.unicode-passwords"/> for a
-          full discussion.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add the <option>--password-mode</option> option to fine-tune
-          how qpdf interprets password arguments, especially when they
-          contain non-ASCII characters. See <xref
-          linkend="ref.unicode-passwords"/> for more information.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          In the <option>--pages</option> option, it is now possible
-          to copy the same page more than once from the same file
-          without using the previous workaround of specifying two
-          different paths to the same file.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          In the <option>--pages</option> option, allow use of
-          &ldquo;.&rdquo; as a shortcut for the primary input file.
-          That way, you can do <command>qpdf in.pdf --pages . 1-2 --
-          out.pdf</command> instead of having to repeat
-          <filename>in.pdf</filename> in the command.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When encrypting with 128-bit and 256-bit encryption, new
-          encryption options <option>--assemble</option>,
-          <option>--annotate</option>, <option>--form</option>, and
-          <option>--modify-other</option> allow more fine-grained
-          granularity in configuring options. Before, the
-          <option>--modify</option> option only configured certain
-          predefined groups of permissions.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Bug Fixes and Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          <emphasis>Potential data-loss bug:</emphasis> Versions of
-          qpdf between 8.1.0 and 8.3.0 had a bug that could cause page
-          splitting and merging operations to drop some font or image
-          resources if the PDF file's internal structure shared these
-          resource lists across pages and if some but not all of the
-          pages in the output did not reference all the fonts and
-          images. Using the
-          <option>--preserve-unreferenced-resources</option> option
-          would work around the incorrect behavior. This bug was the
-          result of a typo in the code and a deficiency in the test
-          suite. The case that triggered the error was known, just not
-          handled properly. This case is now exercised in qpdf's test
-          suite and properly handled.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-           When optimizing images, detect and refuse to optimize
-           images that can't be converted to JPEG because of bit depth
-           or color space.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Linearization and page manipulation APIs now detect and
-          recover from files that have duplicate Page objects in the
-          pages tree.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Using older option <option>--stream-data=compress</option>
-          with object streams, object streams and xref streams were
-          not compressed.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When the tokenizer returns inline image tokens, delimiters
-          following <literal>ID</literal> and <literal>EI</literal>
-          operators are no longer excluded. This makes it possible to
-          reliably extract the actual image data.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Library Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Add method
-          <function>QPDFPageObjectHelper::externalizeInlineImages</function>
-          to convert inline images to regular images.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method
-          <function>QUtil::possible_repaired_encodings()</function> to
-          generate a list of strings that represent other ways the
-          given string could have been encoded. This is the method the
-          QPDF CLI uses to generate the strings it tries when
-          recovering incorrectly encoded Unicode passwords.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new versions of
-          <function>QPDFWriter::setR{3,4,5,6}EncryptionParameters</function>
-          that allow more granular setting of permissions bits. See
-          <filename>QPDFWriter.hh</filename> for details.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new versions of the transcoders from UTF-8 to
-          single-byte coding systems in <classname>QUtil</classname>
-          that report success or failure rather than just substituting
-          a specified unknown character.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method <function>QUtil::analyze_encoding()</function> to
-          determine whether a string has high-bit characters and is
-          appears to be UTF-16 or valid UTF-8 encoding.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new method
-          <function>QPDFPageObjectHelper::shallowCopyPage()</function>
-          to copy a new page that is a &ldquo;shallow copy&rdquo; of a
-          page. The resulting object is an indirect object ready to be
-          passed to
-          <function>QPDFPageDocumentHelper::addPage()</function> for
-          either the original <classname>QPDF</classname> object or a
-          different one. This is what the <command>qpdf</command>
-          command-line tool uses to copy the same page multiple times
-          from the same file during splitting and merging operations.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method <function>QPDF::getUniqueId()</function>, which
-          returns a unique identifier for the given QPDF object. The
-          identifier will be unique across the life of the
-          application. The returned value can be safely used as a map
-          key.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method <function>QPDF::setImmediateCopyFrom</function>.
-          This further enhances qpdf's ability to allow a
-          <classname>QPDF</classname> object from which objects are
-          being copied to go out of scope before the destination
-          object is written. If you call this method on a
-          <classname>QPDF</classname> instances, objects copied
-          <emphasis>from</emphasis> this instance will be copied
-          immediately instead of lazily. This option uses more memory
-          but allows the source object to go out of scope before the
-          destination object is written in all cases. See comments in
-          <filename>QPDF.hh</filename> for details.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method
-          <function>QPDFPageObjectHelper::getAttribute</function> for
-          retrieving an attribute from the page dictionary taking
-          inheritance into consideration, and optionally making a copy
-          if your intention is to modify the attribute.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Fix long-standing limitation of
-          <function>QPDFPageObjectHelper::getPageImages</function> so
-          that it now properly reports images from inherited resources
-          dictionaries, eliminating the need to call
-          <function>QPDFPageDocumentHelper::pushInheritedAttributesToPage</function>
-          in this case.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method
-          <function>QPDFObjectHandle::getUniqueResourceName</function>
-          for finding an unused name in a resource dictionary.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method
-          <function>QPDFPageObjectHelper::getFormXObjectForPage</function>
-          for generating a form XObject equivalent to a page. The
-          resulting object can be used in the same file or copied to
-          another file with <function>copyForeignObject</function>.
-          This can be useful for implementing underlay, overlay, n-up,
-          thumbnails, or any other functionality requiring replication
-          of pages in other contexts.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method
-          <function>QPDFPageObjectHelper::placeFormXObject</function>
-          for generating content stream text that places a given form
-          XObject on a page, centered and fit within a specified
-          rectangle. This method takes care of computing the proper
-          transformation matrix and may optionally compensate for
-          rotation or scaling of the destination page.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Build Improvements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Add new configure option
-          <option>--enable-avoid-windows-handle</option>, which causes
-          the preprocessor symbol
-          <literal>AVOID_WINDOWS_HANDLE</literal> to be defined. When
-          defined, qpdf will avoid referencing the Windows
-          <classname>HANDLE</classname> type, which is disallowed with
-          certain versions of the Windows SDK.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          For Windows builds, attempt to determine what options, if
-          any, have to be passed to the compiler and linker to enable
-          use of <function>wmain</function>. This causes the
-          preprocessor symbol <literal>WINDOWS_WMAIN</literal> to be
-          defined. If you do your own builds with other compilers, you
-          can define this symbol to cause <function>wmain</function>
-          to be used. This is needed to allow the Windows
-          <command>qpdf</command> command to receive Unicode
-          command-line options.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.3.0: January 7, 2019</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Command-line Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Shell completion: you can now use eval <command>$(qpdf
-          --completion-bash)</command> and eval <command>$(qpdf
-          --completion-zsh)</command> to enable shell completion for
-          bash and zsh.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Page numbers (also known as page labels) are now preserved
-          when merging and splitting files with the
-          <option>--pages</option> and <option>--split-pages</option>
-          options.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Bookmarks are partially preserved when splitting pages with
-          the <option>--split-pages</option> option. Specifically, the
-          outlines dictionary and some supporting metadata are copied
-          into the split files. The result is that all bookmarks from
-          the original file appear, those that point to pages that are
-          preserved work, and those that point to pages that are not
-          preserved don't do anything. This is an interim step toward
-          proper support for bookmarks in splitting and merging
-          operations.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Page collation: add new option <option>--collate</option>.
-          When specified, the semantics of <option>--pages</option>
-          change from concatenation to collation. See <xref
-          linkend="ref.page-selection"/> for examples and discussion.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Generation of information in JSON format, primarily to
-          facilitate use of qpdf from languages other than C++. Add
-          new options <option>--json</option>,
-          <option>--json-key</option>, and
-          <option>--json-object</option> to generate a JSON
-          representation of the PDF file. Run <command>qpdf
-          --json-help</command> to get a description of the JSON
-          format. For more information, see <xref linkend="ref.json"/>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The <option>--generate-appearances</option> flag will cause
-          qpdf to generate appearances for form fields if the PDF file
-          indicates that form field appearances are out of date. This
-          can happen when PDF forms are filled in by a program that
-          doesn't know how to regenerate the appearances of the
-          filled-in fields.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The <option>--flatten-annotations</option> flag can be used
-          to <emphasis>flatten</emphasis> annotations, including form
-          fields. Ordinarily, annotations are drawn separately from
-          the page. Flattening annotations is the process of combining
-          their appearances into the page's contents. You might want
-          to do this if you are going to rotate or combine pages using
-          a tool that doesn't understand about annotations. You may
-          also want to use <option>--generate-appearances</option>
-          when using this flag since annotations for outdated form
-          fields are not flattened as that would cause loss of
-          information.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The <option>--optimize-images</option> flag tells qpdf to
-          recompresses every image using DCT (JPEG) compression as
-          long as the image is not already compressed with lossy
-          compression and recompressing the image reduces its size.
-          The additional options <option>--oi-min-width</option>,
-          <option>--oi-min-height</option>, and
-          <option>--oi-min-area</option> prevent recompression of
-          images whose width, height, or pixel area
-          (width&nbsp;&#xd7;&nbsp;height) are below a specified
-          threshold.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The <option>--show-object</option> option can now be given
-          as <option>--show-object=trailer</option> to show the
-          trailer dictionary.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Bug Fixes and Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          QPDF now automatically detects and recovers from dangling
-          references. If a PDF file contained an indirect reference to
-          a non-existent object, which is valid, when adding a new
-          object to the file, it was possible for the new object to
-          take the object ID of the dangling reference, thereby
-          causing the dangling reference to point to the new object.
-          This case is now prevented.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Fixes to form field setting code: strings are always written
-          in UTF-16 format, and checkboxes and radio buttons are
-          handled properly with respect to synchronization of values
-          and appearance states.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The <function>QPDF::checkLinearization()</function> no
-          longer causes the program to crash when it detects problems
-          with linearization data. Instead, it issues a normal warning
-          or error.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Ordinarily qpdf treats an argument of the form
-          <option>@file</option> to mean that command-line options
-          should be read from <filename>file</filename>. Now, if
-          <filename>file</filename> does not exist but
-          <filename>@file</filename> does, qpdf will treat
-          <filename>@file</filename> as a regular option. This makes
-          it possible to work more easily with PDF files whose names
-          happen to start with the <literal>@</literal> character.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Library Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Remove the restriction in most cases that the source QPDF
-          object used in a
-          <function>QPDF::copyForeignObject</function> call has to
-          stick around until the destination QPDF is written. The
-          exceptional case is when the source stream gets is data
-          using a QPDFObjectHandle::StreamDataProvider. For a more
-          in-depth discussion, see comments around
-          <function>copyForeignObject</function> in
-          <filename>QPDF.hh</filename>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new method
-          <function>QPDFWriter::getFinalVersion()</function>, which
-          returns the PDF version that will ultimately be written to
-          the final file. See comments in
-          <filename>QPDFWriter.hh</filename> for some restrictions on
-          its use.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add several methods for transcoding strings to some of the
-          character sets used in PDF files:
-          <function>QUtil::utf8_to_ascii</function>,
-          <function>QUtil::utf8_to_win_ansi</function>,
-          <function>QUtil::utf8_to_mac_roman</function>, and
-          <function>QUtil::utf8_to_utf16</function>. For the
-          single-byte encodings that support only a limited character
-          sets, these methods replace unsupported characters with a
-          specified substitute.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new methods to
-          <classname>QPDFAnnotationObjectHelper</classname> and
-          <classname>QPDFFormFieldObjectHelper</classname> for
-          querying flags and interpretation of different field types.
-          Define constants in <filename>qpdf/Constants.h</filename> to
-          help with interpretation of flag values.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new methods
-          <function>QPDFAcroFormDocumentHelper::generateAppearancesIfNeeded</function>
-          and
-          <function>QPDFFormFieldObjectHelper::generateAppearance</function>
-          for generating appearance streams. See discussion in
-          <filename>QPDFFormFieldObjectHelper.hh</filename> for
-          limitations.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add two new helper functions for dealing with resource
-          dictionaries:
-          <function>QPDFObjectHandle::getResourceNames()</function>
-          returns a list of all second-level keys, which correspond to
-          the names of resources, and
-          <function>QPDFObjectHandle::mergeResources()</function>
-          merges two resources dictionaries as long as they have
-          non-conflicting keys. These methods are useful for certain
-          types of objects that resolve resources from multiple places,
-          such as form fields.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add methods
-          <function>QPDFPageDocumentHelper::flattenAnnotations()</function>
-          and
-          <function>QPDFAnnotationObjectHelper::getPageContentForAppearance()</function>
-          for handling low-level details of annotation flattening.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new helper classes:
-          <classname>QPDFOutlineDocumentHelper</classname>,
-          <classname>QPDFOutlineObjectHelper</classname>,
-          <classname>QPDFPageLabelDocumentHelper</classname>,
-          <classname>QPDFNameTreeObjectHelper</classname>, and
-          <classname>QPDFNumberTreeObjectHelper</classname>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add method <function>QPDFObjectHandle::getJSON()</function>
-          that returns a JSON representation of the object. Call
-          <function>serialize()</function> on the result to convert it
-          to a string.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add a simple JSON serializer. This is not a complete or
-          general-purpose JSON library. It allows assembly and
-          serialization of JSON structures with some restrictions,
-          which are described in the header file. This is the
-          serializer used by qpdf's new JSON representation.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new <classname>QPDFObjectHandle::Matrix</classname>
-          class along with a few convenience methods for dealing with
-          six-element numerical arrays as matrices.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add new method
-          <function>QPDFObjectHandle::wrapInArray</function>, which returns
-          the object itself if it is an array, or an array containing
-          the object otherwise. This is a common construct in PDF.
-          This method prevents you from having to explicitly test
-          whether something is a single element or an array.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Build Improvements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          It is no longer necessary to run
-          <command>autogen.sh</command> to build from a pristine
-          checkout. Automatically generated files are now committed so
-          that it is possible to build on platforms without autoconf
-          directly from a clean checkout of the repository. The
-          <command>configure</command> script detects if the files are
-          out of date when it also determines that the tools are
-          present to regenerate them.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Pull requests and the master branch are now built
-          automatically in <ulink
-          url="https://dev.azure.com/qpdf/qpdf/_build">Azure
-          Pipelines</ulink>, which is free for open source projects.
-          The build includes Linux, mac, Windows 32-bit and 64-bit
-          with mingw and MSVC, and an AppImage build. Official qpdf
-          releases are now built with Azure Pipelines.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Notes for Packagers
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          A new section has been added to the documentation with notes
-          for packagers. Please see <xref linkend="ref.packaging"/>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The qpdf detects out-of-date automatically generated files.
-          If your packaging system automatically refreshes libtool or
-          autoconf files, it could cause this check to fail. To avoid
-          this problem, pass
-          <option>--disable-check-autofiles</option> to
-          <command>configure</command>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          If you would like to have qpdf completion enabled
-          automatically, you can install completion files in the
-          distribution's default location. You can find sample
-          completion files to install in the
-          <filename>completions</filename> directory.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.2.1: August 18, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Command-line Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-	  Add
-	  <option>--keep-files-open=<replaceable>yn</replaceable></option>
-	  to override default determination of whether to keep files
-	  open when merging. Please see the discussion of
-	  <option>--keep-files-open</option> in <xref
-	  linkend="ref.basic-options"/> for additional details.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.2.0: August 16, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Command-line Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-	  Add <option>--no-warn</option> option to suppress issuing
-	  warning messages. If there are any conditions that would
-	  have caused warnings to be issued, the exit status is still
-	  3.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Bug Fixes and Optimizations
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-	  Performance fix: optimize page merging operation to avoid
-	  unnecessary open/close calls on files being merged. This
-          solves a dramatic slow-down that was observed when merging
-          certain types of files.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Optimize how memory was used for the TIFF predictor,
-          drastically improving performance and memory usage for files
-          containing high-resolution images compressed with Flate
-          using the TIFF predictor.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  Bug fix: end of line characters were not properly handled
-	  inside strings in some cases.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  Bug fix: using <option>--progress</option> on very small
-          files could cause an infinite loop.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        API enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-	  Add new class <classname>QPDFSystemError</classname>, derived
-	  from <classname>std::runtime_error</classname>, which is now
-	  thrown by <function>QUtil::throw_system_error</function>.
-	  This enables the triggering <classname>errno</classname>
-	  value to be retrieved.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  Add <function>ClosedFileInputSource::stayOpen</function>
-	  method, enabling a
-	  <classname>ClosedFileInputSource</classname> to stay open
-	  during manually indicated periods of high activity, thus
-	  reducing the overhead of frequent open/close operations.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Build Changes
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-	  For the mingw builds, change the name of the DLL import
-	  library from <filename>libqpdf.a</filename> to
-	  <filename>libqpdf.dll.a</filename> to more accurately
-	  reflect that it is an import library rather than a static
-	  library. This potentially clears the way for supporting a
-	  static library in the future, though presently, the qpdf
-	  Windows build only builds the DLL and executables.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.1.0: June 23, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Usability Improvements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          When splitting files, qpdf detects fonts and images that the
-          document metadata claims are referenced from a page but are
-          not actually referenced and omits them from the output file.
-          This change can cause a significant reduction in the size of
-          split PDF files for files created by some software packages.
-          Prior versions of qpdf would believe the document metadata
-          and sometimes include all the images from all the other
-          pages even though the pages were no longer present. In the
-          unlikely event that the old behavior should be desired, it
-          can be enabled by specifying
-          <option>--preserve-unreferenced-resources</option>. For
-          additional details, please see <xref
-          linkend="ref.advanced-transformation"/>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When merging multiple PDF files, qpdf no longer leaves all
-          the files open. This makes it possible to merge numbers of
-          files that may exceed the operating system's limit for the
-          maximum number of open files.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The <option>--rotate</option> option's syntax has been
-          extended to make the page range optional. If you specify
-          <option>--rotate=<replaceable>angle</replaceable></option>
-          without specifying a page range, the rotation will be
-          applied to all pages. This can be especially useful for
-          adjusting a PDF created from a multi-page document that
-          was scanned upside down.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When merging multiple files, the <option>--verbose</option>
-          option now prints information about each file as it operates
-          on that file.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When the <option>--progress</option> option is specified,
-          qpdf will print a running indicator of its best guess at how
-          far through the writing process it is. Note that, as with
-          all progress meters, it's an approximation. This option is
-          implemented in a way that makes it useful for software that
-          uses the qpdf library; see API Enhancements below.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Bug Fixes
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Properly decrypt files that use revision 3 of the standard
-          security handler but use 40 bit keys (even though revision 3
-          supports 128-bit keys).
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Limit depth of nested data structures to prevent crashes
-          from certain types of malformed (malicious) PDFs.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          In &ldquo;newline before endstream&rdquo; mode, insert the
-          required extra newline before the
-          <literal>endstream</literal> at the end of object streams.
-          This one case was previously omitted.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        API Enhancements
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          The first round of higher level &ldquo;helper&rdquo;
-          interfaces has been introduced. These are designed to
-          provide a more convenient way of interacting with certain
-          document features than using
-          <classname>QPDFObjectHandle</classname> directly. For
-          details on helpers, see <xref
-          linkend="ref.helper-classes"/>. Specific additional
-          interfaces are described below.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add two new document helper classes:
-          <classname>QPDFPageDocumentHelper</classname> for working
-          with pages, and
-          <classname>QPDFAcroFormDocumentHelper</classname> for
-          working with interactive forms. No old methods have been
-          removed, but <classname>QPDFPageDocumentHelper</classname>
-          is now the preferred way to perform operations on pages
-          rather than calling the old methods in
-          <classname>QPDFObjectHandle</classname> and
-          <classname>QPDF</classname> directly. Comments in the header
-          files direct you to the new interfaces. Please see the
-          header files and <filename>ChangeLog</filename> for
-          additional details.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Add three new object helper class:
-          <classname>QPDFPageObjectHelper</classname> for pages,
-          <classname>QPDFFormFieldObjectHelper</classname> for
-          interactive form fields, and
-          <classname>QPDFAnnotationObjectHelper</classname> for
-          annotations. All three classes are fairly sparse at the
-          moment, but they have some useful, basic functionality.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          A new example program
-          <filename>examples/pdf-set-form-values.cc</filename> has
-          been added that illustrates use of the new document and
-          object helpers.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The method
-          <function>QPDFWriter::registerProgressReporter</function>
-          has been added. This method allows you to register a
-          function that is called by <classname>QPDFWriter</classname>
-          to update your idea of the percentage it thinks it is
-          through writing its output. Client programs can use this to
-          implement reasonably accurate progress meters. The
-          <command>qpdf</command> command line tool uses this to
-          implement its <option>--progress</option> option.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          New methods
-          <function>QPDFObjectHandle::newUnicodeString</function> and
-          <function>QPDFObject::unparseBinary</function> have been
-          added to allow for more convenient creation of strings that
-          are explicitly encoded using big-endian UTF-16. This is
-          useful for creating strings that appear outside of content
-          streams, such as labels, form fields, outlines, document
-          metadata, etc.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          A new class
-          <classname>QPDFObjectHandle::Rectangle</classname> has been
-          added to ease working with PDF rectangles, which are just
-          arrays of four numeric values.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.0.2: March 6, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        When a loop is detected while following cross reference
-        streams or tables, treat this as damage instead of silently
-        ignoring the previous table. This prevents loss of otherwise
-        recoverable data in some damaged files.
-       </para>
-      </listitem>
-     </itemizedlist>
-     <itemizedlist>
-      <listitem>
-       <para>
-         Properly handle pages with no contents.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.0.1: March 4, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Disregard data check errors when uncompressing
-        <option>/FlateDecode</option> streams. This is consistent with
-        most other PDF readers and allows qpdf to recover data from
-        another class of malformed PDF files.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        On the command line when specifying page ranges, support
-        preceding a page number by &ldquo;r&rdquo; to indicate that it
-        should be counted from the end. For example, the range
-        <literal>r3-r1</literal> would indicate the last three pages
-        of a document.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>8.0.0: February 25, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Packaging and Distribution Changes
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          QPDF is now distributed as an <ulink
-          url="https://appimage.org/">AppImage</ulink> in addition to
-          all the other ways it is distributed. The AppImage can be
-          found in the download area with the other packages. Thanks
-          to Kurt Pfeifle and Simon Peter for their contributions.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Bug Fixes
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          <function>QPDFObjectHandle::getUTF8Val</function> now
-          properly treats non-Unicode strings as encoded with PDF Doc
-          Encoding.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Improvements to handling of objects in PDF files that are
-          not of the expected type. In most cases, qpdf will be able
-          to warn for such cases rather than fail with an exception.
-          Previous versions of qpdf would sometimes fail with errors
-          such as &ldquo;operation for dictionary object attempted on
-          object of wrong type&rdquo;. This situation should be mostly
-          or entirely eliminated now.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        Enhancements to the <command>qpdf</command> Command-line Tool.
-        All new options listed here are documented in more detail in
-        <xref linkend="ref.using"/>.
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          The option
-          <option>--linearize-pass1=<replaceable>file</replaceable></option>
-          has been added for debugging qpdf's linearization code.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          The option <option>--coalesce-contents</option> can be used
-          to combine content streams of a page whose contents are an
-          array of streams into a single stream.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-      <listitem>
-       <para>
-        API Enhancements. All new API calls are documented in their
-        respective classes' header files. There are no non-compatible
-        changes to the API.
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Add function <function>qpdf_check_pdf</function> to the C API.
-          This function does basic checking that is a subset of what
-          <command>qpdf --check</command> performs.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Major enhancements to the lexical layer of qpdf. For a
-          complete list of enhancements, please refer to the
-          <filename>ChangeLog</filename> file. Most of the changes
-          result in improvements to qpdf's ability handle erroneous
-          files. It is also possible for programs to handle
-          whitespace, comments, and inline images as tokens.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          New API for working with PDF content streams at a lexical
-          level. The new class
-          <classname>QPDFObjectHandle::TokenFilter</classname> allows
-          the developer to provide token handlers. Token filters can be
-          used with several different methods in
-          <classname>QPDFObjectHandle</classname> as well as with a
-          lower-level interface. See comments in
-          <filename>QPDFObjectHandle.hh</filename> as well as the new
-          examples <filename>examples/pdf-filter-tokens.cc</filename>
-          and <filename>examples/pdf-count-strings.cc</filename> for
-          details.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>7.1.1: February 4, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Bug fix: files whose /ID fields were other than 16 bytes long
-        can now be properly linearized
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        A few compile and link issues have been corrected for some
-        platforms.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>7.1.0: January 14, 2018</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        PDF files contain streams that may be compressed with various
-        compression algorithms which, in some cases, may be enhanced
-        by various predictor functions. Previously only the PNG up
-        predictor was supported. In this version, all the PNG
-        predictors as well as the TIFF predictor are supported. This
-        increases the range of files that qpdf is able to handle.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        QPDF now allows a raw encryption key to be specified in place
-        of a password when opening encrypted files, and will
-        optionally display the encryption key used by a file. This is
-        a non-standard operation, but it can be useful in certain
-        situations. Please see the discussion of
-        <option>--password-is-hex-key</option> in <xref
-        linkend="ref.basic-options"/> or the comments around
-        <function>QPDF::setPasswordIsHexKey</function> in
-        <filename>QPDF.hh</filename> for additional details.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Bug fix: numbers ending with a trailing decimal point are now
-        properly recognized as numbers.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Bug fix: when building qpdf from source on some platforms
-        (especially MacOS), the build could get confused by older
-        versions of qpdf installed on the system. This has been
-        corrected.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>7.0.0: September 15, 2017</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Packaging and Distribution Changes
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          QPDF's primary license is now <ulink
-          url="http://www.apache.org/licenses/LICENSE-2.0">version 2.0
-          of the Apache License</ulink> rather than version 2.0 of the
-          Artistic License. You may still, at your option, consider
-          qpdf to be licensed with version 2.0 of the Artistic
-          license.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          QPDF no longer has a dependency on the PCRE (Perl-Compatible
-          Regular Expression) library. QPDF now has an added
-          dependency on the JPEG library.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Bug Fixes
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          This release contains many bug fixes for various infinite
-          loops, memory leaks, and other memory errors that could be
-          encountered with specially crafted or otherwise erroneous
-          PDF files.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-     <itemizedlist>
-      <listitem>
-       <para>
-        New Features
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          QPDF now supports reading and writing streams encoded with
-          JPEG or RunLength encoding. Library API enhancements and
-          command-line options have been added to control this
-          behavior. See command-line options
-          <option>--compress-streams</option> and
-          <option>--decode-level</option> and methods
-          <function>QPDFWriter::setCompressStreams</function> and
-          <function>QPDFWriter::setDecodeLevel</function>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          QPDF is much better at recovering from broken files. In most
-          cases, qpdf will skip invalid objects and will preserve
-          broken stream data by not attempting to filter broken
-          streams. QPDF is now able to recover or at least not crash
-          on dozens of broken test files I have received over the past
-          few years.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Page rotation is now supported and accessible from both the
-          library and the command line.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          <classname>QPDFWriter</classname> supports writing files in
-          a way that preserves PCLm compliance in support of
-          driverless printing. This is very specialized and is only
-          useful to applications that already know how to create PCLm
-          files.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Enhancements to the <command>qpdf</command> Command-line Tool.
-        All new options listed here are documented in more detail in
-        <xref linkend="ref.using"/>.
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          Command-line arguments can now be read from files or
-          standard input using <literal>@file</literal> or
-          <literal>@-</literal> syntax. Please see <xref
-          linkend="ref.invocation"/>.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          <option>--rotate</option>: request page rotation
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          <option>--newline-before-endstream</option>: ensure that a
-          newline appears before every <literal>endstream</literal>
-          keyword in the file; used to prevent qpdf from breaking
-          PDF/A compliance on already compliant files.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          <option>--preserve-unreferenced</option>: preserve
-          unreferenced objects in the input PDF
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  <option>--split-pages</option>: break output into chunks
-          with fixed numbers of pages
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  <option>--verbose</option>: print the name of each output
-          file that is created
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          <option>--compress-streams</option> and
-          <option>--decode-level</option> replace
-          <option>--stream-data</option> for improving granularity of
-          controlling compression and decompression of stream data.
-          The <option>--stream-data</option> option will remain
-          available.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          When running <command>qpdf --check</command> with other
-          options, checks are always run first. This enables qpdf to
-          perform its full recovery logic before outputting other
-          information. This can be especially useful when manually
-          recovering broken files, looking at qpdf's regenerated cross
-          reference table, or other similar operations.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          Process <command>--pages</command> earlier so that other
-          options like <option>--show-pages</option> or
-          <option>--split-pages</option> can operate on the file after
-          page splitting/merging has occurred.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-     <itemizedlist>
-      <listitem>
-       <para>
-        API Changes. All new API calls are documented in their
-        respective classes' header files.
-       </para>
-       <itemizedlist>
-        <listitem>
-         <para>
-          <function>QPDFObjectHandle::rotatePage</function>: apply
-          rotation to a page object
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          <function>QPDFWriter::setNewlineBeforeEndstream</function>:
-          force newline to appear before <literal>endstream</literal>
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          <function>QPDFWriter::setPreserveUnreferencedObjects</function>:
-          preserve unreferenced objects that appear in the input PDF.
-          The default behavior is to discard them.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-          New <classname>Pipeline</classname> types
-          <classname>Pl_RunLength</classname> and
-          <classname>Pl_DCT</classname> are available for developers
-          who wish to produce or consume RunLength or DCT stream data
-          directly. The <filename>examples/pdf-create.cc</filename>
-          example illustrates their use.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  <function>QPDFWriter::setCompressStreams</function> and
-	  <function>QPDFWriter::setDecodeLevel</function> methods
-	  control handling of different types of stream compression.
-         </para>
-        </listitem>
-        <listitem>
-         <para>
-	  Add new C API functions
-	  <function>qpdf_set_compress_streams</function>,
-	  <function>qpdf_set_decode_level</function>,
-	  <function>qpdf_set_preserve_unreferenced_objects</function>,
-	  and <function>qpdf_set_newline_before_endstream</function>
-	  corresponding to the new <classname>QPDFWriter</classname>
-	  methods.
-         </para>
-        </listitem>
-       </itemizedlist>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>6.0.0: November 10, 2015</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Implement <option>--deterministic-id</option> command-line
-        option and <function>QPDFWriter::setDeterministicID</function>
-        as well as C API function
-        <function>qpdf_set_deterministic_ID</function> for generating
-        a deterministic ID for non-encrypted files. When this option
-        is selected, the ID of the file depends on the contents of the
-        output file, and not on transient items such as the timestamp
-        or output file name.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Make qpdf more tolerant of files whose xref table entries are
-        not the correct length.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>5.1.3: May 24, 2015</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Bug fix: fix-qdf was not properly handling files that
-        contained object streams with more than 255 objects in them.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Bug fix: qpdf was not properly initializing Microsoft's secure
-        crypto provider on fresh Windows installations that had not
-        had any keys created yet.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Fix a few errors found by Gynvael Coldwind and
-	Mateusz Jurczyk of the Google Security Team. Please see the
-        ChangeLog for details.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Properly handle pages that have no contents at all. There were
-        many cases in which qpdf handled this fine, but a few methods
-        blindly obtained page contents with handling the possibility
-        that there were no contents.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Make qpdf more robust for a few more kinds of problems that
-        may occur in invalid PDF files.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>5.1.2: June 7, 2014</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Bug fix: linearizing files could create a corrupted output
-        file under extremely unlikely file size circumstances. See
-        ChangeLog for details. The odds of getting hit by this are
-        very low, though one person did.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Bug fix: qpdf would fail to write files that had streams with
-        decode parameters referencing other streams.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        New example program: <command>pdf-split-pages</command>:
-        efficiently split PDF files into individual pages. The example
-        program does this more efficiently than using <command>qpdf
-        --pages</command> to do it.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Packaging fix: Visual C++ binaries did not support Windows XP.
-        This has been rectified by updating the compilers used to
-        generate the release binaries.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>5.1.1: January 14, 2014</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Performance fix: copying foreign objects could be very slow
-        with certain types of files.  This was most likely to be
-        visible during page splitting and was due to traversing the
-        same objects multiple times in some cases.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>5.1.0: December 17, 2013</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Added runtime option
-        (<function>QUtil::setRandomDataProvider</function>) to supply
-        your own random data provider.  You can use this if you want
-        to avoid using the OS-provided secure random number generation
-        facility or stdlib's less secure version.  See comments in
-        include/qpdf/QUtil.hh for details.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Fixed image comparison tests to not create 12-bit-per-pixel
-        images since some versions of tiffcmp have bugs in comparing
-        them in some cases.  This increases the disk space required by
-        the image comparison tests, which are off by default anyway.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Introduce a number of small fixes for compilation on the
-        latest clang in MacOS and the latest Visual C++ in Windows.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Be able to handle broken files that end the xref table header
-        with a space instead of a newline.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>5.0.1: October 18, 2013</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Thanks to a detailed review by Florian Weimer and the Red Hat
-        Product Security Team, this release includes a number of
-        non-user-visible security hardening changes.  Please see the
-        ChangeLog file in the source distribution for the complete
-        list.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        When available, operating system-specific secure random number
-        generation is used for generating initialization vectors and
-        other random values used during encryption or file creation.
-        For the Windows build, this results in an added dependency on
-        Microsoft's cryptography API.  To disable the OS-specific
-        cryptography and use the old version, pass the
-        <option>--enable-insecure-random</option> option to
-        <command>./configure</command>.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        The <command>qpdf</command> command-line tool now issues a
-        warning when <option>-accessibility=n</option> is specified
-        for newer encryption versions stating that the option is
-        ignored.  qpdf, per the spec, has always ignored this flag,
-        but it previously did so silently.  This warning is issued
-        only by the command-line tool, not by the library.  The
-        library's handling of this flag is unchanged.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>5.0.0: July 10, 2013</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Bug fix: previous versions of qpdf would lose objects with
-        generation != 0 when generating object streams.  Fixing this
-        required changes to the public API.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Removed methods from public API that were only supposed to be
-        called by QPDFWriter and couldn't realistically be called
-        anywhere else.  See ChangeLog for details.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        New <type>QPDFObjGen</type> class added to represent an object
-        ID/generation pair.
-        <function>QPDFObjectHandle::getObjGen()</function> is now
-        preferred over
-        <function>QPDFObjectHandle::getObjectID()</function> and
-        <function>QPDFObjectHandle::getGeneration()</function> as it
-        makes it less likely for people to accidentally write code
-        that ignores the generation number.  See
-        <filename>QPDF.hh</filename> and
-        <filename>QPDFObjectHandle.hh</filename> for additional notes.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add <option>--show-npages</option> command-line option to the
-        <command>qpdf</command> command to show the number of pages in
-        a file.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Allow omission of the page range within
-        <option>--pages</option> for the <command>qpdf</command>
-        command.  When omitted, the page range is implicitly taken to
-        be all the pages in the file.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Various enhancements were made to support different types of
-        broken files or broken readers.  Details can be found in
-        <filename>ChangeLog</filename>.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>4.1.0: April 14, 2013</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Note to people including qpdf in distributions: the
-        <filename>.la</filename> files generated by libtool are now
-        installed by qpdf's <command>make install</command> target.
-        Before, they were not installed.  This means that if your
-        distribution does not want to include <filename>.la</filename>
-        files, you must remove them as part of your packaging process.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Major enhancement: API enhancements have been made to support
-        parsing of content streams.  This enhancement includes the
-        following changes:
-        <itemizedlist>
-         <listitem>
-          <para>
-           <function>QPDFObjectHandle::parseContentStream</function>
-           method parses objects in a content stream and calls
-           handlers in a callback class.  The example
-           <filename>examples/pdf-parse-content.cc</filename>
-           illustrates how this may be used.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           <type>QPDFObjectHandle</type> can now represent operators
-           and inline images, object types that may only appear in
-           content streams.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Method <function>QPDFObjectHandle::getTypeCode()</function>
-           returns an enumerated type value representing the
-           underlying object type.  Method
-           <function>QPDFObjectHandle::getTypeName()</function>
-           returns a text string describing the name of the type of a
-           <type>QPDFObjectHandle</type> object.  These methods can be
-           used for more efficient parsing and debugging/diagnostic
-           messages.
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        <command>qpdf --check</command> now parses all pages' content
-        streams in addition to doing other checks.  While there are
-        still many types of errors that cannot be detected, syntactic
-        errors in content streams will now be reported.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Minor compilation enhancements have been made to facilitate
-        easier for support for a broader range of compilers and
-        compiler versions.
-        <itemizedlist>
-         <listitem>
-          <para>
-           Warning flags have been moved into a separate variable in
-           <filename>autoconf.mk</filename>
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           The configure flag <option>--enable-werror</option> work
-           for Microsoft compilers
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           All MSVC CRT security warnings have been resolved.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           All C-style casts in C++ Code have been replaced by C++
-           casts, and many casts that had been included to suppress
-           higher warning levels for some compilers have been removed,
-           primarily for clarity.  Places where integer type coercion
-           occurs have been scrutinized.  A new casting policy has
-           been documented in the manual.  This is of concern mainly
-           to people porting qpdf to new platforms or compilers.  It
-           is not visible to programmers writing code that uses the
-           library
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Some internal limits have been removed in code that
-           converts numbers to strings.  This is largely invisible to
-           users, but it does trigger a bug in some older versions of
-           mingw-w64's C++ library.  See
-           <filename>README-windows.md</filename> in the source
-           distribution if you think this may affect you.  The copy of
-           the DLL distributed with qpdf's binary distribution is not
-           affected by this problem.
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        The RPM spec file previously included with qpdf has been
-        removed.  This is because virtually all Linux distributions
-        include qpdf now that it is a dependency of CUPS filters.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        A few bug fixes are included:
-        <itemizedlist>
-         <listitem>
-          <para>
-           Overridden compressed objects are properly handled.
-           Before, there were certain constructs that could cause qpdf
-           to see old versions of some objects.  The most usual
-           manifestation of this was loss of filled in form values for
-           certain files.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Installation no longer uses GNU/Linux-specific versions of
-           some commands, so <command>make install</command> works on
-           Solaris with native tools.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           The 64-bit mingw Windows binary package no longer includes
-           a 32-bit DLL.
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>4.0.1: January 17, 2013</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Fix detection of binary attachments in test suite to avoid
-        false test failures on some platforms.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add clarifying comment in <filename>QPDF.hh</filename> to
-        methods that return the user password explaining that it is no
-        longer possible with newer encryption formats to recover the
-        user password knowing the owner password.  In earlier
-        encryption formats, the user password was encrypted in the
-        file using the owner password.  In newer encryption formats, a
-        separate encryption key is used on the file, and that key is
-        independently encrypted using both the user password and the
-        owner password.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>4.0.0: December 31, 2012</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Major enhancement: support has been added for newer encryption
-        schemes supported by version X of Adobe Acrobat.  This
-        includes use of 127-character passwords, 256-bit encryption
-        keys, and the encryption scheme specified in ISO 32000-2, the
-        PDF 2.0 specification.  This scheme can be chosen from the
-        command line by specifying use of 256-bit keys.  qpdf also
-        supports the deprecated encryption method used by Acrobat IX.
-        This encryption style has known security weaknesses and should
-        not be used in practice.  However, such files exist &ldquo;in
-        the wild,&rdquo; so support for this scheme is still useful.
-        New methods
-        <function>QPDFWriter::setR6EncryptionParameters</function>
-        (for the PDF 2.0 scheme) and
-        <function>QPDFWriter::setR5EncryptionParameters</function>
-        (for the deprecated scheme) have been added to enable these
-        new encryption schemes.  Corresponding functions have been
-        added to the C API as well.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Full support for Adobe extension levels in PDF version
-        information.  Starting with PDF version 1.7, corresponding to
-        ISO 32000, Adobe adds new functionality by increasing the
-        extension level rather than increasing the version.  This
-        support includes addition of the
-        <function>QPDF::getExtensionLevel</function> method for
-        retrieving the document's extension level, addition of
-        versions of
-        <function>QPDFWriter::setMinimumPDFVersion</function> and
-        <function>QPDFWriter::forcePDFVersion</function> that accept
-        an extension level, and extended syntax for specifying forced
-        and minimum versions on the command line as described in <xref
-        linkend="ref.advanced-transformation"/>.  Corresponding
-        functions have been added to the C API as well.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Minor fixes to prevent qpdf from referencing objects in the
-        file that are not referenced in the file's overall structure.
-        Most files don't have any such objects, but some files have
-        contain unreferenced objects with errors, so these fixes
-        prevent qpdf from needlessly rejecting or complaining about
-        such objects.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new generalized methods for reading and writing files
-        from/to programmer-defined sources.  The method
-        <function>QPDF::processInputSource</function> allows the
-        programmer to use any input source for the input file, and
-        <function>QPDFWriter::setOutputPipeline</function> allows the
-        programmer to write the output file through any pipeline.
-        These methods would make it possible to perform any number of
-        specialized operations, such as accessing external storage
-        systems, creating bindings for qpdf in other programming
-        languages that have their own I/O systems, etc.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new method <function>QPDF::getEncryptionKey</function> for
-        retrieving the underlying encryption key used in the file.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        This release includes a small handful of non-compatible API
-        changes.  While effort is made to avoid such changes, all the
-        non-compatible API changes in this version were to parts of
-        the API that would likely never be used outside the library
-        itself.  In all cases, the altered methods or structures were
-        parts of the <classname>QPDF</classname> that were public to
-        enable them to be called from either
-        <classname>QPDFWriter</classname> or were part of validation
-        code that was over-zealous in reporting problems in parts of
-        the file that would not ordinarily be referenced.  In no case
-        did any of the removed methods do anything worse that falsely
-        report error conditions in files that were broken in ways that
-        didn't matter.  The following public parts of the
-        <classname>QPDF</classname> class were changed in a
-        non-compatible way:
-        <itemizedlist>
-         <listitem>
-          <para>
-           Updated nested <classname>QPDF::EncryptionData</classname>
-           class to add fields needed by the newer encryption formats,
-           member variables changed to private so that future changes
-           will not require breaking backward compatibility.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Added additional parameters to
-           <function>compute_data_key</function>, which is used by
-           <classname>QPDFWriter</classname> to compute the encryption
-           key used to encrypt a specific object.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Removed the method
-           <function>flattenScalarReferences</function>.  This method
-           was previously used prior to writing a new PDF file, but it
-           has the undesired side effect of causing qpdf to read
-           objects in the file that were not referenced.  Some
-           otherwise files have unreferenced objects with errors in
-           them, so this could cause qpdf to reject files that would
-           be accepted by virtually all other PDF readers.  In fact,
-           qpdf relied on only a very small part of what
-           flattenScalarReferences did, so only this part has been
-           preserved, and it is now done directly inside
-           <classname>QPDFWriter</classname>.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Removed the method <function>decodeStreams</function>.
-           This method was used by the <option>--check</option> option
-           of the <command>qpdf</command> command-line tool to force
-           all streams in the file to be decoded, but it also suffered
-           from the problem of opening otherwise unreferenced streams
-           and thus could report false positive.  The
-           <option>--check</option> option now causes qpdf to go
-           through all the motions of writing a new file based on the
-           original one, so it will always reference and check exactly
-           those parts of a file that any ordinary viewer would check.
-          </para>
-         </listitem>
-         <listitem>
-          <para>
-           Removed the method
-           <function>trimTrailerForWrite</function>.  This method was
-           used by <classname>QPDFWriter</classname> to modify the
-           original QPDF object by removing fields from the trailer
-           dictionary that wouldn't apply to the newly written file.
-           This functionality, though generally harmless, was a poor
-           implementation and has been replaced by having QPDFWriter
-           filter these out when copying the trailer rather than
-           modifying the original QPDF object.  (Note that qpdf never
-           modifies the original file itself.)
-          </para>
-         </listitem>
-        </itemizedlist>
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Allow the PDF header to appear anywhere in the first 1024
-        bytes of the file.  This is consistent with what other readers
-        do.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Fix the <command>pkg-config</command> files to list zlib and
-        pcre in <function>Requires.private</function> to better
-        support static linking using <command>pkg-config</command>.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>3.0.2: September 6, 2012</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Bug fix: <function>QPDFWriter::setOutputMemory</function> did
-        not work when not used with
-        <function>QPDFWriter::setStaticID</function>, which made it
-        pretty much useless.  This has been fixed.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        New API call
-        <function>QPDFWriter::setExtraHeaderText</function> inserts
-        additional text near the header of the PDF file.  The intended
-        use case is to insert comments that may be consumed by a
-        downstream application, though other use cases may exist.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>3.0.1: August 11, 2012</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Version 3.0.0 included addition of files for
-        <command>pkg-config</command>, but this was not mentioned in
-        the release notes.  The release notes for 3.0.0 were updated
-        to mention this.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Bug fix: if an object stream ended with a scalar object not
-        followed by space, qpdf would incorrectly report that it
-        encountered a premature EOF.  This bug has been in qpdf since
-        version&nbsp;2.0.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>3.0.0: August 2, 2012</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Acknowledgment: I would like to express gratitude for the
-        contributions of Tobias Hoffmann toward the release of qpdf
-        version 3.0.  He is responsible for most of the implementation
-        and design of the new API for manipulating pages, and
-        contributed code and ideas for many of the improvements made
-        in version 3.0.  Without his work, this release would
-        certainly not have happened as soon as it did, if at all.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        <emphasis>Non-compatible API change:</emphasis> The version of
-        <function>QPDFObjectHandle::replaceStreamData</function> that
-        uses a <classname>StreamDataProvider</classname> no longer
-        requires (or accepts) a <varname>length</varname> parameter.
-        See <xref linkend="ref.upgrading-to-3.0"/> for an explanation.
-        While care is taken to avoid non-compatible API changes in
-        general, an exception was made this time because the new
-        interface offers an opportunity to significantly simplify
-        calling code.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Support has been added for large files.  The test suite
-        verifies support for files larger than 4 gigabytes, and manual
-        testing has verified support for files larger than 10
-        gigabytes.  Large file support is available for both 32-bit
-        and 64-bit platforms as long as the compiler and underlying
-        platforms support it.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Support for page selection (splitting and merging PDF files)
-        has been added to the <command>qpdf</command> command-line
-        tool.  See <xref linkend="ref.page-selection"/>.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Options have been added to the <command>qpdf</command>
-        command-line tool for copying encryption parameters from
-        another file.  See <xref linkend="ref.basic-options"/>.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        New methods have been added to the <classname>QPDF</classname>
-        object for adding and removing pages.  See <xref
-        linkend="ref.adding-and-remove-pages"/>.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        New methods have been added to the <classname>QPDF</classname>
-        object for copying objects from other PDF files.  See <xref
-        linkend="ref.foreign-objects"/>
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        A new method <function>QPDFObjectHandle::parse</function> has
-        been added for constructing
-        <classname>QPDFObjectHandle</classname> objects from a string
-        description.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Methods have been added to <classname>QPDFWriter</classname>
-        to allow writing to an already open stdio <type>FILE*</type>
-        addition to writing to standard output or a named file.
-        Methods have been added to <classname>QPDF</classname> to be
-        able to process a file from an already open stdio
-        <type>FILE*</type>.  This makes it possible to read and write
-        PDF from secure temporary files that have been unlinked prior
-        to being fully read or written.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        The <function>QPDF::emptyPDF</function> can be used to allow
-        creation of PDF files from scratch.  The example
-        <filename>examples/pdf-create.cc</filename> illustrates how it
-        can be used.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Several methods to take
-        <classname>PointerHolder&lt;Buffer&gt;</classname> can now
-        also accept <type>std::string</type> arguments.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Many new convenience methods have been added to the library,
-        most in <classname>QPDFObjectHandle</classname>.  See
-        <filename>ChangeLog</filename> for a full list.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        When building on a platform that supports ELF shared libraries
-        (such as Linux), symbol versions are enabled by default.  They
-        can be disabled by passing
-        <option>--disable-ld-version-script</option> to
-        <command>./configure</command>.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        The file <filename>libqpdf.pc</filename> is now installed to
-        support <command>pkg-config</command>.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Image comparison tests are off by default now since they are
-        not needed to verify a correct build or port of qpdf.  They
-        are needed only when changing the actual PDF output generated
-        by qpdf.  You should enable them if you are making deep
-        changes to qpdf itself.  See <filename>README.md</filename> for
-        details.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Large file tests are off by default but can be turned on with
-        <command>./configure</command> or by setting an environment
-        variable before running the test suite.  See
-        <filename>README.md</filename> for details.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        When qpdf's test suite fails, failures are not printed to the
-        terminal anymore by default.  Instead, find them in
-        <filename>build/qtest.log</filename>.  For packagers who are
-        building with an autobuilder, you can add the
-        <option>--enable-show-failed-test-output</option> option to
-        <command>./configure</command> to restore the old behavior.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.3.1: December 28, 2011</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Fix thread-safety problem resulting from non-thread-safe use
-        of the PCRE library.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Made a few minor documentation fixes.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add workaround for a bug that appears in some versions of
-        ghostscript to the test suite
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Fix minor build issue for Visual C++ 2010.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.3.0: August 11, 2011</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Bug fix: when preserving existing encryption on encrypted
-        files with cleartext metadata, older qpdf versions would
-        generate password-protected files with no valid password.
-        This operation now works.  This bug only affected files
-        created by copying existing encryption parameters; explicit
-        encryption with specification of cleartext metadata worked
-        before and continues to work.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Enhance <classname>QPDFWriter</classname> with a new
-        constructor that allows you to delay the specification of the
-        output file.  When using this constructor, you may now call
-        <function>QPDFWriter::setOutputFilename</function> to specify
-        the output file, or you may use
-        <function>QPDFWriter::setOutputMemory</function> to cause
-        <classname>QPDFWriter</classname> to write the resulting PDF
-        file to a memory buffer.  You may then use
-        <function>QPDFWriter::getBuffer</function> to retrieve the
-        memory buffer.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new API call <function>QPDF::replaceObject</function> for
-        replacing objects by object ID
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new API call <function>QPDF::swapObjects</function> for
-        swapping two objects by object ID
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add <function>QPDFObjectHandle::getDictAsMap</function> and
-        <function>QPDFObjectHandle::getArrayAsVector</function> to
-        allow retrieval of dictionary objects as maps and array
-        objects as vectors.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add functions <function>qpdf_get_info_key</function> and
-        <function>qpdf_set_info_key</function> to the C API for
-        manipulating string fields of the document's
-        <literal>/Info</literal> dictionary.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add functions <function>qpdf_init_write_memory</function>,
-        <function>qpdf_get_buffer_length</function>, and
-        <function>qpdf_get_buffer</function> to the C API for writing
-        PDF files to a memory buffer instead of a file.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.2.4: June 25, 2011</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Fix installation and compilation issues; no functionality
-        changes.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.2.3: April 30, 2011</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Handle some damaged streams with incorrect characters
-        following the stream keyword.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Improve handling of inline images when normalizing content
-        streams.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Enhance error recovery to properly handle files that use
-        object 0 as a regular object, which is specifically disallowed
-        by the spec.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.2.2: October 4, 2010</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Add new function <function>qpdf_read_memory</function>
-        to the C API to call
-        <function>QPDF::processMemoryFile</function>.  This was an
-        omission in qpdf 2.2.1.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.2.1: October 1, 2010</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Add new method <function>QPDF::setOutputStreams</function>
-        to replace <varname>std::cout</varname> and
-        <varname>std::cerr</varname> with other streams for generation
-        of diagnostic messages and error messages.  This can be useful
-        for GUIs or other applications that want to capture any output
-        generated by the library to present to the user in some other
-        way.  Note that QPDF does not write to
-        <varname>std::cout</varname> (or the specified output stream)
-        except where explicitly mentioned in
-        <filename>QPDF.hh</filename>, and that the only use of the
-        error stream is for warnings.  Note also that output of
-        warnings is suppressed when
-        <literal>setSuppressWarnings(true)</literal> is called.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new method <function>QPDF::processMemoryFile</function>
-        for operating on PDF files that are loaded into memory rather
-        than in a file on disk.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Give a warning but otherwise ignore empty PDF objects by
-        treating them as null.  Empty object are not permitted by the
-        PDF specification but have been known to appear in some actual
-        PDF files.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Handle inline image filter abbreviations when the appear as
-        stream filter abbreviations.  The PDF specification does not
-        allow use of stream filter abbreviations in this way, but
-        Adobe Reader and some other PDF readers accept them since they
-        sometimes appear incorrectly in actual PDF files.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Implement miscellaneous enhancements to
-        <classname>PointerHolder</classname> and
-        <classname>Buffer</classname> to support other changes.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.2.0: August 14, 2010</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Add new methods to <classname>QPDFObjectHandle</classname>
-        (<function>newStream</function> and
-        <function>replaceStreamData</function> for creating new
-        streams and replacing stream data.  This makes it possible to
-        perform a wide range of operations that were not previously
-        possible.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new helper method in
-        <classname>QPDFObjectHandle</classname>
-        (<function>addPageContents</function>) for appending or
-        prepending new content streams to a page.  This method makes
-        it possible to manipulate content streams without having to be
-        concerned whether a page's contents are a single stream or an
-        array of streams.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new method in <classname>QPDFObjectHandle</classname>:
-        <function>replaceOrRemoveKey</function>, which replaces a
-        dictionary key
-        with a given value unless the value is null, in which case it
-        removes the key instead.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add new method in <classname>QPDFObjectHandle</classname>:
-        <function>getRawStreamData</function>, which returns the raw
-        (unfiltered) stream data into a buffer.  This complements the
-        <function>getStreamData</function> method, which returns the
-        filtered (uncompressed) stream data and can only be used when
-        the stream's data is filterable.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Provide two new examples:
-        <command>pdf-double-page-size</command> and
-        <command>pdf-invert-images</command> that illustrate the newly
-        added interfaces.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Fix a memory leak that would cause loss of a few bytes for
-        every object involved in a cycle of object references.  Thanks
-        to Jian Ma for calling my attention to the leak.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.1.5: April 25, 2010</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Remove restriction of file identifier strings to 16 bytes.
-        This unnecessary restriction was preventing qpdf from being
-        able to encrypt or decrypt files with identifier strings that
-        were not exactly 16 bytes long.  The specification imposes no
-        such restriction.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.1.4: April 18, 2010</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Apply the same padding calculation fix from version 2.1.2 to
-        the main cross reference stream as well.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Since <command>qpdf --check</command> only performs limited
-        checks, clarify the output to make it clear that there still
-        may be errors that qpdf can't check.  This should make it less
-        surprising to people when another PDF reader is unable to read
-        a file that qpdf thinks is okay.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.1.3: March 27, 2010</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Fix bug that could cause a failure when rewriting PDF files
-        that contain object streams with unreferenced objects that in
-        turn reference indirect scalars.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Don't complain about (invalid) AES streams that aren't a
-        multiple of 16 bytes.  Instead, pad them before decrypting.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.1.2: January 24, 2010</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Fix bug in padding around first half cross reference stream in
-        linearized files.  The bug could cause an assertion failure
-        when linearizing certain unlucky files.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.1.1: December 14, 2009</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        No changes in functionality; insert missing include in an
-        internal library header file to support gcc 4.4, and update
-        test suite to ignore broken Adobe Reader installations.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.1: October 30, 2009</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        This is the first version of qpdf to include Windows support.
-        On Windows, it is possible to build a DLL. Additionally, a
-        partial C-language API has been introduced, which makes it
-        possible to call qpdf functions from non-C++ environments. I
-        am very grateful to Žarko  Gajic (<ulink
-        url="http://zarko-gajic.iz.hr/">http://zarko-gajic.iz.hr/</ulink>)
-        for tirelessly testing numerous pre-release versions of this
-        DLL and providing many excellent suggestions on improving the
-        interface.
-       </para>
-       <para>
-        For programming to the C interface, please see the header file
-        <filename>qpdf/qpdf-c.h</filename> and the example
-        <filename>examples/pdf-linearize.c</filename>.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Žarko Gajic has written a Delphi wrapper for qpdf, which can
-        be downloaded from qpdf's download side.  Žarko's Delphi
-        wrapper is released with the same licensing terms as qpdf
-        itself and comes with this disclaimer: &ldquo;Delphi wrapper
-        unit <filename>qpdf.pas</filename> created by Žarko Gajic
-        (<ulink
-        url="http://zarko-gajic.iz.hr/">http://zarko-gajic.iz.hr/</ulink>).
-        Use at your own risk and for whatever purpose you want.  No
-        support is provided.  Sample code is provided.&rdquo;
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Support has been added for AES encryption and crypt filters.
-        Although qpdf does not presently support files that use
-        PKI-based encryption, with the addition of AES and crypt
-        filters, qpdf is now be able to open most encrypted files
-        created with newer versions of Acrobat or other PDF creation
-        software.  Note that I have not been able to get very many
-        files encrypted in this way, so it's possible there could
-        still be some cases that qpdf can't handle.  Please report
-        them if you find them.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Many error messages have been improved to include more
-        information in hopes of making qpdf a more useful tool for PDF
-        experts to use in manually recovering damaged PDF files.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Attempt to avoid compressing metadata streams if possible.
-        This is consistent with other PDF creation applications.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Provide new command-line options for AES encrypt, cleartext
-        metadata, and setting the minimum and forced PDF versions of
-        output files.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Add additional methods to the <classname>QPDF</classname>
-        object for querying the document's permissions.  Although qpdf
-        does not enforce these permissions, it does make them
-        available so that applications that use qpdf can enforce
-        permissions.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        The <option>--check</option> option to <command>qpdf</command>
-        has been extended to include some additional information.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        There have been a handful of non-compatible API changes.  For
-        details, see <xref linkend="ref.upgrading-to-2.1"/>.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.0.6: May 3, 2009</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Do not attempt to uncompress streams that have decode
-        parameters we don't recognize.  Earlier versions of qpdf would
-        have rejected files with such streams.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.0.5: March 10, 2009</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Improve error handling in the LZW decoder, and fix a small
-        error introduced in the previous version with regard to
-        handling full tables.  The LZW decoder has been more strongly
-        verified in this release.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.0.4: February 21, 2009</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Include proper support for LZW streams encoded without the
-        &ldquo;early code change&rdquo; flag.  Special thanks to Atom
-        Smasher who reported the problem and provided an input file
-        compressed in this way, which I did not previously have.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Implement some improvements to file recovery logic.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.0.3: February 15, 2009</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Compile cleanly with gcc 4.4.
-       </para>
-      </listitem>
-      <listitem>
-       <para>
-        Handle strings encoded as UTF-16BE properly.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.0.2: June 30, 2008</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        Update test suite to work properly with a
-        non-<command>bash</command> <filename>/bin/sh</filename> and
-        with Perl 5.10.  No changes were made to the actual qpdf
-        source code itself for this release.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.0.1: May 6, 2008</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        No changes in functionality or interface.  This release
-        includes fixes to the source code so that qpdf compiles
-        properly and passes its test suite on a broader range of
-        platforms.  See <filename>ChangeLog</filename> in the source
-        distribution for details.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-   <varlistentry>
-    <term>2.0: April 29, 2008</term>
-    <listitem>
-     <itemizedlist>
-      <listitem>
-       <para>
-        First public release.
-       </para>
-      </listitem>
-     </itemizedlist>
-    </listitem>
-   </varlistentry>
-  </variablelist>
- </appendix>
- <appendix id="ref.upgrading-to-2.1">
-  <title>Upgrading from 2.0 to 2.1</title>
-  <para>
-   Although, as a general rule, we like to avoid introducing
-   source-level incompatibilities in qpdf's interface, there were a
-   few non-compatible changes made in this version.  A considerable
-   amount of source code that uses qpdf will probably compile without
-   any changes, but in some cases, you may have to update your code.
-   The changes are enumerated here.  There are also some new
-   interfaces; for those, please refer to the header files.
-  </para>
-  <itemizedlist>
-   <listitem>
-    <para>
-     QPDF's exception handling mechanism now uses
-     <classname>std::logic_error</classname> for internal errors and
-     <classname>std::runtime_error</classname> for runtime errors in
-     favor of the now removed <classname>QEXC</classname> classes used
-     in previous versions.  The <classname>QEXC</classname> exception
-     classes predated the addition of the
-     <filename>&lt;stdexcept&gt;</filename> header file to the C++
-     standard library.  Most of the exceptions thrown by the qpdf
-     library itself are still of type <classname>QPDFExc</classname>
-     which is now derived from
-     <classname>std::runtime_error</classname>.  Programs that caught
-     an instance of <classname>std::exception</classname> and
-     displayed it by calling the <function>what()</function> method
-     will not need to be changed.
-    </para>
-   </listitem>
-   <listitem>
-    <para>
-     The <classname>QPDFExc</classname> class now internally
-     represents various fields of the error condition and provides
-     interfaces for querying them.  Among the fields is a numeric
-     error code that can help applications act differently on (a small
-     number of) different error conditions.  See
-     <filename>QPDFExc.hh</filename> for details.
-    </para>
-   </listitem>
-   <listitem>
-    <para>
-     Warnings can be retrieved from qpdf as instances of
-     <classname>QPDFExc</classname> instead of strings.
-    </para>
-   </listitem>
-   <listitem>
-    <para>
-     The nested <classname>QPDF::EncryptionData</classname> class's
-     constructor takes an additional argument.  This class is
-     primarily intended to be used by
-     <classname>QPDFWriter</classname>.  There's not really anything
-     useful an end-user application could do with it.  It probably
-     shouldn't really be part of the public interface to begin with.
-     Likewise, some of the methods for computing internal encryption
-     dictionary parameters have changed to support
-     <literal>/R=4</literal> encryption.
-    </para>
-   </listitem>
-   <listitem>
-    <para>
-     The method <function>QPDF::getUserPassword</function> has been
-     removed since it didn't do what people would think it did.  There
-     are now two new methods:
-     <function>QPDF::getPaddedUserPassword</function> and
-     <function>QPDF::getTrimmedUserPassword</function>.  The first one
-     does what the old <function>QPDF::getUserPassword</function>
-     method used to do, which is to return the password with possible
-     binary padding as specified by the PDF specification.  The second
-     one returns a human-readable password string.
-    </para>
-   </listitem>
-   <listitem>
-    <para>
-     The enumerated types that used to be nested in
-     <classname>QPDFWriter</classname> have moved to top-level
-     enumerated types and are now defined in the file
-     <filename>qpdf/Constants.h</filename>.  This enables them to be
-     shared by both the C and C++ interfaces.
-    </para>
-   </listitem>
-  </itemizedlist>
- </appendix>
- <appendix id="ref.upgrading-to-3.0">
-  <title>Upgrading to 3.0</title>
-  <para>
-   For the most part, the API for qpdf version 3.0 is backward
-   compatible with versions 2.1 and later.  There are two exceptions:
-   <itemizedlist>
-    <listitem>
-     <para>
-      The method
-      <function>QPDFObjectHandle::replaceStreamData</function> that
-      uses a <classname>StreamDataProvider</classname> to provide the
-      stream data no longer takes a <varname>length</varname>
-      parameter.  While it would have been easy enough to keep the
-      parameter for backward compatibility, in this case, the
-      parameter was removed since this provides the user an
-      opportunity to simplify the calling code.  This method was
-      introduced in version 2.2.  At the time, the
-      <varname>length</varname> parameter was required in order to
-      ensure that calls to the stream data provider returned the same
-      length for a specific stream every time they were invoked.  In
-      particular, the linearization code depends on this.  Instead,
-      qpdf 3.0 and newer check for that constraint explicitly.  The
-      first time the stream data provider is called for a specific
-      stream, the actual length is saved, and subsequent calls are
-      required to return the same number of bytes.  This means the
-      calling code no longer has to compute the length in advance,
-      which can be a significant simplification.  If your code fails
-      to compile because of the extra argument and you don't want to
-      make other changes to your code, just omit the argument.
-     </para>
-    </listitem>
-    <listitem>
-     <para>
-      Many methods take <type>long long</type> instead of other
-      integer types.  Most if not all existing code should compile
-      fine with this change since such parameters had always
-      previously been smaller types.  This change was required to
-      support files larger than two gigabytes in size.
-     </para>
-    </listitem>
-   </itemizedlist>
-  </para>
- </appendix>
- <appendix id="ref.upgrading-to-4.0">
-  <title>Upgrading to 4.0</title>
-  <para>
-   While version 4.0 includes a few non-compatible API changes, it is
-   very unlikely that anyone's code would have used any of those parts
-   of the API since they generally required information that would
-   only be available inside the library.  In the unlikely event that
-   you should run into trouble, please see the ChangeLog.  See also
-   <xref linkend="ref.release-notes"/> for a complete list of the
-   non-compatible API changes made in this version.
-  </para>
- </appendix>
-</book>

_service:tar_scm:qpdf-8.4.2.tar.gz/mkinstalldirs Deleted

@@ -1,162 +0,0 @@
-#! /bin/sh
-# mkinstalldirs --- make directory hierarchy
-
-scriptversion=2009-04-28.21; # UTC
-
-# Original author: Noah Friedman <friedman@prep.ai.mit.edu>
-# Created: 1993-05-16
-# Public domain.
-#
-# This file is maintained in Automake, please report
-# bugs to <bug-automake@gnu.org> or send patches to
-# <automake-patches@gnu.org>.
-
-nl='
-'
-IFS=" ""	$nl"
-errstatus=0
-dirmode=
-
-usage="\
-Usage: mkinstalldirs -h --help --version -m MODE DIR ...
-
-Create each directory DIR (with mode MODE, if specified), including all
-leading file name components.
-
-Report bugs to <bug-automake@gnu.org>."
-
-# process command line arguments
-while test $# -gt 0 ; do
-  case $1 in
-    -h | --help | --h*)         # -h for help
-      echo "$usage"
-      exit $?
-      ;;
-    -m)                         # -m PERM arg
-      shift
-      test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
-      dirmode=$1
-      shift
-      ;;
-    --version)
-      echo "$0 $scriptversion"
-      exit $?
-      ;;
-    --)                         # stop option processing
-      shift
-      break
-      ;;
-    -*)                         # unknown option
-      echo "$usage" 1>&2
-      exit 1
-      ;;
-    *)                          # first non-opt arg
-      break
-      ;;
-  esac
-done
-
-for file
-do
-  if test -d "$file"; then
-    shift
-  else
-    break
-  fi
-done
-
-case $# in
-  0) exit 0 ;;
-esac
-
-# Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
-# mkdir -p a/c at the same time, both will detect that a is missing,
-# one will create a, then the other will try to create a and die with
-# a "File exists" error.  This is a problem when calling mkinstalldirs
-# from a parallel make.  We use --version in the probe to restrict
-# ourselves to GNU mkdir, which is thread-safe.
-case $dirmode in
-  '')
-    if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
-      echo "mkdir -p -- $*"
-      exec mkdir -p -- "$@"
-    else
-      # On NextStep and OpenStep, the 'mkdir' command does not
-      # recognize any option.  It will interpret all options as
-      # directories to create, and then abort because '.' already
-      # exists.
-      test -d ./-p && rmdir ./-p
-      test -d ./--version && rmdir ./--version
-    fi
-    ;;
-  *)
-    if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
-       test ! -d ./--version; then
-      echo "mkdir -m $dirmode -p -- $*"
-      exec mkdir -m "$dirmode" -p -- "$@"
-    else
-      # Clean up after NextStep and OpenStep mkdir.
-      for d in ./-m ./-p ./--version "./$dirmode";
-      do
-        test -d $d && rmdir $d
-      done
-    fi
-    ;;
-esac
-
-for file
-do
-  case $file in
-    /*) pathcomp=/ ;;
-    *)  pathcomp= ;;
-  esac
-  oIFS=$IFS
-  IFS=/
-  set fnord $file
-  shift
-  IFS=$oIFS
-
-  for d
-  do
-    test "x$d" = x && continue
-
-    pathcomp=$pathcomp$d
-    case $pathcomp in
-      -*) pathcomp=./$pathcomp ;;
-    esac
-
-    if test ! -d "$pathcomp"; then
-      echo "mkdir $pathcomp"
-
-      mkdir "$pathcomp" || lasterr=$?
-
-      if test ! -d "$pathcomp"; then
-	errstatus=$lasterr
-      else
-	if test ! -z "$dirmode"; then
-	  echo "chmod $dirmode $pathcomp"
-	  lasterr=
-	  chmod "$dirmode" "$pathcomp" || lasterr=$?
-
-	  if test ! -z "$lasterr"; then
-	    errstatus=$lasterr
-	  fi
-	fi
-      fi
-    fi
-
-    pathcomp=$pathcomp/
-  done
-done
-
-exit $errstatus
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "; # UTC"
-# End:

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/Makefile Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/build.mk Deleted

@@ -1,46 +0,0 @@
-BINS_qpdf = \
-    qpdf \
-    pdf_from_scratch \
-    test_driver \
-    test_large_file \
-    test_pdf_doc_encoding \
-    test_pdf_unicode \
-    test_tokenizer \
-    test_unicode_filenames
-CBINS_qpdf = qpdf-ctest
-
-TARGETS_qpdf = $(foreach B,$(BINS_qpdf) $(CBINS_qpdf),qpdf/$(OUTPUT_DIR)/$(call binname,$(B)))
-
-$(TARGETS_qpdf): $(TARGETS_libqpdf)
-
-INCLUDES_qpdf = include
-
-TC_SRCS_qpdf = $(wildcard libqpdf/*.cc) $(wildcard qpdf/*.cc)
-
-# -----
-
-XCXXFLAGS_qpdf_qpdf := $(WINDOWS_WMAIN_COMPILE)
-XLDFLAGS_qpdf_qpdf := $(WINDOWS_WMAIN_LINK)
-XCXXFLAGS_qpdf_test_unicode_filenames := $(WINDOWS_WMAIN_COMPILE)
-XLDFLAGS_qpdf_test_unicode_filenames := $(WINDOWS_WMAIN_LINK)
-
-$(foreach B,$(BINS_qpdf),$(eval \
-  OBJS_$(B) = $(call src_to_obj,qpdf/$(B).cc)))
-$(foreach B,$(CBINS_qpdf),$(eval \
-  OBJS_$(B) = $(call c_src_to_obj,qpdf/$(B).c)))
-
-ifeq ($(GENDEPS),1)
--include $(foreach B,$(BINS_qpdf) $(CBINS_qpdf),$(call obj_to_dep,$(OBJS_$(B))))
-endif
-
-$(foreach B,$(BINS_qpdf),$(eval \
-  $(OBJS_$(B)): qpdf/$(OUTPUT_DIR)/%.$(OBJ): qpdf/$(B).cc ; \
-	$(call compile,qpdf/$(B).cc,$(INCLUDES_qpdf),$(XCXXFLAGS_qpdf_$(B)))))
-
-$(foreach B,$(CBINS_qpdf),$(eval \
-  $(OBJS_$(B)): qpdf/$(OUTPUT_DIR)/%.$(OBJ): qpdf/$(B).c ; \
-	$(call c_compile,qpdf/$(B).c,$(INCLUDES_qpdf))))
-
-$(foreach B,$(BINS_qpdf) $(CBINS_qpdf),$(eval \
-  qpdf/$(OUTPUT_DIR)/$(call binname,$(B)): $(OBJS_$(B)) ; \
-	$(call makebin,$(OBJS_$(B)),$$@,$(LDFLAGS_libqpdf) $(LDFLAGS) $(XLDFLAGS_qpdf_$(B)),$(LIBS_libqpdf) $(LIBS))))

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/fix-qdf Deleted

@@ -1,397 +0,0 @@
-#!/usr/bin/env perl
-
-require 5.008_001;
-use warnings;
-use strict;
-use File::Basename;
-
-my $whoami = basename($0);
-my $dirname = dirname($0);
-
-if ((@ARGV == 1) && ($ARGV0 eq '--version'))
-{
-    exec "$dirname/qpdf", '--version';
-    exit 2;
-}
-
-my $offset = 0;
-my $last_offset = 0;
-
-my $file = shift(@ARGV);
-if (defined $file)
-{
-    open(F, "<$file") or die "$whoami: can't open $file: $!\n";
-}
-else
-{
-    $file = 'stdin';
-    open(F, "<&STDIN") or die "$whoami: can't dup stdin: $!\n";
-}
-binmode F;
-binmode STDOUT;
-
-my $line = get_line();
-if (! ((defined $line) && ($line =~ m/^%PDF-1\.\d+\b/)))
-{
-    die "$whoami: $file: not a pdf file\n";
-}
-print $line;
-$line = get_line();
-die "$whoami: $file: premature EOF\n" unless defined $line;
-print $line;
-$line = get_line();
-if (! ((defined $line) && ($line =~ m/^%QDF-1.\d+\b/)))
-{
-    die "$whoami: $file: not a qdf file\n";
-}
-print $line;
-
-my $last_obj = 0;
-my @xref = ();
-
-my $stream_start = 0;
-my $stream_length = 0;
-my $xref_offset = 0;
-my $xref_f1_nbytes = 0;
-my $xref_f2_nbytes = 0;
-my $xref_size = 0;
-
-my $cur_state = 0;
-my $st_top = ++$cur_state;
-my $st_in_obj = ++$cur_state;
-my $st_in_stream = ++$cur_state;
-my $st_after_stream = ++$cur_state;
-my $st_in_ostream_dict = ++$cur_state;
-my $st_in_ostream_offsets = ++$cur_state;
-my $st_in_ostream_outer = ++$cur_state;
-my $st_in_ostream_obj = ++$cur_state;
-my $st_in_xref_stream_dict = ++$cur_state;
-my $st_in_length = ++$cur_state;
-my $st_at_xref = ++$cur_state;
-my $st_before_trailer = ++$cur_state;
-my $st_in_trailer = ++$cur_state;
-my $st_done = ++$cur_state;
-
-my @ostream = ();
-my @ostream_offsets = ();
-my @ostream_discarded = ();
-my $ostream_idx = 0;
-my $ostream_id = 0;
-my $ostream_extends = "";
-
-my $state = $st_top;
-while (defined($line = get_line()))
-{
-    if ($state == $st_top)
-    {
-	if ($line =~ m/^(\d+) 0 obj$/)
-	{
-	    check_obj_id($1);
-	    $state = $st_in_obj;
-	}
-	elsif ($line =~ m/^xref$/)
-	{
-	    $xref_offset = $last_offset;
-	    $state = $st_at_xref;
-	}
-	print $line;
-    }
-    elsif ($state == $st_in_obj)
-    {
-	print $line;
-	if ($line =~ m/^stream$/)
-	{
-	    $state = $st_in_stream;
-	    $stream_start = $offset;
-	}
-	elsif ($line =~ m/^endobj$/)
-	{
-	    $state = $st_top;
-	}
-	elsif ($line =~ m,/Type /ObjStm,)
-	{
-	    $state = $st_in_ostream_dict;
-	    $ostream_id = $last_obj;
-	}
-	elsif ($line =~ m,/Type /XRef,)
-	{
-	    $xref_offset = $xref-11;
-	    $xref_f1_nbytes = 0;
-	    my $t = $xref_offset;
-	    while ($t)
-	    {
-		$t >>= 8;
-		++$xref_f1_nbytes;
-	    }
-            # Figure out how many bytes we need for ostream index.
-            # Make sure we get at least 1 byte even if there are no
-            # object streams.
-            my $max_objects = 1;
-            foreach my $e (@xref)
-            {
-                my ($type, $f1, $f2) = @$e;
-                if ((defined $f2) && ($f2 > $max_objects))
-                {
-                    $max_objects = $f2;
-                }
-            }
-            while ($max_objects)
-            {
-                $max_objects >>=8;
-                ++$xref_f2_nbytes;
-            }
-	    my $esize = 1 + $xref_f1_nbytes + $xref_f2_nbytes;
-	    $xref_size = 1 + @xref;
-	    my $length = $xref_size * $esize;
-	    print "  /Length $length\n";
-	    print "  /W  1 $xref_f1_nbytes $xref_f2_nbytes \n";
-	    $state = $st_in_xref_stream_dict;
-	}
-    }
-    elsif ($state == $st_in_ostream_dict)
-    {
-	if ($line =~ m/^stream/)
-	{
-	    $state = $st_in_ostream_offsets;
-	}
-	else
-	{
-	    push(@ostream_discarded, $line);
-	    if ($line =~ m,/Extends (\d+ 0 R),)
-	    {
-		$ostream_extends = $1;
-	    }
-	}
-	# discard line
-    }
-    elsif ($state == $st_in_ostream_offsets)
-    {
-	if ($line =~ m/^\%\% Object stream: object (\d+)/)
-	{
-	    check_obj_id($1);
-	    $stream_start = $last_offset;
-	    $state = $st_in_ostream_outer;
-	    push(@ostream, $line);
-	}
-	else
-	{
-	    push(@ostream_discarded, $line);
-	}
-	# discard line
-    }
-    elsif ($state == $st_in_ostream_outer)
-    {
-	adjust_ostream_xref();
-	push(@ostream_offsets, $last_offset - $stream_start);
-	$state = $st_in_ostream_obj;
-	push(@ostream, $line);
-    }
-    elsif ($state == $st_in_ostream_obj)
-    {
-	push(@ostream, $line);
-	if ($line =~ m/^\%\% Object stream: object (\d+)/)
-	{
-	    check_obj_id($1);
-	    $state = $st_in_ostream_outer;
-	}
-	elsif ($line =~ m/^endstream/)
-	{
-	    $stream_length = $last_offset - $stream_start;
-	    write_ostream();
-	    $state = $st_in_obj;
-	}
-    }
-    elsif ($state == $st_in_xref_stream_dict)
-    {
-	if ($line =~ m,/(Length|W) ,)
-	{
-	    # already printed
-	}
-	elsif ($line =~ m,/Size ,)
-	{
-	    my $size = 1 + @xref;
-	    print "  /Size $xref_size\n";
-	}
-	else
-	{
-	    print $line;
-	}
-	if ($line =~ m/^stream\n/)
-	{
-	    my $pack = "(C C$xref_f1_nbytes C$xref_f2_nbytes)";
-	    print pack($pack, 0, 0, 0);
-	    foreach my $x (@xref)
-	    {
-		my ($type, $f1, $f2) = @$x;
-		$f2 = 0 unless defined $f2;
-                my @f1 = ();
-                my @f2 = ();
-                foreach my $d (\@f1, $f1, $xref_f1_nbytes,
-                               \@f2, $f2, $xref_f2_nbytes)
-                {
-                    my ($fa, $f, $nbytes) = @$d;
-                    for (my $i = 0; $i < $nbytes; ++$i)
-                    {
-                        unshift(@$fa, $f & 0xff);
-                        $f >>= 8;
-                    }
-                }
-		print pack($pack, $type, @f1, @f2);
-	    }
-	    print "\nendstream\nendobj\n\n";
-	    print "startxref\n$xref_offset\n\%\%EOF\n";
-	    $state = $st_done;
-	}
-    }
-    elsif ($state == $st_in_stream)
-    {
-	if ($line =~ m/^endstream$/)
-	{
-	    $stream_length = $last_offset - $stream_start;
-	    $state = $st_after_stream;
-	}
-	print $line;
-    }
-    elsif ($state == $st_after_stream)
-    {
-	if ($line =~ m/^\%QDF: ignore_newline$/)
-	{
-	    --$stream_length;
-	}
-	elsif ($line =~ m/^(\d+) 0 obj$/)
-	{
-	    check_obj_id($1);
-	    $state = $st_in_length;
-	}
-	print $line;
-    }
-    elsif ($state == $st_in_length)
-    {
-	if ($line !~ m/^\d+$/)
-	{
-	    die "$file:$.: expected integer\n";
-	}
-	my $new = "$stream_length\n";
-	$offset -= length($line);
-	$offset += length($new);
-	print $new;
-	$state = $st_top;
-    }
-    elsif ($state == $st_at_xref)
-    {
-	my $n = scalar(@xref);
-	print "0 ", $n+1, "\n0000000000 65535 f \n";
-	for (@xref)
-	{
-	    my ($type, $f1, $f2) = @$_;
-	    printf("%010d 00000 n \n", $f1);
-	}
-	$state = $st_before_trailer;
-    }
-    elsif ($state == $st_before_trailer)
-    {
-	if ($line =~ m/^trailer <</)
-	{
-	    print $line;
-	    $state = $st_in_trailer;
-	}
-	# no output
-    }
-    elsif ($state == $st_in_trailer)
-    {
-	if ($line =~ m/^  \/Size \d+$/)
-	{
-	    print "  /Size ", scalar(@xref) + 1, "\n";
-	}
-	else
-	{
-	    print $line;
-	}
-	if ($line =~ m/^>>$/)
-	{
-	    print "startxref\n$xref_offset\n\%\%EOF\n";
-	    $state = $st_done;
-	}
-    }
-    elsif ($state == $st_done)
-    {
-	# ignore
-    }
-}
-
-die "$whoami: $file: premature EOF\n" unless $state == $st_done;
-
-sub get_line
-{
-    my $line = scalar(<F>);
-    if (defined $line)
-    {
-	$last_offset = $offset;
-	$offset += length($line);
-    }
-    $line;
-}
-
-sub check_obj_id
-{
-    my $cur_obj = shift;
-    if ($cur_obj != $last_obj + 1)
-    {
-	die "$file:$.: expected object ", $last_obj + 1, "\n";
-    }
-    $last_obj = $cur_obj;
-    push(@xref, 1, $last_offset);
-}
-
-sub adjust_ostream_xref
-{
-    pop(@xref);
-    push(@xref, 2, $ostream_id, $ostream_idx++);
-}
-
-sub write_ostream
-{
-    my $first = $ostream_offsets0;
-    my $onum = $ostream_id;
-    my $offsets = "";
-    my $n = scalar(@ostream_offsets);
-    for (@ostream_offsets)
-    {
-	$_ -= $first;
-	++$onum;
-	$offsets .= "$onum $_\n";
-    }
-    my $offset_adjust = length($offsets);
-    $first += length($offsets);
-    $stream_length += length($offsets);
-    my $dict_data = "";
-    $dict_data .= "  /Length $stream_length\n";
-    $dict_data .= "  /N $n\n";
-    $dict_data .= "  /First $first\n";
-    if ($ostream_extends)
-    {
-	$dict_data .= "  /Extends $ostream_extends\n";
-    }
-    $dict_data .= ">>\n";
-    $offset_adjust += length($dict_data);
-    print $dict_data;
-    print "stream\n";
-    print $offsets;
-    foreach (@ostream)
-    {
-	print $_;
-    }
-
-    for (@ostream_discarded)
-    {
-	$offset -= length($_);
-    }
-    $offset += $offset_adjust;
-
-    $ostream_idx = 0;
-    $ostream_id = 0;
-    @ostream = ();
-    @ostream_offsets = ();
-    @ostream_discarded = ();
-    $ostream_extends = "";
-}

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf.test Deleted

@@ -1,4129 +0,0 @@
-#!/usr/bin/env perl
-require 5.008;
-BEGIN { $^W = 1; }
-use strict;
-use Cwd;
-use Digest::MD5;
-use File::Basename;
-use File::Copy;
-use File::Spec;
-
-chdir("qpdf") or die "chdir testdir failed: $!\n";
-
-require TestDriver;
-
-cleanup();
-
-my $devNull = File::Spec->devnull();
-my $td = new TestDriver('qpdf');
-
-my $compare_images = 1;
-if ((exists $ENV{'QPDF_SKIP_TEST_COMPARE_IMAGES'}) &&
-    ($ENV{'QPDF_SKIP_TEST_COMPARE_IMAGES'} eq '1'))
-{
-    $compare_images = 0;
-}
-my $large_file_test_path = $ENV{'QPDF_LARGE_FILE_TEST_PATH'} || undef;
-if (defined($large_file_test_path))
-{
-    $large_file_test_path = File::Spec->rel2abs($large_file_test_path);
-    $large_file_test_path =~ s!\\!/!g;
-}
-
-# These variables are used to store the total number of tests in the
-# test suite.  NOTE: qtest's requirement to indicate the number of
-# tests serves as a check that the test suite is operating properly.
-# Do not calculate these values as a side effect of running the tests.
-# That defeats the purpose.  However, since this test suite consists
-# of several separate series of tests, many of which iterate over
-# static lists of things, we calculate the numbers as we go in terms
-# of static values.
-
-# This should be set to the number of times we called compare_pdfs.
-# This has to be kept separate because the number of test cases
-# compare_pdfs generates depends on the value of $compare_images.
-my $n_compare_pdfs = 0;
-
-# Each section of tests should increment this number by the number of
-# tests they generate excluding calls to compare_pdfs, which are
-# tracked separately by $n_compare_pdfs.
-my $n_tests = 0;
-
-# Call show_ntests after each block of test cases.  In show_ntests,
-# you can turn on printing of the expected number of test cases.  This
-# is useful for tracking down problems in the number of test cases.
-
-show_ntests();
-# ----------
-
-$n_compare_pdfs += 5;
-
-# Check compare_pdfs to make sure that it works properly.  Each call
-# to compare_pdfs is worth three test cases.
-compare_pdfs("p1-a-p2-b.pdf", "p1-a-p2-b.pdf");
-compare_pdfs("p1-a.pdf", "p1-a.pdf");
-compare_pdfs("p1-a.pdf", "p1-b.pdf", 1);
-compare_pdfs("p1-a.pdf", "p1-a-p2-b.pdf", 1);
-compare_pdfs("p1-a-p2-a.pdf", "p1-a-p2-b.pdf", 1);
-flush_tiff_cache();
-
-show_ntests();
-# ----------
-$td->notify("--- Character Encoding ---");
-$n_tests += 3;
-
-$td->runtest("PDF doc encoding to Unicode",
-	     {$td->COMMAND => "test_pdf_doc_encoding pdf-doc-to-utf8.in"},
-	     {$td->FILE => "pdf-doc-to-utf8.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("UTF-16 encoding",
-	     {$td->COMMAND => "test_pdf_unicode unicode.in"},
-	     {$td->FILE => "unicode.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("UTF-16 encoding errors",
-	     {$td->COMMAND => "test_pdf_unicode unicode-errors.in"},
-	     {$td->FILE => "unicode-errors.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-my @completion_tests = (
-    'qpdf ', undef, 'top',
-    'qpdf -', undef, 'top-arg',
-    'qpdf --enc', undef, 'enc',
-    'qpdf --encrypt ', undef, 'encrypt',
-    'qpdf --encrypt u ', undef, 'encrypt-u',
-    'qpdf --encrypt u o ', undef, 'encrypt-u-o',
-    'qpdf @encrypt-u o ', undef, 'encrypt-u-o',
-    'qpdf --encrypt u o 40 --', undef, 'encrypt-40',
-    'qpdf --encrypt u o 128 --', undef, 'encrypt-128',
-    'qpdf --encrypt u o 256 --', undef, 'encrypt-256',
-    'qpdf --encrypt u o bad --', undef, 'encrypt-bad',
-    'qpdf --split-pag', undef, 'split',
-    'qpdf --decode-l', undef, 'decode-l',
-    'qpdf --decode-lzzz', 15, 'decode-l',
-    'qpdf --decode-level=', undef, 'decode-level',
-    'qpdf --decode-level=g', undef, 'decode-level-g',
-    'qpdf --check -', undef, 'later-arg',
-    'qpdf infile outfile oops --ch', undef, 'usage-empty',
-    'qpdf --encrypt \'user " password\' ', undef, 'quoting',
-    'qpdf --encrypt \'user password\' ', undef, 'quoting',
-    'qpdf --encrypt "user password" ', undef, 'quoting',
-    'qpdf --encrypt "user pass\'word" ', undef, 'quoting',
-    'qpdf --encrypt user\ password ', undef, 'quoting',
-    );
-$n_tests += 2 * scalar(@completion_tests);
-foreach my $c (@completion_tests)
-{
-    my ($cmd, $point, $description) = @$c;
-    my $out = "completion-$description.out";
-    my $zout = "completion-$description-zsh.out";
-    if (! -f $zout)
-    {
-        $zout = $out;
-    }
-    $td->runtest("bash completion: $description",
-                 {$td->COMMAND => @{bash_completion($cmd, $point)},
-                      $td->FILTER => "perl filter-completion.pl $out"},
-                 {$td->FILE => "$out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("zsh completion: $description",
-                 {$td->COMMAND => @{zsh_completion($cmd, $point)},
-                      $td->FILTER => "perl filter-completion.pl $zout"},
-                 {$td->FILE => "$zout", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Argument Parsing ---");
-$n_tests += 6;
-
-$td->runtest("required argument",
-             {$td->COMMAND => "qpdf --password minimal.pdf"},
-	     {$td->REGEXP => "must be given as --password=pass",
-                  $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("required argument with choices",
-             {$td->COMMAND => "qpdf --decode-level minimal.pdf"},
-	     {$td->REGEXP => "must be given as --decode-level=\\{.*all.*\\}",
-                  $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("required argument with choices",
-             {$td->COMMAND => "qpdf --decode-level minimal.pdf"},
-	     {$td->REGEXP => "must be given as --decode-level=\\{.*all.*\\}",
-                  $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-copy("minimal.pdf", '@file.pdf');
-$td->runtest("\@file exists and file doesn't",
-             {$td->COMMAND => "qpdf --check \@file.pdf"},
-             {$td->FILE => "check-at-file.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("missing underlay filename",
-             {$td->COMMAND => "qpdf --underlay --"},
-             {$td->REGEXP => ".*underlay file not specified.*",
-                  $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("extra overlay filename",
-             {$td->COMMAND => "qpdf --overlay x x --"},
-             {$td->REGEXP => ".*overlay file already specified.*",
-                  $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Unicode Filenames ---");
-$n_tests += 3;
-
-$td->runtest("create unicode filenames",
-             {$td->COMMAND => "test_unicode_filenames"},
-             {$td->STRING => "created Unicode filenames\n",
-                  $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-foreach my $d ('auto-ü', 1, 'auto-öπ', 2)
-{
-    my ($u, $n) = @$d;
-    $td->runtest("unicode filename $u",
-                 {$td->COMMAND => "qpdf --check $u.pdf"},
-                 {$td->FILE => "check-unicode-filename-$n.out",
-                      $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Final Version ---");
-$n_tests += 1;
-
-$td->runtest("check final version",
-             {$td->COMMAND => "test_driver 54 minimal.pdf"},
-             {$td->STRING => "test 54 done\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Exceptions ---");
-$n_tests += 1;
-
-$td->runtest("check exception handling",
-             {$td->COMMAND => "test_driver 61 -"},
-             {$td->FILE => "exceptions.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Dangling Refs ---");
-my @dangling = (qw(minimal dangling-refs));
-$n_tests += 2 * scalar(@dangling);
-
-foreach my $f (@dangling)
-{
-    $td->runtest("dangling refs: $f",
-                 {$td->COMMAND => "test_driver 53 $f.pdf"},
-                 {$td->FILE => "$f-dangling.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "$f-dangling-out.pdf"});
-}
-show_ntests();
-# ----------
-$td->notify("--- Form Tests ---");
-
-my @form_tests = (
-    'minimal',
-    'form-empty-from-odt',
-    'form-mod1',
-    # Atril (MATE Document Viewer) 1.20.1 dumps appearance streams
-    # when modifying form fields, leaving /NeedAppearances true.
-    'form-filled-with-atril',
-    'form-bad-fields-array',
-    'form-errors',
-    );
-
-$n_tests += scalar(@form_tests) + 6;
-
-# Many of the form*.pdf files were created by converting the
-# LibreOffice document storage/form.odt to PDF and then manually
-# modifying the resulting PDF in various ways. That file would be good
-# starting point for generation of more complex forms should that be
-# required in the future. The file storage/form.pdf is a direct export
-# from LibreOffice with no modifications. The files
-# storage/field-types.odt and storage/field-types.pdf are the basis of
-# field-types.pdf used elsewhere in the test suite.
-
-foreach my $f (@form_tests)
-{
-    $td->runtest("form test: $f",
-                 {$td->COMMAND => "test_driver 43 $f.pdf"},
-                 {$td->FILE => "form-$f.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-$td->runtest("fill fields",
-             {$td->COMMAND => "test_driver 44 form-no-need-appearances.pdf"},
-             {$td->FILE => "form-no-need-appearances.out",
-                  $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("compare files",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "form-no-need-appearances-filled.pdf"});
-
-$td->runtest("button fields",
-             {$td->COMMAND => "test_driver 51 button-set.pdf"},
-             {$td->FILE => "button-set.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("compare files",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "button-set-out.pdf"});
-
-$td->runtest("broken button fields",
-             {$td->COMMAND => "test_driver 51 button-set-broken.pdf"},
-             {$td->FILE => "button-set-broken.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("compare files",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "button-set-broken-out.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Appearance Streams ---");
-$n_tests += 8;
-
-foreach my $f ('need-appearances',
-               'need-appearances-more',
-               'need-appearances-more2')
-{
-    $td->runtest("generate appearances and flatten ($f)",
-                 {$td->COMMAND =>
-                      "qpdf --qdf --no-original-object-ids --static-id" .
-                      " --generate-appearances --flatten-annotations=all" .
-                      " $f.pdf a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    my $exp = 'appearances-a';
-    if ($f =~ m/appearances(-.*)$/)
-    {
-        $exp .= $1;
-    }
-    $exp .= '.pdf';
-    $td->runtest("compare files",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => $exp});
-}
-
-$td->runtest("more choices",
-             {$td->COMMAND =>
-                  "qpdf --qdf --no-original-object-ids --static-id" .
-                  " --generate-appearances" .
-                  " more-choices.pdf b.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-# b.pdf still has forms
-$td->runtest("compare files",
-             {$td->FILE => "b.pdf"},
-             {$td->FILE => "appearances-b.pdf"});
-
-my @choice_values = qw(1 2 11 12 quack);
-$n_tests += 3 * scalar(@choice_values);
-foreach my $i (@choice_values)
-{
-    # b.pdf was generated by qpdf and needs appearances
-    # test_driver 52 writes a.pdf
-    $td->runtest("set value to $i",
-                 {$td->COMMAND => "test_driver 52 b.pdf $i"},
-                 {$td->STRING => "setting list1 value\ntest 52 done\n",
-                      $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("regenerate appearances",
-                 {$td->COMMAND =>
-                      "qpdf --qdf --no-original-object-ids --static-id" .
-                      " --generate-appearances" .
-                      " a.pdf b.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("compare files",
-                 {$td->FILE => "b.pdf"},
-                 {$td->FILE => "appearances-$i.pdf"});
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Form XObject, underlay, overlay ---");
-$n_tests += 10;
-
-$td->runtest("form xobject creation",
-             {$td->COMMAND => "test_driver 55 fxo-red.pdf"},
-             {$td->STRING => "test 55 done\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("compare files",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "form-xobjects-out.pdf"});
-foreach (my $i = 56; $i <= 59; ++$i)
-{
-    # See comments in test_driver.cc for a verbal description of what
-    # the resulting files should look like.
-    $td->runtest("overlay transformations",
-                 {$td->COMMAND => "test_driver $i fxo-red.pdf fxo-blue.pdf"},
-                 {$td->STRING => "test $i done\n", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("compare files",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "fx-overlay-$i.pdf"});
-}
-
-my @uo_cases = (
-    '--underlay fxo-green.pdf --repeat=z --to=1-14 --' .
-    ' --overlay fxo-blue.pdf --', # 1
-    '--overlay fxo-green.pdf --from= --repeat=r2,r1 --' .
-    ' --underlay fxo-blue.pdf --from=z-1 --', # 2
-    '--overlay fxo-green.pdf --from= --repeat=r2,r1 --' .
-    ' --underlay fxo-blue.pdf --from=z-1 -- --coalesce-contents', # 3
-    '--overlay fxo-green.pdf --', # 4
-    '--underlay fxo-green.pdf --to=3-7 --', # 5
-    '--overlay fxo-blue.pdf --to=1,1,1,1 --from=1-4 --' .
-    ' --pages . 1 --', #6
-    '--overlay 20-pages.pdf --password=user --', #7
-    );
-$n_tests += 2 * scalar(@uo_cases);
-for (my $i = 1; $i <= scalar(@uo_cases); ++$i)
-{
-    my $args = $uo_cases$i-1;
-    my $outbase = "uo-$i";
-    $td->runtest("overlay/underlay $i",
-                 {$td->COMMAND =>
-                      "qpdf --static-id --qdf --no-original-object-ids" .
-                      " --verbose fxo-red.pdf a.pdf $args"},
-                 {$td->FILE => "$outbase.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("compare files",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "$outbase.pdf"});
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Stream Replacement Tests ---");
-$n_tests += 8;
-
-$td->runtest("replace stream data",
-	     {$td->COMMAND => "test_driver 7 qstream.pdf"},
-	     {$td->STRING => "test 7 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "replaced-stream-data.pdf"});
-$td->runtest("replace stream data compressed",
-	     {$td->COMMAND => "test_driver 8 qstream.pdf"},
-	     {$td->FILE => "test8.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "replaced-stream-data-flate.pdf"});
-$td->runtest("new streams",
-	     {$td->COMMAND => "test_driver 9 minimal.pdf"},
-	     {$td->FILE => "test9.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("new stream",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "new-streams.pdf"});
-$td->runtest("add page contents",
-	     {$td->COMMAND => "test_driver 10 minimal.pdf"},
-	     {$td->STRING => "test 10 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("new stream",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "add-contents.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Extensions Dictionary Tests ---");
-my @ext_inputs = ('minimal.pdf', 'extensions-adbe.pdf',
-                  'extensions-other.pdf', 'extensions-adbe-other.pdf');
-my @new_versions = ('1.3', '1.6', '1.7.1', '1.7.2', '1.7.3',
-                    '1.8', '1.8.0', '1.8.2', '1.8.5');
-$n_tests += (4 * @new_versions + 3) * @ext_inputs;
-foreach my $input (@ext_inputs)
-{
-    my $base = $input;
-    $base =~ s/\.pdf$//;
-    if ($base eq 'minimal')
-    {
-        $base = 'extensions-none';
-    }
-    foreach my $version (@new_versions)
-    {
-        foreach my $op (qw(min force))
-        {
-            $td->runtest("$input: $op version to $version",
-                         {$td->COMMAND =>
-                              "qpdf --static-id" .
-                              " --$op-version=$version $input a.pdf"},
-                         {$td->STRING => "", $td->EXIT_STATUS => 0});
-            $td->runtest("check version information ($op $version)",
-                         {$td->COMMAND => "test_driver 34 a.pdf"},
-                         {$td->FILE => "$base-$op-$version.out",
-                          $td->EXIT_STATUS => 0},
-                         $td->NORMALIZE_NEWLINES);
-            if (($op eq 'force') && ($version eq '1.8.5'))
-            {
-                # Look at the actual file for a few cases to make sure
-                # qdf and non-qdf output are okay
-                $td->runtest("check file",
-                             {$td->FILE => "a.pdf"},
-                             {$td->FILE => "$base-$op-$version.pdf"});
-                $td->runtest("$input: $op version to $version",
-                             {$td->COMMAND =>
-                                  "qpdf --qdf --static-id" .
-                                  " --$op-version=$version $input a.qdf"},
-                             {$td->STRING => "", $td->EXIT_STATUS => 0});
-                $td->runtest("check file",
-                             {$td->FILE => "a.qdf"},
-                             {$td->FILE => "$base-$op-$version.qdf"});
-            }
-        }
-    }
-}
-show_ntests();
-# ----------
-$td->notify("--- Number and Name Trees ---");
-$n_tests += 2;
-
-$td->runtest("number trees",
-	     {$td->COMMAND => "test_driver 46 number-tree.pdf"},
-	     {$td->FILE => "number-tree.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("name trees",
-	     {$td->COMMAND => "test_driver 48 name-tree.pdf"},
-	     {$td->FILE => "name-tree.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Page Labels ---");
-$n_tests += 3;
-
-$td->runtest("complex page labels",
-	     {$td->COMMAND => "test_driver 47 page-labels-num-tree.pdf"},
-	     {$td->FILE => "page-labels-num-tree.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("no zero entry for page labels",
-	     {$td->COMMAND => "test_driver 47 page-labels-no-zero.pdf"},
-	     {$td->FILE => "page-labels-no-zero.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("no page labels",
-	     {$td->COMMAND => "test_driver 47 minimal.pdf"},
-	     {$td->FILE => "no-page-labels.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Outlines ---");
-my @outline_files = (
-    'page-labels-and-outlines',
-    'outlines-with-actions',
-    'outlines-with-old-root-dests',
-    'outlines-with-loop',
-    );
-$n_tests += scalar(@outline_files);
-foreach my $f (@outline_files)
-{
-    $td->runtest("outlines: $f",
-                 {$td->COMMAND => "test_driver 49 $f.pdf"},
-                 {$td->FILE => "$f.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- JSON Tests ---");
-my @json_files = (
-    'outlines-with-actions', ,
-    'outlines-with-old-root-dests', ,
-    'page-labels-and-outlines', ,
-    'page-labels-num-tree', ,
-    'image-streams', ,
-    'field-types', ,
-    'image-streams', '--decode-level=all',
-    'image-streams', '--decode-level=specialized',
-    'page-labels-and-outlines', '--json-key=objects',
-    'page-labels-and-outlines', '--json-key=pages',
-    'page-labels-and-outlines', '--json-key=pagelabels',
-    'page-labels-and-outlines', '--json-key=outlines',
-    'page-labels-and-outlines',
-     '--json-key=outlines', '--json-key=pages',
-    'page-labels-and-outlines',
-     '--json-key=objects', '--json-object=trailer',
-    'page-labels-and-outlines',
-     '--json-key=objects', '--json-object=trailer', '--json-object=2 0 R',
-    'field-types', '--json-key=acroform',
-    'need-appearances', '--json-key=acroform',
-);
-$n_tests += scalar(@json_files);
-foreach my $d (@json_files)
-{
-    my ($file, $xargs) = @$d;
-    my $out = "json-$file";
-    foreach my $x (@$xargs)
-    {
-        my $y = $x;
-        $y =~ s/^.*=//;
-        $y =~ s/\s.*//;
-        $out .= "-$y";
-    }
-    my $in = "$file.pdf";
-    $td->runtest("json $out",
-                 {$td->COMMAND => 'qpdf', '--json', @$xargs, $in},
-                 {$td->FILE => "$out.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Page API Tests ---");
-$n_tests += 9;
-
-$td->runtest("basic page API",
-	     {$td->COMMAND => "test_driver 15 page_api_1.pdf"},
-	     {$td->STRING => "test 15 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "page_api_1-out.pdf"});
-$td->runtest("manual page manipulation",
-	     {$td->COMMAND => "test_driver 16 page_api_1.pdf"},
-	     {$td->STRING => "test 16 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "page_api_1-out2.pdf"});
-$td->runtest("duplicate page",
-	     {$td->COMMAND => "test_driver 17 page_api_2.pdf"},
-	     {$td->FILE => "page_api_2.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("delete and re-add a page",
-	     {$td->COMMAND => "test_driver 18 page_api_1.pdf"},
-	     {$td->STRING => "test 18 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "page_api_1-out3.pdf"});
-$td->runtest("duplicate page",
-	     {$td->COMMAND => "test_driver 19 page_api_1.pdf"},
-	     {$td->FILE => "page_api_1.out", $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("remove page we don't have",
-	     {$td->COMMAND => "test_driver 22 page_api_1.pdf"},
-	     {$td->FILE => "page_api_1.out2", $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
-show_ntests();
-# ----------
-$td->notify("--- Files for specific bugs ---");
-# The number is the github issue number in which the bug was reported.
-my @bug_tests = (
-    "51", "resolve loop", 3,
-    "99", "object 0", 2,
-    "99b", "object 0", 2,
-    "100", "xref reconstruction loop", 2,
-    "101", "resolve for exception text", 3,
-    "117", "other infinite loop", 2,
-    "118", "other infinite loop", 2,
-    "119", "other infinite loop", 3,
-    "120", "other infinite loop", 3,
-    "106", "zlib data error", 3,
-    "141a", "/W entry size 0", 2,
-    "141b", "/W entry size 0", 2,
-    "143", "self-referential ostream", 3,
-    "146", "very deeply nested array", 2,
-    "147", "previously caused memory error", 2,
-    "148", "free memory on bad flate", 2,
-    "149", "xref prev pointer loop", 3,
-    "150", "integer overflow", 2,
-    "202", "even more deeply nested dictionary", 2,
-    "263", "empty xref stream", 3,
-    );
-$n_tests += scalar(@bug_tests);
-foreach my $d (@bug_tests)
-{
-    my ($n, $description, $exit_status) = @$d;
-    if (-f "issue-$n.obfuscated")
-    {
-        # Some of the PDF files in the test suite trigger anti-virus
-        # warnings (MAL/PDFEx-H) and are quarantined or deleted by
-        # some antivirus software. These files are not actually
-        # infected files with malicious intent. They are present in
-        # the test suite to ensure that qpdf does not crash when
-        # process those files. Base64-encode them and pass them to
-        # stdin to prevent anti-virus programs from messing up the
-        # extracted sources. Search for "obfuscated" in test_driver.cc
-        # for instructions on how to obfuscate input files.
-        $td->runtest($description,
-                     {$td->COMMAND => "test_driver 45 issue-$n"},
-                     {$td->FILE => "issue-$n.out",
-                          $td->EXIT_STATUS => $exit_status},
-                     $td->NORMALIZE_NEWLINES);
-    }
-    else
-    {
-        $td->runtest($description,
-                     {$td->COMMAND => "qpdf issue-$n.pdf a.pdf"},
-                     {$td->FILE => "issue-$n.out",
-                          $td->EXIT_STATUS => $exit_status},
-                     $td->NORMALIZE_NEWLINES);
-    }
-}
-show_ntests();
-# ----------
-$td->notify("--- Library version ---");
-$n_tests += 3;
-
-$td->runtest("qpdf version",
-	     {$td->COMMAND => "qpdf --version"},
-	     {$td->REGEXP => ".*qpdf version \\S+\n.*", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("qpdf copyright contains version too",
-	     {$td->COMMAND => "qpdf --copyright"},
-	     {$td->REGEXP => "(?s)qpdf version \\S+\n.*Apache.*",
-                  $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("C API: qpdf version",
-	     {$td->COMMAND => "qpdf-ctest --version"},
-	     {$td->REGEXP => "qpdf-ctest version \\S+\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Linearize pass1 file ---");
-$n_tests += 3;
-
-$td->runtest("linearize pass 1 file",
-             {$td->COMMAND => "qpdf --linearize --static-id" .
-                  " --linearize-pass1=b.pdf minimal.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "minimal-linearized.pdf"});
-$td->runtest("check pass1 file",
-	     {$td->FILE => "b.pdf"},
-	     {$td->FILE => "minimal-linearize-pass1.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Inline Images ---");
-$n_tests += 8;
-
-# The file large-inline-image.pdf is a hand-crafted file with several
-# inline images of various sizes including one that is two megabytes,
-# encoded in base85, and has a base85-encoding that contains EI
-# surrounded by delimiters several times. This exercises the EI
-# detection code added in qpdf 8.4.
-
-$td->runtest("complex inline image parsing",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id large-inline-image.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "large-inline-image.qdf"});
-
-$td->runtest("eof in inline image",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id eof-in-inline-image.pdf a.pdf"},
-             {$td->FILE => "eof-inline-qdf.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "eof-in-inline-image.qdf"});
-$td->runtest("externalize eof in inline image",
-             {$td->COMMAND =>
-                  "qpdf --qdf --externalize-inline-images" .
-                  " --static-id eof-in-inline-image.pdf a.pdf"},
-             {$td->FILE => "eof-inline-qdf.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "eof-in-inline-image-ii.qdf"});
-$td->runtest("externalize damaged image",
-             {$td->COMMAND =>
-                  "qpdf --externalize-inline-images" .
-                  " --compress-streams=n --static-id" .
-                  " damaged-inline-image.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "damaged-inline-image-out.pdf"});
-
-my @eii_tests = (
-    'inline-images', 80,
-    'large-inline-image', 1024,
-    );
-$n_tests += 4 * scalar(@eii_tests);
-$n_compare_pdfs += 2 * scalar(@eii_tests);
-
-foreach my $d (@eii_tests)
-{
-    my ($file, $threshold) = @$d;
-    $td->runtest("inline image $file (all)",
-                 {$td->COMMAND =>
-                      "qpdf --qdf --static-id --externalize-inline-images" .
-                      " --ii-min-bytes=0 $file.pdf a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "$file-ii-all.pdf"});
-    compare_pdfs("$file.pdf", "a.pdf");
-
-    $td->runtest("inline image $file (some)",
-                 {$td->COMMAND =>
-                      "qpdf --qdf --static-id --externalize-inline-images" .
-                      " --ii-min-bytes=$threshold $file.pdf a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "$file-ii-some.pdf"});
-    compare_pdfs("$file.pdf", "a.pdf");
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Tokenizer ---");
-$n_tests += 5;
-
-$td->runtest("tokenizer with no ignorable",
-             {$td->COMMAND => "test_tokenizer -no-ignorable tokens.pdf"},
-             {$td->FILE => "tokens-no-ignorable.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("tokenizer",
-             {$td->COMMAND => "test_tokenizer tokens.pdf"},
-             {$td->FILE => "tokens.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("tokenizer with old inline image code",
-             {$td->COMMAND => "test_tokenizer -old-ei tokens.pdf"},
-             {$td->FILE => "tokens-old-ei.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("tokenizer with max_len",
-             {$td->COMMAND => "test_tokenizer -maxlen 50 tokens.pdf"},
-             {$td->FILE => "tokens-maxlen.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("ignore bad token",
-             {$td->COMMAND =>
-                  "qpdf --show-xref bad-token-startxref.pdf"},
-             {$td->FILE => "bad-token-startxref.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Numbers and strings ---");
-$n_tests += 3;
-
-foreach (my $i = 1; $i <= 3; ++$i)
-{
-    $td->runtest("numbers and strings",
-		 {$td->COMMAND => "test_driver 5 numeric-and-string-$i.pdf"},
-		 {$td->FILE => "numeric-and-string-$i.out",
-                      $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Stream data ---");
-$n_tests += 1;
-
-$td->runtest("get stream data",
-	     {$td->COMMAND => "test_driver 11 stream-data.pdf"},
-	     {$td->FILE => "test11.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Decode parameter problems ---");
-$n_tests += 4;
-
-# Make sure we ignore decode parameters that we don't understand
-$td->runtest("unknown decode parameters",
-	     {$td->COMMAND => "qpdf --check fax-decode-parms.pdf"},
-	     {$td->FILE => "fax-decode-parms.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("ignore broken decode parms with no filters",
-             {$td->COMMAND => "qpdf --check broken-decode-parms-no-filter.pdf"},
-             {$td->FILE => "broken-decode-parms-no-filter.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("stream with indirect decode parms",
-             {$td->COMMAND =>
-                  "qpdf --static-id indirect-decode-parms.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check file",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "indirect-decode-parms-out.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Cross reference streams ---");
-$n_tests += 3;
-
-# Handle xref stream with more entries than reported (bug 2872265)
-$td->runtest("xref with short size",
-	     {$td->COMMAND => "qpdf --show-xref xref-with-short-size.pdf"},
-	     {$td->FILE => "xref-with-short-size.out",
-	      $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("recover xref with short size",
-	     {$td->COMMAND => "qpdf xref-with-short-size.pdf a.pdf"},
-	     {$td->FILE => "xref-with-short-size-recover.out",
-	      $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("show new xref stream",
-	     {$td->COMMAND => "qpdf --show-xref a.pdf"},
-	     {$td->FILE => "xref-with-short-size-new.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Multiple levels of indirection ---");
-$n_tests += 2;
-
-# Handle file with object stream containing an unreferenced object
-# that in turn contains an indirect scalar (bug 2974522).
-$td->runtest("unreferenced indirect scalar",
-	     {$td->COMMAND =>
-		  "qpdf --qdf --static-id --object-streams=preserve" .
-		  " unreferenced-indirect-scalar.pdf a.qdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.qdf"},
-	     {$td->FILE => "unreferenced-indirect-scalar.out"});
-
-show_ntests();
-# ----------
-$td->notify("--- ID and Encryption Parameter Issues ---");
-$n_tests += 13;
-
-# Encrypt files whose /ID strings are other than 32 bytes long (bug
-# 2991412). Also linearize these files, which was reported in a
-# separate bug by email.
-foreach my $file (qw(short-id long-id))
-{
-    $td->runtest("encrypt $file.pdf",
-		 {$td->COMMAND =>
-		      "qpdf --encrypt '' pass 40 -- $file.pdf a.pdf"},
-		 {$td->STRING => "",
-		  $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-
-    $td->runtest("check $file.pdf",
-		 {$td->COMMAND => "qpdf --check --show-encryption-key a.pdf"},
-		 {$td->FILE => "$file-check.out",
-		  $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-
-    $td->runtest("linearize $file.pdf",
-		 {$td->COMMAND =>
-		      "qpdf --deterministic-id --linearize $file.pdf a.pdf"},
-		 {$td->STRING => "",
-		  $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-		 {$td->FILE => "$file-linearized.pdf"});
-
-    $td->runtest("check $file.pdf",
-		 {$td->COMMAND => "qpdf --check a.pdf"},
-		 {$td->FILE => "$file-linearized-check.out",
-		  $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-}
-
-# A user provided a file that was missing /ID in its trailer even
-# though it is encrypted and also has a space instead of a newline
-# after its xref keyword. This file has those same properties.
-$td->runtest("check broken file",
-             {$td->COMMAND => "qpdf --check invalid-id-xref.pdf"},
-             {$td->FILE => "invalid-id-xref.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-
-# A file was emailed privately with issue 96. short-O-U.pdf was
-# created by copying encryption parameters from that file. It exhibits
-# the same behavior as the original file.
-$td->runtest("short /O or /U",
-             {$td->COMMAND =>
-                  "qpdf --password=19723102477 --check short-O-U.pdf"},
-             {$td->FILE => "short-O-U.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-# A file was sent to me privately as part of issue 212. This file was
-# encrypted and had /R=3 and /V=1 and was using a 40-bit key. qpdf was
-# failing to work properly on files with /R=3 and 40-bit keys. The
-# test file is not this private file, but the encryption parameters
-# were copied from it. Like the bug file, qpdf < 8.1 can't decrypt it.
-$td->runtest("/R 3 with 40-bit key",
-             {$td->COMMAND =>
-                  "qpdf --password=623 --check --show-encryption-key" .
-                  " encrypted-40-bit-R3.pdf"},
-             {$td->FILE => "encrypted-40-bit-R3.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Min/force version ---");
-$n_tests += 7;
-
-# Min/Force version
-$td->runtest("set min version",
-	     {$td->COMMAND => "qpdf --verbose --min-version=1.6 good1.pdf a.pdf"},
-	     {$td->STRING => "qpdf: wrote file a.pdf\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check version",
-	     {$td->COMMAND => "qpdf --check a.pdf"},
-	     {$td->FILE => "min-version.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("force version",
-	     {$td->COMMAND => "qpdf --force-version=1.4 a.pdf b.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check version",
-	     {$td->COMMAND => "qpdf --check b.pdf"},
-	     {$td->FILE => "forced-version.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-unlink "a.pdf", "b.pdf" or die;
-$td->runtest("C API: min/force versions",
-	     {$td->COMMAND => "qpdf-ctest 14 object-stream.pdf '' a.pdf b.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("C check version 1",
-	     {$td->COMMAND => "qpdf-ctest 1 a.pdf '' ''"},
-	     {$td->FILE => "c-min-version.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("C check version 2",
-	     {$td->COMMAND => "qpdf --check b.pdf"},
-	     {$td->FILE => "forced-version.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Filter abbreviations ---");
-$n_tests += 2;
-
-# Stream filter abbreviations from table H.1
-$td->runtest("stream filter abbreviations",
-	     {$td->COMMAND => "qpdf --static-id filter-abbreviation.pdf a.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "filter-abbreviation.out"});
-
-show_ntests();
-# ----------
-$td->notify("--- Invalid objects ---");
-$n_tests += 2;
-
-$td->runtest("empty object",
-	     {$td->COMMAND => "qpdf -show-object=7,0 empty-object.pdf"},
-	     {$td->FILE => "empty-object.out",
-	      $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("object with zero offset",
-             {$td->COMMAND => "qpdf --check zero-offset.pdf"},
-             {$td->FILE => "zero-offset.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Error/output rediction ---");
-$n_tests += 2;
-
-$td->runtest("error/output redirection to null",
-	     {$td->COMMAND => "test_driver 12 linearized-and-warnings.pdf"},
-	     {$td->FILE => "linearized-and-warnings-1.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("error/output redirection to strings",
-	     {$td->COMMAND => "test_driver 13 linearized-and-warnings.pdf"},
-	     {$td->FILE => "linearized-and-warnings-2.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Line terminators for stream ---");
-$n_tests += 2;
-
-$td->runtest("odd terminators for stream keyword",
-	     {$td->COMMAND =>
-		  "qpdf --qdf --static-id" .
-		  " stream-line-enders.pdf a.qdf"},
-	     {$td->FILE => "stream-line-enders.out",
-	      $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.qdf"},
-	     {$td->FILE => "stream-line-enders.qdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Swap and replace ---");
-$n_tests += 3;
-
-$td->runtest("swap and replace",
-	     {$td->COMMAND => "test_driver 14 test14-in.pdf"},
-	     {$td->FILE => "test14.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "test14-out.pdf"});
-
-# Most of the test suite uses static or deterministic ID. This test
-# case exercises regular ID generation. Test 14 also exercises writing
-# to memory without static ID.
-$td->runtest("check non-static ID version",
-             {$td->COMMAND => "sh ./diff-ignore-ID-version a.pdf b.pdf"},
-             {$td->STRING => "okay\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Key functions, C API ---");
-$n_tests += 4;
-
-$td->runtest("C API info key functions",
-	     {$td->COMMAND => "qpdf-ctest 16 minimal.pdf '' a.pdf"},
-	     {$td->FILE => "c-info1.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "c-info-out.pdf"});
-unlink "a.pdf" or die;
-
-$td->runtest("C API info key functions",
-	     {$td->COMMAND => "qpdf-ctest 16 c-info2-in.pdf '' a.pdf"},
-	     {$td->FILE => "c-info2.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "c-info-out.pdf"});
-unlink "a.pdf" or die;
-
-show_ntests();
-# ----------
-$td->notify("--- Object copying ---");
-$n_tests += 7;
-
-$td->runtest("shallow copy an array",
-	     {$td->COMMAND => "test_driver 20 shallow_array.pdf"},
-	     {$td->STRING => "test 20 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "shallow_array-out.pdf"});
-$td->runtest("shallow copy a stream",
-	     {$td->COMMAND => "test_driver 21 shallow_array.pdf"},
-	     {$td->FILE => "shallow_stream.out", $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("warn for unknown key in Pages",
-             {$td->COMMAND => "test_driver 23 lin-special.pdf"},
-             {$td->FILE => "pages-warning.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("reserved objects",
-             {$td->COMMAND => "test_driver 24 minimal.pdf"},
-             {$td->FILE => "reserved-objects.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "reserved-objects.pdf"});
-$td->runtest("detect foreign object in write",
-             {$td->COMMAND => "test_driver 29" .
-                  " copy-foreign-objects-in.pdf minimal.pdf"},
-             {$td->FILE => "foreign-in-write.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Merge Dictionary ---");
-$n_tests += 3;
-
-$td->runtest("merge dictionary",
-             {$td->COMMAND => "test_driver 50 merge-dict.pdf"},
-             {$td->FILE => "merge-dict.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("unique resource name",
-             {$td->COMMAND => "test_driver 60 minimal.pdf"},
-             {$td->STRING => "test 60 done\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "unique-resources.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Parsing ---");
-$n_tests += 17;
-
-$td->runtest("parse objects from string",
-             {$td->COMMAND => "test_driver 31 minimal.pdf"}, # file not used
-             {$td->FILE => "parse-object.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("EOF terminating literal tokens",
-             {$td->COMMAND => "qpdf --check eof-terminates-literal.pdf"},
-             {$td->FILE => "eof-terminates-literal.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("EOF reading token",
-             {$td->COMMAND => "qpdf --check eof-reading-token.pdf"},
-             {$td->FILE => "eof-reading-token.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("extra header text",
-             {$td->COMMAND => "test_driver 32 minimal.pdf"},
-             {$td->FILE => "test-32.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "extra-header-no-newline.pdf"});
-$td->runtest("check output",
-             {$td->FILE => "b.pdf"},
-             {$td->FILE => "extra-header-lin-no-newline.pdf"});
-$td->runtest("check output",
-             {$td->FILE => "c.pdf"},
-             {$td->FILE => "extra-header-newline.pdf"});
-$td->runtest("check output",
-             {$td->FILE => "d.pdf"},
-             {$td->FILE => "extra-header-lin-newline.pdf"});
-
-# leading-junk also has a space instead of a newline after xref
-$td->runtest("check file with leading junk",
-             {$td->COMMAND => "qpdf --check leading-junk.pdf"},
-             {$td->FILE => "leading-junk.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("EOF inside inline image",
-             {$td->COMMAND => "test_driver 37 eof-in-inline-image.pdf"},
-             {$td->FILE => "eof-in-inline-image.out",
-              $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("tokenize content streams",
-             {$td->COMMAND => "test_driver 37 tokenize-content-streams.pdf"},
-             {$td->FILE => "tokenize-content-streams.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("terminate parsing",
-             {$td->COMMAND => "test_driver 37 terminate-parsing.pdf"},
-             {$td->FILE => "terminate-parsing.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("content stream errors",
-             {$td->COMMAND => "qpdf --check content-stream-errors.pdf"},
-             {$td->FILE => "content-stream-errors.out",
-              $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("ensure arguments to R are direct",
-             {$td->COMMAND => "qpdf --check indirect-r-arg.pdf"},
-             {$td->FILE => "indirect-r-arg.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("no trailing space in xref table",
-             {$td->COMMAND => "qpdf --check no-space-in-xref.pdf"},
-             {$td->FILE => "no-space-in-xref.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-# An array is split across multiple content streams starting object
-# 42. This was reported in github issue 73. The file is modified from
-# that example.
-$td->runtest("parse split content stream",
-             {$td->COMMAND => "qpdf --check split-content-stream.pdf"},
-             {$td->FILE => "split-content-stream.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("split content stream errors",
-             {$td->COMMAND => "qpdf --check split-content-stream-errors.pdf"},
-             {$td->FILE => "split-content-stream-errors.out",
-              $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Custom Pipeline ---");
-$n_tests += 2;
-
-$td->runtest("output to custom pipeline",
-             {$td->COMMAND => "test_driver 33 minimal.pdf"},
-             {$td->STRING => "test 33 done\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "custom-pipeline.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Object stream cases ---");
-$n_tests += 3;
-
-# The file override-compressed-object.pdf contains an object stream
-# with four strings in it.  The file is then appended.  The appended
-# section overrides one of the four strings with a string in another
-# object stream and another one in an uncompressed object.  The other
-# two strings are left alone.  The test case exercises that all four
-# objects have the correct value.
-$td->runtest("overridden compressed objects",
-             {$td->COMMAND => "test_driver 38 override-compressed-object.pdf"},
-             {$td->FILE => "override-compressed-object.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("generate object streams for gen > 0",
-             {$td->COMMAND => "qpdf --qdf --static-id" .
-		  " --object-streams=generate gen1.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check file",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "gen1.qdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Bound checks ---");
-$n_tests += 3;
-
-$td->runtest("bounds check linearization data 1",
-             {$td->COMMAND => "qpdf --check linearization-bounds-1.pdf"},
-             {$td->FILE => "linearization-bounds-1.out",
-              $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("bounds check linearization data 2",
-             {$td->COMMAND => "qpdf --check linearization-bounds-2.pdf"},
-             {$td->FILE => "linearization-bounds-2.out",
-              $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-# Throws logic error, not bad_alloc
-$td->runtest("sanity check array size",
-             {$td->COMMAND =>
-                  "qpdf --check linearization-large-vector-alloc.pdf"},
-             {$td->FILE => "linearization-large-vector-alloc.out",
-              $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Page errors ---");
-$n_tests += 3;
-
-$td->runtest("handle page no with contents",
-             {$td->COMMAND => "qpdf --show-pages page-no-content.pdf"},
-             {$td->FILE => "page-no-content.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("no type key for page nodes",
-             {$td->COMMAND => "qpdf --check no-pages-types.pdf"},
-             {$td->FILE => "no-pages-types.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("detect loops in pages structure",
-             {$td->COMMAND => "qpdf --check pages-loop.pdf"},
-             {$td->FILE => "pages-loop.out", $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Xref ---");
-$n_tests += 5;
-
-# Handle file with invalid xref table and object 0 as a regular object
-# (bug 3159950).
-$td->runtest("check obj0.pdf",
-	     {$td->COMMAND => "qpdf --check obj0.pdf"},
-	     {$td->FILE => "obj0-check.out",
-	      $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-
-# Demonstrate show-xref after check and not after check to illustrate
-# that it can dump the real xref or the recovered xref.
-$td->runtest("dump bad xref",
-             {$td->COMMAND => "qpdf --show-xref bad-xref-entry.pdf"},
-             {$td->FILE => "bad-xref-entry.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-# Test @file here too.
-open(F, ">args") or die;
-print F "--check\n";
-print F "--show-xref\n";
-close(F);
-$td->runtest("dump corrected bad xref",
-             {$td->COMMAND => "qpdf \@args bad-xref-entry.pdf"},
-             {$td->FILE => "bad-xref-entry-corrected.out",
-              $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-unlink "args";
-
-$td->runtest("combine show and --pages",
-             {$td->COMMAND =>
-                  "qpdf --empty --pages minimal.pdf -- --show-pages"},
-             {$td->FILE => "show-pages-pages.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show number of pages",
-             {$td->COMMAND =>
-                  "qpdf --show-npages 20-pages.pdf --password=user"},
-             {$td->STRING => "20\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Overwrite self ---");
-$n_tests += 1;
-
-copy("minimal.pdf", "a.pdf");
-# Also tests @- for reading args from stdin
-$td->runtest("don't overwrite self",
-             {$td->COMMAND => "(echo a.pdf; echo a.pdf) | qpdf \@-"},
-             {$td->REGEXP => "input file and output file are the same.*",
-              $td->EXIT_STATUS => 2});
-
-show_ntests();
-# ----------
-$td->notify("--- Progress reporting ---");
-$n_tests += 1;
-
-$td->runtest("progress report on small file",
-             {$td->COMMAND => "qpdf --progress minimal.pdf a.pdf",
-                  $td->FILTER => "perl filter-progress.pl"},
-             {$td->FILE => "small-progress.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Type checks ---");
-$n_tests += 4;
-# Whenever object-types.pdf is edited, object-types-os.pdf should be
-# regenerated.
-$td->runtest("ensure object-types-os is up-to-date",
-             {$td->COMMAND =>
-                  "qpdf" .
-                  " --object-streams=generate" .
-                  " --deterministic-id" .
-                  " --stream-data=uncompress" .
-                  " object-types.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check file",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "object-types-os.pdf"});
-$td->runtest("type checks",
-             {$td->COMMAND => "test_driver 42 object-types.pdf"},
-             {$td->FILE => "object-types.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("type checks with object streams",
-             {$td->COMMAND => "test_driver 42 object-types-os.pdf"},
-             {$td->FILE => "object-types-os.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-# ----------
-$td->notify("--- Coalesce contents ---");
-$n_tests += 6;
-
-$td->runtest("qdf with normalize warnings",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id coalesce.pdf a.pdf"},
-             {$td->FILE => "normalize-warnings.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "coalesce.qdf"});
-$td->runtest("coalesce contents with qdf",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id" .
-                  " --coalesce-contents coalesce.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "coalesce-out.qdf"});
-$td->runtest("coalesce contents without qdf",
-             {$td->COMMAND =>
-                  "qpdf --static-id" .
-                  " --coalesce-contents coalesce.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "coalesce-out.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Page with no contents ---");
-$n_tests += 7;
-
-$td->runtest("check no contents",
-             {$td->COMMAND => "qpdf --check no-contents.pdf"},
-             {$td->FILE => "no-contents-check.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-foreach my $arg ('--qdf', '--coalesce-contents', '')
-{
-    $td->runtest("convert no contents ($arg)",
-                 {$td->COMMAND =>
-                      "qpdf $arg --static-id no-contents.pdf a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0});
-
-    my $suf = $arg;
-    $suf =~ s/--//;
-    if ($suf eq '')
-    {
-        $suf = "none";
-    }
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "no-contents-$suf.pdf"});
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Token filters ---");
-$n_tests += 2;
-
-$td->runtest("token filter",
-             {$td->COMMAND => "test_driver 41 coalesce.pdf"},
-             {$td->STRING => "test 41 done\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "token-filters-out.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Newline before endstream ---");
-$n_tests += 12;
-
-# From issue 133, http://verapdf.org/software/ is an open source
-# package that can verify PDF/A compliance. This could potentially be
-# useful for manual or automated verification that qpdf doesn't break
-# PDF/A compliance should that ever be desired.
-
-foreach my $d (
-    '--qdf', 'qdf', 'qdf',
-    '--newline-before-endstream', 'newline', 'nl',
-    '--qdf --newline-before-endstream', 'newline and qdf', 'nl-qdf',
-    '--object-streams=generate --newline-before-endstream',
-     'newline and object streams', 'nl-objstm',
-    )
-{
-    my ($flags, $description, $suffix) = @$d;
-    $td->runtest("newline before endstream: $description",
-                 {$td->COMMAND => "qpdf --static-id --stream-data=preserve" .
-                      " $flags streams-with-newlines.pdf a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check output ($description)",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "newline-before-endstream-$suffix.pdf"});
-    if ($flags =~ /qdf/)
-    {
-        $td->runtest("fix-qdf",
-                     {$td->COMMAND => "fix-qdf a.pdf"},
-                     {$td->FILE => "a.pdf", $td->EXIT_STATUS => 0});
-    }
-}
-
-$td->runtest("newline before endstream (C)",
-             {$td->COMMAND =>
-                  "qpdf-ctest 22 streams-with-newlines.pdf '' a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "newline-before-endstream-nl.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Split Pages ---");
-# sp = split-pages
-my @sp_cases = (
-    11, '%d at beginning', '', '%d_split-out.zdf',
-    11, '%d at end', '--qdf', 'split-out.zdf_%d',
-    11, '%d in middle', '--encrypt u o 128 --', 'a-%d-split-out.zdf',
-    11, 'pdf extension', '', 'split-out.Pdf',
-    4, 'fallback', '--pages 11-pages.pdf 1-3 minimal.pdf --', 'split-out',
-    );
-$n_tests += 23;
-for (@sp_cases)
-{
-    $n_tests += 1 + $_->0;
-}
-
-$td->runtest("split page group > 1",
-             {$td->COMMAND => "qpdf --static-id --split-pages=5 11-pages.pdf" .
-                  " --verbose split-out-group.pdf"},
-             {$td->FILE => "split-pages-group.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-foreach my $f ('01-05', '06-10', '11-11')
-{
-    $td->runtest("checkout group $f",
-                 {$td->FILE => "split-out-group-$f.pdf"},
-                 {$td->FILE => "split-exp-group-$f.pdf"});
-}
-
-$td->runtest("no split-pages to stdout",
-             {$td->COMMAND => "qpdf --split-pages 11-pages.pdf -"},
-             {$td->FILE => "split-pages-stdout.out", $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("split page with shared resources",
-             {$td->COMMAND => "qpdf --qdf --static-id --split-pages=4".
-                  " shared-images.pdf split-out-shared.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-foreach my $i (qw(01-04 05-08 09-10))
-{
-    $td->runtest("check output ($i)",
-                 {$td->FILE => "split-out-shared-$i.pdf"},
-                 {$td->FILE => "shared-split-$i.pdf"});
-}
-
-$td->runtest("split page with labels",
-             {$td->COMMAND => "qpdf --qdf --static-id --split-pages=6".
-                  " 11-pages-with-labels.pdf split-out-labels.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-foreach my $i (qw(01-06 07-11))
-{
-    $td->runtest("check output ($i)",
-                 {$td->FILE => "split-out-labels-$i.pdf"},
-                 {$td->FILE => "labels-split-$i.pdf"});
-}
-
-# See comments in TODO about these expected failures. Search for
-# "split page with outlines".
-$td->runtest("split page with outlines",
-             {$td->COMMAND => "qpdf --qdf --static-id --split-pages=10".
-                  " outlines-with-actions.pdf split-out-outlines.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-foreach my $i (qw(01-10 11-20 21-30))
-{
-    $td->runtest("check output ($i)",
-                 {$td->FILE => "split-out-outlines-$i.pdf"},
-                 {$td->FILE => "outlines-split-$i.pdf"},
-                 $td->EXPECT_FAILURE)
-}
-
-foreach my $d (@sp_cases)
-{
-    my ($n, $description, $xargs, $out) = @$d;
-    $td->runtest("split pages " . $description,
-                 {$td->COMMAND =>
-                      "qpdf --static-id --split-pages 11-pages.pdf" .
-                      " $xargs $out"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    my $pattern = $out;
-    my $nlen = length($n);
-    if ($pattern =~ m/\%d/)
-    {
-        $pattern =~ s/\%d/\%0${nlen}d/;
-    }
-    elsif ($pattern =~ m/\.pdf$/i)
-    {
-        $pattern =~ s/(\.pdf$)/-%0${nlen}d$1/i;
-    }
-    else
-    {
-        $pattern .= "-%0${nlen}d";
-    }
-    for (my $i = 1; $i <= $n; ++$i)
-    {
-        my $actual = sprintf($pattern, $i);
-        my $expected = $actual;
-        $expected =~ s/split-out/split-exp/;
-        $td->runtest("checkout output page $i",
-                     {$td->FILE => $actual},
-                     {$td->FILE => $expected});
-    }
-}
-
-$td->runtest("split shared font, xobject",
-             {$td->COMMAND =>
-                  "qpdf --static-id --qdf --no-original-object-ids" .
-                  " --split-pages shared-font-xobject.pdf" .
-                  " split-out-shared-font-xobject.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-foreach my $i (qw(1 2 3 4))
-{
-    $td->runtest("check output ($i)",
-                 {$td->FILE => "split-out-shared-font-xobject-$i.pdf"},
-                 {$td->FILE => "shared-font-xobject-split-$i.pdf"});
-}
-
-$td->runtest("unreferenced resources with bad token",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id --split-pages=2" .
-                  " coalesce.pdf split-out-bad-token.pdf"},
-             {$td->FILE => "coalesce-split.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "split-out-bad-token-1-2.pdf"},
-             {$td->FILE => "coalesce-split-1-2.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Keep Files Open ---");
-$n_tests += 4;
-
-{ # local scope
-    open(F, "<minimal.pdf") or die;
-    local $/ = undef;
-    binmode F;
-    my $content = <F>;
-    close(F);
-    for (my $i = 1; $i <= 51; ++$i)
-    {
-        open(F, sprintf(">%03d-kfo.pdf", $i)) or die;
-        binmode F;
-        print F $content;
-        close(F);
-    }
-}
-$td->runtest("automatic disable keep files open",
-             {$td->COMMAND =>
-                  "qpdf --verbose --static-id --empty" .
-                  " --keep-files-open-threshold=50" .
-                  " --pages *kfo.pdf -- a.pdf"},
-             {$td->FILE => "disable-kfo.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("don't disable keep files open",
-             {$td->COMMAND =>
-                  "qpdf --verbose --static-id --empty" .
-                  " --pages 01*kfo.pdf -- a.pdf"},
-             {$td->FILE => "enable-kfo.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("explict keep files open",
-             {$td->COMMAND =>
-                  "qpdf --verbose --static-id --keep-files-open=y --empty" .
-                  " --pages 00?-kfo.pdf -- a.pdf"},
-             {$td->FILE => "kfo-y.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("explicit keep files open = n",
-             {$td->COMMAND =>
-                  "qpdf --verbose --static-id --keep-files-open=n --empty" .
-                  " --pages 00?-kfo.pdf -- a.pdf"},
-             {$td->FILE => "kfo-n.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Rotate Pages ---");
-$n_tests += 4;
-# Do absolute, positive, and negative on ranges that include
-# inherited and non-inherited.
-# Pages 11-15 inherit /Rotate 90
-# Pages 1 and 2 have explicit /Rotate 270
-# Pages 16 and 17 have explicit /Rotate 180
-
-$td->runtest("page rotation",
-             {$td->COMMAND => "qpdf --static-id to-rotate.pdf a.pdf" .
-                  " --rotate=+90:1,4,11,16" .
-                  " --rotate=180:2,5,12-13" .
-                  " --rotate=-90:3,15,17,18"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "rotated.pdf"});
-
-$td->runtest("rotate all pages",
-             {$td->COMMAND =>
-                  "qpdf --static-id --rotate=180 minimal.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "minimal-rotated.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Flatten Form/Annotations ---");
-
-# manual-appearances was created by hand-coding appearance streams
-# with graphics that make it easy to test matrix calculations. The
-# result of flattening the annotations was compared visually with
-# okular. Some PDF viewers don't actually display the original version
-# correctly. The pages are as follows:
-# - page 1: normal
-# - page 2: rotate 90 with /F 20 (NoRotate)
-# - page 3: non-trivial matrix
-# - page 4: non-trivial matrix, rotate
-# - page 5: rotate 180 with /F 20
-# - page 6: rotate 90, /F 20, non-trivial matrix
-# - page 7: flags: top is print, middle is screen, bottom is hidden
-# - page 8: rotate 270 with /F 20
-# - page 9: normal -- available for additional testing
-#
-# form-filled-by-acrobat was filled in using the Acrobat Reader
-# android app. One of its appearance streams is actually an image.
-#
-# need-appearances.pdf is based on field-types.pdf with manual edits
-# to turn on NeedAppearances, change /V for several fields, and add
-# the comment annotation from comment-annotation.pdf. The test output
-# includes a flattened version of the comment annotation but not of
-# the form fields. Changes:
-# - field-types.pdf has /NeedAppearances true
-# - text1: blank -> abc
-# - r1: 1 -> 2
-# - list1: blank -> five
-# - combolist1: blank -> pi
-# - drop1: blank -> elephant
-# - combodrop1: blank -> delta
-
-my @annotation_files = (
-    'manual-appearances',
-    'form-filled-by-acrobat',
-    'comment-annotation',
-    'comment-annotation-direct',
-    'sample-form',
-    'need-appearances',
-    'need-appearances-more',
-    );
-$n_tests += 2 * scalar(@annotation_files);
-
-foreach my $f (@annotation_files)
-{
-    my $exp_out = {$td->STRING => "", $td->EXIT_STATUS => 0};
-    if (-f "$f-warn.out")
-    {
-        $exp_out = {$td->FILE => "$f-warn.out", $td->EXIT_STATUS => 3};
-    }
-    $td->runtest("flatten $f",
-                 {$td->COMMAND =>
-                      "qpdf --qdf --static-id --no-original-object-ids" .
-                      " --flatten-annotations=all $f.pdf a.pdf"},
-                 $exp_out,
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "$f-out.pdf"});
-}
-
-$n_tests += 4;
-foreach my $f (qw(screen print))
-{
-    $td->runtest("flatten for $f",
-                 {$td->COMMAND =>
-                      "qpdf --qdf --static-id --no-original-object-ids" .
-                      " --flatten-annotations=$f manual-appearances.pdf a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "manual-appearances-$f-out.pdf"});
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Page Tree Issues ---");
-$n_tests += 9;
-
-$td->runtest("linearize duplicated pages",
-             {$td->COMMAND =>
-                  "qpdf --static-id --linearize" .
-                  " page_api_2.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("compare files",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "linearize-duplicate-page.pdf"});
-$td->runtest("extract duplicated pages",
-             {$td->COMMAND =>
-                  "qpdf --static-id page_api_2.pdf" .
-                  " --pages . -- a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("compare files",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "extract-duplicate-page.pdf"});
-$td->runtest("direct pages",
-             {$td->COMMAND =>
-                  "qpdf --static-id direct-pages.pdf --pages . -- a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "direct-pages-fixed.pdf"});
-$td->runtest("show direct pages",
-             {$td->COMMAND =>
-                  "qpdf --show-pages direct-pages.pdf"},
-             {$td->FILE => "direct-pages.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-# Json mode for direct and duplicated pages illustrates that the
-# "objects" section still shows the original objects before correction
-# but the "pages" section shows the pages with their new object
-# numbers.
-foreach my $f (qw(page_api_2 direct-pages))
-{
-    $td->runtest("json for $f",
-                 {$td->COMMAND => "qpdf --json $f.pdf"},
-                 {$td->FILE => "$f-json.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Merging and Splitting ---");
-$n_tests += 24;
-
-# Select pages from the same file multiple times including selecting
-# twice from an encrypted file and specifying the password only the
-# first time.  The file 20-pages.pdf is specified with two different
-# paths to duplicate a page.
-my $pages_options = "--pages page-labels-and-outlines.pdf 1,3,5-7,z" .
-    " 20-pages.pdf --password=user z-15" .
-    " page-labels-and-outlines.pdf 12" .
-    " 20-pages.pdf 10" .
-    " ./20-pages.pdf --password=owner 10" .
-    " minimal.pdf 1 --";
-
-$td->runtest("merge three files",
-             {$td->COMMAND => "qpdf page-labels-and-outlines.pdf a.pdf" .
-                  " $pages_options --static-id --verbose --progress",
-                  $td->FILTER => "perl filter-progress.pl"},
-             {$td->FILE => "verbose-merge.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-# Manually verified about this file: make sure that outline entries
-# that pointed to pages that were preserved still work in the copy,
-# and verify that all pages are as expected.  page-labels-and-outlines
-# as well as 20-pages have text on page n (from 1) that shows its page
-# position from 0, so page 1 says it's page 0.
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "merge-three-files-1.pdf"});
-# Select the same pages but add them to an empty file
-$td->runtest("merge three files",
-             {$td->COMMAND => "qpdf --empty a.pdf" .
-                  " $pages_options --static-id"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-# Manually verified about this file: it has the same pages but does
-# not contain outlines or other things from the original file.
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "merge-three-files-2.pdf"});
-$td->runtest("avoid respecification of password",
-             {$td->COMMAND =>
-                  "qpdf --empty a.pdf --copy-encryption=20-pages.pdf" .
-                  " --encryption-file-password=user" .
-                  " --pages 20-pages.pdf 1,z -- --static-id"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "pages-copy-encryption.pdf"});
-$td->runtest("merge with implicit ranges",
-             {$td->COMMAND =>
-                  "qpdf --empty a.pdf" .
-                  " --pages minimal.pdf 20-pages.pdf --password=user" .
-                  " page-labels-and-outlines.pdf --" .
-                  " --static-id"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "merge-implicit-ranges.pdf"});
-$td->runtest("merge with multiple labels",
-             {$td->COMMAND =>
-                  "qpdf --empty a.pdf" .
-                  " --pages 11-pages-with-labels.pdf 8-11" .
-                  " minimal.pdf " .
-                  " page-labels-and-outlines.pdf 17-19 --" .
-                  " --static-id"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "merge-multiple-labels.pdf"});
-$td->runtest("remove labels",
-             {$td->COMMAND =>
-                  "qpdf --empty a.pdf" .
-                  " --remove-page-labels" .
-                  " --pages 11-pages-with-labels.pdf 8-11" .
-                  " minimal.pdf " .
-                  " page-labels-and-outlines.pdf 17-19 --" .
-                  " --static-id"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "remove-labels.pdf"});
-
-$td->runtest("split with shared resources",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id" .
-                  " shared-images.pdf --pages . 1,3" .
-                  " ./shared-images.pdf 1,2 -- a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "shared-images-pages-out.pdf"});
-
-$td->runtest("split with really shared resources",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id" .
-                  " shared-images.pdf --pages . 1,3" .
-                  " . 1,2 -- a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "really-shared-images-pages-out.pdf"});
-
-$td->runtest("shared resources relevant errors",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id" .
-                  " shared-images-errors.pdf --pages . 2 -- a.pdf"},
-             {$td->FILE => "shared-images-errors-2.out",
-                  $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "shared-images-errors-2-out.pdf"});
-
-$td->runtest("shared resources irrelevant errors",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id" .
-                  " shared-images-errors.pdf --pages . 1 -- a.pdf"},
-             {$td->FILE => "shared-images-errors-1.out",
-                  $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "shared-images-errors-1-out.pdf"});
-
-$td->runtest("don't remove shared resources",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id --preserve-unreferenced-resources" .
-                  " shared-images.pdf --pages . 1,3 -- a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "shared-images-errors-1-3-out.pdf"});
-
-$td->runtest("duplicate pages",
-             {$td->COMMAND =>
-                  "qpdf --qdf --static-id 11-pages-with-labels.pdf" .
-                  " --pages . 6,5,6 . 5 minimal.pdf 1,1 minimal.pdf 1 --" .
-                  " a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "duplicate-pages.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Collating ---");
-my @collate = (
-    "three-files", "collate-odd",
-     "collate-odd.pdf 1-5 minimal.pdf collate-even.pdf 7-1",
-    );
-$n_tests += 2 * scalar(@collate);
-
-foreach my $d (@collate)
-{
-    my ($description, $first, $args) = @$d;
-    $td->runtest("collate pages: $description",
-                 {$td->COMMAND =>
-                      "qpdf --qdf --static-id --collate $first.pdf" .
-                      " --pages $args -- a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "$description-collate-out.pdf"});
-}
-
-show_ntests();
-# ----------
-$td->notify("--- PDF From Scratch ---");
-$n_tests += 2;
-
-$td->runtest("basic qpdf from scratch",
-	     {$td->COMMAND => "pdf_from_scratch 0"},
-	     {$td->STRING => "test 0 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "from-scratch-0.pdf"});
-show_ntests();
-# ----------
-$td->notify("--- PCLm ---");
-$n_tests += 2;
-
-$td->runtest("write as PCLm",
-	     {$td->COMMAND => "test_driver 40 pclm-in.pdf a.pdf"},
-	     {$td->STRING => "test 40 done\n", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "pclm-out.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Precheck streams ---");
-$n_tests += 2;
-
-$td->runtest("bad stream",
-	     {$td->COMMAND => "qpdf --static-id bad-data.pdf a.pdf"},
-	     {$td->FILE => "bad-data.out", $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "bad-data-out.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Decode levels ---");
-$n_tests += 14;
-
-# image-streams.pdf is the output of examples/pdf-create.
-# examples/pdf-create validates the actual image data.
-foreach my $l (qw(none generalized specialized all))
-{
-    $td->runtest("image-streams: $l",
-                 {$td->COMMAND =>
-                      "qpdf image-streams.pdf --compress-streams=n" .
-                      " --decode-level=$l a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check image-streams: $l",
-                 {$td->COMMAND => "test_driver 39 a.pdf"},
-                 {$td->FILE => "image-streams-$l.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-# C API
-$td->runtest("image-streams: C",
-             {$td->COMMAND => "qpdf-ctest 20 image-streams.pdf '' a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check image-streams: C",
-             {$td->COMMAND => "test_driver 39 a.pdf"},
-             {$td->FILE => "image-streams-specialized.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-# Bad JPEG data
-$td->runtest("check finds bad jpeg data",
-             {$td->COMMAND => "qpdf --check bad-jpeg.pdf"},
-             {$td->FILE => "bad-jpeg-check.out",
-              $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("precheck detects bad jpeg data",
-             {$td->COMMAND => "qpdf --static-id --decode-level=all" .
-                  " bad-jpeg.pdf a.pdf"},
-             {$td->FILE => "bad-jpeg.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check file",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "bad-jpeg-out.pdf"});
-$td->runtest("get data",
-             {$td->COMMAND => "qpdf --show-object=6" .
-                  " --filtered-stream-data bad-jpeg.pdf"},
-             {$td->FILE => "bad-jpeg-show.out", $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Image Optimization ---");
-my @image_opt = (
-    'image-streams', 'image-streams', '',
-    'small-images', 'defaults', '',
-    'small-images', 'min-width',
-     '--oi-min-width=150 --oi-min-height=0 --oi-min-area=0',
-    'small-images', 'min-height',
-     '--oi-min-width=0 --oi-min-height=150 --oi-min-area=0',
-    'small-images', 'min-area',
-     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=30000',
-    'small-images', 'min-area-all',
-     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=30000',
-    'large-inline-image', 'inline-images',
-     '--ii-min-bytes=0',
-    'large-inline-image', 'inline-images-all-size',
-     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=0 --ii-min-bytes=0',
-    'large-inline-image', 'inline-images-keep-some', '',
-    'large-inline-image', 'inline-images-keep-all', '--keep-inline-images',
-    'unsupported-optimization', 'unsupported',
-     '--oi-min-width=0 --oi-min-height=0 --oi-min-area=0',
-    );
-
-$n_tests += 2 * scalar(@image_opt);
-
-foreach my $d (@image_opt)
-{
-    my ($f, $description, $args) = @$d;
-
-    $td->runtest("optimize images: $description",
-                 {$td->COMMAND =>
-                      "qpdf --static-id --optimize-images --verbose" .
-                      " $args $f.pdf a.pdf",
-                      $td->FILTER => "perl filter-optimize-images.pl"},
-                 {$td->FILE => "optimize-images-$description.out",
-                      $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check json: $description",
-                 {$td->COMMAND => "qpdf --json --json-key=pages a.pdf"},
-                 {$td->FILE => "optimize-images-$description-json.out",
-                      $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Preserve unreferenced objects ---");
-$n_tests += 6;
-
-$td->runtest("drop unused objects",
-	     {$td->COMMAND => "qpdf --static-id unreferenced-objects.pdf a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "unreferenced-dropped.pdf"});
-$td->runtest("keep unused objects",
-	     {$td->COMMAND => "qpdf --static-id --preserve-unreferenced" .
-                  " unreferenced-objects.pdf a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "unreferenced-preserved.pdf"});
-$td->runtest("keep unused objects (C)",
-	     {$td->COMMAND =>
-                  "qpdf-ctest 21 unreferenced-objects.pdf '' a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "unreferenced-preserved.pdf"});
-show_ntests();
-# ----------
-$td->notify("--- Copy Foreign Objects ---");
-$n_tests += 7;
-
-foreach my $d (25, 1, 26, 2, 27, 3)
-{
-    my ($testn, $outn) = @$d;
-    $td->runtest("copy objects $outn",
-                 {$td->COMMAND => "test_driver $testn" .
-                      " minimal.pdf copy-foreign-objects-in.pdf"},
-                 {$td->STRING => "test $testn done\n", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check output",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "copy-foreign-objects-out$outn.pdf"});
-}
-$td->runtest("copy objects error",
-             {$td->COMMAND => "test_driver 28" .
-                  " copy-foreign-objects-in.pdf minimal.pdf"},
-             {$td->FILE => "copy-foreign-objects-errors.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-show_ntests();
-# ----------
-$td->notify("--- Error Condition Tests ---");
-# $n_tests incremented after initialization of badfiles below.
-
-my @badfiles = ("not a PDF file", 			# 1
-		"no startxref",				# 2
-		"bad primary xref offset",		# 3
-		"invalid xref syntax",			# 4
-		"invalid xref entry",			# 5
-		"free table inconsistency",		# 6
-		"no trailer dictionary",		# 7
-		"bad secondary xref",			# 8
-		"no /Size in trailer",			# 9
-		"/Size not integer",			# 10
-		"/Prev not integer",			# 11
-		"/Size inconsistency",			# 12
-		"bad {",				# 13
-		"bad }",				# 14
-		"bad ",				# 15
-		"bad >>",				# 16
-		"odd number of dictionary items",	# 17
-		"bad )",				# 18
-		"bad >",				# 19
-		"invalid hexstring character",		# 20
-		"invalid name token",			# 21
-		"no /Length for stream dictionary",	# 22
-		"/Length not integer",			# 23
-		"expected endstream",			# 24
-		"bad obj declaration (objid)",		# 25
-		"bad obj declaration (generation)",	# 26
-		"bad obj declaration (obj)",		# 27
-		"expected endobj",			# 28
-		"null in name",				# 29
-		"invalid stream /Filter",		# 30
-		"unknown stream /Filter",		# 31
-		"obj/gen mismatch",			# 32
-		"invalid stream /Filter and xref",	# 33
-		"obj/gen in wrong place",		# 34
-		"object stream of wrong type",		# 35
-                "bad dictionary key",                   # 36
-		);
-
-$n_tests += @badfiles + 5;
-
-# Test 6 contains errors in the free table consistency, but we no
-# longer have any consistency check for this since it is not important
-# neither Acrobat nor other PDF viewers really care.  Tests 12 and 28
-# have error conditions that used to be fatal but are now considered
-# non-fatal.
-my %badtest_overrides = ();
-for(6, 12..15, 17, 18..32, 34, 36)
-{
-    $badtest_overrides{$_} = 0;
-}
-
-for (my $i = 1; $i <= scalar(@badfiles); ++$i)
-{
-    my $status = $badtest_overrides{$i};
-    $status = 2 unless defined $status;
-    $td->runtest($badfiles$i-1,
-		 {$td->COMMAND => "test_driver 0 bad$i.pdf"},
-		 {$td->FILE => "bad$i.out",
-		  $td->EXIT_STATUS => $status},
-		 $td->NORMALIZE_NEWLINES);
-}
-
-$td->runtest("Suppress warnings",
-             {$td->COMMAND => "qpdf --no-warn bad14.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 3});
-$td->runtest("Suppress warnings with --check",
-             {$td->COMMAND => "qpdf --check --no-warn bad14.pdf"},
-             {$td->FILE => "bad14-check-no-warn.out",
-                  $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("C API: errors",
-	     {$td->COMMAND => "qpdf-ctest 2 bad1.pdf '' a.pdf"},
-	     {$td->FILE => "c-read-errors.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("C API: warnings writing",
-	     {$td->COMMAND => "qpdf-ctest 2 bad33.pdf '' a.pdf"},
-	     {$td->FILE => "c-write-warnings.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("C API: no recovery",
-	     {$td->COMMAND => "qpdf-ctest 10 bad33.pdf '' a.pdf"},
-	     {$td->FILE => "c-no-recovery.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Recovery Tests ---");
-$n_tests += @badfiles + 9;
-
-# Recovery tests.  These are mostly after-the-fact -- when recovery
-# was implemented, some degree of recovery was possible on many of the
-# files.  Mostly the recovery does not actually repair the error,
-# though in some cases it may.  Acrobat Reader would not be able to
-# recover any of these files any better.
-my %recover_failures = ();
-for (1, 7, 16, 35)
-{
-    $recover_failures{$_} = 1;
-}
-for (my $i = 1; $i <= scalar(@badfiles); ++$i)
-{
-    my $status = 0;
-    if (exists $recover_failures{$i})
-    {
-	$status = 2;
-    }
-    $td->runtest("recover " . $badfiles$i-1,
-		 {$td->COMMAND => "test_driver 1 bad$i.pdf"},
-		 {$td->FILE => "bad$i-recover.out",
-		  $td->EXIT_STATUS => $status},
-		 $td->NORMALIZE_NEWLINES);
-}
-
-# See if we can recover the cross reference table on a file that has
-# been appended to even when it deletes and reuses objects.  We can't
-# completely do it in the case of deleted objects, but we can get
-# mostly there.
-$td->runtest("good replaced page contents",
-	     {$td->COMMAND =>
-		  "qpdf --static-id -qdf --no-original-object-ids" .
-		  " append-page-content.pdf a.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "append-page-content-good.qdf"});
-$td->runtest("damaged replaced page contents",
-	     {$td->COMMAND =>
-		  "qpdf --static-id -qdf --no-original-object-ids" .
-		  " append-page-content-damaged.pdf a.pdf"},
-	     {$td->FILE => "append-page-content-damaged.out",
-	      $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "append-page-content-damaged.qdf"});
-$td->runtest("run check on damaged file",
-	     {$td->COMMAND => "qpdf --check append-page-content-damaged.pdf"},
-	     {$td->FILE => "append-page-content-damaged-check.out",
-	      $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check with C API",
-	     {$td->COMMAND =>
-		  "qpdf-ctest 1 append-page-content-damaged.pdf '' ''"},
-	     {$td->FILE => "append-page-content-damaged-c-check.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("recoverable xref errors",
-             {$td->COMMAND =>
-                  "qpdf --check --show-xref xref-errors.pdf"},
-             {$td->FILE => "xref-errors.out",
-              $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("xref loop with append",
-             {$td->COMMAND =>
-                  "qpdf --deterministic-id append-xref-loop.pdf a.pdf"},
-             {$td->FILE => "append-xref-loop.out",
-              $td->EXIT_STATUS => 3},
-             $td->NORMALIZE_NEWLINES);
-
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "append-xref-loop-fixed.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Basic Parsing Tests ---");
-# $n_tests incremented below after initialization of @goodfiles.
-
-my @goodfiles = ("implicit null",			# 1
-		 "direct null",				# 2
-		 "unresolved null",			# 3
-		 "indirect null",			# 4
-		 "indirect bool, real",			# 5
-		 "direct bool",				# 6
-		 "integer",				# 7
-		 "real, ASCIIHexDecode",		# 8
-		 "string",				# 9
-		 "array",				# 10
-		 "dictionary",				# 11
-		 "stream",				# 12
-		 "nesting, strings, names",		# 13
-		 "tokenizing pipeline",			# 14
-		 "name",				# 15
-		 "object-stream",			# 16
-		 "hybrid xref",				# 17
-		 "hybrid xref old mode",		# 18
-		 "xref with prev",			# 19
-		 "lots of compressible objects",	# 20
-		 "pound in name",                       # 21
-		 );
-
-$n_tests += (3 * @goodfiles) + 6;
-
-my %goodtest_overrides = ('14' => 3);
-my %goodtest_flags =
-    ('18' => '-ignore-xref-streams',
-     '20' => '-object-streams=generate',
-    );
-for (my $i = 1; $i <= scalar(@goodfiles); ++$i)
-{
-    my $n = $goodtest_overrides{$i} || 1;
-    $td->runtest("$goodfiles$i-1",
-		 {$td->COMMAND => "test_driver $n good$i.pdf"},
-		 {$td->FILE => "good$i.out",
-		  $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-    my $xflags = $goodtest_flags{$i} || '';
-    check_pdf("create qdf",
-	      "qpdf --static-id -qdf $xflags good$i.pdf",
-	      "good$i.qdf", 0);
-}
-
-check_pdf("no normalization",
-	  "qpdf -qdf --static-id --normalize-content=n good7.pdf",
-	  "good7-not-normalized.qdf",
-	  0);
-
-check_pdf("no qdf",
-	  "qpdf --static-id good17.pdf",
-	  "good17-not-qdf.pdf",
-	  0);
-
-check_pdf("no recompression",
-	  "qpdf --static-id --stream-data=preserve good17.pdf",
-	  "good17-not-recompressed.pdf",
-	  0);
-
-show_ntests();
-# ----------
-$td->notify("--- C API Tests ---");
-
-my @capi = (
-    2, 'no options',
-    3, 'normalized content',
-    4, 'ignore xref streams',
-    5, 'linearized',
-    6, 'object streams',
-    7, 'qdf',
-    8, 'no original object ids',
-    9, 'uncompressed streams',
-    );
-$n_tests += (2 * @capi) + 3;
-foreach my $d (@capi)
-{
-    my ($n, $description) = @$d;
-    my $outfile = $description;
-    $outfile =~ s/ /-/g;
-    $outfile = "c-$outfile.pdf";
-    $td->runtest($description,
-		 {$td->COMMAND => "qpdf-ctest $n hybrid-xref.pdf '' a.pdf"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("check $description",
-		 {$td->FILE => "a.pdf"},
-		 {$td->FILE => $outfile});
-}
-$td->runtest("write to bad file name",
-	     {$td->COMMAND => "qpdf-ctest 2 hybrid-xref.pdf '' /:a:/:b:"},
-	     {$td->REGEXP => "error: open /:a:/:b:: .*",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("write damaged to bad file name",
-	     {$td->COMMAND => "qpdf-ctest 2 append-page-content-damaged.pdf" .
-		  " '' /:a:/:b:"},
-	     {$td->REGEXP =>
-		  "warning:(?s:.*)\n" .
-		  "error: open /:a:/:b:: .*",
-		  $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("write damaged",
-	     {$td->COMMAND => "qpdf-ctest 2 append-page-content-damaged.pdf" .
-		  " '' a.pdf"},
-	     {$td->FILE => "c-write-damaged.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Deterministic ID Tests ---");
-$n_tests += 11;
-foreach my $d ('nn', 'ny', 'yn', 'yy')
-{
-    my $linearize = ($d =~ m/^y/);
-    my $ostream = ($d =~ m/y$/);
-    $td->runtest("deterministic ID: linearize/ostream=$d",
-                 {$td->COMMAND =>
-                      "qpdf -deterministic-id" .
-                      ($linearize ? " -linearize" : "") .
-                      " -object-streams=" . ($ostream ? "generate" : "disable") .
-                      " deterministic-id-in.pdf a.pdf"},
-                 {$td->STRING => "",
-                  $td->EXIT_STATUS => 0});
-    $td->runtest("compare files",
-                 {$td->FILE => "a.pdf"},
-                 {$td->FILE => "deterministic-id-$d.pdf"});
-}
-
-$td->runtest("deterministic ID with encryption",
-             {$td->COMMAND => "qpdf -deterministic-id encrypted-with-images.pdf a.pdf"},
-             {$td->STRING => "INTERNAL ERROR: QPDFWriter::generateID" .
-                  " has no data for deterministic ID." .
-                  "  This may happen if deterministic ID and" .
-                  " file encryption are requested together.\n",
-              $td->EXIT_STATUS => 2},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("deterministic ID (C API)",
-             {$td->COMMAND =>
-                  "qpdf-ctest 19 deterministic-id-in.pdf '' a.pdf"},
-             {$td->STRING => "",
-              $td->EXIT_STATUS => 0});
-$td->runtest("compare files",
-             {$td->FILE => "a.pdf"},
-             {$td->FILE => "deterministic-id-nn.pdf"});
-
-# ----------
-$td->notify("--- Object Stream Tests ---");
-$n_tests += (36 * 4) + (12 * 2);
-$n_compare_pdfs += 36;
-
-for (my $n = 16; $n <= 19; ++$n)
-{
-    my $in = "good$n.pdf";
-    foreach my $flags ('-object-streams=disable',
-		       '-object-streams=preserve',
-		       '-object-streams=generate')
-    {
-	foreach my $qdf ('-qdf', '', '-encrypt "" x 128 --')
-	{
-	    # 4 tests + 1 compare_pdfs * 36 cases
-	    # 2 additional tests * 12 cases
-	    $td->runtest("object stream mode",
-			 {$td->COMMAND =>
-			      "qpdf --static-id $flags $qdf $in a.pdf"},
-			 {$td->STRING => "",
-			  $td->EXIT_STATUS => 0});
-	    compare_pdfs("good$n.pdf", "a.pdf");
-	    if ($qdf eq '-qdf')
-	    {
-		$td->runtest("fix-qdf identity check",
-			     {$td->COMMAND => "fix-qdf a.pdf >| b.pdf"},
-			     {$td->STRING => "", $td->EXIT_STATUS => 0});
-		$td->runtest("compare files",
-			     {$td->FILE => "a.pdf"},
-			     {$td->FILE => "b.pdf"});
-	    }
-	    $td->runtest("convert to qdf",
-			 {$td->COMMAND =>
-			      "qpdf --static-id --no-original-object-ids" .
-			      " -qdf -decrypt" .
-			      " -object-streams=disable $in a.qdf"},
-			 {$td->STRING => "",
-			  $td->EXIT_STATUS => 0});
-	    $td->runtest("convert output to qdf",
-			 {$td->COMMAND =>
-			      "qpdf --static-id --no-original-object-ids" .
-			      " -qdf -object-streams=disable a.pdf b.qdf"},
-			 {$td->STRING => "",
-			  $td->EXIT_STATUS => 0});
-	    $td->runtest("compare files",
-			 {$td->FILE => "a.qdf"},
-			 {$td->FILE => "b.qdf"});
-	}
-    }
-    flush_tiff_cache();
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Specific File Tests ---");
-$n_tests += 4;
-
-# Special PDF files that caused problems at some point
-
-$td->runtest("damaged stream",
-	     {$td->COMMAND => "qpdf --check damaged-stream.pdf"},
-	     {$td->FILE => "damaged-stream.out", $td->EXIT_STATUS => 3},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("damaged stream (C)",
-	     {$td->COMMAND => "qpdf-ctest 2 damaged-stream.pdf '' a.pdf"},
-	     {$td->FILE => "damaged-stream-c-check.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("compress objstm and xref",
-             {$td->COMMAND =>
-                  "qpdf --static-id --stream-data=compress".
-                  " --object-streams=generate minimal.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "compress-objstm-xref.pdf"});
-
-show_ntests();
-# ----------
-$td->notify("--- Mutability Tests ---");
-$n_tests += 4;
-
-$td->runtest("no normalization",
-	     {$td->COMMAND => "test_driver 4 test4-1.pdf"},
-	     {$td->FILE => "test4-1.qdf",
-	      $td->EXIT_STATUS => 0});
-
-$td->runtest("object ordering",
-	     {$td->COMMAND => "test_driver 4 test4-4.pdf"},
-	     {$td->FILE => "test4-4.qdf",
-	      $td->EXIT_STATUS => 0});
-
-$td->runtest("loop detected",
-	     {$td->COMMAND => "test_driver 4 test4-2.pdf"},
-	     {$td->FILE => "test4-2.out",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("stream detected",
-	     {$td->COMMAND => "test_driver 4 test4-3.pdf"},
-	     {$td->FILE => "test4-3.out",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Extraction Tests ---");
-$n_tests += 13;
-
-$td->runtest("show xref",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-xref"},
-	     {$td->FILE => "show-xref.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show pages",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-pages"},
-	     {$td->FILE => "show-pages.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show-pages-images",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-pages --with-images"},
-	     {$td->FILE => "show-pages-images.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show-pages-images",
-	     {$td->COMMAND => "qpdf shared-images.pdf" .
-		  " --show-pages --with-images"},
-	     {$td->FILE => "shared-images-show.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show-page-1",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-object=5,0"},
-	     {$td->FILE => "show-page-1.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show-page-1-content-raw",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-object=7 --raw-stream-data"},
-	     {$td->FILE => "show-page-1-content-raw.out",
-	      $td->EXIT_STATUS => 0});
-
-$td->runtest("show-page-1-content-filtered",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-object=7 --filtered-stream-data"},
-	     {$td->FILE => "show-page-1-content-filtered.out",
-	      $td->EXIT_STATUS => 0});
-
-$td->runtest("show-page-1-content-normalized",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-object=7,0 --filtered-stream-data --normalize-content=y"},
-	     {$td->FILE => "show-page-1-content-normalized.out",
-	      $td->EXIT_STATUS => 0});
-
-$td->runtest("show-page-1-image",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-object=8 --raw-stream-data"},
-	     {$td->FILE => "show-page-1-image.out",
-	      $td->EXIT_STATUS => 0});
-
-$td->runtest("unfilterable stream data",
-	     {$td->COMMAND => "qpdf unfilterable.pdf" .
-		  " --show-object=4 --filtered-stream-data"},
-	     {$td->FILE => "show-unfilterable.out",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show-xref-by-id",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-object=12"},
-	     {$td->FILE => "show-xref-by-id.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("show-xref-by-id-filtered",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
-		  " --show-object=12 --filtered-stream-data"},
-	     {$td->FILE => "show-xref-by-id-filtered.out",
-	      $td->EXIT_STATUS => 0});
-
-$td->runtest("show trailer",
-	     {$td->COMMAND => "qpdf minimal.pdf --show-object=trailer"},
-	     {$td->FILE => "show-trailer.out",
-	      $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Clear-text Metadata Tests ---");
-$n_tests += 58;
-
-# args: file, exp_encrypted, exp_cleartext
-check_metadata("compressed-metadata.pdf", 0, 0);
-check_metadata("enc-base.pdf", 0, 1);
-
-foreach my $f (qw(compressed-metadata.pdf enc-base.pdf))
-{
-    foreach my $w (qw(compress preserve))
-    {
-	$td->runtest("$w streams ($f)",
-		     {$td->COMMAND => "qpdf --stream-data=$w $f a.pdf"},
-		     {$td->STRING => "", $td->EXIT_STATUS => 0});
-	check_metadata("a.pdf", 0, 1);
-	$td->runtest("encrypt normally",
-		     {$td->COMMAND =>
-			  "qpdf --encrypt '' '' 128 -- a.pdf b.pdf"},
-		     {$td->STRING => "", $td->EXIT_STATUS => 0});
-	check_metadata("b.pdf", 1, 0);
-	unlink "b.pdf";
-	$td->runtest("encrypt V4",
-		     {$td->COMMAND =>
-			  "qpdf --encrypt '' '' 128 --force-V4 -- a.pdf b.pdf"},
-		     {$td->STRING => "", $td->EXIT_STATUS => 0});
-	check_metadata("b.pdf", 1, 0);
-	unlink "b.pdf";
-	$td->runtest("encrypt with cleartext metadata",
-		     {$td->COMMAND =>
-			  "qpdf --encrypt '' '' 128 --cleartext-metadata --" .
-			  " a.pdf b.pdf"},
-		     {$td->STRING => "", $td->EXIT_STATUS => 0});
-	check_metadata("b.pdf", 1, 1);
-	$td->runtest("preserve encryption",
-		     {$td->COMMAND => "qpdf b.pdf c.pdf"},
-		     {$td->STRING => "", $td->EXIT_STATUS => 0});
-	check_metadata("c.pdf", 1, 1);
-	unlink "b.pdf", "c.pdf";
-	$td->runtest("encrypt with aes and cleartext metadata",
-		     {$td->COMMAND =>
-			  "qpdf --encrypt '' '' 128" .
-			  " --cleartext-metadata --use-aes=y -- a.pdf b.pdf"},
-		     {$td->STRING => "", $td->EXIT_STATUS => 0});
-	check_metadata("b.pdf", 1, 1);
-	$td->runtest("preserve encryption",
-		     {$td->COMMAND => "qpdf b.pdf c.pdf"},
-		     {$td->STRING => "", $td->EXIT_STATUS => 0});
-	check_metadata("c.pdf", 1, 1);
-	unlink "b.pdf", "c.pdf";
-    }
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Linearization Tests ---");
-# $n_tests incremented after initialization of @linearized_files and
-# @to_linearize.
-
-# *'ed files were linearized with Pdlin.
-my @linearized_files =
-    ('lin0',			#   not linearized
-     'lin1',			# * outlines, page labels, pdlin
-     'lin2',			# * lin1 with null and newline
-     'lin3',			#   same file saved with acrobat
-     'lin4',			# * lin1 with no /PageMode
-     'lin5',			#   lin3 with embedded thumbnails
-     'lin6',			# * lin5 with pdlin
-     'lin7',			#   lin5 with /PageMode /UseThumbs
-     'lin8',			# * lin7 with pdlin
-     'lin9',			# * shared objects, indirect null
-     'badlin1',			#   parameter dictionary errors
-     );
-
-my @to_linearize =
-    ('lin-special',		# lots of weird cases -- see file comments
-     'delete-and-reuse',	# deleted, reused objects
-     'lin-delete-and-reuse',	# linearized, then delete and reuse
-     'object-stream',		# contains object streams
-     'hybrid-xref',	        # contains both xref tables and streams
-     'gen1',                    # has objects with generation > 0
-     'direct-outlines',         # /Outlines is a direct object
-     @linearized_files,		# we should be able to relinearize
-     );
-
-$n_tests += @linearized_files + 6;
-$n_tests += (3 * @to_linearize * 5) + 6;
-
-foreach my $base (@linearized_files)
-{
-    $td->runtest("dump linearization: $base",
-		 {$td->COMMAND => "qpdf --show-linearization $base.pdf"},
-		 {$td->FILE => "$base.out",
-		  $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-}
-
-# Check normal modified and linearized modified files, making sure
-# that their qdf files are identical.  The next two tests have the
-# same expected output files and different input files.
-check_pdf("modified",
-	  "qpdf --static-id --qdf --no-original-object-ids" .
-	  " delete-and-reuse.pdf", "delete-and-reuse.qdf",
-	  0);
-check_pdf("linearized and modified",
-	  "qpdf --static-id --qdf --no-original-object-ids" .
-	  " lin-delete-and-reuse.pdf", "delete-and-reuse.qdf", # same output
-	  0);
-
-$td->runtest("check linearized and modified",
-	     {$td->COMMAND => "qpdf --check lin-delete-and-reuse.pdf"},
-	     {$td->FILE => "lin-delete-and-reuse-check.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check multiple modifications",
-	     {$td->COMMAND => "qpdf --check delete-and-reuse.pdf"},
-	     {$td->FILE => "delete-and-reuse-check.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-foreach my $base (@to_linearize)
-{
-    foreach my $omode (qw(disable preserve generate))
-    {
-	my $oarg = "-object-streams=$omode";
-        my $sdarg = "";
-        if (($base eq 'lin-special') || ($base eq 'object-stream'))
-        {
-            $sdarg = "--stream-data=uncompress";
-        }
-	$td->runtest("linearize $base ($omode)",
-		     {$td->COMMAND =>
-			  "qpdf -linearize $oarg $sdarg" .
-                          " --static-id $base.pdf a.pdf"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-	$td->runtest("check linearization",
-		     {$td->COMMAND => "qpdf --check-linearization a.pdf"},
-		     {$td->STRING => "a.pdf: no linearization errors\n",
-		      $td->EXIT_STATUS => 0},
-		     $td->NORMALIZE_NEWLINES);
-	# Relinearizing twice should produce identical results.  We
-	# have to do it twice because, if objects changed ordering
-	# during the original linearization, the hint tables won't
-	# exactly match.  This is because object identifiers are
-	# inserted into the hint table in their original order since
-	# we don't yet have renumbering information when we compute
-	# the table values.
-	$td->runtest("relinearize $base 1",
-		     {$td->COMMAND =>
-			  "qpdf -linearize $sdarg --static-id a.pdf b.pdf"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-	$td->runtest("relinearize $base 2",
-		     {$td->COMMAND =>
-			  "qpdf -linearize $sdarg --static-id b.pdf c.pdf"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-	$td->runtest("compare files ($omode)",
-		     {$td->FILE => "b.pdf"},
-		     {$td->FILE => "c.pdf"});
-	if (($base eq 'lin-special') || ($base eq 'object-stream'))
-	{
-	    $td->runtest("check $base ($omode)",
-			 {$td->FILE => "a.pdf"},
-			 {$td->FILE => "$base.$omode.exp"});
-	}
-    }
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Encryption Tests ---");
-# $n_tests incremented below
-
-# The enc-file.pdf files were encrypted using Acrobat 5.0, not the
-# qpdf library.  The files are decrypted using qpdf, then re-encrypted
-# using qpdf with specific flags.  The /P value is checked.  The
-# resulting files were saved and manually checked with Acrobat 5.0 to
-# ensure that the security settings were as intended.
-
-# The enc-XI-file.pdf files were treated the same way but with Acrobat
-# XI instead of Acrobat 5.0.  They were used to create test files with
-# newer encryption formats.
-
-# Values: basename, password, encryption flags, /P Encrypt key,
-# extract-for-accessibility, extract-for-any-purpose,
-# print-low-res, print-high-res, modify-assembly, modify-forms,
-# modify-annotate, modify-other, modify-all
-my @encrypted_files =
-    ('base', '',
-     'R3,V2', '',
-      '-accessibility=n -extract=n -print=full -modify=all', -532,
-      0, 0, 1, 1, 1, 1, 1, 1, 1,
-     'R3,V2,U=view', 'view',
-      '-accessibility=y -extract=n -print=none -modify=none', -3392,
-      1, 0, 0, 0, 0, 0, 0, 0, 0,
-     'R3,V2,O=master', 'master',
-      '-accessibility=n -extract=y -print=none -modify=annotate', -2576,
-      0, 1, 0, 0, 1, 1, 1, 0, 0,
-     'R3,V2,O=master', '',
-      '-accessibility=n -extract=n -print=none -modify=form', -2624,
-      0, 0, 0, 0, 1, 1, 0, 0, 0,
-     'R3,V2,U=view,O=master', 'view',
-      '-accessibility=n -extract=n -print=none -modify=assembly', -2880,
-      0, 0, 0, 0, 1, 0, 0, 0, 0,
-     'R3,V2,U=view,O=master', 'master',
-      '-accessibility=n -print=low', -2564,
-      0, 1, 1, 0, 1, 1, 1, 1, 1,
-     'R3,V2,U=view,O=master', 'master',
-      '-modify=all -assemble=n', -1028,
-      1, 1, 1, 1, 0, 1, 1, 1, 0,
-     'R3,V2,U=view,O=master', 'master',
-      '-modify=none -form=y', -1068,
-      1, 1, 1, 1, 0, 1, 0, 0, 0,
-     'R3,V2,U=view,O=master', 'master',
-      '-modify=annotate -assemble=n', -1036,
-      1, 1, 1, 1, 0, 1, 1, 0, 0,
-     'R3,V2,U=view,O=master', 'master',
-      '-form=n', -260,
-      1, 1, 1, 1, 1, 0, 1, 1, 0,
-     'R3,V2,U=view,O=master', 'master',
-      '-annotate=n', -36,
-      1, 1, 1, 1, 1, 1, 0, 1, 0,
-     'R3,V2,U=view,O=master', 'master',
-      '-modify-other=n', -12,
-      1, 1, 1, 1, 1, 1, 1, 0, 0,
-     'R2,V1', '',
-      '-print=n -modify=n -extract=n -annotate=n', -64,
-      0, 0, 0, 0, 0, 0, 0, 0, 0,
-     'R2,V1,U=view', 'view',
-      '-print=y -modify=n -extract=n -annotate=n', -60,
-      0, 0, 1, 1, 0, 0, 0, 0, 0,
-     'R2,V1,O=master', 'master',
-      '-print=n -modify=y -extract=n -annotate=n', -56,
-      0, 0, 0, 0, 1, 0, 0, 1, 0,
-     'R2,V1,O=master', '',
-      '-print=n -modify=n -extract=y -annotate=n', -48,
-      1, 1, 0, 0, 0, 0, 0, 0, 0,
-     'R2,V1,U=view,O=master', 'view',
-      '-print=n -modify=n -extract=n -annotate=y', -32,
-      0, 0, 0, 0, 0, 1, 1, 0, 0,
-     'R2,V1,U=view,O=master', 'master',
-      '', -4,
-      1, 1, 1, 1, 1, 1, 1, 1, 1,
-     'long-password', 'asdf asdf asdf asdf asdf asdf qwer',
-     'long-password', 'asdf asdf asdf asdf asdf asdf qw',
-     'XI-base', '',
-     'XI-R6,V5,O=master', '',
-      '-extract=n -print=none -modify=assembly', -2368,
-      1, 0, 0, 0, 1, 0, 0, 0, 0,
-     'XI-R6,V5,O=master', 'master',
-      '-extract=n -print=none -modify=assembly', -2368,
-      1, 0, 0, 0, 1, 0, 0, 0, 0,
-     'XI-R6,V5,U=view,O=master', 'view',
-      '-print=low', -2052,
-      1, 1, 1, 0, 1, 1, 1, 1, 1,
-     'XI-R6,V5,U=view,O=master', 'master',
-      '-print=low', -2052,
-      1, 1, 1, 0, 1, 1, 1, 1, 1,
-     'XI-R6,V5,U=view,O=master', 'master',
-      '-accessibility=n', -4, # -accessibility=n has no effect
-      1, 1, 1, 1, 1, 1, 1, 1, 1,
-     'XI-long-password', 'qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnm',
-     'XI-long-password', 'qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcv',
-    );
-
-$n_tests += 5 + (2 * (@encrypted_files)) + (6 * (@encrypted_files - 6)) + 9;
-
-$td->runtest("encrypted file",
-	     {$td->COMMAND => "test_driver 2 encrypted-with-images.pdf"},
-	     {$td->FILE => "encrypted1.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("preserve encryption",
-	     {$td->COMMAND => "qpdf encrypted-with-images.pdf encrypted-with-images.enc"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0});
-$td->runtest("recheck encrypted file",
-	     {$td->COMMAND => "test_driver 2 encrypted-with-images.enc"},
-	     {$td->FILE => "encrypted1.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-# Test that long passwords that are one character too short fail.  We
-# test the truncation cases in the loop below by using passwords
-# longer than the supported length.
-$td->runtest("significant password characters (V < 5)",
-             {$td->COMMAND => "qpdf --check enc-long-password.pdf" .
-                  " --password='asdf asdf asdf asdf asdf asdf q'"},
-             {$td->REGEXP => ".*invalid password.*", $td->EXIT_STATUS => 2});
-$td->runtest("significant password characters (V = 5)",
-             {$td->COMMAND => "qpdf --check enc-XI-long-password.pdf" .
-                  " --password=qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxc"},
-             {$td->REGEXP => ".*invalid password.*", $td->EXIT_STATUS => 2});
-
-my $enc_base = undef;
-foreach my $d (@encrypted_files)
-{
-    my ($file, $pass, $xeflags, $P,
-	$accessible, $extract, $printlow, $printhigh,
-	$modifyassembly, $modifyform, $modifyannot,
-	$modifyother, $modifyall) = @$d;
-
-    my $f = sub { $_0 ? "allowed" : "not allowed" };
-    my $enc_details =
-	"extract for accessibility: " . &$f($accessible) . "\n" .
-	"extract for any purpose: " . &$f($extract) . "\n" .
-	"print low resolution: " . &$f($printlow) . "\n" .
-	"print high resolution: " . &$f($printhigh) . "\n" .
-	"modify document assembly: " . &$f($modifyassembly) . "\n" .
-	"modify forms: " . &$f($modifyform) . "\n" .
-	"modify annotations: " . &$f($modifyannot) . "\n" .
-	"modify other: " . &$f($modifyother) . "\n" .
-	"modify anything: " . &$f($modifyall) . "\n";
-    if ($file =~ m/XI-/)
-    {
-        $enc_details .=
-            "stream encryption method: AESv3\n" .
-            "string encryption method: AESv3\n" .
-            "file encryption method: AESv3\n";
-    }
-
-    # Test writing to stdout
-    $td->runtest("decrypt $file",
-		 {$td->COMMAND =>
-		      "qpdf --static-id -qdf --object-streams=disable" .
-                      " --no-original-object-ids" .
-		      " --password=\"$pass\" enc-$file.pdf -" .
-		      " > $file.enc"},
-		 {$td->STRING => "",
-		  $td->EXIT_STATUS => 0});
-    if ($file =~ m/base$/)
-    {
-        $enc_base = $file;
-	$td->runtest("check ID",
-		     {$td->COMMAND => "perl check-ID.pl $file.enc"},
-		     {$td->STRING => "ID okay\n",
-		      $td->EXIT_STATUS => 0},
-		     $td->NORMALIZE_NEWLINES);
-    }
-    else
-    {
-	$td->runtest("check against base",
-		     {$td->COMMAND =>
-                          "sh ./diff-encrypted $enc_base.enc $file.enc"},
-		     {$td->STRING => "okay\n",
-		      $td->EXIT_STATUS => 0},
-		     $td->NORMALIZE_NEWLINES);
-    }
-    if ($file =~ m/^(?:XI-)?R(\d),V(\d)(?:,U=(\w+))?(?:,O=(\w+))?$/)
-    {
-	my $R = $1;
-	my $V = $2;
-	my $upass = $3 || "";
-	my $opass = $4 || "";
-	my $bits = (($V == 5) ? 256 : ($V == 2) ? 128 : 40);
-
-	my $eflags = "-encrypt \"$upass\" \"$opass\" $bits $xeflags --";
-        if (($pass ne $upass) && ($V >= 5))
-        {
-            # V >= 5 can no longer recover user password with owner
-            # password.
-            $upass = "";
-        }
-        my $accessibility_warning = "";
-        if (($R > 3) && ($eflags =~ /accessibility=n/))
-        {
-            $accessibility_warning =
-                "qpdf: -accessibility=n is ignored" .
-                " for modern encryption formats\n";
-        }
-	$td->runtest("encrypt $file",
-		     {$td->COMMAND =>
-			  "qpdf --static-id --no-original-object-ids -qdf" .
-			  " $eflags $file.enc $file.enc2"},
-		     {$td->STRING => $accessibility_warning,
-		      $td->EXIT_STATUS => 0},
-                     $td->NORMALIZE_NEWLINES);
-	$td->runtest("check /P",
-		     {$td->COMMAND =>
-			  "qpdf --show-encryption --password=\"$pass\"" .
-			  " $file.enc2"},
-		     {$td->STRING => "R = $R\nP = $P\n" .
-			  "User password = $upass\n$enc_details",
-			  $td->EXIT_STATUS => 0},
-		     $td->NORMALIZE_NEWLINES);
-	$td->runtest("decrypt again",
-		     {$td->COMMAND =>
-			  "qpdf --static-id --no-original-object-ids -qdf" .
-			  " --password=\"$pass\"" .
-			  " $file.enc2 $file.enc3"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-	$td->runtest("compare",
-		     {$td->FILE => "$file.enc"},
-		     {$td->FILE => "$file.enc3"});
-	$td->runtest("preserve encryption",
-		     {$td->COMMAND =>
-			  "qpdf --static-id --password=\"$pass\"" .
-			  " $file.enc2 $file.enc4"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-	$td->runtest("check /P",
-		     {$td->COMMAND =>
-			  "qpdf --show-encryption --password=\"$pass\"" .
-			  " $file.enc4"},
-		     {$td->STRING => "R = $R\nP = $P\n" .
-			  "User password = $upass\n$enc_details",
-			  $td->EXIT_STATUS => 0},
-		     $td->NORMALIZE_NEWLINES);
-    }
-}
-
-$td->runtest("non-encrypted",
-	     {$td->COMMAND => "qpdf --show-encryption enc-base.pdf"},
-	     {$td->STRING => "File is not encrypted\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-$td->runtest("invalid password",
-	     {$td->COMMAND => "qpdf -qdf --password=quack" .
-		  " enc-R2,V1,U=view.pdf a.qdf"},
-	     {$td->STRING => "enc-R2,V1,U=view.pdf: invalid password\n",
-	      $td->EXIT_STATUS => 2},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("C API: invalid password",
-	     {$td->COMMAND => "qpdf-ctest 2 enc-R2,V1,U=view.pdf '' a.qdf"},
-	     {$td->FILE => "c-invalid-password.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-my @cenc = (
-    11, 'hybrid-xref.pdf', "''", 'r2', "", "",
-    12, 'hybrid-xref.pdf', "''", 'r3', "", "",
-    15, 'hybrid-xref.pdf', "''", 'r4', "", "",
-    17, 'hybrid-xref.pdf', "''", 'r5', "", "owner3",
-    18, 'hybrid-xref.pdf', "''", 'r6', "", "user4",
-    13, 'c-r2.pdf', 'user1', 'decrypt with user',
-     "user password: user1\n", "",
-    13, 'c-r3.pdf', 'owner2', 'decrypt with owner',
-     "user password: user2\n", "",
-    13, 'c-r5-in.pdf', 'user3', 'decrypt R5 with user',
-     "user password: user3\n", "",
-    13, 'c-r6-in.pdf', 'owner4', 'decrypt R6 with owner',
-     "user password: \n", "",
-    );
-$n_tests += 2 * @cenc;
-
-foreach my $d (@cenc)
-{
-    my ($n, $infile, $pass, $description, $output, $checkpass) = @$d;
-    my $outfile = $description;
-    $outfile =~ s/ /-/g;
-    my $pdf_outfile = "c-$outfile.pdf";
-    my $check_outfile = "c-$outfile.out";
-    $td->runtest("C API encryption: $description",
-		 {$td->COMMAND => "qpdf-ctest $n $infile $pass a.pdf"},
-		 {$td->STRING => $output, $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-    if (-f $pdf_outfile)
-    {
-        $td->runtest("check $description content",
-                     {$td->FILE => "a.pdf"},
-                     {$td->FILE => $pdf_outfile});
-    }
-    else
-    {
-        # QPDF doesn't provide any way to make the random bits in
-        # /Perms static, so we have no way to predictably create a
-        # /V=5 encrypted file.  It's not worth adding this...the test
-        # suite is adequate without having a statically predictable
-        # file.
-        $td->runtest("check $description",
-                     {$td->COMMAND =>
-                          "qpdf --check a.pdf --password=$checkpass"},
-                     {$td->FILE => $check_outfile, $td->EXIT_STATUS => 0},
-                     $td->NORMALIZE_NEWLINES);
-    }
-}
-
-# Test combinations of linearization and encryption.  Note that we do
-# content checks on encrypted and linearized files in various
-# combinations below.  Here we are just making sure that they are
-# linearized and/or encrypted as desired.
-
-$td->runtest("linearize encrypted file",
-	     {$td->COMMAND => "qpdf --linearize encrypted-with-images.pdf a.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0});
-$td->runtest("check encryption",
-	     {$td->COMMAND => "qpdf --show-encryption a.pdf",
-	      $td->FILTER => "grep -v allowed"},
-	     {$td->STRING => "R = 3\nP = -4\nUser password = \n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check linearization",
-	     {$td->COMMAND => "qpdf --check-linearization a.pdf"},
-	     {$td->STRING => "a.pdf: no linearization errors\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("linearize and encrypt file",
-	     {$td->COMMAND =>
-		  "qpdf --linearize --encrypt user owner 128 --use-aes=y --" .
-		  " lin-special.pdf a.pdf"},
-	     {$td->STRING => "",
-	      $td->EXIT_STATUS => 0});
-$td->runtest("check encryption",
-	     {$td->COMMAND => "qpdf --show-encryption --password=owner a.pdf",
-	      $td->FILTER => "grep -v allowed | grep -v method"},
-	     {$td->STRING => "R = 4\nP = -4\nUser password = user\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("check linearization",
-	     {$td->COMMAND => "qpdf --check-linearization" .
-		  " --password=user a.pdf"},
-	     {$td->STRING => "a.pdf: no linearization errors\n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-# Test AES encryption in various ways.
-$n_tests += 18;
-$td->runtest("encrypt with AES",
-	     {$td->COMMAND => "qpdf --encrypt '' '' 128 --use-aes=y --" .
-		  " enc-base.pdf a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check encryption",
-	     {$td->COMMAND => "qpdf --show-encryption a.pdf",
-	      $td->FILTER => "grep -v allowed | grep -v method"},
-	     {$td->STRING => "R = 4\nP = -4\nUser password = \n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("convert original to qdf",
-	     {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
-		  " --qdf --min-version=1.6 enc-base.pdf a.qdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("convert encrypted to qdf",
-	     {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
-		  " --qdf a.pdf b.qdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("compare files",
-	     {$td->FILE => 'a.qdf'},
-	     {$td->FILE => 'b.qdf'});
-$td->runtest("linearize with AES and object streams",
-	     {$td->COMMAND => "qpdf --encrypt '' '' 128 --use-aes=y --" .
-		  " --linearize --object-streams=generate enc-base.pdf a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check encryption",
-	     {$td->COMMAND => "qpdf --show-encryption a.pdf",
-	      $td->FILTER => "grep -v allowed | grep -v method"},
-	     {$td->STRING => "R = 4\nP = -4\nUser password = \n",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("linearize original",
-	     {$td->COMMAND => "qpdf --linearize --object-streams=generate" .
-		  " enc-base.pdf b.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("convert linearized original to qdf",
-	     {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
-		  " --qdf --object-streams=generate --min-version=1.6" .
-		  " b.pdf a.qdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("convert encrypted to qdf",
-	     {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
-		  " --qdf --object-streams=generate a.pdf b.qdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("compare files",
-	     {$td->FILE => 'a.qdf'},
-	     {$td->FILE => 'b.qdf'});
-$td->runtest("force version on aes encrypted",
-	     {$td->COMMAND => "qpdf --force-version=1.4 a.pdf b.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check",
-	     {$td->COMMAND => "qpdf --check b.pdf"},
-	     {$td->FILE => "aes-forced-check.out",
-	      $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("make sure there is no xref stream",
-	     {$td->COMMAND => "grep /ObjStm b.pdf | wc -l"},
-	     {$td->REGEXP => "\\s*0\\s*", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("encrypt with V=5,R=5",
-             {$td->COMMAND =>
-                  "qpdf --encrypt user owner 256 --force-R5 -- " .
-                  "minimal.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check encryption",
-	     {$td->COMMAND => "qpdf --check a.pdf --password=owner"},
-	     {$td->FILE => "V5R5.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-$td->runtest("encrypt with V=5,R=6",
-             {$td->COMMAND =>
-                  "qpdf --encrypt user owner 256 -- " .
-                  "minimal.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check encryption",
-	     {$td->COMMAND => "qpdf --check a.pdf --password=user"},
-	     {$td->FILE => "V5R6.out", $td->EXIT_STATUS => 0},
-	     $td->NORMALIZE_NEWLINES);
-
-# Look at some actual V4 files
-$n_tests += 14;
-foreach my $d ('--force-V4', 'V4',
-	       '--cleartext-metadata', 'V4-clearmeta',
-	       '--use-aes=y', 'V4-aes',
-	       '--cleartext-metadata --use-aes=y', 'V4-aes-clearmeta')
-{
-    my ($args, $out) = @$d;
-    $td->runtest("encrypt $args",
-		 {$td->COMMAND => "qpdf --static-aes-iv --static-id" .
-		      " --encrypt '' '' 128 $args -- enc-base.pdf a.pdf"},
-		 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("check output",
-		 {$td->FILE => "a.pdf"},
-		 {$td->FILE => "$out.pdf"});
-    $td->runtest("show encryption",
-		 {$td->COMMAND => "qpdf --show-encryption a.pdf"},
-		 {$td->FILE => "$out-encryption.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-# Crypt Filter
-$td->runtest("decrypt with crypt filter",
-	     {$td->COMMAND => "qpdf --decrypt --static-id" .
-		  " metadata-crypt-filter.pdf a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => 'a.pdf'},
-	     {$td->FILE => 'decrypted-crypt-filter.pdf'});
-
-# Copy encryption parameters
-$n_tests += 10;
-$td->runtest("create reference qdf",
-             {$td->COMMAND =>
-                  "qpdf --qdf --no-original-object-ids minimal.pdf a.qdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("create encrypted file",
-	     {$td->COMMAND =>
-		  "qpdf --encrypt user owner 128 --use-aes=y --extract=n --" .
-                  " minimal.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("copy encryption parameters",
-             {$td->COMMAND => "test_driver 30 minimal.pdf a.pdf"},
-             {$td->STRING => "test 30 done\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output encryption",
-	     {$td->COMMAND => "qpdf --show-encryption b.pdf --password=owner"},
-	     {$td->FILE => "copied-encryption.out",
-	      $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("convert to qdf",
-             {$td->COMMAND =>
-                  "qpdf --qdf b.pdf b.qdf" .
-                  " --password=owner --no-original-object-ids"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("compare qdf",
-             {$td->COMMAND => "sh ./diff-ignore-ID-version a.qdf b.qdf"},
-             {$td->STRING => "okay\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("copy encryption with qpdf",
-             {$td->COMMAND =>
-                  "qpdf --copy-encryption=a.pdf".
-                  " --encryption-file-password=user" .
-                  " minimal.pdf c.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("check output encryption",
-	     {$td->COMMAND => "qpdf --show-encryption c.pdf --password=owner"},
-	     {$td->FILE => "copied-encryption.out",
-	      $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("convert to qdf",
-             {$td->COMMAND =>
-                  "qpdf --qdf c.pdf c.qdf" .
-                  " --password=owner --no-original-object-ids"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("compare qdf",
-             {$td->COMMAND => "sh ./diff-ignore-ID-version a.qdf c.qdf"},
-             {$td->STRING => "okay\n", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-# Files with attachments
-my @attachments = (
-    'enc-XI-attachments-base.pdf',
-    'enc-XI-R6,V5,U=attachment,encrypted-attachments.pdf',
-    'enc-XI-R6,V5,U=view,attachments,cleartext-metadata.pdf');
-$n_tests += 4 * @attachments + 3;
-foreach my $f (@attachments)
-{
-    my $pass = '';
-    my $tpass = '';
-    if ($f =~ m/U=(^,\.+)/)
-    {
-        $pass = "--password=$1";
-        $tpass = $1;
-    }
-    $td->runtest("decrypt $f",
-                 {$td->COMMAND => "qpdf --decrypt $pass $f a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("extract attachments",
-                 {$td->COMMAND => "test_driver 35 a.pdf"},
-                 {$td->FILE => "attachments.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("copy $f",
-                 {$td->COMMAND => "qpdf $pass $f a.pdf"},
-                 {$td->STRING => "", $td->EXIT_STATUS => 0});
-    $td->runtest("extract attachments",
-                 {$td->COMMAND => "test_driver 35 a.pdf $tpass"},
-                 {$td->FILE => "attachments.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-$td->runtest("unfilterable with crypt",
-             {$td->COMMAND =>
-                  "test_driver 36 unfilterable-with-crypt.pdf attachment"},
-             {$td->FILE => "unfilterable-with-crypt-before.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-unlink "a.pdf";
-$td->runtest("decrypt file",
-             {$td->COMMAND => "qpdf -decrypt --password=attachment" .
-                  " unfilterable-with-crypt.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("copy of unfilterable with crypt",
-             {$td->COMMAND =>
-                  "test_driver 36 a.pdf attachment"},
-             {$td->FILE => "unfilterable-with-crypt-after.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-# Raw encryption key
-my @enc_key = ('user', '--password=user3',
-               'owner', '--password=owner3',
-               'hex', '--password-is-hex-key --password=35ea16a48b6a3045133b69ac0906c2e8fb0a2cc97903ae17b51a5786ebdba020');
-$n_tests += scalar(@enc_key);
-foreach my $d (@enc_key)
-{
-    my ($description, $pass) = @$d;
-    $td->runtest("use/show encryption key ($description)",
-                 {$td->COMMAND =>
-                      "qpdf --check --show-encryption-key c-r5-in.pdf $pass"},
-             {$td->FILE => "c-r5-key-$description.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Unicode Passwords ---");
-# $n_tests incremented below
-
-# Files with each of these passwords when properly encoded have been
-# tested manually with multiple PDF viewers. Adobe Reader, chrome,
-# xpdf, and gv can open all of them except R3 with "single-byte",
-# which can be opened by xpdf and gv but not the others. As of
-# 2019-01-19, okular and atril (evince) are not able to open R=6 files
-# with Unicode passwords as generated by qpdf but can open the R=3
-# files.
-
-# bits, password-or-password-name, write-encoding, actual-encoding, xargs,
-#  read-encoding, strict?, fail?, tried-others, xargs
-my @unicode_pw_cases = (
-    128, 'simple', 'pdf-doc', 'pdf-doc', '',
-     'utf8', 0, 0, 1, '',
-      'utf8', 1, 1, 0, '',
-      'pdf-doc', 1, 0, 0, '',
-     ,
-    128, 'simple', 'utf8', 'utf8', '--password-mode=bytes',
-     'pdf-doc', 0, 0, 1, '',
-      'pdf-doc', 1, 1, 0, '',
-      'utf8', 1, 0, 0, '',
-     ,
-    128, 'simple', 'utf8', 'pdf-doc', '--password-mode=unicode',
-     'pdf-doc', 1, 0, 0, '',
-     ,
-    128, 'simple', 'utf8', 'pdf-doc', '--password-mode=auto',
-     'pdf-doc', 1, 0, 0, '',
-     ,
-    128, 'single-byte', 'utf8', 'pdf-doc', '',
-     'pdf-doc', 1, 0, 0, '',
-      'win-ansi', 0, 0, 1, '',
-     ,
-    128, 'single-byte', 'utf8', 'pdf-doc', '--password-mode=unicode',
-     'pdf-doc', 1, 0, 0, '',
-      'win-ansi', 0, 0, 1, '',
-     ,
-    128, 'single-byte', 'win-ansi', '', '--password-mode=unicode',
-     "supplied password is not valid UTF-8\n",
-    ,
-    128, 'single-byte', 'win-ansi', 'win-ansi', '',
-     'win-ansi', 1, 0, 0, '',
-     ,
-    128, 'single-byte', 'pdf-doc', 'pdf-doc', '',
-     'pdf-doc', 1, 0, 0, '',
-      'win-ansi', 0, 0, 1, '',
-      'pdf-doc-hex', 1, 0, 0, '--password-mode=hex-bytes',
-     ,
-    128, 'complex', 'utf8', '', '--password-mode=unicode',
-     "supplied password cannot be encoded for 40-bit or" .
-     " 128-bit encryption formats\n"
-    ,
-    128, 'complex', 'utf8', 'utf8', '--password-mode=bytes',
-     'utf8', 1, 0, 0, '',
-     ,
-    256, 'single-byte', 'win-ansi', '', '--password-mode=unicode',
-     "supplied password is not valid UTF-8\n",
-    ,
-    256, 'single-byte', 'win-ansi', '', '--password-mode=auto',
-     "supplied password is not a valid Unicode password, which is" .
-     " required for 256-bit encryption; to really use this password," .
-     " rerun with the --password-mode=bytes option\n",
-    ,
-    256, 'single-byte', 'win-ansi', 'win-ansi', '--password-mode=bytes',
-     'utf8', 0, 0, 1, '',
-      'utf8', 1, 1, 0, '',
-      'win-ansi', 1, 0, 0, '',
-      'win-ansi', 0, 0, 0, '',
-      'pdf-doc', 0, 0, 1, '',
-      'pdf-doc-hex', 0, 0, 1, '--password-mode=hex-bytes',
-     ,
-    256, 'complex', 'utf8', 'utf8', '',
-     'utf8', 1, 0, 0, '',
-      'utf8-hex', 1, 0, 0, '--password-mode=hex-bytes',
-     ,
-    256, 'complex', 'utf8-hex', 'utf8', '--password-mode=hex-bytes',
-     'utf8', 1, 0, 0, '',
-      'utf8-hex', 1, 0, 0, '--password-mode=hex-bytes',
-     ,
-    256, 'complex', 'utf8', 'utf8', '--password-mode=unicode',
-     'utf8', 1, 0, 0, '',
-      'password-arg-simple-utf8', 0, 1, 1, '',
-     ,
-    );
-
-for my $d (@unicode_pw_cases)
-{
-    my $decode_cases = $d->5;
-    $n_tests += 1;
-    if (ref($decode_cases) eq 'ARRAY')
-    {
-        $n_tests += scalar(@$decode_cases);
-    }
-}
-
-foreach my $d (@unicode_pw_cases)
-{
-    my ($bits, $pw, $w_encoding, $a_encoding, $xargs, $decode_cases) = @$d;
-    my $w_pfile = "password-bare-$pw-$w_encoding";
-    my $upass;
-    if (-f $w_pfile)
-    {
-        $upass = '@' . $w_pfile;
-    }
-    else
-    {
-        $upass = "$pw";
-    }
-    my $outbase = "unicode-pw-$bits-$pw-$w_encoding-$xargs";
-    my $exp = '';
-    if (ref($decode_cases) ne 'ARRAY')
-    {
-        $exp = $decode_cases;
-        $decode_cases = ;
-    }
-    $td->runtest("encode $bits, $pw, $w_encoding",
-                 {$td->COMMAND =>
-                      "qpdf $xargs --static-id --static-aes-iv" .
-                      " --encrypt $upass o $bits -- minimal.pdf a.pdf"},
-                 {$td->STRING => $exp, $td->EXIT_STATUS => ($exp ? 2 : 0)},
-                 $td->NORMALIZE_NEWLINES);
-    foreach my $d2 (@$decode_cases)
-    {
-        my ($r_encoding, $strict, $xfail, $tried_others, $r_xargs) = @$d2;
-        my $r_pfile = "password-arg-$pw-$r_encoding";
-        if (! -f $r_pfile)
-        {
-            $r_pfile = $r_encoding;
-        }
-        my $r_output = "";
-        $r_output .= "trying other\n" if $tried_others;
-        if ($xfail)
-        {
-            $r_output .= "a.pdf: invalid password\n";
-        }
-        else
-        {
-            $r_output .= "R = " . ($bits == 128 ? '3' : '6') . "\n";
-            open(F, "<password-bare-$pw-$a_encoding") or die;
-            chomp (my $apw = <F>);
-            close(F);
-            $r_output .= "User password = $apw\n";
-        }
-        $r_xargs .= $strict ? ' --suppress-password-recovery' : '';
-        $td->runtest("decrypt $pw, $r_encoding, strict=$strict",
-                     {$td->COMMAND =>
-                          "qpdf --show-encryption --verbose" .
-                          " $r_xargs a.pdf \@$r_pfile",
-                          $td->FILTER => "perl show-unicode-encryption.pl"},
-                     {$td->STRING => "$r_output",
-                          $td->EXIT_STATUS => ($xfail ? 2 : 0)},
-                     $td->NORMALIZE_NEWLINES);
-    }
-}
-
-$n_tests += 5;
-
-$td->runtest("bytes fallback warning",
-             {$td->COMMAND =>
-                  "qpdf --encrypt \@password-bare-complex-utf8 o 128 --" .
-                  " minimal.pdf a.pdf"},
-             {$td->FILE => "bytes-fallback.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-{ # local scope
-    my $r_output = "";
-    $r_output .= "R = 3\n";
-    open(F, "<password-bare-complex-utf8") or die;
-    chomp (my $apw = <F>);
-    close(F);
-    $r_output .= "User password = $apw\n";
-    $td->runtest("decrypt bytes fallback",
-                 {$td->COMMAND =>
-                      "qpdf --show-encryption --verbose" .
-                      " a.pdf \@password-arg-complex-utf8" .
-                      " --password-mode=bytes",
-                      $td->FILTER => "perl show-unicode-encryption.pl"},
-                 {$td->STRING => "$r_output", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-# Exercise passing Unicode passwords via the command line. This tests
-# wmain for Windows and assumes a UTF-8 locale for other platforms.
-$td->runtest("Unicode at CLI",
-             {$td->COMMAND =>
-                  "qpdf --encrypt π ʬ 256 --" .
-                  " minimal.pdf a.pdf"},
-             {$td->STRING => "", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("Decrypt using user password",
-             {$td->COMMAND => "qpdf --show-encryption a.pdf --password=π"},
-             {$td->FILE => "unicode-up.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-$td->runtest("Decrypt using owner password",
-             {$td->COMMAND => "qpdf --show-encryption a.pdf --password=ʬ"},
-             {$td->FILE => "unicode-op.out", $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- Check from C API ---");
-my @c_check_types = qw(warn clear);
-$n_tests += scalar(@c_check_types);
-
-foreach my $i (@c_check_types)
-{
-    $td->runtest("C check $i",
-                 {$td->COMMAND => "qpdf-ctest 23 c-check-$i-in.pdf '' -"},
-                 {$td->FILE => "c-check-$i.out",
-                      $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-}
-
-show_ntests();
-# ----------
-$td->notify("--- Content Preservation Tests ---");
-# $n_tests incremented below
-
-my @files = ("encrypted-with-images.pdf", # encrypted
-	     "inline-images.pdf",
-	     "lin-special.pdf",
-	     "object-stream.pdf",
-	     "hybrid-xref.pdf");
-my @flags = ("-qdf",						# 1
-	      "qdf",
-	     "-qdf --normalize-content=n",			# 2
-	      "qdf not normalized",
-	     "-qdf --stream-data=preserve",			# 3
-	      "qdf not uncompressed",
-	     "-qdf --stream-data=preserve --normalize-content=n", # 4
-	      "qdf not normalized or uncompressed",
-	     "--stream-data=uncompress",			# 5
-	      "uncompresed",
-	     "--normalize-content=y",				# 6
-	      "normalized",
-	     "--stream-data=uncompress --normalize-content=y",	# 7
-	      "uncompressed and normalized",
-	     "-decrypt",					# 8
-	      "decrypted",
-	     "-linearize",					# 9
-	      "linearized",
-	     "-encrypt \"\" owner 128 --",			# 10
-	      "encrypted",
-	     "-linearize -encrypt \"\" o 128 --",		# 11
-	      "linearized and encrypted",
-	     "",						# 12
-	      "no arguments",
-	     );
-
-$n_tests += 1 + (@files * @flags  * 2 * 3);
-$n_compare_pdfs += 1 + (@files * @flags * 2);
-
-foreach my $file (@files)
-{
-    my $base = basename($file, '.pdf');
-
-    foreach my $o (qw(disable generate))
-    {
-	my $n = 0;
-	my $oflags = "--object-streams=$o";
-	my $odescrip = "os:" . substr($o, 0, 1);
-	my $osuf = ($o eq 'generate' ? "-ogen" : "");
-	foreach my $d (@flags)
-	{
-	    my ($flags, $fdescrip) = @$d;
-	    ++$n;
-	    system("rm -f *.pnm");
-
-	    $td->runtest("$file ($odescrip $fdescrip)",
-			 {$td->COMMAND => "qpdf $flags $oflags $file a.pdf"},
-			 {$td->STRING => "",
-			  $td->EXIT_STATUS => 0});
-
-	    $td->runtest("check status",
-			 {$td->COMMAND => "qpdf --check a.pdf"},
-			 {$td->FILE => "$base.$n$osuf.check",
-                              $td->EXIT_STATUS => 0},
-			 $td->NORMALIZE_NEWLINES);
-
-	    $td->runtest("check with C API",
-			 {$td->COMMAND => qw(qpdf-ctest 1 a.pdf), "", ""},
-			 {$td->FILE => "$base.$n$osuf.c-check",
-			  $td->EXIT_STATUS => 0},
-			 $td->NORMALIZE_NEWLINES);
-
-	    compare_pdfs($file, "a.pdf");
-	}
-	flush_tiff_cache();
-    }
-}
-
-$td->runtest("convert inline-images to qdf",
-	     {$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
-		  " --qdf inline-images.pdf a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-
-compare_pdfs("inline-images.pdf", "a.pdf");
-
-show_ntests();
-
-
-# ----------
-$td->notify("--- Specialized filtering Tests ---");
-$n_tests += 3;
-$n_compare_pdfs += 1;
-
-# The PDF file was submitted on bug #83 on github. All the PNG filters
-# are exercised. The test suite does not exercise PNG predictors with
-# LZW because I don't have a way to create such a file, but it's very
-# likely that it will work since the handling of the PNG filters is
-# separate from the regular decompression.
-$td->runtest("decode png-filtering",
-	     {$td->COMMAND => "qpdf --static-id" .
-                  " --compress-streams=n --decode-level=generalized" .
-		  " png-filters.pdf a.pdf"},
-	     {$td->STRING => "", $td->EXIT_STATUS => 0});
-$td->runtest("check output",
-	     {$td->FILE => "a.pdf"},
-	     {$td->FILE => "png-filters-decoded.pdf"});
-compare_pdfs("png-filters.pdf", "a.pdf");
-
-$td->runtest("stream with tiff predictor",
-             {$td->COMMAND => "qpdf --check tiff-predictor.pdf"},
-             {$td->FILE => "tiff-predictor.out",
-              $td->EXIT_STATUS => 0},
-             $td->NORMALIZE_NEWLINES);
-
-show_ntests();
-# ----------
-$td->notify("--- fix-qdf Tests ---");
-$n_tests += 5;
-
-for (my $n = 1; $n <= 2; ++$n)
-{
-    $td->runtest("fix-qdf $n",
-		 {$td->COMMAND => "fix-qdf fix$n.qdf"},
-		 {$td->FILE => "fix$n.qdf.out",
-		  $td->EXIT_STATUS => 0});
-
-    $td->runtest("identity fix-qdf $n",
-		 {$td->COMMAND => "fix-qdf fix$n.qdf.out"},
-		 {$td->FILE => "fix$n.qdf.out",
-		  $td->EXIT_STATUS => 0});
-}
-$td->runtest("fix-qdf with big object stream", # > 255 objects in a stream
-             {$td->COMMAND => "fix-qdf big-ostream.pdf"},
-             {$td->FILE => "big-ostream.pdf",
-              $td->EXIT_STATUS => 0});
-
-show_ntests();
-# ----------
-$td->notify("--- Large File Tests ---");
-my $nlarge = 1;
-if (defined $large_file_test_path)
-{
-    $nlarge = 2;
-}
-else
-{
-    $td->notify("--- Skipping tests on actual large files ---");
-}
-$n_tests += $nlarge * 13;
-for (my $large = 0; $large < $nlarge; ++$large)
-{
-    if ($large)
-    {
-        $td->notify("--- Running tests on actual large files ---");
-    }
-    else
-    {
-        $td->notify("--- Running large file tests on small files ---");
-    }
-    my $size = ($large ? "large" : "small");
-    my $file = $large ? "$large_file_test_path/a.pdf" : "a.pdf";
-    $td->runtest("write test file",
-                 {$td->COMMAND => "test_large_file write $size '$file'"},
-                 {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("read test file",
-                 {$td->COMMAND => "test_large_file read $size '$file'"},
-                 {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    $td->runtest("check",
-                 {$td->COMMAND => "qpdf --suppress-recovery --check '$file'",
-                  $td->FILTER => "grep -v checking"},
-                 {$td->FILE => "large_file-check-normal.out",
-                  $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-
-    for my $ostream (0, 1)
-    {
-        for my $linearize (0, 1)
-        {
-            if (($ostream == 0) && ($linearize == 0))
-            {
-                # Original file has no object streams and is not linearized.
-                next;
-            }
-            my $args = "";
-            my $omode = $ostream ? "generate" : "disable";
-            my $lin = $linearize ? "--linearize" : "";
-            my $newfile = "$file-new";
-
-            $td->runtest("transform: ostream=$ostream, linearize=$linearize",
-                         {$td->COMMAND =>
-                              "qpdf --stream-data=preserve" .
-                              " --object-streams=$omode" .
-                              " $lin '$file' '$newfile'"},
-                         {$td->STRING => "", $td->EXIT_STATUS => 0});
-            $td->runtest("read test file",
-                         {$td->COMMAND =>
-                              "test_large_file read $size '$newfile'"},
-                         {$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
-                         $td->NORMALIZE_NEWLINES);
-            my $check_out =
-                ($linearize
-                 ? ($ostream
-                    ? "large_file-check-ostream-linearized.out"
-                    : "large_file-check-linearized.out")
-                 : ($ostream
-                    ? "large_file-check-ostream.out"
-                    : "large_file-check-normal.out"));
-            $td->runtest("check: ostream=$ostream, linearize=$linearize",
-                         {$td->COMMAND =>
-                              "qpdf --suppress-recovery --check '$newfile'",
-                          $td->FILTER => "grep -v checking"},
-                         {$td->FILE => $check_out, $td->EXIT_STATUS => 0},
-                         $td->NORMALIZE_NEWLINES);
-            unlink $newfile;
-        }
-    }
-
-    # Clobber xref
-    open(F, "+<$file") or die;
-    seek(F, -50, 2);
-    my $pos = tell F;
-    my $buf;
-    read(F, $buf, 50);
-    die unless $buf =~ m/^(.*startxref\n)\d+/s;
-    $pos += length($1);
-    seek(F, $pos, 0) or die;
-    print F "oops" or die;
-    close(F);
-
-    my $cmd = +{$td->COMMAND => "test_large_file read $size '$file'"};
-    if ($large)
-    {
-        $cmd->{$td->FILTER} = "sed -e 's,$large_file_test_path/,,'";
-    }
-    $td->runtest("reconstruct xref table",
-                 $cmd,
-                 {$td->FILE => "large_file_xref_reconstruct.out",
-                  $td->EXIT_STATUS => 0},
-                 $td->NORMALIZE_NEWLINES);
-    unlink $file;
-}
-# ----------
-
-cleanup();
-
-# See comments at beginning about calculation of number of tests.  We
-# do it strictly based on static values, not as a by-product of
-# running the test suite.
-$td->report(calc_ntests());
-
-sub calc_ntests
-{
-    my $result = $n_tests;
-    if ($compare_images)
-    {
-	$result += 3 * ($n_compare_pdfs);
-    }
-    $result;
-}
-
-sub show_ntests
-{
-    if (0)
-    {
-	$td->emphasize("tests so far: ". calc_ntests());
-    }
-    # Calling cleanup here helps to ensure that sections of the test
-    # suite are isolated.
-    cleanup();
-}
-
-sub bash_completion
-{
-    my ($line, $point) = @_;
-    if (! defined $point)
-    {
-        $point = length($line);
-    }
-    my $before_point = substr($line, 0, $point);
-    $before_point =~ m/^(.*)( =)(^= *)$/ or die;
-    my ($first, $sep, $cur) = ($1, $2, $3);
-    my $prev = ($sep eq '=' ? $sep : $first);
-    $prev =~ s/.* (\S+)$/$1/;
-    my $this = $first;
-    $this =~ s/(\S+)\s.*/$1/;
-    'env', "COMP_LINE=$line", "COMP_POINT=$point",
-     "qpdf", $this, $cur, $prev;
-}
-
-sub zsh_completion
-{
-    my ($line, $point) = @_;
-    if (! defined $point)
-    {
-        $point = length($line);
-    }
-    'env', "COMP_LINE=$line", "COMP_POINT=$point", "qpdf";
-}
-
-sub check_pdf
-{
-    my ($description, $command, $output, $status) = @_;
-    unlink "a.pdf";
-    $td->runtest($description,
-		 {$td->COMMAND => "$command a.pdf"},
-		 {$td->STRING => "",
-		  $td->EXIT_STATUS => $status});
-    $td->runtest("check output",
-		 {$td->FILE => "a.pdf"},
-		 {$td->FILE => $output});
-}
-
-sub flush_tiff_cache
-{
-    system("rm -rf tiff-cache");
-}
-
-sub compare_pdfs
-{
-    return unless $compare_images;
-
-    my ($f1, $f2, $exp) = @_;
-
-    $exp = 0 unless defined $exp;
-
-    system("rm -rf tif1 tif2");
-
-    mkdir "tiff-cache", 0777 unless -d "tiff-cache";
-
-    my $md5_1 = get_md5_checksum($f1);
-    my $md5_2 = get_md5_checksum($f2);
-
-    mkdir "tif1", 0777 or die;
-    mkdir "tif2", 0777 or die;
-
-    if (-f "tiff-cache/$md5_1.tif")
-    {
-	$td->runtest("get cached original file image",
-		     {$td->COMMAND => "cp tiff-cache/$md5_1.tif tif1/a.tif"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-    }
-    else
-    {
-        # We discard gs's stderr since it has sometimes been known to
-        # complain about files that are not bad.  In particular, gs
-        # 9.04 can't handle empty xref sections such as those found in
-        # the hybrid xref cases.  We don't really care whether gs
-        # complains or not as long as it creates correct images.  If
-        # it doesn't create correct images, the test will fail, and we
-        # can run manually to see the error message.  If it does, then
-        # we don't care about the warning.
-	$td->runtest("convert original file to image",
-		     {$td->COMMAND =>
-			  "(cd tif1;" .
-			  " gs 2>$devNull -q -dNOPAUSE -sDEVICE=tiff24nc" .
-			  " -sOutputFile=a.tif - < ../$f1)"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-	copy("tif1/a.tif", "tiff-cache/$md5_1.tif");
-    }
-
-    if (-f "tiff-cache/$md5_2.tif")
-    {
-	$td->runtest("get cached new file image",
-		     {$td->COMMAND => "cp tiff-cache/$md5_2.tif tif2/a.tif"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-    }
-    else
-    {
-	$td->runtest("convert new file to image",
-		     {$td->COMMAND =>
-			  "(cd tif2;" .
-			  " gs 2>$devNull -q -dNOPAUSE -sDEVICE=tiff24nc" .
-			  " -sOutputFile=a.tif - < ../$f2)"},
-		     {$td->STRING => "",
-		      $td->EXIT_STATUS => 0});
-	copy("tif2/a.tif", "tiff-cache/$md5_2.tif");
-    }
-
-    $td->runtest("compare images",
-		 {$td->COMMAND => "tiffcmp -t tif1/a.tif tif2/a.tif"},
-		 {$td->REGEXP => ".*",
-		  $td->EXIT_STATUS => $exp});
-
-    system("rm -rf tif1 tif2");
-}
-
-sub check_metadata
-{
-    my ($file, $exp_encrypted, $exp_cleartext) = @_;
-    my $out = "encrypted=$exp_encrypted; cleartext=$exp_cleartext\n" .
-	"test 6 done\n";
-    $td->runtest("check metadata: $file",
-		 {$td->COMMAND => "test_driver 6 $file"},
-		 {$td->STRING => $out, $td->EXIT_STATUS => 0},
-		 $td->NORMALIZE_NEWLINES);
-}
-
-sub get_md5_checksum
-{
-    my $file = shift;
-    open(F, "<$file") or fatal("can't open $file: $!");
-    binmode F;
-    my $digest = Digest::MD5->new->addfile(*F)->hexdigest;
-    close(F);
-    $digest;
-}
-
-sub cleanup
-{
-    system("rm -rf *.ps *.pnm ?.pdf ?.qdf *.enc* tif1 tif2 tiff-cache");
-    system("rm -rf *split-out* ???-kfo.pdf *.tmpout \@file.pdf auto-*.pdf");
-}

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/coalesce-split-1-2.pdf Deleted

@@ -1,231 +0,0 @@
-%PDF-1.3
-%¿÷¢þ
-%QDF-1.0
-
-%% Original object ID: 1 0
-1 0 obj
-<<
-  /Pages 2 0 R
-  /Type /Catalog
->>
-endobj
-
-%% Original object ID: 2 0
-2 0 obj
-<<
-  /Count 2
-  /Kids 
-    3 0 R
-    4 0 R
-  
-  /Type /Pages
->>
-endobj
-
-%% Page 1
-%% Original object ID: 3 0
-3 0 obj
-<<
-  /Contents 
-    5 0 R
-    7 0 R
-    9 0 R
-    11 0 R
-  
-  /MediaBox 
-    0
-    0
-    612
-    792
-  
-  /Parent 2 0 R
-  /Resources <<
-    /Font <<
-      /F1 13 0 R
-    >>
-    /ProcSet 14 0 R
-  >>
-  /Type /Page
->>
-endobj
-
-%% Page 2
-%% Original object ID: 14 0
-4 0 obj
-<<
-  /Contents 15 0 R
-  /MediaBox 
-    0
-    0
-    612
-    792
-  
-  /Parent 2 0 R
-  /Resources <<
-    /Font <<
-      /F1 17 0 R
-    >>
-    /ProcSet 18 0 R
-  >>
-  /Type /Page
->>
-endobj
-
-%% Contents for page 1
-%% Original object ID: 4 0
-5 0 obj
-<<
-  /Length 6 0 R
->>
-stream
-BT
-  /F1 24 Tf
-  72 720 Td
-  (Pot
-endstream
-endobj
-
-%QDF: ignore_newline
-6 0 obj
-33
-endobj
-
-%% Contents for page 1
-%% Original object ID: 6 0
-7 0 obj
-<<
-  /Length 8 0 R
->>
-stream
-ato) Tj
-ET  /array
-endstream
-endobj
-
-%QDF: ignore_newline
-8 0 obj
-19
-endobj
-
-%% Contents for page 1
-%% Original object ID: 8 0
-9 0 obj
-<<
-  /Length 10 0 R
->>
-stream
-/split  BI
-/CS /G/W 66/H 47/BPC 8/F/Fl/DP<</Predictor 15/Columns 66>>
-ID xÅÖI&#xe;Ã &#xc;&#x5;P|ÿC;UÈ`ÀÓ7Z©&#xb;¦&#x17;&#x2;ÄÚæ&#x1b;}Dðï_´ø&#x1c;ÉW©Ä->ÿÀ>^&#x1;&®¡uâ"!&#x8;&#x5;*¬&E|Sy® ðd-<&#x19;B&#x1;0B&#x5;ú@N&#x11;ê+<&#x1f;hlèKÐî/56L ã&#x19;&#x1e; £¹¦>0&#x6;>&#x15;Yù!cì\&#xe;Y&#xc;Ø&#xf;%Yð&#x1;¥Ö8?& Öë}jûè&#x1d;;«3ÂÖl&#x14;pÛsHöûtú&#x1;
-endstream
-endobj
-
-%QDF: ignore_newline
-10 0 obj
-253
-endobj
-
-%% Contents for page 1
-%% Original object ID: 10 0
-11 0 obj
-<<
-  /Length 12 0 R
->>
-stream
-Q&#x2;ØTt*hÌUúãw&#x7;ÍÕÐ%¨)p³"DiRj¹D&#x18;YNU&#x11;ÓÙAvFà&
-ÍÔu#cÆW	ôß&#x3;WO
-EI
-endstream
-endobj
-
-%QDF: ignore_newline
-12 0 obj
-65
-endobj
-
-%% Original object ID: 12 0
-13 0 obj
-<<
-  /BaseFont /Helvetica
-  /Encoding /WinAnsiEncoding
-  /Name /F1
-  /Subtype /Type1
-  /Type /Font
->>
-endobj
-
-%% Original object ID: 13 0
-14 0 obj
-
-  /PDF
-  /Text
-
-endobj
-
-%% Contents for page 2
-%% Original object ID: 15 0
-15 0 obj
-<<
-  /Length 16 0 R
->>
-stream
-BT
-  /F1 24 Tf
-  72 720 Td
-  (Potato) Tj
-ET
-endstream
-endobj
-
-16 0 obj
-44
-endobj
-
-%% Original object ID: 17 0
-17 0 obj
-<<
-  /BaseFont /Helvetica
-  /Encoding /WinAnsiEncoding
-  /Name /F1
-  /Subtype /Type1
-  /Type /Font
->>
-endobj
-
-%% Original object ID: 18 0
-18 0 obj
-
-  /PDF
-  /Text
-
-endobj
-
-xref
-0 19
-0000000000 65535 f 
-0000000052 00000 n 
-0000000133 00000 n 
-0000000252 00000 n 
-0000000525 00000 n 
-0000000770 00000 n 
-0000000880 00000 n 
-0000000949 00000 n 
-0000001045 00000 n 
-0000001114 00000 n 
-0000001445 00000 n 
-0000001517 00000 n 
-0000001661 00000 n 
-0000001709 00000 n 
-0000001856 00000 n 
-0000001943 00000 n 
-0000002044 00000 n 
-0000002092 00000 n 
-0000002239 00000 n 
-trailer <<
-  /Root 1 0 R
-  /Size 19
-  /ID <31415926535897932384626433832795><31415926535897932384626433832795>
->>
-startxref
-2275
-%%EOF

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/coalesce-split.out Deleted

@@ -1,10 +0,0 @@
-WARNING: coalesce.pdf, object 3 0 at offset 181: Bad token found while scanning content stream; not attempting to remove unreferenced objects from this page
-WARNING: empty PDF: content normalization encountered bad tokens
-WARNING: empty PDF: normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
-WARNING: empty PDF: Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
-WARNING: empty PDF: content normalization encountered bad tokens
-WARNING: empty PDF: Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
-WARNING: empty PDF: content normalization encountered bad tokens
-WARNING: empty PDF: normalized content ended with a bad token; you may be able to resolve this by coalescing content streams in combination with normalizing content. From the command line, specify --coalesce-contents
-WARNING: empty PDF: Resulting stream data may be corrupted but is may still useful for manual inspection. For more information on this warning, search for content normalization in the manual.
-qpdf: operation succeeded with warnings; resulting file may have some problems

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/direct-pages-json.out Deleted

@@ -1,104 +0,0 @@
-{
-  "acroform": {
-    "fields": ,
-    "hasacroform": false,
-    "needappearances": false
-  },
-  "objects": {
-    "1 0 R": {
-      "/Pages": "2 0 R",
-      "/Type": "/Catalog"
-    },
-    "2 0 R": {
-      "/Count": 2,
-      "/Kids": 
-        {
-          "/Contents": "3 0 R",
-          "/MediaBox": 
-            0,
-            0,
-            612,
-            792
-          ,
-          "/Parent": "2 0 R",
-          "/Resources": {
-            "/Font": {
-              "/F1": "5 0 R"
-            },
-            "/ProcSet": "6 0 R"
-          },
-          "/Type": "/Page"
-        },
-        {
-          "/Contents": "3 0 R",
-          "/MediaBox": 
-            0,
-            0,
-            612,
-            792
-          ,
-          "/Parent": "2 0 R",
-          "/Resources": {
-            "/Font": {
-              "/F1": "5 0 R"
-            },
-            "/ProcSet": "6 0 R"
-          },
-          "/Type": "/Page"
-        }
-      ,
-      "/Type": "/Pages"
-    },
-    "3 0 R": {
-      "/Length": "4 0 R"
-    },
-    "4 0 R": 44,
-    "5 0 R": {
-      "/BaseFont": "/Helvetica",
-      "/Encoding": "/WinAnsiEncoding",
-      "/Name": "/F1",
-      "/Subtype": "/Type1",
-      "/Type": "/Font"
-    },
-    "6 0 R": 
-      "/PDF",
-      "/Text"
-    ,
-    "trailer": {
-      "/ID": 
-        "\u0013#¥ﬁ|WzfsU…©6ŸÎ<",
-        "7,¿DöÛ‹«`Ù&<\u000f\u000bÒj"
-      ,
-      "/Root": "1 0 R",
-      "/Size": 7
-    }
-  },
-  "outlines": ,
-  "pagelabels": ,
-  "pages": 
-    {
-      "contents": 
-        "3 0 R"
-      ,
-      "images": ,
-      "label": null,
-      "object": "7 0 R",
-      "outlines": ,
-      "pageposfrom1": 1
-    },
-    {
-      "contents": 
-        "3 0 R"
-      ,
-      "images": ,
-      "label": null,
-      "object": "8 0 R",
-      "outlines": ,
-      "pageposfrom1": 2
-    }
-  ,
-  "parameters": {
-    "decodelevel": "generalized"
-  },
-  "version": 1
-}

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/filter-completion.pl Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/json-field-types-acroform.out Deleted

@@ -1,392 +0,0 @@
-{
-  "acroform": {
-    "fields": 
-      {
-        "alternativename": "text",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "4 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "",
-        "fieldflags": 0,
-        "fieldtype": "/Tx",
-        "fullname": "text",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": true,
-        "mappingname": "text",
-        "object": "4 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "text",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "r1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/1",
-          "object": "21 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/1",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r1",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r1",
-        "object": "21 0 R",
-        "pageposfrom1": 1,
-        "parent": "5 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/1"
-      },
-      {
-        "alternativename": "r1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "22 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/1",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r1",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r1",
-        "object": "22 0 R",
-        "pageposfrom1": 1,
-        "parent": "5 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/1"
-      },
-      {
-        "alternativename": "r1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "23 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/1",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r1",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r1",
-        "object": "23 0 R",
-        "pageposfrom1": 1,
-        "parent": "5 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/1"
-      },
-      {
-        "alternativename": "checkbox1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "6 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/Off",
-        "fieldflags": 0,
-        "fieldtype": "/Btn",
-        "fullname": "checkbox1",
-        "ischeckbox": true,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "checkbox1",
-        "object": "6 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "checkbox1",
-        "quadding": 0,
-        "value": "/Off"
-      },
-      {
-        "alternativename": "checkbox2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Yes",
-          "object": "7 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/Yes",
-        "fieldflags": 0,
-        "fieldtype": "/Btn",
-        "fullname": "checkbox2",
-        "ischeckbox": true,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "checkbox2",
-        "object": "7 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "checkbox2",
-        "quadding": 0,
-        "value": "/Yes"
-      },
-      {
-        "alternativename": "checkbox3",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "8 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/Off",
-        "fieldflags": 0,
-        "fieldtype": "/Btn",
-        "fullname": "checkbox3",
-        "ischeckbox": true,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "checkbox3",
-        "object": "8 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "checkbox3",
-        "quadding": 0,
-        "value": "/Off"
-      },
-      {
-        "alternativename": "r2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "37 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/2",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r2",
-        "object": "37 0 R",
-        "pageposfrom1": 1,
-        "parent": "9 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/2"
-      },
-      {
-        "alternativename": "r2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/2",
-          "object": "38 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/2",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r2",
-        "object": "38 0 R",
-        "pageposfrom1": 1,
-        "parent": "9 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/2"
-      },
-      {
-        "alternativename": "r2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "39 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/2",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r2",
-        "object": "39 0 R",
-        "pageposfrom1": 1,
-        "parent": "9 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/2"
-      },
-      {
-        "alternativename": "text2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "10 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "salad πʬ",
-        "fieldflags": 0,
-        "fieldtype": "/Tx",
-        "fullname": "text2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": true,
-        "mappingname": "text2",
-        "object": "10 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "text2",
-        "quadding": 0,
-        "value": "salad πʬ"
-      },
-      {
-        "alternativename": "combolist1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "13 0 R"
-        },
-        "choices": 
-          "one",
-          "two",
-          "pi",
-          "four"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 393216,
-        "fieldtype": "/Ch",
-        "fullname": "combolist1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "combolist1",
-        "object": "13 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "combolist1",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "list1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "11 0 R"
-        },
-        "choices": 
-          "five",
-          "six",
-          "seven",
-          "eight"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 0,
-        "fieldtype": "/Ch",
-        "fullname": "list1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "list1",
-        "object": "11 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "list1",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "drop1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "12 0 R"
-        },
-        "choices": 
-          "nine",
-          "ten",
-          "elephant",
-          "twelve"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 131072,
-        "fieldtype": "/Ch",
-        "fullname": "drop1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "drop1",
-        "object": "12 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "drop1",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "combodrop1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "14 0 R"
-        },
-        "choices": 
-          "alpha",
-          "beta",
-          "gamma",
-          "delta"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 393216,
-        "fieldtype": "/Ch",
-        "fullname": "combodrop1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "combodrop1",
-        "object": "14 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "combodrop1",
-        "quadding": 0,
-        "value": ""
-      }
-    ,
-    "hasacroform": true,
-    "needappearances": true
-  },
-  "parameters": {
-    "decodelevel": "generalized"
-  },
-  "version": 1
-}

_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/json-field-types.out Deleted

@@ -1,2694 +0,0 @@
-{
-  "acroform": {
-    "fields": 
-      {
-        "alternativename": "text",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "4 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "",
-        "fieldflags": 0,
-        "fieldtype": "/Tx",
-        "fullname": "text",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": true,
-        "mappingname": "text",
-        "object": "4 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "text",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "r1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/1",
-          "object": "21 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/1",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r1",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r1",
-        "object": "21 0 R",
-        "pageposfrom1": 1,
-        "parent": "5 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/1"
-      },
-      {
-        "alternativename": "r1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "22 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/1",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r1",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r1",
-        "object": "22 0 R",
-        "pageposfrom1": 1,
-        "parent": "5 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/1"
-      },
-      {
-        "alternativename": "r1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "23 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/1",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r1",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r1",
-        "object": "23 0 R",
-        "pageposfrom1": 1,
-        "parent": "5 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/1"
-      },
-      {
-        "alternativename": "checkbox1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "6 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/Off",
-        "fieldflags": 0,
-        "fieldtype": "/Btn",
-        "fullname": "checkbox1",
-        "ischeckbox": true,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "checkbox1",
-        "object": "6 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "checkbox1",
-        "quadding": 0,
-        "value": "/Off"
-      },
-      {
-        "alternativename": "checkbox2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Yes",
-          "object": "7 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/Yes",
-        "fieldflags": 0,
-        "fieldtype": "/Btn",
-        "fullname": "checkbox2",
-        "ischeckbox": true,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "checkbox2",
-        "object": "7 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "checkbox2",
-        "quadding": 0,
-        "value": "/Yes"
-      },
-      {
-        "alternativename": "checkbox3",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "8 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/Off",
-        "fieldflags": 0,
-        "fieldtype": "/Btn",
-        "fullname": "checkbox3",
-        "ischeckbox": true,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "checkbox3",
-        "object": "8 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "checkbox3",
-        "quadding": 0,
-        "value": "/Off"
-      },
-      {
-        "alternativename": "r2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "37 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/2",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r2",
-        "object": "37 0 R",
-        "pageposfrom1": 1,
-        "parent": "9 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/2"
-      },
-      {
-        "alternativename": "r2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/2",
-          "object": "38 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/2",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r2",
-        "object": "38 0 R",
-        "pageposfrom1": 1,
-        "parent": "9 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/2"
-      },
-      {
-        "alternativename": "r2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "/Off",
-          "object": "39 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "/2",
-        "fieldflags": 49152,
-        "fieldtype": "/Btn",
-        "fullname": "r2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": true,
-        "istext": false,
-        "mappingname": "r2",
-        "object": "39 0 R",
-        "pageposfrom1": 1,
-        "parent": "9 0 R",
-        "partialname": "",
-        "quadding": 0,
-        "value": "/2"
-      },
-      {
-        "alternativename": "text2",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "10 0 R"
-        },
-        "choices": ,
-        "defaultvalue": "salad πʬ",
-        "fieldflags": 0,
-        "fieldtype": "/Tx",
-        "fullname": "text2",
-        "ischeckbox": false,
-        "ischoice": false,
-        "isradiobutton": false,
-        "istext": true,
-        "mappingname": "text2",
-        "object": "10 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "text2",
-        "quadding": 0,
-        "value": "salad πʬ"
-      },
-      {
-        "alternativename": "combolist1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "13 0 R"
-        },
-        "choices": 
-          "one",
-          "two",
-          "pi",
-          "four"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 393216,
-        "fieldtype": "/Ch",
-        "fullname": "combolist1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "combolist1",
-        "object": "13 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "combolist1",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "list1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "11 0 R"
-        },
-        "choices": 
-          "five",
-          "six",
-          "seven",
-          "eight"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 0,
-        "fieldtype": "/Ch",
-        "fullname": "list1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "list1",
-        "object": "11 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "list1",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "drop1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "12 0 R"
-        },
-        "choices": 
-          "nine",
-          "ten",
-          "elephant",
-          "twelve"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 131072,
-        "fieldtype": "/Ch",
-        "fullname": "drop1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "drop1",
-        "object": "12 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "drop1",
-        "quadding": 0,
-        "value": ""
-      },
-      {
-        "alternativename": "combodrop1",
-        "annotation": {
-          "annotationflags": 4,
-          "appearancestate": "",
-          "object": "14 0 R"
-        },
-        "choices": 
-          "alpha",
-          "beta",
-          "gamma",
-          "delta"
-        ,
-        "defaultvalue": "",
-        "fieldflags": 393216,
-        "fieldtype": "/Ch",
-        "fullname": "combodrop1",
-        "ischeckbox": false,
-        "ischoice": true,
-        "isradiobutton": false,
-        "istext": false,
-        "mappingname": "combodrop1",
-        "object": "14 0 R",
-        "pageposfrom1": 1,
-        "parent": null,
-        "partialname": "combodrop1",
-        "quadding": 0,
-        "value": ""
-      }
-    ,
-    "hasacroform": true,
-    "needappearances": true
-  },
-  "objects": {
-    "1 0 R": {
-      "/AcroForm": {
-        "/DR": "3 0 R",
-        "/Fields": 
-          "4 0 R",
-          "5 0 R",
-          "6 0 R",
-          "7 0 R",
-          "8 0 R",
-          "9 0 R",
-          "10 0 R",
-          "11 0 R",
-          "12 0 R",
-          "13 0 R",
-          "14 0 R"
-        ,
-        "/NeedAppearances": true
-      },
-      "/Lang": "en-US",
-      "/MarkInfo": {
-        "/Marked": true
-      },
-      "/OpenAction": 
-        "15 0 R",
-        "/XYZ",
-        null,
-        null,
-        0
-      ,
-      "/Pages": "16 0 R",
-      "/StructTreeRoot": "17 0 R",
-      "/Type": "/Catalog"
-    },
-    "10 0 R": {
-      "/AP": {
-        "/N": "40 0 R"
-      },
-      "/DA": "0.18039 0.20392 0.21176 rg /F2 12 Tf",
-      "/DR": {
-        "/Font": "18 0 R"
-      },
-      "/DV": "salad πʬ",
-      "/F": 4,
-      "/FT": "/Tx",
-      "/P": "15 0 R",
-      "/Rect": 
-        113.649,
-        260.151,
-        351.101,
-        278.099
-      ,
-      "/Subtype": "/Widget",
-      "/T": "text2",
-      "/Type": "/Annot",
-      "/V": "salad πʬ"
-    },
-    "100 0 R": {
-      "/A": "167 0 R",
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
-    },
-    "101 0 R": {
-      "/A": "168 0 R",
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
-    },
-    "102 0 R": {
-      "/A": "169 0 R",
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
-    },
-    "103 0 R": {
-      "/A": "170 0 R",
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
-    },
-    "104 0 R": {
-      "/A": "171 0 R",
-      "/K": 
-        4
-      ,
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
-    },
-    "105 0 R": {
-      "/A": "172 0 R",
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
-    },
-    "106 0 R": {
-      "/A": "173 0 R",
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
-    },
-    "107 0 R": {
-      "/A": "174 0 R",
-      "/P": "52 0 R",
-      "/Pg": "15 0 R",
-      "/S": "/Standard",
-      "/Type": "/StructElem"
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/json-need-appearances-acroform.out Deleted

@@ -1,392 +0,0 @@
-{
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_service:tar_scm:qpdf-8.4.2.tar.gz/qpdf/qtest/qpdf/json-outlines-with-actions.out Deleted

@@ -1,1464 +0,0 @@
-{
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_service:tar_scm:qpdf-8.4.2.tar.gz/zlib-flate/Makefile Deleted

_service:tar_scm:qpdf-8.4.2.tar.gz/zlib-flate/build.mk Deleted